A convenient EMU (electric multiple unit) sliding plug door maintenance test device
By using an electric gun battery and a dedicated plug for power supply, combined with a telescopic box and a folding and rotating mechanism, the problems of heavy portable power equipment and incorrect wiring have been solved, improving the convenience and safety of maintenance of the EMU sliding doors.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA RAILWAY WUHAN BUREAU GRP CO LTD WUHAN EMU
- Filing Date
- 2025-04-28
- Publication Date
- 2026-06-16
AI Technical Summary
Existing portable power supply equipment is heavy, making it inconvenient to carry and move, and the terminal block wiring method is prone to incorrect wiring, affecting the flexibility and safety of maintenance.
The experimental fixture uses an electric gun battery as its energy source, is powered by a dedicated plug, and is transported via a telescopic box to avoid the risk of incorrect wiring. A folding and rotating mechanism is designed to improve convenience.
It provides convenient power supply, avoids equipment burnout, saves manpower, is suitable for different specifications of experimental tooling, occupies little space, and is easy to clean.
Smart Images

Figure CN224365783U_ABST