WO2005080251A1 - エレベータ用巻上機 - Google Patents
エレベータ用巻上機 Download PDFInfo
- Publication number
- WO2005080251A1 WO2005080251A1 PCT/JP2004/002172 JP2004002172W WO2005080251A1 WO 2005080251 A1 WO2005080251 A1 WO 2005080251A1 JP 2004002172 W JP2004002172 W JP 2004002172W WO 2005080251 A1 WO2005080251 A1 WO 2005080251A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drive sheave
- housing
- brake
- hoisting machine
- brake device
- Prior art date
Links
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 for hoisting an elevator having a drive sheave around which a main rope is wound.
- an armature winding is fixed to the outer periphery of a fixed shaft fixed to a support frame. ing.
- the drive sheep around which the main rope of the eleporter is wound is rotatably supported by a fixed shaft and a bearing stand.
- a plurality of permanent magnets are fixed to the inner peripheral surface of the drive sheave so as to face the armature winding.
- the drive sheave is rotated about a fixed shaft by the driving force of a motor including an armature winding and a permanent magnet.
- a brake disk that is rotated integrally with the drive sheave is fixed to one end of the horse sheave.
- the bearing stand is equipped with a brake device body.
- the brake device main body brakes the rotation of the brake disk and the drive sheep by sandwiching the brake disk.
- the drive sheave is provided with a detection shaft that rotates integrally with the drive sheave.
- the detection shaft protrudes from the bearing base on the side opposite to the drive sheave.
- An encoder that detects the rotation of the detection shaft is installed on the opposite side of the bearing stand from the drive shaft.
- the encoder since the encoder is disposed on the side opposite to the drive shaft of the bearing base, the encoder projects from the shaft end of the entire hoisting machine, and the overall axial dimension increases. In addition, there was a risk that the encoder could be damaged by collision with other objects while the hoist was being transported. Furthermore, when a greater braking force is required as the motor output increases, the brake disk and the brake device body must be enlarged, which also increases the size of the entire winding machine. I will. Disclosure of the invention
- the present invention has been made to solve the above-described problems, and has as its object to obtain an elevator hoisting machine that can be downsized as a whole.
- An elevator hoisting machine includes a housing having a cylindrical stator mounting portion, a main shaft provided in a housing positioned at the center of the stator mounting portion, and rotatable about the main shaft.
- an elevator hoisting machine comprises a housing, a main shaft fixed to the housing and having a concave portion at one end, a cylindrical drive sheave rotatable around the main shaft, and a driving sheave. It has a motor shaft, a detection shaft whose tip is inserted into the recess and is rotated integrally with the drive sheave, and a rotation detector disposed in the recess and detecting rotation of the detection shaft.
- the elevator hoisting machine is provided with a housing, a cylindrical drive sheave rotatable with respect to the housing, a motor section for rotating the drive sheep, and a drive sheave.
- First and second brake disks that rotate together, a first brake device body provided on the housing, and holding the first brake disc to brake the rotation of the drive sheave, and a first brake device body And a second brake device main body that holds the second brake disc to brake the rotation of the drive sheave.
- FIG. 1 is a cross-sectional view of an elevator hoisting machine according to an embodiment of the present invention
- FIG. 2 is a front view showing the elevator hoisting machine of FIG. 1,
- FIG. 3 is a cross-sectional view showing an enlarged main part of FIG. 1
- FIG. 4 is a sectional view showing another example of use of the elevator for the elevator of FIG. 1;
- Fig. 5 is a front view showing the elevator for the elevator of Fig. 4;
- FIG. 6 is a configuration diagram showing an example of an elevator apparatus using the elevator apparatus of FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a cross-sectional view of an elevator hoist according to an embodiment of the present invention
- FIG. 2 is a front view showing the elevator hoisting machine of FIG. 1,
- FIG. FIG. Here, a thin-type winding machine in which the overall axial dimension is smaller than the dimension in a direction perpendicular to the axial direction is shown.
- a metal housing 1 has a base 1a provided at a lower end, a stand lb provided on a pace 1a, and a cylindrical shape protruding to one side from the stand 1b. It has a stator mounting portion 1c and a brake mounting portion 1d provided on the outer periphery of the stand portion 1b.
- the stand part lb has a shaft fitting hole 1e
- a main shaft (here, a fixed shaft) 2 is fitted and fixed to the shaft fitting hole le.
- a recess 2 a is provided at one end (tip) of the spindle 2.
- the main shaft 2 is provided with a straight wiring hole 2b parallel to the axial direction.
- One end of the wiring hole 2b opens into the recess 2a.
- the other end of the wiring hole 2 b is open at the end surface of the other end (base end) of the main shaft 2.
- a drive sheave 4 is supported on the main shaft 2 via a plurality of bearings 3.
- the drive sheave 4 is rotatable about the main shaft 2.
- the drive sheave 4 includes a cylindrical bearing mounting portion 4a, a cylindrical outer cylindrical portion 4b radially spaced from the bearing mounting portion 4a, and a bearing mounting portion. It has a connecting portion 4c for connecting the outer cylindrical portion 4b to the outer cylindrical portion 4b.
- the bearing mounting portion 4a, the outer cylindrical portion 4b, and the connecting portion 4c are formed integrally.
- the bearing 3 is interposed between the outer peripheral surface of the main shaft 2 and the inner peripheral surface of the bearing mounting portion 4a.
- a plurality of rope grooves 4e are formed on the outer peripheral surface of the outer cylindrical portion 4b.
- a plurality of main openings for hanging a car and a counterweight are inserted into the rope groove 4e. That is, the main rope is wound around the outer peripheral surface of the drive sheep 4.
- a first disk mounting portion 4f is provided at one axial end of the outer cylindrical portion 4b. At the other end in the axial direction of the outer cylindrical portion 4b, a second disk mounting portion 4g is provided. Further, an annular annular groove 4h is provided on an end face of one end in the axial direction of the outer cylindrical portion 4b. Further, the housing 1 is provided with an annular annular projection 1f inserted into the annular groove 4h.
- the main shaft 2 is provided with a stopper 5 for preventing the bearing 3 from coming off from the main shaft 2.
- a motor stator 6 including an armature winding and arranged in a ring shape is fitted and fixed to the outer peripheral portion of the stator mounting portion 1c.
- a motor rotor 7 composed of a plurality of permanent magnets is fixed to the inner peripheral surface of the outer cylindrical portion 4 b so as to face the motor stator 6.
- the drive sheave 4 is rotated by the driving force of a motor / motor unit 8 including a motor / motor stator 6 and a motor / rotor 7.
- the first brake disc 9 is mounted on the first disc mounting portion 4f.
- a second brake disc 10 facing the first brake disc 9 is attached to the second disc mounting portion 4g.
- the materials and sizes of the first and second brake disks 9, 10 are the same as each other.
- the first and second brake disks 9 and 10 are fixed to the disk mounting portions 4 f and 4 g by a plurality of bolts, respectively, and are rotated integrally with the drive sheave 4. Therefore, the first and second brake discs 9, 10 are detachable from the drive sheave 4.
- a plurality of (here, three) first brake device bodies that brake the rotation of the drive shaft 4 by sandwiching the first brake disc 9 are provided on the brake mounting portion 1d.
- Each first brake device main body 11 is fixed to the brake mounting portion 1d by a plurality of bolts.
- Each first brake device body 11 holds a second brake disc 10 Accordingly, a second brake device 12 for braking the rotation of the drive sheave 4 is attached.
- Each second brake device main body 12 is fixed to the first brake device main body 11 by a plurality of bonolets. Therefore, the second brake device main body 12 is detachable from the first brake device main body 11.
- the second brake device main body 12 is supported by the housing 1 via the first brake device main body 11.
- the brake device main bodies 11 and 12 generate the braking force by pressing the brake shoe against the brake discs 9 and 10 by the spring force of the braking spring, and apply the brake disc by the attractive force of the electromagnetic magnet. Electromagnetic brake devices have been used to release the braking force by separating from 9,10. Further, in this embodiment, the braking capabilities of the brake device main bodies 11 and 12 are the same as each other.
- the brake device according to the present embodiment has first and second brake discs 9, 10 and first and second brake device main bodies 11, 12.
- a bearing cover 13 that covers a gap between the main shaft 2 and the bearing mounting portion 4a is attached to one axial end of the bearing mounting portion 4a.
- the bearing cover 13 is provided with an opening 13a facing the recess 2a.
- the bearing cover 13 is provided with a detection shaft 14 that is rotated integrally with the drive chip 4.
- the tip of the detection shaft 14 is inserted into the recess 2a.
- the detection shaft 14 is provided with a disk-shaped lid 14a for closing the opening 13a.
- Steps 15 and 16 for positioning are provided in the portion of the drive sheave 4 where the bearing cover 13 is attached and the portion where the detection shaft 14 of the vehicle cover 13 is attached. ing.
- the steps 15 and 16 are formed by high-precision machining. As a result, the detection axis 14 is more accurately positioned at the center of the drive sheave 4.
- An encoder 17 as a rotation detector for detecting the rotation of the detection shaft 14 is arranged in the concave portion 2a.
- the encoder 17 is connected to electric wiring (cafe ', le) 18.
- the electric wiring 18 is drawn out from the other end of the main shaft 2 through the wiring hole 2b.
- the stator mounting portion provided on the housing 1 is provided. Since the stator 6 is attached to 1 c, the diameter of the stator 6 increases. For this reason, the stator 6 can be made thinner by increasing the winding dose of the stator 6, and the axial dimension of the entire hoisting machine can be made smaller to achieve downsizing.
- the hoist can be easily installed even in a small space by reducing the size of the hoist as a whole, so that the machine room space is small and the hoist can be moved up and down. It is effective to apply to the machine room less elevator installed in the road.
- the concave portion 2a is provided at one end of the main shaft 2 and the encoder 17 is disposed in the concave portion 2a, it is possible to reduce the axial dimension of the entire hoisting machine and to downsize the hoist. The damage of the encoder 17 can be prevented.
- the detection shaft 14 is provided with a lid 14a for closing the opening 13a of the bearing cover 13 so that the recess 2a is sealed, and dust-proof and drip-proof for the encoder 17 are prevented. Can be planned.
- the electric wiring 18 from the encoder 17 is drawn out from the other end of the main shaft 2 through the wiring hole 2 b provided in the main shaft 2, the electric wiring 18 is fixed to the outer peripheral portion of the hoisting machine. There is no need to install the hoisting machine.
- first and second brake discs 9 and 10 are attached to the drive chip 4, and the second brake disc 10 is attached to the first brake device main body 11 that holds the first brake disc 9. Since the second brake device main body 12 that sandwiches the brake device is mounted, many brake device main bodies 11 and 12 can be arranged in a narrow space, and a high braking force can be achieved while reducing the size of the hoist. Obtainable.
- FIG. 4 is a sectional view showing another example of use of the elevator hoist of FIG. 1
- FIG. 5 is a front view showing the elevator hoist of FIG.
- the second brake disc 10 has been removed from the drive sheave 4
- the second brake device body 12 has been removed from the first brake device body 11.
- the number of the first brake device main bodies 11 is reduced to two.
- the brake disc and the brake are controlled according to the output of the motor section 8.
- the number of main units can be changed, and the optimal braking force can be selected.
- a thin type winding machine has been described, but the present invention is also applicable to a hoisting machine in which the overall axial dimension is larger than the dimension in a direction perpendicular to the axial direction.
- FIG. 6 is a configuration diagram showing an example of an elevator apparatus using the elevator apparatus of FIG.
- a machine room 22 is provided above the hoistway 21.
- a machine stand 23 is installed on the floor of the machine room 22.
- the machine stand 23 is equipped with a hoisting machine 24 for an elevator and a deflector wheel 25.
- a control panel 26 for controlling the hoisting machine 24 for the elevator is installed.
- a plurality of main ropes 27 are wound around the drive sheave 4 and the deflector wheel 25 of the hoisting machine 24 for the elevator.
- a car 28 is connected to the first end of the main rope 27.
- a counterweight 29 is connected to the second end of the main rope 27.
- the car 28 and the counterweight 29 are suspended in the hoistway 21 by a 1: 1 roving method by the main rope 27.
- a car shock absorber 30 and a counterweight shock absorber (not shown) are installed in the lower part (bottom part) of the hoistway 21 .
- the hoisting machine 24 for the elevator is installed in the machine room 22.
- the hoisting machine for the elevator is installed in the machine room without the elevator.
- This invention can be applied in the evening.
- the hoisting machine for the elevator can be installed at the upper or lower part of the hoistway.
- the hoisting machine for the elevator may be installed so that the rotation axis of the drive sheave is horizontal, or may be installed vertically or almost vertically.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04714431A EP1719731A4 (en) | 2004-02-25 | 2004-02-25 | ELEVATOR WINCH |
PCT/JP2004/002172 WO2005080251A1 (ja) | 2004-02-25 | 2004-02-25 | エレベータ用巻上機 |
JP2006519065A JPWO2005080251A1 (ja) | 2004-02-25 | 2004-02-25 | エレベータ用巻上機 |
CNB2004800126521A CN100545070C (zh) | 2004-02-25 | 2004-02-25 | 电梯用曳引机 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/002172 WO2005080251A1 (ja) | 2004-02-25 | 2004-02-25 | エレベータ用巻上機 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005080251A1 true WO2005080251A1 (ja) | 2005-09-01 |
Family
ID=34878970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/002172 WO2005080251A1 (ja) | 2004-02-25 | 2004-02-25 | エレベータ用巻上機 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1719731A4 (ja) |
JP (1) | JPWO2005080251A1 (ja) |
CN (1) | CN100545070C (ja) |
WO (1) | WO2005080251A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009173409A (ja) * | 2008-01-25 | 2009-08-06 | Toshiba Elevator Co Ltd | エレベータ用巻上機 |
WO2015125266A1 (ja) * | 2014-02-21 | 2015-08-27 | 株式会社日立製作所 | エレベータ装置 |
JP2016050660A (ja) * | 2014-09-02 | 2016-04-11 | 三菱電機株式会社 | 回転体の固定方法、及びエレベータ用巻上機 |
JP2018002419A (ja) * | 2016-07-05 | 2018-01-11 | 株式会社日立製作所 | エレベーター用巻上機 |
WO2018198183A1 (ja) * | 2017-04-25 | 2018-11-01 | 株式会社日立製作所 | エレベーター |
JP2019140707A (ja) * | 2018-02-06 | 2019-08-22 | 株式会社日立製作所 | 巻上機 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006082646A1 (ja) * | 2005-02-04 | 2006-08-10 | Mitsubishi Denki Kabushiki Kaisha | エレベータの巻上機 |
JP5084838B2 (ja) * | 2007-09-27 | 2012-11-28 | 三菱電機株式会社 | エレベータ巻上機 |
JP2010037042A (ja) * | 2008-08-04 | 2010-02-18 | Toshiba Elevator Co Ltd | エレベータの駆動装置 |
CN102219144A (zh) * | 2011-06-09 | 2011-10-19 | 上海鑫力奥闻电动机有限公司 | 外转子式无齿轮曳引机 |
JP5880305B2 (ja) * | 2012-06-19 | 2016-03-09 | フジテック株式会社 | エレベータのドア駆動装置 |
US10081518B2 (en) | 2013-05-28 | 2018-09-25 | Otis Elevator Company | Elevator machine and stator support structure |
JP6134952B1 (ja) * | 2015-12-03 | 2017-05-31 | 株式会社明電舎 | 巻上機 |
JP6742269B2 (ja) * | 2017-04-07 | 2020-08-19 | 株式会社日立製作所 | 巻上機およびエレベーター |
CN110217672A (zh) * | 2019-05-31 | 2019-09-10 | 佛山市顺德区金泰德胜电机有限公司 | 曳引机 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5095949A (ja) * | 1973-12-25 | 1975-07-30 | ||
JPH0262394A (ja) * | 1988-08-26 | 1990-03-02 | Mitsubishi Electric Corp | 巻上機 |
JPH0428695A (ja) * | 1990-05-24 | 1992-01-31 | Shikoku Kenki Kk | 軽重量物の巻下げ制御方法及びそのディスクブレーキ装置 |
JP2000086127A (ja) * | 1998-09-14 | 2000-03-28 | Hitachi Ltd | エレベーター装置 |
JP2003104666A (ja) * | 2001-09-28 | 2003-04-09 | Meidensha Corp | 巻上機及びエレベータ装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19511077C2 (de) * | 1995-03-25 | 1997-02-06 | Thyssen Aufzuege Gmbh | Getriebelose Treibscheiben-Fördermaschine |
FI109596B (fi) * | 1997-01-23 | 2002-09-13 | Kone Corp | Hissin käyttökoneisto ja hissi |
-
2004
- 2004-02-25 WO PCT/JP2004/002172 patent/WO2005080251A1/ja active Application Filing
- 2004-02-25 JP JP2006519065A patent/JPWO2005080251A1/ja active Pending
- 2004-02-25 CN CNB2004800126521A patent/CN100545070C/zh not_active Expired - Fee Related
- 2004-02-25 EP EP04714431A patent/EP1719731A4/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5095949A (ja) * | 1973-12-25 | 1975-07-30 | ||
JPH0262394A (ja) * | 1988-08-26 | 1990-03-02 | Mitsubishi Electric Corp | 巻上機 |
JPH0428695A (ja) * | 1990-05-24 | 1992-01-31 | Shikoku Kenki Kk | 軽重量物の巻下げ制御方法及びそのディスクブレーキ装置 |
JP2000086127A (ja) * | 1998-09-14 | 2000-03-28 | Hitachi Ltd | エレベーター装置 |
JP2003104666A (ja) * | 2001-09-28 | 2003-04-09 | Meidensha Corp | 巻上機及びエレベータ装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1719731A4 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009173409A (ja) * | 2008-01-25 | 2009-08-06 | Toshiba Elevator Co Ltd | エレベータ用巻上機 |
WO2015125266A1 (ja) * | 2014-02-21 | 2015-08-27 | 株式会社日立製作所 | エレベータ装置 |
JP2016050660A (ja) * | 2014-09-02 | 2016-04-11 | 三菱電機株式会社 | 回転体の固定方法、及びエレベータ用巻上機 |
JP2018002419A (ja) * | 2016-07-05 | 2018-01-11 | 株式会社日立製作所 | エレベーター用巻上機 |
WO2018198183A1 (ja) * | 2017-04-25 | 2018-11-01 | 株式会社日立製作所 | エレベーター |
JPWO2018198183A1 (ja) * | 2017-04-25 | 2020-02-27 | 株式会社日立製作所 | エレベーター |
JP2019140707A (ja) * | 2018-02-06 | 2019-08-22 | 株式会社日立製作所 | 巻上機 |
JP7000182B2 (ja) | 2018-02-06 | 2022-01-19 | 株式会社日立製作所 | 巻上機 |
Also Published As
Publication number | Publication date |
---|---|
EP1719731A4 (en) | 2009-11-11 |
CN100545070C (zh) | 2009-09-30 |
JPWO2005080251A1 (ja) | 2007-08-30 |
EP1719731A1 (en) | 2006-11-08 |
CN1784353A (zh) | 2006-06-07 |
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