Crack reinforcing structure for subway tunnel construction

Abstract

The utility model belongs to the technical field of crack reinforcing, and particularly relates to a crack reinforcing structure for subway tunnel construction, which comprises a foundation, reinforcing grooves are arranged in the foundation, the reinforcing grooves are arranged on two sides of a crack and are cut into rectangular shapes, L-shaped support plates are arranged on the left side and the right side in the reinforcing grooves, and the L-shaped support plates are arranged on the left side and the right side in the reinforcing grooves. A groove is formed in the upper surface of the interior of the reinforcing groove, the upper portion and the lower portion of the top of each L-shaped supporting plate are each fixedly connected with two splicing rods, and the upper portions and the lower portions of the tops of the two L-shaped supporting plates are each provided with a cover plate and a reinforcing plate. Through cooperation of the extrusion assembly and the connecting assembly, connection between the reinforcing plate and the cover plate and connection between the reinforcing plate and the two L-shaped supporting plates can be stable, the reinforcing plate and the cover plate as well as the two L-shaped supporting plates can be stably placed in the reinforcing groove, and cracks are stably reinforced after cement mortar is filled; therefore, the reinforcing structure is convenient to use and good in use effect.

Description

Technical Field

[0001] The utility model relates to the technical field of crack reinforcement, in particular to a crack reinforcement structure for subway tunnel construction. Background Art

[0002] Tunnel engineering is a building built underground, underwater or in the mountains to lay railways or build roads for motor vehicles to pass. According to its location, it can be divided into three categories: mountain tunnel engineering, underwater tunnel engineering and urban tunnel engineering. Subway tunnels are generally located underground or in the mountains. Due to geological problems, there are often cracks in the walls or ground of the tunnel. In order to avoid water seepage or stress instability in the tunnel, these cracks need to be repaired and filled in time, and the structure needs to be reinforced when repairing and filling the cracks.

[0003] A Chinese patent application CN114320357A discloses a crack reinforcement structure for subway tunnel construction, including a foundation, a reinforcement groove is provided on the foundation, and the reinforcement groove is provided on both sides of the crack and cut into a rectangle, a limit mechanism is provided on the groove wall on both sides of the reinforcement groove, a horizontal plate is provided on the bottom wall of the reinforcement groove to cooperate with the limit mechanism, a vertical rod is vertically fixedly connected to the middle of the upper end surface of the horizontal plate, a sealing mechanism is provided at the notch of the reinforcement groove to cooperate with the vertical rod, the vertical rod is made of a transparent material, a plurality of horizontal detection mechanisms and vertical detection mechanisms are symmetrically provided in the horizontal plate, and a warning mechanism is provided in the vertical rod to cooperate with the plurality of horizontal detection mechanisms and vertical detection mechanisms. Through the cooperation of the horizontal detection mechanism, the vertical detection mechanism and the warning mechanism, after the crack is filled and repaired, the repair mechanism in the reinforcement groove can be detected in real time, which is convenient for the staff to observe whether the repair mechanism in the reinforcement groove has secondary cracking, and the use effect is good.

[0004] However, the existing crack reinforcement structure for subway tunnel construction is inconvenient to assemble and splice the reinforcement parts installed inside the reinforcement groove during use, and the connection between the internal parts of the reinforcement structure is not stable enough, which makes the reinforcement structure inconvenient to use and not practical enough. Therefore, in view of the above problems, a crack reinforcement structure for subway tunnel construction is proposed. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problem that the existing crack reinforcement structure for subway tunnel construction is inconvenient to assemble and splice the reinforcement parts installed inside the reinforcement groove during use, and the connection between the internal parts of the reinforcement structure is not stable enough, thus making the reinforcement structure inconvenient to use and not practical enough, the utility model proposes a crack reinforcement structure for subway tunnel construction.

[0006] The technical solution adopted by the utility model to solve the technical problem is: the utility model is a crack reinforcement structure for subway tunnel construction, comprising a foundation;

[0007] A reinforcement groove is provided inside the foundation, and the reinforcement groove is provided on both sides of the crack and cut into a rectangular shape, L-shaped support plates are provided on both sides of the reinforcement groove, a groove is provided on the upper surface of the reinforcement groove, two splicing rods are fixedly connected above and below the top of the L-shaped support plate, a cover plate and a reinforcement plate are provided above and below the top of the two L-shaped support plates respectively, a through-type splicing groove is provided on both sides of the cover plate and the reinforcement plate, and the splicing rod is inserted into the splicing groove;

[0008] An extrusion assembly is arranged between the cover plate and the reinforcement plate, and a connection assembly is arranged inside the cover plate and the reinforcement plate, and the connection assembly is installed with the extrusion assembly and the splicing rod, and a through injection hole is opened at the front and rear of the cover plate.

[0009] Preferably, the bottom of the cover plate and the bottom of the reinforcement plate are both in contact with the top of the L-shaped support plate.

[0010] Preferably, the cover plate is located inside the groove, and the top of the cover plate and the top of the foundation are located on the same horizontal plane.

[0011] Preferably, reinforcing bolts are passed through the upper and lower parts of the L-shaped support plate, and one end of the reinforcing bolt is inserted into the foundation and fixedly installed inside the foundation.

[0012] Preferably, the extrusion assembly includes a threaded hole opened at the inner center of the reinforcement plate, an externally threaded extrusion block is threadedly connected to the inner part of the threaded hole, a through-type through hole is opened at the inner center of the cover plate, a threaded reinforcement rod is fixedly connected to the top of the externally threaded extrusion block, the top end of the threaded reinforcement rod is inserted into the through hole, and an internally threaded extrusion ring is threadedly connected to the outer surface.

[0013] Preferably, the connecting component includes inner grooves provided on the left and right sides of the cover plate and the left and right sides of the reinforcement plate, a sliding plate is slidably connected to the inner groove, a spring is fixedly connected to the front and rear between one side of the sliding plate and the inner groove, a through groove is provided between the inner groove and the splicing groove, a socket is provided on the outer surface of the splicing rod, an insertion rod is fixedly connected to the other side of the sliding plate, one end of the insertion rod passes through the through groove and is inserted into the socket, a through-type through groove is provided on one side of the inner groove, an extrusion rod is fixedly connected to the center of one side of the sliding plate, one end of the extrusion rod is located inside the through groove and is fixedly connected to a connecting block.

[0014] Preferably, the outer surface of the connecting block is arranged in an arc shape.

[0015] The utility model is beneficial in that:

[0016] 1. The utility model can ensure a stable connection between the reinforcement plate, the cover plate and the two L-shaped support plates through the cooperation of the extrusion component and the connection component, and can ensure that the reinforcement plate, the cover plate and the two L-shaped support plates are firmly placed inside the reinforcement groove, and the reinforcement of the cracks is stable after filling with cement mortar, so that the reinforcement structure is easy to use and has a good use effect.

[0017] 2. The utility model facilitates the connection and installation between the L-shaped support plate and the inside of the reinforcement groove through the reinforcement bolts, and facilitates the subsequent splicing and assembly of the reinforcement plate and the cover plate, thereby making the reinforcement structure more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure in the first embodiment;

[0020] Figure 2 It is a partial right section structure schematic diagram in Embodiment 1;

[0021] Figure 3 For Example 1 Figure 2 The enlarged structural diagram at A in the middle;

[0022] Figure 4 It is a schematic diagram of a partial top-sectional structure in the first embodiment;

[0023] Figure 5 It is a schematic diagram of the front cross-section structure in the second embodiment.

[0024] In the figure: 1. foundation; 2. groove; 3. cover plate; 4. injection hole; 5. extrusion assembly; 501. through hole; 502. threaded reinforcement rod; 503. internal thread extrusion ring; 504. external thread extrusion block; 505. threaded hole; 6. splicing rod; 7. splicing groove; 8. reinforcement plate; 9. connection assembly; 901. inner groove; 902. spring; 903. sliding plate; 904. insertion rod; 905. through groove; 906. insertion hole; 907. extrusion rod; 908. connection block; 909. through groove; 10. L-shaped support plate; 11. reinforcement bolt; 12. reinforcement groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment 1

[0027] See also Figure 1-4 As shown, a crack reinforcement structure for subway tunnel construction includes a foundation 1;

[0028] A reinforcement groove 12 is provided inside the foundation 1, and the reinforcement groove 12 is provided on both sides of the crack and cut into a rectangular shape. L-shaped support plates 10 are provided on both sides of the reinforcement groove 12. A groove 2 is provided on the upper surface of the reinforcement groove 12. Two splicing rods 6 are fixedly connected to the top and bottom of the L-shaped support plate 10. Cover plates 3 and reinforcement plates 8 are provided on the top and bottom of the two L-shaped support plates 10, respectively. Through-type splicing grooves 7 are provided on both sides of the cover plate 3 and the reinforcement plate 8, and the splicing rods 6 are inserted into the splicing grooves 7.

[0029] An extrusion assembly 5 is arranged between the cover plate 3 and the reinforcement plate 8, and a connection assembly 9 is arranged inside the cover plate 3 and the reinforcement plate 8, and the connection assembly 9 is installed with the extrusion assembly 5 and the splicing rod 6, and a through injection hole 4 is opened at the front and rear of the cover plate 3; when working, the size of the reinforcement groove 12 is determined according to the size of the crack and marked on the wall or the ground, and then the reinforcement groove 12 and the groove 2 are cut on both sides of the crack according to the mark, and then the L-shaped support plate 10 is placed on the left and right sides of the reinforcement groove 12. And by plugging and connecting the splicing rod 6 and the splicing groove 7, the reinforcement plate 8, the cover plate 3 and the two L-shaped support plates 10 are spliced ​​and assembled, and then after the splicing, the extrusion component 5 and the connection component 9 can make the connection between the reinforcement plate 8 and the cover plate 3 and the two L-shaped support plates 10 stable, and make the reinforcement plate 8, the cover plate 3 and the two L-shaped support plates 10 firmly placed inside the reinforcement groove 12, and the cracks are stabilized after filling with cement mortar through the injection hole 4, so that the reinforcement structure is easy to use and has a good use effect.

[0030] The bottom of the cover plate 3 and the bottom of the reinforcement plate 8 are both in contact with the top of the L-shaped support plate 10; during operation, the cover plate 3 is conveniently spliced ​​and assembled with the reinforcement plate 8 and the L-shaped support plate 10.

[0031] The cover plate 3 is located inside the groove 2, and the top of the cover plate 3 and the top of the foundation 1 are located on the same horizontal plane; during operation, the surface after the crack is repaired remains flat.

[0032] Reinforcement bolts 11 are inserted through the top and bottom of the L-shaped support plate 10, and one end of the reinforcement bolt 11 is inserted into the foundation 1 and fixedly installed inside the foundation 1; when working, the reinforcement bolts 11 facilitate the connection and installation of the L-shaped support plate 10 and the inside of the reinforcement groove 12, and facilitate the subsequent splicing and assembly of the reinforcement plate 8 and the cover plate 3, so that the reinforcement structure is more practical.

[0033] The extrusion component 5 includes a threaded hole 505 opened at the center of the reinforcement plate 8, and an externally threaded extrusion block 504 is threadedly connected to the threaded hole 505. A through-hole 501 is opened at the center of the cover plate 3. A threaded reinforcement rod 502 is fixedly connected to the top of the externally threaded extrusion block 504. The top of the threaded reinforcement rod 502 is inserted into the through hole 501, and an internally threaded extrusion ring 503 is threadedly connected to the outer surface. When working, the threaded reinforcement rod 502 is connected to the reinforcement plate 8 through the threaded connection between the externally threaded extrusion block 504 and the threaded hole 505, and the externally threaded extrusion block 504 facilitates the application of force to the connection component 9 inside the reinforcement plate 8 to make the connection component 9 work, and then the internally threaded extrusion ring 503 threadedly connected to the upper outer surface of the threaded reinforcement rod 502 is located inside the through hole 501, and the internally threaded extrusion ring 503 facilitates the application of force to the connection component 9 inside the cover plate 3 to make the connection component 9 work.

[0034] The connecting component 9 includes an inner groove 901 provided on the left and right sides of the cover plate 3 and the left and right sides of the reinforcing plate 8, a sliding plate 903 is slidably connected to the inner groove 901, a spring 902 is fixedly connected to the front and rear of one side of the sliding plate 903 and the inner groove 901, a through groove 905 is provided between the inner groove 901 and the splicing groove 7, a plug hole 906 is provided on the outer surface of the splicing rod 6, an insertion rod 904 is fixedly connected to the other side of the sliding plate 903, one end of the insertion rod 904 passes through the through groove 905 and is plugged into the plug hole 906, a through-type through groove 909 is provided on one side of the inner groove 901, an extrusion rod 907 is fixedly connected to the center of one side of the sliding plate 903, one end of the extrusion rod 907 is located in the through groove 909 and is fixedly connected to a connecting block 908; working When the connection assembly 9 is not in use, the external threaded extrusion block 504 and the internal threaded extrusion ring 503 of the extrusion assembly 5 are extruded so that the connecting block 908 inside the reinforcing plate 8 and the cover plate 3 is squeezed, and after the connecting block 908 is squeezed, the extrusion rod 907 is driven to move, and then the extrusion rod 907 moves to squeeze the sliding plate 903, and the spring 902 can make the sliding plate 903 maintain a stable position inside the inner groove 901 when the connecting assembly 9 is not in use, and then the movement of the sliding plate 903 drives the insertion rod 904 to move and be inserted into the insertion hole 906, and the insertion rod 904 is inserted and limited to the splicing rod 6, so that the connection between the reinforcing plate 8 and the cover plate 3 and the two L-shaped support plates 10 is stable, and the reinforcing plate 8 and the cover plate 3 and the two L-shaped support plates 10 are placed firmly inside the reinforcement groove 12, and the reinforcement of the crack is stable after filling with cement mortar, so that the reinforcement structure is easy to use and has a good use effect.

[0035] Embodiment 2

[0036] See also Figure 5 As shown, compared with Example 1, as another implementation of the present utility model, the outer surface of the connecting block 908 is configured to be in an arc shape; during operation, the connecting block 908 is conveniently squeezed.

[0037] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A crack reinforcement structure for subway tunnel construction, comprising a foundation (1); Features: A reinforcement groove (12) is provided inside the foundation (1), and the reinforcement groove (12) is provided on both sides of the crack and cut into a rectangular shape. L-shaped support plates (10) are provided on both left and right sides of the reinforcement groove (12). A groove (2) is provided on the upper surface of the reinforcement groove (12). Two splicing rods (6) are fixedly connected above and below the top of the L-shaped support plate (10). Cover plates (3) and reinforcement plates (8) are provided above and below the tops of the two L-shaped support plates (10), respectively. Through-type splicing grooves (7) are provided on both left and right sides of the cover plates (3) and the reinforcement plates (8), and the splicing rods (6) are inserted into the splicing grooves (7). An extrusion assembly (5) is provided between the cover plate (3) and the reinforcement plate (8); a connection assembly (9) is provided inside the cover plate (3) and the reinforcement plate (8); the connection assembly (9) is installed with the extrusion assembly (5) and the splicing rod (6); and a through-type injection hole (4) is provided at the front and rear of the cover plate (3).

2. A crack reinforcement structure for subway tunnel construction according to claim 1, characterized in that: The bottom of the cover plate (3) and the bottom of the reinforcement plate (8) are both in contact with the top of the L-shaped support plate (10).

3. The crack reinforcement structure for subway tunnel construction according to claim 1, characterized in that: The cover plate (3) is located inside the groove (2), and the top of the cover plate (3) and the top of the foundation (1) are located on the same horizontal plane.

4. The crack reinforcement structure for subway tunnel construction according to claim 1, characterized in that: Reinforcement bolts (11) are inserted through the top and bottom of the L-shaped support plate (10), and one end of the reinforcement bolt (11) is inserted into the inside of the foundation (1) and fixedly installed inside the foundation (1).

5. The crack reinforcement structure for subway tunnel construction according to claim 1, characterized in that: The extrusion assembly (5) comprises a threaded hole (505) provided at the inner center of the reinforcing plate (8), the inner thread of the threaded hole (505) being threadedly connected to an externally threaded extrusion block (504), a through-hole (501) being provided at the inner center of the cover plate (3), the top of the externally threaded extrusion block (504) being fixedly connected to a threaded reinforcing rod (502), the top end of the threaded reinforcing rod (502) being inserted into the inner part of the through-hole (501), and the outer surface of the threaded extrusion ring (503) being threadedly connected.

6. The crack reinforcement structure for subway tunnel construction according to claim 5, characterized in that: The connecting assembly (9) comprises an inner groove (901) provided on the left and right sides of the cover plate (3) and the left and right sides of the reinforcing plate (8); a sliding plate (903) is slidably connected to the inner groove (901); a spring (902) is fixedly connected to the front and rear of one side of the sliding plate (903) and the inner groove (901); a through groove (905) is provided between the inner groove (901) and the splicing groove (7); and a socket (906) is provided on the outer surface of the splicing rod (6). 06), the other side of the sliding plate (903) is fixedly connected with an insertion rod (904), one end of the insertion rod (904) passes through the through slot (905) and is inserted into the inside of the insertion hole (906), one side of the inner slot (901) is provided with a through slot (909), and an extrusion rod (907) is fixedly connected at the center of one side of the sliding plate (903), one end of the extrusion rod (907) is located inside the through slot (909) and is fixedly connected with a connecting block (908).

7. A crack reinforcement structure for subway tunnel construction according to claim 6, characterized in that: The outer surface of the connection block (908) is configured to be in an arc shape.

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