CN100337844C - Longitudinal swing arm independant air suspension frame and its application on super low floor semitrailer - Google Patents
Longitudinal swing arm independant air suspension frame and its application on super low floor semitrailer Download PDFInfo
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- CN100337844C CN100337844C CNB2004100126294A CN200410012629A CN100337844C CN 100337844 C CN100337844 C CN 100337844C CN B2004100126294 A CNB2004100126294 A CN B2004100126294A CN 200410012629 A CN200410012629 A CN 200410012629A CN 100337844 C CN100337844 C CN 100337844C
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- swing arm
- air
- trailing arm
- height
- crossbeam
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Abstract
The present invention relates to a longitudinal swing arm independent-type air suspension frame and the application thereof on an ultra-low floor semitrailer. The suspension frame system comprises an axle crossbeam 5, a longitudinal swing arm 6, a vibration damper 7, an air spring 8, a controlling system for vehicle height 10 and a stop block 11, wherein the axle crossbeam is a vehicle frame crossbeam; shaft heads on both ends of the crossbeam are connected with the longitudinal swing arm through a bearing or a lining; a wheel set is arranged on a flange and a spindle of the longitudinal swing arm; the upper end of the longitudinal swing arm presses the air spring; the rear part of the longitudinal swing arm is provided with a brake chamber 9, the vibration damper, the controlling system for vehicle height and the stop block; the longitudinal swing arm can swing around the bearing or the lining at the end of the crossbeam; a valve of the controlling system for vehicle height is communicated with an air passage of the air spring to control that a spring air chamber is inflated or deflated to regulate height. The suspension frame system is arranged outside an upright post of the vehicle frame. The present invention can be composed of a single shaft or two shafts or three shafts; if the present invention is composed of two shafts or three shafts, air springs at one side are communicated through pipelines to form a multi-shaft equalizing suspension frame system. The suspension frame system can ensure that a transporting semitrailer for miniature vehicles has an ultra-low floor and space for loading and parking miniature vehicles to ensure no height excess and high transporting productivity.
Description
Technical field
The present invention is a kind of trailing arm stand alone type air suspension and super-low floor minicar conveying semi-trailer, belongs to wheeled car superimposed trailer and suspension field.
Background technology
At present, ubiquity (super wide, superelevation, the overlength) transportation problem that transfinites has had a strong impact on safety traffic in the minicar transportation.The legislation of China National People's Congress, state ministry of public security, Ministry of Communication's explicit order are wanted the strict illegal transportation of transfiniting of banning.The basic reason of transporting that transfinites is minicar manufacturing enterprise or transports the freight department of minicar, transports dirt productive rate (many dresses) for carrying, or adopts flat truck to widen goods tableland plate, loads and transports two and arranges minicars, causes super wide transportation.Or the car transporter that adopts common floor to be not less than 900mm transports the minicar of vehicle height overall much larger than car, causes the superelevation transportation.Have also for two minicars of many shipments, arbitrarily increase the superimposed trailer length overall, cause the overlength transportation.In a word, the transportation of transfiniting is to cause one of major reason of traffic accident, harm people life property safety, has been subjected to social extensive concern.Therefore, the minicar conveying semi-trailer of developing a kind of non-transportation of transfiniting is very necessary, through fully research, solve the superelevation transportation, must fully reduce the superimposed trailer floor level, and car goods height overall is controlled in the 4m of national Specification.Require simultaneously the suspension system compact conformation again, load minicar to guarantee the enough horizontal spaces of superimposed trailer.
Summary of the invention
The objective of the invention is at the problems referred to above, develop a kind of trailing arm stand alone type airsuspension system that superimposed trailer goods tableland plate is fully descended, and the minicar conveying semi-trailer of the super-low floor of this suspension system formation of employing, perhaps trailing arm stand alone type air suspension super-low floor mini electric vehicle, Ship Transportation superimposed trailer, the solution transportation problem that transfinites guarantees the transportation-production rate.
The superimposed trailer suspension system that achieves the above object is a trailing arm stand alone type airsuspension system (referring to Fig. 3,4), and it comprises vehicle bridge crossbeam 5, trailing arm 6, shock absorber 7, air bellow 8 car height controlling system 10, limiting stopper 11.Vehicle bridge crossbeam 5 also is a cross member of frame, its section is a box-shaped, crossbeam two ends spindle nose connects with trailing arm 6 by bearing or lining, wheel set is installed on the flange and spindle of trailing arm, the upper end of trailing arm is pressed on the air bellow 8, compressed air brake cylinder 9 is installed at the trailing arm rear portion, shock absorber 7, car height controlling system 10 and limiting stopper 11, trailing arm can be around bearing at end of transverse beam or lining swing, car height controlling system 10 comprises height-control valve, airline, air bellow, height-control valve is communicated with the air bellow air chamber by airline, height adjustment is carried out in charging into or discharging of the interior air of controlling spring air chamber, and suspension system layouts is in the outside of vehicle frame column.
This suspension system can be single shaft or twin shaft, three, for twin shaft and three, the air bellow of a side is communicated with by airline, forms the multi-axis balancing suspension system.
The application of suspension system of the present invention, be used to transport the super-low floor superimposed trailer of minicar, mini electric vehicle or ship, described suspension system compact Layout is in the outside of semi-trailer frame column, and the steel plate of parking minicar, mini electric vehicle or ship is welded on the lower edge face of cross member of frame.
The application of described suspension system, the super-low floor minicar conveying semi-trailer of its transportation minicar, single wheel list tire together with the shared width spaces of suspension system less than 450mm, the steel floor of parking minicar is welded on the lower edge face of cross member of frame, the ground plate hight of bearing micro car can minimumly be reduced to 203mm.
Adopt the superimposed trailer of this suspension system, when vehicle was subjected to the road shocks bob, trailing arm was around the bearing or the lining swing of crossbeam end, and air bellow plays buffer action, the rapid damped vibration of shock absorber.When bodywork height changed, height-control valve was opened corresponding gas circuit and is charged into or air-out to the spring air chamber, carried out height adjustment, reduced the variation of bodywork height.
For three superimposed trailers, when the superimposed trailer at full load, three carryings simultaneously; When unloaded, primary shaft can be promoted, make the primary shaft tire unsettled, can alleviate wear on tyres, reduce resistance to motion.The adjusting apparatus for height of vehicle of this suspension can also change bodywork height according to road conditions.When travelling on highway, vehicle body is in extreme lower position, guarantees not superelevation and riding stability.When needs improve carrying capacity, can suitably improve bodywork height by axle spring is increased air pressure, guarantee good crossing ability.
Suspension trailing arm bearing cross beam of the present invention and cross member of frame are integrated, make the stressed distribution of vehicle frame and suspension system reasonable; Trailing arm stand alone type air suspension is arranged in the vehicle frame column outside, compact conformation, and it is little to take horizontal space, and the car load floor is reduced under the prerequisite that guarantees the minimum ground Clearance as far as possible, has guaranteed the realization of superimposed trailer super-low floor.Have a series of functions such as adjustable height, axletree lifting simultaneously.
This trailing arm stand alone type air suspension super-low floor minicar conveying semi-trailer owing to adopt trailing arm stand alone type airsuspension system, has been realized the short transverse super-low floor, can park double-deck mid-get car and non-superelevation.Width has guaranteed the loading parking space of a row minicar.Length direction has guaranteed that the upper strata can load 4, and 3 (totally 7) minicars can be loaded by lower floor, have both avoided the transportation of transfiniting, and have guaranteed high transportation-production rate again.
Description of drawings
Fig. 1,2 is respectively trailing arm independence air suspension super-low floor minicar conveying semi-trailer structural front view and birds-eye view
Fig. 3,4.Be respectively trailing arm independent suspension structural front view and birds-eye view.
Identify meaning among the figure: 1 tractor truck, 2 superimposed trailers, 3 betransported minicar, 4 vehicle bridge and suspension system, 5 crossbeams, 6 trailing arms, 7 shock absorbers, 8 air bellows, 9 compressed air brake cylinders, 10 car height controlling system, 11 limiting stoppers.
The specific embodiment
Embodiment 1
Composition, structure and the layout of this superimposed trailer suspension system embodiment are shown in 3,4, this superimposed trailer suspension system is a trailing arm stand alone type airsuspension system, it comprises crossbeam 5, trailing arm 6, shock absorber 7, air bellow 8, compressed air brake cylinder 9, car height controlling system 10, limiting stopper 11, its vehicle bridge box section crossbeam 5 also is a cross member of frame, and crossbeam two ends spindle nose connects with trailing arm 6 by bearing or lining.Wheel set is installed on the flange axle of trailing arm.The upper end of trailing arm is pressed on the air bellow 8, and the trailing arm rear portion is equipped with parts such as compressed air brake cylinder 9, shock absorber 7, car height controlling system 10 and limiting stopper 11.
Trailing arm stand alone type air suspension super-low floor minicar conveying semi-trailer structure of the present invention is shown in 1,2, superimposed trailer 2, vehicle bridge and suspension system 4, arrange the rear portion of superimposed trailer 2, suspension system is in the outside of vehicle frame column, because structure is very compact, single wheel list tire is together with the not enough 450mm of the shared width spaces of suspension system, like this, guaranteed that the middle width of parking minicar of car load is no less than 1600mm, and the minicar width is generally about 1400mm, thereby has guaranteed the space of laying of minicar.Because suspension system side, jitter space are in the outside rather than in vehicle frame (base plate) below, therefore, goods tableland plate can fully reduce under the prerequisite that guarantees enough ground Clearances.By the present national highway of China, Highway Conditions that provincial highway is good, road clearance can guarantee the normal highway transportation more than or equal to 200mm.Simultaneously, the embodiment of the invention has adopted the floor (steel plate) that will park minicar to be welded on the lower edge face of cross member of frame, and like this, actual floor level is 203mm (super-low floor) only.The height space of loading minicar can guarantee to park the minicar that two layer heights are 1900mm near 3800mm, thereby has satisfied the requirement of most minicars loadings to height space.By statistics, China's minicar length is 3200～3500mm, and according to the GB7258-1997 regulation, artic allows length overall 16.5m, is 18.5m according to over-limited transport vehicle, goods length limit value in Ministry of Communication's order, and superimposed trailer of the present invention can load 7 of minicars.Both avoid the transportation of transfiniting, improved the transportation-production rate again.
