Overload vehicle battery pack suspension system

By combining the design of load-bearing plates, load-bearing pins, suspension mechanisms, and side stop mechanisms, the complexity and stability issues of battery pack suspension in heavy-duty vehicles are solved, achieving stable load-bearing and shock absorption of the battery pack, and improving service life and safety.

CN224145747UActive Publication Date: 2026-04-21SHANGHAI ZHENHUA HEAVY IND
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI ZHENHUA HEAVY IND
Filing Date
2025-05-22
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Existing battery pack suspension methods in heavy-duty vehicles are structurally complex, difficult to install, have high maintenance costs, and cannot meet the requirements for stability and safety.

Method used

The design employs a combination of load-bearing plates, load-bearing pins, suspension mechanisms, and side stop mechanisms, along with high-strength materials and shock absorbers, to achieve stable load-bearing and shock absorption functions for the battery pack.

Benefits of technology

It improves the lifespan and safety of the battery pack, reduces maintenance costs, has excellent shock absorption performance and high versatility, and ensures the stability and safety of the battery pack during driving.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224145747U_ABST
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Abstract

The utility model discloses a suspension system for a battery pack of a heavy-duty vehicle. The suspension system comprises a bearing plate, a bearing pin, a suspension mechanism and a side stop mechanism, the bearing plate is connected with a hanging plate of the battery pack through a bearing pin; hanging holes connected with the hanging mechanism are formed in the two sides of the bearing plate, and a pin shaft hole connected with the bearing pin is formed in the side face of the middle of the bearing plate. The suspension mechanism is connected with a heavy-load vehicle frame and the bearing plate through suspension holes in the two sides of the bearing plate, and a shock absorber is arranged on the suspension mechanism. The side stop mechanisms are arranged on the two sides of the battery pack respectively and used for limiting the battery pack to move in the horizontal direction; the battery pack is installed on a heavy-load vehicle frame through a plurality of battery pack suspension systems. According to the utility model, stable bearing and effective damping of the battery pack can be realized, the service life of the battery pack is prolonged, and the safety of the battery pack is improved.
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Description

Technical Field

[0001] This utility model relates to the field of vehicle battery pack suspension technology, and more specifically, to a heavy-duty vehicle battery pack suspension system. Background Technology

[0002] With the popularization of new energy vehicles, the battery pack, as its core component, provides driving power for the whole vehicle, and its safety and stability are of paramount importance; especially in heavy-duty vehicles, the battery pack is heavy and large in size, which places higher demands on the suspension system.

[0003] Existing battery pack suspension methods often suffer from problems such as complex structure, difficult installation, and high maintenance costs, making it difficult to meet the actual needs of heavy-duty vehicles. Utility Model Content

[0004] In view of the deficiencies in the existing technology, the purpose of this utility model is to provide a battery pack suspension system for heavy-duty vehicles, which can achieve stable load-bearing and effective shock absorption of the battery pack, thereby improving the service life and safety of the battery pack.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] This utility model provides a battery pack suspension system for heavy-duty vehicles, including a load-bearing plate, a load-bearing pin, a suspension mechanism, and a side stop mechanism;

[0007] The load-bearing plate is connected to the hanging plate of the battery pack by a load-bearing pin; the load-bearing plate has hanging holes on both sides that are connected to the suspension mechanism, and a pin hole in the middle of the load-bearing plate is connected to the load-bearing pin.

[0008] The suspension mechanism connects the heavy-duty vehicle frame to the load-bearing plate through suspension holes on both sides of the load-bearing plate, and the suspension mechanism is equipped with shock absorbers.

[0009] The side stop mechanisms are located on both sides of the battery pack to restrict the horizontal movement of the battery pack.

[0010] The battery pack is mounted on the chassis of the heavy-duty vehicle via a multi-battery pack suspension system.

[0011] Preferably, the suspension mechanism includes an L-shaped bent plate disposed on the frame of the heavy-duty vehicle and fasteners for connecting the load-bearing plate and the L-shaped bent plate.

[0012] The shock absorber is provided between the L-shaped bent plate and the load-bearing plate.

[0013] Preferably, the shock absorber is a spring shock absorber, a hydraulic shock absorber, or a pneumatic shock absorber.

[0014] Preferably, the load-bearing plate is made of a high-strength, corrosion-resistant material, and the load-bearing pin is made of a high-strength material.

[0015] Preferably, the side stop mechanism includes a stop bracket disposed on the vehicle frame and a stop pin disposed on the stop bracket.

[0016] The beneficial effects of this utility model are as follows:

[0017] 1. The heavy-duty vehicle battery pack suspension system of this utility model has excellent shock absorption performance, which can effectively protect the battery pack from damage caused by vibration and impact, and extend the service life of the battery pack.

[0018] 2. The suspension mechanism of this utility model is reasonably designed, simple in structure and easy to maintain, which reduces the cost of use; through the shock absorption function of the suspension mechanism, it effectively absorbs and disperses shocks, ensuring the stability and safety of the battery pack.

[0019] 3. The heavy-duty vehicle battery pack suspension system of this utility model is applicable to various types of vehicles and equipment, and has high versatility and applicability;

[0020] 4. The load-bearing plate of this utility model is made of high-strength corrosion-resistant material, and has sufficient load-bearing capacity and service life;

[0021] 5. The bearing pin of this utility model is made of high-strength material and has sufficient shear strength and tensile strength, which ensures a stable connection between the load-bearing plate and the suspension mechanism and prevents the battery pack from shaking or falling off during driving. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the installation of the heavy-duty vehicle battery pack suspension system of this utility model;

[0023] Figure 2 for Figure 1 Top view;

[0024] Figure 3 for Figure 1 Diagram of the AA direction;

[0025] Figure 4 for Figure 1 Diagram at point C;

[0026] In the diagram, 100 is the suspension system; 110 is the load-bearing plate; 120 is the load-bearing pin; 130 is the suspension mechanism; 131 is the L-shaped bending plate; 132 is the fastener; 133 is the shock absorber; 140 is the side stop mechanism; 141 is the stop bracket; 142 is the stop pin; 200 is the frame; 300 is the battery pack; 301 is the hanging plate; and 400 is the ground. Detailed Implementation

[0027] To better understand the above-mentioned technical solution of this utility model, the technical solution of this utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0028] The present invention aims to provide a heavy-duty vehicle battery pack suspension system with shock absorption function. By optimizing the design of the suspension mechanism, the system achieves stable load-bearing and effective shock absorption of the battery pack, thereby improving the service life and safety of the battery pack.

[0029] Combination Figure 1 , Figure 2 As shown, the heavy-duty vehicle battery pack suspension system 100 of this utility model includes a load-bearing plate 110, a load-bearing pin 120, a suspension mechanism 130, and a side stop mechanism 140.

[0030] Combination Figure 1 , Figure 3 As shown, the load-bearing plate 110 is connected to the hanging plate 301 of the battery pack 300 via a load-bearing pin 120. The load-bearing plate 110 has hanging holes on both sides for connection to the suspension mechanism 130, and a pin hole in the middle side for connection to the load-bearing pin 120. The load-bearing plate 110 supports the weight of the battery pack 300 and distributes its weight evenly onto the suspension mechanism 130. The load-bearing plate 110 is made of high-strength, corrosion-resistant material to ensure sufficient load-bearing capacity and service life.

[0031] Combination Figure 1 , Figure 3 As shown, the suspension mechanism 130 connects the heavy-duty vehicle frame 200 and the load-bearing plate 110 through the suspension holes on both sides of the load-bearing plate 110, and plays a supporting and shock-absorbing role. The suspension mechanism 130 adopts advanced shock absorption technology and is equipped with shock absorbers 133, such as spring shock absorbers 133, hydraulic shock absorbers 133, or air shock absorbers 133, which can effectively absorb and disperse vibrations and impacts during driving and protect the battery pack from damage.

[0032] Combination Figure 3 As shown, the support pin 120, as a key component connecting the battery pack 300 and the load-bearing plate 110, is made of high-strength material and has sufficient shear and tensile strength. The design of the support pin 120 ensures a stable connection between the load-bearing plate 110 and the battery pack 300, preventing the battery pack from shaking or falling off during operation.

[0033] Combination Figure 2 As shown, the battery pack 300 is mounted on the heavy-duty vehicle frame 200 via multiple battery pack suspension systems 100, for example, four battery pack suspension systems 100 are arranged on both sides of the frame 200.

[0034] Combination Figure 3As shown, the suspension mechanism 130 includes an L-shaped bent plate 131 mounted on the heavy-duty vehicle frame 200 and fasteners 132 for connecting the load-bearing plate 110 and the L-shaped bent plate 131. A shock absorber 133 is provided between the L-shaped bent plate 131 and the load-bearing plate 110.

[0035] Combination Figure 4 As shown, the side stop mechanisms 140 are distributed on both sides of the battery pack 300 to restrict the horizontal movement of the battery pack 300. The side stop mechanism 140 includes a stop bracket 141 mounted on the frame 200 and a stop pin 142 mounted on the stop bracket 141. The stop pin 142 has an adjustment function, which is achieved through the thread on the stop bracket 141 and the mounting nut.

[0036] In summary, in the specific implementation of the heavy-duty vehicle battery pack suspension system of the present invention, the battery pack is connected to the load-bearing plate via a load-bearing pin, and is connected to the suspension mechanism via the load-bearing plate; the suspension mechanism, through its shock absorption function, effectively absorbs and disperses vibrations and impacts during driving, ensuring the stability and safety of the battery pack. Furthermore, by adjusting the position and angle of the side stop mechanism, the horizontal movement of the battery pack is limited.

[0037] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present utility model and are not intended to limit the present utility model. Any changes or modifications to the above embodiments within the scope of the essential spirit of the present utility model will fall within the scope of the claims of the present utility model.

Claims

1. A heavy duty vehicle battery pack suspension system, characterized by, This includes the load-bearing plate, load-bearing pin, suspension mechanism, and side stop mechanism; The load-bearing plate is connected to the hanging plate of the battery pack by a load-bearing pin; the load-bearing plate has hanging holes on both sides that are connected to the suspension mechanism, and a pin hole in the middle of the load-bearing plate is connected to the load-bearing pin. The suspension mechanism connects the heavy-duty vehicle frame to the load-bearing plate through suspension holes on both sides of the load-bearing plate, and the suspension mechanism is equipped with shock absorbers. The side stop mechanisms are located on both sides of the battery pack to restrict the horizontal movement of the battery pack. The battery pack is mounted on the chassis of the heavy-duty vehicle via a multi-battery pack suspension system.

2. The heavy duty vehicle battery pack suspension system of claim 1, wherein: The suspension mechanism includes an L-shaped bent plate disposed on the frame of the heavy-duty vehicle and fasteners for connecting the load-bearing plate and the L-shaped bent plate. The shock absorber is provided between the L-shaped bent plate and the load-bearing plate.

3. The heavy duty vehicle battery pack suspension system of claim 1, wherein: The shock absorber is selected from spring shock absorbers, hydraulic shock absorbers, or pneumatic shock absorbers.

4. The heavy duty vehicle battery pack suspension system of claim 1, wherein: The load-bearing plate is made of high-strength and corrosion-resistant material, and the load-bearing pin is made of high-strength material.

5. The heavy duty vehicle battery pack suspension system of claim 1, wherein: The side stop mechanism includes a stop bracket mounted on the vehicle frame and a stop pin mounted on the stop bracket.