JP2005041649A - Elevator device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an elevator device allowing easy rescue of passengers in a car when abnormally stopped in the state where a car-side mass is balanced with a balancing weight mass. <P>SOLUTION: When the car 7 is abnormally stopped, rescue workers 18 at an elevator hall 2 use a remote controller 17 for releasing the brake of a hoist 4. When both of the car 7 and the balancing weight 9 are not elevated up and down, a rescue motor 20 is energized. Thus, the car 7 is driven to be elevated up and down via a tension pulley 14 and a speed governor rope 15 and the car 7 is landed on the nearest elevator hall 2, and then passengers in the car 7 are rescued. When both are not elevated up and down with the brake of the hoist 4 released, troublesome work for loading a rescue operating deadweight into the car 7 is omitted, quick and easy rescue of the passengers in the car 7 is allowed with simple work and the feelings of insecurity of the passengers shut up in the car 7 are reduced. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  In the present invention, a main rope wound around a hoisting machine is suspended from a hoistway, a car is connected to one end of the main rope, and a counterweight is connected to the other end. The present invention relates to an elevator apparatus in which a basket is operated up and down.

  In a conventional elevator apparatus, a main rope wound around a hoisting machine is suspended from a hoistway, a car is connected to one end of the main rope, and a counterweight is connected to the other end. The car is driven up and down via Further, when the car is abnormally stopped between the landings provided in the hoistway due to a power failure, failure, etc., the hoisting machine brake is intermittently released by human operation. Accordingly, when there is a difference between the weight including the number of passengers in the car and the weight of the counterweight, the heavier of the car and the counterweight descends.

  In this way, the car is moved up and down to stop the car at the landing provided in the hoistway and rescue the passengers in the car. However, when there is little difference between the car-side mass and the counterweight mass, both of them remain stopped even when the brake of the hoisting machine is released. For this reason, prior to rescue operation, after the rescue operation weight is loaded on one of the above, the hoisting machine brake is released and the car is moved up and down to stop at the landing of the hoistway. Rescue operation is performed. (For example, refer to Patent Document 1).

Japanese Unexamined Patent Publication No. 2000-169055 (page 3, FIG. 1)

  In the conventional elevator apparatus, when there is a difference between the car-side mass and the counterweight mass when the car stops abnormally due to a failure or the like, the passengers in the car can be rescued with a small number of tasks. However, when there is little difference between the weight of the car and the weight of the counterweight, both of the above do not move up and down even when the brake of the hoisting machine is released. For this reason, it takes a complicated work to load the weight for rescue operation on one of the car and the counterweight, and it takes a long time to rescue passengers in the car due to the work of loading the weight. It was.

  The present invention has been made to solve such problems, and can easily rescue passengers in a car when the car stops abnormally in a state where the car-side mass and the weight of the counterweight are in balance. The purpose is to obtain an elevator device that can be used.

  In the elevator apparatus according to the present invention, a main rope that is suspended from a hoistway, one end is connected to a car and the other end is connected to a counterweight, and is wound around a hoist, and is endless and has an upper end. A governor rope installed near the lower end of the hoistway and a governor rope installed near the hoistway and connected to the car with one side connected to the car, A remote controller that is sometimes manually operated to release the brakes of the hoisting machine, and is engaged by a tensioned vehicle and is energized by a manual operation when necessary to drive the tensioned vehicle. A rescue motor that moves up and down is provided. Then, when the car is abnormally stopped, a rescue operation is performed in which the car is moved up and down to the landing provided in the hoistway by the manual operation of the remote controller and the urging of the rescue motor by the manual operation.

  As described above, the present invention has a main rope suspended from a hoistway, one end connected to a car and the other end connected to a counterweight and wound around a hoist, and is endless and close to the upper end of the hoistway. A governor rope that is wound around the installed speed governor and a tensioned vehicle installed near the lower end of the hoistway, and one side is connected to the car to transmit the car up and down movement to the speed governor, and when necessary A remote controller that is operated to release the brake of the hoisting machine, and is engaged by the tensioning wheel and is energized by human operation when necessary to drive the tensioning wheel, and the car is moved up and down via the governor rope. And a rescue motor. Then, when the car is abnormally stopped, a rescue operation is performed in which the car is moved up and down to a landing provided in the hoistway by the manual operation of the remote controller and the urging of the rescue motor by the manual operation.

  As a result, when the car stops abnormally due to a failure or the like, the rescue worker releases the hoisting machine brakes with the remote controller at the landing, and if the difference between the car-side mass and the weight of the counterweight is small, The rescue motor is energized by the remote controller to drive the tensioning vehicle. Then, the rotation of the tension wheel is transmitted to the governor rope, the car is driven up and down, the car is landed on the nearest landing, and the passengers in the car are rescued. For this reason, when the difference between the car-side mass and the weight of the counterweight is small, it is possible to save troublesome work such as loading a rescue operation weight on the car side or the like. Therefore, when the difference between the car-side mass and the weight of the counterweight is small, and the car and the counterweight do not move up and down even if the braking operation of the hoisting machine brake is released, the passengers in the car can be easily operated. Can be rescued quickly and easily, and can reduce the anxiety of passengers trapped in the car.

Embodiment 1 FIG.
1 to 4 are diagrams showing an example of an embodiment of the present invention. FIG. 1 is a longitudinal sectional view of a hoistway, FIG. 2 is a side view of a landing in FIG. 1, and FIG. FIG. 4 is a side view of FIG. In the figure, a plurality of landings 2 are provided apart from each other in the hoistway 1, a hoisting machine 4 is installed on a support beam 3 provided at the upper end of the hoistway 1, and the hoisting machine 4 extends horizontally from the hoisting machine 4. A deflecting vehicle 5 is set apart.

  Further, a car guide rail 6 is erected on the hoistway 1, and a car 7 is engaged with the car guide rail 6 so as to be movable up and down. Further, a counterweight guide rail 8 is erected on the hoistway 1 in a horizontal direction away from the car guide rail 6, and the counterweight 9 is engaged with the counterweight guide rail 8 so as to be movable up and down. The Further, the main rope 10 is wound around the hoist 4 and the deflector 5 and suspended from the hoistway 1, one end is connected to the car 7, and the other end is connected to the counterweight 9.

  The speed governor 12 is installed on a support arm 11 that is fastened near the upper end of the car guide rail 6 and arranged horizontally, and the support that is fastened near the lower end of the car guide rail 6 and arranged horizontally. A tension wheel 14 is pivotally attached to the arm 13. An endless governor rope 15 is wound around the governor 12 and the tension wheel 14 and one side is connected to the car 7.

  In addition, a remote controller 17 comprising a switch connected to a brake (not shown) of the hoisting machine 4 by a connection cord 16 is provided, and is manually operated by a rescue worker 18 when necessary, and the brake of the hoisting machine 4 The braking operation is released. Then, a rescue motor 20 is mounted on a mounting plate 19 provided at the tip of the support arm 13, and the rescue motor 20 is energized by a rescue operation switch (not shown) provided in the remote controller 17 when necessary. The tension wheel 14 is driven through the transmission mechanism 21 that performs the above operation.

  The transmission mechanism 21 includes a drive vehicle 22 composed of a sprocket wheel fixed to the output shaft of the rescue motor 20, a peristaltic vehicle 23 composed of a sprocket wheel and rotating with the tensioning vehicle 14, and an endless drive vehicle 22 and the peristaltic vehicle 23. It is comprised by the winding transmission strip 24 which consists of a wound roller chain. The hall 2 is provided with an entrance 25, a hall door 26 for opening and closing the entrance 25, and an inspection hole 27 penetrating the wall of the edge of the entrance 25.

  In the elevator apparatus configured as described above, a known normal operation of the elevator is performed via the hoist 4 and the speed governor 12. That is, the hoisting machine 4 is energized, the main rope 10 is driven, and both the car 7 and the counterweight 9 move up and down in opposite directions, and the car 7 stops at the required landing 2. Moreover, when the elevator speed of the car 7 is detected by the governor 12, and the elevator speed exceeds a predetermined value, the abnormal speed control is performed.

  Then, when the car 7 stops between the landings 2 due to a failure or the like, that is, abnormally stops, the rescue worker 18 opens the landing doors 26 through the inspection holes 27 in the landings 2 and the hoisting machine 4 The remote controller 17 connected to is pulled out, and the brake operation of the brake of the hoisting machine 4 is released by the remote controller 17. Thereby, when the difference between the mass including the passengers in the car 7 and the mass of the counterweight 9 is large, the heavier of the two moves downward.

  Then, when the car 7 reaches the nearest landing 2, the hoisting machine 4 is braked by the remote controller 17 to stop the car 7 and rescue passengers in the car 7 to the landing 2. However, when the difference between the weight of the car 7 and the weight of the counterweight 9 is small, both of them remain stopped even if the braking operation of the brake of the hoisting machine 4 is released. At this time, the rescue motor 20 is energized by the rescue operation switch of the remote controller 17 and the tension wheel 14 is driven via the transmission mechanism 21.

  Thus, the rotation of the tension wheel 14 is transmitted to the governor rope 15 and the car 7 is driven up and down. As a result, the balance between the weight of the car 7 side and the weight of the counterweight 9 is canceled, the car 7 moves up and down, and the rescue motor 20 is moved by the remote controller 17 when the car 7 reaches the nearest landing 2. Be extinguished. Next, the hoisting machine 4 is braked to stop the car 7 and rescue the passengers in the car 7 to the landing 2.

  When the difference between the weight of the car 7 side and the weight of the counterweight 9 is small due to the rescue operation described above, it is complicated to load a rescue operation weight on one of the car 7 side and the counterweight 9. You can save time. Therefore, when the difference between the weight of the car 7 side and the weight of the counterweight is small, and both of them do not move up and down even if the braking operation of the brake of the hoisting machine 4 is released, the passengers in the car 7 can be easily operated. Can be rescued quickly and easily, and the anxiety of passengers trapped in the car 7 can be reduced.

  In addition, a battery power source for energizing the rescue motor 20 is provided, and a rescue operation control circuit for connecting the battery power source to the rescue motor 20 when a passenger in the car 7 is rescued is provided. In the elevator apparatus configured as described above, when the car 7 is abnormally stopped due to a power failure of the elevator apparatus, and the difference between the car 7 side mass and the weight of the counterweight 9 is small, the car 7 is operated by operating the remote controller 17. The passenger can be rescued quickly and easily, and the anxiety of the passenger trapped in the car 7 can be reduced.

  Further, one end of the support arm 13 is pivotally attached to the car guide rail 6, and a tension wheel 14 is pivotally attached to the other end of the support arm 13 and tension is applied to the governor rope 15 by a weight (not shown). Is configured to be granted. In this configuration, the rescue motor 20 and the transmission mechanism 21 form a weight.

  Even in such a configuration, if the car 7 stops abnormally and the car 7 or the like does not move up and down even when the braking of the hoisting machine 4 is released, the passenger in the car 7 can be easily rescued by operating the remote controller 17. Can do. In addition, the cost corresponding to the manufacturing cost of the weight for applying tension to the governor rope 15 can be reduced.

Embodiment 2. FIG.
5 and 6 are diagrams showing an example of another embodiment of the present invention. FIG. 5 is a view corresponding to FIG. 3, and FIG. 6 is a side view of FIG. In addition, the elevator apparatus is comprised similarly to above-mentioned FIGS. 1-4 except FIG.5 and FIG.6. In the figure, the same reference numerals as those in FIGS. 1 to 4 denote corresponding parts. A rescue motor 29 is mounted on a mounting plate 28 provided at the tip of the support arm 13, and the tension wheel 14 is attached to the output shaft of the rescue motor 29. Directly fixed.

  Even in the elevator apparatus configured as described above, when the car 7 is abnormally stopped due to a failure or the like, when the difference between the car 7 side mass and the weight of the counterweight is small, the rescue operation switch of the remote controller 17 is used. The rescue motor 20 is energized and the car 7 is driven up and down.

  As a result, the balance between the car 7 side mass and the weight of the counterweight is canceled, and the car 7 is moved to the nearest landing 2 to rescue the passengers in the car 7. Therefore, although the detailed description is omitted, the same operation as the embodiment of FIGS. 1 to 4 can be obtained also in the embodiment of FIGS.

It is a figure which shows Embodiment 1 of this invention, and is a longitudinal cross-sectional view of a hoistway. The side view of the hall in FIG. FIG. FIG. 4 is a side view of FIG. 3. FIG. 5 is a diagram showing a second embodiment of the present invention, and is a view corresponding to FIG. 3 described above. The side view of FIG.

Explanation of symbols

1 hoistway, 4 hoisting machine, 7 car, 9 counterweight, 10 main rope, 12
Speed governor, 14 tensioner, 15 speed governor rope, 17 remote controller, 20 rescue motor, 29 rescue motor.

Claims (3)

A main rope suspended from a hoistway and having one end connected to a car and the other end connected to a counterweight and wound around a hoisting machine, an endless shape, a speed governor installed near the upper end of the hoistway, and the above A governor rope that is wound around a tension wheel installed near the lower end of the hoistway, one side is connected to the car, and transmits the ascending / descending operation of the car to the governor, and is manually manipulated when necessary. A remote controller that releases the brake of the hoisting machine, and is engaged with the tensioning wheel and is energized by human operation when necessary to drive the tensioning wheel, and the car is moved up and down via the governor rope. A rescue motor that moves, and when the car stops abnormally, rescue operation that moves the car up and down to a landing provided in the hoistway by the manual operation of the remote controller and the activation of the rescue motor by human operation Elevator device to perform. The tensioning wheel shall be arranged near the lower end of the hoistway and be equipped so as to be able to descend, and the rescue motor shall be engaged with the tensioning wheel and apply tension to the governor rope by its own weight. The elevator apparatus according to claim 1. A battery power source for energizing the rescue motor and a rescue operation control circuit for connecting the battery power source to the rescue motor when necessary, and energizing the rescue motor by the battery power source when the car stops abnormally The elevator apparatus as described in any one of Claim 1 and Claim 2 characterized by the above-mentioned.

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