WO2006064554A1 - Appareil de levage pour ascenseur - Google Patents

Appareil de levage pour ascenseur Download PDF

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Publication number
WO2006064554A1
WO2006064554A1 PCT/JP2004/018718 JP2004018718W WO2006064554A1 WO 2006064554 A1 WO2006064554 A1 WO 2006064554A1 JP 2004018718 W JP2004018718 W JP 2004018718W WO 2006064554 A1 WO2006064554 A1 WO 2006064554A1
Authority
WO
WIPO (PCT)
Prior art keywords
elevator
rotating shaft
sheave
hoisting machine
base
Prior art date
Application number
PCT/JP2004/018718
Other languages
English (en)
Japanese (ja)
Inventor
Naoyuki Maruyama
Eiji Ando
Original Assignee
Mitsubishi Denki Kabushiki Kaisha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Denki Kabushiki Kaisha filed Critical Mitsubishi Denki Kabushiki Kaisha
Priority to PCT/JP2004/018718 priority Critical patent/WO2006064554A1/fr
Priority to CN200480042257.8A priority patent/CN1926052B/zh
Priority to EP04807077.5A priority patent/EP1845051B1/fr
Priority to JP2006548608A priority patent/JP4725521B2/ja
Publication of WO2006064554A1 publication Critical patent/WO2006064554A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
    • B66B11/0438—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with a gearless driving, e.g. integrated sheave, drum or winch in the stator or rotor of the cage motor

Definitions

  • the present invention relates to an elevator hoisting machine having a base and an electric motor, driving a driving sheave, and having a thin outer shape in a rotational axis direction of the driving sheave. is there.
  • a rotor is pivotally attached to a fixed shaft that is erected from a column portion of a base body that opens in one side and that is open to one side via a bearing. Then, a stator winding of the electric motor is provided inside the base body, and a field magnet arranged opposite to the stator winding is fixed to the rotor, and the stator winding and the field magnet are connected to each other. It constitutes a disk-type electric motor.
  • the drive sheave forms an integral structure with the rotor and is arranged outside the opening side of the base.
  • the column portion of the base that supports the suspension load acting on the driving sheave by the main rope is disposed at a position away from the driving sheave.
  • the rotor is provided with a brake disk, and a brake corresponding to the brake disk is provided.
  • a supporter is attached to the column of the base placed at a position away from the drive sheave for installation on the machine room frame. This supporter consists of a plate-like base, support plate and bracket, and is fixed to the platform in the machine room by deviating from the range of the suspension load acting on the drive sheave by the main rope. (For example, see Patent Document 1)
  • a bowl-shaped rotation is formed on a fixed shaft that is erected from the bottom surface of the base body, that is, the column portion, that opens to one side to the inside of the base body.
  • the child is pivoted.
  • the rotor is disposed in a fitted state in the base body, and the bottom surface is disposed to face the column portion of the base body.
  • the driving sheave forms an integral structure with the rotor, and is disposed inside the base and covered with the base.
  • a stator winding of the electric motor is provided on the inner peripheral portion of the base, and a field magnet disposed opposite to the stator winding is fixed to the rotor, and the electric motor is composed of the stator winding and the field magnet.
  • a braking surface is formed on the inner peripheral surface of the rotor, and a braking device having a braking piece arranged to face the braking surface and performing a braking operation is provided. ing. (See Patent Document 2)
  • Patent Document 1 Japanese Patent Publication No. 8-511758 (page 11, Fig. 4)
  • Patent Document 2 JP 2000-289954 A (Page 3-5, Fig. 2, Fig. 5)
  • the base column is disposed at a position away from the drive sheave, and the rotor and the drive sheave are formed in a body. Since there is only a rotating part on the side, it is necessary to attach a supporter to the column of the base on the opposite side of the drive sheave when trying to fix the lifting machine in the machine room. And this supporter deviates from the range of the suspension load which acts on the driving sheave by the main rope and is fixed in the machine room. For this reason, the overturning moment due to the suspension load acts on the supporter, the entire hoisting machine tilts, and the driving sheave tilts. This causes a relative inclination between the main rope and the ropeway of the driving sheave.
  • the base column is disposed on the drive sheave side, and the base mounting part is within the range of the suspension load, and the above-described problems Hanare.
  • the drive sheave and the rotor are formed in a body and are supported by a fixed shaft that is erected from the pillar portion of the base toward the inside of the base, the inside of the base that houses the electric motor is provided.
  • a drive sheave is arranged, and the base covers the drive sheave. Therefore, there are problems s described below.
  • the elevator has a cage and a counterweight installed in the hoistway, the main rope is wound around the driving sheave, and the suspended main rope is suspended from the elevator and the counterweight. As the sheaves rotate, the car and the counterweight are raised and lowered in a vine-like manner.
  • an elevator in which a hoisting machine is installed in a machine room hangs a main rope 18 at the center of gravity (approximately the center of the width) of the car 19 and the counterweight 20 as shown in FIG. WD to wear Separately from the main wheel 4, the main rope 18 is hung on the wheel 21 and the distance between the main ropes 18 is increased. Therefore, in order to cope with various car sizes, that is, hoistway sizes, it is necessary to change the horizontal distance between the driving sheave 4 and the solasse wheel 21. At this time, the pull-out angle of the main rope 18 pulled out from the drive sheave 4 changes according to the mounting position of the sorase wheel 21.
  • the drive sheave 4 is disposed in the base body, and the outlet of the main rope 18 is disposed at a position where the main rope 18 is substantially suspended. For this reason, when the pulling angle of the main rope 18 is changed by the wheel 21, the base and the main rope 18 may interfere with each other. For this reason, it cannot be applied to various car sizes. Further, in order to be applicable to various car sizes, it is necessary to widen the outlet of the main rope 18 of the base, but on the other hand, the strength of the base is lowered. In addition, it is necessary to make the substrate strong in order to compensate for the decrease in strength of the substrate, resulting in a decrease in installation property and uneconomical due to an increase in size.
  • the present invention has been made in order to solve the problem of power, and it is an object of the present invention to provide a lifting machine for an elevator that is compact, lightweight, highly rigid and comfortable to ride.
  • the purpose is to obtain a lifting machine for an elevator that can be applied to various hoistway sizes in combination with a car.
  • an electric motor is attached adjacent to the pillar portion of the base body, a pivot attachment portion for pivoting the rotating shaft of the electric motor is provided in the vicinity of the pillar portion, and a driving sheave is provided. It is placed outside the base on the opposite side of the motor, adjacent to the column, and fixed to one end of the rotating shaft, and the rotor with the field magnet of the motor is placed outside the pivot joint. It is fixed to the other end of the rotating shaft.
  • the present invention it is possible to reduce the moment due to the suspension load acting on the drive sheave to the base body S. For this reason, it is possible to reduce the inclination of the entire lifting machine, that is, the inclination of the driving sheave, without increasing the size of the base, and to obtain an elevator lifting machine that is small and light and that is comfortable to ride.
  • FIG. 1 is a diagram showing a front view of an elevator hoist apparatus according to Embodiment 1 of the present invention.
  • FIG. 2 is a cross-sectional view taken along the line AA in FIG.
  • FIG. 3 is a diagram showing a bottom view of the elevator hoist apparatus according to Embodiment 1 of the present invention.
  • FIG. 4 is a diagram showing the action of the lifting load of the elevator hoisting machine according to the first embodiment of the present invention.
  • FIG. 5 is a diagram showing another example of application of the elevator hoist apparatus according to Embodiment 1 of the present invention.
  • FIG. 6 shows an elevator hoist apparatus according to Embodiment 2 of the present invention.
  • FIG. 7 shows an elevator hoist apparatus according to Embodiment 3 of the present invention.
  • FIG. 8 is a front view of an elevator hoist apparatus according to Embodiment 4 of the present invention.
  • FIG. 9 is a cross-sectional view taken along the line BB in FIG.
  • FIG. 10 is a diagram showing a normal elevator.
  • FIG. 1 to 3 are views showing Embodiment 1 of the present invention, in which FIG. 1 is a front view, FIG. 2 is a cross-sectional view taken along line A 1 A in FIG. 1, and FIG.
  • the base 1 is attached to a gantry not shown.
  • the first mounting portion la and the second mounting portion lb are provided, and a column portion lc is provided so as to be erected from the first mounting portion la and the second mounting portion lb, and the column portion lc has a cylindrical shape.
  • the concave portion Id to be formed is formed into a body, and a boss portion le forming a cylindrical shape is formed into a body at the center.
  • a rib If is integrally formed with the pillar portion lc of the base body 1 in the boss portion le.
  • the boss portion le houses the bearing 2 that is a pivot portion, and the rotary shaft 3 is pivotally supported by the bearing 2.
  • the bearing 2 is disposed in the vicinity of the column portion lc.
  • the bearing 2 is a general ball bearing that receives a load in a radial direction by rotating a spherical ball across a horizontal transfer surface.
  • the driving sheave 4 on which the main rope 18 is strung is disposed on the outer side of the base 1 adjacent to the column part lc of the base 1, and is fixed to one end of the rotary shaft 3 by shrink fitting.
  • the drive sheave 4 is formed with a plurality of rope grooves 4 a so as to engage with the plurality of main ropes 18.
  • the fixing of the drive sheave 4 and the rotary shaft 3 by shrink fitting is not limited to this.
  • the shaft end of the rotary shaft 3 is formed in a tapered shape so that the tip is thin, and the drive sheave 4 is pressed. Any means can be used as long as it can be fixed.
  • a rotor 5 provided with a recess opened on the side opposite to the opening side of the base 1 is disposed outside the bearing 2 in the axial direction and is fixed to the other end of the rotating shaft 3. Further, the other end portion of the rotating shaft 3 is formed in a flange shape, and the rotor 5 is fixed by a bolt 6a.
  • the fixing of the rotating shaft 3 and the rotor 5 is not limited to this, and any means such as fixing by shrink fitting may be used. Further, although the rotor 5 is arranged outside the bearing 2 in the axial direction and fixed to the other end of the rotation shaft 3, it may be arranged outside the outer circumference of the bearing 2. 3 The other end of the bearing 3 is formed outside the outer circumference of the bearing 2 and the rotor 5 is fixed.
  • the inside of the base body 1 is configured by a field magnet 7 provided on the outer peripheral surface of the concave portion of the rotor 5, and a stator wire 8 disposed to face the field magnet 7.
  • An electric motor 9 is provided.
  • the first mounting portion la is formed to protrude from the column portion lc to the drive sheave 4 side, and the second mounting portion lb is formed to protrude from the column portion lc to the electric motor 9 side.
  • the first mounting portion la is integrally formed of a rib lg and a rib lh formed so as to protrude toward the drive sheave 4 side.
  • the first attachment portion la is formed so that its axial position includes the range of the sheave groove 4a of the drive sheave 4 when viewed from the horizontal direction. That is, in the axial direction, the main rope 18 It is formed so as to include the range of the downward suspension load acting on the groove 4a.
  • the mounting portion constituted by the entire second mounting portion 1b and the first mounting portion 1a projecting toward the motor 9 includes the range of the suspended load in the axial direction.
  • the rib lg is formed so as to overlap with the driving sheave 4 on the projection viewed from the horizontal direction.
  • the second mounting portion lb is integrally formed of a rib lj and a rib lk formed so as to protrude from the outer peripheral surface of the cylindrical recess Id toward the lower surface. ing.
  • the width Le of the first mounting portion la is smaller than the diameter of the driving sheave 4, that is, the diameter Ld of the main rope 18 that is hooked against the rope groove 4 a. Is formed.
  • the base body 1 is attached to the pedestal with bolts 6b and 6c via the first attachment portion la and the second attachment portion lb.
  • the mounting holes 10a and 10b in FIG. 3 are mounting holes for mounting the bolts 6b and 6c, and are formed in the first mounting portion la and the second mounting portion lb, respectively.
  • a braking rotator 11 having a braking surface 11a is provided on the outer peripheral portion of the rotor 5, and the braking rotator 11 is fastened by a bolt 6d.
  • the base body 1 is formed with a brake mounting portion In, and the brake 12 is fixed to the brake mounting portion In with a bolt 6e.
  • a braking piece 12a of the brake 12 is disposed so as to face the braking surface 11a of the braking rotator 11. The braking piece 12a pushes the braking surface 11a backward with respect to the braking surface 11a by deactivating and energizing the brake.
  • the elevator hoisting machine of the present embodiment is equipped with a rotation detector 13 for detecting the rotational positions of the drive sheave 4 and the rotor 5, and is connected to the rotary shaft 3. It is driven by the rotating shaft 13a.
  • the rotation detector 13 is attached to a mounting plate 14 fixed to the rib lg of the base 1 by bolts 6f.
  • the elevator hoisting machine of the present embodiment is filled with a lubricant 15 for lubricating the bearing 2.
  • Bearing covers 16a and 16b are mounted on both sides of the boss le, and the bearing covers 16a and 16b are mounted on the bearings 16a and 16b with force S 17a and 17b force S.
  • the bearing covers 16a and 16b and the oil seals 17a and 17b Lubricant 15 is sealed.
  • a main rope 18 is hung on the drive sheave 4.
  • the main rope 18 suspends an elevator car 19 and a counterweight 20.
  • the suspension position should be at the center of gravity. Ri 20 can move up and down smoothly without bias.
  • the weights of the car 19 and the counterweight 20 are located approximately in the center in the width direction, and the main rope 18 is arranged in the width direction of the car 19 and the counterweight 20 as shown in FIG. Suspended around the center of
  • the width W of the car 19 is set so that the main rope 18 larger than the diameter Ld of the driving sheave 4 is hung on the driving sheave 4 and the car 19 is suspended while hanging down.
  • a separate wheel 21 is provided separately from the driving sheave 4, and the main rope 18 is hung over the driving sheave 4 and the first wheel 21 to be hung so as to fit the size of the car 19.
  • the distance S between the main ropes 18 is increased.
  • the wheel 21 has a main shaft (not shown) at the center, and is rotated around this main shaft.
  • the main rope 18 is composed of a plurality of ropes, and is strung over the plurality of ropes 4a.
  • FIG. 4 schematically shows the action of the suspension load.
  • the suspension loads by the plurality of main ropes 18 act on the plurality of rope grooves 4a of the driving sheave 4 respectively, and equivalently, all the suspension loads F act on the central portions of the plurality of rope grooves 4a.
  • This suspension load F acts on the rotary shaft 3 via the drive sheave 4.
  • a moment Ml due to the suspension load F separated from the bearing 2 supporting the rotary shaft 3 to L1 acts on the rotary shaft 3.
  • This moment Ml acts on the boss le.
  • the moment Ml acting on the boss le is supported by the rib If and the column part lc.
  • a moment M2 due to the suspension load F that is separated from the column part lc to L2 acts on the entire column part lc.
  • the moment M2 acts on the first mounting portion 1a and the second mounting portion lb attached to the gantry via the column portion lc, and is supported by the gantry.
  • the first mounting portion la is integrally formed by the rib lg and the rib lh, and the moment M2 is supported in all the portions formed by the first mounting portion la, the rib lg and the rib lh.
  • the second mounting portion lb is integrally formed of the rib lj and the rib lk, and the moment M2 is supported in all the portions formed by the second mounting portion lb, the rib lj and the rib lk.
  • the column part lc has a concave part Id, and the moment M2 acting on the column part lc is also supported by the concave part Id.
  • the driving sheave 4 is adjacent to the vicinity of the column portion 1c of the base body 1, so that the main rope 18 exerts a force on the driving sheave 4.
  • the distance L2 between the suspended load F and the column part lc becomes smaller, and the force S can be applied to the moment M2 due to the suspended load F to the column part lc.
  • the moment M2 acting on the first mounting portion la and the second mounting portion lb integrally formed with the column portion lc can be reduced.
  • the inclination of the entire hoisting machine that is, the inclination of the driving sheave 4
  • the elevator is operated, that is, driven.
  • the sheave 4 is rotated, the main rope 18 enters the leve groove 4a, and an unbalanced load due to the relative inclination of the main rope 18 and the leve groove 4a is not applied. be able to.
  • there is no wear on the rope groove 4a due to uneven load so it is possible to obtain a highly reliable elevator hoist.
  • the column part lc, the first mounting part la, and the second mounting part lb have a small moment M2 acting on them, so that they can be formed small, and are compact, lightweight, easy to install and economical. You can get a superior machine.
  • the first mounting portion la is formed in the vicinity of the driving sheave 4 from the pillar portion lc, and the mounting portion constituted by the second mounting portion lb and the entire first mounting portion la is suspended in the axial direction. Since it includes the load range, it is possible to prevent the lifting machine from overturning due to the lifting load without lengthening the first mounting part la in the axial direction. Therefore, an elevator hoisting machine having a small size and light weight and a stable mounting state can be obtained.
  • the first mounting portion la has a rib lg and a rib lh integrally formed with the column portion lc
  • the second mounting portion lb has a rib lj and a rib lk.
  • the bearing 2 is arranged in the vicinity of the column part lc and the driving sheave is arranged adjacent to the column part lc, the distance L1 between the bearing 2 and the suspension load F can be reduced.
  • the moment Ml acting by can be reduced. Therefore, the deformation of the column part lc and the boss le is reduced, and the inclination of the rotating shaft 3, that is, the inclination of the driving sheave 4, can be reduced, and an elevator hoisting machine having a comfortable ride and high reliability can be obtained. Can do.
  • the rib If is integrated with the column part lc on the boss le that houses the bearing 2, the force S can reduce the deformation of the boss le due to the moment Ml, making it more comfortable and reliable. It is possible to obtain an elevator hoist with high height.
  • the moment Ml is small, the reaction force acting on the bearing 2 can be reduced, and the life of the bearing 2 can be extended, and a highly reliable lifting machine for an elevator can be obtained.
  • the bearing 2 is a general ball bearing in which a spherical ball rotates by rolling on a horizontal transfer surface and receives a load in a radial direction.
  • an angular contact ball bearing in which the ball is formed obliquely, receives the load obliquely, and a spherical ball rolls around the transfer surface can be used.
  • the distance between the support points of the reaction force acting on the bearing can be equivalently increased, and the moment due to the suspension load is supported by the wide distance between the support points, so that it further acts on the bearing.
  • the reaction force is reduced, deformation due to the ball moment of the bearing is reduced, and the life of the bearing 2 can be extended.
  • the bearing 2 can also be configured as a tapered roller type in which the transfer surface is obliquely formed in the shape of a letter C in the cross-sectional view of the lower half of the figure, and a cylindrical roller is rolled.
  • the deformation due to the moment of the roller is small, the deformation is further smaller than the angular ball bearing, and the life of the bearing 2 is extended. As a result, it is possible to obtain an elevator hoisting machine that is more comfortable and reliable.
  • the driving sheave 4 is fixed to the rotating shaft 3 and disposed outside the base body 1 adjacent to the column portion lc, there is no covering around the driving sheave 4. 18 is not subject to the restriction of the mounting position of the sorase wheel 21 that does not interfere with the base 1 without being restricted by the outlet. Therefore, it becomes possible to cope with various car sizes, that is, hoistway sizes. Also drive Since there is nothing to cover around the sheave 4, when installing the main rope 18, an intermediate part that does not need to be wound from the end of the main rope 18 is formed in a U shape when it is wrapped around the drive sheave 4 As it is, it is hung on the driving sheave 4 so that the main rope 18 can be easily laid.
  • the work can be confirmed visually from the outside, and workability is good. Also, during maintenance inspection, the drive sheave 4 can be visually confirmed from the outside, and it is easy to perform inspection and inspection work such as the state of wear of the rope groove 4a and adhesion of foreign matter.
  • FIG. 5 shows an example in which the elevator hoisting machine of this embodiment is applied to another elevator.
  • Fig. 1 shows the force when the elevator car 21 is applied and the elevator roping is configured at 1: 1.
  • the elevator roving is configured at 2: 1 and the Eliminates the need for car 21 and can handle elevators with small suspension loads.
  • an elevator with a relatively small capacity can be used for an elevator with a simple structure in which the hanging position of the car 19 is eccentric and there is no sorase wheel 21.
  • this embodiment can respond to various elevators.
  • the drive sheave 4 and the electric motor 9 are disposed adjacent to the column part lc of the base 1, and the bearing 2 is provided in the vicinity of the column part lc. Since the rotor 5 is arranged outside the bearing 2 and fixed to the other end of the rotating shaft 3 pivoted on the bearing 2, it is thin and lightweight without increasing the axial length, and An elevator hoisting machine that can save space can be obtained.
  • the drive sheave 4 and the rotary shaft 3 are fixed by shrink fitting as shown in Fig. 2 so that a predetermined shaft length is required to obtain a desired fastening force. is there.
  • the other end of the rotary shaft 3 is formed in a flange shape, and the rotor 5 is fixed to the flange portion with the bolt 6a, so that the bolt fixing distance can be increased and the shaft length is short and securely tightened. it can.
  • an elevator hoisting machine that is thinner and saves space can be obtained.
  • a braking rotator 11 is provided on the outer peripheral portion of the rotor 5, and a brake 12 corresponding to this is provided as a base. Since it is constructed on the outer periphery of 1, the elevator hoisting machine with a brake that does not increase the axial dimension of the main part of the hoisting machine, and is thin and lightweight and can be saved in space.
  • FIG. 6 shows a second embodiment of the present invention.
  • a part of the bearing 2a is arranged so as to overlap on the projection viewed from the radial direction of the rotating shaft 3a as compared with the first embodiment.
  • one end of the rotating shaft 3a is formed in a flange shape, and the driving sheave 4b is fixed to the flange with a bolt 6g, and the other end of the rotating shaft 3a is fixed to the rotor 5a by shrink fitting. It is a thing.
  • the same reference numerals as those in Embodiment 1 denote the corresponding parts.
  • a part of the bearing 2a is arranged so as to overlap on the projection seen from the radial direction of the rotating shaft 3a, so the distance between the bearing 2a and the suspension load F L3 becomes smaller and the bending moment acting on the rotating shaft 3a becomes smaller. Thereby, the shaft diameter of the rotating shaft 3a can be reduced. Further, since the reaction force acting on the bearing 2a is reduced, the bearing 2a can be reduced in size and life, and the moment acting on the boss le and the column part lc is also reduced. As described above, it is possible to obtain an elevator hoisting machine that has the same effects as those of the first embodiment and that is lighter, more comfortable to ride, and high in reliability.
  • one end of the rotating shaft 3a is formed in a flange shape, and the drive sheave 4b is fixed to the flange portion with a bolt 6g.
  • the driving sheave 4b can be securely fastened, the driving sheave 4b can be replaced, and the work is facilitated.
  • the drive sheave 4b needs to be replaced, for example, when foreign matter adheres to the leve groove 4a due to an unexpected situation and the rope groove 4a is damaged.In this embodiment, only the drive sheave 4b is replaced. Can be useful.
  • FIG. 7 shows Embodiment 3 of the present invention.
  • the rotor 5 and the braking rotator 11 of FIG. 2 are formed integrally with the first embodiment, and includes a rotor 5b having a braking surface 11a.
  • the same reference numerals as those in Embodiment 1 denote the corresponding parts.
  • this embodiment is shown for the first embodiment, it is different from the second embodiment.
  • a structure in which the rotor 5a and the brake rotor 11 are integrally formed can be configured.
  • FIG. 8 and 9 show Embodiment 4 of the present invention
  • FIG. 8 is a front view
  • FIG. 9 is a cross-sectional view taken along line BB in FIG.
  • a protective cover 22 for protecting the drive sheave 4 is provided with respect to the first embodiment, and the same reference numerals as those in the first embodiment denote corresponding parts.
  • the protective cover 22 is formed so as to cover the drive sheave 4 and the main rope 18 drawn out from the sheave 4, and is fixed to the base body 1 by bolts 6h.
  • FIG. 8 shows a case in which there is a solar wheel 21, and the protective cover 22 has a fan shape and is formed so as to cover the main rope 18 drawn out from the drive sheave 4.
  • the protective cover 22 has a U shape and can be formed so as to cover the main rope 18 drawn out from the driving sheave 4 in the same manner.
  • the protective cover 22 can be similarly provided for the second and third embodiments.
  • the protective cover 22 is attached so as to cover the driving sheave 4 and the main rope 18 drawn from the driving sheave 4, so that it can be driven during maintenance and inspection. Even if the inspector's hand approaches the sheave 4 inadvertently, the inspection work can be performed with peace of mind because the main entrance 18 of the main rope 18 to the rotating drive sheave 4 or the tug groove 4a is not touched. it can. Further, foreign matters such as dust can be prevented from entering the drive sheave 4 from the outside, and a highly reliable elevator hoist can be obtained. Furthermore, when inspecting the drive sheave 4, the protective cover 22 can be easily removed by removing the bolt 6h, and the preparation time before inspection can be shortened.
  • a plurality of perforations may be provided on the surface of the protective cover 22.
  • the driving sheave 4 inside the protective cover 22 can be visually confirmed from the outside, and the protective cover 22 is attached. Confirmation and inspection work of the drive sheave 4 becomes possible.
  • the elevator hoisting machine includes the car 19 and the counterweight.
  • the main rope 18 that suspends the rail 20 is hung, and is suitable for use in a drive device that drives the main rope to raise and lower the car 19 and the counterweight 20.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

La présente invention décrit un appareil de levage pour un ascenseur, réduit et léger, présentant une rigidité élevée, et fournissant une excellente qualité de transport ; plus particulièrement, un appareil de levage pour un ascenseur, capable d’être adapté à des dimensions variées de cage d’ascenseur en étant associé à une poulie de renvoi dans une salle des machines. Un moteur électrique est installé à côté d’une section de pilier d’un corps de base, une section de support pour supporter de façon rotative un arbre rotatif du moteur est placée près de la section de pilier, et une poulie motrice est prévue à l’extérieur du corps de base, sur le côté opposé du moteur électrique, afin d’être à côté de la section de pilier. En outre, un rotor fixé à une extrémité de l’arbre rotatif et possédant un électro-aimant d’excitation du moteur électrique est placé à l’extérieur de la section de support et fixé à l’autre extrémité de l’arbre rotatif.
PCT/JP2004/018718 2004-12-15 2004-12-15 Appareil de levage pour ascenseur WO2006064554A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/JP2004/018718 WO2006064554A1 (fr) 2004-12-15 2004-12-15 Appareil de levage pour ascenseur
CN200480042257.8A CN1926052B (zh) 2004-12-15 2004-12-15 电梯用曳引机
EP04807077.5A EP1845051B1 (fr) 2004-12-15 2004-12-15 Appareil de levage pour ascenseur
JP2006548608A JP4725521B2 (ja) 2004-12-15 2004-12-15 エレベータ用巻上機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2004/018718 WO2006064554A1 (fr) 2004-12-15 2004-12-15 Appareil de levage pour ascenseur

Publications (1)

Publication Number Publication Date
WO2006064554A1 true WO2006064554A1 (fr) 2006-06-22

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PCT/JP2004/018718 WO2006064554A1 (fr) 2004-12-15 2004-12-15 Appareil de levage pour ascenseur

Country Status (4)

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EP (1) EP1845051B1 (fr)
JP (1) JP4725521B2 (fr)
CN (1) CN1926052B (fr)
WO (1) WO2006064554A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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US20140014443A1 (en) * 2010-10-15 2014-01-16 Keiichi Koroki Hoist
WO2015125266A1 (fr) * 2014-02-21 2015-08-27 株式会社日立製作所 Dispositif d'ascenseur

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JP5347365B2 (ja) * 2008-08-08 2013-11-20 株式会社明電舎 エレベータの巻上装置
FR2949625B1 (fr) * 2009-08-27 2011-09-30 Leroy Somer Moteurs Moteur equipe d'un systeme de freinage
CN106458522B (zh) * 2014-06-05 2018-11-13 三菱电机株式会社 电梯曳引机以及电梯曳引机的绳轮的紧固方法
JP6587586B2 (ja) * 2016-07-05 2019-10-09 株式会社日立製作所 エレベーター用巻上機
JP2019011140A (ja) * 2017-06-29 2019-01-24 株式会社日立製作所 巻上機およびエレベーター

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JP2009155070A (ja) * 2007-12-27 2009-07-16 Meidensha Corp エレベータ用巻上機
US20140014443A1 (en) * 2010-10-15 2014-01-16 Keiichi Koroki Hoist
WO2015125266A1 (fr) * 2014-02-21 2015-08-27 株式会社日立製作所 Dispositif d'ascenseur

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EP1845051B1 (fr) 2015-03-11
CN1926052B (zh) 2012-06-06
EP1845051A4 (fr) 2012-04-18
EP1845051A1 (fr) 2007-10-17
JPWO2006064554A1 (ja) 2008-06-12
JP4725521B2 (ja) 2011-07-13
CN1926052A (zh) 2007-03-07

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