384results about "Driving chains" patented technology

The utility model relates to the technical field of plate chains, in particular to a mute and electricity-proof plate chain. According to the technical scheme, the silence chain comprises an inner chain plate formed by stacking three inner chain plates, each group of adjacent inner chain plates are combined and connected together through an outer chain plate matched with a pin shaft, and the silence chain is characterized in that one side of the pin shaft is connected with a silence matching assembly, a reinforcing combination groove is formed in the silence matching assembly, and the reinforcing combination groove is matched with the pin shaft. Reinforcing and stabilizing chain plates with the same size as the outer chain plates are installed in the reinforcing combined grooves, the pin shaft penetrates through the reinforcing and stabilizing chain plates, and an arc-shaped matching face is arranged at the upper end of the mute matching assembly. The chain plate has the advantages that the chain plate can be smoothly matched with a guide rail when the chain plate moves, the smoothness is better in use, the chain plate has better stability and noise reduction effect, the overall safety is more reliable in use, and the service life is longer.

A bicycle chain (10) with a plurality of chain links (12), the chain plates (24, 26) of which are designed and arranged in a cranked manner along a longitudinal chain path (LB) in such a way that each chain link (12) has a wider longitudinal end (14) with a larger link width (aKW) along the chain width axis (BA) and a narrower longitudinal end (16) with a smaller link width (aKW) opposite the wider longitudinal end (14) along the chain longitudinal path (LB), is designed to be laid between two coaxial chain wheels (R11, R12) adjacent along the chain width axis (BA).

The utility model relates to the technical field of vehicles, in particular to a chain transmission structure, an engine and a vehicle, the chain transmission structure comprises a chain and a chain wheel, the chain is used for being meshed with the chain wheel, the pitch of the chain wheel is Pa, the pitch of the chain is Pb, the ratio of the pitch of the chain wheel to the pitch of the chain is n, and n = Pa / Pb; n is greater than 0.97 and less than 1. By means of the arrangement, the pitch of the chain wheel is smaller than that of a chain wheel in the prior art, and meshing order noise in the meshing process of the chain and the chain wheel can be remarkably reduced. And moreover, the ratio of the pitch of the chain wheel to the pitch of the chain is between 0.97 and 1, so that the effect of improving the meshing order noise is relatively good.

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.

In one embodiment of the present disclosure, a drive chain system (22, 24) for a spiral conveyor belt (34) includes inner (52) and outer (62) drive chains driving the spiral conveyor belt, the inner and outer drive chains each including a plurality of links (70) defined by a plurality of first (72) and second (74) pitches connected by linking pins (84, 86) extending through holes (80, 82) in the pitches, wherein at least a portion of the linking pins of at least one of the inner and outer drive chains are hardened and / or dissimilar linking pins which are harder on an outer surface than other components in the inner and outer drive chains.

A conveyor chain having a plurality of toothed links and a plurality of non-toothed links, where the toothed and non-toothed links each include a link body, each having two pin openings for receiving connecting pins adapted for being inserted into the pin openings with interconnecting links to join the links together to form a chain link conveyor. Both the toothed and the non-toothed links have a flat top surface, a first shoulder, and a second shoulder that are parallel with respect to each other and perpendicular to the flat top surface. The toothed links have two downward extending teeth that taper down from the shoulders. The non-toothed links have a flat bottom surface. The toothed links are arranged with abutting shoulders in a row and the non-toothed links are arranged with abutting shoulders in a row, which minimizes backbend of the conveyor chain.

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.

To provide a component or device having a damping function, which includes a steel excellent in high-strength damping and fatigue resistance properties.SOLUTION: The damping steel of the high-Mn, high-N system according to the present invention ("HIDAS alloy") is a high-manganese stainless steel having the composition comprising Mn of 3-18%, Si of 0.1-3.0%, Cr of 5-20% and N of 0.1-1.2%. The steel of this composition is subjected to predetermined heat treatment and processing so as to generate stacking faults. This structure absorbs external vibration or strain, thereby exhibiting excellent damping performance and fatigue resistance.SELECTED DRAWING: Figure 1

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.

The invention relates to the technical field of chains, in particular to a marine complex environment resistant special precise roller chain for ships, which comprises a chain main body and an accessory for protection, the chain main body is formed by connecting a plurality of rows of single chains through long pin shafts, and the accessory comprises protective rings which are arranged on two sides of the chain main body and matched with the transmission shape of the chain. The protective ring is fixed through the top plate and the bottom plate; the roller chain further comprises a dynamic lubricating structure, the dynamic lubricating structure is integrated on the top plate and comprises an oil feeding box capable of releasing lubricating oil in a self-adaptive mode through gravity and an oil brush making contact with the chain body during oil feeding, and the surface of the chain is evenly coated with the lubricating oil through the oil brush. The lubricating oil recycling structure is arranged on the bottom plate and comprises a concentration groove for inclined flow guide, a recycling seat for gas pressurization and a guide pipe assembly capable of switching the flow direction, and the cam mechanism is synchronously driven through transmission of the chain main body; and the purpose of long-acting lubrication of multiple rows of chains in a marine environment is conveniently achieved.

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.