CN209043502U - A kind of electric boosting steering system torque sensor assembly midpoint dynamic regulation device - Google Patents
A kind of electric boosting steering system torque sensor assembly midpoint dynamic regulation device Download PDFInfo
- Publication number
- CN209043502U CN209043502U CN201821983254.XU CN201821983254U CN209043502U CN 209043502 U CN209043502 U CN 209043502U CN 201821983254 U CN201821983254 U CN 201821983254U CN 209043502 U CN209043502 U CN 209043502U
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- torque sensor
- sensor assembly
- shaft
- steering system
- regulation device
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Abstract
The utility model discloses a kind of electric boosting steering system torque sensor assembly midpoint dynamic regulation device, including torque sensor assembly, shell is installed outside torque sensor assembly, it further include horizontal checkout platform, testboard is equipped with through-hole, through-hole is equipped with the mounting base being connected with testboard, loading mechanism corresponding with through-hole is equipped with below testboard, loading mechanism includes the bracket being installed in below testboard, bracket is connected with coaxial rotating electric machine in turn from bottom to up, first shaft coupling, torque sensor, second shaft coupling and spline housing, spline housing is protruded into mounting base and is adapted with the worm gear shaft for the torque sensor assembly being placed in mounting base vertically；Shell is equipped with location hole corresponding with sliding sleeve, and location hole is equipped with displacement sensor, and the shaft outer rim of displacement sensor is installed with universal driving shaft, and the end of universal driving shaft is adapted with the groove ring of sliding sleeve；Control module is electrically connected with displacement sensor, rotating electric machine, torque sensor, touch screen respectively.
Description
Technical field
The utility model relates to automobile assembling production line detection technique field, specifically a kind of electric boosting steering system is turned round
Square sensor unit midpoint dynamic regulation device.
Background technique
Torque sensor assembly is one of the core component of motorcar electric force aid system, to torque sensor on assembly line
The quality that assembly midpoint is adjusted will have a direct impact on the quality of whole system in use.
Fig. 1 is to be detected torque sensor assembly structure schematic diagram, and Fig. 2 is tested torque sensor assembly cross-sectional view.It turns round
Square sensor unit 100 is by coaxial steering lower axle 101, worm gear shaft 102,105 structure of torsion bar 103, sliding sleeve 104 and reset spring
At, it turns to lower axle 101 and worm gear shaft 102 and is linked together by torsion bar 103 and internal position-limit mechanism, before drilling, torsion bar 103
One end turns to the centre bore of lower axle 101, the centre bore of torsion bar 103 other end and worm gear shaft 102 by cold-extruded spline force fit
It is slidably matched, reset spring 105 and sliding sleeve 104 is cased on the spiral slot rolling 106 in 102 outside of worm gear shaft, 104 outside of sliding sleeve is also set
Fluted ring 1041 is equipped with ball in spiral slot rolling 106, when worm gear shaft 102 and when turning to lower axle 101 and producing relative rotation,
Sliding sleeve 104 moves generation axial displacement along spiral slot rolling 106, and the effect of reset spring 105 is to eliminate 104 gap of sliding sleeve.
Need to measure before punching sliding sleeve 104 axial gap and worm gear shaft 102 and turn to lower axle 101 it is coaxial
Degree.It after measuring qualified, drills on worm gear shaft 102 and torsion bar 103, the interference by pivot pin 107 and between drilling is matched
It closes, worm gear shaft 102 and torsion bar 103 is linked up.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of torsions of electric boosting steering system
Square sensor unit midpoint dynamic regulation device can be completed to carry out midpoint dynamic regulation and test to torque sensor assembly.
The utility model preferably can adjust and check the static and dynamic of electric boosting steering system torque sensor assembly
Step response, for the assembly of product and using perfect detection, adjustment method is provided, it is efficient, convenient to have the characteristics that.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of electric boosting steering system torque sensor assembly midpoint dynamic regulation device, including torque sensor are total
At the torque sensor assembly is made of coaxial steering lower axle, worm gear shaft, torsion bar, sliding sleeve and reset spring, the torque
Shell is installed outside sensor unit, further includes horizontal checkout platform, the testboard is equipped with through-hole, and the through-hole is equipped with and survey
The connected mounting base of test stand, the testboard lower section are equipped with loading mechanism corresponding with the through-hole, and the loading mechanism includes
The bracket being installed in below testboard, the bracket are connected with coaxial rotating electric machine, first shaft coupling, torsion in turn from bottom to up
Square sensor, second shaft coupling and spline housing, the spline housing protrude into mounting base and with the torsion that is placed in mounting base vertically
The worm gear shaft of square sensor unit is adapted；The shell is equipped with location hole corresponding with sliding sleeve, and the location hole is equipped with
Displacement sensor, the shaft outer rim of institute's displacement sensors are installed with universal driving shaft, the end of the universal driving shaft and the groove of sliding sleeve
Ring is adapted；Control module is electrically connected with displacement sensor, rotating electric machine, torque sensor, touch screen respectively.
