CN218235140U - A reinforcing apparatus that is used for high-efficient strut of coal mine tunnel inner wall - Google Patents
A reinforcing apparatus that is used for high-efficient strut of coal mine tunnel inner wall Download PDFInfo
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- CN218235140U CN218235140U CN202222728440.1U CN202222728440U CN218235140U CN 218235140 U CN218235140 U CN 218235140U CN 202222728440 U CN202222728440 U CN 202222728440U CN 218235140 U CN218235140 U CN 218235140U
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Abstract
The utility model discloses a reinforcing device for high-efficient support of coal mine tunnel inner wall, which relates to the technical field of reinforcing devices, and comprises a tunnel body, wherein a U-shaped fixed plate is arranged in the tunnel body, a rubber pad is arranged between the U-shaped fixed plate and the tunnel body, a plurality of first threaded holes are formed in the inner wall of the U-shaped fixed plate, an external bolt is connected with the first threaded holes in a threaded manner, an external threaded hole is formed in the inner wall of the tunnel body by matching with the external bolt, a square cavity is formed in the external bolt, and an auxiliary mechanism is arranged in the square cavity; the utility model discloses an area of contact of outer bolt and tunnel body is convenient for increase in the use of complementary unit to be convenient for carry out stable fixed to U type fixed plate, further be favorable to the stable fixed of tunnel body.
Description
Technical Field
The utility model relates to a reinforcing apparatus technical field especially relates to a reinforcing apparatus that is used for coal mine tunnel inner wall high efficiency to strut.
Background
The coal mine is a region for mining coal resources in a mining area rich in coal, and is generally divided into a minery coal mine and an open pit coal mine, when a coal bed is far away from the ground surface, coal is generally selected to be excavated into an underground excavation roadway, so that the coal mine is the minery coal mine, and most coal mines in China belong to the minery coal mine; the roadway of the coal mine needs to use a reinforcing device; the fixed plate is fixed to the tunnel that current tunnel reinforcing apparatus is when consolidating the tunnel, can not be stable to lead to the fixed unstability in tunnel, further lead to the tunnel easily to sink, improve tunnel danger coefficient, thereby need solve foretell problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a reinforcing device for high-efficient supporting of coal mine tunnel inner wall.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a reinforcing device for efficient supporting of the inner wall of a coal mine roadway comprises a roadway body, wherein a U-shaped fixing plate is arranged in the roadway body, a rubber pad is arranged between the U-shaped fixing plate and the roadway body, a plurality of first threaded holes are formed in the inner wall of the U-shaped fixing plate, external bolts are connected to the first threaded holes in an internal thread mode, external threaded holes are formed in the inner wall of the roadway body in a matched mode with the external bolts, square cavities are formed in the external bolts, and auxiliary mechanisms are arranged in the square cavities;
the auxiliary mechanism comprises a step block arranged in a square cavity in a sliding mode, a threaded rod arranged on one side of the step block in a rotating mode and an internal thread cylinder arranged at one end of the threaded rod, wherein the threaded rod and the internal thread cylinder are arranged on one side of the square cavity, a cylindrical hole is formed in one side of the square cavity, one end of the internal thread cylinder movably penetrates through the cylindrical hole, the internal thread cylinder and the cylindrical hole are arranged in a rotating mode, a circular hole is symmetrically formed in the inner end of the square cavity, a fixed rod is arranged in the circular hole in a sliding mode, a triangular block matched with the step block is arranged at the inner end of the fixed rod, a reset spring is sleeved on the outer wall of the fixed rod between the triangular block and the square cavity, and an inner hexagonal groove is formed in the middle of one end face of the internal thread cylinder.
Preferably, a plurality of rubber lugs are uniformly arranged on the outer wall of the rubber pad, the cross section of each rubber lug is triangular, a plurality of arc lugs are arranged on the inner wall of the rubber pad, and grooves are formed in the outer wall of the U-shaped fixing plate in a matching mode with the arc lugs.
Preferably, an annular sliding block is arranged on the outer wall of one end of the internal thread cylinder, and an annular sliding groove is formed in the inner wall of the cylindrical hole in a matched mode with the annular sliding block.
Preferably, a plurality of ball grooves are uniformly formed in the outer wall of the annular sliding block, balls are movably clamped in the ball grooves and are in contact with the inner wall of the annular sliding groove
Preferably, the outer wall of the fixing rod is symmetrically provided with strip-shaped sliding blocks, and the inner wall of the circular hole is matched with the strip-shaped sliding blocks to be provided with strip-shaped sliding grooves.
