WO2004080876A1 - エレベータ装置 - Google Patents
エレベータ装置 Download PDFInfo
- Publication number
- WO2004080876A1 WO2004080876A1 PCT/JP2003/002928 JP0302928W WO2004080876A1 WO 2004080876 A1 WO2004080876 A1 WO 2004080876A1 JP 0302928 W JP0302928 W JP 0302928W WO 2004080876 A1 WO2004080876 A1 WO 2004080876A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- car
- drive
- main rope
- main
- elevator apparatus
- 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
- B66B11/0065—Roping
- B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
Definitions
- the present invention relates to an elevator device in which a hoist is installed at the top of a hoistway.
- the winding angle of the main rope with respect to the drive sheave is small. Therefore, an expensive special main line made of high friction material is employed in the elevator apparatus having such a configuration, and furthermore, the main line is wound around the outer peripheral surface of the drive sheave of the hoisting machine. An undercut groove with a special cross-sectional shape is adopted as the main rope engaging groove.
- the elevator apparatus proposed in the international publication WO 02/16624 pamphlet uses a 1: 1 roving method, and is provided in a car and a counterweight.
- a hanging section was provided at the top of each basket and counterweight.
- the main ropes had a structure that suspended the tops of the car and the counterweight. Therefore, there was a problem that the upper and lower dimensions corresponding to the hanging part had to be secured above the car and the counterweight. Disclosure of the invention
- the present invention has been made to solve the above-described problems, and can be configured at low cost by using a general-purpose main rope, and can also reduce the vertical dimension of the hoistway. It is another object of the present invention to obtain an elevator device that can extend the life of the main rope.
- An elevator apparatus is provided with a driving device having a driving sheep disposed in an upper part of a hoistway, a main rope wound around the driving sheave, and a main rope hung in the hoistway.
- the car and the counterweight are suspended in the hoistway in a 1: 1 roving method, and the first main rope is provided.
- Drive sheep so that a predetermined frictional force is generated between them and the drive sheave, and two drawers extending in different directions from the drive sheave intersect at a predetermined position.
- the drive unit is arranged so that the rotation axis of the drive sheave is perpendicular to the vertical line so that the first main ropes do not touch each other at the position where the first main ropes intersect. It is installed at an angle to make an acute angle, and the hoistway In the upper part of the inside, there are provided a first deflecting wheel for guiding the first main line from the drive unit to the car, and a second deflecting wheel for guiding the first main line from the drive unit to the counterweight.
- FIG. 1 is a plan view showing a machine room-less type elevator apparatus according to Embodiment 1 of the present invention.
- FIG. 2 is a front view of main parts of the elevator apparatus of FIG.
- FIG. 3 is a detailed view of the mouth bing as viewed in the direction of arrow A in FIG.
- FIG. 4 is a detailed roping view taken in the direction of arrow B in FIG. 1 showing the arrangement of the drive sheave and the deflecting vehicle.
- FIG. 5 is a plan view of the hoist illustrating the winding angle of the drive ship.
- FIG. 6 is a cross-sectional view showing the shape of the main rope engaging groove formed on the outer peripheral surface of the drive sheave.
- FIG. 7 is a plan view showing a machine room-less type elevator apparatus according to Embodiment 2 of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a plan view showing a machine room-less type elevator device according to Embodiment 1 of the present invention
- FIG. 2 is a front view of a main part of the elevator device of FIG. 1
- FIG. Fig. 1 is a detailed view of the mouth-bing in Fig. 1 showing the arrangement of the deflecting vehicle.
- Fig. 4 is a detailed view of the roving in arrow B in Fig. 1 showing the arrangement of the drive sheep and the deflecting car.
- FIG. 6 is a plan view of the hoist illustrating the winding angle of the drive sheep.
- FIG. 6 is a cross-sectional view showing the shape of a main rope engaging groove formed on the outer peripheral surface of the drive sheep. In FIGS. 3 and 4, the second main rope 31 is omitted.
- a pair of car guide rails 2 and a pair of counterweight guide rails 3 extend in the hoistway 1 along the hoisting direction of the car 4.
- the car 4 is guided by the car guide rail 2 and moves up and down in the hoistway 1.
- the counterweight 5 is guided by the counterweight guide rail 3 and moves up and down in the hoistway 1.
- car guides 6 having a U-shaped cross section that engage with the car guide rails 2 are provided.
- a plurality of counterweight guide guides 7 that engage with the counterweight guide rails 3 are provided at the upper and lower ends of both sides of the counterweight 5.
- the support base 8 includes a substantially rectangular frame-shaped main body portion 8a that makes one round along the inner peripheral surface of the hoistway 1, and a beam portion 8 that is provided to extend over two opposing sides of the main body portion 8a. It consists of b.
- a drive device (winding machine) 9 and a return wheel 10 are installed on the support base 8.
- the drive device 9 has a motor 11 and a drive sheave 12 rotated by the motor 11.
- the drive device 9 has a thin flat external shape whose axial length is shorter than its outer diameter.
- the driving device 9 has an axis of the driving sheep 12 extending in a substantially vertical direction and having an inclination of 2.5 degrees from the vertical. It is arranged so that it is inclined.
- the return wheel 10 is disposed so that its axis extends in the vertical direction, and is inclined so as to have an inclination of 2.5 degrees from the vertical line.
- the driving device 9 is disposed above a part of the corner of the car 4 as shown in FIG.
- the drive Sheep 1 2, first, second Jer one motor for general purpose main rope 3 0 3 3 1 to the main ropes are wound in the winding angle of about 2 5 5 degrees.
- the winding angle is, as shown in FIG. 5, the angle of the part where the main ropes 30 and 31 wound around the outer periphery of the drive sheave 12 are in contact with the drive sheave 12. More specifically, it is an angle representing the distance from the contact start point to the contact end point of the main ropes 30 and 31 with respect to the drive sheep 12.
- a car 4 is suspended from one end of each of the main ropes 30 and 31.
- a counterweight 5 is suspended from the other end of the main ropes 30 and 31. That is, the car 4 and the counterweight 5 are suspended in the hoistway 1 by a 1: 1 roving method.
- one end of the main rope 30 is connected to a lower beam end 4a of the cage 4 by a hanging portion 20a composed of a rope shirt 13a and a cushioning material 14a (FIG. 2).
- the other end of the main rope 3 1 is connected to the lower beam end 4 b of the car 4 (left side in FIG.
- the support 8 is further equipped with a first deflecting deflecting vehicle 17, a second deflecting deflecting vehicle 18 and a third deflecting deflecting vehicle 19 It has been.
- the first turning deflector 17 turns and guides the first main rope 30 extending from the drive sheave 12 to the lower beam end 4 a of the car 4.
- the third diverting car 19 extends from the drive sheave 12 and turns the second main rope 3 1 turned back by the car 10 into the lower beam end 4 b of the car 4.
- the second turning deflector 18 turns two main ropes 30, 31 wound around the driving sheave 12 and extending to the other, and guides them to the counterweight 5.
- the second turning deflector 18 is composed of two main ropes 30 and 31 extending from the driving sheave 12 to the first turning deflector 17 and the return turn 10, respectively, and a drive sheave.
- the two main ropes 30 and 31 extending to the third turning baffle 19 after being wound around 12 are arranged so as not to interfere with each other at a position where they intersect.
- the first, second and third deflecting deflecting wheels 17, 18 and 19 are arranged such that their rotation axes extend in the horizontal direction.
- the first and third deflecting deflecting wheels 1 ⁇ and 19 are arranged so as to overlap with the car 4 in the vertical projection plane.
- the second deflecting wheel 18 is disposed so as to overlap the counterweight 5 in the vertical projection plane.
- the support base 8 is further provided with an elevator device such as a control panel 32 for controlling the elevator and a governor 33 for controlling the speed of the elevator.
- elevator devices are arranged so that they do not come out of the vertical dimension D (Fig. 2) required by the drive unit 9 and the first, second and third deflecting wheels 17, 18 and 19. Is established.
