Driving mechanism for electric tractor and electric tractor

Abstract

The utility model discloses a driving mechanism for an electric tractor, which is characterized by comprising a driving mechanism body for the electric tractor, and the driving mechanism body for the electric tractor comprises a front axle structure and a rear axle structure; the front axle structure comprises a front axle connecting shaft, and a first front wheel and a second front wheel which are arranged at the two ends of the front axle connecting shaft; the rear axle structure comprises a rear axle connecting shaft, a first rear wheel and a second rear wheel, wherein the first rear wheel and the second rear wheel are arranged at the two ends of the rear axle connecting shaft. A first elastic fixing frame is arranged at the position, close to the first rear wheel, of the rear axle connecting shaft. A second elastic fixing frame is arranged at the position, close to the second rear wheel, of the rear axle connecting shaft. Traction of the electric tractor is more stable and comfortable, and the defects existing in rigid connection are overcome.

Description

Technical Field

[0001] The utility model relates to the field of airport equipment manufacturing, in particular to a driving mechanism for an electric tractor and an electric tractor. Background Art

[0002] Airport electric tractors, also known as electric aircraft tractors, are mainly used to push or tow aircraft at airports so that they can move to runways, parking spaces or maintenance hangars. Compared with traditional fuel tractors, electric tractors use batteries as a power source, have lower noise and zero emissions, and provide a more environmentally friendly and quiet transportation environment for airports.

[0003] The working principle of the electric tractor is based on electric drive technology. Through the synergy of key components such as batteries, motors, and control systems, the fast and efficient transportation of aircraft is achieved. The battery provides DC power to the motor through the control system. The magnetic field inside the motor generates a rotational force under the action of the current, which in turn drives the wheels to rotate. The transmission system is responsible for transmitting the power of the motor to the wheels and ensuring the stability and safety of the electric tractor during driving.

[0004] In order to make the traction of the electric tractor more stable and comfortable, it is necessary to design a driving mechanism for the electric tractor and the electric tractor. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the purpose of the utility model is to provide a driving mechanism for an electric tractor and an electric tractor.

[0006] In order to achieve the purpose of this utility model, the technical solution adopted is:

[0007] A driving mechanism for an electric traction vehicle, comprising:

[0008] An electric tractor vehicle drive mechanism body, the electric tractor vehicle drive mechanism body comprising a front axle structure and a rear axle structure;

[0009] The front axle structure comprises a front axle connecting shaft and a first front wheel and a second front wheel arranged at two ends of the front axle connecting shaft;

[0010] The rear axle structure comprises a rear axle connecting shaft and a first rear wheel and a second rear wheel arranged at both ends of the rear axle connecting shaft;

[0011] The rear axle connecting shaft is provided with a first elastic fixing bracket near the first rear wheel;

[0012] The rear axle connecting shaft is provided with a second elastic fixing bracket near the second rear wheel;

[0013] The first elastic fixing frame includes a first fixing member, and the first fixing member includes a first arc-shaped member arranged near the rear axle connecting shaft side;

[0014] One end of the first arc-shaped member is fixed to the first inner side of the rear wheel mounting groove through a first connecting member;

[0015] The other end of the first arc-shaped member is connected to the first elastic member through a second connecting member, and the second connecting member and the first elastic member are fixed to the second inner side of the rear wheel mounting groove;

[0016] The first elastic member comprises a first supporting inclined seat, on which a first spring is arranged;

[0017] The second elastic fixing frame includes a second fixing member, and the second fixing member includes a second arc-shaped member arranged close to the rear axle connecting shaft side;

[0018] One end of the second arc-shaped member is fixed to the first inner side of the rear wheel mounting groove through a third connecting member;

[0019] The other end of the second arc-shaped member is connected to the second elastic member through a fourth connecting member, and the fourth connecting member and the second elastic member are fixed to the second inner side of the rear wheel mounting groove;

[0020] The second elastic member includes a second supporting inclined seat, and a second spring is arranged on the second supporting inclined seat.

[0021] In a preferred embodiment of the present utility model, the front axle structure is fixed to the chassis of the vehicle drive mechanism body of the electric tractor through a plurality of support frames.

[0022] In a preferred embodiment of the present invention, the first spring is a first damping spring.

[0023] In a preferred embodiment of the present invention, the second spring is a second damping spring.

[0024] An electric tractor is provided with a driving mechanism for the electric tractor.

[0025] The beneficial effects of the utility model are:

[0026] The electric tractor provided by the utility model is more stable and comfortable in traction, and the disadvantages of rigid connection are avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The structure of the utility model is shown in FIG. Figure 1 .

[0028] Figure 2 The structure of the utility model is shown in FIG. Figure 2. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below through the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the scope of the utility model. In addition, in the following structure, the description of the well-known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0030] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or component referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0031] like Figure 1 Or a driving mechanism for an electric tractor as shown in FIG. 2 includes a driving mechanism body 100 for an electric tractor, and the driving mechanism body 100 for an electric tractor includes a front axle structure 110 and a rear axle structure 120.

[0032] The front axle structure 110 includes a front axle connecting shaft 111 and a first front wheel 112 and a second front wheel 113 disposed at two ends of the front axle connecting shaft 111 .

[0033] The rear axle structure 120 includes a rear axle connecting shaft 121 and a first rear wheel 122 and a second rear wheel 123 disposed at two ends of the rear axle connecting shaft 121 .

[0034] The rear axle connecting shaft 121 is provided with a first elastic fixing frame 210 near the first rear wheel 122 , and a second elastic fixing frame 220 near the second rear wheel 123 .

[0035] The first elastic fixing frame 210 includes a first fixing member 211 , and the first fixing member 211 includes a first arc-shaped member 212 disposed near the rear axle connecting shaft 121 . One end of the first arc-shaped member 212 is fixed to the first inner side of the rear wheel mounting groove 101 through a first connecting member 213 .

[0036] The other end of the first arc-shaped member 212 is connected to the first elastic member 230 through the second connecting member 214 , and the second connecting member 214 and the first elastic member 230 are fixed to the second inner side of the rear wheel mounting groove 101 .

[0037] The first elastic member 230 includes a first support slant seat 231, and a first spring 232 is disposed on the first support slant seat 231. The first spring 232 is a first damping spring.

[0038] The second elastic fixing frame 220 includes a second fixing member 221 , and the second fixing member 221 includes a second arc-shaped member 222 disposed near the rear axle connecting shaft 121 . One end of the second arc-shaped member 222 is fixed to the first inner side of the rear wheel mounting groove 101 through a third connecting member 223 .

[0039] The other end of the second arc-shaped member 222 is connected to the second elastic member 240 through the fourth connecting member 224 , and the fourth connecting member 224 and the second elastic member 240 are fixed to the second inner side of the rear wheel mounting groove 101 .

[0040] The second elastic member 240 includes a second support inclined seat 241, and a second spring is arranged on the second support inclined seat 241. The second spring is a second shock absorbing spring (not shown in the figure).

[0041] The upper end of the first spring or the second spring is fixed on the vehicle chassis.

[0042] The front axle structure 110 is fixed to the chassis of the electric tractor vehicle driving mechanism body 100 via a plurality of support frames 111 .

[0043] The rear wheels of the electric tractor of the utility model are provided with elastic shock absorbers, and the front wheels are rigidly supported. Under such a setting, traction is more stable and comfortable, and the shortcomings of rigid connection are avoided.

[0044] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above.

[0045] Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which shall fall within the scope of the present invention to be protected. The scope of protection of the present invention shall be defined by the attached claims and their equivalents.

Claims

1. A driving mechanism for an electric traction vehicle, characterized in that: include: An electric tractor vehicle drive mechanism body, the electric tractor vehicle drive mechanism body comprising a front axle structure and a rear axle structure; The front axle structure comprises a front axle connecting shaft and a first front wheel and a second front wheel arranged at two ends of the front axle connecting shaft; The rear axle structure comprises a rear axle connecting shaft and a first rear wheel and a second rear wheel arranged at both ends of the rear axle connecting shaft; The rear axle connecting shaft is provided with a first elastic fixing bracket near the first rear wheel; The rear axle connecting shaft is provided with a second elastic fixing bracket near the second rear wheel; The first elastic fixing frame includes a first fixing member, and the first fixing member includes a first arc-shaped member arranged near the rear axle connecting shaft side; One end of the first arc-shaped member is fixed to the first inner side of the rear wheel mounting groove through a first connecting member; The other end of the first arc-shaped member is connected to the first elastic member through a second connecting member, and the second connecting member and the first elastic member are fixed to the second inner side of the rear wheel mounting groove; The first elastic member comprises a first supporting inclined seat, on which a first spring is arranged; The second elastic fixing frame includes a second fixing member, and the second fixing member includes a second arc-shaped member arranged close to the rear axle connecting shaft side; One end of the second arc-shaped member is fixed to the first inner side of the rear wheel mounting groove through a third connecting member; The other end of the second arc-shaped member is connected to the second elastic member through a fourth connecting member, and the fourth connecting member and the second elastic member are fixed to the second inner side of the rear wheel mounting groove; The second elastic member includes a second supporting inclined seat, and a second spring is arranged on the second supporting inclined seat.

2. A driving mechanism for an electric tractor according to claim 1, characterized in that: The front axle structure is fixed to the chassis of the vehicle driving mechanism body of the electric tractor through a plurality of support frames.

3. The driving mechanism for an electric tractor according to claim 1, characterized in that: The first spring is a first damping spring.

4. The driving mechanism for an electric tractor according to claim 1, characterized in that: The second spring is a second shock absorbing spring.

5. An electric tractor, characterized in that: The electric tractor is provided with a driving mechanism for an electric tractor as claimed in any one of claims 1 to 4.

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