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液压升降平台液压系统的组成及其作用
发布时间：2020-08-17 浏览次数：
次
作者：博威液压机械
作者：博威液压机械
液压系统是液压升降平台的动力系统，是液压升降平台最关键的构成，掌握升降平台液压系统的构成及各一部分的功效，用有助于人们更全方位的掌握和维护保养液压升降平台。
液压升降平台液压系统一般由驱动力元件、实行元件、操纵元件、輔助元件和液压油五绝大多数构成：
1、驱动力元件关键就是指液压油泵，它的功效是把传动装置的机械动能转化成液工作压力能，给全部液压系统出示驱动力，是全部液压系统的驱动力一部分。依据构造方式，液压油泵一般分成齿轮油泵、轴向柱塞泵、齿轮泵、螺杆泵。升降平台中常见双极汽油泵，根据与液压换向阀操纵，能保持升降平台速率操纵。
2、实行元件关键指液压缸和油马达，根据油马达驱动器汽油泵，把机械动能转化成液工作压力能，根据液压缸把液工作压力能转换成机械动能，能够那样说，液压油缸和油马达是能量转换的专用工具，在其中，液压缸做匀速直线运动，电机做转动健身运动。液压油缸和电机在恒多方面上危害力液压升降平台的升高速率。电机速率越来越快、液压缸越小，升降平台升高速率越来越快。
3、操纵元件关键操纵液压机系统软件中液压油的工作压力、总流量、和方位。操纵元件包括工作压力控制阀、总流量阀控制阀和方位控制阀（别称液压换向阀）等。工作压力控制阀又分：调速阀（阀门）、调压阀、顺序阀、工作压力控制继电器，工作压力控制阀关键起维护、监测(查验并检测)功效，避免液压系统过压毁坏，在升降平台液压系统中，常见的工作压力控制阀是调速阀，关键起限定升降平台超重的功效。常见总流量阀包含：溢流阀、调节阀门（比例阀）、分离和集流控制阀。液压机升降机平液压系统常见的调节阀和分离阀，调节阀（比例阀）一般是根据操纵磁铁线圈的电流量或工作电压来控制阀门开启度，超过调节液压油总流量的目地，最后保持调整升降平台速率。分离阀常见于一台污水处理厂操纵几台升降平台升降机的场地，关键是保持几台升降平台同歩升降机。方位控制阀包括：单边控制阀、单向节流阀、梭阀、液压换向阀等，升降平台常见的方位控制阀是液压换向阀，关键用于转换燃油管，保持液压油调速。液压升降平台的液控制系统元件的关键功效是调整液压油总流量、调节液压油流入、维护液压系统安全性等功效，最后保持速率操纵和升降机转换。
4、輔助元件是除所述三一部分之外的其他元件，包含气压表、油过滤器、储能设备、冷却塔、管材、高压球阀、快插接头、塑料软管总程、测压接头、管夹及汽车油箱等，管材包括:各种各样三通接头(扩口式、焊合、卡套式接头式,法兰盘），輔助元件在液压系统中一样十分关键。液压管接头的归类:液压胶管、高压球阀、用意奇的快插接头、卡套式管接头、焊接式管接头、高压软管。液压管接头和一般三通接头的区别较大的最明显的差别的就是说液压机的工作压力是大的令人震惊的，液压油管忽然崩裂油的撞击力是挺大的。
5、液压油，液压油是液压系统能量转换和传送比不能少的工作中物质
The hydraulic system is the power system of the hydraulic lifting platform,and is the most important component of the hydraulic lifting platform.Mastering the composition of the hydraulic system of the lifting platform and the efficacy of each part is helpful for people to master and maintain the hydraulic lifting platform in an all-round way.
The hydraulic system of hydraulic lifting platform is generally composed of driving force element,implementing element,control element,auxiliary component and hydraulic oil
1.The key of the driving force component is the hydraulic oil pump.Its function is to convert the mechanical kinetic energy of the transmission device into the hydraulic working pressure energy,and show the driving force to the whole hydraulic system,which is a part of the driving force of the whole hydraulic system.According to the structure,the hydraulic oil pump is generally divided into gear oil pump,axial piston pump,gear pump and screw pump.The common bipolar gasoline pump in the lifting platform can maintain the speed control of the lifting platform according to the operation with the hydraulic directional valve.
2.The key to implement the components refers to the hydraulic cylinder and oil motor.According to the oil motor driving the gasoline pump,the mechanical kinetic energy is converted into the hydraulic working pressure energy,and the hydraulic working pressure energy is converted into mechanical kinetic energy according to the hydraulic cylinder.In that way,the hydraulic cylinder and the oil motor are special tools for energy conversion,in which the hydraulic cylinder does uniform linear motion,and the motor does rotary fitness exercise.Hydraulic cylinder and motor are harmful to the rising rate of hydraulic lifting platform in many aspects.The motor speed is faster and faster,the hydraulic cylinder is smaller and smaller,and the lifting platform speed up rate is faster and faster.
3.The key control element controls the working pressure,total flow rate and orientation of hydraulic oil in the system software of hydraulic press.The control elements include working pressure control valve,total flow valve control valve and azimuth control valve(also known as hydraulic directional valve).The working pressure control valve is divided into:speed regulating valve(valve),pressure regulating valve,sequence valve,working pressure control relay.The key function of working pressure control valve is maintenance and monitoring(inspection and detection)to avoid damage of hydraulic system overpressure.In the hydraulic system of lifting platform,the common working pressure control valve is speed regulating valve,which plays a key role in limiting the overweight of lifting platform.Common total flow valve includes:relief valve,regulating valve(proportional valve),separation and collection control valve.The regulating valve(proportional valve)generally controls the opening degree of the valve according to the current or working voltage of the magnetic coil to exceed the target of regulating the total flow of hydraulic oil,and finally maintain the speed of the lifting platform.The separation valve is often used in a sewage treatment plant where several lifting platform elevators are operated.The key is to keep several lifting platforms in step.Azimuth control valve includes:single side control valve,one-way throttle valve,shuttle valve,hydraulic directional valve,etc.the common azimuth control valve of lifting platform is hydraulic directional valve,which is used to convert fuel pipe and keep hydraulic oil speed regulation.The key function of the hydraulic control system components of the hydraulic lifting platform is to adjust the total flow of hydraulic oil,regulate the flow of hydraulic oil,maintain the safety of the hydraulic system,and finally maintain the speed control and elevator conversion.
4.The auxiliary components are other components besides the three parts,including barometer,oil filter,energy storage equipment,cooling tower,pipe,high-pressure ball valve,quick plug-in joint,total range of plastic hose,pressure measuring joint,pipe clamp and automobile oil tank,etc.,and the pipe materials include various three-way joints(flaring type,welding type,ferrule type,etc.),Flange),auxiliary components in the hydraulic system is also very important.Classification of hydraulic pipe joints:hydraulic hose,high-pressure ball valve,special quick plug-in joint,ferrule pipe joint,welded pipe joint and high-pressure hose.The most obvious difference between the hydraulic pipe joint and the general tee joint is that the working pressure of the hydraulic press is large and shocking,and the impact force of the oil pipe suddenly cracked is very large.
5.Hydraulic oil,hydraulic oil is the hydraulic system energy conversion and transmission ratio cannot be less than the working material
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