Cylinder structure of water turbine runner chamber
The utility model discloses a cylinder structure of a water turbine runner chamber. The cylinder structure comprises a cylinder body and a piston disposed in the cylinder body, wherein a guide through hole is formed in the piston; a thread hole with the same moving direction as the piston is formed...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model discloses a cylinder structure of a water turbine runner chamber. The cylinder structure comprises a cylinder body and a piston disposed in the cylinder body, wherein a guide through hole is formed in the piston; a thread hole with the same moving direction as the piston is formed in the cylinder body; the cylinder structure further comprises a drawing-out device, by which the cylinder body can be drawn out; the drawing-out device is formed by a rack, a rack bolt, a drawing rod, a pivot bolt, a connection bolt and a guide rod; the rack bolt is fixed in the thread hole; the rack is in a flat structure and can be freely placed in and taken out of the rack bolt; the pivot bolt passes through the guide through hole and is fixedly connected with the guide rod via the connection bolt; the guide rod can freely enter the rack and is placed on the rack; the draw rod is formed by a draw rod head and a rod body; the draw rod head is spaced in the rack; the rod body passes through the rack and is fixedly connected with a piston thread; and when external force is applied to the rack, the draw rod can be drawn out of the cylinder body. The piston can be drawn out of the cylinder body, so the cylinder body or the piston can be maintained. |
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