Waterproof plate protection device for tunnel secondary lining steel bar welding

Abstract

The utility model discloses a waterproof plate protection device for tunnel secondary lining steel bar welding. The waterproof plate protection device comprises a protection layer and a slag collecting groove. The protective layer is formed by splicing a plurality of rubber soft discs, an upper elastic rubber strip and a lower elastic rubber strip are arranged on the upper side and the lower side of each rubber soft disc respectively, and a left elastic rubber strip and a right elastic rubber strip are arranged on the left side and the right side of each rubber soft disc respectively. The upper elastic rubber strip is connected with the lower elastic rubber strip on the adjacent rubber floppy disc through a connecting piece, and the left elastic rubber strip is connected with the right elastic rubber strip on the adjacent rubber floppy disc through a connecting piece; a sucking disc is arranged on the back of the rubber soft disc; a mounting plate is arranged on the inner side of the slag collecting groove, and a connecting rubber strip connected with the rubber soft disc above the mounting plate is arranged above the mounting plate. The rubber floppy disc is spliced on the waterproof plate in the steel bar welding position, and the rubber floppy disc is arranged between the waterproof plate and the steel bar structure, so that damage to the waterproof plate during welding construction can be avoided, and meanwhile, the use frequency of the device is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of subway construction, and more specifically to a waterproof board protection device for the welding of the secondary lining steel bars of a tunnel. Background Technique

[0002] During subway construction, the laying and protection of the secondary lining waterproof board have always been an important task in tunnel construction. It is not only related to tunnel leakage and its quality and safety, but also related to the guarantee of the appearance quality during the operation. However, in on-site construction, there are often the following defects. When welding the secondary lining steel bars, due to insufficient protection behind, the waterproof board melts to form holes due to the high temperature of welding or the appearance color of the waterproof board is polluted by nitrogen oxides formed during welding, resulting in material damage and a decline in appearance quality. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a waterproof board protection device for the welding of the secondary lining steel bars of a tunnel to protect the waterproof board and avoid damage to the waterproof board during the welding process.

[0004] To solve the above technical problems, the following technical solutions are adopted by the utility model.

[0005] A waterproof board protection device for the welding of the secondary lining steel bars of a tunnel includes a protective layer for protecting the waterproof board and a slag collection groove arranged at the bottom of the protective layer for collecting welding residues generated during the welding process; the protective layer is spliced by a plurality of rubber flexible disks, upper elastic rubber strips and lower elastic rubber strips are respectively arranged on the upper and lower sides of the rubber flexible disk, left elastic rubber strips and right elastic rubber strips are respectively arranged on the left and right sides of the rubber flexible disk, and the upper elastic rubber strip and the lower elastic rubber strip on the adjacent rubber flexible disk and the left elastic rubber strip and the right elastic rubber strip on the adjacent rubber flexible disk are respectively connected through connecting pieces; a suction cup for fixing the rubber flexible disk on the waterproof board is arranged on the back of the rubber flexible disk; an installation plate is arranged on the inner side of the slag collection groove, and a connecting rubber strip connected to the upper rubber flexible disk is arranged above the installation plate.

[0006] Further optimizing the technical solution, the connecting piece includes connecting convex blocks arranged on the upper elastic rubber strip and the left elastic rubber strip and connecting grooves opened on the lower elastic rubber strip and the right elastic rubber strip. The connecting convex block on the upper elastic rubber strip corresponds to the connecting groove on the adjacent lower elastic rubber strip, and the connecting convex block on the left elastic rubber strip corresponds to the connecting groove on the adjacent right elastic rubber strip.

[0007] Further optimizing the technical solution, a connecting convex block matched with the connecting groove on the lower elastic rubber strip at the bottom of the upper rubber flexible disk is arranged on the connecting rubber strip.

[0008] Further optimize the technical solution, and a suction cup for fixing the mounting plate on the waterproof plate is provided on the back of the mounting plate.

[0009] Further optimize the technical solution, and the rubber flexible disk is made of fireproof rubber material.

[0010] Due to the adoption of the above technical solutions, the technical progress achieved by the present utility model is as follows.

[0011] A waterproof plate protection device for welding the second lining steel bars of a tunnel provided by the present utility model splices rubber flexible disks on the waterproof plate inside the steel bar welding joint. By arranging rubber flexible disks between the waterproof plate and the steel bar structure, it can not only avoid damaging the waterproof plate during welding construction, but also increase the usage times of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a structural schematic diagram of the present utility model;

[0013] Figure 2 is a structural schematic diagram of the rubber flexible disk of the present utility model;

[0014] Figure 3 is a structural schematic diagram of the support member of the present utility model.

[0015] Wherein: 1. Rubber flexible disk, 2. Upper elastic rubber strip, 3. Lower elastic rubber strip, 4. Left elastic rubber strip, 5. Right elastic rubber strip, 6. Connecting convex block, 7. Connecting groove, 8. Connecting rubber strip, 9. Mounting plate, 10. Slag collection groove, 11. Suction cup. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] The present utility model will be further described in detail below in conjunction with the drawings and specific embodiments.

[0017] A waterproof plate protection device for welding the second lining steel bars of a tunnel, in combination with Figures 1 to 3 as shown, includes a protective layer and a slag collection groove 10. The protective layer is used to protect the waterproof plate during steel bar welding, and the slag collection groove 10 is arranged at the bottom of the protective layer to collect the residues generated during the welding process.

[0018] The protective layer is spliced by a plurality of rubber flexible disks 1, and the rubber flexible disk 1 is made of fireproof rubber material.

[0019] An upper elastic rubber strip 2 and a lower elastic rubber strip 3 are respectively arranged on the upper and lower sides of the rubber flexible disk 1, and a left elastic rubber strip 4 and a right elastic rubber strip 5 are respectively arranged on the left and right sides of the rubber flexible disk 1. The upper elastic rubber strip 2 and the lower elastic rubber strip 3 on the adjacent rubber flexible disk 1 and the left elastic rubber strip 4 and the right elastic rubber strip 5 on the adjacent rubber flexible disk 1 are respectively connected by connecting pieces to realize the splicing of adjacent rubber flexible disks.

[0020] The connecting piece includes connecting bumps 6 provided on the upper elastic rubber strip 2 and the left elastic rubber strip 4, and connecting grooves 7 formed on the lower elastic rubber strip 3 and the right elastic rubber strip 5. The connecting bumps 6 on the upper elastic rubber strip 2 correspond to the connecting grooves 7 on the adjacent lower elastic rubber strip 3, and the connecting bumps 6 on the left elastic rubber strip 4 correspond to the connecting grooves 7 on the adjacent right elastic rubber strip 5. The connecting bumps 6 on the upper elastic rubber strip 2 are inserted into the connecting grooves 7 on the adjacent lower elastic rubber strip 3, and the connecting bumps 6 on the left elastic rubber strip 4 are inserted into the connecting grooves 7 on the adjacent right elastic rubber strip 5 to achieve the splicing of adjacent rubber floppy disks.

[0021] An installation plate 9 is arranged on the inner side of the slag collection groove 10, and a connecting rubber strip 8 is arranged above the installation plate 9 for connecting with the upper rubber floppy disk 1.

[0022] Connecting bumps 6 are arranged on the connecting rubber strip 8, and the connecting bumps 6 are fitted with the upper connecting grooves 7 on the lower elastic rubber strip 3 at the bottom of the upper rubber floppy disk 1 to achieve the connection between the connecting rubber strip and the upper rubber floppy disk.

[0023] Suction cups 11 are arranged on the backs of the rubber floppy disk 1 and the installation plate 9 respectively for fixing the rubber floppy disk and the installation plate on the waterproof board.

[0024] When welding steel bars in the utility model, according to the welding position of the steel bars, appropriate rubber floppy disks are selected and assembled on the waterproof board and fixed by suction cups. Finally, the slag collection groove is assembled at the bottom end of the assembled rubber floppy disks. During the welding process, the rubber floppy disks can not only protect the waterproof board from the influence of welding, but also be used repeatedly.

Claims

1. A waterproof plate protection device for welding of secondary lining steel bars in a tunnel, characterized by: The invention comprises a protective layer for protecting a waterproof board and a slag collecting groove (10) arranged at the bottom of the protective layer for collecting welding residues generated during welding; the protective layer is formed by splicing a plurality of rubber soft disks (1); an upper elastic rubber strip (2) and a lower elastic rubber strip (3) are arranged on the upper and lower sides of the rubber soft disk (1); a left elastic rubber strip (4) and a right elastic rubber strip (5) are arranged on the left and right sides of the rubber soft disk (1); the upper elastic rubber strip (2) and the lower elastic rubber strip (3) on the adjacent rubber soft disk (1) and the left elastic rubber strip (4) and the right elastic rubber strip (5) on the adjacent rubber soft disk (1) are connected by connecting pieces; a suction cup (11) for fixing the rubber soft disk (1) on the waterproof board is arranged on the back of the rubber soft disk (1); a mounting plate (9) is arranged on the inner side of the slag collecting groove (10); a connecting rubber strip (8) connected to the upper rubber soft disk (1) is arranged above the mounting plate (9).

2. A waterproof plate protection device for tunnel secondary lining steel bar welding according to claim 1, characterized in that: The connecting member comprises a connecting protrusion (6) arranged on the upper elastic rubber strip (2) and the left elastic rubber strip (4), and a connecting groove (7) opened on the lower elastic rubber strip (3) and the right elastic rubber strip (5); the connecting protrusion (6) on the upper elastic rubber strip (2) corresponds to the connecting groove (7) on the adjacent lower elastic rubber strip (3), and the connecting protrusion (6) on the left elastic rubber strip (4) corresponds to the connecting groove (7) on the adjacent right elastic rubber strip (5).

3. A waterproof plate protection device for tunnel secondary lining steel bar welding according to claim 2, characterized in that: The connecting rubber strip (8) is provided with a connecting protrusion (6) which matches with the connecting groove (7) on the lower elastic rubber strip (3) at the bottom of the upper rubber soft disk (1).

4. A waterproof plate protection device for tunnel secondary lining steel bar welding according to claim 1, characterized in that: The back of the mounting plate (9) is provided with a suction cup (11) for fixing the mounting plate on the waterproof board.

5. The waterproof plate protection device for tunnel secondary lining steel bar welding according to claim 1 is characterized by: The rubber soft disk (1) is made of fireproof rubber material.

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