WO2006027840A1 - エレベータの駆動装置 - Google Patents
エレベータの駆動装置 Download PDFInfo
- Publication number
- WO2006027840A1 WO2006027840A1 PCT/JP2004/013153 JP2004013153W WO2006027840A1 WO 2006027840 A1 WO2006027840 A1 WO 2006027840A1 JP 2004013153 W JP2004013153 W JP 2004013153W WO 2006027840 A1 WO2006027840 A1 WO 2006027840A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drive
- sheave
- elevator
- driving
- rotating shaft
- 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
- B66B11/0461—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with rack and pinion gear
-
- 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
- B66B11/0469—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with chain, pinion gear
-
- 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
- B66B11/0476—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with friction gear, e.g. belt linking motor to sheave
Definitions
- the present invention relates to a drive device for a traction elevator for raising and lowering a car and a counterweight.
- a friction wheel may be pressed against the side surface of a drive sheave in order to rotate the drive sheave around which the main rope of the elevator is wound.
- a V-shaped groove is provided on the side of the drive sheave.
- the friction wheel is pressed against the V-shaped groove.
- the friction wheel is rotated by an electric motor.
- the driving force of the motor is transmitted to the driving sheave via the friction wheel.
- the outer diameter of the friction wheel is smaller than the outer diameter of the drive sheave, and a predetermined reduction ratio is obtained between the drive sheave and the friction wheel (see Patent Document 1).
- Patent Document 1 JP 59-97987 A
- the driving force of the electric motor is transmitted to the driving sheave only by the frictional force between the friction wheel and the driving sheave. Therefore, when a large driving torque is applied to the driving sheave, slip occurs between the friction wheel and the driving sheave, and the driving force of the motor is not efficiently transmitted to the driving sheave and the main rope. There are times when it ends.
- the present invention has been made to solve the above-described problems, and can ensure a reduction ratio between the rotating shaft of the drive motor and the drive sheave, and can be used for the drive cable on the main rope. It is an object of the present invention to provide an elevator drive device that can transmit the rotational force of a motor more reliably.
- An elevator drive apparatus includes a drive motor having a rotatable rotation shaft. And a plurality of drive-side engagement pieces provided around the rotation shaft, and capable of rotating integrally with the rotation shaft, and a plurality of driven-side engagement pieces engaged with the drive-side engagement pieces. Is provided on the outer periphery, and includes a drive sheave around which the main rope of the elevator is wound and the rotational force of the rotating shaft is transmitted through the engaging body.
- FIG. 1 is a front view showing an elevator drive apparatus according to Embodiment 1 of the present invention.
- FIG. 2 is a cross-sectional view taken along the line ⁇ - ⁇ in FIG.
- FIG. 3 is a front view showing an elevator drive apparatus according to Embodiment 2 of the present invention.
- FIG. 4 is a front view showing an elevator drive apparatus according to Embodiment 3 of the present invention.
- FIG. 5 is a front view showing an elevator drive apparatus according to Embodiment 4 of the present invention.
- FIG. 6 is a front view showing an elevator drive apparatus according to Embodiment 5 of the present invention.
- FIG. 7 is a cross-sectional view taken along line VII-VII in FIG.
- FIG. 1 is a front view showing an elevator drive apparatus according to Embodiment 1 of the present invention
- FIG. 2 is a cross-sectional view taken along line ⁇ - ⁇ in FIG.
- a support base (not shown) is fixed to the upper part of the hoistway.
- a horizontally extending sheave axle 1 is supported on the support base.
- the sheave shaft 1 is provided with a drive sheave 3.
- the drive sheave 3 is rotatable about the sheave shaft 1.
- a plurality of main ropes 2 are wound around the drive sheave 3.
- a car and a counterweight are suspended by the main ropes 2. In addition, the car and the counterweight are moved up and down in the hoistway by the rotation of the drive sheave 3.
- a driving motor 4 for rotating the driving sheave 3 is also supported on the support base.
- the drive motor 4 has a motor body 5 and a rotating shaft 6 that is rotated by the motor body 5.
- the rotating shaft 6 is arranged in parallel with the sheave shaft 1.
- a part of the rotating shaft 6 is disposed around the drive sheave 3.
- the rotating shaft 6 is provided with an engaging body 7 for transmitting the rotational force of the rotating shaft 6 to the drive sheave 3.
- the engaging body 7 is rotatable integrally with the rotating shaft 6.
- the engaging body 7 has a pair of fixing plates 8 and 9 fixed to the rotating shaft 6 and a plurality of driving side engaging pieces 10 provided between the fixing plates 8 and 9. .
- Each of the fixed plates 8 and 9 is perpendicular to the axis of the rotating shaft 6.
- Each drive-side engagement piece 10 is a rod-like body extending along the axis of the rotation shaft 6.
- the drive-side engagement pieces 10 are spaced from each other along the rotation direction of the engagement body 7! It is placed around the rotation axis 6!
- a pair of engaging edge portions 11 extending in the circumferential direction of the drive sheave 3 are provided on the outer periphery of the drive sheave 3.
- Each engagement edge 11 is provided at each end of the drive sheave 3 in the axial direction of the sheave shaft 1, that is, in the thickness direction of the drive sheave 3 (FIG. 2).
- Each engagement edge 11 is provided with a plurality of driven side engagement pieces 12 that are engaged with the drive side engagement pieces 10.
- the driven side engagement pieces 12 are arranged at intervals from each other over the entire circumference of the drive sheave 3.
- the shape of each drive side engagement piece 10 is a cylindrical shape.
- each driven side engagement piece 12 is an arcuate depression along the outer shape of each drive side engagement piece 10.
- the outer periphery of the drive sheave 3 is also provided with a recess 13 extending in the circumferential direction of the drive sheave 3 (Fig. 2).
- the concave path 13 is disposed between the engagement edges 11.
- a plurality of main rope grooves 14 on which the main ropes 2 are hung are provided at the bottom of the concave path 13.
- Each drive-side engagement piece 10 is engaged with each driven-side engagement piece 12 across the respective engagement edge portions 11.
- the driving body 3 is rotated by rotating the engaging body 7 and sequentially engaging the driving side engaging pieces 10 with the driven side engaging pieces 12.
- Each drive-side engagement piece 10 is engaged with the driven-side engagement piece 12 so that a gap is formed between each main rope 2 (FIG. 2).
- the engagement body 7 having a plurality of drive-side engagement pieces 10. Can be rotated integrally with the rotary shaft 6, and a plurality of driven side engaging pieces 12 engaged with the respective driving side engaging pieces 10 are provided on the outer peripheral portion of the driving sheave 3. Sliding between the drive sheave 3 and the drive sheave 3 can be prevented, and the rotational force of the rotary shaft 6 can be reliably transmitted by the drive sheave 3. As a result, the rotational force of the rotary shaft 6 can be more reliably transmitted to the main ropes 2 wound around the drive sheave 3. Further, by adjusting the outer diameters of the engaging body 7 and the drive sheave 3, the reduction ratio between the rotating shaft 6 and the drive sheave 3 can be ensured to a desired value.
- FIG. 3 is a front view showing an elevator drive apparatus according to Embodiment 2 of the present invention.
- a plurality (three in this example) of drive motors 4 are supported on the support base.
- the rotation shaft 6 of each drive motor 4 is arranged around the drive sheave 3.
- the height position of each rotary shaft 6 is set higher than the height of the sheave shaft 1 so as not to interfere with each main rope 2.
- An engaging body 7 is fixed to each rotating shaft 6.
- a plurality of driven side engagement pieces 12 with which the respective engagement bodies 7 are engaged are provided on the outer periphery of the drive sheave 3.
- the drive side engagement pieces 10 of the respective engagement bodies 7 are engaged with the drive side engagement pieces 12.
- the rotational force of each rotating shaft 6 is transmitted to the drive sheave 3 via each engaging body 7.
- the drive sheave 3 is rotated about the sheave shaft 1 by transmitting the rotational force of each rotating shaft 6 to the drive sheave 3.
- Other configurations and operations are the same as those in the first embodiment
- the number of drive motors 4 may be three, or two or more forces.
- the engagement force between the engagement body 7 and the drive sheave 3 causes the rotational force of the rotating shaft 6 to be transmitted to the drive sheave 3.
- the rotational force of the rotary shaft 6 may be transmitted to the drive sheave 3, or the rotational force of the rotary shaft 6 may be transmitted to the drive sheave 3 by a sprocket around which the chain is wound. Further, the rotational force of the rotary shaft 6 can be transmitted to the drive sheave 3 by means of a pinion that fits into the rack.
- FIG. 4 is a front view showing an elevator drive apparatus according to Embodiment 3 of the present invention.
- the rotating shaft 6 is provided with drive wheels 31.
- the drive wheel 31 can rotate integrally with the rotary shaft 6.
- a driven wheel 32 disposed at a distance from the drive wheel 31 is supported on the support base.
- a plurality of engaging portions are provided on the outer peripheral portions of the driving wheel 31 and the driven wheel 32, respectively.
- a flexible endless moving body 33 is wound between the driving wheel 31 and the driven wheel 32.
- the moving body 33 is moved around by the rotation of the drive wheels 31.
- the driven wheel 32 is rotated by the circular movement of the moving body 33. Note that an appropriate tension is applied to the moving body 33 by the driving wheel 31 and the driven wheel 32.
- the moving body 33 is engaged with the upper part of the drive sheave 3.
- the moving body 33 includes an annular strip 34 and a plurality of drive side engagement pieces 35 provided on the annular strip 34.
- the drive-side engagement pieces 35 are arranged at intervals from each other in the length direction of the annular strip 34.
- Each driving side engaging piece 35 includes a first engaging portion 36 for engaging with the engaging portions of the driving wheel 31 and the driven wheel 32, and a plurality of driven sides provided on the outer peripheral portion of the driving sheave 3.
- a second engagement portion 37 for engaging with the engagement piece 12.
- Each first engagement portion 36 is engaged with each engagement portion of the drive wheel 31 and the driven wheel 32 until the first engagement portion 36 is rotated once by the circular movement of the movable body 33. Yes. Further, each second engagement portion 37 is engaged with the driven side engagement piece 12 until the second engagement portion 37 is rotated once by the circular movement of the movable body 33. The driven side engaging piece 12 is engaged with the second engaging portion 37 of the driving side engaging piece 35 moved between the driving wheel 31 and the driven wheel 32. The drive sheave 3 is rotated by the circular movement of the moving body 33.
- the engagement device 38 for transmitting the rotational force of the rotating shaft 6 to the drive sheave 3 includes a drive wheel 31, a driven wheel 32, and a moving body 33.
- the first engaging portion 36 is provided inside the moving body 33
- the second engaging portion 37 is provided outside the moving body 33.
- the shape of each drive side engagement piece 35 is a cylindrical shape by the first engagement portion 36 and the second engagement portion 37. Other configurations are the same as those in the first embodiment.
- the moving body 33 having a plurality of drive-side engagement pieces 35 that can be engaged with the outer peripheral portions of the drive wheels 31 and the driven wheels 32 includes the drive wheels 31 and the driven wheels. Since the drive side engagement piece 35 is engaged with a plurality of driven side engagement pieces 12 provided on the outer periphery of the drive sheave 3, the rotational force of the rotary shaft 6 is applied to the drive sheave. 3 and each main rope 2 can be transmitted reliably.
- the reduction ratio between the rotating shaft 6 and the driving sheave 3 can be adjusted by adjusting the ratio of the outer diameters of the driving wheel 31 and the driving sheave 3, so that the rotating shaft 6 and the driving sheave 3 can be adjusted. Can be adjusted to a desired value.
- the moving body 33 is pressed against the driving sheave 3 by the tension applied by the driving wheel 31 and the driven wheel 32. However, the moving body 33 is moved separately from the driving wheel 31 and the driven wheel 32.
- the moving body 33 may be pressed against the drive sheave 3 by a pressing device having a pressing roller that contacts the moving body 33.
- FIG. 5 is a front view showing an elevator drive apparatus according to Embodiment 4 of the present invention.
- a drive wheel 31 and a pair of driven wheels 32 are arranged on the radially outer side of the drive sheave 3.
- the drive sheave 3 is disposed between the driven wheels 32 and disposed below the drive wheels 31.
- the drive wheel 31 is fixed to the rotating shaft 6.
- Each driven wheel 32 is supported by a support base.
- the height position of each driven wheel 32 is set lower than the upper end portion of the drive sheave 3.
- an endless moving body 33 having a plurality of driving side engaging pieces 35 is wound.
- the configuration of the moving body 33 is the same as that of the third embodiment.
- a portion of the moving body 33 between one driven wheel 32 and the other driven wheel 32 is wound around the outer periphery of the drive sheave 3.
- the first engagement portion 36 of each drive side engagement piece 35 is adapted to be engaged with the outer periphery of each of the drive wheel 31 and each driven wheel 32, and each drive side engagement piece 35
- the second engagement portion 37 of the drive is adapted to be engaged with each driven side engaging piece 12 provided on the outer peripheral portion of the sheave 3.
- the moving body 33 is moved around by the rotation of the drive wheels 31.
- the portion of the moving body 33 wound around the drive sheave 3 is moved along the outer peripheral portion of the drive sheave 3 while the second engagement portion 37 is engaged with the driven side engagement portion 12.
- the drive sheave 3 is rotated around the sheave shaft 1 by the circular movement of the moving body 33.
- Other configurations are the same as those in the third embodiment.
- a chain or a timing belt may be used as a moving body in order to transmit the rotational force of the rotary shaft 6 to the drive sheave 3.
- FIG. 6 is a front view showing an elevator drive apparatus according to Embodiment 5 of the present invention.
- FIG. 7 is a sectional view taken along line VII-VII in FIG.
- a drive wheel 51 is fixed to the rotary shaft 6.
- the drive wheel 51 includes a drive wheel body 52 and a drive side covering portion 53 that is provided on the outer periphery of the drive wheel body 52 and is made of a high friction material.
- the drive wheel 51 can rotate integrally with the rotary shaft 6.
- a driven side covering portion 54 made of a high friction material is provided on the outer peripheral portion of the drive sheave 3.
- the driven side covering portion 54 is provided at both ends of the drive sheave 3 in the thickness direction of the drive sheave 3 (FIG. 7).
- a plurality of main rope grooves 14 extending in the circumferential direction of the drive sheave 3 are provided in portions between the driven side covering portions 54 of the drive sheave 3.
- a main rope 55 is wound around each main rope groove 14.
- Each main rope 55 includes a main rope 56 and a rope covering portion 57 that is made of a high friction material and covers the main rope 56.
- the rotational force of the rotary shaft 6 is transmitted to the drive sheave 3 by the frictional force between the driving wheel 51 and each driven side covering 54, and each main shaft 55 is caused by the frictional force between the driving wheel 51 and each main rope 55. It is transmitted to cable 55.
- Other configurations are the same as those in the first embodiment.
- the drive side covering portion 53 made of a high friction material is provided on the outer peripheral portion of the drive wheel 51, and the drive wheel 51 is pressed against the main rope 55. Even if the rotational force of the rotary shaft 6 can be transmitted to each main rope 55 via the drive wheel 51 and the frictional force between the drive sheave 3 and each main rope 55 is insufficient, The rotational force of the rotary shaft 6 can be transmitted to each main rope 55 more reliably. Further, the reduction ratio between the rotating shaft 6 and the drive sheave 3 can be adjusted by adjusting the ratio of the outer diameters of the drive wheels 51 and the drive sheave 3.
- a driven side covering portion 54 made of a high friction material is provided on the outer peripheral portion of the drive sheave 3, and the driving wheel 51 is pressed against the driven side covering portion 54.
- the rotational force of the rotating shaft 6 can be reliably transmitted to the drive sheave 3 by the frictional force between the portion 53 and the driven side covering portion 54.
- the rotational force of the rotary shaft 6 is transmitted to the drive sheave 3 and the main ropes 55 via the drive wheels 51.
- the rotational force of the rotary shaft 6 may be transmitted only to the main rope 55.
- the force that allows the rotational force of the rotary shaft 6 of one drive motor 4 to be transmitted to the drive sheave 3 The rotational force of the rotary shafts 6 of the plurality of drive motors 4 It may be transmitted to a common drive sheave 3.
- the driving wheel 51 is fixed to the rotating shaft 6 of each drive motor 4.
- Each drive wheel 51 is pressed against each main rope 55 and each driven side covering portion 54.
- a motor brake device that brakes the rotation of the rotating shaft 6
- a sheave brake device that brakes the rotation of the driving sheave 3
- a rope brake device that grips the main rope.
Landscapes
- 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
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/013153 WO2006027840A1 (ja) | 2004-09-09 | 2004-09-09 | エレベータの駆動装置 |
JP2006534951A JP4925106B2 (ja) | 2004-09-09 | 2004-09-09 | エレベータの駆動装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/013153 WO2006027840A1 (ja) | 2004-09-09 | 2004-09-09 | エレベータの駆動装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006027840A1 true WO2006027840A1 (ja) | 2006-03-16 |
Family
ID=36036136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/013153 WO2006027840A1 (ja) | 2004-09-09 | 2004-09-09 | エレベータの駆動装置 |
Country Status (2)
Country | Link |
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JP (1) | JP4925106B2 (ja) |
WO (1) | WO2006027840A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008061492A1 (de) * | 2006-11-04 | 2008-05-29 | Manuela Widmann | Antrieb für aufzüge |
JP2008230766A (ja) * | 2007-03-20 | 2008-10-02 | Nitta Ind Corp | 伝動ベルトを用いたエレベータ駆動装置 |
EP3142955A1 (en) * | 2014-05-14 | 2017-03-22 | Otis Elevator Company | Traction geared machine for elevator |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59149288A (ja) * | 1983-02-14 | 1984-08-27 | 三菱電機株式会社 | エレベ−タ用減速機 |
JPS6077011A (ja) * | 1983-09-30 | 1985-05-01 | Trinity Ind Corp | 搬送装置 |
JPS61128211U (ja) * | 1985-01-30 | 1986-08-12 | ||
JPH10291780A (ja) * | 1997-04-16 | 1998-11-04 | Mikuni Corp | 動力伝達機構 |
JP2003327368A (ja) * | 2002-03-08 | 2003-11-19 | Fujitec Co Ltd | 往復移動体駆動装置 |
JP2004189420A (ja) * | 2002-12-11 | 2004-07-08 | Hitachi Ltd | エレベータ用巻上機 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0231054A (ja) * | 1988-07-19 | 1990-02-01 | Daishowa Seiki Co Ltd | ベルト伝動装置 |
JPH09329205A (ja) * | 1996-06-10 | 1997-12-22 | Honda Motor Co Ltd | 動力伝動体及び動力伝動装置 |
JP4096117B2 (ja) * | 2001-02-16 | 2008-06-04 | フジテック株式会社 | 往復移動体駆動機構及びこれを用いたエレベータ装置 |
-
2004
- 2004-09-09 JP JP2006534951A patent/JP4925106B2/ja not_active Expired - Fee Related
- 2004-09-09 WO PCT/JP2004/013153 patent/WO2006027840A1/ja active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59149288A (ja) * | 1983-02-14 | 1984-08-27 | 三菱電機株式会社 | エレベ−タ用減速機 |
JPS6077011A (ja) * | 1983-09-30 | 1985-05-01 | Trinity Ind Corp | 搬送装置 |
JPS61128211U (ja) * | 1985-01-30 | 1986-08-12 | ||
JPH10291780A (ja) * | 1997-04-16 | 1998-11-04 | Mikuni Corp | 動力伝達機構 |
JP2003327368A (ja) * | 2002-03-08 | 2003-11-19 | Fujitec Co Ltd | 往復移動体駆動装置 |
JP2004189420A (ja) * | 2002-12-11 | 2004-07-08 | Hitachi Ltd | エレベータ用巻上機 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008061492A1 (de) * | 2006-11-04 | 2008-05-29 | Manuela Widmann | Antrieb für aufzüge |
JP2008230766A (ja) * | 2007-03-20 | 2008-10-02 | Nitta Ind Corp | 伝動ベルトを用いたエレベータ駆動装置 |
EP3142955A1 (en) * | 2014-05-14 | 2017-03-22 | Otis Elevator Company | Traction geared machine for elevator |
US10850945B2 (en) | 2014-05-14 | 2020-12-01 | Otis Elevator Company | Traction geared machine for elevator |
EP3142955B1 (en) * | 2014-05-14 | 2023-01-04 | Otis Elevator Company | Traction geared machine for elevator |
Also Published As
Publication number | Publication date |
---|---|
JP4925106B2 (ja) | 2012-04-25 |
JPWO2006027840A1 (ja) | 2008-05-08 |
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