CN107344489A - A kind of pure electric commercial vehicle powertrain mounting system and its assembly method - Google Patents
A kind of pure electric commercial vehicle powertrain mounting system and its assembly method Download PDFInfo
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- CN107344489A CN107344489A CN201710571540.9A CN201710571540A CN107344489A CN 107344489 A CN107344489 A CN 107344489A CN 201710571540 A CN201710571540 A CN 201710571540A CN 107344489 A CN107344489 A CN 107344489A
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- suspension bracket
- assembly
- suspending
- fore
- cushion assembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT 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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
A kind of pure electric commercial vehicle powertrain mounting system, the front end of the power assembly containing motor is successively through front-suspension bracket in the system, it is connected after front suspending cushion assembly with the middle part of the front-suspension bracket of U-shape structure, the left and right ends of front-suspension bracket are connected with longitudinal beam, the rear end of power assembly is successively through rear suspension bracket, rear-suspending cushion assembly is connected with longitudinal beam, front-suspension bracket, front suspending cushion assembly, the connection of front-suspension bracket between any two, and rear suspension bracket, connection between rear-suspending cushion assembly is all vertical urgent connection, front suspending cushion assembly includes upper skeleton, rubber bodies and lower skeleton, on, the upper groove of mutual clamping is provided with lower skeleton, lower protruding block.Power assembly, the vibration isolating effect that the design is applicable not only to be additionally arranged the pure electric commercial vehicle of motor are preferable, and can reduce assembly difficulty, can realize that three-dimensional is spacing, in light weight, cost is low.
Description
Technical field
The present invention relates to a kind of power train in vehicle application assembly suspension system, more particularly to a kind of pure electric commercial vehicle power assembly to hang
System and its assembly method are put, it is particularly applicable to improve the vibration isolation effect of the power assembly for the pure electric commercial vehicle for being additionally arranged motor
Fruit.
Background technology
In automobile power assembly suspending device, the Auxiliary support of the gear box suspension system of commercial car as power assembly
Equipment, is connected with gearbox, deform with to ensure gearbox in vehicle operation and displacement is without departing from allowed band, simultaneously
Possess the ability for preferably suppressing vibration, but the vibration isolating effect of existing commercial car dynamic assembly suspension is weaker, such as steyr class
The vibration isolation rate of type only has 45% or so, can not meet the vibration isolation demand of existing commercial car, especially when new energy is introduced into commercialization
After car field, it can not more meet the vibration isolation demand of pure electric commercial vehicle.
Application publication number is CN104118307A, and data of publication of application discloses for the application for a patent for invention on October 29th, 2014
A kind of automobile power assembly suspending device, it includes being arranged on engine anterior engine mounting and engine rear transmission gear box
On two gear box suspensions；The engine mounting includes the front overhang cylinder rack being connected with engine bottom, described
The front overhang crossbeam that both ends are connected with front overhang support is provided with below front overhang cylinder rack, the front overhang support is connected with bicycle beam
Connect；Front overhang cushion is provided between the front overhang cylinder rack and the front overhang crossbeam；The gear box suspension includes and change
The rear overhang cylinder rack of fast case connection, the rear overhang cylinder rack are connected with the rear overhang cushion being fixed in bicycle beam.Although should
It is designed to reduce noise to a certain extent to improve vibration isolation capability, but it still has following defect：
First, the design is only applicable to traditional commercial car power assembly, and is not suitable for being additionally arranged the pure electronic commercialization of motor
The power assembly of car；
Secondly, the front-suspension bracket in the design includes front overhang crossbeam and the left front outstanding support being connected with its left and right ends, the right side
Front overhang support, not only amount of parts is more, is unfavorable for making and assembling, and belongs to Split type structure, the conducting effect of power compared with
Weak, vibration isolating effect is poor.
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 to overcome not being suitable for the pure electric commercial vehicle for being additionally arranged motor present in prior art
The defects of power assembly, poor vibration isolating effect and problem, there is provided a kind of pure electric commercial vehicle for being applied to be additionally arranged motor moves
The preferably pure electric commercial vehicle powertrain mounting system of power assembly, vibration isolating effect and its assembly method.
To realize object above, technical solution of the invention is：A kind of pure electric commercial vehicle dynamic assembly suspension system
The front end of power assembly is connected by system, including front-suspension assembly and rear-suspending assembly, the front-suspension assembly with longitudinal beam,
The rear end of power assembly is connected by the rear-suspending assembly with longitudinal beam；
The front-suspension assembly includes front-suspension bracket, front suspending cushion assembly and front-suspension bracket, before the power assembly
End in the middle part of front-suspension bracket successively after front-suspension bracket, front suspending cushion assembly with being connected, the left and right of front-suspension bracket
Both ends are connected with longitudinal beam, and the left and right ends of front-suspension bracket are set higher than the middle part of front-suspension bracket, and front-suspension support
Frame is U-shape structure；
The rear-suspending assembly includes symmetrical rear-suspending unit, and the rear-suspending unit includes rear suspension bracket and rear-suspending
Cushion assembly, the rear end of the power assembly are connected after rear suspension bracket, rear-suspending cushion assembly with longitudinal beam successively；
The front-suspension bracket, front suspending cushion assembly, the connection of front-suspension bracket between any two are all vertical urgent connection, institute
It is vertical urgent connection to state the connection between rear suspension bracket, rear-suspending cushion assembly.
