CN220551137U - Safety protection device for large-section rock tunnel construction - Google Patents
Safety protection device for large-section rock tunnel construction Download PDFInfo
- Publication number
- CN220551137U CN220551137U CN202322167212.6U CN202322167212U CN220551137U CN 220551137 U CN220551137 U CN 220551137U CN 202322167212 U CN202322167212 U CN 202322167212U CN 220551137 U CN220551137 U CN 220551137U
- Authority
- CN
- China
- Prior art keywords
- movable
- plate
- supporting plate
- wall
- protection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010276 construction Methods 0.000 title claims abstract description 17
- 239000011435 rock Substances 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 238000001125 extrusion Methods 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a safety protection device for large-section rock tunnel construction, which comprises a supporting plate, wherein a reinforcing mechanism is arranged in the supporting plate and comprises a plurality of anchors, a movable cavity is formed in the supporting plate, a movable plate is slidably arranged on the inner wall of the movable cavity, the anchors are fixedly connected to the bottom end of the movable plate, a plurality of communication holes are formed in the bottom end of the supporting plate, the positions of the anchors are opposite to the positions of the communication holes respectively, and an extrusion mechanism is arranged between the fixing mechanism and the movable plate. According to the utility model, by means of the arrangement of the movable cavity, the movable plate, the anchor nails and the communication holes, when the screw is screwed towards the ground, the screw drives the extrusion mechanism to extrude the movable plate, so that the movable plate descends in the movable cavity, and the movable plate descends to drive the anchor nails communication holes to be inserted into the ground, thereby increasing the connection strength of the support plate and the ground, ensuring that the support plate is not easy to collapse, and improving the use stability of the support plate.
Description
Technical Field
The utility model relates to the technical field of tunnel construction protection, in particular to a safety protection device for large-section rock tunnel construction.
Background
When the large-section rock area is subjected to tunnel construction, two sides of the tunnel are required to be supported and protected, the phenomenon that two sides of the tunnel collapse is avoided, the conventional supporting and protecting device is a supporting plate with an L-shaped section, one surface of the supporting plate tightly props against the wall surface of the tunnel, the other surface of the supporting plate props against the ground of the tunnel, then the supporting plate is fixed by penetrating the supporting plate through a screw and screwing in the ground, but the supporting plate and the ground are relatively poor in connection strength due to the fact that the supporting plate is solely fixed through the screw, so that the supporting plate is subjected to relatively large extrusion, the use stability of the supporting plate is reduced, and therefore, the safety protecting device for large-section rock tunnel construction is provided.
Disclosure of Invention
The utility model aims to provide a safety protection device for large-section rock tunnel construction, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the safety protection device for large-section rock tunnel construction comprises a supporting plate, wherein the bottom end of the supporting plate is provided with a fixing mechanism, and the inside of the supporting plate is provided with a reinforcing mechanism;
the reinforcing mechanism comprises a plurality of anchor nails, a movable cavity is formed in the support plate, a movable plate is slidably arranged on the inner wall of the movable cavity, the anchor nails are fixedly connected to the bottom end of the movable plate, a plurality of communication holes are formed in the bottom end of the support plate, the positions of the anchor nails are opposite to the positions of the communication holes respectively, an extrusion mechanism is arranged between the fixing mechanism and the movable plate, and a reset mechanism is arranged at the bottom end of the movable plate.
Preferably, the fixing mechanism comprises a screw, a first movable hole is formed in the bottom end of the supporting plate, and the outer wall of the screw is movably inserted and connected with the inner wall of the first movable hole.
Preferably, the extrusion mechanism comprises an extrusion ring, the extrusion ring is fixedly sleeved on the outer wall of the screw, the top end of the supporting plate is provided with a movable groove, the top end of the movable plate is provided with a second movable hole, and the outer wall of the screw is movably inserted and connected with the inner wall of the second movable hole.
Preferably, the reset mechanism comprises a plurality of springs, the top ends of the springs are connected with the bottom ends of the movable plates, and the bottom ends of the springs are connected with the bottom ends of the inner walls of the movable cavities.