Super-low floor minicar conveying semi-trailer of the present invention except that transporting minicar, also can be used for transporting of mini electric vehicle, ship.Install special facilities additional, also can transport the freight all kinds that other needs super-low floor.
Claims (4)
1, a kind of trailing arm stand alone type airsuspension system, it is characterized in that comprising vehicle bridge crossbeam (5), trailing arm (6), shock absorber (7), air bellow (8), car height controlling system (10), limiting stopper (11), vehicle bridge crossbeam (5) also is a cross member of frame, its section is a box-shaped, crossbeam two ends spindle nose connects with trailing arm (6) by bearing or lining, wheel set is installed on the flange and spindle of trailing arm, the upper end of trailing arm is pressed on the air bellow (8), compressed air brake cylinder (9) is installed at the trailing arm rear portion, shock absorber (7), car height controlling system (10) and limiting stopper (11), trailing arm can be around bearing at end of transverse beam or lining swing, car height controlling system (10) comprises height-control valve, airline, air bellow, height-control valve is communicated with the air bellow air chamber by airline, air charging into or discharging in the controlling spring air chamber, carry out height adjustment, suspension system layouts is in the outside of vehicle frame column.
2, suspension system as claimed in claim 1, it is characterized in that single shaft or twin shaft, three, for twin shaft and three, the air bellow of a side is communicated with by gas circuit, forms the multi-axis balancing suspension system.
3, the application of claim 1 or 2 described suspension systems, it is characterized in that being used to transport the super-low floor conveying semi-trailer of minicar or ship, its suspension system layouts is in the outside of conveying semi-trailer vehicle frame column, and the steel plate of parking minicar or ship is welded on the lower edge face of cross member of frame.
4, the application of suspension system as claimed in claim 3, the super-low floor conveying semi-trailer that it is characterized in that described transportation minicar, single wheel list tire together with the shared width spaces of suspension system less than 450mm, the steel plate of parking minicar is welded on the lower edge face of cross member of frame, and the ground plate hight of bearing micro car can minimumly be reduced to 203mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100126294A CN100337844C (en) | 2004-01-07 | 2004-01-07 | Longitudinal swing arm independant air suspension frame and its application on super low floor semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100126294A CN100337844C (en) | 2004-01-07 | 2004-01-07 | Longitudinal swing arm independant air suspension frame and its application on super low floor semitrailer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1555987A CN1555987A (en) | 2004-12-22 |
| CN100337844C true CN100337844C (en) | 2007-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100126294A Expired - Fee Related CN100337844C (en) | 2004-01-07 | 2004-01-07 | Longitudinal swing arm independant air suspension frame and its application on super low floor semitrailer |
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| CN (1) | CN100337844C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4274189B2 (en) * | 2006-02-13 | 2009-06-03 | トヨタ自動車株式会社 | Vehicle control system |
| CN103465975A (en) * | 2013-09-05 | 2013-12-25 | 三一汽车制造有限公司 | Transport cart |
| BR112019027514A2 (en) * | 2017-06-21 | 2020-07-07 | Hendrickson Usa, L.L.C. | auto steering shaft joint |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3713053A1 (en) * | 1987-04-16 | 1988-11-03 | Navarro Fermin Bustos | Device for raising the axle of an articulated vehicle semitrailer |
| CN1267261A (en) * | 1997-05-29 | 2000-09-20 | 纽维锚锁国际公司 | Dual trailing arm vehicle suspension |
| US6276710B1 (en) * | 2000-04-19 | 2001-08-21 | Inernational Truck And Engine Corporation | Articulating air spring suspension for tandem axle |
| JP2002067648A (en) * | 2000-08-31 | 2002-03-08 | Hino Motors Ltd | Air suspension device |
| CN1449336A (en) * | 2000-08-23 | 2003-10-15 | 科夫林克海洋有限公司 | Suspension system |
-
2004
- 2004-01-07 CN CNB2004100126294A patent/CN100337844C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3713053A1 (en) * | 1987-04-16 | 1988-11-03 | Navarro Fermin Bustos | Device for raising the axle of an articulated vehicle semitrailer |
| CN1267261A (en) * | 1997-05-29 | 2000-09-20 | 纽维锚锁国际公司 | Dual trailing arm vehicle suspension |
| US6276710B1 (en) * | 2000-04-19 | 2001-08-21 | Inernational Truck And Engine Corporation | Articulating air spring suspension for tandem axle |
| CN1449336A (en) * | 2000-08-23 | 2003-10-15 | 科夫林克海洋有限公司 | Suspension system |
| JP2002067648A (en) * | 2000-08-31 | 2002-03-08 | Hino Motors Ltd | Air suspension device |
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| Publication number | Publication date |
|---|---|
| CN1555987A (en) | 2004-12-22 |
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Granted publication date: 20070919 Termination date: 20120107 |