CN214046565U

CN214046565U - Hoeing knife and hoeing equipment

Info

Publication number: CN214046565U
Application number: CN202022940522.3U
Authority: CN
Inventors: 曾约举
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-27
Anticipated expiration: 2030-12-10

Abstract

The utility model provides a hoeing sword and hoeing equipment relates to agricultural machine cutter technical field. The hoeing knife comprises a rotating shaft and a plurality of blades which are uniformly distributed around the end part of the rotating shaft, wherein the blades comprise cutting edges which are obliquely arranged towards one side of soil; the hoeing equipment is formed by the transmission connection of a power assembly and the hoeing knife. The utility model is suitable for a hoeing operation of soil top layer soil, it is light high-efficient, it is convenient to use, and simple structure can improve the work efficiency of complicated topography such as hills mountain region. Because the hoe is hoed by the surface soil, the damage to the roots of deep soil crops is reduced. The cutting edge obliquely arranged towards one side of the soil can provide axial acting force penetrating into the soil and tangential acting force required for hoeing the ground simultaneously, and practicability is improved. The hoeing equipment provides power required for hoeing while meeting the requirements of weeding and loosening soil.

Description

Hoeing knife and hoeing equipment

Technical Field

The utility model relates to an agricultural machine cutter technical field especially relates to a hoeing sword and hoeing equipment.

Background

Hoeing is the work essential for farmers to manage crops in the field, and the purpose of hoeing is to remove weeds and prevent the weeds from competing for nutrition with the crops; and secondly, loosening the soil, cutting off capillaries of the soil and preventing the water in the soil from evaporating.

For some perennial plants and plants with weak roots, once planted, the plants cannot be deeply ploughed, and some places adopt chemical reagents to weed, so that soil and crops are polluted. Therefore, people have certain requirements for hoeing and loosening soil on surface soil.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a top layer soil hoes ground sword has reduced the damage to deep soil crops root to reduce the dependence to the herbicide.

Another object of the utility model is to provide a top layer soil hoes ground equipment, this equipment has still provided the required power of hoeing when having satisfied weeding, the demand of loosening the soil.

The embodiment of the utility model is realized like this:

in one aspect, some embodiments of the present invention provide a hoeing knife, including rotation axis and blade, the blade is a plurality of, and a plurality of blades encircle the one end that sets up at the rotation axis, and the blade includes the cutting edge, and the cutting edge inclines towards soil lateralization.

In some embodiments of the present invention, the blade is bent toward one side of the rotation shaft.

In some embodiments of the present invention, the blade further comprises a back, the cutting edge being bent towards the back.

In some embodiments of the present invention, the blade includes a root portion connected to the rotating shaft and a tip portion away from the rotating shaft, and the width of the blade is gradually reduced from the root portion to the tip portion.

In some embodiments of the present invention, the cutting edge is serrated.

In some embodiments of the invention, the blade sidewall is provided with a stiffener.

In some embodiments of the present invention, the end of the rotating shaft connected to one end of the blade is provided with a projection, and the projection has a pointed end.

In another aspect, some embodiments of the present disclosure provide a hoeing apparatus, including a power assembly and a hoeing blade as described above, the hoeing blade is drivingly connected to the power assembly.

In some embodiments of the utility model, the hoeing knife is detachably connected with the power assembly.

In some embodiments of the present invention, the one end of the rotating shaft away from the blade is provided with a first connecting portion, and the first connecting portion is detachably connected to the rotating shaft.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

in one aspect, the present embodiment provides a hoeing knife, including a rotating shaft and a plurality of blades, the plurality of blades are disposed around one end of the rotating shaft, and the blades include a blade edge, and the blade edge is inclined toward one side of soil. The device is suitable for hoeing the soil on the surface of the soil, and the damage to the roots of deep soil crops is reduced because the surface soil is hoed; the blade arranged obliquely downwards can provide axial acting force penetrating into soil and tangential acting force required by hoeing simultaneously; meanwhile, the inclined cutting edge can enhance the stirring of the soil, and the hoeing efficiency is improved; in addition, the root of a plurality of blades can be dodged each other to the blade that inclines to make the area of root and rotation axis contact not receive the restriction of blade quantity, increased the joint strength of blade, reduce the risk that the blade drops. The utility model is portable and small, can enter complex terrains such as hills and mountains and areas where large-scale equipment is difficult to work for hoeing, improves hoeing efficiency, reduces dependence on herbicides and reduces harm to nature and crops; in addition, according to the power assemblies with different land conditions and different powers, hoeing knives with different blades in number and size can be selected, so that the use flexibility is improved; the utility model discloses simple structure, processing is convenient, low cost.

