Rotary tillage structure and rotary cultivator

Abstract

The rotary tillage structure comprises a structure body, a rotary driving assembly and a connecting rod driving assembly, the structure body is provided with a rotary tillage rotating shaft, rotary tillage blades are arranged on the peripheral side of the rotary tillage rotating shaft, the rotary tillage blades are partially arranged on the structure body in a protruding mode, and the rotary tillage blades are used for loosening soil in a rotating mode; the rotary driving assembly is arranged at one end of the structure main body and is in driving connection with the rotary tillage rotating shaft to drive the rotary tillage rotating shaft to rotate; the connecting rod driving assembly is arranged on the surface, away from the ground, of the structure body, distributed in the middle of the structure body and arranged at an included angle, the connecting rod driving assembly comprises a driving piece, a first connecting rod and a second connecting rod, and the first connecting rod and the second connecting rod are movably connected to the structure body. The driving part drives the first connecting rod and the second connecting rod to drive the structure body to reciprocate. The connecting rod driving assembly is simple in structure, can provide enough power, and adapts to a complex soil environment.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural equipment, and particularly relates to a rotary tillage structure and a rotary tiller. Background Art

[0002] With the continuous improvement of the level of agricultural science and technology, most of the land preparation work in farmland has been mechanized. Therefore, rotary tillage of farmland soil by a rotary tiller or a harvester has become a common method. At present, most rotary tillers are towed by tractors, and power is transmitted through chains or gears. This method has problems such as high labor costs, low efficiency, inability to adapt to complex terrains, and insufficient power of the rotary tiller. Content of the Utility Model

[0003] In order to solve the above problems, the utility model provides a rotary tillage structure, which adopts an automatic rotary tiller, improves work efficiency, provides sufficient power, and adapts to complex soil environments at the same time.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0005] A rotary tillage structure, comprising:

[0006] A structure main body, the structure main body has a rotary tillage rotating shaft, rotary tillage blades are arranged on the circumferential side of the rotary tillage rotating shaft, part of the rotary tillage blades protrude from the structure main body, the rotary tillage blades are used for rotating and loosening the soil, and the structure main body has a length direction;

[0007] A rotary drive assembly, the rotary drive assembly is arranged at one end of the structure main body and is drivingly connected to the rotary tillage rotating shaft to drive the rotary tillage rotating shaft to rotate; and

[0008] A connecting rod drive assembly, the connecting rod drive assembly is arranged on the surface of the structure main body facing away from the ground, distributed in the middle of the structure main body and arranged at an angle. The connecting rod drive assembly includes a driving member, a first connecting rod and a second connecting rod. The first connecting rod and the second connecting rod are respectively movably connected to the structure main body. The first connecting rod and the second connecting rod are distributed in the same vertical direction, and the second connecting rod is arranged close to the ground. The driving member is movably connected to the structure main body, and the driving member drives the first connecting rod and the second connecting rod to drive the structure main body to make a reciprocating motion.

[0009] Preferably, a first connecting portion and a second connecting portion are arranged on the surface of the structure main body facing away from the ground. Two first mounting holes are formed in the first connecting portion. The first connecting rod and the second connecting rod are correspondingly connected to the first connecting portion through the first mounting holes. A second mounting hole is formed in the second connecting portion. The driving member is correspondingly connected to the second connecting portion through the second mounting hole.

[0010] Preferably, two groups of the first connecting rod and the second connecting rod are provided, which are symmetrically distributed on both sides of the driving member, and a connecting member is provided between the two second connecting rods, and the connecting member is used to connect the two second connecting rods.

[0011] Preferably, the structural body also includes a frame, the frame is provided with an installation cavity facing the ground, the installation cavity is used to install the rotary tiller shaft, and the first connecting part and the second connecting part are arranged on the surface of the frame.

[0012] Preferably, the frame is provided with a baffle, which is arranged on the cavity wall of the installation cavity and extends toward the ground;

[0013] And / or, the baffle is arranged along the length direction of the frame.

[0014] Preferably, the rotary drive assembly includes a cycloidal motor, a coupling and a reduction gearbox, the cycloidal motor and the reduction gearbox are connected via the coupling, the cycloidal motor and the coupling are arranged on the surface of the structural body facing away from the ground and are arranged along the length direction, the reduction gearbox is arranged on one side of the structural body, and the rotating shaft of the reduction gearbox is drivingly connected to the rotary tiller shaft.

[0015] Preferably, a protective cover is provided on the peripheral side cover of the cycloid motor.

[0016] Preferably, a first side plate and a second side plate are provided at the end of the structural body, the first side plate is used to connect the reduction box, and the second side plate is provided with a rotating connection seat, and the rotating connection seat is used to install the rotating connection seat and limit the position of the rotary tiller shaft.

[0017] Preferably, a mounting seat is provided on the circumferential side of the rotary tillage shaft, and the mounting seat is used to mount the rotary tillage blade.

[0018] The utility model further provides a rotary tiller, comprising a rotary tillage structure and a rotary tiller body, wherein the first connecting rod, the second connecting rod and the other end of the driving member are movably connected to the rotary tiller body, and the rotary tillage structure comprises: a structural body, wherein the structural body has a rotary tillage shaft, and a rotary tillage blade is arranged on the circumference of the rotary tillage shaft, and the rotary tillage blade is used to rotate and loosen the soil, and the structural body has a length direction;

[0019] A rotary drive assembly, which is disposed at one end of the structural body and is drivingly connected to the rotary tillage shaft to drive the rotary tillage shaft to rotate; and

[0020] Link drive assembly, the link drive assembly is arranged on the surface of the structural body away from the ground, distributed in the middle of the structural body and arranged at an angle. The link drive assembly includes a drive member, a first link and a second link. The first link and the second link are respectively movably connected to the structural body. The first link and the second link are distributed in the same vertical direction, and the second link is arranged close to the ground. The drive member is movably connected to the structural body, and the drive member drives the first link and the second link to drive the structural body to make a reciprocating motion.

[0021] Compared with the existing technology, the beneficial effects of the present utility model are as follows:

[0022] By using the link drive assembly to drive the structural body to make a reciprocating motion, wherein the link drive assembly includes a drive member, a first link and a second link. When the drive member extends or retracts to drive the structural body, the first link and the second link limit the linear motion of the structural body, so that the structural body makes a reciprocating motion, and cooperate with the rotary tillage shaft and the rotary tillage blades to achieve the purpose of loosening the soil. The link drive assembly has a simple structure, can provide sufficient power, and adapts to complex soil environments. Description of the Drawings

[0023] Figure 1 is the structural schematic diagram of the rotary tillage structure of the present utility model;

[0024] Figure 2 is the structural schematic diagram of another angle of the rotary tillage structure of the present utility model;

[0025] Figure 3 is Figure 2 the enlarged view at A in

[0026] Figure 4 is the partial structural schematic diagram of the rotary tiller of the present utility model.

[0027] In the drawings, 1 - structural body, 11 - rotary tillage shaft, 111 - mounting seat, 112 - rotary connection seat, 12 - rotary tillage blade, 13 - first connection part, 131 - first mounting hole, 14 - second connection part, 141 - second mounting hole, 15 - connecting piece, 16 - framework, 17 - baffle, 18 - first side plate, 19 - second side plate, 2 - rotary drive assembly, 21 - cycloidal motor, 22 - coupling, 23 - reduction box, 24 - protective cover, 3 - link drive assembly, 31 - drive member, 32 - first link, 33 - second link, 4 - chassis, 41 - third connection part, 42 - fourth connection part Detailed Embodiments

[0028] To make the objectives, technical solutions and advantages of the present utility model clearer, the following will further describe the embodiments of the present utility model in detail with reference to the drawings.

[0029] When the following description refers to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. On the contrary, they are merely examples of devices and methods consistent with some aspects of the present invention as detailed in the appended claims.

[0030] In the description of the present invention, it should be understood that the terms "first", "second", etc. are used for descriptive purposes only and cannot be construed as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. In addition, in the description of the present invention, unless otherwise specified, "a plurality of" means two or more. "And / or" describes the association relationship of associated objects and indicates that three relationships can exist. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. The character " / " generally indicates that the associated objects before and after are in an "or" relationship.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of this specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0032] To solve the above problems, please refer to Figures 1 to 4, the present utility model proposes a rotary tillage structure, which includes a structure main body 1, a rotary drive assembly 2 and a connecting rod drive assembly 3. The structure main body 1 has a rotary tillage rotating shaft 11, and rotary tillage blades 12 are arranged on the circumferential side of the rotary tillage rotating shaft 11. Part of the rotary tillage blades 12 protrudes from the structure main body 1, and the rotary tillage blades 12 are used for rotating and loosening the soil. The structure main body 1 has a length direction; the rotary drive assembly 2 is arranged at one end of the structure main body 1 and is drivingly connected to the rotary tillage rotating shaft 11 to drive the rotary tillage rotating shaft 11 to rotate; the connecting rod drive assembly 3 is arranged on the surface of the structure main body 1 facing away from the ground, is distributed in the middle of the structure main body 1 and is arranged at an angle. The connecting rod drive assembly 3 includes a driving member 31, a first connecting rod 32 and a second connecting rod 33. The first connecting rod 32 and the second connecting rod 33 are respectively movably connected to the structure main body 1. The first connecting rod 32 and the second connecting rod 33 are distributed in the same vertical direction, and the second connecting rod 33 is arranged close to the ground. The driving member 31 is movably connected to the structure main body 1, and the driving member 31 drives the first connecting rod 32 and the second connecting rod 33 to drive the structure main body 1 to make a reciprocating motion. Among them, the driving mode of the driving member 31 can be cylinder driving or oil cylinder driving. In this embodiment, oil cylinder driving is adopted, and oil cylinder driving is relatively stable and is easy to achieve quick start, braking and frequent commutation.

[0033] In an alternative embodiment, as Figure 1 and Figure 2 shown, a first connection portion 13 and a second connection portion 14 are arranged on the surface of the structure main body 1 facing away from the ground. Two first mounting holes 131 are formed in the first connection portion 13. The first connecting rod 32 and the second connecting rod 33 are correspondingly connected to the first connection portion 13 through the first mounting holes 131. A second mounting hole 141 is formed in the second connection portion 14. The driving member 31 is correspondingly connected to the second connection portion 14 through the second mounting hole 141. The first connecting rod 32 and the second connecting rod 33 are both provided with hole positions, and the positioning between the first connecting rod 32 and the second connecting rod 33 and the first connection portion 13 is realized by corresponding the hole positions to the first mounting holes 131. After alignment, a limiting rotating shaft is used for fixation, so that the first connecting rod 32 and the second connecting rod 33 can move relative to the structure main body 1.

[0034] In an alternative embodiment, as Figure 1 and Figure 2As shown, there are two sets of the first link 32 and the second link 33, symmetrically distributed on both sides of the driving member 31. A connecting member 15 is provided between the two second links 33, and the connecting member 15 is used to connect the two second links 33. By providing two sets of the first link 32 and the second link 33, sufficient supporting force can be provided for the movement of the structural body 1, and the setting of the connecting member 15 enables the operation of the two second links 33 to be synchronized.

[0035] In an alternative embodiment, as Figure 1 and Figure 2 shown, the structural body 1 further includes a framework 16. An installation cavity is provided in the direction of the framework 16 facing the ground, and the installation cavity is used to install the rotary tillage shaft 11. The first connecting portion 13 and the second connecting portion 14 are provided on the surface of the framework 16. Specifically, the cross-section of the framework 16 is in a "∩" structure and is made of steel material, which has the characteristic of high strength. The first connecting portion 13 and the second connecting portion 14 are designed to fit with the framework 16. Further, the first connecting portion 13 and the second connecting portion 14 can be connected to the framework 16 by welding, or can be formed integrally with the framework 16.

[0036] In an alternative embodiment, as Figure 1 and Figure 2 shown, the framework 16 is provided with a baffle 17. The baffle 17 is provided on the wall of the installation cavity and extends towards the ground. The baffle 17 is arranged along the length direction of the framework 16. When the rotary tillage blade 12 rotates to loosen the soil, the baffle 17 can block the stones or mud blocks that are bounced up, ensuring the personal safety of the surrounding personnel. At the same time, the baffle 17 is made of rubber material, which has the characteristics of softness, low noise and good buffering performance.

[0037] In an alternative embodiment, as Figure 4 shown, the rotary drive assembly 2 includes a cycloidal motor 21, a coupling 22 and a reduction gearbox 23. The cycloidal motor 21 is connected to the reduction gearbox 23 through the coupling 22. The cycloidal motor 21 and the coupling 22 are provided on the surface of the structural body 1 facing away from the ground and are arranged along the length direction. The reduction gearbox 23 is provided on one side of the structural body 1, and the rotating shaft of the reduction gearbox 23 is drivingly connected to the rotary tillage shaft 11.

[0038] In an alternative embodiment, as Figure 4As shown, a protective cover 24 is provided on the circumferential side of the cycloid motor 21. The protective cover 24 is used to protect the cycloid motor 21 to prevent flying stones or foreign objects from entering the cycloid motor 21 and causing damage to the cycloid motor 21. Specifically, connection lugs are provided at the part where the protective cover 24 is connected to the structural body 1, and the structural body 1 is provided with hole positions corresponding to the connection lugs. The protective cover 24 is connected to the structural body 1 through the connection lugs and the corresponding hole positions. Further, the protective cover 24 can be a transparent structure, and the operating state of the cycloid motor 21 can be observed through the protective cover 24.

[0039] In an alternative embodiment, as Figure 1 and Figure 2 shown, a first side plate 18 and a second side plate 19 are provided at the end of the structural body 1. The first side plate 18 is used to connect the reduction gearbox 23, and the second side plate 19 is provided with a rotary connection seat 112. The rotary connection seat 112 is used to install the rotary connection seat 112 and limit the position of the rotary tillage shaft 11. Specifically, the height of the first side plate 18 is greater than the height of the structural body 1, so that a part of the first side plate 18 protrudes from the upper surface of the structural body 1, facilitating the installation of the reduction gearbox 23. The first side plate 18 is also provided with a relief hole to prevent the first side plate 18 from obstructing the connection between the reduction gearbox 23 and the coupling 22, and the connection between the reduction gearbox 23 and the rotary tillage shaft 11. The height of the second side plate 19 is less than the height of the structural body 1, and its upper end is flush with the structural body 1. A relief area is provided at one end close to the ground. The rotary connection seat 112 is threadedly connected to the second side plate 19, and the other end of the rotary tillage shaft 11 is inserted into the rotary connection seat 112. When the rotary drive assembly 2 drives the rotary tillage shaft 11 to rotate, the rotary tillage shaft 11 rotates relative to the rotary connection seat 112.

[0040] In an alternative embodiment, as Figure 3 shown, a mounting seat 111 is provided on the circumferential side of the rotary tillage shaft 11. The mounting seat 111 is used to mount the rotary tillage blade 12. Specifically, the mounting seat 111 is provided with a connection groove, and the end of the rotary tillage blade 12 that does not contact the ground is inserted into the connection groove. The rotary tillage blade 12 is fixed in the mounting seat 111 using fixing screws, realizing the detachable connection of the rotary tillage blade 12, facilitating subsequent maintenance and servicing operations of the rotary tillage blade 12. In addition, the mounting seat 111 and the rotary tillage blade 12 can also be connected by a snap-fit connection.

[0041] The present utility model further provides a rotary tiller, which includes a rotary tilling structure and a rotary tiller main body. The other ends of the first connecting rod 32, the second connecting rod 33 and the driving member 31 are movably connected to the rotary tiller main body. The rotary tiller main body includes a cab, a chassis 4 and traveling tracks. The chassis 4 is provided with a third connecting portion 41 and a fourth connecting portion 42. The first connecting rod 32 and the second connecting rod 33 are movably connected to the third connecting portion 41, and the driving member 31 is movably connected to the fourth connecting portion 42. The cab is movably connected to the chassis 4. The traveling tracks are connected to the surface of the chassis 4 facing the ground for the movement of the rotary tiller. A controller is arranged in the cab to control the movement of the traveling tracks, adjust the angle of the cab and control the rotary tilling structure to perform a reciprocating motion.

[0042] In the embodiment of the present utility model, the connecting rod driving assembly 3 is used to drive the structure main body 1 to perform a reciprocating motion. The connecting rod driving assembly 3 includes a driving member 31, a first connecting rod 32 and a second connecting rod 33. When the driving member 31 extends or retracts to drive the structure main body 1, the first connecting rod 32 and the second connecting rod 33 limit the linear motion of the structure main body 1, so that the structure main body 1 performs a reciprocating motion, and cooperate with the rotary tilling shaft 11 and the rotary tilling blades 12 to achieve the purpose of loosening the soil. The connecting rod driving assembly 3 has a simple structure, can provide sufficient power and adapt to complex soil environments; the walking and soil loosening operations of the rotary tiller are controlled separately by the controller in the cab, effectively allocating power resources.

[0043] In the drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components; in the description of the present utility model, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship, they are based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and cannot be construed as a limitation of the present utility model. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0044] The above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A rotary tillage structure, characterized in that: include: A structural body, wherein the structural body has a rotary tillage shaft, a rotary tillage blade is arranged on the circumference of the rotary tillage shaft, the rotary tillage blade is partially convexly arranged on the structural body, the rotary tillage blade is used to rotate and loosen the soil, and the structural body has a length direction; A rotary drive assembly, which is disposed at one end of the structural body and is drivingly connected to the rotary tillage shaft to drive the rotary tillage shaft to rotate; as well as A connecting rod driving assembly, wherein the connecting rod driving assembly is arranged on the surface of the structural body away from the ground, distributed in the middle of the structural body and arranged at an angle, the connecting rod driving assembly comprises a driving member, a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are respectively movably connected to the structural body, the first connecting rod and the second connecting rod are distributed in the same vertical direction, the second connecting rod is arranged close to the ground, the driving member is movably connected to the structural body, and the driving member drives the first connecting rod and the second connecting rod to drive the structural body to perform reciprocating motion.

2. The rotary tillage structure according to claim 1, characterized in that: A first connection part and a second connection part are provided on the surface of the structural body facing away from the ground, the first connection part is provided with two first mounting holes, the first connecting rod and the second connecting rod are correspondingly connected to the first connection part through the first mounting holes, the second connection part is provided with a second mounting hole, and the driving member is correspondingly connected to the second connection part through the second mounting hole.

3. The rotary tillage structure according to claim 2, characterized in that: The first connecting rod and the second connecting rod are each provided with two groups, which are symmetrically distributed on both sides of the driving member. A connecting member is provided between the two second connecting rods, and the connecting member is used to connect the two second connecting rods.

4. The rotary tillage structure according to claim 2, characterized in that: The structural body also includes a frame, and the frame is provided with an installation cavity in the direction facing the ground, and the installation cavity is used to install the rotary tiller shaft. The first connecting part and the second connecting part are arranged on the surface of the frame.

5. The rotary tillage structure according to claim 4, characterized in that: The frame is provided with a baffle, which is arranged on the cavity wall of the installation cavity and extends toward the ground; And / or, the baffle is arranged along the length direction of the frame.

6. The rotary tillage structure according to claim 1, characterized in that: The rotary drive assembly includes a cycloidal motor, a coupling and a reduction gearbox. The cycloidal motor and the reduction gearbox are connected via the coupling. The cycloidal motor and the coupling are arranged on the surface of the structural body facing away from the ground and are arranged along the length direction. The reduction gearbox is arranged on one side of the structural body, and the rotating shaft of the reduction gearbox is drivingly connected to the rotary tiller shaft.

7. The rotary tillage structure according to claim 6, characterized in that: A protective cover is provided on the peripheral side cover of the cycloid motor.

8. The rotary tillage structure according to claim 6, characterized in that: The end of the structural body is provided with a first side plate and a second side plate, the first side plate is used to connect the reduction box, and the second side plate is provided with a rotating connection seat, and the rotating connection seat is used to install the rotating connection seat and limit the position of the rotary tiller shaft.

9. The rotary tillage structure according to claim 1, characterized in that: A mounting seat is arranged on the circumferential side of the rotary tillage shaft, and the mounting seat is used for mounting the rotary tillage blade.

10. A rotary tiller, characterized in that: It comprises the rotary tillage structure and a rotary tiller body as described in any one of claims 1 to 9, wherein the first connecting rod, the second connecting rod and the other end of the driving member are movably connected to the rotary tiller body.

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