TW200401743A - Hoisting apparatus for elevator - Google Patents

Hoisting apparatus for elevator Download PDF

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Publication number
TW200401743A
TW200401743A TW092118219A TW92118219A TW200401743A TW 200401743 A TW200401743 A TW 200401743A TW 092118219 A TW092118219 A TW 092118219A TW 92118219 A TW92118219 A TW 92118219A TW 200401743 A TW200401743 A TW 200401743A
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TW
Taiwan
Prior art keywords
rope
elevator
pressing
item
sheave
Prior art date
Application number
TW092118219A
Other languages
Chinese (zh)
Inventor
Motohisa Yamamura
Original Assignee
Teijin Seiki Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Teijin Seiki Co Ltd filed Critical Teijin Seiki Co Ltd
Publication of TW200401743A publication Critical patent/TW200401743A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B15/00Main component parts of mining-hoist winding devices
    • B66B15/02Rope or cable carriers
    • B66B15/04Friction sheaves; "Koepe" pulleys
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/04Driving gear ; Details thereof, e.g. seals
    • B66B11/08Driving gear ; Details thereof, e.g. seals with hoisting rope or cable operated by frictional engagement with a winding drum or sheave

Abstract

The present invention provides a hoisting apparatus for an elevator, with which apparatus a traction-type elevator apparatus can be lightened in weight. A hoisting apparatus for an elevator has pressing rollers pressing a rope to an outer periphery of a sheave and rotatably supported by a non-rotation body, and pressing means for pressing the pressing rollers to the rope. The outer periphery of the pressing roller has a circular-arc groove coupled to the rope. The outer periphery of the pressing roller is formed of an elastic body. The pressing rollers are structured by at least a pair of the rollers that is substantially symmetrically arranged in relation to the rotation center of the sheave, and the rollers are movable with respect to the rope. A belt that runs between the pair of the rollers is provided, and the rollers press the rope to the outer periphery of the sheave through the belt provided between the pair of rollers.

Description

200401743 玖、發明說明: [發明所屬之技術領域】 本發明係關於一牽引式電梯之捲起裝置。詳述之,其係 關於一包含連結在馬達轉動之繩輪,和卡繞在繩輪外周面 使電梯升降台升降之繩索的電梯之捲起裝置。 【先前技術】 以圖5說明先前之牵引式電梯之捲起裝置。根據圖5,繩 輪1係連結在馬達(不圖示)轉動。繩索2卡繞在繩輪1外周 面私梯升降台3連接在懸架之一方繩索2。平衡重錘4連接 在懸架之另一方繩索2。 、、遐輪1亦有攸馬達介置以減速機(不圖示)轉動之情形。轉 動驅動馬達時,電梯升降台3可藉由繩輪丨之轉動及繩索2 之上下移動而升降。 ;、、、後馬達對繩索2之轉動驅動力僅利用繩輪1外周面及 繩索2周面間之摩擦力傳達。該摩擦力係從繩輪丨及繩索2 之摩擦係數,以及電梯升降台3及平衡重錘4之張力獲得。 但是,先前之牵引式電梯之捲起裝置如上述,由於馬達 對繩索2之轉動驅動力僅依據繩輪丨外周面及繩索2周面間 <摩擦力傳達,為了在繩輪丨及繩索2間防止滑動使馬達之 轉動驅動力無法傳達到繩索2,因此將電梯升降台3及平衡 重錘4之重量增加到必要以上。 J义責以上因而,難以將牵引式電梯裝 置輕量化。 本發明係鑑於上述點,豆目的力认庐糾 弁S的在於棱供一可將牽引式電 梯裝置輕量化之電梯之捲起裝置。200401743 (1) Description of the invention: [Technical field to which the invention belongs] The present invention relates to a rolling-up device for a traction elevator. In detail, it relates to a winding device for an elevator including a sheave connected to a motor to rotate, and a rope that is caught around the outer surface of the sheave to lift the elevator platform. [Prior Art] A conventional rolling up device of a traction elevator will be described with reference to FIG. 5. According to Fig. 5, the sheave 1 is connected to a motor (not shown) for rotation. The rope 2 is clamped around the outer periphery of the sheave 1 and the private elevator lifting platform 3 is connected to one of the suspension ropes 2. The counterweight 4 is connected to the other rope 2 of the suspension. There are also cases where the motor 1 is rotated by a speed reducer (not shown). When the drive motor is rotated, the elevator lifting platform 3 can be raised and lowered by the rotation of the sheave 丨 and the rope 2 moving up and down. ; ,,, The rear motor's rotational driving force to the rope 2 is transmitted only by the friction between the outer peripheral surface of the sheave 1 and the peripheral surface of the rope 2. The friction force is obtained from the friction coefficients of the sheaves 丨 and the rope 2 and the tensions of the elevator lifting platform 3 and the counterweight 4. However, the winding device of the previous traction elevator is as described above, because the rotation driving force of the motor to the rope 2 is only based on the transmission of the friction between the outer surface of the sheave and the outer surface of the rope 2 and the friction between Preventing the sliding from time to time prevents the rotational driving force of the motor from being transmitted to the rope 2, so the weights of the elevator platform 3 and the counterweight 4 are increased more than necessary. J is responsible for the above. Therefore, it is difficult to reduce the weight of the traction elevator device. In view of the foregoing, the present invention recognizes that the purpose of the present invention is to provide a winding device for an elevator that can reduce the weight of a traction elevator device.

86556.DOC 200401743 【發明内容】 為了達成上述目的,本發明之電梯之捲起裝置,其包含 連結在馬達轉動之繩輪,和卡繞在繩輪外周面使電梯升降 口升降之繩索,其特徵為具有將繩索推壓在繩輪外周面之 推壓滾筒。即,由於以推壓滾筒增加繩輪外周面及繩索周 面門之摩彳祭力,因此可減低電梯升降台3及平衡重錘4之重 量。因而,可提供一使牽引式電梯裝置輕量化之電梯之捲 起裝置。 且,其特徵為推壓滾筒以可自由轉動方式支持在非轉動 物,同時具有將推壓滾筒推壓在繩索之推壓手段。因而, 推壓滚筒之轉動更圓滑,可對繩索及繩輪產生強大推壓力。 且,其特徵為推押滾筒外周具有扣合在繩索之圓弧溝。 因而推壓滾筒對繩索之接觸面積增加,而可增加推壓滚 筒及繩索間之摩擦力。 且,其特徵為推壓滾筒外周係以彈性體構成。即,推壓 滾筒外周可奴著繩索圓周變形成圓弧。因而,推愿滾筒對 繩索<接觸面積增加,而可增加推壓滾筒及繩索間之摩擦 力。 且,其特徵為推壓滾筒由對繩輪之轉動中心配設成大致 對% <至少一對所構成。因而,推壓滾筒比丨個時可增加推 壓滾筒及繩索間之摩擦力。 且,其特徵為推壓滾筒可對繩索移動。因*,可對應各 種繩徑者。 且,其特欲為具備卡繞在一對推壓滾筒間之皮帶,且一86556.DOC 200401743 [Summary of the invention] In order to achieve the above object, the elevator winding device of the present invention includes a sheave connected to a motor rotation, and a rope stuck on the outer surface of the sheave to raise and lower the elevator lifting port. It is a pressing roller which presses the rope on the outer peripheral surface of the sheave. That is, since the frictional force of the outer peripheral surface of the sheave and the rope peripheral door is increased by pressing the drum, the weights of the elevator platform 3 and the counterweight 4 can be reduced. Therefore, it is possible to provide an elevator roll-up device for reducing the weight of the traction elevator device. Moreover, it is characterized in that the pressing roller can be supported on a non-rotating object in a freely rotatable manner, and it also has a pressing means for pressing the pressing roller on a rope. Therefore, the rotation of the pressing roller is smoother, which can generate a strong pushing force on the rope and the sheave. Moreover, it is characterized in that the outer periphery of the push-pull roller has an arc groove which is fastened to the rope. Therefore, the contact area between the pressing roller and the rope is increased, and the friction between the pressing roller and the rope can be increased. In addition, it is characterized in that the outer periphery of the pressing roller is composed of an elastic body. That is, the outer periphery of the pressing drum can be deformed into a circular arc with the circumference of the rope. Therefore, the contact area of the push roller to the rope < increases, and the friction between the push roller and the rope can be increased. In addition, it is characterized in that the pressing rollers are composed of at least one pair of% < Therefore, when there are more than one roller, the friction between the roller and the rope can be increased. Moreover, it is characterized in that the pressing roller can move the rope. Because of *, it can support various rope diameters. Moreover, it is particularly desirable to have a belt stuck between a pair of pressing rollers, and

86556.DOC 200401743 對推壓滾筒介置以一對推壓滾筒間的皮帶,將繩索推壓在 繩輪外周面。因而,介置以皮帶之推壓滾筒對繩索之接觸 面積增加,而增加介置以皮帶之推壓滾筒及繩索間的摩擦 力。 【實施方式】 以下根據圖式說明本發明之第1實施型態。根據圖丨及圖 2,100係使用於牵引式電梯裝置之電梯之捲起裝置。固定 構件10裝設在牵引式電梯裝置之固定處。介置以減速機(不 圖示)將馬達(不圖示)之轉動傳達到繩輪U之輸入部m。 即,繩輪11係連結在馬達轉動。 繩索12使卡繞在繩輪11之外周面1 3之溝部13 1的電梯升 降台14升降。電梯升降台14連接在懸架之一方繩索ι2。平 衡重錘15連接在懸架之另一方繩索12。 一對推壓滾筒16對繩輪11之轉動中心配設成大致對稱, 且將繩索12推壓在繩輪11之外周面丨3。詳述之,一對推壓 滾筒16對包含繩輪21之轉動中心的上下方配設成大致左右 對稱。一對推壓滾筒16外周具有扣合在繩索丨丨之圓弧溝 P。各推壓滾筒16係介置以一對軸承受19而以可自由轉動 方式支持在轴18(非轉動物)。 彈簧2〇(推壓手段)將各推壓滾筒16推壓在繩索12。由於 各彈簧20可伸縮,因此各推壓滾筒16可對繩索12移動。 且,藉由使對固定構件10之推壓手段(彈簧20)的固定部 可對固定構件10移動之方式,可調整各推壓滾筒16對繩索 12之推壓力。藉由適當設定彈簧2〇之彈簧常數的方式,可86556.DOC 200401743 A pair of belts between the rollers is interposed between the rollers to push the rope against the outer peripheral surface of the sheave. As a result, the contact area of the pressing roller with the belt to the rope increases, and the friction between the pressing roller with the belt and the rope is increased. [Embodiment] A first embodiment of the present invention will be described below with reference to the drawings. According to Figure 丨 and Figure 2, 100 is a rolling device of an elevator used in a traction elevator device. The fixing member 10 is installed at a fixed place of the traction elevator apparatus. A reduction gear (not shown) is used to transmit the rotation of the motor (not shown) to the input part m of the sheave U. That is, the sheave 11 is connected to the motor for rotation. The rope 12 raises and lowers the elevator lifting platform 14 which is caught in the groove portion 13 1 on the outer peripheral surface 13 of the sheave 11. The elevator platform 14 is connected to one of the suspension ropes 2. A counterweight 15 is connected to the other rope 12 of the suspension. A pair of pressing rollers 16 are arranged to be substantially symmetrical with respect to the rotation center of the sheave 11, and the rope 12 is pressed against the outer peripheral surface 3 of the sheave 11. In detail, a pair of pressing rollers 16 are arranged approximately symmetrically on the upper and lower sides including the rotation center of the sheave 21. The pair of pressing rollers 16 has an arc groove P which is fastened to the rope. Each of the pressing rollers 16 is rotatably supported on a shaft 18 (non-rotating object) through a pair of bearings 19. The spring 20 (pressing means) presses each pressing roller 16 against the rope 12. Since each spring 20 is retractable, each pressing roller 16 can move to the rope 12. In addition, the pressing force of each pressing roller 16 on the rope 12 can be adjusted by allowing the fixed portion of the pressing means (spring 20) for the fixed member 10 to move the fixed member 10. By appropriately setting the spring constant of the spring 20, the

86556.DOC 200401743 適當地變更各推壓滾筒16對繩索12之推壓力。 彈簧20之一端支持在固定構件1〇,另一端連結在軸丨8之 圓周溝21。軸用固定輪23係使用於一對軸承受19之定位, 以及用於止脫防止。 接著,說明關於本發明第1實施型態之作用。 一對推壓滾筒16藉由彈簧20將繩索12經常地推壓在繩輪 1外周面。即’以一對推壓滾筒丨6增加繩輪1外周面及繩索 12周面間之摩擦力。因而,可減低電梯升降台3及平衡重錘 4之重量。 (推壓滾筒之另一例) 根據圖式說明本發明相關之一對推壓滾筒另一例。根據 圖3 ’各推壓滾筒200在金屬性滾筒本體201外周保持有橡皮 或石夕等圓筒形彈性體202。轉動本體2〇1與前述第1實施型態 之推壓滾筒同樣地,介置以一對軸承受2〇4而以可自由轉動 方式支持在轴203(非轉動物)。 推壓滾筒200外周即使未形成如前述第1實施型態之圓弧 溝’亦可隨著繩索12之圓周變形成圓弧。因而,推壓滾筒 200對繩索12之接觸面積(接觸阻力)增加,而可增加推壓滾 琦2 0 0及繩索12間之摩擦力。 亦可不個別地將彈性體202保持在推壓滾筒200外周,將 滾筒本體201本身當作圓筒形彈性體亦可。 接著,根據圖式說明本發明之第2實施型態。根據圖4, 3〇〇係使用於牵引式電梯裝置之電梯之捲起裝置。固定構件 31〇裝設在牽引式電梯裝置之固定處。馬達(不圖示)之轉動86556.DOC 200401743 The pressing force of each pressing roller 16 on the rope 12 is appropriately changed. One end of the spring 20 is supported on the fixing member 10, and the other end is connected to the circumferential groove 21 of the shaft 88. The shaft fixed wheel 23 is used for positioning a pair of bearings 19, and for preventing slippage. Next, the effect of the first embodiment of the present invention will be described. The pair of pressing rollers 16 constantly press the rope 12 against the outer peripheral surface of the sheave 1 by the spring 20. That is, the friction between the outer peripheral surface of the sheave 1 and the peripheral surface of the rope 12 is increased by a pair of pressing rollers 6. Therefore, the weights of the elevator platform 3 and the counterweight 4 can be reduced. (Another example of the pressing roller) Another example of the pair of pressing rollers according to the present invention will be described with reference to the drawings. According to FIG. 3 ', each of the pressing rollers 200 holds a cylindrical elastic body 202 such as a rubber or a stone on the outer periphery of the metallic roller body 201. The rotating body 201 is supported by a shaft 203 (non-rotating object) in a freely rotatable manner via a pair of bearings 206 as in the pressing roller of the first embodiment. Even if the outer periphery of the pressing roller 200 is not formed with the arc groove of the first embodiment, the arc can be formed as the circumference of the rope 12 changes. Therefore, the contact area (contact resistance) of the pressing roller 200 to the rope 12 is increased, and the frictional force between the pressing roller 200 and the rope 12 can be increased. The elastic body 202 may not be individually held on the outer periphery of the pressing roller 200, and the roller body 201 itself may be a cylindrical elastic body. Next, a second embodiment of the present invention will be described with reference to the drawings. According to Fig. 4, 300 is a hoisting device of an elevator used in a traction elevator device. The fixing member 31 is installed at a fixed place of the traction elevator device. Motor (not shown) rotation

86556.DOC 200401743 係介置以減速機(不圖示)傳達到繩輪311之輸入部333。 即,繩輪311係連結在馬達轉動。繩索312係卡繞在繩輪311 之外周面313之溝部(不圖示)使電梯升降台(不圖示)升降。 電梯升降台連接在懸架之一方繩索312。平衡重錘(不圖示) 連接在懸架之另一方繩索3 12。 一對推壓滚筒316對繩索311之轉動中心配設成大致對 稱,且將繩索312推壓在繩輪311之外周面313。詳述之,一 對推壓滾筒3 16對包含繩輪3 11之轉動中心的上下方配設成 大致左右對稱。皮帶317卡繞在一對推壓滾筒316外周間。 一對推壓滾筒3 16係介置以皮帶3 17將繩索3 12推壓在繩輪 3 11外周面。 各推壓滾筒316與前述第1實施型態同樣地,介置以一對 軸承受(不圖示)而以可自由轉動方式支持在軸318(非轉動 物)。 彈簧320(推壓手段)將各推壓滾筒316推壓在繩索312。由 於各彈簧320可伸縮,因此各推壓滾筒316可對繩索312移 動。 彈黄320之一端支持在固定構件31〇’另一端連結在軸318 之圓周溝(不圖示)。 接著說明關於本發明第2實施型態之作用。 根據圖4 ’ 一對推壓滾筒316介置以皮帶317而藉由彈簧 320將繩索312經常地推壓在繩輪3 11外周面。即,介置以皮 帶3 17之推壓滾筒316對繩索312之接觸面積(接觸阻力)增 加’而可增加介置以皮帶317之推壓滾筒316及繩索312間之86556.DOC 200401743 is connected to the input part 333 of the sheave 311 through a reducer (not shown). That is, the sheave 311 is connected to the motor for rotation. The rope 312 is clamped around a groove portion (not shown) on the outer peripheral surface 313 of the sheave 311 to lift the elevator lifting platform (not shown). An elevator platform is connected to one of the suspension ropes 312. A counterweight (not shown) is connected to the other rope 3 12 of the suspension. A pair of pressing rollers 316 are arranged approximately symmetrically with respect to the rotation center of the rope 311, and the rope 312 is pressed against the outer peripheral surface 313 of the sheave 311. In detail, a pair of pressing rollers 3 and 16 including upper and lower sides including the rotation centers of the sheaves 3 11 are arranged to be approximately bilaterally symmetrical. The belt 317 is caught around the outer periphery of the pair of pressing rollers 316. A pair of pressing rollers 3 and 16 interpose a belt 3 17 to push the rope 3 12 against the outer peripheral surface of the sheave 3 11. Each of the pressing rollers 316 is rotatably supported on a shaft 318 (non-rotating object) via a pair of bearings (not shown) as in the first embodiment. The spring 320 (pressing means) presses each pressing roller 316 against the rope 312. Since each spring 320 is retractable, each pressing roller 316 can move the rope 312. One end of the elastic yellow 320 is supported on a fixed groove 31o 'and the other end is connected to a circumferential groove (not shown) of the shaft 318. Next, the effect of the second embodiment of the present invention will be described. According to FIG. 4 ', a pair of pressing rollers 316 are interposed with a belt 317 and the rope 312 is constantly pressed against the outer peripheral surface of the sheave 3 11 by a spring 320. That is, the contact area (contact resistance) of the pressing roller 316 interposed with the belt 3 17 to the rope 312 is increased, and the distance between the pressing roller 316 interposed with the belt 317 and the rope 312 can be increased.

86556.DOC 200401743 摩擦力(摩擦阻力大)。 然後’本發明之實施型態係以丨:!方式說明繩索懸架方 式,但本發明不限定於1 : 1之繩索懸架方式。 本發明之申請專利範圍第1項可提供—牽引式電梯裝置 可輕量化之電梯之捲起裝置。 本發明之申請專利範圍第2項可使推壓滾筒之轉動較圓 滑,對繩索及繩輪產生強大推壓力。 本發明之申請專利範圍第3項可增加推壓滾筒對繩索之 接觸面積,而可增加推壓滾筒及繩索間之摩擦力。 本發明之申請專利範圍第4項可增加推壓滾筒對繩索之 接觸面積,而可增加推壓滾筒及繩索間之摩擦力。 本發明之申請專利範圍第5項比1個推壓滾筒時,可增加 推壓滾筒及繩索間之摩擦力。 本發明之申請專利範圍第6項可對應各種繩徑者。 本發明之申請專利範圍第7項可增加介置以皮帶之推壓 滾同對繩索之接觸面積,而可增加介置以皮帶之推壓滾筒 及繩索間之摩擦力。 【圖式簡單說明】 圖1係本發明之第1實施型態示意圖。 圖2係本發明之第1實施型態相關之推壓滾筒部分之詳細 剖視圖。 圖3係本發明相關之推壓滾筒另一例之圖式。 圖4係本發明之第2實施型態示意圖。 圖5係先前之牵引式電梯之捲起裝置示意圖。86556.DOC 200401743 Friction (high friction resistance). Then, the implementation mode of the present invention is 丨:! The method describes the rope suspension method, but the present invention is not limited to the rope suspension method of 1: 1. The first item of the scope of patent application of the present invention can be provided-a traction elevator device, which can be a light-weight elevator winding device. The second item of the scope of patent application of the present invention can make the rotation of the pushing roller smoother and generate a strong pushing force on the rope and the sheave. Item 3 of the scope of patent application of the present invention can increase the contact area of the pressing roller to the rope, and can increase the friction between the pressing roller and the rope. Item 4 of the scope of patent application of the present invention can increase the contact area of the pressing roller to the rope, and can increase the friction between the pressing roller and the rope. The fifth item in the scope of patent application of the present invention can increase the friction between the pressing roller and the rope when compared with one pressing roller. Item 6 of the scope of patent application of the present invention can correspond to various rope diameters. Item 7 of the scope of the patent application of the present invention can increase the contact area of the pushing roller and the rope with the belt, and increase the friction between the pushing roller and the rope with the belt. [Brief description of the drawings] FIG. 1 is a schematic diagram of a first embodiment of the present invention. Fig. 2 is a detailed sectional view of a pressing roller portion related to the first embodiment of the present invention. Fig. 3 is a diagram of another example of a pressing roller according to the present invention. FIG. 4 is a schematic diagram of a second embodiment of the present invention. Fig. 5 is a schematic diagram of a winding device of a previous traction elevator.

86556.DOC 200401743 【圖式代表符號說明】 100、300 電梯之捲起裝置 繩輪 11、311 12 、 312 14 16 、 316 17 18 、 203 、 318 20 ^ 320 202 317 繩索 平衡重錘 推壓滾筒 圓篆溝 軸(非轉動物) 彈簧(彈壓手段) 橡皮(彈性體) 皮帶 -11 -86556.DOC 200401743 [Description of the representative symbols of the diagram] 100, 300 elevator winding sheaves 11, 311 12, 312 14 16, 316 17 18, 203, 318 20 ^ 320 202 317 Rope balance weight presses the roller circle Trench shaft (non-rotating object) Spring (elastic means) Rubber (elastomer) Belt -11-

86556.DOC86556.DOC

Claims (1)

200401743 拾、申請專利範圍: h —種電梯之捲起裝置,其包含連結在馬達轉動之繩輪, 和卡繞在前述繩輪外周面使電梯升降台升降之繩索,其 特徵為具有將前述繩索推壓在前述繩輪外周面之推壓滾 筒。 2·如申清專利範圍第丨項之電梯之捲起裝置,其中前述推壓 滾筒以可自由轉動方式支持在非轉動物,同時具有將前 述推壓滾同推壓在前述繩索之推壓手段。 3·如申請專利範圍第丨項或第2項之電梯之捲起裝置,其中 則述推壓滾筒外周具有扣合在前述繩索之圓弧溝。 4·如申清專利範圍第1項或第2項之電梯之捲起裝置,其中 前述推壓滾筒外周係以彈性體構成。 5·如申請專利範圍第1項或第2項之電梯之捲起裝置,其中 如述推壓滾请由對前述繩輪之轉動中心配設成大致對稱 之至少一對所構成。 6.如申請專利範圍第1項或第2項之電梯之捲起裝置,其中 如述推壓滾筒可對前述繩索移動。 7·如申請專利範圍第5項之電梯之捲起裝置,其中具備卡繞 在前述一對推壓滾筒間之皮帶,且前述一對推壓滾筒介 置以前述一對推壓滾筒間之前述皮帶,而將前述繩索推 壓在前述繩輪外周面。 86556.DOC200401743 Scope of patent application: h — A hoisting device for an elevator, which includes a sheave connected to a motor rotation, and a rope stuck around the outer peripheral surface of the sheave to lift the elevator lifting platform, which is characterized in that it has the aforementioned rope The pressing roller is pressed on the outer peripheral surface of the sheave. 2. The lifting device of the elevator as claimed in item No. 丨 of the patent claim, wherein the pushing roller is supported on a non-rotating object in a freely rotatable manner, and the pushing means for pushing the pushing roller together with the rope . 3. If the elevator roll-up device for item 丨 or item 2 of the scope of the patent application, wherein the outer periphery of the pressing roller has an arc groove which is fastened to the aforementioned rope. 4. If the winding device of the elevator is applied for item 1 or item 2 of the patent, the outer periphery of the pressing roller is made of elastomer. 5. If the elevator roll-up device of item 1 or item 2 of the scope of the patent application, as described above, the pushing roller should be composed of at least one pair of approximately symmetrically arranged rotation centers of the aforementioned sheaves. 6. If the elevator winding device of the scope of application for item 1 or item 2, wherein the pushing roller can move the rope as mentioned above. 7. The elevator winding device according to item 5 of the patent application scope, which includes a belt stuck between the aforementioned pair of pressing rollers, and the aforementioned pair of pressing rollers interposes the aforementioned between the aforementioned pair of pressing rollers The belt pushes the rope against the outer peripheral surface of the sheave. 86556.DOC
TW092118219A 2002-07-03 2003-07-03 Hoisting apparatus for elevator TW200401743A (en)

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JP5083595B2 (en) * 2007-02-20 2012-11-28 株式会社ダイフク Lifting device in stacker crane
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