Three-section-type electromechanical composite stepless transmission device for wheel-type load-carrying vehicle
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An electromechanical composite, stepless transmission technology, applied in the direction of gear transmission, transmission, mechanical equipment, etc., can solve the problem that the transmission ratio adjustment range is difficult to meet the load-bearing vehicle, etc., and achieve good starting performance, improve power density, and simple structure. Effect
Inactive Publication Date: 2012-09-12
BEIJING INSTITUTE OF TECHNOLOGYGY
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Under the premise of a certain motor power, the range of transmission ratio adjustment that can be realized by single-stage electromechanical compound transmission is difficult to meet the requirements of heavy-duty vehicles
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[0026] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings and examples. The following examples are only used to illustrate the technical solutions of the present invention more clearly, but not to limit the protection scope of the present invention.
[0027] Such as figure 1 As shown, the technical solution of the present invention is a three-stage electromechanical compound stepless transmission device for wheeled trucks, including engine 1, k1 planetary row, k2 planetary row, k3 planetary row, k4 planetary row, motor a4 , motor a cable 23, motor b9, motor b braking member 20, motor b cable 25, clutch a7, clutch b14, brake a8, brake b10, brake c12, capacity output shaft 15, motor controller 24 and power battery pack 26 ;
[0028] Among them, the k1 planetary row is composed of the k1 planetary row ring gear 2, the k1 planetary row sun gear 22 and the k1 planetary row carrier 3;
[0029] The k2 p...
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Abstract
The invention belongs to the technical field of power transmission, and relates to an stepless transmission device, and in particular relates to a three-section-type electromechanical composite stepless transmission device for a wheel-type load-carrying vehicle, which comprises an engine, a k1 planet line, a k2 planet line, a k3 planet line, a k4 planet line, a motor a, a cable of the motor a, a motor, a braking construction member of the motor b, a cable of the motor b, a clutch a, a clutch b, a brake a, a brake b, a brake c, an energy and power output shaft, a motor controller and a power battery pack. Two planet lines are utilized for constructing two kinds of flow dividing modes, additionally, two planet lines are utilized to construct two different speed reduction ratios, and a three-section-type electromechanical composite stepless transmission device is formed by utilizing the switching mode of clutches or brakes, the stepless speed variation in a lager range is realized, and the structure is simple; and a differential exchange moment flow dividing mode is adopted for a starting stage, the three-section-type electromechanical composite stepless transmission device for the wheel-type load-carrying vehicle has zero-speed output and better starting property, clutches are not required to be started, and the starting performance is good.
Description
technical field [0001] The invention belongs to the technical field of power transmission and relates to an inorganic transmission device, in particular to a three-stage electromechanical composite stepless transmission device for wheeled load vehicles. Background technique [0002] The electromechanical compound stepless transmission can realize stepless speed regulation, optimize the working state of the engine, and enable the vehicle to obtain the best power performance and fuel economy performance. With the cooperation of the power battery pack, it can realize multiple operating conditions, such as electric working conditions, composite Driving conditions, braking energy recovery conditions, external power supply conditions, battery-assisted acceleration conditions, etc. Compared with cars, trucks need a wider transmission ratio range to meet low-speed high-torque climbing and highway driving conditions. Under the premise of a certain motor power, the single-stage elect...
Claims
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