Automatic weeding machine with crushing effect

By using a worm shaft and sprocket chain transmission system, the friction of the ground wheel drives the blades to rotate and chop weeds, solving the problems of inconvenience and poor cutting and shredding effect of non-powered weed cutters, and achieving efficient weeding and moisture retention.

CN223568132UActive Publication Date: 2025-11-21HEILONGJIANG AGRICUTURAL ENGINEARING VOCATIONAL COLLEGE
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Patent Information

Application Number
CN202423210984.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-11-21
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Existing non-powered weed cutters are not very convenient and have poor cutting and shredding effects, resulting in reduced weeding quality.

Method used

The system uses a worm shaft to drive a sprocket and chain transmission. The ground wheel rotates due to friction with the ground, which drives the blades to chop weeds. Combined with the worm gear transmission, rotary tillage and weeding are achieved, improving weeding efficiency.

Benefits of technology

It achieves efficient chopping of weed roots, stems, and leaves, improving weeding efficiency, ensuring the quality of weeding on the soil surface without deep tilling, and achieving the effect of weeding and moisture retention.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic weeding machine with a smashing effect, and relates to the technical field of agricultural machinery, the automatic weeding machine comprises a rack, the outer wall of the rack is fixedly connected with a fixed support, the outer wall of the fixed support is fixedly connected with a land wheel support, the outer wall of the land wheel support is provided with a land wheel shaft, and the land wheel shaft is fixedly connected with the fixed support. A connecting land wheel is fixedly connected to the outer wall of the land wheel shaft, the worm shaft is arranged, friction force is generated by means of contact between the land wheel and the ground, rotation of the land wheel is achieved, the rotary blades are driven to rotate, rotation of the weeding tool is achieved, weeds on the surface of the land are cut up, rhizomes and green leaves are smashed, and the grass completely loses the resurgence opportunity. In order to ensure no loss and no loss of the rotating speed in the transmission process, a chain wheel and a chain are adopted as transmission media, a worm gear and a worm are adopted to realize rotary tillage weeding, the effect of improving the weeding operation efficiency is achieved, and the effects of weeding and soil moisture conservation are achieved through rotary tillage weeding on the ground surface without deep ploughing of soil.
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Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery technical field, concretely is a kind of automatic weeder with pulverization effect. BACKGROUND

[0002] At present, there are many types of weeding equipment on the market, most of which are driven by manpower, engine or electricity, and the application of weeder is very few, most of which are lawn mowers that cut grass on the entire working surface. In agricultural planting, most of the weeds are removed manually. After deep ploughing, grass will grow on the ground when sowing. In order to better prepare the land for sowing and weed removal, it is necessary to remove straw.

[0003] However, the existing weeder is not convenient for use without power drive, increases the cost of daily use of weeder, reduces the efficiency of weeding operation, and the cutting and pulverization effect of weeds is not high when rotating and cutting the surface of the land, which further reduces the quality of weeding.

[0004] Therefore, in view of the above problems, the existing structure is improved, and a kind of automatic weeder with pulverization effect is provided. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a kind of automatic weeder with pulverization effect to solve the problem of the convenience of the weeder without power drive being not high, the cutting and pulverization effect of weeds being not high, and the quality of weeding being reduced.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of automatic weeder with pulverization effect, including rack, the outer wall of the rack is fixedly connected with fixed support, the outer wall of the fixed support is fixedly connected with land wheel support, land wheel shaft is installed on the outer wall of the land wheel support, the outer wall of the land wheel shaft is fixedly connected with connecting land wheel, the outer wall of the land wheel shaft is fixedly connected with third sprocket, one side of the third sprocket is provided with second sprocket, the connecting part of the second sprocket and third sprocket is provided with second chain, the rotation center of the second sprocket is fixedly connected with the first sprocket of the outer wall of the fixed support through connecting shaft, the connecting part of the second sprocket and first sprocket is provided with first chain, the outer wall of the rack is fixedly connected with turbine box, the inner wall of the turbine box is rotatably connected with the fixed connection of the first sprocket rotation center Worm shaft, the outer wall of the worm shaft is engaged with the rotation connection of the turbine box inner wall Connecting worm, the rotation center of the connecting worm is fixedly connected with cutter bar through rotating shaft, and the outer wall of the cutter bar is welded with cutter tooth.

[0007] Further, the second sprocket is provided with double sprocket.

[0008] Further, the worm shaft is a full-length shaft, which drives all the long and short cutter bars to rotate, and the rotation center of the connecting worm wheel and the rotation center of the cutter bar are in the same horizontal plane.

[0009] Further, the overall width of the rack is 2.5 meters.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] The utility model discloses a worm shaft is arranged, and the friction force is generated by the contact of the ground wheel and the ground to realize the rotation of the ground wheel, thereby driving the rotary blade to rotate, realizing the rotation of the weeding tool, cutting the weeds on the land surface, crushing rhizome and green leaves, and making the weeds completely lose the opportunity of revival. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is rack front view structure schematic diagram;

[0013] Figure 2 It is rack top view structure schematic diagram;

[0014] Figure 3 It is rack and fixed support connection structure schematic diagram;

[0015] Figure 4 It is worm shaft position distribution structure schematic diagram;

[0016] Figure 5 It is worm shaft and connecting worm wheel connection structure schematic diagram.

[0017] In the drawing: 1, cutter tooth;2, worm shaft;3, turbine box;4, rack;5, cutter bar;6, first sprocket;7, first chain;8, second sprocket;9, second chain;10, ground wheel support;11, third sprocket;12, connecting ground wheel;13, ground wheel shaft;14, fixed support;15, connecting worm wheel. DETAILED DESCRIPTION

[0018] The technical scheme 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 belong to the protection scope of the utility model.

[0019] Embodiment: asFigures 1-5 As shown, an automatic weeding machine with a crushing effect comprises a rack 4, a fixed support 14 fixedly connected to the outer wall of the rack 4, a ground wheel support 10 fixedly connected to the outer wall of the fixed support 14, a ground wheel shaft 13 installed on the outer wall of the ground wheel support 10, a connecting ground wheel 12 fixedly connected to the outer wall of the ground wheel shaft 13, a third sprocket 11 fixedly connected to the outer wall of the ground wheel shaft 13, a second sprocket 8 provided on one side of the third sprocket 11, a second chain 9 provided at the connecting position of the second sprocket 8 and the third sprocket 11, a first sprocket 6 fixedly connected to the outer wall of the fixed support 14 through a connecting shaft and rotatably connected to the second sprocket 8, a first chain 7 provided at the connecting position of the second sprocket 8 and the first sprocket 6, a turbine box 3 fixedly connected to the outer wall of the rack 4, a worm shaft 2 rotatably connected to the inner wall of the turbine box 3 and fixedly connected to the rotation center of the first sprocket 6, a connecting worm gear 15 rotatably connected to the inner wall of the turbine box 3 and meshed with the outer wall of the worm shaft 2, a cutter bar 5 fixedly connected to the rotation center of the connecting worm gear 15 through a rotating shaft, and a cutter tooth 1 welded to the outer wall of the cutter bar 5.

[0020] Further, the second sprocket 8 is a double sprocket, which is beneficial to improve the convenient linkage rotation of the connecting ground wheel 12.

[0021] Further, the worm shaft 2 is a full-length shaft, which drives all the long and short cutter bars to rotate, and the rotation center of the connecting worm gear 15 and the rotation center of the cutter bar 5 are on the same horizontal plane, which is beneficial to improve the rotation of all the long and short cutter bars and improve the weeding efficiency of the weeding machine.

[0022] Further, the overall width of the rack 4 is 2.5 meters, which is beneficial to improve the weeding efficiency and operation quality.

[0023] Working principle: when the automatic weeding machine with a crushing effect is used, first, the suspension type automatic weeding machine contacts the ground wheel with the ground during operation, and the ground wheel generates friction with the ground under the action of gravity. During the travel of the tractor, the ground wheel starts to rotate under force, the ground wheel rotates, the ground wheel shaft 13 rotates, the third sprocket 11 rotates, the second sprocket 8 starts to rotate through the second chain 9, the second sprocket 8 transmits power to the first sprocket 6 through the first chain 7, the first sprocket 6 is fixed on the worm shaft 2, the worm shaft 2 transmits power to the cutter bar 5 through the worm gear transmission, the cutter tooth 1 starts to rotate with the rotation of the cutter bar 5, and the cutter tooth 1 rotates the ground to crush the grass on the ground. Six groups of long and short cutter bars 5 are installed on the rack 4 and are distributed staggered, and all the cutter teeth 1 start to rotate and work when the operation is performed, so that the ground is rotary plowed and weeded.

[0024] This is the working principle of the automatic weeding machine with crushing effect.

[0025] Embodiments of the present application are presented by way of example and description, and are not exhaustive or limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to better illustrate the principles and practical application of the present application, and to enable others skilled in the art to understand the present application in order to design various embodiments with various modifications appropriate for a particular use.

Claims

1. An automatic weeding machine having a pulverizing effect, comprising a frame (4), characterized in that, The outer wall of the rack (4) is fixedly connected with a fixed support (14), the outer wall of the fixed support (14) is fixedly connected with a ground wheel support (10), the outer wall of the ground wheel support (10) is provided with a ground wheel shaft (13), the outer wall of the ground wheel shaft (13) is fixedly connected with a connecting ground wheel (12), the outer wall of the ground wheel shaft (13) is fixedly connected with a third chain wheel (11), one side of the third chain wheel (11) is provided with a second chain wheel (8), the connecting part of the second chain wheel (8) and the third chain wheel (11) is provided with a second chain (9), the rotation center of the second chain wheel (8) is fixedly connected with a first chain wheel (6) which is rotatably connected with the outer wall of the fixed support (14) through a connecting shaft, the connecting part of the second chain wheel (8) and the first chain wheel (6) is provided with a first chain (7), the outer wall of the rack (4) is fixedly connected with a turbine box (3), the inner wall of the turbine box (3) is rotatably connected with a worm shaft (2) which is fixedly connected with the rotation center of the first chain wheel (6), the outer wall of the worm shaft (2) is engaged with a connecting worm wheel (15) which is rotatably connected with the inner wall of the turbine box (3), the rotation center of the connecting worm wheel (15) is fixedly connected with a cutter bar (5) through a rotating shaft, and the outer wall of the cutter bar (5) is welded with a cutter tooth (1).

2. The automatic weeding machine having a pulverizing effect according to claim 1, characterized by, The second chain wheel (8) is a double chain wheel.

3. The automatic weeding machine having a pulverizing effect according to claim 1, characterized by, The worm shaft (2) is a full-length shaft, which drives all long and short cutter bars to rotate, and the rotation center of the connecting worm wheel (15) and the rotation center of the cutter bar (5) are in the same horizontal plane.

4. The automatic weeding machine having a pulverizing effect according to claim 1, characterized by, The overall width of the rack (4) is 2.5 meters.