CN215285048U - But fast assembly's caterpillar track assembly - Google Patents
But fast assembly's caterpillar track assembly Download PDFInfo
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- CN215285048U CN215285048U CN202121269927.7U CN202121269927U CN215285048U CN 215285048 U CN215285048 U CN 215285048U CN 202121269927 U CN202121269927 U CN 202121269927U CN 215285048 U CN215285048 U CN 215285048U
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Abstract
A caterpillar track assembly capable of being assembled quickly structurally comprises a plurality of caterpillar track pieces which are connected with each other through hinges, a positioning barrel is fixedly sleeved at the top end of each caterpillar track piece, a hinge pin is arranged at the bottom end of each caterpillar track piece, a movable groove is respectively arranged at the upper part and the lower part of the inner wall of the middle part of each positioning barrel, a positioning seat is arranged in each movable groove in a sliding mode, after the hinge pin of one chain rail piece is embedded into the positioning cylinder of the other chain rail piece and the hinge assembling work is finished, the positioning bolt of the positioning cylinder is aligned to the middle part of the hinge pin, then the positioning bolt is screwed in, so that the positioning bolt drives the rotatably connected positioning seat to move towards the direction of the annular slide rail, when the rotating end of the positioning bolt is matched with the positioning groove, the positioning seat drives the rolling steel ball to be matched with the annular slide rail to complete the positioning limitation, and the hinge connection of the positioning cylinder and the hinge pin cannot be influenced, so that the positioning cylinder and the caterpillar track piece are effectively prevented from being in contact abrasion when the hinge works.
Description
Technical Field
The utility model relates to a but fast assembly's caterpillar track assembly belongs to caterpillar track assembly field.
Background
After the caterpillar track piece and the caterpillar track piece are mutually hinged and assembled, a positioning barrel of the caterpillar track piece is in a movable state and can rotate and transversely move left and right, and the caterpillar track piece is easily contacted with the inner wall of another caterpillar track piece in the hinge moving process to cause abrasion.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a but fast assembly's caterpillar track assembly to solve current excavator caterpillar track assembly at caterpillar track spare and the mutual hinge assembly back of caterpillar track spare, the location section of thick bamboo of caterpillar track spare is in the active state, can rotate and control the sideslip, easily at hinge activity in-process, takes place the contact with the inner wall of another caterpillar track spare, causes the problem of wearing and tearing.
In order to achieve the above purpose, the present invention is realized by the following technical solution: a caterpillar track assembly capable of being assembled quickly structurally comprises a plurality of caterpillar track pieces which are connected with each other in a hinged mode, a positioning cylinder is fixedly sleeved at the top end portion of each caterpillar track piece, a hinge pin is arranged at the bottom end portion of each caterpillar track piece, movable grooves are formed in the upper portion and the lower portion of the inner wall of the middle of each positioning cylinder, positioning seats are arranged in the movable grooves in a sliding mode, rolling steel balls are arranged in the positioning seats in a rotating mode, positioning bolts are connected to the outer walls of the positioning cylinders in a threaded mode, the end portions of the positioning bolts are matched in the movable grooves and are connected with the positioning seats in a rotating mode, positioning grooves for sheathing the rotating ends of the positioning bolts are further formed in the outer walls of the positioning cylinders, and annular sliding rails corresponding to the rolling steel balls are arranged in the middle of the hinge pins.
Further, the hinge pin is made of stainless steel.
Furthermore, a fixing block for limiting and fixing the hinge pin is arranged on one side of the bottom end of the chain track piece.
Furthermore, a plurality of assembling holes are formed in the chain rail piece.
The utility model has the advantages that: the hinge pin of one chain rail piece is embedded into the positioning cylinder of the other chain rail piece, after the hinge assembly work is completed, the positioning bolt of the positioning cylinder is aligned to the middle part of the hinge pin, then the positioning bolt is screwed in, so that the positioning bolt drives the positioning seat which is connected in a rotating mode to move towards the direction of the annular slide rail, when the positioning groove is assembled at the rotating end of the positioning bolt, the positioning seat drives the rolling steel ball to be assembled into the annular slide rail, the positioning limitation is completed, the hinge connection of the positioning cylinder and the hinge pin cannot be influenced, and the contact abrasion between the positioning cylinder and the chain rail piece is effectively prevented when the hinge works.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a caterpillar assembly capable of being assembled quickly according to the present invention;
fig. 2 is a schematic cross-sectional view of a caterpillar assembly of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1 and 2, the present invention provides a technical solution for a caterpillar assembly capable of being assembled quickly: the structure of the device comprises a plurality of caterpillar track pieces 1 which are mutually hinged, wherein the top end part of each caterpillar track piece 1 is fixedly sleeved with a positioning cylinder 2, the bottom end part of each caterpillar track piece 1 is provided with a hinge pin 3, the upper part and the lower part of the inner wall of the middle part of each positioning cylinder 2 are respectively provided with a movable groove 4, a positioning seat 5 is arranged in each movable groove 4 in a sliding manner, the inner end part of each positioning seat 5 is rotatably provided with a rolling steel ball 6, the outer wall of each positioning cylinder 2 is in threaded connection with a positioning bolt 7, the end part of each positioning bolt 7 is matched into each movable groove 4 and is rotatably connected with each positioning seat 5, the outer wall of each positioning cylinder 2 is also provided with a positioning groove 8 for sheathing the rotating end of each positioning bolt 7, the middle part of each hinge pin 3 is provided with an annular slide rail 9 corresponding to each rolling steel ball 6, each hinge pin 3 is made of stainless steel, one side of the bottom end part of each caterpillar track piece 1 is provided with a fixing block for limiting and fixing the hinge pin 3, and a plurality of assembling holes are formed in the chain rail piece 1.
For example, after the hinge pin 3 of one chain rail member 1 is nested into the positioning cylinder 2 of another chain rail member 1, and the hinge assembly work is completed, the positioning bolt 7 of the positioning cylinder 2 is aligned to the middle part of the hinge pin 3, and then the positioning bolt 7 is screwed in, so that the positioning bolt 7 drives the positioning seat 5 which is rotatably connected to move towards the annular slide rail 9, when the rotating end of the positioning bolt 7 is fitted into the positioning groove 8, the positioning seat 5 drives the rolling steel ball 6 to be fitted into the annular slide rail 9, so that the positioning limitation is completed, the hinge connection between the positioning cylinder 2 and the hinge pin 3 is not affected, and the contact abrasion between the positioning cylinder 2 and the chain rail member 1 is effectively prevented when the hinge works.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. A but fast assembly's caterpillar track assembly which characterized in that: the structure of the device comprises a plurality of chain rail pieces (1) which are hinged with each other, a positioning cylinder (2) is fixedly sleeved at the top end part of each chain rail piece (1), the bottom end part of the chain track piece (1) is provided with a hinge pin (3), the upper part and the lower part of the inner wall of the middle part of the positioning cylinder (2) are respectively provided with a movable groove (4), a positioning seat (5) is arranged in the movable groove (4) in a sliding way, a rolling steel ball (6) is arranged at the inner end part of the positioning seat (5) in a rotating way, the outer wall of the positioning cylinder (2) is in threaded connection with a positioning bolt (7), the end part of the positioning bolt (7) is matched into the movable groove (4), and is rotationally connected with the positioning seat (5), the outer wall of the positioning cylinder (2) is also provided with a positioning groove (8) for sheathing the rotating end of the positioning bolt (7), and the middle part of the hinge pin (3) is provided with an annular slide rail (9) corresponding to the rolling steel ball (6).
2. A quickly assemblable caterpillar assembly according to claim 1, wherein: the hinge pin (3) is made of stainless steel.
3. A quickly assemblable caterpillar assembly according to claim 1, wherein: and a fixing block for limiting and fixing the hinge pin (3) is arranged on one side of the bottom end part of the chain rail piece (1).
4. A quickly assemblable caterpillar assembly according to claim 1, wherein: and a plurality of assembling holes are formed in the chain rail piece (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121269927.7U CN215285048U (en) | 2021-06-08 | 2021-06-08 | But fast assembly's caterpillar track assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121269927.7U CN215285048U (en) | 2021-06-08 | 2021-06-08 | But fast assembly's caterpillar track assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215285048U true CN215285048U (en) | 2021-12-24 |
Family
ID=79514722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121269927.7U Active CN215285048U (en) | 2021-06-08 | 2021-06-08 | But fast assembly's caterpillar track assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215285048U (en) |
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2021
- 2021-06-08 CN CN202121269927.7U patent/CN215285048U/en active Active
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