Anti-blocking coal drying and crushing device

By using grinding blocks and heating layers made of boron carbide in the coal crushing device for grinding and drying, and combining this with the adjustment components to adjust the angle of the auger conveyor, the problems of easy clogging in the coal crushing device and fixed angle of the auger are solved, thus improving the convenience and efficiency of transportation.

CN224009996UActive Publication Date: 2026-03-20ZAOZHUANG MINING (GRP) JINING DAIZHUANG COAL IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing coal crushing equipment is prone to clogging, and traditional screw conveyor devices cannot change the conveying angle according to needs, resulting in reduced ease of use.

Method used

A coal drying and crushing device for preventing blockage was designed. It uses grinding blocks and heating layers made of boron carbide material for grinding and drying, and the angle of the auger conveyor can be adjusted by adjusting the components.

Benefits of technology

It effectively prevents blockages, improves crushing efficiency, and enhances the flexibility and convenience of the conveying device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of coal crushing, and provides an anti-blocking coal drying and crushing device which comprises a bottom plate, one side of the top of the bottom plate is fixedly connected with a plurality of supporting legs, and the upper ends of the supporting legs are fixedly connected with a polishing box; according to the anti-blocking coal drying and crushing device, the output shaft can drive the grinding block to further grind coal in the grinding gap, and due to the fact that the grinding layer and the filling layer on the outer layer of the grinding block are made of boron carbide materials, the anti-blocking coal drying and crushing device has the advantages of being high in hardness, low in density, good in abrasion resistance and the like. According to the coal grinding device, coal can be efficiently ground, a heating layer can heat a grinding layer while grinding is conducted, then the ground coal can be dried, an adjusting assembly is arranged, a motor drives a threaded rod to rotate, and an inner threaded sleeve slides in the direction of the threaded rod under limitation of a rotating block; the auger conveying device can be pushed to rotate with the rotating shaft as the center, and angle adjustment of the auger conveying device is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to coal crushing technical field, especially a kind of anti-clogging coal drying and crushing device. BACKGROUND

[0002] Coal mine is the area that human extracts coal resources in coal-rich mining area, generally divided into underground coal mine and open coal mine. When coal seam is far from the ground surface, generally select to excavate roadway in underground to extract coal, this is underground coal mine. When the distance between coal seam and ground surface is very close, generally select to directly strip ground surface soil layer and excavate coal, this is open coal mine. Most of coal mines in China belong to underground coal mine.

[0003] At present, after coal mining, for the convenience of transportation, large size coal block is often crushed, so that it is more easy to transport, in the prior art, crushing roller is usually used to crush coal, crushed coal is discharged through discharge port, and during discharging, due to mutual extrusion between coal, blocking may occur, thereby affecting normal discharge of discharge port, in addition, traditional conveying device is generally auger conveying device, but the device is generally fixedly arranged and cannot change conveying angle according to requirement, so that convenience in use is greatly discounted, therefore, we provide a kind of anti-clogging coal drying and crushing device. UTILITARIAN CONTENT

[0004] (I) technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides a kind of anti-clogging coal drying and crushing device, solve after coal mining, for the convenience of transportation, large size coal block is often crushed, so that it is more easy to transport, in the prior art, crushing roller is usually used to crush coal, crushed coal is discharged through discharge port, and during discharging, due to mutual extrusion between coal, blocking may occur, thereby affecting normal discharge of discharge port, in addition, traditional conveying device is generally auger conveying device, but the device is generally fixedly arranged and cannot change conveying angle according to requirement, so that convenience in use is greatly discounted.

[0006] (II) technical scheme

[0007] To achieve the above object, the utility model is realized by the following technical scheme:

[0008] The utility model provides a kind of anti-clogging coal drying and crushing device, including bottom plate, the top side of bottom plate is fixedly connected with a plurality of support legs, the upper end of a plurality of support legs is fixedly connected with polishing box, the top of polishing box is fixedly connected with pulverizer, the inside of pulverizer is installed with pulverizing device, the bottom middle position of polishing box is fixedly connected with discharge channel, the outside of discharge channel is fixedly connected with telescopic connecting sleeve, the bottom end of telescopic connecting sleeve is fixedly connected with auger conveyor, the lower side between auger conveyor and bottom plate is provided with adjusting assembly, the both sides of one end of auger conveyor are fixedly connected with pivot, and auger conveyor is rotatably connected with support leg by pivot.

[0009] Preferably, one end of the pulverizing device is fixedly connected with a sprocket set, the bottom end of the sprocket set is fixedly connected with an output shaft, the middle part of the output shaft is fixedly connected with a polishing block, the both ends of the output shaft are rotatably connected with the polishing box through bearings, the inside bottom of the polishing box is fixedly connected with a filler layer, a polishing gap is provided between the filler layer and the polishing block, a discharge port is provided at the middle part of the bottom of the polishing box, the discharge channel corresponds to the discharge port, the polishing block can be divided into two layers, the outer layer is a polishing layer, and the inner layer is a heating layer.

[0010] The technical effect of the above further scheme is that the pulverizing device operates at the same time, the output shaft is driven to rotate by the sprocket set, the polishing block drives the coal in the polishing gap to be further ground, and the heating layer can heat the polishing layer at the same time to dry the ground coal.

[0011] Preferably, the filler layer and the polishing layer are made of boron carbide material.

[0012] The technical effect of the above further scheme is that the boron carbide material has the characteristics of high hardness, low density and good wear resistance, and can efficiently polish the coal.

[0013] Preferably, the adjusting assembly includes a mounting block, the mounting block is fixedly connected to the top side of the bottom plate, a rotating rod is rotatably connected to the middle part of the mounting block, an installation seat is fixedly connected to the outside of the rotating rod, a motor is fixedly installed on the top of the installation seat, a threaded rod is drivingly connected to the output end of the motor, an internally threaded sleeve is threadedly connected to the outside of the threaded rod, a rotating block is rotatably connected to the top of the internally threaded sleeve, and the rotating block is fixedly connected to the auger conveyor.

[0014] The technical effect of the further scheme is that the height of the Long Dragon conveying device can be adjusted by the adjusting assembly, specifically, the motor drives the threaded rod to rotate, the inner threaded sleeve slides along the direction of the threaded rod under the limitation of the rotating block, the Long Dragon conveying device can be rotated around the rotating shaft, and the angle adjustment of the Long Dragon conveying device is realized.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The chain wheel set, output shaft, polishing block, polishing layer, heating layer, filling layer and polishing gap are arranged, the output shaft can drive the polishing block to further grind the coal in the polishing gap, the polishing layer and the filling layer of the outer layer of the polishing block are made of boron carbide material, have high hardness, low density and good wear resistance, and can efficiently polish the coal, and the heating layer can heat the polishing layer to dry the polished coal.

[0018] 2. The adjusting assembly is arranged, the motor drives the threaded rod to rotate under the cooperation of the mounting block, rotating rod, mounting seat, motor, threaded rod, inner threaded sleeve and rotating block, the inner threaded sleeve slides along the direction of the threaded rod under the limitation of the rotating block, the Long Dragon conveying device can be rotated around the rotating shaft, and the angle adjustment of the Long Dragon conveying device is realized. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the content of the specification can be implemented, the following is a preferred example of the utility model and the detailed description of the drawings.

[0020] Figure 1 It is a three-dimensional structure schematic view of the embodiment of the utility model;

[0021] Figure 2 It is a cross-sectional structure schematic view of the crushing box and the polishing box in the embodiment of the utility model;

[0022] Figure 3 It is a cross-sectional structure schematic view of the crushing box and the polishing box in the embodiment of the utility model; Figure 1 It is a structure schematic view of the adjusting assembly in the middle A;

[0023] Figure 4 It is a cross-sectional structure schematic view of the polishing block in the embodiment of the utility model.

[0024] Legend: 1, bottom plate; 101, support leg; 102, pivot; 2, polishing box; 3, crushing box; 301, crushing device; 302, sprocket set; 303, output shaft; 304, polishing block; 3041, polishing layer; 3042, heating layer; 305, filling layer; 306, polishing gap; 307, discharge port; 308, discharge channel; 4, auger conveying device; 5, telescopic connecting sleeve; 6, adjusting assembly; 61, mounting block; 62, rotating rod; 63, mounting seat; 64, motor; 65, threaded rod; 66, internally threaded sleeve; 67, rotating block. DETAILED DESCRIPTION

[0025] The coal drying and crushing device of the application can effectively prevent blockage. The output shaft drives the polishing block to further grind the coal in the polishing gap. The polishing layer and the filling layer of the polishing block are made of boron carbide material, which has the characteristics of high hardness, low density and good wear resistance. The coal can be efficiently polished, and the polishing layer can be heated by the heating layer to dry the polished coal. The adjusting assembly is provided. The motor drives the threaded rod to rotate, and the internally threaded sleeve slides along the direction of the threaded rod under the limitation of the rotating block. The auger conveying device is rotated around the pivot to adjust the angle of the auger conveying device.

[0026] Embodiment 1

[0027] The technical solution in the application effectively solves the problem that large-size coal blocks are crushed for easy transportation after coal mining. In the prior art, a crushing roller is usually used to crush coal. The crushed coal is discharged through the discharge port. During the discharging process, the coal may be blocked due to mutual extrusion, which affects the normal discharge of the discharge port. In addition, the conventional conveying device is generally an auger conveying device, but the device is generally fixed and cannot change the conveying angle according to the needs, which greatly reduces the convenience in use. The overall idea is as follows:

[0028] As Figures 1 to 4The utility model provides a kind of anti-clogging coal drying and crushing device, to the problems in prior art, the utility model provides a kind of anti-clogging coal drying and crushing device, including bottom plate 1, the top side of bottom plate 1 is fixedly connected with multiple support legs 101, the upper end of multiple support legs 101 is fixedly connected with polishing box 2, the top of polishing box 2 is fixedly connected with pulverizer 3, and the inside of pulverizer 3 is installed with pulverizing device 301, the bottom middle position of polishing box 2 is fixedly connected with discharge channel 308, the outside of discharge channel 308 is fixedly connected with telescopic connecting sleeve 5, the bottom end of telescopic connecting sleeve 5 is fixedly connected with auger conveyor 4, and the lower side of one side of auger conveyor 4 is provided with adjusting assembly 6 between bottom plate 1, the both sides of one end of auger conveyor 4 are fixedly connected with rotating shaft 102, and auger conveyor 4 is rotatably connected with support leg 101 by rotating shaft 102, one end of pulverizing device 301 is fixedly connected with sprocket set 302, the bottom end of sprocket set 302 is fixedly connected with output shaft 303, the middle part of output shaft 303 is fixedly connected with polishing block 304, the both ends of output shaft 303 are rotatably connected with polishing box 2 by bearing, the inside bottom of polishing box 2 is fixedly connected with filling layer 305, and polishing gap 306 is arranged between filling layer 305 and polishing block 304, the bottom middle position of filling layer 305 and polishing box 2 is provided with discharge port 307, discharge channel 308 corresponds with discharge port 307, polishing block 304 can be divided into two layers, the outer layer is polishing layer 3041, and the inner layer is heating layer 3042, filling layer 305 and polishing layer 3041 are made of boron carbide material.

[0029] By adopting the above technical scheme, the pulverizing device 301 can preliminarily pulverize the coal, the pulverized coal enters the inside of the polishing box 2 and falls in the polishing gap 306 between the polishing block 304 and the filling layer 305, and the output shaft 303 can drive the polishing block 304 to further grind the coal in the polishing gap 306 while the pulverizing device 301 is running, since the polishing layer 3041 on the outer layer of the polishing block 304 and the filling layer 305 are made of boron carbide material, they have the characteristics of high hardness, low density and good wear resistance, and can efficiently polish the coal, and the heating layer 3042 can heat the polishing layer 3041 and dry the polished coal, the heating method of the heating layer 3042 is electromagnetic heating, which is the prior art, the dried and fully pulverized coal enters the inside of the discharge channel 308 through the discharge port 307, and then enters the inside of the auger conveyor 4 through the telescopic connecting sleeve 5 for conveying.

[0030] Example 2

[0031] As Figures 1 to 4The adjusting assembly 6 comprises a mounting block 61 fixedly connected to one side of the top of the bottom plate 1, a rotating rod 62 rotatably connected to the middle of the mounting block 61, a mounting seat 63 fixedly connected to the outside of the rotating rod 62, a motor 64 fixedly installed at the top of the mounting seat 63, a threaded rod 65 drivingly connected to the output end of the motor 64, an internally-threaded sleeve 66 threadedly connected to the outside of the threaded rod 65, and a rotating block 67 rotatably connected to the top of the internally-threaded sleeve 66, wherein the rotating block 67 is fixedly connected to the auger conveyor 4.

[0032] By adopting the above technical scheme, the adjusting assembly 6 can be used to adjust the conveying height of the auger conveyor 4, specifically, the motor 64 drives the threaded rod 65 to rotate, the internally-threaded sleeve 66 slides along the threaded rod 65 under the limitation of the rotating block 67, and the auger conveyor 4 is driven to rotate around the rotating shaft 102, so that the angle of the auger conveyor 4 is adjusted.

[0033] Working principle: in use, the crushing device 301 can preliminarily crush the coal, the crushed coal enters the inside of the polishing box 2 and falls in the polishing gap 306 between the polishing block 304 and the filling layer 305, the crushing device 301 drives the output shaft 303 to rotate through the sprocket set 302, and the output shaft 303 drives the polishing block 304 to further grind the coal in the polishing gap 306, since the polishing layer 3041 on the outer layer of the polishing block 304 and the filling layer 305 are made of boron carbide material and have the characteristics of high hardness, low density and good wear resistance, the polishing block 304 can efficiently polish the coal, the heating layer 3042 can heat the polishing layer 3041 and dry the polished coal, the heating mode of the heating layer 3042 is electromagnetic heating which is the prior art, the dried and fully crushed coal enters the inside of the discharging channel 308 through the discharging port 307, and then enters the inside of the auger conveyor 4 through the telescopic connecting sleeve 5, the adjusting assembly 6 can be used to adjust the conveying height of the auger conveyor 4, specifically, the motor 64 drives the threaded rod 65 to rotate, the internally-threaded sleeve 66 slides along the threaded rod 65 under the limitation of the rotating block 67, and the auger conveyor 4 is driven to rotate around the rotating shaft 102, so that the angle of the auger conveyor 4 is adjusted.

[0034] Finally, it should be noted that: obviously, the above embodiments are only examples for clearly illustrating the present application, and are not intended to limit the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the embodiments. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A coal drying and crushing device for preventing blockage, comprising a bottom plate (1), characterized in that: Multiple support legs (101) are fixedly connected to the top side of the base plate (1). A grinding box (2) is fixedly connected to the upper end of the multiple support legs (101). A crushing box (3) is fixedly connected to the top of the grinding box (2). A crushing device (301) is installed inside the crushing box (3). A discharge channel (308) is fixedly connected to the middle position of the bottom of the grinding box (2). A telescopic connecting sleeve (5) is fixedly connected to the outside of the discharge channel (308). A screw conveyor (4) is fixedly connected to the bottom end of the telescopic connecting sleeve (5). An adjustment component (6) is provided between the bottom side of the screw conveyor (4) and the base plate (1). A rotating shaft (102) is fixedly connected to both sides of one end of the screw conveyor (4). The screw conveyor (4) is rotatably connected to the support legs (101) through the rotating shaft (102).

2. The anti-clogging coal drying and crushing device as described in claim 1, characterized in that: One end of the crushing device (301) is fixedly connected to a sprocket assembly (302), the bottom end of the sprocket assembly (302) is fixedly connected to an output shaft (303), the middle part of the output shaft (303) is fixedly connected to a grinding block (304), and the two ends of the output shaft (303) are rotatably connected to the grinding box (2) through bearings.

3. The anti-clogging coal drying and crushing device as described in claim 2, characterized in that: A filling layer (305) is fixedly connected to the bottom of the grinding box (2). A grinding gap (306) is provided between the filling layer (305) and the grinding block (304). A discharge port (307) is provided at the middle of the bottom of the filling layer (305) and the grinding box (2). The discharge channel (308) corresponds to the discharge port (307).

4. The anti-clogging coal drying and crushing device as described in claim 3, characterized in that: The polishing block (304) can be divided into two layers: the outer layer is the polishing layer (3041) and the inner layer is the heating layer (3042).

5. The anti-clogging coal drying and crushing device as described in claim 3, characterized in that: The filler layer (305) and the polishing layer (3041) are made of boron carbide material.

6. The anti-clogging coal drying and crushing device as described in claim 1, characterized in that: The adjustment component (6) includes a mounting block (61), which is fixedly connected to the top side of the base plate (1). A rotating rod (62) is rotatably connected to the middle of the mounting block (61), and a mounting base (63) is fixedly connected to the outside of the rotating rod (62).

7. The anti-clogging coal drying and crushing device as described in claim 6, characterized in that: A motor (64) is fixedly installed on the top of the mounting base (63). The output end of the motor (64) is connected to a threaded rod (65). An internal threaded sleeve (66) is connected to the external thread of the threaded rod (65). A rotating block (67) is rotatably connected to the top of the internal threaded sleeve (66). The rotating block (67) is fixedly connected to the auger conveyor (4).