CN105484793A - Rapid plugging device for air-raid shelter roof - Google Patents

Abstract

The invention discloses a quick sealing device for the roof of a civil air defense project, which comprises left and right door leaves (11, 12) respectively hinged through door shafts and left and right frames (21, 22) of a door frame (2), and two door leaves (11, 12). 12) The sum of the widths is greater than the horizontal distance between the left and right frames (21, 22) of the door frame, and the left and right frames (21, 22) of the door frame (2) can be respectively fixed on opposite sides of the part to be blocked on the wall. The rapid sealing device for the roof of the civil air defense project of the present invention is convenient for storage, easy to operate, fast in peacetime and wartime conversion, and good in protection effect.

Description

Quick sealing device for roof of civil air defense project

technical field

The invention belongs to the technical field of civil air defense engineering components, in particular to a quick sealing device for the roof of civil air defense engineering which is convenient for storage, easy to operate, fast in peacetime and wartime conversion, and has good protection effect.

Background technique

Large-scale civil air defense projects, such as urban subways, need to take blocking measures before a war to achieve a transition from peacetime to wartime.

For the horizontal sealing of the roof of civil air defense projects, several methods such as I-shaped steel sealing, prefabricated concrete beam sealing or prefabricated cover plate sealing are mostly used at present.

The problems existing in the above-mentioned civil air defense engineering roof horizontal sealing method are:

1. The plugging material needs to be specially stored in normal times, which not only requires a special space, but is also easy to be lost and damaged;

2. The plugging operation is complicated, and the technical requirements for the operators are high, so the protection effect is difficult to guarantee;

3. The conversion time between peacetime and wartime is long.

Contents of the invention

The object of the present invention is to provide a quick sealing device for the roof of civil air defense engineering, which is convenient for storage, easy to operate, fast in peacetime and wartime, and has good protection effect.

The technical solution to realize the object of the present invention is: a quick sealing device for the roof of civil air defense engineering, which includes left and right door leaves respectively hinged to the left and right frames of the door frame through the door shaft, and the sum of the width of the two door leaves is greater than the left and right frames of the door frame The horizontal distance between them, the left and right frames of the door frame can be respectively fixed on the opposite side walls of the part to be blocked.

Compared with the prior art, the present invention has the remarkable advantages of:

1. Easy to save: usually installed in place, will not cause loss of components and preparation materials for battle;

2. Easy operation: only manpower is needed to close the door leaf in wartime, which is easy to operate, thus greatly saving the transition time between peacetime and wartime;

3. Good protective effect: when the double doors are closed, they support each other in a herringbone shape, and the force is reasonable, which enhances the protective effect.

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is a schematic structural view (blocking state in wartime) of the present invention's civil air defense project roof quick sealing device.

Fig. 2 is a structural schematic diagram (normal storage state) of the rapid sealing device for the roof of the civil air defense project of the present invention.

Fig. 3 is a schematic diagram of multi-block splicing according to the present invention.

Among the figure, 11,12 door leaves, 2 doorframes, 21,22,23,24 (not marked among 24 figures) frames, 3 support beams 41,42 fixtures.

detailed description

As shown in Figure 1, the rapid sealing device for the roof of the civil air defense project of the present invention comprises the left and right door leaves 11,12 respectively hinged with the left and right frames 21,22 of the door frame and the door frame 2, and the sum of the widths of the two door leaves 11,12 Greater than the horizontal distance between the left and right frames 21, 22 of the door frame, the left and right frames 21, 22 of the door frame 2 can be respectively fixed on the opposite side walls of the part to be blocked.

Since the sum of the widths of the two door leaves 11, 12 is greater than the horizontal distance between the left and right frames 21, 22 of the door frame, when the left and right door leaves 11, 12 are closed towards each other, the blocking surface protrudes upwards, and the two door leaves look like a person from a vertical section. The glyphs support each other and transmit the load to both sides, which changes the original design method of pure bending of civil air defense doors, makes the structural force more reasonable and improves the protection effect. After the two door leaves 11 and 12 were closed, waterproof treatment and soil covering could be done above the civil air defense door, thereby solving the problems of anti-shock wave load, anti-virus, and early nuclear radiation prevention in the civil air defense project.

The front and rear frames 23,24 of the door frame are in the shape of a herringbone on the vertical plane. fit.

The door frame adopts the herringbone-shaped steel door frame matched with the door leaf after it is closed. The door leaf thrust is transmitted from the steel door frame to the roof beam corbel.

The edges of the door leaves 11, 12 in contact with the left and right frames 21, 22 of the door frame are arc-shaped, and the left and right frames 21, 22 of the door frame 2 are all provided with arc-shaped edges for receiving the arc-shaped edges of the door leaves 11, 12. groove.

It also includes fixing devices 41, 42 that can be vertically pasted on the side walls of the parts to be blocked when the door leaves 11, 12 are opened. On the side wall of the blockage site.

Normally, the door leaves 11 and 12 are opened and placed vertically on the side wall of the part to be blocked, and the door leaves 11 and 12 are fixed by the fixing devices 41 and 42, and no additional storage space is required to store the door leaves as sealing materials, saving space , and not easy to lose and damage. During wartime, close door leaf 11,12 by manpower, when door leaf 11,12 closes, not in same plane, be the mutual support of herringbone. The arc-shaped grooves provided on the left and right frames 21, 22 of the door frame 2 can make the door leaves 11, 12 rotate freely between opening and closing, and at the same time facilitate the transmission of thrust.

Also comprise a support beam parallel to the left and right frames 21, 22 of the door frame 2, its two ends are detachably fixed on the other side walls 3 of the position to be blocked, and its upper edge is connected with the left and right door leaves 11, 12 The lower edge of the door seam contacts when closed.

In order to position each civil air defense door when it is closed, a detachable support beam 3 is installed at the top of the herringbone steel door frame in the middle of the skylight. The detachable support beam 3 is not installed at ordinary times, and is installed in the installation slots reserved at both ends during wartime , so as to facilitate the docking of the left and right air defense doors. The detachable support beam 3 only serves as a positioning support during installation, and does not consider the support for the door leaf during wartime. Under the action of wartime loads, the load is a one-way plate (rod) structure formed by herringbone double-leaf air defense doors support system.

The plugging device is the same as the width of the part to be plugged in the width direction, and can be spliced freely in integer multiples in length, as shown in FIG. 3 .

Claims (6)

1. a quick sealing device for the roof of civil air defense engineering, is characterized in that: comprise the left and right door leaves (11,12) hinged respectively by door shaft and door frame (2) left and right frame (21,22), two door leaves ( 11, 12) The sum of the widths is greater than the horizontal distance between the left and right frames (21, 22) of the door frame, and the left and right frames (21, 22) of the door frame (2) can be respectively fixed on the opposite sides of the parts to be blocked. on both side walls. 2. The quick blocking device according to claim 1, characterized in that: the front and rear frames (23, 24) of the door frame are herringbone-shaped on the vertical plane, when the left and right door leaves (11, 24) 12) When it is closed, its front and rear ends are respectively attached to the front and rear frames (23, 24) of the door frame. 3. The rapid sealing device according to claim 1 or 2, characterized in that: the edges of the door leaf (11, 12) in contact with the left and right frame (21, 22) of the door frame are arc-shaped, and the door frame (2) The left and right frames (21, 22) are all provided with arc-shaped slots for receiving the arc-shaped edges of the door leaves (11, 12). 4. The quick sealing device according to claim 1 or 2, characterized in that it also includes a fixing device (41) that can make the door leaf (11, 12) be vertically attached to the side wall of the site to be blocked when it is opened. , 42), the fixing device (4) is fixed on the side wall of the position to be blocked where the left and right frames (21, 22) are located. 5. The quick sealing device according to claim 3, characterized in that it also includes a fixing device (41, 42) that can make the door leaf (11, 12) be vertically attached to the side wall of the site to be blocked when the door leaf (11, 12) is opened. ), the fixing devices (41, 42) are fixed on the side walls of the parts to be blocked where the left and right frames (21, 22) are located. 6. The quick sealing device according to claim 2, characterized in that: it also includes a support beam parallel to the left and right frames (21, 22) of the door frame (2), the two ends of which are detachably fixed on the On the other side walls 3 of the blocking position, its upper edge contacts with the lower edge of the door gap when the left and right door leaves (11, 12) are closed.