CN216132690U - High-pressure safety valve test device - Google Patents
High-pressure safety valve test device Download PDFInfo
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- CN216132690U CN216132690U CN202121458972.7U CN202121458972U CN216132690U CN 216132690 U CN216132690 U CN 216132690U CN 202121458972 U CN202121458972 U CN 202121458972U CN 216132690 U CN216132690 U CN 216132690U
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Abstract
The utility model discloses a high-pressure safety valve test device, which comprises a test box and a pressure test module, wherein a low-temperature chamber is arranged in the test box, a refrigerator is arranged at the bottom of the low-temperature chamber, a test bed matched with the test box is arranged above the test box and is connected with the test box through a lifting piece, a clamping and fixing piece is arranged at the lower end of the test bed, a test valve is placed in the clamping and fixing piece, a mounting ring seat is detachably connected with the test valve and corresponds to the low-temperature chamber, and the pressure test module is arranged at the upper end of the test bed and is connected with the test valve in the clamping and fixing piece; this test device includes that test bench and proof box two parts constitute, and the test valve is installed at the test bench lower extreme, and the test bench settles the test valve through rising and falling and carry out the low temperature test in the proof box, and the suitability is wide range, and test environment under the airtight state in addition can improve the accuracy and the security that the relief valve detected, has good protecting effect.
Description
Technical Field
The utility model relates to the technical field of valve detection, in particular to a high-pressure safety valve testing device.
Background
During the production of valves, pressure tests are required, whereas for valves where no media flow is specified, such as ball valves, plug valves, butterfly valves, etc., it is necessary to introduce or apply pressure along each end. Notice is CN212482891U discloses a valve test equipment, and it includes the bottom plate, bottom plate upper end fixedly connected with riser, bottom plate upper end fixedly connected with second riser, and the board upper end is equipped with the first fixed establishment of the vertical direction of fixed valve, and first fixed establishment is including setting up two diaphragms in the bottom plate upper end, two equal fixedly connected with dead levers of lateral wall that the diaphragm is relative are located the upper end two the first sealed dish of the common fixedly connected with of dead lever lower extreme, it is located the lower extreme two the common fixedly connected with second sealed dish in dead lever upper end. However, when the testing device is used for testing, the testing valve is often exposed outdoors, the testing range is limited, in addition, because the pressurizing equipment needs to continuously apply pressure to the valve, when a dangerous accident occurs, the safety of workers is difficult to ensure by the testing device, and the protection effect is not good. In this regard, improvements are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-pressure safety valve test device to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a high-pressure safety valve test device comprises a test box and a pressure test module, wherein a low-temperature chamber is arranged in the test box, a refrigerator is arranged at the bottom of the low-temperature chamber, a test bed matched with the test box is arranged above the test box, and the test bed is connected with the test box through a lifting piece;
the lower end of the test bed is provided with a clamping and fixing piece, a test valve is arranged in the clamping and fixing piece, and the mounting ring seat is detachably connected with the test valve and corresponds to the low-temperature chamber;
the pressure testing module is arranged at the upper end of the test bed, connected with the testing valve in the clamping and fixing piece and used for conducting pressure testing on the testing valve, and an observation window is arranged at the upper end of the test bed and located outside the pressure testing module.
Preferably, the clamping fixing piece comprises a mounting ring seat arranged on the lower end face of the fixing plate, an upper clamping block and a lower clamping block are arranged in the mounting ring seat, the upper clamping block is arranged in the mounting ring seat and fixedly connected with the mounting ring seat, the lower clamping block is arranged in the mounting ring seat and movably matched with the mounting ring seat, a screwing bolt is arranged at the bottom end of the mounting ring seat in a penetrating manner, and the output end of the screwing bolt penetrates through the mounting ring seat and is rotatably connected with the lower end face of the lower clamping block.
Preferably, the lifting piece comprises four pneumatic telescopic rods, the four pneumatic telescopic rods are arranged at four corners between the test bed and the test box, the upper ends of the pneumatic telescopic rods are fixedly connected with the lower end face of the test bed, the lower ends of the pneumatic telescopic rods penetrate through the test box and are connected with the output end of an air pump piece arranged at the bottom of the test box, and the pneumatic telescopic rods are movably matched with the test box.
