GB788262A - Rotary tower crane - Google Patents
Rotary tower craneInfo
- Publication number
- GB788262A GB788262A GB34120/55A GB3412055A GB788262A GB 788262 A GB788262 A GB 788262A GB 34120/55 A GB34120/55 A GB 34120/55A GB 3412055 A GB3412055 A GB 3412055A GB 788262 A GB788262 A GB 788262A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tower
- jib
- crane
- nov
- luffing
- 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
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
- B66C23/342—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes with telescopic 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
- B66C23/344—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes adapted for transport purposes
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
788,262. Collapsible tower cranes. LIEBHERR, H. Nov. 29, 1955 [Nov. 30, 1954], No. 34120/55. Class 78 (4). The jib 6 of a slewing crane with a telescoping tower 4, 5 can be folded down against the tower and the tower and jib then lowered about a pivot 25 on a rail bogey 1 so that the tower serves as a towing connection permitting the crane to be transported by road when a wheeled road axle has been secured to the rail bogey 1. As illustrated, the jib 6 is in two parts 22, 23 folded about a hinge 24 before the jib is lowered against the tower. The upper portion 5 of the tower is raised relatively to the lower portion 4 by a cable 20 passing from pulleys 19, 18, 17 either to a winch 21 or to one of the winches used for the movements of the crane. Luffing and hoisting winches 8, 9 are provided and the luffing cable 15 passes over pulleys carried by hinged arms 11, 12. The jib 6 may telescope instead of folding.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE788262X | 1954-11-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB788262A true GB788262A (en) | 1957-12-23 |
Family
ID=6699429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB34120/55A Expired GB788262A (en) | 1954-11-30 | 1955-11-29 | Rotary tower crane |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB788262A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4453643A (en) * | 1978-05-31 | 1984-06-12 | Coles Cranes Limited | Cranes |
-
1955
- 1955-11-29 GB GB34120/55A patent/GB788262A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4453643A (en) * | 1978-05-31 | 1984-06-12 | Coles Cranes Limited | Cranes |
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