GB8615620D0 - Boom assembly - Google Patents

Boom assembly

Info

Publication number
GB8615620D0
GB8615620D0 GB868615620A GB8615620A GB8615620D0 GB 8615620 D0 GB8615620 D0 GB 8615620D0 GB 868615620 A GB868615620 A GB 868615620A GB 8615620 A GB8615620 A GB 8615620A GB 8615620 D0 GB8615620 D0 GB 8615620D0
Authority
GB
United Kingdom
Prior art keywords
jib
boom
far end
auxiliary
actuator
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.)
Withdrawn
Application number
GB868615620A
Other versions
GB2191990A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LAHIKAINEN S
Original Assignee
LAHIKAINEN S
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to SE8602761A priority Critical patent/SE449882B/en
Application filed by LAHIKAINEN S filed Critical LAHIKAINEN S
Priority to GB08615620A priority patent/GB2191990A/en
Publication of GB8615620D0 publication Critical patent/GB8615620D0/en
Publication of GB2191990A publication Critical patent/GB2191990A/en
Withdrawn legal-status Critical Current

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
    • B66C23/62—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
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/58—Gripping members engaging only the external or internal surfaces of the articles and deforming the articles, e.g. by using gripping members such as tongs or grapples
    • B66C1/585—Log grapples
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/68—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles mounted on, or guided by, jibs
    • 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
    • B66C23/54—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 with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

A boom assembly, for a work machine, comprises a hoist boom (1) mountable at one end on the work machine, and a bending boom (3) pivotally attached to the far end of the hoist boom and moved by aid of an actuator (2). At the far end of the bending boom (3) there is pivotally attached a jib (4), and at the far end of the jib there is pivotally attached an auxiliary jib (5), at the far end of which auxiliary jib (5) there can be installed, by means of conventional technique, various prior art working devices such as a log grab (6). To the bending boom (3) and the jib (4) there is pivotally connected an actuator (7) in order to move the jib with respect to the bending boom. To the jib (4) and the auxiliary jib (5) there is pivotally connected an actuator (8) in order to move the auxiliary jib with respect to the jib. A ground-engaging supporting means, shown as a plate (10) attached to part (9) of the jib (4), secures the jib (4) firmly against the ground, even if the ground is soft. Alternatively a support leg may be used. <IMAGE>
GB08615620A 1986-06-26 1986-06-26 Boom assembly for a work machine Withdrawn GB2191990A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE8602761A SE449882B (en) 1986-06-26 1986-06-23 TREE STRUCTURE FOR A WORKING MACHINE
GB08615620A GB2191990A (en) 1986-06-26 1986-06-26 Boom assembly for a work machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08615620A GB2191990A (en) 1986-06-26 1986-06-26 Boom assembly for a work machine

Publications (2)

Publication Number Publication Date
GB8615620D0 true GB8615620D0 (en) 1986-07-30
GB2191990A GB2191990A (en) 1987-12-31

Family

ID=10600137

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08615620A Withdrawn GB2191990A (en) 1986-06-26 1986-06-26 Boom assembly for a work machine

Country Status (2)

Country Link
GB (1) GB2191990A (en)
SE (1) SE449882B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4301513A1 (en) * 1992-10-22 1994-07-28 Karl Heitzler Apparatus for lifting plants by the individual root balls
NO301134B1 (en) * 1995-08-25 1997-09-15 Knut O Dalland Multi-joint work boom for a work machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2033871B (en) * 1978-10-17 1983-01-19 Liner Ltd Lifting trucks
US4290731A (en) * 1979-03-26 1981-09-22 Griffith John A Apparatus for picking up overturned vehicles
EP0082377A1 (en) * 1981-12-04 1983-06-29 Fmc Corporation Extendable support for telescoping boom
GB2160497A (en) * 1984-06-19 1985-12-24 Gen Mining Union Corp Overhead loader

Also Published As

Publication number Publication date
SE449882B (en) 1987-05-25
GB2191990A (en) 1987-12-31
SE8602761D0 (en) 1986-06-23

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)