127results about "Chain links" patented technology

The utility model discloses a meshing type load chain structure and a chain group thereof. The chain structure comprises a first chain A and a second chain B which are oppositely arranged, the first chain A and the second chain B are each formed by connecting a plurality of chain links with two or more inner chain pieces and outer chain pieces in series, wherein the outer chain pieces are connected with the chain links in an end-to-end alternating mode through pin shafts. The inner chain pieces and the outer chain pieces are the same in shape and structure and are in axial symmetry. Each inner chain sheet of the first chain A and the inner chain sheet of the second chain B are oppositely and correspondingly arranged and are meshed with each other; each outer chain sheet of the first chain sheet A and the outer chain sheet of the second chain B are oppositely and correspondingly arranged and are meshed with each other; and the opposite surfaces of the inner chain sheets and the outer chain sheets are parallel and continuous smooth curved surfaces. By the adoption of the chain structure and the chain set, the load generated when the chain structure is used for conducting linear reciprocating transmission in a limited space can be effectively increased, and the mechanical noise problem generated when the chain structure and the chain set are in the working state is remarkably reduced.

The invention discloses a single-chain wedge seam self-locking type variable rigid chain and a rigid-flexible converter thereof, the variable rigid chain comprises a plurality of chain link bodies, the plurality of chain link bodies are connected in sequence, and every two adjacent chain link bodies are hinged; each chain link body comprises a chain link base body and a self-locking mechanism, the self-locking mechanism is used for controlling locking and unlocking between every two adjacent chain link bodies, and when the self-locking mechanism is in a locking state, every two adjacent chain link bodies cannot rotate; and when the self-locking mechanism is in an unlocking state, every two adjacent chain link bodies can rotate. The technical effects of the invention are that the whole body adopts a single chain type structure, the volume is compact, the arrangement is flexible, the cost performance is high, a self-locking mechanism is arranged between two adjacent links, the rigid state and the flexible state can be flexibly switched, and the self-locking mechanism performs locking and unlocking by utilizing the wedge seam principle, so that the safety is high. The shearing force borne by the locking structure in the working process of the chain body can be reduced to the maximum extent, the reliability of the chain link locking structure is guaranteed, and the blocking probability is reduced.

The utility model provides a feeding conveying chain, which relates to the technical field of conveying chains, and comprises first chain plates, second chain plates and semicircular fixing pins, two semicircular fixing pins are arranged between any pair of adjacent first chain plate and second chain plate and are distributed in a central symmetry manner; one opposite ends of the two semicircular fixing pins are fixedly connected with limiting columns used for limiting the position of the first chain plate or the second chain plate, the limiting columns are provided with semicircular grooves matched with the contours of the other ends of the semicircular fixing pins, and by arranging the two semicircular fixing pins, the relative position of the first chain plate and the second chain plate can be limited; and by arranging the limiting columns, the semicircular fixing pins are prevented from falling off from the chain plates, and by arranging the inserting grooves and the inserting blocks, axial displacement between the two semicircular fixing pins is prevented.

The utility model discloses a drag chain link plate connecting structure, which belongs to the technical field of drag chain part equipment, and comprises an upper cover plate and a lower support plate which are used for connecting a left drag chain unit and a right drag chain unit, a separation sheet is clamped between the upper cover plate and the lower support plate, the two ends of each drag chain unit are provided with circular link plates which are clamped in a mutually aligned manner, and the circular link plates are connected with the upper cover plate and the lower support plate. Wherein an arc-shaped protrusion is machined at one end of the inner side face of the chain link plate located on one side, a rectangular groove is machined in the other end of the inner side face of the chain link plate located on one side, a rectangular protrusion is machined at one end of the outer side face of the chain link plate located on the other side, an arc-shaped groove is machined in the other end of the outer side face of the chain link plate located on the other side, and guide grooves are formed in the middle positions of the surfaces of the arc-shaped protrusion and the rectangular protrusion. According to the connecting structure, on one hand, the connecting stability between the adjacent drag chain link plates is improved through the embedded magnetic attraction ring structure, meanwhile, the guiding structure is specially designed to guide rotation of the drag chain link plates, the dislocation phenomenon after long-time use is reduced, and the working stability and reliability of the drag chain are improved.