The power assembly includes the motor and gearbox being connected with each other, and the motor is located at the front end of power assembly, institute
State the rear end that gearbox is located at power assembly；The front end of the motor successively after front-suspension bracket, front suspending cushion assembly with
Be connected in the middle part of front-suspension bracket, the rear end of the gearbox successively after rear suspension bracket, rear-suspending cushion assembly with car
Frame longeron is connected.
The left and right ends of the front-suspension bracket are connected with the outer clad can of longitudinal beam, the rear-suspending cushion assembly with
The interior clad can of longitudinal beam is connected.
After the front-suspension bracket includes fore-stock bottom plate, fore-stock left plate, fore-stock right plate and U-shaped fore-stock
Plate, the middle part of the fore-stock bottom plate are connected with the front suspending cushion assembly being disposed below, the rear end of fore-stock bottom plate with
The bottom vertical connection at the middle part of fore-stock back plate, the left and right ends of fore-stock back plate are connected with the front end of power assembly, preceding
Support back plate, fore-stock bottom plate be connected with each other it is folded into space inlay and be connected with fore-stock left plate, fore-stock right plate.
The front suspending cushion assembly include from top to bottom be sequentially connected, and vulcanization be integrated upper skeleton, rubber bodies with
Lower skeleton, the upper skeleton include upper plate and the upper in-flanges, the upper flanging that are connected with side inside and outside it, the sending down the fishbone
Frame includes lower shoe and the lower in-flanges, the lower flanging that are connected with side inside and outside it, and upper in-flanges, lower in-flanges are same
In individual plane, upper flanging, lower flanging are in approximately the same plane, and rubber bodies are located at upper in-flanges, lower in-flanges place is put down
Between plane where face and upper flanging, lower flanging；
The top surface of the upper plate is connected with front-suspension bracket, and the bottom surface of upper plate is in contact with the top surface of rubber bodies, rubber
The bottom surface of body is in contact with the top surface of lower shoe, and the bottom surface of lower shoe in the middle part of front-suspension bracket with being connected, the upper varus
Side, the medial surface of the near rubber bodies of lower in-flanges are set, and the lateral surface of the near rubber bodies of upper flanging, lower flanging is set.
The upper connecting hole being connected with front-suspension bracket, the both ends of the lower shoe are offered on the both ends of the upper plate
On offer the lower connecting hole for being connected with transition and being connected in the middle part of flat board, the corner of the transition connection flat board is offered with before
The transition connecting hole being connected in the middle part of suspension bracket.
The upper in-flanges, the structure of upper flanging are consistent, include be sequentially connected upper left foot, upper groove with it is upper right
Pin；The lower in-flanges, the structure of lower flanging are consistent, include bottom left platform portion, lower protruding block and the bottom right platform portion being sequentially connected,
Upper groove and the mutual clamping of lower protruding block on its interior, engaging gap between upper groove, lower protruding block be present, and upper left foot is higher than
Bottom left platform portion is set, and upper right crus of diaphragm is set higher than bottom right platform portion.
The upper groove include from top to bottom be sequentially communicated upper wide chamber, it is middle cone chamber with narrow chamber, it is described it is middle cone chamber it is straight
Footpath is in from top to bottom tapered change, and the diameter of upper wide chamber be more than under narrow chamber diameter；The lower protruding block include from the bottom to top according to
Lower narrow portion, middle tapering and the upper wide part of secondary connection, the diameter in the middle tapering is in from the bottom to top gradually wide change, and lower narrow portion is straight
Footpath is less than the diameter of upper wide part；Upper gap between the upper wide chamber and upper wide part on its interior be present, middle cone chamber is with being located at
Intermediate gap be present between its internal middle tapering, under between narrow chamber and lower narrow portion on its interior in the presence of gap, and it is upper between
Gap, intermediate gap, the mutual UNICOM in lower gap engage gap to form.
The upper wide chamber, under narrow chamber, upper wide part, the cross section of lower narrow portion be all rectangle, the middle cone chamber, the horizontal stroke in middle tapering
Section is wide at the top and narrow at the bottom trapezoidal；The magnitude range in the engaging gap is 7-15 millimeters.
A kind of assembly method of above-mentioned pure electric commercial vehicle powertrain mounting system, the assembly method include following step
Suddenly：
During assembling, the assembling of internal element, external unit first is carried out simultaneously, then falls and fills power assembly, then by front suspending cushion
Assembly urgent connection vertical with the progress of front-suspension bracket, rear suspension bracket urgent connection vertical with the progress of rear-suspending cushion assembly,
This assembling can be completed after connection；
The assembling of the internal element refers to：First front-suspension bracket is connected with the front end of power assembly, rear suspension bracket with
The rear end of power assembly is connected, then by front-suspension bracket urgent connection vertical with the progress of front suspending cushion assembly；
The assembling of the external unit refers to：Front-suspension bracket, rear-suspending cushion assembly are attached with longitudinal beam respectively.
Compared with prior art, beneficial effects of the present invention are：
1st, in a kind of pure electric commercial vehicle powertrain mounting system of the present invention and its assembly method, front-suspension assembly includes front overhang
Support, front suspending cushion assembly and front-suspension bracket are put, rear-suspending assembly includes symmetrical rear-suspending unit, the rear-suspending
Unit includes rear suspension bracket and rear-suspending cushion assembly, during assembling, the front end of power assembly（Motor）Successively through front-suspension branch
It is connected after frame, front suspending cushion assembly with front-suspension bracket, the rear end of power assembly（Gearbox）Successively through rear suspension bracket,
It is connected after rear-suspending cushion assembly with longitudinal beam, in addition, front suspending cushion assembly is connected with the middle part of front-suspension bracket
Connect, and the left and right ends of front-suspension bracket are then connected with longitudinal beam, its advantage includes：First, motor, gearbox can be entered
Connected corresponding to row, bikini arrangement is presented on the whole, supporting is preferable with effectiveness in vibration suppression；Secondly, front-suspension bracket is U-shaped one
Body structure, the quantity of parts is not only reduced, beneficial to manufacture and assembly, and front-suspension bracket is come as an entirety
For buffering with transmitting external power, its supporting is stronger with effectiveness in vibration suppression.Therefore, the present invention is applicable not only to be additionally arranged the pure electronic of motor
The power assembly of commercial car, and vibration isolating effect is preferable.
