JP2612258B2 - Elevator installation construction method - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an installation construction method suitable for an elevator used for a high-rise building.

(Prior art) In general, in elevator installation work for high-rise buildings, work in the hoistway is performed in accordance with the construction process of the building itself. For example, in the case of a 30-story building, first for the lower 10 floors, then Installation work such as guide rails in the hoistway, wiring, and entrance / exit devices for landings will be performed sequentially from the lower section, divided into the middle 11 to 20 floors and finally the upper 21 to 30 floors. Conventionally, a gondola was operated in the hoistway for work in the hoistway, and an operator got on the gondola to perform work in one hoistway. After the work in the hoistway was completed, the gondola was removed and a car was installed. Also, a piano wire was installed on the hoistway as a reference line for the installation position in the hoistway, and positioning of the entrance / exit device of the hall was performed.

(Problems to be Solved by the Invention) In the above prior art, in addition to the number of days required for installation work of guide rails in the hoistway, wiring, entrance / exit device of the hall, etc., extra time is required for installation and removal of the work gondola. It took days. Further, it was difficult to perform the positioning work of the entrance / exit device of the hall, etc., with the piano wire stretched as a reference line of the installation position in the hoistway, and much labor was required.

As a means of solving these problems, Japanese Patent Publication No. Sho 59-1
No. 2595 proposes a construction method, but in this construction method, work in the hoistway cannot be performed until the top floor of the building is assembled, so the elevator installation work must be completed according to the construction period of the building body Had the problem of being extremely difficult.

An object of the present invention is to provide an elevator installation construction method capable of efficiently performing installation work according to the construction period of a building main body without providing an extra elevating body such as a gondola.

(Means for Solving the Problems) An object of the present invention is to provide a first step of centering and installing a permanent hoist at an intermediate floor position of a hoistway, After fixing the guide rail, the car frame for final contact is assembled so that it can move up and down along this lower guide rail, and then the worker riding this car frame while raising the car frame A second portion for connecting a continuation portion of the guide rail to the intermediate floor position of the hoistway in order and connecting the car frame and the hanging weight previously incorporated in the guide rail to each other with a wire rope via the hoist. And the step of operating the car frame by the hoisting machine, and the worker riding on the car frame performs the operation of fixing the guide rail erected in the second step to the hoistway wall from the intermediate floor. Work in the hoistway below 3rd to do
And a fourth step of moving the hoisting machine to the upper floor position of the hoistway, re-centering and installing, and winding the wire rope connecting the car frame and the hanging weight. The fifth step to be replaced, and the hoist moved in the fourth step, the car frame is operated again, and an operator riding on the car frame is in the hoistway below the upper floor. The sixth step of performing the operation and the fourth to sixth steps are sequentially performed one or more times until the hoist is installed in the machine room above the hoistway, and then the car frame Is achieved by an elevator installation method comprising a seventh step of assembling the car.

(Operation) Since the elevator installation construction method of the present invention has such a configuration, it is implemented as follows. First, a hoist for permanent installation is set up at the middle floor position of the hoistway. Next, after the lower guide rail is fixed to the side wall of the hoistway, the car frame for permanent installation is assembled in a state in which it is possible to ascend and descend along the lower guide rail. The operator gets on the car frame for permanent installation, and raises the car frame to sequentially set up the continuation portion of the guide rail to the middle floor position of the hoistway. Further, the car frame and the hanging weight previously incorporated in the guide rail are connected to each other by a wire rope via the hoist. Next, the operator rides on the car frame, operates the car frame by the hoist, and performs various works in the hoistway including the work of fixing the already erected guide rail to the hoistway wall from the intermediate floor position. Perform in the lower area. Next, by moving the hoist to the upper floor position and then operating the car frame again, the operator gets on the car frame again and performs installation work in the hoistway below the upper floor position. be able to. In this way, since the hoistway is divided according to the height of the building for convenience of work,
As described above, the work in the hoistway and the movement of the hoist are sequentially repeated upward from below the hoistway, so that the hoist can be finally installed in the machine room at the upper part of the hoistway.

Accordingly, the elevator car frame and the hoist can be used for work, that is, there is no need to use a gondola or the like, so that efficient elevator installation work can be performed according to the construction period of the building body. Can be performed.

In addition, the vertical movement of the car frame is guided by the guide rails set up in the hoistway, and there is little lateral swing.Therefore, the positioning of the landing doorway device, wiring, etc., based on the positional relationship with the car frame, has been It can be done efficiently.

Example An example of the present invention will be described below with reference to the drawings. Second
The figure shows the main works of the elevator installation construction method according to this embodiment and the order thereof. FIG. 1 shows the hoistway under construction in which the work up to the tenth in FIG. 2 has been completed. FIG. First, in FIG. 1, 1 is a hoistway, 3 is an opening in the middle floor 2, and 4 is an opening in the machine room N floor above the hoistway 1. Next, this embodiment will be described sequentially according to the working order.

(1) In order to prevent an object from falling from the opening 3 of the intermediate floor 2 of the hoistway 1, a partition is provided in the opening 3 with an iron plate or a scaffold plate.

(2) A temporary machine room A is provided at the intermediate floor 2 of the hoistway 1, and a reference line for the installation position of the guide rails 8, 9 and the car frame 10, which will be installed later, is used for positioning the installation object. Scribble.

(3) The pedestal 5, the hoisting machine 6, the control panel 7 and the like are unloaded by a dedicated winch (not shown), and the pedestal 5, the centering machine and the like are sequentially aligned and then installed.

(4) A piano wire (not shown) serving as a reference for setting the guide rails 8 and 9 is stretched between the temporary machine room A and the bottom of the hoistway 1.

(5) The lower guide rails 8 and 9 are fixed to the side wall of the hoistway 1 while positioning with reference to the piano wire.

(6) The car frame 10 is assembled so as to engage with these lower guide rails 8 and be capable of ascending and descending along these lower rails 8, and likewise be hung on the other lower guide rails 9 and weighed 11.
Incorporate.

(7) While raising the car frame 10 by the special winch,
The operator who gets into the car frame 10 sequentially sets up the continuation portions of the guide rails 8 and 9 to the temporary machine room A, and then lowers the car frame 10 to the bottom of the hoistway 1.

(8) An operation panel (not shown) for work operation is provided on the car frame 10, and the operation panel and the control panel 7 are connected by an operation cable (not shown).

(9) The lifting weight 11 at the bottom of the hoistway 1 is lifted and held by the dedicated winch to the position shown in FIG. 1, while the wire rope 12 is hung on the hoist 6 and the hoist While operating 6, one end of the wire rope 12 is connected to the hanging weight 11, and the other end is connected to the car frame 10, respectively.

(10) While raising the car frame 10 by the hoisting machine 6, the operator who got on the car frame 10 moves the guide rails 8, 9 erected in the previous operation (7) to the previous (4). )) After performing positioning based on the stretched piano wire,
Fix to the side wall.

(11) Similarly, while operating the car frame 10, the car frame 10
The operator who has entered the parking lot positions and fixes the entrance / exit device of the landing with reference to the position of the car frame 10 guided by the guide rail 8.

(12) Similar to the operation of (11), other devices, wiring, piping, etc. in the hoistway 1 are attached. By the way,
In the work section below the temporary machine room A, a series of installation work was completed.

(13) Temporarily fix the car frame 10 and the hanging weight 11 with a chain block or the like.

(14) Remove the wire rope 12.

(15) Remove the control panel 7, the hoisting machine 6, the pedestal 5, the partition, etc., provided in the temporary machine room A, and discharge them to the upper floor by the dedicated winch.

As described above, a series of installation and moving operations have been completed in the work section below the temporary machine room A. Subsequently, in the work section above this, the above (1) to (4) and (7) to
Perform a series of operations in (15). Further, when the hoistway 1 is divided into more work sections according to the height of the building, a series of these operations are sequentially repeated up to the upper part of the hoistway 1. Then, as a final stage, after the hoisting machine 6 and the like are unloaded into the machine room N above the hoistway 1, also in the uppermost section of the hoistway 1, (1) to (4)
And (7) to (12), and (16) assemble the car by attaching the car ceiling and side plates based on the car frame 10, and suspending the weight 11 Add a weight equal to.

(17) Perform trial run and adjustment to complete this installation work.

In the construction method constructed in this way, extra lifting bodies such as gondola previously installed for work are not required, and as a result, the number of days required for installation and removal can be reduced, and the construction Since the installation work of the elevator can be advanced in accordance with the progress, the installation work of the elevator can be efficiently performed according to the construction period of the building body. In particular, when installing the guide rails, after fixing the lower guide rail to the side wall of the hoistway, incorporate the car frame for permanent installation into this lower guide rail, and raise the car frame to this car frame. Workers on the guide rails continually set up the continuation of the guide rails up to the middle floor position of the hoistway, so that the car frame for main construction can be used effectively from the initial stage of elevator installation work, In addition, the installation work of the guide rail can be performed safely on the car frame. Also, in the past, the positioning work was performed using a piano wire that also stretched the entrance / exit device of the hall, but in this embodiment, the position of the car frame 10 can be used as a reference, which is necessary for the conventional work. Effort can be reduced.

Note that the order of these operations may be slightly changed according to the status of the operation or the need. For example, the operation (12) can be performed collectively at the final stage.

Further, in this embodiment, the control panel 7 is installed in the hoistway 1, but may be provided at an appropriate position outside the hoistway 1.

(Effects of the Invention) According to the present invention, a gondola conventionally installed for work is not required, and as a result, the number of days required for installation and removal can be reduced, and the elevator can be installed in accordance with the progress of the construction of the building body. Since you can proceed with the installation work,
Elevator installation can be carried out efficiently in accordance with the construction period of the building body.

In the present invention, when performing the installation work of the guide rail, after fixing the lower guide rail to the side wall of the hoistway, the car frame for assembling is installed in the lower guide rail and the car frame is raised while the car frame is raised. The workers on the elevators are to erected the continuation of the guide rails up to the middle floor of the hoistway, so that the elevator car frame can be used effectively from the initial stage of elevator installation. And
The installation work of the guide rail can be done safely on the car frame.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part of a hoistway in a state where the tenth work in FIG. 2 has been completed. FIG. 2 is a diagram showing the main works of an elevator installation construction method according to one embodiment of the present invention and their order. 1 ... hoistway, 2 ... building floor, 6 ... hoisting machine, 8, 9 ...
… Guide rail, 10… Cage frame, 11… Hanging weight,
12 ... wire rope, N ... machine room.

Claims (1)

(57) [Claims] 1. A first step of centering and installing a permanent hoisting machine at an intermediate floor position of a hoistway, and fixing a lower guide rail to a side wall of the hoistway. The car frame for permanent construction is assembled so that it can be raised and lowered along the car frame, and then, while raising the car frame, the worker riding this car frame moves the continuation of the guide rail to the middle floor of the hoistway. A second step of sequentially connecting the car frame and the hanging weight previously incorporated in the guide rail to each other with a wire rope via the hoisting machine; and A third operator who operates and rides on the car frame performs an operation in the hoistway below the intermediate floor, including an operation of fixing the guide rail erected in the second step to the hoistway wall. And the hoisting machine The fourth step of moving to the floor position, re-centering and installing, the fifth step of rewinding the wire rope connecting the car frame and the hanging weight, and the fourth step A sixth step in which the car frame is operated again by the hoisting machine, and an operator riding on the car frame performs work in the hoistway below the upper floor; The sixth step is performed one or more times until the hoisting machine is installed in the machine room above the hoistway. The sixth step is to assemble a car based on the car frame. Elevator installation construction method.