CN219104341U

CN219104341U - Test tool for checking assembly qualification of pilot valve element

Info

Publication number: CN219104341U
Application number: CN202223130923.8U
Authority: CN
Inventors: 朱功杰; 张逵; 陈思达; 胡世福; 曲啸天; 高晨; 俞锋; 郑俊彦
Original assignee: Wuxi Zhonghe Electric Equipment Co ltd
Current assignee: Wuxi Zhonghe Electric Equipment Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-05-30
Anticipated expiration: 2032-11-24

Abstract

The utility model relates to the technical field of pilot valve detection, in particular to a test tool for testing the assembly qualification of a pilot valve core, which comprises an outer frame, wherein the bottom of the outer frame is fixedly connected with a manual pump, one side of the manual pump is provided with a separated oil cylinder which is installed with the manual pump, the top of the separated oil cylinder is provided with a pressure-bearing sleeve which is fixed with the separated oil cylinder, the bottom of the outer frame is fixedly connected with a positioning sliding sleeve, the positioning sliding sleeve is installed on the outer side of the pressure-bearing sleeve, the pressure-bearing sleeve is slidably connected and installed in the positioning sliding sleeve, the outer ring at the top of the pressure-bearing sleeve is fixedly connected with a cushion block, a jacking device is fixedly embedded in the cushion block, the top of the outer frame is fixedly connected with an upward-protruding test positioning column, the pilot valve is fixedly arranged in the test positioning column, and the jacking device is contacted with a spring at the bottom of the pilot valve.

Description

Test tool for checking assembly qualification of pilot valve element

Technical Field

The utility model relates to the field of pilot valve detection, in particular to a test tool for testing assembly qualification of a pilot valve core.

Background

The control valve is a valve which is partially applied to a high pressure difference environment in a power plant process system, a valve core component adopts a pilot structure, when the valve needs to be opened, a pilot valve core firstly opens the upstream pressure and the downstream pressure of a balanced valve, and then opens a main valve core, so that the valve can smoothly act in the high pressure difference environment, the pilot valve component consists of the pilot valve core, a spring component and the main valve core, after the pilot valve component is assembled, the spring is in a precompression state, and due to the obstruction of the main valve core, whether the compression form of the spring is normal or not cannot be judged, if the spring is assembled abnormally, the pilot valve core is not tightly sealed and cannot be opened, and the like, so that the valve cannot work normally, and the loop function of a process system is affected.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model aims to provide a test tool for checking the assembly qualification of a pilot valve core.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a test tool for checking pilot valve core equipment qualification, includes outer frame, the bottom fixedly connected with manual pump of outer frame, one side of manual pump is equipped with the disconnect-type hydro-cylinder of installing with it, the top of disconnect-type hydro-cylinder is equipped with the pressure-bearing cover fixed with it, the bottom fixedly connected with location sliding sleeve of outer frame, the location sliding sleeve is installed in the pressure-bearing cover outside, and pressure-bearing cover sliding connection installs in the inside of location sliding sleeve, the outer lane fixedly connected with cushion at pressure-bearing cover top, the inside embedding of cushion is fixed with jacking device, the top fixedly connected with of outer frame makes progress bellied test reference column, the inside of test reference column is fixed with the pilot valve, jacking device and the spring contact of pilot valve bottom.

Further, the jacking device comprises a jacking base, a connecting block, a jacking rod and a positioning center, wherein the jacking base is embedded and fixed between cushion blocks, the connecting block is fixedly connected to the top of the jacking base, the jacking rod penetrates through the inside of the connecting block and is fixed in the inside of the connecting block, the positioning center is fixedly connected to the top of the jacking rod, the positioning center is slidably mounted to the top of the outer frame, and the upper end of the positioning center props against the lower end of the pilot valve spring.

Further, the inboard fixedly connected with mounting platform of outer frame, mounting platform's top is fixed with the jacking detection table, the probe of jacking detection table bottom withstands the top of pressure-bearing cover.

Further, universal wheels are fixedly connected to the bottom of the outer frame.

In summary, the utility model has the following beneficial effects:

the utility model can carry out off-line inspection on whether the pilot valve assembly is qualified or not, applies an external force to the assembled pilot valve assembly to compress the pilot valve spring, and at the moment, if the pilot valve assembly deflects relative to the main valve assembly, the assembly is qualified, compared with the traditional on-line diagnosis method which needs to install the pilot valve assembly into the valve body and install an actuating mechanism and a instrument control accessory, the method is simple, convenient, visual and efficient, and can accurately identify whether the pilot valve assembly is qualified or not in an off-line state.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate and together with the description serve to explain the utility model, if necessary:

fig. 1 is a schematic view of the overall structure of the present utility model.

In the figure, 1, an outer frame; 2. a manual pump; 3. a separate oil cylinder; 4. a pressure-bearing sleeve; 5. positioning a sliding sleeve; 6. a cushion block; 7. testing a positioning column; 8. a pilot valve; 9. jacking the base; 10. a connecting block; 11. a lifting rod; 12. positioning a center; 13. a mounting platform; 14. jacking a detection table; 15. and a universal wheel.

Detailed Description

The foregoing and other features, aspects and advantages of the present utility model will become more apparent from the following detailed description of the embodiments, which proceeds with reference to the accompanying fig. 1. The following embodiments are described in detail with reference to the drawings.

Exemplary embodiments of the present utility model will be described below with reference to the accompanying drawings.

Example 1: the utility model provides a test tool that inspection guide case equipment was qualified, includes outer frame 1, and outer frame 1 wholly is built by crossbeam and longeron, and the top of outer frame 1 is the upper platform, and the bottom is the lower platform, and the bottom fixedly connected with universal wheel 15 of outer frame 1 lower platform can be convenient for remove whole test bench.

