CN201653689U - Hydraulic system for belt wheel friction performance test stand of continuously variable transmission gear - Google Patents
Hydraulic system for belt wheel friction performance test stand of continuously variable transmission gear Download PDFInfo
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- CN201653689U CN201653689U CN2010201629075U CN201020162907U CN201653689U CN 201653689 U CN201653689 U CN 201653689U CN 2010201629075 U CN2010201629075 U CN 2010201629075U CN 201020162907 U CN201020162907 U CN 201020162907U CN 201653689 U CN201653689 U CN 201653689U
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Abstract
The utility model discloses a hydraulic system for a belt wheel friction performance test stand of a continuously variable transmission gear, comprising an oil supply path, an oil return path and an oil tank, wherein oil temperature, oil pressure and flow control systems are arranged in the oil supply path. The utility model has the advantages that the responsiveness and the control precision of the whole system are higher, and the oil pressure, the flow and the oil temperature needed by the belt wheel friction performance test stand of the continuously variable transmission gear can be ensured.
Description
Technical field
The utility model relates to the hydraulic system technical field, particularly a kind of hydraulic system that is used for electrodeless variable-speed case belt wheel frictional behaviour testing table.
Background technology
Because hydrostatic transmission have moment big, be easy in a big way in, to realize stepless change, stable drive, be convenient to realize frequent illusion and prevent from automatically transship, lubricate, advantage such as life-span length, in high efficiency automated and semi-automatic machinery, obtained application widely.Particularly in the infinitely variable transmission of automobile, obtain application, utilized hydraulic system that belt wheel is driven.But there is the accurate inadequately problem of cost height, control in the hydraulic system that is used for electrodeless variable-speed case belt wheel at present, remains further to be improved.
Summary of the invention
The purpose of this utility model is to provide a kind of hydraulic system that is used for electrodeless variable-speed case belt wheel frictional behaviour testing table at the existing accurate inadequately problem of HYDRAULIC CONTROL SYSTEM that is used for electrodeless variable-speed case belt wheel described in the background technology.
The realization the technical solution of the utility model is as follows:
A kind of hydraulic system that is used for electrodeless variable-speed case belt wheel frictional behaviour testing table, it comprises the supply oil circuit, oil return circuit and fuel tank, be provided with temperature control equipment and fluid level control device in the described fuel tank, described supply oil circuit comprises that first supplies with oil circuit, second supplies with oil circuit and the 3rd supplies with oil circuit, supply with oil circuit for every and include ball valve, first collecting filter, oil pump, surplus valve, servo-valve, temperature sensor and the supply interface that is connected with the wheel box belt wheel, ball valve is connected with fuel tank by oil pipe, the other end of ball valve is connected with first collecting filter by oil pipe, the other end of first collecting filter is connected with oil pump by oil pipe, the outlet of oil pump is connected with servo-valve by oil pipe, be parallel with surplus valve between oil pump and the servo-valve, the outlet of servo-valve is connected with the supply interface by oil pipe, on the oil pipe between servo-valve and the supply interface, be parallel with temperature sensor, be parallel with pressure transducer between servo-valve and the temperature sensor on described second supply oil circuit and the 3rd supply oil circuit; Also be provided with flowmeter between servo-valve and the temperature sensor on the described first supply oil circuit; Described oil return circuit is provided with oil return ball valve, oil return collecting filter and oil return oil pump, and the oil return ball valve is connected with the wheel box belt wheel by oil pipe, and the oil return ball valve other end connects the oil return collecting filter, and the other end of oil return collecting filter connects the oil return oil pump.
Be provided with temperature control equipment and fluid level control device in the described fuel tank, described temperature control equipment comprises well heater, the internal temperature sensor that is connected with well heater, refrigeratory, stirrer, outside fuel tank, also be provided with the external temperature sensor that is communicated with fuel tank internal, described fluid level control device is the liquid level gauge that is arranged in the fuel tank, and fuel tank also is provided with first liquid level relay that is communicated with fuel tank internal outward.
Also be parallel with pressure gauge between servo-valve and the temperature sensor on the described first supply oil circuit, the second supply oil circuit and the 3rd supply oil circuit.
Also be provided with the filtrator and the mouth of changing oil on the described fuel tank.
Be connected with second collecting filter between servo-valve and the oil pump on the described first supply oil circuit, the second supply oil circuit and the 3rd supply oil circuit.
Described first inlet of supplying with the surplus valve of oil circuit also is parallel with first lubricant passage way and second lubricant passage way that is connected with the wheel box belt wheel, the lubricated interface that each lubricant passage way includes pressure switch, pressure measurement interface and is connected with the wheel box belt wheel.
Be provided with hand-operated direction valve between described surplus valve and the pressure switch, hand-operated direction valve is provided with first spare interface.
Be provided with hand-operated direction valve between servo-valve and the pressure gauge on described second supply oil circuit and the 3rd supply oil circuit, hand-operated direction valve is provided with second spare interface.
Be provided with pressure measuring tie-in between surplus valve and the servo-valve on the described first supply oil circuit, the second supply oil circuit and the 3rd supply oil circuit.
Described oil return oil pump second liquid level relay interior with being arranged at the wheel box belt wheel is connected.Oil circuit, second is supplied with oil circuit to the beneficial effects of the utility model and the 3rd supply oil circuit adopts servo-valve that the flow and the pressure of supply oil circuit are controlled in order to supply with because of of the present utility model first, so compare with the proportional pressure-reducing valve or the proportional flow control valve of existing hydraulic system, the response performance and the control accuracy of total system are higher.First lubricant passage way of supplying with oil circuit is provided with first spare interface, the second supply oil circuit and the 3rd is supplied with oil circuit and is provided with second spare interface, when the user need detect flow on these oil circuits, only needing to connect on spare interface a flowmeter just can measure easily, can save three flowmeters at least like this, save the cost of hydraulic system greatly.
Description of drawings
Fig. 1 is a hydrostatic control schematic diagram of the present utility model;
Among the figure, 1 is fuel tank, and 2 is refrigeratory, 3 is well heater, and 4 is internal temperature sensor, and 5 is liquid level gauge, 6 is external temperature sensor, and 7 is filtrator, and 8 are the interface of changing oil, 9 is first liquid level relay, and 10 is ball valve, and 11 is first collecting filter, 12 is oil pump, and 13 is second collecting filter, and 14 is pressure measuring tie-in, 15 is servo-valve, and 16 is surplus valve, and 17 is flowmeter, 18 is pressure gauge, and 19 is temperature sensor, and 20 is pressure transducer, 21 is hand-operated direction valve, and 22 is first spare interface, and 23 is second spare interface, 24 is pressure switch, and 25 for supplying with interface, and 26 are lubricated interface, 27 is solenoid valve, and 28 is the first supply oil circuit, and 29 is the second supply oil circuit, 30 is the 3rd supply oil circuit, 31 is oil return circuit, and 32 is first lubricant passage way, and 33 is second lubricant passage way, 34 is belt wheel, 35 is second liquid level relay, and 36 is oil well pump, and 37 is stirrer.
Embodiment
With reference to a kind of hydraulic system that is used for electrodeless variable-speed case belt wheel 34 frictional behaviour testing tables shown in the accompanying drawing 1, it comprises that first supplies with oil circuit 28, second supplies with oil circuit 29, the 3rd supplies with oil circuit 30, oil return circuit 31 and fuel tank 1, be provided with well heater 3 in the fuel tank 1, internal temperature sensor 4, refrigeratory 2, stirrer 37 and liquid level gauge 5, fuel tank 1 is provided with and the fuel tank 1 interior external temperature sensor 6 that is communicated with, first liquid level relay 9, the filtrator 7 and the interface 8 of changing oil, refrigeratory 2 comprises and is arranged at the refrigeratory 2 in the fuel tank 1 and is arranged at the outer chilled water feeding pipe of fuel tank 1, it comprises ball valve 10, filtrator 7 and solenoid valve 27, solenoid valve 27 is connected with described external temperature sensor 6; First supplies with oil circuit 28 comprises working connection and first lubricant passage way 32 and second lubricant passage way 33, working connection is provided with ball valve 10, first collecting filter 11, oil pump 12, second collecting filter 13, surplus valve 16, servo-valve 15, flowmeter 17, pressure gauge 18, temperature sensor 19 and fuel feeding interface, ball valve 10 is connected with fuel tank 1 by oil pipe, first collecting filter 11 is connected with ball valve 10, oil pump 12 is connected with first collecting filter 11, when work, oil pump 12 also will be connected with motor provides power, second collecting filter 13 is connected with oil pump 12, second collecting filter 13 is connected with servo-valve 15, between second collecting filter 13 and servo-valve 15, be arranged in parallel surplus valve 16, the outlet of surplus valve 16 is connected with fuel tank 1, make the oil that overflows to be recovered to fuel tank 1 recycling, the outlet of servo-valve 15 is connected with flowmeter 17, the outlet of flowmeter 17 is connected with supply interface 25 by oil pipe, be parallel with pressure gauge 18 and temperature sensor 19 on the oil pipe between flowmeter 17 and the supply interface 25, the inlet of surplus valve 16 is connected with first lubricant passage way 32 and second lubricant passage way 33, first lubricant passage way 32 and second lubricant passage way 33 include pressure switch 24, hand-operated direction valve 21, pressure measuring tie-in 14 and lubricated interface 26, described lubricated interface 26 and supply interface 25 all are rapid-acting coupling, guarantee the efficient and convenient of assembling; Hand-operated direction valve 21 is provided with first spare interface 22, and the lubricant passage way realization is lubricated to wheel box belt wheel 34, and can make it keep minimum oil pressure, prevents oil-filled fast; The second supply oil circuit 29 and the 3rd is supplied with oil circuit 30 and is included ball valve 10, first collecting filter 11, oil pump 12, second collecting filter 13, surplus valve 16, servo-valve 15, hand-operated direction valve 21, pressure gauge 18, pressure transducer 20, temperature sensor 19 and fuel feeding interface, the working connection that the order of connection and first is supplied with oil circuit 28 is identical, supplies with oil circuit 28, second first and supplies with oil circuit 29 and the 3rd and supply with between the surplus valve 16 of oil circuit 30 and the servo-valve 15 and be provided with the pressure measuring tie-in 14 that is used for detecting the oil pipe internal pressure; Pressure gauge 18 detected pressure and pressure transducer 20 compare, and pressure transducer 20 are played the effect of calibration; Oil return circuit 31 comprises ball valve 10, collecting filter and the oil well pump 36 that is connected with wheel box belt wheel 34, the outlet of oil well pump 36 is connected with fuel tank 1, in wheel box belt wheel 34, be provided with second liquid level relay 35, second liquid level relay 35 is connected with oil well pump 36, when detecting liquid level in the wheel box belt wheel 34, second liquid level relay 35 is higher than when subscribing liquid level, second liquid level relay 35 transmits signal and gives oil well pump 36, reduces the oil mass in the wheel box belt wheel 34.
Hydraulic system of the present utility model is a thermal-hydraulic system, and the temperature of its actuating medium is 110 ℃～140 ℃, therefore selected original paper want can satisfied temperature restriction.Well heater 3 that is provided with in the fuel tank 1 and internal temperature sensor 4 and refrigeratory 2 can carry out temperature control to the medium in the fuel tank 1,37 in stirrer can make the medium temperature in the fuel tank 1 even, be arranged at filtrator 7 on the fuel tank 1 impurity in can filtering fuel tank 1, external temperature sensor 6 is used for the solenoid valve 27 of start-up control refrigeratory 2, when temperature in the fuel tank 1 is higher than the reservation temperature, solenoid valve 27 can be received the signal of external temperature sensor 6 and open refrigeratory 2, medium in the fuel tank 1 is lowered the temperature, first liquid level relay 9 can detect the liquid level of medium in the fuel tank 1, the convenient medium that adds, its quality can descend behind the oil work certain hour in the mailbox, when influencing its operate as normal, can change medium in the fuel tank 1 by the interface 8 of changing oil.Adopt servo-valve 15 and temperature sensor 19 because of the present utility model first supplies with oil circuit 28, the closed-loop control of flowmeter 17, so can accurately control the flow and the temperature of the output circuit of the first supply oil circuit 28, supply with oil circuit 29 second, the 3rd supplies with the closed-loop control of adopting servo-valve 15 and temperature sensor 19 and pressure transducer 20 in the oil circuit 30, supply with oil circuit 29 so can accurately control second, the 3rd supplies with the temperature and pressure of the output circuit of oil circuit 30, higher with respect to existing response performance and control accuracy with proportional pressure-reducing valve or proportional flow control valve total system, because in design of Hydraulic System, supply with oil circuit 29 at lubricant passage way and second, be provided with hand-operated direction valve 21 in the 3rd supply oil circuit 30, hand-operated direction valve 21 is provided with second spare interface 23, when the user need detect the flow of these several oil circuits, only need on hand-operated direction valve 21, connect a flowmeter 17 and just can detect, save the production cost of hydraulic system by this set to a great extent.
Claims (10)
1. hydraulic system that is used for electrodeless variable-speed case belt wheel frictional behaviour testing table, it comprises the supply oil circuit, oil return circuit and fuel tank, it is characterized in that: be provided with temperature control equipment and fluid level control device in the described fuel tank, described supply oil circuit comprises that first supplies with oil circuit, second supplies with oil circuit and the 3rd supplies with oil circuit, supply with oil circuit for every and include ball valve, first collecting filter, oil pump, surplus valve, servo-valve, temperature sensor and the supply interface that is connected with the wheel box belt wheel, ball valve is connected with fuel tank by oil pipe, the other end of ball valve is connected with first collecting filter by oil pipe, the other end of first collecting filter is connected with oil pump by oil pipe, the outlet of oil pump is connected with servo-valve by oil pipe, be parallel with surplus valve between oil pump and the servo-valve, the outlet of servo-valve is connected with the supply interface by oil pipe, on the oil pipe between servo-valve and the supply interface, be parallel with temperature sensor, be parallel with pressure transducer between servo-valve and the temperature sensor on described second supply oil circuit and the 3rd supply oil circuit; Also be provided with flowmeter between servo-valve and the temperature sensor on the described first supply oil circuit; Described oil return circuit is provided with oil return ball valve, oil return collecting filter and oil return oil pump, and the oil return ball valve is connected with the wheel box belt wheel by oil pipe, and the oil return ball valve other end connects the oil return collecting filter, and the other end of oil return collecting filter connects the oil return oil pump.
2. the hydraulic system that is used for electrodeless variable-speed case belt wheel frictional behaviour testing table according to claim 1, it is characterized in that: be provided with temperature control equipment and fluid level control device in the described fuel tank, described temperature control equipment comprises well heater, the internal temperature sensor that is connected with well heater, refrigeratory, stirrer, outside fuel tank, also be provided with the external temperature sensor that is communicated with fuel tank internal, described fluid level control device is the liquid level gauge that is arranged in the fuel tank, and fuel tank also is provided with first liquid level relay that is communicated with fuel tank internal outward.
3. the hydraulic system that is used for electrodeless variable-speed case belt wheel frictional behaviour testing table according to claim 1 is characterized in that: also be parallel with pressure gauge between servo-valve and the temperature sensor on the described first supply oil circuit, the second supply oil circuit and the 3rd supply oil circuit.
4. the hydraulic system that is used for electrodeless variable-speed case belt wheel frictional behaviour testing table according to claim 1 is characterized in that: also be provided with the filtrator and the mouth of changing oil on the described fuel tank.
5. the hydraulic system that is used for electrodeless variable-speed case belt wheel frictional behaviour testing table according to claim 1 is characterized in that: be connected with second collecting filter between servo-valve and the oil pump on the described first supply oil circuit, the second supply oil circuit and the 3rd supply oil circuit.
6. the hydraulic system that is used for electrodeless variable-speed case belt wheel frictional behaviour testing table according to claim 1, it is characterized in that: described first inlet of supplying with the surplus valve of oil circuit also is parallel with first lubricant passage way and second lubricant passage way that is connected with the wheel box belt wheel, the lubricated interface that each lubricant passage way includes pressure switch, pressure measurement interface and is connected with the wheel box belt wheel.
7. the hydraulic system that is used for electrodeless variable-speed case belt wheel frictional behaviour testing table according to claim 6, it is characterized in that: be provided with hand-operated direction valve between described surplus valve and the pressure switch, hand-operated direction valve is provided with first spare interface.
8. the hydraulic system that is used for electrodeless variable-speed case belt wheel frictional behaviour testing table according to claim 1, it is characterized in that: be provided with hand-operated direction valve between servo-valve and the pressure gauge on described second supply oil circuit and the 3rd supply oil circuit, hand-operated direction valve is provided with second spare interface.
