JP2952343B2 - Descending device from upper floor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a substance effective for evacuation or rescue from an upper floor in a disaster of a building, etc., and effective for lowering luggage or the like from a high place in a warehouse or the like. More specifically, the present invention relates to a descent device driven without power.

[0002]

2. Description of the Related Art In recent years, the height of buildings is rapidly increasing, but means for evacuation and rescue in the event of a disaster rely on emergency stairs, rescue bags, rescue curtains, and the like. Is the current situation. However, these means for evacuation and rescue have problems as described below.

[0003] First, when evacuation from the upper floor, the emergency stairs must go down a considerable number of stairs before descending to the ground, and as a result they become tired as they descend, so it is not possible to evacuate quickly. In the worst case, there is a possibility that the flight will be delayed. In addition, rescue bag and rescue curtain,
It is effective when descending from a relatively low floor, but the higher the floor, the greater the risk of injury when descending, which limits the height of the floor that can be used to some extent There is a problem.

In addition, there is a problem that none of the above-mentioned emergency stairs, rescue bags and rescue curtains are suitable for evacuation of injured persons and disabled persons.

[0005]

SUMMARY OF THE INVENTION The technical problem of the present invention is to enable safe and prompt evacuation and rescue of not only healthy persons but also disabled persons and injured persons in the event of a building disaster, etc. It is an object of the present invention to provide a simple and inexpensive descent device that can be used for lowering luggage and the like from a height in a warehouse or the like. Another technical object of the present invention is to provide a substantially powerless driving descent device which can stably descend at an appropriate speed by utilizing its own weight as power for descent.

[0006]

In order to solve the above-mentioned problems, a descending device from the upper floor of the present invention is provided with two parallel guide rails vertically along a wall of a building,
The descending platform that descends along the guide rail is provided with an engagement leg that slidably engages the guide rail and maintains the posture of the descending platform. A rotating shaft whose speed is regulated is provided, and a rotating member that rotates facing the wall surface is provided at the tip thereof, and around the rotating member, the rotating member is engaged with the upper surface of a descending guide disposed on the wall surface. The lowering guide, which is arranged on the wall surface, equally divides several engaging elements guided by the rotating member, and engages with the rotating shaft of the rotating member when the engaging element of the rotating member engages with the upper surface and rotates. A guide surface that gives a substantially constant speed in the direction of descent of the wall surface is provided, and the return is performed until each engagement element is disengaged from the guide surface of the descent guide and engages with the guide surface of the next descent guide. Avoid contact with other descent guides during the journey In which it characterized in that a retracting means fit.

[0007] The retreating means is suitably constituted by inclining the rotating shaft with respect to the wall surface of the building and separating the rotation path in the return stroke of the engaging element from the descending guide on the wall surface.

The descent device having the above structure is locked to prevent malfunction when not in use. However, when the descent device is unlocked by getting on a descent platform or placing a heavy object, the engaging member of the rotating member is released. It engages on the guide surface of the descending guide and slides on it, and with this sliding the descending platform descends, and at least before the engaging member comes off from the guide surface of the descending guide, the next engaging member is It engages on the guide surface of the lower descending guide. Then, by repeating these operations, the descent table can be lowered along the guide rail.

At this time, the rotation speed of the rotating shaft is regulated by a speed regulating device, and a guide surface is provided on the descending guide, and when the engaging element rotates by engaging with the upper surface of the descending guide. Is given a substantially constant speed in the descent direction, so that the descent device descends to the downstairs at an appropriate speed by using the own weight of the descent platform without power.

As a speed regulating device for regulating the rotational speed of the rotating member, an arbitrary mechanism for reducing the rotational speed of the rotating shaft by utilizing the frictional force of the friction member, the resistance of the liquid to the rotating body, or the like. It can be employed and, if necessary, can be provided with means for adjusting the degree of its deceleration, so that the platform can be decelerated so as not to descend at dangerous speeds.

In addition, each engaging element is disengaged from the guide surface of the descending guide by the retreating means during the return stroke until it engages with the guide surface of the next descending guide.
It does not interfere with other descent guides.

[0012]

1 and 2 show an embodiment of a descent device from the upper floor of a building according to the present invention. This descent device installs two parallel guide rails 2, 2 up and down along the wall surface W of the building, lowers the descent 4 along those guide rails 2, 2, and In a disaster or the like, evacuation and rescue of disabled persons and injured persons as well as healthy persons can be performed safely and promptly from the upper floors.

The descending platform 4 is provided with engaging legs 6 and 6 which slidably engage with the respective guide rails 2 and 2 to maintain the posture of the descending platform 4. These engaging legs 6,6
Is for simply sliding the guide rails 2, 2 while holding the guide rails 2, 2 to move the descent table 4 along the guide rails 2, 2. A brake device or the like may be provided between the engagement legs 6 and 6 and the guide rails 2 and 2 as needed.

A rotating shaft 10 whose rotation speed is regulated by a speed regulating device 8 is provided on the descent table 4, and the tip of the rotating shaft 10 rotates at a tip facing the wall surface W. A plurality of arm-shaped rotating members 12 are provided radially. These rotating members may be constituted by one disk. At the tip of each rotating member 12, there is provided an engaging element 16 which is sequentially engaged with the upper surfaces of a large number of descending guides 14 arranged vertically on the wall surface W and guided by the guides. These engaging elements 16
Is preferably constituted by a rotatable roller.
In addition, the speed regulating device 8 controls the rotation shaft 1 by frictional force.
Although the rotation speed of 0 is reduced to a speed suitable for the descent of the descent table 4, specifically, an arbitrary mechanism can be adopted.

The descending guides 14, 14 are arranged so that when the engaging member 16 of the rotating member 12 engages with the upper surface and rotates at a constant speed, the descending direction of the wall surface W with respect to the rotating shaft 10 of the rotating member 12 is substantially reduced. Guide surfaces 14a, 14a for providing a constant speed are provided. That is, one of the engaging elements 16 is
4, and the engaging member 16 slides down on the guide surface 14 a of the descending guide 14 by the action of the weight of the descending platform 4, but before the engaging member 16 comes off from the guide surface 14 a, The guide surface 14a engages with the guide surface 14a of the lower guide 14 so that the rotating shaft 10 always descends at a substantially constant speed in the descending direction of the wall surface W of the building. Is formed. The means for regulating the rotational speed of the rotating shaft 10 includes not only the speed regulating device 8 on the descending platform 4 as described above, but also the descending platform 4.
A speed regulating device for regulating the rotation speed of the rotating shaft 10 is provided on the uppermost floor, or the speed regulating device 8 is additionally provided to the speed regulating device 8 on the descending platform 4. It can also be set up.

Further, the lowering device is provided with each engaging element 16.
In the return stroke between the release guide 14 coming off the guide surface 14a of the descending guide 14 and engaging with the guide surface 14a of the next descending guide 14, a retracting means for avoiding contact with another descending guide 14 is provided. Is provided. This retracting means is configured by inclining the rotating shaft 10 with respect to the wall surface W of the building, and separating the rotation path in the return stroke of the engagement element 16 from the descending guide 14 of the wall surface W. The retracting means makes each rotating member 12 rotatable in a direction in which the rotating member 12 can be retracted from the descending guide 14 at an intermediate portion thereof, and controls the protruding and retracting of the tip of the rotating member 12 by a cam provided on the descending platform 4 side. Such a configuration can be adopted.

When not in use, the descent device from the upper floor of the above construction is appropriately disposed between the engaging legs 6, 6 and the guide rails 2, 2 or on the speed regulating device 8 to prevent malfunction on the upper floor. The lock is locked by a lock mechanism (not shown) provided. When the lock mechanism is unlocked by getting on the descent table 4 or placing a heavy object, the descent guide 14 is locked.
The engaging member 16 engaged on the guide surface 14a of the lower guide slides on the guide surface 14a of the descending guide 14, and
Before being disengaged from above, the next engaging element 16 engages on the guide surface 14a of the lowering guide 14 one below. By repeating these operations, the descent table 4 can be lowered along the guide rails 2.

At this time, the rotation speed of the rotating shaft 10 is regulated by the speed regulating device 8 and the descending guide 14
Of the descender guide 14
Is formed so as to give a substantially constant speed in the descending direction of the wall surface W to the rotating member 12 when rotating by engaging with the upper surface of the lower surface. You can go downstairs with.

In addition, each engaging element 16 is disengaged from the guide surface 14a of the descending guide 14 by the above-described retreating means during the return stroke until the engaging element 16 engages with the guide surface 14a of the next descending guide 14. Does not interfere with the descending guides 14 of the robot.

The above-mentioned descent device can prepare a plurality of descent tables on the top floor and lower them one by one. However, it can be returned to the upper floor each time the descent is performed by a separately installed lifting device. . Also, as shown in FIG. 3, a pair of the above-mentioned descending devices are installed in parallel on the wall surface of the building B, and the descending platform 4 in each of the descending devices is wound around a pulley 18 on a pulley on the top floor. The lowering platform 4 can be lifted up to the top floor with the rope 18 and returned using the own weight when the evacuees are put on one lowering platform 4 and descended.

According to the descending device from the upper floor having the above structure, it is possible to safely and quickly descend to the downstairs without power only by getting on the descending platform 4, so that it can be used in the event of a fire or other disaster. Is effective for prompt evacuation or rescue of not only healthy persons but also disabled persons and injured persons.

In particular, the lowering device does not require power for lowering unlike an elevator, and therefore can be operated even during a power failure, and can be manufactured with a simple structure and at low cost.

Further, it can be utilized for unloading luggage from a high place in a warehouse or the like.

[0024]

According to the descent device from the upper floor of the present invention described above in detail, the evacuation and rescue of not only healthy persons but also disabled persons and injured persons can be performed safely and promptly in the event of a building disaster or the like. And no power is required, so that the structure can be simple and inexpensive to manufacture. It can also be used to unload luggage and the like from high places in warehouses and the like.

[Brief description of the drawings]

FIG. 1 is a side view of one embodiment of the present invention.

FIG. 2 is a sectional view of a main part of the embodiment.

FIG. 3 is a perspective view illustrating a use mode of the descending device.

[Explanation of symbols]

 2 guide rail 4 descent table 6 engaging leg 8 speed regulating device 10 rotating shaft 12 rotating member 14 descent guide 14a guide surface 16 engaging element

Claims (2)

(57) [Claims] 1. Two parallel guide rails are set up and down along a wall of a building, and a descending platform descending along the guide rails is slidably engaged with the guide rails. An engaging leg for maintaining the attitude of the descending platform is provided. Further, a rotating shaft whose rotational speed is regulated by a speed regulating device is provided on the descending platform, and the tip of the rotating shaft rotates facing the wall surface. A member is provided, and several engaging elements engaged with and guided by the upper surfaces of the descending guides arranged vertically above and below the wall surface are equally arranged around the rotating member, and are arranged on the wall surface. The descent guide has a guide surface that gives a substantially constant speed in the descent direction of the wall surface with respect to the rotation axis of the rotation member when the engagement member of the rotation member engages with the upper surface and rotates at a constant speed, Each engaging element comes off from the guide surface of the descent guide and the next descent A descending device from an upper floor, comprising a retreating means for avoiding contact with another descending guide in a return stroke until the guide is engaged with the guide surface of the guide. 2. The retreating means of the descending device from the upper floor according to claim 1, wherein the rotating shaft is inclined with respect to the wall surface of the building, and the rotation path in the return stroke of the engaging element is moved from the descending guide on the wall surface. A descending device from an upper floor, which is separated from the upper floor.