JPH01169583U

JPH01169583U -

Info

Publication number: JPH01169583U
Application number: JP6678288U
Authority: JP
Priority date: 1988-05-23
Filing date: 1988-05-23
Publication date: 1989-11-30

Description

[Brief explanation of the drawing]

第１図〜第４図は、本考案の乗客コンベアの地
震時安全装置における動作回路と進入防止柵機構
の一実施例を示す説明図で、第１図は全体構成を
示す概要図、第２図は下部乗降口の概要図、第３
図は進入防止柵の機構図、第４図は上部乗降口の
進入防止柵の動作時の正面図である。１……エスカレータ、２Ａ……上部乗降口、２
Ｂ……下部乗降口、３……踏み段、４……欄干、
５……トラス、６Ａ……上部進入防止柵、６Ｂ…
…下部進入防止柵、７Ａ……上部機械室、７Ｂ…
…下部機械室、８Ａ……上部進入防止柵本体、８
Ｂ……下部進入防止柵本体、９Ａ……ラツク、９
Ｂ……ラツク、１０Ａ……ピニオン、１０Ｂ……
ピニオン、１１Ａ……上下駆動用モーター、１１
Ｂ……上下駆動用モーター、１２Ａ_１……上昇端
位置検出リミツトスイツチ、１２Ａ_２……下降端
位置検出リミツトスイツチ、１２Ｂ_１……上昇端
位置検出リミツトスイツチ、１２Ｂ_２……下降端
位置検出リミツトスイツチ、１３……注意表示装
置、１４……放送装置、１５……制御装置、１６
……起動復帰回路（上部進入防止柵用）、１７…
…起動復帰回路（下部進入防止柵用）、１８……
地震感知器、１９……直接（手動）操作スイツチ
、２０……遠方操作スイツチ、２１……切り替え
スイツチ、２２……電源装置、２３……非常電源
（バツテリー）。 Figures 1 to 4 are explanatory diagrams showing one embodiment of the operating circuit and entry prevention fence mechanism of the earthquake safety device for a passenger conveyor of the present invention; Figure 1 is a schematic diagram showing the overall configuration; The figure is a schematic diagram of the lower entrance.
The figure is a mechanical diagram of the entry prevention fence, and FIG. 4 is a front view of the entry prevention fence at the upper entrance/exit when it is in operation. 1... Escalator, 2A... Upper entrance, 2
B... lower entrance, 3... steps, 4... handrail,
5...Truss, 6A...Upper entry prevention fence, 6B...
...Lower entry prevention fence, 7A...Upper machine room, 7B...
...Lower machine room, 8A...Upper entry prevention fence body, 8
B... lower entry prevention fence body, 9A... easy, 9
B...Rack, 10A...Pinion, 10B...
Pinion, 11A... Vertical drive motor, 11
B... Vertical drive motor, 12A ₁ ... Ascent end position detection limit switch, 12A 2... Descending end position detection limit switch, 12B ₁ ... Ascent end position detection limit switch, 12B ₂ ... Descending end position detection limit switch, ₁₃ ... ... Caution display device, 14 ... Broadcasting device, 15 ... Control device, 16
...Start return circuit (for upper entry prevention fence), 17...
...Start return circuit (for lower entry prevention fence), 18...
Earthquake detector, 19...direct (manual) operation switch, 20...remote operation switch, 21...changeover switch, 22...power supply device, 23...emergency power supply (battery).

Claims

[Scope of utility model registration request]

In an earthquake safety system for a passenger conveyor, which has a plurality of seamlessly connected steps running between the entrances and exits of the upper and lower floors, and handrails erected on both sides of the steps, an earthquake detector and an escalator are used. a speaker of a broadcasting device installed in a nearby position; an entry prevention fence installed in each of the entrances so as to be freely retractable and ingressable to prevent passengers from entering and exiting the steps; the earthquake sensor, the broadcasting device, and means connected to an entry prevention fence and operating the broadcasting device when the earthquake sensor detects shaking exceeding a preset earthquake strength; an entry prevention device installed on the boarding side of the platform entrance; Means for pushing out the fence and then pushing out an entry prevention fence installed at the exit side entrance/exit after a predetermined time has elapsed, and means for stopping the drive of the step after the exit side entry prevention fence starts to push out. An earthquake safety device for a passenger conveyor, comprising: a control device having the following features: