130results about "Chain elements" patented technology

[Problem] To provide a highly versatile chain drive device and a door opening / closing mechanism with which it is possible to easily and freely change the delivery direction without changing the overall orientation or adding another mechanism. [Solution] The chain drive device includes: a chain member (110) which can be driven forward and backward and is composed of a pair of chains which are meshed with each other and integrated; a chain guide mechanism which guides the chain member (110) in a rigid state from a first chain accommodation part (131); and a drive mechanism which drives the chain member (110) forward and backward. The chain guide mechanism has: a fixed guide part (120) which is continuous with the first chain accommodation part (131); and a swing guide part (140) which is disposed to be swingable with respect to the fixed guide part (120).

The invention belongs to the technical field of coal mine machinery, and particularly relates to a self-repairing mining vertical chain connecting ring and a manufacturing method thereof.The chain connecting ring takes 23MnNiMoCr54 alloy steel as a base material and is made of a steel billet added with self-repairing material components; the self-repairing material comprises nano-particles, shape memory alloy particles and a catalyst. According to the mining vertical chain connecting ring, the self-repairing material is added on the original basis, so that the chain connecting ring automatically repairs surface and internal damage under the complex working condition environment of a mine, the service life of the chain connecting ring is effectively prolonged, and compared with a traditional chain connecting ring, the service life can be prolonged by 30%-50%. The 23MnNiMoCr54 alloy steel is used as a base material, self-repairing material components and a special preparation process are combined, the original excellent mechanical properties such as high strength and high toughness of the chain connecting ring are guaranteed, meanwhile, the chain connecting ring is endowed with the self-repairing characteristic, and good comprehensive performance is achieved.

Embodiments of this application relate to the field of logistics and warehousing technologies. A picking or placing assembly, a fork, a robot, and a warehousing system are disclosed. The picking or placing assembly includes: a body structure, a telescopic mechanism, and a driving mechanism. The telescopic mechanism includes a first flexible member and a second flexible member. When the telescopic mechanism is in an extended state relative to the body structure, at least part of the first flexible member and at least part of the second flexible member are interlocked to form a rigid arm, where at least part of the rigid arm is configured to extend relative to the body structure. When the telescopic mechanism is in a retracted state relative to the body structure, at least part of the first flexible member and at least part of the second flexible member are separated from each other, and at least part of the first flexible member and at least part of the second flexible member are bent. The driving mechanism is connected to the telescopic mechanism. In the foregoing manner, the picking or placing assembly provided in embodiments of this application is capable of satisfying the requirement of picking up a large-volume container with a reduced volume of the picking or placing assembly, thereby improving space utilization of the warehousing system.

The present invention relates to a push chain device, comprising: a push chain (10) including a curved portion (10b) and a straight portion (10a) along an axis, the chain including links (12) hinged to the axis; a push chain guide (20); a drive sprocket (1) having teeth (2) interlocked with the push chain, the sprocket contacting the push chain through a circular involute-shaped contact surface (2a), the contact surface (2a) being a tooth, the teeth (2) engaging with the chain, and defining a line of action at an angle between -10° and 10° to the axis of the straight portion, the line of action being offset relative to the hinge axis of the link, the sprocket contacting the straight portion (10a) but not the curved portion (10b), and being mounted such that it can rotate on an axis located on the side of the chain opposite to the center of curvature of the curved portion (10b), the contact surface (2a) including a convex front surface toward the straight portion (10a) and a rear surface toward the curved portion (10b) when the teeth (2) interlock.

To provide a compact link mechanism with a high degree of freedom. [Solution] The link system 3 includes at least four links and at least two connecting rods connecting every other link, each of which includes a first rotary joint, a second rotary joint, and a third rotary joint. Adjacent links are rotatably connected to each other by the first rotary joint and the second rotary joint. The connecting rods diagonally cross the links between the links they connect and rotatably connect the links by the first rotary joint and the third rotary joint. When the links are linearly extended, the connecting rods are arranged approximately parallel to each other, and each connecting rod is located above the second rotary joint. Rotation of the first rotary joint causes the link system 3 to retract and extend. Rotation of the second rotary joint causes the link system 3 to bend.

The application relates to a transmission chain lubricating device and belongs to the technical field of transmission chains, which comprises a workbench, a lubricating pipe slidingly installed on the workbench and used for penetrating a sleeve and lubricating the inner wall of the sleeve, a lubricating assembly fixedly installed on the workbench and used for driving the sleeve to rotate along the lubricating pipe and lubricating the outer wall of the sleeve, and a pump oil assembly used for supplying oil to the lubricating pipe and the lubricating assembly, a plurality of oil holes are formed through the outer peripheral wall of the lubricating pipe and are communicated with the pipe cavity of the lubricating pipe. The sleeve is penetrated by the lubricating pipe, the inner wall of the sleeve is smeared with lubricating oil, the lubricating assembly is arranged to drive the sleeve to relatively rotate with the lubricating pipe, and the outer wall of the sleeve is smeared with lubricating oil, so that the operation is simple and convenient, the lubricating oil is quickly smeared, the lubricating oil is uniformly smeared, and the problem that the smearing efficiency of the lubricating oil on the surface of the sleeve is low is improved.

The present disclosure relates to a lubrication monitoring system (15) configured to monitor a supply of lubricant in a handheld cutting tool (1) having a cutting unit (3,5). A lubricant tank (41) and a conduit (45) are configured to deliver a flow of lubricant from the tank (41) to the cutting unit (3,5). The lubrication monitoring system (15) comprises a heating element (29) and a sensor arrangement (31,33), the heating element (29) configured to heat the flow of lubricant. The sensor arrangement comprises a first sensor (31) disposed in the flow upstream of the heating element (29) and a second sensor (33) disposed in the flow downstream of the heating element. The lubrication monitoring system outputs a monitoring signal based on a sensed temperature difference between the first sensor (31) and the second sensor (33).

The invention belongs to the technical field of chains, and particularly relates to a precise chain roller with a smooth surface and abrasion resistance and a preparation method thereof. The invention provides a steel roller which is provided with a DLC final working surface on an excircle mirror surface, an excircle has no texture, and only an inner hole is provided with a micron-sized spiral microgroove. The process is implemented according to the sequence of carburizing / quenching / tempering-shot blasting-fine grinding-superfinishing-vacuum PVD, a diamond-like carbon composite coating is formed on an outer circle, and oil storage and capillary pumping are carried out through control of an outer edge fillet, residual compressive stress and DLC adhesive force and an inner hole microgroove, so that work division of antifriction bearing and oil supply functions is realized. A chain provided with the anti-abrasion precision roller with the smooth surface gives consideration to low friction, low noise and stripping resistance under the boundary lubrication and impact-rolling composite working conditions.

An accessory for distributing a lubricant on a chain (C), of a bicycle or motorcycle, the accessory (10) being connectable with a dispenser (100) of the lubricant such as a syringe, a can or the like. The accessory comprises an inlet (11) for the lubricant designed to be fluidically connected with the dispenser (100), an outlet (12) for the lubricant, a first operative portion (20) designed to be coupled with the dispenser (100) and a second operative portion (30) which comprises lubricant distribution means (40) designed to interact with the chain (C) to be lubricated. The accessory (10) is disposable.

A liquid dispensing system (10) for dispensing highly viscous liquids such as lubricating oil. The system (10) includes a nozzle body (20) and elongated electrode (22) that define an annular liquid flow passage (46) communicating with a protruding conically configured terminal end (40) of the electrode. An end cap of the nozzle body defines a plurality of circumferentially spaced discharge orifices (49a) about the electrode (22) for controlling the discharge of electrically charged liquid onto the terminal end of the electrode for direction therefrom in a thin line, having a width of less than 0.1524 cm (0.06 inches).

To provide an interlocking chain that has high load-bearing performance in the compression direction and can maximize the driving force per occupied space. [Solution] The device has a pair of chain members 101, 105 that can be driven freely back and forth and mesh with each other to form a single unit, and the total contact area of ​​the end faces that come into contact with the second outer plate 150 and second middle plate 160 when the first outer plate 110 and first middle plate 120 are meshed is equal to the total contact area of ​​the end face that comes into contact with the second inner plate 170 when the first inner plate 130 is meshed.

The present application relates to an application unit (1) for a lubrication device (2) of a system (3) for lubricating lubrication points (4) of an articulated chain (5), in particular a transport chain of a double-end profiler, comprising a housing (6), a hollow piston (7) mounted on the housing (6), a spring device (8) configured to apply a spring force to the hollow piston (7), wherein the housing (6) has a fixed spring bearing (9) on which a first end (10) of the spring device (8) is mounted, wherein the hollow piston (7) is linearly movable parallel to its longitudinal axis (12) relative to the housing (6) between a position retracted into the housing and a position extended out of the housing, wherein the hollow piston (7) has a lubricant channel (13) extending parallel to its longitudinal axis (12) and penetrating the hollow piston (7) along its entire length.Lubricant can be conveyed through the hollow piston (7) from a proximal end facing the housing (6) to a distal piston tip (14) of the hollow piston (7) facing away from the housing (6), wherein the spring assembly (8) is mounted on the hollow piston (7) with its second end (11), which is opposite its first end (10), such that the spring force of the spring assembly (8) acts on the hollow piston (7) in a direction parallel to its longitudinal axis and the hollow piston (7) is held in its extended position by the action of the spring force in the absence of external forces, wherein the hollow piston (7) can be moved relative to the housing (6) by applying an axial force against the spring force and can thereby be moved into its retracted position.

This invention discloses a lubrication device for lifting machinery, relating to the field of lubrication device technology. It includes: a mounting platform with an oil storage chamber on the platform; a lubrication box mounted on the platform, containing a lubrication chamber connected to the oil storage chamber via two oil inlet channels; and a locking pipe fitting slidably mounted on one side of the lubrication box, connected to the lubrication chamber within the box. The lubrication box is equipped with a linear adjustment component that drives the locking pipe fitting closer to or further away from the box. This invention uses an adjusting motor to drive an adjusting gear, which meshes with an adjusting rack, causing the rack, adjusting block, connecting pipe, and locking sleeve to slide horizontally. This adjusts the relative position between the locking sleeve and the lubrication box, thereby locking the crane chain at different horizontal positions, allowing the lubricating oil to lubricate the crane chain and improving the overall applicability of the device.

To provide a technique that can firmly fit a filter member to a holding member, and can easily perform a fitting work for fitting the filter member to the holding member.SOLUTION: Disclosed is a filter. The filter comprises a filter member which has a substantially cylindrical shape and is elastically deformable in a radial direction, a holding member which includes a holding part having a substantially columnar shape and to which the filter member is fitted, and a flow channel through a fluid passes, and may comprise a flow channel member fixed to the holding member. An outermost diameter of the holding part may be larger than an inner diameter of the filter member during unloading. When the filter member is fitted to the holding member, an inner peripheral surface of the filter member and an outer peripheral surface of the holding part may partially contact each other, and the remainders may not contact. When the filter member is fitted to the holding member, the flow channel may open in the filter member.SELECTED DRAWING: Figure 6

The utility model relates to the technical field of conveying chains, in particular to an internal oil injection sufficient lubrication type combined chain. According to the technical scheme, the chain comprises a plurality of inner chain links and outer chain links, each inner chain link comprises an inner chain plate, a sleeve and a roller, each outer chain link comprises an outer chain plate and a pin shaft, one end of each pin shaft is provided with a main body lubrication filling hole, a chain stable matching groove is formed in each roller, and the main body lubrication filling holes are communicated with the main body lubrication filling holes. The two ends in the chain stable matching groove are respectively provided with a running stable matching bearing, an isolation safety matching sleeve is arranged between the two running stable matching bearings, and a cylindrical lubricating matching oil storage groove is formed in the position, matched with the sleeve, of a center shaft of the isolation safety matching sleeve. The utility model has the advantages that the lubricating uniformity and the safety in the use process are better, the whole service life is longer in the use process, the wear resistance between internal movable parts is better, and the durability in the use process is better.

The utility model relates to the technical field of mechanical transmission, and discloses a waist-drum-shaped chain roller with high-speed bearing capacity, which comprises a roller body, an anti-friction component is arranged on the outer wall of the roller body, the anti-friction component comprises a wear-resistant steel sleeve, the wear-resistant steel sleeve is arranged on the outer wall of the roller body, and the wear-resistant steel sleeve is arranged on the outer wall of the roller body. An inner connecting ring is fixedly connected to the outer wall of the roller body, a rotating sleeve is arranged on the outer wall of the roller body, an outer connecting ring is fixedly connected to the outer wall of the rotating sleeve, a plurality of balls are arranged between the outer connecting ring and the inner connecting ring, and oil absorption cotton is arranged between the rotating sleeve and the roller body. During operation, the rotating sleeve outside the roller body and the inner and outer connecting rings form a rolling structure through the balls, the oil absorption cotton continuously releases oil to reduce friction, the wear-resistant steel sleeve is used for protection, and the oil injection port guarantees lubrication, so that the purposes of improving the transmission efficiency, prolonging the service life and reducing the maintenance cost are achieved, and the stable operation of the roller under high-speed bearing is guaranteed.

The chain of repeatable oiling sealing ring comprises outer chain plates, inner chain plates, pin shafts and sleeves, two outer chain plates are tightly assembled with two pin shafts to form outer chain links, two inner chain plates and two sleeves are combined to form inner chain links, the inner chain links are arranged between the two outer chain plates of the outer chain links, the sleeves are arranged outside the pin shafts and gaps are arranged between the sleeves and the pin shafts, rollers are arranged outside the sleeves between the two inner chain plates, oil injection channels are arranged between the sleeves and the outer chain plates for the entry of lubricating oil, sealing members for sealing the oil injection channels are arranged between the inner chain plates and the outer chain plates, and oil path openers for driving the sealing members to axially move to open or close the oil injection channels are arranged between the sealing members and the inner chain plates. The chain can switch between the sealed state and the unsealed state, so that the lubricating oil can be injected in the unsealed state, and the service life of the product is prolonged.

The utility model belongs to the field of hydraulic single columns, particularly relates to an anti-falling connecting device for a hydraulic single column, and aims to solve the problems of time-consuming and labor-consuming disassembly, low efficiency, heavy finished anti-falling chain and high price of the conventional method for connection when a damaged column is replaced, and the following scheme is provided: the anti-falling connecting device comprises an arc-shaped belt, the device comprises an arc-shaped belt, a lengthened belt is integrally formed at one end of the arc-shaped belt, an arc-shaped cavity is formed in one side of the lengthened belt, an iron chain is placed in the arc-shaped cavity, and a hanging assembly used for hanging the device on a roof anchor net is arranged at one end of the iron chain. The production cost is remarkably reduced, recycling of waste materials is achieved, the whole device is compact in structure, the operation process is simple and easy to understand, installation, adjustment and maintenance can be completed without complex tools or professional skills, the using length of the iron chain can be easily adjusted according to actual needs, and the whole iron chain does not need to be replaced.

The present invention relates to a multi-purpose rotary locking chain in which a locking function is realized within the connecting ends of two connected chain blocks. By manually axially displacing a movable locking shaft disposed inside two connected chain blocks, the functions of rotation and locking of the two connected chain blocks within a specified angular range are realized. By setting the non-circular cross-sectional shapes of the movable locking shaft and the locking shaft hole, the functions of locking and unlocking between the two connected chain blocks at different locking angles are realized. By setting a certain angle between the rotation axes of the adjacent connecting ends of the series-connected rotary locking chain, the relative rotation direction between the connected chain blocks is adjusted. The rotary locking chain of the present invention can be widely applied to fields such as daily necessities, industry, transportation, and engineering construction.

The utility model discloses a chain joint mounting device, and relates to the technical field of telescopic booms, a joint mounting seat is fixedly assembled on the outer surface of a boom, one end of a chain joint is provided with a hinge joint for connecting a chain, and the other end of the chain joint is provided with an expanded bump; the clamping notch is formed in the connector installation base, the chain connector is embedded into the clamping notch, the width of the expansion protruding block is larger than that of the clamping notch, and therefore the expansion protruding block can make contact with the connector installation base to form blocking, and the chain connector can be prevented from being separated from the connector installation base. The chain joint is not directly welded with the outer surface of the arm support, but adopts a limiting form of blocking and clamping by the expanded convex block, and the chain joint and the joint mounting seat do not need to be assembled by welding, so that quick assembly, quick disassembly and quick change of the chain joint can be realized, and the assembly process of the chain joint is simplified.

A device for lubricating a chain (10), comprising a lubricant tank (5) and a carriage (2) connected thereto, which carriage can be placed on the chain with its lubricating side facing the chain and has at least one guide rail (4) on the lubricating side, which guide rail is designed to guide the carriage (2) on an upper side of the chain (10) along its longitudinal direction. The carriage (2) has at least one nozzle (7) on the lubricating side, via which a lubricant from the lubricant tank (5) can be sprayed onto the chain (10), so that the chain can slide along the lubricating side while lubricant can be sprayed onto it via the nozzle at the same time. The carriage (2) has a plastic attachment (3) on its lubricating side, which forms the at least one guide rail (4) and, in the transverse direction, flat sliding surfaces (13) adjacent to the guide rail (4), and the attachment (3) has the at least one nozzle (7).

The exemplary bushing (204) has three radial sections, including an inner section (410) proximal to the central bore of the bushing (204), an outer section (404) distal from the central bore, and a core section (406) between the inner section (410) and the outer section (404). The core section (406) has a lower hardness than either the inner section (410) or the outer section (404) of the bushing (204). The bushing (204) may be formed using high-carbon steel and, in some cases, may have a spheroidal cementite crystal structure. A rough bushing may be formed using high-carbon steel, followed by a direct hardening process and an induction hardening process on the inner surface (412) proximal to the central bore of the bushing (204). Induction hardening on the inner surface (412) may harden the outer portion (404) while tempering the core portion (406) of the bushing (204).

According to the technical scheme, the round-link chain is characterized in that the round-link chain comprises two main bodies, first round holes are formed in the outer circle walls of the two main bodies respectively, fixing sleeves are fixedly installed on the outer circle walls of the two main bodies respectively, and second round holes are formed in the outer circle walls of the two fixing sleeves respectively; the anti-falling assembly is arranged between the two fixing sleeves and used for preventing the circular ring from falling off, the two main bodies are arranged to serve as main bearing parts of the circular ring chain, and the stability of the main bodies is enhanced through installation of the fixing sleeves, so that the structural integrity of the circular ring chain can be kept when the circular ring chain is stressed; the arrangement of the anti-falling assembly is the core highlight of the round-link chain design, and the round-link chain is effectively prevented from falling off due to uneven stress or external factors in the using process, so that the safety and the reliability of the chain are improved.

A storage system (1) comprises a plurality of vertical stacks (2) of storage containers (3), wherein the stacks (2) are arranged in a horizontal first direction (X) and a horizontal second direction (Y) which is perpendicular to the first direction (X), a transport unit (8) for transporting at least one container (3) to or from a selected stack (2) in the first and / or second direction (X, Y), and a container handling device (9, 10) for transferring at least an upper container (3) from a selected stack (2) to the transport unit (8) before the transport unit (8) including the container (3) is transported from the selected stack (2) and for transferring at least a container (3) from the transport unit (8) to the top of a selected stack (2) after the transport unit (8) including the container (3) is transported to the selected stack (2). The transport unit (8) is movable above the stacks (2). The container handling device comprises a lifting member (9) for displacing a selected stack (2) in vertical direction with respect to adjacent stacks (2), wherein the lifting member (9) is movable below the stacks (2) in a non-lifting condition thereof, and the container handling device comprises an engaging member (10) that is provided at the transport unit (8) and suitable for engaging at least an upper container (3) of a lifted stack so as to retrieve the container or for releasing an engaged container so as to place the container on top of a selected stack. The stacks (2) rest on a support (4) and the lifting member (9) is suitable for displacing a selected stack (2) in vertical direction with respect to the support (4). The lifting member (9) is movable below said support (4) in the non-lifting condition thereof.

The utility model discloses a chain connecting rod capable of adjusting tensile force. The chain connecting rod comprises a spring, a fixing screw rod, an adjusting screw rod and a fixing sleeve. One end of the spring is connected with the chain through the connecting block, the other end of the spring is connected with the adjusting screw, the fixing screw is arranged at one end of the fixing sleeve, the joint of the spring and the adjusting screw is located in the fixing sleeve, and a scale display assembly is arranged on the side of the fixing sleeve to display elastic force changes of the spring. The adjusting screw rod penetrates through the inner side of the fixing screw rod in a threaded connection mode, the outer side of the fixing screw rod is connected with a component to be pulled, and locking is achieved through the fixing nut; when the adjusting screw rod is screwed, the spring is driven to stretch, and then chain tensioning is achieved. The tensioning force adjusting device has the advantages of being compact in structure, easy to operate, high in reliability and the like, tensioning force adjusting is achieved, the elastic force change of the spring can be mastered in real time, and the accuracy of tensioning force adjusting is improved.

The invention discloses an elevator with a self-lubricating chain transmission box, which relates to the technical field of elevator transmission, and comprises a shell, a chain and a lubricating assembly, the lubricating assembly comprises a lubricating box, a chain box, a worm, a worm gear, a chain wheel, a chain groove, an impeller, a liquid storage cavity and a driving motor. The lubricating box is fixed in the shell, a worm and a worm gear are arranged in the lubricating box, the worm gear is meshed with the worm, the worm gear is rotatably connected in the lubricating box, and the worm is fixed on a rotating shaft of the driving motor; the chain box is fixed in the shell and located on one side of the lubricating box, a chain wheel is arranged in the chain box, and the bottom of the chain box is open; the impeller is fixed in the lubricating box, and the impeller and the worm gear are coaxially arranged; the liquid storage cavity is formed in the lubricating box and located on the lower side of the worm, lubricating oil used for lubricating the worm and the worm gear is stored in the liquid storage cavity, and the lubricating oil in the liquid storage cavity flows in the lubricating box through the impeller; the lubricating oil circulation efficiency can be improved, the worm gear and the worm are more wear-resistant, and the heat dissipation efficiency is improved.

The present application relates to a chain saw, a linkage mechanism is arranged on a guard to control the pumping state of a lubricating structure. When the working head is in a working state, the cutting object pushes the guard to move away from the working head. Once the guard is pushed away, the linkage mechanism is triggered to perform corresponding actions to control the lubricating structure to deliver lubricating oil to the guide plate and / or the cutting element to ensure the stable working of the working head and effectively avoid dry grinding between the cutting element and the guide plate, which is conducive to prolonging the service life of the working head. The chain saw uses the linkage mechanism to synchronously respond to the movement of the guard, so that the lubricating structure can only pump oil when the guard is pushed away or pried open, which can effectively control the lubricating structure not to pump oil when the working head is not working or is in an idle state. In this way, the pumping action is purposeful and regular, achieving the purpose of not wasting oil and saving oil; at the same time, it is also conducive to improving the working environment.

The present invention relates to a chain-driven large telescopic ratio constant-force lifting platform and its operation method. The lifting platform includes a base, a scissor mechanism, a lifting platform, a chain lifting mechanism and a control system. The chain lifting mechanism includes at least one sprocket mounted on the base. The sprocket meshes with a chain, and the top of the chain is connected to the bottom of the lifting platform through a rotating pair. The chain includes alternately connected inner links and outer links, and a limiting mechanism. The limiting mechanism includes a first limiting mechanism and a second limiting mechanism that respectively limit the opposite rotation directions of adjacent links, and bidirectionally lock the chain during the vertical lifting movement. Through the limiting effect of the limiting mechanism and the detection and control of the control system, the present invention automatically realizes the stable self-locking and simple unlocking of the chain, intelligently matches the driving power and speed of the motor, ensures the constant-force lifting of the chain in the vertical direction, provides a constant-force lifting platform with a large telescopic ratio, effectively simplifies the equipment, reduces energy consumption and improves the lifting efficiency.