WO2009154059A1 - Flat hoist for elevator - Google Patents

Flat hoist for elevator Download PDF

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Publication number
WO2009154059A1
WO2009154059A1 PCT/JP2009/059604 JP2009059604W WO2009154059A1 WO 2009154059 A1 WO2009154059 A1 WO 2009154059A1 JP 2009059604 W JP2009059604 W JP 2009059604W WO 2009154059 A1 WO2009154059 A1 WO 2009154059A1
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WO
WIPO (PCT)
Prior art keywords
brake drum
sheave
groove
support member
rotor
Prior art date
Application number
PCT/JP2009/059604
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French (fr)
Japanese (ja)
Inventor
慶 豊川
Original Assignee
株式会社明電舎
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Publication date
Application filed by 株式会社明電舎 filed Critical 株式会社明電舎
Priority to CN200980122500.XA priority Critical patent/CN102066228B/en
Publication of WO2009154059A1 publication Critical patent/WO2009154059A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
    • B66B11/0438—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with a gearless driving, e.g. integrated sheave, drum or winch in the stator or rotor of the cage motor

Definitions

  • This invention relates to a flat elevator hoisting machine.
  • FIG. 3 (a) and 3 (b) are a front view and a longitudinal side view of a conventional flat elevator hoist shown in Patent Document 1 and the like, and FIG. 4 is an enlarged view of part A in FIG. 3 (b).
  • Reference numeral 1 denotes a support member, which includes a hollow shaft portion 1a and a disk-shaped fixing portion 1b extending radially from one end of the shaft portion 1a, and is fixed to an elevator hoistway or the like.
  • the rotor 2 is configured by providing a permanent magnet 4 on the outer periphery of the rotor core 3, and the rotor 2 is rotatably supported by the shaft portion 1 a of the support member 1 through a bearing 5.
  • a sheave 6 is fitted and fixed to the protruding small-diameter portion 3a formed on one end of the rotor core 3, and a rope groove 6a is formed on the outer periphery of the sheave 6, and the rope groove 6a passes through the elevator hoistway.
  • a rope 7 for suspending the elevator car is wound.
  • a brake drum 8 having a diameter larger than that of the sheave 6 is formed at an end portion and an outer peripheral portion of the rotor core 3 on the small diameter portion 3a side.
  • the outer diameter of the brake drum 8 is larger than that of the rotor 2 and Smaller than.
  • the stator 11 includes a stator core 9 and a stator winding 10, and the stator core 9 is integrally attached to the support member 1 with mounting bolts 12.
  • a brake drum cover 13 that covers the side surface of the brake drum 8 is attached to the side surface of the support member 1 on the sheave 6 side.
  • the motor part of the hoisting machine composed of the stator 11 and the rotor 2 is a flat type whose core length is extremely short compared to the core diameter. Further, a brake pad (not shown) is engaged with the brake drum 8, and the rotor 2, that is, the hoisting machine is braked.
  • the brake drum cover 13 that covers the side surface of the brake drum 8 is provided on the side surface of the support member 1 on the sheave 6 side, and the inner diameter of the brake drum cover 13 is that of the sheave 6. Since it is larger than the outer diameter, the oil contained in the rope 7 wound around the rope groove 6a on the outer periphery of the sheave 6 passes between the outer periphery of the sheave 6 and the inner periphery of the brake drum cover 13, and the brake drum 8 The oil adhering to the side surface of the brake drum 8 flows to the sliding surface with the brake pad on the outer periphery of the brake drum 8 due to the centrifugal force, and there is a fear that the brake force is remarkably reduced. .
  • the present invention has been made to solve the above-described problems, and prevents the oil contained in the rope for suspending the car from adhering to the side surface of the brake drum, thereby reducing the braking force.
  • An object is to obtain a flat elevator hoisting machine that can be prevented.
  • a rotor having a smaller diameter than the support member is rotatably supported by the support member via a bearing, the stator is fixed to the support member, and the small diameter portion from which the rotor protrudes is fixed.
  • a flat elevator hoisting machine having a brake drum cover that covers the side surface of the brake drum on the side surface a groove is provided in the brake drum side portion of the sheave, and the inner end of the brake drum cover is inserted into this groove.
  • an outwardly folded portion is provided at the inner end of the brake drum cover, and a storage portion for accommodating the folded portion is provided in the groove.
  • a groove is provided in the brake drum side portion of the sheave, and the inner end of the brake drum cover is inserted into this groove, and the brake drum cover is positioned between the rope and the side surface of the brake drum.
  • the brake drum cover inserted into the groove of the sheave is formed with an outwardly folded portion at the inner end, and the storage portion for accommodating the folded portion is provided in the groove.
  • the oil is prevented from adhering to the side surface of the brake drum cover by the brake drum cover located between the rope and the brake drum, and the folded portion of the inner end of the brake drum cover and the folded portion of the groove of the sheave groove are prevented. This also prevents the oil from adhering to the side surface and the peripheral surface of the brake drum cover, and more reliably prevents the brake force from decreasing.
  • FIG. 1 is a partially enlarged view of a longitudinal side surface of a flat elevator hoist according to Embodiment 1 of the present invention.
  • FIG. 6 is a partially enlarged view of a vertical side surface of a flat elevator hoist according to a second embodiment.
  • FIG. 1 is a partially enlarged view of a longitudinal side surface of a flat elevator hoisting machine according to Embodiment 1 of the present invention.
  • 1 is a brake drum cover attached to a side surface of the sheave 6 side.
  • the brake drum cover 14 covers the side surface of the brake drum 8, and the inner end thereof is inserted into the groove 6b.
  • Other configurations are the same as those of the prior art.
  • the inner end of the brake drum cover 14 is inserted into the groove 6b provided in the portion of the sheave 6 on the brake drum 8 side, and the gap between the rope 7 and the side surface of the brake drum 8 is the brake drum. It is partitioned by the cover 14, and the oil of the rope 7 can be prevented from adhering to the side surface and the peripheral surface of the brake drum 8, and the brake force can be prevented from being lowered.
  • FIG. 2 is a partially enlarged view of a longitudinal side surface of a flat elevator hoist according to Embodiment 2 of the present invention.
  • Reference numeral 6c denotes a groove provided on the brake drum 8 side of the sheave 6; It is the brake drum cover attached to the side surface of the sheave 6 side.
  • the brake drum cover 15 covers the side surface of the brake drum 8, and an inner end thereof is inserted into the groove 6c, and an outward folded portion 15a is formed.
  • the folded portion 15a is a storage portion 6d formed in the groove 6c. It is stored in.
  • Other configurations are the same as those of the prior art.
  • the inner end of the brake drum cover 15 is inserted into the groove 6c of the sheave 6, and an outwardly folded portion 15a is formed.
  • the folded portion 15a is a storage portion formed in the groove 6c. 6d, the oil of the rope 7 is prevented from adhering to the side surface and the peripheral surface of the brake drum 8 by the brake drum cover 15 provided between the rope 7 and the brake drum 8, and the brake drum cover 15
  • the folded portion 15a at the inner end and the storage portion 6d of the groove 6c prevent the oil of the rope 7 from adhering to the side surface of the brake drum 8, and the oil adheres more reliably to the side surface and peripheral surface of the brake drum 8. Therefore, a decrease in braking force is surely prevented.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

A rotor having a smaller diameter than a support member is rotatably supported on the support member through a bearing.  A stator is fixed to the support member.  A sheave having in the outer periphery thereof a rope groove around which a rope is wound is mounted to a projecting small-diameter section of the rotor.  A brake drum having a greater diameter than the sheave is formed on the rotor.  A brake drum cover for covering a side surface of the brake drum is mounted to that side surface of the support member which is on the sheave side.  A groove is formed in that portion of the sheave which is on the brake drum side, and the inner end of the brake drum cover is inserted in the groove.

Description

偏平形エレベータ用巻上機Flat elevator hoisting machine
　この発明は、偏平形エレベータ用巻上機に関するものである。 This invention relates to a flat elevator hoisting machine.
　図３（ａ），（ｂ）は特許文献１等に示された従来の偏平形エレベータ用巻上機の正面図及び縦断側面図、図４は図３（ｂ）のＡ部拡大図を示し、１は支持部材であり、中空の軸部１ａと、軸部１ａの一端から径方向に広がった円板状の固定部１ｂとからなり、エレベータ昇降路等に固定される。回転子２は回転子鉄心３の外周に永久磁石４を設けて構成され、回転子２は軸受５を介して支持部材１の軸部１ａに回転自在に支持される。回転子鉄心３の一端側に形成された突出した小径部３ａにはシーブ６が嵌合固定され、シーブ６の外周にはロープ溝６ａが形成され、このロープ溝６ａにはエレベータ昇降路内を昇降する乗りかごを吊り下げるためのロープ７が巻回される。 3 (a) and 3 (b) are a front view and a longitudinal side view of a conventional flat elevator hoist shown in Patent Document 1 and the like, and FIG. 4 is an enlarged view of part A in FIG. 3 (b). Reference numeral 1 denotes a support member, which includes a hollow shaft portion 1a and a disk-shaped fixing portion 1b extending radially from one end of the shaft portion 1a, and is fixed to an elevator hoistway or the like. The rotor 2 is configured by providing a permanent magnet 4 on the outer periphery of the rotor core 3, and the rotor 2 is rotatably supported by the shaft portion 1 a of the support member 1 through a bearing 5. A sheave 6 is fitted and fixed to the protruding small-diameter portion 3a formed on one end of the rotor core 3, and a rope groove 6a is formed on the outer periphery of the sheave 6, and the rope groove 6a passes through the elevator hoistway. A rope 7 for suspending the elevator car is wound.
　又、回転子鉄心３の小径部３ａ側端部及び外周部にはシーブ６より太径のブレーキドラム８が形成され、ブレーキドラム８の外径は回転子２より大きく、支持部材１の外径より小さい。一方、固定子１１は固定子鉄心９と固定子巻線１０から構成され、固定子鉄心９は支持部材１に取付ボルト１２により一体的に取り付けられる。又、支持部材１のシーブ６側側面には、ブレーキドラム８の側面を覆うブレーキドラムカバー１３が取り付けられる。 Further, a brake drum 8 having a diameter larger than that of the sheave 6 is formed at an end portion and an outer peripheral portion of the rotor core 3 on the small diameter portion 3a side. The outer diameter of the brake drum 8 is larger than that of the rotor 2 and Smaller than. On the other hand, the stator 11 includes a stator core 9 and a stator winding 10, and the stator core 9 is integrally attached to the support member 1 with mounting bolts 12. A brake drum cover 13 that covers the side surface of the brake drum 8 is attached to the side surface of the support member 1 on the sheave 6 side.
　固定子１１と回転子２からなる巻上機のモータ部分は鉄心径に比べて鉄心長が極端に短い偏平形となっている。又、図示しないブレーキパッドがブレーキドラム８に係合し、回転子２、即ち巻上機は制動される。 The motor part of the hoisting machine composed of the stator 11 and the rotor 2 is a flat type whose core length is extremely short compared to the core diameter. Further, a brake pad (not shown) is engaged with the brake drum 8, and the rotor 2, that is, the hoisting machine is braked.
特開２００３－１３４７６８号公報JP 2003-134768 A
　前記した従来の偏平形エレベータ用巻上機においては、支持部材１のシーブ６側側面に、ブレーキドラム８の側面を覆うブレーキドラムカバー１３が設けられ、しかもブレーキドラムカバー１３の内径がシーブ６の外径より大きいため、シーブ６の外周のロープ溝６ａに巻回されたロープ７に含まれている油がシーブ６の外周とブレーキドラムカバー１３の内周との間を通って、ブレーキドラム８の側面に付着する可能性が高く、このブレーキドラム８の側面に付着した油は遠心力によりブレーキドラム８の外周のブレーキパッドとの摺動面に流れ、ブレーキ力を著しく減少させる恐れがあった。 In the conventional flat elevator hoist described above, the brake drum cover 13 that covers the side surface of the brake drum 8 is provided on the side surface of the support member 1 on the sheave 6 side, and the inner diameter of the brake drum cover 13 is that of the sheave 6. Since it is larger than the outer diameter, the oil contained in the rope 7 wound around the rope groove 6a on the outer periphery of the sheave 6 passes between the outer periphery of the sheave 6 and the inner periphery of the brake drum cover 13, and the brake drum 8 The oil adhering to the side surface of the brake drum 8 flows to the sliding surface with the brake pad on the outer periphery of the brake drum 8 due to the centrifugal force, and there is a fear that the brake force is remarkably reduced. .
　この発明は上記のような課題を解決するために成されたものであり、乗りかごを吊り下げるためのロープに含まれる油がブレーキドラムの側面に付着するのを防止し、ブレーキ力の減少を防止することができる偏平形エレベータ用巻上機を得ることを目的とする。 The present invention has been made to solve the above-described problems, and prevents the oil contained in the rope for suspending the car from adhering to the side surface of the brake drum, thereby reducing the braking force. An object is to obtain a flat elevator hoisting machine that can be prevented.
　この発明の一つの観点によれば、支持部材に軸受を介して支持部材より小径の回転子を回転自在に支持するとともに、支持部材に固定子を固定し、かつ回転子の突出した小径部に外周にエレベータ昇降路内を昇降する乗りかごを吊り下げるためのロープが巻回されたロープ溝を有するシーブを取り付けるとともに、回転子にシーブより大径のブレーキドラムを形成し、支持部材のシーブ側側面にブレーキドラムの側面を覆うブレーキドラムカバーを取り付けた偏平形エレベータ用巻上機において、シーブのブレーキドラム側部分に溝を設け、この溝にブレーキドラムカバーの内端を挿入したものである。 According to one aspect of the present invention, a rotor having a smaller diameter than the support member is rotatably supported by the support member via a bearing, the stator is fixed to the support member, and the small diameter portion from which the rotor protrudes is fixed. A sheave having a rope groove around which a rope for suspending the elevator car that moves up and down in the elevator hoistway is attached to the outer periphery, and a brake drum larger in diameter than the sheave is formed on the rotor, and the sheave side of the support member In a flat elevator hoisting machine having a brake drum cover that covers the side surface of the brake drum on the side surface, a groove is provided in the brake drum side portion of the sheave, and the inner end of the brake drum cover is inserted into this groove.
　また、本発明の別の観点によれば、前記ブレーキドラムカバーの内端に外側への折り返し部を設けるとともに、前記溝に該折り返し部を収納する収納部を設けたものである。 Further, according to another aspect of the present invention, an outwardly folded portion is provided at the inner end of the brake drum cover, and a storage portion for accommodating the folded portion is provided in the groove.
　以上のような観点によれば、シーブのブレーキドラム側部分に溝を設け、この溝にブレーキドラムカバーの内端を挿入しており、ロープとブレーキドラムの側面との間にブレーキドラムカバーが位置しており、ロープの油がブレーキドラムの側面に付着するのを防止することができ、油がブレーキドラムの外周面に付着するのが防止され、ブレーキ力の減少が防止される。 According to the above viewpoint, a groove is provided in the brake drum side portion of the sheave, and the inner end of the brake drum cover is inserted into this groove, and the brake drum cover is positioned between the rope and the side surface of the brake drum. Thus, the oil of the rope can be prevented from adhering to the side surface of the brake drum, the oil is prevented from adhering to the outer peripheral surface of the brake drum, and the brake force is prevented from decreasing.
　また、別の観点によれば、シーブの溝に挿入されるブレーキドラムカバーの内端に外側への折り返し部を形成するとともに、前記溝に該折り返し部を収納する収納部を設けており、ロープの油のブレーキドラムカバーの側面への付着は、ロープとブレーキドラムとの間に位置するブレーキドラムカバーによって阻止されるとともに、ブレーキドラムカバーの内端の折り返し部とシーブの溝の該折り返し部の収納部とによっても阻止され、油のブレーキドラムカバーの側面及び周面への付着は一層確実に防止され、ブレーキ力の減少はさらに確実に防止される。 According to another aspect, the brake drum cover inserted into the groove of the sheave is formed with an outwardly folded portion at the inner end, and the storage portion for accommodating the folded portion is provided in the groove. The oil is prevented from adhering to the side surface of the brake drum cover by the brake drum cover located between the rope and the brake drum, and the folded portion of the inner end of the brake drum cover and the folded portion of the groove of the sheave groove are prevented. This also prevents the oil from adhering to the side surface and the peripheral surface of the brake drum cover, and more reliably prevents the brake force from decreasing.
この発明の実施最良形態１による偏平形エレベータ用巻上機の縦断側面一部拡大図である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a partially enlarged view of a longitudinal side surface of a flat elevator hoist according to Embodiment 1 of the present invention.
実施最良形態２による偏平形エレベータ用巻上機の縦断側面一部拡大図である。FIG. 6 is a partially enlarged view of a vertical side surface of a flat elevator hoist according to a second embodiment.
特許文献１等に示された従来の偏平形エレベータ用巻上機の正面図及び縦断側面図である。It is the front view and vertical side view of the conventional flat type elevator hoist shown by patent documents 1 grade.
図３（ｂ）のＡ部拡大図である。It is the A section enlarged view of Drawing 3 (b).
　実施形態１
　以下、この発明を実施するための最良の形態を図面とともに説明する。図１はこの発明の実施最良形態１による偏平形エレベータ用巻上機の縦断側面一部拡大図を示し、６ｂはシーブ６のブレーキドラム８側部分に設けられた溝であり、１４は支持部材１のシーブ６側側面に取り付けられたブレーキドラムカバーである。ブレーキドラムカバー１４はブレーキドラム８の側面を覆い、その内端は溝６ｂに挿入されている。その他の構成は従来と同様である。 Embodiment 1
The best mode for carrying out the present invention will be described below with reference to the drawings. FIG. 1 is a partially enlarged view of a longitudinal side surface of a flat elevator hoisting machine according to Embodiment 1 of the present invention. 1 is a brake drum cover attached to a side surface of the sheave 6 side. The brake drum cover 14 covers the side surface of the brake drum 8, and the inner end thereof is inserted into the groove 6b. Other configurations are the same as those of the prior art.
　実施最良形態１によれば、ブレーキドラムカバー１４の内端をシーブ６のブレーキドラム８側部分に設けられた溝６ｂに挿入しており、ロープ７とブレーキドラム８の側面との間はブレーキドラムカバー１４により仕切られており、ロープ７の油がブレーキドラム８の側面や周面に付着するのを防止することができ、ブレーキ力の低下を防止することができる。 According to the first embodiment, the inner end of the brake drum cover 14 is inserted into the groove 6b provided in the portion of the sheave 6 on the brake drum 8 side, and the gap between the rope 7 and the side surface of the brake drum 8 is the brake drum. It is partitioned by the cover 14, and the oil of the rope 7 can be prevented from adhering to the side surface and the peripheral surface of the brake drum 8, and the brake force can be prevented from being lowered.
　実施形態２
　図２はこの発明の実施最良形態２による偏平形エレベータ用巻上機の縦断側面一部拡大図を示し、６ｃはシーブ６のブレーキドラム８側に設けられて溝であり、１５は支持部材１のシーブ６側側面に取り付けられたブレーキドラムカバーである。ブレーキドラムカバー１５はブレーキドラム８の側面を覆い、その内端は溝６ｃに挿入されるとともに、外側への折り返し部１５ａが形成され、この折り返し部１５ａは前記溝６ｃに形成された収納部６ｄに収納される。その他の構成は従来と同様である。 Embodiment 2
FIG. 2 is a partially enlarged view of a longitudinal side surface of a flat elevator hoist according to Embodiment 2 of the present invention. Reference numeral 6c denotes a groove provided on the brake drum 8 side of the sheave 6; It is the brake drum cover attached to the side surface of the sheave 6 side. The brake drum cover 15 covers the side surface of the brake drum 8, and an inner end thereof is inserted into the groove 6c, and an outward folded portion 15a is formed. The folded portion 15a is a storage portion 6d formed in the groove 6c. It is stored in. Other configurations are the same as those of the prior art.
　実施最良形態２によれば、ブレーキドラムカバー１５の内端はシーブ６の溝６ｃに挿入されるとともに、外側への折り返し部１５ａが形成され、この折り返し部１５ａは溝６ｃに形成された収納部６ｄに収納されており、ロープ７の油はロープ７とブレーキドラム８との間に設けられたブレーキドラムカバー１５によりブレーキドラム８の側面や周面への付着が防止され、またブレーキドラムカバー１５の内端の折り返し部１５ａと溝６ｃの収納部６ｄとによってもロープ７の油のブレーキドラム８の側面への付着が防止され、ブレーキドラム８の側面や周面への油の付着が一層確実に防止され、ブレーキ力の減少は確実に防止される。 According to the second embodiment, the inner end of the brake drum cover 15 is inserted into the groove 6c of the sheave 6, and an outwardly folded portion 15a is formed. The folded portion 15a is a storage portion formed in the groove 6c. 6d, the oil of the rope 7 is prevented from adhering to the side surface and the peripheral surface of the brake drum 8 by the brake drum cover 15 provided between the rope 7 and the brake drum 8, and the brake drum cover 15 Also, the folded portion 15a at the inner end and the storage portion 6d of the groove 6c prevent the oil of the rope 7 from adhering to the side surface of the brake drum 8, and the oil adheres more reliably to the side surface and peripheral surface of the brake drum 8. Therefore, a decrease in braking force is surely prevented.
　１…支持部材
　２…回転子
　３…回転子鉄心
　３ａ…小径部
　５…軸受
　６…シーブ
　６ａ…ロープ溝
　６ｂ、６ｃ…溝
　６ｄ…収納部
　７…ロープ
　８…ブレーキドラム
　１１…固定子
　１４，１５…ブレーキドラムカバー
　１５ａ…折り返し部 DESCRIPTION OF SYMBOLS 1 ... Support member 2 ... Rotor 3 ... Rotor core 3a ... Small diameter part 5 ... Bearing 6 ... Sheave 6a ... Rope groove 6b, 6c ... Groove 6d ... Storage part 7 ... Rope 8 ... Brake drum 11 ... Stator 14,15 ... Brake drum cover 15a ... Folding part

Claims (2)

  1. 　支持部材に軸受を介して支持部材より小径の回転子を回転自在に支持するとともに、支持部材に固定子を固定し、かつ回転子の突出した小径部に外周にエレベータ昇降路内を昇降する乗りかごを吊り下げるためのロープが巻回されたロープ溝を有するシーブを取り付けるとともに、回転子にシーブより大径のブレーキドラムを形成し、支持部材のシーブ側側面にブレーキドラムの側面を覆うブレーキドラムカバーを取り付けた偏平形エレベータ用巻上機において、シーブのブレーキドラム側部分に溝を設け、この溝にブレーキドラムカバーの内端を挿入したことを特徴とする偏平形エレベータ用巻上機。 A support member that rotatably supports a rotor having a smaller diameter than the support member via a bearing, and that fixes the stator to the support member, and moves up and down the elevator hoistway to the outer periphery of the small-diameter portion protruding from the rotor. A brake drum having a rope groove around which a rope for suspending a car is wound is attached, a brake drum having a larger diameter than the sheave is formed on the rotor, and the side surface of the brake drum is covered on the side surface of the sheave of the support member A flat type elevator hoisting machine having a cover attached thereto, wherein a groove is provided on a brake drum side portion of the sheave, and an inner end of the brake drum cover is inserted into the groove.
  2. 　前記ブレーキドラムカバーの内端に外側への折り返し部を形成するとともに、前記溝に該折り返し部を収納する収納部を設けたことを特徴とする請求項１記載の偏平形エレベータ用巻上機。 2. The flat elevator hoisting machine according to claim 1, wherein a folding portion is formed on the inner end of the brake drum cover and an accommodating portion for accommodating the folding portion is provided in the groove.
PCT/JP2009/059604 2008-06-16 2009-05-26 Flat hoist for elevator WO2009154059A1 (en)

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JP2008156091A JP5458512B2 (en) 2008-06-16 2008-06-16 Flat elevator hoisting machine
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CN103159116B (en) * 2013-03-29 2015-08-19 广州广日电梯工业有限公司 Plate-type composite steel belt leading sheave

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JP2004299824A (en) * 2003-03-31 2004-10-28 Otis Elevator Co Elevator hoisting machine
JP2004338915A (en) * 2003-05-19 2004-12-02 Hitachi Ltd Hoisting machine for elevator
JP2005053672A (en) * 2003-08-06 2005-03-03 Mitsubishi Electric Corp Braking device of hoisting machine for elevator
JP2005104620A (en) * 2003-09-29 2005-04-21 Mitsubishi Electric Corp Elevator hoisting machine
JP2006027786A (en) * 2004-07-14 2006-02-02 Mitsubishi Electric Corp Hoisting machine for elevator

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