ES489997A1 - Perfeccionamientos introducidos en las plumas telescopicas con carro-polipasto para gruas-torre giratorias - Google Patents

Perfeccionamientos introducidos en las plumas telescopicas con carro-polipasto para gruas-torre giratorias

Info

Publication number
ES489997A1
ES489997A1 ES489997A ES489997A ES489997A1 ES 489997 A1 ES489997 A1 ES 489997A1 ES 489997 A ES489997 A ES 489997A ES 489997 A ES489997 A ES 489997A ES 489997 A1 ES489997 A1 ES 489997A1
Authority
ES
Spain
Prior art keywords
jib
crab
section
pair
telescopable
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.)
Expired
Application number
ES489997A
Other languages
English (en)
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.)
ELBA MASCHINENFABRIK KAISER G
Original Assignee
ELBA MASCHINENFABRIK KAISER G
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
Priority claimed from DE19792912529 external-priority patent/DE2912529C2/de
Priority claimed from DE19792945106 external-priority patent/DE2945106A1/de
Application filed by ELBA MASCHINENFABRIK KAISER G filed Critical ELBA MASCHINENFABRIK KAISER G
Publication of ES489997A1 publication Critical patent/ES489997A1/es
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/26Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • B66C23/34Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
    • B66C23/342Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes with telescopic elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

Perfeccionamientos introducidos en las plumas telescópicas con carro-polipasto para grúas- torre giratorias, de las del tipo en que su pluma está constituida por dos partes, es decir, una base y una cabeza, cuyos perfiles presentan en sección disposición de caja provista de una vía de rodadura para el carro-polipasto móvil, caracterizados por cuanto, la base de la pluma (40) y su cabeza correspondiente (41), mientras están constituyendo las vías o pistas de rodadura de los carros-polipasto (21 y 22), constan de una pareja de perfiles angulares regulares (33 y 38), que en estado de extensión de la pluma, ambas parejas de perfiles angulares (33 y 38) dan lugar a una vía de rodadura continua y dispuesta al mismo nivel (200), y en la que sobre cada pareja de perfiles angulares (33 y 38), se ha dispuesto un perfil de cobertura (26), y en la que para llegar al estado de plegado o recogimiento de la pluma (4), su cabeza (41), puede introducirse con su pareja de perfiles angulares (38) y otro perfil menor (34-37) en la base (40), igualmente con su pareja de perfiles angulares (33) y otro perfil mayor (26).
ES489997A 1979-03-29 1980-03-27 Perfeccionamientos introducidos en las plumas telescopicas con carro-polipasto para gruas-torre giratorias Expired ES489997A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792912529 DE2912529C2 (de) 1979-03-29 1979-03-29 Teleskopierbarer Laufkatzenausleger für Turmdrehkräne
DE19792945106 DE2945106A1 (de) 1979-11-08 1979-11-08 Sicherungseinrichtung an einem teleskopierbaren laufkatzenausleger fuer turmdrehkraene

Publications (1)

Publication Number Publication Date
ES489997A1 true ES489997A1 (es) 1980-10-01

Family

ID=25778477

Family Applications (1)

Application Number Title Priority Date Filing Date
ES489997A Expired ES489997A1 (es) 1979-03-29 1980-03-27 Perfeccionamientos introducidos en las plumas telescopicas con carro-polipasto para gruas-torre giratorias

Country Status (5)

Country Link
ES (1) ES489997A1 (es)
FR (1) FR2452461A1 (es)
GB (1) GB2045202B (es)
IT (1) IT1127007B (es)
SE (1) SE8002382L (es)

Also Published As

Publication number Publication date
SE8002382L (sv) 1980-09-30
IT1127007B (it) 1986-05-21
IT8048256A0 (it) 1980-03-25
GB2045202A (en) 1980-10-29
GB2045202B (en) 1982-11-17
FR2452461A1 (fr) 1980-10-24

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