Power supply device for rapid installation of power supply

The invention discloses a power supply device for rapid installation of a power supply, and the device comprises an adjusting unit which comprises a battery box assembly, a clamping assembly which penetrates through the battery box assembly, a switching assembly which sleeves the clamping assembly, and a rotating assembly which is connected with the switching assembly. The device has the beneficial effects that through the arranged clamping assembly, a battery can be clamped and fixed during use, the situation of poor contact caused by movement of the battery is reduced, the device is powered on and powered on at the moment of clamping and fixing, battery clamping can be easily unlocked, and the battery can be conveniently overhauled or replaced; through cooperation of the arranged switching assembly and the clamping assembly, power supply switching between the main battery and the standby battery can be achieved during manual one-way rotation, the rotating ring can be further driven to rotate through coopera