CN111272415B - Testing device for valve - Google Patents
Testing device for valve Download PDFInfo
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- CN111272415B CN111272415B CN202010237198.0A CN202010237198A CN111272415B CN 111272415 B CN111272415 B CN 111272415B CN 202010237198 A CN202010237198 A CN 202010237198A CN 111272415 B CN111272415 B CN 111272415B
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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
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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Abstract
The invention discloses a testing device for a valve, which comprises a first air supply pipe, wherein one end of the first air supply pipe is provided with a first connecting pipe, the other end of the first connecting pipe is provided with a first testing pipe, the first connecting pipe is connected with the first testing pipe through a rotating mechanism, the first testing pipe is provided with a plurality of first testing joints, the first testing joints are provided with first stop valves, the other end of the first air supply pipe is provided with a second air supply pipe, the second air supply pipe is connected with the first air supply pipe through a sliding mechanism, one side opposite to the first air supply pipe is provided with a first exhaust pipe, one end of the first exhaust pipe is provided with a second connecting pipe, the other end of the second connecting pipe is provided with a second testing pipe, the second connecting pipe is connected with the second testing pipe through the rotating mechanism, the second testing pipe is provided with a plurality of second testing joints, the second testing joints are provided with second stop valves, and the valve is arranged between the first testing joints and the second testing joints, the problem of test different valve that connect the aperture need many air supply pipes, blast pipes is solved.
Description
Technical Field
The invention relates to a device, in particular to a testing device for a valve.
Background
Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to the function, the valve can be divided into a shut-off valve, a check valve, a regulating valve and the like, wherein the valve is a control part in a fluid conveying system and has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems.
Need test the performance of valve after valve production is accomplished, whether detect the valve and accord with the standard of using, current valve testing arrangement through a test room of installation, a plurality of test joints of installation test room in test room test different valves, and a plurality of test joints correspond many air supply pipe, blast pipe of installation, cause installation test room to occupy a large amount of spaces, and many air supply pipe, blast pipe cause the different valve of test to need to change different positions.
Disclosure of Invention
The invention aims to solve the technical problems that the existing valve testing device tests different valves by installing a testing room, a plurality of testing joints are installed in the testing room, a plurality of air supply pipes and air exhaust pipes are correspondingly installed on the plurality of testing joints, so that the installation of the testing room occupies a large amount of space, and the plurality of air supply pipes and air exhaust pipes cause that different valves to be tested need to be replaced at different positions.
The invention is realized by the following technical scheme:
a testing device for a valve is characterized by comprising a first air supply pipe, wherein one end of the first air supply pipe is provided with a first connecting pipe, the other end of the first connecting pipe is provided with a first testing pipe, the first connecting pipe is connected with the first testing pipe through a rotating mechanism, the other end of the first testing pipe is provided with a first sealing cover, the first sealing cover is provided with a pressure release valve, the first testing pipe is provided with a plurality of first testing joints, the first testing joints at least comprise joints with three apertures, the first testing joints are provided with first stop valves, the other end of the first air supply pipe is provided with a second air supply pipe, the second air supply pipe is connected with the first air supply pipe through a sliding mechanism, the other end of the second air supply pipe is provided with a main air supply pipe, a first exhaust pipe is arranged on one side opposite to the first air supply pipe, one end of the first exhaust pipe is provided with a second connecting pipe, and the other end of the second connecting pipe is provided with a second testing pipe, the second connecting pipe is connected with the second testing pipe through a rotating mechanism, the other end of the second testing pipe is provided with a second sealing cover, the second testing pipe is provided with a plurality of second testing joints, the second testing joints at least comprise joints with three apertures, the second testing joints are provided with second stop valves, and a valve is arranged between the first testing joints and the second testing joints.