2nd, in a kind of pure electric commercial vehicle powertrain mounting system of the present invention and its assembly method, with the side of structure design
Formula defines the assembly method of uniqueness, i.e. front-suspension bracket, front suspending cushion assembly, the connection of front-suspension bracket between any two all
For vertical urgent connection, the connection between rear suspension bracket, rear-suspending cushion assembly is vertical urgent connection, and the design simplifies
Assembly technology, it is less demanding to field worker operation difficulty, operating efficiency can be lifted.Therefore, the present invention can reduce assembling
Difficulty, improve efficiency of assembling.
3rd, in a kind of pure electric commercial vehicle powertrain mounting system of the present invention and its assembly method, front-suspension bracket is band
The U-shape structure of evagination fluted roller, groove structure can increase the integral rigidity and intensity of front-suspension bracket, meanwhile, front-suspension support
Frame is structure as a whole, its make when only need metal plate punching, greatly reduce the quantity of parts, reduce manufacture difficulty with
Product cost.Therefore, the present invention not only stiffness and strength it is larger, and be easy to make, cost it is relatively low.
4th, in a kind of pure electric commercial vehicle powertrain mounting system of the present invention and its assembly method, front suspending cushion assembly
Including vulcanizing the upper skeleton, rubber bodies and the lower skeleton that are integrated, rubber bodies are clipped in by the inside and outside flange of upper and lower skeleton along Y-direction
Rubber bodies are clipped in the middle by centre, upper plate, lower shoe along Z-direction, meanwhile, between upper and lower in-flanges, and upper and lower flanging
Upper groove, the lower protruding block of mutual clamping be present with carry out X, Z-direction it is spacing, it is seen then that front suspending cushion assembly can limit electricity
Machine is avoided motor from being collided with work with peripheral appendix member, protects motor and periphery attached in the displacement in tri- directions of vehicle X, Y, Z
Part.Therefore, the present invention can realize that three-dimensional is spacing, and protective effect is stronger.
5th, in a kind of pure electric commercial vehicle powertrain mounting system of the present invention and its assembly method, upper in-flanges, it is lower in
Flange is in approximately the same plane, and in approximately the same plane, upper skeleton, the appearance and size of lower skeleton are big for upper flanging, lower flanging
It is small basically identical, avoid flange under upper skeleton in the prior art and be arranged on the situation on the inside of lower skeleton upper overturning, reduce,
Lower skeleton appearance and size, the overall volume of the design is reduced, alleviates weight.Therefore, not only small volume of the invention, and
Weight is relatively low.
6th, in a kind of pure electric commercial vehicle powertrain mounting system of the present invention and its assembly method, in upper skeleton, sending down the fishbone
The left and right ends of frame are respectively arranged with the position of evagination to open up upper and lower connecting hole to be attached cooperation with bolt, the design
Enhance bolts assemblies dismounting convenience, it is no longer necessary to by bolt embedment in intermediate rubber body, meanwhile, even in assembling or
The situation of bolt failure occurs during use, is also beneficial to maintenance or changes, maintenance costs are relatively low, in addition, in rubber bodies
End face on be further opened with the bolt slot of the indent corresponding with upper and lower connecting hole, the bolt slot respectively with upper and lower connecting hole
The bolt passed carries out up and down motion cooperation, and the design had both reduced the handling difficulty of bolt, reduces the outer of upper and lower skeleton again
Shape size, the overall volume of the design is reduced, alleviates weight.Therefore, the present invention is not only beneficial to the handling of bolt, Er Qieti
Product is small, in light weight.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is Fig. 1 explosive view.
Fig. 3 is the present invention and the dimensional structure diagram after power assembly assembling.
Fig. 4 is the present invention and the top view after power assembly assembling.
Fig. 5 is the present invention and the front view after power assembly assembling.
Fig. 6 is the present invention and the rearview after power assembly assembling.
Fig. 7 is the structural representation of front-suspension bracket in Fig. 1.
Fig. 8 is the structural representation of front suspending cushion assembly in Fig. 1.
Fig. 9 is the structural representation of upper skeleton in Fig. 8.
Figure 10 is the structural representation of lower skeleton in Fig. 8.
In figure：It is power assembly 1, motor 11, gearbox 12, longitudinal beam 13, front-suspension assembly 2, front-suspension bracket 21, preceding
Support bottom plate 211, fore-stock left plate 212, fore-stock right plate 213, fore-stock back plate 214, transition connection flat board 22, transition
Connecting hole 23, front-suspension bracket 3, external groove 31, the No.1 wing 33, left vertical beam 34, left cant beam 35, middle flat-topped ridge in 32, No. two wings
36th, right cant beam 37, right vertical beam 38, front suspending cushion assembly 4, upper skeleton 5, upper plate 51, upper in-flanges 52, upper flanging 53,
Upper connecting hole 54, upper left foot 55, upper groove 56, upper wide chamber 561, it is middle cone chamber 562, under narrow chamber 563, upper right crus of diaphragm 57, rubber bodies 6,
Bolt slot 61, lower skeleton 7, lower shoe 71, lower in-flanges 72, lower flanging 73, lower connecting hole 74, bottom left platform portion 75, lower protruding block
76th, lower narrow portion 761, middle tapering 762, upper wide part 763, bottom right platform portion 77, rear-suspending assembly 8, rear-suspending unit 81, rear-suspending branch
Frame 82, rear-suspending cushion assembly 83, engaging gap 9, upper gap 91, intermediate gap 92, lower gap 93.
