00:00Are you worried when the excavator rotates, it might wrap around his waist?
00:05The flange inner gear ring you see in front of you
00:08is the rotary support turntable of the excavator.
00:11The central component is the center rotary street,
00:14also called the oil distribution center.
00:17The special structure and design enable the internal hydraulic oil or
00:21other media to flow smoothly without leakage when the object rotates.
00:27No matter how the upper body of the excavator rotates,
00:30it can connect to the hydraulic circuit of the lower body.
00:34The sealing rubber ring between the annular groove oil channels
00:37ensures that the hydraulic oil in each circuit will not interfere with each other.
00:43Like and follow for more informative videos.
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