Bus with carbon fiber body

Abstract

The utility model provides a bus with a carbon fiber body, which comprises a whole bus framework and a bus body, the bus body is integrally formed by carbon fibers, and the whole bus framework comprises a main support frame, a first side wall cross bar and a second side wall cross bar and is connected with the side wall of the bus body through a connecting component. The vehicle body is formed by a carbon fiber structure, so that the whole vehicle body is lighter, meanwhile, the structural strength of the carbon fiber vehicle body is better, the whole vehicle framework and the vehicle body can be conveniently disassembled and assembled through a bolt and nut connecting mode, secondary utilization and effective replacement can be achieved, and the surface does not need an electrophoresis process; and meanwhile, the problem that in a traditional welding mode, welding seams are prone to corrosion, and consequently the structural damage speed is high is solved, and by cooperation with the first side wall transverse rod, the second side wall transverse rod, the longitudinal rod, the lower supporting beam, the reinforcing piece and other structures, supporting of the connecting face of the vehicle body side wall and the stability of connecting joints are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to bus body structure technical field, specifically, relate to a kind of carbon fiber bus body bus. BACKGROUND

[0002] Traditional bus is mostly ordinary square steel welded framework structure, and is formed by welding with bus body, and there are the following defects:

[0003] Lightweight is insufficient: the main body of bus is composed of steel structure, and the strength is improved by additionally increasing welded parts, resulting in weight increase; Poor rust resistance: the weld and internal area electrophoretic coating are weak, and are easily corroded.

[0004] Therefore, the applicant presents the present application after studying the prior art. UTILITY MODEL CONTENT

[0005] The utility model provides a kind of carbon fiber bus body bus, to improve at least one of the above technical problems.

[0006] To solve the above technical problems, the utility model provides a kind of carbon fiber bus body bus, including whole vehicle framework and bus body, the bus body is integrally formed by carbon fiber;The whole vehicle framework is from front to back respectively for front section area, front axle area, middle section area and rear axle area;The whole vehicle framework is provided with first side wall cross bar and second side wall cross bar, the first side wall cross bar and second side wall cross bar are divided into the two sides in the middle section area;Wherein, the first side wall cross bar one end extends and is connected to front axle area, the other end extends and is connected to rear axle area;The second side wall cross bar one end extends and is connected to front axle area, and the other end is formed interval arrangement between rear axle area;The first side wall cross bar and second side wall cross bar are divided into the side wall of the bus body by connecting assembly and connect.

[0007] As further optimization, the whole vehicle framework further includes main support frame and multiple longitudinal rods, the longitudinal rod is fixed to the upper end of the main support frame, and the two ends of the longitudinal rod are connected to the first side wall cross bar and the second side wall cross bar respectively.

[0008] As further optimization, the whole vehicle framework further includes lower support beam, and the two ends of the lower support beam are connected to the first side wall cross bar and the second side wall cross bar respectively;The middle part of the lower support beam is concave downward.

[0009] As further optimization, the connecting assembly includes bolt, nut and reinforcing piece, the bus body is connected on the whole vehicle framework by bolt and nut;The reinforcing piece is connected on the bolt, the reinforcing piece is L-shaped arrangement, and the inner side surface of the reinforcing piece is abutted with the longitudinal rod.

[0010] As a further optimization, the connecting assembly further comprises a flat washer and a spring washer.

[0011] As a further optimization, the bolt is a half-thread bolt and the nut is a self-locking nut.

[0012] As a further optimization, a rear wall connecting beam is further provided, which is installed in the rear axle area and used to fix and connect the rear wall of the vehicle body, and a reinforcing beam is arranged on the inner side of the rear wall connecting beam, and the bottom end of the reinforcing beam is fixed on the main support frame of the rear axle area.

[0013] As a further optimization, the rear axle area is provided with a rear support beam, and the bottom end of the rear support beam is connected to the rear wall connecting beam.

[0014] By adopting the above technical scheme, the following technical effects can be achieved.

[0015] The carbon fiber bus body provided by the application comprises a whole vehicle framework and a vehicle body, the vehicle body is integrally formed by carbon fiber, the whole vehicle framework comprises a main support frame, a first side wall horizontal rod and a second side wall horizontal rod, and the vehicle body is connected to the whole vehicle framework through a connecting assembly. The vehicle body is formed by carbon fiber structure, so that the whole vehicle is more lightweight, the structural strength of the carbon fiber vehicle body is better, the connecting mode of the bolt and the nut can realize convenient disassembly and installation between the whole vehicle framework and the vehicle body, and the vehicle body can be reused and effectively replaced, the surface does not need electrophoresis process, the problem that the structure is damaged quickly due to corrosion of a welding seam in a traditional welding mode is avoided, the first side wall horizontal rod, the second side wall horizontal rod, the vertical rod, the lower support beam and the reinforcing member are matched to strengthen the stability of the connecting surface support and the connecting node of the side wall of the vehicle body, the rear area is reduced, the middle area is enlarged, passengers can get on and off the bus quickly, and the problem that the rear area is too close to the roof to cause collision during bumping is avoided. The whole vehicle is lightweight and has excellent strength, the service life is prolonged to a certain extent, and the maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0017] Figure 1 is a whole framework structure schematic diagram of a carbon fiber bus body bus of the application;

[0018] Figure 2 is a cross-sectional schematic diagram of a carbon fiber bus body bus of the application.

[0019] Figure 3 is a first side wall cross rod local structure schematic view in an embodiment of the utility model;

[0020] Figure 4 is a second side wall cross rod local structure schematic view in an embodiment of the utility model;

[0021] Figure 5 is a rear bridge area structure schematic view in an embodiment of the utility model.

[0022] Mark in drawing: 1, whole vehicle framework;2, vehicle body;3, main support frame;4, first side wall cross rod;5, second side wall cross rod;6, vertical rod;7, lower support beam;8, connecting assembly;9, bolt;10, nut;11, reinforcing part;12, rear wall connecting beam;13, reinforcing beam;14, rear support beam. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the utility model.

[0024] By Figures 1 to 5The utility model discloses a kind of carbon fiber bus bodies, including whole vehicle framework 1 and car body 2, car body 2 is integrally formed by carbon fiber, carbon fiber car body 2 compared with steel, aluminum alloy framework, there is better strength, rigidity and anticorrosion ability, more lightweight, compared with traditional steel car body 2, weight reduction is more than 30%. Whole vehicle framework 1 is from front to back respectively as front section area, front axle area, middle section area and rear axle area;Whole vehicle framework 1 includes main support frame 3 and first side wall cross bar 4 and second side wall cross bar 5, wherein main support frame 3 is the frame support in the middle part of whole vehicle framework 1, and the main body length is concentrated in middle section area by canceling rear section area in the embodiment;First side wall cross bar 4 and second side wall cross bar 5 are divided into two sides in middle section area;Among them, one end of first side wall cross bar 4 extends and is connected to front axle area, and the other end extends and is connected to rear axle area;One end of second side wall cross bar 5 extends and is connected to front axle area, and the other end is spaced apart from rear axle area;First side wall cross bar 4 and second side wall cross bar 5 are connected to the side wall of car body 2 by connecting assembly 8. As an embodiment, whole vehicle framework 1 further includes a plurality of longitudinal rods 6, the upper end of longitudinal rod 6 is fixed to main support frame 3, and the two ends of longitudinal rod 6 are connected to first side wall cross bar 4 and second side wall cross bar 5 respectively, so as to serve as the connection between the two side walls and main support frame 3, and also serve as mutual support between the two side walls.

[0025] Whole vehicle framework 1 connects the side wall of car body 2 by first cross bar and second cross bar, which can increase the support contact surface of whole vehicle framework 1 to carbon fiber car body 2, further combine the connection points of each connecting assembly 8, and strengthen the overall connection effect between the front and rear of the vehicle body. The space formed between the second side wall rod and the rear axle serves as the door position, and by canceling the rear section area, passengers can be concentrated near the door, reducing the inconvenience of traditional buses that need to pass through the rear axle area to reach the door from the rear section area. After using carbon fiber structure to lighten the car body 2, a large area of support is provided by the cross bar to ensure the stability of the whole vehicle.

[0026] Preferably, whole vehicle framework 1 further includes a lower support beam 7, and the two ends of lower support beam 7 are connected to first side wall cross bar 4 and second side wall cross bar 5 respectively;The middle part of lower support beam 7 is concave downward. Among them, lower support beam 7 is composed of two inclined rods and a horizontal rod in the middle part, and lower support beam 7 is connected to main support frame 3 at the middle part, so as to strengthen the connection effect between the two side wall cross bars by lower support beam 7, and provide lower support, further strengthening the stability effect of the two side walls.

[0027] Preferably, in the embodiment, the connecting assembly 8 comprises a bolt 9, a nut 10 and a reinforcing piece 11, the vehicle body 2 is connected to the whole vehicle frame 1 through the bolt 9 and the nut 10; the reinforcing piece 11 is connected to the bolt 9, the reinforcing piece 11 is arranged in an L shape, one side of the reinforcing piece 11 is provided with a bolt hole, after the bolt 9 passes through the bolt hole, the side is tightly pressed against the side wall transverse rod through the nut 10, the other side extends vertically to the side of the longitudinal rod 6, and the inner side after installation is tightly abutted with the longitudinal rod 6. The bolt 9 and the nut 10 in the connecting assembly 8 are used as the connection between the whole vehicle frame 1 and the vehicle body 2, without welding, which can more conveniently install or replace the vehicle body 2. In the side wall position, when the rear wall of the vehicle body 2 is forced to generate a radial force on the bolt 9, the L-shaped reinforcing piece 11 is abutted and supported between the longitudinal rod 6 to enhance the contact surface, so that the force is dispersed from the bolt connection node to the longitudinal rod 6, thereby strengthening the stability of the node. In cooperation with the plurality of longitudinal rods 6, the supporting surface of the reinforcing piece 11 can be located on the rear side or the front side of the longitudinal rod 6 to cope with the front and rear forces. It should be noted that the connecting assembly 8 with the reinforcing piece 11 is used when the connection node is on one side of the longitudinal rod 6, and other vehicle bodies 2 and the whole frame 1 can be connected separately by using bolts, nuts and other components.

[0028] The connecting assembly 8 further comprises a flat gasket and a spring gasket. Although the load of the connection node is reduced by the carbon fiber structure vehicle body 2, in order to ensure stability and withstand vibration load, the combination of the flat gasket and the spring gasket ensures the stability of the whole.

[0029] The bolt 9 is a half-thread bolt, and the nut 10 is a self-locking nut. The self-locking characteristic of the self-locking nut ensures a stable connection state for a long time and is not easy to loosen due to changes in working vibration.

[0030] Preferably, the rear wall connecting beam 12 is installed in the rear axle area, and the rear wall connecting beam 12 is used to fixedly connect the rear wall of the vehicle body 2; the rear wall connecting beam 12 is provided with a reinforcing beam 13 on the side close to the vehicle interior, and the bottom end of the reinforcing beam 13 is fixedly arranged on the main support frame 3 in the rear axle area. The main support frame 3 in the rear axle area is provided with a rear support beam 14 protruding, and the rear support beam 14 is supported and connected to the bottom end of the rear wall connecting beam 12. Further, the reinforcing beam 13 is used to strengthen the support effect of the rear axle area on the rear wall connecting beam 12, as an embodiment, the reinforcing beam 13 is composed of a plurality of transverse rods and an inclined rod, the transverse rods connect a plurality of points of the rear wall connecting beam 12 in the vertical direction, and the inclined rod is connected and supported on the upper end of the rear axle area, thereby improving the support effect on the rear wall connecting beam 12 and strengthening the stability.

[0031] The application is made of carbon fiber structure to form the vehicle body 2, so that the whole is more lightweight, and the structural strength of the carbon fiber vehicle body 2 is better, the bolt nut connection mode can realize convenient disassembly and installation between the whole vehicle frame 1 and the vehicle body 2, can be reused and effectively replaced, the surface does not need electrophoresis process, meanwhile, the problem that the structure is damaged fast due to the corrosion of the welding seam of the traditional welding mode is avoided, the first side wall cross rod 4, the second side wall cross rod 5, the longitudinal rod 6, the lower support beam 7 and the reinforcing part 11 are matched to strengthen the stability of the connection surface support and the connection node of the side wall of the vehicle body 2, the rear area is reduced, the middle area is expanded, passengers can get on and off the vehicle fast, meanwhile, the problem that the rear area is too close to the roof to cause collision is avoided when jolting. The whole vehicle is lightweight and excellent in strength, the service life is prolonged to a certain extent, and the maintenance cost is reduced.

[0032] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A carbon fiber body bus, characterized by, The application relates to a whole vehicle framework and a vehicle body which is integrally formed by carbon fibers, wherein the whole vehicle framework comprises a front section area, a front axle area, a middle section area and a rear axle area from front to back; the whole vehicle framework is provided with a first side wall cross rod and a second side wall cross rod which are arranged on both sides of the middle section area; one end of the first side wall cross rod extends and is connected to the front axle area, and the other end extends and is connected to the rear axle area; one end of the second side wall cross rod extends and is connected to the front axle area, and the other end is arranged at a distance from the rear axle area; the first side wall cross rod and the second side wall cross rod are connected to the side wall of the vehicle body through a connecting assembly.

2. A carbon fiber body transit vehicle according to claim 1, characterized in that The whole vehicle framework further comprises a main support frame and a plurality of longitudinal rods, the longitudinal rods are fixed to the upper end of the main support frame, and the two ends of the longitudinal rods are connected to the first side wall cross rod and the second side wall cross rod.

3. A carbon fiber body transit vehicle according to claim 2, wherein The whole vehicle framework further comprises a lower support beam, the two ends of the lower support beam are connected to the first side wall cross rod and the second side wall cross rod, and the middle part of the lower support beam is arranged in a downward recessed mode.

4. A carbon fiber body transit vehicle as in claim 2, wherein The connecting assembly comprises a bolt, a nut and a reinforcing piece, the vehicle body is connected to the whole vehicle framework through the bolt and the nut, the reinforcing piece is connected to the bolt, the reinforcing piece is arranged in an L-shaped mode, and the inner side surface of the reinforcing piece is in abutment with the longitudinal rod.

5. A carbon fiber body transit vehicle according to claim 4, wherein The connecting assembly further comprises a flat pad and a spring pad.

6. A carbon fiber body transit vehicle as in claim 4, wherein The bolt is a half-thread bolt, and the nut is a self-locking nut.

7. A carbon fiber body transit vehicle as in claim 2, wherein The application further relates to a rear wall connecting beam which is arranged in the rear axle area and is used for fixing and connecting the rear wall of the vehicle body, the side of the rear wall connecting beam which is close to the vehicle interior is provided with a reinforcing beam, and the bottom end of the reinforcing beam is fixed to the main support frame of the rear axle area.

8. A carbon fiber body transit bus according to claim 7, characterized in that The rear axle area is provided with a rear support beam which is arranged in a protruding mode and is connected to the bottom end of the rear wall connecting beam.

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