GB1130242A - Improvements in or relating to mobile cranes - Google Patents
Improvements in or relating to mobile cranesInfo
- Publication number
- GB1130242A GB1130242A GB1146767A GB1146767A GB1130242A GB 1130242 A GB1130242 A GB 1130242A GB 1146767 A GB1146767 A GB 1146767A GB 1146767 A GB1146767 A GB 1146767A GB 1130242 A GB1130242 A GB 1130242A
- Authority
- GB
- United Kingdom
- Prior art keywords
- boom
- support
- jib
- winch
- sleeve
- 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
- B66C23/36—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 mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
-
- 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
- B66C2700/0321—Travelling cranes
- B66C2700/0357—Cranes on road or off-road vehicles, on trailers or towed vehicles; Cranes on wheels or crane-trucks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
1,130,242. Jib cranes. L. R. ANDERSSON. 10 March, 1967 [11 March, 1966], No. 11467/67. Heading B8B. A mobile crane comprises a chassis 10, Fig. 1, on which a boom support 11 is mounted for rotation about a vertical axis 12, the support having a counterweight 13, a hoist winch and a boom winch and carrying a boom 14 which is movable to a substantially horizontal transport position as shown in Fig. 1, in which position the boom is longitudinally slideably supported on the support 11. The boom 14 is telescopically extensible and is slideably supported in a sleeve 15 which is pivoted to the support 11 on a horizontal axis 16 and is connected to one or more mechanical or hydraulic struts 17. A front support 18 may be provided for further supporting the boom 14. The latter is releasably locked to the sleeve 15 in both its working and transport positions by locking means such as a pin 19. When the boom is to be moved to its working position pivotable ground-engaging jacks 20; 21 are swung out and adjusted. The pin 19 is then disengaged and the boom 14 is displaced forwardly by the hoist winch, the hoist cable 22 being temporarily led round an idler pulley 23. The pin 19 is then used to lock the boom 14 in its working position and the latter is raised by the boom winch, the cable 24 of which. is attached to a rear stay cable 25; Fig. 4. In a second embodiment, Figs. 2a, 2b (not shown), a jib is releasably connected to the boom 14 so that the jib can be moved with the boom. The jib is then pivotally or fixedly connected to the free end of the boom. The sleeve 15 may be formed as a framework. The boom 14 may be pivotally connected by pins to the support 11, the pins being: adapted to engage guides on the support 11 for guiding the boom. during its sliding movement. Or the boom and the boom support may have interengaging guides for guiding the boom.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE326666 | 1966-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1130242A true GB1130242A (en) | 1968-10-09 |
Family
ID=20261742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1146767A Expired GB1130242A (en) | 1966-03-11 | 1967-03-10 | Improvements in or relating to mobile cranes |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1481733A1 (en) |
| FR (1) | FR1513982A (en) |
| GB (1) | GB1130242A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3622013A (en) * | 1969-04-29 | 1971-11-23 | Case Co J I | Extensible boom structure |
| US4047618A (en) * | 1975-09-18 | 1977-09-13 | J. I. Case Company | Crane construction and method of operation |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3987594A (en) * | 1975-02-06 | 1976-10-26 | Clark Equipment Company | System and method for automatic unstowing and stowing of a crane boom |
| CN108502734B (en) * | 2018-04-25 | 2023-05-02 | 宁波城市职业技术学院 | Crane with gravity center adjusting device and adjusting method thereof |
| CN109553008B (en) * | 2018-12-07 | 2020-03-17 | 中联重科股份有限公司 | Hoisting equipment and hoisting assembly |
| CN114069469B (en) * | 2021-11-16 | 2023-07-14 | 国网湖北省电力有限公司咸宁供电公司 | Vehicle-mounted movable integrated spanning frame and application method thereof |
-
1967
- 1967-03-10 GB GB1146767A patent/GB1130242A/en not_active Expired
- 1967-03-10 DE DE19671481733 patent/DE1481733A1/en active Pending
- 1967-03-13 FR FR98461A patent/FR1513982A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3622013A (en) * | 1969-04-29 | 1971-11-23 | Case Co J I | Extensible boom structure |
| US4047618A (en) * | 1975-09-18 | 1977-09-13 | J. I. Case Company | Crane construction and method of operation |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1481733A1 (en) | 1969-06-26 |
| FR1513982A (en) | 1968-02-16 |
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