Oil inlet/outlet connector of front telescopic sleeve hydraulic oil cylinder of dumper
A hydraulic cylinder, telescopic technology, applied in the direction of fluid pressure actuation device, etc., to achieve the effect of smooth installation
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[0014] The present invention as figure 1 , 2 shown.
[0015] The universal joint of the front telescopic sleeve hydraulic cylinder of the dump truck includes a hydraulic cylinder 1, and a joint seat 2 is correspondingly installed on the oil inlet hole 9 on the side of the hydraulic cylinder 1, and a hollow pipe 10 is arranged inside the joint seat 2. Empty pipe 10 corresponds to oil inlet hole 1 9, and joint seat 2 is provided with a plurality of oil inlet holes 2 3 that communicate with hollow pipe 10 in the radial direction, corresponding to a plurality of oil inlet holes 2 3. Rotary joint 4 is provided on joint seat 2 , the inner side of the rotary joint 4 forms an annular channel 6 outside the plurality of oil inlet holes 3, and the annular channel 6 and the oil inlet hole 5 of the rotary joint 4 are connected.
[0016] Sealing rings 7 are provided on both sides of the annular channel 6 of the rotary joint 4 , and the sealing rings 7 make the rotary joint 4 and the joint...
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