CN210701523U

CN210701523U - Be used for abluent auxiliary device of aircraft hydraulic system pipe

Info

Publication number: CN210701523U
Application number: CN201920697666.5U
Authority: CN
Inventors: 马国祥; 王小利; 詹洋; 罗志轩; 易德帅
Original assignee: AVIC Shaanxi Aircraft Industry Group Corp Ltd
Current assignee: Shaanxi Aircraft Industry Co Ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-06-09
Anticipated expiration: 2029-05-15

Abstract

The utility model belongs to the technical field of the aircraft assembly, a be used for abluent auxiliary device of aircraft hydraulic system pipe, include: the clamp comprises a compression screw (1), a clamp (2) and a pressing block (3); the compression screw (1) penetrates through a threaded hole in the upper plane of the clamp (2) and is in threaded connection with the pressing block (3), a U-shaped groove is formed in the lower plane of the clamp (2), and the hexagonal end face of the coordination valve is clamped through the U-shaped surface. This patent location is accurate, simple structure, and is small, and the quality is light, easy operation, easy dismounting, and direct action coordinates the valve.

Description

Be used for abluent auxiliary device of aircraft hydraulic system pipe

Technical Field

The invention belongs to the technical field of airplane assembly, and relates to an auxiliary device for cleaning a pipe of an airplane hydraulic system.

Background

The coordination valve is positioned in a hydraulic system in a main takeoff cabin behind the frame 27 of the airplane, the hydraulic system takes oil as a working medium, an execution mechanism is driven by oil pressure to complete the whole set of device of specific operation actions, and the coordination valve mainly controls the smoothness and the closing of an oil way in the hydraulic system. Before the pipe network cleaning machine is stopped for a long time or used for the first time, the coordination valve is checked, the pipe network is cleaned, the position where the coordination valve is located is limited by the structure, the strength, the construction space and the self assembly characteristics of a finished product, the operation space is narrow, the working face is small, the operation is difficult, the cleaning is difficult and other objective reasons are adopted, two persons are required to cooperate when the pipe network is cleaned generally, one person presses the coordination valve ejector rod by using the end face of a wrench, the other person increases a pressing block, whether the oil circuit is opened or not is judged by feeling, the structure is complex in form and difficult to operate, a certain angle possibly exists in the pressing process, and the processing and using precision and the accuracy of.

Disclosure of Invention

Solves the technical problem

The auxiliary device for cleaning the pipe network of the aircraft hydraulic system overcomes the defects in the prior art, is accurate in positioning, simple in structure, small in size, light in weight, simple to operate, convenient to disassemble and assemble, and directly acts on the coordination valve.

Technical scheme

In order to solve the technical problems, the invention is realized by the following technical scheme:

an auxiliary device for cleaning a hydraulic system pipe of an airplane comprises: the clamp comprises a compression screw 1, a clamp 2 and a pressing block 3;

the compression screw 1 penetrates through a threaded hole in the upper plane of the clamp 2 and is in threaded connection with the pressing block 3, a U-shaped groove is formed in the lower plane of the clamp 2, and the hexagonal end face of the coordination valve is clamped through the U-shaped surface.

One end of the compression screw 1 is a spherical surface with threads and is connected with the pressing block 3 through the threads.

The other end of the compression screw 1 is provided with a handle.

The compression screw 1 is a standard component.

The clip 2 is groove-shaped.

The upper plane and the lower plane of the clamp 2 are connected through a stud, and a threaded hole is formed right above the upper plane.

The pressing block 3 is of a block structure.

One end of the pressing block 3 is provided with a threaded hole and a tool withdrawal groove.

The other end of the pressing block 3 is provided with a ball socket.

Advantageous effects

The invention provides an auxiliary device for cleaning a hydraulic system pipe, which has the advantages of accurate positioning, simple structure, small volume, light weight, simple operation and convenient disassembly and assembly, and can directly act on a coordinating valve, and the auxiliary device has the following beneficial effects: 1. the self-locking function of the threads is adopted, the pressing block is locked through the compression screw, the required height is reached by adjusting the relative position of the locking screw and the clamp, the compression stroke of the valve ejector rod is quickly and accurately ensured to be coordinated, and the requirement on the processing manufacturability is further ensured; 2. the lower plane retainer ring of the clamp is connected with the end face of the hexagon bolt of the coordination valve, so that the clamp is prevented from falling off, and the accurate positioning of the device is ensured; 3. the pressing block is provided with a ball socket which is matched with the coordination valve ejector rod to form a ball head, so that the contact area is increased, the stability of the compression process is improved, the balance of the device is ensured, the use difficulty is reduced, and the processing and use precision is improved. Meanwhile, the labor, material and financial resources are saved, and the production period is shortened.

Drawings

FIG. 1 is a schematic diagram of the apparatus;

FIG. 2 is an outline view of a compression screw;

FIG. 3 is an exterior view of the clip;

FIG. 4 is a drawing of the outer shape of the compact;

wherein: 1. a compression screw, 2 a clamp and 3 a pressing block.

Detailed Description

The invention will be described in further detail with reference to the following detailed description and accompanying drawings:

in order to solve the technical problems, the invention is realized by the following technical scheme: an auxiliary device for cleaning a hydraulic system pipe of an airplane is shown in figure 1 and comprises a compression screw 1, a clamp 2 and a pressing block 3. The compression screw 1 penetrates through a threaded hole of the clamp 2 and is in threaded connection with the pressing block 3.

As shown in fig. 2, the compression screw 1 is a standard component, one end of the compression screw is a spherical surface with threads, and the spherical surface is connected with the pressing block through the threads, so that the spherical surface is convenient to connect and adjust during work; the other end is provided with a handle, so that the screwing operation of workers is facilitated.

As shown in fig. 3, the clamp 2 is groove-shaped, the upper plane and the lower plane are connected through a stud, a threaded hole is arranged right above the upper plane, the compression screw 1 penetrates through the threaded hole to be connected with the pressing block 3, and the valve ejector rod is conveniently and reliably compressed downwards and coordinated through the up-and-down movement of the compression screw 1, so that the compression stroke is adjusted, and an oil way is pressed and communicated; the lower plane is provided with a U-shaped groove, and the hexagonal end face of the coordination valve is clamped by the U-shaped surface to accurately position the coordination valve.

As shown in fig. 4, the pressing block 3 is a block structure, one end of the pressing block is provided with a threaded hole for connecting the pressing screw 1, and a tool withdrawal groove is arranged to avoid interference with the connecting end of the pressing screw; the other end is provided with a ball socket which forms spherical surface fit with the coordinating valve ejector rod to increase the contact surface and prevent sliding, and has certain compensation function when an angle exists.

The operation process is as follows:

1. all parts in the invention are manufactured;

2. the auxiliary device for cleaning the pipe network is arranged on the aircraft coordination valve;

3. when the device works, the U-shaped groove on the lower end face of the clamp 2 of the device clamps the end face of the hexagonal nut of the coordination valve, so that the coordination valve is accurately positioned; one end of a ball socket of the pressing block 3 and the coordinating valve ejector rod form ball head matching, the height of the pressing block 3 is adjusted by utilizing threads, the pressing block 3 moves downwards, the movable rod is compressed downwards along with the pressing block, the ejector rod is compressed to a limit position, namely, the coordinating valve oil circuit behind the 27 frames of the main lifting cabin is opened, and pipe cleaning is realized.

4. After the work is finished, the compression screw 1 is unscrewed and moves upwards, the pressing block and the ejector rod move upwards along with the compression screw until the movable ejector rod returns to the original position, the device is withdrawn in the direction parallel to the U-shaped groove of the clamp 2, and the cleaning of the pipe network of the coordinated valve of the hydraulic system after the main cabin 27 is lifted is finished.

Claims

1. An auxiliary device for cleaning a hydraulic system pipe of an airplane is characterized by comprising: the clamp comprises a compression screw (1), a clamp (2) and a pressing block (3);

the compression screw (1) penetrates through a threaded hole in the upper plane of the clamp (2) and is in threaded connection with the pressing block (3), a U-shaped groove is formed in the lower plane of the clamp (2), and the hexagonal end face of the coordination valve is clamped through the U-shaped surface.

2. Auxiliary device for cleaning the pipe network of the hydraulic system of an airplane as claimed in claim 1, characterized in that one end of the compression screw (1) is a spherical surface with threads, and is connected with the pressing block (3) through threads.

3. An auxiliary device for cleaning the hydraulic system pipe of an airplane as claimed in claim 2, wherein the other end of the compression screw (1) is provided with a handle.

4. An auxiliary device for cleaning the piping of an aircraft hydraulic system as claimed in claim 1, characterized in that the clip (2) is groove-shaped.

5. Auxiliary device for cleaning hydraulic system pipes of aircraft according to claim 4, characterized in that the upper and lower planes of the clamp (2) are connected by studs, and a threaded hole is provided right above the upper plane.

6. An auxiliary device for cleaning the hydraulic system piping of an aircraft according to claim 1, characterized in that the pressure block (3) is of a block-shaped construction.

7. Auxiliary device for cleaning the pipe of the hydraulic system of an aircraft as claimed in claim 6, characterized in that the press block (3) is provided with a threaded hole at one end and a tool withdrawal groove.

8. Auxiliary device for cleaning the piping of an aircraft hydraulic system according to claim 7, characterized in that the other end of the pressure block (3) is provided with a ball socket.