Coal mine fully mechanized coal mining face end mining coal cleaning device

Abstract

The utility model relates to the technical field of coal mining equipment, in particular to a coal mine fully mechanized coal mining face end mining coal cleaning device which comprises a coal shoveling plate, mounting blocks are symmetrically and fixedly mounted at the upper end of the coal shoveling plate, rectangular holes are formed in the two mounting blocks, a cross rod is arranged between the two mounting blocks, and the cross rod is connected with the mounting blocks. The two ends of the cross rod are installed in the rectangular holes through elastic assemblies, a plurality of impact rods are fixedly installed on the lower surface of the cross rod, a driving motor is installed on the coal shoveling plate, a rotating disc is assembled on an output shaft of the driving motor, and a plurality of check blocks are fixedly installed on the rotating disc. In the coal shoveling process, the driving motor, the rotating disc, the check block, the transverse rod and the elastic assembly are matched with one another to drive the impact rods to impact the upper end of the coal shoveling plate, so that the impact rods vibrate, a coal mine adhered to the coal shoveling plate is separated from the coal shoveling plate, excessive coal mines are prevented from being adsorbed on the coal shoveling plate, and normal use of the coal shoveling plate is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining equipment, in particular to a coal mining working face end-of-mining coal cleaning device. Background Art

[0002] After the comprehensive mining working face is fully mined, a coal mining machine needs to sweep the bottom. After the coal mining machine sweeps the bottom, there is still a large amount of floating coal between the scraper conveyor chute and the stack-type support. When cleaning these floating coals, a coal cleaning device is needed to clean them.

[0003] A Chinese patent with publication number CN218780347U discloses an automatic coal cleaning device for the end-of-mining through-hole of a fully mechanized mining face, comprising a mounting seat, a first drive assembly, a load-bearing arm, a coal shoveling plate, a coal return plate, and a second drive assembly. The bottom end of the mounting seat is used to be mounted on the rocker arm of a coal mining machine, and the top end of the mounting seat is rotatably connected to the load-bearing arm via a rotating shaft; the fixed end of the first drive assembly is rotatably mounted on the mounting seat via a rotating shaft... The first drive assembly drives the coal shoveling plate to shovel out the floating coal from the chute of a scraper conveyor to the stack-type support, and the second drive assembly drives the coal return plate to gather the surrounding floating coal, thereby achieving automatic cleaning.

[0004] When coal is mined, it is in a wet state and thus has a certain viscosity. In the above patent document, when the coal shovel board comes into contact with the coal, the coal may adhere to the coal shovel board. During the cleaning process, more and more coal will be adsorbed on the coal shovel board, which will affect the use of the coal shovel board. Utility Model Content

[0005] The purpose of the utility model is to solve the following shortcomings in the prior art: when the coal shovel plate contacts with the coal, the coal may adhere to the coal shovel plate. During the cleaning process, more and more coal will be adsorbed on the coal shovel plate, which will affect the use of the coal shovel plate. A coal cleaning device for the end of mining at the comprehensive mining working face of a coal mine is proposed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A coal cleaning device for a fully mechanized coal mining face at the end of mining in a coal mine comprises a coal shoveling plate, a mounting block is symmetrically fixedly mounted on the upper end of the coal shoveling plate, two mounting blocks are respectively provided with a rectangular hole, a cross bar is arranged between the two mounting blocks, and both ends of the cross bar are respectively mounted in the rectangular hole through an elastic component;

[0008] A plurality of impact rods are fixedly mounted on the lower surface of the cross bar, a driving motor is mounted on the coal shoveling plate, a rotating disk is mounted on the output shaft of the driving motor, a plurality of blocks are fixedly mounted on the rotating disk, and the plurality of blocks are arranged in a circle on the rotating disk.

[0009] Preferably, movable holes are provided at both ends of the cross bar, and the elastic component includes a vertical rod vertically slidably inserted in the movable hole and a strong spring sleeved on the vertical rod. The vertical rod is vertically fixed in the rectangular hole, and the strong spring is located below the cross bar, and its two ends are respectively fixedly connected to the lower surface of the cross bar and the inner wall of the rectangular hole.

