CN201366919Y - Special A type frame air spring rear suspension for large passenger vehicle - Google Patents

Special A type frame air spring rear suspension for large passenger vehicle Download PDF

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Publication number
CN201366919Y
CN201366919Y CNU2009200229829U CN200920022982U CN201366919Y CN 201366919 Y CN201366919 Y CN 201366919Y CN U2009200229829 U CNU2009200229829 U CN U2009200229829U CN 200920022982 U CN200920022982 U CN 200920022982U CN 201366919 Y CN201366919 Y CN 201366919Y
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China
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type
type frame
special
air spring
rear suspension
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Expired - Fee Related
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CNU2009200229829U
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Chinese (zh)
Inventor
罗高华
李冀荣
高振波
郭婷霞
路斌
郭洪强
孙海强
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Zhongtong Bus Holding Co Ltd
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Zhongtong Bus Holding Co Ltd
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Priority to CNU2009200229829U priority Critical patent/CN201366919Y/en
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Abstract

The utility model relates to a special A type frame air spring rear suspension for a large passenger vehicle, which comprises an A type frame; the front end of the A type frame is connected with a coupling assembly, an air spring air bag assembly and a shock absorber are sequentially arranged at two sides of the back end of the A type frame, a flexible connecting terminal support of a height control valve is arranged on the A type frame, and the back end of the A type frame is connected with a transverse stabilizing rod. The special A type frame air spring rear suspension has the advantages of simple structure, light weight, fewer special parts, more universal parts, easy manufacture, low cost, accurate and reliable positioning of a vehicle bridge, no need of adjustment and correction and the like.

Description

Special A type rack type air spring rear suspension for large-scale bus
Technical field
The utility model relates to a kind of air spring rear suspension, especially a kind of special A type rack type air spring rear suspension for large-scale bus.
Background technology
Pneumatic Suspension is from eighties of last century the '30s utility model, begin after 40 years to popularize abroad, at first have benefited from a vacuum radial tubeless tires technology and apply on the air bag, self-closing balloon side vocal imitation skill makes the sealing reliability of air bag and assurance has been arranged service life.
All there are the air bag series of products in world giant tire manufacturer at present, secondly is the matched valve classes of AIRMATIC Dual Control such as height-control valve, the development of technology such as pipeline component.The general auxiliary equipment of above-mentioned Pneumatic Suspension has formed the situation of being concentrated the batch manufacturing supply by a small amount of famous transnational group in the world, and output strengthens, and price reduces.
The guidance system of Pneumatic Suspension, the North America is then different with Europe, the road for development of North America Pneumatic Suspension, the one, as independent commodity assembly, highly versatile is applicable to various trucks and trailer Pneumatic Suspension.The 2nd, only be applicable to the trough girder vehicle frame of truck formula, because the motorcoach of North America is still continued to use the pattern of truck chassis button vehicle body so far, so also be applicable to the North America motorcoach.Europe motorcoach class height, price is very expensive, and all therefore the full carrying of employing rigidity vehicle body must dispose flexible independent suspension, and the Pneumatic Suspension of European motorcoach exploitation is to aim at the needs that satisfy its bearing-type motorcoach, and commonality is not strong.Form the truss-like unitary body and dispose the distinguishing feature that its motorcoach special-purpose air hangs.Special-purpose air hangs the guidance system that is meant suspension, above-mentioned air bag, and auxiliary equipments such as levelling valve are still general-duty.
The domestic Pneumatic Suspension of introducing north American of the nineties in last century.Be used for the rear bearing loading capability and be 13 tons 12M level motorcoach, the domestic guidance system that all adopts with heavy duty truck general-duty four gasbags C type supporting arm and four connecting rods.Its existing problems, (1) complex structure heaviness, (2) cost an arm and a leg, and (3) fitting operation is loaded down with trivial details, will cause the general assembly flow path efficiency to reduce during volume production.This class guidance system is when being used for truck formula chassis, and its installation just comprises; Prepackage is adjusted for six times, welding location adjusting disk, and steps such as installations are at last introduced and are used on the full carrying motorcoach after domestic, and adjustment is with regard to more loaded down with trivial details taking a lot of work.Install and hang and to weld, also can't adapt to the production procedure of the full carrying motorcoach of lacquer back general assembly.(4) this class guidance system is former is to be used for the abominable heavy duty truck of road conditions, and its multiaxis vehicle bridge requires visibly moved amount big, and when being contained in high-grade motorcoach, vehicle body has the sensation of unsteady canoe Free Slosh, influences travelling comfort when domestic.(5) easily cause the vehicle bridge location inaccurate, the wear on tyres inequality.
Europe motorcoach Pneumatic Suspension is not independent assembly, domesticly introduces with car load one And.The special-purpose passenger vehicle of the A type frame of Buddhist nun Pulan difficult to understand hangs can avoid above-mentioned existing problems, but is that its truss-like unitary body is supporting, is difficult to popularize.Therefore so far domestic, Pneumatic Suspension only is used on a small amount of high-grade motorcoach, a large amount of low sides, the highway passenger vehicle and the bus of chassis button vehicle body still use BF.
Present domestic passenger vehicle enterprise is just from North America transnational group substituting agent there at home, buy a complete set of Pneumatic Suspension parts, the training materials that provides by manufacturer, Pneumatic Suspension is contained on the passenger vehicle of oneself, causes us not form the ability that independent exploitation motorcoach special-purpose air hangs for a long time.Along with the raising of bus class, in order to improve popular travelling comfort, must the suitable motorcoach special-purpose air of exploitation hang, especially the special-purpose air of bus hangs.
The utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, providing a kind of simple in structure, in light weight, parts peculiar seldom, general part is many, easily makes, cost is low, and the vehicle bridge accurate positioning is reliable, need not transfer special A type rack type air spring rear suspension for large-scale bus.
For achieving the above object, the utility model adopts following technical proposals:
A kind of special A type rack type air spring rear suspension for large-scale bus, it comprises A type frame, A type frame front end is connected with the connection assembly, both sides, A type frame rear end are provided with air-spring bellows assembly and bumper successively, what A type frame was provided with height-control valve flexibly connects the termination bearing, and A type frame rear end is connected with Panhard rod.
Described A type frame comprises A type support body, A type support body front end is provided with preceding connecting panel, the rear end is connected with after cross member, cladding plate and back cladding plate before the top and the bottom of the front end of A type support body and rear end and after cross member junction are provided with respectively, on the after cross member on the plane with the supporting disk that is furnished with two air-spring bellowss and the strengthening rib of vehicle center symmetry, the supporting disk center is provided with the screw of following of fixation balloon piston, and the after cross member outside one end vertically is provided with the Panhard rod undersetting.
Described A type support body is bent by nonstandard I-beam section and forms, and its material is 16Mn, wherein, and I-beam section section B=100mm, h=160mm, d=14mm, t=8mm.
The after cross member of described A type frame is made by shaped steel.
Described connection assembly comprises by the underframe bearing, underframe bearing and bearing pin connection seat are by being connected bearing pin and fluted nut connects to form hinges, and the tapering of the underframe bearing and the internal taper hole of bearing pin connection seat is consistent, connect two cone rubber linings that the bearing pin outside is surrounded by symmetry, connect the bearing pin two ends and add packing ring.
The vertical direction angle alpha of the front end hinges of described connection assembly and axial pivot angle β value, normal working is 0.5 degree, and ultimate limit state is-2.5 to+4.4 degree.
Described bumper is fixed on the after cross member inboard of A type frame by threaded pin and clamp nut, is with pad and shock absorber rubber lining on the threaded pin.
On the Panhard rod undersetting on the A type frame, the other end has Panhard rod underframe bearing by bolted connection to described Panhard rod one end by bolt.
Be connected with drive axle by lower platen, saddle clamp jam nut and saddle clamp on the vehicle bridge on the described A type frame.
Described A type support body is made up of for two sections front and back along the centre, captives joint with the pontic of gate-type back axle by bolt between the two ends, and A type support body upper front end is provided with arc groove.
The utility model provides a kind of A type posture air spring rear suspension of motor omnibus special use.Be applicable to the drive axle or the supporting bridge of motorcoach, axle capacity 10-13 ton is for two of 10-12M level is stepped on and to hang down inlet bus or highway passenger vehicle supporting.Maintain an equal level before and after the A type frame of the present utility model, connect assembly and adopt lateral pin, preposition or rear-mounted engine vehicle all can supportingly be used.
The A type posture air spring rear suspension of the utility model motor omnibus is that the motorcoach unitary body of the large-sized rectangular tube underframe of logical independent development in being specially is supporting, and is supporting in particular for bus.The utility model A type posture air spring rear suspension front end has the connection assembly, and its underframe bearing is welded on the A type frame support beam of large-sized rectangular tube underframe, and the connection assembly is overlooked line of centers and overlapped with vehicle centre-line.A type frame stage casing has last lower platen and saddle clamp and nut and the former steel spring seat of vehicle bridge thereof fastening, and last lower platen and A type frame all have locating dowel pin.The left and right sides, A type frame stage casing center-to-center distance, promptly the former rear leaf spring width between centers of vehicle bridge is above-mentioned general with vehicle bridge bonded assembly parts and rear leaf spring suspension, and vehicle bridge main gear device input line of centers and level inclination are then arranged by Pneumatic Suspension and are determined.
When the utility model is used for the gate-type back axle of low floor vehicle, be divided into two sections of front and back in the middle of the A type frame, fix with bolt and gate-type bridge pontic respectively.
The rear portion of the utility model A type posture air spring rear suspension is an after cross member.The supporting disk that is furnished with two air-spring bellowss and the strengthening rib of plane and vehicle center symmetry on the crossbeam, supporting disk center have following of screw fixation balloon piston.Two air bag loam cakes then add nut (its negative thread is the air bag inlet suction port) with bolt and are fixed on the air bag supporting disk under the large-sized rectangular tube underframe rear gasbag carrying crossbeam.Above-mentioned rear gasbag is reversible sleeve-type, and its loam cake and yielding rubber spring and lower piston all are universal products of transnational famous production group.Crossbeam also is equipped with two supporting bumpers, and height-control valve flexibly connect the termination bearing, be the transnational production group universal product; The crossbeam right side also is welded with the lateral stability rod bearing that the built on stilts gas of A type hangs, with the underframe upper bracket all with bolt, wherein, Panhard rod also is the outsourcing general part.
A type frame of the present utility model is bent by nonstandard I-beam section, (sample car trial-production is to weld with shaped steel).Front end has connecting panel, be used to be welded and connect the A type frame bearing pin connection seat of assembly, after cross member is made by shaped steel, A type frame front-end and back-end and after cross member connection place all add the cladding plate of burn-oning down, described A type frame connects assembly, form hinges by underframe bearing and bearing pin connection seat, the tapering of the two internal taper hole is consistent, connect two cone rubber linings that the bearing pin outside is surrounded by symmetry, connect the bearing pin two ends and install packing ring additional, the static predetermincd tension of tightening the bearing pin fluted nut during by installation, the extruding rubber bush makes it to be fastenedly connected simple installation.
The maximum characteristics of the utility model A type posture air spring rear suspension are, have only two air-spring bellowss and two bumpers, be to be determined by the ratio that A type frame longitudinal size is arranged, axle weight is to be shared by A type frame front end connection assembly and two air bags in rear end by design proportion.Constitute carrying 3 points of A font.Design makes and the utlity model has outstanding technical advantage dexterously, has kept many original premium properties of air bellow, and the air bellow natural frequency of vibration is low, soft comfortable, add variable stiffness properties, make its natural frequency of vibration and car load height, can not change with the load of vehicle.The employing of A type frame guiding mechanism has greatly improved the constraint condition of vehicle bridge, and air bellow vertically reaches transverse pitch and increases considerably, and has reduced passenger's vertical pitching and horizontal wigwag motion, makes travelling comfort of the present utility model, can reach the car level.Simultaneously can effectively protect each parts of vehicle, prolong car load service life.Above-mentioned explanation to structure as seen, the utility model A type posture air spring rear suspension; Simple in structure, in light weight, parts peculiar newly developed seldom, general part is many, easily makes, cost is low, the vehicle bridge accurate positioning is reliable, need not transfer.
The beneficial effects of the utility model are: the A type posture air spring rear suspension of (1) the utility model motor omnibus special use, has good travelling comfort, system free vibration frequency hangs down 1.08-1.12Hz, and amplitude is little, back axle cruising vertical amplitude 24.8mm, hanging the natural frequency of vibration and floor level does not change with car load, the air bellow center-to-center distance is big, and vertically 2095mm walks crosswise 1900mm, travel steadily, rock little.
(2) back axle constraint condition is good, and the location is accurately reliable, unlikely generation vehicle bridge displacement and wear on tyres inequality, and simple installation does not need adjustment.
(3) simple in structure, from heavy and light, the utility model rear suspension system deadweight 330Kg, than what generally use at present, four gasbags C type supporting arm, the air spring rear suspension of four connecting rods guiding is from heavy and light 60Kg.
(4) special purpose parts is few, and general part is many, easily makes, and cost is low, and the purchase price of a present cover air bag and bumper is 1500 yuan, and only this item the utility model can be economized 3000 yuan.
(5) but use normal basic freedom from repairs, long service life was generally 5 years.
(6) easily popularize, enterprises of public transport are afforded.
Description of drawings
Fig. 1 is the utility model A type posture air spring rear suspension birds-eye view;
Fig. 2 is the utility model A type posture air spring rear suspension constructional drawing;
Fig. 3 is the utility model A type posture air spring rear suspension principle of design figure;
Fig. 4 is the utility model gate-type bridge A type frame constructional drawing;
Fig. 5 is the utility model A type frame constructional drawing;
Fig. 6 is a nonstandard I-beam section section drawing among Fig. 5;
Fig. 7 is that the utility model A type frame connects the assembly design drawing;
Fig. 8 is that the utility model A type frame connects assembly work scheme drawing;
Wherein 1.A type frame 2. connects assembly, 3. vehicle bridge fastener, 4. air-spring bellows assembly, 5. bumper, 6. Panhard rod, 7.A type support body, 8. fluted nut, 9. packing ring, 10. rubber bush, 11. the underframe bearing, 12. connect bearing pin, 13. driving rear axle, 14. Panhard rod underframe bearing, 15. bolts, 16. saddle clamp jam nuts, 17. the vehicle bridge top board, 18. pads, 19. shock absorber rubber linings, 20. clamp nut, 21. vehicle bridge lower platens, 22. saddle clamps, 23. preceding connecting panel, 24. after cross members, 25. preceding cladding plates, 26. back cladding plate, 27. support disk, 28. Panhard rod undersettings, 29. threaded pin, 30. bearing pin connection seats, 31. arc grooves.
The specific embodiment
Step on bus sample car example below in conjunction with accompanying drawing with 12 meter two the utility model is done further detailed description.
As shown in Figure 1, A type frame 1 is connected with driving rear axle 13 by vehicle bridge fastener 3, A type frame 1 front end is connected with and connects assembly 2, both sides, A type frame 1 rear end are provided with air-spring bellows assembly 4 and bumper 5 successively, what A type frame 1 was provided with height-control valve flexibly connects the termination bearing, and A type frame 1 rear end is connected with Panhard rod 6.
As Fig. 2, shown in Figure 5, A type frame 1 comprises A type support body 7, A type support body 7 front ends are provided with preceding connecting panel 23, the rear end is connected with after cross member 24, cladding plate 25 and back cladding plate 26 before the top and the bottom of the front end of A type support body 7 and rear end and after cross member 24 junctions are provided with respectively, on the after cross member 24 on the plane with the supporting disk that is furnished with two air-spring bellowss 27 and the strengthening rib of vehicle center symmetry, supporting disk 27 centers are provided with the screw of following of fixation balloon piston, and after cross member 24 outsides one end vertically is provided with Panhard rod undersetting 28.
Bumper 5 is fixed on after cross member 24 inboards of A type frame 1 by threaded pin 29 and clamp nut 20, is with pad 18 and shock absorber rubber lining 19 on the threaded pin 29.
Panhard rod 6 one ends are fixed in by bolt 15 on the Panhard rod undersetting 28 of A type frame 1, and the other end is connected with Panhard rod underframe bearing 14 by bolt 15.
Vehicle bridge fastener 3 comprises by lower platen 17,21 on saddle clamp 22 and the saddle clamp jam nut 16 bonded assembly vehicle bridge.
The maximum characteristics of the utility model A type posture air spring rear suspension are to have only two air-spring bellows assemblies 4 and two bumpers 5, and as shown in Figure 3, axle weight G is 1/2nd of 13 tons of vehicle bridge bearable loads, promptly 6.5 tons.Share by 4 three of two air-spring bellows assemblies that connect assembly 2 and A type frame 1 after cross member 24 both sides of A type frame front end.Connect assembly 2 centers to rear gasbag width between centers L=2095mm, i.e. air bellow longitudinal pitch.Connect assembly 2 centers to back axle width between centers L1=1300mm, obviously the back air bag carries P2=0.6205G, be P2=4032KG, selecting load-carrying capacity according to the P2 value is 4.8 tons the reversible telescopic air spring air bag of N662 type, the maximum outside diameter of its 7bar is 355mm, according to required dumping force of N662 air bag and damping coefficient, the N50 type bumper that selection matches is formed rear-mounted elasticity and damping unit.The obvious result of above-mentioned layout is that the momentum SG of vehicle bridge is 0.6205 times of rear gasbag momentum S2.The vehicle bridge momentum reduces will be highly beneficial to the improvement of vehicle ride comfort.The altitude range of N662 type air bag is 218-470mm, and the selected rear gasbag total kilometrage of the utility model is 200mm, moving stroke upwards with all are 100mm downwards, air bag height H t shakes between 380-420mm during normal vehicle operation.Amplitude is 40mm, and the vehicle bridge vertical amplitude is 24.8mm then, and vehicle ' will be very steady.The natural frequency of vibration of N662 type air bag is between 1.08-1.12HZ, and promptly the per minute vertical tremor remains at about 60 times.It is the scope of human body sensory the most comfortable.The transverse pitch B=1900mm of two rear gasbags, wide more a lot of than the A type frame of Buddhist nun Pulan difficult to understand, the utility model B value is maximum, and is very favourable to the improvement of lateral stability of cars.
The connection assembly 2 of A type frame front end is born back vehicle bridge vertical load P1 and horizontal load Px, be vehicle drive force or braking force, the Px maxim should be maximum braking force Px=7800Kg, connect assembly 2 and be designed to a hinges, shared vertical load P1, itself and rear gasbag carrying P2 sum equal back axle load, so the utility model only needs two air bags.As shown in Figure 7, connecting assembly 2 comprises by underframe bearing 11, underframe bearing 11 and bearing pin connection seat 30 are by being connected bearing pin 12 and fluted nut 8 connects to form hinges, and the tapering of the underframe bearing 11 and the internal taper hole of bearing pin connection seat 30 is consistent, connect two cone rubber linings 10 that bearing pin 12 outsides are surrounded by symmetry, connect bearing pin 12 two ends and add packing ring 9.Underframe bearing 11 and bearing pin connection seat 30 are the precision castings of ZG45 material, and rubber bush 10 materials are tincture cyanogen neoprene.
Shown in Fig. 8 A, Fig. 8 B, another key character of the present utility model is that the angular transposition of the A type frame hinges that connects assembly 2 is minimum.As above-mentioned L=2095mm, air bag cruising amplitude is+-20mm, range is+-100mm, the vertical direction angle alpha of front end hinges and axial pivot angle β value.Normal working is 0.5 degree, and ultimate limit state is also only-2.5 to+4.4 degree, and this has created extremely good service conditions for the cone rubber lining 10 of hinges.Can guarantee its reliability and service life.
As Fig. 5, shown in Figure 6, A type support body 7 is bent by nonstandard I-beam section and forms, and its material is 16Mn, wherein, and I-beam section section B=100mm, h=160mm, d=14mm, t=8mm.The after cross member 24 of A type frame 1 is a 160*100*6 shaped steel, and the utility model A type posture air spring rear suspension has greatly improved the constraint condition of back axle.Vertically reaching horizontal shape width between centers as above-mentioned air bellow increases considerably.
As shown in Figure 2, A type frame 1 and driving rear axle 13 fastening is to adopt failure-free, and be traditional, the fastening design of BF, and promptly pressing plate 17,21 and saddle clamp 22 are fastening up and down with back axle.Lower platen 17,21 and driving rear axle 13 and A type frame 1 all have locating dowel pin on the back axle.A type shelf structure is simple, guarantees its making precision easily, so the utility model back axle location is accurately reliable, easy and simple to handle, need not to transfer.Foregoing is applicable to the common back axle of general-duty, be for two step on and hang down the inlet bus supporting.
When the utility model is used for 13 tonnes of gate-type back axles of low floor vehicle, as shown in Figure 4, A type frame 1 structure then need change, be divided into two sections of front and back in the middle of it, fix with the pontic of bolt and gate-type back axle respectively, A type frame 1 front end is to avoid back axle front cross rail with the large-sized rectangular tube underframe of low floor vehicle to produce to interfere, and local arc groove 31 is arranged at A type frame 1 top, all the other structures are all identical with aforementioned structure, repeat no more.
The utility model is having only two air-spring bellowss and two bumpers, is to be determined by the ratio that A type frame longitudinal size is arranged, as shown in Figure 3, axle weight is to be shared by A type frame front end connection assembly and two air bags in rear end by design proportion.Constitute carrying 3 points of A font.Design makes and the utlity model has outstanding technical advantage dexterously, has kept many original premium properties of air bellow, and the air bellow natural frequency of vibration is low, soft comfortable, add variable stiffness properties, make its natural frequency of vibration and car load height, can not change with the load of vehicle.The employing of A type frame guiding mechanism has greatly improved the constraint condition of vehicle bridge, and air bellow vertically reaches transverse pitch and increases considerably, and has reduced passenger's vertical pitching and horizontal wigwag motion, makes travelling comfort of the present utility model, can reach the car level.Its vertical load is born by two air bags, because two air bag spacings are bigger, can make the riding stability that increases car load.

Claims (10)

1. special A type rack type air spring rear suspension for large-scale bus, it is characterized in that: it comprises A type frame, A type frame front end is connected with the connection assembly, both sides, A type frame rear end are provided with air-spring bellows assembly and bumper successively, what A type frame was provided with height-control valve flexibly connects the termination bearing, and A type frame rear end is connected with Panhard rod.
2. special A type rack type air spring rear suspension for large-scale bus according to claim 1, it is characterized in that: described A type frame comprises A type support body, A type support body front end is provided with preceding connecting panel, the rear end is connected with after cross member, cladding plate and back cladding plate before the top and the bottom of the front end of A type support body and rear end and after cross member junction are provided with respectively, on the after cross member on the plane with the supporting disk that is furnished with two air-spring bellowss and the strengthening rib of vehicle center symmetry, the supporting disk center is provided with the screw of following of fixation balloon piston, and the after cross member outside one end vertically is provided with the Panhard rod undersetting.
3. special A type rack type air spring rear suspension for large-scale bus according to claim 2, it is characterized in that: described A type support body is bent by nonstandard I-beam section and forms, its material is 16Mn, wherein, and I-beam section section B=100mm, h=160mm, d=14mm, t=8mm.
4. special A type rack type air spring rear suspension for large-scale bus according to claim 2 is characterized in that: the after cross member of described A type frame is made by shaped steel.
5. special A type rack type air spring rear suspension for large-scale bus according to claim 1, it is characterized in that: described connection assembly comprises by the underframe bearing, underframe bearing and bearing pin connection seat are by being connected bearing pin and fluted nut connects to form hinges, and the tapering of the underframe bearing and the internal taper hole of bearing pin connection seat is consistent, connect two cone rubber linings that the bearing pin outside is surrounded by symmetry, connect the bearing pin two ends and add packing ring.
6. special A type rack type air spring rear suspension for large-scale bus according to claim 1, it is characterized in that: the vertical direction angle alpha of the front end hinges of described connection assembly and axial pivot angle β value, normal working is 0.5 degree, and ultimate limit state is-2.5 to+4.4 degree.
7. special A type rack type air spring rear suspension for large-scale bus according to claim 1 is characterized in that: described bumper is fixed on the after cross member inboard of A type frame by threaded pin and clamp nut, is with pad and shock absorber rubber lining on the threaded pin.
8. special A type rack type air spring rear suspension for large-scale bus according to claim 1, it is characterized in that: on the Panhard rod undersetting on the A type frame, the other end has Panhard rod underframe bearing by bolted connection to described Panhard rod one end by bolt.
9. special A type rack type air spring rear suspension for large-scale bus according to claim 1 is characterized in that: be connected with drive axle by lower platen, saddle clamp jam nut and saddle clamp on the vehicle bridge on the described A type frame.
10. special A type rack type air spring rear suspension for large-scale bus according to claim 1, it is characterized in that: described A type support body is made up of for two sections front and back along the centre, captive joint with the pontic of gate-type back axle by bolt between the two ends, A type support body upper front end is provided with arc groove.
CNU2009200229829U 2009-03-12 2009-03-12 Special A type frame air spring rear suspension for large passenger vehicle Expired - Fee Related CN201366919Y (en)

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CNU2009200229829U CN201366919Y (en) 2009-03-12 2009-03-12 Special A type frame air spring rear suspension for large passenger vehicle

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102358135A (en) * 2011-07-13 2012-02-22 江苏汤臣汽车零部件有限公司 Supporting seat for balance shaft of heavy vehicle axle
CN105252982A (en) * 2015-10-16 2016-01-20 东风扬子江汽车(武汉)有限责任公司 Four-wheel independent suspension system and vehicle
CN105416399A (en) * 2015-12-23 2016-03-23 安徽安凯汽车股份有限公司 Rear overhang rear section beam assembly for passenger car
CN107539026A (en) * 2017-08-30 2018-01-05 徐州徐工矿山机械有限公司 A kind of attachment structure of articulated truck vehicle bridge and suspension

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102358135A (en) * 2011-07-13 2012-02-22 江苏汤臣汽车零部件有限公司 Supporting seat for balance shaft of heavy vehicle axle
CN105252982A (en) * 2015-10-16 2016-01-20 东风扬子江汽车(武汉)有限责任公司 Four-wheel independent suspension system and vehicle
CN105416399A (en) * 2015-12-23 2016-03-23 安徽安凯汽车股份有限公司 Rear overhang rear section beam assembly for passenger car
CN105416399B (en) * 2015-12-23 2018-04-17 安徽安凯汽车股份有限公司 Cut section bar assembly after a kind of car rear overhang
CN107539026A (en) * 2017-08-30 2018-01-05 徐州徐工矿山机械有限公司 A kind of attachment structure of articulated truck vehicle bridge and suspension

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