CN216163456U

CN216163456U - Grass cutter

Info

Publication number: CN216163456U
Application number: CN202122542797.6U
Authority: CN
Inventors: 赵晓英; 李军; 衡建西; 韩江雨; 刘婷婷; 陈伟
Original assignee: Huai'an Zhonglu Garden Machinery Co ltd
Current assignee: Huai'an Zhonglu Garden Machinery Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-05
Anticipated expiration: 2031-10-22

Abstract

The utility model discloses a mower, which comprises a cutter frame, wherein a rack is fixedly arranged on the rear surface of the cutter frame, a cutter set is arranged at the central position of the cutter frame, a cutter set driving wheel A is arranged on the cutter set, an engine power source is arranged on the rack, a driving wheel A and a driving wheel B are arranged on an output shaft of the engine power source, a triangular belt A is connected and arranged between the driving wheel A and the cutter set driving wheel A, a tensioning wheel A is arranged between the driving wheel A and the cutter set driving wheel A, and a tensioning plate A is rotatably arranged at the top of the cutter frame; the mower has the advantages of novel structure, simple and easy control and flexible pushing, realizes the separation of two actions of mowing and walking through the transmission of the two groups of belts, can be started without a cutter set when power is started, is easy to generate power, has small pushing resistance and more reasonable and effective power distribution because the front end is provided with the sliding auxiliary frame, and has light overall control because the power is arranged at the rear.

Description

Grass cutter

Technical Field

The utility model belongs to the technical field of mowing machines, and particularly relates to a mower.

Background

The mower is a mechanical tool used for trimming lawns, vegetations and the like in green planting areas such as municipal administration, schools, residential quarters, orchards and the like, generally comprises a casing (or a frame), an engine (a power source), a transmission mechanism, a stubble regulating mechanism, a walking mechanism, an operation mechanism and the like, and realizes mowing operation by manually pushing or having a self-walking mechanism through a blade on a power source output shaft and rotating at a high speed.

The existing mower is generally used for weeding by matching manual pushing forward or self-propelled driving, the forward resistance is large when the mower is used, the blade is always rotated and mows after being started, and power loss is increased in the moving process of the whole mower.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a lawn mower to solve the problems of the related art.

In order to achieve the purpose, the utility model provides the following technical scheme: a mower comprises a cutter frame, a rack is fixedly arranged on the rear surface of the cutter frame, a cutter set is arranged at the central position of the cutter frame, a cutter set driving wheel A is arranged on the cutter set, an engine power source is arranged on the rack, a driving wheel A and a driving wheel B are arranged on an output shaft of the engine power source, a triangular belt A is connected and arranged between the driving wheel A and the cutter set driving wheel A, a tension wheel A is arranged between the driving wheel A and the cutter set driving wheel A, a tension plate A is rotatably arranged at the top of the cutter frame and assembled on the tension plate A, a tension spring A is further arranged at the other end of the tension plate A, the other end of the tension spring A is rotatably arranged on the cutter frame, a reducer assembly, a gear and a self-propelled wheel are arranged at the lower end position of the rack, and a clutch device is arranged in the reducer assembly, the input end of the speed reducer assembly is provided with a belt wheel B, an output shaft of the speed reducer assembly is provided with a gear, a triangular belt B is arranged between the driving wheel B and the belt wheel B, a tensioning wheel B is further arranged between the driving wheel B and the belt wheel B, the top of the rack is rotated and provided with a tensioning plate B, the tensioning wheel B is assembled on the tensioning plate B, one end of the tensioning plate B is further provided with a tension spring B, the other end of the tension spring B is rotatably arranged on the rack, and the front end of the knife rest is provided with a sliding auxiliary frame.

Preferably, the driving wheel B and the speed reducer assembly transmit power through a belt wheel B and a triangular belt B.

Preferably, the rear end of the rack is provided with a handrail assembly, the handrail assembly is provided with a knife clutch control handle, and a brace is rotatably connected between the knife clutch control handle and the tensioning plate A.

Preferably, the right side of the frame is provided with a stubble regulating control handle.

Compared with the prior art, the utility model has the beneficial effects that: the mower has the advantages that the structure is novel, the control is simple, the pushing is flexible, the separation of mowing and walking actions is realized through the transmission of the two groups of belts, when power is started, the mower can be started without a cutter set, the power is easy to generate, meanwhile, the sliding auxiliary frame is arranged at the front end, the pushing resistance is small, the power distribution is more reasonable and effective, the whole mower is light in control due to the rear power, meanwhile, the two groups of triangular belts are always in a good tensioning state due to the automatic tensioning of the springs, the maintenance is avoided, and the practicability and the durability of the mower are improved.

Drawings

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

FIG. 2 is a schematic illustration of an explosive structure according to the present invention;

in the figure: 1. a sliding auxiliary frame; 2. a tool holder; 3. a knife group transmission wheel A; 4. a V-belt A; 5. a driving wheel A; 6. a tension spring A; 7. a tension wheel A; 8. a tension plate A; 9. a driving wheel B; 10. a V-belt B; 11. a belt pulley B; 12. a tension spring B; 13. a tension wheel B; 14. a tension plate B; 15. a handrail assembly; 16. a stubble regulating control handle; 17. a reducer assembly; 18. a self-propelled wheel; 19. a knife clutch control handle; 20. a frame; 21. a gear; 22. a knife group; 23. an engine power source.

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.

Examples

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a mower comprises a cutter frame 2, a rack 20 is fixedly arranged on the rear surface of the cutter frame 2, a cutter group 22 is arranged at the central position of the cutter frame 2, a cutter group driving wheel A3 is arranged on the cutter group 22, an engine power source 23 is arranged on the rack 20, a driving wheel A5 and a driving wheel B9 are arranged on an output shaft of the engine power source 23 to form a power source group, a triangular belt A4 is connected between the driving wheel A5 and the cutter group driving wheel A3, the driving wheel A5 is in transmission connection with the cutter group driving wheel A3 through the triangular belt A4, a tension wheel A7 is arranged between the driving wheel A5 and the cutter group driving wheel A3, a tension plate A8 is rotatably arranged at the top of the cutter frame 2, the tension wheel A7 is assembled on the tension plate A8, a tension spring A6 is also arranged at the other end of the tension plate A8, the other end of the tension spring A6 is rotatably arranged on the cutter frame 2, a self-propelled reducer assembly 17, a gear 21 and a self-propelled wheel 18 are arranged at the lower end of the rack 20, forming a transmission mechanism, a clutch device is arranged in the speed reducer assembly 17 for controlling the advancing and stopping of the mower, the input end of the speed reducer assembly 17 is provided with a belt wheel B11, a gear 21 is arranged on an output shaft of the power source group, a triangular belt B10 is arranged between a driving wheel B9 in the power source group and a belt wheel B11 at the input end of a speed reducer assembly 17, a tension wheel B13 is arranged between the driving wheel B9 and the belt wheel B11, a tension plate B14 is rotatably arranged at the top of the frame 20, the tension wheel B13 is assembled on the tension plate B14, one end of the tension plate B14 is also provided with a tension spring B12, the other end of the tension spring B12 is rotatably arranged on the frame 20, the tightness of the V-belt B10 can be automatically controlled by the tension of the tension spring B12, therefore, the V-belt B10 is always kept in a good tensioning state, the sliding auxiliary frame 1 is arranged at the front end of the cutter frame 2 instead of a front wheel configured by the traditional method, and the traveling resistance of the mower is greatly reduced.

In this embodiment, the driving pulley B9 on the output end of the engine power source 23 and the reducer assembly 17 preferably transmit power through the belt pulley B11 and the V belt B10 to drive the self-propelled wheels 18 to move forward.

In this embodiment, preferably, the rear end of the frame 20 is provided with the handrail assembly 15, and the handrail assembly 15 is provided with the throttle control box, the brake control, the walking clutch control and the knife clutch control handle 19, so as to achieve free control, a brace is rotatably connected between the knife clutch control handle 19 and the tensioning plate A8, and the tensioning plate A8 can be rotated by pulling the knife clutch control handle 19, so that the tension spring a6 is extended, so that the tensioning wheel a7 is in a loose state, at this time, the triangular belt a4 cannot transmit power, so as to reduce the starting resistance of the gasoline engine, achieve easy starting, then release the knife clutch control handle 19, reset again by the tension spring a6, achieve tensioning of the tensioning wheel a7, and drive the knife group 22 to start mowing.

In this embodiment, preferably, the stubble ploughing control handle 16 is disposed on the right side of the frame 20, so as to meet the requirements of different grass-retaining heights, the driving wheel a5 on the output shaft of the engine power source 23 transmits power with the knife set driving wheel A3 and the triangular belt a4 on the knife set 22, and the connection mode with the knife set 22 is split type rather than direct type.

The mower is provided with two groups of belts for transmission, and is tensioned outwards through the tensioning wheel and automatically tensioned through the spring.

The working principle and the using process of the utility model are as follows: when the mower is used, the driving wheel A5 on the engine power source 23 can drive the knife group driving wheel A3 to rotate through the triangular belt A4, so that the knife group 22 can operate and mow, meanwhile, the driving wheel B9 on the engine power source 23 can drive the belt wheel B11 to rotate through the triangular belt B10, and finally, the self-travelling wheel 18 can rotate through the speed reducer assembly 17 and the gear 21, so that the mower can walk.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lawnmower, comprising: the novel knife rest comprises a knife rest (2), a rack (20) is fixedly arranged on the rear surface of the knife rest (2), a knife group (22) is arranged at the central position of the knife rest (2), a knife group driving wheel A (3) is arranged on the knife group (22), an engine power source (23) is arranged on the rack (20), a driving wheel A (5) and a driving wheel B (9) are arranged on an output shaft of the engine power source (23), a triangular belt A (4) is connected and arranged between the driving wheel A (5) and the knife group driving wheel A (3), a tension wheel A (7) is arranged between the driving wheel A (5) and the knife group driving wheel A (3), a tension plate A (8) is rotatably arranged at the top of the knife rest (2), the tension wheel A (7) is arranged on the tension plate A (8), and a tension spring A (6) is further arranged at the other end of the tension plate A (8), the other end of the tension spring A (6) is rotatably installed on the tool rest (2), a speed reducer assembly (17), a gear (21) and a self-propelled wheel (18) are arranged at the lower end of the rack (20), a clutch device is arranged inside the speed reducer assembly (17), a belt wheel B (11) is installed at the input end of the speed reducer assembly (17), the gear (21) is arranged on the output shaft of the speed reducer assembly, a triangular belt B (10) is installed between the driving wheel B (9) and the belt wheel B (11), a tension wheel B (13) is also installed between the driving wheel B (9) and the belt wheel B (11), a tension plate B (14) is rotatably installed at the top of the rack (20), the tension wheel B (13) is assembled on the tension plate B (14), a tension spring B (12) is also installed at one end of the tension plate B (14), and the other end of the tension spring B (12) is rotatably installed on the rack (20), the front end of the knife rest (2) is provided with a sliding auxiliary frame (1).

2. A lawnmower as claimed in claim 1, wherein: the driving wheel B (9) and the speed reducer assembly (17) transmit power through a belt wheel B (11) and a triangular belt B (10).

3. A lawnmower as claimed in claim 1, wherein: the rear end of the rack (20) is provided with a handrail assembly (15), a knife clutch control handle (19) is assembled on the handrail assembly (15), and a brace is rotatably connected between the knife clutch control handle (19) and the tensioning plate A (8).

4. A lawnmower as claimed in claim 1, wherein: a stubble regulating control handle (16) is arranged on the right side of the frame (20).