CN203318128U - Passenger bus chassis and passenger bus adopting same - Google Patents
Passenger bus chassis and passenger bus adopting same Download PDFInfo
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- CN203318128U CN203318128U CN2013203427546U CN201320342754U CN203318128U CN 203318128 U CN203318128 U CN 203318128U CN 2013203427546 U CN2013203427546 U CN 2013203427546U CN 201320342754 U CN201320342754 U CN 201320342754U CN 203318128 U CN203318128 U CN 203318128U
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Abstract
The utility model provides a passenger bus chassis, comprising a frame, a front suspension for mounting front wheels, and a rear axle and a rear suspension which are used for mounting rear wheels; the frame is a frame structure formed by fixedly connecting a crossbeam and a longitudinal beam; the front suspension is arranged at the front part of the frame; the middle of the frame is provided with the rear axle by the rear suspension; the passenger bus chassis is in a front-arranging and a front-driving mode. The passenger bus chassis and the passenger bus adopting the same are simple in structure, strong in safety and convenient to maintain.
Description
Technical field
The utility model relates to the Bus Technology field, is specifically related to a kind of passenger-carrying chassis and adopts the passenger vehicle on this chassis.
Background technology
The type of drive of manned vehicle has now: preposition forerunner (FF), front-engine rear-drive (FR), preposition 4 wheel driven, mid-rear-guard (MR), mid-4 wheel driven, rearmounted rear-guard (RR), rear mounted tetra.
At present, general passenger vehicle (length is 7 meters and above medium bus, city motor bus, school bus etc.) adopts the type of drive of front-engine rear-drive, this type of drive has the following disadvantages: 1, between front-engine rear-drive arrangement structure change-speed box and rear driving axle, by universal drive shaft, be connected, increase the car load deadweight, and then caused the increase of oil consumption; Also caused the car load passage to be difficult to accomplish that one-level is marked time and passage is smooth simultaneously; 2, be subject to the rear driving axle diff trajectory range demand limit of beating, car load rear driving axle place floor level can't meet the one-level arrangement requirement of marking time, and the floor in main thoroughfare district from front to back can't form the single area that a nothing is marked time; 3, the total member major part of current traditional passenger vehicle core is directly used light, middle card resource, or is improved on its basis, and noise problem, vibration problem are comparatively outstanding, and car load lightweight degree is low, and oil consumption is high.
And compare with front-engine rear-drive, preposition forerunner obviously has the following advantages: 1. omitted driveline, alleviated car weight, structure is compact; 2. effectively utilized the space of machinery space, the driving interior space is more spacious, and is conducive to reduce floor level, improves travelling comfort; 3. driving engine is near drive wheel, and power transmission efficiency is high, and fuel economy is good; 4. the assembly such as driving engine is preposition, increases the load of front axle, the directional balance while having improved road-holding property when car is run at high speed and braking; 5. simplified rear-suspension system; 6., while travelling on accumulated snow or Slippery road, the forward tractive vehicle body of taking turns, be conducive to guarantee directional balance.Preposition forerunner is very universal in car, but, it is generally acknowledged, preposition forerunner also is not suitable for the passenger vehicle as bus, school bus, reason is that one is preposition forerunner's hill climbing ability deficiency, the 2nd, and for passenger vehicle, preposition forerunner's dynamic assembly repairs insufficient space, the 3rd, preposition precursor structures complexity, manufacturing cost is high.
In the Chinese invention patent that is " low floor passenger-carrying chassis " in Granted publication number: CN101224759, the applying date: 2008.01.11, denomination of invention, disclosing a kind of one-level step (one-level is marked time) is conplane passenger-carrying chassis with the interior floor of passenger car, has improved passenger comfort.But in fact, for the passenger vehicle that adopts front-engine rear-drive, if catchment will be crossed over the position of trailing wheel back axle, due to the impact of diff,, in compartment, the back axle position there will be a step, and the floor that can not realize running through the main channel of back axle all meets the one-level requirement of marking time.And will advance backward from Qianmen or oppositely the time, easily be tripped by the step of back axle position as the passenger, particularly many people, in emergency circumstances, this step causes very large difficulty to personnel's timely evacuation, the safety reduction.
On the one hand, along with the improvement of Chinese city road, and the improving constantly of driving engine usefulness, obviously reduced the requirement for the passenger vehicle hill climbing ability; On the other hand, after having drawn the lesson of the great personal casualty that the particularly serious traffic accident of passenger vehicle in recent years brings, people generally believe passenger vehicle, and especially the safety of bus or school bus is more important than auto cost far away.Therefore, people's passenger vehicle higher in the urgent need to a kind of safety.
The utility model content
The purpose of this utility model is to provide a kind of simple in structure, high safety, is convenient to passenger-carrying chassis and the passenger vehicle safeguarded.
For achieving the above object, the utility model provides following technical scheme:
A kind of passenger-carrying chassis, comprise vehicle frame, the front suspension for front-wheel is installed, the back axle for trailing wheel is installed, rear suspension, described vehicle frame is fixed together and is formed framed structure by crossbeam, longeron, in the front portion of described vehicle frame, described front suspension is installed, described back axle is installed by described rear suspension in middle part at described vehicle frame, and described passenger-carrying chassis is preposition forerunner's mode.
Preferably, described vehicle frame front portion is fixedly connected with the front suspension support of level height higher than described vehicle frame.
Described front suspension is arranged on described front suspension support.
Preferably, described front suspension is McPherson strut.
Preferably, described vehicle frame has the carrying section for carrying at the rear of described back axle, and described carrying section is concordant with described vehicle frame front portion.
A kind of passenger vehicle, comprise compartment and passenger-carrying chassis as above, and described compartment is arranged on described passenger-carrying chassis.
Preferably, the main channel, floor in described compartment is all in same level.
Preferably, described compartment is provided with back door at described carrying fragment position place.
The beneficial effects of the utility model are:
The utility model adopts preposition forerunner on passenger vehicle, handling good, safety is higher, and simple in structure, and because the dynamic assembly that driving engine, power-transfer clutch, diff are formed is arranged in the vehicle frame front portion, therefore at back axle place indifferential device, make in back axle place floor compartment without step, realized that the whole levels of passenger passageway connect, and have avoided personnel to stumble, be conducive to evacuating personnel, improve safety.
Further, the utility model is installed the front suspension support of front suspension higher than vehicle frame, for the layout of dynamic assembly provides more spaces, is convenient to maintenance, can effectively reduce chassis and floor level, improves the traveling comfort convenience of passenger getting on/off simultaneously.
Further, front suspension adopts MacPherson type, and the front suspension support needn't be crossed over whole front suspension, can reduce chassis height, and stays more service clearance for dynamic assembly.
Further, the carrying section at trailing wheel rear can be used to that passenger seat is set or the passenger stands, and increases load-carrying capacity, and the carrying section is concordant with the zone that vehicle frame is positioned at trailing wheel the place ahead, and it is concordant making whole floor compartment, and the passenger is movable convenient.
Further, the main channel of floor compartment, all in same plane, for example, all in the one-level step height, makes the passenger movable convenient.
Further, in carrying, the fragment position place arranges back door, is convenient to the passenger and gets on and off rapidly, and safety is higher.
The accompanying drawing explanation
Fig. 1 is the passenger vehicle front view of prior art;
Fig. 2 is the passenger vehicle inner space schematic diagram of prior art.
Fig. 3 is the front view of passenger-carrying chassis of the present utility model;
Fig. 4 is the birds-eye view of passenger-carrying chassis of the present utility model;
Fig. 5 is the use constitution diagram of passenger vehicle of the present utility model;
Fig. 6 is the inner space schematic diagram of passenger vehicle of the present utility model.
Description of symbols in upper figure: dynamic assembly 1, front suspension 2, back axle 3, front suspension support 4, axle drive shaft 5, axle drive shaft 6, cooling system 7, exhaust system 8, front-wheel 9, trailing wheel 10, rear suspension 11, bearing circle 12, Steering gear 13, steering box 14, vehicle frame 15,17, back door, 16, Qianmen, compartment 18, crossbeam 151, longeron 152, carrying section 153.
The specific embodiment
Next in connection with accompanying drawing, specific embodiment of the utility model is described in further detail, in ensuing description, as shown in Figure 4, the part of vehicle frame being installed to back axle is defined as the vehicle frame middle part, extend to the part of trailing wheel and be defined as rear portion from middle part, from middle part, extend to the part of front-wheel and be defined as front portion.Simultaneously, the passenger vehicle of the utility model indication refers to the passenger carrying vehicle except car, and dynamic assembly refers to sensu lato driving engine that comprises, change speed gear box, axle drive shaft, diff, the implication of power-transfer clutch etc.
In conjunction with Fig. 1, Fig. 2, it has shown the structure of the passenger vehicle of prior art.General passenger vehicle is all that just dynamic assembly, transmission system, running device, steering system and brake system are arranged on vehicle frame 15, compartment 16 is set on vehicle frame 15 with carrying driver and passenger, and the mode of employing front-engine rear-drive, therefore, at back axle 3 places that trailing wheel 10 is installed, need to install the diff (not shown).If the low floor passenger-carrying chassis of introducing in the employing background technology, caused at this place, the main channel, floor of 16 inside, compartment has occurred as the shown stepped region of Fig. 2 cross line boxed area on (Fig. 2 bend zone).If at the position arrangement passenger-seat of the carrying section 153 at back axle rear portion and still adopt floor in compartment " one-level is marked time on (one-level step) " height, when the passenger that get on the bus in Qianmen 17 moves backward (general bus all requires the back door 18 of getting on the bus, passenger Qianmen 17 to get off), while perhaps occurring to need the past, back door emergency evacuation such as emergency situations such as fire, the passenger need to experience and top bar, gets out of a predicament or an embarrassing situation, this stepped region easily trips the passenger, even incurs loss through delay valuable escape time.Therefore, from safety, general or using this carrying section 153 only as Luggage deposit, and obviously reduced passenger carrying capacity this for example city bus for the short distance operation or school bus and be N/R; Perhaps make the height (as shown as long and short dash line in Fig. 1) of the height of this carrying section 153 higher than the front portion of vehicle frame 15, only experience once and top bar while making aft passenger get on the bus, only experience once and get out of a predicament or an embarrassing situation while getting off, and back door 18 can not be arranged on to the position shown in Fig. 2, and can only be arranged on position as shown in Figure 1, be positioned at the place ahead of back axle position, this is obviously disadvantageous for escape.When adopting this kind of passenger vehicle as children's school bus, potential safety hazard is particularly serious.
In conjunction with Fig. 3, Fig. 4, passenger-carrying chassis of the present utility model, comprise vehicle frame 15, the front suspension 2 for front-wheel 9 is installed, the back axle 3 for trailing wheel 10 is installed, rear suspension 11, vehicle frame 15 is fixed together and is formed framed structure by crossbeam 151, longeron 152, front suspension 2 is installed in front portion at vehicle frame 15, and back axle 3 is installed by rear suspension 11 in middle part.Vehicle frame 15 can be full-bearing type or half bearing-type.In the present embodiment, front suspension 2 is McPherson strut, and front suspension 2 is mounted on the front suspension support 4 of vehicle frame 15 front portions, or those of ordinary skills also can be interpreted as the front suspension support part of vehicle frame or vehicle body.The level height of front suspension support 4 will be higher than vehicle frame 15.Certainly, those of ordinary skills can imagine at an easy rate, and front suspension 2 can be also the suspension of spring type suspension or other type, or vehicle frame 15 can be also the shape shown in Fig. 1.But the employing McPherson strut, coordinate the front suspension support 4 higher than vehicle frame 15, dodge out more service clearance can to dynamic assembly 1, be therefore preferred.Similarly, in the present embodiment, rear suspension 11 is few leaf spring forms, also can adopt the rear suspension of other form.Dynamic assembly 1 is arranged on the place ahead of vehicle frame 15, drives axle drive shaft 5 and 6, thereby drives front-wheel 9, and for passenger vehicle provides power, what passenger-carrying chassis adopted is preposition forerunner's mode.Cooling system 7 and exhaust system 8 also are installed on passenger-carrying chassis.The driver, by steering wheel rotation 12, changes the direction of front-wheel 9 by Steering gear 13, steering box 14.Owing to having adopted preposition forerunner, so the position indifferential device of back axle 3.
In conjunction with Fig. 3, Fig. 5 and Fig. 6.Identical with Fig. 1, vehicle frame 15 can have carrying section 153 at the rear of back axle 3, but different from Fig. 1, the carrying section 153 shown in Fig. 5 can be concordant with the front portion of vehicle frame 15, as shown in the long and short dash line in Fig. 5.The advantage of doing like this is, due at back axle 3 place's indifferential devices, therefore as shown as Fig. 6 bend zone, the main channel of whole floor compartment connects, and can not produce the stepped region in Fig. 2.Therefore main channel can be all in same level, and the position of carrying section 153 can be used in carrying, and the passenger can not tripped when the activity of main channel, and like this, the passenger carrying capacity of passenger vehicle and traveling comfort, safety are improved.In the case, when passenger vehicle adopts the technical scheme of low floor passenger-carrying chassis, whole floor compartment main channel can be all in the one-level horizontal surface (therefore be called as in the drawings one-level mark time the zone of standing) of marking time.And in the position of carrying section 153, back door 18 is set, be obviously favourable, when emergency situation occurs, the passenger can be equably in the past, escape smoothly in back door, and especially pupil and child can be not too high and dare not jump off due to carrying section 153 yet.
Although the utility model is described in conjunction with above embodiment, but the utility model is not limited to above-described embodiment, and only be subject to the restriction of claim, those of ordinary skills can easily modify to it and change, but do not leave essence design of the present utility model and scope.
Claims (7)
1. a passenger-carrying chassis, comprise vehicle frame, the front suspension for front-wheel is installed, the back axle for trailing wheel is installed, rear suspension, described vehicle frame is fixed together and is formed framed structure by crossbeam, longeron, in the front portion of described vehicle frame, described front suspension is installed, described back axle is installed by described rear suspension in middle part at described vehicle frame, it is characterized in that, described passenger-carrying chassis is preposition forerunner's mode.
2. passenger-carrying chassis according to claim 1, is characterized in that, described vehicle frame front portion is fixedly connected with the front suspension support of level height higher than described vehicle frame, and described front suspension is arranged on described front suspension support.
3. passenger-carrying chassis according to claim 2, is characterized in that, described front suspension is McPherson strut.
4. according to the described passenger-carrying chassis of any one in claims 1 to 3, it is characterized in that, described vehicle frame has the carrying section for carrying at the rear of described back axle, and described carrying section is concordant with described vehicle frame front portion.
5. a passenger vehicle, is characterized in that, comprises compartment and passenger-carrying chassis as described as any one in claim 1 to 4, and described compartment is arranged on described passenger-carrying chassis.
6. passenger vehicle according to claim 5, is characterized in that, the main channel, floor in described compartment is all in same level.
7. passenger vehicle according to claim 6, is characterized in that, described compartment is provided with back door at described carrying fragment position place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203427546U CN203318128U (en) | 2013-06-14 | 2013-06-14 | Passenger bus chassis and passenger bus adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203427546U CN203318128U (en) | 2013-06-14 | 2013-06-14 | Passenger bus chassis and passenger bus adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203318128U true CN203318128U (en) | 2013-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203427546U Expired - Fee Related CN203318128U (en) | 2013-06-14 | 2013-06-14 | Passenger bus chassis and passenger bus adopting same |
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| Country | Link |
|---|---|
| CN (1) | CN203318128U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11667339B2 (en) | 2018-10-05 | 2023-06-06 | Alpha EC Industries 2018 S.à.r.l. | Electric bus with seats over driving wheels |
-
2013
- 2013-06-14 CN CN2013203427546U patent/CN203318128U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11667339B2 (en) | 2018-10-05 | 2023-06-06 | Alpha EC Industries 2018 S.à.r.l. | Electric bus with seats over driving wheels |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20190614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |