CN213225991U

CN213225991U - High-efficient thrust wheel assembly and disassembly tools of crawler-type excavator

Info

Publication number: CN213225991U
Application number: CN202022235406.1U
Authority: CN
Inventors: 岳东兴
Original assignee: Qingdao Komatsu Sales Technical Service Center Co ltd
Current assignee: Qingdao Komatsu Sales Technical Service Center Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-05-18
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a high-efficient thrust wheel assembly and disassembly tools of crawler-type excavator, including portable dolly, the upper end fixedly connected with support of portable dolly, it has link mechanism to articulate on the support, link mechanism's the other end articulates there is the thrust wheel bracket, it has adjustable screw to articulate between thrust wheel bracket and the support, fixedly connected with hydraulic cylinder on the portable dolly, hydraulic cylinder's output is connected with link mechanism, install the thrust wheel on the thrust wheel bracket, adjustable screw includes first screw rod and the second screw rod with thrust wheel bracket and support articulated, the outside cover of first screw rod and second screw rod is equipped with the thread bush rather than threaded connection. The utility model discloses it is rational in infrastructure, avoided personnel to get into the equipment below, reduced the potential safety hazard, avoided the bodily injury risk, also greatly improve work efficiency simultaneously, reasonable work arrangement personnel can fall to alone and can accomplish.

Description

High-efficient thrust wheel assembly and disassembly tools of crawler-type excavator

Technical Field

The utility model relates to a maintenance of equipment technical field especially relates to high-efficient thrust wheel assembly and disassembly tools of crawler-type excavator.

Background

When one or more supporting wheels of the crawler excavator have faults on a construction site, the equipment cannot be dragged into an overhaul factory for maintenance generally, three persons are required to cooperate to carry out dismounting operation generally due to limited site conditions, particularly, a mounting bolt on the inner side needs one person to enter the lower part of the equipment to carry out lifting action, safety risks exist, the supporting wheels are more labor-consuming to mount manually, the supporting wheels need to be lifted upwards to support, and the crawler excavator is insufficient in space and labor-consuming; even if the whole machine of the equipment is dragged to a overhaul factory, the operation mode cannot be avoided, particularly when the thrust wheel needs to be replaced by the whole machine, the labor intensity of workers is higher, the working efficiency is low, and therefore the efficient thrust wheel dismounting tool of the crawler excavator is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the high-efficient thrust wheel assembly and disassembly tools of crawler-type excavator that proposes, it has avoided personnel to get into the equipment below, has reduced the potential safety hazard, has avoided the bodily injury risk, also greatly improves work efficiency simultaneously, and reasonable work arrangement personnel can fall to alone and can accomplish.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

high-efficient thrust wheel assembly and disassembly tools of crawler-type excavator, including portable dolly, the upper end fixedly connected with support of portable dolly, it has link mechanism to articulate on the support, link mechanism's the other end articulates there is the thrust wheel bracket, it has adjustable screw to articulate between thrust wheel bracket and the support, fixedly connected with hydraulic cylinder on the portable dolly, hydraulic cylinder's output is connected with link mechanism, install the thrust wheel on the thrust wheel bracket.

Preferably, the bottom of the movable trolley is fixedly connected with four universal wheels.

Preferably, the adjustable screw and the link mechanism are hinged with the thrust wheel bracket and the support through bolts.

Preferably, the adjustable screw rod comprises a first screw rod and a second screw rod which are hinged with the supporting wheel bracket and the support, thread sleeves in threaded connection with the first screw rod and the second screw rod are sleeved outside the first screw rod and the second screw rod, and the thread directions of the first screw rod and the second screw rod are opposite.

Preferably, a pressure kettle is arranged on one side of the movable trolley and is connected with the hydraulic oil cylinder through a hose.

Preferably, the bottom of the movable trolley is fixedly connected with a support plate, and the fixed end of the hydraulic oil cylinder is fixedly connected with the support plate.

Compared with the prior art, the utility model, its beneficial effect does:

the high-efficiency thrust wheel dismounting tool of the movable trolley crawler excavator is pushed to move to the position below the mounting surface of the high-efficiency thrust wheel dismounting tool of the thrust wheel crawler excavator, then a worker rotates the thread bushing to control the high-efficiency thrust wheel dismounting tool of the thrust wheel bracket crawler excavator, so that the mounting surface of the high-efficiency thrust wheel dismounting tool of the thrust wheel crawler excavator is proper to the mounting surface of an equipment body, then the worker controls the high-efficiency thrust wheel dismounting tool of the hydraulic cylinder crawler excavator through controlling the high-efficiency thrust wheel dismounting tool of the pressure kettle crawler excavator, so that the high-efficiency thrust wheel dismounting tool of the thrust wheel bracket crawler excavator moves upwards and to a proper position, then the worker rotates the thread bushing to control the high-efficiency thrust wheel dismounting tool of the thrust wheel bracket crawler excavator, so that the mounting surface of the high-efficiency thrust wheel dismounting tool of the thrust wheel crawler excavator is proper to the, then mounting the efficient thrust wheel dismounting tool of the thrust wheel crawler excavator; therefore, the personnel are prevented from entering the lower part of the equipment, the potential safety hazard is reduced, the personal injury risk is avoided, the working efficiency is greatly improved, and the reasonable work arrangement can be finished by descending to one person; personnel do not need to enter the lower part of the equipment, so that the safety is improved; the hydraulic pressure and the mechanical force are used for lifting the thrust wheel, so that the risk is reduced; the number of operators can be reduced from 3 to 1, and the labor force is reduced; a small amount of or the whole bogie wheels are replaced, and the installation efficiency is very high.

To sum up, the utility model discloses rational in infrastructure, avoided personnel to get into the equipment below, reduced the potential safety hazard, avoided the bodily injury risk, also greatly improved work efficiency simultaneously, reasonable work arrangement personnel can fall to alone and can accomplish.

Drawings

Fig. 1 is the utility model provides a high-efficient thrust wheel assembly and disassembly tools of crawler excavator's structural schematic.

In the figure: the device comprises a movable trolley 1, a thrust wheel bracket 2, a thrust wheel 3, a link mechanism 4, a hydraulic oil cylinder 5, an adjustable screw 6, a bolt 7, a pressure pot 8, a hose 9 and a universal wheel 10.

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.

Referring to fig. 1, the efficient thrust wheel dismounting tool for the crawler excavator comprises a movable trolley 1, wherein four universal wheels 10 are fixedly connected to the bottom of the movable trolley 1, the universal wheels 10 are connected with the bottom of the movable trolley 1 through wheel carriers and can be connected through screws or welding, and the universal wheels 10 can rotate by 360 degrees; the upper end fixedly connected with support 11 of portable dolly 1, articulated on the support 11 have link mechanism 4, and the other end of link mechanism 4 articulates there is thrust wheel bracket 2, and it has adjustable screw 6 to articulate between thrust wheel bracket 2 and the support 11, and adjustable screw 6 and link mechanism 4 all pass through bolt 7 with thrust wheel bracket 2 and support 11 and articulate.

The adjustable screw 6 comprises a first screw and a second screw which are hinged with the supporting wheel bracket 2 and the bracket 11, thread sleeves in threaded connection with the first screw and the second screw are sleeved outside the first screw and the second screw, the thread directions of the first screw and the second screw are opposite, and internal threads of the corresponding thread sleeves are matched with the first screw and the second screw; because first screw rod and second screw rod can't rotate, when consequently rotating the thread bush, can realize that first screw rod and second screw rod are relative or move back to back mutually, so can adjust the angle of thrust wheel bracket 2 and thrust wheel 3, satisfy the demand of in-service use.

Fixedly connected with hydraulic cylinder 5 on portable dolly 1, hydraulic cylinder 5's output is connected with link mechanism 4, installs thrust wheel 3 on the thrust wheel bracket 2, and one side of portable dolly 1 is equipped with pressure pot 8, and pressure pot 8 is connected with hydraulic cylinder 5 through hose 9, is convenient for control hydraulic cylinder 5, and the bottom fixedly connected with extension board of portable dolly 1, hydraulic cylinder 5's stiff end and extension board fixed connection.

In the utility model, during the in-service use, the staff can promote movable dolly 1 to move to the below of thrust wheel 3 installation face, then the staff rotates thread bush control thrust wheel bracket 2, make thrust wheel 3 installation face and equipment organism installation face suitable, then the staff controls hydraulic cylinder 5 through control pressure kettle 8, make thrust wheel bracket 2 move up and move to suitable position, then the staff rotates thread bush control thrust wheel bracket 2, make thrust wheel 3 installation face and equipment organism installation face suitable, then install thrust wheel 3; so avoided personnel to get into the equipment below, reduced the potential safety hazard, avoided the bodily injury risk, also greatly improved work efficiency simultaneously, reasonable work arrangement personnel can fall to alone and can accomplish.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. High-efficient thrust wheel assembly and disassembly tools of crawler-type excavator, including portable dolly (1), its characterized in that, the upper end fixedly connected with support (11) of portable dolly (1), it has link mechanism (4) to articulate on support (11), the other end of link mechanism (4) articulates there is thrust wheel bracket (2), it has adjustable screw (6) to articulate between thrust wheel bracket (2) and support (11), fixedly connected with hydraulic cylinder (5) on portable dolly (1), the output of hydraulic cylinder (5) is connected with link mechanism (4), install thrust wheel (3) on thrust wheel bracket (2).

2. The efficient thrust wheel dismounting tool of the crawler excavator according to claim 1, wherein four universal wheels (10) are fixedly connected to the bottom of the movable trolley (1).

3. The efficient track roller dismounting tool of the crawler excavator according to claim 1, wherein the adjustable screw (6) and the link mechanism (4) are hinged with the track roller bracket (2) and the support (11) through bolts (7).

4. The efficient track roller dismounting tool for the crawler excavator according to claim 1, wherein the adjustable screw (6) comprises a first screw and a second screw hinged with the track roller bracket (2) and the bracket (11), the outer portions of the first screw and the second screw are sleeved with threaded sleeves in threaded connection with the first screw and the second screw, and the thread directions of the first screw and the second screw are opposite.

5. The efficient thrust wheel dismounting tool of the crawler excavator according to claim 1, wherein a pressure pot (8) is arranged on one side of the movable trolley (1), and the pressure pot (8) is connected with the hydraulic oil cylinder (5) through a hose (9).

6. The efficient thrust wheel dismounting tool of the crawler excavator according to claim 1, wherein a support plate is fixedly connected to the bottom of the movable trolley (1), and the fixed end of the hydraulic oil cylinder (5) is fixedly connected with the support plate.