CN205937310U - Conveniently test test system of servovalve performance - Google Patents
Conveniently test test system of servovalve performance Download PDFInfo
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- CN205937310U CN205937310U CN201620947360.7U CN201620947360U CN205937310U CN 205937310 U CN205937310 U CN 205937310U CN 201620947360 U CN201620947360 U CN 201620947360U CN 205937310 U CN205937310 U CN 205937310U
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- valve
- pressure
- pipeline
- detection pipeline
- test
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Abstract
The utility model relates to a conveniently test test system of servovalve performance, including the oil tank, into oil pipe is connected to the input of pump, and the output of pump connects gradually the input of first manometer, board -like ball valve through the pipeline, and the output of board -like ball valve passes through first relief pressure valve of pipe connection and first stop valve, and the one end of first measuring pipeline is connected to first relief pressure valve, is equipped with the second manometer on the first measuring pipeline, first stop valve supplies the oil pipe way through connecting gradually the second relief pressure valve and newly leading, newly leads to supply oil pipe to say to be equipped with the third manometer, the second detects the input that the valve that commutates is all connected to pipeline, third measuring pipeline and fourth measuring pipeline, and the second is equipped with first choke valve and fourth manometer on detecting the pipeline, and the third is equipped with a pressure sensor on detecting the pipeline, is equipped with the 2nd pressure sensor on the fourth measuring pipeline. The utility model provides a practicality of whole test system can be realized providing by the test system of servovalve to ensure the accuracy and the efficiency of software testing of test.
Description
Technical field
The utility model is related to a kind of hydraulic pressure maintenance unit, more particularly, to a kind of convenient test system testing servo valve performance
System.
Background technology
Generation current factory steam turbine speed control control system is fire resistant oil hydraulic system, the electro-hydraulic control in hydraulic actuating mechanism
Device processed is the proportional servo valve of MOOG or Vickers.Compare for the requirement to oily (particularly granularity) for the servo valve
High.The fault of servo valve frequently occurs, and the domestic at present system that can be used for testing servo valve is very few, lead to as
Fruit servo valve breaks down and can only return former company and reprocess detection, and the cycle is long, costly.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of convenient test system testing servo valve, and increase is watched
Take the accuracy of valve test, improve the efficiency of servo valve test.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of convenient test testing servo valve performance
System, including fuel tank, pump, the first detection pipeline, the second detection pipeline, the 3rd detection pipeline and the 4th detection pipeline, described pump
Input connect oil inlet pipe, the output end of described pump is sequentially connected the input of first pressure table, board-like ball valve by pipeline,
The output end of described board-like ball valve connects the input of the first pressure-reducing valve input and the first stop valve by pipeline, and described first
The output end of pressure-reducing valve connects one end of described first detection pipeline, and described first detection pipeline is provided with second pressure table, institute
The other end stating the first detection pipeline is used for connecting the P mouth of servo valve；The output end of described first stop valve is connected by pipeline
The input of the second pressure-reducing valve, the output end of described second pressure-reducing valve connects the one end newly leading oil supply pipe, described newly leads fuel feeding
The other end of pipeline is used for connecting the X mouth of servo valve, and described oil supply pipe of newly leading is provided with the 3rd pressure gauge；Described second detection
One end of pipeline is used for connecting the T mouth of servo valve, and one end of described 3rd detection pipeline is used for connecting the A mouth of servo valve, described
One end of 4th detection pipeline is used for connecting the B mouth of servo valve, the other end of described second detection pipeline, described 3rd detection pipe
The other end of the other end in road and described 4th detection pipeline is all connected with the input of reversal valve, and described second detection pipeline sets
There are first throttle valve and the 4th pressure gauge, described 3rd detection pipeline is provided with second throttle, first pressure sensor and the
Five pressure gauges, described 4th detection pipeline is provided with the 3rd choke valve, second pressure sensor and the 6th pressure gauge；Described commutation
The delivery outlet of valve passes through the input of pipeline connecting tee ball valve respectively, and an output end of described tee ball valve is by pipeline even
It is connected to fuel tank.
The beneficial effects of the utility model are：The test system of the servo valve that the utility model provides enables to servo valve
Carry out no load discharge characteristic test, pressure gain characteristics test and internal leakage test, the practicality of whole test system be provided,
And guarantee accuracy and the testing efficiency tested.
On the basis of technique scheme, the utility model can also do following improvement.
Further, it is provided with high pressure filter between described board-like ball valve and described first pressure-reducing valve.
Beneficial effect using above-mentioned further scheme is：The setting of high pressure filter can be filtered to oil-feed, it is to avoid
Containing impurity, whole test system and servo valve are impacted in oil.
Further, it is provided with accumulator between described high pressure filter and described first pressure-reducing valve.
Beneficial effect using above-mentioned further scheme is：The setting of accumulator is used for buffering the pressure fluctuation of pump.
Further, it is provided with the first check valve and the second cut-off between described second pressure table and described first detection pipeline
Valve.
Beneficial effect using above-mentioned further scheme is：The setting of the first check valve and the second stop valve can ensure that oil
One-way flow, and second pressure table is protected, when oil pressure is higher than second pressure table range, the second cut-off can be closed
Valve.
Further, described 3rd pressure gauge and described newly leading are provided with the second check valve and the 3rd cut-off between oil supply pipe
Valve.
Beneficial effect using above-mentioned further scheme is：The setting of the second check valve and the 3rd stop valve can ensure that oil
One-way flow, and the 3rd pressure gauge is protected, when oil pressure is higher than three pressure gage measuring ranges, the 3rd cut-off can be closed
Valve.
Further, it is provided with the 3rd check valve and the 4th cut-off between described 4th pressure gauge and described second detection pipeline
Valve.
Beneficial effect using above-mentioned further scheme is：The setting of the 3rd check valve and the 4th stop valve can ensure that oil
One-way flow, and the 4th pressure gauge is protected, when oil pressure is higher than four pressure gage measuring ranges, the 4th cut-off can be closed
Valve.
Further, it is provided with the 4th check valve and the 5th cut-off between described 5th pressure gauge and described 3rd detection pipeline
Valve.
Beneficial effect using above-mentioned further scheme is：The setting of the 4th check valve and the 5th stop valve can ensure that oil
One-way flow, and the 5th pressure gauge is protected, when the 5th oil pressure is higher than pressure gage measuring range, the 5th cut-off can be closed
Valve.
Further, it is provided with the 5th check valve and the 6th cut-off between described 6th pressure gauge and described 4th detection pipeline
Valve.
Beneficial effect using above-mentioned further scheme is：The setting of the 5th check valve and the 6th stop valve can ensure that oil
One-way flow, and the 6th pressure gauge is protected, when oil pressure is higher than six pressure gage measuring ranges, the 6th cut-off can be closed
Valve.
Brief description
Fig. 1 is structural representation of the present utility model；
In accompanying drawing, the list of parts representated by each label is as follows：
1st, fuel tank, the 2, pump, 3, first detection pipeline, the 4, second detection pipeline, the 5, the 3rd detection pipeline, the 6, the 4th detection pipe
Road, 7, oil inlet pipe, 8, first pressure table, 9, board-like ball valve, the 10, first pressure-reducing valve, the 11, first stop valve, 12, second pressure
Table, the 13, second pressure-reducing valve, 14, newly lead oil supply pipe, the 15, the 3rd pressure gauge, 16, reversal valve, 17, first throttle valve, 18,
Four pressure gauges, 19, second throttle, 20, first pressure sensor, the 21, the 5th pressure gauge, the 22, the 3rd choke valve, 23, second
Pressure sensor, the 24, the 6th pressure gauge, 25, tee ball valve, 26, high pressure filter, 27, accumulator, the 28, first check valve,
29th, the second stop valve, the 30, second check valve, the 31, the 3rd stop valve, the 32, the 3rd check valve, the 33, the 4th stop valve, the 34, the 4th
Check valve, the 35, the 5th stop valve, the 36, the 5th check valve, the 37, the 6th stop valve.
Specific embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example is served only for explaining this practicality
New, it is not intended to limit scope of the present utility model.
As shown in figure 1, the utility model includes fuel tank 1, pump 2, first detection pipeline 3, second detection pipeline 4, the 3rd inspection
Test tube road 5 and the 4th detection pipeline 6, the input of described pump 2 connects oil inlet pipe 7, and the output end of described pump 2 passes through pipeline successively
Connect first pressure table 8, the input of board-like ball valve 9, the output end of described board-like ball valve 9 connects the first pressure-reducing valve by pipeline
10 inputs and the input of the first stop valve 11, the output end of described first pressure-reducing valve 10 connects described first detection pipeline 3
One end, described first detection pipeline 3 is provided with second pressure table 12, and the other end of described first detection pipeline 3 is used for connecting
The P mouth of servo valve；The output end of described first stop valve 11 by pipeline connect the second pressure-reducing valve 13 input, described second
The output end of pressure-reducing valve 13 connects the one end newly leading oil supply pipe 14, and the described other end newly leading oil supply pipe 14 is watched for connection
Take the X mouth of valve, described oil supply pipe 14 of newly leading is provided with the 3rd pressure gauge 15；One end of described second detection pipeline 4 is used for even
Connect the T mouth of servo valve, one end of described 3rd detection pipeline 5 is used for connecting the A mouth of servo valve, described 4th detection pipeline 6
One end is used for connecting the B mouth of servo valve, the other end of described second detection pipeline 4, the other end of described 3rd detection pipeline 5 and
The other end of described 4th detection pipeline 6 is all connected with the input of reversal valve 16, and described second detection pipeline 4 is provided with first segment
Stream valve 17 and the 4th pressure gauge 18, described 3rd detection pipeline 5 is provided with second throttle 19, first pressure sensor 20 and the
Five pressure gauges 21, described 4th detection pipeline 6 is provided with the 3rd choke valve 22, second pressure sensor 23 and the 6th pressure gauge
24；The delivery outlet of described reversal valve 16 respectively by the input of pipeline connecting tee ball valve 25, the one of described tee ball valve 25
Individual output end is connected to fuel tank 1 by pipeline.
It is provided with high pressure filter 26 between described board-like ball valve 9 and described first pressure-reducing valve 10.Described high pressure filter 26
It is provided with accumulator 27 and described first pressure-reducing valve between.It is provided between described second pressure table 12 and described first detection pipeline 3
First check valve 28 and the second stop valve 29.Described 3rd pressure gauge 15 and described newly leading are provided with the second list between oil supply pipe 14
To valve 30 and the 3rd stop valve 31.It is provided with the 3rd check valve 32 between described 4th pressure gauge 18 and described second detection pipeline 4
With the 4th stop valve 33.It is provided with the 4th check valve 34 and the 5th between described 5th pressure gauge 21 and described 3rd detection pipeline 5
Stop valve 35.It is provided with the 5th check valve 36 and the 6th stop valve between described 6th pressure gauge 24 and described 4th detection pipeline 6
37.
First pressure sensor 20 and second pressure sensor 23 can test the pressure in servo valve A, B chamber respectively, be given
Voltage signal, thus draw pressure characteristic.
No load discharge characteristic test：Adjust pump 2 and the first pressure-reducing valve 10, depending on test pressure is according to being test for valve, lead to
It is often tri- kinds of states of 7MPa, 14MPa, 21MPa.Open board-like ball valve 9, the second stop valve 29, the 3rd stop valve 31, the 5th cut-off
Valve 35, the first stop valve 11, first throttle valve 17, second throttle 19 and the 3rd choke valve 22, close other all valves.By three
Pass ball valve 25 is connected to turbine flowmeter side, opens oil sources, and to servo valve plus positive negative signal, rapid operation is several times.It is then shut off
Second throttle 19 and the 3rd choke valve 22.Then open computer and select discharge characteristic test interface, click traffic starts to test,
Making it produce a frequency is 0.01HZ, and amplitude is the AC signal of the just profound ripple of rated current (except MOOG722).According to friendship
Stream signal magnitude, the signal magnitude of turbine flowmeter, automatically draw out no load discharge characteristic through system-computed on computers bent
Line, calculates left and right maximum stream flow data respectively, and the stagnant loop data of servo valve.
Pressure gain characteristics are tested：Adjust oil sources and the first pressure-reducing valve 10, the inlet pressure of valve is according to the volume of tested valve
Constant-pressure is setting.Open board-like ball valve 9, the second stop valve 29, the 6th stop valve 37, the 4th stop valve 33, the first stop valve
11, first throttle valve 17, close other all valves.Then open computer selection pressure test interface, click on pressure and start to test,
Making it produce a frequency is 0.01HZ, and amplitude is the AC signal of the just profound ripple of rated current (except MOOG722).According to friendship
Stream signal magnitude, the signal magnitude of the signal difference of two pressure sensors, automatically draw out through system-computed on computers
Pressure characteristic.If it is necessary, above experiment can be repeated in the state of different charge oil pressures.
Internal leakage is tested：Adjust the charge oil pressure of pump 2 and the first pressure-reducing valve 10 to higher than more than return pressure 10Mpa, with
And suitable pilot pressure.Open board-like ball valve 9, the second stop valve 29, the 6th stop valve 37,33, first section of the 4th stop valve
Only valve 11, first throttle valve 17, close other all valves.Tee ball valve 25 is connected to gear meter side, opens oil sources,
After setting input pressure, then open in computer selection and let out test interface, let out in click and start test so as to produce a frequency
For 0.01HZ, amplitude is the AC signal of the just profound ripple of rated current (except MOOG722).According to AC signal size, gear
The signal magnitude of flowmeter, lets out characteristic curve on computers in system-computed is drawn out automatically.
The test system of the servo valve that the utility model provides enables to carry out no load discharge characteristic test, pressure to servo valve
The test of power gain characteristic and internal leakage test, provide the practicality of whole test system, and guarantee the accuracy tested and
Testing efficiency.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvement made etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (8)
1. a kind of test system of convenient test servo valve performance is it is characterised in that include fuel tank (1), pump (2), the first detection
Pipeline (3), the second detection pipeline (4), the 3rd detection pipeline (5) and the 4th detection pipeline (6), the input of described pump (2) is even
Tap into oil pipe (7), the output end of described pump (2) is sequentially connected the input of first pressure table (8), board-like ball valve (9) by pipeline
End, the output end of described board-like ball valve (9) connects the first pressure-reducing valve (10) input and the first stop valve by pipeline respectively
(11) input, one end of described first detection pipeline (3) of output end connection of described first pressure-reducing valve (10), described first
Detection pipeline (3) is provided with second pressure table (12), and the other end of described first detection pipeline (3) is used for connecting the P of servo valve
Mouthful；The output end of described first stop valve (11) connects the input of the second pressure-reducing valve (13), described second decompression by pipeline
The output end of valve (13) connects the one end newly leading oil supply pipe (14), and the described other end newly leading oil supply pipe (14) is used for connecting
The X mouth of servo valve, described oil supply pipe (14) of newly leading is provided with the 3rd pressure gauge (15)；The one of described second detection pipeline (4)
Hold the T mouth for connecting servo valve, one end of described 3rd detection pipeline (5) is used for connecting the A mouth of servo valve, described 4th inspection
The one end in test tube road (6) is used for connecting the B mouth of servo valve, the other end of described second detection pipeline (4), described 3rd detection pipe
The other end of the other end in road (5) and described 4th detection pipeline (6) is all connected with the input of reversal valve (16), described second inspection
Test tube road (4) is provided with first throttle valve (17) and the 4th pressure gauge (18), and described 3rd detection pipeline (5) is provided with second section
Stream valve (19), first pressure sensor (20) and the 5th pressure gauge (21), described 4th detection pipeline (6) is provided with the 3rd throttling
Valve (22), second pressure sensor (23) and the 6th pressure gauge (24)；The delivery outlet of described reversal valve (16) passes through pipeline respectively
The input of connecting tee ball valve (25), an output end of described tee ball valve (25) is connected to fuel tank (1) by pipeline.
2. a kind of test system of convenient test servo valve performance according to claim 1 is it is characterised in that described board-like
It is provided with high pressure filter (26) between ball valve (9) and described first pressure-reducing valve (10).
3. a kind of test system of convenient test servo valve performance according to claim 2 is it is characterised in that described high pressure
It is provided with accumulator (27) between filter (26) and described first pressure-reducing valve (10).
4. a kind of test system of convenient test servo valve performance according to claim 2 is it is characterised in that described second
It is provided with the first check valve (28) and the second stop valve (29) between pressure gauge (12) and described first detection pipeline (3).
5. a kind of test system of convenient test servo valve performance according to claim 4 is it is characterised in that the described 3rd
Pressure gauge (15) and described newly leading are provided with the second check valve (30) and the 3rd stop valve (31) between oil supply pipe (14).
6. a kind of test system of convenient test servo valve performance according to claim 5 is it is characterised in that the described 4th
It is provided with the 3rd check valve (32) and the 4th stop valve (33) between pressure gauge (18) and described second detection pipeline (4).
7. a kind of test system of convenient test servo valve performance according to claim 6 is it is characterised in that the described 5th
It is provided with the 4th check valve (34) and the 5th stop valve (35) between pressure gauge (21) and described 3rd detection pipeline (5).
8. a kind of test system of convenient test servo valve performance according to claim 7 is it is characterised in that the described 6th
It is provided with the 5th check valve (36) and the 6th stop valve (37) between pressure gauge (24) and described 4th detection pipeline (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620947360.7U CN205937310U (en) | 2016-08-25 | 2016-08-25 | Conveniently test test system of servovalve performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620947360.7U CN205937310U (en) | 2016-08-25 | 2016-08-25 | Conveniently test test system of servovalve performance |
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| Publication Number | Publication Date |
|---|---|
| CN205937310U true CN205937310U (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620947360.7U Expired - Fee Related CN205937310U (en) | 2016-08-25 | 2016-08-25 | Conveniently test test system of servovalve performance |
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| CN (1) | CN205937310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623125A (en) * | 2022-03-25 | 2022-06-14 | 哈尔滨工业大学 | High-speed switch valve performance test system |
-
2016
- 2016-08-25 CN CN201620947360.7U patent/CN205937310U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623125A (en) * | 2022-03-25 | 2022-06-14 | 哈尔滨工业大学 | High-speed switch valve performance test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190312 Address after: 030000 Taiyuan Industrial Park Headquarters Base 1705, No. 68 Dongyan, Fudong, Xinghualing District, Taiyuan City, Shanxi Province Co-patentee after: Beijing Huayuan Lean Electric Technology Co., Ltd. Patentee after: Shanxi Dongrun electric hydraulic control Co. Ltd. lean Address before: 030021 Area I, Chemical Road, Jinyuan District, Taiyuan City, Shanxi Province Patentee before: Shanxi Dongrun electric hydraulic control Co. Ltd. lean |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20190825 |