Design Method of Power Coupling Mechanism Scheme for Double Side Motors Coupling Drive Transmission

Abstract

Abstract:

According to the characteristics of transmission of tracked vehicle, a new double side motors coupling drive transmission scheme was put forward. Based on planetary transmission components comprehensive analysis method, the basic principle of component combination was given for power coupling mechanism scheme optimum seeking. And the rotational speed and torque mathematical transformation models were set up between input and output. A new characteristic parameter was put forward to represent renewable power utilization as a quantitative evaluation index. So this paper proposed a suitable design method for double input double output coupling mechanism scheme. Accordingly, a coupling mechanism example was designed. The results show that coupling mechanism can realize steering renewable power mechanical recirculation. Compared with double side motors independently drive transmission, power demand of coupling drive transmission is only 0.65 times. Meanwhile, the correctness and feasibility of the design method were also validated.

Key words: electric transmission, coupling mechanism, steering renewable power, design method

摘要：

根据履带车辆传动特点提出了一种新的双侧电机耦合驱动传动方案。应用行星传动构件综合分析法，提出了方案优选的构件组合原则，建立了双侧电机耦合传动输入输出间的转速、转矩数学变换模型，并提出将特征参数转向再生功率机械利用率作为定量的评价指标。最终，形成了一种适用于双输入双输出功率耦合机构的传动方案设计方法，据此设计了双侧电机耦合驱动传动系统。计算表明，功率耦合机构能够实现履带车辆转向再生功率的机械回流，可降低电机的功率需求，所提出方案的电机功率需求仅为双侧电机独立驱动方案电机功率需求的0.65倍。分析结果验证了该设计方法的可行性和正确性。

关键词: 电传动, 耦合机构, 转向再生功率, 方案设计方法

CLC Number:

TH137.1

Gai Jiangtao, Huang Shoudao, Zhou Guangming, Li Shenlong. Design Method of Power Coupling Mechanism Scheme for Double Side Motors Coupling Drive Transmission[J]. China Mechanical Engineering, 2014, 25(13): 1739-1743.

盖江涛, 黄守道, 周广明, 李慎龙. 双侧电机驱动的功率耦合机构传动方案设计方法[J]. 中国机械工程, 2014, 25(13): 1739-1743.

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