Single-layer locally-reinforced frame and vehicle

Abstract

The utility model discloses a single-layer locally reinforced frame and a vehicle, the frame comprises a frame left longitudinal beam, a frame right longitudinal beam, a cross beam assembly 1, a cross beam assembly 2, a cross beam assembly 3, a cross beam assembly 4, a cross beam and a connecting plate, the connecting plate is connected with the frame longitudinal beams through frame lower row standard holes; the first cross beam assembly, the second cross beam assembly, the third cross beam assembly, the fourth cross beam assembly and the cross beam are arranged between a left longitudinal beam and a right longitudinal beam of a frame, and the first cross beam assembly is a front cross beam assembly and is located at the foremost end of the frame assembly; the four beam assemblies II are distributed between the central surface of the front axle and the central surface of the rear axle; the cross beam assembly III and the cross beam assembly IV are respectively a front plate spring seat cross beam and a rear plate spring seat cross beam; and the cross beam is a lightweight rear cross beam and is arranged at the tail end of the frame. The weight of the frame assembly is reduced, the stability of the whole vehicle is improved, and the universality of the frame assembly is improved under the condition that the stress distribution of bending and twisting working conditions is uniform and the strength and rigidity of the frame are ensured.

Description

Technical Field

[0001] The utility model relates to a single-layer locally reinforced vehicle frame and a vehicle, belonging to the technical field of automobile parts. Background Art

[0002] The frame assembly is the base of the vehicle. The main function of the frame is to support, connect and install the assembly parts of the cab, engine, transmission system, control system, body and running system, and ensure their correct relative position through the frame. In addition to the static load, the frame assembly also has to bear the dynamic load generated when the car is driving. Therefore, the frame assembly must ensure sufficient strength and rigidity to meet the use requirements of the whole vehicle. In the prior art, the frame assembly with a wheelbase of 7.1m adopts a double-layer frame structure, and the frame itself is heavy; the frame assembly in the prior art is a rear width of 865mm, which is not conducive to improving the versatility of the frame; the vehicle layout applicable to each frame is not uniform, resulting in a wide variety of frames. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a single-layer locally reinforced frame and a vehicle in view of the defects in the prior art, improve the versatility of the frame, and reduce the weight of the frame assembly while ensuring the strength and rigidity of the frame.

[0004] To solve this technical problem, the utility model provides a single-layer locally reinforced frame, including a left longitudinal beam of the frame, a right longitudinal beam of the frame, a crossbeam assembly one, a crossbeam assembly two, a crossbeam assembly three, a crossbeam assembly four, a crossbeam and a connecting plate, wherein the connecting plate is connected to the frame longitudinal beam through a lower row of standard holes of the frame; the crossbeam assembly one, the crossbeam assembly two, the crossbeam assembly three, the crossbeam assembly four and the crossbeam are arranged between the left longitudinal beam of the frame and the right longitudinal beam of the frame, the crossbeam assembly one is a front crossbeam assembly, which is located at the front end of the frame assembly; the crossbeam assembly two is provided at four locations, which are distributed between the center plane of the front axle and the center plane of the rear axle, and the first location of the crossbeam assembly two is moved backward relative to the center line of the first axle, providing space for the gearbox retarder; the crossbeam assembly three and the crossbeam assembly four are the front leaf spring seat crossbeam and the rear leaf spring seat crossbeam respectively; the crossbeam is a lightweight rear crossbeam, which is provided at two locations and is arranged at the end of the frame.

[0005] The connecting plate is L-shaped, with inclined plane 1 and inclined plane 2 cut at its front end, and concave arc 1 and concave arc 2 cut at the contact point with the rear leaf spring support of the front suspension and the adjusting hole of the cab suspension height valve; the connecting plate takes the rear end of the rear suspension of the engine as the starting point and ends at the front end of the third crossbeam assembly.

[0006] The cross beam assembly has a cross-section in the shape of a square, and is connected to the longitudinal beams of the frame through connecting plates on both sides, and each connecting plate has seven holes.

[0007] The cross-beam section of the second cross-beam of the cross-beam assembly is groove-shaped and is connected to the longitudinal beam of the frame through connecting plates on both sides, and each connecting plate on each side has twelve holes.

[0008] The crossbeam assembly three and the crossbeam assembly four are composed of two groove-shaped crossbeams combined through a crossbeam connecting plate.

[0009] The front width of the frame is 965 mm, and the rear width is 850 mm.

[0010] The utility model also provides a vehicle, on which the above-mentioned single-layer locally reinforced vehicle frame is provided.

[0011] Beneficial effects: On the basis of safety and reliability, the utility model has the function of improving the versatility of the frame and can be applied to trucks; while ensuring uniform stress distribution under bending and torsion conditions, the quality of the utility model is much lower than that of the same type of frame assembly products, and the existing frame reinforcement beam is set as a locally reinforced connecting plate, and the connecting plate is reasonably fixed through the standard holes in the lower row of the frame, taking stress concentration into consideration, and at the same time, in order to avoid interference with the engine suspension, the rear leaf spring support of the front suspension and the adjusting hole of the cab suspension height valve, the locally reinforced connecting plate is cut, which can reduce the weight of the frame assembly while ensuring the strength and rigidity of the frame, and improve the stability of the whole vehicle; the front width is 965mm and the rear width is 850mm, which improves the versatility of the frame assembly compared with the same type of frames, and realizes the use of the same frame assembly for multiple vehicles. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 This is a schematic front view of the structure of the beam assembly of the utility model;

[0014] Figure 3 This is a schematic top view of the structure of the crossbeam assembly of the utility model.

[0015] Figure 4 This is a schematic front view of the structure of the second crossbeam assembly of the utility model;

[0016] Figure 5 It is a schematic top view of the structure of the second crossbeam assembly of the utility model;

[0017] Figure 6 This is a schematic front view of the structure of the beam assembly 3 of the utility model;

[0018] Figure 7 It is a schematic top view of the structure of the beam assembly 3 of the utility model;

[0019] Figure 8 This is a schematic front view of the structure of the beam assembly 4 of the utility model;

[0020] Fig. 9 It is a schematic top view of the structure of the beam assembly 4 of the utility model;

[0021] Fig.10 This is a schematic front view of the structure of the crossbeam of the utility model;

[0022] Fig.11 It is a schematic top view of the structure of the crossbeam of the utility model;

[0023] Fig.12 This is a schematic front view of the connecting plate structure of the utility model;

[0024] Fig.13 It is a schematic top view of the connecting plate structure of the utility model.

[0025] Fig.14 The installation diagram of the connecting plate of the utility model is shown in FIG. Figure 1 ;

[0026] Fig.15 The installation diagram of the connecting plate of the utility model is shown in FIG. Figure 2 .

[0027] In the figure: 1. Crossbeam assembly 1; 2. Crossbeam assembly 2; 3. Crossbeam assembly 3; 4. Crossbeam assembly 4; 5. Crossbeam; 6. Connecting plate; 7. Inclined surface 1; 8. Inclined surface 2; 9. Concave arc 1; 10. Concave arc 2. DETAILED DESCRIPTION

[0028] The utility model is described in detail below in conjunction with the accompanying drawings and embodiments.

[0029] like Figure 1-Figure 15 As shown, the utility model provides a single-layer locally reinforced frame, including a left longitudinal beam of the frame, a right longitudinal beam of the frame, a crossbeam assembly 1, a crossbeam assembly 2, a crossbeam assembly 3, a crossbeam assembly 4, a crossbeam 5 and a connecting plate 6, wherein the connecting plate 6 is connected to the longitudinal beam of the frame through a row of standard holes in the lower row of the frame; the crossbeam assembly 1, the crossbeam assembly 2, the crossbeam assembly 3, the crossbeam assembly 4 and the crossbeam 5 are arranged between the left longitudinal beam of the frame and the right longitudinal beam of the frame, the crossbeam assembly 1 is a front crossbeam assembly, and its cross section is a square shape, and is located at the end of the frame assembly. Front end; crossbeam assembly 2 is provided at four places, and its cross section is groove-shaped, distributed between the center plane of the front axle and the center plane of the rear axle. The first crossbeam assembly 2 is moved backward relative to the center line of the first axis, providing space for the gearbox retarder, so that the frame assembly can be used for both liquid retarder models and non-liquid retarder models, thereby improving the utilization rate of the frame assembly; crossbeam assembly three 3 and crossbeam assembly four 4 are respectively the front leaf spring seat crossbeam and the rear leaf spring seat crossbeam, which are composed of two groove-shaped crossbeams combined by a crossbeam connecting plate; crossbeam 5 is a lightweight rear crossbeam, provided at two places, and arranged at the end of the frame.

[0030] The connecting plate 6 is L-shaped. In order to avoid stress concentration of the frame at both ends of the connecting plate 6 and to avoid interference between the connecting plate 6 and the powertrain suspension, the front end of the connecting plate 6 is cut with a bevel 7 and a bevel 8; in order to avoid interference between the connecting plate 6 and the rear leaf spring support of the front suspension and the cab suspension height valve adjustment hole, the connecting plate 6 is cut with a concave arc 9 and a concave arc 10 at the contact point with the rear leaf spring support of the front suspension and the cab suspension height valve adjustment hole; the connecting plate 6 takes the rear end of the engine rear suspension as the starting point and ends at the front end of the crossbeam assembly 3; the connecting plate 6 locally strengthens the frame while ensuring uniform stress distribution under bending and torsion conditions and does not interfere with other components, thereby reducing the weight of the frame assembly, increasing the frame strength, and realizing adaptive installation of multiple assemblies, thereby improving the stability and reliability of the entire vehicle.

[0031] The cross-beam assembly 1 has a U-shaped cross section and is connected to the longitudinal beams of the frame via connecting plates 6 on both sides, and each connecting plate 6 is provided with seven holes therein.

[0032] The cross-beam section of the cross-beam assembly 2 is groove-shaped and is connected to the longitudinal beam of the frame through connecting plates 6 on both sides, and each connecting plate 6 is provided with twelve holes therein.

[0033] The crossbeam assembly three 3 and the crossbeam assembly four 4 are composed of two groove-shaped crossbeams combined through a crossbeam connecting plate.

[0034] The front width of the frame is 965 mm and the rear width is 850 mm. Compared with frames of the same category, the versatility of the frame assembly is improved, and the same frame assembly can be used for multiple vehicles.

[0035] The utility model also provides a vehicle, on which the above-mentioned single-layer locally reinforced frame is provided, which can reduce the weight of the vehicle and ensure driving safety while ensuring the strength of the frame.

[0036] The utility model is a single-layer partially reinforced frame, which achieves lightweight of the frame while stabilizing and ensuring the strength and rigidity of the frame; the mass of a single frame assembly with a wheelbase of 7.1m of the utility model is 733kg, which is 36kg lighter than the double-layer frame assembly product of the same category with a wheelbase of 7.1m, realizing lightweight design of the frame assembly, and solving the problem of the existing double-layer frame structure, which has a large mass of the frame assembly and thus leads to a large mass of the whole vehicle; under the conditions of a cab weight of 850kg, a powertrain weight of 850kg, a fuel tank of 560kg and a superstructure of 9.4t, the stress distribution of the bending and torsion working conditions is uniform and does not exceed the yield strength of the material; the price of the single-layer partially reinforced frame is lower than that of the same type of products.

[0037] The above embodiments of the present invention are merely illustrative and not exclusive, and all modifications within the scope of the present invention or equivalent to the scope of the present invention are encompassed by the present invention.

Claims

1. A single-layer locally reinforced frame, characterized in that: The invention comprises a left longitudinal beam of a frame, a right longitudinal beam of a frame, a first crossbeam assembly (1), a second crossbeam assembly (2), a third crossbeam assembly (3), a fourth crossbeam assembly (4), a crossbeam (5) and a connecting plate (6), wherein the connecting plate (6) is connected to the longitudinal beam of the frame through a row of standard holes in the lower row of the frame; the first crossbeam assembly (1), the second crossbeam assembly (2), the third crossbeam assembly (3), the fourth crossbeam assembly (4) and the crossbeam (5) are arranged between the left longitudinal beam of the frame and the right longitudinal beam of the frame, The first crossbeam assembly (1) is a front crossbeam assembly, which is located at the front end of the frame assembly; the second crossbeam assembly (2) is provided at four locations, which are distributed between the center plane of the front axle and the center plane of the rear axle. The first crossbeam assembly (2) is moved backward relative to the center line of the first axle to provide space for the gearbox retarder; the third crossbeam assembly (3) and the fourth crossbeam assembly (4) are the front leaf spring seat crossbeam and the rear leaf spring seat crossbeam respectively; the crossbeam (5) is a lightweight rear crossbeam, which is provided at two locations and is arranged at the end of the frame.

2. The single-layer locally reinforced frame according to claim 1, characterized in that: The connecting plate (6) is L-shaped, with a first bevel (7) and a second bevel (8) cut at its front end, and a first concave arc (9) and a second concave arc (10) cut at the contact point with the rear leaf spring support of the front suspension and the adjusting hole of the cab suspension height valve; the connecting plate (6) has the rear end of the engine rear suspension as the starting point and the end point at the front end of the third crossbeam assembly (3).

3. The single-layer locally reinforced frame according to claim 1, characterized in that: The cross-beam assembly (1) has a U-shaped cross section and is connected to the longitudinal beam of the vehicle frame via connecting plates (6) on both sides, and each connecting plate (6) has seven holes.

4. The single-layer locally reinforced frame according to claim 1, characterized in that: The cross beam section of the second cross beam assembly (2) is groove-shaped and is connected to the longitudinal beam of the frame through connecting plates (6) on both sides, and each connecting plate (6) has twelve holes.

5. The single-layer locally reinforced vehicle frame according to claim 1, characterized in that: The crossbeam assembly three (3) and the crossbeam assembly four (4) are composed of two groove-shaped crossbeams combined through a crossbeam connecting plate.

6. The single-layer locally reinforced vehicle frame according to any one of claims 1 to 5, characterized in that: The front width of the frame is 965 mm, and the rear width is 850 mm.

7. A vehicle, characterized in that: The vehicle is provided with a single-layer locally reinforced frame as described in any one of claims 1-6.

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