JPH0295693A - Vibration absorbing device for elevator - Google Patents
Vibration absorbing device for elevatorInfo
- Publication number
- JPH0295693A JPH0295693A JP24696188A JP24696188A JPH0295693A JP H0295693 A JPH0295693 A JP H0295693A JP 24696188 A JP24696188 A JP 24696188A JP 24696188 A JP24696188 A JP 24696188A JP H0295693 A JPH0295693 A JP H0295693A
- Authority
- JP
- Japan
- Prior art keywords
- intermediate plate
- car
- vibration absorbing
- layers
- 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
- 229920001971 elastomer Polymers 0.000 abstract description 9
- 239000005060 rubber Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 230000000644 propagated effect Effects 0.000 abstract description 3
- 239000006096 absorbing agent Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
Landscapes
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は、２：１０−ビングエレベータの乗かご上に設
置するかご上シーブの取付部分の吸振装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a vibration absorbing device for a mounting portion of a car sheave installed on a car of a 2:10-bing elevator.
（従来の技術）
従来の２：１０−ビングエレベータでは、第４図に示す
ように、建屋７に設置した巻上機１の両側に乗かご２と
つり合おもり３がそれぞれかご上シーブ４とつり合おも
り上シーブ５を介してワイヤロープ６により吊り下げら
れている。また、ロープ６の両端部は、建屋７にばね８
等を介してそれぞれ取付けられている。(Prior Art) In a conventional 2:10-bing elevator, as shown in Fig. 4, a car 2 and a counterweight 3 are installed on both sides of a hoist 1 installed in a building 7, and a car sheave 4 and a car sheave 4, respectively. The balance weight is suspended by a wire rope 6 via a sheave 5. Also, both ends of the rope 6 are connected to the building 7 by springs 8.
etc. are attached to each other.
しかし、ワイヤローブ６の巻上機１は、種々の原因によ
り振動を発生することがある。例えば、歯車減速機構付
の巻上機においては、歯車の噛合いの際に振動を発生す
る。また、サイリスタを応用して制御を行うエレベータ
は、電源周波数の整数倍の高周波振動が発生し、あるい
は、インバータを利用して制御を行うエレベータにおい
ては、巻上機１にインバータ出力周波数に起因した振動
が発生する。これらの発生した振動は、ローブ６に伝播
し、さらに、かご上シーブ４、乗かご２に伝播して、乗
かご２内の乗客に振動や騒音をもたらして、その結果、
著しい不快感を乗客に与える。However, the hoisting machine 1 of the wire lobe 6 may generate vibrations due to various causes. For example, in a hoisting machine equipped with a gear reduction mechanism, vibrations are generated when the gears mesh. In addition, in elevators that are controlled using thyristors, high-frequency vibrations that are integral multiples of the power supply frequency occur, or in elevators that are controlled using inverters, high-frequency vibrations occur in the hoisting machine 1 due to the inverter output frequency. Vibration occurs. These generated vibrations propagate to the lobe 6, and further to the car sheave 4 and the car 2, causing vibrations and noise to the passengers in the car 2, and as a result,
Causes significant discomfort to passengers.
そこで、従来のエレベータでは、これらの振動の伝播を
防止するために、第５図に示すように、防振ゴム９等の
弾性体を介して、かご上シーブ４のかご上シーブ枠４ａ
を乗かご２の上梁１０に取付けていた。さら、加振力が
大きい場合に、ローブ６からの振動が乗かご２に伝播す
るのを防止するために、かご上シーブ枠４ａの両端部に
板ばね１２とその先端に取付けたおもり１３とからなる
動的吸振器を取付けて吸振をしていた。Therefore, in conventional elevators, in order to prevent the propagation of these vibrations, as shown in FIG. 5, the car upper sheave frame 4a of the car upper sheave 4 is
was attached to the upper beam 10 of the car 2. Furthermore, in order to prevent vibrations from the lobes 6 from propagating to the car 2 when the excitation force is large, leaf springs 12 are installed at both ends of the car upper sheave frame 4a, and weights 13 are attached to the tips of the leaf springs 12. A dynamic vibration absorber consisting of was installed to absorb vibrations.
（発明が解決しようとする課題）
しかし、このような従来の板ばねとおもりとからなる動
的吸振器により吸振する方法には、次のような問題点が
あった。すなわち、通常、この種エレベータのかご上シ
ーブは、２００ｋｇ〜５００ｋｇ程度の重量を有する。(Problems to be Solved by the Invention) However, this conventional method of absorbing vibration using a dynamic vibration absorber consisting of a leaf spring and a weight has the following problems. That is, the car sheave of this type of elevator usually has a weight of about 200 kg to 500 kg.
エレベータのかご上シーブ取付部の振動を低減するため
には、さらに、かご上シーブの１７５程度、例えば４０
ｋｇ〜１００ｋｇ程度、のおちりをかご上シーブの両端
部に板ばねを介して取付けることが必要である。このた
め、かごの重量がさらに増大して、ランニングコストの
高い不経済なエレベータとなってしまうおそれがあった
。In order to reduce the vibration of the car upper sheave attachment part of the elevator, it is necessary to further reduce the vibration of the car upper sheave to about 175, for example 40
It is necessary to attach approximately 100 kg of dust to both ends of the sheave on the car via leaf springs. As a result, the weight of the car may further increase, resulting in an uneconomical elevator with high running costs.
本発明は、おもりとかごの重量を増加することなく、軽
量でかつ吸振率の高いエレベータの吸振装置を提供する
ことを目的としている。An object of the present invention is to provide a vibration absorbing device for an elevator that is lightweight and has a high vibration absorption rate without increasing the weight of the weight and the car.
（課題を解決するための手段）
本発明はエレベータの乗かごの上梁に防振ゴム等の弾性
体を介してかご上シーブを取付けたエレベータにおいて
、この弾性体を二段以上に層状に分割し、これら層状に
分割された弾性体の間に中間板を挿着し、この中間板に
は板ばね等の弾性部材を介しておもりを固設したことを
特徴とする。(Means for Solving the Problems) The present invention provides an elevator in which a car sheave is attached to the upper beam of an elevator car through an elastic body such as anti-vibration rubber, in which the elastic body is divided into two or more layers. However, it is characterized in that an intermediate plate is inserted between the elastic bodies divided into layers, and a weight is fixed to the intermediate plate via an elastic member such as a leaf spring.
（作 用）
上記のように構成された本発明のエレベータの吸振装置
では、エレベータの巻上機からローブを介して中間板に
伝播する振動は、板ばね等の弾性部材の先端部に固設し
た軽量のおもりにより十分低減される。(Function) In the elevator vibration absorbing device of the present invention configured as described above, vibrations propagated from the elevator hoisting machine to the intermediate plate via the lobes are absorbed by the vibration absorbing device fixed to the tip of the elastic member such as a leaf spring. This is sufficiently reduced by the lightweight weight.
以下本発明の実施例を図面について説明する。 Embodiments of the present invention will be described below with reference to the drawings.
本発明の実施例の２＝１０−ピングエレベータは、従来
のものと同じように、建屋に設置した巻上機の両側に乗
かごとつり合おもりがそれぞれかご上シーブとつり合お
もり上シーブを介してワイヤローブにより吊り下げられ
ていて、また、ローブの両側部は、建屋にばね等を介し
てそれぞれ取付けられている。The 2=10-ping elevator according to the embodiment of the present invention, like the conventional one, has a car and a counterweight on both sides of a hoist installed in the building, and a car upper sheave and a counterweight upper sheave. It is suspended by wire lobes through the lobes, and both sides of the lobes are attached to the building via springs or the like.
とくに、本発明の実施例では、第１図に示すように、か
ご上シーブ４の回転軸４ｂを軸支するかご上シーブ枠４
ａと乗かごの上梁１０との間に二段以上に層状に分割し
た防振ゴム９等からなる弾性体を固設する。そして、二
段以上層状に分割した防振ゴム９の間には、その端面よ
り幾分突出した端部をもつ中間板１１を挿着し、中間板
１１の端部にはそれぞれ板ばね１２等の弾性部材を固設
し、さらに板ばね１２の先端部近傍におもり１３を取付
けるようにして動的吸振器を構成する。そして、かご上
シーブ４には、ワイヤローブ６を巻回する。In particular, in the embodiment of the present invention, as shown in FIG.
An elastic body made of anti-vibration rubber 9 or the like divided into two or more layers is fixed between a and the upper beam 10 of the car. An intermediate plate 11 having an end portion slightly protruding from the end surface is inserted between the vibration isolating rubber 9 divided into two or more layers, and a leaf spring 12 or the like is attached to each end of the intermediate plate 11. A dynamic vibration absorber is constructed by fixing an elastic member and further attaching a weight 13 near the tip of the leaf spring 12. Then, a wire lobe 6 is wound around the car sheave 4.
このように構成することにより、巻上機からローブ６を
介して中間板１１に伝播する振動は、単に板ばね１２の
先端部に軽量のおもり１３を取付けることにより十分低
減される。With this configuration, vibrations propagated from the hoist to the intermediate plate 11 via the lobe 6 can be sufficiently reduced by simply attaching the lightweight weight 13 to the tip of the leaf spring 12.
