JP5706262B2 - Work floor equipment for elevator inspection - Google Patents

Description

  The present invention relates to a work floor device for checking an elevator having a work floor utilized when checking maintenance equipment arranged in a hoistway of the elevator.

  When inspecting maintenance equipment that is disposed in the elevator hoistway and is not accessible from the pit floor, a work floor is required to be used for securing a scaffold for the inspection worker. In recent years, with the increase in capacity and speed of an elevator, the shape of a hoistway device such as a hoisting machine tends to increase, and space saving of the hoistway has been demanded. In response to this, each of maintenance equipment devices arranged in a plurality of hoistways has been arranged along the height direction. For this reason, it is also necessary to perform inspection work by changing the height position of the work floor installed in the hoistway.

  By the way, the apparatus which can change the height position of a working floor as mentioned above is disclosed by patent document 1. FIG. The prior art disclosed in this Patent Document 1 is an elevator ladder fixed arm extending on the pit floor, and an elevator ladder standing from one end of the elevator ladder fixed arm and extending in the height direction of the hoistway. The fixed column and the lower end are connected to the other end of the lifting ladder fixed arm, and the upper end is connected to the lifting ladder fixed column. It has a structure with a flexible work floor.

JP 2004-182351 A

  Since the above-mentioned conventional technology has a large shape that interferes with the car when the car is lowered, it is disassembled and lifted when inspection work on maintenance equipment arranged in the hoistway is completed. The complicated work to remove from the road is required. Along with this, there is a problem that the number of inspection work steps increases and the cost required for the inspection work increases.

  The present invention has been made from the actual situation in the above-described prior art, and its purpose is to change the height position of the work floor and to prevent the inside of the hoistway from interfering with the car that descends the hoistway. It is an object of the present invention to provide an elevator inspection work floor device that can be housed in the elevator.

  In order to achieve the above object, an elevator inspection work floor device according to the present invention includes an elevator inspection work floor having a work floor utilized when checking maintenance equipment installed in an elevator hoistway. In the apparatus, a base portion attached to a wall surface of the hoistway located below the maintenance facility device, and a first notch portion formed at a lower position of the base portion and opened on a side away from the wall surface of the hoistway. And a second notch portion formed at an upper position of the base portion and opened on the side away from the wall surface of the hoistway, and selectively engaged with one of the first notch portion and the second notch portion. When the working floor is deployed in the hoistway, a first support connected to one end side of the working floor that forms a side approaching the wall surface of the hoistway, and one end of the base portion Of the above A part positioned between the notch and the second notch is connected to be pivotable in the vertical direction, and the other end of the hoistway is expanded when the work floor is deployed in the hoistway. A second support connected to the other end of the work floor forming a side away from the wall surface and capable of holding the work floor in a horizontal state in cooperation with the first support; The shape dimensions of the base part, the first support body, the second support body, and the work floor are set so as to be included in the approximate projected area of the maintenance equipment when stored in It is said.

  In the present invention configured as described above, at the time of inspection work of maintenance equipment arranged in the elevator hoistway, for example, the first support connected to one end side of the work floor is formed at the lower position of the base portion. It is made to engage with a 1st notch part. During this time, the second support body rotates slightly upward from the state of being arranged along the wall surface of the hoistway around the connecting portion with the base portion. Accordingly, the work floor is held in a horizontal state at a low position by the first support body and the second support body. In this state, when the inspection worker gets on the work floor, it is possible to perform inspection work for the low part within the reach of the maintenance equipment arranged in the hoistway.

  From such a state, when carrying out inspection work on high places of maintenance equipment that has not been reached before, the inspection worker once gets off the work floor and removes the first support from the first cutout. The second notch is engaged. During this time, the second support is further rotated upward from the above state around the connecting portion with the base portion. As a result, the work floor is held in a horizontal state at a high position above the low position by the first support body and the second support body. In this state, when the inspection worker gets into the work floor, it is possible to perform the inspection work for the high part of the maintenance equipment arranged in the hoistway.

  As described above, the entry / exit of the inspection worker to / from the work floor kept in the horizontal state at the low position and the entry / exit of the inspection worker to / from the work floor kept in the horizontal state at the high position are, for example, It can be performed using a folding stepladder or the like that can be placed along the floor surface of the pit floor.

  Further, for example, when the inspection work of the maintenance equipment described above is completed, when the first support is in the second cutout portion, the present invention removes the first cutout from the second cutout portion. When returning to the notch and moving the first support upward in the first notch, and the first support is in the first notch, the first support remains in the first notch. Move the upper support and rotate the second support downward, or remove the first support from the first notch or the second notch that has been engaged so far, and remove the second support. What is necessary is just to rotate downward. Accordingly, the second support body is suspended from the base portion along the wall surface of the hoistway, and the first support body and the work floor are suspended from the second support body along the wall surface of the hoistway. Accordingly, each of the base portion, the first support body, the second support body, and the work floor is disposed below the maintenance facility equipment disposed in the hoistway and is accommodated within the approximate projection area of the maintenance facility equipment. The

  That is, according to the present invention, the height position of the work floor can be changed by the engagement operation with the first notch portion or the second notch portion of the first support body and the rotation operation of the second support body. In addition, during storage, the base, first support, second support, and work floor can be placed within the approximate projected area of the maintenance equipment, and when the car is lowered, it can be raised and lowered without causing any interference with the car. It can be stored in the road. Therefore, the complicated operation | work which removes the work floor apparatus for an inspection which concerns on this invention from the inside of a hoistway becomes unnecessary.

  Further, in the present invention according to the above-mentioned invention, the first support body is composed of a linear rod body, the second support body is composed of a rod body forming a frame shape, and the work floor is a lower portion on the other end side. Further, the second support body has a support portion that is rotatably connected.

  Moreover, the present invention is characterized in that, in the above-mentioned invention, a handrail detachable from the work floor is provided.

  The present invention has a base portion attached to a wall surface of a hoistway located below maintenance equipment installed inside the hoistway, and a lower portion of the base portion, and the side away from the wall surface of the hoistway is opened. Selective to one of the first notch part, the second notch part formed at the upper position of the base part, the second notch part opened on the side away from the wall surface of the hoistway, and the first notch part and the second notch part A first support body connected to one end side of the work floor that forms a side approaching the wall surface of the hoistway when the work floor is deployed in the hoistway, It is connected to a portion located between the first notch and the second notch so as to be able to rotate in the vertical direction, and the other end is separated from the wall of the hoistway when the work floor is deployed in the hoistway. Connected to the other end side of the working floor forming the side and made in cooperation with the first support. Bed are a configuration in which a second support capable of holding in a horizontal state. Further, according to the present invention, when storing in the hoistway, the shape dimensions of the base portion, the first support body, the second support body, and the work floor are set so as to be included within the approximate projected area of the maintenance equipment. It is configured. In accordance with such a configuration, the present invention can change the height position of the work floor, and can be accommodated in the hoistway without causing interference for each car that descends in the hoistway. As a result, the present invention eliminates the troublesome work of removing from the hoistway as in the prior art, reducing the number of inspection work steps compared to the prior art, and reducing the cost required for the inspection work.

It is a figure which shows one Embodiment of the work floor apparatus for the inspection of the elevator of this invention, and is a perspective view which shows the inspection work state of the low part of a maintenance facility apparatus. It is a figure which shows this embodiment, and is a perspective view which shows the inspection work state of the high location part of maintenance equipment. It is a side view which shows the accommodation state of this embodiment. FIG. 4 is a side view showing a state where the car is lowered in the storage state of the present embodiment shown in FIG. 3.

  DESCRIPTION OF EMBODIMENTS Hereinafter, an embodiment of an elevator inspection work floor apparatus according to the present invention will be described with reference to the drawings.

  As shown in FIGS. 1 and 2, in an elevator provided with the present embodiment, maintenance equipment 2 such as a control panel is attached to a wall surface of a hoistway. The maintenance equipment 2 is set to have a shape dimension that is long in the height direction in accordance with space saving of the hoistway 1 and the like.

