CN208069785U - A kind of electric boosting steering system - Google Patents
A kind of electric boosting steering system Download PDFInfo
- Publication number
- CN208069785U CN208069785U CN201721036721.3U CN201721036721U CN208069785U CN 208069785 U CN208069785 U CN 208069785U CN 201721036721 U CN201721036721 U CN 201721036721U CN 208069785 U CN208069785 U CN 208069785U
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- China
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- steering system
- worm screw
- electric boosting
- boosting steering
- motor
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Abstract
The utility model discloses a kind of electric boosting steering systems.The electric boosting steering system is not provided with steering pump, and power-assisted is directly provided by motor, and analyzing driver by control module turns to intention, and execute work by control module control motor acts on wheel steering after steering force is by planetary gear and worm and gear speed governing.
Description
Technical field
The utility model is related to servo steering systems, and in particular to a kind of electric boosting steering system.
Background technology
Traditional automobile-used servo steering system generally provides power by engine, therefore in order to ensure that the safety of vehicle is wanted
The sustainable supply of power steering is sought, engine is difficult to realize idle stop, for the road conditions engine one of urban traffic blocking
It is straight in running order, fuel is not only wasted, but also increase exhaust emissions, especially city bus, due to its needs
It enters the station, is outbound, the time of vehicle start-stop is with regard to longer, and the service time of bus is generally longer, and engine is low for a long time
The influence that efficiency bar makees for energy-saving and emission-reduction is very big.
With the development of Vehicular turn technology, application of the electric hydraulic power-assisted steering on vehicle is also increasing, it makes
Power steering is provided with motor, the bearing data of vehicle traveling is monitored by sensor and various electronic control components, is followed
The size of the state modulators power-assisted such as speed ensures that the safety of vehicle turns to.And for the motorbus such as bus, due to it
The power steering needed is larger, also requires the output torque of motor larger, and there are servo steering system volume is too big
Problem, and since the junction of motor and oil pump often the phenomenon that oil leak can occur because of sealing bad, the reliability of system
It is relatively low, influence the security performance of vehicle.
To solve the above-mentioned problems, the utility model proposes a kind of electric boosting steering systems.The electric power steering system
System is not provided with steering pump, and power-assisted is directly provided by motor, is intended to by analyzing driver and turning to, and is held by control module control motor
Row work acts on wheel steering after planetary gear and worm and gear speed governing.
Utility model content
Existing electric hydraulic power-assisted steering system has that servo steering system volume is too big, and due to motor
Often the phenomenon that oil leak can occur because of sealing bad with the junction of oil pump, the reliability of system is relatively low, influences vehicle
Security performance.
To achieve the above object, the technical solution of the utility model is：
A kind of electric boosting steering system, including input shaft, motor, output shaft, it is characterised in that the input shaft and institute
It states output shaft to connect by one group of worm and gear, the worm screw is planar double-enveloping worm, input axis connection institute
Worm screw first end is stated, the motor is rigidly connected with the worm screw second end, and the output shaft is rigidly connected with the worm gear, and two
Person keeps rotating synchronously；It is equipped with crank at the output shaft, connects wheel of vehicle.
An elastic torsion bar is additionally provided between the input shaft and the worm screw first end, the connecting rod first end connects
The input shaft is connect, the connecting rod second end connects the worm screw first end.
Further, torque sensor is additionally provided between the input shaft and the worm screw, the torque sensor is for examining
Survey torque between the input shaft and the worm screw.The first retarder and second is equipped between the motor and the worm screw to slow down
Device, first and second described retarder use planetary gear structure.
The system is additionally provided with a control module, and the control module is for controlling the motor work, the control mould
Block is powered by vehicle low-tension supply, and the control module connects the torque sensor and the motor.
Compared to existing, the utility model has remarkable advantage and advantageous effect, is embodied as：
Power-assisted directly is provided to electric boosting steering system using motor, substantially reduces servo steering system size, together
When cancel oil pump, reduce because sealing bad and the phenomenon that oil leak occur, improve the reliability of system and the safety of vehicle
Energy.
Description of the drawings
Fig. 1 is the utility model electric boosting steering system connection figure；
Fig. 2 is the utility model electric boosting steering system structure chart.
Specific implementation mode
The specific implementation method of the utility model is as follows：
As depicted in figs. 1 and 2,1 it is input shaft, 2 be output shaft, 3 be motor, 4 be worm gear, 5 be worm screw, 6 is elastic torsion
Bull stick, 7 be the first retarder, 8 be the second retarder, 9 in order to control module, 10 be entire car controller, 11 be torque sensor.
The input shaft 1 connects the elastic torsion bar 6, and the elastic torsion bar 6 connects 5 first end of the worm screw, snail
Bar 5 is matched with the worm gear 4, and the worm gear 4 is rigidly connected with the output shaft 2, and the two keeps rotating synchronously, the output
Axis 2 transmits motion to wheel by crank mechanism again.The motor 3 is subtracted by the first retarder 7 and 8 two-stage of the second retarder
After speed, it is rigidly connected with 5 second end of the worm screw.
It is additionally provided with torque sensor 11 between 5 first end of the input shaft 1 and the worm screw, when input shaft 1 does rotation fortune
When dynamic, elastic torsion bar 6 drives the worm screw 4 while rotating, but because elastic torsion bar 6 will produce certain elastic shape
Become, certain torque is generated between the input shaft 1 and the worm screw 5, the torque sensor 11 is for detecting the input shaft 1
With the torque between the worm screw 4.
The torque numerical value that the control module 9 is detected by torque sensor described in real-time reception 11, and described in receiving
The speed numerical value that entire car controller 10 is sent, by being calculated the control strategy of the motor 3, and by control strategy to described
Motor 3 is sent.
Planetary gear structure can be used in preferred scheme, first retarder, 7 and second retarder 8；The worm screw 5 can be adopted
Use planar double-enveloping worm.
For the exemplary embodiment for the utility model, it should be understood that be the guarantor of claims of the utility model
A certain demonstrative example therein in range is protected, there is the directiveness that those skilled in the art are realized with corresponding technical solution
Effect, rather than the restriction to the utility model.
Claims (8)
1. a kind of electric boosting steering system, including input shaft, motor, output shaft, which is characterized in that the input shaft with it is described
Output shaft is connected by one group of worm and gear, worm screw first end described in the input axis connection, the motor and the worm screw the
Two ends are rigidly connected, and the output shaft is rigidly connected with the worm gear, and the two keeps rotating synchronously；Song is equipped at the output shaft
Handle connects wheel of vehicle.
2. electric boosting steering system according to claim 1, which is characterized in that the input shaft and the worm screw first
An elastic torsion bar is additionally provided between end, the connecting rod first end connects the input shaft, and the connecting rod second end connects
Connect the worm screw first end.
3. electric boosting steering system according to claim 2, which is characterized in that between the input shaft and the worm screw
It is additionally provided with torque sensor, the torque sensor is for detecting torque between the input shaft and the worm screw.
4. electric boosting steering system according to claim 3, which is characterized in that set between the motor and the worm screw
There is the first retarder.
5. electric boosting steering system according to claim 4, which is characterized in that between the motor and the worm screw also
Equipped with the second retarder.
6. electric boosting steering system according to claim 5, which is characterized in that first retarder and described second
Retarder is planetary gear structure.
7. electric boosting steering system according to claim 6, which is characterized in that the worm screw is plane-generated double enveloping ring
Surface-worm.
8. electric boosting steering system according to claim 3, which is characterized in that it is additionally provided with a control module, it is described
Control module is powered for controlling the motor work, the control module by vehicle low-tension supply, and the control module connects
Connect the torque sensor and the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721036721.3U CN208069785U (en) | 2017-08-18 | 2017-08-18 | A kind of electric boosting steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721036721.3U CN208069785U (en) | 2017-08-18 | 2017-08-18 | A kind of electric boosting steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208069785U true CN208069785U (en) | 2018-11-09 |
Family
ID=64033306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721036721.3U Active CN208069785U (en) | 2017-08-18 | 2017-08-18 | A kind of electric boosting steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208069785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109398470A (en) * | 2017-08-18 | 2019-03-01 | 天津市松正电动汽车技术股份有限公司 | A kind of electric boosting steering system and its control method |
-
2017
- 2017-08-18 CN CN201721036721.3U patent/CN208069785U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109398470A (en) * | 2017-08-18 | 2019-03-01 | 天津市松正电动汽车技术股份有限公司 | A kind of electric boosting steering system and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230120 Address after: 300308 Floor 5, Building B, No. 1, West 10th Road, Tianjin Pilot Free Trade Zone (Airport Economic Zone), Binhai New Area, Tianjin Patentee after: Tianjin Songzheng Intelligent Equipment Co.,Ltd. Address before: 300308 No.1, Xishi Road, Tianjin Free Trade Zone (Airport Economic Zone), Binhai New Area, Tianjin Patentee before: TIANJIN SANTROLL ELECTRIC AUTOMOBILE TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |