CN219601379U

CN219601379U - Commercial vehicle frame front cross beam and commercial vehicle

Info

Publication number: CN219601379U
Application number: CN202320490314.9U
Authority: CN
Inventors: 刘福生; 周瑜; 刘嘉南; 孙海波; 李忠顺
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-08-29
Anticipated expiration: 2033-03-14

Abstract

The utility model belongs to the technical field of commercial vehicle frames, and discloses a commercial vehicle frame front cross beam and a commercial vehicle, wherein the commercial vehicle frame front cross beam comprises a cross beam body, a support and an electric bracket, and the cross beam body is a pipe; the two supports are L-shaped and provided with openings, and the openings of the two supports are oppositely arranged at the two ends of the beam body and are welded and fixed with the beam body; one side of the support, which is away from the cross beam body, can be respectively connected with a front bumper, a frame longitudinal beam and a cab front suspension bracket. The plurality of electric brackets are arranged at intervals along the long axis direction of the beam body and are welded and fixed with the beam body. The utility model is beneficial to reducing the manufacturing cost and the dead weight of the front cross beam of the frame of the commercial vehicle, has high integration level and stable and reliable connection.

Description

Commercial vehicle frame front cross beam and commercial vehicle

Technical Field

The utility model relates to the technical field of commercial vehicle frames, in particular to a front cross beam of a commercial vehicle frame and a commercial vehicle.

Background

The light weight of the whole vehicle is one of the important directions of the development of commercial vehicles. Approaches to achieving weight reduction include material replacement and structural optimization to minimize the use of heavy weight hardware. Among them, structural optimization generally designs parts as a unitary structure to increase structural strength and save materials. However, there is a problem in that the versatility is poor, each front cross member assembly is individually designed and manufactured, the replaceability is poor, and the mold manufacturing cost and the processing cost are high. In order to improve the wide application range, accessories such as a plurality of electric brackets are generally integrated on the front cross beam of the commercial vehicle frame in the prior art, so that the dead weight of the front cross beam of the commercial vehicle frame is large, and the problems of insufficient number or redundancy of the electric brackets are easy to occur. The connection mode at both ends of the beam body is single, and the connection stability is poor.

Disclosure of Invention

The utility model aims to provide a front cross beam of a commercial vehicle frame and a commercial vehicle, which are used for solving the problems of high manufacturing cost and poor connection stability of the front cross beam of the commercial vehicle frame.

To achieve the purpose, the utility model adopts the following technical scheme:

commercial vehicle frame front cross member includes:

the beam body is a pipe;

the two supports are L-shaped and provided with openings, the openings of the two supports are oppositely arranged at two ends of the beam body and are welded and fixed with the beam body, and the supports can be simultaneously connected with a front bumper, a frame longitudinal beam and a cab front suspension bracket;

the electric brackets are arranged in a plurality, are arranged at intervals along the long axis direction of the beam body and are welded and fixed with the beam body.

Optionally, the support includes mutually perpendicular first plate and second plate, first plate with the tip welded fastening of crossbeam body, second plate and front bumper bolted connection.

Optionally, the center of the second plate is provided with a plurality of lightening holes.

Optionally, the second plate is provided with a positioning hole and a plurality of first threaded holes, the plurality of first threaded holes are arranged at intervals at four vertex angle positions of the second plate, and the positioning hole is arranged in the middle of the top of the second plate.

Optionally, the first plate is provided with a plurality of second screw holes and two third screw holes at intervals in the circumferential direction, a plurality of the second screw holes are used for connecting frame longitudinal beams, and two third screw holes are used for connecting a front suspension bracket of the cab.

Optionally, the first plate has an oval through hole, the crossbeam body has a circular through hole, oval through hole with link up through oval section of thick bamboo transitional coupling between the circular through hole, two the third screw hole symmetry is located the upper and lower both sides of oval section of thick bamboo.

Optionally, a towing hook hole is formed in one support, the towing hook hole is convexly arranged on the surface of the elliptical cylinder along the radial direction of the elliptical cylinder, and the towing hook hole is provided with an internal thread.

Optionally, a plurality of right angle plate ribs are arranged between the first plate and the second plate at intervals, and two right angle edges of the right angle plate ribs are welded and fixed with the first plate and the second plate respectively.

Optionally, the support is a casting.

The utility model further provides a commercial vehicle, which comprises the commercial vehicle frame front cross beam.

The utility model has the beneficial effects that:

according to the front cross beam of the commercial vehicle frame, the two supports are welded and fixed at the two ends of the cross beam body, so that the supports and the cross beam body can be welded and assembled after being manufactured by adopting respective dies, and further, the two ends of the cross beam body can be welded and fixed with the supports with different sizes and shapes so as to adapt to the installation on the commercial vehicle frame, and the manufacturing cost of the front cross beam of the commercial vehicle frame is reduced. Through welding a plurality of electric brackets on the crossbeam body, realize flexible installation and the fixed of electric brackets, be convenient for arrange according to the quantity of required electric brackets, compare with prior art, the dead weight of crossbeam body is favorable to reducing to this utility model. Through setting up the support of L type, front bumper, frame longeron and cab front suspension support can be connected simultaneously to the support, and the integrated level is high, connects reliable and stable.

According to the commercial vehicle disclosed by the utility model, the electric support in the front cross beam of the commercial vehicle frame is welded and fixed with the cross beam body, the supports at the two ends are welded and fixed with the cross beam body, and the supports can be simultaneously connected with the front bumper, the frame longitudinal beam and the front suspension support of the cab, so that the commercial vehicle is high in integration level, high in connection strength, stable and reliable, and wide in application range.

Drawings

FIG. 1 is a schematic illustration of the structure of a front cross member of a commercial vehicle frame of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 at a first angle;

FIG. 3 is a schematic view of the structure of FIG. 1 at a second angle;

fig. 4 is a side view of a bracket in a front cross member of a commercial vehicle frame according to the present utility model.

In the figure:

1. a beam body;

2. a support; 21. a first plate member; 211. a second threaded hole; 212. a third threaded hole; 22. a second plate member; 221. a lightening hole; 222. positioning holes; 223. a first threaded hole; 23. an elliptic cylinder;

3. an electrical rack;

4. a tow hook hole; 5. rectangular plate ribs.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The utility model provides a front cross beam of a commercial vehicle frame, which is shown in fig. 1-4, and comprises a cross beam body 1, a support 2 and an electric bracket 3, wherein the cross beam body 1 is a pipe, in particular a pipe structure with a circular through hole; the two supports 2 are provided, the two supports 2 are L-shaped and have openings, the openings of the two supports 2 are oppositely arranged at two ends of the beam body 1 and are welded and fixed with the beam body 1, and in some embodiments, the supports 2 are connected with the beam body 1 by an automatic welding process. The side of the support 2, which is away from the cross beam body 1, can be respectively connected with a front bumper, a frame longitudinal beam and a cab front suspension bracket; the electric brackets 3 are provided with a plurality of electric brackets 3 which are arranged at intervals along the long axis direction of the beam body 1 and are welded and fixed with the beam body 1.

The electrical brackets 3 are made of sheet metal, are light, and can be welded at any position on the beam body 1 according to actual needs, and the structural form of the electrical brackets 3 is not limited by L-type or U-type. The embodiment comprises three electric brackets 3, and the three electric brackets 3 can be fixed by adopting a manual arc welding process after being attached to the peripheral wall of the beam body 1.

In this embodiment, through two support 2 of welded fastening at the both ends of crossbeam body 1 for support 2 and crossbeam body 1 can adopt respectively and carry out welding assembly after the manufacturing of mould, and then the support 2 that the both ends of crossbeam body 1 of being convenient for can welded fastening not equidimension and shape in order to adapt to the installation on commercial car frame, do benefit to reduction commercial car frame front cross beam manufacturing cost and equipment flexibility, application scope is wide. By welding a plurality of electric brackets 3 on the beam body 1, flexible installation and fixation of the electric brackets 3 are realized, and the electric brackets 3 are convenient to arrange according to the number of the required electric brackets 3. Through setting up support 2 of L type, can be simultaneously on support 2 integrated installation or connect front bumper, frame longeron and cab front suspension support, the integrated level is high. Compared with the prior art, the utility model simplifies the assembly structure of the front cross beam of the commercial vehicle frame and is beneficial to the overall weight-reducing design of the commercial vehicle frame.

Alternatively, the bracket 2 includes a first plate 21 and a second plate 22 perpendicular to each other, the first plate 21 is welded to the end of the cross member body 1, and the second plate 22 is bolted to the front bumper.

As shown in fig. 1 and 4, the first plate 21 and the second plate 22 are cast parts formed by integral casting, the first plate 21 and the beam body 1 are welded by adopting an automatic welding process, and the second plate 22 and the front bumper are connected by bolts so as to be convenient to detach and install.

Wherein the width of the second plate 22 is larger than that of the first plate 21, and the second plate 22 has an extending height in the up-down direction so as to be adapted to the height of the front bumper for installation. In order to reduce the dead weight, the center of the second plate 22 is provided with a plurality of lightening holes 221, as shown in fig. 2, the lightening holes 221 are four round corner square holes, and each lightening hole 221 is a counter bore facing to one side, and the counter bore structure is beneficial to increasing the structural strength of the inner hole.

Optionally, the second plate 22 is provided with a positioning hole 222 and a plurality of first threaded holes 223, the plurality of first threaded holes 223 are arranged at four vertex angle positions of the second plate 22 at intervals, and the positioning hole 222 is arranged in the middle of the top of the second plate 22.

As shown in fig. 2, the first plate 22 has a rectangular shape, and first screw holes 223 are provided at four corners, respectively, and the first screw holes 223 are used to be engaged with bolts to connect the front bumper. A positioning hole 222 is arranged between the two first threaded holes 223 at the upper part and is used as a process positioning reference in the process of mounting the front bumper, and the positioning hole 222 is a through hole with a smooth inner hole.

Optionally, the first plate 21 is circumferentially spaced with a plurality of second threaded holes 211 for connecting frame rails and two third threaded holes 212, the plurality of second threaded holes 211 for connecting cab front suspension brackets.

As shown in fig. 4, the first plate 21 is provided with six holes, and the left four holes are second threaded holes 211 for connecting the frame with bolts. The right two are third threaded holes 212 for connecting the cab front suspension brackets.

Optionally, the first plate 21 has an elliptical through hole, the beam body 1 has a circular through hole, the elliptical through hole and the circular through hole are connected and penetrated through in a transitional way through an elliptical cylinder 23 with a gradually changed cross section, and two third threaded holes 212 are symmetrically arranged on the upper side and the lower side of the elliptical cylinder 23.

The arrangement mode of the second threaded hole 211 and the third threaded hole 212 on the first plate 21 is shown in combination with fig. 1 and 4, so that the support 2 can be connected with the frame longitudinal beam and the cab front suspension bracket simultaneously, high-integration assembly is realized, the structure is compact and reasonable, and the whole weight reduction of the commercial vehicle frame is facilitated. The oval cylinder 23 is a cylinder with an oval cross section with gradually changed cross section size, and is in transitional communication with the circular through hole of the beam body 1. The major axis of the elliptical through-hole is perpendicular to the second plate 22 and is disposed in the front-rear direction, and the minor axis is disposed in the up-down direction. One end of the elliptical cylinder 23 is elliptical, and the other end gradually transits into a circle to be matched with the beam body 1 so as to be convenient for welding and fixing.

Optionally, a towing hook hole 4 is provided on one support 2, the towing hook hole 4 is convexly provided on the surface of the elliptical cylinder 23 along the radial direction of the elliptical cylinder 23, and the towing hook hole 4 is provided with an internal thread.

The present embodiment provides a tow hook aperture 4 in one side mount 2 for towing the vehicle in the event of a failure of the vehicle. The towing hook hole 4 is provided with internal threads, so that threaded connection with a towing rope is realized conveniently, and connection is convenient and reliable.

Optionally, a plurality of rectangular ribs 5 are arranged between the first plate 21 and the second plate 22 at intervals, and two rectangular edges of the rectangular ribs 5 are welded and fixed with the first plate 21 and the second plate 22 respectively.

As shown in fig. 3, when the support 2 is connected with the frame rail, the two connection surfaces are right angles, in order to ensure the connection strength, the rectangular plate bar 3 is arranged between the first plate 21 and the second plate 22, and the rectangular plate bar 5 is a triangular plate, so that the rigidity and strength of the support 2 and the frame rail in the front-rear direction can be improved. Typically, two rectangular ribs 5 are provided on each support 2, one on each side of the oval through hole.

According to the commercial vehicle disclosed by the utility model, the electric support in the front cross beam of the commercial vehicle frame is welded and fixed with the cross beam body, the supports at the two ends are welded and fixed with the cross beam body, and the front bumper, the frame longitudinal beam and the cab front suspension support can be simultaneously connected on the supports, so that the integration level is high, and the application range is wide.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. Commercial vehicle frame front cross member, its characterized in that includes:

the beam comprises a beam body (1), wherein the beam body (1) is a pipe;

the two supports (2) are arranged, the two supports (2) are L-shaped and are provided with openings, the openings of the two supports (2) are oppositely arranged at two ends of the beam body (1) and are welded and fixed with the beam body (1), and the supports (2) can be simultaneously connected with a front bumper, a frame longitudinal beam and a front suspension bracket of a cab;

the electric support (3), electric support (3) are equipped with a plurality ofly, and a plurality of electric support (3) are followed the major axis direction interval setting of crossbeam body (1) and all with crossbeam body (1) welded fastening.

2. The commercial vehicle frame front cross member according to claim 1, characterized in that the bracket (2) comprises a first plate (21) and a second plate (22) perpendicular to each other, the first plate (21) being welded to the end of the cross member body (1), the second plate (22) being bolted to the front bumper.

3. The commercial vehicle frame front cross member according to claim 2, characterized in that the center of the second plate member (22) is provided with a plurality of weight-reducing holes (221).

4. The front cross member of a commercial vehicle frame as claimed in claim 2, wherein the second plate member (22) is provided with a positioning hole (222) and a plurality of first threaded holes (223), the plurality of first threaded holes (223) are arranged at four vertex angle positions of the second plate member (22) at intervals, and the positioning hole (222) is arranged in the middle of the top of the second plate member (22).

5. The commercial vehicle frame front cross member according to claim 2, characterized in that the first plate member (21) is circumferentially spaced with a plurality of second screw holes (211) and two third screw holes (212), the plurality of second screw holes (211) being used for connecting the frame rail, and the two third screw holes (212) being used for connecting the cab front suspension bracket.

6. The front cross beam of a commercial vehicle frame according to claim 5, wherein the first plate (21) is provided with an elliptical through hole, the cross beam body (1) is provided with a circular through hole, the elliptical through hole and the circular through hole are in transitional connection and are communicated through an elliptical cylinder (23), and two third threaded holes (212) are symmetrically arranged on the upper side and the lower side of the elliptical cylinder (23).

7. The front cross beam of a commercial vehicle frame according to claim 6, characterized in that one of the brackets (2) is provided with a towing hook hole (4), the towing hook hole (4) is convexly arranged on the surface of the elliptical cylinder (23) along the radial direction of the elliptical cylinder (23), and the towing hook hole (4) is provided with internal threads.

8. The front cross beam of a commercial vehicle frame according to claim 2, wherein a plurality of rectangular ribs (5) are arranged between the first plate (21) and the second plate (22) at intervals, and two rectangular edges of the rectangular ribs (5) are welded and fixed with the first plate (21) and the second plate (22) respectively.

9. The commercial vehicle frame front cross member according to any one of claims 1-8, characterized in that the carrier (2) is a cast part.

10. Commercial vehicle, characterized by comprising a commercial vehicle frame front cross member according to any one of claims 1-9.