Lifting hydraulic capstan for truck-mounted crane of truck
A technology of hydraulic winches and truck-mounted cranes, which is applied in hoisting devices, spring mechanisms, etc., can solve the problems of complex structure, restricted development, and high cost of reducers, and achieve the effects of light weight, safe and reliable use, and compact structure
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[0013] As shown in the accompanying drawings: a hoisting hydraulic winch for truck-mounted cranes, which includes: a reel 1, a brake assembly 7, a planetary gear reduction system, a hydraulic motor 9 and a control valve group 8. The brake assembly 7 includes: a friction plate assembly 7-1, a spring 7-2, a piston 7-3 and a brake connecting shaft 7-4. The planetary gear reduction system includes: a sun gear 10, a planetary gear 11, an inner ring gear 4 and a planetary gear carrier; the output shaft of the hydraulic motor 9 is connected to the left end of the brake connecting shaft 7-4 through a spline, and the The inner hole at the right end of the brake connecting shaft 7-4 is connected with the sun gear 10 through a spline; the outer circle at the right end of the brake connecting shaft 7-4 is connected with the friction plate assembly 7-1 through a spline. It is characterized in that: the fixed seat 6 has four functions of hydraulic winch and car body connection bracket, hydr...
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