CN206248316U - A kind of check valve reliability-test equipment - Google Patents
A kind of check valve reliability-test equipment Download PDFInfo
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- CN206248316U CN206248316U CN201621299987.2U CN201621299987U CN206248316U CN 206248316 U CN206248316 U CN 206248316U CN 201621299987 U CN201621299987 U CN 201621299987U CN 206248316 U CN206248316 U CN 206248316U
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- valve
- check valve
- test
- control
- pipeline
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Abstract
The utility model provides a kind of check valve reliability-test equipment, including control module, source of the gas, the admission line connected with the source of the gas and the test cell being arranged on the admission line, the test cell includes the test pipeline being connected in parallel on the admission line and the first control valve being sequentially connected in series on the test pipeline, tested check valve erecting device and the second control valve, first row air valve is provided with pipeline between the first control valve and the tested check valve erecting device, second row air valve is provided with pipeline between the second control valve and the tested check valve erecting device, the first control valve, the second control valve, the first row air valve and the second row air valve are connected with control module communication respectively.By setting control valve and air bleeding valve, and communication be connected with control module by it, using control module instead of being accomplished manually pressurising and exhaust process to check valve, laboratory technician's indefatigability and operating efficiency is of a relatively high.
Description
Technical field
The utility model is related to a kind of testing equipment, particularly a kind of check valve reliability-test equipment.
Background technology
Check valve is the critical elements in pneumatic system or hydraulic system, for preventing gas or hydraulic pressure in activation system
Liquid reverse flow in system, its unfailing performance directly influences the reliability and security of pneumatic system or hydraulic system,
Therefore need to test the reliability of check valve.
Traditional check valve functional reliability experiment be carried out on air tightness test-bed, it is necessary to laboratory technician manually to
Check valve forward and reverse alternation pressurising and exhaust are realized, and carrying out side check valve reliability test needs to carry out check valve
The Open-closure cyclic test of 100 times, and the frequency of forward and reverse switching is less than or equal to 30 times per minute, it is necessary to laboratory technician enters
Capable frequently pressurising and exhaust event, laboratory technician easily produces fatigue, and operating efficiency is relatively low.
In view of this, the applicant conducts in-depth research to check valve reliability-test equipment, has this case to produce then.
Utility model content
The purpose of this utility model is to provide a kind of laboratory technician's indefatigability and the of a relatively high check valve of operating efficiency
Reliability-test equipment.
To achieve these goals, the utility model is adopted the following technical scheme that：
A kind of check valve reliability-test equipment, including the admission line that is connected with the source of the gas of control module, source of the gas with
And the test cell on the admission line is arranged on, the test cell includes the testing tube being connected in parallel on the admission line
Road and the first control valve being sequentially connected in series on the test pipeline, tested check valve erecting device and the second control valve, institute
State and first row air valve is provided with the pipeline between the first control valve and the tested check valve erecting device, second control
It is provided with second row air valve on pipeline between valve and the tested check valve erecting device, the first control valve, described the
Two control valves, the first row air valve and the second row air valve are connected with control module communication respectively.
Used as a kind of improvement of the present utility model, the test cell has two or more.
As a kind of improvement of the present utility model, from the source of the gas on the pipeline between the test cell and the source of the gas
Air intake control valve, breather check valve and pressure sensor are disposed with to the direction of the test cell.
As a kind of improvement of the present utility model, the source of the gas, the air intake control valve and the pressure sensor difference
It is connected with control module communication.
Used as a kind of improvement of the present utility model, the control module has for showing the tested check valve experiment time
Several display boards.
Using above-mentioned technical proposal, the utility model has the advantages that：
1st, by setting control valve and air bleeding valve, and it is connected with control module communication, people is replaced using control module
Work completes pressurising to check valve and exhaust process, laboratory technician's indefatigability and operating efficiency is of a relatively high.
2nd, by the way that the test pipeline of test cell is in parallel with air inlet pipe so that multiple tests can be set in same air inlet pipe
Unit, further improves operating efficiency.
3rd, by setting breather check valve, it is ensured that the air flow direction stabilization in admission line.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model check valve reliability-test equipment, and one of them is only shown in figure
Communication connection between test cell and control module；
Fig. 2 is the test cell structural representation of the utility model check valve reliability-test equipment.
Correspondence is indicated in each figure as follows：
10- control modules；11- display boards；
20- sources of the gas；30- admission lines；
31- air intake control valves；32- breather check valves；
33- pressure sensors；40- test cells；
41- tests pipeline；42- first controls valve；
The tested check valve erecting devices of 43-；44- second controls valve；
45- first row air valves；46- second row air valves；
50- is tested check valve.
Specific embodiment
The utility model is described further with specific embodiment below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the check valve reliability-test equipment that the present embodiment is provided includes control module 10, source of the gas
20 admission lines 30 connected with source of the gas 20 and the test cell 40 being arranged on admission line 30, wherein control module 10
Display board 11 with the test number (TN) for showing tested check valve 50.Control module 10 is conventional control module, this kind of
Control module with display board directly commercially can be described in detail no longer herein；Source of the gas 20 is conventional air compressor,
Also directly commercially also can no longer describe in detail herein.
Test cell 40 can only have one, it is possibility to have two or more, and each test cell 40 includes being connected in parallel on air inlet
Test pipeline 41 on pipeline 30 and the first control valve 42 being sequentially connected in series on test pipeline 41, tested check valve install dress
Put 43 and second and control valve 44, wherein, it is for tested check valve 50 to be connected into testing tube to be tested check valve erecting device 43
Device on road 41, the device can be conventional device, as long as tested check valve 50 can be connected on test pipeline 41
.Additionally, first row air valve 45 is provided with pipeline between the first control valve 42 and tested check valve erecting device 43, the
Second row air valve 46 is provided with pipeline between two control valves 44 and tested check valve erecting device 43, the first control valve 42,
Second control valve 44, first row air valve 45 and second row air valve 46 are connected with the communication of control module 10 respectively.
In an initial condition, the second control valve 44 and first row air valve 45 are in opening, the second control valve 42 and the
Two air bleeding valves 46 are closed；Tested check valve 50 is arranged in tested check valve erecting device 43, the quilt after installation
Surveying the path direction of check valve 50 needs to predefine, it is assumed that the path direction of the tested check valve 50 after installation is from the second control
Valve processed 42 flows to the direction of the second control valve 44 along test pipeline 41, then after opening source of the gas 20, gas passes through admission line 30
Into test pipeline 41, through the second control tested check valve 50 of the flow direction of valve 44 in test pipeline 41, and in tested check valve 50
Position at be cut off；Then second is closed successively and controls valve 44 and first row air valve 45, then open second row air valve successively
46 and second control valve 42, so can first empty the gas on the pipeline between the second control valve 44 and tested check valve 50, then
Insufflation gas in toward test pipeline 41, gas flows to tested check valve 50 after entering test pipeline 41 through the second control valve 42, most
Discharged from second row air valve 46 eventually；Then close second successively again and control valve 42 and second row air valve 46, the is then opened successively
One air bleeding valve 45 and the second control valve 44, are circulated 100 times with this.
It should be noted that the opening and closing of above-mentioned each control valve and air bleeding valve are controlled by control module 10,
The frequency of the forward and reverse switching of tested check valve is 20 times/min, i.e., switch once per 3s.
Additionally, in the present embodiment, from source of the gas 20 to test cell 40 on the pipeline between test cell 40 and source of the gas 20
Direction be disposed with air intake control valve 31, breather check valve 32 and pressure sensor 33, source of the gas 20, the and of air intake control valve 31
Pressure sensor 33 is connected with the communication of control module 10 respectively.Certainly, can also be at the two ends of test pipeline 41 when necessary
It is respectively provided with pressure sensor.
The utility model is described in detail above in conjunction with accompanying drawing, but implementation method of the present utility model and not only
It is limited to above-mentioned implementation method, those skilled in the art can make various modifications to the utility model, such as exist according to prior art
Increase parts such as pressure gauge etc. on the basis of above-mentioned test cell 40, these belong to protection domain of the present utility model.
Claims (5)
1. a kind of check valve reliability-test equipment, it is characterised in that connected with the source of the gas including control module, source of the gas
Admission line and the test cell being arranged on the admission line, the test cell include being connected in parallel on the admission line
On test pipeline and the first control valve, tested check valve erecting device and second that are sequentially connected in series on the test pipeline
Control valve, first row air valve, institute are provided with the pipeline between the first control valve and the tested check valve erecting device
State and second row air valve is provided with the pipeline between the second control valve and the tested check valve erecting device, first control
Valve, the second control valve, the first row air valve and the second row air valve are connected with control module communication respectively.
2. check valve reliability-test equipment as claimed in claim 1, it is characterised in that the test cell have two with
On.
3. check valve reliability-test equipment as claimed in claim 1, it is characterised in that the test cell and the source of the gas
Between pipeline on be disposed with air intake control valve, breather check valve and pressure from the source of the gas to the direction of the test cell
Force snesor.
4. check valve reliability-test equipment as claimed in claim 3, it is characterised in that the source of the gas, air inlet control
Valve and the pressure sensor are connected with control module communication respectively.
5. the check valve reliability-test equipment as described in any claim in claim 1-4, it is characterised in that the control
Molding block has the display board for showing tested check valve test number (TN).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621299987.2U CN206248316U (en) | 2016-11-30 | 2016-11-30 | A kind of check valve reliability-test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621299987.2U CN206248316U (en) | 2016-11-30 | 2016-11-30 | A kind of check valve reliability-test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206248316U true CN206248316U (en) | 2017-06-13 |
Family
ID=59001473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621299987.2U Active CN206248316U (en) | 2016-11-30 | 2016-11-30 | A kind of check valve reliability-test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206248316U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630589A (en) * | 2019-10-15 | 2019-12-31 | 宁波海宏液压有限公司 | Automatic test system and method for hydraulic check valve |
-
2016
- 2016-11-30 CN CN201621299987.2U patent/CN206248316U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630589A (en) * | 2019-10-15 | 2019-12-31 | 宁波海宏液压有限公司 | Automatic test system and method for hydraulic check valve |
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