CA922671A - Tower cranes - Google Patents
Tower cranesInfo
- Publication number
- CA922671A CA922671A CA105309A CA105309A CA922671A CA 922671 A CA922671 A CA 922671A CA 105309 A CA105309 A CA 105309A CA 105309 A CA105309 A CA 105309A CA 922671 A CA922671 A CA 922671A
- Authority
- CA
- Canada
- Prior art keywords
- tower cranes
- cranes
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7005190A FR2077779B1 (de) | 1970-02-13 | 1970-02-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA922671A true CA922671A (en) | 1973-03-13 |
Family
ID=9050609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA105309A Expired CA922671A (en) | 1970-02-13 | 1971-02-12 | Tower cranes |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5111378B1 (de) |
CA (1) | CA922671A (de) |
DE (1) | DE2106291C3 (de) |
FR (1) | FR2077779B1 (de) |
GB (1) | GB1282847A (de) |
SE (1) | SE382963B (de) |
Families Citing this family (5)
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 |
CN102992209B (zh) * | 2012-12-20 | 2014-12-03 | 中联重科股份有限公司 | 起重机的平衡重、起重机和起重机的力矩平衡方法 |
EP2942317A1 (de) | 2014-05-08 | 2015-11-11 | Helmut Quirxtner | Kran |
CN116374858B (zh) * | 2023-04-18 | 2023-10-03 | 江苏朗恩机械制造有限公司 | 一种起重机配重平衡结构 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE449603A (de) * | 1941-09-24 | |||
FR1298498A (fr) * | 1961-06-02 | 1962-07-13 | Potain & Cie Ets F | Perfectionnements aux grues à grandes flèches |
FR1408597A (fr) * | 1964-04-27 | 1965-08-13 | Grue avec flèche extensible, mobile verticalement et horizontalement sur le fût | |
FR1413966A (fr) * | 1964-08-27 | 1965-10-15 | Grue à bras en porte-à-faux, munie d'un contrepoids sur bras mobile dont la position est fonction de la charge à soulever | |
US3250400A (en) * | 1964-10-26 | 1966-05-10 | Robert F Bennett | Rotary crane with split race bull wheel |
FR1455107A (fr) * | 1965-05-07 | 1966-04-01 | Grue à tour transportable à montage rapide |
-
1970
- 1970-02-13 FR FR7005190A patent/FR2077779B1/fr not_active Expired
-
1971
- 1971-02-10 DE DE19712106291 patent/DE2106291C3/de not_active Expired
- 1971-02-11 SE SE173971A patent/SE382963B/xx 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
Also Published As
Publication number | Publication date |
---|---|
DE2106291C3 (de) | 1975-12-11 |
DE2106291B2 (de) | 1975-04-17 |
DE2106291A1 (de) | 1972-01-13 |
GB1282847A (en) | 1972-07-26 |
FR2077779B1 (de) | 1974-09-20 |
SE382963B (sv) | 1976-02-23 |
JPS5111378B1 (de) | 1976-04-10 |
FR2077779A1 (de) | 1971-11-05 |
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