CN114072345B - Passenger rescue method and elevator device - Google Patents
Passenger rescue method and elevator device Download PDFInfo
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- CN114072345B CN114072345B CN201980098256.1A CN201980098256A CN114072345B CN 114072345 B CN114072345 B CN 114072345B CN 201980098256 A CN201980098256 A CN 201980098256A CN 114072345 B CN114072345 B CN 114072345B
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- car
- landing
- door
- main body
- cable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
A door of the 1 st landing is opened, and the car moves from the 1 st landing to above the car (1). After moving above the car (1), the operation device (24) is detached, and the operation device (24) is conveyed to the 1 st landing. After the running device (24) is transported to the 1 st landing, the braking device (10) of the hoisting machine (6) is released. The car (1) is moved upward by releasing the brake device (10), and the car (1) is stopped in a door area where a door (21) of the car (1) can be opened. Thus, passengers trapped in the car (1) are saved.
Description
Technical Field
The invention relates to a method and an elevator arrangement for rescuing passengers trapped in an elevator car.
Background
Documents of the prior art
Patent document
Patent document 1: japanese patent laid-open publication No. 2002-338162
Disclosure of Invention
Problems to be solved by the invention
In the method described in patent document 1, in order to move the car to a height at which passengers can be rescued, it is necessary to replace the rescue weight a plurality of times. Therefore, it takes time until the passenger is rescued, and there is a problem that a burden on a maintenance worker who performs the rescue is large.
The present invention has been made to solve the above problems. The invention aims to provide a passenger rescue method which can rescue passengers trapped in a car in a short time and can reduce the burden of maintenance personnel. In addition, another object of the present invention is to provide an elevator apparatus suitable for the rescue method described above.
Means for solving the problems
The passenger rescue method comprises the following steps: opening a door of a 1 st landing and moving the landing from the 1 st landing to above the car; after moving above the car, removing the operation device for controlling the opening and closing of the door of the car, and transporting the operation device to the 1 st landing; releasing the braking device of the hoisting machine after the operation device is conveyed to the 1 st landing; and moving the car upward by releasing the braking device, so that the car is stopped in a door area where a door of the car can be opened.
An elevator device of the present invention includes: a car and a counterweight that move in a hoistway; a traction machine for driving the car; a control device for controlling the hoisting machine; a cable connected to the control device; and a suspension unit that suspends the car and the counterweight. The hoist is provided with: a drive sheave around which a suspension unit is wound; a 1 st motor for driving the driving rope wheel; and a braking device for keeping the drive sheave stationary. The car possesses: a main body formed with a cage room; a door that opens and closes an entrance formed in the main body; a 2 nd motor generating a driving force for driving the door; and an operation device connected with a cable, detachably arranged on the main body, and used for controlling the 2 nd motor.
Effects of the invention
According to the present invention, it is possible to rescue passengers trapped in the car in a short time and to reduce the burden on the maintenance personnel.
Drawings
Fig. 1 is a diagram showing an example of an elevator apparatus according to embodiment 1.
Fig. 2 is a perspective view showing an example of the car.
Fig. 3 is a flowchart illustrating a passenger rescue method according to embodiment 1.
Fig. 4 is a flowchart showing an example of the work steps after the passenger is rescued.
Detailed Description
The invention is described with reference to the accompanying drawings. Duplicate descriptions are appropriately simplified or omitted. In the drawings, the same reference numerals denote the same or equivalent parts.
Fig. 1 is a diagram showing an example of an elevator apparatus according to embodiment 1. The elevator device includes a car 1 and a counterweight 2. The car 1 moves up and down in the hoistway 3. The counterweight 2 moves up and down in the hoistway 3. The car 1 and the counterweight 2 are suspended in a hoistway 3 by a main rope 4. The main ropes 4 are an example of means for suspending the car 1 and the counterweight 2 in the hoistway 3.
A hoisting machine 6 and a control device 7 are installed in a machine room 5 above the hoistway 3. The hoisting machine 6 includes a drive sheave 8, a motor 9, and a brake device 10. The hoisting machine 6 drives the car 1. For example, the main ropes 4 are wound around the drive sheave 8. The motor 9 drives the sheave 8. That is, the motor 9 generates a driving force for rotating the drive sheave 8. The brake device 10 holds the drive sheave 8 in a stationary state. If the brake device 10 is actuated, the drive sheave 8 does not rotate. When the brake device 10 is released, the drive sheave 8 becomes rotatable.
The control device 7 controls the hoisting machine 6. That is, the movement of the car 1 is controlled by the control device 7. The control device 7 controls devices provided in the car 1. The control device 7 is connected with a cable 11. The cable 11 includes, for example, a cable for control and a cable for power supply.
Fig. 1 shows an example in which the hoisting machine 6 and the control device 7 are installed in the machine room 5, but this is merely an example. The hoisting machine 6 and the control device 7 may be installed in the hoistway 3. When the hoisting machine 6 is installed in the hoistway 3, the hoisting machine 6 may be installed on the ceiling of the hoistway 3 or may be installed in the pit of the hoistway 3.
Fig. 2 is a perspective view showing an example of the car 1. As shown in fig. 1 and 2, the car 1 includes, for example, a main body 20, a door 21, a motor 22, an operation panel 23, an operation device 24, and a fixing member 25.
The main body 20 forms a cage for passengers to ride. The main body 20 includes components for forming a car room, such as a floor, a wall, and a ceiling. The main body 20 may include a frame for supporting a floor or the like. The door 21 is supported by the main body 20. The door 21 opens and closes an entrance formed in the main body 20. The motor 22 generates a driving force for driving the door 21. The car 1 includes a mechanism (not shown) for converting a rotational operation of an output shaft of the motor 22 into an opening/closing operation of the door 21.
The operation panel 23 is provided inside the main body 20. The operation panel 23 is a device for inputting information to passengers in the car room, which is the interior of the main body 20. Information from the operation panel 23 is input to the control device 7 via the operation device 24 and the cable 11.
The operation device 24 is disposed on the main body 20. The operating device 24 controls the motor 22. That is, the opening and closing of the door 21 is controlled by the operation device 24. The cable 11 extending from the control device 7 is connected to the operation device 24. For example, an electric wire constituting a part of the cable 11 is connected to the actuator 24 via the connector 11 a. The electric wire constituting the other part of the cable 11 is connected to the running device 24 via the connector 11 b. The electric wire constituting the other part of the cable 11 is connected to the actuator 24 via the connector 11 c. The cable 11 is connected to the running gear 24 by a plurality of connectors.
The operation device 24 is provided to be attachable to and detachable from the main body 20. For example, the operation device 24 is attached to the main body 20 via a fixing member 25 such as a latch that can be operated manually without using a tool.
In normal operation of the elevator, the car 1 stops at a height corresponding to the height of a landing 12 provided in the building. The normal operation is an operation for causing the car 1 to sequentially respond to registered calls. When the car 1 is disposed at the height of the landing 12, the door 21 of the car 1 faces the door 13 of the landing 12. When the car 1 is disposed at the height of the landing 12, the door 13 of the landing 12 is interlocked with the movement of the door 21. That is, if the door 21 is opened, the door 13 is opened. If the door 21 is closed, the door 13 is closed.
The range in which the door 13 is interlocked with the movement of the door 21 is referred to as a door region. That is, the door area is a range in which the door 21 of the car 1 can be opened. If the car 1 stops at the door area of the landing 12, the door 13 of the landing 12 is linked with the movement of the door 21.
Fig. 1 shows an example in which landings 12a to 12c are provided in a building as landings 12 at which a car 1 stops. The building may be provided with landings other than the landings 12a to 12c. The landing 12b is a landing provided on the floor one above the floor on which the landing 12a is provided. The landing 12c is a landing provided on the floor immediately above the floor on which the landing 12b is provided. A door 13a is provided in the landing 12 a. A door 13b is provided in the landing 12b. A door 13c is provided in the landing 12c.
Fig. 1 shows a state in which the car 1 is stopped between the landings 12a and 12b due to a power failure or the like. Fig. 1 shows an example in which passengers are trapped in the car 1 in a state in which the car 1 and the counterweight 2 are balanced. A method for rescuing passengers in the car 1 in such a situation will be described below.
Fig. 3 is a flowchart illustrating a passenger rescue method according to embodiment 1. For example, when a passenger is trapped in the car 1 (S101), a maintenance worker is dispatched from a management company that manages the elevator apparatus to rescue the passenger. When a car is trapped due to a power failure or the like, the car 1 cannot be moved by the motor 9. Therefore, the maintenance person attempts to move the car 1 by using the difference between the weight of the car 1 and the weight of the counterweight 2.
Specifically, the maintenance person cuts off the power supply of the elevator in order to prevent the unexpected resumption of the operation due to the recovery from the power failure. Next, the serviceman manually releases the brake apparatus 10 of the traction machine 6 by using a specific tool. Thereby, the drive sheave 8 is rotatable. When a passenger is trapped in the car 1, if the car 1 side is lighter than the counterweight 2 side, the brake device 10 is released, and the car 1 is moved upward. When a passenger is trapped in the car 1, if the car 1 side is heavier than the counterweight 2 side, the brake device 10 is released to move the car 1 downward.
On the other hand, when a passenger is trapped in the car 1 in a state where the car 1 and the counterweight 2 are balanced, the car 1 does not move even if the brake device 10 is released. If the car 1 does not move even if the brake device 10 is released, the maintenance worker confirms that the car 1 and the counterweight 2 are in a balanced state (S102).
In this case, the maintenance worker moves to the landing 12b after operating the brake device 10. Then, the maintenance worker opens the door 13b of the landing 12b and moves from the landing 12b to above the car 1 (S103). When the maintenance worker moves onto the car 1, the operation device 24 is detached from the main body 20 (S104).
At S104, the serviceman detaches the connector from the operation device 24, thereby detaching the cable 11 connected to the operation device 24 from the operation device 24. The maintenance worker fixes the cable 11 detached from the running device 24 to the main body 20. When the cable 11 is fixed to the main body 20, an adhesive tape or the like may be used. Next, the maintenance worker removes the operation device 24 from the main body 20 by releasing the fixing member 25.
After detaching the operation device 24 from the main body 20, the maintenance worker conveys the detached operation device 24 to the landing 12b (S105). After the operator places the operation device 24 on the landing 12b, the operator closes the door 13b of the landing 12b and moves the device to the machine room 5.
Next, the maintenance person manually releases the brake device 10 by using a specific tool (S106). In S106, the operation device 24 is detached from the car 1. Therefore, the car 1 is moved upward by releasing the brake device 10. The maintenance worker performs the release operation of the brake device 10 while checking the height of the car 1, and stops the car 1 at the door area of the landing 12 (S107). For example, the maintenance person stops the car 1 at the door area of the landing 12b.
After the car 1 stops at the door area of the landing 12b, the maintenance worker moves to the landing 12b. Then, the maintenance person opens the door 13b and the door 21 from the landing 12b (S108). This allows passengers in the car 1 to get out of the car 1 to the landing 12b.
In the example shown in the present embodiment, the car 1 is made lighter than the counterweight 2 by detaching the operation device 24 from the main body 20. Since the removed running gear 24 is carried to the landing 12, it is not necessary to replace the rescue weight many times in order to move the car 1 as in the conventional case. When the operation device 24 is detached from the main body 20 and the brake device 10 is released, the car 1 can be moved to the door area. Therefore, if the example shown in the present embodiment is used, it is possible to rescue passengers trapped in the car 1 in a short time. Further, the burden on the maintenance personnel can be reduced.
In the example shown in the present embodiment, it is not necessary to provide a weight or the like only for rescuing the passenger. Therefore, the car 1 can be prevented from being unnecessarily heavy.
Fig. 4 is a flowchart showing an example of the work steps after the passenger is rescued. After the passengers trapped in the car 1 are rescued in S108, the maintenance person closes the doors 13b and 21 and moves to the machine room 5 (S201). Next, the maintenance person manually releases the brake apparatus 10 by using a specific tool (S202). In S202, no one is riding in the car 1. Therefore, the car 1 is moved upward by releasing the brake device 10. The maintenance worker performs the release operation of the brake device 10 while checking the height of the car 1, and stops the car 1 at a specific height so as to be movable from the landing 12 onto the car 1 (S203). For example, the maintenance worker can stop the car 1 so as to move from the landing 12c to above the car 1 in S203.
After stopping the car 1 at S203, the maintenance worker moves to the landing 12c. Then, the maintenance worker opens the door 13c of the landing 12c and moves from the landing 12c to above the car 1 (S204). At this time, the serviceman carries the running gear 24 detached from the main body 20 in S104 onto the car 1.
Next, the maintenance worker attaches the operation device 24 to the main body 20 (S205). In S205, the maintenance worker fixes the operation device 24 to the main body 20 using the fixing member 25. The maintenance worker connects the cable 11 detached in S104 to the running device 24. After the operation device 24 is attached to the main body 20, the maintenance worker moves to the landing 12c.
In order to prevent a connection error from occurring when the cable 11 detached in S104 is connected to the operating device 24, a symbol or the like indicating a pair may be printed on a connector provided on the cable 11 and a receptacle as a mating portion thereof. In the case where the cable 11 is connected to the operation device 24 by a plurality of connectors, the plurality of connectors may have different shapes. As another example, the entire cable 11 may be connected to the operation device 24 through one connector.
In the example shown in fig. 4, after the passengers are rescued, the car 1 is moved upward. Therefore, after passengers are rescued at the uppermost landing 12, the maintenance personnel cannot get onto the car 1 thereafter. In consideration of the case where passengers are rescued at the uppermost landing 12, the counterweight 2 may be configured to be vertically dividable.
In this case, the maintenance worker rescues the passenger at the uppermost landing 12 and moves to the pit of the hoistway 3. Then, in the pit, the lower part of the counterweight 2 is separated from the upper part, and the counterweight 2 is made lighter than the car 1. In this state, if the brake device 10 is released, the car 1 can be arranged at a height that can be moved from the uppermost landing 12 to above the car 1. The maintenance worker can get on the car 1 again from the uppermost landing 12 and attach the operation device 24 to the main body 20.
Industrial applicability
The present invention can be used to rescue passengers trapped in the car.
Description of the reference symbols
1: a car; 2: counterweight; 3: a hoistway; 4: a main rope; 5: a machine room; 6: a traction machine; 7: a control device; 8: a drive sheave; 9: an electric motor; 10: a braking device; 11: a cable; 11a to 11c: a connector; 12: a landing; 13: a door; 20: a main body; 21: a door; 22: an electric motor; 23: an operation panel; 24: an operating device; 25: and a fixing component.
Claims (8)
1. A passenger rescue method for rescuing a passenger trapped in a car in a state where the car and a counterweight are balanced in an elevator apparatus in which a suspension unit suspending the car and the counterweight is wound around a drive sheave of a traction machine, comprising the steps of:
opening a door of a 1 st landing and moving from the 1 st landing to above the car;
removing an operation device for controlling opening and closing of a door of the car after the car has moved above the car, and transporting the operation device to the 1 st landing;
releasing a braking device of the hoisting machine after the running device is conveyed to the 1 st landing; and
the car is moved upward by releasing the braking device, and the car is stopped in a door area where a door of the car can be opened.
2. Passenger rescue method according to claim 1, wherein the passenger rescue method further comprises the steps of:
opening doors of the car to allow passengers to exit the car after the car is parked at the door zone;
after the passenger comes out of the car, the car is moved upward by releasing the braking device, and then the car is stopped;
opening a door of a 2 nd landing above the 1 st landing, and moving the car from the 2 nd landing to above the car; and
installing the running gear after moving from the 2 nd landing onto the car.
3. Passenger rescue method according to claim 1 or 2, wherein the passenger rescue method further comprises the steps of:
detaching a cable connected to the running device from the running device when the running device is detached; and
and fixing the cable detached from the running gear to the car.
4. Passenger rescue method according to claim 1 or 2,
after the running device is conveyed to the 1 st landing, the braking device is released and the car is stopped at a door area of the 1 st landing.
5. An elevator device, wherein the elevator device comprises:
a car and a counterweight that move in a hoistway;
a traction machine for driving the car;
a control device that controls the hoisting machine;
a cable connected to the control device; and
a suspension unit that suspends the car and the counterweight,
the hoist is provided with:
a drive sheave around which the suspension unit is wound;
a 1 st motor for driving the driving rope wheel; and
a braking device for keeping the drive sheave stationary,
the car is provided with:
a main body formed with a car room;
a door that opens and closes an entrance formed in the main body;
a 2 nd motor generating a driving force for driving the door; and
and an operation device connected to the cable, attached to the main body in a detachable manner with respect to the main body in which a car room is formed, and configured to control the 2 nd motor.
6. The elevator arrangement according to claim 5,
the car is further provided with a fixing component which can be operated by manpower without using tools,
the operation device is attached to the main body by the fixing member.
7. The elevator arrangement according to claim 5 or 6,
the cable is connected to the running gear by a plurality of connectors,
the plurality of connectors are respectively different in shape.
8. The elevator arrangement according to claim 5 or 6,
the cable is connected to the running gear by a connector.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2019/028873 WO2021014575A1 (en) | 2019-07-23 | 2019-07-23 | Passenger rescue method and elevator device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114072345A CN114072345A (en) | 2022-02-18 |
| CN114072345B true CN114072345B (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201980098256.1A Active CN114072345B (en) | 2019-07-23 | 2019-07-23 | Passenger rescue method and elevator device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6659001B1 (en) |
| CN (1) | CN114072345B (en) |
| WO (1) | WO2021014575A1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000169055A (en) * | 1998-12-02 | 2000-06-20 | Toshiba Corp | Passenger rescue method of elevator |
| JP2001080837A (en) * | 1999-09-13 | 2001-03-27 | Hitachi Ltd | Elevator device |
| JP2002338162A (en) * | 2001-05-14 | 2002-11-27 | Mitsubishi Electric Corp | Passenger rescue device and method for elevator |
| JP2004067274A (en) * | 2002-08-02 | 2004-03-04 | Mitsubishi Electric Building Techno Service Co Ltd | Method for rescuing person shut in elevator car |
| EP1950165A4 (en) * | 2005-11-16 | 2013-11-20 | Mitsubishi Electric Corp | Elevator device |
| CN102015508B (en) * | 2008-06-20 | 2013-09-25 | 三菱电机株式会社 | Elevator device |
| JP2013193878A (en) * | 2012-03-23 | 2013-09-30 | Hitachi Ltd | Passenger rescue device for elevator, elevator system with the same, and passenger rescue method for elevator |
-
2019
- 2019-07-23 CN CN201980098256.1A patent/CN114072345B/en active Active
- 2019-07-23 JP JP2019565968A patent/JP6659001B1/en active Active
- 2019-07-23 WO PCT/JP2019/028873 patent/WO2021014575A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2021014575A1 (en) | 2021-09-13 |
| JP6659001B1 (en) | 2020-03-04 |
| CN114072345A (en) | 2022-02-18 |
| WO2021014575A1 (en) | 2021-01-28 |
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