Title:
ADJUSTMENT STRUCTURE FOR USE IN AGRICULTURAL MACHINERY WATER WELL DRILLING RIG
Document Type and Number:
WIPO Patent Application WO/2021/243537
Kind Code:
A1
Abstract:
Disclosed in the present invention is an adjustment structure for use in an agricultural machinery water well drilling rig, comprising a base, two fixed blocks being arranged symmetrically inside the base, two moving plates being arranged symmetrically above the fixed blocks inside the base, a bracket being arranged above the base, and a support rod being arranged on the left and right sides of the bracket above the two moving plates. The adjustment structure for use in an agricultural machinery water well drilling rig set forth in the present invention can increase the contact area between a water well drilling rig and the ground by means of the arrangement of expandable and retractable moving plates; can increase the stability of the bracket by means of the arrangement of rotatable support rods; can secure the upper end of the support rods by means of the arrangement of stopping blocks at the two ends of the bracket; can facilitate storage of the moving plates by means of the arrangement of storing grooves; and can facilitate fixing of sliding plates in the storing grooves by means of the arrangement of the fixed blocks, such that the contact area between a small-scale water well drilling rig and the ground can be adjusted, increasing the stability of same.
Inventors:
ZHANG JIE (CN)
Application Number:
PCT/CN2020/093862
Publication Date:
December 09, 2021
Filing Date:
June 02, 2020
Export Citation:
Assignee:
NANJING LISHUI HIGH TECH VENTURE CAPITAL MAN CO LTD (CN)
International Classes:
E21B3/02; E21B15/00
Foreign References:
| CN209924906U | 2020-01-10 | |||
| CN209774519U | 2019-12-13 | |||
| CN207660540U | 2018-07-27 | |||
| CN203499559U | 2014-03-26 | |||
| CN209817927U | 2019-12-20 | |||
| CN109403874A | 2019-03-01 | |||
| JPH09100689A | 1997-04-15 |
Attorney, Agent or Firm:
NANJING ZHONGLV INTELLECTUAL PROPERTY AGENCY FRIM (GENERAL PARTNERSHIP) (CN)
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