CN110793726A - High-efficient valve body leak hunting device - Google Patents
High-efficient valve body leak hunting device Download PDFInfo
- Publication number
- CN110793726A CN110793726A CN201910409164.2A CN201910409164A CN110793726A CN 110793726 A CN110793726 A CN 110793726A CN 201910409164 A CN201910409164 A CN 201910409164A CN 110793726 A CN110793726 A CN 110793726A
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- cylinder
- water tank
- air
- plug
- valve body
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/08—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
- G01M3/086—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for valves
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a high-efficiency valve body leak detection device which comprises a water tank (1), an air cylinder A (2), an air cylinder B (3) and an air connector (4). The water tank adopted by the invention is provided with a water inlet pipe, a water inlet valve, a water outlet pipe and a drain valve; the cylinder A is connected with a right plug; the cylinder B is connected with a lower plugging plate, and the lower plugging plate is provided with a plug; the air joint is provided with a pipe hole and an air cushion; the air cylinder A is fixed on the right outer wall of the water tank, and the right plug is positioned in the inner cavity of the water tank; the cylinder B is fixed on the lower outer wall of the water tank, and the lower blocking plate is positioned in the inner cavity of the water tank; the air joint is fixed on the left wall of the water tank; during operation, the pneumatic element A cylinder and the pneumatic element B cylinder respectively drive the right plug, the lower plug plate and the plugs to automatically plug each channel interface of the valve body, so that the pneumatic water detection of the valve body is realized, and the purposes of reducing working strength, improving efficiency and reducing cost are achieved.
Description
Technical Field
The invention relates to a valve body leakage detection device, in particular to a high-efficiency valve body leakage detection device for valve body gas pressure water detection.
Background
The valve body is a shell component of the valve, the valve body is formed by casting and cutting processes, and the cast valve body has the defects of air holes and sand holes, so that leakage detection of gas pressurization bubble detection, referred to as gas pressurization water detection for short, is required to be carried out after the valve body is formed by cutting and before the valve core is assembled; for the pneumatic water detection of the valve body, referring to fig. 2, in the prior art, manual work is adopted, each channel interface of the valve body is screwed and plugged by using screwed plugs in different forms, one screwed plug is provided with a compressed air vent pipe, when the leakage is detected, the plugged valve body is placed in a water pool and immersed in water, compressed air is filled into the valve body, whether bubbles appear on the cavity wall of the valve body is visually detected, if no bubbles appear, the valve body passes through the water pool, and if bubbles appear, the valve body is marked and then is removed for further processing; during mass production, the manual rotary plugging interface has the advantages of high working strength, low efficiency and high labor cost, and therefore, the problems and the defects of high working strength, low efficiency and high cost in the prior art exist.
Disclosure of Invention
Aiming at the problems and the defects of the prior art, the invention adopts a device consisting of a water tank, an air cylinder A, an air cylinder B and an air joint, wherein the water tank is a hollow, open-top and rectangular box-shaped copper alloy component, two pipelines communicated with the inner cavity of the water tank are arranged below the water tank and are respectively called a water inlet pipe and a water outlet pipe, the water inlet pipe is provided with an electromagnetic valve for controlling opening and closing and is called an inlet valve, and the water outlet pipe is provided with an electromagnetic valve for controlling opening and closing and is called an outlet valve; the cylinder A and the cylinder B are air pressure telescopic executing elements consisting of cylinder bodies and piston rods; the left end of a piston rod of the cylinder A is fixedly connected with a right plug, the right plug is a cylindrical massive copper alloy component, and the left end of the right plug is provided with an elastic rubber sealing gasket called a right rubber gasket; the upper end of a piston rod of the cylinder B is fixedly connected with a lower blocking plate, the lower blocking plate is a rectangular plate-shaped copper alloy component, and three cylindrical blocky elastic rubber plugs which are mutually spaced are arranged on the lower blocking plate; the air joint is a copper alloy component with a left small cylindrical step and a right large cylindrical step, a left-right circular through hole is arranged in the center of the air joint and is called a pipe hole, an elastic rubber sealing gasket is arranged at the right end of the large cylindrical step at the right part of the air joint and is called an air cushion gasket, and the air cushion gasket is provided with a through hole which is correspondingly communicated with the pipe hole and is called an air cushion hole; the cylinder body of the cylinder A is fixed on the right outer wall of the water tank, the piston rod of the cylinder A hermetically slides through the right wall of the water tank, and the right plug is positioned in the inner cavity of the water tank; the cylinder body of the cylinder B is fixed on the lower outer wall of the water tank, the piston rod of the cylinder B passes through the lower wall of the water tank in a sealing and sliding manner, and the lower blocking plate is positioned in the inner cavity of the water tank; the air joint is fixed on the left wall of the water tank, the large cylindrical step at the right part of the air joint is positioned in the inner cavity of the water tank, and the small cylindrical step at the left part of the air joint extends out of the left wall of the water tank leftwards; the axis of the air joint is correspondingly superposed with the axis of the right plug, and the vertical axis of the plug is correspondingly orthogonal to the axis of the air joint;
when in use, the device needs to be matched with a compressed air source, a water source and an electric control cabinet; the air cylinder A, the air cylinder B and the air joint are connected with a compressed air source under the control of an electric control cabinet, a water inlet pipe is connected with a water source through an inlet valve, and a water outlet pipe is connected with a water source through an outlet valve;
when the water tank water inlet valve works, the valve body is arranged among the right plug, the air connector and the lower plug, the air cylinder A is started, the right plug moves leftwards to clamp the valve body between the right plug and the air connector, wherein the right rubber pad of the right plug plugs the right channel interface of the valve body, the air rubber pad of the air connector plugs the left channel interface of the valve body, the pipe hole is communicated with the inner cavity of the valve body through an air pad hole, then the air cylinder B is started, the lower plug moves upwards, the three plugs on the lower plug respectively plug the three lower channel interfaces below the valve body, then the water inlet valve is started, water from a water source is injected into the inner cavity of the water tank through the water inlet pipe until the valve body is immersed, then compressed air is injected into the inner cavity of the valve body through the air connector to visually inspect whether bubbles appear on the surface of the valve body, then the compressed air is released, the discharge valve is started, the cylinder A and the cylinder B are started to retract, the right plug and the channel interface of the plug and the valve body are separated, the valve body is taken out, when bubbles are observed by eyes, the valve body without the bubbles passes through the air valve body, and the valve body with the bubbles is marked and then removed for additional treatment.
The purpose of the invention is realized as follows: the utility model provides a high-efficient valve body leak hunting device, includes water tank, A cylinder, B cylinder, gas connector, wherein: the water tank is a hollow, open-top and rectangular box-shaped copper alloy component, two pipelines communicated with the inner cavity of the water tank are arranged below the water tank and are respectively called a water inlet pipe and a water outlet pipe, the water inlet pipe is provided with an electromagnetic valve for controlling opening and closing and is called a water inlet valve, and the water outlet pipe is provided with an electromagnetic valve for controlling opening and closing and is called a drain valve;
the cylinder A and the cylinder B are air pressure telescopic executing elements consisting of cylinder bodies and piston rods; the left end of a piston rod of the cylinder A is fixedly connected with a right plug, the right plug is a cylindrical massive copper alloy component, and the left end of the right plug is provided with an elastic rubber sealing gasket called a right rubber gasket; the upper end of a piston rod of the cylinder B is fixedly connected with a lower blocking plate, the lower blocking plate is a rectangular plate-shaped copper alloy component, and three cylindrical blocky elastic rubber plugs which are mutually spaced are arranged on the lower blocking plate;
the air joint is a copper alloy component with a left small cylindrical step and a right large cylindrical step, a left-right circular through hole is arranged in the center of the air joint and is called a pipe hole, an elastic rubber sealing gasket is arranged at the right end of the large cylindrical step at the right part of the air joint and is called an air cushion, and the air cushion is provided with a through hole which is correspondingly communicated with the pipe hole and is called an air cushion hole;
the cylinder body of the cylinder A is fixed on the right outer wall of the water tank, the piston rod of the cylinder A hermetically slides through the right wall of the water tank, and the right plug is positioned in the inner cavity of the water tank; the cylinder body of the cylinder B is fixed on the lower outer wall of the water tank, the piston rod of the cylinder B passes through the lower wall of the water tank in a sealing and sliding manner, and the lower blocking plate is positioned in the inner cavity of the water tank; the air joint is fixed on the left wall of the water tank, the large cylindrical step at the right part of the air joint is positioned in the inner cavity of the water tank, and the small cylindrical step at the left part of the air joint extends out of the left wall of the water tank leftwards; the axis of the air connector is correspondingly overlapped with the axis of the right plug, and the vertical axis of the plug is correspondingly orthogonal to the axis of the air connector.
