Continuous miner crushing device for coal mining

By designing a crushing device with support arms and hydraulic control, the problem of the continuous mining machine being unable to telescope in a narrow mine is solved, flexible position and height adjustment is achieved, and working efficiency is improved.

CN223227367UActive Publication Date: 2025-08-15TIANJIN SHARP TOOTH MACHINERY EQUIPMENT REPAIR CO LTD
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Patent Information

Application Number
CN202422628929.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-08-15
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

The existing continuous mining machine crushing mechanism cannot be extended and retracted independently, resulting in inefficient working in narrow mines.

Method used

A continuous mining machine crushing device including a support arm, an adjustment mechanism and a crushing mechanism is designed. The flexible movement of the support arm and crushing components is achieved through the control of the hydraulic rod, allowing the crushing device to flexibly adjust its position and height in the mine.

Benefits of technology

It improves the flexibility and working efficiency of continuous mining machines in the mine, making it convenient for construction operations in narrow spaces.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of coal mining, and discloses a continuous mining machine crushing device for coal mining, which comprises support arms symmetrically arranged front and back, a connecting plate is fixedly connected between the two support arms close to the side surfaces, an adjusting mechanism is arranged below the two support arms, and a crushing mechanism is arranged on the left side of the connecting plate; the adjusting mechanism comprises an adjusting part and a connecting part, the adjusting part is located below the supporting arm, and the connecting part is located below the adjusting part; the crushing mechanism comprises a moving part and a crushing part, the moving part is located on the left side of the connecting plate, and the crushing part is located on the left side of the moving part. A second hydraulic rod is started, a supporting block is driven to move, two moving rods and two moving plates are driven to move, the supporting block drives two fixing blocks to move, the two fixing blocks drive a first crushing column and a second crushing column to move, then the positions of the crushing columns can be independently moved, and construction under a mine is facilitated; the flexibility and the working efficiency of the device are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of coal mining, in particular to a continuous miner crushing device used in coal mining. Background Art

[0002] In my country's underground coal mining, the efficiency of fully mechanized mining is gradually increasing with the continuous advancement of mechanization, automation, and intelligence. Continuous miners are essential for underground coal mining. These machines are integrated tunneling and shortwall mining equipment, combining cutting, traveling, transporting, and spray dust suppression. Continuous miners consist of a cutting mechanism, loading and transporting mechanism, traveling mechanism, hydraulic system, electrical system, cooling spray dust removal device, and safety protection devices.

[0003] Most of the existing continuous miners' crushing mechanisms cannot be independently extended and retracted forward and backward, causing many inconveniences in narrow mines and reducing work efficiency.

[0004] Therefore, a continuous miner crushing device for coal mining is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a continuous miner crushing device used in coal mining to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a continuous miner crushing device for coal mining, comprising support arms symmetrically arranged front and rear, a connecting plate fixedly connected between the two support arms near the sides, an adjustment mechanism provided below the two support arms, and a crushing mechanism provided on the left side of the connecting plate;

[0007] The adjustment mechanism includes an adjustment portion and a connecting portion, wherein the adjustment portion is located below the support arm and the connecting portion is located below the adjustment portion;

[0008] The crushing mechanism includes a moving part and a crushing part, the moving part is located on the left side of the connecting plate, and the crushing part is located on the left side of the moving part.

[0009] Preferably, the adjustment part includes a first connecting block symmetrically arranged front to back, the left sides of the two first connecting blocks are provided with a connecting groove, the inner walls of the two connecting grooves are hinged to the right end sides of the two support arms respectively, the middle bottom surfaces of the two support arms are provided with a hinge groove, and a first hydraulic rod is provided under the two support arms, the upper end sides of the two first hydraulic rods are hinged to the inner walls of the two hinge grooves respectively, the right sides of the two first connecting blocks are fixedly connected to the continuous miner, and the first hydraulic rod is provided to facilitate adjusting the height of the left end of the support arm.

[0010] Preferably, the connecting part includes hinge blocks symmetrically arranged front and back, the top surfaces of the two hinge blocks are fixedly connected to the lower end surfaces of the two first hydraulic rods respectively, a second connecting block is arranged below the two hinge blocks, the side surfaces of the two second connecting blocks are hinged to the inner walls of the two hinge blocks respectively, the bottom surfaces of the two second connecting blocks are fixedly connected to the continuous miner, and the second connecting block is arranged so that the hinge block can rotate.

[0011] Preferably, the movable part includes a second hydraulic rod, the right end face of the second hydraulic rod is fixedly connected to the left side face of the connecting plate, a movable groove is provided inside the two support arms, a movable plate is provided inside the two movable grooves, and the side faces of the two movable plates are respectively slidably connected to the inner walls of the two movable grooves, and the movable grooves are provided to limit the movable plates.

[0012] Preferably, the left sides of the two movable plates are fixedly connected to movable rods, the outer side surfaces of the left ends of the two movable rods slide through the inner walls of the left ends of the two movable grooves and extend to the left sides of the two support arms, the left sides of the two movable rods are fixedly connected to support blocks, the middle right side of the support block is fixedly connected to the left end face of the second hydraulic rod, the left side face of the support block is symmetrically fixedly connected to fixed blocks in the front and rear, and the second hydraulic rod drives the support block to move.

[0013] Preferably, the crushing part includes a supporting circular box symmetrically arranged in the front and rear directions, the outer side surfaces of the two supporting circular boxes are fixedly connected to the left sides of the two fixed blocks respectively, and the outer side surfaces of the two supporting circular boxes are fixedly sleeved with a semicircular crushing bar, the rear end inner wall of the front supporting circular box is fixedly connected to a dual-axis motor, and the front and rear end surfaces of the dual-axis motor output rod are fixedly connected to a rotating shaft, and the rear end outer side surface of the rear shaft rotates through the rear end inner wall of the front supporting circular box and the front side surface of the rear supporting circular box in turn to extend to the rear of the rear supporting circular box, and the front end outer side surface of the front rotating shaft rotates through the second bearing seat to extend to the front of the front supporting circular box, and the semicircular crushing bar is provided to crush the coal mine.

[0014] Preferably, a second crushing column is arranged between the two supporting circular boxes, and the inner wall of the second crushing column is fixedly connected to the outer side surface of the rear rotating shaft. A first crushing column is arranged on the far side of the two supporting circular boxes, and the inner walls of the two first crushing columns are fixedly connected to the outer side surface of the rotating shaft. The outer side surfaces of the first crushing column and the second crushing column are both fixedly connected with multiple crushing heads. The first crushing column, the second crushing column and the multiple crushing heads are arranged to quickly crush the coal mine.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the continuous mining machine crushing device used in coal mining is

[0016] 1. By activating the second hydraulic rod provided on the moving part, the second hydraulic rod drives the support block to move, which in turn drives the two moving rods and two moving plates to move. The two moving rods and two moving plates move to limit the support block, which in turn drives the two fixed blocks to move. The fixed blocks drive the first and second crushing columns on the left to move, thereby facilitating the independent movement of the crushing columns, facilitating construction work below the mine, and improving the flexibility and working efficiency of the device.

[0017] 2. By opening the two first hydraulic rods of the adjustment part, the two first hydraulic rods drive the two support arms to rotate, so as to adjust the height of the left end of the support arm, and then adjust the height of the crushing part, so as to facilitate the device to mine coal in the upper and lower positions and improve the flexibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall three-dimensional front view of the utility model;

[0019] Figure 2 This is a three-dimensional front sectional view of the support arm of the utility model;

[0020] Figure 3 For this utility model Figure 1 Enlarged stereogram of area A in the middle;

[0021] Figure 4 This is a three-dimensional right side schematic diagram of the crushing part of the utility model;

[0022] Figure 5 It is a three-dimensional left side sectional view of the crushing part of the utility model.

[0023] In the figure: 1 supporting arm, 101 connecting plate, 2 adjusting mechanism, 201 first connecting block, 202 first hydraulic rod, 203 hinge block, 204 second connecting block, 3 crushing mechanism, 301 second hydraulic rod, 302 moving plate, 303 moving rod, 304 supporting block, 305 fixed block, 306 supporting circular box, 307 semicircular crushing bar, 308 dual-axis motor, 309 rotating shaft, 310 first crushing column, 311 second crushing column, 312 crushing head. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example 1

[0025] Combine Figure 1-Figure 5 A continuous miner crushing device used in coal mining comprises support arms 1 symmetrically arranged front and rear, a connecting plate 101 fixedly connected between the two support arms 1 near the sides, an adjustment mechanism 2 provided below the two support arms 1, and a crushing mechanism 3 provided on the left side of the connecting plate 101;

[0026] The adjusting mechanism 2 includes an adjusting portion and a connecting portion, the adjusting portion is located below the supporting arm 1, the adjusting portion includes a first connecting block 201 symmetrically arranged front and back, the left sides of the two first connecting blocks 201 are provided with connecting grooves, the inner walls of the two connecting grooves are respectively hinged to the right end sides of the two supporting arms 1, the middle bottom surfaces of the two supporting arms 1 are provided with hinge grooves, and a first hydraulic rod 202 is provided below the two supporting arms 1, the upper end sides of the two first hydraulic rods 202 are respectively hinged to the inner walls of the two hinge grooves, and the right sides of the two first connecting blocks 201 are fixedly connected to the continuous mining machine, and the connecting portion is located below the adjusting portion. The connecting portion includes a hinge block 203 symmetrically arranged front and back, the top surfaces of the two hinge blocks 203 are respectively fixedly connected to the lower end surfaces of the two first hydraulic rods 202, and a second connecting block 204 is provided below the two hinge blocks 203, the sides of the two second connecting blocks 204 are respectively hinged to the inner walls of the two hinge blocks 203, and the bottom surfaces of the two second connecting blocks 204 are fixedly connected to the continuous mining machine; Example 2

[0027] See Figure 1-Figure 5The second hydraulic rod 301 is fixedly connected to the left side of the connecting plate 101, and the second hydraulic rod 301 has a right end surface fixedly connected to the left side of the connecting plate 101. The two supporting arms 1 are provided with a moving groove, and the two moving grooves are provided with a moving plate 302. The side surfaces of the two moving plates 302 are respectively slidably connected to the inner walls of the two moving grooves. The left sides of the two moving plates 302 are fixedly connected to the moving rod 303. The outer sides of the left ends of the two moving rods 303 slide through the inner walls of the left ends of the two moving grooves and extend to the left sides of the two supporting arms 1. The left sides of the two moving rods 303 are fixedly connected to the supporting blocks 304. The middle right side of the supporting block 304 is fixedly connected to the left end surface of the second hydraulic rod 301. The left side of the supporting block 304 is symmetrically fixedly connected to the fixed block 305 front and back. The crushing part is located on the left side of the moving part. The crushing part includes a supporting round box 306 symmetrically arranged front and back. The outer sides of the two supporting round boxes 306 are respectively connected to the left and right sides of the two fixed blocks 305 The sides are fixedly connected, and the outer sides of the two supporting round boxes 306 are fixedly sleeved with semicircular crushing bars 307. The inner wall of the rear end of the front supporting round box 306 is fixedly connected to the dual-axis motor 308. The front and rear end surfaces of the output rod of the dual-axis motor 308 are fixedly connected to the rotating shaft 309. The outer side surface of the rear end of the rear rotating shaft 309 rotates through the first bearing seat in turn, passes through the inner wall of the rear end of the front supporting round box 306 and the front side of the rear supporting round box 306, and extends to the rear of the rear supporting round box 306. The outer side surface of the front end of the front rotating shaft 309 passes through the second bearing seat. The seat rotates through the inner wall of the front end of the front support circular box 306 and extends to the front of the front support circular box 306. A second crushing column 311 is arranged between the two support circular boxes 306. The inner wall of the second crushing column 311 is fixedly connected to the outer side of the rear rotating shaft 309. The two support circular boxes 306 are each provided with a first crushing column 310 on the far side. The inner walls of the two first crushing columns 310 are fixedly connected to the outer side of the rotating shaft 309. The outer side of the first crushing column 310 and the outer side of the second crushing column 311 are both fixedly connected with multiple crushing heads 312.

[0028] During actual operation, the dual-axis motor 308 is turned on to drive the rotating shaft 309 to rotate, and the rotating shaft 309 drives the first crushing column 310, the two second crushing columns 311 and the multiple crushing heads 312 to rotate for coal mining. When it is necessary to move forward and backward, the second hydraulic rod 301 is turned on, and the second hydraulic rod 301 drives the support block 304 to move. The support block 304 drives the two moving rods 303 and the two moving plates 302 to move. The two moving rods 303 and the two moving plates 302 limit the support block 304, and the support block 304 drives the two fixed blocks 305 to move. The fixed block 305 drives the first crushing column 310 and the second crushing column 311 on the left to move, thereby facilitating the independent movement of the crushing column position and facilitating construction under the mine. When it is necessary to move up and down, the two first hydraulic rods 202 are turned on, and the two first hydraulic rods 202 drive the two support arms 1 to rotate, so that the height of the left end of the support arm 1 can be adjusted, and then the height of the crushing part can be adjusted, which facilitates the device to mine coal in the upper and lower positions and improves the flexibility of the device.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A continuous miner crushing device for coal mining, comprising support arms (1) symmetrically arranged front and rear, characterized in that: A connecting plate (101) is fixedly connected between the two support arms (1) and close to the side surface. An adjusting mechanism (2) is provided below the two support arms (1). A crushing mechanism (3) is provided on the left side of the connecting plate (101). The adjusting mechanism (2) comprises an adjusting portion and a connecting portion, the adjusting portion is located below the support arm (1), and the connecting portion is located below the adjusting portion; The crushing mechanism (3) comprises a moving part and a crushing part, the moving part is located on the left side of the connecting plate (101), and the crushing part is located on the left side of the moving part.

2. The continuous miner crushing device for coal mining according to claim 1, characterized in that: The adjustment portion comprises a first connecting block (201) symmetrically arranged front to back, a connecting groove being provided on the left side of each of the two first connecting blocks (201), the inner walls of the two connecting grooves being hinged to the right side surfaces of the two support arms (1) respectively, a hinge groove being provided on the middle bottom surfaces of each of the two support arms (1), a first hydraulic rod (202) being provided below each of the two support arms (1), the upper side surfaces of the two first hydraulic rods (202) being hinged to the inner walls of the two hinge grooves respectively, and the right sides of the two first connecting blocks (201) being fixedly connected to the continuous miner.

3. The continuous miner crushing device for coal mining according to claim 2, characterized in that: The connecting portion comprises hinge blocks (203) symmetrically arranged front and back, the top surfaces of the two hinge blocks (203) being fixedly connected to the lower end surfaces of the two first hydraulic rods (202) respectively, a second connecting block (204) being arranged below the two hinge blocks (203), the side surfaces of the two second connecting blocks (204) being hinged to the inner walls of the two hinge blocks (203) respectively, and the bottom surfaces of the two second connecting blocks (204) being fixedly connected to the continuous miner.

4. The continuous miner crushing device for coal mining according to claim 1, characterized in that: The movable portion comprises a second hydraulic rod (301), the right end face of the second hydraulic rod (301) is fixedly connected to the left side face of the connecting plate (101), a movable groove is provided inside the two support arms (1), a movable plate (302) is provided inside the two movable grooves, and the side faces of the two movable plates (302) are respectively slidably connected to the inner walls of the two movable grooves.

5. The continuous miner crushing device for coal mining according to claim 4, characterized in that: The left sides of the two movable plates (302) are fixedly connected to movable rods (303), the outer side surfaces of the left ends of the two movable rods (303) slide through the inner walls of the left ends of the two movable grooves and extend to the left sides of the two support arms (1), the left sides of the two movable rods (303) are fixedly connected to support blocks (304), the middle right side of the support block (304) is fixedly connected to the left end face of the second hydraulic rod (301), and the left side of the support block (304) is symmetrically fixedly connected to a fixed block (305) in the front and rear directions.

6. The continuous miner crushing device for coal mining according to claim 5, characterized in that: The crushing part comprises a supporting circular box (306) symmetrically arranged in front and back, the outer side surfaces of the two supporting circular boxes (306) are respectively fixedly connected to the left sides of the two fixing blocks (305), and the outer side surfaces of the two supporting circular boxes (306) are fixedly sleeved with a semicircular crushing bar (307). The rear end inner wall of the front supporting circular box (306) is fixedly connected to a dual-axis motor (308), and the front and rear end surfaces of the output rod of the dual-axis motor (308) are fixedly connected to a rotating shaft (309). The rear end outer side surface of the rear rotating shaft (309) rotates through the rear end inner wall of the front supporting circular box (306) and the front side surface of the rear supporting circular box (306) in turn, extending to the rear of the rear supporting circular box (306). The front end outer side surface of the front rotating shaft (309) rotates through the front end inner wall of the front supporting circular box (306) through the second bearing seat, extending to the front of the front supporting circular box (306).

7. The continuous miner crushing device for coal mining according to claim 6, characterized in that: A second crushing column (311) is provided between the two supporting circular boxes (306), and the inner wall of the second crushing column (311) is fixedly connected to the outer side of the rear rotating shaft (309). A first crushing column (310) is provided on the distal side of the two supporting circular boxes (306), and the inner walls of the two first crushing columns (310) are fixedly connected to the outer side of the rotating shaft (309). A plurality of crushing heads (312) are fixedly connected to the outer side of the first crushing column (310) and the outer side of the second crushing column (311).