CN209868472U - Disassembling tool for track pin shaft - Google Patents

Abstract

The utility model discloses a dismounting tool for a track pin shaft, which comprises an upper plate located above the track shoe, a top plate used to fit one end surface of the track shoe and a fixing plate located outside the other end of the track shoe, the top plate The upper end of the upper end of the upper end of the fixed plate and the upper end of the fixed plate are fixedly installed on the upper plate, and the oil cylinder is installed on the fixed plate, and the piston rod of the oil cylinder is equipped with a device for pushing out the crawler pin shaft under the drive of the piston rod. Or jacking shaft, the center of the piston rod is provided with an inner hole, the inner hole is arranged along the length direction of the piston rod, the hole wall of the inner hole is provided with internal threads, and one end of the jacking shaft is provided with a useful An external thread that forms a screw fit with the internal thread. The assembly and disassembly tool has a simple structure, a reasonable design, and is easy to operate, and is applicable to crawlers of different specifications, saves manpower, improves work efficiency, and does not damage the crawler itself.

Description

A tool for removing and assembling a crawler pin shaft

technical field

The utility model belongs to the technical field of disassembly and installation tools, in particular to a disassembly and assembly tool for crawler pins.

Background technique

Tracks are driven by flexible links surrounding the drive pulley, road wheels, idlers and track rollers. The track is composed of track shoes and track pins. The track pins connect the track shoes to form a track link. There are holes at both ends of the track shoe, which mesh with the driving wheel, and there are inducing teeth in the middle, which are used to straighten the track and prevent the track from falling off when the machine turns or rolls. The general working conditions of crawlers are relatively bad, and they need to be replaced or repaired regularly. At present, in the process of disassembly and installation, most of the pin shafts are manually impacted out with a hammer at the construction site. Because the pin shaft and the chain ring are closely matched , and the track shoe is wider than the chain ring, the track shoe is difficult to remove, it is difficult to knock out the pin shaft, and the efficiency is very low, and sometimes the chain ring will be damaged.

Utility model content

The purpose of the utility model is to overcome the above-mentioned deficiencies in the prior art, and provide a dismounting tool for track pins. The assembly and disassembly tool has a simple structure, a reasonable design, and is easy to operate, and is applicable to crawlers of different specifications, saves manpower, improves work efficiency, and does not damage the crawler itself.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a dismounting tool for track pins, which is characterized in that it includes an upper plate located above the track shoe, a top plate for fitting with one end surface of the track shoe and The fixed plate located outside the other end of the track shoe, the upper end of the top plate and the upper end of the fixed plate are fixedly mounted on the upper plate, and an oil cylinder is installed on the fixed plate, and the piston rod of the oil cylinder is installed on the useful Driven by the piston rod, the crawler pin is pushed out or pushed into the top shaft. The center of the piston rod is provided with an inner hole, and the inner hole is arranged along the length direction of the piston rod. The hole in the inner hole The wall is provided with an internal thread, and one end of the top shaft is provided with an external thread for the internal thread to form a threaded fit.

The above-mentioned dismounting tool for track pins is characterized in that: the lower end of the top plate is provided with a platform plate for cooperating with the upper plate to clamp the track shoes.

The above-mentioned dismounting tool for track pins is characterized in that: the upper plate is provided with a plurality of long ribs extending along its length direction, and the plurality of long ribs are arranged at intervals.

The above-mentioned tool for removing and assembling the track pin shaft is characterized in that a notch is opened on the side of the long rib plate close to the upper plate.

The above-mentioned tool for removing and assembling the track pin is characterized in that: a plurality of short ribs are arranged on the side of the top plate away from the fixed plate, and the plurality of short ribs are arranged at intervals.

The above-mentioned tool for disassembling and assembling the track pin is characterized in that: the side of the fixing plate away from the top plate is provided with a plurality of fixing ribs, and the plurality of fixing ribs are arranged at intervals from each other.

The above-mentioned dismounting tool for track pins is characterized in that: a through hole is opened on the fixed plate, and the piston rod of the oil cylinder protrudes from the through hole and is connected with the top shaft.

Compared with the prior art, the utility model has the following advantages:

1. The structure of the utility model is simple, and the design is novel and reasonable.

2. The utility model is driven by the oil cylinder, that is, the oil cylinder is used to drive the top shaft, and the crawler pin is pushed out to realize disassembly, or the crawler pin is pushed in to realize installation. It is easy to use, simple and quick, and effectively saves manpower .

3. In the utility model, the platform plate is provided so that the removal tool can be firmly installed on the track plate, so as to prevent the removal tool from turning over during use.

4. The utility model has a notch on the long rib plate, and the notch is opened on one side of the long rib plate close to the upper plate. The gap opened is equivalent to a handle, which facilitates the movement of the disassembly tool .

5. The utility model has the advantages of low cost, good application effect and convenient popularization and use.

The technical solutions of the present utility model will be further described in detail through the drawings and embodiments below.

Description of drawings

In order to more clearly illustrate the technical solutions in the utility model or the prior art, the accompanying drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings described below are only the present invention. For some embodiments of the utility model, those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic diagram of the use state of the utility model.

Explanation of reference signs:

1—upper plate; 2—short rib plate; 3—top plate;

4—platform plate; 5—top shaft; 6—fixed plate;

6a—through hole; 7—fixed rib; 8—oil cylinder;

8a—piston rod; 9—long rib plate; 9a—notch;

10—track shoe; 11—track pin.

Detailed ways

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar promotions without violating the connotation of the present application. Therefore, the present application is not limited by the specific implementation disclosed below.

As shown in FIG. 1 , a dismounting tool for a track pin shaft includes an upper plate 1 , a top plate 3 and a fixing plate 6 .

The upper plate 1 is located above the track shoe 10 and arranged in parallel with the track shoe 10. The upper plate 1 is provided with a plurality of long ribs 9, and the plurality of long ribs 9 extend along the length direction of the upper plate 1. The plurality of long ribs The ribs 9 are arranged at intervals from each other. A notch 9a is opened on the long rib plate 9 , and the notch 9a is opened on one side of the long rib plate 9 close to the upper plate 1 . By setting the notch 9a, the movement of the dismounting tool is facilitated.

The top board 3 is arranged near one end of the upper board 1 , and the fixing board 6 is arranged near the other end of the upper board 1 . The upper end of the top plate 3 and the upper end of the fixed plate 6 are fixedly connected with the upper plate 1 , the top plate 3 is used to closely fit with one end surface of the track shoe 10 , and the fixed plate 6 is located outside the other end of the track shoe 10 .

The lower end of the top plate 3 is provided with a platform plate 4, which can cooperate with the upper plate 1 to block the track shoes 10, and also prevent the dismounting tool from turning over. The top plate 3 is provided with a plurality of short ribs 2, and the plurality of short ribs 2 are all arranged on a side of the top plate 3 away from the fixing plate 6, and the plurality of short ribs 2 are arranged at intervals.

The fixed plate 6 is provided with a plurality of fixed ribs 7, and the plurality of fixed ribs 7 are all arranged on a side of the fixed plate 6 away from the top plate 3, and the plurality of fixed ribs 7 are arranged at intervals.

An oil cylinder 8 is installed on the fixed plate 6, and a jacking shaft 5 is installed on the piston rod 8a of the oil cylinder 8, and the piston rod 8a can drive the jacking shaft 5 to move linearly. When the crawler pin 11 is removed, the piston rod 8a drives the jacking shaft 5 The crawler pin 11 is pushed out to realize disassembly, and when following the crawler pin 11, the piston rod 8a drives the jacking shaft 5 to push the crawler pin 11 in for installation.

A through hole 6 a is opened on the fixing plate 6 , and the piston rod 8 a of the oil cylinder 8 protrudes from the through hole 6 a and is connected with the top shaft 5 .

The center of the piston rod 8a is provided with an inner hole, and the inner hole is arranged along the length direction of the piston rod 8a. The hole wall of the inner hole is provided with an internal thread, and one end of the top shaft 5 is provided with a screw thread for the internal thread to form a threaded fit. external thread. The jacking shaft 5 and the piston rod 8a are threadedly connected, the connection is firm, and the assembly and disassembly are convenient. When in use, the jacking shaft 5 of different specifications can also be replaced.

As shown in Figure 2, when the dismounting tool of the track pin shaft is used, the dismounting tool is placed on the track shoe 10, so that the upper plate 1 and the track shoe 10 are fitted together, and the top plate 3 and the track shoe 10 are connected together. One end is tightly fitted, and the top shaft 5 is installed on the piston rod 8a, and the top shaft 5 is driven to move linearly by the piston rod 8a, thereby realizing the disassembly and installation of the track pin shaft 11. The assembly and disassembly tool has a simple structure, a reasonable design, and is easy to operate, and is applicable to crawlers of different specifications, saves manpower, improves work efficiency, and does not damage the crawler itself.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any simple modifications, changes and equivalent structural transformations made to the above embodiments according to the technical essence of the present utility model still belong to Within the scope of protection of the technical solution of the utility model.

Claims (7)

1. The utility model provides a disassembling tool of track round pin axle which characterized in that: including upper plate (1) that is located grip-pad (10) top, be used for roof (3) of laminating mutually with the terminal surface of grip-pad (10) and fixed plate (6) that are located the grip-pad (10) other end outside, the upper end of roof (3) with the equal fixed mounting in upper end of fixed plate (6) is in on upper plate (1), install hydro-cylinder (8) on fixed plate (6), install on piston rod (8a) of hydro-cylinder (8) and be used for ejecting or jack-in apical axis (5) with track round pin axle (11) under the drive of piston rod (8a), the hole has been seted up in the center department of piston rod (8a), the hole is laid along the length direction of piston rod (8a), the pore wall of hole is provided with the internal thread, apical axis (5) one end is provided with and is used for the internal thread constitutes screw thread complex external screw thread.

2. A track pin dismounting tool according to claim 1, wherein: the lower extreme of roof (3) is provided with be used for with last board (1) cooperate in order to block the landing slab (4) of track shoe (10).

3. A track pin dismounting tool according to claim 1, wherein: the upper plate (1) is provided with a plurality of long rib plates (9) extending along the length direction of the upper plate, and the long rib plates (9) are arranged at intervals.

4. A track pin dismounting tool according to claim 3, wherein: a notch (9a) is arranged on one side surface of the long rib plate (9) close to the upper plate (1).

5. A track pin dismounting tool according to claim 1, wherein: a plurality of short rib plates (2) are arranged on one side face, far away from the fixed plate (6), of the top plate (3), and the short rib plates (2) are arranged at intervals.

6. A track pin dismounting tool according to claim 1, wherein: a plurality of fixing rib plates (7) are arranged on one side face, far away from the top plate (3), of the fixing plate (6), and the plurality of fixing rib plates (7) are arranged at intervals.

7. A track pin dismounting tool according to claim 1, wherein: a through hole (6a) is formed in the fixing plate (6), and a piston rod (8a) of the oil cylinder (8) extends out of the through hole (6a) and is connected with the jacking shaft (5).