CN208366602U - A kind of NVH off-line test platform suitable for micro- car owner's retarder - Google Patents
A kind of NVH off-line test platform suitable for micro- car owner's retarder Download PDFInfo
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- CN208366602U CN208366602U CN201821257609.7U CN201821257609U CN208366602U CN 208366602 U CN208366602 U CN 208366602U CN 201821257609 U CN201821257609 U CN 201821257609U CN 208366602 U CN208366602 U CN 208366602U
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Abstract
The utility model discloses a kind of NVH off-line test platforms suitable for micro- car owner's retarder, including the rear axle box assembly for installing retarder to be measured, it has differential mechanism matched with retarder to be measured, for connecting the drive system and the loading system for the output end for being connected to differential mechanism of the input terminal of retarder to be measured；Drive system includes the driving end stand frame of side where the input terminal of differential mechanism is arranged in, and is axially mounted to the driving assembly on driving end stand frame along the input terminal of differential mechanism, and the output end of driving assembly can be coaxially connected with the input terminal of retarder to be measured；Loading system includes the loading end rack of side where the output end of differential mechanism is arranged in, and is axially mounted to the charging assembly on loading end rack along the output end of differential mechanism, and the output end of charging assembly and the output end of differential mechanism are coaxially connected；The utility model has reasonable in design, easy to adjust, good rigidity, and vibration is smaller, advantageously reduces labor intensity, improves the advantages that detection accuracy.
Description
Technical field
The utility model relates to NVH detection fields, in particular to a kind of offline inspection of NVH suitable for micro- car owner's retarder
Scaffold tower.
Background technique
NVH is the english abbreviation of noise, vibration and sound vibration roughness (Noise, Vibration, Harshness).It is
Global question of automobile manufacture quality is measured, it is experienced as most directly and most surface to user vehicle.Vehicle
One of the problem of NVH problem is the major vehicle manufacturing enterprise of international automobile industry and parts enterprises concern.There is statistics to show,
Vehicle is to have relationship with the NVH problem of vehicle, and there is nearly 20% R & D Cost consumption in each major company there are about 1/3 failure problems
On the NVH for solving the problems, such as vehicle.
Main reducing gear is the main component of automobile, is responsible for the transmission of power, while also bringing noise to vehicle, in retarder
The course of work in, the exception of any one component can all lead to retarder operation irregularity, so as to cause retarder generate noise,
For retarder manufacturing enterprise, carrying out NVH off-line test to retarder is necessary.Each retarder production enterprise
The main reducing gear model of industry production is various, and the installation dimension of the main reducing gear of different model is also different, presently mainly adopts
With universal monitor station, universal monitor station can be adjusted in transverse direction, longitudinal direction and short transverse, to adapt to different installation rulers
Very little main reducing gear.But the adjusting freedom degree of this monitor station is more, itself rigidity is poor when detection, influences the essence of detection
Degree.And the change in size of micro- car owner's retarder is smaller, the flange of main reducing gear change in size range of especially different model is smaller,
It needing to be finely adjusted in the height direction using universal monitor station, adjusting difficulty is larger, and it is time-consuming and laborious, and monitor station itself
Rigidity it is small, itself vibration is big, and detection accuracy is poor.
Utility model content
In view of the above shortcomings of the prior art, the technical problem to be solved by the utility model is to how to provide a kind of knot
Structure design rationally, easy to adjust, good rigidity, vibrate it is smaller, advantageously reduce labor intensity, improve detection accuracy be suitable for it is micro-
The NVH off-line test platform of car owner's retarder.
