Pushing sitting device

A pushing sitting device for oil exploration and sample taking, comprises:

• a main base, on a side surface of which at least one set of pushing arms are provided;
• each set of pushing arms include a bi-parallelogram that contains a first parallelogram structure and a second parallelogram structure;
• the first parallelogram structure includes a front arm, a detector assembly, an assisting arm and the main base, and
• wherein the front arm is connected to the detector assembly and the main base respectively via joint pins at two ends, while the assisting arm is connected to the detector assembly and the main base respectively via rotating shafts at two ends;
• the second parallelogram structure is constituted by a rear arm, the detector assembly, a nonporous assisting arm and the main base, the said components are connected to each other by a connecting shaft.