To provide a car washing machine capable of automatically and reliably detecting the replacement timing of a car washing brush according to the car washing situation, and performing the car washing without damaging a car to be washed.
The car washing machine comprises a gantry frame 1 movably provided on tracks 2 and 2, a car 3 to be washed which is advanced into a space part K surrounded by the gantry frame, car washing brushes (a top brush 5 and side brushes 7 and 8) mounted on the gantry frame in a freely attachable/detachable manner to/from the car, and motors M2, M3 and M4 to rotate and drive the car washing brushes, and washes the car to be washed by moving the gantry frame, and further comprises a first detection means 9 to detect the number of rotation of the motors, and/or a second detection means 11 to electrically detect the contact pressure load on the motors caused by the wear of the car washing brushes to the car, and a notification means D to notify the replacement timing by a means such as a display when the number of rotation of the car washing brushes reaches the predetermined value and/or the contact pressure load reaches outside the set range.
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MAEDA SATORU
Hiroshi Ochi
Sadao Matsumura
Isamu Kakiuchi