GB1015490A - Cranes - Google Patents

Cranes

Info

Publication number
GB1015490A
GB1015490A GB1065864A GB1065864A GB1015490A GB 1015490 A GB1015490 A GB 1015490A GB 1065864 A GB1065864 A GB 1065864A GB 1065864 A GB1065864 A GB 1065864A GB 1015490 A GB1015490 A GB 1015490A
Authority
GB
United Kingdom
Prior art keywords
jib
strut
pulley
cable
tower
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
GB1065864A
Inventor
Iakov Efimovich Sigal
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.)
VSESOIUZNY NI SKY I STR NOVO I
Original Assignee
VSESOIUZNY NI SKY I STR NOVO I
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 VSESOIUZNY NI SKY I STR NOVO I filed Critical VSESOIUZNY NI SKY I STR NOVO I
Priority to GB1065864A priority Critical patent/GB1015490A/en
Publication of GB1015490A publication Critical patent/GB1015490A/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
    • 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

Abstract

1,015,490. Collapsible tower cranes. VSESOIUZNY NAUCHNO - ISSLEDOVATEL'SKY INSTITUTE STROITEL' NOVO I. DOROZHNOVO MASCHINOSTROENIA. March 13, 1964, No. 10658/64. Heading B8B. A tower crane comprises a slewing platform 1 mounted on a wheeled carriage 2 with the tower 3 pivoted to the platform at 4 and held upright by a strut 5 attached to a rigid framework 6. A jib 7 (folding at a hinge 37) is pivoted at 30 to the tower 3 and may be luffed by a cable 8 whose two ends are attached to the jib 7 near its free ends. The cable 8 passes over pulleys 9<SP>1</SP>, , 10<SP>1</SP> and a pulley 11 on a block 15. A cable 21 from a luffing winch 24 passes over pulleys 16 on the block 15 and over pulleys 17, 22 being attached to the end of a strut 18 by its free end. A load carrying cable 26 passes from a hoisting winch 29 round a pulley 28, a pulley next to pulley 9, pulley 27, pulley 25 and back along a similar path to a drum on the luffing winch 24 so that when the jib 7 is luffed the load remains at the same height. To lower the crane for transport, cable 21 is paid out by the luffing winch 24 so that the jib 7 is lowered. When the jib 7 is horizontal the block 15 contacts an abutment 36 on a strut 12 carrying the pulleys 10<SP>1</SP>, 22, further lowering of the jib 7 resulting in pivoting the strut 12 upwards to finally come to rest against the top of the tower 3. In this position a cable 33 joining the jib 7 to the strut 12 is taut so that when the jib 7 is raised to erect the crane the strut 12 is pivoted downwards.
GB1065864A 1964-03-13 1964-03-13 Cranes Expired GB1015490A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1065864A GB1015490A (en) 1964-03-13 1964-03-13 Cranes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1065864A GB1015490A (en) 1964-03-13 1964-03-13 Cranes

Publications (1)

Publication Number Publication Date
GB1015490A true GB1015490A (en) 1965-12-31

Family

ID=9971908

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1065864A Expired GB1015490A (en) 1964-03-13 1964-03-13 Cranes

Country Status (1)

Country Link
GB (1) GB1015490A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016044024A (en) * 2014-08-21 2016-04-04 株式会社小川製作所 Roping structure of construction tower crane or gib crane

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016044024A (en) * 2014-08-21 2016-04-04 株式会社小川製作所 Roping structure of construction tower crane or gib crane

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