Withstand voltage detection device of insulating sleeve for new energy automobile

The invention discloses a withstand voltage detection device for an insulating sleeve for a new energy automobile, and the device comprises a bottom frame, the bottom frame is provided with a first support and a second support, the second support is provided with a sliding assembly, the sliding assembly comprises a guide rail and a sliding block, and a clamping mechanism is installed on the sliding block and is used for clamping the insulating sleeve to be detected. One end of the insulating sleeve away from the clamping mechanism is provided with a conductive pulley, and the other end is provided with an optical reflection sensor; the electrode assembly comprises a cathode and an anode, one end of the cathode is connected with the bottom frame, the other end of the cathode abuts against the end, away from the insulating sleeve, of the conductive pulley, and the cathode and the anode are in a connected state and a disconnected state; and the voltage multiplier is mounted on the bottom frame, is electrically c