JP2008056409A - Operation device for elevator in case of earthquake - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an operation device for an elevator in case of an earthquake capable of protecting elevator equipment from the roll of a rope caused by the earthquake by operating a main rope swing prevention device in advance when receiving earthquake information in real time. <P>SOLUTION: This operation device for the elevator in case of an earthquake is provided with the main rope 5 suspending a car 2 and a counterweight 3, a hoisting machine 4 around which the main rope is wound to elevate, lower, and drive the car and the counterweight, a real time earthquake information receiving means 7 for receiving earthquake information in real time, the main rope swing prevention device 8 installed in a shaft, arranged to prevent the obstruction of the running of the elevator at a usual running time, and operating as required to prevent the main rope from rolling, and a control part for stopping the car at a predetermined position set in advance when receiving earthquake prediction information by the real time earthquake information receiving means and operating the main rope swing prevention device to move it to a position for suppressing its rolling. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an elevator operation device for an elevator that protects an elevator device from a lateral swing of a rope caused by an earthquake when real-time earthquake information is received.

Conventionally, in an elevator seismic control operation system, when an earthquake detector is operated, the elevator is stopped at the nearest floor, or when an earthquake with a large seismic intensity is detected by the seismic detector, the earthquake control operation is performed. Yes.
In such seismic control operation, the real-time seismic information is acquired in advance via the network, not after the seismic detector installed in the building operates, but before the seismic wave arrives, There is known an elevator seismic control operation system that is lowered from a car at an evacuation floor or the nearest floor (see, for example, Patent Document 1).

  There are also known earthquake-resistant elevators that prevent the main rope that causes significant rolls from the vertical movement of the cage and counterweight caused by the vertical shaking of the earthquake from getting tangled in the equipment provided in the hoistway. (For example, refer to Patent Document 2).

JP 2004-284758 A JP 2006-27755 A

  The conventional elevator seismic control operation system obtains the magnitude of earthquake motion from information such as magnitude included in real-time earthquake information, and performs seismic control operation such as stopping the nearest floor based on the magnitude of earthquake magnitude, It was intended to evacuate passengers.

  In addition, in the conventional seismic elevator, a rope fixing member that fixes one end of the main rope is provided outside the direction perpendicular to the direction of raising and lowering the car, enclosing the rope fixing member that is raised and lowered as the car is raised and lowered. Since the passage is made up of a wall that has an opening through which the connecting member that connects the rope fixing member penetrates, even if the car and the counterweight bounce up due to a large earthquake, the main rope does not jump out of the passage. However, when real-time earthquake information was received, it was not even considered to protect elevator equipment by operating in advance and suppressing the lateral swing of the main rope.

  The present invention has been made to solve the above-described problems. When the real-time earthquake information is received, the main rope steady rest device is operated in advance so that the elevator apparatus can be prevented from the sideways swing of the rope due to the earthquake. It is intended to provide an elevator operation device for an elevator that is protected.

  In the elevator operation device for an earthquake according to the present invention, a hoistway, a car and a counterweight that move up and down in the hoistway in opposite directions, a main rope that suspends the car and the counterweight, and a main rope are wound around the hoistway. A hoist that drives the car and counterweight to move up and down, a real-time seismic information receiving means that receives real-time earthquake information, and a car are separately installed on the hoistway so that it does not interfere with the elevator during normal driving When the earthquake forecast information is received by the main rope steady rest device and the real-time earthquake information receiving means, which are arranged at the same time and operate to operate when necessary, the car is stopped at a predetermined position and the main rope is stopped. And a controller that operates the rope steadying device to move the rope to a position that suppresses rolling of the main rope.

  According to this invention, since the real-time earthquake information receiving device that receives the real-time earthquake information and the main rope steadying device that operates when receiving the real-time earthquake information and suppresses the roll of the main rope, the earthquake arrives. A certain amount of time can be secured, and the main rope steady rest device can be operated during that time to prevent the elevator equipment from being damaged by the earthquake.

Embodiment 1 FIG.
FIG. 1 is a schematic configuration diagram showing a hoistway of an elevator earthquake operation device according to Embodiment 1 of the present invention, and FIG. 2 is a system configuration diagram showing an overview of an elevator earthquake operation device according to Embodiment 1 of the present invention. FIG. 3 is a perspective view showing the main rope steady rest device of the elevator operation apparatus in earthquake according to Embodiment 1 of the present invention, and FIG. 4 explains the operation of the elevator operation apparatus in earthquake in Embodiment 1 of the present invention. It is a flowchart for doing.

  In the figure, 1 is a hoistway, 2 is an elevator car that moves up and down in the hoistway 1 along a guide rail (not shown), and 3 is raised and lowered in the hoistway 1 along a guide rail (not shown). The counterweight 4 is a hoisting machine, 5 is a main rope wound around the hoisting machine 4, and moves the car 2 and the counterweight 3 up and down in opposite directions. Reference numeral 6 denotes an elevator control panel, and reference numeral 7 denotes a real-time earthquake information receiving device that receives real-time earthquake information. The elevator control panel 6 is provided on the elevator control panel 6. Reference numeral 8 denotes a plurality of main rope steadying devices installed independently of the car 2 at a plurality of locations in the hoistway 1, and 9 denotes a control unit for controlling the operation of the main rope steadying device 8. The main rope steady rest device 8 and the control unit 9 can be folded, expanded and contracted and moved so as not to interfere with traveling during normal traveling. When the earthquake warning information based on real-time earthquake information is received, After stopping the car 2 at a predetermined position set in advance, the car 2 is moved to a horizontal position that suppresses the roll of the main rope 5 to suppress the roll of the main rope 5 due to the earthquake. .

  The main rope steadying device 8 is configured as shown in FIGS. 2 and 3, for example. That is, it has a comb-shaped steady-state part 8a formed so as to move to a horizontal position and sandwich each of the plurality of main ropes 5 from both sides, and this steady-state part 8a at the tip part, A main body portion 8b rotatably attached to a predetermined location of the hoistway 1, and a motor portion 8c provided on the attachment end side of the main body portion 8b for rotating the main body portion 8b from a vertical position to a horizontal position; The main body 8b is provided on the front end side of the main body 8b, and the main body 8b is locked in a vertical position during normal traveling, and is unlocked when receiving real-time earthquake information. Yes. Moreover, the control part 9 is controlling the operation | movement of the main rope steady rest apparatus 8 by using the signal 10a which notifies that the real-time earthquake information and the car 2 stopped in the predetermined position, and the earthquake end information 10b as input information.

Next, the operation of the elevator operation device during an earthquake will be described with reference to FIG.
First, when earthquake prediction information is received by the real-time earthquake information receiving device 7 in step S1, it is confirmed in step S2 whether or not there are passengers in the car 2 with a scale device, an in-car monitoring camera or the like. If there are passengers in step S2, proceed to step S3 to determine whether there is time to arrive at the destination floor before the earthquake occurs. If passengers can be transported to the destination floor, an announcement to that effect is given. Sink (step S4), drop the passenger on the destination floor (step S5). If the passenger cannot be carried to the destination floor in step S3, an announcement to that effect is sent (step S6), and the passenger is lowered on the nearest floor (step S7). At that time, in each of steps S4 and S6, an announcement is made that an earthquake has been predicted, and the car 2 stops and the door is opened, prompting the user to get out of the car immediately. Next, it progresses to step S8 and announcement, a display, the illumination in a car are turned off, etc. so that a passenger may not get in the car 2 again. If it is confirmed in step S9 that there are no passengers in the car, the process proceeds to step S10, and the car 2 is stopped at a preset position, for example, near the intermediate floor of the hoistway. Then, the process proceeds to step S11, and the main rope steady rest device 8 is operated. That is, in step S11, the lock release portion 8d is unlocked, and the main body portion 8B is rotated from the vertical position to the horizontal position (in the direction of arrow A in FIG. 2) by the motor portion 8c. Then, as shown in FIG. 3, each of the plurality of main ropes 5 is sandwiched between the comb teeth of the comb-like steady rest 8a. Thereby, even if an earthquake occurs, the main rope 5 can be prevented from swinging by the main rope steadying device 8, so that the elevator apparatus can be prevented from being damaged. Furthermore, it progresses to step S12, and when an earthquake notice is cancelled | released and an earthquake ends, the main-body part 8B will be rotated by the motor part 8c from a horizontal position to a vertical position (arrow B direction of FIG. 2). And as shown in FIG. 2, the main-body part 8b of the main rope steadying apparatus 8 is returned to a vertical position, and is locked. Thereby, it can return to a normal driving | operation by step S13.

Embodiment 2. FIG.
FIG. 5 is a perspective view showing a main rope steadying device of the elevator operation device for an earthquake according to Embodiment 2 of the present invention.
In the first embodiment, the main rope steady rest device 8 is moved to the horizontal position, and the comb rope shaped steady rest portion 8a is formed so as to sandwich each of the plurality of main ropes 5 from both sides. The main body portion 8b having the steady rest portion 8a at the front end portion and rotatably attached to a predetermined portion of the hoistway 1 is provided on the attachment end side of the main body portion 8b. Motor unit 8c for rotating to a horizontal position, and provided at the front end side of the main body part 8b. During normal traveling, the main body part 8b is locked in the vertical position, and when real-time earthquake information is received, In the second embodiment, as shown in FIG. 5, a main body 8b having a comb-shaped steadying portion 8a at the tip is provided as a hoistway. 1 for example, The main body 8b is locked in the retracted position retracted during normal driving, and receives real-time earthquake information, and moves forward when the car 2 stops at a predetermined position. It is made to move to the protruding position. As a result, each of the plurality of main ropes 5 is sandwiched between the comb teeth of the comb-like steady rest 8a of the main rope steady rest device 8, so that damage to the elevator equipment is prevented even if an earthquake occurs. be able to. Further, when the earthquake notice is canceled and the earthquake is finished, the main body 8B is moved back from the advanced position to the retracted position by an actuator or the like, so that the normal operation can be restored.

It is a schematic block diagram which shows the hoistway of the operation device at the time of the earthquake of the elevator in Embodiment 1 of this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a system block diagram which shows the outline of the operation device at the time of the earthquake of the elevator in Embodiment 1 of this invention. It is a perspective view which shows the main rope steadying apparatus of the operation device at the time of the earthquake of the elevator in Embodiment 1 of this invention. It is a flowchart for demonstrating operation | movement of the operation apparatus at the time of the earthquake of the elevator in Embodiment 1 of this invention. It is a perspective view which shows the main rope steadying apparatus of the operation apparatus at the time of the earthquake of the elevator in Embodiment 2 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Hoistway 2 Elevator car 3 Counterweight 4 Hoisting machine 5 Main rope 6 Elevator control panel 7 Real-time seismic information receiving device 8 Main rope steadying device 8a Comb-shaped steadying unit 8b Main unit 8c Motor unit 8d Unlocking Part 9 Control part 10a Real-time earthquake information and car stop signal 10b Earthquake end information

Claims (6)

A hoistway,
A car and a counterweight that move up and down in the hoistway in opposite directions;
A main rope for suspending the basket and the counterweight;
A hoisting machine on which the main rope is wound, and driving up and down the car and the counterweight;
Real-time earthquake information receiving means for receiving real-time earthquake information;
A main rope steady rest device that is installed separately from the car in the hoistway, arranged so as not to interfere with the travel of the elevator during normal travel, and operates when necessary to suppress the roll of the main rope;
When earthquake prediction information is received by the real-time earthquake information receiving means, the car is stopped at a predetermined position set in advance, and the main rope steadying device is operated to move to a position to suppress the roll of the main rope. A control unit,
A device for driving an elevator during an earthquake.   The main rope steady rest device has a comb-like steady rest portion that moves to a horizontal position and sandwiches each of the main ropes from both sides, and has the steady rest portion at the tip and a predetermined hoistway path. When the main body is pivotally attached to the location, the motor rotates the main body from the vertical position to the horizontal position, and when the main body is locked in the vertical position during normal travel, real-time earthquake information is received. The elevator apparatus according to claim 1, further comprising: a lock releasing unit that releases the lock.   The main rope steady rest device is a comb-shaped steady rest portion that moves forward in the horizontal direction and sandwiches each of the main ropes from both sides, and has the steady rest portion at the tip, and a predetermined hoistway And a main body part attached in a horizontal direction so that the main body part can be moved forward or backward in a horizontal direction, the main body part is in a retracted position during normal traveling, and when receiving real-time earthquake information, the main body part is projected to the advanced position. The elevator operation apparatus for an earthquake according to claim 1.   When there is a passenger in the car when receiving real-time earthquake information, drop the passenger on the destination floor or the nearest floor, stop the car near the middle position of the hoistway, and then operate the main rope steady rest device The elevator operation device for an earthquake according to any one of claims 1 to 3, wherein   5. A re-ride prohibition function, such as turning off the announcement, display, and in-car lighting so as to prevent passengers from entering the car again when the passenger is lowered on the destination floor or the nearest floor. Elevator earthquake operation device. 6. The elevator according to claim 1, wherein when the earthquake ends, the main rope steady rest device returns to a normal traveling position and can return to a normal operation. Driving device during an earthquake.

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