CN221748967U - Grass mowing device for mini-tiller - Google Patents

Abstract

The utility model discloses a grass cutting device for a micro-tillage machine, and relates to the technical field of micro-tillage machines, including a frame, a bottom fixedly connected with a solid, the interior of the solid is provided with a height adjustment, the outside of the solid is fixedly connected with an auxiliary, and the bottom fixedly connected with the auxiliary and height adjustment is provided with a grass cutting device. The utility model can adjust the height of its cutting knife according to the height of the grass on site, so as to improve the grass cutting effect. The worker manually squeezes two movable plates against each other to make the limit block disengage from the inside of the limit groove. At this time, the movable box can be moved up and down on the inside of the fixed frame to adjust the height. After adjusting to a suitable height, the limit block is aligned with the limit groove, and then the movable plate is manually released. At this time, the two movable plates are driven to move away from each other through the spring reset, so that the limit block is extended to the inside of the limit groove for fixation, thereby the grass cutting position of the cutting knife can be adjusted.

Description

A grass cutting device for a micro-tillage machine

Technical Field

The utility model relates to the technical field of micro-tillage machines, in particular to a grass cutting device for micro-tillage machines.

Background Art

The micro-tillage machine is powered by a small diesel engine or gasoline engine, and has the characteristics of light weight, small size, and simple structure. The micro-tillage machine is widely used in dry land, paddy fields, orchards, etc. in plains, mountainous areas, and hills. Equipped with corresponding machinery, it can be used for pumping, power generation, spraying, and spraying. It can also be towed by a trailer for short-distance transportation. The micro-tillage machine can travel freely in the field, which is convenient for users to use and store, eliminating the trouble that large agricultural machinery cannot enter mountain fields. It is the best choice for farmers and consumers to replace cattle plowing. In the process of agricultural production, in addition to farming, other important farming activities such as mowing are also involved. However, in traditional agricultural machinery, the micro-tillage machine can only plow, and mowing requires the use of a mower, which will cost more purchase costs and labor.

Chinese patent CN209787862U discloses a grass cutting device for a micro-tillage machine. Aiming at the problems that the existing grass cutting devices for micro-tillage machines are complex in structure, cumbersome in operation, poor in flexibility, and inconvenient to disassemble or replace the grass cutting disc, the following scheme is proposed, which includes a micro-tillage machine base, the bottom end of the micro-tillage machine base is respectively fixed with a servo motor and two vertical plates, the servo motor is located between the two vertical plates, the bottom ends of one side of the two vertical plates are rotatably connected with rollers through bearings, the output shaft of the servo motor is connected with a mounting block, and both sides of the mounting block are provided with limited position grooves, and a grass cutting disc is arranged below the micro-tillage machine base, and a plurality of blades are fixed at the edge of the grass cutting disc. The patent has a reasonable design, a compact structure, and a simple operation. It is convenient to disassemble or replace the grass cutting disc, can improve the stability of the grass cutting disc, has strong flexibility, is conducive to meeting people's daily use needs, and is suitable for promotion. However, the patent cannot adjust its grass cutting device according to the height of the grass, thereby reducing the use limit of the device.

Utility Model Content

The purpose of the utility model is to provide a grass trimming device for a micro-tillage machine in order to solve the above problems. The device uses a height adjustment component to achieve the effect of adjusting the height of the device according to the height of the grass, thereby solving the problems mentioned in the background technology.

In order to solve the above problems, the utility model provides a technical solution:

A grass trimming device for a micro-tillage machine comprises a frame, a fixing frame is fixedly connected to the bottom of the frame, a height adjustment component is arranged inside the fixing frame, an auxiliary component is fixedly connected to the outside of the fixing frame, and a grass trimming component is fixedly connected to the bottom of the auxiliary component and the height adjustment component;

The height adjustment assembly includes a limit groove, each of which is arranged inside the fixed frame, the inner side of the fixed frame is movably connected with a moving box, a spring is arranged inside the moving box, both ends of the spring are fixedly connected with a movable plate, one end of the two movable plates away from the spring is fixedly connected with a limit block, and one end of the two limit blocks extends into the corresponding limit groove;

The grass cutting component includes a driving motor, which is fixedly connected to the bottom of the fixed plate, and the output end of the driving motor is fixedly connected to a large gear. The bottom of the mobile box is fixedly connected to a fixed block, and the fixed block is rotatably connected to a rotating shaft inside. A small gear is fixedly connected to the outside of the rotating shaft, and the large gear and the small gear are meshed and connected. The bottom end of the rotating shaft is fixedly connected to a cutting knife.

As a preferred solution of the utility model, the auxiliary component includes an auxiliary frame, the auxiliary frame is fixedly connected to the outside of the fixed frame, the interior of the auxiliary frame is fixedly connected with a sliding rod, the exterior of the sliding rod is slidably connected with a sliding block, and the exterior of the sliding block is fixedly connected with a fixing plate.

As a preferred solution of the utility model, a bracket is fixedly connected to the top of the frame, and a handrail is fixedly connected to the outside of the bracket.

As a preferred solution of the utility model, two legs are fixedly connected to the bottom of the frame, and the bottom ends of the two legs are slidably connected to pulleys.

The beneficial effect of the utility model is that the height of the cutting knife can be adjusted according to the height of the grass on site, so as to improve the grass cutting effect. The worker manually squeezes the two movable plates against each other to make the limit block disengage from the limit groove. At this time, the movable box can be moved up and down on the inner side of the fixed frame to adjust the height. After adjusting to a suitable height, the limit block is aligned with the limit groove, and then the movable plate is manually released. At this time, the two movable plates are driven away from each other through spring reset, so that the limit block is extended to the inside of the limit groove for fixation, thereby the grass cutting position of the cutting knife can be adjusted.

BRIEF DESCRIPTION OF THE DRAWINGS

For ease of explanation, the present invention is described in detail by the following specific implementations and drawings.

Figure 1 is a schematic diagram of the overall structure of the utility model;

Figure 2 is a schematic diagram of the grass cutting assembly of the utility model;

FIG. 3 is a schematic diagram of a height adjustment assembly of the present utility model.

In the figure: 1. frame; 2. support leg; 3. pulley; 4. bracket; 5. armrest; 6. fixed frame; 7. auxiliary component; 71. auxiliary frame; 72. slide bar; 73. slide block; 74. fixed plate; 8. height adjustment component; 81. limit slot; 82. moving box; 83. spring; 84. movable plate; 85. limit block; 9. fixed block; 10. grass cutting component; 101. driving motor; 102. large gear; 103. rotating shaft; 104. small gear; 105. cutting knife.

DETAILED DESCRIPTION

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

Example:

Please refer to Figures 1 to 3. The utility model provides a technical solution: a grass trimming device for a micro-tillage machine, including a frame 1, a fixed frame 6 is fixedly connected to the bottom of the frame 1, and the fixed frame 6 is made of aluminum alloy. Compared with steel, aluminum alloy has the advantages of high hardness, light weight, and good corrosion resistance. A height adjustment component 8 is provided inside the fixed frame 6, and an auxiliary component 7 is fixedly connected to the outside of the fixed frame 6. A grass trimming component 10 is fixedly connected to the bottom of the auxiliary component 7 and the height adjustment component 8. The height adjustment component 8 includes a limiting groove 81, each limiting groove 81 is arranged inside the fixed frame 6, and a moving box 82 is movably connected to the inner side of the fixed frame 6. A spring 83 is arranged inside the moving box 82, and both ends of the spring 83 are fixedly connected to movable The two movable plates 84 are fixedly connected to the limiting blocks 85 at one end away from the spring 83, and one end of the two limiting blocks 85 extends to the corresponding limiting grooves 81. The worker manually squeezes the two movable plates 84 against each other to make the limiting blocks 85 disengage from the limiting grooves 81. At this time, the movable box 82 can be moved up and down on the inner side of the fixed frame 6 to adjust the height. After adjusting to a suitable height, the limiting blocks 85 are aligned with the limiting grooves 81, and then the movable plates 84 are manually released. At this time, the spring 83 is reset to drive the two movable plates 84 away from each other, so that the limiting blocks 85 are extended to the limiting grooves 81 for fixation. Therefore, the height of the cutting knife 105 can be adjusted according to the height of the grass on site, so as to improve the grass cutting effect.

Furthermore, the auxiliary component 7 includes an auxiliary frame 71, which is a metal frame generally made of aluminum alloy and is very light in weight. The auxiliary frame 71 is fixedly connected to the outside of the fixed frame 6, and the interior of the auxiliary frame 71 is fixedly connected to a sliding rod 72, the exterior of the sliding rod 72 is slidably connected to a slider 73, and the exterior of the slider 73 is fixedly connected to a fixed plate 74.

Furthermore, the grass cutting component 10 includes a driving motor 101, which is fixedly connected to the bottom of the fixing plate 74, and the output end of the driving motor 101 is fixedly connected to a large gear 102, and the bottom of the moving box 82 is fixedly connected to a fixing block 9, and the internal rotation of the fixing block 9 is connected to a rotating shaft 103, and the external fixed connection of the rotating shaft 103 is connected to a small gear 104, and the large gear 102 and the small gear 104 are meshed and connected, and the bottom end of the rotating shaft 103 is fixedly connected to a cutting knife 105, and the cutting knife 105 is made of high-speed steel, which has high hardness, strong wear resistance, good toughness, and can be The cutting process can withstand high temperature and high pressure and has a long service life. When the moving box 82 moves up and down, it will drive the fixed plate 74 to move synchronously outside the slide bar 72 through the slider 73, and then the drive motor 101 can be started. The large gear 102 is driven to rotate by the drive motor 101. When the large gear 102 rotates, it drives the small gear 104 on one side to rotate. When the small gear 104 rotates, it drives the rotating shaft 103 connected thereto to rotate, and then drives the cutting knife 105 to rotate, so that the grass can be mowed by the cutting knife 105.

Furthermore, a bracket 4 is fixedly connected to the top of the frame 1, a handrail 5 is fixedly connected to the outside of the bracket 4, and two legs 2 are fixedly connected to the bottom of the frame 1, and pulleys 3 are slidably connected to the bottom ends of the two legs 2.

In summary: when in use, the frame 1 is moved to the use site via the pulley 3, and then the height of the cutting knife 105 can be adjusted according to the height of the grass on site to improve the grass cutting effect. The worker manually squeezes the two movable plates 84 against each other to make the limit block 85 disengage from the limit groove 81. At this time, the movable box 82 can be moved up and down on the inside of the fixed frame 6 to adjust the height. After adjusting to a suitable height, the limit block 85 is aligned with the limit groove 81, and then the movable plate 84 is manually released. At this time, the spring 83 is reset to drive the two movable plates 84 away from each other, thereby extending the limit block 85. It extends to the inside of the limit groove 81 for fixation. It should be noted here that when the moving box 82 moves downward, it will drive the fixed plate 74 to move synchronously outside the slide bar 72 through the slider 73, and then the drive motor 101 can be started. The large gear 102 is driven to rotate by the drive motor 101. When the large gear 102 rotates, the small gear 104 on one side is driven to rotate. When the small gear 104 rotates, it will drive the rotating shaft 103 connected to it to rotate, and then drive the cutting knife 105 to rotate, so that the grass can be mowed by the cutting knife 105.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (4)

1. A grass trimming device for a micro-tillage machine, characterized in that it comprises a frame (1), a fixing frame (6) is fixedly connected to the bottom of the frame (1), a height adjustment component (8) is arranged inside the fixing frame (6), an auxiliary component (7) is fixedly connected to the outside of the fixing frame (6), and a grass trimming component (10) is fixedly connected to the bottom of the auxiliary component (7) and the height adjustment component (8); The height adjustment component (8) comprises a limiting groove (81), each of the limiting grooves (81) is arranged inside the fixed frame (6), a moving box (82) is movably connected to the inner side of the fixed frame (6), a spring (83) is arranged inside the moving box (82), both ends of the spring (83) are fixedly connected to a movable plate (84), one end of the two movable plates (84) away from the spring (83) is fixedly connected to a limiting block (85), and one end of the two limiting blocks (85) extends into the corresponding limiting groove (81); The grass trimming component (10) comprises a driving motor (101), wherein the driving motor (101) is fixedly connected to the bottom of the fixing plate (74), the output end of the driving motor (101) is fixedly connected to a large gear (102), the bottom of the moving box (82) is fixedly connected to a fixing block (9), the interior of the fixing block (9) is rotatably connected to a rotating shaft (103), the exterior of the rotating shaft (103) is fixedly connected to a small gear (104), the large gear (102) and the small gear (104) are meshingly connected, and the bottom end of the rotating shaft (103) is fixedly connected to a cutting knife (105). 2. A grass cutting device for a micro-tillage machine according to claim 1, characterized in that the auxiliary component (7) includes an auxiliary frame (71), the auxiliary frame (71) is fixedly connected to the outside of the fixed frame (6), the interior of the auxiliary frame (71) is fixedly connected to a sliding rod (72), the exterior of the sliding rod (72) is slidably connected to a sliding block (73), and the exterior of the sliding block (73) is fixedly connected to a fixing plate (74). 3. A grass trimming device for a micro-tillage machine according to claim 1, characterized in that a bracket (4) is fixedly connected to the top of the frame (1), and a handrail (5) is fixedly connected to the outside of the bracket (4). 4. A grass cutting device for a micro-tillage machine according to claim 1, characterized in that two legs (2) are fixedly connected to the bottom of the frame (1), and the bottom ends of the two legs (2) are slidably connected to pulleys (3).