Shield tunnel lining reinforcing structure

Abstract

The utility model relates to a shield tunnel lining reinforcing structure. The utility model is suitable for the technical field of shield tunnel lining. The technical problem to be solved by the utility model is to provide the shield tunnel lining reinforcing structure. According to the technical scheme, the shield tunnel lining reinforcing structure is characterized in that the shield tunnel lining reinforcing structure comprises a bottom frame arranged at the inner bottom of a tunnel lining; the side frames are arranged on the side walls of the two sides of the tunnel lining in the extending direction of the tunnel, and the bottoms of the side frames are connected with the top of the bottom frame; the lateral supporting assembly is arranged in the side frame, and the lateral supporting assembly is used for providing lateral supporting for the side frame; the top frame is arranged on the inner wall of the top of the tunnel lining in the extending direction of the tunnel, and the two sides of the top frame are connected with the side walls of the tops of the corresponding side frames correspondingly; and the top direction supporting assembly is arranged in the top frame, and the top direction supporting assembly is used for providing top direction supporting for the top frame.

Description

Technical Field

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

[0002] The shield tunneling method refers to a method of constructing a tunnel by using a shield machine. While controlling the excavation face and surrounding rock from collapsing and losing stability, the tunnel is excavated and the muck is removed. Segments are assembled inside the machine to form a lining, and grouting is carried out behind the lining without disturbing the surrounding rock. The lining of the tunnel is formed by segments.

[0003] At present, the existing shield tunnel lining is subjected to relatively large soil pressure on the side or above. The relatively large pressure will squeeze the tunnel downward or to the side, resulting in convergent deformations such as bending and damage of the shield tunnel lining, which does not meet the requirements of existing operation safety. In view of this problem, a reinforcement structure for shield tunnel lining is proposed. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is: in view of the above problems, to provide a reinforcement structure for shield tunnel lining.

[0005] The technical solution adopted by the utility model is: a reinforcement structure for shield tunnel lining, characterized by comprising:

[0006] A chassis, arranged at the inner bottom of the tunnel lining;

[0007] Side frames, arranged along the extension direction of the tunnel on the two side walls of the tunnel lining, and the bottom of the side frames is connected to the top of the chassis;

[0008] Lateral support assemblies, arranged inside the side frames, and the lateral support assemblies are used to provide lateral support for the side frames;

[0009] A top frame, arranged along the extension direction of the tunnel on the top inner wall of the tunnel lining, and the two sides of the top frame are respectively connected to the top side walls of the corresponding side frames;

[0010] Top support assemblies, arranged inside the top frame, and the top support assemblies are used to provide top support for the top frame.

[0011] By the above technical means, the lateral support assemblies are used to provide lateral support for the side frames, so that the side frames can further support the side walls of the tunnel lining. The top support assemblies are used to provide top support for the top frame, so that the top frame can further support the top inner wall of the tunnel lining. The top frame and the side frames cooperate, so that the top end and the side ends of the tunnel lining are both supported, and the structure is more stable.

[0012] In some embodiments, the lateral support assembly includes a connecting plate, a first support bar, a top block and a clamping frame. A plurality of the connecting plates are arranged in the side frame along the extension direction of the tunnel. A strip groove is provided on the connecting plate. One end of the first support bar is clamped in the strip groove through the clamping frame, and the other end of the first support bar is connected to the inner wall of the side frame through the top block. The first support bar is arranged obliquely, so that the side frame provides lateral support for the side wall of the tunnel lining.

[0013] In some embodiments, the clamping frame includes an elastic member, a square block and a side pressing plate. Grooves are provided on the two side walls of the strip groove, and square grooves capable of being clamped and matched with the square block are provided on the inner side wall surfaces of the grooves. Elastic members are connected to both sides of the end of the first support bar, a side pressing plate is connected to the end of the elastic member, and a square block is connected to the side wall of the elastic member and is clamped in the square groove through the square block.

[0014] In some embodiments, the clamping frame further includes a top plate, and the top plate is connected to the end of the elastic member and abuts against the surface of the connecting plate.

[0015] In some embodiments, a pair of the first support bars are clamped in the strip groove.

[0016] In some embodiments, the top support assembly includes a second support bar, a support plate frame and a bottom socket. The second support bar is arranged inside the top frame, a plurality of the bottom sockets are arranged at intervals on the second support bar, the bottom sockets are arranged along the extension direction of the tunnel, and the support plate frame is correspondingly inserted into the bottom sockets, so that the support plate frame provides support for the top end of the top frame.

[0017] The beneficial effects of the present utility model are as follows:

[0018] 1. Through the cooperation of the top frame, the side frame and the bottom frame, a reinforcement framework for the tunnel lining is formed. The side end of the side frame is supported by the lateral support assembly, and the top end of the top frame is supported by the top support assembly. Through the cooperation of the lateral support assembly and the top support assembly, the side end and the top end of the tunnel lining are both reinforced and supported, ensuring the stability of the tunnel lining structure. Description of the Drawings

[0019] Figure 1 is the front view structural schematic diagram of the present application.

[0020] Figure 2 is the three-dimensional structural schematic diagram of the present application.

[0021] Figure 3 is Figure 2 the enlarged structural schematic diagram of area A in

[0022] Figure 4 This is a schematic structural diagram of the clamping frame in the present application.

[0023] Description of the reference numerals in the drawings:

[0024] 1. Tunnel lining; 2. Side frame; 3. Top frame; 4. Bottom frame; 5. Top block; 6. First brace; 7. Support plate frame; 8. Bottom slot; 9. Clamping frame; 10. Connecting plate; 11. Square slot; 12. Strip slot; 13. Groove; 14. Second brace; 901. Side pressing plate; 902. Top plate; 903. Square block; 904. Elastic member.

[0025] This specification includes references to "one embodiment" or "embodiments". The appearance of the phrases "in one embodiment" or "in embodiments" does not necessarily refer to the same embodiment. Specific features, structures, or characteristics may be combined in any suitable manner consistent with the present disclosure.

[0026] "Comprising", this term is open-ended. As used in the appended claims, this term does not exclude additional structures or steps.

[0027] "First", "second", etc. As used herein, these terms serve as labels for the nouns preceding them and do not imply any type of ordering (e.g., spatial, temporal, logical, etc.). Detailed description of the specific implementation

[0028] In order to enable those skilled in the art of this technology to better understand the solution of the present utility model, the technical solution of the present utility model will be further described below in conjunction with specific embodiments.

[0029] In combination with Figures 1 to 4 As shown, the present application is a shield tunnel lining reinforcement structure, including a bottom frame 4, side frames 2, a top frame 3, a lateral support assembly and a top support assembly. A bottom frame 4 is provided at the inner bottom of the tunnel lining 1, side frames 2 are provided on both side walls of the tunnel lining 1, a top frame 3 is provided at the inner top of the tunnel lining 1. The top frame 3, side frames 2 and bottom frame 4 are all arranged along the tunnel extension direction. The bottoms of the two side frames 2 are connected to the top of the bottom frame 4, and both sides of the top frame 3 are connected to the top ends of the side walls of the two side frames 2. A lateral support assembly is provided inside the side frame 2, and the lateral support assembly is used to provide lateral support to the side frame 2 so that the side frame 2 can provide support to the side end of the tunnel lining 1. A top support assembly is provided inside the top frame 3, and the top support assembly is used to provide top support to the top frame 3 so that the top frame 3 can provide support to the top end of the tunnel lining 1.

[0030] In some embodiments, the lateral support assembly includes a connecting plate 10, a first brace 6, a top block 5, and a clamping frame 9. A plurality of connecting plates 10 are arranged along the extension direction of the tunnel inside the side frame 2. A strip groove 12 is provided on the connecting plate 10, and the strip groove 12 is arranged perpendicular to the axis of the connecting plate 10. One end of the first brace 6 is clamped in the strip groove 12 through the clamping frame 9. The other end of the first brace 6 is fixedly connected with a top block 5 and is connected to the inner wall of the side frame 2 through the top block 5. The first brace 6 is arranged in an inclined manner, so that the side frame 2 provides lateral support for the side wall of the tunnel lining 1. Specifically, in this embodiment, a pair of first braces 6 are clamped in one strip groove 12. The ends of the two first braces 6 are both fixedly connected with top blocks 5, and the top blocks 5 are used to press against the inner side end of the side frame 2, making the support between the side frame 2 and the side end of the tunnel lining 1 more stable, and further improving the stability of the overall reinforcement of the tunnel lining 1.

[0031] Furthermore, the clamping frame 9 includes an elastic member 904, a square block 903, and a side pressing plate 901. Grooves 13 are provided on the two side walls of the strip groove 12. Square grooves 11 capable of being clamped and matched with the square block 903 are provided on the inner side wall surfaces of the grooves 13. Elastic members 904 are connected to both sides of the end of the first brace 6. The ends of the elastic members 904 are connected with side pressing plates 901. Square blocks 903 are connected to the side walls of the elastic members 904 and are clamped in the square grooves 11 through the square blocks 903. Specifically, in this embodiment, the clamping frame 9 further includes a top plate 902, and the top plate 902 is connected to the end of the elastic member 904. The top plate 902 is in fit contact with the top end face of the connecting plate 10.

[0032] During use, the bottom end of the first brace 6 is inserted into the strip groove 12, and the clamping frames 9 on both sides of the first brace 6 are inserted into the grooves 13. Then, the elastic members 904 therein are attached to the bottom end inside the grooves 13, the top plates 902 are attached to the top end on the side of the grooves 13, and the square blocks 903 fixed to the side ends of the elastic members 904 are clamped in the square grooves 11. This setting limits the overall clamping frame 9 in the grooves 13. Through this setting, the first brace 6 and the connecting plate 10 are clamped, so that the clamping frames 9 on both sides of the bottom end of the first brace 6 are clamped in the grooves 13, and further, the first brace 6 is supported on the top of the connecting plate 10 and also supports the top block 5 at the end.

[0033] If the overall top block 5 and the first support bar 6 need to be replaced, the top block 5 and the first support bar 6 need to be disassembled. First, press the side pressing plate 901. Since the elastic member 904 is made of an elastic material, the side pressing plate 901 drives the bottom top plate 902 and the square block 903 to move horizontally, so that the top plate 902 moves above the groove 13 and the square block 903 disengages from the inside of the square groove 11. At this time, the overall clamping frame 9 can release the clamping connection between the first support bar 6 and the groove 13, and then the top block 5 and the first support bar 6 can be removed from the top of the connecting plate 10, thereby realizing the overall replacement of the first support bar 6 and the top block 5. This replacement avoids the first support bar 6 and the top block 5 from being bent due to long-term use.

[0034] In some embodiments, as Figure 1 shown, the top support assembly includes a second support bar 14, a support plate frame 7 and a bottom socket 8. The second support bar 14 is provided inside the top frame 3. A plurality of bottom sockets 8 are arranged at intervals on the top of the second support bar 14. The bottom sockets 8 are arranged along the tunnel extension direction. The support plate frame 7 is correspondingly inserted into the bottom socket 8, so that the support plate frame 7 provides support for the top of the top frame 3. This support method enables the top of the tunnel lining 1 to be supported, thereby strengthening the top of the tunnel lining 1.

[0035] The above are all the preferred embodiments of the present invention, and the protection scope of the present invention is not limited by this. Therefore, all equivalent changes made according to the structure, shape and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. A shield tunnel lining reinforcement structure, characterized in that: include: A bottom frame (4) is arranged at the bottom of the tunnel lining (1); Side frames (2) are arranged on both side walls of the tunnel lining (1) along the tunnel extension direction, and the bottom of the side frames (2) is connected to the top of the base frame (4); A lateral support assembly is arranged inside the side frame (2), and the lateral support assembly is used to provide lateral support for the side frame (2); A top frame (3) is arranged on the top inner wall of the tunnel lining (1) along the tunnel extension direction, and two sides of the top frame (3) are respectively connected to the top side walls of the corresponding side frames (2); A top support component is arranged inside the top frame (3), and the top support component is used to provide top support for the top frame (3).

2. A shield tunnel lining reinforcement structure according to claim 1, characterized in that: The lateral support assembly comprises a connecting plate (10), a first brace (6), a top block (5) and a clamping frame (9); a plurality of the connecting plates (10) are arranged in the side frame (2) along the extension direction of the tunnel; a groove (12) is provided on the connecting plate (10); one end of the first brace (6) is clamped in the groove (12) via the clamping frame (9); the other end of the first brace (6) is connected to the inner wall of the side frame (2) via the top block (5); the first brace (6) is arranged in an inclined shape, so that the side frame (2) provides lateral support to the side wall of the tunnel lining (1).

3. A shield tunnel lining reinforcement structure according to claim 2, characterized in that: The clamping frame (9) comprises an elastic member (904), a square block (903) and a side pressure plate (901); grooves (13) are provided on the side walls of the strip groove (12); a square groove (11) capable of being clamped and matched with the square block (903) is provided on the inner wall surface of the groove (13); the elastic member (904) is connected to both sides of the end of the first support bar (6); the end of the elastic member (904) is connected to the side pressure plate (901); the square block (903) is connected to the side wall of the elastic member (904) and is clamped in the square groove (11) via the square block (903).

4. The shield tunnel lining reinforcement structure according to claim 3, characterized in that: The clamping frame (9) further comprises a top plate (902), wherein the top plate (902) is connected to the end of the elastic member (904), and the top plate (902) is in contact with the surface of the connecting plate (10).

5. The shield tunnel lining reinforcement structure according to claim 2, characterized in that: A pair of the first support bars (6) are clamped in the bar groove (12).

6. The shield tunnel lining reinforcement structure according to claim 1, characterized in that: The top support assembly comprises a second support bar (14), a support plate frame (7) and a bottom slot (8); the second support bar (14) is arranged inside the top frame (3); a plurality of bottom slots (8) are arranged at intervals on the second support bar (14); the bottom slots (8) are arranged along the extension direction of the tunnel; the support plate frame (7) is correspondingly inserted into the bottom slots (8), so that the support plate frame (7) provides support for the top end of the top frame (3).

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