CN112461456B - Gas valve leakproofness detection device - Google Patents
Gas valve leakproofness detection device Download PDFInfo
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- CN112461456B CN112461456B CN202011315553.8A CN202011315553A CN112461456B CN 112461456 B CN112461456 B CN 112461456B CN 202011315553 A CN202011315553 A CN 202011315553A CN 112461456 B CN112461456 B CN 112461456B
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- clamping
- gas valve
- rod
- detection
- screw rod
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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
Abstract
The invention discloses a gas valve tightness detection device which comprises a detection water tank and a detection frame, wherein a clamping mechanism used for clamping a gas valve is arranged on an upper support, the clamping mechanism comprises a clamping screw rod and two clamping rods, the tops of the two clamping rods penetrate through the upper support and are fixedly provided with sliding spiral seats, the end part of the clamping screw rod is arranged on the upper support through a bearing seat, the bottoms of the two clamping rods are provided with clamping seal discs used for clamping and sealing two ports of the gas valve, the end part of the upper support, close to the detection frame, is hinged with the side part of the detection frame, far away from the detection water tank, is provided with a cylinder body, a piston rod is arranged on a piston plate, a pushing mechanism used for driving the piston rod to ascend and descend is arranged on the detection frame, and the other end of an adjusting support rod is hinged with the top of the piston rod. The gas valve is simple in structure, convenient to detach and mount, high in detection accuracy and high in practicability, and the air tightness of the gas valve is detected in a mode of inflation and bubbling in water.
Description
Technical Field
The invention relates to the technical field of gas valves, in particular to a gas valve tightness detection device.
Background
The gas valve is a novel safety matching device for gas pipeline engineering. The gas valve is used for cutting off, connecting and regulating gas in a pipeline, and has good control characteristics and closing sealing performance. The pipeline is suitable for various fuel gas medium pipelines such as city gas, liquefied petroleum gas, natural gas, oxygen and the like; the gas valve has wide application, various types and various classification methods. There are two general categories, automatic valves of the first category, valves that rely on the ability of the gas itself to act on its own. Such as check valves, regulator valves, pressure relief valves, etc. The second type of driving valve is a valve operated manually, electrically or pneumatically. Such as gate valves, stop valves, throttle valves, butterfly valves, ball valves, plug valves, etc.
The gas tightness of the gas valve is an important performance, and the detection of the gas tightness of the gas valve is performed by filling gas and wrapping the valve body with a gas tightness element, so that the detection and installation operation are troublesome.
Disclosure of Invention
The invention aims to provide a gas valve tightness detection device to achieve the aim.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a gas valve leakproofness detection device, is including detecting basin and test rack, the test rack top is provided with the upper bracket that is located directly over detecting the basin, is provided with the clamping mechanism who is used for centre gripping gas valve on the upper bracket, clamping mechanism includes centre gripping lead screw and two supporting rods, two supporting rod tops all run through the upper bracket and install and be fixed with the spiral seat that slides, the centre gripping lead screw tip passes through the bearing frame and installs on the upper bracket, centre gripping lead screw both ends spiral opposite direction and respectively with two spiral seat screw fittings that slide, centre gripping lead screw one end is provided with the operating handle, two supporting rod bottoms are provided with the centre gripping seal disc that is used for the centre gripping and shutoff gas valve both ends mouth, the tip that the upper bracket is close to the test rack is articulated with the test rack lateral part, the lateral part that the test basin was kept away from to the test rack is provided with the cylinder block, the tip is provided with the cylinder block under the cylinder block and gives vent to hold the end and is connected with the sealing connection seat that sets up at the supporting rod through the air duct, sealing connection seat is linked together with the centre gripping seal disc, the inside piston plate and be provided with the piston rod on the piston plate, be provided with the pushing mechanism who orders about the piston rod lift on the test rack, upper bracket bottom is provided with its articulated adjusting strut other end and articulated adjusting strut top.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: the pushing mechanism comprises an adjusting vertical screw rod rotatably mounted on the detection frame and a push plate fixed at the top of the piston rod, the side part of the push plate is in sliding fit with the rod wall of the detection frame up and down, the top end of the adjusting vertical screw rod is connected with an adjusting motor located at the top of the detection frame, and the adjusting vertical screw rod penetrates through the push plate in a spiral mode.
