GB1399745A - Folding cranes - Google Patents

Folding cranes

Info

Publication number
GB1399745A
GB1399745A GB3088872A GB3088872A GB1399745A GB 1399745 A GB1399745 A GB 1399745A GB 3088872 A GB3088872 A GB 3088872A GB 3088872 A GB3088872 A GB 3088872A GB 1399745 A GB1399745 A GB 1399745A
Authority
GB
United Kingdom
Prior art keywords
jib
tower section
cable
counterweight
upper 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
GB3088872A
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.)
Richier SA
Original Assignee
Richier SA
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 Richier SA filed Critical Richier SA
Publication of GB1399745A publication Critical patent/GB1399745A/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
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • 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
    • B66C23/28—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 constructed to operate at successively higher levels
    • B66C23/283—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 constructed to operate at successively higher levels with frameworks composed of assembled elements
    • 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
    • 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
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib

Landscapes

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

Abstract

1399745 Folding tower cranes RICHIER 30 June 1972 [30 June 1971] 30888/72 Heading B8B A tower crane which may be folded for transport comprises a base 1 arranged in use to run on a track 49 and pivotally mounting at 2 a lower tower section 3 to which is pivoted at 5 an upper tower section 6. Rigid links 22, 23 are pivoted together at 20 and, respectively, at 24, 25 to the lower and upper tower sections 3, 6. A further rigid link 13 is pivoted at 15 to the base 1 and at 14 to the upper tower section 6. A jib 7 is pivoted at 17 to the upper tower section 6 and is provided with a counterweight jib 47 and a load carriage 11. The jib 7 is divided by a vertical hinge 45 into elements 7a, 7b. In the transport position, Fig. 1 (not shown), the jib element 7b is folded alongside the jib element 7a, both lying above and alongside the upper tower section 6, while the lower tower section 3 lies below and alongside the upper tower section 6 being supported by a removable wheel (43). In the transport position the upper tower section 6 is supported, so as to be horizontal, on a tractor 48 adjacent point 18, the counterweight jib 47 being removed. As shown the crane is in the course of erection. A counterweight 46 is attached by a cable 52 to the base 1 and by a cable 53, initially slack, to the end of the counterweight jib 47. A winch 10 on the jib 7a normally operates a lifting cable (not shown) but is used to erect the crane by hauling in a pulley system 36 which pulls in a cable 29 passing around pulleys 27, 28 at the pivots 5, 20 to reduce the distance d between them. This action brings the tower sections 3, 6 into end-toend position, the linkage 13 causing the tower automatically to become upright. The cable 53 is initially slack but when it becomes taut it causes the jib 7 to assume its horizontal operating position where it is secured by pins at 18. The cable 52 is then released and the counterweight 46 hauled to its operating position, the load carriage 11 then being connected for use.
GB3088872A 1971-06-30 1972-06-30 Folding cranes Expired GB1399745A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7124761A FR2143617B3 (en) 1971-06-30 1971-06-30

Publications (1)

Publication Number Publication Date
GB1399745A true GB1399745A (en) 1975-07-02

Family

ID=9079930

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3088872A Expired GB1399745A (en) 1971-06-30 1972-06-30 Folding cranes

Country Status (2)

Country Link
FR (1) FR2143617B3 (en)
GB (1) GB1399745A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105417408A (en) * 2015-12-21 2016-03-23 太原重工股份有限公司 Attached type folding arm crane and mounting method thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1058358B (en) * 1976-04-08 1982-04-10 C M C Gru Edilmac Spa AUTOMATIC ASSEMBLY OF TOWER STRUCTURE PARTICULARLY FOR ROAD TYPE TRUCKABLE CRANES

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105417408A (en) * 2015-12-21 2016-03-23 太原重工股份有限公司 Attached type folding arm crane and mounting method thereof
CN105417408B (en) * 2015-12-21 2017-05-10 太原重工股份有限公司 Attached type folding arm crane and mounting method thereof

Also Published As

Publication number Publication date
FR2143617A3 (en) 1973-02-09
FR2143617B3 (en) 1974-02-15

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee