US 12,247,592 B2
Power system and travel power station
Jie Zhao, Nanjing (CN); Jiawei Han, Nanjing (CN); Min Yang, Nanjing (CN); Guangbin Tan, Nanjing (CN); Shaozhong Wang, Nanjing (CN); Chengyun Zhu, Nanjing (CN); Buyan Tang, Nanjing (CN); Xiangwei Zhao, Nanjing (CN); Shanfei Feng, Nanjing (CN); and Honghao Cai, Nanjing (CN)
Assigned to Epiroc (Nanjing) Construction & Mining Equipment Ltd., Nanjing (CN)
Appl. No. 18/292,710
Filed by EPIROC (NANJING) CONSTRUCTION & MINING EQUIPMENT LTD., Nanjing (CN)
PCT Filed Jul. 19, 2022, PCT No. PCT/CN2022/106443
§ 371(c)(1), (2) Date Jan. 26, 2024,
PCT Pub. No. WO2023/005732, PCT Pub. Date Feb. 2, 2023.
Claims priority of application No. 202110867574.9 (CN), filed on Jul. 28, 2021.
Prior Publication US 2024/0369079 A1, Nov. 7, 2024
Int. Cl. F15B 13/04 (2006.01); F15B 21/0423 (2019.01)
CPC F15B 13/0401 (2013.01) [F15B 21/0423 (2019.01); F15B 2013/041 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A power system, configured to provide hydraulic power for a drill rig (100), wherein a first traveling motor (101), a second traveling motor (102), a drill rig multi-way valve (103), and a plurality of drill rig auxiliary execution mechanisms (104) are arranged on the drill rig (100); the power system comprises a first main pump (201), a second main pump (202), an auxiliary pump (203), a first switching unit (204), a first logical unit (205), a second logical unit (206), and a control system (207); the auxiliary pump (203) is connected to the first switching unit (204); the first traveling motor (101) is connected to the first logical unit (205), and the second traveling motor (102) is connected to the second logical unit (206); the control system (207) is connected to the first switching unit (204), the first main pump (201), the second main pump (202), and the auxiliary pump (203); and
when the hydraulic power is provided for the drill rig (100), the first main pump (201) is connected to the first logical unit (205), the second main pump (202) is connected to the second logical unit (206), the first logical unit (205) and the second logical unit (206) are separately controlled by the first switching unit (204) to disconnect a hydraulic oil line of the drill rig (100) from the first traveling motor (101) and the second traveling motor (102) and connect an oil line between the first main pump (201) and the first traveling motor (101) and an oil line between the second main pump (202) and the second traveling motor (102), the first traveling motor (101) is driven by the first main pump to work, and the second traveling motor (102) is driven by the second main pump (202) to work.