CN203666320U - Independent air suspension used for non-driving shaft of medium bus - Google Patents

Independent air suspension used for non-driving shaft of medium bus Download PDF

Info

Publication number
CN203666320U
CN203666320U CN201320726412.4U CN201320726412U CN203666320U CN 203666320 U CN203666320 U CN 203666320U CN 201320726412 U CN201320726412 U CN 201320726412U CN 203666320 U CN203666320 U CN 203666320U
Authority
CN
China
Prior art keywords
arm
suspension
hold
independent air
arranges
Prior art date
Application number
CN201320726412.4U
Other languages
Chinese (zh)
Inventor
刘大飞
雷勇
张乔峤
第五军锋
吴传旺
么广钦
孙永前
Original Assignee
郑州精益达汽车零部件有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 郑州精益达汽车零部件有限公司 filed Critical 郑州精益达汽车零部件有限公司
Priority to CN201320726412.4U priority Critical patent/CN203666320U/en
Application granted granted Critical
Publication of CN203666320U publication Critical patent/CN203666320U/en

Links

Abstract

The utility model relates to an independent air suspension used for a non-driving shaft of a medium bus. The independent air suspension comprises a left suspension body and a right suspension body. The left suspension body and the right suspension body are of the same structure and are arranged symmetrically. The left suspension body and the right suspension body are connected through a stabilizer bar and a steering system. The left suspension body comprises a supporting arm, an airbag is installed at the upper end of the supporting arm, the upper portion of the supporting arm is connected with an upper controlling arm, the upper controlling arm is connected with the supporting arm and a bus frame, the lower portion of the supporting arm is connected with a lower controlling arm, the lower controlling arm is connected with the supporting arm and the bus frame, a wheel edge is connected to the left side of the supporting arm, the right side of the supporting arm is connected with the steering system, the end face of the supporting arm is connected with the lower end of a shock absorber, a stabilizer bar connecting base is arranged on the lower controlling arm and the lower controlling arm of the left suspension body and a lower controlling arm of the right suspension body are connected through the stabilizer bar. The independent air suspension used for the non-driving shaft of the medium bus is light, so that impact load borne by the suspension and transmitted to a bus body is low, the riding comfort and the goods safety are improved, the road holding capacity of tires can further be enhanced and the driving safety is guaranteed.

Description

Medium bus nonpowered axle independent air suspension
technical field:
The utility model relates to passenger vehicle parts technical field, is specifically related to a kind of medium bus nonpowered axle independent air suspension.
background technology:
Along with China's expanding economy, the improving constantly of people's quality of life, user is no longer only confined to its transport capacity aspect to the operating needs of passenger vehicle, and people also progressively improve high level performance requirements such as traveling comfort, road-holding property and safetys.Therefore, traditional passenger vehicle suspension can not meet people's requirement, and people wish further energy-conservation, the lightweight of modern suspension frame structure.
The high performance of independent suspension is that common rigid bridge suspension is incomparable.Requirement according to national legislation " JT/T 325-2006 operating passenger car type is divided and ranking requires ": super-huge Senior Three grade passenger vehicle must use front independent suspension system and follow-up bridge independent suspension system.But due to independent suspension product structure complexity, technical requirements is high, R&D costs are high, existing passenger vehicle manufacturing enterprise of China can't produce the medium bus with independent suspension, therefore, how independent suspension system is applied in medium bus, for existing passenger vehicle manufacturing enterprise or a difficult problem.
utility model content:
In sum, in order to overcome the deficiency of prior art problem, the utility model provides a kind of medium bus nonpowered axle independent air suspension, replaces existing rigid bridge suspension system.The non-suspended mass of the utility model is little, suspension is subject to and to pass to the impact load of vehicle body little, has improved travelling comfort and cargo security, can also improve the adherence properties of tire, ensures driving safety.Beating of left and right wheel is separate, reduced inclination and the vibration of vehicle body.Meanwhile, independent air suspension takes up room little, is convenient to entire arrangement, particularly can reduce the height of driving engine and the height of car load barycenter, is conducive to riding stability.Promoted the technical merit of China's bus industry, promoted industry with and the development of appurtenance.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of medium bus nonpowered axle independent air suspension, wherein: comprise left suspension and right suspension, left suspension is identical with right suspension frame structure and be arranged symmetrically with, described left suspension is connected by stabilizer rod and steering swivel system with right suspension, described left suspension comprises wheel limit, hold-down arm, air bag, bumper, upper suspension arm and Lower control arm, air bag is arranged on the upper end of hold-down arm, the top of hold-down arm is connected with upper suspension arm, upper suspension arm connects hold-down arm and vehicle frame, the bottom of hold-down arm is connected with Lower control arm, Lower control arm connects hold-down arm and vehicle frame, the fifth wheel limit, left side of hold-down arm, the right side of hold-down arm connects steering swivel system, the end face of hold-down arm is connected with the lower end of bumper, stabilizer rod Connection Block is set on Lower control arm, the Lower control arm of left suspension is connected by stabilizer rod with the Lower control arm of right suspension.
Further, described hold-down arm comprises body, body is " T " font structure, the upper end of body arranges air bag mounting hole, the top of body arranges upper suspension arm connecting bore, and the bottom of body arranges Lower control arm connecting bore, and the left side of body arranges wheel limit connecting bore, the end face of body arranges bumper erecting frame, and the right side of body arranges steering track rod Connection Block.
Further, described Lower control arm is " A " font structure.
Further, described upper suspension arm is connected by taper roller rigid bearing with hold-down arm.
Further, described Lower control arm is connected by taper roller rigid bearing with hold-down arm.
Further, described steering swivel system comprises steering track rod, pipe link and pitman arm, and two pitman arms are connected with vehicle frame bottom surface, between two pitman arms, connect by pipe link, and steering track rod one end is arranged in pitman arm, and the other end is connected with hold-down arm.
The beneficial effects of the utility model are:
1, the non-suspended mass of the utility model is little, suspension is subject to and to pass to the impact load of vehicle body little, has improved travelling comfort and cargo security, can also improve the adherence properties of tire, ensures driving safety.Beating of left and right wheel is separate, reduced inclination and the vibration of vehicle body.Meanwhile, independent air suspension takes up room little, is convenient to entire arrangement, particularly can reduce the height of driving engine and the height of car load barycenter, is conducive to riding stability.Promoted the technical merit of China's bus industry, promoted industry with and the development of appurtenance.
2, the utility model is by upper suspension arm and Lower control arm connecting vehicle frame and wheel limit, and upper suspension arm adopts four identical rod members.Lower control arm adopts two identical A type structural members.The length and location of reasonable Arrangement Control arm and steering swivel system leverage, state of kinematic motion that can control wheel limit.Make in operational process, wheel alignment parameter variable quantity is as far as possible little, and wheelspan changes as far as possible little, and turning error is as far as possible little.Thereby the riding stability and the road-holding property that have ensured to greatest extent vehicle have reduced wear on tyres simultaneously.
3, upper and lower Control arm of the present utility model is all connected by tapered roller bearing and pin with hold-down arm, and Control arm can only be rotated around pin, has enough Joint strenghts and deflection stiffness because of it simultaneously, meets the operating needs that suspension is beated.
4, the utility model is simple in structure, easy to use, has improved the riding comfort of medium bus, has increased the ground connection performance of tire, has reduced the impact to vehicle body, has increased the service life of car load.Reduce complete vehicle quality simultaneously, saved oil consumption, reduced operating cost.Owing to having cancelled rigid shaft, that car load floor can be arranged is very low, meets the user demand of low-floor bus.Effectively reduce car load center of gravity simultaneously, improved whole vehicle stability.
brief description of the drawings:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of hold-down arm of the present utility model.
detailed description of the invention:
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As Fig. 1, shown in Fig. 2, a kind of medium bus nonpowered axle independent air suspension, comprise left suspension and right suspension, left suspension is identical with right suspension frame structure and be arranged symmetrically with, described left suspension is connected by stabilizer rod 10 and steering swivel system with right suspension, described left suspension comprises wheel limit 1, hold-down arm 2, air bag 3, bumper 4, upper suspension arm 5 and Lower control arm 6, described hold-down arm 2 comprises body 11, body 11 is " T " font structure, the upper end of body 11 arranges air bag mounting hole 12, the top of body 11 arranges upper suspension arm connecting bore 13, the bottom of body 11 arranges Lower control arm connecting bore 14, the left side of body 11 arranges wheel limit connecting bore 15, the end face of body 11 arranges bumper erecting frame 16, the right side of body 11 arranges steering track rod Connection Block 17.Air bag 3 is arranged on the upper end of hold-down arm 2, the top of hold-down arm 2 is connected with upper suspension arm 5 by tapered roller bearing, upper suspension arm 5 connects hold-down arm 2 and vehicle frame, the bottom of hold-down arm 2 is connected with Lower control arm 6 by tapered roller bearing, Lower control arm 6 connects hold-down arm 2 and vehicle frame, the fifth wheel limit, left side 1 of hold-down arm 2, the right side of hold-down arm 2 connects steering swivel system, the end face of hold-down arm 2 is connected with the lower end of bumper 4, described Lower control arm 6 is " A " font structure, stabilizer rod 10 Connection Blocks are set on Lower control arm 6, the Lower control arm 6 of left suspension is connected by stabilizer rod 10 with the Lower control arm 6 of right suspension.Described steering swivel system comprises steering track rod 9, pipe link 7 and pitman arm 8, two pitman arms 8 are connected with vehicle frame bottom surface, between two pitman arms 8, connect by pipe link 7, steering track rod 9 one end are arranged in pitman arm 8, and the other end is connected with hold-down arm 2.
Be noted that, above-described embodiment is explanation to technical solutions of the utility model 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 solutions of the utility model, within all should being included in the desired interest field of the utility model.

Claims (6)

1. a medium bus nonpowered axle independent air suspension, it is characterized in that: comprise left suspension and right suspension, left suspension is identical with right suspension frame structure and be arranged symmetrically with, described left suspension is connected by stabilizer rod (10) and steering swivel system with right suspension, described left suspension comprises wheel limit (1), hold-down arm (2), air bag (3), bumper (4), upper suspension arm (5) and Lower control arm (6), air bag (3) is arranged on the upper end of hold-down arm (2), the top of hold-down arm (2) is connected with upper suspension arm (5), upper suspension arm (5) connects hold-down arm (2) and vehicle frame, the bottom of hold-down arm (2) is connected with Lower control arm (6), Lower control arm (6) connects hold-down arm (2) and vehicle frame, the fifth wheel limit, left side (1) of hold-down arm (2), the right side of hold-down arm (2) connects steering swivel system, the end face of hold-down arm (2) is connected with the lower end of bumper (4), stabilizer rod (10) Connection Block is set on Lower control arm (6), the Lower control arm (6) of left suspension is connected by stabilizer rod (10) with the Lower control arm (6) of right suspension.
2. medium bus nonpowered axle independent air suspension according to claim 1, it is characterized in that: described hold-down arm (2) comprises body (11), body (11) is " T " font structure, the upper end of body (11) arranges air bag mounting hole (12), the top of body (11) arranges upper suspension arm connecting bore (13), the bottom of body (11) arranges Lower control arm connecting bore (14), the left side of body (11) arranges wheel limit connecting bore (15), the end face of body (11) arranges bumper erecting frame (16), the right side of body (11) arranges steering track rod Connection Block (17).
3. medium bus nonpowered axle independent air suspension according to claim 1, is characterized in that: described Lower control arm (6) is " A " font structure.
4. medium bus nonpowered axle independent air suspension according to claim 1, is characterized in that: described upper suspension arm (5) is connected by taper roller rigid bearing with hold-down arm (2).
5. medium bus nonpowered axle independent air suspension according to claim 1, is characterized in that: described Lower control arm (6) is connected by taper roller rigid bearing with hold-down arm (2).
6. medium bus nonpowered axle independent air suspension according to claim 1, it is characterized in that: described steering swivel system comprises steering track rod (9), pipe link (7) and pitman arm (8), two pitman arms (8) are connected with vehicle frame bottom surface, between two pitman arms (8), connect by pipe link (7), steering track rod (9) one end is arranged in pitman arm (8), and the other end is connected with hold-down arm (2).
CN201320726412.4U 2013-11-18 2013-11-18 Independent air suspension used for non-driving shaft of medium bus CN203666320U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320726412.4U CN203666320U (en) 2013-11-18 2013-11-18 Independent air suspension used for non-driving shaft of medium bus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320726412.4U CN203666320U (en) 2013-11-18 2013-11-18 Independent air suspension used for non-driving shaft of medium bus

Publications (1)

Publication Number Publication Date
CN203666320U true CN203666320U (en) 2014-06-25

Family

ID=50962644

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320726412.4U CN203666320U (en) 2013-11-18 2013-11-18 Independent air suspension used for non-driving shaft of medium bus

Country Status (1)

Country Link
CN (1) CN203666320U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104191925A (en) * 2014-09-05 2014-12-10 徐州重型机械有限公司 Non-driven independent suspension axle and all-terrain crane
CN105882343A (en) * 2016-05-27 2016-08-24 郑州精益达汽车零部件有限公司 Air independent suspension with steering function and for battery electric vehicle driven by wheel edge motor
CN106080082A (en) * 2016-08-09 2016-11-09 广东富华重工制造有限公司 A kind of amortisseur rearmounted air suspension girder and assembly thereof
CN106364309A (en) * 2016-08-31 2017-02-01 郑州精益达汽车零部件有限公司 Double-trailing arm type steering independent suspension for electric bus driven by wheel-side motors

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104191925A (en) * 2014-09-05 2014-12-10 徐州重型机械有限公司 Non-driven independent suspension axle and all-terrain crane
CN105882343A (en) * 2016-05-27 2016-08-24 郑州精益达汽车零部件有限公司 Air independent suspension with steering function and for battery electric vehicle driven by wheel edge motor
CN105882343B (en) * 2016-05-27 2018-03-16 郑州精益达汽车零部件有限公司 The pure electric coach of wheel motor driving is used with the air independent suspension turned to
CN106080082A (en) * 2016-08-09 2016-11-09 广东富华重工制造有限公司 A kind of amortisseur rearmounted air suspension girder and assembly thereof
CN106364309A (en) * 2016-08-31 2017-02-01 郑州精益达汽车零部件有限公司 Double-trailing arm type steering independent suspension for electric bus driven by wheel-side motors

Similar Documents

Publication Publication Date Title
CA2725346C (en) A monorail bogie assembly comprising a linking member
CN102363408B (en) Self compensation floating swing arm independent suspension system
CN204587010U (en) A kind of automobile steering knuckle with shock-absorbing function
CN103317988A (en) Independent wheel suspension system for a motor vehicle
CN203093660U (en) Independent air suspension frame of small and medium size bus
CN202879176U (en) Four-connection-rod independent rear suspension frame of automobile
CN205365626U (en) Bogie and install low -floor rail vehicle of this bogie
CN203372249U (en) Large-axle-load railway vehicle bogie
CN204605835U (en) A kind of high speed railway car bogie truck
CN103660829B (en) A kind of McPherson automobile front suspension structure
CN103112466B (en) Rail vehicle truck
CN103523036B (en) Low floor train radial steering
CN103121387B (en) MacPherson air suspension and assembly method thereof
CN204264160U (en) A kind of two stage stiffness axle box rubber spring
CN104627196A (en) Bogie of high-speed railway vehicle
CN201346970Y (en) Front independent suspension system for light and medium buses
CN203543564U (en) Vehicular double-wishbone suspension structure and vehicle
CN102627061B (en) Multi-connecting-rod rectilinear movement hanger bracket adopting ball spline pair
CN201961326U (en) Top surface supporting type radial bogie
CN201784425U (en) Front axle of large-size electric-wheel self-dumping mining truck
CN102490753A (en) Traction pull rod device of railway wagon bogie
CN102431592B (en) All-terrain four-wheel-drive cross country vehicle chassis and vehicle thereof
CN202541243U (en) Suspension mechanism of vehicle and vehicle with suspension mechanism
CN204432286U (en) A kind of leaf spring staggered form balance suspension
CN105584309A (en) Coupled Torsion Beam Axle Type Of Suspension System

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model