Hydraulic source device for manual accessory of excavator

Hydraulic source device for manual accessory of excavator

The utility model discloses an excavator manual accessory hydraulic source device which comprises a main pump (1), a monitor (16) and an engine ECU (17), the main pump (1) is connected with a main valve (3) through a pipeline, the main valve (3) comprises a main valve element (13), a pressure stop v...

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Hauptverfasser: LI CHUNCAI, MOU JIANQIANG, MENG FANLONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
DREDGING
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
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creator LI CHUNCAI
MOU JIANQIANG
MENG FANLONG
description The utility model discloses an excavator manual accessory hydraulic source device which comprises a main pump (1), a monitor (16) and an engine ECU (17), the main pump (1) is connected with a main valve (3) through a pipeline, the main valve (3) comprises a main valve element (13), a pressure stop valve element (14) and a main valve internal overflow valve (15), the main valve element (13) is connected with the pressure stop valve element (14) through a pipeline, and the main valve element (13) is connected with the pressure stop valve element (14) through a pipeline. A pressure stop valve core (14) is connected with a main valve internal overflow valve (15) through a pipeline, the pressure stop valve core (14) is connected with a pressure stop control valve (2) through a pipeline, the pressure stop control valve (2) is connected with a main pump (1) through a pipeline, and a main valve (3) is connected with an electromagnetic proportional overflow valve (4) through a pipeline. And hydraulic power is provided
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language chi ; eng
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subjects DREDGING
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
title Hydraulic source device for manual accessory of excavator
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