CN217948842U

CN217948842U - Protective structure for dangerous rock falling of high and steep side slope of tunnel

Info

Publication number: CN217948842U
Application number: CN202222273492.4U
Authority: CN
Inventors: 赵昕; 谷辰; 杨亮平; 许强; 石伟嘉; 李云鹏; 杨振江; 李丹; 张东生; 姜慧琴; 史俊平; 夏一夫; 鲍思宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-12-02
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a high steep slope dangerous rock falling protective structure of tunnel belongs to abrupt slope protection technical field, including protection rack, steadying plate, connecting plate, protection rack is U-shaped structure and tunnel laminating, protection rack's both sides bottom face is equipped with the connecting plate respectively, the arc limit punishment in both sides is fixed with the frame plate respectively on the protection rack, frame plate and protection rack are U-shaped structure and fixed connection, the both ends of frame plate are fixed connection two connecting plates respectively; two threaded connection has the steadying plate respectively on the face that the connecting plate deviates from mutually, steadying plate and connecting plate laminating are the cuboid structure, and the one end of steadying plate has the spread groove, with the relative steadying plate other end of spread groove protrusion an organic whole is constructed there is the plug, the plug is pegged graft with the spread groove adaptation. This high steep slope dangerous rock falling rocks protective structure in tunnel reduces the influence of steep slope falling rocks to the tunnel driving in many ways.

Description

Protective structure for dangerous rock falling of high and steep side slope of tunnel

Technical Field

The utility model belongs to the technical field of the abrupt slope protection, especially, relate to a high steep slope dangerous rock falling stone protective structure in tunnel.

Background

The tunnel is the engineering building of embedding in the stratum, a form that the mankind utilized the underground space, both sides in tunnel exit are mostly mountain slope, because tunnel inside light is dim, and tunnel outside light is strong, so the car all can appear transient vision blank when going out the tunnel portal, be difficult to observe the rockfall on road surface, if the rockfall appears on the road surface this moment, the potential safety hazard is great, in the prior art, can all use the wire rope net to protect the abrupt slope, but the wire rope net still can exist the problem of omitting little rockfall, in the face of the car during the vision blank, be difficult to carry out effectual dodge, so the potential safety hazard still exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving prior art, among the prior art, all can use the wire rope net to protect the abrupt slope, but the wire rope net still can have the problem of revealing the little rock fall, in the face of the car during the vision blank, is difficult to carry out effectual avoiding, so still has the problem of potential safety hazard, and the high steep slope dangerous rock fall protective structure in tunnel that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high steep slope dangerous rock rockfall protection structure for a tunnel comprises a protection net rack, stabilizing plates and connecting plates, wherein the protection net rack is in a U-shaped structure and is attached to the tunnel, the bottom end faces of two sides of the protection net rack are respectively provided with the connecting plates, frame plates are respectively fixed at arc edges of two sides of the protection net rack, the frame plates and the protection net rack are in the U-shaped structure and are fixedly connected, and two end parts of each frame plate are respectively fixedly connected with two connecting plates;

the surfaces of the two connecting plates, which are far away from each other, are respectively in threaded connection with a stabilizing plate, the stabilizing plates and the connecting plates are in a cuboid structure in a joint mode, one end of each stabilizing plate is provided with a connecting groove, the other end of each stabilizing plate, which is opposite to the connecting groove, protrudes to form a whole, and a plug is formed, and the plug is in adaptive insertion connection with the connecting grooves;

the positioning sliding grooves are formed in the surfaces, facing the connecting plates, of the stabilizing plates and are distributed at intervals along the length direction of the stabilizing plates, the positioning sliding blocks are welded on the surfaces, facing the positioning sliding grooves, of the connecting plates in a protruding mode, and the positioning sliding blocks are connected with the positioning sliding grooves in a sliding mode.

Benefit from the setting of steadying plate, connecting plate and protection rack, can carry out the high-speed assortment in tunnel exit, protect the abrupt slope falling rocks of road both sides, and then effectively promote the security of tunnel driving.

Preferably, a plurality of locking bolts are further arranged on the stabilizing plate and distributed at intervals along the length direction of the stabilizing plate.

Benefit from the setting of locking bolt to make the steadying plate can fixed connection with ground to provide the holding power for the protection rack.

Preferably, the locking bolt vertically penetrates through the stabilizing plate and is in threaded connection with the embedded connecting pipe, and the embedded connecting pipe is fixedly connected with the ground in an inserting mode.

Benefit from the setting of pre-buried connecting pipe to make the stabilizer plate hide the hookup location, promote the aesthetic property of assembly.

Preferably, the upper surface of the end part of the stabilizing plate with the connecting groove is vertically inserted with a limiting pulling rod, and the limiting pulling rod is movably connected with the stabilizing plate.

Benefit from the setting of spacing pole of taking out, can establish ties between the stabilising plate, when the protection rack splices the multiunit along the road, can propose to establish ties fixedly between the stabilising plate to avoid bumping the stabilising plate in the construction stage, lead to the stabilising plate to shift, promote the efficiency of construction.

