High-strength new energy bus side wall framework

Abstract

The utility model belongs to the technical field of passenger car side wall frameworks, and particularly relates to a high-strength new energy passenger car side wall framework which comprises a left side wall framework assembly and a right side wall framework assembly, and the right side wall framework assembly is composed of a right front passenger framework, a right middle framework, a right rear passenger framework and a right rear framework. The left side wall framework assembly is composed of a left front framework, a left middle framework and a left rear framework. According to the high-strength new energy bus side wall framework and the new energy bus, higher energy utilization efficiency and endurance mileage are pursued, framework light weight is achieved through optimization design, the overall weight of the bus can be reduced, and therefore the energy utilization efficiency is improved; the right side wall framework assembly and the left side wall framework assembly are each composed of a plurality of parts, the modular design is convenient to produce and maintain, the production efficiency is improved, and the maintenance cost is reduced; through reasonable layout of the skeleton structure, on the premise that the strength and safety are guaranteed, the space layout in the vehicle can be optimized, and the space utilization rate is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of passenger train side wall framework, especially to a high-strength new energy passenger train side wall framework. BACKGROUND

[0002] In the current passenger train manufacturing field, the side wall framework as an important part of the passenger train body, its design and technical level are directly related to the safety, stability and durability of the passenger train. However, there are some technical problems in the existing design of passenger train side wall framework:

[0003] Insufficient structural strength: the traditional passenger train side wall framework often suffers from insufficient structural strength when encountering rollover or side collision, resulting in serious deformation of the train body and threatening the safety of passengers.

[0004] Poor aerodynamic performance: the existing side wall framework design often lacks sufficient consideration of aerodynamics, resulting in large air resistance of the vehicle during driving, affecting fuel economy or battery endurance.

[0005] Lightweight challenge: while pursuing higher safety performance, how to improve the strength of the framework without increasing too much weight is a major challenge faced by the passenger train manufacturing field.

[0006] Therefore, a high-strength new energy passenger train side wall framework is needed. SUMMARY

[0007] Based on the existing technical problems, the utility model provides a high-strength new energy passenger train side wall framework.

[0008] The high-strength new energy passenger train side wall framework provided by the utility model comprises a left side wall framework assembly and a right side wall framework assembly, the right side wall framework assembly is composed of a right front passenger framework, a right middle framework, a right rear passenger framework and a right rear framework, and the left side wall framework assembly is composed of a left front framework, a left middle framework and a left rear framework.

[0009] The left end of the right front passenger framework is welded with the right middle framework through a vertical steel pipe, the left end of the right middle framework is welded with the right rear passenger framework through a vertical steel pipe, and the right rear passenger framework is welded with the right rear framework through a vertical steel pipe.

[0010] The left end of the left front framework is welded with the left middle framework through a vertical steel pipe, and the left middle framework is welded with the left rear framework through a vertical steel pipe.

[0011] The right rear framework and the left rear framework are both provided with a flow guide mechanism, which realizes the action of guiding water flow from the front of the vehicle to the rear of the vehicle.

[0012] Preferably, the right front passenger frame and the left front frame each comprise right front door posts, and top and bottom ends of each of the right front door posts are welded with front door cross beams.

[0013] Preferably, the right middle frame and the left middle frame each comprise a middle side window frame body, a front wheel frame body and a hatch frame body are arranged at bottom portions of the middle side window frame body respectively, a left end of the front wheel frame body is welded with a right end of the hatch frame body, the middle side window frame body comprises front side window cross beams and front side window posts welded at both ends of the front side window cross beams, the front wheel frame body comprises front wheel hub posts and front wheel hub cross beams welded with the front wheel hub posts, and front wheel hub bent beams are welded on surfaces of the front wheel hub cross beams, the hatch frame body comprises hatch cross beams and hatch posts welded on surfaces of the hatch cross beams, and hatch reinforcing rods are welded between the hatch cross beams and the hatch posts.

[0014] Preferably, the right rear passenger frame comprises right rear door posts, and top and bottom portions of each of the right rear door posts are welded with rear door cross beams.

[0015] Preferably, the right rear frame and the left rear frame each comprise a rear side window frame body, a rear wheel frame body and a rear wall frame body are arranged at bottom portions of the rear side window frame body respectively, a right end of the rear wheel frame body is welded with a left end of the rear wall frame body, the rear side window frame body comprises rear window cross beams and rear window posts welded with the rear window cross beams, the rear wheel frame body comprises rear wheel hub posts and rear wheel hub cross beams welded with the rear wheel hub posts, rear wheel hub bent beams are welded on the rear wheel hub posts and the rear wheel hub cross beams, the rear wall frame body comprises rear wall cross beams and rear wall posts welded on surfaces of the rear wall cross beams, and rear wall reinforcing rods are welded between the rear wall cross beams and the rear wall posts.

[0016] Preferably, the flow guide mechanism comprises an electrophoresis square tube, the electrophoresis square tube is welded on a surface of the rear window post, an upper end electrophoresis hole of the electrophoresis square tube faces the front of the vehicle, and a lower end electrophoresis hole of the electrophoresis square tube faces the rear of the vehicle.

[0017] The beneficial effects in the utility model are as follows:

[0018] The new energy bus pursues higher energy utilization efficiency and cruising range, and the lightweight frame is realized through optimization design, the overall weight of the vehicle can be reduced, and thus the energy utilization efficiency is improved; the right side wall frame assembly and the left side wall frame assembly are each composed of multiple parts, the modular design facilitates production and maintenance, improves production efficiency, and reduces maintenance cost; through reasonable arrangement of the frame structure, the space layout inside the vehicle can be optimized under the premise of ensuring strength and safety, and the space utilization rate is improved; the high-strength frame design can better resist fatigue damage, and prolong the service life of the vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1It is a structure schematic view of a high-strength new energy bus side wall framework;

[0020] Figure 2 It is a high-strength new energy bus side wall framework Figure 1 The structure enlarged view at A in the figure;

[0021] Figure 3 It is a right side wall framework assembly structure perspective view of a high-strength new energy bus side wall framework;

[0022] Figure 4 It is a left side wall framework assembly structure perspective view of a high-strength new energy bus side wall framework.

[0023] In the figure: 1, left side wall framework assembly; 11, left front framework; 12, left middle framework; 13, left rear framework; 2, right side wall framework assembly; 21, right front passenger framework; 22, right middle framework; 23, right rear passenger framework; 231, right rear door upright; 232, rear door crossbeam; 24, right rear framework; 3, vertical steel pipe; 4, right front door upright; 5, front door crossbeam; 6, middle side window framework body; 61, front wheel bracket body; 62, hatch bracket body; 63, front side window crossbeam; 64, front side window upright; 65, front wheel hub upright; 66, front wheel hub crossbeam; 67, front wheel hub bent beam; 68, hatch crossbeam; 69, hatch upright; 610, hatch reinforcing rod; 7, rear side window framework body; 71, rear wheel bracket body; 72, rear wall bracket body; 73, rear window crossbeam; 74, rear window upright; 75, rear wheel hub upright; 76, rear wheel hub crossbeam; 77, rear wheel hub bent beam; 78, rear wall crossbeam; 79, rear wall upright; 710, rear wall reinforcing rod; 8, electrophoresis square tube. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0025] Referring to Figures 1-4 A high-strength new energy bus side wall framework, comprising a left side wall framework assembly 1 and a right side wall framework assembly 2, the right side wall framework assembly 2 is composed of a right front passenger framework 21, a right middle framework 22, a right rear passenger framework 23 and a right rear framework 24, and the left side wall framework assembly 1 is composed of a left front framework 11, a left middle framework 12 and a left rear framework 13.

[0026] The left end of the right front passenger framework 21 is welded with the right middle framework 22 through a vertical steel pipe 3, the left end of the right middle framework 22 is welded with the right rear passenger framework 23 through a vertical steel pipe 3, and the right rear passenger framework 23 is welded with the right rear framework 24 through a vertical steel pipe 3.

[0027] The left end of the left front frame 11 is welded with the left middle frame 12 through the vertical steel pipe 3, and the left middle frame 12 is welded with the left rear frame 13 through the vertical steel pipe 3.

[0028] The right front passenger frame 21 and the left front frame 11 each include a right front door pillar 4, and the top end and the bottom end of each two right front door pillars 4 are welded with a front door cross beam 5.

[0029] Specifically, the welding structure of the front door pillar and the front door cross beam 5 can significantly enhance the rigidity and strength of the door area, thereby providing better protection in side impact; the addition of the front door cross beam 5 helps to maintain the shape and stability of the door, preventing the door from deforming in the closed state, and ensuring the normal opening and closing function of the door; the structure of the door pillar and the cross beam helps to improve the overall rigidity of the vehicle body, reduce vibration and distortion of the vehicle during driving, and improve driving stability.

[0030] The right middle frame 22 and the left middle frame 12 each include a middle side window frame body 6, the bottom of the middle side window frame body 6 is respectively provided with a front wheel frame body 61 and a hatch frame body 62, the left end of the front wheel frame body 61 is welded with the right end of the hatch frame body 62, the middle side window frame body 6 includes a front side window cross beam 63 and a front side window pillar 64 welded at both ends of the front side window cross beam 63, the front wheel frame body 61 includes a front wheel hub pillar 65 and a front wheel hub cross beam 66 welded with the front wheel hub pillar 65, the surface of the front wheel hub cross beam 66 is further welded with a front wheel hub bending beam 67, the hatch frame body 62 includes a hatch cross beam 68 and a hatch pillar 69 welded on the surface of the hatch cross beam 68, and a hatch reinforcing rod 610 is further welded between the hatch cross beam 68 and the hatch pillar 69.

