Water injection well impulse generator high pressure constructs from compensator

The utility model provides a water injection well impulse generator high pressure constructs from compensator, including cavity, midbody, the shutoff body, the cavity is the sealed oil pocket body, the midbody is cavity driving spindle, the shutoff body is floating piston, for sealed oil pocket in the cavity of the sealed oil pocket body, cavity driving spindle sets up at the center piston chamber, installs floating piston in the piston chamber, cavity driving spindle radially sets up pressure self compensating passageway, pressure self compensating passageway one end intercommunication pistonchamber, the sealed oil pocket of other end intercommunication, pressure self compensating channel diameter is less than piston chamber diameter. The utility model discloses in drive system working procedure, carry out pressure compensation through hydraulic oil cavity's volume self -adaptation, improve the one -way pressure -bearing stress of sealing member, balanced environment fluidic impact force can lubricate parts