Gangue-preventing side protection device for triangular coal area of thick coal seam of coal mine

Abstract

The utility model relates to the technical field of coal mining protection, in particular to a coal mine thick coal seam triangular coal area gangue-preventing side protection device which comprises a frame, the bottom of the frame is fixedly connected with a bottom plate, the interior of the frame is fixedly connected with a baffle, one side of the baffle is fixedly connected with a first reinforcing plate, and the other side of the baffle is fixedly connected with a second reinforcing plate. A second reinforcing plate is fixedly connected to the bottom of the first reinforcing plate, connecting plates are fixedly connected to the ends of the first reinforcing plate and the second reinforcing plate, and connecting screws are in threaded connection with the interiors of the connecting plates. The utility model has the advantages that the first reinforcing plate and the second reinforcing plate can be clamped on one side, close to the bottom, of the frame, the first reinforcing plate and the second reinforcing plate can be fixed on the frame through the connecting plate and the connecting screws, and gangues with general sizes can be in contact with the baffle provided with the first reinforcing plate and the second reinforcing plate; the first reinforcing plate and the second reinforcing plate can enhance the strength of the bottom of the baffle, and the protection strength of the baffle is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining protection, in particular to a gangue side protection device for a triangular coal area in a thick coal seam of a coal mine. Background Art

[0002] The so-called thick coal seam refers to a coal seam that is more than 3.5 meters deep in underground mining and more than 10 meters deep in open-pit mining. The fifteen frames in front of the coal machine form a triangle with the coal wall. The coal retained in this place is called triangular coal. Triangular coal areas often appear in coal mines. When the mine has an upward slope, the remaining coal and gangue are easy to roll down, and protective devices are usually set on the sidewalks.

[0003] Most of the existing gangue protection devices are frames composed of wire mesh, and the structure is relatively simple. Usually, the protection device is directly connected to the column by screws. Although this method can fix the protection net well, the holes in the column will affect the stability of the column itself. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art, solve the problems mentioned in the background technology, and provide a gangue-proof side protection device for the triangular coal area of ​​a thick coal seam in a coal mine.

[0006] The purpose of the utility model is achieved through the following technical solutions: a gangue side protection device for a triangular coal area in a thick coal seam of a coal mine, comprising a frame, a bottom plate is fixedly connected to the bottom of the frame, a baffle is fixedly connected to the inside of the frame, a first reinforcing plate is fixedly connected to one side of the baffle, a second reinforcing plate is fixedly connected to the bottom of the first reinforcing plate, the ends of the first reinforcing plate and the second reinforcing plate are fixedly connected to connecting plates, the internal threads of the connecting plates are connected to connecting screws, and the connecting plates are fixedly connected to the frame through the connecting screws;

[0007] A clamping plate is fixedly connected to the four corners of the frame, an extension plate is fixedly connected to one side of the clamping plate, a mounting hole is provided on one side of the extension plate, a clamping sleeve is sleeved on the outside of the extension plate, a groove is provided at the center of one side of the clamping sleeve, slots are provided on the left and right sides of one side of the clamping sleeve, a mounting screw is threadedly connected to one side of the clamping sleeve close to the slot, and the mounting screw is threadedly connected to the inside of the mounting hole.

[0008] Preferably, the bottom plate is a solid plate, the bottom plate is welded to the bottom of the frame, the length of the bottom plate is the same as the length of the frame, a plurality of diamond-shaped holes are opened inside the baffle, and the plurality of diamond-shaped holes are arranged in a rectangular array inside the baffle.

[0009] By adopting the above technical solution, the diamond-shaped holes opened inside the baffle can reduce the material consumption, and the baffle itself can block the sliding of gangue.

[0010] Preferably, the first reinforcing plate is an X-shaped plate, the second reinforcing plate is a rectangular plate, the second reinforcing plate is welded at the angle at the bottom of the first reinforcing plate, the number of the second reinforcing plates is four, the surface of the baffle is not parallel to the surface of the frame, and the thickness of the first reinforcing plate is greater than the distance between the surface of the baffle and the surface of the frame.

[0011] By adopting the above technical solution, the first reinforcing plate and the second reinforcing plate can strengthen the strength of the bottom position of the baffle. Gangue of general size will contact the baffle installed with the first reinforcing plate and the second reinforcing plate. The bottom plate is located at the bottom of the frame, and the solid bottom plate can better block the rolling gangue.

[0012] Preferably, the connecting plate is a rectangular plate, the thickness of the connecting plate is less than the thickness of the first reinforcing plate, and the frame is provided with connecting holes adapted to the connecting screws at positions close to the connecting plate.

[0013] By adopting the above technical solution, the connecting plate can connect the reinforcing plate to the frame, and the independent reinforcing plate can be easily replaced and repaired.

[0014] Preferably, the clamping plate is an arc-shaped plate, the number of the extension plates is two, and the two extension plates are welded to both ends of the extension plate.

[0015] By adopting the above technical solution, the clamping plate can be clamped on the column, so that the frame and the column can be quickly connected.

[0016] Preferably, the groove is a semicircular groove, the groove is located at the center of one side of the ferrule, the slot is a rectangular slot, and the size of the extension plate is adapted to the size of the slot.

[0017] By adopting the above technical solution, the ferrule can be sleeved on the extension plate, and the internal groove fits with the surface of the column. The ferrule can be fixed to the extension plate by installing screws, and the ferrule can reinforce the connection between the card plate and the column.

[0018] Preferably, the number of the mounting screws is four, and the four mounting screws are symmetrically arranged on the left and right sides of one side of the ferrule, and the positions of the mounting screws correspond to the mounting holes.

[0019] Compared with the prior art, the utility model has the following advantages:

[0020] 1. The gangue-proof side protection device for the triangular coal area of ​​thick coal seams in the coal mine is provided with a first reinforcing plate, one side of the baffle is fixedly connected with the first reinforcing plate, and the bottom of the first reinforcing plate is fixedly connected with the second reinforcing plate. When in use, the first reinforcing plate and the second reinforcing plate can be clamped on the side of the frame close to the bottom, and the first reinforcing plate and the second reinforcing plate can be fixed on the frame by connecting plates and connecting screws. Gangue of general size will contact the baffle installed with the first reinforcing plate and the second reinforcing plate. The first reinforcing plate and the second reinforcing plate can strengthen the strength of the bottom position of the baffle, and effectively improve the protective strength of the baffle;

[0021] 2. The gangue-proof side protection device for the triangular coal area of ​​the thick coal seam of the coal mine is provided with a clamping sleeve, and the four corners of the frame are fixedly connected with a clamping plate, one side of the clamping plate is fixedly connected with an extension plate, and the outer side of the extension plate is sleeved with a clamping sleeve. When in use, the clamping plates at the four corners of the frame can be clamped on the surfaces of two columns, and then the clamping sleeve is sleeved on the outer surface of the extension plate, and the clamping sleeve can be connected to the clamping plate by installing screws. The installation of the clamping sleeve can fix the clamping plate clamped on the surface of the column, and the frame can be fixedly installed without drilling holes on the column, thereby achieving the purpose of easy use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the utility model;

[0023] Figure 2 This is a schematic diagram of the installation structure of the baffle of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the first reinforcement plate of the utility model;

[0025] Figure 4 It is a structural schematic diagram of the ferrule of the utility model.

[0026] In the figure: 1-frame, 2-bottom plate, 3-baffle, 4-first reinforcing plate, 5-second reinforcing plate, 6-connecting plate, 7-connecting screws, 8-card plate, 9-extension plate, 10-mounting hole, 11-card sleeve, 12-groove, 13-slot, 14-mounting screws. DETAILED DESCRIPTION

[0027] Additional aspects and advantages of the present invention will be further described below in conjunction with the accompanying drawings, and some will become apparent from the following description or be learned through practice of the present invention.

[0028] like Figure 1-3As shown, a gangue side protection device for a triangular coal area in a thick coal seam of a coal mine comprises a frame 1, a bottom plate 2 is welded to the bottom of the frame 1, a baffle 3 is welded inside the frame 1, a first reinforcing plate 4 is installed on one side of the baffle 3, a second reinforcing plate 5 is welded to the bottom of the first reinforcing plate 4, connecting plates 6 are welded to the ends of the first reinforcing plate 4 and the second reinforcing plate 5, the internal threads of the connecting plate 6 are connected to the connecting screws 7, and the connecting plate 6 is connected to the frame 1 via the connecting screws 7.

[0029] Through the above arrangement, when in use, the first reinforcing plate 4 and the second reinforcing plate 5 can be clamped on the side of the frame 1 close to the bottom, and the first reinforcing plate 4 and the second reinforcing plate 5 can be fixed to the frame 1 through the connecting plate 6 and the connecting screws 7. Gangue of general size will contact the baffle 3 installed with the first reinforcing plate 4 and the second reinforcing plate 5. The first reinforcing plate 4 and the second reinforcing plate 5 can strengthen the strength of the bottom position of the baffle 3, effectively improving the protective strength of the baffle 3;

[0030] like Figure 1-2 and Figure 4 As shown, a clamping plate 8 is welded at each of the four corners of the frame 1, an extension plate 9 is welded on one side of the clamping plate 8, a mounting hole 10 is provided on one side of the extension plate 9, a clamping sleeve 11 is sleeved on the outside of the extension plate 9, a groove 12 is provided at the center of one side of the clamping sleeve 11, slots 13 are provided on both sides of one side of the clamping sleeve 11, a mounting screw 14 is threadedly connected to one side of the clamping sleeve 11 close to the slot 13, and the mounting screw 14 is threadedly connected to the inside of the mounting hole 10;

[0031] Through the above arrangement, when in use, the card plates 8 at the four corners of the frame 1 can be clamped on the surfaces of the two columns, and then the clamping sleeve 11 can be sleeved on the outer surface of the extension plate 9, and the clamping sleeve 11 can be connected to the card plate 8 by installing the screws 14. The installation of the clamping sleeve 11 can fix the card plate 8 clamped on the surface of the column, and the frame 1 can be fixedly installed without drilling holes on the column, so as to achieve the purpose of easy use;

[0032] As a preferred technical solution of the utility model, the bottom plate 2 is a solid plate, the bottom plate 2 is welded to the bottom position of the frame 1, the length of the bottom plate 2 is the same as the length of the frame 1, and a plurality of diamond holes are opened inside the baffle 3, and the plurality of diamond holes are arranged in a rectangular array inside the baffle 3.

[0033] As a preferred technical solution of the utility model, the first reinforcing plate 4 is an X-shaped plate, the second reinforcing plate 5 is a rectangular plate, the second reinforcing plate 5 is welded at the angle at the bottom of the first reinforcing plate 4, the number of the second reinforcing plates 5 is four, the surface of the baffle 3 is not parallel to the surface of the frame 1, and the thickness of the first reinforcing plate 4 is greater than the distance between the surface of the baffle 3 and the surface of the frame 1.

[0034] As a preferred technical solution of the utility model, the connecting plate 6 is a rectangular plate, the thickness of the connecting plate 6 is less than the thickness of the first reinforcing plate 4, and the frame 1 is provided with a connecting hole compatible with the connecting screw 7 near the connecting plate 6.

[0035] As a preferred technical solution of the utility model, the clamping plate 8 is an arc-shaped plate, the number of the extension plates 9 is two, and the two extension plates 9 are welded at both ends of the extension plates 9.

[0036] As a preferred technical solution of the utility model, the groove 12 is a semicircular groove, the groove 12 is located at the center of one side of the ferrule 11, the slot 13 is a rectangular slot, and the size of the extension plate 9 is adapted to the size of the slot 13.

[0037] As a preferred technical solution of the utility model, the number of the mounting screws 14 is four, and the four mounting screws 14 are symmetrically arranged on the left and right sides of one side of the ferrule 11 , and the positions of the mounting screws 14 correspond to the mounting holes 10 .

[0038] The working process of the utility model is as follows:

[0039] S1. Clamp the first reinforcing plate 4 and the second reinforcing plate 5 on one side of the frame 1 close to the bottom, and fix the first reinforcing plate 4 and the second reinforcing plate 5 on the frame 1 through the connecting plate 6 and the connecting screws 7;

[0040] S2, clamp the clamping plates 8 at the four corners of the frame 1 onto the surfaces of the two columns;

[0041] S3. Sleeve the clamping sleeve 11 on the outer surface of the extension plate 9, and connect the clamping sleeve 11 to the clamping plate 8 by installing the screws 14. The installation of the clamping sleeve 11 can fix the clamping plate 8 clamped on the surface of the column.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated 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 that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gangue side protection device for the triangular coal area of ​​a thick coal seam in a coal mine, characterized by: The frame (1) comprises a bottom plate (2) fixedly connected to the bottom of the frame (1), a baffle (3) fixedly connected to the inside of the frame (1), a first reinforcing plate (4) fixedly connected to one side of the baffle (3), a second reinforcing plate (5) fixedly connected to the bottom of the first reinforcing plate (4), a connecting plate (6) fixedly connected to the ends of the first reinforcing plate (4) and the second reinforcing plate (5), a connecting screw (7) being connected to the inner thread of the connecting plate (6), and the connecting plate (6) being fixedly connected to the frame (1) via the connecting screw (7); The four corners of the frame (1) are fixedly connected with a clamping plate (8), one side of the clamping plate (8) is fixedly connected with an extension plate (9), one side of the extension plate (9) is provided with a mounting hole (10), the outside of the extension plate (9) is sleeved with a clamping sleeve (11), the center of one side of the clamping sleeve (11) is provided with a groove (12), the left and right sides of one side of the clamping sleeve (11) are provided with slots (13), and the side of the clamping sleeve (11) close to the slot (13) is threadedly connected with a mounting screw (14), and the mounting screw (14) is threadedly connected to the inside of the mounting hole (10).

2. The device for preventing gangue from forming in triangular coal area of ​​thick coal seam in coal mine according to claim 1, characterized in that: The bottom plate (2) is a solid plate, the bottom plate (2) is welded to the bottom of the frame (1), the length of the bottom plate (2) is the same as the length of the frame (1), a plurality of diamond-shaped holes are opened inside the baffle (3), and the plurality of diamond-shaped holes are arranged in a rectangular array inside the baffle (3).

3. The device for preventing gangue from forming in triangular coal area of ​​thick coal seam in coal mine according to claim 1, characterized in that: The first reinforcing plate (4) is an X-shaped plate, the second reinforcing plate (5) is a rectangular plate, the second reinforcing plate (5) is welded to the angle at the bottom of the first reinforcing plate (4), the number of the second reinforcing plates (5) is four, the surface of the baffle (3) is not parallel to the surface of the frame (1), and the thickness of the first reinforcing plate (4) is greater than the distance between the surface of the baffle (3) and the surface of the frame (1).

4. The device for preventing gangue from forming in triangular coal area of ​​thick coal seam in coal mine according to claim 1, characterized in that: The connecting plate (6) is a rectangular plate, the thickness of the connecting plate (6) is less than the thickness of the first reinforcing plate (4), and a connecting hole adapted to fit the connecting screw (7) is provided at a position of the frame (1) close to the connecting plate (6).

5. The device for preventing gangue side protection in triangular coal area of ​​thick coal seam in coal mine according to claim 1 is characterized by: The clamping plate (8) is an arc-shaped plate, the number of the extension plates (9) is two, and the two extension plates (9) are welded to the two ends of the extension plate (9).

6. The device for preventing gangue side protection in triangular coal area of ​​thick coal seam in coal mine according to claim 1, characterized in that: The groove (12) is a semicircular groove, the groove (12) is located at the center of one side of the ferrule (11), the slot (13) is a rectangular slot, and the size of the extension plate (9) is compatible with the size of the slot (13).

7. The device for preventing gangue from forming in triangular coal area of ​​thick coal seam in coal mine according to claim 1, characterized in that: The number of the mounting screws (14) is four, and the four mounting screws (14) are symmetrically arranged on the left and right sides of one side of the clamping sleeve (11), and the positions of the mounting screws (14) correspond to the mounting holes (10).

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