Steel pipe lining construction method in hydraulic tunnel

Abstract

The invention relates to the technical field of mechanical arms, and discloses a construction method for a steel pipe lining in a hydraulic tunnel, which comprises the following steps of: punching a hole in the top of the tunnel, penetrating through the top of the tunnel to form a pipeline with the top connected with the interior of the tunnel, installing a conveying pipe in part of the pipeline, and installing a pipeline frame on the top in the tunnel, tunnel pipes are arranged on the pipeline frame and connected with conveying pipes, installation equipment is arranged in a tunnel, steel pipes are conveyed into the tunnel through the installation equipment, installation personnel conduct welding connection on the conveyed steel pipes, steel pipe linings in the tunnel are constructed among the steel pipes, and glass steel plates are arranged in the steel pipes. The conveying pipe conveys concrete into the tunnel, the tunnel pipe conveys the concrete to all positions in the tunnel, the conveying pipe conveys foaming cement into the tunnel, and the tunnel pipe conveys the foaming cement to all positions in the tunnel; the invention provides a novel and efficient construction method for a steel pipe lining of a hydraulic tunnel.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical arms, and more specifically, to a steel pipe lining construction method in a hydraulic tunnel. Background Art

[0002] A hydraulic tunnel is a water tunnel dug in a mountain or underground. It can be used for irrigation, power generation, water supply, water discharge, water delivery, construction diversion and navigation. A tunnel with a free water surface is called a pressureless tunnel; a tunnel with a full cross section and a certain water pressure on the tunnel wall is called a pressurized tunnel.

[0003] During the construction of existing hydraulic tunnels, it is necessary to set up steel pipe lining inside the tunnel to facilitate the construction. After the construction of existing hydraulic tunnels, the inner wall of the hydraulic structure is prone to growth of attachments, especially the water intake and discharge pipes located in the sea area, which need to be regularly inspected and cleaned with a scraper. In addition, seawater is corrosive or corrosive liquids are discharged, which affects the internal structure of the hydraulic tunnel. Therefore, a steel pipe lining construction method in a hydraulic tunnel is proposed. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a method for constructing a steel pipe lining in a hydraulic tunnel, which has the advantage of more precise operation.

[0005] To achieve the above object, the present invention provides the following technical solution: a method for constructing a steel pipe lining in a hydraulic tunnel, comprising the following steps:

[0006] S1. Drill a hole on the top of the tunnel, penetrate the top of the tunnel to form a pipeline connecting the top to the inside of the tunnel, and install a delivery pipe inside part of the pipeline;

[0007] S2. Install a pipeline frame on the top of the tunnel, and set a tunnel pipe on the pipeline frame, and the tunnel pipe is connected to the conveying pipe;

[0008] S3. An installation device is arranged inside the tunnel, and a conveying end of the installation device is arranged at the entrance of the tunnel, and the steel pipe is conveyed into the tunnel through the installation device;

[0009] S4. The installation personnel weld and connect the conveying steel pipes to form the steel pipe lining inside the tunnel;

[0010] S5. Construction workers install a support structure inside the steel pipe lining to support the steel pipe lining, and set glass fiber reinforced plastic plates inside the steel pipe. The glass fiber reinforced plastic plates are combined and attached to the inner wall of the steel pipe lining.

[0011] S6, conveying concrete into the tunnel through the conveying pipeline, and conveying the concrete to various places inside the tunnel through the tunnel pipe;

[0012] S7. The foamed cement is transported into the tunnel through the transport pipeline, and the foamed cement is transported to various places in the tunnel through the tunnel pipe.

[0013] As a preferred technical solution of the present invention, the top of the tunnel in S1 connects the inside of the tunnel and the top of the tunnel, the diameter of the tunnel is 18 to 22 cm, a conveying pipe is installed inside one part of the tunnel, and the other part of the tunnel is used as a ventilation hole.

[0014] As a preferred technical solution of the present invention, the delivery pipe in S1 is a seamless steel pipe with a diameter of 18 to 22 cm. The top of the delivery pipe is installed and fixed on the top of the hole, and the bottom of the delivery pipe passes through the hole and is fixed on the top of the tunnel.

[0015] As a preferred technical solution of the present invention, a mounting hole is provided on the top of the tunnel in S2, and the top of the pipeline frame is screwed into the mounting hole through the mounting bolts passing through the pipeline frame, and the pipeline frame is installed and fixed through the mounting hole. A pipeline clamp is provided on the pipeline frame, and the pipeline clamp clamps and fixes the tunnel pipe. A connecting port is provided on the top of the tunnel pipe, and the connecting port is connected to the bottom of the conveying pipe. A discharge port is provided on the bottom of the tunnel pipe, and the material body is conveyed to the inside of the tunnel through the discharge port.

[0016] As a preferred technical solution of the present invention, the installation equipment described in S3 is a pipeline conveying device, which conveys the steel pipe structure into the tunnel. The pipeline conveying device is a conveying crawler structure. A groove is provided in the middle of the conveying crawler, and the steel pipe is placed in the groove for conveying. Multiple conveying crawlers are combined with each other to convey the steel pipe to the depth of the tunnel. The conveying depth can be adjusted by adjusting the number of conveying crawlers.

[0017] As a preferred technical solution of the present invention, S4 sets a steel pipe frame inside the tunnel, installs the steel pipe on the steel pipe frame, and then strengthens the connection between the steel pipe and the steel pipe frame by welding, and then welds the steel pipes at the same position of the steel pipe frame to extend the length of the steel pipe, thereby forming a steel pipe lining that runs through the entire tunnel inside the tunnel.

[0018] As a preferred technical solution of the present invention, the fiberglass plate used in S5 is a new material, which is made by adding resin to glass fiber. The fiberglass plate has an arc-shaped structure and is provided with connecting grooves. The fiberglass plates are connected by passing steel wires through the connecting grooves to form a closed circle.

[0019] As a preferred technical solution of the present invention, in S5, a circle of FRP layer is formed by placing FRP plate inside the steel pipe lining. The FRP layer provides support for casting and improves the strength of the casting structure inside the tunnel.

[0020] As a preferred technical solution of the present invention, in S6, concrete is transported into the tunnel, and fine stones are arranged inside the concrete. The fine stones increase the structural strength of the concrete. The concrete is transported into the tunnel through the tunnel pipe, and the concrete is poured on the steel pipe lining to form a stable structure.

[0021] As a preferred technical solution of the present invention, the foamed cement in S7 is a fluid strength cement object, which can fill the gaps in the tunnel where the concrete is not poured.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows: a hole is drilled on the top of the tunnel, the top of the tunnel is penetrated to form a pipeline connected to the inside of the tunnel, a delivery pipe is installed inside part of the pipeline, a pipeline frame is installed on the top of the tunnel, a tunnel pipe is arranged on the pipeline frame, the tunnel pipe is connected to the delivery pipe, an installation device is arranged inside the tunnel, the delivery end of the installation device is arranged at the entrance of the tunnel, the steel pipe is delivered to the inside of the tunnel through the installation device, the installation personnel weld and connect the delivery steel pipe, the steel pipes are constructed into a steel pipe lining inside the tunnel, and the construction personnel install the steel pipe lining inside the steel pipe lining. A supporting structure is installed to support the steel pipe lining, and a glass fiber reinforced plastic plate is arranged inside the steel pipe. The glass fiber reinforced plastic plates are combined and bonded to the inner wall of the steel pipe lining. Concrete is transported to the inside of the tunnel through a conveying pipe, and the concrete is transported to various places inside the tunnel through a tunnel pipe. Foamed cement is transported to the inside of the tunnel through a conveying pipe, and the foamed cement is transported to various places inside the tunnel through a tunnel pipe, so as to connect the concrete structure layer and the glass fiber reinforced plastic structure layer as a whole. This glass fiber reinforced concrete composite pipe has the characteristics of high strength, corrosion resistance, and good hydraulic performance. The overall glass fiber reinforced plastic structure is not easy to adhere and is easy to clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the present invention. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] like Figure 1 As shown, the present invention provides a method for constructing a steel pipe lining in a hydraulic tunnel, comprising the following steps:

[0026] S1. Drill a hole on the top of the tunnel, penetrate the top of the tunnel to form a pipeline connecting the top to the inside of the tunnel, and install a delivery pipe inside part of the pipeline;

[0027] S2. Install a pipeline frame on the top of the tunnel, and set a tunnel pipe on the pipeline frame, and the tunnel pipe is connected to the conveying pipe;

[0028] S3. An installation device is arranged inside the tunnel, and a conveying end of the installation device is arranged at the entrance of the tunnel, and the steel pipe is conveyed into the tunnel through the installation device;

[0029] S4. The installation personnel weld and connect the conveying steel pipes to form the steel pipe lining inside the tunnel;

[0030] S5. Construction workers install a support structure inside the steel pipe lining to support the steel pipe lining, and set glass fiber reinforced plastic plates inside the steel pipe. The glass fiber reinforced plastic plates are combined and attached to the inner wall of the steel pipe lining.

[0031] S6, conveying concrete into the tunnel through the conveying pipeline, and conveying the concrete to various places inside the tunnel through the tunnel pipe;

[0032] S7. The foamed cement is transported into the tunnel through the transport pipeline, and the foamed cement is transported to various places in the tunnel through the tunnel pipe.

[0033] The top of the tunnel in S1 connects the inside of the tunnel and the top of the tunnel. The diameter of the tunnel is 18 to 22 cm. A conveying pipe is installed inside one part of the tunnel, and the other part of the tunnel is used as a ventilation hole.

[0034] The delivery pipe in S1 is a seamless steel pipe with a diameter of 18 to 22 cm. The top of the delivery pipe is installed and fixed on the top of the hole, and the bottom of the delivery pipe passes through the hole and is fixed on the top of the tunnel.

[0035] Among them, a mounting hole is provided on the top of the tunnel in S2, and the top of the pipeline frame is screwed into the mounting hole through the mounting bolts passing through the pipeline frame, and the pipeline frame is installed and fixed through the mounting hole. A pipeline clamp is provided on the pipeline frame, and the pipeline clamp clamps and fixes the tunnel pipe. A connecting port is provided on the top of the tunnel pipe, and the connecting port is connected to the bottom of the conveying pipe. A discharge port is provided on the bottom of the tunnel pipe, and the material body is conveyed to the inside of the tunnel through the discharge port.

[0036] Among them, the installation equipment described in S3 is a pipeline conveying device, through which the steel pipe structure is conveyed into the tunnel. The pipeline conveying device is a conveying crawler structure. A groove is set in the middle of the conveying crawler, and the steel pipe is placed in the groove for conveying it. Multiple conveying crawlers are combined with each other to convey the steel pipe to the depth of the tunnel. The conveying depth can be adjusted by adjusting the number of conveying crawlers.

[0037] Among them, the S4 sets a steel pipe frame inside the tunnel, installs the steel pipe on the steel pipe frame, and then strengthens the connection between the steel pipe and the steel pipe frame by welding, and then welds the steel pipes at the same position of the steel pipe frame to extend the length of the steel pipe, thereby forming a steel pipe lining that runs through the entire tunnel inside the tunnel.

[0038] Among them, the fiberglass plate used in S5 is a new material, which is made by adding resin to glass fiber. The fiberglass plate has an arc structure and is provided with connecting grooves. The fiberglass plates are connected by passing steel wires through the connecting grooves to form a closed circle.

[0039] Among them, in S5, a circle of glass fiber reinforced plastic layer is formed by placing glass fiber reinforced plastic plates inside the steel pipe lining. The provided glass fiber reinforced plastic layer not only provides support for pouring but also improves the strength of the pouring structure inside the tunnel.

[0040] Among them, in S6, concrete is transported into the tunnel, fine stones are arranged inside the concrete, and the fine stones increase the structural strength of the concrete. The concrete is transported into the tunnel through the tunnel pipe, and the concrete is poured on the steel pipe lining to form a stable structure.

[0041] The foamed cement in S7 is a fluid strength cement object, which can fill the gaps in the tunnel where the concrete is poured.

[0042] The working principle and use process of the present invention are as follows: a hole is drilled on the top of the tunnel, the top of the tunnel is penetrated to form a pipeline connected to the inside of the tunnel, a delivery pipe is installed inside part of the pipeline, a pipeline frame is installed on the top of the tunnel, a tunnel pipe is arranged on the pipeline frame, the tunnel pipe is connected to the delivery pipe, an installation device is arranged inside the tunnel, the delivery end of the installation device is arranged at the tunnel entrance, the steel pipe is transported to the inside of the tunnel through the installation equipment, the installation personnel weld and connect the delivery steel pipe, and the steel pipes are constructed into a steel pipe lining inside the tunnel, the construction personnel install a supporting structure inside the steel pipe lining to support the steel pipe lining, glass fiber reinforced plastic plates are arranged inside the steel pipe, the glass fiber reinforced plastic plates are combined and attached to the inner wall of the steel pipe lining, concrete is transported to the inside of the tunnel through the delivery pipe, and the concrete is transported to various places inside the tunnel through the tunnel pipe, and foamed cement is transported to the inside of the tunnel through the delivery pipe, and the foamed cement is transported to various places inside the tunnel through the tunnel pipe.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A method for constructing a steel pipe lining in a hydraulic tunnel, characterized in that: The following steps are involved: S1. Drill a hole on the top of the tunnel, penetrate the top of the tunnel to form a pipeline connecting the top to the inside of the tunnel, and install a delivery pipe inside part of the pipeline; S2. Install a pipeline frame on the top of the tunnel, and set a tunnel pipe on the pipeline frame, and the tunnel pipe is connected to the conveying pipe; S3. An installation device is arranged inside the tunnel, and a conveying end of the installation device is arranged at the entrance of the tunnel, and the steel pipe is conveyed into the tunnel through the installation device; S4. The installation personnel weld and connect the conveying steel pipes to form the steel pipe lining inside the tunnel; S5. Construction workers install a support structure inside the steel pipe lining to support the steel pipe lining, and set glass fiber reinforced plastic plates inside the steel pipe. The glass fiber reinforced plastic plates are combined and attached to the inner wall of the steel pipe lining. S6, conveying concrete into the tunnel through the conveying pipeline, and conveying the concrete to various places inside the tunnel through the tunnel pipe; S7. The foamed cement is transported into the tunnel through the transport pipeline, and the foamed cement is transported to various places in the tunnel through the tunnel pipe.

2. A method for constructing a steel pipe lining in a hydraulic tunnel according to claim 1, characterized in that: The top of the tunnel in S1 connects the inside of the tunnel and the top of the tunnel. The diameter of the tunnel is 18 to 22 cm. A conveying pipe is installed inside a part of the tunnel, and the other part of the tunnel is used as a ventilation hole.

3. The method for constructing a steel pipe lining in a hydraulic tunnel according to claim 1, characterized in that: The delivery pipe in S1 is a seamless steel pipe with a diameter of 18 to 22 cm. The top of the delivery pipe is installed and fixed on the top of the hole, and the bottom of the delivery pipe passes through the hole and is fixed on the top of the tunnel.

4. The method for constructing a steel pipe lining in a hydraulic tunnel according to claim 1, characterized in that: A mounting hole is provided on the top of the tunnel in S2, and mounting bolts are passed through the top of the pipeline frame and screwed into the mounting hole. The pipeline frame is installed and fixed through the mounting hole, and a pipeline clamp is provided on the pipeline frame. The pipeline clamp clamps and fixes the tunnel pipe. A connecting port is provided on the top of the tunnel pipe, and the connecting port is connected to the bottom of the conveying pipe. A discharge port is provided on the bottom of the tunnel pipe, and the material body is conveyed to the inside of the tunnel through the discharge port.

5. The method for constructing a steel pipe lining in a hydraulic tunnel according to claim 1, characterized in that: The installation equipment described in S3 is a pipeline conveying device, which is used to convey the steel pipe structure into the tunnel. The pipeline conveying device is a conveying track structure. A groove is provided in the middle of the conveying track, and the steel pipe is placed in the groove for conveying. Multiple conveying tracks are combined with each other to convey the steel pipe to the depth of the tunnel. The conveying depth can be adjusted by adjusting the number of conveying tracks.

6. The method for constructing a steel pipe lining in a hydraulic tunnel according to claim 1, characterized in that: The S4 sets a steel pipe frame inside the tunnel, installs the steel pipe on the steel pipe frame, and then strengthens the connection between the steel pipe and the steel pipe frame by welding. The steel pipes at the same position of the steel pipe frame are welded to extend the length of the steel pipe, thereby forming a steel pipe lining that runs through the entire tunnel inside the tunnel.

7. The method for constructing a steel pipe lining in a hydraulic tunnel according to claim 1, characterized in that: The FRP plate used in S5 is a new material, which is made by adding resin into glass fiber. The FRP plate has an arc structure and is provided with connecting grooves. The FRP plates are connected by passing steel wires through the connecting grooves, thereby forming a closed circle.

8. The method for constructing a steel pipe lining in a hydraulic tunnel according to claim 1, characterized in that: In S5, a circle of FRP layer is formed by placing FRP plate inside the inner lining of the steel pipe. The FRP layer provides support for pouring and improves the strength of the pouring structure inside the tunnel.

9. The method for constructing a steel pipe lining in a hydraulic tunnel according to claim 1, characterized in that: In S6, concrete is transported into the tunnel. Fine stones are arranged inside the concrete. The fine stones increase the structural strength of the concrete. The concrete is transported into the tunnel through the tunnel pipe and poured on the steel pipe lining to form a stable structure.

10. The method for constructing a steel pipe lining in a hydraulic tunnel according to claim 1, characterized in that: The foamed cement in S7 is a fluid strength cement object, which can fill the gaps in the tunnel where the concrete is not poured, thereby filling the gaps.

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