CN218703575U

CN218703575U - Hydraulic excavator caterpillar chain pin dismounting tool

Info

Publication number: CN218703575U
Application number: CN202223058436.5U
Authority: CN
Inventors: 张海亮; 刘燕; 李贝; 董娇; 宋旭猛; 田硕; 马朔; 齐士明; 刘博涛; 张桂龙
Original assignee: Quyang Jinyu Cement Co ltd
Current assignee: Quyang Jinyu Cement Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-03-24
Anticipated expiration: 2032-11-17

Abstract

The utility model discloses a hydraulic shovel caterpillar track round pin assembly and disassembly tools, the utility model relates to an excavator caterpillar track is dismantled technical field. This hydraulic excavator caterpillar pin assembly and disassembly tools, through setting up first iron plate and first stop nut etc., can fix a position the both ends of first caterpillar and second caterpillar, then with the caterpillar pin cutting back, through the extrusion of jack, can be fast ejecting two sections caterpillar pins from the inside of first caterpillar and second caterpillar, can separate and change first caterpillar and second caterpillar fast, through setting up second threaded rod and locating plate etc., can be fixed first caterpillar and second caterpillar and first iron plate and second iron plate, after the caterpillar pin cutting fracture, can prevent that first caterpillar and second caterpillar are not hard up, after first caterpillar and second caterpillar are fixed, can guarantee caterpillar pin and discharge opening and be in same centre of circle, jack is ejecting, can make the caterpillar pin can stretch out from the discharge opening smoothly.

Description

Hydraulic excavator caterpillar chain pin dismounting tool

Technical Field

The utility model relates to a caterpillar track is dismantled technical field, specifically is hydraulic excavator caterpillar track round pin assembly and disassembly tools.

Background

The hydraulic excavator is a multifunctional machine, is widely applied to mechanical construction of hydraulic engineering, transportation, electric power engineering, mine excavation and the like, and plays an important role in reducing heavy physical labor, ensuring engineering quality, accelerating construction speed and improving labor productivity. The excavator walking mainly depends on the caterpillar track to drive the chain plate to rotate, the excavator is moved, and after the caterpillar track of the existing excavator is damaged, the caterpillar track pin needs to be taken down to separate and replace the caterpillar track.

At patent number CN216468143U, concrete name is "a novel excavator caterpillar link structure" and patent number CN216611392U, concrete name is "the caterpillar link of excavator track" two patents and prior art's hydraulic excavator caterpillar link round pin are when dismantling, use the gas to cut the caterpillar that damages mostly, new caterpillar needs to cut the junction of caterpillar link round pin and caterpillar with the gas cutting mode, then pound into the artificial sledge hammer of caterpillar pin again, the caterpillar can reduce life after the heating of gas cutting.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a hydraulic shovel caterpillar chain round pin assembly and disassembly tools has solved current caterpillar chain round pin and has need cut the junction of caterpillar chain round pin and caterpillar chain through the gas cutting mode when dismantling, and can cause the problem of damage to the caterpillar chain in the time of the gas cutting.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: hydraulic excavator caterpillar pin assembly and disassembly tools, including first caterpillar, the one end of first caterpillar articulates there is the second caterpillar, the junction of first caterpillar and second caterpillar is pegged graft and is had the caterpillar pin, the side laminating of first caterpillar and second caterpillar has first iron plate, the laminating of the another side of first caterpillar and second caterpillar has second iron plate, first mounting hole has all been seted up to the surface four corners department of first iron plate and second iron plate, the discharge opening has all been seted up to the surface center department of first iron plate and second iron plate, the inside of first mounting hole is run through and is installed first threaded rod, the one end threaded connection of first threaded rod has first limit nut, the other end threaded connection of first threaded rod has second limit nut, the centre of a circle of discharge opening and caterpillar pin is in same straight line.

Preferably, a second mounting hole is formed in the surfaces of the first iron plate and the second iron plate, a second threaded rod is installed inside the second mounting hole in a penetrating mode, one end of the second threaded rod is connected with a first positioning bolt in a threaded mode, the other end of the second threaded rod is connected with a second positioning bolt in a threaded mode, a positioning plate is sleeved on the outer surface of the second threaded rod, and the surface of the positioning plate is attached to the inner wall of the first caterpillar track and the inner wall of the second caterpillar track.

Preferably, the number of the first mounting holes and the number of the first threaded rods are four, and the caliber of the discharge hole is larger than the diameter of the caterpillar track pin.

Preferably, a surface of the first limit nut is tightly abutted against a surface of the first iron plate, and a surface of the second limit nut is tightly abutted against a surface of the second iron plate.

Preferably, the number of the second mounting holes and the number of the second threaded rods are four, and the surface of each second threaded rod tightly abuts against the surface of the second iron plate.

Preferably, the number of the positioning plates is four, and the positioning plates are tightly attached to the inner walls of the first caterpillar track and the second caterpillar track through first positioning bolts.

Advantageous effects

The utility model provides a hydraulic shovel caterpillar track round pin assembly and disassembly tools. Compared with the prior art, the method has the following beneficial effects:

1. this hydraulic excavator caterpillar track round pin assembly and disassembly tools, through setting up first iron plate, second iron plate and first stop nut etc. can fix a position the both ends of first caterpillar track and second caterpillar track, then with the caterpillar track round pin cutting back, through the extrusion of jack, can be ejecting from the inside of first caterpillar track and second caterpillar track with two sections caterpillar track round pins fast, can separate and change first caterpillar track and second caterpillar track fast, the high efficiency has been strengthened, the security has also been improved simultaneously.

2. This hydraulic excavator caterpillar pin assembly and disassembly tools, through setting up second threaded rod and locating plate etc, can be fixed first caterpillar and second caterpillar and first iron plate and second iron plate, after caterpillar pin cutting fracture, can prevent that first caterpillar and second caterpillar are not hard up, to first caterpillar and second caterpillar fixed back, can guarantee that caterpillar pin and discharge opening are in on same centre of a circle, when the jack is ejecting, can make the caterpillar pin stretch out from the discharge opening smoothly, strengthened the practicality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view illustrating the connection between the first iron plate and the second iron plate according to the present invention;

fig. 3 is a schematic structural diagram of the first iron plate of the present invention.

In the figure: 1. a first caterpillar track; 2. a second caterpillar track; 3. a caterpillar pin; 4. a first iron plate; 41. a first threaded rod; 42. a first limit nut; 43. a second iron plate; 44. a second stop nut; 411. a discharge hole; 412. a first mounting hole; 413. a second mounting hole; 414. a second threaded rod; 415. positioning a plate; 416. a first positioning bolt; 417. and a second positioning bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a caterpillar pin dismounting tool of a hydraulic excavator comprises a first caterpillar 1, a second caterpillar 2 is hinged to one end of the first caterpillar 1, a caterpillar pin 3 is inserted at the joint of the first caterpillar 1 and the second caterpillar 2, a first iron plate 4 is attached to the side faces of the first caterpillar 1 and the second caterpillar 2, a second iron plate 43 is attached to the other side faces of the first caterpillar 1 and the second caterpillar 2, first mounting holes 412 are formed in four corners of the surfaces of the first iron plate 4 and the second iron plate 43, discharge holes 411 are formed in the centers of the surfaces of the first iron plate 4 and the second iron plate 43, the caliber of each discharge hole 411 is larger than the diameter of the caterpillar pin 3, a first threaded rod 41 is installed inside each first mounting hole 412 in a penetrating mode, the number of the first mounting holes 412 and the number of the first threaded rods 41 are four, a first limit nut 42 is connected to one end of each first threaded rod 41 in a threaded mode, the surface of the first limiting nut 42 tightly abuts against the surface of the first iron plate 4, the other end of the first threaded rod 41 is in threaded connection with the second limiting nut 44, the surface of the second limiting nut 44 tightly abuts against the surface of the second iron plate 43, the circle centers of the discharge hole 411 and the caterpillar pin 3 are in the same straight line, the two ends of the first caterpillar 1 and the second caterpillar 2 can be positioned by arranging the first iron plate 4, the second iron plate 43, the first limiting nut 42 and the like, then the caterpillar pin 3 can be cut and then two sections of caterpillar pins 3 can be rapidly ejected out from the inside of the first caterpillar 1 and the second caterpillar 2 through the extrusion of a jack, the first caterpillar 1 and the second caterpillar 2 can be rapidly separated and replaced, the high efficiency is enhanced, and meanwhile, the safety is also improved;

referring to fig. 1-3, the surfaces of the first iron plate 4 and the second iron plate 43 are both provided with second mounting holes 413, second threaded rods 414 are installed inside the second mounting holes 413 in a penetrating manner, the number of the second mounting holes 413 and the number of the second threaded rods 414 are four, the surface of the second threaded rods 414 tightly abuts against the surface of the second iron plate 43, one end of each second threaded rod 414 is connected with a first positioning bolt 416 in a threaded manner, the other end of each second threaded rod 414 is connected with a second positioning bolt 417 in a threaded manner, the outer surface of each second threaded rod 414 is sleeved with a positioning plate 415, the number of the positioning plates 415 are four, the positioning plates 415 are tightly attached to the inner walls of the first caterpillar track 1 and the second caterpillar track 2 through the first positioning bolts 416, the surfaces of the positioning plates 415 are attached to the inner walls of the first caterpillar track 1 and the second caterpillar track 2, the second positioning plates 414, the positioning plates 415 and the like are arranged, the first caterpillar track 1 and the second caterpillar track 2 can be fixed to the first caterpillar track 4 and the second caterpillar track 43, after the caterpillar pin 3 is cut and broken, the first caterpillar track and the second screw rod 414 and the second screw rod can be smoothly fixed to the jack pin 411, and the jack pin can be inserted into the discharge hole, and the jack pin can be smoothly inserted into the discharge hole 411, and the jack.

When the second caterpillar track 2 is to be replaced, the chain plate is detached, the first iron plate 4 is placed on one side of the second caterpillar track 2, the discharge hole 411 of the first iron plate 4 faces the caterpillar track pin 3, the four first threaded rods 41 penetrate through the four first mounting holes 412, the first limit nut 42 is installed on the outer surface of the first threaded rod 41 in a threaded manner, the inner side of the first iron plate 4 is close to the outer surfaces of the first caterpillar track 1 and the second caterpillar track 2, then the second iron plate 43 is placed on the opposite surface of the first iron plate 4, the outer surface of the first threaded rod 41 penetrates through the first mounting hole 412 on the second iron plate 43 and extends to the outer surface of the second iron plate 43, then the second limit nut 44 is installed and the second limit nut 44 is fastened, so that the surface of the second threaded rod 43 is tightly attached to the outer surfaces of the first iron plate 1 and the second caterpillar track 2, then, the second threaded rod 414 is inserted into the second mounting hole 413, one end of the second threaded rod 414 extends to the inner sides of the first track 1 and the second track 2, the positioning plate 415 is sleeved on the surface of the second threaded rod 414, then the first positioning bolt 416 and the second positioning bolt 417 are rotated and fastened, so that the first track 1 and the second track 2 are tightly clamped by the second iron plate 43 and the positioning plate 415, finally, the center of the track pin 3 is cut through gas cutting, the track pin 3 is divided into two sections, a jack can be placed between the two sections of track pins 3, then the two sections of track pins 3 are ejected out by the jack, the damaged second track 2 is taken out, a new track is placed according to the original position, a new track pin 3 is also placed according to the original position, and finally, the track replacing work is finished.

And those not described in detail in this specification are well within the skill of those in the art.

Claims

1. Hydraulic excavator caterpillar track round pin assembly and disassembly tools, including first caterpillar track (1), its characterized in that: the one end of first caterpillar track (1) articulates there is second caterpillar track (2), the junction of first caterpillar track (1) and second caterpillar track (2) is pegged graft and is had caterpillar track round pin (3), the side laminating of first caterpillar track (1) and second caterpillar track (2) has first iron plate (4), the laminating of the another side of first caterpillar track (1) and second caterpillar track (2) has second iron plate (43), first mounting hole (412) have all been seted up to the surperficial four corners department of first iron plate (4) and second iron plate (43), discharge opening (411) have all been seted up to the surperficial center department of first iron plate (4) and second iron plate (43), the inside through-mounting of first mounting hole (412) is installed first threaded rod (41), the one end threaded connection of first threaded rod (41) has first stop nut (42), the other end threaded connection of first threaded rod (41) has second stop nut (44), threaded rod (411) and caterpillar track is in centre of a circle round pin (3) on the collinear.

2. The hydraulic excavator track pin disassembly and assembly tool of claim 1, wherein: second mounting hole (413) have all been seted up on the surface of first iron plate (4) and second iron plate (43), the inside through mounting of second mounting hole (413) has second threaded rod (414), the one end threaded connection of second threaded rod (414) has first positioning bolt (416), the other end threaded connection of second threaded rod (414) has second positioning bolt (417), positioning plate (415) has been cup jointed to the surface of second threaded rod (414), the surface laminating of positioning plate (415) is at the inner wall of first caterpillar track (1) and second caterpillar track (2).

3. The hydraulic excavator track pin disassembly and assembly tool of claim 1, wherein: the number of the first mounting holes (412) and the number of the first threaded rods (41) are four, and the caliber of the discharge hole (411) is larger than the diameter of the caterpillar track pin (3).

4. The hydraulic excavator track pin disassembly and assembly tool of claim 1, wherein: the surface of the first limit nut (42) is tightly abutted against the surface of the first iron plate (4), and the surface of the second limit nut (44) is tightly abutted against the surface of the second iron plate (43).

5. The hydraulic excavator track pin disassembly and assembly tool of claim 2, wherein: the number of the second mounting holes (413) and the number of the second threaded rods (414) are four, and the surfaces of the second threaded rods (414) are tightly abutted against the surface of the second iron plate (43).

6. The hydraulic excavator track pin disassembly and assembly tool of claim 2, wherein: the number of the positioning plates (415) is four, and the positioning plates (415) are tightly attached to the inner walls of the first caterpillar track (1) and the second caterpillar track (2) through first positioning bolts (416).