Patent ID: 11942767
Assignee: TAIZHOU DAWEI ELECTRIC APPLIANCE CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. The threading device suitable for a building electrical pipeline according to claim 4, wherein brake assemblies are further arranged in the electrical bin and comprise a first electromagnet and a brake pad, the transmission shaft sequentially penetrates through the first electromagnet and the brake pad, the first electromagnet is fixedly arranged on the partition plate, the brake pad is slidably arranged on the transmission shaft, a brake pad reset pull rod is arranged on the transmission shaft, a first pull block and a second pull block are symmetrically arranged on the periphery of the brake pad, and the two ends of the brake pad reset pull rod are connected with the first pull block and the second pull block respectively.