CN216247193U - Large-flow safety valve test bed testing device for hydraulic support - Google Patents
Large-flow safety valve test bed testing device for hydraulic support Download PDFInfo
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- CN216247193U CN216247193U CN202122708097.XU CN202122708097U CN216247193U CN 216247193 U CN216247193 U CN 216247193U CN 202122708097 U CN202122708097 U CN 202122708097U CN 216247193 U CN216247193 U CN 216247193U
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Abstract
The utility model relates to a test device, in particular to a large-flow safety valve test bed test device for a hydraulic support, which comprises a test bed and a test device, the test bed is provided with a test device which comprises a pressure tester arranged on the test bed, a detection column is arranged on one side of the pressure tester, a through hole is arranged on the detection column, connectors matched with the through hole are arranged at the upper end and the lower end of the detection column, a linkage mechanism matched with the through hole is arranged in the detection column, the upper end of the connecting port is in threaded connection with an adapter, the outer wall of the adapter is provided with a stainless steel hoop, the liquid outlet through detecting adapter on the post and test bench is connected, makes the liquid pressure of test bench liquid outlet get into the inlet through adapter and through-hole and promotes the piston, thereby the piston drives two with the help of butt pressure tester to measure test bench liquid outlet pressure size.
Description
Technical Field
The utility model relates to test equipment, in particular to a large-flow safety valve test bed testing device for a hydraulic support.
Background
The large-flow safety valve is one of important elements of a large mining height hydraulic support. When the column liquid pressure exceeds the set pressure of the safety valve, the safety valve opens the overflow, thereby limiting the highest pressure in the column. Therefore, the static and dynamic performances of the safety valve are closely related to the support safety of the underground working surface of the coal mine, and China pursues the 3 rd part of a hydraulic support for a coal mine in the new national standard GB25974.3-2010 in 2010: a hydraulic control system and a valve are redesigned by a certain institute according to a new standard, and the test bench can complete related tests on the sealing performance, the small-flow opening and overflowing performance, the nominal-flow opening and overflowing performance and the impact safety performance of the safety valve. The performance of the test bed is directly related to the accuracy of test data, but the prior art cannot accurately detect whether the test bed data is accurate, so that the quality of the test bed is difficult to judge.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects that the performance of a test bed is directly related to the accuracy of test data, but the existing technology cannot accurately detect whether the test bed data is accurate, so that the quality of the test bed is difficult to judge, and the like.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the design is a large-flow safety valve test bed testing device for a hydraulic support, which comprises a test bed and a testing device, wherein the testing device is arranged on the test bed and comprises a pressure tester arranged on the test bed, a detection column is arranged on one side of the pressure tester, a through hole is formed in the detection column, a connector matched with the through hole is arranged at the upper end and the lower end of the detection column, a linkage mechanism matched with the through hole is arranged inside the detection column, the linkage mechanism is matched with the pressure tester, an adapter is connected to the upper end of the connector in a threaded mode, and a stainless steel hoop is arranged on the outer wall of the adapter.
Preferably, the link gear is including setting up the inlet in detecting the post, the one end that the through-hole was kept away from to the inlet is provided with the piston hole, the inside in piston hole is provided with the piston, the one end that the inlet was kept away from to the piston is provided with the spliced pole, the other end butt pressure tester of spliced pole.
Preferably, the lower end of the piston hole is provided with a liquid outlet, the lower end of the liquid outlet is provided with a connecting pipe, and the other end of the connecting pipe is communicated with the connecting port.
Preferably, one end of the piston hole, which is far away from the liquid inlet, is provided with a rubber pad, the diameter of the liquid inlet, which is close to one end of the through hole, is larger than that of the other end of the through hole, and the lower end of the detection column is provided with a connecting pipe matched with the connecting port.
The large-flow safety valve test bed testing device for the hydraulic support has the beneficial effects that: set up the detection post through one side at the pressure tester, be connected with the liquid outlet of test bench through the adapter that detects on the post, the liquid pressure that makes the test bench liquid outlet passes through adapter and through-hole entering inlet and promotes the piston, thereby the piston drives two and measures test bench liquid pressure size with the help of butt pressure tester, and set up the leakage fluid dram at the piston bore, thereby the liquid that remains in the piston intracavity after the experiment prevents corrosion apparatus from the leakage fluid dram along the connecting pipe discharge, its simple structure practicality is strong is fit for promoting.
Drawings
FIG. 1 is a schematic perspective view of a large-flow safety valve test bed testing device for a hydraulic support according to the present invention;
FIG. 2 is a schematic view of a connection port structure of a large-flow safety valve test bed testing device for a hydraulic support according to the present invention;
fig. 3 is a schematic sectional structure view of a large-flow safety valve test bed testing device for a hydraulic support according to the present invention.
