CN217994553U - A commercial vehicle frame assembly - Google Patents

Abstract

The utility model relates to a frame assembly of a commercial vehicle, which belongs to the technical field of vehicle parts and includes a right longitudinal beam and a left longitudinal beam, and a front beam and a bracket beam are sequentially arranged between the right longitudinal beam and the left longitudinal beam from front to back , the first crossbeam, the second crossbeam, the third crossbeam and the tail beam, the right longitudinal beam and the left longitudinal beam are equipped with bending parts, the distance between the two longitudinal beams decreases from the front end of the longitudinal beam to the bending part, and the frame assembly It is Y-shaped on the whole, and the upper and lower wing surfaces of the rear longitudinal beam at the bend are equipped with an upper reinforcing plate and a lower reinforcing plate, and the two ends of the first beam, the second beam, and the third beam are installed on the reinforcing plate. The frame assembly of the utility model can take into account two working conditions of standard load and light load, has a stable structure, improves the mechanical properties of the frame, reduces the stress on the frame, and greatly improves the bearing capacity of the frame. The design of the frame and the upper and lower reinforcement plates can effectively reduce the weight of the frame and improve the fuel economy of the vehicle.

Description

A commercial vehicle frame assembly

technical field

The utility model relates to a commercial vehicle frame assembly, which belongs to the technical field of vehicle components.

Background technique

At present, the frame assembly structure of commercial vehicles is mainly suitable for the working conditions of standard transportation. The structure is relatively complex, and the structure is seriously homogenized, and the weight of the frame itself is relatively heavy, which cannot meet the requirements of lightweight and modular vehicles. In addition, there are still some frame structures that are too light-weight, resulting in a single purpose and unable to meet the needs of composite working conditions. Patent CN110228526A has designed a lightweight vehicle frame, although the light weight of the structure has been realized, but the torsion resistance of the vehicle frame is relatively poor, which is only suitable for light loads and cannot meet the requirements of heavy loads; the vehicle frame of patent CN110843920A adopts double-layer Although the carrying capacity of the frame has been improved, the weight of the frame has increased, and most of the tail beams are spliced structures. The strength of the frame at the tail beam is not enough, and the time cost of assembly is increased.

Utility model content

The purpose of the present utility model is to solve the above-mentioned existing problems and provide a commercial vehicle frame assembly which can solve the problems of the existing lightweight frame having too single use and weak load-carrying capacity.

The utility model is achieved through the following technical solutions:

That is, a commercial vehicle frame assembly, including a right longitudinal beam and a left longitudinal beam, between the right longitudinal beam and the left longitudinal beam, a front crossbeam, a bracket beam, a first crossbeam, a second crossbeam, a The three beams and the tail beam, the right longitudinal beam and the left longitudinal beam are equipped with bending parts. The distance between the two longitudinal beams decreases from the front end of the longitudinal beam to the bending part. The frame assembly is Y-shaped as a whole. The upper wing surface and the lower wing surface of the longitudinal beam are equipped with an upper reinforcing plate and a lower reinforcing plate, and the two ends of the first beam, the second beam and the third beam are installed on the reinforcing plate.

The vehicle frame assembly of the utility model can take into account two working conditions of standard load and light load. It adopts a "Y" structure and has a stable structure. Effectively improve the mechanical properties of the frame, reduce the stress on the frame, and greatly increase the bearing capacity of the frame. At the same time, compared with the double-layer frame, the design of the upper and lower reinforcement plates can effectively reduce the weight of the frame and improve the fuel consumption of the vehicle. economy.

A further improvement of the utility model is that the beam lift of the third beam adopts a hollow tubular casting structure. On the basis of ensuring the strength of the frame, the light weight is improved, which can effectively reduce the weight of the frame and improve the fuel economy of the vehicle;

A further improvement of the utility model is that the tail beam adopts a stamping integrated structure. The stamped one-piece tail beam adopts a modular structure, which improves the manufacturability of the whole vehicle and reduces the difficulty of assembly of the whole vehicle.

A further improvement of the utility model is that a saddle connecting plate is provided on the outer side of the rear part of the right longitudinal beam and the left longitudinal beam.

A further improvement of the utility model is that the upper reinforcing plate and the lower reinforcing plate are equally divided into two sections, including the first upper reinforcing plate and the first lower reinforcing plate and the second upper reinforcing plate and the second lower reinforcing plate, the second A beam and a second beam are installed between the first upper reinforcement board and the first lower reinforcement board, and the third beam is installed between the upper reinforcement board and the second lower reinforcement board. Further improve the mechanical properties of the frame, reduce the stress on the frame, and greatly increase the bearing capacity of the frame, compared with the double-layer frame.

A further improvement of the utility model is that the front beam is located at the front end of the longitudinal beam, and the bracket beam is located at the front end of the bending part of the longitudinal beam.

