阅读说明：本技术 一种立式自动避障除草机 (Vertical automatic obstacle-avoiding weeding machine ) 是由 王业勤 邓怡国 李江炎 张园 陈沛民 燕波 于 2019-11-21 设计创作，主要内容包括：本发明公开了一种立式自动避障除草机,包括扶草装置、连接拖拉机加固杆、变速箱支撑架、液压缸、第一安装轴杆、第二安装轴杆和拖拉机机架,所述扶草装置的后端与主割草保护罩相连接,且主割草保护罩的上方安装有变速箱支撑架,并且变速箱支撑架的上方安装有变速箱本体,所述变速箱本体的左右两端焊接有连接拖拉机加固杆,且变速箱本体的底端连接有输出皮带轮,并且输出皮带轮的外侧连接有第一皮带主体和第二皮带主体,所述第一皮带主体的下方设置有第二皮带主体。该立式自动避障除草机,由于避障刀片、第一刀片和第二刀片是一直处于旋转工作状态,因此在避障的过程中整个除草机可一直对障碍物周边的杂草进行除杂草工作。(The invention discloses a vertical type automatic obstacle avoidance weeding machine which comprises a grass supporting device, a connecting tractor reinforcing rod, a gearbox supporting frame, a hydraulic cylinder, a first mounting shaft rod, a second mounting shaft rod and a tractor frame, wherein the rear end of the grass supporting device is connected with a main mowing protection cover, the gearbox supporting frame is mounted above the main mowing protection cover, a gearbox body is mounted above the gearbox supporting frame, the connecting tractor reinforcing rod is welded at the left end and the right end of the gearbox body, an output belt pulley is connected to the bottom end of the gearbox body, a first belt main body and a second belt main body are connected to the outer side of the output belt pulley, and a second belt main body is arranged below the first belt main body. According to the vertical automatic obstacle avoidance weeding machine, the obstacle avoidance blade, the first blade and the second blade are always in a rotating working state, so that the whole weeding machine can always perform weed removing work on weeds around an obstacle in the obstacle avoidance process.)

1. The utility model provides a vertical automatic obstacle-avoiding weeder, includes holds up grass device (1), connects tractor anchor strut (2), gearbox support frame (4), pneumatic cylinder (9), first installation axostylus axostyle (27), second installation axostylus axostyle (28) and tractor frame (29), its characterized in that: the rear end of the grass supporting device (1) is connected with a main grass mowing protection cover (25), a gearbox support frame (4) is installed above the main grass mowing protection cover (25), a gearbox body (3) is installed above the gearbox support frame (4), connecting tractor reinforcing rods (2) are welded at the left end and the right end of the gearbox body (3), the bottom end of the gearbox body (3) is connected with an output belt pulley (20), the outer side of the output belt pulley (20) is connected with a first belt main body (6) and a second belt main body (8), a second belt main body (8) is arranged below the first belt main body (6), a first grass mowing belt pulley (5) is installed at the left end of the first belt main body (6), a first belt tensioning device (7) is connected inside the first belt main body (6), a third grass mowing belt pulley (18) is connected inside the right end of the second belt main body (8), a third belt (10) is connected to the outer side of the third mowing belt wheel (18), a second mowing belt wheel (14) is connected to the left end of the third belt (10) inside, a second belt tensioning device (19) is installed inside the second belt body (8), the bottom end of the second belt tensioning device (19) is connected with a main mowing protection cover (25), the bottom end of the second mowing belt wheel (14) is connected with an obstacle avoidance connecting device (11), the bottom end of the left end of the obstacle avoidance connecting device (11) is connected with an obstacle avoidance safety cover (26) through a flange plate (15), a pressure transmission and support rod (17) is installed above the second mowing belt wheel (14), a stress stop rod (13) is fixed to the left end of the pressure transmission and support rod (17), and a pressure sensing device (12) is installed above the right end of the pressure transmission and support rod (17), the bottom end of the stress stop lever (13) is connected with an elastic telescopic rod (16) through a movable pin, and the bottom end of the elastic telescopic rod (16) is fixed with a main mowing protection cover (25), the rear side surface of the obstacle avoidance connecting device (11) is connected with the hydraulic cylinder (9) through a movable pin, a main mowing protection cover (25) is fixed below the right end of the hydraulic cylinder (9), an obstacle avoidance blade (24) is arranged below the obstacle avoidance safety cover (26), the bottom end of the second mounting shaft lever (28) penetrates through the main mowing protection cover (25) to be connected with the second blade (23), the bottom end of the first mounting shaft rod (27) penetrates through the main mowing protection cover (25) to be connected with the first blade (22), the front side surface of the main grass cutting protective cover (25) is connected with a grass pressing roller (21), the connecting tractor reinforcing rod (2) is connected with a tractor frame (29).

2. The vertical automatic obstacle-avoiding weeding machine according to claim 1, wherein: the inside bottom bearing of gearbox body (3) is connected with transmission axostylus axostyle (31), and the outside key joint in bottom of transmission axostylus axostyle (31) has output belt pulley (20) to the vertical central line of transmission axostylus axostyle (31) and the vertical central line coincidence of gearbox body (3).

3. The vertical automatic obstacle-avoiding weeding machine according to claim 1, wherein: the transverse center line of the first mowing belt pulley (5) is parallel to the transverse center line of the third mowing belt pulley (18), the center connecting lines of the first mowing belt pulley (5), the third mowing belt pulley (18) and the output belt pulley (20) form a triangular structure, and the highest point of the first mowing belt pulley (5) is higher than that of the third mowing belt pulley (18).

4. The vertical automatic obstacle-avoiding weeding machine according to claim 1, wherein: the first belt tensioner (7) is flush with the output pulley (20) and there is a gap between the first belt tensioner (7) and the second belt body (8).

5. The vertical automatic obstacle-avoiding weeding machine according to claim 1, wherein: the obstacle avoidance connecting device (11) and the main mowing protection cover (25) form a rotating structure through a second mounting shaft lever (28) and a hydraulic cylinder (9), and the rotating angle range of the obstacle avoidance connecting device (11) is 0-45 degrees.

6. The vertical automatic obstacle-avoiding weeding machine according to claim 1, wherein: the stress stop lever (13) is of an arc-shaped structure, the arc length of the stress stop lever (13) is greater than one half of the perimeter of the obstacle avoidance safety cover (26), and the stress stop lever (13) and the pressure transmission and support rod (17) are of an integrated structure.

7. The vertical automatic obstacle-avoiding weeding machine according to claim 1, wherein: the highest point of the grass pressing roller (21) is higher than the main grass cutting protective cover (25), the foremost end of the main grass cutting protective cover (25) is suspended forwards in the direction of being connected with the tractor by 2-3m, and the length of the grass pressing roller (21) is equivalent to the horizontal length of the front end of the main grass cutting protective cover (25).

8. The vertical automatic obstacle-avoiding weeding machine according to claim 1, wherein: the transverse center line of the first blade (22) and the transverse center line of the second blade (23) are not on the same straight line, and the first blade (22) and the second blade (23) are made of the same material.

9. The vertical automatic obstacle-avoiding weeding machine according to claim 1, wherein: keep away barrier safety cover (26) and be circular column structure, and keep away barrier safety cover (26) and constitute revolution mechanic through keeping away barrier connecting device (11) and main safety cover (25) of mowing.

Technical Field

The invention relates to the technical field of weeding machines, in particular to a vertical type automatic obstacle avoidance weeding machine.

Background

In the process of natural rubber planting and management, weeds compete with rubber for nutrients, sunlight, water and growth space, so that the weeds hinder rubber growth and directly cause glue yield reduction, and the removal of the weeds is necessary for maintaining the economic benefit of glue farmers, and currently, pesticides are adopted to remove the weeds in the market, but the use of a large amount of pesticides can cause many adverse effects such as chemical drug residues, weed mutation (drug resistance) and the like, so that a mechanical weeding machine is required to be used, but the mechanical weeding machine in the market has some defects, such as:

when the front of the traditional weeding machine encounters an obstacle in the running process, the traditional weeding machine can automatically avoid the obstacle, so that mechanical operation can not be performed on weeds close to a glue tree part, and later-period workers are required to manually weed the weeds close to the glue tree part, so that the workload of the workers is increased;

therefore, we propose a vertical type automatic obstacle-avoiding weeding machine so as to solve the problems mentioned above.

