초록 ▼

A land irrigation system is illustrated in which an elongated sprinkler line continuously travels in a direction transverse to its length along the length dimension of a stationary water main and is continuously supplied with water from upstanding hydrants spaced along the length of the water main.

A land irrigation system is illustrated in which an elongated sprinkler line continuously travels in a direction transverse to its length along the length dimension of a stationary water main and is continuously supplied with water from upstanding hydrants spaced along the length of the water main. Driven tractor means moves along the water main at substantially the same rate as the sprinkler line and supports one end of each of a pair of elongated water carrying pipe connector devices which extend outwardly from the tractor in generally opposite directions for automatic connection to and disconnection from successive hydrants along the main, the tractor supported ends being mounted for movement relative to one another on the tractor support to permit continuous movement of the tractor along the water main and intermittent, independent movement of the respective water carrying connecting pipes. Separate drive means are provided for the respective water carrying connecting pipes.

대표청구항 ▼

For use in connection with a land irrigation system including an elongated water main having a plurality of outlet valves located in hydrants projecting upwardly from the main at substantially equally spaced points along its length and an elongated water sprinkler line extending laterally to and mov

For use in connection with a land irrigation system including an elongated water main having a plurality of outlet valves located in hydrants projecting upwardly from the main at substantially equally spaced points along its length and an elongated water sprinkler line extending laterally to and movable along the length dimension of the water main, an apparatus for successively connecting the outlet valves to the sprinkler line comprising, tractor means for moving along the length dimension of the water main at a rate substantially equal to the rate of movement of the sprinkler line, elongated track means mounted on the tractor means and extending in the direction of movement of the tractor means, a pair of elongated water pipe means each having an inner end, support means mounting the inner ends of the water pipe means on the track means for limited free movement therealong, the respective water pipe means extending outwardly from the tractor means in generally opposite directions generally parallel to the direction of movement of the tractor means and each terminating in an outer end portion having coupling means thereon, each said coupling means including means for connecting the coupling means to an outlet valve to supply water under pressure to the water pipe means associated therewith and for disconnecting the coupling means from the outlet valve, movable conduit means connecting the inner end of each said water pipe means with the sprinkler line to provide a water flow path therebetween, carriage means including ground engaging wheel means supporting the outer end portion of each water pipe means, and drive means for independently moving each carriage means and the water pipe means supported thereon longitudinally of the track means and of the water main to successively engage each coupling means with each outlet valve.