CN219159014U

CN219159014U - Telescopic tunnel dryer

Info

Publication number: CN219159014U
Application number: CN202320207249.4U
Authority: CN
Inventors: 潘曦阳; 严顺; 何印洪; 何星; 孟帮鹏
Original assignee: Sichuan Communications Construction Group Co Ltd
Current assignee: Sichuan Communications Construction Group Co Ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-06-09
Anticipated expiration: 2033-02-09

Abstract

The utility model belongs to the technical field of tunnel construction, and particularly discloses a telescopic tunnel air duct which comprises a telescopic device obliquely arranged on the wall of a tunnel hole and an air duct hung on the telescopic device, wherein the telescopic device comprises a fixed cylinder and a plurality of telescopic cylinders which are sleeved with each other and are in sliding connection with the fixed cylinder, a steel wire rope is arranged on the telescopic cylinders, one end of the steel wire rope is connected with the forefront end of the telescopic cylinders, and the other end of the steel wire rope is connected with a motor. After the tunnel face is blasted, the telescopic device directly drives the air duct to reach the blasted place, so that the working efficiency is improved.

Description

Telescopic tunnel dryer

Technical Field

The utility model relates to the technical field of tunnel construction, in particular to a telescopic tunnel air duct.

Background

The wind cylinder is a main wind guiding device for local ventilation, is widely used in the fields of coal mines, tunnels, subway engineering and the like, and is connected with fan equipment to pump and exhaust wind to guide wind flow to flow along a certain direction. The tunnel ventilation generally adopts a telescopic air duct with a rigid framework.

In the construction of long and large tunnels by drilling and blasting, a large amount of flying stones are thrown into the tunnel by blasting on the working face, and the air duct is close to the working face and is easily damaged by the flying stones generated by blasting. In order to avoid the wind tunnel from being damaged and ensure good ventilation effect and quick construction, special devices are needed to control and adjust the wind tunnel to stretch out and draw back, at present, most of the adopted modes are that the wind tunnel is directly hung on the tunnel wall by using a steel wire rope or a guide rail, stretching is realized by means of a motor, but the front part also needs to be hung with the steel wire rope or the guide rail laid after blasting is finished, so that the wind tunnel cannot reach the position after blasting quickly, and the working efficiency is low.

Disclosure of Invention

The utility model aims to provide a telescopic tunnel air duct, which aims to solve the technical problem that the working efficiency is low because the air duct after shrinkage cannot reach the exploded place rapidly after the explosion of the face of a conventional telescopic device is completed.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model provides a telescopic tunnel dryer, includes the dryer, and the dryer is connected with the telescoping device that drives its flexible, and telescoping device includes fixed section of thick bamboo and the flexible section of thick bamboo that establishes of a plurality of each other cover with fixed section of thick bamboo sliding connection, the one end and the fixed section of thick bamboo fixed connection of dryer, the other end and flexible section of thick bamboo sliding connection, be provided with wire rope on the flexible section of thick bamboo, wire rope's one end is connected with the foremost end of flexible section of thick bamboo, the other end is connected with the motor, the motor is fixed at the tip of fixed section of thick bamboo, is provided with a plurality of couple on the fixed section of thick bamboo.

Preferably, the front end of the telescopic cylinder is provided with an annular groove, the air cylinder is provided with a plurality of hanging ropes fixed on the air cylinder at intervals along the length direction, and the hanging ropes are placed in the annular groove.

Preferably, the telescopic cylinder and the fixed cylinder are provided with strip-shaped grooves, the telescopic cylinder is provided with rollers, the rollers of the former telescopic cylinder slide in the strip-shaped grooves of the latter telescopic cylinder, and the telescopic cylinder slides in the fixed cylinder.

Preferably, the length of the slot is less than the length of the telescopic cylinder.

Preferably, the hook is connected with an anchor rod on the wall of the tunnel and is obliquely hung on the wall of the tunnel.

The technical scheme of the utility model has at least the following beneficial effects:

the utility model comprises a telescopic device obliquely arranged on the tunnel wall and an air duct hung on the telescopic device, wherein the telescopic device comprises a fixed cylinder and a plurality of telescopic cylinders sleeved with each other and in sliding connection with the fixed cylinder, a steel wire rope is arranged on the telescopic cylinders, one end of the steel wire rope is connected with the forefront end of the telescopic cylinders, the other end of the steel wire rope is connected with a motor, the steel wire rope is driven to shrink by the rotation of the motor before the face blasting, the telescopic cylinders shrink in sequence to drive the air duct to shrink, the air duct is prevented from being broken by broken stones, after the face blasting is finished, the telescopic cylinders slide out in sequence to drive the air duct to quickly reach the blasting place for ventilation, a worker does not need to lay a guide rail or hang the steel wire rope again, the air duct stretches out, and the working efficiency is higher.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the telescoping device of the present utility model;

fig. 3 is a top view of the telescoping device of the present utility model.

Icon: 1-an air duct; 2-hanging ropes; 3-an annular groove; 4-hooking; 5-a telescopic cylinder; 6-a roller; 7-fixing the cylinder; 8-a steel wire rope; 9-a bar-shaped groove; 10-motor.

Detailed Description

Examples

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

The present utility model will be described in detail with reference to fig. 1 to 3.

The utility model provides a telescopic tunnel dryer, including dryer 1, dryer 1 is connected with the telescoping device that drives its flexible, telescoping device includes fixed section of thick bamboo 7 and the flexible section of thick bamboo 5 that establishes with a plurality of fixed section of thick bamboo 7 sliding connection each other, the one end and the fixed section of thick bamboo 7 fixed connection of dryer 1, the other end and the flexible section of thick bamboo 5 sliding connection, be provided with wire rope 8 on the flexible section of thick bamboo 5, wire rope 8's one end and the forefront end of flexible section of thick bamboo 5 are connected with motor 10, the other end is connected with motor 10, motor 10 fixes the tip at fixed section of thick bamboo 7, be provided with a plurality of couple 4 on the fixed section of thick bamboo 7, before the face blasting, drive wire rope 8 shrink through motor 10's rotation, flexible section of thick bamboo 5 shrink in proper order, drive dryer 1 shrink, it is broken by the rubble to have avoided dryer 1.

The front end of the telescopic cylinder 5 is provided with an annular groove 3, the air cylinder 1 is provided with a plurality of hanging ropes 2 fixed on the air cylinder 1 along the length direction at intervals, the hanging ropes 2 are placed in the annular groove 3, the annular groove 3 is arranged to prevent the hanging ropes 2 from falling off to cause instability of the telescopic cylinder 5, and the working efficiency is reduced.

The telescopic cylinder 5 and the fixed cylinder 7 are internally provided with the strip-shaped grooves 9, the telescopic cylinder 5 is provided with the idler wheels 6, the idler wheels 6 of the previous telescopic cylinder 5 slide in the strip-shaped grooves of the next telescopic cylinder 5, the telescopic cylinder 5 slides in the fixed cylinder 7, the idler wheels 6 are positioned on two sides of the telescopic cylinder 5, the sliding speed is faster, and friction between the telescopic cylinders 5 is reduced.

The length of the strip-shaped groove 9 is smaller than that of the telescopic cylinder 5, so that the situation that the previous telescopic cylinder 5 completely enters the next telescopic cylinder 5 to cause locking when the hanging rope 2 is retracted into the telescopic cylinder 5 is avoided, and the telescopic cylinder 1 cannot be retracted in place.

Firstly, the air duct 1 is hung in the annular groove 3 on each telescopic tube 5 through the hanging rope 2, then the hanging hook 4 is connected with an anchor rod on the tunnel wall, the air duct is obliquely hung on the tunnel wall, the rotation of the motor 10 drives the steel wire rope 8 to shrink before the face blasting, the telescopic tubes 5 shrink in sequence to drive the air duct 1 to shrink, the motor 10 does not wind the steel wire rope 8 any more after the blasting is completed, the telescopic tubes 5 slide in sequence under the drive of the rollers 6 to drive the air duct 1 to rapidly stretch to the face for ventilation, and the air duct 1 is connected with a fan (not shown in the figure) to improve the working efficiency.

The above examples merely illustrate specific embodiments of the utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the technical idea of the utility model, which fall within the scope of protection of the utility model.

Claims

1. The utility model provides a telescopic tunnel dryer, includes dryer (1), dryer (1) are connected with the telescoping device who drives its flexible, its characterized in that: the telescopic device comprises a fixed cylinder (7) and a plurality of telescopic cylinders (5) which are mutually sleeved and connected with the fixed cylinder (7), one end of the air cylinder (1) is fixedly connected with the fixed cylinder (7), the other end of the air cylinder is connected with the telescopic cylinders (5) in a sliding mode, a steel wire rope (8) is arranged on the telescopic cylinders (5), one end of the steel wire rope (8) is connected with the foremost end of the telescopic cylinders (5), the other end of the steel wire rope is connected with a motor (10), the motor (10) is fixed at the end part of the fixed cylinder (7), and a plurality of hooks (4) are arranged on the fixed cylinder (7).

2. The telescopic tunnel wind tunnel according to claim 1, characterized in that the front end of the telescopic drum (5) is provided with an annular groove (3), the wind tunnel (1) is provided with a plurality of hanging ropes (2) fixed on the wind tunnel (1) at intervals along the length direction, and the hanging ropes (2) are placed in the annular groove (3).

3. The telescopic tunnel wind tunnel according to claim 1, wherein the telescopic drum (5) and the fixed drum (7) are provided with strip-shaped grooves (9), the telescopic drum (5) is provided with rollers (6), the roller (6) of the former telescopic drum (5) slides in the strip-shaped groove of the latter telescopic drum (5), and the telescopic drum (5) slides in the fixed drum (7).

4. A telescopic tunnel wind tunnel according to claim 3, characterised in that the length of the strip-shaped groove (9) is smaller than the length of the telescopic drum (5).

5. A telescopic tunnel wind tunnel according to claim 1, characterised in that the hooks (4) are connected to anchors on the tunnel wall, hanging obliquely on the tunnel wall.