CN107140015A - A kind of double-front axle automobile steering system - Google Patents
A kind of double-front axle automobile steering system Download PDFInfo
- Publication number
- CN107140015A CN107140015A CN201710362483.3A CN201710362483A CN107140015A CN 107140015 A CN107140015 A CN 107140015A CN 201710362483 A CN201710362483 A CN 201710362483A CN 107140015 A CN107140015 A CN 107140015A
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- China
- Prior art keywords
- propons
- servo
- cylinder
- hand rotation
- flexibly connected
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/16—Arrangement of linkage connections
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
Abstract
The present invention relates to a kind of double-front axle automobile steering system, including steering gear, plumbing arm, First Transition pull bar, First Transition rocking arm, the first propons Drag link, the second transitional pull rod, servo-cylinder assembly, the second propons Drag link, the first propons and the second propons；Plumbing arm is flexibly connected with the front end of First Transition pull bar, and the rear end of First Transition pull bar is flexibly connected with the lower end of First Transition rocking arm；The front end of first propons Drag link is flexibly connected with the lower end of First Transition rocking arm, and rear end is flexibly connected with the first propons；The front end of second transitional pull rod is flexibly connected with the first propons, and rear end is flexibly connected with servo-cylinder assembly；The front end of second propons Drag link is flexibly connected with servo-cylinder assembly, and rear end is flexibly connected with the second propons.Servo-cylinder assembly in the technical program can provide power steering, and the effect of transition rocker arm can be served as again；Servo-cylinder can bear bigger pressure without using piston rod, servo-cylinder, so that bigger steering moment is exported, and life-span height, good reliability.
Description
Technical field
The invention belongs to automobile steering system technical field, a kind of double-front axle automobile steering system is particularly related to.
Background technology
The automobile that double-front axle is turned to refers to the automobile with two steeraxles, a steeraxle, institute more than single propons car
Can carry more load-carryings, with the national economic development, double-front axle car of turning direction turns into the development trend of road transport vehicle.
It is as shown in Figure 1 the double-front axle automobile steering system schematic diagram of prior art, including steering wheel 017, steering column
018th, steering gear 01, steering gear rocking arm 02, the first propons transitional pull rod 03, the first propons transition arm 04, the first propons Drag link
05th, bridge transition before servo-cylinder 06, power-assisted jar support 07, the first front axle steering knuckle arm 08, the second propons transitional pull rod 010, second
Arm 015, the second propons Drag link 016, the second front axle steering knuckle arm 011, the first propons 09, the second propons 012, the first propons turn
To the front axle steering knuckle 014 of section 013 and second.
Connected between each pull bar and each swing arm by ball pin joint, first is connected on such as the first propons transition arm
Propons transitional pull rod and the transmission motion of the first propons Drag link.The radius of gyration of first front axle steering knuckle arm and the second propons are turned to
The radius of gyration of joint arm is equal, and pull bar is arranged with each rocking arm ball-joint hard spot as shown in figure 1, being driven with obtaining suitable turn to
Than, it is ensured that the second propons turns to accurate；First front axle steering knuckle arm can drive the first front axle steering knuckle to turn to, and will can move again
It is delivered to power on the second propons transition arm, act as transition and linkage effect.
As shown in Fig. 2 also include hydraulic booster pipe-line system in the steering system, including oil storage tank 019, oil storage tank are fuel-displaced
Pipe 020, oil pump 021, steering gear oil inlet pipe 022, steering gear flowline 023, servo-cylinder left steering oil inlet pipe 024 and servo-cylinder are right
Turn to oil inlet pipe 025.The dynamic oil that turns in oil storage tank is supplied to steering gear by oil pump, and provides power steering.
In the steering of prior art, no matter how servo-cylinder is arranged, uses existing structure to be required to as servo-cylinder
Reserved larger installing space and space, the arrangement on vehicle are more difficult.
Power-assisted cylinder piston rod abuts dust cover to completely cut off with the external world, when dust cover fails, and impurity easily enters inside servo-cylinder
Cause seal failure, the increase of servo-cylinder external leakage causes efficiency to reduce.
Need to set extra transition rocker arm by the transform linear motion of servo-cylinder to rotate, it is therefore desirable to part it is more
And it is complicated.
Piston rod can not be born under larger pressure, long-term severe duty, and piston rod is flexible, and the life-span is low.
The content of the invention
It is an object of the invention to provide a kind of double-front axle automobile steering system, to solve to need to reserve larger sky for servo-cylinder
Between and the flexible problem of piston rod.
The present invention is achieved by the following technical solutions：
A kind of double-front axle automobile steering system, including steering gear, plumbing arm, First Transition pull bar, First Transition rocking arm, first
Propons Drag link, the second transitional pull rod, servo-cylinder assembly, the second propons Drag link, the first propons and the second propons；
The steering gear is installed on longitudinal beam by steering gear bracket, and the upper end of the plumbing arm connects with the steering gear
Connect, the upper end of the First Transition rocking arm is flexibly connected with the longitudinal beam, the lower end of the plumbing arm and the First Transition
The front end of pull bar is flexibly connected, and the rear end of the First Transition pull bar is flexibly connected with the lower end of the First Transition rocking arm；
The front end of the first propons Drag link is flexibly connected with the lower end of the First Transition rocking arm, first propons
The rear end of Drag link is flexibly connected with first propons；
The front end of second transitional pull rod is flexibly connected with first propons, the rear end of second transitional pull rod with
The servo-cylinder assembly is flexibly connected；
The front end of the second propons Drag link is flexibly connected with the servo-cylinder assembly, and rear end is lived with second propons
Dynamic connection.
The servo-cylinder assembly is arranged on the longitudinal beam between first propons and second propons；
The servo-cylinder assembly includes servo-cylinder and the rocking arm engaged with the servo-cylinder.
The servo-cylinder includes cylinder body and piston, and cylinder body place relative with the rocking arm is provided with opening, the piston
It is movably set in the cylinder body, multiple tooth form grooves is provided with along in the axial side wall of the piston, the part tooth form is recessed
Groove is corresponding with the opening；
The cylinder body is divided into left-hand rotation power-assisted cylinder chamber and right-hand rotation power-assisted cylinder chamber in the piston；
Left-hand rotation oil inlet and right-hand rotation oil inlet, the left-hand rotation oil inlet and the left-hand rotation power-assisted are provided with the cylinder body
Cylinder chamber is connected, and the right-hand rotation oil inlet is connected with the right-hand rotation power-assisted cylinder chamber.
The rocking arm includes rocking arm body and is arranged at the toothed region of the rocking arm body upper end, is set in the toothed region
It is equipped with outer groove, the outer groove and the tooth form engagement.
The rear end of second transitional pull rod is flexibly connected with the lower end of the rocking arm body；The second propons Drag link
Front end with being flexibly connected at the nearly lower end of the rocking arm body.
The radius of gyration of the second transitional pull rod rear end is more than the radius of gyration of the second propons Drag link front end.
Also include hydraulic booster pipe-line system, the hydraulic booster pipe-line system include oil storage tank, oil storing tube flowline,
Oil pump, steering gear oil inlet pipe, steering gear flowline, servo-cylinder left-hand rotation oil inlet pipe and servo-cylinder right-hand rotation oil inlet pipe；
One end of the oil storing tube flowline is connected with the oil storage tank, and the other end is connected with oil pump oil inlet；Described turn
It is connected to one end of device oil inlet pipe with the oil-out of the oil pump, the other end is connected with the oil inlet of the steering gear；
One end of the steering gear flowline is connected with the oil-out of the steering gear, and the other end is connected with the oil tank；
One end of the servo-cylinder left-hand rotation oil inlet pipe is connected with the left-hand rotation oil inlet, and the other end connects with the steering gear
Connect；One end of the servo-cylinder right-hand rotation oil inlet pipe is connected with the right-hand rotation oil inlet, and the other end is connected with the steering gear.
The beneficial effects of the invention are as follows：
1) the servo-cylinder assembly in the technical program can provide power steering, and the effect of transition rocker arm can be served as again.
2) the servo-cylinder external leakage in the technical program is small, efficiency high.
3) servo-cylinder of the technical program is without using piston rod, and servo-cylinder can bear bigger pressure, so as to export more
Big steering moment, and life-span height, good reliability.
4) hydraulic unit is concentrated on inside servo-cylinder, and servo-cylinder will not be influenceed by introduced contaminants.
5) compact conformation, it is easy for installation, eliminate after the first propons transition arm, the cost reduction of steering.
Brief description of the drawings
Fig. 1 is prior art double-front axle automobile steering system schematic diagram；
Fig. 2 is prior art double-front axle automobile steering system structure and principle schematic；
Fig. 3 is double-front axle automobile steering system of the present invention and principle schematic；
Fig. 4 is double-front axle automobile steering system primary structure installation drawing of the present invention；
Fig. 5 is servo-cylinder assembly structure of the present invention and principle schematic.
Description of reference numerals
01 steering gear, 02 steering gear rocking arm, 03 first propons transitional pull rod, 04 first propons transition arm, 05 first propons
Drag link, 06 servo-cylinder, 07 power-assisted jar support, 08 first front axle steering knuckle arm, 09 first propons, bridge transition is drawn before 010 second
Bar, 011 second front axle steering knuckle arm, 012 second propons, 013 first front axle steering knuckle, 014 second front axle steering knuckle, 015
Two transition arms, 016 second propons Drag link, 017 steering wheel, 018 steering column, 019 oil storage tank, 020 oil storage tank flowline,
021 oil pump, 022 steering gear oil inlet pipe, 023 steering gear flowline, 024 servo-cylinder left steering oil inlet pipe, 025 servo-cylinder right turn
Oil inlet pipe, 1 steering wheel, 2 steering columns, 3 steering gears, 4 plumbing arms, 5 First Transition pull bars, 6 first propons Drag links, 7 servo-cylinders
Assembly, 8 First Transition rocking arms, 9 first propons, 10 second propons, 11 second transitional pull rods, 12 second propons Drag links, 13 storages
Oil tank, 14 oil storage tank flowlines, 15 oil pumps, 16 steering gear oil inlet pipes, 17 steering gear flowlines, 18 servo-cylinder left-hand rotation oil inlet pipes,
19 servo-cylinder right-hand rotation oil inlet pipes, 71 cylinder bodies, 72 pistons, 73 left-hand rotation oil inlets, 74 right-hand rotation oil inlets, 75 rocking arm bodies, 76 tooth forms
Portion, 77 tooth form grooves, 78 openings, 79 outer grooves.
Embodiment
Describe technical scheme in detail by the following examples, following embodiment is exemplary only, only
Explanation and illustration technical scheme can be used for, and be not to be construed as the limitation to technical solution of the present invention.
The application provides a kind of double-front axle automobile steering system, as shown in Figure 3 and Figure 4, the upper end and direction of steering column 2
Disk 1 is connected, and lower end is connected with steering gear 3, and being fixed on by steering gear bracket on vehicle frame for steering gear 3 passes through steering wheel rotation
1, drive steering column 2 to rotate, steering column 2 drives steering gear 3 to act, turn left or turn right to realize.
The output shaft of steering gear 3 is fixedly connected with the upper end of plumbing arm 4, by the rotation of steering gear output shaft, drives plumbing arm 4
Move back and forth, in this application, it is front and rear be the headstock direction using vehicle as front, the direction of the tailstock is rear.
The front end of First Transition pull bar 5 is flexibly connected with the lower end of plumbing arm 4, the rear end of First Transition pull bar 5 and the first mistake
The lower end for crossing rocking arm 8 is flexibly connected, and the upper end of First Transition rocking arm 8 is movably set on longitudinal beam, so, with plumbing arm
Swing, drives the synchronous swing of First Transition pull bar, and then drives the first propons Drag link 6 to rotate forward or backward,
The left-hand rotation or right-hand rotation of the first propons 9, therefore, the steering of the first propons of the technical program are driven by the first propons Drag link 6
Only realized by steering gear, power steering is then implemented to the first propons with pushing direction by servo-cylinder assembly for power steering.
The front end of first propons Drag link 6 is flexibly connected with the lower end of First Transition rocking arm 8, the first propons Drag link 6
Rear end is flexibly connected with the first propons 9.
In this application, servo-cylinder assembly 7 is arranged on the longitudinal beam between the first propons 9 and the second propons 10, with
Prior art is compared, and servo-cylinder assembly provides the first propons power steering with the way of propelling respectively, and in pulling force mode to the
Two propons provide power steering, therefore, and the servo-cylinder assembly of the application can be provided the first propons and the second propons simultaneously to be turned
To power-assisted.
The front end of second transitional pull rod 11 is flexibly connected with the first propons 9, the rear end of the second transitional pull rod 11 and servo-cylinder
Assembly 7 is flexibly connected, and the front end of the second propons Drag link 12 is flexibly connected with servo-cylinder assembly, the rear end of the second propons Drag link
It is flexibly connected with the second propons 10.
As shown in figure 5, servo-cylinder assembly 7 includes servo-cylinder and rocking arm, servo-cylinder is engaged with rocking arm tooth form, in the application,
Servo-cylinder includes cylinder body 71 and piston 72, in this application, and cylinder body is structure closed at both ends, and cylinder body place relative with rocking arm is provided with
Opening 78, piston is movably set in cylinder body, and multiple tooth form grooves 77 are provided with along in the axial side wall of piston, and part tooth form is recessed
Groove 77 is corresponding with opening 78；Piston 72 can be movable along the axis of cylinder body in cylinder body 71.
Cylinder body is divided into left-hand rotation power-assisted cylinder chamber and right-hand rotation power-assisted cylinder chamber in piston 72.
Left-hand rotation oil inlet 73 and right-hand rotation oil inlet 74 are provided with cylinder body, left-hand rotation oil inlet connects with left-hand rotation power-assisted cylinder chamber
Logical, right-hand rotation oil inlet is connected with right-hand rotation power-assisted cylinder chamber.It is living when dynamic turn of oil is pressed into left-hand rotation power-assisted cylinder chamber by left-hand rotation oil inlet
Plug is travelled forward, and when dynamic turn of oil is pressed into right-hand rotation power-assisted cylinder chamber by right-hand rotation oil inlet, piston is moved backward, before piston
After move so that tooth form groove 77 on piston side wall is movable relative to opening.
Rocking arm includes rocking arm body 75 and is arranged at the toothed region 76 of rocking arm body upper end, is provided with toothed region 76 outer
Groove 79, outer groove 79 is engaged with tooth form groove 77, when the tooth form groove movement on piston, is driven and is passed through tooth with tooth form groove
The rotation of the toothed region of engagement, and then with the swing of motion rocker arm body, the swing of rocking arm body and plumbing arm it is front and rear
What is swung keeps strokes.
In the technical program, servo-cylinder uses gear (i.e. toothed region) and rack (the tooth form groove i.e. on piston) structure,
Piston rod is eliminated, servo-cylinder exports power steering in the form of moment of torsion.
The front end of First Transition pull bar 5 is flexibly connected with plumbing arm 4, and tie point is located at the lower end of plumbing arm, First Transition pull bar
Rear end be flexibly connected with the lower end of First Transition rocking arm；At the front end of first propons Drag link and the lower end of First Transition rocking arm
It is flexibly connected, the rear end of the first propons Drag link is flexibly connected with the first propons.So, when plumbing arm swing, the is driven
One propons Drag link moves back and forth；The left-hand rotation or right-hand rotation that move forward and backward the first propons of drive of such first propons Drag link,
Realize that the steering to the first propons provides power-assisted.
The front end of second propons Drag link is flexibly connected with rocking arm body, rear end and the second propons of the second propons Drag link
It is flexibly connected, when turning, by the swing of rocking arm body, while realizing that the steering to the second propons provides power-assisted.
In this application, it is the from the tie point of the upper end of toothed region to the second transitional pull rod rear end and rocking arm body lower end
The radius of gyration of two transitional pull rods；It is before second with the tie point of rocking arm body from the upper end of toothed region to the second propons Drag link
The radius of gyration of bridge Drag link front end.
The radius of gyration of second transitional pull rod rear end is more than the radius of gyration of the second propons Drag link front end.
As shown in figure 5, also including hydraulic booster pipe-line system, hydraulic booster pipe-line system in the steering gear of the technical program
Including oil storage tank 13, oil storing tube flowline 14, oil pump 15, steering gear oil inlet pipe 16, steering gear flowline 17, servo-cylinder turn left into
Oil pipe 18 and servo-cylinder right-hand rotation oil inlet pipe 19.
One end of oil storing tube flowline is connected with oil storage tank, and the other end is connected with oil pump oil inlet；Steering gear oil inlet pipe
The oil inlet of the oil-out connection of one end and oil pump, the other end and steering gear is connected.
One end of steering gear flowline and the oil-out of steering gear are connected, and the other end is connected with oil tank.
One end of servo-cylinder left-hand rotation oil inlet pipe is connected with left-hand rotation oil inlet, and the other end is connected with steering gear；Servo-cylinder is turned right
One end of oil inlet pipe is connected with right-hand rotation oil inlet, and the other end is connected with steering gear.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And deformation, the scope of the present invention extremely equally limits by appended claims.
Claims (7)
1. a kind of double-front axle automobile steering system, it is characterised in that：Including steering gear, plumbing arm, First Transition pull bar, First Transition
Before rocking arm, the first propons Drag link, the second transitional pull rod, servo-cylinder assembly, the second propons Drag link, the first propons and second
Bridge；
The steering gear is installed on longitudinal beam by steering gear bracket, and the upper end of the plumbing arm is connected with the steering gear,
The upper end of the First Transition rocking arm is flexibly connected with the longitudinal beam, the lower end of the plumbing arm and the First Transition pull bar
Front end be flexibly connected, the rear end of the First Transition pull bar is flexibly connected with the lower end of the First Transition rocking arm；
The front end of the first propons Drag link is flexibly connected with the lower end of the First Transition rocking arm, the first propons vertical pulling
The rear end of bar is flexibly connected with first propons；
The front end of second transitional pull rod is flexibly connected with first propons, the rear end of second transitional pull rod with it is described
Servo-cylinder assembly is flexibly connected；
The front end of the second propons Drag link is flexibly connected with the servo-cylinder assembly, and rear end connects with second propons activity
Connect.
2. double-front axle automobile steering system according to claim 1, it is characterised in that：The servo-cylinder assembly is arranged at institute
State on the longitudinal beam between the first propons and second propons；
The servo-cylinder assembly includes servo-cylinder and the rocking arm engaged with the servo-cylinder.
3. double-front axle automobile steering system according to claim 2, it is characterised in that：The servo-cylinder includes cylinder body and work
Plug, cylinder body place relative with the rocking arm is provided with opening, and the piston is movably set in the cylinder body, along the piston
Axial side wall on be provided with multiple tooth form grooves, the part tooth form groove is corresponding with the opening；
The cylinder body is divided into left-hand rotation power-assisted cylinder chamber and right-hand rotation power-assisted cylinder chamber in the piston；
Left-hand rotation oil inlet and right-hand rotation oil inlet, the left-hand rotation oil inlet and the left-hand rotation power-assisted cylinder chamber are provided with the cylinder body
Connection, the right-hand rotation oil inlet is connected with the right-hand rotation power-assisted cylinder chamber.
4. double-front axle automobile steering system according to claim 3, it is characterised in that：The rocking arm include rocking arm body and
The toothed region of the rocking arm body upper end is arranged at, outer groove, the outer groove and the tooth are provided with the toothed region
Connected in star is engaged.
5. double-front axle automobile steering system according to claim 4, it is characterised in that：The rear end of second transitional pull rod
It is flexibly connected with the lower end of the rocking arm body；At the front end of the second propons Drag link and the nearly lower end of the rocking arm body
It is flexibly connected.
6. double-front axle automobile steering system according to claim 5, it is characterised in that：The second transitional pull rod rear end
The radius of gyration is more than the radius of gyration of the second propons Drag link front end.
7. double-front axle automobile steering system according to claim 3, it is characterised in that：Also include hydraulic booster pipeline system
System, the hydraulic booster pipe-line system is fuel-displaced including oil storage tank, oil storing tube flowline, oil pump, steering gear oil inlet pipe, steering gear
Pipe, servo-cylinder left-hand rotation oil inlet pipe and servo-cylinder right-hand rotation oil inlet pipe；
One end of the oil storing tube flowline is connected with the oil storage tank, and the other end is connected with oil pump oil inlet；The steering gear
One end of oil inlet pipe is connected with the oil-out of the oil pump, and the other end is connected with the oil inlet of the steering gear；
One end of the steering gear flowline is connected with the oil-out of the steering gear, and the other end is connected with the oil tank；
One end of the servo-cylinder left-hand rotation oil inlet pipe is connected with the left-hand rotation oil inlet, and the other end is connected with the steering gear；Institute
The one end for stating servo-cylinder right-hand rotation oil inlet pipe is connected with the right-hand rotation oil inlet, and the other end is connected with the steering gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710362483.3A CN107140015B (en) | 2017-05-22 | 2017-05-22 | Double-front-axle automobile steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710362483.3A CN107140015B (en) | 2017-05-22 | 2017-05-22 | Double-front-axle automobile steering system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107140015A true CN107140015A (en) | 2017-09-08 |
| CN107140015B CN107140015B (en) | 2020-08-21 |
Family
ID=59777245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710362483.3A Active CN107140015B (en) | 2017-05-22 | 2017-05-22 | Double-front-axle automobile steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107140015B (en) |
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| US4394886A (en) * | 1979-01-26 | 1983-07-26 | O&K Orenstein & Koppel Aktiengesellschaft | Steering gear with steering-arm lever |
| CN1251556A (en) * | 1997-04-26 | 2000-04-26 | 腓特烈斯港齿轮工厂股份公司 | Power steering device with hydraulic power assisting |
| CN2794969Y (en) * | 2004-10-21 | 2006-07-12 | 邵新兴 | Double front shaft power steering device |
| CN201176177Y (en) * | 2007-12-28 | 2009-01-07 | 安徽江淮汽车股份有限公司 | Steering gear for truck |
| CN202243645U (en) * | 2011-09-19 | 2012-05-30 | 安徽柳工起重机有限公司 | Car crane double-front-axle steering mechanism |
| CN102862604A (en) * | 2012-09-18 | 2013-01-09 | 重庆迪马工业有限责任公司 | Full-hydraulic steering system of double front-axle passenger step |
| WO2013058752A1 (en) * | 2011-10-20 | 2013-04-25 | R.H. Sheppard Co., Inc. | Back driving master steering gear and steering system implementing the steering gear |
| CN104228931A (en) * | 2014-09-06 | 2014-12-24 | 中国第一汽车股份有限公司 | Following steering gear assembly |
| WO2015054760A1 (en) * | 2013-10-17 | 2015-04-23 | Volvo Do Brasil Veículos Ltda. | Anti-vibration link for dual steer axle steering linkage |
| CN106080762A (en) * | 2016-08-18 | 2016-11-09 | 安徽江淮汽车股份有限公司 | A kind of double-front axle automobile steering system |
| CN106080768A (en) * | 2016-08-18 | 2016-11-09 | 安徽江淮汽车股份有限公司 | A kind of double-front axle automobile steering system |
-
2017
- 2017-05-22 CN CN201710362483.3A patent/CN107140015B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4394886A (en) * | 1979-01-26 | 1983-07-26 | O&K Orenstein & Koppel Aktiengesellschaft | Steering gear with steering-arm lever |
| CN1251556A (en) * | 1997-04-26 | 2000-04-26 | 腓特烈斯港齿轮工厂股份公司 | Power steering device with hydraulic power assisting |
| CN2794969Y (en) * | 2004-10-21 | 2006-07-12 | 邵新兴 | Double front shaft power steering device |
| CN201176177Y (en) * | 2007-12-28 | 2009-01-07 | 安徽江淮汽车股份有限公司 | Steering gear for truck |
| CN202243645U (en) * | 2011-09-19 | 2012-05-30 | 安徽柳工起重机有限公司 | Car crane double-front-axle steering mechanism |
| WO2013058752A1 (en) * | 2011-10-20 | 2013-04-25 | R.H. Sheppard Co., Inc. | Back driving master steering gear and steering system implementing the steering gear |
| CN102862604A (en) * | 2012-09-18 | 2013-01-09 | 重庆迪马工业有限责任公司 | Full-hydraulic steering system of double front-axle passenger step |
| WO2015054760A1 (en) * | 2013-10-17 | 2015-04-23 | Volvo Do Brasil Veículos Ltda. | Anti-vibration link for dual steer axle steering linkage |
| CN104228931A (en) * | 2014-09-06 | 2014-12-24 | 中国第一汽车股份有限公司 | Following steering gear assembly |
| CN106080762A (en) * | 2016-08-18 | 2016-11-09 | 安徽江淮汽车股份有限公司 | A kind of double-front axle automobile steering system |
| CN106080768A (en) * | 2016-08-18 | 2016-11-09 | 安徽江淮汽车股份有限公司 | A kind of double-front axle automobile steering system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107140015B (en) | 2020-08-21 |
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