CN205652199U - Electronic power -assisted steering system and cross country vehicle - Google Patents
Electronic power -assisted steering system and cross country vehicle Download PDFInfo
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- CN205652199U CN205652199U CN201620034916.3U CN201620034916U CN205652199U CN 205652199 U CN205652199 U CN 205652199U CN 201620034916 U CN201620034916 U CN 201620034916U CN 205652199 U CN205652199 U CN 205652199U
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Abstract
The utility model relates to an automobile manufacturing technical field discloses an electronic power -assisted steering system and cross country vehicle, electronic power -assisted steering system includes control module, turns to the oil pipe assembly, hydrostatic steering unit and pull rod assembly, turn to jackshaft assembly and steering oil assembly, control module includes controller, motor and oil pump, controller and whole car CAN bus connection are used for receiving the operating parameter of cross country vehicle, the controller with the motor is connected, still is used for the basis the operating parameter generates the rotational speed signal of motor, the motor with oil pump connection, loop through between steering oil assembly, oil pump, hydrostatic steering unit and the pull rod assembly it connects to turn to the oil pipe assembly, hydrostatic steering unit and pull rod assembly pass through it turns to to turn to the whole car of jackshaft assembly control. The utility model discloses reduce the oil consumption of cross country vehicle, promoted drivability simultaneously.
Description
Technical field
This utility model relates to field of automobile, particularly relates to a kind of electric hydraulic power-assisted steering system
System and offroad vehicle.
Background technology
At present, the oil consumption state of some offroad vehicles cannot meet the oil consumption requirement of country's phase III.For
Vehicle is made to meet the oil consumption requirement of country's phase III, it is necessary to release the scheme reducing oil consumption.Existing more
Wild vehicle is original design for hydraulic power-assisted steering, and owing to the work road conditions of offroad vehicle are the most complicated, uses pure
Electric power steering exists to be arranged and the dual challenge of safety.Therefore, offroad vehicle is made to turn with electric hydaulic power-assisted
To the inexorable trend that is matched as of system, needing a kind of electric hydraulic power-assisted steering system, it can not only drop
Low oil consumption, also should meet the present situation that vehicle drive performance is required increasingly to improve by people.
Utility model content
This utility model provides a kind of electric hydraulic power-assisted steering system and offroad vehicle, in order to reduce oil consumption and to carry
Rise cornering ability.
For solving above-mentioned technical problem, this utility model provides a kind of electric hydraulic power-assisted steering system, is used for
Offroad vehicle, including control module, steering oil pipe assembly, hydraulic steering gear and rod assembly, steering intermediate shaft
Assembly and steering reservoir assembly;Described control module includes controller, motor and oil pump, described controller with
Car load CAN connects, for receiving the operational factor of described offroad vehicle, and described controller and described electricity
Machine connects, and is additionally operable to generate the tach signal of described motor according to described operational factor;Described motor is with described
Oil pump connects;Described steering reservoir assembly, oil pump, between hydraulic steering gear and rod assembly, pass sequentially through institute
State steering oil pipe assembly to connect;Described hydraulic steering gear and rod assembly are by described steering intermediate shaft assembly control
Car load processed turns to.
Preferably, described control module is connected with car load crossbeam by support.
Preferably, described control module is connected with described support by shockproof bolt.
Preferably, described control module is horizontally disposed with, and described control module and described steering oil pipe assembly
Connector is upwards.
Preferably, the operational factor of described offroad vehicle includes speed, engine speed and steering wheel angle.
Preferably, the connection between described control module and described steering oil pipe assembly is interference fit.
This utility model additionally provides a kind of offroad vehicle, including described electric hydraulic power-assisted steering system.
Having the beneficial effect that of technique scheme of the present utility model: reduce the oil consumption of offroad vehicle about
2%~3%, meanwhile, improve vehicle discharge index, make tremendous contribution, offroad vehicle for protection environment
Distribution hydraulic power-assisted steering system, wheel steering hand-power adjustable extent increases, can meet low speed simultaneously drive
Sail light and that scorch feel is heavy steering characteristic, mate electric hydraulic power-assisted steering system technical feasibility
Height, this offroad vehicle mates simple in construction with electric hydraulic power-assisted steering system, changes little to car load environment part,
Coupling cost and expense are low, while solving vehicle oil consumption pressure, are not required to put into substantial contribution and time cost,
Offroad vehicle mates with electric hydraulic power-assisted steering system, i.e. has hydraulic steering system steering wheel road pavement to feed back
Insensitive advantage, has again electric power steering to reduce the advantage of oil consumption, it addition, also meet cross-country vehicle
The feature that work road conditions are complicated, has also filled up domestic electric hydraulic power-assisted steering system and cannot be applied to big axle load
The blank of cross-country vehicle.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below by right
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that below,
Accompanying drawing in description is only embodiments more of the present utility model, comes for those of ordinary skill in the art
Say, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 represents the front view of this utility model embodiment electric hydraulic power-assisted steering system;
Fig. 2 represents the left view of the electric hydraulic power-assisted steering system of this utility model embodiment;
Fig. 3 represents the work process schematic diagram of the electric hydraulic power-assisted steering system of this utility model embodiment;
Detailed description of the invention
Below in conjunction with drawings and Examples, make to retouch the most in detail to detailed description of the invention of the present utility model
State.Following example are used for illustrating this utility model, but are not limited to scope of the present utility model.
As shown in Figure 1, 2, the electric hydraulic power-assisted steering system (being called for short EHPS) of the present embodiment includes:
Control module 1, steering oil pipe assembly 2, hydraulic steering gear and rod assembly 3, steering intermediate shaft assembly 4
With steering reservoir assembly 5.Wherein, control module 1 includes: controller, motor and oil pump.Steering reservoir
Pass sequentially through steering oil pipe assembly 2 between assembly 5, oil pump, hydraulic steering gear and rod assembly 3 to connect,
Specifically, oil pump is connected with the oil-out of steering reservoir assembly 5, the hydraulic oil after oil pump pressurizes is supplied to
Hydraulic steering gear and rod assembly 3, the low pressure oil through hydraulic steering gear and rod assembly 3 is recycled to turn to
Tank unit 5.Described hydraulic steering gear and rod assembly 3 control whole by described steering intermediate shaft assembly 4
Car turns to.
Oil pump in the present embodiment selects gear pump.
Controller is connected with car load CAN by wire harness, to realize communication function, is used for receiving cross-country
The operational factor of car, described operational factor includes: speed, engine speed and steering wheel angle, controller
Being connected with motor, be additionally operable to generate according to described operational factor the tach signal of motor, motor is with gear pump even
Connecing, motor is power output equipment, provides power for EHPS work, and gear pump is responsible for motor power to turn
Turn to hydraulic fluid pressure export to hydraulic steering gear and the steering gear of rod assembly 3, hydraulic steering gear and pull bar
Assembly 3 exports power drive vehicle wheel rotation, completes Vehicular turn function, and controller is receiving speed, sending out
Motivation rotating speed and steering wheel angle also process through calculating after motor output motor tach signal, and output motor turns
Speed signal instruction is to control the rotating speed of motor, and then controls charge oil pressure and the flow of gear pump, it is achieved control
The performances such as steering steering force size and steering reversal characteristic.
Control module 1 is connected with car load crossbeam by support, and the car load parts of fixing control module 1 must have
There are certain rigidity and intensity, to avoid vehicle strenuous vibration to cause control module 1 to damage, control module 1
It is connected with support by shockproof bolt, to prevent earth shock to be delivered to control module 1, thus affects control
The correlation function of module 1, control module 1 is horizontally disposed with, and control module 1 and steering oil pipe assembly 2
Connector upwards, the connection between control module 1 and steering oil pipe assembly 2 is interference fit.
As it is shown on figure 3, the work process principle of the electric hydraulic power-assisted steering system of the present embodiment is: vehicle
When turning to, torque rotary angle transmitter detects steering wheel angle signal, is exported by signal to controller, control
Device processed obtains GES and engine rotational speed signal from car load CAN system simultaneously, and controller is to upper
State signal and carry out calculating process, obtain motor speed and current value, output it to motor, motor output phase
Answering rotating speed and electric current to drive steering pump work, steering pump output hydraulic oil is to hydraulic steering gear and rod assembly 3
Steering gear, hydraulic steering gear and rod assembly 3 export power drive vehicle wheel rotation, Vehicular turn, meanwhile,
By being analyzed calculating to torque corner, GES, vehicle return performance can be controlled.
This utility model additionally provides a kind of offroad vehicle, and described offroad vehicle includes that described electric hydaulic power-assisted turns
To system.
Having the beneficial effect that of technique scheme of the present utility model: reduce the oil consumption of offroad vehicle about
2%~3%, meanwhile, improve vehicle discharge index, make tremendous contribution, offroad vehicle for protection environment
Distribution hydraulic power-assisted steering system, wheel steering hand-power adjustable extent increases, can meet low speed simultaneously drive
Sail light and that scorch feel is heavy steering characteristic, mate electric hydraulic power-assisted steering system technical feasibility
Height, this offroad vehicle mates simple in construction with electric hydraulic power-assisted steering system, changes little to car load environment part,
Coupling cost and expense are low, while solving vehicle oil consumption pressure, are not required to put into substantial contribution and time cost,
Offroad vehicle mates with electric hydraulic power-assisted steering system, i.e. has hydraulic steering system steering wheel road pavement to feed back
Insensitive advantage, has again electric power steering to reduce the advantage of oil consumption, it addition, also meet cross-country vehicle
The feature that work road conditions are complicated, has also filled up domestic electric hydraulic power-assisted steering system and cannot be applied to big axle load
The blank of cross-country vehicle.
The above is only preferred implementation of the present utility model, it is noted that for the art
For those of ordinary skill, on the premise of without departing from this utility model know-why, it is also possible to make some
Improving and replace, these improve and replace and also should be regarded as protection domain of the present utility model.
Claims (7)
1. an electric hydraulic power-assisted steering system, for offroad vehicle, it is characterised in that include control module, steering oil pipe assembly, hydraulic steering gear and rod assembly, steering intermediate shaft assembly and steering reservoir assembly;Described control module includes controller, motor and oil pump, described controller is connected with car load CAN, for receiving the operational factor of described offroad vehicle, described controller is connected with described motor, is additionally operable to generate the tach signal of described motor according to described operational factor;Described motor is connected with described oil pump;Described steering reservoir assembly, oil pump, pass sequentially through between hydraulic steering gear and rod assembly described steering oil pipe assembly connect;Described hydraulic steering gear and rod assembly control car load by described steering intermediate shaft assembly and turn to.
Electric hydraulic power-assisted steering system the most according to claim 1, it is characterised in that described control module is connected with car load crossbeam by support.
Electric hydraulic power-assisted steering system the most according to claim 2, it is characterised in that described control module is connected with described support by shockproof bolt.
Electric hydraulic power-assisted steering system the most according to claim 1, it is characterised in that described control module is horizontally disposed with, and the connector of described control module and described steering oil pipe assembly is upwards.
Electric hydraulic power-assisted steering system the most according to claim 1, it is characterised in that the operational factor of described offroad vehicle includes speed, engine speed and steering wheel angle.
6. according to the electric hydraulic power-assisted steering system in any of the one of claim 1-5, it is characterised in that the connection between described control module and described steering oil pipe assembly is interference fit.
7. an offroad vehicle, it is characterised in that include the electric hydraulic power-assisted steering system in any of the one of claim 1-6.
Priority Applications (1)
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CN201620034916.3U CN205652199U (en) | 2016-01-14 | 2016-01-14 | Electronic power -assisted steering system and cross country vehicle |
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CN201620034916.3U CN205652199U (en) | 2016-01-14 | 2016-01-14 | Electronic power -assisted steering system and cross country vehicle |
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CN205652199U true CN205652199U (en) | 2016-10-19 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106627751A (en) * | 2016-11-19 | 2017-05-10 | 合肥大顷农业智能装备有限公司 | Steering device based on hydraulic steering agricultural machinery |
CN109795549A (en) * | 2018-12-27 | 2019-05-24 | 一汽解放汽车有限公司 | A kind of electric-controlled hydraulic steering system for light truck |
-
2016
- 2016-01-14 CN CN201620034916.3U patent/CN205652199U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106627751A (en) * | 2016-11-19 | 2017-05-10 | 合肥大顷农业智能装备有限公司 | Steering device based on hydraulic steering agricultural machinery |
CN109795549A (en) * | 2018-12-27 | 2019-05-24 | 一汽解放汽车有限公司 | A kind of electric-controlled hydraulic steering system for light truck |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200424 Address after: 100130 Zhaofeng Town, Shunyi District, Beijing Zhaofeng industrial base Tongxin Road No. 1 Patentee after: BAIC GROUP ORV Co.,Ltd. Address before: 101300, 99, Shuanghe Avenue, Renhe Town, Beijing, Shunyi District Patentee before: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE Co.,Ltd. |