CN219774157U

CN219774157U - Tunnel reinforced structure

Info

Publication number: CN219774157U
Application number: CN202320893582.5U
Authority: CN
Inventors: 范振澎; 李鹏举
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-09-29
Anticipated expiration: 2033-04-20

Abstract

The utility model belongs to the technical field of tunnel construction, in particular to a tunnel reinforcing structure, which comprises a supporting plate; the end part of the supporting plate is fixedly connected with a motor; the output end of the motor is fixedly connected with a positive and negative threaded screw rod; the sliding block is connected with the front and back threaded screw rod through a screw rod nut pair; the sliding blocks are symmetrically arranged; the top of the sliding block is hinged with a guide rod; make the guide arm promote kicking block to the top removal, in kicking block removal in-process, drive the ejector pin and upwards move for the ejector pin promotes the gusset plate roof pressure on the inside wall of tunnel, supports and consolidates, improves the reinforcement effect of tunnel, and at this tunnel reinforcement end time, accessible reverse motor drives the slider and slides to the tip for the slider drives the guide arm and rotates to the tip, makes the kicking block remove to the bottom, and the staff of being convenient for adjusts the gusset plate, makes the device play the effect of consolidating to the tunnel of different height.

Description

Tunnel reinforced structure

Technical Field

The utility model belongs to the technical field of tunnel construction, and particularly relates to a tunnel reinforcing structure.

Background

In the tunnel construction process, the full-face excavation method is generally adopted to excavate the tunnel, in the excavation process adopting the full-face excavation mode, the procedures are fewer, the mutual interference is less, the organization construction and the management are convenient, the working space is large, the organization large-scale mechanized construction is convenient, and therefore, the construction progress is high.

After the excavation process is finished, the tunnel is required to be supported, and the main flow of the tunnel structure is a composite lining structure which takes anchor spraying support as an initial support and molded concrete as a secondary support, so that the tunnel is reinforced.

In the prior art, when a tunnel is reinforced, the existing composite lining structure with secondary support is mostly adopted for reinforcement, but a large amount of bolts are wasted in the reinforcement mode, in the installation process, only a single tunnel type tunnel can be reinforced, and when tunnels with different heights are reinforced, a large amount of bolts are required to be disassembled for reassembling, so that a large amount of reinforcement materials are wasted; accordingly, a tunnel reinforcement structure is proposed in view of the above-mentioned problems.

Disclosure of Invention

In order to overcome the defects in the prior art and solve the problems in the background art, the tunnel reinforcing structure is provided.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a tunnel reinforcing structure, which comprises a supporting plate; the end part of the supporting plate is fixedly connected with a motor; the output end of the motor is fixedly connected with a positive and negative threaded screw rod; the sliding block is connected with the front and back threaded screw rod through a screw rod nut pair; the sliding blocks are symmetrically arranged; the top of the sliding block is hinged with a guide rod; the other end of the guide rod is hinged with a top block; the top of the ejector block is fixedly connected with an ejector rod; the top of the ejector rod is fixedly connected with a reinforcing plate.

Preferably, the bottom of the supporting plate is fixedly connected with a supporting leg; the bottom of the supporting leg is provided with a pulley; the surface rigid coupling of pulley has the cardboard, and the circumference array is equipped with a plurality of.

Preferably, the pulley is internally provided with a clamping groove and is arranged in a circumferential array; the side ends of the supporting legs are fixedly connected with guide plates; a first chute and a second chute are formed in the guide plate; a first rack is connected inside the first chute in a sliding way; a second rack is connected inside the second chute in a sliding way; the side ends of the supporting legs are fixedly connected with mounting frames; the end part of the mounting frame is rotatably connected with a gear; the gear is meshed with the first rack and the second chute; a through hole is formed in the supporting plate; a pull rope is fixedly connected to the top of the second rack, and the other end of the pull rope is fixedly connected to the bottom of the jacking block; the pull rope is connected in the through hole in a sliding manner; the bottoms of the supporting legs are hinged with arc plates through torsion springs; the inner side wall of the arc-shaped plate is fixedly connected with a clamping block, a plurality of clamping grooves are formed, and the clamping blocks are matched with the clamping grooves; the side end of the arc-shaped plate is fixedly connected with a limiting plate, and the limiting plate is positioned at the bottom of the first rack.

Preferably, the end part of the limiting plate is fixedly connected with a limiting block; the tip of gusset plate is half arc, and matches each other with the inside wall in tunnel.

Preferably, a damper is fixedly connected to the top of the second rack, and the other end of the damper is fixedly connected to the bottom of the supporting plate.

Preferably, the end part of the clamping plate is fixedly connected with a dustproof net and provided with a plurality of clamping plates; the dustproof net is made of elastic cloth.

The utility model has the beneficial effects that:

the utility model provides a tunnel reinforcing structure, which is characterized in that a supporting plate is moved to the bottom of a tunnel, a motor is turned on to drive a positive and negative screw rod to rotate, positive and negative screw threads on the surface of the positive and negative screw rod are driven to rotate, a sliding block is driven to slide towards the middle part, a guide rod is pushed, the guide rod pushes a jacking block to move towards the top, in the moving process of the jacking block, the jacking rod is driven to move upwards, the jacking rod pushes a reinforcing plate to prop against the inner side wall of the tunnel, so that the reinforcing effect of the tunnel is improved, and when the tunnel is reinforced, the motor is turned back, the sliding block is driven to slide towards the end part, the sliding block drives the guide rod to rotate towards the end part, the jacking block is driven to move towards the bottom, and the reinforcing plate is convenient to adjust by workers, so that the device can play a role of reinforcing on tunnels with different heights.

The utility model provides a tunnel reinforcing structure, which is convenient for the movement and transportation of a supporting plate by arranging supporting legs and pulleys at the bottom of the supporting plate, and is convenient for the movement of the pulleys by arranging clamping plates on the surfaces of the pulleys.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a bottom view of the present utility model;

FIG. 3 is a schematic view of the structure of the pulley of the present utility model;

FIG. 4 is an enlarged view at A in FIG. 1;

FIG. 5 is an enlarged view at B in FIG. 2;

legend description:

1. a support plate; 21. a motor; 22. a front and back threaded screw rod; 23. a slide block; 24. a guide rod; 25. a top block; 26. a push rod; 27. a reinforcing plate; 31. a support leg; 32. a pulley; 41. a guide plate; 42. a first chute; 43. a first rack; 44. a second chute; 45. a second rack; 46. a mounting frame; 47. a gear; 48. a through hole; 49. a pull rope; 51. a clamping plate; 52. a clamping groove; 53. an arc-shaped plate; 54. a clamping block; 55. a limiting plate; 56. a limiting block; 6. a dust screen; 7. a damper; 8. and a protective pad.

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.

Specific examples are given below.

Referring to fig. 1-2, the present utility model provides a tunnel reinforcement structure, which includes a support plate 1; the end part of the supporting plate 1 is fixedly connected with a motor 21; the output end of the motor 21 is fixedly connected with a positive and negative threaded screw rod 22; the sliding block 23 is connected with the front and back threaded screw rod 22 through a screw nut pair; the sliding blocks 23 are symmetrically arranged; the top of the sliding block 23 is hinged with a guide rod 24; the other end of the guide rod 24 is hinged with a top block 25; the top of the top block 25 is fixedly connected with a top rod 26; a reinforcing plate 27 is fixedly connected to the top of the ejector rod 26. During operation, when the tunnel is reinforced, the existing compound lining structure that adopts the secondary to strut mostly consolidates, but this kind of reinforcement mode can waste a large amount of bolts, and in the installation, can only consolidate single tunnel type's tunnel, when consolidate the tunnel of different altitudes, need dismantle a large amount of bolts and come to reassemble, and can lead to a large amount of reinforcement materials to appear extravagant problem, when the tunnel of different altitudes is consolidated to needs, through the bottom that removes backup pad 1 to the tunnel, then open motor 21 and drive positive and negative screw lead screw 22 and rotate, make positive and negative screw 22 surface's positive and negative screw rotate, drive slider 23 to the middle part slip, promote guide arm 24, make guide arm 24 promote kicking block 25 to the top and remove, in kicking block 25 removal in-process, drive ejector rod 26 upwards removes, make ejector rod 26 promote the reinforcing plate 27 roof to press on the inside wall of tunnel, support and consolidate, when this tunnel consolidates and end, accessible reverse motor 21 drives slider 23 to the tip slip, make slider 23 drive positive and negative screw lead screw 22 surface's positive and negative screw lead screw 22 surface, make the device to the bottom to be convenient for the bottom to remove to the height to the work.