Above-mentioned electric boosting steering system torque sensor assembly midpoint dynamic regulation device, wherein the displacement passes
The shaft axis of sensor and the axis of universal driving shaft are parallel.
Above-mentioned electric boosting steering system torque sensor assembly midpoint dynamic regulation device, wherein the spline housing
It is coaxial with worm gear shaft.
Above-mentioned electric boosting steering system torque sensor assembly midpoint dynamic regulation device, wherein described first
Axis device, second shaft coupling are yielding coupling.
Above-mentioned electric boosting steering system torque sensor assembly midpoint dynamic regulation device, wherein the displacement passes
Sensor is additionally provided with kidney-shaped screw hole.
Above-mentioned electric boosting steering system torque sensor assembly midpoint dynamic regulation device, wherein the control mould
Block is ZK2U-32MT-4AD.
The utility model has the beneficial effects that electric booster system torque sensing can be completed rapidly and accurately in the production line
The midpoint of device assembly adjusts and detection, and structure is simple, handling are convenient.
Dynamic tests the output characteristics of electric boosting steering system torque sensor assembly, can real time reaction displacement sensing
Difference between device output signal and benchmark mid-range signal can judge the good degree of torque sensor assembly.
Test signal is compensated with torque sensor output signal in dynamic testing process, worm gear shaft can be eliminated and turned
To the frictional force between lower axle, the time of day of tested torque sensor assembly is detected to complete and accurate.
The utility model is described in detail below in conjunction with the drawings and specific embodiments, but not as to the utility model
Restriction.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of torque sensor assembly；
Fig. 2 is the cross-sectional view of torque sensor assembly；
Fig. 3 is the structural schematic diagram of the utility model:
Fig. 4 is the structural schematic diagram of the utility model displacement sensor；
Fig. 5 is the mounting structure schematic diagram of the utility model displacement sensor.
Wherein, appended drawing reference:
1, shell；2, displacement sensor；21, shaft；22, universal driving shaft；23, kidney-shaped screw hole；3, testboard；4, mounting base；
5, bracket；6, rotating electric machine；7, first shaft coupling；8, torque sensor；9, second shaft coupling；
100, torque sensor assembly；101, lower axle is turned to；102, worm gear shaft；103, torsion bar；104, sliding sleeve；1041, recessed
Grooved ring；105, reset spring；106, spiral slot rolling；107, pivot pin.
Specific embodiment
The structural principle of the utility model and working principle are described in detail with reference to the accompanying drawing:
As shown in Figs. 1-5, a kind of electric boosting steering system torque sensor assembly midpoint dynamic regulation device, including turn round
Square sensor unit 100, torque sensor assembly 100 is by coaxial steering lower axle 101, worm gear shaft 102, torsion bar 103, sliding sleeve
104 and reset spring 105 constitute, sliding sleeve 104 is equipped with groove ring 1041, shell 1 is installed outside torque sensor assembly 100,
It further include horizontal checkout platform 3, testboard 3 is equipped with through-hole (being not drawn into figure), and through-hole is equipped with the mounting base being connected with testboard 3
4, loading mechanism corresponding with through-hole is equipped with below testboard 3, loading mechanism includes the bracket 5 for being installed in 3 lower section of testboard, branch
Frame 5 is connected with coaxial rotating electric machine 6, first shaft coupling 7, torque sensor 8, second shaft coupling 9 and flower in turn from bottom to up
Key set (is not drawn into) in figure, spline housing protrude into mounting base 4 and with the torque sensor assembly that is placed in mounting base 4 vertically
100 worm gear shaft 102 is adapted, and spline housing and worm gear shaft 102 are coaxial；Shell 1 is equipped with location hole corresponding with sliding sleeve 104
(being not drawn into figure), location hole are equipped with displacement sensor 2, and the displacement sensor 2 of the present embodiment is additionally provided with kidney-shaped screw hole 23, waist
Shape screw hole 23 facilitates the position between adjustment displacement sensor 2 and groove ring 1041, and 21 outer rim of shaft of displacement sensor 2 is fixed
There is universal driving shaft 22,21 axis of shaft of the displacement sensor 2 of the present embodiment is parallel with the axis of universal driving shaft 22, the end of universal driving shaft 22
Portion is adapted with the groove ring 1041 of sliding sleeve 104；Control module respectively with displacement sensor 2, rotating electric machine 6, torque sensor
8, touch screen is electrically connected.
First shaft coupling 7, second shaft coupling 9 in the present embodiment are yielding coupling, to reduce between connector
Error caused by not coaxial.
The preferred ZK2U-32MT-4AD of control module in the present embodiment.
The utility model can carry out midpoint adjusting to torque sensor assembly, and in a dynamic condition, to its performance into
Row test.
