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    • 11. 发明专利
    • RUNNING EQUIPMENT FOR FLOOR LEVELING EQUIPMENT
    • JPH03267469A
    • 1991-11-28
    • JP6579090
    • 1990-03-16
    • SHIMIZU CONSTRUCTION CO LTD
    • KAJIOKA YASUONOMURA HAJIMETAKAHASHI NORIO
    • E04F21/24E04G21/10
    • PURPOSE:To facilitate operation working and enable stable running to be performed by engaging a driving a plate and a driving gear with each other to be composed to apply a driving force to a running equipment, when a stable bearing plate made to abut on a concrete surface. CONSTITUTION:To a floor leveling equipment 13, a truck 14 is connected, and in a shape extended in the running direction of the floor leveling equipment 13, the truck 14 is provided with a vertically movable guide track 16. After that, slidably with the guide track 16, a stable bearing plate 18 is fitted, and along the extended direction, a driving plate 20 is set. After that, a driving gear 21 is set, and the driving plate 20 and the driving gear 21 are arranged to be engaged with or removed with each other along with the vertical movement of the guide track, and both the ones are arranged in an engaged state when the stable bearing plate 18 is made to abut on the surface of concrete 3. Then, a driving force is applied to a running equipment 10, and it is run, and under running, by the floor leveling equipment 13, the leveling work of the surface of the concrete 3 is always executed.
    • 14. 发明专利
    • CONCRETE CUTTING METHOD
    • JPH1018612A
    • 1998-01-20
    • JP17466296
    • 1996-07-04
    • SHIMIZU CONSTRUCTION CO LTD
    • TAKAHASHI NORIO
    • E04G23/08B23K26/38B23K26/40B23K26/00
    • PROBLEM TO BE SOLVED: To greatly promote cutting efficiency with the synergistic effect by radiating laser beams to concrete to melt it, and injecting high pressure water to quickly cool and crush the molten concrete to remove. SOLUTION: A laser gun 3 condenses laser beams from a laser generator 7 through a condenser 9 to irradiate the laser beams to a place to be cut. A high pressure water injection nozzle 4 is equipped with an oscillation mechanism oscillating in the cutting direction, and high pressure water is injected from a high pressure water generator 11. The laser is condensed through the laser gun 3 to increase energy density, the heat energy is used to melt concrete 1, the high pressure water is injected to the molten part from the high pressure water injection nozzle 4, and the concrete 1 is crushed with water energy. Then, since the concrete 1 heated with high temperature from the laser is quickly cooled by high pressure water injection, crush efficiency is greatly promoted, and dross melted with the laser is removed.
    • 15. 发明专利
    • MORTAR LEVELING DEVICE
    • JPH07331612A
    • 1995-12-19
    • JP12863494
    • 1994-06-10
    • SHIMIZU CONSTRUCTION CO LTD
    • TAKAHASHI NORIOKISHINO TOMIOFURUGUCHI HIKARIODAWARA TAKURO
    • E01C19/48
    • PURPOSE:To save manpower for leveling work by providing a hydraulic cylinder connected to a housing and a vibration plate through a parallel link mechanism, an opening and closing device and a hydraulic cylinder for driving and controlling the opening and closing device. CONSTITUTION:A mortar leveling mechanism 6 is constituted of a frame 8 mounted to a traveling truck 2 through a parallel link mechanism 7, a hopper 9, a housing 10 and a vibration plate 13 mounted to the lower part of the frame 8 through a parallel link mechanism 12. After that, the mechanism 7 is operated by a hydraulic cylinder 14, and the hopper 9 and vibration plate 13 can be raised and lowered up and down by operation of two mechanisms 7 and 12 in a state to maintain them horizontally. Then, mortar is supplied to the hopper 9 from a mixer, the mechanism 6 is lowered to contact the vibration plate 13 with a placing joint surface, size of an opening of an opening and closing device 17 is adjusted by a hydraulic cylinder 18, the mortar is spread, and it is rubbed and leveled by the vibration plate 13. According to the constitution, manpower used for leveling work can be saved.