JPH06171858A - Temporary fixing device for balance weight of elevator - Google Patents

Abstract

PURPOSE:To eliminate necessities of assembling a foothold for work in an ascent and descent passage and installing a winch in a machine room when a main rope is applied and connect a car and a balance weight by the main rope easily in a short period of time by devising so that the balance weight which is carried into the ascent and descent passage from above is held at the predetermined position. CONSTITUTION:A temporary fixing device of balance weight of elevator is provided with a holding tool (for example, a hoisting wire) 8 which can be mounted on a balance weight 5 and hangs the balance weight 5 in the upper section of an ascent and descent passage 1 and an engaging means (for example, a hoisting hook) 9 which engages the holding tool 8 in a machine room.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator fishing, which is used in an elevator installation process and is suitable for a main rope hanging work for connecting a car and a counterweight, which are carried into the hoistway from above, with a main rope. Related to temporary weight temporary fixing device.

[0002]

2. Description of the Related Art In order to improve workability and shorten the construction period when constructing an elevator, as described in JP-A-62-56280, various equipment such as a car, a counterweight, a machine room equipment, etc. A method is known in which a building is hoisted into a hoistway of a building by a crane or the like, carried in, and installed. In such an elevator installation process, the main rope hooking work for connecting the carriage and the counterweight carried into the hoistway with the main rope is performed by assembling the work scaffold from the lower part to the upper part of the hoistway. Or, a counterweight temporarily placed on the bottom of the hoistway was lifted up by a winch.

[0003]

However, in the prior art of assembling the work scaffold during the main rope hanging work, specifically, a single pipe as a scaffolding material for supporting the work floor is provided from a lower position in the hoistway. Since the complicated scaffold assembly work of assembling and fixing the work floor to the single pipe in the upper part of the hoistway must be performed, the working time becomes long and moreover, a considerable amount of single pipe must be prepared. There was a problem that it did not happen.

In the prior art of using a winch for hanging the main rope, one end of the main rope lowered from the machine room is connected to a counterweight temporarily placed on the bottom of the hoistway, and the counterweight is hoisted by a winch. However, in accordance with the movement, the other end of the main rope is lowered from the machine room to the car temporarily placed on the bottom of the hoistway and connected, but prior to these series of work, the winch is installed in the machine room. It was complicated to install.

Therefore, an object of the present invention is to solve the above-mentioned problems of the prior art, and it is not necessary to assemble a work scaffold in a hoistway or install a winch in a machine room at the time of main rope hanging work, and it is easy in a short time. It is an object of the present invention to provide an elevator counterbalance weight temporary fixing device capable of connecting a car and a counterweight with a main rope.

[0006]

DISCLOSURE OF THE INVENTION The above-mentioned object of the present invention can be mounted on a counterweight during the installation process of an elevator in which each equipment of the elevator is carried into the hoistway from above and the main rope hanging work is performed. This is achieved by providing a holder for suspending the counterweight above the hoistway and a locking means for locking the holder in the machine chamber.

[0007]

When the balance weight temporary fixing device having the above-mentioned components is used, the balance weight carried in by a crane or the like from above the hoistway is held at a predetermined position in the hoistway by the holder and the locking means. Therefore, if the other end of the main rope, one end of which is connected to the counterweight, is lowered below the hoistway via the hoist in the machine room,
It is possible to easily connect the riding basket temporarily placed on the bottom of the hoistway and the counterweight.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. Here, FIG. 1 is a perspective view of the counterweight temporary fixing device as an embodiment when it is used, FIG. 2 is a schematic cross-sectional view showing a state in which each device of the elevator is carried into the hoistway from above, and FIG. It is a top view showing a machine room floor.

In these figures, reference numeral 1 is an elevator hoistway, 2 is a beam for supporting the machine room floor, 3 is a closing plate for closing the opening of the machine room floor, and 4 is a beam 2 for the machine room floor. Machine beam pedestal fixed on top, 5 is a counterweight, 6
Is a guide rail for a counterweight that is erected in the hoistway 1,
7 is a main rope for connecting the counterweight 5 and the car 12. Reference numeral 8 is a suspension wire used as a holder for suspending the counterweight 5 above the hoistway 1, and 9 is fixed to the machine beam pedestal 4 to lock the suspension wire 8 and the main rope 7. The hanging wire 8 and the hanging hook 9 form a counterweight temporary fixing device. Further, reference numeral 10 is a carry-in port opened on the ceiling of the machine room, and 11 is a crane for hanging each device into the hoistway 1.

Next, an elevator installation procedure will be described.

First, as shown in FIG. 2, each equipment of the elevator is carried into the hoistway 1 from the carry-in entrance 10 on the ceiling of the machine room by using the crane 11. At this time, the counterweight 5 is attached to the hoistway 1 by the suspension wire 8 and the suspension hook 9.
The car 12 is held in a suspended state at the upper part of the inside thereof, the car 12 is temporarily placed at the bottom of the hoistway 1, and other devices are also temporarily fixed or temporarily placed at predetermined positions. That is, counterweight 5
When loading the hoistway 1 into the hoistway 1, the suspension wire 8 is detachably wound and attached beforehand, and one end of the main rope 7 is also connected.
If it is lifted up and moved to a predetermined position in the upper part of the hoistway 1, the hanging wire 8 is detachably locked to the hanging hook 9, and the main rope 7 can also be detached to the hanging hook 9 using a wire or the like. Lock it.

When the loading of each device arranged in the hoistway 1 is completed, the closing plate 3 of the machine room floor is placed on the crane 1
It is lifted by 1, placed on the beam 2, and fixed. After that,
In this embodiment, a machine room device (not shown) that has been integrally assembled in advance in a factory different from the installation site, that is, a machine that has been assembled by installing a hoisting machine and a control panel on the machine beam. The room equipment integrated product is lifted by the crane 11 and placed on the machine beam pedestal 4 and fixed. However, machine room equipment, hoisting machines, machine room equipment such as a control panel may be individually carried in and installed.

When the loading and partial installation of the elevator equipment are completed in this way, the other end of the main rope 7 connected to the counterweight 5 is wound around the sheave (not shown) of the hoist. By lowering the rope from the rope drop hole 13 on the side of the car 12 into the hoistway 1 and connecting it to the car 12 temporarily placed on the bottom of the hoistway 1, the counterweight 5 and the car 12 are connected. It can be connected by the main rope 7 via a hoist. As a result, the elevator can be operated, and for subsequent installation, the operator rides on the car 12 to perform centering adjustment of each device in the hoistway 1.

At the time when the work of loading each device by the crane 11 is completed, the loading port 10 on the ceiling of the machine room is lifted by the crane 11 and fitted and fixed by a closing member made of, for example, a precast concrete plate. , The lid is closed.

As described above, in this embodiment, the counterweight 5 carried in from above the hoistway 1 is temporarily fixed in a suspended state at a predetermined position in the upper part of the hoistway 1 by the hanging wire 8 and the hanging hook 9. Therefore, if the other end of the main rope 7 having one end connected to the counterweight 5 is lowered below the hoistway 1 via the hoist in the machine room, the car 1
The 2 and the counterweight 5 can be easily connected. In other words, it is not necessary to assemble a work scaffold in the hoistway 1 or install a winch in the machine room as in the conventional case, the rope hanging work can be performed in a short time, and the workability at the time of installation is significantly improved.

In the above-described embodiment, the suspension wire 8 and the suspension hook 9 for locking the main rope 7 are fixed to the machine beam pedestal 4 in the machine room.
As long as the main rope 7 and the main rope 7 can be detachably locked, a locking means such as a hanging hook 9 may be provided at another place in the machine room, and the hanging wire 8 and the main rope 7 can be locked separately. It may be locked by means.

[0017]

As described above, by suspending a holding tool such as a hanging wire attached to the counterweight in the machine room, the counterweight carried in from above is temporarily fixed to the upper part of the hoistway. According to the present invention made possible, since the other end of the main rope, one end of which is connected to the counterweight, can be wound around the hoist in the machine room and connected to the car at the bottom of the hoistway. It is not necessary to assemble a work scaffold in the hoistway or to install a winch in the machine room when hanging the main rope, and it is easy to connect the car and the counterweight with the main rope in a short time. As a result, the workability at the time of installing the elevator can be significantly improved as a result.

[Brief description of drawings]

FIG. 1 is a perspective view of a counterweight temporary fixing device as an example when the device is used.

FIG. 2 is a schematic cross-sectional view showing a state in which each device of the elevator is carried into the hoistway from above.

FIG. 3 is a plan view showing a machine room floor.

[Explanation of symbols]

 1 hoistway 2 beam 4 machine beam cradle 5 counterweight 7 main rope 8 suspension wire (holding tool) 9 suspension hook (locking means) 11 crane 12 car

Claims (1)

[Claims] 1. In the process of installing an elevator in which each equipment of the elevator is carried into the hoistway from above, and the car and the counterweight are connected by a main rope, the elevator can be mounted on the counterweight and can be mounted on the counterweight. Elevator counterbalance weight temporary fixing device comprising: a holder for suspending the combined weight above the hoistway; and a locking means for locking the holder in the machine room. .