CN214007185U - Coal mine goaf roof management device - Google Patents
Coal mine goaf roof management device Download PDFInfo
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- CN214007185U CN214007185U CN202022974650.XU CN202022974650U CN214007185U CN 214007185 U CN214007185 U CN 214007185U CN 202022974650 U CN202022974650 U CN 202022974650U CN 214007185 U CN214007185 U CN 214007185U
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- coal mine
- management device
- block
- mine goaf
- roof
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Abstract
The utility model discloses a coal mine goaf roof management device, including roof and braced frame, there is the connecting plate at the top of roof through bolt swing joint, the top swing joint of connecting plate has the fixed slot roof beam, the inner wall swing joint of fixed slot roof beam has leading stock, the bottom swing joint of roof has braced frame, the connecting hole has all been seted up to braced frame's both sides, the inside swing joint of connecting hole has the piece of pegging graft, one side fixedly connected with connecting rod of piece of pegging graft, braced frame's inside wall fixedly connected with anchor strut. This coal mine goaf roof management device through the setting of roof, braced frame and side shield, can conveniently build, and the while is all-round protects, improves the device's security, through the setting of leading stock and fixed slot roof beam, can make the roof firmly fix coal mine goaf top, prevents that the roof from dropping, causes the top leakage.
Description
Technical Field
The utility model relates to a coal mine goaf protection technical field specifically is a coal mine goaf roof management device.
Background
The coal mine goaf refers to a cavity or cavity left after underground coal or coal gangue is mined in the coal mining process, namely, after underground coal resources are excavated, a space called as a goaf is formed, wherein the goaf is generated in more than one coal mine in the operation process, other metal mines are produced in the process of mining, untreated goafs with various inclination angles are widely distributed in China, at present, underground goafs become an important problem for restricting the development of mines and the urbanization development of the upper parts of the goafs, collapse accidents easily occur along with the mining of mines to deep parts, but also is affected by the goaf, a plurality of buildings can not be built, which brings inconvenience to life and production of people, a great amount of stopes, chambers and roadways remained in underground mining are not processed in time, the method brings serious hidden danger to surface mining and brings serious threat to mine workers and equipment.
So need build the guard plate in coal mine goaf, support the colliery, prevent that it from collapsing, bring serious threat for mine staff and equipment, but traditional safeguard measure generally adopts to strut and protects, and this kind of safeguard mode security is not high, and the ore at top drops easily, pounces the staff, and inconvenient the buildding is connected firmly inadequately with the colliery, so to these problems, need a coal mine goaf roof management device that can solve these problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a coal mine goaf roof management device has solved the problem of proposing in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a coal mine goaf roof management device, includes roof and braced frame, there is the connecting plate at the top of roof through bolt swing joint, the top swing joint of connecting plate has fixed trough beam, the inner wall swing joint of fixed trough beam has leading stock, the bottom swing joint of roof has braced frame, the connecting hole has all been seted up to braced frame's both sides, the inside swing joint of connecting hole has the plug block, one side fixedly connected with connecting rod of plug block, braced frame's inside wall fixedly connected with anchor strut, braced frame's fixed bottom block of bottom fixedly connected with, the connecting block has all been pegged graft to the both sides of fixed bottom block, the equal threaded connection in surface of fixed bottom block and connecting block has fixing bolt, there is the side shield one side of braced frame through bolt swing joint.
Optionally, the inclination angle of the advanced anchor rod is controlled to be 25-35 degrees, the distance between the advanced anchor rods is 500mm, and the length of the advanced anchor rod is 2000 mm.
Optionally, the size of the connecting hole is matched with the size of the insertion block.
Optionally, the surface of the fixed bottom block is connected with a connecting bolt in a threaded manner, and the connecting bolt penetrates through the fixed bottom block and is connected to the connecting block in a threaded manner.
Optionally, the surface of the fixing bolt is provided with a groove, and the top plate and the side baffle are both made of cement foam materials.
Optionally, the top of the supporting frame is fixedly connected with a fixing block, and the surface of the fixing block is in threaded connection with a mounting bolt.
Optionally, the number of the mounting bolts is four, and the four mounting bolts are distributed on the surface of the fixing block in a rectangular array.
Optionally, the number of the supporting frames is several, and the several supporting frames are distributed at the bottom of the top plate in a rectangular array.
Optionally, the included angle between the supporting frame and the ground is 85 degrees, and the supporting frame is made of hollow steel.
Optionally, a clamping groove is formed in one side of the side baffle, and a clamping block is fixedly connected to the other side of the side baffle.
