Center-of-gravity movable snail pull catcher

The utility model relates to a centre-of-gravity movable snail pull catcher which comprises a bamboo pole, a centre-of-gravity moving mechanism is arranged on the surface of the bamboo pole, the centre-of-gravity moving mechanism comprises two supporting blocks which are fixedly installed on the surface of the bamboo pole, a linear groove is formed in the surface of each supporting block, a pulley is rotatably installed in each linear groove, and the center-of-gravity movable snail pull catcher is arranged on the surface of the bamboo pole. The surfaces of the two pulleys are sleeved with rope loops, metal sleeves are fixedly installed on the surfaces of the rope loops, connecting rods are fixedly installed on the surfaces of the metal sleeves, the surfaces of the bamboo poles are sleeved with sliding barrels, and balancing weights are fixedly installed on the surfaces of the sliding barrels. According to the snail pulling-catching device with the movable gravity center, the supporting block and the sliding b