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Well pipe extraction apparatus

机译:井管抽排装置

摘要

A well pipe extraction apparatus for removing a groundwater monitoring well consisting of PVC pipe from the ground. The well pipe extraction apparatus includes a wire rope, a soft eye formed at an upper end of the wire rope and knurled brass rod attached to the opposite end of the wire rope. The knurled brass rod is lowered to the bottom end of the well casing. An operator pours sand particles down the well casing. The sand particles wedge in-between groves within the brass rod and the interior surface of the well casing locking brass rod to the well casing which allows the operator to extract the PVC pipe from the ground.
机译:一种从地下去除由PVC管组成的地下水监测井的井管抽取装置。井管抽出装置包括:钢丝绳;在钢丝绳的上端形成的软眼;以及附接到钢丝绳的相对端的压花黄铜棒。滚花黄铜棒下降到井筒的底端。操作员将砂粒倒入井筒。沙粒楔入黄铜棒内的凹槽之间,并且井套的内表面将黄铜棒锁定到井套,这使操作员可以从地面抽出PVC管。

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