When the hoe is used actually, a user connects one end, far away from the blade, of the rotary shaft of the hoeing knife with the power assembly, the power assembly drives the hoeing knife to rotate, the axis of the rotary shaft of the hoeing knife is vertically arranged on the surface layer of soil, and the rotary blade is used for stirring the soil on the surface layer to carry out hoeing operation.

In another aspect, some embodiments of the present disclosure provide a hoeing apparatus including a power assembly and a hoeing blade as described in the previous embodiments, wherein the hoeing blade is drivingly connected to the power assembly. The device meets the requirements of weeding and loosening the soil and simultaneously provides power required by hoeing; meanwhile, the power assembly is added, so that the selection steps of power equipment before hoeing are reduced, and the hoeing efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of the overall structure of a hoeing knife according to an embodiment of the present invention;

FIG. 2 is an exploded view of the rotary shaft, blades and power assembly of the embodiment of the present invention;

FIG. 3 is a schematic view of the overall structure of the hoeing knife and the power assembly 3 of the embodiment of the present invention

FIG. 4 is a schematic view of the overall structure of the hoeing knife with the rotating shaft and the blade connected by the screw according to the embodiment of the present invention;

fig. 5 is an exploded view of the rotating shaft 1 and the detachable first connecting portion 101 according to the embodiment of the present invention.

Icon: 1-a rotating shaft; 101-a first connection; 102-a bump; 2-a blade; 201-knife edge; 202-root; 2021-gap; 203-tip; 204-knife back; 205-reinforcing ribs; 3-a power assembly; 301-a second connection; 4-positioning pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that if the directions or positional relationships indicated by the terms "inside", "outside", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when using, the description is only for convenience of description and simplification of the present invention, and it is not intended to indicate or imply that the device or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "horizontal", "vertical" and the like do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

Referring to fig. 1, 2, 3 and 4, fig. 1 is a schematic view of the overall structure of a hoeing knife according to an embodiment of the present invention; fig. 2 is an exploded view of the rotating shaft 1, the blade 2 and the power assembly 3 according to the embodiment of the present invention; fig. 3 is a schematic view of the overall structure of a hoeing knife with a rotary shaft 1 and a blade 2 screwed together according to an embodiment of the present invention.

The embodiment provides a hoeing knife, which comprises a rotating shaft 1 and a plurality of blades 2, wherein the plurality of blades 2 are arranged at one end of the rotating shaft 1 in a surrounding manner, the blades 2 comprise blade edges 201, and the blade edges 201 are obliquely arranged towards one side of soil.

In this embodiment, the rotating shaft 1 is a cylinder, the number of the blades 2 may be 4, the root 202 of each blade 2 is provided with an arc notch 2021 connected to the side wall of the rotating shaft 1, and the blade 2 is welded to the side wall of one end of the rotating shaft 1 through the notch 2021. In the working process of the hoeing knife, the root 202 is the position of the blade 2 with the largest resultant force and resultant moment, and the gap 2021 can increase the welding area of the root 202 and the rotating shaft 1, improve the connection strength of the root 202 and reduce the risk of falling off of the blade 2; the rigidity of the welding connection is high, the risk of the blade 2 breaking is reduced, and meanwhile, the product integrity is increased; the blades 2 are uniformly distributed at the end part of the rotating shaft 1 around the rotating shaft 1, and the uniformly distributed blades 2 improve the rotating stability of the hoeing knife during working; blade 201 is arranged to be inclined downwards, and blade 201 inclined downwards can provide axial force going deep into soil and tangential force needed for hoeing. Meanwhile, the inclined blade 2 can increase the volume swept by the blade 2 in the soil, enhance the stirring of the hoeing knife to the soil and improve the use efficiency; in addition, the inclined cutting edge 201 can enable the root parts 202 of the plurality of blades 2 to mutually avoid, the welding area of the root parts 202 and the rotating shaft 1 is not limited by the number of the blades 2, the increase of the welding area enables the connection strength of the blades 2 to be increased, and the risk of falling off of the blades 2 is reduced; the hoeing knife in the embodiment is light and efficient, has small volume, can be used for hoeing in complex terrains such as hills and mountains and corners where large-scale equipment is difficult to work, improves hoeing efficiency, reduces dependence on herbicides and reduces harm to nature and crops; in addition, according to the power assemblies 3 with different land conditions and different powers, hoeing knives with different blades 2 in number and size can be selected, so that the use flexibility is improved; the utility model discloses simple structure, blade 2 can adopt manual cutting to accomplish, also can make through the mature modes of technologies such as mould punching press, and processing is convenient, low cost.

In the above embodiment, the included angle between the side wall of the blade 2 and the linear velocity direction of the movement of the blade edge 201 may be 140 degrees; in the embodiment, the obtuse angle formed by the included angle between the side wall of the blade 2 and the moving linear speed direction of the blade 201 is greater than 135 degrees, so that main power can be provided for the direction of tangential acting force required by hoeing, a small part of power can be provided for the direction of axial acting force going deep into soil, the main power can be used for hoeing while certain power going deep into soil is provided, and the energy utilization rate is increased.

In the above embodiment, the angle at which the notch 2021 is welded to the rotation shaft 1 may be set to 130 degrees. The welding angle of more than or equal to 130 degrees can better ensure the strength of the root 202 and prolong the service life; the welding angle of 130 degrees can reduce the usage amount of the material of the blade 2 to the maximum extent on the basis of ensuring better strength of the root 202, and the cost is reduced.

In other embodiments than the above embodiments, the angle at which the notch 2021 is welded to the rotation shaft 1 may be set to 170 degrees.

In other embodiments except the above embodiment, the root 202 of the blade 2 is bent in the direction of the rotating shaft 1, a screw hole is formed at the bent portion, and a screw hole is formed at the connection portion between the rotating shaft 1 and the blade 2. The screw hole of the insert 2 is aligned with the screw hole of the rotary shaft 1, and the insert 2 is fixed to the rotary shaft 1 by a screw. The screw connection has the detachable characteristic, and when the blade 2 and the rotating shaft 1 are damaged or reach the service life, the corresponding parts are replaced to continue to be used. The service cycle of the product is prolonged, and the use cost is reduced.

In other embodiments than the above embodiments, the number of the blades 2 may be set to two, and the two blades 2 are uniformly distributed at one end of the rotating shaft 1. Two blades 2 are when guaranteeing hoe sword rotational stability, and more blades 2 can reduce the resistance of soil to hoe sword by the at utmost, use the power component 3 of less power can satisfy the requirement. The power assembly 3 with smaller power is easier to miniaturize, the whole volume of the hoeing equipment is reduced, and the application range is enlarged.

In other embodiments than the above embodiments, the number of the blades 2 may be set to 3, and the 3 blades 2 are uniformly distributed at one end of the rotating shaft 1.

When the hoe is used actually, a user connects one end, far away from the blade 2, of the rotary shaft 1 of the hoe blade with the power assembly 3, the power assembly 3 is used for driving the hoe blade to rotate, the axis of the rotary shaft 1 of the hoe blade is vertically arranged on the surface layer of soil, and the rotary blade 2 is used for stirring the soil on the surface layer to perform hoeing operation.

Example 2

Referring to fig. 1, fig. 1 is a schematic view of an overall structure of a hoeing knife according to an embodiment of the present invention.

The present embodiment proposes, based on the technical solution of embodiment 1: the blade 2 is bent toward the side of the rotary shaft 1.

In the present embodiment, the blade 2 is curved in a circular arc shape toward the rotation axis 1, the center of the circular arc may be set on the rotation axis 1, and the central angle of the circular arc blade 2 may be set to 45 degrees. When the hoeing knife works, the arc-shaped bent blade 2 with the central angle less than or equal to 90 degrees can block sandy soil splashed outwards due to centrifugal action to a certain degree, so that the splashing range of the sandy soil is reduced, and dirt splashed to the body of a user is reduced.

In other embodiments than the above-described embodiments, the central angle of the circular arc-shaped insert 2 may be set to 90 degrees.

In other embodiments than the above-described embodiments, the central angle of the circular arc-shaped insert 2 may be set to 30 degrees.

Example 3

Referring to fig. 2, fig. 2 is an exploded view of a rotating shaft 1, a blade 2 and a power assembly 3 according to an embodiment of the present invention.

The present embodiment proposes, based on the technical solution of embodiment 1: the cutting edge 201 is bent towards the back 204 of the blade 2.

In this embodiment, the cutting edge 201 may be curved toward the back 204. When the hoeing knife works, an obtuse included angle exists between the moving linear speed direction of the blade 2 and the tangential direction of the arc-shaped knife edge 201, so that part of force acting on the knife edge 201 can be decomposed to the tangential direction of the knife edge 201, and the risk of knife breakage is reduced; and meanwhile, when an obstacle is met, the risk of the power assembly 3 being stuck is reduced.

In other embodiments, other than the above embodiments, the cutting edge 201 may be folded toward the back 204.

Example 4

The present embodiment proposes, based on the technical solution of embodiment 1: the blade 2 includes a root 202 connected to the rotating shaft 1 and a tip 203 far from the rotating shaft 1, and the width of the blade 2 is gradually reduced from the root 202 to the tip 203.

The width of the root 202 of the blade 2 in this embodiment is greater than the width of the tip 203. When the hoeing knife works, the resultant force and the resultant moment applied to the blade 2 are gradually reduced along the direction of being far away from the rotating shaft 1, the width of the blade 2 is gradually reduced from the root part 202 to the tip part 203, the strength of the blade 2 is ensured, the material consumption of the blade 2 is reduced, and the production cost is reduced.

Example 5

The present embodiment proposes, based on the technical solution of embodiment 1: the blade 201 is serrated.

The saw-tooth shape of the blade 201 in this embodiment may be provided as a back-folding tooth. When the hoeing knife meets a hard area or an obstacle during working, the serrated blade 201 can better cut soil agglomerates and the obstacle, so that the practicability is improved; the back folding teeth can increase the strength of the saw teeth.

In the above embodiment, the serrations are bent alternately to both sides of the blade 2. The alternating bent saw teeth increase the stirring of the blade 201 to the soil and improve the hoeing efficiency.

The saw-tooth shape of the blade 201 in other embodiments than the above described embodiments may be provided as a convex back tooth.

Example 6

The present embodiment proposes, based on the technical solution of embodiment 1: the side walls of the blade 2 are provided with ribs 205.

In the embodiment, the middle part of the side wall of the blade 2 is provided with the reinforcing rib 205 parallel to the cutting edge 201, the reinforcing rib 205 can be a rib pressing, when the blade 2 is stamped and formed by adopting a die, a rib pressing module can be directly arranged on the stamping die, a rib pressing structure is added under the condition that the process step is not increased, and the cost is saved; the blade 2 is thinner, so that the strength of the blade 2 is increased by the reinforcing ribs 205; meanwhile, the reinforcing ribs 205 increase the stirring of the blade 2 to the soil and improve the hoeing effect.

Example 7

Referring to fig. 1, fig. 1 is a schematic view of the whole hoe blade according to the embodiment of the present invention.

The present embodiment proposes, based on the technical solution of embodiment 1: the end of the rotating shaft 1 connected to one end of the blade 2 is provided with a projection 102, and the projection 102 has a tip.

The projection 102 in this embodiment may be a conical projection 102 having the axis of the rotation shaft 1 as a symmetry axis. When the hoeing knife works, the tip of the conical convex block 102 can be arranged to the soil below the hoeing knife, so that the hoeing knife can be more easily inserted into the soil, and the stability of the hoeing knife during working is improved.

In other embodiments than the above, the projection 102 may be provided as a conical projection 102 having a tip offset from the axis of the rotary shaft 1. When the hoeing knife works, the tip of the conical projection 102 eccentrically rotates, so that the stirring of soil can be enhanced, and the hoeing efficiency is improved.

In other embodiments except the above embodiments, the projection 102 may be a quadrangular pyramid-shaped projection 102 having the axis of the rotation shaft 1 as a symmetry axis.

Example 8

Referring to fig. 3, fig. 3 is a schematic view of the overall structure of the hoeing knife and the power assembly 3 according to the embodiment of the present invention.

This embodiment provides a hoeing apparatus: comprises a power assembly 3 and a hoeing knife in any one of the embodiments, wherein the hoeing knife is in transmission connection with the power assembly 3.

In the embodiment, the power assembly 3 and the hoeing blade can be an integrated device, the rotating shaft 1 serves as a power output shaft of the power assembly 3, and the power assembly 3 drives the rotating shaft 1 to rotate, so that the whole hoeing blade is driven to rotate. The power assembly 3 and the hoeing knife are integrated, so that the number of parts of hoeing equipment is reduced, and the integrity of the product is improved.

Example 9

The present embodiment proposes, based on the technical solution of embodiment 8: the hoeing knife is detachably connected with the power component 3.

In this embodiment, the one end of the rotating shaft 1 far away from the blade 2 is provided with a first connecting portion 101, the power output end of the power assembly 3 is provided with a second connecting portion 301, the first connecting portion 101 and the second connecting portion 301 are all provided with matched pin holes, the pin holes in the first connecting portion 101 are aligned with the pin holes in the second connecting portion 301, and the positioning pin 4 is inserted into the pin holes to fixedly connect the first connecting portion 101 and the second connecting portion 301. The positioning pin 4 can transmit the power provided by the power assembly 3 to the hoe blade and provide the acting force required by the axial and circumferential fixation of the hoe blade.

In the above embodiment, the second connection portion 301 may be provided as a regular hexagonal recess, and the first connection portion 101 is a regular hexagonal column matched with the second connection portion 301, and in actual use, the first connection portion 101 is inserted into the recess of the second connection portion 301. During the rotation process, the hexagonal column can provide the acting force required by circumferential fixing of the hoeing knife, and the power of the power assembly 3 is transmitted to the rotating shaft 1, so that the hoeing knife rotates.

In other embodiments except the above embodiments, the second connection portion 301 may be configured as a regular triangular groove, and the first connection portion 101 is a regular triangular column matched with the second connection portion 301.

In other embodiments except the above embodiments, the power output end of the power assembly 3 is provided with a power output shaft, and the power output shaft is provided with a key slot. The first connecting portion 101 has a key groove. The rotating shaft 1 and the power assembly 3 are connected with the coupling through keys. The power output shaft of the handheld rotating motor drives the rotating shaft 1 to rotate through the coupler and the key.

In other embodiments than the above, the second connecting portion 301 may be provided with internal threads, the first connecting portion 101 is external threads matching with the second connecting portion 301, and the power assembly 3 is screwed with the hoe blade. The threaded connection has the advantages of convenient disassembly and assembly and convenient processing.

In other embodiments, the first connecting portion 101 and the second connecting portion 301 may be provided as a snap fit to each other, and the power assembly 3 and the hoe blade are connected by the snap fit. The buckle connection has the advantages of convenient assembly and disassembly and simple structure.

Example 10

Referring to fig. 5, fig. 5 is an exploded view of the rotating shaft 1 and the detachable first connecting portion 101 according to the embodiment of the present invention.

The present embodiment proposes, based on the technical solution of embodiment 8: one end of the rotating shaft 1 far away from the blade 2 is provided with a first connecting part 101, and the first connecting part 101 is detachably connected with the rotating shaft 1.

In the present embodiment, an end of the rotating shaft 1 away from the blade 2 is provided with a male screw, an end of the first connecting portion 101 connected to the rotating shaft 1 is provided with a female screw, and the rotating shaft 1 is connected to the first connecting portion 101 by a screw. The threaded connection has the characteristic of being detachable, different first connecting parts 101 can be selected according to different second connecting parts 301, and the application range of the product is widened; meanwhile, when the rotating shaft 1 and the first connecting portion 101 are damaged or reach the service life, the rotating shaft can be continuously used by replacing corresponding parts. The service cycle of the product is prolonged, and the use cost is reduced.

In other embodiments except the above embodiments, the first connecting portion 101 and the end of the rotating shaft 1 away from the blade 2 may be provided as a snap fit with each other, and the first connecting portion 101 and the rotating shaft 1 are connected by the snap fit. The buckle connection has the advantages of convenient assembly and disassembly and simple structure.

In summary, in one aspect, the present invention provides a hoeing blade, which includes a rotating shaft 1 and a plurality of blades 2, wherein the plurality of blades 2 are disposed around one end of the rotating shaft 1, and the cutting edge 201 of the blade 2 is inclined toward the soil. The device is suitable for hoeing the soil on the surface of the soil. Because the hoe is hoed by surface soil, the damage to the roots of deep soil crops is reduced; the blade 201 arranged obliquely downwards can provide axial acting force penetrating into soil and tangential acting force required by hoeing; meanwhile, the inclined blade edge 201 can increase the volume swept by the blade 2 in the soil, increase the stirring of the soil and improve the hoeing efficiency. In addition, the inclined cutting edge 201 enables the root parts 202 of the plurality of blades 2 to mutually avoid, the contact area of the root parts 202 and the rotating shaft 1 is not limited by the number of the blades 2, the connection strength of the blades 2 is increased, and the risk of falling off of the blades 2 is reduced. The utility model is portable, efficient and small in size, can be suitable for complex terrains such as hills and mountains and corners where large equipment is difficult to work, hoes, improves hoeing efficiency, reduces dependence on herbicides and reduces harm to nature and crops; in addition, according to the power assemblies 3 with different land conditions and different powers, hoeing knives with different blades 2 in number and size can be selected, so that the use flexibility is improved; the utility model discloses simple structure, blade 2 can adopt manual cutting to accomplish, also can make through the mature modes of technologies such as mould punching press, and processing is convenient, low cost.

On the other hand, the utility model provides a hoeing device in other embodiments except that above-mentioned embodiment, including power component 3 and the hoeing sword in above-mentioned embodiment, the hoeing sword is connected with power component 3 transmission. The device meets the requirements of weeding and loosening the soil and simultaneously provides power required by hoeing; meanwhile, the power assembly 3 is added, so that the selection steps of power equipment before hoeing are reduced, and the hoeing efficiency is improved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A hoeing knife comprising a plurality of rotating shafts and a plurality of blades circumferentially disposed at one end of the rotating shafts, the blades including cutting edges inclined to a soil side.

2. The hoe blade of claim 1, wherein the blade is curved toward one side of the pivot axis.

3. The hoe blade of claim 1, wherein the blade edge is bent toward the back of the blade.

4. The hoe blade of claim 1, wherein the blade includes a root connected to the rotating shaft and a tip remote from the rotating shaft, the blade tapering in width from the root to the tip.

5. The hoe blade of claim 1, wherein the blade is serrated.

6. The hoe blade of claim 1, wherein the blade sidewalls are provided with stiffening ribs.

7. The hoe blade of claim 1, wherein the end of the rotating shaft that connects to one end of the blade is provided with a projection, the projection having a pointed end.

8. Hoeing apparatus, comprising a power assembly and a hoe blade as claimed in any one of claims 1 to 7 in driving connection with said power assembly.

9. The hoeing apparatus of claim 8, wherein the hoe blade is removably coupled to the power assembly.

10. Hoe device according to claim 8, wherein the end of the rotating shaft remote from the blade is provided with a first coupling part which is detachably connected to the rotating shaft.