WO2018179097A1 - Ascenseur et procédé de réparation d'un ascenseur hydraulique - Google Patents

Ascenseur et procédé de réparation d'un ascenseur hydraulique Download PDF

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Publication number
WO2018179097A1
WO2018179097A1 PCT/JP2017/012683 JP2017012683W WO2018179097A1 WO 2018179097 A1 WO2018179097 A1 WO 2018179097A1 JP 2017012683 W JP2017012683 W JP 2017012683W WO 2018179097 A1 WO2018179097 A1 WO 2018179097A1
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WO
WIPO (PCT)
Prior art keywords
elevator
vertical direction
plunger
hydraulic
jack
Prior art date
Application number
PCT/JP2017/012683
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English (en)
Japanese (ja)
Inventor
安藤　英司
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 JP2019508392A priority Critical patent/JPWO2018179097A1/ja
Priority to PCT/JP2017/012683 priority patent/WO2018179097A1/fr
Publication of WO2018179097A1 publication Critical patent/WO2018179097A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/04—Kinds or types of lifts in, or associated with, buildings or other structures actuated pneumatically or hydraulically

Definitions

  • the present invention relates to an elevator obtained by repairing an existing hydraulic elevator, and a method for repairing a hydraulic elevator that repairs an existing hydraulic elevator.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to obtain an elevator and a method for repairing a hydraulic elevator that can shorten the time required for repairing an existing hydraulic elevator.
  • the elevator according to the present invention includes a hydraulic jack having a cylinder and a plunger that moves in a vertical direction with respect to the cylinder, and is configured such that the car moves in the vertical direction when the plunger moves in the vertical direction by hydraulic pressure.
  • It is an elevator obtained by refurbishing an existing hydraulic elevator, which is a fixed member provided on the plunger, a movable member fixed to the fixed member, a screw rod meshing with the movable member, and rotating the screw rod. And a drive device that moves the movable member in the vertical direction and moves the plunger in the vertical direction.
  • the hydraulic elevator repair method includes a hydraulic jack having a cylinder and a plunger that moves in the vertical direction relative to the cylinder, and the cage moves in the vertical direction by the hydraulic pressure so that the car moves in the vertical direction.
  • a method of refurbishing the hydraulic elevator of the present invention is a method in which a fixed member is provided on the plunger, a movable member meshing with the screw rod is fixed to the fixed member, and the movable member is moved up and down by rotating the screw rod.
  • the method includes a step of installing a drive device for moving the upper and lower portions in the hoistway and a step of removing oil from the hydraulic jack.
  • an elevator after renovation of an existing hydraulic elevator makes maximum use of the components of the hydraulic elevator, and further, the plunger of the hydraulic jack is moved up and down by the rotational driving force generated by the newly installed driving device. It is comprised so that it may become a form moved to a direction. As a result, it is possible to obtain an elevator and a method for repairing the hydraulic elevator, which are intended to shorten the time required for repairing the existing hydraulic elevator.
  • Embodiment 1 of this invention It is a top view which shows the elevator in Embodiment 1 of this invention. It is a side view which shows the elevator of FIG. It is a top view which shows the existing hydraulic elevator before renovating to the elevator of FIG. It is a side view which shows the hydraulic elevator of FIG. It is a side view which shows the elevator of the 1st step of the process which repairs the hydraulic elevator of FIG. It is a side view which shows the elevator of the 2nd step of the process which repairs the hydraulic elevator of FIG. It is a side view which shows the elevator in Embodiment 2 of this invention.
  • FIG. 1 is a plan view showing an elevator according to Embodiment 1 of the present invention.
  • FIG. 2 is a side view showing the elevator of FIG.
  • the elevator shown in FIGS. 1 and 2 is an elevator obtained by refurbishing an existing hydraulic elevator.
  • a car 2 is provided in the hoistway 1, and the car 2 moves up and down in the hoistway 1, that is, moves up and down in the hoistway 1.
  • a hydraulic jack 3 is installed at a lower position in the hoistway 1 so as not to overlap the car 2. That is, the hydraulic jack 3 is disposed at a position that does not overlap the car 2 within the horizontal projection plane of the hoistway 1.
  • the hydraulic jack 3 includes a cylinder 4 and a plunger 5 that is accommodated in the cylinder 4 and moves in the vertical direction with respect to the cylinder 4.
  • a rope 7 for suspending the car 2 is wound around a deflecting wheel 6 provided on the upper portion of the plunger 5. As the plunger 5 moves in the vertical direction, the deflector wheel 6 moves in the vertical direction, and the car 2 moves in the vertical direction in conjunction therewith.
  • the amount of movement of the car 2 is twice the amount of movement of the plunger 5.
  • a car side rope clamp 8 is provided at the lower part of the car 2, and one end of the rope 7 is fixed to the car rope clamp 8.
  • a hoistway side rope clamp 9 is provided, and the other end of the rope 7 is fixed to the hoistway side rope clamp 9.
  • One end of the rope 7 is fixed to the car-side rope stopper 8 and directed upward, turned to the deflector wheel 6 and directed downward, and the other end is fixed to the hoistway-side rope stopper 9.
  • a pair of jack rails 10 that guide the movement of the plunger 5 in the vertical direction are installed on both sides of the hydraulic jack 3.
  • the jack rail 10 also guides the vertical movement of the deflecting wheel 6 provided on the upper portion of the plunger 5.
  • the car 2, the hydraulic jack 3, the baffle 6, the rope 7, the car side rope clamp 8, the hoistway side rope clamp 9, and the jack rail 10 are components of the hydraulic elevator.
  • the cage 5 is moved in the vertical direction by moving the plunger 5 in the vertical direction by the hydraulic pressure generated by a hydraulic power unit (not shown).
  • the elevator according to the first embodiment uses the components of the hydraulic elevator described above, and the plunger 5 is driven not by the hydraulic pressure from the hydraulic power unit but by the rotational driving force generated by the driving device 14 described later.
  • the car 2 is moved up and down to move up and down.
  • a support frame 11 as a fixing member is provided on the upper portion of the plunger 5 of the hydraulic jack 3, and a deflector 6 is installed via the support frame 11.
  • a machine base support member 12 Fixed by an anchor bolt driven into the wall of the hoistway 1 is provided.
  • the machine table support member 12 supports the machine table 13.
  • the driving device 14 has a vertical rotating shaft and generates a rotational driving force, and is installed on the machine base 13.
  • the drive device 14 is configured using, for example, a motor.
  • the screw rod 15 attached to the rotating shaft of the drive device 14 in the vertical direction extends in the vertical direction toward the lower portion of the hoistway 1 through a gap provided in the machine base 13.
  • the drive device 14 rotates the screw shaft 15 attached to the rotation shaft by rotating the rotation shaft clockwise or counterclockwise.
  • a ball nut 16 configured to engage with the screw rod 15 via a ball is fixed to the support frame 11.
  • the ball nut 16 meshes with the screw rod 15, and moves up and down with respect to the screw rod 15 when the screw rod 15 rotates clockwise or counterclockwise by driving of the driving device 14.
