CN109164388A - A kind of performance detecting system of hub motor for electric automobile - Google Patents
A kind of performance detecting system of hub motor for electric automobile Download PDFInfo
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- CN109164388A CN109164388A CN201811366544.4A CN201811366544A CN109164388A CN 109164388 A CN109164388 A CN 109164388A CN 201811366544 A CN201811366544 A CN 201811366544A CN 109164388 A CN109164388 A CN 109164388A
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- electric automobile
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- 230000007246 mechanism Effects 0.000 claims abstract description 109
- 238000005259 measurement Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 29
- 238000004088 simulation Methods 0.000 claims description 29
- 230000001681 protective effect Effects 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
Abstract
The present invention relates to a kind of performance detecting systems of hub motor for electric automobile, include wheel connection frame mechanism, Plumb load mechanism, lateral loading mechanism and roller measurement of power mechanism;One end of wheel connection frame mechanism is fixedly connected with wheel, and Plumb load mechanism and lateral loading mechanism connect the other end connection of frame mechanism with wheel;Plumb load mechanism is for driving Wheel mounting bracket mechanism and carrying out Plumb load to wheel;Lateral loading mechanism is for driving Wheel mounting bracket mechanism and laterally being loaded to wheel;The roller of roller measurement of power mechanism is engaged with wheel, and roller measurement of power mechanism can detect wheel operation data.Plumb load mechanism can carry out Plumb load to wheel in the present invention, lateral loading mechanism can laterally load wheel, roller measurement of power mechanism can detect wheel operation data, more careful load simulated test is carried out to hub motor to realize, precision is high, it is easy to operate and easy to spread.
Description
Technical field
The present invention relates to the property of a kind of performance detecting system of hub motor more particularly to a kind of hub motor for electric automobile
It can detection system.
Background technique
In face of increasingly serious energy crisis and problem of environmental pollution, countries in the world are announced in succession when prohibiting selling fuel-engined vehicle
Between, develop new-energy automobile and has become irresistible trend.The mainstream that electric car develops as new-energy automobile, has obtained
Large development.It is referred to as the final driving mould of the following electric car with the driving method of hub motor device driving electric car
Formula has extensive market prospects.
The safety of electric car, reliability are very important performance indicator, therefore the performance test to hub motor
It is an essential job.It is more to the test device of orthodox car currently on the market, and for electric automobile hub electricity
The testboard of machine is fewer and fewer.For at this stage, the test and debugging for hub motor electric wheel-driving device performance are big
Traditional test method is mostly used, exactly hub motor is mounted on electric car and carries out actual measurement, this method efficiency
It is extremely low, and there is great security risk.Further, since the also non-large-scale promotion of hub motor driven electric vehicle, existing
Hub motor testboard technology is not mature enough, on the market existing hub motor for electric automobile simulation load dress few in number
It sets and all only considered single vertical load load, such as patent CN201521064909.X and CN201420154405.6, only
Consider the load of hub motor vertical load, and electric car load distribution suffered in actual moving process is multidirectional
, only consider that the hub motor for electric automobile simulation load device of vertical load can not reflect the practical work of electric car completely
Condition, therefore its performance test data accuracy is lower, has great security risk, seriously hinders hub motor technology in electricity
Raising is advanced optimized on electrical automobile.
Summary of the invention
In view of the above problems, the present invention provides a kind of performance detecting systems of hub motor for electric automobile, to promote to take turns
It hub motor technology advanced optimizing on electric car and improves.
To achieve the above object, the invention provides the following technical scheme: a kind of performance detection of hub motor for electric automobile
System includes wheel connection frame mechanism, Plumb load mechanism, lateral loading mechanism and roller measurement of power mechanism;
One end of wheel connection frame mechanism is fixedly connected with wheel, and the Plumb load mechanism and lateral loading mechanism are and vehicle
The other end connection of wheel connection frame mechanism;
The Plumb load mechanism is for driving Wheel mounting bracket mechanism and carrying out Plumb load to wheel;
The lateral loading mechanism is for driving Wheel mounting bracket mechanism and laterally being loaded to wheel;
The roller of roller measurement of power mechanism is engaged with wheel, and roller measurement of power mechanism can carry out wheel operation data
Detection.
