192results about "Chain links" patented technology

The present invention provides a closed anti-disconnection and noise-reducing micro cable carrier. A limiting structure is provided between two adjacent chain links. The limiting structure includes a limiting groove provided on one of the chain links, and a limiting block provided on the adjacent other chain link and adapted to be connected with the limiting groove. The limiting block has a first surface opposite to the bottom wall of the limiting groove. By providing a damping member on one of the first surface and the limiting groove, the damping member is adapted to slide and friction with the mating surface opposite thereto when the limiting block rotates, and the damping member has elasticity. In this way, before the limiting block rotates to contact the side wall of the limiting groove, its contact speed and collision force with the side wall of the limiting groove will be reduced due to the action of the frictional force and the elastic damping force. Compared with the prior art, this has a better noise reduction effect.

A band includes at least three members pivotably connected to one another so as to be pivotable between open and closed positions. A first member includes first and second permanent magnets disposed at opposite ends thereof, a second member includes a third permanent magnet and a third member includes a fourth permanent magnet. The first and second members are configured such that when they are pivoted with respect to each other past a threshold position toward the closed position, they are biased toward the closed position by forces created by the first and third magnets and when they are pivoted with respect to each other past the threshold position toward the open position, they are biased toward the open position by forces created by the first and third magnets. The first and third members are similarly biased by forces created by the second and fourth magnets.

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 keel chain structure and belongs to the technical field of keel chains. Comprising a plurality of keel units which are hinged and matched end to end, one end of each keel unit is provided with a chain link convex part, the other end of each keel unit is provided with a chain link concave part, and the chain link convex part of one keel unit is hinged to the chain link concave part of the other keel unit through a connecting shaft between every two adjacent keel units; the connecting shaft penetrates through the chain link convex part and the chain link concave part which are connected, the interior of the connecting shaft is hollow and is filled with lubricating oil, a horizontal groove is formed in the surface of the connecting shaft, a ball is embedded in the bottom of the horizontal groove, one part of the ball is located in the cavity of the connecting shaft, and the other part of the ball is located in the horizontal groove and is flush with the outer edge face of the connecting shaft. According to the utility model, the self-lubricating structure is arranged, so that the smooth use effect during long-term use is ensured, each unit is convenient to disassemble and assemble, the later maintenance and the supplement of lubricating oil are facilitated, and the overall use is convenient.

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.

The invention discloses a CVT (continuously variable transmission). Telescopic one-way ratchets are arranged at the two ends in a steel chain unit hole, and a spring is arranged between the two one-way ratchets to achieve the telescopic effect. A plurality of positive and negative ratchets can axially stretch out and draw back the chain units and are connected into a complete steel chain through pin shafts. Forward and reverse one-way ratchets capable of axially stretching out and drawing back on the steel chain and one-way ratchets fixed on left and right cone discs of the driving and driven reducing wheels are in transmission in a right-angle-to-right-angle meshing mode, and the problem that the CVT does not slip during stepless speed change is solved.

The present invention relates to an anchoring point for fixing to an object to be fixed and / or transported, comprising a connecting member (4, 5) for connecting the anchoring point (1) to the object to be fixed and / or transported, the connecting member comprising an eyelet arc segment (6) for connecting a body (7) and a connecting eyelet (8) for connecting an anchoring or tying member which is hooked into the eyelet arc segment (6), the connecting eyelet (8) having a smaller radius in its arc segment (10) hooked into the eyelet arc segment (6) than in its other arc segment (9), and the connecting eyelet (8) carrying two separating elements (13, 13.1) which are arranged opposite to each other with respect to their longitudinal axes and extend into an inner cavity I surrounded by the connecting eyelet (8). The particularity lies in that the connecting eyelet (8) is arranged relative to the separating element (13, 13.1) with respect to its central fiber M and carries on the outside a protruding movement limiting stop (15) for limiting the penetration depth of the connecting eyelet (8) into the eyelet arc segment (6), together with a separating element (13, 13.1) protruding on the inside and also constructed as a movement limiting stop (14), through which the maximum diameter of the section of the connecting eyelet (8) carrying the movement limiting stop (14, 15) is greater than the net width of the eyelet arc segment (6), wherein the contour forming the movement limiting stop (14, 15) is shaped so that there is essentially only linear contact between the movement limiting stop (14, 15) and the eyelet arc segment (6) in the anchoring device.

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 invention relates to a chain link (1) for a link chain (2), the chain link (1) having two limbs (4, 5) running parallel to one another which are connected to one another at their ends via rounded portions (6, 7). The limbs (4, 5) and the rounded portions (6, 7) of the chain link (1) are circular in their respective cross sections (8, 9, 10, 11), the limbs (4, 5) having smaller cross-sectional areas (8, 9) as compared to the cross-sectional areas (10, 11) of the rounded portions (6, 7). The chain link (1) is produced by radial forging with the following method steps: - providing a profile bar (18), the profile bar (18) being formed of a steel material, - inserting the profile bar (18) into a radial forging machine (24) and performing a radial forging operation with a lengthwise reduction of the diameter (D18) of the profile bar (18), so that the profile bar (18) is axially oriented in the forged length portion, the diameter (D18) being reduced at least in the region of the later limbs (4, 5), - removing the radially forged chain link semi-finished product (19) and shaping to form a chain link (1) and welding terminal ends (23) of the shaped chain link (1).

The utility model belongs to the technical field of drag chains, particularly relates to a drag chain with a positioning and inserting function, and aims to solve the problem that the drag chain in the background technology is easy to mistakenly install, the drag chain comprises a drag chain assembly, symmetrically distributed side plates are arranged in the drag chain assembly, bosses are arranged on the outer walls of one sides of the two side plates, and the bosses are arranged on the outer walls of the other sides of the two side plates. A first protruding block and a second protruding block are fixedly connected to the outer walls of one sides of the two bosses correspondingly. According to the utility model, the bosses cannot be mounted in the positioning grooves when the bosses are mounted reversely, so that the possibility of reverse mounting is avoided, the manual observation time is saved, the quick positioning function is realized, the difficulty in assembly is further reduced, two bumps with different sizes are additionally arranged on the two bosses with different sizes, and the assembly efficiency is improved. The first protruding block corresponds to the first inserting opening, the second protruding block corresponds to the second inserting opening, the effect of rapid positioning is achieved, and the assembling difficulty is further lowered.

The present invention relates to an elongated composite (3) comprising high performance polyethylene HPPE filaments (2) having a toughness of at least 0.6 N / tex, and a polymer composition (10) present throughout the elongated composite, the polymer composition comprising a thermoplastic ethylene copolymer, and a polysiloxane, the thermoplastic ethylene copolymer being a copolymer of ethylene, and the polymer composition having a peak melting temperature in the range of 40-140°C.

A connecting link comprises a connecting pin, a first link plate, a second link plate, and a nut member. The connecting pin has an external thread portion and a frustum-shaped portion. The first link plate has holes at one end and the other end in the longitudinal direction. At least one of the holes at one end and the other end of the first link plate constitutes a first pin hole. The second link plate has holes at one end and the other end in the longitudinal direction. At least one of the holes at one end and the other end of the second link plate constitutes a second pin hole. The nut member can be screwed into the external thread portion of the connecting pin. According to the connecting link of the present invention, unnecessary elongation of the chain after cutting and reconnecting can be suppressed.

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 invention relates to the technical field of drag chains, in particular to a drag chain with a locking structure, which comprises a first protective part and a second protective part, the clamping piece comprises a first clamping assembly part and a second clamping assembly part which are arranged on the first protection piece and the second protection piece in a one-to-one correspondence manner; the locking piece comprises a first connecting part which is arranged on the first protection piece; the second connecting part is arranged on the second protection piece; the locking part is used for being assembled with the first connecting part and the second connecting part in a locking mode to limit separation of the first connecting part and the second connecting part, and the length direction of the locking part is parallel to the length direction of the protection space. The drag chain can effectively avoid exposure of a protection space caused by factors such as violent disassembly and assembly and violent vibration of equipment, meets the requirement for long-term stable work of the drag chain, is low in cost and facilitates popularization and application of the drag chain.

The utility model relates to the technical field of scraper conveyer chain connection, and discloses a scraper conveyer chain connector which comprises a chain body, a hydraulic cylinder is arranged on one side of the chain body, the output end of the hydraulic cylinder is fixedly connected with a first connecting block, one side of the first connecting block is rotationally connected with a first connecting lock chain, and the other side of the first connecting block is rotationally connected with a second connecting lock chain. The other end of the hydraulic cylinder is fixedly connected with a second connecting block, one side of the second connecting block is rotationally connected with a second connecting lock chain, and one end of the first connecting lock chain and one end of the second connecting lock chain are rotationally connected with third connecting blocks. When the chain connecting device is used for connecting the chain at the scraper part of the scraper conveyer, the ends of the chain can be pulled to a proper area without manually pulling the ends at the two ends of the chain, so that the manpower loss is greatly reduced, and the safety of the chain connecting work is also improved.

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.