Novel weight is prevented bumping device

The utility model discloses a novel weight is prevented bumping device, including the wire rope assembly, the leading wheel assembly, the weight, spring hook, stop device, two -position three way directional control valve, gas circuit system and derrick, the leading wheel assembly sets up on the derrick, the top position that wire rope assembly one end set up at the derrick, and pass the leading wheel assembly and guide the rig floor into, the weight passes through spring hook and is connected with the wire rope assembly, stop device sets up the bottom at the weight, after one section distanceof wire rope assembly pulling weight rebound, the stop device effect, two -position three way directional control valve's handle and weight are connected, two -position three way directional controlvalve and gas circuit headtotail. The utility model discloses can use with electron collision device cooperation, at electron collision device during because of the accident stop work, because the utility model discloses reach