CN108883907B - Elevator device - Google Patents
Elevator device Download PDFInfo
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- CN108883907B CN108883907B CN201780022622.6A CN201780022622A CN108883907B CN 108883907 B CN108883907 B CN 108883907B CN 201780022622 A CN201780022622 A CN 201780022622A CN 108883907 B CN108883907 B CN 108883907B
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- unlocking
- elevator
- engaged
- car
- engaging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Door Apparatuses (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention provides an elevator device which can easily unlock a car door locking device from a waiting hall side even in a situation that power supply is unavailable such as power failure. The elevator device comprises car doors (15, 16), an engaged body (21) connected with the car doors, an engaged body (18) engaged with the engaged body, and an electromagnetic device (19) driving the engaged body by electromagnetic force, and has the following structure: when the elevator car is not in the openable and closable area of the car door in the lifting passage, the engaged body is engaged with the engaging body to lock the car door, when the elevator car is in the openable and closable area of the car door, the engaged body is driven by the electromagnetic device to release the lock of the car door, the elevator device is provided with an unlocking body (22) which is contacted with the engaging body and can drive the engaged body, and an unlocking device operating body (23) of which one end is connected with the unlocking body and the other end is guided on the surface of the outer side of the car door, and the elevator device is provided with a structure that the unlocking body and the engaged body are driven by operating the unlocking device operating body from the outer side of the elevator car to release the lock of the car door.
Description
Technical Field
The present invention relates to an elevator apparatus including a car door locking apparatus.
Background
As a background art in this field, the following patent document 1 is known. Patent document 1 describes an elevator door device having doors in a waiting hall and an elevator car, respectively, and having 3 or more stop floor numbers, the elevator comprising: the elevator system comprises a waiting hall door locking device which is arranged on a waiting hall door and is unlocked by an unlocking fixed cam arranged on the elevator car side, an elevator car door locking device which is arranged on an elevator car door and is locked when the elevator car runs, and an engaging device which enables the waiting hall door and the elevator car door to be opened and closed integrally, wherein a waiting hall unlocking area of the waiting hall door is set in an engaging area of the engaging device.
Documents of the prior art
Patent document
Patent document 1: japanese laid-open patent publication No. 2-89793
Disclosure of Invention
Problems to be solved by the invention
The door locking device for an elevator car in the elevator apparatus described in patent document 1 is a device that is operated by an electric signal, such as an electromagnetic solenoid or a motor. Therefore, there are problems as follows: for example, in a case where power supply is disabled such as a power failure or an electric signal cannot be given to the door lock device, the door lock device cannot be operated (unlocked). Patent document 1 does not disclose a structure that can unlock the door locking device of the elevator car even in a state where power supply is disabled such as at the time of power failure.
In view of the above, it is an object of the present invention to provide an elevator apparatus capable of easily unlocking a car door locking apparatus from a lobby side even in a situation where power supply is disabled, such as at the time of power failure.
Means for solving the problems
In order to solve the above problem, the present invention is an elevator apparatus having a car door, an engaged member connected to the car door, an engaged member engaged with the engaged member, and an electromagnetic device for driving the engaged member by an electromagnetic force, wherein the elevator apparatus has a configuration in which: when the elevator car is not in the openable and closable region of the car door in the hoistway, the engaged body engages with the engaging body to lock the car door, and when the elevator car is in the openable and closable region of the car door, the engaged body is driven by the electromagnetic device to release the engaged body from the engaged body to release the lock of the car door. The elevator apparatus includes an unlocking body that is in contact with the engaging body and can drive the engaging body, and an unlocking device operating body that has one end connected to the unlocking body and the other end guided on the outer surface of the car door.
More specific configurations of the present invention are described in the claims.
Effects of the invention
According to the elevator apparatus of the present invention, even in a situation where power supply is not possible, such as when power is off, the car door locking apparatus can be easily unlocked from the lobby side.
Problems, structures, and effects other than those described above will be apparent from the following description of the embodiments.
Drawings
Fig. 1 is a schematic diagram showing an example of an elevator apparatus according to the present invention.
Fig. 2 is a schematic view enlarging the periphery of the car door locking apparatus of fig. 1.
Fig. 3 is a schematic view enlarging the left half of fig. 2.
Fig. 4 is a schematic view showing an operation state of the unlocking means of fig. 2.
Fig. 5 is a schematic diagram showing a second example of the unlocking device operating body.
Fig. 6 is a schematic diagram showing a third example of the unlocking device operating body.
Detailed Description
Hereinafter, an elevator apparatus according to the present invention will be described in detail with reference to the accompanying drawings.
Examples
Fig. 1 is a schematic diagram showing an example of an elevator apparatus according to the present invention. As shown in fig. 1, an elevator apparatus 100 according to the present invention includes an elevator car 5 that moves up and down in a hoistway 1, a counterweight 6 that moves up and down together with the elevator car 5, a rope (main rope) 2 connected to the elevator car 5 and the counterweight 6, and a hoist 3 having a sheave (sheave) 4 around which the rope 2 is wound.
Both ends of the hoist rope 2 are fixed to the hoistway 1, and the middle portion of the hoist rope 2 is wound around a sheave 4 of the hoist 3 disposed on the pit (bottom of the hoistway 1) side. An elevator car 5 is suspended and supported between one end of the hoist rope 2 and the hoist 3 (intermediate portion). Further, a counterweight 6 is suspended and supported between the other end of the hoist rope 2 and the hoist 3.
Fig. 2 is a schematic view enlarging the periphery of the car door locking apparatus of fig. 1, and fig. 3 is a schematic view enlarging the left half of fig. 2. As shown in fig. 2, the car doors 15 and 16 include, at upper portions thereof, car door opening/closing devices 40 that are connected to the car doors 15 and 16 and drive the car doors 15 and 16 to open and close, and car door locking devices 50 that are connected to the car door opening/closing devices 40 and can control opening and closing (locking and unlocking) of the car doors.
The car door opening/closing device 40 includes a door frame 7, a door motor 8, a belt 9, and a suspension rail 10. The door frame 7 is fixed to an upper portion of the car doors 15 and 16 on the side of the lobby when viewed from inside the elevator car 5. A door motor 8 is attached to the door frame 7, and a belt 9 driven by the door motor 8 is arranged to be folded back up and down. A suspension rail 10 is attached to the door frame 7 at a portion below the belt 9.
A car door locking apparatus 50 is provided at an upper portion of the hanger 14. The car door locking device 50 includes a support plate 20 fixed to the hanger 14 of the car door opening/closing device 40, an engaged body (a claw portion) 21 attached to the support plate 20, an engaging body 18 engaged with the engaged body 21, and an electromagnetic device (an electromagnetic unlocking device) 19 that rotates (pivots) the engaging body 18.
The engaging body 18 is rotatably supported by a housing 17 provided in an upper portion of the elevator car 5. In a normal state where power can be supplied, when the elevator car 5 is not in a region (landing) where the car doors 15 and 16 can be opened and closed, the engaging body 18 and the engaged body 21 are held in an engaged state at a position where the car doors 15 and 16 are closed, and the car doors 15 and 16 are reliably locked so as not to be opened. Even if the car doors 15, 16 are opened unexpectedly during traveling, the engaging body 18 of the car door locking apparatus 50 engages with the engaged body 21, and therefore the car doors 15, 16 cannot be opened.
On the other hand, when the elevator car 5 reaches the region where the car doors 15 and 16 can be opened and closed, and when an instruction of "unlock" is given to the electromagnetic device 19 as an electric signal, the engaging body 18 is rotated in the unlocking direction (clockwise direction in fig. 2 and 3) by the electromagnetic force of the electromagnetic device 19, and the engaged body 21 is released from the engaging body 18. Therefore, when the belt 9 is driven by the door motor 8, the car doors 15, 16 can be opened.
Various configurations can be employed for the engaging body 18, but an L-shaped lever is preferably employed as in the present embodiment. By forming the engaging body 18 as an L-shaped lever, in a normal state, the end portion 180 of the engaging body 18 that is in contact with the engaged body 21 is given a rotational force in a direction (a locking direction, a counterclockwise direction) in contact with the engaged body 21 by the self weight of the engaging body 18, so that the engaging body 18 and the engaged body 21 are firmly engaged with each other. Therefore, even if vibration is applied to the engaging body 18 from the elevator car 5 side, for example, the state in which the engaging body 18 is engaged with the engaged body 21 can be maintained. Therefore, malfunction due to vibration or the like can be reliably prevented.
In order to maintain the state in which the engaging body 18 is reliably engaged with the engaged body 21 in the state in which the elevator car 5 is not in the region in which the car doors 15 and 16 can be opened and closed, a position holding spring that applies a force in the direction of contact with the engaged body 21 may be provided on the back side of the end portion of the engaging body 18 that contacts the engaged body 21. In this case as well, since the end portion 180 of the engaging body 18 that contacts the engaged body 21 is given a rotational force in the direction of contacting the engaged body 21 (the locking direction, the counterclockwise direction) by the weight of the engaging body 18 itself as described above, the position retaining spring only needs to be capable of applying a force in the direction of contacting the engaged body 21 in an auxiliary manner, and therefore, the position retaining spring can be made sufficiently small. The electromagnetic device 19 for magnetically attracting the engaging body 18 to release the locked state upon receiving the electric signal is configured to rotate the engaging body 18 against the position holding spring.
As specifications of the car door locking apparatus 50 in recent years, (1) when the elevator car 5 is not within a predetermined range (for example, ± 1200mm) with respect to the landing, the car doors 15 and 16 cannot be opened by a force of 1000N by 30mm, and (2) when the elevator car 5 is within the predetermined range from the landing in a situation where power supply is not possible such as a power failure, the car door locking apparatus cannot be opened from the inside of the elevator car 5 without using a special tool, but can be opened from the side of the lobby. The car door locking apparatus 50 of the elevator apparatus 100 according to the present invention is configured to include a mechanical unlocking apparatus in order to satisfy the specification of the above (2) in addition to the specification of the above (1), so that unlocking is not impossible without supplying power as in the conventional art, and even in a situation where power cannot be supplied, the car doors 15 and 16 can be opened by mechanically operating from the outside (lobby side) of the elevator car 5 to release the door lock.
In the present embodiment, the mechanical unlocking device includes an unlocking body 22 rotatably supported by a rotary shaft 26 on a support plate 20, an unlocking device operating body 23 having one end connected to the unlocking body 22 and the other end guided by the outside (lobby side) of the car door 16, a plurality of guides 24 for holding the unlocking device operating body 23, and a stopper 25 for holding the unlocking body 22 at a normal position.
The end of the unlocking device operating body 23 on the hall side is guided by the guide 24 to the vicinity of the door stop, and is provided so as to be able to be gripped and pulled by an operator in the hall. When the unlocking device operating body 23 is pulled, the unlocking body 22 rotates clockwise about the rotation shaft 26, the end (unlocking side end) 220 of the unlocking body 22 comes into contact with the end (locking side end) 180 of the engaging body 18, and the engaging body 18 rotates in the unlocking direction (clockwise) to release the engaged body 21.
The unlocking body 22 is not particularly limited, and various components can be used, but an L-shaped lever is preferably used as the engaging body 18. In the present embodiment, the engaging body 18 and the unlocking body 22 are each formed of an L-shaped lever, and the end portion 180 of the engaging body 18 that contacts the engaged body 21 and the end portion 220 of the unlocking body 22 that contacts the engaging body 18 are disposed so as to face each other. The unlocking body 22 normally gives a rotational force to the end portion (unlocking-side end portion) 220 of the unlocking body 22 in the counterclockwise direction by the own weight of the unlocking body 22, but the end portion 220 of the unlocking body 22 is held at a constant position because the unlocking body 22 is in contact with the stopper 25. At this time, the end portion 220 of the unlocking body 22 is not in contact with the engaging body 18, and the operation of the engaging body 18 is not affected.
Fig. 4 is a schematic view showing an operation state of the unlocking means operating body of fig. 2. Even when the elevator car 5 is deviated from the stopping floor within a predetermined range and stopped at the time of power failure, the car door locking device 50 can be unlocked from the waiting hall side and the car doors 15 and 16 can be opened by operating the mechanical unlocking device operating body.
The specific procedure is as follows. After opening the hall door from the hall side, the operator grasps the end of the unlocking device operating body 23 exposed to the hall side as shown in fig. 4 and pulls it downward. Then, the unlocking mechanism actuator 23 is pulled downward along the plurality of guides 24, and the unlocking mechanism 22 coupled to the other end of the unlocking mechanism actuator 23 is rotated clockwise about the rotation shaft 26.
By the above operation, the unlocking-side end 220 of the unlocking body 22 comes into contact with the locking-side end 180 of the engaging body 18, and finally the engaging body 18 is rotated in the unlocking direction, i.e., in the clockwise direction. The engaged body 21 is forcibly released from engagement with the locking-side end portion 180 of the engaging body 18 by rotation of the engaging body 18. At this time, the mechanical locking of the car doors 15 and 16 by the car door locking apparatus 50 is released, and the engaged body 21 can move to the position shown by the one-dot chain line in fig. 4, so that the car doors 15 and 16 can be opened.
According to such a mechanical unlocking device, the unlocking body 22 coupled to the other end of the unlocking device operating body 23 can be reliably and easily rotated by remote operation from one end (end guided by the car door 16) of the unlocking device operating body 23 on the lobby side. By the rotation of the unlocking body 22, the locking side end 180 of the engaging body 18 can be easily pulled away from the engaged body 21. Further, the unlocking operation by the unlocking body 22 can be performed by the operator grasping one end of the unlocking device operating body 23 on the waiting hall side, which is extended to the easy-to-operate position on the waiting hall side, and pulling it downward, and even when the elevator car 5 is stopped at a position slightly shifted upward and downward from the stop floor, the unlocking operation can be easily performed. Thus, when the elevator car 5 is at a position where it is determined that the passenger can safely go underground to the waiting hall, the car doors 15 and 16 can be manually opened from the waiting hall side, and the passenger in the elevator car 5 can escape from the elevator car 5.
The unlocking device operating body 23 can have various configurations, and when a rope-like member such as a sling rope is used, it is preferable because it can easily guide the end portion thereof to the vicinity of the door stop portion of the lower portion of the car door 16, and it can easily couple the other end portion to the unlocking body 22 so as to give a rotational force in the unlocking direction to the unlocking body 22, and the operator can easily operate the end portion from the hall side.
Other embodiments of the unlocking device actuator 23 include the following two embodiments. Fig. 5 is a schematic diagram showing a second example of the unlocking device operating body. As shown in fig. 5, the unlocking device actuator 23' may be configured by a plurality of rod-shaped members (rods) 27 and a coupling member 28 that couples the plurality of rod-shaped members 27, and each rod-shaped member 27 may be configured to be rotatable about the coupling member 28 with the coupling member 28 as a rotation center. Fig. 6 is a diagram showing a third example of the unlocking device operating body. As shown in fig. 6, the unlocking device operating body 23 ″ may be configured by a Z-shaped member 29 and a rotation center 30 provided at the center of the Z-shaped member 29, and the Z-shaped member 29 may be configured to be rotatable about the rotation center 30.
Since the unlocking body 22 is held at the standby position (the position at the normal time when the unlocking device does not operate) by applying a rotational force in a direction (counterclockwise direction) opposite to the unlocking direction by its own weight at the normal time, even if the elevator car 5 vibrates, the unlocking body 22 does not malfunction the engaging body 18, and the reliability of the car door locking device 50 can be ensured. In particular, when L-shaped levers are used as the engaging body 18 and the unlocking body 22, and the respective positions are held by their own weights at normal times, and the unlocking body 22 and the engaging body 18 are disposed close to and opposed to each other, and the unlocking-side end 220 of the unlocking body 22 is disposed opposed to the locking-side end 180 of the engaging body 18, the car door locking device 50 and the mechanical unlocking device having a simple structure and free from malfunction due to vibration can be formed.
As described above, according to the elevator apparatus of the present invention, when the elevator car stops at the time of power failure, the unlocking of the car door locking apparatus can be easily performed from the side of the lobby.
The present invention is not limited to the above-described embodiments, and includes various modifications. For example, the above embodiments have been described in detail to facilitate understanding of the present invention, but the present invention is not necessarily limited to having all of the described configurations. In addition, a part of the structure of one embodiment may be replaced with the structure of another embodiment, and the structure of another embodiment may be added to the structure of one embodiment. In addition, a part of the configuration of each embodiment can be added, deleted, or replaced with another configuration.
Description of reference numerals:
1: a lifting channel; 2: a sling; 3: a winch; 4: a sheave; 5: an elevator car; 6: a counterweight; 7: a door frame; 8: a door motor; 9: a transmission belt; 10: suspending the guide rail; 11. 12: a roller; 13. 14: a hanger; 15. 16: a car door; 17: a housing; 18: a snap body; 180: an end portion (locked side end portion) of the engaging body; 19: an electromagnetic device (electromagnetic unlocking device); 20: a support plate; 21: a locked body (a locking claw portion); 22: unlocking the body; 220: an end portion (unlock-side end portion) of the unlock body; 23. 23', 23 ": an unlocking device working body; 24: a guide; 25: a stopper; 26: a rotating shaft; 27: a rod-like member; 28: a connecting member; 29: a Z-shaped member; 30: a center of rotation; 40: a car door opening and closing device; 50: a car door locking apparatus; 100: an elevator device.
Claims (7)
1. An elevator device comprises an elevator car lifting in a lifting passage, a balance weight lifting together with the elevator car, a sling connected with the elevator car and the balance weight, and a windlass with a rope wheel winded with the sling,
the elevator arrangement is characterized in that it is provided with,
the elevator device comprises a car door arranged on the elevator car, an engaged body connected with the car door, an engaged body engaged with the engaged body, and an electromagnetic device for driving the engaged body by electromagnetic force,
the elevator device has the following structure: when the elevator car is not in the openable and closable region of the car door in the hoistway, the engaged body engages with the engaging body to lock the car door, and when the elevator car is in the openable and closable region of the car door, the engaged body is driven by the electromagnetic device to release the engaged body from the engaged body to release the lock of the car door,
the elevator device has an unlocking body which is in contact with the engaging body and can drive the engaging body, and an unlocking device operating body which has one end connected with the unlocking body and the other end guided on the surface of the outer side of the car door,
the elevator device has the following structure: the unlocking body and the engaging body are driven by operating the unlocking device operating body from the outside of the elevator car, so that the lock of the car door can be released,
the unlocking body has a structure supported by a rotation shaft and capable of rotating around the rotation shaft,
when the unlocking device operating body is not operated, the end portion of the unlocking body, which is in contact with the engaging body, is imparted with a rotational force in a direction not in contact with the engaging body by the weight of the unlocking body.
2. Elevator arrangement according to claim 1,
the unlocking device working body is composed of a sling.
3. Elevator arrangement according to claim 1,
the unlocking device operating body is composed of a plurality of rod-shaped members and a connecting member for connecting the rod-shaped members,
the rod-shaped member is configured to be rotatable around the coupling member with the coupling member as a rotation center.
4. Elevator arrangement according to claim 1,
the unlocking device operating body is composed of a Z-shaped component and a rotating center arranged at the center of the Z-shaped component,
the zigzag member is configured to be rotatable around the rotation center.
5. Elevator arrangement according to claim 1,
the engaging body has a structure supported by a rotation shaft and rotatable around the rotation shaft,
when the unlocking device operating body is not operated, the end portion of the engaging body, which is in contact with the engaged body, is imparted with a rotational force in a direction of engaging with the engaged body by the weight of the engaging body,
an end portion of the engaging body that contacts the unlocking body and an end portion of the unlocking body that contacts the engaging body are disposed so as to face each other.
6. Elevator arrangement according to claim 1 or 5,
the clamping body and the unlocking body are composed of L-shaped rods.
7. Elevator arrangement according to claim 1 or 5,
the elevator device includes a stopper that prevents the unlocking body from rotating in a direction not contacting the engaging body and holds the unlocking body at a predetermined position when the unlocking device operating body is not operated.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-162621 | 2016-08-23 | ||
| JP2016162621 | 2016-08-23 | ||
| PCT/JP2017/014025 WO2018037613A1 (en) | 2016-08-23 | 2017-04-04 | Elevator device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108883907A CN108883907A (en) | 2018-11-23 |
| CN108883907B true CN108883907B (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780022622.6A Active CN108883907B (en) | 2016-08-23 | 2017-04-04 | Elevator device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6605150B2 (en) |
| CN (1) | CN108883907B (en) |
| WO (1) | WO2018037613A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6787265B2 (en) * | 2017-07-20 | 2020-11-18 | フジテック株式会社 | Elevator landing door unlocking device |
| CN109511439A (en) * | 2018-11-26 | 2019-03-26 | 安徽起林芦笋种植有限公司 | A kind of greenhouse solar protection devices |
| US11945685B2 (en) * | 2020-08-31 | 2024-04-02 | Otis Elevator Company | Magnetically activated elevator door lock |
| CN114003092A (en) * | 2021-10-29 | 2022-02-01 | 深圳康佳电子科技有限公司 | Intelligent display equipment for virtual reality and virtual reality method |
| WO2023199507A1 (en) * | 2022-04-15 | 2023-10-19 | 株式会社日立製作所 | Elevator |
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- 2017-04-04 WO PCT/JP2017/014025 patent/WO2018037613A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018037613A1 (en) | 2018-03-01 |
| CN108883907A (en) | 2018-11-23 |
| JPWO2018037613A1 (en) | 2019-02-21 |
| JP6605150B2 (en) | 2019-11-13 |
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