CN207976281U - A kind of drive axle entirety driving error test measurement device - Google Patents
A kind of drive axle entirety driving error test measurement device Download PDFInfo
- Publication number
- CN207976281U CN207976281U CN201820354974.3U CN201820354974U CN207976281U CN 207976281 U CN207976281 U CN 207976281U CN 201820354974 U CN201820354974 U CN 201820354974U CN 207976281 U CN207976281 U CN 207976281U
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- driving
- drive axle
- loading
- drive
- output shaft
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Abstract
The utility model discloses a kind of drive axle entirety driving error test measurement devices, including drive axle to be tested, and the driving mechanism being connected on the input shaft end of the drive axle；It is connected with the load maintainer being symmetrically set on two output shaft ends of the drive axle；The driving mechanism includes the driving motor for being sequentially connected setting, driving speed reducer, driving end rotary speed torque sensor and driving end angular displacement sensor；Each load maintainer includes loading motor, Lug-Down machine, loading end rotary speed torque sensor and loading end angular displacement sensor；It further include the TT＆C system for signal acquisition and progress Loading Control.The utility model has and can test simultaneously two output shaft ends of drive axle, the whole driving error of drive axle is obtained, measurement result precision is high, and carries out lossless installation to drive axle, the advantages that enabling experiment drive axle to reuse, advantageously reduce experimentation cost.
Description
Technical field
The utility model is related to car test techniqes fields, and mistake is integrally driven in particular to a kind of bilateral load driver bridge
Poor test measurement device.
Background technology
Component one of of the automobile drive axle as Hyundai Motor transmission system is located at power train end, subtracts tooth by master
The engaged transmission of wheel set reduces rotating speed, increase torque from speed changer, and distributes to driving wheel.But since gear pair adds
The reasons such as work, installation, deformation, when transmission, will produce driving error, show as the continuous variation of instantaneous transmission ratio, this is also to influence
The one of the major reasons of drive axle meshing performance, therefore the detection of driving error is particularly significant for drive axle performance evaluation.
But existing gear transmission test measurement is to be directed to gearbox or machine tool drive mostly on the market
The unilateral loading structure such as chain, this class formation only correspond to an input and an output end, it is only necessary to directly be carried out to input and output
Load, detection can be obtained driving error, but since drive axle structure is special, there are two output end, loads for an input terminal
When be that both sides are carried out at the same time load, left and right loading end moment of torsion control cannot accomplish completely the same, therefore left and right load is measured and
Driving error curve has deviation, and if simple only carries out driving error tester to input terminal and one of loading end
It calculates, then obtained detection result of calculation can not comprehensively reflect the transmission performance of entire drive axle.And it is driven on the market
Error device, most of is motor control driving and load, can not accomplish that the band under specified load carries and start, and torque control
System can not accomplish it is exactly accurate, but during drive error testing, torque ripple on drive error testing result influence compared with
Greatly, it therefore also needs to design one kind and having specified load lower band and carry startup function, and the driving error that torque ripple is smaller
Test measurement equipment.
For specifying load lower band to carry the drive axle entirety driving error started for bilateral load driver bridge and drive axle
Test measurement device, there are no the reports of relevant test measurement device both at home and abroad at present, and therefore, it is a kind of for double that there is an urgent need for designs
The test measurement device of drive axle entirety driving error under the load mode of side, and under bilateral loading environment, when left and right two
When side torque has differences, accurate Angular Displacement Detecting can be carried out to drive axle simultaneously can eliminate left and right load torque difference band
The influence come, and drive axle entirety driving error is accurately calculated.And the equipment is also equipped with the load of the band under specific torsion
The functions such as startup, this has a very important significance the calculating of drive axle entirety Transmission Error Measuring.
Utility model content
In view of the above shortcomings of the prior art, technical problem to be solved in the utility model is：How a kind of energy is provided
It is enough that two output shaft ends of drive axle are tested simultaneously, the whole driving error of drive axle is obtained, measurement result precision is high,
And lossless installation is carried out to drive axle so that experiment drive axle can reuse, and advantageously reduce the driving of experimentation cost
Bridge entirety driving error test measurement device.
