CN106275070B - Wheel steering mechanism and vehicle - Google Patents
Wheel steering mechanism and vehicle Download PDFInfo
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- CN106275070B CN106275070B CN201510283039.3A CN201510283039A CN106275070B CN 106275070 B CN106275070 B CN 106275070B CN 201510283039 A CN201510283039 A CN 201510283039A CN 106275070 B CN106275070 B CN 106275070B
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- tie point
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- line
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Abstract
The invention discloses a kind of wheel steering mechanism and vehicles, wherein, wheel steering mechanism includes axle, first wheel and the second wheel, it is respectively arranged with the first knuckle and the second knuckle on first wheel and the second wheel, first knuckle has the first tie point, second knuckle has the second tie point, the wheel steering mechanism further includes transfer and returning device, transfer includes the first rotary drive unit and the first drag-line, the both ends of first drag-line are connected to the first tie point and the second tie point, the output shaft of first rotary drive unit can drive the first drag-line to be wound into thereon, so that two wheel reverse deflections, returning device can make the wheel return after deflection.The vehicle includes the wheel steering mechanism.The wheel steering mechanism of the present invention can be such that two wheels are deflected towards different directions to be in " eight words " shape arrangement, to meet a variety of steering demands.
Description
Technical field
The present invention relates to wheel steering system fields, and in particular, to a kind of wheel steering mechanism and turns with the wheel
To the vehicle of mechanism.
Background technology
Currently, Vehicular turn is all realized by steering gear, mechanical steering system, electric boosting steering system, hydraulic booster
Steering etc. will use steering gear to realize, input shaft is intended to the steering from steering wheel is transmitted, and passes through sensor
Signal is passed into assist motor, assist motor and deceleration mechanism finally convert torque in the lateral displacement thrust of rack, tooth
Item pushes wheel steering.Steering gear in above-mentioned steering mechanism, usually by gear input shaft, rack, outside link turns to horizontal drawing
Bar, the component assemblies such as steering gear housing form, and the high assembly precision of the rack and pinion mechanism part accuracy of manufacture is high, and manufacturing cost is high,
In order to which assembling gear rack structure will design installation shell, shell volume is big, and quality weight, volume is arranged on vehicle chassis greatly
Difficulty, quality increase complete vehicle weight and are adversely affected to reducing automobile fuel consumption again.
Also, in the steering gear of the prior art, steering gear length is uncontrollable, allows for two knuckles in this way
The distance between can not change, two deflecting rollers can only deflect in the same direction, cannot be satisfied a variety of steering demands.
Invention content
The object of the present invention is to provide a kind of wheel steering mechanisms disclosure satisfy that a variety of steering demands.
To achieve the goals above, the present invention provides a kind of wheel steering mechanism, including axle and is mounted on the axle two
First wheel and the second wheel at end are respectively arranged with the first knuckle and second on first wheel and the second wheel and turn to
Section, first knuckle have the first tie point, second knuckle have the second tie point, first tie point and
Second tie point is located at the same side of the axle, wherein and the wheel steering mechanism further includes transfer and returning device,
The transfer includes the first rotary drive unit and the first drag-line, and the both ends of first drag-line are connected to described the
The output shaft of one tie point and the second tie point, first rotary drive unit can drive first drag-line to be wound into it
On, so that first wheel and the second wheel reverse deflection, the returning device can make first wheel after deflection
With the second wheel return.
Preferably, reel is provided on the output shaft of first rotary drive unit, first drag-line is wrapped in
On the reel.
Preferably, first rotary drive unit is motor.
Preferably, first knuckle also has a third tie point, the third tie point be located at the axle with institute
The opposite side of the first tie point is stated, also there is second knuckle the 4th tie point, the 4th tie point to be located at the vehicle
The side opposite with second tie point of axis, the returning device include the second rotary drive unit and the second drag-line, institute
The both ends for stating the second drag-line are connected to the third tie point and the 4th tie point, second rotary drive unit it is defeated
Shaft can drive second drag-line to be wound into thereon, so that second drag-line shortens.
Preferably, the transfer is identical with returning device structure.
Preferably, first knuckle also has tie point and the before be located at the axle front and rear sides first
One rear tie points, second knuckle also have be located at the axle front and rear sides second before after tie point and second
Tie point, the returning device include the first returning device and the second returning device, and first returning device includes the second rotation
Turn driving unit and the second drag-line, the second returning device includes third rotary drive unit and third drag-line, second drag-line
Both ends be connected to described first before tie point and the second rear tie points, the output shaft energy of second rotary drive unit
Second drag-line is enough driven to be wound into thereon, so that second drag-line shortens；The both ends of the third drag-line are separately connected
The output shaft of the tie point before first rear tie points and second, the third rotary drive unit can drive the third
Drag-line is wound into thereon, so that the third drag-line shortens.
