Roller frame anti-abrasion structure for coal mill

Abstract

The utility model discloses a roller frame anti-abrasion structure for a coal mill, and relates to the technical field of roller frames for coal mills, the roller frame anti-abrasion structure comprises a roller frame assembly and an anti-abrasion assembly, the anti-abrasion assembly is fixedly arranged in the roller frame assembly, the roller frame assembly comprises a supporting vertical plate, a first anti-abrasion plate is fixedly installed on the inner wall of the supporting vertical plate, and a second anti-abrasion plate is fixedly installed on the inner wall of the first anti-abrasion plate. A wear-resisting rubber plate is fixedly installed on the inner wall of the first wear-resisting plate, a second wear-resisting plate is fixedly installed on the inner wall of the wear-resisting rubber plate, and reinforcing ribs which are evenly distributed are fixedly arranged in the supporting vertical plate. The wear resistance of the contact face of the supporting vertical plate and the coal mill roller can be improved conveniently through the first wear-resisting plate, the wear-resisting rubber plate and the second wear-resisting plate, the strength and toughness of the supporting vertical plate can be improved through the reinforcing ribs, the protection performance of the ceramic wear-resisting ring can be improved conveniently through the anti-corrosion coating and the wear-resisting coating, and the coal mill roller is prevented from abrading the supporting vertical plate; the damping springs buffer and absorb vibration borne by the supporting base and the supporting bottom plate, and the supporting stability of the roller frame assembly is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of roller frames for coal mills, in particular to an anti-wear structure of roller frames for coal mills. Background Art

[0002] The coal mill roller frame is one of the key components of the coal mill. It is mainly used to support equipment such as grinding discs and drums, and at the same time bear the grinding force of coal powder. The structural design and material selection of the roller frame are very important to ensure the normal operation of the coal mill and improve the coal grinding efficiency. The roller frame is generally composed of two or more rollers and corresponding supporting structures. There are two common forms: radial roller frames and radial-axial composite roller frames.

[0003] In the prior art, the design of the roller frame is required to have sufficient rigidity and stability to withstand the impact force of the high-speed rotating roller and coal powder. However, the roller frame is prone to wear during long-term use, which affects the service life of the roller frame. In addition, the roller frame support will vibrate, and the support stability is insufficient, which affects the actual use effect. Therefore, an anti-wear structure for the roller frame of a coal mill is needed. Utility Model Content

[0004] The purpose of the utility model is to address the above-mentioned problems existing in the prior art, overcome the shortcomings of the prior art roller frame that is prone to wear during long-term use, which affects the service life of the roller frame, and the roller frame support will vibrate and the support stability is not enough, and design an anti-wear structure for the roller frame for a coal mill.

[0005] In order to achieve the above purpose, the technical solution of the utility model is:

[0006] A roller frame anti-wear structure for a coal mill, comprising a roller frame assembly and an anti-wear assembly, wherein the anti-wear assembly is fixedly arranged inside the roller frame assembly, and the roller frame assembly comprises a supporting vertical plate, a first wear-resistant plate is fixedly installed on the inner wall of the supporting vertical plate, a wear-resistant rubber plate is fixedly installed on the inner wall of the first wear-resistant plate, a second wear-resistant plate is fixedly installed on the inner wall of the wear-resistant rubber plate, and uniformly distributed reinforcing ribs are fixedly arranged inside the supporting vertical plate.

[0007] Preferably, the anti-wear component includes a mounting groove, which is fixedly arranged on the supporting plate, and a ceramic wear-resistant ring is installed inside the mounting groove, the outer wall of the ceramic wear-resistant ring is fixedly coated with an anti-corrosion coating, and the inner wall of the ceramic wear-resistant ring is fixedly coated with a wear-resistant coating.

[0008] Preferably, a mounting base is fixedly installed on the bottom of the roller frame assembly, a supporting base is movably installed on the bottom of the mounting base, a fastening screw groove is fixedly provided on the mounting base, and the fastening screw groove is opened on the top of the supporting base, and the fastening screw groove connects and fixes the mounting base and the supporting base by providing fastening bolts adapted thereto.

[0009] Preferably, one end of a shock-absorbing spring is movably connected to the bottom of the support base, and the other end of the shock-absorbing spring is movably mounted on a support base plate. One end of a damper is movably mounted on the bottom of the support base, and the other end of the damper is movably mounted on the support base plate.

[0010] Preferably, the shock absorbing spring is movably wound around the outside of the damper.

[0011] Preferably, support legs are fixedly mounted at the four bottom corners of the support base plate, and the support legs are distributed in parallel.

[0012] Preferably, the roller frame assemblies are symmetrically distributed.

[0013] Beneficial effects achieved by the utility model:

[0014] 1. The coal mill roller is supported by the support plate. The first wear-resistant plate, the wear-resistant rubber plate and the second wear-resistant plate are used to improve the wear resistance of the contact surface between the support plate and the coal mill roller. The strength and toughness of the support plate can be improved by the reinforcing ribs, and the stability of the support can be further improved. The coal mill roller is conveniently fixed on the support plate by the mounting groove. The coal mill roller is installed by the ceramic wear-resistant ring. The anti-corrosion coating and the wear-resistant coating are convenient to further improve the protective performance of the ceramic wear-resistant ring, which is convenient for long-term use, helps to prevent the coal mill roller from causing wear to the support plate, and improves the overall anti-wear performance;

[0015] 2. The mounting base plate and the supporting base are conveniently installed and fixed by tightening bolts, and then the roller frame assembly and the supporting base are fixed. The vibrations received by the supporting base and the supporting base plate are buffered and absorbed by the shock-absorbing spring, which helps to improve the stability of the roller frame assembly support. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of a roller frame assembly according to an embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of a support base according to an embodiment of the utility model;

[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of an anti-wear component according to an embodiment of the utility model;

[0020] Figure 5 The figure is a schematic diagram of the internal cross-sectional structure of a supporting vertical plate according to an embodiment of the utility model.

[0021] Figure numerals: 1. Roller frame assembly; 101. Support vertical plate; 102. First wear-resistant plate; 103. Wear-resistant rubber plate; 104. Second wear-resistant plate; 105. Reinforcing ribs; 2. Anti-wear assembly; 201. Mounting groove; 202. Ceramic wear-resistant ring; 203. Anti-corrosion coating; 204. Wear-resistant coating; 3. Mounting base plate; 4. Support base; 5. Fastening screw groove; 6. Fastening bolt; 7. Shock-absorbing spring; 8. Damper; 9. Support base plate; 10. Support leg. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and cannot be used to limit the protection scope of the utility model.

[0023] like Figure 1-Figure 5 As shown, the utility model proposes an anti-wear structure for a roller frame for a coal mill, comprising a roller frame assembly 1 and an anti-wear assembly 2, the anti-wear assembly 2 is fixedly arranged inside the roller frame assembly 1, the roller frame assembly 1 comprises a supporting vertical plate 101, the inner wall of the supporting vertical plate 101 is fixedly installed with a first wear-resistant plate 102, the inner wall of the first wear-resistant plate 102 is fixedly installed with a wear-resistant rubber plate 103, the inner wall of the wear-resistant rubber plate 103 is fixedly installed with a second wear-resistant plate 104, the interior of the supporting vertical plate 101 is fixedly provided with uniformly distributed reinforcing ribs 105, the roller frame assembly 1 is symmetrically distributed, the coal mill roller is supported by the supporting vertical plate 101, the first wear-resistant plate 102, the wear-resistant rubber plate 103 and the second wear-resistant plate 104 are convenient for improving the wear resistance of the contact surface between the supporting vertical plate 101 and the coal mill roller, the strength and toughness of the supporting vertical plate 101 can be improved by the reinforcing ribs 105, and the stability of the support is further improved.

[0024] In this embodiment, the anti-wear component 2 includes a mounting groove 201, which is fixedly arranged on the supporting plate 101. A ceramic wear-resistant ring 202 is installed inside the mounting groove 201. The outer wall of the ceramic wear-resistant ring 202 is fixedly coated with an anti-corrosion coating 203, and the inner wall of the ceramic wear-resistant ring 202 is fixedly coated with a wear-resistant coating 204. The mounting groove 201 is used to facilitate fixing the coal mill roller on the supporting plate 101, and the coal mill roller is installed through the ceramic wear-resistant ring 202. The anti-corrosion coating 203 and the wear-resistant coating 204 facilitate further improving the protective performance of the ceramic wear-resistant ring 202, which is convenient for long-term use, helps prevent the coal mill roller from causing wear to the supporting plate 101, and improves the overall anti-wear performance.

[0025] The support base 4 is provided with a plurality of support legs 10, and the plurality of support legs 10 are provided with support legs 10. The plurality of support legs 10 are provided with support legs 10, and the plurality of support legs 10 are provided with support legs 10. The plurality of support legs 10 are provided with support legs 10, and the plurality of support legs 10 are provided with support legs 10. The plurality of support legs 10 are provided with support legs 10, and the plurality of support legs 10 are provided with support legs 10. The plurality of support legs 10 are provided with support legs 10, and the plurality of support legs 10 are provided with support legs 10. The plurality of support legs 10 are provided with support legs 10, and the plurality of support legs 10 are provided with support legs 10.

[0026] Working principle: First, the coal mill roller is supported by the support plate 101, and the wear resistance of the contact surface between the support plate 101 and the coal mill roller is improved by the first wear-resistant plate 102, the wear-resistant rubber plate 103 and the second wear-resistant plate 104. The strength and toughness of the support plate 101 can be improved by the reinforcing ribs 105, and the stability of the support is further improved. The coal mill roller is fixed on the support plate 101 by the mounting groove 201, and the coal mill roller is installed by the ceramic wear-resistant ring 202. The anti-corrosion coating 203 and the wear-resistant coating 204 are convenient for further improving the protective performance of the ceramic wear-resistant ring 202, which is convenient for long-term use and helps to prevent the coal mill roller from causing wear to the support plate 101, thereby improving the overall anti-wear performance. The mounting base plate 3 and the support base 4 are conveniently installed and fixed by the tightening bolts 6, and then the roller frame assembly 1 is fixed to the support base 4. The vibration of the support base 4 and the support base plate 9 is buffered and absorbed by the shock-absorbing spring 7, which helps to improve the stability of the support of the roller frame assembly 1.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A roller frame anti-wear structure for a coal mill, characterized in that: The invention comprises a roller frame assembly (1) and an anti-wear assembly (2), wherein the anti-wear assembly (2) is fixedly arranged inside the roller frame assembly (1), and the roller frame assembly (1) comprises a supporting vertical plate (101), a first wear-resistant plate (102) is fixedly installed on the inner wall of the supporting vertical plate (101), a wear-resistant rubber plate (103) is fixedly installed on the inner wall of the first wear-resistant plate (102), a second wear-resistant plate (104) is fixedly installed on the inner wall of the wear-resistant rubber plate (103), and evenly distributed reinforcing ribs (105) are fixedly arranged inside the supporting vertical plate (101).

2. The anti-wear structure of the roller stand for coal mill according to claim 1, characterized in that: The anti-wear component (2) comprises a mounting groove (201), the mounting groove (201) being fixedly arranged on the supporting vertical plate (101), a ceramic wear-resistant ring (202) being installed inside the mounting groove (201), an outer wall of the ceramic wear-resistant ring (202) being fixedly coated with an anti-corrosion coating (203), and an inner wall of the ceramic wear-resistant ring (202) being fixedly coated with a wear-resistant coating (204).

3. The anti-wear structure of a roller stand for a coal mill according to claim 1, characterized in that: A mounting base plate (3) is fixedly mounted at the bottom of the roller frame assembly (1), a supporting base (4) is movably mounted at the bottom of the mounting base plate (3), a fastening screw groove (5) is fixedly arranged on the mounting base plate (3), and the fastening screw groove (5) is opened at the top of the supporting base (4), and the fastening screw groove (5) is connected and fixedly connected to the mounting base plate (3) and the supporting base (4) by means of fastening bolts (6) matched thereto.

4. The anti-wear structure of the roller stand for coal mill according to claim 3, characterized in that: The bottom of the support base (4) is movably connected to one end of a shock-absorbing spring (7), and the other end of the shock-absorbing spring (7) is movably mounted with a support base plate (9); the bottom of the support base (4) is movably mounted to one end of a damper (8), and the other end of the damper (8) is movably mounted with the support base plate (9).

5. The anti-wear structure of the roller stand for coal mill according to claim 4, characterized in that: The shock absorbing spring (7) is movably wound around the outside of the damper (8).

6. The anti-wear structure of the roller stand for coal mill according to claim 4, characterized in that: Support legs (10) are fixedly mounted at the four corners of the bottom of the support base plate (9), and the support legs (10) are distributed in parallel.

7. The anti-wear structure of a roller stand for a coal mill according to claim 1, characterized in that: The roller frame components (1) are symmetrically distributed.

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