Earthing device is laid in burette area with adjustable

The utility model provides an earthing device is laid in burette area with adjustable, it relates to the agricultural machine field. It has solved the burette area, and to bury the effect relatively poor, and the burette area was buried deeply, and the problem of difficulty is retrieved to easy the jam. The utility model discloses a downthehole at the support column stationary blade is established on the upper portion of support column, and the lower extreme of support column is established on adjusting the connecting plate, and damping spring establishes on support column stationary blade and the surface of adjusting support column between the connecting plate, and the right -hand member of adjusting the connecting plate is equipped with the support casing, and establish in the support casing on the upper portion of covering plate support, and the left end warp beam of adjusting the connecting plate is continuous with the right side of furrow opener, and covering plate establishes in the outside of covering