Diamond grinding disc for grinding concrete spherical surface structure

Abstract

The utility model discloses a diamond grinding disc for grinding a concrete spherical surface structure, which comprises a grinding disc base body connected with a main shaft of equipment in a screw thread matching manner, the welding surface of the grinding disc base body is of a concave spherical surface structure, a plurality of inner cutter teeth are uniformly arranged on the welding surface of the grinding disc base body, and the inner cutter teeth extend from the outer edge of the grinding disc base body to the center by a certain length; at least one outer cutter tooth is arranged between every two adjacent inner cutter teeth, and the outer cutter teeth extend by a certain length in an arc shape in the circumferential direction of the outer edge of the grinding disc base body. Due to the adoption of the spherical surface structure, one-time forming is achieved in the grinding process, the spherical surface size is stable, the surface is smooth, and the influence on high-speed rail traveling is reduced; the periphery of the millstone is chamfered, the track plate is not damaged in the grinding process, circular arc transition is formed between the millstone and the track plate, and water accumulation is avoided; the method has the advantages of simple construction process, high processing precision and high processing efficiency.

Description

Technical Field

[0001] The utility model relates to a diamond grinding disc for grinding a concrete spherical surface structure, which is used in the field of railway non-fragmented track slab grouting construction. Background Art

[0002] With the development of railway engineering, the construction of non-fragmented track slab grouting has become an important part of high-speed railway engineering construction and an important part of construction. After the non-fragmented track slab grouting is completed, the grouting holes usually need to be polished into a spherical structure, such as Figure 5 As shown, the spherical structure of the grouting hole is 8-10mm high and 180mm in diameter.

[0003] At present, the market uses flat grinding discs to grind the spherical structure of the grouting holes. The appearance during grinding is completely controlled by hand, which has high technical requirements for construction workers and low grinding efficiency. In addition, the track plate is easily damaged during the grinding process, forming grinding depressions and water accumulation. At the same time, the grinding shape is irregular, affecting the appearance. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a diamond grinding disc for grinding concrete spherical structure. The spherical structure is adopted, and the grinding process is formed in one step. The spherical size is stable and the surface is smooth, which reduces the impact on high-speed rail operation. The grinding disc has a chamfered design on the periphery, and the track plate is not damaged during the grinding process. A circular arc transition is formed with the track plate without water accumulation. The utility model has the advantages of simple construction process, high processing precision and high processing efficiency.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A diamond grinding disc for grinding a spherical surface structure of concrete comprises a grinding disc base body connected to a main shaft of an equipment by threaded fit, the welding surface of the grinding disc base body being a concave spherical surface structure, and a plurality of inner cutter teeth are evenly arranged on the welding surface of the grinding disc base body, the inner cutter teeth extending a certain length from the outer edge of the grinding disc base body toward the center; at least one outer cutter tooth is arranged between every two adjacent inner cutter teeth, the outer cutter teeth extending a certain length in an arc shape along the circumferential direction of the outer edge of the grinding disc base body; the welding surfaces and working surfaces of the outer cutter teeth and the inner cutter teeth are both concave spherical surface structures matched with the grinding disc base body.

[0007] A further improvement of the technical solution of the utility model is that the diameter of the concave spherical surface structure of the grinding disc base is 820-1020 mm.

[0008] A further improvement of the technical solution of the utility model is that: the inner cutter teeth are fan-shaped structures with an outer edge width greater than an inner edge width.

[0009] A further improvement of the technical solution of the utility model is that the outer edge of the inner cutter teeth is arranged as a rounded corner.

[0010] A further improvement of the technical solution of the utility model is that the number of the inner cutter teeth is three.

[0011] A further improvement of the technical solution of the utility model is that the number of outer blade teeth arranged between every two adjacent inner blade teeth is two.

[0012] A further improvement of the technical solution of the utility model is that the outer edge of the outer cutter tooth is arranged as a rounded corner.

[0013] A further improvement of the technical solution of the utility model is that the thickness of the outer cutter teeth is the same as that of the inner cutter teeth.

[0014] Due to the adoption of the above technical solution, the technical progress achieved by the utility model is:

[0015] The utility model adopts a spherical structure base and cutter teeth, which can manufacture spherical structures of various specifications. The grinding process is formed in one step, which meets the requirements of grinding the spherical structure of the grouting hole of the track plate without debris. The spherical surface size is stable and the surface is smooth, which reduces the impact on high-speed rail operation. The outer edges of the inner and outer cutter teeth of the grinding disc are set as rounded corners. The grinding process does not damage the track plate, and forms a circular arc transition with the track plate without water accumulation. It has the advantages of simple construction process, high processing precision and high processing efficiency.

[0016] The spherical grinding disc base and the spherical cutter teeth of the utility model are prepared by a brazing or inlay connection process, and can be effectively applied to the construction of grouting holes of high-speed railway track plates, thereby improving the grinding quality of the grouting holes and avoiding damage to the track plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a left-side structural schematic diagram of the utility model after being cut along the center line;

[0019] Figure 3 It is a schematic diagram of the structure of the outer cutter teeth;

[0020] Figure 4 It is a schematic diagram of the structure of the inner cutter teeth;

[0021] Figure 5 It is a schematic diagram of the spherical structure of the grouting hole;

[0022] Among them, 1. grinding disc base, 2. outer cutter teeth, 3. inner cutter teeth. DETAILED DESCRIPTION

[0023] The present invention is further described in detail below in conjunction with the embodiments:

[0024] like Figure 1 and 2As shown, a diamond grinding disc for grinding a spherical surface structure of concrete includes a grinding disc base and diamond teeth. The welding surface of the grinding disc base is a concave spherical structure with a diameter of 820-1020 mm. It is machined from a forged blank and connected to the main shaft of the equipment by an internal thread. Diamond teeth are arranged on the welding surface of the grinding disc base by brazing or inlaying. The diamond teeth are sintered after a uniform mixture of metal powder and diamond. The metal powder components are Cu, Fe, Ni, Co, W, and Sn.

[0025] The diamond teeth include inner teeth 3 and outer teeth 2. The structure of the inner teeth 3 is as follows: Figure 4 As shown, the structure of the outer cutter teeth 2 is as follows Figure 3 As shown. Multiple inner teeth 3 are evenly arranged along the circumference of the grinding disc base welding surface, and three are arranged in this embodiment. The inner teeth 3 extend a certain length from the outer edge of the grinding disc base to the center, and are arranged in a fan-shaped structure with an outer edge width greater than an inner edge width. In addition, the welding surface and working surface of the inner teeth 3 are both concave spherical structures adapted to the grinding disc base 1, and the outer edge is arranged as a rounded corner to prevent damage to the grinding surface.

[0026] At least one outer tooth 2 is arranged between every two adjacent inner teeth 3. In this embodiment, two outer teeth 2 are arranged between every two adjacent inner teeth 3. The outer teeth 2 extend in an arc shape along the outer edge of the grinding disc base for a certain length, and the welding surface and working surface of the outer teeth 2 are both concave spherical structures adapted to the grinding disc base 1, and the outer edge is set to a rounded corner to prevent damage to the grinding surface.

[0027] The outer blade teeth 2 and the inner blade teeth 3 of the utility model have the same thickness.

[0028] The connection part between the grinding disc base 1 and the diamond teeth of the utility model adopts a spherical structure, and the welding surface and the working surface of the diamond teeth also adopt a spherical form. It has the characteristics of one-time molding of the spherical shape and high efficiency. It can be effectively used in the construction of grouting holes of high-speed railway track plates, improve the grinding quality of the grouting holes, and avoid damage to the track plates.

[0029] The above descriptions are only the more commonly used embodiments of the present utility model and are not sufficient to develop the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A diamond grinding disc for grinding a spherical surface structure of concrete, comprising a grinding disc base (1) threadedly connected to a main shaft of an equipment, characterized in that: The welding surface of the grinding disc base (1) is a concave spherical structure, and a plurality of inner teeth (3) are evenly arranged on the welding surface of the grinding disc base, and the inner teeth (3) extend a certain length from the outer edge of the grinding disc base to the center; at least one outer tooth (2) is arranged between each two adjacent inner teeth (3), and the outer teeth (2) extend a certain length in an arc shape along the circumference of the outer edge of the grinding disc base; the welding surfaces and working surfaces of the outer teeth (2) and the inner teeth (3) are both concave spherical structures that are compatible with the grinding disc base (1).

2. The diamond grinding disc for grinding a spherical surface structure of concrete according to claim 1, characterized in that: The diameter of the concave spherical surface structure of the grinding disc base (1) is 820-1020 mm.

3. The diamond grinding disc for grinding a spherical surface structure of concrete according to claim 1, characterized in that: The inner blade teeth (3) are fan-shaped structures with an outer edge width greater than an inner edge width.

4. The diamond grinding disc for grinding a spherical surface structure of concrete according to claim 3, characterized in that: The outer edges of the inner cutter teeth (3) are arranged to be rounded.

5. The diamond grinding disc for grinding a spherical surface structure of concrete according to claim 1, characterized in that: The number of the inner blade teeth (3) is three.

6. The diamond grinding disc for grinding a spherical surface structure of concrete according to claim 1, characterized in that: The number of outer blade teeth (2) arranged between every two adjacent inner blade teeth (3) is two.

7. The diamond grinding disc for grinding a spherical surface structure of concrete according to claim 1, characterized in that: The outer edges of the outer blade teeth (2) are arranged to be rounded.

8. The diamond grinding disc for grinding a spherical surface structure of concrete according to claim 1, characterized in that: The thickness of the outer blade teeth (2) and the inner blade teeth (3) are the same.

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