[0010] Preferably, a rectangular cavity is provided in the coal shoveling plate, a plurality of air outlet holes connected to the rectangular cavity are provided on the surface of the coal shoveling plate, the plurality of air outlet holes are arranged inclined downward, and an inflation component for inflating the rectangular cavity is provided on the coal shoveling plate.

[0011] Preferably, an aeration groove is provided at the upper end of the coal shoveling plate, and an air inlet hole connected to the aeration groove is provided at the side of the coal shoveling plate. The aeration component includes a push plate that slides in the aeration groove in a sealed manner and a connecting rod that is fixedly installed on the upper surface of the push plate. One end of the connecting rod away from the push plate is fixedly connected to one end of the cross bar, and a connecting hole is provided between the aeration groove and the rectangular cavity.

[0012] Preferably, an air inlet pipe is fixedly installed in the air inlet hole, a first one-way valve is arranged in the air inlet pipe for only allowing gas to flow from the outside to the inflation groove, and a second one-way valve is arranged in the connecting hole for only allowing gas to flow from the inflation groove to the rectangular cavity.

[0013] Preferably, a sealing gasket is fixedly mounted on the surface of the push plate, and a side wall of the sealing gasket is in sliding contact with an inner wall of the inflation groove.

[0014] In the utility model, the beneficial effects are:

[0015] 1. In the process of shoveling coal, the driving motor, rotating disk, block, cross bar and elastic component cooperate with each other to continuously drive multiple impact rods to hit the upper end of the coal shoveling plate, causing it to vibrate. Under the action of vibration, the coal adhering to the coal shoveling plate can be separated from the coal shoveling plate, avoiding excessive adsorption of coal on the coal shoveling plate, and ensuring the normal use of the coal shoveling plate;

[0016] 2. When the crossbar moves up and down, gas can be sprayed on the surface of the coal shoveling plate through the cooperation of the rectangular cavity, the air outlet and the inflation component, which further facilitates the separation of the coal mine and the coal shoveling plate. At the same time, the sprayed gas can cool the coal mine, avoiding the increase of the temperature of the coal mine during the coal shoveling process and reducing safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural diagram of a coal mine fully-mechanized mining face end-of-mining coal cleaning device proposed by the utility model;

[0018] Figure 2It is a three-dimensional structural schematic diagram of a coal shoveling plate in a coal mining cleaning device at the end of mining in a fully mechanized mining working face proposed by the utility model;

[0019] Figure 3 It is a schematic diagram of a three-dimensional partial cross-sectional structure of a coal shoveling plate in a coal mining face end-of-mining cleaning device proposed by the utility model;

[0020] Figure 4 for Figure 2 A magnified view of the structure at center;

[0021] Figure 5 for Figure 3 A magnified view of the structure at B in the middle;

[0022] Figure 6 for Figure 3 Enlarged view of the structure at point C in the middle.

[0023] In the figure: 1 coal shoveling plate, 2 mounting block, 3 cross bar, 4 impact rod, 5 driving motor, 6 rotating disk, 7 stopper, 8 vertical rod, 9 strong spring, 10 rectangular cavity, 11 air outlet, 12 charging groove, 13 push plate, 14 connecting rod, 15 air inlet pipe. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Reference Figure 1-Figure 6 A coal cleaning device for a coal mine fully mechanized working face comprises a coal shoveling plate 1, a mounting block 2 is symmetrically fixedly mounted on the upper end of the coal shoveling plate 1, two mounting blocks 2 are respectively provided with rectangular holes, a cross bar 3 is provided between the two mounting blocks 2, both ends of the cross bar 3 are installed in the rectangular hole through elastic components, both ends of the cross bar 3 are provided with moving holes, the elastic components comprise a vertical rod 8 vertically slidably inserted in the moving hole and a strong spring 9 sleeved on the vertical rod 8, the vertical rod 8 is vertically fixedly mounted in the rectangular hole, the strong spring 9 is located below the cross bar 3, and both ends are respectively fixedly connected to the lower surface of the cross bar 3 and the inner wall of the rectangular hole.