Preferably, a fixing rod is inserted in the spring, the fixing rod is fixedly connected to the inner wall of the movable cavity, a limiting hole is formed in the top end of the movable plate, and the outer wall of the fixing rod is movably inserted and connected with the inner wall of the limiting hole.
Preferably, the bottom end of the movable plate is fixedly connected with a propping ring, a third movable hole is formed in the top end of the propping ring, and the outer wall of the screw is movably inserted and connected with the inner wall of the third movable hole.
Preferably, the front of backup pad fixedly connected with reinforcing plate, the bottom and the fixed surface of backup pad of reinforcing plate are connected.
The utility model has the technical effects and advantages that:
according to the utility model, by means of the arrangement of the movable cavity, the movable plate, the anchor nails and the communication holes, when the screw is screwed towards the ground, the screw drives the extrusion mechanism to extrude the movable plate, so that the movable plate descends in the movable cavity, and the movable plate descends to drive the anchor nails communication holes to be inserted into the ground, thereby increasing the connection strength of the support plate and the ground, ensuring that the support plate is not easy to collapse, and improving the use stability of the support plate.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
FIG. 2 is a schematic side sectional view of the movable plate of the present utility model.
Fig. 3 is a schematic view of a partial enlarged structure at a of fig. 2 according to the present utility model.
In the figure: 101. a support plate; 102. a reinforcing plate; 201. a movable cavity; 202. a movable plate; 203. anchoring nails; 204. a communication hole; 301. a first movable hole; 302. a screw; 401. a movable groove; 402. a pressing ring; 403. a second movable hole; 501. a spring; 502. a fixed rod; 503. a limiting hole; 601. a support ring; 602. and a third movable hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a safety protection device for large-section rock tunnel construction as shown in fig. 1-3, which comprises a supporting plate 101, wherein the bottom end of the supporting plate 101 is provided with a fixing mechanism, the inside of the supporting plate 101 is provided with a reinforcing mechanism, the supporting plate 101 is fixed on the ground of a tunnel through propping the back surface of the supporting plate 101 against the rock wall of the tunnel and then through the fixing mechanism, so that the side edge collapse of the tunnel is avoided through the blocking of the supporting plate 101, the fixing mechanism comprises a screw 302, the bottom end of the supporting plate 101 is provided with a first movable hole 301, the outer wall of the screw 302 is movably connected with the inner wall of the first movable hole 301 in a penetrating way, and the supporting plate 101 and the ground of the tunnel can be fixed through penetrating the screw 302 into the first movable hole 301, so that the supporting plate 101 can be stably used;
the reinforcing mechanism comprises a plurality of anchors 203, a movable cavity 201 is formed in the supporting plate 101, a movable plate 202 is slidably arranged on the inner wall of the movable cavity 201, the anchors 203 are fixedly connected to the bottom end of the movable plate 202, a plurality of communication holes 204 are formed in the bottom end of the supporting plate 101, the positions of the anchors 203 are opposite to the positions of the communication holes 204 respectively, an extrusion mechanism is arranged between the fixing mechanism and the movable plate 202, a reset mechanism is arranged at the bottom end of the movable plate 202, when a screw 302 is screwed to the ground, the screw 302 drives the extrusion mechanism to extrude the movable plate 202, so that the movable plate 202 descends in the movable cavity 201, the movable plate 202 descends to drive the communication holes 204 of the anchors 203 and to be inserted into the ground, the connection strength between the supporting plate 101 and the ground is improved, the supporting plate 101 is not easy to collapse, and the use stability of the supporting plate 101 is improved;
preferentially, the extruding mechanism comprises an extruding ring 402, the extruding ring 402 is fixedly sleeved on the outer wall of the screw 302, the top end of the supporting plate 101 is provided with a movable groove 401, the top end of the movable plate 202 is provided with a second movable hole 403, the outer wall of the screw 302 is movably connected with the inner wall of the second movable hole 403 in a penetrating way, when the screw 302 moves downwards, the extruding ring 402 is driven to descend, the extruding ring 402 penetrates through the movable groove 401 to prop against the movable plate 202, so that the extruding ring 402 downwards extrudes the movable plate 202 along with the descending of the screw 302, and the extruded movable plate 202 descends to drive a plurality of anchor nails 203 to descend;
preferentially, the reset mechanism comprises a plurality of springs 501, the top ends of the plurality of springs 501 are connected with the bottom ends of the movable plate 202, the bottom ends of the plurality of springs 501 are connected with the bottom ends of the inner wall of the movable cavity 201, the movable plate 202 is extruded by the extrusion ring 402 to descend, the movable plate 202 descends to compress the springs 501, meanwhile, under the elastic action of the springs 501, when the movable plate 202 is not extruded by the extrusion ring 402, the movable plate 202 is fixed on the top of the inner cavity of the movable cavity 201 by the springs 501, the anchor 203 is prevented from exposing the communication hole 204, and the moving convenience of the support plate 101 is ensured;
preferentially, a fixed rod 502 is inserted in the spring 501, the fixed rod 502 is fixedly connected to the inner wall of the movable cavity 201, a limiting hole 503 is formed in the top end of the movable plate 202, the outer wall of the fixed rod 502 is movably inserted and connected with the inner wall of the limiting hole 503, and the phenomenon of deflection or rotation cannot occur in the lifting process of the movable plate 202 through mutual limiting of the fixed rod 502 and the limiting hole 503, so that the moving stability of the movable plate 202 is improved;
preferentially, the bottom end of the movable plate 202 is fixedly connected with a propping ring 601, a third movable hole 602 is formed in the top end of the propping ring 601, the outer wall of the screw 302 is movably connected with the inner wall of the third movable hole 602 in a penetrating way, the propping ring 601 descends due to the descending of the movable plate 202 until the propping ring 601 butts against the bottom end of the inner wall of the movable cavity 201, so that the movable plate 202 does not butt against the bottom end of the inner wall of the movable cavity 201, and the spring 501 is prevented from being crushed;
preferentially, the front surface of the supporting plate 101 is fixedly connected with the reinforcing plate 102, the bottom end of the reinforcing plate 102 is fixedly connected with the surface of the supporting plate 101, and the strength of the L-shaped supporting plate 101 is increased through the reinforcing plate 102, so that the phenomenon that the supporting plate 101 is extruded to deform is avoided, and the use strength of the supporting plate 101 is improved.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The safety protection device for large-section rock tunnel construction comprises a supporting plate (101), wherein a fixing mechanism is arranged at the bottom end of the supporting plate (101), and the safety protection device is characterized in that a reinforcing mechanism is arranged in the supporting plate (101);
the reinforcing mechanism comprises a plurality of anchors (203), a movable cavity (201) is formed in the supporting plate (101), a movable plate (202) is arranged on the inner wall of the movable cavity (201) in a sliding mode, the anchors (203) are fixedly connected to the bottom end of the movable plate (202), a plurality of communication holes (204) are formed in the bottom end of the supporting plate (101), the positions of the anchors (203) are opposite to the positions of the communication holes (204), an extrusion mechanism is arranged between the fixing mechanism and the movable plate (202), and a reset mechanism is arranged at the bottom end of the movable plate (202).
2. The safety protection device for large-section rock tunnel construction according to claim 1, wherein the fixing mechanism comprises a screw (302), a first movable hole (301) is formed in the bottom end of the supporting plate (101), and the outer wall of the screw (302) is movably inserted and connected with the inner wall of the first movable hole (301).
3. The safety protection device for large-section rock tunnel construction according to claim 2, wherein the extrusion mechanism comprises an extrusion ring (402), the extrusion ring (402) is fixedly sleeved on the outer wall of the screw (302), the top end of the supporting plate (101) is provided with a movable groove (401), the top end of the movable plate (202) is provided with a second movable hole (403), and the outer wall of the screw (302) is movably inserted and connected with the inner wall of the second movable hole (403).
4. The safety protection device for large-section rock tunnel construction according to claim 1, wherein the reset mechanism comprises a plurality of springs (501), the top ends of the springs (501) are connected with the bottom ends of the movable plates (202), and the bottom ends of the springs (501) are connected with the bottom ends of the inner walls of the movable cavities (201).
5. The safety protection device for large-section rock tunnel construction according to claim 4, wherein a fixed rod (502) is inserted in the spring (501), the fixed rod (502) is fixedly connected to the inner wall of the movable cavity (201), a limit hole (503) is formed in the top end of the movable plate (202), and the outer wall of the fixed rod (502) is movably inserted and connected with the inner wall of the limit hole (503).
6. The safety protection device for large-section rock tunnel construction according to claim 2, wherein the bottom end of the movable plate (202) is fixedly connected with a propping ring (601), a third movable hole (602) is formed in the top end of the propping ring (601), and the outer wall of the screw (302) is movably inserted and connected with the inner wall of the third movable hole (602).
7. The safety protection device for large-section rock tunnel construction according to claim 1, wherein the front surface of the supporting plate (101) is fixedly connected with a reinforcing plate (102), and the bottom end of the reinforcing plate (102) is fixedly connected with the surface of the supporting plate (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322167212.6U CN220551137U (en) | 2023-08-11 | 2023-08-11 | Safety protection device for large-section rock tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322167212.6U CN220551137U (en) | 2023-08-11 | 2023-08-11 | Safety protection device for large-section rock tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220551137U true CN220551137U (en) | 2024-03-01 |
Family
ID=90004450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322167212.6U Active CN220551137U (en) | 2023-08-11 | 2023-08-11 | Safety protection device for large-section rock tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220551137U (en) |
-
2023
- 2023-08-11 CN CN202322167212.6U patent/CN220551137U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211368740U (en) | A foundation ditch supporting construction for construction | |
| CN220551137U (en) | Safety protection device for large-section rock tunnel construction | |
| CN208578219U (en) | A kind of corrugation curtain wall board fixer | |
| CN112376897A (en) | Secondary shockproof and impact-resistant building aluminum formwork | |
| CN217400012U (en) | Building outer curtain wall fixed mounting equipment | |
| CN212563281U (en) | Valve column integrated hydraulic support pillar for coal mine | |
| CN216238520U (en) | Geotechnical engineering pile pulling auxiliary device | |
| CN214169682U (en) | Lightning protection fulcrum mounting structure for housing construction | |
| CN211474144U (en) | Fixing and supporting mechanism for coal mine tunnel | |
| CN214220568U (en) | Support that bearing capacity is strong and is stabilized high lift scaffold frame and use | |
| CN205421736U (en) | Structure of lockstitching a border of contour plate | |
| CN210067528U (en) | A bracing piece U type spare for assembly type structure construction | |
| CN209976564U (en) | Three-stage isolation paste filling type hydraulic support | |
| CN208501996U (en) | A kind of wind-proof curtain wall | |
| CN221074298U (en) | Temporary supporting structure for tunnel | |
| CN218669417U (en) | Coal mine safety supporting device | |
| CN216767429U (en) | Coal road tunneling anchor net cable support forepoling support | |
| CN216713579U (en) | Prefabricated wallboard of assembled for building engineering with buffering safeguard function | |
| CN211341687U (en) | All-steel climbing frame with stable structure | |
| CN114645723B (en) | High ground stress interbedded tunnel control large deformation combined supporting structure | |
| CN217028239U (en) | Top supporting structure for indoor house building | |
| CN217204618U (en) | Energy-saving assembled steel component | |
| CN219196063U (en) | Earthquake-resistant structure for building | |
| CN215950217U (en) | Shock-absorbing device for constructional engineering equipment | |
| CN217949794U (en) | Building engineering assembled support structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |