CN207875755U - Commercial car electric hydraulic power-assisted steering device - Google Patents
Commercial car electric hydraulic power-assisted steering device Download PDFInfo
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- CN207875755U CN207875755U CN201721881060.4U CN201721881060U CN207875755U CN 207875755 U CN207875755 U CN 207875755U CN 201721881060 U CN201721881060 U CN 201721881060U CN 207875755 U CN207875755 U CN 207875755U
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Abstract
A kind of commercial car electric hydraulic power-assisted steering device, including steering reservoir, turning machine, electric powered steering pump and controller, wherein, 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, and controller is connected with vehicle CAN bus, vehicle power battery respectively through CAN bus connection line, high-pressure connection line road.The design be applicable not only to electric commercial vehicle, handling maneuver effect preferably, controllability it is stronger, and installation space is larger, is conducive to be applicable in electric hydraulic power-assisted steering pipeline on electric commercial vehicle, can effective anti-vibration, heat dissipation effect is preferable.
Description
Technical field
The utility model is related to vehicle hydraulic pressure steering more particularly to a kind of commercial car electric hydraulic power-assisted steering to fill
It sets, it is particularly applicable to electric commercial vehicles, and can enhance handling maneuver effect.
Background technology
Currently, demand of the automobile market to electric commercial vehicle is increasing, 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, therefore, it is badly in need of the hydraulic rotation to existing commercial car
It is improved to system, to be suitable for electric commercial vehicle.
Authorization Notice No. is CN204055378U, and authorized announcement date is that the utility model patent on December 31st, 2014 discloses
A kind of pure electric vehicle double steering system and pure electric vehicle, including driving motor, power takeoff, electric powered steering oil circuit and emergent turn to
Oil circuit, electric powered steering oil circuit include sequentially connected steering reservoir, electric powered steering oil pump, emergency valve, turning machine and steering cylinder,
The emergent oil circuit that turns to includes steering reservoir and emergent steering pump, and the import of the oil outlet and emergency valve of steering pump of meeting an urgent need connects
Logical, steering pump of meeting an urgent need uses mechanical-hydraulic boost pump, the mechanical-hydraulic boost pump to be connect with driving motor by power takeoff.Though
By the electricity of power battery all on driving motor, being used again than shunting can reduce by a transformation on electric compressor for the right design
The loss of unsteady flow improves the energy-saving effect of vehicle, but it still has following defect：
First, the hydraulic steering system in the design includes steering reservoir, turning machine, electric powered steering oil pump, steering cylinder,
Wherein, terminal of the steering cylinder as steering hydraulic oil is core component, causes in steering reservoir, turning machine, electric rotating
To the steering hydraulic oil circulation for not constituting closed loop between oil pump, it is unfavorable for promoting and applying on existing electric commercial vehicle, this
Outside, amount of parts is more, needs more installation space, further increases the difficulty of application；
Secondly, this is configured as the steering cylinder of core and the electric powered steering oil pump of important component all lacks control
It sets up and applies, adjustability is weaker, and handling maneuver effect is poor.
The information for disclosing the background technology part is merely intended to increase the understanding to the general background of present patent application, without
It should be considered as recognizing or implying in any form that information composition has been the existing skill well known to persons skilled in the art
Art.
Invention content
Electric commercial vehicle, handling maneuver effect are not suitable for it the purpose of the utility model is to overcome existing in the prior art
Poor defect and problem provides one kind and is helped suitable for electric commercial vehicle, the preferable commercial car electric hydaulic of handling maneuver effect
Power transfer.
In order to achieve the above object, the technical solution of the utility model is：A kind of commercial car electric hydraulic power-assisted steering
Device, including steering reservoir, turning machine and steering pump, and steering reservoir is communicated with steering pump oil circuit；
The commercial car electric hydraulic power-assisted steering device further includes controller, and steering pump pumps for electric powered steering；It is described
The oil outlet of steering reservoir is communicated through oil inlet pipe with the oil inlet that electric powered steering pumps, and the oil outlet of electric powered steering pump is through high-voltage tube
Road is communicated with the oil inlet of turning machine, and the oil outlet of turning machine is communicated through low pressure line with the oil inlet of steering reservoir, and electronic
Steering pump is electrically connected through control circuit and controller.
