CN109479399B

CN109479399B - Farmland weeding machine and working method

Info

Publication number: CN109479399B
Application number: CN201811623146.6A
Authority: CN
Inventors: 宿艳彩
Original assignee: Qilu University of Technology
Current assignee: Qilu University of Technology
Priority date: 2018-12-28
Filing date: 2018-12-28
Publication date: 2021-07-23
Anticipated expiration: 2038-12-28
Also published as: CN109479399A

Abstract

The invention relates to a farmland weeding machine and a working method thereof, wherein the farmland weeding machine comprises a first support part capable of moving along soil to be weeded, one end of the first support part is connected with a blade part, the other end of the first support part is rotatably connected with one end of a second support part, the other end of the second support part is connected with a roller body, an included angle is formed between the first support part and the second support part, and an elastic adjusting part is arranged between the first support part and the second support part and used for driving the angle between the first support part and the second support part to be reduced and driving the roller body to apply pressure to the soil when weeding.

Description

Farmland weeding machine and working method

Technical Field

The invention relates to the technical field of agricultural mechanical equipment, in particular to a farmland weeding machine and a working method.

Background

In the growth process of crops, the weeds with strong vitality in the farmland can rob the crops for nutrients, so weeding is an essential working procedure. Traditional weeding is accomplished with a hoe: the hoe head goes deep into the soil, the handle of the hoe is manually pulled to enable the hoe to move in the soil, grass roots are cut off under the ground surface, meanwhile, the farmland is loosened, the soil in blocks is smashed by the hoe, and finally the effects of weeding, loosening the soil, retaining water and preventing soil scabbing are achieved. However, this process requires the person to bend all the way around to complete it, is very tiring and inefficient.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a farmland weeding machine which is simple in structure, convenient to use and capable of greatly improving weeding efficiency.

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

the utility model provides a farmland weeder, includes the first support portion that can follow the soil removal of waiting to weed, blade portion is connected to first support portion one end, and the other end rotates the one end of connecting second support portion, and the body is rolled in the other end connection of second support portion, be the contained angle between first support portion and the second support portion and distribute and be equipped with the elasticity regulation portion, the elasticity regulation portion is used for driving the reduction of angle between first support portion and the second support portion, and the pressure is exerted to soil when driving and rolling the body and weeding.

Further, first support portion includes first supporting shaft, two first support plates and two second mounting panels, two the both ends at first supporting shaft are fixed respectively to the one end of first support plate and second mounting panel, and the other end support of two first support plates is fixed with blade portion, and the other end of second mounting panel rotates connects second support portion, first supporting shaft both ends are rotated and are connected with the wheel, second support portion includes two third mounting panels, third mounting panel one end is rotated with the second mounting panel and is connected, and two third mounting panel other ends are rotated and are connected with the body that rolls.

Further, first supporting shaft is ladder shaft structure, including the tip shaft portion at middle part shaft portion and middle part shaft portion both ends, and the diameter of tip shaft portion is less than middle part shaft portion diameter, is equipped with keyway and helicitic texture shaft portion on the tip shaft portion, is equipped with the handle on the middle part shaft portion.

Furthermore, first mounting panel and second mounting panel pass through the key-type connection form and are connected with first supporting axle, the last fixation nut that has screwed of helicitic texture shaft section, fixation nut compresses tightly first mounting panel and second mounting panel on the terminal surface of middle part shaft section.

Furthermore, the both ends of first supporting shaft are equipped with first end cover, first end cover is used for preventing that the wheel from droing on first supporting shaft.

Furthermore, the second supporting plate and the third supporting plate are rotatably connected through a second supporting shaft, second end covers are arranged at two ends of the second supporting shaft and used for preventing the second supporting plate and the third supporting plate from falling off from the second supporting shaft, two ends of the rolling body are rotatably connected with the two third supporting plates through third supporting shafts, and third end covers are arranged on the third supporting shafts and used for preventing the rolling body from being separated from the third supporting plates.

Further, the tip of first support plate is equipped with and is used for the blade mounting hole, be equipped with a plurality of tooth's sockets on the blade mounting hole, the blade portion includes the blade and fixes the cylinder structure at the blade both ends, cylinder structure and blade mounting hole match, and the structural tooth shaping that is equipped with tooth's socket assorted of cylinder, the tooth shaping inserts in the tooth's socket of difference, the installation angle of adjustable blade, the cylinder structure inserts in the blade mounting hole to utilize lock nut and first support plate to lock.

Furthermore, the blade cross-section is the trapezoidal cross-section that one end thickness is greater than other end thickness, and the less one end of thickness is used for cutting off the grass root, and the great one end of thickness is used for increasing the bulk rigidity of blade.

Furthermore, the elastic adjusting part comprises a spring and a connecting plate, two ends of the spring are fixedly connected with the second support plate and the third support plate respectively, one end of the connecting plate is fixedly connected with the third support plate, the other end of the connecting plate is connected with the second support plate through a waist hole through a sliding rod, and the sliding rod can slide along the waist hole.

The invention also discloses a working method of the farmland weeding machine, which comprises the following steps: first support portion moves along soil, and blade subassembly gos deep into soil and loosens the soil and shovel off the grass root, and simultaneously, the angle reduces between elasticity regulating part drive second support portion and the first support portion, drives the roll body and applys pressure, the massive soil of crushing to soil.

The invention has the beneficial effects that:

1. the farmland weeding machine disclosed by the invention is simple in structure and convenient to process and manufacture, is provided with the handle, does not need bending operation when in use, pushes the farmland weeding machine to move on soil, and greatly reduces the labor intensity of weeding.

2. The farmland weeder provided by the invention is provided with the blade component, the elastic adjusting part and the rolling body, wherein the blade component can be used for loosening the soil and cutting off grass roots, and the rolling body is used for crushing the bulk soil, so that the multifunctional requirements of loosening the soil and crushing the bulk soil by the weeder are met.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

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

FIG. 2 is a schematic view of a first strut plate structure according to the present invention;

FIG. 3 is a schematic diagram of a second bracket plate structure according to the present invention;

FIG. 4 is a schematic view of the first support shaft and handle assembly of the present invention;

FIG. 5 is a schematic view of a blade portion according to the present invention;

FIG. 6 is a schematic view of the invention taken along line A of FIG. 5;

FIG. 7 is a schematic diagram of a third bracket plate structure according to the present invention;

FIG. 8 is a schematic view of a tie plate structure of the present invention;

FIG. 9 is a schematic view of the roller structure of the present invention;

FIG. 10 is a schematic view of a first end cap according to the present invention;

FIG. 11 is a schematic view of the wheel of the present invention;

the novel bearing comprises a bearing body, a first support shaft, a middle shaft section, a shaft section at an end part, a key groove, a wheel, a first end cover, a pin shaft groove, a second support plate, a sliding rod, a fixing nut, a handle, a wheel, a first end cover, a blade, a cylindrical structure, a gear, a locking nut, a third support plate, a fixing rod, a second end cover, a roller body, a connecting plate and a spring mounting hole, wherein the bearing body comprises 1.1.A first support shaft, 1-1.A middle shaft section, 1-2.A sliding rod, 4.A fixing nut, 5.A handle, 6.A wheel, 7.A first end cover, 7-1.a pin shaft groove, 8.A positioning pin, 9.A blade part, 9-1.A blade, 9-2.a cylindrical structure, 9-3.A gear, 10.A locking nut, 11.A third support plate, 11-1.A fixing rod, 12.A second end cover, 13.A roller body, 14.A third end cover, 15 a connecting plate and 16 a spring mounting hole.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

For convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

As introduced by the background art, the farmland weeding mode has high labor intensity and low labor efficiency, and the farmland weeding machine is provided by the application aiming at the problems.

In a typical embodiment of the present application, as shown in fig. 1-11, a farmland weeder includes can follow the first support portion that waits to weed soil and remove, blade portion is connected to first support portion one end, and the other end rotates the one end of connecting second support portion, and the roller body is connected to the other end of second support portion, be the contained angle distribution between first support portion and the second support portion and be equipped with the elasticity regulation portion, the elasticity regulation portion is used for driving the reduction of angle between first support portion and the second support portion, exerts pressure to soil when driving the roller body and weeding.

The first support part comprises a first support shaft 1, two first support plates 2 and two second support plates 3, the first support shaft is of a stepped shaft structure and comprises a middle shaft section and end shaft sections 1-2 fixed at two ends of the middle shaft section 1-1, the diameter of the middle shaft section is larger than that of the end shaft sections, threaded structure shaft sections are arranged on the end shaft sections, key grooves 1-3 are further arranged on the end shaft sections, mounting holes with key grooves are formed in one ends of the two first support plates and are connected with the end shaft sections at two ends of the first support shaft in a key connection mode, blade mounting holes are formed in the other ends of the two first support plates, the two first support plates are connected with two ends of the blade part through the blade mounting holes, mounting holes with key grooves are formed in one ends of the two second support plates and are connected with the end shaft sections at two ends of the first support shaft in a key connection mode, the utility model discloses a bearing support of a pair of threaded structure, including threaded structure shaft section, first carriage plate and second carriage plate compress tightly on the terminal surface at middle part shaft section both ends, and threaded structure is screwed on the shaft section and is had fixation nut 4, fixation nut compresses tightly first carriage plate and second carriage plate on the terminal surface at middle part shaft section both ends, has realized the fixed connection of first carriage plate and second carriage plate and first supporting shaft, the middle part of middle part shaft section still is fixed with the handle 5 of T style of calligraphy, the length of handle can set up according to operating personnel's height, makes its use comfort degree requirement that satisfies operating personnel.

The wheel support is characterized in that wheels 6 are rotatably connected to end shaft sections at two ends of the first supporting shaft, a first end cover 7 is arranged at the position of the end shaft section outside the wheels and used for preventing the wheels from falling off from the first supporting shaft, a pin shaft groove 7-1 is formed in the first end cover, a locating pin 8 penetrating through the end shaft section is arranged in the pin shaft groove, and the locating pin can be used for locating the first end cover and preventing the first end cover from falling off from the end shaft section.

The utility model discloses a cutting blade, including blade portion 9, cylindrical structure and blade mounting hole are including blade 9-1 and fix at the cylinder structure 9-2 at the blade both ends, cylindrical structure matches with the blade mounting hole, the structural three tooth's socket 2-1 assorted gear shaping 9-3 that sets up with the blade mounting hole that is equipped with of cylinder, the gear shaping inserts in the tooth's socket of difference, the installation angle of adjustable blade, the structural screw thread structure that is equipped with of cylinder, cylindrical structure insert in the blade mounting hole to utilize the last lock nut 10 of screwing of screw thread structure to realize the fixed connection of cylinder result and first support plate.

The cross-section of blade is the trapezoidal that one end thickness is greater than other end thickness, and the less one end of thickness is used for cutting off the grass root, and the great one end of thickness is used for increasing the bulk rigidity of blade.

The second support part comprises two third support plates 11, one ends of the third support plates are rotatably connected with the second support plates, the second support plates and the third support plates are distributed at included angles, the second support shaft penetrates through the connecting end parts of the specific second support plates and the specific third support plates, second end covers 12 are arranged at two ends of the second support shaft, the structure of each second end cover is the same as that of the first end cover, the second end covers are used for preventing the second support plates and the third support plates from falling off on the second support shaft, the second end covers are positioned by positioning pins penetrating through the second support shaft, and the positioning pins can prevent the second end covers from falling off from the second support shaft.

The other ends of the two third support plates are rotatably connected with the two ends of the rolling body 13, third support shafts are arranged at the two ends of the rolling body and respectively penetrate through the third support plates, third end covers 14 are arranged at the end parts of the third support shafts and are used for preventing the rolling body from being separated from the third support plates, and the third end covers are identical in structure with the first end covers and the second end covers and are positioned by positioning pins penetrating through the third support shafts.

The elastic adjusting portion comprises a spring and a connecting plate 15, two ends of the spring are fixedly connected with the second support plate and the third support plate through spring mounting holes 16 formed in the second support plate and the third support plate respectively, one end of the connecting plate is fixedly connected with the third support plate through nuts and fixing rods 11-1 arranged on the third support plate, a waist hole 15-1 is formed in the other end of the connecting plate and is connected with the second support plate through the waist hole and sliding rods 3-1 arranged on the second support plate, and the sliding rods can slide in the waist holes along the waist holes.

The invention also discloses a working method of the farmland weeding machine, which comprises the following steps: during the use, place the farmland weeding car on treating herbicidal soil, adjust the blade angle as required, it is fixed with blade subassembly and first mounting plate, adjust the farmland weeding car, make inside the less one end of blade thickness stretches into soil, the roll body pressure is on soil, operating personnel promotes the farmland weeder and removes, the blade stretches into inside soil, can loosen the soil, and the shovel cuts off the grass root, simultaneously under the effect of spring, the contained angle has the trend of diminishing between second mounting plate and the third mounting plate, the roll body compresses tightly soil under the effect of self gravity and spring tension, can crush the bold soil that the in-process produced.

When not using, lift up farmland weeder, third mounting panel and second mounting panel angle diminish under the effect of spring and the self gravity of the body that rolls, the slide bar slides in the waist hole until the hole face contact in slide bar and waist hole, the angle of third mounting panel and second mounting panel no longer changes, has realized the effect of the body that rolls of stabilizing, the restriction to maximum angle between third mounting panel and the second mounting panel has still been realized to the cooperation in slide bar and waist hole simultaneously.

The farmland weeder provided by the invention has a simple structure, realizes multifunctional integration of soil loosening, grass shoveling and bulk soil crushing, does not need to bend down by operators during use, greatly reduces the labor intensity of the operators, and improves the working efficiency.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.

Claims

1. A farmland weeding machine is characterized by comprising a first support part capable of moving along soil to be weeded, wherein one end of the first support part is connected with a blade part, the other end of the first support part is connected with one end of a second support part in a rotating manner, the other end of the second support part is connected with a roller body, an included angle is formed between the first support part and the second support part, and an elastic adjusting part is arranged between the first support part and the second support part and used for driving the reduction of the angle between the first support part and the second support part and applying pressure to the soil when the roller body is driven to weed, the first support part comprises a first support shaft, two first support plates and two second support plates, one ends of the two first support plates and one ends of the two second support plates are respectively fixed at the two ends of the first support shaft, the other ends of the two first support plates are fixed with the blade part, the other ends of the second support plates are connected with the second support part in a rotating manner, and the two ends of the first support shaft are connected with wheels, the second support part comprises two third support plates, one ends of the third support plates are rotatably connected with the second support plates, and the other ends of the two third support plates are rotatably connected with the rolling bodies.

2. A field weeding machine as claimed in claim 1, wherein said first support shaft is a stepped shaft structure including a middle shaft section and end shaft sections at both ends of the middle shaft section, the diameter of the end shaft sections being smaller than that of the middle shaft section, the end shaft sections being provided with key grooves and screw thread structure shaft sections, and the middle shaft section being provided with a handle.

3. A field weeding machine according to claim 2, wherein said first and second support plates are connected to the first support shaft by a key connection, and a fixing nut is screwed to the shaft section of the screw structure, and said fixing nut presses the first and second support plates against the end face of the shaft section of the middle portion.

4. A field weeding machine according to claim 1, wherein first end caps are provided at both ends of the first support shaft, and the first end caps are provided to prevent the wheels from falling off the first support shaft.

5. A field weeding machine as claimed in claim 1, wherein said second and third support plates are rotatably connected by a second support shaft, and second end caps are provided at both ends of the second support shaft for preventing the second and third support plates from falling off the second support shaft, and said roller body is rotatably connected at both ends thereof to the two third support plates by a third support shaft, and a third end cap is provided on the third support shaft for preventing the roller body from being separated from the third support plate.

6. A farmland weeding machine as claimed in claim 1, wherein the end portion of the first frame plate is provided with a blade mounting hole, the blade mounting hole is provided with a plurality of tooth sockets, the blade portion comprises a blade and cylindrical structures fixed at both ends of the blade, the cylindrical structures are matched with the blade mounting hole, the cylindrical structures are provided with gear shaping matched with the tooth sockets, the gear shaping is inserted into different tooth sockets, the mounting angle of the blade can be adjusted, and the cylindrical structures are inserted into the blade mounting hole and locked with the first frame plate by means of a locking nut.

7. A field mower as claimed in claim 6, wherein said blade section is a trapezoidal section having a greater thickness at one end than at the other end, the end of lesser thickness serving to cut the roots of grass and the end of greater thickness serving to increase the overall rigidity of the blade.

8. A field weeding machine as claimed in claim 1, wherein said elastic adjustment portion comprises a spring and a link plate, both ends of said spring are fixedly connected to the second support plate and the third support plate, respectively, one end of said link plate is fixedly connected to the third support plate, and the other end is connected to a slide rod provided on the second support plate through a waist hole, said slide rod being slidable along said waist hole.

9. A method of operating a field weeding machine as claimed in claim 1, wherein the first frame part is moved along the soil, the blade assembly is moved into the soil to break the soil and to cut off the roots of the grass, and the resilient adjustment part drives the second frame part and the first frame part to decrease the angle therebetween, and drives the roller to apply pressure to the soil, crushing the soil in large blocks.