GB1359795A - Jib truck and pulley arrangement for cranes - Google Patents
Jib truck and pulley arrangement for cranesInfo
- Publication number
- GB1359795A GB1359795A GB3510372A GB3510372A GB1359795A GB 1359795 A GB1359795 A GB 1359795A GB 3510372 A GB3510372 A GB 3510372A GB 3510372 A GB3510372 A GB 3510372A GB 1359795 A GB1359795 A GB 1359795A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pulley
- truck
- block
- jib
- trucks
- 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
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
- B66D3/043—Block and tackle system with variable number of cable parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/01—General aspects of mobile cranes, overhead travelling cranes, gantry cranes, loading bridges, cranes for building ships on slipways, cranes for foundries or cranes for public works
- B66C2700/012—Trolleys or runways
- B66C2700/017—Installations characterised by their destination or by the load-engaging element for as far as the trolley is essential
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
1359795 Truck and pulley arrangements for jib cranes POTAIN 26 July 1972 [26 July 1971] 35103/72 Heading B8B A jib truck and pulley-block arrangement comprises a front truck 5 and a rear truck 4 running on jib track 3. A rear lower pulleyblock 6 is suspended from the rear truck 4 and a front lower pulley-block 7 is suspended from the front truck 5. The front truck 5 is attached at 28 to a truck cable 29 and, with the two trucks 4, 5 latched together as shown they move as a unit. A load cable 8 passes from the rear of the jib over, in succession, front pulley 9 on truck 4, pulley 10 on pulley-block 6, rear pulley 11 on truck 4, front pulley 12 on truck 5, pulleys 13, 14 on pulley-block 7 and rear pulley 15 on truck 5 to be secured to the head of the jib (not shown). A load hook 36 is suspended on a lever 33 pivoted at 34 on the pulley-block 7 and shown hooked on to the block 6 at 39. In this arrangement there is a double tackle between the jib and the load hook 36. The trucks 4, 5 may be separated and the truck 4 latched to the jib adjacent its rear end, (Fig. 1, not shown), with the lever 33 disengaged from the pulley-block 6, Fig. 6 (not shown), this arrangement providing a single tackle between jib and load hook 36. The coupling and uncoupling of the trucks 4, 5 is arranged to be carried out by use of the load cable 8 after the trucks have been correctly positioned by the cable 29. Loads of great length may be handled in a modification illustrated in Fig. 8 (not shown) wherein the trucks 4, 5 are spaced by crosspieces (48), a lifting hook (46) on pulley block 6 and the lifting hook 36 on pulley block 7 being interconnected by a swing-bar (49).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7128323A FR2147005B1 (en) | 1971-07-26 | 1971-07-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1359795A true GB1359795A (en) | 1974-07-10 |
Family
ID=9081347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3510372A Expired GB1359795A (en) | 1971-07-26 | 1972-07-26 | Jib truck and pulley arrangement for cranes |
Country Status (6)
Country | Link |
---|---|
DE (1) | DE2236320C3 (en) |
DK (1) | DK132934C (en) |
ES (1) | ES405101A1 (en) |
FR (1) | FR2147005B1 (en) |
GB (1) | GB1359795A (en) |
IT (1) | IT963392B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108203061A (en) * | 2018-03-19 | 2018-06-26 | 丁可 | A kind of embedded rollers group |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3061163B1 (en) | 2016-12-23 | 2019-05-24 | Manitowoc Crane Group France | LIFTING CRANE COMPRISING A DOUBLE MOLDING LIFTING DEVICE |
FR3061164B1 (en) * | 2016-12-23 | 2019-05-24 | Manitowoc Crane Group France | LIFTING CRANE COMPRISING A DOUBLE MOLDING LIFTING DEVICE |
-
1971
- 1971-07-26 FR FR7128323A patent/FR2147005B1/fr not_active Expired
-
1972
- 1972-07-22 ES ES405101A patent/ES405101A1/en not_active Expired
- 1972-07-25 DE DE19722236320 patent/DE2236320C3/en not_active Expired
- 1972-07-25 DK DK368272A patent/DK132934C/en not_active IP Right Cessation
- 1972-07-26 IT IT2745472A patent/IT963392B/en active
- 1972-07-26 GB GB3510372A patent/GB1359795A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108203061A (en) * | 2018-03-19 | 2018-06-26 | 丁可 | A kind of embedded rollers group |
Also Published As
Publication number | Publication date |
---|---|
ES405101A1 (en) | 1975-07-16 |
FR2147005B1 (en) | 1976-02-13 |
IT963392B (en) | 1974-01-10 |
DE2236320A1 (en) | 1973-02-01 |
DK132934C (en) | 1976-08-02 |
DK132934B (en) | 1976-03-01 |
DE2236320B2 (en) | 1978-04-27 |
DE2236320C3 (en) | 1978-12-21 |
FR2147005A1 (en) | 1973-03-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |