CN107745633A - A kind of vehicle and its trailing wheel dual motors system - Google Patents

A kind of vehicle and its trailing wheel dual motors system Download PDF

Info

Publication number
CN107745633A
CN107745633A CN201710954222.0A CN201710954222A CN107745633A CN 107745633 A CN107745633 A CN 107745633A CN 201710954222 A CN201710954222 A CN 201710954222A CN 107745633 A CN107745633 A CN 107745633A
Authority
CN
China
Prior art keywords
motors
hole
flange
trailing wheel
motor
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
Application number
CN201710954222.0A
Other languages
Chinese (zh)
Other versions
CN107745633B (en
Inventor
马芳武
代凯
吴量
左世奇
田广东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jilin University
Original Assignee
Jilin University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jilin University filed Critical Jilin University
Priority to CN201710954222.0A priority Critical patent/CN107745633B/en
Publication of CN107745633A publication Critical patent/CN107745633A/en
Application granted granted Critical
Publication of CN107745633B publication Critical patent/CN107745633B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0007Disposition of motor in, or adjacent to, traction wheel the motor being electric
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B60L15/28Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed without contact making and breaking, e.g. using a transductor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/32Control or regulation of multiple-unit electrically-propelled vehicles
    • B60L15/38Control or regulation of multiple-unit electrically-propelled vehicles with automatic control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00Disposition of motor in, or adjacent to, traction wheel
    • B60K2007/003Disposition of motor in, or adjacent to, traction wheel with two or more motors driving a single wheel
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/72Electric energy management in electromobility

Abstract

The invention discloses a kind of trailing wheel dual motors system for vehicle, including two motors being coaxially disposed, the first medial cradle and the second medial cradle are provided between two motors, decelerator is equipped with the outside of two motors, two decelerators are respectively provided with outrigger, first medial cradle, the second medial cradle and two outriggers are fixed by two fixing points and vehicle frame, and two motors are fixed to realize.The invention also discloses a kind of vehicle for including trailing wheel dual motors system.Transmission system is fixed on vehicle frame by two fixing points in the present invention, and its is simple in construction, mounting means is flexible, saves processing cost, while alleviates the weight of vehicle.

