CN105584526B - Eight four bridge car steering of wheel - Google Patents
Eight four bridge car steering of wheel Download PDFInfo
- Publication number
- CN105584526B CN105584526B CN201610131954.5A CN201610131954A CN105584526B CN 105584526 B CN105584526 B CN 105584526B CN 201610131954 A CN201610131954 A CN 201610131954A CN 105584526 B CN105584526 B CN 105584526B
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- China
- Prior art keywords
- steering
- bridge
- cylinder
- rocking arm
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000009428 plumbing Methods 0.000 claims description 20
- 238000005096 rolling process Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 51
- 239000010720 hydraulic oil Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000010727 cylinder oil Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
-
- 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
- B62D5/08—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of steering valve used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
- B62D6/02—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to vehicle speed
-
- 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
- B62D7/20—Links, e.g. track rods
-
- 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
- B62D7/22—Arrangements for reducing or eliminating reaction, e.g. vibration, from parts, e.g. wheels, of the steering system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/10—Road Vehicles
- B60Y2200/11—Passenger cars; Automobiles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The present invention relates to one kind eight to take turns four bridge car steering, including direction operation device, turning machine, steering boost system, first axle steering system, second axle steering system, 4th bridge active front steering system and active steering control system, go to action is passed to turning machine by direction operation device, first axle steering system controls the left and right wheelses of the first bridge to turn to, second axle steering system controls the left and right wheelses of the second bridge to turn to, 4th bridge active front steering system controls the left and right wheelses of the 4th bridge to turn to, active steering control system controls the 4th bridge active front steering system according to car speed.The present invention is that the 4th bridge of eight four bridge cars of wheel is designed into servo-actuated vehicle bridge, the center of rotation of car can be moved on the axis of the bridge of car the 3rd, change stress form of the rear wheel of eight four bridge cars of wheel when turning, sliding friction is changed into rolling friction, reduce frictional force, mitigate the tire wear of rear wheel when car is turned, ensure Life of Tyre, reduce car operating cost.
Description
Technical field：
The present invention relates to multiaxis car steering technical field, and in particular to one kind eight takes turns four bridge car steering systems
System.
Background technology：
With the development of China's automotive engineering, in passenger car field, multiaxis car is by its loading capacity is big, average fuel consumption is low
Feature is increasingly favored by client.As most common eight take turns four bridge cars, the especially eight wheel pure electricity of four bridges in the market
Dynamic car, by its powerful bearing capacity and energy-conserving and environment-protective performance, has widely been promoted in city bus field, but
It is four bridge cars of existing eight wheel, to use double steering propons+bis- rigid rear axles structure, i.e. before two of eight four bridge cars of wheel more
Vehicle bridge is steeraxle, and two rear axles are drive axle, and drive axle uses rigidity driving axle, without turning function, when car turns to
When, vehicle is turned on the instantaneous intermediate parallel line between two rear axles, during Vehicular turn, the wheel of two rear axles
Towards being still direction before car turns to, rear wheel direction now and front vehicle wheel are towards inconsistent, after front vehicle wheel pulls
Wheel, sliding friction between rear wheel and ground, cause the tire wear of two rear axle of passenger vehicle extremely serious, seriously reduce car
The service life of rear tyre, increase car operating cost.
The content of the invention：
In summary, in order to overcome the shortcomings of prior art problem, use and turn the invention provides the four bridge cars of wheel of one kind eight
To system, it is that the 3rd bridge of existing eight four bridge cars of wheel is kept into rigidity driving axle, and the 4th bridge is designed to active vehicle bridge, this
Sample can be moved to the steering of car is instantaneous on the axis of the bridge of car the 3rd, and when the car is turned, eight wheels of car all enclose
The instantaneous rotation of steering around car, change stress form of the rear wheel of four bridge cars of existing eight wheel when turning, slip is rubbed
Wiping is changed into rolling friction, reduces frictional force, mitigates the tire wear of rear wheel when car is turned, and ensures Life of Tyre, drop
Low car operating cost.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
One kind eight takes turns four bridge car steering, wherein：Including direction operation device, turning machine, steering boost system,
First axle steering system, the second axle steering system, the 4th bridge active front steering system and active steering control system, described direction
Operation device connects the input of turning machine, and the output end of turning machine connects the first axle steering system, and the first axle steering system leads to
Cross cylinder lever connecting rod and connect the second axle steering system, steering boost system is the first axle steering system, the second axle steering system and the
Four bridge active front steering systems provide power steering, and go to action is passed to turning machine, the first bridge by described direction operation device
Steering controls the left and right wheelses of the first bridge to turn to, and the second axle steering system controls the left and right wheelses of the second bridge to turn to, and the 4th
Bridge active front steering system controls the left and right wheelses of the 4th bridge to turn to, and active steering control system controls the 4th bridge according to car speed
Active front steering system.
