19results about "Chain links" patented technology

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 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 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.

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

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

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

A toothed chain with a sealing ring sleeve, belonging to the field of chain technology, includes a toothed chain body with a sealing ring sleeve. The toothed chain body includes: an outer chain plate, an inner chain plate, a guide plate, a pin, a sleeve, and a sealing ring. The guide plate has a rectangular frame structure with a downward-protruding arc structure one at the bottom and outward-protruding arc structures two at both ends of the top. The radius of the arc structure two is R″ = R5.5-R7.5. This new invention solves the technical problems of chain slippage, tooth skipping, and excessive vibration of the chain at high speed in some models of Zhenming chains under extreme working conditions and extreme violent driving conditions. By optimizing the guide plate design and reducing the weight of the chain, the overall stability of the chain is improved, ensuring efficient transmission under various complex road conditions.

Tensioning devices with at least a portion of the tensioner face incorporating increased compliance of at least two pitch lengths in distance that meets compliance geometry requirements and applied force tensioner face stiffness requirements to decrease NVH through the incorporation of a cavity within the body of the tensioning deice, incorporation of a blade spring within the cavity of the tensioning device, incorporation of an elastomer within the cavity of the tensioning device, locating a compliance portion of the tensioner face at one end of the tensioner face of the tensioning device, and a spring utilized as a tensioning device with an elastomer face.

The present application provides a kind of multi-light material composite assemblable ductile buoyancy mooring chain.The single ring of the mooring chain is composed of polyimide resin core mold inner layer containing hollow beads and resin-based carbon fiber traction-resistant outer layer, and the core mold is composed of detachable single chain ring core mold and complete single chain ring core mold spaced jointing to ensure uninterrupted winding of carbon fiber on single ring body and realize multi-ring assembly extension.The detachable single chain ring is connected by mortise and tenon structure and embedded in dowel for fixing, and the complete single chain ring is a complete long circular ring structure.The proposed composite buoyancy mooring chain can be designed based on the size of core mold and carbon fiber layer, so that the overall density is less than the density of seawater, and it can be in floating state on the sea surface.

The application provides a drag chain, comprising a plurality of chain links connected in sequence, each chain link comprising: a first chain plate and a second chain plate arranged symmetrically, wherein the first chain plate and the first chain plate of an adjacent chain link are connected in sequence to form a first side chain rail, the second chain plate and the second chain plate of an adjacent chain link are connected in sequence to form a second side chain rail, and the relative rotation angle between two adjacent first chain plates and the relative rotation angle between two adjacent second chain plates are both not more than 90°; and a connecting piece for connecting the first chain plate and the second chain plate. The relative rotation angle between two adjacent first chain plates and the relative rotation angle between two adjacent second chain plates are both limited to not more than 90°, so that the cable in the drag chain is prevented from being excessively bent under the premise of ensuring that the drag chain can be flexibly bent.

A heavy-duty push chain, belonging to the field of push chain technology, includes several chain links connected sequentially by pins. Each chain link includes a set of opposing composite chain plates. The composite chain plates include push chain plates and tension chain plates connected together by rivets. When the push chain plates of adjacent chain links mesh with each other, the push chain is in a straight pushing state, with the push chain plates transmitting the thrust. When the push chain is in a tension state, the tension chain plates transmit the tension. This invention can provide tension like an ordinary chain, and can also exhibit rigidity in a straight state, thereby transmitting thrust. By fixing the tension chain plates and push chain plates to form composite chain plates, and forming first and second chain links through different combinations of composite chain plates, the push chain is formed through further combination and connection of the first and second chain links. This effectively solves the problem of mixed forces on the chain plates of existing push chains, making it difficult to conduct targeted observation, research, and optimization.

The application relates to the technical field of intelligent equipment, in particular to a tank chain. The application provides a tank chain structure which comprises a first chain link and a second chain link. The first chain link and the second chain link are alternately connected and rotationally matched, so that a single chain realizes XY bidirectional movement under the guidance of a slide, without needing two independent chains, thereby saving equipment installation space. The slide rigidly restricts the chain track, the complex support structure of the traditional double chain is omitted, the chain link modular design and the slide inflection point guidance are combined, bidirectional movement coupling can be naturally realized without additional synchronous control, the equipment installation and debugging difficulty and the structural design complexity are reduced. A single chain needs only one set of basic support system, a large number of parts are reduced compared with the traditional scheme, the hardware configuration is simplified, the manufacturing cost is reduced, and the maintenance convenience is improved.

The utility model discloses a kind of overhead performance's tow chain links with stronger, specifically related to machine tool accessory field, including multiple groups of mutually connected connecting chain, connecting chain includes two groups of mutually connected connecting block, connecting mechanism one is arranged between every two groups of coaxial connecting block, connecting mechanism one is arranged between every two groups of connecting block, the connecting chain is mutually fixed by connecting mechanism one, the connecting chain forms machine tool accessory tow chain by connecting mechanism two, the connecting mechanism two includes the connecting groove one and connecting groove two being set in the both ends of connecting block, connecting groove one and connecting groove two are respectively provided with recess and connecting column, the utility model is connected by the connecting groove one and connecting groove two being set on the surface of connecting block, and recess and connecting column being set on the surface of connecting groove one and connecting groove two are connected, so that multiple connecting chains are connected, to form machine tool accessory tow chain.

A toothed chain system with a sealing ring, relating to the field of chain drive technology, includes a toothed chain with a sealing ring and a self-lubricating sprocket that cooperate with each other. The toothed chain with the sealing ring comprises several alternating inner and outer chain links, with a sealing ring between the inner and outer chain links. Each inner chain link has a guide plate, which may be a guide plate made of conventional materials or a carbon fiber guide plate. The self-lubricating sprocket comprises a large sprocket and a small sprocket, which are connected to the toothed chain with a drive mechanism. This invention not only solves the problem of high noise in roller chain drives but also improves the wear resistance of the toothed chain under poor lubrication conditions. The self-lubricating sprocket uses a scheme of center groove rubber coating (i.e., vibration-damping rubber ring) and a graphite ring embedded in a specific position, further reducing noise while improving the maintenance-free performance and service life of the entire system.

The utility model relates to the technical field of tow chain, disclose a kind of tow chain of convenient dismounting, including tow chain body, the tow chain body includes several chain links, the both sides of several chain links are respectively provided with plug-in part and mounting portion, the installation of two chain links can be completed by inserting plug-in part into mounting portion, the side of plug-in part is provided with dismounting groove, for separating two chain links, the both ends of the tow chain body are equipped with joint, two the joint is respectively installed in the side of corresponding chain link, by the plug-in part and mounting portion of setting, when installing two chain links, corresponding plug-in part can be inserted into mounting portion, so that two chain links can be connected together, when disassembling two chain links, plug-in part can be separated from mounting portion by pressing plug-in part through dismounting groove, so that two chain links can be disassembled, in this way increase the assembly efficiency of chain link, facilitate quick dismounting, and by the joint of installation, the tow chain body can be installed on corresponding equipment.