Ride-on four-wheel drive mini-tiller

Abstract

The utility model provides a kind of ride type four-wheel drive mini-cultivator, belong to micro-cultivator technical field.It solves the problem that existing four-wheel drive mini-cultivator is hit when steering rear mudguard is followed by rotating and is stepped on the foot on pedal, and safety is poorer.The ride type four-wheel drive mini-cultivator, including frame, front gearbox being arranged on frame and rear gearbox being transmissionally connected with front gearbox, rear gearbox is hinged on frame and can rotate in horizontal direction relative to frame, seat is fixed on rear gearbox, axle driven by rear gearbox is installed with tillage implement or traveling wheel, the upper of this tillage implement or traveling wheel is equipped with rear mudguard, rear mudguard is fixed on frame / front gearbox.Rear mudguard will not be followed by rotating when steering, foot stepped on foot pedal will not be hit by rear mudguard, and safety is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the micro ploughing machine technical field relates to a riding type four drive micro ploughing machine. BACKGROUND

[0002] The micro ploughing machine has the characteristics of light weight, small size, simple structure and is widely used in dry land, paddy field, orchard and the like in plain, mountainous area and hilly area. The user group of the micro ploughing machine is mainly farmers, and the micro ploughing machine is often used in mountainous area and hilly area, so it is necessary to consider low price, light weight and small size. Therefore, the micro ploughing machine is mainly hand-held type micro ploughing machine, but this type of micro ploughing machine has high requirements for the operator and relatively large operation difficulty. The operator needs to hold the handlebar and apply force downward during the ploughing process, and the operator needs to operate through the handlebar during turning, so the labor intensity of the operator is very large.

[0003] Therefore, a four-wheel micro ploughing device is disclosed in Chinese patent [authorized publication number CN218868634U], which comprises a front gearbox, a rear gearbox, a front axle, a rear axle, a ploughing machine and a running wheel. The power output end of the power assembly is in transmission connection with the front gearbox, the front gearbox is in transmission connection with the rear gearbox through a steering transmission part, the power output of the front gearbox drives the front axle, and the power output of the rear gearbox drives the rear axle. The front axle or the rear axle can detachably install the ploughing machine or the running wheel.

[0004] The rear gearbox of the above-mentioned ploughing device is provided with a hinged connection part between the housings of the front gearbox and the rear gearbox, and the rear gearbox can rotate in the horizontal direction relative to the front gearbox. Mudguards are installed on both sides of the rear gearbox. When turning, the connecting shaft rotates to drive the connecting rod to swing, and the rear gearbox is driven to rotate in the horizontal direction through the pull rod. In this process, the mudguards will also move together. The front movement of the mudguards will hit the foot stepping on the pedal, and the safety is poor. UTILITY MODEL CONTENTS

[0005] The utility model aims at the above-mentioned problems existing in the prior art and provides a riding type four drive micro ploughing machine with high safety.

[0006] The utility model can be realized by the following technical scheme:

[0007] The riding type four drive micro ploughing machine comprises a vehicle frame, a front gearbox arranged on the vehicle frame and a rear gearbox in transmission connection with the front gearbox. The rear gearbox is hinged on the vehicle frame and can rotate in the horizontal direction relative to the vehicle frame. A seat is fixedly arranged on the rear gearbox. A ploughing machine or a running wheel is arranged on the axle driven by the rear gearbox. A rear mudguard is arranged above the ploughing machine or the running wheel. The rear mudguard is fixedly arranged on the vehicle frame / the front gearbox. The rear mudguard is fixedly arranged on the vehicle frame / the front gearbox, and the rear mudguard will not rotate with the rear gearbox when turning. The foot stepping on the pedal will not be hit by the rear mudguard, and the safety is high.

[0008] In the above-mentioned riding four-wheel drive mini-cultivator, a support plate extending rearward is fixed on the front gearbox, a frame above the rear gearbox is fixed on the support plate, the rear fender is fixed on the frame, a connecting seat extending upward from the frame is fixed on the rear gearbox, and the seat is fixed on the connecting seat. The frame facilitates the installation of the rear fender and ensures that the rear fender is fixed relative to the front gearbox.

[0009] In the above-mentioned riding four-wheel drive mini-cultivator, the rear gearbox is rotatably connected to the frame by a first vertical shaft, the connecting seat is rotatably connected to the support plate by a second vertical shaft, and the first vertical shaft is coaxial with the second vertical shaft.

[0010] The stability during steering is effectively improved, and the front and rear tilting of the rear gearbox is avoided.

[0011] In the above-mentioned riding four-wheel drive mini-cultivator, an upward extending support column is arranged on the frame, and the upper end of the support column is fixed to the support plate. The support column improves the stability of the support plate.

[0012] In the above-mentioned riding four-wheel drive mini-cultivator, the rear output shaft of the front gearbox is connected to the input shaft of the rear gearbox through a transmission shaft, the front end of the transmission shaft is connected to the rear output shaft of the front gearbox through a first universal joint, and the rear end of the transmission shaft is connected to the input shaft of the rear gearbox through a second universal joint.

[0013] In the above-mentioned riding four-wheel drive mini-cultivator, the support column is two and arranged on both sides of the transmission shaft.

[0014] In the above-mentioned riding four-wheel drive mini-cultivator, a connecting shaft driven by the steering wheel is rotatably arranged on the front gearbox, one end of the connecting shaft is fixed with a connecting rod, the free end of the connecting rod is rotatably connected with a pull rod, and the other end of the pull rod is rotatably connected with the connecting seat. The connecting shaft extends horizontally in the left-right direction and is connected to the steering wheel shaft through a gear transmission. During steering, the steering wheel drives the connecting shaft to rotate, the connecting shaft drives the connecting rod to swing, and the connecting seat and the rear gearbox are driven to rotate in the horizontal direction through the pull rod, thereby realizing steering. In this process, the rear fender does not move together, and the safety is high.

[0015] In the above-mentioned riding four-wheel drive mini-cultivator, a pedal is fixed on the frame, and the front end of the rear fender is fixed on the pedal.

[0016] Compared with the prior art, the riding four-wheel drive mini-cultivator has the following advantages:

[0017] Because the rear fender is fixed relative to the frame, it will not rotate with the rear gearbox when turning, and the foot on the pedal will not be impacted by the rear fender, resulting in high safety; the overall structure is reasonably designed, easy to assemble, and has good connection stability. Attached Figure Description

[0018] Figure 1 This is a structural diagram of a ride-on four-wheel drive mini-tiller.

[0019] Figure 2 This is a schematic diagram of a ride-on four-wheel drive mini-tiller without mudguards and turning right.

[0020] Figure 3 This is a structural diagram of a ride-on four-wheel drive mini-tiller without mudguards.

[0021] Figure 4 This is a schematic diagram of a four-wheel drive mini-tiller with mudguards removed and turning left.

[0022] Figure 5 This is a side view of a ride-on four-wheel drive mini-tiller without mudguards and turning right.

[0023] In the diagram, 1. Frame; 2. Front gearbox; 3. Rear gearbox; 4. Seat; 5. Wheels; 6. Rear mudguard; 7. Support plate; 8. Frame; 9. Connecting seat; 10. First pivot; 11. Second pivot; 12. Strut; 13. Drive shaft; 14. Connecting shaft; 15. Linkage rod; 16. Tie rod; 17. Pedal. Detailed Implementation

[0024] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0025] like Figure 1 The illustrated four-wheel drive mini-tiller includes a frame 1, a powertrain mounted on the frame 1, a front gearbox 2 driven by the powertrain, and a rear gearbox 3 connected to the front gearbox 2. To achieve the transmission connection, as... Figure 5 As shown, the rearward output shaft of the front gearbox 2 is connected to the input shaft of the rear gearbox 3 via a drive shaft 13. The front end of the drive shaft 13 is connected to the rearward output shaft of the front gearbox 2 via a first universal joint, and the rear end of the drive shaft 13 is connected to the input shaft of the rear gearbox 3 via a second universal joint.

[0026] In this embodiment, a traveling wheel 5 is provided on the downward-facing output shaft of the front gearbox 2, and a traveling wheel 5 is also installed on the axle driven by the rear gearbox 3. In other embodiments, tillage implements can be installed on the downward-facing output shaft of the front gearbox 2.

[0027] like Figures 2-5As shown, the front gearbox 2 is fixed with a rearward extending support plate 7, the support plate 7 is fixed with a frame 8 above the rear gearbox 3, the frame 8 is fixed with the rear mudguard 6, the rear gearbox 3 is fixed with a connecting seat 9 extending out of the frame 8, the seat 4 is fixed on the connecting seat 9, and the rear mudguard 6 is fixed relative to the front gearbox 2. Figure 1 As shown, the pedal 17 is fixed on the frame 1, and the front end of the rear mudguard 6 is fixed with the pedal 17.

[0028] In order to support the support plate 7, as shown, Figures 2-5 As shown, two upward extending support columns 12 are arranged on the frame 1, and the two support columns 12 are respectively arranged on the left and right sides of the transmission shaft 13, and the upper ends of the support columns 12 are fixed with the support plate 7, so as to improve the stability of the support plate 7.

[0029] As shown, Figures 2-4 The rear gearbox 3 is rotatably connected with the frame 1 through a vertically arranged first rotating shaft 10, the connecting seat 9 is rotatably connected with the support plate 7 through a vertically arranged second rotating shaft 11, the first rotating shaft 10 and the second rotating shaft 11 are coaxially arranged, so that the rear gearbox 3 can rotate relative to the frame 1 in the horizontal direction, and the rear mudguard 6 will not rotate with the rear gearbox 3 when steering, and the foot on the pedal 17 will not be hit by the rear mudguard 6, so the safety is high.

[0030] In order to realize steering, as shown, Figures 1-5 A connecting shaft 14 driven by a steering wheel is rotatably arranged on the front gearbox 2, one end of the connecting shaft 14 is fixed with a connecting rod 15, a free end of the connecting rod 15 is rotatably connected with a pull rod 16, and the other end of the pull rod 16 is rotatably connected with the connecting seat 9.

[0031] The connecting shaft 14 extends horizontally in the left-right direction and is connected with the steering wheel shaft through gear transmission, when steering, the steering wheel drives the connecting shaft 14 to rotate, the connecting shaft 14 drives the connecting rod 15 to swing, and the connecting seat 9 and the rear gearbox 3 are driven to rotate in the horizontal direction through the pull rod 16, so as to realize steering. In this process, the rear mudguard 6 will not be driven to move, so the safety is high.

[0032] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

Claims

1. A ride-on four-wheel drive mini-tiller characterized by comprising: The utility model relates to a vehicle frame, which comprises a frame (1), a front gearbox (2) arranged on the frame (1) and a rear gearbox (3) in transmission connection with the front gearbox (2), wherein the rear gearbox (3) is hinged on the frame (1) and can rotate in the horizontal direction relative to the frame (1), a seat (4) is fixed on the rear gearbox (3), a tillage implement or a walking wheel (5) is arranged on the wheel shaft driven by the rear gearbox (3), a rear fender (6) is arranged above the tillage implement or the walking wheel (5), and the rear fender (6) is fixed on the frame (1) / front gearbox (2).

2. The ride-on four-wheel drive mini-tiller of claim 1, wherein, A support plate (7) extending rearward is fixed on the front gearbox (2), a frame (8) above the rear gearbox (3) is fixed on the support plate (7), the rear fender (6) is fixed on the frame (8), a connecting seat (9) extending upward out of the frame (8) is fixed on the rear gearbox (3), and the seat (4) is fixed on the connecting seat (9).

3. The ride-on four-wheel drive mini-tiller of claim 2, wherein, The rear gearbox (3) is in rotational cooperation with the frame (1) through a first vertical rotating shaft (10), the connecting seat (9) is in rotational cooperation with the support plate (7) through a second vertical rotating shaft (11), and the first rotating shaft (10) and the second rotating shaft (11) are coaxially arranged.

4. The ride-on four-wheel drive mini-tiller of claim 2, wherein, An upward extending support column (12) is arranged on the frame (1), and the upper end of the support column (12) is fixed on the support plate (7).

5. The ride-on four-wheel drive mini-tiller of claim 4, wherein, The rear output shaft of the front gearbox (2) is in transmission connection with the input shaft of the rear gearbox (3) through a transmission shaft (13), the front end of the transmission shaft (13) is connected with the rear output shaft of the front gearbox (2) through a first universal joint, and the rear end of the transmission shaft (13) is connected with the input shaft of the rear gearbox (3) through a second universal joint.

6. The ride-on four-wheel drive mini-tiller of claim 5, wherein, The support column (12) is two and arranged on both sides of the transmission shaft (13) respectively.

7. The ride-on four-wheel drive mini-tiller of claim 2, wherein, A connecting shaft (14) driven by a steering wheel is rotatably arranged on the front gearbox (2), one end of the connecting shaft (14) is fixed with a connecting rod (15), the free end of the connecting rod (15) is rotatably connected with a pull rod (16), and the other end of the pull rod (16) is rotatably connected with the connecting seat (9).

8. The ride-on four-wheel drive mini-tiller of claim 1, wherein, A pedal (17) is fixed on the frame (1), and the front end of the rear fender (6) is fixed on the pedal (17).

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