Down --hole drill

• Main Authors: HE DESHENG, YANG XIANGLONG, MA SHIDONG, YANG RIPING, ZHAO YU
• Format: Patent
• Language: Chinese; English
• Published: 21.09.2018
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The utility model discloses a down - -hole drill, including actuating mechanism, impacter, unit head and drilling rod, the unit head is installed the one end of drilling rod, the impacter is installedthe other end of drilling rod, actuating mechanism is used for the drive the unit head makes the drilling rod drives impacter linear motion the unit head with still be provided with buffer gear between the drilling rod, buffer gear includes director element and buffer element, buffer element is used for slowing down the drilling rod is right the impact force of unit head, the director element isused for the buffer element during operation is right the drilling rod leads. The utility model provides a down - -hole drill can play the effect of damping and protection to the unit head. 本实用新型公开了种潜孔钻机，包括驱动机构、冲击器、动力头以及钻杆，所述动力头安装在所述钻杆的端，所述冲击器安装在所述钻杆的另端，所述驱动机构用于驱动所述动力头，使得所述钻杆带动所述冲击器直线运动，在所述动力头与所述钻杆之间还设置有缓冲机构；所述缓冲机构包括导向元件和缓冲元件，所述缓冲元件用于减缓所述钻杆对所述动力头的冲击力，所述导向元件用于在所述缓冲元件工作时对所述钻杆进行导向。本实用新型提供的潜孔钻机，能对动力头起到减振和保护的作用。