Elastic claw and elastic claw pressing structure

The design of elastic teeth and detachable fixed beams solves the problem of adhesion and easy damage of the pressing roller in sticky soil, achieves efficient and uniform soil compaction, reduces maintenance costs, and improves the operating efficiency of agricultural machinery and soil quality.

CN223437338UActive Publication Date: 2025-10-17ZHENGZHOU LONGFENG AGRI MASCH EQUIP MFG CO LTD
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Patent Information

Application Number
CN202422635930.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-10-17
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

Existing pressing rollers are prone to adhesion in sticky soil, resulting in uneven pressing, increasing operation costs and time, and are complex in structure, easily damaged, and difficult to maintain.

Method used

It adopts a detachable spring tooth and spring tooth fixing beam design. The spring teeth are elastic and adaptable to different soil types. It is equipped with a scraper to prevent clogging. The spring teeth can be replaced separately and the fixing beam can be detached and installed.

Benefits of technology

It improves the service life and working efficiency of the pressing roller, reduces maintenance costs, adapts to different terrains, and ensures soil pressing uniformity and crop growth environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an elastic tooth and an elastic tooth compacting structure, an elastic tooth body comprises a first arc grounding part, a second arc grounding part and a bending connecting part, one end of the first arc grounding part is a free end, and the fixed end of the first arc grounding part is connected with one end of the bending connecting part; the other end of the bending connecting part is connected with the fixed end of the second arc grounding part; the free end of the second arc-shaped grounding part is close to the fixed end of the first arc-shaped grounding part, and a gap is formed between the free end of the second arc-shaped grounding part and the fixed end of the first arc-shaped grounding part; the bent connecting part is located on the inner sides of the first arc-shaped grounding part and the second arc-shaped grounding part, and the bent connecting part is provided with an elastic claw mounting hole. The elastic tooth pressing structure comprises a pressing roller frame, an elastic tooth fixing beam and an elastic tooth structure. Each elastic tooth can be replaced independently, the elastic tooth fixing beam is detachable, the elastic teeth can adapt to complex terrains due to the elasticity, the pressing quality is improved, the working efficiency is improved, and the durability of the machine tool is enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of agricultural machinery, concretely relates to a spring tooth and spring tooth compacting structure. BACKGROUND

[0002] Land preparation and compaction are important links in farmland management, and their purposes mainly include the following aspects: during land preparation, through ploughing and soil loosening, etc., the soil is broken up, the soil porosity is increased, the soil physical structure is improved, organic matter and fertilizer are evenly mixed into the soil, and the soil fertility level is improved. Compaction helps the close combination of soil particles, forms a more stable soil structure, reduces water evaporation and soil erosion, and helps the nutrients in the soil to be better absorbed and utilized by plant roots, promoting the growth and development of crops. Through land preparation and compaction, the soil surface can be made more level, and the level land can reduce the resistance during root growth, improve the growth speed and development quality of roots.

[0003] China is vast in territory, and there are many types of soil, among which brick red soil, red soil, yellow brown soil, and brown soil have the characteristics of soil adhesion and viscous texture. When working in wet or heavy soil, the currently used compacting roller is prone to soil adhesion, and the adhered soil may block the roller gap of the compacting roller, resulting in uneven compaction, and even the need to stop for cleaning, increasing the operation cost and time.

[0004] Moreover, during the rolling process, due to improper design, material, or operation parameter setting of the roller, the compacted soil is not uniform in tightness, which will affect the root growth of crops and the distribution of soil moisture. Long-term operation in the field will cause the roller of the compacting roller to be worn and damaged, especially when encountering hard soil, stones, or crop residues, etc.

[0005] The complex structure of the compacting roller also makes maintenance and repair more difficult, and once a fault or damage occurs, it may require longer repair time and higher repair cost. UTILITY MODEL CONTENTS

[0006] In view of the deficiencies described in the prior art, the utility model provides a spring tooth and spring tooth compacting structure, which uses a new type of detachable spring tooth and spring tooth fixing beam to integrate a spring tooth compacting structure for land preparation tools, improving the performance and service life of the compacting roller.

