CN217872918U

CN217872918U - Tunnel hole wall water outlet point centralized drainage device

Info

Publication number: CN217872918U
Application number: CN202222032182.3U
Authority: CN
Inventors: 周泽林; 李铮; 袁星; 陈昆萍; 邬文鹏; 夏孝军; 王毅; 徐永杰; 张申
Original assignee: China 19th Metallurgical Group Co ltd
Current assignee: China 19th Metallurgical Group Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-22
Anticipated expiration: 2032-08-03

Abstract

The utility model provides a tunnel cave wall water outlet point concentrates drainage device relates to tunnel engineering technical field, including the tube head of intaking, one side fixed mounting of the tube head of intaking has drainage corrugated pipe, one side fixedly connected with tee bend pipe fitting of drainage corrugated pipe, the both sides fixed mounting of tee bend pipe fitting has the drainage blind pipe, the fixed surface of the tube head of intaking installs overhanging hangers, the surface of overhanging hangers runs through and is provided with expansion screw a, uses the conical water inlet tube head of tube-shape can directly draw the rivers of cave wall water outlet point out through the tube head of intaking, has improved drainage efficiency greatly, uses the tee bend pipe fitting, can lead nearest drainage blind pipe to the water of water outlet point through the bellows, compares with traditional encryption hoop drain pipe, has saved the use quantity of drainage tubular product greatly, and this drainage device field usage is convenient, the installation is swift, only need to chisel a pinhole on the cliff side and can install fast.

Description

Tunnel hole wall water outlet point centralized drainage device

Technical Field

The utility model relates to a tunnel engineering technical field especially relates to tunnel cave wall water outlet point concentrates drainage device.

Background

When the tunnel passes through a water-rich broken zone, a local water outlet point is often formed on a tunnel wall excavation surface or a surface which is subjected to primary support, a tunnel roof or a rock surface of a tunnel wall, and fracture water in a rock mass usually forms seepage, linear dripping or strand water burst and the like at the local water outlet point of the tunnel wall along a groundwater seepage channel.

In the prior construction, the underground water of the water outlet points of the primary support of the tunnel wall is discharged, usually, a circular drainage blind pipe with double-wall holes is laid along the surface of the tunnel wall, but the drainage mode has two problems, namely, the local water outlet points are distributed in intensive tunnel sections, and the mode of only adopting the encrypted circular drainage blind pipe is not economical and is difficult to cover all the water outlet points of the tunnel wall by the blind pipe; secondly, no effective centralized drainage method is available for local water outlet points on the face of the palm, so that water is easy to accumulate near the face of the palm.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a tunnel cave wall water outlet point centralized drainage device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the centralized water drainage device for the water outlet points of the tunnel wall comprises a water inlet pipe head, wherein a drainage corrugated pipe is fixedly mounted on one side of the water inlet pipe head, a three-way pipe is fixedly connected to one side of the drainage corrugated pipe, drainage blind pipes are fixedly mounted on two sides of the three-way pipe, an extending lug is fixedly mounted on the outer surface of the water inlet pipe head, and an expansion screw a is arranged on the surface of the extending lug in a penetrating mode.

In order to make the firm fixing of drainage corrugated pipe on the cliff, the utility model discloses the improvement has, drainage corrugated pipe's surface is provided with the U-shaped pipe strap, the surface of U-shaped pipe strap has been seted up and has been punched, the inside of punching is provided with expansion screw b.

In order to facilitate the smooth entering of underground water energy into the water inlet pipe head, the utility model discloses the improvement has, the shape of water inlet pipe head is the tube-shape taper shape, the surface of water inlet pipe head is provided with plum blossom form through-hole.

In order to avoid debris jam drainage system in the groundwater, the utility model discloses the improvement has, the surface parcel of the tube head of intaking has the non-woven fabrics.

In order to facilitate the drainage corrugated pipe can lay along the hole wall face, the utility model discloses the improvement has, drainage corrugated pipe's material is polyurethane or polyethylene.

In order to ensure that the connection seal does not seep water, the utility model discloses the improvement has, the pipe diameter phase-match of tee bend pipe fitting and drainage bellows and drainage blind pipe.

In order to make groundwater flow in the drainage blind pipe, the utility model discloses the improvement has, drainage corrugated pipe and drainage blind pipe pass through tee bend pipe fitting fixed connection.

Compared with the prior art, the utility model has the advantages and positive effects that,

the utility model discloses in, through setting up into water pipe head, the drainage bellows, the tee bend pipe fitting, the drainage blind pipe, overhanging hangers, expansion screw a, the U-shaped pipe strap, punch, expansion screw b, plum blossom form through-hole and non-woven fabrics, use the conical water pipe head that intakes of tube-shape can directly draw forth the rivers of hole wall play water point through the pipe head that intakes, drainage efficiency has been improved greatly, use the tee bend pipe fitting, can lead nearest drainage blind pipe to the water of play water point through the bellows, compare with traditional encryption hoop drain pipe, the use quantity of drainage tubular product has been saved greatly, this drainage device field usage is convenient, the installation is swift, only need to go out the water point department on the cliff and chisel out a aperture and can install fast.

Drawings

FIG. 1 is a schematic view of the overall structure of the centralized drainage device for water outlet points on tunnel walls of the present invention;

FIG. 2 is a schematic view of a part of the structure of a water inlet pipe head and a water discharge corrugated pipe in the water discharge point centralized guiding and draining device of the tunnel wall of the present invention;

FIG. 3 is a schematic view of a part of the structure of a water inlet pipe head of the water outlet point centralized drainage device for tunnel walls of the present invention;

FIG. 4 is a schematic top view of the water inlet pipe head of the water outlet point centralized drainage device for tunnel wall of the present invention;

fig. 5 is a schematic view of a part of the structure of the corrugated drainage pipe in the tunnel wall water outlet point centralized drainage device of the present invention.

Illustration of the drawings:

1. a water inlet pipe head; 2. a drainage bellows; 3. a tee pipe fitting; 4. a drainage blind pipe; 5. a hanging lug extends outwards; 6. an expansion screw a; 7. a U-shaped pipe clamp; 8. punching; 9. an expansion screw b; 10. a quincuncial through hole; 11. a nonwoven fabric.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Example one

Referring to fig. 1-5, the present invention provides a technical solution: tunnel hole wall water outlet point centralized drainage device, including water inlet pipe head 1, one side fixed mounting of water inlet pipe head 1 has drainage bellows 2, one side fixed mounting through setting up water inlet pipe head 1 has drainage bellows 2, water inlet pipe head 1 is used for discharging groundwater into drainage bellows 2, one side fixed connection of drainage bellows 2 has tee bend pipe fitting 3, the both sides fixed mounting of tee bend pipe fitting 3 has drainage blind pipe 4, both sides fixed mounting through setting up tee bend pipe fitting 3 has drainage blind pipe 4, according to the actual laying condition, people can set up drainage blind pipe 4 to vertical or hoop, the outer fixed surface of water inlet pipe head 1 installs overhanging hangers 5, the surface of overhanging hangers 5 runs through and is provided with expansion screw a6, the outer fixed surface through setting up water inlet pipe head 1 installs overhanging hangers 5, it is provided with expansion screw a6 to run through on the surface of hangers 5 simultaneously, run through overhanging hangers 5 and nail on the cliff, can fix water inlet pipe head 1.

Referring to fig. 1-5, a U-shaped pipe clamp 7,U is arranged on the outer surface of a drainage corrugated pipe 2, a hole 8 is formed on the surface of the pipe clamp 7, an expansion screw b9 is arranged inside the hole 8, the hole 8 is formed on the surface of the U-shaped pipe clamp 7, and the expansion screw b9 is arranged inside the hole 8 to fix the drainage corrugated pipe 2 on the wall surface of the hole, the water inlet pipe head 1 is cylindrical and conical, a quincunx through hole 10 is formed on the outer surface of the water inlet pipe head 1, the water inflow of groundwater into the water inlet pipe head 1 is increased by arranging the quincunx through hole 10 on the outer surface of the water inlet pipe head 1, the outer surface of the water inlet pipe head 1 is wrapped with a non-woven fabric 11, the non-woven fabric 11 is wrapped on the outer surface of the water inlet pipe head 1 to prevent the non-woven fabric 11 from wrapping the water inlet pipe head 1, the material of drainage bellows 2 is polyurethane or polyethylene, the material through setting up drainage bellows 2 is polyurethane or polyethylene, use flexible tubular product, so that lay the water pipe along the hole wall face, tee bend pipe fitting 3 and drainage bellows 2 and the pipe diameter phase-match of drainage blind pipe 4, through setting up the pipe diameter phase-match of tee bend pipe fitting 3 and drainage bellows 2 and drainage blind pipe 4, in order to ensure that tee bend pipe fitting 3 and drainage bellows 2 and drainage blind pipe 4 are sealed not to seep water, drainage bellows 2 and drainage blind pipe 4 pass through tee bend pipe fitting 3 fixed connection, through setting up drainage bellows 2 and drainage blind pipe 4 and passing through tee bend pipe fitting 3 fixed connection, make groundwater can follow drainage bellows 2 and flow into nearest drainage blind pipe 4 department.

The working principle is as follows: the water inlet pipe head 1, the drainage corrugated pipe 2, the three-way pipe fitting 3, the drainage blind pipe 4, the outward-extending hanging lug 5, the expansion screw a6, the U-shaped pipe clamp 7, the punch 8, the expansion screw b9, the plum blossom-shaped through hole 10 and the non-woven fabric 11 are arranged, marks are made at the water outlet point of the rock surface of the tunnel cavity wall, a small hole is chiseled by using a tool, the diameter and the depth of the chiseled small hole are slightly larger than the outer diameter and the height of the water inlet pipe head 1, then the non-woven fabric 11 is used for wrapping the water inlet pipe head 1 and is plugged into the small hole of the water outlet point, the outward-extending hanging lug 5 of the water inlet pipe head 1 is tightly attached to the rock surface of the cavity wall, then the expansion screw a6 is used for fixing, one end of the drainage corrugated pipe 2 is connected with the end part of the water inlet pipe head 1, the other end of the drainage corrugated pipe 2 is connected with the circumferential drainage blind pipe 4 or the longitudinal drainage blind pipe 4 nearby through the three-way pipe fitting 3, the drainage corrugated pipe 2 is tightly attached to the rock surface, the water inlet pipe head and the drainage corrugated pipe 2 is firmly attached to the water outlet pipe wall through the expansion screw b9, the U-shaped pipe clamp 7, the installation quality is checked, the whole linear drainage corrugated pipe fitting is smooth, and the drainage corrugated pipe joint is firmly attached to the drainage blind pipe can be firmly attached to the drainage pipe.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. Tunnel cave wall water outlet point is concentrated and is drawn drainage device, including water inlet tube head (1), its characterized in that: one side fixed mounting of water inlet pipe head (1) has drainage corrugated pipe (2), one side fixedly connected with tee bend pipe fitting (3) of drainage corrugated pipe (2), the both sides fixed mounting of tee bend pipe fitting (3) has drainage blind pipe (4), the outer fixed surface of water inlet pipe head (1) installs overhanging hangers (5), the surface of overhanging hangers (5) is run through and is provided with expansion screw a (6).

2. The tunnel cave wall water outlet point centralized drainage device of claim 1, which is characterized in that: the outer surface of the drainage corrugated pipe (2) is provided with a U-shaped pipe clamp (7), the surface of the U-shaped pipe clamp (7) is provided with a punch (8), and an expansion screw b (9) is arranged inside the punch (8).

3. The tunnel cave wall water outlet point centralized drainage device of claim 1, which is characterized in that: the shape of water inlet pipe head (1) is the tube-shape taper shape, the surface of water inlet pipe head (1) is provided with plum blossom form through-hole (10).

4. The tunnel cave wall water outlet point centralized drainage device of claim 1, which is characterized in that: the outer surface of the water inlet pipe head (1) is wrapped with non-woven fabrics (11).

5. The tunnel cave wall water outlet point centralized drainage device of claim 1, which is characterized in that: the drainage corrugated pipe (2) is made of polyurethane or polyethylene.

6. The tunnel cave wall water outlet point centralized drainage device of claim 1, which is characterized in that: the three-way pipe fitting (3) is matched with the pipe diameters of the drainage corrugated pipe (2) and the drainage blind pipe (4).

7. The tunnel cave wall water outlet point centralized drainage device of claim 1, which is characterized in that: the drainage corrugated pipe (2) and the drainage blind pipe (4) are fixedly connected through a three-way pipe fitting (3).