KR20040019385A - Elevator - Google Patents

Abstract

In the elevator apparatus, the first and second drive units are arranged horizontally above the car so as to overlap the car in the vertical projection surface. The first main wheel is wound around the first drive sheave of the first drive device. The second main wheel is wound around the second drive sheave of the second drive device. Above the car in the hoistway, a first car return pulley for guiding the first main wheel to the car is disposed. Above the counterweight in the hoistway, a first counterweight return pulley for guiding the first head to the counterweight and a second counterweight turney for guiding the second head to the counterweight are disposed.

Description

Elevator device {ELEVATOR}

9 is a perspective view showing a conventional elevator apparatus shown in, for example, Japanese Patent Laid-Open No. 7-117957.

In the figure, a pair of car guide rails 2 and a pair of counterweight guide rails 3 are provided in the hoistway 1.

The car 4 is guided to the car guide rail 2 to move up and down the hoistway 1. The counterweight 5 is guided to the counterweight guide rail 3 and moves up and down in the hoistway 1.

Above the balance weight 5 in the hoistway 1, the 1st and 2nd drive devices (winder) 6 and 7 are arrange | positioned. The first drive device 6 has a shaft 8 fixed horizontally to an upper portion of the hoistway 1, a stator (not shown) fixed to the shaft 8, and a shaft 8. It possesses the rotor (not shown) fixed inside the 1st drive sheave 9 against the 1st drive sheave 9 rotated and a stator.

The second drive device 7 rotates about a shaft 8 common to the first drive device 6, a stator (not shown) fixed to the shaft 8, and a shaft 8. Owns a second drive sheave 10 and a rotor (not shown) fixed inside the second drive sheave 10 opposite the stator.

Above the car 4 in the hoistway 1, the 1st and 2nd return pulleys 11 and 12 which are free to rotate are arrange | positioned. The first and second return pulleys 11 and 12 are rotated about a horizontally extending axis of rotation.

In the first drive sheave 9 and the first return pulley 11, the first casting 13 is formed in such a manner as to be entirely removed. The second drive sheave 10 and the second return pulley 11 are wound in such a manner that the second main wheels 14 are all rolled up.

The car 4 is connected and suspended by the 1st edge part of the 1st and 2nd main grinding | pulverization 13,14. The counterweight 5 is connected and suspended by the 2nd edge part of the 1st and 2nd main grinding | pulverization 13,14. That is, the car 4 and the counterweight 5 are suspended in the hoistway 1 by the 1: 1 roping method.

In this elevator apparatus, the first and second driving devices 6 and 7 are driven simultaneously, so that the first and second main grinding wheels 13 and 14 are simultaneously moved, and the car 4 and the counterweight ( 5) Lifts the inside of the hoistway 1. The drive system in which one car 4 is lifted by two drive units 6 and 7 is called a multidrive system.

Moreover, the elevator apparatus which arrange | positioned the drive apparatuses 6 and 7 in the hoistway 1 without providing a machine room is called a machine room lease elevator.

Here, in the conventional multi-drive machine room leasing elevator shown in FIG. 9, the drive apparatuses 6 and 7 are arrange | positioned so that it may not interfere with the car 4 in the upper part of the hoistway 1. As shown in FIG. In other words, the driving devices 6 and 7 are arranged so as not to overlap the car 4 in the vertical projection surface.

In addition, the diameters of the normal drive sheaves 6 and 7 cannot be smaller than the size prescribed by the ratio with respect to the diameter of the main grinding 13 and 14, and the like.

For this reason, the diameter of the drive sheaves 6 and 7 becomes larger than the thickness dimension of the counterweight 5. On the other hand, since the drive sheaves 6 and 7 are arranged such that their rotation shafts extend horizontally, the drive sheaves 6 and 7, in order to avoid the interference between the car 4 and the drive sheaves 6 and 7, can be avoided. According to the diameter of (7), it is necessary to arrange | position the counterweight 5 away from the car 4, and the plane area of the hoistway 1 will become large.

In addition, the drive sheaves 6, 7 and the return pulleys 11, 12 are arranged so that their rotation axes extend horizontally, and the traction ability is sufficient when the main wheels 13, 14 are semi-hung. Since it cannot be secured, the main grinding 13 and 14 are all wound in such a manner. For this reason, the axial force acting on the rotating shafts of the drive sheaves 6, 7 and the return pulleys 11, 12 becomes large, and the rotating shaft and their supporting members become large and expensive.

(Initiation of invention)

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to obtain an elevator apparatus capable of reducing the space in the hoistway and simplifying the supporting structure of the drive device and the return pulley.

An elevator apparatus according to the present invention owns a hoistway, a first drive sheave, a second drive that has a first drive device and a second drive sheave arranged in an upper part of the hoistway, and is arranged in an upper part of the hoistway. Winding second grinding of the second drive sheave owning the drive, the first and second ends, and having the first, third and fourth ends wound around the first drive sheave. , A car suspended on the first end of the first main wheel and the third end of the second main wheel, and elevating the inside of the hoistway by the first and second drive units, and the second end of the first main wheel. And a counterweight hanging on the fourth end of the second head and lifting up and down in the hoistway by the first and second drive units, wherein the first and second drive units overlap the car in the vertical projection surface. In addition, the rotation axis of the first and second driveships are arranged horizontally so as to extend vertically Above the car in the furnace, a second car return pulley for guiding the first head to the car and a second car return pulley for guiding the second head to the car are arranged, and above the counterweight in the hoistway, The 1st counterweight return pulley which leads the 1st main wheel to a counterweight, and the 2nd counterweight return pulley which guides a 2nd main wheel to a counterweight are arrange | positioned.

In addition, the elevator apparatus according to the present invention owns a hoistway and a first drive sheave, and includes a first drive device and a second drive sheave arranged in the upper part of the hoistway, and are arranged in the upper part of the hoistway. A second drive device and a car and a balance weight for elevating the inside of the hoistway by the first and second drive devices, wherein the first and second drive devices are arranged so as to overlap the car in the vertical projection surface. The axis of rotation of the drive sheave is arranged horizontally so as to extend vertically, and the first and second drive sheaves are wound with a main head having first and second ends so that the first and second ends are connected to the counterweight. In the lower part of the first and second cam hangers in which the main wheels are wound, the pulleys are mounted, and the first car return pulleys which guide the first wheels from the first driving sheave to the pulleys above the cars in the hoistway. Vortexing from the second drive sheave The second car return pulley for guiding the pulley to the pulley is arranged, and above the counterweight in the hoistway, the first counterweight return pulley for guiding the cutting from the first drive sieve to the counterweight and the second wheel The second counterweight return pulley which leads to the counterweight from the drive sieve is arrange | positioned.

In addition, the elevator apparatus according to the present invention owns a hoistway, a first drive sheave and a first drive device and a second drive sheave arranged in an upper part of the hoistway, and a second drive sheave arranged in an upper part of the hoistway. A drive device and a car and a balance weight for elevating the inside of the hoistway by the first and second drive devices, wherein the first and second drive devices overlap the car in the vertical projection surface, and the first and second drives. The rotational axis of the drive sheave of the vertically arranged horizontally, the first and second drive sheave is wound around the main wheel having the first and second ends, the first end is connected to one side of the car The second end is connected to the other side of the car, and the lower end of the counterweight is provided with a counterweight hanging pulley on which the head is wound, and above the car in the hoistway. Remove the return pulley and grinding A second car return pulley for guiding the second drive sheave from the second drive sieve to the other side of the car; a first counterweight return pulley for guiding the grinding from the first drive sieve to the pulley for hanging the balance from the first drive sheave; The second counterweight return pulley is arranged, which leads to the counterweight hanging pulley from the second drive sheave.

The present invention relates to a multidrive type elevator device in which one car is lifted by the first and second drive devices.

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

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

3 is a plan view showing an elevator apparatus according to Embodiment 2 of the present invention.

4 is a front elevational view of the outline of the elevator apparatus of FIG. 3;

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

FIG. 6 is a front view of a schematic showing the elevator apparatus of FIG. 5; FIG.

The top view which shows the elevator apparatus by Embodiment 4 of this invention.

FIG. 8 is a front view of the outline showing the elevator apparatus of FIG. 7; FIG.

9 is a perspective view showing an example of a conventional elevator apparatus.

(The best form to carry out invention)

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

Embodiment 1.

BRIEF DESCRIPTION OF THE DRAWINGS The top view which shows the elevator apparatus by Embodiment 1 of this invention, and FIG. 2 is a front view of the outline which shows the elevator apparatus of FIG.

In the figure, a pair of car guide rails 22 and a pair of counterweight guide rails 23 are provided in the hoistway 21. The car 24 is guided by the car guide rails 22 to move up and down the hoistway 21. The counterweight 25 is guided by the counterweight guide rails 23 to move up and down the hoistway 21.

The car 24 has first and second side surfaces 24a and 24b facing each other, and a front surface 24c and a rear surface 24d facing each other.

A car entrance and exit is provided on the front surface 24c.

The counterweight 25 is disposed on the side of the car 24 so as to face the first side face 24c. The counterweight guide rail 23 is provided so that the straight line which connects a pair of counterweight guide rails 23 may extend at right angles with the straight line which connects a pair of car guide rails 22 in a vertical projection surface.

On the upper ends of the car guide rail 22 and the counterweight guide rail 23, a machine stand 26 is supported and fixed. The machine table 26 is equipped with first and second drive devices (winders) 27 and 28 for lifting the car 24 and the counterweight 25. The first drive device 27 is a motor. It has a first drive device body 27a including a, and a first drive sheave 27b that is rotated by the first drive device body 27a.

The second drive device 28 has the same size and structure as the first drive device 27, and has a second drive device body 28a and a second drive sheave 28b.

As the drive devices 27 and 28, a thin hoist having a larger diameter of the drive sheaves 27b and 28b than the axial dimensions of the drive device bodies 27a and 28a is used. In addition, the drive apparatuses 27 and 28 are horizontally provided so that the rotation axis of the drive sheaves 27b and 28b may extend vertically. Moreover, the 1st and 2nd drive devices 27 and 28 are arrange | positioned above the car 24 from the 2nd side surface 24b side rather than the center of the door direction of the car 24. As shown in FIG. That is, the first and second drive devices 27 and 28 are arranged inside the area of the car 24 in the vertical projection surface.

Moreover, the 1st and 2nd drive devices 27 and 28 are arrange | positioned so that the 1st and 2nd drive sheaves 27b and 28b may become substantially the same height.

On the first drive sheave 27b, a first main wheel 29 for hanging the car 24 and the counterweight 25 is wound. Although only one single first cutting 29 is shown in the drawing, it may have several ropes.

The second main wheel which hangs the car 24 and the counterweight 25 is wound on the 2nd drive sheave 28b. Although only one is shown in figure, the 2nd main line 30 may also contain several rope.

The winding angle of the 1st and 2nd main grinding | polishing 29 and 30 to the drive sheave 27b, 28b is set larger than 90 degrees. More specifically, the winding angle is set larger than 130 degrees. Moreover, the 1st and 2nd main grinding | polishing 29 and 30 are wound by the drive sheaves 27b and 28b in a half-full fashion.

Above the 1st side surface 24a of the car 24, the 1st return pulley 31 which guides the 1st main wheel 29 to the car 24 is arrange | positioned.

Above the second side surface 24b of the car 24, a second car return pulley 32 for guiding the second main wheel 30 to the car 24 is disposed.

Above the counterweight 25 in the hoistway 21, the first counterweight return pulley 33 for guiding the first spindle 29 to the counterweight 25 and the second spindle 30 are counterweight 25. The 2nd counterweight return pulley 34 which leads | induces to is arrange | positioned.

In the upper part of the hoistway 21, the 2nd main line 30 is wound and the auxiliary pulley 35 which increases the winding angle of the 2nd main line 30 to the 2nd drive sheave 28b is arrange | positioned.

The return pulleys 31-34 are arrange | positioned so that these rotation axes may extend horizontally. The auxiliary pulley 35 is arranged such that its axis of rotation extends almost vertically.

The first and second side hangers 36 and 37 are provided at the lower ends of the first and second side surfaces 24a and 24b of the car 24. The portions 36 and 37 of the first and second cams are arranged such that a straight line connecting them to each other in the vertical projection surface passes through the center of the car 24.

The first main wheel 29 has a first end 29a connected to the first 36 hanging portion and a second end 29b connected to the whip 25a of the counterweight 25. Have. The first spindle 30 has a third end 30a connected to the second 37 and a fourth end 30b connected to the whip 25a of the counterweight 25. have.

Rope shuffles 38 are connected to the first to fourth end portions 29a, 29b, 30a, and 30b, respectively. The shuffle spring 39 is interposed between the rope shuck 38 and the hanging bottom of the parts 36 and 37 and the bottom face of the whittle 25a, respectively.

In the lower part of the car 24, the 1st detection device 40 in which the rope shutter 38 in the part 36 detects a displacement amount, and the 2nd carriage in the part 37 The 2nd detection apparatus 41 which detects the displacement amount of the rope shuttle 38 is provided.

As the first and second detection devices 40, 41, for example, a reflective fluorescent sensor is used. Moreover, not only a reflective fluorescence sensor but various contact or non-contact sensors can be used.

The machine table 26 is equipped with a control panel 42 for controlling the first and second drive devices 27 and 28 and a governor 43 for detecting overspeed of the car 24. That is, the machine table 26 has a control room 42, a governor 43, first and second drive units 27 and 28, and first and second car return pulleys 31 and 32. And first and second counterweight return pulleys 33, 34 and auxiliary pulleys 35 are mounted.

As shown in Fig. 2, the machine table 26 includes first and second drive units 27 and 28, first and second return pulleys 31 and 32, and first and second ones. The counterweight return pulleys 33 and 34 of 2 are provided within the installation range in the vertical direction. The machine table 26 is supported on the car guide rail 22 and the counterweight guide rail 23 through a plurality of support members 44 and a plurality of shock absorbing members 45.

In such an elevator apparatus, since the first and second drive devices 27 and 28 are driven simultaneously, the car 24 and the counterweight 25 move up and down the hoistway 21. At this time, since the first and second drive devices 27 and 28 were horizontally disposed and the car return pulleys 31 and 32 and the balance weight return pulleys 33 and 34 were used, ), 30 can be secured to a sufficient winding angle even if it hangs in a manner that counters the driving sheaves 27b and 28b. As a result, the support structure of the drive devices 27, 28 and the return pulleys 31 to 34 can be simplified by reducing the celebration of the drive sheaves 27b and 28b.

Moreover, since the 1st and 2nd drive devices 27 and 28 are arrange | positioned so that they may overlap with the car 24 in a vertical projection surface, the plane dimension of the hoistway 21 can be pressed small. In addition, since the thin winches are used as the drive devices 27 and 28, interference between the car 24 and the drive devices 27 and 28 is avoided regardless of the diameters of the drive sheaves 27b and 28b. The increase in the vertical dimension of the hoistway 21 can be suppressed.

Thereby, space omission in the hoistway 21 can be aimed at.

Moreover, since the 1st and 2nd detection apparatuses 40 and 41 were arrange | positioned under the car 24, the tension difference of the 1st and 2nd main lines 29 and 30 can be monitored. . The tension difference is monitored by the control panel 24, and when the tension difference reaches a preset value, a command signal for releasing the tension difference is output from the control panel 42 to the driving devices 27 and 28.

In addition, since the auxiliary pulley 35 is used, the winding angle of the second grinding wheel 30 to the second drive sheave 28b can be increased to ensure sufficient traction capability.

Moreover, the control panel 42, the governor 43, the 1st and 2nd drive devices 27 and 28, the 1st and 2nd car return pulleys 31 and 32, the 1st and 2nd The balance weight return pulleys 33, 34 and auxiliary pulleys 35 are mounted on a common machine table 26, so that the structure can be simplified. Moreover, the apparatus mounted on the machine stand 26 and the machine stand 26 can be unitized, and the installation in the hoistway 21 can be made easy.

In addition, the machine table 26 includes the first and second drive devices 27 and 28, the first and second car return pulleys 31 and 32, and the first and second counterweights. Since it is provided in the installation range of the up-down direction of the pulleys 33 and 34, the space of the upper space in the hoistway 21 can be omitted.

In addition, since the platform 26 is supported by the plurality of supports 44 and the plurality of inner layer members 45 on the upper side of the car guide rail 22 and the counterweight guide rail 23, the driving apparatus 27, ( 28 and the vibration guide rails 22 and 23 of the return pulleys 31 to 34 can be prevented.

In addition, since the hanging parts 36 and 37 are disposed at a position lower than the upper surface of the car 24, and the shock spring 39 is disposed below the hanging parts 36 and 37, The rope shuffle 38 and the shuffle spring 39 do not protrude above the car 24 and are disposed, and the height dimension of the hoistway 21 can be reduced. Similarly, the shroud spring 39 is also arranged below the wobble 25a on the balance weight 25 side, so that the height dimension of the hoistway 21 can be reduced.

In addition, since the first and second hanging sections 36 and 37 are arranged such that a straight line connecting them to each other in the vertical projection surface passes through the center of the car 24, the car 24 can be stably suspended. have.

Moreover, in Embodiment 1, although the 1st and 2nd drive devices 27 and 28 are arrange | positioned at the 2nd side surface 24b side rather than the center of the opening direction of the car 24, For example, You may arrange | position the 2nd drive device 28 to the 1st side surface 24a side. In this case, the auxiliary pulley 35 is disposed in the vicinity of the first drive device 27, and the second counterweight return pulley 34 is moved from the second drive sheave 28b of the second main wheel 30. The facing portion is wound around the auxiliary pulley 35, thereby making it possible to increase the winding angle of the second spindle 30 to the second drive sheave 28b.

Embodiment 2.

Next, FIG. 3 is a top view which shows the elevator apparatus by Embodiment 2 of this invention, FIG. 4 is a front view of the outline which shows the elevator apparatus of FIG. In the figure, the counterweight 25 is arranged at the rear of the car 24 so as to face the rear face 24d of the car 24. The counterweight guide rail 23 is provided so that the straight line which connects a pair of counterweight guide rails 23 may extend in parallel with the straight line which connects a pair of guide rails 22 in a vertical projection surface.

The first and second drive devices 27 and 28 are disposed above the car 24 on the front surface 24c side than the center of the car 24 in the inward direction (up and down direction in FIG. 3). A portion extending from the first drive sheave 27b of the first spindle 29 to the first car return pulley 31 and the second from the second drive sheave 28b of the second spindle 30. The portions extending to the car return pulley 32 of the cross each other. The other configuration is the same as that of the first embodiment.

In such an elevator device, the first and second drive devices 27, 28 are arranged horizontally so as to overlap the car 24 in the vertical projection surface, and the return pulleys 31, 32 and the counterweight Since the pulleys 33 and 34 guide the car 24 and the counterweight 25 of the grinding wheels 29 and 30, the same effects as those in the first embodiment can be obtained.

Embodiment 3.

Next, FIG. 5 is a top view which shows the elevator apparatus by Embodiment 3 of this invention, and FIG. 6 is a front view of the outline which shows the elevator apparatus of FIG. In the figure, the lower part of the car 24 is equipped with first and second car return pulleys free to rotate.

The car return pulleys 51 and 52 are arrange | positioned so that these rotating shafts may extend in parallel and horizontally in the inward direction of the car 24. The car return pulleys 51 and 52 are arranged to intersect the first and second side surfaces 24a and 24b in the vertical projection surface.

First and second drive sheaves 27b, 28b, first and second car return pulleys 31, 32, first and second counterweight return pulleys 33, 34 and The first and second cassettes are wound around the pulleys 51 and 52 with a main line 53. Only one stroke 53 is shown in the drawing, but includes one or more ropes.

Moreover, the car return pulleys 51 and 52 are arrange | positioned so that the main line 53 which passes between them may pass through the heavy center of the car 24. As shown in FIG.

The main line 53 owns the first and second end portions 53a and 53b.

The first and second end portions 53a and 53b are connected to the whistle 25a of the counterweight 25 via the rope shuffle 38 and the shuffle spring 39.

Moreover, the main line 53 is, from the first end 53a, the first counterweight return pulley 33, the first drive sheave 27b, the first car return pulley 31, and the first car. The hanging pulley 51, the second camera hanger are wound in the order of the pulley 52, the second car return pulley 32, the second drive sheave 28b and the second counterweight return pulley 34, It reaches the edge part 53b of 2.

The first and second detection devices 40 and 41 are mounted on the whistle 25a of the counterweight 25. The other configuration is the same as that of the second embodiment.

In such an elevator device, the first and second drive devices 27 and 28 are arranged horizontally so as to overlap the car 24 in the vertical projection surface, and the car return pulleys 31, 32 and counterweight return. Since the main part 53 is guided to the car 24 and the counterweight 25 by the pulleys 33 and 34, the same effect as in the first embodiment can be obtained.

Moreover, since the car 24 hangs by the pulleys 51 and 52 which can be rotated freely, the car 24 can be suspended stably. Moreover, the number of the grinding 53 can be reduced, and also the number of the terminal connection parts of the grinding 53 can be reduced by this, and cost can be reduced.

Embodiment 4.

Next, FIG. 7 is a top view which shows the elevator apparatus by Embodiment 4 of this invention, FIG. 8 is a front view of the outline which showed the elevator apparatus of FIG. In the figure, the lower part of the counterweight 25 is equipped with the pulley 54 which hangs a counterweight freely rotatable. The counterweight hanging pulley 54 is arranged such that its axis of rotation extends in parallel and horizontally in the width direction (left and right directions in FIGS. 7 and 8) of the counterweight 25. Moreover, the counterweight hanging pulley 54 is arrange | positioned in the center part of the width direction of the counterweight 25, ie, the center position of the counterweight 25.

The first end 53a of the main grinding 53 is connected to the portion 36 of the first cassette through the rope shuffle 38 and the shuffle spring 39.

The 2nd end part 53b of the main part 53 is connected to the part 37 by the 2nd cassette through the rope shutter 38 and the shutter spring 39. As shown in FIG.

Moreover, the main line 53 is a first car return pulley 31, a first drive sheave 27b, a first counterweight return pulley 33, and a counterweight hanging pulley 54 from the first end 53a. ), The second counterweight return pulley 34, the second drive sheave 27b, and the second car return pulley 32 are wound in this order to reach the second end 53b. The other configuration is the same as that of the second embodiment.

In such an elevator device, the first and second drive devices 27 and 28 are arranged horizontally so as to overlap the car 24 in the vertical projection surface, and the car return pulleys 31 and 42 and Since the main part 53 is guided to the car 24 and the counterweight 25 by the counterweight return pulleys 33 and 34, the same effects as the first and second embodiments can be obtained.

Moreover, since the counterweight 25 is suspended by the pulley 54 which hangs freely, the counterweight 25 can be suspended stably.

In addition, the number of the main lines 53 can be reduced, thereby reducing the number of terminal connecting portions of the main line 53, thereby reducing the cost. Moreover, in Embodiment 4, although the counterweight hanging pulley 54 was mounted in the lower part of the counterweight 25, the counterweight hanging pulley 54 may be mounted in the upper part of the counterweight 25. As shown in FIG.

In embodiments 1 to 4, the machine table 26 may be fixed to the hoistway wall instead of the guide rails 22 and 23.

Although steel rope may be used as the main grinding, resin coated rope made of outer friction material made of high friction resin material can be used, and the diameter of driving sheave and return pulley can be reduced to save space in the hoistway. have.

Claims (3)

The second drive device which owns a hoistway, a 1st drive sieve, and is arrange | positioned at the upper part in the hoistway, The 1st drive device which has the 1st drive device arrange | positioned at the upper part in the hoistway, and a 2nd drive sheave, And a second main body possessing a second end and wound around the first drive sheave, a second main body wound around the second drive sheave, and a second main body wound around the second drive sheave. A car suspended in the hoistway by the first and second drive units, suspended by the first end of the first main wheel and the third end of the second main wheel, and the first main wheel A balancing weight which is suspended at the second end and the fourth end of the second main wheel, and is moved up and down in the hoistway by the first and second drive units, and the first and second drives The device overlaps with the car within the vertical projection plane and during the first and second drive. A V axis of rotation is arranged horizontally so as to extend vertically, and above the car in the hoistway, a first car return pulley for guiding the first wheel to the car and a second wheel to the car. A second car return pulley is disposed, and a first counterweight return pulley for guiding the first heading to the counterweight and the second head for directing the counterweight to the counterweight above the counterweight in the hoistway. Elevator device in which 2 counterweight return pulleys are arranged. A second drive device which owns a hoistway, a first drive sheave and is disposed above the hoistway, a first drive device and a second drive sheave, and is arranged above the hoistway; A car and a balance weight for elevating the inside of the hoistway by means of a first and a second drive device, wherein the first and second drive devices are copper, first and second drive so as to overlap the car in a vertical projection surface. The axis of rotation of the sheave is arranged horizontally so as to extend vertically, and the first and second drive sheaves are wound with a main head having first and second ends, and the first and second ends are connected to the counterweight. The first and second car hangers to which the main wheels are wound are mounted on the lower part of the car, and the first car suspending the first car from the first drive sheave above the car in the hoistway. Guided with pulley A car return pulley of 1 and a second car return pulley for guiding the main wheel from the second drive sheave to the pulley are arranged, and the main wheel is placed above the counterweight in the hoistway. A first counterweight return pulley for guiding the counterweight from the drive sieve to the counterweight and a second counterweight return pulley for guiding the main wheel from the second drive sieve to the counterweight. A first drive device having a hoistway, a first drive sheave and disposed above the hoistway, a second drive device having a second drive sheave and disposed above the hoistway, and the first drive sheave; And a car and a balance weight for elevating the inside of the hoistway by a second drive device, wherein the first and second drive devices overlap the car in a vertical projection surface, and the first and second drive sheaves. Are horizontally arranged so that the axis of rotation of the shaft extends vertically, and the first and second drive sheaves are wound with a main wheel having first and second ends, and the first end is connected to one side of the car, The second end is connected to the other side of the car, and a lower portion of the counterweight is provided with a pulley for fastening a counterweight to which the main wheel is wound, and above the car in the hoistway, the main wheel is moved to the first drive sieve. A first car return pulley for guiding the car to the Han Chinese of the car and a second car return pulley for guiding the main wheel from the second driving sheave to the other side of the car, and the balance weight in the hoistway. A first counterweight return pulley for directing the grinding from the first drive sheave to the counterweight hanging pulley and a second counterweight return for directing the main wheel from the second drive sheave to the counterweight hanging pulley. Elevator device with a pulley.