CN216451756U

CN216451756U - Weeding device for weedy rice in tillering stage

Info

Publication number: CN216451756U
Application number: CN202120869855.3U
Authority: CN
Inventors: 孙建昌; 马静; 王劲松; 马洪文; 赵丹青; 陈丽; 来长凯; 张娇; 田梅
Original assignee: CROP Research Institute of Ningxia Academy of Agriculture and Forestry Sciences
Current assignee: CROP Research Institute of Ningxia Academy of Agriculture and Forestry Sciences
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2022-05-10
Anticipated expiration: 2031-04-26

Abstract

The utility model relates to the technical field of agricultural production, in particular to a weeding rice pulling-out device in a tillering stage, which comprises a shell, wherein a gear is rotatably arranged in the shell, a first rack and a second rack are slidably arranged in the shell, the first rack and the second rack are both meshed with the gear, and one end of the first rack is fixedly connected with a V-shaped pressing plate; second rack one end rigid coupling has first connecting rod, the rigid coupling has the spout on the first connecting rod, the rigid coupling has the mounting panel on the casing outer wall, two guide ways have been seted up to the symmetry on the mounting panel, the spout butt is in on the mounting panel, the spout with the slide bar is installed to the guide way fit in, what the slide bar bottom can be alive is connected with the blade, when pulling out weeds, utilizes the inside V-arrangement breach of clamp plate to press and pulls out weeds again on rice seedlings and the earth of weeds root to prevent that water rice seedlings is together pulled out.

Description

Weeding device for weedy rice in tillering stage

Technical Field

The utility model relates to the technical field of agricultural production, in particular to a weeding device for weedy rice in a tillering stage.

Background

Weedy rice is increasingly seriously damaged, is important weed for rice planting in places such as southeast Asia and south America as well as in domestic rice areas, and possibly causes rice abstinence in severe areas of the weedy rice. The weedy rice has strong growth and reproductive capacity, and rice has windward in the aspects of competing for sunlight, nutrition, moisture and the like, the weedy rice germinates and matures earlier than the rice, no breakthrough progress is made on the research of the weedy rice at present, the weedy rice is damaged by using a herbicide due to too close relationship between the weedy rice and the rice, and manual removal is mostly adopted. The cereal crops in the tillering stage extend out of the axils of the basal leaves by l-2cm, so that the tillering quantity of the crops is required to be promoted and controlled, weeds around the roots of the crops are required to be pulled out, and the roots of the crops in the tillering stage are shallow, so that the weeds around the roots of the crops are easily pulled out together with the crops when the weeds around the roots of the crops are pulled out, the cultivated rice is pulled out, the basic seedlings of the crops are reduced, and the yield is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defect that weeds around the roots of crops are easy to be removed together with the crops in the prior art, and provides a tillering stage weed rice removing device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

designing a weeding rice pulling device in the tillering stage, which comprises a shell, wherein a gear is rotatably arranged in the shell, a first rack and a second rack are slidably arranged in the shell, the first rack and the second rack are both meshed with the gear, and one end of the first rack is fixedly connected with a V-shaped pressing plate;

the utility model discloses a novel gear rack, including casing, first connecting rod, spout, slide bar bottom, casing top, second rack one end rigid coupling has first connecting rod, the rigid coupling has the spout on the first connecting rod, the rigid coupling has the mounting panel on the casing outer wall, two guide ways have been seted up to the symmetry on the mounting panel, the spout butt is in on the mounting panel, the spout with the slide bar is installed to the guide way fit in, what the slide bar bottom can be alive is connected with the blade, the casing top is equipped with and is used for the drive the second rack is in gliding drive structure in the casing.

Preferably, the blade is provided with a notch, a bolt is inserted into the notch, the slide bar is provided with a screw hole, and the bolt is matched with the screw hole.

Preferably, the drive structure includes handle, reset spring and second connecting rod, handle slidable sets up on the casing, second connecting rod one end rigid coupling extremely on the second rack, the other end rigid coupling of second connecting rod extremely on hand, reset spring one end rigid coupling extremely on the casing, reset spring's other end rigid coupling is in on hand.

Preferably, the handle is provided with a finger pressing groove.

The weeding device for the weedy rice in the tillering stage provided by the utility model has the beneficial effects that: when weeds are pulled out, the V-shaped notches in the pressing plates are pressed on rice seedlings and soil at the roots of the weeds to pull out the weeds, so that the rice seedlings of the paddy rice are prevented from being pulled out together.

Drawings

FIG. 1 is a schematic structural view of a tillering stage weedy rice pulling device provided by the utility model.

FIG. 2 is a cross-sectional view of a tillering stage weed rice pulling device provided by the utility model.

FIG. 3 is a schematic view of a partial structure of a tillering stage weed rice pulling device provided by the utility model.