[0026] The two ends of the cross bar 3 are installed in two rectangular holes opened on the mounting block 2 through the vertical rod 8. Under the limit of the rectangular holes, the cross bar 3 can move up and down. When the cross bar 3 moves vertically upward, it will drive the strong spring 9 to stretch.

[0027] A plurality of impact rods 4 are fixedly mounted on the lower surface of the cross bar 3, a driving motor 5 is mounted on the coal shoveling plate 1, a rotating disk 6 is mounted on the output shaft of the driving motor 5, a plurality of blocks 7 are fixedly mounted on the rotating disk 6, and the plurality of blocks 7 are arranged in a circle on the rotating disk 6.

[0028] When the driving motor 5 is started, the rotating disk 6 can be driven to rotate. During the rotation of the rotating disk 6, multiple blocks 7 will be driven to rotate around the output shaft of the driving motor 5. During the rotation, the block 7 will contact the cross bar 3. When the block 7 contacts the cross bar 3, the cross bar 3 will be driven to move vertically upward. At this time, the two ends of the cross bar 3 will drive the strong spring 9 to stretch, and at the same time, the cross bar 3 drives multiple impact rods 4 to move away from the coal shovel board 1. Since the cross bar 3 moves vertically upward, the block 7 rotates with the rotating disk 6. When the cross bar 3 is about to move to the uppermost end of the rectangular hole, the block 7 will separate from the cross bar 3. At this time, under the action of the elastic force of the strong spring 9, the cross bar 3 will drive multiple impact rods 4 to move vertically downward rapidly, and the multiple impact rods 4 will hit the coal shovel board 1, causing it to vibrate. Under the action of vibration, the coal ore adhering to the coal shovel board 1 can be separated from the coal shovel board 1, avoiding excessive adsorption of coal ore on the coal shovel board 1, and ensuring the normal use of the coal shovel board 1.

[0029] A rectangular cavity 10 is provided in the coal shoveling plate 1 , and a plurality of air outlet holes 11 connected to the rectangular cavity 10 are provided on the surface of the coal shoveling plate 1 . The plurality of air outlet holes 11 are arranged to be inclined downward, and an inflation component for inflating the rectangular cavity 10 is provided on the coal shoveling plate 1 .

[0030] The inflation component can continuously inflate gas into the rectangular cavity 10, and the injected gas will be ejected through the air outlet 11. Since the air outlet 11 is arranged to be inclined downward, the ejected gas will produce an oblique downward impact force on the coal adhering to the coal shoveling plate 1, thereby facilitating the separation of the coal from the coal shoveling plate 1. At the same time, the ejected gas can cool down the coal, thereby avoiding the increase in the temperature of the coal during the coal shoveling process and reducing safety hazards.

[0031] An air filling groove 12 is provided at the upper end of the coal shoveling plate 1, and an air inlet hole connected to the air filling groove 12 is provided on the side of the coal shoveling plate 1. The air filling component includes a push plate 13 that is sealed and slides in the air filling groove 12 and a connecting rod 14 that is fixedly installed on the upper surface of the push plate 13. The end of the connecting rod 14 away from the push plate 13 is fixedly connected to one end of the cross bar 3. A connecting hole is provided between the air filling groove 12 and the rectangular cavity 10. An air inlet pipe 15 is fixedly installed in the air inlet hole. A first one-way valve that only allows gas to flow from the outside into the air filling groove 12 is provided in the air inlet pipe 15, and a second one-way valve that only allows gas to flow from the air filling groove 12 into the rectangular cavity 10 is provided in the connecting hole.

[0032] When the cross bar 3 moves vertically upward, it will drive the push plate 13 to move upward in the inflation groove 12 through the connecting rod 14. At this time, the gas will be sucked into the inflation groove 12 through the air inlet pipe 15. When the cross bar 3 moves vertically downward, it will drive the push plate 13 to move vertically downward. At this time, the push plate 13 will squeeze the gas in the inflation groove 12 into the rectangular cavity 10, so that gas will be ejected from the air outlet 11.

[0033] A sealing gasket is fixedly installed on the surface of the push plate 13, and the side wall of the sealing gasket is in sliding contact with the inner wall of the inflation groove 12. The sealing gasket ensures the sealing between the push plate 13 and the inflation groove 12, and ensures that the push plate 13 can drive the gas flow in the inflation groove 12 during the movement.

[0034] In the utility model, during the process of shoveling coal, the driving motor 5 drives the rotating disk 6 to rotate. During the rotation of the rotating disk 6, the stopper 7 drives the cross bar 3 to move up and down between the two mounting blocks 2, thereby driving multiple impact rods 4 to continuously impact the coal shoveling plate 1, causing it to vibrate. Under the action of the vibration, the coal adhered to the coal shoveling plate 1 can be separated from the coal shoveling plate 1, avoiding excessive adsorption of coal on the coal shoveling plate 1, and ensuring the normal use of the coal shoveling plate 1.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A coal cleaning device for a fully mechanized coal mining face, comprising a coal shoveling plate (1), characterized in that: The upper end of the coal shoveling plate (1) is symmetrically fixedly mounted with a mounting block (2), and the two mounting blocks (2) are each provided with a rectangular hole, and a cross bar (3) is provided between the two mounting blocks (2), and both ends of the cross bar (3) are mounted in the rectangular hole via an elastic component; A plurality of impact rods (4) are fixedly mounted on the lower surface of the cross bar (3); a driving motor (5) is mounted on the coal shoveling plate (1); a rotating disk (6) is mounted on the output shaft of the driving motor (5); a plurality of blocks (7) are fixedly mounted on the rotating disk (6); and the plurality of blocks (7) are arranged in a circular pattern on the rotating disk (6).

2. The coal cleaning device for the fully mechanized mining face of a coal mine according to claim 1, characterized in that: Both ends of the cross bar (3) are provided with movable holes, and the elastic component comprises a vertical rod (8) vertically slidably inserted in the movable hole and a strong spring (9) sleeved on the vertical rod (8), the vertical rod (8) is vertically fixedly installed in the rectangular hole, the strong spring (9) is located below the cross bar (3), and the two ends are respectively fixedly connected to the lower surface of the cross bar (3) and the inner wall of the rectangular hole.

3. The coal cleaning device for the fully mechanized mining face of a coal mine according to claim 1, characterized in that: A rectangular cavity (10) is provided in the coal shoveling plate (1), a plurality of air outlet holes (11) are provided on the surface of the coal shoveling plate (1), and the plurality of air outlet holes (11) are arranged obliquely downward. An air charging component for charging air into the rectangular cavity (10) is provided on the coal shoveling plate (1).

4. The coal cleaning device for the fully mechanized mining face of a coal mine according to claim 3, characterized in that: An air filling groove (12) is provided at the upper end of the coal shoveling plate (1), and an air inlet hole connected to the air filling groove (12) is provided on the side of the coal shoveling plate (1). The air filling component comprises a push plate (13) sealingly sliding in the air filling groove (12) and a connecting rod (14) fixedly mounted on the upper surface of the push plate (13), and one end of the connecting rod (14) away from the push plate (13) is fixedly connected to one end of the cross bar (3), and a connecting hole is provided between the air filling groove (12) and the rectangular cavity (10).

5. A coal cleaning device for coal mine fully mechanized mining working face according to claim 4, characterized in that: An air intake pipe (15) is fixedly installed in the air intake hole, a first one-way valve is arranged in the air intake pipe (15) and only allows gas to flow from the outside to the inflation groove (12), and a second one-way valve is arranged in the connecting hole and only allows gas to flow from the inflation groove (12) to the rectangular cavity (10).

6. The coal cleaning device for the fully mechanized mining face of a coal mine according to claim 4, characterized in that: A sealing gasket is fixedly mounted on the surface of the push plate (13), and the side wall of the sealing gasket is in sliding contact with the inner wall of the inflation groove (12).

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