KR100847175B1 - Hoist of elevator - Google Patents

Abstract

In the hoist of an elevator, the support body has a round annular frame part. The frame part is supported by the rotating body which can be rotated about the center axis of the frame part. The rotating body has a sheave portion provided so as to surround the frame portion radially outward of the frame portion, a round annular rotor portion provided inside the radial direction of the frame portion, and an induction portion which fixes the sheave portion and the rotor portion to each other avoiding the frame portion. The main rope is wound around the outer periphery of the sheave portion. Moreover, in the radial direction inner side of a sheave part, the motor which rotates a rotating body with respect to a frame part is arrange | positioned.

Description

Hoist of elevator {HOIST OF ELEVATOR}

The present invention relates to a hoisting machine of an elevator provided in a hoistway.

Conventionally, in order to reduce the thickness dimension of the hoisting machine, the hoisting machine in which the rotating part rotated by a motor is integrated with the drive sheave is proposed. The rotating part is disposed inside the motor. In addition, a main rope is wound around the drive sheave. The motor and the drive sheave are arranged side by side in the thickness direction of the hoisting machine in order to prevent interference between the motor and the main rope (see Patent Document 1).

Patent Document 1: Japanese Patent Application Laid-Open No. 2000-289954

Problem to be solved by invention

However, in such a conventional hoisting machine, since the motor and the drive sheave are arranged side by side in the thickness direction of the hoisting machine, the thickness dimension of the hoisting machine cannot be reduced.

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

Means for solving the problem

The hoist of the elevator according to the present invention includes a support having a round annular frame portion, a round annular sheave portion in which the main rope is wound around the outer periphery of the frame portion, and a radial portion outside the frame portion, and the radial direction of the frame portion. A rotor having a round annular rotor portion provided therein, and a guide portion for fixing the sheave portion and the rotor portion to each other, avoiding the frame portion, and being supported by the frame portion and rotatable about a central axis of the frame portion, And a motor disposed inside the radial direction of the sheave portion to rotate the rotating body with respect to the frame portion.

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

FIG. 2 is a cross-sectional view taken along the line II-II of FIG. 1.

3 is a cross-sectional view taken along line III-III of FIG. 2.

4 is a rear view illustrating the hoisting machine of the elevator of FIG. 1.

5 is a cross-sectional view illustrating a hoist of an elevator when the braking operation of the electromagnetic brake device of FIG. 2 is released.

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 front view showing a hoist of an elevator according to Embodiment 1 of the present invention. 2 is a cross-sectional view taken along the line II-II of FIG. 1, and FIG. 3 is a cross-sectional view taken along the line III-III of FIG. 2. 4 is a rear view which shows the hoisting machine of the elevator of FIG. Moreover, the hoisting machine shown in FIG. Is a thin hoisting machine whose dimension with respect to an axial direction is smaller than the dimension with respect to a radial direction. In the figure, the fixed beam 1 which extends horizontally is provided in the hoistway. In the high information 1, a support 2 provided with a circular opening 4 is fixed by a plurality of bolts 3.

The support 2 has a round annular support fixing portion 5 surrounding the opening 4 and a round annular shape provided so as to surround the supporting fixing portion 5 on the radially outer side of the supporting fixing portion 5. It has a plate-shaped support plate part 7 which is provided between the frame part 6, the support fixing part 5, and the frame part 6, and fixes the frame part 6 with respect to the support fixing part 5. have. The support fixing part 5 is fixed to the high information 1 by each bolt 3.

The support fixing part 5 and the frame part 6 have a common center axis (henceforth "center axis line of a frame part"). The support body 2 is provided with the support groove part 8 formed by the support fixing part 5, the frame part 6, and the support plate part 7. The support groove part 8 extends along the circumferential direction of the support fixing part 5 and the frame part 6.

The support body 2 is supported by the rotating body 9 which can be rotated with respect to the support body 2 about the center axis line of a frame part. That is, the rotating body 9 is rotatably supported by the support body 2 coaxially with the support body 2. The rotating body 9 is further supported by a circular annular sheave portion 10 provided so as to surround the frame portion 6 outside the radial direction of the frame portion 6 and the radially inner side of the frame portion 6. Sheave part avoiding the frame part 6 and the annular rotor part 11 provided in the radially outer side of the fixing part 5 (that is, between the frame part 6 and the support fixing part 5). It is provided between 10 and the rotor part 11, and has the rotating plate part 12 which is an induction part which fixes the rotor part 11 with respect to the sheave part 10. As shown in FIG.

The rotating body 9 is provided with a rotating body groove portion 13 formed by the sheave portion 10, the rotor portion 11, and the rotating plate portion 12. The rotating body groove part 13 extends along the circumferential direction of the sheave part 10 and the rotor part 11. Moreover, the direction in which the rotating body groove part 13 is open becomes the direction opposite to the direction in which the support body groove part 8 is open.

Moreover, the rotor part 11 is inserted in the support groove part 8, and the frame part 6 is inserted in the rotating body groove part 13. As shown in FIG. That is, a part of each of the rotor part 11, the frame part 6, and the sheave part 10 is mutually lined with respect to the radial direction of the frame part 6. As shown in FIG.

Between the sheave part 10 and the frame part 6, the annular bearings 14 and 15 which extend in the circumferential direction of the sheave part 10 and the frame part 6 are arrange | positioned. The bearings 14 and 15 are arranged at intervals from each other in the direction along the central axis of the frame portion. The rotating body 9 is rotatably supported by the frame part 6 via the bearings 14 and 15. Moreover, the bearing pressing member 60 for preventing the fall of one bearing 15 is being fixed to the sheave part 10 by the bolt 61. Moreover, between the bearing 14 and the bearing 15, the lubricating material 16 which lubricates the bearings 14 and 15 is supplied. Further, outside the bearings 14 and 15, annular oil seals 17 and 18 for preventing leakage of the lubricant 16 are provided so as to sandwich the bearings 14 and 15 therebetween.

On the outer circumferential portion of the sheave portion 10, a plurality of rope grooves 19 extending in the circumferential direction of the sheave portion 10 are provided. Each rope groove 19 is wound with a main rope for hanging a car and a balance weight in a hoistway (all not shown). The car and the balance weight move up and down the hoistway by the rotation of the rotor 9.

Between the frame part 6 and the rotor part 11, the annular motor 20 for rotating the rotating body 9 with respect to the support body 2 is provided. The motor 20 is provided in the plurality of motor permanent magnets 21 provided in the rotor part 11 and the frame part 6 along the circumferential direction of the frame part 6, and the motor permanent magnets 21 are provided. It has the stator coil 22 which opposes.

The stator coil 22 generates a rotating magnetic field by energization. The motor permanent magnet 21 is integrally rotated with the rotating body 9 by energizing the stator coil 22. In addition, the stator coil 22 is fixed to the support body 2 by the some bolt 23.

Moreover, the electromagnetic brake apparatus 24 for braking rotation of the rotating body 9 with respect to the support body 2 is supported by the support body 2. The electromagnetic brake device 24 is a pair of movable plates 25 and 26 which face each other so as to sandwich the rotating body 9 therebetween, and which are displaceable with respect to the supporter 2 in the direction along the central axis of the frame portion. Brake linings 27 which are provided on the movable plates 25 and 26, respectively, and which fold on the rotor 9 by the displacement of the movable plates 25 and 26 with respect to the support 2. , 28, and an electromagnetic drive body 29 provided in the opening portion 4 and displacing the movable plates 25, 26 in the direction in which the brake linings 27, 28 fold in contact with the rotor 9. have.

Each of the movable plates 25 and 26 is a circular plate arranged perpendicularly to the direction along the central axis of the frame portion. In addition, the outer diameters of the movable plates 25 and 26 are substantially the same as the outer diameter of the rotating body 9.

One movable plate 25 is slidably connected to the plurality of first guide pins 30 fixed to the support fixing section 5. Each first guide pin 30 extends in the direction along the central axis of the frame portion. The displacement with respect to the support body 2 of one movable plate 25 is guided by each 1st guide pin 30.

The other movable plate 26 slides through the some 2nd guide pin 31 fixed to the support plate part 7 so that a slide is possible. Each second guide pin 31 extends in the direction along the central axis of the frame portion. The displacement with respect to the support body 2 of the other movable plate 26 is guided by each 2nd guide pin 31. As shown in FIG. Moreover, the some movable plate 26 is provided with the some guide hole 32 through which the part fixed to the high information 1 of the support fixing part 5 passes.

The brake lining 27 is provided in the outer peripheral part of one movable plate 25. In addition, the brake lining 28 is provided in the outer peripheral part of the other movable plate 26. The brake linings 27 and 28 are round annular high friction members extending in the circumferential direction of each of the movable plates 25 and 26. In addition, the brake linings 27 and 28 are folded to the sheave portion 10 by displacement of the pair of movable plates 25 and 26 with respect to the support 2. The braking surface which extends in the circumferential direction of the sheave part 10 is provided in the part in which the brake linings 27 and 28 of the sheave part 10 are folded. Rotation of the rotating body 9 is braked by the contact with the braking surfaces of the brake linings 27 and 28.

The cylindrical slide member 33 is provided between the inner peripheral surface of the support fixing part 5 and the electromagnetic drive body 29. The slide member 33 is slidable with respect to the support fixing part 5 in the direction along the center axis of a frame part. The electromagnetic drive body 29 is supported by the support fixing part 5 via the slide member 33. In addition, the electromagnetic drive body 29 is disposed between the movable plate 25 and the movable plate 26.

The electromagnetic drive body 29 includes a first displacement portion 34 which is integrally displaced with one of the movable plates 25 and a second displacement portion 35 which is integrally displaced with the other movable plates 26. Have. The 1st displacement part 34 and the 2nd displacement part 35 are arrange | positioned mutually with respect to the direction along the center axis line of a frame part. Moreover, the displacement with respect to the support body 2 of the 1st displacement part 34 and the 2nd displacement part 35 is guided by the support fixing part 5.

The first displacement part 34 is slidable with respect to the slide member 33. Moreover, the 1st displacement part 34 is a permanent magnet for brake provided in the adjustment member 36 provided in one movable plate 25, and the part of the side of the other movable plate 26 of the adjustment member 36. As shown in FIG. Has 37.

The adjustment member 36 includes a magnet mounting plate 38 that slides while contacting the slide member 33, and a screw rod portion that protrudes from the magnet mounting plate 38 in the direction along the center axis of the frame portion. Has 39 The brake permanent magnet 37 is fixed to the magnet mounting plate 38. Moreover, the screw hole 40 with which the screw rod part 39 was screwed is provided in one movable board 25. The position with respect to one movable plate 25 of the 1st displacement part 34 is adjustable by the screwing amount with respect to the screw hole 40 of the screw rod part 39. As shown in FIG. Moreover, the stop nut 41 for preventing the displacement of the screw rod part 39 with respect to one movable plate 25 is screwed in the screw rod part 39. As shown in FIG. Moreover, the engaging part 39a which can engage with tools, such as a spanner, for turning the screw bar part 39 is provided in the front-end | tip part of the screw bar part 39. As shown in FIG.

The 2nd displacement part 35 is displaceable with respect to the support fixing part 5 with the slide member 33. As shown in FIG. Moreover, the 2nd displacement part 35 has the electromagnetic magnet 43 fixed to the other movable plate 26 by the some bolt 42. As shown in FIG. The electromagnetic magnet 43 has a core portion 44 made of magnetic material such as iron, and an electromagnetic coil portion 45 surrounding the core portion 44. The core portion 44 opposes the brake permanent magnet 37.

The brake permanent magnet 37 is configured to generate a magnetic force that attracts the core portion 44. In addition, the electromagnetic magnet 43 is configured to generate an electromagnetic force that repels the magnetic force of the permanent magnet 37 for brakes by energizing the electromagnetic coil portion 45.

