JPH0632575A - Twin escalator - Google Patents

Abstract

PURPOSE: To employ small output motors as driving motors of ascending and descending escalators which are installed so as to cross each other by a method wherein pairs of interlocking sprockets are engaged in the respective chains of both the escalators and the pairs of sprockets are linked with each other with linking shafts. CONSTITUTION: Ascending and descending escalators 1 and 2 are installed between two vertically adjacent floors of a building such as a department store, etc., so as to cross each other. The respective escalators 1 and 2 are driven by the rotations of sprockets 6a, 6b, 11a and 11b driven by motors 16 and 17 installed on the floor 5. At the crossing position of both the escalators 1 and 2, pairs of sprockets (18 and 19) and (20 and 21) are engaged in respective chains (7 and 8) and (14 and 15). The respective pairs of sprockets (18 and 19) and (20 and 21) are fixed to respective interlocking shafts 22 and 29 with predetermined distances therebetween and both the linking shafts 22 and 29 are jointed with flanges for interlock.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a twin escalator in which two escalator units for climbing and descending units are arranged so as to intersect with each other.

[0002]

2. Description of the Related Art In a building such as a department store, in order to transfer a person from one floor to the next floor, as shown in FIG. 5, an ascending escalator 101 and an ascending escalator 102 are used.
Are arranged so as to cross each other. In the figure, the escalator 101 for climbing is on the first floor 103 and the next floor 10
4 has sprockets 105 and 106, and a chain 108 to which a plurality of steps 107 are continuously attached is hung on the sprockets 105 and 106. The descending escalator 102 also has sprockets 109 and 110, a chain 111, and a step 112. Ascending and descending escalators 101, 102 sprockets 106, 10
Reference numeral 9 designates motors 113 and 114 arranged adjacent to the motors.
Is driven to rotate and transfers passengers on steps 107 and 112.

[0003]

However, in such a conventional twin escalator, the ascending escalator 101 and the descending escalator 102 are provided.
Are driven by motors 113 and 114, respectively, and the escalator 101 for climbing and descending
In step 102, the motors 113, 114 are loaded using the load (passengers) on the respective steps 107, 112.
Since there was no idea to reduce the output and power consumption of the vehicle, there was a problem that the cost for transporting passengers as a whole was high. Further, since there was no idea that the ascending motor 113 and the descending motor 114 mutually utilize their driving powers to reduce their respective outputs and power consumption, the cost becomes high in this respect as well. Was there.

Utilizing the payload on the ascending and descending steps of the present invention, the output and power consumption of the ascending and descending motors are reduced, and the ascending and descending motors are combined. It is an object of the present invention to provide a twin escalator in which driving power is mutually utilized to reduce output.

[0005]

In order to achieve such an object, according to the present invention, a pair of sprockets respectively arranged on one floor and a next floor, and a pair of sprockets Two climbing and descending escalators, which have a chain that is hung on a sprocket and has a large number of steps attached continuously, are arranged so as to intersect, and a chain of climbing escalators and a chain of descending escalators are arranged. And a pair of interlocking sprockets are engaged with each other, and the pair of interlocking sprockets are connected by a connecting shaft.

[0006]

[Operation] Since the connecting shaft is installed between the ascending chain and the descending chain via the interlocking sprocket, the rotation of the ascending chain is performed through the descending chain. , And at the same time, the rotation of the descending chain is assisted by the ascending motor via the ascending chain. Further, the ascending escalator and the descending escalator can use the load on the step for descending (passenger) and the load on the step for climbing, respectively.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. 1 to 4 are views showing an embodiment of a twin escalator according to the present invention.

In FIGS. 1 and 2, reference numerals 1 and 2 denote escalators for climbing and descending, which are erected between one floor and the next floor of a building such as a department store. 2 are arranged in a crossed manner. The ascending escalator 1 has a pair of sprockets 4a and 4b arranged on one floor 3 and a pair of sprockets 6a and 6b arranged on the next floor 5. Chain 7, between sprockets 4a, 4b, 6a, 6b,
8 are hung in parallel, and steps 9 are continuously attached to the chains 7 and 8 in a beaded manner. In addition,
A roller 10 (shown in FIG. 3) is attached to the chains 7 and 8, and the roller 10 is engaged with a loop-shaped guide rail (not shown) arranged between the floors 3 and 5.

The escalator 2 for getting off is also on the floors 5, 3
Sprocket 11a, 11b, 12a, 1 arranged in
2b and sprockets 11a, 11b, 12a, 12b
And chains 14 and 15 which are hung parallel to each other and to which a step 13 is attached. The chains 14 and 15 are formed to intersect with the chains 7 and 8. The escalators 1 and 2 for climbing and descending are driven by motors 16 and 17 installed on the floor 5 to sprockets 6a and 6b,
It is driven by rotating 11a and 11b respectively.

As shown in FIGS. 3 and 4, a pair of interlocking sprockets 18, 19 and 20, 21 are respectively provided at the intersections of the ascending and descending escalators 1, 2 with chains 7, 8 and It is attached to the chains 14 and 15. Sprocket 1 attached to chains 7 and 8
8 and 19 are fixed to the interlocking shaft 22 with a predetermined distance therebetween, and the interlocking shaft 22 is rotatably supported by bearings 23 and 24. The escalator 1 for climbing is provided with trusses 25 and 26 forming the outer frame,
Shaped steels 27 and 28 having a substantially U-shaped cross section are welded inside the trusses 25 and 26, and the bearings 23 and 24 are fixed to the shaped steels 27 and 28 by bolts.

Next, the sprockets 20 and 21 are also connected to the connecting shaft 2.
9, the connecting shaft 29 is supported / fixed to the trusses 34, 35 via the bearings 30, 31, and the shaped steels 32, 33. The connecting shaft 22 and the connecting shaft 29 are located on the same axis, and flange portions 36 and 37 are provided at the joining points of the connecting shafts 22 and 29, respectively.
The connecting shafts 22 and 29 are integrated by connecting 6 and 37 with bolts and nuts.

The escalator 1 for climbing is a motor 16
When driven by, the chains 7 and 8 rotate (circulate) in the counterclockwise direction in FIG. 1 to transfer the passengers on the step 9 from the floor 3 to the floor 5. At this time, the ascending escalator 2 is also driven by the motor 17, and the chains 14 and 15 rotate (circulate) counterclockwise in FIG. 1 to move the passengers on the step 13 from the floor 5 to the floor 3. And transfer.

Here, the ascending chains 7 and 8 and the descending chains 14 and 15 also rotate counterclockwise, but a sprocket 18 is provided between the chains 7 and 8 and the chains 14 and 15. Since the connecting shafts 22 and 29 are provided via the shafts 19, 19, 21 and 21, the rotation of the ascending chains 7 and 8 is assisted by the descending motor 17 via the descending chains 14 and 15. At the same time, the rotation of the descending chains 14 and 15 is assisted by the ascending motor 16 via the ascending chains 7 and 8. For this reason, the outputs of the motors 16 and 17 are independent of the respective chains 7, 8 and 1
This is about half of the output when rotating 4,15.

By the way, if the number of passengers riding on the step 9 of the escalator 1 for ascending from the floor 3 and the number of passengers riding on the step 13 of the escalator 2 for descending from the floor 5 are the same, the chain 7, Since 8 and the chains 14 and 15 are interlocked by the connecting shafts 22 and 29 via the sprockets 18, 19 and 20, 21, the loads applied to the respective escalator 1 and 2 are balanced. For this reason, the climbing escalator 1 and the descending escalator 2 are respectively step 13 for descending.
The upper load (passenger) and the load on the climbing step 9 can be used, and the outputs of the motors 16 and 17 need only be the mechanical loss, resulting in significantly reduced power consumption. Become.

[0015]

As described above, according to the present invention, a pair of interlocking sprockets is attached to each chain of the ascending escalator and the descending escalator which are arranged so as to intersect with each other. Since the pair of interlocking sprockets are connected by the connecting shaft, the ascending escalator and the descending escalator can use the load on the descending step and the load on the ascending step, respectively. The output of the ascending and descending motors can be greatly reduced. Further, the output of the ascending and descending motors is about half of the output when rotating the ascending chain and the descending chain independently.

[Brief description of drawings]

FIG. 1 is a schematic front view showing an embodiment of a twin escalator according to the present invention.

FIG. 2 Same as above

FIG. 3 is a sectional view of a portion indicated by an arrow A in FIG.

FIG. 4 is a perspective view of a portion indicated by an arrow A in FIG.

FIG. 5 is a schematic front view of a conventional twin escalator.

[Explanation of symbols]

 1 ... Escalator for climbing 2 ... Escalator for descending 4a, 4b, 6a, 6b ... A pair of sprockets 3, 5 ... Floor 9,13 ... Steps 11a, 11b, 12a, 12b ... A pair of sprockets 18, 19, 20, 21 ... A pair of sprockets for interlocking 22, 29 ... Connecting shaft

Claims (1)

[Claims] 1. A climbing rope having a pair of sprockets respectively arranged on one floor and a next floor, and a chain hung on the pair of sprockets and having a large number of steps attached in succession. Arrange so that the two descending escalators cross each other, and attach a pair of interlocking sprockets to each of the ascending escalator chain and the descending escalator chain. A twin escalator characterized by connecting sprockets with a connecting shaft.