The utility model relates to the technical field of special-shaped chains, in particular to a special-shaped chain. According to the technical scheme, the special-shaped chain comprises a special-shaped chain body, the special-shaped chain body comprises a plurality of special-shaped chain blocks, each special-shaped chain block comprises a connecting tail block, a connecting head block is arranged on the rear side of each connecting tail block, a connecting groove is formed in the rear side of each connecting head block, and first pin holes are formed in the left side and the right side of each connecting tail block in a penetrating mode. According to the special-shaped chain, the plurality of special-shaped chain blocks, the fixing blocks, the connecting plates, the triangular blocks, the connecting pins, the pin heads, the pin caps and the U-shaped limiting blocks are arranged, so that the special-shaped chain bodies with different lengths can be combined according to requirements, can be connected end to end, can be quickly disassembled and assembled, can be disassembled and assembled without a tool, is convenient to maintain, and is convenient to use. The maintenance efficiency is improved, the connecting plates can be limited by arranging the inserting grooves to the blocking pieces, connection is more stable, and convenience is provided during disassembly by arranging the lug plates to the hook plates.

An investment cast, stainless steel chain link for use a part of a chain. The chain link includes a pair of spaced first and second sidebars that each extend between forward and rear ends of the chain link. A reinforcing rib is formed on each sidebar and is flush with the forward and rear ends of the chain link. A barrel is formed at the rear end of the sidebars. The forward end of the sidebars includes either a first or a second attachment boss. The first attachment boss includes a pin head receptacle that allows the head of the chain pin to be flush with an outer surface of the first attachment boss. A retaining pin extends through the second attachment boss to prevent axial movement of the chain pin. In one embodiment, the chain pin is rotatable and, in another embodiment, the chain pin is prevented from rotating.

The application provides a rigid chain for a lifting platform, which comprises a first chain and a second chain arranged at intervals, the first chain and the second chain each comprise a plurality of chain links connected in sequence, each chain link comprises a first chain plate and a second chain plate arranged oppositely, adjacent chain links are movably connected through a pin shaft, the first chain plate and the second chain plate each have a first arc surface, a second arc surface and a third arc surface arranged towards the other chain, a plurality of clamping teeth are arranged at intervals on the third arc surface, when the first chain and the second chain are converted between a horizontal storage state and a vertical bearing state, in the vertical bearing state, the clamping teeth on the first chain and the clamping teeth on the second chain are engaged with each other to limit the first chain and the second chain from separating in a direction away from each other, and the application solves the problems of insufficient stability of the existing rigid chain in the vertical bearing state and poor tightness of the double-chain connection.

The present invention relates to a composite elongated body (3), comprising high performance polyethylene HPPE filaments (2) having a tenacity of at least 0.6 N / tex and a polymeric composition throughout (10) the composite elongated body, wherein the polymeric composition comprises a thermoplastic ethylene copolymer and a lubricant; and wherein the thermoplastic ethylene copolymer is a copolymer of ethylene and wherein said polymeric composition has a peak melting temperature in the range from 40 to 140°C, measured in accordance with ASTM E794-06. The present invention further relates to a lengthy body, an article and a crane comprising the composite elongated body; a method of manufacturing a composite elongated body; a method of manufacturing a lengthy body; and use of a polymeric composition.

The utility model provides a kind of multiple combination sealing type roller chain, belong to roller chain technical field.It includes pin shaft and respectively the outer chain plate of being set in the both ends of pin shaft, bushing is set in pin shaft, bushing both ends are respectively set with inner chain plate, roller is set in bushing, clearance fit is formed with lubricating portion between pin shaft and bushing, oil supply path is equipped in pin shaft with lubricating portion intercommunication, bushing both ends are respectively equipped with combination sealing assembly, combination sealing assembly includes the first sealing structure being arranged between bushing and outer chain plate, second sealing structure is also equipped between outer chain plate and inner chain plate outside the first sealing structure side.Lots of sealing structures form multiple sealing barrier in bushing end portion, ensure that can effectively block particle impurity and seawater penetration, can effectively prolong the retention time of lubricating oil, significantly improve the sealing effect and sealing life of bushing end portion.

The invention relates to a rigid chain, and belongs to the technical field of transmission chains, the rigid chain comprises a first chain and a second chain, the opposite sides of the first chain and the second chain are mutually engaged to form a rigid chain body, and the opposite sides of the first chain and the second chain are respectively provided with a first rack groove and a second rack groove along the length direction; by the adoption of the structure, the first rack groove and the second rack groove are formed in the opposite sides of the first chain and the second chain, so that the first chain and the second chain can be matched with the driving gear in a meshed mode, and the transmission mode that a traditional rigid chain uses a chain wheel to be meshed with a hole between a splicing shaft is abandoned; by adopting the meshing transmission of the rack groove and the gear, the meshing contact range is expanded, the stress balance in the transmission process is improved, the torsional rigidity in the transmission process can be enhanced, the shaking or tooth disengagement phenomenon in the operation process is avoided, the overall bearing capacity and transmission stability are remarkably improved, and the large-load and high-stability transmission requirements can be met.

The invention relates to the technical field of chain transmission, and provides a link unit which comprises a first chain link and a second chain link, and the first chain link and the second chain link are movably connected. The first chain link is provided with a first matching part, and the second chain link is provided with a second matching part; the first connecting piece is detachably and fixedly connected and matched with the first matching part and the second matching part respectively; the system further comprises a first deployer, and a guide structure is arranged in the first deployer. When the linking unit is in the first state, the first connecting piece is fixedly connected with the first matching part and the second matching part through the guide structure, and the first chain link and the second chain link are locked; when the linking unit is in the second state, the first connecting piece is fixedly connected with the second matching part through the guide structure, and the first chain link and the second chain link are unlocked; it is guaranteed that the link units reliably switch the rigid state and the flexible state, the deployment convenience degree is improved, the failure rate is reduced, and the structural strength after deployment is guaranteed.

The invention relates to the technical field of mechanical transmission, in particular to a precise miniature chain system which comprises pin shafts, the side walls of the ends of the two parallel pin shafts are connected with the side wall of an outer chain plate through spot welding, the pin shafts and the outer chain plate form an outer chain link, the ends of a sleeve A and a sleeve B which are parallel are connected with the side wall of an inner chain plate through annular welding, and the inner chain plate is connected with the outer chain link. The sleeve A is matched with the pin shaft of one outer chain link in an inserted connection mode, the sleeve B is matched with the pin shaft of the other outer chain link in an inserted connection mode, the sleeve A, the sleeve B and the inner chain plates form the inner chain links, the inner chain plates are arranged between the two outer chain plates, the inner chain links and the outer chain links are alternately connected to form the whole chain, and the inner chain links and the outer chain links are respectively introduced into the manufacturing process of ring welding and spot welding. The problem that connection is not firm due to the fact that the interference magnitude of fit between whole chain components of a micro chain is small is effectively solved, and the service life of the chain is prolonged.

A CVT steel belt system belongs to the technical field of CVT transmissions and comprises a plurality of first chain pieces and a plurality of second chain pieces distributed among the first chain pieces at equal intervals, the two sides of the first chain pieces and the two sides of the second chain pieces are provided with highly-asymmetric saddles respectively, and the two sides of the first chain pieces and the two sides of the second chain pieces are connected in series through first steel ring modules and second steel ring modules respectively. Limiting structures used for restraining the first steel ring module or the second steel ring module are arranged on the two sides of the second chain piece, the first steel ring module and the second steel ring module are matched with the corresponding saddles and each comprise a plurality of steel rings which are stacked up and down, and the steel rings which are stacked up and down form a strength and toughness gradual change structure. Two pushing piece structures with asymmetric saddle heights are designed, lateral limiting of the steel ring module can be achieved, steel rings of different layers can be reasonably arranged, the design redundancy is reduced, meanwhile, the strength and toughness of the steel rings are reasonably optimized, and by means of the steel ring combination mode with the strength gradually changed from bottom to top, the stability of the steel ring module is improved. And the use performance of the steel belt system is improved.

