IT1247274B - Self-erecting crane with ballast counter-arm - Google Patents
Self-erecting crane with ballast counter-armInfo
- Publication number
- IT1247274B IT1247274B ITMI910568A ITMI910568A IT1247274B IT 1247274 B IT1247274 B IT 1247274B IT MI910568 A ITMI910568 A IT MI910568A IT MI910568 A ITMI910568 A IT MI910568A IT 1247274 B IT1247274 B IT 1247274B
- Authority
- IT
- Italy
- Prior art keywords
- arm
- tower
- ballast
- counter
- self
- Prior art date
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)
- Load-Engaging Elements For Cranes (AREA)
Abstract
A self-erecting crane with ballast counter-arm of the type comprising a base above which a tower is supported, said tower being extensible in several portions, envisaging a rotating fifth wheel at the top of which a loading arm and a ballast counter-arm are constrained in articulation, there being flexible ties on at least portions of the loading arm and of the ballast counter- arm, in which the loading arm and the ballast counter-arm are hinged on a top plate of the rotating fifth wheel by elements controlling folding and unfolding from a flanked position parallel to the tower to a position perpendicular to the tower itself and vice versa. These controlling elements are preferably cylindrical. <IMAGE>
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI910568A IT1247274B (en) | 1991-03-05 | 1991-03-05 | Self-erecting crane with ballast counter-arm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI910568A IT1247274B (en) | 1991-03-05 | 1991-03-05 | Self-erecting crane with ballast counter-arm |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI910568A0 ITMI910568A0 (en) | 1991-03-05 |
ITMI910568A1 ITMI910568A1 (en) | 1992-09-05 |
IT1247274B true IT1247274B (en) | 1994-12-12 |
Family
ID=11358872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI910568A IT1247274B (en) | 1991-03-05 | 1991-03-05 | Self-erecting crane with ballast counter-arm |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1247274B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1225152A1 (en) * | 2001-01-23 | 2002-07-24 | San Marco International S.r.l. | Tower crane, self-assembling, with folding and telescoping tower, and foldable jib |
-
1991
- 1991-03-05 IT ITMI910568A patent/IT1247274B/en active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1225152A1 (en) * | 2001-01-23 | 2002-07-24 | San Marco International S.r.l. | Tower crane, self-assembling, with folding and telescoping tower, and foldable jib |
US6655539B2 (en) | 2001-01-23 | 2003-12-02 | San Marco International S.R.L. | Tower crane with composite structure, self-assembling, with folding and telescoping tower, and arm made up of several sections |
Also Published As
Publication number | Publication date |
---|---|
ITMI910568A1 (en) | 1992-09-05 |
ITMI910568A0 (en) | 1991-03-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |