CN106041412B - The trajectory calibration devices of vehicle electric power-assisted steering device steering spindle - Google Patents
The trajectory calibration devices of vehicle electric power-assisted steering device steering spindle Download PDFInfo
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- CN106041412B CN106041412B CN201610641564.2A CN201610641564A CN106041412B CN 106041412 B CN106041412 B CN 106041412B CN 201610641564 A CN201610641564 A CN 201610641564A CN 106041412 B CN106041412 B CN 106041412B
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- supporting plate
- steering spindle
- trajectory
- calibration devices
- annular
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
- B23P9/02—Treating or finishing by applying pressure, e.g. knurling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The invention discloses a kind of trajectory calibration devices of vehicle electric power-assisted steering device steering spindle, include a upper backup pad, supporting plate in one, one lower supporting plate and a base, described lower supporting plate is provided with round platform, sizing cavity provided with a longitudinally disposed formed channel and an annular in described lower round platform, a stock mould group is provided with described sizing cavity, described sizing module includes the interior annular of an annular and the limited aunular sheet of an annular, the inner side of described limited aunular sheet is provided with a ball groove array being made up of the ball groove being recessed, a compressing steel ball is respectively equipped with described ball groove.By changing various sizes of sizing module and compressing steel ball, trajectory calibration devices of the invention can process various sizes of steering spindle trajectory, applied widely, effectively reduce processing cost.The trajectory calibration devices comprehensive utilization prior art of the present invention, breaks through traditional processing limitation, effectively reduces cost, the production efficiency of steering spindle greatly improved.
Description
Technical field
The present invention relates to a kind of auto steerer, more precisely, being that a kind of vehicle electric power-assisted steering device turns to
The trajectory calibration devices of axle.
Background technology
A steering spindle is usually mounted with vehicle electric power-assisted steering device, as is illustrated by figs. 11 and 12, outside steering spindle
Wall is provided with the helical orbit 121 that multiple spirals are set, and helical orbit 121 is coordinated with turning to steel ball.Turned to reduce
Frictional force of the steel ball in helical orbit 121 to helical orbit 121, it is necessary to carry out retrofit.Due to conventional machining process
Inherent limitation, Milling Machining often do not reach processing request, and efficiency is low again for mill processing, and import equipment is with high costs and efficiency
General, it is hard to meet batch production requirements.
The content of the invention
The present invention mainly solves the technical problem present in prior art, so as to provide a kind of automobile electric power-assisted steering
The trajectory calibration devices of device steering spindle.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：
A kind of trajectory calibration devices 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 include supporting plate, a lower supporting plate and a bottom in a upper backup pad, one
Seat, a pair of support rods extend through described upper backup pad, middle supporting plate and lower supporting plate, and a pair of connecting shafts extend through described
Middle supporting plate and lower supporting plate, described upper backup pad be provided with a hydraulic jack, described upper backup pad and middle supporting plate
Between be provided with a upper grip, described upper grip is connected with described hydraulic jack, and described upper grip passes through some upper folders
Screw is fixedly connected with described middle supporting plate, and the lower section of described middle supporting plate is provided with a lower chuck, and described lower chuck leads to
Being fixedly connected for some lower folder screws and described middle supporting plates is crossed, described lower chuck is interior to be provided with one first thrust bearing and one
Second thrust bearing, between described the first thrust bearing and the second thrust bearing be provided with one on it is top, described is upper top
Center is provided with a regulation passage, and the top plug and an adjusting screw rod of an annular, described regulation spiral shell are provided with described regulation passage
Bar is filled in through described top, 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, the interior sizing cavity provided with a longitudinally disposed formed channel and an annular of described lower round platform, described sizing cavity
A stock mould group is inside provided with, described sizing module includes the interior annular of an annular and the limited aunular sheet 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 being recessed, and a compressing steel ball is respectively equipped with described ball groove,
Top fixed plate is provided between the bottom of described connecting shaft, the center of top fixed plate is provided with top under described
Seat, top bearing under being provided with a pair in described lower dead head, be provided with described between top bearing it is top, it is described
Under top stretch into described formed channel.
As preferred embodiments of the present invention, described middle supporting plate is provided with a displacement transducer.
The invention also discloses a kind of trajectory finishing dress using vehicle electric power-assisted steering device steering spindle described above
The method being processed to steering spindle is put, includes step：
1）The bottom of steering spindle to be processed is placed into lower round platform so that compressing steel ball props up the bottom of steering spindle,
Meanwhile using back-moving spring, by the upper top top for propping up steering spindle, complete the preliminary fixation of steering spindle；
2）Start hydraulic jack, middle supporting plate synchronously moves downward with upper grip and lower chuck, and compressing steel ball is along turning
Helical orbit on axle outer wall（Roll, and extrusion spiral track, one is formed respectively in two outward flanges of the inwall of helical orbit
Trajectory impression；
3）, after descending one default distance of hydraulic jack, the trajectory impression completion of processing on helical orbit, hydraulic jack
Bounce back to home position；
4）, the steering spindle machined removed.
The trajectory calibration devices of the vehicle electric power-assisted steering device steering spindle of the present invention have advantages below：Pass through replacing
Various sizes of sizing module and compressing steel ball, trajectory calibration devices of the invention can process various sizes of steering spindle bullet
Road, it is applied widely, effectively reduce processing cost.The trajectory calibration devices comprehensive utilization prior art of the present invention, breaks through and passes
System processing limitation, effectively reduces cost, the production efficiency of steering spindle greatly improved.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the stereochemical structure signal of the trajectory calibration devices of the vehicle electric power-assisted steering device steering spindle of the present invention
Figure；
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 dimensional structure diagram of the lower round platform in Fig. 4；
Fig. 7 is sectional view of the lower round platform along line A-A in Fig. 6；
Fig. 8 is the machining sketch chart of the trajectory calibration devices of the present invention；
Fig. 9 is sectional view of the trajectory calibration devices along line B-B in Fig. 8；
Figure 10 is the detail enlarged diagram in the C regions of the trajectory calibration devices in Fig. 9；
Figure 11 is the dimensional structure diagram of steering spindle of the prior art；
Figure 12 is the detail enlarged diagram in the D regions of the steering spindle in Figure 11；
Figure 13 is the dimensional structure diagram of the steering spindle after the trajectory calibration devices processing using the present invention；
Figure 14 is the detail enlarged diagram in the E regions of the steering spindle in Figure 13.
Embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
As shown in Figure 1 to Figure 3, the vehicle electric power-assisted steering device is included with the trajectory calibration devices 1 of steering spindle and propped up on one
Supporting plate 3, a lower supporting plate 4 and a base 5 in fagging 2, one.A pair of support rods 7 extends through the upper backup pad 2, middle support
Plate 3 and lower supporting plate 4, a pair of connecting shafts 8 extend through supporting plate 3 and lower supporting plate 4 in this.
The upper backup pad 2 is provided with a hydraulic jack 6, and a upper grip 9 is provided between the upper backup pad 2 and middle supporting plate 3,
The upper grip 9 is connected with the hydraulic jack 6.The upper grip 9 is fixed by supporting plate 3 in some upper folder screw 9A and this to be connected
Connect.
Lower section of supporting plate 3 is provided with a lower chuck 10 in this, and the lower chuck 10 is by some lower folder screw 10C with being propped up in this
Fagging 3 is fixedly connected, and is provided with one first thrust bearing 10A and one second thrust bearing 10B in the lower chuck 10, and this first stops
It is provided between thrust bearing 10A and the second thrust bearing 10B top 11 on one, top 11 center is provided with a regulation passage on this
Top the plug a 11A and adjusting screw rod 11B, adjusting screw rod 11B that an annular is provided with 11D, regulation passage 11D fill in through the top
11A, the adjusting screw rod 11B head are provided with a back-moving spring 11C.
As shown in Figures 4 to 7, the lower supporting plate 4 is provided with round platform 13, and it is longitudinally disposed to be provided with one in the lower round platform 13
The annulars of formed channel 13A and one sizing cavity 13B, is provided with a stock mould group 18, the sizing module in sizing cavity 13B
The limited aunular sheet 18B of 18 annulars of interior annular 18A and one comprising an annular, limited aunular sheet 18B inner side are provided with one by being recessed
Ball groove 18C compositions ball groove array, be respectively equipped with a compressing steel ball 19 in ball groove 18C.
Top fixed plate 17 is provided between the bottom of the connecting shaft 8, center of top fixed plate 17 is provided with one under this
Lower dead head 16, the lower dead head 16 is interior provided with top bearing 15 under a pair, provided with top once between top bearing 15 under this
14, top 14 stretch into formed channel 13A under this.
The application method of the trajectory calibration devices is illustrated below, step is as follows：
1）The bottom of steering spindle 12 to be processed is placed into lower round platform 13 by user so that compressing steel ball 19, which props up, to be turned
To the bottom of axle 12, as shown in Figure 10.Meanwhile using back-moving spring 11C, the top for propping up steering spindle 12 by upper top 11, this
Sample just completes the preliminary fixation of steering spindle 12；
2）Starting hydraulic jack 6, middle supporting plate 3 synchronously moves downward with upper grip 9 and lower chuck 10, now, lower top
Sharp fixed plate 17 and under top 14 remain stationary as.With constantly pushing for hydraulic jack 6, compressing steel ball 19 starts along steering spindle
Helical orbit 121 on 12 outer walls starts to roll, and extrusion spiral track 121, in two outward flanges of the inwall of helical orbit 121
A trajectory impression 122 is formed respectively, as shown in Figure 13 and Figure 14.
3）, after the descending default distance of hydraulic jack 6, the completion of processing of trajectory impression 122 on helical orbit 121, liquid
Compressing cylinder 6 bounces back to home position, and user removes the steering spindle 12 machined.In addition, it can be set in supporting plate 3 in this
There is a displacement transducer, the distance descending for supporting plate in monitoring 3, 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 invention can be processed
Various sizes of steering spindle trajectory, it is applied widely, effectively reduce processing cost.
The trajectory calibration devices comprehensive utilization prior art of the present invention, breaks through traditional processing limitation, effectively reduces into
This, greatly improved the production efficiency of steering spindle.
This is not limited to, any change or replacement expected without creative work, should all cover the guarantor in the present invention
Within the scope of shield.Therefore, protection scope of the present invention should be determined by the scope of protection defined in the claims.
Claims (3)
- A kind of 1. trajectory calibration devices of vehicle electric power-assisted steering device steering spindle, it is characterised in that described motorcar electric The trajectory calibration devices of power-assisted steering device steering spindle（1）Include a upper backup pad（2）, supporting plate in one（3）, a lower supporting plate （4）With a base（5）, a pair of support rods（7）Extend through described upper backup pad（2）, middle supporting plate（3）And lower supporting plate （4）, a pair of connecting shafts（8）Extend through described middle supporting plate（3）And lower supporting plate（4）, described upper backup pad（2）On set There is a hydraulic jack（6）, described upper backup pad（2）With middle supporting plate（3）Between be provided with a upper grip（9）, described upper folder Head（9）With described hydraulic jack（6）It is connected, described upper grip（9）Pass through some upper folder screws（9A）In described Supporting plate（3）It is fixedly connected, described middle supporting plate（3）Lower section be provided with a lower chuck（10）, described lower chuck（10）It is logical Cross some lower folder screws（10C）With described middle supporting plate（3）Be fixedly connected, described lower chuck（10）Inside it is provided with one first Thrust bearing（10A）With one second thrust bearing（10B）, described the first thrust bearing（10A）With the second thrust bearing（10B） Between be provided with one on it is top（11）, described is upper top（11）Center be provided with one regulation passage（11D）, described regulation passage （11D）Inside it is provided with the top plug of an annular（11A）With an adjusting screw rod（11B）, described adjusting screw rod（11B）Through described top Plug（11A）, described adjusting screw rod（11B）Head be provided with a back-moving spring（11C）, described lower supporting plate（4）It is provided with Round platform once（13）, described lower round platform（13）Inside it is provided with a longitudinally disposed formed channel（13A）It is empty with the sizing of an annular Chamber（13B）, described sizing cavity（13B）Inside it is provided with a stock mould group（18）, described sizing module（18）Include an annular Interior annular（18A）With the limited aunular sheet of an annular（18B）, described limited aunular sheet（18B）Inner side be provided with one by being recessed Ball groove（18C）The ball groove array of composition, described ball groove（18C）Inside it is respectively equipped with a compressing steel ball（19）, described connecting shaft （8）Bottom between be provided with top fixed plate（17）, top fixed plate under described（17）Center be provided with it is top Seat（16）, described lower dead head（16）Inside it is provided with top bearing under a pair（15）, top bearing under described（15）Between set Have top（14）, it is top under described（14）Stretch into described formed channel（13A）It is interior.
- 2. the trajectory calibration devices of vehicle electric power-assisted steering device steering spindle according to claim 1, it is characterised in that Described middle supporting plate（3）It is provided with a displacement transducer.
- 3. a kind of trajectory calibration devices using vehicle electric power-assisted steering device steering spindle as described in claim 1 are to turning The method being processed to axle, includes step： 1）By steering spindle to be processed（12）Bottom be placed into lower round platform（13）In, So that compressing steel ball（19）Prop up steering spindle（12）Bottom, meanwhile, utilize back-moving spring（11C）, will be upper top（11）Prop up Steering spindle（12）Top, complete steering spindle（12）Preliminary fixation； 2）Start hydraulic jack（6）, middle supporting plate（3）With Upper grip（9）And lower chuck（10）Synchronously move downward, oppress steel ball（19）Along steering spindle（12）Spiral track on outer wall Road（121）Roll, and extrusion spiral track（121）, in helical orbit（121）Two outward flanges of inwall form a trajectory respectively Impression（122）； 3）, treat hydraulic jack（6）After a descending default distance, helical orbit（121）On trajectory impression（122） Completion of processing, hydraulic jack（6）Bounce back to home position； 4）, the steering spindle that will machine（12）Remove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610641564.2A CN106041412B (en) | 2016-08-08 | 2016-08-08 | The trajectory calibration devices of vehicle electric power-assisted steering device steering spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610641564.2A CN106041412B (en) | 2016-08-08 | 2016-08-08 | The trajectory calibration devices of vehicle electric power-assisted steering device steering spindle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106041412A CN106041412A (en) | 2016-10-26 |
| CN106041412B true CN106041412B (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610641564.2A Active CN106041412B (en) | 2016-08-08 | 2016-08-08 | The trajectory calibration devices of vehicle electric power-assisted steering device steering spindle |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216451A (en) * | 2019-07-09 | 2019-09-10 | 博众精工科技股份有限公司 | Automatic press mounting mechanism and pressing machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09234538A (en) * | 1995-02-16 | 1997-09-09 | Ntn Corp | Uniform joint and formation of outer ring therefor |
| CN2741709Y (en) * | 2004-11-19 | 2005-11-23 | 李明君 | Rolling press for shaft work piece outer round surface |
| CN204800220U (en) * | 2015-08-06 | 2015-11-25 | 江苏南方轴承股份有限公司 | Eccentric orfice finishing device |
| CN205200937U (en) * | 2015-12-07 | 2016-05-04 | 新昌县红利机械有限公司 | A finishing device that is used for bearing unit flange hole |
| CN205869854U (en) * | 2016-08-08 | 2017-01-11 | 江苏罡阳转向系统有限公司 | Trajectory finishing device of auto electric power assisted steering utensils steering spindle |
-
2016
- 2016-08-08 CN CN201610641564.2A patent/CN106041412B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09234538A (en) * | 1995-02-16 | 1997-09-09 | Ntn Corp | Uniform joint and formation of outer ring therefor |
| CN2741709Y (en) * | 2004-11-19 | 2005-11-23 | 李明君 | Rolling press for shaft work piece outer round surface |
| CN204800220U (en) * | 2015-08-06 | 2015-11-25 | 江苏南方轴承股份有限公司 | Eccentric orfice finishing device |
| CN205200937U (en) * | 2015-12-07 | 2016-05-04 | 新昌县红利机械有限公司 | A finishing device that is used for bearing unit flange hole |
| CN205869854U (en) * | 2016-08-08 | 2017-01-11 | 江苏罡阳转向系统有限公司 | Trajectory finishing device of auto electric power assisted steering utensils steering spindle |
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| Publication number | Publication date |
|---|---|
| CN106041412A (en) | 2016-10-26 |
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