  The inspection work floor device 4 according to the present embodiment is attached to the wall surface of the hoistway 1 located below the maintenance equipment 2, and includes a base portion 3 made of a pair of L-shaped steels and a lower position of the base portion 3. And a second notch 51 formed at an upper position of the base portion 3 and opened on the side away from the wall surface of the hoistway 1. Part 52.

  Moreover, this embodiment selectively engaged with one of the 1st notch part 51 and the 2nd notch part 52, and expanded the work floor 41 in the hoistway 1 as shown in FIG. At this time, the first support body 5 is connected to one end side of the work floor 41 that forms the side approaching the wall surface of the hoistway 1 and is made of, for example, a linear bar.

  In the present embodiment, one end of the base portion 3 is located between the first cutout portion 51 and the second cutout portion 52, for example, the first cutout portion 51 and the second cutout portion 52. It is connected to a portion located at an equal distance so as to be able to rotate in the vertical direction, and the other end forms a side away from the wall surface of the hoistway 1 when the work floor 41 is deployed in the hoistway 1. A second support body 6 is provided which is connected to the other end side of the work floor 41 and is formed of, for example, a rod that forms a frame shape, etc., for holding the work floor 41 in a horizontal state in cooperation with the first support body 5. The work floor 41 includes a support portion 411 to which the second support body 6 is rotatably connected, for example, at a lower portion on the other end side. In addition, the present embodiment includes a handrail 7 that can be attached to and detached from the work floor 41.

  In addition, as shown in FIGS. 3 and 4, in the present embodiment, the base unit 3, the first support 5, and the second support unit 2 are included so as to be included in the approximate projected area of the maintenance facility device 2 when stored in the hoistway 1. The respective shapes and dimensions of the support 6 and the work floor 41 are set. The approximate projected area of the maintenance facility device 2 means that the inspection work floor device 4 stored is completely hidden under the maintenance facility device 2 or stored when viewed from above the maintenance facility device 2. Most of the inspection work floor device 4 is hidden under the maintenance facility equipment 2 so that a part of the inspection work floor device 4 can be seen from the periphery of the maintenance facility equipment 2. The inspection work floor device 4 that can be seen from around the vehicle is in an arrangement state that does not interfere even when the car 10 moves up and down.

  This embodiment configured in this way is connected to one end side of the work floor 41 from the state of being housed in the hoistway 1 as shown in FIGS. The first support 5 is engaged with the first notch 51 formed at the lower position of the base 3. During this time, the second support 6 rotates slightly upward from the state shown in FIGS. 3 and 4 around the connecting portion with the base portion 3. As a result, the work floor 41 is held in a horizontal state at a low position by the first support body 5 and the second support body 6 as shown in FIG. In this state, the inspection worker 8 gets on the work floor 41 and attaches, for example, the handrail 7 to the work floor 41. In the state prepared in this way, it is possible to perform the inspection work of the lower portion 21 within the reach of the maintenance equipment 2 arranged in the hoistway 1.

  From such a state, in order to perform the inspection work of the high place 22 of the maintenance facility equipment 2 that has not been reached before, the inspection worker 8 removes the handrail 7 and once gets off the work floor 41, The support 5 is removed from the first cutout portion 51 and engaged with the second cutout portion 52. During this time, the second support 6 is further rotated upward from the state described above around the connecting portion with the base portion 3. As a result, the work floor 41 is held in a horizontal state at a high position above the low position described above by the first support body 5 and the second support body 6, as shown in FIG. In this state, the inspection worker 8 gets on the work floor 41 and attaches the handrail 7 to the work floor 41. In the state prepared in this way, the inspection work of the high part 22 of the maintenance equipment 2 arranged in the hoistway 1 can be performed.

  In addition, as shown in FIG. 1, the inspection worker 8 gets on and off the work floor 41 maintained in the horizontal state at the low position, and the work floor 41 is maintained in the horizontal state at the high position as shown in FIG. The inspection worker 8 can get on and off using, for example, a folding stepladder that can be placed along the floor surface of the pit floor 9 of the hoistway 1.

