Tooth tool with comprehensive function

By designing a saddle-shaped toothed tool that combines hard alloy and high-strength alloy steel, the problem of low efficiency in land clearing and vegetation management of forestry mowers has been solved, achieving efficient clearing and cost savings.

CN223979185UActive Publication Date: 2026-03-10SUZHOU WUYUANSU MASCH MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

Existing forestry mowers are inefficient and costly in tasks such as land clearing, vegetation management, invasive species control, and wildfire prevention. Traditional manual mowing or bulldozing methods are inefficient and can damage the soil.

Method used

Design a multifunctional toothed tool that combines cemented carbide and high-strength alloy steel. The toothed tool has an overall saddle-shaped structure with multiple cutting surfaces and a receiving part. The cemented carbide is embedded in the receiving part and can be used for various applications in forestry mowers.

Benefits of technology

It improves the operating efficiency of forestry mowers, extends equipment lifespan, reduces construction costs, and improves work quality. It is suitable for clearing large areas of grassland, pasture, and vegetation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a tooth tool with comprehensive function, which comprises a tooth body and hard alloy, the whole tooth body is in a saddle-shaped structure, the tooth body comprises a supporting part and a fixing part, and a semi-open accommodating part is arranged at the intersection of the upper part and the front part of the supporting part; the hard alloy is embedded in the containing part in a semi-surrounding mode. The hard alloy and the high-strength alloy steel tooth body are combined, the material characteristics of the hard alloy and the high-strength alloy steel tooth body can be fully utilized, and the hard alloy can cut off or cut hard tree roots and shrubs; the first front cutting face, the second front cutting face, the rear cutting face, the supporting part left side face and the supporting part right side face of the tooth body are working faces, the contact area is large, large-area grassland, meadow, vegetation and the like can be cleaned, the related working efficiency can be greatly improved, the service life of equipment is prolonged, the working quality is improved, and the construction cost is saved.
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Description

Technical Field

[0001] This utility model belongs to the technical field of mechanical operation tools for forestry and agricultural grassland engineering, and specifically relates to a toothed tool with comprehensive functions. Background Technology

[0002] A forestry mower is a heavy-duty machine that clears land by cutting, grinding, and removing vegetation. This process is often referred to as "forestry mowing" or "forestry mulching." It is commonly used to manage woody vegetation and gravel because it is a very efficient and fast method of clearing land. Traditional methods of hand-cutting or burning were once used to clear land, but these were very slow and time-consuming. Bulldozers were sometimes used for this process, but heavy bulldozers leave the soil bare and susceptible to erosion.

[0003] Therefore, this case proposes a dental instrument with comprehensive functions. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a multifunctional toothed tool that can be used in various applications in forestry mowers, such as land clearing, vegetation management, invasive species control, wildfire prevention, and earthquake debris removal.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] This utility model provides a toothed tool with comprehensive functions, including a toothed body and a cemented carbide. The toothed body is generally saddle-shaped and includes a support part and a fixing part. A semi-open receiving part is provided at the intersection of the upper and front of the support part. The cemented carbide is semi-enclosed and embedded in the receiving part.

[0007] Preferably, the support portion includes a first front cutting surface, a second front cutting surface and a rear cutting surface on the periphery, and a first support surface and a second support surface on the inner side. The first front cutting surface and the rear cutting surface are arranged adjacent to each other, and the receiving portion is disposed between the first front cutting surface and the rear cutting surface.

[0008] Preferably, the first front cutting surface and the second front cutting surface have an included angle β, and the angle β is in the range of 170° to 175°.

[0009] Preferably, the first front cutting surface and the rear cutting surface have an included angle γ, and the angle γ is in the range of 80° to 90°.

[0010] Preferably, a recessed step is provided behind the rear cut surface, the recessed step including a pressing surface and a pressing side surface, the pressing surface and the pressing side surface being perpendicular to each other.

[0011] Preferably, the fixing part is a cylindrical structure, the fixing part has an outer diameter φC, a minimum length L and a maximum length L1, the fixing part is provided with a fixing hole that passes through its center, and the fixing hole is provided with a central axis A.

[0012] Preferably, the receiving portion extends through the left side and right side of the support portion, the cross-section of the receiving portion is C-shaped, and the receiving portion has a width W, a maximum depth d1, and a minimum depth d2.

[0013] Preferably, the receiving part has a center line A1 in the width direction, and the center line A1 forms an angle α with the central axis A of the fixing hole, which is a cutting angle. The angle α is between 50° and 60°.

[0014] Preferably, the front part of the cemented carbide is bow-shaped, and the cemented carbide includes a main cutting edge and a secondary cutting edge, with the main cutting edge close to the rear cutting surface and the main cutting edge close to the first front cutting surface.

[0015] Compared with the prior art, this utility model has the following advantages:

[0016] The combination of cemented carbide and high-strength alloy steel teeth in this invention can fully utilize the material characteristics of both. The cemented carbide can cut or slice hard tree roots and shrubs. The first front cutting surface, the second front cutting surface, the rear cutting surface, the left side of the support part, and the right side of the support part of the teeth are working surfaces, with a large contact area, which can clear large areas of grassland, pasture, vegetation, etc., which can greatly improve the efficiency of related operations, extend the service life of equipment, improve the quality of work, and save construction costs. Attached Figure Description

[0017] Figure 1 This is a first perspective view of a dental tool with multiple functions according to the present invention;

[0018] Figure 2 This is a second perspective view of a dental tool with integrated functions according to the present invention;

[0019] Figure 3 This is a left-side side view of a dental tool with multiple functions according to this utility model;

[0020] Figure 4 This is a rear view of a dental tool with multiple functions according to the present invention;

[0021] Figure 5 for Figure 4 Full sectional view of AA;

[0022] Figure 6 This is a top view of a multifunctional dental tool according to the present invention;

[0023] Figure 7 This is a schematic diagram of a multifunctional dental tool of this utility model installed on a matching base. Detailed Implementation

[0024] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0025] In the description of this utility model, it should be understood that the terms "front", "rear", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] like Figures 1 to 2 As shown, this embodiment provides a multifunctional toothed tool assembly 30 for clearing ground vegetation and cutting shrubs and branches in forests or woodlands. The toothed tool includes a toothed body 10 and a cemented carbide 20. The toothed body 10 has a saddle-shaped structure and includes a support portion 19 and a fixing portion 12. A semi-open receiving portion 11 is provided at the intersection of the upper and front of the support portion 19. The cemented carbide 20 is semi-enclosedly embedded in the receiving portion 11 of the toothed body and fixedly connected by a metal brazing process. The toothed body 10 is made of high-strength alloy steel through metal molding.

[0028] like Figures 3 to 5 As shown, the support portion 19 includes a first front cutting surface 15, a second front cutting surface 15.1, and a rear cutting surface 16 on the periphery, and a first support surface 13 and a second support surface 13.1 on the inner side. The first front cutting surface 15 and the rear cutting surface 16 are arranged adjacent to each other, and the receiving portion 11 is disposed between the first front cutting surface 15 and the rear cutting surface 16. The second support surface is provided with two inclined surfaces that are symmetrical in the left-right direction of the support portion.

[0029] In this embodiment, the first front cutting surface 15 and the second front cutting surface 15.1 are used to directly contact the material being cut or cleaned and the ground, bearing a huge working force. Therefore, the large area design of both is beneficial to improving construction efficiency. Figure 5 As shown, the first front cutting surface 15 and the second front cutting surface 15.1 have an included angle β, and the angle β ranges from 170° to 175°. Depending on the actual situation, 170°, 172° or 175° can be selected.

[0030] like Figure 3 As shown, the first front cutting surface 15 and the rear cutting surface 16 have an included angle γ, which ranges from 80° to 90°. Depending on the actual situation, 80°, 85°, or 90° can be selected. Figure 4 As shown, there is an included angle δ between the left side surface 17 and the right side surface 18 of the support portion corresponding to the first front cutting surface 15. The angle δ is between 10° and 15°, and can be selected as 10°, 12° or 15° depending on the actual situation.

[0031] like Figure 3 As shown, a recessed step is provided on the rear side of the rear cut surface 16. The recessed step includes a pressing surface 14 and a pressing side surface 14.1, which are arranged vertically.

[0032] like Figure 3 and Figure 4 As shown, the fixing part 12 is a cylindrical structure. The fixing part 12 has an outer diameter φC, with a size range of 30mm to 35mm. 30mm, 32mm, or 35mm can be selected according to the actual situation. The fixing part 12 has a minimum length L, with a size range of 15mm to 18mm. 15mm, 17mm, or 18mm can be selected according to the actual situation. The fixing part 12 has a maximum length L1, with a size range of 25mm to 30mm. 25mm, 28mm, or 30mm can be selected according to the actual situation. The fixing part 12 is provided with a fixing hole 12.1 that passes through its center. The fixing hole 12.1 is provided with a central axis A.

[0033] like Figure 3 and Figure 5 As shown, the receiving part 11 extends through the left side 17 and the right side 18 of the support part. The cross-section of the receiving part 11 is C-shaped. The receiving part 11 has a width W, with a size range of 10mm to 15mm, and can be selected as 10mm, 12mm or 15mm depending on the actual situation. The receiving part 11 has a maximum depth d1, with a size range of 20mm to 23mm, and can be selected as 20mm, 22mm or 23mm depending on the actual situation. The receiving part 11 has a minimum depth d2, with a size range of 19mm to 22mm, and can be selected as 19mm, 20mm or 22mm depending on the actual situation.

[0034] like Figure 5As shown, the receiving part 11 has a center line A1 in the width direction, which forms an angle α with the central axis A of the fixing hole 12.1. The angle α is a cutting angle, and the angle range of the angle α is between 50° and 60°. 50°, 55° or 60° can be selected according to the actual situation.

[0035] like Figure 5 and Figure 6 As shown, the front of the cemented carbide 20 is bow-shaped. The cemented carbide 20 includes a main cutting edge 21 and a secondary cutting edge 22. The main cutting edge 21 is close to the rear cutting surface 16 and the main cutting edge 22 is close to the first front cutting surface 15.

[0036] like Figure 7 As shown, when the gear assembly 30 is installed on the matching base 40, the fixing part 12 of the gear assembly 30 is inserted into the positioning hole 41 of the base 40. The first support surface 13 and the second support surface 13.1 of the gear assembly 30 are respectively in contact with the first stop surface 43 and the second stop surface 44 of the base 40. After the bolt 50 passes through the fixing hole 12.1 of the gear assembly 30, one end of the bolt 50 is located in the countersunk hole 42 of the base 40. Then, the bolt 50 is tightened by the washer 70 and the nut 60, and the gear assembly 30 and the base 40 are assembled. When working, they can achieve 360° continuous rotation along the O direction. The combination of cemented carbide 20 and high-strength alloy steel tooth body 10 can make full use of the material characteristics of both. Cemented carbide 20 can cut or slice hard tree roots and shrubs. The first front cutting surface 15, the second front cutting surface 15.1, the rear cutting surface 16, the left side surface 17 of the support part, and the right side surface 18 of the support part of the tooth body 10 are working surfaces with a large contact area, which can clear large areas of grassland, pasture, vegetation, etc., which can greatly improve the efficiency of related operations, extend the service life of equipment, improve the quality of operation, save construction costs, and thus improve economic benefits.

[0037] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A multifunctional tooth implement, characterized by comprising: The application relates to a tooth body (10) and a hard alloy (20), the tooth body (10) is in a saddle-shaped structure as a whole, the tooth body (10) comprises a supporting part (19) and a fixing part (12), a semi-open accommodating part (11) is arranged at the upper and front intersection of the supporting part (19), and the hard alloy (20) is semi-enclosedly embedded in the accommodating part (11).

2. The multifunctional tooth implement according to claim 1, wherein The supporting part (19) comprises peripheral first and second front cutting faces (15) and a rear cutting face (16) and inner first and second supporting faces (13), the first front cutting face (15) is arranged adjacent to the rear cutting face (16), and the accommodating part (11) is arranged between the first front cutting face (15) and the rear cutting face (16).

3. The multifunctional tooth implement according to claim 2, wherein The first front cutting face (15) and the second front cutting face (15.1) form an included angle beta, and the included angle beta ranges from 170 to 175 degrees.

4. The multifunctional tooth implement according to claim 2, wherein The first front cutting face (15) and the rear cutting face (16) form an included angle gamma, and the included angle gamma ranges from 80 to 90 degrees.

5. The multifunctional tooth implement according to claim 2, wherein A sunken step is arranged at the rear of the rear cutting face (16), and the sunken step comprises a pressing face (14) and a pressing side face (14.1), and the pressing face (14) and the pressing side face (14.1) are perpendicular to each other.

6. The multifunctional dental tool according to claim 1, wherein The fixing part (12) is in a cylindrical structure, the fixing part (12) has a peripheral diameter phi C, a minimum length L and a maximum length L1, the fixing part (12) is provided with a fixing hole (12.1) penetrating through the center, and the fixing hole (12.1) is provided with a central axis A.

7. The multifunctional tooth implement according to claim 6, wherein The accommodating part (11) penetrates through a left side face (17) and a right side face (18) of the supporting part, the cross section of the accommodating part (11) is in a C shape, and the accommodating part (11) has a width W, a maximum depth d1 and a minimum depth d2.

8. The multifunctional tooth implement according to claim 7, wherein A center line A1 is arranged in the width direction of the accommodating part (11), the center line A1 and the central axis A of the fixing hole (12.1) form an included angle alpha, the included angle alpha is a cutting angle, and the included angle alpha ranges from 50 to 60 degrees.

9. The multifunctional dental tool according to claim 1, wherein The front part of the hard alloy (20) is in a bow shape, the hard alloy (20) comprises a main cutting edge (21) and a secondary cutting edge (22), the main cutting edge (21) is close to the rear cutting face (16), and the main cutting edge (21) is close to the first front cutting face (15).