CN101786464A - Steering shaft of telescopic double cross universal joint - Google Patents
Steering shaft of telescopic double cross universal joint Download PDFInfo
- Publication number
- CN101786464A CN101786464A CN 201010125918 CN201010125918A CN101786464A CN 101786464 A CN101786464 A CN 101786464A CN 201010125918 CN201010125918 CN 201010125918 CN 201010125918 A CN201010125918 A CN 201010125918A CN 101786464 A CN101786464 A CN 101786464A
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- steering shaft
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- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 239000011295 pitch Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 6
- 206010061258 Joint lock Diseases 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
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Abstract
The invention relates to a steering shaft of a telescopic double cross universal joint. The steering shaft is characterized in that: the whole steering shaft is divided into an upper section, a middle section and a lower section; an upper segment of the steering shaft is arranged in a steering column and can be freely rotated in the steering column; the lower end of the steering shaft is connected with a drive yoke of a first universal joint; a driven yoke of the first universal joint is welded with a middle segment of the steering shaft, and the middle segment of the steering shaft is inserted into a spline housing of the steering shaft and can freely slide in the spline housing of the steering shaft axially; and the spline housing of the steering shaft is welded with a drive yoke of a second universal joint, a driven yoke of the second universal joint is connected with the lower segment of the steering shaft on a steering gear assembly, and the steering gear assembly is connected with a frame. The double cross universal joint structure realizes constant angular velocity transmission on the upper segment and the lower segment of the steering shaft under the condition of different axes, so that a driver has better steering feeling from a steering wheel; and the steering gear and the steering wheel are arranged flexibly and conveniently.
Description
Technical field
The present invention relates to automobile steering system, particularly a kind of steering shaft of shaft of telescopic double cross universal joint.
Background technology
The motor turning dish is called steering shaft to the rotating shaft between the deflector, the steering shaft of present many vehicles has all adopted the Hooke's joint universal driving device, owing to parts installation error onboard and installation matrix, i.e. the two axis that operator's compartment, vehicle frame distortion caused is actual not to be overlapped with compensation.Its operator's compartment of modern goods carrying vehicle of thumping majority all can be tumbled forward, so that the maintenance of automotive engine.Because the universal driving device hinge-point do not overlap with the center of turn that operator's compartment is tumbled forward, and the total length of steering shaft is changeless, in the time of can't satisfying operator's compartment and tumble forward with the condition that is elongated.When operator's compartment is tumbled forward, must separate steering shaft from the centre, operator's compartment must couple together the steering shaft separate section again after falling after rise, brings inconvenience for car opertion and maintenance, and has potential safety hazard.The axis of the axis on the steering shaft top that links to each other with steering handwheel and the steering shaft bottom that links to each other with deflector, because of the needs of automobile entire arrangement can not all overlap, single Hooke's joint universal driving device, can't realize the transmission of isogonism speed, cause equal steering wheel angle, in different steering handwheels position, the unequal situation of deflector output corner, chaufeur is bad from the road feel of steering handwheel.
Summary of the invention
The present invention proposes a kind of steering shaft of shaft of telescopic double cross universal joint, and it can overcome the problems referred to above.
The steering shaft of this shaft of telescopic double cross universal joint provided by the invention is characterized in that whole steering shaft is divided into three sections of upper, middle and lower, and the steering shaft epimere is loaded in the steering column and can freely rotates in steering column; The upper end of steering shaft epimere and steering handwheel with invoice serration link to each other, the lower end initiatively pitches with invoice serration with first Hooke's joint and links to each other; Driven fork of first Hooke's joint and the welding of steering shaft stage casing, the steering shaft stage casing all is processed as the rectangle external spline in the outside face length range, insertion is processed in the steering shaft spline housing of internal spline and can be freely endwisely slipped in the steering shaft spline housing, realizes Collapsible structure; The steering shaft spline housing and second Hooke's joint are initiatively pitched welding, and the driven fork of second Hooke's joint is connected with invoice serration with steering shaft hypomere on the steering assembly, and steering assembly is connected on the vehicle frame with bolt, nut.
Be welded with on the described steering column external cylindrical surface and operator's compartment associated components bonded assembly upper bracket.
Also be welded with the combined switch support that is used to install combined switch on the described steering column external cylindrical surface.
The steering shaft of described shaft of telescopic double cross universal joint is positioned at two Hooke's joint structures of steering shaft stage casing upper and lower end, at the driving and driven fork two between centers angle α of first universal-joint
1With the driving and driven fork two interaxle angle α of second universal-joint
2When equating, be the transmission of isogonism speed to hypomere by the steering shaft epimere.
