A pure electric trackless rubber-tyred vehicle special chassis with independent suspension

Abstract

The utility model relates to the field of trackless rubber -tyred vehicle chassis, concretely relates to a pure electric trackless rubber -tyred vehicle special chassis adopting independent suspension, including frame, front axle and rear axle, the front axle install in the front end of frame, connect the front wheel of left and right sides, the rear axle install in the rear end of frame, connect the rear wheel of left and right sides, the front end and rear end of frame all are provided with damping device, still be provided with front fixed seat and rear fixed seat on the frame, the front fixed seat and front axle between be provided with straight push link, rear fixed seat and rear axle also be provided with straight push link, still be provided with drive motor and battery on the frame, the battery provide electric quantity to drive motor, have solved the present stage industry most trackless rubber -tyred vehicle's special chassis and adopt the unpowered chassis of traditional civilian vehicle to adapt to the modification, the problem that comfort is poor, control and stability are insufficient, lightweight level is low and with electric trend does not match.

Description

Technical Field

[0001] This utility model relates to the field of trackless rubber-tired vehicle chassis, specifically to a dedicated chassis for pure electric trackless rubber-tired vehicles using independent suspension. Background Technology

[0002] As an important auxiliary transportation equipment in specific scenarios such as underground coal mines, the chassis performance of trackless rubber-tired vehicles is directly related to the overall transportation efficiency, safety and driving comfort of the vehicle. At present, the special chassis in this field generally suffer from the problem of outdated design.

[0003] Currently, the vast majority of dedicated chassis for trackless rubber-tired vehicles in the industry are adapted from traditional civilian vehicle chassis. This technical solution has many inherent drawbacks:

[0004] First, the comfort is poor. Existing modified chassis usually use leaf spring non-independent suspension (leaf spring suspension). This type of suspension has limited shock absorption performance and is not well adapted to the rough and uneven road conditions in the mine. The severe vibrations and impacts generated during driving are directly transmitted to the vehicle body and passengers, resulting in extremely poor comfort and making it very easy to cause driver fatigue.

[0005] Secondly, the vehicle suffers from insufficient handling and stability. The leaf spring suspension structure results in poor wheel contact with the ground, making it prone to wheel lift-off under complex road conditions, severely impacting handling stability and driving safety. Furthermore, the vehicle exhibits significant body roll during cornering, further deteriorating the handling experience.

[0006] Third, the level of lightweighting is low. The traditional steel leaf spring suspension and axle structure are too heavy, resulting in a high chassis curb weight. This not only increases inefficient energy consumption but also reduces the vehicle's payload space, affecting transportation efficiency.

[0007] Fourth, it is incompatible with the trend of electrification. This bulky chassis structure, based on the concept of traditional fuel vehicles, runs counter to the current development trend of electrification and lightweighting in the automotive industry. Its large weight places higher demands on the power of the drive motor, which is not conducive to optimizing the energy utilization efficiency and driving range of the entire vehicle.

[0008] Therefore, given the shortcomings of the existing technologies, there is an urgent need for a dedicated chassis that is specifically developed for the operating conditions of trackless rubber-tired vehicles, in order to fundamentally solve the problems of comfort, handling, and lightweighting, and to better adapt to pure electric drive systems. Utility Model Content

[0009] The purpose of this utility model is to provide a dedicated chassis for pure electric trackless rubber-tired vehicles with independent suspension to solve the problems of poor comfort, insufficient handling and stability, low lightweighting level, and mismatch with the electrification trend in the current industry, where most dedicated chassis for trackless rubber-tired vehicles are adapted from traditional civilian vehicle chassis.

[0010] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0011] A dedicated chassis for a pure electric trackless rubber-tired vehicle with independent suspension includes a frame, a front axle, and a rear axle. The front axle is mounted at the front end of the frame and connects to the left and right front wheels. The rear axle is mounted at the rear end of the frame and connects to the left and right rear wheels. Shock absorbers are provided at both the front and rear ends of the frame. The frame also has a front fixed seat and a rear fixed seat. A direct thrust rod is provided between the front fixed seat and the front axle, and a direct thrust rod is also provided between the rear fixed seat and the rear axle. The frame also has a drive motor and a battery, with the battery providing power to the drive motor.

[0012] Further specifying, the shock absorption device includes a coil spring and a shock absorber. Front supports are provided on both the left and right sides of the front end of the vehicle frame, and a coil spring is installed between the front support and the front axle. Rear supports are provided on both the left and right sides of the rear end of the vehicle frame, and a coil spring is also installed between the rear support and the rear axle. A front mounting lug is provided behind the front support, and a front axle lug is provided on the front axle corresponding to the mounting lug. A shock absorber is installed between the mounting bracket on the front support and the front axle lug. A rear mounting lug is provided in front of the rear support, and a rear axle lug is provided on the rear axle corresponding to the rear mounting lug. A shock absorber is installed between the rear mounting bracket and the rear axle lug.

[0013] Further specifying, it also includes stabilizer bars, comprising a front stabilizer bar and a rear stabilizer bar. The front stabilizer bar is located in front of the front axle, with one side mounted on the left side of the front axle and the other side mounted on the right side of the front axle. It also includes a front stabilizer arm, with one end located at the front end of the frame and the other end mounted on the front stabilizer bar. The rear stabilizer bar is located behind the rear axle, with one side mounted on the left side of the rear axle and the other side mounted on the right side of the rear axle. It also includes a rear stabilizer arm, with one end located at the rear end of the frame and the other end mounted on the rear stabilizer bar.

[0014] Further defined, the front mounting bracket is installed on the left and right sides of the front end of the vehicle frame, the rear mounting bracket is installed on the left and right sides of the rear end of the vehicle frame, both the front and rear mounting brackets are located on the front side of the front axle and the rear axle, the straight thrust rod includes a front straight thrust rod and a rear straight thrust rod, the front straight thrust rod is installed between the front mounting bracket and the front axle, and the rear straight thrust rod is installed between the rear mounting bracket and the rear axle.

[0015] Further specified, the front and rear ends of the vehicle frame are both frame structures, the front end of the vehicle frame is also provided with a front thrust rod mounting seat, the middle of the front axle is provided with a front axle thrust rod mounting seat, a V-shaped thrust rod is provided between the front thrust rod mounting seat and the front axle thrust rod mounting seat, the rear end of the vehicle frame is also provided with a rear thrust rod mounting seat, the middle of the rear axle is provided with a rear axle thrust rod mounting seat, a V-shaped thrust rod is also provided between the rear thrust rod mounting seat and the rear axle thrust rod mounting seat.

[0016] The advantages of this utility model over the current technology are as follows:

[0017] 1. Equipped with coil springs and shock absorbers, it can form an independent suspension system, effectively improving the comfort and handling of the vehicle during driving, reducing the weight of the suspension system, and improving the pure electric range.

[0018] 2. The addition of a straight thrust rod and front and rear thrust rods further enhances the stability of the frame and improves the shock absorption effect. Attached Figure Description

[0019] Figure 1 This is a three-dimensional illustration of the present invention. Figure 1 ;

[0020] Figure 2 This is a three-dimensional illustration of the present invention. Figure 2 .

[0021] The markings in the diagram correspond to: 1-frame, 2-front axle, 3-rear axle, 4-coil spring, 5-shock absorber, 6-front bracket, 7-rear bracket, 8-front mounting lug, 9-front axle lug, 10-rear mounting lug, 11-rear axle lug, 12-front mounting bracket, 13-rear mounting bracket, 14-front thrust rod, 15-rear thrust rod, 16-front thrust rod mounting bracket, 17-rear thrust rod mounting bracket, 18-front axle thrust rod mounting bracket, 19-V-type thrust rod, 21-drive motor, 22-battery, 23-front stabilizer bar, 24-rear stabilizer bar, 25-front stabilizer arm, 26-rear stabilizer arm. Detailed Implementation

[0022] To enable those skilled in the art to better understand the 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. Example

[0023] like Figure 1 and Figure 2 As shown, a dedicated chassis for a pure electric trackless rubber-tired vehicle with independent suspension includes a frame 1, a front axle 2, and a rear axle 3. The front axle 2 is mounted at the front end of the frame 1, connecting the left and right front wheels. The rear axle 3 is mounted at the rear end of the frame, connecting the left and right rear wheels. Shock-absorbing devices are provided at both the front and rear ends of the frame, including coil springs 4 and shock absorbers 5. Front brackets 6 are provided on both the left and right sides of the front end of the frame 1, with coil springs 4 installed between the front brackets and the front axle. Rear brackets 7 are provided on both the left and right sides of the rear end of the frame 1, with the rear brackets 7 and... A coil spring 4 is also installed between the rear axles. A front mounting lug 8 is installed behind the front bracket 6. A front axle lug 9 is installed on the front axle 2 at the position corresponding to the front mounting lug 8. A shock absorber 5 is installed between the front mounting lug 8 and the front axle lug 9. A rear mounting lug 10 is installed in front of the rear bracket 7. A rear axle lug 11 is installed on the rear axle 3 at the position corresponding to the rear mounting lug 10. A shock absorber 5 is installed between the rear mounting lug 10 and the rear axle lug 11. A front mounting bracket 12 and a rear mounting bracket 13 are also installed on the frame 1. The front mounting bracket 12 is installed on the frame 1. The front and rear mounting brackets 13 are installed on the left and right sides of the rear end of the frame 1. The front mounting brackets 12 and 13 are located on the front sides of the front axle 2 and the rear axle 3. The frame also includes a front thrust rod 14 and a rear thrust rod 15. The front thrust rod 14 is installed between the front mounting bracket 12 and the front axle 2, and the rear thrust rod 15 is installed between the rear mounting bracket 13 and the rear axle 3. The front and rear ends of the frame 1 are both frame structures. The front end of the frame 1 is also provided with a front thrust rod mounting bracket 16, and the rear end is provided with a rear thrust rod mounting bracket 17. A [missing information - likely a component or structure] is located in the middle of the front axle 2. A V-shaped thrust rod 19 is provided between the front axle thrust rod mounting bracket 18 and the front axle thrust rod mounting bracket 16. A rear axle thrust rod mounting bracket is provided in the middle of the rear axle 3. A V-shaped thrust rod 19 is also provided between the rear axle thrust rod mounting bracket and the rear axle thrust rod mounting bracket 17. A drive motor 21 is also provided in the middle of the frame 1. A battery 22 is also provided at the rear end of the frame 1. The battery 22 is located above the rear thrust rod mounting bracket 17. The battery 22 provides power to drive the drive motor 21. If the vehicle is a four-wheel drive vehicle, a transfer case is also required.

[0024] It also includes stabilizer bars, including a front stabilizer bar 23 and a rear stabilizer bar 24. The front stabilizer bar 23 is located in front of the front axle 2, with one side mounted on the left side of the front axle 2 and the other side mounted on the right side of the front axle 2. It also includes a front stabilizer arm 25, with one end of the front stabilizer arm 25 located at the front end of the frame 1 and the other end mounted on the front stabilizer bar 23. The rear stabilizer bar 24 is located behind the rear axle 3, with one side of the rear stabilizer bar 23 mounted on the left side of the rear axle 3 and the other side mounted on the right side of the rear axle 3. It also includes a rear stabilizer arm 26, with one end of the rear stabilizer arm 26 located at the rear end of the frame 1 and the other end mounted on the rear stabilizer bar 23.

[0025] The coil spring 4, shock absorber 5, straight thrust rod, and front and rear thrust rods are integrated with the frame to form a complete suspension system. This solves the problems of poor comfort, insufficient handling and stability, low lightweighting level, and mismatch with the electrification trend in the current industry, where most dedicated chassis for trackless rubber-tired vehicles are adapted from traditional civilian vehicle chassis.

[0026] In the description of this utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] The above provides a detailed description of the rotating chassis of a pure electric trackless rubber-tired vehicle with independent suspension provided by this utility model. The description of the specific embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the premise of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A chassis for a pure electric trackless rubber-tired vehicle with independent suspension, comprising a frame (1), a front axle (2), and a rear axle (3), wherein the front axle (2) is mounted on the front end of the frame (1) and connects the front wheels on the left and right sides, and the rear axle (3) is mounted on the rear end of the frame (1) and connects the rear wheels on the left and right sides, characterized in that: The front and rear ends of the frame (1) are equipped with shock absorption devices. The frame (1) is also equipped with a front fixed seat (12) and a rear fixed seat (13). A straight thrust rod is provided between the front fixed seat (12) and the front axle (2). A straight thrust rod is also provided between the rear fixed seat (13) and the rear axle (3). The frame (1) is also equipped with a drive motor (21) and a battery (22). The battery (22) provides power to the drive motor (21).

2. The chassis for a pure electric trackless rubber-tired vehicle with independent suspension according to claim 1, characterized in that: The shock absorption device includes a coil spring (4) and a shock absorber (5). Front brackets (6) are provided on both the left and right sides of the front end of the frame (1). A coil spring (4) is installed between the front bracket (6) and the front axle (2). Rear brackets (7) are provided on both the left and right sides of the rear end of the frame (1). A coil spring (4) is also provided between the rear bracket (7) and the rear axle (3). A front mounting lug (8) is provided behind the front bracket (6). A front axle lug (9) is provided on the front axle (2) at the position corresponding to the front mounting lug (8). A shock absorber (5) is provided between the front mounting lug (8) and the front axle lug (9). A rear mounting lug (10) is provided in front of the rear bracket (7). A rear axle lug (11) is provided on the rear axle (3) at the position corresponding to the rear mounting lug (10). A shock absorber (5) is provided between the rear mounting lug (10) and the rear axle lug (11).

3. The chassis for a pure electric trackless rubber-tired vehicle with independent suspension according to claim 1, characterized in that: It also includes stabilizer bars, which include a front stabilizer bar (23) and a rear stabilizer bar (24). The front stabilizer bar (23) is located in front of the front axle (2). One side of the front stabilizer bar (23) is installed on the left side of the front axle (2) and the other side is installed on the right side of the front axle (2). It also includes a front stabilizer arm (25). One end of the front stabilizer arm (25) is located at the front end of the frame (1) and the other end is located on the front stabilizer bar (23). The rear stabilizer bar (24) is located behind the rear axle (3). One side of the rear stabilizer bar (24) is installed on the left side of the rear axle (3) and the other side is installed on the right side of the rear axle (3). It also includes a rear stabilizer arm (26). One end of the rear stabilizer arm (26) is located at the rear end of the frame (1) and the other end is located on the rear stabilizer bar (24).

4. The chassis for a pure electric trackless rubber-tired vehicle with independent suspension according to claim 1, characterized in that: The front mounting bracket (12) is installed on the left and right sides of the front end of the frame (1), and the rear mounting bracket (13) is installed on the left and right sides of the rear end of the frame (1). The front mounting bracket (12) and the rear mounting bracket (13) are both located on the front side of the front axle (2) and the rear axle (3). The straight thrust rod includes a front straight thrust rod (14) and a rear straight thrust rod (15). The front straight thrust rod (14) is installed between the front mounting bracket (12) and the front axle (2), and the rear straight thrust rod (15) is installed between the rear mounting bracket (13) and the rear axle (3).

5. A special chassis for a pure electric trackless rubber-tired vehicle with independent suspension as described in claim 4, characterized in that: The front and rear ends of the frame (1) are both frame structures. The front end of the frame is also provided with a front thrust rod mounting seat (16). The front axle (2) is provided with a front thrust rod mounting seat (16) in the middle. A V-shaped thrust rod (19) is provided between the front thrust rod mounting seat (16) and the front thrust rod mounting seat (16). The rear end of the frame (1) is also provided with a rear thrust rod mounting seat (17). The rear axle (3) is provided with a rear axle thrust rod mounting seat in the middle. A V-shaped thrust rod (19) is also provided between the rear thrust rod mounting seat (17) and the rear axle thrust rod mounting seat.

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