JP5327835B2 - Elevator emergency stop replacement method, mounting adapter, elevator car and elevator counterweight - Google Patents

Description

  The present invention relates to an elevator safety device replacement method, an installation adapter, an elevator car, and an elevator counterweight, and in particular, can easily and quickly replace an emergency stop device provided on the elevator car or counterweight. The present invention relates to an elevator safety device replacement method, a mounting adapter, an elevator car and an elevator counterweight that can be used.

  The elevator car and the counterweight have an emergency stop device, which operates when the elevator car and the counterweight descends at a speed greater than a preset speed, and the elevator car and the counterweight. Is supposed to stop. Such an emergency stop device is often disposed under the car or the counterweight. The above-described emergency stop device is disclosed in, for example, Patent Documents 1 to 4 and the like.

  First, a general elevator configuration will be described with reference to FIG. FIG. 3 is a schematic configuration diagram illustrating a configuration of a general elevator. As shown in FIG. 3, in the elevator hoistway 10 extending in the vertical direction, a car 20 and a counterweight 30 suspended in a slidable manner by a main rope 14 hung on the main sheave 12 of the hoisting machine 11. And a compen- sion rope 16 having both ends connected to the car 20 and the counterweight 30, respectively. A compensation sheave 18 is provided on the compensation rope 16 so as to be movable in the vertical direction, and tension is applied to the compensation rope 16 by its own weight. The elevator hoistway 10 is provided with a guide rail 19 for guiding the compensatory 18 in the vertical direction. The car 20 and the counterweight 30 are each provided with an emergency stop device (described later).

  The configuration of a general emergency stop device will be described with reference to FIG. FIG. 4 is a schematic configuration diagram showing an emergency stop device in an elevator car.

  As shown in FIG. 4, the elevator hoistway 10 is provided with a guide rail 40 extending in the vertical direction. The elevator car 20 is guided by the guide rail 40 so as to move up and down in the hoistway 10. A governor 42 that detects the speed of the car 20 is installed at the top of the hoistway 10. In the pit of the hoistway 10, a tension tension wheel 46 for tensioning the speed governor rope 44 wound around the speed governor 42 along the hoistway 10 is provided. The governor rope 44 is stretched between the governor 42 and the tension tension vehicle 46.

  Further, the governor 42 is provided with a rope grip portion 48 that operates when the descending speed of the car 20 exceeds a specified value and grips the governor rope 44. The governor rope 44 is connected to the car 20 via a safety link 45, and the safety link 45 is connected to the emergency stop device 22 via pull-up bars 47 provided on both sides of the car 20. It is connected. The safety device 22 is connected to the lower part of the frame 20a of the car 20.

  When the car 20 descends beyond the specified descending speed, the rope gripping portion 48 grips the governor rope 44, so that the position of the governor rope 44 is fixed. Since the car 20 is lowered in this state, the safety link 45 is rotated, and accordingly, the lifting rod 47 connected to the safety link 45 is pulled up with respect to the frame body 20a of the car 20, and the emergency stop is performed. A wedge (wedge, not shown) incorporated in the device 22 and connected to the pull-up bar 47 moves upward to sandwich the guide rail 40 and stop the car 20.

  In the above description, the emergency stop device 22 provided in the car 20 has been described. However, an emergency stop device is similarly provided in the counterweight, and the speed control corresponding to the emergency stop device for the counterweight is provided. A machine, a governor rope, a rope gripping portion, and the like are disposed in the hoistway 10.

Japanese Patent Laid-Open No. 2001-2342 JP 2008-30884 A JP 2007-45551 A JP 2004-75298 A

  When refurbishing existing elevators, adding a cooler to the car 20, replacing the ceiling, adding a wheelchair function, or performing work that enhances the aesthetics inside the car 20, The mass of the car 20 may increase.

  Here, as described above, the emergency stop device 22 is installed in the car 20 and the counterweight 30, but the emergency stop device 22 is provided with an applicable mass, and the mass of the car 20 or the counterweight 30. Has a problem that it must be less than this applicable mass.

  In the conventional elevator renovation work, when the mass of the car 20 increases and exceeds the applicable mass of the emergency stop device 22, the emergency stop device 22 and the car to which the emergency stop device 22 is attached. After removing the 20 frames 20a or the frame of the counterweight 30, a frame incorporating a new emergency stop device had to be re-installed in the elevator hoistway 10 of the local elevator. Since such renovation work takes time, it was lossy in terms of construction and economics.

  Here, the reason why the emergency stop device to be newly installed cannot be directly installed on the frame body 20a of the existing car 20 or the frame body of the counterweight 30 is the dimension between the existing emergency stop device 22 and the new emergency stop device. This is because the shapes do not match.

  The present invention has been made in consideration of these points, and even when the existing emergency stop device is replaced with a new emergency stop device having a different size or shape, the replacement work of the emergency stop device is performed. It is an object of the present invention to provide an elevator safety device replacement method, a mounting adapter, an elevator car, and an elevator balancing weight that can be easily and quickly performed.

  The elevator emergency stop device replacement method of the present invention is an elevator emergency stop device replacement method, in which an emergency stop device already attached to an elevator car frame or a counterweight frame is attached to the frame. One part can be removably attached to the frame body and the other part can be removably attached to a new emergency stop device at the step of removing from the body and the place where the safety device is removed from the frame body A step of attaching a mounting adapter that can be attached, and a step of attaching a new emergency stop device to the mounting adapter are provided.

  The mounting adapter of the present invention can be removably attached to the elevator car frame or the counterweight frame and the elevator emergency stop device. And a portion.

  The elevator car according to the present invention includes a car frame, an emergency stop device, and an attachment adapter having one part attached to the frame and the other part attached to the emergency stop device. And an attachment adapter in which the one part can be removably attached to the frame and the other part can be removably attached to the emergency stop device. It is characterized by.

  The balance weight of the elevator according to the present invention is a balance weight frame, an emergency stop device, and an attachment adapter having one part attached to the frame and the other part attached to the emergency stop device. And an attachment adapter in which the one part can be removably attached to the frame and the other part can be removably attached to the emergency stop device. It is characterized by.

  According to the elevator emergency stop device replacement method, the mounting adapter, the elevator car and the elevator counterweight according to the present invention, the existing emergency stop device is replaced with a new emergency stop device having a different size and shape. However, the replacement work of the emergency stop device can be performed easily and in a short time.

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 and FIG. 2 are diagrams showing an embodiment of an elevator safety device replacement method according to the present invention.
Among these, FIG. 1 is a schematic configuration diagram showing a part of an elevator car in a state before removing an existing emergency stop device, and FIG. 2 is a state after installing a new emergency stop device. It is a schematic block diagram which shows a part of elevator car. The wiring route optimizing device according to the present embodiment relates to a method for replacing an existing emergency stop device of an elevator as shown in FIGS. 3 and 4 with a new emergency stop device.

  As shown in FIG. 1, an existing emergency stop device 22 is directly attached to the lower part of a frame 20 a of an elevator car 20. The emergency stop device 22 is connected to a link mechanism 24 provided at the lower end of the pull-up bar 47 (see FIG. 3).

  In replacing such an emergency stop device 22 with a new emergency stop device 26 having a different size and shape, the emergency stop device 22 is first removed from the frame 20a. And as shown in FIG. 4, the attachment adapter 28 is attached to the location from which the safety device 22 in the frame 20a was removed. The upper surface of the mounting adapter 28 can be removably mounted on the lower surface of the frame 20a of the car 20. Moreover, the upper surface of the emergency stop device 26 to be newly attached can be detachably attached to the lower surface of the attachment adapter 28.

  After the upper surface of the mounting adapter 28 is attached to the lower surface of the frame 20a, the upper surface of a new emergency stop device 26 is attached to the lower surface of the mounting adapter 28. In this way, the installation work of the new emergency stop device 26 to the frame 20a of the car 20 is completed.

  In the above description, the method of replacing the safety device 22 of the car 20 has been described. However, the safety device for the counterweight 30 is also already attached to the frame of the counterweight 30. Is removed from the frame, and one part can be removably attached to the frame at the place where the safety device is removed from the frame, and the other part can be removed to the new safety device. It is possible to replace the emergency stop device by attaching a mounting adapter as shown in FIG. 6 and then attaching a new emergency stop device to the attachment adapter.

  As described above, according to the elevator safety device 22 replacement method of the present embodiment, the safety device 22 already attached to the frame 20a of the car 20 or the counterweight 30 is removed from the frame 20a. One portion can be removably attached to the frame body 20a at the location where the safety device 22 is removed from the frame body 20a, and the other portion can be removably attached to the new safety device 26. The mounting adapter 28 is attached, and then a new emergency stop device 26 is attached to the mounting adapter 28. For this reason, when removing the emergency stop device 22, it is not necessary to remove the emergency stop device 22 and the frame 20a of the car 20 or the counterweight 30 together. For this reason, the existing emergency stop device 22 is dimensioned or shaped. Even when the emergency stop device 26 is replaced with a different one, the replacement work of the emergency stop device can be performed easily and in a short time.

It is a schematic block diagram which shows a part of elevator car in the state before removing the existing emergency stop apparatus in embodiment of this invention. It is a schematic block diagram which shows a part of elevator car in the state after attaching the new emergency stop apparatus in embodiment of this invention. It is a schematic block diagram which shows the structure of a general elevator. It is a schematic block diagram which shows the emergency stop apparatus in the elevator car.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Hoistway 11 Hoisting machine 12 Main sheave 14 Main rope 16 Compen rope 18 Compensation 19 Guide rail 20 Car 20a Frame 22 Existing emergency stop device 24 Link mechanism 26 New emergency stop device 28 Mounting adapter 30 Counterweight 40 Guide rail 42 Speed governor 44 Speed governor rope 45 Safety link 46 Tensioning wheel 47 Tension bar 48 Rope gripping part

Claims (4)

An elevator safety device replacement method,
Removing the emergency stop device already attached to the frame of the elevator car or the frame of the counterweight from the frame;
One part can be removably attached to the frame body and the other part can be removably attached to a new emergency stop device at the place where the safety device is removed from the frame body. Attaching a mounting adapter such as
Attaching a new safety device to the mounting adapter;
A method for replacing an emergency stop device for an elevator, comprising: In the mounting adapter for replacing the emergency stop device of the elevator,
The frame of the existing safety device is detachably attachable elevator car of the frame or counterweight of a portion that is removably becomes attachable,
A part that can be removably attached to a new emergency stop device;
A mounting adapter characterized by comprising: A mounting adapter for replacing the elevator safety device;
A frame of a car to which an existing emergency stop device can be removably attached ;
A new emergency stop device ,
One part of the mounting adapter together are attach to the frame, the other part, is attach to the new safety device,
Characterized in that said one part of the mounting adapter together has become attachable removably to said frame member, said other part, which is freely attachable removably to the new safety device An elevator car. A mounting adapter for replacing the elevator safety device;
A frame of a counterweight to which an existing emergency stop device can be removably attached ;
A new emergency stop device ,
One part of the mounting adapter together are attach to the frame, the other part, is attach to the new safety device,
Characterized in that said one part of the mounting adapter together has become attachable removably to said frame member, said other part, which is freely attachable removably to the new safety device Elevator counterweight.

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