影响液压升降机效率的三个因素

Three factors affecting the efficiency of hydraulic elevator

一、阀门；液压升降机正常使用时，当液压油流经平台上的各种阀门和液压油的管道时，不可避免地会存在压力和流量的损失，而这些损失都与液压装置的选择是否合理有关。其他压力阀的压力也可以减少动力损失，压力阀应尽可能设置在较低的压力，只要能满足液压设备的正常运行即可。

1、 Valves; When the hydraulic elevator is in normal use, when the hydraulic oil flows through various valves and hydraulic oil pipelines on the platform, there will inevitably be pressure and flow losses, which are related to the rationality of the selection of hydraulic devices. The pressure of other pressure valves can also reduce power loss. The pressure valve should be set at a lower pressure as long as it can meet the normal operation of hydraulic equipment.

二、液压油；由于液压油有许多活动，在液压油的管道中移动时，它向前移动得越多，油的粘度就越大。液压升降机粘度过高时，会产生较大的内耗，液压油会升温升温，液压油的阻力变大，系统功率降低。当液压油的粘度太低时，只会导致泄漏，降低系统的体积功率。因此，应选择粘度合适、粘度和温度良好的油。此外，太长的管道和太多的弯头会增加液压油沿线的压力，并损失一部分压力，建议在规划管线时要注意这一点。

2、 Hydraulic oil; Because the hydraulic oil has many activities, the more it moves forward in the pipeline of the hydraulic oil, the greater the viscosity of the oil. When the viscosity of the hydraulic elevator is too high, it will produce large internal friction, the hydraulic oil will rise, the resistance of the hydraulic oil will increase, and the system power will be reduced. When the viscosity of hydraulic oil is too low, it will only lead to leakage and reduce the volume power of the system. Therefore, oil with proper viscosity and good viscosity and temperature should be selected. In addition, too long pipelines and too many elbows will increase the pressure along the hydraulic oil and lose part of the pressure. It is suggested to pay attention to this when planning pipelines.

三、电压；应用场所电压不稳定，会烧坏设备操作箱的电器元件，导致液压升降机无法控制。另外，频繁的电压不稳定会直接烧坏电机。如果上升后电机烧坏，压力系统失效，那么一些非正规厂家生产的设备就没有失压维护、超压维护、故障外观等保护装置，这将导致平台的坠落和事故的发生。

3、 Voltage; The unstable voltage in the application site will burn out the electrical components of the equipment operation box, resulting in the uncontrollable hydraulic elevator. In addition, frequent voltage instability will directly burn out the motor. If the motor burns out and the pressure system fails after rising, the equipment produced by some informal manufacturers will not have protection devices such as voltage loss maintenance, overpressure maintenance and fault appearance, which will lead to the falling of the platform and accidents.

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