CN209432454U - A kind of servo-actuated clamping mechanism of the output shaft of electric boosting steering system - Google Patents
A kind of servo-actuated clamping mechanism of the output shaft of electric boosting steering system Download PDFInfo
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- CN209432454U CN209432454U CN201920226520.2U CN201920226520U CN209432454U CN 209432454 U CN209432454 U CN 209432454U CN 201920226520 U CN201920226520 U CN 201920226520U CN 209432454 U CN209432454 U CN 209432454U
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- shaft
- servo
- output shaft
- steering system
- driving
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Abstract
The output shaft that the utility model discloses a kind of electric boosting steering system is servo-actuated clamping mechanism, for carrying out locking or torque release to output shaft, including pedestal, the supporting sleeve being fixedly installed on pedestal and axial limiting, the shaft in supporting sleeve is set, the top of shaft is equipped with the exposed locking end for the mating that mutually locks with output shaft, the bottom of shaft is equipped with exposed free end, and the bottom of pedestal is equipped with the position-limiting unit for carrying out locking to free end or loosening.The utility model is mutually locked by shaft with output shaft, and position-limiting unit acts in shaft, and unnecessarily Clamping damage will not be caused to output shaft, protects electric boosting steering system.Position-limiting unit is ingenious in design, and limits effectively reliable.It is designed using specifically locking end design with driving structure, meets the demand for automating clamping operation, and be coupled reliable and stable.Whole design is ingenious, application easy to spread.
Description
Technical field
The utility model relates to a kind of output shafts of electric boosting steering system to be servo-actuated clamping mechanism, belong in calibration facility
The technical field of the cooperation tooling of electric boosting steering system output shaft.
Background technique
Electric boosting steering system (Electric Power Steering, abridge EPS) is that one kind is directly mentioned by motor
For the power steering system of auxiliary torque, with traditional hydraulic power-assist steering system HPS(Hydraulic Power
Steering it) compares, EPS system has lot of advantages.EPS is mainly by torque sensor, vehicle speed sensor, motor, deceleration
The composition such as mechanism and electronic control unit (ECU).
The job stability and handling characteristic of electric boosting steering system are concerning the safety and vehicle performance to driving, therefore
It needs effectively to detect the properties of diverter and the operations such as torque sensor calibrating.
When carrying out calibration operation, the output shaft of EPS carries out servo-actuated clamping, i.e., is realized by a locking part to defeated
The locking of shaft, and locking part is generally the interference fixture for having folding displacement, since the shaft end diameter of output shaft is smaller, maintains
Damage can be generated to output shaft when clamping operation relatively stablely, chucking power can not enough stablize locking again.
Utility model content
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, for Conventional limit mechanism directly against output
The problem of axis be easy to cause output shaft to damage proposes that a kind of output shaft of electric boosting steering system is servo-actuated clamping mechanism.
In order to achieve the above object, the technology employed by the present utility model is
A kind of servo-actuated clamping mechanism of the output shaft of electric boosting steering system, for releasing output shaft progress locking or torque
It puts,
It is arranged including pedestal, the supporting sleeve being fixedly installed on the pedestal and axial limiting in the supporting sleeve
Interior shaft, the top of the shaft are equipped with the exposed locking end for the mating that mutually locks with the output shaft, the shaft
Bottom be equipped with exposed free end,
The bottom of the pedestal is equipped with the position-limiting unit for carrying out locking to the free end or loosening.
Preferably, the position-limiting unit includes the servo-actuated limit ring body being fixed on the free end and for limiting
Make the position-limit mechanism that the servo-actuated limit ring body rotates in a circumferential direction.
Preferably, the servo-actuated limit ring body is equipped at least one diameter and concaves locked groove, and the position-limit mechanism is equipped with
With the diameter concave locked groove correspond be equipped with have radial expansion displacement flexible locking part.
Preferably, it sets in the servo-actuated limit ring body and concaves locked groove, also, two radial directions there are two symmetrically arranged diameter
The flexible locking part of indent locked groove is connected.
Preferably, any flexible locking part includes the tapered end end and be used for that locked groove matches that concave with the diameter
The pivot drive seat of tapered end end radial displacement is driven, the actuating arm of the pivot drive seat of two flexible locking parts is separately connected
The both ends of one linkage air cylinder.
Preferably, by a shaft coupling Joint between the servo-actuated limit ring body and the shaft.
Preferably, the locking end includes being used for the lock core of the shaft Joint and being socketed on the lock core
The driving body of lock core folding driving.
Preferably, the lock core is equipped with hollow slideway, is equipped in the hollow slideway and drives body to be connected with described
There is lifting to drive for sliding block, the interior driving shaft being equipped with for driving the sliding block lift work of the shaft, the driving shaft
Dynamic source.
Preferably, the lifting driving source includes the support body for being suspended on the base bottom, and the support body is equipped with
Cylinder is driven, the telescopic end of the driving cylinder is interferenceed with the bottom end of the driving shaft.
