Tire type grinding roller structure of bowl type medium-speed coal mill

Abstract

The utility model discloses a tire-type grinding roller structure of a bowl-type medium-speed coal mill, which comprises a tire-type grinding roller, two connecting components are symmetrically and fixedly connected inside the tire-type grinding roller along the center, a shaft roller body is connected inside the tire-type grinding roller through the connecting components, and a mounting groove is arranged on one side of the upper surface of the shaft roller body. According to the scheme, the tire type grinding roller structure is provided with the connecting assembly and the limiting groove, when the type of the shaft roller body is smaller than the type connected with the tire type grinding roller, the shaft roller body to be connected stretches into the center of the interior of the tire type grinding roller, then the limiting groove is right opposite to the limiting connecting rod, and then the hydraulic telescopic rod is started; according to the device, the hydraulic telescopic rod is driven by the hydraulic telescopic rod to drive the limiting connecting rod to move until the limiting connecting rod is moved into the limiting groove, then the shaft roller body can be fixed into the tire type grinding roller, the separation phenomenon is avoided, the hydraulic telescopic rod has the automatic telescopic function, and therefore the device can adapt to shaft roller bodies of various types, and the adaptability of the device is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of bowl-type medium-speed coal mills, and more specifically, to a tire-type grinding roller structure of a bowl-type medium-speed coal mill. Background Art

[0002] Bowl-type medium-speed coal mill is a device used for grinding and pulverizing coal. It is usually composed of a bowl-shaped grinding disc, a bowl-shaped grinding roller, a conveying device, an electric motor, a reducer, etc. The coal is ground into fine powder by the grinding disc and grinding roller inside the equipment, and then output or further processed through the conveying device.

[0003] For example, CN117696182A discloses a bowl-type medium-speed coal mill tire-type grinding roller device, the main points of its technical solution are: it includes a coal mill body, a driving structure is installed at the bottom end of the coal mill body, a grinding disc is arranged inside the coal mill body, a grinding roller is arranged above the grinding disc, a plurality of grinding rollers are arranged, a cleaning component is arranged at the top of each grinding roller, each grinding roller is fixedly installed at the bottom end of a tripod, a lubrication component is arranged inside the tripod, a hydraulic pull rod is installed at the bottom end of the tripod, wherein the cleaning component includes a cleaning head arranged at the top end of the grinding roller, the cleaning heads are evenly arranged, and the top end of each cleaning head is slidably installed on the connecting The inner wall of the tube, each of the connecting tubes is fixedly mounted on the bottom end of the second connecting plate, and the second connecting plate is slidably mounted on the inner wall of the tripod through a moving component; it is mainly through the setting of the cleaning component that it can contact the bottom end of the cleaning head during the rotation of the grinding roller, and the surface of the grinding roller tire is cleaned by the cleaning head, thereby avoiding the accumulation of dirt on the surface of the grinding roller tire due to the adhesion of coal powder or other materials. The dirt may affect the normal operation of the grinding roller, thereby increasing the friction resistance during the operation of the equipment, and indirectly affecting the safety of the equipment. Cleaning the surface of the grinding roller tire is not only conducive to reducing the friction resistance during the operation of the equipment, but also helps to improve the safety of the equipment.

[0004] The tire grinding roller structure of the above-mentioned bowl-type medium-speed coal mill still has certain shortcomings: since the shaft roller model connected to the tire grinding roller structure is fixed, once the shaft roller model is smaller than the model adapted by the tire grinding roller structure, the shaft roller and the tire grinding roller structure will be separated, thereby affecting the operation of the tire grinding roller structure. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a tire-type grinding roller structure of a bowl-type medium-speed coal mill to solve the problems existing in the prior art.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a tire grinding roller structure of a bowl-type medium-speed coal mill, comprising a tire grinding roller, the interior of the tire grinding roller is symmetrically fixedly connected with two connecting components along the center, the interior of the tire grinding roller is connected to a shaft roller body through the connecting components, one side of the upper surface of the shaft roller body is provided with a mounting groove, the interior of the mounting groove is inlaid with a bearing, one side of the upper surface of the shaft roller body is connected with a scraping component through the bearing, and the surface of the shaft roller body is symmetrically provided with a plurality of limit grooves along the center.

[0007] There are several limit grooves, and the limit grooves are equally divided into two groups. The cross-sectional area of ​​the limit grooves is smaller than the cross-sectional area of ​​the installation grooves.

[0008] Wherein, the scraping assembly includes a hydraulic lifting rod and a support rod, the top end of the hydraulic lifting rod is detachably mounted with the support rod, and the bottom end of the hydraulic lifting rod is adapted to the inside of the bearing.

[0009] One end of the support rod is fixedly connected with an arc-shaped scraper, and the lower surface of the arc-shaped scraper is in contact with the upper surface of the tire grinding roller.

[0010] Wherein, the connection assembly includes a stable connection ring and a stable base, and the inner wall of the stable connection ring is fixedly connected to a plurality of stable bases in a circular array.

[0011] There are several stable bases, which are equally divided into two groups, and the surface of the stable connecting ring is connected to one side of the inside of the tire grinding roller.

[0012] Among them, a hydraulic telescopic rod is fixedly connected to the lower surface of the stable base, and a limiting connecting rod is fixedly connected to the bottom end of the hydraulic telescopic rod. The surface of the limiting connecting rod is adapted to the interior of the limiting groove, and the length of the limiting connecting rod is the same as the depth of the limiting groove.

[0013] The beneficial effects of the above technical solution of the utility model are as follows:

[0014] 1. In the above scheme, the tire-type grinding roller structure is provided with a connecting assembly and a limiting groove. When the model of the shaft roller body is smaller than the model connected to the tire-type grinding roller, the shaft roller body to be connected is extended to the center of the tire-type grinding roller, and then the limiting groove is directly opposite to the limiting connecting rod, and then the hydraulic telescopic rod is started to drive the limiting connecting rod to move until the limiting connecting rod is moved to the inside of the limiting groove, so that the shaft roller body can be fixed inside the tire-type grinding roller to avoid separation. Because the hydraulic telescopic rod has the function of automatic extension and retraction, it can adapt to various models of shaft roller bodies, thereby enhancing the adaptability of the device;

[0015] 2. In the above scheme, the tire grinding roller structure is provided with mounting grooves and bearings. Before the tire grinding roller starts working, the scraping assembly is held and rotated to an ideal position to avoid contact between the scraping assembly and the material to be processed. Because the scraping assembly is connected to the shaft roller body through the bearing and the mounting groove, it can freely adjust its own direction, thereby facilitating the operation of the tire grinding roller and also facilitating the cleaning of the surface of the tire grinding roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the assembly of the tire-type grinding roller and the shaft roller body of the utility model;

[0018] Figure 3 It is a schematic diagram of the assembly of the shaft roller body and the scraping component of the utility model;

[0019] Figure 4 This is a schematic diagram of the disassembly of the connection components of the utility model.

[0020] [reference numerals]

[0021] 1. Tire grinding roller; 2. Connecting assembly; 3. Shaft roller body; 4. Mounting groove; 5. Bearing; 6. Scraping assembly; 7. Limiting groove; 21. Stable connecting ring; 22. Stable base; 23. Hydraulic telescopic rod; 24. Limiting connecting rod; 61. Hydraulic lifting rod; 62. Support rod; 63. Arc scraper. DETAILED DESCRIPTION

[0022] In order to make the technical problems to be solved, technical solutions and advantages of the present invention more clear, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0023] Embodiment 1:

[0024] See also Figure 1-4 A tire grinding roller structure of a bowl-type medium-speed coal mill comprises a tire grinding roller 1, wherein two connecting components 2 are fixedly connected symmetrically along the center of the tire grinding roller 1, wherein the tire grinding roller 1 is connected to a shaft roller body 3 through the connecting component 2, wherein a mounting groove 4 is provided on one side of the upper surface of the shaft roller body 3, wherein a bearing 5 is embedded and installed in the mounting groove 4, wherein a scraping component 6 is connected to one side of the upper surface of the shaft roller body 3 through the bearing 5, and wherein a plurality of limiting grooves 7 are provided symmetrically along the center of the surface of the shaft roller body 3;

[0025] The number of the limiting grooves 7 is several, and the several limiting grooves 7 are equally divided into two groups. The cross-sectional area of ​​the limiting grooves 7 is smaller than the cross-sectional area of ​​the mounting groove 4. The scraping assembly 6 includes a hydraulic lifting rod 61 and a support rod 62. The top of the hydraulic lifting rod 61 is detachably mounted with the support rod 62. The bottom end of the hydraulic lifting rod 61 is adapted to the inside of the bearing 5. One end of the support rod 62 is fixedly connected with an arc scraper 63. The lower surface of the arc scraper 63 is in contact with the upper surface of the tire grinding roller 1. The connecting assembly 2 includes a stable connecting ring 21 and a stable base. 22. The inner wall of the stable connecting ring 21 is fixedly connected with a plurality of stable bases 22 in a circular array. The number of the stable bases 22 is several, and the several stable bases 22 are equally divided into two groups. The surface of the stable connecting ring 21 is connected to one side of the inside of the tire grinding roller 1. The lower surface of the stable base 22 is fixedly connected with a hydraulic telescopic rod 23. The bottom end of the hydraulic telescopic rod 23 is fixedly connected with a limiting connecting rod 24. The surface of the limiting connecting rod 24 is adapted to the inside of the limiting groove 7, and the length of the limiting connecting rod 24 is the same as the depth of the limiting groove 7.

[0026] Benefits: The provision of the scraping assembly 6 is helpful in cleaning the substances adhered to the surface of the tire grinding roller 1, thereby facilitating the use of the tire grinding roller 1.

[0027] The working process of the utility model is as follows:

[0028] When the tire-type grinding roller structure is in use, in order to enhance the adaptability of the device, a connecting component 2 and a limiting groove 7 are provided. When the model of the shaft roller body 3 is smaller than the model connected to the tire-type grinding roller 1, the shaft roller body 3 to be connected is extended to the center of the tire-type grinding roller 1, and then the limiting groove 7 is aligned with the limiting connecting rod 24, and then the hydraulic telescopic rod 23 is started to drive the limiting connecting rod 24 to move until the limiting connecting rod 24 is moved to the inside of the limiting groove 7, so that the shaft roller body 3 can be fixed inside the tire-type grinding roller 1 to avoid separation. Because the hydraulic telescopic rod 23 has the function of automatic telescoping, it can adapt to various models of shaft roller bodies 3 to enhance the adaptability of the device.

[0029] In the above scheme, the tire grinding roller structure is provided with a mounting groove 4 and a bearing 5 when in use so as not to affect the operation of the tire grinding roller 1. Before the tire grinding roller 1 starts to work, the scraping assembly 6 is held and rotated to an ideal position to avoid contact between the scraping assembly 6 and the material to be processed. Because the scraping assembly 6 is connected to the shaft roller body 3 through the bearing 5 and the mounting groove 4, it can freely adjust its own direction, thereby facilitating the operation of the tire grinding roller 1 and also facilitating the cleaning of the surface of the tire grinding roller 1.

[0030] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0031] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0032] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit 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 tire-type grinding roller structure for a bowl-type medium-speed coal mill, comprising a tire-type grinding roller (1), characterized in that: Two connecting components (2) are fixedly connected in a symmetrical manner along the center of the tire-type grinding roller (1); the interior of the tire-type grinding roller (1) is connected to a shaft roller body (3) through the connecting components (2); a mounting groove (4) is provided on one side of the upper surface of the shaft roller body (3); a bearing (5) is embedded and installed in the mounting groove (4); a scraping component (6) is connected to one side of the upper surface of the shaft roller body (3) through the bearing (5); and a plurality of limiting grooves (7) are provided on the surface of the shaft roller body (3) symmetrically along the center.

2. The tire-type grinding roller structure of the bowl-type medium-speed coal mill according to claim 1 is characterized in that: The number of the limiting grooves (7) is several, and the several limiting grooves (7) are equally divided into two groups, and the cross-sectional area of ​​the limiting grooves (7) is smaller than the cross-sectional area of ​​the installation groove (4).

3. The tire-type grinding roller structure of the bowl-type medium-speed coal mill according to claim 1 is characterized in that: The scraping assembly (6) comprises a hydraulic lifting rod (61) and a support rod (62); the support rod (62) is detachably mounted on the top end of the hydraulic lifting rod (61); and the bottom end of the hydraulic lifting rod (61) is adapted to the inside of the bearing (5).

4. The tire-type grinding roller structure of the bowl-type medium-speed coal mill according to claim 3 is characterized in that: One end of the support rod (62) is fixedly connected to an arc-shaped scraper (63), and the lower surface of the arc-shaped scraper (63) is in contact with the upper surface of the tire grinding roller (1).

5. The tire-type grinding roller structure of the bowl-type medium-speed coal mill according to claim 1 is characterized in that: The connection assembly (2) comprises a stable connection ring (21) and a stable base (22), and the inner wall of the stable connection ring (21) is fixedly connected to a plurality of stable bases (22) in a circular array.

6. The tire-type grinding roller structure of the bowl-type medium-speed coal mill according to claim 5 is characterized in that: The number of the stable bases (22) is several, and the several stable bases (22) are equally divided into two groups. The surface of the stable connection ring (21) is connected to one side of the inside of the tire grinding roller (1).

7. The tire-type grinding roller structure of the bowl-type medium-speed coal mill according to claim 5 is characterized in that: A hydraulic telescopic rod (23) is fixedly connected to the lower surface of the stable base (22), and a limit connecting rod (24) is fixedly connected to the bottom end of the hydraulic telescopic rod (23). The surface of the limit connecting rod (24) is adapted to the interior of the limit groove (7), and the length of the limit connecting rod (24) is the same as the depth of the limit groove (7).

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