The utility model discloses a wear-resistant mute chain which is formed by sequentially connecting a plurality of chain links, each chain link comprises two parallel chain plates, two pin shafts and two sleeves, shock pad layers are arranged on the surfaces of the inner sides of the chain plates, and lubricating grease retaining rings are arranged between the pin shafts and the sleeves. The shock pad layer on the inner side of the chain plate can effectively absorb vibration and reduce noise. The lubricating grease retaining ring can store lubricating grease, keep a good lubricating state of the chain, reduce friction and further reduce noise.

A chain connector (100) is disclosed. The chain connector comprises a chain connector body (105) comprising an opening (110) for enabling the chain connector to be coupled to a chain link (205) of a first chain (200). The chain connector comprises a bridge member (115) pivotably coupled to the chain connector body and configured to selectively bridge the opening. The chain connector comprises a locking member (120) moveably coupled to the chain connector body and configured to engage with the bridge member to lock the bridge member in a closed position bridging the opening.

The utility model discloses a high-strength long-service-life steel coil driving saddle-shaped transmission part chain which comprises a first chain body and a second chain body, and a plurality of steel plates are connected between the first chain body and the second chain body. The first chain and the second chain are the same in structure, each of the first chain and the second chain comprises a plurality of chain links and outer chain plates rotationally connected with two adjacent chain links, each chain link comprises two inner chain plates and two pin shafts arranged between the two inner chain plates and located at the two ends, the pin shafts are sleeved with rollers, and saddle-shaped surfaces are formed in the outer walls of the rollers. Compared with the prior art, the utility model has the following benefits: the structure is simple, the transmission continuity can be increased due to the arrangement of the saddle-shaped surface, and a steel coil driving structure can be realized by matching with a steel plate.

A transmission mechanism and a mute chain thereof are provided, the transmission mechanism includes a mute chain and a fluted disc, the mute chain includes a plurality of inner links, a plurality of outer links arranged outside the inner links in a staggered manner, and a plurality of pivots connecting the outer links and the inner links in series. Each inner chain link comprises an inner chain body made of a non-metal material and an inner piece unit arranged on the outer side of the inner chain body, and the inner chain body is provided with a meshing protruding part protruding in the meshing direction. Each outer chain link comprises two outer pieces which are oppositely arranged and arranged on the outer sides of the adjacent inner chain links respectively, and the outer chain links and the adjacent inner chain links are matched to define meshing spaces. The fluted disc comprises a ring body and a plurality of meshing teeth, the meshing teeth are meshed in the meshing space, and every two adjacent meshing teeth are matched to define a tooth bottom used for meshing of the meshing protrusions. Through the structural design of the mute chain and the fluted disc, the high-strength characteristic of an existing chain and the vibration low-noise characteristic of a transmission belt can be fused, and a brand-new transmission component with high transmission performance is generated.

A climbing device (4) comprising a wall fixing mechanism (8), comprising at least one movable end (12), from a closing configuration to an opening configuration, adapted to be inserted into a crack or a hole in said closing configuration and to interlock in said crack or hole in said opening configuration, a main body (16) provided with a drive mechanism (20) operatively connected to said at least one movable end (12), so as to allow the shifting from the closing configuration to the opening configuration, and also with a coupling ring (24), arranged opposite to the at least one movable end (12) with respect to the drive mechanism (20), - wherein a flexible strap (28) is arranged inside said coupling ring (24). The flexible strap (28) comprises at least one piece of inner wire (32) extending from a first inner end (36) to a second inner end (40), repeatedly wound so as to form a plurality of overlapping rings (44), said first inner end (36) and second inner end (40) being joined together at an inner junction point (48), an outer tubular sock (52), wrapping said overlapping rings (44) and extending from a first outer end (56) to a second outer end (60). The first outer end (56) and the second outer end (60) are coupled to each other at an outer junction point (64).

A mute tooth-shaped chain transmission system of a motorcycle relates to the technical field of chain transmission and comprises a driving chain wheel, a driven chain wheel, a mute tooth-shaped chain, a tensioning plate, a guide plate and an oil injection mechanism, the mute tooth-shaped chain is connected between the driving chain wheel and the driven chain wheel in a transmission mode, the tensioning plate is arranged on one side of a loose edge of the mute tooth-shaped chain, and the guide plate is arranged on one side of a tight edge of the mute tooth-shaped chain. An oil injection mechanism is arranged on the side, close to the driving chain wheel, of the upper portion of the tensioning plate, the oil injection mechanism is connected with the back face of the loose edge of the mute tooth-shaped chain through an oil guide groove formed in the tensioning plate, and the oil injection mechanism, the tensioning plate and the guide plate are fixedly connected with a motorcycle frame. The operation stability of the motorcycle transmission system can be effectively improved, noise is reduced, and the service life of the system is prolonged.

The utility model discloses an agricultural machinery chain with reinforcing ribs, which belongs to the technical field of chains and is characterized in that symmetrical sleeves are fixedly arranged on the inner side of a fixed inner chain plate, a movable inner chain plate is mounted on the outer side of the sleeves, and outer chain plates matched with the sleeves are mounted on the outer sides of the fixed inner chain plate and the movable inner chain plate; outer limiting grooves are formed in the outer walls of the outer chain plates, outer plug pins for limiting the outer chain plates on the two sides are installed in the sleeves, and outer limiting bosses matched with the outer limiting grooves are arranged on the two sides of the outer plug pins. Inner limiting grooves coaxial with the inner cavity are formed in the two ends of the outer plug pin, an inner plug pin is installed in the inner cavity, and inner limiting bosses matched with the inner limiting grooves are arranged at the two ends of the inner plug pin. Reinforcing ribs are embedded in the inner walls of the outer chain plates. The strength of the outer chain plates on the two sides can be improved through the outer plug pins and the inner plug pins which are coaxially arranged, the anti-stretching capacity can be improved through the reinforcing ribs of the I-shaped structure, the outer chain plates are prevented from being torn from the middle when stress is too large, the stability is improved, and the service life is prolonged through the design.

The utility model discloses high stability cement chain, it includes inner chain plate, the inner chain plate is connected with outer chain plate through pin shaft and sleeve cooperation, be equipped with dustproof gasket and O type sealing ring between the inner chain plate and outer chain plate, the dustproof gasket is adapted to install in the clearance between inner chain plate and outer chain plate, through the above component nitrile rubber O type sealing ring not only is resistant to grease erosion in cement production environment, and its elasticity can also buffer the sealing gap change that chain plate vibration brought, ensure that the sealing effect long -term stability, dustproof gasket then through structural compatibility bears the pressure of sealing ring, avoid single sealing piece excessive wear and tear, and the synergic system that both with high -strength carbon steel chain plate, alloy steel sleeve and pin shaft form, make chain in the complex environment of dust, vibration, high load coexist, still can keep operation reliability, and the overall efficiency of cement production equipment has been improved comprehensively.

The utility model discloses a wear-resistant chain connecting piece, and relates to the technical field of chain connecting pieces, the wear-resistant chain connecting piece comprises a chain piece, the chain piece comprises chain segments, the two chain segments are combined into one chain piece, the chain segments are the same in shape, adjusting assemblies are arranged on the outer walls of the two adjacent sides of each chain segment, and the adjusting assemblies are matched with the chain segments. The outer walls of the chain pieces are coated with wear-resistant pads. According to the utility model, the wear-resistant pads protect the edges of the chain pieces and prevent the chain pieces from being worn in the working process, the chain pieces are made of high-manganese alloy, the wear resistance is better, and the wear resistance of the chain pieces is further improved through the combination of the wear resistance of the chain pieces and the wear resistance of the wear-resistant pads, so that the chain pieces are more durable and not easy to wear; the weight of the chain piece is reduced through the empty groove design of the weight reducing groove, the chain piece is lighter, compared with a traditional chain connecting piece, the abrasion resistance of the chain piece is remarkably improved, meanwhile, the chain piece is lighter, and the chain piece better conforms to the lightweight design of a chain.