Whole steering shaft compact conformation of the present invention is connected firmly, and design arrangement is convenient.As long as when design arrangement, guarantee the driving and driven fork two between centers angle α of first universal-joint
1With the driving and driven fork two interaxle angle α of second universal-joint
2Equate; Just can realize the not isogonism under the same axis condition speed transmission of steering shaft epimere and hypomere, make chaufeur that road feel from steering handwheel can be arranged preferably.The structure of telescoping can satisfy operator's compartment when tumbling forward, the condition that steering shaft is elongated.Can also be when auto against, the absorption portion energy reduces chaufeur and is diverted the possibility that Pan Ding hinders.
Description of drawings
Fig. 1 is an overall structure scheme drawing of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1 among the present invention, i.e. steering shaft epimere and steering column assembly relation scheme drawing.
Fig. 3 is the B-B cutaway view of Fig. 1 among the present invention, i.e. steering shaft stage casing and steering shaft spline housing assembling concerns scheme drawing.
Fig. 4 is the C-C cutaway view of Fig. 1 among the present invention, i.e. section connection structure scheme drawing under the steering shaft on driven fork of second universal-joint and the steering assembly.
Fig. 5 is the variable speed characteristic principle schematic of Hooke's joint transmission.
Fig. 6 is a double cruciform shaft universal driving device constant speed transmission principle scheme drawing.
Each label among the figure: 1-vehicle frame, 2-steering assembly, 3-M12 * 30 bolts, 4-φ 12 packing rings, 5-φ 12 spring washers, 6-M12 nut, 7-universal-joint lock bolt, 8-φ 10 spring washers, 9-M10 * 1 nut, the 10-steering handwheel, 11-steering-wheel lock jack panel, 12-steering handwheel lock nut washer, 13-steering shaft epimere, 14-combined switch support, the 15-upper bracket, 16-steering column, 17-first universal-joint, 18-steering shaft stage casing, 19-steering shaft spline housing, 20-second universal-joint, 21-snap ring, 22 antifriction-bearing boxs, 23 lubricating cups.
The specific embodiment
Be elaborated below in conjunction with accompanying drawing.
As shown in Figure 1, the steering shaft of this shaft of telescopic double cross universal joint provided by the invention, whole steering shaft are divided into three sections of upper, middle and lower.Steering shaft epimere 13 is loaded in the steering column 16, and steering shaft epimere 13 can freely rotate in steering column 16; Be welded with upper bracket 15 on steering column 16 external cylindrical surfaces and be used for being connected, also be welded with combined switch support 14 on steering column 16 external cylindrical surfaces and be used to install combined switch with the operator's compartment associated components.Link to each other with steering handwheel 10 usefulness invoice serrations to axle epimere 13 upper ends, and lock with steering-wheel lock jack panel 11, steering handwheel lock nut washer 12.Steering shaft epimere 13 lower ends and first universal-joint 17 initiatively fork are connected with invoice serration, and with universal-joint lock bolt 7, φ 10 spring washers 8, M10 * 1 nut 9 is locked.First universal-joint, 17 driven forks adopt electric welding firmly to be connected with steering shaft stage casing 18, steering shaft stage casing 18 all is processed as the rectangle external spline in length range, insert in the steering shaft spline housing 19, and can in steering shaft spline housing 19, endwisely slip, realize Collapsible structure.The steering shaft spline housing 19 and second universal-joint 20 are initiatively pitched electricity consumption and are welded and be solidly connected, second universal-joint, 20 driven forks are connected with invoice serration with steering shaft hypomere on the steering assembly 2, and with universal-joint lock bolt 7, φ 10 spring washers 8, M10 * 1 nut, 9 lockings.Deflector M12 * 30 bolts 3, φ 12 packing rings 4, φ 12 spring washers 5, M12 nut 6 is connected on the vehicle frame.Whole steering shaft compact conformation is connected firmly, and design arrangement is convenient.As long as when design arrangement, guarantee the driving and driven fork two between centers angle α of first universal-joint
1With the driving and driven fork two interaxle angle α of second universal-joint
2Equate; Can be implemented in the not isogonism under the same axis condition speed transmission of steering shaft epimere and hypomere, make chaufeur that road feel from steering handwheel can be arranged preferably.The structure of telescoping can satisfy operator's compartment when tumbling forward, the condition that steering shaft is elongated.Can also be when auto against, the absorption portion energy reduces chaufeur and is diverted the possibility that Pan Ding hinders.
As shown in Figure 2, be welded with combined switch support 14 on the steering column 16 and be used to install combined switch.Steering shaft epimere 13 is contained in the steering column 16, and antifriction-bearing box 22 is equipped with at steering column 16 two ends, and with snap ring 21 axial location, steering shaft epimere 13 can freely rotate in steering column, but can not move axially.
As shown in Figure 3, first universal-joint, 17 driven forks adopt electric welding firmly to be connected with steering shaft stage casing 18, steering shaft stage casing 18 all is processed as the rectangle external spline in length range, insertion is processed in the steering shaft spline housing 19 of internal spline, and can in steering shaft spline housing 19, endwisely slip, realize Collapsible structure, lubricating cup 23 is housed on steering shaft spline housing 19, be used for the lubricating grease of annotating, lubricated steering shaft stage casing 18 and steering shaft spline housing 19.The steering shaft spline housing 19 and second universal-joint 20 are initiatively pitched electricity consumption and are welded and be solidly connected.
As shown in Figure 4, second universal-joint, 20 driven forks are connected with invoice serration with steering shaft hypomere on the steering assembly 2, and with universal-joint lock bolt 7, φ 10 spring washers 8, M10 * 1 nut, 9 lockings, firm and reliable connection.
As shown in Figure 5, cross shaft rigid universal joint, be called for short Hooke's joint, have simple in structure, the advantage that driving efficiency is high, but under the non-vanishing situation of diaxon angle α, the cireular frequency of its diaxon is unequal, can not transmit isogonism speed and rotate, carry out motion analysis with regard to two specific positions in the single universal-shaft drive process below, the variable speed of its transmission is described.
(1) initiatively pitch in the upright position, and the center cross plane situation vertical with imput shaft, i.e. situation shown in Fig. 5 a.Initiatively pitch linear velocity v with center cross point of connection a
aIn the center cross plane; The linear velocity v of driven fork and center cross point of connection b
bWith initiatively pitch parallel plane in, and perpendicular to driven shaft.The linear velocity v of point b
bCan be decomposed into the speed v in the center cross plane
b' and perpendicular to the speed v on center cross plane
b".By the speed right-angled triangle as can be seen, v numerically
b＞v
b'.Because of the center cross radius of rotation equates, i.e. oa=ob, when universal-shaft drive, center cross is around the rotation of o point, and 2 linear velocities in the center cross plane of a, b numerically should equate on it, i.e. v
b'=v
aSo v
b＞v
aHence one can see that, and when driving and driven fork forwarded described position to, the rotating speed of driven shaft was greater than speed drive shaft.
(2) initiatively fork at level attitude, and the situation of center cross plane when vertical, i.e. situation shown in Fig. 5 b with driven shaft.Initiatively pitch linear velocity v this moment with center cross point of connection a
aIn being parallel to the plane of driven fork, and perpendicular to imput shaft.Linear velocity v
aCan be decomposed into the speed v in the center cross plane
a' and perpendicular to the speed v on center cross plane
a", according to above-mentioned same reason, numerically v
a＞v
a', and v
a'=v
b, so v
a＞v
b, promptly when driving and driven fork forwarded described position to, output speed was less than the imput shaft rotating speed.
The analysis of above-mentioned two extraordinary circumstances, as can be seen, Hooke's joint is in transmission process, and the rotating speed of master and slave moving axis is unequal.
Shown in Fig. 5 c, be imput shaft corner φ initiatively to pitch corner
1Be abscissa, initiatively pitching corner is the difference φ that imput shaft corner and driven fork corner are the driven shaft corner
1-φ
2Be ordinate, φ can draw
1-φ
2With φ
1Change curve, α=10 ° of having drawn among the figure, α=20 °, the situation of α=30 °.From this figure as can be seen: if initiatively fork has at the uniform velocity changeed 180 °, so driven fork has just experienced: than fork initiatively change near change than fork initiatively so slowly process.But stack up says that when initiatively fork turned over 90 °, driven fork also turned over 90 °; When initiatively fork turned over 180 °, driven fork also turned over 180 °.If therefore imput shaft is rotated with isogonism speed, driven shaft then is sometimes fast and sometimes slow, and this is the variable speed of single Hooke's joint transmission when angle is arranged.Must be noted that what is called " variable speed of transmission ", be meant that driven fork is that driven shaft cireular frequency in a week is inhomogeneous.And being the mean speed of master and slave moving axis, driving and driven fork equates that promptly imput shaft turns over all driven shafts and also turns over a week.It can also be seen that from this figure α is big more for universal-joint diaxon angle, initiatively pitches corner φ
1With driven fork corner φ
2Difference also big more.This explanation is uniform rotation if imput shaft is promptly initiatively pitched, and so along with the increase of universal-joint diaxon angle, driven fork is that the irregularity of output speed is big more.The variable speed of single Hooke's joint transmission will make chaufeur bad from the road feel of steering handwheel.
As shown in Figure 6, since Hooke's joint can become uniform rotation non-uniform rotation, it just might be reduced to uniform rotation with certain non-uniform rotation so.For example between steering shaft epimere and steering shaft hypomere, adopting as shown in Figure 6 two Hooke's joints and a transmission shaft is the steering shaft stage casing, just might realize this transmission.Promptly when satisfying the driving and driven fork two between centers angle α of first universal-joint
1With the driving and driven fork two between centers angle α of second universal-joint
2During the condition that equates, can realize by the steering shaft epimere, make chaufeur that road feel from steering handwheel can be arranged preferably to the fast transmission of the isogonism of steering shaft hypomere.
Claims (4)
1. the steering shaft of shaft of telescopic double cross universal joint is characterized in that whole steering shaft is divided into three sections of upper, middle and lower, and the steering shaft epimere is loaded in the steering column and can freely rotates in steering column; The upper end of steering shaft epimere and steering handwheel with invoice serration link to each other, the lower end initiatively pitches with invoice serration with first Hooke's joint and links to each other; Driven fork of first Hooke's joint and the welding of steering shaft stage casing, the steering shaft stage casing all is processed as the rectangle external spline in the outside face length range, insert in the steering shaft spline housing that is processed into internal spline also can freely endwisely slip in the steering shaft spline housing; The steering shaft spline housing and second Hooke's joint are initiatively pitched welding, and the driven fork of second Hooke's joint is connected with invoice serration with steering shaft hypomere on the steering assembly, and steering assembly is connected on the vehicle frame with bolt, nut.
2. the steering shaft of shaft of telescopic double cross universal joint as claimed in claim 1 is characterized in that: be welded with on the steering column external cylindrical surface and operator's compartment associated components bonded assembly upper bracket.
3. the steering shaft of shaft of telescopic double cross universal joint as claimed in claim 1 is characterized in that: be welded with the combined switch support that is used to install combined switch on the steering column external cylindrical surface.
4. the steering shaft of shaft of telescopic double cross universal joint as claimed in claim 1 is characterized in that: be positioned at two Hooke's joint structures of steering shaft stage casing upper and lower end, at the driving and driven fork two between centers angle α of first universal-joint
1With the driving and driven fork two interaxle angle α of second universal-joint
2When equating, be the transmission of isogonism speed to hypomere by the steering shaft epimere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010125918 CN101786464A (en) | 2010-03-17 | 2010-03-17 | Steering shaft of telescopic double cross universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010125918 CN101786464A (en) | 2010-03-17 | 2010-03-17 | Steering shaft of telescopic double cross universal joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101786464A true CN101786464A (en) | 2010-07-28 |
Family
ID=42529890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010125918 Pending CN101786464A (en) | 2010-03-17 | 2010-03-17 | Steering shaft of telescopic double cross universal joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101786464A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103732475A (en) * | 2011-08-29 | 2014-04-16 | 株式会社捷太格特 | Steering gear and cross joint |
| CN106335588A (en) * | 2016-08-31 | 2017-01-18 | 浙江栋马童车股份有限公司 | Chained steering shaft |
| CN112793695A (en) * | 2021-01-30 | 2021-05-14 | 上海鋆挚智能科技有限公司 | A tricycle with a turning head |
| CN113212537A (en) * | 2021-05-14 | 2021-08-06 | 神龙汽车有限公司 | Novel steering column lower yoke and steering engine input shaft connecting mechanism |
| CN113677588A (en) * | 2019-03-14 | 2021-11-19 | 株式会社万都 | Steering column for vehicle |
| CN114161104A (en) * | 2020-09-11 | 2022-03-11 | 操纵技术Ip控股公司 | Intermediate shaft axial retaining device |
| CN115320699A (en) * | 2022-07-07 | 2022-11-11 | 江铃汽车股份有限公司 | Fixing device and fixing method for telescopic shaft of steering column |
| CN116658530A (en) * | 2023-05-31 | 2023-08-29 | 安徽江淮汽车集团股份有限公司 | Double cross shaft coupling device |
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| DE19737036A1 (en) * | 1997-08-26 | 1999-03-04 | Hammerstein Gmbh C Rob | Steering gear for road vehicle with adjustment for length and angle |
| CN1292853A (en) * | 1998-01-19 | 2001-04-25 | 克鲁普·普里斯塔公司 | Constant-velocity universal joint for steering axles in automobiles |
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| CN2467371Y (en) * | 2001-02-27 | 2001-12-26 | 广西柳工集团有限公司 | Adjustable training gear |
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| CN201240415Y (en) * | 2008-06-03 | 2009-05-20 | 福田雷沃国际重工股份有限公司 | Angle adjustable steering column |
| CN201276146Y (en) * | 2008-09-27 | 2009-07-22 | 常州东风农机集团有限公司 | Steering mechanism with adjustable front and rear angles |
| CN201626475U (en) * | 2010-03-17 | 2010-11-10 | 云南力帆骏马车辆有限公司 | Steering shaft of expansion type double-cross shaft universal joint |
-
2010
- 2010-03-17 CN CN 201010125918 patent/CN101786464A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5105677A (en) * | 1990-02-28 | 1992-04-21 | Ecia | Adjustable steering column |
| DE19737036A1 (en) * | 1997-08-26 | 1999-03-04 | Hammerstein Gmbh C Rob | Steering gear for road vehicle with adjustment for length and angle |
| CN1292853A (en) * | 1998-01-19 | 2001-04-25 | 克鲁普·普里斯塔公司 | Constant-velocity universal joint for steering axles in automobiles |
| CN1302265A (en) * | 1999-02-16 | 2001-07-04 | 纳卡姆德国股份有限公司 | Adjustable steering clumn line for motor vehicle |
| CN2467371Y (en) * | 2001-02-27 | 2001-12-26 | 广西柳工集团有限公司 | Adjustable training gear |
| CN1931648A (en) * | 2005-09-15 | 2007-03-21 | 本田技研工业株式会社 | Steering device for vehicle |
| CN2848668Y (en) * | 2005-10-27 | 2006-12-20 | 中国重型汽车集团有限公司 | Steering control device of heavy duty car |
| CN201240415Y (en) * | 2008-06-03 | 2009-05-20 | 福田雷沃国际重工股份有限公司 | Angle adjustable steering column |
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| CN201626475U (en) * | 2010-03-17 | 2010-11-10 | 云南力帆骏马车辆有限公司 | Steering shaft of expansion type double-cross shaft universal joint |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103732475B (en) * | 2011-08-29 | 2016-02-17 | 株式会社捷太格特 | Steering operation device and X conn |
| CN103732475A (en) * | 2011-08-29 | 2014-04-16 | 株式会社捷太格特 | Steering gear and cross joint |
| CN106335588A (en) * | 2016-08-31 | 2017-01-18 | 浙江栋马童车股份有限公司 | Chained steering shaft |
| CN113677588B (en) * | 2019-03-14 | 2024-05-28 | 汉拿万都株式会社 | Vehicle steering column |
| CN113677588A (en) * | 2019-03-14 | 2021-11-19 | 株式会社万都 | Steering column for vehicle |
| CN114161104B (en) * | 2020-09-11 | 2024-10-25 | 操纵技术Ip控股公司 | Intermediate shaft axial retaining device |
| CN114161104A (en) * | 2020-09-11 | 2022-03-11 | 操纵技术Ip控股公司 | Intermediate shaft axial retaining device |
| US12097897B2 (en) | 2020-09-11 | 2024-09-24 | Steering Solutions Ip Holding Corporation | Intermediate shaft axial retention device |
| CN112793695A (en) * | 2021-01-30 | 2021-05-14 | 上海鋆挚智能科技有限公司 | A tricycle with a turning head |
| CN113212537A (en) * | 2021-05-14 | 2021-08-06 | 神龙汽车有限公司 | Novel steering column lower yoke and steering engine input shaft connecting mechanism |
| CN115320699B (en) * | 2022-07-07 | 2023-12-19 | 江铃汽车股份有限公司 | Fixing device and fixing method for telescopic shaft of steering column |
| CN115320699A (en) * | 2022-07-07 | 2022-11-11 | 江铃汽车股份有限公司 | Fixing device and fixing method for telescopic shaft of steering column |
| CN116658530A (en) * | 2023-05-31 | 2023-08-29 | 安徽江淮汽车集团股份有限公司 | Double cross shaft coupling device |
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Open date: 20100728 |