CN115158464A

CN115158464A - Pure electric mini-truck frame assembly

Info

Publication number: CN115158464A
Application number: CN202211092042.3A
Authority: CN
Inventors: 吴涛; 王效勇; 丁礼军
Original assignee: Shandong Haochi Intelligent Automobile Co ltd
Current assignee: Shandong Haochi Intelligent Automobile Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2022-10-11

Abstract

The invention discloses a pure electric mini-truck frame assembly which comprises a lower frame assembly, a front anti-collision beam welding assembly and an auxiliary frame installation assembly, wherein the lower frame assembly comprises a left longitudinal beam welding assembly, a right longitudinal beam welding assembly, a front shock absorber installation support assembly, a cab suspension installation support assembly, a rear plate spring installation support assembly and a plurality of cross beams which are combined and welded, the left longitudinal beam welding assembly and the right longitudinal beam welding assembly comprise an upper wing plate, a lower wing plate and a middle web plate, the upper wing plate, the lower wing plate and the web plate are all manufactured by segmented punch forming, and a plurality of groups of welding and installation holes are formed in the side faces of the upper wing plate and the lower wing plate. The stamping defect of the severe deformation area of the longitudinal beam can be avoided, the situation that the distortion deformation of the frame assembly of the vehicle is insufficient during the running of the vehicle on a poor road surface to cause large internal stress of the frame is reduced, and the grounding performance of the tire is improved so as to improve the running comfort.

Description

Pure electric mini-truck frame assembly

Technical Field

The invention relates to the technical field of pure electric mini-trucks, in particular to a frame assembly of a pure electric mini-truck.

Background

Most box-type structures of the cross section of the longitudinal beam of the existing mini-truck frame are generally formed by stamping a flat plate into a U shape and then welding the U shape with an upper sealing plate, so that the investment of a die is large, the material in a severe deformation area of the flat plate stamping is stretched and thinned, the thickness of the material at different positions of the frame can not be changed, the quality of the whole truck is large, the internal stress of the frame is large due to insufficient twisting deformation of a frame assembly when the truck runs on a poor road surface, the grounding property of tires is poor, the running comfort is poor, and the frame has great restriction (such as the increase of the cargo quality, the adjustment of the axle distance, the adjustment of the assembly space and the like) in the subsequent modification and upgrading process.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a pure electric mini-truck frame longitudinal beam, which solves the problems that the existing truck frame longitudinal beam is easy to deform, the tire grounding performance is poor, the driving comfort is poor, and the frame has great restriction in the subsequent modification and upgrading process.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a pure electric mini-truck frame longitudinal beam comprises a truck frame assembly, wherein the truck frame assembly comprises an upper wing plate, a lower wing plate and a middle web plate, the upper wing plate and the lower wing plate are both positioned at the bottom of the truck frame assembly, and the left ends of the upper wing plate and the lower wing plate are both welded and fixed through the middle web plate;

as a preferred embodiment of the present invention, the upper wing plate and the lower wing plate are respectively provided with a groove at the left end of the top thereof, the groove is in a radian-shaped structure, the upper and lower ends of the upper wing plate and the lower wing plate are respectively provided with a reinforcing rib, the upper wing plate, the lower wing plate and the reinforcing ribs are all integrally formed by stamping, and the side surfaces of the upper wing plate and the lower wing plate are provided with a plurality of sets of welding holes.

As a preferred embodiment of the invention, a plurality of groups of cross beams are welded between the upper wing plate and the lower wing plate, the cross beams are welded in welding holes between the upper wing plate and the lower wing plate, and the cross beams have groove type, tubular type and rectangular structures.

As a preferred embodiment of the present invention, mounting brackets are welded to the top portions of the left ends of the upper wing plate and the lower wing plate, the mounting brackets are in a trapezoidal structure, and a plurality of sets of mounting holes are formed in the top portions and the outer sides of the mounting brackets.

In a preferred embodiment of the present invention, the frame assembly 1 has a cross-shaped structure, and the material of the frame assembly 1 is B510L steel plate for a beam of an automobile.

As a preferred embodiment of the present invention, a set of bottom fixing blocks distributed symmetrically is disposed at the right ends of the upper wing plate and the lower wing plate, the bottoms of the bottom fixing blocks are of a radian-shaped structure, and mounting holes are disposed at the upper side and the lower side of each bottom fixing block.

(III) advantageous effects

The invention provides a pure electric mini-truck frame longitudinal beam. The method has the following beneficial effects:

this kind of solebar of structure more than electricelectric moves mini-truck solebar compares with current box structure, this use is novel can avoid the stamping defect in the violent deformation zone of longeron, it is big to reduce the vehicle frame assembly distortion deflection in the relatively poor road surface is not enough to cause the frame internal stress, it is big to increase tire earthing nature and then improve the travelling comfort, adjust alone according to the quality of carrying cargo and wheel base size, the material thickness of lower wing plate and middle web, the section height and then reduce whole car and reorganize and outfit the quality and improve the loading quality, according to assembled battery, Y between the longeron about the appearance needs adjustment of large-scale parts such as driver's cabin, Z is to the size.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

fig. 2 is a schematic structural view of the longitudinal beam of the invention.

