增速型液力偶合器的变频调速技术制造技术
Variable frequency speed regulation technology for speed up hydraulic coupling
A variable frequency speed regulation technology for a speed up hydraulic coupler, which belongs to the technical field of hydraulic coupling. The aim of the present invention is to keep the overall structure of the speed increasing hydraulic coupler without changing the overall structure of the speed-up hydraulic coupler. The speed increase type hydraulic coupling is transformed into a speed increase gear box connected by a hydraulic coupling. This is the frequency conversion technology of the speed up hydraulic coupler. The theory innovation of the present invention is the largest, and the load characteristics and the conditions of constant work in growth type coupling pump wheel and turbine oil cavity filling quantity maintain, change the input speed of hydraulic coupling, it changes the input and output characteristics of hydraulic coupler, thereby regulating hydraulic coupler output power and speed of the. This is the theoretical basis of the transformation of the speed control technology of the speed up hydraulic coupler. The positive effect of the invention is to solve the drawback that the speed-up hydraulic coupling deviates from the rated working condition, has the advantages of low efficiency and high energy consumption, and realizes the transformation of the speed increasing fluid coupling frequency conversion speed regulation through the invention to achieve the purpose of saving electricity by 20%, and provides energy saving and consumption reduction for enterprises.
【技术实现步骤摘要】
增速型液力偶合器的变频调速技术
本专利技术属于液力偶合器
技术介绍
发电厂锅炉电动给水泵多为增速型液力偶合器驱动与调速。增速型液力偶合器的主要作用一是增速，二是调速。其主体结构基本是偶合器箱体、增速齿轮、输入轴驱动的润滑油泵与工作油泵、电动辅助油泵、泵轮、涡轮、工作油腔、勺管、调速机构、工作油路系统、润滑油路系统、油箱、工作油冷油器、润滑油冷油器、双筒滤网等组成。增速型液力偶合器的调速方法是容积调速法。所谓容积调速法（勺管调速）是指液力偶合器泵轮转速和负载特性都不变的条件下，改变液力偶合器泵轮与涡轮间工作油腔内充液量，也就改变了液力偶合器的输入输出特性，从而达到调节液力偶合器输出功率和转速的目的，这就是液力偶合器容积调速法。也就是勺管调速法。电动机与前置泵、液力偶合器及给水泵间的功率传递是由联轴器完成的。增速型液力偶合器的功率的传递方式是，电动机以1490r/min定速传递给增速型液力偶合器输入轴，经增速齿轮增速至泵论设计转速传递至泵轮，泵轮在泵轮轴的驱动下以泵轮设计转速定速运行，泵轮与涡轮间由工作油传递功率，电动机的转矩通过增速齿轮传递给泵轮，泵轮使工...
【技术保护点】
一种增速型液力偶合器的变频调速技术，其特征在于：在增速型液力偶合器泵轮与涡轮间工作油腔内充液量保持最大和负载特性不变的条件下，改变增速型液力偶合器输入转速，也就改变了增速型液力偶合器的输入、输出特性，从而达到调节增速型液力偶合器输出功率和转速的目的；这是本专利技术的理论基础。
【技术特征摘要】
1.一种增速型液力偶合器的变频调速技术，其特征在于：在增速型液力偶合器泵轮与涡轮间工作油腔内充液量保持最大和负载特性不变的条件下，改变增速型液力偶合器输入转速，也就改变了增速型液力偶合器的输入、输出特性，从而达到调节增速型液力偶合器输出功率和转速的目的；这是本发明的理论基础。2.根据权利要求1所述的增速型液力偶合器的变频调速技术，其特征在于：将增速型液力偶合器改造成通过液力联轴器连接的增速齿轮箱；具体实施方式是保持泵轮与涡轮工作油腔内充油量最大，滑差率最低，效率最高，即勺管固定在100%；此时，泵轮与涡轮相对固定，液力偶合器成了液力联轴器；增速型液力偶合器成了通过液力联轴器连接的增速齿轮箱。3.根据权利要求1所述的增速型液力偶合器的变频调速技术，其特征在于：在高压断路器与电动机之间配...
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