JPH08225280A - Escalator device - Google Patents

Abstract

PURPOSE: To simplify the structure and action of a tilt step tread by interlocking a mechanism keeping the tilt step tread horizontal and a mechanism inclining it. CONSTITUTION: Atilt step thread 17 can be inclined except for narrow step treads 18 on both sides in the width direction of a specific stairway and risers 18R continued to them. Step tread support rods 20 protruded or submerged toward an inner wall body 18W are provided on both sides in the width direction of the step tread 17 on the back face side to support the tilt step tread 17 at the same plane as that of the narrow step treads 18 during the normal operation. Tilt keeping arms 24 are interlocked with the step tread support rods 20 extruded by driving apparatuses 21 after the conveyance of a wheelchair is completed and block the surface of a riser 17R with their tips. The step tread support rods 20 can be protruded or submerged on the surface of the riser 17R by the power of the driving apparatuses 21, and the structure and action of the tilt step tread 17 can be simplified.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an escalator device which can be shared by general customers and wheelchair users, and more particularly to an escalator device equipped with steps suitable for mounting a wheelchair.

[0002]

2. Description of the Related Art A conventional wheelchair-mountable escalator device is disclosed in, for example, Japanese Patent Application Laid-Open No. 4-209194 and Japanese Patent Application Laid-Open No. 4-1.
As described in Japanese Patent No. 53196, the movable step plate of the step adjacent to the lower step side of the specific step is raised to the same height as the step plate of the specific step, and the step plate of the step adjacent to the upper step side of the specific step is specified step. The wheelchair mounting surface is secured by inclining to the height of the tread.

[0003]

SUMMARY OF THE INVENTION In the above conventional technique,
In order to incline the step plate of the step adjacent to the upper step side of the specific step, it is composed of a mechanism that keeps the step plate horizontal during normal operation and a mechanism that inclines the step plate during wheelchair transport operation. However, the configuration in which these two functions are provided as separate mechanisms has a problem in that the mechanisms and operations are complicated.

An object of the present invention is to provide an escalator device which simplifies the structure and operation of the inclined footboard.

[0005]

In order to achieve the above-mentioned object, the present invention connects a plurality of specific steps between a plurality of endlessly connected normal steps, and during normal operation, the specific steps are usually A first step having the same function as the step and having a step plate that extends and raises the step plate of the specific step to form a wheelchair mounting surface during wheelchair transport operation, and the raised step plate connected to the front step of the wheelchair mounting surface. In an escalator device configured to be formed with a second step having an inclined step plate which is inclined so that the inclined lower end portion faces the upper step side end, the second step has the A mechanism for maintaining the tread plate horizontal, and a mechanism for maintaining the inclined lower end at the same height as the wheelchair mounting surface formed by the first step adjacent to the lower step side by inclining the tread plate during wheelchair transport operation, Both of these mechanisms are linked to each other. Than it was configured to function.

[0006]

According to the above construction, since the mechanism for keeping the tilted tread horizontal and the mechanism for tilting the same function in conjunction with each other, the structure and operation of the tilted tread can be simplified.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the escalator device according to the present invention will be described below with reference to FIGS.

First, as shown in FIG. 2, the structure of the escalator device according to the present embodiment comprises a plurality of ordinary endlessly connected main frames 2 installed between an upper floor 1U and a lower floor 1D. The steps 3 are movably supported, and the specific steps 4 and 5 are connected to a part of the plurality of normal steps 3. Specific steps 4, 5
In the normal operation, the function is exactly the same as the normal step 3 and is provided for use by general customers. Such a normal step 3
Further, balustrade panels 6 are installed on the left and right of the row of the specific steps 4 and 5 along the movement direction, and a movable handrail 7 that moves in synchronization with the row of steps is guided and supported on the periphery of the balustrade panel 6. The normal step 3 and the specific steps 4 and 5 each have a pair of left and right wheels 8A and 8B at the front and rear portions in the traveling direction, and travel on guide rails 9A and 9B fixed to the main frame 2.

The specific steps 4 and 5 are
It is provided to secure the wheelchair mounting surface,
As shown in FIGS. 1, 3 and 4, the structure of the specific step 4 includes a tread expansion step plate 10. Tread extension tread 10
Is a movable tread 10A, 10B hinged at the upper end of the riser 4R, which is the lower end, and a movable tread 10C hinged at the upper end of the movable tread 10A and pivotally connected. It consists of and. Further, the tread expanded tread 10 is configured so that it can be raised while leaving a narrow tread 11 on both sides in the width direction, and during normal operation, as shown in FIG. 3, the movable treads 10A and 10C are mounted on the movable tread 10B. Folded to overlap. In the folded state,
The surfaces 10S of the movable treads 10A and 10C are configured to be flush with the narrow tread 11.

The movable tread 10B is supported so as to be able to move up and down by a lifting mechanism 12 which is supported by a base 4B (shown in FIGS. 1 and 6) and is composed of, for example, a cross link mechanism, and the movable tread 10A is movable. With the rise of the tread 10B, the unfolding mechanism including the unfolding arm 13, the connecting link 14, and the connecting pin 15 unfolds 180 degrees from the folded state to form a wheelchair mounting surface with the movable tread 10B.

By the way, the lifting mechanism 12 is provided on the base 4 of the step 4.
It is driven by a driving machine 16 supported by B, and the driving machine 16 is supplied with power by a power source (not shown) provided in the main frame body 2 so as to face the stop position of the step 4 at the upper and lower boarding portions. Driven.

On the other hand, the structure of the specific step 5 is provided with an inclined step plate 17 as shown in FIGS. 1, 4 and 5 to 10. The inclined step board 17 is configured to be able to incline with a narrow step board 18 and a riser 18R connected to the narrow step board 18 on both sides in the width direction of the specific step 5. The sloped tread 17 is integrally provided with risers 17R having the same width, and the side of the sloped tread 17 opposite to the riser 17R is inclined via the support shaft 19 to the inner wall body 18W connecting the narrow tread 18 and the riser 18R. Supported as possible.

Further, the inclined tread 17 is provided with tread support rods 20 projecting toward the inner wall 18W on both sides in the tread width direction on the back side thereof. This tread support rod 2
As shown in FIG. 7, 0 supports the inclined tread 17 so as to be flush with the narrow tread 18 during normal operation, and penetrates the guide tool 17f provided on the back surface of the inclined tread 17 to provide the tip 20E. Engages with an engagement hole 18H provided in the inner wall body 18W. Further, the tread support rod 20 is pulled back by, for example, the driving machine 21 having the function of the electromagnetic plunger and the function of the electric motor to release the engagement between the tip 20E and the engagement hole 18H. The drive machine 21 is supported by a support frame 17F provided on the back surface of the inclined step board 17, and its power source is a drive machine 1 of a specific step 4 adjacent to the lower step side via a lead wire 23.
6 is connected to the power supply unit.

By the way, the inclination maintaining arm 24 guides the riser 17R by guiding the guide tool 17G provided on the side of the riser 17R on the rear surface of the inclined step board 17 as shown in FIGS. 6, 11 and 12 during the wheelchair carrying operation. It has such a length that it comes into contact with the base 4B after the tread expansion step plate 10 (10B) of the specific step 4 adjacent to the lower step penetrating therethrough is lifted. The inclination maintaining arm 24 is engaged with the tread support rod 20 by an engagement pin 24H, and in conjunction with the tread support rod 20 pulled back by the driving machine 21, projects from the surface of the riser 17R and abuts on the base 4B. . By this interlocking operation, when the dimension L1 in which the tread supporting rod 20 and the engaging hole 18H are engaged becomes 0,
A dimension L sufficient for the tilt maintaining arm 24 to contact the base 4B
2 can be secured. Also, the tilt maintaining arm 2
After the transfer of the wheelchair, 4 interlocks with the tread support rod 20 pushed out by the driving machine 21 and closes the surface of the riser 17R with its tip 24E.

On the other hand, due to the protrusion of the tread support rod 20,
Although the inclination angle of the inclined tread 17 is regulated, if the tread support rod 20 does not project for some reason, the inclination of the inclined tread 17 cannot be regulated and the riser 17R is not supported.
Will move the lower end of the track over the guide rail 9B further downward. In order to eliminate such an inconvenience, the stopper 26 is provided on the inner wall body 18W so that the inclination of the riser 17R of the sloped tread 17 does not project below the guide rail 9B.
The back side of is engaged.

According to the present embodiment, by engaging the tilt maintaining arm 24 and the tread support rod 20, the power of the driving machine 21 of the tread support rod 20 can be used to project and insert the surface of the riser 17R. Therefore, it is possible to simplify the configuration and the operation of the inclined step board 17, and enhance the reliability of the operation of each other.

[0017]

According to the present invention, the mechanism for maintaining the tilted tread horizontal and the mechanism for tilting the same function in conjunction with each other, so that the structure and operation of the tilted tread can be simplified. You can

[Brief description of drawings]

FIG. 1 is a perspective view of a main part of a step showing an embodiment of an escalator device according to the present invention.

FIG. 2 is a side view showing the entire escalator device to which the steps shown in FIG. 1 are applied.

FIG. 3 is a side view showing a state in a lower boarding / alighting section of the step shown in FIG. 1.

FIG. 4 is a side view showing the operating state of FIG.

5 is a perspective view showing one of the steps shown in FIG. 1. FIG.

6 is a cross-sectional view of the step shown in FIG.

7 is a sectional view taken along the line AA of FIG.

8 is a sectional view taken along the line BB of FIG.

9 is a cross-sectional view taken along the line CC of FIG.

10 is a cross-sectional view taken along the line DD of FIG.

11 is a cross-sectional view taken along the line EE of FIG.

FIG. 12 is a perspective view of a main part of the step shown in FIG. 1 viewed from the back side.

[Explanation of symbols]

3 ... Normal step, 4, 5 ... Specific step, 10 ... Tread expansion step plate, 10A, 10B, 10C ... Movable step plate, 12 ... Ascending mechanism, 17 ... Inclined step plate, 17R ... Riser, 20 ... Step plate support rod, 24 ... Inclined Maintenance arm.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kahei Kojima 1070 Igemo, Hitachinaka City, Ibaraki Prefecture Stock Company Hitachi Ltd. Mito Factory

Claims (2)

[Claims] 1. A plurality of specific steps are connected between a plurality of endlessly connected normal steps, the specific steps function as the normal steps during normal operation, and the step plates of the specific steps during wheelchair transport operation. A first step having a step plate that extends and rises to form a wheelchair-mounting surface, and a slope that is connected to the front stage of the wheelchair-mounting surface and that has an inclined lower end facing the upper end of the raised step plate In an escalator device configured to be formed with a second step having an inclined step plate, the second step is provided with a mechanism for keeping the step plate horizontal during normal operation, and the mechanism is provided during wheelchair transport operation as described above. A mechanism for maintaining the tilted lower end at the same height as the wheelchair mounting surface formed by the first step adjacent to the lower step by inclining the tread plate is provided, and these two mechanisms are configured to function in conjunction with each other. Characterized by Caleta apparatus. 2. The escalator step according to claim 1, wherein both mechanisms of the second step are configured so that either one of the mechanisms functions as the mechanism.