CN105584526A - Steering system for eight-wheel four-axle passenger car - Google Patents

Steering system for eight-wheel four-axle passenger car Download PDF

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Publication number
CN105584526A
CN105584526A CN201610131954.5A CN201610131954A CN105584526A CN 105584526 A CN105584526 A CN 105584526A CN 201610131954 A CN201610131954 A CN 201610131954A CN 105584526 A CN105584526 A CN 105584526A
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CN
China
Prior art keywords
steering
oil
bridge
cylinder
axle
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Granted
Application number
CN201610131954.5A
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Chinese (zh)
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CN105584526B (en
Inventor
吕习奎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Jingyida Auto Parts Co Ltd
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Zhengzhou Jingyida Auto Parts Co Ltd
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Priority to CN201610131954.5A priority Critical patent/CN105584526B/en
Publication of CN105584526A publication Critical patent/CN105584526A/en
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Publication of CN105584526B publication Critical patent/CN105584526B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D5/00Power-assisted or power-driven steering
    • B62D5/06Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/12Torque-transmitting axles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D5/00Power-assisted or power-driven steering
    • B62D5/06Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/08Power-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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D6/00Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
    • B62D6/02Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to vehicle speed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D7/00Steering linkage; Stub axles or their mountings
    • B62D7/20Links, e.g. track rods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D7/00Steering linkage; Stub axles or their mountings
    • B62D7/22Arrangements for reducing or eliminating reaction, e.g. vibration, from parts, e.g. wheels, of the steering system
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00Type of vehicle
    • B60Y2200/10Road Vehicles
    • B60Y2200/11Passenger cars; Automobiles

Abstract

The invention relates to a steering system for an eight-wheel four-axle passenger car. The steering system comprises a direction control device, a steering engine, a power-assisted steering system, a first-axle steering system, a second-axle steering system, a fourth-axle active steering system and an active steering control system, wherein the direction control device transmits steering action to the steering engine, the first-axle steering system controls steering of a left wheel and a right wheel of a first axle, the second-axle steering system controls steering of a left wheel and a right wheel of a second axle, the fourth-axle active steering system controls steering of a left wheel and a right wheel of a fourth axle, and the active steering control system controls the fourth-axle active steering system according to the speed of the passenger car. According to the steering system, due to the fact that the fourth axle of the eight-wheel four-axle passenger car is designed to be a servo axle, the rotation center of the passenger car can be moved onto the axis of a third axle, the stress form of rear wheels of the eight-wheel four-axle passenger car during turning can be changed, sliding friction can be changed into rolling friction, friction force can be reduced, wearing of tires of the rear wheels during turning can be reduced, the service life of the tires can be guaranteed, and the operation cost of the passenger car can be reduced.

Description

Eight take turns four bridge passenger vehicle steering
Technical field:
The present invention relates to multiaxis passenger vehicle steering technical field, be specifically related to a kind of eight and take turns four bridge passenger vehicle steering.
Background technology:
Along with the development of China's automotive engineering, in passenger vehicle field, multiaxis passenger vehicle is more and more subject to client's favor by means of the feature that its loading capacity is large, average fuel consumption is low. as modal eight taken turns four bridge passenger vehicles in the market, especially eight take turns four bridge pure electric coach, rely on its powerful bearing capacity and energy-conserving and environment-protective performance, promoted widely in city bus field, but, existing eight take turns four bridge passenger vehicles, double steering propons+bis-rigid rear axle the structures that adopt more, , 8 two front axles of taking turns four bridge passenger vehicles are steeraxle, after two, vehicle bridge is drive axle, drive axle adopts rigidity driving axle, be not with turning function, in the time that passenger vehicle turns to, turning to of car load is instantaneous after two on the middle parallel lines between vehicle bridge, when Vehicular turn, after two the wheel of vehicle bridge towards remain passenger vehicle before turning to towards, rear wheel direction now and front vehicle wheel are towards inconsistent, front vehicle wheel pulls rear wheel, sliding friction between rear wheel and ground, cause the tire wear of two rear axle of passenger vehicles extremely serious, serious service life of reducing passenger vehicle rear tyre, increase passenger vehicle operating cost.
