Hydraulic puller assist device

• Main Authors: WANG XIAOJUN, WEI DAIWEI, CHEN ENQIANG, SONG SHIQIANG, LU SHICUN, LIU HAIFENG
• Format: Patent
• Language: Chinese; English
• Published: 03.01.2023
• 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 utility model discloses a hydraulic puller assist device which comprises a fixing base, a hydraulic jack is installed in the fixing base, at least three supporting lugs are evenly installed on the outer wall of the fixing base in the circumferential direction, a connecting limiting assembly is installed at the outer end of each supporting lug, and a grabbing arm is installed at the end of each connecting limiting assembly. The middle of the grabbing arm is hinged to the connecting limiting assembly, one end of the grabbing arm is provided with an inner grabbing hook extending inwards, and the other end of the grabbing arm is provided with an outer grabbing hook extending outwards. When in use, the jack can be placed in the fixed seat, a hydraulic hose of the jack is connected to the electric hydraulic pump station, a to-be-detached part is hooked by the inner grabbing hook or the outer grabbing hook of the grabbing arm, the electric hydraulic pump station is started, pressure is slowly increased, and the