阅读说明：本技术 一种用于水稻田的除草机 (Weeding machine for paddy field ) 是由 冯艳忠 李凤兰 王兆山 田立余 何流琴 吴建 张友明 廖秀东 李佳佳 杨秀梅 赫 于 2019-08-01 设计创作，主要内容包括：一种用于水稻田的除草机,其包括操纵杆、第一除草轮和第二除草轮,所述第一除草轮和所述第二除草轮对称地位于所述操纵杆的两侧,所述第一除草轮通过第一轮轴与第一力臂的一个端部连接,所述第二除草轮通过第二轮轴与第二力臂的一个端部连接,所述第一力臂的另一个端部和所述第二力臂的另一个端部对称地连接到所述操纵杆,所述操纵杆沿轴向方向移动时通过所述第一力臂和所述第一轮轴驱动所述第一除草轮以所述第一除草轮的中心轴线为轴旋转,所述操纵杆沿轴向方向移动时通过所述第二力臂和第二轮轴驱动所述第二除草轮以所述第二除草轮的中心轴线为轴旋转。(A weeding machine for paddy fields comprises a control lever, a first weeding wheel and a second weeding wheel, the first weeding wheel and the second weeding wheel are symmetrically positioned at two sides of the operating rod, the first weeding wheel is connected with one end part of the first force arm through a first wheel axle, the second weeding wheel is connected with one end of a second force arm through a second wheel axle, the other end of the first force arm and the other end of the second force arm are symmetrically connected to the operating rod, when the operating rod moves along the axial direction, the first weeding wheel is driven to rotate by the first force arm and the first wheel shaft by taking the central axis of the first weeding wheel as an axis, when the operating rod moves along the axial direction, the second weeding wheel is driven to rotate by the second force arm and the second wheel shaft by taking the central axis of the second weeding wheel as an axis.)

1. a weeding machine for paddy fields comprises a control lever, a first weeding wheel and a second weeding wheel, the first weeding wheel and the second weeding wheel are symmetrically positioned at two sides of the operating rod, the first weeding wheel is connected with one end part of the first force arm through a first wheel axle, the second weeding wheel is connected with one end of a second force arm through a second wheel axle, the other end of the first force arm and the other end of the second force arm are symmetrically connected to the operating rod, when the operating rod moves along the axial direction, the first weeding wheel is driven to rotate by the first force arm and the first wheel shaft by taking the central axis of the first weeding wheel as an axis, when the operating rod moves along the axial direction, the second weeding wheel is driven to rotate by the second force arm and the second wheel shaft by taking the central axis of the second weeding wheel as an axis.

2. A weeding machine as claimed in claim 1, wherein: the first weeding wheel comprises a first roller, a plurality of weeding blades are arranged on the periphery of the first roller, the weeding blades are uniformly distributed on the outer circumference of the first roller and are arranged along the tangential direction of the outer circumference, the central axis of the first wheel shaft is coincident with the central axis of the first roller,

The second weeding wheel comprises a second roller, a plurality of weeding blades are arranged on the periphery of the second roller, the weeding blades are uniformly distributed on the outer circumference of the second roller and are arranged along the tangential direction of the outer circumference, and the central axis of the second wheel shaft is overlapped with the central axis of the second roller.

3. A weeding machine as claimed in claim 2, wherein: the weeding blades on the first weeding wheel and the second weeding wheel are arranged to be parallel to the central axis of the corresponding first weeding wheel or second weeding wheel.

4. The weeding machine according to claim 2, wherein: the weeding blades on the first weeding wheel and the second weeding wheel are arranged to be inclined relative to the central axis of the corresponding first weeding wheel or second weeding wheel.

5. A weeding machine as claimed in claim 1, wherein: the first force arm and the second force arm are respectively in the shape of a bent inverted ox horn, and are symmetrically connected to one end of the operating lever, and the other end of the operating lever is used as a handheld part of the weeding machine.

6. A weeding machine as claimed in claim 1, wherein: the first and second force arms are arm members having a right angle bend, symmetrically connected to one end of the operating lever, the other end of the operating lever serving as a hand-held portion of the weeding machine.

7. A weeding machine as claimed in claim 5 or 6, wherein: the distance between the highest point of the first force arm and the lower edge of the outer circumference of the first weeding wheel is 90 cm-120 cm, and the distance between the highest point of the second force arm and the lower edge of the outer circumference of the second weeding wheel is 90 cm-120 cm.

8. A weeding machine as claimed in claim 1, wherein: the distance between the first weeding wheel and the second weeding wheel is 20cm-50 cm.

9. A weeding machine as claimed in claim 1, wherein: the width of the first weeding wheel and the second weeding wheel is 20cm-50 cm.

Technical Field

The application belongs to the technical field of agricultural equipment, and in particular relates to a weeding machine for a paddy field.

Background

Chemical and physical methods are commonly used in production for weed control. The chemical control is mainly based on herbicides. Common physical weeding includes artificial weeding and mechanical weeding. The artificial weeding efficiency is low, and the production cost is obviously increased. The mechanical weeding efficiency is high, and the weeding method is a common weeding mode at present. However, most of the weeding machines adopt electric rotation to weed, and weeds close to rice cannot be removed or rice seedlings are mistakenly shoveled and hoed.

Disclosure of Invention

In order to solve the above-mentioned problems occurring in the prior art, the present invention provides a weeding machine for paddy fields, which comprises a control lever, a first weeding wheel and a second weeding wheel, wherein the first weeding wheel and the second weeding wheel are symmetrically positioned at two sides of the control lever, the first weeding wheel is connected with one end part of the first force arm through a first wheel axle, the second weeding wheel is connected with one end part of the second force arm through a second wheel axle, the other end of the first force arm and the other end of the second force arm are symmetrically connected to the lever, when the operating rod moves along the axial direction, the first weeding wheel is driven to rotate by the first force arm and the first wheel shaft by taking the central axis of the first weeding wheel as an axis, when the operating rod moves along the axial direction, the second weeding wheel is driven to rotate by the second force arm and the second wheel shaft by taking the central axis of the second weeding wheel as an axis.

Preferably, the first weeding wheel comprises a first roller, a plurality of weeding blades are arranged on the periphery of the first roller, the weeding blades are uniformly distributed on the outer circumference of the first roller and are tangentially arranged along the outer circumference, and the central axis of the first wheel shaft is coincident with the central axis of the first roller. The second weeding wheel comprises a second roller, a plurality of weeding blades are arranged on the periphery of the second roller, the weeding blades are uniformly distributed on the outer circumference of the second roller and are arranged along the tangential direction of the outer circumference, and the central axis of the second wheel shaft is overlapped with the central axis of the second roller.

Preferably, the weeding blades on the first and second weeding wheels are arranged in parallel with the central axis of the respective first or second weeding wheel.

Preferably, the weeding blades on the first and second weeding wheels are arranged obliquely relative to the central axis of the respective first or second weeding wheel.

Preferably, the first and second force arms are each in the shape of a curved inverted ox horn, symmetrically connected to one end of the joystick, the other end of the joystick acting as a hand-held portion of the machine.

Preferably, the first and second force arms are arm members having a right angle bend, symmetrically connected to one end of the operating lever, the other end of the operating lever acting as a hand-held portion of the weeding machine.

Preferably, the distance between the highest point of the first force arm and the lower edge of the outer circumference part of the first weeding wheel is 90 cm-120 cm, and the distance between the highest point of the second force arm and the lower edge of the outer circumference part of the second weeding wheel is 90 cm-120 cm.

Preferably, the distance between the first weeding wheel and the second weeding wheel is 20cm-50 cm.

Preferably, the width of the first weeding wheel and the second weeding wheel is 20cm-70 cm.

The weeding machine provided by the invention is simple in structure, convenient and flexible to operate, and especially suitable for working in small-area paddy fields, and weeds are shoveled, ground and buried by applying force to the operating lever to drive the weeding wheels which are symmetrical on two sides to rotate and translate.

Drawings

Fig. 1 is a schematic view of a configuration of a weeding machine according to an embodiment of the present invention.

Fig. 2 is a schematic view of a configuration of a weeding machine according to another embodiment of the present invention.

Fig. 3 is a schematic view of the construction of a weeding wheel in the weeding machine shown in fig. 1.

Detailed Description

The following describes in detail a specific embodiment of the present invention with reference to the drawings. It should be understood that the following detailed description is for illustrative purposes only, and the scope of the present invention is not limited thereto.

Fig. 1 shows a schematic configuration of a weeder of an embodiment, which mainly includes a control lever 1, a first weeding wheel 2 and a second weeding wheel 3, the first weeding wheel 2 and the second weeding wheel 3 being symmetrically located on both sides of the control lever 1.

The first weeding wheel 2 has a first wheel axle 6 and a first roller 8, one end of the first wheel axle 6 is connected to the first roller 8, and the central axis of the first wheel axle 6 coincides with the central axis of the first roller 8. The other end of the first wheel axle 6 is connected to one end of the first force arm 4.

The second weeding wheel 3 has a second wheel axle 7 and a second roller 9, one end of the second wheel axle 7 is connected to the second roller 9, and the central axis of the second wheel axle 7 coincides with the central axis of the second roller 9. The other end of the second axle 7 is connected to one end of the second force arm 5.

The other end of the first force arm 4 and the other end of the second force arm 5 are connected to the operating lever 1, respectively, and are symmetrically located on both sides of the operating lever 1.

As shown in fig. 1 and 3, a plurality of weeding blades 10 are provided on the peripheral portions of the first roller 8 and the second roller 9, and the weeding blades 10 are uniformly arranged on the outer peripheral portion of the first roller 8 or the second roller 9 and arranged tangentially along the outer periphery.

Each weeding blade 10 can be arranged parallel to the central axis of the corresponding first or second weeding wheel 2, 3 or can be arranged inclined with respect to the central axis of the corresponding first or second weeding wheel 2, 3. When arranged inclined, each weeding blade 10 is preferably angled at an angle of 5-20 deg., most preferably 15 deg., to the respective central axis.

The first weed removing wheel 2 and the second weed removing wheel 3 can also be constructed into a rolling wheel structure, the rolling wheel comprises a roller, a plurality of convex components parallel to the central axis of the roller are arranged on the outer side surface of the roller, and the interval between every two adjacent convex components is 2-3 cm. The protruding member is preferably a steel bar or a member made of a hard plastic.

As shown in fig. 1, the first force arm 4 and the second force arm 5 may be curved arms in the shape of an inverted ox horn that are symmetrically attached to one end of the joystick 1, with the other end of the joystick 1 acting as a handle for the weeding machine. However, the first force arm 4 and the second force arm 5 may also be provided in other shapes. For example, in another embodiment of the weeding machine shown in fig. 2, the first and second force arms 4 ', 5' are arm members having a right-angled bend.

The distance H between the highest point of the first force arm 4 and the lower edge of the outer circumference part of the first weeding wheel 2 is 90 cm-120 cm. The distance between the highest point of the second force arm 5 and the lower edge of the outer circumference part of the second weeding wheel 3 is 90 cm-120 cm.

The distance L1 between the first weeding wheel 2 and the second weeding wheel 3 is 12cm-16 cm.

The width L2 of the first weed extractor 2 and the second weed extractor 3 is 20-30cm, preferably 22 cm.

When the grip of the weeding machine is held and the operating lever 1 is pushed or pulled to move in the axial direction of the operating lever 1, the pushing or pulling force on the operating lever 1 is transmitted to the first force arm 4 and the first wheel shaft 6, and the first weeding wheel 2 is driven to rotate around the central axis thereof along with the movement of the operating lever 1. The pushing force or pulling force on the operating rod 1 is simultaneously transmitted to the second force arm 5 and the second wheel shaft 7, and the second weeding wheel 3 is driven to rotate by taking the central axis thereof as an axis along with the movement of the operating rod 1. The first weed removal wheel 2 and the second weed removal wheel 3 hoe, roll and bury the weeds in the moving process in a moving way.

Although a few exemplary embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these exemplary embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.