Rotary tillage mechanism for rotary cultivator

By using the staggered design of the main rotary tiller blade assembly and the auxiliary rotary tiller blade assembly, and the automatic vibration of the mud-blocking mechanism, the problem of soil adhesion to the rotary tiller blades is solved, achieving efficient tillage and extending blade life.

CN223540899UActive Publication Date: 2025-11-14WUHAN SENZHI XUANDA TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423193137.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-11-14
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing rotary tillers have a lot of soil adhering to their blades, which reduces their sharpness, weakens their tilling effect, increases operating load, and shortens their blade life.

Method used

A rotary tillage mechanism was designed, comprising a main rotary tillage blade assembly, a secondary rotary tillage blade assembly, and a mud-blocking mechanism. Through the staggered design of the main and secondary rotary tillage blade assemblies and the automatic vibration of the mud-blocking plate, the rotary tillage blades are cleaned, preventing soil adhesion.

Benefits of technology

It improves the rotary tillage effect, reduces the operating load of the rotary tiller, extends the service life of the blades, and prevents the soil from drying and hardening, which would affect the normal use of the mudguards.

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Abstract

The utility model relates to the technical field of rotary cultivators, and discloses a rotary tillage mechanism for a rotary cultivator, which comprises a frame assembly, a transmission module, a suspension bracket and a main rotary tillage cutter group, the transmission module is assembled on the back of the frame assembly, the suspension bracket is assembled on the top of the frame assembly, the main rotary tillage cutter group is assembled on the inner side of the frame assembly, and the main rotary tillage cutter group is assembled on the back of the frame assembly. An auxiliary rotary blade set is assembled on the back face of the inner side of the frame assembly, and the auxiliary rotary blade set is connected with the main rotary blade set through a gear. According to the rotary tillage mechanism for the rotary cultivator, the problems that the rotary tillage effect is reduced, the operation load of the rotary cultivator is increased, an engine is more difficult to work, blade abrasion is accelerated and the service life of blades is shortened due to the fact that soil adheres to the outer portions of the main rotary tillage cutter set and the auxiliary rotary tillage cutter set are avoided, and meanwhile the mud blocking mechanism can automatically shake in the using process; and the situation that normal use of the mudguard is affected due to the fact that soil adheres, dries and solidifies outside the mudguard is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of rotary tiller technology, specifically to a rotary tiller mechanism. Background Technology

[0002] Rotary tillers come in various types, which can be categorized by their mode of locomotion into tracked, self-propelled, push-type, wheeled, and walk-behind types; and by their size into medium and large types. In addition, there are different types of rotary tillers, such as diesel rotary tillers, gasoline rotary tillers, and electric rotary tillers, to suit different operational needs and scenarios.

[0003] In existing rotary tillers, a large amount of soil adheres to the outside of the tiller blades during use, reducing their sharpness and decreasing the tilling effect. This also increases the operating load of the rotary tiller, making it more difficult for the engine to work, and accelerates blade wear, shortening the blade's lifespan. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] In view of the shortcomings of the prior art, this utility model provides a rotary tillage mechanism for a rotary tiller to solve the technical problems that the outside of the rotary tillage blades will be covered with a large amount of soil, which will reduce their sharpness and lead to a decrease in the rotary tillage effect. At the same time, it will increase the operating load of the rotary tiller, making it more difficult for the engine to work, and accelerate the wear of the blades, thus shortening the service life of the blades.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a rotary tillage mechanism for a rotary tiller, comprising: a frame assembly, a transmission module, a suspension frame, and a main rotary tillage blade assembly. The transmission module is mounted on the back of the frame assembly, the suspension frame is mounted on the top of the frame assembly, the main rotary tillage blade assembly is mounted on the inner side of the frame assembly, and a secondary rotary tillage blade assembly is mounted on the inner back of the frame assembly. The secondary rotary tillage blade assembly and the main rotary tillage blade assembly are connected by gears. A mud-blocking mechanism is mounted inside the frame assembly.

[0008] The mud-blocking mechanism includes a mud-blocking plate, on the front of which T-shaped grooves are evenly distributed. Both sides of the top of the mud-blocking plate are equipped with C-shaped arms. The bottom of the C-shaped arms is connected to a toothed frame. The toothed frame is internally connected to a half gear, and the half gear is sleeved on the outside of the horizontal shaft of the main rotary tiller assembly.

[0009] Preferably, the frame assembly has protective shells connected to both sides of its interior. The protective shells are slidably connected to the C-shaped arm. The protective shells can protect the half gear and the gear frame, preventing dirt from affecting the transmission. The half gear includes a hollow shell with glass plates fitted on both sides. The hollow shell is connected to the frame assembly.

[0010] Preferably, the protective shell has slotted blocks connected to both sides of its interior, and a slider is slidably connected inside the slotted block. The slider is connected to the toothed frame, and the slotted block and the slider cooperate to guide the toothed frame to make it move in a straight line.

[0011] Preferably, the toothed frame is equipped with teeth on both sides of its interior, and the half gear is evenly distributed with teeth on its exterior. The teeth between the toothed frame and the half gear mesh with each other, and the half gear can drive the toothed frame to perform a reciprocating linear motion by rotating.

[0012] Preferably, the auxiliary rotary tillage blades and the main rotary tillage blades are evenly distributed on their outer surfaces, and the rotary tillage blades on the outer surfaces of the auxiliary rotary tillage blades and the main rotary tillage blades are staggered, so that the rotary tillage blades can perform tillage operations on the land.

[0013] Preferably, brackets are connected to both outer sides of the frame assembly, and rollers are connected to the outer side of the brackets via bearing seats. The brackets and rollers can support the frame assembly and improve the stability of the frame assembly when it is not in use.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, this utility model provides a rotary tillage mechanism for a rotary tiller, which has the following characteristics:

[0016] Beneficial effects:

[0017] This rotary tiller uses a rotary tillage mechanism that, through the cooperation of the main rotary tillage blade assembly and the auxiliary rotary tillage blade assembly, can perform efficient tillage operations on the land. The staggered design of the main and auxiliary rotary tillage blade assemblies allows the main blade assembly to clean the auxiliary blade assembly, and the added mud-blocking mechanism further cleans the main rotary tillage blade assembly, preventing mud from adhering to the outside of both blades. This prevents reduced tillage efficiency, increased operating load on the rotary tiller, making engine operation more difficult, and accelerated blade wear, thus shortening blade lifespan. Additionally, the mud-blocking mechanism automatically vibrates during use to prevent mud from adhering, drying, and solidifying on the outside of the mudguards, thus affecting their normal operation. Attached Figure Description

[0018] Figure 1 This is a front view of the present utility model;

[0019] Figure 2 This is a schematic diagram of the external appearance of the main rotary tillage blade assembly of this utility model;

[0020] Figure 3 This is an external schematic diagram of the mud-blocking mechanism of this utility model;

[0021] Figure 4This is an enlarged schematic diagram of the half-gear of this utility model.

[0022] In the diagram: 1. Frame assembly; 11. Bracket; 12. Roller; 2. Transmission module; 3. Suspension frame; 4. Main rotary tiller blade assembly; 41. Secondary rotary tiller blade assembly; 5. Mud-blocking mechanism; 51. Mud-blocking plate; 52. T-slot; 53. C-shaped arm; 54. Tooth frame; 55. Half gear; 56. Protective shell; 57. Slotted block; 58. Slider. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] This utility model provides a technical solution, please refer to Figure 1 and Figure 2 A rotary tillage mechanism for a rotary tiller includes: a frame assembly 1, a transmission module 2, a suspension frame 3, and a main rotary tillage blade assembly 4. The transmission module 2 is mounted on the back of the frame assembly 1, the suspension frame 3 is mounted on the top of the frame assembly 1, the main rotary tillage blade assembly 4 is mounted on the inner side of the frame assembly 1, and a secondary rotary tillage blade assembly 41 is mounted on the back of the inner side of the frame assembly 1. The secondary rotary tillage blade assembly 41 is connected to the main rotary tillage blade assembly 4 via gears. A mud-blocking mechanism 5 is mounted inside the frame assembly 1.

[0025] The frame assembly 1, transmission module 2, suspension frame 3 and main rotary tillage blade assembly 4 are combined to form a rotary tillage mechanism commonly used in the prior art, which is used to till the land. Meanwhile, the suspension frame 3 includes a gearbox assembly, which drives the main rotary tillage blade assembly 4 to work through the transmission shaft assembly.

[0026] Please see Figure 3 and Figure 4 The mud-blocking mechanism 5 includes a mud-blocking plate 51. T-shaped grooves 52 are evenly distributed on the front side of the mud-blocking plate 51. C-shaped arms 53 are mounted on both sides of the top of the mud-blocking plate 51. A toothed frame 54 is connected to the bottom of the C-shaped arm 53. A half gear 55 is meshed inside the toothed frame 54, and the half gear 55 is sleeved on the outside of the horizontal shaft of the main rotary tiller assembly 4.

[0027] The frame assembly 1 has protective shells 56 connected to both sides of the interior. The protective shells 56 are slidably connected to the C-shaped arm 53. The protective shells 56 can protect the half gear 55 and the gear frame 54 to prevent dirt from affecting the transmission. The half gear 55 includes a hollow shell with glass plates installed on both sides. The hollow shell is connected to the frame assembly 1.

[0028] The mudguard 51 can clean the blades on the outside of the main rotary tiller 4. The T-slot 52 allows the blades to pass through, and the length of the T-slot 52 is greater than the length of the blade, so that the mudguard 51 will not collide with the blades when it moves up and down. The convex arm 53 can drive the mudguard 51 through the toothed frame 54, and the half gear 55 can drive the toothed frame 54 to move. Tracks can be opened on both sides of the inner side of the frame assembly 1. The tracks are slidably connected to the mudguard 51, thereby improving the stability of the mudguard 51 during operation.

[0029] The protective shell 56 has slotted blocks 57 connected to both sides inside. Slider 58 is slidably connected inside the slotted block 57. Slider 58 is connected to the toothed frame 54. The slotted block 57 and slider 58 cooperate to guide the toothed frame 54, so that it can move in a straight line.

[0030] The tooth frame 54 is equipped with teeth on both sides inside, and the toothed half gear 55 is evenly distributed with teeth on the outside. The teeth between the tooth frame 54 and the toothed half gear 55 mesh with each other. The toothed half gear 55 can drive the tooth frame 54 to make up-down reciprocating linear motion by rotating.

[0031] Rotary tillage blades are evenly distributed on the outside of the auxiliary rotary tillage blade assembly 41 and the main rotary tillage blade assembly 4, and the rotary tillage blades on the outside of the auxiliary rotary tillage blade assembly 41 and the main rotary tillage blade assembly 4 are intersected. The rotary tillage blades can perform tillage operations on the land. Supports 11 are connected to both sides of the frame assembly 1, and rollers 12 are connected to the outside of the support 11 through bearing seats. The support 11 and the rollers 12 can support the frame assembly 1 and improve the stability of the frame assembly 1 when it is not in use.

[0032] This design suspends the suspension frame 3 externally from the tractor. Starting the tractor moves the frame assembly 1, and starting the transmission module 2 rotates the main rotary tiller blade assembly 4 and the auxiliary rotary tiller blade assembly 41 to till the land. During tilling, soil adheres to the exterior of the main rotary tiller blade assembly 4 and the auxiliary rotary tiller blade assembly 41. The auxiliary rotary tiller blade assembly 41 uses staggered rotary tiller blades designed with the main rotary tiller blade assembly 4, which in turn are affected by the rotating main rotary tiller blade assembly 4. During cleaning, the rotary blades on the outside of the main rotary tiller assembly 4 interact with the T-groove 52 to clean it. At the same time, when the main rotary tiller assembly 4 rotates, it drives the half gear 55 to rotate, which in turn drives the toothed frame 54 to move up and down, and finally drives the chamfered arm 53 and the mudguard 51 to move up and down. The shaking shakes off the mud adhering to the outside of the mudguard 51, preventing the mud from drying and solidifying on the outside of the mudguard 51, thus affecting the normal use of the mudguard 51.

[0033] The main rotary tiller blade assembly 4 and the auxiliary rotary tiller blade assembly 41 work together to efficiently till the land. The staggered design of the main and auxiliary blade assemblies allows the main blade assembly 4 to clean the auxiliary blade assembly 41, while the added mud-blocking mechanism 5 cleans the main blade assembly 4, preventing soil from adhering to the exterior of both blades. This prevents reduced tillage efficiency, increased operating load on the rotary tiller, harder engine operation, accelerated blade wear, and shortened blade lifespan. Furthermore, the mud-blocking mechanism 5 automatically vibrates during use to prevent soil from adhering, drying, and solidifying on the exterior of the mudguard 51, thus ensuring its proper function.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rotary tillage mechanism for a rotary tiller, comprising: The frame assembly (1), transmission module (2), suspension frame (3) and main rotary tiller assembly (4) are characterized in that: the transmission module (2) is mounted on the back of the frame assembly (1), the suspension frame (3) is mounted on the top of the frame assembly (1), the main rotary tiller assembly (4) is mounted on the inner side of the frame assembly (1), the inner back of the frame assembly (1) is equipped with a secondary rotary tiller assembly (41), and the secondary rotary tiller assembly (41) and the main rotary tiller assembly (4) are connected by gears, and the frame assembly (1) is equipped with a mud-blocking mechanism (5). The mud-blocking mechanism (5) includes a mud-blocking plate (51). The front of the mud-blocking plate (51) is evenly provided with T-shaped grooves (52). The top two sides of the mud-blocking plate (51) are equipped with C-shaped arms (53). The bottom of the C-shaped arms (53) is connected to a toothed frame (54). The toothed frame (54) is internally connected to a half gear (55), and the half gear (55) is sleeved on the outside of the horizontal shaft of the main rotary tiller assembly (4).

2. The rotary tillage mechanism for a rotary tiller according to claim 1, characterized in that: The frame assembly (1) has protective shells (56) connected to both sides of its interior, and the protective shells (56) are slidably connected to the C-shaped arm (53).

3. The rotary tillage mechanism for a rotary tiller according to claim 2, characterized in that: The protective shell (56) has slotted blocks (57) connected to both sides inside. A slider (58) is slidably connected inside the slotted block (57), and the slider (58) is connected to the toothed frame (54).

4. The rotary tillage mechanism for a rotary tiller according to claim 1, characterized in that: The tooth frame (54) is equipped with teeth on both sides inside, and the toothed half gear (55) is evenly distributed with teeth on the outside, and the teeth between the tooth frame (54) and the toothed half gear (55) mesh.

5. The rotary tillage mechanism for a rotary tiller according to claim 1, characterized in that: Rotary tillage blades are evenly distributed on the outside of the auxiliary rotary tillage blade group (41) and the main rotary tillage blade group (4), and the rotary tillage blades on the outside of the auxiliary rotary tillage blade group (41) and the main rotary tillage blade group (4) are intersected.

6. The rotary tillage mechanism for a rotary tiller according to claim 1, characterized in that: The frame assembly (1) is connected to brackets (11) on both sides of its exterior, and the brackets (11) are connected to rollers (12) via bearing seats.