CN107985398A - Electric automotive hydraulic power-assisted steering control system and application method - Google Patents
Electric automotive hydraulic power-assisted steering control system and application method Download PDFInfo
- Publication number
- CN107985398A CN107985398A CN201711464697.8A CN201711464697A CN107985398A CN 107985398 A CN107985398 A CN 107985398A CN 201711464697 A CN201711464697 A CN 201711464697A CN 107985398 A CN107985398 A CN 107985398A
- Authority
- CN
- China
- Prior art keywords
- steering
- controller
- pump
- electric powered
- electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/062—Details, component parts
- B62D5/064—Pump driven independently from vehicle engine, e.g. electric driven pump
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/062—Details, component parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/065—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by specially adapted means for varying pressurised fluid supply based on need, e.g. on-demand, variable assist
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/10—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of power unit
- B62D5/14—Rotary motor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Electric automotive hydraulic power-assisted steering control system, including steering reservoir, turning machine, electric powered steering pumps, controller and on, underframe carrier unit, steering reservoir is communicated through oil inlet pipe with the oil inlet that electric powered steering pumps, the oil outlet of electric powered steering pump is communicated through pressure duct with the oil inlet of turning machine, the oil outlet of turning machine is communicated through low pressure line with steering reservoir, electric powered steering pump is electrically connected through control circuit and controller, controller connects circuit through CAN bus, high-pressure connection line road respectively with vehicle CAN bus, vehicle power battery is connected, upper frame carrier unit and steering reservoir, controller is connected, underframe carrier unit is connected with steering pump.The design be applicable not only to electric commercial vehicle, controllability compared with it is strong, handling maneuver effect is preferable, and installation space is larger, can effective anti-vibration, heat dissipation effect is preferable, and fastness is stronger.
Description
Technical field
The present invention relates to a kind of automobile hydraulic steering control system, belongs to automobile steering system technical field, more particularly to
A kind of electric automotive hydraulic power-assisted steering control system and application method, it is particularly applicable to electric commercial vehicle, and strengthen adjustable
Property, improve handling maneuver effect.
Background technology
At present, automobile market is increasing to the demand of electric commercial vehicle, especially electric truck, but due to electric truck
Steering is different from conventional engine truck, and electric truck does not have the steering pump of engine band, loses hydraulic power supply, therefore
New power source can only be considered to configure to provide the hydraulic booster needed for turning to, while must consider new power source and its periphery
The Layout Problem of parts.
Authorization Notice No. is CN202879576U, and authorized announcement date discloses for the utility model patent on April 17th, 2013
A kind of truck turns to radiator, including steering pump, steering reservoir, turns to oil return line, steering gear bracket and steering
Machine, is equipped with a radiator in the steering oil return line between the turning machine and the steering reservoir.Although the design can be
Vehicle heavy duty frequently in the case of steering situation normal operation, reduces the system temperature rate of climb and maximum temperature, but it is still
With following defect：
First, for the hydraulic power supply which uses for steering pump, what it was suitable for is conventional commercial car, and is not applied to
In electric commercial vehicle, and lack supporting control facility, adjustability is weaker, and handling maneuver effect is poor；
Secondly, the body frame structure for automotive of the design is to include two longerons and therebetween the individual layer installation frame of crossbeam, only one layer installation
Space, installation space is smaller, is unfavorable for the installation of newly-increased hydraulic power supply and its auxiliary component, is not also just suitable for electronic business
With the arrangement of steering on car.
The information for disclosing the background section is merely intended to understanding of the increase to the general background of present patent application, without
It should be considered as recognizing or imply that the information structure has been the existing skill well known to persons skilled in the art in any form
Art.
The content of the invention
The purpose of the present invention is overcome it is existing in the prior art be not suitable for electric commercial vehicle, adjustability it is weaker, turn to
The defects of effect of the manipulation is poor and problem, there is provided one kind be suitable for electric commercial vehicle, adjustability compared with it is strong, handling maneuver effect is preferable
Electric automotive hydraulic power-assisted steering control system and application method.
In order to achieve the above object, the technical solution of the present invention is：A kind of electric automotive hydraulic power-assisted steering control
System, including installation frame and the steering reservoir, turning machine and the steering pump that set thereon, the steering reservoir and steering pump oil circuit
Communicate, the installation frame includes frame cross and the left longeron of vehicle frame, the vehicle frame right vertical beam that are connected with its both ends；
The steering pump pumps for electric powered steering, oil inlet of the oil outlet through oil inlet pipe and electric powered steering pump of the steering reservoir
Communicate, the oil outlet of electric powered steering pump is communicated through pressure duct with the oil inlet of turning machine, and the oil outlet of turning machine is through low-voltage tube
Road is communicated with the oil inlet of steering reservoir, and electric powered steering pump is electrically connected through control circuit and controller；
The installation frame further includes frame carrier unit and underframe carrier unit, the diverted machine support of turning machine with
The lateral surface of the left longeron of vehicle frame is connected, the left longeron of vehicle frame, the top of vehicle frame right vertical beam and the bottom phase of upper frame carrier unit
Connection, the top of upper frame carrier unit are arched upward upwards, and underframe carrier unit is provided with below upper frame carrier unit, should
Underframe carrier unit is located between the left longeron of vehicle frame, vehicle frame right vertical beam, the upper frame carrier unit and steering reservoir, control
Device is connected, and the underframe carrier unit and electric powered steering pump are connected, and pressure duct, low pressure line by the road fixture with
It is connected at the top of frame cross.
The electric powered steering pump includes motor and mechanical pump, and motor is connected through flexible clutch with mechanical pump；Described turn
Communicated to oil tank through oil inlet pipe with the mechanical oil inlet of mechanical pump, the mechanical oil outlet of mechanical pump is through pressure duct and turning machine
Communicate, and motor is electrically connected through control circuit and controller.
The low pressure line is steel pipe manufacturing, and the pressure duct includes lengths of steel pipes and flexible tube section, and electric powered steering pump goes out
Hydraulic fluid port communicates after flexible tube section, lengths of steel pipes with the oil inlet of turning machine successively, and the diameter of flexible tube section is more than the diameter of lengths of steel pipes.
The input terminal of the controller through CAN bus connection circuit be connected with vehicle CAN bus, the controller it is defeated
Enter end through high-pressure connection line road with vehicle power battery to be connected, the output terminal of the controller is through control circuit and electric powered steering
Pump is electrically connected.
The upper frame carrier unit include preceding U-shaped beam parallel with frame cross, in U-shaped beam, rear U-shaped beam, it is preceding U-shaped
The spacing of beam and frame cross, in the spacing of the spacing of U-shaped beam and frame cross, rear U-shaped beam and frame cross be sequentially increased, institute
State preceding U-shaped beam, in U-shaped beam, the bottom both ends of rear U-shaped beam longeron all left with vehicle frame, be connected at the top of vehicle frame right vertical beam, preceding U
Type beam, in U-shaped beam, the top of rear U-shaped beam all arch upward upwards；The middle part of the preceding U-shaped beam is through previous beam with the middle part of U-shaped beam
Simultaneously be connected, in another side in the middle part of U-shaped beam be connected through Hou Sanliang, Hou Siliang with after in the middle part of U-shaped beam, previous beam is with turning
It is connected to oil tank, Hou Sanliang, rear four beam are connected with controller.
Steering reservoir mounting hole is offered on the previous beam, the steering reservoir mounting hole is through connecting bolt and bottom installing plate
One side be fixedly connected, the another side of bottom installing plate is connected with one end of wing fixed plate, and the other end and the arc of wing fixed plate are consolidated
The both ends of fixed board are connected, and the middle part of arc fixed plate is connected with the gusset of steering reservoir；Opened up on the Hou Sanliang, rear four beam
There is controller mounting hole, which is connected through connecting bolt with the bottom of controller, connects after being located on bolt
Controller damping cushion is arranged with position between three beams, rear four beam and controller bottom.
The middle part of the preceding U-shaped beam is connected through the one side of previous beam, the first two beam, first three beam, Qian Siliang with the middle part of U-shaped beam
Connect, previous beam, the first two beam, first three beam, Qian Siliang arrange, and be parallel to each other two-by-two successively；Another side in described in the middle part of U-shaped beam
It is connected through latter beam, Hou Erliang, Hou Sanliang, Hou Siliang with after in the middle part of U-shaped beam, latter beam, Hou Erliang, Hou Sanliang, rear four
Beam is arranged successively, and is parallel to each other two-by-two.
The underframe carrier unit includes a word beam, left bottom girder, two crossbeam of right bottom girder, one crossbeam of bottom and bottom, institute
State the both ends of a word beam respectively through a beam connecting seat respectively longeron left with vehicle frame, vehicle frame right vertical beam medial surface be connected, a word
The middle part of beam through left bottom girder, right bottom girder with being connected in the middle part of frame cross, left bottom girder, the top surface of right bottom girder and bottom
One crossbeam, the bottom surface of two crossbeam of bottom are connected, and steering pump mounting hole is provided with one crossbeam of bottom, two crossbeam of bottom, steering pump peace
Dress hole is connected after connection bolt, pump damping cushion with the bottom of electric powered steering pump successively.
A kind of application method of above-mentioned electric automotive hydraulic power-assisted steering control system, the application method include
The circulation of steering hydraulic oil at least once, the circulation of a steering hydraulic oil comprise the following steps：
Steering hydraulic oil is first flowed into electric powered steering pump through oil inlet pipe from steering reservoir and is pressurized, the steering hydraulic after supercharging
Oil is flowed out from electric powered steering pump again, and is flowed into through pressure duct in turning machine, acts on the oil warp of the steering hydraulic after turning machine
Low pressure line returns to steering reservoir to complete the circulation of a steering hydraulic oil, wherein, steering hydraulic oil is pumped in electric powered steering
Supercharging is controlled by controller by control circuit.
The controller is controlled the knot including any one in following two techniques or two kinds by control circuit
Close：
The first technique：Vehicle CAN bus determines the electricity that whether controller works and controller exports through CAN bus connection circuit
Pressure and frequency, to adjust the working time of electric powered steering pump and rotating speed；
Second of technique：Vehicle power battery inputs high voltage direct current, high voltage direct current warp through high-pressure connection line road direction controller
Controller becomes alternating current, and controller pumps input AC electricity to drive electric powered steering to pump work through control circuit to electric powered steering again
Make, the frequency of alternating current determines the motor speed in electric powered steering pump, and motor determines turning for the mechanical pump in electric powered steering pump
Speed, and then the supercharging to steering hydraulic oil in mechanical pump is controlled.
Compared with prior art, beneficial effects of the present invention are：
1st, in electric automotive hydraulic power-assisted steering control system and application method of the present invention, electric powered steering is pumped as hydraulic pressure and is moved
Power source so that steering reservoir, hydraulic power supply, steering mechanism into a closed loop steering hydraulic oil circulation so that be applicable in
In electric commercial vehicle, meanwhile, also have additional controller and electric powered steering pump is controlled, to adjust electric powered steering pump output hydraulic pressure
The flow of oil, strengthens the portability of handling maneuver.Therefore, the present invention is applicable not only to electric commercial vehicle, and handling maneuver is imitated
Fruit is preferable.
2nd, in electric automotive hydraulic power-assisted steering control system and application method of the present invention, the input terminal warp of controller
CAN bus connection circuit is connected with vehicle CAN bus, meanwhile, the input terminal of controller is moved through high-pressure connection line road with vehicle
Power battery is connected, in use, vehicle CAN bus, vehicle power battery via controller are adjusted and control to electric powered steering pump
System, wherein, vehicle CAN bus can adjust the working time and rotating speed that electric powered steering pumps by controller, according to demand rationally
The power of electric powered steering pump is adjusted, so that electric quantity consumption is effectively reduced, energy conservation and environmental protection, and vehicle power battery general rule via controller
To electric powered steering pump input AC electricity, to drive electric powered steering pump work, the frequency of alternating current determines the electricity of electric powered steering pump
The mechanical revolution speed of machine rotating speed, i.e. electric powered steering pump, and then determine the flow of steering hydraulic oil in mechanical pump.Therefore, it is of the invention
Controllability it is stronger, handling maneuver effect is preferable.
3rd, in electric automotive hydraulic power-assisted steering control system and application method of the present invention, frame rack list is had additional
Member, underframe carrier unit with the arrangement suitable for steering on electric commercial vehicle, wherein, three in upper frame carrier unit
It is connected at the top of the bottom of single u-shaped beam longeron left with vehicle frame, vehicle frame right vertical beam, the top of U-shaped beam is arched upward upwards, underframe branch
Frame unit is set less than upper frame carrier unit, and underframe carrier unit is sandwiched between the left longeron of vehicle frame, vehicle frame right vertical beam, the skill
Art feature causes the design to possess upper and lower two layers of installation space, has not only expanded installation space, but also upper and lower two layers of installation is empty
Between independently of each other, do not interfere with each other, beneficial to newly-increased hydraulic power supply and its auxiliary component, even the installation of remaining new assembly.
Therefore, not only installation space is larger by the present invention, but also suitable for steering arrangement on electric commercial vehicle.
4th, in electric automotive hydraulic power-assisted steering control system and application method of the present invention, upper frame carrier unit is through car
The left longeron of frame, vehicle frame right vertical beam are connected with frame cross and underframe carrier unit, be configured to one interconnection it is whole
Body, possesses stronger stability, especially when between adjacent U-shaped beam by previous beam, the first two beam, first three beam, Qian Siliang, latter
Beam, Hou Erliang, Hou Sanliang, Hou Siliang are attached, and bottom girder unit include left bottom girder, right bottom girder, one crossbeam of bottom with
During two crossbeam of bottom, fastness is stronger, and installation position is more, installation space bigger.Therefore, not only fastness is stronger by the present invention, and
And installation space is larger.
5th, in electric automotive hydraulic power-assisted steering control system and application method of the present invention, low pressure line is steel pipe system
Make, pressure duct includes lengths of steel pipes and flexible tube section, and lengths of steel pipes, flexible tube section crimping are structure as a whole, the oil outlet of electric powered steering pump
Communicated successively after flexible tube section, lengths of steel pipes with the oil inlet of turning machine, in use, lengths of steel pipes, the combination of flexible tube section can subtract
Few connector, reduces oil leak risk, meanwhile, flexible tube section can also prevent that vibrations drive pipe joint to loosen during electric powered steering pump work,
Oil leak is avoided, in addition, the steel-tube construction in low pressure line, pressure duct not only facilitates pipe clamp to fix, but also can effectively be radiated.Cause
This, the present invention can not only effectively anti-vibration, avoid oil leak, and easy to it is fixed, heat dissipation effect is preferable.
6th, in electric automotive hydraulic power-assisted steering control system and application method of the present invention, in the lower section of electric powered steering pump
Pump damping cushion is provided with, meanwhile, controller damping cushion is provided with below controller, which possesses stronger buffering
Effect so that the vibrations very little suffered by steering, beneficial to the parts of protection internal system, is hardly damaged it.Therefore,
The buffering effect of the present invention is preferable, and security is stronger.
Brief description of the drawings
Fig. 1 is the control strategy figure of the present invention.
Fig. 2 is the structure diagram of the present invention.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the structure diagram of installation frame in the present invention.
Fig. 5 is the structure diagram of upper frame carrier unit in the present invention.
Fig. 6 is upper frame carrier unit, the assembling schematic diagram of controller in the present invention.
Fig. 7 is upper frame carrier unit, the assembling schematic diagram of steering reservoir in the present invention.
Fig. 8 is steering reservoir in Fig. 7, the enlarged diagram of previous beam assembly relation.
Fig. 9 is the structure diagram of underframe carrier unit in the present invention.
Figure 10 is the assembling schematic diagram of underframe carrier unit, steering pump in the present invention.
Figure 11 is the structure diagram that electric powered steering pumps in the present invention.
Figure 12 is the structure diagram of mesohigh pipeline of the present invention.
In figure：The left longeron 11 of frame cross 1, vehicle frame, vehicle frame right vertical beam 12, upper frame carrier unit 2, preceding U-shaped beam 21, in
U-shaped beam 22, rear U-shaped beam 23, previous beam 24, the first two beam 241, first three beam 242, preceding four beam 243, latter beam 25, rear two beam 251,
Three beams 252, rear four beam 253, underframe carrier unit 3, a word beam 31, beam connecting seat 32, left bottom girder 33, right bottom girder afterwards
34th, one crossbeam 35 of bottom, two crossbeam 36 of bottom, steering reservoir 4, oil inlet pipe 41, bottom installing plate 42, wing fixed plate 43, arc fixed plate
44th, steering reservoir mounting hole 45, turning machine 5, low pressure line 51, steering gear bracket 52, electric powered steering pump 6, pressure duct 61, steel
Pipeline section 611, flexible tube section 612, motor 62, mechanical pump 63, steering pump mounting hole 64, pump damping cushion 65, mechanical oil inlet 631,
Mechanical oil outlet 632, controller 7, control circuit 71, controller mounting hole 72, controller damping cushion 73, vehicle CAN bus
8th, CAN bus connection circuit 81, vehicle power battery 9, high-pressure connection line road 91, pipeline fixture 10, connection bolt 13.
Embodiment
Below in conjunction with brief description of the drawings, the present invention is described in further detail with embodiment.
Referring to Fig. 1 to Figure 12, a kind of electric automotive hydraulic power-assisted steering control system, including installation frame and set thereon
Steering reservoir 4, turning machine 5 and the steering pump put, the steering reservoir 4 are communicated with steering pump oil circuit, and the installation frame includes
Frame cross 1 and the left longeron 11 of the vehicle frame being connected with its both ends, vehicle frame right vertical beam 12；
The steering pump is electric powered steering pump 6, and the oil outlet of the steering reservoir 4 pumps 6 through oil inlet pipe 41 and electric powered steering
Oil inlet communicates, electric powered steering pump 6 oil outlet communicated through pressure duct 61 with the oil inlet of turning machine 5, turning machine 5 it is fuel-displaced
Mouth is communicated through low pressure line 51 with the oil inlet of steering reservoir 4, and electric powered steering pump 6 is carried out through control circuit 71 and controller 7
It is electrically connected；
The installation frame further includes frame carrier unit 2 and underframe carrier unit 3, the diverted machine branch of turning machine 5
The lateral surface of the longeron 11 left with vehicle frame of frame 52 is connected, the left longeron 11 of vehicle frame, top and the upper frame rack of vehicle frame right vertical beam 12
The bottom of unit 2 is connected, and the top of upper frame carrier unit 2 is arched upward upwards, and the lower section of upper frame carrier unit 2 is provided with down
Frame rack unit 3, the underframe carrier unit 3 are located between the left longeron 11 of vehicle frame, vehicle frame right vertical beam 12, the upper frame branch
Frame unit 2 is connected with steering reservoir 4, controller 7, and the underframe carrier unit 3 is connected with electric powered steering pump 6, and high
Fixture 10 is connected with the top of frame cross 1 by the road for pressure pipe road 61, low pressure line 51.
The electric powered steering pump 6 includes motor 62 and mechanical pump 63, and motor 62 is connected through flexible clutch with mechanical pump 63
Connect；The steering reservoir 4 is communicated through oil inlet pipe 41 with the mechanical oil inlet 631 of mechanical pump 63, mechanical pump 63 it is mechanical fuel-displaced
Mouth 632 is communicated through pressure duct 61 with turning machine 5, and motor 62 is electrically connected through control circuit 71 and controller 7.
The low pressure line 51 is steel pipe manufacturing, and the pressure duct 61 includes lengths of steel pipes 611 and flexible tube section 612, electronic
The oil outlet of steering pump 6 communicates after flexible tube section 612, lengths of steel pipes 611 with the oil inlet of turning machine 5 successively, and flexible tube section 612
Diameter is more than the diameter of lengths of steel pipes 611.
The input terminal of the controller 7 is connected through CAN bus connection circuit 81 with vehicle CAN bus 8, the controller
7 input terminal is connected through high-pressure connection line road 91 with vehicle power battery 9, and the output terminal of the controller 7 is through control circuit
71 are electrically connected with electric powered steering pump 6.
