JP4619713B2 - Elevator hoisting machine - Google Patents

Elevator hoisting machine Download PDF

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Publication number
JP4619713B2
JP4619713B2 JP2004208434A JP2004208434A JP4619713B2 JP 4619713 B2 JP4619713 B2 JP 4619713B2 JP 2004208434 A JP2004208434 A JP 2004208434A JP 2004208434 A JP2004208434 A JP 2004208434A JP 4619713 B2 JP4619713 B2 JP 4619713B2
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sheave
hoisting machine
outer peripheral
rotor
annular body
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JP2006027803A (en
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孝教 小松
敏則 田中
俊行 馬場
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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この発明は、エレベータの乗りかごを昇降させるエレベータ用巻上機に関するものである。   The present invention relates to an elevator hoisting machine that raises and lowers an elevator car.

従来のエレベータ用巻上機においては、径が幅よりも大きな薄型扁平ブラシレスＤＣモータを昇降路内に配置するエレベータ装置において、モータは固定子と回転子のギャップが径方向にあるラジアルギャップ型で、すべての固定子コイルを二つのティースにまたがらず一つのティースの回りに夫々巻いた所謂集中巻きとすることで、コイルエンドの張出しを小さくして薄型にしたものがある（例えば、特許文献１参照）。
また、他のエレベータ用巻上機としては、例えば、特許文献２〜４等が知られている。 In a conventional elevator hoist, in an elevator apparatus in which a thin flat brushless DC motor having a diameter larger than the width is arranged in a hoistway, the motor is a radial gap type in which a gap between a stator and a rotor is in a radial direction. In addition, there is a type in which all the stator coils are so-called concentrated windings that are wound around one tooth without spanning two teeth, so that the coil end overhang is made small and thin (for example, Patent Documents) 1).
As other elevator hoisting machines, for example, Patent Documents 2 to 4 are known.

特許第３３７４７００号公報Japanese Patent No. 3374700 特開平９−１４２７６１号公報JP-A-9-142761 特開平１２−３０２３６０号公報JP-A-12-302360 特開平１−１８７１８７号公報JP-A-1-187187

特許文献１記載のものは、集中巻モータの欠点であるトルクリップルを抑えるためにも極数を上げなければならないが、そうすると駆動周波数が高くなるため、制御が難しくなり、騒音が発生し易くなる。また、特許文献２記載のものは、薄型大径では、巻上機軸方向長さの中でコイルエンド長が占める割合が大きくなってしまい、銅損も大きくなる。また、特許文献３、４記載のものは、綱車の内側にアウターロータ形モータを内蔵する方式であるので、所要トルクが決まれば、通常のモータでは、効率と温度上昇、その他トルク特性を維持するためには、モータの径の２乗とその長さがほぼ決まってしまい、綱車の内側にモータを配置すると、現実的にはロープを巻き掛ける綱溝部の幅よりもモータが長くなってしまうという問題があった。   Although the thing of patent document 1 must raise a pole number also in order to suppress the torque ripple which is a fault of a concentrated winding motor, in that case, since a drive frequency becomes high, control becomes difficult and it becomes easy to generate | occur | produce a noise. . Moreover, in the thing of patent document 2, in the thin large diameter, the ratio which a coil end length occupies in the length of a winding machine axial direction will become large, and a copper loss will also become large. Patent Documents 3 and 4 describe a method in which an outer rotor type motor is built inside the sheave, so that if the required torque is determined, the efficiency and temperature rise and other torque characteristics are maintained in a normal motor. In order to do this, the square of the motor diameter and its length are almost determined, and if the motor is placed inside the sheave, the motor will actually be longer than the width of the sheave groove around which the rope is wound. There was a problem that.

この発明は、上述のような課題を解決するためになされたもので、高効率、低トルクリップル、低騒音を達成することができる小型のエレベータ用巻上機を提供するものである。   The present invention has been made to solve the above-described problems, and provides a small elevator hoisting machine that can achieve high efficiency, low torque ripple, and low noise.

この発明に係るエレベータ用巻上機においては、巻上機固定部に固定された軸受と、軸受に両端部を回転自在に支持された回転軸と、回転軸の中央部に設けられたボス部と、ボス部の外側に放射状に設けられた第１のスポークを介して支持された第２のロータを構成する内側環状体と、内側環状体の外側に放射状に設けられ、ボビン状の第２のスポークを介して支持された第１のロータを構成する外側環状体からなり外周面に主索が巻き掛けられる綱溝を有する綱車と、綱車の軸方向両端部にそれぞれ固定され、外方周端部が制動面となるブレーキディスクと、巻上機固定部の外周端部の外方内側面に取り付けられ、制動面と対向するブレーキシューが設けられたブレーキ装置と、綱車の内周面の両端部及び内側環状体の外周面の両端部にそれぞれ設けられたロータ磁石と、外方端部が巻上機固定部の外周部内側面にそれぞれ固定され、内方端部が綱車と内側環状体との間に位置するボビン状の第２のスポークの両側部の凹部に収納され、ロータ磁石間に配置されたトロイダル巻線モータのステータとを備えたエレベータ用巻上機であって、トロイダル巻線モータのステータは、複数のトロイダル巻線を備えており、ステータの内周側と外周側にはそれぞれロータ磁石が配置され内外両側のギャップで駆動トルクを発生するものである。


In the elevator hoisting machine according to the present invention, a bearing fixed to the hoisting machine fixing portion, a rotating shaft having both ends rotatably supported by the bearing, and a boss portion provided at a central portion of the rotating shaft And an inner annular body constituting a second rotor supported via first spokes provided radially outside the boss portion, and a second bobbin-like second body provided radially outside the inner annular body. A sheave having an outer annular body that constitutes the first rotor supported through the spokes of the main body and having a sheave groove around which the main rope is wound around the outer peripheral surface, and fixed to both ends of the sheave in the axial direction. A brake disc having a braking end as a braking surface, a brake device attached to an outer inner surface of the outer peripheral end of the hoisting machine fixing portion, and provided with a brake shoe facing the braking surface; It is attached to both ends of the peripheral surface and both ends of the outer peripheral surface of the inner annular body. A second bobbin-shaped rotor magnet and an outer end portion fixed to the inner peripheral surface of the outer peripheral portion of the hoisting machine fixing portion, and an inner end portion positioned between the sheave and the inner annular body. And a toroidal winding motor stator housed in recesses on both sides of the spokes and disposed between the rotor magnets, wherein the toroidal winding motor stator comprises a plurality of toroidal windings The rotor magnets are disposed on the inner and outer peripheral sides of the stator, respectively, and drive torque is generated in the gaps on both the inner and outer sides .


この発明によれば、モータは、複数のトロイダル巻線を備えたトロイダル巻線モータであって、トロイダル巻線モータのロータは、綱車を構成する第１のロータの内周面及び第１のロータの内側に所定の間隔を置いて配置された第２のロータの外周面にそれぞれ配置され、トロイダル巻線モータのステータは、その一部が巻上機固定部に固定され、第１のロータ部の内周面と第２のロータの外周面との間に形成される空間内に収容配置されているので、綱車軸方向の長さを小さくすることができ、最高レベルの小型化が可能となる。   According to this invention, the motor is a toroidal winding motor having a plurality of toroidal windings, and the rotor of the toroidal winding motor includes the inner peripheral surface of the first rotor and the first rotor constituting the sheave. The stator of the toroidal winding motor is arranged on the outer peripheral surface of the second rotor arranged at a predetermined interval inside the rotor, and a part of the stator of the toroidal winding motor is fixed to the hoisting machine fixing portion. Is accommodated in the space formed between the inner peripheral surface of the part and the outer peripheral surface of the second rotor, so that the length in the sheave shaft direction can be reduced, and the highest level of miniaturization is possible It becomes.

実施の形態１．
図１はこの発明を実施するための実施の形態１におけるエレベータ用巻上機の概略構造を示す縦断面図、図２はこの発明の実施の形態１におけるエレベータ用巻上機に用いられるトロイダル巻線モータの巻線部の構造を示す斜視図である。
図において、この発明のエレベータ用巻上機は、ベース１上にそれぞれ間隔を置いて両側に立設固定された巻上機固定部である軸受台ハウジング２と、この各軸受台ハウジング２の中央部に固定された軸受３と、この各軸受３に両端部を回転自在に支持された回転軸４と、この回転軸４の中央部に設けられたボス部５と、このボス部５の外側に放射状に設けられたスポーク６を介して支持された第２のロータを構成する内側環状体７と、この内側環状体７の外側に放射状に設けられかつ正面視がボビン状（臼状）のスポーク８を介して支持された第１のロータを構成する外側環状体から成る綱車９と、この綱車９の外周面に形成され、主索（図示せず）が巻き掛けられる綱溝９ａと、この綱車９の軸方向両端部にそれぞれ固定され、その外方周端部が制動面１０ａとなるブレーキディスク１０と、上記軸受台ハウジング２の外周端部の外方内側面に取り付けられ、制動面１０ａと対向するブレーキシュー１１ａが設けられたブレーキ装置１１と、上記綱車９の内周面の両端部及び内側環状体７の外周面の両端部にそれぞれ設けられたロータ磁石１２と、外方端部が上記軸受台ハウジング２の外周部内側面にそれぞれ固定され、内方端部が上記綱車９と内側環状体７との間に位置するボビン状（臼状）のスポーク８の両側部の凹部に収納され、かつ上記ロータ磁石１２間に配置されたトロイダル巻線モータのステータ１３とを備えた構成である。なお、図中、１４は回転軸４の一端部に取り付けられたエンコ−ダ、１５はエンコーダ取り付け台である。 Embodiment 1 FIG.
1 is a longitudinal sectional view showing a schematic structure of an elevator hoisting machine according to Embodiment 1 for carrying out the present invention, and FIG. 2 is a toroidal hoisting used for the elevator hoisting machine according to Embodiment 1 of the present invention. It is a perspective view which shows the structure of the coil | winding part of a wire motor.
Referring to the drawing, an elevator hoist according to the present invention includes a bearing base housing 2 which is a hoisting machine fixing portion fixed upright on both sides of a base 1 at intervals, and the center of each bearing base housing 2. A bearing 3 fixed to each part, a rotating shaft 4 rotatably supported at both ends by each bearing 3, a boss part 5 provided at the center of the rotating shaft 4, and an outer side of the boss part 5 An inner annular body 7 constituting a second rotor supported via spokes 6 provided radially, and radially provided on the outer side of the inner annular body 7 and having a bobbin shape (mortar shape) when viewed from the front. A sheave 9 made of an outer annular body that constitutes a first rotor supported via spokes 8 and a sheave groove 9a formed on the outer peripheral surface of the sheave 9 and around which a main rope (not shown) is wound. And fixed to both ends of the sheave 9 in the axial direction. The brake disc 10 having an end portion serving as a braking surface 10a, the brake device 11 provided on the outer inner side surface of the outer peripheral end portion of the bearing housing 2 and provided with a brake shoe 11a facing the braking surface 10a; Rotor magnets 12 provided at both ends of the inner peripheral surface of the sheave 9 and both ends of the outer peripheral surface of the inner annular body 7, and outer end portions are respectively fixed to the inner surface of the outer peripheral portion of the bearing housing 2; A toroidal winding in which inner end portions are accommodated in recesses on both sides of a bobbin-shaped (mortar-shaped) spoke 8 positioned between the sheave 9 and the inner annular body 7 and disposed between the rotor magnets 12. It is the structure provided with the stator 13 of the wire motor. In the figure, reference numeral 14 denotes an encoder attached to one end of the rotary shaft 4, and 15 denotes an encoder mounting base.

上記トロイダル巻線モータのステータ１３は、図２に示すような構造のトロイダル巻線１３ａを備えており、ステータコアにエナメル線を巻き付けるため、コイルエンドが短い構成で済むものである。従って、一般的な集中巻きモータのように、極数とスロット数の組み合わせにあまり制限が無いので、高性能を確保することが容易である。そして、ステータの内周側と外周側にはそれぞれロータ磁石１２が配置されており、内外両側のギャップで駆動トルクを発生するので、従来の片側のみの場合に比べ、同じ径の通常のモータに対して、同じ効率で軸方向長さを約半分にすることができる。また、第１及び第２のロータから成る２つのロータの位相差を適切にずらせば、それぞれで発生するトルクリップルがキャンセルされて低トルクリップルとすることができる。
通常のモータでは、綱車の内側にモータを配置することは、現実的に困難であるが、トロイダル巻線モータのステータ１３によれば、上記のような特徴を持つことから、それが比較的容易である。図１に示すように、綱車９内部の構造物を極力縮めることにより、その部分にステータとロータ磁石を配置することができる。ステータは巻上機固定部である２つの軸受台ハウジング２に取り付けられ、その軸方向は綱車９の内部に入り込んだ構造である。また、ステータの内周側と外周側に界磁極を構成する永久磁石を、それぞれ第１のロータを構成する綱車９の内周側両端部と、第２のロータを構成する内側環状体７の外周側両端部に配置したものである。トロイダル巻線モータのステータ１３は、合計２つであり、それぞれの内周側と外周側に２つの界磁極が対応する構成であるので、位置関係や結線方法などにより、即ち、各２ロータのツインモータとして、高性能で多機能なものとなり得るものである。また、ブレーキディスク１０を綱車９の軸方向両端部に２枚取り付けて、ブレーキを分散して配置しているので、各個のブレーキは小型のものとなり、巻上機の外径を小さくすることができる。 The toroidal winding motor stator 13 is provided with a toroidal winding 13a having a structure as shown in FIG. 2, and an enameled wire is wound around the stator core, so that a configuration with a short coil end is sufficient. Accordingly, unlike a general concentrated winding motor, the combination of the number of poles and the number of slots is not so limited, and it is easy to ensure high performance. Rotor magnets 12 are arranged on the inner and outer peripheral sides of the stator, respectively, and drive torque is generated by the gaps on both the inner and outer sides. Therefore, compared to the conventional case of only one side, a normal motor having the same diameter is used. In contrast, the axial length can be halved with the same efficiency. Further, if the phase difference between the two rotors including the first and second rotors is appropriately shifted, the torque ripple generated in each of the two rotors can be canceled and the torque ripple can be reduced.
In a normal motor, it is practically difficult to dispose the motor inside the sheave. However, according to the stator 13 of the toroidal winding motor, since it has the above characteristics, it is relatively Easy. As shown in FIG. 1, a stator and a rotor magnet can be arrange | positioned in the part by shrinking the structure inside the sheave 9 as much as possible. The stator is attached to the two bearing stand housings 2 which are the hoisting machine fixing portions, and the axial direction of the stator enters the sheave 9. Further, permanent magnets constituting field poles on the inner peripheral side and outer peripheral side of the stator are respectively connected to both inner peripheral side end portions of the sheave 9 constituting the first rotor and the inner annular body 7 constituting the second rotor. It arrange | positions at the outer peripheral side both ends. There are a total of two stators 13 for the toroidal winding motor, and two field poles correspond to the inner peripheral side and the outer peripheral side, respectively. As a twin motor, it can be a high-performance and multifunctional one. Also, since two brake discs 10 are attached to both ends of the sheave 9 in the axial direction and the brakes are distributed, each brake is small and the outer diameter of the hoisting machine is reduced. Can do.

実施の形態２．
図３はこの発明の実施の形態２におけるエレベータ用巻上機の概略構造を示す縦断面図である。
図３において、この発明のエレベータ用巻上機は固定軸の片持ち構造であり、片持ち構造で耐えられるよう軸荷重しか掛らないエレベータに適用できる。ベース（図示せず）に立設固定された巻上機固定部である背面板１６と、この背面板１６の一側中央部に固定された主軸１７と、この主軸１７の外周部に設けられた軸受３と、この軸受３に回転自在に支持された内側環状体７と、この内側環状体７の外側に一体的に支持された外側環状体から成る綱車９と、この綱車９の外周面に形成された綱溝９ａと、この綱車９の反背面板１６側の端部に固定され、その外方周端部が制動面１０ａとなるブレーキディスク１０と、制動面１０ａと対向するブレーキシュー１１ａが設けられたブレーキ装置１１と、上記綱車９の内周面及び内側環状体７の外周面にそれぞれ設けられたロータ１８と、外方端部が上記背面板１６の内側面に固定され、内方端部が上記綱車９と内側環状体７との間に形成された凹部に収納され、かつ上記ロータ１８間に配置されたトロイダル巻線モータのステータ１３とを備えた構成である。なお、図中、１４は主軸４の一端部に取り付けられたエンコ−ダである。 Embodiment 2. FIG.
FIG. 3 is a longitudinal sectional view showing a schematic structure of an elevator hoist according to Embodiment 2 of the present invention.
In FIG. 3, the elevator hoist of the present invention has a cantilever structure with a fixed shaft, and can be applied to an elevator that only requires a shaft load so that it can withstand the cantilever structure. A back plate 16 that is a hoisting machine fixing portion that is erected and fixed to a base (not shown), a main shaft 17 that is fixed to one central portion on the back plate 16, and an outer peripheral portion of the main shaft 17. A bearing 3, an inner annular body 7 rotatably supported by the bearing 3, a sheave 9 comprising an outer annular body integrally supported on the outside of the inner annular body 7, and the sheave 9 A rope groove 9a formed on the outer peripheral surface, a brake disc 10 fixed to an end portion of the sheave 9 on the side opposite to the back plate 16 and having an outer peripheral end portion serving as a braking surface 10a, and the braking surface 10a facing The brake device 11 provided with the brake shoe 11a, the rotor 18 provided on the inner peripheral surface of the sheave 9 and the outer peripheral surface of the inner annular body 7, and the outer end of the inner surface of the back plate 16 The inner end is formed between the sheave 9 and the inner annular body 7. It housed in part, and a configuration in which a stator 13 of the toroidal winding motor arranged between the rotor 18. In the figure, reference numeral 14 denotes an encoder attached to one end of the main shaft 4.

従って、この発明の実施の形態２のエレベータ用巻上機は、片持ち構造で耐えられるよう軸荷重しか掛らないエレベータに適用することができる。なお、上記した以外は、実施の形態１における動作、効果とほぼ同様である。   Therefore, the elevator hoisting machine according to the second embodiment of the present invention can be applied to an elevator that only requires an axial load so as to withstand the cantilever structure. Except for the above, the operation and effects in the first embodiment are substantially the same.

この発明の実施の形態１におけるエレベータ用巻上機の概略構造を示す縦断面図である。It is a longitudinal cross-sectional view which shows schematic structure of the elevator hoisting machine in Embodiment 1 of this invention. この発明の実施の形態１におけるエレベータ用巻上機に用いられるトロイダル巻線モータの巻線部の構造を示す斜視図である。It is a perspective view which shows the structure of the coil | winding part of the toroidal winding motor used for the elevator hoisting machine in Embodiment 1 of this invention. この発明の実施の形態２におけるエレベータ用巻上機の概略構造を示す縦断面図である。It is a longitudinal cross-sectional view which shows schematic structure of the elevator hoisting machine in Embodiment 2 of this invention.

符号の説明Explanation of symbols

１ ベース
２ 軸受台ハウジング（巻上機固定部）
３ 軸受
４ 回転軸
５ ボス部
６ スポーク
７ 内側環状体（第２のロータ）
８ ボビン状のスポーク
９ 綱車（第１のロータ）
１０ ブレーキディスク
１０ａ 制動面
１１ ブレーキ装置
１１ａ ブレーキシュー
１２ ロータ磁石
１３ トロイダル巻線モータのステータ
１３ａ トロイダル巻線
１４ エンコーダ
１５ エンコーダ取り付け台
１６ 背面板（巻上機固定部）
１７ 主軸
１８ ロータ
1 Base 2 Bearing stand housing (winding machine fixing part)
3 Bearing 4 Rotating shaft 5 Boss part 6 Spoke 7 Inner ring (second rotor)
8 Bobbin-shaped spokes 9 Sheaves (first rotor)
DESCRIPTION OF SYMBOLS 10 Brake disc 10a Brake surface 11 Brake device 11a Brake shoe 12 Rotor magnet 13 Toroidal winding motor stator 13a Toroidal winding 14 Encoder
15 Encoder mount 16 Back plate (winding machine fixing part)
17 Spindle 18 Rotor

Claims (1)

巻上機固定部に固定された軸受と、前記軸受に両端部を回転自在に支持された回転軸と、前記回転軸の中央部に設けられたボス部と、前記ボス部の外側に放射状に設けられた第１のスポークを介して支持された第２のロータを構成する内側環状体と、前記内側環状体の外側に放射状に設けられ、ボビン状の第２のスポークを介して支持された第１のロータを構成する外側環状体からなり外周面に主索が巻き掛けられる綱溝を有する綱車と、前記綱車の軸方向両端部にそれぞれ固定され、外方周端部が制動面となるブレーキディスクと、前記巻上機固定部の外周端部の外方内側面に取り付けられ、前記制動面と対向するブレーキシューが設けられたブレーキ装置と、前記綱車の内周面の両端部及び前記内側環状体の外周面の両端部にそれぞれ設けられたロータ磁石と、外方端部が前記巻上機固定部の外周部内側面にそれぞれ固定され、内方端部が前記綱車と内側環状体との間に位置する前記ボビン状の第２のスポークの両側部の凹部に収納され、前記ロータ磁石間に配置されたトロイダル巻線モータのステータとを備えたエレベータ用巻上機であって、
前記トロイダル巻線モータのステータは、複数のトロイダル巻線を備えており、ステータの内周側と外周側にはそれぞれロータ磁石が配置され内外両側のギャップで駆動トルクを発生することを特徴とするエレベータ用巻上機。 A bearing fixed to the hoisting machine fixing portion, a rotating shaft rotatably supported at both ends by the bearing, a boss portion provided at a central portion of the rotating shaft, and radially outside the boss portion An inner annular body constituting a second rotor supported via the first spoke provided, and a radially provided outside of the inner annular body and supported via a bobbin-shaped second spoke A sheave having a sheave groove formed of an outer annular body constituting the first rotor and having a main rope wound around the outer peripheral surface thereof, and fixed to both ends in the axial direction of the sheave, the outer peripheral end portion being a braking surface A brake disc, a brake device attached to an outer inner surface of the outer peripheral end of the hoisting machine fixing portion, and provided with a brake shoe facing the braking surface, and both ends of the inner peripheral surface of the sheave And both ends of the outer peripheral surface of the inner annular body. The second end of the bobbin-shaped rotor magnet, the outer end portion being fixed to the inner surface of the outer peripheral portion of the hoisting machine fixing portion, and the inner end portion being located between the sheave and the inner annular body. An elevator hoisting machine including a toroidal winding motor stator housed in recesses on both sides of the spokes and disposed between the rotor magnets,
The stator of the toroidal winding motor includes a plurality of toroidal windings, and rotor magnets are respectively disposed on the inner peripheral side and the outer peripheral side of the stator, and drive torque is generated in gaps on both the inner and outer sides. Elevator hoisting machine.
JP2004208434A 2004-07-15 2004-07-15 Elevator hoisting machine Expired - Fee Related JP4619713B2 (en)

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EP2481701A1 (en) * 2011-01-31 2012-08-01 Siemens Aktiengesellschaft Hoisting gear for container crane and container crane
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CN104925627A (en) * 2015-07-09 2015-09-23 苏州润吉驱动技术有限公司 Double-stator-coil traction machine
CN106629351A (en) * 2016-12-02 2017-05-10 浙江西子富沃德电机有限公司 Driving component used for tractor and tractor using driving component
ES2704868A1 (en) * 2017-09-20 2019-03-20 Tejedor Alvaro Gobernado Residential elevator machine with drum cable winding (Machine-translation by Google Translate, not legally binding)
CN108683314A (en) * 2018-06-08 2018-10-19 永大电梯设备（中国）有限公司 Bimorph transducer heavy－duty permanent magnetic synchronous traction machine
CN110011478B (en) * 2019-05-15 2023-11-28 上海吉亿电机有限公司 Flat traction motor
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