CN217380611U - Tunnel construction rockfall protector - Google Patents

Abstract

The utility model discloses a tunnel construction rock fall protector, the camera includes a supporting plate, the top of backup pad is equipped with the buffering frame, two recesses, two have been seted up to the upper surface of backup pad the two sets of springs of the equal fixedly connected with of interior diapire of recess, it is two sets of the top of spring all with the bottom surface fixed connection of buffering frame, the shrinkage pool has all been seted up to the left and right sides face of backup pad, two the inside of shrinkage pool all is equipped with the buffer board, two the fixed orifices, two have all been seted up in the front of buffer board the equal fixedly connected with bull stick of inner wall of fixed orifices, two the equal fixed embedding of inside wall of shrinkage pool has two bearings, two the surface of bull stick respectively with the inner circle fixed connection of two sets of bearings, two support frames of bottom surface fixedly connected with of backup pad. The utility model discloses reach the effect to protection in the tunnel work progress, reduce the potential safety hazard that the earth stone of landing brought for tunnel constructor, the safe construction that will be better.

Description

Tunnel construction rockfall protector

Technical Field

The application relates to the technical field of tunnel construction, especially, relate to a tunnel construction rockfall protector.

Background

Tunnel construction refers to a method for designing and constructing underground engineering, and comprises a tunnel construction method, a tunnel construction technology and tunnel construction management, wherein the tunnel engineering belongs to underground structures, the underground structures are various, the construction method and the technology for constructing the underground structures are also various, and the formation and the development of the construction method and the technology are related to the characteristics of the underground structures.

In the tunnel construction process, loose phenomenon appears in the soil stone in the tunnel easily, but during present tunnel construction, can't protect the tunnel rockfall, so the soil stone of landing will bring the potential safety hazard for the constructor in the tunnel, consequently for solving above problem, we provide a tunnel construction rockfall protector.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tunnel construction rockfall protector to solve the problem that proposes among the above-mentioned background art.

The embodiment of the application adopts the following technical scheme:

the utility model provides a tunnel construction rock fall protector, includes the backup pad, the top of backup pad is equipped with the buffering frame, two recesses, two have been seted up to the upper surface of backup pad the equal two sets of springs of fixedly connected with of interior diapire of recess, and are two sets of the top of spring all with the bottom surface fixed connection of buffering frame, the shrinkage pool has all been seted up, two to the left and right sides face of backup pad the inside of shrinkage pool all is equipped with the buffer board, two the fixed orifices has all been seted up in the front of buffer board, two the equal fixedly connected with bull stick of inner wall of fixed orifices, two the equal fixed two bearings of inlaying of inside wall of shrinkage pool, two the surface of bull stick respectively with the inner circle fixed connection of two sets of bearings, two support frames of bottom surface fixedly connected with of backup pad.

Preferably, the outer surfaces of the two rotating rods are fixedly connected with locking nuts, and the front surfaces of the two locking nuts are in contact with the back surface of the supporting plate.

Preferably, two the spout has all been seted up to the side that the buffer board kept away from each other, two the equal sliding connection of inner wall of spout has the inner panel, two the strip hole has all been seted up to the bottom surface of inner panel.

Preferably, two threaded openings are formed in the bottom surface of the buffer plate, locking bolts are connected to the inner walls of the threaded openings in a threaded mode, and the top ends of the locking bolts are in contact with the inner side walls of the two strip-shaped holes respectively.

Preferably, the upper surface of the supporting plate is provided with a positioning hole, the bottom surface of the buffering frame is fixedly connected with a positioning block, and the bottom end of the positioning block extends into the positioning hole.

Preferably, two anti-skidding bases are arranged below the two support frames, and the upper surfaces of the two anti-skidding bases are fixedly connected with the bottom surfaces of the two support frames respectively.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

the buffer block comprises a support plate, a support frame and a spring, wherein the support plate is arranged on the support frame, the spring is arranged in the support frame, the buffer block is arranged in the buffer block, the support frame is matched with the spring and the buffer frame, the buffer block is used for buffering and blocking soil and stones in the tunnel when the soil and stones slide down, impact force to the support plate can be reduced, a bearing is arranged in a concave hole, a rotating rod in the buffer block can rotate in a bearing inner ring, the buffer block can be conveniently adjusted in the protection angle of the buffer block in the tunnel, and flexibility of the buffer block in protection of the falling stones in tunnels with different specifications is improved.

And secondly, the rotating rod and the buffer plate after rotation can be locked and fixed by the locking nut, so that the buffer plate can be better protected against the falling earth and stones, the protection effect in the tunnel construction process is achieved by the protection device, and the potential safety hazard brought to tunnel construction personnel by the falling earth and stones is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a diagram: the utility model discloses a three-dimensional structure schematic diagram of a support plate;

FIG. 2 is a diagram of: the utility model discloses a sectional view of the front view of the support pillar;

FIG. 3 is a diagram of: the utility model is a sectional view of a top view of the supporting plate;

FIG. 4 is a diagram of: the utility model discloses a sectional view of the front view of the buffer plate;

FIG. 5 is a diagram: the utility model discloses an enlarged schematic diagram of A department's structure in figure 4.

In the figure: 1. a support plate; 2. a buffer frame; 3. a groove; 4. a spring; 5. concave holes; 6. a buffer plate; 7. a bearing; 8. a fixing hole; 9. a rotating rod; 10. locking the nut; 11. a chute; 12. an inner plate; 13. a strip-shaped hole; 14. a threaded opening; 15. locking the bolt; 16. positioning holes; 17. positioning blocks; 18. a support frame; 19. an anti-slip base.

Detailed Description

To make the objects, technical solutions and advantages of the present application more clear, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Referring to fig. 1-5, the utility model provides a technical solution of a tunnel construction rockfall protection device:

a tunnel construction rockfall protection device comprises a supporting plate 1, a buffer frame 2 is arranged above the supporting plate 1, two grooves 3 are formed in the upper surface of the supporting plate 1, two groups of springs 4 are fixedly connected to inner bottom walls of the two grooves 3, top ends of the two groups of springs 4 are fixedly connected with the bottom surface of the buffer frame 2, concave holes 5 are formed in the left side surface and the right side surface of the supporting plate 1, buffer plates 6 are arranged inside the two concave holes 5, fixing holes 8 are formed in the front surfaces of the two buffer plates 6, rotating rods 9 are fixedly connected to inner walls of the two fixing holes 8, two bearings 7 are fixedly embedded in inner side walls of the two concave holes 5, outer surfaces of the two rotating rods 9 are fixedly connected with inner rings of the two groups of bearings 7 respectively, and two support frames 18 are fixedly connected to the bottom surface of the supporting plate 1; specifically, the buffer frame 2 and the buffer plates 6 on the two sides are arranged, so that soil and stones in the tunnel can be separated and protected, and the spring 4 above the support plate 1 can be used for buffering the buffer frame 2 during separation and protection, so that the falling soil and stones can be better protected;

in the embodiment, the outer surfaces of the two rotating rods 9 are fixedly connected with locking nuts 10, the front surfaces of the two locking nuts 10 are in contact with the back surface of the supporting plate 1, the side surfaces, away from each other, of the two buffer plates 6 are provided with sliding grooves 11, the inner walls of the two sliding grooves 11 are connected with inner plates 12 in a sliding manner, the bottom surfaces of the two inner plates 12 are provided with strip-shaped holes 13, the bottom surfaces of the two buffer plates 6 are provided with threaded openings 14, the inner walls of the two threaded openings 14 are in threaded connection with locking bolts 15, and the top ends of the two locking bolts 15 are in contact with the inner side walls of the two strip-shaped holes 13 respectively; specifically, the rotating rod 9 can be locked and fixed through the locking nut 10, the inner plate 12 can slide in the sliding groove 11 through the sliding groove 11 formed in the buffer plate 6, the protection area of the buffer plate 6 can be adjusted, and the inner plate 12 in the buffer plate 6 can be locked and fixed through the locking bolt 15 and the threaded opening 14;

in this embodiment, the upper surface of the supporting plate 1 is provided with a positioning hole 16, the bottom surface of the buffer frame 2 is fixedly connected with a positioning block 17, the bottom end of the positioning block 17 extends to the inside of the positioning hole 16, two anti-skid bases 19 are respectively arranged below the two supporting frames 18, and the upper surfaces of the two sets of anti-skid bases 19 are respectively fixedly connected with the bottom surfaces of the two supporting frames 18; specifically, through the cooperation of locating hole 16 and locating piece 17, can make buffering frame 2 more stable when the buffering of backup pad 1 top, will be to the better buffering of earth and stone, through skid resistant base 19, stability when can reinforcing support frame 18 bottom sprag.

The working principle is as follows: at first remove protector to the tunnel in, when the protection angle to buffer board 6 adjusts, need rotate buffer board 6 in the inside of shrinkage pool 5, then just can adjust buffer board 6's protection angle, it is not hard up to use the spanner to carry out lock nut 10 after that, until making lock nut 10 and backup pad 1 contact, thereby can lock the bull stick 9 after the rotation and buffer board 6 fixedly, then buffer frame 2 and the buffer board 6 of both sides through backup pad 1 top, alright keep off the protection in order to the soil stone in the tunnel, and utilize the spring 4 of backup pad 1 top, cushion when can keeping off the protection to buffer frame 2, can collect the soil stone of landing simultaneously.

It should also be noted that the terms "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 like elements in a process, method, article, or apparatus that comprises the element.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (6)

1. The utility model provides a tunnel construction rockfall protector, includes backup pad (1), its characterized in that: a buffer frame (2) is arranged above the supporting plate (1), two grooves (3) are arranged on the upper surface of the supporting plate (1), two groups of springs (4) are fixedly connected with the inner bottom walls of the two grooves (3), the top ends of the two groups of springs (4) are fixedly connected with the bottom surface of the buffer frame (2), concave holes (5) are formed in the left side surface and the right side surface of the supporting plate (1), buffer plates (6) are arranged in the two concave holes (5), fixing holes (8) are formed in the front surfaces of the two buffer plates (6), rotating rods (9) are fixedly connected to the inner walls of the two fixing holes (8), two bearings (7) are fixedly embedded in the inner side walls of the two concave holes (5), the outer surfaces of the two rotating rods (9) are fixedly connected with the inner rings of the two groups of bearings (7) respectively, the bottom surface of the supporting plate (1) is fixedly connected with two supporting frames (18).

2. The rockfall protection device for tunnel construction according to claim 1, wherein: the outer surface of the two rotating rods (9) is fixedly connected with locking nuts (10), and the front surfaces of the locking nuts (10) are in contact with the back surface of the supporting plate (1).

3. The rockfall protection device for tunnel construction according to claim 1, wherein: two spout (11), two have all been seted up to the side that buffer board (6) kept away from each other the equal sliding connection of inner wall of spout (11) has inner panel (12), two bar hole (13) have all been seted up to the bottom surface of inner panel (12).

4. The rockfall protection device for tunnel construction according to claim 3, wherein: two screw thread mouth (14) have all been seted up to the bottom surface of buffer board (6), two the equal threaded connection of inner wall of screw thread mouth (14) has locking bolt (15), two the top of locking bolt (15) contacts with the inside wall of two bar holes (13) respectively.

5. The rockfall protection device for tunnel construction according to claim 1, wherein: the upper surface of the supporting plate (1) is provided with a positioning hole (16), the bottom surface of the buffering frame (2) is fixedly connected with a positioning block (17), and the bottom end of the positioning block (17) extends into the positioning hole (16).

6. The rockfall protection device for tunnel construction according to claim 1, wherein: two anti-skidding bases (19) are arranged below the two support frames (18), and the upper surfaces of the two anti-skidding bases (19) are fixedly connected with the bottom surfaces of the two support frames (18) respectively.

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