JP2005320143A - Rescue device for confined passengers in elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rescue device for confined passengers in an elevator car capable of grasping the car elevating/descending speed easily from outside the shaft when the car is elevated and lowered forcedly in order to rescue the passengers confined in the car. <P>SOLUTION: The rescue device for confined passengers in the car elevating and descending in the shaft is equipped with an interlocking motion device installed on a stationary body in the shaft and moving interlocking with the elevating and descending motions of the car, a lighting system installed near the interlocking device and illuminating the interlocking device, and a projection part to which the shade of the interlocking device illuminated by the lighting system is projected, to allow making sure of the motion of the interlocking device from outside the shaft. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an elevator confinement and rescue device used when a passenger is confined in an elevator car due to a power failure or the like.

  If the elevator car stops between the floors due to a power outage, etc., and passengers are trapped in this car, the worker must release the brake device or drive the hoist to rescue the passengers. Forcibly raise or lower the car to the nearest landing. In such a conventional elevator hoisting machine drive device used for forcibly raising and lowering a car during a passenger confinement and rescue operation, the front end side of the brake release operation unit is raised and lowered from the outside of the elevator hoistway. It is inserted into the road and connected to the brake circuit of the hoisting machine installed inside the hoistway, and the brake device of the hoisting machine is electrically released and operated electrically by operating the brake release operation part. There is one that transmits the rotational force of the rotary shaft of the portable tool to the rotary shaft of the hoisting machine via the transmission means (see, for example, Patent Document 1).

JP 2001-19309 A

  When a passenger is confined in an elevator car and the elevator hoisting machine driving device described in Patent Document 1 is used to forcibly raise and lower the car to rescue the passenger, Since operations with portable tools can be performed outside the hoistway, that is, at the building landing, it is not necessary for workers to be in the hoistway when the car and counterweight are actually raised and lowered. It is possible to ensure safety. In such a passenger confinement and rescue operation forcibly raising and lowering the car, if the weight balance with the car and the counterweight is broken, for example, when a rated load is applied to the car, the brake device Opening the car will cause the car to begin to drop rapidly. For this reason, when releasing the brake device, the worker directly monitors the movement of the car, or drives a sheave of a hoisting machine that rotates in conjunction with the raising or lowering of the car or a sheave of a governor. The car was moved up and down safely by monitoring the rotation speed and indirectly grasping the raising and lowering state of the car. In particular, when a helical gear with good gear efficiency is used in the hoisting machine, it is necessary to pay attention to the movement of the car by opening the brake device. Careful operation is necessary to prevent sudden acceleration of the car. Was requested. However, machine room-less elevator devices and elevator devices with reduced hoistway space often place restrictions on the layout of major elevator equipment such as hoisting machines and governors. Since then, there has been a problem that it becomes difficult to confirm the operation of the interlocking device that interlocks with the car such as the driving sheave of the hoisting machine or the sheave of the governor.

  The present invention has been made to solve the above-described problems. The purpose of the present invention is to increase or decrease the speed of a car when the car is forcibly raised or lowered in order to rescue a passenger trapped in the car. It is an object of the present invention to provide an elevator confinement and rescue device that can be easily grasped from outside the hoistway.

  The elevator confinement and rescue device according to the present invention is provided on a fixed body of a hoistway, which is moved up and down in an elevator hoistway, and an interlocking device interlocked with the raising and lowering of a car, and provided in the vicinity of the interlocking device. An illumination device that illuminates the device and a projection unit that projects the shadow of the interlock device illuminated by the illumination device so that the movement of the interlock device can be confirmed from outside the hoistway.

  In addition, the car to be moved up and down in the elevator hoistway, provided on the fixed body of the hoistway, interlocking device interlocking with the raising and lowering of the car, the reflector provided in this interlocking device, provided in the vicinity of the interlocking device, An illumination device that illuminates the interlock device, and a projection unit that reflects light from the illumination device reflected by the reflector so that the motion of the interlock device can be confirmed from outside the hoistway.

  In this invention, by providing the above configuration, when the car is forcibly raised and lowered to rescue the passengers trapped in the car, it is possible to easily grasp the raising / lowering speed of the car from the outside of the hoistway. Become.

Embodiment 1 FIG.
1 is a plan view of an elevator confinement / rescue device according to Embodiment 1 of the present invention, and FIG. 2 is a front view thereof. In a machine room-less elevator apparatus in which no machine room is provided above the elevator hoistway 1, the hall entrance / exit 2 provided in the hall on each floor of the building has hoistway walls 1 a facing each other across the hall entrance / exit 2. And 1b, it is arranged near the hoistway wall 1b side on one side. The landing doorway 2 is provided with a landing door 2a for preventing passengers in the landing doorway 2 from falling into the hoistway 1 and is located on the hoistway wall 1a side of the landing door 2a. The hoistway wall 1c is provided with a hall operation panel 3 on which passengers at the hall entrance 2 register the destination floor. In addition, the elevator car 4 having a car door (not shown) facing the landing door 2a with a slight gap approaches the hoistway wall 1b side of the hoistway 1 like the landing doorway 2. The other main equipments of the elevator apparatus are arranged in a space formed by the car 4 and the hoistway wall 1a.

  The car 4 and the counterweight 5 arranged on the hoistway wall 1 a side of the car 4 are suspended in a fishing bottle type by the main rope 6, and one end of the main rope 6 is provided at the lower part of the car 4. Further, the lower beam 4a is connected to the hoistway wall 1a side, and the other end is connected to the upper portion of the counterweight 5 via the stoppers 6a and 6b. The car 4 and the counterweight 5 suspended from the main rope 6 are moved horizontally to the car guide rail 4b and the counterweight guide rail 5a which are erected on the hoistway wall 1a side of the car 4, respectively. The hoisting machine 7 provided at the top of the hoistway 1 is guided in a restricted manner, and in conjunction with the rotation of the driving sheave 7a around which the main rope 6 is wound, in the hoistway 1 in opposite directions. Go up and down. In addition, the driving sheave 7a of the hoisting machine 7 installed at the top of the hoistway 1 is arranged so that the turning direction thereof is substantially parallel to the hoistway wall 1c where the hall operating panel 3 is installed. .

Next, the configuration of the governor 8 that is installed at the top of the hoistway 1 and forcibly stops the raising / lowering of the car 4 when the raising / lowering speed of the car 4 exceeds a predetermined speed will be described.
3 is a front view of the governor according to Embodiment 1 of the present invention, and FIG. 4 is a side view thereof. In the figure, a sheave 8b is rotatably fixed between the opposing side surfaces of the fixed base 8a that is substantially U-shaped so that the upper part protrudes from the fixed base 8a. Tuna groove is formed on the surface. A spoke-like support 8c is provided between the outer peripheral portion of the sheave 8b in which the sheave groove is formed and the boss portion of the sheave 8b pivoted on the fixed base 8a. A through hole 8d is formed in the middle, that is, on the side surface of the sheave 8b. A rope 9 for a speed governor, a part of which is connected to the car 4, is wound around the rope groove formed on the outer peripheral surface of the sheave 8b. The sheave 8b of the speed governor 8 is When the governor rope 9 moves in conjunction with the raising and lowering of the car 4, the governor rope 9 rotates in conjunction with the raising and lowering of the car 4. The speed governor 8 is installed on the hoistway wall 1a side of the car 4 and on the hoistway wall 1d side facing the hoistway wall 1c provided with the landing door 2a. The sheave 8b is arranged so that the turning direction of the sheave 8b is substantially the same as the turning direction of the driving sheave 7a of the hoisting machine 7.

  In addition, an illuminating device 10 is installed in the vicinity of the speed governor 8 at the top of the hoistway 1. The illuminating device 10 illuminates the upper portion of the sheave 8b protruding from the fixed base 8a of the speed governor 8, and the illuminating device. The shadow of the upper part of the sheave 8b that appears when the light emitted from the tenth part is blocked by the upper part of the sheave 8b of the governor 8 is projected on the hoistway wall 1b that is substantially the same height as the landing on the top floor. It is arranged so that a worker can confirm the movement of the shadow.

  In the elevator apparatus configured as described above, when it is necessary to forcibly raise and lower the car 4 in order to rescue the passengers confined in the car 4, the worker must first make a landing on the top floor of the building. The portable driving device for releasing the brake is connected to the elevator device so that the car 4 can be moved up and down. Next, the lighting device 10 in the hoistway 1 is turned on to project the shadow of the upper portion of the sheave 8b of the governor 8 on the hoistway wall 1b. The worker looks at the shadow of the upper part of the sheave 8b displayed on the hoistway wall 1b, and a viewing window (not shown) provided on the door 2a of the landing, or by removing the cover of the landing control panel 3 ( The car 4 is forcibly moved up and down by performing an operation such as opening the brake device while looking at this shadow.