In fig. 1, a lower frame assembly; 2. a front impact beam welding assembly; 3. an auxiliary frame mounting assembly; 4. a left stringer assembly; 5. a right stringer assembly; 6. a frame rail assembly; 7. a cab rear suspension mounting bracket; 8. a cab front suspension mounting bracket; 9. a battery pack mounting bracket; 10. a rear plate spring front bracket; 11. a converter mounting bracket; 12. a rear bracket of the rear plate spring; 13. a charging port bracket; 14. an upper wing plate; 16. a lower wing plate; 15 webs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-2, an embodiment of the present invention provides a technical solution: a longitudinal beam in the frame assembly comprises an upper wing plate 14, a lower wing plate 16 and a middle web plate 15, wherein the upper wing plate 14 and the lower wing plate 16 are located on two sides of the frame assembly 1, and the left ends of the upper wing plate 14 and the lower wing plate 16 are welded and fixed through the middle web plate 15;

in a preferred embodiment of the present invention, a plurality of sets of cross beams 6 are welded between the left longitudinal beam assembly 4 and the right longitudinal beam assembly 5, the cross beams 6 are welded in welding holes 16 between the upper wing plate 14 and the lower wing plate 16, the cross beams 6 have a groove type, a pipe type and a rectangular structure, the cross beams 6 are used for fixing the left longitudinal beam assembly 4 and the right longitudinal beam assembly 5 so as to prevent the left longitudinal beam assembly 4 and the right longitudinal beam assembly 5 from falling off, and the groove type, the pipe type and the rectangular structure are adopted for the cross beams 6, so that the connection stability can be effectively improved, and the toughness and the torsional strength of the frame assembly 1 can be enhanced.

As a preferred embodiment of the present invention, the rear portion of the frame assembly 1 is welded with the mounting bracket 11, the mounting bracket 11 is in a mesh structure, the mounting bracket 11 is provided with a plurality of sets of mounting holes, the mounting bracket 11 is used for facilitating the connection and installation work of the frame assembly 1, so that components such as an electric control, a high-voltage box, a DCDC converter and the like can be conveniently installed after being fixed with the frame assembly through the mounting bracket 11, and the mesh mounting bracket 11 has strong connection stability, can improve the installation stability, and can prevent the falling-off.

As a preferred embodiment of the present invention, the frame assembly 1 is a latticed structure, the frame assembly 1 is made of a B510L girder steel plate for an automobile, the frame assembly 1 is a latticed structure because the latticed structure is stable, and the longitudinal beams in the frame assembly 1 are made of an upper wing plate 14, a lower wing plate 16 and a web plate 15, which can greatly improve the stability and the firmness of the frame assembly 1, and the frame assembly 1 is made of the B510L girder steel plate for an automobile, which has high tensile strength and good toughness, can effectively reduce the energy consumption during the driving of the automobile, and further can ensure the firmness of the frame assembly 1.

The working principle is as follows: the frame assembly 1 can avoid the stamping defect of a severe deformation area of the longitudinal beam, the problem that the frame internal stress is large due to insufficient distortion deformation of the frame assembly 1 when a vehicle runs on a poor road surface is solved, the tire grounding performance is improved, the running comfort is further improved, the material thicknesses and the section heights of the upper wing plate 14, the lower wing plate 16 and the middle web plate 15 are independently adjusted according to the cargo carrying quality and the axle distance, the whole vehicle preparation quality is further reduced, the loading quality is improved, and the Y-direction and Z-direction sizes between the left longitudinal beam and the right longitudinal beam are adjusted according to the appearance requirements of large-sized components such as an assembled battery and a cab.

The invention 1, get off the assembly of the frame; 2. a front impact beam welding assembly; 3. an auxiliary frame mounting assembly; 4. a left longitudinal beam assembly; 5. a right stringer assembly; 6. a frame rail assembly; 7. a cab rear suspension mounting bracket; 8. a cab front suspension mounting bracket; 9. a battery pack mounting bracket; 10. a rear leaf spring front bracket; 11. a converter mounting bracket; 12. a rear bracket of the rear plate spring; 13. a charging port bracket; 14. an upper wing plate; 16. a lower wing plate; the automobile frame comprises a 15 web plate and a frame assembly, wherein the web plate is a universal standard component or a component known by technical personnel in the field, and the structure and the principle of the web plate are known by the technical manual or a conventional experimental method.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a electricelectric moves minivan frame assembly which characterized in that: including lower frame assembly (1), preceding crashproof roof beam welding assembly (2), sub vehicle frame installation assembly (3), lower frame assembly (1) is including left longeron assembly (4), right longeron assembly (5), frame cross member subassembly (6), suspension installing support (7) behind the driver's cabin, suspension installing support (8) before the driver's cabin, battery package installing support (9), back leaf spring fore-stock (10), converter installing support (11), back leaf spring after-poppet (12), mouthful support that charges (13).

2. The pure electric mini-truck frame assembly as defined in claim 1, wherein: go up pterygoid lamina (14) and have web (15) between pterygoid lamina (16) down, crossbeam (6) welding is in the welding hole (16) of web (15), crossbeam (6) have cell type, cast and rectangle structure.

3. The pure electric mini-truck frame assembly as defined in claim 1, wherein: the frame assembly (1) is of a grid-shaped structure, and the frame assembly (1) is made of a B510L crossbeam steel plate for the automobile.