Self-adaptive bolt fastening head

• Main Authors: WANG SHENGHE, LIU JUN, GONG ZHIWEN, WANG PENG, ZHANG TIANZHONG, ZHANG JINFENG, LIU CHENGZHI, YU GANG, CHENG HUALONG, SUN LEI, XI ZHAOCAI, HUANG JIE, ZHANG BIYU, HUI JINHUA, XU XIUHUA, SUN MINGGANG, LUO YIHUA, WANG DAOJING, LI KAI, CHEN JIANHUA, MA LUYAO, UMEICHI, CHENG ZHIYU, KIM EUI, YANG SHAOCHUN, GUAN SHAOFENG
• Format: Patent
• Language: Chinese; English
• Published: 28.04.2023
• Subjects: HAND TOOLS; MANIPULATORS; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING; TRANSPORTING

The invention discloses a self-adaptive bolt fastening head which comprises a fastening motor, a fastening rod is arranged on an output shaft of the fastening motor, a fastening sleeve is coaxially installed on the fastening rod, a clamping arm is hinged to the fastening sleeve, the first end of the clamping arm faces an opening of the fastening sleeve, and the self-adaptive bolt fastening head further comprises a clamping arm sleeve arranged on the outer side of the fastening sleeve. When the fastening sleeve axially moves towards the interior of the clamping arm sleeve, the clamping arm sleeve can press the outer side of the clamping arm to enable the first end of the clamping arm to swing towards the inner side, and when the fastening sleeve axially moves towards the exterior of the clamping arm sleeve, the first end of the clamping arm swings towards the outer side. The bolt retightening device has the advantages that the bolt retightening device can adapt to retightening operation of bolts of different s