Preferably, even being equipped with a plurality of stocks on the U type fixed plate outer wall, the stock activity runs through out the tunnel body and extends to in the rock, even being equipped with many burrs on the stock outer wall.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model can increase the contact area between the outer bolt and the roadway body by using the auxiliary mechanism, thereby being convenient for stably fixing the U-shaped fixing plate and further being beneficial to stably fixing the roadway body;
2. through rubber pad and rubber lug's use, the frictional force between the tunnel body of being convenient for and the U type fixed plate to what make tunnel body and U type fixed plate be connected is more stable, is further convenient for support the tunnel body.
3. Through the use of burr on stock and the stock outer wall, be convenient for increase stock and the area of contact of rock to be convenient for carry out stable support to the tunnel body.
Drawings
Fig. 1 is a schematic sectional structure view of a front view angle of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic three-dimensional structure diagram of the landing block of the present invention;
fig. 4 is a schematic structural view of the connection between the outer bolt and the inner bolt of the present invention.
Sequence numbers in the figure: 1. a roadway body; 2. an anchor rod; 3. a rubber pad; 4. a U-shaped fixing plate; 5. a ladder platform block; 6. a threaded rod; 7. an internal thread cylinder; 8. fixing the rod; 9. an external bolt; 10. a triangular block; 11. a return spring; 12. an annular slider.
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.
Example (b): referring to fig. 1-4, a reinforcing device for high-efficiency supporting of the inner wall of a coal mine tunnel comprises a tunnel body 1, a U-shaped fixing plate 4 is arranged in the tunnel body 1, a rubber pad 3 is arranged between the U-shaped fixing plate 4 and the tunnel body 1, a plurality of first threaded holes are formed in the inner wall of the U-shaped fixing plate 4, an external bolt 9 is connected to the first threaded holes in an internal thread manner, an external threaded hole is formed in the inner wall of the tunnel body 1 in a matching manner with the external bolt 9, a square cavity is formed in the external bolt 9, and an auxiliary mechanism is arranged in the square cavity and is used for improving the stability of connection between the U-shaped fixing plate 4 and the tunnel body 1 so as to support the tunnel body 1; the complementary unit sets up the halfpace piece 5 in square intracavity including sliding, rotate threaded rod 6 and the internal thread section of thick bamboo 7 of screw thread setting in 6 one ends of threaded rod that sets up at halfpace piece 5 side, the cylinder hole has been seted up to square chamber side, and 7 one end activities of internal thread section of thick bamboo run through out the cylinder hole, internal thread section of thick bamboo 7 rotates with the cylinder hole and sets up, the circular port has been seted up to square intracavity end symmetry, it is equipped with dead lever 8 to slide in the circular port, dead lever 8 the inner be equipped with halfpace piece 5 complex triangle piece 10, the cover is equipped with reset spring 11 on the dead lever 8 outer wall between triangle piece 10 and the square chamber, interior hexagonal groove has been seted up at 7 terminal surface middle parts of internal thread section of thick bamboo.
The utility model discloses in, even being equipped with a plurality of rubber lug on the 3 outer walls of rubber pad, and rubber lug's cross section is three horn shapes, all with be equipped with a plurality of arc lugs on the 3 inner walls of rubber pad, cooperation arc lug is seted up flutedly on the 4 outer walls of U type fixed plate, through rubber lug's use, the frictional force between the tunnel body 1 of being convenient for and U type fixed plate 4 to make tunnel body 1 be connected with U type fixed plate 4 more stable, further be convenient for support tunnel body 1.
In the utility model, the outer wall of one end of the internal thread cylinder 7 is provided with an annular slide block 12, the inner wall of the cylindrical hole is provided with an annular chute matched with the annular slide block 12, and the internal thread cylinder 7 can rotate conveniently by using the annular slide block 12; a plurality of ball grooves are evenly formed in the outer wall of the annular sliding block 12, balls are movably clamped in the ball grooves and contact with the inner wall of the annular sliding groove, friction force between the annular sliding block 12 and the annular sliding groove is convenient to reduce through the use of the balls, and therefore rotation of the internal thread cylinder 7 is convenient.
In the utility model, the outer wall of the fixed rod 8 is symmetrically provided with the bar-shaped sliding blocks, the inner wall of the circular hole is matched with the bar-shaped sliding blocks to be provided with the bar-shaped sliding grooves, and the fixed rod 8 is prevented from being separated from the circular hole by using the bar-shaped sliding blocks, and the fixed rod 8 can slide conveniently; evenly on the 4 outer walls of U type fixed plate be equipped with a plurality of stock 2, in the stock 2 activity runs through out tunnel body 1 and extends to the rock, evenly on the 2 outer walls of stock be equipped with many burrs, be convenient for increase the area of contact of stock 2 and rock to be convenient for carry out stable support to tunnel body 1.
The working principle is as follows: when the U-shaped fixing plate 4 of the utility model is installed, the U-shaped fixing plate 4 is firstly placed in the tunnel body 1, and then the outer bolt 9 is screwed into the outer threaded hole in the tunnel body 1, so as to fix the tunnel body 1;
then, in inserting the interior hexagonal inslot on the internal thread section of thick bamboo 7 with the hexagon socket head wrench, and rotate the hexagon socket head wrench, and then drive internal thread section of thick bamboo 7 and rotate, the rotation through internal thread section of thick bamboo 7 drives 6 horizontal migration of threaded rod, thereby drive terraced piece 5 horizontal migration, when terraced piece 5 and three hornblocks 10 contact, can jack-up three hornblocks 10, thereby with ejecting outer bolt 9 of dead lever 8, make dead lever 8 and tunnel body 1 contact, increase tunnel body 1 and outer bolt 9's area of contact, thereby be convenient for carry out stable fixed to U type fixed plate 4, further be favorable to the stable fixed of tunnel body 1.
The above, only be the embodiment of the preferred 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, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a reinforcing apparatus for be used for coal mine tunnel inner wall high efficiency to strut, includes tunnel body (1), its characterized in that: a U-shaped fixing plate (4) is arranged in the roadway body (1), a rubber pad (3) is arranged between the U-shaped fixing plate (4) and the roadway body (1), a plurality of first threaded holes are formed in the inner wall of the U-shaped fixing plate (4), an outer bolt (9) is connected to the first threaded holes in an internal thread mode, an outer threaded hole is formed in the inner wall of the roadway body (1) in a matched mode with the outer bolt (9), a square cavity is formed in the outer bolt (9), and an auxiliary mechanism is arranged in the square cavity;
the auxiliary mechanism comprises a step block (5) which is arranged in a square cavity in a sliding mode, a threaded rod (6) which is arranged on one side face of the step block (5) in a rotating mode and an internal thread cylinder (7) which is arranged at one end of the threaded rod (6) in a threaded mode, a cylindrical hole is formed in one side face of the square cavity, one end of the internal thread cylinder (7) movably penetrates through the cylindrical hole, the internal thread cylinder (7) rotates with the cylindrical hole, a circular hole is formed in the inner end of the square cavity symmetrically, a fixing rod (8) is arranged in the circular hole in a sliding mode, a triangular block (10) matched with the step block (5) is arranged at the inner end of the fixing rod (8), a reset spring (11) is sleeved on the outer wall of the fixing rod (8) between the triangular block (10) and the square cavity, and an internal hexagonal groove is formed in the middle of one end face of the internal thread cylinder (7).
2. The reinforcing device for the efficient support of the inner wall of the coal mine roadway according to claim 1, is characterized in that: the rubber pad (3) is characterized in that a plurality of rubber lugs are uniformly arranged on the outer wall of the rubber pad (3), the cross sections of the rubber lugs are triangular, a plurality of arc lugs are arranged on the inner wall of the rubber pad (3), and grooves are formed in the outer wall of the U-shaped fixing plate (4) in a matched mode.
3. The reinforcing device for the efficient support of the inner wall of the coal mine roadway according to claim 1, is characterized in that: an annular sliding block (12) is arranged on the outer wall of one end of the internal thread cylinder (7), and an annular sliding groove is formed in the inner wall of the cylindrical hole in a matched mode with the annular sliding block (12).
4. The reinforcing device for the efficient support of the inner wall of the coal mine roadway according to claim 3, is characterized in that: a plurality of ball grooves are uniformly formed in the outer wall of the annular sliding block (12), balls are movably clamped in the ball grooves, and the balls are in contact with the inner wall of the annular sliding groove.
5. The reinforcing device for the efficient support of the inner wall of the coal mine roadway according to claim 1, is characterized in that: the outer wall of the fixed rod (8) is symmetrically provided with strip-shaped sliding blocks, and the inner wall of the circular hole is matched with the strip-shaped sliding blocks to be provided with strip-shaped sliding grooves.
6. The reinforcing device for the efficient support of the inner wall of the coal mine roadway according to claim 1, characterized in that: evenly on U type fixed plate (4) outer wall be equipped with a plurality of stock (2), stock (2) activity is run through out tunnel body (1) and is extended to in the rock, evenly on stock (2) outer wall be equipped with many burrs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222728440.1U CN218235140U (en) | 2022-10-17 | 2022-10-17 | A reinforcing apparatus that is used for high-efficient strut of coal mine tunnel inner wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222728440.1U CN218235140U (en) | 2022-10-17 | 2022-10-17 | A reinforcing apparatus that is used for high-efficient strut of coal mine tunnel inner wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218235140U true CN218235140U (en) | 2023-01-06 |
Family
ID=84670203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222728440.1U Active CN218235140U (en) | 2022-10-17 | 2022-10-17 | A reinforcing apparatus that is used for high-efficient strut of coal mine tunnel inner wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218235140U (en) |
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2022
- 2022-10-17 CN CN202222728440.1U patent/CN218235140U/en active Active
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