Preferably, roller measurement of power mechanism includes drum shaft, roller bearings bracket, inertia simulation flywheel gear, is used to
Property simulated machine, shaft coupling and dynamometer motor device;
Roller of the drum shaft on connection roller and inertia simulation flywheel gear, the drum shaft and roller bearings bracket
Bearing is connected and fixed, and the inertia simulation motor is connect by driving belt with inertia simulation flywheel gear, the drum shaft
One end connects dynamometer motor device by shaft coupling.
Preferably, the quantity of the roller bearings bracket is three;
The roller and dynamometer motor device are located at the two sides of inertia simulation flywheel gear.
Preferably, the wheel connection frame mechanism includes two fixed links arranged in parallel, the fixed link
One end connects wheel by connection turntable, and the other end of the fixed link is provided with Rotary Connection block, the Rotary Connection block
Center is fixedly connected with force transmission shaft, and two fixed links are fixedly connected with the two sides of Rotary Connection block respectively;
The power transmission axis connection Plumb load mechanism and lateral loading mechanism.
Preferably, the first guide rail is provided on the two sides of the Rotary Connection block, the fixed link is arranged in the first guide rail
On;
Axial angle sensor is fixedly installed on the rotation axis of the Rotary Connection block.
Preferably, the Plumb load mechanism includes protective cover, ball-screw, Plumb load motor and force transmitting board;
The ball-screw is arranged in intracavitary in protective cover, and the both ends of the ball-screw connect by the way that bearing and protective cover are fixed
It connecing, the Plumb load motor is connect by transmission gear with ball-screw, the second guide rail is provided at the top of the protective cover,
The force transmitting board is arranged on the second guide rail and connect with ball-screw, and the force transmitting board connects force transmission shaft by bearing.
Preferably, the Plumb load mechanism further includes having jack, jack stand and spring;
Described jack one end is fixedly connected with jack stand, and the jack other end is connected by spring and power transmission shaft end
It connects.
Preferably, tension sensor is connected between the spring and power transmission shaft end.
Preferably, the lateral loading mechanism includes lateral loading motor, lateral loading motor bracket and worm and gear
Device;
The lateral loading motor is fixedly mounted on lateral loading motor bracket, the lateral loading motor bracket and force transmitting board
It is fixedly connected.
The worm-drive of the lateral loading motor and worm gear device connects, and the force transmission shaft is through connection worm gear snail
The worm gear of lever apparatus, the worm and wheel transmission cooperation.
Preferably, the Plumb load mechanism and roller measurement of power mechanism are arranged on cushion block;
The bottom of the protective cover and Plumb load motor is fixedly connected with support plate, is provided with third on the cushion block and leads
Rail, the support plate are arranged on third guide rail;
The wheel connection frame mechanism further includes having wheel auxiliary stand, the top of the wheel auxiliary stand and the end of fixed link
End connection, the bottom of the wheel auxiliary stand is connect with cushion block;
The support rim being engaged with Rotary Connection block is provided on the force transmitting board.
The utility model has the advantages that a kind of performance detecting system of (1) hub motor for electric automobile of the invention, Plumb load mechanism can
Plumb load is carried out to wheel, lateral loading mechanism can laterally load wheel, and roller measurement of power mechanism can run wheel
Data are detected, and more careful load simulated test is carried out to hub motor to realize, precision is high, easy to operate,
And it is easy to spread.
(2) roller of the performance detecting system of a kind of hub motor for electric automobile of the invention, roller measurement of power mechanism can mould
Quasi- to replace road surface, the various resistances that automobile is encountered when normally driving at a constant speed are existed by vertical lateral loading mechanism simulation, automobile
When accelerating and sliding, suffered resistance is simulated by the rotary inertia of inertia simulation flywheel gear, is examined to the performance of hub motor
It is good to survey effect, data are accurate, comprehensive.
