CN216974908U - Buffering formula tunnel air pipe - Google Patents

Abstract

The utility model discloses a buffer type tunnel ventilation pipeline which comprises a hard shell (1), a buffer device (2), an air pipe fixing device (3) and a soft air pipe (4), wherein the soft air pipe (4) is attached to the hard shell (1), the air pipe fixing device (3) is arranged on two sides of the hard shell (1) in pairs and used for fixing the soft air pipe (4), the buffer device (2) comprises a buffer bag (22), a cavity is arranged in the buffer bag (22) and used for buffering and sealing the front hard shell and the rear hard shell (1), and the problems that air leakage is easy to occur at the joint of the tunnel ventilation pipeline, and the installation is complicated and the tunnel ventilation pipeline is easy to deform are solved.

Description

Buffering formula tunnel air pipe

Technical Field

The utility model relates to the technical field of tunnel ventilation, in particular to a buffer type tunnel ventilation pipeline.

Background

In the construction process of tunnel engineering, methods such as ventilation and the like are required to create a required air environment for the space of a tunnel and underground building engineering, harmful substances such as harmful gas, steam, dust, blast smoke and the like are removed, the temperature, the relative humidity and the flow rate of air in the engineering reach specified standards, different tunnels and underground engineering have respective ventilation requirements, and due to different geographical and climatic conditions, building structures and internal production processes, the conventional ventilation scheme is that fresh air outside the tunnel is guided into an air pipe by a fan and then the air is guided into a required position of the tunnel by the air pipe, so that the development of the tunnel air pipe which is convenient to disassemble and assemble and is not easy to leak is necessary.

The problem that current tunnel tuber pipe exists has: (1) when the multi-section hard air pipes are installed in a butt joint mode, dislocation and collision are prone to occurring, the front hard air pipe and the rear hard air pipe are fixedly connected, and inconvenience is caused in the moving and adjusting processes; (2) the damage easily takes place to directly use flexible tuber pipe to ventilate, does not have the shell to carry out necessary protection.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects or improvement requirements of the prior art, the utility model provides a buffer type tunnel ventilation pipeline which adopts a hard shell, a buffer device, air pipe fixing devices and air pipes, wherein the air pipes are attached to the hard shell, the air pipe fixing devices are arranged on two sides of the hard shell in pairs and used for fixing the air pipes, the buffer device comprises a buffer bag, cavities are arranged in the buffer bag and used for providing buffer and sealing for the front hard shell and the rear hard shell, and the problems that air leakage and installation are complex at the joint of the tunnel ventilation pipeline are solved.

In order to achieve the above object, the present invention provides a buffer type tunnel ventilation duct, comprising:

the air pipe fixing devices are arranged on two sides of the hard shell in pairs and used for fixing the air pipes;

the buffer device comprises a buffer bag, wherein a cavity is arranged in the buffer bag and used for buffering and sealing the front hard shell and the rear hard shell.

Further, buffer includes go-between and solid fixed ring, gu fixed ring fixed mounting in the both ends of stereoplasm shell are used for fixing the buffering bag, go-between fixed mounting in the outside of buffering bag is used for connecting different the stereoplasm shell.

Further, the connecting rings comprise threaded holes, the connecting rings are attached to the hard shell, and the threaded holes are aligned and used for fixing the two connecting rings through bolts.

Further, the hard shell comprises hanging rings which are fixedly installed on two sides of the hard shell and used for hoisting the hard shell.

Furthermore, the air pipe fixing device comprises a locking block, a latch and a fixing bandage, wherein the locking block is fixedly arranged on two sides of the hard shell and provided with a clamping groove, the latch is arranged at two ends of the fixing bandage, and the latch penetrates through the clamping groove to be fixed and used for fixing two ends of the fixing bandage.

In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:

1. the utility model provides a buffer type tunnel ventilation pipeline, which comprises a hard shell, a buffer device, an air pipe fixing device and an air pipe, wherein the hard shell is of a semi-split pipeline structure and is fixedly arranged on the inner wall of a tunnel for fixing a soft air pipe, the air pipe fixing device is arranged on two sides of the hard shell and forms a coating on the bottom of the air pipe with the hard shell through a fixing binding band so as to prevent the soft air pipe from sagging when the air is not ventilated, the buffer device is arranged at two ends of the hard shell and is used for connecting a front pipeline and a rear pipeline and comprises a connecting ring, a buffer bag and a fixing ring, the fixing ring is used for fixedly installing the buffer bag, the connecting ring is used for butt-joint fixing with other hard shells, the buffer bag which is foldable and is provided with a cavity can buffer the two hard shells while the sealing performance is ensured, and the hard shells reduce the abrasion on the soft air pipe to a certain extent, increased life, soft tuber pipe is compared the tuber pipe that is all the stereoplasm in the transportation, has reduced the cost of transportation, has solved tunnel air pipe junction and has taken place easily to leak out and install loaded down with trivial details problem.

2. The utility model provides a buffer type tunnel ventilation pipeline, which adopts a wind pipe fixing device to fixedly support a soft wind pipe, wherein the wind pipe fixing device comprises locking blocks, clamping teeth and fixing binding bands, the locking blocks are arranged and fixed on two sides of a hard wind pipe in pairs, clamping grooves are formed in the locking blocks, the clamping teeth are arranged at two ends of the fixing binding bands, after the fixing binding bands penetrate through the clamping grooves, the clamping teeth can prevent the fixing binding bands from loosening, the tightness of the fixing binding bands can be conveniently adjusted by arranging a plurality of clamping teeth, and after the wind pipe is tightly attached to the inner concave surface of a hard shell, the wind pipe can be quickly bound by using the fixing binding bands.

Drawings

Fig. 1 is a schematic structural diagram of a buffer type tunnel ventilation duct according to an embodiment of the present invention;

fig. 2 is a partial enlarged view a of a buffer type tunnel ventilation duct according to an embodiment of the present invention;

fig. 3 is a top view of a buffer type tunnel ventilation duct according to an embodiment of the present invention;

fig. 4 is a partial enlarged view B of a buffer type tunnel ventilation duct according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a hard outer shell of a buffer type tunnel ventilation duct according to an embodiment of the present invention;

fig. 6 is a partial enlarged view C of a buffer tunnel ventilation duct according to an embodiment of the present invention.

In all the figures, the same reference numerals denote the same features, in particular: 1-hard shell, 2-buffer device, 3-air pipe fixing device, 4-air pipe, 11-hanging ring, 21-connecting ring, 22-buffer bag, 23-fixing ring, 31-binding band locking block, 32-latch, 33-fixing binding band and 211-threaded hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-6, the present invention provides a buffer type tunnel ventilation duct, comprising a hard shell 1, a buffer device 2, a duct fixing device 3 and a soft duct 4, wherein the hard shell 1 is a half-section of a circular duct, the inner concave surface of the duct is downward for providing support and protection, two sides of the duct can be hung or fixedly mounted on the inner wall of the tunnel, the soft duct 4 is a soft duct attached to the inner concave surface, the duct fixing device 3 is disposed at two sides of the hard shell 1 for rapidly binding the soft duct 4, the buffer device 2 is fixed at two ends of the hard shell 1, because the hard shells 1 connected end to end are easy to vibrate and dislocate during the installation of the ventilation duct and the tunnel, the buffer device 2 is disposed to achieve the buffer and sealing effects, and is also a connection part between the two hard shells 1, the problems that air leakage and complex installation are easy to occur at the connection position of the tunnel ventilation pipeline are solved.

Further, as shown in fig. 1-3, a plurality of hanging rings 11 are fixedly mounted on two sides of the hard shell 1, the hanging rings can be fixed on the inner wall of the tunnel through hanging ropes, the connection mode is simple, convenient and reliable, when the trend of the ventilation duct needs to be adjusted, only the hanging points need to be changed, the hard shell 1 can be made of hard plastics or metal materials, and after the installation, the hard shell 1 is coated on the upper half part of the soft air duct 4 to provide protection for the soft air duct.

