Electric four-wheel-drive farm vehicle

Abstract

The invention relates to an electric four-wheel-drive farm vehicle which comprises a vehicle frame main body, a first damping mechanism and a second damping mechanism, and the end of the first damping mechanism and the end of the second damping mechanism are each connected with a wheel assembly. A first driving mechanism and a second driving mechanism which are used for driving the wheel assemblies at the ends of the first damping mechanism and the second damping mechanism are arranged in the frame body, and a steering mechanism used for driving the wheel assemblies at the ends of the first damping mechanism to steer and a footrest mechanism used for footrest are further arranged in the frame body. The side, close to the first damping mechanism, of the frame body is further connected with a winch mechanism. The whole agricultural vehicle is light in weight and large in load, is provided with a footrest mechanism, is strong in power, is high in climbing gradient, is large in ground clearance, is long in endurance time, achieves full-time four-wheel drive, is also provided with a differential lock and an independent suspension, is provided with an electric capstan, has the functions of traction, towing and the like, and brings convenience to a user during use.

Description

Technical Field

[0001] The invention relates to the technical field of farmer's vehicles, and in particular to an electric four-wheel drive farmer's vehicle. Background Art

[0002] ‌Utility Vehicle, or UTV for short, is a versatile four-wheel drive vehicle suitable for beach off-roading, mountain cargo transportation, farm operations and many other functions. The utility vehicle is known as an all-around action tool because of its strong climbing ability and ability to adapt to various terrains. It not only performs well in sports competitions, leisure and entertainment, but also plays an important role in agriculture, forestry, animal husbandry, petroleum, electricity, construction sites, mining, rescue, exploration, hunting, firefighting, military and many other fields. The utility vehicle is small in size and light in weight, with a high thrust-to-weight ratio and a powerful power system, making it particularly outstanding in off-road performance. This type of vehicle is usually equipped with a large suspension travel, providing strong off-road capabilities, and is favored by many off-road players‌ The application announcement number is CN117644762A, which discloses an all-terrain vehicle. Combined with its specification and drawings, it includes a frame, a steering mechanism, a front suspension component, a rear suspension component, a rear axle component, and an engine assembly, wherein the frame includes a steel tube truss structure frame, and the frame is provided with a cockpit, a steering mount, a front suspension mount, and a rear suspension mount. However, the driving mode of the entire all-terrain vehicle is rear-wheel drive. For off-road scenarios during use, it is not easy to get out of trouble using this body power layout structure, and there is no corresponding position on the entire body to install a winch to help other vehicles get out of trouble. The use scenario is limited, which brings inconvenience to users.

[0003] The application announcement number is CN117301832A, which discloses an all-terrain vehicle. Combined with its specification and drawings, the all-terrain vehicle in its scheme can make the driving motor located at the rear of the frame, and the power battery located between the first running wheel and the second running wheel, so that the center of gravity distribution of the all-terrain vehicle is more reasonable, thereby improving the stability of the all-terrain vehicle during driving. However, when driving such an all-terrain vehicle, a traditional footrest is generally used, which often adopts a fixed position and a fixed angle, and cannot be adjusted to different angles to adapt to the use of drivers of different body shapes and allow them to change the position of their feet. During driving, the driver often feels uncomfortable due to the uncomfortable angle of the footrest, which causes cramps and fatigue in the driver's legs, especially in complex road conditions. In order to drive the UTV more comfortably, it is desired to have a footrest that can be easily adjusted to different angles. Summary of the invention

[0004] The present invention mainly aims at the problems existing in the use of the above-mentioned farmer's cart, and invents an electric four-wheel drive farmer's cart. The whole farmer's cart has a light curb weight, a large load capacity, fast acceleration, strong power, a high gradeability, a large ground clearance, a long endurance time, full-time four-wheel drive, and is also equipped with a differential lock, front and rear double wishbone independent suspension, and an electric winch with functions such as traction and towing. During driving, the user's right foot controls the acceleration and braking of the farmer's cart, and the left foot is placed on a footrest mechanism with an adjustable angle.

[0005] The inventive objective of the present invention is achieved through the following technical solutions: an electric four-wheel drive farmer's vehicle, comprising a frame body, a first shock absorbing mechanism is provided on one side of the frame body, and a second shock absorbing mechanism is provided on the other side, the ends of the first shock absorbing mechanism and the second shock absorbing mechanism are respectively connected to a wheel assembly, a first driving mechanism and a second driving mechanism are provided inside the frame body for driving the wheel assembly at the ends of the first shock absorbing mechanism and the second shock absorbing mechanism, a steering mechanism for driving the wheel assembly at the ends of the first shock absorbing mechanism for steering and a resting mechanism for resting are also provided inside the frame body, and a winch mechanism is also connected to the side of the frame body close to the first shock absorbing mechanism.

