Hydraulic drill bit

• Main Authors: LAN SHIZHONG, YIN WEICHAO, XU JINPENG, WEN SEN
• Format: Patent
• Language: Chinese; English
• Published: 16.08.2022
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The utility model provides a hydraulic drill bit which comprises a drill bit body, one end of the drill bit body is provided with an insertion hole connected with a drill rod of a pile driver, the other end of the drill bit body is provided with a mud inlet hole, the mud inlet hole extends towards one end of the insertion hole to form a mud storage cavity, and one side, close to the insertion hole, in the mud storage cavity is provided with a mud pressing structure. The mud pressing structure is used for pressing the mud in the mud storage cavity out of the mud inlet hole; the mud discharging device has the advantages that mud in the mud storage cavity can be rapidly discharged from the mud inlet holes, a traditional shaking mode is changed, and too large noise is avoided. 本实用新型提供一种液压钻头，包括钻头主体，所述钻头主体的一端设有与打桩机钻杆连接的插孔，所述钻头主体的另一端设有进泥孔，所述进泥孔向插孔一端延伸形成储泥腔，所述储泥腔内靠近插孔的一侧设有压泥结构，所述压泥结构用于将储泥腔内的泥土压至进泥孔外；本实用新型的优点在于能够快速的将储泥腔内的泥土从进泥孔排出，改变传统抖动的方式，避免噪音过大。