EP2114812A1 - Cable guide for an elevator drive - Google Patents
Cable guide for an elevator driveInfo
- Publication number
- EP2114812A1 EP2114812A1 EP08700542A EP08700542A EP2114812A1 EP 2114812 A1 EP2114812 A1 EP 2114812A1 EP 08700542 A EP08700542 A EP 08700542A EP 08700542 A EP08700542 A EP 08700542A EP 2114812 A1 EP2114812 A1 EP 2114812A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- guide rails
- counterweight
- drive
- elevator car
- ropes
- 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
Links
- 230000000284 resting effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 8
- 238000010276 construction Methods 0.000 description 5
- 239000000725 suspension Substances 0.000 description 2
- 241000269350 Anura Species 0.000 description 1
- 241001310793 Podium Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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
-
- 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
- B66B11/0065—Roping
- B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
Definitions
- This invention relates to the cable guide for a lift drive, that is for driving a lift cabin, which is guided in a lift shaft along vertical rails.
- this cable guide allows the drive to be maintained from the lift cabin.
- the drive unit is in an upper
- An additional free space can be created with temporary measures, for example by using supports, if it is ensured that the lift shaft is only accessible if these measures are taken and thus this space is created.
- the height of this additional free space with footprint 0.48mx 0.25m depends on the maximum speed of the lift cabin and is calculated in meters to 1 + 0.035 xv 2 , where v is used in [m / s]. These regulations apply and must be complied with even if it is not necessary at all to climb onto the cabin roof to maintain the lift.
- a lift to be installed has a cabin of 220cm inside height. Approximately 10cm are needed for crossing above the cabin. For the lift door drive, it also requires certain height. This leaves only 50cm left in the top normal lift position. These are called Safety buffer needed. If the lift stops at the top floor with a heavy load, exactly at floor level, and then is relieved of load, the cabin can still lift by a few cm due to the elasticity of the suspension ropes. Even then there must still be a gap wide air up to the lift shaft head, so that in no case can strike the elevator car at the same.
- Lift shaft must be connected so that the reaction forces can be absorbed.
- the object of the present invention is therefore to provide a cable guide for a drive for a lift cabin, which requires a minimum lift head height at a certain elevator car height and which makes it possible to carry out all the maintenance, control and carry out maintenance work from the inside of the lift cabin.
- the cable guide of this drive should also take up a minimal space between the outside of the elevator car and the shaft wall and an optimal To provide weight distribution between the elevator car and its payload and the counterweight, so that hardly more forces act on the shaft wall to which the drive structure is attached and secured.
- a cable guide for driving a lift cage and its counterweight which are each guided on a pair of vertical guide rails along a shaft wall, and which is characterized in that at least two ropes at the top to a mounting bracket on the guide rails mounted traction tube or a multi-drive pulley are guided, with axis of rotation in each case parallel to the adjoining shaft wall running, and that the down on the shaft wall side ropes carry the counterweight by half of the ropes one and the other half of the ropes the other comprise two acting as loose pulleys sheaves on its underside, the axle bolts of these pulleys horizontally and juxtaposed parallel to each other and carry the counterweight, and the axle of these sheaves verla perpendicular to the axis of the drive tube or the multiple drive pulley and that the ropes on the other side of these sheaves lead upwards to the mounting bridge and are secured there, and in addition that the other at least two cables leading down from the traction tube or the multiple drive sheave carry the lift cabin by
- this cable guide and the associated drive with the guide rails of a lift cabin and a counterweight in a lift shaft are shown and described.
- the function of this drive and its cable guide and their peculiarities are explained and explained.
- Figure 1 A traction drive with a driving tube in a view of the wall of the Lift shaft seen, with the attached guide rails and the mounting bracket for the traction drive;
- Figure 2 A view of the wall of the elevator shaft with the guide rails attached thereto and the traction drive with drive pipe when the
- Lift cabin with open wall part is at the height of the drive
- Figure 3 A view of the elevator shaft seen from above, from below the drive against downwards on the pulleys for the counterweight and the
- Figure 4 A view of the elevator shaft seen from above, with the traction drive with driving tube without mounting bridge, illustrating its mounting position with respect to the two
- FIG. 5 a perspective view of the traction drive with drive tube and mounting bridge as well as the guide rails to which this mounting bridge is mounted;
- Figure 6 A schematic representation of the cable guide to this drive with suspended traction drive and associated drive pipe.