In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:
A kind of NVH off-line test platform suitable for micro- car owner's retarder, which is characterized in that including with retarder phase to be measured
The rear axle box assembly matched, the rear axle box assembly have differential mechanism parameter matched with retarder real vehicle to be measured consistent
Differential mechanism, the rear axle box assembly are located at the side of the input terminal of the differential mechanism for the peace for installing differential mechanism to be tested
Fill side, when being mounted on retarder to be measured on the installation side, the input terminal of the output shaft of retarder to be measured and the differential mechanism
It is coaxially connected；Further include the input terminal for being connected to retarder to be measured and simulate real vehicle driving force drive system and two points
It is not connected to the output end of the differential mechanism and simulates the loading system of real vehicle loading condition；The drive system includes that setting exists
The driving end stand frame of side where the input terminal of the differential mechanism, and the drive is axially mounted to along the input terminal of the differential mechanism
The output end of driving assembly on the rack of moved end, the driving component can be coaxially connected with the input terminal of retarder to be measured；Institute
The loading end rack that loading system includes side where the output end of the differential mechanism is arranged in is stated, and along the defeated of the differential mechanism
Outlet is axially mounted to the charging assembly on the loading end rack, and the output end of the charging assembly is defeated with the differential mechanism
Outlet is coaxially connected；The driving end stand frame includes the driving end pedestal being mounted on bottom plate, the bottom of the driving end pedestal
The bottom plate is provided with first straight line sliding equipment, enables the driving end pedestal along the input axis direction of the differential mechanism
It is mobile relative to the floor level；The driving end pedestal is equipped with horizontal cunning close to the position of the rear axle box assembly
Plate is provided with second straight line sliding equipment between the bottom of the horizontal slide plate and driving end pedestal, makes described horizontal sliding
Plate can be moved horizontally along the input axis direction perpendicular to the differential mechanism relative to driving end pedestal, the horizontal slide plate
On be fixedly installed with driving bearing base, between the driving bearing base and the horizontal slide plate have detachable height tune
Save gasket；The driving component includes the driving motor for being sequentially connected setting, rotary speed torque sensor and drives bearing block, described
Drive the middle part of bearing block that there is rotatable drive connection axis, the rotary speed torque sensor and driving bearing block are mounted on institute
It states on driving bearing base；The driving motor is mounted on the driving end pedestal far from the rear axle cabinet group by motor cabinet
On the position of part；The shaft end of the driving motor is coaxially connected by cage shaft coupling and one end of the rotary speed torque sensor
It connects, the other end of the rotary speed torque sensor is coaxially connected by shaft coupling and the drive connection axis, the drive connection
The other end of axis can be coaxially connected with the input terminal of retarder to be measured；The loading end rack includes setting gradually from bottom to top
Loading end pedestal and load bottom plate, it is described load bottom plate lower surface and the loading end pedestal between be provided with linear movement
Mechanism enables the load bottom plate to move horizontally along the output axis direction of the differential mechanism relative to the loading end pedestal.
Since the flange dimension variation range of micro- car owner's retarder is smaller, that is, micro- car owner's retarder of different model
The variable quantity of output shaft centre-height is smaller, for micro- car owner's retarder of different model, it is only necessary to increase and decrease driving bearing base
The thickness of height adjustment gasket between horizontal slide plate, so that it may guarantee to be drivingly connected in axis and retarder input terminal to be measured
Heart height is consistent.Axis can will be drivingly connected by second straight line sliding equipment again to adjust to same with retarder input terminal to be measured
The state of axis moves integrally driving end pedestal finally by first straight line sliding equipment, makes to be drivingly connected axis close to deceleration to be measured
Device input terminal simultaneously connects.Deviation between driving motor and rotary speed torque sensor on longitudinal direction and height can be joined by cage
Axis device is made up.Above-mentioned monitor station can only be in horizontal and vertical upper movement, and freedom degree is relatively fewer, and overall stiffness is higher, inspection
Itself is with small vibration when survey, is conducive to improve detection accuracy.To the main reducing gear of different model, it is only necessary to adjust a height adjustment
The thickness of gasket, it is quick and easy for installation, advantageously reduce labor intensity.
Further, load bottom plate lockable mechanism, institute are additionally provided between the load bottom plate and the loading end pedestal
Load bottom plate lockable mechanism is stated to include the load locking plate being vertically mounted on the load bottom plate and be mounted on the loading end
Disc brake on pedestal, the load locking plate is arranged along the moving direction of the load bottom plate, and lower end extends to institute
It states in the breaker slot of disc brake.
Using the above structure, so that it may load locking plate be held tightly by disc brake, make to load bottom plate relative to load
End pedestal is fixed, and is conducive to the overall stiffness for increasing loading end rack, is avoided in detection process, loading end rack itself generates vibration
It is dynamic to influence testing result, be conducive to the accuracy for improving testing result.
Further, the linear moving mechanism includes that two parallel and face is arranged in the loading end base upper surface
Linear movement guide rail, and be slidably fit into it is described linear movement guide rail on linear movement sliding block, the load bottom
Plate is fixedly mounted on the linear movement sliding block.
Further, straight line driving mechanism is additionally provided between the load bottom plate and the loading end pedestal, it is described straight
Line driving mechanism includes moving along the linear movement screw rod of the moving direction setting of the load bottom plate and cooperation in the straight line
The both ends of linear movement feed screw nut on dynamic screw rod, the linear movement screw rod are installed in rotation on institute by bearing spider
Loading end pedestal is stated, and one end is coaxially connected with linear movement driving motor；The load bottom plate and the linear movement screw rod
Nut is fixedly connected.
Further, the first straight line sliding equipment includes first straight line guiding mechanism and the first sliding drive mechanism,
The first straight line guiding mechanism includes being mounted on the first straight of the plate upper surface along the input axis direction of the differential mechanism
Line slide rail, and it is slidably fit into the first straight line sliding slider of the first straight line slide rail, the driving
End pedestal is fixedly mounted on the first straight line sliding slider；First sliding drive mechanism includes and the first straight line
Slide rail first straight line sliding screw disposed in parallel, and cooperate the first straight line on the first straight line sliding screw
The both ends of sliding screw nut, the first straight line slide rail are installed in rotation on the bottom plate by bearing spider,
And one end is coaxially connected with the first sliding driving motor；The driving end pedestal is fixed with the first straight line sliding screw nut
Connection.
Further, the second straight line sliding equipment includes second straight line guiding mechanism and the second sliding drive mechanism,
The second straight line guiding mechanism includes being mounted on the pedestal of the driving end along the input axis direction perpendicular to the differential mechanism
The second straight line slide rail on surface, and it is slidably fit into the second straight line sliding cunning of the second straight line slide rail
Block, the horizontal slide plate are fixedly mounted on the second straight line sliding slider；Second sliding drive mechanism includes and institute
Second straight line slide rail second straight line sliding screw disposed in parallel is stated, and cooperation is on the second straight line sliding screw
Second straight line sliding screw nut, the both ends of the second straight line sliding screw are installed in rotation on institute by bearing spider
It states on driving end pedestal, and one end is coaxially connected with the second sliding driving motor；The horizontal slide plate and the second straight line are sliding
Dynamic feed screw nut is fixedly connected.
Further, the rotary speed torque sensor is the digital torque sensing that T40B has magnetic pole speed measuring system
Device.
Further, the rear axle box assembly includes the cabinet for being equipped with the differential mechanism, have on the cabinet with
The installation via hole of the corresponding coaxial arrangement of the output end of the differential mechanism passed through for axis；Also have and institute on the outside of the cabinet
State the support tube of installation via hole coaxial arrangement；The rear axle box assembly further includes the support being correspondingly arranged with the support tube
Seat, the support tube of the cabinet are installed in rotation on the support base by bearing.
Further, the rear axle box assembly further includes the revolution driving dress being installed therein on a support tube
It sets, the support tube passes through the device for revolving and driving.
Further, the rear axle box assembly further includes the lock plate being mounted on another described support tube, and
The outer ledge of the disc brake being mounted on support base, the lock plate is located in the breaker slot of the disc brake；
The device for revolving and driving includes turbine and worm decelerator, and the support tube is mounted on the defeated of the turbine and worm decelerator
In outlet, the input terminal of the turbine and worm decelerator connects servo motor；The top and bottom of the cabinet are each provided with
Two hold-down mechanisms, the hold-down mechanism include the corner oil cylinder being arranged along the input axis direction of the differential mechanism, the corner
The end of oil cylinder has vertically disposed pressing plate, and the pressing plate is enable to compress deceleration to be tested when turning to the middle part of the cabinet
Device.
In conclusion the utility model has reasonable in design, easy to adjust, good rigidity, vibration is smaller, is conducive to drop
Low labor intensity improves the advantages that detection accuracy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Fig. 2 is the structural schematic diagram of rear axle box assembly in Fig. 1.
Fig. 3 is the structural schematic diagram of loading system in Fig. 1.
Fig. 4 is the structural schematic diagram of drive system in Fig. 1.
Specific embodiment
Below with reference to embodiment, the utility model is described in further detail.
When specific implementation: as shown in Fig. 1 ~ Fig. 4, a kind of NVH off-line test platform suitable for micro- car owner's retarder, including with
The rear axle box assembly 1 that retarder to be measured matches, the rear axle box assembly 1 have difference matched with retarder real vehicle to be measured
The consistent differential mechanism of fast device parameter, the side that the rear axle box assembly 1 is located at the input terminal of the differential mechanism is for pacifying
The installation side for filling differential mechanism to be tested, when being mounted on retarder to be measured on the installation side, the output shaft of retarder to be measured with
The input terminal of the differential mechanism is coaxially connected；Further include the input terminal for being connected to retarder to be measured and simulates real vehicle driving force
Drive system 2 and two be connected to the output end of the differential mechanism and simulate the loading system 3 of real vehicle loading condition；Institute
The driving end stand frame 21 that drive system 2 includes side where the input terminal of the differential mechanism is arranged in is stated, and along the differential mechanism
Input terminal be axially mounted to the driving assembly 22 on the driving end stand frame 21, the output end of the driving component 22 can be with
The input terminal of retarder to be measured is coaxially connected；The loading system 3 includes side where the output end of the differential mechanism is arranged in
Loading end rack 31, and the charging assembly on the loading end rack 31 is axially mounted to along the output end of the differential mechanism
32, the output end of the output end and the differential mechanism of the charging assembly 32 is coaxially connected；The driving end stand frame 21 includes peace
It is sliding that driving end pedestal 211 on bottom plate 4, the bottom of the driving end pedestal 211 and the bottom plate 4 are provided with first straight line
Motivation structure 216 keeps the driving end pedestal 211 horizontal relative to the bottom plate 4 along the input axis direction of the differential mechanism
It is mobile；The driving end pedestal 211 is equipped with horizontal slide plate 213 close to the position of the rear axle box assembly 1, described horizontal sliding
It is provided with second straight line sliding equipment 217 between the bottom of plate 213 and driving end pedestal 211, makes the horizontal slide plate 213
It can be moved horizontally along the input axis direction perpendicular to the differential mechanism relative to driving end pedestal 211, it is described horizontal sliding
It is fixedly installed with driving bearing base on plate 213, has between the driving bearing base and the horizontal slide plate 213 dismountable
Height adjustment gasket；The driving component 22 includes driving motor 221, the rotary speed torque sensor 222 for being sequentially connected setting
With driving bearing block 223, the middle part of the driving bearing block 223 has rotatable drive connection axis, and the revolving speed torque passes
Sensor 222 and driving bearing block 223 are mounted on the driving bearing base；The driving motor 221 is installed by motor cabinet
On the driving position of the end pedestal 211 far from the rear axle box assembly 1；The shaft end of the driving motor 221 passes through ball
Cage shaft coupling 224 and one end of the rotary speed torque sensor 222 are coaxially connected, the rotary speed torque sensor 222 it is another
End is coaxially connected by shaft coupling and the drive connection axis, and the other end for being drivingly connected axis can be with retarder to be measured
Input terminal is coaxially connected；The loading end rack 31 includes the loading end pedestal 311 set gradually from bottom to top and load bottom plate
312, it is provided with linear moving mechanism 313 between the lower surface and the loading end pedestal 311 of the load bottom plate 312, makes institute
Stating load bottom plate 312 can move horizontally along the output axis direction of the differential mechanism relative to the loading end pedestal 311.
Since the flange dimension variation range of micro- car owner's retarder is smaller, that is, micro- car owner's retarder of different model
The variable quantity of output shaft centre-height is smaller, for micro- car owner's retarder of different model, it is only necessary to increase and decrease driving bearing base
The thickness of height adjustment gasket between horizontal slide plate, so that it may guarantee to be drivingly connected in axis and retarder input terminal to be measured
Heart height is consistent.Axis can will be drivingly connected by second straight line sliding equipment again to adjust to same with retarder input terminal to be measured
The state of axis moves integrally driving end pedestal finally by first straight line sliding equipment, makes to be drivingly connected axis close to deceleration to be measured
Device input terminal simultaneously connects.Deviation between driving motor and rotary speed torque sensor on longitudinal direction and height can be joined by cage
Axis device is made up.Above-mentioned monitor station can only be in horizontal and vertical upper movement, and freedom degree is relatively fewer, and overall stiffness is higher, inspection
Itself is with small vibration when survey, is conducive to improve detection accuracy.To the main reducing gear of different model, it is only necessary to adjust a height adjustment
The thickness of gasket, it is quick and easy for installation, advantageously reduce labor intensity.
When implementation, load bottom plate lockable mechanism is additionally provided between the load bottom plate 312 and the loading end pedestal 311
314, the load bottom plate lockable mechanism 314 includes the load locking plate being vertically mounted on the load bottom plate 312 and installation
Disc brake on the loading end pedestal 311, the load locking plate are set along the moving direction of the load bottom plate 312
It sets, and lower end extends in the breaker slot of the disc brake.
Using the above structure, so that it may load locking plate be held tightly by disc brake, make to load bottom plate relative to load
End pedestal is fixed, and is conducive to the overall stiffness for increasing loading end rack, is avoided in detection process, loading end rack itself generates vibration
It is dynamic to influence testing result, be conducive to the accuracy for improving testing result.
When implementation, the linear moving mechanism 313 includes that two parallel and face is arranged on the loading end pedestal 311
The linear movement guide rail on surface, and the linear movement sliding block being slidably fit on the linear movement guide rail, it is described to add
Load floor 312 is fixedly mounted on the linear movement sliding block.
When implementation, it is additionally provided with straight line driving mechanism between the load bottom plate 312 and the loading end pedestal 311, institute
Stating straight line driving mechanism includes along the linear movement screw rod of the moving direction setting of the load bottom plate 312 and cooperation described
Rotationally pacified by bearing spider at the both ends of the linear movement feed screw nut to move linearly on screw rod, the linear movement screw rod
Mounted in the loading end pedestal 311, and one end is coaxially connected with linear movement driving motor；The load bottom plate 312 with it is described
Linear movement feed screw nut is fixedly connected.
When implementation, the first straight line sliding equipment 216 includes first straight line guiding mechanism and the first sliding drive mechanism,
The first straight line guiding mechanism includes being mounted on the first straight of 4 upper surface of bottom plate along the input axis direction of the differential mechanism
Line slide rail, and it is slidably fit into the first straight line sliding slider of the first straight line slide rail, the driving
End pedestal 211 is fixedly mounted on the first straight line sliding slider；First sliding drive mechanism includes and described first
Linear motion guide first straight line sliding screw disposed in parallel, and cooperate on the first straight line sliding screw first
The both ends of linear slide feed screw nut, the first straight line slide rail are installed in rotation on the bottom plate by bearing spider
On 4, and one end is coaxially connected with the first sliding driving motor；Driving end pedestal 211 and the first straight line sliding screw
Nut is fixedly connected.
