CN220850572U

CN220850572U - Low-abrasion long-service-life chain

Info

Publication number: CN220850572U
Application number: CN202322845908.XU
Authority: CN
Inventors: 杨建军; 金张铭; 陆金玉
Original assignee: Zhejiang Shenniu Machinery Manufacture Co ltd
Current assignee: Zhejiang Shenniu Machinery Manufacture Co ltd
Priority date: 2023-10-24
Filing date: 2023-10-24
Publication date: 2024-04-26
Anticipated expiration: 2033-10-24

Abstract

The utility model discloses a low-abrasion long-life chain which comprises an outer chain plate, an inner chain plate and a buffer component, wherein the inner chain plate is arranged on the inner side of the outer chain plate, pin shafts are arranged on the opposite sides of the inner chain plate, the buffer component is arranged on the inner side of an annular groove, a sliding groove is formed in the inner wall of a buffer frame, and a wear-resistant frame is embedded on the inner side of the sliding groove. According to the utility model, the buffer component is arranged on the inner side of the annular groove, when the pin shaft and the barrel shaft relatively slide in the use process of the chain, the barrel shaft is contacted with the wear-resistant pad on the inner side of the inner chain plate, the wear-resistant pad reduces the damage to the inner chain plate caused by sliding wear between the pin shaft and the barrel shaft, when the outer chain plate and the inner chain plate shake, the inner chain plate is driven by the wear-resistant frame to squeeze the buffer spring, the buffer spring buffers shaking impact, and buffers the sliding in the use process of the chain, so that the wear generated between the connecting part of the inner chain plate and the outer chain plate is reduced, and the service life of the chain is prolonged.

Description

Low-abrasion long-service-life chain

Technical Field

The utility model relates to the technical field of chains, in particular to a low-abrasion long-service-life chain.

Background

The chain is generally a metal chain ring or ring, is used for mechanical transmission and traction, and consists of chain plates, chain pins, shaft sleeves and other parts, the pin shafts and the sleeves in the chain form a pair of friction pairs, the friction pairs can be generally used on a mechanical transmission mechanism, such as the transmission of a motor and the transmission structure as a power source, and the chain comprises a transmission chain, a conveying chain, a pulling chain and a special chain, and can be modified according to different application occasions.

The utility model discloses a long-acting controllable self-lubricating chain which comprises a fixed chain component, a rolling chain component, a fixed plate, a fixed pin, a rolling plate, a rolling bearing, a lubricating oil sleeve, a pressure-sensitive sensing ring, a sensing receiver and a telescopic switch. The pin shaft and the barrel shaft in the chain in the disclosed patent document slide relatively, so that the joint of the inner chain plate and the outer chain plate is easily worn greatly while sliding abrasion is generated, the good service performance of the chain cannot be ensured, and the service life of the chain is shortened.

Disclosure of utility model

The application aims to provide a low-abrasion long-life chain, which can solve the technical problem that the relative sliding of a pin shaft and a barrel shaft in the prior art is easy to cause larger abrasion on the joint of an inner chain plate and an outer chain plate while generating sliding abrasion.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a low wear's long-life chain, includes outer link joint, inner link joint and buffer assembly, the axle sleeve is installed in the outside of outer link joint, the ring channel has been seted up to the inboard of outer link joint, the inboard of outer link joint is provided with the inner link joint, the round pin axle is installed to the opposite side of inner link joint, the spool has been cup jointed in the outside of round pin axle, the separation blade is installed in the outside of round pin axle, the outer end of round pin axle cooperatees with the axle sleeve, the inboard of ring channel is provided with buffer assembly, buffer assembly is used for carrying out buffering protection to outer link joint and inner link joint junction, buffer assembly includes buffer frame and wearing rack, the buffer frame is installed on the diapire of ring channel, the spout has been seted up on the inner wall of buffer frame, the wearing rack is installed to the inboard gomphosis of spout, and wearing rack and spool contact.

Preferably, the outer side of the outer chain plate is provided with a first shaft hole in a penetrating mode, and the pin shaft penetrates through the inner side of the first shaft hole.

Preferably, the outer side of the inner chain plate is provided with a second shaft hole in a penetrating way, the second shaft hole is matched with the first shaft hole, the pin shaft penetrates through the inner side of the second shaft hole, the inner side of the inner chain plate is provided with a groove, the inner side of the groove is provided with a wear-resisting pad in a jogged way, and the wear-resisting pad is contacted with the outer end of the cylinder shaft.

Preferably, an oil storage cavity is formed in the pin shaft, a flow hole is formed in the outer side of the pin shaft, the flow hole is communicated with the oil storage cavity, and an oil absorption pad is arranged in the inner side of the flow hole.

Preferably, a damper is arranged on the bottom wall of the buffer frame, a buffer spring is arranged on the outer side of the damper, and the top end of the buffer spring is connected with the bottom of the wear-resistant frame.

Preferably, the screw thread post is installed to the outer end of round pin axle, and the screw thread post is located the outside of oil storage chamber, and the extrusion groove has been seted up to the outside symmetry of screw thread post, and the limit frame is installed to the inboard gomphosis in extrusion groove, installs extrusion spring on the inner wall in extrusion groove, and extrusion spring's outer end is connected with the inboard of limit frame.

Preferably, the outside of screw thread post has sealed lid through threaded connection, and spacing hole has been seted up in the outside of sealed lid, and spacing hole and spacing cooperation.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, the buffer assembly is arranged on the inner side of the annular groove, when the pin shaft and the barrel shaft relatively slide in the use process of the chain, the barrel shaft is contacted with the wear-resistant pad on the inner side of the inner chain plate, the wear-resistant pad reduces the damage to the inner chain plate caused by sliding wear between the pin shaft and the barrel shaft, when the outer chain plate and the inner chain plate shake, the inner chain plate extrudes the buffer spring through the transmission of the wear-resistant frame, the buffer spring buffers shaking impact, the damper prevents the buffer spring from driving the wear-resistant frame to shake back and forth on the inner side of the buffer frame, the wear generated between the connecting part of the inner chain plate and the outer chain plate is reduced, the good use performance of the chain is ensured, and the service life of the chain is prolonged.

2. According to the utility model, the sealing cover is connected to the outer side of the threaded column through threads, when lubricating oil is added, the limiting frame is pressed to separate from the inner side of the limiting hole, the limiting frame moves in the inner side of the extrusion groove to extrude the extrusion spring, the threaded connection relation between the sealing cover and the threaded column is relieved by rotating the sealing cover, the lubricating oil in the oil storage cavity flows out through the flow hole to lubricate the pin shaft and the cylinder shaft, sliding abrasion between the pin shaft and the cylinder shaft is further reduced, the sealing of the oil storage cavity of the pin shaft is stable, the leakage of the lubricating oil is avoided, and the loss cost is reduced.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

Fig. 2 is a schematic perspective view of a pin shaft according to the present utility model;

FIG. 3 is a schematic view of a buffer assembly according to the present utility model;

FIG. 4 is a schematic view of a threaded post connection of the present utility model;

Fig. 5 is an enlarged schematic view of the structure of the present utility model at a.

In the figure: 1. an outer link plate; 101. a first shaft hole; 102. a shaft sleeve; 103. an annular groove; 2. an inner link plate; 201. a second shaft hole; 202. a groove; 203. a wear pad; 3. a pin shaft; 301. a cylinder shaft; 302. a baffle; 303. an oil storage chamber; 304. a flow hole; 305. an oil absorbing pad; 4. a buffer assembly; 401. a buffer frame; 402. a chute; 403. a wear-resistant frame; 404. a damper; 405. a buffer spring; 5. a threaded column; 501. an extrusion groove; 502. a limiting frame; 503. extruding a spring; 6. sealing cover; 601. and a limiting hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected or movably connected, or may be detachably connected or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 and 5, an embodiment of the present utility model is provided: a low wear long life chain;

Including outer link joint 1 and inner link joint 2, the axle sleeve 102 is installed in the outside of outer link joint 1, annular groove 103 has been seted up to the inboard of outer link joint 1, shaft hole one 101 has been seted up in the outside of outer link joint 1, and round pin axle 3 runs through the inboard of shaft hole one 101, shaft hole two 201 has been seted up in the outside of inner link joint 2, shaft hole two 201 and shaft hole one 101 phase match, and round pin axle 3 runs through the inboard of shaft hole two 201, recess 202 has been seted up to the inboard of inner link joint 2, wear pad 203 is installed in the inboard gomphosis of recess 202, and wear pad 203 contacts with barrel shaft 301 outer end, annular groove 103 sets up in the outside of shaft hole one 101, round pin axle 3 runs through the inboard of shaft hole one 101 and shaft hole two 201 and cooperates through separation blade 302 and axle sleeve 102 and realizes the fixed to round pin axle 3 both ends, recess 202 provides the mounted position for wear pad 203, barrel shaft 301 contacts with the inboard wear pad 203 when the barrel shaft 301 produces relative slip in the chain use, wear pad 203 has reduced the damage that barrel shaft 301 caused interior link joint 2 when sliding.

Referring to fig. 1, 2, 3 and 5, a low wear long life chain;

Comprises a pin shaft 3, a buffer assembly 4 and a buffer frame 401, wherein the pin shaft 3 is arranged on the opposite side of the inner chain plate 2, a cylinder shaft 301 is sleeved on the outer side of the pin shaft 3, a baffle plate 302 is arranged on the outer side of the pin shaft 3, the outer end of the pin shaft 3 is matched with the shaft sleeve 102, an oil storage cavity 303 is arranged in the pin shaft 3, a flow hole 304 is arranged on the outer side of the pin shaft 3, the flow hole 304 is communicated with the oil storage cavity 303, an oil absorption pad 305 is arranged on the inner side of the flow hole 304, lubricating oil in the oil storage cavity 303 flows out of the pin shaft 3 and the cylinder shaft 301 through the flow hole 304 to lubricate the pin shaft 3 and the cylinder shaft 301, sliding abrasion between the pin shaft 3 and the cylinder shaft 301 is further reduced, the oil absorption pad 305 prevents impact generated when the lubricating oil flows out of the flow hole 304, waste caused by massive outflow of the lubricating oil through the flow hole 304 is avoided, the inner side of the annular groove 103 is provided with the buffer assembly 4, the buffer assembly 4 is used for buffering and protecting the joint of the outer chain plate 1 and the inner chain plate 2, the buffer component 4 comprises a buffer frame 401 and a wear-resistant frame 403, the buffer frame 401 is arranged on the bottom wall of the annular groove 103, a chute 402 is arranged on the inner wall of the buffer frame 401, the wear-resistant frame 403 is arranged on the inner side of the chute 402 in a jogged manner, the wear-resistant frame 403 is contacted with the cylinder shaft 301, a damper 404 is arranged on the bottom wall of the buffer frame 401, a buffer spring 405 is arranged on the outer side of the damper 404, the top end of the buffer spring 405 is connected with the bottom of the wear-resistant frame 403, the chute 402 ensures the stability of the movement of the wear-resistant frame 403, the annular groove 103 provides an installation position for the buffer component 4, the inner chain plate 2 is driven by the wear-resistant frame 403 to squeeze the buffer spring 405 when the outer chain plate 1 and the inner chain plate 2 shake, the buffer spring 405 buffers shaking impact, the damper 404 prevents the buffer spring 405 from driving the wear-resistant frame 403 to reciprocate on the inner side of the buffer frame 401, buffering the sliding of the chain in use reduces the wear generated between the connection of the inner link plate 2 and the outer link plate 1.

Referring to fig. 1, 2 and 4, a low wear long life chain;

Including screw thread post 5 and sealed lid 6, screw thread post 5 is installed to the outer end of round pin axle 3, and screw thread post 5 is located the outside of oil storage chamber 303, extrusion groove 501 has been seted up to the outside symmetry of screw thread post 5, spacing frame 502 is installed to the inboard gomphosis of extrusion groove 501, install extrusion spring 503 on the inner wall of extrusion groove 501, and the outer end of extrusion spring 503 is connected with the inboard of spacing frame 502, there is sealed lid 6 outside through threaded connection, spacing hole 601 has been seted up in the outside of sealed lid 6, and spacing hole 601 cooperatees with spacing frame 502, press spacing frame 502 when adding lubricating oil and make it break away from spacing hole 601 inboard, spacing frame 502 is removed in extrusion groove 501 inboard and is extruded extrusion spring 503, the threaded connection relation between sealed lid 6 and the screw thread post 5 is relieved to rotation sealed lid 6, seal of round pin axle 3 oil storage chamber 303 has avoided lubricating oil to leak, carry out spacing after the threaded connection has prevented that the chain from long-term use screw thread connection produces not hard up and loose and causes sealed lid 6 to drop.

