Stand swivel turntable craniomandibular installation

 

The invention relates to hoisting and transport machinery, namely to the posts bearing slewing devices craniomandibular plants of high capacity, placed mainly on the chassis of the vehicle. Hour is a curved double-seat cantilever beam containing a box-shaped housing made of sheet steel profile with a variable on building height and decreasing in the upper direction of the cross-section of U-shaped configuration, and a hollow support welded to the said casing. Hollow bearing is connected smooth tapered sides, neck and spine. On the outer surface of the cervix and the supporting surface of the spike is formed an annular flange providing axial securing of the bearing in the bearing. There is also a limit connector on the neck of the hollow support, which made the box with the console forward with an inclination to the longitudinal axis of the lateral ears with coaxial holes in them under the axle mounting body lift cylinder boom. Box connector formed of two adjacent sections. The u-shaped profile of the case is made of two mirrored with respect to each other glutahione edge of the wedge-shaped protrusions of the side walls of the U-shaped profile of the casing and adjacent the ears of the connector neck bearings combined with each other, the case is equipped located flush with said front edges and smoothly paired with trapezoidal wall, a trailing l-shaped fragments, welded curved visor with centrally located and an open bottom through the hole in his body, profiled with a gap on the outer contour of the housing of the hydraulic cylinder of lifting. In the cheeks of the head housing near the bearing sleeve under the axle attachment connected thereto arrows additionally welded sleeve of greater length than the first, under the hinge axis of articulation of the levers articulated lever mechanism kinematic connection of the rack, boom and rod lift cylinder last. The invention provides a simplified design and manufacturing technology of the rack. 9 C.p. f-crystals, 32 ill.

The invention relates to the field of lifting and transport equipment, namely, racks swing bearing slewing devices craniomandibular installations placed mainly on the chassis of the vehicle.

From publicly available information sources known a number of analogues of the invention (see, for example, a review of the series "Machines, mechanisms, equipment and tools", vol.2 "Sredstv", Griff M. I., Satan R. A., M.: VNIITE, 1991, UDC 621.863, S. 7, Fig. 3; "Guide for operators (drivers) for the safe operation of cranes", the author of N. A. Shishkov, M.: NGOs MBT, 1995, LBC 32.816 N, P, UDC[621/856/8-5: 658.382.3]: 658.386.06, S. 32, Fig.6; ed. mon. SU 660927 66 With 23/86, 05.05.79,; U.S. Pat. EN 2085471, 66 23/84, 27.07.97,; EN 2111162, 66 23/58, 20.05.98, and others).

In most of the above analogues hours (columns) support-rotating device is made of two parts: a box-shaped casing and rigidly bonded with him a thick-walled cylindrical supports with termoobrabotannom toothed or splined crown, kinematically interacting with the respective drive link mechanism for rotating them. The housing is usually made by welding of steel sheet bent profiles, and support from hardened, to a sufficiently high degree of hardness, medium-carbon alloy steels with relatively poor weldability.

The need for heat treatment supports mainly due to a fairly high load placed on their teeth one of the links of the mechanical gear transmission swing mechanism of a rack and a great resource for their work.

The necessary strength is grove welded parts to a temperature of about 500oWith, with subsequent slow cooling after welding and other technological operations, for preventing the hot and cold cracking, which leads to considerable complication of the technology, and hence the cost of the rack.

In some cases, support racks perform a split of two coaxial hollow shafts made of different technological properties of steels. In addition, the material of one of the shafts has, as a rule, a fairly high degree of weldability, and the other, which form the teeth, well Calida. Connect these shafts in one most often using a special templet fasteners, and the final machining of the mounting surfaces of the composite poles usually performed after Assembly (see U.S. Pat. EN 2085471, 66 23/84, 27.07.97 year).

However, this greatly complicates the design and manufacturing technology of the rack as a whole and affects its optimal weight. In case of breakage or wear of the teeth, placed on racks known constructions, repair last possible only in specialized shops or on the factory specially developed for this technology is sunken in resealable inner cavity of the housing of the bearing unit of the base of the turntable, access to it, for example, for inspection, is practically eliminated. If necessary, this requires complete disassembly of a turntable with the dismantling of the stand.

Particularly acute mentioned above, problems have to craniomandibular plants of high capacity, the design of which is subject to strict requirements on weight perfection, driven by the necessity of their mounting on the chassis of the vehicle.

One of the known analogues of the proposed technical solutions closest (prototype) can serve as a rotary hour in U.S. Pat. EN 2111162, 66 23/58, 20.05.98,

The specified hour is well proven in operation in the composition craniomandibular plants of small capacity. However, for craniomandibular plants of high capacity and high weight perfection requires a substantial optimization (refining its design and power schemes, because she also shares many of the disadvantages.

The present invention is to simplify the design and manufacturing techniques, as well as increasing the carrying capacity, improving the weight of perfection and other techno-ekspluatatsionnomu essential features of the claimed hours.

The essential features characterizing the claimed rack turntable craniomandibular installation include: - implementation of it in the form of two curved cantilever beams; - formation it out of the box-shaped body and rigidly attached to it by welding cast steel hollow support; - implementation of housing of sheet steel profile with a variable on building height and decreasing in the upper direction of the cross-section of U-shaped configuration, closed in a box welded with an open hand flat wall of trapezoidal cross-section, and supply it with rounded contours and closed weld cap head with reinforced using welded inside the flat lining of the cheeks and mounted in a cylindrical bearing sleeve under the axle mounting pivotally connected thereto lifting boom; - formation of the appropriate anchor-mounting hollow support in the form of interconnected thin-walled pipe and cervical spine cylindrical shape, providing radial and axial fixing rotatably in bearings in the base of the turntable; supplying the hollow orlandoi docking surface; - the presence of a protective casing, providing screening gear mechanism rotate the rack with the above bearings; - discharging pipe connecting collar and tongue, smooth and conical shells; - formation on the outer surface of the cervix and the supporting surface of a thorn annular shoulder providing axial securing of the bearing in the bearing; - implementation of the connector box with the console forward with an inclination to the longitudinal axis of the lateral ears with coaxial holes in them under the axle mounting body lift cylinder boom;
- the formation of the box connectors of two adjacent sections, one of which is made of a closed square profile and forms a continuation of the neck, and the other is made of rectangular configuration, is a console towards her, open front and provided with a closed loop at its side walls, ears and addressed to them a wall of the first section of the bottom crosspiece made in her body at an equal distance from the side walls of the through recess with a rounded back, profiled on the outer perimeter of the body of the lift cylinder boom;
- a step-shaped profile of the rack enclosure of two mirrored against the side walls, the front edge of which is formed of curvilinear inclined at different angles to their backs and smoothly conjugate to each other by radii straight portions with the formation at the bottom of the forward wedge-shaped protrusions with the angle of inclination of these edges is identical to the angle of the respective edges of the ears of the connector neck support;
- execution of the side walls bent portion of the U-shaped profile forming rounded edges flat shanks forming the cheeks of the head casing, and the said fragments are welded between the vertical connecting seam adjacent to each other the edges of their backs;
- execution of the closing body in a box flat welded keystone wall with the possibility of placing her in the welding flush with the front edges located in a medium-height part of the lateral walls of the straight portions of the specified profile housing and the provision of abutment of the upper end of the covering flat shanks at their outer contour of the cap;
- combination with each other, the front edges of the wedge-shaped protrusions of the side walls of the U-shaped profile of the casing and adjacent the ears of the connector neck support;
- supply cool welded curved visor with centrally located and an open bottom through the hole in his body, profiled with a gap on the outer perimeter of the body of the lift cylinder boom supported from the inside of the corresponding weld overlay;
- set the cheeks of the head housing near the bearing sleeve under the axle attachment connected thereto arrows additionally welded sleeve of greater length than the first, under the hinge axis of articulation of the levers articulated lever mechanism kinematic connection of the rack, boom and rod lift cylinder;
- execution of leaf fragments housing and support low-carbon alloy steels, respectively katana type 10HSND and foundry type DL;
- reinforcement of the neck support outside flat flange rectangular configuration with asymmetrically placed over the outer contour of its annular flange axial fixing rack side shelf, and inside, in the average building height of the part - annular rib and two diametrically arranged in the plane of maximum load moment tides, increasing the wall thickness in these areas;
- reinforcement of the shank of a stud inside the annular rib and the execution on the outer surface of its connecting threads under the nut on the lower plain the plates with shaped cut in the bottom part, providing the length of the weld at the place of their welding;
- performance welded into the head shell bearing shells thinned in the average length parts and supplies radially screwed into them with grease nipples for lubrication of plain bearings, opposite which in the cap head is formed corresponding holes to access the lubricating tool;
- welding over asymmetrically located side shelf flat flange of the neck support on the corresponding wall of one of the l-shaped fragments corps support mounting prismatic laths, with subsequent console her welding and side shelf flange spatial developed box-shaped bracket under the planetary gear with the drive pinion gear mechanism rotate stand for kinematic interaction with rigidly fixed on the basis of a turntable drive gear of the transfer, made of two curved on the radius and tightly closed to each other profiled on their external contour of the curved welded horizontal wall plates with coaxially arranged Central mounting holes for securing REDUCTIE, opposite to in which the curved wall formed of technological hatches for access and installation tool to nuts of these bolts;
- run in the side wall of one of the thin l-shaped bent portion of the U-shaped profile of the body oriented along a wall of the oblong hatch with rounded radius top and bottom edges to provide access to the inner cavity of the rack and the passage of the communication lines connecting the disposable in it and beyond the corresponding electro-hydraulic equipment craniomandibular installation, supported from the inside perimeter weld overlay;
- implementation of protective casing, providing screening gear mechanism rotate the rack bearing base of a turntable, a composite of several welded together when rack-mounting the shaped sheet welded or bent fragments of the appropriate configuration of the profiled with a gap on the outer perimeter of the transfer, and firmly attached to the outer surface of the support in the area of location of the end connector and the lower part of the bracket under the planetary gear posredovani pinion gear side welded edge of the standard, for example, all of the rental;
- supply rigidly fixed, for example by welding, in the wall of the lower part of the connecting neck and dowel bearing conical shell, a planet carrier with a console made in its inner cavity of the tip of a pin-type kinematic coupling with a leash installed it when assembling the turntable multichannel rotary communication connector providing fluid input and transmission of electric signals from the rotary part, which is the basis of the specified device on the rotary part, which is the hour.

Matching in the prototype and the claimed invention are the first six of the essential features described in this list, and others distinctive.

Almost all of these distinctive features are essential, because each of them corresponding effect on the achieved implementation of the claimed invention, the technical result, i.e., is it a causal relationship.

The nature of the specified effect, in relation to each of the distinguishing characteristics are described in detail below on tetrazene:
in Fig. 1 - General view of the inventive rack turntable craniomandibular installation of high capacity;
in Fig.2 - view And left on the counter;
in Fig.3 - type B top on the counter;
in Fig.4 is a cross section In the head of the rack enclosure;
in Fig.5 is a vertical section G-G head rack enclosure;
in Fig.6 is a view On the inside of the weld overlay, reinforcing curved visor rack enclosure;
in Fig.7 - remote element E with the image firmly fixed in the wall of the lower part of the conical shell supports drove a pin-type kinematic coupling with a leash installed in its internal cavity during Assembly of a turntable multichannel rotary communication connector;
in Fig.8 is a General view of a support of the claimed hours;
in Fig.9 is a vertical cross section W-W support in the area of location of a stud;
in Fig.10 is a view And a top support;
in Fig. 11 is a vertical section of the support in a plane parallel to the location of her ears;
in Fig.12 is a cross section L-L support in the area of her neck;
in Fig. 13 is a vertical cross-section M-M supports in a plane parallel to the location of her ears;
in Fig. 14 is a General view of the U-shaped profile is 15, - type N right on the U-shaped profile of the rack enclosure;
in Fig.16 is a cross section P-P P-shaped profile of the rack enclosure with welded to it with an open hand flat trapezoidal wall;
in Fig.17 is a General view of one of the bent portion of the l-shaped cross-sectional configuration forming a welded U-shaped profile of the rack enclosure;
in Fig. 18 type R left l-shaped fragment of the U-shaped profile of the body;
in Fig. 19 - the view From the bottom of the l-shaped fragment of the U-shaped profile of the body;
in Fig.20 is a General view of the welded curved visor body;
in Fig.21 - T left on the welded curved visor body;
in Fig. 22 is a General view of the developed spatial box bracket under the planetary gear with the drive pinion of the steering rack;
in Fig.23 - a view From on top of the box-shaped bracket;
in Fig.24 is a vertical cross-section f-f protective cover stand;
in Fig. 25 - the General view is prepared for welding protective cover stand (housing, bearing and box-shaped bracket rack conventionally not shown);
in Fig. 26 - General view of the site of articulation of the lifting boom craniomandibular installation with cylinder rack;
in Fig.27 - General view of the support-rotating at manipulating installation with cylinder rack (axonometric);
in Fig. 29 - settlement diagram of the inventive rack (PHz- loading force transmitted to the front side of the lift cylinder boom; QHz- the tangential force exerted by the toothed wheel base of a turntable, kinematically interacting with him gear steering rack);
in Fig. 30 - made in axonometric diagram of the inventive rack with indication acting on it loads;
in Fig. 31 - made in axonometric diagram of the inventive rack indicating the reactions from external forces;
in Fig. 32 - made in axonometric diagram of the inventive rack with the indication received in the process of performing strength calculations by the finite element method view of the stress-strain state of its design, implemented with the impact on the external rack power factors.

The inventive rotary hour 1 turntable 2 craniomandibular installation is a curved double-seat cantilever beam containing the cast steel hollow support 3, with corresponding support mounting elements in the form of interconnected thin-walled tube 4 neck 5 and the cleat 6 of cylindrical shape, obespechiva device, firmly attached to it by welding a box-shaped housing 10, made of thin sheet steel profile 11 with a variable on building height and decreasing in the upper direction of the cross-section of U-shaped configuration, closed in a box welded with an open hand flat wall 12 of trapezoidal cross-section, and is provided with rounded contours and closed weld cap 13 head 14 mounted in a cylindrical bearing sleeve 15 axis 16 of the mounting hinge attached thereto hoisting boom 17, and cheeks 18, 19 head reinforced welded from the inside of the flat plates 20, and the protective cover 21, providing screening gear mechanism 22 23 rotation of the rack and the bearing base of a turntable.

The neck 5 of the hollow support 3 to the diameter of the outer surface 24 is made larger than the bearing surface 25 of a stud 6, and the connecting pipe 4 is in the form of a smooth conical shells.

This solution allows you to make parts of the gear mechanism 22 23 rotate stand outside mounted in the bearings 7, 8 base 9 of a turntable of the lower support 3 and to make a leaf the vial. Steel of this type (10HSND and NL) have similar absolute values of the mechanical characteristics (the difference between the tensile strengthsintheir is about 17%, and limits yieldtabout 28%) and the same degree of weldability.

Data has become relatively cheap and offer good processing and mechanical properties (well welded, respectively, are stamped, pouring and satisfactorily processed by cutting).

This specific design supports 3 allows to approximate geometrical dimensions, carrying capacity and mass characteristics of the upper part of the rotary support base 9 of a turntable 2 to the corresponding parameters are well known in the technique of rotation of the circle (see , for example, OST 22-1401-79. "Pivot roller single row with the teeth of the internal toothing. Technical conditions". The Ministry of construction, road and municipal engineering. M. UDC 621.873.018.6), the characteristic feature of which is the high rigidity swivel bearing at the small size of its height, and to reduce the length of the lower fragment supports, constraints are the products of a turntable for craniomandibular plants of high capacity and high weight perfection can be implemented more progressive, compared with the aforementioned known analogues and prototype mechanism 23 to rotate the rack in the form of high torque open cylindrical gear transmission 22 driven by a motor 26 and an endless rotation. This greatly simplifies the design and manufacturing technology, and set the rack in the bearing unit of the base of a turntable and easier access to the parts of the gearing.

