Portable bolt dismounting tool for maintenance of coal mining equipment

The utility model discloses a portable bolt dismounting tool for coal mine equipment maintenance, which relates to the technical field of coal mine equipment maintenance and comprises a fixed disc, and a mounting sleeve is fixedly mounted at the lower end of the fixed disc. According to the portable bolt dismounting tool for maintenance of the coal mine equipment, by arranging the connecting rod, the ground gripping base, the nail base and the like, when the portable bolt dismounting tool is used, bolt caps of different sizes can be mounted through the mounting sleeve and the connecting joint at the upper end and the lower end of the fixing disc to adapt to bolts of different sizes, then the fixing disc is driven by the handle to rotate, and the bolts are dismounted; meanwhile, through movable connection of the adjusting rod and the movable sleeve, the position of the connector can be adjusted, the adjusting rod is limited by clamping the adjusting piece and the limiting holes in different positions, and comp