JP4115823B2 - Elevator equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an elevator apparatus in which an update hoisting machine is installed in an existing hoistway in a work for repairing an existing elevator.
[0002]
[Prior art]
In the elevator apparatus, a machine room is provided above a hoistway formed in a building. Then, the hoisting machine is installed on a machine base installed in the machine room, and a main rope holding a lifting body such as a car is wound around a driving sheave of the hoisting machine. This constitutes an elevator with a machine room. Then, when the hoisting machine is energized, the lifting body is moved up and down via the main rope. In such an elevator with a machine room, the hoisting machine, the lifting body, the load in the lifting body, and the weight of the main rope are supported by the machine base.
[0003]
In some cases, the elevator with machine room described above may be upgraded to a so-called elevator without machine room in which a hoisting machine is installed in the hoistway. The upper machine is installed in the hoistway, and the support beam is arranged at the upper part in the hoistway to pivot the pulley. In addition, a guide rail for guiding the raising and lowering of the lifting body is erected on the hoistway, and the upper support beam is supported by the upper end of the guide rail. And the main rope which suspended the raising / lowering body which raises / lowers a hoistway is wound around the drive sheave of the pulley of a support beam, and an update hoisting machine. (For example, refer to Patent Document 1).
[0004]
[Patent Document 1]
JP 2002-80178 A (page 7, FIG. 1)
[0005]
[Problems to be solved by the invention]
In the elevator without a machine room, the upper end of the guide rail supports the support beam arranged at the upper part of the hoistway, and the load of the lifting body acting on the pulley pivotally attached to the support beam is supported by the guide rail. The For this reason, the strength of the existing guide rail of the existing elevator with a machine room is insufficient when renovation is performed to update the existing elevator with a machine room described above to an elevator without a machine room. For this reason, there is a problem that the existing guide rail cannot be diverted, and it is necessary to update the guide rail to a strong guide rail capable of supporting the support beam, which increases costs.
[0006]
The present invention has been made to solve such problems, and an object of the present invention is to provide an elevator apparatus that can easily modify an existing elevator with a machine room to an elevator without a machine room.
[0007]
[Means for Solving the Problems]
In elevator apparatus according to the present invention, and the existing machine table installed in existing machine room of the existing hoistway direction, through the floor of the existing machine room extends downwardly from the existing machine room, the lower end existing A vertical member arranged in the hoistway, an update hoist installed near the lower part of the vertical hoistway and an upper part in the existing hoistway, and provided at the lower end of the vertical member, horizontally from the vertical member Mounting arm overhanging, a sled wheel pivotally attached to the mounting arm and disposed adjacent to the driving sheave of the rewind hoist, a main rope wound around the driving sheave and the sled wheel, and a main rope A car and a counterweight that move up and down in opposite directions, and the weight of the car, the load in the car, the counterweight, the main rope, the rewinding hoist, the deflector, and the mounting arm It is supported by the existing machine base.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Embodiment 1 FIG.
1 to 5 are diagrams showing an example of an embodiment of the present invention. FIG. 1 is a longitudinal sectional view conceptually showing an upper part of a hoistway, FIG. 2 is a side view of FIG. 1, and FIG. FIG. 4 is a view showing a state where an inspection door is opened, FIG. 4 is a view showing a state where an article is placed on the box-like structure in FIG. 1, and FIG. 5 is a plan view of FIG. In the figure, an existing machine room 2 is provided above an existing hoistway 1 provided in a building, and an existing machine table 3 is provided on the floor of the existing machine room 2.
[0009]
And the support body 4 described below arrange | positioned in the hanging state from the existing machine room 2 in the existing hoistway 1 is provided. That is, the support 4 is a cross member 5 arranged in a bridged state on the existing machine bases 3 on both sides, the upper end is fastened to the cross member 5 and extends downward, penetrates the floor of the existing machine room 2 and the lower end side is A vertical member 6 disposed in the existing hoistway 1 and a mounting arm 7 having one side fastened to a lower end portion of the vertical member 6 and projecting in the horizontal direction.
[0010]
An update hoisting machine 8 is fastened near the lower part of the support body 4 and arranged at the upper part in the existing hoistway 1, and a baffle 10 is pivotally attached to the mounting arm 7 of the support body 4 to update the hoisting machine. It is arranged adjacent to the eight drive sheaves 9. The main rope 11 is wound around the driving sheave 9 and the deflector 10 of the rewind hoist 8, and an elevator car is connected to one end of the main rope 11, although not shown, and the other end is suspended. The weight is connected.
[0011]
A box-like structure 12 is erected from the floor of the existing machine room 2 so as to surround a side surface and an upper side of the existing machine base 3, and constitutes a placement space 13 for an article to be described later on the upper surface, An inspection port 14 is provided at the position corresponding to the updated hoisting machine. In addition, an inspection door 15 provided on the box-shaped structure 12 for opening and closing the inspection port 14 is provided, and a lock 16 for locking the inspection door 15 is provided. For example, an article 17 made of a locker is placed in the placement space 13 of the box-shaped structure 12.
[0012]
In the elevator apparatus configured as described above, when the updated hoisting machine 8 is energized, the driving sheave 9 rotates, and the car and the counterweight move up and down in opposite directions via the main rope 11. Then, when an existing elevator with a machine room (not shown) in which a hoisting machine (not shown) is installed in the existing machine room 2 above the existing hoistway 1 is repaired and updated to an elevator without a machine room, As described, the weight of the cage or the like is supported.
[0013]
That is, in the elevator without a machine room, the weight of the car, the load in the car, the counterweight, the main rope 11, the rewinding hoist 8, the deflector 10 and the support 4 are placed on the existing machine base via the support 4. 3 is supported. For this reason, the load by the weight of a cage | basket | car etc. does not act on the existing guide rail (not shown). Therefore, the existing guide rail can be diverted to save materials required for the renovation work, and the number of renovation work can be saved, so that the cost of the renovation work can be reduced.
[0014]
Further, a box-like structure 12 is provided in the existing machine room 2 so as to surround the side surface and the upper side of the existing machine base 3, and an inspection port 14 is provided at the position corresponding to the update hoisting machine on the upper surface of the box-like structure 12. An inspection door 15 is provided which opens and closes the inspection port 14. As a result, the rewind hoist 8 and the deflector 10 can be easily inspected from within the existing machine room 2, so that the maintenance work efficiency of the elevator can be improved.
[0015]
Moreover, since the placement space 13 for the article 17 is provided on the upper surface of the box-shaped structure 12, the existing machine room 2 can be effectively used as a trunk room or the like. For this reason, the existing machine room 2 can be used effectively and the use efficiency of the building can be improved along with the improvement of the asset value of the building by renovating the existing elevator with the machine room to the elevator without the machine room. .
[0016]
【The invention's effect】
As the invention has been described above, and the existing machine table installed in existing machine room of the existing hoistway direction, through the floor of the existing machine room extends downwardly from the existing machine room, the lower end existing A vertical member arranged in the hoistway, an update hoist installed near the lower part of the vertical hoistway and an upper part in the existing hoistway, and provided at the lower end of the vertical member, horizontally from the vertical member Mounting arm overhanging, a sled wheel pivotally attached to the mounting arm and disposed adjacent to the driving sheave of the rewind hoist, a main rope wound around the driving sheave and the sled wheel, and a main rope A car and a counterweight that move up and down in opposite directions, and the weight of the car, the load in the car, the counterweight, the main rope, the rewinding hoist, the deflector, and the mounting arm It is supported by the existing machine base .
[0017]
This, to repair the existing elevator machine room hoisting machine has been installed in the machine room of the existing hoistway side, if you update to the machine room without lift, vertical weight, such as the car and counterweight support It is supported by an existing machine stand installed in an existing machine room via a material . For this reason, the existing guide rail can be diverted to save the materials for the repair work, and the number of the repair work can be saved, thereby reducing the cost of the repair work .
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view conceptually showing an upper part of a hoistway, showing the first embodiment of the present invention.
FIG. 2 is a side view of FIG.
FIG. 3 is a view showing a state in which an inspection door is opened in FIG. 1;
4 is a diagram showing a state in which an article is placed on the box-like structure in FIG. 1. FIG.
FIG. 5 is a plan view of FIG. 4;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Existing hoistway, 2 Existing machine room, 3 Existing machine stand, 4 Support body, 8 Update hoisting machine, 9 Drive sheave, 11 Main rope, 12 Box-shaped structure, 13 Mounting space, 14 Inspection port, 15 Inspection door, 17 items.

Claims (1)

And the existing machine base, which is installed in the existing machine room of the existing hoistway side,
Extending downwardly from the existing machine room through the floor of the existing machine room, a longitudinal member lower end portion is disposed in the existing hoistway,
An updated hoisting machine provided near the lower part of the longitudinal member and disposed at the upper part in the existing hoistway ;
An attachment arm provided at a lower end portion of the vertical member and projecting horizontally from the vertical member;
A sled wheel pivotally attached to the mounting arm and disposed adjacent to the driving sheave of the renewal hoist,
A main rope wound around the drive sheave and the deflection sheave,
A car and a counterweight that go up and down in opposite directions via the main rope,
Equipped with a,
The weight of the car, the load in the car, the counterweight, the main rope, the rewind hoist, the deflector, and the mounting arm are supported by the existing machine base via the vertical member. Elevator device characterized by .

Images