Wheel type crane and centre revolving joint thereof
A center rotary joint, rotary body technology, applied in the direction of connection, rotary current collector, current collector, etc., can solve the problem of difficult processing of rotary body, to ensure work reliability and safety, improve sealing effect, prevent leakage flow effect
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[0034] The core of the present invention is to provide a central swivel joint. By splitting the revolving body of the central swivel joint, it is processed in sections by ordinary machine tools and then spliced into a revolving body that meets the size requirements of the long center swivel joint. It is difficult to process, thereby reducing the overall manufacturing cost of the center rotary joint and shortening its manufacturing cost. On this basis, the present invention also provides a wheeled crane including the above-mentioned center swivel joint.
[0035] Without loss of generality, the first specific embodiment of the central swivel joint provided by the present invention will now be described with reference to the drawings.
[0036] See image 3 , Figure 4 with Figure 5 ,among them, image 3 Shows a schematic structural view of the first specific embodiment of the central swivel joint provided by the present invention, Figure 4 show image 3 A partial enlarged schemati...
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