Hydraulic breaking hammer capable of automatically adjusting stroke

The utility model relates to a hydraulic breaking hammer capable of automatically adjusting stroke, which comprises an upper shell, a cylinder body, a lower shell and a reversing valve, a piston is arranged in the cylinder body, a drill rod is arranged in the lower shell, the drill rod is arranged b...

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Bibliographic Details
Main Authors FU YIWEN, ZHAO WEILE, SONG OU, MA XIAOLIN
Format Patent
LanguageChinese
English
Published 18.12.2020
Subjects
DREDGING
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
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Summary:The utility model relates to a hydraulic breaking hammer capable of automatically adjusting stroke, which comprises an upper shell, a cylinder body, a lower shell and a reversing valve, a piston is arranged in the cylinder body, a drill rod is arranged in the lower shell, the drill rod is arranged below the piston, and the piston can drive the drill rod to move downwards; the device is characterized by further comprising a stroke control valve, and the stroke control valve 6 and the reversing valve 7 act together to achieve automatic switching of the long and short impact strokes of the piston. The stroke control valve is additionally arranged to automatically adjust the stroke of the hydraulic breaking hammer, the proper stroke can be directly switched according to the actual hardness ofa broken object, and the breaking efficiency and quality of the breaking hammer are improved. 本实用新型涉及一种自动调节行程的液压破碎锤，包括上壳体、缸体、下壳体和换向阀，所述缸体内设有活塞，所述下壳体内设有钎杆，所述钎杆设于所述活塞的下方，所述活塞能够带动所述钎杆向下移动；其特征在于，还包括行程控制阀，所述行程控制阀6和换向阀7共同作用实现所述活塞长短
Bibliography:Application Number: CN202020707036U