The electric powered steering pump includes motor and mechanical pump, and motor is connected through flexible clutch with mechanical pump.
The steering reservoir is communicated through oil inlet pipe with the mechanical oil inlet of mechanical pump, and the mechanical oil outlet of mechanical pump is through height
Pressure pipe road is communicated with turning machine；The motor is electrically connected through control circuit and controller.
The input terminal of the controller is connected through CAN bus connection line with vehicle CAN bus, the controller it is defeated
Enter end through high-pressure connection line road to be connected with vehicle power battery, the output end of the controller is through control circuit and electric powered steering
Pump is electrically connected.
The high-pressure connection line road direction controller exports direct current, and the control circuit pumps output exchange to electric powered steering
Electricity.
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 diverted machine support of turning machine is connected with the lateral surface of the left longeron of vehicle frame, the medial surface warp of the left longeron of vehicle frame
Frame cross is connected with the medial surface of vehicle frame right vertical beam, the left longeron of vehicle frame, the top of vehicle frame right vertical beam and upper frame rack list
Member is connected, and the lower frame carrier unit parallel with frame cross, the lower frame are provided with below upper frame carrier unit
The both ends of carrier unit are connected with the medial surface of the left longeron of vehicle frame, vehicle frame right vertical beam, and upper frame carrier unit and steering oil
Tank, controller are connected, and lower frame carrier unit and electric powered steering pump are connected, pressure duct, low pressure line fixture by the road
It is connected at the top of frame cross.
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
Beam, in U-shaped beam, rear U-shaped beam bottom both ends be all connected at the top of the left longeron of vehicle frame, vehicle frame right vertical beam, preceding U-shaped beam, middle U
Type beam, rear U-shaped beam top all arch upward upwards；The middle part of the preceding U-shaped beam is connected through one side of the previous beam in the middle part of U-shaped beam
Connect, in another side in the middle part of U-shaped beam be connected in the middle part of U-shaped beam with after through Hou Sanliang, Hou Siliang, previous beam and steering reservoir phase
Connection, Hou Sanliang, rear four beam are connected with controller；The lower frame carrier unit includes a word beam and beam connecting seat, described
The both ends of one word beam are respectively connected with the medial surface of the left longeron of vehicle frame, vehicle frame right vertical beam through a beam connecting seat respectively, Yi Ziliang
Middle part through being connected in the middle part of left bottom girder, right bottom girder and frame cross, left bottom girder, the top surface of right bottom girder and bottom one
Crossbeam, two crossbeam of bottom bottom surface be connected, one crossbeam of bottom, two crossbeam of bottom top surface and electric powered steering pump be connected.
Compared with prior art, the beneficial effects of the utility model are：
1, in the utility model commercial car electric hydraulic power-assisted steering device, it regard electric powered steering pump as hydraulic power supply,
So that steering reservoir, hydraulic power supply, steering mechanism at a closed loop steering hydraulic oil circulation, to suitable for electronic
Commercial car, meanwhile, it also has additional controller and electric powered steering pump is controlled, to adjust the stream that electric powered steering pumps output hydraulic pressure oil
Amount, enhances the portability of handling maneuver.Therefore, the utility model is applicable not only to electric commercial vehicle, and handling maneuver effect
Preferably.
2, in the utility model commercial car electric hydraulic power-assisted steering device, the input terminal of controller is connected through CAN bus
Circuit is connected with vehicle CAN bus, meanwhile, the input terminal of controller is connected through high-pressure connection line road with vehicle power battery
It connects, in use, vehicle CAN bus, vehicle power battery via controller are adjusted and control to electric powered steering pump, wherein whole
Vehicle CAN bus can adjust working time and the rotating speed of electric powered steering pump by controller, rationally adjust electric rotating according to demand
To the power of pump, to effectively reduce electric quantity consumption, energy conservation and environmental protection, and vehicle power battery general rule via controller is to electric powered steering
Input AC electricity is pumped, to drive electric powered steering pump work, the frequency of alternating current determines the motor speed of electric powered steering pump, i.e., electric
The mechanical revolution speed of dynamic steering pump, and then determine the flow of steering hydraulic oil in mechanical pump.Therefore, the controllability of the utility model
Relatively strong, handling maneuver effect is preferable.
3, in the utility model commercial car electric hydraulic power-assisted steering device, low pressure line is steel pipe manufacturing, pressure duct
Including lengths of steel pipes and flexible tube section, lengths of steel pipes, flexible tube section crimping are structure as a whole, and the oil outlet of electric powered steering pump is successively through hose
It communicates with the oil inlet of turning machine after section, lengths of steel pipes, in use, lengths of steel pipes, the combination of flexible tube section can reduce connector, reduces
Oil leak risk, meanwhile, flexible tube section can also prevent vibrations when electric powered steering pump work from pipe joint being driven to loosen, and avoid oil leak, this
Outside, the steel-tube construction in low pressure line, pressure duct not only facilitates pipe clamp to fix, but also can effectively radiate.Therefore, this practicality is new
Type can not only effectively anti-vibration, avoid oil leak, and convenient for fixed, heat dissipation effect is preferable.
4, in the utility model commercial car electric hydraulic power-assisted steering device, frame carrier unit and lower frame are had additional
Carrier unit, wherein upper frame carrier unit is for assembling steering reservoir, controller, and lower frame carrier unit is for assembling electricity
Dynamic steering pump, meanwhile, pressure duct, low pressure line are connected at the top of fixture and frame cross by the road, which can not only
Upper and lower two layers of installation space is provided, and is not interfere with each other, is conducive to various zero involved by arrangement assembly steering hydraulic oil circuit
Part reduces installation difficulty.Therefore, the utility model installation space is larger, is helped conducive to electric hydaulic is applicable on electric commercial vehicle
Power turns to pipeline.
Description of the drawings
Fig. 1 is the control strategy figure of the utility model.
Fig. 2 is the assembling schematic diagram of the utility model.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the structural schematic diagram of upper frame carrier unit in Fig. 2.
Fig. 5 is the structural schematic diagram of lower frame carrier unit in Fig. 2.
Fig. 6 is the structural schematic diagram that electric powered steering pumps in Fig. 5.
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, rear three beam 25, rear four beam 26, lower frame carrier unit 3, a word beam 31, beam connection
Seat 32, left bottom girder 33, right bottom girder 34, one crossbeam 35 of bottom, two crossbeam 36 of bottom, steering reservoir 4, oil inlet pipe 41, turning machine
5, low pressure line 51, steering gear bracket 52, electric powered steering pump 6, pressure duct 61, lengths of steel pipes 611, flexible tube section 612, motor 62,
Mechanical pump 63, mechanical oil inlet 631, mechanical oil outlet 632, controller 7, control circuit 71, vehicle CAN bus 8, CAN bus
Connection line 81, vehicle power battery 9, high-pressure connection line road 91, pipeline fixture 10.
Specific implementation mode
The utility model is described in further detail below in conjunction with description of the drawings and specific implementation mode.
Referring to Fig. 1 to Fig. 6, a kind of commercial car electric hydraulic power-assisted steering device, including steering reservoir 4, turning machine 5 with turn
To pump, and steering reservoir 4 is communicated with steering pump oil circuit；
The commercial car electric hydraulic power-assisted steering device further includes controller 7, and steering pump is that electric powered steering pumps 6；Institute
The oil outlet for stating steering reservoir 4 is communicated through oil inlet pipe 41 with the oil inlet of electric powered steering pump 6, the oil outlet of electric powered steering pump 6
Communicated with the oil inlet of turning machine 5 through pressure duct 61, the oil outlet of turning machine 5 through low pressure line 51 and steering reservoir 4 into
Hydraulic fluid port communicates, and electric powered steering pump 6 is electrically connected through control circuit 71 and controller 7.
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
It connects.
The steering reservoir 4 is communicated through oil inlet pipe 41 with the mechanical oil inlet 631 of mechanical pump 63, the machinery of mechanical pump 63
Oil outlet 632 is communicated through pressure duct 61 with turning machine 5；The motor 62 is electrically connected through control circuit 71 and controller 7.
The input terminal of the controller 7 is connected through CAN bus connection line 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 end of the controller 7 is through control circuit
71 are electrically connected with electric powered steering pump 6.
The high-pressure connection line road 91 exports direct current to controller 7, and the control circuit 71 is exported to electric powered steering pump 6
Alternating current.
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 lateral surface of the left longeron of 5 diverted machine support 52 of the turning machine and vehicle frame 11 is connected, the left longeron of vehicle frame 11
Medial surface is connected through frame cross 1 with the medial surface of vehicle frame right vertical beam 12, the left longeron 11 of vehicle frame, vehicle frame right vertical beam 12 top
It is connected with upper frame carrier unit 2, the lower section of upper frame carrier unit 2 is provided with the lower frame parallel with frame cross 1
The both ends of carrier unit 3, the lower frame carrier unit 3 are connected with the medial surface of the left longeron 11 of vehicle frame, vehicle frame right vertical beam 12, and
Upper frame carrier unit 2 is connected with steering reservoir 4, controller 7, and lower frame carrier unit 3 is connected with electric powered steering pump 6,
Fixture 10 is connected with the top of frame cross 1 by the road for pressure duct 61, low pressure line 51.
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, preceding U-shaped beam 21, in U-shaped beam 22, rear U-shaped beam 23 top of the bottom both ends all with the left longeron 11 of vehicle frame, vehicle frame right vertical beam 12
Be connected, preceding U-shaped beam 21, in U-shaped beam 22, rear U-shaped beam 23 top all arch upward upwards；The middle part of the preceding U-shaped beam 21 is premenstrual
One beam 24 middle part of U-shaped beam 22 in being connected on one side, in U-shaped beam 22 middle part another side after through three beams 25, after four beams 26 and
The middle part of U-shaped beam 23 is connected afterwards, and previous beam 24 is connected with steering reservoir 4, rear three beam 25, rear four beam 26 and 7 phase of controller
Connection；The lower frame carrier unit 3 includes a word beam 31 and beam connecting seat 32, and the both ends of the word beam 31 are respectively through a beam
Connecting seat 32 is connected with the medial surface of the left longeron 11 of vehicle frame, vehicle frame right vertical beam 12 respectively, and the middle part of a word beam 31 is vertical through left bottom
Beam 33, right bottom girder 34 are connected with the middle part of frame cross 1, one crossbeam of left bottom girder 33, the top surface of right bottom girder 34 and bottom
35, the bottom surface of two crossbeam 36 of bottom is connected, and one crossbeam 35 of bottom, the top surface of two crossbeam 36 of bottom and electric powered steering pump 6 are connected.
The principles of the present invention are described as follows：
To ensure that normal performance of the steering on electric commercial vehicle, the ad hoc meter electric hydaulic power-assisted of the utility model turn
To pump（Referred to as electric powered steering pumps）Using as hydraulic power supply, meanwhile, it specially can to enhance equipped with controller for electric powered steering pump
Control property, improves the convenience of handling maneuver.
In application, steering hydraulic oil is pumped from steering reservoir through oil inlet pipe to electric powered steering, arrived through pressure duct after boosting
Turning machine acts on after turning machine and returns to steering reservoir through low pressure line, completes a steering hydraulic oil in steering hydraulic pipeline
Cycle.Vehicle CAN bus is connect by CAN bus connection line with controller, determines what whether controller worked and exported
Voltage and frequency；Vehicle power battery is connect by high-pressure connection line road with controller, and device inputs high voltage direct current in order to control；Control
Device processed is connected by connection line and 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 motor in electric powered steering pump, the i.e. rotating speed of 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 of electric powered steering pump 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 it sets
Meter can be also reduced to：The alternating current of frequency is determined in setting controller output, and the motor in driving electric powered steering pump is permanent rotating speed,
That is mechanical pump perseverance rotating speed.
In addition, although steering reservoir, electric powered steering pump, controller are arranged according to arrangement in the attached drawing of the design
Frame inside, it is opposite to keep right, but the design does not limit in this way, the design can also carry out accommodation, parts or so change bit
It sets：Even if being set in the vehicle of structure on the turning machine right side；Steering reservoir, electric powered steering pump and controller arrangement can also be according to not
With the integrated planning of vehicle, it is arranged in vehicle frame left side or other positions；Pipeline trend can also carry out adjustment appropriate.
Embodiment 1：
Referring to Fig. 1 to Fig. 6, a kind of commercial car electric hydraulic power-assisted steering device, including steering reservoir 4, turning machine 5, electricity
Dynamic steering pump 6 and controller 7；Oil inlet phase of the oil outlet of the steering reservoir 4 through oil inlet pipe 41 with electric powered steering pump 6
Logical, the oil outlet of electric powered steering pump 6 is communicated through pressure duct 61 with the oil inlet of turning machine 5, and the oil outlet of turning machine 5 is through low pressure
Pipeline 51 is communicated with the oil inlet of steering reservoir 4, and electric powered steering pump 6 is electrically connected through control circuit 71 and controller 7.It is excellent
It includes motor 62 and mechanical pump 63 to select electric powered steering pump 6, and motor 62 is connected through flexible clutch with mechanical pump 63, steering reservoir
4 communicate through oil inlet pipe 41 with the mechanical oil inlet 631 of mechanical pump 63, and the mechanical oil outlet 632 of mechanical pump 63 is through pressure duct
61 communicate with turning machine 5；The motor 62 is electrically connected through control circuit 71 and controller 7.
A kind of application method of above-mentioned commercial car electric hydraulic power-assisted steering device, the application method include at least once
The cycle of the cycle of steering hydraulic oil, a steering hydraulic oil includes 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, after supercharged
Steering hydraulic oil is flowed out from electric powered steering pump 6 again, and is flowed into turning machine 5 through pressure duct 61, after acting on turning machine 5
Steering hydraulic oil returns to steering reservoir 4 to complete the cycle of a steering hydraulic oil through low pressure line 51, wherein steering hydraulic oil
It is controlled by control circuit 71 by controller 7 in the supercharging of electric powered steering pump 6.
Embodiment 2：
Substance with embodiment 1, the difference is that：
It includes any one or two kinds in following two techniques that the controller 7 carries out control by control circuit 71
In conjunction with：
The first technique：Whether vehicle CAN bus 8 works through the decision controller 7 of CAN bus connection line 81 and controller
The voltage and frequency of 7 outputs, to adjust working time and the rotating speed of electric powered steering pump 6；
Second of technique：Vehicle power battery 9 inputs high voltage direct current, high pressure through high-pressure connection line road 91 to controller 7
Direct current via controller 7 becomes alternating current, and controller 7 pumps 6 input AC electricity to drive through control circuit 71 to electric powered steering again
6 work of electric powered steering pump, the frequency of alternating current determine that 62 rotating speed of motor in electric powered steering pump 6, motor 62 determine electric rotating
The rotating speed of mechanical pump 63 into pump 6, and then the supercharging of steering hydraulic oil in mechanical pump 63 is controlled.
Embodiment 3：
Substance with embodiment 1, the difference is that：
The input terminal of the controller 7 is connected through CAN bus connection line 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 end of the controller 7 is through control circuit
71 are electrically connected with electric powered steering pump 6.The high-pressure connection line road 91 exports direct current, the control circuit to controller 7
71 export alternating current to electric powered steering pump 6.
Embodiment 4：
Substance with embodiment 1, the difference is that：
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.
Embodiment 5：
Substance with embodiment 1, the difference is that：
The lateral surface of the left longeron of 5 diverted machine support 52 of the turning machine and vehicle frame 11 is connected, the left longeron of vehicle frame 11
Medial surface is connected through frame cross 1 with the medial surface of vehicle frame right vertical beam 12, the left longeron 11 of vehicle frame, vehicle frame right vertical beam 12 top
It is connected with upper frame carrier unit 2, the lower section of upper frame carrier unit 2 is provided with the lower frame parallel with frame cross 1
The both ends of carrier unit 3, the lower frame carrier unit 3 are connected with the medial surface of the left longeron 11 of vehicle frame, vehicle frame right vertical beam 12, and
Upper frame carrier unit 2 is connected with steering reservoir 4, controller 7, and lower frame carrier unit 3 is connected with electric powered steering pump 6,
Fixture 10 is connected with the top of frame cross 1 by the road for pressure duct 61, low pressure line 51.
Embodiment 6：
Substance with embodiment 5, the difference is that：
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, preceding U-shaped beam 21, in U-shaped beam 22, rear U-shaped beam 23 top of the bottom both ends all with the left longeron 11 of vehicle frame, vehicle frame right vertical beam 12
Be connected, preceding U-shaped beam 21, in U-shaped beam 22, rear U-shaped beam 23 top all arch upward upwards；The middle part of the preceding U-shaped beam 21 is premenstrual
One beam 24 middle part of U-shaped beam 22 in being connected on one side, in U-shaped beam 22 middle part another side after through three beams 25, after four beams 26 and
The middle part of U-shaped beam 23 is connected afterwards, and previous beam 24 is connected with steering reservoir 4, rear three beam 25, rear four beam 26 and 7 phase of controller
Connection；The lower frame carrier unit 3 includes a word beam 31 and beam connecting seat 32, and the both ends of the word beam 31 are respectively through a beam
Connecting seat 32 is connected with the medial surface of the left longeron 11 of vehicle frame, vehicle frame right vertical beam 12 respectively, and the middle part of a word beam 31 is vertical through left bottom
Beam 33, right bottom girder 34 are connected with the middle part of frame cross 1, one crossbeam of left bottom girder 33, the top surface of right bottom girder 34 and bottom
35, the bottom surface of two crossbeam 36 of bottom is connected, and one crossbeam 35 of bottom, the top surface of two crossbeam 36 of bottom and electric powered steering pump 6 are connected.
Claims (8)
1. a kind of commercial car electric hydraulic power-assisted steering device, including steering reservoir（4）, turning machine（5）With steering pump, and turn to
Oil tank（4）It is communicated with steering pump oil circuit, it is characterised in that：
The commercial car electric hydraulic power-assisted steering device further includes controller（7）, and steering pump pumps for electric powered steering（6）；
The steering reservoir（4）Oil outlet through oil inlet pipe（41）It is pumped with electric powered steering（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-voltage tube
Road（51）With steering reservoir（4）Oil inlet communicate, and electric powered steering pump（6）Through control circuit（71）With controller（7）It carries out
Electrical connection.
2. a kind of commercial car electric hydraulic power-assisted steering device according to claim 1, it is characterised in that：The electric rotating
To pump（6）Including motor（62）With mechanical pump（63）, motor（62）Through flexible clutch and mechanical pump（63）It is connected.
3. a kind of commercial car electric hydraulic power-assisted steering device according to claim 2, it is characterised in that：The steering oil
Tank（4）Through oil inlet pipe（41）With mechanical pump（63）Mechanical oil inlet（631）It communicates, mechanical pump（63）Mechanical oil outlet
（632）Through pressure duct（61）With turning machine（5）It communicates；The motor（62）Through control circuit（71）With controller（7）It carries out
Electrical connection.
4. a kind of commercial car electric hydraulic power-assisted steering device according to claim 1,2 or 3, it is characterised in that：It is described
Controller（7）Input terminal through CAN bus connection line（81）With vehicle CAN bus（8）It is connected, the controller（7）'s
Input terminal is through high-pressure connection line road（91）With vehicle power battery（9）It is connected, the controller（7）Output end through control line
Road（71）It is pumped with electric powered steering（6）It is electrically connected.
5. a kind of commercial car electric hydraulic power-assisted steering device according to claim 4, it is characterised in that：The high pressure connects
Link（91）To controller（7）Export direct current, the control circuit（71）It is pumped to electric powered steering（6）Export alternating current.
6. a kind of commercial car electric hydraulic power-assisted steering device according to claim 1,2 or 3, it is characterised in that：It is described
Low pressure line（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.
7. a kind of commercial car electric hydraulic power-assisted steering device according to claim 1,2 or 3, it is characterised in that：It is described
Turning machine（5）Diverted machine support（52）With the left longeron of vehicle frame（11）Lateral surface be connected, the left longeron of vehicle frame（11）Inside
Face is through frame cross（1）With vehicle frame right vertical beam（12）Medial surface be connected, the left longeron of vehicle frame（11）, vehicle frame right vertical beam（12）'s
Top and upper frame carrier unit（2）It is connected, upper frame carrier unit（2）Lower section be provided with and frame cross（1）It is equal
Capable lower frame carrier unit（3）, the lower frame carrier unit（3）Both ends and the left longeron of vehicle frame（11）, vehicle frame right vertical beam
（12）Medial surface be connected, and upper frame carrier unit（2）With steering reservoir（4）, controller（7）It is connected, lower frame branch
Frame unit（3）It is pumped with electric powered steering（6）It is connected, pressure duct（61）, low pressure line（51）Fixture by the road（10）With vehicle frame
Crossbeam（1）Top be connected.
8. a kind of commercial car electric hydraulic power-assisted steering device according to claim 7, 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
Type beam（23）, 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-shaped beam（23）Top all arch upward upwards；Institute
U-shaped beam before stating（21）Middle part through previous beam（24）The U-shaped beam in（22）Middle part is connected on one side, in U-shaped beam（22）Middle part
Another side after three beams（25）, Hou Siliang（26）With rear U-shaped beam（23）Middle part be connected, previous beam（24）With steering reservoir
（4）It is connected, Hou Sanliang（25）, Hou Siliang（26）With controller（7）It is connected；
The lower frame carrier unit（3）Including a word beam（31）With beam connecting seat（32）, the word beam（31）Both ends it is each
Through a beam connecting seat（32）Respectively with the left longeron of vehicle frame（11）, vehicle frame right vertical beam（12）Medial surface be connected, Yi Ziliang
（31）Middle part through left bottom girder（33）, right bottom girder（34）With frame cross（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）, bottom two it is horizontal
Beam（36）Top surface and electric powered steering pump（6）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721881060.4U CN207875755U (en) | 2017-12-28 | 2017-12-28 | Commercial car electric hydraulic power-assisted steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721881060.4U CN207875755U (en) | 2017-12-28 | 2017-12-28 | Commercial car electric hydraulic power-assisted steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207875755U true CN207875755U (en) | 2018-09-18 |
Family
ID=63504386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721881060.4U Active CN207875755U (en) | 2017-12-28 | 2017-12-28 | Commercial car electric hydraulic power-assisted steering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207875755U (en) |
-
2017
- 2017-12-28 CN CN201721881060.4U patent/CN207875755U/en active Active
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