JP2553154B2 - Escalator wiring structure - Google Patents

Description

The present invention relates to an escalator wiring structure for electrically wiring various electric devices such as a safety switch of an escalator through a frame.

(Prior Art) Generally, in an escalator, as shown in FIG.
A power supply line 3 is drawn from the outside into a power receiving board 2 provided in a machine room in the upper frame 1A like a wavy line, and a breaker (not shown) of the power receiving board 2 is turned on to pass through a relay terminal block 4. An electromagnetic relay (not shown) of the control box 5 supplies a three-phase power source to the motor 6 of the step drive device. To actually start the escalator, after confirming that the breaker of the power receiving panel 2 of the power supply is turned on, the upper operation panel 8a at the hem of the balustrade 7 on the upper frame 1A or the lower frame 1B By operating the operation direction switch (not shown) of the lower operation panel 8b at the bottom of the balustrade 7 to the up or down side, the electromagnetic relay is turned on in the control box 5, and the brake release confirmation switch 9 is turned on. When turned on, the brake is released and the motor 6 rotates, and this rotational driving force is transmitted to the step 10 and the moving handrail 11 of the balustrade 7 via a drive chain, a sprocket, etc., and the step 10 and the moving handrail 11 are connected. By rotating in the same direction synchronously, the escalator operating state can be obtained.

As a safety device for the escalator, the upper frame 1A
The drive chain disconnection detection switch 12, the upper inlet safety switch 13a, the emergency stop button switch 14a incorporated in the upper operation panel 8a, the upper step abnormality detection switch 15a, and the upper skirt guard safety switch 16a are provided on the side. It is arranged. Further, the lower inlet safety switch 13b on the lower frame 1B side, the emergency stop button switch 14b incorporated in the lower operation panel 8b, and the lower step abnormality detection switch 1
5b, a lower skirt guard portion safety switch 16b, and a step chain break detection switch 17 are provided. All of the upper and lower switches 12 to 17 are connected in series at the site by a wiring cable 18 and connected to the relay terminal block 4, and even if any of the switches is operated, a failure signal is output from the relay terminal block 4 to the control box 5. Then, the electromagnetic relay of the control box 5 is turned off, and the brake release confirmation switch 9 is turned off, so that the brake is closed and the escalator operation is stopped.

Here, the switches 12 to 17 of each part as the safety device are
As the wiring cable 18 of, a seamless cable has been used in the past,
When the escalator is divided into a plurality of parts and shipped from the factory, the cable 18 is preliminarily installed only in the upper frame 1A, and the tip side part 18a thereof is rounded as shown by an imaginary line in the drawing and tied to the beam member of the frame. Keep it. Then, the cable tip side part 18a that is rounded at the time of hem at the site is unwound from the beam material of the frame, extended from within the upper frame 1A, and conducted to the lower frame 1B via the intermediate frame 1C to conduct wiring. are doing.

When the balustrade lighting device is provided on the escalator described above, a plurality of lighting lamps 19a, 19b, 19c, 19 are arranged on the deck board portion of the balustrade 7 in the longitudinal direction as shown in FIG.
While installing d, 19e, 19f, the number of ballasts 20 corresponding to it is stored in one place in the intermediate frame 1C, and the upper floor side illumination lamps 19a, 19b, 19c and the ballasts 20 corresponding thereto are stored.
Between the and, the lighting cable 22 is electrically connected to the balustrade deck board via the flexible conduit 21 provided in the upper frame 1A, and the lower floor side lighting lamps 19d, 19e, 19f and corresponding to this. The lighting cable 24 is electrically connected to the ballast deck 20 through the flexible electric wire tube 23 provided in the lower frame 1B. Even with this lighting wiring, when shipping from the factory with the escalator divided into multiple parts,
The illumination cables 22 and 24 are rolled up in the intermediate frame 1C as shown by 22a and 24a, and are tied to the beam members of the frame. At the time of on-site installation, the illumination cables are unwound, stretched, and wired as described above.

(Problems to be Solved by the Invention) By the way, in the above-described conventional escalator wiring structure, the switch on the lower frame 1B side is particularly used as a safety device.
There was a problem in the wiring work of the wiring cable 18 to 13b to 17. In other words, when the escalator is shipped from the factory, the wiring cable
18 is rolled up inside the upper frame 1A and tied up, and at the time of escalator installation at the site, the wiring cable 18 is unwound and extended while conducting to the lower frame 1B via the inside of the intermediate frame 1C to the switches 13b to 17 Wiring must be performed, and the work of tying up the wiring cables 18 by rolling them up and unwinding and rewiring at the site is troublesome, and it takes a lot of labor and time, and at the same time, the wiring equipment such as a bundling band is needed at the site. There were problems such as the need to send more.

The present invention has been made in view of the above circumstances, and most wiring work can be completed without extra work such as rolling and binding wiring cables in a factory, and wiring work at the site is extremely easy and easy in a short time. It is an object of the present invention to provide a simple escalator wiring structure that can reduce the number of wiring items to be sent to the site.

[Structure of Invention]

(Means for Solving the Problems) In order to achieve the above-mentioned object, the escalator wiring structure of the present invention has wiring cables for electric appliances in advance in the upper frame and the lower frame of the escalator. While being fixedly installed, the upper and lower cables are connected to each other via a connector by an intermediate cable provided with slack in the intermediate frame in advance.

(Operation) With the above configuration, in the escalator wiring structure of the present invention, the wiring cables in the upper and lower frames can be fixed and provided in advance, and the upper and lower wiring cables can be preliminarily loosened in the intermediate frame. Since you can extend the intermediate cable you have and connect it with the connector,
Most of the wiring work of the cables in the upper and lower frames and the intermediate frame can be efficiently completed at the factory, and the wiring work can be done very easily and quickly in the field simply by connecting the cables with connectors. Become. Further, as a result, it is possible to eliminate the troublesome work such as the conventional binding of the wiring cable by rolling and unwinding and unwiring and rewiring at the site, and it becomes possible to reduce the number of sending wiring items to the site.

