Drill rod bracket of a horizontal directional driller

• Main Authors: ZHANG ZHONGHAI, LI GENYING, DU WENYANG, ZHAO GUOCHEN, CHANG RENQI, GUO HUANHUAN, LIU SHUN, TAN YINGLIN
• Format: Patent
• Language: Chinese; English
• Published: 09.03.2011
• 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 relates to a drill rod bracket of a horizontal directional driller, belonging to the drill rod bracket, comprising an axle sleeve, a fixation axle 1, a pressure plate, an oil cylinder, a pin axle, a bearing, a steel pipe, a rotation rack, a fixation axle 2, a retainer, a bearing and a roller, wherein the fixation axle 1 is connected with one end of the oil cylinder, the axle sleeve is arranged on the fixation axle 2 at the two sides of the oil cylinder, another end of the oil cylinder is connected with the rotation rack by the pin axle, the rotation rack is in the bend shape and the fixation axle 2 is arranged at the inflection point of the bend and connected with the rotation rack by the bearing, the steel pipe is arranged on the fixation axle in the middle of the rotation rack, the pin axle is arranged at another end of the rotation rack, retainers are arranged at the two ends of the pin axle, the pin axle is connected with the rotation rack by the bearing and the roller is arranged on the