CN220842747U - Combined track shoe convenient to replace - Google Patents
Combined track shoe convenient to replace Download PDFInfo
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- CN220842747U CN220842747U CN202322224145.7U CN202322224145U CN220842747U CN 220842747 U CN220842747 U CN 220842747U CN 202322224145 U CN202322224145 U CN 202322224145U CN 220842747 U CN220842747 U CN 220842747U
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- track shoe
- bolt
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- telescopic
- pressing block
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- 240000005002 Erythronium dens canis Species 0.000 claims description 10
- 230000006978 adaptation Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 description 4
- 241000219098 Parthenocissus Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a combined track shoe convenient to replace, which comprises a track shoe, a chain assembly and a fastening assembly, wherein the fastening assembly comprises a bolt and a nut, the bolt is sleeved with the nut through a through hole, the upper part of the bolt is of a hollow structure, an opening is formed in the side edge of the bolt, a telescopic lug is arranged at the opening, the telescopic lug is blocked at two sides of the top of the nut, a first telescopic spring is arranged at one inward end of the telescopic lug, a first convex tooth is arranged at the upper part of the telescopic lug, a pressing block is arranged above the first convex tooth, a second convex tooth is arranged at the lower part of the pressing block, and the second convex tooth is movably abutted with the first convex tooth. According to the track shoe, the telescopic protruding blocks can be driven to retract inwards through the pressing blocks downwards, so that the bolts and nuts are quickly loosened, the track shoe and the chain are separated, and the track shoe is convenient to replace; after the track shoe is replaced, only the pressing block is required to be pressed downwards again, the telescopic protruding block is retracted inwards, the pressing block is loosened after the nut falls down, and the telescopic protruding block is clamped with the nut; the utility model has novel structure and simple operation, and is suitable for popularization.
Description
Technical Field
The utility model relates to the technical field of excavator accessories, in particular to a combined track shoe convenient to replace.
Background
The track shoe is one of chassis parts of engineering machinery and is a vulnerable part of the engineering machinery. The crawler belt is usually applied to mechanical engineering such as an excavator, a bulldozer, a crawler crane and a paver, the crawler belt is usually fastened with a chain through bolts, and the crawler belt is meshed with gears of a supporting wheel, a guide wheel and a toothed ring through the chain to form a crawler belt assembly of the excavator, the bulldozer and the crawler crane. In view of the above, the present inventors have proposed a combined track shoe that is easy to replace to solve the above-mentioned problems, and can quickly release the track shoe from the chain to facilitate replacement.
In order to solve the problems of high abrasion speed of the track shoe, short service life and high maintenance cost caused by the fact that the whole track shoe is required to be replaced frequently during maintenance, chinese patent application, bulletin number: CN216861631U discloses a combined track shoe, which comprises a first track shoe body and a second track shoe body, wherein the first track shoe body and the second track shoe body are composed of a plurality of track shoes, the outer surfaces of the first track shoe body and the second track shoe body are respectively connected with a storage box, the top of each storage box is provided with a buffer plate, and two ends of the outer surfaces of the first track shoe body and the second track shoe body are respectively and symmetrically connected with an anti-skid rubber block. According to the crawler belt, the first crawler belt plate body and the second crawler belt plate body are connected and combined to form the crawler belt, when the crawler belt of the first crawler belt plate body and the crawler belt of the second crawler belt plate body are damaged, the damaged first crawler belt plate body and the damaged second crawler belt plate body are replaced, the whole crawler belt device is not required to be replaced, and the crawler belt maintenance cost can be effectively saved.
The scheme still has some shortages in the application, because the track shoe and the chain are fastened by adopting the bolt and the nut, the problem that the screw threads of the bolt and the nut are rusted or worn to cause poor unscrewing and separation for replacement still can occur, and the space around the nut for fastening is relatively narrow, so that tools such as a spanner are inconvenient to operate, and the track shoe and the chain are separated and become relatively troublesome, therefore, the fastening structure of the track shoe and the chain is required to be improved, the track shoe and the chain can be effectively fastened, the track shoe can be quickly separated, the replacement and maintenance are convenient, and the function of the track shoe for replacement is improved.
Disclosure of utility model
The utility model discloses a combined track shoe which is convenient to replace and mainly aims to overcome the defects and the shortcomings in the prior art.
The technical scheme adopted by the utility model is as follows:
The utility model provides a combination formula track shoe convenient to change, includes track shoe, chain subassembly and fastening assembly, the track shoe with correspond on the chain subassembly and be equipped with the through-hole, fastening assembly includes bolt and nut, the bolt wears to establish the through-hole with the nut cup joints, bolt upper portion is hollow structure and side is equipped with the opening, and this opening is equipped with scalable lug with adaptation, should scalable lug adaptation keep off and locate nut top both sides, the inward one end of scalable lug is equipped with first extension spring and upper portion is equipped with first dogtooth, and this first dogtooth top corresponds to be equipped with presses the piece, and this pressing block lower part is equipped with the second dogtooth, this second dogtooth with first dogtooth activity butt.
Still further, the pressing block is internally arranged in the hollow structure, and the top part of the pressing block penetrates through the bolt to extend upwards.
Still further, press the piece bottom and be equipped with the dog, bolt upper portion inside wall is equipped with the retaining ring, the dog with the retaining ring activity keeps off and establishes and be equipped with the second extension spring between.
Further, the first convex teeth are in a positive trapezoid shape with a narrow upper part and a wide lower part, and the second convex teeth are in an inverted trapezoid shape with a wide upper part and a narrow lower part.
Furthermore, the inverted trapezoid inclined plane and the positive trapezoid inclined plane are arranged in opposite directions.
Further, the telescopic protruding blocks are in a fan shape and are symmetrically arranged on the sides.
As can be seen from the above description of the present utility model, the present utility model has the following advantages compared with the prior art:
The telescopic lug is arranged at the upper part of the bolt, the first convex tooth is arranged at one inward side of the telescopic lug, the pressing block is arranged at the upper part of the bolt, the second convex tooth is arranged at the lower part of the pressing block, the first convex tooth and the second convex tooth are movably abutted, the telescopic lug can be driven to retract inwards by the pressing block downwards, the bolt and the nut can be quickly loosened through the arrangement, the creeper tread and the chain are separated, the replacement is convenient, and compared with the existing thread unscrewing mode, the operation is more convenient; then, after the track shoe is replaced, the pressing block is only required to be pressed downwards again, the telescopic protruding block is retracted inwards, and the pressing block is loosened after the nut falls down, so that the telescopic protruding block and the nut are clamped tightly, and the fastening is realized; finally, the telescopic lug is fan-shaped and symmetrically arranged on the side, so that bolts and nuts can be effectively fastened.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic front view of the fastening assembly of the present utility model.
Fig. 3 is a schematic diagram of a front view of a fastening assembly of the present utility model.
Fig. 4 is a schematic top view of the fastening assembly of the present utility model.
Detailed Description
Specific embodiments of the present utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, a combined track shoe convenient to replace comprises a track shoe 1, a chain component 2 and a fastening component 3, wherein through holes (schematic diagrams are not marked due to view reasons) are correspondingly formed in the track shoe 1 and the chain 2 component, the fastening component 3 comprises a bolt 31 and a nut 32, the bolt 31 penetrates through the through holes and is sleeved with the nut 32, the upper portion of the bolt 31 is of a hollow structure, an opening is formed in the side edge of the bolt, a telescopic lug 4 is adaptively arranged on two sides of the top of the nut 32, the telescopic lug 4 is adaptively blocked on two sides of the top of the nut 32, a first telescopic spring 5 is arranged at the inward end of the telescopic lug 4, a first convex tooth 6 is arranged on the upper portion of the telescopic lug, a pressing block 7 is correspondingly arranged above the first convex tooth 6, a second convex tooth 8 is arranged on the lower portion of the pressing block 7, and the second convex tooth 8 is movably abutted with the first convex tooth 6.
Further, the pressing block 7 is internally arranged in the hollow structure and the top part of the pressing block penetrates through the bolt 31 to extend upwards.
Furthermore, a stop block 71 is arranged at the bottom of the pressing block 7, a retainer ring 9 is arranged on the inner side wall of the upper portion of the bolt 31, and a second telescopic spring 10 is arranged between the stop block 71 and the retainer ring 9.
Further, the first convex teeth 6 are in a positive trapezoid shape with a narrow upper part and a wide lower part, and the second convex teeth 8 are in an inverted trapezoid shape with a wide upper part and a narrow lower part.
Furthermore, the inverted trapezoid inclined plane and the positive trapezoid inclined plane are arranged in opposite directions.
Further, the telescopic bump 4 is fan-shaped and symmetrically arranged on the side.
[ Detailed description ]
When the track shoe 1 and the chain 2 are fastened through sleeving the bolt 31 and the nut 32 and the damaged track shoe 1 needs to be replaced, firstly, the pressing block 7 is pressed downwards, the second convex tooth 8 at the lower part of the pressing block 7 is abutted against the first convex tooth 6 of the telescopic lug 4, as the second convex tooth 8 is in an inverted trapezoid shape, the first convex tooth 6 is in a positive trapezoid shape, and the inverted trapezoid inclined surface and the positive trapezoid inclined surface are oppositely arranged, the second convex tooth 8 gradually drives the first convex tooth 6 to move inwards, the telescopic lug 4 moves inwards to separate from the nut 32 and abut against the nut 31, then, the track shoe 1 and the chain 2 are separated for quick replacement, finally, after the track shoe 1 is replaced, the track shoe 1 and the chain 2 are penetrated through the through holes of the bolt 31, the pressing block 7 is pressed downwards, the telescopic lug 4 is contracted inwards, the pressing block 7 is loosened again, and the telescopic lug 4 is outwards ejected out through the first telescopic spring 5 to be clamped with the nut 32 when the nut 32 falls down, so that the track shoe is fastened, and the track shoe 1 is replaced quickly.
As can be seen from the above description of the present utility model, the present utility model has the following advantages compared with the prior art:
The telescopic lug is arranged at the upper part of the bolt, the first convex tooth is arranged at one inward side of the telescopic lug, the pressing block is arranged at the upper part of the bolt, the second convex tooth is arranged at the lower part of the pressing block, the first convex tooth and the second convex tooth are movably abutted, the telescopic lug can be driven to retract inwards by the pressing block downwards, the bolt and the nut can be quickly loosened through the arrangement, the creeper tread and the chain are separated, the replacement is convenient, and compared with the existing thread unscrewing mode, the operation is more convenient; then, after the track shoe is replaced, the pressing block is only required to be pressed downwards again, the telescopic protruding block is retracted inwards, and the pressing block is loosened after the nut falls down, so that the telescopic protruding block and the nut are clamped tightly, and the fastening is realized; finally, the telescopic lug is fan-shaped and symmetrically arranged on the side, so that bolts and nuts can be effectively fastened.
The foregoing is merely illustrative of specific embodiments of the present utility model, and the design concept of the present utility model is not limited thereto, and any insubstantial modifications made by the present utility model shall fall within the scope of the present utility model.
Claims (6)
1. A combination track shoe convenient to change which characterized in that: including track shoe, chain subassembly and fastening assembly, the track shoe with correspond on the chain subassembly and be equipped with the through-hole, fastening assembly includes bolt and nut, the bolt wears to establish the through-hole with the nut cup joints, bolt upper portion is hollow structure and side is equipped with the opening, and this opening is equipped with scalable lug with the adaptation, and this scalable lug adaptation keeps off and locates nut top both sides, the inside one end of scalable lug is equipped with first extension spring and upper portion is equipped with first dogtooth, and this first dogtooth top corresponds to be equipped with presses the piece, should press the piece lower part to be equipped with the second dogtooth, this second dogtooth with first dogtooth activity butt.
2. A modular track shoe for easy replacement as in claim 1, wherein: the pressing block is arranged in the hollow structure, and the top of the pressing block penetrates through the bolt to extend upwards.
3. A modular track shoe for easy replacement as in claim 1, wherein: the bottom of the pressing block is provided with a stop block, the inner side wall of the upper portion of the bolt is provided with a retainer ring, and the stop block and the retainer ring are movably blocked and a second telescopic spring is arranged between the stop block and the retainer ring.
4. A modular track shoe for easy replacement as in claim 1, wherein: the first convex teeth are in a positive trapezoid with a narrow upper part and a wide lower part, and the second convex teeth are in an inverted trapezoid with a wide upper part and a narrow lower part.
5. The modular track shoe for easy replacement as recited in claim 4, wherein: the inverted trapezoid inclined plane and the regular trapezoid inclined plane are arranged in opposite directions.
6. A modular track shoe for easy replacement as in claim 1, wherein: the telescopic protruding blocks are in a fan shape and are symmetrically arranged on the sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322224145.7U CN220842747U (en) | 2023-08-18 | 2023-08-18 | Combined track shoe convenient to replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322224145.7U CN220842747U (en) | 2023-08-18 | 2023-08-18 | Combined track shoe convenient to replace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220842747U true CN220842747U (en) | 2024-04-26 |
Family
ID=90742529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322224145.7U Active CN220842747U (en) | 2023-08-18 | 2023-08-18 | Combined track shoe convenient to replace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220842747U (en) |
-
2023
- 2023-08-18 CN CN202322224145.7U patent/CN220842747U/en active Active
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