JPH0714791B2 - Escalator for transporting wheelchairs, etc. - Google Patents

Description

TECHNICAL FIELD The present invention relates to an escalator suitable for carrying a wheelchair or the like.

[Background of the Invention]

In the present age, which is aimed at improving the welfare environment, it is desired to adopt specially devised transportation means and building structures so that persons with disabilities who use wheelchairs can act relatively freely.

Recently, with the recognition that the escalator is an indispensable means of transportation inside the building, it is expected that an escalator that can be easily used by people with physical disabilities and the elderly with limited mobility will be available.

However, at present, the installation angle and driving speed, which have a great influence on the psychology of the escalator user, do not cause any inconvenience to the general public, but the physically handicapped elderly and the disabled can feel the agility when getting on and off. Because of the lack, it is not possible to use the escalator, and for these people, it has been proposed to reduce the installation angle to increase the sense of stability when riding and to slow down the transportation speed to facilitate getting on and off. There is. In addition, for people who have difficulty walking and use wheelchairs, there is a demand for an escalator that gives special consideration so that they can be used while they are in a wheelchair.

Moreover, at department stores, it was not possible to ride with shopping carts at ease. This is because wheelchairs and carts have wheels and generally do not ride on treads with steps in a stable manner.

Conventionally, there are some that are generally called electric roads and there are no steps on the tread surface, but the drawback is that the entire tread surface is inclined like a slide and the wheelchair is not stable, and the entire equipment has a long stroke, resulting in space efficiency. There was a flaw that made it worse.

As a means for solving these drawbacks, Japanese Examined Patent Publication No. 56-4155
It has been proposed to provide a specific step in the normal escalator step group like No. 5, stop this specific step, restart the wheelchair after it gets on, and carry it to the nearest floor. . An example of using a large step is shown as an example of this specific step.

However, when a large step is arranged, there is a problem that a large step is generated between the step and the adjacent step.

JP-A-59-172376 has been proposed as a means for solving this problem. In this method, between the steps for general use, a part of the steps is provided with a specific step that can move only in the vertical direction relative to the step, and a step plate that can lift the specific step is provided. Through the push-up mechanism, the operation rail of the push-up mechanism provided separately from the circulation path of the general-use step is used to push up to the same height as the step-board of the adjacent general-purpose step, thereby expanding the step board area and increasing the wheelchair. It is intended to secure a space for loading etc.

When two adjacent steps are identified and considered, a general escalator keeps the tread surfaces of adjacent steps almost at the same height in the vicinity of the entrance and exit.
The size of the tread surface of one step is twice as large as that of one step. However, when these steps move in an inclined manner, the step surface height of each step changes relatively,
Simultaneously with this change in the height direction, the rear end (opposite side of the front) of the step located on the front side (the side above the slope in the inclined portion) is relatively moved to the step side located on the rear side. Come out. Therefore, in the inclined portion, the horizontal distance between two adjacent steps is shortened by the above-mentioned protrusion.

According to the above-mentioned publicly known example, a part of the tread surface moves only in the vertical direction relative to the step, so that the rising tread is set to the above-mentioned amount of protrusion so that the two steps do not interfere with each other. It is made smaller by a corresponding amount.

Further, the loading space of a wheelchair or the like, which is composed of the step where a part of the step plate rises and the step adjacent to the front of the step, is the intermediate inclined portion of the step adjacent to the front of the two steps. The width of the effective plane for loading a wheelchair or the like, which is obtained by keeping the tread surfaces of the two steps at the same height, is twice as wide as the tread surface of one step by The area corresponding to twice the amount of projection described above is subtracted.

Further, according to the above-mentioned known example, the distance between the treads of the two steps for holding the loading space of the wheelchair or the like changes between the entrance / exit and the intermediate inclined part, and becomes shorter at the intermediate inclined part. There is a problem in terms of sex.

