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WO2019155605A1 - Plate-forme de travail d'ascenseur et ascenseur - Google Patents

Plate-forme de travail d'ascenseur et ascenseur Download PDF

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Publication number
WO2019155605A1
WO2019155605A1 PCT/JP2018/004599 JP2018004599W WO2019155605A1 WO 2019155605 A1 WO2019155605 A1 WO 2019155605A1 JP 2018004599 W JP2018004599 W JP 2018004599W WO 2019155605 A1 WO2019155605 A1 WO 2019155605A1
Authority
WO
WIPO (PCT)
Prior art keywords
car
elevator
connecting member
restriction
stop device
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
Application number
PCT/JP2018/004599
Other languages
English (en)
Japanese (ja)
Inventor
浩史 川上
智貴 仮屋
麻里 大菅
章 永尾
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2019570241A priority Critical patent/JP6965371B2/ja
Priority to PCT/JP2018/004599 priority patent/WO2019155605A1/fr
Priority to CN201880087792.7A priority patent/CN111655603B/zh
Publication of WO2019155605A1 publication Critical patent/WO2019155605A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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

Definitions

  • the present invention relates to an elevator work table installed on an upper part of a passenger car and an elevator equipped with the elevator work table.
  • Patent Document 1 describes a technique including an inspection work floor installed on a car, a work driver that raises the inspection work floor, and a guide rail that guides the rise of the inspection work floor. .
  • This purpose is to provide an elevator work table and an elevator that can be detachably installed in a car in a state of ensuring safety in consideration of the above problems.
  • an elevator work platform includes a connecting member that is detachably attached to an upper surface portion of an elevator car in a vertical direction, and a work floor assembly that is detachably supported by the connecting member. And a solid.
  • the connecting member can be attached to the car when a stop device provided on the upper surface portion of the car is operated to restrict the raising / lowering movement of the car.
  • the elevator is provided on the upper and lower surfaces of the car for moving up and down in the hoistway provided in the building structure, and a stop device for restricting the car from moving up and down, And an elevator work table that is detachably installed on the upper surface.
  • the elevator work table the elevator work table described above is used.
  • the elevator work table and the elevator can be detachably installed in the car while ensuring safety.
  • FIG. 1 is a schematic configuration diagram illustrating a configuration example of the elevator according to the present example.
  • FIG. 2 is a plan view showing a hoistway of the elevator.
  • the elevator 1 of this example is provided in a hoistway 110 formed in a building structure.
  • the elevator 1 moves up and down in the hoistway 110 and includes a car 120 on which people and luggage are placed, a main rope (not shown), a counterweight, a hoisting machine, and the like.
  • a maintenance target device 150 such as a hoisting machine is installed at the top of the hoistway 110.
  • One end of the main rope in the axial direction is connected to the upper portion of the car 120, and the other end of the main rope in the axial direction is connected to the upper portion of the counterweight. Therefore, the car 120 is connected to the counterweight via the main rope.
  • a car side guide rail 201 is erected along the hoistway 110 in the hoistway 110.
  • a car 120 is slidably supported on the car-side guide rail 201 via a slider (not shown).
  • the car 120 moves up and down in the hoistway 110 along the pair of car-side guide rails 201.
  • the direction in which the car-side guide rail 201 extends, that is, the direction in which the car 120 moves up and down is defined as the vertical direction.
  • the car 120 moves to the vicinity of the top of the hoistway 110 during maintenance inspection of the maintenance target device 150.
  • FIG. 2 is a plan view showing an upper surface portion of the car.
  • an upper beam 121 indicating an example of a support member and a stopping device 130 are provided on the upper surface portion 120 a of the car 120.
  • the upper beam 121 is provided so as to extend in the horizontal direction perpendicular to the vertical direction on the upper surface portion 120 a of the car 120.
  • a fixing hole 121b for fixing the work table 10 to be described later is provided on the upper surface of the upper beam 121 in the vertical direction.
  • car-side guide rails 201 are arranged on both sides of the upper beam 121 of the car 120 in the longitudinal direction. Furthermore, a maintenance target device 150 is installed in the hoistway 110 (see FIG. 1) on one end side in the longitudinal direction of the upper beam 121 in the car 120.
  • the stop device 130 is disposed at both ends of the upper beam 121 on the upper surface of the car 120. In FIG. 2, only the stopping device 130 arranged on the maintenance target device 150 side is shown.
  • the stopping device 130 mechanically and electrically regulates the up-and-down movement of the car 120 during maintenance inspection of the maintenance target device 150.
  • the stop device 130 includes an accommodation member 131, a lock member 132, a guide member 133, and a switch 136.
  • the housing member 131 is fixed to the upper surface 121a of the car 120.
  • the housing member 131 has a substantially U-shaped cross section cut in the vertical direction.
  • the housing member 131 is formed with a housing recess 131a having an upper surface opened in the vertical direction.
  • a lock member 132 is housed in the housing recess 131a.
  • a guide member 133 is disposed at an end of the housing member 131 on the car side guide rail 201 side.
  • the guide member 133 has a substantially U-shaped cross-section cut in the horizontal direction.
  • the guide member 133 includes a pair of guide surface portions 134 and 134 that face each other in the horizontal direction, and a connection surface portion 135 that connects the pair of guide surface portions 134 and 134.
  • the pair of guide surface portions 134 and 134 are opposed to each other with an interval in the longitudinal direction of the upper beam 121.
  • a guide hole 134 a is formed in the guide surface portion 134.
  • the lock member 132 is slidably inserted into the guide hole 134a.
  • the lock member 132 is formed of a rod-shaped member.
  • the lock member 132 is slidably supported by the guide member 133.
  • One end of the locking member 132 in the axial direction faces the car-side guide rail 201.
  • the other end of the lock member 132 in the axial direction is housed in the housing member 131.
  • the other end of the lock member 132 is connected to the switch 136.
  • the switch 136 is disposed at the end of the housing member 131 opposite to the upper beam 121.
  • the switch 136 is electrically connected to a control unit (not shown) that controls the entire elevator 1 by wire or wirelessly.
  • the elevator work table 10 (hereinafter simply referred to as “work table”) 10 is detachably attached to an upper portion in the vertical direction of the car 120 having the above-described configuration during maintenance inspection of the maintenance target device 150.
  • FIG. 3 is a perspective view showing the workbench 10
  • FIG. 4 is a plan view showing a state where the workbench 10 is installed on the car 120
  • FIG. 5 is a side view showing the workbench 10.
  • the work table 10 includes a first connecting member 11, a second connecting member 12, a work floor assembly 15, and a fall prevention book 16.
  • the first connecting member 11 is fixed to one end portion in the longitudinal direction of the upper beam 121
  • the second connecting member 12 is fixed to an intermediate portion in the longitudinal direction of the upper beam 121.
  • the first connecting member 11 and the second connecting member 12 are detachably fixed to the upper beam 121 via fixing bolts 61, respectively.
  • the work floor assembly 15 is detachably fixed to the first connecting member 11 and the second connecting member 12 via support bolts 62.
  • FIG. 6 is a plan view showing the first connecting member 11
  • FIG. 7 is a side view showing the first connecting member 11.
  • the first connecting member 11 includes a fixed surface portion 21, a support surface portion 22, a regulating plate 23, and a protective cover 24.
  • the fixed surface portion 21 is formed in a rectangular substantially flat plate shape.
  • the fixing surface portion 21 is provided with a fastening hole 21a into which a fixing bolt 61 (see FIG. 5) is screwed.
  • the fixed surface portion 21 is placed on the upper surface portion 121 a of the upper beam 121 and is fastened and fixed to the upper beam 121 via the fixing bolt 61.
  • a support surface portion 22 is continuously formed substantially vertically.
  • the support surface portion 22 is bent substantially vertically from one end portion of the fixed surface portion 21 upward in the vertical direction.
  • the support surface portion 22 is provided with a fastening portion 22a into which the support bolt 62 is screwed.
  • a support column 31 of a work floor assembly 15 described later is fastened and fixed to the support surface portion 22 via a support bolt 62.
  • a reinforcing surface portion 25 is provided at a corner portion between the fixed surface portion 21 and the support surface portion 22 so as to connect the fixed surface portion 21 and the support surface portion 22.
  • a regulating plate 23 is provided at the other end of the fixed surface 21 opposite to the one end where the support surface 22 is provided.
  • the restriction plate 23 is bent substantially vertically from the end of the fixed surface 21 opposite to the end where the reinforcing surface 25 is provided, downward in the vertical direction.
  • a protective cover 24 is attached to the other end portion of the fixed surface portion 21 by a fixing screw 28.
  • the protective cover 24 protrudes from the other end portion of the fixed surface portion 21 with a predetermined length, and the distal end portion is bent downward in the vertical direction.
  • the protective cover 24 covers the upper portion of the switch 136 of the stop device 130 in the vertical direction.
  • the second connecting member 12 has a fixed surface portion 21 and a support surface portion 22, similarly to the first connecting member 11.
  • the second connecting member 12 has a configuration in which the restriction plate 23 and the protective cover 24 are removed from the first connecting member 11, and the other configurations are the same, and thus the description thereof is omitted.
  • FIG. 8 is a side view showing a state in which the work floor assembly 15 is folded.
  • the work floor assembly 15 has two support columns 31, 31, a base portion 32, and a floor member.
  • the two support columns 31, 31 are fixed to the first connecting member 11 or the second connecting member 12 via support bolts 62.
  • the lower end portion of the support column 31 in the vertical direction is fastened and fixed to the side surface portion 121 c of the upper beam 121 via a fixing bolt 63.
  • the reinforcing member 52 is fixed so as to connect the two support columns 31, 31.
  • the support column 31 is formed with a locking portion 31 a.
  • the locking portion 31 a is formed by cutting out the end opposite to the upper beam 121 at the lower end in the vertical direction of the support column 31.
  • a rotating shaft 36 is attached to the upper end of the support column 31 in the vertical direction.
  • a base portion 32 is rotatably supported on the rotation shaft 36. Therefore, the two support columns 31 and 31 and the base portion 32 are connected via the rotation shaft 36.
  • the two support columns 31, 31 and the base portion 32 overlap each other by rotating the two support columns 31, 31 around the rotation shaft 36.
  • the work floor assembly 15 can be folded small, and the work work of the work floor assembly 15 can be performed easily. Furthermore, the space for storing the work floor assembly 15 can be reduced.
  • the base portion 32 is formed in a substantially flat plate shape.
  • a plurality of openings 32 a are formed on one surface of the base portion 32. Thereby, weight reduction of the work floor assembly 15 can be achieved.
  • a support body 37 is rotatably attached to a side surface portion of the base portion 32.
  • the support body 37 is formed by bending a rod-shaped member.
  • a rotating pin 37 a is provided at one end of the support 37.
  • the rotation pin 37a is rotatably supported on the side surface portion of the base portion 32.
  • a locking piece 37 b is provided at the other end of the support 37 opposite to the one end.
  • the locking piece 37b is detachably locked to the locking portion 31a. Therefore, the support body 37 is interposed between the base portion 32 and the support column 31.
  • a floor member 34 is placed on one surface of the base portion 32.
  • the floor member 34 is formed in a rectangular flat plate shape.
  • a skirting board 34 a is formed on the peripheral edge of the floor member 34.
  • the skirting board 34a is bent substantially vertically from the peripheral edge of the floor member 34 upward in the vertical direction.
  • the floor member 34 may be configured as a separate member.
  • a reinforcing member 51 is fixed to the other surface of the base portion 32 opposite to the one surface on which the floor member 34 is provided. This reinforcing member 51 increases the strength of the base portion 32.
  • the fall prevention book 16 is detachably attached to the base portion 32.
  • the fall prevention book 16 has four leg portions 41, a handrail 42, and a fixing member 43.
  • the four leg portions 41 are fixed to the four corners of the base portion 32 via fixing members 43.
  • a handrail 42 is attached to the upper end portion of the leg portion 41 in the vertical direction via a fixing screw 64.
  • the handrail 42 is attached to three sides excluding one side of the hall 301 side (see FIG. 4) of the building structure where an operator enters and exits.
  • the handrail 42 ensures the safety of the operator during maintenance inspection.
  • the configurations of the work floor assembly 15 and the fall prevention book 16 are not limited to the above-described examples, and other various configurations can be applied.
  • a chain, a rope, or the like may be used as the handrail 42 of the fall prevention booklet 16.
  • the base portion 32 and the floor member 34 of the work floor assembly 15 may be configured by a plurality of members, or the base portion 32 may be configured to be folded in two.
  • the switch 136 outputs a stop signal to a control unit (not shown).