Embodiment
Below in conjunction with brief description of the drawings, the present invention is further detailed explanation with embodiment.
Referring to Fig. 1 to Figure 10, a kind of pure electric commercial vehicle powertrain mounting system, including front-suspension assembly 2 and rear overhang
Assembly 8 is put, the front end of power assembly 1 is connected by the front-suspension assembly 2 with longitudinal beam 13, and the rear-suspending assembly 8 will
The rear end of power assembly 1 is connected with longitudinal beam 13；
The front-suspension assembly 2 includes front-suspension bracket 21, front suspending cushion assembly 4 and front-suspension bracket 3, the power assembly
1 front end is connected after front-suspension bracket 21, front suspending cushion assembly 4 with the middle part of front-suspension bracket 3 successively, front-suspension support
The left and right ends of frame 3 are connected with longitudinal beam 13, and the left and right ends of front-suspension bracket 3 are set higher than the middle part of front-suspension bracket 3
Put, and front-suspension bracket 3 is U-shape structure；
The rear-suspending assembly 8 includes symmetrical rear-suspending unit 81, and the rear-suspending unit 81 includes rear suspension bracket 82
With rear-suspending cushion assembly 83, the rear end of the power assembly 1 successively after rear suspension bracket 82, rear-suspending cushion assembly 83 with
Longitudinal beam 13 is connected；
The front-suspension bracket 21, front suspending cushion assembly 4, the connection of front-suspension bracket 3 between any two are all vertical urgent company
Connect, the connection between the rear suspension bracket 82, rear-suspending cushion assembly 83 is vertical urgent connection.
The power assembly 1 includes the motor 11 being connected with each other and gearbox 12, the motor 11 are located at power assembly 1
Front end, the gearbox 12 are located at the rear end of power assembly 1；The front end of the motor 11 is successively through front-suspension bracket 21, front overhang
Be connected after putting cushion assembly 4 with the middle part of front-suspension bracket 3, the rear end of the gearbox 12 successively through rear suspension bracket 82,
It is connected after rear-suspending cushion assembly 83 with longitudinal beam 13.
The left and right ends of the front-suspension bracket 3 are connected with the outer clad can of longitudinal beam 13, and the rear-suspending cushion is total
It is connected into 83 with the interior clad can of longitudinal beam 13.
The front-suspension bracket 21 includes fore-stock bottom plate 211, fore-stock left plate 212, fore-stock right plate 213 and U
The fore-stock back plate 214 of type, the middle part of the fore-stock bottom plate 211 are connected with the front suspending cushion assembly 4 being disposed below,
The bottom vertical connection of the rear end of fore-stock bottom plate 211 and the middle part of fore-stock back plate 214, the left and right two of fore-stock back plate 214
End is connected with the front end of power assembly 1, fore-stock back plate 214, fore-stock bottom plate 211 be connected with each other it is folded into space and before
Support left plate 212, fore-stock right plate 213 inlay connection.
The front suspending cushion assembly 4 includes from top to bottom being sequentially connected, and vulcanizes the upper skeleton 5 being integrated, rubber bodies 6
With lower skeleton 7, the upper skeleton 5 includes upper plate 51 and the upper in-flanges 52, the upper flanging that are connected with side inside and outside it
53, the lower skeleton 7 includes lower shoe 71 and the lower in-flanges 72, the lower flanging 73 that are connected with side inside and outside it, upper interior
Flange 52, lower in-flanges 72 are in approximately the same plane, and upper flanging 53, lower flanging 73 are in approximately the same plane, and rubber bodies 6
Between upper in-flanges 52, the place plane of lower in-flanges 72 and upper flanging 53, the place plane of lower flanging 73；
The top surface of the upper plate 51 is connected with front-suspension bracket 21, and the bottom surface of upper plate 51 connects with the top surface of rubber bodies 6
Touch, the bottom surface of rubber bodies 6 is in contact with the top surface of lower shoe 71, and the bottom surface of lower shoe 71 is connected with the middle part of front-suspension bracket 3
Connect, the medial surface of the near rubber bodies 6 of the upper in-flanges 52, lower in-flanges 72 is set, and upper flanging 53, lower flanging 73 are near
The lateral surface of rubber bodies 6 is set.
The upper connecting hole 54 being connected with front-suspension bracket 21, the lower shoe are offered on the both ends of the upper plate 51
Offered on 71 both ends and the lower connecting hole 74 that the middle part of flat board 22 is connected is connected with transition, the transition connection flat board 22
Corner offers the transition connecting hole 23 being connected with the middle part of front-suspension bracket 3.
The upper in-flanges 52, the structure of upper flanging 53 are consistent, include upper left foot 55, the upper groove 56 being sequentially connected
With upper right crus of diaphragm 57；The lower in-flanges 72, the structure of lower flanging 73 are consistent, include be sequentially connected bottom left platform portion 75, under
Projection 76 and bottom right platform portion 77, upper groove 56 and 76 mutual clamping of lower protruding block on its interior, upper groove 56, lower protruding block 76 it
Between engaging gap 9 be present, and upper left foot 55 is set higher than bottom left platform portion 75, and upper right crus of diaphragm 57 is set higher than bottom right platform portion 77.
The upper groove 56 include from top to bottom be sequentially communicated upper wide chamber 561, it is middle cone chamber 562 with narrow chamber 563, it is described
The diameter of middle cone chamber 562 is in from top to bottom tapered change, and the diameter of upper wide chamber 561 be more than under narrow chamber 563 diameter；Under described
Projection 76 includes lower narrow portion 761, middle tapering 762 and the upper wide part 763 being sequentially connected from the bottom to top, the middle tapering 762 it is straight
Footpath is in gradually wide change from the bottom to top, and the diameter of lower narrow portion 761 is less than the diameter of upper wide part 763；The upper wide chamber 561 is with being located at
Upper gap 91 between its internal upper wide part 763 be present, in existing between middle cone chamber 562 and middle tapering 762 on its interior
Gap 92, under between narrow chamber 563 and lower narrow portion 761 on its interior in the presence of gap 93, and upper gap 91, intermediate gap 92,
Lower 93 mutual UNICOM of gap engages gap 9 to form.
The upper wide chamber 561, under narrow chamber 563, upper wide part 763, the cross section of lower narrow portion 761 be all rectangle, the middle cone
Chamber 562, the cross section in middle tapering 762 are wide at the top and narrow at the bottom trapezoidal；The magnitude range in the engaging gap 9 is 7-15 millimeters.
A kind of assembly method of above-mentioned pure electric commercial vehicle powertrain mounting system, the assembly method include following step
Suddenly：
During assembling, the assembling of internal element, external unit first is carried out simultaneously, then falls to fill power assembly 1, then by front suspending cushion
Assembly 4 carries out vertical urgent connection with front-suspension bracket 3, and rear suspension bracket 82 carries out vertical urgent with rear-suspending cushion assembly 83
Connection, can complete this assembling after connection；
The assembling of the internal element refers to：First front-suspension bracket 21 is connected with the front end of power assembly 1, rear suspension bracket
82 are connected with the rear end of power assembly 1, then front-suspension bracket 21 is carried out into vertical urgent connection with front suspending cushion assembly 4；
The assembling of the external unit refers to：Front-suspension bracket 3, rear-suspending cushion assembly 83 are carried out with longitudinal beam 13 respectively
Connection.
The principle of the present invention is described as follows：
Front-suspension bracket 21, front suspending cushion assembly 4, the connection of front-suspension bracket 3 between any two are all vertical urgent connection, after
Connection between mounting bracket 82, rear-suspending cushion assembly 83 is vertical urgent connection：" vertical urgent connection " refers to one kind
Assembly method connected vertically, the assembly method facilitate operation（If side connects, worker need to bend over to operate, and influence
Visual angle is operated, efficiency is low）, beneficial to lifting efficiency of assembling.
The present invention is in assembling, the front end of power assembly 1（Motor 11）With front-suspension bracket 21, front suspending cushion assembly 4
Connection, and the connection of front-suspension bracket 3 and longitudinal beam 13 can be in packing line or parts producer（Such as electrical machinery plant, car
Frame factory）Packing is completed in advance, to reduce the assembly process of general assembly line, saves the installation time of general assembly line.
Embodiment 1：
Referring to Fig. 1 to Figure 10, a kind of pure electric commercial vehicle powertrain mounting system, including front-suspension assembly 2 and rear-suspending it is total
Into 8, the front end of power assembly 1 is connected by the front-suspension assembly 2 with longitudinal beam 13, and the rear-suspending assembly 8 is by power
The rear end of assembly 1 is connected with longitudinal beam 13；The front-suspension assembly 2 includes front-suspension bracket 21, front suspending cushion assembly 4
With front-suspension bracket 3, the front end of the power assembly 1 successively after front-suspension bracket 21, front suspending cushion assembly 4 with front-suspension
The middle part of bracket 3 is connected, and the left and right ends of front-suspension bracket 3 are connected with longitudinal beam 13（Such as being cladded with for longitudinal beam 13
Face）, the left and right ends of front-suspension bracket 3 are set higher than the middle part of front-suspension bracket 3, and front-suspension bracket 3 is U-shape structure；Institute
Stating rear-suspending assembly 8 includes symmetrical rear-suspending unit 81, and the rear-suspending unit 81 includes rear suspension bracket 82 and rear overhang
Cushion assembly 83 is put, the rear end of the power assembly 1 is indulged after rear suspension bracket 82, rear-suspending cushion assembly 83 with vehicle frame successively
Beam 13 is connected（Such as the interior clad can of longitudinal beam 13）；The front-suspension bracket 21, front suspending cushion assembly 4, front-suspension bracket 3
All for vertical urgent connection, the connection between the rear suspension bracket 82, rear-suspending cushion assembly 83 is for connection between any two
Vertical urgent connection.It is preferred that power assembly 1 includes the motor 11 being connected with each other and gearbox 12, it is total that the motor 11 is located at power
Into 1 front end, the gearbox 12 is located at the rear end of power assembly 1；The front end of the motor 11 successively through front-suspension bracket 21,
Middle part after front suspending cushion assembly 4 with front-suspension bracket 3 is connected, and the rear end of the gearbox 12 is successively through rear suspension bracket
82nd, it is connected after rear-suspending cushion assembly 83 with longitudinal beam 13.
A kind of assembly method of above-mentioned pure electric commercial vehicle powertrain mounting system, the assembly method include following step
Suddenly：During assembling, the assembling of internal element, external unit first is carried out simultaneously, then falls to fill power assembly 1, then by front suspending cushion
Assembly 4 carries out vertical urgent connection with front-suspension bracket 3, and rear suspension bracket 82 carries out vertical urgent with rear-suspending cushion assembly 83
Connection, can complete this assembling after connection；The assembling of the internal element refers to：First by front-suspension bracket 21 and power assembly 1
Front end be connected, rear suspension bracket 82 is connected with the rear end of power assembly 1, then by front-suspension bracket 21 and front suspending cushion
Assembly 4 carries out vertical urgent connection；The assembling of the external unit refers to：Front-suspension bracket 3, rear-suspending cushion assembly 83 are divided
It is not attached with longitudinal beam 13.
Embodiment 2：
With embodiment 1, difference is substance：
The front-suspension bracket 21 include fore-stock bottom plate 211, fore-stock left plate 212, fore-stock right plate 213 with it is U-shaped
Fore-stock back plate 214, the middle part of the fore-stock bottom plate 211 are connected with the front suspending cushion assembly 4 being disposed below, preceding branch
The bottom vertical connection at the rear end of frame bottom plate 211 and the middle part of fore-stock back plate 214, the left and right ends of fore-stock back plate 214 with
The front end of power assembly 1 is connected, fore-stock back plate 214, fore-stock bottom plate 211 be connected with each other it is folded into space and fore-stock
Left plate 212, fore-stock right plate 213 inlay connection.
Embodiment 3：
With embodiment 1, difference is substance：
The front suspending cushion assembly 4 includes from top to bottom being sequentially connected, and vulcanizes the upper skeleton 5 being integrated, rubber bodies 6 with
Skeleton 7, the upper skeleton 5 include upper plate 51 and the upper in-flanges 52, the upper flanging 53 that are connected with side inside and outside it, institute
Stating lower skeleton 7 includes lower shoe 71 and the lower in-flanges 72, the lower flanging 73 that are connected with side inside and outside it, upper in-flanges
52nd, lower in-flanges 72 is in approximately the same plane, and upper flanging 53, lower flanging 73 are in approximately the same plane, and rubber bodies 6 are located at
Between upper in-flanges 52, the place plane of lower in-flanges 72 and upper flanging 53, the place plane of lower flanging 73；The upper plate
51 top surface is connected with front-suspension bracket 21, and the bottom surface of upper plate 51 is in contact with the top surface of rubber bodies 6, the bottom of rubber bodies 6
Face is in contact with the top surface of lower shoe 71, and the bottom surface of lower shoe 71 is connected with the middle part of front-suspension bracket 3, the upper in-flanges
52nd, the medial surface of the near rubber bodies 6 of lower in-flanges 72 is set, the lateral surface of the near rubber bodies 6 of upper flanging 53, lower flanging 73
Set.It is preferred that the upper connecting hole 54 being connected with front-suspension bracket 21 is offered on the both ends of upper plate 51, the lower shoe 71
Both ends on offer the lower connecting hole 74 that the middle part of flat board 22 is connected be connected with transition, the four of the transition connection flat board 22
Angle offers the transition connecting hole 23 being connected with the middle part of front-suspension bracket 3.
Embodiment 4：
With embodiment 3, difference is substance：
The upper in-flanges 52, the structure of upper flanging 53 are consistent, include be sequentially connected upper left foot 55, upper groove 56 with it is upper
Right crus of diaphragm 57；The lower in-flanges 72, the structure of lower flanging 73 are consistent, include bottom left platform portion 75, the lower protruding block being sequentially connected
76 with bottom right platform portion 77, upper groove 56 and 76 mutual clamping of lower protruding block on its interior are deposited between upper groove 56, lower protruding block 76
In engaging gap 9, and upper left foot 55 is set higher than bottom left platform portion 75, and upper right crus of diaphragm 57 is set higher than bottom right platform portion 77.The fovea superior
Groove 56 includes the upper wide chamber 561, the middle cone chamber 562 narrow chamber 563 with that are from top to bottom sequentially communicated, the diameter of the middle cone chamber 562
Be in from top to bottom tapered change, and the diameter of upper wide chamber 561 be more than under narrow chamber 563 diameter；The lower protruding block 76 is included under
The supreme lower narrow portion 761 being sequentially connected, middle tapering 762 and upper wide part 763, the diameter in the middle tapering 762 is from the bottom to top in gradually
Width change, and the diameter of lower narrow portion 761 is less than the diameter of upper wide part 763；The upper wide chamber 561 and upper wide part on its interior
Upper gap 91 between 763 be present, intermediate gap 92 be present between middle cone chamber 562 and middle tapering 762 on its interior, under narrow chamber
Gap 93 in the presence of between 563 and lower narrow portion 761 on its interior, and upper gap 91, intermediate gap 92, the interconnection of the phase of lower gap 93
Pass to composition engaging gap 9.It is preferred that upper wide chamber 561, under narrow chamber 563, upper wide part 763, the cross section of lower narrow portion 761 be all square
Shape, middle cone chamber 562, the cross section in middle tapering 762 are wide at the top and narrow at the bottom trapezoidal；The magnitude range in the engaging gap 9
For 7-15 millimeters.
Embodiment 5：
With embodiment 1, difference is substance：
Front-suspension bracket 3 includes external groove 31, the No.1 wing at 32 and No. two wings 33, the bottom outwardly convex of the external groove 31
Set, the top of external groove 31 33 is connected with the No.1 wing in 32, No. two wings respectively, and the No.1 wing is in 32, No. two wings 33
Altogether in approximately the same plane.Meanwhile the left vertical beam 34, left cant beam 35, middle flat-topped ridge 36, right that front-suspension bracket 3 includes being sequentially connected
Cant beam 37 and right vertical beam 38, left vertical beam 34,38 symmetrical setting of right vertical beam, left vertical beam 34, right vertical beam 38 are parallel to each other, left
Cant beam 35, the 37 symmetrical setting of right cant beam, middle flat-topped ridge 36 connect flat board 22 and the phase of lower shoe 71 in lower skeleton 7 through transition
Connection, the outer clad can of left vertical beam 34, left cant beam 35 respectively with left and right longitudinal beam 13 are connected.
Claims (10)
1. a kind of pure electric commercial vehicle powertrain mounting system, including front-suspension assembly（2）With rear-suspending assembly（8）, it is described
Front-suspension assembly（2）By power assembly（1）Front end and longitudinal beam（13）It is connected, the rear-suspending assembly（8）By power
Assembly（1）Rear end and longitudinal beam（13）It is connected, it is characterised in that：
The front-suspension assembly（2）Including front-suspension bracket（21）, front suspending cushion assembly（4）With front-suspension bracket（3）, it is described
Power assembly（1）Front end successively through front-suspension bracket（21）, front suspending cushion assembly（4）Afterwards with front-suspension bracket（3）In
Portion is connected, front-suspension bracket（3）Left and right ends and longitudinal beam（13）It is connected, front-suspension bracket（3）Left and right ends
Higher than front-suspension bracket（3）Middle part set, and front-suspension bracket（3）For U-shape structure；
The rear-suspending assembly（8）Including symmetrical rear-suspending unit（81）, the rear-suspending unit（81）Including rear-suspending
Support（82）With rear-suspending cushion assembly（83）, the power assembly（1）Rear end successively through rear suspension bracket（82）, rear-suspending
Cushion assembly（83）Afterwards with longitudinal beam（13）It is connected；
The front-suspension bracket（21）, front suspending cushion assembly（4）, front-suspension bracket（3）Connection between any two is all vertical
Urgent connection, the rear suspension bracket（82）, rear-suspending cushion assembly（83）Between connection be vertical urgent connection.
A kind of 2. pure electric commercial vehicle powertrain mounting system according to claim 1, it is characterised in that：The power
Assembly（1）Motor including interconnection（11）With gearbox（12）, the motor（11）Positioned at power assembly（1）Front end,
The gearbox（12）Positioned at power assembly（1）Rear end；The motor（11）Front end successively through front-suspension bracket（21）, it is preceding
Suspending soft cushion assembly（4）Afterwards with front-suspension bracket（3）Middle part be connected, the gearbox（12）Rear end successively through rear-suspending
Support（82）, rear-suspending cushion assembly（83）Afterwards with longitudinal beam（13）It is connected.
A kind of 3. pure electric commercial vehicle powertrain mounting system according to claim 1 or 2, it is characterised in that：It is described
Front-suspension bracket（3）Left and right ends and longitudinal beam（13）Outer clad can be connected, the rear-suspending cushion assembly（83）With
Longitudinal beam（13）Interior clad can be connected.
A kind of 4. pure electric commercial vehicle powertrain mounting system according to claim 1 or 2, it is characterised in that：It is described
Front-suspension bracket（21）Including fore-stock bottom plate（211）, fore-stock left plate（212）, fore-stock right plate（213）With it is U-shaped
Fore-stock back plate（214）, the fore-stock bottom plate（211）Middle part and the front suspending cushion assembly that is disposed below（4）It is connected
Connect, fore-stock bottom plate（211）Rear end and fore-stock back plate（214）Middle part bottom vertical connection, fore-stock back plate（214）
Left and right ends and power assembly（1）Front end be connected, fore-stock back plate（214）, fore-stock bottom plate（211）It is connected with each other institute
The space pressed from both sides and fore-stock left plate（212）, fore-stock right plate（213）Inlay connection.
A kind of 5. pure electric commercial vehicle powertrain mounting system according to claim 1 or 2, it is characterised in that：
The front suspending cushion assembly（4）Including being from top to bottom sequentially connected, and the upper skeleton that vulcanization is integrated（5）, rubber bodies
（6）With lower skeleton（7）, the upper skeleton（5）Including upper plate（51）And the upper in-flanges being connected with side inside and outside it
（52）, upper flanging（53）, the lower skeleton（7）Including lower shoe（71）And the lower in-flanges being connected with side inside and outside it
（72）, lower flanging（73）, upper in-flanges（52）, lower in-flanges（72）In approximately the same plane, upper flanging（53）, under turn up
Side（73）In approximately the same plane, and rubber bodies（6）Positioned at upper in-flanges（52）, lower in-flanges（72）Place plane and upper outer
Flange（53）, lower flanging（73）Between the plane of place；
The upper plate（51）Top surface and front-suspension bracket（21）It is connected, upper plate（51）Bottom surface and rubber bodies（6）'s
Top surface is in contact, rubber bodies（6）Bottom surface and lower shoe（71）Top surface be in contact, lower shoe（71）Bottom surface and front-suspension support
Frame（3）Middle part be connected, the upper in-flanges（52）, lower in-flanges（72）Near rubber bodies（6）Medial surface set, it is upper outer
Flange（53）, lower flanging（73）Near rubber bodies（6）Lateral surface set.
A kind of 6. pure electric commercial vehicle powertrain mounting system according to claim 5, it is characterised in that：The upper top
Plate（51）Both ends on offer and front-suspension bracket（21）The upper connecting hole being connected（54）, the lower shoe（71）Both ends
On offer and be connected flat board with transition（22）The lower connecting hole that is connected of middle part（74）, the transition connection flat board（22）Four
Angle offers and front-suspension bracket（3）The transition connecting hole that is connected of middle part（23）.
A kind of 7. pure electric commercial vehicle powertrain mounting system according to claim 5, it is characterised in that：It is described interior
Flange（52）, upper flanging（53）Structure it is consistent, include the upper left foot that is sequentially connected（55）, upper groove（56）With upper right crus of diaphragm
（57）；The lower in-flanges（72）, lower flanging（73）Structure it is consistent, include the bottom left platform portion that is sequentially connected（75）, under
Projection（76）With bottom right platform portion（77）, upper groove（56）With lower protruding block on its interior（76）Mutual clamping, upper groove（56）、
Lower protruding block（76）Between exist engaging gap（9）, and upper left foot（55）Higher than bottom left platform portion（75）Set, upper right crus of diaphragm（57）It is higher than
Bottom right platform portion（77）Set.
A kind of 8. pure electric commercial vehicle powertrain mounting system according to claim 7, it is characterised in that：The fovea superior
Groove（56）Including the upper wide chamber being from top to bottom sequentially communicated（561）, middle cone chamber（562）The narrow chamber with（563）, the middle cone chamber
（562）Diameter be in from top to bottom tapered change, and upper wide chamber（561）Diameter be more than under narrow chamber（563）Diameter；Under described
Projection（76）Including the lower narrow portion being sequentially connected from the bottom to top（761）, middle tapering（762）With upper wide part（763）, the middle tapering
（762）Diameter be in gradually wide change from the bottom to top, and lower narrow portion（761）Diameter be less than upper wide part（763）Diameter；On described
Wide chamber（561）With upper wide part on its interior（763）Between upper gap be present（91）, middle cone chamber（562）With it is on its interior
Middle tapering（762）Between intermediate gap be present（92）, under narrow chamber（563）With lower narrow portion on its interior（761）Between exist
Lower gap（93）, and upper gap（91）, intermediate gap（92）, lower gap（93）Mutual UNICOM engages gap to form（9）.
A kind of 9. pure electric commercial vehicle powertrain mounting system according to claim 8, it is characterised in that：The upper width
Chamber（561）, under narrow chamber（563）, upper wide part（763）, lower narrow portion（761）Cross section be all rectangle, the middle cone chamber（562）、
Middle tapering（762）Cross section be wide at the top and narrow at the bottom trapezoidal；The engaging gap（9）Magnitude range be 7-15 millimeters.
10. a kind of assembly method of the pure electric commercial vehicle powertrain mounting system described in claim 1 or 2, its feature exist
Comprise the following steps in the assembly method：
During assembling, the assembling of internal element, external unit first is carried out simultaneously, then fall to fill power assembly（1）, it is then that front-suspension is soft
Pad assembly（4）With front-suspension bracket（3）Carry out vertical urgent connection, rear suspension bracket（82）With rear-suspending cushion assembly（83）Enter
The vertical urgent connection of row, can complete this assembling after connection；
The assembling of the internal element refers to：First by front-suspension bracket（21）With power assembly（1）Front end be connected, rear-suspending
Support（82）With power assembly（1）Rear end be connected, then by front-suspension bracket（21）With front suspending cushion assembly（4）Hung down
Straight urgent connection；
The assembling of the external unit refers to：By front-suspension bracket（3）, rear-suspending cushion assembly（83）Respectively with longitudinal beam
（13）It is attached.
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| CN201710571540.9A CN107344489B (en) | 2017-07-13 | 2017-07-13 | Power assembly suspension system of pure electric commercial vehicle and assembly method thereof |
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|---|---|---|---|
| CN201710571540.9A CN107344489B (en) | 2017-07-13 | 2017-07-13 | Power assembly suspension system of pure electric commercial vehicle and assembly method thereof |
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| CN107344489B CN107344489B (en) | 2023-09-01 |
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| CN107878169A (en) * | 2017-11-30 | 2018-04-06 | 苏州奥杰汽车技术股份有限公司 | A kind of high automobile motor system suspending apparatus of bonding strength |
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| CN108909836A (en) * | 2018-08-10 | 2018-11-30 | 深圳市德塔防爆电动汽车有限公司 | Thin layer electric car and its frame system and frame |
| CN111873774A (en) * | 2020-07-27 | 2020-11-03 | 东风汽车股份有限公司 | Rear-mounted rear-drive system of electric automobile |
| CN112483631A (en) * | 2020-11-06 | 2021-03-12 | 安徽江淮汽车集团股份有限公司 | Connection structure and transmission |
| CN112721602A (en) * | 2021-02-22 | 2021-04-30 | 东风商用车有限公司 | Power assembly suspension system |
| CN114194012A (en) * | 2021-12-17 | 2022-03-18 | 东风襄阳旅行车有限公司 | New energy automobile driving motor suspension structure |
| CN114454704A (en) * | 2022-01-18 | 2022-05-10 | 东风汽车股份有限公司 | Rear suspension cushion assembly for large-torque output power assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112721602A (en) * | 2021-02-22 | 2021-04-30 | 东风商用车有限公司 | Power assembly suspension system |
| CN114194012A (en) * | 2021-12-17 | 2022-03-18 | 东风襄阳旅行车有限公司 | New energy automobile driving motor suspension structure |
| CN114454704A (en) * | 2022-01-18 | 2022-05-10 | 东风汽车股份有限公司 | Rear suspension cushion assembly for large-torque output power assembly |
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