Description

A kind of vehicle and its trailing wheel dual motors system
Technical field
The present invention relates to automobile technical field, more particularly to a kind of trailing wheel dual motors system.The invention further relates to one kind to have There is the vehicle of the trailing wheel dual motors system.
Background technology
With gradually stepping up for environmental requirement, electric automobile is just gradually substituting original fossil fuel automobile.Direct wheel drives Bi-motor arrangement have the advantages that transmission efficiency is high, easily controllable and flexible arrangement.Traditional bi-motor arrangement Space-consuming is big, installation difficulty.
Therefore, bi-motor structure how is simplified, so as to realize that the flexible installation of bi-motor structure is those skilled in the art The technical issues that need to address at present.
The content of the invention
It is an object of the invention to provide a kind of trailing wheel dual motors system, its is simple in construction, easy for installation, and of the invention is another Purpose is to provide a kind of vehicle for including above-mentioned trailing wheel dual motors system.
A kind of trailing wheel dual motors system for vehicle provided by the invention, including two motors being coaxially disposed, two The first medial cradle and the second medial cradle are provided between the motor, is equipped with decelerator on the outside of two motors, two The decelerator is respectively provided with outrigger, first medial cradle, the second medial cradle and the two equal energy of outrigger It is enough to be fixed with vehicle frame, fix two motors to realize;And two the decelerator respectively with its corresponding to the motor it Between be not provided with fixed component to be fixed with vehicle frame.
Preferably, two decelerators respectively with its corresponding to the motor between be equipped with shaft coupling, the shaft coupling Device includes the supported flange located at the motor and the flange shaft located at the shaft coupling, the supported flange and the flange Axle is respectively provided with so that secure component runs through to realize through hole that the supported flange and the flange shaft are fixed, and the through hole Inside it is additionally provided with the packing ring to compensating coaxial degree error positioned at the secure component periphery.
Preferably, the packing ring is tapered, and the cone bottom of the packing ring is butted in the through hole of the flange shaft, the packing ring The vertex of a cone be butted in the through hole of the supported flange;
The secure component includes boss that is coaxial and setting gradually, smooth cylindrical and has externally threaded stud, institute The diameter for stating smooth cylindrical is more than the diameter of the stud;
The smooth cylindrical can be stretched into successively by the side of the flange shaft through hole of the flange shaft, the packing ring and In the through hole of the supported flange;And the through hole of the supported flange is specially shoulder hole, the shoulder hole includes diameter and institute State the through-hole diameter identical macropore of flange shaft and the diameter identical aperture of diameter and the stud, the macropore and institute The cone bottom for stating packing ring offsets, and the aperture can run through for the stud.
Preferably, first medial cradle, second medial cradle and two outriggers include support body, institute State support body to be provided with for connecting the via that the connecting shaft of two motors runs through, the periphery of the via has multiple installations Hole, and the support body is provided with the extension upwardly extended, the fixing hole that the extension has to fix with vehicle frame.
Preferably, the flange shaft includes disc-shaped disk body and is connected with the disk body and along the axle of the disk body To the axis body of extension;The supported flange and the disk body are coaxial, and both diameter it is identical, the supported flange also have with The coaxial coaxial aperture of the axis body, and the through hole of the supported flange is located at the periphery of the coaxial aperture.
Preferably, the packing ring is specially rubber washer.
Preferably, in addition to:
To monitor the oil pressure sensor of brake-pipe pressure;
It is connected with the oil pressure sensor, to when the oil pressure sensor monitors that any brake-pipe pressure is abnormal When, the entire car controller of the whole motor driving torques of disconnection.
Preferably, in addition to:It is connected with the entire car controller, monitoring the two of accelerator pedal signal for faster acceleration Pedal sensor;When two accelerator pedal sensors monitor to add described in any accelerator pedal sensor failure or two When the deviation of signal of speed pedal sensor is more than the 5% of any accelerator pedal sensor range, the entire car controller breaks Open the driving torque of all motors.
Preferably, in addition to:It is connected with the oil pressure sensor and two accelerator pedal sensors, working as brake oil The average value of pressure is more than the 20% of oil pressure sensor range, and the average value of the two accelerator pedal sensor signals is more than acceleration Pedal sensor range 10% when, the entire car controller disconnects the driving torque of all motors.
The present invention also provides a kind of vehicle, including the trailing wheel dual motors system as described in above-mentioned any one.
Trailing wheel dual motors system provided by the present invention, its medial cradle and outrigger pass through 2 points of connections and vehicle frame It is attached, compared to the type of attachment of three point attachment in the prior art, the selection to installation site is more flexible, has installation side Just the advantages of more flexible, is arranged.
In further scheme of the invention, packing ring is provided with the through hole of shaft coupling, due to that can be deposited between motor and wheel In certain coaxiality error, during operating, because the presence of coaxiality error, it can produce and touch between attachment means Hit, the damage of connection member can be caused when serious.The present invention sets packing ring in the through hole of shaft coupling, is collided in attachment means Certain cushioning effect is played in journey, so as to extend the service life of connection member.
In the other technical scheme of the present invention, entire car controller is set in vehicle, and entire car controller is according to brake oil The signal of the monitoring device of pressure sensor and accelerator pedal sensor is controlled to vehicle, the feelings of risk out of control be present in vehicle The driving torque of motor is disconnected under condition, so as to avoid accident.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis The accompanying drawing of offer obtains other accompanying drawings.
A kind of schematic diagram of the embodiment for the trailing wheel dual motors system that Fig. 1 is provided by the embodiment of the present invention;
Fig. 2 is the support body partial enlarged drawing of medial cradle and outrigger in Fig. 1;
Fig. 3 is the schematic diagram of shaft coupling construction;
Fig. 4 is the structural representation of stepped half-thread bolt in Fig. 3.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the accompanying drawings and it is embodied The present invention is described in further detail for mode.
It refer to Fig. 1 and Fig. 2, a kind of specific implementation for the trailing wheel dual motors system that Fig. 1 is provided by the embodiment of the present invention The schematic diagram of mode;Fig. 2 is the support body partial enlarged drawing of medial cradle and outrigger in Fig. 1.
As shown in figure 1, the trailing wheel dual motors system that the embodiment of the present invention is provided includes two motors 5, pass through two electricity Machine is driven to two trailing wheels respectively, and in order to ensure smooth ride, two motor coaxles are set.First is provided between two motors The medial cradle 4 of medial cradle 3 and second, the first medial cradle are each connected with the second medial cradle with a motor.Motor 5 Other side is connected by shaft coupling 6 with the head end of power transmission shaft, and decelerator 1 is set with power transmission shaft, is set respectively on two decelerators 1 There are the first outrigger 2 and the second outrigger 7, vehicle rear wheel is installed on transmission the tip of the axis.
The structure of first medial cradle 3 and the second medial cradle 4 is as shown in Fig. 2 including support body, the axial direction of support body is provided with Via 34, the connecting shaft of motor 5 pass through support body via via 34, and the periphery of via 34 is provided with multiple mounting holes 35, on motor 5 The position corresponding with mounting hole 35 is provided with internal thread hole, and bolt is connected on the internal thread hole of motor 5 through mounting hole 35, entered And medial cradle is fixed with motor 5, support body side sets the upper extension 36 to extension above axis, upper extension 36 tops are provided with top fixing point 37, and the position of top fixing point 37 is higher than motor 5, is additionally provided with the side of support body to axis one The side extension 38 of side extension, in side, the top of extension 38 has side fixing point 39, the position of side fixing point 39 Also above motor 5, medial cradle is fixedly connected by top fixing point 37 and side fixing point 39 with vehicle frame.Outrigger and interior The structure of side stand is substantially similar, simply slightly has difference according to the size of the different parts such as its via or mounting hole of mounting condition, The structure of outrigger repeats no more, and the top fixing point and outside fixing point of outrigger are also above the position of decelerator 1, institute There is the top fixing point of medial cradle and outrigger conllinear, its side fixing point is also conllinear.Motor 5, shaft coupling 6, power transmission shaft The transmission system formed with the connection of decelerator 1 is fixed on vehicle frame by medial cradle and outrigger.
Transmission system is fixed using 2 points in the present embodiment, and compared to three-point mount of the prior art, it fixes effect Fruit is more or less the same, and the requirement to space reduces, and can be arranged in in-car, and two point-supported medial cradles and outside for greater flexibility Support processes that simpler, quality is lighter for supported at three point, helps to reduce complete vehicle weight.
Fig. 3 is the schematic diagram of shaft coupling construction;Fig. 4 is the structural representation of stepped half-thread bolt in Fig. 3.
Dual motors system often because coaxiality deviation be present in motor and wheel and caused by connection member collide or even damage, In the present embodiment, as shown in figure 3, being provided with packing ring 9 between attachment means and flange shaft 10 and supported flange 11, worn in packing ring 9 Secure component 8 is crossed, secure component 8 is buffered caused by coaxiality deviation is to flange shaft 10 and supported flange 11 by packing ring 9 Impact.
Specifically, flange shaft 10 includes disc-shaped disk body and is connected with the disk body and along the axial direction of the disk body The axis body of extension, the peripheral part of axis body are provided with the through hole of installation secure component 8, and the secure component in the present embodiment is stepped half Screw bolt, supported flange 11 are provided with the shoulder hole corresponding with the lead to the hole site of the disk body of flange shaft 10 and coaxial with axis body Coaxial aperture, the diameter macropores in the shoulder hole are roughly the same with the through-hole diameter of flange shaft 10, its hole diameter and stepped half Screw bolt 8 is roughly the same, is available for stepped half-thread bolt 8 to pass through.The effect of supported flange 11 is by supported flange 11 Frictional force between flange shaft 10 transmits moment of torsion, and then reduces the tangential force on secure component.
Packing ring 9 is tapered, is arranged in the through hole of flange shaft 10 and the macropore of the shoulder hole of supported flange 11, and cone bottom is butted on institute In the through hole for stating flange shaft 10, the step surface of the vertex of a cone and shoulder hole offsets, packing ring 9 have with it is small in the shoulder hole of supported flange 11 Hole it is corresponding axially penetrate through hole, stepped half-thread bolt 8 sequentially pass through the through hole of flange shaft 10, packing ring 9 through hole and The shoulder hole of supported flange, three is linked together.Packing ring 9 in the present embodiment can also be fabricated from a flexible material, such as rubber Glue, silicon rubber etc., the taper that is shaped as of packing ring 9 is a kind of preferable scheme, and in addition to taper, packing ring 9 can also use column, Or main body is column, taper erecting bed is provided with both ends.
The stepped shape of half-thread bolt 8 is as shown in figure 4, secure component 8 includes the boss 14, smooth that one-shot forming is set Cylinder 13 and stud 12, boss 14, smooth cylindrical 13 and the three of stud 12 are coaxial and set gradually, and stud 12 has external screw thread, And the diameter of smooth cylindrical 13 is more than the diameter of stud 12.Wherein the length of smooth cylindrical 13 not less than the length of packing ring 9 and less Add the length of aperture in supported flange shoulder hole in the length of packing ring 9.
Packing ring 9 is provided with the present embodiment between attachment means and flange shaft 10 and supported flange 11, packing ring 9 is connecting Cushioning effect is played in the collision process of part, and then can prevent connection member from being damaged caused by collision.
In order to improve the security of vehicle drive, prevent because brakes or acceleration system extremely caused by lose control of one's vehicle, this The oil pressure sensor that monitoring front and back wheel brake-pipe pressure is provided with embodiment, the accelerator pedal for monitoring pedal signal for faster pass Sensor, the entire car controller judged according to the measurement data of two sensorses traveling state of vehicle.
The oil pressure of brake piping is monitored using oil pressure sensor, when braking oil pressure occur it is abnormal, as oil pressure is too high, During too low or unusual fluctuations, then there is failure risk in motor vehicle braking system.In order to prevent because brake fade causes human pilot to lose The control to vehicle is gone, entire car controller disconnects the power supply of whole motors 5, so as to disconnect the driving torque of motor.With the present invention Control strategy it is identical, using in the prior art other disconnect Motor torques methods technical scheme still fall within the present invention guarantor Scope is protected, the above is equally applicable to following scheme.
Pedal signal for faster is monitored using two accelerator pedal sensors, is measured and believed with two accelerator pedal sensors Number input of the average value as signal for faster, naturally it is also possible to sensor signal is otherwise handled, for example, taking The two maximum, minimum value or geometrical mean etc., then the input using the result after processing as signal for faster.When any one When accelerator pedal sensor fails or two accelerator pedal sensor deviations are more than the 5% of any of which transducer range, vehicle Acceleration system breaks down, and to avoid the generation of driving accident, entire car controller disconnects the driving torque of whole electrodes 5.
Brakes and acceleration system act on simultaneously in vehicle travel process, easily cause decelerator damage or axletree by card It is dead even to cause motor damage, it is the mode of operation avoided that should be tried one's best in vehicle operation.Work as braking oil pressure in the present embodiment Average value be more than the 20% of oil pressure sensor range in the case of, and the average value of the two accelerator pedal sensor signals is big When the 10% of accelerator pedal sensor range, entire car controller judge brakes and acceleration system for and meanwhile act on, now Entire car controller disconnects the power supply of whole motors 5.
Also include two front wheel rotation speed sensors and two rear wheel rotation speed sensors in the present embodiment, passed according to front wheel rotation speed Sensor measurement data is estimated to obtain estimation speed, estimates wheel speed according to trailing wheel wheel speed sensors, motor is being converted into according to wheel speed The output speed of output, vehicle slip rate is obtained compared with exporting speed by estimating speed.Entire car controller is according to whole Car slip rate is adjusted to vehicle traction.
Entire car controller is also further connected with steering wheel angle sensor, and steering wheel angle sensor is used for measurement direction The rotational angle of disk, using steering wheel angle sensor as input, and then the slide limiting differential of vehicle electrically controlling is adjusted, by limiting vehicle The adjustment of slippage speed, to improve the stability of vehicle.
In the other technical scheme of the present invention, entire car controller is set in vehicle, and entire car controller is according to brake oil The signal of the monitoring device of pressure sensor and accelerator pedal sensor is controlled to vehicle, the feelings of risk out of control be present in vehicle The driving torque of motor is disconnected under condition, so as to avoid accident.
A kind of vehicle provided by the present invention, including the trailing wheel dual motors system described by above-mentioned specific embodiment;Automobile Other parts be referred to prior art, it is not reinflated herein.
It should be noted that in this manual, such as first and second etc relational terms are used merely to one Entity makes a distinction with other several entities, and not necessarily require or imply between these entities exist it is any this actual Relation or order.
Vehicle provided by the present invention and its trailing wheel dual motors system are described in detail above.It is used herein Specific case is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands this The method and its core concept of invention.It should be pointed out that for those skilled in the art, this hair is not being departed from On the premise of bright principle, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into power of the present invention In the protection domain that profit requires.

Claims (10)

1. a kind of trailing wheel dual motors system for vehicle, including two motors being coaxially disposed, it is characterised in that described in two The first medial cradle (3) and the second medial cradle (4) are provided between motor (5), is equipped with and subtracts on the outside of two motors (5) Fast device (1), two decelerators (1) are respectively provided with outrigger, first medial cradle (3), second medial cradle (4) And two the outrigger can be fixed by top fixing point and side fixing point with vehicle frame, to realize two electricity Machine (5) is fixed, and all the top fixing point is above above the motor (5) and collinearly set, and all the side is fixed Point is respectively positioned on the motor (5) side and conllinear setting.
2. trailing wheel dual motors system according to claim 1, it is characterised in that two decelerators (1) respectively with its institute Shaft coupling (6) is equipped between the corresponding motor (5), the shaft coupling (6) includes the compression method located at the motor (5) Blue (11) and the flange shaft (10) located at the shaft coupling (6), the supported flange (11) have with the flange shaft (10) It is useful so that secure component (8) runs through to realize the fixed through hole of the supported flange (11) and the flange shaft (10), and institute State and be additionally provided with through hole positioned at the secure component (8) periphery buffering the packing ring of collision (9).
3. trailing wheel dual motors system according to claim 2, it is characterised in that
The packing ring (9) is tapered, and the cone bottom of the packing ring (9) is butted in the through hole of the flange shaft (10), the packing ring (9) the vertex of a cone is butted in the through hole of the supported flange (11);
The secure component (8) includes boss (14) that is coaxial and setting gradually, smooth cylindrical (13) and with externally threaded Stud (12), the diameter of the smooth cylindrical (13) are more than the diameter of the stud (12);
The smooth cylindrical (13) can be stretched into through hole, the institute of the flange shaft (10) successively by the side of the flange shaft (10) In the through hole for stating packing ring (9) and the supported flange (11);It is described and the through hole of the supported flange (11) is specially shoulder hole Shoulder hole include diameter and the flange shaft (10) through-hole diameter identical macropore and diameter and the stud (12) it is straight Footpath identical aperture, the cone bottom of the macropore and the packing ring (9) offset, and the aperture can run through for the stud (12).
4. trailing wheel dual motors system according to claim 2, it is characterised in that first medial cradle (3), described Two medial cradles (4) and two outriggers include support body, and the support body is provided with for two motors (5) of connection The via that connecting shaft runs through, the periphery of the via have multiple mounting holes to the fixation support body position.
5. trailing wheel dual motors system according to claim 4, it is characterised in that the flange shaft (10) includes disc-shaped Disk body and it is connected with the disk body and along the axially extending axis body of the disk body;The supported flange (11) and the disk Body is coaxial, and both diameters are identical, and the supported flange (11) also has the coaxial aperture coaxial with the axis body, and the pressure The through hole of tight flange (11) is located at the periphery of the coaxial aperture.
6. trailing wheel dual motors system according to claim 5, it is characterised in that the packing ring (9) is specially rubber washer.
7. the trailing wheel dual motors system according to claim 1~6 any one, it is characterised in that also include:
To monitor the oil pressure sensor of brake-pipe pressure;
It is connected with the oil pressure sensor, to when the oil pressure sensor monitors any brake-pipe pressure exception, breaks Open the entire car controller of all motor (5) driving torques.
8. trailing wheel dual motors system according to claim 7, it is characterised in that also include:
It is connected with the entire car controller, monitoring the two of accelerator pedal signal for faster accelerator pedal sensors;When described Entire car controller monitors the deviation of signal of any accelerator pedal sensor failure or two accelerator pedal sensors More than any accelerator pedal sensor range 5% when, the entire car controller disconnects the driving of all motors (5) Moment of torsion.
9. trailing wheel dual motors system according to claim 7, it is characterised in that also include:
Be connected with the oil pressure sensor and two accelerator pedal sensors, to when two braking oil pressures average value be more than appoint The 20% of the one oil pressure sensor range, and the average value of the two accelerator pedal sensor signals is more than any acceleration Pedal sensor range 10% when, the entire car controller disconnects the driving torque of all motors.
10. a kind of vehicle, it is characterised in that including the trailing wheel bi-motor system as described in above-mentioned claim 1~9 any one System.
CN201710954222.0A 2017-10-13 2017-10-13 Vehicle and rear wheel dual-motor system thereof Active CN107745633B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710954222.0A CN107745633B (en) 2017-10-13 2017-10-13 Vehicle and rear wheel dual-motor system thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710954222.0A CN107745633B (en) 2017-10-13 2017-10-13 Vehicle and rear wheel dual-motor system thereof

