CN222472380U

CN222472380U - A piston assembly joint disassembly and assembly auxiliary tool

Info

Publication number: CN222472380U
Application number: CN202420093886.8U
Authority: CN
Inventors: 范琦; 曹佳; 周骋
Original assignee: State Run Wuhu Machinery Factory
Current assignee: State Run Wuhu Machinery Factory
Priority date: 2024-01-15
Filing date: 2024-01-15
Publication date: 2025-02-14
Anticipated expiration: 2034-01-15

Abstract

The utility model relates to the technical field of steering gear repair, specifically a piston assembly joint disassembly and assembly auxiliary tool, including a fixed support block, the fixed support block includes a first connecting rod, a clamping block located at the top of the first connecting rod, and an adjustment block located at the bottom of the first connecting rod, and a support groove is arranged on the top of the clamping block; a torque wrench head, the torque wrench head includes a force block, an I-shaped baffle arranged on both sides of the force block, a second connecting rod connected to the top of the force block, and a thickened block connected to the top of the second connecting rod, and a connecting groove is arranged on the top of the thickened block; the force wrench includes an extension rod and a connecting torsion block arranged on the side wall of one end of the extension rod. The utility model has the characteristics of simple structure, convenient operation, and practicality, and effectively solves the problems of difficult fixing, difficult torque application, and easy damage to products during the disassembly and installation of the piston assembly joint. It ensures that the piston assembly disassembly process is stable, efficient, and safe, and improves the efficiency and accuracy of torque application and measurement.

Description

Auxiliary tool for disassembling and assembling piston assembly joint

Technical Field

The utility model relates to the technical field of steering engine repair, in particular to an auxiliary tool for disassembling and assembling a piston assembly joint.

Background

In the actuating components such as the hydraulic steering engine, the piston assembly is applied more, and as shown in fig. 1, the actuating components comprise a bracket 4, a sleeve 5, a connecting rod 6 and a joint 7. The quality of the disassembly and assembly of the steering engine influences the performance quality of the steering engine, and the protection of the steering engine is required to be paid attention to in the repair process due to the high requirement on the tightness of the steering engine. The piston component is a main component of the steering engine, and the outer surface of the component is a sealing matching surface, so that the fixing is difficult in the repairing process. Meanwhile, the joint tightening torque is large, the joint tightening torque cannot be directly decomposed, and the accurate application and measurement of the joint tightening torque in the assembly process cannot be ensured.

According to the repair process requirements, the assembly is required to be fixed while the quality of the sealing surface is ensured, so that the disassembly and assembly of the joint are facilitated, and the tightening torque of the joint is convenient to measure. Therefore, the piston assembly appearance structure is combined, the fixing joint dismounting auxiliary tool is designed, the piston assembly is convenient to fix, the accurate application of the mounting moment is ensured, and the disassembly and assembly efficiency and quality are improved.

Disclosure of utility model

In order to solve the technical problems, the utility model provides an auxiliary tool for disassembling and assembling a piston assembly joint. The piston assembly is convenient to fix, the installation moment is accurately applied, and the disassembly and assembly efficiency and quality are improved.

The technical problems to be solved by the utility model are realized by adopting the following technical scheme:

A piston assembly joint disassembly assistance tool, comprising:

The fixed support block comprises a first connecting rod, a clamping block positioned at the top of the first connecting rod and an adjusting block positioned at the bottom of the first connecting rod, wherein a support groove with the same shape as the connecting rod in the piston assembly is formed in the top of the clamping block;

The torque wrench head comprises a stress application block, I-shaped baffles, a second connecting rod and a thickening block, wherein the thickness of the stress application block is consistent with the inner contour dimension of a joint in the piston assembly, the I-shaped baffles are arranged on two sides of the stress application block, the second connecting rod is connected with the top of the stress application block, the thickening block is connected with the top of the second connecting rod, and a connecting groove is formed in the top of the thickening block;

The stressing spanner comprises an extension rod with the thickness consistent with the inner outline dimension of a joint in the piston assembly and a connecting torsion block arranged on the side wall of one end of the extension rod, wherein the connecting torsion block is consistent with the size and the shape of the connecting groove.

The beneficial effects of the utility model are as follows:

the utility model provides an auxiliary tool for disassembling and assembling a piston assembly joint, which has the characteristics of simple structure, convenience in operation, practicability and the like, and effectively solves the problems that the piston assembly joint is difficult to fix, difficult to apply moment, vulnerable to damage products and the like in the disassembly and assembly process. The method ensures the stability, high efficiency and safety of the decomposition process of the piston assembly, improves the torque application and measurement efficiency and precision, and has good application prospect and remarkable economic benefit.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic diagram of the present piston assembly;

FIG. 2 is a perspective view of a fixed support block according to the present utility model;

FIG. 3 is a schematic diagram of a front view of a fixed support block according to the present utility model;

FIG. 4 is a perspective view of a torque wrench head according to the present utility model;

FIG. 5 is a schematic diagram of a front view of a torque wrench head according to the present utility model;

FIG. 6 is a schematic top view of a torque wrench head according to the present utility model;

FIG. 7 is a schematic side view of a torque wrench head according to the present utility model;

FIG. 8 is a schematic perspective view of a torque wrench according to the present utility model;

FIG. 9 is a schematic diagram of the structure of the present utility model in a use state;

FIG. 10 is a second schematic structural view of the present utility model in a use state;

FIG. 11 is a third schematic structural view of the present utility model in use;

fig. 12 is a schematic diagram of the structure of the present utility model in a use state.

In the figure, 1, a fixed supporting block; 101, a supporting groove, 102, a clamping block, 103, a first connecting rod, 104, an adjusting block, 2, a moment spanner head, 201, a connecting groove, 202, a thickening block, 203, a second connecting rod, 204, an I-shaped baffle, 205, a force application block, 3, a force application spanner, 301, a connecting torsion block, 302, an extension rod, 4, a bracket, 5, a sleeve, 6, a connecting rod, 7 and a joint.

Detailed Description

In order that the manner in which the utility model is attained, as well as the features and advantages thereof, will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

As shown in fig. 2 to 8, an auxiliary tool for assembling and disassembling a piston assembly joint comprises a fixed supporting block 1, a moment spanner head 2 and an stressing spanner 3.

The fixed support block 1 comprises a support groove 101, a clamping block 102, a first connecting rod 103 and an adjusting block 104.

The supporting groove 101 is arranged at the top of the clamping block 102, and the supporting groove 101 is consistent with the shape of the connecting rod 6 in the piston assembly. The supporting groove 101 is used for supporting the piston assembly and is only in contact with the non-sealing part of the head of the connecting rod 6, so that other parts of the piston assembly are not damaged.

The clamping block 102 is connected with the top of the first connecting rod 103, the height of the clamping block 102 does not exceed the clamping size of the vice, and the length of the first connecting rod 103 is larger than the clamping depth of the vice. The adjusting block 104 is connected with the bottom of the first connecting rod 103, and an operator can adjust the fixed supporting block 1 when the clamping distance is smaller through the adjusting block 104, so that the upper surface level of the clamping block 102 is ensured to prevent the piston assembly from toppling.

The moment spanner head 2 comprises a connecting groove 201, a thickening block 202, a second connecting rod 203, an I-shaped baffle 204 and a stress application block 205.

The connecting groove 201 is arranged at the top of the thickening block 202, the connecting groove 201 is of a square structure, and the thickening block 202 is of a cylindrical structure to prevent interference. The height of the thickening block 202 is greater than the depth of the connecting groove 201. The second connecting rod 203 is connected with the bottom of the thickening block 202, the i-shaped baffles 204 are arranged on two sides of the stressing block 205, and the length of each i-shaped baffle 204 is greater than or equal to the outer diameter length of the cylinder on the joint 7 and smaller than the size between two lugs on the bracket 4, and is the same as the height of the lug on the joint 7. The stress application block 205 is connected with the bottom of the second connecting rod 203, and the length and width of the stress application block 205 are consistent with the dimension between the lugs on the joint 7, and the height of the stress application block is the same as the height of the lugs on the joint 7. The moment spanner head 2 applies force to the joint 7 through the I-shaped baffle 204, and the connecting part of the moment spanner head 2 and the force spanner 3 is lifted through the second connecting rod 203, so that the accuracy of the stress position is ensured, and meanwhile, the accuracy of moment measurement is improved.

The stressing spanner 3 comprises a connecting torsion block 301 and an extension rod 302. The connecting torsion block 301 is arranged on the side wall of one end of the extension rod 302, and the shape, the size and the dimension of the connecting torsion block 301 are consistent with those of the connecting groove 201. The height of the connecting torsion block 301 is smaller than the height of the thickening block 202. The extension bar 302 is in a flat long rod-shaped structure, the width of the extension bar is consistent with the inner dimension between the lugs on the joint 7, so that the extension bar is convenient for exerting the decomposing force on the joint 7, and the problems of screw thread parts and difficult force application caused by long-term use are solved.

The working principle and the using flow of the utility model are as follows:

When the torque wrench is used, the fixed support block 1 is clamped on a vice, the clamping positions are flat parts on two sides of the clamping block 102, the angle of the clamping parts is adjusted through the adjusting block 104, the surface of the support groove 101 is flush with the upper surface of the vice, the support block is in a vertical state, the vice is tightened to ensure that the fixed support block 1 is stably clamped, as shown in fig. 9, the piston component is placed on the fixed support block 1, the connecting rod 6 is attached to the support groove 101, the piston component is stably placed on the fixed support block 1, after the piston component is stably placed, as shown in fig. 10, the torque wrench 3 is installed on the joint 7, the joint 7 can be easily disassembled, and if the disassembly force is large, as shown in fig. 11, the torque wrench head 2 is placed between two lugs of the joint 7, and then as shown in fig. 12, the torque wrench 3 is installed on the torque wrench head 2 to be disassembled.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The auxiliary tool for disassembling and assembling the piston assembly joint is characterized by comprising the following components:

The fixed support block (1), the fixed support block (1) comprises a first connecting rod (103), a clamping block (102) positioned at the top of the first connecting rod (103) and an adjusting block (104) positioned at the bottom of the first connecting rod (103), and a support groove (101) consistent with the shape of a connecting rod (6) in the piston assembly is formed in the top of the clamping block (102);

The torque wrench head (2) comprises a stress application block (205) with the thickness consistent with the inner outline size of a joint (7) in a piston assembly, I-shaped baffles (204) arranged on two sides of the stress application block (205), a second connecting rod (203) connected with the top of the stress application block (205), a thickening block (202) connected with the top of the second connecting rod (203), and a connecting groove (201) arranged at the top of the thickening block (202);

The stressing spanner (3) comprises an extension rod (302) with the thickness consistent with the inner outline size of a joint (7) in a piston assembly and a connecting torsion block (301) arranged on the side wall of one end of the extension rod (302), wherein the connecting torsion block (301) is consistent with the connecting groove (201) in size and shape.

2. The auxiliary tool for assembling and disassembling the piston assembly joint according to claim 1, wherein the connecting groove (201) and the connecting torsion block (301) are in square structures.

3. The assembly and disassembly tool for a piston assembly joint according to claim 1, wherein the thickening block (202) has a cylindrical structure.

4. The auxiliary tool for disassembling and assembling a piston assembly joint according to claim 1, wherein the height of the thickening block (202) is larger than the height of the connecting torsion block (301).

5. The tool as set forth in claim 1, wherein the extension bar (302) has a length greater than twice the length of the bracket (4) in the piston assembly.

6. The assembly and disassembly tool of a piston assembly joint according to claim 1, wherein the extension rod (302) is of a flat and long rod-like structure.