Compared with the prior art, the beneficial effects of the utility model are:

The vehicle frame assembly of the utility model can take into account two working conditions of standard load and light load. It adopts a "Y" structure and has a stable structure. Effectively improve the mechanical properties of the frame, reduce the stress on the frame, and greatly increase the bearing capacity of the frame. At the same time, compared with the double-layer frame, the design of the upper and lower reinforcement plates can effectively reduce the weight of the frame and improve the fuel consumption of the vehicle. economy.

Description of drawings

In order to illustrate the technical solution of the utility model more clearly, the accompanying drawings that need to be used in the description will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the utility model. Ordinary technicians can also obtain other drawings based on these drawings on the premise of not paying creative work.

Fig. 1 is a schematic diagram of the overall structure of a specific embodiment of the present invention.

Fig. 2 is a schematic structural view of a tubular cast beam according to a specific embodiment of the present invention.

Fig. 3 is a structural schematic diagram of an integrated tail beam according to a specific embodiment of the present invention.

In the figure: 1. Right longitudinal beam; 2. Left longitudinal beam; 3. Front beam; 4. Bracket beam; 5. The first lower reinforcing plate; 6. The first upper reinforcing plate; 7. The first beam; The second beam; 9, the saddle connecting plate; 10, the second lower reinforcement plate; 11, the third beam; 12, the second upper reinforcement plate; 13, the tail beam.

detailed description

The specific embodiment of the utility model will be described in further detail below with reference to the accompanying drawings.

A commercial vehicle frame assembly as shown in Figures 1 to 3 includes a right longitudinal beam 1 and a left longitudinal beam 2, and a front crossbeam 3, The bracket beam 4, the first beam 7, the second beam 8, the third beam 11 and the tail beam 13, the front beam 3 is located at the front end of the longitudinal beam, the bracket beam 4 is located at the front end of the bending part of the longitudinal beam, and the right longitudinal beam 1 and the left longitudinal beam 2 are provided with a bending part, the distance between the two longitudinal beams decreases from the front end of the longitudinal beam to the bending part, the frame assembly is Y-shaped as a whole, and the upper wing surface of the rear longitudinal beam at the bending position 1. The lower wing surface is equipped with an upper reinforcing plate and a lower reinforcing plate, and the two ends of the first beam 7, the second beam 8 and the third beam 11 are installed on the reinforcing plate.

Wherein, the beam handle of the third beam 11 adopts a hollow tubular casting structure, and the tail beam 13 adopts a stamping integrated structure.

Wherein, a saddle connecting plate 9 is provided on the outside of the rear of the right longitudinal beam 1 and the left longitudinal beam 2 .

Wherein, the upper reinforcing plate and the lower reinforcing plate are equally divided into two sections, including the first upper reinforcing plate 6 and the first lower reinforcing plate 5 and the second upper reinforcing plate 12 and the second lower reinforcing plate 10, the first beam 7, the second reinforcing plate The second beam 8 is installed between the first upper reinforcement board 6 and the first lower reinforcement board 5 , and the third beam is installed between the upper reinforcement board 12 and the second lower reinforcement board 10 .

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

If the terms "upper", "lower", "outer side" and "inner side" in the specification and claims of the present utility model and the above drawings are used to distinguish the relative relationship in position, they do not need to be qualitative. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. A commercial vehicle frame assembly, characterized in that it comprises a right longitudinal beam (1) and a left longitudinal beam (2), and the right longitudinal beam (1) and the left longitudinal beam (2) are sequentially arranged from front to back There are front beam (3), bracket beam (4), first beam (7), second beam (8), third beam (11) and tail beam (13), right longitudinal beam (1) and left longitudinal beam Beams (2) are provided with bending parts, and the distance between the two longitudinal beams decreases gradually from the front end of the longitudinal beams to the bending part. An upper reinforcing plate and a lower reinforcing plate are installed on the lower airfoil, and the two ends of the first beam (7), the second beam (8) and the third beam (11) are installed on the reinforcing plate. 2. A commercial vehicle frame assembly according to claim 1, characterized in that, the beam support of the third beam (11) adopts a hollow tubular casting structure. 3. A commercial vehicle frame assembly according to claim 1, characterized in that the tail beam (13) adopts a stamping integrated structure. 4. A commercial vehicle frame assembly according to claim 1, characterized in that, a saddle connecting plate (9) is provided on the outside of the rear of the right side beam (1) and the left side beam (2). 5. A commercial vehicle frame assembly according to claim 1, characterized in that, the upper reinforcing plate and the lower reinforcing plate are equally divided into two sections, including a first upper reinforcing plate (6) and a first lower reinforcing plate Reinforcement plate (5) and the second upper reinforcement plate (12) and the second lower reinforcement plate (10), the first beam (7), the second beam (8) are installed on the first upper reinforcement plate (6) and the first Between the lower reinforcement boards (5), the third beam (11) is installed between the upper reinforcement board (12) and the second lower reinforcement board (10). 6. A commercial vehicle frame assembly according to claim 1, characterized in that, the front beam (3) is located at the front end of the longitudinal beam, and the bracket beam (4) is located at the front end of the bending part of the longitudinal beam.

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