183results about "Driving chains" 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.

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.

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.

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 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.

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.

An aircraft actuation system (300) is disclosed that includes a pair of cylinders (322a, 322b), a piston (330) movably disposed in each cylinder, and a roller train (340) that extends between the pistons in the two cylinders. A portion of the roller train is disposed beyond the cylinders to engage a pinion (302). Movement of the pistons in the two cylinders in opposite directions produces a corresponding movement of the roller train to in turn rotate the pinion. The roller train may be maintained in compression between its two ends by fluid pressure exerted on a common face (332) of each of the pistons in the two cylinders. The cylinders may be disposed in non-colinear relation, including in parallel relation to one another. A guide (390) may be used to maintain rollers (350) of the roller train in a proper orientation for entry into a space between an outer race and the pinion.

The invention is a roller chain for bicycles, comprising a plurality of links (10, 20) hinged to one another in such a way that each link (10, 20) rotates with respect to the adjacent link (10, 20) around an axis (X), and wherein each link (10, 20) comprises at least one plate (100) consisting of a body (110) with two opposite ends (120, 130), in each of which there is a seat or hole (140) for the insertion of a connection pin (11). Said plates are made of spring steel and are elastically deformable in such a way that the distance between said two ends (120, 130) can vary as a result of the effort normally applied while pedalling.

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 13-speed bicycle chain relates to the technical field of chain transmission and comprises inner chain plates, outer chain plates, rollers and pin shafts, the inner chain plates and the rollers form inner chain links, the outer chain plates and the pin shafts form outer chain links, and the outer chain links and the inner chain links are alternately connected to form a chain body of the bicycle chain. The 13-speed bicycle chain is provided on the basis of the requirement that a 13-speed bicycle chain needs to be designed urgently at present, practice proves that the chain body has enough structural strength and is smooth in operation, the structural size design of all parts is reasonable, noise is low, and the use requirement of the 13-speed bicycle chain is fully met.