Technical scheme may also is that realization：The first described axle steering system includes plumbing arm, short drawing
Bar, front left rocking arm, front right rocking arm, preceding drag link, front steering track-rod and cylinder lever connecting rod, described plumbing arm one end connection turning machine,
The plumbing arm other end connects one end of short rod, the other end connection front left rocking arm of short rod, and front left rocking arm is connected by preceding drag link
Front right rocking arm is connect, front left rocking arm connects the second axle steering system, described front left rocking arm and front right sub-rocker arm by cylinder lever connecting rod
The left and right wheelses of the first bridge are not connected by front steering track-rod.
Technical scheme may also is that realization：The second described axle steering system include middle left rocking arm,
Middle right rocking arm, middle drag link and middle steering linkage, left rocking arm connects front left rocking arm, middle left rocking arm by cylinder lever connecting rod in described
It is connected with middle right rocking arm by middle drag link, middle left rocking arm and middle right rocking arm pass through a left side for middle steering linkage the second bridge of connection respectively
Right wheel.
Technical scheme may also is that realization：The 4th described bridge active front steering system includes rear steering
Rocking arm, left back steering linkage and right rear steering pull bar, described rear steering rocking arm are triangular form structure, triangular form rear steering rocking arm
Left end the 4th bridge left side wheel is connected by left back steering linkage, the right-hand member of rear steering rocking arm connected by right rear steering pull bar
4th bridge right side wheels, the middle part connection bus body of rear steering rocking arm.
Technical scheme may also is that realization：Described direction operation device includes steering wheel, turned to
Tubing string, commutator and kinematic link, described steering wheel connect the upper end of steering column, the lower end connection commutation of steering column
Device, commutator connect turning machine by kinematic link, and commutator is converted to the vertical rotation of steering column in the water of kinematic link
Flat turn is moved.
Technical scheme may also is that realization：Described steering boost system includes middle servo-cylinder, tail
Servo-cylinder, oil tank and oil pump, the oil-out of the oil inlet connection oil tank of described oil pump, the oil-out connection turning machine of oil pump
Oil inlet, the oil inlet of the oil return opening connection oil tank of described turning machine, servo-cylinder in the oil-out connection of described turning machine
Oil inlet and tail servo-cylinder oil inlet, the oil-out connection turning machine of the oil-out of described middle servo-cylinder and tail servo-cylinder
Oil inlet, the expansion link of described middle servo-cylinder connects right rocking arm in the second axle steering system, described tail servo-cylinder
Expansion link connects the right rear steering pull bar of the 4th bridge active front steering system.
Technical scheme may also is that realization：Described active steering control system includes control oil
Cylinder, control valve, cylinder, locking cylinder and accumulator, the oil-out of the oil inlet connection oil pump of described accumulator, described storage
The oil inlet of the oil-out connection locking cylinder of energy device, the oil-out connection oil tank of locking cylinder, described locking cylinder are with cylinder
Integrative-structure, locking cylinder share expansion link with cylinder, and expansion link connects the left back steering linkage of the 4th bridge active front steering system,
The oil inlet and oil-out of described cylinder are respectively communicated with the oil inlet and oil-out of control cylinder by pipeline, are set on pipeline
Control valve is equipped with, the expansion link of control cylinder connects the plumbing arm of the first axle steering system.
Technical scheme may also is that realization：On pipeline between described oil pump and accumulator successively
Pressure limiting valve and check valve are set.
Beneficial effects of the present invention are：
1st, the present invention is that the 3rd bridge of existing eight four bridge cars of wheel is kept into rigidity driving axle, and the 4th bridge is designed to actively
Vehicle bridge, it can so be moved to the steering of car is instantaneous on the axis of the bridge of car the 3rd, when the car is turned, eight cars of car
Wheel all surrounds the instantaneous rotation of steering of car, changes stress form of the rear wheel of four bridge cars of existing eight wheel when turning, will
Sliding friction is changed into rolling friction, reduces frictional force, mitigates the tire wear of rear wheel when car is turned, ensures the tire used longevity
Life, reduce car operating cost.
2nd, connected between the first axle steering system and the second axle steering system of the invention by cylinder lever connecting rod, then turning machine
After go to action is passed to the first bridge by 5, the first axle steering system drives the second axle steering system to turn to by cylinder lever connecting rod,
Realize that the steering between the second bridge and the first bridge links by cylinder lever connecting rod, drive cylinder to act by control cylinder, realize
Steering linkage between 4th bridge and the first bridge.
3rd, the source of the power fluid force feed of middle servo-cylinder and tail servo-cylinder of the invention is all from turning machine, turning machine
Power resources are the oil tanks connected by oil pump, then, the first bridge of the invention turns to, the active of the bridge of the second bridge turning machine the 4th turns
To being controlled by turning machine.
4th, the oil inlet and outlet of cylinder of the invention and the oil inlet and outlet of control cylinder are set on pipeline by pipeline communication
Control valve, control valve by car speed control, when car is run at a low speed, control valve does not work, the oil inlet and outlet of cylinder with
For the oil inlet and outlet of control cylinder by pipeline communication, the expansion link of control cylinder connects the plumbing arm of the first axle steering system, works as visitor
When car turns to, plumbing arm is swung, and the expansion link of control cylinder is stretched or compressed, then hydraulic oil control cylinder and cylinder it
Between flow, cylinder control the 4th steering action, make the bridge active steering of car the 4th, when car is run at high speed, control
Valve works, disconnection oil circuit, and the hydraulic oil in control cylinder cannot be introduced into cylinder, and the 4th steering acts on next time in locking cylinder
Positive locking, guarantee is when running at high speed, and eliminates the shimmy of car trailing wheel when running at high speed, prevents violent pendulum of the car because of wheel
The out-of-control phenomenon for shaking and occurring.
5th, the present invention is simple in construction, easy to use, design is new, cost is cheap, can realize four bridge cars of existing eight wheel
The first bridge, the second bridge and the 4th bridge steering linkage, can effectively overcome car rear tyre serious wear, rear tyre
The problem of short life.
Brief description of the drawings：
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the steering principle schematic diagram of the present invention.
Embodiment：
The present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, one kind eight take turns four bridge car steering, including direction operation device, turning machine 5, turn
Controlled to force aid system, the first axle steering system, the second axle steering system, the 4th bridge active front steering system and active steering and be
System, direction operation device include steering wheel 1, steering column 2, commutator 3 and kinematic link 4, and steering wheel 1 connects steering column 2
Upper end, steering column 2 lower end connection commutator 3, commutator 3 by kinematic link 4 connect turning machine 5 input, change
The vertical rotation of steering column 2 is converted into horizontally rotating for kinematic link 4 to device 3, the output end of turning machine 5 connects the first bridge
Steering.
First axle steering system includes plumbing arm 6, short rod 7, front left rocking arm 8, front right rocking arm 9, preceding drag link 10, front steering
Pull bar 11 and cylinder lever connecting rod 12, the one end of plumbing arm 6 connect the output end of turning machine 5, and the other end of plumbing arm 6 connection control cylinder 24 is stretched
One end of contracting bar and short rod 7, the other end connection front left rocking arm 8 of short rod 7, front left rocking arm 8 is connected by preceding drag link 10
Front right rocking arm 9, front left rocking arm 8 and front right rocking arm 9 connect the left and right wheelses of the first bridge 31 by front steering track-rod 11 respectively.Front left
Rocking arm 8 connects the second axle steering system by cylinder lever connecting rod 12.
Second axle steering system includes middle left rocking arm 13, middle right rocking arm 14, middle drag link 15 and middle steering linkage 16, described
In left rocking arm 13 front left rocking arm 8 is connected by cylinder lever connecting rod 12, middle left rocking arm 13 passes through middle drag link 15 with middle right rocking arm 14
Connection, middle left rocking arm 13 and middle right rocking arm 14 connect the left and right wheelses of the second bridge 32 by middle steering linkage 16 respectively, and the middle right side is shaken
Middle servo-cylinder 17, right rocking arm 14 in the expansion link connection of middle servo-cylinder 17 are provided with arm 14.
Steering boost system is the first axle steering system, the second axle steering system and the 4th bridge active front steering system are provided and turned
To power-assisted, the 4th bridge active front steering system includes rear steering rocking arm 18, left back steering linkage 19 and right rear steering pull bar 20, described
Rear steering rocking arm 18 be triangular form structure, the left end of triangular form rear steering rocking arm 18 passes through left back steering linkage 19 connection the 4th
The left side wheel of bridge 33, the right-hand member of rear steering rocking arm 18 connect the right side wheels of the 4th bridge 33, rear steering by right rear steering pull bar 20
The middle part connection bus body of rocking arm 18.
