JP2862063B2 - How to extend the lift of a construction elevator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention temporarily establishes a moving machine room near an upper end of a hoistway of a building under construction, and extends the moving machine room near an upper end of an extended hoistway by extending the hoistway as the building is being constructed. The present invention relates to a method of extending the lift of a moving construction elevator.

[0002]

BACKGROUND ART FIG. 3, for example, JP-A-4-243786
FIG. 1 is a view for explaining a conventional method of extending the lift of a construction elevator shown in Japanese Patent Application Publication No. JP-A-2006-115139, and is an elevational view conceptually showing a main part of an elevator hoistway. In the figure, (1) is a hoistway for elevators in a building under construction, (2) is a plurality of landings provided separately from each other on the hoistway (1), and (3) is near the upper end of the hoistway (1). (4) is a moving machine room temporarily supported by the supporting beam (3), and the hoisting machine (5) and the deflector wheel (6)
Although not shown, mechanical devices such as a governor are provided.

[0003] (7) a main rope wound around a hoisting machine (5) and a deflecting wheel (6) and hung on a hoistway (1), and (8) is suspended at one end of the main rope (7). The basket (9) is a counterweight suspended from the other end of the main rope (7). (10) hoistway (1) at the mobile landing chamber which is temporary close to the upper end of the landing (2), the control means of the control panel, etc.
(11) Other electrical equipment is provided.

[0004] In the conventional method of extending the elevating stroke of a construction elevator, with the above-described configuration, a moving machine room (3) is provided near a top end of a hoistway (1) of a building under construction via a supporting beam (3). Temporary construction of 4) and a landing corresponding to the mobile machinery room (4)
A moving landing room (10) is temporarily established in (2). Then, the hoisting machine (5) of the moving machine room (4) is controlled by the control means (11) of the moving hall (10), and the car (8) is driven and constructed via the main rope (7). The car (8) is operated on the floor of each landing (2) corresponding to the hoistway (1) and used as a construction elevator.

[0005] Next, depending on the construction progress of the building, the hoistway
When (1) is extended, the moving machine room (4) ascends near the upper end of this extended hoistway via a lifting crane (not shown), and the support beam (3) moves toward the upper end of the extended hoistway. Will be installed. And, while the moving machine room (4) is temporarily provided on the support beam (3), the moving hall room (10) is moved to the hall (2) corresponding to the moved moving machine room (4) and is temporarily provided, Further, the main rope (7) can be changed to a length corresponding to the extended hoistway (1). As a result, the car (8) is operated on the floor of each landing (2) corresponding to the hoistway (1) before extension and the hoistway (1) consisting of the extended hoistway, and is used as a construction elevator. It has become so.

The mechanical equipment such as the hoisting machine (5) of the mobile machinery room (4) and the electrical equipment such as the control means (11) of the mobile landing room (10) are constructed by installing temporary products. This product is often used in order to save the trouble of removing it at the end of construction when used for work . The machine械系equipment and electrical system equipment has a large outer shape, the hoist for increase weight (5) mechanical system device moving machine room, such as (4), electrical system devices such as the control unit (11) It is installed separately in the moving hall (10). by this,
The lifting work is being facilitated by a lifting crane. In addition, the mobile landing room (10) is provided with a waterproofing measure to protect the installed electric equipment.

[0007]

In the above-described conventional method of extending the lift of a construction elevator, if the hoistway (1) is extended due to the construction progress of the building, a lifting crane is used to move the hoistway near the upper end of the extended hoistway. The moving machine room (4) is moved. In addition, there is a problem that the upward movement of the moving landing room (10) involves a horizontal movement, which requires complicated work, and is restricted by the construction work schedule to secure the moving route. . In addition, the ascending movement of the mobile machinery room (4) rents a tower crane for construction work, and the mobile landing room (10)
Is carried out by renting a lifting lift for construction work. For this reason, the movement of the moving machine room (4) and the moving hall room (10) is carried out after carefully discussing the working process with the building construction side.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and the movement of mechanical and electric equipment to the upper end of the extended hoistway in accordance with the progress of construction of a building is difficult.
An object of the present invention is to obtain a method of extending the lift of a construction elevator that can be performed without horizontal movement.

[0009]

According to a first aspect of the present invention, there is provided a method for extending a lift of a construction elevator, comprising driving a car that moves up and down a hoistway formed in a building.
And at least a first connecting device for lifting is provided.
The that controls the first chamber and a hoist provided control means is configured to be freely separated from the first chamber is at least equipped with 1
Located above the chamber and separated from the first connector in the horizontal plane
Moving machine room, which is temporary close to the upper end of which is configured to movably building already hoistway through the second chamber consists hoistway second connecting device arranged lifting duty is provided Te is provided a building Due to the extension of the hoistway as a result of the construction progress, the first and second chambers are sequentially moved through the hoistway via the lifting crane toward the upper end of the hoistway .

[0010]

[Action] In the present invention of claim 1, wherein the above-described present invention, a second chamber hoist least instrumented first chamber and that controls the hoisting machine control means is at least equipped with, So
It is hung via each connecting tool and is sequentially moved upward without horizontal movement .

[0011]

[Embodiment 1] FIGS. 1 and 2 show one embodiment of the present invention .
FIG . 2 is an elevation view conceptually showing a main part of an elevator shaft , FIG.
Is a plan view of FIG. 1, FIGS. 1 and 3 of the other is the aforementioned FIG 2
It is configured similarly to. In the figure, (1) is the hoistway for the elevator in the building under construction, and (3) is the hoistway.
(1) Temporary support beam near the upper end, (4) Support beam (3)
A first machine room (12) in which a hoisting machine (5), a deflector wheel (6), and a mechanical device such as a governor (not shown) are provided. hoist (5) Do that control means from the control board for controlling (11) the other, the shown is omitted has been disposed above the first chamber and the electrical system equipment is provided (12) Two chambers (13) and other controls forming part of the control means (11)
A device (22) is provided and the second device (13) is disposed above the second chamber (13).
It is formed by three chambers (23) .

(17) is provided at the lower part of the first chamber (12) and is installed at one diagonal corner of the plane, and is provided at the second chamber (13).
And a first connecting member arranged corresponding to the recess formed in the third chamber (23), (18) is a lifting rope of a lifting crane (not shown), and (19) is a lower end of the lifting rope (18). It is a hanging tool connected to. (20) is a lifting rope connected to the suspending device (19), passing through the recesses formed in the second chamber (13) and the third chamber (23), and having a lower end engaged with the first connecting device (17). Then, it is connected to the connecting tool (17) by the wire clip (21).

The (24) is provided at the lower part of the second chamber (13) and is installed at a diagonal corner crossing the diagonal where the connector (17) is arranged in a plane, and is provided in the third chamber (23). A second connector, which is arranged corresponding to the formed concave portion, (25) is a third connector provided at the center of the upper surface of the third chamber (23).

In the method of extending the elevating stroke of the construction elevator having the above-described configuration, the first room (1) is supported via the support beam (3) near the upper end of the hoistway (1) constructed in the building under construction.
2) is provisionally established. And the second room (13) on the first room (12)
Are temporarily installed in a stacked state, and a third chamber (23) is temporarily installed in a stacked state on the second chamber (13), and the moving machine room (4)
Is provisionally established. Thereby, the moving machine room (4), the first room (12)
Of the second chamber (13) and the control means (1) of the third chamber (23).
The car (8) operates on the floor of each landing (2) corresponding to the hoistway (1) constructed by driving the car (8) via the main rope (7), controlled by the It has been used as a construction elevator.

Next, according to the construction progress of the building, the hoistway
When (1) is extended, the moving machine room (4) is raised near the upper end of this extended hoistway via a lifting crane (not shown), and the lift of the construction elevator is extended. The following operation is performed. That is, the main rope (7)
From the hoisting machine (5) etc., and then the lifting rope (20)
Through the recesses formed in the second chamber (13) and the third chamber (23),
The lower end is engaged with the first connector (17) so that the wire clip (2
Connect by 1).

In this state, the first crane is used by the lifting crane.
The room (12), the second room (13) and the third room (23) are moved together, that is, the moving machine room (4) is moved upward. Then, the support beam (3) is removed and installed near the upper end of the extended hoistway. Then, the moving machine room (4) is temporarily provided on the support beam (3), and the main rope (7) can be changed to a length corresponding to the extended hoistway (1). As a result, the car (8) is operated on the floor of each landing (2) corresponding to the hoistway (1) before extension and the hoistway (1) consisting of the extended hoistway, and is used as a construction elevator. You.

As described above, the moving machine room (4), that is, the first room (12) provided with mechanical devices, the second room (13) and the third room (23) provided with electric devices are provided. The lift of the construction elevator is extended without horizontal movement toward the upper end of the extension hoistway due to the construction progress of the building. Therefore,
The mobile machine room (4) can be moved upward by simple operations.
To control the construction schedule to secure the travel route
About the construction of the tower
Meeting with the building construction side to rent the project
Can be simplified, and the work to extend the lift of the construction elevator is easy.
Can be

In the embodiment shown in FIGS. 1 and 2 , when the lifting capacity of the lifting crane is small, the moving machine room (4) is separated according to the lifting capacity and separated from the upper part as described below. Can be moved to That is, for example, when dividing the moving machine room (4) into two, first, the first room (12) and the second room
The lifting rope (20) is connected to the second connecting member (24) of the second chamber (13) by separating the upper part from (13). Then, it is moved upward from the second chamber (13) above a predetermined position by a lifting crane and temporarily fixed. Next, the lifting rope (20) of the lifting crane is connected to the first connecting member (17) of the first chamber (12), and
(12) is moved to a predetermined upper position by a lifting crane and temporarily installed, and then placed on the first chamber (12) from the second chamber (13) .

When the lifting capacity of the lifting crane is further reduced, as in the case of the above-mentioned separated upward movement of the moving machine room (4), first, the upward movement of only the third room (23) is temporarily fixed. Then, only the second chamber (13) is temporarily moved upward and fixed, and only the first chamber (12) is moved to a predetermined upper position and temporarily fixed. And the first
By sequentially placing the second chamber (13) and the third chamber (23) on the chamber (12), the moving machine chamber (4) can be moved upward .

[0020]

[Effect of the Invention] The invention according to claim 1, wherein the present invention is as described above, the first hoisting machine you drive the car for lifting the elevator path formed in the building at least equipped with fried duty
The first chamber and that control means control the hoisting machine is configured to be freely separated from the first chamber is at least equipment connector is provided
And a second coupling for lifting is provided above the first chamber.
The moving machine room is constituted by the second room thus set . And
Due to the extension of the hoistway due to the construction progress of the building, the first room and the second room mutually
Suspended through respective connectors that are spaced apart from each other
It is sequentially moved to temporary upward without moving horizontally during the extended hoistway via a lifting duty crane Te.

[0021] Thus, the moving machine room can be moved upward by a simple operation, the work process such as securing a moving path can be simplified, and the lifting clay can be improved.
Above the moving machine room even when the lifting capacity of
It can be moved, and has the effect of facilitating the work of extending the lift of the construction elevator .

[Brief description of the drawings]

FIG. 1 is a view showing a first embodiment of the present invention, and is an elevation view conceptually showing a main part of an elevator hoistway.

FIG. 2 is a plan view of FIG. 1;

FIG. 3 illustrates a conventional method of extending the lift of a construction elevator.
Figure showing conceptually the main part of the elevator hoistway
Elevation.

[Explanation of symbols]

1 hoistway, 4 moving machine room, 5 hoisting machine, 8
Car, 11 control means, 12 first room, 13 second
Chamber, 14 Upper beam, 17 First connector, 20 Lifting rope, 24 Second connector, 26 Fitting part, 31 Support

Continuation of front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B66B 9/187 B66B 7/00

Claims (1)

(57) [Claims] 1. A first of hoist you drive the car for lifting the elevator path formed in the building are at least equipped with lifting duty
First chamber and system that controls the hoisting machine <br/> control means connector is provided is at least equipped with freely separated from the first chamber
And is disposed above the first chamber and is disposed in a horizontal plane.
And a second train for lifting, which is arranged away from the first connector.
A moving machine room which is composed of a second room provided with a tie and is configured to be movable in the hoistway and is temporarily provided near the upper end of the built hoistway, and an extension of the hoistway due to the progress of building the building. Near the upper end of the extended hoistway
And the second room is sequentially moved through the extended hoistway via a lifting crane to temporarily extend the lift of a construction elevator .