CN211441937U - Vibration reduction structure of heavy truck battery replacing box - Google Patents

Abstract

The utility model relates to the technical field of new energy vehicles, in particular to a vibration-damping structure for a battery box for replacing a heavy-duty truck, comprising a vehicle-mounted bottom bracket frame mounted on the heavy-duty truck and a battery box frame mounted on the battery box, wherein, A buffer pad is laid on the upper surface of the vehicle-mounted bottom bracket frame, and the buffer pad is located at the position of the horizontal contact surface between the vehicle-mounted bottom bracket frame and the battery box frame; the vehicle-mounted bottom bracket frame is provided with a lateral support, and the lateral support is close to the battery box frame. The side of one side is provided with an elastic body with a certain elasticity, and the elastic body is located at the vertical contact surface position between the lateral support and the battery box frame. By arranging a buffer pad and an elastic body between the vehicle end bottom bracket and the battery box, the utility model can well reduce the impact of the heavy truck on the battery box during driving, and has the effect of damping the battery box.

Description

A kind of vibration reduction structure of heavy truck battery box

technical field

The utility model relates to the technical field of new energy vehicles, in particular to a vibration reduction structure of a battery box for replacing a heavy truck.

Background technique

In recent years, new energy vehicles that rely on power batteries as driving energy have a very rapid development momentum because they have no harmful gas emissions and low noise during driving, which greatly promotes environmental protection and conforms to the national sustainable development strategy. In the field of heavy-duty trucks, due to its large power consumption and long battery charging time, the economy and popularization of heavy-duty trucks are seriously restricted. Taking into account the reliability, convenience and economy of the power exchange scheme, the current heavy-duty truck power exchange mode is mainly based on the top-mounted power exchange. In the case of heavy truck acceleration and deceleration, turning and battery box replacement, the impact on the battery box, the vibration reduction measures of the battery box are indispensable.

Utility model content

In view of the defects in the prior art, the purpose of this utility model is to provide a vibration reduction structure of a battery box for battery replacement of a heavy truck, which can well solve the problem of vibration reduction of the battery box for battery replacement on a heavy truck.

To achieve the above object, the utility model adopts the following technical solutions:

A vibration-damping structure for a battery box for replacing a heavy-duty truck, which is used for vibration-damping the connection between a heavy-duty truck and its battery box, comprising a vehicle-mounted bottom bracket frame mounted on the heavy-duty truck and a battery box mounted on the battery box frame;

A buffer pad is laid on the upper surface of the vehicle-mounted bottom bracket frame, and the buffer pad is located at the position of the horizontal contact surface between the vehicle-mounted bottom bracket frame and the battery box frame;

The vehicle-mounted bottom bracket frame is provided with a lateral support, the side of the lateral support close to the side of the battery box frame is provided with an elastic body with elasticity, and the elastic body is located between the vehicle-mounted bottom bracket frame and the The vertical contact surface position between the battery box frames.

Preferably, the main body of the vehicle bottom bracket frame is a rectangular frame body, the lateral struts are symmetrically arranged along the inner side of the rectangular frame body, and the elastic bodies are arranged on the outer surfaces of the lateral struts.

Preferably, the main body of the battery box frame is a cuboid frame body, the bottom surface of the bottom support of the cuboid frame body is in contact with the buffer pad, and the inner surface of the bottom support is in contact with the elastic body.

Preferably, the buffer pad is provided in a continuous whole, or the buffer pad is provided in sections, and each section is evenly distributed between the vehicle bottom bracket frame and the battery box frame.

Preferably, the height of the buffer pad is higher than the surface of the vehicle bottom bracket frame.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model can reduce heavy trucks very well by arranging lateral struts, arranging a buffer pad between the vehicle end bottom bracket and the battery box, and arranging an elastic body on the side of the lateral strut close to the battery box frame. The impact on the battery box during driving can reduce the vibration of the battery box.

Description of drawings

Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

1 is a frame diagram of a vehicle-mounted bottom bracket in a preferred embodiment of the present utility model;

2 is a schematic diagram of the cooperation between the vehicle-mounted bottom bracket frame and the battery box frame in a preferred embodiment of the present invention;

3 is an assembly diagram of a vehicle-mounted bottom bracket frame and a battery box frame in a preferred embodiment of the present invention;

Markers 1-5 in the figure are respectively indicated as: vehicle bottom bracket frame 1 , lateral support 2 , buffer pad 3 , elastic body 4 , and battery box frame 5 .

Detailed ways

The present utility model will be described in detail below with reference to specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that, for those skilled in the art, some modifications and improvements can be made without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

As shown in Figures 1, 2, and 3, it is a schematic diagram of an embodiment of the vibration reduction structure of the battery box for heavy truck battery replacement of the present invention, including a vehicle-mounted bottom bracket frame 1 and a battery box frame 5, wherein the battery box frame 5 is installed on the On the battery box, the battery box is used as the driving energy of the heavy truck; the vehicle bottom bracket frame 1 can be installed on the chassis frame of the heavy truck to be connected and fixed with the battery box frame 5, thereby completing the installation of the battery box and the heavy truck. A detachable connection can be used between the vehicle bottom bracket frame and the battery box frame.

As shown in FIG. 1 , the main body of the vehicle-mounted bottom bracket frame 1 is a rectangular frame body, and the inner sides thereof are respectively welded with lateral struts 2 , and the lateral struts 2 are arranged symmetrically. The height of each lateral strut 2 is slightly higher than the height of the bottom support of the rectangular frame body, and an elastic body 4 with certain elasticity is provided on the outer surface of each lateral strut 2 higher than the bottom support. 4 has inward elastic compressive deformation. A buffer pad 3 is also laid on the surface of the vehicle-mounted bottom bracket frame 1 , and the buffer pad 3 is fully laid out around the perimeter direction of the rectangular frame body. In some embodiments, the buffer pad 3 can be made of flexible material.

As shown in FIG. 2 , in one embodiment, the main body of the battery box frame 4 is a rectangular parallelepiped frame body, the shape and size of the rectangular parallelepiped frame body are matched to the shape and size of the battery box, and its internal space is the size of the battery box. installation space. That is to say, the structure of the battery box frame 4 can be adjusted according to the shape and size of the outer contour of the battery box, that is, it is not limited to the rectangular parallelepiped frame body provided in this embodiment.

As shown in FIGS. 1 , 2 and 3 , when the battery box frame 4 is mounted above the vehicle bottom bracket frame 1 by hoisting, the buffer pad 3 is on the upper surface of the vehicle bottom bracket frame 1 and the bottom of the battery box frame 4 is supported. Between the bottom surfaces, that is, the position of the horizontal contact surface between the vehicle-mounted bottom bracket frame 1 and the battery box frame 4, the presence of the buffer pad 3 can absorb part of the vertical direction of the vehicle-mounted bottom bracket frame 1 to the battery box frame 5 when the heavy truck is running, That is, the impact force in the Z direction shown in FIG. 3, so as to realize the vibration reduction in the vertical direction. At the same time, the elastic body 4 arranged on the lateral strut 2 is just between the outer side of the lateral strut 2 and the inner side of the bottom support of the battery box frame 4 , that is, the vertical direction of the lateral strut 2 and the battery box frame 4 At the contact surface position, the existence of the elastic body 4 can absorb part of the impact force of the vehicle bottom bracket frame 1 on the battery box frame 5 in the horizontal direction, that is, the X direction and the Y direction shown in FIG. .

The above embodiment of the present invention ensures the safety of the battery box by arranging the buffer pad 3 and the elastic body 4 to absorb the impact force of the vehicle-mounted bottom bracket frame 1 on the battery box frame 5 when the heavy truck is running.

In some preferred embodiments, the elastomer 4 may be an elastomer made of rubber, such as thermoplastic elastomer TPE/TPR, etc., or may be made of other materials with certain elasticity.

In some preferred embodiments, the buffer pad 3 can be made of a flexible material, and the buffer pad 3 is arranged as a continuous whole in FIG. 1 . Of course, in other embodiments, according to the size of the battery box, the same can be used Material, uniform, segmented settings, also provide vibration damping. Of course, the height of the cushion pad 3 is slightly higher than the surface of the vehicle bottom bracket frame 1 .

The features of the above-mentioned preferred embodiments may be used independently in any embodiment, or may be used in any combination in the same embodiment on the premise that they do not conflict with each other.

In the drawings of the above-mentioned embodiments, the same reference numerals represent the same components or components with equivalent functions, and “upper”, “lower”, “front”, “rear”, “left”, “rear”, “left” and “left” are used in the description "Right" and similar terms are only used relative to the figures for the convenience of describing the present invention.

All the drawings of the above-mentioned embodiments are only for the convenience of explaining the technical content of the present utility model; the technical features such as the numbers, the positions of the parts, the interrelationships between the parts, and the dimensions of the parts used to form the best embodiment are not the same. It constitutes a limitation on the technical solution itself, but should extend to the entire field covered by the technical field.

The specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the above-mentioned specific embodiments, and those skilled in the art can make various deformations or modifications within the scope of the claims, which do not affect the essential content of the present invention.

Claims (8)

1. The utility model provides a heavily block and trade damping structure of battery box for the damping of being connected between heavy truck and its battery box, its characterized in that: including installing on-vehicle collet frame on the heavy truck and installing battery box frame on the battery box, wherein:

a buffer cushion is laid on the upper surface of the vehicle-mounted base frame and is positioned on a horizontal contact surface between the vehicle-mounted base frame and the battery box frame;

the vehicle-mounted battery box comprises a vehicle-mounted bottom support frame, and is characterized in that a lateral strut is arranged on the vehicle-mounted bottom support frame, an elastic body is arranged on the side face, close to one side of the battery box frame, of the lateral strut, and the elastic body is located at the position of a vertical contact face between the lateral strut and the battery box frame.

2. The vibration reduction structure of the battery box for heavy truck replacement according to claim 1, characterized in that: the main body of the vehicle-mounted bottom support frame is a rectangular frame body, the lateral support columns are symmetrically arranged on the inner sides of the rectangular frame body respectively, and the elastic bodies are arranged on the outer side surfaces of the lateral support columns.

3. The vibration reduction structure of the battery box for heavy truck replacement according to claim 1, characterized in that: the main part of battery box frame is a cuboid frame body, the bottom surface of the bottom sprag of cuboid frame body with the blotter contacts, the inboard surface of bottom sprag with the elastomer contacts.

4. The vibration reduction structure of the battery box for heavy truck replacement according to claim 1, characterized in that: the vehicle-mounted bottom support frame and the battery box frame are detachably connected.

5. The vibration damping structure for the heavy truck battery replacement box according to any one of claims 1 to 4, wherein: the elastomer is made of rubber.

6. The vibration damping structure for the heavy truck battery replacement box according to any one of claims 1 to 4, wherein: the buffer pad is made of flexible materials.

7. The vibration damping structure for the heavy truck battery replacement box according to any one of claims 1 to 4, wherein: the buffer pads are arranged in a continuous and integral mode, or the buffer pads are arranged in a sectional mode, and all the sections are uniformly distributed between the vehicle-mounted bottom support frame and the battery box frame.

8. The vibration reduction structure of the heavy truck battery replacement box according to claim 7, characterized in that: the height of the cushion pad is higher than the surface of the vehicle-mounted shoe frame.

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