  • the screw rod 15 and the ball nut 16 constitute a ball screw.
  • the case where the ball nut 16 is used as the movable member configured to mesh with the screw rod 15 is illustrated, but the present invention is not limited to this.
  • a nut configured to engage with the screw rod 15 by grease lubrication may be used as the movable member.
  • the plunger 5 and the deflecting wheel 6 also move in the vertical direction via the support frame 11 in conjunction with the vertical movement of the ball nut 16.
  • the car 2 moves in the vertical direction via the rope 7 in conjunction with the vertical movement of the deflector 6.
  • the hydraulic jack 3 having the cylinder 4 and the plunger 5 that moves in the vertical direction with respect to the cylinder 4 is provided, and the cage 2 moves in the vertical direction by the hydraulic pressure so that the car 2 moves in the vertical direction.
  • the elevator according to the first embodiment can be obtained by refurbishing the existing hydraulic elevator configured as described above.
  • the elevator rotates the support frame 11 provided on the plunger 5, the ball nut 16 fixed to the support frame 11, the screw rod 15 meshing with the ball nut 16, and the screw rod 15. And a drive device 14 for moving the plunger 5 in the vertical direction by moving the ball nut 16 in the vertical direction.
  • FIG. 3 is a plan view showing an existing hydraulic elevator before the elevator shown in FIG. 1 is repaired.
  • FIG. 4 is a side view showing the hydraulic elevator of FIG.
  • FIG. 5 is a side view showing the first stage elevator in the process of repairing the hydraulic elevator of FIG.
  • FIG. 6 is a side view showing the second stage elevator in the process of repairing the hydraulic elevator of FIG.
  • the car 2, the hydraulic jack 3, the baffle 6, the rope 7, the car side rope clamp 8, the hoistway side rope clamp 9, and the jack rail 10 are installed in the hoistway 1. It is a structural member of an elevator. As described above, the elevator according to the first embodiment is configured to use these members.
  • the machine base 13 is mounted on the wall of the hoistway 1 by anchor bolts.
  • the support member 12 is fixed.
  • the machine base 13 is provided on the upper part of the hoistway 1 by using the machine base support member 12.
  • the ball screw driving device 17 in which the driving device 14, the screw rod 15 and the ball nut 16 are integrated is carried into the hoistway 1 and placed near the corner of the hoistway 1 so as not to obstruct work. deep.
  • the car 2 is lifted with a chain block or the like installed in the hoistway 1, the tension of the rope 7 is released and loosened, and the end of the rope 7 fixed to the car side rope stopper 8 is removed from the car side rope stopper 8. Further, the rope 7 is deflected and fixed to the vehicle 6 so that the rope 7 does not fall.
  • the deflection wheel 6 attached to the top of the plunger 5 is removed from the plunger 5 and lifted, and the support frame 11 is inserted and fixed between the deflection wheel 6 and the plunger 5, and the deflection wheel 6 is attached to the support frame 11. Fix it.
  • control device (not shown) for controlling the drive of the drive device 14 and controlling the operation of the elevator is electrically connected to the drive device 14.
  • the driving device 14 is driven according to a control signal from the control panel, and rotates the screw rod 15.
  • the chain 2 that is hanging the car 2 is operated to raise the car 2 to an appropriate height, the end of the rope 7 is attached to the car side rope stop 8, the load on the chain block is removed, and the car 2 Remove the chain block. After that, adjustment is performed so that the raising / lowering control of the car 2 can be performed by driving the driving device 14, and a series of repair work is completed.
  • the plunger 5 is provided with the support frame 11, the step of fixing the ball nut 16 meshing with the screw rod 15 to the support frame 11, and the screw rod 15 is rotated. And a step of installing the drive device 14 for moving the ball nut 16 in the vertical direction in the hoistway 1.
  • the time required for completing the repair work can be shortened by executing the repair process as described above.
  • the elevator according to the first embodiment is movable by rotating the fixed member provided on the plunger of the existing hydraulic elevator, the movable member fixed to the fixed member, the screw rod meshing with the movable member, and the screw rod. And a drive device that moves the member in the vertical direction and moves the plunger in the vertical direction.
  • the existing hydraulic elevator can be remodeled into an elevator that moves the car in the vertical direction by moving the plunger in the vertical direction by the rotational driving force generated by the newly provided driving device. Further, when the existing hydraulic elevator is refurbished, the constituent members of the hydraulic elevator are utilized to the maximum, so that the renovation period can be shortened and the renovation cost can be reduced.
  • Embodiment 2 a case where the installation location of the driving device 14 is different from that of the first embodiment will be described. In the second embodiment, description of points that are the same as those of the first embodiment will be omitted, and points different from the first embodiment will be mainly described.
  • FIG. 7 is a side view showing an elevator according to Embodiment 2 of the present invention. Note that the elevator shown in FIG. 7 is an elevator obtained by refurbishing an existing hydraulic elevator.
  • a machine base 18 is attached to the upper end of the jack rail 10, and a support beam 19 is attached to the lower end of the jack rail 10. Further, the lower surface of the support beam 19 is fixed to the cylinder 4 of the hydraulic jack 3. Further, the driving device 14 is installed on the machine base 18, and the screw rod 15 attached to the rotation shaft of the driving device 14 in the vertical direction passes through a gap provided in the machine base 18 and is located below the hoistway 1. It extends in the vertical direction.
  • the downward load acting on the driving device 14 is transmitted to the cylinder 4 through the jack rail 10, and the pit surface of the hoistway 1 1a can be supported.
  • the drive device 14 is supported by the machine base 18 provided at one end of the jack rail 10. Furthermore, in contrast to such a configuration, a configuration is further provided with a support beam 19 provided as a support member provided between the other end of the jack rail 10 and the cylinder 4 so that the cylinder 4 supports the load of the drive device 14. It has become.
  • the existing jack rail 10 may be replaced with a jack rail having a larger cross section in advance. That's fine.
  • the upper and lower ends of the jack rail 10 are cut in advance or The lowermost jack rail 10 may be replaced with one having an appropriate length.
  • the elevator in this Embodiment 2 becomes a structure by which a drive device is supported by the machine stand provided in the end of the jack rail instead of the upper part of a hoistway with respect to the structure of previous Embodiment 1.
  • FIG. ing As a result, the same effects as those of the first embodiment can be obtained, and the repair work can be further facilitated.
  • the present invention is applied to the hydraulic elevator having a structure in which the car 2 is hung at the end of the rope 7 is illustrated, but the present invention is not limited to this, and the lower part of the car is not limited thereto.
  • the present invention can also be applied to a hydraulic elevator having a structure in which a suspension car is provided to suspend a car.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Structural Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

L'invention concerne un ascenseur obtenu par la réparation d'un ascenseur hydraulique existant qui est équipé d'un cylindre et d'un vérin hydraulique pourvu d'un piston se déplaçant dans la direction verticale par rapport au cylindre, une cabine se déplaçant dans la direction verticale à mesure que le piston se déplace dans la direction verticale par une pression hydraulique. Cet ascenseur est conçu pour comprendre : un élément fixe disposé sur le piston ; un élément mobile fixé sur l'élément fixe ; une tige filetée venant en prise avec l'élément mobile ; et un dispositif d'entraînement qui amène la tige filetée à tourner pour déplacer l'élément mobile dans la direction verticale et déplacer ainsi le piston dans la direction verticale.
PCT/JP2017/012683 2017-03-28 2017-03-28 Ascenseur et procédé de réparation d'un ascenseur hydraulique WO2018179097A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019508392A JPWO2018179097A1 (ja) 2017-03-28 2017-03-28 エレベータおよび油圧エレベータの改修方法
PCT/JP2017/012683 WO2018179097A1 (fr) 2017-03-28 2017-03-28 Ascenseur et procédé de réparation d'un ascenseur hydraulique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/012683 WO2018179097A1 (fr) 2017-03-28 2017-03-28 Ascenseur et procédé de réparation d'un ascenseur hydraulique

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WO2018179097A1 true WO2018179097A1 (fr) 2018-10-04

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5737991U (fr) * 1980-08-11 1982-02-27
JP2003034474A (ja) * 2001-07-18 2003-02-07 Toshiba Elevator Co Ltd エレベーターのリニューアル方法、およびロープ式エレベーター
JP2010116231A (ja) * 2008-11-12 2010-05-27 Mitsubishi Electric Building Techno Service Co Ltd 油圧エレベータのリニューアル方法及びその方法によりリニューアルされたロープ式エレベータ
JP2010208783A (ja) * 2009-03-09 2010-09-24 Toshiba Elevator Co Ltd エレベータのリニューアル方法、およびエレベータ
JP2011157156A (ja) * 2010-01-29 2011-08-18 Toshiba Elevator Co Ltd エレベータ装置及びエレベータリニューアル方法
JP2011195309A (ja) * 2010-03-23 2011-10-06 Mitsubishi Electric Building Techno Service Co Ltd 油圧エレベータのリニューアル方法及びその方法によりリニューアルされたロープ式エレベータ
JP2015129042A (ja) * 2014-01-08 2015-07-16 株式会社日立ビルシステム 既設エレベータ装置の改修方法及びエレベータ装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5737991U (fr) * 1980-08-11 1982-02-27
JP2003034474A (ja) * 2001-07-18 2003-02-07 Toshiba Elevator Co Ltd エレベーターのリニューアル方法、およびロープ式エレベーター
JP2010116231A (ja) * 2008-11-12 2010-05-27 Mitsubishi Electric Building Techno Service Co Ltd 油圧エレベータのリニューアル方法及びその方法によりリニューアルされたロープ式エレベータ
JP2010208783A (ja) * 2009-03-09 2010-09-24 Toshiba Elevator Co Ltd エレベータのリニューアル方法、およびエレベータ
JP2011157156A (ja) * 2010-01-29 2011-08-18 Toshiba Elevator Co Ltd エレベータ装置及びエレベータリニューアル方法
JP2011195309A (ja) * 2010-03-23 2011-10-06 Mitsubishi Electric Building Techno Service Co Ltd 油圧エレベータのリニューアル方法及びその方法によりリニューアルされたロープ式エレベータ
JP2015129042A (ja) * 2014-01-08 2015-07-16 株式会社日立ビルシステム 既設エレベータ装置の改修方法及びエレベータ装置

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