Convenient-to-assemble efficient wear-resistant lining plate of coal mill

By designing efficient wear-resistant lining for easy assembly in the coal mill, the power converter and docking rod drive the rotating gear to ensure the normal operation of the protective pad ring and docking gear, the complexity and limitations of the traditional coal mill lining plate in installation, replacement and wear resistance are solved, and the efficient operation and wear resistance of the equipment are achieved.

CN222766428UActive Publication Date: 2025-04-18JINAN YONGGU HEAVY MASCH MFG CO LTD
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Patent Information

Application Number
CN202421426852.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-04-18
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

Traditional coal mill linings have complexities and limitations in installation, replacement and wear resistance, which affect the operating efficiency and service life of the equipment.

Method used

A high-efficiency wear-resistant lining plate for easy assembly of coal mills is designed. The rotating gear is driven by the power converter and docking rod to observe the rotation of the roller, ensure that the protective pad ring and docking gear work normally, reduce wear and vibration, and regularly check and replace worn or damaged parts in time.

Benefits of technology

It realizes efficient operation of the equipment, meets the expected wear resistance and performance standards, and improves the working efficiency and service life of the coal mill.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a coal mill efficient wear-resistant lining plate convenient to assemble, and relates to the technical field of coal mill installation, the coal mill efficient wear-resistant lining plate convenient to assemble comprises a power mechanism, the power mechanism comprises a base, a battery is arranged on the base, a base plate is arranged on the battery, a motor is arranged on the base plate, a fixing ring is arranged on the outer surface of the motor, and the fixing ring is arranged on the outer surface of the motor. A power converter is arranged at one end of the motor, a butt joint rod is arranged on the side, away from the motor, of the power converter, and a rotating gear is arranged at the end, away from the power converter, of the butt joint rod. The rotary gear is driven to rotate through the power converter and the butt joint rod, the rotation condition of the roller is observed, normal work of the protective backing ring and the butt joint gear is ensured, abrasion and vibration are reduced, the abrasion condition of all parts is checked regularly, and abraded or damaged parts are cleaned and replaced in time, so that efficient operation of equipment is ensured; the expected wear-resistant effect and performance standard are achieved, the working efficiency of the coal mill is improved, and the service life is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of coal mill installation, in particular to a high-efficiency wear-resistant lining plate for a coal mill which is easy to assemble. Background Art

[0002] Coal mill is a kind of equipment widely used in industrial fields such as thermal power plants, steel plants and cement plants. It is mainly used to grind coal blocks into coal powder so as to achieve higher combustion efficiency during combustion. In order to ensure the efficient operation of coal mill, its internal lining must have excellent wear resistance to cope with the severe wear of coal blocks on the equipment during the grinding process. However, the lining of traditional coal mill has certain limitations in wear resistance and ease of maintenance, which affects the overall operation efficiency and service life of the equipment.

[0003] In actual use, traditional coal mill liners have the following defects: First, the installation and replacement process of the liners is relatively complicated and requires downtime, which affects the continuity and efficiency of production. Second, the wear resistance of the liners is limited, and they are prone to severe wear due to long-term use, resulting in increased vibration and unstable operation of the equipment. In addition, the design of traditional liners fails to fully consider the coordinated operation of various components, resulting in high maintenance costs for the overall equipment. Therefore, we provide a high-efficiency wear-resistant liner for coal mills that is easy to assemble. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provide a high-efficiency wear-resistant lining plate for a coal mill which is easy to assemble.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-efficiency wear-resistant lining plate of a coal mill that is easy to assemble, comprising: a power mechanism, the power mechanism comprising a base, a battery is arranged on the base, a pad is arranged on the battery, a motor is arranged on the pad, a fixing ring is arranged on the outer surface of the motor, a power converter is arranged at one end of the motor, a docking rod is arranged on the side of the power converter away from the motor, a rotating gear is arranged at the end of the docking rod away from the power converter, fixing frames are arranged at both ends of the rotating gear, the rotating gear is docked with a rotating mechanism, the rotating mechanism comprises a docking gear, a roller is arranged in the docking gear, a concave-convex inner groove is arranged on the inner surface of the roller, protective pads are arranged on both sides of the outer surface of the roller located on the docking gear, and docking tubes are arranged at both ends of the roller.

[0006] As a preferred embodiment, a limiting mechanism is provided on the outer surface of the butt joint, and the limiting mechanism includes a support plate, an outer ring is provided on the support plate, a shaft ball is provided in the outer ring, and an inner ring is provided on the side of the shaft ball away from the outer ring.

[0007] As a preferred embodiment, the inner surface of the inner ring is nested in the outer surface of the docking tube, the outer surface of the shaft ball is limited in the inner ring and the outer ring for rolling adjustment, the outer surface of the outer ring is nested in the support plate, and one end of the support plate is fixedly connected to the base.

[0008] As a preferred embodiment, the battery is placed on the base, the pad is laid on the outer surface of the battery, the motor is placed on the pad, and the inner surface of the fixing ring is wrapped around the outer surface of the motor and fixed on the pad.

[0009] As a preferred embodiment, the two sides of the power converter are respectively docked with the motor and one end of the docking rod, the end of the docking rod away from the power converter is docked with the rotating gear, and the two ends of the rotating gear are limited on the fixed frame for rotation.

[0010] As a preferred implementation, one end of the docking tube is docked on the drum, the inner surface of the docking gear is nested in the outer surface of the drum, and the inner surface of the protective gasket ring is nested in the outer surface of the drum.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] The utility model drives the rotating gear to rotate through the power converter and the docking rod, observes the rotation of the drum, ensures the normal operation of the protective gasket ring and the docking gear, reduces wear and vibration, regularly checks the wear of each component, and promptly cleans and replaces worn or damaged components to ensure efficient operation of the equipment, achieve the expected wear-resistant effect and performance standards, and improve the working efficiency and service life of the coal mill. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model provides a structural schematic diagram of a high-efficiency wear-resistant liner for a coal mill which is easy to assemble.

[0014] Figure 2 The utility model provides a schematic diagram of the power mechanism structure of a high-efficiency wear-resistant liner of a coal mill which is easy to assemble.

[0015] Figure 3 The utility model provides a schematic diagram of the structure of a rotating mechanism of a high-efficiency wear-resistant liner of a coal mill which is easy to assemble.

[0016] Figure 4 The utility model provides a schematic diagram of the structure of a limiting mechanism for a high-efficiency wear-resistant liner of a coal mill which is easy to assemble.

[0017] Legend:

[0018] 1. Power mechanism; 11. Base; 12. Battery; 13. Pad; 14. Motor; 15. Fixing ring; 16. Power converter; 17. Docking rod; 18. Fixing frame; 19. Rotating gear;

[0019] 2. Rotating mechanism; 21. Roller; 22. Concave and convex inner groove; 23. Butt joint pipe; 24. Butt joint gear; 25. Protective washer;

[0020] 3. Limiting mechanism; 31. Support plate; 32. Outer ring; 33. Shaft ball; 34. Inner ring. DETAILED DESCRIPTION

[0021] In order to more clearly illustrate the overall concept of the utility model, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0022] It should be noted that many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0023] In addition, in the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. However, if it is indicated as a direct connection, it means that the two connected bodies are not connected through an intermediate structure, but are connected to form a whole only through a connecting structure. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" 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 utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0026] Example 1

[0027] like Figure 1-3 As shown, the utility model provides a technical solution: a high-efficiency wear-resistant lining plate for a coal mill that is easy to assemble, comprising: a power mechanism 1, the power mechanism 1 comprises a base 11, a battery 12 is arranged on the base 11, a pad 13 is arranged on the battery 12, a motor 14 is arranged on the pad 13, a fixing ring 15 is arranged on the outer surface of the motor 14, a power converter 16 is arranged at one end of the motor 14, a docking rod 17 is arranged on the side of the power converter 16 away from the motor 14, a rotating gear 19 is arranged at the end of the docking rod 17 away from the power converter 16, fixing frames 18 are arranged at both ends of the rotating gear 19, the rotating gear 19 is docked with a rotating mechanism 2, the rotating mechanism 2 comprises a docking gear 24, a roller 21 is arranged in the docking gear 24, and a concave-convex inner groove is arranged on the inner surface of the roller 21 22. The outer surface of the drum 21 is provided with protective gaskets 25 on both sides of the docking gear 24. Both ends of the drum 21 are provided with docking tubes 23. The battery 12 is placed on the base 11. The pad 13 is laid on the outer surface of the battery 12. The motor 14 is placed on the pad 13. The inner surface of the fixing ring 15 is wrapped around the outer surface of the motor 14 and fixed on the pad 13. The two sides of the power converter 16 are respectively docked with the motor 14 and one end of the docking rod 17. The end of the docking rod 17 away from the power converter 16 is docked with the rotating gear 19. The two ends of the rotating gear 19 are limited on the fixed frame 18 for rotation. One end of the docking tube 23 is docked with the drum 21. The inner surface of the docking gear 24 is nested in the outer surface of the drum 21. The inner surface of the protective gasket 25 is nested in the outer surface of the drum 21.

[0028] In this embodiment, the battery 12 is placed on the base 11, and the pad 13 is laid to provide a stable foundation, and then the motor 14 is placed on the pad 13 and fixed with a fixing ring 15. Next, one end of the power converter 16 is docked on the motor 14, and the other end is docked on the docking rod 17, and the other end of the docking rod 17 is connected to the rotating gear 19 to ensure that it rotates freely on the fixed frame 18. Then, one end of the docking pipe 23 is connected to the two ends of the drum 21, and the docking gear 24 is nested in the outer surface of the drum 21 to ensure that its inner surface is docked with the concave and convex inner groove 22, and then the protective pad ring 25 is nested on both sides of the outer surface of the drum 21. After the installation is completed, a preliminary test is carried out to ensure that the power mechanism 1 and the rotating mechanism 2 operate smoothly. Start the motor 14, drive the rotating gear 19 to rotate through the power converter 16 and the docking rod 17, observe the rotation of the drum 21, and ensure that the protective pad ring 25 and the docking gear 24 work normally to reduce wear and vibration. Regularly check the wear of each component, and clean and replace worn or damaged parts in a timely manner to ensure efficient operation of the equipment, achieve the expected wear resistance and performance standards, and improve the working efficiency and service life of the coal mill.

[0029] Example 2

[0030] like Figure 1-4 As shown, a limiting mechanism 3 is provided on the outer surface of the butt joint 23, and the limiting mechanism 3 includes a support plate 31, an outer ring 32 is provided on the support plate 31, an axial ball 33 is provided in the outer ring 32, an inner ring 34 is provided on the side of the axial ball 33 away from the outer ring 32, the inner surface of the inner ring 34 is nested in the outer surface of the butt joint 23, the outer surface of the axial ball 33 is limited in the inner ring 34 and the outer ring 32 for rolling adjustment, the outer surface of the outer ring 32 is nested in the support plate 31, and one end of the support plate 31 is fixedly connected to the base 11.

[0031] In this embodiment, the limiting mechanism 3 is installed, the inner ring 34 is nested in the outer surface of the docking tube 23, the outer surface of the shaft ball 33 is limited in the inner ring 34 and the outer ring 32 for rolling adjustment, the outer surface of the outer ring 32 is nested in the support plate 31, and one end of the support plate 31 is fixedly connected to the base 11. After the installation is completed, a preliminary test is carried out to ensure that the power mechanism 1, the rotating mechanism 2 and the limiting mechanism 3 operate smoothly. Start the motor 14, drive the rotating gear 19 to rotate through the power converter 16 and the docking rod 17, observe the rotation of the drum 21, ensure that the protective washer 25, the docking gear 24 and the limiting mechanism 3 work normally, and the shaft ball 33 rolls smoothly in the inner ring 34 and the outer ring 32 to reduce wear and vibration.

[0032] Working principle:

[0033] like Figure 1-4As shown, the battery 12 is placed on the base 11 to provide power support, the pad 13 is laid on the battery 12 to increase stability, and the motor 14 is installed on the pad 13 and fixed by the fixing ring 15. The motor 14 transmits power to the docking rod 17 through the power converter 16, driving the rotating gear 19 to rotate, and the rotating gear 19 is installed on the fixing frame 18 to ensure free rotation. The rotating mechanism 2 includes a docking gear 24, a roller 21, a concave-convex inner groove 22, a protective gasket 25 and a docking pipe 23. One end of the docking pipe 23 connects the two ends of the roller 21, the docking gear 24 is nested in the outer surface of the roller 21, and the inner surface is docked with the concave-convex inner groove 22. The protective gasket 25 is nested on both sides of the outer surface of the roller 21 to provide protection. The limiting mechanism 3 includes a support plate 31, an outer ring 32, a shaft ball 33 and an inner ring 34. The inner ring 34 is nested on the outer surface of the butt joint tube 23. The shaft ball 33 rolls between the inner ring 34 and the outer ring 32. The outer ring 32 is nested in the support plate 31. The support plate 31 is fixed on the base 11. The shaft ball 33 ensures the stability of the butt joint tube 23 by rolling adjustment to reduce vibration and wear. When the ball mill is running, the motor 14 drives the rotating gear 19 to rotate through the power converter 16 and the docking rod 17, thereby driving the drum 21 to rotate. The grinding medium in the drum 21 impacts and grinds the material. The material enters the drum 21 through the inlet and is discharged from the outlet after grinding. The protective pad ring 25 and the docking gear 24 jointly protect the drum 21. The shaft ball 33 of the limiting mechanism 3 rolls between the inner ring 34 and the outer ring 32 to maintain stability. Through reasonable structural design and the use of the limiting mechanism 3, the stability and wear resistance of the system in a high-intensity working environment are ensured, and each component is regularly inspected and maintained, and damaged or worn components are replaced in time. The high-efficiency wear-resistant lining of the coal mill which is easy to assemble realizes an efficient material grinding process through the coordinated work of the power mechanism 1, the rotating mechanism 2 and the limiting mechanism 3, ensures long-term stable and efficient operation of the equipment, and improves the working efficiency and service life of the coal mill.

[0034] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0035] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, 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. An efficient wear-resistant lining plate for a coal mill that is easy to assemble, characterized in that: include: A power mechanism (1), the power mechanism (1) comprising a base (11), a battery (12) being arranged on the base (11), a pad (13) being arranged on the battery (12), a motor (14) being arranged on the pad (13), a fixing ring (15) being arranged on the outer surface of the motor (14), a power converter (16) being arranged at one end of the motor (14), a docking rod (17) being arranged on a side of the power converter (16) away from the motor (14), and a docking rod (17) being arranged on a side of the power converter (16) away from the motor (14). A rotating gear (19) is arranged at one end, and fixing frames (18) are arranged at both ends of the rotating gear (19). The rotating gear (19) is docked with a rotating mechanism (2), and the rotating mechanism (2) comprises a docking gear (24). A roller (21) is arranged in the docking gear (24), and a concave-convex inner groove (22) is arranged on the inner surface of the roller (21). Protective gaskets (25) are arranged on both sides of the docking gear (24) on the outer surface of the roller (21), and docking pipes (23) are arranged at both ends of the roller (21).

2. The high-efficiency wear-resistant lining plate for coal mill that is easy to assemble according to claim 1 is characterized in that: A limiting mechanism (3) is arranged on the outer surface of the butt joint pipe (23), and the limiting mechanism (3) comprises a support plate (31), an outer ring (32) is arranged on the support plate (31), a shaft bead (33) is arranged in the outer ring (32), and an inner ring (34) is arranged on the side of the shaft bead (33) away from the outer ring (32).

3. The high-efficiency wear-resistant lining plate for coal mill that is easy to assemble according to claim 2 is characterized in that: The inner surface of the inner ring (34) is nested in the outer surface of the butt tube (23); the outer surface of the shaft ball (33) is limited in the inner ring (34) and the outer ring (32) for rolling adjustment; the outer surface of the outer ring (32) is nested in the support plate (31); one end of the support plate (31) is fixedly connected to the base (11).

4. The high-efficiency wear-resistant lining plate for coal mill that is easy to assemble according to claim 1 is characterized in that: The battery (12) is placed on the base (11), the pad (13) is laid on the outer surface of the battery (12), the motor (14) is placed on the pad (13), and the inner surface of the fixing ring (15) is wrapped around the outer surface of the motor (14) and fixed on the pad (13).

5. The high-efficiency wear-resistant lining plate for coal mill that is easy to assemble according to claim 1 is characterized in that: The two sides of the power converter (16) are respectively docked with the motor (14) and one end of the docking rod (17); the end of the docking rod (17) away from the power converter (16) is docked with the rotating gear (19); and the two ends of the rotating gear (19) are limited on the fixing frame (18) for rotation.

6. The high-efficiency wear-resistant lining plate for coal mill that is easy to assemble according to claim 1 is characterized in that: One end of the docking tube (23) is docked on the drum (21), the inner surface of the docking gear (24) is embedded in the outer surface of the drum (21), and the inner surface of the protective gasket ring (25) is embedded in the outer surface of the drum (21).