The working principle of the invention is as follows: determining the aperture of the air inlet and the air outlet of the valve to be tested, screening a first test joint and a second test joint which are connected with the valve in a matching way, firstly rotating the first test joint to a horizontal position through a rotating mechanism to enable the first test joint to be parallel to the axis of a first air supply pipe and enable the air inlet of the valve to be connected with the matched first test joint, then driving a second air supply pipe to slide on the first air supply pipe through a sliding mechanism according to the length of the test valve to a position suitable for the valve to be tested, then rotating the second test joint to the horizontal position through the rotating mechanism to enable the second test joint to be parallel to the axis of a first exhaust pipe and enable the air outlet of the valve to be connected with the matched second test joint, adjusting the sliding mechanism again according to the length of the valve during the connection process to enable the air inlet of the valve to be connected and fixed with the matched first test joint, the gas outlet of the valve is fixedly connected with the matched second test joint, the gas inlet of one end of the valve is communicated through the first test joint on the first test pipe, and then the second test joint on the second test pipe is communicated with the gas outlet of the other end of the valve, after the valve is installed, the first test joint and the second test joint which are left on the first test pipe and the second test pipe are closed through the first stop valve and the second stop valve, so that the natural gas is prevented from overflowing from the remaining first test joint and the second test joint when the valve is tested, when the pressure in the first test pipe is too high in the test process, the excessive natural gas in the first test pipe is discharged through the pressure release valve, the natural gas enters through the second gas supply pipe and then enters the valve through the first gas supply pipe for testing, the tested natural gas is discharged through the first gas exhaust pipe, and the natural gas is discharged through the plurality of first test joints, The second test connector is convenient for the valves of different connectors to test, so that the valves with different apertures are prevented from being tested by different air supply pipes and air outlet pipes, and meanwhile, the valves with the same apertures are convenient to test, but the valves with different lengths from the air inlet to the air outlet of the valve are convenient to test the valves with different lengths through the sliding mechanism.
Furthermore, the rotating mechanism comprises a rotating disc, a first sealing structure and a first locking structure, the rotating disc is arranged between the joints of the first test pipe, the second test pipe and the first connecting pipe and the second connecting pipe, the first sealing structure is arranged at the joint of the first test pipe, the second test pipe and the first connecting pipe and the second connecting pipe, the first locking structure is arranged outside the first test pipe and the second test pipe, the rotating disc is convenient to rotate the first test joint and the second test joint of the valve matched with the test to positions which are flush with the air inlet and the air outlet of the valve, so that the valve is suitable for testing the air inlet and the air outlet of different apertures, the first sealing structure is convenient to realize the sealing between the first test pipe and the first connecting pipe and between the second test pipe and the second connecting pipe, and the situation that natural gas flows from the first test pipe and the first connecting pipe, the second test pipe and the second connecting pipe when the valve is tested is avoided, The junction between second test tube and the second connecting pipe is revealed, through first locking structure with first test connector, second test connector rotate with the air inlet of valve, the position department of gas outlet parallel and level after, through the position of the fixed first test connector of locking structure, second test connector, avoid first test connector, second test connector to rotate, cause and can not be connected with air inlet, the gas outlet of valve.
Furthermore, the sliding mechanism comprises a sliding disc, a second sealing structure and a second locking structure, the sliding disc is arranged between the joint of the first air supply pipe and the second air supply pipe, the second sealing structure is arranged in the joint of the second air supply pipe and the first air supply pipe, the second locking structure is arranged outside the second air supply pipe, the sliding disc is used for facilitating the sliding of the first testing joint on the first testing pipe to the position where the air inlet and the air outlet of the valve are connected, so that the valves with different lengths and different apertures of the air inlet and the air outlet can be tested conveniently, after the first testing joint on the first testing pipe is slid to the position where the air inlet and the air outlet of the valve are connected, the joint of the first air supply pipe and the second air supply pipe after sliding is fixed through the second locking structure, the first testing pipe at the other end of the first air supply pipe is prevented from being driven to slide continuously, and the testing valve is connected with the air inlet, the air outlet, The position of gas outlet is inaccurate, causes the test of the valve of being not convenient for, and the second seal structure seals in the second air feed pipe with first air supply pipe junction, drives the first test connection slip that sets up on the first test pipe when slip first air supply pipe, slides to suitable position department, through second locking structure locking back, realizes sealedly through the second is sealed, avoids the natural gas to reveal with first air supply pipe junction from in the second air feed pipe.
Further, the first sealing structure and the second sealing structure comprise sealing rubber, a fixing ring and a locking ring, the fixing ring is connected with the first connecting pipe and the second connecting pipe, the sealing rubber is arranged above the fixing ring, the locking ring is arranged above the sealing rubber, the fixing ring is fixedly connected with the first connecting pipe and the second connecting pipe to provide a fixed position for the sealed sealing rubber, through set up sealing rubber in solid fixed ring top, sealing rubber realizes first connecting pipe, second connecting pipe and first test tube, the sealed between the second test tube, avoid the natural gas to reveal from the junction between first connecting pipe and the first test tube, the junction between second connecting pipe and the second test tube, the locking ring cooperation solid fixed ring that sealing rubber top set up realizes fixed sealing rubber, causes the removal of sealing rubber position when avoiding slewing mechanism to rotate.
Furthermore, the first locking structure and the second locking structure comprise connecting nails and locking buckles, the locking buckles are located on the first testing pipe, the second testing pipe and two sides of the second air supply pipe, the locking buckles are connected with the first testing pipe, the second testing pipe and the second air supply pipe through the connecting nails, after the first testing joint, the second testing joint and the air inlet of the valve and the position of the air outlet are aligned through the rotating mechanism, the first testing pipe, the first connecting pipe and the second connecting pipe are locked through the locking buckles, the first testing joint and the second testing joint are prevented from rotating, when the first testing joint on the first testing pipe at the other end of the first air supply pipe is adjusted through the sliding mechanism, the second air supply pipe and the first air supply pipe are locked through the locking buckles.
Furthermore, be equipped with the manometer on the first air supply pipe, the ball valve, the thermometer, the flowmeter, whether pressure in the first air supply pipe is normal when being convenient for detect valve test through setting up the manometer on the first air supply pipe, be convenient for open the natural gas of carrying first air supply pipe from the second air supply pipe through the ball valve that sets up, be convenient for cut through the ball valve when not needing to continue to carry, be convenient for detect the temperature variation in the first air supply pipe through the thermometer, carry the volume of natural gas when being convenient for simulate valve test through the flowmeter.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention relates to a testing device for a valve, which is provided with a plurality of first testing joints and second testing joints, wherein the first testing joints and the second testing joints are rotated through a rotating mechanism, so that the valves with different apertures can be conveniently connected, and the valves with different apertures can be conveniently tested;
2. according to the testing device for the valve, the sliding mechanism is arranged to drive the second air supply pipe to slide on the first air supply pipe, so that the valves with the same aperture can be conveniently tested, but the lengths from the air inlet to the air outlet of the valve are different, and the sliding mechanism is used for conveniently testing the valves with different lengths;
3. according to the testing device for the valve, the locking and sealing between the first testing pipe and the first connecting pipe and between the second testing pipe and the second connecting pipe are realized through the first locking structure and the first sealing structure; the second locking structure and the second sealing structure realize locking and sealing between the first air supply pipe and the second air supply pipe.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the structure of the present invention.
Reference numbers and corresponding part names in the drawings:
1-a first air supply pipe, 2-a first connecting pipe, 3-a first testing pipe, 4-a first sealing cover, 5-a pressure release valve, 6-a first testing joint, 7-a first stop valve, 8-a second air supply pipe, 9-a first exhaust pipe, 10-a second connecting pipe, 11-a second testing pipe, 12-a second sealing cover, 13-a second testing joint, 14-a second stop valve, 15-a rotating disc, 16-a sliding disc, 17-sealing rubber, 18-a fixing ring, 19-a locking ring, 20-a connecting nail and 21-a locking buckle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1, the testing device for the valve of the present invention comprises a first air supply pipe 1, a first connecting pipe 2 is arranged at one end of the first air supply pipe 1, a first testing pipe 3 is arranged at the other end of the first connecting pipe 2, the first connecting pipe 2 is connected with the first testing pipe 3 through a rotating mechanism, a first sealing cover 4 is arranged at the other end of the first testing pipe 3, a pressure relief valve 5 is arranged on the first sealing cover 4, a plurality of first testing joints 6 are arranged on the first testing pipe 3, the first testing joints 6 at least comprise joints with three apertures, a first stop valve 7 is arranged on the first testing joint 6, a second air supply pipe 8 is arranged at the other end of the first air supply pipe 1, the second air supply pipe 8 is connected with the first air supply pipe 1 through a sliding mechanism, a main air supply pipe is arranged at the other end of the second air supply pipe 8, a first exhaust pipe 9 is arranged at one side opposite to the first air supply pipe 1, a second connecting pipe 10 is arranged at one end of the first exhaust pipe 9, the other end of the second connecting pipe 10 is provided with a second testing pipe 11, the second connecting pipe 10 is connected with the second testing pipe 11 through a rotating mechanism, the other end of the second testing pipe 11 is provided with a second sealing cover 12, the second testing pipe 11 is provided with a plurality of second testing joints 13, the second testing joints 13 at least comprise joints with three apertures, the second testing joints 13 are provided with second stop valves 14, and valves are arranged between the first testing joints 6 and the second testing joints 13.
