Invention Grant
US09534705B2 Method and portable apparatus for thrusting a pipe into and out of an earthen formation 有权
用于将管道推入和离开土层的方法和便携式设备

Method and portable apparatus for thrusting a pipe into and out of an earthen formation
Abstract:
A portable pipe thrusting apparatus for thrusting a pipe into and out of an earthen formation during a thrusting operation is disclosed. The portable pipe thrusting apparatus includes a collar configured to releasably grip the pipe, a support frame, at least one rear leg assembly coupled to a rear end of the support frame, and a bi-directional driver coupled to the collar and the support frame. The rear leg assembly is configured to move the rear end of the support frame between a lowered position and a raised position to align the pipe for the thrusting operation. The bi-directional driver is configured to drive the collar toward and away from the earthen formation to insert and remove the pipe from the earthen formation.
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