In order to solve the above-mentioned technical problem, the utility model uses the following technical solution：
A kind of drive axle entirety driving error test measurement device, including drive axle to be tested, and be connected to described
Driving mechanism on the input shaft end of drive axle；It is characterized in that, being connected on two output shaft ends of the drive axle mutually
Symmetrically arranged load maintainer；The driving mechanism includes the driving motor for being sequentially connected setting, driving speed reducer, driving end turn
Fast torque sensor and driving end angular displacement sensor；Each load maintainer includes loading motor, Lug-Down machine, adds
Carry end rotary speed torque sensor and loading end angular displacement sensor；It further include the survey for signal acquisition and progress Loading Control
Control system, the driving motor, driving end rotary speed torque sensor, driving end angular displacement sensor, loading motor, loading end turn
Fast torque sensor and loading end angular displacement sensor are connected to the TT＆C system.
Using the above structure, by the way that a load maintainer is respectively arranged on two output shaft ends of drive axle, while to driving
Two output shaft ends of dynamic bridge are loaded, so that it may with transmission situation of the analog-driven bridge under real vehicle operating mode.Meanwhile utilizing two
Loading end rotary speed torque sensor and loading end angular displacement sensor on a load maintainer respectively carry out two output shaft ends
Test, so that it may be measured with the driving error to entire drive axle.Compared to traditional drive axle driving error measuring device,
One output shaft end of drive axle is welded, one end of drive axle can only be tested, drive axle can not be reacted on the whole
True driving error, measurement accuracy is poor, and irreversible damage can be also caused to drive axle, influence drive axle repetition profit
With.To sum up, this test measurement device can simultaneously test two output shaft ends of drive axle, can obtain drive axle
Whole driving error, measurement result precision is high, and carries out lossless installation to drive axle so that experiment drive axle can repeat
It utilizes, advantageously reduces experimentation cost.
Further, the driving mechanism further includes being connected to the driving speed reducer and driving end rotary speed torque sensor
Between driving end friction-loaded device；The load maintainer further includes being connected to the Lug-Down machine and the torsion of loading end rotating speed
Loading end friction-loaded device between square sensor.
Using the above structure, driving end friction-loaded device and loading end friction-loaded device is respectively set, so that it may to divide
Transmission of the other analog-driven bridge under real vehicle driving cycle；For example, in the operating mode of simulated engine driving vehicle traveling, it can be with
Lug-Down machine and loading end friction-loaded device are disconnected, loading end friction-loaded device is set to specified load, is passed through
Driving motor drives the input shaft end of drive axle, so that it may be tested with carrying out the driving error under specified load.It is simulating
Driving speed reducer and driving end friction-loaded device when overrunning condition, can be disconnected, driving end rubbed by vehicle descending
Wipe loading device and be set to specified load, reverse drive is carried out to the output shaft end of drive axle by loading motor, so that it may with into
Driving error experiment under row overrunning condition.
Further, driving end friction-loaded device and loading end friction-loaded device are magnetic powder brake.
Further, the driving speed reducer and the Lug-Down machine are the imported speed reducer in hole；The driving electricity
The output shaft of machine is inserted into the input hole of the driving speed reducer, and is integrated by bolt and driving speed reducer installation；Institute
The output shaft for stating loading motor is inserted into the input hole of the Lug-Down machine, and is installed as by bolt and the Lug-Down machine
One.
Using the above structure, used shaft coupling when axis connection can both have been reduced so that measuring device is simpler, together
When, the quantity of transmission parts is reduced, is improved between driving motor and driving speed reducer, loading motor and Lug-Down machine
Connective stability and transmission efficiency reduce the loss of transmission, are conducive to improve the precision measured.
Further, the input shaft end of the driving end rotary speed torque sensor and the drive axle, which is additionally provided with, passes through axis
The drive connection axis of bearing support, described one end for being drivingly connected axis is connected with driving end rotary speed torque sensor, another
End is connected by diaphragm coupling with the input shaft end of the drive axle；Driving end angular displacement sensor is mounted on the drive
On the flange of the output shaft end of dynamic bridge；The output shaft end of the loading end rotary speed torque sensor and the load bridge is additionally provided with
By the load connecting shaft of bearing seat supports, one end of the load connecting shaft and the loading end rotary speed torque sensor phase
Even, the other end is connected by diaphragm coupling with the output shaft end of the load bridge；The loading end angular displacement sensor installation
On the flange of the output shaft end of the load bridge.
Further, further include bottom plate, there are multiple transversely sliding slots with longitudinally staggered setting on the bottom plate, it is described
Adjustably installation is fixedly mounted on the load peace there are two mounting base, the load maintainer is loaded on the horizontal concrete chute of bottom plate
It fills on seat；Drive installation seat, the drive are adjustably installed in longitudinal chute between two load mounting bases
Motivation structure is fixedly mounted in the drive installation seat.