Preferably, the upper surface of one end of the plug extending into the slot is vertically provided with a jack, and the limiting drawing rod is in adaptive insertion with the jack.

Benefit from the setting of plug and slot for can establish ties each other between the steadying plate, when the synchronous concatenation of multiunit protection rack, can make steadying plate reciprocal anchorage, thereby make things convenient for subsequent construction operation.

Preferably, the side walls of the two ends of the connecting plate are provided with matching blocks, and the upper surfaces of the matching blocks extend inwards to form matching holes.

Benefit from the setting of cooperation piece for the protection rack has the function of being connected with the connecting plate.

Preferably, the side wall of the frame plate is fixedly connected with a limiting insertion rod corresponding to the embedding hole, the limiting insertion rod is inserted into the embedding hole in a matched mode, the limiting insertion rod is provided with a connecting hole, and a screw rod inserted into the connecting hole is installed on the outer wall of the matching block in a threaded mode.

To sum up, the utility model discloses a technological effect and advantage: this high steep slope dangerous rock falling rock protective structure in tunnel, through the steadying plate, the setting of connecting plate and protection rack, can carry out the high-speed assortment in the tunnel exit, protect the steep slope falling rock of road both sides, and then effectively promote the security of tunnel driving, promote the car to the observation definition of road falling rock, can be in order to play the protection with falling rock, can also play the transition effect between tunnel and external light, reduce the blank influence degree that rolls over the tunnel to the car of vision, many-sided reduction steep slope falling rock is to the influence of tunnel driving.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a structure of a protective net frame separated from a connecting plate and a stabilizing plate;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 4 is an enlarged schematic view of B in fig. 2.

In the figure: 1. a stabilizing plate; 2. a connecting plate; 3. a plug; 4. a frame plate; 5. a protective net frame; 6. positioning a slide block; 7. locking the bolt; 8. positioning the chute; 9. pre-burying a connecting pipe; 10. a limiting drawing rod; 11. connecting grooves; 12. a limiting inserted rod; 13. a matching block; 14. a fitting hole; 15. and connecting the holes.

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, a high steep side slope dangerous rock rockfall protective structure in tunnel, including protection rack 5, steadying plate 1, connecting plate 2, protection rack 5 is U-shaped structure and tunnel laminating, and protection rack 5's both sides bottom face is equipped with connecting plate 2 respectively, and protection rack 5 is gone up both sides arc limit punishment and is fixed with frame plate 4 respectively, and frame plate 4 is U-shaped structure and fixed connection with protection rack 5, and two connecting plates 2 of fixed connection are respectively at the both ends of frame plate 4.

Referring to fig. 2, a positioning sliding groove 8 is formed in the surface, facing the connecting plate 2, of the stabilizing plate 1, the positioning sliding grooves 8 are distributed at intervals along the length direction of the stabilizing plate 1, a positioning sliding block 6 is welded in a protruding mode on the surface, facing the positioning sliding groove 8, of the connecting plate 2, and the positioning sliding block 6 is connected with the positioning sliding grooves 8 in a sliding mode. The stabilizing plate 1 is further provided with a plurality of locking bolts 7, and the locking bolts 7 are distributed at intervals along the length direction of the stabilizing plate 1. The locking bolt 7 vertically penetrates through the stabilizing plate 1 and is in threaded connection with the embedded connecting pipe 9, and the embedded connecting pipe 9 is fixedly connected with the ground in an inserting mode. The side walls of the two ends of the connecting plate 2 are provided with matching blocks 13, and the upper surfaces of the matching blocks 13 extend inwards to form matching holes 14. The side wall of the frame plate 4 is fixedly connected with a limiting inserted rod 12 corresponding to the position of the embedding hole 14, the limiting inserted rod 12 is in adaptive insertion with the embedding hole 14, the limiting inserted rod 12 is provided with a connecting hole 15, and the outer wall of the matching block 13 is provided with a screw inserted into the connecting hole 15 in a threaded manner. The limiting insertion rods 12 on the side wall of the protective net rack 5 are inserted into the matching blocks 13 on the side wall of the connecting plate 2, and then the protective net rack 5 is fixed at the outlet of the tunnel by using screw thread fixation.

Referring to fig. 2 and 3, a limiting pull rod 10 is vertically inserted into the upper surface of the end of the stabilizing plate 1 with a connecting groove 11, and the limiting pull rod 10 is movably connected with the stabilizing plate 1. The upper surface of one end of the plug 3 extending into the slot is vertically provided with a jack, and the limiting pull rod 10 is in adaptive splicing with the jack. The limiting drawing rod 10 can connect a plurality of mutually spliced stabilizing plates 1 in series in advance and fix the plates.

Referring to fig. 1 and 3, the surfaces of two connecting plates 2 which deviate from each other are respectively connected with a stabilizing plate 1 through threads, the stabilizing plates 1 are attached to the connecting plates 2 and are of cuboid structures, a connecting groove 11 is formed in one end of each stabilizing plate 1, a plug 3 is integrally protruded from the other end of each stabilizing plate 1 opposite to the connecting groove 11, and the plug 3 is connected with the connecting groove 11 in an adaptive mode. The protection net rack 5 can be used by splicing a plurality of groups along the tunnel exit road and is selected according to actual use requirements.

The working principle is as follows: when the protective net rack is used, firstly, the stabilizing plate 1 is symmetrically distributed along two sides of a tunnel outlet, then the installation position of the embedded connecting pipe 9 is determined, holes are drilled in the ground, then the embedded connecting pipe 9 is inserted into the holes and is poured by cement mortar to fix the embedded connecting pipe 9, then the stabilizing plate 1 is placed above the embedded connecting pipe 9, the locking bolt 7 penetrates through the stabilizing plate 1 and is in threaded connection with the embedded connecting pipe 9, after the connection is completed, the connecting plate 2 is connected with the stabilizing plate 1, the connecting plate 2 is provided with the positioning slide block 6 matched with the positioning slide groove 8 on the stabilizing plate 1, the positioning slide groove 8 and the positioning slide block 6 can quickly determine the installation position of the connecting plate 2, so that the connecting plate 2 can be quickly in threaded connection with the stabilizing plate 1, after the threaded connection of the positioning slide block and the connecting plate 2, the bottom of the protective net rack 5 can be aligned with the connecting plate 2, the limiting inserted rods 12 on the side wall of the protective net rack 5 are inserted in an insertion connection with the matching blocks 13 on the side wall of the connecting plate 2, then the screw threads are used for fixing the side slope, the protective net rack 5 is fixed at the tunnel outlet, and further, and the protective net rack 5 can be prevented from falling rocks which are missed in time;

protection rack 5 keeps the same shape with the tunnel, relies on the mesh design of self, has certain light transmissivity, can also play the transition effect between tunnel and outside light with falling the protection of stone, reduces the influence degree that the vision is blank to the car and rolls off the tunnel, and furthest's promotion car is to the observation definition of highway.

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

1. A high steep slope dangerous rock falling stone protective structure of a tunnel comprises a protective net rack (5), stabilizing plates (1) and connecting plates (2), and is characterized in that the protective net rack (5) is in a U-shaped structure and is attached to the tunnel, the connecting plates (2) are respectively arranged on the bottom end faces of two sides of the protective net rack (5), frame plates (4) are respectively fixed to arc-shaped edges of two sides of the protective net rack (5), the frame plates (4) and the protective net rack (5) are in a U-shaped structure and are fixedly connected, and two connecting plates (2) are respectively fixedly connected to two end portions of each frame plate (4);

the surfaces, which are deviated from each other, of the two connecting plates (2) are respectively in threaded connection with a stabilizing plate (1), the stabilizing plates (1) and the connecting plates (2) are attached to each other to form a cuboid structure, a connecting groove (11) is formed in one end of each stabilizing plate (1), a plug (3) is integrally protruded from the other end of each stabilizing plate (1) opposite to the connecting groove (11), and the plug (3) is in adaptive insertion connection with the connecting groove (11);

stabilizer plate (1) has seted up location spout (8) on the face towards connecting plate (2), the length direction interval distribution of stabilizer plate (1) is followed in location spout (8), protruding welding on the face of connecting plate (2) orientation location spout (8) has location slider (6), location slider (6) and location spout (8) sliding connection.

2. A high steep slope dangerous rock falling rock protective structure in tunnel according to claim 1, characterized in that still be equipped with many locking bolts (7) on stabilizer plate (1), many locking bolts (7) along stabilizer plate's (1) length direction interval distribution.

3. The protective structure for the high and steep slope dangerous rock falling rocks in the tunnel according to claim 2, characterized in that the locking bolt (7) vertically penetrates through the stabilizing plate (1) and is in threaded connection with an embedded connecting pipe (9), and the embedded connecting pipe (9) is fixedly inserted with the ground.

4. The protective structure for the dangerous falling rocks on the high and steep side slope of the tunnel according to claim 1, characterized in that a limiting drawing rod (10) is vertically inserted into the upper surface of the end part of the stabilizing plate (1) with the connecting groove (11), and the limiting drawing rod (10) is movably connected with the stabilizing plate (1).

5. The high and steep side slope dangerous rock falling rock protective structure of the tunnel according to claim 4, wherein the upper surface of one end of the plug (3) extending into the slot is vertically provided with a jack, and the limiting pull rod (10) is in adaptive insertion connection with the jack.

6. The protective structure for the high and steep slope dangerous falling rocks of the tunnel according to claim 1, characterized in that the side walls at both ends of the connecting plate (2) are provided with matching blocks (13), and the upper surfaces of the matching blocks (13) extend inwards to form matching holes (14).

7. The tunnel high and steep slope dangerous rock falling stone protection structure according to claim 6, characterized in that a position corresponding to the embedding hole (14) on the side wall of the frame plate (4) is fixedly connected with a limit inserted rod (12), the limit inserted rod (12) is inserted into the embedding hole (14) in a matching manner, the limit inserted rod (12) is provided with a connecting hole (15), and a screw rod inserted into the connecting hole (15) is installed on the outer wall of the matching block (13) in a threaded manner.