CN205869854U - Trajectory finishing device of auto electric power assisted steering utensils steering spindle - Google Patents
Trajectory finishing device of auto electric power assisted steering utensils steering spindle Download PDFInfo
- Publication number
- CN205869854U CN205869854U CN201620849584.4U CN201620849584U CN205869854U CN 205869854 U CN205869854 U CN 205869854U CN 201620849584 U CN201620849584 U CN 201620849584U CN 205869854 U CN205869854 U CN 205869854U
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- China
- Prior art keywords
- trajectory
- gripper shoe
- steering spindle
- backup pad
- annular
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a trajectory finishing device of auto electric power assisted steering utensils steering spindle, contain one go up the backup pad, in one backup pad, once a backup pad and a base, the bottom suspension fagging on be equipped with round platform, lower round platform in be equipped with the shaping passageway and an annular design cavity of a vertical setting, the design cavity in be equipped with stock mould group, the design module contain a ring in annular and an annular spacing ring piece, the inboard of spacing ring piece be equipped with a ball groove array that becomes by sunken ball bank of cells, the ball inslot be equipped with respectively one the oppression steel ball. Through changing not unidimensional design module and oppression steel ball, the utility model discloses a not unidimensional steering spindle trajectory can be processed to trajectory finishing device, and application scope is wide, has effectively reduced the processing cost. The utility model discloses a prior art is used multipurposely to trajectory finishing device, breaks through tradition processing limitation, and effective the cost is reduced has improved the production efficiency of steering spindle by a wide margin.
Description
Technical field
This utility model relates to a kind of auto steerer, more precisely, be that a kind of vehicle electric power-assisted steering device is used
The trajectory calibration devices of steering spindle.
Background technology
Vehicle electric power-assisted steering device is usually mounted with a steering spindle, as is illustrated by figs. 11 and 12, outside steering spindle
Wall is provided with the helical orbit 121 that multiple spiral is arranged, and helical orbit 121 coordinates with turning to steel ball.Turn to reduce
Steel ball frictional force in helical orbit 121, needs helical orbit 121 is carried out retrofit.Due to conventional machining process
Inherent limitation, Milling Machining does not often reach processing request, and mill is processed and inefficiency, and import equipment is with high costs and efficiency
General, it is hard to meet batch production requirements.
Utility model content
This utility model mainly solves the technical problem existing for prior art, thus provides a kind of motorcar electric power-assisted
The trajectory calibration devices of steering gear steering spindle.
Above-mentioned technical problem of the present utility model is mainly addressed by following technical proposals:
The trajectory calibration devices of a kind of vehicle electric power-assisted steering device steering spindle, it is characterised in that described automobile electricity
The trajectory calibration devices of dynamic power-assisted steering device steering spindle comprises a upper backup pad, gripper shoe, a lower supporting plate and an end in one
Seat, pair of support rods extends through described upper backup pad, middle gripper shoe and lower supporting plate, and a pair connecting shaft extends through described
Middle gripper shoe and lower supporting plate, described upper backup pad is provided with a hydraulic jack, described upper backup pad and middle gripper shoe
Between be provided with a upper grip, described upper grip is connected with described hydraulic jack, described upper grip pass through some upper folders
Screw is fixing with described middle gripper shoe to be connected, and the lower section of described middle gripper shoe is provided with a lower chuck, and described lower chuck leads to
Cross some lower folder screws to be connected with described the fixing of middle gripper shoe, in described lower chuck, be provided with one first thrust bearing and
Second thrust bearing, is provided with on one top between the first described thrust bearing and the second thrust bearing, described is upper top
Center is provided with a regulation passage, is provided with top plug and an adjusting screw rod, the described regulation spiral shell of an annular in described regulation passage
Bar runs through described top plug, and the head of described adjusting screw rod is provided with a back-moving spring, and described lower supporting plate is provided with
Round platform, is provided with the sizing cavity of a longitudinally disposed formed channel and an annular, described sizing cavity in described lower round platform
Inside being provided with a stock mould group, described sizing module comprises interior annulus and the limited aunular sheet of an annular of an annular, described limit
The inner side of position ring plate is provided with a ball groove array being made up of the ball groove caved in, and is respectively equipped with a compressing steel ball in described ball groove,
Be provided with the most top fixed plate between the bottom of described connecting shaft, described under the center of top fixed plate be provided with the most top
Seat, is provided with a pair time top bearing in described lower dead head, described under be provided with between top bearing the most top, described
Under top stretch in described formed channel.
As this utility model preferred embodiment, described middle gripper shoe is provided with a displacement transducer.
The invention also discloses a kind of trajectory essence utilizing vehicle electric power-assisted steering device steering spindle described above
The method that steering spindle is processed by engagement positions, comprises step:
1) bottom of steering spindle to be processed is placed in lower round platform so that compressing steel ball props up the bottom of steering spindle,
Meanwhile, utilize back-moving spring, by the upper top top propping up steering spindle, complete the preliminary fixing of steering spindle；
2) starting hydraulic jack, middle gripper shoe synchronizes to move downward along with upper grip and lower chuck, and compressing steel ball is along turning
(rolling, and extrusion spiral track, two outward flanges at the inwall of helical orbit form one to helical orbit on axle outer wall respectively
Trajectory impression；
3), after the distance that hydraulic jack descending is preset, the trajectory impression completion of processing on helical orbit, hydraulic jack
Bounce back to home position；
4), the steering spindle machined is taken off.
The trajectory calibration devices of vehicle electric power-assisted steering device steering spindle of the present utility model has the advantage that and passes through
Changing various sizes of sizing module and compressing steel ball, trajectory calibration devices of the present utility model can process various sizes of turn
To axle trajectory, applied widely, effectively reduce processing cost.Trajectory calibration devices of the present utility model comprehensively utilizes existing skill
Art, breaks through tradition processing limitation, effectively reduces cost, the production efficiency of steering spindle is greatly improved.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is that the stereochemical structure of the trajectory calibration devices of vehicle electric power-assisted steering device steering spindle of the present utility model is shown
It is intended to；
Fig. 2 is the cross-sectional structure signal of the trajectory calibration devices of the vehicle electric power-assisted steering device steering spindle in Fig. 1
Figure；
Fig. 3 is the further local knot of the trajectory calibration devices of the vehicle electric power-assisted steering device steering spindle in Fig. 2
Structure schematic diagram；
Fig. 4 is the further local knot of the trajectory calibration devices of the vehicle electric power-assisted steering device steering spindle in Fig. 3
Structure schematic diagram；
Fig. 5 is the stereochemical structure decomposing schematic representation of the sizing module in Fig. 4；
Fig. 6 is the perspective view of the lower round platform in Fig. 4；
Fig. 7 is the sectional view along line A-A of the lower round platform in Fig. 6；
Fig. 8 is the machining sketch chart of trajectory calibration devices of the present utility model；
Fig. 9 is the sectional view along line B-B of the trajectory calibration devices in Fig. 8；
Figure 10 is the details enlarged diagram in the C region of the trajectory calibration devices in Fig. 9；
Figure 11 is the perspective view of steering spindle of the prior art；
Figure 12 is the details enlarged diagram in the D region of the steering spindle in Figure 11；
Figure 13 is the perspective view of the steering spindle after utilizing trajectory calibration devices of the present utility model processing；
Figure 14 is the details enlarged diagram in the E region of the steering spindle in Figure 13.
Detailed description of the invention
Below in conjunction with the accompanying drawings preferred embodiment of the present utility model is described in detail, so that advantage of the present utility model
Can be easier to be readily appreciated by one skilled in the art with feature, thus protection domain of the present utility model is made apparent clearly
Define.
As shown in Figure 1 to Figure 3, the trajectory calibration devices 1 of this vehicle electric power-assisted steering device steering spindle comprises on one
Gripper shoe 3, one lower supporting plate 4 and a base 5 in fagging 2,.Pair of support rods 7 extends through this upper backup pad 2, middle support
Plate 3 and lower supporting plate 4, a pair connecting shaft 8 extends through gripper shoe 3 and lower supporting plate 4 in this.
This upper backup pad 2 is provided with a hydraulic jack 6, is provided with a upper grip 9 between this upper backup pad 2 and middle gripper shoe 3,
This upper grip 9 is connected with this hydraulic jack 6.This upper grip 9 is fixing even by gripper shoe in some upper folder screw 9A and this 3
Connect.
In this, the lower section of gripper shoe 3 is provided with a lower chuck 10, and this lower chuck 10 is by some lower folder screw 10C and this
The fixing connection of fagging 3, is provided with one first thrust bearing 10A and one second thrust bearing 10B in this lower chuck 10, this is first only
Being provided with on one top 11 between thrust bearing 10A and the second thrust bearing 10B, on this, the center of top 11 is provided with a regulation passage
11D, the top plug a 11A and adjusting screw rod 11B, this adjusting screw rod 11B that are provided with an annular in this regulation passage 11D run through this top plug
11A, the head of this adjusting screw rod 11B is provided with a back-moving spring 11C.
As shown in Figures 4 to 7, this lower supporting plate 4 is provided with round platform 13, is provided with one longitudinally disposed in this lower round platform 13
Formed channel 13A and the sizing cavity 13B of an annular, be provided with a stock mould group 18 in this sizing cavity 13B, this sizing module
The 18 interior annulus 18A and the limited aunular sheet 18B of an annular comprising an annular, the inner side of this limited aunular sheet 18B is provided with one by caving in
Ball groove 18C composition ball groove array, be respectively equipped with a compressing steel ball 19 in this ball groove 18C.
Being provided with the most top fixed plate 17 between the bottom of this connecting shaft 8, under this, the center of top fixed plate 17 is provided with one
Lower dead head 16, is provided with a pair time top bearing 15, is provided with the most top under this between top bearing 15 in this lower dead head 16
14, under this, top 14 stretch in this formed channel 13A.
Being illustrated the using method of this trajectory calibration devices below, step is as follows:
1) bottom of steering spindle 12 to be processed is placed in lower round platform 13 by user so that compressing steel ball 19 props up and turns
To the bottom of axle 12, as shown in Figure 10.Meanwhile, utilize back-moving spring 11C, by upper top 11 tops propping up steering spindle 12, this
Sample just completes the preliminary fixing of steering spindle 12；
2) starting hydraulic jack 6, middle gripper shoe 3 synchronizes to move downward along with upper grip 9 and lower chuck 10, now, and lower top
Point fixed plate 17 and under top 14 remain stationary as.Along with hydraulic jack 6 constantly under press, compressing steel ball 19 starts along steering spindle
Helical orbit 121 on 12 outer walls starts to roll, and extrusion spiral track 121, at two outward flanges of the inwall of helical orbit 121
Form a trajectory impression 122 respectively, as shown in Figure 13 and Figure 14.
3), after the descending default distance of hydraulic jack 6, trajectory impression 122 completion of processing on helical orbit 121, liquid
Compressing cylinder 6 bounces back to home position, and the steering spindle 12 machined is taken off by user.It addition, this can set in gripper shoe 3
There is a displacement transducer, the distance that gripper shoe 3 is descending in monitoring, prevent steering spindle 12 from being damaged by excessive compression.
By changing various sizes of sizing module 18 and compressing steel ball 19, trajectory calibration devices of the present utility model is permissible
Process various sizes of steering spindle trajectory, applied widely, effectively reduce processing cost.
Trajectory calibration devices of the present utility model comprehensive utilization prior art, breaks through tradition processing limitation, effectively reduces
Cost, is greatly improved the production efficiency of steering spindle.
It is not limited to this, any change expected without creative work or replacement, all should contain at this utility model
Protection domain within.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claims are limited.
Claims (2)
1. the trajectory calibration devices of a vehicle electric power-assisted steering device steering spindle, it is characterised in that described motorcar electric
The trajectory calibration devices (1) of power-assisted steering device steering spindle comprises a upper backup pad (2), gripper shoe (3), a lower supporting plate in one
(4) and one base (5), pair of support rods (7) extends through described upper backup pad (2), middle gripper shoe (3) and lower supporting plate
(4), a pair connecting shaft (8) extends through described middle gripper shoe (3) and lower supporting plate (4), and described upper backup pad (2) sets
There is a hydraulic jack (6), between described upper backup pad (2) and middle gripper shoe (3), be provided with a upper grip (9), described upper folder
Head (9) be connected with described hydraulic jack (6), described upper grip (9) by some upper folder screws (9A) and described in
Gripper shoe (3) is fixing to be connected, and the lower section of described middle gripper shoe (3) is provided with a lower chuck (10), and described lower chuck (10) leads to
Cross fixing connection of some lower folder screws (10C) and described middle gripper shoe (3), in described lower chuck (10), be provided with one first
Thrust bearing (10A) and one second thrust bearing (10B), described the first thrust bearing (10A) and the second thrust bearing (10B)
Between be provided with top on one (11), the center of described upper top (11) is provided with a regulation passage (11D), described regulation passage
(11D) being provided with top plug (11A) and an adjusting screw rod (11B) of an annular in, described adjusting screw rod (11B) runs through described top
Plug (11A), the head of described adjusting screw rod (11B) is provided with a back-moving spring (11C), and described lower supporting plate (4) is provided with
Round platform (13) once, the sizing being provided with a longitudinally disposed formed channel (13A) and an annular in described lower round platform (13) is empty
Chamber (13B), is provided with a stock mould group (18) in described sizing cavity (13B), described sizing module (18) comprises an annular
Interior annulus (18A) and the limited aunular sheet (18B) of an annular, the inner side of described limited aunular sheet (18B) is provided with one by caving in
The ball groove array that ball groove (18C) forms, is respectively equipped with a compressing steel ball (19), described connecting shaft in described ball groove (18C)
(8) be provided with the most top fixed plate (17) between bottom, described under the center of top fixed plate (17) be provided with the most top
Seat (16), is provided with a pair time top bearing (15) in described lower dead head (16), described under set between top bearing (15)
Have the most top (14), described under in top (14) stretch into described formed channel (13A).
The trajectory calibration devices of vehicle electric power-assisted steering device steering spindle the most according to claim 1, it is characterised in that
Described middle gripper shoe (3) is provided with a displacement transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620849584.4U CN205869854U (en) | 2016-08-08 | 2016-08-08 | Trajectory finishing device of auto electric power assisted steering utensils steering spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620849584.4U CN205869854U (en) | 2016-08-08 | 2016-08-08 | Trajectory finishing device of auto electric power assisted steering utensils steering spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205869854U true CN205869854U (en) | 2017-01-11 |
Family
ID=57700926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620849584.4U Withdrawn - After Issue CN205869854U (en) | 2016-08-08 | 2016-08-08 | Trajectory finishing device of auto electric power assisted steering utensils steering spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205869854U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041412A (en) * | 2016-08-08 | 2016-10-26 | 江苏罡阳转向系统有限公司 | Trajectory finishing device for steering shaft for automobile electric power steering gear |
| CN106862857A (en) * | 2017-03-31 | 2017-06-20 | 佛山腾谱工业设计有限公司 | A kind of auto parts machinery rolling device |
-
2016
- 2016-08-08 CN CN201620849584.4U patent/CN205869854U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041412A (en) * | 2016-08-08 | 2016-10-26 | 江苏罡阳转向系统有限公司 | Trajectory finishing device for steering shaft for automobile electric power steering gear |
| CN106041412B (en) * | 2016-08-08 | 2017-12-15 | 江苏罡阳转向系统有限公司 | The trajectory calibration devices of vehicle electric power-assisted steering device steering spindle |
| CN106862857A (en) * | 2017-03-31 | 2017-06-20 | 佛山腾谱工业设计有限公司 | A kind of auto parts machinery rolling device |
| CN106862857B (en) * | 2017-03-31 | 2018-12-07 | 扬州宏运车业有限公司 | A kind of automobile parts rolling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170111 Effective date of abandoning: 20171215 |
|
| AV01 | Patent right actively abandoned |