JP3707383B2 - Elevator workbench - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a workbench for performing maintenance or the like of a control panel installed in an elevator hoistway.
[0002]
[Prior art]
In elevators where the control panel is installed at a relatively low position in the hoistway, for example, at the floor level of the lowest floor, there is a case where the control panel is maintained from the pit. Maintenance of control panels etc. was often performed.
[0003]
[Problems to be solved by the invention]
However, since there is often no space for storing a stepladder in the hoistway, there has been a problem that a stepladder must be brought for maintenance. In addition, the stepladder has a problem that it is difficult to perform the work because it requires a small work space for the worker to ride.
[0004]
[Means for Solving the Problems]
In the present invention, a foldable work table having a working part and first and second ladder parts is installed under a control panel or the like installed in a hoistway.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described with reference to FIGS. 1 is a side view showing the whole, FIG. 2 is an enlarged view of the lower half of FIG. 1, FIG. 3 is a front view of FIG. 2 viewed from the left, and FIGS.
[0006]
In the figure, 1 is a control panel installed near the lowest floor of the hoistway wall 2, 3 is a support provided on the hoistway wall below the control panel 1, and a pair of Z-shaped channels 3 a, 3b is arranged vertically and connected and fixed by a plurality of plates 4, and the lower end of the control panel 1 is supported by angles 5a and 5b having an L-shaped cross section. Reference numeral 6 denotes a switch unit fixed to the support unit 3 and having a switch provided inside a channel having a U-shaped cross section.
[0007]
Reference numeral 10 denotes a working portion pivotally attached to the support portion 3 by shafts 11a and 11b having bolts and nuts on one end side, and includes a pair of shafts 12a and 12b on the other side, and a vertical member 21a of the first ladder portion described later. A plate 15 having holes 13a and 13b through which 21b can pass and holes 14a and 14b having a Z-shaped cross section fixed to the end and an L-shaped angle 14c as a reinforcing member fixed in place is mainly used. As a component. An arbitrary number of bolts 16 are provided on the side surface.
[0008]
Reference numeral 20 denotes a first ladder portion having a shape in which main portions of a pair of left and right vertical members 21a and 21b are fixed by angles 22 and plates 23 and 24, and long holes 20a and 20b provided on one side of the vertical members 21a and 21b. And is pivotally attached to the working unit 10 by the shafts 12a and 12b.
[0009]
Reference numeral 30 denotes a second ladder portion having a shape in which main portions of a pair of left and right vertical members 31a and 31b are fixed by a plate 32, an angle 33, and the like. And is pivotally attached to the first ladder portion 20 by shafts 34a and 34b. In addition, a pair of stands 35a and 35b which are made of bolts and nuts and can adjust the protruding amount are provided on the other side angle 33 of the vertical members 31a and 31b. Reference numeral 40 denotes a butterfly bolt for connecting angles 14 a and 14 b fixed to the end of the working unit 10 to the switch unit 6 and operating a switch built in the switch unit 6. 50 is a pit floor.
[0010]
Next, the operation of this embodiment will be described. When folded, it is in the state shown in FIGS. At this time, since the switch in the switch unit 6 is turned on, the elevator can be operated normally. Further, since the second ladder portion 30 is in a lowered position due to its own weight, the rotation of the longitudinal members 31a and 31b around the shafts 34a and 34b is prevented by the plates 23 and 24. Therefore, the second ladder portion 30 is kept almost upright.
[0011]
When maintenance of the control panel 1 is performed, the butterfly bolt 40 is first removed. As a result, the switch in the switch unit 6 is turned off, and the elevator is stopped.
Next, the second ladder portion 30 is slid upward while holding the lower end of the first ladder portion 20 and lifting the whole so as to rotate about the shafts 11a and 11b (FIG. 4, (1) and (2)). . As a result, the second ladder portion 30 can rotate about the shafts 34a and 34b, and the stands 35a and 35b are lowered to the pit floor 50 ((3) in FIG. 4).
[0012]
Then, while lifting the working part 10, the first ladder part 20 is rotated around the shafts 12 a and 12 b (FIG. 5 (4) and (5)), and the upper part is inserted into the holes 13 a and 13 b of the working part 10. (Fig. 6 (6)). Further, the second ladder portion 30 is rotated so that the upper portion of the first ladder portion 20 protrudes from the holes 13a and 13b (FIGS. 6-7 and 7-8). Next, the working unit 10 is adjusted to be horizontal with the bolts of the stands 35a and 35b.
As described above, the assembly of the work table is completed, and the worker can move up and down to the work unit 10 using the plates 23, 24, and 32 of the first and second ladder units as treads. When the workbench is folded, the above procedure is reversed.
[0013]
According to the present embodiment, there is no need to bring a stepladder at every maintenance, and the work space is wider than that of a stepladder, and it is also foldable so that it can be taken out and stored easily. .
Furthermore, since the lid of the control panel 1 and the like can be hung on the bolt 16 of the working unit 10, the maintenance work becomes easier.
[0014]
The present invention is not limited to the embodiment described above, and can be used with appropriate modifications. For example, although the working unit 10 and the switch unit 6 are attached to the support unit 3, they may be attached to the hoistway wall 2 without using the support unit 3. In this way, the present invention can be used regardless of the shape of the support portion 3.
[0015]
【The invention's effect】
As described above, according to the present invention, it is possible to realize a work table that can easily perform maintenance work such as a control panel installed in a hoistway.
[Brief description of the drawings]
FIG. 1 is a diagram showing an embodiment of the present invention.
FIG. 2 is an enlarged view of the lower half of FIG.
FIG. 3 is a front view of FIG. 2 viewed from the left.
FIG. 4 is a diagram illustrating an operation state of the present embodiment.
FIG. 5 is a diagram illustrating an operation state of the present embodiment.
FIG. 6 is a diagram illustrating an operation state of the present embodiment.
FIG. 7 is a diagram illustrating an operation state of the present embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Control panel 2 Hoistway wall 3 Support part 10 Working part 20 1st ladder part 30 2nd ladder part 35a, 35b Stand 40 Butterfly bolt

Claims (5)

In the thing which provided the foldable work bench in the elevator hoistway,
The work table includes a work part on which an operator works and first and second ladder parts, and one side of the work part is pivotally attached to a hoistway wall side, and the first ladder part One side is pivotally attached to the other side of the working part, and the other side of the first ladder part is pivotally attached to one side of the second ladder part through a long hole so that the worktable is folded and assembled. In some cases, the second ladder part is configured to be non-rotatable and slidable with respect to the first ladder part . The elevator work platform according to claim 1, wherein a stand is provided on the other side of the second ladder portion. 3. The elevator work table according to claim 1, wherein a plurality of the stands are provided, and a protrusion amount of each stand can be adjusted in a length direction of the second ladder portion. The elevator working platform according to any one of claims 1 to 3, wherein the working unit is pivotally attached to the hoistway wall side through a support unit that supports a control panel or the like. The working unit includes a plate-like work surface that maintains a horizontal state when the work table is assembled. The work surface is provided with a hole, and when the work table is assembled , a part of the first ladder part has the hole. The elevator work platform according to any one of claims 1 to 4, wherein the work table is configured to project through the work surface.

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