CN219339592U

CN219339592U - Integrated track shoe, track assembly and engineering machinery

Info

Publication number: CN219339592U
Application number: CN202320386337.5U
Authority: CN
Inventors: 朱安行; 封小鹏; 黄军峰
Original assignee: Suote Transmission Equipment Co Ltd
Current assignee: Suote Transmission Equipment Co Ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-07-14
Anticipated expiration: 2033-03-03

Abstract

The utility model provides an integrated track shoe, a track assembly and engineering machinery, wherein the integrated track shoe comprises a rigid framework and an elastomer, and the elastomer is wrapped outside the rigid framework; one side of the elastic body is provided with a convex part and a concave part with matched shapes, and the convex part and the concave part are arranged on two sides of the wide side of the elastic body. The integrated track shoes with the structure are arranged side by side on the long sides of the integrated track shoes, and the convex part of one integrated track shoe stretches into the inner side of the concave part of the adjacent integrated track shoe so as to reduce the interval between adjacent integrated track shoes when the track assembly runs, shield the caterpillar track on the inner side of the integrated track shoe, prevent foreign matters from entering the caterpillar track to impact the caterpillar track, and prolong the service life of the track assembly; meanwhile, in the running process of the track assembly, the stress area of the track assembly can be increased by matching the adjacent convex parts with the concave parts, and the running stability of the track assembly is improved, so that the service life of the track assembly is further prolonged.

Description

Integrated track shoe, track assembly and engineering machinery

Technical Field

The utility model relates to the technical field of track shoes, in particular to an integrated track shoe, a track assembly and engineering machinery.

Background

Some construction machines, such as the rubber track of an excavator, include rubber blocks, steel track shoes, and a track rail that connects the individual steel track shoes together by bolts to form a track link, the rubber blocks being mounted to the steel track shoes by bolts. The rubber block and the steel track plate are required to be separately installed for two times, and the rubber track assembly efficiency is low; meanwhile, the screw tightening moment is difficult to control when the rubber block is installed, and the rubber block is easy to loosen and fall off when collision occurs in the use process of the rubber track shoe. If the rubber block and the steel track plate can be integrally arranged, the assembly efficiency of the rubber track and the connection firmness of the rubber block can be improved.

The integrated track shoe in the prior art comprises a steel skeleton and an elastomer, wherein the elastomer is covered outside the steel skeleton. The width of the elastic body is slightly larger than that of the steel skeleton, the elastic body and the chain rail are connected to form the rubber track, and foreign matters easily enter the chain rail through gaps between adjacent integrated track plates to impact the chain rail due to gaps between adjacent elastic bodies in the operation process of the rubber track, so that the service life of the rubber track is influenced.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to overcome the defect that foreign matters easily enter the caterpillar track to impact the caterpillar track after the integrated caterpillar track plate is assembled into the rubber caterpillar track in the prior art, thereby providing the integrated caterpillar track plate, the caterpillar track assembly and the engineering machinery.

In order to solve the problems, the utility model provides an integrated track shoe, which comprises a rigid framework and an elastomer, wherein the elastomer is wrapped outside the rigid framework; the elastic body is provided with a long side and a wide side, one side of the elastic body is provided with a convex part and a concave part with matched shapes, the convex part and the concave part are arranged on two sides of the wide side of the elastic body, and when a plurality of integrated track shoes are fixed on a caterpillar track, the convex part of one elastic body extends into the concave part of the other elastic body adjacent to the convex part.

Optionally, in the integrated track shoe, the wall surfaces of the convex portion and the concave portion are all arc surfaces.

Optionally, the integrated track shoe described above, wherein the protrusion is integrally connected to the elastomer.

Optionally, the above integrated track shoe, wherein the rigid skeleton is a steel skeleton, and/or the elastomer is made of rubber.

Optionally, the integrated track shoe is provided with a plurality of counter bores, and dustproof plugs are arranged in the counter bores.

Optionally, in the integrated track shoe, the dustproof plug is in interference fit with the counter bore, and/or the dustproof plug is in threaded fit with a hole wall of the counter bore.

Optionally, in the integrated track shoe, the dust-proof plug is made of thermoplastic polyurethane elastomer rubber or nylon.

Optionally, in the integrated track shoe, a concave portion is formed in the middle of the elastic body in the length direction and concave along the thickness direction of the elastic body, and the counter bore is formed in the concave portion.

The present utility model provides a track assembly comprising an integrated track shoe as claimed in any one of the preceding claims and a caterpillar track to which the integrated track shoe is secured.

The utility model provides engineering machinery, which comprises the crawler belt assembly.

The utility model has the following advantages:

1. the integrated track shoe provided by the utility model has the advantages that the elastic body and the rigid framework are integrally arranged, the integrated track shoe is convenient to install, the elastic body can be firmly kept on the rigid framework, and the elastic body cannot fall off. The integrated track shoes are connected to the caterpillar tracks to form a track assembly, the long sides of the integrated track shoes are arranged side by side, and the protruding part of one integrated track shoe extends into the inner side of the concave part of the adjacent integrated track shoe so as to reduce the distance between the adjacent integrated track shoes when the track assembly runs, shield the caterpillar tracks on the inner sides of the integrated track shoes, prevent foreign matters from entering the caterpillar tracks to impact the caterpillar tracks, influence the service life of the caterpillar tracks or the normal running of the caterpillar tracks, and improve the service life of the caterpillar track assembly; meanwhile, in the running process of the track assembly, the stress area of the track assembly can be increased by matching the adjacent convex parts with the concave parts, the running stability of the track assembly is improved, the service life of the track assembly is further prolonged, and the cost is saved.

2. The integrated track shoe is provided with a plurality of counter bores, dust-proof plugs are arranged in the counter bores, the integrated track shoe is fixed on the caterpillar track through bolts, and the heads of the bolts sink into the counter bores. The dustproof plug can effectively prevent sundries from accumulating in the counter bore, prevent the sundries from damaging the integrated track shoe under the condition of poor working conditions, and ensure the normal operation of the track assembly.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 illustrates a side view of an integrated track shoe provided in embodiment 1 of the present utility model;

fig. 2 is a schematic perspective view showing an integrated track shoe according to embodiment 1 of the present utility model;

FIG. 3 is a schematic view of a plurality of integrated track shoe fits provided in embodiment 1 of the present utility model;

fig. 4 shows a schematic view of a track assembly provided in embodiment 2 of the present utility model.

Reference numerals illustrate:

1. an integrated track shoe; 11. an elastomer; 111. a protruding portion; 112. a concave portion; 113. a recessed portion; 12. countersink; 13. a dust-proof plug; 2. a caterpillar track; 3. and (5) a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" 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," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, 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 can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

The utility model provides an integrated track shoe 1, which is shown in fig. 1 to 3, and comprises a rigid framework (not shown in the figure) and an elastomer 11, wherein the elastomer 11 is wrapped outside the rigid framework; the elastic body 11 has a long side and a wide side, one side of the elastic body 11 is provided with a convex part 111 and a concave part 112 with matched shapes, the convex part 111 and the concave part 112 are arranged on two sides of the wide side of the elastic body 11, and when a plurality of integrated track shoes are fixed on a caterpillar track, the convex part of one elastic body extends into the concave part of the other elastic body adjacent to the convex part.

When the integrated track shoe 1 with the structure is used, the integrated track shoe 1 is fixed on the caterpillar track 2, the convex part 111 and the concave part 112 are positioned on one side of the elastic body 11, which faces the caterpillar track 2, the elastic body 11 and the rigid framework are integrally arranged, the integrated track shoe 1 is convenient to install, the elastic body 11 can be firmly kept on the rigid framework, and the elastic body 11 cannot fall off. The integrated track shoes 1 are connected to the caterpillar tracks 2 to form a caterpillar track assembly, referring to fig. 3 and 4, the long sides of the integrated track shoes 1 are arranged side by side, and the convex part 111 of one integrated track shoe 1 extends into the inner side of the concave part 112 of the adjacent integrated track shoe 1 so as to reduce the interval between adjacent integrated track shoes 1 when the caterpillar track assembly operates, shield the caterpillar track 2 on the inner side of the integrated track shoe 1, prevent foreign matters from entering the caterpillar track 2 to impact the caterpillar track 2, influence the service life of the caterpillar track 2 or the normal operation of the caterpillar track 2, and improve the service life of the caterpillar track assembly; meanwhile, in the running process of the track assembly, the stress area of the track assembly can be increased by matching the adjacent convex parts 111 with the concave parts 112, the running stability of the track assembly is improved, the service life of the track assembly is further prolonged, and the cost is saved.

Alternatively, referring to fig. 1, 3 and 4, the wall surfaces of the convex portion 111 and the concave portion 112 are arc surfaces, so that the safety is high, and the inner caterpillar 2 can be effectively protected. The protruding portion 111 and the recessed portion 112 penetrate through the elastic body 11 in the length direction, the protruding portion 111 protrudes outwards from a first side edge of the elastic body 11, the recessed portion 112 is concavely arranged from a second side edge of the elastic body 11, and the first side edge is opposite to the second side edge.

Preferably, the protruding portion 111 is integrally connected to the elastic body 11, and the protruding portion 111 is firmly fixed to the elastic body 11.

A rigid skeleton is provided within the elastomer 11 to ensure the rigidity of the integrated track shoe 1. Alternatively, the rigid skeleton has a rectangular plate shape, the cross-sectional shape of the elastic body 11 is adapted to the rigid skeleton, and the rigid skeleton is provided on the side of the elastic body 11 that is biased toward the side of the caterpillar 2 in the thickness direction.

Optionally, the rigid skeleton is a steel skeleton, which has high strength, light weight and low cost, and can effectively support the elastic body 11 and save material cost. The material of elastomer 11 is rubber, and rubber vulcanization shaping forms elastomer 11 in steel skeleton outside, and elastomer 11 has the shock-absorbing function, can reduce the noise of track subassembly in operation, avoids the track subassembly to damage the road surface when the road surface walks simultaneously.

Referring to fig. 2 and 3, the integrated track plate 1 is provided with a plurality of counter bores 12, dust-proof plugs 13 are arranged in the counter bores 12, the integrated track plate 1 is fixed on the caterpillar track 2 through bolts 3, and the heads of the bolts 3 sink into the counter bores 12. The dustproof plug 13 can effectively prevent sundries from accumulating in the counter bore 12, prevent the sundries from damaging the integrated track plate 1 under the condition of poor working conditions, and ensure the normal operation of the track assembly.

Optionally, the dust plug 13 is in interference fit with the counter bore 12, and/or the dust plug 13 is in threaded fit with the bore wall of the counter bore 12. For example, referring to fig. 2, four counter bores 12 are provided on each integrated track shoe 1, and four dust plugs 13 may be respectively interference fit in the four counter bores 12, or all be in threaded connection with the four counter bores 12, or part of the four dust plugs 13 may be interference fit with the counter bores 12, and part of the four dust plugs may be in threaded fit with the counter bores 12. The dust cap 13 may be fixedly mounted in the counterbore 12 in any other manner.

Optionally, the dust plug 13 is made of thermoplastic polyurethane elastomer rubber or nylon.

Referring to fig. 2, a concave portion 113 is provided at the middle of the elastic body 11 in the length direction and concave along the thickness direction, and a counter bore 12 is provided in the concave portion 113, that is, the counter bore 12 is provided at the middle of the elastic body 11 in the length direction, so that the end of the dustproof plug 13 after being mounted is located at the inner side of the concave portion 113, and the dustproof plug 13 is prevented from falling off due to external impact. Along the thickness direction of the elastic body 11, one side of the elastic body 11 opposite to the concave part 113 is provided with an avoidance concave, and after the integrated track plate 1 is arranged on the caterpillar track 2, the avoidance concave is matched with the caterpillar track 2 to provide rotation and movement space for the caterpillar track 2, so that the integrated track plate 1 is prevented from interfering with the rotational operation of the caterpillar track 2.

As an alternative implementation manner of example 1, the material of the rigid skeleton may be any other metal material with higher strength; the material of the elastic body 11 may be plastic, so long as the material has high wear resistance and certain elasticity, and has certain anti-slip effect.

Example 2

This embodiment provides a track assembly, as shown in fig. 4, comprising the integrated track shoe 1 and the caterpillar track 2 of embodiment 1, the integrated track shoe 1 being fixed to the caterpillar track 2.

The long sides of the integrated track shoes 1 on the track assembly with the structure are arranged side by side, the protruding part 111 of one integrated track shoe 1 stretches into the inner side of the concave part 112 of the adjacent integrated track shoe 1 so as to shield the caterpillar track 2 on the inner side of the integrated track shoe 1, prevent foreign matters from entering the caterpillar track 2 to impact the caterpillar track 2, influence the service life of the caterpillar track 2 or the normal operation of the caterpillar track 2, and improve the service life of the track assembly; meanwhile, in the running process of the track assembly, the stress area of the track assembly can be increased by matching the adjacent convex parts 111 with the concave parts 112, the running stability of the track assembly is improved, the service life of the track assembly is further prolonged, and the cost is saved.

Optionally, the integrated track shoe 1 is fixed to the caterpillar track 2 by bolts 3.

Example 3

This embodiment provides a work machine including the track assembly of embodiment 2.

According to the above description, the present utility model has the following advantages:

1. the integrated track shoes 1 are connected end to end, the convex parts 111 at the end part of one integrated track shoe 1 are matched with the concave parts 112 of the other adjacent integrated track shoes 1, so that the stability of the whole track assembly in the moving process can be ensured, foreign matters are prevented from impacting the caterpillar track 2, the service life of the track assembly is prolonged, and the cost is saved;

2. the dustproof plugs 13 are matched and connected with the counter bores 12 on the integrated track plate 1, so that sundries are effectively prevented from accumulating in the counter bores 12, damage to the track assembly is avoided, and normal operation of the track assembly is ensured.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. An integrated track shoe, comprising:

a rigid skeleton;

an elastic body (11) wrapped outside the rigid framework; the elastic body (11) is provided with a long side and a wide side, one side of the elastic body (11) is provided with a convex part (111) and a concave part (112) which are matched with each other in shape, and the convex part (111) and the concave part (112) are arranged on two sides of the wide side of the elastic body (11).

2. The integrated track shoe according to claim 1, characterized in that the walls of the convex portion (111) and the concave portion (112) are each arc-shaped.

3. The integrated track shoe according to claim 1 or 2, characterized in that the protrusion (111) is integrally connected to the elastomer (11).

4. The integrated track shoe according to claim 1 or 2, characterized in that the rigid skeleton is a steel skeleton and/or the elastomer (11) is rubber.

5. The integrated track shoe according to claim 1 or 2, characterized in that a plurality of counter bores (12) are arranged on the integrated track shoe (1), and a dust-proof plug (13) is arranged in the counter bores (12).

6. The integrated track shoe according to claim 5, characterized in that the dust plug (13) is interference fit with the counterbore (12) and/or the dust plug (13) is screw fit with the bore wall of the counterbore (12).

7. The integrated track shoe according to claim 5, characterized in that the dust plug (13) is made of thermoplastic polyurethane elastomer rubber or nylon.

8. The integrated track shoe according to claim 5, wherein a recess (113) recessed in a thickness direction of the elastic body (11) is provided at a central portion in a length direction thereof, and the counterbore (12) is provided in the recess (113).

9. A track assembly comprising an integrated track shoe according to any one of claims 1 to 8 and a caterpillar track (2), the integrated track shoe (1) being fixed to the caterpillar track (2).

10. A work machine comprising the track assembly of claim 9.