CN2721433Y - Air suspending system of bus - Google Patents
Air suspending system of bus Download PDFInfo
- Publication number
- CN2721433Y CN2721433Y CN 200420027096 CN200420027096U CN2721433Y CN 2721433 Y CN2721433 Y CN 2721433Y CN 200420027096 CN200420027096 CN 200420027096 CN 200420027096 U CN200420027096 U CN 200420027096U CN 2721433 Y CN2721433 Y CN 2721433Y
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- CN
- China
- Prior art keywords
- air
- passenger vehicle
- adjusting valve
- suspension
- height adjusting
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- Expired - Lifetime
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Abstract
The utility model relates to an air suspending system of the bus, comprising a front and back air suspending assembly. A longitudinal arm of the front air suspending is double longitudinal arms. The double longitudinal arms are connected with a front connecting hanger and a front axle supporting base, forming a parallelogrammic guide structure with four connecting rods. The connecting positions between the longitudinal arm and the connecting hanger and the front axle supporting base are provided with noise suppressive shim blocks. Longitudinal guide springs of the back air suspending are Z-shaped. The left longitudinal guide spring and the right longitudinal guide spring are hinged with the back connecting hanger through an eccentric mechanism. The altitude mixture control valve has the crouching function. The utility model has the reasonable structure and the controlability for larger range. The air suspending system having same height of the series buses from 7m to 8m can match with the buses. After adopting the suspending system, the comfort in the running of the bus is greatly improved. Furthermore, because of adopting the domestic elements partly, the product has the maximum cost performance.
Description
Technical field
The utility model relates to the suspension system of car chassis, is specifically related to the suspension system of bus chassis.
Background technology
Suspension is one of important assembly on the modern automobile, and it flexibly couples together vehicle frame (or vehicle body) and axletree (or wheel).Its main task is a shear force and the moment of transfer function between wheel and vehicle frame (or vehicle body), and relaxes the impact load that is passed to vehicle frame (or vehicle body) by uneven road surface, and the vibration of the bearing system that decay causes thus is to guarantee smooth-going the travelling of automobile.Passenger vehicle suspension system early is main load-carrying unit with steel spring, and the impact load that this kind suspension passes to vehicle frame is big.
Western countries such as America and Europe and Japan begin to adopt the air spring suspension system on large and medium bus at the mid-80, spread to nearly all bus range later on gradually; Domestic at 90 for just beginning on motor omnibus to be equipped with the air spring suspension system latter stage, main application vehicle is 9～12 meters motorcoachs, on 7～8 meters medium bus, use less, and the overwhelming majority is and external joint or cooperative production in application of air suspension system, have in addition directly select external chassis for use.The high-grade motorcoach that the HFF612GD that produces as Anhui Keyes's Bauer automobile Company Limited by Shares and two kinds of models of HFF6100K05 have the air spring suspension system adopts the chassis technology of German Keyes's Bauer car company.What the XW6920B6 of Xi'an Volvo Cars Co., Ltd production and two kinds of models of XW6120B10M had that the high-grade motorcoach of air spring suspension system adopts respectively is the VOLVOB6 of Volvo Aktiebolaget and the chassis of two kinds of models of VOLVOB10M.What north bus was equipped with that the BFC6124W of air spring suspension and BFL6120～1D two luxury car introduce is Buddhist nun Pulan difficult to understand technology.What the air spring suspension system of the YBL6120H motorcoach of AsiaSat～M-B car Co., Ltd adopted is German M-B car technology.The air spring suspension system of the imperial car company of Xiamen gold then is the chassis of the German MAN of direct buying company.
Therefore, just present China auto trade, the air spring suspension system adopts foreign technology, and its shortcoming is to cost an arm and a leg, with the shortage of the product in the past inheritance of China.In addition, external airsuspension system is structurally also unreasonable, on considering in design, considers the national conditions of China, and promptly pavement quality is not high, and it is lack of standardization sometimes etc. that personnel take number, so the problem of some influence uses occurred.
Summary of the invention
Lack the inheritance problem in order to solve the unreasonable product in the past of existing airsuspension system structure with China, the airsuspension system structure that the utility model provides has more reasonableness, adopt non-independence or air suspension to guarantee to a great extent and the inheritance of product in the past, key components and parts can be selected external matured product for use, and select for use at the parts of some domestic maturations, be based on homemade manufacturing, make product have maximum cost performance.
Technical solutions of the utility model: a kind of passenger vehicle airsuspension system, form by forward and backward air suspension assembly, connect suspension bracket, air bellow, vertical arm, bumper, lateral rod, preceding bridge seat, height adjusting valve and height regulating rod before the front air suspension assembly comprises; Back air suspension assembly comprises that the back connects the control cock of suspension bracket, air bellow, longitudinally guiding spring, bumper, lateral rod, back spring upper cover plate, saddle clamp, crossbeam and height, the vertical arm that it is characterized in that described front air suspension is two vertically arms, two vertical arms with preceding be connected suspension bracket and be connected with preceding bridge seat, constitute four connecting rod guide frames of parallelogram.Vertically arm is provided with noise abatement sound pad with the connecting portion that is connected suspension bracket, preceding bridge seat.The longitudinally guiding spring of described back air suspension, its shape is Z-shaped, left and right sides longitudinally guiding spring with after to be connected suspension bracket be that eccentric mechanism is hinged.Described height adjusting valve is connected with the control cock of manually going down on one's knees by pilot piping.The exhausr port of described height adjusting valve has been installed noise silencer.
The utility model beneficial effect: rational in infrastructure, have modulability in the larger context, can be 7 meters to the 8 meters identical airsuspension systems of serial passenger vehicle coupling; Can improve the traveling comfort that passenger vehicle is in operation greatly after adopting this suspension system.In addition, because part has been selected homemade parts for use, make product have maximum cost performance.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the utility model suspension assembly scheme drawing.
Fig. 2 is the vertical arm connection diagram of front suspension.
Fig. 3 is the utility model rear overhang assembly scheme drawing.
Fig. 4 is the hinged cross-sectional schematic of eccentric mechanism.
Fig. 5 is a rear suspension height adjusting valve scheme of installation.
Fig. 6 is the structural scheme of mechanism of going down on one's knees.
Among the figure 1, preceding connection suspension bracket, 2, vertical arm, 3, preceding bridge seat, 4, air bellow, 5, the West Asia bolt that rides over, 6, height adjusting valve, 7, height regulating rod, 8, the longitudinally guiding spring, 9, saddle clamp, 10, back axle assembly, 11, back spring upper cover plate, 12, the back connects suspension bracket, and 13, frame assembly, 14, lateral rod, 15, bumper, 16, longitudinally guiding spring connecting pin, 17, outside eccentric wheel, 18, inboard washer, 19, the manual control cock of going down on one's knees, 20, control road pipe.
The specific embodiment
Referring to Fig. 1,2,3, the utility model is made up of forward and backward air suspension assembly, connects suspension bracket 1 before the front air suspension assembly comprises, air bellow 4, vertically arm 2, bumper 5, lateral rod 14, preceding bridge seat 3, height adjusting valve 6 and high meter adjust bar 7.The preceding upper end that connects suspension bracket 1 and air bellow 4 is connected on the frame assembly, and air bellow 4 lower ends are connected with preceding bridge seat 3.Between preceding bridge seat 3 and preceding connection suspension bracket 1, adopt two vertically arm configurations as guide frame.The parallelogram four-bar linkage structure of the vertical arm of this pair can guarantee that the front-wheel kingpin caster angle of propons remains unchanged under any state of kinematic motion.And corresponding turning efficiency can not influence because of the variation of suspension; In order to guarantee that two vertically arm on the gos keep good exercise performance, prevent because of fricative noise, vertical arm 2 with preceding be connected the noise abatement pad that suspension bracket 1, preceding bridge seat 3 connecting portions employing rubber, High molecular material constitute jointly, with the noise of reducing friction.
Back air suspension assembly comprises that mainly the back connects suspension bracket 12, air bellow 4, longitudinally guiding spring 8, bumper 5, lateral rod 14, height adjusting valve 6, levelling valve adjust bar 7 and connects fastener accordingly; Back air suspension adopts longitudinally guiding spring 8 guide frames of Z-shaped special shape, makes the back air suspension reach optimization at work by this geometry, maximum elimination the issuable distortion of back axle on the go.Longitudinally guiding spring 8 profiles are similar to second, adopt the spring steel to roll to form and carry out modified heat treatment.Rear suspension left and right sides longitudinally guiding spring 8 with after be connected suspension bracket 12 hinged places and adopt eccentric mechanism, can adjust size within the specific limits like this, remedy because of manufacturing errors produces axis of thrust error, conveniently install, debugging with keep in repair.Concrete control process is in rotation outside eccentric wheel 17 processes, under inboard washer 18 and 16 combineds action of longitudinally guiding spring connecting pin, left and right sides longitudinally guiding spring 8 can be distinguished do moving of trace forwards, backwards; Adjust the front and back position degree, and then finish and remedy because of manufacturing errors produces axis of thrust error, referring to Fig. 4.
The front and back air suspension is respectively established a height adjusting valve 6, is connected with the control cock 19 of manually going down on one's knees by pilot piping 20.Constant by the inflow air spring assembly of air and the control of flowing out air spring assembly being guaranteed the air spring assembly height remains at normal mode of operation, so the height that has guaranteed car load not can because of take advantage of carry what and change.This height adjusting valve is compared with domestic similar products simultaneously, many functions of going down on one's knees, the air spring assembly height is finished decline instantaneous before and after promptly can realizing the operation of hand control valve (HCV) respectively by chaufeur, realize that smoothly bodywork height descends, this function is mainly used to when passenger getting on/off, alleviates the inconvenience that brings because of ground and bodywork height difference.Concrete control process is that chaufeur is after opening the control cock 19 of manually going down on one's knees, the turnover controlled atmosphere that gas is finished height adjusting valve 6 by pilot piping 20 saves, air pressure in the air bellow is descended, the result can make the height of air bellow descend, thereby the height of vehicle body is descended, finish the function of going down on one's knees, referring to Fig. 5,6.For the sound that whistles that prevents the frequent exhaust of height adjusting valve, air inlet to bring brings discomfort to the passenger, what this structure adopted fixes a silencer in the height adjustment valve outlet, has eliminated bad noise in addition.
Claims (7)
1, a kind of passenger vehicle airsuspension system is made up of forward and backward air suspension assembly, connects suspension bracket, air bellow, vertical arm, bumper, lateral rod, preceding bridge seat, height adjusting valve and height regulating rod before the front air suspension assembly comprises; Back air suspension assembly comprises that the back connects the control cock of suspension bracket, air bellow, longitudinally guiding spring, bumper, lateral rod, back spring upper cover plate, saddle clamp, crossbeam and height, the vertical arm that it is characterized in that described front air suspension is two vertically arms, two vertical arms with preceding be connected suspension bracket and be connected with preceding bridge seat, constitute four connecting rod guide frames of parallelogram.
2, passenger vehicle airsuspension system according to claim 1 is characterized in that vertical arm and the connecting portion that is connected suspension bracket, preceding bridge seat are provided with noise abatement sound pad.
3, passenger vehicle airsuspension system according to claim 1 and 2 is characterized in that the shape of the longitudinally guiding spring of described back air suspension is Z-shaped, left and right sides longitudinally guiding spring with after to be connected suspension bracket be that eccentric mechanism is hinged.
4, passenger vehicle airsuspension system according to claim 1 and 2 is characterized in that described height adjusting valve is connected with the control cock of manually going down on one's knees by pilot piping.
5, passenger vehicle airsuspension system according to claim 3 is characterized in that described height adjusting valve is connected with the control cock of manually going down on one's knees by pilot piping.
6, passenger vehicle airsuspension system according to claim 4 is characterized in that the exhausr port of described height adjusting valve has been installed noise silencer.
7, passenger vehicle airsuspension system according to claim 5, its feature has been installed noise silencer at the exhausr port of described height adjusting valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420027096 CN2721433Y (en) | 2004-05-13 | 2004-05-13 | Air suspending system of bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420027096 CN2721433Y (en) | 2004-05-13 | 2004-05-13 | Air suspending system of bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2721433Y true CN2721433Y (en) | 2005-08-31 |
Family
ID=35011810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420027096 Expired - Lifetime CN2721433Y (en) | 2004-05-13 | 2004-05-13 | Air suspending system of bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2721433Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100455475C (en) * | 2006-01-16 | 2009-01-28 | 湖北三江航天万山特种车辆有限公司 | Air suspension device of vehicle takeup bridge |
| CN102056755A (en) * | 2008-04-30 | 2011-05-11 | 庞巴迪动力产品公司 | Adjustable height suspension system |
| CN102275479A (en) * | 2011-06-07 | 2011-12-14 | 佛山市永力泰车轴有限公司 | Guiding arm in automobile air suspension system |
| CN102616099A (en) * | 2012-03-27 | 2012-08-01 | 三一集团有限公司 | Damping suspension frame device and walking machine |
| CN103707732A (en) * | 2013-12-31 | 2014-04-09 | 重庆红岩方大汽车悬架有限公司 | Guide arm assembly |
| WO2014114087A1 (en) * | 2013-01-25 | 2014-07-31 | 安徽江淮汽车股份有限公司 | Guide spring assembly for air suspension |
| CN104228506A (en) * | 2014-10-09 | 2014-12-24 | 安徽江淮汽车股份有限公司 | Air suspension |
-
2004
- 2004-05-13 CN CN 200420027096 patent/CN2721433Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100455475C (en) * | 2006-01-16 | 2009-01-28 | 湖北三江航天万山特种车辆有限公司 | Air suspension device of vehicle takeup bridge |
| CN102056755A (en) * | 2008-04-30 | 2011-05-11 | 庞巴迪动力产品公司 | Adjustable height suspension system |
| CN102275479A (en) * | 2011-06-07 | 2011-12-14 | 佛山市永力泰车轴有限公司 | Guiding arm in automobile air suspension system |
| CN102616099A (en) * | 2012-03-27 | 2012-08-01 | 三一集团有限公司 | Damping suspension frame device and walking machine |
| CN102616099B (en) * | 2012-03-27 | 2015-03-18 | 三一集团有限公司 | Damping suspension frame device and walking machine |
| WO2014114087A1 (en) * | 2013-01-25 | 2014-07-31 | 安徽江淮汽车股份有限公司 | Guide spring assembly for air suspension |
| CN103707732A (en) * | 2013-12-31 | 2014-04-09 | 重庆红岩方大汽车悬架有限公司 | Guide arm assembly |
| CN103707732B (en) * | 2013-12-31 | 2017-01-11 | 重庆红岩方大汽车悬架有限公司 | guide arm assembly |
| CN104228506A (en) * | 2014-10-09 | 2014-12-24 | 安徽江淮汽车股份有限公司 | Air suspension |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Anhui JAC Coaches Co., Ltd. Assignor: Anhui Jianghuai Automotive Co., Ltd. Contract record no.: 2011340000192 Denomination of utility model: Air suspending system of bus Granted publication date: 20050831 License type: Exclusive License Record date: 20110727 |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140513 Granted publication date: 20050831 |