JPH04127787U - escalator safety device - Google Patents

Abstract

(57) [Summary] [Purpose] The purpose of the present invention is to easily and reliably adjust the operating point of an escalator safety device. [Structure] The present invention provides a flexible tube 6 with liquid sealed inside over the entire length on the back side of the skirt guard 4, and is actuated by the liquid pressure in the tube, and stops the escalator 1 when activated. The structure is equipped with a pressure switch to

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a safety device for an escalator.

0002

[Conventional technology]

The conventional device is a skirt guard as described in Utility Model Application No. 55-164278. Place a tape switch or two conductors close to each other in the longitudinal direction on the back side. Do not allow tape switches or two conductors to contact each other due to deflection of the cart guard. Therefore, a separately installed contactor is electrically operated to stop the escalator. .

0003

[Problem that the idea aims to solve]

However, the above conventional device has a tape switch due to the deflection of the skirt guard. Since the contactor is operated electrically by contacting two conductors, it is easy to adjust the operating point. If the skirt guard is to be removed each time, the detection part must be removed. is continuous, so adjustment work must be done over the entire length of the skirt guard. .

0004 The purpose of this invention is to provide an escalator that can easily and reliably adjust the operating point. The objective is to provide a safety device for the computer.

[0005]

[Means to solve the problem]

In order to achieve the above object, this invention has two entrances connected in an endless manner. An elevator with running steps and skirt guards installed on both sides of these steps. In the safety device of the scaler, a flexible tube with a liquid sealed inside is inserted into the safety device. It is installed along the entire length on the back side of the cart guard and is operated by the hydraulic pressure inside the tube. However, a pressure switch is installed to stop the escalator.

[0006]

[Effect]

Pressure switch via the liquid in the tube the displacement of the skirt guard as above Since it detects displacement at any position in the length direction of the skirt guard, The displacement of the skirt guard can also be detected using a pressure switch, and the displacement of the skirt guard can be detected using a pressure switch. Since the pressure switch is transmitted by force displacement, the pressure switch can be placed in any position, such as in a machine room. The operating point can be adjusted without removing the skirt guard etc. Ru. In addition, since it is only necessary to vary the operating pressure of the pressure switch contacts, there is only one adjustment required. It can be easily done anywhere.

[0007]

【Example】

An embodiment of the present invention will be described with reference to FIGS. 1 and 2.

[0008] In the figure, 1 is an escalator, and 2 is an endlessly connected escalator that runs between two entrances and exits. Steps, 3 are handrails that run in synchronization with step 2, 4 are installed on both sides of step 2 The skirt guard 5 is provided on the deck, and the number 6 is provided on the back side of the skirt guard 4. 7 is a tube filled with liquid; 7 is a pressure switch operated by the liquid pressure of the tube; 8 is the frame of escalator 1, and 9 is the frame for attaching tube 6 to frame 8. Fixed. 10 is a machine room provided under the entrance, and 11 is a panel or gasket. Shows lath.

[0009] Next, the operation of this device will be explained.

0010 If a foreign object is caught between the step 2 and the skirt guard 4, the skirt guard 4 will be displaced. Then, the tube 6 is pushed, the fluid pressure inside the tube increases, the pressure switch 7 is activated, and the air is removed. Stop the scaler. On the other hand, the tube 6 is arranged in the length direction of the skirt guard 4. Therefore, even if the skirt guard 4 is displaced at any position, there will be no escalation. It is possible to stop the data reliably. Also, the pressure switch 7 can be installed at any position. Pressure switch 7 can be removed without removing skirt guard 4 etc. By simply varying the operating pressure of the escalator, you can ensure the operating point at which the escalator stops. can also be easily adjusted.

[0011]

[Effect of the idea]

According to the present invention, the pressure switch can be installed at any location, for example in the machine room. The operating point can be adjusted without removing the seat guard etc. Also, the pressure switch Since all you have to do is vary the operating pressure of the switch contact, adjustment is easy and only in one place. It can be carried out.

[Brief explanation of drawings]

FIG. 1 is a schematic diagram showing an embodiment of an escalator safety device of the present invention.

FIG. 2 is a sectional view taken along line AA in FIG. 1;

[Explanation of symbols]

1 escalator 2 Steps 4 Skirt guard 6 tube 7 Pressure switch

Claims (1)

[Scope of utility model registration request] Claim 1: A safety device for an escalator that has a plurality of steps that are connected in an endless manner and run through two entrances and exits, and skirt guards installed on both sides of these steps. A safety device for an escalator, characterized in that a flexible tube is provided along the entire length on the back side of a skirt guard, and a pressure switch is provided which is operated by hydraulic pressure in the tube to stop the escalator.