JP2002087742A - Elevator device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevator device having a construction of arranging a hoist in a hoistway and a drive rope wheel with side surface thereof opposing to a hoistway side wall, and providing a vibration control easily. SOLUTION: A hoist 10 is arranged between a hoistway 1 wall surface and a car in a horizontal projection plane and a drive rope wheel 11 is arranged to oppose to the hoistway 1 wall surface. Vibration control bodies 13 are provided between an attachment body 8 fixed on a stationary body 6 of the hoistway 1 and the hoist 10 at an upper part and a lower part of an opposing surface to support the hoist 10 on the attachment body 8. A desired vibration control function of the hoist 10 is thereby easily provided. Also, a torque applied on the hoist 10 is supported by stiffness in horizontal direction of the vibration control bodies 13, and thereby, the hoist 10 can be mounted on the attachment body 8 without troubles. Noise and vibration in the building provided with the hoistway 1 during elevator operation are reduced to quieten an environment.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator apparatus in which a hoist is installed in a hoistway and a car is driven up and down via a main rope wound around the hoist.

[0002]

2. Description of the Related Art In a conventional elevator apparatus, a vibration isolator made of rubber is provided on a machine base installed in a machine room, and a hoisting machine is mounted on the vibration isolator. In general, a structure for supporting and preventing propagation of vibration and noise generated in the hoisting machine is used.

[0003]

The installation of the hoist in the conventional elevator apparatus having the above-mentioned structure requires the anti-vibration body provided with the required anti-vibration function for the hoist arranged in the following manner. There was a problem that it could not be obtained. That is, when the side surface of the drive sheave is arranged facing the hoistway wall surface of the elevator, and the hoist is installed between the hoistway wall surface and the car in the hoistway on the horizontal projection plane, the above-described configuration is used. Therefore, the arrangement of the vibration isolator cannot be applied, and the vibration isolating action becomes insufficient.

The present invention has been made to solve such a problem, and has a configuration in which a hoist is installed in a hoistway and a side surface of a drive sheave is arranged to face a wall surface of the hoistway. It is an object of the present invention to provide an elevator apparatus which can easily obtain a required vibration isolation function.

[0005]

In an elevator apparatus according to the present invention, a hoist disposed in a hoistway;
It is housed in the housing and constitutes the main part of the hoist, and the drive sheave arranged with the side face facing the hoistway wall surface, and mounted on the fixed body in the hoistway that is arranged corresponding to the housing position Mounting body, one side of which is supported by the mounting body and the other side is disposed at a position facing the outer peripheral surface of the rim of the drive sheave in the housing, and is provided at an upper portion and a lower portion of the housing, respectively, and acts upward on the drive sheave. And a vibration isolator compressed by a load.

Further, in the elevator apparatus according to the present invention, there are provided four vibration dampers provided at both upper and lower ends of the housing of the hoist.

Further, in the elevator apparatus according to the present invention, a mounting body which is constituted by a frame having a square shape and has vibration isolators mounted at four corners in the frame is provided.

Further, in the elevator apparatus according to the present invention, the mounting body is mounted on the upper part of the fixed body erected from the shock absorber table arranged on the bottom surface of the hoistway.

Further, in the elevator apparatus according to the present invention, a mounting body mounted on an upper part of a fixed body erected from the bottom of the hoistway is provided.

[0010] In the elevator apparatus according to the present invention, a mounting member is provided on a fixed body standing upright from the bottom of the hoistway and attached to the hoistway wall surface.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 1 to 3 show an example of an embodiment of the present invention. FIG. 1 is a cross-sectional plan view of a hoistway, FIG. 2 is a side view of arrow A side in FIG. 1, and FIG. 3 is a left side in FIG. FIG. In the figure, reference numeral 1 denotes a hoistway of an elevator, 2 denotes a car rail erected on the hoistway 1 at a distance from each other, 3 denotes a car arranged between the car rails 2, and 4 denotes a car separated from the hoistway 1 by each other It is a counterweight rail that stands upright.

Reference numeral 5 denotes a shock absorber stand, which is a rail 4 for a counterweight.
Are provided on the bottom surface of the hoistway 1 corresponding to the counterweights (not shown) arranged between them. 6 is a shock absorber stand 5
A fixed body consisting of two pillars erected from the upper side, the two pillars are connected to each other at the upper end by a mounting bracket 7 and fastened to the wall of the hoistway 1.

Reference numeral 8 denotes an attachment body which is fastened and connected to the upper end of the fixed body 6 and is constituted by a frame body in which a steel material is assembled in a rectangular shape, and support portions 9 are provided at both upper and lower ends. ing. Reference numeral 10 denotes a hoisting machine, which is housed in a housing and has a drive sheave 11 arranged on its side facing the front surface of the mounting body 8 and a supporting portion 9 of the mounting body 8 provided on the housing.
, And a mounting portion 12 disposed below the support portion 9 is formed.

Reference numeral 13 denotes a vibration isolator made of vibration isolating rubber interposed between the support portion 9 of the mounting body 8 and the mounting portion 12 of the hoisting machine 10, and reference numeral 14 denotes a main body wound around the drive sheave 11. Although not shown, one end is wrapped around a pulley pivotally attached to the top of the hoistway 1 and connected to the car 3, and the other end is wrapped around another pulley pivotally attached to the top of the hoistway 1. It is hung and connected to the counterweight.

In the elevator apparatus configured as described above, the hoist 10 is disposed between the hoistway 1 wall and the car 3 on the horizontal projection plane, and the side surface of the drive sheave 11 faces the hoistway 1 wall. Placed. The mounting portions 1 provided at the four corners of the surface of the hoisting machine 10 facing the mounting body 8.
The hoisting machine 10 is supported by the hoistway 1 via the mounting body 8 by the vibration isolator 13 disposed on the upper surface 2.

With such a configuration, the hoisting machine 10 is supported on the hoistway 1 by the vibration isolator 13 so that the hoisting machine 10 is isolated.
The anti-vibration body 13 is compressed by an upward load acting on the anti-vibration member to obtain an anti-vibration effect. The torque acting on the hoist 10 is supported by the horizontal rigidity of the vibration isolator 13.
Accordingly, the hoisting machine 10 is supported by the mounting body 8 without any trouble, and the required vibration damping action of the vibration isolator 13 relating to the hoisting machine 10 can be easily obtained. Thus, the hoistway 1
Noise during elevator operation in a building where
Vibration is reduced and the environment can be calmed.

In the embodiment shown in FIGS. 1 to 3,
Four vibration isolators 13 are provided at both upper and lower ends of the housing of the hoisting machine 10, respectively. For this reason, the vibration isolator 13 can be downsized, and the space required for installing the hoisting machine 10 can be reduced.
Therefore, the space required for forming the hoistway 1 is reduced, and the installation cost of the elevator device can be reduced.

In the embodiment shown in FIGS. 1 to 3,
The mounting body 8 is constituted by a frame having a square shape, and the vibration isolators 13 are provided at four corners of the mounting body 8 in the frame. For this reason, the load acting on the hoisting machine 10 can be supported by the mounting body 8 constituted by the minimum member. Therefore,
The space required for installing the hoisting machine 10 can be reduced, and the space required for forming the hoistway 1 is reduced, so that the installation cost of the elevator device can be reduced.

In the embodiment shown in FIGS. 1 to 3,
The mounting body 8 is mounted on the fixed body 6 standing from the shock absorber base 5. Further, the shock absorber base 5 is connected to the lower end of the counterweight rail 4 supporting the pulley on the counterweight side by the upper portion. For this reason, although the upward load acting on the hoisting machine 10 is transmitted to the shock absorber base 5, the main load 14 is provided on the counterweight rail 4 erected from the shock absorber base 5, and the main rope 14 is wound therearound. The load acting on the counterweight rail 4 via the pulley on the counterweight side offsets the upward load on the shock absorber base 5.

Therefore, the mounting body 8 can be installed without requiring a special member for supporting the mounting body 8 on the wall of the hoistway 1. Thereby, the mounting body 8 can be easily attached to the hoistway 1.
, And the manufacturing cost and installation cost of the mounting body 8 can be reduced.

In the embodiment shown in FIGS. 1 to 3,
A mounting member 7 is provided on the fixed body 6, and the fixed body 6 is fastened to the wall of the hoistway 1 via the mounting metal 7. Therefore, when lifting the equipment of the elevator apparatus by using the hoisting machine 10 as a winch for lifting during the installation work, the lifting load can be supported only by the mounting bracket 7. Therefore, the efficiency of the installation work can be improved and the installation cost can be reduced.

In the embodiment shown in FIGS.
A mounting member 7 is provided on the fixed body 6, and the fixed body 6 is fastened to the wall of the hoistway 1 via the mounting metal 7. For this reason, it is possible to prevent the fixed body 6 composed of two pillars from swaying, and to simplify the configuration of the fixed body 6 and reduce the manufacturing cost.

In the embodiment shown in FIGS. 1 to 3,
The mounting body 8 is connected to the fixed body 6 erected from the shock absorber base 5. With respect to such a configuration, the height of the fixed body 6 is manufactured at a height corresponding to the pit depth with respect to the difference in the pit depth of the hoistway 1 set according to the speed of the elevator. . Then, a fixed attachment body 8 prepared in advance
And the fixed body 6 corresponding to the pit depth are combined to install the hoisting machine 10. As a result, manufacturing costs can be reduced.

[0024]

As described above, the present invention constitutes a main part of a hoisting machine housed in a hoistway and a hoisting machine housed in a housing, and has a side surface facing a hoistway wall surface. A driving sheave arranged, a mounting body disposed corresponding to the housing position and mounted on a fixed body in the hoistway, and a rim outer periphery of the driving sheave on the one side supported by the mounting body and the other side in the housing And a vibration isolator provided at an upper portion and a lower portion of the housing and compressed by an upward load acting on the drive sheave.

Thus, the hoist is arranged between the hoistway wall and the car on the horizontal projection plane, and the drive sheave is arranged facing the hoistway wall. Then, the hoisting machine is supported by the fixed body of the hoistway by the vibration isolator provided at the upper part and the lower part on the surface facing the mounting body of the hoisting machine. Then, the vibration isolating function of the hoist by the vibration isolator is obtained, and the torque acting on the hoist is supported by the horizontal rigidity of the vibration isolator. Therefore, the hoist is supported by the mounting body without any trouble, and the required vibration isolating action by the vibration isolator can be easily obtained, so that noise and vibration during elevator operation in the building with the hoistway are reduced. It has the effect of calming the environment.

Further, as described above, the present invention is provided with four vibration isolators provided at both upper and lower ends of the housing of the hoisting machine.

As a result, the vibration isolator can be downsized, the space required for installing the hoist can be reduced, and the space required for forming the hoistway is reduced, thereby reducing the installation cost of the elevator device. There is.

Further, as described above, the present invention is configured by a frame having a square shape and provided with mounting members having vibration insulators mounted at four corners in the frame.

Thus, the load acting on the hoist can be supported by the mounting member constituted by the minimum members. Therefore, the space required for installation of the hoist can be reduced, and the space required for forming the hoistway is reduced, which has the effect of reducing the installation cost of the elevator device.

Further, as described above, the present invention is such that the mounting member is mounted on the upper portion of the fixed member which is erected from the shock absorber table disposed on the bottom surface of the hoistway.

Thus, although the upward load acting on the hoist is transmitted to the shock absorber table, the suspension provided on the counterweight rail erected from the shock absorber table and around which the main rope is wound. The upward load on the shock absorber stand is offset by the load acting on the counterweight rail via the pulley on the counterweight side. Therefore, the mounting body can be installed without requiring a special member for supporting the mounting body on the hoistway wall. For this reason, the mounting body can be easily installed on the hoistway, and there is an effect of reducing the manufacturing cost and the installation cost of the mounting body.

Further, in the elevator apparatus according to the present invention, a mounting body mounted on an upper part of a fixed body erected from the bottom of the hoistway is provided.

In this way, the height of the fixed body is manufactured in accordance with the pit depth with respect to the difference in the pit depth of the hoistway set according to the speed of the elevator. Then, by installing the hoisting machine by combining a fixed body with a fixed height prepared in advance and a fixed body with a height corresponding to the pit depth, it is possible to easily respond to the difference in hoistway pit depth This has the effect of reducing production costs.

Further, as described above, the present invention is provided with a mounting member which is provided on a fixed body erected from the bottom of the hoistway and is mounted on the wall surface of the hoistway.

Thus, when the hoist is used as a winch for lifting during the installation work and the equipment of the elevator apparatus is lifted, it is possible to cope with the lifting load only with the mounting bracket. Therefore, there is an effect that the efficiency of the installation work is improved and the installation cost is reduced.

[Brief description of the drawings]

FIG. 1 is a cross-sectional plan view of a hoistway showing Embodiment 1 of the present invention.

FIG. 2 is a side view on the arrow A side in FIG. 1;

FIG. 3 is a left side view of FIG. 2;

[Explanation of symbols]

1 hoistway, 5 shock absorber stand, 6 fixed body, 7 mounting bracket, 8 mounting body, 10 hoisting machine, 11 drive sheave, 13
Anti-vibration body.

Claims (6)

[Claims] 1. A hoisting machine arranged in a hoistway, and a drive sheave housed in a housing and constituting a main part of the hoisting machine, and a side surface of which is arranged to face the hoistway wall surface. A mounting body arranged corresponding to the housing position and mounted on a fixed body in the hoistway, and one side supported by the mounting body and the other side on the outer peripheral surface of the rim of the drive sheave in the housing. An elevator apparatus comprising: a vibration isolator disposed at an opposing position, provided at an upper portion and a lower portion of the housing, and compressed by an upward load acting on the drive sheave. 2. The elevator apparatus according to claim 1, wherein the vibration isolator comprises four members provided at both ends of an upper portion and a lower portion of the housing of the hoist. 3. The elevator apparatus according to claim 1, wherein the mounting body is formed by a square frame, and the vibration isolator is provided at each of four corners in the frame. 4. The elevator apparatus according to claim 1, wherein the mounting body is mounted on an upper part of a fixed body erected from a shock absorber base arranged on the bottom surface of the hoistway. 5. The elevator apparatus according to claim 1, wherein the mounting body is mounted on an upper part of a fixed body erected from the bottom of the hoistway. 6. The apparatus according to claim 1, further comprising a mounting member provided on a fixed body erected from the bottom of the hoistway and mounted on a wall surface of the hoistway. The elevator device according to any one of the above.