A pothole stabilization structure for highway tunnels with complex geology

Abstract

The present invention discloses a pit stabilization structure for highway tunnels with complex geology, and relates to the technical field related to tunnel pit reinforcement. The present invention includes a base plate, the upper side walls of the two opposite ends of the base plates are fixed with internal arc plates, the upper side walls of the opposite parts of the two base plates are fixed with external arc plates, a stabilizing outer plate is provided between the two external arc plates, and a stabilizing inner plate is provided between the two internal arc plates; a plurality of weight-reducing holes are provided through the surface of the stabilizing outer plate, a plurality of sliding holes with the same aperture as the weight-reducing holes are provided through the surface of the external arc plate, an assembly arc plate is provided inside the assembly port, and a plug-in plate is provided at the rear side of the stabilizing inner plate at the position corresponding to the assembly port. The present invention can avoid soil accumulation on the upper side of the stabilizing outer plate and the stabilizing inner plate by providing the weight-reducing holes and the sliding holes, and avoid the extrusion of the structure by the increased weight of the soil. At the same time, the coordinated use of the plug-in plate and the assembly arc plate can realize the assembly and use of the stabilizing structure, and improve the stabilizing effect.

Description

Technical Field

[0001] The present invention belongs to the technical field related to tunnel pothole reinforcement, and in particular relates to a pothole stabilizing structure for highway tunnels with complex geology. Background Art

[0002] A tunnel is an underground engineering structure built in the ground. A highway tunnel is a passage designed for automobile transportation. With the development of social economy and production, a large number of highways have emerged, which has put forward higher standards for road construction technology, requiring straight lines, gentle slopes, and wide roads. Therefore, when roads pass through mountainous areas, the previous winding route has been replaced by a tunnel. The construction of tunnels plays an important role in improving the technical status of highways, shortening operating distances, increasing transportation capacity, and reducing accidents. During the construction of tunnels, in order to ensure the safety of the interior of the tunnel, corresponding stable structures are generally used to support the potholes.

[0003] Existing public documents disclose CN212535705U - a tunnel reinforcement structure, which includes a circumferential reinforcement unit, the circumferential reinforcement unit includes a plurality of first corrugated plates, at least one second corrugated plate arranged on the arch of the tunnel, and at least one pad. The plurality of first corrugated plates on both sides of the arch are laid sequentially from bottom to top, one end of the second corrugated plate is connected to one of the first corrugated plates at the end of the laying direction, and a gap is formed between the other end of the second corrugated plate and another first corrugated plate at the end of the laying direction or between the two second corrugated plates. The pad is clamped in the gap to close the circumferential reinforcement unit for laying. The size setting of the second corrugated plate and the pad in the above-mentioned tunnel reinforcement structure is flexible, which can solve the problem of difficulty in closing the circumferential reinforcement unit, and is easy to install, greatly shortening the installation time, and ensuring that the tunnel reinforcement structure is completed within the skylight time period. However, it still has the following disadvantages in actual use:

[0004] 1. When using the corresponding pit to stabilize the structure, soil often falls from the top of the pit. Therefore, if the soil accumulates for a long time, it will cause the soil to squeeze the structure more severely, thus damaging the stable structure.

[0005] 2. Since the pit stabilizing structure does not have the function of assembling multiple structures, it is impossible to ensure the coordination between the multiple stabilizing structures, and thus it is impossible to improve the corresponding stabilizing effect.

[0006] Therefore, the existing pothole stabilization structure of highway tunnels cannot meet the needs of actual use, so there is an urgent need for improved technology to solve the above problems. Summary of the Invention

[0007] The purpose of the present invention is to provide a pit stabilization structure for highway tunnels with complex geology. By setting up weight-reducing holes and sliding holes, soil can be prevented from accumulating on the upper side of the stabilizing outer plate and the stabilizing inner plate, and the soil can be prevented from squeezing the structure due to the increased weight, thereby improving the service life of the structure. At the same time, the coordinated use of the plug-in plate and the assembly arc plate can enable the relative disassembly of multiple stabilizing inner plates, thereby realizing the assembly and use of the stabilizing structure, thereby improving the stabilization effect.

[0008] To solve the above technical problems, the present invention is achieved through the following technical solutions:

[0009] The present invention is a pit stabilization structure for highway tunnels with complex geology, comprising two bottom plates, each of which is symmetrically arranged on both sides. An inner curved plate is fixed to the upper sidewalls of the two opposite ends of the two bottom plates, and an outer curved plate is fixed to the upper sidewalls of the opposite ends of the two bottom plates. A stabilizing outer plate is provided between the two outer curved plates, and a stabilizing inner plate is provided between the two inner curved plates.

[0010] Among them, a plurality of weight-reducing holes are opened through the surface of the stable outer plate, and a plurality of sliding holes with the same hole diameter as the weight-reducing holes are opened through the surface of the external arc plate;

[0011] An assembly port is provided on the front side wall of the stable inner panel, an assembly arc plate is provided inside the assembly port, a positioning arc plate is provided on the inner side of the stable outer panel in the same upper and lower positions as the assembly arc plate, and a plug-in plate is provided at the position of the assembly port corresponding to the rear side of the stable inner panel.

[0012] Furthermore, buffer plates are provided at the upper and lower parts between the external arc plate and the adjacent internal arc plate, and a rotating column is fixed on one side of the buffer plate close to the internal arc plate.

[0013] Furthermore, adapter plates are fixed at the positions of the rotating columns on the front and rear sides of the external arc plate, reset shafts are fixed to the front and rear ends of the rotating columns, and adapter holes are opened on the side walls of the adapter plates for rotationally connecting to the reset shafts.

[0014] Furthermore, a torsion spring is sleeved on the outer side of the reset shaft inside the adapter hole, and two ends of the torsion spring are fixedly connected to the inner side of the adapter hole and the outer side of the reset shaft respectively.

[0015] Furthermore, T-shaped arc blocks are fixed to the left and right side walls of the stable outer plate and the stable inner plate, and T-shaped arc openings are opened on the upper ends of the external arc plate and the internal arc plate for sliding connection with the T-shaped arc blocks.

[0016] Furthermore, a plug-in port is provided through the middle of the upper surface of the plug-in board, and a bayonet port is provided through the upper portion of the inner side of the assembly port.

[0017] Furthermore, movable rods are fixed to the left and right parts of the side wall where the assembled arc plate passes through the bayonet, and limiting columns are fixed to the lower side of the positioning arc plate at positions corresponding to the movable rods.

[0018] Furthermore, a limiting hole is provided on the lower side of the limiting column, and a movable hole with a larger diameter than the limiting hole is provided at the top of the limiting hole.

[0019] Furthermore, the end of the movable rod placed in the movable hole is fixed with a limit plate, and the limit plate is limited inside the movable hole, thereby ensuring the stability of the connection between the assembly arc plate and the positioning arc plate, and ensuring that the assembly arc plate can be limited when moving up and down. The side wall of the limit plate opposite to the movable rod is fixed with a pushing spring connected to the inner side wall of the movable hole.

[0020] Furthermore, a mounting rod is fixed at a middle position between the stable inner plate and the stable outer plate.

[0021] The present invention has the following beneficial effects:

[0022] 1. When the present invention is in use, when soil falls from the inside of the pit, the soil will fall from the position of the weight-reducing holes and the sliding holes to the position between the stable outer plate and the stable inner plate, the external arc plate and the internal arc plate. As a result, the soil will continue to slide downward from the upper surface of the stable inner plate and the internal arc plate, and fall to the upper side of the bottom plate. At this time, it is convenient for workers to clean the soil, thereby avoiding the accumulation of soil on the upper side of the stable outer plate and the stable inner plate, avoiding the soil from further squeezing the structure, and thus improving the service life of the structure.

[0023] 2. The present invention places multiple stable inner panels in sequence in the front-to-back direction during use, and aligns the plug-in board on the rear side of the stable inner panel with the assembly port position on the front side of another stable inner panel, and then moves the assembly arc panel inside the assembly port to the position of the bayonet, and inserts the plug-in board into the corresponding internal position of the assembly port, and loosens the assembly arc panel, so that the assembly arc panel will be directly plugged into the inside of the plug-in interface from the position of the bayonet, thereby assembling the two stable inner panels together, and at the same time, moves the assembly arc panel inside the assembly port to the inside of the bayonet, and then the assembly arc panel no longer limits the plug-in board, and the plug-in board can be directly moved out from the inside of the assembly port, so that multiple stable inner panels can be relatively disassembled, thereby realizing the assembly and use of the stable structure, thereby improving the stability effect.

[0024] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0026] Figure 1 Schematic diagram of the overall structure;

[0027] Figure 2 To stabilize the rear structure of the inner panel;

[0028] Figure 3 To stabilize the front structure of the inner plate;

[0029] Figure 4 It is the combined structure diagram of the external arc plate and the internal arc plate;

[0030] Figure 5 The exploded structure diagram of the external arc plate and the internal arc plate;

[0031] Figure 6 This is a cross-sectional structural diagram of the positioning arc plate;

[0032] Figure 7 This is the structural diagram for assembling the arc plate.

[0033] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0034] 1. Bottom plate; 2. External arc plate; 3. Internal arc plate; 301. Sliding hole; 302. Buffer plate; 303. Adapter plate; 304. Adapter hole; 305. Rotating column; 306. Reset shaft; 307. Torsion spring; 4. Stabilize outer plate; 401. Weight reduction hole; 5. Positioning arc plate; 501. Limiting column; 502. Movable hole; 503. Limiting hole; 6. Stabilize inner plate; 601. Mounting rod; 602. Plug-in plate; 603. Plug interface; 604. Assembly port; 605. Bayonet; 7. Assembly arc plate; 701. Movable rod; 702. Limiting plate; 703. Pushing spring; 8. T-shaped arc block; 9. T-shaped arc port. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0036] See also Figures 1 to 7As shown, the present invention is a pit stabilizing structure for highway tunnels with complex geology, comprising a bottom plate 1, and two bottom plates 1 are symmetrically arranged on the left and right, the upper side walls of the two opposite ends of the two bottom plates 1 are fixed with internal arc plates 3, the upper side walls of the opposite parts of the two bottom plates 1 are fixed with external arc plates 2, a stabilizing outer plate 4 is arranged between the two external arc plates 2, and a stabilizing inner plate 6 is arranged between the two internal arc plates 3; wherein, a plurality of weight-reducing holes 401 are opened through the surface side of the stabilizing outer plate 4, a plurality of sliding holes 301 with the same aperture as the weight-reducing holes 401 are opened through the surface side of the external arc plate 2, and the middle part between the stabilizing inner plate 6 and the stabilizing outer plate 4 is provided with a plurality of sliding holes 301 with the same aperture as the weight-reducing holes 401. The installation rod 601 is fixed thereto. When stabilizing the interior of the tunnel, the bottom plate 1 is respectively arranged at the left and right parts of the pit, so that the stable outer plate 4 and the external arc plate 2 are connected to the inner wall of the pit, thereby supporting and stabilizing the inner wall of the pit. At the same time, when soil falls inside the pit, the soil will fall from the position of the weight-reducing hole 401 and the sliding hole 301 to the position between the stable outer plate 4 and the stable inner plate 6, the external arc plate 2 and the internal arc plate 3, so that the soil will continue to slide down from the upper surface of the stable inner plate 6 and the internal arc plate 3, and fall to the upper side of the bottom plate 1. At this time, it is convenient for workers to clean the soil and avoid soil accumulation;

[0037] The front side wall of the stable inner panel 6 is provided with an assembly opening 604, and an assembly arc plate 7 is provided inside the assembly opening 604. The inner side of the stable outer panel 4 is provided with a positioning arc plate 5 which is consistent with the upper and lower positions of the assembly arc plate 7. The positioning arc plate 5 is connected to the inner side of the stable outer panel 4 by bolts, and a plug-in plate 602 is provided at the position of the assembly opening 604 on the rear side of the stable inner panel 6. When assembling multiple stable structures, multiple stable inner panels 6 are placed in sequence in the front and rear directions, and the plug-in plate 602 on the rear side of the stable inner panel 6 is aligned with the assembly opening 604 position on the front side of another stable inner panel 6, and then the assembly arc plate 7 is moved inside the assembly opening 604 to the position of the bayonet 605, and the plug-in plate 602 is inserted into the corresponding internal position of the assembly opening 604, and the assembly arc plate 7 is loosened, and then the assembly arc plate 7 will be directly plugged into the inside of the plug-in port 603 from the position of the bayonet 605, so that the assembly arc plate 7 will assemble the two stable inner panels 6 together.

