EP2810910A1 - Dispositif d'ascenseur - Google Patents

Dispositif d'ascenseur Download PDF

Info

Publication number
EP2810910A1
EP2810910A1 EP12867097.3A EP12867097A EP2810910A1 EP 2810910 A1 EP2810910 A1 EP 2810910A1 EP 12867097 A EP12867097 A EP 12867097A EP 2810910 A1 EP2810910 A1 EP 2810910A1
Authority
EP
European Patent Office
Prior art keywords
wind
car
rectifying cover
cage
upper portion
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.)
Granted
Application number
EP12867097.3A
Other languages
German (de)
English (en)
Other versions
EP2810910B1 (fr
EP2810910A4 (fr
Inventor
Takashi Ishida
Toshiya Suzuki
Masaji Iida
Masahiro Kondo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP2810910A1 publication Critical patent/EP2810910A1/fr
Publication of EP2810910A4 publication Critical patent/EP2810910A4/fr
Application granted granted Critical
Publication of EP2810910B1 publication Critical patent/EP2810910B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B66B11/02—Cages, i.e. cars
    • 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
    • B66B11/02—Cages, i.e. cars
    • B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation

Definitions

  • the present invention relates to an elevator apparatus in which a wind-rectifying cover for suppressing noise that arises when a car travels at high speed is mounted onto the car.
  • streamlined enclosing bodies are disposed above and below a car.
  • Each of the enclosing bodies has: a semi-circular plate-shaped apron cover; three curved covers; and a pair of streamlining covers that cover a pair of roller guiding apparatuses (see Patent Literature 1, for example).
  • the present invention aims to solve the above problems and an object of the present invention is to provide an elevator apparatus that can reduce noise during traveling more effectively by a simple configuration.
  • an elevator apparatus including: a car that is raised and lowered inside a hoistway, the car including: a car frame; and a cage that is supported by the car frame; an upper portion wind-rectifying cover that is disposed on an upper portion of the car; and a rectangular wind-rectifying plate that is disposed on the car above a front surface of the cage so as to suppress inflow of air into a gap between the front surface of the cage and a hoistway wall when the car is traveling upward, wherein: the upper portion wind-rectifying cover includes: a wind-rectifying cover main body; and a wind-rectifying cover linking portion that is disposed between the cover main body and the wind-rectifying plate; an external shape of the wind-rectifying cover main body is a streamlined shape that widens gradually downward from an upper end; and the wind-rectifying cover linking portion includes a semi-tubular portion in which a cross section parallel to the front surface of the cage is constant in a depth
  • an elevator apparatus including: a car that is raised and lowered inside a hoistway, the car including: a car frame; and a cage that is supported by the car frame; a suspending body that is connected to an upper portion of the car frame so as to suspend the car inside the hoistway; a pair of car guiding apparatuses that are mounted onto the car frame so as to engage with a pair of car guide rails that are disposed inside the hoistway; and an upper portion wind-rectifying cover that is disposed on an upper portion of the car, on which a suspending body insertion aperture through which the suspending body passes is disposed, wherein: a pair of left and right opening portions are disposed on the upper portion wind-rectifying cover; the opening portions are positioned in a vicinity of the car frame below the car guiding apparatuses; airflow pathways are formed inside the upper portion wind-rectifying cover such that air that enters through the suspending body insertion apertures when the car is traveling upward is discharged through the opening portions;
  • noise during traveling can be reduced more effectively by a simple configuration.
  • FIG. 1 is a schematic configuration diagram that shows an elevator apparatus according to Embodiment 1 of the present invention.
  • a machine room 2 is disposed in an upper portion of a hoistway 1.
  • a hoisting machine (a driving apparatus) 3, a deflecting sheave 4, and an elevator controlling apparatus (a controlling board) 5 are installed in the machine room 2.
  • the hoisting machine 3 has: a driving sheave 6; a hoisting machine motor that rotates the driving sheave 6; and a hoisting machine brake (an electromagnetic brake) that brakes rotation of the driving sheave 6.
  • a suspending body 7 is wound around the driving sheave 6 and the deflecting sheave 4.
  • a plurality of ropes or a plurality of belts are used as the suspending body 7.
  • a car 8 is connected to a first end portion of the suspending body 7.