[0031] Specifically, the design of the middle side window frame body 6, including the front side window cross beam 63 and the front side window pillar 64, can provide support for the side window area and enhance the impact resistance of the area; the design of the front wheel frame body 61, including the front wheel hub pillar 65 and the front wheel hub cross beam 66, provides solid support for the front wheel and ensures the driving stability of the vehicle; the design of the hatch frame body 62, including the hatch cross beam 68 and the hatch pillar 69, and the hatch reinforcing rod 610, improves the rigidity and durability of the hatch area; the welding connection of the front wheel frame body 61 and the hatch frame body 62, and the arrangement of the hatch reinforcing rod 610, help to improve the overall rigidity of the vehicle body and reduce body distortion; the design of the front wheel hub bending beam 67 helps to evenly distribute the load from the front wheel, reduce local stress concentration, and improve the durability of the vehicle body structure.

[0032] The right rear passenger frame 23 includes a right rear door pillar 231, and the top and bottom of each two right rear door pillars 231 are welded with a rear door cross beam 232.

[0033] Specifically, the welding structure of the rear door upright and the rear door cross beam 232 can significantly enhance the rigidity and strength of the door area, improve the impact resistance of the vehicle during side collision; in the event of side collision, the solid door upright and cross beam can effectively protect the passenger compartment, reduce the risk of passenger injury; the rear door cross beam 232 can help to disperse the side impact force, reduce the impact on a single upright, and improve the crashworthiness of the overall structure.

[0034] The right rear frame 24 and the left rear frame 13 each include a rear side window frame body 7, the bottom of the rear side window frame body 7 is provided with a rear wheel frame body 71 and a rear wall frame body 72 respectively, the right end of the rear wheel frame body 71 is welded with the left end of the rear wall frame body 72, the rear side window frame body 7 includes a rear window cross beam 73 and a rear window upright 74 welded with the rear window cross beam 73, the rear wheel frame body 71 includes a rear wheel hub upright 75 and a rear wheel hub cross beam 76 welded with the rear wheel hub upright 75, the rear wheel hub upright 75 and the rear wheel hub cross beam 76 are each welded with a rear wheel hub bent beam 77, the rear wall frame body 72 includes a rear wall cross beam 78 and a rear wall upright 79 welded with the surface of the rear wall cross beam 78, and a rear wall reinforcing rod 710 is further welded between the rear wall cross beam 78 and the rear wall upright 79.

[0035] Specifically, the design of the rear side window frame body 7, including the rear window cross beam 73 and the rear window upright 74, can provide support for the rear window area and enhance the impact resistance of this area; the welding connection of the rear side window frame body 7, the rear wheel frame body 71 and the rear wall frame body 72 enhances the rigidity of the rear part of the vehicle body, helps to maintain the overall shape of the vehicle body and reduce distortion; the arrangement of the rear side window frame body 7, the rear wheel frame body 71 and the rear wall frame body 72 helps to connect different parts of the side wall frame into a coherent whole, improving the integrity of the structure.

[0036] The right rear frame 24 and the left rear frame 13 are each provided with a flow guide mechanism, which realizes the action of guiding water flow from the front of the vehicle to the back of the vehicle; the flow guide mechanism includes an electrophoresis square tube 8 welded on the surface of the rear window upright 74, and the upper end electrophoresis hole of the electrophoresis square tube 8 faces the front of the vehicle, and the lower end electrophoresis hole of the electrophoresis square tube 8 faces the back of the vehicle.

[0037] Specifically, the flow guide mechanism can effectively guide the water flow around the vehicle body, preventing rainwater or other water sources from directly flowing into the vehicle cabin, protecting the passengers and equipment inside the vehicle; by guiding the water flow, the attachment of dirt and silt on the surface of the vehicle body can be reduced, keeping the vehicle clean; the arrangement of the electrophoresis square tube 8 helps to guide the water flow to the outside of the vehicle, reducing the accumulation of moisture on the frame of the vehicle body and reducing the risk of corrosion of the frame material; the design of the flow guide mechanism can improve the aerodynamic characteristics of the vehicle, reduce air resistance, and improve the fuel economy or battery endurance of the vehicle.

[0038] The new energy bus pursues higher energy utilization efficiency and cruising range, realizes lightweight of the framework through optimization design, can reduce the overall weight of the vehicle, and thus improves the energy utilization efficiency; the right side wall framework assembly 2 and the left side wall framework assembly 1 are each composed of multiple parts, the modular design facilitates production and maintenance, improves production efficiency, and reduces maintenance cost; through reasonable layout of the framework structure, the space layout inside the vehicle can be optimized under the premise of ensuring strength and safety, and the space utilization rate is improved; the high-strength framework design can better resist fatigue damage, and prolong the service life of the vehicle.

[0039] The above merely describes a preferred specific embodiment of the present application, but the scope of protection of the present application is not limited thereto, and any person skilled in the art, within the technical range disclosed by the present application, according to the technical scheme and the inventive concept of the present application, can make equivalent replacements or changes, which should be encompassed within the scope of protection of the present application.

Claims

1. A high-strength new energy bus side wall framework, comprising a left side wall framework assembly (1) and a right side wall framework assembly (2), characterized in that: The right side surrounding framework assembly (2) is composed of a right front passenger framework (21), a right middle framework (22), a right rear passenger framework (23) and a right rear framework (24), and the left side surrounding framework assembly (1) is composed of a left front framework (11), a left middle framework (12) and a left rear framework (13); The left end of the right front passenger framework (21) is welded with the right middle framework (22) through a vertical steel pipe (3), the left end of the right middle framework (22) is welded with the right rear passenger framework (23) through a vertical steel pipe (3), and the right rear passenger framework (23) is welded with the right rear framework (24) through a vertical steel pipe (3). The left end of the left front framework (11) is welded with the left middle framework (12) through a vertical steel pipe (3), and the left middle framework (12) is welded with the left rear framework (13) through a vertical steel pipe (3). The right rear framework (24) and the left rear framework (13) are both provided with a flow guide mechanism, which realizes the action of guiding water flow from the front of the vehicle to the rear of the vehicle.

2. The high-strength new energy bus side wall framework according to claim 1, characterized in that: The right front passenger framework (21) and the left front framework (11) both include a right front door upright column (4), and the top end and the bottom end of every two right front door upright columns (4) are welded with a front door cross beam (5).

3. The high-strength new energy bus side wall framework according to claim 1, characterized in that: The right middle framework (22) and the left middle framework (12) both include a middle side window framework body (6), the bottom of the middle side window framework body (6) is respectively provided with a front wheel framework body (61) and a hatch framework body (62), the left end of the front wheel framework body (61) is welded with the right end of the hatch framework body (62), the middle side window framework body (6) includes a front side window cross beam (63) and a front side window upright column (64) welded at both ends of the front side window cross beam (63), the front wheel framework body (61) includes a front wheel hub upright column (65) and a front wheel hub cross beam (66) welded with the front wheel hub upright column (65), the surface of the front wheel hub cross beam (66) is further welded with a front wheel hub bent beam (67), and the hatch framework body (62) includes a hatch cross beam (68) and a hatch upright column (69) welded on the surface of the hatch cross beam (68), and a hatch reinforcing rod (610) is further welded between the hatch cross beam (68) and the hatch upright column (69).

4. The high-strength new energy bus side wall framework according to claim 1, characterized in that: The right rear passenger framework (23) includes a right rear door upright column (231), and the top and the bottom of two right rear door upright columns (231) are both welded with a rear door cross beam (232).

5. The high-strength new energy bus side wall framework according to claim 1, characterized in that: The right rear frame (24) and the left rear frame (13) each comprise a rear side window frame body (7), the bottom of the rear side window frame body (7) is respectively provided with a rear wheel frame body (71) and a rear wall frame body (72), the right end of the rear wheel frame body (71) is welded with the left end of the rear wall frame body (72), the rear side window frame body (7) comprises a rear window cross beam (73) and a rear window vertical column (74) welded with the rear window cross beam (73), the rear wheel frame body (71) comprises a rear wheel hub vertical column (75) and a rear wheel hub cross beam (76) welded with the rear wheel hub vertical column (75), the rear wheel hub vertical column (75) and the rear wheel hub cross beam (76) are each welded with a rear wheel hub bent beam (77), the rear wall frame body (72) comprises a rear wall cross beam (78) and a rear wall vertical column (79) welded on the surface of the rear wall cross beam (78), and a rear wall reinforcing rod (710) is further welded between the rear wall cross beam (78) and the rear wall vertical column (79).

6. The high-strength new energy bus side wall framework according to claim 5, characterized in that: The flow guide mechanism comprises an electrophoresis square tube (8), the electrophoresis square tube (8) is welded on the surface of the rear window vertical column (74), the upper end electrophoresis hole of the electrophoresis square tube (8) faces the front of the vehicle, and the lower end electrophoresis hole of the electrophoresis square tube (8) faces the rear of the vehicle.

Images