JP6451574B2 - Dam waiter maintenance and inspection jig - Google Patents

Description

  The present invention relates to a maintenance / inspection jig for a dam waiter that can prevent unexpected lifting of a car in maintenance / inspection work of a dam waiter.

  There is known a dam waiter (elevator dedicated to small parcels) that transports small parcels such as food and goods between upper and lower floors. On the floor, there is a three-way frame that serves as an entrance for small parcels. Around the three-sided frame, there are operations such as a car call button, door open / close button, destination floor button, emergency stop button, etc. A board is provided (see, for example, Patent Document 1).

  In order to prevent the car from moving up and down unexpectedly during maintenance and inspection work of the dam waiter, it is necessary to press the emergency stop button during the work.

JP 2006-36373 A

  The emergency stop button stops the car when it is pressed, but it automatically recovers when the hand is released. Therefore, in maintenance and inspection work for the dam waiter, in addition to maintenance and inspection workers, work to press the emergency stop button on the floor At least two members were required.

  Therefore, it is conceivable to newly install a dedicated button for stopping the raising / lowering of the car during maintenance / inspection. However, it is costly and troublesome to repair the existing dam waiter. In view of this, the present inventors have invented a jig that holds the pressed state of an emergency stop button that can also be applied to existing dam waiters.

  The present invention provides a maintenance / inspection jig for a dam waiter that holds the pressed state of the emergency stop button, thereby reducing the number of workers pressing the emergency stop button, ensuring safety and improving work efficiency. With the goal.

The maintenance / inspection jig for a dam waiter according to the present invention is:
An operation panel arranged around the three-way frame;
A push-type emergency stop button arranged on the operation panel;
A jig used for maintenance and inspection work of dam waiters,
A holding frame detachably attached to the operation panel;
A pressing member provided on the holding frame and pressing the emergency stop button;
With

  The pressing member is a bolt that is screwed into the holding frame, and the head of the bolt is arranged to press the emergency stop button, and the head can be adjusted by rotating the bolt. Is possible.

The operation panel includes a face plate on which the emergency stop button is arranged,
The holding frame is attached to the face plate by hooking the holding frame on the face plate.

  According to the present invention, when the dam waiter maintenance / inspection jig is mounted on the operation panel, the pressing member can press the emergency stop button and hold the pressed state. Therefore, when the maintenance / inspection work for the dam waiter according to the present invention is attached to the operation panel during the maintenance / inspection work, the pressed state of the emergency stop button can be maintained, thus ensuring safety. In addition, since the number of workers pressing the emergency stop button can be reduced, the work efficiency can be improved.

FIG. 1 is an external perspective view of an essential part of a dam waiter. FIG. 2 is a cross-sectional view of the emergency stop button along line AA in FIG. FIG. 3 is a perspective view of a maintenance / inspection jig for a dam waiter according to an embodiment of the present invention. FIG. 4 is an exploded perspective view of a dam waiter maintenance / inspection jig according to an embodiment of the present invention. FIG. 5 is a cross-sectional view showing a use state in which a maintenance / inspection jig for a dam waiter according to an embodiment of the present invention is mounted on a face plate of an operation panel. FIG. 6 is an external perspective view of a main part of a dam waiter according to another embodiment. FIG. 7 is a cross-sectional view showing a state in which the dam waiter maintenance / inspection jig is mounted on the face plate of the operation panel of the dam waiter of FIG.

  Hereinafter, a maintenance / inspection jig for a dam waiter according to an embodiment of the present invention will be described with reference to the drawings.

  The present invention relates to a dam waiter maintenance / inspection jig 30 (hereinafter referred to as “maintenance / inspection jig”) that can maintain the emergency stop button 24 of the dam waiter 10 in a depressed state.

  The dam waiter 10 raises and lowers a car in a hoistway formed in a building, and loads and removes luggage through a loading / unloading port 12 from a three-way frame 11 formed on a floor as shown in FIG. The entrance / exit 12 is provided with doors 13 and 13 that open and close up and down.

  As shown in FIG. 1, the operation panel 20 is disposed in the three-way frame 11. In the illustrated embodiment, the operation panel 20 is disposed on the right side of the loading / unloading port 12, but the position of the operation panel 20 may be on the left side or the upper side (see FIG. 6) of the loading / unloading port 12.

  The operation panel 20 has a metal face plate 21 serving as a decorative panel fixed to the three-side frame 11 with screws 25 and 25, and a car call button from a hole 22 (see FIG. 2) formed in the face plate 21. An operation button 23 such as a door opening / closing button and a destination floor button and an emergency stop button 24 are installed so as to slightly protrude. These buttons 23 and 24 send signals to the control panel of the dam waiter 10 to control the dam waiter 10 car and the like.

  As shown in FIG. 2, the emergency stop button 24 is a push-down type and protrudes from the operation panel 20 by a biasing means such as a spring (not shown) when not pressed in the pushing direction (arrow B in FIG. 2). It is energized to do.

  The emergency stop button 24 is a button for maintaining a state where the car is stopped by power supply to the motor that raises and lowers the car when pressed. That is, in maintenance / inspection work, the emergency stop button 24 is held down to prevent the car from being lifted unexpectedly.

  3 is a perspective view of a maintenance / inspection jig 30 according to an embodiment of the present invention, FIG. 4 is an exploded perspective view, and FIG. 5 is a diagram showing a use state of the maintenance / inspection jig 30. As shown in the figure, the maintenance / inspection jig 30 is configured by attaching a pressing member 50 for pressing the emergency stop button 24 to a metal holding frame 40, and is attached at a position indicated by α in FIG.

  The holding frame 40 is bent in a U-shape, and the mounting surface 41 to which the pressing member 50 is mounted is formed long among the opposing surfaces 41 and 43. The mounting surface 41 is formed with an adjustment hole 42 through which the shaft portion 54 of the bolt 51 serving as the pressing member 50 passes. The adjustment hole 42 has a width that allows the shaft portion 54 to be fitted with a margin, and is formed long so that the position of the pressing member 50 can be adjusted according to the position of the emergency stop button 24.

  The other surface 43 protrudes short, and forms a claw piece 44 that attaches the holding frame 40 to the face plate 21 by being hooked on the edge of the face plate 21. As shown in FIG. 5, the claw piece 44 is inserted into a gap S formed between the three-side frame 11 and the face plate 21 by slightly loosening the screws 25 and 25 for attaching the face plate 21 to the three-side frame 11. As a result, the holding frame 40 is fixed to the dam waiter 10.

  The above-described surfaces 41 and 43 are connected by a connecting surface 45. The connecting surface 45 is formed so that the pressing member 50 has a length that allows the emergency stop button 24 to be pressed.

  A pressing member 50 is attached to the holding frame 40. The pressing member 50 can be constituted by, for example, a bolt 51 and an inner nut 55 and a wing nut 56 that fix the bolt 51 to the holding frame 40. The head 52 of the bolt 51 is disposed so as to press the emergency stop button 24, and a non-slip member 53 is attached which is molded by baking rubber or the like.

  In the bolt 51, the shaft portion 54 is fitted in the adjustment hole 42 described above, and an inner nut 55 is screwed on the inner side and a wing nut 56 is screwed on the outer side of the adjustment hole 42. By rotating the inner nut 55 and the wing nut 56, the degree of protrusion of the head 52 of the bolt 51 can be adjusted. A washer 57 and a rubber washer 58 can be fitted between the inner nut 55 and the holding frame 40 and between the wing nut 56 and the holding frame 40, as necessary. In the drawing, a washer 57 and a rubber washer 58 are fitted between the wing nut and the holding frame 40.

  The maintenance / inspection jig 30 having the above configuration is attached at a position indicated by α in FIG. More specifically, as shown in FIG. 5, the screws 25, 25 for attaching the face plate 21 to the three-side frame 11 are slightly loosened, and the claw is formed in the gap S formed between the three-side frame 11 and the face plate 21. Insert the piece 44 and hook it. Then, the head 52 of the pressing member 50 may be positioned so that the emergency stop button 24 can be held in the pressed state.

  The pressing member 50 performs positioning with respect to the adjustment hole 42 and adjustment of the protruding amount of the head 52 in advance according to the position and pressing amount of the emergency stop button 24, and the bolt 51 is held by the inner nut 55 and the wing nut 56. By fixing to, it can be installed smoothly.

  By attaching the maintenance / inspection jig 30 to the dam waiter 10, the emergency stop button 24 can hold the pressed state as indicated by the arrow C in FIG. Work safety can be increased. In addition, since the number of workers for pressing the emergency stop button 24 can be reduced, work efficiency can be improved.

  In particular, the maintenance / inspection jig 30 of the present invention has an advantage that it can be applied to an existing dam waiter 10 without adding a new device or refurbishing the dam waiter 10.

  To remove the maintenance / inspection jig 30, the inner nut 55 and the wing nut 56 may be loosened and the head 52 of the bolt 51 may be retracted. Thereby, since the holding frame 40 is inclined, the claw piece 44 can be pulled out from the face plate 21. Then, the screws 25, 25 that have been loosened are retightened and the face plate 21 is fixed to the three-way frame 11 again.

  FIG. 6 is an example of the dam waiter 10 in which the operation panel 20 is arranged on the upper side of the inlet / outlet 12, and FIG. 7 is a cross-sectional view of the maintenance / inspection jig 30 attached at the position β in FIG. In each figure, the same reference numerals as those in the above embodiment are the same members, and a detailed description thereof will be omitted.

  In the dam waiter 10 shown in FIG. 6, the face plate 21 of the operation panel 20 is provided horizontally. In this case, as shown in FIG. 7, the maintenance / inspection jig 30 desirably hooks the claw piece 44 into the gap S formed between the three-way frame 11 and the face plate 21 from above. By inserting the claw piece 44 from above, even when the wing nut 56 is loosened when the maintenance / inspection jig 30 is attached or removed, the claw piece 44 is caught on the face plate 21, so the jig 30 falls. There is an advantage that can be prevented.

  The above description is for explaining the present invention, and should not be construed as limiting the invention described in the claims or limiting the scope thereof. Further, the configuration of each part of the present invention is not limited to the above-described embodiment, and various modifications can be made within the technical scope described in the claims.

  For example, in the above embodiment, the holding frame 40 is a U-shaped plate, but the shape is not limited thereto. In the above embodiment, the number of the holding frames is one, but the two holding frames are formed so that the adjustment holes 42 can be extended and contracted so that the nail pieces are caught on both edges of the face plate 21. Also good. Further, such a holding frame may be configured to cross in a cross shape.

  Further, the pressing member 50 has a pressure sensor disposed on the head 52 that contacts the emergency stop button 24. When the pressure detected by the pressure sensor falls below a predetermined threshold, sound, light, wireless communication, or the like Can also be configured to notify the operator. Thereby, even if the maintenance / inspection jig 30 is removed, the operator is notified, so that the maintenance / inspection work can be performed safely.

  Moreover, in the said embodiment, although the screw | thread 25 of the face plate 21 is loosened and the clearance gap S is formed between the three-way frame 11 and the face plate 21, you may make it face the face plate 21. FIG.

10 Dam Waiter 20 Operation Panel 21 Face Plate 24 Emergency Stop Button 30 Dam Waiter Maintenance / Inspection Jig 40 Holding Frame 50 Pressing Member 51 Bolt

Claims (3)

An operation panel arranged around the three-way frame;
A push-type emergency stop button arranged on the operation panel;
A jig used for maintenance and inspection work of dam waiters,
A holding frame detachably attached to the operation panel;
A pressing member that is provided on the holding frame and holds in a state where the emergency stop button is pressed when the holding frame is attached to the dam waiter ;
A maintenance / inspection jig for dam waiters. The pressing member is a bolt screwed into the holding frame, and the head portion of the bolt is disposed so as to press the emergency stop button. Is possible,
The maintenance / inspection jig for dam waiters according to claim 1. The operation panel includes a face plate on which the emergency stop button is arranged,
The holding frame is attached to the face plate by hooking the holding frame on the face plate.
The maintenance / inspection jig for a dam waiter according to claim 1 or 2.

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