[0007] The technical scheme adopted by the utility model is as follows:

[0008] A kind of elastic tooth, including elastic tooth body, the elastic tooth body includes first arc ground, second arc ground and bending connecting portion, first arc ground and second arc ground are on the same circular arc;The free end of first arc ground is one end, the fixed end of first arc ground is connected with the one end of bending connecting portion, the other end of bending connecting portion is connected with the fixed end of second arc ground;The free end of second arc ground is close to the fixed end of first arc ground, and there is gap between the free end of second arc ground and the fixed end of first arc ground;Bending connecting portion is located at the inside of first arc ground and second arc ground, and bending connecting portion is provided with elastic tooth mounting hole.Two concentric and on the same circular arc arc ground as the part of contact with soil when land leveling and compaction, it has elasticity itself, can be applied to different types of soil conditions, elastic tooth can constantly vibrate and bounce, utilize the elasticity of itself to finely and loosen the soil, and also can shake off sticky soil.

[0009] As a preferred scheme of the utility model, the central angle of the circular arc where the first arc ground and the second arc ground are located is 172°, and the radius of the circular arc is 245mm.

[0010] As a preferred scheme of the utility model, the centers of the first arc ground and the second arc ground coincide, and the arc lengths of the first arc ground and the second arc ground are the same.

[0011] As a preferred scheme of the utility model, the bending connecting portion is provided with a horizontal portion, and the elastic tooth mounting hole is arranged on the horizontal portion.The bending connecting portion includes a horizontal portion, a first bending connecting portion, a second bending connecting portion, the horizontal portion is located below the center and inside the first arc ground and the second arc ground;The elastic tooth mounting hole is arranged for fixing the elastic tooth to the land leveling tool;The first bending connecting portion and the second bending connecting portion can be arranged along the radial direction of the two ground portions;The bottom of the first bending connecting portion is connected with the fixed portion of the first arc ground, the top of the first bending connecting portion is connected with one end of the horizontal portion, the other end of the horizontal portion is connected with the top of the second bending connecting portion, and the bottom of the second bending connecting portion is connected with the fixed end of the second arc ground.

[0012] As a preferred scheme of the utility model, the first arc ground, the second arc ground and the bending connecting portion are integrally formed.Using spring steel, it can be disassembled as a whole, and replaced separately.

[0013] The utility model discloses still provide a kind of spring tooth compacting structure, including compacting roller frame, spring tooth fixed beam and spring tooth structure;The end of spring tooth fixed beam is rotatably mounted on compacting roller frame;Several spring tooth structures are fixedly installed on spring tooth fixed beam, each the spring tooth structure includes several spring teeth as described above, each spring tooth is fixed on spring tooth fixed beam by respective spring tooth mounting hole, and spring tooth structure exposes outside compacting roller frame.After installing spring tooth structure, it presents circular around spring tooth fixed beam as a whole, and expose outside compacting roller frame without affecting the operation to soil, and spring tooth fixed beam is detachably installed, and spring tooth structure is also detachably installed, can be individually disassembled and quickly replaced, can reduce downtime maintenance time, improve operation efficiency.

[0014] As a preferred scheme of the utility model, the spring tooth structure includes two spring teeth, and the two spring teeth are arranged around the spring tooth fixed beam.

[0015] As a preferred scheme of the utility model, a scraper is mounted on the lower part. The scraper can scrape off the soil that cannot be shaken off by the spring tooth, so as to avoid the blockage of the gap of the spring tooth structure.

[0016] As a preferred scheme of the utility model, a spring tooth structure is arranged between adjacent scrapers, that is, there are scrapers on both sides of each spring tooth structure, so as to ensure the scraping effect.

[0017] The spring tooth with the detachable two-arc grounding part is assembled to the spring tooth fixed beam, each spring tooth can be individually and quickly replaced, and the spring tooth fixed beam is also detachably installed on the compacting roller frame. The spring tooth itself has elasticity, which can adapt to complex terrain, improve compacting quality, improve operation efficiency, and enhance the durability of the machine and the like. These advantages make the spring tooth compacting structure widely used and recognized in farmland preparation operation. By improving the operation efficiency, the input of manpower, material resources and time can be reduced, so as to reduce the agricultural production cost, which has a positive effect on improving the income of farmers and promoting the sustainable development of agriculture. The design and application of the spring tooth compacting structure provide a new idea and method for soil compacting operation, and promote the continuous progress of agricultural machinery technology. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0019] Figure 1 It is a structural schematic view of the spring tooth of the utility model.

[0020] Figure 2The utility model discloses a top view of the elastic tooth.

[0021] Figure 3 The utility model discloses a front view of the elastic tooth pressing structure.

[0022] Figure 4 The utility model discloses a side view of the elastic tooth pressing structure. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model. Apparently, 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 the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Embodiment 1:

[0025] An elastic tooth, as shown in Figure 1 and 2 , comprises an elastic tooth body 1, the elastic tooth body 1 comprises a first arc ground connection part 11, a second arc ground connection part 12 and a bending connecting part 13, the first arc ground connection part 11, the second arc ground connection part 12 and the bending connecting part 13 are preferably integrally formed and are made of spring steel.

[0026] The first arc ground connection part 11 and the second arc ground connection part 12 are on the same circular arc and the centers of the circular arcs coincide, and the arc lengths of the first arc ground connection part 11 and the second arc ground connection part 12 are the same; the central angle of the circular arc where the first arc ground connection part 11 and the second arc ground connection part 12 are located is 172 degrees, and the radius of the circular arc is 245 mm.

[0027] The bending connecting part 13 comprises a horizontal part 131, a first bending connecting part 133 and a second bending connecting part 134, the horizontal part 131 is located below the center and inside the first arc ground connection part 11 and the second arc ground connection part 12; the first bending connecting part 133 and the second bending connecting part 134 can be arranged along the radial direction of the two ground connection parts; one end of the first arc ground connection part 11 is a free end, the fixed end of the first arc ground connection part 11 is connected with the bottom of the first bending connecting part 133, the top of the first bending connecting part 133 is connected with one end of the horizontal part 131, the other end of the horizontal part 131 is connected with the top of the second bending connecting part 134, and the bottom of the second bending connecting part 134 is connected with the fixed end of the second arc ground connection part 12.

[0028] And the free end of the second arc-shaped grounding part 12 is close to the fixed end of the first arc-shaped grounding part 11, and there is a gap between the free end of the second arc-shaped grounding part 12 and the fixed end of the first arc-shaped grounding part 11; in order to install the elastic tooth on the land leveling tool, the horizontal part 131 is provided with two elastic tooth mounting holes 132, the diameter of the elastic tooth mounting hole is 13mm, and the distance between the two elastic tooth mounting holes 132 is 50mm.

[0029] The two arc-shaped grounding parts concentric and on the same circular arc are the parts in contact with the soil during land leveling and compaction, and have elasticity by themselves, can be applied to different types of soil conditions, the elastic tooth can continuously vibrate and bounce, and the soil is finely crushed and loosened by using the elasticity of the elastic tooth, and the sticky soil can also be shaken off.

[0030] Embodiment 2:

[0031] In application, it is assembled into an elastic tooth compaction structure, as shown in Figure 3 and 4 , an elastic tooth compaction structure, comprising a compaction roller frame 2, an elastic tooth fixed beam 3 and an elastic tooth structure; the compaction roller frame 2 has a space for the elastic tooth structure to operate on the soil; the end of the elastic tooth fixed beam 3 is rotatably mounted on the compaction roller frame 2 by a bearing, and the end of the elastic tooth fixed beam and the rotating part of the bearing are fixed by a bolt.

[0032] A plurality of elastic tooth structures are installed on the elastic tooth fixed beam 3 at intervals, each of the elastic tooth structures comprises two elastic teeth of embodiment 1, each elastic tooth is fixed on the elastic tooth fixed beam through an elastic tooth mounting hole, and the elastic tooth structure is exposed outside the compaction roller frame, and the horizontal parts of the two elastic teeth are opposite in this embodiment, and a bolt nut is used to directly fix the two elastic teeth on the elastic tooth fixed beam. After the elastic tooth structure is installed, the whole presents a circular ring around the elastic tooth fixed beam, and is exposed outside the compaction roller frame without affecting the operation on the soil, and the elastic tooth fixed beam is detachably installed, and the elastic tooth structure is also detachably installed, which can be individually disassembled and quickly replaced, so that the downtime maintenance time is reduced and the operation efficiency is improved.

[0033] Although the elastic tooth itself can shake off the sticky soil, in order to ensure that the elastic tooth structure is not blocked by the soil, a plurality of scrapers are installed on the lower part of the compaction roller frame 2, the scrapers extend into the gap of the elastic tooth structure, and there are scrapers 4 on both sides of each elastic tooth structure to ensure the scraping effect.

[0034] During the land leveling process, the elastic tooth continuously vibrates and bounces with the forward movement of the tool, finely crushes and loosens the soil by using its own elasticity, and shakes off the soil adhering to the surface of the elastic tooth.

[0035] The elastic tine compacting structure can effectively compact soil and improve the compactness and bearing capacity of soil through its unique design, which has a positive effect on soil drainage, crop root growth, and soil stability.

[0036] The elastic tine compacting structure can be uniformly distributed on the machine, ensuring comprehensive and uniform compaction of soil during operation and avoiding uneven compaction in local areas.

[0037] The elastic tine compacting structure can adapt to different types of soil, including clay soil and sandy soil, and has a wide range of applications.

[0038] The elastic tine compacting structure can automatically adjust the height and angle of the elastic tines according to the changes in the terrain, ensuring stable contact and uniform compaction effect during compaction operations on different terrains. This terrain-following capability makes the machine more flexible and efficient when operating on complex terrains such as hills and mountains.

[0039] Through elastic deformation, the elastic tine compacting structure can ensure consistent contact pressure with the soil throughout the operation process, thereby avoiding uneven compaction in local areas. This uniform compaction helps improve the bearing capacity and stability of the soil, providing a better soil environment for crop growth. Meanwhile, the elastic tines are individually fixed on the elastic tine fixing beam by hexagonal bolts M12x120 and hexagonal nuts M12, so that when the elastic tines are broken or worn out, they can be quickly replaced by disassembling the bolts, which helps reduce downtime maintenance time and improve operation efficiency.

[0040] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A spring tooth, comprising a spring tooth body (1), characterized in that: The spring tooth body (1) comprises a first arc-shaped grounding portion (11), a second arc-shaped grounding portion (12) and a bent connecting portion (13), wherein the first arc-shaped grounding portion (11) and the second arc-shaped grounding portion (12) are located on the same arc; one end of the first arc-shaped grounding portion (11) is a free end, the fixed end of the first arc-shaped grounding portion (11) is connected to one end of the bent connecting portion (13), and the other end of the bent connecting portion (13) is connected to the fixed end of the second arc-shaped grounding portion (12); the free end of the second arc-shaped grounding portion (12) is close to the fixed end of the first arc-shaped grounding portion (11), and there is a gap between the free end of the second arc-shaped grounding portion (12) and the fixed end of the first arc-shaped grounding portion (11); the bent connecting portion (13) is located inside the first arc-shaped grounding portion (11) and the second arc-shaped grounding portion (12), and the bent connecting portion (13) is provided with a spring tooth mounting hole (132).

2. The spring tooth according to claim 1, characterized in that: The center angle of the arc where the first arc-shaped grounding portion (11) and the second arc-shaped grounding portion (12) are located is 172°.

3. The spring tooth according to claim 2, characterized in that: The centers of the first arc-shaped grounding portion (11) and the second arc-shaped grounding portion (12) coincide with each other, and the arc lengths of the first arc-shaped grounding portion (11) and the second arc-shaped grounding portion (12) are the same.

4. The spring tooth according to any one of claims 1 to 3, characterized in that: The bent connecting portion (13) is provided with a horizontal portion (131), and the spring tooth mounting hole (132) is provided on the horizontal portion (131).

5. The spring tooth according to claim 4, characterized in that: The first arc-shaped grounding portion (11), the second arc-shaped grounding portion (12) and the bent connecting portion (13) are integrally formed.

6. A spring-tine pressing structure, characterized in that: It comprises a pressing roller frame (2), a spring tooth fixing beam (3) and a spring tooth structure; the end of the spring tooth fixing beam (3) is rotatably mounted on the pressing roller frame (2); a plurality of spring tooth structures are fixedly mounted on the spring tooth fixing beam (3), each of the spring tooth structures comprises a plurality of spring teeth as claimed in claim 4, each spring tooth is fixed on the spring tooth fixing beam through its own spring tooth mounting hole, and the spring tooth structure is exposed outside the pressing roller frame.

7. The spring-tine pressing structure according to claim 6, characterized in that: The spring tooth structure comprises two spring teeth, and the two spring teeth are arranged around the spring tooth fixing beam (3).

8. The spring-tine pressing structure according to claim 6, characterized in that: A scraper (4) is installed at the lower part of the pressing roller frame (2).

9. The spring-tine pressing structure according to claim 8, characterized in that: A spring tooth structure is provided between adjacent scrapers (4).