CN104764606B - A kind of axle hub assembly performance test device - Google Patents
A kind of axle hub assembly performance test device Download PDFInfo
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- CN104764606B CN104764606B CN201510199751.5A CN201510199751A CN104764606B CN 104764606 B CN104764606 B CN 104764606B CN 201510199751 A CN201510199751 A CN 201510199751A CN 104764606 B CN104764606 B CN 104764606B
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Abstract
The invention discloses a kind of axle hub assembly performance test device, it includes carrying apparatus and loading device, wherein：The carrying apparatus is used on simulating vehicle the part for assembling axle hub assembly, and support is provided for axle hub assembly to be measured；The loading device is used for according to default vehicle condition analog parameter, and the axle hub assembly to be measured is loaded.The simulated environment for being more nearly vehicle real vehicle state can be provided for axle hub total integral fatigue life by inventing the axle hub assembly performance test device provided, be that preferable directive function is played in product development.
Description
Technical field
The present invention relates to automotive system parts detection field, more particularly to a kind of axle hub assembly performance test dress
Put.
Background technology
Axle hub assembly is the drive disk assembly of wheel, and it includes wheel hub, hub inner bearing, wheel hub outer bearing, wheel hub oil
Envelope and oil sealing seat ring.The correlation technique for the fatigue life for evaluating bearing is presently, there are, still, still can not be to axle hub assembly
Overall fatigue life and the sealing property of oil sealing are evaluated.
The content of the invention
Overcome it is an object of the invention to provide a kind of axle hub assembly performance test device or at least mitigate existing
At least one drawbacks described above in technology.
To achieve the above object, the present invention provides a kind of axle hub assembly performance test device, and it includes carrying apparatus
And loading device, wherein：The carrying apparatus is used on simulating vehicle the part for assembling axle hub assembly, is vehicle bridge to be measured
Hub assembly provides support；The loading device is used for according to default vehicle condition analog parameter, total to the axle hub to be measured
Into being loaded.
Further, the carrying apparatus includes testing stand and the mounting tool being arranged on the testing stand, the peace
Fill the part that frock is used on simulating vehicle assemble axle hub assembly.
Further, the mounting tool is solid with axle hub assembly including wheel hub installation equipment, on simulating vehicle
Surely the fast pulley hub axle and the first clamping device of the hub spindle connected；Wherein：The wheel hub, which installs equipment, has power transmission shaft, the biography
One end of moving axis and the rotating speed simulation mechanism drive connection, the other end are connected with the axle hub assembly to be measured；Institute
Fast pulley hub axle is stated to be connected with the axle hub assembly rotation to be measured；First clamping device is used for the stationary hub
Axle is gripped.
Further, the wheel hub, which installs equipment, also has the shell of the built-in power transmission shaft, and the mounting tool is also wrapped
Include the second clamping device gripped to the shell.
Further, second clamping device includes the clamping body with central through hole, the inner edge of the central through hole
Being intervally distributed with prevents the raised structures of the shell rotation.
Further, the two bottom sides of the clamping body are extended outward horizontally so as to form connecting portion respectively, and the connecting portion is opened
It is in arc-shaped provided with mounting hole, and the transition face clamped between body.
Further, the mounting tool also includes the first firm banking, and it is provided with chute along the transmission direction of principal axis
And bolt hole, the chute can be slidably matched with second clamping device, and the bolt hole passes through bolt and installed with described
Hole is fixedly connected.
Further, the lateral wall of the fast pulley hub axle is provided with and the bearing phase in the axle hub assembly to be measured
The pedestal of cooperation.
Further, the loading device includes load simulated mechanism, rotating speed simulation mechanism and stress bearing, wherein：Institute
Stating load simulated mechanism is used to apply axial direction and/or vertical force to the axle hub assembly to be measured；The rotating speed simulation mechanism
For with the axle hub assembly drive connection to be measured, to control the rotating speed of the axle hub assembly to be measured.
Further, the stress bearing includes loading body and extension, wherein：The connected institute of loading bodies top
The first clamping device is stated, for bearing the side force；The extension is arranged on the loading body and prolonged in the horizontal direction
The underface of the axle hub assembly to be measured is extended, for bearing the vertical force.
Further, in addition to mechanics sensor, it is used to gather the load information that the loading device applies.
Further, in addition to temperature sensor, it is arranged on the axle hub assembly to be measured, described for gathering
The temperature information of axle hub assembly to be measured.
Because the present invention is provided with carrying apparatus and loading device, carrying apparatus is used to assemble axle hub on simulating vehicle
The part of assembly, provides support, loading device is used for according to default vehicle condition analog parameter, right for axle hub assembly to be measured
Axle hub assembly to be measured is loaded, therefore the present invention can both fill axle hub assembly to be measured according to actual entrucking situation
Carrying apparatus is fitted on, axle hub assembly can also be loaded according to actual vehicle condition by loading device, that is to say, that be real
The assembling situation and vehicle condition of axle hub assembly can be arranged to consistent with actual vehicle condition during testing, and according to vehicle bridge to be measured
The degree of wear of hub assembly judges axle hub total integral fatigue life.In summary, the vehicle bridge wheel that the present invention is provided
Hub assembly performance test device can provide for axle hub total integral fatigue life and be more nearly vehicle real vehicle state
Simulated environment, is that preferable directive function is played in product development.
Brief description of the drawings
Fig. 1 is total for the axle hub assembly performance test device fit on axle hub that the present invention is provided according to an embodiment
Schematic perspective view after；
Fig. 2 is Fig. 1 side view；
Fig. 3 is Fig. 1 top view；
Fig. 4 be Fig. 1 in the second clamping device schematic perspective view；
Fig. 5 installs the front view of equipment for the wheel hub in Fig. 1；
Fig. 6 is Fig. 5 side view；
Fig. 7 is the schematic perspective view of fast pulley hub axle in Fig. 1；
Fig. 8 is the top view of firm banking in Fig. 1；
Fig. 9 is the force analysis schematic diagram of wheel hub in actual vehicle condition.
Reference：
Embodiment
To make the purpose, technical scheme and advantage of the invention implemented clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label represent same or similar element or the element with same or like function.Described embodiment is the present invention
A part of embodiment, rather than whole embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to uses
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people
All other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.Under
Embodiments of the invention are described in detail with reference to accompanying drawing for face.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, is for only for ease of the description present invention and simplifies description, rather than indicate or imply signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to present invention protection
The limitation of scope.
Fig. 1 is illustrated that the axle hub assembly performance test device fit on vehicle bridge that the present invention is provided according to an embodiment
Schematic diagram after hub assembly.As shown in figure 1, the axle hub assembly performance test device that the present embodiment is provided includes loading
Device 1 and loading device 2, wherein：
Carrying apparatus 1 is used for the part of assembling and driving axle hub assembly on simulating vehicle, is axle hub to be measured
Assembly 3 provides support force and driving force.That is, carrying apparatus 1 can treat survey axle hub according to actual entrucking situation
Assembly 3 is assembled.Loading device 2 is used for according to default vehicle condition analog parameter, and the axle hub assembly 3 to be measured is carried out
Loading, makes axle hub assembly 3 to be measured carry out continuous firing according to real vehicle operating mode.
Above-mentioned " vehicle condition analog parameter " includes loading parameter, such as：Vertical force, side force and axle hub assembly to be measured
3 rotating speed." vertical force " herein refers to power vertically, and " side force " herein is referred to perpendicular to " treating measuring car
The power of plane where bridge hub assembly 3 ".Above-mentioned " vehicle condition analog parameter " is essentially according to " axle hub assembly 3 " to be measured is applicable
Vehicle, actual vehicle condition etc. pre-set.Therefore, by the way that vehicle condition analog parameter is arranged to and Shi Jishiyong operating mode one
Cause, the simulated environment for being more nearly automobile real vehicle state can be provided for the fatigue life test of axle hub assembly 3.
Above-mentioned " vehicle condition analog parameter " also includes test number (TN), the time tested every time and dead time etc..Wherein,
" dead time " refer to controlling axle hub assembly 3 to be measured act twice between dead time, be similar to：Act (past) 1
Second-pause 2 seconds-action (multiple) 1 second-pause 2 seconds.The time tested by test number (TN) and every time, in conjunction with treating
The degree of wear of measuring car bridge hub assembly 3, just can judge the fatigue life test of axle hub assembly 3.Certainly, try
Test number of times and time for testing every time can be by artificial empirically determined, therefore, number of times and test period (test period=experiment time
The time that number * is tested every time) leading indicator of the fatigue life test of axle hub assembly 3 will be used as.
To sum up, the present invention both can according to actual entrucking situation by axle hub general assembly to be measured to carrying apparatus, and also
Axle hub assembly can be loaded according to actual vehicle condition by loading device, that is to say, that vehicle bridge wheel in experimentation
The assembling situation and vehicle condition of hub assembly can be arranged to consistent with actual vehicle condition, and according to the abrasion of axle hub assembly to be measured
Deciding degree axle hub total integral fatigue life.In summary, the axle hub assembly performance test that the present invention is provided
Device can provide the simulated environment for being more nearly vehicle real vehicle state for axle hub total integral fatigue life, be product
Preferable directive function is played in exploitation.
As shown in Figures 1 to 3, as a kind of preferred embodiment of carrying apparatus 1, it includes testing stand 11 and mounting tool
13.Wherein：Testing stand 11 uses iron bottom plate, is fixed on firm, smooth ground, is T-slot structure, regular worker
Part is convenient.Mounting tool 13 is arranged on testing stand 11.Mounting tool 13 is used for assembling axle hub assembly on simulating vehicle
Partly (being such as knuckle or Drive axle housing etc.), it is the dress of the axle hub assembly 3 to be measured on mounting tool 13
With the simulated environment provided close to real vehicle.
Preferably, mounting tool 13 includes wheel hub installation equipment 131, the clamping device 133 of fast pulley hub axle 132 and first.
Wherein：Wheel hub, which installs equipment 131, has power transmission shaft 1311, and one end of the power transmission shaft 1311 drives with rotating speed simulation mechanism 24 to be connected
Connect, the other end is connected with axle hub assembly 3 to be measured.Therefore, the power that rotating speed simulation mechanism 24 is exported can be by passing
Moving axis 1311 passes to axle hub assembly 3 to be measured, to control axle hub assembly 3 to be measured to be turned according to default rotating speed
It is dynamic.Fast pulley hub axle 132 is used for the hub spindle that is fixedly connected with axle hub assembly on simulating vehicle, for vehicle bridge wheel to be measured
Hub assembly 3 rotates the bearing connection in connection, such as real vehicle operating mode.First clamping device 133 is used to press from both sides fast pulley hub axle 132
Fixation is held, than journal stirrup as shown in Figure 2 or supporting structure etc..Equipment 131 and fast pulley hub axle 132 are installed by wheel hub, can
To ensure that axle hub assembly 3 to be measured is assembled according to actual entrucking situation, the simulated environment close to real vehicle is conducive to provide.
As shown in Fig. 1 to 3, Fig. 5 and Fig. 6, in above-described embodiment, wheel hub, which installs equipment 131, also has built-in power transmission shaft
1311 shell 1312, shell 1312 has the mounting surface 1313 that axle hub assembly 3 to be measured is installed to mounting tool 13, peace
Some connecting holes 1314 are provided with dress face 1313.In other embodiments of the invention, connecting hole 1314 may be arranged as
Screwed hole, can be by components such as bolt or connecting pins by the present invention during the wheel hub of the connection present invention installs equipment 131
Wheel hub install equipment 131 connected with axle hub assembly 3 to be measured.
Mounting tool 13 also includes the second clamping device 134, and the second clamping device 134 is used to clamp admittedly shell 1312
It is fixed.Second clamping device 134 can also using the similar structure of the first clamping device 133, than journal stirrup as shown in Figure 2 or
Supporting constructions such as support etc..The quantity of the second clamping device 134 shown in Fig. 2 is two, and also as shell 1312 provides two
The individual strong point, to realize that wheel hub installs the installation and fixation of equipment 131.
As shown in figure 4, in above-described embodiment, the second clamping device 134 includes the clamping body with central through hole 1341
1342, the inner edge of central through hole 1341 is intervally distributed with raised structures 1343, and raised structures 1343 can be compressed with shell 1312
Coordinate, further realize fixing to clamp to shell 1312, prevent shell 1312 from rotating.It is understood that the present invention is not
Be limited to the structure of such a compression fit, it is other can realize structure that support but prevent rotates also protection scope of the present invention it
It is interior.
The two bottom sides of clamping body 1342 are extended outward horizontally so as to form connecting portion 1344 respectively, and the connecting portion 1344 is opened up
There is mounting hole 1345.In other embodiments of the invention, mounting hole 1345 may be arranged as screwed hole, the connection present invention's
, can be by components such as bolt or connecting pins by clamping body 1342 and the other portions of the present invention during clamping body 1342
Part is connected.Transition face between connecting portion 1344 and clamping body 1342 is in arc-shaped, and it is conducive to avoiding stress concentration.
In the various embodiments described above, mounting tool 13 also includes the first firm banking 135, and it is connected with testing stand 11 by bolt
Fixation is connect, is convenient to mount and dismount.First firm banking 135 is provided with chute 1351 and connecting hole 1352 along the direction of power transmission shaft 1311, its
In：1351 points of chute is left chute and right rail, and correspondingly, the second clamping device 134 is provided with left slider and right cunning
Block, by the cooperation between sliding block and chute, can match somebody with somebody the first firm banking 135 and the formation slip of the second clamping device 134
Close.That is, bottom can be fixed relative to first to adjust the second clamping device 134 by sliding the second clamping device 134
The position relationship of seat 135, that is, change supporting point position of second clamping device 134 to shell 1312, measuring car treated to solve difference
The problem of weight of bridge hub assembly 3 is distinct.When the second clamping device 134 is adjusted to predeterminated position, it can adopt
Connecting hole 1352 and mounting hole 1345 are passed through with components such as threaded screw fasteners or connecting pins, to be fixedly connected with the second clamping device 134
With the first firm banking 135.Rotating speed simulation mechanism 24 is also fixedly connected with first firm banking 135, so that rotating speed analog machine
The clutch end of structure 24 aligns with the center line of the power intake of power transmission shaft 1311.
In above-described embodiment, fast pulley hub axle 132 uses multi-diameter shaft, i.e. lateral wall to be provided with and axle hub assembly to be measured
The pedestal 1321 that bearing in 3 is engaged.The end face of fast pulley hub axle 132 is provided with bolt hole.Fast pulley hub axle 132 is passed through
The centre bore of first clamping device 133, is connected by bearing with axle hub assembly 3 to be measured.
In above-described embodiment, loading device 2 is used for according to default vehicle condition analog parameter, total to the axle hub to be measured
Loaded into 3, axle hub assembly 3 to be measured is operated according to real vehicle operating mode.Loading device 2 includes load simulated machine
Structure, rotating speed simulation mechanism 24 and stress bearing, wherein：
The load simulated mechanism such as can using existing hydraulic mechanism realize, its be used for according to default load to
Axle hub assembly 3 to be measured applies side force (the A directions in Fig. 2) and/or vertical force (the B directions in Fig. 2), actual tests
In, the peak load of experiment should exceed 160000N.The load simulated mechanism ensure that to be set load, checks load exactly
Lotus and deflection simultaneously can be automatically stopped equipment when failure makes stroke increase.
Fig. 9 is illustrated that the force analysis schematic diagram of wheel hub.As shown in figure 9, under the extreme case that vehicle is travelled, it is following
Several load can be acted on wheel hub simultaneously.
The first load：Ground faces the support force B of wheel hub；Second of load：Acted on for Ackermann steer angle along vehicle bridge axis
Side force A；3rd load：This kind of load is moment of flexure Q, and moment of flexure Q is acted on and wheel disc method by the support force B in the first load
Blue face M is to producing, Q=B × E on arm isometric the distance between wheel center N E.Because the third load is also by first
Plant what load was produced, so only having taken the first and second in axle hub performance testing device provided by the present invention
Load, i.e.,：The vertical force B applied in Fig. 2 is equivalent to the first load, equivalent to second load of side force A, therefore the present invention
The load of application can be consistent with actual vehicle condition, is conducive to provide the simulated environment close to real vehicle.
The part that rotating speed simulation mechanism 24 is used for analog-driven axle hub assembly is such as the power source such as engine portion
Point.Rotating speed simulation mechanism 24 be used for the drive connection of axle hub assembly 3 to be measured, with control axle hub assembly 3 to be measured turn
Speed.Rotating speed simulation mechanism 24 can use motor, and the power of motor needs satisfaction to simulate vehicle actual vehicle speed, makes rotating speed mould
It is that axle hub assembly 3 to be measured provides the rotation driving force consistent with real vehicle operating mode to intend mechanism 24, to improve the true of simulation
Property.
The stress bearing can specifically include loading body 21 and extension 22, wherein：The top of body 21 is loaded to be connected
First clamping device 133, for bearing the side force, the first clamping device 133 is passed sequentially through and solid by the side force
Fixed wheel hub axle 132 is delivered to axle hub assembly 3 to be measured.Extension 22 is arranged on loading body 21 side, and in the horizontal direction
Extend to the underface of axle hub assembly 3 to be measured.Extension 22 is used to bear the vertical force, by the vertical force successively
Axle hub assembly 3 to be measured is delivered to by the first clamping device 133 and fast pulley hub axle 132.
Substantially, should as shown in Fig. 2 the first clamping device 133, loading body 21 and extension 22 can be integrally formed
Integral forming process can be obtained using known method.
The stress bearing also includes the second firm banking 23, and it is bolted fixation, assembly and disassembly side with testing stand 11
Just.Second firm banking 23 uses reinforcement structure, firm stable.
Axle hub assembly 3 to be tested can be that the axle hub assembly that direct entrucking is used or warp are complete
Representative new vehicle bridge hub assembly processing, being available for vehicle bridge assembling, and each axle hub assembly is only
It can be used to once test.The part that axle hub assembly is specifically included is as shown in the table.
Experimental rig provided by the present invention can carry out load test, the completely actual entrucking feelings of simulation according to actual condition
Condition, both can also evaluate bearing fatigue life with the fatigue life of overall evaluation axle hub assembly, and can also evaluate oil sealing
Sealing property, the test of above-mentioned various performances is to be used as main Judging index, various property using number of times and test period
The difference that can be tested is only in that test is used or parts to be evaluated are different.Decision method is generally similar to：It is overall
When evaluating the fatigue life test of axle hub assembly, if axle hub assembly 3 is surveyed according to default number of times and test period
After the completion of examination, still stand intact, then judge the fatigue life of the axle hub assembly 3 to be excellent；If axle hub assembly 3
According to default number of times and test period test after the completion of badly broken, then judge the fatigue life of the axle hub assembly 3 as
Difference.
In the various embodiments described above, axle hub assembly performance test device also includes mechanics sensor 4, mechanics sensor 4
Load information for gathering the application of loading device 2, its quantity is at least two, is separately positioned on loading body 21 and extension
A points, B points in 22 stress point, such as Fig. 2.The load information that mechanics sensor 4 the is collected load simulated mechanism that conducts a survey
Whether the basis for estimation loaded according to default load, check frequency can be arranged in the range of 0.52 to 2 hertz.
In the various embodiments described above, axle hub assembly performance test device also includes temperature sensor 5, temperature sensor 5
Be arranged on is exactly that outside wheel hub, can use contactless temperature sensor, measuring car is treated in whole experiment process for monitoring
The temperature regime of bridge hub assembly 3.Temperature sensor 5 is in use, for example when the temperature detected is more than 120 °, then show to be measured
Other parts of axle hub assembly 3 occur in that problematic, and now testing crew needs to stop at once experiment, investigation problem production
It can continue to test or rearrange experiment after raw the reason for.
It is last it is to be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
The present invention is described in detail with reference to the foregoing embodiments for pipe, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, the essence of appropriate technical solution is departed from the essence of various embodiments of the present invention technical scheme
God and scope.
Claims (11)
1. a kind of axle hub assembly performance test device, it is characterised in that：Including carrying apparatus (1) and loading device (2), its
In：The carrying apparatus (1) is used on simulating vehicle the part for assembling axle hub assembly, is axle hub assembly to be measured
(3) support is provided；The loading device (2) is used for according to default vehicle condition analog parameter, to the axle hub assembly to be measured
(3) loaded；The carrying apparatus (1) includes mounting tool (13), and the mounting tool (13) includes wheel hub and installs equipment
(131), the wheel hub, which installs equipment (131), has the shell of power transmission shaft (1311) and the built-in power transmission shaft (1311)
(1312), one end of the power transmission shaft (1311) and rotating speed simulation mechanism (24) drive connection, the other end and the vehicle bridge to be measured
Hub assembly (3) is connected；The mounting tool (13) also includes the second folder gripped to the shell (1312)
Hold mechanism (134).
2. axle hub assembly performance test device as claimed in claim 1, it is characterised in that：Carrying apparatus (1) bag
The mounting tool (13) for including testing stand (11) and being arranged on the testing stand (11), the mounting tool (13) is used to simulate car
The part of assembling axle hub assembly on.
3. axle hub assembly performance test device as claimed in claim 2, it is characterised in that：The mounting tool (13) is also
Including the fast pulley hub axle (132) of hub spindle being fixedly connected on simulating vehicle with axle hub assembly and the first clamping machine
Structure (133)；Wherein：The fast pulley hub axle (132) rotates with the axle hub assembly (3) to be measured and is connected；First folder
Holding mechanism (133) is used to grip the fast pulley hub axle (132).
4. axle hub assembly performance test device as claimed in claim 1, it is characterised in that：Second clamping device
(134) the clamping body (1342) with central through hole (1341) is included, the inner edge of the central through hole (1341) is intervally distributed with
Prevent the raised structures (1343) of the shell (1312) rotation.
5. axle hub assembly performance test device as claimed in claim 4, it is characterised in that：The clamping body (1342)
Two bottom sides be extended outward horizontally so as to form connecting portion (1344) respectively, the connecting portion (1344) offers mounting hole (1345),
And the transition face between the clamping body (1342) is in arc-shaped.
6. axle hub assembly performance test device as claimed in claim 5, it is characterised in that：The mounting tool (13) is also
Including the first firm banking (135), it is provided with chute (1351) and bolt hole (1352) along the power transmission shaft (1311) direction,
The chute (1351) can be slidably matched with second clamping device (134), the bolt hole (1352) by bolt with
The mounting hole (1345) is fixedly connected.
7. axle hub assembly performance test device as claimed in claim 3, it is characterised in that：The fast pulley hub axle
(132) lateral wall is provided with the pedestal (1321) being engaged with the bearing in the axle hub assembly (3) to be measured.
8. axle hub assembly performance test device as claimed in claim 3, it is characterised in that：Loading device (2) bag
Load simulated mechanism, rotating speed simulation mechanism (24) and stress bearing are included, wherein：The load simulated mechanism is used for described to be measured
Axle hub assembly (3) applies axial direction and/or vertical force；The rotating speed simulation mechanism (24) is used for and the axle hub to be measured
Assembly (3) drive connection, to control the rotating speed of the axle hub assembly (3) to be measured.
9. axle hub assembly performance test device as claimed in claim 8, it is characterised in that：The stress bearing includes adding
Body (21) and extension (22) are carried, wherein：Be connected first clamping device (133) at the top of the loading body (21), uses
In bearing side force；The extension (22) is arranged on the loading body (21) and horizontally extending to described treats measuring car
The underface of bridge hub assembly (3), for bearing the vertical force.
10. axle hub assembly performance test device as claimed in claim 1, it is characterised in that：Also include mechanics sensor
(4), its load information for being used to gather the loading device (2) application.
11. axle hub assembly performance test device as claimed in claim 1, it is characterised in that：Also include temperature sensor
(5), it is arranged on the axle hub assembly (3) to be measured, and the temperature for gathering the axle hub assembly (3) to be measured is believed
Breath.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510199751.5A CN104764606B (en) | 2015-04-23 | 2015-04-23 | A kind of axle hub assembly performance test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510199751.5A CN104764606B (en) | 2015-04-23 | 2015-04-23 | A kind of axle hub assembly performance test device |
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| CN104764606A CN104764606A (en) | 2015-07-08 |
| CN104764606B true CN104764606B (en) | 2017-08-29 |
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| CN201510199751.5A Active CN104764606B (en) | 2015-04-23 | 2015-04-23 | A kind of axle hub assembly performance test device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571879A (en) * | 2016-02-25 | 2016-05-11 | 潘唯锡 | Tangential alternating stress testing equipment for hub of vehicle |
| CN108020786A (en) * | 2017-12-27 | 2018-05-11 | 横店集团英洛华电气有限公司 | External-rotor-type driving wheel motor loads loading performance test device |
| CN110646137B (en) * | 2019-09-29 | 2021-04-06 | 杭州仁源汽配有限公司 | Device for detecting a heavily loaded wheel hub unit of a motor vehicle and method for operating the device |
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