Fig. 4 is a schematic view of a partial structure of the tillering stage weedy rice pulling device provided by the utility model.

FIG. 5 is an enlarged view of the position A of the tillering stage weed rice pulling device provided by the utility model.

In the figure: the device comprises a shell 1, a gear 2, a first rack 3, a pressure plate 4, a second rack 5, a first connecting rod 6, a sliding groove 7, a mounting plate 8, a guide groove 9, a sliding rod 10, a blade 11, a notch 12, a bolt 13, a handle 15, a return spring 16 and a second connecting rod 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a weeding rice pulling device in a tillering stage comprises a shell 1, a gear 2 is rotatably mounted in the shell 1, a first rack 3 and a second rack 5 are slidably arranged in the shell 1, the first rack 3 and the second rack 5 are both meshed with the gear 2, and one end of the first rack 3 is fixedly connected with a V-shaped pressing plate 4; the roots of the weeds and the rice seedlings in the tillering stage are close to each other, and when the weeds are pulled out, the V-shaped notches in the pressing plates 4 are pressed on the soil at the roots of the rice seedlings and the weeds, and then the weeds are pulled out, so that the rice seedlings are prevented from being pulled out together.

The one end rigid coupling of second rack 5 has first connecting rod 6, the rigid coupling has spout 7 on first connecting rod 6, the rigid coupling has mounting panel 8 on the 1 outer wall of casing, two guide ways 9 have been seted up to the symmetry on mounting panel 8, spout 7 butt is on mounting panel 8, spout 7 and guide way 9 fit in install slide bar 10, notch 12 has been seted up on blade 11, notch 12 cartridge has bolt 13, screw 14 has been seted up on slide bar 10, bolt 13 and screw 14 phase-matches. The clamp plate 4 is pressed on the soil at the root of the rice, the blades 11 are aligned to weeds, then the second rack 5 is driven to move upwards, when the second rack 5 moves upwards, the sliding rod 10 slides in the guide groove 9, the knife edges of the two blades 11 are close to each other, and the weeds are pulled out. The position of the lower blade of the blade 11 is adjusted by the bolt 13 according to the degree of the emergence of the rice to prevent the rice from being accidentally injured,

1 top of casing is equipped with and is used for driving the gliding drive structure of second rack 5 in casing 1, drive structure includes handle 15, reset spring 16 and second connecting rod 17, it indicates the indent to have seted up on handle 15, it is the same with the shape that the fist was held to the hand to indicate the indent, make handle 15 more comfortable when being held by the user, handle 15 slidable sets up on casing 1, second connecting rod 17 one end rigid coupling is to second rack 5 on, the other end rigid coupling of second connecting rod 17 is to handle 15 on, reset spring 16 one end rigid coupling is to casing 1 on, reset spring 16's the other end rigid coupling is on handle 15. The driving handle 15 moves upwards, the handle 15 can drive the second rack 5 to move upwards through the second connecting rod 17, so that weed pulling is performed, after weeds are pulled out, the handle 15 resets under the elastic action of the return spring 16, and subsequent weed pulling is facilitated.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The weeding device for the paddy rice in the tillering stage is characterized by comprising a shell (1), a gear (2) is rotatably mounted in the shell (1), a first rack (3) and a second rack (5) are slidably arranged in the shell (1), the first rack (3) and the second rack (5) are both meshed with the gear (2), and one end of the first rack (3) is fixedly connected with a V-shaped pressing plate (4);

second rack (5) one end rigid coupling has first connecting rod (6), the rigid coupling has spout (7) on first connecting rod (6), the rigid coupling has mounting panel (8) on casing (1) outer wall, two guide way (9) have been seted up to symmetry on mounting panel (8), spout (7) butt is in on mounting panel (8), spout (7) with slide bar (10) are installed to guide way (9) fit in, what slide bar (10) bottom can be alive is connected with blade (11), casing (1) top is equipped with and is used for the drive second rack (5) are in gliding drive structure in casing (1).

2. The device for pulling out weedy rice at the tillering stage according to claim 1, characterized in that the blade (11) is provided with a notch (12), the notch (12) is inserted with a bolt (13), the slide bar (10) is provided with a screw hole (14), and the bolt (13) is matched with the screw hole (14).

3. A tillering stage weedy rice pulling device according to claim 1, characterized in that the driving structure comprises a handle (15), a return spring (16) and a second connecting rod (17), the handle (15) is slidably arranged on the housing (1), one end of the second connecting rod (17) is fixedly connected to the second rack (5), the other end of the second connecting rod (17) is fixedly connected to the handle (15), one end of the return spring (16) is fixedly connected to the housing (1), and the other end of the return spring (16) is fixedly connected to the handle (15).

4. The tillering stage weedy rice pulling device as claimed in claim 3, characterized in that the handle (15) is provided with finger-pressing grooves.