Disclosure of Invention

The invention aims to provide a vertical type automatic obstacle avoidance weeding machine, which solves the problem that the traditional weeding machine in the market can not weed the weeds close to the glue tree part when automatically avoiding the obstacles.

In order to achieve the purpose, the invention provides the following technical scheme: a vertical type automatic obstacle avoidance weeding machine comprises a grass supporting device, a connecting tractor reinforcing rod, a gearbox supporting frame, a hydraulic cylinder, a first mounting shaft rod, a second mounting shaft rod and a tractor frame, wherein the rear end of the grass supporting device is connected with a main mowing protective cover, the gearbox supporting frame is mounted above the main mowing protective cover, a gearbox body is mounted above the gearbox supporting frame, the connecting tractor reinforcing rod is welded at the left end and the right end of the gearbox body, an output belt pulley is connected to the bottom end of the gearbox body, a first belt main body and a second belt main body are connected to the outer side of the output belt pulley, a second belt main body is arranged below the first belt main body, a first mowing belt pulley is mounted inside the left end of the first belt main body, a first belt tensioning device is connected inside the first belt main body, and a third mowing belt pulley is connected inside the right end of the second belt main body, a third belt is connected to the outer side of the third mowing belt wheel, a second mowing belt wheel is connected to the left end of the third belt, a second belt tensioning device is installed inside the second belt body, the bottom end of the second belt tensioning device is connected with a main mowing protection cover, the bottom end of the second mowing belt wheel is connected with an obstacle avoidance connecting device, the bottom end of the left end of the obstacle avoidance connecting device is connected with the obstacle avoidance safety cover through a flange, a pressure transmission and support rod is installed above the second mowing belt wheel, a stress stop lever is fixed to the left end of the pressure transmission and support rod, a pressure sensing device is installed above the right end of the pressure transmission and support rod, the bottom end of the stress stop lever is connected with an elastic telescopic rod through a movable pin, the main mowing protection cover is fixed to the bottom end of the elastic telescopic rod, and the rear side face of the obstacle avoidance connecting device is connected with a hydraulic cylinder through a movable pin, and the right-hand member below of pneumatic cylinder is fixed with main safety cover of mowing, keep away the below of barrier safety cover and install and keep away the barrier blade, the bottom of second installation axostylus axostyle runs through main safety cover of mowing and is connected with the second blade, the bottom of first installation axostylus axostyle runs through main safety cover of mowing and is connected with first blade, and the leading flank of main safety cover of mowing is connected with the gyro wheel of pressing grass, connect the tractor stiffener and be connected with the tractor frame.

Preferably, the inside bottom bearing of gearbox body is connected with the transmission axostylus axostyle, and the bottom outside key-type of transmission axostylus axostyle is connected with the output belt pulley to the vertical central line of transmission axostylus axostyle and the vertical central line coincidence of gearbox body.

Preferably, the transverse center line of the first mowing pulley and the transverse center line of the third mowing pulley are parallel to each other, the central connecting lines of the first mowing pulley, the third mowing pulley and the output pulley form a triangular structure, and the highest point of the first mowing pulley is higher than that of the third mowing pulley.

Preferably, the first belt tensioner is flush with the output pulley and there is a gap between the first belt tensioner and the second belt body.

Preferably, the obstacle avoidance connecting device and the main mowing protection cover form a rotating structure through a second mounting shaft rod and a hydraulic cylinder, and the rotating angle range of the obstacle avoidance connecting device is 0-45 degrees.

Preferably, the stress stop lever is of an arc-shaped structure, the arc length of the stress stop lever is greater than one half of the perimeter of the obstacle avoidance safety cover, and the stress stop lever, the pressure transmission and support rod are of an integrated structure.

Preferably, the highest point of the grass pressing roller is higher than that of the main grass-mowing protection cover, the foremost end of the main grass-mowing protection cover is suspended forwards in the direction of connecting with the tractor by 2-3m, and the length of the grass pressing roller is equivalent to the horizontal length of the front end of the main grass-mowing protection cover.

Preferably, the transverse center line of the first blade and the transverse center line of the second blade are not on the same straight line, and the first blade and the second blade are made of the same material.

Preferably, keep away barrier safety guard and be circular column structure, and keep away barrier safety guard and constitute revolution mechanic through keeping away barrier connecting device and main safety cover of mowing.

Compared with the prior art, the invention has the beneficial effects that: the vertical automatic obstacle avoidance weeding machine;

(1) the obstacle avoidance safety cover is provided with a stressed stop rod which is of an arc-shaped structure, the stressed stop rod is fixedly connected with an obstacle avoidance connecting device through pressure transmission and a supporting rod, the stressed stop rod is connected with an elastic telescopic rod through a movable pin, and the obstacle avoidance connecting device can rotate circumferentially around a second installation shaft rod in a third mowing belt pulley through a hydraulic cylinder, so that the obstacle avoidance safety cover and the obstacle avoidance blade can be driven by the obstacle avoidance connecting device to rotate to avoid obstacles;

(2) the machine introduces an automatic sensing technology into the structure of the weeding machine, and realizes automatic obstacle avoidance and weeding; in addition, the machine is easy to disassemble and assemble, low in cost and convenient to use, the small-sized crawler tractor is matched with the machine, and the production rate is more than or equal to 0.3hm²The method can meet the requirements of rubber garden weeding operation, and has important significance for the research of the automatic weeding machine.

Drawings

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic bottom view of the present invention;

FIG. 5 is a schematic view of the working structure of the present invention;

FIG. 6 is a schematic view of a main sectional view of the grass pressing roller and the main grass cutting protecting cover according to the present invention.

In the figure: 1. a grass supporting device; 2. connecting a reinforcing rod of the tractor; 3. a gearbox body; 31. a drive shaft; 4. a gearbox support frame; 5. a first mowing pulley; 6. a first belt body; 7. a first belt tensioner; 8. a second belt body; 9. a hydraulic cylinder; 10. a third belt; 11. an obstacle avoidance connection device; 12. a pressure sensing device; 13. a force-bearing stop lever; 14. a second mowing pulley; 15. a flange plate; 16. an elastic telescopic rod; 17. a pressure transmission and support rod; 18. a third mowing pulley; 19. a second belt tensioner; 20. an output pulley; 21. pressing grass rollers; 22. a first blade; 23. a second blade; 24. an obstacle avoidance blade; 25. a main mowing protection cover; 26. an obstacle avoidance safety cover; 27. a first mounting shaft; 28. a second mounting shaft; 29. a tractor frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a vertical automatic obstacle avoidance weeding machine comprises a grass supporting device 1, a connecting tractor reinforcing rod 2, a gearbox body 3, a gearbox supporting frame 4, a first mowing belt wheel 5, a first belt body 6, a first belt tensioning device 7, a second belt body 8, a hydraulic cylinder 9, a third belt 10, an obstacle avoidance connecting device 11, a pressure sensing device 12, a stressed stop rod 13, a second mowing belt wheel 14, a flange 15, an elastic telescopic rod 16, a pressure transmission and supporting rod 17, a third mowing belt wheel 18, a second belt tensioning device 19, an output belt wheel 20, a grass pressing roller 21, a first blade 22, a second blade 23, an obstacle avoidance blade 24, a main mowing protective cover 25, an obstacle avoidance safety cover 26, a first mounting 27, a second mounting shaft rod 28 and a tractor frame 29, wherein the rear end of the grass supporting device 1 is connected with the main mowing protective cover 25, and the gearbox supporting frame 4 is mounted above the main mowing protective cover 25, a gearbox body 3 is arranged above a gearbox supporting frame 4, a connecting tractor reinforcing rod 2 is welded at the left end and the right end of the gearbox body 3, an output belt pulley 20 is connected at the bottom end of the gearbox body 3, a first belt main body 6 and a second belt main body 8 are connected at the outer side of the output belt pulley 20, the second belt main body 8 is arranged below the first belt main body 6, a first mowing belt pulley 5 is arranged inside the left end of the first belt main body 6, a first belt tensioning device 7 is connected inside the first belt main body 6, a third mowing belt pulley 18 is connected inside the right end of the second belt main body 8, a third belt 10 is connected outside the third mowing belt pulley 18, a second mowing belt pulley 14 is connected inside the left end of the third belt 10, and a second belt tensioning device 19 is arranged inside the second belt main body 8, the bottom end of the second belt tensioning device 19 is connected with a main mowing protection cover 25, the bottom end of the second mowing belt wheel 14 is connected with an obstacle avoidance connecting device 11, the bottom end of the left end of the obstacle avoidance connecting device 11 is connected with an obstacle avoidance safety cover 26 through a flange 15, a pressure transmission and support rod 17 is arranged above the second mowing belt wheel 14, a stress stop rod 13 is fixed at the left end of the pressure transmission and support rod 17, a pressure sensing device 12 is arranged above the right end of the pressure transmission and support rod 17, the bottom end of the stress stop rod 13 is connected with an elastic telescopic rod 16 through a movable pin, the bottom end of the elastic telescopic rod 16 is fixed with the main mowing protection cover 25, the rear side surface of the obstacle avoidance connecting device 11 is connected with a hydraulic cylinder 9 through the movable pin, the main mowing protection cover 25 is fixed below the right end of the hydraulic cylinder 9, and an obstacle avoidance blade 24 is arranged below the obstacle avoidance safety cover 26, the bottom end of the second mounting shaft lever 28 penetrates through the main mowing protection cover 25 to be connected with the second blade 23, the bottom end of the first mounting shaft lever 27 penetrates through the main mowing protection cover 25 to be connected with the first blade 22, the front side surface of the main mowing protection cover 25 is connected with the grass pressing roller 21, and the connecting tractor reinforcing rod 2 is connected with the tractor frame 29;