  • a counterweight 9 is connected to a second end portion of the suspending body 7.
  • the car 8 and the counterweight 9 are suspended inside the hoistway 1 by the suspending body 7 so as to be raised and lowered inside the hoistway 1 by the hoisting machine 3.
  • the elevator controlling apparatus 5 controls operation of the car 8 by controlling the hoisting machine 3.
  • a pair of car guide rails (not shown) that guide raising and lowering of the car 8 and a pair of counterweight guide rails (not shown) that guide raising and lowering of the counterweight 9 are installed inside the hoistway 1.
  • the car guide rails are disposed on both left and right sides of the car 8.
  • the car 8 has: a car frame 10 to which the suspending body 7 is connected; and a cage 11 that is supported by the car frame 10.
  • a car doorway is disposed on a front surface of the cage 11. The car doorway is opened and closed by a pair of car doors 12.
  • Pairs of landing doors 13 that open and close landing doorways are respectively disposed on landings of a plurality of floors.
  • the landing doors 13 are operated so as to open and close interdependently with the car doors 12 by engaging with the car doors 12 when the car 8 is at a floor.
  • An upper portion wind-rectifying cover 14 is disposed on an upper portion of the car 8.
  • a lower portion wind-rectifying cover 15 is disposed on a lower portion of the car 8.
  • the wind-rectifying covers 14 and 15 suppress noise that arises when the car 8 travels at high speed.
  • a rectangular (oblong) wind-rectifying plate 16 is disposed above the front surface of the cage 11.
  • the wind-rectifying plate 16 suppresses inflow of air into a gap between the front surface of the cage 11 and the hoistway wall 1 a when the car 8 is traveling upward. Noise that is generated by traveling airflow colliding with the car doors 12 is thereby suppressed.
  • the maximum speed of the car 8 when traveling upward is an ultrahigh speed (greater than or equal to 1,000 m/min, for example). Furthermore, the maximum speed of the car 8 when traveling downward is lower than a maximum speed when traveling upward (600 m/min, for example). Because of this, the shape of the upper portion wind-rectifying cover 14 and the shape of the lower portion wind-rectifying cover 15 is asymmetrical vertically.
  • Figure 2 is a side elevation that shows the car 8 from Figure 1 enlarged
  • Figure 3 is a rear elevation that shows the car 8 from Figure 2
  • Figure 4 is a front elevation that shows the car 8 from Figure 2
  • Figure 5 is a plan that shows the car 8 from Figure 2
  • Figure 6 is a bottom plan that shows the car 8 from Figure 2
  • Figure 7 is a side elevation that shows the upper portion wind-rectifying cover 14 from Figure 2
  • Figure 8 is a rear elevation that shows the upper portion wind-rectifying cover 14 from Figure 7
  • Figure 9 is a plan that shows the upper portion wind-rectifying cover 14 from Figure 7 .
  • the car frame 10 has: a pair of left and right vertical frames 10a; and a horizontal upper beam 10b that is fixed between upper end portions of the vertical frames 10a.
  • a pair of upper portion roller guiding apparatuses (car guiding apparatuses) 21 that engage with the car guide rails are mounted onto upper end portions of the car frame 10.
  • a pair of lower portion roller guiding apparatuses (car guiding apparatuses) 22 that engage with the car guide rails are mounted onto lower end portions of the car frame 10.
  • the roller guiding apparatuses 21 and 22 each have three guiding rollers that are rolled along the car guide rails.
  • a plurality of actuators that drive the guiding rollers so as to reduce vibration of the car 8 (active roller guiding systems) are mounted onto each of the roller guiding apparatuses 21 and 22.
  • An upper portion wind-rectifying cover 14 is supported by the car frame 10 so as to be spaced apart from an upper end portion of the cage 11.
  • a strip-shaped rubber sheet 23 that functions as a flexible blocking member is disposed between the upper end portion of the cage 11 and a lower end portion of the upper portion wind-rectifying cover 14. The rubber sheet 23 blocks a gap between the cage 11 and the upper portion wind-rectifying cover 14.
  • the cage 11 displaces vertically relative to the car frame 10 due to load fluctuations on the car 8 (approximately 10 mm, for example). Clearance between the upper end portion of the cage 11 and the lower end portion of the upper portion wind-rectifying cover 14 is at a minimum when the car 8 is in an unloaded state, being approximately 50 mm, for example.
  • a width dimension (a vertical dimension) of the rubber sheet 23 is set to a dimension that is sufficiently larger than the clearance between the upper end portion of the cage 11 and the lower end portion of the upper portion wind-rectifying cover 14 (greater than or equal to 100 mm, for example).
  • the rubber sheet 23 is fixed to the upper end portion of the cage 11 and the lower end portion of the upper portion wind-rectifying cover 14 such that a predetermined amount of play arises when the car 8 is in the unloaded state.
  • the rubber sheet 23 thereby absorbs the vertical displacement of the cage 11 relative to the car frame 10.
  • the thickness of the rubber sheet 23 is approximately 2 mm, for example.
  • the upper portion wind-rectifying cover 14 has: a wind-rectifying cover main body 24; a wind-rectifying cover linking portion 25; and a pair of guiding apparatus covers 26.
  • the wind-rectifying cover main body 24 covers a space above the cage 11 rearward from a vicinity of the upper beam 10b.
  • the wind-rectifying cover linking portion 25 is disposed between the wind-rectifying cover main body 24 and the wind-rectifying plate 16 so as to cover the space above the cage 11 further forward than the upper beam 10b.
  • the guiding apparatus covers 26 are mounted onto the wind-rectifying cover main body 24 so as to cover the upper portion roller guiding apparatuses 21.
  • the external shape of the wind-rectifying cover main body 24 is a streamlined dome shape that widens gradually downward from an upper end.
  • An upper end portion of the wind-rectifying cover main body 24 is positioned almost directly above an intermediate portion of the upper beam 10b.
  • a lower end portion of a back surface of the wind-rectifying cover main body 24 faces an upper end portion of a back surface of the cage 11.
  • Lower end portions of two side surfaces of the wind-rectifying cover main body 24 face upper end portions of two side surfaces of the cage 11.
  • the wind-rectifying cover linking portion 25 has a semi-tubular portion 25a.
  • the external shape of the semi-tubular portion 25a is a shape in which a rectangular tube is cut in half axially (a gate shape), and the cross-sectional shape of the semi-tubular portion 25a is a reverse U shape.
  • the cross section of the semi-tubular portion 25a parallel to the front surface of the cage 11 is constant in a depth direction of the cage 11.
  • the semi-tubular portion 25a has: a flat, horizontal upper surface portion 25b; and a pair of flat side surface portions 25c that are positioned opposite each other.
  • the upper surface portion 25b extends from an upper end portion of the wind-rectifying plate 16 toward the wind-rectifying cover main body 24.
  • the side surface portions 25c extend from two left and right end portions of the wind-rectifying plate 16 toward the wind-rectifying cover main body 24.
  • a continuing portion 25d is disposed at a boundary of the semi-tubular portion 25a with the wind-rectifying plate 16 ( Figure 7 ).
  • the cross-sectional shape of the continuing portion 25d is a circular arc shape that is tangential to both the back surface of the wind-rectifying plate 16 and the upper surface of the upper surface portion 25b.
  • the upper surface portion 25b is positioned higher than the upper end portion of the wind-rectifying cover main body 24.
  • the wind-rectifying plate 16, the wind-rectifying cover main body 24, and the wind-rectifying cover linking portion 25 are each configured by joining aluminum sheets to a steel frame.
  • the external shapes of the guiding apparatus covers 26 are streamlined shapes that widen gradually downward from an upper end. Edges of the guiding apparatus covers 26 are aligned with edges of the wind-rectifying cover main body 24. Each of the guiding apparatus covers 26 is molded integrally using a carbon-fiber-reinforced polymer (CFRP).
  • CFRP carbon-fiber-reinforced polymer
  • a suspending body insertion aperture 24a through which the suspending body 7 passes is disposed on the upper end portion of the wind-rectifying cover main body 24.
  • a pair of left and right opening portions 24b are disposed on the wind-rectifying cover main body 24. The opening portions 24b are positioned in a vicinity of the vertical frames 10a below the upper portion roller guiding apparatuses 21.
  • the space above the cage 11 is covered by the upper portion wind-rectifying cover 14, the wind-rectifying plate 16, and the rubber sheet 23 except for the suspending body insertion aperture 24a and the opening portions 24b.
  • Airflow pathways in which air that enters through the suspending body insertion aperture 24a when the car 8 is traveling upward is discharged through the left and right opening portions 24b are thereby formed inside the upper portion wind-rectifying cover 14.
  • Figure 10 is a side elevation in which airflow pathways that are formed in the upper portion wind-rectifying cover during ascent of the car 8 from Figure 2 are represented by arrows
  • Figure 11 is a cross section that is taken along Line XI - XI in Figure 10
  • Figure 12 is a plan that shows a state in which the upper portion wind-rectifying cover 14 from Figure 11 is removed.
  • Equipment is installed inside the upper portion wind-rectifying cover 14 so as to be distributed between two levels in the space above the cage 11 and the space above the upper beam 10b.
  • An air conditioner 31 is installed above the cage 11.
  • An air pressure controlling fan 33 and a switching valve 34 are installed above the upper beam 10b.
  • the blower 33 and the switching valve 34 are connected by a plurality of connecting ducts 35.
  • the blowing direction of the blower 33 is constant, and air pressure inside the cage 11 is adjusted by switching the air flow using the switching valve 34.
  • Heat that is generated by the equipment inside the upper portion wind-rectifying cover 14 is discharged outside the upper portion wind-rectifying cover 14 by the air flowing along the airflow pathways that are shown in Figures 10 and 11 .
  • the car-side rope fastener portion 36 to which the suspending body 7 is connected is disposed on the upper beam 10b.
  • the continuing portion 25d is disposed at the boundary of the semi-tubular portion 25a with the wind-rectifying plate 16, the flow of air near the back surface of the wind-rectifying plate 16 is smoothed, suppressing inflow of air into the gap between the front surface of the cage 11 and the hoistway wall 1a more effectively, and enabling noise during traveling to be reduced more effectively.
  • the shape of the semi-tubular portion 25a a rectangular shape that has an upper surface portion 25b and side surface portions 25c, inflow of air into the gap between the front surface of the cage 11 and the hoistway wall 1 a is suppressed more effectively, enabling noise during traveling to be reduced more effectively.
  • the guiding apparatus covers 26 that cover the upper portion roller guiding apparatuses 21 are disposed on the upper portion wind-rectifying cover 14, and the edges of the guiding apparatus covers 26 are aligned with the edges of the wind-rectifying cover main body 24, traveling wind turbulence due to the upper portion roller guiding apparatuses 21 is suppressed effectively, enabling noise during traveling to be reduced more effectively.
  • a rubber sheet 23 is shown as the blocking member, but the blocking member may be constituted by other materials.
  • FIG 13 is a side elevation that shows part of an elevator apparatus according to Embodiment 2 of the present invention.
  • a mounting bracket 41 is fixed onto an upper portion of a cage 11.
  • a blocking member 42 that blocks a gap between the cage 11 and an upper portion wind-rectifying cover 14 is mounted onto the mounting bracket 41 so as to be in contact with an inner surface of a lower end portion of the upper portion wind-rectifying cover 14.
  • the blocking member 42 is made of rubber, or sponge, for example.
  • the upper portion wind-rectifying cover 14 is slid on the blocking member 42 by vertical displacement of the cage 11 relative to a car frame 10.
  • the rest of the configuration is similar or identical to that of Embodiment 1.
  • Figure 14 is a side elevation that shows part of an elevator apparatus according to Embodiment 3 of the present invention.
  • a blocking member 43 is fixed horizontally onto an upper portion of a mounting bracket 41, and an end portion of the blocking member 43 contacts an inner surface of a lower end portion of an upper portion wind-rectifying cover 14.
  • the rest of the configuration is similar or identical to that of Embodiment 2.
  • a blocking member 43 of this kind by ensuring a margin of overlap between the blocking member 43 and the upper portion wind-rectifying cover 14, sealability between the cage 11 and the upper portion wind-rectifying cover 14 can also be ensured while allowing vertical displacement of the cage 11.
  • the blocking member 42 or 43 is fixed to the cage 11, but may instead be fixed to the wind-rectifying cover 14.
  • roller guiding apparatuses 21 and 22 of a type that has actuators are used, but may instead have no actuators.
  • the car guiding apparatuses may instead be of a type that has sliding guide shoes.
  • the type of elevator apparatus to which the present invention is applied is not limited to the type in Figure 1 .
  • the present invention can also be applied to machine-roomless elevators, multi-car elevators, or double-deck elevators, for example.
  • the present invention is particularly effective in elevator apparatuses in which a car travels at high speed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
EP12867097.3A 2012-01-31 2012-01-31 Dispositif d'ascenseur Not-in-force EP2810910B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/052121 WO2013114566A1 (fr) 2012-01-31 2012-01-31 Dispositif d'ascenseur

Publications (3)

Publication Number Publication Date
EP2810910A1 true EP2810910A1 (fr) 2014-12-10
EP2810910A4 EP2810910A4 (fr) 2015-10-14
EP2810910B1 EP2810910B1 (fr) 2016-09-07

Family

ID=48904645

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12867097.3A Not-in-force EP2810910B1 (fr) 2012-01-31 2012-01-31 Dispositif d'ascenseur

Country Status (5)

Country Link
EP (1) EP2810910B1 (fr)
JP (1) JP5744241B2 (fr)
KR (1) KR20140116469A (fr)
CN (1) CN104093659B (fr)
WO (1) WO2013114566A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6397732B2 (ja) * 2014-11-13 2018-09-26 株式会社日立製作所 エレベータ装置
EP3031765A1 (fr) * 2014-12-11 2016-06-15 Kone Corporation Cabine d'ascenseur

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5789567U (fr) * 1980-11-19 1982-06-02
JP2734943B2 (ja) 1993-03-22 1998-04-02 株式会社日立製作所 エレベーター装置
SG48858A1 (en) * 1993-07-30 1998-05-18 Hitachi Ltd A elevator car and an elevator system incorporation such an elevator car
US5833031A (en) * 1995-06-02 1998-11-10 Inventio Ag Appendable elevator system
KR100257681B1 (ko) * 1997-03-29 2000-07-01 이종수 엘리베이터의 커버장치
JP4339451B2 (ja) * 1999-07-07 2009-10-07 三菱電機株式会社 エレベーターのかご装置
JP2004338908A (ja) * 2003-05-16 2004-12-02 Toshiba Elevator Co Ltd エレベータかごの整風装置
JP4784950B2 (ja) * 2008-11-07 2011-10-05 東芝エレベータ株式会社 エレベータ装置
US20130098713A1 (en) * 2010-05-03 2013-04-25 Inventio Ag Elevator car and method for operating an elevator system with an elevator car

Also Published As

Publication number Publication date
CN104093659A (zh) 2014-10-08
EP2810910B1 (fr) 2016-09-07
JP5744241B2 (ja) 2015-07-08
EP2810910A4 (fr) 2015-10-14
JPWO2013114566A1 (ja) 2015-05-11
KR20140116469A (ko) 2014-10-02
CN104093659B (zh) 2016-05-04
WO2013114566A1 (fr) 2013-08-08

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