One side of outer frame 1 bottom fixedly connected with manual pump 2, one side of manual pump 2 is equipped with the disconnect-type hydro-cylinder 3 of installing with it, the top of disconnect-type hydro-cylinder 3 is equipped with the pressure-bearing cover 4 fixed with it, the bottom fixedly connected with location sliding sleeve 5 of outer frame 1, location sliding sleeve 5 installs in the pressure-bearing cover 4 outside, and pressure-bearing cover 4 sliding connection installs in the inside of location sliding sleeve 5, operation manual pump 2 can provide power for disconnect-type hydro-cylinder 3, the output shaft of drive disconnect-type hydro-cylinder 3 is upwards jacked gradually, because pressure-bearing cover 4 is fixed together with disconnect-type hydro-cylinder 3, pressure-bearing cover 4 alright follow the synchronous upward movement of output shaft of disconnect-type hydro-cylinder 3, pressure-bearing cover 4 upwards slides along its outside location sliding sleeve 5.

The inboard fixedly connected with mounting platform 13 of outer frame 1, mounting platform 13's top is fixed with jacking detection table 14, the probe of jacking detection table 14 bottom withstands the top of pressure-bearing cover 4, when the pressure-bearing piece upward movement, the probe part of jacking detection table 14 can receive the ascending extrusion force of pressure-bearing cover 4 to detect the pressure value that receives, the pressure value that jacking detection table 14 measured can regard as the reference, guarantee the operation in every test, the distance that pressure-bearing cover 4 upwards moved is in certain range, can increase experimental reliability, simultaneously also can prevent that pressure-bearing cover 4 upward movement distance is too big, lead to damaging the condition appearance of pilot valve 8 spring.

The outer ring at the top of the pressure-bearing sleeve 4 is fixedly connected with a cushion block 6, a jacking device is fixedly embedded in the cushion block 6, the jacking device comprises a jacking base 9 embedded and fixed between the cushion blocks 6, a connecting block 10 fixedly connected to the top of the jacking base 9, a jacking rod 11 penetrating through the inside of the connecting block 10 and fixed to the inside of the connecting block 10, and a positioning center 12 fixedly connected to the top of the jacking rod 11, and the positioning center 12 is slidably mounted at the top of the outer frame 1.

The cushion block 6 is used for fixing the whole jacking device, the connecting block 10 is used for fixing the position of the whole jacking rod 11, so that the line of the up-and-down motion of the jacking rod 11 is kept constant, and the deviation condition can not occur.

The top of the outer frame 1 is fixedly connected with an upward protruding test positioning column 7, a pilot valve 8 is fixed in the test positioning column 7, the jacking device is in contact with a spring at the bottom of the pilot valve 8, and the upper end of a positioning center 12 props against the lower end of the spring of the pilot valve 8.

The test bed can check whether the pilot valve 8 core assembly is qualified or not in an off-line manner, the lifting rod 11 is lifted, an external force can be applied to the assembled pilot valve 8 assembly, so that the spring below the pilot valve 8 is compressed, and at the moment, if the pilot valve 8 core deflects relative to the main valve core, the assembly is qualified, and compared with the traditional on-line diagnosis method, the pilot valve 8 assembly is required to be installed in the valve body and an actuating mechanism and instrument control accessories are installed.

While the utility model has been described in connection with certain embodiments, it is not intended that the utility model be limited thereto; for those skilled in the art to which the present utility model pertains and the related art, on the premise of based on the technical scheme of the present utility model, the expansion, the operation method and the data replacement should all fall within the protection scope of the present utility model.

Claims

1. The utility model provides a test tool for checking pilot spool equipment qualification, includes outer frame (1), its characterized in that: the automatic lifting device is characterized in that a manual pump (2) is fixedly connected to the bottom of the outer frame (1), a separated oil cylinder (3) mounted with the manual pump (2) is arranged on one side of the manual pump (2), a bearing sleeve (4) fixed with the separated oil cylinder (3) is arranged at the top of the separated oil cylinder, a positioning sliding sleeve (5) is fixedly connected to the bottom of the outer frame (1), the positioning sliding sleeve (5) is mounted on the outer side of the bearing sleeve (4), the bearing sleeve (4) is slidably mounted inside the positioning sliding sleeve (5), a cushion block (6) is fixedly connected to the outer ring of the top of the bearing sleeve (4), a jacking device is fixedly embedded in the cushion block (6), an upward-protruding test positioning column (7) is fixedly connected to the top of the outer frame (1), a pilot valve (8) is fixedly arranged in the inner portion of the test positioning column (7), and the jacking device is in contact with a spring at the bottom of the pilot valve (8).

2. The test tool for testing the assembly qualification of a pilot spool as set forth in claim 1, wherein: the jacking device comprises a jacking base (9) which is embedded and fixed between cushion blocks (6), a connecting block (10) which is fixedly connected to the top of the jacking base (9), a jacking rod (11) which penetrates through the inside of the connecting block (10) and is fixed to the inside of the connecting block (10), and a positioning center (12) which is fixedly connected to the top of the jacking rod (11), wherein the positioning center (12) is slidably mounted at the top of the outer frame (1), and the upper end of the positioning center (12) props against the lower end of a spring of the pilot valve (8).

3. The test tool for testing the assembly qualification of a pilot spool as set forth in claim 2, wherein: the inner side of the outer frame (1) is fixedly connected with a mounting platform (13), the top of the mounting platform (13) is fixedly provided with a jacking detection meter (14), and a probe at the bottom of the jacking detection meter (14) props against the top end of the pressure-bearing sleeve (4).

4. A test tool for testing the assembly qualification of a pilot spool as defined in claim 3, wherein: the bottom of the outer frame (1) is fixedly connected with a universal wheel (15).