[0006] Preferably, the frame body includes a chassis support frame, a cockpit support frame and a power supply compartment support frame, the chassis support frame and the power supply compartment support frame are composed of a plurality of polygonal metal profiles connected to each other, the first shock absorbing mechanism, the second shock absorbing mechanism, the first drive mechanism and the second drive mechanism are all connected to the chassis support frame, the cockpit support frame is composed of a plurality of circular or arc-shaped metal profiles connected to each other, the two side ends of the cockpit support frame are connected to the chassis support frame, the power supply compartment support frame is arranged in the middle of the chassis support frame, a plurality of power batteries are arranged inside the power supply compartment support frame, and a plurality of seats are arranged on the surface of the power supply compartment support frame.

[0007] Preferably, the first shock absorbing mechanism comprises a plurality of first shock absorbing support rods and a first shock absorber assembly, one ends of the plurality of first shock absorbing support rods are converged and connected to a wheel assembly, a surface of at least one converged end is provided with a first shock absorbing support block, the other ends of the plurality of first shock absorbing support rods are rotatably connected to a chassis supporting frame, and a first shock absorber assembly is rotatably connected between the top of the chassis supporting frame and the surface of the first shock absorbing support block.

[0008] Preferably, the second shock absorbing mechanism comprises a plurality of second shock absorbing support rods and a second shock absorber assembly, one ends of the plurality of second shock absorbing support rods are converged and connected to a wheel assembly, a second shock absorbing support block is provided on the surface of at least one converged end, the other ends of the plurality of second shock absorbing support rods are rotatably connected to a chassis supporting frame, and a second shock absorber assembly is rotatably connected between the top of the chassis supporting frame and the surface of the second shock absorbing support block.

[0009] Preferably, the first drive mechanism includes a first drive motor, a first differential, a first drive shaft and a second drive shaft, the first drive motor is electrically connected to a plurality of power batteries, the drive shaft of the first drive motor is connected to the first differential, both sides of the first differential are drivingly connected to the first drive shaft, an end of the first drive shaft is rotatably connected to one end of the second drive shaft, and the other end of the second drive shaft is connected to a wheel assembly.

[0010] Preferably, the second drive mechanism includes a second drive motor, a third drive shaft and a fourth drive shaft, the second drive motor is electrically connected to a plurality of power batteries, the drive shaft of the second drive motor is connected to the second differential, both sides of the second differential are drivingly connected with the third drive shaft, an end of the third drive shaft is rotatably connected to one end of the fourth drive shaft, and the other end of the fourth drive shaft is connected to a wheel assembly.

[0011] Preferably, the steering mechanism includes a steering support block, an integral steering gear, a steering rocker arm, a steering drive arm, a steering wheel and a steering rod. The steering support block and the integral steering gear are connected to the frame body. The steering support block and the integral steering gear are slidably connected to the steering rocker arm. The interior of the integral steering gear is also connected to one end of the steering drive arm. When the steering drive arm rotates, it can drive the steering rocker arm to slide. The other end of the steering drive arm is connected to the steering wheel. The ends of the steering rocker arms are connected to steering rods, and the steering rods are respectively connected to a wheel assembly.

[0012] Preferably, the footrest mechanism comprises a footrest base, a footrest bracket, a rotating shaft, a footrest plate, a limiting bolt, a cam slider, a cam driving block, a limiting nut and an adjusting handle, wherein a rotating shaft is rotatably provided at one end of the bottom of the footrest base, and one end of the footrest bracket is provided with a rotating shaft, and the rotating shaft support seat is rotatably connected to the surface of the rotating shaft, and the other end of the footrest bracket is detachably connected to the footrest plate, and limiting slide grooves are also provided on both sides of the interior of the footrest base, and the end of the footrest bracket and the interior of the limiting slide groove are penetrated and connected with the limiting bolt, one end of the limiting bolt is provided with a first slider, the first slider can be slidably connected to the interior of the limiting slide groove on one side, and the other end of the limiting bolt passes through the footrest base and is sequentially connected to the cam slider, the cam driving block and the adjusting handle, a second slider is provided on one side of the cam slider, the second slider can be slidably connected to the interior of the limiting slide groove, and the end of the limiting bolt is fixed and locked to the adjusting handle by a limiting nut, and the first slider and the second slider are both fitted to the side of the footrest bracket.

[0013] Preferably, the winch mechanism comprises a winch support frame, a winch mounting seat, a metal hook and an electric winch, the winch support frame is connected to one side of the chassis support frame, the winch mounting seat and the metal hook are installed on the winch support frame, and the electric winch is installed inside the winch mounting seat.

[0014] Preferably, the wheel assembly includes a metal wheel hub and a rubber tire, the first shock-absorbing support rod and the second shock-absorbing support rod are rotatably connected to a metal wheel hub via a first shock-absorbing support block and a second shock-absorbing support block respectively, and a rubber tire is provided on the outside of each metal wheel hub.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. During the early stage of production and assembly, the cockpit support frame has not yet been connected to the chassis support frame, and the entire chassis support frame and the power compartment support frame are in a completely exposed state, so there is no situation where the installation is inconvenient or blocked by objects and cannot be installed. Workers can easily install the first shock absorbing mechanism, the second shock absorbing mechanism, the first drive mechanism, the second drive mechanism and the steering mechanism on the chassis support frame, and it is also convenient to install the power battery inside the power compartment support frame, which brings convenience to production; 2. Moreover, due to The road conditions of the farmer's car are relatively complex, and some small collisions or scratches are prone to occur. The tilting structure of the winch support frame near the outside can act as a buffer, and will be hit before the chassis support frame, so that the user's maintenance cost is reduced, and the subsequent force on the chassis support frame can reduce the damage to the first shock absorbing mechanism, the second shock absorbing mechanism, the first drive mechanism, the second drive mechanism and the steering mechanism. Therefore, the cooperation between the chassis support frame and the winch support frame can better protect the above-mentioned mechanisms and facilitate subsequent maintenance; 3. During driving, the user's right foot controls the acceleration and braking of the farmer's car, so the left foot needs to be placed at a suitable angle. The user can turn the adjustment handle according to his needs to reduce the pressure of the first slider and the second slider on the side of the footrest bracket. At this time, the footrest bracket can be adjusted according to needs. After turning to the specified angle, the adjustment handle is rotated in the opposite direction to complete the locking. Such a footrest mechanism can improve the driver's driving comfort, is easy to install, simple to operate, and economical and practical; 4. When adjusting the position during the rotation of the adjustment handle, the second slider on the cam slider is always stuck in the inside of the limit slide groove, so no matter No matter how the adjusting handle is rotated, the limit nut, adjusting handle, cam drive block and cam slider cannot be completely separated from the surface of the limit bolt. If you want to completely remove them, you can only rotate the limit nut first. This fool-proof design can effectively prevent the user from making mistakes when adjusting the angle of the footrest and causing the entire structure to fall apart; 5. The entire farmer's vehicle has a light curb weight, large load capacity, fast acceleration, strong power, high gradeability, large ground clearance, long cruising range, full-time four-wheel drive, differential locks, front and rear double wishbone independent suspension, and an electric winch with traction and towing functions, which brings convenience to users. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A perspective view of the present invention; Figure 2 It is a partial stereogram of the present invention; Figure 3 This is a three-dimensional view of the present invention after removing the external decorative parts; Figure 4 This is a three-dimensional view of the present invention after removing two rubbers and external decorative parts; Figure 5It is a partial stereogram of the present invention; Figure 6 It is a partial stereogram of the present invention; Figure 7 is a structural diagram of the first damping mechanism, the first driving mechanism and the steering mechanism of the present invention; Figure 8 It is a three-dimensional diagram of the foot rest mechanism of the present invention; Fig. 9 It is a three-dimensional diagram of the foot rest mechanism of the present invention; Fig.10 An exploded view of the foot rest mechanism of the present invention; Fig.11 It is a cross-sectional view of the foot rest mechanism of the present invention.

[0017] Markings in the figure: 1. Frame body; 11. Chassis support frame; 12. Cockpit support frame; 13. Power compartment support frame; 14. Power battery; 15. Seat; 2. First shock absorbing mechanism; 21. First shock absorbing support rod; 22. First shock absorber assembly; 23. First shock absorbing support block; 3. Second shock absorbing mechanism; 31. Second shock absorbing support rod; 32. Second shock absorber assembly; 33. Second shock absorbing support block; 4. Wheel assembly; 41. Metal wheel hub; 42. Rubber tire; 5. First drive mechanism; 51. First drive motor; 52. First differential; 53. First drive shaft; 54. Second drive shaft; 6. Second drive mechanism; 61. Second drive motor; 62. Second differential speed reducer; 63, third drive shaft; 64, fourth drive shaft; 7, steering mechanism; 71, steering support block; 72, integral steering gear; 73, steering rocker arm; 74, steering drive arm; 75, steering wheel; 76, steering tie rod; 8, footrest mechanism; 81, footrest base; 82, rotating shaft; 83, footrest bracket; 84, shaft support seat; 85, footrest; 86, limit bolt; 87, cam slider; 88, cam drive block; 89, adjustment handle; 80, limit nut; 811, limit slide; 861, first slider; 871, second slider; 9, winch mechanism; 91, winch support frame; 92, winch mounting seat; 93, metal hook; 94, electric winch. DETAILED DESCRIPTION

