Lightweight automobile girder for new energy commercial vehicle

Abstract

The utility model relates to the technical field of automobile manufacturing, and discloses a new energy commercial vehicle light-weight automobile beam which comprises a main beam and a connecting beam, the main beam and the connecting beam are both arranged in an I shape, a plurality of supporting blocks are arranged on the main beam, reinforcing steel plates are arranged on the top side and the bottom side of the main beam, and the reinforcing steel plates are arranged on the connecting beam. Reinforcing layers are arranged on the sides, close to each other, of the two reinforcing steel plates, the reinforcing layers are fixedly pasted between the main beam and the reinforcing steel plates, a plurality of first rivets are arranged on the connecting beam, the connecting beam is connected with the main beam, the reinforcing steel plates and the reinforcing layers through the first rivets, and the reinforcing steel plates are made of low-alloy high-strength steel. A plurality of through holes I and a plurality of through holes II are respectively formed in the main beam and the connecting beam. The utility model has the following advantages and effects: on the premise of ensuring the carrying capacity and driving safety of the vehicle, the self weight of the vehicle is effectively reduced, and high strength and good carrying capacity are maintained while the light weight is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile manufacturing, especially relates to a new energy commercial vehicle light weight automobile girder. BACKGROUND

[0002] With the global attention to environmental protection and energy sustainability development, the new energy commercial vehicle market has developed rapidly, in the design and manufacture of new energy commercial vehicles, the automobile girder as the key component of bearing the weight of the vehicle body and the load of goods, its performance and weight have a crucial influence on the endurance mileage, load capacity and operating cost of the whole vehicle.

[0003] Although the traditional steel automobile girder has high strength and good reliability, but due to the large density of steel, the overall weight of the girder is heavy, which for new energy commercial vehicles, the heavy girder will significantly increase the self weight of the vehicle, and then reduce the endurance mileage of the vehicle, limit its competitiveness in the transportation field, at the same time, the heavy girder also affects the load capacity of the vehicle to a certain extent, and cannot fully exert the potential of new energy commercial vehicles in goods transportation.

[0004] In addition, in the long-term use process, the steel girder faces the problem of corrosion, which needs to be regularly maintained, increases the maintenance cost and the downtime of the vehicle, and moreover, with the increasing diversification and complexity of the use scene of commercial vehicles, higher requirements are put forward for the torsion resistance and bending resistance of the girder, and the traditional steel girder gradually cannot meet these new demands in structure design and material performance.

[0005] In order to solve the above problems, the utility model provides a new energy commercial vehicle light weight automobile girder.

[0006] The information disclosed in the background section of this document is only intended to increase the understanding of the general background of the present utility model, and should not be considered as recognizing or in any form implying that this information constitutes prior art known to those skilled in the art. UTILITY MODEL CONTENT

[0007] The utility model aims at providing a new energy commercial vehicle light weight automobile girder, which effectively reduces the self weight of the vehicle under the premise of guaranteeing the carrying capacity and driving safety of the vehicle, realizes the light weight while maintaining the high strength and good carrying capacity.

[0008] The above technical purpose of the utility model is realized through the following technical scheme: a new energy commercial vehicle lightweight automobile girder, including main beam and connecting beam, the main beam and connecting beam are all set as I-shaped, a plurality of support blocks are arranged on the main beam, the top side and the bottom side of the main beam are all provided with reinforced steel sheets, the side of the two reinforced steel sheets close to each other is all provided with a reinforcing layer, and the reinforcing layer is fixedly attached between the main beam and the reinforced steel sheet, a plurality of rivets one are arranged on the connecting beam, and the connecting beam is connected with the main beam, the reinforced steel sheet and the reinforcing layer through the plurality of rivets one, the reinforced steel sheet is made of low alloy high strength steel, a plurality of through holes one and a plurality of through holes two are respectively formed in the main beam and the connecting beam, a plurality of rivets two are arranged on the reinforced steel sheet, and the reinforced steel sheet is connected with the main beam through the plurality of rivets two, a plurality of rivets three are arranged on the reinforcing layer, and the reinforcing layer is connected with the reinforced steel sheet and the main beam through the plurality of rivets three.

[0009] The utility model further provides that: the material of the reinforcing layer is a fiber reinforced composite material plate.

[0010] Through the above technical scheme, the load-carrying capacity of the main beam can be improved through common stress with the main beam, and the main beam has good fatigue resistance and can maintain good performance under repeated load.

[0011] The utility model further provides that: a plurality of grooves are formed in the connecting beam, and the plurality of grooves and the plurality of through holes two are arranged in a staggered manner.

[0012] Through the above technical scheme, the weight reduction effect of the connecting beam can be realized in cooperation with the plurality of through holes two.

[0013] The utility model further provides that: the material of the main beam and the connecting beam is high-strength aluminum alloy.

[0014] Through the above technical scheme, the main beam and the connecting beam have the characteristics of low density and high strength, and can greatly reduce the weight compared with the traditional steel girder, and have good corrosion resistance, thereby prolonging the service life of the main beam and the connecting beam.

[0015] The utility model further provides that: the top side and the bottom side of the plurality of support blocks close to the main beam are all provided with a reinforcing block, and the reinforcing block is connected with the main beam.

[0016] Through the above technical scheme, the connecting surface of the support block and the main beam can be improved, thereby effectively improving the overall performance of the main beam.

[0017] The utility model further provides that: the support block and the reinforcing block are integrally formed with the main beam.

[0018] Through the above technical scheme, the integrity between the main beam, the support block and the reinforcing block can be improved.

[0019] A further feature of this invention is that the support block has a through hole three.

[0020] By adopting the above technical solution, the overall weight of the support block can be reduced, thereby achieving the effect of lightweighting the automobile beam.

[0021] The beneficial effects of this utility model are:

[0022] By using high-strength aluminum alloy for the main beam and connecting beams, the overall weight of the vehicle beam can be greatly reduced, achieving lightweighting of the vehicle beam and thus improving the load-bearing capacity and driving range of new energy commercial vehicles.

[0023] By reinforcing the steel plates and adding reinforcing layers, the torsional and bending resistance of the main beam is improved, enhancing the structural strength of the vehicle beam and ensuring the safety and stability of the vehicle during operation. Furthermore, the excellent corrosion resistance of high-strength aluminum alloy extends the service life of the vehicle beam, reducing maintenance costs and replacement frequency. The integrated design of the main beam, support blocks, and reinforcing blocks enhances overall integrity and further improves torsional and bending resistance. Additionally, the inclusion of through holes one, two, three, and grooves effectively reduces the overall weight of the vehicle beam, achieving a further optimization and lightweighting effect. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a three-dimensional structural diagram of a lightweight automotive beam for a new energy commercial vehicle proposed in this utility model.

[0026] Figure 2 for Figure 1 A schematic diagram of a partial three-dimensional structure;

[0027] Figure 3 This is a structural diagram of the three parts of the present invention: the connecting beam, the groove, and the through hole.

[0028] Figure 4 This is a schematic diagram of the structure of the present invention, which consists of four parts: a strong steel plate, two rivets, a reinforcing layer, and rivets.

[0029] In the diagram, 1 is the main beam; 11 is the support block; 111 is the reinforcing block; 112 is the through hole two; 12 is the through hole one; 2 is the connecting beam; 201 is the through hole three; 202 is the groove; 21 is the rivet one; 3 is the reinforcing steel plate; 31 is the rivet two; 4 is the reinforcing layer; and 41 is the rivet three. Detailed Implementation

[0030] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0031] Reference Figures 1-4 A lightweight vehicle beam for new energy commercial vehicles includes a main beam 1 and a connecting beam 2. Both the main beam 1 and the connecting beam 2 are I-shaped. Both the main beam 1 and the connecting beam 2 are made of high-strength aluminum alloy. Due to the characteristics of low density and high strength, high-strength aluminum alloy can significantly reduce weight compared to traditional steel beams. At the same time, it has good corrosion resistance and can extend the service life of the main beam 1 and the connecting beam 2.

[0032] Multiple support blocks 11 are provided on the main beam 1. In addition, in order to improve the support effect of the support blocks 11 on the main beam 1, reinforcing blocks 111 are provided on the top and bottom sides of the multiple support blocks 11 near the main beam 1, and the reinforcing blocks 111 are connected to the main beam 1.

[0033] In order to improve the overall integrity between the main beam 1, the support block 11 and the reinforcing block 111, the support block 11 and the reinforcing block 111 are integrally formed with the main beam 1;

[0034] The top and bottom sides of the main beam 1 are equipped with reinforcing steel plates 3, which are made of low alloy high strength steel. The specific type of steel plate 3 is selected according to the actual required load-bearing weight, such as DL700 and DL610.

[0035] A reinforcing layer 4 is provided on the side of each of the two reinforcing steel plates 3 that are close to each other, and the reinforcing layer 4 is pasted and fixed between the main beam 1 and the reinforcing steel plate 3. The material of the reinforcing layer 4 is fiber reinforced composite material plate, which can improve the load-bearing capacity of the main beam 1 by sharing the load with the main beam 1, and has good fatigue resistance. It can maintain good performance under repeated loading.

[0036] The connecting beam 2 is provided with multiple rivets 21, and the connecting beam 2 is connected to the main beam 1, the reinforcing steel plate 3 and the reinforcing layer 4 through the multiple rivets 21, which can ensure the connection stability between the connecting beam 2 and the reinforcing steel plate 3 and the reinforcing layer 4.

[0037] The main beam 1 and the connecting beam 2 are provided with multiple through holes 12 and multiple through holes 112, which can reduce the weight of the main beam 1 and the connecting beam 2 to a certain extent.

[0038] Specifically, in order to ensure the connection stability between the reinforcing steel plate 3 and the main beam 1, so as to achieve a better effect of sharing the load with the main beam 1, multiple rivets 31 are provided on the reinforcing steel plate 3, and the reinforcing steel plate 3 is connected to the main beam 1 through multiple rivets 31.

[0039] Specifically, in order to ensure the connection stability between the reinforcing layer 4 and the main beam 1 and the reinforcing steel plate 3, and to ensure that the reinforcing layer 4 can be stably adhered between the main beam 1 and the reinforcing steel plate 3, a plurality of rivets 41 are provided on the reinforcing layer 4, and the reinforcing layer 4 is connected to the reinforcing steel plate 3 and the main beam 1 through the plurality of rivets 41.

[0040] Specifically, in order to further improve the weight reduction effect of the connecting beam 2, multiple grooves 202 are provided on the connecting beam 2, and the multiple grooves 202 and multiple through holes 112 are arranged alternately.

[0041] Specifically, in order to further reduce the overall weight of the car frame and achieve a better lightweight effect, the support block 11 has a through hole 201.

[0042] Working principle: The I-shaped structural design of the main beam 1 and the connecting beam 2 not only reduces the overall weight, but also improves the stability and torsional performance of the structure. The integrated molding design of the support block 11 and the reinforcing block 111 ensures a tight connection with the main beam 1, thereby improving the overall structural strength and durability.

[0043] The use of reinforced steel plate 3 and reinforcing layer 4 further enhances the load-bearing capacity of main beam 1. At the same time, the addition of fiber reinforced composite material plate provides excellent fatigue resistance to main beam 1, enabling it to maintain stable performance during long-term use. The use of rivets 1-21, rivets 2-31 and rivets 3-41 ensures a firm connection between various components. Furthermore, the design of through holes 1-12, 112 and 201 and groove 202 through a reasonable layout achieves further weight reduction without sacrificing the integrity and functionality of the structure.

[0044] The above provides a detailed description of a lightweight vehicle frame for new energy commercial vehicles provided by this utility model. Specific embodiments have been used to illustrate the principles and implementation methods of this utility model. The descriptions of these embodiments are merely for the purpose of helping to understand the method and core ideas of this utility model. It should be noted that those skilled in the art can make various improvements and modifications to this utility model without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A lightweight vehicle frame for new energy commercial vehicles, characterized in that, The main beam (1) and the connecting beam (2) are both I-shaped. The main beam (1) is provided with multiple support blocks (11). The top and bottom sides of the main beam (1) are provided with reinforcing steel plates (3). The two reinforcing steel plates (3) are provided with a reinforcing layer (4) on the side that is close to each other. The reinforcing layer (4) is pasted and fixed between the main beam (1) and the reinforcing steel plate (3). The connecting beam (2) is provided with multiple rivets (21). The connecting beam (2) is connected to the main beam (1), the reinforcing steel plate (3) and the reinforcing layer (4) through multiple rivets (21). The main beam (1) and the connecting beam (2) are respectively provided with multiple through holes (12) and multiple through holes (112).

2. The lightweight vehicle frame for new energy commercial vehicles according to claim 1, characterized in that: The reinforcing steel plate (3) is provided with a plurality of rivets (31), and the reinforcing steel plate (3) is connected to the main beam (1) by the plurality of rivets (31).

3. The lightweight vehicle frame for new energy commercial vehicles according to claim 1, characterized in that: The reinforcing layer (4) is provided with a plurality of rivets (41), and the reinforcing layer (4) is connected to the reinforcing steel plate (3) and the main beam (1) through the plurality of rivets (41).

4. The lightweight vehicle frame for new energy commercial vehicles according to claim 1, characterized in that: The reinforcing layer (4) is made of fiber-reinforced composite material.

5. A lightweight vehicle frame for new energy commercial vehicles according to claim 1, characterized in that: The connecting beam (2) has multiple grooves (202) and multiple through holes (112) are arranged alternately.

6. A lightweight vehicle frame for new energy commercial vehicles according to claim 1, characterized in that: The main beam (1) and the connecting beam (2) are both made of high-strength aluminum alloy.

7. A lightweight vehicle frame for new energy commercial vehicles according to claim 1, characterized in that: Multiple support blocks (11) are provided with reinforcing blocks (111) on their top and bottom sides near the main beam (1), and the reinforcing blocks (111) are connected to the main beam (1).

8. A lightweight vehicle frame for new energy commercial vehicles according to claim 7, characterized in that: The support block (11) and the reinforcing block (111) are integrally formed with the main beam (1).

9. A lightweight vehicle frame for new energy commercial vehicles according to claim 1, characterized in that: The support block (11) has a through hole three (201).

10. A lightweight vehicle frame for new energy commercial vehicles according to claim 1, characterized in that: The reinforcing steel plate (3) is made of low-alloy high-strength steel.

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