JP2002137880A - Methods of installing and removing special step on and from escalator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide methods of installing and removing a special step on and from an escalator, capable of reducing costs while providing good workability and high security. SOLUTION: A row of steps of an escalator which circulate during travel comprises normal steps 3 and at least one special step 1 for carrying a wheelchair. The row of steps is installed by the steps of installing a predetermined number of normal steps 3 at the entrance 5 of a lower story; then installing the special step 1; and installing the normal steps 3 again. After the predetermined number of normal steps 3 are installed, the escalator is operated so that the normal step 3b on which to place the special step 1 is temporarily moved to near the entrance 5. Next, the special step 1 is placed onto the normal step 3 from the entrance 5 and is transported to a predetermined position, where it is then installed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an escalator capable of utilizing a wheelchair or the like, and more particularly to a method of attaching and removing a special step for mounting a wheelchair.

[0002]

2. Description of the Related Art FIG. 5 is a schematic view of a conventional special step mounting apparatus disclosed in Japanese Utility Model Laid-Open No. 6-87385. An escalator that can be used as a wheelchair or the like has a step sequence in which a plurality of steps are connected endlessly and circulates, and the step sequence includes a normal step and at least one special step for mounting a wheelchair. In the figure, 1 is a special step, 2 is a special step mounting position, 3 is a normal step, 3a is a special step mounting position 2
3b is a normal step installed on the lower floor side of the special step mounting position 2, 4 is a stand installed on the normal step 3a, 5 is an entrance and exit, 6 is an entrance near the entrance 5 Reference numeral 7 denotes a beam extending between the base 4 and the column 6, reference numeral 8 denotes a sliding device for freely moving the beam 7, and reference numeral 9 denotes a lifting device attached to the sliding device 8. A conventional method of mounting a special step using this device will be described. Because special steps have their special mechanism,
Not only is it heavier than the normal steps, but it has a complicated structure and dimensions larger than the normal steps. A special step mounting position 2 where a part of the skirt guard can be attached and detached is provided in advance, and the special step is installed with the part of the skirt guard removed. For this reason, the special step 1 is lifted by the lifting machine 9 near the entrance 5 and moved to the upper part of the normal step 3b mounted on the lower floor side of the special step mounting position 2 by the sliding device 8, and then moved on the normal step 3b. Then, the special step 1 is lowered, and from this position, the worker mounts the special step 1 on the special step mounting position 2.

[0003]

However, according to the above-mentioned method, in order to move the special step 1 to the normal step 3b mounted on the lower floor side of the special step mounting position 2, the platform 4 and the columns 6, beams 7, It is necessary to install the sliding device 8 and the lifting device 9, which increases the cost of these facilities, the storage space for them, the transportation cost, the installation work time, and the need for two or more workers. There are many. Further, in order to install the platform 4, it is necessary to attach the normal steps 3a also on the upper floor side of the special step mounting position 2. Usually, the steps are attached sequentially from the lower floor side, so that the workability of attaching the special steps is poor. Also, in terms of safety, lifting the special steps 1 which are heavy objects may cause disasters and equipment damage due to flying drops. Therefore, the present invention has been made to solve the above-mentioned problem, and the cost of mounting and removing the special steps can be reduced, and the method and method of mounting the special steps on an escalator having good workability and high safety can be achieved. The aim is to provide a method.

[0004]

SUMMARY OF THE INVENTION The present invention has a step sequence in which a plurality of steps are connected endlessly and circulates, and the step sequence comprises a normal step and at least one special step for mounting a wheelchair. In the method of mounting a special step in the escalator, the normal step is mounted in a predetermined number, then the special step is placed on the normal step, and the escalator is driven to carry the special step to a predetermined position. Features. The present invention also provides a special step of an escalator having a step sequence in which a plurality of steps are connected endlessly and circulates, and the step sequence includes a normal step and at least one special step for mounting a wheelchair. In the removal method, the special step is removed at a predetermined position and placed on the normal step, and an escalator is operated to carry the special step near the entrance with the special step placed on the normal step. I do. ADVANTAGE OF THE INVENTION According to this invention, attachment and detachment of a special step can be performed, without using a lifting equipment. Further, when mounting the steps, the steps can be sequentially performed in the order of the normal steps, the special steps, and the normal steps.

[0005]

FIG. 1 shows a first embodiment of the present invention. FIG. 1 shows a schematic configuration of a lower floor of an escalator in which a wheelchair or the like can be used. The escalator includes a plurality of steps that are connected endlessly and circulate, and the steps include a large number of normal steps 3 and 3b and at least one step is a special step 1 for mounting a wheelchair.
When installing these steps in the truss, a predetermined number of ordinary steps 3 are first installed at the entrance 5 on the lower floor side from the entrance 5 and attached. That is, FIG.
As shown in (a) and (b), a predetermined number of normal steps 3 are attached to the lower step side entrance / exit 5 to the normal step 3b one step below the special step 1. Then, by pressing an operation button (not shown) provided on the balustrade near the entrance 5 to drive the escalator toward the lower floor side, the normal step 3b is moved to the vicinity of the entrance 5 on the lower floor to stand by. . Next, special steps 1 are attached. The special steps 1 include auxiliary wheels 12 described later.
Is attached, and the special steps 1 are
Is mounted on the normal step 3b that is traveling and waiting. Next, as shown in FIG. 3 (c), the escalator is operated toward the upper floor to move the normal step 3b to a position just before the special step mounting position 2 and stop it. The worker climbs the normal step 3 from the entrance 5 and moves to the special step mounting position 2, and separates the auxiliary wheel 12 from the special step 1 at the special step mounting position 2 as shown in FIG. 1 is installed in the truss. Next, the escalator is operated toward the lower floor, and the special step 1 is moved to the vicinity of the entrance 5 on the lower floor and stopped, and then the normal step 3 is sequentially attached.

On the other hand, when the special steps 1 are taken out of the truss for inspection or the like, the procedure is the reverse of the procedure for mounting. That is, the normal step 3 in front of the special step 1 is removed near the entrance 5 and the escalator is operated toward the upper floor to stop the special step 1 at the special step mounting position 2.
At this position, the operator removes the special step 1, attaches the auxiliary wheel 12, and places it on the subsequent normal step 3b. Next, the escalator is driven toward the lower floor, and the special step 1 is moved to the vicinity of the entrance 5 on the lower floor and stopped, and the traveling is performed using the auxiliary wheels 12, and is carried out from the entrance 5 to the vicinity of the landing. I do. According to this embodiment, without using the lifting equipment,
The special steps 1 can be attached and detached by one person. For this reason, in addition to reducing the cost of the lifting equipment, there is no need to install and disassemble the lifting equipment, so that the work time can be shortened. In addition, the installation and dismantling of the lifting equipment cannot be performed by one person, and two or more workers are required. However, according to the present embodiment, the labor can be performed by one person, so that labor costs can be reduced. Becomes In addition, since no space is required for storage and loading of the lifting equipment, space can be saved, and transportation and management costs for the lifting equipment are not required, resulting in significant cost reduction. Further, in terms of workability, even for a single person, there is no need to change the order in which the normal steps 3 and the special steps 1 are mounted. Can work. Also, in terms of safety, there is no lifting of heavy objects,
It is possible to prevent a disaster caused by a drop and damage to the equipment due to the disaster.

FIG. 2 shows a configuration in which auxiliary wheels 12 are attached to the special steps 1. The auxiliary wheels 12 are detachably attached to both front sides of the special steps 1 in the width direction by fixing bolts 13. When the auxiliary wheel 12 is detachably attached to the special step 1, the special step 1 can be moved by the rear wheel 1a and the auxiliary wheel 12 and can be handled easily because there is no need to lift. Moreover, since the auxiliary wheel 12 itself is small, the removed auxiliary wheel 12 can be stored inside the escalator or the like. 3 and 4 show a second embodiment of the present invention. In this embodiment, a bogie 10 is used in place of the auxiliary wheels 12 to enable the special steps 1 to travel. In order to incorporate the steps into the truss, first enter the normal steps 3 at the lower entrance 5
And a predetermined number are sequentially incorporated from the entrance 5 and attached. Next, the special step 1 is placed on the trolley 10 and travels, and is placed on the normal step 3b. In this state, the escalator is driven to the upper floor side, stopped just before the special step mounting position 2, and the special step 1 is lowered from the bogie 10 and installed in the truss. Subsequent operations are the same as in the first embodiment. As shown in FIG. 4, the carriage 10 has a width at least equal to or less than the width of the special step 1 so as not to contact the skirt guard panels 11 provided on both sides of the step row.

According to this embodiment, in addition to the effect that the special step 1 can be attached and detached by one person without using the lifting equipment, the bogie 10 is also used for the traveling movement of the normal step 3. There is an effect that can be.

[0009]

As described above, according to the present invention, it is not necessary to set up a lifting facility when attaching and detaching a special step, so that the installation cost can be reduced and the working time can be reduced. . Also, in terms of workability, it is possible to work smoothly without having to change the order of mounting the normal steps and the special steps. Eliminating the lifting of special steps also contributes to disaster prevention in terms of safety.

[Brief description of the drawings]

FIGS. 1A to 1D are schematic diagrams illustrating steps of a special step according to a first embodiment of the present invention.

FIG. 2 is a side view showing a special step with auxiliary wheels used in the present invention.

FIG. 3 is a schematic view showing a method for mounting a special step according to a second embodiment of the present invention.

FIG. 4 is a sectional view of the escalator of FIG. 3;

FIG. 5 is a schematic diagram for explaining a conventional method of mounting a special step.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Special step 2 Special step mounting position 3 Normal step 3a Special step mounting position Upper step normal step 3b Special step mounting position Lower step normal step 4 4 5 Getting on and off 6 columns 7 beams 8 Sliding device 9 Lifting device 10 cart 11 Skirt guard panel 12 Auxiliary wheel 13 Fixing bolt

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yoshio Ogimura 1 Toshiba-cho, Fuchu-shi, Tokyo F-term in Fuchu Works, Toshiba Corporation (reference) 3F321 AA01 BA14 CB37 CD00

Claims (8)

[Claims] 1. An installation of a special step in an escalator having a step sequence in which a plurality of steps are connected endlessly and circulate, and the step sequence includes a normal step and at least one special step for mounting a wheelchair. In the method, a predetermined number of the normal steps are mounted, and then a special step is placed on the normal steps, and an escalator is operated to carry the special steps to a predetermined position and mount the special steps. Mounting method. 2. The method for mounting a special step on an escalator according to claim 1, wherein a predetermined number of the normal steps are mounted, the special step is mounted first, and then the remaining normal steps are mounted. 3. A special step of an escalator having a step sequence in which a plurality of steps are connected endlessly and circulates, and the step sequence includes a normal step and at least one special step for mounting a wheelchair. In the removal method, the special step is removed at a predetermined position and placed on the normal step, and an escalator is operated to carry the special step near the entrance with the special step placed on the normal step. To remove special steps on the escalator. 4. An operation for moving the special step from the entrance to the special step installation position to install the special step, or a step for removing the special step from the special step installation position, placing the special step on the normal step, and moving to the entrance and exit. The method for mounting or removing a special step in an escalator according to claim 1, wherein the step is performed by one person. 5. The escalator according to claim 1, wherein a moving device is mounted on the special step and used for moving to the special step mounting position or moving from the special step mounting position. How to attach or remove special steps in. 6. The method according to claim 5, wherein the moving device is an auxiliary wheel detachably mounted. 7. The method according to claim 6, wherein the auxiliary wheels are detachably attached to both sides of the special step in the width direction. 8. The method for mounting or removing a special step on an escalator according to claim 5, wherein the moving device is a bogie having a width equal to or less than the width of the special step.