Flattening device of cultivator

By designing the traction frame and height adjustment components of the tillage machine leveling device, the problem of large stones being pressed into the soil is solved, and the normal growth of crops is achieved and the burden of manual cleaning is reduced.

CN223053395UActive Publication Date: 2025-07-04ZHONGNONG RECLAMATION GRASS IND CO LTD
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Patent Information

Application Number
CN202422281519.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-19
Publication Date
2025-07-04
Estimated Expiration
2034-09-19

AI Technical Summary

Technical Problem

During the leveling process of traditional tillage machines, large pieces of stones and other impurities are squeezed into the soil, affecting the growth of crop roots, and it is difficult for the existing technology to effectively deal with it.

Method used

A tillage machine leveling device including a traction frame, leveling assembly and height adjustment assembly is designed. The sliding sleeve is used to slide on the guide rod with a spring and a limiting pin shaft to avoid large pieces of stone, ensuring that it is exposed to the soil surface and facilitate manual cleaning.

Benefits of technology

Effectively avoid large pieces of stone being pressed into the soil, ensure the normal growth of crops, and reduce the burden of manual cleaning.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a leveling device of a tillage machine, which relates to the technical field of agricultural machinery, aims to solve the problem of processing sundries such as large stones during post-leveling of the tillage machine, and comprises a traction frame, a leveling component, a height adjusting component and a tooth rake, at least one height adjusting assembly is fixed to the top end of the leveling assembly, and a sliding sleeve of the height adjusting assembly is rotationally connected with the traction frame. A chain is connected between the leveling assembly and the traction frame; the leveling assembly comprises at least one tooth rake. The soil leveling device has the advantages that when sundries such as large stones which cannot be extruded and broken are encountered, the sliding sleeve is arranged on the guide rod in a sliding mode under the action of the spring and the limiting pin shaft, so that the leveling assembly floats upwards to avoid the large stones, the large stones cannot be pressed into soil and exposed out of the soil surface by the leveling assembly, the situation is convenient to observe manually, and the working efficiency is improved. The technical problem that stones are pressed into soil in the prior art is solved, and normal growth of crops is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a leveling device for a tillage machine. Background Art

[0002] A tillage machine uses a plow group composed of a plurality of concave discs fixed on a horizontal shaft as a working component, which is mainly used for loosening the soil after plowing and can also be used for tillage operations.

[0003] After the traditional soil is turned over by the disc plow of the disc tillage machine, the larger soil blocks need to be broken manually. At present, in order to save the labor intensity of farmers, a leveling machine is mostly used for leveling and crushing. However, after the leveling machine processes impurities such as large stones that are not easy to break, the large stones and other impurities are squeezed into the soil. If the large stones and other sundries are not cleaned up in time, it will affect the growth of the roots of the later crops, resulting in slow growth or even death of the crops. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a leveling device for a tillage machine to solve the problem of dealing with sundries such as large stones during the post-leveling of the tillage machine.

[0005] The utility model is implemented by the following technical solutions: A leveling device for a tillage machine, which includes a traction frame, a leveling component, a height adjustment component, and a tooth harrow.

[0006] At least one of the height adjustment components is fixed to the top end of the leveling component, and the sliding sleeve of the height adjustment component is rotatably connected to the traction frame.

[0007] A chain is connected between the leveling component and the traction frame.

[0008] The leveling component includes at least one of the tooth harrows.

[0009] Further, one end of the chain is fixedly connected to the leveling component, and the other end of the chain is connected to a hook fixed on the traction frame.

[0010] Further, the height adjustment component includes a support frame, a guide rod, a sliding sleeve, a limit pin shaft, and a spring. The support frame is fixedly connected to the leveling component. The guide rod is fixed to the top end of the support frame. The sliding sleeve is slidably arranged on the guide rod. Installation holes are uniformly opened along the length direction of the guide rod. The limit pin shaft is inserted into one of the installation holes, and the limit pin shaft is movably abutted against the top end of the sliding sleeve. The spring is sleeved on the guide rod between the support frame and the sliding sleeve.

[0011] Further, the leveling assembly includes two parallel rakes. The rake head of the rake near the towing frame is an arc-shaped rake head, and the rake head of the rake far from the towing frame is a horizontal rake head.

[0012] Advantages of the present utility model: When encountering large pieces of debris such as large stones that cannot be crushed by extrusion, under the action of the spring and the limit pin shaft, the sliding sleeve is slidably arranged on the guide rod, so that the leveling assembly floats up to avoid large stones. The large stones will not be pressed into the soil by the leveling assembly and are exposed on the soil surface, facilitating manual observation of the situation and picking out the large stones, solving the technical problem in the prior art that stones are pressed into the soil and ensuring the normal growth of crops.

[0013] The device is fixed to the rear of the tillage machine through the towing frame, levels the loose soil processed by the disc plow of the tillage machine, and adjusts the position of the limit pin shaft on the guide rod according to the condition of the soil blocks after plowing by the disc plow of the tillage machine to limit the sliding sleeve and adjust the extrusion force of the leveling assembly on the land. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0015] Figure 1 It is the top view of the utility model;

[0016] Figure 2 It is the side view of the utility model;

[0017] In the figure: leveling assembly 1, height adjustment assembly 2, support frame 2.1, guide rod 2.2, sliding sleeve 2.3, limit pin shaft 2.4, spring 2.5, mounting hole 2.6, towing frame 3, chain 4, rake 5, arc-shaped rake head 5.1, horizontal rake head 5.2, hook 6. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than 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 efforts belong to the scope of protection of the present utility model.

[0019] Such as Figure 1-2As shown in the figure, the leveling device of the tillage machine includes a traction frame 3, a leveling assembly 1, a height adjustment assembly 2, and a tooth harrow 5;

[0020] At least one height adjustment assembly 2 is fixed to the top of the leveling assembly 1. The sliding sleeve 2.3 of the height adjustment assembly 2 is rotatably connected to the traction frame 3. According to the situation of large soil clods after plowing by the disk plow of the tillage machine, the height of the leveling assembly 1 is adjusted by using the height adjustment assembly 2 to adjust the extrusion pressure on the large soil clods on the ground and break up the large soil clods.

[0021] A chain 4 is connected between the leveling assembly 1 and the traction frame 3 to limit the height adjustment assembly 2 by using the chain 4.

[0022] The leveling assembly 1 includes at least one tooth harrow 5, and the large soil clods are extruded and broken by the tooth harrow 5 to loosen the soil clods.

[0023] One end of the chain 4 is fixedly connected to the leveling assembly 1, and the other end of the chain 4 is connected to a hook 6 fixed on the traction frame 3. The limiting length of the chain 4 is adjusted according to the height of the height adjustment assembly 2.

[0024] The height adjustment assembly 2 includes a support frame 2.1, a guide rod 2.2, a sliding sleeve 2.3, a limit pin 2.4, and a spring 2.5. The support frame 2.1 is fixedly connected to the leveling assembly 1. A guide rod 2.2 is fixed to the top of the support frame 2.1. A sliding sleeve 2.3 is slidably arranged on the guide rod 2.2. Installation holes 2.6 are uniformly formed in the guide rod 2.2 along its length direction. A limit pin 2.4 is inserted into one of the installation holes 2.6, and the limit pin 2.4 is movably abutted against the top end of the sliding sleeve 2.3. A spring 2.5 is sleeved on the guide rod 2.2 between the support frame 2.1 and the sliding sleeve 2.3.

[0025] When there are large stones and other sundries that cannot be extruded and broken, under the action of the spring 2.5 and the limit pin 2.4, the sliding sleeve 2.3 is slidably arranged on the guide rod 2.2, so that the leveling assembly 1 floats up to avoid large stones and other sundries, which is convenient for manual observation of the situation and picking out large stones and other sundries.

[0026] The leveling assembly 1 includes two tooth harrows 5 arranged in parallel. The harrow head of the tooth harrow 5 on the side close to the traction frame 3 is an arc-shaped harrow head 5.1, and the harrow head of the tooth harrow 5 on the side far from the traction frame 3 is a horizontal harrow head 5.2. At the same time, the arc-shaped harrow head 5.2 and the horizontal harrow head 5.3 are arranged at intervals. Under the action of the arc-shaped harrow head 5.2 and the horizontal harrow head 5.3, the arc-shaped harrow head 5.2 breaks up the large soil clods and levels the land at the same time, and then the horizontal harrow head 5.3 breaks the small soil clods again to further level the land.

[0027] The specific operation process of this embodiment:

[0028] The device is fixed to the rear of the tillage machine through the traction frame 3, levels the loose soil processed by the disk plow of the tillage machine, adjusts the position of the limit pin shaft 2.4 on the guide rod 2.2 according to the situation of the soil clods after the disk plow of the tillage machine turns the soil, limits the sliding sleeve 2.3, and adjusts the extrusion force of the leveling assembly 1 on the land;

[0029] While using the arc-shaped harrow head 5.2 to break up large soil clods, the land is leveled, and then the small soil clods are further broken by the horizontal harrow head 5.3 to further level the land;

[0030] When encountering large stones and other sundries that cannot be extruded and broken, under the action of the spring 2.5 and the limit pin shaft 2.4, the sliding sleeve 2.3 is slidably arranged on the guide rod 2.2, so that the leveling assembly 1 floats up to avoid large stones and other sundries. The large stones and other sundries will not be pressed into the soil by the leveling assembly 1 and are exposed on the soil surface, which is convenient for manual observation of the situation and picking out the large stones, solving the technical problem that large stones and other sundries are pressed into the soil in the prior art and ensuring the normal growth of crops.

[0031] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. Cultivator leveling device, characterized in that, It includes a traction frame, a leveling component, a height adjustment component, and a tooth harrow; At least one of the height adjustment components is fixed to the top of the leveling component, and the sliding sleeve of the height adjustment component is rotatably connected to the traction frame; A chain is connected between the leveling component and the traction frame; The leveling component includes at least one of the tooth harrows.

2. The leveling device for a tillage machine according to claim 1, characterized in that, One end of the chain is fixedly connected to the leveling component, and the other end of the chain is connected to a hook fixed on the traction frame.

3. The leveling device for a tillage machine according to claim 2, characterized in that, The height adjustment component includes a support frame, a guide rod, a sliding sleeve, a limit pin shaft, and a spring. The support frame is fixedly connected to the leveling component. The guide rod is fixed to the top of the support frame. The sliding sleeve is slidably arranged on the guide rod. Installation holes are evenly formed in the guide rod along its length direction. The limit pin shaft is inserted into one of the installation holes and is movably abutted against the top end of the sliding sleeve. The spring is sleeved on the guide rod between the support frame and the sliding sleeve.

4. The land leveling device of the tillage machine according to claim 3, characterized in that, The leveling component includes two tooth harrows arranged in parallel. The harrow head of the tooth harrow on the side close to the traction frame is an arc-shaped harrow head, and the harrow head of the tooth harrow on the side far from the traction frame is a horizontal harrow head.