- FIG. 6 is a cross-sectional view showing the shape of the main rope engaging groove 12a around which the first and second main ropes 30 and 31 are wound around the drive sheep 12.
- the two main rope engaging grooves 12 a formed on the outer peripheral surface of the drive ship 12 have a groove width similar to the diameter of the main ropes 30 and 31. It is constituted by a groove having a U-shaped cross section, and is configured to increase the area of contact between the main ropes 30 and 31 and the drive sheave 12 to reduce the surface pressure.
- the first main rope 30 is provided with two pullouts extending in different directions from the drive sheave 12 for the purpose of generating a predetermined frictional force with the drive sheave 12.
- the drive sheave 12 is wound around the drive sheaves 12 so that the portions 30a and 30b intersect at predetermined positions.
- the drive unit 9 is arranged so that the rotation axis of the drive sheave 12 is perpendicular to the vertical line so that the first main ropes 30 do not come into contact with each other at the position where the first main ropes 30 intersect. It is installed at an acute angle (2.5 degrees).
- a first deflector car 17 that guides the first main rope 30 from the drive unit 9 to the car 4 and a first weight of the first main rope 30 from the drive unit 9 are balanced.
- a second deflecting car 18 leading to 5 is provided.
- two drawers 31a and 3lb extending in different directions from the drive sheave 12 are provided at predetermined positions.
- the second main rope 31 is wound around the drive sheave 12 so as to intersect with each other.
- the upper part of the hoistway 1 further includes a third part extending in a predetermined direction from the driving device 9.
- a return car 10 that turns back the main rope 3 1 of the second car, and a third deflector car 19 that guides the second main rope 31 that is turned back by the return car 10 to the car 4 are provided.
- the rotation axis is inclined at an acute angle (2.5 degrees) with respect to the vertical line so that it does not contact the second main rope 31 extending toward the deflector wheel 19 of 3 I have.
- the elevator apparatus according to the present embodiment can be configured at a low cost by using general-purpose main ropes 30 and 31.
- the life of the main ropes 30 and 31 can be extended. Can be extended.
- the drive device 9 since the drive device 9 has a thin flat outer shape whose axial length is shorter than its outer diameter, the vertical dimension of the hoistway 1 can be reduced.
- a main rope 30 is Katachikoku the outer peripheral surface of the drive unit 9,: 3 main rope engagement grooves 12 1 'is engaged is a U-shaped cross-section. Therefore, the contact area between the drive sheave 12 and the main ropes 30 and 31 can be increased, and it becomes easy to generate a predetermined frictional force.
- the car 4 is suspended by connecting the main ropes 30 and 31 to the lower part of the car 4.
- the car 4 since the car 4 is suspended by connecting the main ropes 30, 3 1 to the lower beam ends 4 a, 4 b, the rope shirt crew 13 a extending upward from the lower beam ends 4 a, 4 b , 13b and cushions 14a, 14b, the length of the hanging part 20a, 2Ob is offset by the vertical length of the car 4, and the overall vertical dimension of the car 4 must be shorter than before.
- the vertical dimension of the hoistway 1 can be reduced.
- the first, second and third deflecting wheels 17, 18 and 19 are each installed such that the axis of rotation is horizontal and in the vertical projection plane, the car 4 or the counterweight 5 and the other. Since they are arranged so as to overlap, the cross section of the hoistway 1 can be reduced, and a small space elevator device can be provided.
- drive unit 9 governor 33, return wheel 10, first, second and third deflector wheels
- the vertical direction of the second and third deflecting wheels 17, 18, and 1 and the range from the drive sheave 9 to the opposite side of the rope groove 12a and the drive sheave 12 to the opposite side of the drive sheave 12 (D in Figure 2) Within is set up. Therefore, the vertical dimension of the hoistway 1 can be reduced.
- the support 8 is supported on the upper end of the guide rail 2. Therefore, the support structure can be easily constructed, and an inexpensive elevator device can be provided. Further, the support 8 is supported by the guide rail 2 via a vibration isolator 34. Therefore, devices such as the driving device 9, the governor 33, the return wheel 10, the first, second and third deflecting wheels 17, 18, 18 and 19 generated when the car 4 is raised and lowered. The vibration of the vehicle is prevented from being transmitted to the guide rails 2, the vibration can be reduced with a simple structure, a comfortable ride can be obtained, and the cost does not increase.
- the winding angle of the main ropes 30 and 31 around the drive sheave 12 is increased as compared with the conventional one, and the main
- the contact area by making the shape of the cable engaging groove into a U-shaped cross section, a special high-friction main cable is used as in the past, and this high-friction main cable is digged in to raise the traction. It eliminates the need for a drive sheep in which a main rope engaging groove is formed, ensures predetermined traction even when a general-purpose main rope is used, and further extends the life of the main ropes 30 and 31. Can be longer.
- two main ropes the first and second main ropes 30 and 31 are used as the main ropes. Because you want to connect. That is, in the present embodiment, if the main cable is to be connected to the top of the car 4 and suspended, only one main cable is possible, and one of the main cables is omitted. You may.
- the first and second main ropes 30 and 31 are wound around the drive sheave 12 at a winding angle of about 255 degrees.
- the maximum for the deflecting wheels 17 to 19 This is because the hoisting machine 9 is arranged at a remote position.
- the inclination angle of the drive unit 9 and the return wheel 10 of the present embodiment is 2.5 degrees with respect to the vertical line, but if the angle is larger than this, the main ropes 30 and 31 will come off.
- the corner of the shear groove 12 a contacts the main ropes 30 and 31, and the main ropes 30 and 3 1 And rope groove 1 2 a may be damaged High performance.
- a main rope having a high tension and a small diameter can be used instead of using a general-purpose main rope.
- the diameter of the drive sheep 12 and the first, second, and third direction deflectors 17, 18 3 19 using the small-diameter rope is reduced (sheep diameter / main rope diameter 40) can be achieved.
- the drive device 9 can be downsized.
- the driving device 9 since the driving device 9 is disposed above the corner of the car 4 as described above, the driving device 9 and the first, second, and third direction-turning deflector vehicles 17, 7, 1 It is possible to secure a sufficient distance between the wires 8 and 19 to twist the main ropes 30 and 31 and to secure a sufficient winding angle with respect to the drive sheave 12. I can do it.
- Embodiment 2
- FIG. 7 is a plan view showing a machine room-less type elevator apparatus according to Embodiment 2 of the present invention.
- the counterweight 5 is arranged on the side of the car 4 in the hoistway 1, that is, on the side, but in the present embodiment, as shown in FIG.
- a counterweight 5 is arranged beside the basket 4.
- Other configurations are the same as in the first embodiment.
- the invention of the present application can be applied to the elevator apparatus having such a configuration, and in the present embodiment, the counterweight 5 is connected to the car 4 by the first deflecting wheel 17 and Since it is arranged on the side opposite to the return wheel 10, the winding angle can be made larger than in the device of the first embodiment.
- the driving device 9 and the first, second, and third deflecting wheels 17, 18, and 19 are attached to the upper end of the guide rail 2 by the support base 8.
- the drive unit and the turning vehicle may be supported directly from the ceiling of the hoistway 1 or the building.
- the support 8 may be directly supported by the ceiling of the hoistway 1 or the building. Industrial potential
- the present invention is most suitable for an elevator that is installed in a small space, and moreover, it is optimal for an elevator that is inexpensive and that facilitates maintenance and inspection work.
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004564071A JP4316507B2 (ja) | 2003-03-12 | 2003-03-12 | エレベータ装置 |
PCT/JP2003/002928 WO2004080876A1 (ja) | 2003-03-12 | 2003-03-12 | エレベータ装置 |
DE60333795T DE60333795D1 (de) | 2003-03-12 | 2003-03-12 | Aufzugsvorrichtung |
CNB038053934A CN1313347C (zh) | 2003-03-12 | 2003-03-12 | 电梯装置 |
EP03710322A EP1602611B1 (en) | 2003-03-12 | 2003-03-12 | Elevator apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/002928 WO2004080876A1 (ja) | 2003-03-12 | 2003-03-12 | エレベータ装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004080876A1 true WO2004080876A1 (ja) | 2004-09-23 |
Family
ID=32983448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/002928 WO2004080876A1 (ja) | 2003-03-12 | 2003-03-12 | エレベータ装置 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1602611B1 (ja) |
JP (1) | JP4316507B2 (ja) |
CN (1) | CN1313347C (ja) |
DE (1) | DE60333795D1 (ja) |
WO (1) | WO2004080876A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6118720B2 (ja) * | 2013-12-19 | 2017-04-19 | 株式会社日立製作所 | エレベーター装置 |
CN113104696B (zh) * | 2021-04-27 | 2023-03-24 | 赛奥智能电梯(苏州)有限公司 | 背躺排驱动的低顶层无机房电梯 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5370205A (en) * | 1992-07-07 | 1994-12-06 | Kone Elevator Gmbh | Traction sheave elevator |
US6006865A (en) * | 1996-11-11 | 1999-12-28 | Inventio Ag | Lift installation with drive unit arranged in the lift shaft |
EP1057771A2 (en) | 1999-06-03 | 2000-12-06 | Mitsubishi Denki Kabushiki Kaisha | Positioning of a hoisting machine |
WO2002016247A1 (fr) | 2000-08-21 | 2002-02-28 | Mitsubishi Denki Kabushiki Kaisha | Dispositif ascenseur |
WO2002022486A1 (fr) * | 2000-09-12 | 2002-03-21 | Mitsubishi Denki Kabushiki Kaisha | Dispositif d'ascenseur |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4191331B2 (ja) * | 1999-01-08 | 2008-12-03 | 三菱電機株式会社 | エレベーター装置 |
JP4191333B2 (ja) * | 1999-08-26 | 2008-12-03 | 三菱電機株式会社 | エレベーター巻上機 |
KR100444936B1 (ko) * | 2000-05-26 | 2004-08-18 | 미쓰비시덴키 가부시키가이샤 | 엘리베이터장치 |
-
2003
- 2003-03-12 WO PCT/JP2003/002928 patent/WO2004080876A1/ja active Application Filing
- 2003-03-12 CN CNB038053934A patent/CN1313347C/zh not_active Expired - Fee Related
- 2003-03-12 EP EP03710322A patent/EP1602611B1/en not_active Expired - Lifetime
- 2003-03-12 JP JP2004564071A patent/JP4316507B2/ja not_active Expired - Fee Related
- 2003-03-12 DE DE60333795T patent/DE60333795D1/de not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5370205A (en) * | 1992-07-07 | 1994-12-06 | Kone Elevator Gmbh | Traction sheave elevator |
US6006865A (en) * | 1996-11-11 | 1999-12-28 | Inventio Ag | Lift installation with drive unit arranged in the lift shaft |
EP1057771A2 (en) | 1999-06-03 | 2000-12-06 | Mitsubishi Denki Kabushiki Kaisha | Positioning of a hoisting machine |
JP2001048451A (ja) * | 1999-06-03 | 2001-02-20 | Mitsubishi Electric Corp | エレベーター装置 |
WO2002016247A1 (fr) | 2000-08-21 | 2002-02-28 | Mitsubishi Denki Kabushiki Kaisha | Dispositif ascenseur |
WO2002022486A1 (fr) * | 2000-09-12 | 2002-03-21 | Mitsubishi Denki Kabushiki Kaisha | Dispositif d'ascenseur |
Non-Patent Citations (1)
Title |
---|
See also references of EP1602611A4 * |
Also Published As
Publication number | Publication date |
---|---|
DE60333795D1 (de) | 2010-09-23 |
JP4316507B2 (ja) | 2009-08-19 |
EP1602611B1 (en) | 2010-08-11 |
CN1313347C (zh) | 2007-05-02 |
JPWO2004080876A1 (ja) | 2006-06-08 |
CN1639045A (zh) | 2005-07-13 |
EP1602611A1 (en) | 2005-12-07 |
EP1602611A4 (en) | 2009-03-18 |
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