Patent ID: 11897737
Assignee: nan
Field: Mechanical elements (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 5:
6. The winch according to claim 1, wherein in a lubricating system (2.6), oil discharge holes (2.2 c1) are uniformly formed at intervals in the lower half of the outer diameters of the planetary gear rings (2.2 c) of each stage in the transmission shell having a tapered inner diameter, notches with equal heights on two sides with equal arcs and equal heights are axially cut out from the outer diameter of an outer gear ring (2.2 c) to serve as oil drainage holes (2.2 c1), oil drainage holes (2.61) are arranged at the bottom of the right side of a transmission shell (2.1), a breather and oil filling hole (2.62) is arranged at the top corresponding to the oil drainage holes, and a reel (3) and the oil drainage holes (2.61) are arranged, oil change holes (3.3) are arranged at positions corresponding to the breather and oil filling holes (2.62);
an oil exchange pipe (2.65) with a visible oil level height is arranged at the bottom of the power mechanism (1) at the end part of the left rack (5.1), the oil exchange pipe (2.65) is arc-shaped and equidistantly arranged along the outer diameter of the transition joint (1.1), and a short pipe arranged in an axial T shape of the oil exchange pipe (2.65) is connected with an oil inlet and outlet pipe (2.63) led out from the machine body through a loose joint or a quick joint (2.64), a positioning clamp (2.66) is arranged at the upper part and fixed on the rack (5.1), and end covers (2.67) with threads are arranged at the upper end and the lower end of the rack (5.1) for plugging;
a hollow joint (2.63 a) is arranged at the bottom of an oil inlet/outlet pipe (2.63) led out from the machine body, an oil suction pipe (2.63 b) is connected with the hollow joint (2.63 a) and is connected with a hydraulic pump (2.63 e) through an oil filter (2.63 c) with a bypass, and an overflow valve (2.63 f) is arranged on a lubricating oil pipe (2.63 d) connected with the hydraulic pump (2.63 e), a pressure sensor (6.3), a flow sensor (6.4) and an overflow valve (2.63 f) directly discharge overflow oil to an oil suction pipe (2.63 b) for circulation, and a lubricating oil pipe (2.63 d) enters the upper part of a transmission shell (2.1) through a rack hole (5.1 a) and an axial groove (2.1 a1), the central sun gear sliding bearing (7b) and the clutch shifter execution unit tubular member inner bearing (7) are directly lubricated by entering the transmission shell (2.1) through holes arranged between planetary gears of all stages;
an oil level sensor (6.5) is disposed within the tapered transmission shell (2.1).