JP2555989Y2 - Fire door for magnetic levitation transport system - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a fire door of a magnetic levitation transfer system.

[0002]

2. Description of the Related Art In a system in which a track that penetrates an opening provided in a wall partitioning an adjacent room is provided, and a magnetic levitation traveling body travels along the track, in order to prevent a fire from spreading when a fire occurs, each opening is provided. A fire door is provided.

FIG. 4 shows a conventional example.
3 is an opening provided in the wall 1. The track 4 is provided through each of the openings 3, along which the magnetic levitation traveling body 5 travels.

The magnetic levitation traveling body 5 has a well-known structure, and any type of traveling by wheels or traveling by magnetic levitation may be used. Each opening 3 above
Is provided with a sliding fire door 6. For this reason, the track 4 is provided in each room 2 in order to retreat from the open / close path of the fire door 6.
Each track is divided, and adjacent tracks 4 are connected by a movable track 7.

[0005] As shown in FIG. 4, the movable track 7 is supported so as to rotate around a pin 9, and is opened by a fire door 6.
Is closed by the driving means, the movable track 7 is retracted as shown on the right side of FIG.

[0006]

As described above, in the magnetic levitation transfer system having the conventional fire door 6, the orbit 4 must be divided for each room 2 and the movable orbit 7 must be provided. Evacuation drive and fire door 6
Both of the driving devices for opening and closing the device are required.

[0007] In order to stabilize the traveling of the magnetic levitation traveling body 5, the seam, the step and the track 4, between the track 4 and the movable track 7,
7 is required with high precision. For this reason, the driving device becomes expensive, and a displacement occurs due to a temporal change of the movable portion. In addition, there has been a problem that the reliability of the device is reduced due to the complexity of the device. An object of the present invention is to provide a fire door capable of closing an opening with a fire door without dividing a track.

[0008]

In order to solve the above-mentioned problems, the present invention provides a magnetic levitation in which an opening is provided in a wall partitioning an adjacent room, and a magnetic levitation traveling body travels along a track passing through the opening. In the transport system, a plurality of fire doors are provided that move back and forth from the periphery of the opening toward the center of the opening, and the opposing sides of the fire doors seal a seal around the track when the track is sandwiched. When the track has a hollow part, the hollow part of the track of the fire door opening / closing part is sealed with a flame-retardant airtight material.

[0009]

The present invention has the above-mentioned structure, and in normal times, the fire door is located on both sides of the opening or at the upper and lower positions, and the opening is fully opened. Therefore, the magnetic levitation traveling body freely travels along a continuous track.

When the fire door is closed due to the occurrence of a fire, when the fire door at the open position is moved toward the center of the opening, the fire doors come into close contact with the track therebetween. At this time, the opposing edges of the two fire doors and the track contact portion are in close contact with the periphery of the track via the sealing material to close the opening.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In the embodiment shown in FIGS.
Is a wall that partitions each room 12, and 13 is an opening provided in the wall 1. The track 14 is provided through each of the openings 13, along which the magnetic levitation traveling body 15 travels.

Reference numeral 16 denotes a guide rail for fire doors provided above and below the opening 13, and reference numeral 17 denotes a pair of right fire doors which are slidably engaged with the guide rails 16 vertically. Opposite edges of the two fire doors 17 are provided with recessed track contact portions 20 which are adapted to both sides and up and down of the track 14, and a fire-resistant sealing material 21 is formed along the opposed edges and the contact portions 20.
Install.

A seal member 22 is attached also around the opening 13 so as to be in close contact with the closed fire door 17. A drive means for each of the fire doors 17 automatically opens and closes by a known mechanism such as a motor and a rack and pinion mechanism,
A means for manually opening and closing with a handle in preparation for a power failure shall be provided.

When the track 14 is hollow, a flame-retardant airtight material 23 is filled at appropriate intervals, especially at the wall 11, so that the flame does not spread from between the tracks 14. In the above embodiment, the right and left fire doors 17 are paired, and the track contact portions 20 having the same shape are provided on the edges facing each other. It is good also as a shape.

The fire doors 17 may be opened and closed up and down, or three or more fire doors 17 may be moved from the periphery of the opening 13 toward the center of the opening 13. Explaining the operation of the above embodiment, the fire door 17 is normally located on both sides of the opening 13 as shown in FIG.

Accordingly, the magnetic levitation traveling body 15 freely travels along the continuous track 14. When the fire door 17 is closed due to the occurrence of a fire, the fire door 17 at the open position is moved toward the center of the opening 13 so that the two fire doors 17 are in close contact with the track 14 therebetween.

At this time, the opposing edges of both fire doors and the track contact portion 20 are in close contact with the periphery of the track via the sealing material 21 to close the opening 13.

[0018]

[Effect] In this invention, since it is not necessary to divide a track only by providing a concave track contact portion on a fire door, there are various inconveniences caused by providing a movable track at a section of the track, that is, a complicated structure. Inconveniences such as a decrease in reliability and unstable driving due to the vehicle are all eliminated.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional side view of an embodiment.

FIG. 2 is an enlarged perspective view of a main part of the same.

FIG. 3 is an enlarged front view of the same orbit.

FIG. 4 is a longitudinal sectional side view showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Wall 12 Room 13 Opening 14 Orbit 15 Magnetically levitated traveling body 17 Fire door 21 Sealing material 23 Flame-resistant airtight material

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code Agency reference number FI Technical display location E06B 5/16 E06B 5/16

Claims (2)

(57) [Scope of request for utility model registration] 1. An opening is provided in a wall separating adjacent rooms,
In a magnetic levitation transport system that causes a magnetic levitation traveling body to travel along a track passing through the opening, a plurality of fire doors are provided that advance and retreat from the periphery of the opening toward the center of the opening, and the fire doors face each other. A fire-fighting door for a magnetic levitation transport system, characterized in that the side has a shape in which the opening is tightly sealed around the track with a sealing material interposed therebetween when the track is sandwiched. 2. The fire door according to claim 1, wherein when the track has a hollow portion, the hollow portion of the track of the fire door opening / closing portion is sealed with a flame-retardant airtight material. .