Working principle: when the device is used, firstly, when the pin shaft 3 and the barrel shaft 301 slide relatively in the use process of the chain, the barrel shaft 301 is contacted with the wear-resistant pad 203 on the inner side of the inner chain plate 2, when the outer chain plate 1 and the inner chain plate 2 shake, the inner chain plate 2 is driven by the wear-resistant frame 403 to squeeze the buffer spring 405, the buffer spring 405 buffers shaking impact, the damper 404 prevents the buffer spring 405 from driving the wear-resistant frame 403 to shake reciprocally on the inner side of the buffer frame 401, when lubricating oil is added, the limiting frame 502 is pressed to separate from the inner side of the limiting hole 601, the limiting frame 502 moves on the inner side of the extruding groove 501 to extrude the extruding spring 503, the threaded connection relation between the sealing cover 6 and the threaded column 5 is relieved by rotating the sealing cover 6, and lubricating oil in the oil storage cavity 303 flows out through the flow hole 304 to lubricate the pin shaft 3 and the barrel shaft 301.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a long-life chain of low wearing and tearing, includes outer link joint (1), inner link joint (2) and buffering subassembly (4), its characterized in that: the outer link joint (1) is installed in the outside of outer link joint (1), ring channel (103) have been seted up to the inboard of outer link joint (1), the inboard of outer link joint (1) is provided with inner link joint (2), round pin axle (3) are installed to the opposite side of inner link joint (2), barrel shaft (301) have been cup jointed in the outside of round pin axle (3), separation blade (302) are installed in the outside of round pin axle (3), the outer end and the cooperation of axle sleeve (102) of round pin axle (3), the inboard of ring channel (103) is provided with buffer assembly (4), buffer assembly (4) are used for carrying out buffering protection to outer link joint (1) and inner link joint (2), buffer assembly (4) are including buffer frame (401) and wear-resisting frame (403), buffer frame (401) are installed on the diapire of ring channel (103), spout (402) have been seted up on the inner wall of buffer frame (401), wear-resisting frame (403) are installed in the inboard gomphosis of spout (402), and wear-resisting frame (403) contact with barrel shaft (301).

2. A low wear long life chain according to claim 1, wherein: the outer side of the outer chain plate (1) is provided with a first shaft hole (101) in a penetrating mode, and the pin shaft (3) penetrates through the inner side of the first shaft hole (101).

3. A low wear long life chain according to claim 1, wherein: the outside of inner link joint (2) runs through and has seted up shaft hole two (201), shaft hole two (201) and shaft hole one (101) assorted, and round pin axle (3) run through the inboard of shaft hole two (201), and recess (202) have been seted up to the inboard of inner link joint (2), and wear pad (203) are installed in the inboard gomphosis of recess (202), and wear pad (203) and the contact of barrel arbor (301) outer end.

4. A low wear long life chain according to claim 1, wherein: the inside of round pin axle (3) is provided with oil storage chamber (303), and circulation hole (304) have been seted up in the outside of round pin axle (3), and circulation hole (304) are linked together with oil storage chamber (303), and oil absorption pad (305) are installed to the inboard of circulation hole (304).

5. A low wear long life chain according to claim 1, wherein: a damper (404) is arranged on the bottom wall of the buffer frame (401), a buffer spring (405) is arranged on the outer side of the damper (404), and the top end of the buffer spring (405) is connected with the bottom of the wear-resistant frame (403).

6. A low wear long life chain according to claim 1, wherein: the outer end of round pin axle (3) is installed threaded column (5), and threaded column (5) are located the outside of oil storage chamber (303), and extrusion groove (501) have been seted up to the outside symmetry of threaded column (5), and limit frame (502) are installed in the inboard gomphosis of extrusion groove (501), install extrusion spring (503) on the inner wall of extrusion groove (501), and the outer end of extrusion spring (503) is connected with the inboard of limit frame (502).

7. The low wear long life chain of claim 6 wherein: the outside of screw thread post (5) is through threaded connection has sealed lid (6), and spacing hole (601) have been run through in the outside of sealed lid (6), and spacing hole (601) and spacing (502) cooperate.