Main gear speed change mechanism

A main drive shift gear comprises a motor, an upright post, a drive gear, a power shaft, a drive shaft and a main shaft; wherein the power shaft is fixed on the upright post, a power shaft drive gear and three power shaft connecting gears are arranged on the power shaft, and the power shaft drive ge...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	SONG QINGEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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
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Beschreibung
Zusammenfassung:	A main drive shift gear comprises a motor, an upright post, a drive gear, a power shaft, a drive shaft and a main shaft; wherein the power shaft is fixed on the upright post, a power shaft drive gear and three power shaft connecting gears are arranged on the power shaft, and the power shaft drive gear is meshed with the drive gear; three drive shaft connecting gears are arranged on the drive gear; three main shaft connecting gears are arranged on the main shaft; the three drive shaft connecting gears are respectively meshed with the main shaft connecting gears and the power shaft connecting gears; a shifting handle seat which is connected with a rotary shaft is arranged in the upright post; the front end of the rotary shaft is connected with a swing block, and a draw block which is in sliding connection with the main shaft connecting gears and the power shaft connecting gears is arranged at the front end of the swing block. The utility model has the advantages that the whole drive shift gear has the structure