Multifunctional agricultural electric working vehicle with adjustable wheelbase and height

Abstract

The utility model discloses a multifunctional agricultural electric working vehicle with adjustable wheelbase and height, and belongs to the technical field of agricultural mechanical equipment, the multifunctional agricultural electric working vehicle comprises a main frame, a cab and a wheel track adjusting assembly, the wheel track adjusting assembly comprises a wheel track adjusting motor, a wheel track adjusting lead screw, a wheel track adjusting nut and a wheel track adjusting cross beam, the wheel track adjusting motor is fixed to the supporting main beam, the wheel track adjusting lead screw is in transmission connection with the output end of the wheel track adjusting motor, the wheel track adjusting nut is in threaded connection to the wheel track adjusting lead screw, one end of the wheel track adjusting cross beam is fixedly connected with the wheel track adjusting nut, and the other end of the wheel track adjusting cross beam is fixedly connected with the supporting longitudinal beam. And the wheel track adjusting cross beam is slidably connected in the supporting cross beam. The wheel track adjusting motor can drive the wheel track adjusting lead screw to rotate, so that the wheel track adjusting nut moves on the wheel track adjusting lead screw, the wheel track adjusting cross beam and the supporting longitudinal beam move on the lead screw, then adjustment of the wheel track of the agricultural operation vehicle can be achieved, and the use range of the agricultural operation vehicle is widened.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of agricultural machinery equipment, and discloses a multifunctional agricultural electric operation vehicle with adjustable wheelbase and height. BACKGROUND

[0002] The agricultural electric operation vehicle refers to agricultural equipment using electric power or a battery as a power source and is mainly used for agricultural production and operation. The equipment usually includes an electric tractor, an electric seeder, an electric transplanter and the like, which uses electric power to drive working parts and has the characteristics of environmental protection, energy saving and simple operation.

[0003] For different geological lands, the ridge distances between crops are different, and the wheelbase of the existing agricultural operation vehicle cannot be adjusted, so that the agricultural operation vehicle cannot be used on different lands, and the use range of the agricultural operation vehicle is reduced. CONTENT

[0004] In order to improve the working efficiency of the agricultural electric operation vehicle, the application provides a multifunctional agricultural electric operation vehicle with adjustable wheelbase and height.

[0005] The application provides a multifunctional agricultural electric operation vehicle with adjustable wheelbase and height, which adopts the following technical scheme:

[0006] The multifunctional agricultural electric operation vehicle with adjustable wheelbase and height comprises a main frame, a cab and a wheelbase adjusting assembly, the main frame comprises a support main beam, a support cross beam, a support longitudinal beam, a support arm and a driving wheel, the support main beam is fixedly connected with the support cross beam, the support longitudinal beam is located at the outer side of the support cross beam, the support arm is installed at the bottom of the support longitudinal beam, and the driving wheel is installed at the bottom end of the support arm; the cab is fixed on the main frame.

[0007] The wheelbase adjusting assembly comprises a wheelbase adjusting motor, a wheelbase adjusting lead screw, a wheelbase adjusting nut and a wheelbase adjusting cross beam, the wheelbase adjusting motor is fixed on the support main beam, the wheelbase adjusting lead screw is rotatably installed on the support main beam, the wheelbase adjusting lead screw is in transmission connection with the output end of the wheelbase adjusting motor, the wheelbase adjusting nut is in threaded connection with the wheelbase adjusting lead screw, one end of the wheelbase adjusting cross beam is fixedly connected with the wheelbase adjusting nut, the other end is fixedly connected with the support longitudinal beam, and the wheelbase adjusting cross beam is slidably connected in the support cross beam.

[0008] Through the above technical scheme, the wheelbase adjusting motor can drive the wheelbase adjusting lead screw to rotate, so that the wheelbase adjusting nut moves on the wheelbase adjusting lead screw, so that the wheelbase adjusting cross beam and the support longitudinal beam move on the lead screw, and the adjustment of the wheelbase of the agricultural operation vehicle can be realized, and the use range of the agricultural operation vehicle is improved.

[0009] Optionally, the output end of the wheel track adjusting motor is connected with the wheel track adjusting screw through a chain and a sprocket.

[0010] By using the above technical scheme, the transmission efficiency of the output end of the adjusting motor and the wheel track adjusting screw is high, the applicability is strong, and the cost is low.

[0011] Optionally, the main frame further comprises a first oil cylinder, the support arm is rotationally connected to the bottom of the support longitudinal beam, one end of the first oil cylinder is rotationally connected to the bottom of the support longitudinal beam, and the other end is rotationally connected to the side surface of the support arm.

[0012] By using the above technical scheme, in the late stage of crops, the first oil cylinder drives the support arm to rotate, so that the height of the support main beam, the support cross beam and the support longitudinal beam is adjusted, and the damage of the agricultural working vehicle to the crops is reduced as much as possible.

[0013] Optionally, a second oil cylinder is fixed on the support cross beam, and the lifting end of the second oil cylinder is fixedly connected with the cab.

[0014] By using the above technical scheme, the second oil cylinder can drive the cab to rise and fall, so that the driver can better observe the crops, and the driver can drive the agricultural working vehicle more conveniently.

[0015] Optionally, the main frame further comprises a workbench panel, and the workbench panel is fixedly connected with the support cross beam and the support main beam.

[0016] By using the above technical scheme, the pesticide spraying device, the seed planting device and the crop harvesting device can be installed on the workbench panel, and the agricultural electric working vehicle can work more conveniently.

[0017] Optionally, a hydraulic station is fixed on the upper surface of the workbench panel.

[0018] By using the above technical scheme, the hydraulic pressure can be provided to the first oil cylinder and the second oil cylinder, so that the first oil cylinder and the second oil cylinder can be opened or closed.

[0019] In summary, the present application has at least one of the following beneficial technical effects:

[0020] 1. The wheel track adjusting motor can drive the wheel track adjusting screw to rotate, so that the wheel track adjusting nut moves on the wheel track adjusting screw, the wheel track adjusting cross beam and the support longitudinal beam move on the screw, and the wheel track of the agricultural working vehicle can be adjusted, and the use range of the agricultural working vehicle is improved.

[0021] 2. In the late stage of crops, the first oil cylinder drives the support arm to rotate, so that the height of the support main beam, the support cross beam and the support longitudinal beam is adjusted, and the damage of the agricultural working vehicle to the crops is reduced as much as possible.

[0022] 3. The second oil cylinder can drive the cab to lift, so that the driver can better observe the crop situation, and the driver can drive the agricultural working vehicle more conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is the overall structure schematic diagram of the main frame of the application in the lowest position and the minimum wheelbase state.

[0024] Figure 2 is the overall structure schematic diagram of the main frame of the application in the highest position and the maximum wheelbase state

[0025] Figure 3 is the structure schematic diagram of the application for showing the support main beam and the wheelbase adjusting assembly.

[0026] Figure 4 is Figure 3 the enlarged view of A in FIG. 4.

[0027] BRIEF DESCRIPTION OF DRAWINGS: 1, main frame; 11, support main beam; 12, support cross beam; 13, support longitudinal beam; 14, support arm; 15, drive wheel; 16, first oil cylinder; 17, workbench panel; 2, cab; 3, wheelbase adjusting assembly; 31, wheelbase adjusting motor; 32, wheelbase adjusting screw; 33, wheelbase adjusting nut; 34, wheelbase adjusting cross beam; 4, second oil cylinder; 5, hydraulic station. DETAILED DESCRIPTION

[0028] The following will be described in detail in combination with the accompanying drawings. Figures 1-4 The application will be further described in detail.

[0029] The embodiment of the application discloses a multifunctional agricultural electric working vehicle with adjustable wheelbase and height. Figures 1-3 The multifunctional agricultural electric working vehicle with adjustable wheelbase and height comprises a main frame 1, a cab 2 and a wheelbase adjusting assembly 3. The cab 2 is installed on the main frame 1.

[0030] The main frame 1 comprises a support main beam 11, a support cross beam 12, a support longitudinal beam 13, a support arm 14, a drive wheel 15, a first oil cylinder 16 and a workbench panel 17. Figures 1-3 The support main beam 11 comprises a main body beam and auxiliary beams. The main body beam is located in the middle position. The auxiliary beams are arranged in plurality, and the plurality of auxiliary beams are fixed on the opposite sides of the main body symmetrically. The support cross beam 12 is arranged in two, and the two support cross beams 12 are fixed at the two ends of the main body beam respectively. The support longitudinal beam 13 is arranged in two, and the two support longitudinal beams 13 are located on the two sides of the support cross beam 12.

[0031] The cab 2 comprises a cab body and a cab floor. The cab body is arranged on the main frame 1. The cab floor is arranged on the cab body. Figures 1-3The support arm 14 is provided with two groups, and the two groups of support arms 14 are respectively installed on the bottom surface of the two support longitudinal beams 13. Each group of support arms 14 is provided with two, and the two support arms 14 are symmetrically connected to the bottom surface of the support longitudinal beam 13. The driving wheel 15 is installed at one end of the support arm 14 away from the support longitudinal beam 13. The first oil cylinder 16 is provided with two groups, and the two groups of first oil cylinders 16 are respectively installed on the bottom surface of the two support longitudinal beams 13. Each group of first oil cylinders 16 is provided with two, and the two first oil cylinders 16 are symmetrically connected to the bottom surface of the support longitudinal beam 13. The first oil cylinder 16 is rotatably connected to the middle position of the support arm 14 away from the support longitudinal beam 13. In the late stage of crops, the first oil cylinder 16 drives the support arm 14 to rotate, so that the height of the support main beam 11, the support cross beam 12 and the support longitudinal beam 13 is adjusted, and the damage of the agricultural working vehicle to the crops is reduced as much as possible.

[0032] Referring to Figures 1-3 , the workbench panel 17 is fixed on the upper surfaces of the support main beam 11 and the support cross beam 12. The pesticide spraying device, the seed planting device and the crop harvesting device can be installed on the workbench panel 17, which is convenient for the agricultural electric working vehicle to work. The second oil cylinder 4 is fixed on the upper surface of the middle position of the support cross beam 12 close to the cab 2. The lifting end of the second oil cylinder 4 is fixedly connected with the cab 2. The second oil cylinder 4 can drive the cab 2 to rise and fall, so that the driver can better observe the crop situation, which is convenient for the driver to drive the agricultural working vehicle. The hydraulic station 5 for pressurizing or depressurizing the first oil cylinder 16 and the second oil cylinder 4 is fixed on the side of the workbench panel 17 close to the cab 2.

[0033] Referring to Figure 1 , Figure 3 and Figure 4 , the wheel track adjusting assembly 3 comprises a wheel track adjusting motor 31, a wheel track adjusting lead screw 32, a wheel track adjusting nut 33 and a wheel track adjusting cross beam 34. The wheel track adjusting motor 31 is fixed on the support main beam 11. The wheel track adjusting lead screw 32 is provided with two, and the two wheel track adjusting lead screws 32 are rotatably installed on the support main beam 11. The wheel track adjusting lead screw 32 is in transmission connection with the output end of the wheel track adjusting motor 31 through a chain wheel and a chain. The wheel track adjusting nut 33 is provided with four, and the four wheel track adjusting nuts 33 are respectively threadedly connected on both sides of the two wheel track adjusting lead screws 32. One end of the wheel track adjusting cross beam 34 is fixedly connected with the wheel track adjusting nut 33, and the other end of the wheel track adjusting cross beam 34 is fixedly connected with the support longitudinal beam 13. The wheel track adjusting cross beam 34 is slidably connected in the support cross beam 12.

[0034] Referring to Figure 1 , Figure 3 and Figure 4When the wheel track adjustment motor 31 is started, the wheel track adjustment motor 31 can drive the wheel track adjustment screw 32 to rotate, so that the wheel track adjustment nut 33 moves on the wheel track adjustment screw 32, thereby causing the wheel track adjustment crossbeam 34 and the support longitudinal beam 13 to move on the screw, thus realizing the adjustment of the wheel track of the agricultural operation vehicle and improving the application range of the agricultural operation vehicle.

[0035] The implementation principle of a multi-functional agricultural electric work vehicle with adjustable wheelbase and height according to an embodiment of this application is as follows:

[0036] When the agricultural electric vehicle is working on land with different geological conditions, the wheel track adjustment motor 31 is started. The wheel track adjustment motor 31 can drive the wheel track adjustment screw 32 to rotate, so that the two wheel track adjustment nuts 33 located on the wheel track adjustment screw 32 move away from or closer to each other, thereby making the two wheel track adjustment crossbeams 34 move away from or closer to each other, thus realizing the adjustment of the wheel track of the agricultural vehicle, which makes it convenient for the agricultural electric vehicle to work on land with different geological conditions.

[0037] When the electric agricultural vehicle is working on land with tall crops, the first hydraulic cylinder 16 is activated. The first hydraulic cylinder 16 drives the support arm 14 to rotate, thereby raising the height of the main support beam 11, the support crossbeam 12, and the support longitudinal beam 13, minimizing damage to the tall crops caused by the agricultural vehicle.

[0038] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A multi-functional electric utility vehicle for agricultural use with adjustable wheel base and height, characterized in that: The application relates to a main frame (1), a cab (2) and a wheel track adjusting assembly (3), wherein the main frame (1) comprises a support main beam (11), a support cross beam (12), a support longitudinal beam (13), a support arm (14) and a driving wheel (15), the support main beam (11) is fixedly connected with the support cross beam (12), the support longitudinal beam (13) is located outside the support cross beam (12), the support arm (14) is installed at the bottom of the support longitudinal beam (13), and the driving wheel (15) is installed at the bottom end of the support arm (14); the cab (2) is fixed on the main frame (1). The wheel track adjusting assembly (3) comprises a wheel track adjusting motor (31), a wheel track adjusting screw rod (32), a wheel track adjusting nut (33) and a wheel track adjusting cross beam (34), the wheel track adjusting motor (31) is fixed on the support main beam (11), the wheel track adjusting screw rod (32) is rotatably installed on the support main beam (11), the wheel track adjusting screw rod (32) is in transmission connection with the output end of the wheel track adjusting motor (31), the wheel track adjusting nut (33) is in threaded connection with the wheel track adjusting screw rod (32), one end of the wheel track adjusting cross beam (34) is fixedly connected with the wheel track adjusting nut (33), the other end is fixedly connected with the support longitudinal beam (13), and the wheel track adjusting cross beam (34) is slidably connected in the support cross beam (12).

2. The multi-functional electric utility vehicle of claim 1, wherein: The output end of the wheel track adjusting motor (31) is in transmission connection with the wheel track adjusting screw rod (32) through a chain and a sprocket.

3. The multi-functional electric utility vehicle of claim 1, wherein: The main frame (1) further comprises a first oil cylinder (16), the support arm (14) is rotatably connected at the bottom of the support longitudinal beam (13), one end of the first oil cylinder (16) is rotatably connected with the bottom of the support longitudinal beam (13), and the other end is rotatably connected on the side surface of the support arm (14).

4. The multi-functional electric farm vehicle with adjustable wheel base and height according to claim 3, characterized in that: A second oil cylinder (4) is fixed on the support cross beam (12), and the lifting end of the second oil cylinder (4) is fixedly connected with the cab (2).

5. The multi-functional electric utility vehicle of claim 4, wherein: The main frame (1) further comprises a workbench panel (17), and the workbench panel (17) is fixedly connected with the support cross beam (12) and the support main beam (11).

6. The multi-functional electric utility vehicle of claim 5, wherein: A hydraulic station (5) is fixed on the upper surface of the workbench panel (17).

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