Supporting equipment for coal seam

Abstract

The utility model relates to the technical field of supporting equipment for a coal seam, and discloses supporting equipment for the coal seam. The supporting equipment for the coal seam comprises a bottom plate, a lifting column is movably connected to the top of the bottom plate, two connecting grooves are fixedly formed in the upper side and the lower side of the lifting column, four auxiliary plates are fixedly installed on the peripheries of the connecting grooves, and mounting plates are fixedly installed at the bottoms of the auxiliary plates; four bolt grooves are fixedly formed in the periphery of the top of the mounting plate, and mounting bolts are movably connected into the bolt grooves. According to the supporting equipment for the coal seam, connection is conducted through the bottom mounting plate and the fixing grooves, connection is conducted through the top mounting plate and the splicing grooves, and mounting bolts in threaded grooves are rotated, so that fixation of the mounting plates can be reinforced, the stability of the supporting equipment for the coal seam is improved, and the height can be adjusted through the lifting columns; and therefore, the middle position of the supporting equipment for the coal seam is supported, and the supporting force of the supporting equipment for the coal seam is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal seam supporting equipment, in particular to coal seam supporting equipment. Background Art

[0002] As the mining depth of coal mines increases, the pressure and span of the tunnel roof also increase, which brings severe challenges to mine safety and production. The high pressure of the tunnel roof can easily lead to problems such as roof instability, rock collapse and support structure damage, while the increase in tunnel span increases the load on the support structure, which can easily lead to risks such as support failure and tunnel deformation.

[0003] The existing Chinese utility model patent with reference announcement number: CN217761055U discloses a support device for steeply inclined coal seam mining and excavation, including an inner support, an outer support, and a base; the upper end surface of the base is symmetrically provided with a plurality of slide grooves; the outer support includes a symmetrically arranged lower support plate, a symmetrically arranged middle support plate and an upper support plate, the outer wall of the inner support is provided with a mounting block corresponding to the lower support plate, the middle support plate and the upper support plate, the mounting block is provided with a mounting groove, the symmetrically arranged lower support plate, the symmetrically arranged middle support plate and the upper support plate are all provided with a protrusion corresponding to the mounting block, the protrusion is provided with a slider that cooperates with the mounting groove, and the symmetrically arranged lower support plate is respectively slidably connected in the slide grooves symmetrically arranged on the outside. The utility model can separately disassemble the damaged part of the outer support when one part is damaged by providing a lower support plate, a middle support plate, an upper support plate, a base, a slide groove, a mounting block matching a protrusion, and a mounting groove matching a slider, thereby reducing the cost of replacement, and improving the support strength through the cooperation of the inner and outer supports, thereby improving safety.

[0004] The existing support equipment for large-section coal seams has insufficient stability and is prone to tilting when used for support. In addition, the existing support equipment for large-section coal seams has insufficient support strength and is prone to deformation due to excessive top pressure. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a coal seam support device having the advantages of high stability and strong supporting force, thereby solving the above-mentioned technical problems.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the utility model provides the following technical solution: a coal seam support device, comprising:

[0009] A bottom plate, the top of the bottom plate is movably connected with a lifting column, two connecting grooves are fixedly installed on the upper and lower sides of the lifting column, four auxiliary plates are fixedly installed around the connecting groove, and the auxiliary plate is in a triangular shape. A mounting plate is fixedly installed on the bottom of the auxiliary plate, four bolt grooves are fixedly installed around the top of the mounting plate, and mounting bolts are movably connected inside the bolt grooves, and a splicing groove is movably connected to the top of the mounting plate, a support rod is fixedly installed on the top of the splicing groove, insertion grooves are fixedly installed inside the two sides of the support rod, a telescopic rod is fixedly installed in the middle of the support rod, two support blocks are fixedly installed on both sides of the support rod, the support blocks are in a triangular shape, and a top plate is fixedly installed on the top of the support blocks.

[0010] As a preferred technical solution of the utility model, a fixing groove is fixedly installed in the middle of the top of the base plate, and two installation grooves are fixedly installed in the middle of both sides of the base plate, and the installation grooves are structures for installation.

[0011] As a preferred technical solution of the utility model, two insert plates are movably connected inside the other two sides of the bottom plate, and a support seat is fixedly installed on one side of the insert plate, and the support seat is a structure for supporting the bottom.

[0012] As a preferred technical solution of the utility model, two supporting grooves are fixedly installed on both sides of the supporting seat, and the supporting grooves are structures used for supporting.

[0013] As a preferred technical solution of the utility model, a telescopic column is fixedly installed on the top of the support seat, and a support column is movably connected to the outer side of the telescopic column, and the support column is a structure for support.

[0014] As a preferred technical solution of the utility model, the inner top of the support column is movably connected with an insertion column, and the top of the insertion column is fixedly installed with a connecting block, which is a structure used for connection.

[0015] As a preferred technical solution of the utility model, a connection frame is fixedly installed on one side of the connection block, and the connection frame is a structure for connecting supports.

[0016] Compared with the prior art, the utility model provides a coal seam support device, which has the following beneficial effects:

[0017] 1. The utility model is connected by a bottom mounting plate and a fixing groove, and by a top mounting plate and a splicing groove. The mounting bolts inside the rotating threaded groove can strengthen the fixation of the mounting plate, thereby improving the stability of the coal seam support equipment. The height can be adjusted by a lifting column, thereby supporting the middle position of the coal seam support equipment, thereby improving the supporting force of the coal seam support equipment.

[0018] 2. The utility model can push the two connecting blocks to move to both sides through the extension and retraction of the telescopic rod inside the support rod, so as to adjust the width of the coal seam support equipment, so as to support broken coal seams of different widths, thereby improving the practicality of the coal seam support equipment. The roof can be supported by the two support blocks, and the broken coal seam on the top can be supported by the roof plate, thereby improving the supporting effect of the coal seam support equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the bottom plate of the utility model;

[0021] Figure 3 This is a schematic diagram of the lifting column of the utility model;

[0022] Figure 4 This is a schematic diagram of the splicing groove of the utility model;

[0023] Figure 5 It is a schematic diagram of a telescopic column of the utility model.

[0024] Among them: 1. bottom plate; 11. fixing slot; 12. installation slot; 13. insertion plate; 14. support seat; 15. support slot; 2. lifting column; 21. connection slot; 22. auxiliary plate; 23. installation plate; 24. bolt slot; 25. installation bolt; 3. splicing slot; 31. support rod; 32. insertion slot; 33. telescopic rod; 34. support block; 35. top plate; 4. telescopic column; 41. support column; 42. insertion column; 43. connection block; 44. connection frame. DETAILED DESCRIPTION

[0025] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0026] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] See also Figure 1 - Figure 5 In this embodiment, a coal seam support device includes: a bottom plate 1, a fixing groove 11 is fixedly installed in the middle of the top of the bottom plate 1, and two installation grooves 12 are fixedly installed in the middle of both sides of the bottom plate 1.

[0029] Two inserting plates 13 are movably connected inside the other two sides of the bottom plate 1 , and a supporting seat 14 is fixedly installed on one side of the inserting plate 13 .

[0030] Two supporting grooves 15 are fixedly mounted on both sides of the supporting base 14 .

[0031] Specifically, the bottom can be supported by the base plate 1, and the two insert plates 13 can move to both sides inside the base plate 1, thereby driving the two support seats 14 to move to both sides, thereby adjusting the width of the coal seam support equipment, and the coal seam support equipment can be installed and supported through the installation groove 12 and the support groove 15.

[0032] A lifting column 2 is movably connected to the top of the bottom plate 1, and two connecting grooves 21 are fixedly installed on the upper and lower sides of the lifting column 2. Four auxiliary plates 22 are fixedly installed around the connecting grooves 21. The auxiliary plates 22 are triangular in shape. A mounting plate 23 is fixedly installed at the bottom of the auxiliary plate 22. Four bolt grooves 24 are fixedly installed around the top of the mounting plate 23. Mounting bolts 25 are movably connected inside the bolt grooves 24.

[0033] Specifically, the two mounting plates 23 can be driven to move to both sides by the lifting column 2 to adjust the height. The mounting plates 23 are inserted into the splicing grooves 3 and the fixing grooves 11 for support, and the mounting bolts 25 in the bolt grooves 24 can improve the stability of the connection support.

[0034] The top of the mounting plate 23 is movably connected with a splicing groove 3, the top of the splicing groove 3 is fixedly installed with a support rod 31, the inside of both sides of the support rod 31 are fixedly installed with insertion grooves 32, the inner middle of the support rod 31 is fixedly installed with a telescopic rod 33, and two support blocks 34 are fixedly installed on both sides of the support rod 31. The support blocks 34 are triangular in shape, and a top plate 35 is fixedly installed on the top of the support blocks 34.

[0035] Specifically, by extending and retracting the telescopic rod 33 inside the support rod 31 , the connecting blocks 43 on both sides can be pushed to move to both sides, thereby adjusting the width of the coal seam support equipment, and the top plate 35 is auxiliary supported by the two support blocks 34 .

[0036] A telescopic column 4 is fixedly mounted on the top of the support seat 14 , and a support column 41 is movably connected to the outer side of the telescopic column 4 .

[0037] An insert column 42 is movably connected to the inner top of the support column 41 , and a connecting block 43 is fixedly installed on the top of the insert column 42 .

[0038] A connection frame 44 is fixedly mounted on one side of the connection block 43 .

[0039] Specifically, by extending and retracting the telescopic column 4, the connecting block 43 can be pushed upward, so that the height of the coal seam support equipment can be adjusted, and by inserting the column 42 to move up and down inside the support column 41, the outer side of the telescopic column 4 can be supported.

[0040] When in use, the coal seam support equipment can be installed and fixed first through the installation grooves 12 on both sides of the bottom plate 1, and the connecting block 43 can be pushed to move upward by the extension and retraction of the telescopic column 4 on the top of the support seat 14, so that the height of the coal seam support equipment can be adjusted. When the coal seam support equipment is lifted or lowered, the insertion column 42 moves up and down inside the support column 41, so that the outer side of the telescopic column 4 can be wrapped, so that the extension and retraction of the telescopic column 4 can be auxiliary supported, and the telescopic column 4 can be protected, thereby improving the practicality of the coal seam support equipment, so that coal seams of different heights can be supported. By extending and retracting the telescopic rod 33 inside the splicing groove 3, the two connecting blocks 43 can be pushed to move to both sides, so that the two insertion plates 13 move to both sides inside the two bottom plates 1, thereby driving the two support seats 14 to move to both sides, so that the width and stability of the coal seam support equipment can be adjusted, so that the coal seam support equipment can be used for different widths. The coal seam is supported, which improves the practicality of the coal seam supporting equipment. The connecting frame 44 is moved to both sides inside the support rod 31, so that the telescopic rod 33 can be supported, which improves the stability of the coal seam supporting equipment. Rivets can be installed through the two support grooves 15 on both sides of the support seat 14, so as to install the coal seam supporting equipment, improve the supporting force of the coal seam supporting equipment, and avoid the problem of equipment tilting due to insufficient stability. The top plate 35 can be supported by the two support blocks 34, and the coal seam can be supported by the top plate 35. By lifting the lifting column 2, the two mounting plates 23 can be pushed to move to both sides, so that the top mounting plate 23 is inserted into the splicing groove 3, and the bottom mounting plate 23 is inserted into the fixing groove 11, so that the middle position of the coal seam supporting equipment can be supported, and the mounting bolts 25 in the bolt groove 24 can be used to reinforce the mounting plate 23, thereby improving the stability of the coal seam supporting equipment.

[0041] 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 coal seam support device, characterized in that: The coal seam support device comprises a bottom plate (1), the top of the bottom plate (1) is movably connected to a lifting column (2), two connection grooves (21) are fixedly installed on the upper and lower sides of the lifting column (2), four auxiliary plates (22) are fixedly installed around the connection groove (21), the auxiliary plate (22) is in a triangular shape, a mounting plate (23) is fixedly installed at the bottom of the auxiliary plate (22), four bolt grooves (24) are fixedly installed around the top of the mounting plate (23), and the bolt grooves (24) are movably connected inside. A mounting bolt (25) is connected, the top of the mounting plate (23) is movably connected with a splicing groove (3), a support rod (31) is fixedly installed on the top of the splicing groove (3), insertion grooves (32) are fixedly installed inside the two sides of the support rod (31), a telescopic rod (33) is fixedly installed in the middle of the support rod (31), two support blocks (34) are fixedly installed on both sides of the support rod (31), the support blocks (34) are triangular in shape, and a top plate (35) is fixedly installed on the top of the support block (34).

2. A coal seam support device according to claim 1, characterized in that: A fixing groove (11) is fixedly installed in the middle of the top of the bottom plate (1), and two installation grooves (12) are fixedly installed in the middle of both sides of the bottom plate (1).

3. A coal seam support device according to claim 2, characterized in that: Two insertion plates (13) are movably connected inside the other two sides of the bottom plate (1), and a support seat (14) is fixedly mounted on one side of the insertion plate (13).

4. A coal seam support device according to claim 3, characterized in that: Two supporting grooves (15) are fixedly mounted on both sides of the supporting seat (14).

5. A coal seam support device according to claim 3, characterized in that: A telescopic column (4) is fixedly mounted on the top of the support seat (14), and a support column (41) is movably connected to the outside of the telescopic column (4).

6. A coal seam support device according to claim 5, characterized in that: The inner top of the support column (41) is movably connected to an insertion column (42), and a connection block (43) is fixedly installed on the top of the insertion column (42).

7. A coal seam support device according to claim 6, characterized in that: A connection frame (44) is fixedly mounted on one side of the connection block (43).

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