Oat weeding machine

Abstract

The oat weeding machine comprises a concentric-square-shaped bottom plate, universal wheels are rotationally installed at the four corners of the bottom of the concentric-square-shaped bottom plate, the left side of the concentric-square-shaped bottom plate is fixedly connected with a storage box with the bottom open, and the top of the concentric-square-shaped bottom plate is fixedly connected with a lifting vertical guide assembly. The bottom end of the lifting vertical guide assembly is fixedly connected with a root rotating assembly, and the left side of the lifting vertical guide assembly is fixedly connected with a concentric-square-shaped base. According to the rotary cutting device, a series of structures are arranged, so that the four cutting knives are conveniently driven to move downwards to grass root parts and are driven to rotate to perform rotary cutting treatment on the grass root parts in an oat field, grass roots remaining after rotary cutting are integrally turned out during rotary cutting, and the phenomenon that follow-up sowing is affected due to the fact that a large number of grass roots are located below soil is avoided; the weeding effect is improved, the four cutting knives can be integrally stored, hidden and protected after use, the risk that the cutting knives are accidentally touched and damaged or accidentally hurt people when the cutting knives are not used is reduced, and the safety when the cutting knives are not used is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of weeders, in particular to an oat weeder. Background Art

[0002] There are two types of oat weeding: one is weeding before sowing, and the other is weeding after seedlings. The former is mostly done by directly using mechanical weeding equipment, such as the commonly used rotary mower, which has the advantage of not polluting the environment and is a more environmentally friendly weeding method; the latter is mostly done by applying chemical herbicides and biological herbicides, which is mainly for weeding after seedlings have emerged, and can prevent the phenomenon that rotary mowing methods easily cause damage to seedlings;

[0003] The existing rotary lawn mowers for weeding oat fields before sowing oats have the following shortcomings when in use: 1. After use, the cutting blades are directly exposed to the outside, and the risk of accidental damage or accidental injury to personnel is relatively high, and the safety when not in use is not ideal; 2. Due to single rotary mowing, a large amount of grass roots are still in the soil, affecting subsequent sowing work, and the grass roots cannot be turned out and processed in one piece after weeding; in view of this, the present application proposes an oat weeder to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an oat weeder to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an oat weeder, comprising a circular bottom plate, the four bottom corners of the circular bottom plate are rotatably mounted with universal wheels, the left side of the circular bottom plate is fixedly connected with a storage box with an opening at the bottom, the top of the circular bottom plate is fixedly connected with a lifting vertical guide assembly, the bottom end of the lifting vertical guide assembly is fixedly connected with a rotary root assembly, the left side of the lifting vertical guide assembly is fixedly connected with a circular seat, the top of the storage box is fixedly connected with a U-shaped guide plate, the circular seat is slidably sleeved on the U-shaped guide plate, the bottom of the circular seat is rotatably mounted with a two-point linkage rotary drive assembly, and the top of the circular seat is fixedly mounted with an output The shaft is fixedly connected to a driving motor with a two-point linkage rotary drive assembly. Two cutting knives are fixedly connected to the bottom of both sides of the two-point linkage rotary drive assembly. The four cutting knives are all located in a storage box. Two positioning sleeves are rotatably embedded on the top of the storage box and are both slidably mounted on the two-point linkage rotary drive assembly. The lifting vertical guide assembly is used to drive the circular seat and the root rotary assembly to move up and down to adjust the height position. The two-point linkage rotary drive assembly is used to drive the four cutting knives to move downward when the circular seat moves downward, and is used to rotate and cut off the grass roots in the oat field when the driving motor is started. The root rotary assembly is used to turn over the soil in the oat field to turn out the residual grass roots.

[0006] Preferably, the lifting vertical guide assembly includes a U-shaped support plate and an electric push rod fixedly connected to the top of the circular bottom plate, the protruding end of the electric push rod is fixedly connected to an L-shaped lifting plate, the left side of the L-shaped lifting plate is fixedly connected to the right side of the circular seat, and the U-shaped support plate is slidably sleeved on the L-shaped lifting plate.

[0007] Preferably, the root rotation assembly includes a U-shaped seat fixedly connected to the bottom of the L-shaped lifting plate, the U-shaped seat is located in the circular bottom plate, the bottom of the U-shaped seat extends to the bottom of the circular bottom plate, a roller is rotatably installed on the rear inner wall of the U-shaped seat, a plurality of soil-turning blades are fixedly connected to the outer side of the roller, and a rotating motor with an output shaft fixedly connected to the front end of the roller is fixedly installed on the front side of the U-shaped seat.

[0008] Preferably, the two-point linkage rotary drive assembly includes two rotating shafts rotatably installed at the bottom of the circular seat, the top ends of the two rotating shafts extend into the circular seat and are fixedly connected to sprockets, the two sprockets are transmission-connected with the same chain, the top of the sprocket located on the front side is fixedly connected to the bottom end of the output shaft of the driving motor, the bottom end of the rotating shaft extends into the storage box, the bottoms on both sides of the rotating shaft are respectively fixedly connected to the sides close to the corresponding two cutting knives, and two positioning sleeves are respectively slidably mounted on the corresponding rotating shafts.

[0009] Preferably, a support is fixedly connected to the right side of the top of the circular bottom plate, and a tractor connecting seat is fixedly installed on the right side of the support.

[0010] Preferably, two first rectangular guide holes are provided on the top of the round-shaped seat and are in sliding contact with the outer side of the U-shaped guide plate.

[0011] Preferably, a second rectangular guide hole is provided on the top of the U-shaped support plate and is in sliding contact with the outer side of the L-shaped lifting plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The oat weeder of the present application can drive four cutting knives to move down to the grass root part through the cooperation of the provided circular bottom plate, universal wheel, lifting vertical guide assembly, circular seat, U-shaped guide plate, driving motor, positioning sleeve, two-point linkage rotary drive assembly and cutting knife, and drive the four cutting knives to rotate as a whole to perform rotary cutting on the grass root part in the oat field, and the four cutting knives can be stored and hidden as a whole for protection after use, thereby reducing the risk of accidental damage or accidental injury to people when not in use, and improving safety when not in use;

[0014] 2. The oat weeder of the present application is provided with a lifting vertical guide assembly and a root rotating assembly, which can turn out and process the grass roots remaining after rotary cutting in one piece during rotary cutting, avoiding the phenomenon that a large amount of grass roots in the lower part of the soil affect subsequent sowing, thereby improving the weeding effect.

[0015] The utility model is provided with a series of structures, which is convenient for driving the four cutting knives to move down to the grass root position and drive them to rotate to perform rotary cutting on the grass roots in the oat field, and is convenient for turning out and processing the grass roots remaining after rotary cutting, so as to avoid the phenomenon that a large amount of grass roots in the lower part of the soil affect subsequent sowing, thereby improving the weeding effect, and is convenient for storing, hiding and protecting the four cutting knives in one body after use, reducing the risk of accidental damage or accidental injury to people when not in use, and improving the safety when not in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of an oat weeder proposed by the utility model;

[0017] Figure 2 for Figure 1 A schematic diagram of a top view structure;

[0018] Figure 3 The utility model is a schematic diagram of the main cross-sectional structure of an oat weeder proposed by the utility model.