(III) advantageous effects
The utility model provides a coal mine goaf roof management device possesses following beneficial effect:
1. this coal mine goaf roof management device through the setting of roof, braced frame and side shield, can conveniently build, and the while is all-round protects, improves the device's security, through the setting of leading stock and fixed slot roof beam, can make the roof firmly fix coal mine goaf top, prevents that the roof from dropping, causes the top leakage.
2. This coal mine goaf roof management device through the setting of anchor strut, improves braced frame's fastness, through fixing bolt's setting, strengthens the device's stability, through the setting of connecting rod and connecting block, can strengthen the device's connection, makes the device can weaken the pressure dispersion in coal seam.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;
FIG. 4 is a schematic view of a partial structure of the supporting frame of the present invention;
fig. 5 is the schematic view of the advanced anchor rod structure of the present invention.
In the figure: 1. a top plate; 2. a support frame; 3. a connecting plate; 4. fixing the trough beam; 5. leading an anchor rod; 6. connecting holes; 7. an insertion block; 8. a connecting rod; 9. a reinforcing rod; 10. fixing the bottom block; 11. connecting blocks; 12. fixing the bolt; 13. a side dam; 14. a connecting bolt; 15. and (5) fixing blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 5, the present invention provides a technical solution: a roof management device of a coal mine goaf comprises a roof 1 and a supporting frame 2, wherein the top of the roof 1 is movably connected with a connecting plate 3 through a bolt, the top of the connecting plate 3 is movably connected with a fixed groove beam 4, the inner wall of the fixed groove beam 4 is movably connected with an advance anchor rod 5, the bottom of the roof 1 is movably connected with the supporting frame 2, two sides of the supporting frame 2 are respectively provided with a connecting hole 6, the inner part of each connecting hole 6 is movably connected with an inserting block 7, one side of each inserting block 7 is fixedly connected with a connecting rod 8, the inner side wall of the supporting frame 2 is fixedly connected with a reinforcing rod 9, through the arrangement of the reinforcing rods 9, the firmness of the supporting frame 2 is improved, the bottom of the supporting frame 2 is fixedly connected with a fixed bottom block 10, two sides of the fixed bottom block 10 are respectively inserted with a connecting block 11, through the arrangement of the connecting rods 8 and the connecting blocks 11, the connection of the device can be enhanced, so that the device can weaken the pressure dispersion of a coal seam, the surfaces of the fixed bottom block 10 and the connecting block 11 are both in threaded connection with a fixed bolt 12, the fixed bottom block is connected with the ground through the arrangement of the fixed bolt 12, the stability of the device is enhanced, and one side of the supporting frame 2 is movably connected with a side baffle 13 through a bolt;
in order to improve the safety of the device, the roof 1, the supporting frame 2 and the side baffle 13 are arranged, so that the device can be conveniently constructed, and can be protected in all directions, and the roof 1 can be firmly fixed at the top of a coal mine goaf by arranging the advanced anchor rods 5 and the fixed groove beams 4, so that the roof is prevented from falling and leaking;
the inclination angle of the advanced anchor rods 5 is controlled to be 25-35 degrees, the distance between the advanced anchor rods 5 is 500mm, the length of the advanced anchor rods 5 is 2000 mm, the size of the connecting hole 6 is matched with the size of the inserting block 7, the surface of the fixed bottom block 10 is in threaded connection with a connecting bolt 14, the connecting bolt 14 penetrates through the fixed bottom block 10 and is in threaded connection with the connecting block 11, the surface of the fixing bolt 12 is provided with a groove, and the top plate 1 and the side baffle 13 are both made of cement foaming materials;
braced frame 2's top fixedly connected with fixed block 15, fixed block 15's surperficial threaded connection has mounting bolt, mounting bolt's quantity is four, four mounting bolt are the surface of the form distribution at the fixed block of rectangle array, braced frame 2's quantity is a plurality of, a plurality of braced frame 2 is the form distribution of rectangle array in the bottom of roof 1, braced frame 2 is 85 degrees with the contained angle on ground, braced frame 2's material is hollow steel material, the draw-in groove has been seted up to one side of side shield 13, side shield 13's opposite side fixedly connected with fixture block.