[0038] Among them Figure 1 、 4 As shown in Figures 5 and 6, buffer plates 302 are provided at the upper and lower parts of the position between the external arc plate 2 and the adjacent internal arc plate 3. When the soil slides on the upper surface of the stable inner plate 6 and the internal arc plate 3, it will fall to the position of the buffer plate 302, and then push the buffer plate 302. When a lot of soil accumulates on the upper side of the buffer plate 302, the buffer plate 302 will rotate downward, so that the soil will continue to fall, thereby buffering the soil and ensuring that after the soil falls to the upper side of the bottom plate 1, there will be no strong impact on the upper side of the bottom plate 1.

[0039] The buffer plate 302 is fixed with a rotating column 305 on one side close to the built-in arc plate 3, and an adapter plate 303 is fixed at the position of the rotating column 305 on the front and rear sides of the external arc plate 2. The front and rear ends of the rotating column 305 are fixed with a reset shaft 306. Since the reset shaft 306 is inside the adapter hole 304, the rotating column 305 is limited to the position between the two adapter plates 303 with the same front and rear directions, thereby ensuring that the buffer plate 302 can be located between the external arc plate 2 and the built-in arc plate 3. The side walls of the adapter plate 303 are provided with a rotating shaft 306 that is rotatably connected to the reset shaft 306. The connecting hole 304 and the reset shaft 306 are both sleeved with a torsion spring 307 on the surface side inside the adapter hole 304, and the two ends of the torsion spring 307 are fixedly connected to the inner side of the adapter hole 304 and the surface side of the reset shaft 306 respectively. When the buffer plate 302 rotates downward, the buffer plate 302 will drive the reset shaft 306 to rotate inside the adapter hole 304 through the rotating column 305, thereby compressing the torsion spring 307. At the same time, after the gravity generated by the soil accumulation on the upper side of the buffer plate 302 disappears, the torsion spring 307 will reset and restore the buffer plate 302 to its initial position.

[0040] Among them Figure 1 、 2 As shown in , 4, the left and right side walls of the stable outer panel 4 and the stable inner panel 6 are fixed with T-shaped arc blocks 8, and the upper end sides of the external arc plate 2 and the internal arc plate 3 are provided with T-shaped arc openings 9 that are slidably connected to the T-shaped arc blocks 8. When the stable outer panel 4 and the stable inner panel 6 are assembled at the positions of the external arc plate 2 and the internal arc plate 3, it is only necessary to insert the T-shaped arc block 8 into the inside of the T-shaped arc opening 9, so that assembly can be carried out. A plug interface 603 is provided through the middle part of the upper surface side of the plug-in board 602, and a bayonet 605 is provided through the upper part of the inner side of the assembly opening 604. After the plug-in board 602 is in the internal position of the assembly opening 604, the plug interface 603 on the surface side of the plug-in board 602 will be consistent with the upper and lower positions of the bayonet 605, thereby facilitating the assembly of the arc plate 7 from the position of the bayonet 605 to the internal position of the plug interface 603.

[0041] Among them Figure 1 、 6As shown in FIG7 , movable rods 701 are fixed to the left and right parts of the side walls of the assembly arc plate 7 passing through the bayonet 605. A limiting column 501 is fixed at the position of the movable rod 701 corresponding to the lower side of the positioning arc plate 5. A limiting hole 503 is provided on the lower side of the limiting column 501. A movable hole 502 with a larger aperture than the limiting hole 503 is provided at the top position of the limiting hole 503. The end of the movable rod 701 placed in the movable hole 502 is fixed with a limiting plate 702. A pushing spring 703 connected to the inner wall of the movable hole 502 is fixed on the side wall of the limiting plate 702 opposite to the movable rod 701. The squeezing spring 703 pushes the limit plate 702, so that the limit plate 702 can be stably located at the lowermost position of the movable hole 502. At this time, the assembly arc plate 7 is pushed to make the assembly arc plate 7 stably plugged into the inside of the plug interface 603, ensuring that the plug-in plate 602 is stably installed inside the assembly port 604. Therefore, after the assembly arc plate 7 moves upward, the assembly arc plate 7 will push the movable rod 701 to move inside the limit hole 503 and the movable hole 502, and drive the limit plate 702 to move upward inside the movable hole 502, thereby compressing the pushing spring 703.

[0042] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions described in the aforementioned embodiments, any equivalent replacement of some of the technical features therein, and any modification, equivalent replacement, and improvement made are within the scope of protection of the present invention.

Claims

1. A pit stabilizing structure for a highway tunnel with complex geology, comprising a bottom plate (1), wherein two bottom plates (1) are provided in a bilaterally symmetrical manner, and characterized in that: Internal arc plates (3) are fixed to the upper side walls of the two opposite ends of the bottom plates (1), external arc plates (2) are fixed to the upper side walls of the two opposite positions of the bottom plates (1), a stable outer plate (4) is provided at a position between the two external arc plates (2), and a stable inner plate (6) is provided at a position between the two internal arc plates (3); The surface of the stable outer plate (4) is provided with a plurality of weight-reducing holes (401), and the surface of the external arc plate (2) is provided with a plurality of sliding holes (301) having the same diameter as the weight-reducing holes (401). The front side wall of the stable inner plate (6) is provided with an assembly opening (604), an assembly arc plate (7) is provided inside the assembly opening (604), a positioning arc plate (5) is provided on the inner side of the stable outer plate (4) and the upper and lower positions of the positioning arc plate (7) are consistent, and a plug-in board (602) is provided on the rear side of the stable inner plate (6) at a position corresponding to the assembly opening (604); A plug-in port (603) is provided through the middle of the upper surface of the plug-in board (602), and a bayonet (605) is provided through the upper portion of the inner side of the assembly port (604); The left and right parts of the side wall of the assembly arc plate (7) passing through the bayonet (605) are fixed with movable rods (701), and the lower side of the positioning arc plate (5) is fixed with a limiting column (501) at a position corresponding to the movable rod (701).

2. The pit stabilization structure for highway tunnels with complex geology according to claim 1, characterized in that: Buffer plates (302) are provided at upper and lower positions between the external arc plate (2) and the adjacent internal arc plate (3), and a rotating column (305) is fixed on one side of the buffer plate (302) close to the external arc plate (2).

3. The pit stabilization structure for highway tunnels with complex geology according to claim 2, characterized in that: Adapter plates (303) are fixed at positions on the front and rear sides of the external arc plate (2) corresponding to the rotating column (305), reset shafts (306) are fixed at the front and rear ends of the rotating column (305), and adapter holes (304) rotatably connected to the reset shaft (306) are provided on the side walls of the adapter plates (303).

4. The pit stabilization structure for highway tunnels with complex geology according to claim 3, characterized in that: The outer side of the reset shaft (306) inside the adapter hole (304) is sleeved with a torsion spring (307), and the two ends of the torsion spring (307) are fixedly connected to the inner side of the adapter hole (304) and the outer side of the reset shaft (306) respectively.

5. The pit stabilization structure for highway tunnels with complex geology according to claim 1, characterized in that: The left and right side walls of the stable outer plate (4) and the stable inner plate (6) are both fixed with T-shaped arc blocks (8), and the upper ends of the external arc plate (2) and the internal arc plate (3) are both provided with T-shaped arc openings (9) that are slidably connected to the T-shaped arc blocks (8).

6. The pit stabilization structure for highway tunnels with complex geology according to claim 1, characterized in that: A limiting hole (503) is provided on the lower side of each of the limiting columns (501), and a movable hole (502) having a larger diameter than that of the limiting hole (503) is provided at the top of each of the limiting holes (503).

7. The pit stabilization structure for highway tunnels with complex geology according to claim 6, characterized in that: The movable rod (701) is placed at the end of the movable hole (502) with a limiting plate (702) fixed thereto, and the side wall of the limiting plate (702) opposite to the movable rod (701) is fixed with a pushing spring (703) connected to the inner side wall of the movable hole (502).

8. The pit stabilization structure for highway tunnels with complex geology according to claim 1, characterized in that: A mounting rod (601) is fixed at a middle position between the stabilizing inner plate (6) and the stabilizing outer plate (4).

Images