Quick coupler circuit for construction equipment

A switch (15) is configured in such a manner that the switch operates with two options: a lock position for when an attachment is held and an unlock position for when an attachment is released. Further, a control device (16) receives an operation signal that is output when the switch (15) is moved t...

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Bibliographische Detailangaben
Hauptverfasser: TATSUMI KOTA, YOKOHATA SHINTARO
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:A switch (15) is configured in such a manner that the switch operates with two options: a lock position for when an attachment is held and an unlock position for when an attachment is released. Further, a control device (16) receives an operation signal that is output when the switch (15) is moved to the lock position or the unlock position and controls switching of a magnetic switching valve (13) so that the pressure in a hydraulic pump begins to increase and so that, after a set time has passed, the pressure in the hydraulic pump stops increasing.