Open-mouth piston-type thin-walled soil sampling device

Open-mouth piston-type thin-walled soil sampling device

  • CN 2,150,241 Y
  • Filed: 04/07/1993
  • Issued: 12/22/1993
  • Est. Priority Date: 04/07/1993
  • Status: Active Grant
First Claim
Patent Images

1. , open-end piston type thin shell soil sampler, comprise soil sampler head (3), the one end has the hollow shape piston rod (2) of piston (4), form surplus soil tube (6) and the soil sample tube (9) that screw fit connects by adapter sleeve (8), the other end of piston rod (2) links to each other with drilling rod by joint (1), one end of soil sampler head (3) and piston rod (2) form sliding-contact, its other end can form the tightness sliding-contact with piston (4), meanwhile, the other end of this end and surplus soil tube (6) forms assembling and is connected, in addition, on soil sample tube (9) and a end that surplus soil tube (6) is connected, be formed for the joint construction of transfer function power, it is characterized in that by on the above-mentioned connection end of soil sample tube (9), forming the flanged end that outwards is 90 °

  • of bendings, by adapter sleeve (8), make surplus soil tube (6) link and and the corresponding end-faces of adapter sleeve, respectively with each end face of this flanged end of soil sample tube near.

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