Preferably, a limiting ring is sleeved at the joint of the upper end of the pneumatic telescopic rod and the test bed, and the limiting ring is fixed on the lower end face of the test bed and matched with an annular groove formed in the upper end of the test box.
Preferably, the pressure test module is including installing baffle-box, force (forcing) pump and the relief valve in the test bench upper end, and the force (forcing) pump output passes through pipeline and baffle-box intercommunication, and the baffle-box output is connected with first pipe fitting, first pipe fitting and test valve inlet end intercommunication, and the test valve end of giving vent to anger is connected with the second pipe fitting, and the second pipe fitting passes test bench and relief valve intercommunication.
Preferably, the lower end surface of the test bed is provided with a first sealing strip, the first sealing strip is matched with a second sealing strip arranged at the upper end of the test box, and the first sealing strip and the second sealing strip are both frame bodies and encircle the ports of the test bed and the test box.
Preferably, the lower end of the test box is provided with a plurality of support columns, the top ends of the support columns are fixedly connected with the lower end face of the test box, the bottom ends of the support columns are provided with rubber base plates, and the diameters of the rubber base plates are larger than the diameters of the support columns.
Compared with the prior art, the utility model has the beneficial effects that: this test device includes that test bench and proof box two parts constitute, and the test valve is installed at the test bench lower extreme, and the test bench settles the test valve through rising and falling and carry out the low temperature test in the proof box, and the suitability is wide range, and test environment under the airtight state in addition can improve the accuracy and the security that the relief valve detected, has good protecting effect.
Drawings
Fig. 1 is a schematic structural diagram of a high-pressure safety valve testing device.
Fig. 2 is a schematic structural diagram of a pneumatic telescopic rod in a high-pressure safety valve testing device.
Fig. 3 is a schematic structural diagram of a lower clamping block in a high-pressure safety valve testing device.
In the figure: 1. an observation window; 2. a test bed; 3. a pneumatic telescopic rod; 4. a test chamber; 5. a support pillar; 6. a limiting ring; 7. a low temperature chamber; 8. a refrigerator; 9. an air pump member; 10. installing a ring seat; 11. a first pipe member; 12. a second pipe member; 13. a buffer tank; 14. a pressure relief valve; 15. a lower clamping block; 16. screwing the bolt; 17. an upper clamping block; 18. a booster pump.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-3, in the embodiment of the present invention, a high pressure safety valve testing apparatus includes a testing box 4 and a pressure testing module, a low temperature chamber 7 is disposed in the testing box 4, a refrigerator 8 is mounted at the bottom of the low temperature chamber 7, a testing table 2 matched with the testing box 4 is disposed above the testing box 4, and the testing table 2 is connected with the testing box 4 through a lifting member; the lower end of the test bed 2 is provided with a clamping fixing piece, a test valve is arranged in the clamping fixing piece, and the mounting ring seat 10 is detachably connected with the test valve and corresponds to the low-temperature chamber 7.
The pressure testing module is arranged at the upper end of the test bed 2, is connected with the testing valve in the clamping and fixing piece and is used for carrying out pressure testing on the testing valve, and an observation window 1 is arranged at the upper end of the test bed 2, which is positioned outside the pressure testing module; the test valve is installed at the lower end of the test bed 2 through the clamping fixing piece, the pressure test module is installed at the upper end of the test bed 2, and during testing, the test bed 2 is matched with the lifting piece, so that the test valve is arranged in the low-temperature chamber 7 to perform pressure test in a low-temperature state.
The clamping fixing piece comprises a mounting ring seat 10 arranged on the lower end face of the fixing plate, an upper clamping block 17 and a lower clamping block 15 are arranged in the mounting ring seat 10, the upper clamping block 17 is arranged on the upper end wall in the mounting ring seat 10 and is fixedly connected with the mounting ring seat 10, the lower clamping block 15 is arranged on the lower end wall in the mounting ring seat 10 and is movably matched with the mounting ring seat 10, a screwing bolt 16 penetrates through the bottom end of the mounting ring seat 10, and the output end of the screwing bolt 16 penetrates through the mounting ring seat 10 and is rotatably connected with the lower end face of the lower clamping block 15; the test valve is placed in the mounting ring seat 10, openings are reserved at two ends of the mounting ring seat 10 and used for being connected into an air inlet and outlet pipeline, the screwing bolt 16 is controlled to rotate during fixing, the screwing bolt 16 is continuously screwed into the mounting ring seat 10 to drive the lower clamping block 15 to ascend, a groove surface is arranged on one side, close to the upper clamping block 17, of the lower clamping block 15, the test valve can be limited in clamping, the stability of the test valve is better, the screwing bolt 16 is screwed in a fixed mode, and the test valve is easy to disassemble and install by a user.
The lifting piece comprises four pneumatic telescopic rods 3, the four pneumatic telescopic rods 3 are arranged at four corners between the test bed 2 and the test box 4, the upper ends of the pneumatic telescopic rods 3 are fixedly connected with the lower end face of the test bed 2, the lower ends of the pneumatic telescopic rods 3 penetrate through the test box 4 and are connected with the output end of an air pump piece 9 arranged at the bottom of the test box 4, and the pneumatic telescopic rods 3 are movably matched with the test box 4; a limiting ring 6 is sleeved at the joint of the upper end of the pneumatic telescopic rod 3 and the test bed 2, and the limiting ring 6 is fixed on the lower end face of the test bed 2 and matched with an annular groove formed in the upper end of the test box 4; air pump spare 9 provides power to four pneumatic telescopic rod 3, when pneumatic telescopic rod 3 started, it rises to drive test bench 2, assembles test valve and each pipeline, and pneumatic telescopic rod 3 starts and drives 2 whereabouts of test bench, makes test bench 2 and proof box 4 cooperate, and spacing ring 6 of 3 upper ends of pneumatic telescopic rod can block into the ring channel that 4 upper ends of proof box were seted up simultaneously, makes proof box 4 more stable with the cooperation of test bench 2.
The pressure testing module comprises a buffer tank 13, a pressure pump 18 and a pressure release valve 14 which are installed at the upper end of the test bed 2, the output end of the pressure pump 18 is communicated with the buffer tank 13 through a pipeline, the output end of the buffer tank 13 is connected with a first pipe fitting 11, the first pipe fitting 11 is communicated with the air inlet end of a testing valve, the air outlet end of the testing valve is connected with a second pipe fitting 12, and the second pipe fitting 12 penetrates through the test bed 2 and is communicated with the pressure release valve 14;
a first sealing strip is arranged on the lower end face of the test bed 2 and matched with a second sealing strip arranged at the upper end of the test box 4, and the first sealing strip and the second sealing strip are frame bodies and surround the ports of the test bed 2 and the test box 4; first sealing strip and second sealing strip are magnetic rubber strip, and test bench 2 is when falling the back and 4 contacts of proof box, and first sealing strip cooperates with the second sealing strip, when playing the bradyseism effect, can guarantee that the energy can not run off in the low temperature chamber 7.
The lower end of the test box 4 is provided with a plurality of support columns 5, the top end of each support column 5 is fixedly connected with the lower end face of the test box 4, the bottom end of each support column 5 is provided with a rubber pad, and the diameter of the rubber pad is larger than that of each support column 5; support column 5 is used for supporting proof box 4, and the rubber tie plate then plays skid-proof effect, stability when improving proof box 4 and placing.
The working principle of the utility model is as follows: in the test valve placed collar extension 10, open access business turn over atmospheric pressure pipeline is left at collar extension 10 both ends, control when fixed revolves wrong bolt 16 and rotates, revolve wrong bolt 16 in continuous screw in collar extension 10, clamp splice 15 rises under the drive, fix the test valve, pneumatic telescopic link 3 starts and drives 2 whereabouts of test bench, make test bench 2 and proof box 4 cooperate, the test valve carries out the test of low temperature state down pressure in arranging low temperature chamber 7 in, the suitability is wide and wide, the experimental environment under the encapsulated situation in addition, can improve the accuracy and the security that the relief valve detected, good protecting effect has.
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 invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
Claims (7)
1. A high-pressure safety valve test device comprises a test box (4) and a pressure test module, and is characterized in that a low-temperature chamber (7) is arranged in the test box (4), a refrigerator (8) is installed at the bottom of the low-temperature chamber (7), a test bed (2) matched with the test box (4) is arranged above the test box (4), and the test bed (2) is connected with the test box (4) through a lifting piece;
the lower end of the test bed (2) is provided with a clamping fixing piece, a test valve is placed in the clamping fixing piece, and the mounting ring seat (10) is detachably connected with the test valve and corresponds to the low-temperature chamber (7);
the pressure test module is arranged at the upper end of the test bench (2) and connected with the test valve in the clamping and fixing piece, and is used for carrying out pressure test on the test valve, and an observation window (1) is arranged outside the pressure test module at the upper end of the test bench (2).
2. The high-pressure safety valve test device according to claim 1, wherein the clamping fixture comprises a mounting ring seat (10) arranged on the lower end surface of the fixing plate, an upper clamping block (17) and a lower clamping block (15) are arranged in the mounting ring seat (10), the upper clamping block (17) is arranged on the upper end wall in the mounting ring seat (10) and is fixedly connected with the mounting ring seat (10), the lower clamping block (15) is arranged on the lower end wall in the mounting ring seat (10) and is movably matched with the mounting ring seat (10), a screwing bolt (16) is arranged at the bottom end of the mounting ring seat (10), and the output end of the screwing bolt (16) penetrates through the mounting ring seat (10) and is rotatably connected with the lower end surface of the lower clamping block (15).
3. The high-pressure safety valve test device according to claim 1, wherein the lifting member comprises four pneumatic telescopic rods (3), the four pneumatic telescopic rods (3) are arranged at four corners between the test bed (2) and the test box (4), the upper ends of the pneumatic telescopic rods (3) are fixedly connected with the lower end surface of the test bed (2), the lower ends of the pneumatic telescopic rods (3) are arranged in the test box (4) in a penetrating manner and connected with the output end of an air pump member (9) arranged at the bottom of the test box (4), and the pneumatic telescopic rods (3) are movably matched with the test box (4).
4. The high-pressure safety valve test device according to claim 3, characterized in that a limiting ring (6) is sleeved at the joint of the upper end of the pneumatic telescopic rod (3) and the test bed (2), and the limiting ring (6) is fixed on the lower end face of the test bed (2) and is matched with an annular groove formed in the upper end of the test box (4).
5. The high-pressure safety valve testing device according to claim 1, wherein the pressure testing module comprises a buffer tank (13), a pressure pump (18) and a pressure relief valve (14), the buffer tank (13) is mounted at the upper end of the test bed (2), the output end of the pressure pump (18) is communicated with the buffer tank (13) through a pipeline, the output end of the buffer tank (13) is connected with a first pipe (11), the first pipe (11) is communicated with the air inlet end of the test valve, the air outlet end of the test valve is connected with a second pipe (12), and the second pipe (12) passes through the test bed (2) and is communicated with the pressure relief valve (14).
6. The high-pressure safety valve test device according to claim 1, wherein a first sealing strip is arranged on the lower end surface of the test bed (2), the first sealing strip is matched with a second sealing strip arranged on the upper end of the test box (4), and the first sealing strip and the second sealing strip are frame bodies and surround the ports of the test bed (2) and the test box (4).
7. The high-pressure safety valve test device according to claim 1, wherein a plurality of support columns (5) are arranged at the lower end of the test box (4), the top end of each support column (5) is fixedly connected with the lower end face of the test box (4), and a rubber gasket plate is arranged at the bottom end of each support column (5), and the diameter of the rubber gasket plate is larger than that of each support column (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121458972.7U CN216132690U (en) | 2021-06-29 | 2021-06-29 | High-pressure safety valve test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121458972.7U CN216132690U (en) | 2021-06-29 | 2021-06-29 | High-pressure safety valve test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216132690U true CN216132690U (en) | 2022-03-25 |
Family
ID=80766993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121458972.7U Active CN216132690U (en) | 2021-06-29 | 2021-06-29 | High-pressure safety valve test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216132690U (en) |
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2021
- 2021-06-29 CN CN202121458972.7U patent/CN216132690U/en active Active
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