| 摘要 |
PURPOSE: A concrete distributor is provided to prevent the damage of a structure comprising reinforcing bars or frame forms and to place concrete simply. CONSTITUTION: A concrete distributor(2) comprises: a distributor body(10) provided with many bearing members(52) supported against each floor and moved vertically; a distributing instrument containing a concrete supply pipe(66) located on the lower part of the distributor body and connected to an external source of concrete supply, a primary pipe(6) connected to the concrete supply pipe by a connection pipe and installed to the upper part of the distributor body to be rotatable and a secondary pipe(8) connected to the primary pipe to discharge concrete; a revolving instrument containing a primary motor(14) installed to the front of the distributor body, a primary pulley(18) installed to the upper middle of the distributor body to be movable, a primary belt(16) wound around the shaft of the primary motor and the primary pulley, a rail(22) installed to four corners of the distributor body and a retentive plate(20) fixed with the primary pipe and provided with several rollers moving on the rail; a moving instrument containing a secondary motor(28) installed to the lower part of the distributor body, several wheels(34) installed to both lower ends of the distributor body to be rotatable, a secondary pulley(32) installed to the shaft of the wheels to be rotatable, a secondary belt(30) wound around a shaft extended to the both sides of the secondary motor and the secondary pulley and a pair of guide rails(36) placed on the bottom of a facility to guide the wheels; and a controlling instrument containing an operation key(12).
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