Preferably, tie point before tie point, the first rear tie points, second before described first, the second rear tie points are to described
The distance of axle is equal.
Preferably, tie point is identical with first tie point position before described first, tie point and institute before described second
It is identical to state the second tie point position.
Preferably, the transfer, the first returning device and the second returning device structure are identical.
The present invention also provides a kind of vehicle, wheel steering mechanism as described above is provided on the vehicle.
Preferably, the front and rear of the vehicle is both provided with the wheel steering mechanism, in the institute positioned at front part of vehicle
It states in wheel steering mechanism, first tie point and the second tie point are located at the front side of the axle；Positioned at vehicle rear
The wheel steering mechanism in, first tie point and the second tie point are located at the rear side of the axle.
In the wheel steering mechanism of the present invention, when the output shaft of the first rotary drive unit rotates in the forward direction, first draws
Rope is gradually wrapped on output shaft, to pull the first tie point and the second tie point, so that the spacing of two tie points becomes smaller,
To make the first wheel and the second wheel be deflected towards different directions to be in " eight words " shape arrangement, to meet a variety of of vehicle
Steering demand.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, an and part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of schematic diagram of the wheel steering mechanism of embodiment according to the present invention；
Fig. 2 is the schematic diagram of the wheel steering mechanism of another embodiment according to the present invention；
Fig. 3 is a kind of partial schematic diagram of embodiment of transfer；
Fig. 4 is that two wheels of wheel steering mechanism according to the present invention are deflected into the schematic diagram of "eight" shape；
Fig. 5 is the schematic diagram that wheel steering mechanism according to the present invention deflects to the right；
Fig. 6 is the schematic diagram that wheel steering mechanism according to the present invention deflects to the left；
Fig. 7 is a kind of schematic diagram of the vehicle of embodiment according to the present invention；
Fig. 8 is the schematic diagram that vehicle according to the invention is in phase reversal steering pattern；
Fig. 9 is the schematic diagram that vehicle according to the invention is in diagonal steering pattern.
Figure 10 is the schematic diagram that vehicle according to the invention is in pivot stud pattern.
Reference sign
1 first 2 second wheel of wheel, 3 axle
4 first tie point, 5 second tie point, 61 first rotary drive unit
62 first drag-line, 71 second rotary drive unit, 72 second drag-line
8 the 4th tie point of third tie point 9,101 third rotary drive unit
12 first rear tie points of tie point before 102 third drag-lines 11 first
14 second rear tie points of tie point before 13 second
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific implementation mode stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " forward and backward " is the vehicle in the present invention
What wheel steering mechanism defined in the state of being installed on vehicle；" left and right " typically refers to the left and right of respective drawings page.
As depicted in figs. 1 and 2, the present invention provides a kind of wheel steering mechanism, including axle 3 and is mounted on 3 liang of the axle
First wheel 1 and the second wheel 2 at end are respectively arranged with the first knuckle and second on the first wheel 1 and the second wheel 2 and turn to
There is the first tie point 4, second knuckle to have the second tie point 5,4 He of the first tie point for section, first knuckle
Second tie point 5 is located at the same side of axle 3, wherein the wheel steering mechanism further includes transfer and returning device, institute
It includes the first rotary drive unit 61 and the first drag-line 62 to state transfer, and the both ends of the first drag-line 62 are connected to the first company
The output shaft 611 of contact 4 and the second tie point 5, the first rotary drive unit 61 can drive the first drag-line 62 to be wound into thereon,
So that 2 reverse deflection of the first wheel 1 and the second wheel, the returning device can make the first wheel 1 and the second vehicle after deflection
Take turns 2 returns.
In the wheel steering mechanism of the present invention, when the output shaft 611 of the first rotary drive unit 61 rotates in the forward direction, the
One drag-line 62 is gradually wrapped on output shaft 611, to pull the first tie point 4 and the second tie point 5, so that two tie points
Spacing become smaller, to make the first wheel 1 and the second wheel 2 be deflected towards different direction to be in that " eight words " shape arranges (such as Fig. 4
It is shown), to meet a variety of steering demands of vehicle.
Here, the first rotary drive unit 61 for example can be motor or hydraulic motor.
The winding of first drag-line 62 for convenience, it is preferable that as shown in figure 3, the output shaft of the first rotary drive unit 61
Reel 63 is provided on 611, first drag-line 62 is wound on the reel 63.
It should be understood that the first drag-line 62 can be formed as whole drag-line, can also include two drawings being separated from each other
Rope section.
It, as an implementation, can be by the first drag-line 62 in the case where the first drag-line 62 is formed as whole drag-line
Middle part is a little fixed on reel 63；As another embodiment, can be offered radially on reel 63
The through-hole of extension, and the first drag-line 62 is made to pass through the through-hole.
In the case where the first drag-line 62 includes two drag-line sections being separated from each other, as an implementation, can incite somebody to action
The both ends of one drag-line section are connected on the first tie point 4 and reel 63, and the both ends of another drag-line section are connected respectively
It is connected on the second tie point 5 and reel 63.
The returning device can have various appropriate configurations.As an implementation, as shown in Figure 1, described first
Knuckle also has third tie point 8, which is located at the side opposite with the first tie point 4 of axle 3, described
Also there is second knuckle the 4th tie point 9, the 4th tie point 9 to be located at the side opposite with the second tie point 5 of axle 3,
The returning device includes the second rotary drive unit 71 and the second drag-line 72, and the both ends of the second drag-line 72 are connected to third
The output shaft of tie point 8 and the 4th tie point 9, the second rotary drive unit 71 can drive the second drag-line 72 to be wound into thereon,
So that the second drag-line 72 shortens.Here, the structure and operation principle of the returning device can be identical as the transfer,
This is repeated no more.
In this embodiment, after reverse deflection occurs for the first wheel 1 and the second wheel 2, second can be started
Rotary drive unit 71 rotates in the forward direction, so that the second drag-line 72 shortens, and starts the first rotary drive unit 61 and reversely rotates,
So that the first drag-line 62 extends, to make 2 return of the first wheel 1 and the second wheel.
As another embodiment, as shown in Fig. 2, first knuckle is also with before being located at the axle 3
Tie point 11 and the first rear tie points 12 before the first of both sides afterwards, second knuckle, which also has, to be located at before and after axle 3
Tie point 13 and the second rear tie points 14 before the second of both sides, the returning device include that the first returning device and the second return fill
It sets, first returning device includes the second rotary drive unit 71 and the second drag-line 72, and the second returning device includes third rotation
Turn driving unit 101 and third drag-line 102, connects after tie point 11 and second before the both ends of the second drag-line 72 are connected to first
The output shaft of contact 14, the second rotary drive unit 71 can drive the second drag-line 72 to be wound into thereon, so that the second drag-line 72
Shorten；The both ends of third drag-line 102 are connected to tie point 13 before the first rear tie points 12 and second, and third rotation driving is single
The output shaft of member 101 can drive third drag-line 102 to be wound into thereon, so that third drag-line 102 shortens.Here, described first
The structure and working principle of returning device and the second returning device can be identical as the transfer respectively, no longer superfluous herein
It states.
It in this embodiment, can after reverse deflection (as shown in Figure 4) occurs for the first wheel 1 and the second wheel 2
It is rotated in the forward direction with starting the second rotary drive unit 71 first, so that the second drag-line 72 shortens, and starts third rotation driving
Unit 101 reversely rotates, so that third drag-line 102 extends, while starting the first rotary drive unit 61 and reversely rotating, so that the
One drag-line 62 extends, and to make the first wheel 1 and the second wheel 2 all deflect (as shown in Figure 5) to the right, then starts third rotation
Driving unit 101 rotates in the forward direction, so that third drag-line 102 shortens, and starts the second rotary drive unit 71 and reversely rotates, with
The second drag-line 72 is set to extend, to make the first wheel 1 and 2 return of the second wheel (as shown in Figure 2).Similarly, in 1 He of the first wheel
After reverse deflection (as shown in Figure 4) occurs for the second wheel 2, the positive rotation of third rotary drive unit 101 can also be started first
Turn, so that third drag-line 102 shortens, and starts the second rotary drive unit 71 and reversely rotates, so that the second drag-line 72 extends,
Start the first rotary drive unit 61 simultaneously to reversely rotate, so that the first drag-line 62 extends, to make the first wheel 1 and the second vehicle
Wheel 2 all deflects (as shown in Figure 6) to the left, then starts the second rotary drive unit 71 and rotates in the forward direction, so that the second drag-line 72 contracts
It is short, and start the reverse rotation of third rotary drive unit 101, so that third drag-line 102 extends, to make 1 He of the first wheel
Second wheel, 2 return (as shown in Figure 2).
It is easily understood that in this embodiment, the returning device can not only make two after reverse deflection
Wheel return, while can also realize the deflection in the same direction of two wheels.
In order to keep the angle that the first wheel 1 and the second wheel 2 turn over equal, it is preferable that before first after tie point 11, first
Tie point 13 before tie point 12, second, the second rear tie points 14 to axle 3 distance be equal.
In order to simplify the structure of the first knuckle and the second knuckle, it is preferable that as shown in Fig. 2, tie point 11 before first
Identical with 4 position of the first tie point, tie point 13 is identical with 5 position of the second tie point before second.In other words, it connects before first
Point 11 is the same tie point with the first tie point 4, and tie point 13 and the second tie point 5 are the same tie point before second.
As shown in fig. 7, the present invention also provides a kind of vehicle, wheel steering machine according to the present invention is provided on the vehicle
Structure.
The wheel steering mechanism can be arranged in the front and/or rear of vehicle, it is preferable that as shown in fig. 7, the present invention
The front and rear of vehicle be both provided with the wheel steering mechanism, also, in the wheel steering positioned at front part of vehicle
In mechanism, first tie point, 4 and second tie point 5 is located at the front side of the axle 3；In the vehicle positioned at vehicle rear
It takes turns in steering mechanism, first tie point, 4 and second tie point 5 is located at the rear side of the axle 3.In this manner it is possible to make
The vehicle of the present invention has a variety of steering patterns.
Specifically, it is illustrated in figure 8 phase reversal steering, front wheels and rear wheels are deflected towards different directions at this time, in this way can
So that vehicle greatly reduces turning radius, the turning especially suitable for narrow area.
It is illustrated in figure 9 oblique pattern, front wheels and rear wheels are deflected towards the same direction at this time, can be hindered in this way with Emergency avoidance
Hinder object so that headstock and the tailstock move in the same direction, improve travel safety and convenience.
It is pivot stud pattern as shown in Figure 10, a pair of of front-wheel and a pair of rear wheels are arranged in "eight" shape at this time, at this
In the case of kind, so that a pair of of front-wheel is rotated towards different directions by certain mode and make a pair of rear wheels also can be towards difference
Direction rotation, the whole center rotating around vehicle body of vehicle may be implemented, that is, do pivot stud movement.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.Although starting a rotation for example, having been described above
Start one or two other rotary drive unit while driving unit rotates in the forward direction to reversely rotate, still, ability
Field technique personnel can not also start other it is understood that when one rotary drive unit of startup rotates in the forward direction
One or two rotary drive unit, but one or two rotary drive unit for keeping this other using the pulling force of corresponding drag-line
Passively reversely rotated.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (11)
1. a kind of wheel steering mechanism, including axle (3) and the first wheel (1) and the second vehicle mounted on axle (3) both ends
It takes turns (2), is respectively arranged with the first knuckle and the second knuckle on first wheel (1) and the second wheel (2), described first
There is knuckle the first tie point (4), second knuckle to have the second tie point (5), first tie point (4) and the
Two tie points (5) are located at the same side of the axle (3), which is characterized in that the wheel steering mechanism further includes transfer
And returning device, the transfer include the first rotary drive unit (61) and the first drag-line (62), first drag-line
(62) both ends are connected to first tie point (4) and the second tie point (5), first rotary drive unit (61)
Output shaft (611) first drag-line (62) can be driven to be wound into thereon so that first wheel (1) and the second wheel
(2) reverse deflection, the returning device can make first wheel (1) after deflection and the second wheel (2) return.
2. wheel steering mechanism according to claim 1, which is characterized in that first rotary drive unit (61) it is defeated
Reel (63) is provided on shaft (611), first drag-line (62) is wrapped on the reel (63).
3. wheel steering mechanism according to claim 1, which is characterized in that first rotary drive unit (61) is electricity
Machine.
4. the wheel steering mechanism according to any one of claim 1-3, which is characterized in that first knuckle is also
With third tie point (8), which is located at one opposite with the first tie point (4) of the axle (3)
Side, second knuckle also have the 4th tie point (9), the 4th tie point (9) be located at the axle (3) with described the
The opposite side of two tie points (5), the returning device includes the second rotary drive unit (71) and the second drag-line (72), described
The both ends of second drag-line (72) are connected to the third tie point (8) and the 4th tie point (9), the second rotation driving
The output shaft of unit (71) can drive second drag-line (72) to be wound into thereon, so that second drag-line (72) shortens.
5. wheel steering mechanism according to claim 4, which is characterized in that the transfer and returning device structure phase
Together.
6. the wheel steering mechanism according to any one of claim 1-3, which is characterized in that first knuckle is also
With tie point (11) and the first rear tie points (12) before be located at the axle (3) front and rear sides first, described second
Knuckle also has tie point (13) and the second rear tie points (14) before be located at the axle (3) front and rear sides second,
The returning device includes the first returning device and the second returning device, and first returning device includes that the second rotation driving is single
First (71) and the second drag-line (72), the second returning device include third rotary drive unit (101) and third drag-line (102), institute
State the second drag-line (72) both ends be connected to described first before tie point (11) and the second rear tie points (14), described second
The output shaft of rotary drive unit (71) can drive second drag-line (72) to be wound into thereon, so that second drag-line
(72) shorten；The both ends of the third drag-line (102) are connected to tie point before first rear tie points (12) and second
(13), the output shaft of the third rotary drive unit (101) can drive the third drag-line (102) be wound into thereon, with
The third drag-line (102) is set to shorten.
7. wheel steering mechanism according to claim 6, which is characterized in that before described first after tie point (11), first
Tie point (13) before tie point (12), second, the second rear tie points (14) to the axle (3) distance be equal.
8. wheel steering mechanism according to claim 6, which is characterized in that tie point (11) and described before described first
One tie point (4) position is identical, and tie point (13) is identical with the second tie point (5) position before described second.
9. wheel steering mechanism according to claim 6, which is characterized in that the transfer, the first returning device and
Second returning device structure is identical.
10. a kind of vehicle, which is characterized in that be provided with wheel according to any one of claim 1 to 9 on the vehicle and turn
To mechanism.
11. vehicle according to claim 10, which is characterized in that the front and rear of the vehicle is both provided with the wheel
Steering mechanism, in the wheel steering mechanism positioned at front part of vehicle, first tie point (4) and the second tie point (5)
Front side positioned at the axle (3)；In the wheel steering mechanism positioned at vehicle rear, first tie point (4) and
Second tie point (5) is located at the rear side of the axle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510283039.3A CN106275070B (en) | 2015-05-27 | 2015-05-27 | Wheel steering mechanism and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510283039.3A CN106275070B (en) | 2015-05-27 | 2015-05-27 | Wheel steering mechanism and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106275070A CN106275070A (en) | 2017-01-04 |
| CN106275070B true CN106275070B (en) | 2018-10-16 |
Family
ID=57635577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510283039.3A Active CN106275070B (en) | 2015-05-27 | 2015-05-27 | Wheel steering mechanism and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106275070B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107323524A (en) * | 2017-07-20 | 2017-11-07 | 浙江国自机器人技术有限公司 | A kind of mobile chassis and moving method of place crusing robot |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07329814A (en) * | 1994-06-14 | 1995-12-19 | Sanwa Unyu Kogyo Kk | Rear wheel steering device for u-type frame vehicle |
| JP2008126998A (en) * | 2006-11-17 | 2008-06-05 | Yutaka Abe | Steering device for completely concentrating axle directions of whole wheels |
| CN101873961A (en) * | 2007-11-22 | 2010-10-27 | 丰田自动车株式会社 | Vehicle steering device |
| CN203126949U (en) * | 2013-02-22 | 2013-08-14 | 同济大学 | Drive-by-wire independent steering system of cable transmission two-transverse-arm suspension frame |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980054196U (en) * | 1996-12-31 | 1998-10-07 | 조희재 | I / Q demodulation circuit of tuner for digital satellite broadcasting reception |
-
2015
- 2015-05-27 CN CN201510283039.3A patent/CN106275070B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07329814A (en) * | 1994-06-14 | 1995-12-19 | Sanwa Unyu Kogyo Kk | Rear wheel steering device for u-type frame vehicle |
| JP2008126998A (en) * | 2006-11-17 | 2008-06-05 | Yutaka Abe | Steering device for completely concentrating axle directions of whole wheels |
| CN101873961A (en) * | 2007-11-22 | 2010-10-27 | 丰田自动车株式会社 | Vehicle steering device |
| CN203126949U (en) * | 2013-02-22 | 2013-08-14 | 同济大学 | Drive-by-wire independent steering system of cable transmission two-transverse-arm suspension frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106275070A (en) | 2017-01-04 |
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