GB972417A - Improvements in or relating to to folding tower cranes - Google Patents

Improvements in or relating to to folding tower cranes

Info

Publication number
GB972417A
GB972417A GB12046/63A GB1204663A GB972417A GB 972417 A GB972417 A GB 972417A GB 12046/63 A GB12046/63 A GB 12046/63A GB 1204663 A GB1204663 A GB 1204663A GB 972417 A GB972417 A GB 972417A
Authority
GB
United Kingdom
Prior art keywords
tower
cable
winch
jib
ratchet
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
GB12046/63A
Inventor
Noly Jean
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.)
F Potain and Cie
Original Assignee
F Potain and Cie
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 F Potain and Cie filed Critical F Potain and Cie
Publication of GB972417A publication Critical patent/GB972417A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes 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
    • B66C23/18—Cranes 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
    • B66C23/26—Cranes 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
    • B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
    • B66C23/346—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes with locking devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes 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
    • B66C23/18—Cranes 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
    • B66C23/26—Cranes 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
    • B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
    • B66C23/342—Self-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

972,417. Folding tower cranes. ETABLISSEMENTS F. POTAIN & CIE. March 27, 1963 [April 6, 1962], No. 12046/63. Heading B8B. A telescopic collapsibletower crane has a cable 25, Fig. 2, for telescoping the jib in conjunction with a winch 30, a raising cable 31 of constant length which extends from a point 31a on the counter-jib over pulleys 11, 14 to a support 3, a hoisting cable 32 connected to a winch 36 and an endless cable 37 driven by a winch 40, which displaces carriage 33 along the jib. To erect the crane from the Fig. 1 position; the tip 13. of the jib is folded down into alignment with the main part 12 and the winch 30 is operated with a ratchet 18 disengaged to extend a telescopic section 7 of the tower to the left, Fig. 2. This extension proceeds until a notch 9a, Fig. 6, abuts the ratchet 18 to arrest further movement to the left. Continued rotation of the winch 30 now moves a portion 9 of the tower to the right in Fig. 2 and that part of the cable 25 which passes round a pulley 26 causes the tower to swing into a vertical position about an axis 5. The tower is rocked in this position and the ratchet 18 again disengaged to permit further extension of the tower. This extension raises the jib to a horizontal position by means of the cable 31 and a stay 17. The crane is now locked in this' operational position. Further telescopic elements may be provided.
GB12046/63A 1962-04-06 1963-03-27 Improvements in or relating to to folding tower cranes Expired GB972417A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR42460A FR1327241A (en) 1962-04-06 1962-04-06 Improvements to folding cranes mounted on chassis

Publications (1)

Publication Number Publication Date
GB972417A true GB972417A (en) 1964-10-14

Family

ID=37396236

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12046/63A Expired GB972417A (en) 1962-04-06 1963-03-27 Improvements in or relating to to folding tower cranes

Country Status (5)

Country Link
US (1) US3161299A (en)
ES (1) ES286785A1 (en)
FR (1) FR1327241A (en)
GB (1) GB972417A (en)
NL (1) NL139716B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1403907A (en) * 1964-05-11 1965-06-25 Richier Sa Crane
DE1289970B (en) * 1965-11-20 1969-02-27 Potain & Cie Ets F Collapsible crane
DE1297834B (en) * 1967-03-11 1969-06-19 E H Hans Dr Ing Mobile multi-purpose crane
DE3207443A1 (en) * 1982-03-02 1983-09-15 Wilhelm 5020 Frechen König TURNING CRANE
EP2114813B1 (en) * 2007-02-16 2012-09-05 Itrec B.V. Hoisting crane and vessel with such a crane
ES2910102A1 (en) * 2020-11-09 2022-05-11 Saez Machinery S L Automated folding and deployed tower crane (Machine-translation by Google Translate, not legally binding)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2928493A (en) * 1955-02-10 1960-03-15 Hugh M Rush Telescoping boom
GB798547A (en) * 1955-02-21 1958-07-23 Chantiers & Ateliers De Constr Tower crane
US3034660A (en) * 1959-04-03 1962-05-15 Edward A Rau Trailer mounted folding derrick with telescoping boom

Also Published As

Publication number Publication date
ES286785A1 (en) 1963-08-01
US3161299A (en) 1964-12-15
NL6812362A (en) 1968-11-25
FR1327241A (en) 1963-05-17
NL139716B (en) 1973-09-17

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