Self-adaptive automatic lifting rotary tillage mechanism of rotary cultivator

The adaptive automatic lifting rotary tillage mechanism uses soil hardness sensors and forward and reverse motors to automatically adjust the tillage height and adjust the blade arrangement, solving the problem that the tillage height of existing rotary tillers needs to be manually adjusted, thus improving the practicality and adaptability of the rotary tiller.

CN224022267UActive Publication Date: 2026-03-24LIANYUNGANG SULIAN MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-27
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing rotary tillers require manual adjustment of the tillage height when crushing straw and stubble and breaking up soil in the field, resulting in low practicality.

Method used

It adopts an adaptive automatic lifting rotary tillage mechanism, which automatically adjusts the tillage height through a soil hardness sensor and forward and reverse motors, and can adjust the blade arrangement according to soil requirements. Combined with a three-point suspension system, it achieves adaptive rotary tillage.

Benefits of technology

It enables adaptive adjustment of the rotary tiller's tillage height and blade arrangement, improving the rotary tiller's practicality and adaptability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a rotary cultivator's self-adaptation automatic lifting rotary tillage mechanism relates to rotary tillage equipment technical field, including: the frame, the both sides of frame bottom are equipped with cutter shaft mounting hole, both sides of frame bottom are equipped with a plurality of mounting hole no. The top of the rack is fixedly connected with a gearbox equipment body. According to the utility model, the control terminal starts the positive and negative motor, the soil hardness sensor moves downwards, the control terminal starts the three-point suspension system, so that the soil hardness sensor is in contact with the soil, and the control terminal adjusts the rotary tillage height according to the data of the soil hardness sensor, so that the rotary tillage mechanism can adaptively adjust the height of the rotary tillage mechanism; according to the rotary blade assembly, the practicability is improved, each fixing disc is provided with the multiple installation grooves, the blades can be installed in the appropriate installation grooves according to the requirement of soil rotary tillage, the arrangement mode of the blades can be adjusted accordingly, and due to the design, the arrangement mode of the blades of the rotary blade assembly can be adjusted according to the requirement.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rotary tillage equipment technical field especially relates to a rotary tiller's self -adaptation automatic lifting's rotary tillage mechanism. BACKGROUND

[0002] Straw returning to field is a method of directly or after piling up rotting, applying the straw (wheat straw, corn straw and rice straw etc.) which is not suitable for directly as feed into the soil. The process of agricultural production is also a process of energy conversion. Crops consume energy constantly in the growth process, and also need to constantly replenish energy, constantly adjust the content of water, fertilizer, gas and heat in the soil. Straw contains a large amount of fresh organic material, which can be converted into organic matter and available nutrients after returning to the field and undergoing a period of decomposition. It can improve the physical and chemical properties of the soil and also supply certain potassium and other nutrients. Straw returning to field can promote agricultural water saving, cost saving, yield and efficiency increase, and should be fully valued in environmental protection and sustainable agricultural development. The straw returning to field equipment on the market mainly uses rotary tillers to crush straw, root stubble and soil, and mixes the crushed straw with the soil layer in this way.

[0003] However, in the prior art, when using the rotary tiller to crush the straw and root stubble in the field and break the soil, it is found that the rotary tillage height of some rotary tillers needs to be manually adjusted, resulting in low practicability. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a rotary tiller's self -adaptation automatic lifting's rotary tillage mechanism, including: frame, the both sides of the bottom of frame are equipped with cutter shaft mounting hole, the both sides of the bottom of frame are half circle week equidistance and are equipped with a plurality of installation hole one, the top of frame is fixedly connected with gear box equipment body, the both sides of the top of frame and the top of gear box equipment body are fixedly connected with triangular connecting frame, the inside of two cutter shaft mounting hole is provided with rotary tillage knife assembly, the side of frame is provided with induction assembly.

[0006] Further, the rotary tillage knife assembly comprises a cutter shaft, a shaft coupling is sleeved and mounted on the middle part of the surface of the cutter shaft, a plurality of fixed discs are fixedly sleeved on the surface of the cutter shaft, and a plurality of installation grooves are formed on the circumferential surface of each fixed disc.

[0007] Further, two sides of the inner cavity of the plurality of installation grooves are provided with installation holes two, the inside of the plurality of installation grooves is movably embedded with blades, the opposite two of the plurality of installation holes two are a group, the inside of the plurality of installation holes two is embedded with bolts and nuts, and the surface of the plurality of bolts and nuts is movably embedded in the inside of one end of the plurality of blades.

[0008] Further, the induction assembly comprises an installation box, an active cavity is formed in the inside of the installation box, a bearing hole one is formed in one side of the top of the inner cavity of the active cavity, a bearing hole two is formed in one side of the bottom of the inner cavity of the active cavity, an extension slot is formed in the other side of the bottom of the inner cavity of the active cavity, a threading slot is formed in the other side of the top of the inner cavity of the active cavity, and one side of the installation box is fixedly connected to one side of the rack.

[0009] Further, the inside of the bearing hole one and the bearing hole two is movably embedded with a threaded rod through a bearing, the top end of the threaded rod is connected with a reversible motor, the output end of the reversible motor is fixedly connected to the center of the top end of the threaded rod, the surface of the threaded rod is threadedly sleeved with a moving plate, the bottom of one end of the moving plate is fixedly connected with a soil hardness sensor, and the bottom of the installation box is circumferentially and equidistantly connected with a plurality of silica gel dustproof plates through screws.

[0010] Further, the two ends of the cutter shaft are installed in the inside of the plurality of installation holes one through bolts and nuts, the surface of the two ends of the cutter shaft is located in the inside of the two cutter shaft installation holes, and the top end of the shaft coupling is connected with the bottom of the gear box equipment body.

[0011] Further, one side of the surface of the reversible motor is fixedly connected to one side of the surface of the rack.

[0012] Compared with the prior art, the advantages and positive effects of the utility model lie in that:

[0013] 1、 the utility model discloses a control terminal controls the starting of the reversible motor, the soil hardness sensor moves downwards along with the moving plate, the control terminal starts the three-point suspension system, and the soil hardness sensor contacts the soil, and the control terminal adjusts the soil rotary tillage height according to the data measured by the soil hardness sensor, so that the rotary tillage mechanism can be self-adaptively adjusted in height, and the practicability is increased.

[0014] 2、 the utility model discloses that a plurality of installation grooves are formed in each fixed disc, the blades can be installed in the inside of suitable installation grooves according to the demand of soil rotary tillage, and the arrangement mode of the blades can be adjusted in this way, so that the rotary tillage blade assembly can be adjusted in the arrangement mode of the blades according to the demand, and the practicability is increased. DRAWINGS

[0015] Figure 1 The utility model provides a kind of overview structure schematic diagram of the self-adaptive automatic lifting rotary tiller mechanism of rotary tiller provided by the utility model;

[0016] Figure 2 The rack assembly of the self-adaptive automatic lifting rotary tiller mechanism of rotary tiller provided by the utility model;

[0017] Figure 3 The rotary tiller blade assembly schematic diagram of the self-adaptive automatic lifting rotary tiller mechanism of rotary tiller provided by the utility model;

[0018] Figure 4 The rotary tiller blade assembly partial schematic diagram of the self-adaptive automatic lifting rotary tiller mechanism of rotary tiller provided by the utility model;

[0019] Figure 5 The sensing assembly sectional view of the self-adaptive automatic lifting rotary tiller mechanism of rotary tiller provided by the utility model;

[0020] Figure 6 The sensing assembly overhead sectional view of the self-adaptive automatic lifting rotary tiller mechanism of rotary tiller provided by the utility model.

[0021] Legend:

[0022] 1, rack;101, cutter shaft mounting hole;102, mounting hole one;103, gear box equipment ontology;104, triangular connecting frame;2, rotary tiller blade assembly;201, cutter shaft;202, coupling;203, fixed disc;204, installation groove;205, mounting hole two;206, blade;207, bolt nut;3, sensing assembly;301, installation box;302, movable cavity;303, bearing hole one;304, bearing hole two;305, extension groove;306, threading groove;307, threaded rod;308, positive and negative motor;309, moving plate;310, soil hardness sensor;311, silica gel dust baffle. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be described clearly and completely below with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Please refer to Figures 1-6The utility model provides a technical scheme: a self -adaptation automatic lifting's rotary cultivator mechanism of rotary cultivator, include: frame 1, the both sides of the bottom of frame 1 are all seted up cutter shaft mounting hole 101, the both sides of the bottom of frame 1 are all seted up and are penetrated with a plurality of mounting hole one 102 in half circle circumference equidistance, the top of frame 1 is fixedly connected with gear box equipment body 103, the both sides of the top of frame 1 and the top of gear box equipment body 103 are fixedly connected with triangular connecting frame 104, the inside of two cutter shaft mounting hole 101 is provided with rotary cultivator knife assembly 2, one side of frame 1 is provided with induction component 3.

[0025] Specific: through control terminal control positive and negative motor 308 starts, soil hardness sensor 310 follows mobile plate 309 and moves downward, control terminal starts three point suspension system, makes soil hardness sensor 310 contact soil, and control terminal adjusts soil rotary cultivator height according to the data measured by soil hardness sensor 310, this design makes this rotary cultivator mechanism can self -adaptation adjust the height of rotary cultivator mechanism, and practicality increases, every fixed disc 203 is seted up with a plurality of installation slot 204, can according to the demand of soil rotary cultivator, install blade 206 in suitable installation slot 204 inside, and this can adjust the arrangement mode of blade 206, and this design makes that rotary cultivator knife assembly 2 can adjust the arrangement mode of blade 206 according to demand, and practicality increases.

[0026] In one embodiment, the rotary cultivator knife assembly 2 includes a cutter shaft 201, a shaft coupling 202 is installed on the surface of the cutter shaft 201, and a plurality of fixed discs 203 are fixedly sleeved on the surface of the cutter shaft 201. The circumferential surface of the plurality of fixed discs 203 is provided with a plurality of installation slots 204.

[0027] Specifically, as shown in Figures 3-4 The gear box equipment body 103 and the shaft coupling 202 are common structures of existing rotary cultivators. The gear box equipment body 103 is used in combination with the shaft coupling 202 to drive the cutter shaft 201 to rotate. The specific structure is not described here.

[0028] In one embodiment, the two sides of the inner cavity of the plurality of installation slots 204 are provided with installation holes 205, the plurality of installation slots 204 are movably embedded with blades 206, the two installation holes 205 opposite to each other form a group, the inner cavities of the plurality of groups of installation holes 205 are embedded with bolts and nuts 207, and the surfaces of the plurality of bolts and nuts 207 are movably embedded in the inner cavities of one end of the plurality of blades 206.

[0029] Specifically, as shown in Figures 3-4 The circumferential surface of each fixed disc 203 is provided with a plurality of installation slots 204 at equal intervals. This design allows the rotary cultivator knife assembly 2 to adjust the arrangement mode of the blades 206 according to demand, thereby increasing the practicality.

[0030] In one embodiment, the sensing assembly 3 comprises a mounting box 301, the inside of the mounting box 301 is provided with a movable cavity 302, a bearing hole one 303 is provided on one side of the top of the movable cavity 302, a bearing hole two 304 is provided on one side of the bottom of the movable cavity 302, an extension slot 305 is provided on the other side of the bottom of the movable cavity 302, a threading slot 306 is provided on the other side of the top of the movable cavity 302, and one side of the mounting box 301 is fixedly connected to one side of the rack 1.

[0031] Specifically, as shown in the figure: Figure 5 The threading slot 306 provides threading space for the power supply wire and data transmission wire of the soil hardness sensor 310.

[0032] In one embodiment, the inside of the bearing hole one 303 and the bearing hole two 304 is embedded with a threaded rod 307 through a bearing, the top end of the threaded rod 307 is connected with a forward and reverse motor 308, the output end of the forward and reverse motor 308 is fixedly connected to the center of the top end of the threaded rod 307, the surface of the threaded rod 307 is threadedly sleeved with a moving plate 309, the bottom of one end of the moving plate 309 is fixedly connected with a soil hardness sensor 310, and the bottom of the mounting box 301 is circumferentially connected with a plurality of silica gel dustproof plates 311 through screws, the plurality of silica gel dustproof plates 311 and the extension slot 305 are concentrically arranged, and the surface of the moving plate 309 is movably and tightly connected to the inner cavity of the movable cavity 302.

[0033] Specifically, as shown in the figure: Figure 5 The surface of the moving plate 309 is tightly attached to the inner cavity of the movable cavity 302, the movement of the moving plate 309 is limited, and the moving plate 309 is prevented from rotating during upward and downward movement, thereby affecting the normal use of the rotary tillage mechanism; the plurality of silica gel dustproof plates 311 are opened when the soil hardness sensor 310 moves downward, the soil hardness sensor 310 extends from the bottom of the mounting box 301, the silica gel dustproof plates 311 have a certain elasticity, and when the soil hardness sensor 310 returns to the inside of the movable cavity 302, the silica gel dustproof plates 311 restore the initial state and block a large amount of external soil; the control terminal is provided with rotary tillage depths corresponding to different soil hardnesses, and the control terminal adjusts the rotary tillage depth of the rotary tiller through the three-point suspension system according to the data measured by the soil hardness sensor 310.

[0034] In one embodiment, the two ends of the cutter shaft 201 are installed in the plurality of mounting holes one 102 through bolts and nuts, the surfaces of the two ends of the cutter shaft 201 are located in the two cutter shaft mounting holes 101, and the top end of the shaft coupling 202 is connected with the bottom of the gear box device body 103.

[0035] Specifically, as shown in the figure: Figure 1 The top end of the shaft coupling 202 penetrates the top of the rack 1 and is connected with the bottom of the gear box device body 103.

[0036] In one embodiment, the surface of the positive and negative motor 308 is fixedly connected to one side of the surface of the rack 1.

[0037] Specifically, as shown in the figure: the positive and negative motor 308 is fixed on the surface of the rack 1, avoiding the shaking of the positive and negative motor 308 during operation, affecting the normal use of the rotary tillage mechanism. Figure 1

[0038] Working principle: install the rotary tillage mechanism on the triangular connecting frame 104 through the three-point suspension system on the tractor, then connect the transmission shaft on the tractor with the universal joint and the gear box device body 103 at one end, install the control terminal in the tractor cab, and the control terminal is electrically connected with the three-point suspension system, the positive and negative motor 308 and the soil hardness sensor 310 and is associated with control, the power supply equipment on the tractor is electrically connected with the control terminal, the positive and negative motor 308 and the soil hardness sensor 310 and provides power, and the soil hardness sensor 310 can transmit the detected soil hardness signal to the control terminal.

[0039] Start the positive and negative motor 308 through the control terminal, the output end of the positive and negative motor 308 drives the threaded rod 307 to rotate, since the moving plate 309 is threadedly connected with the threaded rod 307, the moving plate 309 moves downward under the driving of the threaded rod 307, and the soil hardness sensor 310 moves downward with the moving plate 309, then the control terminal starts the three-point suspension system, reduces the height of the rotary tillage mechanism, and makes the soil hardness sensor 310 contact the soil, and then the control terminal transmits the measured soil hardness to the control terminal, and then the control terminal reversely starts the positive and negative motor 308, so that the soil hardness sensor 310 returns to the inside of the movable cavity 302, and the control terminal adjusts the rotary tillage height of the soil according to the data measured by the soil hardness sensor 310 through the three-point suspension system. This design makes the rotary tillage mechanism can self-adaptively adjust the height of the rotary tillage mechanism, and the practicability is increased.

[0040] The circumferential surface of each fixed disc 203 is equally spaced to have a plurality of mounting grooves 204, the blade 206 can be inserted into the appropriate mounting groove 204 according to the demand of soil rotary tillage, then the bolt nut 207 is inserted into the inside of the corresponding mounting hole two 205 and one end of the blade 206, and the blade 206 is fixedly installed, so that the arrangement of the blade 206 can be adjusted, and the practicability is increased.

[0041] ​The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. An adaptive automatic lifting rotary tillage mechanism for a rotary tiller, characterized in that, include: The frame (1) has cutter shaft mounting holes (101) on both sides of its bottom. Multiple mounting holes (102) are equidistantly spaced in a semi-circular pattern on both sides of the bottom of the frame (1). A gearbox equipment body (103) is fixedly connected to the top of the frame (1). Triangular connecting brackets (104) are fixedly connected to both sides of the top of the frame (1) and the top of the gearbox equipment body (103). Rotary tillage blade assemblies (2) are installed inside the two cutter shaft mounting holes (101). A sensing component (3) is installed on one side of the frame (1).

2. The adaptive automatic lifting rotary tillage mechanism for a rotary tiller according to claim 1, characterized in that: The rotary tiller assembly (2) includes a cutter shaft (201), a coupling (202) is sleeved on the middle part of the surface of the cutter shaft (201), and multiple fixing discs (203) are fixedly sleeved on the surface of the cutter shaft (201) at equal intervals. Multiple mounting grooves (204) are opened at equal intervals on the circumferential surface of the multiple fixing discs (203).

3. The adaptive automatic lifting rotary tillage mechanism for a rotary tiller according to claim 2, characterized in that: Each of the multiple mounting slots (204) has a second mounting hole (205) through it on both sides. Each of the multiple mounting slots (204) has a blade (206) movably embedded inside it. Each of the multiple mounting holes (205) is a group of two opposite to each other. Each of the multiple groups of mounting holes (205) has a bolt and nut (207) embedded inside it. The surfaces of the multiple bolts and nuts (207) are movably embedded inside one end of each of the multiple blades (206).

4. The adaptive automatic lifting rotary tillage mechanism for a rotary tiller according to claim 1, characterized in that: The sensing component (3) includes a mounting box (301), the mounting box (301) has an openable cavity (302) inside, a bearing hole (303) is opened through one side of the top of the openable cavity (302), a bearing hole (304) is opened through one side of the bottom of the openable cavity (302), an extension groove (305) is opened through the other side of the bottom of the openable cavity (302), and a wire threading groove (306) is opened through the other side of the top of the openable cavity (302). One side of the mounting box (301) is fixedly connected to one side of the frame (1).

5. The adaptive automatic lifting rotary tillage mechanism for a rotary tiller according to claim 4, characterized in that: A threaded rod (307) is installed inside the bearing hole one (303) and bearing hole two (304) through bearings. A forward and reverse motor (308) is connected to the top of the threaded rod (307). The output end of the forward and reverse motor (308) is fixedly connected to the center of the top of the threaded rod (307). A movable plate (309) is threaded on the surface of the threaded rod (307). A soil hardness sensor (310) is fixedly connected to the bottom of one end of the movable plate (309). Multiple silicone dust baffles (311) are connected to the bottom of the mounting box (301) in a circumferentially equidistant manner by screws. The multiple silicone dust baffles (311) and the protrusion groove (305) are concentrically arranged. The surface of the movable plate (309) is movably fitted to the inner cavity of the movable cavity (302).

6. The adaptive automatic lifting rotary tillage mechanism for a rotary tiller according to claim 2, characterized in that: The two ends of the cutter shaft (201) are installed inside the multiple mounting holes (102) by bolts and nuts. The surfaces of the two ends of the cutter shaft (201) are located inside the two cutter shaft mounting holes (101). The top end of the coupling (202) is connected to the bottom of the gearbox equipment body (103).

7. The adaptive automatic lifting rotary tillage mechanism for a rotary tiller according to claim 5, characterized in that: One side of the surface of the forward and reverse motor (308) is fixedly connected to one side of the surface of the frame (1).