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    • 2. 发明专利
    • CONCRETE LEVELING ROBOT
    • JPH0598804A
    • 1993-04-20
    • JP26483291
    • 1991-10-14
    • KAJIMA CORP
    • SHIRAISHI YASUNOBUITOU KIYOKAZUKUBO KIRYONEMOTO TSUTOMUFUKUKAWA MITSUOHIGUCHI NORIMASA
    • E04F21/24E04G21/10G05D1/02
    • PURPOSE:To aim at the promotion of labor-saving by installing each mobile leg orthogonally with both ends of a screed type concrete leveler equipped with a laser beam receiver, and setting up respective motor screw jacks and drivers at both ends of these inner and outer legs. CONSTITUTION:Two motor screw jacks 13, 13 at both outer legs 11 are extended longer by a controller 8 of a screed type concrete leveler 1, supporting this leveler 1 with the outer legs 11, and two motor screw jacks 14, 14 of both inner legs 12 are contracted and the inner legs 12 are supported by the leveler 1. Next, a pinion 24a is rotated by an outer driving motor 21 a, traveling the leveler 1 forward on these outer legs 11, and then the leveler 1 is detected by a limit switch S3, stopping the motor 21a. Subsequently, the leveler 1 is shifted along these inner legs 12 by reverse motion, and ready-mixed concrete 33 is leveled by two blades 2, 2. In succession, with a signal out of a laser beam receiver 3 received with a laser beam from a laser beam emitter 35, each stroke of these jacks 13, 14 is adjusted as specified, thus a level on a flattened surface is kept constant.