9. the hydraulic system that is used for electrodeless variable-speed case belt wheel frictional behaviour testing table according to claim 1 is characterized in that: be provided with pressure measuring tie-in between surplus valve and the servo-valve on the described first supply oil circuit, the second supply oil circuit and the 3rd supply oil circuit.
10. the hydraulic system that is used for electrodeless variable-speed case belt wheel frictional behaviour testing table according to claim 1 is characterized in that: described oil return oil pump second liquid level relay interior with being arranged at the wheel box belt wheel is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201629075U CN201653689U (en) | 2010-04-16 | 2010-04-16 | Hydraulic system for belt wheel friction performance test stand of continuously variable transmission gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201629075U CN201653689U (en) | 2010-04-16 | 2010-04-16 | Hydraulic system for belt wheel friction performance test stand of continuously variable transmission gear |
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| Publication Number | Publication Date |
|---|---|
| CN201653689U true CN201653689U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201629075U Expired - Fee Related CN201653689U (en) | 2010-04-16 | 2010-04-16 | Hydraulic system for belt wheel friction performance test stand of continuously variable transmission gear |
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| CN (1) | CN201653689U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354168A (en) * | 2011-06-28 | 2012-02-15 | 重庆青山工业有限责任公司 | Electro-hydraulic control system of high/ low temperature test stand of automobile automation transmission valve body |
| CN104359661A (en) * | 2014-11-11 | 2015-02-18 | 浙江工业大学 | Universal valve performance test device |
| CN105373168A (en) * | 2015-09-29 | 2016-03-02 | 北京航天发射技术研究所 | High precision launching platform switching device control system and control method |
| CN106092800A (en) * | 2016-08-08 | 2016-11-09 | 成都秦川科技发展有限公司 | Gas meter, flow meter valve gap, valve seat wear-resisting detection device |
| CN108535011A (en) * | 2018-03-08 | 2018-09-14 | 山东临工工程机械有限公司 | Loading machine gearbox tests online oil supply system |
| CN109443716A (en) * | 2018-09-30 | 2019-03-08 | 儒拉玛特自动化技术(苏州)有限公司 | Hydraulic pressure testing device |
-
2010
- 2010-04-16 CN CN2010201629075U patent/CN201653689U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354168A (en) * | 2011-06-28 | 2012-02-15 | 重庆青山工业有限责任公司 | Electro-hydraulic control system of high/ low temperature test stand of automobile automation transmission valve body |
| CN102354168B (en) * | 2011-06-28 | 2013-06-12 | 重庆青山工业有限责任公司 | Electro-hydraulic control system of high/ low temperature test stand of automobile automation transmission valve body |
| CN104359661A (en) * | 2014-11-11 | 2015-02-18 | 浙江工业大学 | Universal valve performance test device |
| CN104359661B (en) * | 2014-11-11 | 2017-04-12 | 浙江工业大学 | universal valve performance test device |
| CN105373168A (en) * | 2015-09-29 | 2016-03-02 | 北京航天发射技术研究所 | High precision launching platform switching device control system and control method |
| CN105373168B (en) * | 2015-09-29 | 2018-10-12 | 北京航天发射技术研究所 | A kind of flat pad conversion device control method |
| CN106092800A (en) * | 2016-08-08 | 2016-11-09 | 成都秦川科技发展有限公司 | Gas meter, flow meter valve gap, valve seat wear-resisting detection device |
| CN106092800B (en) * | 2016-08-08 | 2018-08-28 | 成都秦川物联网科技股份有限公司 | The wear-resisting detection device of gas meter, flow meter valve deck, valve seat |
| CN108535011A (en) * | 2018-03-08 | 2018-09-14 | 山东临工工程机械有限公司 | Loading machine gearbox tests online oil supply system |
| CN108535011B (en) * | 2018-03-08 | 2021-06-04 | 山东临工工程机械有限公司 | Loader gearbox test online oil supply system |
| CN109443716A (en) * | 2018-09-30 | 2019-03-08 | 儒拉玛特自动化技术(苏州)有限公司 | Hydraulic pressure testing device |
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| Date | Code | Title | Description |
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| 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: 20101124 Termination date: 20140416 |