Mechanical speed change power head gear shifting device and gear shifting method

• Main Authors: WANG FUQIANG, CHEN FEIDA, LIN ZONGHUI, XIA MENG
• Format: Patent
• Language: Chinese; English
• Published: 27.10.2023
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

The invention relates to the technical field of direction-changing gear shifting devices of transmission machinery, in particular to a mechanical speed-changing power head gear shifting device and a gear shifting method.The mechanical speed-changing power head gear shifting device comprises a direction-changing oil cylinder, a gear shifting head and a positioning plate, the direction-changing oil cylinder comprises an outer cylinder body, a sliding inner cylinder and a rotating rod, and the sliding inner cylinder is in sliding connection with the outer cylinder body in the radial direction; the rotating rod is coaxially and rotationally connected with the sliding inner cylinder; the gear shifting head is fixedly connected to the lower end of the rotating rod; a power hole and an operation opening are formed in the surface of the positioning plate, the outer cylinder body is fixedly connected to the positioning plate, and the gear shifting head rotates along with the rotating rod to switch the position between