EP2847521A1 - Lageranordnung sowie parabolrinnenkollektor - Google Patents

Lageranordnung sowie parabolrinnenkollektor

Info

Publication number
EP2847521A1
EP2847521A1 EP13719418.9A EP13719418A EP2847521A1 EP 2847521 A1 EP2847521 A1 EP 2847521A1 EP 13719418 A EP13719418 A EP 13719418A EP 2847521 A1 EP2847521 A1 EP 2847521A1
Authority
EP
European Patent Office
Prior art keywords
component
support roller
bearing
bearing arrangement
support
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.)
Withdrawn
Application number
EP13719418.9A
Other languages
German (de)
English (en)
French (fr)
Inventor
Martin Weber
Jörg BAUER
Jürgen DONATH
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
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.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of EP2847521A1 publication Critical patent/EP2847521A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
    • F16C13/006—Guiding rollers, wheels or the like, formed by or on the outer element of a single bearing or bearing unit, e.g. two adjacent bearings, whose ratio of length to diameter is generally less than one
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
    • F16C13/02—Bearings
    • F16C13/04—Bearings with only partial enclosure of the member to be borne; Bearings with local support at two or more points
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/26—Systems consisting of a plurality of sliding-contact bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/74—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with trough-shaped or cylindro-parabolic reflective surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
    • F24S30/425—Horizontal axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
    • F24S40/80—Accommodating differential expansion of solar collector elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/50—Alloys based on zinc
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/52—Alloys based on nickel, e.g. Inconel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • F16C2240/50—Crowning, e.g. crowning height or crowning radius
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
    • F16C33/121—Use of special materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
    • F16C33/122—Multilayer structures of sleeves, washers or liners
    • F16C33/124—Details of overlays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S2030/10—Special components
    • F24S2030/15—Bearings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking

Definitions

  • the invention proceeds from the consideration that the Hertz's pressure can undesirably increase further with a tilting of two rolling partners depending on their profile. For example, with a tilting of cylindrical Wälzpartner each other to a one-sided increase in the Hertzian pressure.
  • tilting of the rolling partners relative to each other can not be ruled out, especially when mounting the support shaft of a parabolic trough collector via the flange disks connecting the individual pipe sections.
  • the expected due to the great length at varying temperatures differences in length can contribute to this effect.
  • the invention recognizes that the Hertzian pressure of the forming contact surface between the component and the support roller can be reduced by virtue of the fact that the lateral surface of the support roller has a convex crown in the axial direction. As a result, the pressure load is made uniform. Also, the expected maximum value of the Hertzian pressure is reduced compared to a cylindrical profile of the support roller. In addition, a spherical design of the Lateral surface a lower sensitivity of Hertz 'see pressing against tilting of Wälzpartner.
  • Figure 2 shows a sectional view of the support area of the device in the
  • the support rollers 5 attach the component 3 radially. Upon rotation about the pivot axis 2, the component 3 rolls circumferentially on the support rollers 5.
  • Each of the support rollers 5 is mounted on the support structure 6 by means of a radial sliding bearing 8.
  • the radial slide bearing 8 is in each case by a sliding bearing of the support roller 5 a bolt 9 is formed, which is firmly joined to the support structure 6.
  • Each of the support rollers 5 further comprises at both ends a collar 11. Between the coils 11, the component 3 dives with its peripheral line to the lateral surface 12 of the support roller 5 from.
  • the illustrated component 3 corresponds to a flange disc, as it connects two pipe sections 27, 28 of a support shaft 30 of a parabolic trough collector 26 according to FIG 4.
  • FIG 3 the sliding portion of the support roller 5 is shown on the pin 9 in a half-broken view. From the cut support roller 5 each of the two collars 11 can be seen, between which the component 3 is immersed with its peripheral side. A possible axial offset of the component 3 is indicated by arrows. To optimize the friction between the support roller 5 and the pin 9, a sliding bushing 24 is pressed into a central bore of the support roller 5.
  • axial bearing 36 At one point of the support shaft 30, this is held on an axial bearing 36.
  • the axial degree of freedom of a support roller 5 is limited by the appropriately designed support structure 6.
  • the axial bearing 36 is supported by a drive pylon 38.
  • a non-illustrated hydraulic drive is mounted, via which the support shaft 30 can be rotated controlled by a predetermined angle.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Support Of The Bearing (AREA)
EP13719418.9A 2012-05-09 2013-04-02 Lageranordnung sowie parabolrinnenkollektor Withdrawn EP2847521A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210207749 DE102012207749A1 (de) 2012-05-09 2012-05-09 Lageranordnung sowie Parabolrinnenkollektor
PCT/EP2013/056865 WO2013167320A1 (de) 2012-05-09 2013-04-02 Lageranordnung sowie parabolrinnenkollektor

Publications (1)

Publication Number Publication Date
EP2847521A1 true EP2847521A1 (de) 2015-03-18

Family

ID=48227169

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13719418.9A Withdrawn EP2847521A1 (de) 2012-05-09 2013-04-02 Lageranordnung sowie parabolrinnenkollektor

Country Status (5)

Country Link
US (1) US20150107580A1 (zh)
EP (1) EP2847521A1 (zh)
CN (1) CN104334979A (zh)
DE (1) DE102012207749A1 (zh)
WO (1) WO2013167320A1 (zh)

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USD743881S1 (en) * 2014-09-17 2015-11-24 Nextracker Inc. Solar tracker frame
CN106395134B (zh) * 2015-07-27 2019-03-15 盟立自动化股份有限公司 用以承载平板构件的卡匣结构
US11035591B2 (en) * 2015-10-13 2021-06-15 Corosolar Llc Bearing assembly for solar trackers
US10097134B2 (en) * 2016-02-05 2018-10-09 Solarcity Corporation Pile cap with integrated bearing housing
ES2715508B2 (es) * 2017-11-03 2020-05-04 Manufacturas Braux S L Cabezal regulable y sistema de seguimiento para paneles fotovoltaicos
DE202018103053U1 (de) * 2018-05-30 2018-06-08 Ideematec Deutschland Gmbh Solaranlage mit verschwenkbarem und feststellbarem Modultisch
DE202018105951U1 (de) 2018-10-17 2018-10-26 Frenell Gmbh Lager für Solarmodule
US10988971B1 (en) * 2019-01-07 2021-04-27 Peter J. Annazone, Jr. Roller guide for pocket doors
US11525604B1 (en) 2021-10-21 2022-12-13 Nextracker Llc Articulation joints for terrain following solar tracker

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Also Published As

Publication number Publication date
DE102012207749A1 (de) 2013-11-14
CN104334979A (zh) 2015-02-04
US20150107580A1 (en) 2015-04-23
WO2013167320A1 (de) 2013-11-14

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