Belts, cables, or ropes, predominantly used for driving purposes and chains and fittings predominantly used therefor (F16G)

F16G              Belts, cables, or ropes, predominantly used for driving purposes; chains; fittings predominantly used therefor(1668)

Coupling/connecting ring assembly, methods and applications // 2638903
FIELD: electricity.SUBSTANCE: coupling comprises a housing portion having the first and the second ends forming a whole entity with it and a socket forming a whole entity with it having a key entry area, wherein the housing portion has a free space at least partially enclosed by the inner surface of the housing portion and socket. The complementary connecting ring includes a one-piece perimetric housing having an upper portion, a lower portion, and two shoulder portions therebetween. At least one of the shoulder portions has a key area, wherein the key area additionally consists of a solid integral part of at least one shoulder portion. The coupling/connecting ring assembly includes a coupling and a connecting ring which is removably configured to detachably engage the inner surface of the coupling central housing portion to facilitate the deliberate engagement/disengagement of the ring with the coupling.EFFECT: increased reliability of the connection of wires and cables.8 cl, 10 dwg

ultiple-strand drive plate chain // 2635433
FIELD: machine engineering.SUBSTANCE: multiple-strand drive plate chain consisting of hollow or solid rollers, identical plates and distance sleeves. The plates are movably mounted on the rollers. Individual hinges are scattered with the help of the sleeves on enlarged groups from differently oriented plates.EFFECT: simplification of technology.1 dwg

Double-hinged dismountable chain // 2635432
FIELD: machine engineering.SUBSTANCE: double-hinged dismountable chain contains crosses with an axis for the support rollers and an axis for the guide rollers connected by circular links. On each of the axes there is a bushing consisting of half-bushings connected to each other in a tandem by ring locking elements. Elements are installed in the grooves located at the ends of the bushing. Each of the half-bushings is made for connecting the tandem according to the scheme of "dovetail" type. Cylindrical springs serve as ring locking elements.EFFECT: increased reliability.2 dwg

Device to connect first and second extended elements // 2634604
FIELD: machine engineering.SUBSTANCE: connection device (1) for connecting a first and a second elongated elements (2, 4) comprises a first connecting element (3) configured to be fastened to the first elongated element (2), a second connecting element (7) configured to be fastened to the second elongated element (4), and a linking element (5) for connecting the first and second connecting elements (3, 7) to each other. The connecting elements are made with an outer surface having a slight curvature to maintain a layer of the elongated element above and adjacent to a drum. A method for connecting the first and second elongated elements (2, 4) using the connection device (1) is also disclosed.EFFECT: improvement of the elongated element winding on the drum, reduction of destructive force.13 cl, 8 dwg

Connecting ring, methods and applications // 2628664
FIELD: machine engineering.SUBSTANCE: claimed group of inventions refers to connecting elements of ropes or cables used in complexes of seismic exploration. The connecting ring includes one-piece perimetric body in the form of a ring, featuring a not round continuous perimetric edge and having upper area, lower area and two shoulder areas between them. The upper area has an inner curve C and the lower area has the opposite inner curve c, where c>C. At least one shoulder area has a key area in it. And the area of the key consists of a solid integral part of at least one of shoulder area. The connecting ring is adapted to connect to the coupling.EFFECT: increased reliability of the rope and cable connection.8 cl, 10 dwg

ultiple unit/connecting ring, methods and applications // 2624400
FIELD: machine engineering.SUBSTANCE: claimed multiple unit contains at least the partially cylindrical outer body section, having the longitudinal axis and containing the axially opposite the first and the second ends, forming therewith the whole entity and tapering along the longitudinal axis and the socket, forming with it the whole entity, consisting of two axially opposite disconnected tongues, having the open space between them. The mentioned at least partially cylindrical outer body section has the open space at least partially enclosed by the inner surface of the body section and disposed over at least the part of the indicated at least partially cylindrical outer body section. The outer body section is characterized by the maximum radial dimension, including the circumferential area of the indicated at least partially cylindrical outer body section between the first and the second axially opposite ends, where the socket is located.EFFECT: rope and cable connection reliability increase.11 cl, 10 dwg