Publications (2)

Publication Number Publication Date
CN107745633A true CN107745633A (en) 2018-03-02
CN107745633B CN107745633B (en) 2021-03-23

Family

ID=61253709

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710954222.0A Active CN107745633B (en) 2017-10-13 2017-10-13 Vehicle and rear wheel dual-motor system thereof

Country Status (1)

Country Link
CN (1) CN107745633B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05116539A (en) * 1991-10-24 1993-05-14 Aisin Aw Co Ltd Drive unit for electric car
CN2318448Y (en) * 1996-01-26 1999-05-12 北京阿奇工业电子有限公司 Motor coupling
CN201784445U (en) * 2010-09-03 2011-04-06 小康汽车产业(集团)有限公司 Electric automobile driving motor assembly installation mechanism
CN102092279A (en) * 2009-12-09 2011-06-15 株式会社神崎高级工机制作所 Electric transaxle unit
DE102011017056A1 (en) * 2011-04-14 2012-10-18 Rainer Puls Electric traction drive for electric vehicles
CN204845388U (en) * 2015-07-06 2015-12-09 深圳市沃特玛电池有限公司 Two motor drive bridge constructions
CN206528309U (en) * 2016-12-07 2017-09-29 亦维电动车科技(上海)有限公司 Pure electric automobile bi-motor assembly mounting structure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05116539A (en) * 1991-10-24 1993-05-14 Aisin Aw Co Ltd Drive unit for electric car
CN2318448Y (en) * 1996-01-26 1999-05-12 北京阿奇工业电子有限公司 Motor coupling
CN102092279A (en) * 2009-12-09 2011-06-15 株式会社神崎高级工机制作所 Electric transaxle unit
CN201784445U (en) * 2010-09-03 2011-04-06 小康汽车产业(集团)有限公司 Electric automobile driving motor assembly installation mechanism
DE102011017056A1 (en) * 2011-04-14 2012-10-18 Rainer Puls Electric traction drive for electric vehicles
CN204845388U (en) * 2015-07-06 2015-12-09 深圳市沃特玛电池有限公司 Two motor drive bridge constructions
CN206528309U (en) * 2016-12-07 2017-09-29 亦维电动车科技(上海)有限公司 Pure electric automobile bi-motor assembly mounting structure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
李理光等: "《2015年中国大学生方程式汽车大赛规则》", 《2015年中国大学生方程式汽车大赛规则》 *

Also Published As

Publication number Publication date
CN107745633B (en) 2021-03-23

Similar Documents

Publication Publication Date Title
CN102320324B (en) Wire control steering automobile road sensing simulation executing device
CN102658812B (en) Composite braking phase plane anti-lock control method for electrical driven automobile
CN109664933B (en) Steering system for in-wheel motor vehicle
US20080251307A1 (en) Speed Limiting for a Light-Weight Utility Vehicle
JP2005069897A (en) Input detection device and test car
CN106515462A (en) Brake control method, brake control device and brake system for electric vehicle
US8996221B2 (en) Method for traction control in a motor vehicle, and control system for carrying out the method
US11007894B2 (en) Electrified vehicle control during towing
CN205679400U (en) For verifying the instruction carriage of In-wheel motor driving Control of Electric Vehicles method
CN107745633A (en) A kind of vehicle and its trailing wheel dual motors system
WO2014069281A1 (en) Electric vehicle control device and electric vehicle
CN106541934B (en) Dual output power distribution method based on differential mechanism
CN203562116U (en) Automobile sideslip control device
CN206177579U (en) Axle reduction gear detection device
CN203766742U (en) Vehicle anti-slip and anti-lock system
JP5387471B2 (en) Control device for electric motor in left and right independent drive vehicle
CN208537189U (en) A kind of heavy-duty car tandem axle testing stand
CN105774562A (en) Wheel-side motor driven vehicle anti-lock braking system and method
CN103257656B (en) The add load control of torque during constant speed drive's axle assembly circumferential clearance detects
CN110614967A (en) Drive-by-wire chassis system of unmanned vehicle
CN103863278B (en) Vehicle limited slip turns and anti-lock braking system
CN205651900U (en) Transaxle is from aligning semi -axis
CN104290826A (en) Tensile type chassis left and right balance system
CN110893852A (en) Speed regulating device for automobile and motorcycle
CN104290829B (en) Balancing weight arranged crosswise system

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