Working principle and beneficial effects
When in use, the device needs to be matched with a compressed air source, a water source and an electric control cabinet; the air cylinder A, the air cylinder B and the air joint are connected with a compressed air source under the control of an electric control cabinet, a water inlet pipe is connected with a water source through an inlet valve, and a water outlet pipe is connected with a water source through an outlet valve;
when the water tank water inlet valve works, the valve body is arranged among the right plug, the air connector and the lower plug, the air cylinder A is started, the right plug moves leftwards to clamp the valve body between the right plug and the air connector, wherein the right rubber pad of the right plug plugs the right channel interface of the valve body, the air rubber pad of the air connector plugs the left channel interface of the valve body, the pipe hole is communicated with the inner cavity of the valve body through an air pad hole, then the air cylinder B is started, the lower plug moves upwards, the three plugs on the lower plug respectively plug the three lower channel interfaces below the valve body, then the water inlet valve is started, water from a water source is injected into the inner cavity of the water tank through the water inlet pipe until the valve body is immersed, then compressed air is injected into the inner cavity of the valve body through the air connector to visually inspect whether bubbles appear on the surface of the valve body, then the compressed air is released, the discharge valve is started, and starting the cylinder A and the cylinder B to retract, separating the right plug and the channel interface of the plug and the valve body, taking out the valve body, allowing the valve body without bubbles to pass through when bubbles are visually observed, and marking the valve body with bubbles and then rejecting the valve body with bubbles for additional treatment.
The device has the advantages of simple structure and reliable work, automatically plugs the channel interface of the valve body through the pneumatic elements of the air cylinder A and the air cylinder B, avoids the defect of manual rotary plugging, enables the air pressure water detection of the valve body, reduces the working strength, improves the efficiency and reduces the cost.
The invention adopts a device consisting of a water tank, an air cylinder A, an air cylinder B and an air joint, wherein the water tank is a hollow, rectangular box-shaped copper alloy component with an open upper surface, and is provided with the water tank, a water inlet pipe, a water inlet valve, a water outlet pipe and a drain valve; the cylinder A is connected with a right plug; the cylinder B is connected with a lower plugging plate, and the lower plugging plate is provided with a plug; the air joint is provided with a pipe hole and an air cushion; the cylinder body of the cylinder A is fixed on the right outer wall of the water tank, the piston rod of the cylinder A hermetically slides through the right wall of the water tank, and the right plug is positioned in the inner cavity of the water tank; the cylinder body of the cylinder B is fixed on the lower outer wall of the water tank, the piston rod of the cylinder B passes through the lower wall of the water tank in a sealing and sliding manner, and the lower blocking plate is positioned in the inner cavity of the water tank; the air joint is fixed on the left wall of the water tank, the large cylindrical step at the right part of the air joint is positioned in the inner cavity of the water tank, and the small cylindrical step at the left part of the air joint extends out of the left wall of the water tank leftwards;
when the water tank water inlet valve works, the valve body is arranged among the right plug, the air connector and the lower plug, the air cylinder A is started, the right plug moves leftwards to clamp the valve body between the right plug and the air connector, wherein the right rubber pad of the right plug plugs the right channel interface of the valve body, the air rubber pad of the air connector plugs the left channel interface of the valve body, the pipe hole is communicated with the inner cavity of the valve body through an air pad hole, then the air cylinder B is started, the lower plug moves upwards, the three plugs on the lower plug respectively plug the three lower channel interfaces below the valve body, then the water inlet valve is started, water from a water source is injected into the inner cavity of the water tank through the water inlet pipe until the valve body is immersed, then compressed air is injected into the inner cavity of the valve body through the air connector to visually inspect whether bubbles appear on the surface of the valve body, then the compressed air is released, the discharge valve is started, the cylinder A and the cylinder B are started to retract, the right plug and the channel interface of the plug and the valve body are separated, the valve body is taken out, when bubbles are observed by eyes, the bubble-free valve body passes through the air bubble detecting device, and the bubble-containing valve body is marked and then is removed for additional processing.
Drawings
FIG. 1 is a schematic sectional view in elevation of a high efficiency valve body leak detection apparatus of the present invention;
fig. 2 is a schematic diagram of the prior art screw-on plugging of each channel interface of the valve body 01.
The invention will be described in more detail hereinafter with reference to an embodiment example in the drawings, but it should not be construed as being limited thereto.
