JPH11209028A - Modification method for elevator - Google Patents
Modification method for elevatorInfo
- Publication number
- JPH11209028A JPH11209028A JP756598A JP756598A JPH11209028A JP H11209028 A JPH11209028 A JP H11209028A JP 756598 A JP756598 A JP 756598A JP 756598 A JP756598 A JP 756598A JP H11209028 A JPH11209028 A JP H11209028A
- Authority
- JP
- Japan
- Prior art keywords
- motor
- existing
- new
- coupling device
- elevator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、巻上機を駆動する
電動機の交換を行なうエレベータの改造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of modifying an elevator for replacing an electric motor for driving a hoist.
【０００２】[0002]
【従来の技術】一般にエレベータにおいては、既設エレ
ベータの老朽化に伴い、一部または全部の既設装置を新
設装置に取り替える改修工事が実施される。この改修工
事において、エレベータの既設電動機を最新式の可変周
波数対応型の電動機に交換することにより、乗り心地お
よび着床誤差等を大幅に改善することができるようにな
る。2. Description of the Related Art In general, in an elevator, as the existing elevator is deteriorated, a repair work for replacing a part or all of the existing equipment with a new equipment is performed. In this repair work, the existing motor of the elevator is replaced with a state-of-the-art variable frequency-compatible motor, so that the riding comfort and landing error can be greatly improved.
【０００３】従来のエレベータの改修方法は、特に、新
設装置に交換する既設装置を極力少なくし、可能な限り
既設装置を流用することで工事期間の短縮や費用の低減
を図ることが行われている。例えば、特開昭６１−２４
８８７６号公報に提案された改造方法では、図３に示す
ように既設制御盤を可変電圧可変周波数を発生する新設
制御盤１に交換して、既設電動機２を含む既設巻上機３
をそのまま流用してエレベータの制御方法を変更しよう
としている。しかし、既設電動機２の取り替え方法につ
いては特に示されているものはないが、一般的には、図
２に示すように既設巻上機３における電動機を取り替え
る場合、既設電動機２ｂを既設巻上機３から取り外すと
共に、その回転軸６ｂから既設電動機側連結装置４ｂを
取り外し、その後、可変電圧可変周波数対応型の新設電
動機２ａの回転軸６ａに先に取り外した既設電動機側連
結装置４ｂを取り付け、既設巻上機３の既設巻上機側連
結装置５と既設電動機側連結装置４ｂを連結するように
していた。[0003] In the conventional method of repairing an elevator, in particular, the existing equipment to be replaced with a new equipment is reduced as much as possible, and the existing equipment is used as much as possible to shorten the construction period and reduce the cost. I have. For example, JP-A-61-24
In the remodeling method proposed in Japanese Patent No. 8876, the existing control panel is replaced with a new control panel 1 that generates a variable voltage and variable frequency as shown in FIG.
Is trying to change the control method of the elevator by using it as it is. However, although there is no specific description of a method of replacing the existing motor 2, in general, when replacing the motor in the existing hoisting machine 3 as shown in FIG. 2, the existing motor 2 b is replaced with the existing hoisting machine. 3, the existing motor-side coupling device 4b is detached from the rotating shaft 6b, and then the previously removed existing motor-side coupling device 4b is attached to the rotating shaft 6a of the new electric motor 2a compatible with variable voltage and variable frequency. The existing hoisting machine side connecting device 5 of the hoisting machine 3 is connected to the existing motor side connecting device 4b.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、従来の
エレベータの改造方法では、既設電動機側連結装置４ｂ
を流用して既設電動機２ｂを可変電圧可変周波数対応型
の新設電動機２ａに取り替える場合、既設電動機側連結
装置４ｂを既設電動機２ｂの回転軸６ｂより取り外し、
その後、新設電動機２ａの回転軸６ａに付け替える作業
が必要になる。また既設のエレベータにおいては、ブレ
ーキ制動を行なっているため、既設巻上機側連結装置５
や既設電動機側連結装置４ｂの慣性ＧＤ2を大きくして
おり、そのような既設電動機２ｂを可変電圧可変周波数
対応型の新設電動機２ａに取り替える場合には、慣性は
できるだけ小さくすることが制御上望ましい。However, in the conventional method of remodeling an elevator, the existing motor-side coupling device 4b
When the existing motor 2b is replaced with a new motor 2a compatible with a variable voltage and a variable frequency by diverting the existing motor 2b, the existing motor-side coupling device 4b is removed from the rotating shaft 6b of the existing motor 2b,
After that, it is necessary to perform an operation of replacing the rotating shaft 6a of the newly installed motor 2a. Further, in the existing elevator, since the braking is performed, the existing hoisting machine side connecting device 5 is used.
And has a larger inertia GD 2 of the existing motor-side coupling device 4b, when replacing such existing motor 2b to new motor 2a of the variable voltage variable frequency corresponding type, it is desirable on the control of inertia as small as possible .
【０００５】本発明の目的は、既設電動機を可変電圧可
変周波数対応型の新設電動機に取り替えるときの作業性
を改善すると共に、制御しやすくしたエレベータの改造
方法を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a method of modifying an elevator, which improves workability when replacing an existing motor with a new motor compatible with a variable voltage and a variable frequency, and facilitates control.
【０００６】[0006]
【課題を解決するための手段】本発明は上記目的を達成
するために、巻上機の巻上機側連結装置に、電動機の回
転軸に固定した電動機側連結装置を連結して構成され、
既設の上記電動機を可変電圧可変周波数対応型の新設電
動機に取り替えるエレベータの改造方法において、既設
の上記電動機側連結装置の慣性より小さい慣性の新設電
動機側連結装置を予め上記新設電動機に組み込んでお
き、上記既設電動機側連結装置と共に上記既設電動機を
取り外した後、上記巻上機側連結装置に上記新設電動機
側連結装置を連結して上記新設電動機を取り付けるよう
にしたことを特徴とする。According to the present invention, in order to achieve the above object, a motor-side connecting device fixed to a rotating shaft of a motor is connected to a hoisting machine-side connecting device of a hoisting machine.
In the elevator remodeling method of replacing the existing motor with a new motor capable of supporting a variable voltage and a variable frequency, a new motor-side coupling device having an inertia smaller than that of the existing motor-side coupling device is previously incorporated in the new motor, After the existing motor is removed together with the existing motor-side connecting device, the new motor-side connecting device is connected to the hoisting machine-side connecting device, and the new motor is attached.
【０００７】本発明によるエレベータの改造方法は、既
設電動機を可変電圧可変周波数対応型の新設電動機に取
り替える際に、既設電動機側連結装置の慣性より小さい
慣性の新設電動機側連結装置を予め新設電動機に組み込
んでおき、既設電動機を取り外した後の巻上機の巻上機
側連結装置に新設電動機側連結装置を連結して新設電動
機を取り付けるようにしたため、従来のような既設電動
機からの既設電動機側連結装置の取り外し作業と、取り
外した既設電動機側連結装置を新設電動機へ取り付ける
作業とが不必要になって作業性が改善され、しかも、慣
性を小さくした新設電動機側連結装置によって制御しや
すいものにすることができる。[0007] In the elevator remodeling method according to the present invention, when the existing motor is replaced with a new motor adaptable to variable voltage and variable frequency, the new motor-side connection device having an inertia smaller than the inertia of the existing motor-side connection device is replaced with the new motor in advance. The new motor is connected by connecting the new motor-side connecting device to the hoisting machine-side connecting device of the hoist after removing the existing motor, so that the existing motor is replaced by the existing motor. The work of removing the coupling device and the work of attaching the removed existing motor-side coupling device to the new motor are not required, improving workability, and making it easier to control with the new motor-side coupling device with reduced inertia. can do.
