CN201730900U - High-temperature hydraulic test system using normal temperature control valve - Google Patents
High-temperature hydraulic test system using normal temperature control valve Download PDFInfo
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- CN201730900U CN201730900U CN2010202338166U CN201020233816U CN201730900U CN 201730900 U CN201730900 U CN 201730900U CN 2010202338166 U CN2010202338166 U CN 2010202338166U CN 201020233816 U CN201020233816 U CN 201020233816U CN 201730900 U CN201730900 U CN 201730900U
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- control valve
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- normal temperature
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Abstract
The utility model discloses a high-temperature hydraulic test system using a normal temperature control valve, comprising a hydraulic station containing a hydraulic pump and a test object, wherein a control valve is arranged on a pipeline between a hydraulic station and a test object; a heating temperature-control system is arranged on the pipeline between the control valve and the test object; and a cooling device is arranged on an oil return channel between the test object and the hydraulic station. The utility model has rational structure, provides a hydraulic system for the high-temperature (80 to 240 DEG C) control of working conditions and media by using a normal temperature (0 to 80 DEG C) hydraulic control valve, and can meet various test requirements of providing high-temperature media.
Description
Technical field:
The utility model relates to a kind of high temperature hydraulic pressure test system.
Background technique:
In the occasions such as infinitely variable transmission performance test of the hydraulic system test of some special occasions, operation, various transmission case lubrication system performance test, hydraulic gear performance test, hydraulic control, need provide high temperature (＞80 ℃) test(ing) medium to tested object, simultaneously, need carry out temperature, pressure, flow, the isoparametric control of direction to these media, these media may be the dedicated medium of hydraulic oil, machine oil or these objects etc.And at present, can carry out various hydraulic control valves, especially the High Accuracy Control valve of pressure, flow, direction control, seldom have and can under high temperature (＞80 ℃) operating mode, carry out proper functioning.
Summary of the invention:
It is a kind of rational in infrastructure that the purpose of this utility model is to provide, and can satisfy the high temperature hydraulic pressure test system with the normal temperature control valve that various need provide the test demand of high temperature media.
Technical solution of the present utility model is:
A kind of high temperature hydraulic pressure test system with the normal temperature control valve, comprise the hydraulic station, the subjects that contain oil hydraulic pump, it is characterized in that: on the pipeline between hydraulic station and subjects, control valve is set, on the pipeline between control valve and subjects, heating temperature-control system is set, on the drainback passage between subjects and the hydraulic station, cooling unit is set.
Described control valve is a ratio adjusting valve.Between ratio adjusting valve and heating temperature-control system, be provided with Twoway valves.
Described heating temperature-control system has heating equipment, and the pipeline between heating equipment and the subjects is provided with at least one in temperature transducer, pressure transducer, the flow measuring device.Heating equipment is a heat exchanger.Heating system comprises temperature level, temperature control precision according to the demand of test about temperature, and one or more levels heating system can be set.
Described cooling unit is arranged on the return line between subjects and the hydraulic station or is arranged in the hydraulic station fuel tank.Cooling unit is the heat exchanger (being the indirect type of cooling) that utilizes external source.
An automatical control system is connected with control valve, heating temperature-control system, cooling unit and oil hydraulic pump.
The utility model is rational in infrastructure, and a kind of hydraulic system of carrying out the control of high temperature (80～240 ℃) operating mode medium with normal temperature (0～80 ℃) hydraulic control valve is provided, and can satisfy the test demand that various need provide high temperature media.
The utility model increases heating temperature-control system between control valve and subjects, medium is in the normal temperature state during by control valve system, behind control valve, increase heating temperature-control system on the pipeline, heating system is according to the demand of test about temperature, comprise temperature level, temperature control precision, one or more levels heating system can be set.The utility model increases by a cooling unit between subjects and hydraulic station, medium is got back to hydraulic station after by subjects, and what consider that hydraulic system all selects for use is the normal temperature element, therefore, between subjects and hydraulic station cooling unit is set.Cooling unit can adopt and directly cool off in pipeline or the indirect type of cooling in the hydraulic station fuel tank.The utility model major parameter such as temperature, pressure, flow measurement points are between heating temperature control device and subjects, need the parameter of control to carry out closed loop control by automatical control system, realize the accurate parameter that pilot system requires.
Description of drawings:
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is an embodiment's of the utility model a configuration diagram.
Embodiment:
A kind of high temperature hydraulic pressure test system with the normal temperature control valve, comprise the hydraulic station, the subjects that contain oil hydraulic pump 1, control valve 3 is set on the pipeline between hydraulic station and subjects, on the pipeline between control valve and subjects, heating temperature-control system is set, cooling unit 9 is set on the drainback passage between subjects 8 and the hydraulic station.
Described control valve is a ratio adjusting valve.Between ratio adjusting valve and heating temperature-control system, be provided with Twoway valves 4.
Described heating temperature-control system has heating equipment 5, and the pipeline between heating equipment and the subjects is provided with temperature transducer 6, pressure transducer 7.Heating equipment is a heat exchanger.Heating system comprises temperature level, temperature control precision according to the demand of test about temperature, and one or more levels heating system can be set.
Described cooling unit is arranged on the return line between subjects and the hydraulic station or is arranged in the hydraulic station fuel tank.Cooling unit is the heat exchanger (being the indirect type of cooling) that utilizes external source.
An automatical control system 10 is connected with control valve, heating temperature-control system, cooling unit and oil hydraulic pump, and the control of the closed loop control of Proportional valve, the control of heating system, cooling unit and the security monitoring of system, parameter measurement etc. are all finished automatically by automatical control system.
Also has relief valve 2 among the figure.
Claims (8)
1. high temperature hydraulic pressure test system with the normal temperature control valve, comprise the hydraulic station, the subjects that contain oil hydraulic pump, it is characterized in that: on the pipeline between hydraulic station and subjects, control valve is set, on the pipeline between control valve and subjects, heating temperature-control system is set, on the drainback passage between subjects and the hydraulic station, cooling unit is set.
2. the high temperature hydraulic pressure test system with the normal temperature control valve according to claim 1, it is characterized in that: described control valve is a ratio adjusting valve.
3. the high temperature hydraulic pressure test system with the normal temperature control valve according to claim 2 is characterized in that: be provided with Twoway valves between ratio adjusting valve and heating temperature-control system.
4. according to claim 1,2 or 3 described high temperature hydraulic pressure test systems with the normal temperature control valve, it is characterized in that: described heating temperature-control system has heating equipment, and the pipeline between heating equipment and the subjects is provided with at least one in temperature transducer, pressure transducer, the flow measuring device.
5. the high temperature hydraulic pressure test system with the normal temperature control valve according to claim 4, it is characterized in that: heating equipment is a heat exchanger.
6. according to claim 1,2 or 3 described high temperature hydraulic pressure test systems with normal temperature control valves, it is characterized in that: described cooling unit is arranged on the return line between subjects and the hydraulic station or is arranged in the hydraulic station fuel tank.
7. the high temperature hydraulic pressure test system with the normal temperature control valve according to claim 6, it is characterized in that: cooling unit is the heat exchanger that utilizes external source.
8. according to claim 1,2 or 3 described high temperature hydraulic pressure test systems with the normal temperature control valve, it is characterized in that: an automatical control system is connected with control valve, heating temperature-control system, cooling unit and oil hydraulic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202338166U CN201730900U (en) | 2010-06-18 | 2010-06-18 | High-temperature hydraulic test system using normal temperature control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202338166U CN201730900U (en) | 2010-06-18 | 2010-06-18 | High-temperature hydraulic test system using normal temperature control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201730900U true CN201730900U (en) | 2011-02-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202338166U Expired - Fee Related CN201730900U (en) | 2010-06-18 | 2010-06-18 | High-temperature hydraulic test system using normal temperature control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201730900U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939422A (en) * | 2014-03-28 | 2014-07-23 | 广西柳工机械股份有限公司 | Testing system for hydraulic device |
| CN104405731A (en) * | 2014-11-20 | 2015-03-11 | 西安庆安航空试验设备有限责任公司 | Hydraulic oil liquid heating system |
| CN108843655A (en) * | 2018-08-22 | 2018-11-20 | 湘潭大学 | A kind of automatic speed transmission electrohydraulic modular environment adaptive testing platform |
| CN108916159A (en) * | 2018-06-22 | 2018-11-30 | 西安飞机工业（集团）有限责任公司 | A method of heating hydraulic oil liquid is provided for hydraulic element test |
-
2010
- 2010-06-18 CN CN2010202338166U patent/CN201730900U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939422A (en) * | 2014-03-28 | 2014-07-23 | 广西柳工机械股份有限公司 | Testing system for hydraulic device |
| CN103939422B (en) * | 2014-03-28 | 2016-03-23 | 广西柳工机械股份有限公司 | Hydraulic equipment pilot system |
| CN104405731A (en) * | 2014-11-20 | 2015-03-11 | 西安庆安航空试验设备有限责任公司 | Hydraulic oil liquid heating system |
| CN104405731B (en) * | 2014-11-20 | 2016-09-28 | 西安庆安航空试验设备有限责任公司 | Hydraulic oil liquid heating system |
| CN108916159A (en) * | 2018-06-22 | 2018-11-30 | 西安飞机工业（集团）有限责任公司 | A method of heating hydraulic oil liquid is provided for hydraulic element test |
| CN108843655A (en) * | 2018-08-22 | 2018-11-20 | 湘潭大学 | A kind of automatic speed transmission electrohydraulic modular environment adaptive testing platform |
| CN108843655B (en) * | 2018-08-22 | 2020-09-22 | 湘潭大学 | Test method for test bench for environmental adaptability of electro-hydraulic module of automatic transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20130618 |