JPH1135257A - Elevator remodeling work method - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To realize a construction method capable of shortening the continuous stoppage period in the removal and new construction work of an existing elevator. When an existing elevator is removed and newly installed, the first stage work of dividing the existing hall and newly installing the elevator, and the second stage of installing a car after replacing all the floors with the new one are divided into two stages. During the first work period, when the construction method that enables normal operation of the elevator is performed, the new and old engagement positions are different. The above construction method is made possible by providing a device that can be attached to and linked with the landing door locking device with a connecting member, actuate the door lock SW, and open and close the door. A landing door locking device 16 which is connected by a connecting member 15 to an under construction engagement element 14 attached to the new landing door 12
Consists of

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for partially remodeling an elevator, for example, an elevator remodeling work method for remodeling a landing door, a car door, a car, and the like.

[0002]

2. Description of the Related Art A landing door installed at an elevator landing is normally driven by a door opening / closing drive device provided on a car. The landing door is locked so that it always opens and closes in conjunction with the car door to ensure safety.

When retrofitting an existing elevator, there are a method of simply replacing the existing elevator with a new one having the same structure, and a method of replacing the existing elevator with a part having a new structure incorporating the latest technology. The former can operate immediately upon completion of the new installation, but has the disadvantage that it uses old and low-performance parts and is expensive to manufacture specially as a repair product.

[0004] In the latter case, parts incorporating the latest technology can be procured at a low cost.
There is a disadvantage that it does not work immediately if it is just partially installed.

Conventionally, as shown in JP-A-64-48793, an existing engaging element and a locking device are left attached at the time of new installation, the new engaging element is not operated, and the engagement with the car side is established. After the first phase of work and all floors have been replaced with new equipment, a new car door opening / closing device is installed, the new engagement element is operated, and the existing engagement element is disabled. , And a method of dividing the work into a second work in which the remodeling is completed. FIG. 11 is a diagram illustrating the above-mentioned conventional working method.

[0006] Japanese Patent Application Laid-Open No. 64-75392 discloses a method in which the landing engaging element is an existing product and the locking device is a temporary product in the first phase work.

[0007]

SUMMARY OF THE INVENTION Japanese Patent Application Laid-Open No. 64-4879
In the third technique, as shown in FIG. 9, both the existing and new engaging members, door locks, door lock SWs, and the like are attached to the new landing door, and the existing car in the first term and the new car in the second term are attached. Can be engaged.

However, when the existing product and the new product are close to each other, there is a risk that the respective car-side engaging devices and the landing-side engaging elements will interfere during the traveling of the elevator. For example, in the first operation, there is a risk that the existing car-side engaging device and the newly installed landing-side engaging element may interfere with each other.

In the technique disclosed in Japanese Patent Application Laid-Open No. 64-75392, it is necessary to add a mounting seat for an existing landing-side engaging element to a new landing door. In addition, it is necessary to use an existing old degraded engaging element, and it is necessary to replace both the engaging element and the locking device during the second phase work.

[0010] It is an object of the present invention to solve the above-mentioned problems and to make it possible to divide the new elevator installation work into first and second stages.

[0011]

In order to achieve the above object, an engaging device which engages with and operates an engaging device provided on an existing car is attached to a newly installed landing door, and a landing door attached to a hanger case is provided. The locking device is connected to the locking device with a connecting material, and the locking device is operated by operating the locking device of the landing door in conjunction with the operation of the engaging element attached to the new landing door.

[0012] During the first-stage work of replacing the landing, the above-mentioned device is attached to the newly-installed landing door, so that the landing door can be locked and the work can be divided and performed for each floor. After completing the construction of all floors, remove the engaging elements attached to each floor at the same time as installing the car in the second phase of work, and attach the engaging elements that engage the new car to each floor. This enables a work method in which remodeling work is performed without stopping the elevator continuously.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An elevator remodeling work method according to the present invention will be described with reference to the drawings.

First, an outline of an embodiment according to the present invention will be described with reference to FIG. The basic work process was divided into a first-stage operation and a second-stage operation, and normal operation was enabled between each operation and after the new landing door was installed for each floor in the first-stage operation. In the first phase of work, the landing doors on each floor are separated for each floor and are sequentially replaced with new landing doors, and an under-construction engagement element and a locking device that match the existing engagement position of the car are attached.

Next, in the second stage operation, a car is newly installed and the engagement position is set to the newly installed position. At the same time as the construction of the new car, the engaging element fitted to the existing engaging position attached to each floor during the first phase of work is removed, and the new landing-side engaging element is attached to each floor.

Next, one embodiment of the present invention will be described in detail with reference to FIGS.

FIG. 5 shows an engaging element 7 attached to the existing landing door 2, an existing locking hook rod 4, which constitutes a landing door side locking device, an existing door lock SW roller 5, an existing door lock SW6, and the like from the car side. FIG. 6 is a front view of FIG.
It is -A sectional drawing. The existing elevator is engaged when the car arrives at the landing and the existing car-side engaging device 8 provided in the existing car door 9 sandwiches the existing landing-side engaging element 7 shown in the figure. The door is locked by the existing door lock SW roller 5 operating the existing door lock SW 6 and the existing magnet cam 10.

The door rail 1 is fixed to an existing hanger case (not shown), and the existing landing door hanger 3 for suspending and supporting the existing landing door 2 moves along the door rail 1.

FIG. 7 is a front view of the engaging element of the new landing door 12 and the landing door locking device as viewed from the car side in the first stage operation of the existing landing as shown in FIG. The figure shows a door rail 11 fixed to a hanger case (not shown), a newly-installed landing door 12, a landing door hanger 13 guided by the door rail to suspend the landing door, and an engaging element 14 during construction.

The landing door locking device includes a movable cam 14a, a fixed cam 14b, a lever link 14c, a lever shaft 14d,
It is composed of a lever shaft 14e and a connecting member connecting bracket 14f, and is mounted on the landing door 12 by mounting bolts 14g.

When the elevator reaches the stop floor, the movable cam 14a and the fixed cam 14b are engaged and the movable cam 14a
a moves to the fixed lever 14b side by the link motion of the lever shaft 14d and the lever link 14c by the action of the engaging device (not shown) attached to the existing car,
The mechanism is such that the connecting member connecting bracket 14f is moved downward by the link motion of the lever shaft 14e and the lever link 14c.

Connecting material 15, connecting material fixing bracket 15
a, the connecting member 14 during construction and the landing door locking device 16 are connected by the connecting member fixing nut 15b and the shaft 15c. When the connecting member connecting bracket 14f moves downward, the connecting member 15 is pulled downward, and the landing door locking hook 16a
The landing door locking hook 16a is rotated about the hook shaft 16b by the link motion of the hook shaft 16b and the hook shaft 16b, the landing door locking hook 16a is unlocked, and the door lock SW17 is operated to enable opening and closing of the door.

The engagement position in this case is indicated by BB in FIG.
As shown in FIG. 8 which is a cross-sectional view, the landing doors of each floor are sequentially constructed in accordance with the position of the existing car. In this case, since the existing landing door and the new landing door have the same engagement position, normal operation is possible even when the existing landing door and the newly installed landing door are mixed. That is, in the first work period, the work can be divided for each floor.

FIG. 9 is a front view of the landing-side engaging element as viewed from the car side when a car-side engaging device (not shown) is newly installed in the second operation. After the car is newly installed, the under-construction engagement element 14, the connecting member 15, the landing door locking device 16 attached to each floor door to adjust the engagement position to the new car position.
Is removed, and the newly installed landing-side engaging element 18 is attached. FIG.
0 is a sectional view taken along the line CC of FIG.
A new car side engaging device 19 and a new car door hanger 20 are shown.

In the embodiment constructed as described above, the work process is divided into the first work and the second work, and the first work can be divided into the number of floors as shown in FIG. The remodeling work can be performed in a certain time period on a specific day, that is, a time period when the use of the elevator is less frequently performed, and in other time periods, normal operation can be performed, and the work can be performed step by step.

Since normal operation is possible between the first period and the second period, it is possible to set a long period between these operations. For example, it is set so that one period of operation is performed a year. In such a case, the cost of the elevator remodeling work can be shared, and the temporary large burden on building owners can be reduced.

FIG. 2 shows another embodiment, in which a landing door is newly installed, a work engaging element and a locking device are attached in the first phase work, and only the engaging element is newly constructed in the second phase work. By replacing the locking device used in the first-stage work with the new locker that has been fitted to the car-side engagement position and attaching it to the newly-installed landing door in the second-stage work, it is possible to perform the remodeling work at lower cost. ing.