Further, as shown in fig. 1-4, the buffer device 2 includes a connection ring 21, a buffer bag 22 and a fixing ring 23, the buffer device 2 is fixed at two ends of the hard casing 1, and is used for connecting two sections of the hard casing 1 and providing buffer, wherein the fixing ring 23 may be made of the same material as the hard casing 1, and is integrally formed, and the fixing ring 23 has the same shape as the cross section of the hard casing 1, and is a semi-ring structure, but has a larger ring area than the cross section of the hard casing 1, and is used for over-mounting the buffer bag 22, the buffer bag 22 is made of soft rubber or easily stretchable folding plastic, and ensures the sealing performance at the connection point of the hard casing 1, and prevents air leakage, preferably, the buffer bag 22 is made into a multi-fold internal cavity structure, which can improve the buffer capacity, further, the connection ring 21 has the same shape as the fixing ring 23, and is also in a semi-ring structure, fixed mounting is on buffering bag 22, a plurality of screw holes 211 have been arranged to circumference on the go-between 21, this screw hole 211 is the through-hole structure, when connecting the head and tail end portion of two stereoplasm shells 1, go-between 21 laminating between them, make screw hole 211 align, reuse two fixed go-between 21 of bolted connection, accomplish fixed back, because buffering bag 22's existence between two sections stereoplasm shells 1, can take place to buckle in the certain limit, dislocation and flexible, in complicated tunnel construction environment, adopt this air pipe to be convenient for remove the adjustment according to the actual ventilation demand in tunnel, guaranteed not to take place the striking between two stereoplasm shells 1 simultaneously.

Further, as shown in fig. 1, 4 and 6, the air duct fixing device 3 includes locking blocks 31, latch teeth 32 and fixing bands 33, the locking blocks 31 are fixedly mounted on two sides of the hard casing 1 in pairs, the locking blocks 31 are provided with slots, when the soft air duct 4 is fixedly mounted, the bottom of the soft air duct 4 is tightly attached to the inner concave surface of the hard casing 1, then two ends of the fixing bands 33 are passed through the slots, preferably, in order to prevent the soft air duct 4 from generating a gap with the hard casing 1, a support ring can be provided on the soft air duct 4 to stabilize the shape of the soft air duct 4 and ensure that the soft air duct 4 is attached to the hard casing 1, further, the fixing bands 33 are in a wide band-shaped structure to increase the contact surface with the soft air duct 4 and prevent the fixing bands 33 from sinking into when supporting the soft air duct 4, the two ends of the fixing bands 33 are provided with the hard latch teeth 32, the clamping teeth 32 can prevent the band from falling after the band passes through the clamping groove, preferably, a plurality of clamping teeth 32 can be arranged for adjusting the tightness degree of the fixing band 33 to adapt to the sizes of the soft air pipes 4 with different diameters, the fixing modes at the two ends of the fixing band 33 are simple and convenient, and the laying efficiency of long-distance ventilation pipelines can be improved.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the utility model, such that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a buffering formula tunnel ventilation pipe which characterized in that includes:

the air pipe fixing device comprises a hard shell (1), a buffer device (2), an air pipe fixing device (3) and a soft air pipe (4), wherein the soft air pipe (4) is attached to the hard shell (1), and the air pipe fixing devices (3) are arranged on two sides of the hard shell (1) in pairs and used for fixing the soft air pipe (4);

the buffer device (2) comprises a buffer bag (22), wherein a cavity is arranged in the buffer bag (22) and used for providing buffer and sealing for the front and the rear hard shells (1).

2. A buffered tunnel ventilation duct according to claim 1, characterized in that the buffering means (2) comprises a connecting ring (21) and a fixing ring (23), the fixing ring (23) is fixedly mounted at both ends of the hard outer shell (1) for fixing the buffering bag (22), and the connecting ring (21) is fixedly mounted at the outer side of the buffering bag (22) for connecting different hard outer shells (1).

3. A buffered tunnel ventilation duct according to claim 2, characterized in that the connection rings (21) comprise threaded holes (211), the connection rings (21) on different hard shells (1) fitting together, the threaded holes (211) being aligned for bolting two of the connection rings (21).

4. A buffered tunnel ventilation duct according to any of claims 1 to 3, characterized in that the hard casing (1) comprises lifting rings (11), and the lifting rings (11) are fixedly mounted on both sides of the hard casing (1) for lifting the hard casing (1).

5. A buffered tunnel ventilation duct according to any of claims 1 to 3, characterized in that the air duct fixing device (3) comprises locking blocks (31), latches (32) and fixing straps (33), the locking blocks (31) are fixedly mounted on both sides of the hard casing (1) and provided with slots, the latches (32) are arranged at both ends of the fixing straps (33), and the latches (32) are fixed by passing through the slots for fixing both ends of the fixing straps (33).

Images