CN201792896U - Electric hydraulic power transmission system - Google Patents
Electric hydraulic power transmission system Download PDFInfo
- Publication number
- CN201792896U CN201792896U CN2010202217725U CN201020221772U CN201792896U CN 201792896 U CN201792896 U CN 201792896U CN 2010202217725 U CN2010202217725 U CN 2010202217725U CN 201020221772 U CN201020221772 U CN 201020221772U CN 201792896 U CN201792896 U CN 201792896U
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- electric hydaulic
- steering
- assembly
- power
- oil pump
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- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
The utility model discloses an electric hydraulic power transmission system, which mainly consists of a steering control mechanism, an electric hydraulic power transmission oil pump assembly, a control system, a steering control valve, a steering assembly, a steering transmission mechanism, a steering oil cup assembly, a pipeline, a wire harness, a motor and the like. The motor drives and controls the pressure of the electric hydraulic power transmission oil pump assembly, the control system converts pressure and angular velocity variation into corresponding signals to be output, and the flow rate and the pressure of the oil pump are adjusted by means of controlling revolution of the oil pump so as to provide power for the transmission system. The electric hydraulic power transmission system adopting the technical scheme has the advantages of low noise, capability of saving power, reasonable transmission, portability, safety and the like.
Description
Technical field
The utility model relates to electric hydaulic powered rotation system, specifically is a kind of pure electronic city bus electric hydaulic power drive system.
Background technology
The electric hydaulic power steering system is the critical system that guarantees ride safety of automobile, can reduce the manipulation force of navigating mate, alleviates the labour intensity of chaufeur.According to the requirement of GB7258-2004 " self-propelled vehicle safe in operation engineering factor " 6.9, motor turning axle maximum design axle load should adopt the power steering device during greater than 4000kg.
Harmonious society, people-oriented, and it is very urgent to improve environment for human survival.Energy-saving and emission-reduction are effective measures of environmental protection, and the development of pure electrobus greatly reduces the urban automobile CO2 emissions.Pure electric automobile does not have fuel engines, so all power resources of car load comprise the motor turning force aid system in lithium cell.Because engine fuel is abandoned in the exploitation of pure electric automobile, marry again with the hydraulic power steering system technology in the application of pure electric automobile so will have ripe fuel-engined vehicle now, primarily solve this hydraulic power steering system required drive and come source problem.The electric hydraulic power-assisted steering oil pump assy changes the traditional vehicle engine drive into the direct motor drive of variable-frequency power sources control, the running state of oil pump is separated with driving engine, realization comes the pressure of automatically regulating force aid system according to the rotating speed of external load variation automatic guidance electrical motor, has saved power.
The utility model content
Technical problem to be solved in the utility model provides a kind of city pure electric automobile electric hydaulic power drive system that can regulate force aid system pressure automatically by the rotating speed at control motor that changes according to external load.Another technical matters that will solve of the utility model is an automatically regulating after the assurance electric hydaulic power drive system superpressure, and it is reasonable, light to turn to, and improves the safety performance that turns to.
For solving above technical matters, electric hydaulic powered rotation described in the utility model system by electric hydaulic power steering fluid pump assembly, steering control mechanism, steering control valve, steering assembly, steering gear, turn to lubricating cup assembly, control system, pipeline, wire harness, electrical motor etc. to form, described direct motor drive is also controlled the pressure of electric hydaulic power transmission oil pump assy, control system converts pressure and angular velocity varies to corresponding signal output, by the flow and the pressure of control pump speed adjusting oil pump, for driving system provides power-assisted.
Described electric hydaulic power steering fluid pump assembly is made up of the electrical motor of variable-frequency power sources control oil pump and its rotating speed, and oil pump and electrical motor be assembled into one, and it rotates by direct motor drive
The delivery pressure of described electric hydaulic power steering fluid pump assembly is by the rotating speed control of electrical motor.
The installation site of described electric hydaulic power steering fluid pump assembly is not subjected to the restriction of car load propulsion source installation site.
Described steering control valve is connected with electric hydaulic power steering fluid pump assembly by pipeline, and on it sensor is installed, and moment of torsion that sensor detected and angular signal be from steering control mechanism 1, and is connected with control system by wire harness.
Described steering assembly is to be divided into two die cavities by hydraulic piston, and realizes moving of hydraulic piston by the difference of pressure in two die cavities.
The power input of described steering gear is from steering assembly.
The signal input of described control system is from sensor, and control signal is exported to the electrical motor in the electric hydaulic power steering fluid pump assembly and controlled its rotating speed.
The described lubricating cup assembly that turns to, it links to each other with the power steerig pump assembly with steering control valve respectively by pipeline.
The power supply of described electric hydaulic powered rotation system is from electrokinetic cell.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the surface structure figure of electric hydaulic power steering fluid pump assembly among the utility model embodiment.
The specific embodiment
As shown in Figure 1, electric hydaulic powered rotation of the present utility model system, comprise electric hydaulic power steering fluid pump assembly 2, steering control mechanism 1, steering control valve 4, steering assembly 5, steering gear 6, turn to lubricating cup assembly 7, control system 3, pipeline 8, wire harness 9, described electrical motor 11 drives and controls the pressure of electric hydaulic power transmission oil pump assy 2, control system 3 converts pressure and angular velocity varies to corresponding signal output, by the flow and the pressure of control oil pump 12 speed adjustment oil pumps, for driving system provides power-assisted.Described electric hydaulic power steering fluid pump assembly 2 is made up of the electrical motor 11 of oil pump 12 and variable-frequency power sources control, and oil pump assy and electrical motor be assembled into one, and it rotates by direct motor drive.The delivery pressure of described electric hydaulic power steering fluid pump assembly 2 is by the rotating speed control of electrical motor 11.Described steering control valve 4 is connected with electric hydaulic power steering fluid pump assembly 2 by pipeline 8, and on it sensor is installed, and moment of torsion that sensor detected and angular signal be from steering control mechanism 1, and is connected with control system 3 by wire harness 9.Described steering assembly 5 is to be divided into two die cavities by hydraulic piston 10, and realizes moving of hydraulic piston by the difference of pressure in two die cavities.The power input of described steering gear 6 is from driver assembly 5.The signal input of described control system 3 is from sensor, and control signal is exported to the electrical motor 11 in the electric hydaulic power steering fluid pump assembly 2 and controlled its rotating speed.The described lubricating cup assembly 7 that turns to, it links to each other with power steerig pump assembly 2 with steering control valve 4 respectively by pipeline 8.The power supply of described electric hydaulic powered rotation driving system is provided by electrokinetic cell.
The power that chaufeur puts on the bearing circle is converted into the power that applies moment of torsion and the cireular frequency that puts on the deflecting bar by steering control mechanism 1,4 sensor passes the difference of pressure that the moment of coming converts two-way oil circuit in the steering control valve 4 to steering control mechanism 1 on the steering control valve, simultaneously angular velocity varies is reached steering control valve 4, the pressure of system is changed and angular velocity varies converts corresponding pressure output to by control system 3, realize regulating the flow and the pressure of oil pump by the rotation speed change of oil pump 12, thereby satisfy the power steering demand of steering swivel system.
Claims (9)
1. electric hydaulic power drive system, comprise steering control mechanism (1), electric hydaulic power steering fluid pump assembly (2), control system (3), steering control valve (4), steering assembly (5), steering gear (6), turn to lubricating cup assembly (7), pipeline (8), wire harness (9), electrical motor (11), it is characterized in that: described electrical motor (11) drives and controls the pressure of electric hydaulic power transmission oil pump assy (2), control system (3) converts pressure and angular velocity varies to corresponding signal output, by the flow and the pressure of control oil pump (12) speed adjustment oil pump, for driving system provides power-assisted.
2. electric hydaulic power drive system according to claim 1, it is characterized in that: described electric hydaulic power steering fluid pump assembly (2) is made up of the electrical motor (11) of oil pump (12) and variable-frequency power sources control, and oil pump assy and electrical motor are assembled into one, and it rotates by direct motor drive.
3. electric hydaulic power drive system according to claim 1 is characterized in that: the delivery pressure of described electric hydaulic power steering fluid pump assembly (2) is by the rotating speed control of electrical motor (11).
4. according to the described electric hydaulic power drive system of claim 1, it is characterized in that: described steering control valve (4) is connected with electric hydaulic power steering fluid pump assembly (2) by pipeline (8), and sensor is installed on it, moment of torsion that sensor detected and angular signal be from steering control mechanism (1), and be connected with control system (3) by wire harness (9).
5. electric hydaulic power drive system according to claim 1 is characterized in that: described steering assembly (5) is to be divided into two die cavities by hydraulic piston (10), and realizes moving of hydraulic piston by the difference of pressure in two die cavities.
6. electric hydaulic power drive system according to claim 1 is characterized in that: the power input of described steering gear (6) is from driver assembly (5).
7. according to the described electric hydaulic power drive system of claim 1, it is characterized in that: the signal input of described control system (3) is from sensor, and control signal is exported to the electrical motor (11) in the electric hydaulic power steering fluid pump assembly (2) and controlled its rotating speed.
8. according to the described electric hydaulic power drive system of claim 1, it is characterized in that: the described lubricating cup assembly (7) that turns to, it links to each other with power steerig pump assembly (2) with steering control valve (4) respectively by pipeline (8).
9. electric hydaulic power drive system according to claim 1 is characterized in that: the power supply of described electric hydaulic powered rotation driving system is provided by electrokinetic cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202217725U CN201792896U (en) | 2010-06-10 | 2010-06-10 | Electric hydraulic power transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202217725U CN201792896U (en) | 2010-06-10 | 2010-06-10 | Electric hydraulic power transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201792896U true CN201792896U (en) | 2011-04-13 |
Family
ID=43847816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202217725U Expired - Fee Related CN201792896U (en) | 2010-06-10 | 2010-06-10 | Electric hydraulic power transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201792896U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102419263A (en) * | 2011-09-09 | 2012-04-18 | 沙市久隆汽车动力转向器有限公司 | Noise test bed of recirculating ball type power steering gear |
| CN105383553A (en) * | 2015-11-11 | 2016-03-09 | 淮安信息职业技术学院 | Electro-hydraulic power steering system of pure electric bus |
| CN106121260A (en) * | 2016-02-06 | 2016-11-16 | 上海建工五建集团有限公司 | The hydraulic regulation bar of self adaptation diagonal brace vertical adjustment |
-
2010
- 2010-06-10 CN CN2010202217725U patent/CN201792896U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102419263A (en) * | 2011-09-09 | 2012-04-18 | 沙市久隆汽车动力转向器有限公司 | Noise test bed of recirculating ball type power steering gear |
| CN102419263B (en) * | 2011-09-09 | 2014-02-05 | 沙市久隆汽车动力转向器有限公司 | Noise test bed of recirculating ball type power steering gear |
| CN105383553A (en) * | 2015-11-11 | 2016-03-09 | 淮安信息职业技术学院 | Electro-hydraulic power steering system of pure electric bus |
| CN105383553B (en) * | 2015-11-11 | 2018-03-23 | 江苏大学 | A kind of pure electric coach electric hydraulic power-assisted steering system |
| CN106121260A (en) * | 2016-02-06 | 2016-11-16 | 上海建工五建集团有限公司 | The hydraulic regulation bar of self adaptation diagonal brace vertical adjustment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Henan Shaolin Auto Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20130610 |