US 12,134,939 B2
Drilling device, and drilling construction method for an electric power iron tower foundation
Jian Ma, Zhejiang (CN); Yuhui Ma, Zhejiang (CN); Zhe Chen, Zhejiang (CN); Yunguo Yang, Zhejiang (CN); Wenwu Li, Zhejiang (CN); Gang Xu, Zhejiang (CN); Wei Sun, Zhejiang (CN); Yunxiang Zhu, Zhejiang (CN); and Qing Lv, Zhejiang (CN)
Assigned to Jinhua Electric Power Design Institute Co., Ltd., Zhejiang (CN); and Jinhua Power Supply Company, State Grid Zhejiang Electric Power Co., Ltd., Zhejiang (CN)
Appl. No. 18/004,588
Filed by JINHUA ELECTRIC POWER DESIGN INSTITUTE CO., LTD., Zhejiang (CN); and JINHUA POWER SUPPLY COMPANY, STATE GRID ZHEJIANG ELECTRIC POWER CO., LTD., Zhejiang (CN)
PCT Filed Jun. 23, 2022, PCT No. PCT/CN2022/100743
§ 371(c)(1), (2) Date Jan. 6, 2023,
PCT Pub. No. WO2022/228586, PCT Pub. Date Nov. 3, 2022.
Claims priority of application No. 202110448905.5 (CN), filed on Apr. 25, 2021; and application No. 202110450374.3 (CN), filed on Apr. 25, 2021.
Prior Publication US 2023/0250696 A1, Aug. 10, 2023
Int. Cl. E21B 15/04 (2006.01); E21B 7/02 (2006.01); E21B 15/00 (2006.01); E21B 21/01 (2006.01); E21B 21/015 (2006.01)
CPC E21B 15/04 (2013.01) [E21B 7/024 (2013.01); E21B 15/003 (2013.01); E21B 15/045 (2013.01); E21B 21/011 (2020.05); E21B 21/015 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A drilling device, comprising:
a hydraulic drilling unit capable of moving among a plurality of drilling platforms and among a plurality of hole positions on the plurality of drilling platforms, and performing a drilling operation;
a multi-way connector;
a compressed air conduit;
a plurality of air compressor units disposed in a fixing and mounting region that is between the plurality of drilling platforms, wherein compressed air outputted by the plurality of air compressor units flows jointly through the multi-way connector and then is transmitted to the hydraulic drilling unit through the compressed air conduit;
an air duct;
a dust removal unit comprising a dust collection cover and a dust remover, wherein the dust collection cover is configured to be located at any one of the plurality of hole positions, the dust remover is disposed in the fixing and mounting region, and the dust collection cover and the dust remover are connected through the air duct; and
an operation bench connected to the hydraulic drilling unit, the plurality of air compressor units and the dust remover for communication and control;
wherein the hydraulic drilling unit comprises a drilling chassis module, a drill boom assembly module and a hydraulic drive module, wherein the drilling chassis module comprises two track mechanisms, one bridge and one swivel assembly, the two track mechanisms are symmetrically arranged at two ends of the bridge, the swivel assembly is rotatably connected to the bridge and disposed in a middle of the two track mechanisms, and the drill boom assembly module and the hydraulic drive module are both mounted on the swivel assembly.