JPS6363470B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in operating switch devices for passenger conveyors, such as escalators and moving roads.

First, a conventional passenger conveyor operating switch device will be explained with reference to FIGS. 1 and 2.

In Fig. 1, 1 is the main body of the passenger conveyor, 1a is the railing of the main body 1 of the passenger conveyor, 2a and 2b are the landing areas of the passenger conveyors on the upper and lower floors, and 3a and 3b are the ends of the upper and lower landing sides of the handrail 1a. This is an operation switch device provided in each. As shown in FIG. 2, the operation switch device includes an emergency stop button 4, a starting cylinder lock switch 5, and a stop cylinder lock switch 6 on a panel body 7, respectively. The emergency stop button 4 is usually covered with a cover to prevent abuse. The starting cylinder lock switch 5 is used to operate the passenger conveyor body 1 upward when the key is inserted and turned to the right, and to be operated downward when the key is turned to the left. When turned to the right, the passenger conveyor main body 1 stops, and when turned to the left, the operating switch 3b on the lower floor operates an alarm such as a buzzer or bell on the opposite floor, such as the upper floor.

The conventional passenger conveyor operation switch device configured as described above includes an emergency stop button 4, a starting cylinder lock switch 5 for starting raising and lowering, and a stopping cylinder lock switch 6 for stopping and warning. It is equipped with It is well known that the start switch and stop switch are cylinder lock switches so that ordinary passengers cannot operate them. The alarm switch is operated on either the upper or lower floor of the passenger conveyor, and when operated, it is used to notify the operating side to the non-operating side that the passenger conveyor will be activated. A buzzer or bell rings on the non-operating side to alert people near the boarding area.
As mentioned above, the conventional passenger conveyor operating switch device is composed of multiple operating devices, and when starting the passenger conveyor, it is necessary to insert and remove keys into and turn multiple cylinder lock switches, making the operation cumbersome and cumbersome. There was a risk that the official operating procedure of having the driver operate the activation cylinder lock switch without operating the alarm switch would not be followed.

This invention was made in view of the above-mentioned circumstances, and by providing an operation switch with multiple functions such as lifting, stopping, and alarm, it is possible to eliminate the troublesome operation and prevent mistakes. It is an object of the present invention to provide an operation switch device for a passenger conveyor that can prevent the operation of the procedure.

An embodiment of the present invention will be described below with reference to FIGS. 3 to 5.

In FIG. 3, the same reference numerals as those in FIG. 2 indicate the same or corresponding parts, and 8 is an operational cylinder lock switch which also has the functions of starting and stopping the lift and warning. This cylinder lock switch 8 is constructed as shown in FIG. That is, in Figure 4, 8
a is a cylinder lock, 9 is an alarm limit switch that closes when the key is inserted into the cylinder lock 8a, 1
0 is a stop limit switch that is opened by a cam 13b provided on the cylinder lock 8a when the key is inserted and pressed, and 11 and 12 are closed by the rotation of the cam 13a provided on the cylinder lock 8a when the key is turned to the right or left. This is a rising and falling limit switch for starting. FIG. 5 is a circuit diagram of the above-mentioned switch, in which 9a, 10a, 11a, 12a are the contacts of the limit switches 9, 10, 11, 12, 14 is an alarm such as a bell or buzzer, 15, 16 are relays, 15a and 16a are contacts of relays 15 and 16. The operating switch device according to this embodiment, like the conventional one shown in FIG. 1, is provided as an operating panel on the railing and at the end of the lower landing side of the passenger conveyor.

Next, the operation of this embodiment will be explained. When the passenger conveyor body is stopped, lock the key into the cylinder lock 8
a, the contact 9a of the alarm limit switch 9 closes and the alarm 14 on the non-operating floor continues to sound. Next, turn the key to the right or left to turn cam 1.
3a rotates from the neutral state in the direction of turning the key,
The contact 11a or 12a of the start up/down limit switch 11 or 12 is closed.
When the contact point 11a of the starting lift limit switch 11 is closed, the relay 15 is energized and the electric motor (not shown) of the passenger conveyor drive unit rotates in the upward direction, and the brake (not shown) is turned on.
is energized and started in the upward direction. When the contact 12a of the starting lower limit switch 12 is closed, the relay 16 is energized and the passenger conveyor is started in the downward direction in the same manner as in the upward movement described above. Moreover, by making the key come out from the cylinder lock 8a only in the neutral position shown in FIG. 3, when the key is removed, the contact 11a or 1
2a opens, but relay 15 or 16 can remain energized because contact 15a or 16a remains closed. Therefore, even if the key is removed, the passenger conveyor remains in operation. If you find it troublesome to return the key to the removed position, you can incorporate a return spring into the cylinder lock 8.
After turning the key to the left or right to activate it, when you release your hand, the return spring returns to the original neutral position, allowing you to easily remove the key. Furthermore, to stop the passenger conveyor, insert the key into the cylinder lock 8a and press it, then the cam 1
3b opens the contact 10a of the stop limit switch 10, deenergizes the energized relay 15 or 16, and stops the passenger conveyor. After that, when you let go of the key, a spring (not shown) will return the key to its original position, so you can pull out the key.

As mentioned above, in this embodiment, a single operating cylinder lock switch can perform all operations for alarming, raising, lowering and stopping the passenger conveyor. In addition, for a passenger conveyor where lighting equipment is installed at both ends of the handrail, if the lighting equipment is turned on when it is started, the emergency stop button 4 shown in Fig. 3 and the cylinder lock switch for operation can be activated. 8-2
The number of cylinder lock switches can be reduced compared to the conventional one shown in FIG.

In addition, although the above embodiment describes the case where the operation switch device is provided on the handrail, the present invention can also be applied to a case where the operation switch device is provided on a pillar provided separately from the handrail at or near the landing of a passenger conveyor. Moreover, it can be applied not only to escalators but also to moving roads where the treads move horizontally, and even in these cases, the same effect as that of the embodiment can be obtained.

As explained above, in the passenger conveyor operating switch device according to the present invention, the operating switch is provided with multiple types of functions such as raising/lowering, stopping, and alarm, so that the number of operating switches can be reduced, and the alarm This has the effect of preventing erroneous operations such as starting the passenger conveyor without operating the passenger conveyor, and improving safety at the time of starting.

[Brief explanation of drawings]

FIG. 1 is a schematic side view of a passenger conveyor, FIG. 2 is a front view of a conventional operating switch device, FIG. 3 is a front view of an operating switch device for a passenger conveyor according to an embodiment of the present invention, and FIG. 4 is a front view of a conventional operating switch device. A plan view of the main part,
FIG. 5 shows the electrical circuit diagram. 8... Operation cylinder lock switch, 8a...
Cylinder lock, 9...alarm limit switch,
10... Limit switch for stopping, 11, 12...
...starting rise and fall limit switch, 13a,
13b...Cam, 14...Alarm, 15, 16...
…relay. In addition, the same parts or corresponding parts in the figures are indicated by the same reference numerals.

Claims (1)

[Claims] 1 A lock provided at the escalator entrance, an alarm switch placed in this lock that connects the alarm to a power source by operating when a key is inserted, and the above key placed and inserted in the lock. a stop switch that is operated by a pressing operation to stop the escalator; and a stop switch that is operated by a rotating operation of the key inserted and arranged in the lock to start the escalator in either an upward direction or a downward direction. A passenger conveyor operating switch device comprising a start switch.