Further, as shown in fig. 1, 2 and 3, the bottom of the supporting plate 1 is fixedly connected with a supporting leg 31; the bottom of the supporting leg 31 is provided with a pulley 32; the surface of the pulley 32 is fixedly connected with a clamping plate 51, and a plurality of the pulleys are arranged in a circumferential array; during operation, through installing landing leg 31 and pulley 32 in the bottom of backup pad 1, the removal and the transportation of backup pad 1 of being convenient for have cardboard 51 through the surface mounting at pulley 32, at pulley 32 removal in-process, because the earth in the tunnel is more, the adhesion can appear in long-time removal and lead to pulley 32 rotation not had the problem, through installing cardboard 51 for cardboard 51 can insert in the earth, has certain gap, and pulley 32 of being convenient for removes.

Further, as shown in fig. 1 and 3, the pulley 32 is provided with a clamping groove 52 inside and is arranged in a circumferential array; a guide plate 41 is fixedly connected to the side end of the supporting leg 31; a first chute 42 and a second chute 44 are formed in the guide plate 41; a first rack 43 is slidably connected to the inside of the first chute 42; a second rack 45 is slidably connected to the inside of the second chute 44; a mounting rack 46 is fixedly connected to the side ends of the supporting legs 31; the end part of the mounting frame 46 is rotatably connected with a gear 47; the gear 47 is meshed with the first rack 43 and the second chute 44; a through hole 48 is formed in the support plate 1; a pull rope 49 is fixedly connected to the top of the second rack 45, and the other end of the pull rope 49 is fixedly connected to the bottom of the top block 25; the pull rope 49 is connected inside the through hole 48 in a sliding way; the bottom of the supporting leg 31 is hinged with an arc-shaped plate 53 through a torsion spring; the inner side wall of the arc plate 53 is fixedly connected with a clamping block 54, and a plurality of clamping blocks are arranged and matched with the clamping grooves 52; a limiting plate 55 is fixedly connected to the side end of the arc-shaped plate 53, and the limiting plate 55 is positioned at the bottom of the first rack 43; during operation, when the kicking block 25 upwards moves, drive the second rack 45 through pulling the stay cord 49 and upwards slide for second rack 45 and gear 47 intermesh, drive first rack 43 when making gear 47 rotate and slide to the bottom, make 34 when sliding to the bottom extrusion limiting plate 55 remove, make limiting plate 55 extrusion arc 53 rotate to the side and drive the inside that fixture block 54 inserted cardboard 51 and draw-in groove 52 and carry out the joint and make pulley 32 stop rotating, reduce reinforcing plate 27 and consolidate the in-process at the roof pressure, backup pad 1 appears the gliding problem about, and then the reinforcing effect of reinforcing plate 27 to the tunnel has been improved.

Further, as shown in fig. 3, a limiting block 56 is fixedly connected to an end of the limiting plate 55; the end part of the reinforcing plate 27 is semi-arc-shaped and is matched with the inner side wall of the tunnel; during operation, through installing stopper 56 at the tip of limiting plate 55, come spacing limiting plate 55 for first rack 43 is when the surface extrusion of limiting plate 55, carries out the spacing through stopper 56 to first rack 43, reduces the problem that first rack 43 takes place the slippage.

Further, as shown in fig. 3, the top of the second rack 45 is fixedly connected with a damper 7, and the other end of the damper 7 is fixedly connected with the bottom of the support plate 1; during operation, through installing the attenuator 7 at the top of second rack 45, when second rack 45 wants the top to slide, extrude attenuator 7 for attenuator 7 produces elasticity, when reinforcement board 27 consolidates and ends and retract, attenuator 7 produces elasticity and promotes second rack 45 to slide to the bottom, makes first rack 43 receive the meshing of gear 47, upwards slides, then arc 53 receives the elasticity that the torsional spring produced to restore to the throne, makes fixture block 54 follow the inside slip of draw-in groove 52, the staff of being convenient for promotes backup pad 1 and removes.

Further, as shown in fig. 1 and 3, the end of the clamping plate 51 is fixedly connected with a dust screen 6, and a plurality of dust screens are arranged; the dustproof net 6 is made of elastic cloth; during operation, through installing dust screen 6 at the tip of cardboard 51, when pulley 32 drove cardboard 51 and rotates, shelter from earth through dust screen 6, reduce earth and be stained with in cardboard 51's inside, lead to cardboard 51 inside earth to be stained with more, lead to fixture block 54 to insert not into the inside of draw-in groove 52, carry out the joint.

Further, as shown in fig. 3, the surface of the clamping block 54 is provided with a protection pad 8; during operation, through having protection pad 8 at the surface mounting of fixture block 54, play the effect of protection to fixture block 54, reduce long-time extrusion and insert the inside of draw-in groove 52, appear the problem of wearing and tearing.

Working principle: when the tunnel is reinforced, the existing composite lining structure with secondary support is mostly adopted for reinforcement, but a large number of bolts are wasted in the reinforcement mode, in the installation process, only a single tunnel type tunnel can be reinforced, when the tunnels with different heights are reinforced, a large number of bolts are required to be disassembled for reassembling, so that the problem of waste of a large number of reinforcement materials can be caused, when the tunnels with different heights are required to be reinforced, the supporting plate 1 is moved to the bottom of the tunnel, then the motor 21 is opened to drive the positive and negative thread screw 22 to rotate, the positive and negative threads on the surface of the positive and negative thread screw 22 rotate, the sliding block 23 is driven to slide towards the middle part, the guide rod 24 is pushed, the top block 25 is pushed to move by the guide rod 24, in the process of moving the top block 25, the top rod 26 is driven to move upwards, the top rod 26 is pushed to push the reinforcing plate 27 to be pressed on the inner side wall of the tunnel, the supporting and reinforcing effects of the tunnel are improved, when the tunnels are reinforced, the sliding block 23 is driven to slide towards the end by the reversing motor 21, the sliding block 23 is driven to rotate the top block 24 towards the end, the end of the tunnel, the top block 25 is driven to rotate towards the end of the end, and the bottom of the tunnel can be conveniently moved towards the bottom of the tunnel, and the device can be adjusted to be convenient to move towards the bottom of the tunnel; the supporting leg 31 and the pulley 32 are arranged at the bottom of the supporting plate 1, so that the supporting plate 1 can be conveniently moved and transported, the clamping plate 51 is arranged on the surface of the pulley 32, in the moving process of the pulley 32, the problem that the pulley 32 cannot rotate due to adhesion caused by long-time movement of soil in a tunnel can be solved, and the clamping plate 51 is arranged, so that the clamping plate 51 can be inserted into the soil and has a certain gap, so that the pulley 32 can be conveniently moved; when the top block 25 moves upwards, the pull rope 49 is pulled to drive the second rack 45 to slide upwards, so that the second rack 45 is meshed with the gear 47, the gear 47 rotates to drive the first rack 43 to slide towards the bottom, the limiting plate 55 is extruded to move towards the bottom when the gear 34 slides towards the bottom, the limiting plate 55 extrudes the arc plate 53 to rotate towards the side end to drive the clamping block 54 to be inserted into the clamping plate 51 and the clamping groove 52 for clamping, the pulley 32 stops rotating, the problem that the supporting plate 1 slides left and right in the process of jacking and reinforcing the reinforcing plate 27 is solved, and the reinforcing effect of the reinforcing plate 27 on a tunnel is improved; the limiting block 56 is arranged at the end part of the limiting plate 55 to limit the limiting plate 55, so that when the surface of the limiting plate 55 is extruded by the first rack 43, the first rack 43 is limited by the limiting block 56, and the problem that the first rack 43 slips is reduced; through installing the damper 7 on the top of the second rack 45, when the second rack 45 wants to slide at the top, the damper 7 is extruded, so that the damper 7 generates elastic force, when the reinforcing plate 27 is retracted after finishing reinforcement, the damper 7 generates elastic force to push the second rack 45 to slide towards the bottom, so that the first rack 43 is meshed with the gear 47 and slides upwards, then the arc-shaped plate 53 is reset by the elastic force generated by the torsion spring, so that the clamping block 54 slides out from the inside of the clamping groove 52, and a worker can push the supporting plate 1 to move conveniently; through installing dust screen 6 at the tip of cardboard 51, when pulley 32 drove cardboard 51 and rotates, shelter from earth through dust screen 6, reduce earth and be stained with in the inside of cardboard 51, lead to cardboard 51 inside earth to be stained with more, lead to fixture block 54 to insert not into the inside of draw-in groove 52, carry out the joint.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A tunnel reinforcing structure comprising a support plate (1); the end part of the supporting plate (1) is fixedly connected with a motor (21); the output end of the motor (21) is fixedly connected with a positive and negative threaded screw rod (22); the front and back threaded screw rod (22) is connected with a sliding block (23) through a screw rod nut pair; the method is characterized in that: the sliding blocks (23) are symmetrically arranged; the top of the sliding block (23) is hinged with a guide rod (24); the other end of the guide rod (24) is hinged with a top block (25); the top of the top block (25) is fixedly connected with a top rod (26); the top of the ejector rod (26) is fixedly connected with a reinforcing plate (27).

2. A tunnel reinforcing structure according to claim 1, wherein: the bottom of the supporting plate (1) is fixedly connected with a supporting leg (31); the bottom of the supporting leg (31) is provided with a pulley (32); the surface of pulley (32) rigid coupling has cardboard (51), and the circumference array is equipped with a plurality of.

3. A tunnel reinforcing structure according to claim 2, wherein: the pulley (32) is internally provided with a clamping groove (52) and is arranged in a circumferential array; a guide plate (41) is fixedly connected to the side end of the supporting leg (31); a first chute (42) and a second chute (44) are formed in the guide plate (41); a first rack (43) is connected inside the first chute (42) in a sliding way; a second rack (45) is connected inside the second chute (44) in a sliding way; the side ends of the supporting legs (31) are fixedly connected with mounting frames (46); the end part of the mounting frame (46) is rotatably connected with a gear (47); the gear (47) is meshed with the first rack (43) and the second chute (44); a through hole (48) is formed in the supporting plate (1); a pull rope (49) is fixedly connected to the top of the second rack (45), and the other end of the pull rope (49) is fixedly connected to the bottom of the jacking block (25); the pull rope (49) is connected inside the through hole (48) in a sliding way; the bottoms of the supporting legs (31) are hinged with arc plates (53) through torsion springs; the inner side wall of the arc-shaped plate (53) is fixedly connected with a clamping block (54), a plurality of clamping blocks are arranged and are matched with the clamping grooves (52); the side end of the arc-shaped plate (53) is fixedly connected with a limiting plate (55), and the limiting plate (55) is positioned at the bottom of the first rack (43).

4. A tunnel reinforcing structure according to claim 3, wherein: a limiting block (56) is fixedly connected to the end part of the limiting plate (55); the end part of the reinforcing plate (27) is semi-arc-shaped and is matched with the inner side wall of the tunnel.

5. A tunnel reinforcing structure according to claim 4, wherein: the top of the second rack (45) is fixedly connected with a damper (7), and the other end of the damper (7) is fixedly connected to the bottom of the supporting plate (1).

6. The tunnel reinforcing structure of claim 5, wherein: the end part of the clamping plate (51) is fixedly connected with a dustproof net (6) and provided with a plurality of dustproof nets; the dustproof net (6) is made of elastic cloth.