A chain link for a link chain has two legs running parallel to one another, and connected to one another at the ends via curves. The legs and curves are circular in cross-sections. The legs have smaller cross-sectional areas compared to the cross-sectional areas of the curves. The chain link is manufactured by radial forging with: providing a profile bar, and the profile bar is made of a steel material, inserting the profile bar into a radial forging machine and radial forging with reduction of the diameter of the profile bar in longitudinal portions, so that the profile bar is axially stretched in the forged longitudinal portion, wherein the diameter is reduced at least in the region of the later legs, and removing the radially forged chain link semi-finished product and forming the profile bar into a chain link as well as welding the front ends of the formed chain link.

A bicycle chain belongs to the technical field of chain transmission and comprises a chain body formed by assembling an inner chain plate, an outer chain plate, a pin shaft and a roller, the inner chain plate is provided with a first tangent plane system, the outer chain plate is provided with a second tangent plane system, and the first tangent plane system and the second tangent plane system are used in cooperation to achieve noise reduction and speed change promotion. According to the bicycle chain, details of parts of the bicycle chain are improved, the first tangent plane system is arranged on the inner chain plate, the second tangent plane system is arranged on the outer chain plate, and through cooperation of the first tangent plane system and the second tangent plane system, the transmission noise of the bicycle chain can be further reduced, the speed change efficiency is improved, and the riding comfort is improved.

The utility model relates to chain technical field, and disclose a kind of self-adapting multi-pitch transmission special-shaped chain, including several outer chain plates, several outer chain plates are a group and are horizontally opposite, the front end of each pin shaft side wall is equipped with first jack, two the bolt is respectively inserted in adjacent first jack, the middle part of second connecting block top surface is equipped with threaded hole, the middle part of first connecting block is connected with bolt with screw thread, the lower end of bolt is connected in threaded hole with screw thread. The device can twist bolt by socket wrench, socket wrench and bolt head are closely combined, and it is not easy to appear slip phenomenon, so even if chain surface is coated with lubricating oil, it can also ensure that bolt is twisted smoothly, greatly facilitate the dismounting operation of outer chain plate, significantly improve the dismounting efficiency, the lower end of bolt can be accurately guided using guide opening, to ensure that bolt can be accurately inserted into first jack, to further improve the dismounting efficiency.

The application provides a flexible roller chain conversion to rigid connection push-pull device, belongs to mechanical transmission technical field, including speed reducer and the operating mechanism installed below the speed reducer, the operating mechanism includes drive assembly and push-pull assembly;The drive assembly includes fixed frame, coupling sleeve, key body, shaft body, bearing and connecting body, the left side of the speed reducer is equipped with fixed frame, and the bottom of the speed reducer is equipped with coupling sleeve;The flexible roller chain conversion to rigid connection push-pull device provided by the application, when using, the guide block can rotate in the interior of the device through the top rivet pin, in the use process, the guide block is pressed to move left by the clamping column, then is inserted into the interior of the guide slot on the left side, the guide block arranged in sequence is inserted into the guide slot on the left side under the action of the clamping column in turn, when the roller chain disc rotates to 360 °, the roller chain mechanism is all stretched out, at this time, the stretched out roller chain mechanism forms relatively rigid connection, realizes the conversion of flexible to rigid.

The utility model relates to the technical field of chain installation, in particular to a chain connecting ring quick installation and locking mechanism which comprises a chain body, installation columns are installed at the positions, close to the two sides, of the top end and the bottom end of the chain body, and installation holes are formed in the installation columns. The connecting rings are used for connecting and installing the two groups of chain bodies, the number of the connecting rings is two, annular grooves are formed in the top surfaces of the two groups of connecting rings, a plurality of groups of limiting balls are movably hinged to the inner walls of the two groups of connecting rings, and the rotating disc is used for installing the connecting rings and the chain bodies. A plurality of anti-skid grooves are formed in the side surface of the rotating disc. Through the arrangement of parts such as the mounting column, the mounting hole, the connecting ring, the annular groove, the limiting ball, the connecting plate, a rotating disc, an anti-skid groove, a cross-shaped groove, a mounting ring, a rolling ball and a screw rod, the problems that when an existing connecting ring and a chain are mounted, operation is tedious, the mounting time is long, and the mounting efficiency is reduced can be effectively solved.