300results about "Driving chains" patented technology

A high-speed silent chain transmission system for an electric vehicle, relating to the field of chain transmission. The high-speed silent chain transmission system comprises a chain (1) and a sprocket wheel (2); the chain (1) comprises inner chain links (11); every two adjacent inner chain links (11) are connected by means of an outer chain plate (12); each inner chain link (11) comprises an inner chain plate (13); the inner side of the inner chain plate (13) is provided with two inner engagement teeth (132); each inner engagement tooth (132) has two engagement surfaces (131); the sprocket wheel (2) is provided with outer engagement teeth (21); each inner chain link (11) is internally provided with at least one shock absorption chain plate (14), and the inner side of the shock absorption chain plate (14) is provided with shock absorption teeth (141); each shock absorption tooth (141) has shock absorption surfaces (142), and a plurality of engagement protrusions (145) are distribution on each shock absorption surface (142); a shock absorption pad (3) made of an elastic material is provided on the sprocket wheel (2), and the shock absorption pad (3) is located on the side surfaces of the outer engagement teeth (21). The high-speed silent chain transmission system can adjust the damping characteristic of the chain, reduce the noise of the chain transmission system in a shock absorption mode, and expand the application scenario of the chain transmission system.

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.

A variety of transmission mechanisms are provided that include split pulleys nested within each other in order to reduce the size of the transmissions, to provide infinitely variable transmission ratios that include forward and reverse ratios, or to provide some other benefits. These transmissions include "W"-shaped belts, having both contact surfaces that are directed outward from the belt and inward, toward a center-line of the belt, to contact the pulleys with respective different inward- and outward-directed contact surfaces. Accordingly, the surfaces at which the belt contacts the different pulleys may be substantially the same with respect to a hinge or other structure of the belt. This improvement may permit higher levels of power transmission, increased efficiency, and increased transmission lifetime. Additionally, variable-eccentricity variable transmissions are provided wherein the eccentricity of rotation of an inner, nested pulley varies with changes in the transmission ratio of the transmission.

A bicycle chain (1) includes a plurality of inner links (2) and a plurality of outer links (3) connected alternately. Each of the inner links (2) includes a pair of left and right inner plates (21), a pair of front and rear bushes (22), and a pair of front and rear rollers (23) externally fitted to the bushes (22). Each of the outer links (3) includes a pair of left and right outer plates (31), and a pair of front and rear pins (32) that connects the outer plates (31) in a state of being inserted into the bush (22). The outer plate (31) has a pair of front and rear pin holes (h2) into which opposite end portions of each pin (32) are press-fitted. The pin (32) is a cylindrical hollow pin having an inner diameter (R1) and an outer diameter (R2). A shear strength of the pin (32) is equal to or greater than each tensile strength of the inner plate (21) and the outer plate (31). An inner / outer diameter ratio obtained by dividing the inner diameter (R1) of the pin (32) by the outer diameter (R2) of the pin (32) is 0.2 or more and 0.65 or less.

A joint link (14) includes joint pins (33), a first link plate (31), and a second link plate (32). The joint pins (33) each have a first male threaded portion (36) at the base end. The joint pins (33) also each have, on the distal side of the first male threaded portion (36), a first frustum-shaped portion (38), the cross-sectional area of which gradually increases toward the base-end side. The first link plate (31) has holes at both longitudinal ends through which the joint pins can be inserted. At least one of the holes at both ends constitutes a first pin hole (44) having a female threaded portion into which a first male threaded portion can be screwed, and an inner surface (44a) with a concave conical surface shape corresponding to the outer surface (38a) of the first frustum-shaped portion. The second link plate (32) has holes at both longitudinal ends through which the joint pins can be inserted. At least one of the holes at both ends constitutes a second pin hole (48) into which the tip end of a joint pin can fit.

The utility model relates to the technical field of roller chains, in particular to a roller chain for reinforced parking equipment, which comprises two groups of chain plates, through holes are formed in positions, close to two ends, of one sides of the two groups of chain plates, chain wheels are movably assembled in positions, close to two ends, of the inner sides of the two groups of chain plates, and oil filling pipes are inserted into the through holes. One end of each oil injection pipe is communicated with a flow dividing disc, a plurality of sets of lubricating holes are formed in one side of each flow dividing disc, oil injection holes are formed in the positions, close to the other ends, of the side surfaces of the oil injection pipes, and magnet blocks are installed at the positions, close to the outer sides of the oil injection holes, of the side surfaces of the oil injection pipes. Through the arrangement of the oil filling pipe, the flow dividing disc, the lubricating hole, the oil filling hole, the magnet block, the T-shaped groove, the T-shaped block, the magnet piece, the connecting plate, the cover plate and other parts, the problem that after an existing roller chain is used for a long time, part of the roller chain is likely to be astringent due to friction and abrasion between structures, and then follow-up use is likely to be affected can be effectively solved.

To provide an offset link capable of exhibiting high strength and a manufacturing method therefor.SOLUTION: An offset link has: a thick wall part 11; a first thin wall part 12 formed so as to extend toward one end of the thick wall part 11; and a second thin wall part 13 formed so as to extend toward the other end of the thick wall part 11. The first thin wall part 12 and the second thin wall part 13 are arranged so that they are offset from each other in a thickness direction of the thick wall part 11. A first side surface 111 formed on the one end side of the thick wall part 11 and a second side surface 112 formed on the other end side of the thick wall part 11 are both formed on concave cylindrical surfaces. Consequently, the thick wall part 11 has extension parts 113 extending toward the one end and the other end.SELECTED DRAWING: Figure 1

A sprocket is provided for a carrier link chain system which has a chain and a carrier link. The sprocket contains a unitary body which has three shaped sections including a central shaped section and two outer shaped sections sandwiching the central shaped section. The central shaped section has teeth for moving the chain of the carrier link chain. The two outer shaped sections have protrusions extending from a circumference and defines a path through which sides of the carrier link traverse and preventing a side-to-side movement of the carrier link and the chain links. The sprocket prevents jamming issues currently seen when a carrier link twists and causes the chain to jump off of the sprocket or the carrier link gets jammed against other portions of the conveyor system.

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 invention relates to a transport device (100), more particularly for transporting product carriers in a plant for producing food products. The transport device (100) comprises: - at least one chain (1), on which measurement marks (4) are mounted; - an electric drive system (20) for driving the chain (1), which electric drive system comprises a servomotor (25) and an absolute encoder (21); - a plant control unit (30); and - a measuring sensor (11) for sensing the measurement marks (4) with a switching frequency of greater than 2000 / s. The plant control unit (30) comprises a first input (34) for receiving measurement data from the measuring sensor (11) and a second input (35) for receiving position data from the position sensor (21) and is designed to receive data from the measuring sensor (11) and from the position sensor (21), to mutually correlate said data correctly with respect to time, to determine, therefrom, lengths between measurement marks (4), more particularly between two consecutive measurement marks, and to produce a signal which provides information about the quality of the chain. A servo position actual value is ascertained by means of oversampling.

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.

A track pin assembly includes a pin having a first axial end and a second axial end configured to engage a respective outer link of a joint, a first cavity which defines a tank for containing lubricating oil or grease, and a second cavity arranged at the second axial end of the pin and open at the second axial end of the pin. A sensor, arranged in the second cavity, includes a sensor element configured to measure a temperature and to generate a signal indicative of the measured temperature, and a transmitter configured to irradiate a measuring signal that is representative of the signal generated by the sensor element. A power source, arranged in the second cavity, is configured to constantly supply the sensor.

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 utility model relates to the technical field of chain structures, and discloses a step roller type chain structure convenient to disassemble, which comprises a front side outer chain connecting plate, a front side inner chain connecting plate, an internal support pin bush, a connecting pin shaft, a rear side inner chain connecting plate I and a rear side inner chain connecting plate II, a front side inner chain connecting plate and a first rear side inner chain connecting plate are connected to the side face of the inner supporting pin sleeve in a sliding mode, and a front side outer chain connecting plate and a second rear side inner chain connecting plate are connected to the outer side of the front side inner chain connecting plate and the outer side of the first rear side inner chain connecting plate in a sliding mode. The inner sides of the front side outer chain connecting plate, the front side inner chain connecting plate, the inner supporting pin sleeve, the first rear side inner chain connecting plate and the second rear side inner chain connecting plate are rotationally connected with connecting pin shafts. According to the step roller type chain structure, traditional limitation is broken through, a damaged part is convenient to disassemble and replace, the chain purchasing cost is saved, and the resource utilization rate is increased; the special design enables the chain to be uniformly stressed, prolongs the service life, and guarantees the stable operation of a mechanical transmission system.

The present invention relates to a pocket sprocket (1) for driving and / or changing the direction of a diagonally running link chain, particularly a round steel chain. The pocket sprocket (1) comprises a grooved chain receiving section (12) having two rows (14) of pockets (16) that extend circumferentially (4) and are offset from each other in the circumferential direction. Each pocket (16) is capable of accommodating one chain link of a link chain. Two circumferentially adjacent pockets in one row (14) are separated from each other by a single tooth (18). To fix the link chain in place and create planar support for the chain links, the present invention provides a groove-shaped recess (24) at the bottom of each pocket, the recess being designed to complement an outer contour extending from one bow of one chain link to the other bow of the same chain link. Thus the recess (24) forms a support for the chain link into which the chain link can be fitted. The recess (24) stabilizes the position of the round steel chain while it is in motion. At the same time, the planar support reduces noise during operation. Finally, the bed (24) formed by the recess for the chain link prevents the chain link from riding up, thereby preventing tooth skipping that may occur as the link chain travels over the pocket sprocket.

The chain suitable for the three-dimensional path is formed by connecting a plurality of chain units of the same structure end to end, each chain unit comprises at least two chain links, the chain links in the chain units are rotationally connected end to end, and the rotating connection in the chain units at least comprises a horizontal rotating connection and a horizontal rotating connection. In every two adjacent chain units, the tail end of the last chain link of the front chain unit is perpendicularly and rotationally connected with the head end of the first chain link of the rear chain unit, and a matching structure meshed with the chain wheel is arranged on each chain unit. According to the chain suitable for the three-dimensional path, the chain links can vertically rotate relative to one another through the horizontal pin shafts, the chain links can horizontally rotate relative to one another through the vertical pin shafts, and therefore the chain can be suitable for the application scene that the motion path exceeds one plane and can be suitable for the working condition that the motion path is complex; the limitation of the movement path of a traditional chain is reduced, and the service life of the chain can be effectively prolonged.

The utility model relates to the technical field of chains, and discloses an anti-attrition dustproof chain structure which comprises a chain body, a dustproof assembly, a first protection block and a second protection block, wherein the dustproof assembly is rotationally arranged at the two ends of a sleeve of the chain body and used for preventing dust from entering a roller gap between the sleeve and the chain body, and the first protection block and the second protection block are arranged outside the sleeve in a sleeving mode. Mounting grooves are formed in the first protection block and the second protection block, sealing blocks are slidably inserted into the mounting grooves, and the sealing blocks located outside the mounting grooves abut against the chain plates of the chain body. The dustproof assembly is reasonable in structure, the gap between the sleeve and the roller can be sealed, external dust and sundries are prevented from entering the gap between the sleeve and the roller, a user can conveniently detach the dustproof assembly from a chain, the cruising ability of the dustproof assembly can be improved, and the protection performance is high.

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.

To provide a chain which is excellent in wear resistance.SOLUTION: A bush 7 is a cylindrical member having a hole 19, and having a substantially rectangular cross-sectional shape in a cross section orthogonal to an axial direction. A sleeve 13 is provided at an external periphery of the bush 7. The sleeve 13 is a substantially cylindrical member having a hole 21, and an inner face shape of the hole 21 is a substantially rectangular shape corresponding to an outer face shape of the bush 7. The outer face shape of the sleeve 13 is formed into a substantially circular shape, and a roller 15 is provided at an external periphery of the sleeve 13. The roller 13 is formed into a substantially cylindrical shape, and rotatable with respect to the sleeve 13. Here, it is preferable that the hardness (for example, Rockwell hardness HRC) of the sleeve 13 be higher than the hardness of the bush 7.SELECTED DRAWING: Figure 2

Provided is a chain in which inner links and outer links are alternately connected. An inner link plate in the inner link has a first sliding contact region in sliding contact with the guide and a non-sliding contact region not in sliding contact with the guide. The first sliding contact region is formed in a range shorter than the chain pitch. In the first sliding contact region, the height of the inner link plate from the pitch line is greater than the height of the outer link plate from the pitch line. In the non-sliding contact area, the height of the outer link plate from the pitch line is greater than the height of the inner link plate from the pitch line. When the height from the pitch line to the highest point of the inner link plate in the first sliding contact region is set as a first height (h1), and the height from the pitch line to the highest point of the outer link plate in the non-sliding contact region is set as a second height (h2), the relationship h1 > h2 is satisfied. Accordingly, friction with the chain guide can be reduced, and abrasion of the chain guide can be restrained.