Apparatus for measuring tire tread and automobile inspection system comprising the same
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According to the present invention, a tire tread measuring apparatus is provided at a place where an inspection device capable of performing a speedometer and a braking force test for a vehicle is installed, and the tread wear of the vehicle tire can be measured. The device is installed in a cavity formed in the bottom wall of at least one of the front and the rear of the vehicle seated on the roller member of the inspection device, the housing for receiving the measuring device, the housing is part of the upper wall opening and closing The housing, the control unit for controlling the overall operation of the measuring device, and configured to move left and right toward the left and right tires of the vehicle, and irradiates a laser to the tire and reflects the laser reflected from the tire. A laser sensor capable of receiving light and acquiring data on tread wear of the tire, a drive unit for moving the laser sensor in a left-right direction, a part of an upper wall of the housing, and the upper wall under the control of the controller; A lifting mechanism configured to move vertically to open and close the upper wall thereof; And a communication interface for transmitting data acquired by the low sensor to a vehicle inspection system by wire or wirelessly. During a braking force and / or speed test of a vehicle seated on the roller member, a predetermined time has elapsed or an operator of the vehicle inspection system manually inputs a command, and the elevating mechanism is driven under the control of the control unit to drive the housing. The upper wall is moved upward to open the upper wall, and as the upper wall is opened, the laser sensor irradiates the left and right tires to the rotating left and right tires for a predetermined time, and receives the reflected laser. After the predetermined time has elapsed, the elevating mechanism is driven under the control of the controller to move the upper wall of the housing downward to close the upper wall.