CN213336773U - Check valve performance test equipment - Google Patents
Check valve performance test equipment Download PDFInfo
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- CN213336773U CN213336773U CN202022640492.4U CN202022640492U CN213336773U CN 213336773 U CN213336773 U CN 213336773U CN 202022640492 U CN202022640492 U CN 202022640492U CN 213336773 U CN213336773 U CN 213336773U
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- check valve
- station
- precision pressure
- performance test
- awaits measuring
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Abstract
The utility model relates to the technical field of mechanical equipment performance detection, in particular to a check valve performance test device, which comprises a case made of metal materials, wherein the upper part of the case is provided with three stations for installing a check valve to be tested, the three stations are sequentially set as a first station, a second station and a third station, three precision pressure gauges are sequentially arranged behind the three stations and are set as a first precision pressure gauge, a second precision pressure gauge and a third precision pressure gauge, each station is provided with an installation component of the check valve to be tested, this installation component includes the check valve mount pad that awaits measuring, positioner and closing device, and each check valve that awaits measuring all is connected to the wind regime through intake pipe assembly, and intake pipe assembly still is connected to corresponding accurate manometer through the air duct, the utility model discloses rational in infrastructure, the check valve performance test equipment that convenient operation just can operate on same experimental facilities, promote work efficiency.
Description
Technical Field
The utility model belongs to the technical field of mechanical equipment performance detection technique and specifically relates to a check valve performance test equipment.
Background
The check valve is an important element in a pneumatic system or a hydraulic system, and is used for preventing gas in a starting system or liquid in the hydraulic system from flowing reversely, and the reliability of the check valve directly influences the reliability and safety of the pneumatic system or the hydraulic system, so that the reliability of the check valve needs to be tested.
During locomotive repair, the check valve needs to be subjected to reliability testing, the testing content relates to check valve airtightness testing, non-return sealing testing and opening pressure testing, the original repair is an independent testing device during the testing, the field arrangement is disordered, the testing installation is fixed and inconvenient, the continuous operation is poor, and the working efficiency is not high.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a check valve performance test equipment integrates into a test equipment with it, has simplified each connection test part promptly and with station rational arrangement, the site management is clean and tidy, experimental installation, maintenance convenience can carry out the station test alone, also can carry out the experiment of each station simultaneously, has improved the operability, has also promoted work efficiency.
The utility model discloses a specific technical scheme as follows:
the utility model provides a check valve performance test equipment, include the quick-witted case of being made by metal material, the upper portion of machine case is provided with three station and is used for installing the check valve that awaits measuring and sets gradually for first station, second station and third station, three station rear has set gradually three precision pressure table and sets gradually first precision pressure table, second precision pressure table and third precision pressure table, every station all has the installation component of a check valve that awaits measuring, this installation component includes the check valve mount pad that awaits measuring, positioner and closing device, each check valve that awaits measuring all is connected to the wind regime through intake pipe subassembly, intake pipe subassembly still is connected to corresponding precision pressure table through the air duct.
The utility model discloses a further improvement, first precision pressure table, second precision pressure table and third precision pressure table all install on quick-witted case through manometer erection column subassembly and fixed subassembly.
The utility model discloses a further improvement still is provided with the governing valve that is used for controlling wind-force size on connecting the air inlet pipe subassembly of wind regime and check valve that awaits measuring.
The utility model discloses a further improvement is provided with buffer board and the cushion pad that is used for playing the cushioning effect in the middle of the station that is used for installing the check valve that awaits measuring and the quick-witted roof portion.
The utility model discloses a further improvement, the wind regime passes through the installing support to be fixed on the bottom plate of the inside of quick-witted case.
The utility model has the advantages that: the utility model discloses rational in infrastructure, convenient operation just can operate, promote work efficiency's check valve performance test equipment on same experimental facilities.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a cross-sectional view of part AA of fig. 1.
In the figure, 1-a first precision pressure gauge, 2-a second precision pressure gauge, 3-a third precision pressure gauge, 4-a buffer pad, 5-a buffer plate, 6-a case, 7-a one-way valve mounting seat, 8-a positioning device, 9-a pressing device, 10-a pressure gauge mounting column component, 11-a fixing component, 12-an air duct, 13-an air inlet pipe component, 14-a mounting bracket, 15-an air source and 16-a regulating valve.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and embodiments, which are only used for explaining the present invention and are not limited to the protection scope of the present invention.
Example (b): as shown in figures 1, 2 and 3, the one-way valve performance test equipment comprises a case 6 made of metal materials, wherein the upper part of the case 6 is provided with three stations for installing a one-way valve to be tested, which are sequentially set as a first station, a second station and a third station, three precision pressure gauges, which are sequentially set as a first precision pressure gauge 1, a second precision pressure gauge 2 and a third precision pressure gauge 3, are sequentially arranged behind the three stations, the first precision pressure gauge 1, the second precision pressure gauge 2 and the third precision pressure gauge 3 are all installed on the case 6 through a pressure gauge installation column assembly 10 and a fixing assembly 11, each station is provided with an installation assembly of the one-way valve to be tested, the installation assembly comprises a one-way valve installation seat 7 to be tested, a positioning device 8 and a pressing device 9, each one-way valve to be tested is connected to an air source 15 through an air inlet pipe assembly 13, the air source 15 is fixed on a bottom plate in the case, an adjusting valve 16 for controlling the wind power is further arranged on the air inlet pipe assembly 13 for connecting the wind source 15 and the check valve to be tested, and the air inlet pipe assembly 13 is further connected to a corresponding precise pressure gauge through an air guide pipe 12.
In this embodiment, a buffer plate 5 and a buffer pad 4 for buffering are arranged between the station for installing the check valve to be tested and the top of the case 6.
The specific working principle of this embodiment is as follows: the first precise low-pressure gauge is used for a first station starting pressure test, the air supply pressure is less than 20KPa, the air outlet of the gland is exhausted, and the judgment is qualified; the second precision pressure gauge 2 is used for a second station check sealing test, the air supply pressure is 500KPa, the corresponding one-way valve to be tested is closed, the pressure is maintained for 3 minutes, and the numerical value of the pressure gauge is qualified between 495KPa and 500 KPa; a third precision pressure gauge 3 is used for a third station air tightness test, the air supply pressure is 1000Kpa, the corresponding one-way valve to be tested is closed, the pressure is maintained for 5 minutes, and the numerical value of the pressure gauge is qualified between 995KPa and 1000 KPa; the case 6 has beautiful appearance and convenient maintenance.
The general air source pressure is 1100KPa, firstly, the air filter is used for filtering air entering an air source 15 of an experiment to ensure that the air for the experiment is dry, then, the air pressure is controlled to be 1000KPa through the high-pressure reducing valve to meet the experiment requirement of a third station, and the regulating valve 16 is used for controlling the opening and closing of the one-way valve to be tested of the second station and the third station to carry out the experiment; when a second station test is carried out, the check valves to be tested of the third station and the first station are closed, the air source passes through the filter and the high-pressure reducing valve and then passes through the reducing valve, the air pressure is controlled at 500KPa, and the second station ball valve is opened for testing after the second station test requirement is met; and similarly, when the first station experiment is carried out, the ball valves of the third station and the second station are closed, the air source passes through the filter and the high-pressure reducing valve and then passes through the reducing valve, finally, the air pressure is controlled at 30KPa through the reducing valve, the to-be-tested one-way valve of the first station is opened to carry out the experiment after the requirement of the first station experiment is met, and each ball valve is closed after the experiment is finished.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a check valve performance test equipment, a serial communication port, include the quick-witted case of being made by metal material, the upper portion of machine case is provided with three station and is used for installing the check valve that awaits measuring and sets gradually for first station, second station and third station, three station rear has set gradually three precision pressure table and sets gradually first precision pressure table, second precision pressure table and third precision pressure table, every station all has the installation component of a check valve that awaits measuring, this installation component includes check valve mount pad, positioner and closing device that awaits measuring, each check valve that awaits measuring all is connected to the wind regime through intake pipe assembly, intake pipe assembly still is connected to corresponding precision pressure table through the air duct.
2. The check valve performance testing device of claim 1, wherein the first, second, and third precision pressure gauges are mounted on the case by a gauge mounting post assembly and a fixing assembly.
3. The check valve performance test equipment of claim 2, wherein the air inlet pipe assembly connecting the air source and the check valve to be tested is further provided with a regulating valve for controlling the wind power.
4. The check valve performance test equipment of claim 3, wherein a buffer plate and a buffer pad for buffering are arranged between the station for installing the check valve to be tested and the top of the case.
5. The check valve performance testing apparatus of any of claims 1-4, wherein the wind source is secured to a floor inside the enclosure by a mounting bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022640492.4U CN213336773U (en) | 2020-11-16 | 2020-11-16 | Check valve performance test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022640492.4U CN213336773U (en) | 2020-11-16 | 2020-11-16 | Check valve performance test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213336773U true CN213336773U (en) | 2021-06-01 |
Family
ID=76078488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022640492.4U Active CN213336773U (en) | 2020-11-16 | 2020-11-16 | Check valve performance test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213336773U (en) |
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2020
- 2020-11-16 CN CN202022640492.4U patent/CN213336773U/en active Active
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