The specific implementation mode of the invention is as follows: determining the aperture of the air inlet and the air outlet of the valve to be tested, screening a first test joint and a second test joint which are connected with the valve in a matching way, firstly rotating the first test joint to a horizontal position through a rotating mechanism to enable the first test joint to be parallel to the axis of a first air supply pipe and enable the air inlet of the valve to be connected with the matched first test joint, then driving a second air supply pipe to slide on the first air supply pipe through a sliding mechanism according to the length of the test valve to a position suitable for the valve to be tested, then rotating the second test joint to the horizontal position through the rotating mechanism to enable the second test joint to be parallel to the axis of a first exhaust pipe and enable the air outlet of the valve to be connected with the matched second test joint, adjusting the sliding mechanism again according to the length of the valve during the connection process to enable the air inlet of the valve to be connected and fixed with the matched first test joint, the gas outlet of the valve is fixedly connected with the matched second test joint, the gas inlet of one end of the valve is communicated through the first test joint on the first test pipe, and then the second test joint on the second test pipe is communicated with the gas outlet of the other end of the valve, after the valve is installed, the first test joint and the second test joint which are left on the first test pipe and the second test pipe are closed through the first stop valve and the second stop valve, so that the natural gas is prevented from overflowing from the remaining first test joint and the second test joint when the valve is tested, when the pressure in the first test pipe is too high in the test process, the excessive natural gas in the first test pipe is discharged through the pressure release valve, the natural gas enters through the second gas supply pipe and then enters the valve through the first gas supply pipe for testing, the tested natural gas is discharged through the first gas exhaust pipe, and the natural gas is discharged through the plurality of first test joints, The second test connector is convenient for the valves of different connectors to test, so that the valves with different apertures are prevented from being tested by different air supply pipes and air outlet pipes, and meanwhile, the valves with the same apertures are convenient to test, but the valves with different lengths from the air inlet to the air outlet of the valve are convenient to test the valves with different lengths through the sliding mechanism.
Example 2
Based on embodiment 1, as shown in fig. 1, the testing device for the valve of the present invention comprises a rotating mechanism, a rotating disc 15, a first sealing structure and a first locking structure, wherein the rotating disc 15 is arranged between the joints of the first connecting pipe 2 and the first testing pipe 3, and the joints of the second connecting pipe 10 and the second testing pipe 11, the first sealing structure is arranged between the interiors of the first testing pipe 3 and the second testing pipe 11 and the first connecting pipe 2, the second connecting pipe 10 junction, first locking structure sets up in first test tube 3, the outside of second test tube 11, and slide mechanism includes slip dish 16, second seal structure, second locking structure, and slip dish 16 sets up between first air supply pipe 1 and second air supply pipe 8 junction, and the second seal structure sets up in the inside and first air supply pipe 1 junction of second air supply pipe 8, and second locking structure is located the outside of second air supply pipe 8.
The specific implementation mode of the invention is as follows: the first test connector and the second test connector of the valve which are matched and tested are convenient to rotate to positions flush with the air inlet and the air outlet of the valve through the rotating disc, so that the valve is convenient to be suitable for testing the air inlet and the air outlet of the valve with different apertures, the sealing between the first test pipe and the first connecting pipe and the sealing between the second test pipe and the second connecting pipe are convenient to realize through the first sealing structure, the leakage of natural gas from the joints between the first test pipe and the first connecting pipe and between the second test pipe and the second connecting pipe during the testing of the valve is avoided, after the first test connector and the second test connector are rotated to positions flush with the air inlet and the air outlet of the valve through the first locking structure, the positions of the first test connector and the second test connector are fixed through the locking structure, the rotation of the first test connector and the second test connector is avoided, and the problem that the valve cannot be flush with the air inlet and the air outlet of the valve is caused, The air outlets are connected.
The sliding disc is convenient for sliding the first test joint on the first test pipe to the position of the air inlet and the air outlet of the valve connecting valve, thereby being convenient for testing the valves with different lengths and different apertures of the air inlet and the air outlet, after the first test joint on the first test pipe is slid to the position of the air inlet and the air outlet of the valve connecting, the sliding first air supply pipe is fixed with the connecting part of the second air supply pipe through the second locking structure, thereby avoiding driving the first test pipe at the other end of the first air supply pipe to continue sliding, thereby causing the position of the test valve connecting the air inlet and the air outlet to be inaccurate, causing inconvenient testing of the valve, the second sealing structure seals the connecting part of the second air supply pipe and the first air supply pipe, when the first air supply pipe is slid, the first test joint arranged on the first test pipe is driven to slide to the proper position, and after the second locking structure is locked, realize sealedly through the second is sealed, avoid the natural gas to reveal with first air supply pipe junction in the second air supply pipe.
Example 3
Based on the above embodiment, as shown in fig. 1, the first sealing structure and the second sealing structure of the testing device for the valve of the present invention include a sealing rubber 17, a fixing ring 18, and a locking ring 19, the fixing ring 18 is connected to the first connecting pipe 2 and the second connecting pipe 10, the sealing rubber 17 is disposed above the fixing ring 18, the locking ring 19 is disposed above the sealing rubber 17, the first locking structure and the second locking structure include a connecting nail 20 and a locking buckle 21, the locking buckle 21 is located at two sides of the first testing pipe 3, the second testing pipe 11, and the second air supply pipe 8, the locking buckle 21 is connected to the first testing pipe 3, the second testing pipe 11, and the second air supply pipe 8 through the connecting nail 20, and the first air supply pipe is provided with a pressure gauge, a ball valve, a thermometer, and a flow meter.
The specific implementation mode of the invention is as follows: the sealing ring is arranged above the fixing ring, the sealing rubber realizes the sealing between the first connecting pipe and the second connecting pipe and the first test pipe and the second test pipe, the natural gas is prevented from leaking from the joint between the first connecting pipe and the first test pipe and the joint between the second connecting pipe and the second test pipe, the locking ring arranged above the sealing rubber is matched with the fixing ring to realize the fixation of the sealing rubber, the movement of the position of the sealing rubber caused by the rotation of the rotating mechanism is avoided, the locking buckle is connected with the first test pipe, the second test pipe and the second air supply pipe through the connecting nail, and when the first test joint and the second test joint are connected with the air inlet of the valve through the rotating mechanism, After the position of gas outlet aligns, detain first test pipe and first connecting pipe of locking through the locking, second test pipe and second connecting pipe, avoid first test joint, the second test joint rotates, first test joint on the first test pipe of the first air supply pipe other end has been adjusted through slide mechanism, detain locking second air supply pipe and first air supply pipe through the locking, whether pressure in the first air supply pipe is normal when being convenient for detect the valve test through setting up the manometer on the first air supply pipe, be convenient for open the natural gas of carrying first air supply pipe from the second air supply pipe through the ball valve that sets up, be convenient for cut through the ball valve when not needing to continue to carry, be convenient for detect the temperature variation in the first air supply pipe through the thermometer, the volume of carrying the natural gas when being convenient for simulate the valve test through the flowmeter.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A testing device for a valve is characterized by comprising a first air supply pipe (1), wherein one end of the first air supply pipe (1) is provided with a first connecting pipe (2), the other end of the first connecting pipe (2) is provided with a first testing pipe (3), the first connecting pipe (2) is connected with the first testing pipe (3) through a rotating mechanism, the other end of the first testing pipe (3) is provided with a first sealing cover (4), the first sealing cover (4) is provided with a pressure release valve (5), the first testing pipe (3) is provided with a plurality of first testing joints (6), the first testing joints (6) at least comprise joints with three apertures, the first testing joint (6) is provided with a first stop valve (7), the other end of the first air supply pipe (1) is provided with a second air supply pipe (8), the second air supply pipe (8) is connected with the first air supply pipe (1) through a sliding mechanism, the other end of the second air supply pipe (8) is provided with a main air supply pipe, a first exhaust pipe (9) is arranged on one side of the first air supply pipe (1) just opposite to the first air supply pipe, one end of the first exhaust pipe (9) is provided with a second connecting pipe (10), the other end of the second connecting pipe (10) is provided with a second testing pipe (11), the second connecting pipe (10) is connected with the second testing pipe (11) through a rotating mechanism, the other end of the second testing pipe (11) is provided with a second sealing cover (12), the second testing pipe (11) is provided with a plurality of second testing joints (13), the second testing joints (13) at least comprise joints with three apertures, the second testing joints (13) are provided with second stop valves (14), a valve is arranged between the first testing joints (6) and the second testing joints (13), the rotating mechanism comprises a rotating disc (15), a first sealing structure and a first locking structure, the rotating disc (15) is arranged between the first connecting pipe (2) and the first testing pipe (3), Between second connecting pipe (10) and second test tube (11) junction, first seal structure sets up in first test tube (3), second test tube (11) inside and first connecting pipe (2), second connecting pipe (10) junction, and first locking structure sets up in first test tube (3), second test tube (11) outside.
2. The testing device for the valve according to claim 1, wherein the sliding mechanism comprises a sliding disk (16), a second sealing structure and a second locking structure, the sliding disk (16) is arranged between the connection of the first gas supply pipe (1) and the second gas supply pipe (8), the second sealing structure is arranged inside the second gas supply pipe (8) and the connection of the second gas supply pipe (8) and the first gas supply pipe (1), and the second locking structure is arranged outside the second gas supply pipe (8).
3. A testing device for a valve according to claim 2, wherein the first and second sealing structures comprise a sealing rubber (17), a fixing ring (18) and a locking ring (19), the fixing ring (18) is connected with the first and second connecting pipes (2, 10), the sealing rubber (17) is arranged above the fixing ring (18), and the locking ring (19) is arranged above the sealing rubber (17).
4. The testing device for the valve according to claim 2, wherein the first locking structure and the second locking structure comprise a connecting nail (20) and a locking buckle (21), the locking buckle (21) is located at two sides of the first testing tube (3), the second testing tube (11) and the second air supply tube (8), and the locking buckle (21) is connected with the first testing tube (3), the second testing tube (11) and the second air supply tube (8) through the connecting nail (20).
5. The apparatus of claim 1, wherein the first gas supply pipe is provided with a pressure gauge, a ball valve, a temperature gauge, and a flow meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010237198.0A CN111272415B (en) | 2020-03-30 | 2020-03-30 | Testing device for valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010237198.0A CN111272415B (en) | 2020-03-30 | 2020-03-30 | Testing device for valve |
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| CN111272415A CN111272415A (en) | 2020-06-12 |
| CN111272415B true CN111272415B (en) | 2021-11-16 |
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| CN204128727U (en) * | 2014-10-10 | 2015-01-28 | 方正阀门集团有限公司 | A kind of valve stem packing proving installation |
| CN204085823U (en) * | 2014-10-16 | 2015-01-07 | 九冶建设有限公司 | For the mold device of the synchronous pressure testing of multiple high pressure valve |
| CN104266834A (en) * | 2014-10-17 | 2015-01-07 | 北京航空航天大学 | Comprehensive detection platform for gas valves |
| CN105738219A (en) * | 2016-04-11 | 2016-07-06 | 中国化学工程第十一建设有限公司 | Pipeline pressure testing system and method |
| CN207263399U (en) * | 2017-06-01 | 2018-04-20 | 天津市晓晖环保机械有限公司 | A kind of multistation valve airtight detection apparatus |
| CN208653772U (en) * | 2018-08-07 | 2019-03-26 | 中建八局第四建设有限公司 | A kind of novel valve pressure testing tool |
| CN109297702A (en) * | 2018-11-30 | 2019-02-01 | 博纳斯威阀门股份有限公司 | A kind of detection device measuring valve air inflow |
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| CN111272415A (en) | 2020-06-12 |
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Denomination of invention: A test device for valve Effective date of registration: 20220507 Granted publication date: 20211116 Pledgee: Qianwei branch of Bank of China Ltd. Pledgor: SICHUAN JIANWEI ESHAN VALVE CO.,LTD. Registration number: Y2022510000121 |
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