Using the above structure, load mounting base and drive installation seat can be moved along sliding slot, so as to different rulers
Very little drive axle carries out whole driving error experiment, and the scope of application is wider.
Two output shaft ends of drive axle can be tested simultaneously in conclusion the utility model has, driven
The whole driving error of dynamic bridge, measurement result precision is high, and carries out lossless installation to drive axle so that experiment drive axle can
The advantages that reusing, advantageously reducing experimentation cost.
Description of the drawings
Fig. 1 is the overlooking structure diagram of the utility model embodiment.
Fig. 2 is the driving error curve graph of the input shaft end and left output shaft end of drive axle.
Fig. 3 is the driving error curve graph of the input shaft end and right output shaft end of drive axle.
Fig. 4 is the driving error curve graph of the input shaft end and output shaft end of drive axle.
Specific implementation mode
With reference to embodiment, the utility model is described in further detail.
When specific implementation：As shown in Figure 1, a kind of drive axle entirety driving error test measurement device, and it is connected to institute
State the driving mechanism 2 on the input shaft end of drive axle 1；It is characterized in that, being connected on two output shaft ends of the drive axle 1
The load maintainer 3 being symmetrically set；The driving mechanism 2 includes the driving motor 21 for being sequentially connected setting, driving speed reducer
22, end rotary speed torque sensor 23 and driving end angular displacement sensor 24 are driven；Each load maintainer 3 includes load electricity
Machine 31, Lug-Down machine 32, loading end rotary speed torque sensor 33 and loading end angular displacement sensor 34；Further include for believing
Number acquisition and carry out Loading Control TT＆C system, the driving motor 21, driving end rotary speed torque sensor 23, driving end angle
Displacement sensor 24, loading motor 31, loading end rotary speed torque sensor 33 and loading end angular displacement sensor 34 are all connected with
To the TT＆C system.
Using the above structure, by the way that a load maintainer is respectively arranged on two output shaft ends of drive axle, while to driving
Two output shaft ends of dynamic bridge are loaded, so that it may with transmission situation of the analog-driven bridge under real vehicle operating mode.Meanwhile utilizing two
Loading end rotary speed torque sensor and loading end angular displacement sensor on a load maintainer respectively carry out two output shaft ends
Test, so that it may be measured with the driving error to entire drive axle.Compared to traditional drive axle driving error measuring device,
One output shaft end of drive axle is welded, one end of drive axle can only be tested, drive axle can not be reacted on the whole
True driving error, measurement accuracy is poor, and irreversible damage can be also caused to drive axle, influence drive axle repetition profit
With.To sum up, this test measurement device can simultaneously test two output shaft ends of drive axle, can obtain drive axle
Whole driving error, measurement result precision is high, and carries out lossless installation to drive axle so that experiment drive axle can repeat
It utilizes, advantageously reduces experimentation cost.
When implementation, the driving mechanism 2 further includes being connected to the driving speed reducer 22 and driving end rotating speed torque sensing
Driving end friction-loaded device 25 between device 23；The load maintainer 3 further includes being connected to the Lug-Down machine 32 and adding
Carry the loading end friction-loaded device 35 between end rotary speed torque sensor 33.
Using the above structure, driving end friction-loaded device and loading end friction-loaded device is respectively set, so that it may to divide
Transmission of the other analog-driven bridge under real vehicle driving cycle；For example, in the operating mode of simulated engine driving vehicle traveling, it can be with
Lug-Down machine and loading end friction-loaded device are disconnected, loading end friction-loaded device is set to specified load, is passed through
Driving motor drives the input shaft end of drive axle, so that it may be tested with carrying out the driving error under specified load.It is simulating
Driving speed reducer and driving end friction-loaded device when overrunning condition, can be disconnected, driving end rubbed by vehicle descending
Wipe loading device and be set to specified load, reverse drive is carried out to the output shaft end of drive axle by loading motor, so that it may with into
Driving error experiment under row overrunning condition.
When implementation, driving end friction-loaded device 25 and loading end friction-loaded device 35 are magnetic powder brake.
When implementation, the driving speed reducer 22 and the Lug-Down machine 32 are the imported speed reducer in hole；The driving
The output shaft of motor 21 is inserted into the input hole of the driving speed reducer 22, and is installed as by bolt and the driving speed reducer 22
One；The output shaft of the loading motor 31 is inserted into the input hole of the Lug-Down machine 32, and passes through bolt and the load
The installation of speed reducer 32 is integrated.
Using the above structure, used shaft coupling when axis connection can both have been reduced so that measuring device is simpler, together
When, the quantity of transmission parts is reduced, is improved between driving motor and driving speed reducer, loading motor and Lug-Down machine
Connective stability and transmission efficiency reduce the loss of transmission, are conducive to improve the precision measured.
When implementation, the input shaft end of the driving end rotary speed torque sensor 23 and the drive axle 1, which is additionally provided with, to be passed through
The drive connection axis 26 of bearing seat supports, described one end for being drivingly connected axis 26 and 23 phase of driving end rotary speed torque sensor
Even, the other end is connected by diaphragm coupling 27 with the input shaft end of the drive axle 1；Driving end angular displacement sensor 24
On the flange of the output shaft end of the drive axle 1；The loading end rotary speed torque sensor 33 and the load bridge 1
Output shaft end is additionally provided with the load connecting shaft 36 by bearing seat supports, one end of the load connecting shaft 36 and the load
Rotary speed torque sensor 33 is held to be connected, the other end is connected by diaphragm coupling 37 with the output shaft end of the load bridge 1；It is described
Loading end angular displacement sensor 34 is mounted on the flange of the output shaft end of the load bridge 1.
Further include bottom plate 5 when implementation, there are multiple transversely sliding slots with longitudinally staggered setting on the bottom plate 5, it is described
Adjustably installation is fixedly mounted on described add there are two mounting base 6, the load maintainer 3 is loaded on the horizontal concrete chute of bottom plate 5
It carries in mounting base 6；Drive installation seat 7 is adjustably installed in longitudinal chute between two load mounting bases 6,
The driving mechanism 2 is fixedly mounted in the drive installation seat 7.
Using the above structure, load mounting base and drive installation seat can be moved along sliding slot, so as to different rulers
Very little drive axle carries out whole driving error experiment, and the scope of application is wider.
Driving end rotary speed torque sensor and loading end rotary speed torque sensor transmit collected rotating speed torque signal
To TT＆C system, TT＆C system can form driving motor and loading motor complete closed-loop control and adjust so that experiment
Result it is more accurate.
As shown in Figures 2 and 3, according to the input shaft end of the calculated drive axle of unilateral load mode and left output shaft end
The input shaft end of driving error curve and drive axle and the driving error curve of right output shaft end are completely inconsistent, and two curves become
Change trend is apparent on the contrary, and according to gear drive rule it is found that gear drive error should be in cyclically-varying, so both sides
Should not have the tendency that increase or reduction with the increase of the test number of turns.Fig. 4 is by left output shaft end and right output shaft end
The signal driving error curve graph that is weighted that treated, it can be seen that plots changes are in cyclically-varying, Er Qiebian
Change steady, verified without increasing or smaller and smaller trend, the drive obtained using the test measurement device of the present invention
Dynamic bridge entirety driving error data are accurate and reliable, to instructing Drive-Axle Gears design optimization to be of great significance.
The above is only the preferred embodiment of the utility model only, is not limitation with the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (6)
1. a kind of drive axle entirety driving error test measurement device, including drive axle to be tested（1）, and be connected to described
Drive axle（1）Input shaft end on driving mechanism（2）；It is characterized in that, the drive axle（1）Two output shaft ends on connect
It is connected to the load maintainer being symmetrically set（3）；The driving mechanism（2）Driving motor including being sequentially connected setting（21）、
Drive speed reducer（22）, driving end rotary speed torque sensor（23）And driving end angular displacement sensor（24）；Add described in each
Mounted mechanism（3）Including loading motor（31）, Lug-Down machine（32）, loading end rotary speed torque sensor（33）And loading end angle
Displacement sensor（34）；Further include the TT＆C system for signal acquisition and progress Loading Control, the driving motor（21）, drive
Moved end rotary speed torque sensor（23）, driving end angular displacement sensor（24）, loading motor（31）, loading end rotating speed torque sensing
Device（33）And loading end angular displacement sensor（34）It is connected to the TT＆C system.
2. drive axle entirety driving error test measurement device as described in claim 1, which is characterized in that the driving mechanism
（2）Further include being connected to the driving speed reducer（22）With driving end rotary speed torque sensor（23）Between driving end friction plus
It carries and sets（25）；The load maintainer（3）Further include being connected to the Lug-Down machine（32）With loading end rotating speed torque sensing
Device（33）Between loading end friction-loaded device（35）.
3. drive axle entirety driving error test measurement device as claimed in claim 2, which is characterized in that rub at the driving end
Wipe loading device（25）With loading end friction-loaded device（35）It is magnetic powder brake.
4. drive axle entirety driving error test measurement device as described in claim 1, which is characterized in that the driving is slowed down
Machine（22）With the Lug-Down machine（32）It is the imported speed reducer in hole；The driving motor（21）Output shaft be inserted into described in
Drive speed reducer（22）Input hole, and pass through bolt and the driving speed reducer（22）Installation is integrated；The loading motor
（31）Output shaft be inserted into the Lug-Down machine（32）Input hole, and pass through bolt and the Lug-Down machine（32）Installation
It is integrated.
5. drive axle entirety driving error test measurement device as described in claim 1, which is characterized in that the driving end turns
Fast torque sensor（23）With the drive axle（1）Input shaft end be additionally provided with the drive connection axis by bearing seat supports
（26）, the drive connection axis（26）One end and driving end rotary speed torque sensor（23）It is connected, the other end passes through the
One diaphragm coupling（27）With the drive axle（1）Input shaft end be connected；Driving end angular displacement sensor（24）Installation
In the drive axle（1）Input shaft end flange on；The loading end rotary speed torque sensor（33）With the drive axle（1）
Output shaft end be additionally provided with the load connecting shaft by bearing seat supports（36）, the load connecting shaft（36）One end and institute
State loading end rotary speed torque sensor（33）It is connected, the other end passes through secondary diaphragm shaft coupling（37）With the drive axle（1）'s
Output shaft end is connected；The loading end angular displacement sensor（34）Mounted on the drive axle（1）Output shaft end flange on.
6. drive axle entirety driving error test measurement device as described in claim 1, which is characterized in that further include bottom plate
（5）, the bottom plate（5）It is upper that there is multiple transversely sliding slots with longitudinally staggered setting, the bottom plate（5）Horizontal concrete chute on can
Adjustably there are two load mounting base for installation（6）, the load maintainer（3）It is fixedly mounted on the load mounting base（6）On；Position
In two load mounting bases（6）Between longitudinal chute on drive installation seat is adjustably installed（7）, the driving machine
Structure（2）It is fixedly mounted on the drive installation seat（7）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820354974.3U CN207976281U (en) | 2018-03-15 | 2018-03-15 | A kind of drive axle entirety driving error test measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820354974.3U CN207976281U (en) | 2018-03-15 | 2018-03-15 | A kind of drive axle entirety driving error test measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207976281U true CN207976281U (en) | 2018-10-16 |
Family
ID=63765508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820354974.3U Expired - Fee Related CN207976281U (en) | 2018-03-15 | 2018-03-15 | A kind of drive axle entirety driving error test measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207976281U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341627A (en) * | 2018-10-23 | 2019-02-15 | 重庆理工大学 | A kind of drive gap measuring device |
| CN110907199A (en) * | 2019-12-31 | 2020-03-24 | 一汽解放汽车有限公司 | Impact durability test bed and bench test method for differential lock between wheels of drive axle |
| CN112129542A (en) * | 2020-08-31 | 2020-12-25 | 中汽研汽车检验中心（天津）有限公司 | Test equipment and test method for automatic switching of transmission efficiency of drive axle |
-
2018
- 2018-03-15 CN CN201820354974.3U patent/CN207976281U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341627A (en) * | 2018-10-23 | 2019-02-15 | 重庆理工大学 | A kind of drive gap measuring device |
| CN110907199A (en) * | 2019-12-31 | 2020-03-24 | 一汽解放汽车有限公司 | Impact durability test bed and bench test method for differential lock between wheels of drive axle |
| CN110907199B (en) * | 2019-12-31 | 2022-02-01 | 一汽解放汽车有限公司 | Impact durability test bed and bench test method for differential lock between wheels of drive axle |
| CN112129542A (en) * | 2020-08-31 | 2020-12-25 | 中汽研汽车检验中心（天津）有限公司 | Test equipment and test method for automatic switching of transmission efficiency of drive axle |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181016 Termination date: 20190315 |