[0018] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings: like Figures 1 to 7As shown, an electric four-wheel drive farmer's vehicle includes a frame body 1, which is made of aluminum alloy material, so that the entire frame body 1 is light, strong and easy to process. The aluminum alloy frame body 1 also has good corrosion resistance and low cost, and is suitable for use in various complex road conditions. The frame body 1 includes a chassis support frame 11, a cockpit support frame 12 and a power supply compartment support frame 13. The chassis support frame 11 and the power supply compartment support frame 13 are composed of a plurality of square aluminum alloy profiles welded together, a first shock absorbing mechanism 2, a second shock absorbing mechanism 3 and a second shock absorbing mechanism 4. The vibration mechanism 3, the first drive mechanism 5 and the second drive mechanism 6 are all connected to the chassis support frame 11. The power supply compartment support frame 13 is arranged in the middle of the chassis support frame 11. A plurality of power batteries 14 are arranged inside the power supply compartment support frame 13. A plurality of seats 15 are arranged on the surface of the power supply compartment support frame 13. With this placement method, during the early production and assembly, before the cockpit support frame 12 is connected to the chassis support frame 11, the entire chassis support frame 11 and the power supply compartment support frame 13 are in a completely exposed state. There is no situation where the installation is inconvenient or blocked by objects. Workers can easily install the first shock absorbing mechanism 2, the second shock absorbing mechanism 3, the first driving mechanism 5, the second driving mechanism 6 and the steering mechanism 7 on the chassis support frame 11, and it is also convenient to install the power battery 14 inside the power supply compartment support frame 13. The seat 15 is also detachable relative to the power supply compartment support frame 13, which is convenient for subsequent users to inspect the power battery 14. In addition, due to the relatively complex road conditions of the farmer's car, some small collisions or scratches are prone to occur. The chassis support frame 11 is subjected to force preferentially, which can reduce damage to the first shock absorbing mechanism 2, the second shock absorbing mechanism 3, the first drive mechanism 5, the second drive mechanism 6 and the steering mechanism 7. Therefore, the chassis support frame 11 can better protect the above-mentioned mechanisms and facilitate subsequent maintenance. The cockpit support frame 12 is composed of a number of circular aluminum alloy profiles welded together. When the first shock absorbing mechanism 2, the second shock absorbing mechanism 3, the first drive mechanism 5 and the second drive mechanism 6 are installed, the two side ends of the cockpit support frame 12 are connected to the chassis support frame 11.

[0019] In this embodiment, a first shock absorbing mechanism 2 is provided on the left side of the frame body 1, and a first driving mechanism 5 is provided inside the frame body 1 for driving the wheel assembly 4 at the end of the first shock absorbing mechanism 2 to roll. Specifically, the first shock absorbing mechanism 2 includes a plurality of first shock absorbing support rods 21 and a first shock absorber assembly 22, one end of the plurality of first shock absorbing support rods 21 converges and is connected to a wheel assembly 4, a first shock absorbing support block 23 is provided on the surface of at least one convergent end, and the other ends of the plurality of first shock absorbing support rods 21 are rotatably connected to the chassis supporting frame 11, and the top of the chassis supporting frame 11 and the surface of the first shock absorbing support block 23 can be rotated. The first shock absorber assembly 22 is rotatably connected, and the first shock absorber assembly 22 is composed of a shock absorber, a lower spring pad, a dust cover, a spring, a shock absorber pad, an upper spring pad, a spring seat, a bearing, a top rubber, and a nut. The first shock absorber assembly 22 uses a fluid to convert the elastic energy of the spring into heat energy to make the vehicle movement convergence most reasonable, thereby eliminating the vibration caused by the road surface and improving driving stability, giving the driver a sense of comfort and stability. The cooperation between a plurality of first shock absorber support rods 21 and the first shock absorber assembly 22 forms a double wishbone independent suspension. When facing complex road conditions, the wheel assembly 4 can drive one end of each first shock absorber support rod 21 to rotate relative to the chassis support frame 11. During the rotation process, the first shock absorber assembly 22 can reduce the vibration of the entire vehicle body. The first driving mechanism 5 includes a first driving motor 51, a first differential 52, a first driving shaft 53 and a second driving shaft 54. The first driving motor 51 is electrically connected to a plurality of power batteries 14. The driving shaft of the first driving motor 51 is connected to the first differential 52. The first driving shaft 53 is drivingly connected to both sides of the first differential 52. The end of the first driving shaft 53 is rotatably connected to one end of the second driving shaft 54. The other end of the second driving shaft 54 ​​is connected to a wheel assembly 4. After such an arrangement, the driving shaft of the first driving motor 51 It can drive the first differential 52 to move, and the first differential 52 will drive the first drive shafts 53 on both sides to rotate, and the first drive shaft 53 will drive the second drive shaft 54 ​​to rotate. When the second drive shaft 54 ​​rotates, the wheel assembly 4 will also move, and the first differential 52 can adjust the speed difference of the two first drive shafts 53 to ensure that the wheel assemblies 4 on both sides roll at the same speed. The entire farmer's vehicle will pass through a bumpy section. Whenever the wheel assembly 4 is affected by the potholes and moves up and down, since the mating ends of the first drive shaft 53 and the second drive shaft 54 ​​are movable at multiple angles, in this case, the transmission of the second drive shaft 54 ​​by the first drive shaft 53 is not affected.

[0020] In this embodiment, a steering mechanism 7 for driving the wheel assembly 4 at the end of the first shock absorbing mechanism 2 to steer is further provided inside the frame body 1. A winch mechanism 9 is also connected to the side of the frame body 1 close to the first shock absorbing mechanism 2. Specifically, the steering mechanism 7 includes a steering support block 71, an integral steering gear 72, a steering rocker arm 73, a steering drive arm 74, a steering wheel 75 and a steering tie rod 76. The steering support block 71 and the integral steering gear 72 are connected to the frame body 1. A steering rocker arm 73 is slidably connected inside, and the inside of the integral steering gear 72 is also connected to one end of a steering drive arm 74. When the steering drive arm 74 rotates, it can drive the steering rocker arm 73 to slide. The other end of the steering drive arm 74 is connected to a steering wheel 75. The ends of the steering rocker arm 73 are connected to steering rods 76, and the steering rods 76 are respectively connected to a wheel assembly 4. After such a setting, when the steering wheel 75 is rotated, the steering drive arm 74 can be driven to rotate, and when the steering drive arm 74 moves, it can drive the integral steering gear The steering rocker arm 73 inside 72 slides left and right, and when the steering rocker arm 73 slides left and right, it can drive the steering tie rod 76 to move left and right, so that the steering tie rod 76 can pull a wheel assembly 4 to swing. It should be noted that the steering tie rod 76 and the end of the steering rocker arm 73 are in a multi-angle rotatable matching mode, so that the wheel assembly 4 can be turned normally when encountering a pothole section. The winch mechanism 9 includes a winch support frame 91, a winch mounting seat 92, a metal hook 93 and an electric winch 94. The winch support frame 91 is connected to the chassis support frame On one side of 11, a winch mounting seat 92 and a metal hook 93 are installed on the winch support frame 91, and an electric winch 94 is installed inside the winch mounting seat 92. After this arrangement, the tilting structure of the winch support frame 91 close to the outer side can buffer slight collisions. In the face of smaller scratches and collisions, the winch support frame 91 will be hit before the chassis support frame 11. This reduces the user's maintenance cost. When facing a farmer's car or other vehicle that needs to be rescued, it is only necessary to use the electric winch 94 on the surface of the winch mounting seat 92 to drag and help it out of trouble.

[0021] In this embodiment, a second shock absorbing mechanism 3 is provided on the right side of the frame body 1, and the ends of the second shock absorbing mechanism 3 are respectively connected to a wheel assembly 4, and a second driving mechanism 6 for driving the wheel assembly 4 at the end of the second shock absorbing mechanism 3 to move is also provided inside the frame body 1, and the second shock absorbing mechanism 3 includes a plurality of second shock absorbing support rods 31 and a second shock absorber assembly 32, and one end of the plurality of second shock absorbing support rods 31 converges and is connected to a wheel assembly 4, and a second shock absorbing support block 33 is provided on the surface of at least one convergent end, and the other ends of the plurality of second shock absorbing support rods 31 are rotatably connected to the chassis support frame 11, and the top of the chassis support frame 11 is connected to the second The second shock absorber assembly 32 is rotatably connected between the surfaces of the shock absorbing support block 33. Similarly, the second shock absorber assembly 32 is also composed of a shock absorber, a lower spring pad, a dust cover, a spring, a shock absorbing pad, an upper spring pad, a spring seat, a bearing, a top rubber, and a nut. The second shock absorber assembly 32 also uses a fluid to convert the elastic energy of the spring into heat energy to make the vehicle movement convergence most reasonable, thereby eliminating the vibration caused by the road surface and improving driving stability, giving the driver a sense of comfort and stability. The cooperation between a plurality of second shock absorbing support rods 31 and the second shock absorber assembly 32 forms a double wishbone independent suspension. When facing complex road conditions, the wheel assembly 4 can drive one end of each second shock absorbing support rod 31 relative to The chassis supports the frame 11 to rotate, and the second shock absorber assembly 32 can reduce the vibration of the entire vehicle body during the rotation process. The second drive mechanism 6 includes a second drive motor 61, a third drive shaft 63 and a fourth drive shaft 64. The second drive motor 61 is electrically connected to a plurality of power batteries 14. The drive shaft of the second drive motor 61 is connected to the second differential 62. The second differential 62 is transmission-connected to the third drive shaft 63 on both sides. The end of the third drive shaft 63 can be rotatably connected to one end of the fourth drive shaft 64, and the other end of the fourth drive shaft 64 is connected to a wheel assembly 4. Similar to the first drive mechanism 5, the second drive motor 6 The driving shaft of 1 can drive the second differential 62 to move, and the second differential 62 will drive the third driving shafts 63 on both sides to rotate, and the third driving shaft 63 will drive the fourth driving shaft 64 to rotate. When the fourth driving shaft 64 rotates, the wheel assembly 4 will also move, and the second differential 62 can adjust the speed difference of the two third driving shafts 63 to ensure that the wheel assemblies 4 on both sides roll at the same speed. The entire farmer's vehicle will pass through a bumpy section. Whenever the wheel assembly 4 is affected by the potholes and moves up and down, the mating ends of the third driving shaft 63 and the fourth driving shaft 64 are movable at multiple angles, so that in this case, the transmission of the third driving shaft 63 to the fourth driving shaft 64 is not affected.

[0022] In this embodiment, please continue to refer to Figures 8 to 11The wheel assembly 4 includes a metal wheel hub 41 and a rubber tire 42. The first shock-absorbing support rod 21 and the second shock-absorbing support rod 31 are rotatably connected to a metal wheel hub 41 through a first shock-absorbing support block 23 and a second shock-absorbing support block 33 respectively. A rubber tire 42 is provided on the outside of each metal wheel hub 41. A rest mechanism 8 for resting feet is also provided inside the frame body 1. The rest mechanism 8 includes a rest board base 81, a rest board bracket 83, a rotating shaft 82, a rest board 85, a limiting bolt 86, a cam slider 87, a cam drive block 88, a limiting nut 80 and an adjusting handle 89. A rotating shaft 82 is rotatably provided at one end of the bottom of the rest board base 81, and a rotating shaft support seat is provided at one end of the rest board bracket 83. 84, the shaft support seat 84 is rotatably connected to the surface of the rotating shaft 82, the other end of the footrest bracket 83 is detachably connected to the footrest 85, and limiting slide grooves 811 are also provided on both sides of the interior of the footrest base 81, and the end of the footrest bracket 83 and the interior of the limiting slide groove 811 are penetrated and connected with limiting bolts 86, one end of the limiting bolt 86 is provided with a first slider 861, and the first slider 861 can be slidably connected to the interior of the limiting slide groove 811 on one side, and the other end of the limiting bolt 86 passes through the footrest base 81 and is sequentially connected to a cam slider 87, a cam drive block 88 and an adjusting handle 89, and a second slider 871 is provided on one side of the cam slider 87, and the second slider 871 can The end of the limiting bolt 86 is fixedly locked to the adjusting handle 89 by the limiting nut 80. The first slider 861 and the second slider 871 are both fitted to the side of the footrest bracket 83. The braking system of the entire farmer's car adopts a hydraulic braking method. After this setting, the user's right foot controls the acceleration and braking of the farmer's car during driving, and the left foot needs to be placed at a suitable angle. The user can rotate the adjusting handle 89 according to his or her needs to drive the cam drive block 88 to rotate. Since the end faces of the cam drive block 88 and the cam slider 87 that contact each other have a certain movable range, the cam drive block 88 will rotate when it rotates within this movable range. After the limiting bolt 86 is rotated, the pressure of the first slider 861 on the side of the footrest bracket 83 will be reduced, and the pressure of the second slider 871 on the side of the footrest bracket 83 will also be reduced. At this time, the footrest bracket 83 can be adjusted. During the adjustment process, the rotating shaft support seat 84 and the rotating shaft 82 rotate, and the limiting bolt 86, the first slider 861 and the second slider 871 slide inside the limiting slide groove 811. After rotating to the specified angle, the adjusting handle 89 is rotated in the opposite direction to drive the cam drive block 88 to rotate, and the limiting bolt 86 will return to its original position, so that the first slider 861 and the second slider 871 are both pressed against the side of the footrest bracket 83, so that the user can place his feet on the surface of the footrest board 85.Moreover, since the footrest board 85 and the footrest board bracket 83 are detachable, it is also convenient for later cleaning. During the rotation of the adjustment handle 89, since the second slider 871 on the cam slider 87 is always stuck in the inner part of the limiting slide groove 811, no matter how the adjustment handle 89 is rotated, the limiting nut 80, the adjustment handle 89, the cam driving block 88 and the cam slider 87 cannot be completely separated from the surface of the limiting bolt 86. If you want to completely remove it, you can only rotate the limiting nut 80 first, and then remove the adjustment handle 89, the cam driving block 88 and the cam slider 87 in turn.

[0023] Working principle and use method of the present invention: When driving the farmer's cart, the driving shaft of the first driving motor 51 can drive the first differential 52 to move, and the first differential 52 will drive the first driving shafts 53 on both sides to rotate, and the first driving shaft 53 will drive the second driving shaft 54 ​​to rotate. When the second driving shaft 54 ​​rotates, the wheel assembly 4 will also move, and the first differential 52 can adjust the speed difference of the two first driving shafts 53 to ensure that the wheel assemblies 4 on both sides roll at the same speed. When the entire farmer's cart passes through a pothole section, the wheel assembly 4 can drive one end of each first shock-absorbing support rod 21 to rotate relative to the chassis support frame 11. During the rotation process, the first shock-absorbing support rod 21 is rotated. The shock absorber assembly 22 can reduce the vibration of the entire vehicle body. Whenever the wheel assembly 4 moves up and down, since the mating ends of the first drive shaft 53 and the second drive shaft 54 ​​are movable at multiple angles, the transmission of the second drive shaft 54 ​​by the first drive shaft 53 is not affected in this case. Similarly, the wheel assembly 4 can drive one end of each second shock absorbing support rod 31 to rotate relative to the chassis support frame 11. During the rotation, the second shock absorber assembly 32 can reduce the vibration of the entire vehicle body. At the same time, the drive shaft of the second drive motor 61 can drive the second differential 62 to move, and the second differential 62 can The third drive shaft 63 on both sides will be driven to rotate, and the third drive shaft 63 will drive the fourth drive shaft 64 to rotate. When the fourth drive shaft 64 rotates, the wheel assembly 4 will also move, and the second differential 62 can adjust the speed difference of the two third drive shafts 63 to ensure that the wheel assemblies 4 on both sides roll at the same speed. Whenever the wheel assembly 4 is affected by a pothole section and moves up and down, since the matching ends of the third drive shaft 63 and the fourth drive shaft 64 are movable at multiple angles, in this case, the transmission of the third drive shaft 63 to the fourth drive shaft 64 is not affected. When the direction needs to be adjusted, the steering wheel 75 can be rotated to The steering drive arm 74 is driven to rotate. When the steering drive arm 74 moves, it can drive the steering rocker arm 73 inside the integral steering gear 72 to slide left and right. When the steering rocker arm 73 slides left and right, it can drive the steering tie rod 76 to move left and right, so that the steering tie rod 76 can pull a wheel assembly 4 to swing. It should be noted that the steering tie rod 76 and the end of the steering rocker arm 73 are matched in a multi-angle rotatable manner, so that the wheel assembly 4 can be turned normally when encountering a bumpy road section. When facing a farmer's car or other vehicle that needs to be rescued, it is only necessary to use the electric winch 94 on the surface of the winch mounting seat 92 to drag it to help it get out of trouble.

[0024] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. An electric four-wheel drive farmer's vehicle, comprising a frame body (1), characterized in that: A first shock absorbing mechanism (2) is provided on one side of the vehicle frame body (1), and a second shock absorbing mechanism (3) is provided on the other side; the ends of the first shock absorbing mechanism (2) and the second shock absorbing mechanism (3) are respectively connected to a wheel assembly (4); a first driving mechanism (5) and a second driving mechanism (6) are provided inside the vehicle frame body (1) for driving the wheel assembly (4) at the ends of the first shock absorbing mechanism (2) and the second shock absorbing mechanism (3); a steering mechanism (7) for driving the wheel assembly (4) at the ends of the first shock absorbing mechanism (2) for steering and a footrest mechanism (8) for resting are also provided inside the vehicle frame body (1); a winch mechanism (9) is also connected to the side of the vehicle frame body (1) close to the first shock absorbing mechanism (2).

2. The electric four-wheel drive farmer's vehicle according to claim 1, characterized in that: The frame body (1) comprises a chassis support frame (11), a cockpit support frame (12) and a power supply compartment support frame (13); the chassis support frame (11) and the power supply compartment support frame (13) are composed of a plurality of polygonal metal profiles connected to each other; the first shock absorbing mechanism (2), the second shock absorbing mechanism (3), the first drive mechanism (5) and the second drive mechanism (6) are all connected to the chassis support frame (11); the cockpit support frame (12) is composed of a plurality of circular or arc-shaped metal profiles connected to each other; both side ends of the cockpit support frame (12) are connected to the chassis support frame (11); the power supply compartment support frame (13) is arranged in the middle of the chassis support frame (11); a plurality of power batteries (14) are arranged inside the power supply compartment support frame (13); and a plurality of seats (15) are arranged on the surface of the power supply compartment support frame (13).

3. The electric four-wheel drive farmer's vehicle according to claim 2, characterized in that: The first shock absorbing mechanism (2) comprises a plurality of first shock absorbing support rods (21) and a first shock absorber assembly (22); one end of the plurality of first shock absorbing support rods (21) converge and are connected to a wheel assembly (4); a first shock absorbing support block (23) is provided on the surface of at least one convergent end; the other ends of the plurality of first shock absorbing support rods (21) are rotatably connected to a chassis supporting frame (11); and the first shock absorber assembly (22) is rotatably connected between the top of the chassis supporting frame (11) and the surface of the first shock absorbing support block (23).

4. The electric four-wheel drive farmer's vehicle according to claim 3, characterized in that: The second shock absorbing mechanism (3) comprises a plurality of second shock absorbing support rods (31) and a second shock absorber assembly (32); one end of the plurality of second shock absorbing support rods (31) are converged and connected to a wheel assembly (4); a second shock absorbing support block (33) is provided on the surface of at least one converged end; the other ends of the plurality of second shock absorbing support rods (31) are rotatably connected to a chassis supporting frame (11); and a second shock absorber assembly (32) is rotatably connected between the top of the chassis supporting frame (11) and the surface of the second shock absorbing support block (33).

5. The electric four-wheel drive farmer's vehicle according to claim 4, characterized in that: The first drive mechanism (5) comprises a first drive motor (51), a first differential (52), a first drive shaft (53) and a second drive shaft (54); the first drive motor (51) is electrically connected to a plurality of power batteries (14); the drive shaft of the first drive motor (51) is connected to the first differential (52); both sides of the first differential (52) are drivingly connected to the first drive shaft (53); an end of the first drive shaft (53) is rotatably connected to one end of the second drive shaft (54); and the other end of the second drive shaft (54) is connected to a wheel assembly (4).

6. The electric four-wheel drive farmer's vehicle according to claim 5, characterized in that: The second drive mechanism (6) comprises a second drive motor (61), a third drive shaft (63) and a fourth drive shaft (64); the second drive motor (61) is electrically connected to a plurality of power batteries (14); the drive shaft of the second drive motor (61) is connected to a second differential (62); both sides of the second differential (62) are drivingly connected to the third drive shaft (63); an end of the third drive shaft (63) is rotatably connected to one end of a fourth drive shaft (64); and the other end of the fourth drive shaft (64) is connected to a wheel assembly (4).

7. The electric four-wheel drive farmer's vehicle according to claim 6, characterized in that: The steering mechanism (7) comprises a steering support block (71), an integral steering gear (72), a steering rocker arm (73), a steering drive arm (74), a steering wheel (75) and a steering tie rod (76). The steering support block (71) and the integral steering gear (72) are connected to the vehicle frame body (1). The interior of the steering support block (71) and the integral steering gear (72) is slidably connected to the steering rocker arm (73). The interior of the integral steering gear (72) is also connected to one end of the steering drive arm (74). When the steering drive arm (74) rotates, it can drive the steering rocker arm (73) to slide. The other end of the steering drive arm (74) is connected to the steering wheel (75). The ends of the steering rocker arms (73) are connected to steering tie rods (76). The steering tie rods (76) are respectively connected to one wheel assembly (4).

8. The electric four-wheel drive farmer's vehicle according to claim 7, characterized in that: The footrest mechanism (8) comprises a footrest base (81), a footrest bracket (83), a rotating shaft (82), a footrest plate (85), a limiting bolt (86), a cam slider (87), a cam drive block (88), a limiting nut (80) and an adjustment handle (89); a bottom end of the footrest base (81) is rotatably provided with a rotating shaft (82); one end of the footrest bracket (83) is provided with a rotating shaft support seat (84); the rotating shaft support seat (84) is rotatably connected to the surface of the rotating shaft (82); the other end of the footrest bracket (83) is detachably connected to the footrest plate (85); limiting slide grooves (811) are further provided on both sides of the interior of the footrest base (81); the ends of the footrest bracket (83) and the inner part of the limiting slide grooves (811) are connected to the bottom of the footrest base (81); A limiting bolt (86) is passed through the footrest base (81) and connected thereto. One end of the limiting bolt (86) is provided with a first slider (861), and the first slider (861) is slidably connected to the inside of a limiting slot (811) on one side. The other end of the limiting bolt (86) passes through the footrest base (81) and is sequentially connected to a cam slider (87), a cam drive block (88) and an adjustment handle (89). One side of the cam slider (87) is provided with a second slider (871), and the second slider (871) is slidably connected to the inside of the limiting slot (811). The end of the limiting bolt (86) is fixed and locked to the adjustment handle (89) by a limiting nut (80). The first slider (861) and the second slider (871) are both fitted to the side of the footrest bracket (83).

9. The electric four-wheel drive farmer's vehicle according to claim 8, characterized in that: The winch mechanism (9) comprises a winch support frame (91), a winch mounting seat (92), a metal hook (93) and an electric winch (94); the winch support frame (91) is connected to one side of a chassis support frame (11); the winch mounting seat (92) and the metal hook (93) are mounted on the winch support frame (91); and the electric winch (94) is mounted inside the winch mounting seat (92).

10. The electric four-wheel drive farmer's vehicle according to claim 9, characterized in that: The wheel assembly (4) comprises a metal wheel hub (41) and a rubber tire (42); the first shock-absorbing support rod (21) and the second shock-absorbing support rod (31) are rotatably connected to a metal wheel hub (41) via a first shock-absorbing support block (23) and a second shock-absorbing support block (33), respectively; and a rubber tire (42) is provided on the outside of each metal wheel hub (41).

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