KR100795265B1 - Elevator apparatus - Google Patents

Abstract

In the elevator apparatus, the car and the balance weight are elevated in the hoistway by the driving force of the first and second drive devices. The 1st and 2nd drive apparatus is arrange | positioned at the upper part of a hoistway so that each rotating shaft of the 1st and 2nd drive sheave may become perpendicular | vertical with respect to a horizontal plane. The car and the counterweight are suspended in the hoistway by a main rope body having a first main rope wound on a first drive sheave and a second main rope wound on a second drive sheave. The first main rope has first and second ends connected to the upper part of the hoistway, and the second main rope has third and fourth ends connected to the upper part of the hoistway. The car is provided with first and second car chassis pulleys in which the first and second main ropes are respectively wound. The counterweight is provided with first and second counterweight chassis pulleys in which the first and second main ropes are respectively wound.

Description

Elevator device {ELEVATOR APPARATUS}

The present invention relates to an elevator apparatus in which a drive device for elevating a car and a counterweight is disposed at an upper portion of a hoistway.

Conventionally, in order to shorten the height dimension of a hoistway, the elevator apparatus which arrange | positioned the hoisting machine horizontally in the upper part of the hoistway is proposed. The axis of rotation of the drive sheave of the hoisting machine is perpendicular to the horizontal plane. The main rope is wound horizontally on the drive sheave. In the upper part of the hoistway, two forward sheaves are provided which redirect the direction of the main rope from the horizontal direction to the vertical direction. The car and the counterweight are suspended in the hoistway by the main rope redirected by the redirecting sheave (see Patent Document 1).

Patent Document 1: Japanese Patent Application Laid-Open No. 2000-255933

Problem to be solved by invention

However, in such a conventional elevator apparatus, since the cage | basket | car and the counterweight are made to elevate with one hoist, the hoisting machine becomes large with the enlargement of an elevator apparatus. Thereby, reduction of the whole elevator apparatus cannot be aimed at.

This invention is made | formed in order to solve the above subjects, and an object of this invention is to obtain the elevator apparatus which can aim at reduction of the whole apparatus.

Means for solving the problem

An elevator apparatus according to the present invention has a first drive sheave, a first drive device disposed above the hoistway so that the rotation axis of the first drive sheave is perpendicular to the horizontal plane, and a second drive sheave. By the driving force of the car, the first and the second driving device, which lifts and lowers the inside of the hoistway by the driving force of the second driving device, the first and second driving devices arranged on the upper part of the hoistway so that the rotation axis thereof is perpendicular to the horizontal plane. A first main rope wound around the first drive sheave, including a balance weight for elevating in the hoistway, a first end connected to the upper part of the hoistway, and a second end, and a third end and a fourth end connected to the upper part of the hoistway. A main rope body having a second main rope wound on a second drive sheave, including a car and a counterweight in the hoistway, installed in the car, the first main rope A first car chassis pulley in which a portion between the first drive sheave of the first end and the first end is wound, which is installed in the car, and between the second drive sheave and the third end of the second main rope A portion of the second car chassis pulley wound around, is installed on the counterweight, a portion between the first drive sheave and the second end of the first main rope is wound on the first counterweight chassis pulley, and the counterweight, A second counterweight chassis pulley is provided with a portion wound between the second drive sheave and the fourth end of the second main rope.

BRIEF DESCRIPTION OF THE DRAWINGS It is a top view which shows the elevator apparatus by Embodiment 1 of this invention.

FIG. 2 is a front view showing the elevator apparatus of FIG. 1.

3 is a plan view of the elevator apparatus according to the second embodiment of the present invention.

4 is a front view illustrating the elevator apparatus of FIG. 3.

5 is a plan view of the elevator apparatus according to Embodiment 3 of the present invention.

6 is a front view illustrating the elevator apparatus of FIG. 5.

It is a top view which shows the elevator apparatus by Embodiment 4 of this invention.

8 is a front view illustrating the elevator apparatus of FIG. 7.

Preferred Mode for Carrying Out the Invention

EMBODIMENT OF THE INVENTION Hereinafter, preferred embodiment of this invention is described with reference to drawings.

Embodiment 1.

1 is a plan view showing an elevator apparatus according to Embodiment 1 of the present invention. 2 is a front view which shows the elevator apparatus of FIG. In the drawing, a pair of car guide rails and a pair of counterweight guide rails are provided in the hoistway 1 (both not shown). The car 2 is guided by each car guide rail and moves up and down the hoistway 1, and the counterweight 3 is guided by each counterweight guide rail and moves up and down the hoistway 1. In this example, the straight line connecting each car guide rail and the straight line connecting each counterweight guide rail in the vertical projection surface of the hoistway 1 are respectively with respect to the straight line which extends along the width direction of the hoistway 1, respectively. It is parallel.

The car 2 is a front part 2c provided with the 1st and 2nd side surface parts 2a and 2b which mutually oppose each car guide rail, the car doorway 4, and the front surface. It has the back part 2d facing the part 2c. In the front part 2c, the door 5 of a pair of cage | basket | car which opens and closes the cage | basket | car entrance 4 is provided. In this example, the dimension of the width direction of the cage | basket | car 2 (dimension between each outer surface of the 1st and 2nd side part 2a, 2b) is the dimension of the cage | bowl 2 in the depth direction (front part ( 2c) and the dimension between each outer surface of the back part 2d).

The counterweight 3 opposes the rear part 2d in the vertical projection surface of the hoistway 1. That is, when the hoistway 1 is vertically projected, the counterweight 3 is arrange | positioned behind the area | region of the cage | basket | car 2 with respect to the depth direction of the cage | basket | car 2.

In the upper part of the hoistway 1, the 1st and 2nd drive apparatus (winder) 12, 13 which raises and lowers the cage | basket | car 2 and the counterweight 3 is arrange | positioned. The 1st and 2nd drive devices 12 and 13 are arrange | positioned at intervals mutually in the width direction of the hoistway 1. Moreover, the 1st and 2nd drive devices 12 and 13 are arrange | positioned in the area | region of the cage | basket | car 2 in the vertical projection surface of the hoistway 1. In addition, the 1st and 2nd drive devices 12 and 13 are arrange | positioned at substantially the same height mutually.

The first drive device 12 includes a first drive device body 14 including a motor and a brake, and a first drive sheave 15 that is rotated by the first drive device body 14. The second drive device 13 has a second drive device body 16 including a motor and a brake, and a second drive sheave 17 that is rotated by the second drive device body 16. In addition, the 1st and 2nd drive devices 12 and 13 have the axial dimension of the diameter dimension of the 1st and 2nd drive device main bodies 14 and 16, or the 1st and 2nd drive sheaves 15 and 17 of a 1st. It is a thin hoist that is smaller than the diameter dimension.

The first and second drive devices 12, 13 each include a horizontal (almost horizontal) such that the rotational axes of the first and second drive sheaves 15, 17 are perpendicular to the horizontal plane (including the nearly horizontal plane). ) In addition, the 1st and 2nd drive devices 12 and 13 are arrange | positioned so that the position of the 1st and 2nd drive sheaves 15 and 17 may be upper side of the 1st and 2nd drive device main bodies 14 and 16, respectively. It is.

The main rope body 18 which winds the cage | basket | car 2 and the counterweight 3 in the hoistway 1 is wound by the 1st and 2nd drive sheaves 15 and 17. As shown in FIG. The main rope body 18 is substantially horizontal to the plurality of first main ropes 19 (shown in FIG. 1) and the second drive sheaves 17 wound substantially horizontally on the first drive sheave 15. It has a plurality of second main ropes 20 (only one is shown in the figure) wound by the wires.

In the lower part of the cage | basket | car 2, a pair of 1st cage | basket | car chassis pulleys 25 and 26 by which the 1st main rope 19 was wound, and a pair of 2nd which the 2nd main rope 20 was wound up Car chassis pulleys 27 and 28 are provided. The 1st car chassis pulley 25 and the 2nd car chassis pulley 27 are provided in the 1st side part 2a side of the lower part of the car 2, and the 1st car chassis pulley 26 and The 2nd car chassis pulley 28 is provided in the 2nd side surface part 2b side of the lower part of the car 2.

In the upper part of the counterweight 3, the 1st counterweight chassis pulley 29 by which the 1st main rope 19 was wound, and the 2nd counterweight chassis pulley 30 by which the 2nd main rope 20 were wound are provided. . The 1st and 2nd counterweight chassis pulleys 29 and 30 are provided side by side in the width direction of the counterweight 3.

In the upper part of the hoistway 1, the 1st and 2nd cage side rope fixing parts 21 and 22, and the 1st and 2nd counterweight side rope fixing parts 23 and 24 are provided. The first car side rope fixing part 21 is disposed above the first car chassis pulley 26, and the second car side rope fixing part 22 is above the second car chassis pulley 27. Is placed on. In addition, the first counterweight side rope fixing part 23 is disposed above the first counterweight chassis pulley 29, and the second counterweight side rope fixing part 24 is arranged above the second counterweight chassis chassis pulley 30. It is.

The first main rope 19 includes a first end 19a connected to the first car side rope fixing part 21 and a second end 19b connected to the first counterweight side rope fixing part 23. Have Moreover, the 2nd main rope 20 has the 3rd end part 20a connected to the 2nd car side rope fixing part 22, and the 4th end part connected to the 2nd counterweight side rope fixing part 24 ( 20b).

That is, the part between the 1st drive sheave 15 and the 1st end part 19a of the 1st main rope 19 is wound by the 1st cage pulley 25 and 26, and the 2nd cage chassis pulley A portion between the second drive sheave 17 and the third end portion 20a of the second main rope 20 is wound around the 27 and 28. In addition, a portion between the first drive sheave 15 of the first main rope 19 and the second end portion 19b is wound around the first counterweight chassis pulley 29, and the second counterweight chassis chassis pulley 30 is wound on the first counterweight chassis pulley 29. The portion between the second drive sheave 17 of the second main rope 20 and the fourth end 20b is wound.

Moreover, in the upper part of the hoistway 1, the 1st car side return pulley 31 which leads the 1st main rope 19 to the 1st car chassis pulley 25, and the 1st main rope 19 The first counterweight side pulley 32 leading to the first counterweight chassis pulley 29 and the second cage side pulley 33 leading the second main rope 20 to the second cage chassis pulley 28 And a second counterweight side return pulley 34 which leads the second main rope 20 to the second counterweight chassis pulley 30. Each axis of rotation of the 1st car side return pulley 31, the 1st counterweight side pulley 32, the 2nd car side return pulley 33, and the 2nd counterweight side return pulley 34 is horizontal (almost). It is arranged horizontally).

The first car side return pulley 31 is disposed above the first car chassis pulley 25, and the second car side return pulley 33 is disposed above the second car chassis pulley 28. It is. Moreover, the 1st counterweight return pulley 32 is arrange | positioned above the 1st counterweight chassis pulley 29, and the 2nd counterweight return pulley 34 is arrange | positioned above the 2nd counterweight chassis pulley 30. As shown in FIG.

The first and second main ropes 19 and 20 extending from the first drive sheave 15 in the substantially horizontal direction are redirected in the substantially vertical direction by the return pulleys 31 to 34. For this reason, the return pulleys 31-34 are arrange | positioned at substantially the same height as the 1st and 2nd drive devices 12,13.

Moreover, in the upper part of the hoistway 1, the 1st direction sheave 35 by which the part between the 1st drive sheave 15 of the 1st main rope 19 and the 1st car side return pulley 31 was wound, The 2nd turning sheave 36 by which the part between the 2nd drive sheave 17 of the 2nd main rope 20 and the 2nd car side return pulley 33 is wound is arrange | positioned. The 1st and 2nd redirecting sheaves 35 and 36 are arrange | positioned in the area | region of the cage | basket | car 2 in the vertical projection surface of the hoistway 1. Moreover, each rotation axis of the 1st and 2nd redirecting sheaves 35 and 36 is arrange | positioned perpendicularly to a horizontal plane (including the substantially horizontal surface). In addition, the 1st and 2nd redirecting sheaves 35 and 36 are arrange | positioned at substantially the same height as the 1st and 2nd driving sheaves 15 and 17. FIG.

The car 2 and the counterweight 3 are suspended in the hoistway 1 in a 2: 1 roping manner by the first main rope 19 and the second main rope 20. In other words, the first main rope 19 is the first car chassis pulleys 26, 25, the first car side return pulley 31, the first turning sheave 35, from the first end 19a. The first drive sheave 15, the first balance weight side return pulley 32, and the first counterweight chassis pulley 29 are wound in the order of reaching the second end 19b. Moreover, the 2nd main rope 20 is, from the 3rd end part 20a, the 2nd cage | basket | car chassis pulleys 27 and 28, the 2nd cage | bowl side return pulley 33, the 2nd turning sheave 36, The second drive sheave 17, the second counterweight side return pulley 34, and the second counterweight chassis pulley 30 are wound in the order to reach the fourth end 20b.

Moreover, in the vertical projection surface of the hoistway 1, the 1st and 2nd drive devices 12 and 13, and the 1st and 2nd redirecting sheaves 35 and 36 are 2 along the depth direction of the hoistway 1; With respect to the center line of, each is arranged symmetrically. Moreover, the control apparatus (not shown) which controls the 1st and 2nd drive devices 12 and 13 is provided in the hoistway 1.

Next, the operation will be described. The first and second drive devices 12 and 13 are driven in synchronization with each other by a signal from the control device. Thereby, the 1st and 2nd drive sheaves 15 and 17 are rotated in synchronization with each other, and the cage | basket | car 2 and the counterweight 3 are lifted up and down.

In such an elevator apparatus, the cage | basket | car 1 and the counterweight 3 are made to elevate the inside of the hoistway 1 by the driving force of the 1st and 2nd drive devices 12 and 13, and also the cage | basket | car 2 ) And the counterweight 3 are suspended in the hoistway 1 in a 2: 1 roping manner by the first main rope 19 and the second main rope 20, and thus, the first and second drive devices 12. , The load added to 13 can be reduced, and the first and second drive devices 12 and 13 can be miniaturized. Thereby, the length of the hoistway 1 in the height direction can be shortened, and the horizontal cross-sectional area of the hoistway 1 can be made small. Therefore, the whole elevator apparatus can be reduced in size. Moreover, the degree of enlargement of the elevator apparatus accompanying the enlargement of the elevator apparatus can be made small.

Moreover, since the return pulleys 31-34 which lead the 1st and 2nd main ropes 19 and 20 to the chassis pulleys 25-30 are respectively provided in the upper part of the hoistway 1, the agent which extends substantially horizontally The first and second main ropes 19 and 20 can be diverted in a substantially vertical direction, and do not interfere with the car 2 and the counterweight 3 from the first and second drive sheaves 19 and 20. The first and second main ropes 19 and 20 can be guided to the return pulleys 31 to 34.

Moreover, the 1st turning sheave 35 by which the part between the 1st drive sheave 15 of the 1st main rope 19 and the 1st car side return pulley 31 is wound is provided in the upper part of the hoistway 1. Since it is arrange | positioned, the installation angle with respect to the 1st drive sheave 15 and the 1st forward sheave 35 of the 1st main rope 19 can be ensured, and the traction capability can be increased. Thereby, the driving force of the 1st drive apparatus 12 can be transmitted to the 1st main rope 19 more reliably, and the cage | basket | car 2 and the counterweight 3 can be raised and lowered more reliably.

Moreover, the 2nd turning sheave 36 by which the part between the 2nd drive sheave 17 of the 2nd main rope 20 and the 2nd car side return pulley 33 is wound is located in the upper part of the hoistway 1 at the upper part. Since it is arrange | positioned, the installation angle with respect to the 2nd drive sheave 17 and the 2nd turning sheave 36 of the 2nd main rope 20 can be ensured, and a traction capability can be increased. Thereby, the driving force of the 2nd drive apparatus 13 can be transmitted to the 2nd main rope 20 more reliably, and the cage | basket | car 2 and the counterweight 3 can be raised and lowered more reliably.

Moreover, in the vertical projection surface of the hoistway 1, since the 1st and 2nd drive devices 12 and 13 are arrange | positioned in the area | region of the cage | basket | car 2, the horizontal cross-sectional area of the hoistway 1 can be made smaller. It is possible to further reduce the size of the elevator apparatus.

In the above example, a portion between the first drive sheave 15 of the first main rope 19 and the first car side return pulley 31 is wound around the first deflecting sheave 35. The portion between the first drive sheave 15 of the first main rope 19 and the first counterweight side pulley 32 may be wound around the first deflecting sheave 35. Even in this manner, the installation angles of the first drive sheave 15 and the first deflective sheave 35 of the first main rope 19 can be secured, thereby increasing the traction capability.

In the above example, the portion between the second drive sheave 17 of the second main rope 20 and the second car side return pulley 33 is wound around the second turning sheave 36. The portion between the second drive sheave 17 of the second main rope 20 and the second counterweight side pulley 34 may be wound around the second diverging sheave 36. Even in this manner, the installation angles of the second drive sheave 17 and the second turning sheave 36 of the second main rope 20 can be ensured, thereby increasing the traction capability.

Embodiment 2.

3 is a plan view of the elevator apparatus according to the second embodiment of the present invention. 4 is a front view which shows the elevator apparatus of FIG. In the figure, the dimension in the width direction of the car 2 is smaller than the dimension in the depth direction of the car 2. Moreover, the 1st and 2nd drive devices 12 and 13 are arrange | positioned at intervals mutually in the depth direction of the hoistway 1. Moreover, the part between the 1st drive sheave 15 of the 1st main rope 19 and the 1st counterweight side return pulley 32 is wound by the 1st redirecting sheave 35. Moreover, the part between the 2nd drive sheave 17 of the 2nd main rope 20 and the 2nd counterweight side return pulley 34 is wound by the 2nd turning sheave 36. The other configuration is the same as that in the first embodiment.

Thus, the dimension of the depth direction of the cage | basket | car 2 is larger than the dimension of the width direction of the cage | basket | car 2, and the balance weight 3 is the area | region of the cage | basket | car 2 in the vertical projection surface of the hoistway 1. Also in the elevator apparatus arrange | positioned at the back, in the vertical projection surface of the hoistway 1, the 1st and 2nd drive devices 12 and 13 can be arrange | positioned in the area | region of the cage | basket | car 2, and the hoistway 1 The horizontal cross-sectional area of can be made small.

In the above example, the portion between the first drive sheave 15 of the first main rope 19 and the first counterweight side pulley 32 is wound on the first deflecting sheave 35, A portion between the first drive sheave 15 of the first main rope 19 and the first car side return pulley 31 may be wound around the first deflecting sheave 35.

In the above example, the portion between the second drive sheave 17 of the second main rope 20 and the second counterweight side pulley 34 is wound around the second turning sheave 36, The part between the 2nd drive sheave 17 of the 2nd main rope 20 and the 2nd car side return pulley 33 may be wound up by the 2nd turning sheave 36.

Embodiment 3.

5 is a plan view of the elevator apparatus according to Embodiment 3 of the present invention. 6 is a front view which shows the elevator apparatus of FIG. In the figure, the dimension in the width direction of the car 2 is larger than the dimension in the depth direction of the car 2. Moreover, the counterweight 3 opposes the 2nd side surface part 2b in the vertical projection surface of the hoistway 1. That is, when the hoistway 1 is vertically projected, the counterweight 3 is arrange | positioned in the transverse side of the area | region of the cage | basket | car 2 with respect to the width direction of the cage | basket | car 2. In addition, the 1st and 2nd drive devices 12 and 13 are mutually offset in the width direction and the depth direction of the hoistway 1.

The second car side rope fixing portion 22 is disposed above the second car chassis pulley 28. The 3rd end part 20a of the 2nd main rope 20 is connected to the 2nd car side rope fixing part 22. As shown in FIG. In addition, the second car side return pulley 33 is disposed above the second car chassis pulley 27. The second main rope 20 is, from the third end 20a, the second car chassis pulley 28, the second car chassis pulley 27, the second car side return pulley 33, and the second. The forward sheave 36, the second drive sheave 17, the second counterweight side return pulley 34, and the second counterweight chassis pulley 30 are wound in the order of reaching the fourth end 20b. The other configuration is the same as that in the first embodiment.

Thus, the dimension of the width direction of the cage | basket | car 2 is larger than the dimension of the depth direction of the cage | basket | car 2, and the counterweight 3 is the area | region of the cage | basket | car 2 in the vertical projection surface of the hoistway 1. Also in the elevator apparatus arrange | positioned at the width direction transverse side, in the vertical projection surface of the hoistway 1, the 1st and 2nd drive devices 12 and 13 can be arrange | positioned in the area | region of the cage | basket | car 2, and the hoistway The horizontal cross-sectional area of (1) can be made small.

Embodiment 4.

7 is a plan view of the elevator apparatus according to Embodiment 4 of the present invention. 8 is a front view which shows the elevator apparatus of FIG. In the figure, the dimension in the width direction of the car 2 is smaller than the dimension in the depth direction of the car 2. Moreover, the 1st and 2nd drive devices 12 and 13 are arrange | positioned at intervals mutually in the depth direction of the hoistway 1. The other configuration is the same as that in the third embodiment.

Thus, the dimension of the depth direction of the cage | basket | car 2 is larger than the dimension of the width direction of the cage | basket | car 2, and the balance weight 3 is the area | region of the cage | basket | car 2 in the vertical projection surface of the hoistway 1. Also in the elevator apparatus arrange | positioned at the width direction transverse side of 1, the 1st and 2nd drive apparatuses 12 and 13 can be arrange | positioned in the area | region of the cage | basket | car 2 in the vertical projection surface of the hoistway 1, The horizontal cross section of 1) can be made small.

In addition, in the said Embodiment 3 and 4, the part between the 1st drive sheave 15 of the 1st main rope 19 and the 1st car side return pulley 31 is wound by the 1st turning sheave 35. However, the portion between the first drive sheave 15 of the first main rope 19 and the first counterweight side pulley 32 may be wound by the first deflecting sheave 35.

Moreover, in the said Embodiment 3 and 4, the part between the 2nd drive sheave 17 of the 2nd main rope 20 and the 2nd car side return pulley 33 is connected to the 2nd turning sheave 36. Moreover, as shown in FIG. Although it is being wound, the portion between the second drive sheave 17 of the second main rope 20 and the second counterweight side pulley 34 may be wound by the second turning sheave 36.

In addition, in each said embodiment, if the winding angle with respect to the 1st drive sheave 15 of the 1st main rope 19 can be ensured, the 1st turning sheave 35 may not be provided. In addition, as long as the winding angle with respect to the 2nd drive sheave 17 of the 2nd main rope 20 can be ensured, the 2nd turning sheave 36 may not be provided.

Moreover, in each said embodiment, the 1st and 2nd drive apparatuses 12 and 13 are arrange | positioned so that the 1st and 2nd drive sheaves 15 and 17 may be arrange | positioned above the 1st and 2nd drive apparatus main bodies 14 and 16. FIG. ) Is installed, the first and second drive devices (12, 13) so that the first and second drive sheaves (15, 17) are disposed below the first and second drive device bodies (14, 16). You may install it.

Moreover, in each said embodiment, although the cage | basket | car 2 and the counterweight 3 raise and lower the inside of the hoistway 1 by the drive force of the two drive devices 12 and 13, two or more drive devices The car 2 and the counterweight 3 may be moved up and down by the driving force. In this case, the car chassis pulley and counterweight chassis pulley corresponding to each drive device are respectively provided in the elevator 2 and the counterweight 3, and the car side return pulley corresponding to each drive device in the upper part of the hoistway, Counterweight return pulley and forward sheave are installed respectively. Moreover, the cage | basket | car 2 and the counterweight 3 are tied in the hoistway 1 by the main rope body which has the same number of main ropes as the number of each drive device.

Thus, this invention can be utilized for the elevator apparatus by which the cage | basket | car and the drive device which raises and lowers the counterweight are arrange | positioned at the upper part of a hoistway.

Claims (4)

A first drive device having a first drive sheave and disposed above the hoistway such that the axis of rotation of the first drive sheave is perpendicular to the horizontal plane; A second drive device having a second drive sheave and disposed above the hoistway so that the axis of rotation of the second drive sheave is perpendicular to a horizontal plane; An elevator car which elevates the inside of the hoistway by the driving force of the first and second drive units, A balance weight for elevating the inside of the hoistway by the driving force of the first and second drive units, A first main rope wound around the first drive sheave including a first end and a second end connected to an upper part of the hoistway, and a third end and a fourth end connected to an upper part of the hoistway; A main rope body having a second main rope wound on a drive sheave and suspending the car and the counterweight in the hoistway; A first car chassis pulley installed in the car and wound around a portion between the first drive sheave of the first main rope and the first end; A second car chassis pulley installed in the car and wound around a portion between the second drive sheave of the second main rope and the third end; A first counterweight chassis pulley installed on the counterweight and having a portion wound between the first drive sheave of the first main rope and the second end, and A second counterweight chassis pulley mounted on the counterweight and having a portion wound between the second drive sheave of the second main rope and the fourth end; An elevator apparatus, comprising: a. The method of claim 1, A first car side return pulley disposed at an upper portion of the hoistway and leading the first main rope from the first drive sheave to the first car chassis pulley, A first counterweight side return pulley disposed above the hoistway and leading the first main rope from the first drive sheave to the first counterweight chassis pulley, A second car side return pulley disposed above the hoistway and leading the second main rope from the second drive sheave to the second car chassis pulley, and A second counterweight side return pulley disposed above the hoistway and leading the second main rope from the second drive sheave to the second counterweight chassis pulley. Elevator device characterized in that it further comprises. The method of claim 2, It is disposed above the hoistway, a portion between the first drive sheave of the first main rope and the first car side return pulley, and the first drive sheave and the first of the first main rope. A first diverging sheave to which at least one of the portions between the counterweight chassis pulley is wound, and It is arranged in the upper part of the hoistway, a portion between the second drive sheave of the second main rope and the second car side return pulley, and the second drive sheave and the second of the second main rope. A second diverting sheave to which at least one of the portions between the counterweight chassis pulley is wound Elevator device characterized in that it further comprises. The method according to any one of claims 1 to 3, The said 1st and 2nd drive apparatus is arrange | positioned in the area | region of the car in the vertical projection surface of the said hoistway, The elevator apparatus characterized by the above-mentioned.

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