Commercial vehicle frame cross beam

Abstract

The utility model relates to the field of automobiles, and discloses a commercial vehicle frame cross beam which comprises a die-casting cross beam sleeve frame body, a light-weight punching hole set is formed in the top wall of the die-casting cross beam sleeve frame body in a penetrating mode, a rivet is riveted to the end of the top wall of the die-casting cross beam sleeve frame body, and a strengthening corner bracket is riveted to the end of the top wall of the die-casting cross beam sleeve frame body through the rivet. A reinforcing corner bracket is riveted at the end part in a die-casting cross beam sleeve frame body, so that a stress-resistant steel bar and an engineering plastic lining beam which are fixed with the reinforcing corner bracket are fixed in the die-casting cross beam sleeve frame body, and the hollow die-casting cross beam sleeve frame body structure is filled with a filling beam frame which takes the engineering plastic lining beam as a main body and takes the stress-resistant steel bar as a framework; the overall structure provides strong stress load, the overall strength of the cross beam structure is improved, the defect that the weight is increased too much is avoided, the engineering plastic lining beam serves as a main body, the design requirement for light weight is guaranteed, and the strength and stress load quality of the cross beam are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobiles, in particular to a commercial vehicle frame crossbeam. Background Art

[0002] The frame crossbeam is not only used to ensure the torsional rigidity of the frame and bear the longitudinal load, but also to support the main components of the car. Currently, the existing commercial vehicle frame crossbeams on the market basically use cast steel structures as the main body, and then riveted, welded or screwed to fix. The hollow structure inside provides strength support and stress load quality. Excessive filling inside or thickening the beam wall will increase the overall weight too much, making it difficult to coordinate the lightweight design needs. Summary of the invention

[0003] The utility model provides a commercial vehicle frame cross beam to solve the problem that the existing commercial vehicle frame cross beam basically adopts a cast steel structure as the main body, which is then riveted or welded or screwed to fix, and the internal hollow structure provides general strength support and stress load quality, while excessive filling of the interior or thickening of the beam wall will increase the overall weight too much.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a commercial vehicle frame crossbeam, comprising a die-cast crossbeam frame body, the top wall of the die-cast crossbeam frame body is penetrated by a lightweight stamping hole group, the end of the top wall of the die-cast crossbeam frame body is riveted with rivets, and the end of the top wall of the die-cast crossbeam frame body is riveted with a reinforcing angle frame through rivets, and the reinforcing angle frame is welded and installed with anti-stress steel bars on one side close to the inside of the die-cast crossbeam frame body, and the surface of the anti-stress steel bars and the side of the reinforcing angle frame are fixedly sleeved with an engineering plastic lining beam, and the top surface, front side and rear side of the engineering plastic lining beam are all fitted and overlapped with the inner wall of the die-cast crossbeam frame body, and lightweight holes are penetrated on both sides of the engineering plastic lining beam.

[0005] Preferably, the reinforced angle frame includes a supporting right-angle steel plate frame, an angle frame rivet hole and a supporting angle plate, the supporting angle plate is fixedly installed in the middle of the inner wall of the supporting right-angle steel plate frame, and the angle frame rivet hole is opened longitudinally through the top wall of the supporting right-angle steel plate frame.

[0006] Preferably, the ends of the anti-stress steel bars are welded and fixed to the side surface of the supporting right-angle steel plate frame away from the supporting angle plate, and the number of the anti-stress steel bars is four, and the four anti-stress steel bars are respectively welded and installed on the side of the supporting right-angle steel plate frame near the corner.

[0007] Preferably, the lightweight stamping hole group includes a lightweight stamping through-slot and a lightweight stamping through-hole, the lightweight stamping through-holes are distributed on both sides of the lightweight stamping through-slot, the lightweight stamping through-slot is a rectangular through-slot with rounded corners, and the stamping through-hole is a circular through-hole.

[0008] Preferably, a riveted circular hole is opened through the sleeve wall of the die-cast cross beam sleeve body near the side end, and the number of the riveted circular holes is multiple, and the multiple riveted circular holes are distributed on the front side wall, rear side wall and top side wall of the end of the die-cast cross beam sleeve body.

[0009] Preferably, a lightweight punching groove is opened in the middle of the bottom end of the die-cast cross beam sleeve body, the number of the lightweight punching grooves is two, and the two lightweight punching grooves are respectively located at the front side and the rear side of the bottom edge of the die-cast cross beam sleeve body.

[0010] Preferably, the lightweight holes are circular through holes, and there are multiple lightweight holes, and the multiple lightweight holes are equally divided into two groups, and the two groups of lightweight holes are respectively opened near the front side and near the rear side of the engineering plastic lining beam.

