CN209624045U - A kind of drive axle hub rotation loading device - Google Patents
A kind of drive axle hub rotation loading device Download PDFInfo
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- CN209624045U CN209624045U CN201822242491.7U CN201822242491U CN209624045U CN 209624045 U CN209624045 U CN 209624045U CN 201822242491 U CN201822242491 U CN 201822242491U CN 209624045 U CN209624045 U CN 209624045U
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Abstract
The utility model provides a kind of drive axle hub rotation loading device, more particularly to drive axle detection technique field, including the first simulation wheel hub inner ring, the second simulation wheel hub inner ring, the first simulation wheel hub outer ring covered outside the first simulation wheel hub inner ring, the second simulation wheel hub outer ring covered outside the second simulation wheel hub inner ring, first simulation wheel hub inner ring and the second simulation wheel hub inner ring are bolted to connection, and the first simulation wheel hub outer ring and the second simulation wheel hub outer ring are bolted to connection；One end far from the second simulation wheel hub inner ring of first simulation wheel hub inner ring is connected with drive axle hub flange, drive axle hub flange is located at the inside of the first simulation wheel hub outer ring, and the outer surface of upper side and the outer surface of downside of the first simulation wheel hub outer ring are respectively equipped with the first connection structure of connection Vertical Cylinders and the second connection structure of cross cylinder.The utility model substitutes wheel hub and tire, and drive axle can individually be carried out to the cumbersome and high experimentation cost that through finished automobile road test is removed in test from.
Description
Technical field
The utility model belongs to drive axle detection technique field, and in particular to a kind of drive axle hub rotation loading device.
Background technique
After the completion of drive axle production, need to carry out properties detection, one of them are examined under vehicle full load condition, whole
Wheel hub and tire are examined with bearing simultaneously in actual condition in face of the test of the stress condition of the holding power and lateral force of tire
It surveys, and it is directly relatively complicated and experimentation cost is high using through finished automobile road test.
Therefore it is badly in need of a kind of drive axle hub rotation loading device for being able to solve existing issue.
Utility model content
The purpose of the utility model is to provide a kind of drive axle hubs to rotate loading device, simulates vehicle wheel hub and tire exists
It faces the holding power of tire and the stress condition of lateral force with bearing simultaneously in actual condition, meets under examination vehicle full load condition
Test demand, drive axle can individually be carried out to test to remove the cumbersome and high experimentation cost of through finished automobile road test from.
The utility model provides the following technical solution:
A kind of drive axle hub rotation loading device, including the first simulation wheel hub inner ring, the second simulation wheel hub inner ring, first
Wheel hub outer ring, the second simulation wheel hub outer ring are simulated, the first simulation outer ring sleeve of wheel hub is in the first simulation wheel hub inner ring
Outside, the second simulation outer ring sleeve of wheel hub is in the outside of the second simulation wheel hub inner ring, the first simulation wheel hub inner ring
It is bolted to connection with the second simulation wheel hub inner ring, the first simulation wheel hub outer ring and the second simulation wheel hub
Outer ring is bolted to connection；One end connection far from the second simulation wheel hub inner ring of the first simulation wheel hub inner ring
There is drive axle hub flange, the drive axle hub flange is located at the inside of first simulation wheel hub outer ring, first mould
The outer surface of upper side and the outer surface of downside of quasi- wheel hub outer ring are respectively equipped with the first connection structure and the second connection structure,
First connection structure connect the holding power for simulate facing tire, second connection structure and level with Vertical Cylinders
Oil cylinder connection to simulate faces the lateral force of tire.
Preferably, first simulation wheel hub outer ring includes frame and fixing seat, and the fixed seating is in the frame
And left side and right side are fixedly connected with the frame, the upper lateral part of the frame is equipped with first connection structure, described
The following side of frame is equipped with second connection structure, and the fixing seat is equipped with centre bore；First simulation the wheel hub inner ring, institute
It states the second simulation wheel hub inner ring and second simulation wheel hub outer ring includes the fixing sleeve and first flange of annular, described the
One flange is set to one end of the fixing sleeve, the fixing sleeve of the first simulation wheel hub inner ring and the second simulation wheel hub
The first flange of inner ring is bolted to connection, and the first flange of second simulation wheel hub outer ring passes through bolt
It fixes on the fixing seat, the centre bore is identical with the axis of all fixing sleeves；In the first simulation wheel hub
The first flange of circle forms the drive axle hub flange, and the drive axle hub flange protrudes the fixing seat and is located at
In the frame.
It preferably, further include an end cap and two tapered roller bearings and three bearings plates, second mould
One end of the fixing sleeve of quasi- wheel hub inner ring is fixedly connected with the end cap, and one tapered roller bearing is covered in institute
The fixing sleeve for stating the first simulation wheel hub inner ring is outer and both ends are affixed with a bearings plate respectively, described in another
Tapered roller bearing covers outside the fixing sleeve of the second simulation wheel hub inner ring and one end and another described bearing branch
Fagging is affixed, and the end of the other end and the side wall of the end cap is affixed.
Preferably, one annular institute of the inwardly projecting formation of inner wall of the fixing sleeve of second simulation wheel hub outer ring
State bearings plate, one end protrusion described second far from the end cap of the fixing sleeve of second simulation wheel hub outer ring
The first flange for simulating wheel hub outer ring forms an annular bearings plate, the first simulation wheel hub inner ring
The outer wall of one end outwardly protrudes to form the annular bearings plate；The end cap includes the fixed lid of annular, described
The inwardly projecting mounting plate for being equipped with annular of the inner wall of fixed lid, the end of the side wall of the fixed lid and the tapered roller bearing
One end of set is affixed, and one end of the fixing sleeve of the mounting plate and the second simulation wheel hub inner ring is equipped with gap adjustment
Bolt hole, and the gap adjustment bolt hole is inserted by bolt and is fixedly connected.
Preferably, first connection structure is second flange, and the second flange is equipped with several thread spindles, the frame
The upper lateral part of frame is set there are two the first long waist shaped slot being parallel to each other, and the second flange is passed through described by the thread spindle
First long waist shaped slot simultaneously fixes fixation on said frame by nut；Second connection structure includes first fixed
Plate, the second fixed plate and U-shaped board, first fixed plate are equipped with fixing axle, and it is solid that the fixing axle sequentially passes through described second
Fixed board and the U-shaped board, first fixed plate are connect with the following side of the frame, set in first fixed plate there are two
The second long waist shaped slot being parallel to each other, the second long waist shaped slot is interior to be equipped with adjustable bolt, second fixed plate
It is inserted into the second long waist shaped slot and is fixed in first fixed plate by bolt, second fixed plate and institute
The fixing axle stated between U-shaped board is connect by oscillating bearing with cross cylinder；The first long waist shaped slot and second length
Kidney-shaped slot is distributed along the axis direction of the centre bore.
It preferably, further include the cushion block of several gauge thickness, it can between first fixed plate and second fixed plate
A kind of cushion block equipped with gauge thickness of disassembly.
Preferably, the thread spindle is four, and the thread spindle is bolt, and the second flange is equipped with for installing bolt
Head counter sink, the head of the bolt is fixed in the counter sink.
The beneficial effects of the utility model are:
The utility model substitutes wheel hub and tire, simulates vehicle wheel hub and tire and faces with bearing simultaneously in actual condition
The holding power of tire and the stress condition of lateral force meet the test demand under examination vehicle full load condition, can be by drive axle list
Carry out test solely to remove the cumbersome and high experimentation cost of through finished automobile road test from.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram after Fig. 1 rotates by a certain angle；
Fig. 3 is the sectional view of the utility model；
Fig. 4 is to increase the structural schematic diagram after cushion block between first fixed plate of the utility model and the second fixed plate；
Fig. 5 is the exploded view of first connection structure of the utility model and the upper side of frame；
Fig. 6 is the structural schematic diagram tested using the utility model.
