JPH08111112A - Hanging tool apparatus - Google Patents

Abstract

PURPOSE: To absorb and lower the swinging of a hung object, e.g. a chandelier, etc., due to vibrations of a building without using motive power and to prevent damages and accidents of the hung object and articles in the surroundings. CONSTITUTION: A hanging tool apparatus is composed of a movable supporting point 1 to which an object matter M to be hung is attached and a guide rail 2 to guide and support the movable supporting point 1 in the way the movable supporting point 1 can move horizontally or the apparatus is composed of a movable guide member 11 to which an object matter M to be hung is attached and a fixed supporting point 12 to support the movable guide member 11 in the way the movable guide member 11 can move horizontally. In the case of a slight quake, the movable supporting point 1, etc., is kept at a constant position in the guide rail 2, etc., which moves together with a building and thus the object matter M to be hung does not move. In the case of a big quake, the movable supporting point 1, etc., moves due to horizontal force in the direction of the quake of a building and the vibration energy is lessened by the extent of the movement and the swinging of the object matter M to be hung is remarkably lessened.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hanging device used for hanging objects in lighting fixtures, construction work, factory production work and the like.

[0002]

2. Description of the Related Art Taking a chandelier of a lighting device as an example,
It is generally hung and used, and it is mounted so that it can swing on the ceiling so that it does not shake due to earthquakes or general vibrations around the fulcrum and excessive force does not act on the fulcrum. .

[0003]

However, when vibration due to an earthquake or the like is severe, the chandelier or the like collides with the ceiling or the wall and is damaged, and further hits a person, thereby damaging property and life.

The present invention has been made to solve such a problem, and an object thereof is to absorb and reduce shaking of a suspended object due to vibration of a building without using power,
It is an object of the present invention to provide a lifting device that can prevent the object to be hung and the surroundings from being damaged or accidents.

[0005]

According to the present invention, when a suspended object is shaken by the vibration of a building, a small vibration is absorbed and a horizontal force generated in the suspended object is used for a large vibration. To move the object to be suspended horizontally to reduce the shake of the object to be suspended. In the first invention, as shown in FIG. 1A, a movable fulcrum 1 to which the object to be suspended M is attached, A guide rail 2 for guiding and supporting the movable fulcrum 1 so as to be horizontally movable.
It is characterized by having.

When it is sufficient to cope with vibration in only one direction of the building, both ends of the guide rail 2 are attached and fixed to the ceiling or the like of the building through the columns 3 and the like.

In order to cope with vibrations in all directions, both ends of the guide rail 2 are fixedly attached to a rotating disk rotatably provided on the ceiling or the like, and the movable fulcrum 1 moves in the vibration direction of the building. Make it turn automatically. Alternatively,
At both ends of the guide rail 2, there is a second
Movable fulcrums and guide rails are provided, and both ends of the first guide rail 2 are attached and fixed to the second movable fulcrums, respectively.
Also, it is allowed to move horizontally in the combined movement direction of the second movable fulcrums (see FIG. 3).

In any case, it is preferable that the guide rail has an arcuate shape (thin arcuate shape) that is convex downward with a small curvature.

In the second aspect of the invention, as shown in FIG. 1B, the movable guide member 11 to which the object M to be suspended is attached.
And a fixed fulcrum 12 that supports the movable guide member 11 so as to be horizontally movable.

When it is only necessary to respond to vibrations in one direction of the building, the movable guide member 11 is the guide rail 11A of the linear guide, and the fixed fulcrum 12 is the slider 12A of the linear guide (see FIG. 1 (b)). ).

In order to cope with vibrations in all directions, a fixed slider 12A for supporting the movable guide rail 11A is attached and fixed to a rotating disk rotatably provided on a horizontal beam member or the like, or is attached to the movable guide rail 11A. Second guide rails orthogonal to each other are provided, and the fixed slider 12A is attached to the fixed second guide rail so as to be horizontally movable. Further, as shown in FIG. 4, the movable guide member 11 is a movable guide disk 11B, and the fixed fulcrum 12 is a ball 12B rotatably supported.

In this case, the guide rail and the lower surface of the movable guide disk have an arcuate shape with a small curvature and an upward convex shape, respectively.
Let it be a partial sphere.

[0013]

In the above structure, when the building vibrates due to an earthquake or general vibration, the suspended object M moves horizontally relative to the building (see FIG. 2).

(I) In case of slight vibration In the vibration within the movable range A of the lifting device, the building, that is, the guide rail 2 (or the fixed fulcrum 12) moves horizontally with respect to the movable fulcrum 1 (or the movable guide member 11). However, the amount of movement of the building is absorbed by this, and the suspended object M does not move.

(Ii) When the building moves to the right in FIG. 2 due to vibration exceeding the movable range A of the lifting device, the suspended object M
・ After the movable fulcrum 1 relatively moves to the left end side, it largely swings to the left as in, and then starts to swing in the opposite direction as in. At this time, if the fulcrum does not move as before,
The suspended object M swings to _-2 .

On the other hand, according to the present invention, since the suspended object M can be moved horizontally by the movable fulcrum 1 or the movable guide member 11, the horizontal force acting on the suspended object M on the way from the direction to the building moving direction. Move horizontally,
It becomes _-1 . The _-1 height position of the suspended object M is lowered by the amount of the fulcrum is moved horizontally in a state _-2, shake angle theta _{1 -1} decreases from shake angle theta _{2 -2.} This allows
The vibration energy of the suspended object M is reduced. After that, this is repeated, and the suspended object M loses the vibration energy and the swing width is greatly reduced. Finally, since the guide rail 1 or the movable guide member 11 is a thin circular arc, it stops at the center.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to illustrated embodiments. FIG. 3 is an example of a biaxial linear guide type suspending device in which the suspending fulcrum moves in the X-axis and Y-axis directions, and FIG. 4 is an example of a disk-type suspending device in which the suspending fulcrum is fixed. .

In FIG. 3, the movable fulcrum 1 and the guide rail 2 are linear guides used for linear guide support. That is, the movable fulcrum 1 is a slider having a ball or roller used for a bearing built therein, and the guide rail 2 is an engaging rail with which the slider 1 is movably engaged. Further, the guide rail 2 has a thin circular arc shape having a small curvature (having a large radius of curvature) and being convex downward.

Three sets of such movable fulcrums 1 and guide rails 2 are used, the first movable fulcrums 1-x and the guide rails 2-x are arranged along the X-axis direction, and the second movable fulcrums 1 are provided. −
Two sets of y and guide rails 2-y are arranged in parallel along the Y-axis direction. A second guide rail is provided at both ends of the first guide rail 2-x.
The movable fulcrums 1-y are attached and fixed, respectively, and both ends of the pair of second guide rails 2-y are attached and fixed to the ceiling or the like of the building by the columns 3 which also serve as stoppers.

A mounting member 4 is attached to the lower part of the first movable fulcrum 1-x, and an object to be hung such as a chandelier is attached to the mounting member 4 via a hanging rod 5 or the like. A universal joint 6 is interposed between the mounting member 4 and the suspension rod 5 so that the suspended object can be swung in all directions.

In the above structure, the first movable fulcrum 1-x and the second movable fulcrum 1-y are respectively moved relative to the first guide rail 2-x and the second guide rail 2-y due to the vibration of the building. Can move relative to each other and respond to vibrations in all directions of the building. With respect to slight vibrations, the suspended object is moved by the movement of the first guide rail 2-x and the second guide rail 2-y with respect to the first movable fulcrum 1-x and the second movable fulcrum 1-y. There is nothing to do. For large vibration, the first movable fulcrum 1-x and the second movable fulcrum 1
-Y moves in the component direction of the vibration due to the horizontal force acting on it, and the vibration angle decreases by the amount of the movement, thereby reducing the vibration energy and greatly reducing the vibration of the suspended object.

Next, in FIG. 4, contrary to FIG. 3, the fulcrum is fixed, the guide member supported by the fulcrum is movable, and the object to be hung is attached to this movable guide member. Further, the movable guide member is the movable guide disk 11B, and the fixed fulcrum is the ball 12B so as to be able to cope with vibrations in all directions.

The lower surface of the movable guide disk 11B is a thin spherical surface having a small curvature and convex upward, and a stopper ring 13 for preventing deviation from the ball 12B is provided on the outer periphery so as to project downward. The ball 12B is rotatably attached to the ball holding member 14 and supports the movable guide plate 11B so as to be horizontally movable in all directions. The stopper ring 13 comes into contact with the ball holding member 14 to prevent deviation.

An object to be suspended is attached to such a movable guide disk 11B, and the ball holding member 14 is fixed to the ceiling or the like of the building. To mount the suspended object, four pillars 15 are vertically installed on the stopper ring 13 at intervals in the circumferential direction.
The mounting plate 16 is fixed to the lower end of the plate 5, and the hanging rod 18 of the object to be suspended is fixed to the mounting plate 16 via the nut 17.

The ball holding member 14 is the movable guide disk 1.
Horizontal beam member 19 arranged horizontally between 1A and the mounting plate 16
It is fixed to the upper surface of the central part of. The horizontal beam member 19 has a sufficient length that does not prevent the horizontal movement of the movable guide board 11A,
Both ends thereof are fixed to the ceiling or the like via the columns 20 or the like.

In the above structure, the movable guide disk 11B moves horizontally relative to the fixed ball 12B in response to the vibration of the building, and it is possible to cope with the vibration in all directions of the building. With respect to the slight vibration, the object to be hung does not move because the ball 12B moves with respect to the movable guide disk 11B. With respect to a large vibration, the movable guide disk 11B horizontally moves with respect to the ball 12B due to the horizontal force acting on the movable guide disk 11B, and the vibration energy is reduced by the amount of the moving energy, so that the shake of the suspended object is greatly reduced.

[0027]

As described above, according to the present invention, the object to be hung such as a chandelier is supported by the movable fulcrum and the guide rail, or the movable guide member and the fixed fulcrum so as to be horizontally movable. In addition, it is possible to absorb and reduce the vibration of the suspended object due to the vibration of the building, and prevent damage to the expensive suspended object and its surroundings and accidents.

[Brief description of drawings]

1A and 1B are front views showing an example of a hanging device according to the present invention.

FIG. 2 is a schematic front view showing an operating state of the lifting device of FIG. 1 (a).

3A and 3B show a biaxial linear guide type lifting device according to the present invention, wherein FIG. 3A is a plan view, FIG. 3B is a front view, and FIG. 3C is a side view.

FIG. 4 shows a disk-type lifting device according to the present invention,
(A) is a plan view, (b) is a front view, and (c) is a side view.

[Explanation of symbols]

 M ... Suspended object 1 ... Movable fulcrum (slider) 2 ... Guide rail 3 ... Strut 4 ... Mounting member 5 ... Suspension rod 6 ... Universal joint 11 ... Movable guide member 11A ... Movable guide rail 11B ... Movable guide disk 12 ... Fixed fulcrum 12A ... Fixed slider 12B ... Ball 13 ... Stopper ring 14 ... Ball holding member 15 ... Strut 16 ... Mounting plate 17 ... Nut 18 ... Suspension rod 19 ... Horizontal beam member 20 ... Strut

Claims (2)

[Claims] 1. A lifting device for suspending and supporting a suspended object, comprising a movable fulcrum to which the suspended object is attached, and a guide rail for guiding and supporting the movable fulcrum so as to be horizontally movable. And hanging equipment. 2. A suspending device for suspending and supporting a suspended object, comprising a movable guide member to which the suspended object is attached,
A hanging device comprising: a fixed fulcrum that supports the movable guide member so as to be horizontally movable.