GB1282847A - Improvements in or relating to tower cranes - Google Patents
Improvements in or relating to tower cranesInfo
- Publication number
- GB1282847A GB1282847A GB2174871A GB2174871A GB1282847A GB 1282847 A GB1282847 A GB 1282847A GB 2174871 A GB2174871 A GB 2174871A GB 2174871 A GB2174871 A GB 2174871A GB 1282847 A GB1282847 A GB 1282847A
- Authority
- GB
- United Kingdom
- Prior art keywords
- jib
- tower
- counterweight
- strut
- relating
- 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
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/14—Trolley or crane travel drives
-
- 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
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
- B66C2700/0385—Cranes with trolleys movable along adjustable or slewable arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
- B66C2700/0392—Movement of the crane arm; Coupling of the crane arm with the counterweights; Safety devices for the movement of the arm
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
1282847 Tower crane RICHIER 19 April 1971 [13 Feb 1970] 21748/71 Heading B8B A tower crane comprises a load carriage jib 4 rigidly fixed to the upper part 2 of the tower, a counterweight jib 6 hingedly connected at 8 to the said upper part on which a counterweight 7 is movably mounted, ties 11, 14 connecting the jibs 4, 6 to the top 12 of a strut 9 which is hingedly mounted at 10 to the jib 4. In modifications, Figs. 2-5 (not shown), more than one tie extends from the carriage jib 4 to the strut 9. In further modifications, Figs. 6, 4 (not shown), the counterweight (71) is fixed relative to its jib (70), equilibrium being effected by movement of the jib in a vertical plane. The upper tower part 2 is rotatable on the lower tower section 1.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7005190A FR2077779B1 (en) | 1970-02-13 | 1970-02-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1282847A true GB1282847A (en) | 1972-07-26 |
Family
ID=9050609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2174871A Expired GB1282847A (en) | 1970-02-13 | 1971-04-19 | Improvements in or relating to tower cranes |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5111378B1 (en) |
CA (1) | CA922671A (en) |
DE (1) | DE2106291C3 (en) |
FR (1) | FR2077779B1 (en) |
GB (1) | GB1282847A (en) |
SE (1) | SE382963B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4168130A (en) * | 1977-04-22 | 1979-09-18 | Dr. Barth Kg | Apparatus for placing paving elements |
GB2433734A (en) * | 2005-12-30 | 2007-07-04 | David Schofield | Adjustable counterbalance system |
CN102992209A (en) * | 2012-12-20 | 2013-03-27 | 中联重科股份有限公司 | Balance weight of crane, crane and moment balancing method of crane |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2942317A1 (en) | 2014-05-08 | 2015-11-11 | Helmut Quirxtner | Crane |
CN116374858B (en) * | 2023-04-18 | 2023-10-03 | 江苏朗恩机械制造有限公司 | Balance weight balancing structure of crane |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE449603A (en) * | 1941-09-24 | |||
FR1298498A (en) * | 1961-06-02 | 1962-07-13 | Potain & Cie Ets F | Long-boom crane improvements |
FR1408597A (en) * | 1964-04-27 | 1965-08-13 | Crane with extendable boom, movable vertically and horizontally on the column | |
FR1413966A (en) * | 1964-08-27 | 1965-10-15 | Cantilever crane, fitted with a counterweight on a mobile arm, the position of which depends on the load to be lifted | |
US3250400A (en) * | 1964-10-26 | 1966-05-10 | Robert F Bennett | Rotary crane with split race bull wheel |
FR1455107A (en) * | 1965-05-07 | 1966-04-01 | Quick-erecting transportable tower crane |
-
1970
- 1970-02-13 FR FR7005190A patent/FR2077779B1/fr not_active Expired
-
1971
- 1971-02-10 DE DE19712106291 patent/DE2106291C3/en not_active Expired
- 1971-02-11 SE SE173971A patent/SE382963B/en unknown
- 1971-02-12 CA CA105309A patent/CA922671A/en not_active Expired
- 1971-02-13 JP JP642371A patent/JPS5111378B1/ja active Pending
- 1971-04-19 GB GB2174871A patent/GB1282847A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4168130A (en) * | 1977-04-22 | 1979-09-18 | Dr. Barth Kg | Apparatus for placing paving elements |
GB2433734A (en) * | 2005-12-30 | 2007-07-04 | David Schofield | Adjustable counterbalance system |
CN102992209A (en) * | 2012-12-20 | 2013-03-27 | 中联重科股份有限公司 | Balance weight of crane, crane and moment balancing method of crane |
Also Published As
Publication number | Publication date |
---|---|
DE2106291C3 (en) | 1975-12-11 |
DE2106291B2 (en) | 1975-04-17 |
DE2106291A1 (en) | 1972-01-13 |
FR2077779B1 (en) | 1974-09-20 |
SE382963B (en) | 1976-02-23 |
JPS5111378B1 (en) | 1976-04-10 |
FR2077779A1 (en) | 1971-11-05 |
CA922671A (en) | 1973-03-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |