WO2014189074A1 - Dispositif d'échafaudage de fosse d'ascenseur - Google Patents

Dispositif d'échafaudage de fosse d'ascenseur Download PDF

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Publication number
WO2014189074A1
WO2014189074A1 PCT/JP2014/063458 JP2014063458W WO2014189074A1 WO 2014189074 A1 WO2014189074 A1 WO 2014189074A1 JP 2014063458 W JP2014063458 W JP 2014063458W WO 2014189074 A1 WO2014189074 A1 WO 2014189074A1
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WO
WIPO (PCT)
Prior art keywords
pit
car
plate
hoistway
elevator
Prior art date
Application number
PCT/JP2014/063458
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English (en)
Japanese (ja)
Inventor
啓太 島林
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to CN201480029279.4A priority Critical patent/CN105246811A/zh
Priority to JP2015518274A priority patent/JPWO2014189074A1/ja
Publication of WO2014189074A1 publication Critical patent/WO2014189074A1/fr

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Classifications

    • 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
    • B66B5/0043—Devices enhancing safety during maintenance
    • B66B5/005—Safety of maintenance personnel
    • B66B5/0056—Safety of maintenance personnel by preventing crushing
    • 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
    • B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
    • 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
    • B66B5/28—Buffer-stops for cars, cages, or skips

Definitions

  • the present invention relates to an elevator pit scaffolding device installed in a pit for maintenance and inspection of equipment arranged above the bottom of the pit.
  • a support base is provided on the wall in the pit in order to use a pit lap of a certain size regardless of the pit depth.
  • the maintenance staff supports the lower end portion of the pit lap on the support base from the landing and descends to the bottom of the pit via the support base to perform the maintenance inspection.
  • the pit lap is hung in a folded state on a holder provided on the hall wall between the hall floor and the support base (see, for example, Patent Document 1).
  • a work table of a certain size is provided in the shock absorber installed in the pit regardless of the depth of the pit.
  • the maintenance staff gets down to the bottom of the pit and then leans the pit lap on the work table and goes up to the work table to perform the maintenance inspection.
  • the pit lap is tilted to the corner of the bottom of the pit or stored in another place (for example, see Patent Document 2).
  • the present invention has been made to solve the above-described problems, and an pit scaffolding device for an elevator that can perform maintenance and inspection using the same pit and work laps regardless of the pit depth.
  • the purpose is to obtain.
  • the elevator pit scaffolding apparatus includes a plurality of plate support members including a wall-side support member provided on a wall of a hoistway closer to a landing side than a car guide rail in the hoistway pit, and the hoistway pit.
  • a pit plate that is supported by the plate support portion and that has a work surface that is positioned below the floor surface of the lowest floor landing and above the bottom surface of the pit and on which maintenance personnel ride.
  • the pit plate is supported by the plurality of plate support portions including the wall side support member provided on the wall of the hoistway on the landing side with respect to the car guide rail in the hoistway pit. Therefore, the maintenance inspection can be performed using the same pit lap and work lap regardless of the pit depth.
  • FIG. 2 is a cross-sectional view taken along line II-II in FIG.
  • FIG. 3 is a sectional view taken along line III-III in FIG. It is a side view when a cage
  • FIG. 1 is a plan view showing a hoistway pit of an elevator according to Embodiment 1 of the present invention.
  • FIG. 2 is a cross-sectional view taken along the line II-II in FIG.
  • FIG. 3 is a cross-sectional view taken along the line III-III in FIG.
  • a pair of car guide rails 2a and 2b and a pair of counterweight guide rails 3a and 3b are installed in the hoistway 1.
  • the car 4 is raised and lowered in the hoistway 1 along the car guide rails 2a and 2b.
  • the counterweight 5 is raised and lowered in the hoistway 1 in the direction opposite to the car 4 along the counterweight guide rails 3a and 3b.
  • the counterweight 5 is provided at a position farther from the landing 6 than the car 4 in the depth direction (vertical direction in FIG. 1) as viewed from the landing 6 in the hoistway 1.
  • the car guide rails 2a and 2b are arranged near the center in the depth direction of the hoistway 1 (vertical direction in FIG. 1), and on both sides of the car 4 in the width direction of the entrance / exit of the landing 6 (horizontal direction in FIG. 1). Has been placed. Further, the counterweight guide rails 3a and 3b are arranged at positions farther from the platform 6 than the car 4 in the depth direction of the hoistway 1 and on both sides of the counterweight 5 in the width direction of the entrance / exit of the platform 6. Has been placed.
  • a hoisting machine 7 and a control panel 8 are installed at the height of the lowest floor in the hoistway 1. As shown in FIG. 2, the position of the lower end surface of the hoisting machine 7 and the control panel 8 is located above the floor surface 9 of the lowest floor landing 6a for flooding countermeasures.
  • the hoisting machine 7 and the control panel 8 are fixed to the wall surface of the hoistway 1 so as to face one side surface of the car 4 when the car 4 stops at the lowest floor landing 6a.
  • the hoisting machine 7 and the control panel 8 are thin.
  • the hoisting machine 7 has a hoisting machine main body 10 and a drive sheave 11.
  • the hoisting machine main body 10 includes a motor (not shown) that rotates the drive sheave 11 and a brake (not shown) that brakes the rotation of the drive sheave 11.
  • a suspension body 12 for suspending the car 4 and the counterweight 5 is wound around the drive sheave 11.
  • the car 4 and the counterweight 5 are suspended in the hoistway 1 by the suspension body 12, and are raised and lowered in the hoistway 1 by the hoisting machine 7.
  • the hoistway pit 21 is provided with a car buffer 23 and a counterweight buffer 24. Further, the lower end portions of the car guide rails 2a and 2b and the lower end portions of the counterweight guide rails 3a and 3b are fixed to the pit bottom surface 21a.
  • the hoistway pit 21 is provided with a pit scaffolding device 22 for checking equipment such as the hoisting machine 7 and the control panel 8.
  • the pit scaffolding device 22 includes a pit plate 25, a pit trap 26 used when a maintenance worker descends from the lowest floor landing 6 a to the pit plate 25, and a work trap 27 used when a maintenance worker works on the pit plate 25. Have.
  • the pit plate 25 has a work plate portion 25b including a work surface 25a on which maintenance personnel ride, and a plate frame 25c surrounding the work plate portion 25b.
  • the pit plate 25 is provided so that the work surface 25 a of the work plate portion 25 b is horizontal in the hoistway pit 21.
  • the plate frame 25c rises upward from the work surface 25a of the work plate portion 25b.
  • the pit plate 25 is provided between the pit bottom surface 21a and the floor surface 9 of the lowest floor landing 6a.
  • the pit plate 25 is provided so that the work surface 25a of the work plate portion 25b comes below a certain distance L set from the floor surface 9 of the lowest floor landing 6a regardless of the depth of the hoistway pit 21. ing.
  • the pit plate 25 includes a plurality of (two in this example) wall-side support members 30 provided on the wall surface of the hoistway 1 in the range from the landing 6 to the car guide rails 2a and 2b, and a car guide rail.
  • the wall-side support member 30 is provided on the landing side wall surface 21 b of the hoistway pit 21.
  • the wall-side support members 30 are provided at a distance from each other in the width direction of the entrance / exit of the hall 6.
  • the wall-side support member 30 supports the pit plate 25 in a state where it is in contact with the landing side wall surface 21b.
  • an angle member having a substantially L-shaped cross section is used as the wall-side support member 30.
  • the car rail side support member 31 and the weight rail side support member 32 are provided at the same height where the wall side support member 30 is provided from the floor surface 9 of the lowest floor landing 6a in the height direction of the hoistway 1. ing.
  • an angle member having a substantially L-shaped cross section is used, like the wall side support member 30.
  • the car rail side support member 31 is fixed to the opposite side of the car guide rails 2a and 2b to the side on which the car 4 is engaged. Thus, when vertically projected downward from above the hoistway 1, the car rail side support member 31 protrudes from the car guide rails 2 a and 2 b to the side opposite to the car 4.
  • the weight rail side support member 32 is also fixed to the opposite side of the counterweight guide rails 3a and 3b to which the counterweight 5 is engaged. Thereby, when projected vertically from the upper side of the hoistway 1 to the lower side, the weight rail side support member 32 also protrudes from the counterweight guide rails 3a, 3b to the opposite side of the counterweight 5. Further, the weight rail side support member 32 extends toward the car 4 from the surface of the counterweight 5 facing the car 4. Further, the end portion of the weight rail side support member 32 in the depth direction of the hoistway 1 reaches just below the car 4. Further, the weight rail side support member 32 is provided at a position facing the wall side support member 30.
  • the size of the work surface 25a of the work plate portion 25b includes at least a part of the projected range of the car 4 when the car 4 is vertically projected from above the hoistway 1 to the hoistway 7 and the control panel 8. It is set to a size that ensures the inspection range of the equipment.
  • the shape of the work surface 25a is a rectangle in which the width dimension W2 of the pit plate 25 in the width direction of the entrance / exit of the landing 6 is one side and the depth dimension D2 of the pit plate 25 in the depth direction of the hoistway 1 is the other side. Therefore, the hoisting machine 7 is vertically projected from the upper side to the lower side of the hoistway 1 so that the projection range is removed.
  • the width dimension W2 of the pit plate 25 in the width direction of the entrance / exit of the hall 6 is longer than the width dimension W1 of the car 4 on the hall 6 side.
  • the depth dimension D2 of the pit plate 25 in the depth direction of the hoistway 1 is longer than the depth dimension D1 of the car 4.
  • the size of the pit plate 25 is a size that includes most of the projection range of the car 4 when the car 4 and the pit plate 25 are vertically projected from above the hoistway 1 downward.
  • the work surface 25a of the work plate portion 25b has a plurality of through holes 40 (two in this example) for passing the rails of the car guide rails 2a and 2b to the pit bottom surface 21a.
  • the shape of the through hole 40 is a rectangular hole through which each of the car guide rails 2a and 2b can pass.
  • a normal ladder is used as the pit trapping 26.
  • the pit trap 26 is fixed to the wall surface of the same hoistway 1 in which the hoisting machine 7 and the control panel 8 are provided.
  • the lower end of the pit lap 26 is in contact with the pit plate 25.
  • wrap 26 is located above the floor surface 9 of the lowest floor hall 6a.
  • a folding ladder used when maintenance personnel cannot reach the equipment such as the hoisting machine 7 and the control panel 8 is used.
  • a ladder whose ladder does not open on a straight line is used.
  • the work trap 27 is not fixed and can be carried to a place where maintenance personnel work.
  • the car shock absorber 23 is disposed directly below the car 4.
  • the car shock absorber 23 absorbs an impact when the car 4 falls into the hoistway pit 21.
  • the height of the car shock absorber 23 from the pit bottom surface 21 a is adjusted by the support member 28.
  • the strut member 28 has a lower strut portion 28a and an upper strut portion 28b.
  • the lower support column 28a is fixed to the pit bottom surface 21a just below the car 4. Further, the upper end portion of the lower column portion 28 a is in contact with the pit plate 25.
  • the length of the lower support column 28a is set according to the height from the pit bottom surface 21a to the pit plate 25.
  • An upper column part 28b is provided on the upper part of the lower column part 28a via a pit plate 25.
  • Respective fixing plates are provided on the surfaces of the lower support portion 28a and the upper support portion 28b facing each other. In this example, the fixing plates for the lower support portion 28a and the upper support portion 28b are fixed with bolts and nuts with the pit plate 25 sandwiched from above and below.
  • a car shock absorber 23 is provided at the upper end of the upper support column 28b.
  • the upper column part 28b adjusts the height from the pit plate 25 to the car shock absorber 23.
  • the upper support column 28b and the car shock absorber 23 are provided with fixing plates on the surfaces facing each other. In this example, the upper support column 28b and the car shock absorber 23 are fixed by bolts and nuts via a fixing plate.
  • the pit plate 25 is also supported by the lower support portion 28a. Therefore, the pit plate 25 is supported at a total of seven locations, that is, the wall side support member 30, the car rail side support member 31, the weight rail side support member 32, and the lower column portion 28a.
  • the counterweight buffer 24 is disposed directly below the counterweight 5. Further, the counterweight buffer 24 is fixed to the pit bottom surface 21a.
  • FIG. 4 is a side view when the car is pushed down on the shock absorber of FIG.
  • the fixed distance L in which the pit plate 25 is set from the floor 9 of the lowest floor landing 6a is as shown in FIG. 4 when the car 4 is pushed down to the car shock absorber 23 disposed in the hoistway pit 21.
  • the car equipment (in this example, the front sag) 4a mounted on the lower part of the car 4 is set to a distance that does not interfere with the work surface 25a of the work plate part 25b.
  • the maintenance staff gets off the pit plate 25 from the lowest floor landing 6a using the pit turret 26.
  • equipment such as the hoisting machine 7 and the control panel 8 installed above the floor surface 9 of the lowest floor landing 6a is inspected.
  • the work trap 27 may be folded and placed on the pit plate 25 so as not to interfere with the normal operation of the elevator. May be taken out from the hoistway pit 21 and stored in another storage location.
  • the pit plate 25 is provided on the landing side wall surface 21 b below the fixed distance L set from the floor surface 9 of the lowest floor landing 6 a regardless of the depth of the hoistway pit 21.
  • the distance from the pit plate 25 to the hoisting machine 7 and the control panel 8 can be kept constant. Thereby, even when the depth of the hoistway pit 21 becomes deep, the same pit trap 26 and work trap 27 can be used.
  • the fixed distance L in which the pit plate 25 is set from the floor surface 9 of the lowest floor landing 6 a is such that when the car 4 is pushed down to the car shock absorber 23 disposed in the hoistway pit 21, Since the distance between the car equipment 4a mounted on the lower portion and the work surface 25a of the work plate portion 25b is set so as not to interfere with each other, the pit trap 26 and the work can be performed even when the depth of the hoistway pit 21 is minimum. The same thing can be used for the trap 27.
  • the storage location can also be made constant. Thereby, it can prevent that the magnitude
  • the pit plate 25 Since the pit plate 25 is supported by the wall-side support member 30 provided on the wall surface of the hoistway 1 in the range from the landing 6 to the car guide rails 2a and 2b, the position is close to the landing side wall surface 21b side. There is a work surface 25a. As a result, the maintenance staff can easily get off the pit plate 25 from the lowest floor hall 6a.
  • the size of the work surface 25a of the work plate portion 25b is set to a size that secures the inspection range of equipment such as the hoisting machine 7 and the control panel 8, the maintenance staff All inspections can be done with.
  • the pit plate 25 is also provided on the car rail side support member 31 provided on each of the car guide rails 2a and 2b, it is more than when supported only by the wall side support member 30 provided on the landing side wall surface 21b. Also, the strength for supporting the pit plate 25 can be increased.
  • the pit plate 25 is also provided on the weight rail side support member 32 provided on each of the counterweight guide rails 3a and 3b, the pit plate 25 having a large area of the work surface 25a of the work plate portion 25b. When is used, the strength for supporting the pit plate 25 can be increased. Furthermore, since the weight rail side support member 32 is provided at a position facing the wall side support member 30, both end portions of the pit plate 25 can be supported in the depth direction of the hoistway 1. Thereby, the stability which supports the pit plate 25 can be improved.
  • the work surface 25a of the work plate part 25b is fixed.
  • the pit plate 25 having a large area is used, the central portion of the pit plate 25 can be supported. Thereby, the strength for supporting the pit plate 25 can be obtained, and the stability of the pit plate 25 can be further improved.
  • the pit plate 25 is not only strong but also manufactured. There is a risk of increasing the cost.
  • the pit plate 25 is provided with a through hole 40 for passing the rails of the car guide rails 2a and 2b to the pit bottom surface 21a, the car guide rails 2a and 2b pass through the through hole 40 and pass through the pit. It can be fixed to the bottom surface 21a. For this reason, since the pit plate 25 should just have the intensity
  • the wall side support member 30, the car rail side support member 31, the weight rail side support member 32, and the lower support portion 28a are provided in total of seven locations. However, it is not always necessary to provide all of them, and some of them may be omitted. That is, the position and number of the plate support portions can be selected according to the design in consideration of the strength and stability of the pit plate 25.
  • the wall-side support member 30, the car rail-side support member 31, and the weight rail-side support member 32 are angle members having a substantially L-shaped cross section, but are not limited thereto.
  • a block having a substantially rectangular cross section may be used.
  • the pit trap 26 is fixed to the wall surface of the hoistway 1, but the pit trap 26 may be leaned against the wall surface of the hoistway 1 without being fixed.
  • two wall-side support members 30 are provided, but one or three or more wall-side support members 30 may be provided.
  • the wall-side support member 30 is provided on the landing side wall surface 21 b, but the hall 6 is more than the car guide rails 2 a and 2 b on the wall of the hoistway 1 facing the left and right side surfaces of the car 4. It may be provided on the side.
  • the pit plate 25 may be provided with an exit for getting down to a portion below the pit plate 25 of the hoistway pit 21.

Landscapes

  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

La présente invention concerne un dispositif d'échafaudage de fosse d'ascenseur qui comprend : une pluralité de supports de plaque comprenant un élément de support côté paroi situé, dans une fosse de gaine d'ascenseur, sur une paroi dans la gaine d'ascenseur davantage en direction d'un côté palier qu'un rail de guidage de cabine d'ascenseur dans la fosse de gaine d'ascenseur; et une plaque de fosse qui est supportée par les supports de plaque dans la fosse de gaine d'ascenseur et qui est située au-dessous du plancher du palier le plus bas et au-dessus du plancher de la fosse, ladite plaque de fosse possédant une surface de travail sur laquelle un personnel d'entretien peut se tenir.
PCT/JP2014/063458 2013-05-22 2014-05-21 Dispositif d'échafaudage de fosse d'ascenseur WO2014189074A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201480029279.4A CN105246811A (zh) 2013-05-22 2014-05-21 电梯的底坑脚手架装置
JP2015518274A JPWO2014189074A1 (ja) 2013-05-22 2014-05-21 エレベータのピット足場装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-107776 2013-05-22
JP2013107776 2013-05-22

Publications (1)

Publication Number Publication Date
WO2014189074A1 true WO2014189074A1 (fr) 2014-11-27

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PCT/JP2014/063458 WO2014189074A1 (fr) 2013-05-22 2014-05-21 Dispositif d'échafaudage de fosse d'ascenseur

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JP (1) JPWO2014189074A1 (fr)
CN (1) CN105246811A (fr)
WO (1) WO2014189074A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017218258A (ja) * 2016-06-06 2017-12-14 三菱電機ビルテクノサービス株式会社 エレベーター用足場台
CN111148710A (zh) * 2017-09-29 2020-05-12 三菱电机株式会社 电梯用底坑梯子装置和电梯用层站门装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018033988A1 (fr) * 2016-08-18 2018-02-22 三菱電機株式会社 Procédé de modification d'ascenseur et rail de guidage d'ascenseur
CN109335909B (zh) * 2018-11-16 2020-05-08 立达博仕电梯（苏州）有限公司 一种安全的电梯井道底坑架
JP6852753B2 (ja) * 2019-05-31 2021-03-31 三菱電機ビルテクノサービス株式会社 エレベーター装置

Citations (3)

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Publication number Priority date Publication date Assignee Title
JPS52150167U (fr) * 1976-05-11 1977-11-14
JP2002020051A (ja) * 2000-07-03 2002-01-23 Hitachi Building Systems Co Ltd エレベータのピット内作業床装置
JP2005132569A (ja) * 2003-10-30 2005-05-26 Hitachi Building Systems Co Ltd エレベータのピット内作業台装置

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
JPH05155554A (ja) * 1991-12-03 1993-06-22 Mitsubishi Electric Corp エレベータの緩衝装置
CN101066733B (zh) * 2006-12-13 2010-09-29 上海永大电梯设备有限公司 折叠式检修平台
CN200995922Y (zh) * 2006-12-26 2007-12-26 蒋燕青 一种下前机房电梯

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52150167U (fr) * 1976-05-11 1977-11-14
JP2002020051A (ja) * 2000-07-03 2002-01-23 Hitachi Building Systems Co Ltd エレベータのピット内作業床装置
JP2005132569A (ja) * 2003-10-30 2005-05-26 Hitachi Building Systems Co Ltd エレベータのピット内作業台装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017218258A (ja) * 2016-06-06 2017-12-14 三菱電機ビルテクノサービス株式会社 エレベーター用足場台
CN111148710A (zh) * 2017-09-29 2020-05-12 三菱电机株式会社 电梯用底坑梯子装置和电梯用层站门装置
CN111148710B (zh) * 2017-09-29 2022-06-17 三菱电机株式会社 电梯用底坑梯子装置和电梯用层站门装置

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JPWO2014189074A1 (ja) 2017-02-23
CN105246811A (zh) 2016-01-13

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