CN202163484U - Six-link multi-shaft steering system coupled by parallelogram mechanism - Google Patents
Six-link multi-shaft steering system coupled by parallelogram mechanism Download PDFInfo
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- CN202163484U CN202163484U CN201120215298XU CN201120215298U CN202163484U CN 202163484 U CN202163484 U CN 202163484U CN 201120215298X U CN201120215298X U CN 201120215298XU CN 201120215298 U CN201120215298 U CN 201120215298U CN 202163484 U CN202163484 U CN 202163484U
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Abstract
The utility model provides a six-link multi-shaft steering system coupled by a parallelogram mechanism, which at least consists of two steering mechanisms. Each steering mechanism comprises a parallel arm, a center arm, two transverse pull rods and two steering knuckle arms, each parallel arm is perpendicular to the corresponding center arm, one end of each center arm is fixedly connected with the middle of the corresponding parallel arm, the other end of each center arm is hinged with one end of each transverse pull rod, and each two transverse pull rods are positioned on two sides of the other end of the corresponding center arm respectively. The other end of each transverse rod is further hinged with one end of each steering knuckle arm, the other end of each steering knuckle arm is provided with a wheel, and the ends of the same sides of the two adjacent parallel arms are connected mutually through a center pull rod. The multi-shaft steering system is formed by a multi-level Watt-II type six-link mechanism and an inter-shaft parallelogram coupling mechanism, so that simultaneous multi-shaft steering can be realized by multi-shaft vehicles while the Ackermann steering principle is met. Furthermore, the six-link multi-shaft steering system coupled by a parallelogram mechanism is simple and reliable in structure, quick in response and smaller in steering error than an existing trapezoidal mechanism.
Description
Technical field
The utility model belongs to multiple-axle vehicle steering swivel system technical field, is specifically related to a kind of six connecting rod multi-axle steering systems of parallel-crank mechanism coupling.
Background technology
Turn to technology for vehicle multiple-shaft, be the direction of various countries' primary study always.Prior art is independently controlled steering swivel system through computing machine mostly and is realized that with series connection tie rod linkage steering swivel system multiaxis turns to simultaneously.Computing machine is independently controlled and is added independently electronic or hydraulic power structure in the steering swivel system each wheel flutter, through the steering angle of each wheel flutter of computer controlled, realizes that many wheels turn to simultaneously.But in the method, a whole set of steering swivel system complex structure, cost is higher, and on controlling steering angle, has time-delay, and reliability is relatively poor when running at high speed.Series connection Ackermann steering gear system because the defective of this body structure causes turning error bigger, therefore is used in the less multiple-axle vehicle of the number of axle more.
Summary of the invention
The purpose of the utility model provides a kind of six connecting rod multi-axle steering systems of parallel-crank mechanism coupling; Utilize computing machine independently to control the steering swivel system complex structure to overcome prior art; Need response time, the shortcoming that reliability is low, and the bigger shortcoming of series connection Ackermann steering gear systematic error.
The technical scheme that the utility model adopted is; A kind of six connecting rod multi-axle steering systems of parallel-crank mechanism coupling; At least be made up of two cover steering hardwarees, every cover steering hardware comprises a parallel arms, a center arm, two intermediate rods and two track arms; Parallel arms and center arm are vertical setting, and an end of center arm is captiveed joint with the middle part of parallel arms; One end of the other end of center arm and two intermediate rods is hinged, and these two intermediate rods lay respectively at the both sides of center arm other end end; The other end of each intermediate rod also is hinged with an end of track arm, and the other end of track arm is provided with wheel; All parallel arms of many cover steering hardwarees are set in parallel, and the end of adjacent two parallel arms homonymies connects through center pull rod.
Wherein, the end of the two ends of center pull rod and adjacent two parallel arms homonymies is hinged.
Wherein, be arranged alternately about many center pull rod end of being positioned at parallel arms is.
The beneficial effect of the utility model is; Utilize multistage Watt-II type six bar mechanism and between centers parallelogram coupling mechanism to form the multi-axle steering system, make multiple-axle vehicle realize under the Ackermann steering principle situation that multiaxis turns to simultaneously, strengthens manoevreability, little place steering flexibility and the operational stability of multiple-axle vehicle satisfying; And it is simple in structure, reliable; Response rapidly, and is littler than existing tie rod linkage turning error, satisfies the Ackermann steering principle better.
Description of drawings
Fig. 1 is the structural representation of six connecting rod multi-axle steering systems of the utility model parallel-crank mechanism coupling;
Fig. 2 is the structure principle chart that the utility model six connecting rod multi-axle steering systems realize the synchronous left-handed turning of all wheels;
Fig. 3 is that the utility model six connecting rod multi-axle steering systems realize the synchronous right-handed structure principle chart of all wheels.
Among the figure, 1. parallel arms, 2. center arm, 3. intermediate rod, 4. track arm, 5. wheel, 6. center pull rod, 7. stub axle.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is elaborated.
As shown in Figure 1; The utility model provides a kind of six connecting rod multi-axle steering systems of parallel-crank mechanism coupling; This steering swivel system is made up of two cover steering hardwarees at least, and every cover steering hardware comprises a parallel arms 1, center arm 2, two intermediate rods 3 and two track arms 4; Parallel arms 1 is vertical setting with center arm 2, and an end of center arm 2 is captiveed joint through stub axle 7 with the middle part of parallel arms 1; One end of the other end of center arm 2 and two intermediate rods 3 is hinged, and these two intermediate rods 3 lay respectively at the both sides of center arm 2 other end ends; The other end of each intermediate rod 3 also is hinged with an end of track arm 4, and the other end of track arm 4 is provided with wheel 5.Six connecting rod multi-axle steering systems of the parallel-crank mechanism coupling that Fig. 1 provides are made up of the quadruplet steering hardware; Four parallel arms 1 of this steering swivel system are set in parallel; The end of adjacent two parallel arms 1 homonymies connects through center pull rod 6, and the end of the two ends of center pull rod 6 and adjacent two parallel arms 1 homonymies is hinged, and forms the parallelogram coupling mechanism; To overlap steering hardware more and be coupled as one, form six connecting rod multi-axle steering systems of parallel-crank mechanism coupling; Four parallel arms 1 of this steering hardware connect through three center pull rod 6, are arranged alternately about the end that these three center pull rod 6 are positioned at parallel arms 1 is.
As shown in Figure 2, when wheel 5 turns left, apply a downward propulsive effort F at the right-hand member of first parallel arms 1
1, through each center pull rod 6 with propulsive effort F
1Be delivered on each parallel arms 1; Realize that all parallel arms 1 of steering swivel system clockwise rotate around stub axle 7 synchronously; Because parallel arms 1 is fixed with one with center arm 2, all parallel arms 1 clwss rotations are also just driving all center arm 2 and are clockwise rotating synchronously around stub axle 7; Thereafter, each center arm 2 is driving each intermediate rod 3 translation left, turns to propulsive effort to pass to track arm 4 through intermediate rod 3, and all track arms 4 are turned left synchronously, and track arm 4 is also just driving all wheels 5 and accomplishing.
As shown in Figure 3, when wheel 5 is turned right, apply a propulsive effort F who makes progress at the right-hand member of first parallel arms 1
2, through each center pull rod 6 with propulsive effort F
2Be delivered on each parallel arms 1; Realize that all parallel arms 1 of steering swivel system rotate counterclockwise around stub axle 7 synchronously; Because parallel arms 1 is fixed with one with center arm 2, all parallel arms 1 C.C.W.s rotations are also just driving all center arm 2 and are rotating counterclockwise synchronously around stub axle 7; Thereafter, each center arm 2 is driving each intermediate rod 3 translation to the right, turns to propulsive effort to pass to track arm 4 through intermediate rod 3, makes all track arm 4 synchronous turning clockwises, and track arm 4 is also just driving all wheels 5 and accomplishing right-hand rotation.
Six connecting rod multi-axle steering systems of the utility model parallel-crank mechanism coupling utilize six bar mechanism, realize that multiaxis turns to simultaneously, and simple in structure, response is rapid, and system better meets the Ackermann steering principle than the series connection Ackermann steering gear.Six connecting rod multi-axle steering system applies of the utility model parallel-crank mechanism coupling are in model car, and model car not only has good crossing ability, and multiaxis while turning efficiency is good on prevailing roadway; Can accomplish the various test requests of model car; Turn to flexibly, stable, reliability is high.
Claims (3)
1. six connecting rod multi-axle steering systems of parallel-crank mechanism coupling; It is characterized in that: be made up of two cover steering hardwarees at least, every cover steering hardware comprises a parallel arms (1), a center arm (2), two intermediate rods (3) and two track arms (4); Parallel arms (1) is vertical setting with center arm (2), and an end of center arm (2) is captiveed joint with the middle part of parallel arms (1); One end of the other end of center arm (2) and two intermediate rods (3) is hinged, and these two intermediate rods (3) lay respectively at the both sides of center arm (2) other end end; The other end of each intermediate rod (3) also is hinged with an end of track arm (4), and the other end of track arm (4) is provided with wheel (5); All parallel arms (1) of many cover steering hardwarees are set in parallel, and the end of adjacent two parallel arms (1) homonymy connects through center pull rod (6).
2. six connecting rod multi-axle steering systems according to claim 1 is characterized in that: the end of the two ends of said center pull rod (6) and adjacent two parallel arms (1) homonymy is hinged.
3. six connecting rod multi-axle steering systems according to claim 2 is characterized in that: be arranged alternately about the end that said many center pull rod (6) are positioned at parallel arms (1) is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120215298XU CN202163484U (en) | 2011-06-23 | 2011-06-23 | Six-link multi-shaft steering system coupled by parallelogram mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120215298XU CN202163484U (en) | 2011-06-23 | 2011-06-23 | Six-link multi-shaft steering system coupled by parallelogram mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202163484U true CN202163484U (en) | 2012-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120215298XU Expired - Fee Related CN202163484U (en) | 2011-06-23 | 2011-06-23 | Six-link multi-shaft steering system coupled by parallelogram mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN202163484U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217306A (en) * | 2013-03-22 | 2013-07-24 | 西安理工大学 | Experiment table for six-linkage multi-axial steering system |
| CN104443027A (en) * | 2014-12-09 | 2015-03-25 | 湖北航天技术研究院特种车辆技术中心 | Multi-axle vehicle steering method and system |
| CN104670303A (en) * | 2013-11-29 | 2015-06-03 | 刘海鹏 | Multi-wheel vehicle mechanical universal steering control mechanism and boosting mode and auxiliary method thereof |
| CN104816757A (en) * | 2015-05-07 | 2015-08-05 | 马洪斌 | Car front-wheel suspension steering mechanism |
| CN111452870A (en) * | 2020-04-23 | 2020-07-28 | 郑庆华 | Towed vehicle basic principle mechanism with steering axle and non-steering axle capable of being parallel during steering |
-
2011
- 2011-06-23 CN CN201120215298XU patent/CN202163484U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217306A (en) * | 2013-03-22 | 2013-07-24 | 西安理工大学 | Experiment table for six-linkage multi-axial steering system |
| CN103217306B (en) * | 2013-03-22 | 2015-09-30 | 西安理工大学 | Six-bar linkage multi-axis steering system Special experimental platform |
| CN104670303A (en) * | 2013-11-29 | 2015-06-03 | 刘海鹏 | Multi-wheel vehicle mechanical universal steering control mechanism and boosting mode and auxiliary method thereof |
| CN104443027A (en) * | 2014-12-09 | 2015-03-25 | 湖北航天技术研究院特种车辆技术中心 | Multi-axle vehicle steering method and system |
| CN104816757A (en) * | 2015-05-07 | 2015-08-05 | 马洪斌 | Car front-wheel suspension steering mechanism |
| CN111452870A (en) * | 2020-04-23 | 2020-07-28 | 郑庆华 | Towed vehicle basic principle mechanism with steering axle and non-steering axle capable of being parallel during steering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20150623 |
|
| EXPY | Termination of patent right or utility model |