Embodiment An embodiment of the present invention will be described below with reference to FIGS. In the drawings, the same components as those shown in FIGS. 6 and 7 are designated by the same reference numerals to simplify the description.

First, FIG. 3 shows an upper frame 1A divided for shipment from a factory on a truck, etc., FIG. 4 also shows an intermediate frame 1C, and FIG. 5 also shows a lower frame 1B.
Is shown.

Here, a wiring cable 25 is provided in advance in the factory in the upper frame 1A shown in FIG. The wiring cable 25 is fixed to the required length in the upper frame 1A, and the drive chain disconnection detection switch 12 and the upper step abnormality detection switch 15a as a safety device similar to the conventional one are provided.
, And the upper skirt guard part safety switch 16a are connected in series, and the terminal is connected to the relay terminal block 4. Also provided are extension portions 25a and 25b for connection to the upper inlet portion safety switch 13a and the emergency stop button switch 14a arranged locally. Further, a plug-shaped connector 26 is connected to the tip of the wiring cable 25, and the connector 26 is housed in a connection box 27 and provided at the intermediate frame connection end portion of the upper frame 1A.

Further, in the lower frame 1B shown in FIG. 5, a wiring cable 28 is previously fixed and provided in a factory at a required length in the lower frame 1B. The wiring cable 28 is also connected in series to the lower step abnormality detection switch 15b, the lower skirt guard portion safety switch 16b, and the step chain disconnection detection switch 17 as a safety device similar to the conventional one, and is arranged locally. Extensions 28a, 28b are provided for connection to the lower inlet safety switch 13b and the emergency stop button switch 14b. Further, a plug-shaped connector 29 at the tip of the wiring cable 28 is connected, and the connector 29 is housed in a connection box 30 and provided at the intermediate frame connection end portion of the lower frame 1B.

Further, as shown in FIG. 4, an intermediate cable 31 for connection is provided in the factory in advance in the intermediate frame 1C. The intermediate cable 31 is longer than the entire length of the intermediate frame 1C, is attached to both ends of the intermediate frame 1C in the longitudinal direction, and has slacks 31a and 31b at both ends. Moreover, cap-shaped connectors 32 and 33 are provided at both ends of the intermediate cable 31, respectively.

On the other hand, when a balustrade lighting device is provided, in order to simplify the wiring work, the ballast 20 is not concentrated in one place in the intermediate frame 1C as in the conventional case, but is used for the upper floor side illumination lamp. The ballasts 20 are installed in the upper frame 1A as shown in FIG. 3, and the ballasts 20 for lower floor lighting lamps are installed in the lower frame 1B as shown in FIG. Lighting cable extended from the container 20
34 and 35 are preliminarily provided in the upper and lower frames 1A and 1B at the factory so as to be able to extend upward via the flexible conduits 36 and 37, respectively.

When the escalator is shipped after being shipped from the factory with such a configuration and installed on the site, the slack at both ends of the intermediate cable 31 in the intermediate frame 1C is extended as shown in FIGS. Connect the connectors 32, 33 at both ends to the wiring cables 25, 28 in the upper and lower frames 1A, 1B
They are connected by inserting them into connectors 27 and 29 inside 0. This completes the electrical wiring inside the upper, middle, and lower frames 1A, 1C, 1B, and the upper extension portions 25a, 25b, 28a, 28b of the upper and lower wiring cables 25, 28 are connected to the upper and lower inlet safety switch 1
By connecting 3a and 13b to the emergency stop button switches 14a and 14b, the electrical wiring of all switches of the safety device is completed.

Further, the wiring of the balustrade lighting device is completely unrelated to the intermediate frame 1C, and lighting cables 34 and 35 extending from the ballast 20 in the upper and lower frames 1A and 1B are passed through the deck board portion of the upper balustrade 7 to illuminate. The wiring is completed by connecting to the lamps 19a.

〔The invention's effect〕

Since the present invention is configured as described above, most of the wiring work can be completed without extra work such as rolling and binding the wiring cable in the factory, and the on-site wiring work is very easy and quick. Not only will it be easier, but it will also be a simple escalated wiring structure that will reduce the amount of wiring supplies sent to the site.

[Brief description of drawings]

FIG. 1 is a schematic diagram of an escalator wiring structure showing an embodiment of the present invention, FIG. 2 is a partially enlarged view of FIG. 1, FIG. 3 is a schematic diagram of wiring in an upper frame, and FIG. 4 is an intermediate frame. Wiring schematic, FIG. 5 is a schematic of the lower frame wiring, 6th
FIG. 7 is a schematic diagram showing a conventional escalator wiring structure, and FIG. 7 is a schematic diagram of a conventional escalator balustrade lighting wiring structure. 1A ... upper frame, 1B ... lower frame, 1C ... intermediate frame, 4 ... relay terminal block, 5 ... control box, 12 to 17 ...
… Electrical equipment (various switches as safety devices), 25,28
...... Wiring cable, 31 ...... Intermediate cable, 31a, 31b ...... Looseness, 27, 29, 32, 33 ...... Connector.

Claims (1)

(57) [Claims] 1. An escalator wiring structure in which an electric device on the upper frame side and an electric device on the lower frame side of an escalator are cabled via an intermediate frame,
In the upper frame and in the lower frame, wiring cables for each electric device are fixed and installed in advance in length, and both upper and lower cables are provided in the intermediate frame with some slack in advance. An escalator wiring structure characterized by being connected via a connector by a cable.