Wherein in the figure, it is marked as the 1, first simulation wheel hub inner ring；2, the second simulation wheel hub inner ring；3, outside the first simulation wheel hub
Circle；4, the second simulation wheel hub outer ring；5, drive axle hub flange；6, the first connection structure；61, second flange；62, thread spindle；
63, the first long waist shaped slot；7, the second connection structure；71, the first fixed plate；711, the second long waist shaped slot；72, second is fixed
Plate；73, U-shaped board；74, fixing axle；75, cushion block；8, frame；9, fixing seat；10, fixing sleeve；11, first flange；12, end cap；
13, tapered roller bearing；14, bearings plate；15, fixed lid；16, mounting plate；17, gap adjustment bolt hole；18, it drives
Bridge；19, motor；20, Vertical Cylinders；21, cross cylinder.
Specific embodiment
As shown in figures 1 to 6, a kind of drive axle hub rotates loading device, including the first simulation wheel hub inner ring 1, second is simulated
Wheel hub inner ring 2, first simulates wheel hub outer ring 3, second and simulates wheel hub outer ring 4, and the first 3 sets of simulation wheel hub outer ring is in the first simulation wheel
The outside of hub inner ring 1, the second 4 sets of simulation wheel hub outer ring is in the outside of the second simulation wheel hub inner ring 2, the first simulation wheel hub inner ring 1
It is bolted to connection with the second simulation wheel hub inner ring 2, the first simulation wheel hub outer ring 3 and the second simulation wheel hub outer ring 4 pass through
Bolt is fixedly connected；One end far from the second simulation wheel hub inner ring 2 of first simulation wheel hub inner ring 1 is connected with drive axle hub method
Orchid 5, drive axle hub flange 5 are located at the inside of the first simulation wheel hub outer ring 3, and first simulates the outer of the upper side of wheel hub outer ring 3
The outer surface of surface and downside is respectively equipped with the first connection structure 6 and the second connection structure 7, the first connection structure 6 with it is vertical
The connection of oil cylinder 20 to simulate faces the holding power of tire, and the second connection structure 7 is connect with cross cylinder 21 to simulate to be faced
The lateral force of tire.The present embodiment substitutes wheel hub and tire, simulates vehicle wheel hub and tire and bears ground simultaneously in actual condition
In face of the holding power of tire and the stress condition of lateral force, meets the test demand under examination vehicle full load condition, can will drive
Bridge 18 carries out test individually to remove the cumbersome and high experimentation cost of through finished automobile road test from.
In the present embodiment, the first simulation wheel hub outer ring 3 includes frame 8 and fixing seat 9, and fixing seat 9 is located in frame 8
And left side and right side are fixedly connected with frame 8, the upper lateral part of frame 8 is equipped with the first connection structure 6, the following side of frame 8
Equipped with the second connection structure 7, fixing seat 9 is equipped with centre bore；First simulation wheel hub inner ring 1, second simulates wheel hub inner ring 2 and the
Two simulation wheel hub outer rings 4 include the fixing sleeve 10 and first flange 11 of annular, and first flange 11 is set to one end of fixing sleeve 10,
The fixing sleeve 10 of first simulation wheel hub inner ring 1 and the first flange 11 of the second simulation wheel hub inner ring 2 are bolted to connection, the
The first flange 11 of two simulation wheel hub outer rings 4 is bolted in fixing seat 9, the axis of centre bore and all fixing sleeves 10
Line is identical；The first flange 11 of first simulation wheel hub inner ring 1 forms drive axle hub flange 5, and the protrusion of drive axle hub flange 5 is solid
Reservation 9 and be located at frame 8 in.
In order to bear biggish axial force, simulation wheel hub is provided with a pair of of tapered roller bearing 13, specifically: further including one
A end cap 12 and two tapered roller bearings 13 and three bearings plates 14, the fixing sleeve 10 of the second simulation wheel hub inner ring 2
One end be fixedly connected with end cap 12,13 sets of tapered roller bearing fixing sleeves 10 in the first simulation wheel hub inner ring 1 it is outer and
Both ends are affixed with a bearings plate 14 respectively, 13 sets of consolidating in the second simulation wheel hub inner ring 2 of another tapered roller bearing
Surely set 10 is outer and one end is affixed with another bearings plate 14, and the end of the other end and the side wall of end cap 12 is affixed.
Specifically, inner wall one annular bearing branch of inwardly projecting formation of the fixing sleeve 10 of the second simulation wheel hub outer ring 4
Fagging 14, the second simulation of one end protrusion wheel hub outer ring 4 of the separate end cap 12 of the fixing sleeve 10 of the second simulation wheel hub outer ring 4
First flange 11 forms an annular bearings plate 14, and the outer wall of one end of the first simulation wheel hub inner ring 1 outwardly protrudes shape
At an annular bearings plate 14；End cap 12 includes the fixation lid 15 of annular, and the inner wall of fixed lid 15 is inwardly projecting to be equipped with
The end of side wall of the mounting plate 16 of annular, fixed lid 15 is affixed with 13 sets of tapered roller bearing one end, mounting plate 16 and the
One end of the fixing sleeve 10 of two simulation wheel hub inner rings 2 is equipped with gap adjustment bolt hole 17, and is inserted into gap adjustment by bolt
Bolt hole 17 and be fixedly connected.The purpose being arranged in this way is by adjusting the bolt between end cap 12 and the second simulation wheel hub inner ring 2
Torque adjust the gaps of two tapered roller bearings 13, that is, by adjusting the bolt in gap adjustment bolt hole 17
Elasticity adjusts the gaps of two tapered roller bearings 13, to guarantee the normal rotation of two tapered roller bearings 13.Generally
Dismounting bearing will remove end cap 12, after installing bearing, need to adjust the gap of two tapered roller bearings 13, with
The normal rotation for guaranteeing two tapered roller bearings 13, specifically after having re-assemblied, bolt presses end cap 12 and
Fixing sleeve 10 on two simulation wheel hub inner rings 2, the fixation lid 15 on end cap 12 can compress a tapered roller bearing 13, phase at this time
Be in contact with it the bearings plate 14 answered can be compacted, and the second simulation wheel hub outer ring 4 being firmly connected with it is understood to another
The movement of 13 direction of an outer tapered roller bearing, another bearings plate 14 of end can compress another circular cone
Roller bearing 13, and the first simulation wheel hub inner ring 1 remains stationary, that is, third bearings plate 14 can remain stationary, from
And the gap between two adjacent bearings plates 14 is become smaller to adjust the position of tapered roller bearing 13, guarantee normal
Rotation will also make the gap between two adjacent bearings plates 14 too small, that is, two circles if bolt tension
The spacing of taper roller bearing 13 becomes smaller, and two tapered roller bearings 13 can not rotate.
Specifically, the first connection structure 6 is second flange 61, second flange 61 is equipped with several thread spindles 62, frame 8
Upper lateral part set there are two the first long waist shaped slot 63 for being parallel to each other, second flange 61 passes through the first long waist by thread spindle 62
Shape slot 63 and being fixed by nut is fixed on frame 8；Second connection structure 7 is fixed including the first fixed plate 71, second
Plate 72 and U-shaped board 73, the first fixed plate 71 are equipped with fixing axle 74, and fixing axle 74 sequentially passes through the second fixed plate 72 and U-shaped board
73, the first fixed plate 71 is connect with the following side of frame 8, sets that there are two the second long waist shapeds for being parallel to each other in the first fixed plate 71
Slot 711, the second long waist shaped slot 711 is interior equipped with adjustable bolt, and the second fixed plate 72 passes through bolt and is inserted into the second long waist
It is fixed in the first fixed plate 71 in shape slot 711, the fixing axle 74 between the second fixed plate 72 and U-shaped board 73 passes through pass
Bearings are connect with cross cylinder 21；First long waist shaped slot 63 and the second long waist shaped slot 711 are along the axis side of centre bore
To distribution.Thread spindle 62 is four, and thread spindle 62 is bolt, and second flange 61 is equipped with the countersunk head for installing the head of bolt
The head in hole, bolt is fixed in counter sink.According to the drive axle 18 of different model, come adjust the first long waist shaped slot 63 with
The position of second flange 61 and the position of the second long waist shaped slot 711 and the second fixed plate 72, to adjust wheel rim offset distance.
Meet the test requirements document of different model drive axle 18 with this.
Specifically, further include the cushion block 75 of several gauge thickness, it is removable between the first fixed plate 71 and the second fixed plate 72
The cushion block 75 equipped with a kind of gauge thickness unloaded.The cushion block 75 of different-thickness is added to change the rolling of wheel (wheel of simulation)
Dynamic radius.
Application method
The side hub end of drive axle 18 is fixed, and the other end passes through (the included connection method of the axle portion of drive axle 18 thereon
It is blue) the connecting flange drive axle hub that connect with drive axle hub flange 5 and install the present embodiment rotate loading device, simulate
Wheel hub upper end namely the first connection structure 6 connects the hydraulic servo oil cylinder abbreviation Vertical Cylinders 20 of vertical direction, simulates wheel hub
Lateral force loading end namely the second connection structure 7 in lower end connects the hydraulic servo oil cylinder abbreviation cross cylinder 21 of horizontal direction,
Then motor 19 drives drive axle differential mechanism rotating, is tested.Wherein, 19 revolving speed of motor and vertical hydraulic servo-cylinder force value
It is loaded with horizontal direction hydraulic servo oil cylinder force value according to customer requirement.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, although referring to before
Embodiment is stated the utility model is described in detail, it for those skilled in the art, still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features.It is all this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. a kind of drive axle hub rotates loading device, which is characterized in that including the first simulation wheel hub inner ring, the second simulation wheel hub
Inner ring, the first simulation wheel hub outer ring, the second simulation wheel hub outer ring, the first simulation outer ring sleeve of wheel hub is in the first simulation wheel
The outside of hub inner ring, the second simulation outer ring sleeve of wheel hub is in the outside of the second simulation wheel hub inner ring, first simulation
Wheel hub inner ring and the second simulation wheel hub inner ring are bolted to connection, first simulation wheel hub outer ring and described second
Simulation wheel hub outer ring is bolted to connection；
One end far from the second simulation wheel hub inner ring of the first simulation wheel hub inner ring is connected with drive axle hub flange,
The drive axle hub flange is located at the inside of first simulation wheel hub outer ring, the upper side of first simulation wheel hub outer ring
Outer surface and the outer surface of downside be respectively equipped with the first connection structure and the second connection structure, first connection structure with
Vertical Cylinders connection to simulate faces the holding power of tire, and second connection structure is connect to simulate ground with cross cylinder
To the lateral force of tire.
2. drive axle hub according to claim 1 rotates loading device, which is characterized in that outside the first simulation wheel hub
Circle includes frame and fixing seat, and the fixed seating is in the frame and left side and right side and the fixed company of the frame
It connecing, the upper lateral part of the frame is equipped with first connection structure, and the following side of the frame is equipped with second connection structure,
The fixing seat is equipped with centre bore；
The first simulation wheel hub inner ring, the second simulation wheel hub inner ring and second simulation wheel hub outer ring include ring
The fixing sleeve and first flange of shape, the first flange are set to one end of the fixing sleeve, the first simulation wheel hub inner ring
The first flange of the fixing sleeve and the second simulation wheel hub inner ring is bolted to connection, the second simulation wheel
The first flange of hub outer ring is bolted in the fixing seat, the centre bore and all fixing sleeves
Axis is identical；
The first flange of the first simulation wheel hub inner ring forms the drive axle hub flange, the drive axle hub method
Orchid protrudes the fixing seat and is located in the frame.
3. drive axle hub according to claim 2 rotates loading device, which is characterized in that further include an end cap and two
A tapered roller bearing and three bearings plates, it is described second simulation wheel hub inner ring the fixing sleeve one end with it is described
End cap is fixedly connected, one tapered roller bearing cover it is described first simulation wheel hub inner ring the fixing sleeve outside and
Both ends are affixed with a bearings plate respectively, another described tapered roller bearing covers in the second simulation wheel hub
The fixing sleeve of circle is outer and one end is affixed with bearings plate described in another, the end of the side wall of the other end and the end cap
Portion is affixed.
4. drive axle hub according to claim 3 rotates loading device, which is characterized in that outside the second simulation wheel hub
Inner wall one annular bearings plate of inwardly projecting formation of the fixing sleeve of circle, second simulation wheel hub outer ring
The fixing sleeve far from the end cap one end protrude it is described second simulation wheel hub outer ring the first flange formed one
The bearings plate of a annular, the outer wall of one end of the first simulation wheel hub inner ring outwardly protrude to be formed one it is annular
The bearings plate；
The end cap includes the fixed lid of annular, and the inwardly projecting mounting plate for being equipped with annular of inner wall of the fixed lid is described solid
Surely one end that the end of the side wall covered is covered with the tapered roller bearing is affixed, in the mounting plate and the second simulation wheel hub
One end of the fixing sleeve of circle is equipped with gap adjustment bolt hole, and is inserted into the gap adjustment bolt Kong Ergu by bolt
Fixed connection.
5. drive axle hub according to claim 2 rotates loading device, which is characterized in that first connection structure is
Second flange, the second flange be equipped with several thread spindles, the upper lateral part of the frame set there are two be parallel to each other first
Long waist shaped slot, the second flange pass through the first long waist shaped slot by the thread spindle and are fixed by nut
Determine on said frame；Second connection structure includes the first fixed plate, the second fixed plate and U-shaped board, and described first is fixed
Plate is equipped with fixing axle, and the fixing axle sequentially passes through second fixed plate and the U-shaped board, first fixed plate and institute
The following side connection for stating frame is set in first fixed plate there are two the second long waist shaped slot being parallel to each other, described second
Adjustable bolt is equipped in long waist shaped slot, second fixed plate is inserted into the second long waist shaped slot by bolt
Be fixed in first fixed plate, the fixing axle between second fixed plate and the U-shaped board by oscillating bearing with
Cross cylinder connection；The first long waist shaped slot and the second long waist shaped slot are along the axis direction of the centre bore point
Cloth.
6. drive axle hub according to claim 5 rotates loading device, which is characterized in that further include several gauge thickness
Cushion block, between first fixed plate and second fixed plate removably be equipped with a kind of gauge thickness the cushion block.
7. drive axle hub according to claim 5 rotates loading device, which is characterized in that the thread spindle is four,
The thread spindle is bolt, and the second flange is equipped with the counter sink for installing the head of bolt, the head quilt of the bolt
It is fixed in the counter sink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822242491.7U CN209624045U (en) | 2018-12-29 | 2018-12-29 | A kind of drive axle hub rotation loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822242491.7U CN209624045U (en) | 2018-12-29 | 2018-12-29 | A kind of drive axle hub rotation loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209624045U true CN209624045U (en) | 2019-11-12 |
Family
ID=68447907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822242491.7U Active CN209624045U (en) | 2018-12-29 | 2018-12-29 | A kind of drive axle hub rotation loading device |
Country Status (1)
| Country | Link |
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| CN (1) | CN209624045U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112051042A (en) * | 2020-08-18 | 2020-12-08 | 上汽大众汽车有限公司 | Hub extrusion test device and hub extrusion simulation analysis method |
| CN118310768A (en) * | 2024-06-11 | 2024-07-09 | 河北兴润汽车底盘系统制造有限公司 | Driving axle test device |
-
2018
- 2018-12-29 CN CN201822242491.7U patent/CN209624045U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112051042A (en) * | 2020-08-18 | 2020-12-08 | 上汽大众汽车有限公司 | Hub extrusion test device and hub extrusion simulation analysis method |
| CN112051042B (en) * | 2020-08-18 | 2021-12-31 | 上汽大众汽车有限公司 | Hub extrusion test device and hub extrusion simulation analysis method |
| CN118310768A (en) * | 2024-06-11 | 2024-07-09 | 河北兴润汽车底盘系统制造有限公司 | Driving axle test device |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 699, Lushan Road, high tech Zone, Suzhou City, Jiangsu Province Patentee after: China Automobile Research Institute (Jiangsu) Automotive Engineering Research Institute Co.,Ltd. Address before: 215000 No. 699 Lushan Road, high tech Zone, Suzhou City, Jiangsu Province Patentee before: SUZHOU CAERI AUTOMOTIVE TEST RESEARCH CO.,LTD. |
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| CP03 | Change of name, title or address |