CN109459249A - New-energy automobile power assembly NVH testing stand - Google Patents
New-energy automobile power assembly NVH testing stand Download PDFInfo
- Publication number
- CN109459249A CN109459249A CN201811647488.1A CN201811647488A CN109459249A CN 109459249 A CN109459249 A CN 109459249A CN 201811647488 A CN201811647488 A CN 201811647488A CN 109459249 A CN109459249 A CN 109459249A
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- Prior art keywords
- main
- fixed
- support
- foundation base
- mounting platform
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- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 238000004080 punching Methods 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to a kind of new-energy automobile power assembly NVH testing stands, including left foundation base, main foundation base and right foundation base；Left resilient cushion, left mounting platform, left motor base, left dragging motor, left wall-punching axis and left half axle are fixed on left foundation base；Right resilient cushion, right mounting platform, right motor seat, right dragging motor, right wall-punching axis and right axle shaft are fixed on right foundation base；Main resilient cushion, main mounting platform, left support seat, right support seat, adjustment support, left shaft holder, left torque sensor, right bearing seat and right torque sensor are fixed on main foundation base.The present invention can the NVH performance to new-energy automobile power assembly test, testing stand is applied in electric drive assembly semianechoic room, test result more can accurately embody automobile overall output power-performance, the configuration of the present invention is simple, easy to use, overall noise is low, and the present invention provides high-precision new-energy automobile power assembly measurement data.
Description
Technical field
The present invention relates to a kind of testing stand, specifically a kind of new-energy automobile power assembly NVH testing stand.
Background technique
In recent years, new-energy automobile industry development is rapid, core of the new-energy automobile power assembly as new-energy automobile
Component, Test And Check Technology are more highly valued in new-energy automobile enterprise, and associated test standards are also continuously improved.?
The performance of new-energy automobile power assembly must be detected after the completion of model machine manufacture.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies in the prior art, provide that a kind of structure is simple, easy to use, operation
Stable new-energy automobile power assembly NVH testing stand.
According to technical solution provided by the invention, the new-energy automobile power assembly NVH testing stand, including left basis
Seat, main foundation base and right foundation base；
It is fixed with left resilient cushion in the lower surface of left foundation base, left mounting platform is fixed in the upper surface of left foundation base, on a left side
The upper surface of mounting platform offers left sliding slot, left motor base is slidably fitted on left sliding slot, after left motor base sliding in place
It can mutually be fixed with left mounting platform, left dragging motor is fixed in the upper surface of left motor base, in the output shaft of left dragging motor
Right part in being coaxially fixed with left wall-punching axis, in the right part of left wall-punching axis in being coaxially connected with left half axle；
It is fixed with right resilient cushion in the lower surface of right foundation base, right mounting platform is fixed in the upper surface of right foundation base, on the right side
The upper surface of mounting platform offers right rail, right motor seat is slidably fitted on right rail, after right motor seat sliding in place
It can mutually be fixed with right mounting platform, right dragging motor is fixed in right motor seat, in the output shaft left part of right dragging motor
It is in be coaxially connected with right axle shaft in the left part of right wall-punching axis in right wall-punching axis is coaxially fixed with；
The right axle shaft is arranged coaxially with left half axle, and one section is spaced between the left part of right axle shaft and the right part of left half axle
Distance；
It is fixed with main resilient cushion in the lower surface of main foundation base, is fixed with main mounting platform, left branch in the upper surface of main foundation base
Seat and right support seat are supportted, main sliding slot is offered in the upper surface of main mounting platform, adjustment support is slidably fitted on main sliding slot,
Adjustment support can mutually be fixed after sliding in place with main mounting platform, and left shaft holder is fixed in left support seat and left torque passes
Sensor, left half axle pass through left shaft holder and connect with after left torque sensor with left half axle, are fixed with right bearing on right support seat
Seat and right torque sensor, right axle shaft pass through left shaft holder and connect with after right torque sensor with right axle shaft.
The adjustment support includes left adjustment support, right adjustment support and main modulation support；At corresponding left half axle rear
It is slidably fitted with left adjustment support on main sliding slot, is slidably fitted with right adjustment support on the main sliding slot at corresponding right axle shaft rear,
Main modulation support is slidably fitted on main sliding slot, main modulation support is located at the right part of left half axle and the left part of right axle shaft and connects
The front position of near point, left adjustment support, right adjustment support can be with main mounting platform phases after sliding in place with main modulation support
It is fixed.
Left adjustment support, right adjustment support are equal with the distance between the axis of main modulation support to left half axle.
The left half axle and right axle shaft are retractable spindle.
The present invention can the NVH performance to new-energy automobile power assembly test, it is total that testing stand is applied to electric drive
At in semianechoic room, test result more can accurately embody automobile overall output power-performance, the configuration of the present invention is simple, user
Just, overall noise is low, and the present invention provides high-precision new-energy automobile power assembly measurement data.
Detailed description of the invention
Fig. 1 is main view of the invention.
Fig. 2 is top view of the invention.
Fig. 3 is left view enlarged drawing of the invention.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
The new-energy automobile power assembly NVH testing stand, including left foundation base 11, main foundation base 21 and right foundation base 31；
It is fixed with left resilient cushion 12 in the lower surface of left foundation base 11, is fixed with left mounting platform in the upper surface of left foundation base 11
13, left sliding slot 14 is offered in the upper surface of left mounting platform 13, left motor base 15, left electricity are slidably fitted on left sliding slot 14
It can be fixed with left 13 phase of mounting platform after the sliding in place of base 15, be fixed with left dragging motor in the upper surface of left motor base 15
16, it is in coaxially to be fixed with left wall-punching axis 17 in the right part of the output shaft of left dragging motor 16, in the right part of left wall-punching axis 17
In being coaxially connected with left half axle 18；
It is fixed with right resilient cushion 32 in the lower surface of right foundation base 31, is fixed with right mounting platform in the upper surface of right foundation base 31
33, right rail 34 is offered in the upper surface of right mounting platform 33, right motor seat 35, right electricity are slidably fitted on right rail 34
It can be fixed with right 33 phase of mounting platform after the sliding in place of base 35, right dragging motor 36 is fixed in right motor seat 35, on the right side
The output shaft left part of dragging motor 36 is in right wall-punching axis 37 is coaxially fixed with, in the left part of right wall-punching axis 37 in coaxially connected
There is right axle shaft 38；
The right axle shaft 38 is arranged coaxially with left half axle 18, and between the left part of right axle shaft 38 and the right part of left half axle 18
It is spaced a distance；
It is fixed with main resilient cushion 22 in the lower surface of main foundation base 21, is fixed with main mounting platform in the upper surface of main foundation base 21
23, left support seat and right support seat offer main sliding slot 24 in the upper surface of main mounting platform 23, and peace is slided on main sliding slot 24
Equipped with adjustment support, adjustment support can be fixed after sliding in place with main 23 phase of mounting platform, and a left side is fixed in left support seat
Bearing block and left torque sensor 28, left half axle 18 pass through left shaft holder and connect with after left torque sensor 28 with left half axle 18,
Right bearing seat and right torque sensor 29 are fixed on right support seat, right axle shaft 38 passes through left shaft holder and right torque sensor
Connect after 29 with right axle shaft 38.
The adjustment support includes left adjustment support 25, right adjustment support 26 and main modulation support 27；In corresponding left half axle
It is slidably fitted with left adjustment support 25 on the main sliding slot 24 at 18 rears, slides peace on the main sliding slot 24 at corresponding 38 rear of right axle shaft
Equipped with right adjustment support 26, main modulation support 27 is slidably fitted on main sliding slot 24, main modulation support 27 is located at left half axle 16
Right part and right axle shaft 36 the left part points of proximity front position, left adjustment support 25, right adjustment support 26 and main modulation
Support 27 can be fixed after sliding in place with main 23 phase of mounting platform.
Left support 25, right adjustment support 26 and the main modulation support 27 of adjusting is to the distance between the axis of left half axle 18 phase
Deng.
The left half axle 18 and right axle shaft 38 are retractable spindle.
When test, tested motor is fixed on left adjustment support 25, right adjustment support 26 or main modulation support 27, left
Semiaxis 18 is connected with left wall-punching axis 17, and right axle shaft 38 is connected with right wall-punching axis 37, and left dragging motor 16 works, and drives left half axle 18
It is rotated with left wall-punching axis 17, right dragging motor 36 works, and drives right axle shaft 38 and right wall-punching axis 37 to rotate, realizes to tested motor
Test.
New-energy automobile power assembly NVH testing stand of the invention, left mounting platform 13, right mounting platform 33 and main installation
Platform 23 is cast iron platform, and precision is high, and wearability is good, bottom resilient cushion, and when operation can greatly mitigate vibration and improve
Measuring accuracy；The material of left wall-punching axis 17 and right wall-punching axis 37 is carbon fibre materials, has biggish torque transitivity and resistance
Shape, total quality are also relatively light；Left half axle 18 and right axle shaft 38 are retractable spindle, can be adjusted according to tested motor situation
It is whole.
Smooth running of the present invention, overall noise is low, which is applied in electrical drive power assembly semi-anechoic room, can be straight
It connected semiaxis to be connected with electricity drive assembly power output end, the high-precision left torque sensor 28 of front end installation and right torque sensing
Device 29 provides high-precision measurement data.
Claims (4)
1. a kind of new-energy automobile power assembly NVH testing stand, it is characterized in that: including left foundation base (11), main foundation base (21)
With right foundation base (31)；
Left resilient cushion (12) are fixed in the lower surface of left foundation base (11), are fixed with left peace in the upper surface of left foundation base (11)
Assembling platform (13) offers left sliding slot (14) in the upper surface of left mounting platform (13), is slidably fitted on left sliding slot (14)
Left motor base (15) can mutually fix after left motor base (15) sliding in place with left mounting platform (13), in left motor base (15)
Upper surface is fixed with left dragging motor (16), left through walls in being coaxially fixed in the right part of the output shaft of left dragging motor (16)
Axis (17) is in be coaxially connected with left half axle (18) in the right part of left wall-punching axis (17)；
Right resilient cushion (32) are fixed in the lower surface of right foundation base (31), are fixed with right peace in the upper surface of right foundation base (31)
Assembling platform (33) offers right rail (34) in the upper surface of right mounting platform (33), is slidably fitted on right rail (34)
Right motor seat (35) can mutually fix after right motor seat (35) sliding in place with right mounting platform (33), on right motor seat (35)
Right dragging motor (36) are fixed with, are in coaxially to be fixed with right wall-punching axis (37) in the output shaft left part of right dragging motor (36),
It is in be coaxially connected with right axle shaft (38) in the left part of right wall-punching axis (37)；
The right axle shaft (38) is arranged coaxially with left half axle (18), and the right side of the left part of right axle shaft (38) and left half axle (18)
It is spaced a distance between end；
Main resilient cushion (22) are fixed in the lower surface of main foundation base (21), are fixed with main peace in the upper surface of main foundation base (21)
Assembling platform (23), left support seat and right support seat offer main sliding slot (24) in the upper surface of main mounting platform (23), in main cunning
Adjustment support is slidably fitted on slot (24), adjustment support can mutually be fixed after sliding in place with main mounting platform (23), on a left side
Left shaft holder and left torque sensor (28) are fixed on support base, left half axle (18) passes through left shaft holder and left torque sensor
(28) connect afterwards with left half axle (18), right bearing seat and right torque sensor (29), right axle shaft are fixed on right support seat
(38) left shaft holder is passed through to connect with right axle shaft (38) afterwards with right torque sensor (29).
2. new-energy automobile power assembly NVH testing stand as described in claim 1, it is characterized in that: the adjustment support includes
Left adjustment support (25), right adjustment support (26) and main modulation support (27)；Main sliding slot at corresponding left half axle (18) rear
(24) it is slidably fitted with left adjustment support (25) on, is slidably fitted with the right side on the main sliding slot (24) at corresponding right axle shaft (38) rear
It adjusts support (26), is slidably fitted on main sliding slot (24) main modulation support (27), main modulation support (27) is located at left half axle
(16) front position of the left part points of proximity of right part and right axle shaft (36), left adjustment support (25), right adjustment support
(26) it can mutually be fixed with main mounting platform (23) after sliding in place with main modulation support (27).
3. new-energy automobile power assembly NVH testing stand as claimed in claim 2, it is characterized in that: left adjustment support (25), the right side
Adjusting support (26) and main modulation support (27), to arrive left half axle (18), the distance between the axis of right axle shaft (38) equal.
4. new-energy automobile power assembly NVH testing stand as described in claim 1, it is characterized in that: the left half axle (18) with
Right axle shaft (38) is retractable spindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811647488.1A CN109459249A (en) | 2018-12-29 | 2018-12-29 | New-energy automobile power assembly NVH testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811647488.1A CN109459249A (en) | 2018-12-29 | 2018-12-29 | New-energy automobile power assembly NVH testing stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109459249A true CN109459249A (en) | 2019-03-12 |
Family
ID=65615698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811647488.1A Pending CN109459249A (en) | 2018-12-29 | 2018-12-29 | New-energy automobile power assembly NVH testing stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109459249A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063588A (en) * | 2021-04-07 | 2021-07-02 | 四川建安工业有限责任公司 | Independent main NVH bench test fixing tool |
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| CN108362507A (en) * | 2018-04-11 | 2018-08-03 | 安徽农业大学 | A kind of tractor front-mounted power output device Loading Control Detecting data |
| CN209198096U (en) * | 2018-12-29 | 2019-08-02 | 无锡市朗迪测控技术有限公司 | New-energy automobile power assembly NVH testing stand |
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2018
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100102350A (en) * | 2009-03-11 | 2010-09-24 | 한국기계연구원 | Mechanical feed back type planetary gear box tester |
| CN203616127U (en) * | 2013-12-26 | 2014-05-28 | 广东工业大学 | Non-contact type automotive speed changer performance test rack |
| CN104748984A (en) * | 2015-04-10 | 2015-07-01 | 哈尔滨力盛达机电科技有限公司 | Electric power steering test bench based on double motor control |
| CN205317434U (en) * | 2015-11-30 | 2016-06-15 | 上汽通用五菱汽车股份有限公司 | Transmission shaft and rear axle assembly vibration performance integrated test device and test system |
| CN105784357A (en) * | 2016-04-29 | 2016-07-20 | 吉林大学 | Automobile speed changer noise test stand |
| CN206330758U (en) * | 2016-11-16 | 2017-07-14 | 山东工拓机电设备有限公司 | A kind of test-bed for being used to test driving motor for electric automobile system reliability |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063588A (en) * | 2021-04-07 | 2021-07-02 | 四川建安工业有限责任公司 | Independent main NVH bench test fixing tool |
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