Multifunctional gear chamber

The invention discloses a multifunctional gear chamber. The multifunctional gear chamber comprises a gear chamber body and multiple installation bosses. An annular oblique groove is formed in an oil seal installation hole of the gear chamber body. Radiation type reinforcing ribs with the hole as the center are arranged in the gear chamber body. The gear chamber body comprises a flange. Two positioning pin holes are further formed in the gear chamber body so that the two positioning pin holes and a machine body can form a double-positioning-pin positioning structure. The gear chamber body is further provided with a tensioning wheel support installation hole and an upper stop point pointer installation hole. The installation bosses are integrated on the gear chamber body and include the electricity generator support installation bosses and the sensor installation bosses. The annular oblique groove is formed in the oil seal installation hole of the multifunctional gear chamber, the friction force between an oil