FIG. 4 shows still another embodiment. In the case of a remodeling work in which a car is newly manufactured only on the landing side using an existing product, the position of the newly established landing side engaging element is attached to the hanger case. Even in the case where the existing car-side engaging device has a different engaging position where it is attached to the car door, the remodeling work is made possible by using the product of the present invention.

[0029]

As described above, according to the present invention, 1
Work can be done during the day using less frequent use of the elevator, and work can be carried out in stages during normal times during normal operation, so remodeling can be done without inconvenience to building users Can work.

Further, the engaging member 14, the connecting member 15, and the landing door locking device 16 during construction can be stored and used for other elevator remodeling work, and can be provided to the customer at low cost. .

Further, the present invention can be used even in the case of a remodeling operation in which a car is used and an existing product is used, and only the landing side is newly manufactured.

[Brief description of the drawings]

FIG. 1 is a schematic view of a remodeling work method according to the present invention, showing a method of replacing an engaging element and a locking device during construction with a newly-installed engaging element and a locking device at the time of a second work.

FIG. 2 is a schematic view of a remodeling work method according to the present invention, showing a method of replacing only an engaging element during construction at the time of a second work.

FIG. 3 is a schematic view of a remodeling work method according to the present invention, showing a method of dividing and attaching an engaging element and a locking device for construction during a first phase work for each floor.

FIG. 4 is a schematic view of the remodeling work method of the present invention, showing a method of newly installing a landing door at the time of the first work, and attaching an engaging element for construction and a locking device for construction at that time.

FIG. 5 is a partial view showing an existing landing-side engaging element and an existing landing door locking device.

6 is a sectional view taken along line AA of FIG.

FIG. 7 is a diagram showing a new landing-side engaging element and a landing door locking device to which the embodiment shown in FIG. 1 is applied, and a diagram showing an engagement position.

FIG. 8 is a sectional view taken along line BB of FIG. 7;

FIG. 9 is a partial view of the landing-side engaging element and the landing door locking device after the modification work method is completed.

FIG. 10 is a sectional view taken along line BB of FIG. 9;

FIG. 11 is an explanatory view showing a conventional remodeling work method.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Existing door rail, 2 ... Existing landing door hanger, 3 ... Existing landing door hanger, 4 ... Existing locking hook rod, 5 ... Existing door lock SW roller, 6 ... Existing door lock SW, 7 ... Existing engaging element, 8 ... Existing Car side engaging device, 9 ... existing car door, 1
0: Existing magnet cam, 11: Door rail, 12: New landing door, 13: Hanging door hanger, 14: Engagement element during construction, 15: Connecting material, 16: Door locking device, 17: Door lock SW, 18 ... New landing side engaging element, 19: New car side engaging device, 20: New car door hanger.

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Kiyoyuki Seki 832 Horiguchi, Hitachinaka-city, Ibaraki Pref.

Claims (4)

[Claims] 1. The removal of the existing elevator and the new construction are divided into the first phase work for newly constructing the existing landing and the second phase work for newly constructing a car. The period from the end of the first phase work to the start of the second phase work is as follows. In the elevator remodeling work method that enables normal operation of the elevator, after the first phase of work, a work-in-progress engagement piece that matches the engagement position of the existing car is attached to the new landing side, and the new landing side hanger The landing door locking device provided in the case is interlocked with the under-construction engaging element by a connecting material to lock and unlock the landing door. After the second phase of operation, the under-constructing engaging element and the under-construction landing are performed. A method of remodeling an elevator, which comprises replacing a set of door locking devices with a newly installed landing door locking device that matches a newly installed car side engagement position. 2. The elevator according to claim 1, wherein, after the second phase of operation, only the under-construction engagement element is replaced with a new landing door locking device having a landing door side engagement element adjusted to a new car side engagement position. Remodeling work method. 3. The new landing door according to claim 1, wherein an engaging element corresponding to the existing car-side engaging position is provided on the new landing door, and the removal of the existing landing side and the new installation are performed separately for each floor. Elevator remodeling work method that enables normal operation while removing the floor and constructing a new one. 4. A method for removing an existing elevator from the landing side and remodeling a newly installed elevator, attaching an engaging element corresponding to an existing car-side engaging position to the new landing side, and attaching the engaging element to the new landing side hanger case. An elevator remodeling work method characterized in that the landing door is locked and unlocked by interlocking with the installed landing door locking device using a connecting material.