- FIG. 1 shows a lift drive on which this cable guide can be realized. It is a view of the wall 7 of the elevator shaft with the attached guide rails 23,24 for the elevator car and the counterweight and the now gearless traction drive with drive pipe 26.
- the special feature of this traction drive is that it is a gearless drive with stationary stator and outer, rotating and internally equipped with permanent magnets propellant tube 26 is, via which the drive cables for the elevator car and the counterweight are guided in cable grooves 8, and which traction drive is mounted suspended on a bridge 25, the vertical guide rails 23,24 is fixed for the elevator car and the counterweight.
- This traction drive has a drive tube 26 with at least 240mm mecanicdruchmesser, and brings a power of at least 2.4 kW and a torque of at least 295 Nm, with stronger versions are used, with much more power and torque.
- an electric motor with gearbox and multiple drive pulley can serve instead of this drive.
- FIG 2 shows the same, but now with the elevator car 1 and their doors 18 and pedestal or elevator car floor 36 when the elevator car 1 is stopped at the height of the traction drive, and this traction drive is accessible through their own open maintenance window .
- this traction drive is suspended on a bridge 25, which rest on C-shaped frame members 27 on the inner guide rails 23 for the counterweight, while these frame members 27 are laterally attached to the outer guide rails 24 for the elevator car.
- the maintenance window in the elevator cabin is open except for the lower, for example 90 cm high side wall part 6. It extends virtually over the entire width of the elevator car 1.
- the removable side wall part 3 is placed on the elevator car floor, so the pedestal 36, so that its upper edge 4, the lower side wall part 6 surmounted by 10cm and forms a parapet.
- the rails 23 for the guidance of the counterweight and arranged outside the motor parallel to the rails 24 for the guidance of the elevator car 1.
- the mounting bridge 25 at this uppermost position of the elevator car 1 below its upper edge is located. Therefore, the entire drive through the maintenance window from the interior of the elevator car 1 is accessible, and the elevator car 1 can be driven with open maintenance window off and on.
- FIG 3 shows a view of the elevator shaft seen from above, seen from below the drive down. Here you can see the lift cabin from above on the pedestal 36 and left and right the lift doors. The view falls on the pulleys 29, the counterweight 30 and on the sheaves 28 for the Lift Cabin Pedestal 26.
- the counterweight 30 is disposed between the inner guide rails 23 and its sheaves 29 are designed as loose rollers on the axle 11, the counterweight 30 hangs.
- the pedestal 36 for the elevator car by these axles 10 lead into the interior of the elevator car pedestal 36.
- Figure 4 shows this lift shaft seen from above, with the traction drive with drive tube 26 without mounting bridge, to illustrate the position of the drive tube 26 with respect to the two guide rail pairs 23,24.
- the axis of rotation 37 of the drive tube 26 runs exactly between the two planes 38, 39, which are formed by the two guide rail pairs 23 and 24.
- This arrangement of the drive tube 26 an excellent mass balance is achieved, so that the forces acting on the suspension of the traction drive on the guide rails torques and forces remain minimal and also hardly significant forces on the attachment of the guide rails 23,24 act on the lift shaft wall 7.
- FIG. 5 shows a perspective view of the traction drive with its driving tube 26, which is shown here in dashed lines, because it is covered on the mounted drive by a cover plate 40. It can be seen the mounting bridge 25 and the guide rails 23,24, to which this mounting bracket 25 is mounted.
- a first pair of parallel guide rails 23 is provided for the guidance of the counterweight, and parallel to the plane between these two guide rails 23, a further pair of parallel guide rails 24 is arranged at a greater distance from each other, on which the elevator car is guided.
- the guide rails 24 are screwed via square sections 34 and an end flange 35 with the wall 7 of the elevator shaft. In the same way, the inner guide rails 23 are connected to the wall 7.
- the traction drive tube 26 extends horizontally and parallel to the two planes between the guide rails 23 and 24 of the two pairs of vertical guide rails.
- the inner pair of vertical guide rails 23 on which the counterweight is guided is closer to the shaft wall 7 than the guide rails 24 of the other pair of guide rails on which the elevator car is guided.
- the open side of the two C-shaped frame members 27 are arranged opposite to each other, wherein the lower, horizontally extending legs 33 of the C-shape resting on the upper ends of the inner guide rails 23, while the upper, horizontally extending legs 32 of the C-shape a profile resting on these legs 32 are connected and screwed so that it forms a bridge 25.
- the vertically extending portions of the C-shaped frame members 27 are clamped by means of clamping elements 31, so-called frogs, with the outside on them outer guide rails 24.
- FIG. 5 shows the cables 41, 42 guided over the driving tube 26. For the clean guidance of these cables, the driving tube 26 is equipped with rope grooves 8.
- FIG. 6 shows now, after the arrangement of the sheaves and the drive of the cables has been shown and described, in a schematic representation of the actual inventive cable guide.
- the six ropes 42 on the side facing the elevator car and its pedestal 36 initially lead vertically downwards, and then they are guided around the pulleys 28, whose axle bolts 10 protrude into the pedestal 36 of the elevator car and thus wear the same.
- the pulleys 28 Of the total of six ropes 42, three are wound around one pulley 28 and the other three ropes are passed around the adjacent pulley 28.
- the ropes 42 lead back up and are finally attached to the frame in which hangs the traction drive.
- the lower leg 33 offer the C-shaped frame members 27 at.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Types And Forms Of Lifts (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL08700542T PL2114812T3 (en) | 2007-02-06 | 2008-02-01 | Cable guide for an elevator drive |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00196/07A CH698874B1 (en) | 2007-02-06 | 2007-02-06 | Cable guide for a lift drive. |
PCT/CH2008/000037 WO2008095325A1 (en) | 2007-02-06 | 2008-02-01 | Cable guide for an elevator drive |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2114812A1 true EP2114812A1 (en) | 2009-11-11 |
EP2114812B1 EP2114812B1 (en) | 2012-02-01 |
Family
ID=39295386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08700542A Active EP2114812B1 (en) | 2007-02-06 | 2008-02-01 | Cable guide for an elevator drive |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP2114812B1 (en) |
AT (1) | ATE543769T1 (en) |
CH (1) | CH698874B1 (en) |
DK (1) | DK2114812T3 (en) |
ES (1) | ES2381055T3 (en) |
PL (1) | PL2114812T3 (en) |
WO (1) | WO2008095325A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH699711A2 (en) * | 2008-10-12 | 2010-04-15 | Henseler H Ag | Drive for an elevator car. |
CN102806919B (en) * | 2012-07-30 | 2014-12-10 | 华南农业大学 | Movable drive device for preventing wire rope from becoming flexible |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2001285634B2 (en) * | 2000-09-27 | 2006-09-14 | Inventio Ag | Elevator with drive unit mounted in a superior lateral section of the elevator hoistway |
DE102005011020A1 (en) * | 2005-03-10 | 2006-09-14 | Georg-Friedrich Blocher | Gearless and compact hoist drive in external rotor design |
DE202006002064U1 (en) * | 2006-02-09 | 2006-04-27 | Aufzugteile Bt Gmbh | Driving body elevator with no machine room has supporting arrangement sub-strands guided on cabin side by respective pulleys with separate axles |
-
2007
- 2007-02-06 CH CH00196/07A patent/CH698874B1/en unknown
-
2008
- 2008-02-01 WO PCT/CH2008/000037 patent/WO2008095325A1/en active Application Filing
- 2008-02-01 DK DK08700542.7T patent/DK2114812T3/en active
- 2008-02-01 ES ES08700542T patent/ES2381055T3/en active Active
- 2008-02-01 PL PL08700542T patent/PL2114812T3/en unknown
- 2008-02-01 EP EP08700542A patent/EP2114812B1/en active Active
- 2008-02-01 AT AT08700542T patent/ATE543769T1/en active
Non-Patent Citations (1)
Title |
---|
See references of WO2008095325A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATE543769T1 (en) | 2012-02-15 |
CH698874B1 (en) | 2009-11-30 |
ES2381055T3 (en) | 2012-05-22 |
DK2114812T3 (en) | 2012-05-21 |
PL2114812T3 (en) | 2012-08-31 |
WO2008095325A1 (en) | 2008-08-14 |
EP2114812B1 (en) | 2012-02-01 |
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