CN111201881A

CN111201881A - Small weeding operation device capable of swinging along with land

Info

Publication number: CN111201881A
Application number: CN202010156396.4A
Authority: CN
Inventors: 卢世魁
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-05-29

Abstract

The invention relates to a small weeding operation device capable of swinging along with the ground, which comprises an operation mechanism, wherein the operation mechanism comprises a shell and a cutter shaft, a power driving device in transmission connection with the cutter shaft is arranged on the outer wall of one side of the shell, the shell is in rotary connection with a pushing locomotive through a rotating shaft mechanism, one end of a limiting buffer device is hinged to the shell, and the other end of the limiting buffer device is hinged to the pushing locomotive; according to the invention, through the design that the rotating shaft mechanism is connected with the operating mechanism and the pushing locomotive and the design that the power driving device is arranged on the shell, the rotating connection of the operating mechanism and the pushing locomotive is realized, so that the operating mechanism can swing according to the fluctuation of the forest land to adapt to the operation on the laterally uneven ground, and the weeding effect of the operating mechanism is effectively improved; and through the connection design of the limiting buffer device, the swing of the operating mechanism is limited in a certain range, and the safe operation and the operation safety during the replacement of the operating mechanism are ensured.

Description

Small weeding operation device capable of swinging along with land

Technical Field

The invention belongs to the technical field of agricultural operation machinery, and particularly relates to a small weeding operation device capable of swinging along with the ground.

Background

In order to ensure the good growth of fruit trees, the weeds in the forest need to be cleaned regularly. The artificial weeding efficiency is low, and the working strength is high. Although a walking weeding mechanism with the patent number of 201821289053.X appears in the market at present, the operation state of a weeding knife of the mechanism is perpendicular to the ground and rotates at a high speed, and the weeding knife cannot be adjusted in real time anywhere, so that the weeding mechanism is poor in adaptability to uneven forest lands.

Although a light-duty flail blade type mower capable of swinging left and right is available under patent No. 201821750959.7, the adjustment of the angle of the rotating arm is realized by inserting the positioning pin into each inserting hole on the first connecting plate, so that the swing adjustment of the left and right positions of the whole mower cover, namely the operation mechanism, can be realized only by inserting the mower cover again after the whole mower stops, namely, the terrain is manually predicted in advance and manually adjusted, the operation is troublesome, the real-time automatic adjustment cannot be realized, and the mower is of a dragging type when in use, and the cleaning effect of grass plants which are crushed and fallen in the front is poor.

Therefore, it is necessary to provide an operation device which can be adapted to various woodland ground in real time and anywhere to ensure a good weeding effect.

Disclosure of Invention

In order to solve the problems that the operation mechanism in the prior art can not carry out the fluctuation operation along with the ground in real time and the dragging type weeding operation has poor effect, the invention provides a small weeding operation device which swings along with the ground.

In order to achieve the purpose, the technical solution of the invention is as follows: a small weeding operation device swinging along with the ground comprises an operation mechanism, a rotating shaft mechanism and a limiting buffer device; the operating mechanism comprises a shell, a cutter shaft is rotatably connected between the left side and the right side in the shell, and a power driving device in transmission connection with the cutter shaft is arranged on the outer wall of one side of the shell; the rotating shaft mechanism comprises a fixed base, a rotating transition piece and a sleeved shell, the fixed base is rotatably connected with the sleeved shell through the rotating transition piece, the fixed base is fixedly connected with the pushing locomotive, the sleeved shell is fixedly connected with the machine shell, one end of the limiting buffer device is hinged to the fixed base, and the other end of the limiting buffer device is hinged to the lower portion of one side of the machine shell, which is provided with the power driving device, so that the operating mechanism can swing left and right at a certain angle along with the ground in the operation process to adapt to the laterally uneven ground.

Furthermore, the fixed base comprises a fixed plate, a rotating support shaft is fixedly connected to the fixed plate, a limiting plate is further arranged below the rotating support shaft and on the fixed plate, a rotating transition piece is sleeved on the rotating support shaft, a fixing thread is arranged at one end, far away from the fixed plate, of the rotating support shaft, a sleeving shell is sleeved on the rotating transition piece and is limited and fixed by a nut fixed on the fixing thread, and one side, close to the fixed plate, of the sleeving shell corresponds to the limiting plate and is provided with a limiting block.

Further, the rotating transition piece is a self-lubricating copper bearing.

Alternatively, the rotating transition piece may also be a self-aligning ball bearing.

Furthermore, a self-lubricating thrust washer is arranged between the sleeved shell and the nut.

Further, spacing buffer includes the connecting rod, the connecting rod passes through the extension spring and is connected with connecting screw, the cover is equipped with articulated piece on the connecting screw, threaded connection has adjusting nut on both sides, the connecting screw of articulated piece to thereby adjust and pull the power and adjust but swing angle according to actual need.

Optionally, the limiting buffer device is a gas spring.

Furthermore, the power driving device is an electric motor or a hydraulic motor, namely the device provided by the invention is provided with an independent power driving device, and can directly convert the rest energy into kinetic energy instead of the traditional method of transmitting the kinetic energy from the locomotive by a mechanical transmission mode.

Furthermore, a grass combing plate is arranged on the inner wall of the machine shell and at the rear end of the advancing direction, so that grass winding of the cutter shaft is avoided.

Furthermore, Y-shaped flail knives are uniformly distributed on the cutter shaft in a spiral shape.

The invention has the beneficial effects that:

1. through the design that the rotating shaft mechanism is used for connecting the operating mechanism with the pushing locomotive and the design that the power driving device is arranged on the shell, the mode that the traditional operating mechanism needs to be in mechanical transmission connection with the front end pushing locomotive due to the fact that the kinetic energy transmitted by the front end pushing locomotive is needed is distinguished, the rotating connection of the operating mechanism is achieved, the operating mechanism can swing according to the fluctuation of a forest land to adapt to the operation of the laterally uneven ground, and the weeding effect of the operating mechanism is effectively improved.

2. One end of the limiting buffer device is hinged to the fixed base, the other end of the limiting buffer device is hinged to the lower portion of one side, provided with the power driving device, of the machine shell, and the limiting block of the limiting plate and the limiting block of the sleeved shell are matched in a limiting mode on the fixed plate, so that the swinging of the operating mechanism is limited in a certain range, and the operation safety during safe operation and operation mechanism replacement is guaranteed.

3. The arrangement of the grass combing plate on the rear end in the advancing direction and the inner wall of the machine shell and the arrangement of the Y-shaped flail knives which are uniformly distributed in a spiral shape enable the knife shaft of the invention to avoid being wound by weeds and to better crush the weeds and to be kept in forest lands.

Drawings

FIG. 1 is a front isometric view of the apparatus of the present invention.

Fig. 2 is a side sectional view of fig. 1 through the center of rotation.

Fig. 3 is an exploded view of fig. 1.

Fig. 4 is a rear isometric view of the inventive device.

Fig. 5 is an isometric view of the work mechanism of the present invention.

FIG. 6 is a schematic view of the fitting structure of the fixed base and the nesting housing of the present invention.

Detailed Description

The technical scheme of the invention is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. And unless expressly stated or limited otherwise, the terms "mounted" and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The structure of the invention is as follows: a small-sized weeding operation device swinging along with the ground comprises an operation mechanism 1, as shown in figure 5, wherein the operation mechanism 1 comprises a machine shell 11, a ground-following roller 16 and a cutter shaft 12, the cutter shaft 12 is rotatably connected to the left side wall and the right side wall of the machine shell 11, as shown in figure 1, a power driving device 13 is arranged on the left side wall of the machine shell 11, the power driving device 13 is in transmission connection with the cutter shaft 12 to drive a flail knife thereon to rotate at a high speed, and the ground-following roller 16 is arranged at the lower part of the rear end of the machine shell 11 in the advancing direction; as shown in fig. 4, the present invention further includes a rotating shaft mechanism 2 and a limiting buffer device 3, the casing 11 is rotatably connected to the pushing vehicle through the rotating shaft mechanism 2 to realize the free-swing of the working mechanism 1, in order to prevent the working mechanism from being broken or easily injuring the operator due to the free-swing of the working mechanism when the working mechanism is replaced or transferred from one forest land to another forest land, one end of the limiting buffer device 3 is hinged to the casing 11, and the other end is hinged to the pushing vehicle.

The power driving device 13 of the embodiment can be an electric motor or a hydraulic motor, namely, the operation can be realized only by supplying power through an electric wire or supplying high-pressure oil through a hydraulic pipe, the mode that the traditional operation mechanism needs to be in mechanical transmission connection due to the fact that the front end of the traditional operation mechanism needs to push the kinetic energy transmitted by the locomotive, and then the relative motion of the traditional operation mechanism and the locomotive is restrained is overcome, a foundation is provided for the rotation connection of the operation mechanism, the operation mechanism can swing according to the fluctuation of the forest land by matching with the rotating shaft mechanism 2 so as to adapt to the operation of the laterally uneven ground, and the weeding effect of the operation mechanism is effectively improved.

In this embodiment, as shown in fig. 2 and fig. 3, the rotating shaft mechanism 2 includes a fixed base 21, a rotating transition piece 22, and a sleeving outer shell 23, the fixed base 21 is rotatably connected to the sleeving outer shell 23 through the rotating transition piece 22, specifically, the fixed base 21 is fixedly connected to a bolt of a pushing locomotive, the sleeving outer shell 23 is fixedly connected to a housing 11 through the bolt, one end of the limiting and buffering device 3 is hinged to the fixed base 21, and the other end of the limiting and buffering device is hinged to a lower portion of the housing 11 on the side where the power driving device 13 is disposed, so as to pull the operating mechanism 1 and limit the swing amplitude thereof.

Preferably, the number of the limiting buffer devices 3 is two, and the two sides of the machine shell 11 are symmetrically pulled.

Further, as shown in fig. 2, the fixed base 21 includes a fixed plate 21a, a rotation support shaft 21b is welded and fixed at the center of the fixed plate 21a, the rotation transition piece 22 is sleeved on the rotation support shaft 21b, a fixing thread is arranged at one end of the rotation support shaft 21b far away from the fixed plate 21a, the sheathing casing 23 is sleeved on the rotation transition piece 22, the left end of the sheathing casing is limited by the fixed plate 21a in lateral movement, and the right end of the sheathing casing is limited by a nut 21c fixed on the fixing thread in lateral movement, so that the sheathing casing 23 can only rotate around the rotation support shaft 21 b.

Preferably, the fixing plate 21a and the lower portion of the rotating support shaft 21b are further provided with two limiting plates 21d, correspondingly, one side of the sleeving outer shell 23 close to the fixing plate 21a is provided with a limiting block 23a, and when the sleeving outer shell 23 rotates by a certain angle, the limiting block 23a is abutted by the limiting plates 21 to stop rotating, so as to limit the swinging angle.

In this embodiment, the rotating transition piece 22 is a self-lubricating copper bearing.

As a preferred technical scheme of the design, in order to prolong the service life of the invention, a self-lubricating thrust washer 24 is further arranged between the sleeving outer shell 23 and the nut 21c, and the left end of the rotating transition piece 22 is provided with a folded edge so as to reduce damage caused by friction.

It is easily conceivable that the rotary transition piece 22 could also be a self-aligning ball bearing and be fixed to the rotary support shaft 21b by means of a clamping sleeve.

In this embodiment, as shown in fig. 4, the limiting buffer device 3 includes a connecting rod 31, the connecting rod 31 is connected with a connecting screw rod 33 through a tension spring 32, a hinged block 34 is sleeved on the connecting screw rod 33, adjusting nuts 35 are connected to two sides of the hinged block 34 and the connecting screw rod 33 through threads, and the connecting rod 31 is specific to the fixing plate 21a, the hinged block 34 is hinged to the housing 11, and when the swing angle of the operating mechanism 1 needs to be adjusted, the distance from the hinged block 34 to the tail end of the tension spring 32 can be adjusted through the adjusting nuts 35.

In some embodiments, the limit buffer 3 may also be a gas spring.

As a preferred technical solution of the present design, as shown in fig. 2, a grass combing plate 14 is further fixed on the inner wall of the housing 11 and at the rear end in the traveling direction to prevent weeds from winding around the knife shaft.

As a preferred technical solution of the present design, as shown in fig. 5, the flail knives of the knife shaft 12 are Y-shaped flail knives 15, and the Y-shaped flail knives 15 are spirally and uniformly distributed on the knife shaft 12, so as to further avoid grass winding and crush weeds and keep in the forest land.

As a preferred technical scheme of this design, still be equipped with triangle regulating plate 17 between anywhere cylinder 16 and the casing 11 inner wall, two angles of triangle regulating plate 17 rotate with anywhere cylinder 16 and casing 11 respectively and are connected, and the tie point of casing 11 and triangle regulating plate 17 is the circumference equipartition on the another angle and is equipped with a plurality of connecting holes, and it is fixed with the cooperation respectively of a plurality of connecting holes through another fixed orifices on the casing 11 for it is nimble according to actual conditions to adjust the degree of depth of mowing with the cylinder 16 along with the place.

Furthermore, the lower parts of the left and right side walls of the housing 11 of the present invention are hinged with one end of a sliding support plate 18, the other end of the sliding support plate 18 is provided with fixing pin holes which are uniformly distributed in a circumference corresponding to the hinged point, the sliding support plate 18 realizes the extension of the left and right side walls of the housing 11 by matching and bolting the fixing pin holes with the fixing holes on the housing 11, so as to adapt to the adjustment of the mowing depth.

When the device is used, the operation mechanism 1, the rotating shaft mechanism 2 and the limiting buffer device 3 are assembled according to the requirements, then the lower part of the connecting end of the pushing locomotive is locked with the fixing plate 21a through bolts, after the device is fixed, the power driving device 13 is communicated with a power supply line or a hydraulic pipe of the pushing locomotive, the power supply line or the hydraulic pipe has allowance to adapt to the up-down and left-right movement of the operation mechanism 1, and when the device is switched from one forest land to another forest land, the connecting end of the pushing locomotive is operated to be lifted for a certain distance, so that the operation mechanism 1 is separated from the ground and directly driven.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The small weeding operation device capable of swinging along with the ground comprises an operation mechanism (1), wherein the operation mechanism (1) comprises a machine shell (11), a location-following roller (16) and a cutter shaft (12), and is characterized in that a power driving device (13) in transmission connection with the cutter shaft (12) is arranged on the outer wall of one side of the machine shell (11), the machine shell (11) is rotatably connected with a pushing locomotive through a rotating shaft mechanism (2), one end of a limiting buffer device (3) is hinged to the machine shell (11), and the other end of the limiting buffer device (3) is hinged to the pushing locomotive.

2. The small-sized weeding operation device swinging along with the ground as claimed in claim 1, wherein said rotation shaft mechanism (2) comprises a fixed base (21), a rotation transition piece (22), and a sleeving housing (23), said fixed base (21) is rotatably connected with said sleeving housing (23) through said rotation transition piece (22), said fixed base (21) is fixedly connected with the pushing locomotive, said sleeving housing (23) is fixedly connected with the machine shell (11), one end of said limiting and buffering device (3) is hinged on said fixed base (21), and the other end is hinged on the lower portion of one side of said machine shell (11) where the power driving device (13) is arranged.

3. The small weeding operation device swinging along with the ground as claimed in claim 2, wherein the fixed base (21) comprises a fixed plate (21a), a rotating support shaft (21b) is fixedly connected to the fixed plate (21a), a limiting plate (21d) is further arranged below the rotating support shaft (21b) and on the fixed plate (21a), the rotating transition piece (22) is sleeved on the rotating support shaft (21b), one end of the rotating support shaft (21b) far away from the fixed plate (21a) is provided with a fixed thread, the sleeving shell (23) is sleeved on the rotating transition piece (22) and is limited and fixed by a nut (21c) fixed on the fixed thread, and one side of the sleeving shell (23) close to the fixed plate (21a) is provided with a limiting block (23a) corresponding to the limiting plate (21 d).

4. A land swing miniature weeding operation device according to claim 3, wherein said rotating transition piece (22) is a self-lubricating copper bearing.

5. A small-sized swinging weeding operation device according to claim 4, wherein a self-lubricating thrust washer (24) is further provided between the sheathing case (23) and the nut (21 c).

6. The small-sized weeding operation device swinging along with the ground as claimed in claim 5, wherein the limiting and buffering device (3) comprises a connecting rod (31), the connecting rod (31) is connected with a connecting screw rod (33) through a tension spring (32), an articulated block (34) is sleeved on the connecting screw rod (33), and adjusting nuts (35) are connected to two sides of the articulated block (34) and the connecting screw rod (33) through threads.

7. A small-sized swinging weeding operation device according to claim 6, wherein said limit buffering means (3) is an air spring.

8. A small-sized device for weeding operation according to any one of claims 1 to 7, wherein said power drive means (13) is an electric motor or a hydraulic motor.

9. A small-sized anywhere else weeder working device according to claim 8, wherein a grass combing plate (14) is further provided on the inner wall of the housing (11) at the rear end in the traveling direction.

10. A small-sized swing-along weeding operation device according to claim 9, wherein the cutter shaft (12) is spirally and uniformly provided with Y-shaped flail knives (15).