| 摘要 |
A concrete mixer is provided to mix concrete uniformly within a short time by entirely mixing the concrete by a first revolving motor unit and then minutely mixing the concrete by a rotating blade of a second rotating motor unit. In a concrete mixer, a furnace(10) is closed up by a cover(11) to mix concrete with various materials. A first revolving motor unit(20) has a first motor(21) connected by a vertical shaft(22) formed in the furnace; a horizontal shaft(23) installed at one end of the vertical shaft; and stirring blades(24) installed at the both sides of the horizontal shaft. A second motor unit(30) has a second motor(31) installed at the upper end of the furnace and connected to the horizontal shaft and rotates the second motor by the revolution of the horizontal shaft. A power applying tool(41) is installed at the upper side of the second motor and provided with plural conductors separated at regular intervals on the outer peripheral surface. A power guide has a groove fitted to the outer peripheral surface of the conductors to slide without separation if the power applying tool is vibrated, and a ground terminal disposed in the groove. Plural guide bars are connected to one end of the upper part of the power guide and curved outward to prevent the power guide from being separated due to the rotation of the power applying tool. A connecting tool is formed at the end of the guide bar, combined to move the guide bar vertically, and installed at a power supply device(50) supplying external power. An electric wire transmits power from the power supply device to the ground terminal of the power guide. |