Disassembly plate driven circuit // 2619635
FIELD: machine engineering.SUBSTANCE: demountable plate-shaped drive chain consists of rollers and identical plates with eyelets. Rollers at the ends have beads, fixing plates from axial displacement. The lugs of the plates have the same shape and dimensions with the outer surfaces of the ends of the bead rollers, are arranged in longitudinal axes along the longitudinal axes of the plates and provide minimum mounting clearances for unimpeded installation of the plates onto the rollers. In this case, assembly or disassembly of the chain's parts is carried out by applying two adjacent hinges of the internal links of the chain to each other, by aligning the fixing beads of the rollers with the eyes of the outer plates and installing them on the chain when assembling or removing them during disassembly. Internal plates are dismantled or installed in the absence of two adjacent outer plates after alignment of the locking beads of the rollers with the eyes of these plates.EFFECT: durability of the drive chain is increased, its assembly and disassembly is facilitated, the noise level is reduced.3 dwg

achines for decoration, in particular for decoration of ceramics, and method of performing belt for decoration of the noted ceramics // 2619609
FIELD: mechanics.SUBSTANCE: machine contains a belt in the form of a closed loop for transferring the decor to the receiving surface of the ceramic product and conveyor rollers around which the belt is wound and moves while rotating. Moreover, at least one of the noted conveyor rollers comprises a central portion and two end portions opposite to each other. At least one of the noted end portions freely rotates with respect to the other of the noted portions. The belt comprises a central portion with a small thickness and defining respective side edges attached to the flat, co-operating belts stretched to the noted end portions. The distance (A) between the two axial lines of the noted flat belts is shorter than the distance (B) between the locations with the maximum diameters (D) at the noted opposite end portions. The manufacturing method of the belt includes stretching due to the elasticity of the flat belts so that the size of their circumferential length substantially corresponds to the circumferential length of the tubular film. The edges of the tubular film are joined to the edges of the flat belts during the noted stretching of the flat belts. The stretching of these flat belts is eliminated.EFFECT: increased efficiency of the decor transfer to the receiving surface and simplified manufacture of the belt.20 cl, 5 dwg

Power transmission belt and belt stepless-adjustment transmission // 2619355
FIELD: transportation.SUBSTANCE: belt is equipped with a layer having tensile elements, tensile rubber layer formed on one surface of the carrier layer, and a tensile rubber layer on the other surface of the carrier layer. The belt has teeth formed on the inner surface and is in frictional engagement with pulleys of the side surface of the tensile rubber layer. The tensile elements are formed of aramid fibers. The tensile rubber layer is formed of a vulcanised rubber composition comprising a rubber component and short aramid fibers. Aramid short fibers are embedded in the vulcanized rubber composition, being oriented in the direction of the belt width. The power belt has a relative deformation from about 0.5 to about 0.8%, being compressible with pressure of 2.0 N/mm2 in the direction of width. The power belt has a relative deformation from 0.35 to 0.7% being stretchable in the longitudinal direction with a load of 2 kN.EFFECT: increased belt reliability.7 cl, 3 tbl, 5 dwg

Jumar for lifting by a rope // 2619030
FIELD: transportation.SUBSTANCE: jumar for lifting by a rope containing U-clamp 12, equipped with two lateral wings 13, 14, limitung inner space 15 for passing rope 11, and a locking spiked surface 17, where rope 11 is blocked in case of a fall. Two wings 14 contain two holes 18, located opposite each other, and each hole has an edge 21 in the form of sloping ramps for sending carbine 19, passing through two holes 18. Clamp 12 contains a moving control element 24, shifting by spring 30 into the operating to fire the carbine along ramps for rope 11, for entering into contact with locking spiked surface 17 thus to obtain the first state of readiness to lock when lifting by a rope, and second locking state of clamp 12 on the rope in case of a fall.EFFECT: increased reliability.7 cl, 7 dwg

Plate chain // 2612089
FIELD: machine building.SUBSTANCE: plate chain comprises internal and external plates separated by distance sleeves, and rollers having fixedly installed on them locking washers. In chain plates sleeves out of wear-resistant material are installed, roller are free installed in them and rotate during work.EFFECT: increased service life of device.1 dwg

Demountable roller chain // 2610722
FIELD: mechanical engineering.SUBSTANCE: demountable roller chain consists of solid or hollow cylinders and the same plates with lugs, forming a joint with them. The rollers at the ends have a projection with the height, determined by the expression: 0<s≤0.5(t-d), where: d - diameter of the roller in the hinge area; t - chain pitch. The shape and dimensions of the other projections are carried out arbitrary. The plate lugs have the shape and size of the projection of roller ends with projections and provide easy assembly and disassembly of the plates on the rollers. As a result, the noise level is reduced, and the longevity of chain increased.EFFECT: formation allows seamless assembly and disassembly of any part of the chain circuit without the use of complex instruments.3 dwg
ethod of mechanical connection of rubber-fabric conveyor belts // 2608993
FIELD: technological processes.SUBSTANCE: method of mechanical connection of rubber-fabric conveyor belts includes handling, assembling and fixing the jointed ends of the belt. Belt end are handled in a stepped manner in such a way, that the number of the belt cord layers in the joint point exceeds the number of the cord layers in the other belt, and are connected by means of metal plates and connection bolts tightening them. In the joint middle part the connection bolts along the belt width are located more frequently than along the joint edges and in such a way, that any two points of their location are not on the line parallel to the belt lengthwise axis.EFFECT: provided are: higher durability of the belt flight elements, easier and less labour-intensive process of belts connection.4 cl, 18 dwg

Friction transmission belt and method of its production, as well as belt transmission system // 2608207
FIELD: machine building.SUBSTANCE: group of inventions relates to machine building. According to first embodiment friction transmission belt contains film from thermoplastic resin and powdered layer, arranged on thermoplastic resin film surface side. Powdered layer includes powder particles with reduced friction coefficient, submerged into thermoplastic resin film, powder particles with reduced friction coefficient, located on thermoplastic resin film surface and open outwards, and powder particles with reduced friction coefficient, agglomerated and adhering onto powder particles with reduced friction coefficient. According to second embodiment belt contains powdered layer, formed in advance by sputtering of powder particles with reduced friction coefficient onto belt molding die mold forming surface. Belt transmission system comprises friction transmission belt and plurality of pulleys, around which friction belt transmission belt housing is wrapped. Method of friction transmission belt making.EFFECT: achieving possibility of intermittent belt sliding reduction.17 cl, 19 dwg

Connecting chain clamp // 2606177
FIELD: construction.SUBSTANCE: invention relates to connecting chain clamp intended for fastening of hoisting chain to lifting element. Connecting chain clamp consists of two identical halves (1a), made to be mounted opposite each other for combined operation. Identical halves (1a) form first space (A) for placement of one chain link or half of chain link for fixation of chain in direction of load lifting or lift force action. First space is open in first direction corresponding to longitudinal direction of connecting clamp. Second space (B) is connected with said first space and is intended for placement of second hoisting chain link, which is connected to first chain link or is subject to connection with half of chain link. Second space is open in both longitudinal directions of hoisting chain.EFFECT: simplified design and higher reliability are achieved.15 cl, 4 dwg

Chain link, support chain and supporting device // 2606101
FIELD: machine building.SUBSTANCE: invention relates to support chain (18) to keep pressure belt (12) in separation device (10) intended for different fluidity substances separation, as well as to support device with above support chain. Support chain (18) link (21) has support surface (22) and opposite internal surface (23). On link (21) end surface (24) there is at least one extending support element (25), forming angular clearance. Internal surface (23) has concave contact area (30). Support surface (22) is made convex.EFFECT: result is enabling uniform distribution of load on chain links and pressure belt and higher strength of links.12 cl, 6 dwg

ethod of conveyor belt connection // 2605224
FIELD: machine building.SUBSTANCE: method is intended for conveyor belt connection, having inner part layer, formed by multiple steel cords, arranged in row and coated with softening rubber. End is formed in belt housing longitudinal direction so, that covering inner part layer softening rubber, was opened in advance. Coating softening rubber surfaces, made for opening, with detachable element. Curing and molding belt housing using rubber coating, laminated on detached element surface. Heat-resistant anti-adhesion sheet is used as detached element. Retaining detachable element so, that it was not opened on rubber coating surfaces and was located in belt housing. During end connection in belt housing longitudinal direction performing detachable element separation for removal of rubber coating, laminated on detached element surfaces, and softening rubber removal, which covers inner part layer, and for inner part layer opening covered with detachable element; separation of steel cords in inner part open layer width direction to preset length; inner part another layer steel cords introduction, subject to connection, in position, where separated steel cords were arranged; and after softening rubber and rubber coating layering on steel cords introduction section curing section for connection of inner parts layers.EFFECT: enabling higher quality and shorter time for execution of connection.4 cl, 7 dwg

Chain link and steel chain with such chain links // 2604544
FIELD: manufacturing technology.SUBSTANCE: invention relates to a steel link chain, in particular, to design of a separate chain link. Link (2) of a chain connecting two other engaged with it links (3, 3.1) with formation of a round-steel chain in the form of a drive chain of a scraper conveyor has two bends (4, 5) and two legs (7, 7.1) connecting bends (4, 5). Link on the outer side facing the opposite side from inner space (6) of link (2) has at least one working surface (8, 11, 15, 15.1, 16). Herewith the link is made asymmetric on at least one of bends (4, 5) relative to at least one of asymmetric median planes x-y, where x is the length direction of link (2) of the chain, y is the width direction of link (2) of the chain.EFFECT: technical result is improvement of service life of the chain.14 cl, 5 dwg

Wedge-type chain // 2600408
FIELD: machine building.SUBSTANCE: invention relates to general machine building, and more specifically to chain gears design. Wedge-type chain consists of identical plates, rolls and brake pads with one-sided outer obliquity rigidly mounted on rollers. Between pads adjacent sections located above chain longitudinal axis, passing through rollers axes minimum gap is made. Each pad side edges, below longitudinal axis, are made at angles, providing required chain bend on pulley. Tops of these angles are located above chain longitudinal axis.EFFECT: achieved is design simplification.1 cl, 1 dwg

Bearing chain // 2596832
FIELD: machine building.SUBSTANCE: invention relates to chain transmissions and can be used in hoisting machines and mechanisms used in case of overload in nuclear reactors. Chain comprises two branches made with possibility of movement by means of two drive sprockets, own for each branch. Each branch is plate-like hinged chain, which plates after coming with sprockets, being adjoined to each other, form "pushing" chain. Plates of one branch have recesses, and plates of other branch contain bushings fixed on them made with possibility of engagement with each other at connection of chain branches carrying at same time, wherein plates of one branch enter space between plates of other branch.EFFECT: higher rigidity of chain.1 cl, 2 dwg

ethod for connection of conveyor belt // 2596385
FIELD: instrument making.SUBSTANCE: method includes making inner part of one end in longitudinal direction of main body of belt in advance in stepped shape; coating top of inner part of stepped shape with a detachable element; curing and forming main body of belt of rubber coating, layered on detachable element. When connecting end in longitudinal direction of main body of belt method includes separation of detachable element for removal of rubber coating, layered on detachable element, and opening inner part of stepped shape, covered with detachable element; laying on open inner part of another internal part of stepped shape for connection, so that other inner part faces open inner part; and curin and connection of portion, where inner parts are laid on each other. Portion of excessive length of main body of belt is left on tip in longitudinal direction of main body of belt outside portion, inner part is made in advance in stepped shape. When connecting end in longitudinal direction of main body of belt main body of belt is pulled in device of belt conveyor by gripping portion of excessive length, and portion of excessive length is cut after tension of main body of belt.EFFECT: faster connection of belt, higher quality of connection.4 cl, 6 dwg

ethod of sealing end metal cable and device for therefor // 2595068
FIELD: machine building.SUBSTANCE: invention relates to machine building when sealing ends of cables/ropes. Device for sealing end of metal cable consists of housing with conical channel and a self-tapping screw. Method is implemented as follows: end metal rope is introduced into cone-shaped channel of housing and then self-tapping screw is screwed in centre of end of metal cable. First end of metal rope is to be arranged with a certain ledge over end of housing, which provides self-tapping screw screwed and subsequent installation of rope drawing. After mounting drawing is cut projecting above end of housing part of metal cable. If necessary, head self-tapping screw can be cut.EFFECT: simplified sealing end of metal rope while providing high reliability of sealing end of rope.5 cl, 2 dwg

Energy-conducting circuit with rollers // 2594053
FIELD: machine building. SUBSTANCE: invention relates to machine building, particularly, to design of circuits for hoses, cables, etc. Energy-conducting circuit (1) contains multiple pivotally interconnected links, which are formed by parallel to each other side plates (11, 12) connected into parallel branches of side plates, and connecting their transverse bulkheads (21). Side plates can turn relative to each other about rotation axis, common for two adjacent lateral plates. Energy-conducting circuit (1) can displace to form a loop containing upper branch, a lower branch and connecting them turning area. Upper branch rests in at least partial contact internal sides of chain links on lower branch. Side plates of each branch side plates are composed of alternating internal plates (14) and external plates (11, 12). At least some of external plates are equipped with guide rollers (16), while only internal plates have stops, which limit angle of rotation between adjacent plates. EFFECT: higher functional capabilities. 4 cl, 5 dwg

Saw rope to be used in cable saw // 2592622
FIELD: technological processes. SUBSTANCE: invention relates to saw cable to be used in cable saw. Saw rope comprises cable rope and cutting beads arranged on it, wherein ends of saw cable connected to each other by means of sleeve-shaped press lock, and sleeve-like press lock has at least on one end zone of low stiffness. At that, at least one end of sleeve-shaped press lock has at least one slotted interruption, preferably six slotted interruptions. Besides, at least one of two adjacent to sleeve-shaped press lock cutting beads has extensible part welded to cutting coating support body. At that, welded extension part is located on side of cutting beads, which is opposite to sleeve-shaped press lock. EFFECT: increased service life of lock. 16 cl, 4 dwg

Connecting element of circuit with protective spacer element // 2591776
FIELD: electricity.SUBSTANCE: invention relates to circuit connector (1), which includes two arc elements (4, 5) connected by their flanges (6) and spacer element (50) inserted across between flanges (9). One flange (6) of each arc element (4, 5) has contracted section (7), as well as thickened in comparison with journal (8), and on opposite to it other flange (9) groove (10) for narrowing and groove (11) for journal are provided respectively. Two inserted one into another arc elements (5) are blocked by means of spacer (50). Spacer element (50) is formed by pin, bushing and spring pin. Spacer element (50) is made mirror-symmetrical, on each side with arc elements (4, 5) enters into locking engagement with geometrical closure located outside bearing sleeve (51). Internal lock pin (53) on each of its ends has spring pin (61); both sides can be fitted in lock pin (53) or knocking of locating pin (63) out of it. Spring pins (61) are fixed in bearing sleeve (51) with geometrical closure.EFFECT: ease of use.9 cl, 9 dwg

Drive belt // 2588549
FIELD: machine building.SUBSTANCE: invention relates to a toothed belt for power transmission. Toothed belt (10) comprises a belt main body (13), which is formed by means of tooth rubber (11) on one surface and support rubber (12) on other surface, and core wire (14), which is wound in a spiral shape in boundary portion between tooth rubber (11) and support rubber (12). A facing fabric (20) covering tooth rubber (11) is adhered to surface of tooth rubber (11) or one surface of belt main body (13). Tooth rubber (11) is produced by moulding and vulcanisation of rubber mixture which contains a hydrogenated nitrile rubber, resorcin, Melamine composition, silicon dioxide.EFFECT: longer life of belt.10 cl, 5 dwg, 1 tbl

Circuit and method of producing circuit // 2588405
FIELD: machine building.SUBSTANCE: present invention relates to machine building, particularly to design of chain and method of its fabrication. Chain comprises at least one link made with pretension, namely with negative pre-load of the chain link element, e.g. bolt with negative pretension or pad. This reduces bending stress occurring as result of operating load and acting on chain link, in particular, to pad or bolts. Method of chain producing includes assembly, of at least one chain link of at least two pads (2) with holes in patch pieces (3) and two bolts (1) or bushings (4). Pad (2) has longitudinal axis (6), which in limbo pad position (2) has curved, different from straight shape and/or pad (2) has longitudinal axis (6), and hole has axis of holes (7) direction being inclined to longitudinal axis (6) or traction load direction (F) circuit, and/or bolt (1) or sleeve (4) has longitudinal axis (5), longitudinal axis (5) in limbo bolt (1) or pad (4) has curved different from the direct form, assembly of chain, at least two links using at least, one chain link made in such way.EFFECT: reduced metal consumption is achieved.14 cl, 14 dwg

Horizontal chain link // 2584640
FIELD: transportation.SUBSTANCE: drive chain for scraper conveyor comprises horizontal chain links (1) with two arms (3, 3.1) connecting bends (6, 6.1), said arms respectively having on their sides (7, 7.1) facing outside an attachment section (2, 2.1) made so that in longitudinal direction of horizontal link by geometrical closure can be fixed a scraper. Maximum outer width of horizontal links corresponds to or less than width of standard chain link of same nominal diameter. Attachment section of arm has recess (4, 4.1), made in arm and thereby reducing area of its cross section compared with adjacent sections of horizontal link.EFFECT: providing high-strength and lightweight horizontal chain link with a recess for fixing scraper.10 cl, 13 dwg

Locking system, in particular tyre-protection circuits // 2583422
FIELD: machine building.SUBSTANCE: group of inventions relates to machine building, namely to lock systems for circuit connecting link for tires. Locking system for circuit connecting link for tires comprises locking element containing socket for lug. Lock element has socket for rotary crossbar accommodating rotary crossbar. Seat for turning crossbar has locking section, in which blocking part of rotary cross-bar, and retaining section, in which retaining part of rotary cross-bar. Connector for connection of chain links for tyres has lugs connected by bracket. Tab has section of contact, which can interact with lock system. Chain for tyres has connecting link.EFFECT: lower applied forces at closing and opening of connecting links.14 cl, 20 dwg

Plate link of driven roller chain // 2581998
FIELD: machine building.SUBSTANCE: invention relates to machine building and can be used in drive roller or bush chain. Plate with holes of link of driven roller chain has a contour with adjacent curvilinear in form of circular arcs end and middle parts of circuit. Flat sections circuit are located opposite to longitudinal axis and symmetrically relative to axes of holes of plate. Dimensions of chain pitch, radius of circular arcs end and middle parts of circuit, maximum and minimum width of plates satisfy formulae (1) and (2).EFFECT: increased service life of chain.1 cl, 1 dwg, 2 tbl

ethod of fixing transport packets in railway open wagon when loading above board (versions) // 2581207
FIELD: transport.SUBSTANCE: invention relates to freight rail transport, specifically to methods of securing various goods in open wagons. Method of fastening cargo in railway open wagon when loading above gondola car is characterised by cargo is fixed with at least two textile belts (1), each located on upper row of load attached to said car by means of two set end elements, locked behind external upper tying devices arranged on opposite sides of open-top wagon, tightened and fixed by tightening fixing fasteners with a protective substrate, sewn into textile belt with its one side. On each textile belt there is at least one movable friction lining (10) of textile materials, lower surface abutting thereto, made from friction material, and under each row and at bottom of open-top wagon are friction-separation gaskets. Double textile belt is used in a version of method.EFFECT: inventions improve reliability of cargo in open wagons during its transportation.9 cl, 8 dwg

Horizontal chain link and steel link chain with such horizontal links // 2576211
FIELD: machine building.SUBSTANCE: horizontal chain link (3) to connect two engaged in it vertical links (2) for drive chain (1) of scraper conveyor on its external side looking to opposite side from its internal space (7) has several functional zones (F1-F4), for example, for scraper connection. The horizontal link along full perimeter has same height (H) and same width (N) determining the nominal diameter of the link. In elbows deviation of height (H) up to - 10% is permitted. At least one functional zone (F1-F4) is within the virtual side surface enveloping the height and width of the horizontal link in such functional zone. The envelope (E) is such curve that connects the end points of height and width with each other.EFFECT: strong and lightweight horizontal chain link with functional zones is ensured.17 cl, 21 dwg

Flat link of chain for link chain and steel chain with such links // 2576204
FIELD: machine building.SUBSTANCE: flat chain link (2) for a drive chain (1), upon link vertical orientation, in area of arms (4, 4.1), connecting both elbows (8, 9), has in vertical direction the arm height H, that is smaller than maximum width of the arm BS. The maximum width of the arm BS in vertical direction is located beyond the centre, as well as with displacement to external side (11) of the arm. In its turn the maximum width of the arm BS is larger than width determining the nominal diameter N of the chain link in area of its elbows. The elbows area determining the nominal diameter N of the chain link is limited by the arc-like area of several angular degrees, covering maximum 10 degrees to both sides from middle plane (10) dividing the elbows in transverse direction. Starting from the arm width BS the link width in its elbows continuously reduces to the arc-like area determining the nominal diameter of the link N.EFFECT: increased strength of chain link.11 cl, 12 dwg

Rigging lock // 2570973
FIELD: woodworking industry.SUBSTANCE: rigging lock consists of two hingedly connected plates, each of which has vertical recesses arranged so that when the closure of the lock by superimposing of the upper plate on the lower plate the eyelets are formed, in which the rigging chain links are placed. Fixation of fastening is carried out by U-shaped mounting stud of steel rod or wire, which is inserted into the mounting holes located on both sides of the upper and lower plates in their lower parts so that when closing the lock a common hole is formed.EFFECT: increase in reliability of fastening.3 dwg

Rigging lock // 2569342
FIELD: wood working industry.SUBSTANCE: rigging lock consists of two parts, one of them is made from the metal cylinder with the diameter necessary to provide the pre-set rated strength of the connection. On one end the cylinder has an eye for fastening of steel rope or chain, and on another end - thread with nuts with through cavities. The cylinder also has the longitudinal cavity with the depth amounting 2/3 of its diameter and the width equal to the thickness of the second part of the lock. On the end of the cavity from the eye side the cylinder has a through vertical hole with the diameter equal to the diameter of the element of the second part of the lock which also has the eye on one end for fastening of steel rope or chain. The lock is closed by placement of the second its part into the cylinder cavity through cavities of nuts so that the element of the second part to be fitted into the cylinder hole then the nuts are turned in thread and the fastening is fixed.EFFECT: increased reliability of fastening.3 dwg

Procedure and facility for chain use // 2568528
FIELD: machine building.SUBSTANCE: invention relates to the machine building, and more exactly to transmission or conveyor chain. The chain is made out of shaped elements (1), that are connected in series with each other at connecting points (4, 5) in the connecting parts (1b) located at their opposite ends using the connecting pins. The chain is driven by the drive that contains at least one chain wheel, in particular drive wheel or rotating wheel. Deviation of the central line (s) determined by successive connecting pins of the chain from the radius (R; R', R") of curvature of the support surface of the drive wheel and/or rotating wheel (7a, 7b), when the chain is bent around the drive wheel and/or rotating wheel is minimized due to use of the shaped elements (1; 1'), that have connecting parts (1'b) installed at angle (a) to the central line (s).EFFECT: improved design.8 cl, 8 dwg

Wedge-type chain // 2566583
FIELD: machine building.SUBSTANCE: invention relates to machine building, more specifically to design of the chain drives, and can be used in drives of actuating elements, for example, agricultural machines and tools. The wedge-type chain contains plates and rollers, free installed in eye lugs of plates and making hinge with them. At end of each roller fixedly and coaxially with them brake pads are installed, one of their surfaces is made in form of regular cone, having common interfacing line with side surfaces of pulley grooves.EFFECT: extension of scope of application.1 dwg

