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1、外文资料CST controllable actuation system (1) CST installment outline: CST is one kind of new integration of machinery product, it of many machine speed reducer gear, wet linear coupling, hydraulic control system composition.It specially for the smooth starting, ships the big inertia load, like the long

2、 distance, the great transportation amount leather belt conveyer designs.The CST output torque has the hydraulic control systems control, it the hydraulic pressure pressure which adds along with the coupling on changes.The operator may according to the need, the acceleration curve and the starting t

3、ime which needs through the controller establishment.After receives the activating signal, the electrical machinery idling starts, after achieved the rated speed, the hydraulic system starts to increase the coupling response plate system the pressure.When responded when scrutinizes the interaction,

4、its output moment of force will be proportional with the hydraulic system pressure.Installs on the output shaft the velocity generator, examines the rotational speed and feeds back for the control system, this rate signal will compare with the control system hypothesis family velocity curve, its int

5、erpolation will use in adjusting the response plate pressure, will guarantee the stable acceleration slope.In the starting process, the quantity of heat which the coupling slippery difference will produce by the class after responded the plate the refrigerant will carry off and after the heat-exchan

6、ge system radiation.The refrigerant, the reduction gear lubricant as well as the hydraulic control system hydraulic fluid uses the same oil.Responded the plate system is a linear wet coupling.Transmits the output shaft the moment of force completely by the pressure control valve pressure control.In

7、the acceleration process, the coolant oil through responds on the plate the trench the hot measuring tape to the heat interchanger radiation.The control system real-time examination output speed of spindle and adjusts the hydraulic system pressure to protect the acceleration slope as necessary which

8、 the track requests. Is different with the fluid strength coupler, in the stable movement stage, the CST response plate hydraulic brake equally completely locks in likely, this time, does not have the slippery difference, does not have the efficiency loss.A leather belt may by a Taiwan Telegraphic T

9、ransmission motive and a CST actuation, also may actuates by the multi-Taiwan Telegraphic Transmission motive and multi-Taiwan CST.Before the drive motor starts in the belt fastener, this time the CST output shaft maintains motionless, when the drive motor achieved when full rotational speed, the co

10、ntrol system increases on each CST coupling gradually the hydraulic pressure pressure, starts the belt fastener and accelerates gradually to the full speed.This enables the belt fastener in accelerates to have to the full load speed in front of slow and the even pre-stretch process.The rise time may

11、 according to need to carry on the adjustment in the stipulation scope.The starting drive motor may start according to the smooth idling, therefore the electric motor surge current is extremely small.But because the drive motor may carry on the choice according to the movement load not to need to ac

12、t according to the starting load choice, therefore the CST actuation system may select the power small electric motor.Same CST also may control the belt fastener the start such to control the belt fastener likely the parking, may reduce through the extension stopped time to the adhesive tape dynamic

13、 impulse.When in the actuation system has multi-Taiwan CST, the control system also may guarantee each actuation electrical machinery share same load.The reasonable power balance may lengthen the entire actuation system various parts effectively the life.The power balance is through controls each CS

14、T coupling the pressure, and permits, but in the system any load increase which or a several CST coupling carries on slips slightly realizes all causes coupling slipping, namely occurrence “soft locking”. When the coupling is locked softly any instantaneous overload or the impact load will all cause

15、 coupling slipping, like this will actuate the system all parts, the bearing and the gear and so on all when the impact or the overload will receive the protection to lengthen its service life.(2) CST actuation system: As CST core part wet linear parallel shaft type CST is two level of speed reducer

16、 gears, the level is foreign agglutination skewed tooth cylindrical gears, second level for planet gear train.The input axis and the electrical machinery joint, the output shaft and the load (belt conveyer actuation drum) docks.The coupling is turns on lathe the rotor and the static piece by many ov

17、erlapping, folds gathers becomes, turns on lathe the rotor group after the external gear spline and the planet gear train in tooth ring joint, the static piece group with fixes after the annular gear spline on the reduction gear a key set of joint, the coupling movement by the ring-like hydraulic cy

18、linder operation, composes a moment of force transmission system.When the electrical machinery starts, the hydraulic system to the coupling hydraulic cylinder compression, does not turn on lathe between the rotor, the static piece has the big gap, turns on lathe the rotor the rotation not to be bloc

19、ked, in the tooth ring may the free rotation, the planetary gear only be able the rotation.The planet carrier and the output shaft are motionless, thus achieves the no-load starting the goal.The electric motor after achieved but the rated speed, turns on lathe on the rotor, the static piece through

20、the ring-like hydraulic cylinder to the coupling pressurizes, causes the coupling to turn on lathe the rotor and the static piece approaches mutually in respective spline top roll to the displacement, when the ring-like hydraulic cylinder pressure causes to turn on lathe the rotor and the static pie

21、ce extrude mutually, the static piece causes to turn on lathe the rotor and the inner loop speed reduces, reduces along with the inner loop speed, the output shaft speed speeds up.When the inner loop rotational speed reduces to the zero hour, the output shaft will achieve the normal rated speed. Nee

22、ds specially to point out, CST is one kind of liquid coherent velometer (name mounts stagnates coupling, lubricant film coupling), it is through the change clutch disc spacing achieved the shearing force between change stickiness liquid changes the driving moment, transmits on the output shaft the m

23、oment of force is through the pressure variation control.中文翻译CST可控驱动系统(一)CST装置概述:CST是一种新型机电一体化产品,它由多机齿轮减速器、湿式线形离合器、液压控制系统组成。它是专门为平滑起动、运送大惯性载荷,如长距离、大运量的皮带输送机而设计的。CST的输出扭矩有液压控制系统控制,它随着离合器上所加的液压压力而变化。操作者可根据需要,通过控制器设置所需要的加速度曲线和起动时间。在收到起动信号后,电机空载启动,达到额定速度后,液压系统开始增加离合器反应盘系统的压力。当反应盘相互作用时,其输出力矩将与液压系统的压力成正比。

24、装设在输出轴上的速度传感器,检测出转速并反馈给控制系统,该速度信号将与控制系统设定的家速度曲线比较,其差值将用于调整反应盘压力,确保稳定的加速度斜率。在起动过程中,离合器滑差所产生的热量将由流经反应盘的冷却液带走并经热交换系统散热。冷却液、减速器润滑液以及液压控制系统的液压油采用相同的油。反应盘系统为一线性湿式离合器。传递到输出轴的力矩完全由压力控制阀的压力控制。在加速过程中,冷却油通过反应盘上的沟槽将热量带到热交换器散热。控制系统实时检测输出轴转速并随时调整液压系统压力以保护跟踪所要求的加速度斜率。与液力偶合器不同,在稳定运行阶段,CST的反应盘像液压制动器一样完全锁住,此时,不产生滑差,没有效率损失。一条皮带可以由一台电动机及一台CST驱动,也可以由多台电动机及多台CST驱动。驱动电动机在皮带机起动之前,此时CST的输出轴保持不动,当驱动电动机达到满转速时,控制系统逐渐增加每台CST离合器上的液压压力,起动皮带机并逐渐加速到满速度。这使得皮带机在被加速至满载速度之前有一个缓慢而均匀的预拉伸过程。加速时间可以根据需要在规定范围内进行调整。起动驱动电动机可以按顺序空载起动,所以电动机的冲击电流非常小。由于驱动电动机可以根据运行

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