The utility model discloses in, the device's working procedure as follows:
1. firstly, drilling a mounting hole of an advanced anchor rod 5 along the tunneling direction, then controlling the inclination angle of the advanced anchor rod 5 to be 25-35 degrees, enabling the distance between the advanced anchor rods 5 to be 500mm, after the mounting hole of the advanced anchor rod is drilled, driving the tail end of the advanced anchor rod 5 into the bottom of the mounting hole, and drilling the bottom of the mounting hole in a stable coal bed to ensure that a tail end supporting point of the advanced anchor rod is stable;
2. the fixed channel beam 4 is fixedly installed at the top of the coal mine goaf through the advanced anchor rod 5, the connecting plate 3 is installed through the bolt, the top plate 1 is connected with the fixed channel beam 4 through the bolt, and the top plate 1 is installed at the top of the coal mine goaf to protect the danger of the top;
3. then, side baffles 13 are laid along the wall surface of the coal mine goaf, the supporting frame 2 is arranged on two sides of the coal mine goaf through mounting bolts on the fixing blocks 15, so that the supporting frame 2 supports the side baffles 13 and the top plate 1, the device can carry out all-dimensional protection, and the safety of the goaf is improved;
4. the connecting blocks 11 are inserted into two sides of the fixed bottom block 10, the fixed bottom block 10 is connected through the connecting bolts 14, the fixed bottom block 10 and the fixing bolts 12 on the surface of the connecting blocks 11 are connected with the ground, the inserting blocks 7 are inserted into the connecting holes 6, the connecting rods 8 are connected with the supporting frame 2, all parts of the device are connected, pressure dispersion of a coal bed can be effectively weakened, and protection is enhanced.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a coal mine goaf roof management device, includes roof (1) and braced frame (2), its characterized in that: the top of the top plate (1) is movably connected with a connecting plate (3) through a bolt, the top of the connecting plate (3) is movably connected with a fixed groove beam (4), the inner wall of the fixed groove beam (4) is movably connected with an advance anchor rod (5), the bottom of the top plate (1) is movably connected with a supporting frame (2), both sides of the supporting frame (2) are provided with connecting holes (6), the inside of each connecting hole (6) is movably connected with an inserting block (7), one side of each inserting block (7) is fixedly connected with a connecting rod (8), the inner side wall of the supporting frame (2) is fixedly connected with a reinforcing rod (9), the bottom of the supporting frame (2) is fixedly connected with a fixed bottom block (10), both sides of the fixed bottom block (10) are respectively inserted with a connecting block (11), and the surfaces of the fixed bottom block (10) and the connecting blocks (11) are respectively in threaded connection with, one side of the supporting frame (2) is movably connected with a side baffle (13) through a bolt.
2. The coal mine goaf roof management device of claim 1, wherein: the inclination angle of the advanced anchor rod (5) is controlled to be 25-35 degrees, the distance between the advanced anchor rods (5) is 500 millimeters, and the length of the advanced anchor rod (5) is 2000 millimeters.
3. The coal mine goaf roof management device of claim 1, wherein: the size of the connecting hole (6) is matched with that of the inserting block (7).
4. The coal mine goaf roof management device of claim 1, wherein: the surface of the fixed bottom block (10) is in threaded connection with a connecting bolt (14), and the connecting bolt (14) penetrates through the fixed bottom block (10) and is in threaded connection with the connecting block (11).
5. The coal mine goaf roof management device of claim 1, wherein: the surface of the fixing bolt (12) is provided with a groove, and the top plate (1) and the side baffle (13) are both made of cement foam materials.
6. The coal mine goaf roof management device of claim 1, wherein: the top of braced frame (2) fixedly connected with fixed block (15), the surperficial threaded connection of fixed block (15) has the construction bolt.
7. The coal mine goaf roof management device of claim 6, wherein: the number of the mounting bolts is four, and the four mounting bolts are distributed on the surface of the fixing block in a rectangular array mode.
8. The coal mine goaf roof management device of claim 1, wherein: the number of the supporting frames (2) is a plurality, and the supporting frames (2) are distributed at the bottom of the top plate (1) in a rectangular array mode.
9. The coal mine goaf roof management device of claim 1, wherein: the included angle between the supporting frame (2) and the ground is 85 degrees, and the supporting frame (2) is made of hollow steel.
10. The coal mine goaf roof management device of claim 1, wherein: a clamping groove is formed in one side of the side baffle (13), and a clamping block is fixedly connected to the other side of the side baffle (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022974650.XU CN214007185U (en) | 2020-12-07 | 2020-12-07 | Coal mine goaf roof management device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022974650.XU CN214007185U (en) | 2020-12-07 | 2020-12-07 | Coal mine goaf roof management device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214007185U true CN214007185U (en) | 2021-08-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022974650.XU Active CN214007185U (en) | 2020-12-07 | 2020-12-07 | Coal mine goaf roof management device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214007185U (en) |
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2020
- 2020-12-07 CN CN202022974650.XU patent/CN214007185U/en active Active
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