KR20040007690A - Elevating/lowering mechanism and elevating/lowering method of elevat0r - Google Patents

Abstract

In the elevating mechanism of the elevator apparatus, two sets of winches 22 and 24 for lifting and lowering the elevator car 8 and the counterweight 10 and the respective sets of two sets of winches 22 and 24 are independent. And a loop-shaped rope 30 wound around each of two sets of winding machines 22 and 24. The rope 30 is sandwiched between two sets of hoisting machines 22 and 24 and wound around the pulley 14 of the car 8 at one of the two opposing locations to suspend the car 8. The counterweight 10 is suspended by being wound around the pulley 16 of the counterweight 10 at one place.

Description

Lifting mechanism and lifting method of elevator device {ELEVATING / LOWERING MECHANISM AND ELEVATING / LOWERING METHOD OF ELEVAT0R}

FIG. 5: is a schematic diagram which shows the lifting mechanism 210 of the conventional elevator apparatus 200. As shown in FIG.

As shown in FIG. 5, the elevator apparatus 200 is provided with a lifting mechanism 210. Both ends of the wire rope 30 of the lifting mechanism 210 are fixed to the rope fixing part 54 provided on the back surface of the machine room bottom 4 above the lifting path 2. The wire rope 30 fixed to the fixing portion 54 is wound around a counterweight pulley 16 provided on the counterweight 10 to suspend the counterweight. The wire rope 30 wound on the counterweight pulley 16 is then wound on a winch 50 installed in the machine room 6, suspended again under the machine room bottom 4, and the pulley installed below the ride car 8. It is wound by 14), and the riding car 8 is suspended. The end of the wire rope 30 wound around the pulley 14 of the ride car 8 is fixed to the fixing part 54.

Moreover, the control panel 52 is provided in the winch 50. As shown in FIG. The speed of the winch by the control panel 52 can be set, or the rotation of the winch 50 can be stopped.

In the elevator apparatus 200 configured as described above, when the winch 50 rotates in the direction indicated by the arrow ① in FIG. 5, the wire rope 30 moves accordingly, between the counterweight pulley 16 and the winch 50. The length of the wire rope 30 is shortened, the balance weight 10 is pulled up in the direction of the arrow ②. On the other hand, the length of the hoist 30 becomes long, and the riding car 8 is lowered in the direction of an arrow ③. When the winch 50 is rotated in the opposite direction to the arrow 1 in FIG. 5, the counterweight 10 is lowered, and the ride car 8 is pulled up. In this way, the lift car 8 and the balance weight 10 move up and down the elevator 2 by the elevator mechanism 210.

By the way, the lifting mechanism 210 may stop the winch 50 or the control panel 52, and it may be necessary to perform safety check, regular check, etc. in the state which stopped the rotation of the winch 50 temporarily. In this case, the elevator car 8 cannot be raised and lowered while the elevator itself is not stopped during operation. In addition, the elevator itself stops even when it is necessary to stop the rotation of the winch machine due to a failure or the like. In this way, if the elevator itself stops due to inspection, failure, or the like, inconvenience to the user of the elevator is imposed.

In addition, in the elevator apparatus 200, the speed and capacity of the elevator are set in consideration of the necessary transportation capacity according to the environment of the building to be installed, etc., and the rotation of the winch 50 is controlled by the control panel 52 in accordance with this setting. Control at the set speed. However, since the elevator transport capacity is usually set according to the concentration of waiting guests, that is, when the loading of the car 8 is the highest, the transportation capacity may be excessive depending on the time of day, and energy is unnecessarily used. There is a time when it is consumed.

(Summary of invention)

Therefore, the present invention limits the lifting mechanism of the improved elevator apparatus that can lift the elevator even when the rotation of the winch machine is stopped due to inspection such as safety check or failure. Moreover, this invention proposes the elevating mechanism of the improved elevator apparatus which can adjust a transportation capacity according to the load in the elevating of an elevator apparatus.

The lifting mechanism of the elevator apparatus according to the present invention includes two sets of winches for lifting and lowering the elevator car and a balance weight, a control device for independently controlling each rotation of the two sets of winches, and a loop-shaped rope wound around the two sets of winches And the rope is wound in a pulley provided in the ride car in one of two opposing places sandwiched between two sets of hoisting machines, suspended in the ride car, and provided in the balance weight at the other place of the rope. It is wound on a pulley to tie the counterweight.

According to this elevating mechanism, even when the rotation of one hoist is stopped, the elevating car can be continued by operating the other hoist. The service of an elevator can be improved.

Moreover, according to this elevating mechanism, the elevating capacity of the elevator can be adjusted by selectively rotating or stopping one of the winches, and the elevator can be operated while suppressing excessive energy consumption.

In addition, the elevating method of the elevator device according to the present invention is the elevating mechanism of the elevator device provided with two sets of winches and the lifting device provided on the hoistway of the elevator device, and a rope-like rope for elevating the elevator car. Wind the pulley of the car at one of the two opposing places sandwiched between the hoist of the tank to suspend the ride car, wind the pulley of the counterweight at the other one to hang the counterweight, and each of the two sets of hoist By rotating or stopping to, the car and the counterweight are lifted.

According to this method, the lifting ability of the elevator can be adjusted by selectively stopping or rotating each of the winches so that the elevator can be operated while suppressing unnecessary energy consumption.

The present invention relates to a lifting mechanism and a lifting method of an elevator apparatus. More specifically, it relates to a lifting mechanism and a lifting method used when lifting the elevator car.

BRIEF DESCRIPTION OF THE DRAWINGS The perspective view which shows the elevator apparatus in embodiment of this invention.

It is a schematic diagram which shows the lifting pulley used for the lifting mechanism of the elevator apparatus in embodiment of this invention.

It is a schematic diagram for demonstrating the arrangement relationship of the wire rope, the lifting pulley, and the balanced pulley of the lifting mechanism of the elevator apparatus in embodiment of this invention.

It is a schematic diagram for demonstrating the case where an elevator car is elevated by the elevating mechanism of the elevator apparatus in embodiment of this invention.

5 is a schematic diagram showing a lift mechanism of a conventional elevator apparatus.

(The best form to carry out invention)

EMBODIMENT OF THE INVENTION Hereinafter, embodiment of this invention is described with reference to drawings. In the drawings, the same or equivalent parts are denoted by the same reference numerals to simplify or omit the description thereof.

1 is a perspective view showing an elevator apparatus 100 in an embodiment of the present invention. 2 is a schematic diagram which shows the lifting pulleys 22 and 24 in the lifting mechanism 110 of the elevator apparatus 100. As shown in FIG.

As shown in FIG. 1, the elevator device 100 is provided with a hoistway 2. The upper part of the hoistway 2 is partitioned by the machine room floor 4, and the machine room 6 is provided.

The hoisting car 8 and the counterweight 10 hang on the hoistway 2.

The ride car frame 12 is attached to the ride car 8, and the ride car pulley 14 is provided in the upper part of the ride car frame 12. As shown in FIG. The counterweight pulley 16 is provided at the upper portion of the counterweight 10.

In the machine room floor 4, two wire rope through holes 18 and 20 are provided.

The lifting mechanism 110 is installed in the machine room 6.

The elevating mechanism 110 includes a main winding machine 22 and an auxiliary winding machine 24. The main control room 26 is provided in correspondence with the main winding machine 22, and the auxiliary control panel 28 is provided in correspondence with the auxiliary winding machine 24.

As shown in FIG. 2, the main winch machine 22 is configured by rotatably attaching a large carriage 32 and a small carriage 34 to the fixed plate 36. Similarly, the auxiliary winch 24 is constituted by rotatably attaching a large carriage 38 and a small carriage 40 to the rotary disk 42.

With reference to FIG. 1 and FIG. 2, the wire rope 30 is comprised in a loop shape, and one place of the two opposing places is wound by the small and small pulleys 32 and 34 of the main winding machine 22, and the other one place. Is wound around the large and small vehicles 38 and 40 of the auxiliary winch 24. The wire rope 30 is a rope strong enough.

In addition, one of two places fitted to the main winding machine 22 and the auxiliary winding machine 24 in the wire rope 30 connected in a loop shape is sluggish on the machine room floor 2. The other one is slowed from the wire rope passage hole 20 to the hoistway 2.

The part draped in the hoistway 2 from the wire rope passage hole 18 of the wire rope 30 is wound around the ride car pulley 14, and the ride car 8 is supported by hanging. On the other hand, the portion lowered from the wire rope through-hole 20 is wound on the counterweight pulley 16 and suspended by the counterweight 10.

FIG. 3: is a schematic diagram for demonstrating the arrangement relationship of the wire rope 30, the lifting pulleys 22 and 24, and the pulleys 14 and 16. As shown in FIG.

As shown in FIG. 3, the wire rope 30 becomes a single wheel in a loop shape and is subsequently stored from the small car 34 and the large car 32 of the main lifter 22 to the ride car pulley 14. It is wound in order of the large pulley 38 of the winch 24, the small pulley 40, and the balance weight pulley 16, and returns to the small pulley 34 of the sovereign pulley 22. As shown in FIG.

In this way, the wire rope 30 of the elevating mechanism 110 is not fixed to the end as in the conventional elevating mechanism of the elevator apparatus, and is wound around a winch or pulley in a loop.

In addition, as described above, the elevating mechanism 110 of this embodiment includes a main winding machine 22, an auxiliary winding machine 24, a main control panel 26, an auxiliary control panel 28, and a wire rope 30. do.

FIG. 4: is a schematic diagram for demonstrating the case which raises and lowers the car 8 by the elevating mechanism 110. As shown in FIG.

For example, when the large pulleys 32 and 34 of the main lifter 22 rotate at a predetermined speed in the direction indicated by the arrow ① in FIG. 4, the wire between the large pulley 32 and the ride cart pulley 14 is used. Rope 30 is in the direction of arrow ② in unit time Going down, the wire rope 30 between the light vehicle 34 and the counterweight pulley 16 is in the direction of arrow ③ at unit time. I think it is impressive. On the other hand, when the pulley of the auxiliary winch machine 24 rotates at a predetermined speed in the direction indicated by the arrow ④ in FIG. ⑤ in the direction Ascending, and the wire rope 30 between the light vehicle 40 and the counterweight pulley 16 moves in the direction of arrow ⑥ in unit time. I think it goes up.

In this case, in the unit time, the riding car 8 moves in the direction of arrow ① as a whole. + Pulled down, the counterweight 10 as a whole in the direction of the arrow ⑧, + Is pulled up.

In addition, when pulling up the ride car 8, the trolleys 32, 34, 38, and 40 are similarly rotated in the reverse direction per unit time. + I can pull it up.

In this embodiment, the predetermined rotational speed of the main winder 22 is set large by the control panel 26, and the predetermined rotational speed of the auxiliary winder 24 is set small by the control panel 28. As shown in FIG. Therefore, the amount of movement in unit time Is somewhat large, Is set to some extent.

Therefore, during the elevator operation, especially when the waiting passengers concentrate, the main winding machine 22 and the auxiliary winding machine 24 are simultaneously operated.

This allows the ride car 8 to run in unit time. + At the speed of movement, the elevator can be operated.

In addition, normally, the rotation of the auxiliary winding machine 24 is stopped and only the main winding machine 22 is operated. in this case = 0, and the ride car 8 is driven in unit time only by the rotation of the sowing machine 22. Can be elevated. In this case, the wire rope 30 is in a state in which the elevator is driven by the pair of winches 22 and the control panel 26 in a state where the wire rope 30 is fixed to the auxiliary winches 24.

Meanwhile, when there are few waiting passengers, only the auxiliary winch 24 is moved to stop the main winch 22. in this case = 0, and the ride car 8 is driven in unit time only by the rotation of the auxiliary winch 24. You can get up and down.

In this case, since the elevator lift capacity is set in accordance with the elevator congestion situation, unnecessary energy consumption can be suppressed.

In case of inspection such as safety inspection, only the rotation of the hoist to be checked should be stopped and the inspection should be carried out with the other hoist rotated. As a result, even when the inspection is carried out, the boarding car 8 or It is possible to secure the operation of the elevator at the speed of moving to the vehicle, and the inconvenience of the elevator user can be alleviated.

In addition, even when one of the winches 22 or 24 cannot be rotated due to a failure, the ride car 8 is driven at least in unit time by the rotation of the other winches as in the case of inspection. or Operation of the elevator at a moving speed can be ensured and inconvenience of the elevator user can be alleviated.

In this embodiment, another main winding machine and auxiliary winding machine of rated speed were provided. However, this does not mean that two winding machines having the same speed may be provided. According to this, even when one side stops due to inspection, failure, or the like, it is possible to secure the driving speed of half of the fastest running speed.

Moreover, in this embodiment, the case where the hoist 22, 24 and the control panel 26, 28 was arrange | positioned in the machine room 6 was demonstrated.

However, the arrangement position is not limited to this, and for example, the hoist may be installed in another place such as the direct winch 22, 24 or the control panel 26, 28 in the hoistway 2. .

In addition, in this embodiment, although the control panel was provided correspondingly to two winding machines, it is also possible to control using the control panel of 1 as long as it can control each winding machine in an independent state.

The position and structure of the ride car, the ride car pulley, the counterweight and the counterweight pulley are not limited to those described in this embodiment.

In the present invention, two sets of winding machines are given, for example, the main winding machine 22 and the auxiliary winding machine 24 in this embodiment correspond, and the wire rope 30 corresponds to the rope on the loop, for example.

In addition, the control panel 26, 28 in this embodiment is corresponded to the control apparatus in this invention, for example. In this invention, the pulley corresponds to the ride car pulley 14 and the counterweight pulley 16.

As described above, according to the present invention, the elevating mechanism of the elevator apparatus owns two sets of winches and a control device, and these can be operated independently of each other.

Therefore, even when one of the winches is stopped during the inspection work or due to a failure, the ascending and descending of the car can be continued, and the elevator service can be improved.

Moreover, according to this invention, two winches can be selectively started or stopped. Therefore, the elevating speed can be adjusted according to the congestion situation of the elevator, and the economical operation of the elevator can be achieved by suppressing excessive energy consumption.

In addition, according to the present invention, since two sets of winding machines are provided independently, the complicated and high-precision control is not required, such as when the windings are stopped or the driving speeds are matched. Therefore, the elevator with high convenience can be provided more simply.

Claims (3)

Two sets of winches for lifting and lowering the elevator car and counterweight, a control device for independently controlling each rotation of the sets of winches, and a loop-like rope wound around the two sets of winches, wherein the ropes are The elevator mechanism of the elevator apparatus characterized in that it is wound between the pulleys of the ride cars at one of two opposing pick-ups and suspended between the lift cars and wound at the other one by the pulleys of the counterweights. . 2. The elevator mechanism of an elevator apparatus according to claim 1, wherein the two sets of winding machines have one main winding machine as the main winding machine and the other as the auxiliary winding machine, and the main winding machine has a large lifting capacity with respect to the auxiliary winding machine. An elevator mechanism of an elevator apparatus having two sets of winches provided on a hoistway of an elevator device and a loop-like rope wound on the above hoist and lifting an elevator car, the two places being sandwiched between the two sets of hoists of the rope and facing each other. The ride car and the balance weight are suspended by winding the pulley of the car in one of the way, hanging the balance weight by winding the pulley of the counterweight in another place, and selectively rotating or stopping the two sets of winches respectively. The elevating method of the elevator apparatus, characterized in that the elevating.