Special cutter for four-wheel-drive mini-tiller

Abstract

The utility model discloses a special cutter for a four-wheel drive mini-tiller, which comprises a rotating shaft, the rotating shaft is fixedly connected with three first mounting cutter rests, a plurality of first mounting racks are fixedly connected between two adjacent first mounting cutter rests, each first mounting rack is fixedly connected with a plurality of first triangular ground breaking cutters, and the first triangular ground breaking cutters are fixedly connected with a plurality of second triangular ground breaking cutters. And an expansion shaft is mounted at the end part of the rotating shaft. According to the special cutter for the four-wheel-drive mini-tiller, different numbers of rotating shafts and expanding shafts are selected for combination and splicing according to the actual needs of users and are connected and fixed through connecting bolts, so that the number of blade sets can be selectively installed according to the needs, and the use flexibility and convenience are improved; the first triangular soil breaking knife and the second triangular soil breaking knife can break soil through knife edges, weeding operation can be achieved, weeds are cut off, winding is prevented, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of micro plough cutter, concretely to a special cutter for four-wheel drive micro plough. BACKGROUND

[0002] The micro plough is powered by a small diesel engine or gasoline engine, has the characteristics of light weight, small size and simple structure, and is widely used in dry land, paddy field and orchard in plain, mountainous area and hilly area. The four-wheel drive micro plough is a kind of micro plough, different cutters are installed thereon to meet different operation requirements. In the prior art, during the weeding process of the micro plough, the weeds are easy to be wound around the cutter after being cut off, and it is difficult to break the soil, resulting in a decrease in work efficiency. SUMMARY

[0003] In view of the defects in the prior art, the utility model provides a special cutter for four-wheel drive micro plough, which solves the problem that the weeds are easy to be wound around the cutter after being cut off during the weeding process of the micro plough, and it is difficult to break the soil, resulting in a decrease in work efficiency.

[0004] To achieve the above purpose, the utility model realizes the following technical scheme: a special cutter for four-wheel drive micro plough, comprising a rotating shaft, three first mounting cutters are fixedly connected to the rotating shaft, a plurality of first mounting frames are fixedly connected between every two adjacent first mounting cutters, a plurality of first triangular soil-breaking cutters are fixedly connected to each first mounting frame, an extension shaft is installed at the end of the rotating shaft, two second mounting cutters are fixedly connected to the extension shaft, a plurality of second mounting frames are fixedly connected between the two second mounting cutters, and a plurality of second triangular soil-breaking cutters are fixedly connected to each second mounting frame.

[0005] Preferably, the extension shaft is inserted into the end of the rotating shaft, and the extension shaft and the rotating shaft are detachably connected through connecting bolts, so that they can be combined and spliced as needed.

[0006] Preferably, the cross-sectional shape of the rotating shaft and the extension shaft is hexagonal, and the first mounting cutters and the second mounting cutters are respectively welded on the rotating shaft and the extension shaft, so that the rotating shaft and the extension shaft can drive the first mounting cutters and the second mounting cutters to rotate.

[0007] Preferably, the rotating direction of the rotating shaft and the extension shaft is clockwise, so that the cutting edges of the first triangular soil-breaking cutters and the second triangular soil-breaking cutters first contact the land and the weeds, thereby achieving the effects of soil breaking and weeding.

[0008] Preferably, a plurality of weight-reducing grooves are formed in the first mounting cutters and the second mounting cutters, so as to reduce the overall weight.

[0009] Preferably, the first triangular soil breaking blade and the second triangular soil breaking blade are provided with blade edges, so that the first triangular soil breaking blade and the second triangular soil breaking blade can break soil by using the blade edges and can perform weeding operation to cut off weeds to prevent the weeds from being entangled.

[0010] The utility model provides a special cutter of four drive micro tiller.

[0011] Beneficial effects:

[0012] 1、the special cutter of four drive micro tiller, according to the actual need of user selects different number of rotating shafts and extension shafts to carry out combination splicing, and uses connecting bolt to connect fixed, so that the number of blade group can be selectively installed according to the need, improve the flexibility and convenience of use, and the first triangular soil breaking blade and the second triangular soil breaking blade can break soil by using the blade edges, and can perform weeding operation to cut off weeds to prevent the weeds from being entangled, improve work efficiency.

[0013] 2、the special cutter of four drive micro tiller, by setting up the lightening groove, the overall weight can be reduced, so that the running efficiency is higher, and it is more light and fuel-efficient. DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is another direction structure schematic diagram of the utility model;

[0016] Figure 3 It is the connecting structure schematic diagram between the rotating shaft and the extension shaft of the utility model;

[0017] Figure 4 It is the first mounting frame structure schematic diagram of the utility model.

[0018] In the drawing: 1, rotating shaft;2, extension shaft;3, first mounting cutter holder;4, first mounting frame;5, first triangular soil breaking blade;6, second mounting cutter holder;7, second mounting frame;8, second triangular soil breaking blade;9, connecting bolt. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of cutter special for four-wheel drive micro tiller, including rotating shaft 1, three first installation tool rest 3 are fixedly connected on rotating shaft 1, multiple first installation frame 4 are fixedly connected between adjacent two first installation tool rest 3, multiple first triangular soil-breaking blade 5 are fixedly connected on each first installation frame 4, and the installation frame and triangular soil-breaking blade installed between adjacent installation tool rest constitute a group of blade group, and the number of triangular soil-breaking blade on the blade group of each group is 2-12, and the least blade group is two, and expansion shaft 2 is installed at the end of rotating shaft 1, expansion shaft 2 is inserted with the end of rotating shaft 1, and expansion shaft 2 and rotating shaft 1 are detachably connected by connecting bolt 9, expansion shaft 2 can be installed on the end of rotating shaft 1, and multiple rotating shafts 1 and multiple expansion shafts 2 are combined and spliced, so that the number of blade group can be selectively installed according to needs, the flexibility and convenience of use are improved, expansion shaft 2 is fixedly connected with two second installation tool rest 6, multiple first installation tool rest 3 and multiple second installation tool rest 6 are all provided with multiple weight reduction grooves, so that the overall weight can be reduced, the operation efficiency is higher, it is more light and fuel-efficient, the cross-sectional shape of rotating shaft 1 and expansion shaft 2 is hexagonal, first installation tool rest 3 and second installation tool rest 6 are welded on rotating shaft 1 and expansion shaft 2 respectively, so that rotating shaft 1 and expansion shaft 2 can drive first installation tool rest 3 and second installation tool rest 6 to rotate, multiple second installation frame 7 are fixedly connected between two second installation tool rest 6, multiple second triangular soil-breaking blade 8 are fixedly connected on each second installation frame 7, blade edge is provided on first triangular soil-breaking blade 5 and second triangular soil-breaking blade 8, so that first triangular soil-breaking blade 5 and second triangular soil-breaking blade 8 can break soil by using blade edge, and can carry out weeding operation, cut off weeds to prevent entanglement, the rotation direction of rotating shaft 1 and expansion shaft 2 is set as clockwise direction, so that the blade edge of first triangular soil-breaking blade 5 and second triangular soil-breaking blade 8 is first contacted with land and weeds, so that soil breaking and weeding can be carried out, and first triangular soil-breaking blade 5 and second triangular soil-breaking blade 8 can be changed into arc form.

[0021] When working, different numbers of rotating shafts 1 and expansion shafts 2 are combined and spliced according to actual needs of user, and are connected and fixed using connecting bolt 9, so that the number of blade group can be selectively installed according to needs, the flexibility and convenience of use are improved, when working, rotating shaft 1 and expansion shaft 2 drive first installation tool rest 3 and second installation tool rest 6 to rotate, first installation tool rest 3 and second installation tool rest 6 drive first installation frame 4 and second installation frame 7 to rotate, first installation frame 4 and second installation frame 7 drive first triangular soil-breaking blade 5 and second triangular soil-breaking blade 8 to rotate, so that first triangular soil-breaking blade 5 and second triangular soil-breaking blade 8 can break soil by using blade edge, and can carry out weeding operation, cut off weeds to prevent entanglement, improve work efficiency.

[0022] Also, any format not described in detail herein is considered to be conventional and well known by those skilled in the art.

Claims

1. A special blade for a four-wheel drive micro-tiller, comprising a rotating shaft (1), characterized in that: Three first mounting cutter holders (3) are fixedly connected to the rotating shaft (1). Multiple first mounting frames (4) are fixedly connected between two adjacent first mounting cutter holders (3). Multiple first triangular soil-breaking cutters (5) are fixedly connected to each first mounting frame (4). An extension shaft (2) is installed at the end of the rotating shaft (1). Two second mounting cutter holders (6) are fixedly connected to the extension shaft (2). Multiple second mounting frames (7) are fixedly connected between the two second mounting cutter holders (6). Multiple second triangular soil-breaking cutters (8) are fixedly connected to each second mounting frame (7).

2. The special blade for a four-wheel drive mini-tiller according to claim 1, characterized in that: The extension shaft (2) is inserted into the end of the rotating shaft (1), and the extension shaft (2) and the rotating shaft (1) are detachably connected by a connecting bolt (9).

3. The special blade for a four-wheel drive mini-tiller according to claim 1, characterized in that: The cross-sectional shape of the rotating shaft (1) and the extending shaft (2) is set to hexagonal, and the first mounting tool holder (3) and the second mounting tool holder (6) are respectively welded to the rotating shaft (1) and the extending shaft (2).

4. The special blade for a four-wheel drive mini-tiller according to claim 1, characterized in that: The rotation direction of the rotating shaft (1) and the extension shaft (2) is set to clockwise.

5. A special blade for a four-wheel drive mini-tiller according to claim 1, characterized in that: Multiple weight-reducing grooves are provided on multiple first mounting tool holders (3) and multiple second mounting tool holders (6).

6. A special blade for a four-wheel drive mini-tiller according to claim 1, characterized in that: Both the first triangular soil-breaking blade (5) and the second triangular soil-breaking blade (8) have cutting edges.

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