JP5303266B2 - Elevator hoisting machine - Google Patents

Elevator hoisting machine Download PDF

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JP5303266B2
JP5303266B2 JP2008332186A JP2008332186A JP5303266B2 JP 5303266 B2 JP5303266 B2 JP 5303266B2 JP 2008332186 A JP2008332186 A JP 2008332186A JP 2008332186 A JP2008332186 A JP 2008332186A JP 5303266 B2 JP5303266 B2 JP 5303266B2
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driving
sheave
pressing force
drive
belt
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JP2010150028A (en
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正記 有賀
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Hitachi Ltd
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Hitachi Ltd
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    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B5/00—Making ropes or cables from special materials or of particular form
    • D07B5/005—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties
    • D07B5/006—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties by the properties of an outer surface polymeric coating
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2501/00—Application field
    • D07B2501/20—Application field related to ropes or cables
    • D07B2501/2007—Elevators

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  • Cage And Drive Apparatuses For Elevators (AREA)

Description

本発明はエレベーター用巻上機に係り、特に主ロープを巻き掛けた駆動用シーブを摩擦駆動するエレベーター用巻上機に関する。   The present invention relates to an elevator hoisting machine, and more particularly to an elevator hoisting machine that frictionally drives a driving sheave on which a main rope is wound.

従来から、主ロープを巻き掛けた駆動用シーブを摩擦駆動するエレベーター用巻上機としては、例えば特許文献１，２に示すように、駆動電動機で駆動される駆動ローラを駆動用シーブの外周に押付けて摩擦駆動する巻上機が提案されている。   Conventionally, as an elevator hoisting machine that frictionally drives a driving sheave on which a main rope is wound, as shown in Patent Documents 1 and 2, for example, a driving roller driven by a driving motor is provided on the outer periphery of the driving sheave. A hoisting machine that presses and frictionally drives has been proposed.

しかし、これらの巻上機は、駆動用シーブと駆動ローラとの接触面積が小さいために、伝達できる駆動電動機からの駆動力が小さい問題がある。   However, since these hoisting machines have a small contact area between the driving sheave and the driving roller, there is a problem that the driving force from the driving motor that can be transmitted is small.

また、特許文献３に示すように、駆動用シーブに巻き掛けられた主ロープを駆動ベルトで押付け、この駆動ベルトを駆動させることで主ロープを駆動させる巻上機が提案されている。   Further, as shown in Patent Document 3, a hoisting machine has been proposed in which a main rope wound around a driving sheave is pressed by a driving belt and the driving rope is driven to drive the main rope.

ＷＯ２００６/０２７８４０WO2006 / 027840 ＷＯ２００６/００１０７５WO2006 / 001075 特開２００８−８１２２７号公報JP 2008-81227 A

上記特許文献３に記載の巻上機においては、特許文献１，２の巻上機に比べて伝達できる駆動電動機からの動力の伝達力を大きくすることができる。   In the hoisting machine described in Patent Document 3, the power transmission force from the drive motor that can be transmitted can be increased as compared with the hoisting machines of Patent Documents 1 and 2.

しかしながら、駆動ベルトが駆動用シーブのロープ溝から突出している主ロープを押圧する構成となっている。そのため、主ロープを構成する多数の素線の撚りによる凹凸によって駆動ベルトとの摩擦駆動力は増大するが、駆動ベルトの摩耗が早くなり、保守点検を頻繁に行う必要がある。さらに、主ロープが屈曲される範囲において駆動ベルトで押圧されることから、駆動用シーブのロープ溝内で主ロープの断面が潰される方向に変形し、主ロープの寿命を低下させることになり、同様に保守点検を頻繁に行わねばならない問題がある。   However, the driving belt presses the main rope protruding from the rope groove of the driving sheave. Therefore, although the frictional driving force with the drive belt increases due to the unevenness caused by the twisting of a large number of strands constituting the main rope, the wear of the drive belt is accelerated, and maintenance and inspection must be performed frequently. Furthermore, since it is pressed by the drive belt in the range where the main rope is bent, it deforms in the direction in which the cross section of the main rope is crushed in the rope groove of the driving sheave, and the life of the main rope is reduced. Similarly, there are problems that require frequent maintenance and inspection.

本発明の目的は、駆動ベルトによる駆動用シーブへの動力の伝達力を大きくできることは勿論のこと、保守点検の間隔を延長できる摩擦駆動によるエレベーター用巻上機を提供することにある。   An object of the present invention is to provide an elevator hoisting machine by friction drive capable of extending the maintenance inspection interval as well as increasing the power transmission force to the driving sheave by the driving belt.

本発明は上記目的を達成するために、駆動用シーブの主ロープ巻き掛け範囲外の外周に複数のローラによって押圧される無端状の駆動ベルトを巻き掛け、前記複数のローラの一つを駆動電動機によって駆動すると共に、前記駆動ベルトの前記駆動用シーブへの押圧力を発生させる押圧手段を設け、かつ、前記駆動ベルトの前記駆動用シーブへの押圧力を調整する押圧力調整手段として、前記複数のローラを回転自在に軸支する押圧力調整台を、昇降路内の固定部材に取付けられた支持材から上方に延在された支持枠に沿って移動させる案内手段を設けることで、前記押圧力調整台と支持枠との間隔を調整し、前記押圧力を調整するように構成したのである。 In order to achieve the above object, the present invention wraps an endless drive belt pressed by a plurality of rollers around an outer periphery of a driving sheave around a main rope, and drives one of the plurality of rollers to a drive motor. And a plurality of pressing force adjusting means for adjusting the pressing force of the driving belt to the driving sheave. The pressing means is configured to adjust the pressing force of the driving belt to the driving sheave. By providing guide means for moving a pressing force adjusting table that rotatably supports the roller along a supporting frame extending upward from a supporting member attached to a fixing member in the hoistway, to adjust the spacing between the pressure adjustment table support frame is to that by Uni configured to adjust the pressing force.

このように構成することで、駆動ベルトによる駆動用シーブへの動力の伝達力を確保できると共に、駆動ベルトを主ロープの巻き掛け範囲外の駆動用シーブに押圧させることができるので、駆動ベルトを主ロープに押圧させるものに比べて、駆動ベルトや主ロープの摩耗は少なくなり、その結果、これらの保守点検の間隔を延長することができるのである。   With this configuration, the power transmission force to the drive sheave by the drive belt can be secured and the drive belt can be pressed against the drive sheave outside the main rope wrapping range. The wear of the drive belt and the main rope is reduced compared to the one pressed on the main rope, and as a result, the interval between these maintenance inspections can be extended.

以上説明しましたように、本発明のよれば、駆動ベルトによる駆動用シーブへの動力の伝達力を十分に確保できることは勿論のこと、保守点検の間隔を延長できる摩擦駆動によるエレベーター用巻上機を得ることができる。   As described above, according to the present invention, it is possible to sufficiently secure the power transmission force to the drive sheave by the drive belt, and the elevator hoisting machine by the friction drive that can extend the maintenance inspection interval. Can be obtained.

以下本発明によるエレベーター用巻上機の一実施の形態を図１〜図３に基づいて説明する。   Hereinafter, an embodiment of an elevator hoist according to the present invention will be described with reference to FIGS.

