Cutting pick with soil accumulation prevention function

Abstract

The utility model relates to the field of coal mining machinery, and discloses a cutting pick with a soil accumulation prevention function, which comprises a connecting column and a pick body, the top of the connecting column is fixedly connected with a mounting column, a limiting component is arranged in the mounting column, a clamping groove is arranged in the pick body, and a connecting component is arranged in the mounting column; and the limiting assembly comprises a cone, a top column is fixedly connected to the top of the cone, the cone is slidably connected into the mounting column, a spring is arranged in the cone, one end of the spring is fixedly connected into the cone, and the other end of the spring is fixedly connected into the mounting column. According to the cutting pick, when the cutting pick is not used, tension of the spring drives the cone to reset, then the ball is separated from the clamping groove, the pick body can be conveniently separated from the connecting column to replace the pick body, the effect of conveniently replacing the cutting pick is achieved, and the problems that a traditional cutting pick is of an integrated structure, and surface working parts cannot be independently replaced are solved; and the use cost of the cutting pick is increased.

Description

Technical Field

[0001] The utility model relates to the field of coal mining machinery, in particular to a pick with the function of preventing soil accumulation. Background Art

[0002] A pick is a tool widely used in mechanical equipment, primarily in mining, tunnel excavation, road construction, and other engineering projects. It is typically installed on equipment such as mining machines, tunnel boring machines, and milling scrapers to cut and crush hard materials. Picks are typically conical or serrated in shape, possessing strong cutting power and enabling efficient excavation or cutting of materials. However, when mining soil or rock, dirt, clay, or other soft materials can easily adhere to the pick surface, affecting its cutting ability. Therefore, picks with anti-soil accumulation features are required to reduce downtime and efficiency losses caused by soil accumulation.

[0003] Picks with anti-soil accumulation function can be divided into many types, including self-cleaning picks, anti-adhesion picks and inclined angle picks. These anti-soil accumulation picks can choose different design types according to different working environments and technical requirements to maximize work efficiency, reduce maintenance costs, and extend equipment life. Anti-adhesion picks use anti-stick coatings or special materials to reduce the adhesion between soil and other substances and the pick surface.

[0004] However, these picks often present challenges such as difficulty in disassembly, easy adhesion to dirt, and wear, hindering the lifespan of the equipment. In particular, once the working surface of a traditional pick is worn or damaged, it's often not possible to replace the worn portion individually; the entire pick must be replaced, increasing mining costs. However, the overall structure of existing picks makes replacement difficult during use. Especially when the surface of a pick is worn or damaged, the entire pick often needs to be replaced, increasing maintenance costs and the overall cost of using the mining equipment. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a pick with a soil accumulation prevention function, aiming to improve the problem that the traditional pick is an integrated structure and the surface working parts cannot be replaced separately.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a pick with a soil accumulation prevention function, comprising a connecting column and a tooth body, wherein the top of the connecting column is fixedly connected to a mounting column, a limit assembly is provided inside the mounting column, a slot is provided inside the tooth body, and a connecting assembly is provided inside the mounting column;

[0007] The limiting assembly includes a cone, the top of the cone is fixedly connected to a top column, the cone is slidably connected to the inside of the mounting column, a spring is provided inside the cone, one end of the spring is fixedly connected to the inside of the cone, and the other end of the spring is fixedly connected to the inside of the mounting column.

[0008] As a further description of the above technical solution:

[0009] The connecting component includes a sphere, a cavity is opened inside the mounting column, the sphere is slidably connected inside the cavity, and the sphere is embedded in the slot.

[0010] As a further description of the above technical solution:

[0011] A drill body is provided inside the tooth body, a reinforcement layer is fixedly connected to the outer wall of the drill body, an anti-sticking layer is fixedly connected to the outer wall of the reinforcement layer, and the tooth body is composed of the reinforcement layer, the anti-sticking layer and the slot.

[0012] As a further description of the above technical solution:

[0013] A connecting groove is provided inside the tooth body, a mounting groove is provided inside the connecting column, and a convex ring is fixedly connected to the connecting column and the inside of the tooth body.

[0014] As a further description of the above technical solution:

[0015] A sealing strip is provided between the connecting column and the tooth body, and the bottom of the sealing strip is fixedly connected to a limiting block.

[0016] As a further description of the above technical solution:

[0017] A second groove is provided inside the sealing strip, the limiting block is engaged with the mounting groove, and the second groove is engaged with the convex ring.

[0018] As a further description of the above technical solution:

[0019] A wedge-shaped sealing block is fixedly connected to the top of the sealing strip, and the wedge-shaped sealing block is embedded in the connecting groove.

[0020] As a further description of the above technical solution:

[0021] A groove 1 is provided inside the sealing strip, and the groove 1 is engaged with the convex ring.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, first, when not in use, the tension of the spring drives the cone to reset, thereby separating the ball from the slot, so that the tooth body and the connecting column can be easily separated to replace the tooth body, thereby achieving the effect of facilitating the replacement of the pick teeth, solving the problem that the traditional pick teeth are an integrated structure and the surface working parts cannot be replaced separately, which increases the use cost of the pick teeth.

[0024] 2. In the utility model, the sealing strip is connected to the connecting column by being embedded in the installation groove through a limiting block. When the tooth body is installed, the inclined surface of the outer wall of the wedge-shaped sealing block is embedded in the connecting groove. At the same time, the convex ring is embedded in the groove two and the groove one to be interlocked, thereby improving the sealing performance and anti-soil accumulation performance of the pick, and solving the problem that the surface of the traditional pick is easily adhered to mud and needs to be cleaned frequently, which affects the efficiency of coal mining. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional diagram of a pick with a soil accumulation prevention function proposed in the present invention;

[0026] Figure 2 This is a schematic diagram of the internal structure of a mounting post for a pick with a soil accumulation prevention function proposed in the present invention;

[0027] Figure 3 This is a schematic diagram of the internal structure of a pick with a soil accumulation prevention function proposed in the present invention;

[0028] Figure 4 for Figure 2 Schematic diagram of the locally enlarged structure at point A in the middle.

[0029] Legend:

[0030] 1. Connecting column; 2. Tooth body; 3. Mounting column; 4. Cone; 5. Top column; 6. Spring; 7. Cavity; 8. Sphere; 9. Sealing strip; 10. Wedge-shaped sealing block; 11. Groove 1; 12. Limit block; 13. Groove 2; 14. Mounting groove; 15. Raised ring; 16. Connecting groove; 17. Drill body; 18. Strengthening layer; 19. Anti-sticking layer; 20. Slot. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] Reference Figure 1 、 Figure 2 and Figure 4 The utility model provides an embodiment: a pick with a soil backlog prevention function, comprising a connecting column 1 and a tooth body 2, the top of the connecting column 1 is fixedly connected to a mounting column 3, the interior of the mounting column 3 is provided with a limiting component for fixing the tooth body 2 to ensure that the tooth body 2 is not easy to fall off during use, and is convenient for quick replacement when disassembled, the tooth body 2 is provided with a card slot 20 for matching with the mounting column 3 for fixing, and the interior of the mounting column 3 is provided with a connecting component to enhance the firm connection between the tooth body 2 and the connecting column 1;

[0033] When the tooth body 2 is subjected to external force, the top post 5 will be compressed, thereby pushing the cone 4 to move toward the connecting post 1, thereby achieving the effect of clamping the tooth body 2. The cone 4 is slidably connected to the inside of the mounting post 3. A spring 6 is provided inside the cone 4. One end of the spring 6 is fixedly connected to the inside of the cone 4, and the other end of the spring 6 is fixedly connected to the inside of the mounting post 3. Through the rebound force of the spring 6, the cone 4 can be quickly reset after use, so that the tooth body 2 is separated from the connecting post 1 for easy replacement and cleaning. The connecting assembly includes a ball 8. A cavity 7 for accommodating the ball 8 is opened inside the mounting post 3. The ball 8 is slidably connected to the inside of the cavity 7. The ball 8 is engaged with the card slot 20, thereby providing a more secure connection force, preventing the tooth body 2 from loosening when subjected to a large external force, and effectively improving the safety and reliability of the equipment.

[0034] Specifically, when replacing the tooth body 2, it is only necessary to directly pull the tooth body 2 out of the outer wall of the mounting column 3 to achieve quick disassembly. This is because during the working process of the pick, the tooth body 2 will generate an extrusion force on the top column 5 when under pressure, thereby pushing the cone 4 to move forward, so that the ball 8 is embedded in the slot 20, thereby firmly connecting the tooth body 2 to the connecting column 1, ensuring that it will not easily loosen during work. When it stops being used, the tension of the spring 6 will automatically pull the cone 4 to its original position, and the ball 8 will be separated from the slot 20. In this way, the tooth body 2 can be easily removed from the connecting column 1, making it convenient to quickly replace the tooth body 2. Through this design, the replacement process is simplified and work efficiency is improved.

[0035] Reference Figure 3The outer wall of the reinforcement layer 18 is further fixedly connected with an anti-sticking layer 19, which can reduce the adhesion of dirt and other impurities to the tooth body 2, making the drill bit smoother during operation, avoiding dirt accumulation and reducing the frequency of cleaning. The tooth body 2 is composed of a reinforcement layer 18, an anti-sticking layer 19 and a card slot 20, wherein the card slot 20 is used to achieve a firm connection with the connecting component, thereby enhancing the fastening effect between the tooth body 2 and the connecting column 1, a connecting groove 16 is provided inside the tooth body 2, and an installation groove 14 is provided inside the connecting column 1. The setting of the connecting groove 16 and the installation groove 14 facilitates the precise docking between the tooth body 2 and the connecting column 1, and further improves the stability of the connection between the two. The connecting column 1 and the tooth body 2 are both fixedly connected with a convex ring 15. The convex ring 15 The design can achieve reliable cooperation with the corresponding groove structure, further enhancing the sealing effect. A sealing strip 9 is provided between the connecting column 1 and the tooth body 2. The sealing strip 9 provides a sealing effect when the two are connected to prevent foreign matter such as mud and dust from entering the connection part. The bottom of the sealing strip 9 is fixedly connected to the limiting block 12. The limiting block 12 is engaged in the installation groove 14 to ensure that the sealing strip 9 remains stable during connection. A groove 2 13 is provided inside the sealing strip 9. The groove 2 13 is engaged with the convex ring 15 to achieve a firm engaging effect, further enhancing the sealing performance. A wedge-shaped sealing block 10 is fixedly connected to the top of the sealing strip 9. The wedge-shaped sealing block 10 is engaged with the connecting groove 16 to enhance the sealing effect of the sealing strip 9 at the connection between the tooth body 2 and the connecting column 1. A groove 11 is also provided inside the sealing strip 9. The groove 11 is also engaged with the convex ring 15, thereby increasing the stability of the sealing strip 9 and improving the sealing effect, ensuring that the tooth body 2 has excellent anti-pollution ability during work;

[0036] Specifically, when the tooth body 2 is connected to the connecting column 1, the tooth body 2 and the connecting column 1 are effectively sealed by the sealing strip 9, and the sealing strip 9 is embedded in the installation groove 14 through the limit block 12, and is firmly connected to the connecting column 1 to achieve a tight fit. When the tooth body 2 is installed, the outer wall slope of the wedge-shaped sealing block 10 is embedded in the connecting groove 16, and the convex ring 15 is accurately embedded in the groove 2 13 and the groove 1 11, so that the sealing strip 9 forms a tight and firm seal between the connecting column 1 and the tooth body 2, preventing mud from entering the gap between the connecting column 1 and the tooth body 2, further improving the durability and sealing of the device. In addition, the tooth body 2 is composed of a drill body 17, a strengthening layer 18 and an anti-sticking layer 19, which provides a tight seal. The overall performance is improved. The drill body 17 is made of alloy steel with high hardness and wear resistance. It can withstand the huge impact and friction during the excavation process and ensure a long service life. The strengthening layer 18 is made of tungsten alloy, which gives the pick excellent wear resistance and pressure resistance, significantly improves the strength, reduces surface wear, and enhances the ability to resist soil extrusion. The anti-sticking layer 19 is a ceramic coating. By reducing the adhesion between the soil and the surface of the pick, the soil is not easy to accumulate and adhere after contacting the pick, effectively preventing soil accumulation. Through the above multiple structures, the anti-soil extrusion and sealing properties of the pick are significantly improved, ensuring that it still has good performance in harsh environments.

[0037] Working principle: When using the pick with anti-soil accumulation function, first replace the tooth body 2 by directly pulling out the tooth body 2 from the outer wall of the mounting column 3. Because when the pick is working, the tooth body 2 is pressed against the top column 5, thereby driving the cone 4 to make the ball 8 embed into the slot 20 to connect the tooth body 2 and the connecting column 1. When not in use, the tension of the spring 6 drives the cone 4 to reset, thereby separating the ball 8 from the slot 20, and the tooth body 2 and the connecting column 1 can be easily separated to replace the tooth body 2, thereby achieving the effect of facilitating the replacement of the tooth body 2. When the tooth body 2 is connected to the connecting column 1, the tooth body 2 and the connecting column 1 are filled and sealed by the sealing strip 9, and the sealing strip 9 is embedded in the mounting groove 14 through the limit block 12 to connect to the connecting column 1. When installing the tooth body 2, the inclined surface of the outer wall of the wedge-shaped sealing block 10 is embedded in the connecting groove 16. Inside, the convex ring 15 is embedded in the groove 2 13 and the groove 1 11 to improve the connection strength between the sealing strip 9 and the connecting column 1 and the tooth body 2, and prevent the soil from entering the gap between the connecting column 1 and the tooth body 2. Then the tooth body 2 is composed of a drill body 17, a reinforcement layer 18 and an anti-sticking layer 19. The drill body 17 is made of alloy steel, has high hardness and wear resistance, and can withstand high impact and friction during excavation. The reinforcement layer 18 is made of tungsten alloy, has excellent wear resistance and pressure resistance, can improve the strength of the pick, reduce surface wear, and enhance the pick's resistance to soil extrusion. The anti-sticking layer 19 is a ceramic coating, which reduces the adhesion of soil to the pick surface, making it difficult for soil to adhere after contacting the pick, thereby preventing soil accumulation, thereby achieving the goal of improving the pick's anti-soil extrusion and sealing properties.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A pick with a soil accumulation prevention function, comprising a connecting column (1) and a tooth body (2), characterized in that: The top of the connecting column (1) is fixedly connected to a mounting column (3), a limiting component is provided inside the mounting column (3), a slot (20) is provided inside the tooth body (2), and a connecting component is provided inside the mounting column (3); The limiting assembly comprises a cone (4), a top column (5) is fixedly connected to the top of the cone (4), the cone (4) is slidably connected to the inside of the mounting column (3), a spring (6) is provided inside the cone (4), one end of the spring (6) is fixedly connected to the inside of the cone (4), and the other end of the spring (6) is fixedly connected to the inside of the mounting column (3).

2. The pick with the function of preventing soil accumulation according to claim 1, characterized in that: The connecting assembly includes a sphere (8), a cavity (7) is provided inside the mounting column (3), the sphere (8) is slidably connected inside the cavity (7), and the sphere (8) is engaged with the slot (20).

3. The pick with the function of preventing soil accumulation according to claim 1, characterized in that: A drill body (17) is provided inside the tooth body (2); a reinforcement layer (18) is fixedly connected to the outer wall of the drill body (17); an anti-sticking layer (19) is fixedly connected to the outer wall of the reinforcement layer (18); and the tooth body (2) is composed of the reinforcement layer (18), the anti-sticking layer (19) and the card slot (20).

4. The pick with the function of preventing soil accumulation according to claim 1, characterized in that: A connecting groove (16) is provided inside the tooth body (2), a mounting groove (14) is provided inside the connecting column (1), and a convex ring (15) is fixedly connected to the connecting column (1) and the tooth body (2).

5. The pick with the function of preventing soil accumulation according to claim 1, characterized in that: A sealing strip (9) is provided between the connecting column (1) and the tooth body (2), and the bottom of the sealing strip (9) is fixedly connected to a limiting block (12).

6. The pick with the function of preventing soil accumulation according to claim 5, characterized in that: A second groove (13) is provided inside the sealing strip (9), the limiting block (12) is engaged with the mounting groove (14), and the second groove (13) is engaged with the convex ring (15).

7. The pick with the function of preventing soil accumulation according to claim 5, characterized in that: A wedge-shaped sealing block (10) is fixedly connected to the top of the sealing strip (9), and the wedge-shaped sealing block (10) is embedded in the connecting groove (16).

8. The pick with the function of preventing soil accumulation according to claim 5, characterized in that: A groove (11) is provided inside the sealing strip (9), and the groove (11) is engaged with the convex ring (15).

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