  • a control part stops the drive of a winding machine.
  • the raising / lowering movement of the car 120 is electrically restricted by the stopping device 130.
  • the fixed surface portions 21 of the first connecting member 11 and the second connecting member 12 of the work table 10 are placed on the upper surface portion 121 a of the upper beam 121.
  • the restriction plate 23 of the first connecting member 11 is inserted into the housing recess 131 a of the housing member 131.
  • the restricting plate 23 faces the other end of the lock member 132.
  • the first connecting member 11 and the second connecting member 12 are fastened and fixed to the upper beam 121 by the fixing bolt 61. In this way, the work table 10 can be stably installed by fixing the first connecting member 11 and the second connecting member 12 to the upper beam 121 having relatively high strength in the car 120.
  • the first connecting member 11 cannot be fixed in a state where the stop device 130 is activated and safety is not ensured. As shown in FIGS. 3 and 4, the first connecting member 11 can be fixed and the worktable 10 can be installed only when the stop device 130 is activated and safety is ensured.
  • the protective cover 24 covers the upper portion of the switch 136 of the stop device 130 in the vertical direction.
  • the protective cover 24 can prevent the operator from stepping on the switch 136 by mistake during maintenance inspection, and the switch 136 can be prevented from being damaged.
  • the work floor assembly 15 is expanded and the locking piece 37b of the support 37 is locked to the locking portion of the support column 31.
  • the support body 37 is interposed between the base part 32 and the support pillar 31, it can prevent that the base part 32 rotates toward the support pillar 31 centering on the rotating shaft 36.
  • FIG. As a result, it is possible to prevent the work floor assembly 15 from being folded against the operator's intention during maintenance and inspection, and to improve work safety.
  • the two support columns 31 and 31 are fastened and fixed to the first connecting member 11 and the second connecting member 12 by the support bolts 62. Further, as shown in FIG. 5, the lower end portion of the support column 31 is fastened and fixed to the side surface portion 121 c of the upper beam 121 via a fixing bolt 63.
  • the floor member 34 is mounted on one surface of the base portion 32 and attached. Further, the four leg portions 41 of the fall prevention book 16 are erected at the four corners of the base portion 32. Then, the leg portion 41 is fixed to the base portion 32 by the fixing member 43. Next, the handrail 42 is attached to the upper end portion of the leg portion 41 using a fixing screw 64. Thereby, the installation work of the work table 10 is completed.
  • the restricting plate 23 faces the other end of the lock member 132, movement of the lock member 132 toward the other end in the axial direction is restricted. Therefore, in a state where the first connecting member 11 is placed on the upper beam 121, the lock member 132 cannot be extracted from the restriction hole 201a. In other words, the restricting plate 23 restricts the movement of the stopping device 130 in the direction to release the restriction of the lifting / lowering movement of the car 120. As a result, at the time of maintenance inspection, since the restriction of the lifting and lowering movement of the car 120 in the stopping device 130 is not released, the safety at the time of maintenance inspection can be improved.
  • the stopping device 130 cannot release the restriction of the elevator car 120 until the first connecting member 11 is removed from the upper beam 121 and the restricting plate 23 comes out of the housing recess 131a. Thus, since the stop device 130 is not released until the work table 10 is removed from the car 120, the work for removing the work table 10 can be performed safely.
  • the work platform 10 cannot install the car 120 until the stop device 130 is activated. As a result, since the work table 10 cannot be installed on the car 120 during normal operation other than during maintenance and inspection, the weight of the car 120 can be reduced.
  • the second connecting member 12 is connected to the other end portion in the longitudinal direction of the upper beam 121. Fixed to. Then, the restriction plate 23 provided on the second connecting member 12 is inserted into the accommodation recess of the stopping device disposed at the other end portion of the upper beam 121 in the longitudinal direction.
  • the restriction hole 201a into which the lock member 132 is removably inserted is not limited to that provided in the car side guide rail 201.
  • a restriction hole may be formed in a member different from the car-side guide rail 201 provided in the hoistway 110, for example, a rail bracket or a weight-side guide rail that slidably supports a counterweight.

Landscapes

  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

Une plate-forme de travail d'ascenseur 10 comprend un élément de liaison 11 qui est fixé amovible à la surface supérieure 120a d'une cabine d'ascenseur 120, et un ensemble plancher de travail 15 qui est supporté amovible sur l'élément de liaison 11. L'élément de liaison 11 peut être fixé à la cabine d'ascenseur 120 lorsque le mouvement d'élévation et d'abaissement de la cabine d'ascenseur 120 est limité par l'activation d'un dispositif d'arrêt 130.
PCT/JP2018/004599 2018-02-09 2018-02-09 Plate-forme de travail d'ascenseur et ascenseur Ceased WO2019155605A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019570241A JP6965371B2 (ja) 2018-02-09 2018-02-09 エレベーター用作業台及びエレベーター
PCT/JP2018/004599 WO2019155605A1 (fr) 2018-02-09 2018-02-09 Plate-forme de travail d'ascenseur et ascenseur
CN201880087792.7A CN111655603B (zh) 2018-02-09 2018-02-09 电梯用作业台及电梯

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/004599 WO2019155605A1 (fr) 2018-02-09 2018-02-09 Plate-forme de travail d'ascenseur et ascenseur

Publications (1)

Publication Number Publication Date
WO2019155605A1 true WO2019155605A1 (fr) 2019-08-15

Family

ID=67548633

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/004599 Ceased WO2019155605A1 (fr) 2018-02-09 2018-02-09 Plate-forme de travail d'ascenseur et ascenseur

Country Status (3)

Country Link
JP (1) JP6965371B2 (fr)
CN (1) CN111655603B (fr)
WO (1) WO2019155605A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113501405B (zh) * 2021-07-08 2023-04-07 江苏松诚实业发展有限公司 一种矿井智能检修平台

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011051733A (ja) * 2009-09-02 2011-03-17 Toshiba Elevator Co Ltd エレベータのかご固定装置
JP2012030927A (ja) * 2010-07-30 2012-02-16 Tokiwa Kogyo Co Ltd エレベータ昇降路の落下養生方法
JP2012140229A (ja) * 2011-01-05 2012-07-26 Mitsubishi Electric Corp エレベータかご
US20160130115A1 (en) * 2014-11-07 2016-05-12 Richard C. BLASKA Retractable overhead access platform for machine room less elevator systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005179015A (ja) * 2003-12-22 2005-07-07 Hitachi Ltd エレベータ装置
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
CN101698448A (zh) * 2009-10-21 2010-04-28 允成机电科技(上海)有限公司 无机房电梯轿顶检修平台防落装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011051733A (ja) * 2009-09-02 2011-03-17 Toshiba Elevator Co Ltd エレベータのかご固定装置
JP2012030927A (ja) * 2010-07-30 2012-02-16 Tokiwa Kogyo Co Ltd エレベータ昇降路の落下養生方法
JP2012140229A (ja) * 2011-01-05 2012-07-26 Mitsubishi Electric Corp エレベータかご
US20160130115A1 (en) * 2014-11-07 2016-05-12 Richard C. BLASKA Retractable overhead access platform for machine room less elevator systems

Also Published As

Publication number Publication date
JP6965371B2 (ja) 2021-11-10
CN111655603A (zh) 2020-09-11
JPWO2019155605A1 (ja) 2021-01-07
CN111655603B (zh) 2021-12-14

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