On the outer and the support surfaces 24, 25 of the neck 5 and the cleat 6 is formed an annular shoulder 27, 28, providing axial securing of the support rack in the bearings 7, 8.

Bearing 3 is located at the top and profiled along the lower edge of the housing 10 terminal box connector 29 with developed inclined connecting surface 30 and the console forward with an inclination to the longitudinal axis 31 of the lateral ears 32, 33 with aligned holes 34, 35 in them under the axis of the mounting body 36 of the hydraulic cylinder 37 of the lifting boom 17.

Box connector 29 of the support 3 is formed from two adjacent sections 38, 39. Section 38 of the box is made closed with a square profile and forms a continuation of the neck 5 of the support 3. Section 39 of the box has a rectangular configuration and is cantilevered relative is him the wall 42 of section 38 of the bottom crosspiece 43 made in her body at an equal distance from the side walls of the through groove 44 with rounded backrest 45, profiled on the outer perimeter of the housing 36 of the hydraulic cylinder 37 of the lifting boom 17.

This solution can significantly increase the length of the mating surfaces of support by welding it to the enclosure and to increase the stability of the compounds, as well as the rigidity of the rack in this area.

The u-shaped profile 11 of the housing 10 of the inventive rack is made of two mirrored with respect to each other bent fragments 46, 47 l-shaped cross-sectional configuration tapering upward backs 48 and side walls 49, 50.

L-shaped bent pieces of the rack enclosure is much easier to manufacture than the one used in the prototype U-shaped. Of particular importance this factor becomes racks for rotation device craniomandibular installations heavy class due to a significant increase in building size cross-sectional profile data, since this may lead to the problems associated with flexible sheets for deep drawing the necessary structural materials with good plastic properties and powerful bending equipment).

The front edge 51 of the side walls 49, 50 bent fragments 46, 47 provide them radii straight portions 5254 with the formation at the bottom made of wedge-shaped protrusions 55 and the inclination of these edges is identical to the angle of the respective edges 56 of the ears 32, 33 of the connector 29 of the neck 5 of the support 3. The side walls 49, 50 bent fragments 46, 47 U-shaped profile 11 is made forming rounded edges flat shank 57, forming the cheeks 18, 19 of the head 14 of the housing 10 hours.

Bent fragments 46, 47 profile 11 are welded between the vertical connecting seam 58 adjacent to each other, the edges 59 of their backs 48.

Closing the profile 11 of the housing 10 in a box flat welded keystone wall 12 made with the possibility of placing her in the welding flush with the front edges 51 located in a medium-height part of the side walls 49, 50 of straight portions 53 of the specified profile and ensuring the junction of the upper end of the covering flat shank 57 at their outer contour of the cap 13 and the formation in the zone of the lower edge of the mounting-mounting circuit 60 with a square profile that is identical to a similar circuit 61 mating with him section 38 box connector 29 support 3.

The front edge 51, 56 wedge-shaped protrusions 55 of the side walls 49, 50 of the U-shaped profile 11 cornubian located flush with said front edges and smoothly paired with keystone wall 12 welded curved visor 62 centrally located and through the open bottom of the recess 63 in his body, profiled with a gap on the outer perimeter of the housing 36 of the hydraulic cylinder 37 of the lifting boom 17, supported on the inside of the respective welded plate 64.

Incorporated into the housing design of the inventive rack technical solutions allow you to shape it in the form of thin-walled beams pyramidal configuration, with varying height dimensions of the cross section is approximately equal strength and variable stiffness, gradually increasing in the direction to areas of concentrated loads. One of these zones is the head, and the other is lower cut with a wedge-shaped protrusions of the side walls of the casing adjacent to the support ears. Extending up the head and spatial-developed lower section of the housing in conjunction with the relevant elements of local reinforcements provide the reduction implemented in these areas of design stresses from the action of external force factors to the required level.

The tilt angle of the casing 10 relative to the support 32 is in the order of 1015 degrees. Considering the corresponding displacement of the bearing unit of the base of a turntable in the transverse direction, this allows more rationale equipment craniomandibular installation scheme and laying it in the transport position with elevation of the ends of the extension and telescoping sections above the horizontal, providing the necessary transverse alignment of the specified unit as a whole.

In the cheeks 18, 19 of the head 14 of the housing 10 near the bearing sleeve 15 axis 16 of the attachment attached to the boom 17 is additionally welded sleeve 65 of greater length than the first, under the axis 66 of the hinge joints of the levers 67 of lever mechanism 68 kinematic connection between themselves by means of the axis 69 and its levers 70 and 67 hours, boom and rod 71 of the hydraulic cylinder 37 its ascent.

The neck 5 of the support 3 is supported on the outside of the flat flange 72 rectangular configuration with asymmetrically placed over the outer contour of its annular flange 27 of the axial fixation of the rack side shelf 73, but inside, in the average building height of the part - annular edge 74 and two diametrically arranged in the plane of maximum load moment tides 75, 76, increasing the wall thickness in these areas.

The shank of a stud 6 is supported on the inside annular edge 77, and on the outer surface of it is made connecting thread under nut 78 79 mounting the lower bearing 8 base 9 of the turntable 2.

Cheeks 18, 19 of the head 14 of the housing 10 are reinforced outside coaxially spaced plates 80 with a shaped cutout 81 in Nizhnee reinforcement plates 20 they have a three-layer cross-section, the total thickness of which is considerably greater than the thickness of their bases - flat shank 57 l-shaped fragments 46, 47 of the profile 11 of the housing 10, which provides the necessary structural strength in this area, where there are concentrated forces.

Mounted in the head 14 of the housing 10 of the bearing sleeve 15, 65 completed thinned in the average length of the part and is provided with radially screwed into them with grease nipples 82, 83 for the lubrication of plain bearings 8487, opposite which the cap 13 of the head is formed corresponding holes 88, 89 to access the lubricating tool.

Over asymmetrically located side shelf 73 flat flange 72 of the neck 5 of a support 3 on the corresponding wall 49 of the fragment profile 11 of the housing 10 is welded to the support mounting prismatic strap 90, and to her side and shelf flange welded cantilever spatial developed a box-shaped bracket 91 under the planetary gear with the drive pinion 92 93 gear mechanism 22 23 turn stands for the kinematic interaction with rigidly fixed on the basis of the timing wheel 94 of the transfer.

The bracket 91 of the rack is made of two curved on the radius and tightly closed drugsno located Central bore hole 98, 99 for securing gear 92 and concentric placed on them through holes 100 in the top plate under the bolt 101 is mounted. Opposite the holes 100 in the curved wall 95 is formed technological outlets 102 to provide access installation tool to nuts 103 these bolts.

Power circuit of the bracket 91 and the selected connection method with the specified wall of the claimed hours provide the necessary strength and rigidity, and the seat configuration and mounting holes 98, 99 and 100 and technological hatches 102 - the simplicity and ease of Assembly and disassembly of the planetary gear 92 to the hydraulic motor 26 mechanism 23 of its rotation.

In the side wall of one of the bent sheet fragments 46 is a U-shaped profile 11 of the housing 10 is made oriented along the walls of the oblong hatch 104 with rounded radius top and bottom edges to provide access into the internal cavity 105 hours and pass and communication lines 106 linking have it and beyond the corresponding electro-hydraulic equipment craniomandibular installation, supported from the inside perimeter welded plate 107.

The protective cover 21, the RNO-rotator is made of a composite of several, welded together when rack-mounting, fittings welded sheet or roll-formed fragments 108110 the appropriate configuration of the profiled with a gap on the outer perimeter of the transfer, and firmly attached to the outer surface of the support 3 in the area of its terminal box connector 29 and the lower part of the bracket 91 under the planetary gear 92 by welding around the perimeter mate with them, thus the location of the drive gear 93 gear is reinforced on the outside side welded edge 111 of the standard, for example, round rental.

The specified cover quite simple in design and prevents in the area of foreign particles, precipitation and placed near flexible hoses and cables craniomandibular installation.

The inventive rack is equipped with rigidly fixed, for example by welding, to the wall 112 of the lower part of the connecting neck 5 and the thorn 6 support 3 conical shell 4 planet carrier 113 console made in its internal cavity 105 tip 114 is a pin-type kinematic coupling with a leash 115 installed it in the Assembly TNA fluid input and transmission of electric signals from the rotary part, which is the base 9 of the specified device on the rotary part, which is 1 hour.

In design support-rotating devices craniomandibular installations hour occupies a special position. It secures the lifting boom and the corresponding electro-hydraulic and other equipment craniomandibular installations. Using fastened on her cylinder and the rotation mechanism are raising and lowering of the boom in the vertical and angular movement to the horizontal planes.

When performing craniomandibular installation tasks on a rack on the side of the boom system there are five components of the power factors (see Fig.29, 30):
- forces (axial and two transverse);
- moments (one transverse bending and one torque).

These power factors applied to the design of the rack are implemented in the form of forces and moments acting on the head 14 of the housing 10 hours in the area of the hinge joint with the loaded equipment.

From the side of the cylinder 37 of the lifting shafts 17 on the ears 32, 33 support 3 force RHzlying in the plane of symmetry of the stand.

Side gears 94 transfer mechanism 22 rotate horizontal plane parallel to the plane of symmetry of the stand. With regard to the design of the inventive stand this load is implemented in the form of shear forces and two moments acting on the gearbox housing.

From the base 9 of a turntable on the rack are the support reactions, which in relation to the claimed design are implemented in the form of the following loads:
horizontal components of forces acting on the support 3 by two bearings 7, 8 base 9 in a horizontal distributed forces;
- moments in vertical planes acting on the support 3 by two bearings 7, 8 base 9 in a horizontal distributed effort, runtestcase which form corresponding pairs of forces;
- the moment in the horizontal plane, acting as a horizontal tangential force Qgearattached side gears 94 base 9 tooth pinion 93 and the horizontal radial distributed forces acting on the part of the two bearings 7, 8 of the specified grounds, and minor moments of friction in the bearings.

The required bearing capacity, high weight perfection, simplification of manufacturing technology and improve technical and operational quality is the conditions laid down in her technical solutions and in particular:
- use when shaping the rack, its constituent fragments and their compounds rational design and layout decisions;
the optimal choice of structural materials, ratios of geometric dimensions and rational forms of component parts of the rack;
- selection of circuit design solutions, providing the most direct transmission from one component to another;
- combining multiple security functions in a single part;
- wide use of the design of thin-walled elements with local reinforcements them in the necessary places (mainly in areas of concentrated loads) and other

The optimal design of the inventive rack technical solutions supported by the relevant strength calculations performed on the basis of progressive methodologies using modern computer.

Obtained in the course of performing the above calculations by the finite element method, the picture of the stress-strain state of the claimed design of the rack (see Fig.32) shows that implemented it under the influence of the operating load voltage reaches a maximum in the transition zone Shea is 46, 47 profile 11 of the housing 10.

However, if the selected technical solutions they do not exceed the norm.

Composite fragments of the structure of the claimed hours, mainly, have a fairly simple configuration. While it is used widely used domestic materials and typical manufacturing technology.

With this in mind, it can be repeatedly reproduced from developed her documentation in terms of serial production at specialized engineering plants with the necessary processing equipment, trained and certified personnel and appropriate regulatory resolution database.

Currently, JSC "NC Uralterminalmash" declare rack developed working drawings, which made its full-scale prototype. Prototype testing of the claimed hours as part of one of craniomandibular plants of high capacity are expected to end early next year.

The possibility of obtaining by carrying out the invention the above-mentioned technical result consists in the simplification of the design and technology of the claimed hours, increasing its bearing sposobnostyami calculations.


Claims

1. Stand swivel turntable craniomandibular installation, representing two curved cantilever beam containing a box-shaped housing made of sheet steel profile with a variable on building height and decreasing in the upper direction of the cross-section of U-shaped configuration, closed in a box welded with an open hand flat wall of trapezoidal cross-section, and is provided with rounded contours and closed weld cap head with reinforced using welded inside the flat lining of the cheeks and mounted in a cylindrical bearing sleeve under the axle mounting hinge attached hoisting boom and rigidly connected with the housing by welding cast steel hollow support, with appropriate support mounting elements in the form of interconnected thin-walled pipe and cervical spine cylindrical shape, providing radial and axial fixing rotatably in bearings in the base of a turntable, and top profiled on the lower edge of the housing end presledovatel transmission of the rotation mechanism of the rack with the above bearings, characterized in that the connecting neck and tenon pipe made in the form of a smooth conical shell, the outer surface of the cervix and the supporting surface of the spike is formed an annular flange providing axial securing of the bearing in the bearing, the end connector made box with cantilever forward with an inclination to the longitudinal axis of the lateral ears with coaxial holes in them under the axle mounting body lift cylinder boom box connector formed of two adjacent sections, one of which is made of a closed square profile and forms a continuation of the neck, and the other is made of a rectangular configuration, the console is in relation to it, open front and provided with a closed loop at its side walls, ears and addressed to them a wall of the first section of the bottom crosspiece made in her body at an equal distance from the side walls of the through recess with a rounded back, profiled on the outer perimeter of the body of the lift cylinder boom, U-shaped profile of the case is made of two mirrored with respect to each other, the bent portion of the l-shaped cross-sectional configuration tapering up the back and side walls, per the paired among themselves on radii straight portions with the formation at the bottom of the forward wedge-shaped protrusions with the angle of inclination of these edges, identical to the angle of the respective edges of the ears of the connector neck support, the side walls of the bent portion of the U-shaped profile made forming rounded edges flat shanks forming the cheeks of the head casing, and the said fragments are welded between the vertical connecting seam adjacent to each other the edges of their backs, and closing the case in a box flat welded keystone wall made with the possibility of placing her in the welding flush with the front edges located in a medium-height part of the lateral walls of the straight portions of the specified profile and ensuring the junction of the upper end of the covering flat shanks at their outer contour of the cap, the front edge of the wedge-shaped protrusions of the side walls of the U-shaped profile of the casing and adjacent the ears of the connector neck bearings combined with each other, the case is equipped located flush with said front edges and smoothly paired with keystone wall welded curved visor with centrally located and an open bottom through the hole in his body, profiled with a gap on the outer contour of the housing of the hydraulic cylinder podshipnikovoj sleeve under the axle mounting attached arrows additionally welded sleeve of greater length, than the first, under the hinge axis of articulation of the levers articulated lever mechanism kinematic connection of the rack, boom and rod lift cylinder last.

2. Hour under item 1, characterized in that it is a leaf fragments housing and bearing are made of low carbon alloy steels, respectively katana type 10HSND and foundry type DN.

3. Hour under item 1, characterized in that her neck bearings supported outside flat flange rectangular configuration with asymmetrically placed over the outer contour of its annular flange axial fixing rack side shelf, and inside, in the average building height of the part - annular rib and two diametrically arranged in the plane of maximum load moment tides, increasing the wall thickness in these areas.

4. Hour under item 1, characterized in that therein the shank of a stud supported on the inside annular edge and on the outer surface of it is made mounting threaded nut lower bearing base of a turntable.

5. Hour under item 1, characterized in that in her cheeks head case reinforced from the outside coaxially spaced plates with faconnier cut in the bottom of the hour is jaś fact, it welded into the head shell bearing sleeves are made thinned in the average length part and provided with screwed into them with grease nipples for lubrication of plain bearings, opposite which in the cap head is formed corresponding holes to access the lubricating tool.

7. Hour under item 3, characterized in that it over asymmetrically located side shelf flat flange of the neck support on the corresponding wall of one of the l-shaped pieces of shell are welded anchor mounting prismatic bar, and to her side and shelf flange welded cantilever spatial developed a box-shaped bracket under the planetary gear with the drive pinion gear mechanism rotate stand for kinematic interaction with rigidly fixed on the basis of a turntable drive gear of the transfer, made of two curved on the radius and tightly closed to each other profiled on their external contour of the curved welded horizontal wall plates with coaxially arranged Central mounting holes for securing gear and concentrically placed against them through the practical hatches for access and installation tool to nuts of these bolts.

8. Hour under item 1, characterized in that in the side wall of one of the thin l-shaped bent portion of the U-shaped profile of the body is oriented along the walls of the oblong hatch with rounded radius top and bottom edges to provide access to the inner cavity of the rack and the passage of the communication lines connecting the disposable in it and beyond the corresponding electro-hydraulic equipment craniomandibular installation, supported inside the perimeter of the weld overlay.

9. Hour under item 1, characterized in that it is the protective cover that provides screening gear mechanism rotate the rack bearing base of a turntable made of composite of several welded together when rack-mounting the shaped sheet welded or bent fragments of the appropriate configuration of the profiled with a gap on the outer perimeter of the transfer, and firmly attached to the outer surface of the support in the area of location of the end connector and the lower part of the bracket under the planetary gear by welding around the perimeter mate with them, thus to place razmeshali, round rolled.

10. Hour under item 1, characterized in that it is provided rigidly fixed, for example by welding, in the wall of the lower part of the connecting neck and dowel bearing conical shells planet carrier with a console made in its inner cavity of the tip of a pin-type kinematic coupling with a leash installed it when assembling the turntable multichannel rotary communication connector providing fluid input and transmission of electric signals from the rotary part, which is the basis of the specified device on the rotary part, which is the hour.

 

Same patents:

The invention relates to hoisting and transport machinery, namely the support-rotating devices crane-manipulator units of high capacity, placed mainly on chassis vehicles

The invention relates to hoisting and transport machinery, in particular to the equipment forestry machines manipulator type, and can be used, for example, in the timber industry

The invention relates to the technical equipment forestry machines manipulator type, namely the support-rotating devices, and can be used in the forest industry and forestry

The invention relates to the field of technological equipment forestry machines manipulator type, namely the support-rotating devices, and can be used in the forest industry and forestry

Manipulator // 2168456
The invention relates to agricultural machinery, in particular to lifting technique

Manipulator // 2166473
The invention relates to agricultural machinery, in particular to lifting technique

Manipulator // 2166472
The invention relates to agricultural machinery, in particular to lifting technique

The invention relates to hoisting and transport machinery

The invention relates to mechanical engineering, in particular to a lifting-transport machines

The invention relates to the field of hydraulic manipulators installed mainly on vehicles, and can be used in the mechanisms of rotation of the main axis hydraulic cranes and articulated manipulators

FIELD: materials handling facilities.

SUBSTANCE: invention relates to devices for taking loose materials from pile and stowing them in layers differing in content of useful component in each layer with simultaneous averaging in process of taking material from pile and it can be used in open stores. Proposed loose material stower-gripper has boom of gripper and boom of stower of lift-lower type turnable in horizontal plane by slewing circle installed on base and drives to turn booms of gripper and stower. Slewing circle is made in form of fixed rings rigidly secured to each other and to frame of base, two coaxially arranged movable rings with gear rims resting of fixed rings through solids of revolution. Movable rings are non-connected mechanically, one movable ring being furnished with external teeth rim coupled with gripper boom turning drive, and the other is provided with internal teeth rim coupled with stower boom turning drive. Each toothed rim has independent self-contained system to regulate geometrical parameters of mating of solids of revolution with movable and fixed rings. Base be made in form of self-propelled chassis or stationary portal. Gripper boom has gripping member of rotary or scraper type.

EFFECT: reduced overall dimensions of stower-gripper, facilitated maintenance.

4 cl, 4 dwg

FIELD: forestry, in particular, processing apparatuses for tree harvesting machine used in tree felling and bunching equipment.

SUBSTANCE: supporting-rotating apparatus has base and rotary platform between which are positioned three rotating wheels and two intermediate members, said intermediate members being mounted between rotating wheels. Central brake is installed on rotary platform and is cooperating with base through joining link which is connected with its upper end through Hooke's universal joint and central brake to rotary platform and with its lower end through the same Hooke's universal joint to base. Link is adapted for changing its length by means of, for example, splined joint. Intermediate and lower rotary wheels are equipped with brakes. Intermediate rotary wheel brake is mounted on upper intermediate member. Lower rotary wheel brake is mounted on lower intermediate member. Rotary wheels are arranged at an angle with respect to each other. On rotation of rotary platform, rotation mechanism cooperates with one of rotary wheels. During operation on slopes, individual members of apparatus are rotated to thereby level rotary platform until it is rotated and set in horizontal plane.

EFFECT: increased efficiency by employing machine for felling and bunching trees on uneven felling areas and on slopes, reduced labor intensity, and provision for creating comfortable working conditions for operators.

3 cl

Slewing circle // 2280611

FIELD: mechanical engineering.

SUBSTANCE: invention relates to slewing circles of cranes and other load-lifting machines. Proposed slewing circle consists of fixed and movable upper and lower races interconnected by bolts, and solids of revolution placed in between. Lower movable race is connected with gasket made of high-strength material installed from lower side of race. Said gasket can be sectional, with butts located in non-loaded zones and can be secured by bolts or glue.

EFFECT: increased durability of slewing circle.

3 dwg

FIELD: mechanical engineering; tower cranes.

SUBSTANCE: invention relates to means of tightening bolts or nuts of larger-size bolted joints. Method includes manual turning in and off of bolt of bolted joint by rotating bolt head by lever wrench until definite axial force appears in threaded joint with subsequent tightening of bolt by mechanical tightening member. Prior to tightening bolt or prior to its backing off, wrench is connected with first bolt of bolted joint of slewing circle, and then lever of member is connected with second bolt of bolted joint, then lever of member and lever of wrench are connected in plane of arrangement of bolt heads. Wrench and member lever are locked to prevent displacement in vertical direction, and then distance between lever of wrench and second bolt of bolted joint is decreased or increased. Invention provides three design versions of device for implementing the method.

EFFECT: provision of compact device for use in confined spaces.

5 cl, 9 dwg

Turntable // 2297972

FIELD: materials handling facilities.

SUBSTANCE: invention relates to turntables of cranes and other load lifting machines. Proposed turntable consists of fixed and movable upper and lower rings and roller solids of revolution arranged in cress-cross manner and installed in raceways. Ring step formed on raceways by rollers worn along ring is eliminated by sphere of ball solids of revolution installed between roller solids of revolution.

EFFECT: increased service life turntable.

4 dwg

FIELD: forest engineering.

SUBSTANCE: supporting-and-rotating apparatus has roller-type rotating support having lower immovable part rigidly fixed on frame of self-propelled chassis and equipped with toothed crown on its inner circumference. Rotating platform is rigidly fixed on upper movable part of support and handler is mounted on said platform. Rotation mechanism for rotating platform with handler in horizontal plane relative to frame of self-propelled chassis is also fixed on movable part of support. Platform rotation mechanism has engine and reducer with drive gear rigidly fixed on output shaft, said drive gear being meshed with toothed crown of immovable part. Device for shifting of cantilever of drive gear shaft is made in the form of U-shaped frame whose sides are extending in horizontal plane, have different lengths and are equipped with openings wherein drive shaft with drive gear is introduced through bearing units. U-shaped frame is joined with its longer side to rotating platform.

EFFECT: elimination of misalignment in drive gear and toothed crown teeth meshing to thereby enhance reliability and prolong service life of apparatus.

3 cl, 4 dwg

Turning drive // 2323153

FIELD: mechanical engineering.

SUBSTANCE: invention can be used in devices designed for providing turns in horizontal or vertical planes. Proposed turning drive contains motor with brake, reduction gear, friction mechanism to limit maximum torque on reduction gear shaft and differential mechanism, all mounted on support and turnable (movable) parts of object. Motor is connected with input shaft of reduction gear on output shaft of which ring main gear is secured, being in meshing with gear rim. Differential mechanism is made in form of planetary train with epicyclic gear, sun gear, carrier and planet pinions. Sun gear is connected with motor shaft, carrier is connected with input shaft of reduction gear, and epicyclic gear is mechanically coupled with said friction mechanism through gearing.

EFFECT: improved dynamic and service characteristics of turning drive.

9 cl, 4 dwg

Turn drive // 2328442

FIELD: mechanics.

SUBSTANCE: invention can be used in devices designed for turning in a horizontal or vertical plane. The turn drive contains a tooth rim meshing with two identical main gears; the said rim is assembled on a turning portion of the object, this turning portion is installed with a support component on the base whereon an electric motor, a brake mechanism and a reducer are arranged. The electric motor via a coupling is connected to an input shaft of the reducer which includes a frictional mechanism to limit a maximum torque at the input shaft of the reducer, self braking worm gear and two differential mechanisms. Each of the differential mechanisms is made as a planetary drive equipped with an epicyclic gear, a sun gear, a carrier and satellites. One of the main gears is secured to the shaft made as one whole with the carrier of the first planetary gear, the axis of which is geometrically coupled with the central axis of the latter. The other main gear is fixed on the shaft installed in the case of the reducer; whereon the gear is attached meshing with the gear made as one whole with the epicyclic gear of the first planetary gear mechanism. The sun gear of the second planetary gear mechanism is connected to the shaft of the motor; epicyclic gear of the planetary gear mechanism by means of tooth meshing is kinematically tied to the above said friction mechanism. The sun gear of the first planetary gear mechanism is secured on the shaft which is kinematically tied with the carrier of the second planetary gear mechanism via the said self braking worm gear.

EFFECT: increased reliability of operation, improvement of dynamic and operational characteristics of a turn drive.

6 cl, 7 dwg

Slewing ring // 2335453

FIELD: transportation.

SUBSTANCE: slewing ring contains fixed and movable rings with running paths contacting with rolling bodies located between them. Cross-section of running paths profile represents square equally inclined to ring base, with radial recesses made on each of its sides, and running paths consist of 8 rectilinear and 4 radial surfaces located along diameter of ring running paths centre. In running paths with rectilinear surfaces rolling bodies of roller-type are installed, and between them/in running paths with radial surfaces - rolling bodies of ball-type, at that, balls diameter exceeds rollers diameter.

EFFECT: increase of load-carrying capability of running paths and lowering of contact loads.

2 cl, 6 dwg

FIELD: mechanics.

SUBSTANCE: support-rotating device (SRD) incorporates rotary-roller support with its lower part rigidly attached to the self-propelled chassis frame and furnished gear ring arranged along its outer edge, and its upper movable part accommodating platform rigidly fixed thereon. The platform supports manipulator and mechanism to turn the said platform with the manipulator horizontally and relative to the self-propelled chassis frame, the latter being furnished with a motor and a reduction gear with its output shaft provided with a drive gear in mesh with the aforesaid gear ring of the support fixed part. A rotary plate is fitted on the reduction gear output shaft, furnished with additional gears driven from the drive gear via a flexible link, e.g. a roller chain and lantern gears, one of them being fitted on the drive gear shaft, the others on the additional gear shafts. The said additional gears are in mesh with the fixed support gear ring.

EFFECT: longer life of SRD and machine proper.

4 cl, 2 dwg

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