JPH09315735A - Circulating elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a main rope from swinging. SOLUTION: This circulating elevator comprises a circulating loop formed out of: two parallel main ropes 5A-7B, 11A-13B which are wound around a driving wheel and a defection wheel for a loop having a rising part, a lowering part and upper and lower horizontal parts. and cars 8-10, 14-16 rotatably-fitted onto a connecting beam which is bridged between the two main ropes for connection. The cars 8-10, 14-16 are adapted to circulate in one direction by fitting a driving source which the driving wheel drives independently for each circulating loop, is provided with a main rope swing stopping mechanism 38 fitted from the outside onto the two main ropes 5A-7B, 11A-13B respectively. It is thus possible to prevent the main rope from swinging caused by swinging of a building or the like.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to two parallel main ropes which are wound around a driving wheel and a deflecting wheel to form a loop having an ascending portion, a descending portion and upper and lower horizontal portions, and these two main ropes. The present invention relates to a circulation type elevator in which a circulation loop is configured by a riding basket rotatably attached to a connecting beam connected across the main ropes.

[0002]

2. Description of the Related Art FIG. 4 is a diagram showing an outline of the structure of a circulation type elevator. Generally, elevators that are operated in buildings are driven by a rope type that winds or unwinds a rope that suspends a riding basket around a drum to elevate the riding basket, or by using a counterweight and a rope and hoisting sheave. There is a traction system that is driven by the frictional force between them. In contrast to such a conventional elevator, a plurality of riding baskets 41 to 44 are installed in an operation path forming one loop by vertically connecting an up operation path and a down operation path as shown in FIG. Several circulating elevators configured to operate have been proposed. For example, Japanese Patent Laid-Open No. 4-182292 proposes a circulation type elevator in which a plurality of riding baskets are guided and circulated on an endless rail. On the other hand, Japanese Patent Application No. 6
No. 167764 proposes a circulation type elevator in which a riding car is continuously circulated by a main rope and a plurality of circulating riding cars can be independently driven. this is,
Two parallel main ropes that are wound around a driving wheel and a deflecting wheel to form a loop having an ascending portion, a descending portion, and upper and lower horizontal portions, and are connected across the two main ropes. A circulating loop is formed by a riding basket rotatably attached to the connecting beam, and a plurality of circulating loops are formed to coaxially support the drive wheel and the deflecting wheel at each position. And
A drive source for independently driving the drive wheels is provided for each circulation loop to circulate the riding basket in one direction, and the connecting beam is mainly located at a position away from the outer edge of the drive wheels and the deflector wheels. It is connected to the rope. As described above, the circulation type elevator is significantly different from the conventional type elevator in that a plurality of riding baskets operate in one loop, and can obtain a large transportation capacity with a small lifting area.

[0003]

However, as described above, two parallel main ropes are wound around the driving wheel and the deflecting wheel to form a loop having an ascending portion, a descending portion, and upper and lower horizontal portions. In a circulation type elevator in which a circulation loop is composed of a riding basket rotatably attached to a connecting beam connected across these two main ropes, especially when the operation path becomes long, the rope of the main rope is Swinging becomes a problem. The sway of the rope of the main rope is caused by, for example, the shaking of the building when an earthquake occurs, but when the sway is large, the rope of the main rope contacts the inside of the operation route and causes damage, The part where the rope of the main rope is wrapped around the drive wheel and the deflector wheel is misaligned, which causes trouble to the operation itself.

[0004]

SUMMARY OF THE INVENTION The present invention is to solve the above problems and to prevent the rope of the main rope from swinging.

To this end, the present invention is directed to two parallel main ropes wound around a drive wheel and a deflector wheel to form a loop having an ascending portion, a descending portion, and upper and lower horizontal portions, and these two main ropes. A circulating loop is formed by a riding basket rotatably attached to a connecting beam connected across the ropes, and a driving source for independently driving the driving wheels is provided for each circulating loop. In the circulation type elevator configured to circulate the basket in one direction, a main rope steadying mechanism for preventing the two main ropes from swinging from the outside is provided.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing an embodiment of a circulation type elevator according to the present invention, FIG. 2 is a partial sectional view of FIG. 1, and FIG.
FIG. 7 is a diagram showing an embodiment of a steady rest mechanism. In the figure, 1
Is a hoistway, 2 is a hoistway, 3 and 4 are guide rails,
5A to 7B and 11A to 13B are main ropes, 8 to 10 and 14 to
16 is a riding basket, 17A to 19B, 25A to 27B are drive wheels, 20A to 22B, 28A to 33B are deflector wheels, 2
3, 24, 31, and 32 are baffle ring groups, 34 is a coupling tool, 3
Reference numeral 5 is a connecting beam, 36 is a guide roller, and 38 is a steady rest mechanism.

In FIG. 1, a pair of ascending guide rails 3 are provided on the ascending / descending hoistway 1, and a pair of descending guide rails 4 are provided at the descending hoistway 2, respectively. As shown in FIG. 2 (B), main ropes 5A to 7B, which form three inner loop groups, respectively ride on the inner side of the gap and form a pair in the direction of the cage opening to form an endless main rope loop. Riding the carts 8 on the ropes 5A and 5B, and the main ropes 6A and 6B
Is connected to the main car 7 and the main ropes 7A and 7B are connected to the main car 10 for driving. Similarly, on the outer sides of the guide rails 3 and 4, the main ropes 11A to 13B constituting the three inner loop groups are respectively mounted on the outer side of the guide rails 3 and 4 in pairs in the car opening direction, and endlessly formed. A rope loop is formed, and a carriage 14 is mounted on the main ropes 11A and 11B, and the main rope 12
The riding basket 15 is connected to A and 12B, and the riding basket 16 is connected to the main ropes 13A and 13B, respectively.

The main ropes 5A-7B of the rail inner loop group are
Drive wheel 17 for the rail inner loop group arranged coaxially
A-19B and baffle wheels 20A-22B form a pair, and are driven by baffle wheel groups 23, 24 arranged at the lower portions of the hoistways 1, 2. Similarly, in the main ropes 11A to 13B of the rail outer side loop group, the drive wheels 25A to 27B for the rail outer side loop group and the deflecting wheels 28A to 30B arranged coaxially form a pair, and the hoistway 1 2 is driven by the baffle wheel groups 31 and 32 arranged in the lower part.

Further, each of the drive wheels 17A to 19B and 25A to 27B of the outer loop group in the rail has an independent drive source (not shown) to achieve high efficiency of operation of each circulation loop. . The pair of drive wheels of each loop, for example, the drive wheels 25A and 25B may be synchronously driven by one drive source. In each pair of main ropes, the connecting members 33A, 33 are located at positions avoiding engagement with the drive wheels and the deflecting wheels, that is, away from the peripheral edges of the drive wheels and the deflecting wheels.
A connecting beam 34 having both ends rotatably supported is connected via B, and one end of a free beam 35 having both ends rotatable is connected to the connecting beam 34. Also,
At the other end of the free beam 35, there are ride carts 8 to 1, respectively.
0, 14 to 16 are connected, and as a result, each riding basket is rotatably connected to the pair of main ropes and moves with the circulation of the main ropes.

In such a structure, since the connecting members 33A and 33B are located away from the pair of main ropes, the connecting beam 34 can get over the drive wheels and the deflecting wheels without interfering with the drive wheels and the deflecting wheels. , The riding basket can be moved horizontally away from the hoistways 1 and 2 without being separated from the main rope. Further, since the suspension core position of the riding basket and the circulation position core of the main rope are deviated, the subject tries to be displaced by a lateral load, which makes the traveling of the riding basket unstable. Therefore, in order for the main ropes to stably suspend the basket, the guide rollers 36 are provided at the portions of the connecting beams 34 opposite to the guide rails 3 and 4, and the guide rails 3 and 4 are provided.
The die roller 36 is brought into contact with each other to bear the lateral load acting on the main ropes so that the displacement does not occur. Also,
A dedicated rail for preventing displacement may be provided to receive the lateral load borne by the guide roller 36. When the riding basket passes through the upper and lower horizontal parts of the loop formed by the main rope, the guide rails 37A to 38B that horizontally support the weight of the riding basket are installed horizontally because the entire weight of the riding basket acts on the main rope. Then, by rolling the support roller 39 provided on the connecting beam 34 on the guide tracks 37A to 38B, unnecessary tension is prevented from acting on the main ropes.

The drive wheels 17A to 19B and the deflecting wheels 20A to 22 for the rail inner loop group which are coaxially supported.
B and drive wheels 25A to 27B for the rail outer loop group,
By increasing the outer diameter of each of the baffle wheels 28A to 30B from the inner side to the outer side, the connecting beam 34 can be prevented from interfering with the drive wheel and the baffle wheel. The main rope is
It may be a wire rope or a chain.

In the circulation type elevator having the above-mentioned structure, in order to prevent the main ropes composed of wire ropes and chains from swaying due to factors such as swaying of the building due to the long running path, the position where the restraint is particularly required. 3, a steady rest mechanism 38 is provided as shown in FIG. In a circulation type elevator, a connecting beam is connected across a pair of parallel main ropes forming a loop, and a riding basket is rotatably attached. In other words, the main ropes form a loop on both sides of the riding basket and on the left and right of the operating route, and the riding basket moves up and down between them. Therefore, even during the operation of the riding basket, the shake of the main rope can be suppressed from the outside by the steady rest mechanism 38 without hindering the operation of the riding basket.

[0013]

As is apparent from the above description, according to the present invention, a connecting beam to which a riding basket is rotatably attached is connected across a pair of parallel main ropes to form a main rope. While the car is going up and down between the two, the shake of the main rope is suppressed from the outside by the steady rest mechanism, so it is possible to prevent damage to the inside of the travel route due to the shake of the main rope. Moreover, since the swing of the main rope is suppressed from the outside, the steady rest mechanism can be easily attached, and the shake of the main rope can be suppressed without hindering the operation of the riding basket.

[Brief description of drawings]

FIG. 1 is a diagram showing an embodiment of a circulation type elevator according to the present invention.

FIG. 2 is a partial sectional view of FIG.

FIG. 3 is a diagram showing an embodiment of a steady rest mechanism.

FIG. 4 is a diagram showing a schematic configuration of a circulation type elevator.

[Explanation of symbols]

1 ... Ascending hoistway, 2 ... Down hoistway, 3, 4 ... Guide rail, 5A-7B, 11A-13B ... Main rope, 8-10, 1
4 to 16 ... riding basket, 17A to 19B, 25A to 27B
.. drive wheels, 20A to 22B, 28A to 33B ... baffle wheels, 23, 24, 31, 32 ... baffle wheel groups, 34 ... coupling tools, 35 ... coupling beams, 36 ... guide rollers, 38 ... steady rest mechanism

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Kazuhiro Sato 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd. (72) Teruo Fukunaga 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd. (72) Inventor Masatsugu Shimizu 1-32 Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd. (72) Nobuhiko Hamada 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Company (72) Inventor Shunji Taneda 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Company

Claims (1)

[Claims] 1. Two parallel main ropes which are wound around a driving wheel and a deflecting wheel to form a loop having an ascending portion, a descending portion, and upper and lower horizontal portions, and straddle between these two main ropes. A circulation loop is formed by a riding basket rotatably attached to a connecting beam that is coupled to each other, and a driving source for independently driving the driving wheels is provided for each circulation loop to move the riding basket in one direction. A circulating-type elevator configured so as to circulate in a circular manner, characterized in that a main rope steadying mechanism for preventing swinging from outside is provided for each of the two main ropes.