CN220366972U

CN220366972U - Hydraulic valve air tightness inspection device

Info

Publication number: CN220366972U
Application number: CN202321729887.9U
Authority: CN
Inventors: 唐虎; 陈杰; 魏勇; 张俊锋
Original assignee: Hubei Jieerfu Intelligent Equipment Co ltd
Current assignee: Hubei Jieerfu Intelligent Equipment Co ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2024-01-19
Anticipated expiration: 2033-07-04

Abstract

The utility model discloses a hydraulic valve air tightness testing device, which comprises a base; the first ball valve is closed and the second ball valve is opened by rotating the first adjusting rod and the second adjusting rod, so that the closed bin is communicated with the air inlet pipe, the second ball valve is closed after the closed bin is ventilated for a period of time, the display screen is used for checking the air pressure at the moment, if the air pressure is unchanged for a long time, the state of the detector is good, one end of the hydraulic valve is plugged into the connecting pipe, an inner rubber layer is tightly attached to the surface of one end of the hydraulic valve, the sealing plug seals other outlet surfaces of the hydraulic valve, the inner rubber layer is tightly attached to the outlet surface, the rubber plug is sealed inside the inlet and outlet, the servo motor is started to drive the bidirectional threaded rod to rotate, then the two movable plates drive the clamping plates to move towards the center in the movable groove, the limiting rods are used for supporting and limiting the clamping plates to a certain extent, and the clamping plates fix the hydraulic valve connected with the detector above the operating table.

Description

Hydraulic valve air tightness inspection device

Technical Field

The utility model relates to the technical field of air tightness inspection, in particular to an air tightness inspection device for a hydraulic valve.

Background

The hydraulic valve is an automatic element operated by pressure oil, is controlled by the pressure oil of the pressure distribution valve, is usually used in combination with an electromagnetic pressure distribution valve, can be used for remotely controlling the on-off of oil, gas and water pipeline systems of a hydropower station, and needs to carry out a series of quality tests, such as strength tests and air tightness tests, when the air tightness test is carried out on the hydraulic valve, because the hydraulic valves with different numbers of outlets exist in different models of products, when the air tightness test is carried out on the hydraulic valve, different equipment is required to be replaced to finish the test, and the air tightness test equipment cannot be provided more conveniently. Accordingly, a hydraulic valve tightness testing device is provided by those skilled in the art to solve the problems set forth in the background art.

Disclosure of Invention

The utility model aims to provide a hydraulic valve air tightness testing device which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a hydraulic valve air tightness testing device,

preferably, the upper end of the base is provided with a fixed block, the upper end of the fixed block is provided with a plurality of sealing plugs, the sealing plugs are fixedly connected with rubber plugs, the inner side walls of the sealing plugs are provided with rubber layers, the upper end of the base is provided with a detection structure, the base is internally provided with a clamping structure, the upper end of the base is fixedly connected with an operation table, and the upper end of the operation table is provided with a movable groove;

preferably, the detection structure comprises a detector, a display screen, a first adjusting rod, an air inlet pipe, a second adjusting rod, a rubber layer, a closed bin, an air pressure detection probe, a first ball valve, a second ball valve and a connecting pipe, wherein the upper end of the base is fixedly connected with the detector;

preferably, the clamping structure comprises a fixed plate, a clamping plate, a bidirectional threaded rod, a servo motor, a movable plate and a limiting rod, wherein the fixed plate is fixedly connected in the base, one end of the fixed plate is fixedly connected with the limiting rod, the surface of the limiting rod is movably connected with the movable plate, the upper end of the movable plate is fixedly connected with the clamping plate, one end of the fixed plate is fixedly connected with the servo motor, one end of the servo motor is rotationally connected with the bidirectional threaded rod, and the surface of the bidirectional threaded rod is in threaded connection with the movable plate.

By adopting the technical proposal, the utility model has the advantages that,

compared with the prior art, the utility model has the beneficial effects that: rotating the first adjusting rod and the second adjusting rod to close the first ball valve and open the second ball valve, further communicating the closed cabin with the air inlet pipe, closing the second ball valve after ventilating the closed cabin for a period of time, checking the air pressure at the moment by using the display screen, if the air pressure does not change for a long time, the state of the detector is good, plugging one end outlet of the hydraulic valve into the connecting pipe, enabling the inner rubber layer to cling to the surface of one end outlet of the hydraulic valve, closing the sealing plug to seal other outlet surfaces of the hydraulic valve, enabling the inner rubber layer to cling to the outlet surface, closing the inner rubber plug inlet and outlet, starting the servo motor to drive the bidirectional threaded rod to rotate, further driving the two movable plates to drive the clamping plate to move towards the center in the movable groove, enabling the limiting rod to support and limit the clamping plate to a certain extent, enabling the clamping plate to fix the hydraulic valve connected with the detector above the operating table, opening the first ball valve and the second ball valve, the utility model can use the sealing plugs to seal other outlets when the hydraulic valves with different types and different outlets are needed to be detected, and use a single outlet to connect a connecting pipe of a detector to detect the hydraulic valve, thereby ensuring that the device can adapt to the hydraulic valves with different types when needed, increasing the application range of the device, and further ensuring that the hydraulic valve is not separated from the detector due to the pressure during the ventilation because of the clamping structure after the hydraulic valve is connected to the detector, the air tightness detection can be carried out on the detector before the use, so that the situation of the hydraulic valve detected later is ensured, and the detection yield of the hydraulic valve is ensured.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a hydraulic valve air tightness testing device.

Fig. 2 is a schematic diagram showing the overall structure of a clamping structure in the hydraulic valve air tightness test device.

Fig. 3 is a schematic cross-sectional view of a closed chamber in a hydraulic valve tightness test device.

Fig. 4 is a schematic cross-sectional view of a closure plug in a hydraulic valve tightness test device.

In the figure: 1. a base; 2. an operation table; 3. a detector; 4. a display screen; 5. a first adjusting lever; 6. an air inlet pipe; 7. a second adjusting lever; 8. a movable groove; 9. a fixed block; 10. a sealing plug; 11. a fixing plate; 12. a clamping plate; 13. a two-way threaded rod; 14. a servo motor; 15. a movable plate; 16. a limit rod; 17. a rubber layer; 18. closing the bin; 19. an air pressure detection probe; 20. a first ball valve; 21. a second ball valve; 22. a rubber stopper; 23. and (5) connecting pipes.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, in an embodiment of the present utility model, a fixed block 9 is disposed at an upper end of a base 1, a plurality of sealing plugs 10 are disposed at an upper end of the fixed block 9, a rubber plug 22 is fixedly connected in the sealing plugs 10, a rubber layer 17 is disposed on an inner side wall of the sealing plugs 10, a detecting structure is disposed at an upper end of the base 1, a clamping structure is disposed in the base 1, an operation table 2 is fixedly connected at an upper end of the base 1, a movable slot 8 is disposed at an upper end of the operation table 2, the detecting structure comprises a detector 3, a display screen 4, a first adjusting rod 5, an air inlet pipe 6, a second adjusting rod 7, a rubber layer 17, a sealing bin 18, an air pressure detecting probe 19, a first ball valve 20, a second ball valve 21 and a connecting pipe 23, a detecting instrument 3 is fixedly connected at an upper end of the base 1, a display screen 4 is disposed at an upper end of the detecting instrument 3, a sealing bin 18 is disposed in the detecting instrument 3, the first ball valve 20 is rotationally connected with one end of the first ball valve 20, the first adjusting rod 5 is fixedly connected with one end of the first ball valve 20, the first adjusting rod 5 is rotationally connected with the detector 3, the second ball valve 21 is rotationally connected with one end of the second ball valve 21, the second adjusting rod 7 is rotationally connected with the detector 3, one end of the detector 3 is fixedly connected with the connecting pipe 23, the inner side wall of the connecting pipe 23 is fixedly connected with the rubber layer 17, the connecting pipe 23 is mutually communicated with the closed cabin 18, one end of the detector 3 is fixedly connected with the air inlet pipe 6, the air inlet pipe 6 is mutually communicated with the closed cabin 18, the air pressure detecting probe 19 is fixedly connected with the closed cabin 18, the clamping structure comprises a fixing plate 11, a clamping plate 12, a bidirectional threaded rod 13, a servo motor 14, a movable plate 15 and a limiting rod 16, the fixing plate 11 is fixedly connected with the base 1, one end of the fixing plate 11 is fixedly connected with the limiting rod 16, the surface of the limiting rod 16 is movably connected with a movable plate 15, the upper end of the movable plate 15 is fixedly connected with a clamping plate 12, one end of the fixed plate 11 is fixedly connected with a servo motor 14, one end of the servo motor 14 is rotatably connected with a bidirectional threaded rod 13, and the surface of the bidirectional threaded rod 13 is in threaded connection with the movable plate 15.

The working principle of the utility model is as follows:

the utility model relates to a hydraulic valve air tightness testing device, which is characterized in that a first ball valve 20 is closed and a second ball valve 21 is opened by rotating a first adjusting rod 5 and a second adjusting rod 7, a closed cabin 18 is communicated with an air inlet pipe 6, the second ball valve 21 is closed after the closed cabin 18 is ventilated for a period of time, the air pressure at the moment is checked by using a display screen 4, if the air pressure is unchanged for a long time, the state of a detector 3 is good at the moment, one end outlet of the hydraulic valve is plugged into a connecting pipe 23, an inner rubber layer 17 is tightly attached to the surface of one end outlet of the hydraulic valve, other outlet surfaces of the hydraulic valve are closed by a sealing plug 10, the inner rubber layer 17 is tightly attached to the outlet surfaces, the inner part of a rubber plug 22 is plugged into the inlet and outlet, a servo motor 14 is started to drive a bidirectional threaded rod 13 to rotate, two movable plates 15 drive a clamping plate 12 to move towards the center in a movable groove 8, a limiting rod 16 supports and limits the clamping plate 12 to a certain extent, the clamping plate 12 fixes the hydraulic valve connected with the detector 3 above the operating table 2, the first ball valve 20 and the second ball valve 21 are opened, ventilation treatment is carried out on the inside of the hydraulic valve, after ventilation is carried out for a period of time, the second ball valve 21 is closed to check the numerical value of the display screen 4, if the numerical value is unchanged for a long time, the condition of the hydraulic valve is good, the sealing plugs 10 are arranged, when the hydraulic valve with different outlets in different types is required to be detected, the sealing plugs 10 can be used for sealing other outlets, the single outlet is used for being connected with the connecting pipe 23 of the detector 3, the hydraulic valve is further detected, the device can be matched with the hydraulic valve with different types when required, the application range of the device is increased, the clamping structure is arranged, after the hydraulic valve is connected with the detector 3, the hydraulic valve is fixed by the clamping structure, and then guarantee that the hydraulic valve can not break away from detector 3 because of atmospheric pressure during ventilation, further guaranteed subsequent service conditions, because of being equipped with first ball valve 20 and second ball valve 21, can carry out the gas tightness detection to detector 3 before the use, and then guaranteed that the hydraulic valve condition of subsequent detection is real, guaranteed the detection yield of hydraulic valve.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The hydraulic valve air tightness testing device comprises a base (1); the novel sealing device is characterized in that a fixed block (9) is arranged at the upper end of the base (1), a plurality of sealing plugs (10) are arranged at the upper end of the fixed block (9), rubber plugs (22) are fixedly connected in the sealing plugs (10), rubber layers (17) are arranged on the inner side walls of the sealing plugs (10), a detection structure is arranged at the upper end of the base (1), a clamping structure is arranged in the base (1), an operation table (2) is fixedly connected at the upper end of the base (1), and a movable groove (8) is formed in the upper end of the operation table (2).

2. The hydraulic valve air tightness testing device according to claim 1, wherein the detection structure comprises a detector (3), a display screen (4), a first adjusting rod (5), an air inlet pipe (6), a second adjusting rod (7), a rubber layer (17), a closed bin (18), an air pressure detection probe (19), a first ball valve (20), a second ball valve (21) and a connecting pipe (23), the upper end of the base (1) is fixedly connected with the detector (3), the display screen (4) is arranged at the upper end of the detector (3), and the closed bin (18) is arranged in the detector (3).

3. The hydraulic valve air tightness testing device according to claim 2, wherein the closed bin (18) is rotationally connected with a first ball valve (20), one end of the first ball valve (20) is fixedly connected with a first adjusting rod (5), and the first adjusting rod (5) is rotationally connected to the detector (3).

4. A hydraulic valve air tightness testing device according to claim 3, characterized in that the closed cabin (18) is rotatably connected with a second ball valve (21), one end of the second ball valve (21) is fixedly connected with a second adjusting rod (7), and the second adjusting rod (7) is rotatably connected to the detector (3).

5. The hydraulic valve air tightness testing device according to claim 4, wherein one end of the detector (3) is fixedly connected with a connecting pipe (23), the inner side wall of the connecting pipe (23) is fixedly connected with a rubber layer (17), and the connecting pipe (23) is communicated with the closed cabin (18).

6. The hydraulic valve air tightness testing device according to claim 5, wherein one end of the detector (3) is fixedly connected with an air inlet pipe (6), the air inlet pipe (6) is communicated with a closed cabin (18), and an air pressure detecting probe (19) is fixedly connected in the closed cabin (18).

7. The hydraulic valve air tightness testing device according to claim 1, wherein the clamping structure comprises a fixed plate (11), a clamping plate (12), a bidirectional threaded rod (13), a servo motor (14), a movable plate (15) and a limiting rod (16), and the fixed plate (11) is fixedly connected in the base (1).

8. The hydraulic valve air tightness testing device according to claim 7, wherein one end of the fixed plate (11) is fixedly connected with a limiting rod (16), the surface of the limiting rod (16) is movably connected with a movable plate (15), and the upper end of the movable plate (15) is fixedly connected with a clamping plate (12).

9. The hydraulic valve air tightness testing device according to claim 8, wherein one end of the fixed plate (11) is fixedly connected with a servo motor (14), one end of the servo motor (14) is rotatably connected with a bidirectional threaded rod (13), and the surface of the bidirectional threaded rod (13) is in threaded connection with the movable plate (15).