EP1380530A1 - Mecanisme de fixation pour monte-charge - Google Patents

Mecanisme de fixation pour monte-charge Download PDF

Info

Publication number
EP1380530A1
EP1380530A1 EP01917629A EP01917629A EP1380530A1 EP 1380530 A1 EP1380530 A1 EP 1380530A1 EP 01917629 A EP01917629 A EP 01917629A EP 01917629 A EP01917629 A EP 01917629A EP 1380530 A1 EP1380530 A1 EP 1380530A1
Authority
EP
European Patent Office
Prior art keywords
mount member
guide rail
hoisting machine
mount
counterweight
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
EP01917629A
Other languages
German (de)
English (en)
Other versions
EP1380530A4 (fr
EP1380530B1 (fr
Inventor
Hideaki c/o Mitsubishi Denki K.K. KODERA
Tsunehiro c/o Mitsubishi Denki K.K. HIGASHINAKA
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 EP1380530A1 publication Critical patent/EP1380530A1/fr
Publication of EP1380530A4 publication Critical patent/EP1380530A4/fr
Application granted granted Critical
Publication of EP1380530B1 publication Critical patent/EP1380530B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B66B11/0035—Arrangement of driving gear, e.g. location or support
    • B66B11/0045—Arrangement of driving gear, e.g. location or support in the hoistway

Definitions

  • the present invention relates to an elevator system in which a hoisting machine is to be installed within a hoistway, as well as to a mounting mechanism for mounting onto guide rails the hoisting machine to be installed in the hoistway.
  • Fig. 10 is a view showing a conventional elevator system described in Japanese Patent Application Laid-Open No. 208152/1996.
  • reference numeral 1 designates a hoistway
  • 2 designates a car which is hoisted and lowered within the hoistway
  • 3 designates car guide rails provided on either side of the car 2 for guiding ascending and descending actions of the car 2
  • 4 designates a counterweight which moves up and down in the direction opposite the moving direction of the car 2
  • 5 designates counterweight guide rails for guiding ascending and descending actions of the counterweight.
  • Reference numeral 6 designates a hoisting machine which acts as a power source for causing the car 2 and the counterweight to move up and down.
  • the hoisting machine 6 has a traction sheave 61 around which a main cable to be described later is to be wound; and a drive section 62 including a motor for rotating the traction sheave.
  • Reference numeral 8 designates a counterweight pulley fastened to an upper portion of the counterweight 4; and 9 designates an undercar pulley provided on a lower portion of the car 2. Two undercar pulleys 9 are provided on the lower portion of the car 2.
  • Reference numeral 10 designates a main cable passed around the counterweight pulley 8, the traction sheave 61, and the undercar pulleys 9.
  • the respective ends of the main cable are anchored to the ceiling of the hoistway or a beam provided in an elevated position within the hoistway.
  • Reference numeral 20 designates a beam affixed to the tops of the counterweight guide rails 5, and the hoisting machine 6 is mounted on the beam 20.
  • Reference numeral 21 designates a reinforcement element for clamping the hoisting machine 6 on a wall of the hoistway 1. This reinforcement element 21 absorbs horizontal force but absorbs substantially no vertical supporting force.
  • the conventional elevator system is constructed in the manner mentioned previously.
  • the car 2 and the counterweight 4 move up and down by way of the main cable 10 as a result of rotation of the traction sheave 61 of the hoisting machine 6.
  • the hoisting machine 6 is mounted on the beam 20 in the manner as shown in Fig. 11.
  • the traction sheave 61 is offset from a plane in which two guide rails 5 are provided, when viewed from the side. Therefore, because of the force F exerted on the traction sheave 61 by the main cable 10, a very large moment acts on the hoisting machine 6. The moment imposes bending force on the counterweight guide rails 5. Therefore, there arises a problem of a necessity for increasing the size of rails for enhancing the strength thereof.
  • the present invention has been conceived to solve such a problem, and a first object of the invention is to reduce bending force which is caused to arise in guide rails by force acting on a traction sheave and to reduce the size of the guide rails.
  • a second object of the invention is to prevent horizontal deflection of a hoisting machine without involvement of fastening of the hoisting machine to a wall of a hoistway 1.
  • a mechanism for mounting a hoisting machine comprises a first guide rail and a second guide rail for guiding vertical movement of a car or that of a counterweight; a hoisting machine having a traction sheave around which a main cable is to be wound and a drive section for rotationally driving the traction sheave; a mount member on which the hoisting machine is secured; a first bracing member which is provided on the mount member, retains the mount member in such a manner that the mount member is slidable in a longitudinal direction of the first guide rail, and prevents horizontal runout of the mount member; a second bracing member which is provided on the mount member, retains the mount member in such a manner that the mount member is slidable in a longitudinal direction of the second guide rail, and prevents horizontal runout of the mount member; and support members which are provided on the first and second guide rails and support vertical load of the mount member and that of the hoisting machine.
  • the mechanism for mounting a hoisting machine further comprises a third bracing member which is provided on a part of the mount member at a lower side of the first bracing member, retains the mount member in such a manner that the mount member is slidable in the longitudinal direction of the first guide rail, and prevents horizontal runout of the mount member; and a fourth bracing member which is provided on a part of the mount member at a lower side of the second bracing member, retains the mount member in such a manner that the mount member is slidable in the longitudinal direction of the second guide rail, and prevents horizontal runout of the mount member.
  • the mechanism for mounting a hoisting machine further comprises resilient members provided between the mount member and the support member.
  • the mechanism for mounting a hoisting machine comprises a beam which is affixed to the support member and to which one end of the main cable is to be affixed.
  • the mechanism for mounting a hoisting machine further comprises a first stopper which is provided so as to project from the mount member toward the first guide rail and prevents horizontal runout of the mount member upon coming into contact with the first guide rail; and a second stopper which is provided so as to project from the mount member toward the second guide rail and prevents horizontal runout of the mount member upon coming into contact with the second guide rail.
  • the mechanism for mounting a hoisting machine further comprises a joint member which is provided on an upper end of the first guide rail and that of a second guide rail and links together the first and second rails at a position higher than the mount member.
  • An elevator system comprises a car which moves up and down within a hoistway; a plurality of car guide rails for guiding vertical movement of the car; a counterweight which moves up and down within the hoistway; a plurality of counterweight guide rails for guiding vertical'movement of the counterweight; a main cable for suspending the car and the counterweight; a hoisting machine having a traction sheave around which the main cable is to be passed and a drive section for rotationally driving the traction sheave and causing the car and the counterweight to ascend and descend by way of the main cable by means of rotation of the traction sheave; a mount member on which the hoisting machine is mounted; a first bracing member which is mounted on the mount member, retains the mount member in such a manner that the mount member is slidable in a longitudinal direction of the first guide rail selected from the plurality of car guide rails and the plurality of counterweight guide rails and which prevents horizontal runout of the mount member; a second
  • Fig. 1 is an overall layout view of an elevator system according to an embodiment.
  • reference numeral 1 designates a hoistway
  • 2 designates a car which moves up and down within the hoistway 1
  • 3a, 3b designate car guide rails provided on respective sides of the car 2 for guiding vertical movement of the car 2.
  • Reference numeral 4 designates a counterweight which moves up and down within the hoistway in the direction opposite the moving direction of the car 2.
  • Reference numerals 5a, 5b designate counterweight guide rails provided on respective sides of the counterweight 4 for guiding vertical movement of the counterweight 4.
  • Reference numeral 6 designates a hoisting machine, which serves as a power source for causing the car 2, and the counterweight 4 to ascend and descend.
  • the hoisting machine 6 has a traction sheave 61 around which a main cable to be described later is to be wound; and a drive section 62 including a motor for rotating the traction sheave 61.
  • Reference numeral 7 designates a mounting mechanism for mounting the hoisting machine 6 between the guide rails 5a, 5b.
  • the present embodiment is characterized by the mounting mechanism 7, and the mounting mechanism will be described in detail later.
  • Reference numeral 8 designates a counterweight pulley attached to an upper portion of the counterweight 4.
  • Reference numeral 9 designates an undercar pulley attached to a lower portion of the car 2 .
  • Two undercar pul leys 9 are provided on the lower portion of the car 2.
  • Reference numeral 10 designates a main cable passed around the counterweight pulley 8, the traction sheave 61, and the undercar pulleys 9.
  • One end of the main cable 10 is anchored to a main cable attachment section 11 provided at the upper end of the guide rail 3a.
  • the other endof themain cable 10 is anchored to a main cable attachment section 12 interposed between the guide rails 5a, 5b.
  • the main cable 10 can be routed from the traction sheave 61 to the counterweight 8 and anchored to the main cable attachment section 12.
  • the car 2 and the counterweight 4 are caused to ascend or descend by way of the main cable 10 as a result of rotation of the traction sheave 61 of the hoisting machine 6.
  • Fig. 2 is an enlarged view showing the structure of the mounting mechanism 7
  • Fig. 3 is a side view of the structure shown in Fig. 2. The structure of the mounting mechanism will now be described by reference to these drawings.
  • the mounting mechanism 7 comprises support tables 71a, 71b; a cable anchor beam 72; resilient members 73a, 73b; and a mount frame 74 serving as a mount member.
  • the support tables 71a, 71b are attached to the guide rails 5a, 5b, respectively.
  • One end of the cable anchor beam 72 is fixed to the support table 71a, and the other end of the same is fixed to the support table 71b.
  • the main cable mount section 12 is provided on the cable anchor beam 72.
  • the resilient members 73a, 73b are attached onto the cable anchor beam 72 and formed from elastic material such as rubber.
  • the mount frame 74 of the hoisting machine is set on the resilient members 73a, 73b.
  • the hoisting machine 6 is mounted to the mount frame 74, and the mount frame 74 can be moved minutely in the longitudinal direction (i.e., the vertical direction) of the guide rails 5a, 5b.
  • the hoisting machine 6 is mounted on the mount frame 74.
  • the traction sheave 61 (designated by dotted lines) is placed at a position offset from the plane in which the guide rails 5a, 5b are present.
  • the mount frame 74 is constituted of lateral members 742, 743 and longitudinal members 741a, 741b.
  • An anchor block 744a is attached to the longitudinal member 741a
  • an anchor block 744b is attached to the longitudinal member 741b.
  • the hoisting machine 6 is secured to the lateral member 742 and the anchor blocks 744a, 744b.
  • a lower stopper 745a is attached to the lower end of the longitudinal member 741a, and a lower stopper 745b is attached to the lower end of the longitudinal member 741b. As shown in Fig. 2, a lower end face of the longitudinal member 741a remains in contact with the resilient member 73a, and a lower end face of the longitudinal member 741b remains in contact with the resilient member 73b.
  • upper bracing members 746a, 746b are attached to respective sides of the lateral member 742. Further, a lower bracing member 747a is attached to the longitudinal member 741a, and a lower bracing member 747b is attached to the longitudinal member 741b.
  • Figs. 5 and 6 are enlarged views of the upper bracing member 746a and the lower bracing member 747a.
  • the upper bracing member 746a and the lower bracing member 747a catch the guide rail 5a by way of the resilient members.
  • the upper bracing member 746b and the lower bracing member 747b are identical in construction with the upper bracing member 746a and the lower bracing member 747a and catch the guide rail 5b by way of the resilient members.
  • minute horizontal deflections of the hoisting machine 6 can be prevented.
  • the mount frame 74 is guided by. the guide rails 5a, 5b and can move minutely in the downward direction. Hence, the vertical force exerted on the hoisting machine 6 is supported by the support tables 71a, 71b.
  • An upper stopper 748a is provided on one side of the lateral member 742 so as to project toward the guide rail 5a
  • an upper stopper 748b is provided on the other side of the lateral member 742 so as to project toward the guide rail 5b (here, the portions of the upper bracing members 746a, 746b attached to the lateral member 742 may work as the upper stoppers).
  • the upper stoppers 748a, 748b prevent horizontal deflections which cannot be inhibited by the bracing members, in conjunction with the lower stoppers 745a, 745b.
  • the hoisting machine 6 is provided between the guide rails 5a, 5b.
  • the space defined between the guide rails 5a, 5b has hitherto been taken as a dead space. Utilization of this space leads to effective utilization of a space in the hoistway.
  • the cable anchor beam 72 is secured on the support tables 71a, 71b. Hence, the positional relationship between the hoisting machine 6 and the cable anchor beam 72 does not require adjustment.
  • a beam is provided on the guide rails 5a, 5b, and the hoisting machine is situated on the beam, thus requiring a heightwise dimension.
  • the present embodiment obviates a space corresponding to the dimension.
  • Fig. 7 is an enlarged view of the mounting mechanism according to a second embodiment.
  • This embodiment differs from the first embodiment in that a guide rail joint section 13 is provided at the upper ends of the guide rails 5a, 5b.
  • the embodiment is identical with the previous embodiment, and hence repeated explanations of the remaining elements and their configuration are omitted.
  • the guide rail joint section 13 is constructed as follows:
  • the back of the guide rail 5a is brought into contact with and fastened to one side of the L-shaped member 131a by a rail clip 132a.
  • the back of the guide rail 5b is brought into contact with and fastened to one side of the L-shaped member 131b by a rail clip 132b.
  • the other side of the L-shaped member 131a and that of the L-shaped member 131b are joined together by means of a mounting bracket 133.
  • the guide rail joint section 13 has the construction as set forth.
  • the construction shown in Fig. 9 may be adopted.
  • one end of a joint member 134a and one end of a joint member 134b are fixed to a projecting section which is a sliding surface of the guide rail 5a.
  • the other end of the joint member 134a and that of the joint member 134b are fixed to a projecting section which is a sliding surface of the guide rail 5b.
  • a through hole is formed in the upper end portion of the projecting section of the guide rail 5a as well as in a corresponding portion of the guide rail 5b. Bolts are inserted into the through holes, thereby fastening together the joint members 134a, 134b.
  • the cable anchor beam 72 is provided on the support tables 71a, 71b.
  • the resilient members 73a, 73b are further provided on the cable anchor beam 72 .
  • the cable anchor beam 72 is not interposed between the support tables 71a, 71b and the resilient members 73a, 73b; in this case, the ends of the main cable 10 must be affixed to the ceiling of the hoistway or other locations.
  • the hoisting machine 6 may be fixed on the mount frame 74 by way of the resilient members.
  • the support tables 71a, 71b are attached to the guide rails 5a, 5b.
  • a support table may be constructed by use of a beam-like member which is connected at one end thereof to the guide rail 5a and at the other end thereof to the guide rail 5b.
  • the structure for mounting a hoisting machine according to the present invention yields the following advantages.
  • a mechanism for mounting a hoisting machine comprises a first guide rail and a second guide rail for guiding vertical movement of a car or that of a counterweight; a hoisting machine having a traction sheave around which a main cable is to be wound and a drive section for rotationally driving the traction sheave; a mount member on which the hoisting machine is secured; a first bracing member which is provided on the mount member, retains the mount member in such a manner that the mount member is slidable in a longitudinal direction of the first guide rail, and prevents horizontal runout of the mount member; a second bracing member which is provided on the mount member, retains the mount member in such a manner that the mount member is slidable in a longitudinal direction of the second guide rail, and prevents horizontal runout of the mount member; and support members which are provided on the first and second guide rails and support vertical load of the mount member and that of the hoisting machine.
  • the mechanism for mounting a hoisting machine further comprises a third bracing member which is provided on a part of the mount member at a lower side of the first bracing member, retains the mount member in such a manner that the mount member is slidable in the longitudinal direction of the first guide rail, and prevents horizontal runout of the mount member; and a fourth bracing member which is provided on a part of the mount member at a lower side of the second bracing member, retains the mount member in such a manner that the mount member is slidable in the longitudinal direction of the second guide rail, and prevents horizontal runout of the mount member.
  • the mechanism for mounting a hoisting machine further comprises resilient members provided between the mount member and the support member. By provision of the resilient members, vibration of the hoisting machine is not transmitted to the guide rails.
  • the mechanism for mounting a hoisting machine comprises a beam, which is affixed to the support member and to which one end of the main cable is to be affixed. Hence, positional adjustment of the hoisting machine and that of the beam are obviated.
  • the mechanism for mounting a hoisting machine further comprises a first stopper which is provided so as to project from the mount member toward the first guide rail and prevents horizontal runout of the mount member upon coming into contact with the first guide rail; and a second stopper which is provided so as to project from the mount member toward the second guide rail and prevents horizontal runout of the mount member upon coming into contact with the second guide rail.
  • the mechanism for mounting a hoisting machine further comprises a joint member which is provided on an upper end of the first guide rail and that of a second guide rail and links together the first and second rails at a position higher than the mount member.
  • An elevator system comprises a car which moves up and down within a hoistway; a plurality of car guide rails for guiding vertical movement of the car; a counterweight which moves up and down within the hoistway; a plurality of counterweight guide rails for guiding vertical movement of the counterweight; a main cable for suspending the car and the counterweight; a hoisting machine having a traction sheave around which the main cable is to be passed and a drive section for rotationally driving the traction sheave and causing the car and the counterweight to ascend and descend by way of the main cable by means of rotation of the traction sheave; a mount member on which the hoisting machine is mounted; a first bracing member which is mounted on the mount member, retains the mount member in such a manner that the mount member is slidable in a longitudinal direction of the first guide rail selected from the plurality of car guide rails and the plurality of counterweight guide rails and which prevents horizontal runout of the mount member; a second bracing
  • the invention is applied to an elevator system in which a hoisting machine is mounted on guide rails.

Landscapes

  • 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)
EP01917629A 2001-03-29 2001-03-29 Mecanisme de fixation pour monte-charge Expired - Lifetime EP1380530B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2001/002666 WO2002079068A1 (fr) 2001-03-29 2001-03-29 Mecanisme de fixation pour monte-charge

Publications (3)

Publication Number Publication Date
EP1380530A1 true EP1380530A1 (fr) 2004-01-14
EP1380530A4 EP1380530A4 (fr) 2005-06-29
EP1380530B1 EP1380530B1 (fr) 2006-12-06

Family

ID=11737182

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01917629A Expired - Lifetime EP1380530B1 (fr) 2001-03-29 2001-03-29 Mecanisme de fixation pour monte-charge

Country Status (5)

Country Link
EP (1) EP1380530B1 (fr)
JP (1) JP4300799B2 (fr)
CN (1) CN1189381C (fr)
DE (1) DE60125066T2 (fr)
WO (1) WO2002079068A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7178636B2 (en) 2003-03-25 2007-02-20 Mitsubishi Denki Kabushiki Kaisha Elevator system
EP2067734A1 (fr) * 2006-09-29 2009-06-10 Mitsubishi Electric Corporation Dispositif d'ascenseur
US8839911B2 (en) 2009-04-28 2014-09-23 Otis Elevator Company Elevator machine frame with noise reducing configuration
CN104355207A (zh) * 2014-10-22 2015-02-18 日立电梯（中国）有限公司 电梯系统
CN105314505A (zh) * 2015-11-06 2016-02-10 上海交通大学 电梯曳引试验的曳引绳固定结构及电梯曳引试验装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4959986B2 (ja) * 2006-02-09 2012-06-27 東芝エレベータ株式会社 エレベータ用品の揚重装置及び揚重方法
JP5253285B2 (ja) * 2009-04-28 2013-07-31 株式会社日立製作所 エレベータ装置
WO2016024347A1 (fr) 2014-08-13 2016-02-18 三菱電機株式会社 Dispositif de fixation de socle de machine pour machine de levage d'ascenseur
JP6714905B2 (ja) * 2018-01-15 2020-07-01 フジテック株式会社 エレベータ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0905081A2 (fr) * 1997-09-26 1999-03-31 Kabushiki Kaisha Toshiba Emplacement de machinerie dans une cage d'ascenseur

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51109563U (fr) * 1975-02-28 1976-09-03
JP2507636B2 (ja) * 1989-11-21 1996-06-12 三菱電機株式会社 仮設エレベ―タの機械台支持装置
FI96198C (fi) * 1994-11-03 1996-05-27 Kone Oy Vetopyörähissi
JP4157631B2 (ja) * 1998-11-19 2008-10-01 日本エレベーター製造株式会社 エレベ−タ装置
JP2000169059A (ja) * 1998-12-07 2000-06-20 Mitsubishi Electric Corp エレベーターの据付工法
JP3747710B2 (ja) * 1999-10-05 2006-02-22 松下電工株式会社 エレベータ駆動装置の固定構造
JP3726605B2 (ja) * 1999-12-16 2005-12-14 フジテック株式会社 エレベータ用駆動装置の支持装置
JP4391649B2 (ja) * 1999-12-20 2009-12-24 三菱電機株式会社 エレベータの巻上機支持装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0905081A2 (fr) * 1997-09-26 1999-03-31 Kabushiki Kaisha Toshiba Emplacement de machinerie dans une cage d'ascenseur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO02079068A1 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7178636B2 (en) 2003-03-25 2007-02-20 Mitsubishi Denki Kabushiki Kaisha Elevator system
EP2067734A1 (fr) * 2006-09-29 2009-06-10 Mitsubishi Electric Corporation Dispositif d'ascenseur
EP2067734A4 (fr) * 2006-09-29 2013-04-24 Mitsubishi Electric Corp Dispositif d'ascenseur
US8839911B2 (en) 2009-04-28 2014-09-23 Otis Elevator Company Elevator machine frame with noise reducing configuration
CN104355207A (zh) * 2014-10-22 2015-02-18 日立电梯（中国）有限公司 电梯系统
CN105314505A (zh) * 2015-11-06 2016-02-10 上海交通大学 电梯曳引试验的曳引绳固定结构及电梯曳引试验装置
CN105314505B (zh) * 2015-11-06 2018-07-03 上海交通大学 电梯曳引试验的曳引绳固定结构及电梯曳引试验装置

Also Published As

Publication number Publication date
JPWO2002079068A1 (ja) 2004-07-22
EP1380530A4 (fr) 2005-06-29
CN1189381C (zh) 2005-02-16
CN1430574A (zh) 2003-07-16
DE60125066D1 (de) 2007-01-18
EP1380530B1 (fr) 2006-12-06
WO2002079068A1 (fr) 2002-10-10
DE60125066T2 (de) 2007-06-28
JP4300799B2 (ja) 2009-07-22

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