CN102079328B - Front steering device capable of changing wheel span and ground clearance - Google Patents
Front steering device capable of changing wheel span and ground clearance Download PDFInfo
- Publication number
- CN102079328B CN102079328B CN201110000166XA CN201110000166A CN102079328B CN 102079328 B CN102079328 B CN 102079328B CN 201110000166X A CN201110000166X A CN 201110000166XA CN 201110000166 A CN201110000166 A CN 201110000166A CN 102079328 B CN102079328 B CN 102079328B
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- steering
- spline housing
- inner spline
- castellated shaft
- gear
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Abstract
The invention discloses a front steering device capable of changing wheel span and ground clearance. The front steering device capable of changing the wheel span and the ground clearance comprises a steering shaft, a left wheel steering device, a right steering device, a left and right steering linkage device, a ground clearance adjusting device and a wheel span adjusting device, wherein the left and right steering linkage device comprises a steering transverse pull rod device arranged between the left wheel steering device and the right steering device; a left transmission device is arranged between the steering transverse pull rod device and the left wheel steering device; a right transmission device is arranged between the steering transverse pull rod device and the right steering device; the ground clearance adjusting device comprises a ground clearance left adjustment device and a ground clearance right adjustment device which are arranged on the left wheel steering device and the right steering device respectively; and the wheel span adjusting device is arranged on the steering transverse pull rod device. The ground clearance adjusting device can adjust the ground clearance conveniently, so that the requirement of crop height on vehicle trafficability is met; and the wheel span adjusting device can adjust the wheel span conveniently, so that different ridge widths are adapted. The front steering device capable of changing the wheel span and the ground clearance has the advantages of reasonable structure, reliable function and convenience of adjustment.
Description
Technical field
The present invention relates to a kind of vehicle steering device, relate in particular to a kind of steering apparatus that can change the wheelspan and the vehicle in crack, ground.
Background technology
In agricultural production,, when using agri-vehicle to carry out trans-regional operation, usually need adjust the wheelspan of agri-vehicle because the row spacing in the farmland of different regions is not quite similar; In addition, crops are also different at the height of different times, need the crack, ground of adjustment agri-vehicle, to satisfy crops highly to the demand of trafficability.But; After existing flexible wheel base became crack, agri-vehicle flexible wheel base change ground, crack, ground, the preceding steering swivel system of trac. adapted to flexible wheel base and becomes crack, ground ability, and two steering front wheeles turn to respectively; The break-in poor synchronization of two front-wheels; Cause and control difficulty, cause safety misadventure easily, and the steering apparatus fault rate is higher.
Summary of the invention
Technical matters to be solved by this invention provides a kind of rational in infrastructure, reliable in function, adjust accurately that flexible wheel base becomes steering hardware before the crack, ground.
For solving the problems of the technologies described above, technical scheme of the present invention is: flexible wheel base becomes steering hardware before the crack, ground, comprising:
Bearing circle is rotatably installed on the vehicle frame;
The revolver steering hardware; Comprise the left steering inner spline housing; Said left steering inner spline housing lower end is plugged with and adapts to the left pull castellated shaft that the crack, ground changes, and the lower end of said left pull castellated shaft is connected with left gear tooth bar transmission system, and the mouth of said left gear rack gear arrangement is hinged with left lever; Said left lever is hinged with left tie rod arm, and said left tie rod arm is hinged with the left steering joint; Said left gear tooth bar transmission system is fixedly mounted on the left wheel vehicle bridge;
Right wheel steering hardware; Comprise the right steering inner spline housing; Said right steering inner spline housing lower end is plugged with and adapts to the right pull castellated shaft that the crack, ground changes, and the lower end of said right pull castellated shaft is connected with right gear tooth bar transmission system, and the mouth of said right gear rack gear arrangement is hinged with right pull bar; Said right pull bar is hinged with right tie rod arm, and said right tie rod arm is hinged with the right steering joint; Said right gear tooth bar transmission system is fixedly mounted on the right wheel and axle;
Turn to horizontal linkage; Comprise the interlock inner spline housing that is rotatably installed on the vehicle frame; The two ends of said interlock inner spline housing are plugged with moving castellated shaft of the Left-wing Federation that adapts to tread change and right interlock castellated shaft respectively; Be rotationally connected through finishing bevel gear cuter between moving castellated shaft of the said Left-wing Federation and the said left steering inner spline housing, be rotationally connected through finishing bevel gear cuter between said right interlock castellated shaft and the said right steering inner spline housing;
The steering power transfer device is arranged between said bearing circle and said left steering inner spline housing or the said right steering inner spline housing.
As optimized technical scheme; Said steering power transfer device comprises universal-joint; One end closure dish axle of said universal-joint, the other end of said universal-joint connects said left steering inner spline housing or said right steering inner spline housing, and said universal-joint is the adjustable length universal-joint.
As improvement, be plugged with the adjusting castellated shaft between said universal-joint and said left steering inner spline housing or the said right steering inner spline housing to technique scheme.
As the improvement to technique scheme, said left gear tooth bar transmission system comprises the gear that is fixedly installed on said left pull castellated shaft lower end, and said gear mesh has tooth bar.
As the improvement to technique scheme, said right gear tooth bar transmission system comprises the gear that is fixedly installed on said right pull castellated shaft lower end, and said gear mesh has tooth bar.
Owing to adopted technique scheme, flexible wheel base becomes steering hardware before the crack, ground, and comprising: bearing circle is rotatably installed on the vehicle frame; The revolver steering hardware; Comprise the left steering inner spline housing; Said left steering inner spline housing lower end is plugged with and adapts to the left pull castellated shaft that the crack, ground changes, and the lower end of said left pull castellated shaft is connected with left gear tooth bar transmission system, and the mouth of said left gear rack gear arrangement is hinged with left lever; Said left lever is hinged with left tie rod arm, and said left tie rod arm is hinged with the left steering joint; Said left gear tooth bar transmission system is fixedly mounted on the left wheel vehicle bridge; Right wheel steering hardware; Comprise the right steering inner spline housing; Said right steering inner spline housing lower end is plugged with and adapts to the right pull castellated shaft that the crack, ground changes, and the lower end of said right pull castellated shaft is connected with right gear tooth bar transmission system, and the mouth of said right gear rack gear arrangement is hinged with right pull bar; Said right pull bar is hinged with right tie rod arm, and said right tie rod arm is hinged with the right steering joint; Said right gear tooth bar transmission system is fixedly mounted on the right wheel and axle; Turn to horizontal linkage; Comprise the interlock inner spline housing that is rotatably installed on the vehicle frame; The two ends of said interlock inner spline housing are plugged with moving castellated shaft of the Left-wing Federation that adapts to tread change and right interlock castellated shaft respectively; Be rotationally connected through finishing bevel gear cuter between moving castellated shaft of the said Left-wing Federation and the said left steering inner spline housing, be rotationally connected through finishing bevel gear cuter between said right interlock castellated shaft and the said right steering inner spline housing; The steering power transfer device is arranged between said bearing circle and said left steering inner spline housing or the said right steering inner spline housing.When while adjusting knurl distance and/or crack, ground; The present invention adapts to the variation of wheelspan through the moving castellated shaft of the Left-wing Federation and the pull of right interlock castellated shaft; Adapt to the variation in crack, ground through the pull of left pull castellated shaft and right pull castellated shaft; Bearing circle then adapts to the variation of relative position between bearing circle and the wheel through the steering power transfer device; Like this, the present invention just can along with the variation of distance between wheel and the wheel, between car body and the wheel automatically, failure-free adapts to, and the present invention has the advantage of rational in infrastructure, reliable in function, control comfort.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the structural representation after embodiment of the invention wheelspan increases;
Fig. 3 is the structural representation after embodiment of the invention wheelspan increases with the crack, ground;
Among the figure: the 1-bearing circle; The 2-vehicle frame; 3-left steering inner spline housing; 31-left side pull castellated shaft; 32-left gear tooth bar transmission system; The 33-left lever; 34-left side tie rod arm; 35-left steering joint; 41-left wheel vehicle bridge; The right wheel and axle of 42-; 5-right steering inner spline housing; The right pull castellated shaft of 51-; 52-right gear tooth bar transmission system; The right pull bar of 53-; The right tie rod arm of 54-; 55-right steering joint; The 6-inner spline housing that links; Castellated shaft moves in the 61-Left-wing Federation; The right interlock of 62-castellated shaft; The 7-universal-joint; 8-regulates castellated shaft.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, further set forth the present invention.In the detailed description below, only some example embodiment of the present invention has been described through the mode of explanation.Undoubtedly, those of ordinary skill in the art can recognize, under situation without departing from the spirit and scope of the present invention, can revise described embodiment with various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than is used to limit the protection domain of claim.
As shown in Figure 1, flexible wheel base becomes steering hardware before the crack, ground, comprising:
The revolver steering hardware; Comprise left steering inner spline housing 3; Said left steering inner spline housing 3 lower ends are plugged with and adapt to the left pull castellated shaft 31 that the crack, ground changes, and the lower end of said left pull castellated shaft 31 is connected with left gear tooth bar transmission system 32, and the mouth of said left gear tooth bar transmission system 32 is hinged with left lever 33; Said left lever 33 is hinged with left tie rod arm 34, and said left tie rod arm 34 is hinged with left steering joint 35; Said left gear tooth bar transmission system 32 is fixedly mounted on the left wheel vehicle bridge 41;
Right wheel steering hardware; Comprise right steering inner spline housing 5; Said right steering inner spline housing 5 lower ends are plugged with and adapt to the right pull castellated shaft 51 that the crack, ground changes, and the lower end of said right pull castellated shaft 51 is connected with right gear tooth bar transmission system 52, and the mouth of said right gear tooth bar transmission system 52 is hinged with right pull bar 53; Said right pull bar 53 is hinged with right tie rod arm 54, and said right tie rod arm 54 is hinged with right steering joint 55; Said right gear tooth bar transmission system 52 is fixedly mounted on the right wheel and axle 42;
Turn to horizontal linkage; Comprise the interlock inner spline housing 6 that is rotatably installed on the vehicle frame 2; The two ends of said interlock inner spline housing 6 are plugged with moving castellated shaft 61 of the Left-wing Federation that adapts to tread change and right interlock castellated shaft 62 respectively; Be rotationally connected through finishing bevel gear cuter between moving castellated shaft 61 of the said Left-wing Federation and the said left steering inner spline housing 3, be rotationally connected through finishing bevel gear cuter between said right interlock castellated shaft 62 and the said right steering inner spline housing 5;
The steering power transfer device is arranged between said bearing circle 1 and the said left steering inner spline housing 3.Said steering power transfer device comprises universal-joint 7; One end closure dish axle of said universal-joint 7; The other end of said universal-joint 7 connects said left steering inner spline housing 3; Said universal-joint 7 is the adjustable length universal-joint, is plugged with between said universal-joint 7 and the said left steering inner spline housing 3 to regulate castellated shaft 81.In the present embodiment, as a kind of simple substitute on the technical scheme, the steering power transfer device also can be arranged between said bearing circle 1 and the said right steering inner spline housing 5.
Said left gear tooth bar transmission system 32 comprises the gear (not shown) that is fixedly installed on said left pull castellated shaft 31 lower ends, and said gear mesh has tooth bar.Said right gear tooth bar transmission system 52 comprises the gear (not shown) that is fixedly installed on said right pull castellated shaft 51 lower ends, and said gear mesh has tooth bar.
The principle of work of present embodiment is following: steering wheel rotation 1; Moment of torsion direction of passage dish passes to universal-joint 7; Universal-joint 7 passes to left steering inner spline housing 3 through regulating castellated shaft 8 with moment of torsion then; The moment of torsion transmission of left steering inner spline housing 3 has both direction: 1. left steering inner spline housing 3 passes to left pull castellated shaft 31 with moment of torsion, and left pull castellated shaft 31 passes to the near front wheel through left gear tooth bar transmission system 32, left lever 33, left tie rod arm 34, left steering joint 35 with moment of torsion; 2. left steering inner spline housing 3 passes to the moving castellated shaft 61 of the Left-wing Federation through finishing bevel gear cuter with moment of torsion; The moving castellated shaft 61 of the Left-wing Federation passes to interlock inner spline housing 6 with moment of torsion; Interlock inner spline housing 6 passes to right interlock castellated shaft 62 with moment of torsion; Right interlock castellated shaft 62 passes to right steering inner spline housing 5 through finishing bevel gear cuter with moment of torsion; Right steering inner spline housing 5 passes to right pull castellated shaft 51 with moment of torsion, and right pull castellated shaft 51 passes to off front wheel through right gear tooth bar transmission system 52, right pull bar 53, right tie rod arm 54, right steering joint 55 with moment of torsion; In the moment of torsion transmittance process, through transfer routes such as universal-joint, spline fitted, rack-and-gears, the rotational angle transmission is accurate, and transfer torque is big, reliable operation.
As shown in Figure 2, when adjusting knurl apart from the time, the present invention adapts to the variation of wheelspan through the moving castellated shaft 61 of the Left-wing Federation and the pull of right interlock castellated shaft 62,1 of bearing circle is through universal-joint 7 and regulate the variation that castellated shaft 8 adapts to relative position between bearing circle 1 and the wheel.
As shown in Figure 3; When while adjusting knurl distance and crack, ground; The present invention adapts to the variation of wheelspan through the moving castellated shaft 61 of the Left-wing Federation and the pull of right interlock castellated shaft 62; Adapt to the variation in crack, ground through the pull of left pull castellated shaft 31 and right pull castellated shaft 51,1 of bearing circle is through universal-joint 7 and regulate the variation that castellated shaft 8 adapts to relative position between bearing circle 1 and the wheel.
More than show and described groundwork of the present invention, principal character and advantage of the present invention.The technical personnel of the industry should be understood; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification sheets just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (5)
1. flexible wheel base becomes steering hardware before the crack, ground, it is characterized in that, comprising:
Bearing circle is rotatably installed on the vehicle frame;
The revolver steering hardware; Comprise the left steering inner spline housing; Said left steering inner spline housing lower end is plugged with and adapts to the left pull castellated shaft that the crack, ground changes, and the lower end of said left pull castellated shaft is connected with left gear tooth bar transmission system, and the mouth of said left gear rack gear arrangement is hinged with left lever; Said left lever is hinged with left tie rod arm, and said left tie rod arm is hinged with the left steering joint; Said left gear tooth bar transmission system is fixedly mounted on the left wheel vehicle bridge;
Right wheel steering hardware; Comprise the right steering inner spline housing; Said right steering inner spline housing lower end is plugged with and adapts to the right pull castellated shaft that the crack, ground changes, and the lower end of said right pull castellated shaft is connected with right gear tooth bar transmission system, and the mouth of said right gear rack gear arrangement is hinged with right pull bar; Said right pull bar is hinged with right tie rod arm, and said right tie rod arm is hinged with the right steering joint; Said right gear tooth bar transmission system is fixedly mounted on the right wheel and axle;
Turn to horizontal linkage; Comprise the interlock inner spline housing that is rotatably installed on the vehicle frame; The two ends of said interlock inner spline housing are plugged with moving castellated shaft of the Left-wing Federation that adapts to tread change and right interlock castellated shaft respectively; Be rotationally connected through finishing bevel gear cuter between moving castellated shaft of the said Left-wing Federation and the said left steering inner spline housing, be rotationally connected through finishing bevel gear cuter between said right interlock castellated shaft and the said right steering inner spline housing;
The steering power transfer device is arranged between said bearing circle and said left steering inner spline housing or the said right steering inner spline housing.
2. flexible wheel base as claimed in claim 1 becomes steering hardware before the crack, ground; It is characterized in that; Said steering power transfer device comprises universal-joint; One end closure dish axle of said universal-joint, the other end of said universal-joint connects said left steering inner spline housing or said right steering inner spline housing, and said universal-joint is the adjustable length universal-joint.
3. flexible wheel base as claimed in claim 2 becomes steering hardware before the crack, ground, it is characterized in that, is plugged with the adjusting castellated shaft between said universal-joint and said left steering inner spline housing or the said right steering inner spline housing.
4. like steering hardware before claim 1, the crack, 2 or 3 described flexible wheel bases change ground, it is characterized in that said left gear tooth bar transmission system comprises the gear that is fixedly installed on said left pull castellated shaft lower end, said gear mesh has tooth bar.
5. like steering hardware before claim 1, the crack, 2 or 3 described flexible wheel bases change ground, it is characterized in that said right gear tooth bar transmission system comprises the gear that is fixedly installed on said right pull castellated shaft lower end, said gear mesh has tooth bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110000166XA CN102079328B (en) | 2011-01-04 | 2011-01-04 | Front steering device capable of changing wheel span and ground clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110000166XA CN102079328B (en) | 2011-01-04 | 2011-01-04 | Front steering device capable of changing wheel span and ground clearance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102079328A CN102079328A (en) | 2011-06-01 |
| CN102079328B true CN102079328B (en) | 2012-07-25 |
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ID=44085573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110000166XA Expired - Fee Related CN102079328B (en) | 2011-01-04 | 2011-01-04 | Front steering device capable of changing wheel span and ground clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102079328B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102372029A (en) * | 2011-07-23 | 2012-03-14 | 青岛理工大学 | Multi-axle automobile electric control all-wheel steering system |
| CN102907196B (en) * | 2012-11-15 | 2016-01-20 | 莱恩农业装备有限公司 | The dual-purpose vehicle frame of field cleaning device and rice transplanter |
| CN103448797B (en) * | 2013-09-03 | 2015-12-09 | 中国农业大学 | Wheelspan adjustment steering linkage |
| CN103465964B (en) * | 2013-09-03 | 2016-04-13 | 中国农业大学 | Adapt to the steering hardware of wheelspan adjustment vehicle |
| CN112776876A (en) * | 2019-11-08 | 2021-05-11 | 广西汽车集团有限公司 | Multi-axle vehicle and double-front-axle rack-and-pinion steering system thereof |
| CN112224278B (en) * | 2020-10-19 | 2021-11-09 | 安徽江田环卫设备股份有限公司 | Steering device and auxiliary warning system of electric sanitation truck |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU546272A3 (en) * | 1969-06-30 | 1977-02-05 | Чкд Оборовы Подник (Инопредприятие) | Steering for a vehicle with all steering wheels |
| FR2678888A1 (en) * | 1991-07-09 | 1993-01-15 | Arnaud Freres Sa | Straddle tractor with adjustable gauge (track) |
| CN101323253A (en) * | 2008-07-26 | 2008-12-17 | 上海中上汽车科技有限公司 | Differential drive axle |
| CN201410981Y (en) * | 2009-02-19 | 2010-02-24 | 中国一拖集团有限公司 | Tractor steering axle capable of adjusting ground clearance |
| CN101857048A (en) * | 2010-06-02 | 2010-10-13 | 山东五征集团有限公司 | Vehicle drive axle with adjustable wheel track and ground clearance |
| CN201980290U (en) * | 2011-01-04 | 2011-09-21 | 山东五征集团有限公司 | Variable wheel-distance and variable ground-clearance front steering device |
-
2011
- 2011-01-04 CN CN201110000166XA patent/CN102079328B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU546272A3 (en) * | 1969-06-30 | 1977-02-05 | Чкд Оборовы Подник (Инопредприятие) | Steering for a vehicle with all steering wheels |
| FR2678888A1 (en) * | 1991-07-09 | 1993-01-15 | Arnaud Freres Sa | Straddle tractor with adjustable gauge (track) |
| CN101323253A (en) * | 2008-07-26 | 2008-12-17 | 上海中上汽车科技有限公司 | Differential drive axle |
| CN201410981Y (en) * | 2009-02-19 | 2010-02-24 | 中国一拖集团有限公司 | Tractor steering axle capable of adjusting ground clearance |
| CN101857048A (en) * | 2010-06-02 | 2010-10-13 | 山东五征集团有限公司 | Vehicle drive axle with adjustable wheel track and ground clearance |
| CN201980290U (en) * | 2011-01-04 | 2011-09-21 | 山东五征集团有限公司 | Variable wheel-distance and variable ground-clearance front steering device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102079328A (en) | 2011-06-01 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20120725 Termination date: 20170104 |