A multifunctional continuously variable transmission device
A technology of stepless speed change and transmission, which is applied in the direction of transmission, fluid transmission, belt/chain/gear, etc. It can solve the problem that single-mode transmission is difficult to adapt to various working conditions, it is difficult to realize gear switching without power interruption, Low transmission efficiency and other issues, to achieve the effect of simple structure, reduced volume and weight, and convenient operation
Active Publication Date: 2022-06-21
JIANGSU UNIV
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Problems solved by technology
[0003] The advantage of hydraulic transmission is to increase the flexibility of the transmission system, but the disadvantage is that the transmission efficiency is low; mechanical transmission has the advantages of high efficiency and mature technology, but it is difficult to realize gear switching without power interruption; hydraulic mechanical transmission is a dual-flow transmission method. Can better realize high-efficiency stepless speed change
[0004] The traditional single-mode transmission device is difficult to fully adapt to various working conditions, and it is difficult to achieve flexible start at the start, stepless speed regulation during operation, and high-efficiency transmission during transition
Method used
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[0027] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.
[0028] like figure 1 As shown, the multifunctional continuously variable transmission device of the present invention includes an input shaft 1, a hydraulic transmission assembly 2, a mechanical transmission assembly 7, a planetary gear assembly 3, an intermediate shaft 4, a shift group 5 and an output shaft 6;
[0029] The hydraulic transmission assembly 2 includes a hydraulic power input gear pair 2-1, a variable displacement pump 2-2, a quantitative motor 2-3, a first clutch 2-4 and a hydraulic power output gear pair 2-5; the input shaft 1 The variable pump 2-2 is connected to the variable pump 2-2 through the hydraulic transmission input gear pair 2-1; the variable pump 2-2 is used to provide the power of the quantitative motor 2-3; the quantitative motor 2-3 is output...
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The present invention provides a multifunctional continuously variable transmission device, which includes an output member, an input member, a hydraulic transmission assembly, a planetary gear assembly, a clutch assembly and a brake assembly; the input member is connected with the hydraulic transmission assembly and the planetary gear respectively The assembly is connected, the planetary gear assembly is connected with the output member through the shift assembly, the clutch assembly connects the input member and the hydraulic transmission assembly to the planetary gear assembly respectively, the brake assembly and the clutch assembly Provides a continuous forward or reverse gear ratio between the input member and the output member. Forward or reverse transmission between the input member and the output member is provided by adjusting the displacement ratio of the hydraulic transmission assembly and selectively controlling the coupling of the clutch assembly and the brake assembly. The invention is a transmission device capable of meeting the requirements of low-speed operation and high-speed operation, and realizes stepless speed change during the switching process of various transmission modes.
Description
technical field [0001] The invention relates to the field of automatic speed change devices, in particular to a multifunctional stepless speed change transmission device. Background technique [0002] The variable speed transmission device of the vehicle plays a decisive role in the vehicle power, fuel economy and production efficiency. The continuously variable transmission has a good application prospect because it overcomes the power interruption in the vehicle transmission process. [0003] The advantage of hydraulic transmission is to increase the flexibility of the transmission system, but the disadvantage is that the transmission efficiency is low; the mechanical transmission has the advantages of high efficiency and mature technology, but it is difficult to achieve gear switching without power interruption; It can better realize efficient stepless speed change. [0004] The traditional single-mode transmission is difficult to fully adapt to various working condition...
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IPC IPC(8): F16H47/04
Inventor 朱镇蔡英凤夏长高陈龙韩江义施德华王峰袁朝春徐兴盘朝奉
Owner JIANGSU UNIV