CN219012699U - Rotatable tunnel sound absorption emergency exit - Google Patents

Abstract

The utility model discloses a rotatable tunnel sound absorption safety door, which is characterized by comprising the following components: a door frame; the middle part of the door plate is rotatably arranged in the door frame through a rotating shaft; the front side surface of the door plate is provided with a plurality of sound absorbing devices which are distributed side by side; the sound absorbing device is in an arc shape with a convex surface facing forward, a plurality of air holes are formed in the sound absorbing device at intervals, and a filter device is arranged in each air hole. When the safety door is installed, the convex surface faces the construction direction, and the sound absorbing device is provided with the air holes provided with the filtering device, so that dust and harmful gas can be filtered; the convex structure can enlarge the sound absorption area, strengthen the structural strength, effectively avoid flying stones and the like to splash, and improve the impact resistance and the sound absorption and noise reduction effects.

Description

Rotatable tunnel sound absorption emergency exit

Technical Field

The utility model relates to the technical field of tunnel safety construction auxiliary equipment, in particular to a rotatable tunnel sound absorption safety door.

Background

When a tunnel is constructed, huge noise is often generated, so that operators in the tunnel are very inconvenient to communicate. When in blasting construction, operators must reach the safety range, but even if some blasting flying stones are still avoided in the safety range, some existing technologies cannot play a good role in protecting measures, and only one iron door or wooden door is placed in some facilities to resist the impact caused by tunnel blasting. And the noise reduction effect of the iron door or the wooden door is not obvious, so that the communication of operators is easily affected. Therefore, in order to overcome the above technical problems of the iron door or the wooden door, a tunnel noise reduction safety door has appeared. For example, publication number CN107725107a, the utility model creates a patent application named as a noise reduction safety door for tunnels, and by arranging a convex arc structure, a concave buffer area, an exhaust gap, a filter screen and other structures on the safety door, the impact force generated during tunnel blasting can be improved, so that flying stones and other splashes can be effectively avoided, and noise pollution can be reduced. However, when the safety door is of a fixed structure and a worker needs to pass through the safety door, the safety door needs to be repeatedly moved away, reset and other operations, and the opening mode is complicated.

Disclosure of Invention

The utility model aims to provide a rotatable tunnel sound absorption safety door, so that the defects that the conventional iron door or wooden door cannot resist the impact caused by tunnel blasting and the noise reduction effect is not obvious are overcome.

To achieve the above object, the present utility model provides a rotatable tunnel sound absorption safety door, comprising: a door frame; the middle part of the door plate is rotatably arranged in the door frame through a rotating shaft; the front side surface of the door plate is provided with a plurality of sound absorbing devices which are distributed side by side; the sound absorbing device is in an arc shape with a convex surface facing forward, a plurality of air holes are formed in the sound absorbing device at intervals, and a filter device is arranged in each air hole.

Preferably, in the above technical solution, the sound absorbing devices are in a strip shape, and the sound absorbing devices are distributed side by side along the up-down direction; the sound absorbing device is provided with a plurality of ventilation holes which are distributed at intervals along the left-right direction, and the sound absorbing device is in an arc shape with thin left-right ends and thick middle.

Preferably, in the above technical solution, the door panel is provided with two rows of sound absorbing devices.

Preferably, in the above technical solution, the door frame and each of the sound absorbing devices are made of flexible nylon fiber materials.

Preferably, in the above technical solution, each sound absorbing device is filled with a sound absorbing material.

Preferably, in the above technical solution, the filtering device includes a filtering body and an anti-drop cap, the filtering body corresponds to the ventilation hole, and the filtering body is filled with a filtering material; the side face of the filter body is convexly provided with an anti-drop cap.

Preferably, in the above technical solution, the door frame further comprises a base, and the door frame is disposed on the base.

Preferably, in the above technical solution, the top surface of the base is provided with two positioners, and the two positioners are respectively located at the front side and the rear side of the rotating shaft.

Preferably, in the above technical solution, a universal wheel is provided on the bottom surface of the base.

Preferably, in the above technical scheme, a counterweight cavity is formed in the base, a filler port is formed in the top of the counterweight cavity, and a discharge port is formed in the bottom of the counterweight cavity.

Compared with the prior art, the utility model has the following beneficial effects:

1. the sound absorbing device of the door panel is in an arc shape with the convex surface facing forward, and when the sound absorbing device is installed, the convex surface faces towards the construction direction, and the air holes provided with the filtering device are formed in the sound absorbing device, so that dust and harmful gases can be filtered, the environment is prevented from being polluted, and the health of staff is ensured; the convex structure can enlarge the sound absorption area, strengthen the structural strength, effectively avoid flying stones and the like to splash, and improve the impact resistance and the sound absorption and noise reduction effects.

2. The bottom of the door frame is provided with the base, so that the door plate is convenient to install, and the universal wheels are arranged on the base, so that the safety door can be conveniently moved, and vehicle equipment can be conveniently moved in and out.

3. The weight balancing cavity is arranged in the base, the weight of the base is adjusted through the weight balancing cavity, the installation of the safety door is facilitated, the stability of the installation of the safety door is improved, and therefore the impact resistance of the safety door is improved.

Drawings

Fig. 1 is a schematic structural view of a rotatable tunnel sound absorption safety door according to the present utility model.

Fig. 2 is a left side schematic view of fig. 1 according to the present utility model.

Fig. 3 is a schematic top view of fig. 1 in accordance with the present utility model.

Fig. 4 is a schematic structural view of the sound absorbing device according to the present utility model.

Fig. 5 is a schematic view of the structure of the filtering apparatus according to the present utility model.

The main reference numerals illustrate:

the anti-drop cap comprises a 1-door frame, a 2-rotating shaft, a 3-bearing, a 4-positioner, a 5-sound absorbing device, 6-ventilation holes, 7-filtering bodies, 8-through holes, 9-filling openings, 10-discharge openings, 11-counterweight cavities, 12-bases, 13-universal wheels and 14-anti-drop caps.

Detailed Description

The following detailed description of embodiments of the utility model is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the utility model is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.

Fig. 1 to 5 show a schematic structural view of a rotatable tunnel sound absorption safety door according to a preferred embodiment of the present utility model, the safety door including a door frame 1, a door panel, and a sound absorption means 5. Referring to fig. 1 to 5, the middle part of the door panel is rotatably installed in the door frame 1 through the rotation shaft 2, and the safety door is opened and closed in a rotation manner, thereby facilitating the ingress and egress of workers. The front side of the door plate is provided with a plurality of sound absorbing devices 5 which are distributed side by side, and the sound absorbing devices 5 can absorb sound and reduce noise and can block blasting impact. The sound absorbing device 5 is in an arc shape with a convex surface facing forward, a plurality of air holes 6 are formed in the sound absorbing device 5 at intervals, and a filter device is arranged in each air hole 6 and used for filtering dust and harmful gas. When the dust-proof and sound-absorbing device is installed, the convex surface of the sound-absorbing device 5 faces the construction direction, and the air holes 6 provided with the filtering device are arranged on the sound-absorbing device 5, so that dust and harmful gas can be filtered; the convex structure can enlarge the sound absorbing surface, strengthen the structural strength, effectively avoid flying stones and the like from splashing, and improve the impact resistance and the sound absorbing and noise reducing effects.

Referring to fig. 1 to 4, the sound absorbing device 5 may have a rectangular or triangular shape or the like. Preferably, the sound absorbing devices 5 are in a bar shape, and the sound absorbing devices 5 are arranged side by side in the up-down direction, and the lengths of the sound absorbing devices 5 are arranged in the left-right direction, so that the sound absorbing devices 5 are conveniently installed. The sound absorbing device 5 is provided with a plurality of ventilation holes 6 which are distributed at intervals along the left-right direction, and the sound absorbing device 5 is in an arc shape with thin left-right ends and thick middle, so that the whole safety door is in a structure with thin middle and thick two ends, and the sound absorbing surface is enlarged.

Referring to fig. 1, the door panel may be provided with one or more rows of sound absorbing devices 5. Preferably, the door panel is provided with two rows of sound absorbing devices 5 on the left and right, so as to enlarge the sound absorbing area and the protection range.

Referring to fig. 1, preferably, the door frame 1 and each sound absorbing device 5 are made of flexible nylon fiber materials, and the flexible nylon fiber materials have a shock wave relieving effect, high impact resistance and good strength, are foldable, and are convenient to detach, install, store and transport.

Referring to fig. 1, in order to further improve the sound absorbing effect of the safety door, preferably, each sound absorbing device 5 is filled with a sound absorbing material, and the sound absorbing material may be porous sound absorbing materials such as porous foam sound absorbing cotton, so that noise can be effectively absorbed, and the sound insulation and noise reduction effect of the safety door can be enhanced.

Referring to fig. 5, it is preferable that the filtering apparatus includes a filtering body 7 and a drop-off prevention cap 14, the filtering body 7 corresponding to the airing holes 6 so that the filtering body 7 can be disposed in the airing holes 6 for filtering. The front side and the rear side of the filter body 7 are provided with a plurality of through holes 8, the filter body 7 is filled with a filter material, and the filter material can be a material for adsorbing pollutants such as dust and the like, can well filter harmful gases in a tunnel, avoid environmental pollution and ensure the health of staff; the side of the filter body 7 is convexly provided with an anti-drop cap 14 to prevent the filter body 7 from separating from the ventilation holes 6.

Referring to fig. 1 to 3, the safety door preferably further includes a base 12, and the door frame 1 is provided on the base 12 to facilitate installation of the safety door. The upper end of the rotating shaft 2 is rotatably connected with the upper part of the door frame 1 through a bearing 3, and the lower end of the rotating shaft 2 is rotatably connected with the base 12 through the bearing 3. It is further preferable that the top surface of the base 12 is provided with two positioners 4, and the two positioners 4 are respectively located at the front and rear sides of the rotation shaft 2, so that the rotation angle can be fixed in a range of less than 90 degrees when the safety door is rotated. The bottom surface of the base 12 is provided with universal wheels 13, which facilitate the movement of the safety door and thus the ingress and egress of vehicle equipment. A counterweight cavity 11 is formed in the base 12, a filler port 9 is formed in the top of the counterweight cavity 11, a discharge port 10 is formed in the bottom of the counterweight cavity 11, so that counterweight materials can be conveniently added and discharged, and the counterweight materials can be filled with sand or water and the like; filling is carried out on the construction site through the filling port 9, and the filling can be discharged through the discharging port 10 when not needed, so that the disassembly and the transportation are convenient. The weight of the base 12 is adjusted through the counterweight cavity 11, so that the installation of the safety door is facilitated, the stability of the installation of the safety door is improved, and the impact resistance of the safety door is improved.

The safety door can filter dust and harmful gas, enlarge the sound absorption area, strengthen the structural strength and improve the impact resistance and the sound absorption and noise reduction effects.

The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims (5)

1. A rotatable tunnel sound absorption security door comprising:

a door frame;

the middle part of the door plate is rotatably arranged in the door frame through a rotating shaft; and

the front side surface of the door plate is provided with a plurality of sound absorbing devices which are distributed side by side; the sound absorbing device is in an arc shape with a convex surface facing forward, a plurality of air holes are formed in the sound absorbing device at intervals, and a filter device is arranged in each air hole; the sound absorbing devices are in a strip shape and are distributed side by side along the up-down direction; the sound absorbing device is provided with a plurality of ventilation holes which are distributed at intervals along the left-right direction, and is in an arc shape with thin left-right ends and thick middle; the door plate is provided with a left sound absorbing device and a right sound absorbing device;

the safety door also comprises a base, and the door frame is arranged on the base; the top surface of the base is provided with two positioners which are respectively positioned at the front side and the rear side of the rotating shaft; the bottom surface of base is equipped with the universal wheel.

2. The rotatable tunnel sound absorbing safety door of claim 1 wherein the door frame and each sound absorbing means are comprised of a flexible nylon fiber material.

3. The rotatable tunnel sound absorbing safety door of claim 1 wherein each of the sound absorbing means is filled with sound absorbing material.

4. The rotatable tunnel sound absorption safety door of claim 1 wherein the filter means comprises a filter body and a drop-proof cap, the filter body corresponding to the vent, the filter body being filled with a filter material; the side face of the filter body is convexly provided with an anti-drop cap.

5. The rotatable tunnel sound absorption safety door according to claim 1, wherein a counterweight cavity is formed in the base, a filler port is formed in the top of the counterweight cavity, and a discharge port is formed in the bottom of the counterweight cavity.

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