CN201580439U - Novel rear-section public bus frame structure applied in two-stage treading city public bus - Google Patents
Novel rear-section public bus frame structure applied in two-stage treading city public bus Download PDFInfo
- Publication number
- CN201580439U CN201580439U CN 200920274913 CN200920274913U CN201580439U CN 201580439 U CN201580439 U CN 201580439U CN 200920274913 CN200920274913 CN 200920274913 CN 200920274913 U CN200920274913 U CN 200920274913U CN 201580439 U CN201580439 U CN 201580439U
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- back segment
- vehicle frame
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- public bus
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Abstract
The utility model relates to a structure of a public bus frame, in particular to a novel rear-section public bus frame structure applied in a two-stage treading city public bus, which is characterized in that a rear-section bending bus frame is in an arc-shaped structure; an integrated structure, on which straight beams at the two ends are connected with a middle arc-shaped beam, is formed at the rear-section bending bus frame; the central line of the arc-shaped beam is coincided with that of a rear axle; the rear-section bending bus frame is connected with a longitudinal beam of the middle-section frame by a connecting plate; and therefore, the novel rear-section public bus frame structure can greatly lower the height of the rear-section bus frame, improve the efficiency of getting on and off of passengers, can lead the distribution of a rear row of seats to be fully exerted and well improve the comfortableness of the rear row of seats.
Description
Technical field
The utility model relates to the structure of bus vehicle frame, particularly a kind of novel back segment body frame structure for automotive that is applied to the two-stage stepping city bus.
Background technology
At present, the large, medium and small at home city of two-stage stepping city bus all has vast market prospect.But existing two-stage stepping city bus chassis, owing to be subjected to the restriction of back segment straight chassis frame structure, it is too complicated that back segment is connected with the stage casing vehicle frame, and make low floor passenger zone and back axle place transition shoulder height, make back segment vehicle frame terrain clearance higher simultaneously, thereby cause the too high layout that influences producer's back seat greatly of layout of rear-mounted engine and peripheral element.
Summary of the invention
The purpose of this utility model is: a kind of novel back segment body frame structure for automotive that is applied to the two-stage stepping city bus is provided, make that back segment and stage casing connection mode are simple and reliable, avoid low floor passenger zone and back axle junction to play step, and back segment vehicle frame terrain clearance is reduced.
The technical scheme that its technical matters that solves the utility model adopts is: design a kind of novel back segment body frame structure for automotive that is applied to the two-stage stepping city bus, it comprises stage casing chassis side rail, back segment press-bending vehicle frame, it is characterized in that: back segment press-bending vehicle frame is an arch configuration, the straight beam that back segment press-bending vehicle frame has formed two ends is connected the integral structure that the back is formed with the intermediate arches ellbeam, the line of centers of arched beam and back axle central lines, back segment press-bending vehicle frame directly is connected by connecting panel with the stage casing chassis side rail.
The straight beam of described back segment press-bending vehicle frame and stage casing chassis side rail coupling end is 590mm to the distance of arched beam line of centers, and the arched beam line of centers is 515mm to the distance of other end straight beam, and there is the straight beam structure of 100mm at the place, arc top of arched beam.
The arcuate arc top terrain clearance of described back segment press-bending vehicle frame is 868mm, and back segment press-bending vehicle frame both sides straight beam terrain clearance is 791mm.
The beneficial effects of the utility model are, in the limited space of bus, utilization by back segment press-bending vehicle frame has not only successfully solved the problem that the rear suspension spring block does not have arrangement space, and can improve the arrangement space of back seat, improve the traveling comfort that back row takes, thereby provide strong guarantee for the ride comfort of leaf spring bus.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the back segment vehicle frame scheme drawing of the utility model leaf spring bus;
Fig. 2 is the die mould scheme drawing of back segment vehicle frame.
Fig. 3 is the back segment vehicle frame scheme drawing of prior art leaf spring bus;
Among the figure: 1, stage casing chassis side rail; 2, connecting panel; 3, connect longeron; 4, back segment press-bending vehicle frame; 5, back segment vehicle frame.
The specific embodiment
The urban bus chassis of prior art, as shown in Figure 3, stage casing chassis side rail 1 is connected with back segment vehicle frame 5 by connecting longeron 3, stage casing chassis side rail 1 be connected between the longeron 3 by connecting panel 2 firm linking together, connect between longeron 3 and the back segment vehicle frame 5 also by connecting panel 2 firm linking together, because the back segment vehicle frame is a straight beam structure, so connect vertical excessive height of longeron 3, caused the terrain clearance of back segment vehicle frame 5 too high, when the trailing wheel radius R is 451mm, should guarantee that back segment vehicle frame 5 reaches 417mm to the distance of rear axle, therefore the straight beam terrain clearance of back segment vehicle frame 5 has reached 868mm, make that low floor passenger zone and back axle place transition shoulder are too high, make back segment vehicle frame terrain clearance higher simultaneously, thereby cause the too high layout that influences producer's back seat greatly of layout of rear-mounted engine and peripheral element.
Present embodiment is changed into the back segment vehicle frame 5 of prior art straight beam structure back segment press-bending vehicle frame 4 (see figure 2)s of camber beam structure, as shown in Figure 1, stage casing chassis side rail 1 only is connected by connecting panel 2 with back segment press-bending vehicle frame 4, saved the vertical height that connects longeron 3, and near the processing of bending of the position back axle line of centers of back segment vehicle frame 5, back segment press-bending vehicle frame 4 after the processing is an arch configuration, the line of centers of arch and back axle central lines, the straight beam that back segment press-bending vehicle frame 4 has formed two ends is connected the integral structure that the back is formed with the intermediate arches ellbeam, when the trailing wheel radius R is 451mm, the straight beam of back segment press-bending vehicle frame 4 and stage casing chassis side rail 1 coupling end is 590mm to the distance of arched beam line of centers, the arched beam line of centers is 515mm to the distance of other end straight beam, also there is the straight beam structure of 100mm at the place, arc top of arched beam, the distance of pushing up rear axle in the arcuate arc that guarantees back segment press-bending vehicle frame 4 reaches under the situation of 417mm, the arcuate arc top terrain clearance of back segment press-bending vehicle frame 4 is 868mm, but the both sides straight beam terrain clearance of back segment press-bending vehicle frame 4 is 791mm has shortened 77mm than the 868mm of prior art, this The Application of Technology, make the design of bus rear suspension no longer be subjected to the restriction of straight beam structure in earlier stage, can accomplish to be convenient to install, the maintenance rear suspension, this The Application of Technology of while, can greatly reduce the back segment chassis frame height, improve the efficient of passenger getting on/off, and the layout of back seat is given full play to, well improved the traveling comfort that back row takes.
Claims (3)
1. novel back segment body frame structure for automotive that is applied to the two-stage stepping city bus, it comprises stage casing chassis side rail, back segment press-bending vehicle frame, it is characterized in that: back segment press-bending vehicle frame (4) is an arch configuration, the straight beam that back segment press-bending vehicle frame (4) has formed two ends is connected the integral structure that the back is formed with the intermediate arches ellbeam, the line of centers of arched beam and back axle central lines, back segment press-bending vehicle frame (4) directly is connected by connecting panel (2) with stage casing chassis side rail (1).
2. a kind of novel back segment body frame structure for automotive that is applied to the two-stage stepping city bus according to claim 1, it is characterized in that: the straight beam of described back segment press-bending vehicle frame (4) and stage casing chassis side rail (1) coupling end is 590mm to the distance of arched beam line of centers, the arched beam line of centers is 515mm to the distance of other end straight beam, and there is the straight beam structure of 100mm at the place, arc top of arched beam.
3. a kind of novel back segment body frame structure for automotive that is applied to the two-stage stepping city bus according to claim 1, it is characterized in that: the arcuate arc top terrain clearance of described back segment press-bending vehicle frame (4) is 868mm, and back segment press-bending vehicle frame (4) both sides straight beam terrain clearance is 791mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920274913 CN201580439U (en) | 2009-12-31 | 2009-12-31 | Novel rear-section public bus frame structure applied in two-stage treading city public bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920274913 CN201580439U (en) | 2009-12-31 | 2009-12-31 | Novel rear-section public bus frame structure applied in two-stage treading city public bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201580439U true CN201580439U (en) | 2010-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920274913 Expired - Fee Related CN201580439U (en) | 2009-12-31 | 2009-12-31 | Novel rear-section public bus frame structure applied in two-stage treading city public bus |
Country Status (1)
| Country | Link |
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| CN (1) | CN201580439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762264A (en) * | 2020-07-08 | 2020-10-13 | 中国重汽集团成都王牌商用车有限公司 | Arrangement scheme of height limiting vehicle |
-
2009
- 2009-12-31 CN CN 200920274913 patent/CN201580439U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762264A (en) * | 2020-07-08 | 2020-10-13 | 中国重汽集团成都王牌商用车有限公司 | Arrangement scheme of height limiting vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20121231 |