  According to Embodiment 1 of the present invention, when the car 4 is forcibly moved up and down in order to rescue passengers confined in the car 4, problems in the layout of the devices installed at the top of the hoistway 1, etc. Even if it is difficult to confirm the rotation of the sheave 8b of the governor 8 that is linked to the raising and lowering of the car 4 directly from the landing on the top floor, the shadow of the upper part of the sheave 8b displayed on the hoistway wall 1b By moving the sheave 8b through the through-hole 8d of the sheave 8b and the light movement of the lighting device 10 that hits the hoistway wall 1b, it is possible to easily raise and lower the car 4 It becomes possible to grasp. Therefore, even when the space of the hoistway 1 is small and devices are densely arranged on the top, or when the position of the governor 8 is separated from the window for confirmation, the car 4 from the building landing. Thus, the car 4 can be prevented from suddenly accelerating. Moreover, since the size and arrangement of the shadow projected on the hoistway wall 1b can be freely set by the arrangement of the lighting device 10 and the governor 8, the hoistway 1 can be adapted to any hoistway 1 and elevating. It is also possible to effectively utilize the space at the top of the road 1. In addition, in order to project the shadow of the sheave 8b more clearly on the hoistway wall 1b, a lighting device 10 having directivity may be used.

Embodiment 2. FIG.
FIG. 5 is a plan view of an elevator confinement / rescue device according to Embodiment 2 of the present invention, and FIG. 6 is a front view of a speed governor according to Embodiment 2 of the present invention. In the figure, the sheave 8b of the governor 8 installed at the top of the hoistway 1 is provided with reflectors 8e at predetermined intervals on the circumferential portion of the side surface thereof. In addition, a lighting device 10 is installed in the vicinity of the speed governor 8 at the top of the hoistway 1. It arrange | positions so that the light from the illuminating device 10 reflected by the reflector 8e provided in the sheave 8b of the speed machine 8 may hit the hoistway wall 1b substantially the same height as the landing on the top floor. In the elevator apparatus configured as described above, when it is necessary to forcibly raise and lower the car 4 in order to rescue the passengers trapped in the car 4, the worker is reflected on the hoistway wall 1b. While observing the reflected light from the lighting device 10 by the body 8e, the car 4 is forcibly moved up and down by performing an operation such as opening the brake device.

  According to the second embodiment of the present invention, the lighting device 10 reflected by the reflector 8e of the governor 8 when the car 4 is forcibly raised and lowered to rescue passengers confined in the car 4. By determining the rotation state of the sheave 8b from the movement of the light, it is possible to easily grasp the ascending / descending speed of the car 4. For this reason, it is particularly effective when the shadow of the upper portion of the sheave 8b is difficult to be projected on the hoistway wall 1b as in the first embodiment due to restrictions on the layout of the governor 8 and the lighting device 10. It is. It is possible to cope with the case where the through hole 8d is not formed in the sheave 8b of the governor 8. Moreover, in Embodiment 2, the light from the illuminating device 10 is reflected by providing the reflector 8e on the circumferential portion of the sheave 8b, but a mirror finish is applied to a part of the circumferential portion of the sheave 8b. It is possible to have the same effect even if the light from the illumination device 10 is reflected by applying. The rest of the configuration and effects are the same as those of the first embodiment.

Embodiment 3 FIG.
FIG. 7 is a plan view of an elevator confinement / rescue device according to Embodiment 3 of the present invention, and FIG. 8 is a front view thereof. In the figure, the driving sheave 7a of the hoisting machine 7 installed at the top of the hoistway 1 is provided with a plurality of through holes 7b on its side surface. Moreover, the illuminating device 10 is installed in the vicinity of this hoisting machine 7 at the top of the hoistway 1, and this illuminating device 10 illuminates the driving sheave 7a of the hoisting machine 7 from the side surface, and the illuminating device. The shadow of the drive sheave 7a that appears when the light emitted from 10 is blocked by the drive sheave 7a of the hoisting machine 7 is reflected on the hoistway wall 1d that is substantially the same height as the landing on the top floor, and on that landing It is arranged so that a worker can confirm the movement of the shadow. In the elevator apparatus configured as described above, when it is necessary to forcibly raise and lower the car 4 in order to rescue the passengers confined in the car 4, the operator can drive the drive rope displayed on the hoistway wall 1d. While looking at the shadow of the car 7a, the car 4 is forcibly moved up and down by opening the brake device or the like.

  According to Embodiment 3 of the present invention, when the car 4 is forcibly raised and lowered to rescue passengers confined in the car 4, the shadow of the drive sheave 7a projected on the hoistway wall 1d By determining the rotational state of the driving sheave 7a from the movement and the light movement of the lighting device 10 that has passed through the through-hole 7b of the driving sheave 7a and hit the hoistway wall 1d, the lifting speed of the car 4 can be increased. It becomes possible to grasp easily. In addition, like Embodiment 2, the reflector 8e is provided in the circumference part of the driving sheave 7a side surface of the hoisting machine 7, and the reflected light of the light radiate | emitted from the illuminating device 10 is used for the hoistway wall 1d or elevating / lowering. It is possible to obtain the same effect as a configuration applied to the road wall 1b. Others have the same configuration and effects as those of the first or second embodiment.

  In the present invention, the lighting device 10 illuminates the sheave 8b of the speed governor 8 and the driving sheave 7a of the hoisting machine 7, and the movement of the shadow and reflected light projected on the hoistway wall 1b or 1d is the highest. Although the ascending / descending speed of the car 4 is grasped by monitoring from the landing on the floor, an illuminating device is provided in the vicinity of the interlocking device provided on the fixed body of the hoistway 1 and interlocking with the ascending / descending of the car 4, for example, a deflector 10 and illuminate the interlocking device with the lighting device 10, and easily see the shadow of the interlocking device and the reflected light of the lighting device 10 from the outside of the hoistway 1 such as a predetermined landing where an operator is present. It is also possible to obtain the same effect as the present invention by projecting on a projection part such as a hoistway wall.

It is a top view of the elevator confinement rescue apparatus in Embodiment 1 of this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a front view of the elevator confinement rescue apparatus in Embodiment 1 of this invention. It is a front view of the governor in Embodiment 1 of this invention. It is a side view of the speed governor in Embodiment 1 of this invention. It is a top view of the confinement rescue apparatus of the elevator in Embodiment 2 of this invention. It is a front view of the speed governor in Embodiment 2 of this invention. It is a top view of the confinement rescue apparatus of the elevator in Embodiment 3 of this invention. It is a front view of the elevator confinement rescue apparatus in Embodiment 3 of this invention.

Explanation of symbols

1 hoistway 1a, 1b, 1c, 1d hoistway wall 2 landing doorway 2a landing door 3 landing operation panel 4 car 4a lower beam 4b car guide rail 5 counterweight 5a counterweight guide rail 6 main rope 6a, 6b Tool 7 Hoisting machine 7a Drive sheave 7b Through hole 8 Speed governor 8a Fixing base 8b Sheave 8c Support body 8d Through hole 8e Reflector 9 Rope for governor 10 Lighting device

Claims (5)

  A car that moves up and down in an elevator hoistway, provided in a fixed body of the hoistway, interlocked with the raising and lowering of the car, an illumination device provided near the interlocking device and illuminating the interlocking device, An elevator confinement / rescue device, comprising: a projection unit that projects a shadow of the interlocking device illuminated by the lighting device so that the movement of the interlocking device can be confirmed from outside the hoistway.   Each elevator car that is raised and lowered in the elevator hoistway is provided on a fixed body of the hoistway, and is interlocked with the raising and lowering of the car, a reflector provided on the interlocking device, and provided in the vicinity of the interlocking device. A lighting device that illuminates the interlocking device, and a projection unit that reflects the light from the lighting device reflected by the reflector so that the movement of the interlocking device can be confirmed from outside the hoistway. Elevator confinement rescue device characterized by.   The elevator confinement and rescue device according to claim 1 or 2, wherein the interlocking device is a governor sheave provided at the top of the hoistway.   The elevator confinement / rescue device according to claim 1 or 2, wherein the interlocking device is a driving sheave of a hoisting machine.   The elevator confinement / rescue device according to any one of claims 1 to 4, wherein the elevator is a machine room-less elevator in which main devices are arranged in a hoistway.

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