Road quality detection device

The utility model relates to the technical field of road quality detection, and discloses a road quality detection device which comprises a measuring vehicle, an industrial control processor, a collector, a laser displacement sensor and an acceleration sensor, the industrial control processor is connected with the collector, and the collector is connected with the laser displacement sensor and the acceleration sensor. The laser displacement sensor and the acceleration sensor are both installed at the bottom of the measuring vehicle, the acceleration sensor comprises a shell, an elastic supporting piece, an inertial element, a direct-current power source, a movable electrode, a fixed electrode, an oscillator, an alternating-current amplifier and a rectifier, a magnetic force type force generator is arranged at the bottom of the shell, and the bottom of the inertial element is connected with a moving coil. The moving coil is connected with a voltmeter, the voltmeter is connected with the collector, and the movi