CN113692788A

CN113692788A - Rice terrace is weeder between line

Info

Publication number: CN113692788A
Application number: CN202111012407.2A
Authority: CN
Inventors: 余山山; 王姗姗
Original assignee: Nanjing Research Institute for Agricultural Mechanization Ministry of Agriculture
Current assignee: Nanjing Hongmao Agricultural Technology Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2021-11-26
Anticipated expiration: 2041-08-31
Also published as: CN113692788B

Abstract

The invention relates to the technical field of weeding, in particular to a rice field interline weeder. The height adjusting mechanism arranged on the frame can ensure that the height of the device can be automatically adjusted along with the fluctuation of the ground when the device is used, the height does not need to be manually adjusted, and the device is suitable for operation in paddy fields with fluctuating heights. The frame of design is provided with buffer unit, when the paddy field undulant acutely frequently, can make the altitude variation of frame 1 mild, and the house frame frequently rocks and leads to maneuverability and weeding performance to descend. The number of the designed height adjusting plate of the height adjusting mechanism and the number of the whole weeding knives of the inter-row weeding mechanism can be adjusted according to actual conditions.

Description

Rice terrace is weeder between line

Technical Field

The invention relates to the technical field of weeding, in particular to a rice field interline weeder.

Background

The excessive use of the herbicide in the growth process of the rice not only reduces the quality of the rice, but also pollutes soil and water sources and destroys the ecological environment. In order to protect the environment and produce green rice, mechanical weeding is required to replace chemical weeding, and the mechanical weeding meets the development trend of protective farming and plays an important role in increasing the crop yield and improving the crop quality. However, the current paddy field intertillage weeding machines are rarely applied in China, and the weeding effect of the existing few paddy field intertillage weeding machines is also poor.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a rice field interline weeder.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a paddy field interline weeder, includes frame, interline weeding mechanism and high adjustment mechanism, the frame includes parallelogram linkage, and parallelogram linkage end-to-end connection has the mounting bracket, and one side that parallelogram linkage was kept away from to the mounting bracket lower part is provided with the altitude mixture control fixing base, and altitude mixture control country is decided the seat top and is provided with buffer unit, and one side that the mounting bracket lower part is close to parallelogram linkage is provided with the weeding unit fixing base.

Further, weeding mechanism between rows is including setting up the polygon pivot on weeding part fixing base, is provided with the sleeve in the polygon pivot, and inside the opening of sleeve has the polygon inner chamber, and polygon inner chamber and polygon pivot cooperation are provided with two symmetric distribution's locating hole on the sleeve, and the locating hole is provided with set screw, and set screw and locating hole threaded connection are provided with three radial arch on the sleeve pipe, and telescopic one end is kept away from to radial arch is provided with two symmetric distribution's weeding sword wholly.

Further, the whole shaping of buckling of weeding sword, the holistic pedestal mounting of weeding sword is on radial arch, and the base is kept away from radial bellied one end and is the blade, and open blade both sides has the cutting edge.

Furthermore, the contact positions of the base and the radial protrusion are provided with through holes, two sides of each through hole are provided with a first bolt and a first nut component, and the first bolt and the first nut component fix the whole weeding cutter on the radial protrusion.

Further, the height adjusting mechanism comprises a height adjusting rod arranged on a height adjusting fixing seat, a connecting rod is arranged on the height adjusting rod, one end, away from the height adjusting rod, of the connecting rod is provided with a height adjusting plate, the height adjusting plate is provided with an inner cavity, and a fixing seat is arranged on the bottom surface of the inner cavity.

Furthermore, a second bolt and a second nut component are arranged on two sides of the fixing seat, and the connecting rod is hinged to the fixing seat through the second bolt and the second nut component.

The invention has the beneficial effects that:

1. the height adjusting mechanism arranged on the frame can ensure that the height of the device can be automatically adjusted along with the fluctuation of the ground when the device is used, the height does not need to be manually adjusted, and the device is suitable for operation in paddy fields with fluctuating heights.

2. The frame designed by the invention is provided with the buffer component, so that when the paddy field fluctuates violently and frequently, the height change of the frame 1 can be smooth, and the controllability and the weeding performance are reduced due to frequent shaking of the house frame.

3. The height adjusting plate of the height adjusting mechanism and the weeding knives of the inter-row weeding mechanism can be adjusted in number according to actual conditions.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts;

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an exploded view of the height adjustment and weeding mechanism.

The reference numbers in the figures illustrate:

1. a frame; 11. a parallel four-bar mechanism; 12. a mounting frame; 121. a height adjusting fixed seat; 122. a buffer member; 123. a weeding part fixing seat; 2. an inter-row weeding mechanism; 21. a polygonal rotating shaft; 22. a sleeve; 221. a polygonal inner cavity; 2211. positioning holes; 2212. a set screw; 222. a radial projection; 23. the weeding knife is integrated; 231. a base; 232. a blade body; 2321. a blade; 24. a first bolt; 25. a first nut assembly; 3. a height adjustment mechanism; 31. a height adjustment lever; 32. a connecting rod; 33. a second bolt; 34. a second nut assembly; 35. a height adjustment plate; 351. an inner cavity; 352. a fixed seat.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

A paddy field inter-row weeder comprises a frame 1, an inter-row weeding mechanism 2 and a height adjusting mechanism 3. As shown in fig. 1, the rack 1 includes a parallelogram linkage 11, the end is connected with a mounting rack 12, one side of the lower part of the mounting rack 12, which is far away from the parallelogram linkage 11, is provided with a height adjusting fixing seat 121, a buffer component 122 is arranged above the height adjusting fixing seat 121, and one side of the lower part of the mounting rack 12, which is close to the parallelogram linkage 11, is provided with a weeding component fixing seat 123.

As shown in fig. 1 and 2, the inter-row weeding mechanism 2 includes a polygonal rotating shaft 21 disposed on the weeding member fixing seat 123, a sleeve 22 is disposed on the polygonal rotating shaft 21, a polygonal inner cavity 221 is formed inside the sleeve 22, the polygonal inner cavity 221 is matched with the polygonal rotating shaft 21, two positioning holes 2211 are symmetrically disposed on the sleeve 22, and the positioning holes 2211 are provided with positioning screws 2212. The positioning screw 2212 is in threaded connection with the positioning hole 2211 to fix the sleeve 22 on the polygonal rotating shaft 21. Three radial protrusions 222 are arranged on the sleeve 22, two weeding cutter bodies 23 which are symmetrically distributed are arranged at one ends, far away from the sleeve 22, of the radial protrusions 222, the weeding cutter bodies 23 are formed by bending the weeding cutter bodies 23, bases 231 of the weeding cutter bodies 23 are mounted on the radial protrusions 222, one ends, far away from the radial protrusions 222, of the bases 231 are blade bodies 232, and cutting edges 2321 are arranged on two sides of the blade bodies 232. The contact positions of the base 231 and the radial protrusion 222 are both provided with through holes, two sides of each through hole are provided with a first bolt 24 and a first nut component 25, and the first bolt 24 and the first nut component 25 fix the whole weeding cutter 23 on the radial protrusion 222.

Height adjustment mechanism 3 is including setting up height adjustment pole 31 on height adjustment fixing base 121, the last connecting rod 32 that is provided with of height adjustment pole 31, the one end that height adjustment pole 31 was kept away from to connecting rod 32 is provided with height adjustment plate 35, height adjustment plate 35 opens there is inner chamber 351, the inner chamber 351 bottom surface is provided with fixing base 352, fixing base 352 both sides are provided with second bolt 33 and second nut component 34, connecting rod 32 passes through second bolt 33, second nut component 34 and fixing base 352 are articulated.

The working principle is as follows:

the device is at the during operation, the place ahead at walking drive mechanism (for example, the paddy field tractor) is installed to frame 1, when walking drive mechanism moves forward, drive the device and move forward, it pastes tightly to remove the altitude mixture control board 35 of the altitude mixture control mechanism 3 in the place ahead in-process and the earth in paddy field, when the paddy field relief fluctuates, altitude mixture control board 35 can order about mounting bracket 12 along with the relief change automatically regulated height, when the relief altitude change is frequent, it can make mounting bracket 12 highly steady change to adjust buffer part 122 between fixing base 121 and the mounting bracket 12, it leads to the device to rock to prevent that the highly violent frequent change of mounting bracket 12 from leading to the device, thereby reduce nature controlled and weeding performance. The row weeding mechanism 2 arranged below the mounting frame 12 can rotate through the polygonal rotating shaft driving cutting edge 2321, the root of weeds in a paddy field is cut off to achieve the purpose of weeding, the row weeding mechanism 2 and the height adjusting mechanism 3 are matched to ensure that the knife body 232 and the cutting edge 2321 are always at a proper height, and the situation change is prevented from causing the knife body 232 and the cutting edge 2321 to be stuck in soil or leave soil to be incapable of weeding.

The beneficial effects are as follows:

the height adjusting mechanism 3 is arranged on the frame 1 arranged on the device, so that the height of the device can be automatically adjusted along with the fluctuation of the ground when the device is used, the height can be adjusted without manpower, and the device is suitable for operation in a paddy field with fluctuation.

The frame 1 that the device designed is provided with buffer part 122, when the paddy field undulant acutely frequently, can make the altitude variation of frame 1 mild, and house frame 1 rocks frequently and leads to maneuverability and weeding performance to descend.

The height adjusting plate 35 of the height adjusting mechanism 3 designed by the device and the weeding knife whole body 23 of the inter-row weeding mechanism 2 can be adjusted in number according to actual conditions.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. The utility model provides a paddy field intertidal weeder, includes frame (1), intertidal weeding mechanism (2) and high adjustment mechanism (3), its characterized in that, frame (1) is including parallelogram linkage (11), and parallelogram linkage (11) end-to-end connection has mounting bracket (12), and one side that parallelogram linkage (11) were kept away from to mounting bracket (12) lower part is provided with altitude mixture control fixing base (121), and altitude mixture control country decides seat (121) top and is provided with buffer component (122), and one side that mounting bracket (12) lower part is close to parallelogram linkage (11) is provided with weeding part fixing base (123).

2. The inter-row weeder for the paddy field according to claim 1, characterized in that the inter-row weeder mechanism (2) comprises a polygonal rotating shaft (21) arranged on the weeder fixing seat (123), a sleeve (22) is arranged on the polygonal rotating shaft (21), a polygonal inner cavity (221) is formed in the sleeve (22), the polygonal inner cavity (221) is matched with the polygonal rotating shaft (21), two symmetrically distributed positioning holes (2211) are formed in the sleeve (22), the positioning holes (2211) are provided with positioning screws (2212), the positioning screws (2212) are in threaded connection with the positioning holes (2211), three radial protrusions (222) are arranged on the sleeve (22), two symmetrically distributed weeder bodies (23) are arranged at one ends of the radial protrusions (222) far away from the sleeve (22), the weeder bodies (23) are formed by bending, and bases (231) of the weeder bodies (23) are mounted on the radial protrusions (222).

3. The inter-row paddy field weeder as claimed in claim 2, wherein the end of said base (231) remote from said radial protrusion (222) is a blade (232), and the blade (2321) is formed on both sides of the blade (232).

4. The inter-row weeder for paddy fields as claimed in claim 2, wherein the contact positions of the base (231) and the radial protrusions (222) are provided with through holes, the first bolt (24) and the first nut member (25) are arranged on both sides of the through holes, and the first bolt (24) and the first nut member (25) fix the whole weeding cutter (23) on the radial protrusions (222).

5. The inter-row weeder for paddy fields as claimed in claim 1, wherein said height adjustment mechanism (3) comprises a height adjustment lever (31) disposed on a height adjustment fixing seat (121), a connecting rod (32) is disposed on the height adjustment lever (31), a height adjustment plate (35) is disposed on one end of the connecting rod (32) away from the height adjustment lever (31), an inner cavity (351) is opened on the height adjustment plate (35), and a fixing seat (352) is disposed on the bottom surface of the inner cavity (351).

6. The inter-row weeder for paddy fields as claimed in claim 5, wherein the fixing base (352) is provided at both sides with a second bolt (33) and a second nut member (34), and the connecting rod (32) is hinged with the fixing base (352) through the second bolt (33), the second nut member (34).