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Attachment coupler for heavy machinery
Disclosed is an attachment coupler for heavy machinery, for detachably mounting an attachment for heavy machinery on an arm of heavy machinery. A coupler body is coupled to the arm of the heavy machinery. A fixing hook is formed on the coupler body, and a first coupling pin of the attachment is inserted therein and coupled thereto. A moving hook is pivotably coupled to a hinge shaft on the coupler body, and a second coupling pin of the attachment is inserted therein and coupled thereto. A hydraulic cylinder pivots the moving hook from being coupled to or disengaged from the second coupling pin. A locking device, for locking and preventing the disengagement of the first coupling pin from the fixing hook when the moving hook is coupled to the second coupling pin, includes: a locking hook pivotably coupled to the hinge shaft on the coupler body, and configured to block an entrance of the fixing hook when coupled to the first coupling pin; and a link mechanism for, interlockingly with the pivoting of the moving hook, coupling or disengaging the locking hook to/from the first coupling pin.
Attachment coupler for heavy machinery
Disclosed is an attachment coupler for heavy machinery, for detachably mounting an attachment for heavy machinery on an arm of heavy machinery. A coupler body is coupled to the arm of the heavy machinery. A fixing hook is formed on the coupler body, and a first coupling pin of the attachment is inserted therein and coupled thereto. A moving hook is pivotably coupled to a hinge shaft on the coupler body, and a second coupling pin of the attachment is inserted therein and coupled thereto. A hydraulic cylinder pivots the moving hook from being coupled to or disengaged from the second coupling pin. A locking device, for locking and preventing the disengagement of the first coupling pin from the fixing hook when the moving hook is coupled to the second coupling pin, includes: a locking hook pivotably coupled to the hinge shaft on the coupler body, and configured to block an entrance of the fixing hook when coupled to the first coupling pin; and a link mechanism for, interlockingly with the pivoting of the moving hook, coupling or disengaging the locking hook to/from the first coupling pin.
Attachment coupler for heavy machinery
LIM JONG-HYUK (Autor:in) / PARK JONG-HO (Autor:in) / JEON SEONG-TAE (Autor:in)
07.05.2015
Patent
Elektronische Ressource
Englisch
IPC:
E02F
Baggern
,
DREDGING