CN215648101U

CN215648101U - Safety grass chopper

Info

Publication number: CN215648101U
Application number: CN202120937865.6U
Authority: CN
Inventors: 李晓; 刘毅; 张作坤
Original assignee: Shandong Xundi Machinery Co ltd
Current assignee: Rizhao Changyuan Machinery Manufacturing Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-01-28
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses a safe grass chopper, and belongs to the field of agricultural machinery. The multifunctional gear box is characterized by comprising a frame, wherein an engine, a gear box, an operating handle, front wheels, rear wheels and an operating mechanism are arranged on the frame, the engine is respectively in transmission connection with the gear box and the operating mechanism, the gear box is in transmission connection with the rear wheels, the operating mechanism comprises a shell, a rotating shaft, a knife rest and a flail knife, the rotating shaft is in transmission connection with the engine through the operating transmission mechanism, the knife rest is fixedly arranged on the rotating shaft, the flail knife is hinged to the knife rest through a pin shaft, and the front end of the shell is provided with a protruding protection plate. The straw chopping machine has the advantages of good straw chopping effect and high working efficiency, and can prevent the accidents that an operator is injured by stones and straws thrown out by the flail knife by additionally arranging the protruding protection plate on the shell, so that the safety is higher.

Description

Safety grass chopper

Technical Field

The utility model belongs to agricultural machinery, and particularly relates to a safe grass chopper.

Background

In the planting process of a farmland, weeds often grow in the farmland, if the weeds cannot be cleared away in time, the weeds compete for nutrients with crops, and poor development of the crops is easily caused, so that fruit growers often need to weed fruit trees by using a grass chopper regularly, and the straws are crushed and returned to the field, so that the straws can increase soil organic matters, improve the soil structure, loosen the soil, increase the porosity, reduce the capacity, and promote the activity of microorganisms and the development of crop roots. The crushing effect of present garrulous grass machine is poor, omits easily, need relapse just can be with weeds clean up many times, and operation mechanism security is poor moreover, throws away garrulous straw or stone at during operation mechanism, injures the operator easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a safe grass chopper, which overcomes the defects of poor crushing effect and low safety of the grass chopper in the prior art.

The utility model is realized by adopting the following technical scheme: the utility model provides a safe grass chopper, includes the frame, be equipped with engine, gearbox, manipulation handle, front wheel, rear wheel and operation mechanism in the frame, the engine is connected with gearbox and operation mechanism transmission respectively, the gearbox is connected with the rear wheel transmission, operation mechanism includes shell, pivot, knife rest and flail sword, the pivot is passed through operation drive mechanism and is connected with the engine transmission, the knife rest is fixed to be located in the pivot, the flail sword articulates on the knife rest through the round pin axle, the front end of shell is equipped with outstanding guard plate.

Further, operation drive mechanism includes belt pulley A, belt pulley B, take-up pulley and belt, belt pulley A and engine output shaft are connected, belt pulley B is connected with the pivot, the belt winding is on belt pulley A, belt pulley B and passes through the take-up pulley tensioning.

Furthermore, a protective cover is arranged outside the operation transmission mechanism.

Furthermore, the flail knife comprises a straight knife and two inclined knives, and the straight knife is arranged between the two inclined knives.

Furthermore, the front wheel is connected to the frame through an adjusting rod and an adjusting screw rod.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the working device with good grass chopping effect is designed, and the cleaned field basically has no missed weeds, so that the return of repeated weeding is avoided, and the working efficiency is improved;

(2) according to the utility model, the protruding protection plate is additionally arranged on the shell, so that the accident that an operator is injured by stones and straws thrown out by the flail knife can be prevented, and the safety is higher.

Drawings

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

FIG. 2 is a schematic view of the present invention with the outer shell and the guard plate removed;

fig. 3 is a schematic view of the structure of the spindle, tool holder and flail of the present invention.

In the figure: 1. a frame; 2. an engine; 3. a gearbox; 4. a control handle; 5. a front wheel; 6. a rear wheel; 7. a housing; 8. a protection plate; 9. a protective cover; 10. a rotating shaft; 11. a flail knife; 12. a belt pulley A; 13. a tension wheel; 14. a belt pulley B; 15. a tool holder; 16. a pin shaft; 17. straight cutting; 18. and (4) inclined cutting.

Detailed Description

The utility model will be further explained with reference to the drawings.

As shown in fig. 1 and 2, the safe grass chopper comprises a frame 1, wherein an engine 2, a gearbox 3, an operating handle 4, a front wheel 5, a rear wheel 6 and an operating mechanism are arranged on the frame 1, the engine 2 is in transmission connection with the gearbox 3 and the operating mechanism respectively, the gearbox 3 is in transmission connection with the rear wheel 6, the operating mechanism comprises a shell 7, a rotating shaft 10, a knife rest 15 and a flail knife 11, the rotating shaft 10 is in transmission connection with the engine 2 through the operating transmission mechanism, the knife rest 15 is fixedly arranged on the rotating shaft 10, the flail knife 11 is hinged on the knife rest 15 through a pin shaft 16, a protruding protection plate 8 is arranged at the front end of the shell 7, and the protection plate 8 plays a role in shielding, so that accidents that an operator is injured by stones and straws thrown out by the flail knife can be prevented. The utility model has the advantages of small volume, light weight, good reliability, high working efficiency and good safety performance, and is mainly suitable for weeding, smashing and returning to fields such as fields, orchards, vineyards and the like.

Further, the operation transmission mechanism comprises a belt pulley A12, a belt pulley B14, a tension pulley 13 and a belt, wherein the belt pulley A12 is connected with the output shaft of the engine 2, the belt pulley B14 is connected with the rotating shaft 10, and the belt is wound on the belt pulley A12 and the belt pulley B14 and is tensioned through the tension pulley 13.

Further, a protective cover 9 is arranged outside the operation transmission mechanism.

Further, the front wheel 5 is connected to the frame 1 through an adjusting rod and an adjusting screw rod, and the adjusting rod is arranged at different heights and fixed through the adjusting screw rod, so that the height of the front portion of the frame 1 can be adjusted.

Further, as shown in fig. 3, the flail knife 11 comprises a straight knife 17 and two inclined knives 18, the straight knife 17 is arranged between the two inclined knives 18, the flail knife 11 consisting of one straight knife 17 and two inclined knives 18 greatly increases the grass chopping range, and the gap between the two groups of flail knives 11 is small, so that the omission of weeds is avoided.

Claims

1. The utility model provides a safe grass chopper, includes frame (1), be equipped with engine (2), gearbox (3), handle (4), front wheel (5), rear wheel (6) and operating device on frame (1), engine (2) are connected with gearbox (3) and operating device transmission respectively, gearbox (3) are connected its characterized in that with rear wheel (6) transmission: the operating mechanism comprises a shell (7), a rotating shaft (10), a flail knife (11) and a knife rest (15), wherein the rotating shaft (10) is in transmission connection with the engine (2) through an operating transmission mechanism, the knife rest (15) is fixedly arranged on the rotating shaft (10), the flail knife (11) is hinged to the knife rest (15) through a pin shaft (16), and a protruding protection plate (8) is arranged at the front end of the shell (7).

2. A safety grass chopper as claimed in claim 1, characterized in that: the operation transmission mechanism comprises a belt pulley A (12), a belt pulley B (14), a tension pulley (13) and a belt, wherein the belt pulley A (12) is connected with an output shaft of the engine (2), the belt pulley B (14) is connected with the rotating shaft (10), and the belt is wound on the belt pulley A (12) and the belt pulley B (14) and tensioned through the tension pulley (13).

3. A safety grass chopper as claimed in claim 2, characterized in that: and a protective cover (9) is arranged outside the operation transmission mechanism.

4. A safety grass chopper as claimed in claim 1, characterized in that: the flail knife (11) comprises a straight knife (17) and two inclined knives (18), wherein the straight knife (17) is arranged between the two inclined knives (18).

5. A safety grass chopper as claimed in any one of claims 1 to 4, characterized in that: the front wheel (5) is connected to the frame (1) through an adjusting rod and an adjusting screw rod.