| 摘要 |
PURPOSE: A repair material injection system for the repair of a ground or a building structure is provided to reduce work time by enabling the easy detachment of a nipple after reinforcement work. CONSTITUTION: A repair material injection system for the repair of a ground or a building structure comprises a piston type pump(110), a lever(120), a motor(130), and an inverter(140). The piston type pump supplies a water-soluble inorganic repair material from a container(10) to a supply hose(112). The lever moves in a seesaw motion over a support(121) and operates a piston rod(111) of the piston type pump. The motor rotates a connection rod(133) of a crank(132) installed on a shaft(131), and the rotational motion is converted into the vertical motion of the lever. The inverter controls the injection pressure and speed of the piston type pump by controlling the rotation speed of the motor.
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