The course of work of the utility model is as follows: first putting the worm gear shaft 102 of torque sensor assembly 100 straight down
It sets in mounting base 4, worm gear shaft 102 is adapted with the spline housing extending into mounting base 4, and displacement sensor 2 can measure sliding sleeve
Displacement sensor 2, is first installed to the positioning hole of shell 1 by 104 axial displacement, and the universal driving shaft 22 of displacement sensor 2 is installed
Into the groove ring 1041 of sliding sleeve 104, and with two tools for bolts ' pretension, displacement sensor 2 can measure the axial displacement of sliding sleeve 104,
It is completed when midpoint is adjusted, and test with kidney-shaped screw hole 23 so there are certain adjusting remaining due to being set on displacement sensor 2
It, can fastening bolt after qualification.
In order to eliminate measurement error caused by the torque bounce of rotating electric machine 6, exported with torque sensor 8 to torque sensing
The output signal of device assembly 100 carries out difference mode signal compensation deals.The test result of the process will show in touch screen and test
Curve, and provide corresponding judgement result.
Midpoint is adjusted: control module is electrical with displacement sensor 2, torque sensor 8,6 touch screen of rotating electric machine respectively
Connection, touch screen can adjust displacement using adjusting clamp at this time with the angle parameter change curve of real-time display displacement sensor 2
The position of sensor 2 observes the angle change of displacement sensor 2 by touch screen, until the position of torque sensor assembly 100
Deviation meets technical requirements.
After midpoint regulates, the dynamic characteristic of torque sensor assembly 100 can be tested.
Dynamic is tested: the starting of rotating electric machine 6 drives worm gear shaft 102 to rotate, the output signal of displacement sensor 2 and its benchmark
Signal difference when midpoint is shown on the touchscreen, and is used to judge the quality grade of torque sensor assembly 100.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (6)
1. a kind of electric boosting steering system torque sensor assembly midpoint dynamic regulation device, including torque sensor assembly,
The torque sensor assembly is made of coaxial steering lower axle, worm gear shaft, torsion bar, sliding sleeve and reset spring, and the torque passes
Shell is installed, which is characterized in that further include horizontal checkout platform, the testboard is equipped with through-hole, the through-hole outside sensor assembly
It is equipped with the mounting base being connected with testboard, loading mechanism corresponding with the through-hole is equipped with below the testboard, it is described to add
Mounted mechanism includes the bracket being installed in below testboard, and the bracket is connected with coaxial rotating electric machine, in turn from bottom to up
One shaft coupling, torque sensor, second shaft coupling and spline housing, the spline housing protrude into mounting base and are placed on peace with vertical
The worm gear shaft of torque sensor assembly on dress seat is adapted；The shell is equipped with location hole corresponding with sliding sleeve, described fixed
Position hole is equipped with displacement sensor, and the shaft outer rim of institute's displacement sensors is installed with universal driving shaft, the end of the universal driving shaft with
The groove ring of sliding sleeve is adapted；Control module electrically connects with displacement sensor, rotating electric machine, torque sensor, touch screen respectively
It connects.
2. electric boosting steering system torque sensor assembly midpoint as described in claim 1 dynamic regulation device, feature
It is, the shaft axis of institute's displacement sensors is parallel with the axis of universal driving shaft.
3. electric boosting steering system torque sensor assembly midpoint as described in claim 1 dynamic regulation device, feature
It is, the spline housing and worm gear shaft are coaxial.
4. electric boosting steering system torque sensor assembly midpoint as described in claim 1 dynamic regulation device, feature
It is, the first shaft coupling, second shaft coupling are yielding coupling.
5. electric boosting steering system torque sensor assembly midpoint as described in claim 1 dynamic regulation device, feature
It is, institute's displacement sensors are additionally provided with kidney-shaped screw hole.
6. electric boosting steering system torque sensor assembly midpoint as described in claim 1 dynamic regulation device, feature
It is, the control module is ZK2U-32MT-4AD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821983254.XU CN209043502U (en) | 2018-11-28 | 2018-11-28 | A kind of electric boosting steering system torque sensor assembly midpoint dynamic regulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821983254.XU CN209043502U (en) | 2018-11-28 | 2018-11-28 | A kind of electric boosting steering system torque sensor assembly midpoint dynamic regulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209043502U true CN209043502U (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821983254.XU Active CN209043502U (en) | 2018-11-28 | 2018-11-28 | A kind of electric boosting steering system torque sensor assembly midpoint dynamic regulation device |
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| CN (1) | CN209043502U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115112485A (en) * | 2022-06-22 | 2022-09-27 | 中国水利水电科学研究院 | Soil strength, deformation characteristic and seepage characteristic integrated detection device |
-
2018
- 2018-11-28 CN CN201821983254.XU patent/CN209043502U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115112485A (en) * | 2022-06-22 | 2022-09-27 | 中国水利水电科学研究院 | Soil strength, deformation characteristic and seepage characteristic integrated detection device |
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