Summary of the invention:
In sum, in order to overcome the deficiency of prior art problem, the invention provides a kind of eight and take turns four bridge passenger vehicle steering, it is that existing 8 the 3rd bridges of taking turns four bridge passenger vehicles are kept to rigidity driving axle, the 4th bridge is designed to initiatively vehicle bridge, like this can be by instantaneous turning to of the passenger vehicle axis that moves to passenger vehicle the 3rd bridge, when passenger vehicle is turned, eight wheels of passenger vehicle are all around the instantaneous rotation of turning to of passenger vehicle, change the stress form of existing eight rear wheels of taking turns four bridge passenger vehicles in the time turning, sliding friction is become to rolling friction, reduce friction, the tire wear of rear wheel while alleviating passenger vehicle turning, ensure Using Life of Tyre, reduce passenger vehicle operating cost.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of eight take turns four bridge passenger vehicle steering, wherein: comprise direction operation device, steering box, steering boost system, the 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 steering box, the output of steering box connects the first axle steering system, the first axle steering system connects the second axle steering system by cylinder lever connecting rod, steering boost system is the first axle steering system, the second axle steering system and the 4th bridge active front steering system provide power steering, go to action is passed to steering box by described direction operation device, the left and right wheels of first axle steering system control the first bridge turns to, the left and right wheels of second axle steering system control the second bridge turns to, the left and right wheels of the 4th bridge active front steering system control the 4th bridge turns to, active steering control system is according to passenger car speed control system the 4th bridge active front steering system.
Technical scheme of the present invention can also be achieved in that the first described axle steering system comprises plumbing arm, short rod, front left rocking arm, front right rocking arm, front drag link, front steering track-rod and cylinder lever connecting rod, described plumbing arm one end connects steering box, the plumbing arm other end connects one end of short rod, the other end of short rod connects front left rocking arm, front left rocking arm connects front right rocking arm by front drag link, front left rocking arm connects the second axle steering system by cylinder lever connecting rod, and described front left rocking arm and front right rocking arm connect respectively the left and right wheels of the first bridge by front steering track-rod.
Technical scheme of the present invention can also be achieved in that the second described axle steering system comprises middle left rocking arm, middle right rocking arm, middle drag link and middle steering linkage, in described, left rocking arm connects front left rocking arm by cylinder lever connecting rod, middle left rocking arm is connected by middle drag link with middle right rocking arm, and middle left rocking arm and middle right rocking arm connect respectively the left and right wheels of the second bridge by middle steering linkage.
Technical scheme of the present invention can also be achieved in that the 4th described bridge active front steering system comprises rear steering rocking arm, left back steering linkage and right back steering linkage, described rear steering rocking arm is triangular form structure, the left end of triangular form rear steering rocking arm connects the 4th bridge left side wheel by left back steering linkage, the right-hand member of rear steering rocking arm connects the 4th bridge right side wheels by right back steering linkage, and the middle part of rear steering rocking arm connects bus body.
Technical scheme of the present invention can also be achieved in that described direction operation device comprises steering wheel, steering column, commutator and kinematic link, described steering wheel connects the upper end of steering column, the lower end of steering column connects commutator, commutator connects steering box by kinematic link, and the vertical rotation of steering column is converted to horizontally rotating of kinematic link by commutator.
Technical scheme of the present invention can also be achieved in that described steering boost system comprises middle servo-cylinder, tail servo-cylinder, oil tank and oil pump, the oil-in of described oil pump is communicated with the oil-out of oil tank, the oil-out of oil pump is communicated with the oil-in of steering box, the oil return opening of described steering box is communicated with the oil-in of oil tank, the oil-in of servo-cylinder and the oil-in of tail servo-cylinder during the oil-out of described steering box is communicated with, the oil-out of the oil-out of described middle servo-cylinder and tail servo-cylinder is communicated with the oil-in of steering box, the expansion link of described middle servo-cylinder connect the second axle steering system in right rocking arm, the expansion link of described tail servo-cylinder connects the right back steering linkage of the 4th bridge active front steering system.
Technical scheme of the present invention can also be achieved in that described active steering control system comprises control oil cylinder, control valve, start cylinder, locking cylinder and accumulator, the oil-in of described accumulator is communicated with the oil-out of oil pump, the oil-out of described accumulator is communicated with the oil-in of locking cylinder, the oil-out of locking cylinder is communicated with oil tank, described locking cylinder and start cylinder are structure as a whole, locking cylinder and start cylinder share expansion link, expansion link connects the left back steering linkage of the 4th bridge active front steering system, the oil-in of described start cylinder and oil-out are communicated with respectively oil-in and the oil-out of controlling oil cylinder by pipeline, on pipeline, be provided with control valve, the expansion link of controlling oil cylinder connects the plumbing arm of the first axle steering system.
Technical scheme of the present invention can also be achieved in that on the pipeline between described oil pump and accumulator and set gradually pressure limiting valve and check valve.
Beneficial effect of the present invention is:
1, existing 8 the 3rd bridges of taking turns four bridge passenger vehicles are kept rigidity driving axle by the present invention, the 4th bridge is designed to initiatively vehicle bridge, like this can be by instantaneous turning to of the passenger vehicle axis that moves to passenger vehicle the 3rd bridge, when passenger vehicle is turned, eight wheels of passenger vehicle are all around the instantaneous rotation of turning to of passenger vehicle, change the stress form of existing eight rear wheels of taking turns four bridge passenger vehicles in the time turning, sliding friction is become to rolling friction, reduce friction, the tire wear of rear wheel while alleviating passenger vehicle turning, ensure Using Life of Tyre, reduce passenger vehicle operating cost.
2, between the first axle steering system of the present invention and the second axle steering system, be connected by cylinder lever connecting rod, after go to action is passed to the first bridge by steering box 5, the first axle steering system drives the second axle steering system to turn to by cylinder lever connecting rod, realize the interlock that turns between the second bridge and the first bridge by cylinder lever connecting rod, drive the action of start cylinder by controlling oil cylinder, realize the interlock that turns between the 4th bridge and the first bridge.
3, the source of the power fluid force feed of middle servo-cylinder of the present invention and tail servo-cylinder is all from steering box, the power resources of steering box are the oil tanks connecting by oil pump,, the first bridge of the present invention turns to, the active steering of the second bridge steering box the 4th bridge is all subject to steering box control.
4, the oil inlet and outlet of start cylinder of the present invention passes through pipeline communication with the oil inlet and outlet of controlling oil cylinder, control valve is set on pipeline, control valve is subject to passenger car speed control system, in the time that passenger vehicle runs at a low speed, control valve is not worked, the oil inlet and outlet of start cylinder passes through pipeline communication with the oil inlet and outlet of controlling oil cylinder, the expansion link of controlling oil cylinder is communicated with the plumbing arm of the first axle steering system, in the time that passenger vehicle turns to, plumbing arm swings, the expansion link of control oil cylinder is stretched or is compressed, hydraulic oil flows between control oil cylinder and start cylinder, start cylinder control the 4th steering action, make passenger vehicle the 4th bridge active steering, in the time that passenger vehicle is run at high speed, control valve work, disconnect oil circuit, control in-oil cylinder hydraulic oil and cannot enter start cylinder, the 4th steering is at locking cylinder effect positive locking next time, when guarantee is run at high speed, eliminated passenger vehicle trailing wheel while running at high speed shimmy, prevent the violent shimmy out-of-control phenomenon that occur of passenger vehicle because of wheel.
5, the present invention simple in structure, easy to use, conceive novel, with low cost, can realize existing eight take turns four bridge passenger vehicles the first bridge, the second bridge and the 4th bridge turn to interlock, can effectively overcome passenger vehicle rear tyre serious wear, the problem that the rear tyre life-span is short.
Brief description of the drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is steering principle schematic diagram of the present invention.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As Fig. 1, shown in Fig. 2, a kind of eight take turns four bridge passenger vehicle steering, comprise direction operation device, steering box 5, steering boost system, the first axle steering system, the second axle steering system, the 4th bridge active front steering system and active steering control system, direction operation device comprises steering wheel 1, steering column 2, commutator 3 and kinematic link 4, steering wheel 1 connects the upper end of steering column 2, the lower end of steering column 2 connects commutator 3, commutator 3 connects the input of steering box 5 by kinematic link 4, the vertical rotation of steering column 2 is converted to horizontally rotating of kinematic link 4 by commutator 3, the output of steering box 5 connects the first axle steering system.
The first axle steering system comprises plumbing arm 6, short rod 7, front left rocking arm 8, front right rocking arm 9, front drag link 10, front steering track-rod 11 and cylinder lever connecting rod 12, plumbing arm 6 one end connect the output of steering box 5, plumbing arm 6 other ends connect controls the expansion link of oil cylinder 24 and one end of short rod 7, the other end of short rod 7 connects front left rocking arm 8, front left rocking arm 8 connects front right rocking arm 9 by front drag link 10, and front left rocking arm 8 and front right rocking arm 9 connect respectively the left and right wheels of the first bridge 31 by front steering track-rod 11. Front left rocking arm 8 connects the second axle steering system by cylinder lever connecting rod 12.
The second axle steering system comprises middle left rocking arm 13, middle right rocking arm 14, middle drag link 15 and middle steering linkage 16, in described, left rocking arm 13 connects front left rocking arm 8 by cylinder lever connecting rod 12, middle left rocking arm 13 is connected by middle drag link 15 with middle right rocking arm 14, middle left rocking arm 13 and middle right rocking arm 14 connect respectively the left and right wheels of the second bridge 32 by middle steering linkage 16, on middle right rocking arm 14, be provided with middle servo-cylinder 17, right rocking arm 14 during the expansion link of middle servo-cylinder 17 connects.
Steering boost system provides power steering for the first axle steering system, the second axle steering system and the 4th bridge active front steering system, the 4th bridge active front steering system comprises rear steering rocking arm 18, left back steering linkage 19 and right back steering linkage 20, described rear steering rocking arm 18 is triangular form structure, the left end of triangular form rear steering rocking arm 18 connects the 4th bridge 33 left side wheel by left back steering linkage 19, the right-hand member of rear steering rocking arm 18 connects the 4th bridge 33 right side wheels by right back steering linkage 20, and the middle part of rear steering rocking arm 18 connects bus body.
Steering boost system comprises middle servo-cylinder 17, tail servo-cylinder 21, oil tank 22 and oil pump 23, the oil-in of described oil pump 23 is communicated with the oil-out of oil tank 22, the oil-out of oil pump 23 is communicated with the oil-in of steering box 5, the oil return opening of described steering box 5 is communicated with the oil-in of oil tank 22, the oil-in of servo-cylinder 17 and the oil-in of tail servo-cylinder 21 during the oil-out of described steering box 5 is communicated with, the oil-out of described middle servo-cylinder 17 and the oil-out of tail servo-cylinder 21 are communicated with the oil-in of steering box 5, the expansion link of described middle servo-cylinder 17 connect the second axle steering system in right rocking arm 14, the expansion link of described tail servo-cylinder 21 connects the right back steering linkage 20 of the 4th bridge active front steering system.
Active steering control system is according to passenger car speed control system the 4th bridge active front steering system, active steering control system comprises controls oil cylinder 24, control valve 25, start cylinder 26, locking cylinder 27 and accumulator 28, the oil-in of accumulator 28 is communicated with the oil-out of oil pump 23, on pipeline between oil pump 23 and accumulator 28, set gradually pressure limiting valve 29 and check valve 30, the oil-out of accumulator 28 is communicated with the oil-in of locking cylinder 27, the oil-out of locking cylinder 27 is communicated with oil tank 22, described locking cylinder 27 is structure as a whole with start cylinder 26, locking cylinder 27 shares expansion link with start cylinder 26, expansion link connects the left back steering linkage 19 of the 4th bridge active front steering system, the oil-in of described start cylinder 26 and oil-out are communicated with respectively oil-in and the oil-out of controlling oil cylinder 24 by pipeline, on pipeline, be provided with control valve 25, the expansion link of controlling oil cylinder 24 connects the plumbing arm 6 of the first axle steering system, described control valve 25 is magnetic valve.
The actuating signal of setup control valve 25 is speed of a motor vehicle 40km/h.
When use, when turning to when operating personnel's direction of operating dish 1, go to action is passed to steering column 2 by steering wheel 1, after commutator 3 commutations, go to action is passed to steering box 5 by kinematic link 4, the hydraulic oil in oil tank 22 is flowed to steering box 5 by oil pump 23, steering box 5 moves, drive plumbing arm 6 to swing, drive front left rocking arm 8 to move by short rod 7, during front left rocking arm 8 drives by cylinder lever connecting rod 12, left rocking arm 13 moves, front left rocking arm 8 drives front right rocking arm 9 to move by front drag link 10, front left rocking arm 8 and front right rocking arm 9 turn to two of the left and right wheel of passenger vehicle the first bridge 31 by front steering track-rod 11 respectively, during middle left rocking arm 13 drives by middle drag link 15, right rocking arm 14 moves, middle left rocking arm 13 and middle right rocking arm 14 drive the left and right wheels of passenger vehicle the second bridge 32 to turn to by middle steering linkage 16 respectively, realize synchronously turning to of passenger vehicle the first bridge 31 and the second bridge 32. steering box 5 is to middle servo-cylinder 17 conveying liquid force feeds, provides power steering by middle servo-cylinder 17 for turning to of the second bridge 32.
Plumbing arm 6 swings, the expansion link of the control oil cylinder 24 that stretching or compression are connected with plumbing arm 6, passenger vehicle is when travelling lower than the speed of 40km/h, control valve 25 is not worked, controlling oil cylinder 24 is communicated with start cylinder 26, plumbing arm 6 stretches or the expansion link of compression control oil cylinder 24, the action of expansion link is flowed hydraulic oil between control oil cylinder 24 and start cylinder 26, the expansion link of start cylinder 26 connects the left back steering linkage 19 of the 4th bridge active front steering system, drive the left wheel of the 4th bridge 33 to rotate by left back steering linkage 19, left back steering linkage 19 drives the right vehicle wheel rotation of the 4th bridge 33 by rear steering rocking arm 18 and right back steering linkage 20, thereby realizing passenger vehicle the 4th bridge 33 synchronizes and turns to the first bridge 31 and the second bridge 32. steering box 5 is to tail servo-cylinder 21 conveying liquid force feeds, provides power steering by tail servo-cylinder 21 for turning to of the 4th bridge 33.
When passenger vehicle turn to complete, steering wheel 1 time just, the reverse action of steering box 5, plumbing arm 6 times just, the first bridge 31, the second bridge 32 and the 4th bridge 33 is synchronous is just returning.
When the passenger vehicle speed of a motor vehicle is during higher than 40km/h, control valve 25 is worked, the oil circuit of controlling between oil cylinder 24 and start cylinder 26 disconnects, now, plumbing arm 6 swings, the expansion link of stretching or compression control oil cylinder 24, because oil circuit disconnects, now control the hydraulic oil self-loopa in the cylinder body of controlling oil cylinder 24 in oil cylinder 24, now, locking cylinder 27 moves under the effect of accumulator 28, make the 4th bridge just also pass through locking cylinder 27 lockings the 4th bridge 33 33 times, when guarantee is run at high speed, eliminated passenger vehicle trailing wheel while running at high speed shimmy, prevent the violent shimmy out-of-control phenomenon that occur of passenger vehicle because of wheel.
Be noted that, above-described embodiment is explanation to technical solution of the present invention and unrestricted, other amendment that is equal to replacement or makes according to prior art of affiliated technical field those of ordinary skill, as long as do not exceed thinking and the scope of technical solution of the present invention, within all should being included in interest field of the presently claimed invention.

Claims (8)

1. take turns four bridge passenger vehicle steering for one kind eight, it is characterized in that: comprise direction operation device, steering box (5), steering boost system, the 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 steering box (5), the output of steering box (5) connects the first axle steering system, the first axle steering system connects the second axle steering system by cylinder lever connecting rod (12), steering boost system is the first axle steering system, the second axle steering system and the 4th bridge active front steering system provide power steering, go to action is passed to steering box (5) by described direction operation device, the left and right wheels of first axle steering system control the first bridge (31) turns to, the left and right wheels of second axle steering system control the second bridge (32) turns to, the left and right wheels of the 4th bridge active front steering system control the 4th bridge (33) turns to, active steering control system is according to passenger car speed control system the 4th bridge active front steering system.
2. according to claim 1 eight take turns four bridge passenger vehicle steering, it is characterized in that: the first described axle steering system comprises plumbing arm (6), short rod (7), front left rocking arm (8), front right rocking arm (9), front drag link (10), front steering track-rod (11) and cylinder lever connecting rod (12), described plumbing arm (6) one end connects steering box (5), plumbing arm (6) other end connects one end of short rod (7), the other end of short rod (7) connects front left rocking arm (8), front left rocking arm (8) connects front right rocking arm (9) by front drag link (10), front left rocking arm (8) connects the second axle steering system by cylinder lever connecting rod (12), described front left rocking arm (8) and front right rocking arm (9) connect respectively the left and right wheels of the first bridge (31) by front steering track-rod (11).
3. according to claim 1 eight take turns four bridge passenger vehicle steering, it is characterized in that: the second described axle steering system comprises middle left rocking arm (13), middle right rocking arm (14), middle drag link (15) and middle steering linkage (16), in described, left rocking arm (13) connects front left rocking arm (8) by cylinder lever connecting rod (12), middle left rocking arm (13) is connected by middle drag link (15) with middle right rocking arm (14), and middle left rocking arm (13) and middle right rocking arm (14) connect respectively the left and right wheels of the second bridge (32) by middle steering linkage (16).
4. according to claim 1 eight take turns four bridge passenger vehicle steering, it is characterized in that: the 4th described bridge active front steering system comprises rear steering rocking arm (18), left back steering linkage (19) and right back steering linkage (20), described rear steering rocking arm (18) is triangular form structure, the left end of triangular form rear steering rocking arm (18) connects the 4th bridge (33) left side wheel by left back steering linkage (19), the right-hand member of rear steering rocking arm (18) connects the 4th bridge (33) right side wheels by right back steering linkage (20), the middle part of rear steering rocking arm (18) connects bus body.
5. according to claim 1 eight take turns four bridge passenger vehicle steering, it is characterized in that: described direction operation device comprises steering wheel (1), steering column (2), commutator (3) and kinematic link (4), described steering wheel (1) connects the upper end of steering column (2), the lower end of steering column (2) connects commutator (3), commutator (3) connects steering box (5) by kinematic link (4), and the vertical rotation of steering column (2) is converted to horizontally rotating of kinematic link (4) by commutator (3).
6. according to claim 1 eight take turns four bridge passenger vehicle steering, it is characterized in that: described steering boost system comprises middle servo-cylinder (17), tail servo-cylinder (21), oil tank (22) and oil pump (23), the oil-in of described oil pump (23) is communicated with the oil-out of oil tank (22), the oil-out of oil pump (23) is communicated with the oil-in of steering box (5), the oil return opening of described steering box (5) is communicated with the oil-in of oil tank (22), the oil-in of servo-cylinder (17) and the oil-in of tail servo-cylinder (21) during the oil-out of described steering box (5) is communicated with, the oil-out of described middle servo-cylinder (17) and the oil-out of tail servo-cylinder (21) are communicated with the oil-in of steering box (5), the expansion link of described middle servo-cylinder (17) connect the second axle steering system in right rocking arm (14), the expansion link of described tail servo-cylinder (21) connects the right back steering linkage (20) of the 4th bridge active front steering system.
7. according to claim 1 eight take turns four bridge passenger vehicle steering, it is characterized in that: described active steering control system comprises controls oil cylinder (24), control valve (25), start cylinder (26), locking cylinder (27) and accumulator (28), the oil-in of described accumulator (28) is communicated with the oil-out of oil pump (23), the oil-out of described accumulator (28) is communicated with the oil-in of locking cylinder (27), the oil-out of locking cylinder (27) is communicated with oil tank (22), described locking cylinder (27) is structure as a whole with start cylinder (26), locking cylinder (27) shares expansion link with start cylinder (26), expansion link connects the left back steering linkage (19) of the 4th bridge active front steering system, the oil-in of described start cylinder (26) and oil-out are communicated with respectively oil-in and the oil-out of controlling oil cylinder (24) by pipeline, on pipeline, be provided with control valve (25), the expansion link of controlling oil cylinder (24) connects the plumbing arm (6) of the first axle steering system.
8. according to claim 7 eight take turns four bridge passenger vehicle steering, it is characterized in that: on the pipeline between described oil pump (23) and accumulator (28), set gradually pressure limiting valve (29) and check valve (30).
CN201610131954.5A 2016-03-09 2016-03-09 Eight four bridge car steering of wheel Active CN105584526B (en)

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CN105584526B CN105584526B (en) 2018-03-20

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107234388A (en) * 2017-08-10 2017-10-10 应夏英 A kind of energy-conservation work machine for building
CN113246659A (en) * 2021-06-22 2021-08-13 中国重汽集团济南动力有限公司 Multi-axle chassis for road transport vehicle
WO2023029177A1 (en) * 2021-08-31 2023-03-09 浙江中车电车有限公司 Chassis structure of electric bus and steering method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5099939A (en) * 1988-02-04 1992-03-31 Zahnradfabrik Friedrichshafen, Ag Multi-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
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
CN103171620A (en) * 2011-12-21 2013-06-26 北京市三一重机有限公司 Multi-axle steering system and multi-axle steering vehicle
CN103963825A (en) * 2014-05-20 2014-08-06 徐州重型机械有限公司 Steering system and independent suspension wheel type overload vehicle
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5099939A (en) * 1988-02-04 1992-03-31 Zahnradfabrik Friedrichshafen, Ag Multi-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
CN103171620A (en) * 2011-12-21 2013-06-26 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
CN103963825A (en) * 2014-05-20 2014-08-06 徐州重型机械有限公司 Steering system and independent suspension wheel type overload vehicle
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107234388A (en) * 2017-08-10 2017-10-10 应夏英 A kind of energy-conservation work machine for building
CN113246659A (en) * 2021-06-22 2021-08-13 中国重汽集团济南动力有限公司 Multi-axle chassis for road transport vehicle
WO2023029177A1 (en) * 2021-08-31 2023-03-09 浙江中车电车有限公司 Chassis structure of electric bus and steering method

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