Link chain // 2564717
FIELD: transport.SUBSTANCE: invention relates to conveyors for loose materials, particularly, to chains used in piggy-back conveyor. Link chain comprises multiple separate links. these are arranged so that first link comprises two rod parts, two arc-like parts for their connection that along with said two rod parts define the first link inside. At least one separator extending inward from inner surface of one of two rod parts and inward from inner surface of the other rod part divides said inside into two zones of displacement. Note here that separator joint point with at least one rod part is not located at the rod part centre. Said separator is S-shaped at has larger cross-section at the point of joint with every rod part than that at its mid part. Second link gas two rod parts to connect their two arc-like parts. The latter and two rod parts confine the zone of displacement in side said second link. Note also that second link is engaged with first link to displace in one of two displacement zones in first link.EFFECT: decreased weight, higher strength of chain link.6 cl, 9 dwg

easuring method of actual pitches of roller chains // 2563771
FIELD: measurement equipment.SUBSTANCE: measuring method of actual pitches of roller chains as distance along the link axis between identical generatrixes of two one-sidedly offset adjacent rollers, according to which a calliper gauge with a digital indicating device is used for a measurement; with that, a fixed jaw of the calliper gauge is fixed, and a movable jaw of the calliper gauge is used for one-sided offset of the first roller of the measured link of the roller chain and zero setting of readings of the digital indicating device of the calliper gauge is performed; position of the fixed jaw of the calliper gauge is saved and the movable jaw is moved to the second roller of the measured link; the second roller is one-sidedly offset and the value of the actual pitch is read out; in order to measure the pitch of the next link of the roller chain, zero setting of readings is performed, the movable jaw is moved to the next roller, the next roller is one-sidedly offset and the value of the next actual pitch is read out, etc.EFFECT: measuring method provides control of actual pitches of roller chains by a standard tool and requires no preliminary adjustment.1 dwg

Chain for chain curtain of roasting unit // 2561545
FIELD: heating.SUBSTANCE: invention relates to intrafurnace technical devices for intensification of a roasting process in rotating furnaces. A chain includes welded or cast links of oval or round shape, which are connected to each other. Body of each of the links has a cross section with a profile of a round shape. Each link on the side of its outer surface has a cross-section equal to 0.5d, where d is a rod gauge equal to 19-28 mm. On the side of the inner surface, the link has a radius equal to half pitch of the chain for round links, or with radius R equal to 0.5 (B-2b), where B is width, b is thickness of the link body, for oval links. Closure of outer and inner surfaces of links is provided by their flat surfaces.EFFECT: reduction of abrasive wear at connection points of chain links and improvement of resistance of the chain to break.4 cl, 4 dwg

Cast chain link // 2559859
FIELD: process engineering.SUBSTANCE: chain link for heat curtains for rotary annealing furnaces, particularly, for production of clinker by wet process represents a toroidal body with developed surface owing to bulges made thereon. Said bulges are confined by surfaces of different-orientation ellipsoids alternating in stepwise manner along chain link toroidal body lengthwise axis.EFFECT: ruled out sticking of slime on chain link surface.5 cl, 8 dwg

ethod of manufacturing of device cartridge for rope securing // 2559082
FIELD: machine building.SUBSTANCE: invention relates to the machine building, and can be used during manufacturing of the structural elements of elevators, in particular devices for ropes or wires securing upon connection with cabins or cages. In accordance with one option of manufacturing of the cartridge of the device for rope securing out of pipe blank by the radial forging the forging is made comprising cone parts of set length. From the forging the cone part is separated, and machining of the internal cone is made. The cone part shape is changed with creation of the ellipse-like cross-section. By the machining the window for the wedge installation and removal, as well as connecting pad are made. In accordance with the second option of manufacturing the pipe section with set length is changed in shape by the rotation swaging and rotation drawing with creation of the cone forging. The shape of the forging is changed with creation of the ellipse-like cross-section, and by machining the window for wedge and connecting pad are made.EFFECT: reduced labour intensity of the cartridge manufacturing.6 cl, 5 dwg, 2 ex

Friction drive belt // 2551693
FIELD: machine building.SUBSTANCE: invention relates to machine building and can be used in transmission gears. A belt for friction gears (10) comprises a glue part (12) of rubber and a compressive part (14) of rubber which is set lower than the glue rubber part (12). A cord (11) being an element for belt tension, is built-in in the glue rubber part (12). The glue rubber part (12) is fitted by an upper layer (12A) making up the upper side, and by a lower layer (12B) making up the lower side which is located around the cord (11). The upper layer (12A) and the lower layer (12B) are produced at the vulcanization of rubber mix containing high-viscous elastomer, for example, EPM or EPDM, and low-viscous elastomer with the Mooney viscosity of the latter being less than that of the high-viscous elastomer, and containing modified polyamide microfibers in the capacity of short fibres (21A, 21B) respectively. The short fibres (21A, 21B) are oriented in the width direction and longitudinal direction of the belt respectively.EFFECT: better durability of a belt.15 cl, 3 dwg, 3 tbl

Plate of link of driven roller or bush chain // 2550788
FIELD: machine building.SUBSTANCE: plate of link of driven roller or bush chain is made through full width in form of the shaped form, where end parts are located opposite relatively to the transverse axis of the profile, and are enclosed by circular arcs. Central part of the profile with minimum width at the transverse axis of the profile from both opposite sides is enclosed by the circular arcs smoothly interfacing with the circular arcs of the end parts, and contains two round holes arranged ion the longitudinal axis of the profile at spacing equal to the chain pitch. Centres of holes are located at centres of the circle arcs of the profile end parts, and are in depend on radiuses of the circle arcs of the profile end parts, minimum profile width, plate thickness, and diameter of plate holes.EFFECT: increased fatigue strength of the plate of driven chain link.4 tbl, 1 dwg

Toothed belt // 2550098
FIELD: machine building.SUBSTANCE: invention refers to a toothed belt and to the method of its manufacturing. The toothed belt (10) includes a belt base (13) with a toothed rubber part (11) and a reverse rubber part (12). Surface of the toothed rubber part (11) is covered by coating fabric (20). The coating fabric (20) is treated by RFL-composition and has the outer surface (21) covered by hardened material from the first epoxy resin. Softening temperature of the hardened material from the first epoxy resin amounts to, for example, 110°C or more. Epoxy equivalent of the first epoxy resin amounts to, for example, from 100 to 1500 g/eq. The alternative version implies that the coating fabric (20) is impregnated by processing composition including the second epoxy resin, a hardener to harden the second epoxy resin and a rubber component.EFFECT: better durability of a belt.22 cl, 15 dwg

Leaf chain with external engagement // 2544472
FIELD: machine building.SUBSTANCE: chain consists of smooth cylindrical rollers (1) mounted freely in the holes of plates (2) and fixed from axial displacements by stationary washers (3). The relation of the outer roller diameter to the standard chain pitch amounts to 0.35-0.65.EFFECT: simplified manufacturing of rollers, increased area of the projection of hinge bearing surface, improved durability of the chain without the increase of its dimensions.1 dwg

Chain with open joints // 2544463
FIELD: machine building.SUBSTANCE: chain consists of external (1) and internal (2) plates and rollers being fixed in the external plates and installed movably in the internal plates. Additionally the internal plates are equipped by two cylindrical inserts (4) each, the inserts rest upon each other and simultaneously contact with the respective rollers.EFFECT: increased reliability of a chain.1 dwg

Pickup press chain // 2544432
FIELD: machine building.SUBSTANCE: pickup press chain contains alternating by value of steps carrier links located every other equal amount of row links, each of which is designed as pair of plates, axles and bushings, hingedly and coaxially connected to each other. The internal plates of the carrier link of the chain are connected to outside plates of the carrier link of the chain using the bushing of smaller diameter which enters the bushing of the larger diameter. The row links are connected to carrier links using rollers installed in bushings of internal row links, onto which the plates of carrier links are pressed-on. The internal row links are connected to each other using the external row plates, pressed-on on rollers installed into bushings of internal links. On external and/or on internal surfaces of bushings of the greater diameter, with pressed-on on them internal plates of the carrier link of the chain, a protective layer of zinc with the width 10-100 mcm is applied.EFFECT: applied zinc layer allows to create grease-retaining protective surface, that allows to minimise a wear of contacting to each other details and to protect joints and bushings from increased friction at loading.3 cl, 5 dwg

ethod to connect ends of rubber-textile tapes // 2544072
FIELD: machine building.SUBSTANCE: ends (1, 2) of the tapes to be connected are made off wedge-like with cutting off the textile inserts (6, 7) and intertextile sheets (10) to form the surfaces to be connected, then they are buffed, cleaned, washed, a layer of binding material is placed between the ends, they are heated and pressed. Longitudinal cuts (12) are made on the connected surfaces along the warp yarns of the textile inserts and cross cuts (13) are made across the warp yarns of the textile inserts.EFFECT: higher strength and durability of the tape connection.5 cl, 7 dwg

Self-aligning anchor line thimble // 2541615
FIELD: transport.SUBSTANCE: invention relates to anchor brace ropes thimbles. Thimble should be fitted at the end of anchor line of anchoring system of a moving heavy element. Thimble comprises body (12) with cavity (14) including anchor line (22) guide chamber (34), mid section (18) and fastening intake part (20) to clip ends of anchor line threads (22). Thimble comprises also means (30, 30') for connection with moving heavy element to anchored arranged at body (12) to define axis (32) of thimble body (12) turn. Similar axis extends through mid section (18).EFFECT: higher reliability of fastening.3 cl, 1 dwg
 
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