In the figure: the air cylinder comprises a water tank 1, a water inlet pipe 11, an inlet valve 111, a water outlet pipe 12, a discharge valve 121, an A air cylinder 2, a right plug 21, a B air cylinder 3, a lower plug plate 31, a plug 311, an air joint 4, an air rubber pad 41, a valve body 01, a screwing plug 02 and water 03.
Detailed Description
Referring to fig. 1, the high-efficiency valve body leak detection device of the present invention includes a water tank 1, an a cylinder 2, a B cylinder 3, and a gas joint 4, wherein: the water tank 1 is a hollow, open-top and rectangular box-shaped copper alloy component, two pipelines which are communicated with the inner cavity of the water tank 1 are arranged below the water tank 1 and are respectively called a water inlet pipe 11 and a water outlet pipe 12, the water inlet pipe 11 is provided with an electromagnetic valve for controlling opening and closing and is called an inlet valve 111, and the water outlet pipe 12 is provided with an electromagnetic valve for controlling opening and closing and is called an outlet valve 121;
the cylinder A2 and the cylinder B3 are air pressure telescopic actuating elements consisting of cylinder bodies and piston rods; the left end of a piston rod of the cylinder A2 is fixedly connected with a right plug 21, the right plug 21 is a cylindrical massive copper alloy component, and the left end of the right plug 21 is provided with an elastic rubber sealing gasket called a right rubber gasket; the upper end of a piston rod of the cylinder B3 is fixedly connected with a lower blocking plate 31, the lower blocking plate 31 is a rectangular plate-shaped copper alloy component, and three cylindrical blocky elastic rubber plugs 311 which are mutually spaced are arranged on the upper surface of the lower blocking plate 31;
the air joint 4 is a copper alloy component with a left small cylindrical step and a right large cylindrical step, a left-right circular through hole called a pipe hole is formed in the center of the air joint 4, an elastic rubber sealing gasket called an air rubber gasket 41 is arranged at the right end of the large cylindrical step at the right part of the air joint 4, and the air rubber gasket 41 is provided with a through hole called an air rubber gasket hole correspondingly communicated with the pipe hole;
the cylinder body of the cylinder A2 is fixed on the right outer wall of the water tank 1, the piston rod of the cylinder A2 hermetically slides through the right wall of the water tank 1, and the right plug 21 is positioned in the inner cavity of the water tank 1; the cylinder body of the cylinder B3 is fixed on the lower outer wall of the water tank 1, the piston rod of the cylinder B3 hermetically slides through the lower wall of the water tank 1, and the lower blocking plate 31 is positioned in the inner cavity of the water tank 1; the air joint 4 is fixed on the left wall of the water tank 1, the large cylindrical step at the right part of the air joint 4 is positioned in the inner cavity of the water tank 1, and the small cylindrical step at the left part of the air joint 4 extends out of the left wall of the water tank 1 leftwards; the axis of the air connector 4 is correspondingly overlapped with the axis of the right plug 21, and the vertical axis of the plug 311 is correspondingly orthogonal to the axis of the air connector 4.
Working principle and beneficial effects
When in use, the device needs to be matched with a compressed air source, a water source and an electric control cabinet; controlled by the electric control cabinet, the cylinder A2, the cylinder B3 and the air joint 4 are connected with a compressed air source, the water inlet pipe 11 is connected with a water source through the inlet valve 111, and the water outlet pipe 12 is connected with a water source through the exhaust valve 121;
when the water tank works, the valve body 01 is placed among the right plug 21, the air connector 4 and the lower plug plate 31, the air cylinder 2A is started, the right plug 21 moves leftwards to clamp the valve body 01 between the right plug 21 and the air connector 4, wherein the right rubber pad of the right plug 21 plugs the right channel interface of the valve body 01, the air rubber pad 41 of the air connector 4 plugs the left channel interface of the valve body 01, the pipe hole is communicated with the inner cavity of the valve body 01 through an air pad hole, then the air cylinder 3B is started, the lower plug plate 31 moves upwards, the three plugs 311 on the lower plug plate 31 respectively plug the three lower channel interfaces below the valve body 01, then the air inlet valve 111 is started, water from a water source is injected into the inner cavity of the water tank 1 through the water inlet pipe 11, the water level is up to submerge the valve body 01, then compressed air is injected into the inner cavity of the valve body 01 through the air connector 4, whether, releasing compressed air, starting a drain valve 121 to drain water in the water tank 1 through a drain pipe 12, then starting an air cylinder A2 and an air cylinder B3 to retract, separating the right plug 21 and the plug 311 from a channel interface of the valve body 01, taking out the valve body 01, enabling the valve body 01 without bubbles to pass through when bubbles are observed visually, and marking the valve body 01 with bubbles and then removing the valve body 01 for additional treatment.
