Open concrete mixer truck control mechanism

The utility model provides an open concrete mixer truck control mechanism, including variable pump, hydraulic motor, hydraulic motor passes through the oil circuit and is connected with the variable pump, be equipped with tribit cross hand -operated direction valve on the oil circuit, tribit cross hand -operated direction valve is as oil circuit control switch, and it is fixed on the frame, be equipped with the open control mechanism of tribit cross hand -operated direction valve on the frame, open control mechanism includes control lever, control support, and the control support is fixed on the frame of the churn outside, and the control lever alternates on the control support to can rotate on the control support bracket, the control lever front end is connected with the distance rod, and the distance rod front end is connected with tribit cross hand -operated direction valve operating handle, control lever excircle cover has the adapter sleeve, and the adapter sleeve is fixed on the frame, is equipped with the screw hole on the adapter sleeve, corresponds on the screw hole to be equipped with locking screw, and the when used makes control lever locking through screwing up locking screw. The control mechanism simple structure, convenient operation, cost of manufacture are hanged down, control is reliable and stable, and the practicality is strong.