Well drilling dead line bogie lengthening device

• Main Authors: MAO YIJIAN, TIAN XIANGZHONG, TAN WENQUAN, ZHANG CHENGJUN, CHEN GUANGJUN, LI JIANJUN, QIN TAO, WU YU, HUANG ZHAOWEN
• Format: Patent
• Language: Chinese; English
• Published: 20.12.2022
• 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 drilling deadline bogie lengthening device which comprises a first bogie connecting piece, the left end of the first bogie connecting piece is fixedly connected with a second bogie and a first fixing plate, the first fixing plate is fixedly connected with a second fixing plate through a first pin shaft and a first nut, and the first nut is in threaded connection with the first pin shaft. A second pin shaft is fixedly connected to the interior of the second fixing plate, a pulley is rotatably connected to the circumferential surface of the second pin shaft, a power device is fixedly connected to the lower end of the second bogie, and a lengthening device is slidably connected to the interior of the second bogie. The length adjusting device is simple in structure, and the purpose of adjusting the length of the bogie can be achieved only through simple operation. 本实用新型公开了一种钻井死绳转向架加长装置，包括第一转向架连接件，第一转向架连接件的左端固定连接有第二转向架和第一固定板，第一固定板通过第一销轴和第一螺帽固定连接有第二固定板，第一螺帽与第一销轴之间螺纹连接，第二固定板的内部固定连接有第二销轴