Steering boost system includes middle servo-cylinder 17, tail servo-cylinder 21, oil tank 22 and oil pump 23, and described oil pump 23 enters
Hydraulic fluid port connects the oil-out of oil tank 22, the oil inlet of the oil-out connection turning machine 5 of oil pump 23, the oil return of described turning machine 5
The oil inlet of mouth connection oil tank 22, the oil inlet and tail servo-cylinder 21 of servo-cylinder 17 in the oil-out connection of described turning machine 5
Oil inlet, the oil inlet of the oil-out connection turning machine 5 of the oil-out of described middle servo-cylinder 17 and tail servo-cylinder 21 is described
The expansion link of middle servo-cylinder 17 connect right rocking arm 14 in the second axle steering system, the expansion link of described tail servo-cylinder 21 connects
Connect the right rear steering pull bar 20 of the 4th bridge active front steering system.
Active steering control system controls the 4th bridge active front steering system, active steering control system bag according to car speed
Include control cylinder 24, control valve 25, cylinder 26, locking cylinder 27 and accumulator 28, the oil inlet connection oil pump 23 of accumulator 28
Oil-out, set gradually pressure limiting valve 29 and check valve 30 on the pipeline between oil pump 23 and accumulator 28, accumulator 28 goes out
The oil inlet of hydraulic fluid port connection locking cylinder 27, the oil-out connection oil tank 22 of locking cylinder 27, described locking cylinder 27 and cylinder 26
It is structure as a whole, locking cylinder 27 shares expansion link with cylinder 26, and expansion link connects left back turn of the 4th bridge active front steering system
To pull bar 19, the oil inlet and oil-out of described cylinder 26 are respectively communicated with the oil inlet of control cylinder 24 by pipeline and gone out
Hydraulic fluid port, control valve 25 is provided with pipeline, the expansion link of control cylinder 24 connects the plumbing arm 6 of the first axle steering system, described
Control valve 25 is magnetic valve.
The action signal of control valve 25 is set as speed 40km/h.
In use, being turned to when when operating personnel operate steering wheel 1, go to action is passed to steering column 2 by steering wheel 1,
After being commutated through commutator 3, go to action is passed to turning machine 5 by kinematic link 4, and oil pump 23 is defeated by the hydraulic oil in oil tank 22
Turning machine 5 is given, turning machine 5 is acted, and driving plumbing arm 6 is swung, and drives front left rocking arm 8 to act by short rod 7, front left rocking arm 8
Left rocking arm 13 acts in being driven by cylinder lever connecting rod 12, and front left rocking arm 8 drives front right rocking arm 9 to act by preceding drag link 10, preceding
The wheel of left and right two that left rocking arm 8 and front right rocking arm 9 make the first bridge of car 31 by front steering track-rod 11 respectively turns to, in
Right rocking arm 14 acts during left rocking arm 13 is driven by middle drag link 15, and middle left rocking arm 13 and middle right rocking arm 14 pass through middle steering respectively
Pull bar 16 drives the left and right wheelses of the second bridge of car 32 to turn to, and realizes the synchronous steering of car the first bridge 31 and the second bridge 32.Turn
To machine 5 to the middle delivery hydraulic pressure of servo-cylinder 17 oil, power steering is provided by steering of the middle servo-cylinder 17 for the second bridge 32.
Plumbing arm 6 is swung, and stretches or compress the expansion link for the control cylinder 24 being connected with plumbing arm 6, car is with less than 40km/h
Speed traveling when, control valve 25 does not work, and control cylinder 24 connects with cylinder 26, and plumbing arm 6 stretches or compression control oil cylinder
24 expansion link, the action of expansion link make hydraulic oil be flowed between control cylinder 24 and cylinder 26, and cylinder 26 stretches
Bar connects the left back steering linkage 19 of the 4th bridge active front steering system, and the left car of the 4th bridge 33 is driven by left back steering linkage 19
Wheel rotates, and left back steering linkage 19 drives the right wheel of the 4th bridge 33 to turn by rear steering rocking arm 18 and right rear steering pull bar 20
It is dynamic, so as to realize the bridge 33 of car the 4th and the 32 synchronous steering of the first bridge 31 and the second bridge.Turning machine 5 conveys liquid to tail servo-cylinder 21
Force feed, power steering is provided by steering of the tail servo-cylinder 21 for the 4th bridge 33.
Finished when car turns to, steering wheel 1 returns just, then turning machine 5 inversely acts, and plumbing arm 6 returns just, then the first bridge 31, the
Two bridges 32 and the 4th bridge 33 synchronously return just.
When car speed is higher than 40km/h, control valve 25 works, and the oil circuit between control cylinder 24 and cylinder 26 breaks
Open, now, plumbing arm 6 is swung, the expansion link of stretching or compression control oil cylinder 24, because oil circuit disconnects, now in control cylinder 24
Hydraulic oil self-loopa in the cylinder body of control cylinder 24, now, locking cylinder 27 acts in the presence of accumulator 28, makes the 4th
Bridge 33 is returned just and by the bridge 33 of 27 locking of locking cylinder the 4th, when guarantee is run at high speed, eliminates car trailing wheel when running at high speed
Shimmy, the out-of-control phenomenon for preventing car from occurring by the violent shimmy of wheel.
It is noted that above-described embodiment is general to the illustrative and not limiting of technical solution of the present invention, art
The equivalent substitution of logical technical staff or the other modifications made according to prior art, as long as not exceeding technical solution of the present invention
Thinking and scope, it should be included within interest field of the presently claimed invention.
Claims (6)
1. one kind eight takes turns four bridge car steering, it is characterised in that：Including direction operation device, turning machine（5）, turn to help
Force system, the first axle steering system, the second axle steering system, the 3rd bridge, the 4th bridge active front steering system and active steering control
System, the 3rd described bridge are rigidity driving axle, and described direction operation device connects turning machine（5）Input, turning machine
（5）Output end connect the first axle steering system, the first axle steering system passes through cylinder lever connecting rod（12）Connect the second bridge steering system
System, steering boost system is the first axle steering system, the second axle steering system and the 4th bridge active front steering system provide steering and helped
Go to action is passed to turning machine by power, described direction operation device（5）, the first axle steering system the first bridge of control（31）'s
Left and right wheelses turn to, and the second axle steering system controls the second bridge（32）Left and right wheelses turn to, the 4th bridge active front steering system control
Make the 4th bridge（33）Left and right wheelses turn to, active steering control system according to car speed control the 4th bridge active steering system
System, the 4th described bridge active front steering system include rear steering rocking arm（18）, left back steering linkage（19）And right rear steering pull bar
（20）, described rear steering rocking arm（18）For triangular form structure, triangular form rear steering rocking arm（18）Left end pass through left back steering
Pull bar（19）Connect the 4th bridge（33）Left side wheel, rear steering rocking arm（18）Right-hand member pass through right rear steering pull bar（20）Connection the
Four bridges（33）Right side wheels, rear steering rocking arm（18）Middle part connection bus body, described active steering control system includes
Control cylinder（24）, control valve（25）, cylinder（26）, locking cylinder（27）And accumulator（28）, described accumulator（28）'s
Oil inlet connects oil pump（23）Oil-out, described accumulator（28）Oil-out connection locking cylinder（27）Oil inlet, lock
Only cylinder（27）Oil-out connection oil tank（22）, described locking cylinder（27）With cylinder（26）It is structure as a whole, locking cylinder
（27）With cylinder（26）Expansion link is shared, expansion link connects the left back steering linkage of the 4th bridge active front steering system（19）, institute
The cylinder stated（26）Oil inlet and oil-out control cylinder is respectively communicated with by pipeline（24）Oil inlet and oil-out, pipe
Control valve is provided with road（25）, control cylinder（24）Expansion link connect the first axle steering system plumbing arm（6）.
2. eight wheel according to claim 1, four bridge car steering, it is characterised in that：The first described bridge steering system
System includes plumbing arm（6）, short rod（7）, front left rocking arm（8）, front right rocking arm（9）, preceding drag link（10）, front steering track-rod（11）And
Cylinder lever connecting rod（12）, described plumbing arm（6）One end connects turning machine（5）, plumbing arm（6）The other end connects short rod（7）One end,
Short rod（7）The other end connection front left rocking arm（8）, front left rocking arm（8）Pass through preceding drag link（10）Connect front right rocking arm（9）,
Front left rocking arm（8）Pass through cylinder lever connecting rod（12）Connect the second axle steering system, described front left rocking arm（8）And front right rocking arm（9）
Pass through front steering track-rod respectively（11）Connect the first bridge（31）Left and right wheelses.
3. eight wheel according to claim 1, four bridge car steering, it is characterised in that：The second described bridge steering system
System includes middle left rocking arm（13）, middle right rocking arm（14）, middle drag link（15）And middle steering linkage（16）, left rocking arm in described
（13）Pass through cylinder lever connecting rod（12）Connect front left rocking arm（8）, middle left rocking arm（13）With middle right rocking arm（14）Pass through middle drag link
（15）Connection, middle left rocking arm（13）And middle right rocking arm（14）Pass through middle steering linkage respectively（16）Connect the second bridge（32）Left and right
Wheel.
4. eight wheel according to claim 1, four bridge car steering, it is characterised in that：Described direction operation device
Including steering wheel（1）, steering column（2）, commutator（3）And kinematic link（4）, described steering wheel（1）Connect steering column
（2）Upper end, steering column（2）Lower end connection commutator（3）, commutator（3）Pass through kinematic link（4）Connect turning machine
（5）, commutator（3）By steering column（2）Vertical rotation be converted to kinematic link（4）Horizontally rotate.
5. eight wheel according to claim 1, four bridge car steering, it is characterised in that：Described steering boost system
Including middle servo-cylinder（17）, tail servo-cylinder（21）, oil tank（22）And oil pump（23）, described oil pump（23）Oil inlet connection oil
Tank（22）Oil-out, oil pump（23）Oil-out connection turning machine（5）Oil inlet, described turning machine（5）Oil return opening
Connect oil tank（22）Oil inlet, described turning machine（5）Oil-out connection in servo-cylinder（17）Oil inlet and tail power-assisted
Cylinder（21）Oil inlet, described middle servo-cylinder（17）Oil-out and tail servo-cylinder（21）Oil-out connection turning machine（5）
Oil inlet, described middle servo-cylinder（17）Expansion link connect the second axle steering system in right rocking arm（14）, described tail
Servo-cylinder（21）Expansion link connect the 4th bridge active front steering system right rear steering pull bar（20）.
6. eight wheel according to claim 1, four bridge car steering, it is characterised in that：Described oil pump（23）With storage
Can device（28）Between pipeline on set gradually pressure limiting valve（29）And check valve（30）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610131954.5A CN105584526B (en) | 2016-03-09 | 2016-03-09 | Eight four bridge car steering of wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610131954.5A CN105584526B (en) | 2016-03-09 | 2016-03-09 | Eight four bridge car steering of wheel |
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| Publication Number | Publication Date |
|---|---|
| CN105584526A CN105584526A (en) | 2016-05-18 |
| CN105584526B true CN105584526B (en) | 2018-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610131954.5A Expired - Fee Related CN105584526B (en) | 2016-03-09 | 2016-03-09 | Eight four bridge car steering of wheel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107234388A (en) * | 2017-08-10 | 2017-10-10 | 应夏英 | A kind of energy-conservation work machine for building |
| CN113246659B (en) * | 2021-06-22 | 2022-12-09 | 中国重汽集团济南动力有限公司 | Multi-axle chassis for road transport vehicle |
| CN113771944A (en) * | 2021-08-31 | 2021-12-10 | 浙江中车电车有限公司 | Chassis structure of electric motor coach and steering method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2015372A6 (en) * | 1988-02-04 | 1990-08-16 | Zahnradfabrik Friedrichshafen | Multiple-axle steering system. |
| DE19510208A1 (en) * | 1995-03-21 | 1996-09-26 | Zahnradfabrik Friedrichshafen | Multi-axle steering system for vehicles |
| JP2007223500A (en) * | 2006-02-24 | 2007-09-06 | Komatsu Ltd | Multi-axle vehicle and its steering control device |
| CN103171620B (en) * | 2011-12-21 | 2017-02-15 | 北京市三一重机有限公司 | Multi-axle steering system and multi-axle steering vehicle |
| CN202480775U (en) * | 2011-12-30 | 2012-10-10 | 徐州重型机械有限公司 | Four-shaft automobile chassis and automobile crane with same |
| CN103963825B (en) * | 2014-05-20 | 2016-08-24 | 徐州重型机械有限公司 | A kind of steering and the wheeled heavy-duty vehicle of independent suspension |
| CN205524446U (en) * | 2016-03-09 | 2016-08-31 | 郑州精益达汽车零部件有限公司 | Eight round of four bridge a steering system for passenger train |
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2016
- 2016-03-09 CN CN201610131954.5A patent/CN105584526B/en not_active Expired - Fee Related
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| CN105584526A (en) | 2016-05-18 |
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