【０００８】[0008]
【発明の実施の形態】以下、本発明の実施の形態を図面
によって説明する。図１は、本発明の一実施の形態によ
るエレベータの改造方法を採用した巻上機の取り替え作
業の途中状態を示す正面図である。既設巻上機３は、そ
の内部に巻上機側連結装置５を有し、この巻上機側連結
装置５に既設電動機２ｂの回転軸６ｂに固定した既設電
動機側連結装置４ｂを連結して構成されている。この既
設電動機２ｂを可変電圧可変周波数対応型の新設電動機
２ａに取り替える場合、先ず、交換作業に先立って工場
において、既設電動機側連結装置４ｂの慣性よりも小さ
な慣性の新設電動機側連結装置４ａを準備すると共に、
この新設電動機側連結装置４ａを新設電動機２ａの回転
軸６ａに予め組み込んでおく。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view showing a state in the middle of a work of replacing a hoist employing a method of modifying an elevator according to an embodiment of the present invention. The existing hoisting machine 3 has a hoisting machine side connecting device 5 therein, and connects the existing motor side connecting device 4b fixed to the rotating shaft 6b of the existing electric motor 2b to the hoisting machine side connecting device 5. It is configured. When replacing the existing motor 2b with a new motor 2a compatible with variable voltage and variable frequency, first, before the replacement work, prepare a new motor-side coupling device 4a having an inertia smaller than the inertia of the existing motor-side coupling device 4b at the factory. Along with
The new motor-side coupling device 4a is previously assembled to the rotating shaft 6a of the new motor 2a.
【０００９】既設電動機２ｂを新設電動機２ａに取り替
える場合、先ず、取り替え作業に先立って既設電動機側
連結装置４ｂの慣性よりも小さな慣性の新設電動機側連
結装置４ａを予め回転軸６ａに取り付けておいた新設電
動機２ａを工場において製作しておき、現地に搬入す
る。現地では、既設巻上機３の巻上機側連結装置５と既
設電動機側連結装置４ｂとの連結関係を解いて、既設電
動機側連結装置４ｂと共に既設電動機２ｂを取り外す。
その後、既設電動機側連結装置４ｂの慣性よりも小さな
慣性の新設電動機側連結装置４ａを予め回転軸６ａに取
り付けておいた新設電動機２ａを、既設巻上機３の図示
の矢印方向に挿入して、巻上機側連結装置５と新設電動
機側連結装置４ａ間を連結する。こうして新設電動機２
ａにより新設電動機側連結装置４ａおよび巻上機側連結
装置５を介して駆動力を伝達することができるようにな
る。When replacing the existing motor 2b with the new motor 2a, first, prior to the replacement work, the new motor-side coupling device 4a having an inertia smaller than that of the existing motor-side coupling device 4b is attached to the rotating shaft 6a in advance. The new electric motor 2a is manufactured in a factory, and is then carried to the site. At the site, the connection relationship between the hoisting machine side connecting device 5 of the existing hoisting machine 3 and the existing motor side connecting device 4b is released, and the existing motor 2b is removed together with the existing motor side connecting device 4b.
Thereafter, the new motor 2a in which the new motor-side coupling device 4a having an inertia smaller than that of the existing motor-side coupling device 4b is attached to the rotating shaft 6a in advance is inserted in the direction of the arrow of the existing hoisting machine 3 as shown in the figure. The hoisting machine side connecting device 5 and the newly installed motor side connecting device 4a are connected. Thus the new motor 2
With a, the driving force can be transmitted via the new motor-side coupling device 4a and the hoist-side coupling device 5.
【００１０】従って、従来のように既設電動機側連結装
置４ｂを既設電動機２ａの回転軸６ｂより取り外す作業
や、この取り外した既設電動機側連結装置４ｂを新設電
動機２ａの回転軸６ａに取り付ける作業が不必要にな
り、エレベータ改造時の作業性を改善することができ
る。また、新設電動機２ａの回転軸６ａに組み込まれた
新設電動機側連結装置４ａは既設電動機側連結装置４ｂ
の慣性に比べて小さい慣性であるため、制御しやすいも
のとなる。Therefore, the work of removing the existing motor-side coupling device 4b from the rotating shaft 6b of the existing motor 2a and the work of attaching the removed existing motor-side coupling device 4b to the rotating shaft 6a of the new motor 2a as in the related art are not necessary. It becomes necessary and the workability at the time of elevator remodeling can be improved. The new motor-side coupling device 4a incorporated in the rotating shaft 6a of the new motor 2a is different from the existing motor-side coupling device 4b.
Since the inertia is smaller than the inertia of, it is easy to control.
【００１１】[0011]
【発明の効果】以上説明したように本発明によるエレベ
ータの改造方法は、既設電動機を可変電圧可変周波数対
応型の新設電動機に取り替える際に、既設電動機側連結
装置の慣性より小さい慣性の新設電動機側連結装置を予
め新設電動機に組み込んでおき、既設電動機を取り外し
た後の巻上機の巻上機側連結装置に新設電動機側連結装
置を連結して新設電動機を取り付けるようにしたため、
従来のような既設電動機からの既設電動機側連結装置の
取り外し作業と、取り外した既設電動機側連結装置を新
設電動機へ取り付ける作業とが不必要となって作業性が
改善され、しかも、慣性を小さくした新設電動機側連結
装置によって制御しやすいものにすることができる。As described above, the elevator remodeling method according to the present invention can be used to replace an existing motor with a new motor having an inertia smaller than the inertia of the existing motor-side coupling device when replacing the existing motor with a variable motor with a variable voltage and variable frequency. Because the connecting device was incorporated into the new motor in advance, and the new motor was connected to the hoisting machine side connecting device of the hoist after removing the existing motor, the new motor was attached.
It is unnecessary to remove the existing motor-side coupling device from the existing motor and attach the removed existing motor-side coupling device to the new motor as in the past, improving workability and reducing inertia. It can be made easy to control by the new motor-side coupling device.
【図１】本発明の一実施の形態によるエレベータの改造
方法を採用した作業途中状態を示す巻上機の正面図であ
る。FIG. 1 is a front view of a hoist showing a state in the middle of an operation employing an elevator remodeling method according to an embodiment of the present invention.
【図２】従来のエレベータの改造方法を採用した作業途
中状態を示す巻上機の正面図である。FIG. 2 is a front view of a hoist showing a state in the middle of work using a conventional elevator modification method.
【図３】エレベータの制御方式を示すブロック図であ
る。FIG. 3 is a block diagram showing an elevator control method.
２ａ 新設電動機 ２ｂ 既設電動機 ３ 既設巻上機 ４ａ 新設電動機側連結装置 ４ｂ 既設電動機側連結装置 ５ 巻上機側連結装置 2a New motor 2b Existing motor 3 Existing hoisting machine 4a New motor side connecting device 4b Existing motor side connecting device 5 Hoisting machine side connecting device
Claims (1)
回転軸に固定した電動機側連結装置を連結して構成さ
れ、既設の上記電動機を可変電圧可変周波数対応型の新
設電動機に取り替えるエレベータの改造方法において、
既設の上記電動機側連結装置の慣性より小さい慣性の新
設電動機側連結装置を予め上記新設電動機に組み込んで
おき、上記既設電動機側連結装置と共に上記既設電動機
を取り外した後、上記巻上機側連結装置に上記新設電動
機側連結装置を連結して上記新設電動機を取り付けるよ
うにしたことを特徴とするエレベータの改造方法。An electric motor-side connecting device fixed to a rotating shaft of an electric motor is connected to a hoisting-machine-side connecting device of a hoisting machine, and the existing electric motor is used as a new electric motor compatible with variable voltage and variable frequency. In the method of remodeling the elevator to be replaced,
The new motor-side coupling device having an inertia smaller than the inertia of the existing motor-side coupling device is incorporated in the new motor in advance, and the existing motor is removed together with the existing motor-side coupling device. A method for remodeling an elevator, characterized in that the new motor is connected to the new motor and the new motor is mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP756598A JPH11209028A (en) | 1998-01-19 | 1998-01-19 | Modification method for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP756598A JPH11209028A (en) | 1998-01-19 | 1998-01-19 | Modification method for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11209028A true JPH11209028A (en) | 1999-08-03 |
Family
ID=11669336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP756598A Pending JPH11209028A (en) | 1998-01-19 | 1998-01-19 | Modification method for elevator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11209028A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015140929A1 (en) * | 2014-03-18 | 2015-09-24 | 三菱電機株式会社 | Mechanical apparatus |
| US9499375B2 (en) | 2011-08-26 | 2016-11-22 | Kone Corporation | Elevator with detachable drive unit |
-
1998
- 1998-01-19 JP JP756598A patent/JPH11209028A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9499375B2 (en) | 2011-08-26 | 2016-11-22 | Kone Corporation | Elevator with detachable drive unit |
| WO2015140929A1 (en) * | 2014-03-18 | 2015-09-24 | 三菱電機株式会社 | Mechanical apparatus |
| US9935523B2 (en) | 2014-03-18 | 2018-04-03 | Mitsubishi Electric Corporation | Mechanical device |
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