(3) performance detecting system of a kind of hub motor for electric automobile of the invention, the design of wheel connection frame mechanism structure
Rationally, wheel can be fixed well, while precisely can effectively transmits vertical lateral loading force.
(4) performance detecting system of a kind of hub motor for electric automobile of the invention, Plumb load are passed by ball-screw
Pass switching kinetics, lateral load by worm and gear transmitting and converting power, have the characteristics that in high precision, invertibity and efficient.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention one.
Fig. 2 is schematic structural view of the invention two.
Fig. 3 is that Plumb load mechanism connect frame mechanism cooperation schematic diagram with wheel in the present invention.
Fig. 4 is that lateral loading mechanism connect frame mechanism cooperation schematic diagram with wheel in the present invention.
In figure: 1- wheel connection frame mechanism, 11- fixed link, 12- connection turntable, 13- Rotary Connection block, 131- first are led
Rail, 14- force transmission shaft, 15- wheel auxiliary stand, 2- Plumb load mechanism, 21- protective cover, the second guide rail of 211-, 22- ball wire
Thick stick, 23- Plumb load motor, 24- force transmitting board, 241- support rim, 25- jack, 26- jack stand, 27- spring, 3-
Lateral loading mechanism, the side 31- is to loading motor, and the side 32- is to loading motor bracket, 33- worm gear device, 4- roller dynamometer machine
Structure, 41- roller, 42- drum shaft, 43- roller bearings bracket, 44- inertia simulation flywheel gear, 45- inertia simulation motor, 46-
Shaft coupling, 47- dynamometer motor device, 5- wheel, 6- cushion block, 61- third guide rail, 7- support plate.
Specific embodiment
Further specific description is carried out to the invention patent below in conjunction with attached drawing.
As shown in Figs 1-4, a kind of performance detecting system of hub motor for electric automobile, include wheel connection frame mechanism 1,
Plumb load mechanism 2, lateral loading mechanism 3 and roller measurement of power mechanism 4;
One end of the wheel connection frame mechanism 1 is fixedly connected with wheel 5, and the Plumb load mechanism 2 and lateral loading mechanism 3 are equal
The other end connection of frame mechanism 1 is connect with wheel;
The Plumb load mechanism 2 is for driving Wheel mounting bracket mechanism 1 and carrying out Plumb load to wheel 5;
The lateral loading mechanism 3 is for driving Wheel mounting bracket mechanism 1 and laterally being loaded to wheel 5;
The roller 41 of roller measurement of power mechanism 4 is engaged with wheel 5, and roller measurement of power mechanism 4 can run number to wheel 5
According to being detected.
Roller measurement of power mechanism 4 includes drum shaft 42, roller bearings bracket 43, inertia simulation flywheel gear 44, is used to
Property simulated machine 45, shaft coupling 46 and dynamometer motor device 47;
The drum shaft 42 runs through connection roller 41 and inertia simulation flywheel gear 44, the drum shaft 42 and roller bearings bracket
Roller bearings on 43 are connected and fixed, and the inertia simulation motor 45 is connected by driving belt and inertia simulation flywheel gear 44
It connects, one end of the drum shaft 42 connects dynamometer motor device 47 by shaft coupling 46.
The quantity of the roller bearings bracket 43 is three;
The roller 41 and dynamometer motor device 47 are located at the two sides of inertia simulation flywheel gear 44.
Wheel connection frame mechanism 1 includes there are two fixed link 11 arranged in parallel the one of the fixed link 11
End connects wheel 5 by connection turntable 12, and the other end of the fixed link 11 is provided with Rotary Connection block 13, the rotation connection
The center of block 13 is fixedly connected with force transmission shaft 14, and two fixed links 11 are fixed with the two sides of Rotary Connection block 12 respectively to be connected
It connects;
The force transmission shaft 14 connects Plumb load mechanism 2 and lateral loading mechanism 3.
The first guide rail 131 is provided on the two sides of the Rotary Connection block 13, the fixed link 11 is arranged in the first guide rail
On 131;Fixation is attached so as to the wheel 5 to different width specifications.
It is fixedly installed axial angle sensor on the rotation axis of the Rotary Connection block 13, to test the rotation of wheel 5
Angle calculates applied lateral force.
The Plumb load mechanism 2 includes protective cover 21, ball-screw 22, Plumb load motor 23 and force transmitting board 24;
The ball-screw 22 is arranged in intracavitary in protective cover 21, and the both ends of the ball-screw 22 pass through bearing and protective cover
21 are fixedly connected, and the Plumb load motor 23 is connect by transmission gear with ball-screw 22, the top of the protective cover 21
It is provided with the second guide rail 211, the force transmitting board 24 is arranged on the second guide rail 211 and connect with ball-screw 22, the power transmission
Plate 24 connects force transmission shaft 14 by bearing.
The Plumb load mechanism 2 further includes having jack 25, jack stand 26 and spring 27;
Described 25 one end of jack is fixedly connected with jack stand 26, and 25 other end of jack passes through spring 27 and power transmission
The connection of 14 end of axis;Jack 25 plays the role of a pad power to force transmission shaft 14, preferably carries out loading simulation to wheel 5.
The spring 27 and force transmission shaft are connected with tension sensor between 14 end;Tension sensor can detect that spring 27
With the active force between force transmission shaft 14.
The lateral loading mechanism 3 includes lateral loading motor 31, lateral loading motor bracket 32 and worm and gear dress
Set 33;
The lateral loading motor 31 is fixedly mounted on lateral loading motor bracket 32, the lateral loading motor bracket 32 with
Force transmitting board 24 is fixedly connected.
The lateral loading motor 31 is connect with the worm-drive of worm gear device 33, and the force transmission shaft 14 is through connection
The worm gear of worm gear device 33, the worm and wheel transmission cooperation.
The Plumb load mechanism 2 and roller measurement of power mechanism 4 are arranged on cushion block 6;
The bottom of the protective cover 21 and Plumb load motor 23 is fixedly connected with support plate 7, and the is provided on the cushion block 6
Three guide rails 61, the support plate 7 are arranged on third guide rail 61;It is detected so as to the wheel 5 to different size.
Wheel connection frame mechanism 1 further includes having wheel auxiliary stand 15, the top of the wheel auxiliary stand 15 with
The end of fixed link 11 connects, and the bottom of the wheel auxiliary stand 15 is connect with cushion block 6;Wheel auxiliary stand 15 can prevent vehicle
Wheel moves up and down deviation in testing.
The support rim 241 being engaged with Rotary Connection block 13 is provided on the force transmitting board 24.
The working principle of the present embodiment: one end that wheel 5 is fastened on fixed link 11 by connecting turntable 12, wheel hub electricity
Machine drives wheel 5 to rotate, and wheel 5 is contacted with roller 41, thus 41 synchronous rotary of roller, and then drum shaft 42 is driven to rotate, it surveys
Function electric machine 47 can detect 5 operation data of wheel, and for wheel 5 when accelerating and sliding, suffered resistance passes through inertia
The rotary inertia of simulating flywheel device 44 is simulated.When carrying out vertical force loading simulation, the driving rolling of Plumb load motor 23
Ballscrew 22 rotates, so that force transmitting board 24 moves right, wheel connection frame mechanism 1 is connect with force transmitting board 24, to produce to wheel 5
A raw active force to the right realizes vertical force loading simulation.When carrying out lateral force loading simulation, lateral loading motor 31 is driven
Dynamic worm gear device 33 operates, so that the force transmission shaft 14 connecting with worm gear rotates a certain angle, Rotary Connection block 13 is together
Rotation finally makes wheel 5 rotate corresponding angle, realizes lateral force loading simulation.
A kind of performance detecting system of hub motor for electric automobile of the invention, Plumb load mechanism 2 can carry out wheel 5
Plumb load, lateral loading mechanism 3 can laterally load wheel 5, roller measurement of power mechanism 4 can to 5 operation data of wheel into
Row detection carries out more careful load simulated test to hub motor to realize, precision is high, easy to operate, and is easy to
It promotes.
The roller 41 of a kind of performance detecting system of hub motor for electric automobile of the invention, roller measurement of power mechanism 4 can mould
Quasi- to replace road surface, the various resistances that automobile is encountered when normally driving at a constant speed are existed by vertical lateral loading mechanism simulation, automobile
When accelerating and sliding, suffered resistance is simulated by the rotary inertia of inertia simulation flywheel gear 44, to the performance of hub motor
Detection effect is good, and data are accurate, comprehensive.
A kind of performance detecting system of hub motor for electric automobile of the invention, wheel connect the design of 1 structure of frame mechanism and close
Reason, can fix well wheel 5, while precisely can effectively transmit vertical lateral loading force.
A kind of performance detecting system of hub motor for electric automobile of the invention, Plumb load are transmitted by ball-screw 22
Switching kinetics, lateral load by worm and gear transmitting and converting power, have the characteristics that in high precision, invertibity and efficient.
Specific embodiments of the present invention are described in detail above, but it is merely an example, the present invention is simultaneously unlimited
It is formed on above description specific embodiment.To those skilled in the art, the equivalent modifications and replace that any couple of present invention carries out
In generation, is also all among scope of the invention.Therefore, without departing from the spirit and scope of the invention made by equal transformation and repair
Change, all covers within the scope of the present invention.
Claims (10)
1. a kind of performance detecting system of hub motor for electric automobile, it is characterised in that:
It include wheel connection frame mechanism (1), Plumb load mechanism (2), lateral loading mechanism (3) and roller measurement of power mechanism (4);
One end of wheel connection frame mechanism (1) is fixedly connected wheel (5), the Plumb load mechanism (2) and lateral load
Mechanism (3) connect the other end connection of frame mechanism (1) with wheel;
The Plumb load mechanism (2) is for driving Wheel mounting bracket mechanism (1) and carrying out Plumb load to wheel (5);
The lateral loading mechanism (3) is for driving Wheel mounting bracket mechanism (1) and laterally being loaded to wheel (5);
The roller (41) of roller measurement of power mechanism (4) is engaged with wheel (5), and roller measurement of power mechanism (4) can be to vehicle
Wheel (5) operation data is detected.
2. a kind of performance detecting system of hub motor for electric automobile according to claim 1, it is characterised in that:
Roller measurement of power mechanism (4) includes drum shaft (42), roller bearings bracket (43), inertia simulation flywheel gear
(44), inertia simulation motor (45), shaft coupling (46) and dynamometer motor device (47);
The drum shaft (42) is through connection roller (41) and inertia simulation flywheel gear (44), the drum shaft (42) and roller
Roller bearings on the support of bearing (43) are connected and fixed, and the inertia simulation motor (45) is flown by driving belt and inertia simulation
One end of wheel apparatus (44) connection, the drum shaft (42) passes through shaft coupling (46) connection dynamometer motor device (47).
3. a kind of performance detecting system of hub motor for electric automobile according to claim 2, it is characterised in that:
The quantity of the roller bearings bracket (43) is three;
The roller (41) and dynamometer motor device (47) are located at the two sides of inertia simulation flywheel gear (44).
4. a kind of performance detecting system of hub motor for electric automobile according to claim 1, it is characterised in that:
Wheel connection frame mechanism (1) include there are two fixed link (11) arranged in parallel, the fixed link (11)
One end is provided with Rotary Connection block (13), institute by connection turntable (12) connection wheel (5), the other end of the fixed link (11)
The center for stating Rotary Connection block (13) is fixedly connected with force transmission shaft (14), two fixed links (11) respectively with Rotary Connection block
(12) two sides are fixedly connected;
Force transmission shaft (14) connection Plumb load mechanism (2) and lateral loading mechanism (3).
5. a kind of performance detecting system of hub motor for electric automobile according to claim 4, it is characterised in that:
It is provided with the first guide rail (131) on the two sides of the Rotary Connection block (13), fixed link (11) setting is led first
On rail (131);
Axial angle sensor is fixedly installed on the rotation axis of the Rotary Connection block (13).
6. a kind of performance detecting system of hub motor for electric automobile according to claim 4, it is characterised in that:
The Plumb load mechanism (2) includes protective cover (21), ball-screw (22), Plumb load motor (23) and force transmitting board
(24);
The ball-screw (22) setting in the interior intracavitary of protective cover (21), the both ends of the ball-screw (22) by bearing with
Protective cover (21) is fixedly connected, and the Plumb load motor (23) is connect by transmission gear with ball-screw (22), the guarantor
It is provided at the top of shield (21) the second guide rail (211), the force transmitting board (24) is arranged on the second guide rail (211) and and ball
Lead screw (22) connection, the force transmitting board (24) connect force transmission shaft (14) by bearing.
7. a kind of performance detecting system of hub motor for electric automobile according to claim 6, it is characterised in that:
The Plumb load mechanism (2) further includes having jack (25), jack stand (26) and spring (27);
Described jack (25) one end is fixedly connected with jack stand (26), and jack (25) other end passes through spring
(27) it is connect with force transmission shaft (14) end.
8. a kind of performance detecting system of hub motor for electric automobile according to claim 7, it is characterised in that:
Tension sensor is connected between the spring (27) and force transmission shaft (14) end.
9. a kind of performance detecting system of hub motor for electric automobile according to claim 6, it is characterised in that:
The lateral loading mechanism (3) includes lateral loading motor (31), lateral loading motor bracket (32) and worm and gear
Device (33);
The lateral loading motor (31) is fixedly mounted on lateral loading motor bracket (32), the lateral loading motor bracket
(32) it is fixedly connected with force transmitting board (24);
The lateral loading motor (31) connect with the worm-drive of worm gear device (33), and the force transmission shaft (14) is through company
Connect the worm gear of worm gear device (33), the worm and wheel transmission cooperation.
10. a kind of performance detecting system of hub motor for electric automobile according to claim 6, it is characterised in that:
The Plumb load mechanism (2) and roller measurement of power mechanism (4) are arranged on cushion block (6);
The bottom of the protective cover (21) and Plumb load motor (23), which is fixedly connected with, supports plate (7), on the cushion block (6)
It is provided with third guide rail (61), the support plate (7) is arranged on third guide rail (61);
Wheel connection frame mechanism (1) further includes having wheel auxiliary stand (15), the top of the wheel auxiliary stand (15)
It is connect with the end of fixed link (11), the bottom of the wheel auxiliary stand (15) is connect with cushion block (6);
The support rim (241) being engaged with Rotary Connection block (13) is provided on the force transmitting board (24).
Priority Applications (1)
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CN201811366544.4A CN109164388A (en) | 2018-11-16 | 2018-11-16 | A kind of performance detecting system of hub motor for electric automobile |
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Application Number | Priority Date | Filing Date | Title |
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CN201811366544.4A CN109164388A (en) | 2018-11-16 | 2018-11-16 | A kind of performance detecting system of hub motor for electric automobile |
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CN109164388A true CN109164388A (en) | 2019-01-08 |
Family
ID=64877115
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CN201811366544.4A Pending CN109164388A (en) | 2018-11-16 | 2018-11-16 | A kind of performance detecting system of hub motor for electric automobile |
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Cited By (2)
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CN110470488A (en) * | 2019-09-20 | 2019-11-19 | 洛阳中科协同科技有限公司 | A kind of hub motor experimental rig |
CN110618382A (en) * | 2019-10-08 | 2019-12-27 | 宁波大桔科技有限公司 | Positioning tool for testing rack of hub motor |
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CN110618382A (en) * | 2019-10-08 | 2019-12-27 | 宁波大桔科技有限公司 | Positioning tool for testing rack of hub motor |
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