That is, the 1st displacement part 34 and the 2nd displacement part 35 are repulsed with each other by the electricity supply to the electromagnetic coil part 45, and are displaced in the direction away from each other, and stops the electricity supply to the electromagnetic coil part 45. They are attracted to each other and are displaced in a direction closer to each other. Displacements of the first and second displacement parts 34 and 35 are guided by the support fixing part 5.

In the support body 2, the displacement restricting device 46 which regulates the displacement of each movable plate 25 and 26 in the direction away from the rotating body 9 is supported. The displacement restricting device 46 includes a first restricting portion 47 that regulates displacement of the movable plate 25 in a direction away from the support 2, and a direction in which the movable plates 25 and 26 are separated from each other. It has the 2nd control part 48 which regulates a displacement. The first restricting portion 47 is provided on the support 2, and the second restricting portion 48 is provided between the movable plates 25 and 26.

The first restricting portion 47 is fixed to the support fixing portion 5 and screwed to each of the plurality of fixing rods 49 and each of the fixing rods 49 slidably passed through one of the movable plates 25. And the contact nut 50 which is a stop which regulates the displacement of the movable plate 25 by abutting on the movable plate 25. Each fixed rod 49 extends in the direction along the central axis of the frame portion. In addition, in each fixing rod 49, the stop nut 51 for preventing the displacement of the contact nut 50 with respect to the fixing rod 49 is screwed together. Moreover, the displacement amount with respect to the support body 2 of the movable plate 25 can be adjusted by adjustment of the screw engagement amount with respect to the fixing rod 49 of the contact nut 50. As shown in FIG.

The plurality of through bolts 52 fixed to the other movable plate 26 and slidably passed through the support plate 7 and the one movable plate 25, respectively, are provided with the second restricting portion 48. It has a contact nut 53 which is screwed to the front-end | tip of the through-bolt 52, and contacts the movable plate 25, and prevents the expansion of the space | interval between each movable plate 25 and 26. FIG. Each through bolt 52 extends in the direction along the central axis of the frame portion. In addition, a stop nut 54 for screwing the displacement of the contact nut 53 with respect to the through bolt 52 is screwed into the distal end of each through bolt 52. In addition, the displacement amount of the movable plate 26 with respect to the movable plate 25 can be adjusted by adjusting the amount of screwing with respect to the through bolt 52 of the contact nut 53.

FIG. 5 is a cross-sectional view showing the hoist of the elevator when the braking operation of the electromagnetic brake device 24 of FIG. 2 is released. In the figure, when the braking operation of the electromagnetic brake device 24 is released, the brake linings 27 and 28 are opened from the braking surface of the sheave portion 10. Moreover, the 1st displacement part 34 and the 2nd displacement part 35 are pressurized in the direction which mutually fell by the electricity supply to the electromagnetic coil part 45. FIG. In addition, the movable plate 25 is in contact with either of the contact nuts 50 and 53.

In this example, the gap between the brake lining 27 and the sheave portion 10 and the brake lining 28 when the movable plate 25 is in contact with either of the contact nuts 50 and 53. The amount of screwing on the fixing bar 49 of the abutment nut 50 and the screw on the through bolt 52 of the abutting nut 50 so that the distance between the sheave portion 10 and the sheave portion 10 is equal to each other. The amount of binding is adjusted.

Next, the operation will be described. When the motor 20 is energized, the rotating body 9 is rotated with respect to the support body 2 about the center axis of a frame part. As a result, each main rope is moved to move up and down the car and the balance additional hoistway.

Moreover, in the state in which the electricity supply to the electromagnetic coil part 45 is stopped, the 1st displacement part 34 and the 2nd displacement part 35 are attracted mutually by the magnetic force of the permanent magnet 37 for brakes. Thereby, the 1st displacement part 34 and the 2nd displacement part 35 are displaced in the direction which mutually approaches. At this time, the inner circumferential surface of the slide member 33 slides on the first displacement portion 34, and the inner circumferential surface of the support fixing portion 5 slides on the second displacement portion 35 together with the slide member 33.

As a result, the movable plates 25 and 26 are displaced in a direction closer to each other. At this time, one of the movable plates 25 is displaced along each of the first guide pins 30, each of the fixing rods 49, and each of the through bolts 52, and the other of the movable plates 26, respectively. It is displaced along each of the second guide pins 31 together with the through bolts 52. As a result, the brake linings 27 and 28 come into contact with the braking surface of the sheave portion 10, whereby the rotation of the rotor 9 is braked.

When energized by the electromagnetic coil part 45, the electromagnetic magnet 43 produces the electromagnetic force which repels the magnetic force of the permanent magnet 37 for brakes. Thereby, the 1st displacement part 34 and the 2nd displacement part 35 are displaced in the direction which mutually fell. Also in this case, the inner peripheral surface of the slide member 33 slides on the first displacement portion 34, and the inner peripheral surface of the support fixing portion 5 slides on the second displacement portion 35 together with the slide member 33. .

As a result, one of the movable plates 25 and the other of the movable plates 26 are displaced from each other. At this time, one movable plate 25 is displaced along each of the first guide pins 30, each of the fixing rods 49, and each of the through bolts 52. In addition, the other movable plate 26 is displaced along each of the second guide pins 31 together with the respective through bolts 52. As a result, the brake linings 27 and 28 are opened from the sheave portion 10, and the braking force applied to the rotating body 9 is released.

Thereafter, one of the movable plates 25 abuts each of the abutting nuts 50, and each of the abutting nuts 53 abuts on one of the movable plates 25. As a result, the interval between the brake lining 27 and the sheave portion 10 and the interval between the brake lining 28 and the sheave portion 10 become equal to each other, and thus, to the electromagnetic coil portion 45. Each movable plate 25 and 26 is hold | maintained by continuing electricity supply.

In addition, adjustment of the displacement amount of each of the movable plates 25 and 26 is a screwing amount with respect to the fixing rod 49 of the contact nut 50, and the screw with respect to the through-bolt 52 of the contact nut 53. By adjusting the amount of bonding, respectively. Moreover, adjustment of the braking force with respect to the rotating body 9 is performed by adjusting the screw engagement amount with respect to the screw hole 40 of the screw rod part 39. FIG.

In the hoist of such an elevator, the sheave part 10 of the rotating body 9 is provided so that the frame part 6 may be enclosed in the radially outer side of the round annular frame part 6, and the rotor part ( 11 is provided inside the radial direction of the frame part 6, and since the motor 20 is provided between the frame part 6 and the rotor part 11, the sheave part 10 and the rotor part 11 The frame part 6 and the motor 20 can be arranged side by side with respect to the radial direction, and the thickness dimension of the hoist which is a dimension with respect to the direction along the central axis of the frame part 6 can be made small.

Moreover, since the motor 20 is provided between the frame part 6 and the rotor part 11, the space between the frame part 6 and the rotor part 11 is effective as an installation space of the motor 20. Available.

Moreover, the motor 20 is provided in the permanent magnet 21 for motors provided in the rotor part 11 and the frame part 6 along the circumferential direction of the frame part 6, and the permanent magnet 21 for motors 21 is provided. Since the stator coil 22 opposed to the stator coil 22 needs to be energized, the stator coil 22 that needs to be energized is not rotated by the rotation of the rotor 9, and the degradation of the reliability of the motor 20 can be prevented.

In addition, the pair of movable plates 25 and 26 facing each other so as to sandwich the rotating body 9 is provided with brake linings 27 and 28 which are foldable on the rotating body 9, so that the support 2 Since the opening part 4 is provided with the electromagnetic drive body 29 which displaces each movable plate 25 and 26, the brake linings 27 and 28 can be made to contact the outer peripheral part of the rotating body 9, and The braking torque applied to the whole 9 can be increased. Therefore, the driving force of the electromagnetic drive body 29 which displaces each movable plate 25 and 26 can be made small, and the electronic drive body 29 can be miniaturized. Thereby, miniaturization of the whole hoisting machine can be aimed at.

Moreover, since the electromagnetic drive body 29 has the 1st displacement part 34 containing the permanent magnet 37 for brakes, and the 2nd displacement part 35 containing the electromagnetic magnet 43, the electromagnetic magnet 43 The second displacement part 35 can be repulsed with respect to the brake permanent magnet 37 by energization to the brake, and the magnetic force of the brake permanent magnet 37 is stopped by stopping the energization to the electromagnetic magnet 43. The first displacement part 34 and the second displacement part 35 may be attracted to each other. Thereby, components, such as a pressure spring which presses in the direction in which the 1st displacement part 34 and the 2nd displacement part 35 mutually fall, can be eliminated, and the electronic drive body 29 can be further miniaturized. .

Moreover, the 1st displacement part 34 has the adjustment member 36 interposed between the brake permanent magnet 37 and the movable plate 25, The adjustment member 36 has the movable plate 25 Since the position with respect to can be adjusted, even when the brake linings 27 and 28 wear, for example, the position with respect to the movable plate 25 of the permanent magnet 37 for brakes can be adjusted, and an electromagnetic magnet The magnitude | size of the magnetic force received from the permanent magnet 37 for brakes can be adjusted. Thereby, the braking force applied to the rotating body 9 can be adjusted.

Moreover, since the displacement of the 1st displacement part 34 and the 2nd displacement part 35 is guided by the support fixing part 5, each movable plate 25 and 26 can be displaced more reliably.

Moreover, since the displacement control apparatus 46 which controls the displacement of each movable plate 25 and 26 in the direction which falls from the rotating body 9 is supported by the support body 2, each movable plate 25 and 26 is supported. The amount of displacement can be regulated, the enlargement of the thickness dimension of the hoisting machine can be prevented, and the displacement operation of each of the movable plates 25 and 26 can be more ensured.

In addition, the displacement restricting device 46 is a direction in which the first restricting portion 47 that regulates the displacement in the direction falling from the support 2 of the movable plate 25 and the movable plates 25 and 26 are separated from each other. Since it has the 2nd limitation part 48 which regulates the displacement to the furnace, the displacement amount of each movable plate 25 and 26 can be regulated with a simple structure.

In the above example, the motor 20 is provided between the frame portion 6 and the rotor portion 11, and the bearings 14 and 15 are disposed between the frame portion 6 and the sheave portion 10. Although provided, the bearings 14 and 15 are provided between the frame part 6 and the rotor part 11, and even if the motor 20 is provided between the frame part 6 and the sheave part 10. good. Even in this way, the sheave part 10, the rotor part 11, the frame part 6, and the motor 20 can be arranged side by side with respect to the radial direction, and the thickness dimension of a hoist can be made small. In this case, the motor permanent magnet 21 is provided on the inner circumferential surface of the sheave portion 10, and the stator coil 22 is provided on the outer circumferential surface of the frame portion 6.

In the above example, the first displacement part 34 is integrally displaced by one movable plate 25, and the second displacement part 35 is displaced integrally with the other movable plate 26. However, by replacing the first displacement part 34 and the second displacement part 35, the first displacement part 34 is displaced integrally with the other movable plate 26, and the second displacement part 35 is It may be integrally displaced with one movable plate 25. Even in this way, the movable plates 25 and 26 can be displaced by the electromagnetic drive body 29. In this case, the 1st displacement part 34 is able to adjust the position with respect to the other movable plate 26 by the adjustment member 36.

In addition, in the above example, the shape of the support fixing portion 5 is a round annular shape, but the first displacement portion 34 and the second displacement portion 35 may be guided. You may also do it. Moreover, you may make the support fixing part 5 a pair of rail which mutually opposes.

Moreover, in the above example, the 1st control part 47 which regulates the displacement to the direction which falls from the support body 2 of the movable plate 25 is provided in the support body 2, and each movable plate 25 and 26 is provided. Although the 2nd limitation part 48 which regulates the displacement in the direction in which it mutually falls is provided between each movable plate 25 and 26, only the displacement in the direction away from the support body 2 of the movable plate 26 is regulated. You may provide the 2nd restriction | limiting part made to the support body 2. As shown in FIG. That is, only the displacement in the direction away from the support 2 of the movable plate 25 is regulated by the first restricting portion, and only the displacement in the direction away from the support 2 of the movable plate 26 is restricted to the second restriction portion. May be regulated.

Moreover, in the above example, although the shape of the brake linings 27 and 28 becomes a round ring shape, the plurality of brake linings 27 and 28 arrange | positioned at intervals in the circumferential direction of each movable plate 25 and 26 is provided. May be used as the brake lining piece.

Thus, this invention can be utilized for the hoist of an elevator provided in a hoistway.

Claims (9)

A support having a round annular frame portion, It is provided so as to surround the frame part in the radially outer side of the frame part, and a round annular sheave part wound around the outer circumferential part of the frame part, a round annular rotor part installed inside the radial direction of the frame part, and the frame part A rotating body having an induction part for fixing the sheave part and the rotor part to each other, supported by the frame part, and rotatable about a central axis of the frame part; and A hoist of an elevator, disposed inside the radial direction of the sheave portion, and provided with a motor for rotating the rotating body relative to the frame portion. The method of claim 1, Said motor is provided in any one between the said frame part and the said sheave part, and between the said frame part and the said rotor part, The hoisting machine of the elevator characterized by the above-mentioned. The method of claim 2, The motor hoist according to the circumferential direction of the frame portion has a permanent magnet for a motor provided in the rotating body, and a stator coil provided in the frame portion and opposing the permanent magnet for the motor. The method according to any one of claims 1 to 3, A pair of movable plates which are displaceable with respect to the support body in a direction along the central axis of the frame portion and opposed to each other so as to sandwich the rotating body, and provided on each of the movable plates, Brake lining to be folded to the rotating body by the displacement, and is installed inside the rotor in the radial direction, so as to displace each movable plate in the direction in which the brake lining is folded to the rotating body. An traction machine for an elevator, further comprising an electromagnetic brake device having an electromagnetic drive body. The method of claim 4, wherein The electromagnetic drive body includes a first displacement portion integrally displaced with any one of the pair of movable plates including a permanent magnet for brakes, and an electromagnetic magnet facing the permanent magnet for brakes. Has a second displacement portion which is integrally displaced with the other of the movable plates, The first displacement portion and the second displacement portion are opposed to each other by energization to the electromagnetic magnet and are displaced in directions away from each other, and are attracted to each other by stopping energization to the electromagnetic magnet and close to each other. To be displaced into In the pair of movable plates, the brake lining is displaced in a direction in which the brake lining falls from the rotating body by displacements of the first displacement portion and the second displacement portion in a direction away from each other, and the first displacement portion and the second displacement portion are provided. An elevator hoisting machine, characterized in that the brake lining is displaced in a direction in contact with the rotating body by displacement in a direction in which the displacement portions come closer to each other. The method of claim 5, The first displacement portion further has an adjustment member interposed between the brake permanent magnet and the movable plate, The said adjustment member is provided in the said movable plate so that the position with respect to the said movable plate with respect to the direction along the center axis line of the said frame part can be adjusted, The distance between the brake permanent magnet and the movable plate is adjustable by adjusting the position of the adjustment member relative to the movable plate. The method of claim 4, wherein Said support body further has a support fixing part which guides the said 1st displacement part and the said 2nd displacement part in the direction along the center axis of the said frame part, The hoisting machine of the elevator characterized by the above-mentioned. The method of claim 4, wherein The hoisting machine of the elevator characterized by the above-mentioned support body being supported by the displacement control apparatus which regulates the displacement of the pair of movable plates in the direction which falls from the said rotating body. The method of claim 8, The displacement limiting device is provided on the support, and is provided between the first restricting portion that regulates displacement in a direction falling from the support of any one of the pair of movable plates, and the pair of movable plates, The hoisting machine of an elevator characterized by having a 2nd control part which regulates the displacement in the direction which each said movable plate falls from each other.

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