Antenna mast lifting speed reducer gear shifting mechanism
A shifting mechanism and reducer technology, applied in the direction of controlled components, mechanical equipment, mechanical control devices, etc., can solve the problems of difficult processing, poor shifting experience, low transmission efficiency, etc., to achieve convenient shifting operation, processing Convenience, simple structure and reliable effect
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[0020] like Figure 1-4 The shifting mechanism of antenna mast lifting reducer shown includes an output shaft 3, and the parallel output shaft 3 is equipped with an electric input shaft 1a and a manual input shaft 4a; the output shaft 3 is slidingly engaged with a shift gear 2; the electric input shaft The electric end gear 1 is fixed on 1a; the manual end gear 4 is fixed on the manual input shaft 4a; the electric end gear 1 and the manual end gear 4 are in different planes; the shift gear 2 is fixedly connected with a shift mechanism; The gear mechanism includes a shift fork 10 fixedly connected with the shift gear 2, and the shift fork 10 is connected with a cam rotation mechanism.
[0021] The cam rotation mechanism comprises a shift fork pin 10a fixedly connected with the shift fork 10, and the shift fork pin 10a is slidably connected with a cam shift block 6, and the cam shift block 6 is formed with an opening groove 6b matched with the shift fork pin 10a; the cam shift b...
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