CN216866781U

CN216866781U - Drainage system of gas tunnel transition section

Info

Publication number: CN216866781U
Application number: CN202220143482.6U
Authority: CN
Inventors: 刘卫东; 刘维青; 王旭东; 石海龙; 袁井丽; 苗兆健
Original assignee: Third Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Current assignee: Third Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-07-01
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses a drainage system of a gas tunnel transition section, which comprises a fixed frame, wherein a suspension plate is connected in the fixed frame in a sliding manner, one end of a stay wire is fixedly installed at the top of the suspension plate through a cross rod, the other end of the stay wire is inserted into an inner cavity of a drain pipe and is fixedly connected with a water retaining mechanism, the drain pipe is provided with a water inlet end and a water outlet end, the water inlet end of the drain pipe is fixedly connected with a blind pipe, and a guide assembly is fixedly installed in the inner cavity of the blind pipe. This device installation is simple, convenient, and it is convenient to maintain and change, and the in-process suspension board that uses floats in the slide according to the size of water yield to drive manger plate mechanism and open or close, get rid of ponding through blind pipe and drain pipe, because keep ponding of take the altitude in the drain pipe all the time, gas extrusion is above the ponding face, ensures that the in-process of drainage at every turn can not have gas to ooze, accomplishes the drainage to the lining back.

Description

Drainage system of gas tunnel transition section

Technical Field

The utility model relates to the technical field of gas tunnel drainage, in particular to a drainage system of a gas tunnel transition section.

Background

At present, in domestic gas tunnels, gas and water are discharged separately, the gas and the water are stored behind a lining simultaneously, and water and gas are separated in a drainage cavity by arranging a reserved pit groove and a cavity on the side wall of the tunnel and utilizing a height difference method of an embedded pipeline to discharge the water to a drainage ditch. However, the method occupies the side wall position of the tunnel, is inconvenient to construct, the position of the drain hole is not easy to fix, a side wall supporting structure needs to be added, the manufacturing cost is high, and the construction difficulty of enlarging the excavation section when the surrounding rock is weak is high. For this purpose, we propose a drainage system for the transition section of a gas tunnel.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a drainage system for a transition section of a gas tunnel, which solves the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a drainage system of gas tunnel changeover portion, includes the mount, sliding connection has the suspension board in the mount, the top of suspension board has the one end of acting as go-between through crossbar fixed mounting, the other end of acting as go-between is inserted to the inner chamber fixed connection manger plate mechanism of drain pipe, the drain pipe is equipped with into water end and play water end, the income water end fixedly connected with blind pipe of drain pipe, the inner chamber fixed mounting of blind pipe has the direction subassembly.

Preferably, the mount is including being the fixed block that bilateral symmetry set up, the equal fixed mounting of upper and lower lateral wall of fixed block has fixed buckle, two the slide has all been seted up to the relative lateral wall of fixed block, sliding connection is in the slide respectively at the both ends of suspension plate.

Preferably, the water retaining mechanism comprises a first fixing plate and a second fixing plate which are fixedly installed in the inner cavity of the drain pipe, a moving block is assembled between the first fixing plate and the second fixing plate, one end of the moving block penetrates through the second fixing plate and is fixedly connected with the stay wire, the other end of the moving block penetrates through the first fixing plate, a water outlet groove penetrating through the inner cavity of the moving block is formed in the side wall, adjacent to the first fixing plate, of the moving block, water outlet holes communicated with the water outlet groove are uniformly formed in the side wall of the moving block, and a connecting assembly is fixedly assembled between the moving block and the second fixing plate.

Preferably, the connecting assembly comprises a fixed shaft fixedly connected with the second fixed plate, a connecting shaft is fixedly mounted on the side wall of the moving block, the connecting shaft is inserted into the inner cavity of the fixed shaft, and a return spring is fixedly mounted between the connecting shaft and the fixed shaft.

Preferably, the guide assembly comprises an installation frame fixedly installed on the inner cavity side wall of the blind pipe, a fixed pulley is fixedly installed in the installation frame, and the stay wire is attached to the side wall of the fixed pulley.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a drainage system of gas tunnel changeover portion, is in the first concrete jet in tunnel and accomplishes the back, fixes mount and suspension board through fixed the knot, then carries out the trompil to the concrete, is provided with blind pipe and drain pipe, and the drain pipe is buried underground in two substrate foot concretes, and the blind pipe is installed behind one's back at the waterproof board, and the drain pipe is closely knit with the welding of waterproof board trompil department all around, and the installation is simple, convenient, and it is convenient to maintain and change. The suspension plate floats in the slide according to the size of water quantity in the use process, so that the water retaining mechanism is driven to be opened or closed, accumulated water is drained through the blind pipe and the drainage pipe, and the gas is extruded above the accumulated water surface due to the fact that the accumulated water with a certain height is always kept in the drainage pipe, so that gas cannot seep out in the process of every drainage, and drainage on the back of the lining is completed.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a detailed view of fig. 2 at a.

In the figure: 1. the water-retaining device comprises a fixing frame 1-1, a fixing block 1-2, a fixing buckle 1-3, a slideway 2, a suspension plate 3, a cross rod 4, a pull wire 5, a water discharge pipe 6, a water retaining mechanism 6-1, a first fixing plate 6-2, a second fixing plate 6-3, a moving block 6-4, a water outlet groove 6-5, a water outlet hole 7, a blind pipe 8, a guide assembly 8-1, an installation frame 8-2, a fixed pulley 9, a connecting assembly 9-1, a fixed shaft 9-2, a connecting shaft 9-3 and a reset spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a drainage system of a gas tunnel transition section comprises a fixing frame 1, a suspension plate 2 is connected in the fixing frame 1 in a sliding mode, the fixing frame 1 comprises fixing blocks 1-1 which are arranged in a bilateral symmetry mode, fixing buckles 1-2 are fixedly installed on the upper side wall and the lower side wall of each fixing block 1-1, slide ways 1-3 are formed in the opposite side walls of the two fixing blocks 1-1, two ends of the suspension plate 2 are connected in the slide ways 1-3 in a sliding mode respectively, the suspension plate 2 can slide up and down in the fixing frame 1 which is arranged in the symmetry mode, the fixing frame 1 is fixed by inserting fixing nails into the fixing buckles 1-2, the suspension plate 2 is made of light foam plastic materials, the suspension plate has good buoyancy, meanwhile, the suspension plate is prevented from being soaked in water, aged and deteriorated, after primary support concrete is sprayed in a tunnel, the fixing frame 1 and the suspension plate 2 are fixed through the fixing nails, the moving direction of the suspension plate 2 is limited through the slideways 1-3, and when water is accumulated in the tunnel, the suspension plate 2 keeps moving upwards.

The top of the suspension plate 2 is fixedly provided with one end of a stay wire 4 through a cross rod 3, the other end of the stay wire 4 is inserted into an inner cavity of a drain pipe 5 and is fixedly connected with a water retaining mechanism 6, semi-automatic drainage is completed through the water retaining mechanism 6, the water retaining mechanism 6 comprises a first fixing plate 6-1 and a second fixing plate 6-2 which are fixedly arranged in the inner cavity of the drain pipe 5, a moving block 6-3 is assembled between the first fixing plate 6-1 and the second fixing plate 6-2, one end of the moving block 6-3 penetrates through the second fixing plate 6-2 and is fixedly connected with the stay wire 4, the other end of the moving block 6-3 penetrates through the first fixing plate 6-1, the side wall of the moving block 6-3 adjacent to the first fixing plate 6-1 is provided with a water outlet groove 6-4 which penetrates through the inner cavity of the moving block 6-3, the side wall of the moving block 6-3 is uniformly provided with water outlet holes 6-5 which are communicated with the water outlet groove 6-4, a connecting component 9 is fixedly assembled between the moving block 6-3 and the second fixing plate 6-2, as shown in fig. 3, the moving block 6-3 is made of rubber material, the drain pipe 5 is blocked by the matching of the moving block 6-3 and the first fixing plate 6-1 and the second fixing plate 6-2, when the accumulated water amount reaches a certain level, the floating plate 2 is lifted, the moving block 6-3 is driven by the stay wire 4 to move, so that the water outlet 6-5 is moved into the drain pipe 5 through the second fixing plate 6-2 to be communicated with the blind pipe 7, the accumulated water is discharged through the water outlet 6-5 and the water outlet groove 6-4, the position of the floating plate 2 is lowered in the process of water amount reduction after the accumulated water is discharged, the moving block 6-3 is reset through the connecting component 9, and the sealing of the first fixing plate 6-1 and the second fixing plate 6-2 is completed, certain accumulated water exists in the drain pipe 5, gas is isolated, and gas seepage is avoided in the process of draining every time.

The connecting assembly 9 comprises a fixed shaft 9-1 fixedly connected with the second fixed plate 6-2, a connecting shaft 9-2 is fixedly installed on the side wall of the moving block 6-3, the connecting shaft 9-2 is inserted into an inner cavity of the fixed shaft 9-1, a return spring 9-3 is fixedly installed between the connecting shaft 9-2 and the fixed shaft 9-1, and the return spring 9-3 generates elasticity on the connecting shaft 9-2, so that the moving block 6-3 is convenient to reset after drainage is completed.

The drain pipe 5 is provided with a water inlet end and a water outlet end, the water inlet end of the drain pipe 5 is fixedly connected with a blind pipe 7, an inner cavity of the blind pipe 7 is fixedly provided with a guide assembly 8, the guide assembly 8 comprises a mounting frame 8-1 fixedly mounted on the side wall of the inner cavity of the blind pipe 7, a fixed pulley 8-2 is fixedly mounted in the mounting frame 8-1, the stay wire 4 is attached to the side wall of the fixed pulley 8-2, the force transmission direction is changed by arranging the fixed pulley 8-2, the force in the vertical direction is changed into the horizontal direction, and the stay wire 4 is convenient for pulling the moving block 6-3.

The working principle is as follows: in the use process, the device is installed behind a tunnel lining in a pre-buried mode, when accumulated water behind the lining rises to a certain height, the suspension plate 2 moves upwards under the action of buoyancy, then the tight stay wire 4 drives the moving block 6-3 to move through the cooperation of the guide assembly 8, the water outlet 6-5 is communicated with the water outlet pipe 5, the accumulated water is discharged, after the accumulated water quantity drops, the moving block 6-3 resets after being subjected to the elasticity of the connecting assembly 9, a certain amount of accumulated water exists in the water outlet pipe 5 at the moment, gas permeation is avoided, gas extrusion is carried out on the accumulated water surface, gas seepage is avoided when water is discharged at every time, and water and gas separation is completed.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drainage system of gas tunnel changeover portion which characterized in that: including mount (1), sliding connection has suspension board (2) in mount (1), the top of suspension board (2) has the one end of acting as go-between (4) through cross rod (3) fixed mounting, the other end of acting as go-between (4) is inserted to inner chamber fixed connection manger plate mechanism (6) of drain pipe (5), drain pipe (5) are equipped with income water end and outlet end, the income water end fixedly connected with blind pipe (7) of drain pipe (5), the inner chamber fixed mounting of blind pipe (7) has guide assembly (8).

2. The drainage system for a gas tunnel transition section of claim 1, wherein: the fixing frame (1) comprises fixing blocks (1-1) which are arranged in a bilateral symmetry mode, fixing buckles (1-2) are fixedly mounted on the upper side wall and the lower side wall of each fixing block (1-1), slide ways (1-3) are formed in the opposite side walls of the two fixing blocks (1-1), and two ends of the suspension plate (2) are connected into the slide ways (1-3) in a sliding mode respectively.

3. The drainage system for a gas tunnel transition section of claim 1, wherein: the water retaining mechanism (6) comprises a first fixing plate (6-1) and a second fixing plate (6-2) which are fixedly installed in an inner cavity of a drain pipe (5), a moving block (6-3) is assembled between the first fixing plate (6-1) and the second fixing plate (6-2), one end of the moving block (6-3) penetrates through the second fixing plate (6-2) and is fixedly connected with a pull wire (4), the other end of the moving block (6-3) penetrates through the first fixing plate (6-1), a water outlet groove (6-4) penetrating through the inner cavity of the moving block (6-3) is formed in the side wall, adjacent to the first fixing plate (6-1), of the moving block (6-3), and water outlet holes (6-5) communicated with the water outlet groove (6-4) are uniformly formed in the side wall of the moving block (6-3), and a connecting component (9) is fixedly assembled between the moving block (6-3) and the second fixing plate (6-2).

4. The drainage system for a gas tunnel transition section of claim 3, wherein: the connecting assembly (9) comprises a fixed shaft (9-1) fixedly connected with the second fixed plate (6-2), a connecting shaft (9-2) is fixedly mounted on the side wall of the moving block (6-3), the connecting shaft (9-2) is inserted into an inner cavity of the fixed shaft (9-1), and a return spring (9-3) is fixedly mounted between the connecting shaft (9-2) and the fixed shaft (9-1).

5. The drainage system for a gas tunnel transition section of claim 1, wherein: the guide assembly (8) comprises a mounting rack (8-1) fixedly mounted on the inner cavity side wall of the blind pipe (7), a fixed pulley (8-2) is fixedly mounted in the mounting rack (8-1), and the pull wire (4) is attached to the side wall of the fixed pulley (8-2).