The outrigger

 

(57) Abstract:

The invention relates primarily to the field of hydraulic manipulators installed on vehicles, and can be used in other areas of technology where there is a necessity of increasing the stability of the machine with the optional retractable supports. The outrigger includes pivotally suspended on the basis of the rotary rack with retractable claws in the form of a hydraulic cylinder bilateral action on the rod which is mounted the supporting heel, the mechanism of translation of the rack from the transport position into the working position and Vice versa, and a removable element fixing it in the extreme positions pin type. The mechanism of translation of the rack an outrigger from one position to another is accomplished by a crank diagram, the driving member of which is the rod of the hydraulic cylinder extension legs. The reciprocating movement of the rod through the lever system is converted into rotational portable movement of the rack an outrigger. The tests confirmed the possibility of obtaining by carrying out the invention the technical result consists in simplifying the design and improving performance of the proposed CLASS="ptx2">

The invention relates primarily to the field of hydraulic manipulators installed on vehicles, and can be used in other areas of technology where there is a necessity of increasing the stability of the machine with the optional retractable anchor device.

Known for a large number of analogues of the invention implemented in the construction of hydraulic cranes, cranes and various types of vehicles, both domestic and foreign developments.

From domestic to include outriggers hydraulic cranes ISS-4531 "Balashikha, mobile cranes plant" [1].

Of the known samples of the supporting devices foreign developments greatest interest for consideration are the outriggers [2 and 3].

Almost all of the known outriggers are raised either manually or by means of a hydraulic cylinder legs ending support toe.

In some of them the translation of the extended legs in a transport position shall be implemented by retracting its inside front outrigger without deviation from the vertical. Support foot are down [4]. the Bukovina low location of the outrigger in the transport position. For this reason, some limited ability to use the machine on salepersonal areas and especially in the forest in the presence of various kinds overcome obstacles (stumps, bumps and other). In the operation of such equipment in off-road conditions in the spring and fall seasons outriggers when driving intensively thrown dirt road.

According to another known technical solutions outriggers with drawn inward stand legs by an appropriate rotation about the axis of suspension in a plane parallel to the longitudinal axis of the machine deviates from the vertical at an angle of about 30-90owith the lock in this position.

But in this case they are in the lower part of the machine, and for this reason they possess the same disadvantages as discussed above analogues.

In some cases, the translation of the outriggers from the extreme lower (working) position to transport position, with the laying inside the base of the manipulator (the machine) is carried out by means of specially provided for this purpose lever mechanisms or other type actuated from a self-contained hydraulic cylinders [2 and 3].

But such solutions are difficult in constructive the hydraulic control channels.

The most optimal in terms of protection of the outriggers from the dirt and pull them safe when driving zone is shemalenova solution, implementing the translation of the outrigger from the working position to transport position by turning it relative to the suspension point 180oin the plane perpendicular to the longitudinal axis of the machine, reference fifth up.

In this case, the outriggers are vysokoporodnymi over samla and do not interfere with the movement of the machine selenoproteins wooded area.

Design of the manipulator includes a number of domestic and foreign counterparts of the above rotation of the rack with an outrigger cylinder 180ocarried out manually. This makes possible to simplify the design, but significantly affects the working conditions of the operator. Due to the large weight of the outriggers (for hydraulic cranes middle class with lifting moment 65-85 kNm he is about 50-70 kg) perform this operation for one person is often a daunting task.

From among the known analogues of the proposed technical solutions closest (prototype) can serve as the outrigger [5].

However, it is complicated to design and to him Tourette is to simplify the design and improve the performance of the proposed outrigger and as a result, the manipulator with the vehicle in General.

In accordance with the invention this objective is achieved in that in the proposed outrigger mechanism of translation of the rack with retractable claws from one position to another and Vice versa is made by a crank diagram, the driving member of which is the rod of the hydraulic cylinder extension legs.

According to this scheme, a reciprocating rectilinear movement of the rod (slider) using a lever system is converted into rotational motion of the rack of the outrigger with the cylinder extension legs.

This mechanism provides the translation of the outrigger from the transport position into the working position and Vice versa by an appropriate turning it 180orelative to the suspension point in the plane perpendicular to the longitudinal axis of the machine.

The invention is illustrated in the drawing, which shows:

in Fig.1, 2 - General view of the proposed outrigger;

in Fig. 3 is a longitudinal cross-section a-a in place of suspension front outrigger on ground;

in Fig. 4 - remote element B, explaining the scheme swivel joint traction with the pivoting arm of the crank-connecting rod system of the inventive device the mechanism on the rod of the hydraulic cylinder extension support feet;

in Fig. 6 is a cross section G-G base at the location of the axis of the swivel mounting of the swing arm to the ground;

In Fig. 7 is a cross section d-D structures where the fixing rack of an outrigger in the ground in the transport position;

in Fig. 8 - the path of movement of the rack with retractable outrigger paw upon his transfer from the transport position into the working position and Vice versa.

The proposed outrigger contains pivotally suspended by means of axis 1 on the base 2 rack 3 with retractable claw 4 in the form of double-acting hydraulic cylinder, the piston rod 5 which is mounted samoustraniajutsia support foot 6, the mechanism 7 of the transfer rack with hydraulic cylinder from the transport position into the working position and Vice versa, and a removable element (bolt) 8 fixing it in the extreme positions pin type.

Mechanism 7 an outrigger is a crank system, the leading element of which is the rod 5 of the cylinder 4. It is made in the form of a bracket 9, the console attached to the end of the rod 5 in the placement of the heel 6 and kinematically connected by means of a cylindrical hinge 10 is located in the plane of rotation of the traction rack 3 11, articulated in the CIP 17 base 2.

Mounting bracket 9 on the rod 5 of the cylinder 4 is carried out by pressing it against the support flange 18 of the rod hex 19 threaded connector 20 feet 6 through unbendable washer 21. One edge of the washer 21 after tightening of the connector 20 are bent on the face 22 of the socket 19 and the other on the end face 23 of the bracket 9.

Between centers 24 and 25 of rotation of the rack 3 and the lever 13 in the base 2 has a through hole 26, profiled in diameter mounted king pin 8.

Console part (handle) 27 installed in the hole of the bolt serves as interacting with the pivoting arm 13 mechanical stop, providing the necessary path of movement of the parts 11 and 13 of the lever system mechanism 7.

In the original (transport) position the outrigger raised to its extreme upper position the base of the fifth 6 up and fixed by the bolt 8 in the hole 28 of the base 2. When the rod 5 of the cylinder 4 fully "drowned" (retracted), and the node swivel joint thrust 11 with the lever 13 is rejected to the right, to the longitudinal axis of the machine (POS. And, Fig.8).

Translation of an outrigger from the transport position into the working position and back is carried out as follows.

Sleep is about the rod 5 to its full length (POS. B, Fig. 8). Then, pulling out of the hole 28 of the bolt 8, respexit rack 3. Removed the bolt is installed in the hole 26 of the base 2 with the orientation of the handle 27 in the side parts 11 and 13 of the lever system mechanism 7.

After that, the rack 3 with the cylinder 4 reject manually in the position indicated in Fig. 8, in which the center of mass of the outrigger will move to the left in the vertical passing through the point (axis) 1 his suspension on the base 2. When the supply of the working fluid in the rod cavity 30 of the hydraulic cylinder 4 is retraction of the piston rod 5. When the parts 11 and 13 of the lever system mechanism 7 convert rectilinear translational movement of the rod 5 of the cylinder 4 into rotational motion of the rack 3 with the cylinder.

At a meeting of the swivel lever 13 with the handle 27 of the bolt 8 it stops (Ref. G, Fig.8), and rod 11, turning about the axis 12, provides a translation of the rack 3 with the cylinder 4 at the end of the pull rod 5 at the lower end position (POS. D, Fig.8).

In this position, the node swivel joint 11 thrust with swivel lever 13 is rejected to the left (away from the longitudinal axis of the machine), and hour 3 cylinder 4 is rotated 180orelative to the source is the hole 31 of the base 2 with the orientation of the handle 27 in the side, the opposite arrangement of the parts 11 and 13 of the lever system mechanism 7.

Then, feeding the working fluid in podporchennuyu cavity 29 of the hydraulic cylinder 4, the push rod 5 to meetings support feet 6 with the ground 32, providing power to "unload" springs the chassis of the vehicle and increase stability during loading and unloading operations (Ref. E, Fig. 8).

Upon completion of these works by feeding the working fluid into the cavity 30 of the hydraulic cylinder 4, the piston rod 5 is drawn into its housing until it stops (Ref. D, Fig. 8). After that, remove the bolt 8 from the hole 31, the newly respexit rack 3 outrigger and released the bolt is installed in the hole 26 of the base 2 of the handle 27 in the direction of arrangement of the parts 11 and 13 of the lever system mechanism 7. This lever 13 rests on the handle 27 of the bolt 8, which excludes the possibility of lowering. Then, feeding the working fluid in podporchennuyu cavity 29 of the hydraulic cylinder 4, the push rod 5 to its full length. When the extension rod 5 rectilinear translational motion is converted into rotational motion of the rack 3 with the cylinder 4 and the outrigger, automatically turning about a point (axis) 1 suspension, lifted into position, ukakg) in the extreme upper position, and rod 11 and arm 13 are deflected in the direction of the longitudinal axis of the vehicle (Ref. B, Fig.8). In this position, the outrigger fixed pivot 8, excavated from the hole 26 and introduced into the hole 28 of the base 2. The exception spontaneous (unauthorized) drop bolt 8 from the holes of the base is provided with a spring-loaded latch 33.

After fixing the rack 3 by means of a flow of the working fluid in the rod cavity 30 4 cylinder retract the piston rod 5 to the stop (POS. And, Fig.8).

This actually completes the translation of the outrigger from the working position to transport position, the reference fifth up. He is located in a safe and the most favorable operating conditions of the area, high above the ground.

For lifting and lowering the outriggers of the proposed design does not require stand-alone hydraulic drive. For this purpose the existing cylinders extension legs.

The proposed outrigger simple in design and convenient in operation. To service its just one operator.

In the construction of the outrigger are widely used in engineering materials and typical manufacturing technology and submental in production on a normal machine-building plants, and lever system - even in repair shops.

This technical solution is implemented in the experimental samples of the modernized design of manipulator "Sinemorets-75" development of JSC "NC Uralterminalmash mounted on the chassis of automotive vehicles. These samples have been successfully pilot-tested. The tests confirmed the high efficiency inherent in the design of the proposed outrigger technical solutions.

Obtained during tests of the proposed outrigger data confirm the possibility of obtaining by carrying out the invention the above-mentioned technical effect consists in simplifying the design and improving performance of the proposed outriggers, and therefore equip their hydraulic cranes with vehicles in General.

The outrigger predominantly of hydraulic cranes installed on vehicles containing pivotally suspended on the basis of the rotary rack with retractable claws in the form of a hydraulic cylinder double acting, on the rod which is mounted the supporting heel, the mechanism of translation of the rack with the cylinder out of the transport position in the district shall eat the mechanism of translation of the rack from one location to another is made by a crank diagram in the form of a bracket, console attached to the rod end of the cylinder around the heel and kinematically connected by means of a cylindrical hinge located in the plane of rotation of the rack shaft pivotally coupled to the pivoting arm mounted on the console axis that is installed in a through hole made in the side walls of the base, and between the centers of rotation of the rack and the lever at the base is a through hole, profiled in diameter mounted removable fixation element rack, cantilever portion which serves as interacting with the pivoting arm mechanical stop, providing the necessary path of movement of the links of the linkage system, and therefore, and stand with the cylinder as a whole.

 

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