Hydraulic mechanical gearbox of special type vehicle

The utility model relates to a hydraulic mechanical gearbox of special type vehicle, including the box, be used for for the box in the oily system and the gearbox electrical system of fuel feeding, inthe box coaxial lockup clutch of being provided with, torque converter, hydraulic retarber, lowly divide that dynamic clutch, height divide that the planet is vice, high score dynamic clutch, high -grade clutch, medium and high -grade planet are vice, middle -grade clutch, low -grade planet are vice, low -grade clutch, the vice and reverse gear clutch of the planet that reverses gear, be providedwith turbine speed sensor and the electric liquid that is used for controlling each clutch action valves of shifting on the box shell, low transfer clutch sleeve dress is in low branch dynamic clutchcylinder liner, the tooth is tested the speed with the cooperation to processing on the low branch dynamic clutch cylinder liner excircle turbine speed sensor detects the torque converter rotationalspeed, lockup clutch and tor