CN213121028U - Unloading valve air tightness detection system - Google Patents
Unloading valve air tightness detection system Download PDFInfo
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- CN213121028U CN213121028U CN202022586361.2U CN202022586361U CN213121028U CN 213121028 U CN213121028 U CN 213121028U CN 202022586361 U CN202022586361 U CN 202022586361U CN 213121028 U CN213121028 U CN 213121028U
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- valve
- way reversing
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- reversing valve
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Abstract
The utility model discloses an air tightness detection system of an unloading valve, which comprises a workbench, wherein a product fixing seat is arranged on the workbench, a cylinder is arranged beside the product fixing seat, and the tail end of the cylinder is connected with a first pressure regulating valve through a two-position three-way electromagnetic valve; the head of the cylinder is connected with a first two-position three-way reversing valve, and the first two-position three-way reversing valve is connected with a second pressure regulating valve through a two-position two-way electromagnetic valve; the interface of the product fixing seat is connected with the first two-position three-way reversing valve; the product fixing seat is connected with the first two-position three-way reversing valve through a three-way joint and a second two-position three-way reversing valve, the head of the air cylinder is connected with the first two-position three-way reversing valve through a three-way joint and the second two-position three-way reversing valve is connected with the air flow meter. The scheme adopts a gas detection mode to detect the gas tightness of the unloading valve, and the detection process is efficient and clean.
Description
Technical Field
This scheme relates to off-load valve detection technology field, concretely relates to off-load valve gas tightness detecting system.
Background
The unloading valve is a valve capable of unloading the hydraulic pump under a certain condition. At present, the performance detection of most unloading valves is realized by oil detection. Oil detection requires requirements on oil cleanliness, oil temperature and flow, and detection oil needs to be filtered, cleaned or replaced regularly; the flow rate of the oil pump needs to be identified; the thermometer is calibrated. The oil detection effect is poor due to various reasons, and the leakage amount of the oil detection is not quantitative. Therefore, in the process of detecting the performance of the unloading valve, the existing oil detection technology has low detection efficiency and a detection mode is more complicated.
SUMMERY OF THE UTILITY MODEL
The aforesaid is not enough to prior art, the utility model provides a high-efficient, convenient off-load valve gas tightness detecting system.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:
the air tightness detection system of the unloading valve comprises a workbench, wherein a product fixing seat is arranged on the workbench, an air cylinder is arranged beside the product fixing seat, and the tail end of the air cylinder is connected with a first pressure regulating valve through a two-position three-way electromagnetic valve; the head of the cylinder is connected with a first two-position three-way reversing valve, and the first two-position three-way reversing valve is connected with a second pressure regulating valve through a two-position two-way electromagnetic valve; the interface of the product fixing seat is connected with the first two-position three-way reversing valve; the product fixing seat is connected with the first two-position three-way reversing valve through a three-way joint and a second two-position three-way reversing valve, the head of the air cylinder is connected with the first two-position three-way reversing valve through a three-way joint and the second two-position three-way reversing valve is connected with the air flow meter.
The utility model has the advantages that: the scheme adopts a gas detection mode to detect the gas tightness of the unloading valve, and the detection process is efficient and clean. The unloading valve is fixed on a product fixing seat, the cylinder is aligned to one end of the unloading valve, the first pressure regulating valve is used for communicating an air source, and the cylinder stretches forwards to push the head to block the unloading valve tightly; the second pressure regulating valve is communicated with an air source, the pressure is regulated to the sealing pressure required to be measured by the unloading valve, the unloading valve is ventilated, the phenomenon of air leakage of the flowmeter is observed, and the air tightness detection of the unloading valve is realized.
Drawings
FIG. 1 is a schematic diagram of an unloader valve airtightness detection system.
The device comprises a first pressure regulating valve 1, a second pressure regulating valve 2, a first two-position three-way reversing valve 3, a second two-position three-way reversing valve 4, an air flow meter 5, a workbench 6, a first pressure regulating valve 7, a two-position three-way electromagnetic valve 8, a cylinder 9, a pressure gauge 10, a head 11, a supporting seat 12, an unloading valve 13 and a product fixing seat.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.
As shown in fig. 1, the unloading valve airtightness detection system includes a workbench 5, a product fixing seat 13 is disposed on the workbench 5, a cylinder 8 is disposed beside the product fixing seat 13, and a tail end of the cylinder 8 is connected to a first pressure regulating valve 6 through a two-position three-way electromagnetic valve 7; the head 10 of the air cylinder 8 is connected with a first two-position three-way reversing valve 2, and the first two-position three-way reversing valve 2 is connected with a second pressure regulating valve 1 through a two-position two-way electromagnetic valve; the interface of the product fixing seat 13 is connected with the first two-position three-way reversing valve 2; the product fixing seat 13 is connected with the first two-position three-way reversing valve 2 through a three-way joint and the second two-position three-way reversing valve 3, the head 10 of the air cylinder 8 is connected with the first two-position three-way reversing valve 2 through a three-way joint and the second two-position three-way reversing valve 3, and the second two-position three-way reversing valve 3 is connected with the air flow meter 4.
The scheme adopts a gas detection mode to detect the gas tightness of the unloading valve 12, and the detection process is efficient and tidy. An unloading valve 12 is fixed on a product fixing seat 13, a cylinder 8 aligns to one end of the unloading valve 12, a first pressure regulating valve 6 is used for communicating an air source, and the cylinder 8 stretches forwards to push a head 10 to block the unloading valve 12; the second pressure regulating valve 1 is communicated with an air source, the pressure is regulated to the sealing pressure required to be measured by the unloading valve 12, the unloading valve 12 is ventilated, the existence of air leakage of the flowmeter 4 is observed, and the air tightness detection of the unloading valve 12 is realized.
The scheme can also switch the passage through the first two-position three-way reversing valve 2 and the second two-position three-way reversing valve 3, at the moment, the right passage of the second two-position three-way reversing valve 3 is opened, the left passage is closed, and the first two-position three-way reversing valve 2 cuts off the passage to the product fixing seat 13, so that the air tightness of the system is verified, the interference of the air tightness of other elements in the system on the test result is avoided, and the accuracy of the test result is ensured.
The cylinder 8 is fixed on the workbench 5 through a cylinder fixing seat, the center of the head 10 of the cylinder 8 and the supporting seat 11 are positioned on the same straight line, and the supporting seat 11 is arranged between the product fixing seat 13 and the cylinder 8. The supporting seat 11 is used for supporting the unloading valve 12, ensuring that the unloading valve 12 is tightly connected with the product fixing seat 13, and ensuring the stability of the air cylinder 8 by the air cylinder fixing seat.
All be provided with manometer 9 on cylinder 8's the head 10 and the product fixing base 13, manometer 9 is used for detecting other in cylinder 8 and the product fixing base 13, when carrying out the gas tightness and detecting, provides the atmospheric pressure and consults, ensures to detect the accuracy.
Claims (4)
1. The unloading valve air tightness detection system is characterized by comprising a workbench (5), wherein a product fixing seat (13) is arranged on the workbench (5), an air cylinder (8) is arranged beside the product fixing seat (13), and the tail end of the air cylinder (8) is connected with a first pressure regulating valve (6) through a two-position three-way electromagnetic valve (7); the head (10) of the air cylinder (8) is connected with a first two-position three-way reversing valve (2), and the first two-position three-way reversing valve (2) is connected with a second pressure regulating valve (1) through a two-position two-way electromagnetic valve; the interface of the product fixing seat (13) is connected with the first two-position three-way reversing valve (2); the product fixing seat (13) is connected with the first two-position three-way reversing valve (2) through a three-way joint and the second two-position three-way reversing valve (3), the head (10) of the air cylinder (8) is connected with the first two-position three-way reversing valve (2) through a three-way joint and the second two-position three-way reversing valve (3), and the second two-position three-way reversing valve (3) is connected with the air flow meter (4).
2. An unloading valve airtightness detection system according to claim 1, wherein the cylinder (8) is fixed to the table (5) through a cylinder fixing seat, and the cylinder (8) and the support seat (11) are located on the same straight line.
3. An unloading valve airtightness detection system according to claim 1, wherein a pressure gauge (9) is provided on each of the head (10) of the cylinder (8) and the product fixing seat (13).
4. An unloading valve airtightness detection system according to claim 1, wherein a support seat (11) is provided between the product fixing seat (13) and the cylinder (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022586361.2U CN213121028U (en) | 2020-11-10 | 2020-11-10 | Unloading valve air tightness detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022586361.2U CN213121028U (en) | 2020-11-10 | 2020-11-10 | Unloading valve air tightness detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213121028U true CN213121028U (en) | 2021-05-04 |
Family
ID=75668064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022586361.2U Active CN213121028U (en) | 2020-11-10 | 2020-11-10 | Unloading valve air tightness detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213121028U (en) |
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2020
- 2020-11-10 CN CN202022586361.2U patent/CN213121028U/en active Active
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