EP3310701A1 - Elevator system having a pulley, the contact surface of which has an anisotropic structure - Google Patents
Elevator system having a pulley, the contact surface of which has an anisotropic structureInfo
- Publication number
- EP3310701A1 EP3310701A1 EP16728290.4A EP16728290A EP3310701A1 EP 3310701 A1 EP3310701 A1 EP 3310701A1 EP 16728290 A EP16728290 A EP 16728290A EP 3310701 A1 EP3310701 A1 EP 3310701A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- contact surface
- elevator installation
- installation according
- belt
- 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
- 239000000725 suspension Substances 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 claims description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000003746 surface roughness Effects 0.000 claims description 10
- 238000003754 machining Methods 0.000 claims description 7
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000009760 electrical discharge machining Methods 0.000 claims description 2
- 238000010894 electron beam technology Methods 0.000 claims description 2
- 238000010884 ion-beam technique Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 108010066114 cabin-2 Proteins 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B15/00—Main component parts of mining-hoist winding devices
- B66B15/02—Rope or cable carriers
- B66B15/04—Friction sheaves; "Koepe" pulleys
-
- 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
- B66B11/06—Driving gear ; Details thereof, e.g. seals with hoisting rope or cable positively attached to a winding drum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B15/00—Main component parts of mining-hoist winding devices
- B66B15/02—Rope or cable carriers
Definitions
- belt-like support means which have tension members and a jacket arranged around the tension members used.
- Such belt-like support means are, similar to conventional steel cables over
- WO 2013/172824 discloses coated rolls for elevator installations. By choosing the coating can thus the
- Coating materials is executable.
- these wear in the prior art known coatings of rolls does not meet the different requirements of rolls in elevator systems.
- Such a trained role for an elevator system has the advantage that thereby the different requirements with respect to a traction behavior between the belt-like suspension element and role optimally taken into account.
- a higher coefficient of friction in Unifangsraum the role is achieved that a traction for transmitting the driving forces from the roller to the belt-like support means or from the belt-like support means can be optimally designed on the role.
- it is achieved by a lower coefficient of friction in the axial direction of the roller that the belt-like support means can better lead to the role. It has been observed that excessive friction between the suspension element and the roller in the axial direction makes lateral guidance of the suspension element on the roller more difficult. By the lateral guidance of the belt-like support means is improved on the roller, for example laterally derailing suspension means can be prevented.
- a tolerance range with respect to a diagonal pull of the suspension element on the roller can be increased.
- a surface roughness in a uniaxial direction of the roll is greater than a surface roughness in an axial direction of the roll.
- a larger surface roughness leads to a greater coefficient of friction between the support means and contact surface of the roller, and a smaller surface roughness leads to a smaller coefficient of friction between the support means and contact surface of the roller.
- the surface roughness is in
- Circumferential direction of the roller formed such that with a jacket of the belt-like support means made of polyurethane, a coefficient of friction ⁇ between 0.2 and 0.6, preferably between 0.3 and 0.5, particularly preferably between 0.35 and 0.45 results.
- the surface roughness is in
- Polyurethane belt-type support means a coefficient of friction ⁇ between 0.05 and 0.45, preferably between 0.1 and 0.3, more preferably between 0.15 and 0.25 results.
- Such an electrochemical or chemical process in an etching solution has the advantage that it is inexpensive and that a variety of anisotropic structures can be formed thereby.
- the respective needs of the different applications of roles in elevator systems can be optimally taken into account.
- the anisotropic structure is the
- Contact surface of the roll formed by laser beam machining, electron beam machining or ion beam machining.
- the anisotropic structure of the contact surface of the roll is formed by spark erosion or elytic.
- the contact surface of the roller is executed cambered.
- Such a cambered execution of the roller has the advantage that thereby a better lateral guidance of the belt-like support means on the roller can be achieved.
- the contact surface of the roller is made contoured.
- the contact surface of the roller is designed to be complementary to a cross-section of a contact surface of the belt-type suspension element.
- the roller is a traction sheave.
- the roller is a counterweight pulley or cab deflection pulley.
- the contact surface of the roller is formed of steel.
- the contact surface of the roll of hardenable steel is formed, wherein at least portions of the contact surface are hardened.
- the roller has flanged wheels.
- the provision of flanged wheels on the rollers has the advantage that in addition lateral derailing of the belt-like suspension means on the roller is made more difficult.
- the proposed rollers can basically be used at different locations in an elevator installation and in different types of elevator installations. Such rollers can be used in elevator systems with counterweight and also in elevator systems without counterweight. Furthermore, such roles in
- Elevator systems with different suspensions are used, such as 1: 1 suspensions, 2: 1 suspensions or 4: 1 suspensions.
- Rollers may be arranged as deflection rollers on a counterweight or a cabin or in a shaft, or the roller may be formed as a traction sheave of a drive.
- Fig. 1 is a schematic representation of an exemplary elevator installation
- Fig. 2A is a schematic illustration of an exemplary roller
- Fig. 2B is a schematic illustration of an exemplary roller
- 2C is a schematic representation of an exemplary support means
- Fig. 2D is a schematic representation of an exemplary role.
- FIG. 1 an exemplary embodiment of an elevator installation 1 is shown.
- the elevator installation 1 comprises a car 2, a counterweight 3, a drive 4 and a belt-like suspension element 5.
- the belt-like suspension element 5 is fixed in the elevator installation 1 by a first suspension element fastening 7, via a
- Counterweight deflection roller 10 out passed over a traction sheave 4 of the drive, passed over two cabin deflection rollers 8 and secured by a second suspension means fastening 7 in turn in the elevator system 1.
- the elevator installation 1 is arranged in a shaft 6.
- the elevator system is not arranged in a shaft, but for example on an outer wall of a building.
- the exemplary elevator installation 1 in FIG. 1 comprises a counterweight 3.
- the elevator installation does not comprise a
- Counterweight 3 as well as cabin 2 suspended with a 2: 1 suspension.
- both the counterweight and the cabin may be suspended with a different gear ratio.
- numerous other embodiments of an elevator installation are possible.
- FIG. 2A an exemplary embodiment of a roller 4, 8, 10 is shown schematically.
- the figure shows parts of a cross section of the roller 4, 8, 10.
- the roller 4, 8, 10 has an inner ring 11 and an outer ring 12. Between the inner ring 11 and the outer ring 12 rolling elements 13 are arranged.
- the outer ring 12 forms the contact surface 15 of the roller 4, 8, 10th
- the outer ring 12 flanges 17.
- the flanged wheels 17 are each arranged laterally to the contact surface 15, so that lateral slipping of the belt-like support means (not shown) can be prevented.
- the contact surface 15 is executed cambered.
- FIG. 2B shows a further exemplary embodiment of a roller 4, 8, 10. Again, part of a cross section of the roller 4, 8, 10 is shown. In contrast to the roller of FIG. 2A, the contact surface 15 is in this
- Embodiment designed contoured In this case, the contact surface 15 in a circumferential direction a plurality of substantially V-shaped ribs and a plurality of
- the contact surface 15 is complementary to a traction surface of the belt-like support means (not shown).
- the ribs and grooves of the contact surface 15 increase on the one hand the traction between the belt-like support means and the roller 4, 8, 10 and on the other hand, the belt-like support means laterally on the roller 4, 8, 10th
- FIG. 2C shows a section of an exemplary embodiment of a suspension element 5.
- the support means 5 comprises a plurality of parallel in a common plane juxtaposed tensile carrier 32, which are surrounded by a common jacket 31.
- the support means 5 with longitudinal ribs on one
- Such longitudinal ribs improve traction of the support means 5 on the traction sheave 4 and also facilitate lateral guidance of the support means 5 on the traction sheave 4.
- the support means 5 can also be designed differently, for example without longitudinal ribs, or with a different number or a different arrangement of Tensile carrier 32.
- FIG. 2D shows a further exemplary embodiment of a roller 4, 8, 10.
- a circumferential direction 21 and an axial direction 22 are marked on the illustrated roller 4, 8, 10 on the contact surface 15.
- the anisotropic structure of the contact surface 15 is not apparent in this exemplary representation, since such small structures are not visible in the selected scale of the roller 4, 8, 10.
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)
- Rolls And Other Rotary Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15172611 | 2015-06-17 | ||
PCT/EP2016/062890 WO2016202643A1 (en) | 2015-06-17 | 2016-06-07 | Elevator system having a pulley, the contact surface of which has an anisotropic structure |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3310701A1 true EP3310701A1 (en) | 2018-04-25 |
EP3310701B1 EP3310701B1 (en) | 2019-08-07 |
Family
ID=53404460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16728290.4A Revoked EP3310701B1 (en) | 2015-06-17 | 2016-06-07 | Lift system comprising a pulley, whose contact surface comprises an anisotropic structure. |
Country Status (11)
Country | Link |
---|---|
US (1) | US20180162699A1 (en) |
EP (1) | EP3310701B1 (en) |
CN (1) | CN107709218B (en) |
BR (1) | BR112017022333A2 (en) |
CA (1) | CA2982511A1 (en) |
ES (1) | ES2748779T3 (en) |
HK (1) | HK1246757A1 (en) |
MX (1) | MX2017015025A (en) |
SG (1) | SG11201709942YA (en) |
TW (1) | TW201708092A (en) |
WO (1) | WO2016202643A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205687353U (en) * | 2016-06-07 | 2016-11-16 | 浙江五洲新春集团股份有限公司 | A kind of elevator steel band rope wheel component having unit structure |
DE102016115226A1 (en) * | 2016-08-17 | 2018-02-22 | Wegener + Stapel Fördertechnik GmbH | Compact Hubwerkanordnung |
US11820628B2 (en) * | 2017-10-17 | 2023-11-21 | Inventio Ag | Elevator system comprising deflecting elements having different groove geometries |
EP3885302A1 (en) * | 2020-03-26 | 2021-09-29 | KONE Corporation | Rope wheel, traction wheel, elevator drive machinery and elevator |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1458425A (en) | 1919-07-12 | 1923-06-12 | Otis Elevator Co | V-grooved sheave |
US5881843A (en) | 1996-10-15 | 1999-03-16 | Otis Elevator Company | Synthetic non-metallic rope for an elevator |
CN1267604C (en) | 1998-02-26 | 2006-08-02 | 奥蒂斯电梯公司 | Tension member for elevator |
MY143607A (en) * | 2004-10-18 | 2011-06-15 | Inventio Ag | Lift comprising a flat-belt as a tractive element |
DE102006020633B3 (en) | 2006-05-04 | 2007-11-29 | Contitech Antriebssysteme Gmbh | flat belts |
KR101129370B1 (en) | 2007-10-24 | 2012-03-26 | 신닛뽄세이테쯔 카부시키카이샤 | Carbonitrided induction-hardened steel part with excellent rolling contact fatigue strength at high temperature and process for producing the same |
CN101349023B (en) * | 2008-08-27 | 2013-02-06 | 葛文国 | Elevator drawing belt and transmission method thereof |
WO2010072690A1 (en) * | 2008-12-22 | 2010-07-01 | Inventio Ag | Elevator support means, manufacturing method for said support means and elevator system comprising said elevator support means |
FI125268B (en) | 2010-03-11 | 2015-08-14 | Kone Corp | A traction sheave elevator and a method for improving the traction of a traction sheave in an elevator traction sheave |
WO2013010878A1 (en) * | 2011-07-19 | 2013-01-24 | Inventio Ag | Friction sheave for lifts |
EP2850027B1 (en) * | 2012-05-16 | 2020-10-14 | Otis Elevator Company | Coated sheave |
CN105209366A (en) | 2013-03-15 | 2015-12-30 | 奥的斯电梯公司 | Traction sheave for elevator system |
EP3071504B1 (en) | 2013-11-22 | 2020-06-24 | Otis Elevator Company | Idler or deflector sheave for elevator system |
-
2016
- 2016-06-07 EP EP16728290.4A patent/EP3310701B1/en not_active Revoked
- 2016-06-07 BR BR112017022333-3A patent/BR112017022333A2/en not_active Application Discontinuation
- 2016-06-07 ES ES16728290T patent/ES2748779T3/en active Active
- 2016-06-07 CA CA2982511A patent/CA2982511A1/en not_active Abandoned
- 2016-06-07 CN CN201680031778.6A patent/CN107709218B/en not_active Expired - Fee Related
- 2016-06-07 SG SG11201709942YA patent/SG11201709942YA/en unknown
- 2016-06-07 MX MX2017015025A patent/MX2017015025A/en unknown
- 2016-06-07 US US15/736,602 patent/US20180162699A1/en not_active Abandoned
- 2016-06-07 WO PCT/EP2016/062890 patent/WO2016202643A1/en active Application Filing
- 2016-06-13 TW TW105118371A patent/TW201708092A/en unknown
-
2018
- 2018-05-15 HK HK18106278.0A patent/HK1246757A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
SG11201709942YA (en) | 2017-12-28 |
EP3310701B1 (en) | 2019-08-07 |
CN107709218B (en) | 2020-03-27 |
MX2017015025A (en) | 2018-04-13 |
US20180162699A1 (en) | 2018-06-14 |
HK1246757A1 (en) | 2018-09-14 |
CA2982511A1 (en) | 2016-12-22 |
TW201708092A (en) | 2017-03-01 |
ES2748779T3 (en) | 2020-03-17 |
WO2016202643A1 (en) | 2016-12-22 |
CN107709218A (en) | 2018-02-16 |
BR112017022333A2 (en) | 2018-07-10 |
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