CN205937308U - Servovalve nozzle test system - Google Patents
Servovalve nozzle test system Download PDFInfo
- Publication number
- CN205937308U CN205937308U CN201620943857.1U CN201620943857U CN205937308U CN 205937308 U CN205937308 U CN 205937308U CN 201620943857 U CN201620943857 U CN 201620943857U CN 205937308 U CN205937308 U CN 205937308U
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- valve
- oil
- pressure
- nozzle
- oil pump
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- Expired - Fee Related
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Abstract
The utility model relates to a servovalve nozzle test system, including the oil pump, the input of oil pump is connected with the oil tank through advancing oil pipe, the output of oil pump is equipped with a pressure sensor, three branch oil pipe way is connected to the output of oil pump, first branch oil pipe way connects gradually flow sensor, first valve, the 2nd pressure sensor, wait to detect the nozzle, the 3rd pressure sensor and oil tank, a second branch oil pipe way connects gradually the choke valve, the input of fourth pressure sensor and second valve, the output of second valve passes through the pipe connection and arrives on the pipeline between first valve and the 2nd pressure sensor, the input of proportion overflow valve is connected on a third branch oil pipe way. The utility model discloses an open or close first valve, second valve to can the controlling ratio overflow valve just carry out the pressure differential of servovalve nozzle flow characteristic test and pressure characteristic test have greatly promoted detection efficiency, have reduced the error, have improved the mating accuracy of nozzle.
Description
Technical field
This utility model is related to servo valve technical field of measurement and test, more particularly, to a kind of servo valve nozzle characteristic testing system.
Background technology
The quality testing of servo valve nozzle includes pressure reduction-discharge characteristic test and pressure characteristic test, is carrying out this two
During test, it usually needs operator's manual voltage regulation, gathered data, the error of manual voltage regulation and artificial gathered data is larger, because
, when carrying out artificial nozzle pairing according to this data, the degree of accuracy of pairing is low for this technical staff, and manual voltage regulation, manually collection number
Need to consume substantial amounts of manpower according to the mode that nozzle matches；On the other hand, when carrying out above-mentioned two tests, need to change not
Pressure regulation together, current limliting and measuring apparatus, lead to the efficiency detecting low.
Utility model content
Technical problem to be solved in the utility model is to provide servo valve nozzle characteristic testing system, solves to watch in prior art
Take the problem that valve nozzle quality determining method efficiency is low and nozzle pairing precision is low.
The technical scheme that this utility model solves above-mentioned technical problem is as follows：A kind of servo valve nozzle characteristic testing system, including
Oil pump, the input of described oil pump is connected with fuel tank by oil inlet pipe, and the outfan of described oil pump is provided with for detecting described oil
The first pressure sensor of the output oil pressure of pump, the outfan of described oil pump connects three branch oil pipe roads, first branch oil pipe road
It is sequentially connected flow transducer, the first valve, second pressure sensor, nozzle to be detected, the 3rd pressure transducer and described
Fuel tank, second branch oil pipe road is sequentially connected the input of choke valve, the 4th pressure transducer and the second valve, and described second
The outfan of valve is connected on the pipeline between described first valve and described second pressure sensor by pipeline；3rd
Branch oil pipe road connects the input of proportional pressure control valve, and the outfan of described proportional pressure control valve connects described fuel tank by pipeline.
The beneficial effects of the utility model are：This utility model is by being turned on and off the first valve, the second valve, and controls
Proportional pressure control valve processed, just can carry out pressure reduction-discharge characteristic test and the pressure characteristic test of servo valve nozzle, greatly improve
Detection efficiency, reduces error, improves the degree of accuracy of nozzle pairing.
On the basis of technique scheme, this utility model can also do following improvement.
Further, described oil inlet pipe is provided with oil strainer.
Beneficial effect using above-mentioned further scheme is：The setting of oil strainer can be filtered to oil-feed, it is to avoid oil
In containing impurity, whole test system and servo valve are impacted.
Further, described oil inlet pipe is provided with stop valve.
Beneficial effect using above-mentioned further scheme is：The setting of stop valve is convenient to close whole system in time.
Further, described first valve and described second valve are electromagnetic valve.
Beneficial effect using above-mentioned further scheme is：First valve and the second valve adopt electromagnetic valve, convenient to the
One valve and the control of the second 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, oil pump, 2, oil inlet pipe, 3, fuel tank, 4, first pressure sensor, 5, flow transducer, the 6, first valve, 7,
Two pressure transducers, 8, nozzle to be detected, the 9, the 3rd pressure transducer, 10, choke valve, the 11, the 4th pressure transducer, 12,
Two valves, 13, proportional pressure control valve, 14, oil strainer, 15, 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, this utility model includes oil pump 1, the input of described oil pump 1 passes through oil inlet pipe 2 with fuel tank 3 even
Connect, the outfan of described oil pump 1 is provided with the first pressure sensor 4 of the output oil pressure for detecting described oil pump 1, described oil pump
1 outfan connects three branch oil pipe roads, and first branch oil pipe road is sequentially connected flow transducer 5, first valve the 6, second pressure
Force transducer 7, nozzle to be detected 8, the 3rd pressure transducer 9 and described fuel tank 3, second branch oil pipe road is sequentially connected throttling
The input of valve 10, the 4th pressure transducer 11 and the second valve 12, the outfan of described second valve 12 is by pipeline even
It is connected on the pipeline between described first valve 6 and described second pressure sensor 7；3rd branch oil pipe road connects proportional overflow
The input of valve 13, the outfan of described proportional pressure control valve 13 connects described fuel tank 3 by pipeline.Also include computer, described
Computer respectively with first pressure sensor 4, second pressure sensor 7, the 3rd pressure transducer 9, the 4th pressure transducer 11,
Proportional pressure control valve 13 circuit connects, and described computer is used for receiving first pressure sensor 4, second pressure sensor 7, the 3rd pressure
Force transducer 9, the data of the 4th pressure transducer 11 collection, described computer is used for controlling the unlatching of described proportional pressure control valve 13
Size is changing charge oil pressure.
Preferably, described oil inlet pipe 2 is provided with oil strainer 14.Described oil inlet pipe 2 is provided with stop valve 15.Described first
Valve 6 and described second valve 12 are electromagnetic valve.
Operation principle：
1st, pressure reduction-discharge characteristic test：Open the first valve 6, close the second valve 12, flow transducer 5 gathers to be checked
Survey the data on flows of the oil inlet end of nozzle 8, second pressure sensor 7 gathers the oil pressure data of the oil inlet end of nozzle 8 to be detected, the
Three pressure transducers 9 gather the oil pressure data of the oil outlet end of nozzle 8 to be detected, and computer is according to flow transducer 5, second pressure
The data that sensor 7 and the 3rd pressure transducer 9 are sent, by default program, calculates the pressure of one group of nozzle 8 to be detected
Difference-data on flows, changes charge oil pressure by computer controls proportional pressure control valve 13, can get multigroup nozzle to be detected 8
Pressure reduction-data on flows；
2nd, pressure characteristic test：Open the second valve 12, close the first valve 6, first pressure sensor 4 gathers choke valve
The oil pressure data of 10 oil inlet end, the 3rd pressure transducer 9 gathers the oil pressure data of the oil inlet end of nozzle 8 to be detected, the second pressure
Force transducer 7 gathers the oil pressure data of the oil outlet end of nozzle 8 to be detected, and computer is according to first pressure sensor 4, second pressure
The data that sensor 7 and the 3rd pressure transducer 9 are sent, by default program, calculates the pressure of one group of nozzle 8 to be detected
Data, the pressure of passing ratio overflow valve 13 is adjusted, and can get the pressure data of multigroup nozzle to be detected 8.
This utility model is by being turned on and off the first valve 6, the second valve 12, and controls proportional pressure control valve 13, with regard to energy
Carry out pressure reduction-discharge characteristic test and the pressure characteristic test of servo valve nozzle, greatly improve detection efficiency, reduce by mistake
Difference, improves the degree of accuracy of nozzle pairing.The setting of oil strainer 14 can be filtered to oil-feed, it is to avoid contains impurity pair in oil
Whole test system and servo valve impact.The setting of stop valve 15 is convenient to close whole system in time.First valve 6 He
Second valve 12 adopts electromagnetic valve, and the convenient control to the first valve 6 and the second valve 12, in embodiment of the present utility model
In, the first valve 6 and the opening and closing of the second valve 12 can be controlled respectively by computer.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this 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 (4)
1. a kind of servo valve nozzle characteristic testing system is it is characterised in that include oil pump (1), the input of described oil pump (1) pass through into
Oil pipe (2) is connected with fuel tank (3), and the outfan of described oil pump (1) is provided with of the output oil pressure for detecting described oil pump (1)
One pressure transducer (4), the outfan of described oil pump (1) connects three branch oil pipe roads, and first branch oil pipe road is sequentially connected stream
Quantity sensor (5), the first valve (6), second pressure sensor (7), nozzle to be detected (8), the 3rd pressure transducer (9) and
Described fuel tank (3), second branch oil pipe road is sequentially connected choke valve (10), the 4th pressure transducer (11) and the second valve
(12) input, the outfan of described second valve (12) is connected to described first valve (6) and described second by pipeline
On pipeline between pressure transducer (7)；3rd branch oil pipe road connects the input of proportional pressure control valve (13), and described ratio is overflow
The outfan of stream valve (13) connects described fuel tank (3) by pipeline.
2. a kind of servo valve nozzle characteristic testing system according to claim 1 is it is characterised in that set on described oil inlet pipe (2)
There is oil strainer (14).
3. a kind of servo valve nozzle characteristic testing system according to claim 1 and 2 is it is characterised in that on described oil inlet pipe (2)
It is provided with stop valve (15).
4. a kind of servo valve nozzle characteristic testing system according to claim 1 and 2 is it is characterised in that described first valve (6)
It is electromagnetic valve with described second valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620943857.1U CN205937308U (en) | 2016-08-25 | 2016-08-25 | Servovalve nozzle test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620943857.1U CN205937308U (en) | 2016-08-25 | 2016-08-25 | Servovalve nozzle test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205937308U true CN205937308U (en) | 2017-02-08 |
Family
ID=57953318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620943857.1U Expired - Fee Related CN205937308U (en) | 2016-08-25 | 2016-08-25 | Servovalve nozzle test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205937308U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991079A (en) * | 2017-11-29 | 2018-05-04 | 陕西航空电气有限责任公司 | A kind of oil spout member pressure flow parameter experiment test device |
| CN109469813A (en) * | 2018-12-20 | 2019-03-15 | 哈尔滨亚江机电科技有限公司 | A kind of electricity servo lubricating arrangement |
| CN110953220A (en) * | 2019-12-24 | 2020-04-03 | 一汽解放汽车有限公司 | Control valve oil hole testing device and method |
| CN112112865A (en) * | 2020-09-02 | 2020-12-22 | 山东大学 | Flow adjusting device and method in overflow valve test |
| CN113432149A (en) * | 2021-06-30 | 2021-09-24 | 中国航发动力股份有限公司 | Test verification method and system for fuel nozzle modification |
| CN114674525A (en) * | 2022-03-09 | 2022-06-28 | 广西防城港核电有限公司 | Pipeline flow characteristic verification device and verification method thereof |
-
2016
- 2016-08-25 CN CN201620943857.1U patent/CN205937308U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991079A (en) * | 2017-11-29 | 2018-05-04 | 陕西航空电气有限责任公司 | A kind of oil spout member pressure flow parameter experiment test device |
| CN109469813A (en) * | 2018-12-20 | 2019-03-15 | 哈尔滨亚江机电科技有限公司 | A kind of electricity servo lubricating arrangement |
| CN110953220A (en) * | 2019-12-24 | 2020-04-03 | 一汽解放汽车有限公司 | Control valve oil hole testing device and method |
| CN112112865A (en) * | 2020-09-02 | 2020-12-22 | 山东大学 | Flow adjusting device and method in overflow valve test |
| CN112112865B (en) * | 2020-09-02 | 2021-10-22 | 山东大学 | Flow adjusting device and method in overflow valve test |
| CN113432149A (en) * | 2021-06-30 | 2021-09-24 | 中国航发动力股份有限公司 | Test verification method and system for fuel nozzle modification |
| CN113432149B (en) * | 2021-06-30 | 2022-11-29 | 中国航发动力股份有限公司 | Test verification method and system for fuel nozzle modification |
| CN114674525A (en) * | 2022-03-09 | 2022-06-28 | 广西防城港核电有限公司 | Pipeline flow characteristic verification device and verification method thereof |
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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 |
Effective date of registration: 20190307 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 |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20190825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |