JPH07157255A - Helical type escalator - Google Patents

Abstract

PURPOSE:To markedly increase transport ability by elevator setting space of minimum limit. CONSTITUTION:A device comprises rotary shafts 3, 4 and helical guide rails 10 arranged in shafts 1, 2 set up in a building, upper/lower part horizontal moving mechanisms 11, 12 arranged in upper/lower parts between the shafts 1, 2, plurality of grooves 27 formed in the axial direction of the rotary shafts 3, 4 and a staircase device 19. The staircase device 19 comprises a staircase part 20 formed of circular arc-shaped horizontal member, gear part 21 formed in an internal peripheral surface of the staircase part 20, vertical members 22, 23 provided in both sides of the staircase part 20, rollers 24 provided in a peripheral end part of the staircase part 20 and rollers 25 provided in a lower end part of the vertical members 22, 23. The gear part 21 of the staircase part 20 is meshed with the groove 27, to also make the rollers 24, 25 runnable along the helical guide rail 10, and further the staircase device 19 is moved between the shafts 1, 2 by the horizontal moving mechanisms 11, 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spiral escalator capable of significantly increasing transportation capacity with a minimum elevator installation space.

[0002]

2. Description of the Related Art Since the conventional escalator is a system in which the stairs are linearly arranged between the lower floor and the upper floor, the escalator installation area is limited to the number of people who can be transported. It was necessary to take a wide ratio. In this respect, the elevator can be installed in a small proportion of the number of people that can be transported, but if the car goes up, it cannot get on until it returns, which causes a problem of long waiting time.

The present invention solves the above problems, and an object of the present invention is to provide a spiral escalator capable of significantly increasing the transportation capacity with a minimum elevator installation space.

[0004]

To this end, the spiral escalator according to the present invention comprises a rising shaft 1 and a descending shaft 2 installed in a building, and a rotary shaft 3 arranged in these shafts 1 and 2. 4, a spiral guide rail 10 disposed inside the shafts 1 and 2, the shaft 1,
An upper horizontal movement mechanism 1 arranged at the upper and lower parts between the two
1 and the lower horizontal movement mechanism 12, a plurality of grooves 27 formed in the axial direction of the rotating shafts 3, 4, and a staircase device 19, the staircase device 19 being a staircase portion 20 made of an arc-shaped horizontal member. A gear portion 21 formed on the inner peripheral surface of the staircase portion 20, and vertical members 22 provided on both sides of the staircase portion 20,
23 and a roller 24 provided on the outer peripheral end of the staircase 20.
And the roller 2 provided at the lower ends of the vertical members 22 and 23.
5, and the gear portion 2 of the stair portion 20 in the groove 27.
1 is meshed with each other, the rollers 24 and 25 are allowed to travel along the spiral guide rail 10, and the horizontal moving mechanisms 11 and 12 are used to move the stairway device 19 between the shafts 1 and 2. It is a feature.

The horizontal moving mechanisms 11 and 12 have a driving pulley 13, a driven pulley 14, and both pulleys 13 and 1.
4, a plurality of arms 16 fixed to the chain 15, guide rails 17 arranged on the inner peripheral side of the chain 15 for guiding the traveling of the arms 16, and a drive pulley 13. And a drive motor 18 for rotating the. Here, the number added to the above configuration is
The present invention is provided for comparison with the drawings to facilitate understanding of the present invention, and does not limit the configuration of the present invention.

[0006]

In the present invention, for example, as shown in FIG.
When the rotating shafts 3 and 4 rotate, the gear portion 21 of the step portion 20 meshes with the groove 27 of the rotating shafts 3 and 4, so that the step portion 2
At the same time that 0 rotates, the rollers 24 and 25 travel along the spiral guide rail 10, so that the staircase device 19 moves up or down.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a spiral escalator 1 according to the present invention.
An example is shown, Drawing (A) is a conceptual diagram of a drive system, and Drawing (B) is a perspective view of a stairway device connected to a rotating shaft.

In FIG. 1 (A), a rising shaft 1 and a descending shaft 2 are installed in a building, and rotary shafts 3 and 4 are arranged in the shafts 1 and 2. The rotary shafts 3 and 4 are connected to drive motors 7 and 8 via drive gears 5 and 6, respectively, and rotate as indicated by arrows in the figure. The shafts 1 and 2 are provided with entrances / exits 9 of each floor, and inside the shafts 1 and 2, a spiral guide rail 10 is arranged.

The upper and lower parts between the shafts 1 and 2 are
An upper horizontal movement mechanism 11 and a lower horizontal movement mechanism 12 are arranged under the floor of the building. These horizontal movement mechanisms 11 and 12
Is a drive pulley 13, a driven pulley 14, and both pulleys 1
A chain 15 wound between 3 and 14; a plurality of arms 16 fixed to the chain 15; a guide rail 17 arranged on the inner peripheral side of the chain 15 for guiding the traveling of the arm 16; It is composed of a drive motor 18 for rotating the pulley 13.

In FIG. 1 (B), a staircase device 19 is provided with staircase portions 20 formed of arc-shaped horizontal members, gear portions 21 formed on the inner peripheral surface of the staircase portions 20, and both sides of the staircase portions 20. The vertical members 22 and 23, the rollers 24 provided at the outer peripheral ends of the stairs 20, and the rollers 25 provided at the lower ends of the vertical members 22 and 23. Vertical member 2
A large number of vertical grooves 26 are formed in the reference numerals 2 and 23 so as to engage with the vertical members of the adjacent stairway device 19. A plurality of grooves 27 are formed in the rotating shafts 3 and 4 in the axial direction, and the gear portions 21 of the step portion 20 are configured to mesh with the grooves 27. The rollers 24 and 25 are
It is configured to be able to travel along the spiral guide rail 10 of FIG.

2A and 2B are views for explaining the ascending / descending state of the staircase device 19. FIG. 2A is a conceptual view and FIG. 2B is a front view. When the rotary shafts 3 and 4 rotate, the groove 2 of the rotary shafts 3 and 4
Since the gear portion 21 of the step portion 20 meshes with the step portion 7, the step portion 20 rotates, and at the same time, the rollers 24 and 25 travel along the spiral guide rail 10, so that the step device 19 moves up or down.

3A and 3B are views for explaining the moving states of the horizontal moving mechanisms 11 and 12. FIG. 3A is a plan view and FIG. 3B is a partially enlarged perspective view. The same components as those in FIG. 1A are designated by the same reference numerals and the description thereof will be omitted. When the drive pulley 13 rotates, the arm 1 fixed to the chain 15
6 moves, scoops up the staircase device 19 in the descending shaft 2, conveys the staircase device 19 to the left in the figure, and when entering the ascending shaft 1, the staircase device 19 separates from the arm 16 and spirals. It is placed on the guide rail 10. In addition,
A roller 28 for moving along the guide rail 17 is provided on the lower surface of the arm 16.

[0013]

As is apparent from the above description, according to the present invention, the ascending shaft and the descending shaft installed in the building, the rotary shaft arranged in these shafts, and the inside of the shaft. A spiral guide rail, an upper horizontal moving mechanism and a lower horizontal moving mechanism arranged in an upper portion and a lower portion between the shafts, and a plurality of grooves formed in an axial direction of the rotating shaft, A stairway device, wherein the stairway device includes a stairway portion formed of an arc-shaped horizontal member, a gear portion formed on an inner peripheral surface of the stairway portion, and vertical members provided on both sides of the stairway portion, A roller provided at the outer peripheral end of the staircase and a roller provided at the lower end of the vertical member, the gear portion of the staircase meshes with the groove, and the roller runs along the spiral guide rail. Run Is the ability further, a step apparatus for which is adapted to be moved between the shaft, it is possible to greatly increase the transport capacity with minimal elevator installation space by the horizontal moving mechanism.

[Brief description of drawings]

1 shows an embodiment of a spiral escalator according to the present invention, FIG. 1 (A) is a conceptual diagram of a drive system, and FIG. 1 (B) is a perspective view of a stairway device connected to a rotating shaft.

2A and 2B are diagrams for explaining the ascending / descending state of the staircase device, FIG. 2A is a conceptual diagram, and FIG. 2B is a front view.

3A and 3B are diagrams for explaining a moving state of a horizontal moving mechanism, in which FIG. 3A is a plan view and FIG. 3B is a partially enlarged perspective view.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Ascending shaft, 2 ... Descent shaft, 3, 4 ... Rotating shafts 5, 6 ... Driving gears, 7, 8 ... Driving motor, 9 ... Entrance / exit,
10 ... Guide rail 11 ... Upper horizontal movement mechanism, 12 ... Lower horizontal movement mechanism, 1
3 ... drive pulley 14 ... driven pulley, 15 ... chain, 16 ... arm, 1
7 ... Guide rail 18 ... Drive motor, 19 ... Stairway device, 20 ... Stairway part, 2
1 ... Gear part 22, 23 ... Vertical member, 24, 25 ... Roller, 26 ... Vertical groove, 27 ... Groove 28 ... Roller

Claims (2)

[Claims] 1. A rising shaft and a descending shaft installed in a building, a rotary shaft arranged in these shafts, a spiral guide rail arranged inside the shaft, and the shaft. An upper horizontal moving mechanism and a lower horizontal moving mechanism arranged in an upper portion and a lower portion between them, a plurality of grooves formed in the axial direction of the rotating shaft, and a stairway device, wherein the stairway device has an arc shape. A step portion formed of a horizontal member, a gear portion formed on an inner peripheral surface of the step portion, vertical members provided on both sides of the step portion, rollers provided at outer peripheral ends of the step portion, the vertical portion A roller provided at the lower end of the member, the gear portion of the step portion meshes with the groove, each of the rollers is allowed to run along the spiral guide rail, and further, by the horizontal movement mechanism. Floor Spiral escalator, characterized in that to move the device between the shaft. 2. The horizontal movement mechanism comprises a drive pulley, a driven pulley, a chain wound between the pulleys, a plurality of arms fixed to the chain, and a chain for guiding the traveling of the arms. The spiral escalator according to claim 1, comprising a guide rail disposed on the inner peripheral side of the and a drive motor for rotating the drive pulley.