CN201297306Y - Hydraulic device for redirector testing device - Google Patents
Hydraulic device for redirector testing device Download PDFInfo
- Publication number
- CN201297306Y CN201297306Y CNU2008201932249U CN200820193224U CN201297306Y CN 201297306 Y CN201297306 Y CN 201297306Y CN U2008201932249 U CNU2008201932249 U CN U2008201932249U CN 200820193224 U CN200820193224 U CN 200820193224U CN 201297306 Y CN201297306 Y CN 201297306Y
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- hydraulic
- pressure
- testing
- temperature
- oil pipe
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- Expired - Fee Related
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- Fluid-Pressure Circuits (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to a hydraulic device for a redirector testing device, belonging to the field of redirector testing devices of automobiles and comprising a hydraulic station, a variable pump, a motor, a holding valve, a throttle valve, a cooler, a flowmeter, a high-pressure heater, a high-temperature and high-pressure throttle valve, a hydraulic oil pipe, and the like. The hydraulic station is mounted at one side of a testing device, connected with the high-pressure heater through the variable pump and a high-low pressure converter by the hydraulic oil pipe and connected with a testing piece load by the high-temperature and high-pressure throttle valve; and the other side of a testing piece mounting bracket is provided with the flowmeter and connected with the hydraulic station through the high-low temperature converter, the cooler and an oil return filter by the hydraulic oil pipe. The utility model enables hydraulic elements to be in a controllable normal-temperature work state, has alarm function, solves the problems that the hydraulic device of the prior testing device works at high-temperature state, and has short service life without excess temperature and excess pressure alarm functions so as to have certain potential safety hazard, and can meet the testing requirement of different hydraulic pressures and flows of the testing piece.
Description
Technical field:
The utility model relates to a kind of hydraulic pressure installation that is used for the commutator testing installation, belongs to automobile steering device testing installation field.
Background technique:
The High Temperature High Pressure wear test of automobile steering device, it is one of important performance of its examination, in process of the test, pressure, temperature and traffic requirement to the hydraulic oil that passed through in the commutator are extremely strict, the requirement variation in pressure is swift in response, the temperature of hydraulic oil reaches operating temperature as early as possible, and is stabilized in constant current in certain temperature range.And existing hydraulic testing apparatus can not be controlled the temperature of hydraulic oil flexibly, is difficult to make hydraulic system to be in the optimum temperature state as early as possible especially in the winter time, influences the stability of testing installation; Hydraulic fluid flow rate control is bad in addition, influences the accuracy of testing installation.And the hydraulic pressure installation of testing installation all is operated in the condition of high temperature, causes hydraulic element short working life, has certain potential safety hazard.
Summary of the invention:
The purpose of this utility model is: provide a kind of Security that has overcome existing hydraulic pressure installation not enough, the deficiency that working life is short; The employing oil hydraulic pump boosts, and heater is rapidly heated, and by the throttle valve control hydraulic fluid flow rate, the oil return of hydraulic oil is got back to the hydraulic pressure installation that is used for the commutator testing installation that fuel tank recycles repeatedly after cooling off.
The utility model is to realize above-mentioned purpose by following technical solution:
A kind of hydraulic pressure installation that is used for the commutator testing installation, it comprises fuel tank cabinet and heat exchange cabinet two-part, by hydraulic station, variable displacement pump, motor, the oil return switch, one-way valve, throttle valve, return filter, cooler, display device, flowmeter, the oil-feed oil purifier, high low temperature transducer, high-pressure heater, thermometer, switch, the High Temperature High Pressure shutoff valve, protector, hydraulic oil pipe is formed, it is characterized in that: hydraulic station is installed in a side of testing installation, hydraulic station by hydraulic oil pipe through variable displacement pump, the oil-feed oil purifier, one-way valve, throttle valve, switch, high low temperature transducer is connected with high-pressure heater; High-pressure heater is connected with load through protector, switch, High Temperature High Pressure shutoff valve by hydraulic oil pipe; Load connects hydraulic station by hydraulic oil pipe through high low temperature transducer, cooler, switch, flowmeter, return filter again, constitutes circulation.
Described hydraulic oil pipe is made by seamless steel pipe.
The utility model advantage compared with prior art is:
1, variable displacement pump, oil-feed oil purifier, return filter, motor, liquid level sensor, temperature transducer etc. all are operated in the normal temperature state, have reduced the heatproof requirement of hydraulic element; Make the normal temperature part-structure of hydraulic pressure installation simple, cheap for manufacturing cost, Safety performance is good.
2, thermal-hydraulic system has the overtemperature alarm function, in case export oily gentle returning-oil temperature overtemperature, superpressure can be reported to the police, and has eliminated potential safety hazard.
Description of drawings:
Accompanying drawing is the hydraulic device structure schematic representation that is used for the commutator testing installation;
Among the figure: 1, hydraulic station, 2, variable displacement pump, 3, motor, 4, the oil return switch; 5, one-way valve, 6, throttle valve, 7, return filter, 8, cooler; 9, display device, 10, flowmeter, 11, the oil-feed oil purifier, 12, high low temperature transducer; 13a, 13b, high-pressure heater, 14, thermometer, 15a, 15b, 15c, 15d, 15e, 15f, switch; 16, High Temperature High Pressure shutoff valve, 17, load, 18, hydraulic oil pipe; 19, fuel tank cabinet, 20, the heat exchange cabinet, 21, protector.
Embodiment:
This hydraulic pressure installation that is used for the commutator testing installation comprises fuel tank cabinet 19 and heat exchange cabinet 20 two-part; two-part are by hydraulic station 1; variable displacement pump 2; motor 3; oil return switch 4; one-way valve 5; throttle valve 6; return filter 7; cooler 8; display device 9; flowmeter 10; oil-feed oil purifier 11; high low temperature transducer 12; high-pressure heater 13a; 13b; thermometer 14; switch 15a; 15b; 15c; 15d; 15e; 15f; High Temperature High Pressure shutoff valve 16; load 17; hydraulic oil pipe 18; protector 21 constitutes; hydraulic station 1 is installed in a side of testing installation; hydraulic oil passes through hydraulic oil pipe 18 through variable displacement pump 2; oil-feed oil purifier 11; one-way valve 5; throttle valve 6; switch 15a; 15b; high low temperature transducer 12 enters high-pressure heater 13a and heater 13b is pressed in the Kenko; pass through protector 21 again after forming High Temperature High Pressure hydraulic pressure oil; hydraulic oil pipe 18 is through switch 15e; High Temperature High Pressure shutoff valve 16 outputs to load 17 with High Temperature High Pressure constant current hydraulic oil.Through high low temperature transducer 12, thermometer 14, cooler 8, switch 15c, 15d, flowmeter 10, oil return switch 4, return filter 7 are got back to hydraulic station 1 by hydraulic oil pipe 18 in the oil return of load 17, constitute circulation and use repeatedly.Thermal-hydraulic system has hydraulic oil output reflux temperature over-temp and over-pressure protective function, shows super 160bar display device 9 output alarms of pressure that is:, shows the super 165bar display device 9 output shutdown of pressure; Heater oil temperature overtemperature 155 degree protectors 21 are reported to the police, and heater oil temperature overtemperature 165 degree protectors 21 are shut down.In case when output or hydraulic oil overtemperature that refluxes or superpressure, can send alarm sound, remind the staff to note, eliminate safe hidden trouble early.
During work, after being installed in tested load 17 on the testpieces mounting bracket, the turnover oil pipe of load 17 is connected with hydraulic oil pipe 18, after being ready to complete, the oil temperature is set to required value, starting electrical machinery 3 is opened variable displacement pump 4, regulates oil pressure to the test requirements document value, open cooler 8 again, the spool of cooler 8 is opened into maximum, and the Flow-rate adjustment that makes flowmeter 10 by High Temperature High Pressure shutoff valve 16 is to the test requirements document value again, and process of the test monitor traffic, pressure, temperature get final product.
Hydraulic oil of the present utility model adopts high-pressure heater 13a, 13b to be rapidly heated, guaranteed to test the requirement of required hydraulic oil temperature, and install High Temperature High Pressure shutoff valve 16 additional, can regulate the required constant current requirement of test, also can solve hydraulic system because the too big problem that pressure hysteresis occurs of volume satisfies test requirements document.By the setting of temperature, pressure, flow, the different hydraulic pressures of the commutator that can satisfy different model below 150 degree, the test requirements document of flow.
Claims (2)
1, a kind of hydraulic pressure installation that is used for the commutator testing installation, it comprises fuel tank cabinet (19) and heat exchange cabinet (20) two-part, by hydraulic station (1), variable displacement pump (2), motor (3), oil return switch (4), one-way valve (5), throttle valve (6), return filter (7), cooler (8), display device (9), flowmeter (10), oil-feed oil purifier (11), high low temperature transducer (12), high-pressure heater (13a), (13b), thermometer (14), switch (15a), (15b), (15c), (15d), (15e), (15f), High Temperature High Pressure shutoff valve (16) protector (21) and hydraulic oil pipe (18) are formed, it is characterized in that: hydraulic station (1) is installed in a side of testing installation, hydraulic station (1) by hydraulic oil pipe (18) through variable displacement pump (2), oil-feed oil purifier (11), one-way valve (5), throttle valve (6), switch (15a), (15b), high low temperature transducer (12) is connected with (13b) with high-pressure heater (13a); High-pressure heater (13a) is connected with load (17) through protector (21), switch (15e), High Temperature High Pressure shutoff valve (16) by hydraulic oil pipe (18) with (13b); Load (17) connects hydraulic station (1) by hydraulic oil pipe (18) through high low temperature transducer (12), cooler (8), switch (15c), (15d), flowmeter (10), return filter (7) again, constitutes circulation.
2, the hydraulic pressure installation that is used for the commutator testing installation according to claim 1 is characterized in that: described hydraulic oil pipe (18) is made by seamless steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201932249U CN201297306Y (en) | 2008-11-25 | 2008-11-25 | Hydraulic device for redirector testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201932249U CN201297306Y (en) | 2008-11-25 | 2008-11-25 | Hydraulic device for redirector testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201297306Y true CN201297306Y (en) | 2009-08-26 |
Family
ID=41043285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201932249U Expired - Fee Related CN201297306Y (en) | 2008-11-25 | 2008-11-25 | Hydraulic device for redirector testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201297306Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322452A (en) * | 2011-09-13 | 2012-01-18 | 何学才 | Hydraulic balanced energy-saving device for stepped heating furnace |
| CN103016942A (en) * | 2012-12-18 | 2013-04-03 | 北京首钢自动化信息技术有限公司 | Protection method of thin oil lubricating equipment |
| CN104159807A (en) * | 2011-12-28 | 2014-11-19 | 丹佛斯动力系统有限公司 | Hydraulic steering device |
| CN104454801A (en) * | 2014-10-09 | 2015-03-25 | 中联重科股份有限公司渭南分公司 | Hydraulic oil temperature control system and method |
| US9242668B2 (en) | 2011-12-28 | 2016-01-26 | Danfoss Power Solutions Aps | Hydraulic steering device |
| CN107218260A (en) * | 2017-07-21 | 2017-09-29 | 天津航天机电设备研究所 | A kind of hydraulic system for being heated and being cooled down to high-voltage oil liquid |
| CN107655698A (en) * | 2017-08-30 | 2018-02-02 | 中国煤炭科工集团太原研究院有限公司 | A kind of hydraulic power unit for the experiment of explosion-proof wet brake |
| US9902422B2 (en) | 2011-12-27 | 2018-02-27 | Danfoss Power Solutions Aps | Hydraulic steering device |
| CN110067789A (en) * | 2019-04-19 | 2019-07-30 | 中国石油天然气集团有限公司 | A kind of coiled tubing unit hydraulic system automatic temperature control |
-
2008
- 2008-11-25 CN CNU2008201932249U patent/CN201297306Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322452A (en) * | 2011-09-13 | 2012-01-18 | 何学才 | Hydraulic balanced energy-saving device for stepped heating furnace |
| US9902422B2 (en) | 2011-12-27 | 2018-02-27 | Danfoss Power Solutions Aps | Hydraulic steering device |
| CN104159807A (en) * | 2011-12-28 | 2014-11-19 | 丹佛斯动力系统有限公司 | Hydraulic steering device |
| US9242668B2 (en) | 2011-12-28 | 2016-01-26 | Danfoss Power Solutions Aps | Hydraulic steering device |
| CN104159807B (en) * | 2011-12-28 | 2016-08-17 | 丹佛斯动力系统有限公司 | Fluid-link steering equipment |
| US9616919B2 (en) | 2011-12-28 | 2017-04-11 | Danfoss Power Solutions Aps | Hydraulic steering device |
| CN103016942A (en) * | 2012-12-18 | 2013-04-03 | 北京首钢自动化信息技术有限公司 | Protection method of thin oil lubricating equipment |
| CN104454801A (en) * | 2014-10-09 | 2015-03-25 | 中联重科股份有限公司渭南分公司 | Hydraulic oil temperature control system and method |
| CN107218260A (en) * | 2017-07-21 | 2017-09-29 | 天津航天机电设备研究所 | A kind of hydraulic system for being heated and being cooled down to high-voltage oil liquid |
| CN107218260B (en) * | 2017-07-21 | 2019-04-12 | 天津航天机电设备研究所 | The hydraulic system that a kind of pair of high-voltage oil liquid is heated and cooled down |
| CN107655698A (en) * | 2017-08-30 | 2018-02-02 | 中国煤炭科工集团太原研究院有限公司 | A kind of hydraulic power unit for the experiment of explosion-proof wet brake |
| CN110067789A (en) * | 2019-04-19 | 2019-07-30 | 中国石油天然气集团有限公司 | A kind of coiled tubing unit hydraulic system automatic temperature control |
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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: 20090826 Termination date: 20111125 |