CN213743441U - Tunnel support crossbeam integrated configuration - Google Patents
Tunnel support crossbeam integrated configuration Download PDFInfo
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- CN213743441U CN213743441U CN202023065722.5U CN202023065722U CN213743441U CN 213743441 U CN213743441 U CN 213743441U CN 202023065722 U CN202023065722 U CN 202023065722U CN 213743441 U CN213743441 U CN 213743441U
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Abstract
The utility model discloses a tunnel supporting crossbeam integrated configuration relates to tunnel supporting device technical field, this tunnel supporting crossbeam integrated configuration, including the wall body, erect steel and the roof beam body, the fixed orifices has been seted up to the inside of wall body, the inner wall fixedly connected with crab-bolt device of fixed orifices, the one end fixedly connected with built-in fitting of crab-bolt device, the inside of wall body is provided with the anchor net, built-in fitting fixed connection is on the surface of anchor net, erect steel fixed connection in the side of wall body inner wall, roof beam body fixed connection is at the top of wall body inner wall. The utility model discloses a set up crab-bolt device, connecting rod and nut, it is good to have reached the supporting effect, strong adaptability's effect to solve the relation of connection between the steelframe weak, strut the total area of formation little, the position that does not have the steelframe only leans on the anchor net to support, and when the rock takes place deformation and fracture, steelframe adaptability is weak, and the steelframe both sides are bloated, appear the problem of roof delaminating phenomenon.
Description
Technical Field
The utility model relates to a roadway support device technical field specifically is a roadway support crossbeam integrated configuration.
Background
The coal mine in China is mainly underground mining, a large number of roadways need to be excavated underground, roadway support is adopted to keep the roadways smooth and surrounding rocks stable, the important significance is provided for coal mine construction and production, the basic purpose of supporting the roadways is to alleviate and reduce the movement of the surrounding rocks, so that the section of the roadway is not excessively reduced, meanwhile, the scattered and damaged surrounding rocks are prevented from falling off, and the roadway support effect is not only dependent on the supporting force of a support, but also influenced by a series of factors such as the nature of the surrounding rocks, the mechanical property of the support, the installation density of the support, the time of installing the support, the installation quality of the support, the contact mode of the support and the surrounding rocks.
In the prior art, after underground mining of the existing common roadway support, concrete guniting is carried out on exposed rocks on the inner wall of the roadway, the rocks are isolated from being in contact with air and moisture, anchor nets are laid again, anchor rods are installed, concrete guniting is carried out, the supporting effect is enhanced, I-shaped steel supports for roadway support are erected again, concrete guniting is carried out for the last time after erection, the connection relation between steel frames is weak, the total area formed by supporting is small, the positions without the steel frames are only supported by the anchor nets, when the rocks deform and break, the adaptability of the steel frames is weak, two sides of the steel frames bulge out, and the phenomenon of top plate delamination occurs.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cross beam integrated configuration is strutted in tunnel possesses the supporting effect good, strong adaptability's advantage to solve the relation of connection between the steelframe weak, strut the total area of formation little, the position that does not have the steelframe only leans on the anchor net to support, and when the rock takes place deformation and fracture, steelframe adaptability is weak, and the steelframe both sides are bloated, appear the problem of roof delaminating phenomenon.
For realizing that the support effect is good, strong adaptability purpose, the utility model provides a following technical scheme: the utility model provides a roadway support crossbeam integrated configuration, includes the wall body, erects steel and the roof beam body, the fixed orifices has been seted up to the inside of wall body, the inner wall fixedly connected with crab-bolt device of fixed orifices, the one end fixedly connected with built-in fitting of crab-bolt device, the inside of wall body is provided with the anchor net, built-in fitting fixed connection is on the surface of anchor net, erect steel fixed connection in the side of wall body inner wall, roof beam body fixed connection is at the top of wall body inner wall, the fixed surface that keeps away from the anchor net of built-in fitting is connected with the connecting rod, the mounting hole has all been seted up on the surface of erecting steel and roof beam body, the inner wall of mounting hole and the surperficial swing joint of connecting rod, the surperficial threaded connection of connecting rod has the nut.
The anchor bolt device comprises a fixed rod, a sliding rod and a sliding pipe, wherein the sliding rod is fixedly connected at one end of the fixed rod, the sliding rod is slidably connected to the inner wall of the sliding pipe, one end of the sliding rod, far away from the fixed rod, of the sliding rod is fixedly connected with a limiting block, and the sliding pipe is close to one end of the fixed rod and is fixedly connected with a limiting ring.
As a preferred technical scheme of the utility model, the spring has been cup jointed on the surface of slide bar, the one end of spring and the side fixed connection of stopper, the other end of spring and the side fixed connection of spacing ring.
As an optimized technical scheme of the utility model, the side fixedly connected with blotter of stopper.
As an optimized technical scheme of the utility model, the side fixedly connected with rubber pad that the spacing ring is close to the dead lever.
As an optimal technical scheme of the utility model, the built-in fitting with the roof beam body mutually perpendicular sets up, the built-in fitting with erect steel mutually perpendicular and set up.
As an optimal technical scheme of the utility model, one side that the nut is close to the built-in fitting is provided with the gasket, the gasket cup joints the surface at the connecting rod, anti-skidding line has been seted up on the surface of gasket.
Compared with the prior art, the utility model provides a tunnel supporting beam integrated configuration possesses following beneficial effect:
1. the roadway support beam combined structure is characterized in that an anchor bolt device, a connecting rod and a nut are arranged, besides an anchor bolt which is arranged on the support device, the anchor bolt device is additionally arranged, vertical steel and a beam body are connected with the connecting rod through a mounting hole, the connecting rod is fixedly connected with the anchor bolt device through an embedded part, the rock can drive a sliding rod to slide outwards when cracking or expanding, the sliding rod reversely pulls the rock to slow down the cracking expansion of the rock, meanwhile, the sliding rod can compress a spring when moving, the elastic force of the spring further prevents the sliding rod from moving, so that the cracking and expansion degree of the rock is slowed down, the service life of the vertical steel and the beam body is prolonged, besides the rock change, the rock change is supported, the rock change is slowed down, the supporting effect is good, the effect of strong adaptability is achieved, the problem that the connection relation between steel frames is weak is solved, the total area formed by support is small, the position without the steel frames is only supported by an anchor net, when the rock is deformed and fractured, the steel frame has weak adaptability, two sides of the steel frame bulge out, and the phenomenon of top plate delamination occurs.
2. This tunnel supporting crossbeam integrated configuration sets up the built-in fitting through setting up the built-in fitting on the anchor net, and the built-in fitting is fixed on the anchor net, and the built-in fitting all sets up perpendicularly with erecting steel and roof beam body, and the holding power of built-in fitting reinforcing anchor net is fixed the rock from erecting steel and roof beam body vertical direction, avoids the rock to extrude from erecting the gap between the steel and between the roof beam body, prevents that the rock from directly extruding perpendicular steel and roof beam body, makes perpendicular steel and roof beam body damage, has reached the effect of reinforcing support degree.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
fig. 3 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.
In the figure: 1. a wall body; 2. erecting steel; 3. a beam body; 4. a fixing hole; 5. an anchor bolt device; 501. fixing the rod; 502. a slide bar; 503. a slide pipe; 504. a limiting block; 505. a limiting ring; 6. embedding parts; 7. anchoring the net; 8. a connecting rod; 9. mounting holes; 10. a nut; 11. a spring; 12. a cushion pad; 13. a rubber pad; 14. and (7) a gasket.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model discloses a roadway support beam composite structure, including wall body 1, perpendicular steel 2 and roof beam body 3, fixed orifices 4 have been seted up to the inside of wall body 1, the inner wall of fixed orifices 4 is fixedly connected with crab-bolt device 5, one end fixedly connected with built-in fitting 6 of crab-bolt device 5, the inside of wall body 1 is provided with anchor net 7, built-in fitting 6 is fixedly connected at the surface of anchor net 7, perpendicular steel 2 is fixedly connected at the side of the inner wall of wall body 1, roof beam body 3 is fixedly connected at the top of the inner wall of wall body 1, the surface of built-in fitting 6 that is far away from anchor net 7 is fixedly connected with connecting rod 8, the surface of perpendicular steel 2 and roof beam body 3 has all seted up mounting hole 9, the inner wall of mounting hole 9 is connected with the surface swing joint of connecting rod 8, the surface threaded connection of connecting rod 8 has nut 10;
the anchor bolt device 5 comprises a fixed rod 501, a sliding rod 502 and a sliding tube 503, wherein the sliding rod 502 is fixedly connected at one end of the fixed rod 501, the sliding rod 502 is slidably connected at the inner wall of the sliding tube 503, one end of the sliding rod 502 far away from the fixed rod 501 is fixedly connected with a limit block 504, and one end of the sliding tube 503 near the fixed rod 501 is fixedly connected with a limit ring 505.
Specifically, the surface of the sliding rod 502 is sleeved with a spring 11, one end of the spring 11 is fixedly connected with the side surface of the limiting block 504, and the other end of the spring 11 is fixedly connected with the side surface of the limiting ring 505.
In this embodiment, the spring 11 will extend back when compressed, generating resistance, so that the rock is not easy to drive the sliding rod 502 to slide.
Specifically, the side of the limiting block 504 is fixedly connected with the cushion 12.
In this embodiment, when the anchor bolt device 5 is prevented from being installed, the internal structure is hard to touch, so that the anchor bolt device 5 is damaged.
Specifically, a rubber pad 13 is fixedly connected to the side surface of the limiting ring 505 close to the fixing rod 501.
In this embodiment, when the sliding tube 503 is pushed into the inner wall of the fixing hole 4, the fixing rod 501 generates a large pressure, and the rubber pad 13 has buffering and shock-absorbing functions to prevent the sliding tube 503 from being damaged by the fixing rod 501.
Specifically, the embedded part 6 and the beam body 3 are arranged perpendicular to each other, and the embedded part 6 and the vertical steel 2 are arranged perpendicular to each other.
In the embodiment, the embedded part 6, the beam body 3 and the vertical steel 2 are perpendicular to each other, and form a net-shaped supporting structure with the beam body 3 and the vertical steel 2, so that the rock is fixed in the direction perpendicular to the vertical steel 2 and the beam body 3, and the rock is prevented from being extruded from gaps between the vertical steel 2 and between the beam bodies 3.
Specifically, a gasket 14 is arranged on one side, close to the embedded part 6, of the nut 10, the gasket 14 is sleeved on the surface of the connecting rod 8, and anti-skid grains are formed in the surface of the gasket 14.
In this embodiment, the fixing effect is enhanced by the spacer 14, and the nut 10 is prevented from loosening and falling.
The utility model discloses a theory of operation and use flow: the anchor net 7 is provided with an embedded part 6, the embedded part 6 is fixed on the anchor net 7, the embedded part 6 is vertically arranged with the vertical steel 2 and the beam body 3, the embedded part 6 enhances the supporting force of the anchor net 7, the rock is fixed from the direction vertical to the vertical steel 2 and the beam body 3, the rock is prevented from extruding out from the gap between the vertical steel 2 and the beam body 3, the rock is prevented from directly extruding the vertical steel 2 and the beam body 3, the vertical steel 2 and the beam body 3 are damaged, besides the anchor rod of the supporting device, an anchor bolt device 5 is additionally arranged, the rock layer of the wall body 1 is provided with a fixing hole 4, the anchor bolt device 5 is fixed into the inner wall of the fixing hole 4, the embedded part 6 is fixed on the surface of the anchor net 7 when the anchor net 7 is laid, a connecting rod 8 is arranged on the surface of the embedded part 6, concrete slurry is laid later, the mounting part is reserved on the connecting rod 8, the vertical steel 2 and the beam body 3 are fixed through a mounting hole 9, connecting rod 8 passes through built-in fitting 6 and crab-bolt device 5 fixed connection, the rock can take slide bar 502 to outwards slide when fracture or inflation, slide bar 502 reverse pulling rock, the inflation of the fracture of slowing down the rock, simultaneously can compress spring 11 when slide bar 502 moves, the elasticity of spring 11 further prevents slide bar 502 to move to the degree that slows down the fracture and the inflation of rock, the life time that makes erect steel 2 and roof beam body 3 increases and has had the supporting role to the change of rock in addition, has still played the effect of slowing down.
In conclusion, when the roadway support beam combined structure is used, the anchor bolt device 5, the connecting rod 8 and the nut 10 are arranged, so that the effects of good support effect and strong adaptability are achieved, the problems that the connection relation between steel frames is weak, the total area formed by support is small, the position without the steel frame is only supported by the anchor net 7, when rocks are deformed and fractured, the adaptability of the steel frame is weak, two sides of the steel frame bulge out, and the phenomenon of top plate delamination occurs are solved.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a tunnel support crossbeam integrated configuration, includes wall body (1), perpendicular steel (2) and roof beam body (3), its characterized in that: a fixing hole (4) is arranged in the wall body (1), an anchor bolt device (5) is fixedly connected with the inner wall of the fixing hole (4), one end of the anchor bolt device (5) is fixedly connected with an embedded part (6), an anchor net (7) is arranged inside the wall body (1), the embedded parts (6) are fixedly connected to the surface of the anchor net (7), the vertical steel (2) is fixedly connected to the side surface of the inner wall of the wall body (1), the beam body (3) is fixedly connected with the top of the inner wall of the wall body (1), the surface of the embedded part (6) far away from the anchor net (7) is fixedly connected with a connecting rod (8), the surfaces of the vertical steel (2) and the beam body (3) are both provided with mounting holes (9), the inner wall of the mounting hole (9) is movably connected with the surface of the connecting rod (8), and the surface of the connecting rod (8) is in threaded connection with a nut (10);
the anchor bolt device (5) comprises a fixing rod (501), a sliding rod (502) and a sliding pipe (503), the sliding rod (502) is fixedly connected to one end of the fixing rod (501), the sliding rod (502) is slidably connected to the inner wall of the sliding pipe (503), one end of the sliding rod (502) is fixedly connected with a limiting block (504) far away from the fixing rod (501), and the sliding pipe (503) is close to one end of the fixing rod (501) and is fixedly connected with a limiting ring (505).
2. The roadway support beam composite structure of claim 1, wherein: the surface of the sliding rod (502) is sleeved with a spring (11), one end of the spring (11) is fixedly connected with the side face of the limiting block (504), and the other end of the spring (11) is fixedly connected with the side face of the limiting ring (505).
3. The roadway support beam composite structure of claim 1, wherein: the side surface of the limiting block (504) is fixedly connected with a cushion pad (12).
4. The roadway support beam composite structure of claim 1, wherein: the side surface of the limiting ring (505) close to the fixing rod (501) is fixedly connected with a rubber pad (13).
5. The roadway support beam composite structure of claim 1, wherein: the embedded part (6) and the beam body (3) are arranged in a mutually perpendicular mode, and the embedded part (6) and the vertical steel (2) are arranged in a mutually perpendicular mode.
6. The roadway support beam composite structure of claim 1, wherein: a gasket (14) is arranged on one side, close to the embedded part (6), of the nut (10), the gasket (14) is sleeved on the surface of the connecting rod (8), and anti-skid grains are formed in the surface of the gasket (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023065722.5U CN213743441U (en) | 2020-12-18 | 2020-12-18 | Tunnel support crossbeam integrated configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023065722.5U CN213743441U (en) | 2020-12-18 | 2020-12-18 | Tunnel support crossbeam integrated configuration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213743441U true CN213743441U (en) | 2021-07-20 |
Family
ID=76835834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023065722.5U Expired - Fee Related CN213743441U (en) | 2020-12-18 | 2020-12-18 | Tunnel support crossbeam integrated configuration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213743441U (en) |
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2020
- 2020-12-18 CN CN202023065722.5U patent/CN213743441U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210720 Termination date: 20211218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |