EP3652102A1 - Umlenkrolle in einem zugmitteltrieb - Google Patents
Umlenkrolle in einem zugmitteltriebInfo
- Publication number
- EP3652102A1 EP3652102A1 EP18720591.9A EP18720591A EP3652102A1 EP 3652102 A1 EP3652102 A1 EP 3652102A1 EP 18720591 A EP18720591 A EP 18720591A EP 3652102 A1 EP3652102 A1 EP 3652102A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft
- deflection
- pulley
- pulleys
- pulley according
- 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
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 239000012791 sliding layer Substances 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 description 26
- 239000000463 material Substances 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229920001903 high density polyethylene Polymers 0.000 description 4
- 239000004700 high-density polyethylene Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 108010066114 cabin-2 Proteins 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000005494 tarnishing Methods 0.000 description 1
- 230000007704 transition Effects 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
Definitions
- the invention relates to a deflection roller in a traction mechanism drive, preferably in an elevator drive with elevator belt, wherein the deflection roller is rotatably mounted and a plurality of arranged on a shaft deflection pulleys for or the traction means, wherein the traction means or suspension means the deflection roller or Slices on an outer circumferential surface over a partial circumference rotates or wraps around.
- a traction drive usually a number of pulleys are required to guide the traction means and deflect, that drive rollers, driven rollers,
- Clamping devices, etc. remain in compliance with regulations and at the same time the spatial and geometric features, the dimensions and the required installation space of other machine parts is taken into account.
- Elevator car moves within a narrow elevator shaft and usually hangs on several ropes, which also move corresponding counterweights.
- the elevator belts or the carrying straps are guided by a series of deflection rollers in the elevator shaft so that the elevator cage and counterweights can be safely driven by one or more drive rollers and can travel precisely up and down within the shaft.
- suspension means ie elevator belts or carrying belts
- These straps are guided over a common traction sheave / drive pulley, with which the drive torque is transmitted to the pull straps or support means.
- the running speed of the support means substantially corresponds to the peripheral speed of the traction sheave and is provided by possibly provided pulleys to an integer fraction of the
- Transfer driving speed of the car This fraction is thus basically determined by the number of acting in the sense of a pulley pulleys on elevator car and counterweight.
- both the car and the counterweight are attached directly to the ends of a suspension element, which rotates between the car and counterweight the drive pulley and transmits the drive torque via cable friction.
- the running speed of the suspension element is equal to the travel speed of the car in the shaft. Pulleys can also be used here, but not those that the translation or the
- Elevator systems several support means / straps are led side by side on one and the same pulley. These wider pulleys are then designed so that their outer surface corresponding to multiple spherically or profiled formed areas which are separated by separating flanged wheels so that the support means adjacent to each other, but separated from each other can circulate the pulley.
- several parallel suspension means or straps over the same
- WO 2016-019135 A1 discloses a deflection roller whose deflection pulley, yes its surface interacts with the suspension means, is rotatably supported by means of at least one bearing on the shaft of the guide roller.
- the bearing shown there is not specified. Only in the figures, a conventional ball bearings can be suspected. In principle, so here was the usual storage of the with the
- the object was to provide a pulley, in which a skew can not occur or at least greatly reduced, even if the same pulley is used for several adjacent straps and - at least within certain limits - not quite clean escape each
- the pulley should have a simple and inexpensive construction, enable easy maintenance and provide a long service life.
- the deflection plates are arranged relative to the shaft and axially displaceable relative to each other, preferably slidably axially slidably.
- Training can be absorbed or compensated for by the displacement occurring in emerging diagonal train axial force component in the traction means or in the support belt / suspension means.
- a permanent tarnishing of the support means to the flanged wheels is prevented as well as leakage from an existing guide groove or the running of a centering crown of the deflection plate.
- the axial displaceability between the deflecting disk and the shaft which is embodied according to the invention, is essentially free of play, it can still be overcome by overcoming the problem Adhesive or sliding friction between the shaft and deflecting an axial displacement, for example, if there is a lack of clean all escape and drive rollers
- Axialkraftkomponente occurs in traction means. Achieves this inventive axial displacement, for example, by an adapted material pairing and tolerance between the hub of the deflection plate and the shaft.
- the shaft can be formed here, for example, steel, while the
- Deflector at least in the region of the hub consists of a lubricious plastic.
- a coating or support made of high-strength plastic material with a low coefficient of friction can be used.
- high-strength plastic material with a low coefficient of friction can be used.
- special polyamides or HDPE (High Density Polyethylene) are suitable.
- the deflection discs can also be made entirely of such a plastic, if the load in the respective application allows this.
- Preferably, and in the sense of a uniform axial and radial loading of the deflection plates by the tensile forces transmitted by the support means are the
- Deflection disks between the bearings of a two-sided shaft bearing arranged side by side A further advantageous embodiment is that the juxtaposed deflecting discs have flanges or form. Flush discs serve to guide the suspension / elevator belts, continue to prevent suspension means abut or skip against each other and are also in the occurrence of said
- a further advantageous embodiment is that the deflecting discs are accommodated by means of one or more receiving sleeves axially displaceable on the shaft, preferably axially slidably received slidably Such receiving sleeves, ie between the outer surface of the shaft and the
- Inner surface of the hub / receiving bore of the deflection disc arranged sliding sleeves or sliding support sleeves simplify the production and maintenance of the deflection plate and shaft.
- Mobility in the field of sliding friction can be provided very precisely by the choice of materials alone in the sleeve.
- the shaft of such a deflection roller made of metal, preferably made of steel.
- a sleeve arranged between the deflecting disk and the shaft can then be made of different materials, preferably of a high-strength plastics material with a low coefficient of friction.
- a high-strength plastics material with a low coefficient of friction.
- special polyamides or HDPE High Density Polyethylene
- This can be easily replaced after a certain period of time and any wear and tear the sleeve and thus the entire pulley again full
- a further advantageous embodiment also in terms of explosion and fire protection is that the Aufhahmehülsen are designed antistatic and thus can accumulate no charges.
- a further advantageous embodiment consists in that the axial displaceability of the deflecting disks on the shaft is provided by a sliding layer or sliding coating on the shaft, on the receiving sleeve or in the hub of the deflecting disks, preferably by a sliding layer or sliding coating with polytetrafluoroethylene (trade name "Teflon").
- Teflon polytetrafluoroethylene
- a further advantageous embodiment consists in that the deflecting disks are additionally arranged and / or designed to be able to slide in a sliding manner relative to the shaft. This noise generation is avoided, which arises for example by small relative movements (stick-slip effect) between the deflection of the individual adjacent support means running and the shaft of the guide roller
- a further advantageous embodiment is that the shaft is hollow and the storage of the deflection roller takes place within the hollow shaft.
- such a pulley is of course suitable for an elevator system with an elevator drive, in which a plurality of parallel lift or shoulder straps are provided, as already clear from the description above.
- FIG. 2 shows one of the deflection rollers according to the invention an elevator system according to Fig. 1 in cross section.
- Fig. 1 shows a schematic diagram of an elevator system 1 in a 2: 1 suspension type, in which the cable ends are attached to the ceiling of a hoistway.
- Cabin 2 and counterweight 3 each hang by means of deflection rollers 4a, 4b and 4c on the support means.
- the or the support means revolve a driven by a motor, not shown here traction or drive pulley 6, which between cabin and
- Counterweight is arranged in the upper region of the elevator shaft. This creates a simple pulley.
- the running speed of the support means 5 is then twice as high as the driving speed of the car 2.
- the tensile force is on the
- the support means 5 is designed here as a tri-fold parallel guided support belt.
- the deflection rollers one of which, namely the deflection roller 4a on the car roof, shown in cross section in Fig. 2, of three parallel running straps / Gurtgurt- parts 5 a, 5 b and 5 c looped around.
- the support belt 5 and, accordingly, all the carrying belt parts 5 a to 5 c are executed in the embodiment shown in FIG. 1 as a flat belt and reinforced with cords 7 as a tension member.
- the construction of the carrying strap can be seen in principle in the lower half of FIG. 2, namely where the carrying belt and the deflection pulleys are shown in section.
- the deflection rollers 4a to c in Fig. 2, the deflection roller 4a on the car, are rotatably mounted and have a plurality of arranged on a shaft 8 deflecting disks 9a, 9b, 9c.
- the carrier belt 5 as traction means wraps around the deflecting disks 9a to 9c on an outer circumferential surface over a partial circumference.
- the deflecting disks 9a, 9b, 9c are between the bearings 10 of a two-sided
- the deflection pulleys 9a, 9b, 9c arranged next to one another in each case form flanged disks 11 on both sides, which serve to guide the suspension elements / elevator belts and prevent the suspension elements from skipping over.
- the deflecting disks 9a, 9b, 9c receive their axial displaceability according to the invention in that they can be displaced axially by means of a sliding sleeve or receiving sleeve 12 the shaft 8 are recorded.
- the receiving sleeve 12 is provided on its outer surface, ie on the surface which is in contact with the inner surfaces of the hubs of the deflecting disks 9a, 9b, 9c, with a coating of PTFE (polytetrafluoroethylene, also known as Teflon coating).
- PTFE polytetrafluoroethylene, also known as Teflon coating
- the deflecting disks 9a, 9b, 9c are additionally rotatably mounted on the shaft 8 so as to be slidable by this embodiment / sliding coating, so that one is also rotatable
- Noise is avoided, which can arise, for example, by slight relative movements (stick-slip effect) between the deflection disks of the individual side-by-side support means and the shaft of the deflection roller.
- the inventive training such multiple of support means rotating
- Deflection rollers causes axial force components in the support means after a brief start of the support means to the flanged wheels an axial displacement of the
- FIG. 3 shows a guide roller 15 according to the invention again in another
- Such suspension means are disclosed for example in EP 2146919 Bl. LIST OF REFERENCE NUMBERS
- suspension means with jacketed and connected via a base layer
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017212078.9A DE102017212078A1 (de) | 2017-07-14 | 2017-07-14 | Umlenkrolle in einem Zugmitteltrieb |
PCT/EP2018/060695 WO2019011495A1 (de) | 2017-07-14 | 2018-04-26 | Umlenkrolle in einem zugmitteltrieb |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3652102A1 true EP3652102A1 (de) | 2020-05-20 |
EP3652102B1 EP3652102B1 (de) | 2021-07-28 |
Family
ID=62063542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18720591.9A Active EP3652102B1 (de) | 2017-07-14 | 2018-04-26 | Umlenkrolle in einem zugmitteltrieb |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3652102B1 (de) |
CN (1) | CN110891890B (de) |
DE (1) | DE102017212078A1 (de) |
WO (1) | WO2019011495A1 (de) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1182907B (de) * | 1962-10-26 | 1964-12-03 | Westfalia Dinnendahl Groeppel | Ablenkscheibe fuer Mehrseilfoerderanlagen |
SU394613A1 (ru) * | 1970-09-28 | 1973-08-22 | Многоручьевой шкив клиноременного вариатора | |
CH558131A (de) * | 1972-11-16 | 1975-01-31 | Steyr Daimler Puch Ag | Hochfoerdervorrichtung fuer ladewagen. |
DE102007021434B4 (de) | 2007-05-08 | 2018-10-18 | Contitech Antriebssysteme Gmbh | Aufzugsanlagenzugmittel |
CN203781576U (zh) * | 2014-04-30 | 2014-08-20 | 江苏施塔德电梯有限公司 | 一种曳引式电梯的单绕式导向轮装置 |
CN106573761B (zh) | 2014-07-31 | 2020-01-31 | 奥的斯电梯公司 | 用于电梯系统的滑轮 |
CN104291163B (zh) * | 2014-09-28 | 2018-01-09 | 江苏兴华胶带股份有限公司 | 一种电梯平衡补偿链冷定型自动盘绕装备中的导向装置 |
EP3056461B1 (de) * | 2015-02-12 | 2017-09-06 | Kone Corporation | Anordnung und Aufzug |
CN106276005B (zh) * | 2015-05-19 | 2019-09-17 | 徐州华恒机器人系统有限公司 | 垂直仓储设备 |
TR201807838T4 (tr) * | 2015-05-19 | 2018-06-21 | Iveco Magirus | Kurtarma asansörü sistemi. |
CN204802820U (zh) * | 2015-07-20 | 2015-11-25 | 苏州杰富电梯有限公司 | 一种曳引电梯的双导向轮单绕结构 |
CN205472117U (zh) * | 2016-03-29 | 2016-08-17 | 湖州东塑电梯配件有限公司 | 一种导向轮及基于导向轮的电梯补偿链导向装置 |
-
2017
- 2017-07-14 DE DE102017212078.9A patent/DE102017212078A1/de not_active Withdrawn
-
2018
- 2018-04-26 CN CN201880046582.3A patent/CN110891890B/zh active Active
- 2018-04-26 EP EP18720591.9A patent/EP3652102B1/de active Active
- 2018-04-26 WO PCT/EP2018/060695 patent/WO2019011495A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
CN110891890B (zh) | 2022-04-22 |
WO2019011495A1 (de) | 2019-01-17 |
EP3652102B1 (de) | 2021-07-28 |
DE102017212078A1 (de) | 2019-01-17 |
CN110891890A (zh) | 2020-03-17 |
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