Derrick head and derrick device

• Main Authors: SONG MINSHAN, WANG HAIBO, CHENG JINLIANG, TIAN WENMIN, TANG ZHIHAI, MA ZENGMAO, LIU JINGGUO
• Format: Patent
• Language: English
• Published: 01.04.2015
• Subjects: BUILDING; BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; FENCING; FIXED CONSTRUCTIONS; MASTS; SWIMMING OR SPLASH BATHS OR POOLS; TENTS OR CANOPIES, IN GENERAL

The utility model discloses a derrick head and a derrick device, and relates to the technical field of engineering machinery. The derrick head and the derrick device are used for solving the problem that when an iron tower component is hoisted, the eccentric force caused to a derrick is too large, and guaranteeing the stability and the construction safety of the whole derrick. According to the main technical scheme, the derrick head comprises a stand column and pulley block supporting frames, wherein the stand column is of a hollow structure and installed at the upper end of a derrick body, two opposite pass holes are formed in the outer wall of the stand column, the connecting line of the two pass holes penetrates through the center of the stand column and located on the horizontal surface same as the center of the stand column, the two pulley block supporting frames are installed on the parts, below the two pass holes, of the outer wall of the stand column, and pulley assembly installation portions are arranged at the tail ends of the pulley block supporting frames. The utility model further discloses the derrick device which comprises the derrick body and the derrick head, wherein the derrick head is arranged at the top end of the derrick body. The derrick head and the derrick device are mainly used for erecting high-voltage iron towers in power transmission line construction, and are good in stability and construction safety.