EP1052212B1 - Einrichtung zur Ausführung von Arbeiten in einem Aufzugsschacht - Google Patents

Einrichtung zur Ausführung von Arbeiten in einem Aufzugsschacht Download PDF

Info

Publication number: EP1052212B1
Authority: EP; European Patent Office
Prior art keywords: lift; shaft; maintenance; elevator; rest
Prior art date: 1999-05-14
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.): Expired - Lifetime

Application number

EP00109499A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP1052212A1 (de

Inventor

Rolf Masch.-Ing. Müller

Hanspeter El.-Ing. Bloch

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.)

Inventio AG

Original Assignee

Inventio AG

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.)

1999-05-14

Filing date

2000-05-04

Publication date

2005-01-05

2000-05-04 Application filed by Inventio AG filed Critical Inventio AG

2000-05-04 Priority to EP00109499A priority Critical patent/EP1052212B1/de

2000-11-15 Publication of EP1052212A1 publication Critical patent/EP1052212A1/de

2005-01-05 Application granted granted Critical

2005-01-05 Publication of EP1052212B1 publication Critical patent/EP1052212B1/de

2020-05-04 Anticipated expiration legal-status Critical

Status 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
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/288—Buffer-stops for cars, cages, or skips with maintenance features
- 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

Definitions

the invention relates to an elevator system with a Device for carrying out work in one Elevator shaft with shortened shaft head, in which Elevator shaft a counterweight and an elevator car with Maintenance platform are movable, from which maintenance work at Schacht equipment are executable.
a disadvantage of the known device is that mechanically reinforces the cabin wall supporting the pedestal must be and also fittings for folding and locking of the podium are necessary, where the elevator users get stuck with clothes or objects because the pedestal can be found in the common area Elevator user is located.
an elevator device with become known an elevator car The roof of the Elevator cabin serves as a maintenance platform for work in the Elevator shaft. At the upper yoke of the elevator car is a extendible, electrically monitored bumper provided, the working space between the roof of the elevator car and the shaft cover secures. If during maintenance the Elevator car should continue driving illegally, pushes the bumper against a limit switch that drives switches off electrically.
a disadvantage of this device is the arrangement of Bumper at the upper yoke of the elevator car.
the Freedom of movement of maintenance personnel on the cabin roof is too much due to the mechanical structure of the bumper limited. False triggering of the safety device can not be avoided during maintenance.
the safety device offers only one electrical safety, in the worst case, the Elevator car still continue to go up and must be caught by means of a buffer.
the disadvantage of this device is the big mechanical effort to secure the working space.
the swing buffer has a large footprint, not available in every elevator shaft.
the invention aims to remedy this situation.
the invention as characterized in claim 1 solves the task to avoid the disadvantages of the known device and a device for working in an elevator shaft that neither for the maintenance staff nor for the Elevator user in the elevator car represents a danger.
the advantages achieved by the invention are in essential to see that for the Elevator car user is in no danger of sharing to hurt the maintenance platform, because the maintenance platform itself outside the common area of the Elevator cabin user on the roof of the elevator cabin located.
the cabin interior is through the maintenance platform not impaired.
sales strategy is the aesthetic appearance of the cabin interiors of larger economic importance.
the maintenance platform comes this Demand, for example, by the invisible arrangement the maintenance platform completely contrary.
the maintenance platform also has an increased load capacity, so in the shaft too Mounting or dismounting parts on the maintenance platform can be stored.
the location of the maintenance platform on the roof of the elevator car can be chosen so that the maintenance platform is not located in the shaft head Pit equipment is surmounted, with the maintenance platform has a sufficiently large footprint.
the location, the sufficient footprint and the increased load capacity of the Maintenance platforms ensure the safety of the Maintenance personnel.
the use of the Cabin roofs as maintenance platform necessary Safety device extremely easy to operate and quickly ready for use without any effort. Further advantageous is that during maintenance the cabin interior, especially the cabin walls are not scratched or damaged because the maintenance platform is not in the Elevator car is located. With a lift shaft with Shortened shaft head is the safety of Maintenance staff also at a maintenance position of Elevator cabin below the top floor guaranteed.
a machine roomless elevator is shown. With 1 is a more limited by shaft walls 1.1 Lift shaft referred to, in which an elevator car 2 and a counterweight 3 are movable. In the shortened Shaft head 4 is arranged a traction sheave 5, which with a drive, not shown, is in communication. The Traction sheave 5 and / or the drive is for example from worn on a wall or ceiling console.
a carrying cable 6 has a rope course, for example, from a first fixed point 6.1 via two pulleys 6.2, 6.3 of the elevator car 2, continue over the traction sheave 5, continue over one Pulley 6.4 of the counterweight 3 and on to a second fixed point 6.5.
the roof of the elevator car is as a maintenance platform 10th trained by the maintenance staff 11 working in the Elevator shaft 1 can perform, such as Maintenance work on traction sheave 5, guide rails, Shaft switch, drive, suspension cable 6, etc.
Elevator car 2 and counterweight 3 are in two shown different layers. With broken line the elevator system is shown in normal operation, the Elevator car 2 on the top floor 1.3 with the corresponding lowest position of the counterweight 3 scarce is shown standing over a buffer device 12.
the lift system is in full operation during maintenance operation shown.
the machine roomless elevator system shown offers with its shortened shaft head 4 for maintenance from the canopy 2.1 from not enough height H for one correct crossing Ü (distance between Canopy 2.1 and manhole 1.2) of example a meter.
Ü distance between Canopy 2.1 and manhole 1.2
the counterweight 3 When the elevator car 2 is empty, the counterweight 3 has opposite The Augfzugskabine 2 is overweight and can be at simultaneously pulling up the elevator car 2 down move. Without security device 13 there is a danger that is the counterweight 3 except for the buffer device 12 lowers and located on the maintenance platform 10 Maintenance staff 11 because of the shortened shaft head 4 endangered. With the safety device 13 is the way of the counterweight 3 is limited to a height that the required crossing Ü between cabin roof 2.1 and Shaft cover 1.2 guaranteed in any case.
the safety device 13 has in a first Variant a supervised, height adjustable Support 13.1 on, for example by means of a spindle 13.2 is height adjustable.
the spindle 13.2 is from a Motor 13.3 driven.
the intended as Fahrwegbegrenzung Safety device 13 is activated as follows: If the elevator car 2 at most on the second highest Floor 1.4, the engine 13.3 can by means of a Elevator control AS and by means of a first switch 13.4 be turned on in the upward direction. The support 13.1 moves up until a first limit switch 13.5 which opens a first contact 13.51, one second contact 13.52 closes and the engine 13.3 off. The support 13.1 is now in for the Crossing Ü correct security situation. Then that will be Counterweight 3 by means of elevator control AS and drive slowly lowered until a second, the location of the support 13.1 detecting limit switch 13.7 by means of Counterweight 3 is pressed. The second limit switch 13.7 opens a third contact 13.71, causing the Elevator drive is switched off.
the counterweight 3 is on the support 13.1, wherein the elevator car 2 is not can move up more.
the elevator car 2 is now secured against any further upward movement.
the Working in the elevator shaft 1 can now be safe be executed.
the elevator car 2 is at least on the second highest Floor 1.4 lowered and the engine 13.3 by means of Elevator control AS and by means of a second switch 13.8 switched in the downward direction.
the support 13.1 moves until it leaves the track of the counterweight 3 in normal operation.
Fig. 2 shows a serving as a safety device 13 Manual support 13.1, which is in the driveway of the Counterweight 3 is manually pivotable. With interrupted Line is shown the rest position of the support 13.1, the is monitored by means of limit switch 13.7 and 13.71 contact. Normal operation of the elevator system is only in the rest position of the Supports 13.1 possible. Thus the security of the Maintenance staff 11 is ensured in each case, a further limit switch can be provided, which is the Working position of the support 13.1 monitored.
the support 13.1 is pivotable about a pivot point D1 and along a Column 13.11 height adjustable.
Fig. 3 shows a serving as a safety device 13 height adjustable buffer device consisting of buffer 12 and lifting device 12.1.
the buffer is used 12 in the working position shown as a support 13.1.
the Working position of the buffer 12 is by means of limit switch 13.7 and contact 13.71 and the rest position of the buffer 12 by means of Limit switch 13.9 and contact 13.91 monitored and if exceptional operating conditions are detected, the elevator control AS shuts off the elevator installation.
the lifting device 12.1 works the scissor principle. It can be manual or motorized or be driven by cylinders and pressure medium.
the above-mentioned safety device 13 can instead on the counterweight side of the cab in the shaft head 4 to be ordered.

Landscapes

Heat Treatment Of Articles (AREA)
Maintenance And Inspection Apparatuses For Elevators (AREA)
Cage And Drive Apparatuses For Elevators (AREA)
Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Forklifts And Lifting Vehicles (AREA)

EP00109499A 1999-05-14 2000-05-04 Einrichtung zur Ausführung von Arbeiten in einem Aufzugsschacht Expired - Lifetime EP1052212B1 (de)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
EP00109499A EP1052212B1 (de)	1999-05-14	2000-05-04	Einrichtung zur Ausführung von Arbeiten in einem Aufzugsschacht

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
EP99810429		1999-05-14
EP99810429		1999-05-14
EP00109499A EP1052212B1 (de)	1999-05-14	2000-05-04	Einrichtung zur Ausführung von Arbeiten in einem Aufzugsschacht

Publications (2)

Publication Number	Publication Date
EP1052212A1 EP1052212A1 (de)	2000-11-15
EP1052212B1 true EP1052212B1 (de)	2005-01-05

Family

ID=8242831

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP00109499A Expired - Lifetime EP1052212B1 (de)	1999-05-14	2000-05-04	Einrichtung zur Ausführung von Arbeiten in einem Aufzugsschacht

Country Status (6)

Country	Link
EP (1)	EP1052212B1 (no)
AT (1)	ATE286482T1 (no)
DE (1)	DE50009150D1 (no)
ES (1)	ES2234474T3 (no)
NO (1)	NO323028B1 (no)
PT (1)	PT1052212E (no)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1319626B1 (en)	2000-09-20	2008-10-08	Mitsubishi Denki Kabushiki Kaisha	Elevator system and method of inspecting the elevator system
DE10065099A1 (de) *	2000-12-28	2002-07-18	Logos Innovationen Gmbh	Schutzvorrichtung zur Erzeugung eines Schutzraumes
ES2317860T3 (es) *	2001-03-01	2009-05-01	Thyssenkrupp Aufzugswerke Gmbh	Elevador.
DE10137107B4 (de) *	2001-07-30	2009-02-12	Wittur Ag	Maschinenraumloser Aufzug mit Wartungssystem
NZ532767A (en)	2003-05-21	2004-12-24	Inventio Ag	Lift installation with a buffer for creating a zone of protection in a lift installation and a method of creating a zone of protection
EP1479636A1 (de) *	2003-05-21	2004-11-24	Inventio Ag	Puffer zum Schaffen einer Schutzzone in einer Aufzugsanlage
JP4712313B2 (ja) *	2003-05-21	2011-06-29	インベンテイオ・アクテイエンゲゼルシヤフト	バッファおよびバッファを備えたエレベータ設備
JP2005178997A (ja) *	2003-12-19	2005-07-07	Otis Elevator Co	乗りかごの落下防止装置
PT1555232T (pt)	2004-01-07	2017-03-13	Inventio Ag	Processo para a modernização de uma máquina de tração num elevador
JP5214098B2 (ja)	2004-07-17	2013-06-19	インベンテイオ・アクテイエンゲゼルシヤフト	エレベータ設備におけるケージまたは釣り合いおもりの懸架のための装置、および懸架手段の取り付けおよび保守のための方法
DE102005060839A1 (de) *	2005-12-20	2007-06-28	Aufzugswerke M. Schmitt & Sohn Gmbh & Co.	Seilaufzug
FI125118B (fi)	2013-01-07	2015-06-15	Kone Corp	Hissi
AU2018361450A1 (en) *	2017-10-31	2020-04-02	Inventio Ag	Device for carrying out maintenance work in an elevator shaft
CN109573768B (zh) *	2018-12-13	2023-06-16	永大电梯设备（中国）有限公司	一种电梯维保保护装置及电梯维保保护方法
EP3760561B1 (en) *	2019-07-05	2022-05-11	Otis Elevator Company	Elevator assembly with counterweight blocking stop

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH667638A5 (en) *	1985-09-27	1988-10-31	Inventio Ag	Safety device for maintenance space under lift cabin - has prop swung outwards under cabin after carrier arm has been positioned
JP2626398B2 (ja) *	1992-01-28	1997-07-02	三菱電機株式会社	エレベータ装置
CA2166841C (en) *	1995-01-31	2006-08-22	Heinrich Foelix	Temporary working space protection
JPH0958942A (ja) *	1995-08-22	1997-03-04	Mitsubishi Denki Bill Techno Service Kk	エレベーターの間隔保持装置

2000
- 2000-04-27 NO NO20002195A patent/NO323028B1/no not_active IP Right Cessation
- 2000-05-04 DE DE50009150T patent/DE50009150D1/de not_active Expired - Lifetime
- 2000-05-04 AT AT00109499T patent/ATE286482T1/de active
- 2000-05-04 ES ES00109499T patent/ES2234474T3/es not_active Expired - Lifetime
- 2000-05-04 EP EP00109499A patent/EP1052212B1/de not_active Expired - Lifetime
- 2000-05-04 PT PT00109499T patent/PT1052212E/pt unknown

Also Published As

Publication number	Publication date
ES2234474T3 (es)	2005-07-01
PT1052212E (pt)	2005-04-29
DE50009150D1 (de)	2005-02-10
NO20002195L (no)	2000-11-15
EP1052212A1 (de)	2000-11-15
NO323028B1 (no)	2006-12-27
ATE286482T1 (de)	2005-01-15
NO20002195D0 (no)	2000-04-27

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