  In addition, for example, when the inspection work of the maintenance facility device 2 is completed from the state shown in FIGS. 1 and 2 described above, when the first support 5 is in the second notch 52, the second notch When the first support body 5 is located in the first cutout portion 51 by removing from the portion 52 and returning to the first cutout portion 51 and moving the first support body 5 upward in the first cutout portion 51. The first support 5 may be moved upward in the first cutout 51 as it is, and the second support 6 may be rotated downward. 3 and 4, the second support 6 is suspended from the base portion 3 along the wall surface of the hoistway 1, and the first support 5 and the work floor 41 are It is suspended from the 2nd support body 6 along the wall surface. Therefore, each of the base part 3, the first support 5, the second support 6, and the work floor 41 is disposed below the maintenance facility device 2 disposed in the hoistway 1. It is stored in a substantially projected area. In addition, the form which removes the 1st support body 5 from the 1st notch part 51 or the 2nd notch part 52 which was engaged until then, and rotates the 2nd support body 6 below may be sufficient. Further, the handrail 7 and the stepladder, etc. used in the inspection work are laid down along the floor surface of the pit floor 9 of the hoistway 1. Therefore, even if the car 10 descending in the hoistway 1 reaches the lowest position, the handrail 7, the stepladder and the like do not contact the car 10.

  That is, in the present embodiment, the height of the work floor 41 is increased by the engagement operation with the first notch 51 or the second notch 52 of the first support 5 and the rotation of the second support 6. The base position 3, the first support body 5, the second support body 6, and the work floor 41 can be arranged within the approximate projected area of the maintenance equipment 2 when stored, as shown in FIG. Thus, it can be stored in the hoistway 1 without causing interference with the car 10 lowered in the hoistway 1.

  Therefore, according to the present embodiment, the complicated work of removing the inspection work floor device 4 according to the present embodiment from the hoistway 1 becomes unnecessary, thereby reducing the number of inspection work steps and reducing the cost required for the inspection work. Can be made.

DESCRIPTION OF SYMBOLS 1 Hoistway 2 Maintenance equipment 21 Low part 22 High part 3 Base part 4 Inspection work floor apparatus 41 Work floor 411 Support part 5 1st support body 51 1st notch part 52 2nd notch part 6 2nd Support 7 Handrail 8 Inspection worker 9 Pit floor

Claims (3)

In an elevator inspection work floor device having a work floor utilized for inspection of maintenance equipment installed in the elevator hoistway,
A base part attached to the wall surface of the hoistway located below the maintenance facility equipment;
A first notch portion formed at a lower position of the base portion and opened on the side away from the wall surface of the hoistway;
A second notch portion formed at an upper position of the base portion and opened on a side away from the wall surface of the hoistway;
The work that selectively engages one of the first notch and the second notch and forms a side that approaches the wall surface of the hoistway when the work floor is deployed in the hoistway. A first support coupled to one end of the floor;
One end of the base portion is connected to a portion located between the first notch portion and the second notch portion so as to be vertically rotatable, and the other end is connected to the work floor in the hoistway. The second floor is connected to the other end of the work floor that forms the side away from the wall surface of the hoistway when deployed to the second floor, and is capable of holding the work floor in a horizontal state in cooperation with the first support. A support body,
The shape and dimensions of the base, the first support, the second support, and the work floor are set so that they are included within the approximate projected area of the maintenance equipment when stored in the hoistway. Elevator inspection work floor device characterized by that. The work floor device for elevator inspection according to claim 1,
The first support is composed of a linear rod,
The second support comprises a rod that forms a frame shape,
The work floor device for inspection of an elevator, characterized in that the work floor has a support portion to which the second support body is rotatably connected at a lower portion on the other end side. In the work floor apparatus for an elevator inspection according to claim 1 or 2,
A work floor device for inspection of an elevator, wherein a handrail detachable from the work floor is provided.

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