In one alternative: the air cylinder is characterized in that an air inlet end is further arranged on the outer wall of the bottom of the air cylinder body, and a check valve is arranged in the air inlet end.
In one alternative: the detection rack is characterized in that a connecting sliding seat is fixedly connected to the side part of the top push plate, a guide sliding rail is arranged in the vertical direction of the rod wall of the detection rack, and the connecting sliding seat is slidably buckled on the guide sliding rail.
In one alternative: the upper bracket comprises a cross frame and a plurality of support rods, the same end parts of the plurality of support rods are fixed on the rod wall of the cross frame, the side part of the cross frame is connected with the detection frame in a damping rotation mode through a rotating shaft, and each support rod is provided with a clamping mechanism and a sliding through groove for limiting the transverse sliding of the clamping rod.
In one alternative: the clamping sealing disc comprises a clamping screw rod and a sealing piston arranged on the end face of the clamping screw rod, the clamping plates are arranged at the bottom of the clamping rod, one clamping plate is of a hollow structure and is communicated with the sealing connecting seat, and the other clamping plate is of an entity structure.
In one alternative: the detection water tank is made of toughened glass, a camera is further arranged on the outer wall of the detection water tank, and a display screen plate used for displaying images shot by the camera is arranged on the outer side of the camera.
Compared with the prior art, the invention has the following beneficial effects:
in the device, the clamping screw rods are matched with the two sliding spiral seats in a spiral manner, so that the two clamping rods are close to each other and clamp the gas valve, and the clamping sealing disc can block the port of the gas valve; rethread thrust unit orders about the piston rod and moves down and utilizes adjusting support pulling upper bracket to rotate downwards and make the gas valve arrange in and detect the basin inside, and the piston rod moves down when through the piston board push down cylinder block inside and make inside gas pass through the air duct impress inside the gas valve, and arrange in when the gas valve and detect the inside aquatic of basin, its leakproofness through running through the bubble of aquatic, its simple operation and convenient to detach. The gas valve is simple in structure, convenient to detach and mount, high in detection accuracy and high in practicability, and the air tightness of the gas valve is detected in a mode of inflation and bubbling in water.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of an upper bracket in the present invention.
FIG. 3 is a schematic view of the structure of the clamping sealing plate of the present invention.
Notations for reference numerals: the device comprises a detection water tank 1, a detection frame 2, an upper support 3, a clamping rod 4, a clamping sealing disc 5, a clamping screw rod 6, a sliding screw seat 7, an operation hand wheel 8, an adjusting support rod 9, an adjusting vertical screw rod 10, a cylinder body 11, an adjusting motor 12, a piston rod 13, a pushing plate 14, a guide slide rail 15, a connecting slide seat 16, an air inlet end 17, an air outlet end 18, an air guide pipe 19, a sealing connecting seat 20, a cross frame 21, a support rod 22, a sliding through groove 23, a camera 24, a display screen plate 25, a clamping plate 26, a plugging piston 27 and a sealing rubber ring 28.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given only for illustrating the present invention and are not intended to limit the scope of the present invention. Any obvious modifications or variations can be made without departing from the spirit or scope of the present invention.
