EP2493803B1 - Fixing arrangement of a hoisting machine of an elevator and method for installing a hoisting machine of an elevator - Google Patents

Fixing arrangement of a hoisting machine of an elevator and method for installing a hoisting machine of an elevator Download PDF

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Publication number
EP2493803B1
EP2493803B1 EP10826171.0A EP10826171A EP2493803B1 EP 2493803 B1 EP2493803 B1 EP 2493803B1 EP 10826171 A EP10826171 A EP 10826171A EP 2493803 B1 EP2493803 B1 EP 2493803B1
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EP
European Patent Office
Prior art keywords
hoisting machine
base structure
machine
hoisting
fixing
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.)
Active
Application number
EP10826171.0A
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German (de)
English (en)
French (fr)
Other versions
EP2493803A1 (en
EP2493803A4 (en
Inventor
Ari Ketonen
Marko Malin
Niko FORSSTRÖM
Juha Taavela
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.)
Kone Corp
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Kone Corp
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Publication date
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Publication of EP2493803A1 publication Critical patent/EP2493803A1/en
Publication of EP2493803A4 publication Critical patent/EP2493803A4/en
Application granted granted Critical
Publication of EP2493803B1 publication Critical patent/EP2493803B1/en
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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
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B66B11/08—Driving gear ; Details thereof, e.g. seals with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B19/00—Mining-hoist operation
    • B66B19/005—Mining-hoist operation installing or exchanging the elevator drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B19/00—Mining-hoist operation
    • B66B19/007—Mining-hoist operation method for modernisation of elevators

Definitions

  • the object of the arrangement is a fixing arrangement of a hoisting machine of an elevator and a method for installing a hoisting machine of an elevator.
  • a kind of fixing arrangement is for example shown in document US 5,957,242 A : A machine drive is fixed to a side of an inclined installed support beam. By the aid of said beam and an second support beam in parallel, an axis of a diverting pulley is held via a bearing plate by means of which the position of the pulley can be varied. Therewith a looping angle of the carrying cables on the drive pulley of the machine drive can be influenced.
  • the hoisting machine among other things, of the elevator is normally changed for a more modern machine.
  • Geared machines are often used in old elevators, which machines are generally replaced with modern gearless machines.
  • the old hoisting machine is normally disposed above the elevator hoistway in the machine room of the elevator on top of a machine bedplate manufactured from steel-reinforced concrete, in which machine bedplate rope apertures have been made in connection with manufacturing, through which apertures the hoisting ropes are led into the elevator hoistway to the elevator car and to the counterweight.
  • a base structure e.g. assembled from steel beams is generally also fixed onto the top of the machine bedplate, to which base structure the hoisting machine is fixed.
  • the new hoisting machine is installed on top of the old concrete machine bedplate because disassembling the old machine bedplate and installing the new one would take time and would increase costs. In this case only the old base structure is detached and a new base structure is fixed to the old machine bedplate and the new hoisting machine is fixed to the new base structure.
  • a problem in the installation of a new hoisting machine into an old machine room can be formed by the fact that often old machine rooms are small and have low headroom, in which case new gearless hoisting machines with their traction sheaves, which new machines are larger in diameter than old geared hoisting machines, do not fit properly into the old machine room or at least too little installation space remains into which to fit and install the new machine.
  • new gearless hoisting machines with their traction sheaves which new machines are larger in diameter than old geared hoisting machines
  • the positioning of the components connected to it might make installation difficult.
  • many flat machines comprise brakes extending from the motor frame, which increase a dimension of the machine in at least one direction. Likewise servicing of the machine is awkward if there is not enough space in the machine room.
  • the aim of this invention is to eliminate the aforementioned drawbacks and to achieve a simple and inexpensive fixing arrangement of a hoisting machine of an elevator, which saves space in the machine room in the lateral direction and height direction and which enables taking the hoisting ropes to close to the wall without reducing the angle of wrap of the hoisting ropes that is needed on the traction sheave.
  • Another aim is to achieve a simple and easy method for installing a hoisting machine of an elevator, with which method a modern hoisting machine can be installed into the machine room of an old elevator despite the cramped space.
  • the fixing arrangement of a hoisting machine of an elevator according to the invention is characterized by what is disclosed in the characterization part of claim 1.
  • the method according to the invention is characterized by what is disclosed in the characterization part of claim 6.
  • Other embodiments of the invention are characterized by what is disclosed in the other claims.
  • One advantage of the solution according to the invention is that by means of it a modern hoisting machine can be installed into an essentially cramped machine room of an old elevator with as few modifications as possible in connection with the modernization of an elevator. Another advantage is that the distance between the ropes can be adjusted, in which case the rope apertures of the existing machine bedplate can be used also with the new machine and new rope apertures do not need to be made. Another advantage is that the rope line of the counterweight can, if necessary, by means of a diverting pulley easily be brought close to the wall of the hoistway without needing to reduce the angle of wrap of the hoisting rope on the traction sheave. A further advantage is also that the solution according to the invention is simple and inexpensive to implement.
  • the hoisting machine of an elevator together with its base structure is on the machine bedplate and the hoisting machine and base structure have two or more relative fixing positions.
  • the hoisting machine can be easily installed into position and/or serviced.
  • the hoisting machine and base structure have a proper relative fixing position of the hoisting machine and base structure. The hoisting machine is in this proper fixing position when the elevator is in its normal operation.
  • Fig. 1 presents an oblique top view and Fig. 2 a direct top view of a hoisting machine 3 of an elevator, which hoisting machine is fixed to its bedplate with a fixing arrangement according to the invention.
  • a base structure 2 is fixed on top of the existing machine bedplate 1, to which base structure the hoisting machine 3 of the elevator is further fixed.
  • the base structure 2 comprises a frame part 4, which comprises at least two essentially parallel frame beams 4a that are side-by-side, which in cross-sectional shape are e.g. C-shaped steel beams having essentially straight backs and which are fixed to each other at a horizontal distance from each other with transverse connecting rods.
  • the frame beams 4a are further fixed with bolts to the machine bedplate 1 in essentially the direction of the plane surface of the machine bedplate 1.
  • An essentially box-type support structure 5 is fixed to the first end, i.e. to the end that comes closer to the wall or corner of the machine room, of both frame beams 4a, to the top part of which support structures 5 the hoisting machine 3 is fixed in an inclined, i.e. tilted, attitude with respect to the horizontal plane.
  • the hoisting machine 3 is inclined from its basic position away from the nearest wall or corner in essentially the direction of the plane of rotation of the traction sheave 3b.
  • Fig. 3 presents a side view of a support plate 5a of a support structure 5.
  • Both support structures 5 are formed from two support plates 5a that are essentially the same shape and same size, which support plates are fixed at their fixing holes 5e in their bottom edges to the opposite sides of each frame beam 4a by means of bolts, nuts and possible spacing plates.
  • the top edge of the support plate 5a as viewed from the side is thus, at least for the fixing distance of the hoisting machine 3, inclined such that the top edge descends for the fixing distance of the hoisting machine 3 going towards the second end of the frame beams 4a, in which case the first, i.e. upper, ends of the top edges of the support plates 5a, which top edges support the hoisting machine 3, are closer to the ends of the frame beams 4a than the second ends of the top edges of the support plates 5a.
  • the frame beams 4a comprise fixing holes of the support plates 5a at a number of points in their longitudinal direction, in which case the support plates 5a can be fixed to different points with respect to the longitudinal direction of the frame beams. Thus the position of the support plates 5a can, if necessary, be adjusted in the longitudinal direction of the frame beams 4a.
  • the border between the support surfaces 5b and 5c is essentially in the center part of the whole support surface.
  • the top edge of the support plate 5a is thus not straight, but essentially at the center point of the top edge the angle changes to become steeper with respect to the horizontal plane.
  • the top edge of the support plate 5a further comprises an upward-opening essentially horizontal detent surface 5d, which extends up to the second end of the support plate 5a.
  • the top surface of the support plate 5a formed from the support surfaces 5b and 5c as well as from the detent surface 5d is for the most part inclined, the top surface of the support plate 5a is, however, higher than the top surface of the frame beams 4a for the entire fixing distance of the hoisting machine 3.
  • the top part of the support plate 5a comprises along the fixing distance of the hoisting machine 3 a plurality of first fixing holes 12a, which among themselves are on an essentially straight line A, and a plurality of second fixing holes 12b, which among themselves are on an essentially straight line B.
  • the line A is at essentially the same angle with respect to the horizontal plane as the first support surface 5b of the support plate 5a
  • the line B is at essentially the same angle with respect to the horizontal plane as the second support surface 5c of the support plate 5a.
  • the support plate 5a comprises a fixing hole 12 that is common to both the aforementioned hole pluralities 12a, 12b, which fixing hole is elongated in shape, such that the second end of the fixing hole 12 is essentially in a straight line A with the holes 12a and forms the first fixing hole of the hole plurality 12a, and that the first end of the fixing hole 12 is essentially in a straight line B with the holes 12b and forms the first fixing hole of the hole plurality 12b.
  • the hoisting machine 3 is fixed e.g. with a bolt fixing onto a rectangular base plate 6 that is flat at least on its bottom surface and that acts as a fixing means.
  • Fixing parts 7 functioning as fixing means are fixed to the bottom surface of the base plate 6, near the side edges of the base plate 6, by means of which fixing parts the base plate 6 is arranged to be fixed to the support structures 5 between the support plates 5a.
  • the fixing parts 7 are e.g. pipes of rectangular cross-section, i.e. RHS pipes, the width of which and the distance from each other of which are essentially the same as those of the frame beams 4a, in which case the fixing parts 7 can easily be fitted between the support plates 5a of the support structures 5 from above.
  • the base plate 6 When the fixing parts 7 are fitted into the support structure 5, the base plate 6 is arranged to rest on the inclined top edge of the support plates 5a, after which the fixing parts 7 are fixed to the support plates 5a of the support structures 5 with bolts and nuts through the fixing holes 12-12a or 12-12b, the relative distribution and size of which is essentially the same as the distribution and size of the fixing holes 7a in the fixing parts 7.
  • the holes can, of course, be of different sizes in their diameter.
  • the base plate 6 and the hoisting machine 3 fixed to it are thus arranged to be fixed to the support structures 5 at an inclined angle with respect to the horizontal plane, and there are two possible fixing angles.
  • the hoisting roping 8 led around the traction sheave 3b of the hoisting machine 3 is led through the rope apertures 11 of the machine bedplate 1 into the elevator hoistway guided by the diverting pulleys 9 and 10.
  • the second diverting pulley 10 is fitted to essentially the center point of the base structure 2, but its position in the longitudinal direction of the frame beams 4 is arranged to be adjustable.
  • the top surface of the frame beams 4a comprises a plurality of consecutive fixing holes 4b.
  • the support structures 5 can be fixed to some other point of the frame beams 4a than right at the ends of the frame beams, in which case also the location of the first diverting pulley 9 in the longitudinal direction of the base structure 2 can be adjusted.
  • the top surface of the frame beams 4a comprises a plurality of consecutive holes corresponding to the fixing holes 4b.
  • the hoisting machine 3 is fixed at an inclined angle with respect to the horizontal plane, in which case space is saved in the lateral direction, when e.g. the brakes 3a on the rim of the machine that are fitted to the sides of the machine do not extend as close to the walls of the machine room compared to if the hoisting machine 3 were in a vertical attitude.
  • the hoisting ropes going to the counterweight can, if necessary be taken very close to the wall 1b, as presented in Figs. 1 and 2 .
  • Figs. 4-6 present how a hoisting machine 3 is installed in a machine room with the method according to the invention.
  • Fig. 4 presents a side view of one starting phase of the installation method of the hoisting machine 3 according to the invention. This phase is performed e.g. at the factory or on the worksite before the hoisting machine 3 and the base structure 2 are taken into the machine room, because the working spaces of the machine room are restricted. Before this phase the frame beams 4 of the base structure 2 are already fixed to each other at a distance from each other with connecting rods, the support structures 5 are fixed to the frame beams 4 of the base structure 2, and the first diverting pulley 9 is mounted on a shaft between the support structures 5. Likewise the hoisting machine 3 and also the fixing parts 7 are fixed to the base plate 6.
  • the base structure 2 is disposed on a supportive base and the hoisting machine 3 is lifted, e.g. by means of a chain hoist, to above the support structures 5, after which it is lowered directly downwards such that the fixing parts 7 fixed to the base plate 6 fit at their first ends between the support plates 5a of the support structures 5.
  • the fixing parts 7 are hinged with bolts or corresponding pins from the fixing holes 7a in their first ends temporarily in the fixing holes 12a in the first ends of the top edges of the support plates 5a of the support structures 5.
  • the hoisting machine 3 is lowered carefully downwards, in which case the hoisting machine 3 turns downwards in essentially the direction of the plane of rotation of the traction sheave 3b towards the second end of the base structure 2 around the bolts in the edgemost fixing holes 12a of the first end of the support plates 5a, until the angle of inclination limited by the support plates 5a is achieved and the bottom surface of the base plate 6 rests on the upper support surface 5b of the support plates 5a.
  • the fixing parts 7 are hinged with bolts or corresponding pins from the fixing holes 7a in their second ends in the elongated fixing holes 12 in the second ends of the top edges of the support plates 5a, after which the hinging of the fixing holes 12a of the first end of the support plates 5a is removed.
  • the subsequent phase of the installation method according to the invention is performed, of which phase at least a part is presented in Fig. 5 .
  • the hoisting machine 3 is carefully lowered downwards while being supported by a chain hoist, in which case the hoisting machine 3 turns essentially in the direction of the plane of rotation of the traction sheave 3b around the bolts or corresponding pins disposed in the elongated holes 12 such that the base plate 6 detaches at its first end from the first support surfaces 5b of the support plates 5a and the second edge of the hoisting machine 3 descends downwards to as close as possible to the bottom edge of the base structure 2, until the angle of inclination limited by the structures is achieved and the front edge of the downward turning base plate 6 rests on the detent surface 5d on the second end of the support plates 5a.
  • this temporary locking means 13 such as e.g. flat bars, which prevent the hoisting machine 3 from moving around the bolt hinging made in the elongated holes 12, are fixed between the first ends of the fixing parts 7 and the first ends of the support plates 5a.
  • the locking means 13 are fixed into the fixing holes 7a and 12a or 12b that are in the fixing parts 7 and in the support plates 5a, e.g. with bolts and nuts.
  • the hoisting machine 3 and the base structure 2 take up as little space as possible in the vertical direction. After this the hoisting machine 3 and the base structure 2 are together moved into the machine room of the elevator onto the machine bedplate 1.
  • Fig. 6 presents at least a part of the subsequent phases of the installation method according to the invention of the hoisting machine 3, as viewed from the side and obliquely from above.
  • the locking means 13 are then detached and the hoisting machine 3 is turned around the bolt hinging made in the elongated fixing holes 12 of the support plates 5a essentially in the direction of the plane of rotation of the traction sheave 3b upwards and to the right, into its operating position, said position being inclined with respect to the horizontal plane, after which the fixing parts 7 of the base plate 6 of the hoisting machine 3 are fixed into the support structures 5 by means of the fixing holes 7a and 12a or 12b and bolts as well as nuts. Finally the second diverting pulley 10, being a part of the arrangement, is fixed into its own position in the base structure 2 and the hoisting roping 8 is installed into position also onto the second diverting pulley 10.
  • Fig. 7 presents a top view of the machine room of an elevator, into which hoisting machines 3 have been fitted on machine bedplates 1 that are close to each other, the top surface of which bedplates is e.g. higher than the floor level 1a of the machine room.
  • the machine bedplates 1 and the hoisting machines 3 have been fitted obliquely with respect to the walls 1b of the machine room, as viewed from the top, such that the hoisting machines 3 are disposed towards corners of the machine room and as mirror images of each other in relation to the center line of the machine room between them.
  • the hoisting machines 3 are arranged such that the diverting pulleys 9 guiding the hoisting ropes to the counterweights through the rope apertures 11 are close to the corners of the machine room.
  • the top edges of the support plates of the support structures do not necessarily need to comprise two different angles, but instead the top edges can also be straight, in which case they form only one angle with respect to the horizontal plane.
  • there can be more angles than two such as e.g. three. In this case there must be a corresponding number of rows of fixing holes in the fixing plates; one or three.
  • the base structure, the support structures and the other parts connected to them can be different to what is described above.
  • What is essential to the invention is that the hoisting machine is fitted into the machine room at an inclined attitude with respect to the horizontal plane.
  • the different phases of the installation method of the hoisting machine can be performed also in a different manner to what is presented above.
  • the phase in which the hoisting machine is lowered to close to the bottom edge of the base structure can be performed such that the hoisting machine is kept in its place and the base structure is lifted upwards at one of its ends, in which case the base structure turns around the hinging towards the hoisting machine.
  • the suspension of the elevator can be something else, e.g. a 2:1 suspension.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
EP10826171.0A 2009-10-28 2010-10-26 Fixing arrangement of a hoisting machine of an elevator and method for installing a hoisting machine of an elevator Active EP2493803B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20090393A FI125069B (fi) 2009-10-28 2009-10-28 Hissin nostokoneiston kiinnitysjärjestely ja menetelmä hissin nostokoneiston asentamiseksi
PCT/FI2010/050846 WO2011051559A1 (en) 2009-10-28 2010-10-26 Fixing arrangement of a hoisting machine of an elevator and method for installing a hoisting machine of an elevator

Publications (3)

Publication Number Publication Date
EP2493803A1 EP2493803A1 (en) 2012-09-05
EP2493803A4 EP2493803A4 (en) 2015-12-02
EP2493803B1 true EP2493803B1 (en) 2018-01-03

Family

ID=41263416

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10826171.0A Active EP2493803B1 (en) 2009-10-28 2010-10-26 Fixing arrangement of a hoisting machine of an elevator and method for installing a hoisting machine of an elevator

Country Status (4)

Country Link
EP (1) EP2493803B1 (es)
ES (1) ES2657450T3 (es)
FI (1) FI125069B (es)
WO (1) WO2011051559A1 (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230016386A1 (en) * 2019-12-19 2023-01-19 Inventio Ag Drive system for an elevator installation, elevator installation, and method for installing a drive on a support element of an elevator installation
US11970362B2 (en) 2020-03-30 2024-04-30 Inventio Ag Fastening apparatus for fastening a drive of an elevator system

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2012264772B2 (en) * 2011-05-31 2017-06-15 Inventio Ag Drive frame in a lift installation
CN104395223B (zh) * 2012-05-30 2016-09-14 三菱电机株式会社 电梯的曳引机座以及电梯装置
WO2015076837A1 (en) 2013-11-25 2015-05-28 Otis Elevator Company Bedplate for elevator system
CN111792498B (zh) * 2020-07-17 2021-08-31 安徽迅立达电梯有限公司 一种用于电梯曳引机的撑托安装机构及其使用方法

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EP0763495A1 (de) * 1995-09-15 1997-03-19 Inventio Ag Maschinenrahmen
ES2197280T3 (es) * 1996-11-11 2004-01-01 Inventio Ag Instalacion de ascensor con una unidad de accionamiento dispuesta en la caja de ascensor.
EP0972739A1 (de) * 1998-07-13 2000-01-19 Inventio Ag Schräganordnung eines Seilaufzugsantriebes
JP4200603B2 (ja) * 1999-06-03 2008-12-24 三菱電機株式会社 エレベーター装置
SG110016A1 (en) * 2002-02-18 2005-04-28 Inventio Ag Engine frame with counter-roller support for an elevator drive
JP2004099270A (ja) * 2002-09-11 2004-04-02 Toshiba Elevator Co Ltd エレベータとそのリニューアル工法
FI117336B (fi) * 2004-07-27 2006-09-15 Kone Corp Hissin koneistoalusta
JP2007204238A (ja) * 2006-02-03 2007-08-16 Toshiba Elevator Co Ltd ロープブレーキを備えるエレベータ

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230016386A1 (en) * 2019-12-19 2023-01-19 Inventio Ag Drive system for an elevator installation, elevator installation, and method for installing a drive on a support element of an elevator installation
US11884510B2 (en) * 2019-12-19 2024-01-30 Inventio Ag Drive system for an elevator installation, elevator installation, and method for installing a drive on a support element of an elevator installation
US11970362B2 (en) 2020-03-30 2024-04-30 Inventio Ag Fastening apparatus for fastening a drive of an elevator system

Also Published As

Publication number Publication date
ES2657450T3 (es) 2018-03-05
FI20090393A (fi) 2011-04-29
EP2493803A1 (en) 2012-09-05
FI125069B (fi) 2015-05-29
WO2011051559A1 (en) 2011-05-05
FI20090393A0 (fi) 2009-10-28
EP2493803A4 (en) 2015-12-02

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