the transmission shaft lever 31 is connected to the inner bottom end bearing of the transmission case body 3, the outer side key at the bottom end of the transmission shaft lever 31 is connected with the output belt pulley 20, and the vertical center line of the transmission shaft lever 31 is overlapped with the vertical center line of the transmission case body 3, so that the transmission case body 3 can transmit power to the output belt pulley 20 through the transmission shaft lever 31;

the transverse center line of the first mowing belt pulley 5 is parallel to the transverse center line of the third mowing belt pulley 18, the central connecting lines of the first mowing belt pulley 5, the third mowing belt pulley 18 and the output belt pulley 20 form a triangular structure, the highest point of the first mowing belt pulley 5 is higher than that of the third mowing belt pulley 18, and the first mowing belt pulley 5 and the third mowing belt pulley 18 drive two groups of first blades 22 and second blades 23 at different positions to perform cutting work;

the first belt tensioner 7 is flush with the output pulley 20, and a gap exists between the first belt tensioner 7 and the second belt body 8, so that the first belt tensioner 7 can well control and adjust the first belt body 6 outside the output pulley 20;

the obstacle avoidance connecting device 11 and the main mowing protection cover 25 form a rotating structure through the second mounting shaft rod 28 and the hydraulic cylinder 9, and the rotating angle range of the obstacle avoidance connecting device 11 is 0-45 degrees, so that the obstacle avoidance connecting device 11 well drives the obstacle avoidance safety cover 26 to rotate and avoid;

the stressed stop lever 13 is of an arc-shaped structure, the arc length of the stressed stop lever 13 is greater than one half of the circumference of the obstacle avoidance safety cover 26, the stressed stop lever 13 and the pressure transmission and support rod 17 are of an integrated structure, so that the obstacle avoidance safety cover 26 can be well protected by the stressed stop lever 13 of the arc-shaped structure, and meanwhile, the stressed stop lever 13 designed by the arc-shaped structure can reduce the contact area with an obstacle;

the highest point of the grass pressing roller 21 is higher than that of the main grass-mowing protection cover 25, the foremost end of the main grass-mowing protection cover 25 is suspended forward by 2-3m in the connecting direction with the tractor, and the length of the grass pressing roller 21 is equivalent to the horizontal length of the front end of the main grass-mowing protection cover 25, so that the grass pressing roller 21 can well press grass, and the first blade 22 and the second blade 23 can conveniently weed;

the transverse center line of the first blade 22 and the transverse center line of the second blade 23 are not on the same straight line, and the first blade 22 and the second blade 23 are made of the same material, so that the first blade 22 and the second blade 23 which are arranged in a staggered mode can remove grass in different areas;

the obstacle avoidance safety cover 26 is of a circular structure, the obstacle avoidance safety cover 26 and the main mowing protection cover 25 form a rotating structure through the obstacle avoidance connecting device 11, and the obstacle avoidance blade 24 is protected conveniently through rotation of the obstacle avoidance safety cover 26.

The working principle of the embodiment is as follows: when the vertical type automatic obstacle avoidance weeding machine is used, firstly, as shown in figure 5, the connecting tractor reinforcing rods 2 at the left side and the right side of the gearbox body 3 are fastened on a tractor frame 29 through the press hoops, so that the gears in the gearbox body 3 in figure 2-3 are meshed and connected with the gears on the tractor frame 29, which is the existing mature technology in the market, the applicant does not describe in detail here, so that the whole weeding machine is well installed and fixed with the remote control type crawler tractor as shown in figure 5, the remote control type crawler tractor drives the whole weeding machine to move and transmit a power source at the later stage, then, the remote control type crawler tractor is started, the remote control type crawler tractor is meshed and rotated with the gears in the gearbox body 3 through the gears in the remote control type crawler tractor, as shown in figure 3, the transmission shaft rod 31 is rotated, the transmission shaft lever 31 transmits power to the output pulley 20 at the outer side of the lower end, and the output pulley 20 starts to rotate;

then, as shown in fig. 2, 4 and 6, the whole weeding machine during the running process presses down the weeds by the grass pressing roller 21, then, as shown in fig. 1-3, the output pulley 20 transmits power to the first belt body 6 and the second belt body 8 on the outer side while rotating, so that the first belt body 6 and the second belt body 8 on the outer side of the output pulley 20 rotate together, then, as shown in fig. 1, the first belt body 6 transmits power to the first mowing pulley 5 while rotating, and simultaneously, the first belt body 6 is tensioned by the first belt tensioning device 7 so that the first belt body 6 works well, the first mowing pulley 5 transmits power to the first installation shaft 27 on the inner side while rotating, whereby, as shown in fig. 4, the first installation shaft 27 drives the first blade 22 fixedly connected at the bottom end to rotationally cut down the weeds, similarly, the second belt body 8 drives the third mowing belt pulley 18 to rotate when rotating, so that the third mowing belt pulley 18 drives the second mounting shaft lever 28 inside to rotate when rotating, and then, as shown in fig. 4, the second mounting shaft lever 28 drives the second blade 23 fixed at the outer side of the bottom end to rotate to cut low-pressure weeds;

meanwhile, as shown in figure 1, the third mowing belt wheel 18 transmits power to the third belt wheel 10 in the rotating process, the third belt wheel 10 transmits power to the second mowing belt wheel 14, so that the second mowing belt wheel 14 transmits power to the obstacle avoidance blade 24 through an internal shaft, as shown in figure 4, the obstacle avoidance blade 24 rotates to cut low-pressure weeds, when an obstacle is encountered, as shown in figure 1, the force bearing stop rod 13 is pressed by the obstacle and is transmitted to the pressure sensing device 12 through the pressure transmission and support rod 17, the pressure sensing device 12 feeds information back to the hydraulic valve controller of the tractor to control the hydraulic cylinder 9 to stretch and retract, the obstacle avoidance connecting device 11 is pulled to rotate by taking the circle center of the third mowing belt wheel 18 as a fixed point, automatic obstacle avoidance is realized, and meanwhile, in the avoiding process, the obstacle avoidance blade 24 keeps cutting work, therefore, the obstacle avoidance blade 24 can conveniently weed the weeds close to the rubber tree part, the later manual operation is not needed, and the operation is simple and rapid, so that a series of work can be completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.