This device simple structure, the reliable operation carries out automatic shutoff through pneumatic element A cylinder 2, B cylinder 3 to the channel interface of valve body 01, has avoided the manual work to connect the drawback of shutoff soon, makes the atmospheric pressure water of valve body 01 examine, has alleviateed working strength, has improved efficiency, the cost is reduced.
Claims (1)
1. The utility model provides a high-efficient valve body leak hunting device, includes water tank (1), A cylinder (2), B cylinder (3) and gas connector (4), its characterized in that: the water tank (1) is a hollow, rectangular box-shaped copper alloy component with an open upper surface, two pipelines communicated with an inner cavity of the water tank (1) are arranged below the water tank (1) and are respectively called a water inlet pipe (11) and a water outlet pipe (12), the water inlet pipe (11) is provided with an electromagnetic valve for controlling opening and closing and is called a water inlet valve (111), and the water outlet pipe (12) is provided with an electromagnetic valve for controlling opening and closing and is called a drain valve (121);
the cylinder A (2) and the cylinder B (3) are air pressure telescopic actuating elements consisting of cylinder bodies and piston rods; the left end of a piston rod of the cylinder A (2) is fixedly connected with a right plug (21), the right plug (21) is a cylindrical massive copper alloy component, and the left end of the right plug (21) is provided with an elastic rubber sealing gasket called a right rubber gasket; the upper end of a piston rod of the cylinder B (3) is fixedly connected with a lower blocking plate (31), the lower blocking plate (31) is a rectangular plate-shaped copper alloy component, and three cylindrical blocky elastic rubber plugs (311) which are mutually spaced are arranged on the upper surface of the lower blocking plate (31);
the gas joint (4) is a copper alloy component with a left small cylindrical step and a right large cylindrical step, a left-right circular through hole called a tube hole is formed in the center of the gas joint (4), an elastic rubber sealing gasket called a gas rubber gasket (41) is arranged at the right end of the large cylindrical step at the right part of the gas joint (4), and the gas rubber gasket (41) is provided with a through hole called a gas rubber gasket hole which is correspondingly communicated with the tube hole;
the cylinder body of the cylinder A (2) is fixed on the right outer wall of the water tank (1), the piston rod of the cylinder A (2) penetrates through the right wall of the water tank (1) in a sealing and sliding mode, and the right plug (21) is located in the inner cavity of the water tank (1); the cylinder body of the cylinder B (3) is fixed on the lower outer wall of the water tank (1), the piston rod of the cylinder B (3) hermetically slides through the lower wall of the water tank (1), and the lower blocking plate (31) is positioned in the inner cavity of the water tank (1); the air connector (4) is fixed on the left wall of the water tank (1), the large cylindrical step at the right part of the air connector (4) is positioned in the inner cavity of the water tank (1), and the small cylindrical step at the left part of the air connector (4) extends out of the left wall of the water tank (1) leftwards; the axis of the air connector (4) is correspondingly overlapped with the axis of the right plug (21), and the vertical axis of the plug (311) is correspondingly orthogonal to the axis of the air connector (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910409164.2A CN110793726A (en) | 2019-05-08 | 2019-05-08 | High-efficient valve body leak hunting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910409164.2A CN110793726A (en) | 2019-05-08 | 2019-05-08 | High-efficient valve body leak hunting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110793726A true CN110793726A (en) | 2020-02-14 |
Family
ID=69426973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910409164.2A Withdrawn CN110793726A (en) | 2019-05-08 | 2019-05-08 | High-efficient valve body leak hunting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110793726A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323629A (en) * | 2020-09-29 | 2022-04-12 | 上海廷本流体控制有限公司 | Stop valve pressure test frock |
-
2019
- 2019-05-08 CN CN201910409164.2A patent/CN110793726A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323629A (en) * | 2020-09-29 | 2022-04-12 | 上海廷本流体控制有限公司 | Stop valve pressure test frock |
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Application publication date: 20200214 |
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| WW01 | Invention patent application withdrawn after publication |