Preferably, lifting Flexible Reset mechanism is equipped between the driving shaft and the shaft.
The beneficial effects of the utility model are mainly reflected in:
1. mutually locked by shaft with output shaft, and position-limiting unit acts in shaft, will not cause to output shaft need not
Strategic point Clamping damage, protects electric boosting steering system.
2. position-limiting unit is ingenious in design, and limits effectively reliable.
3. using specifically locking end design to design with driving structure, the demand for automating clamping operation is met, and
It is coupled reliable and stable.
4. whole design is ingenious, application easy to spread.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of output shaft of electric boosting steering system of the utility model is servo-actuated clamping mechanism.
Fig. 2 is the sectional structure signal that a kind of output shaft of electric boosting steering system of the utility model is servo-actuated clamping mechanism
Figure.
Fig. 3 is the cross-sectional view at locking end in one preferred embodiment of the utility model.
Specific embodiment
The output shaft that the utility model provides a kind of electric boosting steering system is servo-actuated clamping mechanism.Below in conjunction with attached drawing pair
Technical solutions of the utility model are described in detail, so that it is more readily understood and grasps.
A kind of servo-actuated clamping mechanism of the output shaft of electric boosting steering system, for releasing output shaft progress locking or torque
It puts.
As depicted in figs. 1 and 2, it is arranged including pedestal 1, the supporting sleeve being fixedly installed on pedestal 12 and axial limiting
Shaft 3 in supporting sleeve 2, the top of shaft 3 are equipped with the exposed locking end 4 for the mating that mutually locks with output shaft, turn
The bottom of axis 3 is equipped with the free end 5 exposed across the pedestal 1.
The bottom of pedestal 1 is equipped with the position-limiting unit 6 for carrying out locking to free end 5 or loosening.
It specifically describes, electric boosting steering system needs to be turned round by external drive source when carrying out calibration operation
Square input is generally comprised freely verify and be verified with torque, freely verifies and need the output of EPS system in release conditions,
And torque verifying needs to carry out locking to the output end of EPS system.
In this case, by the effect of position-limiting unit 6, it is able to achieve the release to shaft 3 or locking, position is free end
On 5, it is designed in this way convenient for locking or release operation.
As depicted in figs. 1 and 2, position-limiting unit 6 includes the servo-actuated limit ring body 7 being fixed on free end and is used for
The position-limit mechanism 8 that the servo-actuated limit ring body 7 of limitation rotates in a circumferential direction.
It specifically describes, since the clamping stability of shaft 3 is slightly lower, it is clamping to meet to use servo-actuated limit ring body 7
The demand of stability.
In a specific embodiment, as shown in Figure 1, servo-actuated limit ring body 7 is equipped at least one diameter concaves locked groove
71, position-limit mechanism 8 is equipped with the flexible locking part for having radial expansion displacement for the one-to-one correspondence outfit of locked groove 71 that concaves with diameter,
By radial expansion displacement realize with diameter concave locked groove 71 interference and detached job.
In a preferred embodiment, it is servo-actuated to set in limit ring body 7 and concave locked groove 71 there are two symmetrically arranged diameter, and
And the concave flexible locking part of locked groove 71 of two diameters is connected.
More refinement ground, any flexible locking part include the tapered end end 81 that locked groove 71 matches and for driving of concaving with diameter
The pivot drive seat 82 of dynamic tapered end end radial displacement, the actuating arm 83 of the pivot drive seat 82 of two flexible locking parts are separately connected
The both ends of one linkage air cylinder 84.
The linkage driving to two flexible locking parts is able to achieve by linkage air cylinder 84.
In a specific embodiment, it is servo-actuated between limit ring body 7 and shaft 3 by 71 Joint of shaft coupling.The connection
3 the two of the servo-actuated limit ring body 7 of the satisfaction of axis device 71 and shaft docks stability.
In a preferred embodiment, locking end 4 is optimized, as shown in figure 3, including and 3 Joint of shaft
Lock core 41 and the driving body 42 for the folding driving of lock core 41 being socketed on lock core 41.
It is able to achieve by the lifting of the driving body 42 and clamping operation is carried out to output shaft.
More refinement ground, lock core 41 are equipped with hollow slideway, are equipped in hollow slideway and sliding block that driving body is connected, can be with
Meet displacement linkage by the design of link arm and sliding slot, the driving shaft 9 for driving sliding block lift work be equipped in shaft 3,
Drive shaft 9 that there is lifting driving source 10.
By driving shaft 9 to be able to achieve the lifting driving to driving body 42, to meet the folding operation to lock core 41.
More specifically, lifting driving source 10 includes the support body for being suspended on 1 bottom of pedestal, support body is equipped with driving gas
Cylinder drives the telescopic end of cylinder to interference with the bottom end of shaft 9 is driven.
In a specific embodiment, it drives and is equipped with lifting Flexible Reset mechanism 11 between shaft 9 and shaft 3, that is, drive
Shaft 9 is in phase-separated state with sliding block under no external force driving effect.
By above description it can be found that a kind of output shaft of electric boosting steering system of the utility model is servo-actuated clamping machine
Structure is mutually locked by shaft with output shaft, and position-limiting unit acts in shaft, will not cause unnecessarily to clamp to output shaft
Damage, protects electric boosting steering system.Position-limiting unit is ingenious in design, and limits effectively reliable.Using specifically locking
End design is designed with driving structure, meets the demand for automating clamping operation, and be coupled reliable and stable.Whole design is ingenious,
Application easy to spread.
The technical solution of the utility model is fully described above, it should be noted that the tool of the utility model
Body embodiment is simultaneously not limited by the description set out above, and those skilled in the art exist according to the Spirit Essence of the utility model
All technical solutions that structure, method or function etc. are formed using equivalents or equivalent transformation, all fall within this reality
Within novel protection scope.
Claims (10)
1. a kind of output shaft of electric boosting steering system is servo-actuated clamping mechanism, for releasing output shaft progress locking or torque
It puts, it is characterised in that:
It is arranged in the supporting sleeve including pedestal, the supporting sleeve being fixedly installed on the pedestal and axial limiting
Shaft, the top of the shaft are equipped with the exposed locking end for the mating that mutually locks with the output shaft, the bottom of the shaft
Portion is equipped with exposed free end,
The bottom of the pedestal is equipped with the position-limiting unit for carrying out locking to the free end or loosening.
2. a kind of output shaft of electric boosting steering system is servo-actuated clamping mechanism according to claim 1, it is characterised in that:
The position-limiting unit includes the servo-actuated limit ring body being fixed on the free end and for limiting the servo-actuated limit
The position-limit mechanism that position ring body rotates in a circumferential direction.
3. a kind of output shaft of electric boosting steering system is servo-actuated clamping mechanism according to claim 2, it is characterised in that:
The servo-actuated limit ring body is equipped at least one diameter and concaves locked groove, and the position-limit mechanism is equipped with inside with the diameter
Recessed locked groove corresponds the flexible locking part for having radial expansion displacement being equipped with.
4. a kind of output shaft of electric boosting steering system is servo-actuated clamping mechanism according to claim 3, it is characterised in that:
It sets in the servo-actuated limit ring body and concaves locked groove there are two symmetrically arranged diameter, also, two diameters concave locked groove
Flexible locking part is connected.
5. a kind of output shaft of electric boosting steering system is servo-actuated clamping mechanism according to claim 4, it is characterised in that:
Any flexible locking part includes the tapered end end that locked groove matches and for driving tapered end end diameter of concaving with the diameter
To the pivot drive seat of displacement, the actuating arm of the pivot drive seat of two flexible locking parts is separately connected a linkage air cylinder
Both ends.
6. a kind of output shaft of electric boosting steering system is servo-actuated clamping mechanism according to claim 2, it is characterised in that:
By a shaft coupling Joint between the servo-actuated limit ring body and the shaft.
7. a kind of output shaft of electric boosting steering system is servo-actuated clamping mechanism according to claim 1, it is characterised in that:
The locking end includes driving with the lock core of the shaft Joint and the lock core folding that is used for being socketed on the lock core
Driving body.
8. a kind of output shaft of electric boosting steering system is servo-actuated clamping mechanism according to claim 7, it is characterised in that:
The lock core is equipped with hollow slideway, is equipped with the sliding block being connected with the driving body in the hollow slideway, and described turn
The driving shaft for driving the sliding block lift work is equipped in axis, the driving shaft has lifting driving source.
9. a kind of output shaft of electric boosting steering system is servo-actuated clamping mechanism according to claim 8, it is characterised in that: institute
Stating lifting driving source includes the support body for being suspended on the base bottom, and the support body is equipped with driving cylinder, the driving
The telescopic end of cylinder is interferenceed with the bottom end of the driving shaft.
10. a kind of output shaft of electric boosting steering system is servo-actuated clamping mechanism according to claim 9, it is characterised in that:
Lifting Flexible Reset mechanism is equipped between the driving shaft and the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920226520.2U CN209432454U (en) | 2019-02-24 | 2019-02-24 | A kind of servo-actuated clamping mechanism of the output shaft of electric boosting steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920226520.2U CN209432454U (en) | 2019-02-24 | 2019-02-24 | A kind of servo-actuated clamping mechanism of the output shaft of electric boosting steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209432454U true CN209432454U (en) | 2019-09-24 |
Family
ID=67978106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920226520.2U Expired - Fee Related CN209432454U (en) | 2019-02-24 | 2019-02-24 | A kind of servo-actuated clamping mechanism of the output shaft of electric boosting steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209432454U (en) |
-
2019
- 2019-02-24 CN CN201920226520.2U patent/CN209432454U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |