Land leveler capable of automatically adjusting field leveling height

Abstract

The invention discloses a land leveler capable of automatically adjusting land leveling height in the field of agricultural mechanical equipment, which comprises a walking mechanism, a laser control system and a land leveling device, a height adjusting laser receiver (22) in the laser control system receives a signal sent by a laser emitter (24), after the signal is processed by a control processor (23), a first hydraulic cylinder (7) is controlled to drive a double-rocker structure, and the double-rocker structure is controlled to adjust the land leveling height. Adjusting the flat height; the angle adjusting laser receiver (21) receives a signal sent by the laser emitter (24), the signal is processed by the control processor (23), the second hydraulic cylinder (10) is controlled to drive the angle adjusting beam (12) to swing left and right, and the angle between the land leveling device and the ground is adjusted. The two laser receivers are adopted in the laser control system, and the angle and height of the flat ground can be adjusted at the same time.

Description

Technical Field

[0001] The invention relates to a land leveling device, in particular to a land leveling machine with automatic field height adjustment in the field of agricultural machinery and equipment. Background Art

[0002] Paddy field leveling is an important part of rice production. It can effectively improve the efficiency and uniformity of farmland irrigation without causing local flooding of seedlings. It can also improve fertilizer utilization and inhibit the growth of weeds.

[0003] The existing land levelers mounted on wheeled tractors can only adjust the leveling height. When the field surface is tilted, the land leveler also tilts, and the leveling angle cannot be adjusted, resulting in poor leveling effect and low work efficiency. In addition, there are problems such as poor passing performance, serious damage to the hard bottom layer, and excessive working width that is inconvenient to transfer. Summary of the invention

[0004] In view of the above problems, the present invention provides a land leveler with automatic adjustment of land leveling height, which can automatically adjust the land leveling angle and height at the same time, has good land leveling effect and high working efficiency, and has good passing performance.

[0005] The technical solution adopted by the present invention is: a land leveler with automatic adjustment of the leveling height, including a traveling mechanism, a laser control system and a land leveling device. The traveling mechanism includes a vehicle body, front wheels and rear wheels; the laser control system includes an angle laser receiver, a height laser receiver, a control processor and a laser transmitter; the land leveling device includes a first hydraulic cylinder, a second hydraulic cylinder, a third hydraulic cylinder, a double rocker mechanism, a frame, an angle adjustment beam, a main land leveling gear welding beam, a secondary land leveling gear welding beam and a land leveling gear, wherein the height adjustment laser receiver is located in the middle of the upper beam, receives the signal sent by the laser transmitter, and after being processed by the control processor, controls the first hydraulic cylinder 7 to drive the double rocker structure to adjust the land leveling height; the angle adjustment laser receiver is located on one side of the lower beam, receives the signal sent by the laser transmitter, and after being processed by the control processor, controls the second hydraulic cylinder to drive the angle adjustment beam to swing left and right to adjust the angle between the land leveling device and the ground.

[0006] Preferably, the double rocker mechanism is composed of a frame, a rocker 1, a rocker 2, and a connecting rod. The frame is welded to the vehicle body, one end of the rocker 1 and the rocker 2 is hinged to the two ends of the frame, the other ends of the rocker 1 and the rocker 2 are respectively hinged to the two ends of the connecting rod, the frame is welded to the connecting rod, the first hydraulic cylinder is hinged to the rocker 2, the driving rod of the first hydraulic cylinder is hinged to the frame, the second hydraulic cylinder is hinged to the frame, the driving rod of the second hydraulic cylinder is hinged to the angle adjustment beam, the third hydraulic cylinder is hinged to the frame, the driving rod of the third hydraulic cylinder is hinged to the main flat ground gear welding beam, the middle of the angle adjustment beam is rotatably connected to the frame, the main flat ground gear welding beam is hinged to the two ends of the angle adjustment beam, the auxiliary flat ground gear welding beam is respectively hinged to the two ends of the main flat ground gear welding beam, and the flat bottom gear is welded to the auxiliary flat ground gear welding beam and the main flat ground gear welding beam.

[0007] Preferably, the walking mechanism is simple, and the front and rear wheels are paddy field wheels, which have good passing performance, are convenient for field transfer, and cause little damage to the hard bottom layer.

[0008] Preferably, the third hydraulic cylinder drives the main ground leveling tooth welding beam to rotate to adjust the ground leveling tooth penetration angle.

[0009] Preferably, the leveling device is located at the front end of the walking device, so that the operator can observe the leveling operation at any time.

[0010] Preferably, the auxiliary ground-leveling tooth welding beam can be rotated and folded around one end of the main ground-leveling tooth welding beam 13 to reduce the width and facilitate field transfer.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: two laser receivers are used to collect signals and then process them through a control processor, thereby controlling the first hydraulic cylinder and the second hydraulic cylinder to simultaneously adjust the angle and height of the leveling ground, and the height and angle of the leveling ground can be accurately adjusted, the leveling effect is good, the work efficiency is high, and the labor intensity is reduced; the walking mechanism has a simple structure, and the paddy field wheels have good passing performance and little damage to the hard bottom layer; the auxiliary leveling tooth welded beam can be rotated and folded, and the field transfer is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 is a side schematic view of the present invention; Figure 3 yes Figure 2 A magnified image of point A; Figure 4 It is a structural schematic diagram of the angle adjustment beam of the present invention; In the figure, 1 is the vehicle body; 2 is the front wheel; 3 is the rear wheel; 4 is the first connecting rod; 5 is the third connecting rod; 6 is the second connecting rod; 7 is the first hydraulic cylinder; 8 is the fourth connecting rod; 9 is the frame; 10 is the second hydraulic cylinder; 11 is the third hydraulic cylinder; 12 is the angle adjustment beam; 13 is the main ground gear welding beam; 14 is the auxiliary ground gear welding beam; 15 is the ground gear; 16 is the connecting plate; 17 is the upper cross beam; 18 is the rotating pin; 19 is the lower cross beam; 20 is the connecting ear; 21 is the angle adjustment laser receiver; 22 is the height adjustment laser receiver; 23 is the control processor; 24 is the laser transmitter. DETAILED DESCRIPTION

[0013] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0014] like Figures 1 to 4 As shown, a land leveling machine with automatic adjustment of land leveling height includes a traveling mechanism, a laser control system and a land leveling device. The traveling mechanism includes a vehicle body 1, a front wheel 2, and a rear wheel 3; the laser control system includes an angle laser receiver 21, a height laser receiver 22, a control processor 23, and a laser transmitter 24; the land leveling device includes a first hydraulic cylinder 7, a second hydraulic cylinder 10, a third hydraulic cylinder 11, a double rocker mechanism, a frame 9, an angle adjustment beam 12, a main land leveling gear welding beam 13, a secondary land leveling gear welding beam 14, and a land leveling gear 15, wherein the double rocker mechanism is composed of a frame 4, a rocker 1 5, a rocker 2 6, and a connecting rod 8. The frame 4 is welded to the vehicle body 1, one end of the rocker arm 1 5 and the rocker arm 2 6 is hinged to the two ends of the frame 4, the other ends of the rocker arm 1 5 and the rocker arm 2 6 are respectively hinged to the two ends of the connecting rod 8, the frame 9 is welded to the connecting rod 8, the first hydraulic cylinder 7 is hinged to the rocker arm 2 6, the driving rod of the first hydraulic cylinder 7 is hinged to the frame 9, the second hydraulic cylinder 10 is hinged to the frame 9, the driving rod of the second hydraulic cylinder 10 is hinged to the angle adjustment beam 12, the third hydraulic cylinder 11 is hinged to the frame 9, the driving rod of the third hydraulic cylinder 11 is hinged to the main flat ground gear welding beam 13, the middle of the angle adjustment beam 12 is rotatably connected to the frame 9, the main flat ground gear welding beam 13 is hinged to the two ends of the angle adjustment beam 12, the auxiliary flat ground gear welding beam 14 is respectively hinged to the two ends of the main flat ground gear welding beam 13, and the flat bottom gear 15 is welded to the auxiliary flat ground gear welding beam 14 and the main flat ground gear welding beam 13.

[0015] The walking mechanism is simple, and the front wheel 2 and the rear wheel 3 are paddy field wheels, which have good passing performance, are convenient for field transfer, and have little damage to the hard bottom layer.

[0016] The height adjustment laser receiver 22 is located in the middle of the upper cross beam 17, receives the signal from the laser transmitter 24, and after being processed by the control processor 23, controls the first hydraulic cylinder 7 to drive the double rocker structure to adjust the level ground height.

[0017] The angle adjustment laser receiver 21 is located on one side of the lower beam 19, receives the signal from the laser transmitter 24, and after being processed by the control processor 23, controls the second hydraulic cylinder 10 to drive the angle adjustment beam 12 to swing left and right to adjust the angle between the leveling device and the ground.

[0018] The third hydraulic cylinder 11 drives the main ground leveling teeth welding beam 13 to rotate, so as to adjust the ground leveling teeth 15 entering the soil at an angle.

[0019] The ground leveling device is located at the front end of the traveling device, which is convenient for the operator to observe the ground leveling operation at any time.

[0020] The auxiliary ground-leveling tooth welding beam 14 can be rotated and folded around one end of the main ground-leveling tooth welding beam 13 to reduce the width and facilitate field transfer.

[0021] Working process of the present invention: before operation, the operator controls the first hydraulic cylinder 7 to drive the double rocker structure composed of the frame 4, the first rocker 5, the second rocker 6 and the connecting rod 8 to raise the leveling device. After entering the field, the operator controls the first hydraulic cylinder 7 to lower the height of the leveling device. When approaching the field surface, the third hydraulic cylinder 11 is controlled to drive the main leveling gear welding beam 13 to rotate, and adjust the angle of the leveling gear 15 to be inserted into the soil, so that the leveling gear 15 is inserted perpendicular to the field surface. During the field leveling process, the automatic adjustment function is turned on, and the angle adjustment laser receiver 21 and the height adjustment laser receiver 22 simultaneously receive the signal sent by the laser transmitter 24. After being processed by the control processor 23, the first hydraulic cylinder 7 and the second hydraulic cylinder 10 are controlled to adjust the leveling angle and height at the same time to complete the land leveling operation. After the field leveling is completed, the automatic adjustment function is turned off, and the operator controls the first hydraulic cylinder 7 to raise the leveling device, and rotates and folds the auxiliary leveling gear welding beams 14 at both ends around the main leveling gear welding beam 13, and then completes the transfer of the leveler.

[0022] The above shows and describes the basic principles and main features and advantages of the present invention. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A land leveler with automatic adjustment of field height, characterized in that: The invention comprises a walking mechanism, a laser control system and a ground leveling device, wherein the walking mechanism comprises a vehicle body (1), a front wheel (2) and a rear wheel (3); the laser control system comprises an angle adjustment laser receiver (21), a height adjustment laser receiver (22), a control processor (23) and a laser transmitter (24); the ground leveling device comprises a first hydraulic cylinder (7), a second hydraulic cylinder (10), a third hydraulic cylinder (11), a double rocker mechanism, a frame (9), an angle adjustment beam (12), a main ground leveling gear welding beam (13), a secondary ground leveling gear welding beam (14) and a ground leveling gear (15), wherein the height adjustment laser receiver (22) receives a signal sent by the laser transmitter (24), controls the first hydraulic cylinder (7) to drive the double rocker structure after being processed by the control processor (23) to adjust the ground leveling height; and the angle adjustment laser receiver (21) receives a signal sent by the laser transmitter (24), controls the second hydraulic cylinder (10) to drive the angle adjustment beam (12) to swing left and right after being processed by the control processor (23) to adjust the angle between the ground leveling device and the ground.

2. The automatic leveling machine for adjusting the height of a flat field according to claim 1, characterized in that: The double rocker mechanism is composed of a frame (4), a rocker arm 1 (5), a rocker arm 2 (6), and a connecting rod (8). The frame (4) and the vehicle body (1) are welded together. One end of the rocker arm 1 (5) and the rocker arm 2 (6) are respectively hinged to two ends of the frame (4). The other ends of the rocker arm 1 (5) and the rocker arm 2 (6) are respectively hinged to two ends of the connecting rod (8). The frame (9) and the connecting rod (8) are welded together. The first hydraulic cylinder (7) is hinged to the rocker arm 2 (6). The driving rod of the first hydraulic cylinder (7) is hinged to the frame (9). The second hydraulic cylinder (10) is hinged to the frame (9). The driving rod of the second hydraulic cylinder (10) is hinged to the angle adjustment beam (12), the third hydraulic cylinder (11) is hinged to the frame (9), the driving rod of the third hydraulic cylinder (11) is hinged to the main flat ground gear welding beam (13), the middle of the angle adjustment beam (12) is rotatably connected to the frame (9), the main flat ground gear welding beam (13) is hinged to both ends of the angle adjustment beam (12), the auxiliary flat ground gear welding beam (14) is respectively hinged to both ends of the main flat ground gear welding beam (13), and the flat bottom gear (15) is welded to the auxiliary flat ground gear welding beam (14) and the main flat ground gear welding beam (13).

3. The automatic leveling machine for adjusting the height of a field according to claim 1, characterized in that: The front wheels (2) and rear wheels (3) of the walking mechanism are paddy field wheels.

4. The automatic leveling machine for adjusting the height of a field according to claim 1, characterized in that: The third hydraulic cylinder (11) drives the main leveling tooth welding beam (13) to rotate, thereby adjusting the angle at which the leveling tooth (15) penetrates into the soil.

5. The automatic leveling machine for adjusting the height of a field according to claim 1, characterized in that: The ground leveling device is located at the front end of the traveling device.

6. The automatic leveling machine for adjusting the height of a field according to claim 1, characterized in that: The auxiliary ground-leveling gear welding beam (14) can be rotated and folded around one end of the main ground-leveling gear welding beam (13).

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