[0011] The beneficial effects of the utility model are as follows: a commercial vehicle frame crossbeam, by riveting a strengthening angle frame at the end in a hollow beam frame structure-a die-cast crossbeam sleeve body, even if the stress-resistant steel bars and engineering plastic lining beams fixed with the strengthening angle frame are fixed inside the die-cast crossbeam sleeve body, so that the hollow die-cast crossbeam sleeve body structure is filled with a filling beam frame with an engineering plastic lining beam as the main body and stress-resistant steel bars as the skeleton, so that the overall structure provides a strong stress load, and also improves the overall strength of the beam structure, and also avoids the disadvantage of increasing too much weight. The engineering plastic lining beam is used as the main body. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a top three-dimensional view of the structure of the utility model;

[0013] Figure 2 This is a three-dimensional view of the bottom of the structure of the utility model;

[0014] Figure 3 This is a three-dimensional view of the local structure of the utility model;

[0015] Figure 4 It is a three-dimensional view of the local structure of the utility model.

[0016] In the figure: 1 die-cast crossbeam frame body, 2 lightweight punched hole group, 3 rivets, 4 reinforced angle brackets, 5 stress-resistant steel bars, 6 engineering plastic lining beams, 7 lightweight empty holes, 101 lightweight punched slots, 102 lightweight punched slots, 201 lightweight punched through slots, 202 punched through holes, 401 supporting right-angle steel plate frame, 402 angle bracket rivet holes, 403 supporting angle plates. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Reference Figure 1-4 A commercial vehicle frame crossbeam comprises a die-cast crossbeam frame body 1, a top wall of the die-cast crossbeam frame body 1 is penetrated with a lightweight stamping hole group 2, the end of the top wall of the die-cast crossbeam frame body 1 is riveted with a rivet 3, and the end of the top wall of the die-cast crossbeam frame body 1 is riveted with a reinforcing angle frame 4 through the rivet 3, and the reinforcing angle frame 4 is welded and installed with an anti-stress steel bar 5 on one side close to the inside of the die-cast crossbeam frame body 1, and an engineering plastic lining beam 6 is fixedly sleeved on the surface of the anti-stress steel bar 5 and the side of the reinforcing angle frame 4, and the top surface, front side surface and rear side surface of the engineering plastic lining beam 6 are all in contact with the inner wall of the die-cast crossbeam frame body 1, and lightweight holes 7 are penetrated on both sides of the engineering plastic lining beam 6.

[0019] In the present invention, the strengthening angle frame 4 includes a supporting right-angle steel plate frame 401, an angle frame rivet hole 402 and a supporting angle plate 403. The supporting angle plate 403 is fixedly installed in the middle of the inner wall of the supporting right-angle steel plate frame 401. The angle frame rivet hole 402 is longitudinally opened through the top wall of the supporting right-angle steel plate frame 401.

[0020] More specifically, by providing a supporting angle plate 403 fixedly installed on the middle part of the inner wall of the supporting right-angle steel plate frame 401, the strength and stress resistance of the supporting right-angle steel plate frame 401 structure are made better.

[0021] In the present invention, the end of the stress-resistant steel bar 5 is welded and fixed to the side surface of the supporting right-angle steel plate frame 401 away from the supporting angle plate 403, and the number of the stress-resistant steel bars 5 is four, and the four stress-resistant steel bars 5 are respectively welded and installed near the corner of the side of the supporting right-angle steel plate frame 401;

[0022] More specifically, four stress-resistant steel bars 5 are respectively welded and installed on the side surfaces of the supporting right-angle steel plate frame 401 near the corners, so that the stress load provided is more uniform.

[0023] In the present invention, the lightweight punching hole group 2 includes a lightweight punching through slot 201 and a lightweight punching through hole 202. The lightweight punching through hole 202 is distributed on both sides of the lightweight punching through slot 201. The lightweight punching through slot 201 is a rectangular through slot with rounded corners, and the punching through hole 202 is a circular through hole.

[0024] More specifically, by providing a combination of a lightweight punched through slot 201 and a lightweight punched through hole 202, the strength of the entire crossbeam is ensured while reducing its own weight and saving consumables.

[0025] In the utility model, a riveted circular hole 101 is formed through the sleeve wall of the die-cast cross beam sleeve body 1 near the side end, and the number of the riveted circular holes 101 is multiple, and the multiple riveted circular holes 101 are distributed on the front side wall, the rear side wall and the top side wall of the end of the die-cast cross beam sleeve body 1;

[0026] More specifically, a plurality of riveting circular holes 101 are arranged and distributed on the front side wall, the rear side wall and the top side wall of the end of the die-cast cross beam sleeve body 1 to provide riveting hole positions for installing the die-cast cross beam sleeve body 1 .

[0027] In the present invention, a lightweight punching slot 102 is provided in the middle of the bottom end of the die-cast cross beam frame body 1. The number of lightweight punching slots 102 is two, and the two lightweight punching slots 102 are respectively located at the front side and the rear side of the bottom edge of the die-cast cross beam frame body 1;

[0028] More specifically, by arranging two lightweight punching grooves 102 respectively at the front and rear sides of the bottom edge of the die-cast crossbeam sleeve body 1, a lightweight design is achieved while saving occupied space.

[0029] In the present invention, the lightweight holes 7 are circular through holes, and the number of the lightweight holes 7 is multiple, and the multiple lightweight holes 7 are equally divided into two groups, and the two groups of lightweight holes 7 are respectively opened near the front side and near the rear side of the engineering plastic lining beam 6;

[0030] More specifically, by providing two groups of lightweight holes 7 respectively opened near the front side and near the rear side of the engineering plastic lining beam 6, the overall strength is ensured while also saving the consumable cost of the engineering plastic.

[0031] Working principle: Place the engineering plastic lining beam 6 and the strengthening angle frame 4 inside the assembled die-cast beam frame body 1, so that the engineering plastic lining beam 6 fits inside the die-cast beam frame body 1, and then rivet the strengthening angle frame 4 and the die-cast beam frame body 1 near the end through the rivet 3, so that the engineering plastic lining beam 6 can be loaded inside the die-cast beam frame body 1 for installation.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A commercial vehicle frame crossbeam, comprising a die-cast crossbeam frame body (1), characterized in that: The top wall of the die-cast crossbeam frame body (1) is penetrated by a lightweight punching hole group (2), the end of the top wall of the die-cast crossbeam frame body (1) is riveted with a rivet (3), the end of the top wall of the die-cast crossbeam frame body (1) is riveted with a reinforcing angle frame (4) through the rivet (3), a stress-resistant steel bar (5) is welded and installed on one side of the reinforcing angle frame (4) close to the inside of the die-cast crossbeam frame body (1), an engineering plastic lining beam (6) is fixedly sleeved on the surface of the stress-resistant steel bar (5) and the side of the reinforcing angle frame (4), and the top surface, front side surface and rear side surface of the engineering plastic lining beam (6) are all overlapped with the inner wall of the die-cast crossbeam frame body (1), and lightweight holes (7) are penetrated on both sides of the engineering plastic lining beam (6).

2. A commercial vehicle frame crossbeam according to claim 1, characterized in that: The reinforced angle frame (4) comprises a supporting right-angle steel plate frame (401), an angle frame rivet hole (402) and a supporting angle plate (403); the supporting angle plate (403) is fixedly mounted on the middle part of the inner wall of the supporting right-angle steel plate frame (401); and the angle frame rivet hole (402) is longitudinally penetrated through the top wall of the supporting right-angle steel plate frame (401).

3. A commercial vehicle frame crossbeam according to claim 1 or 2, characterized in that: The ends of the stress-resistant steel bars (5) are welded and fixed to the side surface of the supporting right-angle steel plate frame (401) away from the supporting angle plate (403), and the number of the stress-resistant steel bars (5) is four, and the four stress-resistant steel bars (5) are respectively welded and installed near the corners of the side surfaces of the supporting right-angle steel plate frame (401).

4. A commercial vehicle frame crossbeam according to claim 1, characterized in that: The lightweight punching hole group (2) comprises a lightweight punching through slot (201) and a lightweight punching through hole (202), wherein the lightweight punching through hole (202) is distributed on both sides of the lightweight punching through slot (201), the lightweight punching through slot (201) is a rectangular through slot with rounded corners, and the punching through hole (202) is a circular through hole.

5. A commercial vehicle frame crossbeam according to claim 1, characterized in that: A riveted circular hole (101) is formed through the sleeve wall of the die-cast cross beam sleeve body (1) near the side end. The number of the riveted circular holes (101) is multiple, and the multiple riveted circular holes (101) are distributed on the front side wall, the rear side wall and the top side wall of the end of the die-cast cross beam sleeve body (1).

6. A commercial vehicle frame crossbeam according to claim 1, characterized in that: A lightweight punched groove (102) is provided in the middle of the bottom end of the die-cast cross beam sleeve body (1), the number of the lightweight punched grooves (102) is two, and the two lightweight punched grooves (102) are respectively located at the front side and the rear side of the bottom edge of the die-cast cross beam sleeve body (1).

7. A commercial vehicle frame crossbeam according to claim 1, characterized in that: The lightweight holes (7) are circular through holes, and there are a plurality of lightweight holes (7). The plurality of lightweight holes (7) are equally divided into two groups, and the two groups of lightweight holes (7) are respectively opened near the front side and near the rear side of the engineering plastic lining beam (6).

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