本実施の形態による巻上機１は、図示しない昇降路内の固定部材や、昇降路頂部の機械室の固定部材に固定される支持台２と、この支持台２から上方に延在する支持枠３と、この支持枠３の延在側に回転自在に軸支された駆動用シーブ４と、この駆動用シーブ４の外周に削設された複数のロープ溝４Ｇと、このロープ溝４Ｇの夫々に巻き掛けられた主ロープ５と、前記駆動用シーブ４の主ロープ５の巻き掛け範囲外に接触する無端状の駆動ベルト６と、この駆動ベルト６を張架する駆動ローラ７及び従動ローラ８と、これら駆動ローラ７及び従動ローラ８を回転自在に軸支する押圧力調整台９と、前記駆動ローラ７を回転駆動する駆動電動機１０と、前記押圧力調整台９と支持台２との間に介在され前記駆動ベルト６を駆動用シーブ４の外周に押圧する押圧手段となる圧縮ばね１１Ａ，１１Ｂと、前記押圧力調整台９を前記支持枠３の延在方向に案内する案内手段１２Ａ，１２Ｂとで構成される。   The hoisting machine 1 according to the present embodiment includes a support member 2 fixed to a fixing member in a hoistway (not shown), a fixing member of a machine room at the top of the hoistway, and a support extending upward from the support base 2. A frame 3, a driving sheave 4 rotatably supported on the extending side of the support frame 3, a plurality of rope grooves 4G cut on the outer periphery of the driving sheave 4, and the rope grooves 4G The main rope 5 wound around each of them, the endless drive belt 6 that contacts the outside of the winding range of the main rope 5 of the drive sheave 4, the drive roller 7 and the driven roller that stretch the drive belt 6 8, a pressing force adjusting base 9 that rotatably supports the driving roller 7 and the driven roller 8, a driving motor 10 that rotationally drives the driving roller 7, and the pressing force adjusting base 9 and the support base 2. The drive belt 6 is interposed between the outer periphery of the drive sheave 4 A compression spring 11A which is a pressing means for pressing, 11B and the guide means 12A for guiding the pressing force adjustment table 9 in the extending direction of the supporting frame 3, and a 12B.

前記駆動ベルト６は、前記駆動用シーブ４のロープ溝４Ｇに嵌合する凸条６Ａを有し、駆動ベルト６が駆動用シーブ４から外れるのを防止している。   The drive belt 6 has a ridge 6 </ b> A that fits into the rope groove 4 </ b> G of the drive sheave 4, and prevents the drive belt 6 from coming off the drive sheave 4.

巻上機１を以上のように構成したので、駆動用シーブ４を回転させて主ロープ５を移動させる場合には、駆動用電動機１０を駆動して駆動ローラ７を回転させる。駆動ローラ７の回転により従動ローラ８との間に巻き掛けられた駆動ベルト６は移動し、この移動する駆動ベルト６の駆動用シーブ４の外周面との接触及び駆動ベルト６の凸条６Ａとロープ溝４Ｇとの接触による摩擦によって駆動用シーブ４は回転し、ロープ溝４Ｇに巻き掛けられた主ロープ５を移動させる。   Since the hoisting machine 1 is configured as described above, when the driving sheave 4 is rotated and the main rope 5 is moved, the driving motor 10 is driven and the driving roller 7 is rotated. The drive belt 6 wound between the driven roller 8 and the driven roller 8 is moved by the rotation of the drive roller 7. The moving drive belt 6 comes into contact with the outer peripheral surface of the drive sheave 4, and the ridge 6 A of the drive belt 6 The driving sheave 4 is rotated by friction caused by contact with the rope groove 4G, and the main rope 5 wound around the rope groove 4G is moved.

ところで、前記駆動ベルト６の駆動用シーブ４への押圧力は、圧縮ばね１１Ａ，１１Ｂによって確保しているが、押圧力の調整は、圧縮ばね１１Ａ，１１Ｂを用いずに、案内手段１２Ａ，１２Ｂによって押圧力調整台９を支持枠３に沿って移動させることで両者の間隔を調整する機構を設けて行うことができる。さらに、圧縮ばね１１Ａ，１１Ｂを用いずに、駆動ローラ７と従動ローラ８との間隔を調整する機構を設け、駆動ベルト６の張力を加減して駆動用シーブ４の外周への押圧力を調整することができる。   By the way, the pressing force of the driving belt 6 to the driving sheave 4 is secured by the compression springs 11A and 11B, but the adjustment of the pressing force is not performed by using the compression springs 11A and 11B, but the guiding means 12A and 12B. By moving the pressing force adjusting base 9 along the support frame 3 by the above, a mechanism for adjusting the distance between the two can be provided. Further, a mechanism for adjusting the distance between the driving roller 7 and the driven roller 8 without using the compression springs 11A and 11B is provided, and the pressing force to the outer periphery of the driving sheave 4 is adjusted by adjusting the tension of the driving belt 6. can do.

したがって、駆動ベルト６の駆動用シーブ４の外周への押圧力を調整する場合には、押圧力調整台９と支持枠３との間隔を調整する機構や、駆動ローラ７と従動ローラ８との間隔を調整する機構が、本発明による押圧手段を兼ねる押圧力調整手段となる。   Therefore, when adjusting the pressing force of the driving belt 6 to the outer periphery of the driving sheave 4, a mechanism for adjusting the distance between the pressing force adjusting base 9 and the support frame 3, or the driving roller 7 and the driven roller 8. The mechanism for adjusting the distance is the pressing force adjusting means that also serves as the pressing means according to the present invention.

このほか、押圧力調整台９を駆動用シーブ４に接近させると共に、駆動ローラ７と従動ローラ８との間隔を広げることで、駆動ベルト６の駆動用シーブ４への巻き掛け角度を大きくして大きな動力の伝達を可能とすることができ、逆に、押圧力調整台９を駆動用シーブ４から乖離させると共に、駆動ローラ７と従動ローラ８との間隔を狭めることで、駆動ベルト６の駆動用シーブ４への巻き掛け角度を小さくすることができる。   In addition, the urging angle of the driving belt 6 around the driving sheave 4 is increased by bringing the pressing force adjusting base 9 closer to the driving sheave 4 and widening the distance between the driving roller 7 and the driven roller 8. Large power can be transmitted, and conversely, the pressing force adjusting base 9 is separated from the driving sheave 4 and the distance between the driving roller 7 and the driven roller 8 is reduced, thereby driving the driving belt 6. The winding angle around the sheave 4 can be reduced.

したがって、押圧力調整台９と支持枠３との間隔を調整する機構や、駆動ローラ７と従動ローラ８との間隔を調整する機構が、本発明による駆動ベルトの巻き掛け角調整機構となる。   Therefore, the mechanism for adjusting the distance between the pressing force adjusting base 9 and the support frame 3 and the mechanism for adjusting the distance between the driving roller 7 and the driven roller 8 are the driving belt winding angle adjusting mechanism according to the present invention.

さらに、上記実施の形態においては、駆動ベルト６に凸条６Ａを設けて、駆動用シーブ４の外周面への接触とロープ溝４Ｇ内への接触によって駆動ベルト６による駆動用シーブ４への動力の伝達力を確保しているが、駆動用シーブ４のロープ溝４Ｇを除く外周面への駆動ベルト６の接触によって十分に伝達力が確保できるのであれば、駆動ベルト４が図３の矢印方向にずれたときにのみ、ロープ溝４Ｇに係合するような凸条としてもよく、さらには凸条６Ａを全く設けなくてもよい。   Further, in the above embodiment, the driving belt 6 is provided with the ridge 6A, and the power to the driving sheave 4 by the driving belt 6 by the contact with the outer peripheral surface of the driving sheave 4 and the contact with the rope groove 4G. However, if the drive belt 6 can sufficiently secure the contact force with the outer peripheral surface of the drive sheave 4 excluding the rope groove 4G, the drive belt 4 can move in the direction of the arrow in FIG. Only when it deviates, it is good also as a protruding item | line which engages with the rope groove 4G, and also it is not necessary to provide the protruding item | line 6A at all.

以上説明した実施形態によれば、駆動シーブ４の主ロープ５が巻き掛けられた範囲外の外周面に駆動ベルト６を押圧接触させることで、大きな動力伝達面を確保できるので、特許文献１，２の巻上機に比べて駆動用シーブへの動力の伝達力を十分に確保できる。また、主ロープ５と駆動ベルト６との接触をなくしたので、これらの接触による摩耗を無くすことができ、特許文献１の巻上機に比べての主ロープ５と駆動ベルト６の保守点検の間隔を延長することができる。   According to the embodiment described above, a large power transmission surface can be secured by pressing the drive belt 6 against the outer peripheral surface outside the range around which the main rope 5 of the drive sheave 4 is wound. Compared with the hoisting machine 2, the power transmission force to the driving sheave can be sufficiently secured. Further, since the contact between the main rope 5 and the drive belt 6 is eliminated, the wear due to these contacts can be eliminated, and the maintenance and inspection of the main rope 5 and the drive belt 6 compared with the hoisting machine of Patent Document 1 can be eliminated. The interval can be extended.

本発明によるエレベーター用巻上機の一実施の形態を示す側面図。The side view which shows one Embodiment of the hoisting machine for elevators by this invention. 図１のＡ−Ａ線に沿う一部破断右正面図。The partially broken right front view which follows the AA line of FIG. 図１の巻上機に適用される駆動用シーブと駆動ベルトの接触部の拡大断面図。The expanded sectional view of the contact part of the drive sheave and drive belt applied to the hoisting machine of FIG.

符号の説明Explanation of symbols

１…巻上機、２…支持台、３…支持枠、４…駆動用シーブ、４Ｇ…ロープ溝、５…主ロープ、６…駆動ベルト、６Ａ…凸条、７…駆動ローラ、８…従動ローラ、９…押圧力調整台、１０…駆動電動機と、１１Ａ，１１Ｂ…圧縮ばね、１２Ａ，１２Ｂ…案内手段。   DESCRIPTION OF SYMBOLS 1 ... Hoisting machine, 2 ... Support stand, 3 ... Support frame, 4 ... Drive sheave, 4G ... Rope groove, 5 ... Main rope, 6 ... Drive belt, 6A ... Projection, 7 ... Drive roller, 8 ... Driven Roller, 9 ... Pressure adjusting table, 10 ... Drive motor, 11A, 11B ... Compression spring, 12A, 12B ... Guiding means.

Claims (2)

駆動電動機の動力を駆動用シーブに伝達し、この駆動用シーブに主ロープを巻き掛けて乗かごを昇降させるように構成したエレベーター用巻上機において、前記駆動用シーブの主ロープ巻き掛け範囲外の外周に複数のローラによって無端状の駆動ベルトを巻き掛け、前記複数のローラの一つを前記駆動電動機によって駆動すると共に、前記駆動ベルトの前記駆動用シーブへの押圧力を発生させる押圧手段を設け、かつ、前記駆動ベルトの前記駆動用シーブへの押圧力を調整する押圧力調整手段として、前記複数のローラを回転自在に軸支する押圧力調整台を、昇降路内の固定部材に取付けられた支持材から上方に延在された支持枠に沿って移動させる案内手段を設けることで、前記押圧力調整台と支持枠との間隔を調整し、前記押圧力を調整するようにしたことを特徴とするエレベーター用巻上機。 In an elevator hoisting machine configured to transmit the power of the driving motor to the driving sheave and wrap the main rope around the driving sheave to raise and lower the passenger car, the driving sheave is out of the main rope wrapping range. A pressing means for winding an endless drive belt around the outer periphery of the belt by a plurality of rollers, driving one of the plurality of rollers by the drive motor, and generating a pressing force of the drive belt to the driving sheave; A pressing force adjusting base that rotatably supports the plurality of rollers is attached to a fixed member in the hoistway as a pressing force adjusting means for adjusting the pressing force of the driving belt to the driving sheave. By adjusting the distance between the pressing force adjusting base and the supporting frame by adjusting the pressing force by providing a guide means for moving the supporting member along the supporting frame extending upward from the supporting member. Elevator hoisting machine, characterized in that it was so that. 前記駆動ベルトは、駆動用シーブの外周に形成したロープ溝内に押圧される凸条を形成していることを特徴とする請求項１記載のエレベーター用巻上機。 The drive belt, elevator hoisting machine according to claim 1 Symbol mounting, characterized in that to form a ridge which is pressed into the rope groove formed in the outer periphery of the drive sheave.
JP2008332186A 2008-12-26 2008-12-26 Elevator hoisting machine Expired - Fee Related JP5303266B2 (en)

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JP2004262651A (en) * 2002-09-11 2004-09-24 Inventio Ag Elevator, maintenance method for elevator, method for updating elevator, and clamp device for elevator
JP4226894B2 (en) * 2002-12-26 2009-02-18 東芝エレベータ株式会社 Elevator rope traction increase device
WO2006001075A1 (en) * 2004-06-25 2006-01-05 Mitsubishi Denki Kabushiki Kaisha Elevator
JP5627829B2 (en) * 2005-10-21 2014-11-19 インベンテイオ・アクテイエンゲゼルシヤフトＩｎｖｅｎｔｉｏ Ａｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ Support means system with drive pulley and support means, and elevator installation with such support means system
JP4802844B2 (en) * 2006-04-25 2011-10-26 株式会社日立製作所 Elevator equipment

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