STRUCTURE AND FUNCTION
FINAL DRIVE
Principle of operation • The PVH Series travel motor consists of the fixed part which consists of hydraulic motor (2) and hydraulic valve and the rotary part which consists of simple planetary reduction gear unit (1).
a1,a2
b2 S
b1
5
a1-a2
s2
1
b2 s1 Rotating section
b1
2
3 Fixed section
4
DR
B
A
a b1consists of 4 planetary gears and b2 consists of 3 planetary gears.
1. 2. 3. 4. 5.
Simple planetary reduction gear unit Hydraulic motor Hydraulic motor Automatic 1st valve Counterbalance valve No. 2 reduction
10-50
PP
RKP13550
PC14R-3 PC16R-3
