CN202057490U - Electric automobile rear axle noise follow-up pressure testing apparatus - Google Patents
Electric automobile rear axle noise follow-up pressure testing apparatus Download PDFInfo
- Publication number
- CN202057490U CN202057490U CN2011201665184U CN201120166518U CN202057490U CN 202057490 U CN202057490 U CN 202057490U CN 2011201665184 U CN2011201665184 U CN 2011201665184U CN 201120166518 U CN201120166518 U CN 201120166518U CN 202057490 U CN202057490 U CN 202057490U
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- China
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- electric automobile
- rear axle
- motor
- fixing
- handle
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Abstract
The utility model discloses an electric automobile rear axle noise follow-up pressure testing apparatus, comprising a motor, a motor installation table, a chassis and a ring flange for fixing an electric automobile rear axle, characterized in that the rear portion of the chassis is equipped with a transverse rotation shaft through a vertical rack, left and right end swing rods perpendicular to the transverse rotation shaft, with a pressurization plate are respectively fixedly welded at both ends of the transverse rotation shaft, a noise detector and a pressure gage are installed at the middle portion of the transverse rotation shaft through a supporting rod fixed by welding, and the transverse rotation shaft is connected with the upper end of a piston handle of a hydraulic cylinder in a manner of rotation connection through the free end of a corner handle. The electric automobile rear axle noise follow-up pressure testing apparatus is added with an automatic pressurization control apparatus without needing artificial manual pressurization, thereby being safe and convenient in operation, and not only increasing work efficiency, but also overcoming anthropic factors; can be used for objective detection analysis, has simple structure, and can be widely used for electric automobile rear axle production noise pressure testing.
Description
Technical field
The utility model relates to a kind of improvement of rear axle of electric automobile noise testing apparatus, the automatic applied voltage test equipment of specifically a kind of rear axle of electric automobile noise.
Background technology
Rear axle of electric automobile is the important component part of car transmissions, the left and right end of rear axle of electric automobile is the wheel hub of left and right trailing wheel, the middle part inner chamber of rear axle of electric automobile is installed final gear and differential gear, mesh with cylindric spiral gear, the axially parallel of the axial and rear axle of electric automobile of driving shaft pilot hole makes its structure tight.In the production of rear axle of electric automobile, because rear axle of electric automobile is the important component part of car transmissions, its performance directly has influence on the performance and the serviceable life of electric motor car, so before dispatching from the factory, must conscientiously detect its noise.At present, for the employed equipment of rear axle of electric automobile walkaway, comprise motor, the motor mounting platform, the ring flange that is used for fixing rear axle of electric automobile constitutes, during test, with rear axle of electric automobile by being bolted on the ring flange, the main shaft of motor is packed in the driving shaft pilot hole of rear axle of electric automobile, and be connected with cylindric spiral gear, when motor rotates, drive differential gear and reduction gearing rotation by cylindric spiral gear, and then drive left, the wheel hub of off hind wheel rotates, when surveying noise, two hands of operating personnel are respectively held a block pressur plate, firmly be pressed in a left side, on the wheel hub of off hind wheel, the gearing friction power of reduction gearing and differential gear and cylindric spiral gear is strengthened, thereby produce noise, noise monitor is placed the middle part of rear axle of electric automobile, just can detect the size of noise, determine according to the size of noise whether the rear axle of electric automobile of producing is qualified.The deficiency of this rear axle of electric automobile walkaway equipment is: owing to be to operate by hand, so inconvenient operation, inefficiency can not overcome artificial factor and objectively detect, and operate dangerous.
Summary of the invention
The purpose of this utility model is to provide simple in structure, easy-to-operate, can increase work efficiency, and can overcome human factor again, carry out the automatic applied voltage test equipment of rear axle of electric automobile noise of objective detection.
For reaching above purpose, the technical scheme that the utility model adopted is: the automatic applied voltage test equipment of this rear axle of electric automobile noise, by motor, the motor mounting platform, the chassis constitutes with the ring flange that is used for fixing rear axle of electric automobile, the motor mounting platform is fixed on the chassis, motor mounting is on the motor mounting platform, the ring flange that is used for fixing rear axle of electric automobile is fixedly mounted on the motor field frame by its perimeter support bar, the center pit that is used for fixing the ring flange of rear axle of electric automobile is enclosed within on the motor main shaft, it is characterized in that: the lateral rotation axle is installed by vertical rack in the rear portion on the chassis, weld a left side of fixing perpendicular to the lateral rotation axle respectively at the two ends of lateral rotation axle, the right-hand member swing arm, on a left side, the fixing increased pressure board of going up rear axle of electric automobile two ends wheel hub of the free end of right-hand member swing arm, noise monitor and tensimeter are installed by welding fixing support bar in middle part at the lateral rotation axle, in the outside, the middle part welding of lateral rotation axle, turn handle, the free end that turns handle is rotatably connected on the upper end of the piston handle of hydraulic cylinder, the base of hydraulic cylinder is fixed on the chassis, when hydraulic cylinder promotes piston handle, piston handle rises, promotion is turned handle and is rotated up, turn handle and pull the rotation of lateral rotation axle, drive increased pressure board and noise monitor and tensimeter simultaneously to detected rear axle of electric automobile direction upset, be pressed in the left side of rear axle of electric automobile respectively until the increased pressure board that makes two ends, on the right-hand member wheel hub, meanwhile, noise monitor and tensimeter also near the middle part of rear axle of electric automobile, detect.
The utility model is also implemented by following measure: the described angle that turns between handle and the support bar is the 105-120 degree, is provided with bar hole at the free end that turns handle, is provided with slide-bar in bar hole, and slide-bar is fixed in " U " shape groove of piston handle end; Described support bar is parallel with left and right end swing arm, the length of support bar and left and right end swing arm equals the distance of lateral rotation axle to motor main shaft place vertical plane, increased pressure board is pressed in respectively on the left and right end wheel hub of tested rear axle of electric automobile, simultaneously, also make noise monitor and manometric back near tested rear axle of electric automobile middle part; Move 1-3cm behind the left and right relatively end swing arm of described support bar, so that the surface of noise monitor and manometric back and gear drive assembly shell keeps the distance of 1-3cm.
On the motor mounting platform, be provided with operation control panel.
Described tensimeter was connected with hydraulic cylinder by communicating pipe, and described hydraulic cylinder was connected with Hydraulic Station by corresponding communicating pipe, and this is a prior art, so seldom state
The beneficial effects of the utility model are: with at present the employed equipment of rear axle of electric automobile walkaway is compared, owing to increased automatic pressurized control device, no longer adopt pressurization manually, so easy-to-operate, can increase work efficiency, human factor can be overcome again, objective check and analysis can be carried out, and simple in structure.
Description of drawings
Fig. 1 is a structure front-view schematic diagram of the present utility model.
Fig. 2 is that structure of the present utility model is along A-A office cross-sectional schematic.
Among the figure: 1, motor; 2, motor mounting platform; 3, chassis; 4, ring flange; 5, vertical rack; 6, lateral rotation axle; 7,7 ', left and right end swing arm; 8,8 ', increased pressure board; 9, support bar; 10, noise monitor; 11, tensimeter; 12, turn handle; 13, hydraulic cylinder; 14, bar hole; 15 slide-bars; 16, operation control panel; 17, ring flange perimeter support bar; 18, motor main shaft
Embodiment
Make the utility model with reference to Fig. 1,2.The automatic applied voltage test equipment of this rear axle of electric automobile noise, by motor 1, motor mounting platform 2, chassis 3 constitutes with the ring flange 4 that is used for fixing rear axle of electric automobile, motor mounting platform 2 is fixed on the chassis 3, motor 1 be installed in motor mounting platform 2 above, the ring flange 4 that is used for fixing rear axle of electric automobile is fixedly mounted on motor 1 housing by its perimeter support bar 17, the center pit that is used for fixing the ring flange 4 of rear axle of electric automobile is enclosed within on the motor main shaft 18, like this, when motor main shaft 18 rotates, the ring flange 4 that is used for fixing rear axle of electric automobile does not rotate, during test, with rear axle of electric automobile assembly position by being bolted on the ring flange 4, motor main shaft 18 is connected with the driving shaft of rear axle of electric automobile by spline, when motor 1 rotates, the drive rear axle assy rotates, reduction gearing in the rear axle assy and differential gear rotate and drive a left side again, the wheel hub of off hind wheel rotates, it is characterized in that: lateral rotation axle 6 is installed by vertical rack 5 in 3 rear portion on the chassis, weld a left side of fixing perpendicular to lateral rotation axle 6 respectively at the two ends of lateral rotation axle 6, right-hand member swing arm 7,7 ', on a left side, right-hand member swing arm 7,7 ' the fixing increased pressure board 8 of going up rear axle of electric automobile two ends wheel hub of free end, 8 ', noise monitor 10 and tensimeter 11 are installed by welding fixing support bar 9 in middle part at lateral rotation axle 6, in the outside, the middle part welding of lateral rotation axle 6, turn handle 12, the free end that turns handle 12 is rotatably connected on the upper end of the piston handle of hydraulic cylinder 13, the base of hydraulic cylinder 13 is fixed on the chassis 3, when hydraulic cylinder 13 promotes piston handle, piston handle rises, promotion is turned handle 12 and is rotated up, turn handle 12 and pull 6 rotations of lateral rotation axle, drive increased pressure board 8,8 ' overturn to detected rear axle of electric automobile direction simultaneously with noise monitor 10 and tensimeter 11, until the increased pressure board 8 that makes two ends, 8 ' respectively are pressed in the left side of rear axle of electric automobile, on the right-hand member wheel hub, meanwhile, noise monitor 10 and tensimeter 11 are also near the middle part of rear axle of electric automobile, detect, read level of noise from the display screen of noise monitor 10, read pressure at that time from tensimeter 11, by the pressurization of hydraulic cylinder 13, the level of noise of may observe when pressure changes.
As improvement of the present utility model: the described angle that turns between handle 12 and the support bar 9 is the 105-120 degree, is provided with bar hole 14 at the free end that turns handle 12, is provided with slide-bar 15 in bar hole 14, and slide-bar 15 is fixed in " U " shape groove of piston handle end; Described support bar 9 and left and right end swing arm 7,7 ' parallel, support bar 9 and left and right end swing arm 7,7 ' length equal the distance of lateral rotation axle 6 to motor main shaft 18 place vertical planes, make support bar 9 and left and right end swing arm 7,7 ' increased pressure board 8,8 ' respectively is pressed on the left and right end wheel hub of tested rear axle of electric automobile, simultaneously, also make the back of noise monitor 10 and tensimeter 11 near tested rear axle of electric automobile middle part; The left and right relatively end swing arm 7,7 of described support bar 9 ' after move 1-3cm so that the surface of the back of noise monitor 10 and tensimeter 11 and gear drive assembly shell keeps the distance of 1-3cm.
On motor mounting platform 2, be provided with operation control panel 16.
Described tensimeter 11 was connected with hydraulic cylinder 13 by communicating pipe, and described hydraulic cylinder 13 was connected with Hydraulic Station by corresponding communicating pipe, and this is a prior art, so seldom state.
Claims (3)
1. the automatic applied voltage test equipment of rear axle of electric automobile noise, by motor (1), motor mounting platform (2), chassis (3) and the ring flange (4) that is used for fixing rear axle of electric automobile constitute, motor mounting platform (2) is fixed on the chassis (3), motor (1) be installed in motor mounting platform (2) above, the ring flange (4) that is used for fixing rear axle of electric automobile is fixedly mounted on motor (1) housing by its perimeter support bar (17), the center pit that is used for fixing the ring flange (4) of rear axle of electric automobile is enclosed within on the motor main shaft (18), it is characterized in that: lateral rotation axle (6) is installed by vertical rack (5) in the rear portion of (3) on the chassis, weld a fixing left side of going up respectively perpendicular to lateral rotation axle (6) at the two ends of lateral rotation axle (6), right-hand member swing arm (7,7 '), on a left side, right-hand member swing arm (7,7 ') the fixing increased pressure board (8 of going up rear axle of electric automobile two ends wheel hub of free end, 8 '), noise monitor (10) and tensimeter (11) are installed by the fixing support bar (9) of welding in middle part at lateral rotation axle (6), in the outside, the middle part welding of lateral rotation axle (6), turn handle (12), the free end that turns handle (12) is rotatably connected on the upper end of the piston handle of hydraulic cylinder (13), and the base of hydraulic cylinder (13) is fixed on the chassis (3).
2. the automatic applied voltage test equipment of rear axle of electric automobile noise according to claim 1, it is characterized in that the described angle that turns between handle (12) and the support bar (9) is the 105-120 degree, be provided with bar hole (14) at the free end that turns handle (12), be provided with slide-bar (15) in bar hole (14), slide-bar (15) is fixed in " U " shape groove of piston handle end; Described support bar (9) is parallel with left and right end swing arm (7,7 '), and the length of support bar (9) and left and right end swing arm (7,7 ') equals the distance of lateral rotation axle (6) to motor main shaft (18) place vertical plane; Move 1-3cm behind the left and right relatively end swing arm of described support bar (9) (7,7 ').
3. the automatic applied voltage test equipment of rear axle of electric automobile noise according to claim 1 is characterized in that being provided with operation control panel (16) on motor mounting platform (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201665184U CN202057490U (en) | 2011-05-24 | 2011-05-24 | Electric automobile rear axle noise follow-up pressure testing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201665184U CN202057490U (en) | 2011-05-24 | 2011-05-24 | Electric automobile rear axle noise follow-up pressure testing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202057490U true CN202057490U (en) | 2011-11-30 |
Family
ID=45017461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201665184U Expired - Fee Related CN202057490U (en) | 2011-05-24 | 2011-05-24 | Electric automobile rear axle noise follow-up pressure testing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202057490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788639A (en) * | 2012-05-16 | 2012-11-21 | 奇瑞汽车股份有限公司 | Device and method for testing noise of electric automobile reducer |
-
2011
- 2011-05-24 CN CN2011201665184U patent/CN202057490U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788639A (en) * | 2012-05-16 | 2012-11-21 | 奇瑞汽车股份有限公司 | Device and method for testing noise of electric automobile reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20150524 |
|
| EXPY | Termination of patent right or utility model |