Improvement in the devices used to push the piles in the ground.

摘要

The present invention relates to devices used to drive piles into the ground, commonly known as "pile drivers". This device includes suitable action means which strike the head of the pile. According to the invention, it is provided, secured to the vertical post 4a, 4b of the supporting structure, with guide means 5 acting on the body of the pile 6. These guide means consist of two lateral arms 11 forming a gripper, each one articulated on a vertical pin. These arms 11 are connected together by a connecting rod 14 and manoeuvred by a hydraulic thrust cylinder 13. IMAGE