[0019] In the figure: 1. circular bottom plate; 2. universal wheel; 3. storage box; 4. U-shaped guide plate; 5. circular seat; 6. L-shaped lifting plate; 7. U-shaped support plate; 8. electric push rod; 9. driving motor; 10. sprocket; 11. chain; 12. rotating shaft; 13. cutting knife; 14. positioning sleeve; 15. U-shaped seat; 16. rotating roller; 17. soil-turning blade; 18. rotating motor. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figures 1 to 3As shown, an oat weeder proposed in this embodiment comprises a circular bottom plate 1, universal wheels 2 are rotatably installed at the four corners of the bottom of the circular bottom plate 1, a storage box 3 with an opening at the bottom is fixedly connected to the left side of the circular bottom plate 1, a lifting vertical guide assembly is fixedly connected to the top of the circular bottom plate 1, a rotary root assembly is fixedly connected to the bottom end of the lifting vertical guide assembly, a circular seat 5 is fixedly connected to the left side of the lifting vertical guide assembly, a U-shaped guide plate 4 is fixedly connected to the top of the storage box 3, the circular seat 5 is slidably sleeved on the U-shaped guide plate 4, wherein the top of the circular seat 5 is provided with two first rectangular guide holes that are both in sliding contact with the outer side of the U-shaped guide plate 4, which play the role of guiding the vertical sliding of the circular seat 5, a two-point linkage rotary drive assembly is rotatably installed at the bottom of the circular seat 5, a driving motor 9 fixedly installed with an output shaft and the two-point linkage rotary drive assembly on the top of the circular seat 5, two cutting knives 13 are fixedly connected to the bottom of the two-point linkage rotary drive assembly on both sides, and the four cutting knives 1 3 are all located in the storage box 3, and two positioning sleeves 14 are rotatably embedded on the top of the storage box 3, both of which are slidably sleeved on the two-point linkage rotary drive assembly, wherein two embedded circular holes are provided on the top inner wall of the storage box 3, and a first bearing is fixedly installed in the embedded circular hole, and the inner ring of the first bearing is fixedly sleeved with the outer side of the corresponding positioning sleeve 14, which plays the effect of rotatably installing the positioning sleeve 14, and a support is fixedly connected to the top right side of the circular bottom plate 1, and a tractor connecting seat is fixedly installed on the right side of the support. The tractor connecting seat is used to connect with an external tractor so as to be driven by it to move easily, and the lifting vertical guide assembly is used to drive the circular seat 5 and the root rotary assembly to move up and down to adjust the height position, and the two-point linkage rotary drive assembly is used to drive the four cutting knives 13 to move downward when the circular seat 5 moves downward, and is used to rotate and cut off the grass roots in the oat field when the drive motor 9 is started, and the root rotary assembly is used to turn the soil in the oat field to turn out the residual grass roots.

[0022] Specifically, the lifting vertical guide assembly includes a U-shaped support plate 7 and an electric push rod 8 fixedly connected to the top of the circular bottom plate 1, the protruding end of the electric push rod 8 is fixedly connected to the L-shaped lifting plate 6, the left side of the L-shaped lifting plate 6 is fixedly connected to the right side of the circular seat 5, the U-shaped support plate 7 is slidably sleeved on the L-shaped lifting plate 6, wherein the top of the U-shaped support plate 7 is provided with a second rectangular guide hole that is in sliding contact with the outer side of the L-shaped lifting plate 6, which plays an effect of guiding the vertical sliding of the L-shaped lifting plate 6; the U-shaped support plate 7, the electric push rod 8 and the L-shaped lifting plate 6 are arranged to cooperate, and the electric push rod 8 is used to drive the L-shaped lifting plate 6 to move up and down, and the L-shaped lifting plate 6 is used to drive the circular seat 5 to move up and down for lifting and adjustment.

[0023] Furthermore, the root rotation component includes a U-shaped seat 15 fixedly connected to the bottom of the L-shaped lifting plate 6, the U-shaped seat 15 is located in the circular bottom plate 1, the bottom of the U-shaped seat 15 extends to the bottom of the circular bottom plate 1, and a roller 16 is rotatably installed on the rear inner wall of the U-shaped seat 15, wherein a second bearing is fixedly installed on the rear inner wall of the U-shaped seat 15, and a pin is fixedly sleeved in the inner ring of the second bearing, and the front end of the pin is fixedly connected to the rear end of the roller 16, which has the effect of rotatably installing the roller 16, and a plurality of soil turning blades 17 are fixedly connected to the outer side of the roller 16, and the U-shaped seat A rotating motor 18 is fixedly installed on the front side of 15 with an output shaft fixedly connected to the front end of the roller 16; the U-shaped seat 15, the roller 16, the tilling blade 17 and the rotating motor 18 are coordinated, and the rotating motor 18 drives the roller 16 to rotate, and the roller 16 drives the multiple tilling blades 17 to rotate, and the downward movement of the L-shaped lifting plate 6 is used to realize the downward movement of the multiple tilling blades 17 through the U-shaped seat 15 and the roller 16 in turn, and the multiple tilling blades 17 that are moved downward and rotated are used to turn the soil in the oat field, so as to achieve the effect of turning out the grass roots remaining after rotary cutting.

[0024] Furthermore, the two-point linkage rotary drive assembly includes two rotating shafts 12 rotatably mounted at the bottom of the circular seat 5, wherein the bottom of the circular seat 5 is provided with two circular through holes, and a third bearing is fixedly sleeved in the circular through holes, and the inner ring of the third bearing is fixedly sleeved with the outer side of the corresponding rotating shaft 12, which plays the effect of rotatably mounting the rotating shaft 12, and the top ends of the two rotating shafts 12 extend into the circular seat 5 and are fixedly connected with sprockets 10, and the two sprockets 10 are transmission-connected with the same chain 11, and the top of the sprocket 10 located on the front side is fixedly connected to the bottom end of the output shaft of the driving motor 9, and the bottom end of the rotating shaft 12 extends into the storage box 3, and the bottoms of both sides of the rotating shaft 12 are respectively fixedly connected to the sides close to the corresponding two cutting knives 13, and two positioning sleeves 14 are respectively slidably sleeved on the corresponding rotating shafts 12; the rotating shaft 12, sprocket 10 and chain 11 are arranged to cooperate with each other, and the rotating shaft 12, sprocket 10 and chain 11 are used to pass when the circular seat 5 moves downward. The four cutting knives 13 are driven downward by the two rotating shafts 12 to move out, and when the circular seat 5 moves upward, the four cutting knives 13 are driven by the two rotating shafts 12 to move back upward and be stored in the storage box 3, so that the cutting knives 13 are stored, hidden and protected when not in use, thereby reducing the risk of being accidentally damaged or accidentally hurting people when not in use; the driving motor 9 is used to drive the front sprocket 10 to rotate, and the front sprocket 10 drives the rear sprocket 10 to rotate through the chain 11, and the two sprockets 10 drive the two rotating shafts 12 to rotate, and the rotating shaft 12 drives the corresponding two cutting knives 13 to rotate to rotate and cut the grass roots in the oat field. The positioning sleeve 14 is used to vertically guide and prevent the corresponding rotating shaft 12 from tilting when it moves downward, and through its own rotation, it can follow the rotation through the friction between the rotating shaft 12 when the rotating shaft 12 rotates, so as not to affect the rotation of the rotating shaft 12 itself.

[0025] The method of using the present embodiment is as follows: when in use, the tractor connecting seat is connected to the external tractor so that it drives the device to move into the oat field. When weeding before sowing in the oat field, the driving motor 9 and the rotating motor 18 are started, and the electric push rod 8 is started in reverse to drive the L-shaped lifting plate 6 to move downward, and the L-shaped lifting plate 6 drives the round seat 5 to slide downward on the U-shaped guide plate 4, and the round seat 5 drives the four cutting knives 13 to move downward from the storage box 3 through the two rotating shafts 12. When the driving motor 9 is started, the sprocket wheel 10 on the front side is driven to rotate, and the sprocket wheel 10 on the front side drives the sprocket wheel 10 on the rear side to rotate through the chain 11. The two sprocket wheels 10 drive the two rotating shafts 12 to rotate, and the rotating shaft 12 friction drives the corresponding positioning sleeve 14 to rotate, and the positioning sleeve 14 can be used to vertically guide the rotating shaft 12 to prevent tilting when it moves downward, and the corresponding two cutting knives 13 are driven to rotate when the rotating shaft 12 rotates, and the device is driven to move at this time, and the four cutting knives 13 that are moved out and rotated are used to realize the rotational cutting process of the grass roots in the oat field;

[0026] When the rotating motor 18 is started, it drives the roller 16 to rotate, and the roller 16 drives the multiple soil turning blades 17 to rotate. When the L-shaped lifting plate 6 moves downward, it drives the multiple soil turning blades 17 to move downward in sequence through the U-shaped seat 15 and the roller 16. The multiple soil turning blades 17 that move downward and rotate are used to turn the soil in the oat field, so as to achieve the effect of turning out the grass roots remaining after rotary cutting, thereby avoiding the phenomenon that a large number of grass roots in the lower part of the soil affect subsequent sowing, and improving the weeding effect;

[0027] After use, the electric push rod 8 is started in the forward direction to drive the L-shaped lifting plate 6 to move upward, and the L-shaped lifting plate 6 drives the soil-turning blade 17 to rise through the U-shaped seat 15 and the roller 16 in turn. At the same time, the L-shaped lifting plate 6 drives the circular seat 5 to move back upward, and the circular seat 5 drives the four cutting knives 13 to move back upward and be stored in the storage box 3 through the two rotating shafts 12, so as to achieve the effect of integrated storage and hidden protection of the four cutting knives 13 after use, thereby reducing the risk of accidental damage or accidental injury to people when not in use, and improving safety when not in use.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An oat weeder, comprising a circular bottom plate (1), wherein four corners of the bottom of the circular bottom plate (1) are rotatably mounted with universal wheels (2), characterized in that: The left side of the circular bottom plate (1) is fixedly connected to a storage box (3) with an opening at the bottom, the top of the circular bottom plate (1) is fixedly connected to a lifting vertical guide assembly, the bottom end of the lifting vertical guide assembly is fixedly connected to a rotary root assembly, the left side of the lifting vertical guide assembly is fixedly connected to a circular seat (5), the top of the storage box (3) is fixedly connected to a U-shaped guide plate (4), the circular seat (5) is slidably sleeved on the U-shaped guide plate (4), a two-point linkage rotary drive assembly is rotatably mounted on the bottom of the circular seat (5), a driving motor (9) whose output shaft is fixedly connected to the two-point linkage rotary drive assembly is fixedly mounted on the top of the circular seat (5), two cutting knives (13) are fixedly connected to the bottom of both sides of the two-point linkage rotary drive assembly, the four cutting knives (13) are all located in the storage box (3), and two positioning sleeves (14) are rotatably embedded on the top of the storage box (3) and are both slidably sleeved on the two-point linkage rotary drive assembly.

2. An oat weeder according to claim 1, characterized in that: The lifting vertical guide assembly comprises a U-shaped support plate (7) fixedly connected to the top of the circular bottom plate (1) and an electric push rod (8); the extended end of the electric push rod (8) is fixedly connected to an L-shaped lifting plate (6); the left side of the L-shaped lifting plate (6) is fixedly connected to the right side of the circular seat (5); and the U-shaped support plate (7) is slidably sleeved on the L-shaped lifting plate (6).

3. An oat weeder according to claim 2, characterized in that: The rotary root assembly comprises a U-shaped seat (15) fixedly connected to the bottom of the L-shaped lifting plate (6), the U-shaped seat (15) is located in the circular bottom plate (1), the bottom of the U-shaped seat (15) extends to the bottom of the circular bottom plate (1), a roller (16) is rotatably mounted on the inner wall of the rear side of the U-shaped seat (15), a plurality of soil turning blades (17) are fixedly connected to the outer side of the roller (16), and a rotary motor (18) whose output shaft is fixedly connected to the front end of the roller (16) is fixedly mounted on the front side of the U-shaped seat (15).

4. An oat weeder according to claim 3, characterized in that: The two-point linkage rotary drive assembly comprises two rotating shafts (12) rotatably mounted at the bottom of the circular seat (5), the top ends of the two rotating shafts (12) both extend into the circular seat (5) and are fixedly connected to sprockets (10), the two sprockets (10) are transmission-connected to the same chain (11), the top of the sprocket (10) located at the front side is fixedly connected to the bottom end of the output shaft of the driving motor (9), the bottom end of the rotating shaft (12) extends into the storage box (3), the bottom ends of both sides of the rotating shaft (12) are respectively fixedly connected to the sides close to the corresponding two cutting knives (13), and two positioning sleeves (14) are respectively slidably sleeved on the corresponding rotating shafts (12).

5. The oat weeder according to claim 1, characterized in that: A support is fixedly connected to the right side of the top of the circular bottom plate (1), and a tractor connecting seat is fixedly installed on the right side of the support.

6. The oat weeder according to claim 1, characterized in that: The top of the circular seat (5) is provided with two first rectangular guide holes which are in sliding contact with the outer side of the U-shaped guide plate (4).

7. An oat weeder according to claim 2, characterized in that: The top of the U-shaped support plate (7) is provided with a second rectangular guide hole which is in sliding contact with the outer side of the L-shaped lifting plate (6).

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