When implementation, the second straight line sliding equipment 217 includes second straight line guiding mechanism and the second sliding drive mechanism,
The second straight line guiding mechanism includes being mounted on driving end pedestal 211 along the input axis direction perpendicular to the differential mechanism
The second straight line slide rail of upper surface, and it is slidably fit into the second straight line sliding of the second straight line slide rail
Sliding block, the horizontal slide plate 213 are fixedly mounted on the second straight line sliding slider；Second sliding drive mechanism includes
Silk is slided in the second straight line with second straight line slide rail second straight line sliding screw disposed in parallel, and cooperation
Second straight line sliding screw nut on bar, the both ends of the second straight line sliding screw are rotatably mounted by bearing spider
On driving end pedestal 211, and one end is coaxially connected with the second sliding driving motor；The horizontal slide plate 213 with it is described
Second straight line sliding screw nut is fixedly connected.
When implementation, the rotary speed torque sensor 222 is the digital torque sensing that T40B has magnetic pole speed measuring system
Device.
When implementation, the rear axle box assembly 1 includes the cabinet 11 for being equipped with the differential mechanism, is had on the cabinet 11
The installation via hole of coaxial arrangement corresponding with the output end of the differential mechanism passed through for axis；Also have on the outside of the cabinet 11
With the support tube of the installation via hole coaxial arrangement；The rear axle box assembly 1 further includes being correspondingly arranged with the support tube
The support tube of support base, the cabinet 11 is installed in rotation on the support base by bearing.
When implementation, the rear axle box assembly 1 further includes the revolution driving dress being installed therein on a support tube
12 are set, the support tube passes through the device for revolving and driving 12.
When implementation, the rear axle box assembly 1 further includes the lock plate 13 being mounted on another described support tube, and
The disc brake being mounted on support base, the outer ledge of the lock plate 13 are located at the breaker slot of the disc brake
It is interior；The device for revolving and driving 12 includes turbine and worm decelerator, and the support tube is mounted on the worm-gear speed reducer
On the output end of structure, the input terminal of the turbine and worm decelerator connects servo motor；The top and bottom of the cabinet 11
Two hold-down mechanisms 14 are each provided with, the hold-down mechanism 14 includes the corner oil being arranged along the input axis direction of the differential mechanism
The end of cylinder, the corner oil cylinder has vertically disposed pressing plate, when the pressing plate being enable to turn to the middle part of the cabinet 11
Compress retarder to be tested.
The above is only the preferred embodiment of the utility model only, is not limitation with the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of NVH off-line test platform suitable for micro- car owner's retarder, which is characterized in that including matching with retarder to be measured
Rear axle box assembly (1), the rear axle box assembly (1) have with retarder real vehicle to be measured matched differential mechanism parameter phase one
The differential mechanism of cause, the side that the rear axle box assembly (1) is located at the input terminal of the differential mechanism is for installing difference to be tested
The installation side of fast device, when being mounted on retarder to be measured on the installation side, the output shaft of retarder to be measured and the differential mechanism
Input terminal it is coaxially connected；It further include the input terminal for being connected to retarder to be measured and the drive system for simulating real vehicle driving force
(2) and two loading systems (3) for being connected to the output end of the differential mechanism and simulating real vehicle loading condition；The driving
System (2) includes the driving end stand frame (21) of side where the input terminal of the differential mechanism is arranged in, and along the differential mechanism
Input terminal is axially mounted to the driving assembly (22) on driving end stand frame (21), the output end energy of the driving component (22)
It is enough coaxially connected with the input terminal of retarder to be measured；The loading system (3) includes the output end institute that the differential mechanism is arranged in
Loading end rack (31) in side, and be axially mounted on the loading end rack (31) along the output end of the differential mechanism
The output end of charging assembly (32), the output end and the differential mechanism of the charging assembly (32) is coaxially connected；The driving end
Rack (21) includes the driving end pedestal (211) that is mounted on bottom plate (4), the bottom of driving end pedestal (211) with it is described
Bottom plate (4) is provided with first straight line sliding equipment (216), makes the driving end pedestal (211) can be along the defeated of the differential mechanism
Enter axis direction to move horizontally relative to the bottom plate (4)；The driving end pedestal (211) is close to the rear axle box assembly (1)
Position be equipped with horizontal slide plate (213), set between the bottom of the horizontal slide plate (213) and the driving end pedestal (211)
Second straight line sliding equipment (217) are equipped with, make the horizontal slide plate (213) can be along the input shaft side perpendicular to the differential mechanism
It is moved horizontally to relative to the driving end pedestal (211), driving bearing bottom is fixedly installed on the horizontal slide plate (213)
Seat has detachable height adjustment gasket between the driving bearing base and the horizontal slide plate (213)；The driving group
Part (22) includes the driving motor (221) for being sequentially connected setting, rotary speed torque sensor (222) and driving bearing block (223), institute
The middle part for stating driving bearing block (223) has rotatable drive connection axis, the rotary speed torque sensor (222) and drive shaft
Seat (223) is held to be mounted on the driving bearing base；The driving motor (221) is mounted on the driving end by motor cabinet
Pedestal (211) is far from the position of the rear axle box assembly (1)；The shaft end of the driving motor (221) passes through cage shaft coupling
Device (224) and one end of the rotary speed torque sensor (222) are coaxially connected, the rotary speed torque sensor (222) it is another
End is coaxially connected by shaft coupling and the drive connection axis, and the other end for being drivingly connected axis can be with retarder to be measured
Input terminal is coaxially connected；The loading end rack (31) includes the loading end pedestal (311) set gradually from bottom to top and load
Bottom plate (312) is provided with linear movement machine between the lower surface and the loading end pedestal (311) of load bottom plate (312)
Structure (313), make it is described load bottom plate (312) can along the differential mechanism output axis direction relative to the loading end pedestal
(311) it moves horizontally.
2. being suitable for the NVH off-line test platform of micro- car owner's retarder as described in claim 1, which is characterized in that the load
Load bottom plate lockable mechanism (314), the load bottom plate are additionally provided between bottom plate (312) and the loading end pedestal (311)
Lockable mechanism (314) includes the load locking plate being vertically mounted on load bottom plate (312) and is mounted on the loading end
Disc brake on pedestal (311), the load locking plate are arranged along the moving direction of load bottom plate (312), and under
End extends in the breaker slot of the disc brake.
3. being suitable for the NVH off-line test platform of micro- car owner's retarder as claimed in claim 2, which is characterized in that the straight line
Mobile mechanism (313) includes linear movement guide rail of two parallel and face settings in loading end pedestal (311) upper surface,
And it is slidably fit into the linear movement sliding block on the linear movement guide rail, the load bottom plate (312) is fixedly mounted
On the linear movement sliding block.
4. being suitable for the NVH off-line test platform of micro- car owner's retarder as claimed in claim 2, which is characterized in that the load
Straight line driving mechanism is additionally provided between bottom plate (312) and the loading end pedestal (311), the straight line driving mechanism includes edge
The linear movement screw rod of the moving direction setting of load bottom plate (312) and cooperation are straight on the linear movement screw rod
Line moves feed screw nut, and the both ends of the linear movement screw rod are installed in rotation on the loading end pedestal by bearing spider
(311), and one end is coaxially connected with linear movement driving motor；The load bottom plate (312) and the linear movement screw rod spiral shell
Mother is fixedly connected.
5. being suitable for the NVH off-line test platform of micro- car owner's retarder as described in claim 1, which is characterized in that described first
Linear slide mechanism (216) includes first straight line guiding mechanism and the first sliding drive mechanism, the first straight line guiding mechanism
The first straight line slide rail of the bottom plate (4) upper surface, Yi Jike are mounted on including the input axis direction along the differential mechanism
It is fitted slidably within the first straight line sliding slider of the first straight line slide rail, the fixed peace of the driving end pedestal (211)
On the first straight line sliding slider；First sliding drive mechanism includes parallel with the first straight line slide rail
The first straight line sliding screw of setting, and cooperate the first straight line sliding screw spiral shell on the first straight line sliding screw
The both ends of mother, the first straight line slide rail are installed in rotation on the bottom plate (4) by bearing spider, and one end is same
Axis connection has the first sliding driving motor；The driving end pedestal (211) and the fixed company of the first straight line sliding screw nut
It connects.
6. being suitable for the NVH off-line test platform of micro- car owner's retarder as claimed in claim 5, which is characterized in that described second
Linear slide mechanism (217) includes second straight line guiding mechanism and the second sliding drive mechanism, the second straight line guiding mechanism
Second straight line including being mounted on described driving end pedestal (211) upper surface along the input axis direction perpendicular to the differential mechanism is sliding
Dynamic guide rail, and it is slidably fit into the second straight line sliding slider of the second straight line slide rail, the horizontal slide plate
(213) it is fixedly mounted on the second straight line sliding slider；Second sliding drive mechanism includes and the second straight line
Slide rail second straight line sliding screw disposed in parallel, and cooperate the second straight line on the second straight line sliding screw
The both ends of sliding screw nut, the second straight line sliding screw are installed in rotation on the driving end bottom by bearing spider
On seat (211), and one end is coaxially connected with the second sliding driving motor；The horizontal slide plate (213) and the second straight line are sliding
Dynamic feed screw nut is fixedly connected.
7. being suitable for the NVH off-line test platform of micro- car owner's retarder as described in claim 1, which is characterized in that the revolving speed
Torque sensor (222) is the digital torque sensor that T40B has magnetic pole speed measuring system.
8. being suitable for the NVH off-line test platform of micro- car owner's retarder as described in claim 1, which is characterized in that the rear axle
Box assembly (1) includes the cabinet (11) for being equipped with the differential mechanism, is had on the cabinet (11) defeated with the differential mechanism
The installation via hole of the corresponding coaxial arrangement of outlet passed through for axis；Also have and the installation via hole on the outside of the cabinet (11)
The support tube of coaxial arrangement；The rear axle box assembly (1) further includes the support base being correspondingly arranged with the support tube, the case
The support tube of body (11) is installed in rotation on the support base by bearing.
9. being suitable for the NVH off-line test platform of micro- car owner's retarder as claimed in claim 8, which is characterized in that the rear axle
Box assembly (1) further includes the device for revolving and driving (12) being installed therein on a support tube, and the support tube passes through
The device for revolving and driving (12).
10. being suitable for the NVH off-line test platform of micro- car owner's retarder as claimed in claim 9, which is characterized in that the rear axle
Box assembly (1) further includes the lock plate (13) being mounted on another described support tube, and the dish being mounted on support base
The outer ledge of formula brake, the lock plate (13) is located in the breaker slot of the disc brake；The revolution driving dress
Setting (12) includes turbine and worm decelerator, and the support tube is mounted on the output end of the turbine and worm decelerator, institute
State the input terminal connection servo motor of turbine and worm decelerator；The top and bottom of the cabinet (11) are each provided with two pressures
Tight mechanism (14), the hold-down mechanism (14) include the corner oil cylinder of the input axis direction setting along the differential mechanism, and described turn
The end of angle oil cylinder has vertically disposed pressing plate, so that the pressing plate is compressed when turning to the middle part of the cabinet (11) to be measured
Try retarder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821257609.7U CN208366602U (en) | 2018-08-06 | 2018-08-06 | A kind of NVH off-line test platform suitable for micro- car owner's retarder |
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| CN201821257609.7U CN208366602U (en) | 2018-08-06 | 2018-08-06 | A kind of NVH off-line test platform suitable for micro- car owner's retarder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261134A (en) * | 2019-07-02 | 2019-09-20 | 重庆理工清研凌创测控科技有限公司 | New-energy automobile power assembly off-line test platform |
-
2018
- 2018-08-06 CN CN201821257609.7U patent/CN208366602U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261134A (en) * | 2019-07-02 | 2019-09-20 | 重庆理工清研凌创测控科技有限公司 | New-energy automobile power assembly off-line test platform |
| CN110261134B (en) * | 2019-07-02 | 2021-08-17 | 重庆理工清研凌创测控科技有限公司 | New energy automobile power assembly offline detection platform |
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