The upper frame carrier unit 2 include preceding U-shaped beam 21 parallel with frame cross 1, in U-shaped beam 22, rear U-shaped beam
23, the spacing of preceding U-shaped beam 21 and frame cross 1, in U-shaped beam 22 and spacing, rear U-shaped beam 23 and the frame cross 1 of frame cross 1
Spacing be sequentially increased, the preceding U-shaped beam 21, in U-shaped beam 22, the bottom both ends of rear U-shaped beam 23 longeron 11 all left with vehicle frame, car
The top of frame right vertical beam 12 is connected, preceding U-shaped beam 21, in U-shaped beam 22, the top of rear U-shaped beam 23 all arch upward upwards；The preceding U
Through previous beam 24, the one side at the middle part of U-shaped beam 22 with is connected at the middle part of type beam 21, in the U-shaped middle part of beam 22 another side three after
Beam 252, rear four beam 253 are connected with the middle part of rear U-shaped beam 23, and previous beam 24 is connected with steering reservoir 4, rear three beam 252, after
Four beams 253 are connected with controller 7.
Offer steering reservoir mounting hole 45 on the previous beam 24, the steering reservoir mounting hole 45 through connect bolt 13 with
The one side of bottom installing plate 42 is fixedly connected, and the another side of bottom installing plate 42 is connected with one end of wing fixed plate 43, wing fixed plate
43 other end is connected with the both ends of arc fixed plate 44, and the middle part of arc fixed plate 44 is connected with the gusset of steering reservoir 4；Institute
Three beams 252 after stating, offer controller mounting hole 72 on rear four beam 253, and the controller mounting hole 72 is through connecting bolt 13 and control
The bottom of device 7 processed is connected, and connects the position between 7 bottom of rear three beam 252, rear four beam 253 and controller on bolt 13
On be arranged with controller damping cushion 73.
The middle part of the preceding U-shaped beam 21 U-shaped beam with through previous beam 24, the first two beam 241, first three beam 242, preceding four beam 243
The one side at 22 middle parts is connected, and previous beam 24, the first two beam 241, first three beam 242, preceding four beam 243 are arranged successively, and mutual two-by-two
It is parallel；In described the another side at the middle part of U-shaped beam 22 through latter beam 25, after two beams 251, after three beams 252, after four beams 253 with after it is U-shaped
The middle part of beam 23 is connected, and latter beam 25, rear two beam 251, rear three beam 252, rear four beam 253 are arranged successively, and mutually flat two-by-two
OK.
The underframe carrier unit 3 includes a word beam 31, left bottom girder 33, right bottom girder 34, one crossbeam 35 of bottom and bottom
Two crossbeams 36, the both ends of the word beam 31 are respectively through a beam connecting seat 32 longeron 11 left with vehicle frame, vehicle frame right vertical beam 12 respectively
Medial surface be connected, the middle part of a word beam 31 is connected through left bottom girder 33, right bottom girder 34 with the middle part of frame cross 1,
Left bottom girder 33, the top surface of right bottom girder 34 are connected with the bottom surface of one crossbeam 35 of bottom, two crossbeam 36 of bottom, one crossbeam 35 of bottom, bottom
Steering pump mounting hole 64 is provided with two crossbeams 36, the steering pump mounting hole 64 is successively through connecting bolt 13, pump damping cushion 65
The bottom with electric powered steering pump 6 is connected afterwards.
A kind of application method of above-mentioned electric automotive hydraulic power-assisted steering control system, the application method include
The circulation of steering hydraulic oil at least once, the circulation of a steering hydraulic oil comprise the following steps：
Steering hydraulic oil is first flowed into electric powered steering pump 6 through oil inlet pipe 41 from steering reservoir 4 and is pressurized, the steering after supercharging
Hydraulic oil is flowed out from electric powered steering pump 6 again, and is flowed into through pressure duct 61 in turning machine 5, acts on the steering after turning machine 5
Hydraulic oil returns to steering reservoir 4 to complete the circulation of a steering hydraulic oil through low pressure line 51, wherein, steering hydraulic oil is in electricity
The supercharging of dynamic steering pump 6 is controlled by controller 7 by control circuit 71.
The controller 7 is controlled including any one in following two techniques or two kinds by control circuit 71
With reference to：
The first technique：Vehicle CAN bus 8 determines whether controller 7 works and controller 7 is defeated through CAN bus connection circuit 81
The voltage and frequency gone out, to adjust the working time of electric powered steering pump 6 and rotating speed；
Second of technique：Vehicle power battery 9 inputs high voltage direct current, high voltage direct current through high-pressure connection line road 91 to controller 7
Electric via controller 7 becomes alternating current, and it is electronic to drive that controller 7 pumps 6 input AC electricity through control circuit 71 to electric powered steering again
Steering pump 6 works, and the frequency of alternating current determines 62 rotating speed of motor in electric powered steering pump 6, and motor 62 determines electric powered steering pump 6
In mechanical pump 63 rotating speed, and then the supercharging to steering hydraulic oil in mechanical pump 63 is controlled.
The principle of the present invention is described as follows：
The present invention is pumped using electric hydraulic power-assisted steering（Abbreviation electric powered steering pumps）With instead of conventional pumps, so as to adapt to electronic commercialization
Car steering（It is particularly suitable for the electric truck of tilt cab）Normal performance, meanwhile, specially match somebody with somebody for electric powered steering pump
There is controller to strengthen controllability, improve the convenience of handling maneuver.Further, it is contemplated that the control strategy of electric powered steering pump and zero
Part is arranged, specially devises a kind of double-deck arrangement frame to realize the installation of each parts in steering, the bilayer
Arrange that frame mainly includes upper frame carrier unit and underframe carrier unit.
During installation, upper frame carrier unit is located at the left longeron of vehicle frame, the top of vehicle frame right vertical beam, underframe carrier unit position
Between the left longeron of vehicle frame, vehicle frame right vertical beam, upper frame carrier unit is responsible for being attached with steering reservoir, controller, lower frame
Frame carrier unit is responsible for being attached with steering pump, meanwhile, the diverted machine support of the left longeron of vehicle frame is connected with turning machine.It is double-deck
Arrangement frame possess up and down two sheaf spaces, installation site is very much, and installation space is very big, and upper and lower sheaf space is not interfere with each other, mutually
Do not influence, not only beneficial to installation, dismounting and the maintenance of electric powered steering pump and control assembly, but also can be used for arranging other total
Into improving its cost performance.Installed in addition, upper strata installation space coordinates with vehicle frame top airfoil, lower floor's installation space and vehicle frame bottom wing
Face coordinates installation, and forms one by means of frame cross, more firm, especially when between adjacent U-shaped beam by previous beam,
The first two beam, first three beam, Qian Siliang, latter beam, Hou Erliang, Hou Sanliang, Hou Siliang are attached, and when bottom girder unit includes a left side
When bottom girder, right bottom girder, one crossbeam of bottom and two crossbeam of bottom, fastness is stronger, and installation position is more, installation space bigger.This
Outside, although steering reservoir, electric powered steering pump, controller are arranged in frame inside according to arrangement in the attached drawing of the design,
It is opposite to keep right, but the design does not limit in this way, the design, which can also carry out accommodation, parts or so, replaces position：Use
Put on the turning machine right side in the vehicle of structure；Steering reservoir, electric powered steering pump and controller arrangement can also be according to different vehicles
Integrated planning, is arranged in vehicle frame left side or other positions；Pipeline trend can also carry out appropriate adjustment.
In application, steering hydraulic oil is pumped from steering reservoir through oil inlet pipe to electric powered steering, arrived after boosting through pressure duct
Turning machine, acts on after turning machine and returns to steering reservoir through low pressure line, complete a steering hydraulic oil in steering hydraulic pipeline
Circulation.Vehicle CAN bus connects circuit by CAN bus and is connected with controller, determines what whether controller worked and exported
Voltage and frequency；Vehicle power battery is connected by high-pressure connection line road with controller, in order to control device input high voltage direct current；Control
Device processed is connected by connecting circuit with electric powered steering pump, and high voltage direct current becomes to exchange electric drive electric powered steering pump by controller
Work, the frequency of alternating current determine the rotating speed of the rotating speed of the motor in electric powered steering pump, i.e. mechanical pump in electric powered steering pump,
And then determine the flow of steering hydraulic oil in mechanical pump.Vehicle CAN bus adjusts the work that electric powered steering pumps by controller
Time and rotating speed, the power that rationally adjustment electric powered steering pumps according to demand, can effectively reduce electric quantity consumption, energy conservation and environmental protection.Originally set
Meter can be also reduced to：The alternating current of frequency is determined in setting controller output, and the motor during driving electric powered steering pumps is permanent rotating speed,
That is mechanical pump perseverance rotating speed.
Embodiment 1：
Referring to Fig. 1 to Figure 12, a kind of electric automotive hydraulic power-assisted steering control system, including installation frame and set thereon
Steering reservoir 4, turning machine 5 and steering pump, the steering reservoir 4 are communicated with steering pump oil circuit, and the installation frame includes vehicle frame
Crossbeam 1 and the left longeron 11 of the vehicle frame being connected with its both ends, vehicle frame right vertical beam 12；The steering pump is electric powered steering pump 6, described
The oil outlet of steering reservoir 4 is communicated through oil inlet pipe 41 with the oil inlet of electric powered steering pump 6, the oil outlet warp of electric powered steering pump 6
Pressure duct 61 is communicated with the oil inlet of turning machine 5, oil inlet of the oil outlet through low pressure line 51 Yu steering reservoir 4 of turning machine 5
Mouth communicates, and electric powered steering pump 6 is electrically connected through control circuit 71 and controller 7；The installation frame further includes frame
Carrier unit 2 and underframe carrier unit 3, the lateral surface phase of the diverted machine support 52 of turning machine 5 longeron 11 left with vehicle frame
Connection, the left longeron 11 of vehicle frame, the top of vehicle frame right vertical beam 12 are connected with the bottom of upper frame carrier unit 2, upper frame rack
The top of unit 2 is arched upward upwards, and the lower section of upper frame carrier unit 2 is provided with underframe carrier unit 3, the underframe stent list
Member 3 is between the left longeron 11 of vehicle frame, vehicle frame right vertical beam 12, the upper frame carrier unit 2 and steering reservoir 4,7 phase of controller
Connection, the underframe carrier unit 3 and electric powered steering pump 6 and are connected, and pressure duct 61, low pressure line 51 fixture by the road
10 are connected with the top of frame cross 1.
A kind of application method of above-mentioned electric automotive hydraulic power-assisted steering control system, the application method include
The circulation of steering hydraulic oil at least once, the circulation of a steering hydraulic oil comprise the following steps：Steering hydraulic oil is first from steering
Oil tank 4 is flowed into electric powered steering pump 6 through oil inlet pipe 41 and is pressurized, and the steering hydraulic oil after supercharging is again from electric powered steering pump 6
Middle outflow, and flowed into through pressure duct 61 in turning machine 5, the steering hydraulic oil acted on after turning machine 5 is returned through low pressure line 51
To steering reservoir 4 with complete a steering hydraulic oil circulation, wherein, steering hydraulic oil electric powered steering pump 6 supercharging by controlling
Device 7 processed is controlled by control circuit 71.
Embodiment 2：
With embodiment 1, difference is substance：
The electric powered steering pump 6 includes motor 62 and mechanical pump 63, and motor 62 is connected through flexible clutch with mechanical pump 63；Institute
State steering reservoir 4 to communicate with the mechanical oil inlet 631 of mechanical pump 63 through oil inlet pipe 41, the mechanical oil outlet 632 of mechanical pump 63
Communicated through pressure duct 61 with turning machine 5, and motor 62 is electrically connected through control circuit 71 and controller 7.The low-voltage tube
Road 51 is steel pipe manufacturing, and the pressure duct 61 includes lengths of steel pipes 611 and flexible tube section 612, and the oil outlet of electric powered steering pump 6 is successively
Communicated after flexible tube section 612, lengths of steel pipes 611 with the oil inlet of turning machine 5, and the diameter of flexible tube section 612 is more than lengths of steel pipes 611
Diameter.
Embodiment 3：
With embodiment 1, difference is substance：
The input terminal of the controller 7 is connected through CAN bus connection circuit 81 with vehicle CAN bus 8, the controller 7
Input terminal is connected through high-pressure connection line road 91 with vehicle power battery 9, the output terminal of the controller 7 through control circuit 71 with
Electric powered steering pump 6 is electrically connected.
The controller 7 is controlled including any one in following two techniques or two kinds by control circuit 71
With reference to：The first technique：Vehicle CAN bus 8 determines whether controller 7 works and controller 7 is defeated through CAN bus connection circuit 81
The voltage and frequency gone out, to adjust the working time of electric powered steering pump 6 and rotating speed；Second of technique：Vehicle power battery 9 is through height
Pressure connection circuit 91 inputs high voltage direct current to controller 7, and high voltage direct current via controller 7 becomes alternating current, and controller 7 passes through again
Control circuit 71 pumps 6 input AC electricity to drive 6 work of electric powered steering pump to electric powered steering, and the frequency of alternating current determines electronic
62 rotating speed of motor in steering pump 6, motor 62 determine the rotating speed of the mechanical pump 63 in electric powered steering pump 6, and then to mechanical pump 63
The supercharging of interior steering hydraulic oil is controlled.
Embodiment 4：
With embodiment 1, difference is substance：
The upper frame carrier unit 2 include preceding U-shaped beam 21 parallel with frame cross 1, in U-shaped beam 22, rear U-shaped beam 23,
The spacing of preceding U-shaped beam 21 and frame cross 1, in U-shaped beam 22 and spacing, rear U-shaped beam 23 and the frame cross 1 of frame cross 1
Spacing is sequentially increased, the preceding U-shaped beam 21, in U-shaped beam 22, the bottom both ends of rear U-shaped beam 23 longeron 11 all left with vehicle frame, vehicle frame
The top of right vertical beam 12 is connected, preceding U-shaped beam 21, in U-shaped beam 22, the top of rear U-shaped beam 23 all arch upward upwards；It is described preceding U-shaped
Through previous beam 24, the one side at the middle part of U-shaped beam 22 with is connected at the middle part of beam 21, in the U-shaped middle part of beam 22 another side after three beams
252nd, rear four beam 253 is connected with the middle part of rear U-shaped beam 23, and previous beam 24 is connected with steering reservoir 4, rear three beam 252, rear four
Beam 253 is connected with controller 7.
Embodiment 5：
With embodiment 4, difference is substance：
Steering reservoir mounting hole 45 is offered on the previous beam 24, which pacifies through connecting bolt 13 bottom of with
The one side of loading board 42 is fixedly connected, and the another side of bottom installing plate 42 is connected with one end of wing fixed plate 43, wing fixed plate 43
The other end is connected with the both ends of arc fixed plate 44, and the middle part of arc fixed plate 44 is connected with the gusset of steering reservoir 4；After described
Controller mounting hole 72 is offered on three beams 252, rear four beam 253, the controller mounting hole 72 is through connecting bolt 13 and controller 7
Bottom be connected, connect and be arranged on bolt 13 on position between 7 bottom of rear three beam 252, rear four beam 253 and controller
There is controller damping cushion 73.The middle part of the preceding U-shaped beam 21 is through previous beam 24, the first two beam 241, first three beam 242, Qian Siliang
243 one side with the middle part of U-shaped beam 22 is connected, and previous beam 24, the first two beam 241, first three beam 242, preceding four beam 243 are arranged successively
Cloth, and be parallel to each other two-by-two；In described the another side at the middle part of U-shaped beam 22 through latter beam 25, after two beams 251, after three beams 252, after
Four beams 253 are connected with the middle part of rear U-shaped beam 23, and latter beam 25, rear two beam 251, rear three beam 252, rear four beam 253 are arranged successively
Cloth, and be parallel to each other two-by-two.
Embodiment 6：
With embodiment 1, difference is substance：
It is horizontal that the underframe carrier unit 3 includes a word beam 31, left bottom girder 33, right bottom girder 34, one crossbeam 35 of bottom and bottom two
Beam 36, the both ends of the word beam 31 respectively through a beam connecting seat 32 respectively longeron 11 left with vehicle frame, in vehicle frame right vertical beam 12
Side is connected, and the middle part of a word beam 31 is connected through left bottom girder 33, right bottom girder 34 with the middle part of frame cross 1, left bottom
Longeron 33, the top surface of right bottom girder 34 are connected with the bottom surface of one crossbeam 35 of bottom, two crossbeam 36 of bottom, and one crossbeam 35 of bottom, bottom two are horizontal
Steering pump mounting hole 64 is provided with beam 36, the steering pump mounting hole 64 successively after connection bolt 13, pump damping cushion 65 with
The bottom of electric powered steering pump 6 is connected.
Claims (10)
1. a kind of electric automotive hydraulic power-assisted steering control system, including installation frame and the steering reservoir that sets thereon（4）、
Turning machine（5）With steering pump, the steering reservoir（4）Communicated with steering pump oil circuit, the installation frame includes frame cross（1）
And the left longeron of vehicle frame being connected with its both ends（11）, vehicle frame right vertical beam（12）, it is characterised in that：
The steering pump pumps for electric powered steering（6）, the steering reservoir（4）Oil outlet through oil inlet pipe（41）With electric powered steering
Pump（6）Oil inlet communicate, electric powered steering pump（6）Oil outlet through pressure duct（61）With turning machine（5）Oil inlet communicate,
Turning machine（5）Oil outlet through low pressure line（51）With steering reservoir（4）Oil inlet communicate, and electric powered steering pump（6）Through control
Circuit processed（71）With controller（7）It is electrically connected；
The installation frame further includes frame carrier unit（2）With underframe carrier unit（3）, the turning machine（5）Through turning
To machine support（52）With the left longeron of vehicle frame（11）Lateral surface be connected, the left longeron of vehicle frame（11）, vehicle frame right vertical beam（12）Top
Portion and upper frame carrier unit（2）Bottom be connected, upper frame carrier unit（2）Top arch upward upwards, upper frame rack
Unit（2）Lower section be provided with underframe carrier unit（3）, the underframe carrier unit（3）Positioned at the left longeron of vehicle frame（11）, car
Frame right vertical beam（12）Between, the upper frame carrier unit（2）With steering reservoir（4）, controller（7）It is connected, the lower frame
Frame carrier unit（3）Pumped with electric powered steering（6）It is connected, and pressure duct（61）, low pressure line（51）Fixture by the road（10）
With frame cross（1）Top be connected.
A kind of 2. electric automotive hydraulic power-assisted steering control system according to claim 1, it is characterised in that：The electricity
Dynamic steering pump（6）Including motor（62）With mechanical pump（63）, motor（62）Through flexible clutch and mechanical pump（63）It is connected；Institute
State steering reservoir（4）Through oil inlet pipe（41）With mechanical pump（63）Mechanical oil inlet（631）Communicate, mechanical pump（63）Machinery
Oil outlet（632）Through pressure duct（61）With turning machine（5）Communicate, and motor（62）Through control circuit（71）With controller（7）
It is electrically connected.
A kind of 3. electric automotive hydraulic power-assisted steering control system according to claim 2, it is characterised in that：It is described low
Pressure pipe road（51）For steel pipe manufacturing, the pressure duct（61）Including lengths of steel pipes（611）With flexible tube section（612）, electric powered steering pump
（6）Oil outlet successively through flexible tube section（612）, lengths of steel pipes（611）Afterwards with turning machine（5）Oil inlet communicate, and flexible tube section
（612）Diameter be more than lengths of steel pipes（611）Diameter.
A kind of 4. electric automotive hydraulic power-assisted steering control system according to claim 1,2 or 3, it is characterised in that：
The controller（7）Input terminal through CAN bus connect circuit（81）With vehicle CAN bus（8）It is connected, the controller
（7）Input terminal through high-pressure connection line road（91）With vehicle power battery（9）It is connected, the controller（7）Output terminal warp
Control circuit（71）Pumped with electric powered steering（6）It is electrically connected.
A kind of 5. electric automotive hydraulic power-assisted steering control system according to claim 1,2 or 3, it is characterised in that：
The upper frame carrier unit（2）Including with frame cross（1）Parallel preceding U-shaped beam（21）, in U-shaped beam（22）, rear U-shaped beam
（23）, preceding U-shaped beam（21）With frame cross（1）Spacing, in U-shaped beam（22）With frame cross（1）Spacing, rear U-shaped beam
（23）With frame cross（1）Spacing be sequentially increased, the preceding U-shaped beam（21）, in U-shaped beam（22）, rear U-shaped beam（23）Bottom
Both ends all with the left longeron of vehicle frame（11）, vehicle frame right vertical beam（12）Top be connected, preceding U-shaped beam（21）, in U-shaped beam（22）, rear U
Type beam（23）Top all arch upward upwards；The preceding U-shaped beam（21）Middle part through previous beam（24）The U-shaped beam with（22）Middle part
Simultaneously be connected, in U-shaped beam（22）The another side at middle part three beam after（252）, Hou Siliang（253）With rear U-shaped beam（23）In
Portion is connected, previous beam（24）With steering reservoir（4）It is connected, Hou Sanliang（252）, Hou Siliang（253）With controller（7）It is connected
Connect.
A kind of 6. electric automotive hydraulic power-assisted steering control system according to claim 5, it is characterised in that：Before described
One beam（24）On offer steering reservoir mounting hole（45）, the steering reservoir mounting hole（45）Through connecting bolt（13）Installed the bottom of with
Plate（42）One side be fixedly connected, bottom installing plate（42）Another side and wing fixed plate（43）One end be connected, wing fixed plate
（43）The other end and arc fixed plate（44）Both ends be connected, arc fixed plate（44）Middle part and steering reservoir（4）Gusset
It is connected；Three beams after described（252）, Hou Siliang（253）On offer controller mounting hole（72）, the controller mounting hole（72）
Through connecting bolt（13）With controller（7）Bottom be connected, connect bolt（13）It is upper to be located at rear three beam（252）, Hou Siliang
（253）With controller（7）Controller damping cushion is arranged with position between bottom（73）.
A kind of 7. electric automotive hydraulic power-assisted steering control system according to claim 5, it is characterised in that：Before described
U-shaped beam（21）Middle part through previous beam（24）, the first two beam（241）, first three beam（242）, Qian Siliang（243）The U-shaped beam with（22）
The one side at middle part is connected, previous beam（24）, the first two beam（241）, first three beam（242）, Qian Siliang（243）Arrange successively, and two
Two are parallel to each other；U-shaped beam in described（22）The another side at middle part is through latter beam（25）, Hou Erliang（251）, Hou Sanliang（252）, after
Four beams（253）With rear U-shaped beam（23）Middle part be connected, latter beam（25）, Hou Erliang（251）, Hou Sanliang（252）, Hou Siliang
（253）Arrange, and be parallel to each other two-by-two successively.
A kind of 8. electric automotive hydraulic power-assisted steering control system according to claim 1,2 or 3, it is characterised in that：
The underframe carrier unit（3）Including a word beam（31）, left bottom girder（33）, right bottom girder（34）, one crossbeam of bottom（35）With
Two crossbeam of bottom（36）, the word beam（31）Both ends respectively through a beam connecting seat（32）Respectively with the left longeron of vehicle frame（11）, car
Frame right vertical beam（12）Medial surface be connected, Yi Ziliang（31）Middle part through left bottom girder（33）, right bottom girder（34）With vehicle frame
Crossbeam（1）Middle part be connected, left bottom girder（33）, right bottom girder（34）Top surface and one crossbeam of bottom（35）, two crossbeam of bottom
（36）Bottom surface be connected, one crossbeam of bottom（35）, two crossbeam of bottom（36）On be provided with steering pump mounting hole（64）, steering pump peace
Fill hole（64）Successively through connecting bolt（13）, pump damping cushion（65）Pumped afterwards with electric powered steering（6）Bottom be connected.
A kind of 9. application method of the electric automotive hydraulic power-assisted steering control system described in claim 1, it is characterised in that：
The application method includes the circulation of steering hydraulic oil at least once, and the circulation of a steering hydraulic oil includes following step
Suddenly：
Steering hydraulic oil is first from steering reservoir（4）Through oil inlet pipe（41）Flow into electric powered steering pump（6）In be pressurized, after supercharging
Steering hydraulic oil again from electric powered steering pump（6）Middle outflow, and through pressure duct（61）Flow into turning machine（5）In, act on and turn
To machine（5）Steering hydraulic oil afterwards is through low pressure line（51）Return to steering reservoir（4）To complete the circulation of a steering hydraulic oil,
Wherein, steering hydraulic oil is pumped in electric powered steering（6）Supercharging by controller（7）Pass through control circuit（71）It is controlled.
10. a kind of application method of electric automotive hydraulic power-assisted steering control system according to claim 9, its feature
It is：The controller（7）Pass through control circuit（71）It is controlled including any one in following two techniques or two kinds
Combination：
The first technique：Vehicle CAN bus（8）Circuit is connected through CAN bus（81）Determine controller（7）Whether work and control
Device（7）The voltage and frequency of output, to adjust electric powered steering pump（6）Working time and rotating speed；
Second of technique：Vehicle power battery（9）Through high-pressure connection line road（91）To controller（7）High voltage direct current is inputted, it is high
Straightening galvanic electricity via controller（7）Become alternating current, controller（7）Again through control circuit（71）Pumped to electric powered steering（6）Input is handed over
Galvanic electricity is to drive electric powered steering to pump（6）Work, the frequency of alternating current determine that electric powered steering pumps（6）In motor（62）Rotating speed,
Motor（62）Determine electric powered steering pump（6）In mechanical pump（63）Rotating speed, and then to mechanical pump（63）Interior steering hydraulic oil
Supercharging is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711464697.8A CN107985398B (en) | 2017-12-28 | 2017-12-28 | Electro-hydraulic power-assisted steering control system for automobile and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711464697.8A CN107985398B (en) | 2017-12-28 | 2017-12-28 | Electro-hydraulic power-assisted steering control system for automobile and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107985398A true CN107985398A (en) | 2018-05-04 |
| CN107985398B CN107985398B (en) | 2023-05-12 |
Family
ID=62042294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711464697.8A Active CN107985398B (en) | 2017-12-28 | 2017-12-28 | Electro-hydraulic power-assisted steering control system for automobile and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107985398B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497963A (en) * | 2019-07-25 | 2019-11-26 | 东风商用车有限公司 | A kind of electric powered steering oil pump assy application method |
| CN110509988A (en) * | 2019-07-25 | 2019-11-29 | 东风商用车有限公司 | A kind of integrated form double source EHPS system |
| CN112208629A (en) * | 2020-09-25 | 2021-01-12 | 东风商用车有限公司 | Heat dissipation type steering oil pump assembly |
| CN113320593A (en) * | 2021-06-28 | 2021-08-31 | 东风汽车股份有限公司 | Power steering system of miniature commercial vehicle |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1363662A (en) * | 1971-06-10 | 1974-08-14 | Brown Tractors Ltd | Power steering mechanism |
| US20010045318A1 (en) * | 1998-07-10 | 2001-11-29 | Chaojiu Wang | Hydraulic power steering device |
| EP2554420A1 (en) * | 2011-07-30 | 2013-02-06 | MAN Truck & Bus AG | Electric drive module for a vehicle, in particular a commercial vehicle |
| CN202965929U (en) * | 2012-12-20 | 2013-06-05 | 东风汽车有限公司 | Hybrid power truck provided with multiple electric accessories |
| EP2692568A1 (en) * | 2012-08-03 | 2014-02-05 | MAN Truck & Bus AG | Routing of cables for commercial vehicles |
| CN104590366A (en) * | 2015-01-16 | 2015-05-06 | 东风商用车有限公司 | Integrated arranging system for steering system of whole-bearing hybrid power bus |
| CN104590364A (en) * | 2015-01-16 | 2015-05-06 | 东风商用车有限公司 | Prone arrangement structure of full-load low-driving-region long-front-suspension coach steering system |
| CN204452597U (en) * | 2015-03-03 | 2015-07-08 | 中国重汽集团济南动力有限公司 | A kind of pure electronic light truck car load electric control element sectional shelf-unit |
| EP2913215A1 (en) * | 2014-02-27 | 2015-09-02 | Iseki & Co., Ltd. | Working vehicle |
| CN205273598U (en) * | 2015-12-22 | 2016-06-01 | 安徽安凯汽车股份有限公司 | Electronic power assisted steering pump installing support |
| CN205292779U (en) * | 2016-01-07 | 2016-06-08 | 东风商用车有限公司 | Large -scale electronic power -assisted steering system of concentrated formula of arranging of bearing passenger train entirely |
| CN105667583A (en) * | 2016-01-07 | 2016-06-15 | 东风商用车有限公司 | Centralized arrangement type electric hydraulic power steering system for large-scale full-bearing passenger car |
| CN106915384A (en) * | 2017-04-01 | 2017-07-04 | 厦门市福工动力技术有限公司 | The control system and its control method of a kind of electric hydraulic power-assisted steering |
-
2017
- 2017-12-28 CN CN201711464697.8A patent/CN107985398B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1363662A (en) * | 1971-06-10 | 1974-08-14 | Brown Tractors Ltd | Power steering mechanism |
| US20010045318A1 (en) * | 1998-07-10 | 2001-11-29 | Chaojiu Wang | Hydraulic power steering device |
| EP2554420A1 (en) * | 2011-07-30 | 2013-02-06 | MAN Truck & Bus AG | Electric drive module for a vehicle, in particular a commercial vehicle |
| EP2692568A1 (en) * | 2012-08-03 | 2014-02-05 | MAN Truck & Bus AG | Routing of cables for commercial vehicles |
| CN202965929U (en) * | 2012-12-20 | 2013-06-05 | 东风汽车有限公司 | Hybrid power truck provided with multiple electric accessories |
| EP2913215A1 (en) * | 2014-02-27 | 2015-09-02 | Iseki & Co., Ltd. | Working vehicle |
| CN104590364A (en) * | 2015-01-16 | 2015-05-06 | 东风商用车有限公司 | Prone arrangement structure of full-load low-driving-region long-front-suspension coach steering system |
| CN104590366A (en) * | 2015-01-16 | 2015-05-06 | 东风商用车有限公司 | Integrated arranging system for steering system of whole-bearing hybrid power bus |
| CN204452597U (en) * | 2015-03-03 | 2015-07-08 | 中国重汽集团济南动力有限公司 | A kind of pure electronic light truck car load electric control element sectional shelf-unit |
| CN205273598U (en) * | 2015-12-22 | 2016-06-01 | 安徽安凯汽车股份有限公司 | Electronic power assisted steering pump installing support |
| CN205292779U (en) * | 2016-01-07 | 2016-06-08 | 东风商用车有限公司 | Large -scale electronic power -assisted steering system of concentrated formula of arranging of bearing passenger train entirely |
| CN105667583A (en) * | 2016-01-07 | 2016-06-15 | 东风商用车有限公司 | Centralized arrangement type electric hydraulic power steering system for large-scale full-bearing passenger car |
| CN106915384A (en) * | 2017-04-01 | 2017-07-04 | 厦门市福工动力技术有限公司 | The control system and its control method of a kind of electric hydraulic power-assisted steering |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497963A (en) * | 2019-07-25 | 2019-11-26 | 东风商用车有限公司 | A kind of electric powered steering oil pump assy application method |
| CN110509988A (en) * | 2019-07-25 | 2019-11-29 | 东风商用车有限公司 | A kind of integrated form double source EHPS system |
| CN112208629A (en) * | 2020-09-25 | 2021-01-12 | 东风商用车有限公司 | Heat dissipation type steering oil pump assembly |
| CN113320593A (en) * | 2021-06-28 | 2021-08-31 | 东风汽车股份有限公司 | Power steering system of miniature commercial vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107985398B (en) | 2023-05-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107985398A (en) | Electric automotive hydraulic power-assisted steering control system and application method | |
| US8186154B2 (en) | Rotary flow control valve with energy recovery | |
| CN101558245B (en) | Hydraulic circuit arrangement for controlling a hybrid clutch and an automatic gearbox on a motor vehicle | |
| JP5699041B2 (en) | Brake control device | |
| CN111824251B (en) | Energy-saving intelligent electro-hydraulic steering system and control method | |
| CN102530152A (en) | Device mounting structure for motorcycle | |
| CN105774668A (en) | Body structure of work vehicle and oil supply feeding structure of hydrostatic stepless speed change device | |
| CN105752152A (en) | Electric hydraulic power steering system for automobile | |
| CN107407294B (en) | Hydraulic machinery suspension for vehicle | |
| CN207875754U (en) | Electric automotive hydraulic power-assisted steering control system | |
| EP1979220A1 (en) | Control system for frame-steering of a vehicle and method for controlling two steering cylinders in a frame-steered vehicle | |
| CN207389305U (en) | Electric truck sectional shelf-unit assembly | |
| CN205292779U (en) | Large -scale electronic power -assisted steering system of concentrated formula of arranging of bearing passenger train entirely | |
| CN107985408A (en) | Commercial car transfer and periphery assembly rebuilding frame | |
| CN212172363U (en) | Electric automobile's front deck support module and front deck | |
| CN207195340U (en) | Hydraulic guide control valve group and dumper | |
| CN108032902A (en) | Commercial car electric hydraulic power-assisted steering device and application method | |
| CN109109646B (en) | Hydraulic suspension rigidity adjusting system, rigidity adjusting method and automobile | |
| CN102501906A (en) | Structural arrangement system of ahead driving region in air-conditioning state of 18-m rapid bus | |
| CN207875760U (en) | Commercial car transfer and periphery assembly rebuilding frame | |
| CN207875755U (en) | Commercial car electric hydraulic power-assisted steering device | |
| CN206466020U (en) | A kind of fire fighting truck chassis special arrangement and modular construction | |
| CN103144620B (en) | Brake system used for vehicle, and method used for at least three wheels of brake vehicle | |
| CN100360354C (en) | Integrated hydraulic control unit of electronic stabilized programm of anti-locking system for car | |
| CN105667583B (en) | The centralized arrangement formula electric hydraulic power-assisted steering system of large-scale all-loading coach |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |