WO2006033152A1 - エレベータ装置 - Google Patents
エレベータ装置 Download PDFInfo
- Publication number
- WO2006033152A1 WO2006033152A1 PCT/JP2004/013925 JP2004013925W WO2006033152A1 WO 2006033152 A1 WO2006033152 A1 WO 2006033152A1 JP 2004013925 W JP2004013925 W JP 2004013925W WO 2006033152 A1 WO2006033152 A1 WO 2006033152A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- car
- pulley
- braking
- counterweight
- suspension
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
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
- B66B11/0065—Roping
- B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
Definitions
- the present invention relates to an elevator apparatus in which a main rope for suspending a force in a hoistway is wound around a plurality of pulleys.
- a lifting machine for raising and lowering a car and a counterweight is installed in a hoistway.
- the hoisting machine has a drive sheave, a drive motor, and a brake device (see, for example, Patent Document 1).
- Patent Document 1 Japanese Patent Laid-Open No. 2000-289954
- the present invention has been made to solve the above-described problems, and an object of the present invention is to provide an elevator apparatus capable of achieving the entire compact toy.
- the elevator apparatus has a plurality of pulleys, a main port wound around the pulleys, a car suspended in the hoistway by the main rope, and a driving force for raising and lowering the ladder. And a drive unit that generates a braking force for braking the running of the force.
- the drive unit is provided in a drive pulley that is one of the pulleys, and rotates the drive pulley.
- the brake is provided on the brake pulley, which is one of the pulleys excluding the drive pulley, and brakes the rotation of the brake pulley. The running of the above force is braked through.
- FIG. 1 is a configuration diagram showing an elevator apparatus according to Embodiment 1 of the present invention.
- FIG. 2 is a cross-sectional view of the second car suspension vehicle of FIG.
- FIG. 3 is a cross-sectional view of the lower return wheel in FIG.
- FIG. 1 is a block diagram showing an elevator apparatus according to Embodiment 1 of the present invention, and shows an expanded layout of the main rope. In this example, a machine room-less elevator device is shown.
- a lift 2 and a counterweight 3 are provided in the hoistway 1.
- the force 2 is moved up and down in the hoistway 1 along a car guide rail (not shown).
- the counterweight 3 is moved up and down in the hoistway 1 along a counterweight guide rail (not shown).
- first and second car suspension wheels 4, 5 as pulleys are mounted.
- a counterweight suspension vehicle 6 On the top of the counterweight 3 is mounted a counterweight suspension vehicle 6 that is a pulley.
- first and second upper return wheels 7 and 8, which are pulleys, are arranged in the upper part of the hoistway 1.
- a lower return wheel 9 as a pulley is arranged in the lower part of the ascending / descending path.
- the rotating shafts of the car suspension wheels 4 and 5, the counterweight suspension wheel 6, the upper return wheels 7 and 8, and the lower return wheel 9 are all horizontal.
- a plurality of main ropes 10 are wrapped around the car suspension cars 4, 5, the counterweight suspension car 6, the upper return wheel 7, 8, and the lower return wheel 9. Yes.
- the main rope 10 has first and second end portions 10a and 10b connected to the upper part of the hoistway 1.
- the main rope 10 is wound in the order of the first end 10a side force in the order of the car suspension wheel 4, 5, the upper return wheel 7, the lower return wheel 9, the upper return wheel 8, and the counterweight suspension wheel 6. Yes. That is, the car 2 and the counterweight 3 are suspended in the hoistway 1 by the main rope 10 by a 2: 1 roving method.
- the second car suspension wheel 5 incorporates a drive unit (motor unit) 11 that generates a drive force for raising and lowering the force cage 2 and the counterweight 3. That is, the drive pulley in the first embodiment is the second car suspension wheel 5.
- the drive unit 11 raises and lowers the car 2 and the counterweight 3 through the main rope 10 by rotating the second car suspension wheel 5. Therefore, with the main rope 10 A sufficient frictional force for driving the force 2 and the counterweight 3 is ensured between the second suspension wheel 5 and the second suspension wheel 5.
- the lower return wheel 9 has a built-in braking unit 12 that generates a braking force for braking the travel of the force 2. That is, the brake pulley in the first embodiment is the lower return wheel 9.
- the braking unit 12 brakes the traveling of the car 2 via the main rope 10 by braking the rotation of the lower return wheel 9. Therefore, there is enough friction between the main rope 10 and the lower return wheel 9 to brake the car 2! Speak.
- FIG. 2 is a cross-sectional view of the second car suspension wheel 5 of FIG.
- the base 13 fixed to the lower part of the car 2 has a cylindrical stator mounting portion 13a and a shaft insertion hole 13b provided at the center of the stator mounting portion 13a.
- the stator attachment portion 13a and the shaft insertion hole 13b are formed integrally with the base 13.
- a stator 14 is mounted on the outer peripheral surface of the stator mounting portion 13a.
- a plurality of rope grooves 5a into which the main rope 10 is inserted are provided on the outer peripheral surface of the second suspension wheel 5. Further, a main shaft (rotating shaft) 5b inserted into the shaft insertion hole 13b is provided at the center of the second suspension wheel 5. A plurality of bearings 15 are interposed between the outer peripheral surface of the main shaft 5b and the inner peripheral surface of the shaft insertion hole 13b. That is, the second suspension wheel 5 is supported by the base 13 so as to be rotatable about the main shaft 5b.
- a rotor 16 is attached to the inner peripheral surface of the second suspension wheel 5 so as to face the stator 14.
- the drive unit 11 includes a stator 14 and a rotor 16. By exciting the stator winding of the stator 14, a driving force is generated in the drive unit 11, and the second suspension wheel 5 is rotated.
- the entire drive unit 11 is accommodated within the range of the axial dimension (thickness) of the second suspension wheel 5. Further, it is preferable that 80% or more of the drive unit 11 is accommodated within the range of the axial dimension (thickness) of the second suspension wheel 5.
- An encoder 18 is supported on the base 13 via a leaf spring 17.
- the encoder 18 outputs a signal corresponding to the rotation of the spindle 5b.
- a signal from the encoder 18 is input to a control device (not shown) that controls the drive unit 11 and the braking unit 12.
- the controller detects the traveling speed and position of the car 2 based on the signal from the encoder 18. Further, a concave portion 5c that accommodates at least a part of the encoder 18 is provided at the tip of the main shaft 5b.
- FIG. 3 is a cross-sectional view of the lower return wheel 9 of FIG.
- the base 21 has an installation part 21a fixed to a fixing part in the hoistway 1, a cylindrical brake support part 21b, and a shaft insertion hole 21c provided at the center of the brake support part 21b.
- a plurality of rope grooves 9a into which the main rope 10 is inserted are provided on the outer circumferential surface of the lower return wheel 9, a plurality of rope grooves 9a into which the main rope 10 is inserted are provided.
- a main shaft (rotary shaft) 9b inserted into the shaft insertion hole 21c is provided at the center of the lower return wheel 9.
- a plurality of bearings 22 are interposed between the outer peripheral surface of the main shaft 9b and the inner peripheral surface of the shaft insertion hole 21c. That is, the lower return wheel 9 is supported by the base 21 so as to be rotatable about the main shaft 9b.
- a plurality of braking portions 12 are attached to the outer peripheral surface of the brake support portion 21b at equal intervals in the circumferential direction.
- Each braking portion 12 has a braking piece 23 that is in contact with and separated from the inner peripheral surface of the lower return wheel 9, that is, the braking surface 9c.
- an electromagnetic brake device is used as the braking unit 12.
- the braking piece 23 is pressed against the braking surface 9c by the spring force of the braking spring to brake the rotation of the lower return wheel 9 and the braking piece 23 is also applied to the braking surface 9c by exciting the electromagnetic magnet. Is released and braking is released.
- the entire braking unit 12 is accommodated within the range of the axial dimension (thickness) of the lower reverse wheel 9.
- the drive unit 11 is built in the second car suspension vehicle 5, and the braking unit 12 is built in the lower return wheel 9. That is, since the drive unit 11 and the braking unit 12 are built in different pulleys, the hoistway device that eliminates the need to install a lifting machine in which the drive unit and the braking unit are integrally provided in the hoistway 1 Installation becomes easier, layout restrictions are reduced, and the cross-sectional area of the hoistway can be reduced, so that the overall compactness can be achieved.
- the drive unit 11 is a water rotor type in which the rotor 16 is positioned on the outer side in the radial direction of the stator 14, the drive unit 11 can be accommodated in the power suspension 5 in a compact manner.
- the force using the second car suspension car 5 as the drive pulley is not limited to this.
- the first car suspension car 4, the counterweight suspension car 6, and the upper return car 7, 8 and lower return car 9 can be used as a drive pulley!
- the force using the lower return wheel 9 as a braking pulley is not limited to this. Any one of the hanging car suspension vehicles 4, 5, the counterweight suspension vehicle 6, and the upper return vehicles 7, 8 It may be a braking pulley.
- the weight of the counterweight can be reduced.
- a pulley that does not move due to the raising and lowering of the force that is, a driving pulley and a braking pulley are selected from an upper return wheel and a lower return wheel
- power can be easily supplied to the driving unit and the braking unit
- maintenance and inspection work of the braking unit can be facilitated.
- the efficiency of maintenance / inspection work can be improved by incorporating a braking section having a relatively high frequency of maintenance / inspection work in the lower return vehicle.
- the force roving method shown in the elevator apparatus of the 2: 1 roving method is not limited to this.
- the rotation axes of all the pulleys are horizontal, but when a pulley having a vertical or substantially vertical rotation axis is used, the pulley can be a drive pulley or a brake pulley.
- the present invention can also be applied to an elevator apparatus having a machine room.
- a steel rope may be used as the main rope, but a resin coated rope having an outer layer covering made of a high friction resin material provided on the outer peripheral portion can also be used.
- a cocoon-coated rope By using a cocoon-coated rope, a large tractive force can be secured with a small brazing angle.
- the resin-coated rope can be applied to a drive sheave having a relatively small diameter because it can be more flexible than a simple steel rope.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2004/013925 WO2006033152A1 (ja) | 2004-09-24 | 2004-09-24 | エレベータ装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2004/013925 WO2006033152A1 (ja) | 2004-09-24 | 2004-09-24 | エレベータ装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006033152A1 true WO2006033152A1 (ja) | 2006-03-30 |
Family
ID=36089919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/013925 Ceased WO2006033152A1 (ja) | 2004-09-24 | 2004-09-24 | エレベータ装置 |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2006033152A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021124389A1 (ja) * | 2019-12-16 | 2021-06-24 | 株式会社日立製作所 | 巻上機及びエレベーター |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09156855A (ja) * | 1995-12-11 | 1997-06-17 | Mitsubishi Electric Corp | エレベータ装置 |
| JP2001039647A (ja) * | 1999-07-30 | 2001-02-13 | Toshiba Corp | エレベータ装置 |
| JP2001151443A (ja) * | 1999-11-30 | 2001-06-05 | Toshiba Digital Media Engineering Corp | 巻上装置及びエレベータ装置 |
| WO2002072461A1 (fr) * | 2001-03-08 | 2002-09-19 | Mitsubishi Denki Kabushiki Kaisha | Ascenseur |
-
2004
- 2004-09-24 WO PCT/JP2004/013925 patent/WO2006033152A1/ja not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09156855A (ja) * | 1995-12-11 | 1997-06-17 | Mitsubishi Electric Corp | エレベータ装置 |
| JP2001039647A (ja) * | 1999-07-30 | 2001-02-13 | Toshiba Corp | エレベータ装置 |
| JP2001151443A (ja) * | 1999-11-30 | 2001-06-05 | Toshiba Digital Media Engineering Corp | 巻上装置及びエレベータ装置 |
| WO2002072461A1 (fr) * | 2001-03-08 | 2002-09-19 | Mitsubishi Denki Kabushiki Kaisha | Ascenseur |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021124389A1 (ja) * | 2019-12-16 | 2021-06-24 | 株式会社日立製作所 | 巻上機及びエレベーター |
| JPWO2021124389A1 (ja) * | 2019-12-16 | 2021-06-24 | ||
| JP7261320B2 (ja) | 2019-12-16 | 2023-04-19 | 株式会社日立製作所 | 巻上機及びエレベーター |
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