Patent ID: 11958718
Assignee: GUIYANG PLATEAU MINING MACHINERY COMPANY LIMITED
Field: Handling (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 3:
4. The multi-channel impact-resistant intelligent-constant-deceleration hydraulic braking system according to claim 1, wherein, for each of the oil return channels, the operating mode switching apparatus is disposed as a three-position four-way electromagnetic reversing valve (5), the three-position four-way electromagnetic reversing valve (5) is configured to switch the hydraulic system between a normal working operating mode and a safety braking operating mode, the three-position four-way electromagnetic reversing valve (5) is bypassed with a direct-acting overflow valve (4) configured to adjust pressure, and the direct-acting overflow valve (4) is configured to limit pre-braking working oil pressure of the multi-channel impact-resistant intelligent-constant-deceleration hydraulic braking system.