Hydro-mechanical hybrid transmission device with energy management mechanism

A hydro-mechanical hybrid transmission device with an energy management mechanism, comprising

• an input member,
• a mechanical transmission mechanism,
• the energy management mechanism,
• a power output mechanism,
• an output member,
• a convergence mechanism,
• a start mechanism,
• a hydraulic transmission mechanism,
• a clutch assembly, and
• a brake assembly,
• wherein
• the clutch assembly connects the input member to the mechanical transmission mechanism, the power output mechanism, and the hydraulic transmission mechanism,
• the clutch assembly connects an output of the hydraulic transmission mechanism to the mechanical transmission mechanism and the output member,
• the clutch assembly connects an output of the mechanical transmission mechanism to the convergence mechanism,
• the clutch assembly connects the output member to the convergence mechanism, and
• the clutch assembly connects the energy management mechanism to the mechanical transmission mechanism and the power output mechanism;
• the clutch assembly and the brake assembly provide a continuous transmission ratio between the input member and the output member or the power output mechanism,
• the clutch assembly and the brake assembly provide a continuous transmission ratio between the energy management mechanism and the output member or the power output mechanism, and
• the clutch assembly and the brake assembly provide a continuous transmission ratio between the energy management mechanism together with the input member and the output member or the power output mechanism,
• transmission modes comprising hydraulic transmission, hydro-mechanical transmission, and mechanical transmission are provided between the input member and the output member by adjusting a displacement ratio of the hydraulic transmission mechanism and selectively controlling an engagement of the clutch assembly and the brake assembly;
• the mechanical transmission mechanism comprises a front planetary gear mechanism and a middle planetary gear mechanism, wherein
• a planet carrier of the front planetary gear mechanism is connected to the input member,
• the planet carrier of the front planetary gear mechanism is connected to a ring gear of the middle planetary gear mechanism,
• a sun gear of the front planetary gear mechanism is connected to a sun gear of the middle planetary gear mechanism,
• the sun gear of the middle planetary gear mechanism is connected to an output end of the hydraulic transmission mechanism;
• the convergence mechanism comprises a rear planetary gear mechanism, wherein
• a ring gear of the rear planetary gear mechanism is connected to the output member,
• the clutch assembly connects a ring gear of the front planetary gear mechanism or a planet carrier of the middle planetary gear mechanism to a sun gear of the rear planetary gear mechanism;
• the clutch assembly comprises a first clutch and a second clutch;
• wherein
• the first clutch is used for selectively connecting an input end of the hydraulic transmission mechanism to the input member to implement a second synchronous rotation;
• the second clutch is used for selectively connecting the output end of the hydraulic transmission mechanism to the output member to implement a third synchronous rotation;
• and
• a continuous forward hydraulic transmission or a continuous reverse hydraulic transmission is provided between the input member and the output member by adjusting the displacement ratio of the hydraulic transmission mechanism and selectively controlling an engagement of the first clutch and the second clutch.