また、これらエレベータの吸振装置を力学的モデル化し
てみると、第２ａ図（従来例）と第２ｂ図（本発明）に
示すようになる。Furthermore, when the vibration absorbing devices of these elevators are dynamically modeled, the results are shown in FIG. 2a (conventional example) and FIG. 2b (invention).
さらに、第３ａ図（従来例）と第３ｂ図（本発明）に示
すように、巻上機からの加振力Ｆ −５ｉｎ２πｆｔの
力が加わった時の乗かごの床の加速度応答の計算結果は
、図中Ａ部において本発明の動的吸振器による顕著な吸
振効果として現われる。Furthermore, as shown in Figure 3a (conventional example) and Figure 3b (invention), the calculation results of the acceleration response of the car floor when an excitation force F -5in2πft from the hoisting machine is applied. appears as a remarkable vibration absorption effect by the dynamic vibration absorber of the present invention in part A in the figure.
ここで、ｆは振動数、ｔは加振時間を示す。このように
本発明の実施例によると、その動的吸振器による吸振効
果は、従来例のものと比べて、格段に優れているが、板
ばねの先端部に取付けるおもりの重量は、格段に軽いも
ので十分である。Here, f indicates the frequency of vibration, and t indicates the excitation time. As described above, according to the embodiment of the present invention, the vibration absorption effect of the dynamic vibration absorber is much superior to that of the conventional example, but the weight of the weight attached to the tip of the leaf spring is significantly greater. Something light is sufficient.
本発明によれば、二段以上に層状に分割した防振ゴムの
間に挿着した中間板の両端部に固設した板ばねの先端部
におもりからなる動的吸振器を取付けるだけで、きわめ
てを効な吸振効果が期待できる。さらに、おもり自身を
軽量化できるので、製造コストの低減ならびにエレベー
タの運転効率を向上させることが期待できる。According to the present invention, by simply attaching a dynamic vibration absorber consisting of a weight to the tip of a leaf spring fixed to both ends of an intermediate plate inserted between two or more layers of vibration isolating rubber, An extremely effective vibration absorption effect can be expected. Furthermore, since the weight itself can be made lighter, it is expected that manufacturing costs will be reduced and elevator operating efficiency will be improved.
６・・・ワイヤローブ、７・・・建屋、８・・・ばね、
９・・・防振ゴム、１０・・・上梁、１１・・・中間板
、１２・・・板ばね、１３・・・おもり。6... Wire robe, 7... Building, 8... Spring,
9... Anti-vibration rubber, 10... Upper beam, 11... Intermediate plate, 12... Leaf spring, 13... Weight.
Claims (1)
エレベータにおいて、前記弾性体を二段以上に層状に分
割し、これら層状に分割された弾性体の間に中間板を挿
着し、この中間板の両端部には弾性部材を介しておもり
を固定したことを特徴とするエレベータの吸振装置。In an elevator in which a car upper sheave is attached to an upper beam of a car via an elastic body, the elastic body is divided into two or more layers, and an intermediate plate is inserted between the elastic bodies divided into layers. A vibration absorbing device for an elevator, characterized in that weights are fixed to both ends of the intermediate plate via elastic members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24696188A JPH0295693A (en) | 1988-09-30 | 1988-09-30 | Vibration absorbing device for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24696188A JPH0295693A (en) | 1988-09-30 | 1988-09-30 | Vibration absorbing device for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0295693A true JPH0295693A (en) | 1990-04-06 |
Family
ID=17156299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24696188A Pending JPH0295693A (en) | 1988-09-30 | 1988-09-30 | Vibration absorbing device for elevator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0295693A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG82539A1 (en) * | 1993-05-13 | 2001-08-21 | Otis Elevator Co | Elevator platform isolation |
| JP2001280412A (en) * | 2000-03-31 | 2001-10-10 | Mitsubishi Electric Corp | Dynamic vibration absorber for rotor and elevator using this absorber |
| US6443266B2 (en) * | 1998-09-01 | 2002-09-03 | Kabushiki Kaisha Toshiba | Traction type elevator |
-
1988
- 1988-09-30 JP JP24696188A patent/JPH0295693A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG82539A1 (en) * | 1993-05-13 | 2001-08-21 | Otis Elevator Co | Elevator platform isolation |
| US6443266B2 (en) * | 1998-09-01 | 2002-09-03 | Kabushiki Kaisha Toshiba | Traction type elevator |
| JP2001280412A (en) * | 2000-03-31 | 2001-10-10 | Mitsubishi Electric Corp | Dynamic vibration absorber for rotor and elevator using this absorber |
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