CN220073172U

CN220073172U - Assembly tool for chain

Info

Publication number: CN220073172U
Application number: CN202321634801.4U
Authority: CN
Inventors: 姚航; 潘凯秦
Original assignee: Suzhou Gretel Chain Drive Co ltd
Current assignee: Suzhou Gretel Chain Drive Co ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-11-24
Anticipated expiration: 2033-06-27

Abstract

The utility model relates to the field of chain assembly, in particular to an assembly tool of a chain, which comprises two groups of clamping frames, wherein the clamping frames comprise two groups of clamping sheets, a plurality of springs are arranged between the two groups of clamping sheets, one sides of the clamping sheets, which are far away from the springs, are respectively provided with rubber pads, and the two groups of clamping frames are respectively provided with the bottom ends of two groups of T-shaped sliding blocks; through the compression deformation of the spring, the clamping frame can clamp chain links with different sizes, and the practicability is high.

Description

Assembly tool for chain

Technical Field

The utility model relates to the field of chain assembly, in particular to an assembly tool for a chain.

Background

With the development of industry, chain transmission is widely applied, and with the increase of service time, the chain is subjected to repeated action of loose-edge tension and tight-edge tension for a certain number of cycles, and the chain rollers and the chain sleeves are worn and thinned, and the pin shafts are thinned, so that the chain is extremely easy to be damaged by impact fatigue; meanwhile, the hinge pin and the chain sleeve are easy to glue, the chain hinge is worn, the chain links are lengthened, and the like, in operation, the instantaneous chain speed and instantaneous transmission impact are very easy to stretch or stretch off, namely the chain or the connecting links are required to be replaced, and an assembling tool which is required to be used when the chain or the connecting links are replaced, for example, a heavy chain auxiliary assembling tool for a feeder of the publication No. CN217890826U comprises a fixed block, a force arm, a cross beam and a screw rod, the top ends of the two force arms are respectively hinged at the two ends of the fixed block, the middle part of the force arm is provided with a strip-shaped hole, the two ends of the cross beam are slidably mounted on the strip-shaped hole of the force arm through the hinge pin, the middle part of the screw rod is axially limited and rotatably mounted at the middle part of the fixed block, the lower section of the screw rod is in threaded connection with the middle part of the cross beam, and the bottom end of the force arm is provided with an arc hook claw which is convenient to hook the chain.

When the device is used, the two groups of arc-shaped hook claws are respectively hooked on the chain links at the two ends of the part to be assembled of the chain so as to finish tensioning of the butt joint installation work of the chain, and the chain is convenient to butt joint.

Disclosure of Invention

The utility model aims to provide a chain assembling tool which comprises two groups of clamping frames, wherein each clamping frame comprises two groups of clamping sheets, a plurality of springs are arranged between the two groups of clamping sheets, rubber pads are arranged on one sides, far away from the springs, of the clamping sheets, and the two groups of clamping frames are respectively provided with the bottom ends of two groups of T-shaped sliding blocks.

Preferably: the two groups of T-shaped sliding blocks are all in sliding clamping connection in the sliding grooves of the fixing plate.

Preferably: the two groups of the T-shaped sliding blocks are connected with the rotating shaft through threads, the outer surface of the rotating shaft is provided with threads I and threads II which are opposite in threads and identical in pitch, one group of the T-shaped sliding blocks are connected with the threads I through threads, and the other group of the T-shaped sliding blocks are connected with the threads II through threads.

Preferably: one end of the rotating shaft is connected with the first fixed block through a bearing, and the other end of the rotating shaft movably penetrates through the second fixed block and is fixedly connected with a hand wheel.

Preferably: the two groups of T-shaped sliding blocks are internally provided with sliding rods in a sliding penetrating way, and two ends of each sliding rod are fixedly connected to the wall of each sliding groove.

Preferably: the first fixing block is fixedly arranged at one end of the top of the fixing plate, and the second fixing block is fixedly arranged at the other end of the top of the fixing plate.

Preferably: the distance between the two groups of T-shaped sliding blocks and the joint of the first thread and the second thread is the same, and the total length of the first thread and the second thread is the same as the length of the sliding groove.

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

according to the chain, the two groups of clamping frames are respectively inserted into the two chain links at the position to be assembled of the chain, after the clamping frames are inserted into the chain links, the springs are compressed and rebound outwards, so that the two groups of clamping sheets tightly clamp the chain links, and the chain links cannot fall off from the clamping frames when the distance between the two chain links is adjusted; through the compression deformation of the spring, the clamping frame can clamp chain links with different sizes, and the practicability is high.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a part of the structure of the present utility model;

FIG. 3 is a schematic view of thread one and thread two distributions on a spindle.

In the figure: 1. a clamping frame; 2. a clamping piece; 3. a spring; 4. a rubber pad; 5. a T-shaped slider; 6. a fixing plate; 7. a chute; 8. a rotating shaft; 801. a first thread; 802. a second thread; 9. a first fixed block; 10. a second fixed block; 11. a hand wheel; 12. and a slide bar.

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.

Referring to fig. 1-3, the chain assembling tool of the present utility model includes two groups of clamping frames 1, the clamping frames 1 include two groups of clamping pieces 2, a plurality of springs 3 are disposed between the two groups of clamping pieces 2, rubber pads 4 are disposed on one sides of the clamping pieces 2 away from the springs 3, and the two groups of clamping frames 1 are respectively mounted at bottom ends of two groups of T-shaped sliding blocks 5.

The two groups of T-shaped sliding blocks 5 are slidably clamped in the sliding grooves 7 of the fixing plate 6, and the two groups of T-shaped sliding blocks 5 can slidably move in the sliding grooves 7.

The two groups of T-shaped sliding blocks 5 are connected with the rotating shaft 8 through threads on the inner sides of the T-shaped sliding blocks 5, the first 801 and the second 802 threads which are opposite in threads and identical in thread pitch are arranged on the outer surface of the rotating shaft 8, one group of T-shaped sliding blocks 5 are connected with the first 801 threads through threads, the other group of T-shaped sliding blocks 5 are connected with the second 802 threads through threads on the inner sides of the T-shaped sliding blocks 5, and the two groups of T-shaped sliding blocks 5 can be driven to move along opposite directions through rotation of the rotating shaft 8.

One end of the rotating shaft 8 is connected with the first fixed block 9 through a bearing, the other end of the rotating shaft 8 movably penetrates through the second fixed block 10 and is fixedly connected with a hand wheel 11, and the rotating hand wheel 11 can drive the rotating shaft 8 to rotate.

The two groups of T-shaped sliding blocks 5 are provided with sliding rods 12 in a sliding penetrating mode, two ends of each sliding rod 12 are fixedly connected to the wall of the corresponding sliding groove 7, and the sliding rods 12 are arranged, so that the two groups of T-shaped sliding blocks 5 are stable in structure in the sliding groove 7.

The first fixing block 9 is fixedly arranged at one end of the top of the fixing plate 6, and the second fixing block 10 is fixedly arranged at the other end of the top of the fixing plate 6, so that the structure is stable.

The distance between the two groups of T-shaped sliding blocks 5 and the joint of the first thread 801 and the second thread 802 is the same, and the total length of the first thread 801 and the second thread 802 is the same as the length of the chute 7, so that the two groups of T-shaped sliding blocks 5 cannot be separated from the first thread 801 and the second thread 802 in the sliding displacement process.

The working principle of the utility model is as follows: when the chain clamping device is used, two groups of clamping frames 1 are respectively inserted into two chain links of a part to be assembled of a chain, after the clamping frames 1 are inserted into the chain links, a plurality of springs 3 are compressed and then rebound outwards, so that the two groups of clamping sheets 2 tightly clamp the chain links, in the process, a rubber pad 4 is extruded, a rubber pad 54 can be tightly attached to the chain links, when the distance between the two chain links is adjusted, the chain links cannot fall off from the clamping frames 1, after the two chain links are clamped, a rotating hand wheel 11 drives a rotating shaft 8 to rotate, the rotating shaft 8 drives two groups of T-shaped sliding blocks 5 to move towards the joint direction of a first thread 801 and a second thread 802, the distance between the two groups of T-shaped sliding blocks 5 is gradually closed, two ends of the part to be assembled of the chain can be fast tensioned, the distance between the chain sleeves is accurate, chain joint pin penetrating operation is convenient, and an annular chain is formed; it should be noted that the material used for the holding piece 2 is spring steel, so that the holding piece 2 has good elasticity.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides an assembly tool of chain, includes two sets of holders (1), its characterized in that: the clamping frame (1) comprises two groups of clamping pieces (2), a plurality of springs (3) are arranged between the two groups of clamping pieces (2), rubber pads (4) are arranged on one sides, far away from the springs (3), of the clamping pieces (2), and the two groups of clamping frames (1) are respectively provided with the bottoms of the two groups of T-shaped sliding blocks (5).

2. The chain fitting tool according to claim 1, wherein: the two groups of T-shaped sliding blocks (5) are both in sliding clamping connection with the sliding grooves (7) of the fixed plate (6).

3. The chain fitting tool according to claim 1, wherein: the two groups of T-shaped sliding blocks (5) are connected with a rotating shaft (8) through threads on the inner sides of the T-shaped sliding blocks, first threads (801) and second threads (802) which are opposite in threads and identical in thread pitch are arranged on the outer surface of the rotating shaft (8), one group of T-shaped sliding blocks (5) are connected with the first threads (801) through threads on the inner sides of the T-shaped sliding blocks, and the other group of T-shaped sliding blocks (5) are connected with the second threads (802) through threads on the inner sides of the T-shaped sliding blocks.

4. A chain fitting tool according to claim 3, wherein: one end of the rotating shaft (8) is connected with the first fixed block (9) through a bearing, and the other end of the rotating shaft (8) movably penetrates through the second fixed block (10) and is fixedly connected with a hand wheel (11).

5. The chain fitting tool according to claim 1, wherein: the inner sides of the two groups of T-shaped sliding blocks (5) are provided with sliding rods (12) in a sliding penetrating mode, and two ends of each sliding rod (12) are fixedly connected to the groove walls of the sliding grooves (7).

6. The chain fitting tool according to claim 4, wherein: the first fixing block (9) is fixedly arranged at one end of the top of the fixing plate (6), and the second fixing block (10) is fixedly arranged at the other end of the top of the fixing plate (6).

7. The chain fitting tool according to claim 1, wherein: the distance between the two groups of T-shaped sliding blocks (5) and the joint of the first screw thread (801) and the second screw thread (802) is the same, and the total length of the first screw thread (801) and the second screw thread (802) is the same as the length of the sliding groove (7).