In the figure: 1. a test bed; 2. a testing device; 3. a pressure tester; 4. a detection column; 5. a through hole; 6. a connecting port; 7. an adapter; 8. a stainless steel ferrule; 9. a liquid inlet; 10. a piston bore; 11. a piston; 12. connecting columns; 13. a liquid discharge port; 14. a connecting pipe; 15. a rubber pad; 16. a bearing pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a large-flow safety valve test bed testing device for a hydraulic support comprises a test bed 1 and a testing device 2, wherein the testing device 2 is arranged on the test bed 1, the testing device 2 comprises a pressure tester 3 placed on the test bed 1, one side of the pressure tester 3 is provided with a detection column 4, the detection column 4 is provided with a through hole 5, the upper end and the lower end of the detection column 4 are respectively provided with a connecting port 6 matched with the through hole 5, the interior of the detection column 4 is provided with a linkage mechanism matched with the through hole 5, the linkage mechanism is matched with the pressure tester 3, the upper end of the connecting port 6 is in threaded connection with an adapter 7, the outer wall of the adapter 7 is provided with a stainless steel hoop 8, the liquid outlet of the test bed 1 is connected through the adapter 7 so as to test the liquid outlet pressure, the adapter 7 can be replaced to adapt to liquid outlets with different diameters, the liquid outlet triggers the linkage mechanism from the through hole and transmits data to the pressure tester 3 for pressure detection, and compared with the display data of the test bed 1, the accuracy of the test bed is convenient to detect.
Linkage is including setting up the inlet 9 in detecting post 4, and the one end that through-hole 5 was kept away from to inlet 9 is provided with piston hole 10, and the inside of piston hole 10 is provided with piston 11, and the one end that inlet 9 was kept away from to piston 11 is provided with spliced pole 12, and the other end butt pressure tester 3 of spliced pole 12, liquid get into from inlet 9 and promote piston 11 rearward movement, drive spliced pole 12 butt pressure tester 3 test liquid pressure.
The lower end of the piston hole 10 is provided with a liquid outlet 13, the lower end of the liquid outlet 13 is provided with a connecting pipe 14, and the other end of the connecting pipe 14 is communicated with the connecting port 6, so that residual liquid in the piston hole 10 can be conveniently discharged to avoid corroding equipment.
The end of the piston hole 10 far away from the liquid inlet 9 is provided with a rubber pad 15, the diameter of the end of the liquid inlet 9 close to the through hole 5 is larger than that of the other end, the lower end of the detection column 4 is provided with a bearing pipe 16 matched with the connecting port 6, so that residual liquid in the liquid inlet 9 can be discharged conveniently to avoid corroding equipment.
According to the utility model, when the test bed is used, the adapter 7 is connected with the liquid outlet of the test bed 1 so as to test the liquid outlet pressure, the adapter 7 can be replaced to adapt to liquid outlets with different diameters, liquid enters from the liquid inlet 9 to push the piston 11 to move backwards, and the connecting column 12 is driven to abut against the pressure tester 3 to test the liquid pressure.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (4)
1. A large-flow safety valve test bed testing device for a hydraulic support comprises a test bed (1) and a testing device (2), it is characterized in that a testing device (2) is arranged on the test bed (1), the testing device (2) comprises a pressure tester (3) placed on the test bed (1), a detection column (4) is arranged on one side of the pressure tester (3), a through hole (5) is arranged on the detection column (4), the upper end and the lower end of the detection column (4) are respectively provided with a connecting port (6) matched with the through hole (5), a linkage mechanism matched with the through hole (5) is arranged in the detection column (4), the linkage mechanism is matched with the pressure tester (3), the upper end of the connecting port (6) is in threaded connection with an adapter (7), and the outer wall of the adapter (7) is provided with a stainless steel hoop (8).
2. The large-flow safety valve test bed testing device for the hydraulic support is characterized in that the linkage mechanism comprises a liquid inlet (9) arranged in the detection column (4), a piston hole (10) is arranged at one end, away from the through hole (5), of the liquid inlet (9), a piston (11) is arranged inside the piston hole (10), a connecting column (12) is arranged at one end, away from the liquid inlet (9), of the piston (11), and the other end of the connecting column (12) abuts against the pressure tester (3).
3. The large-flow safety valve test bed testing device for the hydraulic support is characterized in that a liquid discharge port (13) is formed in the lower end of the piston hole (10), a connecting pipe (14) is formed in the lower end of the liquid discharge port (13), and the other end of the connecting pipe (14) is communicated with the connecting port (6).
4. The large-flow safety valve test bed testing device for the hydraulic support is characterized in that one end, far away from the liquid inlet (9), of the piston hole (10) is provided with a rubber pad (15), the diameter of one end, close to the through hole (5), of the liquid inlet (9) is larger than that of the other end of the liquid inlet, and the lower end of the detection column (4) is provided with a bearing pipe (16) matched with the connecting port (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122708097.XU CN216247193U (en) | 2021-11-08 | 2021-11-08 | Large-flow safety valve test bed testing device for hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122708097.XU CN216247193U (en) | 2021-11-08 | 2021-11-08 | Large-flow safety valve test bed testing device for hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216247193U true CN216247193U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122708097.XU Active CN216247193U (en) | 2021-11-08 | 2021-11-08 | Large-flow safety valve test bed testing device for hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216247193U (en) |
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2021
- 2021-11-08 CN CN202122708097.XU patent/CN216247193U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230801 Address after: 516000, 1st floor, Building 3, Huizhou Industrial Park, Xiangshuihe Zhonghai Technology, Daya Bay West District, Huizhou City, Guangdong Province Patentee after: Huizhou Xinhuayuan Precision Hardware Products Co.,Ltd. Address before: 516000 No. 66, Zhongxing North Road, Aotou, Daya Bay, Huizhou City, Guangdong Province (plant 1) Patentee before: Exxon industries (Huizhou) Co.,Ltd. |
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| TR01 | Transfer of patent right |