WO2016157535A1 - Elevator device - Google Patents
Elevator device Download PDFInfo
- Publication number
- WO2016157535A1 WO2016157535A1 PCT/JP2015/060659 JP2015060659W WO2016157535A1 WO 2016157535 A1 WO2016157535 A1 WO 2016157535A1 JP 2015060659 W JP2015060659 W JP 2015060659W WO 2016157535 A1 WO2016157535 A1 WO 2016157535A1
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- WIPO (PCT)
- Prior art keywords
- car
- hoistway
- reference position
- counterweight
- elevator apparatus
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/068—Cable weight compensating devices
Definitions
- the present invention relates to an elevator apparatus in which a compensating body such as a compensator chain or a compensator cable is suspended between a car and a counterweight.
- the steel core drawn out from the end of the control cable on the side of the car is supported by a suspension provided at the lower part of the car.
- the hanger can be moved horizontally along the hanger rail by the driving force of the motor.
- the hanger moves in the width direction of the car according to the raising / lowering position of the car.
- the evacuation space is a rectangular parallelepiped space where the worker evacuates in the event that a worker falls in the pit of the hoistway and the car shock absorber is fully compressed.
- the size of the evacuation space is, for example, a horizontal dimension of 0.70 m ⁇ 1.00 m and a height of 0.50 m.
- the height of the car shock absorber during full compression is low (for example, 0.50 m or more and less than 1.00),
- the plane dimension of the hoistway is also small, and the compensator chain is suspended in the hoistway from the car and the counterweight, so that it is difficult to secure a retreat space.
- the cage end of the cage chain is fixed near the center of the lower surface of the car floor, that is, near the center of gravity of the car, in order to avoid applying a large eccentric load to the car. If the car moves, the compensation chain will interfere with the evacuation space, and the evacuation space cannot be secured.
- Patent Document 1 moves the end of the control cable on the cage side, and there is no suggestion of securing the compensator chain and the retreat space.
- the end of the control cable on the side of the car is placed within the normal movement range of the car (between the lowermost floor and the uppermost floor) in consideration of the rigidity of the control cable. If it is moved continuously, and the end of the cage side of the compensator chain is moved in the same manner as this, a large unbalanced load is applied to the car.
- An object of the present invention is to provide an elevator apparatus that can secure a retreat space in a pit of a hoistway while avoiding the above.
- the elevator apparatus includes a car that moves up and down in the hoistway, a counterweight that moves up and down in the hoistway in the opposite direction, a car connecting part that is connected to the car so as to be movable in the horizontal direction, A counterweight connecting portion connected to the counterweight, and a car, a compensating body suspended in the hoistway from the counterweight, and an impact of a car collision on the bottom of the hoistway
- the car shock absorber and the car reach the reference position at the lower part of the hoistway, the car connection part is moved in the horizontal direction, and when the car shock absorber is fully compressed, the retraction set at the bottom of the hoistway
- An interference preventing device for preventing the compensating body from interfering with the space is provided.
- the car connecting part is moved in the horizontal direction by the interference preventing apparatus, and the compensating body is prevented from interfering with the retreat space. Therefore, even when the compensating body is suspended from the car and the counterweight, it is possible to secure a retreat space in the pit of the hoistway while avoiding a large eccentric load on the car during normal operation. it can.
- FIG. 1 is a block diagram showing an elevator apparatus according to Embodiment 1 of the present invention.
- an elevator apparatus having a rated speed of 105 m / min or less is shown.
- a car 1 and a counterweight 2 are suspended in a hoistway 3 by a suspension (not shown), and are moved up and down in the hoistway 3 by a driving force of a hoisting machine (not shown). .
- a pair of car guide rails 4 for guiding the raising and lowering of the car 1 and a pair of counterweight guide rails 5 (only one is shown in FIG. 1) for guiding the raising and lowering of the counterweight 2 are installed.
- the hoisting machine has a drive sheave, a hoisting motor that rotates the driving sheave, and a hoisting machine brake that brakes the rotation of the driving sheave.
- the hoisting machine is controlled by an elevator control device (not shown). That is, the operation of the car 1 is controlled by the elevator control device.
- the suspension As the suspension, a plurality of ropes or a plurality of belts are used.
- the suspension body is wound around the drive sheave.
- the counterweight 2 moves up and down in the hoistway 3 in the direction opposite to the car 1.
- the car 1 has a car floor 6, a car room 7 supported on the car floor 6, and an emergency stop frame 8 fixed to the lower part of the car floor 6.
- the emergency stop frame 8 is provided with an emergency stop device (not shown) for gripping the car guide rail 4 and emergency stopping the car 1.
- the car room 7 has a front surface provided with a car doorway, a rear surface facing the front surface, and a pair of side surfaces facing each other.
- the counterweight 2 is arranged on the side of the car 1 so as to face one side surface of the car room 7 when located at the same height as the car 1.
- the car 1 is connected with a flexible control cable 9 for supplying electric power to the car 1 and transmitting / receiving signals to / from the elevator control device.
- the end of the control cable 9 opposite to the car 1 is supported by a control cable support 10 fixed near the intermediate floor in the hoistway 3.
- a compensator cable 11 as a compensator is connected between the lower part of the car 1 and the lower part of the counterweight 2, and compensates for the influence of changes in the weight balance of the suspension body and the like due to the movement of the car 1.
- the compensation cable 11 has a car connection part 11a connected to the car 1 so as to be movable in the horizontal direction, and a counterweight connection part 11b connected to the counterweight 2. Further, the lower end portion of the compensation cable 11 is curved in a U shape.
- a car buffer 12 and a counterweight buffer (not shown) are set up.
- the car shock absorber 12 reduces the impact of the car 1 colliding with the bottom of the hoistway 3.
- the above-described evacuation space 13 (shaded portion in FIG. 1) is set.
- An interference prevention device 14 is provided at the bottom of the car 1 and the bottom of the hoistway 3.
- the interference preventing device 14 moves the car connecting portion 11 a in the horizontal direction, and the compensator cable 11 is placed in the retreat space 13 when the car shock absorber 12 is fully compressed.
- the interference preventing device 14 moves the car connecting portion 11a to the interference avoidance position until the car shock absorber 12 is fully compressed after the car 1 reaches the reference position, and secures the retreat space 13.
- FIG. 2 is an enlarged view showing a main part of FIG.
- FIG. 3 is a plan view showing the elevator apparatus of FIG. 1, and shows the car room 7 and the car floor 6 seen through. Also, the top of FIG. 3 is the landing side.
- the evacuation space 13 is set behind the car 1 with respect to the emergency stop frame 8 when viewed from directly above.
- a shock absorber receiving member 15 that is in contact with the car shock absorber 12 is fixed to the emergency stop frame 8.
- a mounting bracket 16 having an L-shaped cross section is provided below the emergency stop frame 8.
- the mounting bracket 16 is movable along the safety frame 8 in the width direction of the car 1 (left and right direction in FIGS. 2 and 3). Further, the mounting bracket 16 has an extension portion 16 a that protrudes from the emergency stop frame 8 to the rear side in the front-rear direction of the car 1.
- the car connection part 11a is connected to the extension part 16a.
- the compensation cable 11 is arranged behind the car guide rail 4 and the emergency stop frame 8 in the front-rear direction of the car 1 when viewed from directly above.
- the retreat space 13 is also arranged behind the emergency stop frame 8 in the front-rear direction of the car 1 when viewed from directly above.
- the car connecting portion 11a is movable between a normal position indicated by a solid line in FIG. 2 and an interference avoidance position indicated by a dotted line in FIG. 2 as the mounting bracket 16 moves with respect to the emergency stop frame 8. Yes.
- the interference avoidance position is a position farther from the center of the car than the normal position when viewed from directly above. In a state where the car connecting portion 11a is located at the interference avoidance position, the compensation cable 11 does not interfere with the retreat space 13 even if the car 1 moves to a position where the car shock absorber 12 is fully compressed.
- a spring receiving member 17 facing the mounting bracket 16 is fixed to the lower part of the emergency stop frame 8. Between the mounting bracket 16 and the spring receiving member 17, a normal position holding spring (tensile spring) 18 that pushes the mounting bracket 16 toward the center side in the width direction of the car 1 is provided.
- the car connecting portion 11a is held at the normal position by the normal position holding spring 18 when the car 1 is positioned above the reference position.
- the interference prevention device 14 has a cam 19 rotatably provided at the lower part of the emergency stop frame 8 and an operation column 20 as an operation member standing at the bottom of the hoistway 3.
- the cam 19 is rotatable around a rotation shaft 19a that is parallel to the horizontal direction of the car 1 and is horizontal.
- the cam 19 is provided with a facing portion 19 b that faces the upper surface of the operating column 20.
- the operating column 20 is arranged in the width direction of the car 1 with respect to the car shock absorber 12.
- the upper surface of the working column 20 is located below the position of the upper surface of the car shock absorber 12 when not compressed, and above the position of the upper surface of the car shock absorber 12 when fully compressed.
- the mounting bracket 16 is provided with a roller 21 in contact with the outer peripheral surface of the cam 19.
- the operating column 20 hits the cam 19 and rotates the cam 19 in the clockwise direction in FIG.
- the distance of the portion of the cam 19 that contacts the roller 21 from the rotating shaft 19a increases, and the car connecting portion 11a moves to the interference avoidance position against the normal position holding spring 18.
- the car position when the facing portion 19b hits the upper surface of the working column 20 is the reference position.
- the reference position is set below the car position when the lowest floor is stopped. Further, the reference position is set below the car position when the car shock absorber 12 starts to be compressed and above the car position when the car shock absorber 12 is fully compressed.
- the operating column 20 does not interfere with the car 1 until the car 1 fully compresses the car shock absorber 12. That is, the operating column 20 does not prevent the car 1 from being lowered to the position where the car shock absorber 12 is fully compressed.
- An arm 22 is fixed to the car guide rail 4 arranged on the opposite side to the counterweight 2 with respect to the car 1.
- the control cable support 10 is fixed to the car guide rail 4 via the arm 22.
- the control cable 9 is arranged so as not to interfere with the retreat space 13 even when the car 1 moves to a position where the car shock absorber 12 is fully compressed.
- the cage end of the control cable is moved by rotating the screw rod by a motor, so that it takes time to move the control cable.
- the interference preventing apparatus 14 according to the first embodiment can immediately move the car connecting portion 11a to the interference avoiding position by moving the car 1 downward from the reference position.
- the car connecting portion 11a is held at the normal position over the entire movement range of the car 1 during normal operation, and the car 1 is larger. An eccentric load can be more reliably avoided.
- the car 1 compresses the car shock absorber 12. Only when this is done, the car connecting portion 11a can be moved to the interference avoidance position.
- the car connecting portion 11a When the car 1 is located above the reference position, the car connecting portion 11a is held at the normal position by the normal position holding spring 18, and the cam 19 rotates when the car 1 moves below the reference position. Since the car connecting portion 11a is moved to the interference avoidance position against the normal position holding spring 18, the car connecting portion 11a can be moved to the interference avoiding position with a compact configuration.
- the reference position can be set with a simple configuration, and the cam 19 can be rotated more reliably.
- the operation column 20 is shown as the operation member.
- the operation member may be fixed to a car shock absorber, for example.
- an operating member that is displaced by colliding with the car shock absorber may be provided on the car side, and the cam may be rotated by the displacement of the operating member.
- the car connecting part can be immediately moved to the interference avoidance position, it is detected by a sensor or switch that the car has reached the reference position, the cam is rotated by the motor, or the car connecting part is moved directly by the motor. You may let them.
- it is good also as a structure which provides the cam 19 in advance with the rotational force which returns to the original position by providing a torsion spring in the rotating shaft 19a.
- FIG. 4 is an enlarged view showing a main part of an elevator apparatus according to Embodiment 2 of the present invention.
- a hook member 31 is fixed to the mounting bracket 16.
- a hook 32 is rotatably provided on the emergency stop frame 8. The hook 32 is hooked on the hook member 31 when the car connecting portion 11a is located at the normal position.
- a spring receiving member 33 is fixed to the lower part of the emergency stop frame 8.
- An avoidance position moving spring (compression spring) 34 is provided between the spring receiving member 33 and the mounting bracket 16. The avoidance position moving spring 34 gives a force for moving the car connecting portion 11a from the normal position to the interference avoiding position.
- a detection switch 35 for detecting that the car 1 has reached the reference position is provided in the hoistway 3.
- An actuator 36 is provided on the emergency stop frame 8. When the detection switch 35 detects that the car 1 has reached the reference position, the actuator 36 rotates the hook 32 and removes the hook 32 from the hooking member 31.
- the car connecting portion 11a When the car 1 is positioned above the reference position, the car connecting portion 11a is held at the normal position by the hook 32. When the car 1 reaches the reference position, the holding state of the car connection part 11a by the hook 32 is released, the avoidance position moving spring 34 is restored, and the car connection part 11a moves to the interference avoidance position.
- the interference prevention device 37 includes a spring receiving member 33, an avoidance position moving spring 34, a detection switch 35, and an actuator 36. Other configurations and operations are the same as those in the first embodiment.
- the car connecting portion 11a can be immediately moved to the interference avoidance position regardless of the descending speed of the car 1.
- the detection switch 35 detects that the car 1 has reached the reference position, and the hook 32 is displaced by the actuator 36.
- the sensor detects that the car 1 has reached the reference position. May be.
- it may be mechanically detected by the operating member that the car 1 has reached the reference position, and the hook may be displaced.
- the layout of the whole elevator apparatus is not limited to Embodiment 1, 2,
- this invention is applicable also to the elevator apparatus by which a counterweight is arrange
- the compensating body is not limited to the compensation cable 11 and may be a compensation chain, for example.
- the car shock absorber 12 is erected at the bottom of the hoistway 3, but the car shock absorber can be mounted on the lower part of the car. Further, the present invention can be applied to various types of elevator apparatuses.
- the present invention includes a 1: 1 roping type elevator device, a 2: 1 roping type elevator device, an elevator device having a machine room above the hoistway, a machine room-less elevator, a multi-car type elevator device, Or it can apply also to a double deck elevator apparatus etc.
Abstract
Description
実施の形態1.
図1はこの発明の実施の形態1によるエレベータ装置を示す構成図であり、この例では定格速度が105m/min以下のエレベータ装置を示している。図において、かご1及び釣合おもり2は、懸架体(図示せず)により昇降路3内に吊り下げられており、巻上機(図示せず)の駆動力により昇降路3内を昇降する。 Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
FIG. 1 is a block diagram showing an elevator apparatus according to
また、かご緩衝器に衝突することで変位する作動部材をかご側に設け、作動部材の変位によりカムを回転させるようにしてもよい。
さらに、かご接続部を干渉回避位置に即座に移動させることができれば、かごが基準位置に達したことをセンサ又はスイッチにより検出し、モータでカムを回転させたり、モータでかご接続部を直接移動させたりしてもよい。
さらにまた、回転軸19aに捻りばねを設けるなどして、元の位置に戻る回転力をカム19に予め与えておく構成としてもよい。これにより、かご接続部11aが干渉回避位置に移動した状態からかご1を上昇させることで、通常位置保持ばね18の復元力により、かご接続部11aを通常位置に戻しつつ、カム19を逆方向へ回転させて元の位置に戻すことができる。 In the first embodiment, the
Further, an operating member that is displaced by colliding with the car shock absorber may be provided on the car side, and the cam may be rotated by the displacement of the operating member.
Furthermore, if the car connecting part can be immediately moved to the interference avoidance position, it is detected by a sensor or switch that the car has reached the reference position, the cam is rotated by the motor, or the car connecting part is moved directly by the motor. You may let them.
Furthermore, it is good also as a structure which provides the
次に、図4はこの発明の実施の形態2によるエレベータ装置の要部を示す拡大図である。取付金具16には、引っ掛け部材31が固定されている。非常止め枠8には、フック32が回転可能に設けられている。フック32は、かご接続部11aが通常位置に位置するとき、引っ掛け部材31に引っ掛けられている。
Next, FIG. 4 is an enlarged view showing a main part of an elevator apparatus according to
さらに、コンペンセーティング体はコンペンケーブル11に限定されるものではなく、例えばコンペンチェーンであってもよい。
さらにまた、実施の形態1、2では、昇降路3の底部にかご緩衝器12を立てたが、かご緩衝器はかごの下部に搭載することもできる。
また、この発明は、種々のタイプのエレベータ装置に適用できる。例えば、この発明は、1:1ローピング方式のエレベータ装置、2:1ローピング方式のエレベータ装置、昇降路の上部に機械室を持つタイプのエレベータ装置、機械室レスエレベータ、マルチカー方式のエレベータ装置、又はダブルデッキエレベータ装置等にも適用できる。 Moreover, the layout of the whole elevator apparatus is not limited to
Furthermore, the compensating body is not limited to the
Furthermore, in the first and second embodiments, the
Further, the present invention can be applied to various types of elevator apparatuses. For example, the present invention includes a 1: 1 roping type elevator device, a 2: 1 roping type elevator device, an elevator device having a machine room above the hoistway, a machine room-less elevator, a multi-car type elevator device, Or it can apply also to a double deck elevator apparatus etc.
Claims (7)
- 昇降路内を昇降するかご、
前記昇降路内を前記かごとは反対方向へ昇降する釣合おもり、
水平方向へ移動可能に前記かごに接続されているかご接続部と、前記釣合おもりに接続されている釣合おもり接続部とを有しており、前記かご及び前記釣合おもりから前記昇降路内に吊り下げられているコンペンセーティング体、
前記昇降路の底部への前記かごの衝突の衝撃を緩和するかご緩衝器、及び
前記かごが前記昇降路の下部の基準位置に達すると、前記かご接続部を水平方向へ移動させて、前記かご緩衝器の全圧縮時に、前記昇降路の底部に設定されている退避スペースに前記コンペンセーティング体が干渉するのを防止する干渉防止装置
を備えているエレベータ装置。 A car that goes up and down in the hoistway,
A counterweight that moves the car up and down in the opposite direction in the hoistway;
A car connecting part connected to the car movably in the horizontal direction; and a counterweight connecting part connected to the counterweight, and the hoistway from the car and the counterweight A compensating body suspended within,
A car shock absorber for mitigating the impact of the car on the bottom of the hoistway; and when the car reaches a reference position at the lower part of the hoistway, the car connecting part is moved in the horizontal direction to move the car The elevator apparatus provided with the interference prevention apparatus which prevents that the said compensating body interferes in the evacuation space set to the bottom part of the said hoistway at the time of full compression of a buffer. - 前記基準位置は、最下階停止時のかご位置よりも下方に設定されている請求項1記載のエレベータ装置。 The elevator apparatus according to claim 1, wherein the reference position is set below the car position when the lowest floor is stopped.
- 前記基準位置は、前記かご緩衝器が圧縮され始めるときのかご位置よりも下方で、前記かご緩衝器が全圧縮されたときのかご位置よりも上方に設定されている請求項1又は請求項2に記載のエレベータ装置。 The reference position is set below a car position when the car shock absorber starts to be compressed and above a car position when the car shock absorber is fully compressed. The elevator apparatus as described in.
- 前記かご接続部は、通常位置と、真上から見て前記通常位置よりも前記かごの中央から遠い干渉回避位置との間で移動可能になっており、かつ、前記かごが前記基準位置よりも上方に位置するときには、前記通常位置に保持されている請求項1から請求項3までのいずれか1項に記載のエレベータ装置。 The car connecting portion is movable between a normal position and an interference avoidance position farther from the center of the car than the normal position when viewed from directly above, and the car is more than the reference position. The elevator apparatus according to any one of claims 1 to 3, wherein the elevator apparatus is held at the normal position when positioned upward.
- 前記かご接続部は、前記かごが前記基準位置よりも上方に位置するときには、通常位置保持ばねにより前記通常位置に保持されており、
前記干渉防止装置は、前記かごに回転可能に設けられており、回転することにより前記通常位置保持ばねに抗して前記かご接続部を前記干渉回避位置に移動させるカムを有している請求項4記載のエレベータ装置。 The car connecting portion is held at the normal position by a normal position holding spring when the car is positioned above the reference position,
The said interference prevention apparatus is provided in the said basket so that rotation is possible, It has a cam which moves the said car connection part to the said interference avoidance position against the said normal position holding spring by rotating. 4. The elevator apparatus according to 4. - 前記干渉防止装置は、前記昇降路の底部に設けられており、前記かごが前記基準位置よりも下方へ移動することにより前記カムに当たって前記カムを回転させる作動部材をさらに有している請求項5記載のエレベータ装置。 The said interference prevention apparatus is provided in the bottom part of the said hoistway, and further has the operation member which rotates the said cam against the said cam, when the said cage | basket | car moves below the said reference position. The elevator apparatus as described.
- 前記かご接続部は、前記かごが前記基準位置よりも上方に位置するときには、前記かごに設けられているフックにより前記通常位置に保持されており、
前記干渉防止装置は、前記通常位置から前記干渉回避位置に移動させる力を前記かご接続部に与えている回避位置移動ばねを有しており、前記かごが前記基準位置に達すると前記フックによる前記かご接続部の保持状態を解除する請求項4記載のエレベータ装置。 The car connecting portion is held in the normal position by a hook provided in the car when the car is located above the reference position,
The interference prevention device includes an avoidance position moving spring that applies a force to the car connecting portion to move from the normal position to the interference avoidance position, and when the car reaches the reference position, the hook causes the hook to move. The elevator apparatus of Claim 4 which cancels | releases the holding | maintenance state of a car connection part.
Priority Applications (4)
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DE112015006414.1T DE112015006414T5 (en) | 2015-04-03 | 2015-04-03 | winder |
CN201580078371.4A CN107406226A (en) | 2015-04-03 | 2015-04-03 | Lift appliance |
JP2017509134A JP6301010B2 (en) | 2015-04-03 | 2015-04-03 | Elevator equipment |
PCT/JP2015/060659 WO2016157535A1 (en) | 2015-04-03 | 2015-04-03 | Elevator device |
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PCT/JP2015/060659 WO2016157535A1 (en) | 2015-04-03 | 2015-04-03 | Elevator device |
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PCT/JP2015/060659 WO2016157535A1 (en) | 2015-04-03 | 2015-04-03 | Elevator device |
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CN (1) | CN107406226A (en) |
DE (1) | DE112015006414T5 (en) |
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WO2020188787A1 (en) * | 2019-03-20 | 2020-09-24 | 株式会社日立製作所 | Elevator device |
WO2021192209A1 (en) * | 2020-03-27 | 2021-09-30 | 三菱電機株式会社 | Position detection device for elevator and elevator control system using same |
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JP5984174B2 (en) * | 2013-08-14 | 2016-09-06 | 三菱電機株式会社 | Elevator control cable guide device |
WO2015033423A1 (en) * | 2013-09-05 | 2015-03-12 | 三菱電機株式会社 | Rope-like body guiding device for elevator |
CN104326329A (en) * | 2014-10-27 | 2015-02-04 | 森赫电梯股份有限公司 | Elevator compensating chain guide device for small machine room |
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- 2015-04-03 CN CN201580078371.4A patent/CN107406226A/en active Pending
- 2015-04-03 DE DE112015006414.1T patent/DE112015006414T5/en not_active Withdrawn
- 2015-04-03 WO PCT/JP2015/060659 patent/WO2016157535A1/en active Application Filing
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US1822153A (en) * | 1930-05-20 | 1931-09-08 | Westinghouse Electric & Mfg Co | Control cable hanger |
JPS62230588A (en) * | 1986-03-29 | 1987-10-09 | 株式会社東芝 | Balance rope device for elevator |
JPH06135657A (en) * | 1992-10-26 | 1994-05-17 | Hitachi Ltd | Installation structure for elevator tail cord |
JP2005350214A (en) * | 2004-06-10 | 2005-12-22 | Mitsubishi Electric Corp | Cable suspension device for elevator |
JP2014105040A (en) * | 2012-11-22 | 2014-06-09 | Hitachi Ltd | Elevator device |
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JPWO2016157535A1 (en) | 2017-07-13 |
DE112015006414T5 (en) | 2018-01-11 |
CN107406226A (en) | 2017-11-28 |
JP6301010B2 (en) | 2018-03-28 |
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