Example 1
Referring to fig. 1 to 3, in the embodiment of the present invention, a gas valve tightness detection device includes a detection water tank 1 and a detection frame 2, an upper bracket 3 located right above the detection water tank 1 is disposed at the top of the detection frame 2, a clamping mechanism for clamping a gas valve is disposed on the upper bracket 3, the clamping mechanism includes a clamping screw rod 6 and two clamping rods 4, the tops of the two clamping rods 4 both penetrate through the upper bracket 3 and are fixedly installed with a sliding spiral seat 7, the end of the clamping screw rod 6 is installed on the upper bracket 3 through a bearing seat, the spiral directions of the two ends of the clamping screw rod 6 are opposite and are respectively in spiral fit with the two sliding spiral seats 7, one end of the clamping screw rod 6 is provided with an operating hand wheel 8, the bottoms of the two clamping rods 4 are provided with a clamping seal disk 5 for clamping and sealing two ports of the gas valve, the end of the upper bracket 3 close to the detection frame 2 is hinged to the side portion of the detection frame 2, the side portion of the detection frame 2 far away from the detection water tank 1 is provided with a cylinder block 11, the lower end portion of the cylinder block 11 is provided with an air outlet end 18, the air outlet end 18 is connected to a sealing connection seat 20 disposed on the sealing seat 20 disposed on the upper end of the detection rod 4 through an air guide tube 19, the piston rod 9, the piston rod is provided with a piston rod 13 hinged to the piston rod of the piston rod support 13, and the piston rod support 13 is disposed on the piston rod support 13, the piston rod support 3, the piston rod support 13 is disposed inside the piston rod support 3, the piston rod support;
when the gas valve clamping device is used, a gas valve is arranged between the two clamping sealing discs 5, the clamping screw rod 6 rotates by screwing the operating hand wheel 8, the two clamping rods 4 are close to each other and clamp the gas valve by utilizing the spiral matching of the clamping screw rod 6 and the two sliding spiral seats 7, and the clamping sealing discs 5 can block the port of the gas valve; the piston rod 13 is driven to move downwards by the pushing device, the upper support 3 is driven to rotate downwards by the adjusting support rod 9, so that the gas valve is arranged in the detection water tank 1, the piston rod 13 presses the inside of the cylinder body 11 downwards through the piston plate while moving downwards, gas in the cylinder body is pressed into the gas valve through the gas guide pipe 19, and when the gas valve is arranged in water in the detection water tank 1, the tightness of the gas valve is detected through bubbles penetrating through the water, so that the gas valve is convenient to operate and convenient to disassemble;
the pushing mechanism comprises an adjusting vertical screw rod 10 rotatably mounted on the detection frame 2 and a push plate 14 fixed at the top of a piston rod 13, the side part of the push plate 14 is in up-and-down sliding fit with the rod wall of the detection frame 2, the top end of the adjusting vertical screw rod 10 is connected with an adjusting motor 12 positioned at the top of the detection frame 2, and the adjusting vertical screw rod 10 penetrates through the push plate 14 in a spiral mode; the adjusting motor 12 drives the adjusting vertical screw rod 10 to rotate, and the top push plate 14 is lifted and driven to lift and drive the piston rod 13 to lift by utilizing the spiral matching of the top push plate 14 and the adjusting vertical screw rod 10 and the sliding limitation of the side of the top push plate 14 and the side of the detection frame 2;
the outer wall of the bottom of the cylinder block 11 is also provided with an air inlet end 17, a one-way valve is arranged in the air inlet end 17, and the one-way valve can enable air flow to only enter the cylinder block 11 and prevent the air flow in the cylinder block 11 from being discharged from the air inlet end 17;
the side part of the push plate 14 is fixedly connected with a connecting slide 16, a guide slide rail 15 is arranged in the vertical direction of the rod wall of the detection frame 2, and the connecting slide 16 is slidably buckled on the guide slide rail 15 to play a role in guiding the push plate 14 to slide up and down;
the upper support 3 comprises a cross frame 21 and a plurality of support rods 22, the same end parts of the plurality of support rods 22 are fixed on the wall of the cross frame 21, the side part of the cross frame 21 is in damping rotation connection with the detection frame 2 through a rotating shaft, each support rod 22 is provided with a clamping mechanism and a sliding through groove 23 for limiting the transverse sliding of the clamping rod 4, and the plurality of support rods 22 are arranged to facilitate the simultaneous clamping and the simultaneous tightness inspection of a plurality of gas valves and improve the efficiency;
the clamping sealing disc 5 comprises a clamping screw rod 6 and a sealing piston 27 arranged on the end face of the clamping screw rod 6, clamping plates 26 are arranged at the bottom of the clamping rod 4, one clamping plate 26 is of a hollow structure and is communicated with the sealing connecting seat 20, and the other clamping plate 26 is of a solid structure; when the two clamping sealing discs 5 clamp the gas valve, the sealing piston 27 is inserted into the gas valve from the port of the gas valve to realize sealing, the opposite surfaces of the two clamping plates 26 are also provided with a sealing rubber ring 28 which is abutted against the edge of the port of the gas valve, and the sealing rubber ring 28 is arranged to further increase the sealing performance of the gas valve.
Example 2
The embodiment of the invention is different from the embodiment 1 in that: the detection water tank 1 is made of toughened glass, a camera 24 is further arranged on the outer wall of the detection water tank 1, and a display screen panel 25 used for displaying scenes shot by the camera 24 is arranged on the outer side of the camera 24; the arrangement of the camera 24 and the display screen plate 25 can detect the bubble generation condition when the gas valve airtightness in the water tank 1 is detected; thereby being convenient for the observation of the detection personnel.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (7)
1. A gas valve tightness detection device comprises a detection water tank (1) and a detection frame (2), wherein an upper bracket (3) positioned right above the detection water tank (1) is arranged at the top of the detection frame (2), a clamping mechanism for clamping a gas valve is arranged on the upper bracket (3), the gas valve tightness detection device is characterized in that the clamping mechanism comprises a clamping screw rod (6) and two clamping rods (4), the tops of the two clamping rods (4) penetrate through the upper bracket (3) and are fixedly provided with sliding spiral seats (7), the end part of the clamping screw rod (6) is arranged on the upper bracket (3) through a bearing seat, the spiral directions of the two ends of the clamping screw rod (6) are opposite and are respectively in spiral fit with the two sliding spiral seats (7), an operation hand wheel (8) is arranged at one end of the clamping screw rod (6), a clamping sealing disc (5) for clamping and sealing gas ports of the gas valve is arranged at the bottoms of the two clamping rods (4), the end part, close to the detection frame (2), of the upper bracket (3) is hinged with the side part of the detection frame (2), an air cylinder body (11) is provided with a sealing connecting seat (20), and a sealing end (18) is connected with the air guide tube (20), the cylinder block (11) is internally provided with a piston plate, a piston rod (13) is arranged on the piston plate, a pushing mechanism for driving the piston rod (13) to ascend and descend is arranged on the detection frame (2), the bottom of the upper support (3) is provided with an adjusting support rod (9) with the upper end hinged to the upper end of the adjusting support rod, and the other end of the adjusting support rod (9) is hinged to the top of the piston rod (13).
2. The tightness detection device of the gas valve according to claim 1, wherein the pushing mechanism comprises an adjusting vertical screw rod (10) rotatably mounted on the detection frame (2) and a top pushing plate (14) fixed on the top of the piston rod (13), the side portion of the top pushing plate (14) is in up-and-down sliding fit with the rod wall of the detection frame (2), the top end of the adjusting vertical screw rod (10) is connected with an adjusting motor (12) positioned on the top of the detection frame (2), and the adjusting vertical screw rod (10) spirally penetrates through the top pushing plate (14).
3. The tightness detection device for the gas valve according to claim 2, wherein an air inlet end (17) is further arranged on the outer wall of the bottom of the cylinder block (11), and a check valve is arranged inside the air inlet end (17).
4. The tightness detection device for the gas valve according to claim 2, wherein a connecting slide (16) is fixedly connected to a side portion of the pushing plate (14), a guide slide rail (15) is arranged in a vertical direction of a rod wall of the detection frame (2), and the connecting slide (16) is slidably buckled on the guide slide rail (15).
5. The gas valve tightness detection device according to claim 1, wherein the upper bracket (3) comprises a cross frame (21) and a plurality of support rods (22), the same end portions of the plurality of support rods (22) are fixed on the rod wall of the cross frame (21), the side portion of the cross frame (21) is in damped and rotatable connection with the detection frame (2) through a rotating shaft, and each support rod (22) is provided with a clamping mechanism and a sliding through groove (23) for limiting the transverse sliding of the clamping rod (4).
6. The tightness detection device for the gas valve according to claim 1, wherein the clamping sealing disc (5) comprises a clamping screw rod (6) and a blocking piston (27) arranged on the end surface of the clamping screw rod (6), the clamping plates (26) are arranged at the bottom of the clamping rod (4), one clamping plate (26) is of a hollow structure and is communicated with the sealing connecting seat (20), and the other clamping plate (26) is of a solid structure.
7. The gas valve tightness detection device according to any one of claims 1 to 6, wherein the detection tank (1) is made of tempered glass, a camera (24) is further arranged on the outer wall of the detection tank (1), and a display screen panel (25) for displaying the scene shot by the camera (24) is arranged outside the camera (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011315553.8A CN112461456B (en) | 2020-11-21 | 2020-11-21 | Gas valve leakproofness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011315553.8A CN112461456B (en) | 2020-11-21 | 2020-11-21 | Gas valve leakproofness detection device |
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| CN112461456A CN112461456A (en) | 2021-03-09 |
| CN112461456B true CN112461456B (en) | 2023-03-07 |
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| CN202011315553.8A Active CN112461456B (en) | 2020-11-21 | 2020-11-21 | Gas valve leakproofness detection device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984305B (en) * | 2021-12-29 | 2022-03-11 | 山东伯雷流体控制设备有限公司 | Valve sealing performance testing device |
| CN115307819A (en) * | 2022-10-10 | 2022-11-08 | 伙伴精密技术(江苏)有限公司 | Valve sealing performance test equipment |
| CN115435977B (en) * | 2022-11-08 | 2023-02-03 | 江苏鑫鼎元科技有限公司 | Plug valve pressure testing device |
| CN116329129B (en) * | 2023-04-14 | 2024-01-23 | 杭州金山仪表阀业有限公司 | Multifunctional valve detection device |
| CN116222894B (en) * | 2023-04-28 | 2023-08-01 | 河北沃德阀业有限公司 | Valve gas tightness water detection tool |
| CN117147078B (en) * | 2023-10-31 | 2024-01-26 | 良正阀门有限公司 | Gas gate valve detection device |
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| AUPQ809300A0 (en) * | 2000-06-09 | 2000-07-06 | Amcor Packaging (Australia) Pty Ltd | Method and apparatus for pressure testing sealed packages |
| CN206281621U (en) * | 2016-11-18 | 2017-06-27 | 中山市优梦自动化设备有限公司 | A kind of combustion gas valve detection device |
| CN108760174B (en) * | 2018-04-30 | 2020-05-26 | 重庆福瑞和人防防护设备检测有限公司 | Warm logical hard pipeline gas tightness detection device |
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|---|---|---|---|---|
| CN203443743U (en) * | 2013-08-05 | 2014-02-19 | 浙江福尔加机械有限公司 | Air brake valve sealing detection device |
| CN205157136U (en) * | 2015-12-10 | 2016-04-13 | 浙江万盾制冷配件有限公司 | Pipe joint air tightness detection device |
| CN210981684U (en) * | 2019-12-06 | 2020-07-10 | 江苏叶琦机械有限公司 | High strength gearbox body's gas tightness verifying attachment |
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Effective date of registration: 20230217 Address after: 518000 West 5th floor, building a, xinzhongqiao Industrial Park, Baolong Sixth Road, Baolong Industrial City, Baolong street, Longgang District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN BEILAI JIAER TECHNOLOGY CO.,LTD. Address before: 311800 No.50, Central Road, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Applicant before: ZHEJIANG JUYUN PIPE INDUSTRY CO.,LTD. |
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