Further, according to the above-mentioned known example, in order to convert the existing escalator into a transportable escalator such as a wheelchair, the rail for activating the pushing mechanism is at least the upper slope of the escalator on the outward path side intermediate inclined portion. There is a problem in that it is necessary to lay it in its entirety, this modification is difficult, and its structure is extremely complicated.

[Object of the Invention]

The object of the present invention is to solve the above-mentioned problems of the prior art,
It is to provide an escalator for transporting a wheelchair or the like, which can secure a wider and safer loading space, by making a very simple modification not only to a newly manufactured one but also to an existing one.

[Outline of Invention]

In order to achieve this object, the present invention comprises a plurality of steps connected endlessly, and at least one step of these steps is raised with respect to a reference frame part and this reference frame part. An escalator for transporting a wheelchair or the like, which is composed of a tread part forming a wheelchair mounting surface, is provided with means for connecting the ascending tread part so as to move integrally with the tread of the step adjacent to the upper step, and the ascending By providing means for horizontally maintaining the ascending tread plate portion across the tread part and the reference frame part, the tread surface of the ascending tread part is always horizontal with the tread surface of the step connected to the upper step. Keeping the above-mentioned stepping plate part moving so as to follow the amount of protrusion of the step adjacent to the upper step in the intermediate inclined part, and if a wheelchair etc. is mounted, its load should be adjacent to the upper step. Footstep well, characterized in that as well share the footstep consisting treadle and the reference framework portion where the rise.

Example of Invention

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

In FIG. 1, 1 is a guide rail, 2 is a step for general passengers, and 3A and 3B are two adjacent specific steps for carrying a wheelchair or the like. Among the specific steps, one step 3A is divided into a reference frame portion 4 and a step plate portion 5, and these are connected by a cross link mechanism 6. As shown in FIG. 2, the cross link mechanism 6 is composed of two levers 8 and 9 that are rotatably connected to each other by a pin 7 at a central portion thereof. A guide roller 14 which is rotatably engaged with a lower portion and a rear end of which is supported by a pin 11 and a guide groove 17 which is provided in an upper portion of the reference skeleton portion 4 are rotatable and movable back and forth above the reference skeleton portion 4. Both ends of the other lever 9 which are engaged with each other are guided by guide rollers 15 and 16 supported by pins 12 and 13 and guide grooves 18 and 19 provided on the upper part of the reference frame part 4 and the lower part of the tread part 5, respectively. Similarly, it is engaged so as to be rotatable and movable back and forth. Therefore,
The tread plate portion 5 is movable by the cross link mechanism 6 in the vertical direction and the front-rear direction while maintaining the horizontal state with respect to the reference frame portion 4. Further, a locking metal fitting 30 is provided on the upper portion of the reference skeleton portion 4, and a locking pin 31 is provided on the lower portion of the tread plate portion 5, respectively. The step board part 5 is fixed integrally and is used as a step for general passengers. Further, as shown in FIGS. 3 and 4, a storage hole 20 and a guide groove 21 that extend horizontally in the front-rear direction are formed in the lower portion of the step plate portion 5 of one step 3A, and these are provided at their tips. The engaging member 22 having the engaging recess 23 and the operating rod 24 thereof are inserted, and the screw portion of the operating rod 24 is inserted.
A fixed nut 26 is screwed onto the 25. On the other step 3B, an engaging hole 27 that extends horizontally in the front-rear direction is formed at a position corresponding to the storage hole 20, and a screw hole 28 that extends from the side to the engaging hole 27 is formed. The fixing bolt 29 is screwed into the screw hole 28. Two or more sets of the above-mentioned cross link mechanism and the engaging portions between the steps are arranged side by side in the width direction of the escalator, that is, in the direction perpendicular to the paper surface.

Now, near the entrance of the escalator, when the tread surface of the two specific steps 3A and 3B are at the same height, the locking metal fitting 30 is rotated to disengage the locking pin, and
As shown in FIG. 4 and FIG. 4, by operating the operating rod 24, the engaging element 22 is moved in the front-rear direction and inserted into the engaging hole 27, and the fixing bolt 29 is rotated to engage the tip end thereof with the recess 23. Then, the fixed nut 26 is further rotated and pressure-bonded to the lower side surface of the tread plate portion 5, so that the two specific steps 3A and 3B are connected with each tread surface held at the same height. When the escalator is operated in this state, as shown in FIG. 1, there is a step between the reference frame part 4 of one step 3A and the other step 3B in the inclined part, but the step plate part of one step 3A is generated. 5 follows the other step 3B at the same height as the step plate surface of the other step 3B, and while keeping the horizontal state. At this time, the step plate portion 5 of the one step 3A is displaced rearward (the side of the slope portion below the slope) by the same amount as the protrusion amount L of the other step 3B.

In this way, the step board portion 5 of one step 3A is
Since it can follow the vertical and longitudinal directions of the 3B tread part, there is no change in the step interval from the entrance to the intermediate inclined part, and a lower, safe loading space for wheelchairs etc. must be secured. You can When a wheelchair or the like is mounted, the load is applied to the tread surfaces of both steps 3A and 3B, but at this time, not only the other step 3B to which the tread is fixed, but also the one step 3A. Since the load applied to the surface can be shared via the cross link mechanism 6,
The load of the wheelchair or the like can be surely distributed in a well-balanced manner by the treads, and the wheelchair or the like can be stably transported.

〔The invention's effect〕

As described above, according to the present invention, the ascending step plate portion of the step made up of the reference frame portion and the step plate portion forming the wheelchair mounting surface is integrally formed by following the step plate of the step adjacent to the upper step. By providing a means for movably connecting,
The rising tread surface of the rising tread portion is always kept horizontal with the step tread surface of the step adjacent to the upper step, and the rising tread section follows and follows the protrusion amount of the step adjacent to the upper step in the intermediate inclined portion. Therefore, it is possible to secure a wider and safer mounting space for wheelchairs and the like without changing the spacing between the treads, and, with an extremely simple modification, an escalator that can transport an existing general-purpose escalator to a wheelchair, etc. Can be modified to.

Further, when a wheelchair or the like is mounted, by providing means for horizontally maintaining the ascending tread plate portion straddling the ascending tread plate part and the reference frame part, the load of the wheelchair is mounted on the tread plate of the step adjacent to the upper step. Not only the surface but also the tread surface of the ascending tread portion is shared via the horizontal maintaining means, so that the load of the wheelchair, etc. is surely distributed in a well-balanced and reliable manner by the tread surface to stabilize the wheelchair, etc. Can be transported.

[Brief description of drawings]

FIG. 1 is an overall side view of an escalator according to an embodiment of the present invention, FIG. 2 is a detailed side view showing a cross link mechanism portion of a specific step, and FIGS. 3 and 4 are engagements between specific steps. FIG. 3 is a detailed cross-sectional plan view and a detailed side view showing a part. 2 …… General passenger steps, 3A, 3B …… Specific steps, 4 ……
Reference frame part, 5 …… Tread plate part, 6 …… Cross link mechanism, 22
...... Engagement element, 27 ...... Engagement hole.

Claims (2)

[Claims] 1. A plurality of steps connected endlessly,
In an escalator for transporting a wheelchair or the like, which comprises at least one step of these steps and a reference frame portion and a step plate portion which is raised with respect to the reference frame portion to form a wheelchair mounting surface, the rising step plate portion. Means for connecting the stepping plate of the step adjacent to the upper step so as to move integrally, and means for maintaining the rising stepping plate part horizontally across the rising tread part and the reference frame part Escalator for transporting wheelchairs, etc. 2. An escalator for carrying a wheelchair or the like according to claim 1, wherein the means for maintaining the horizontal position is a cross link mechanism.