查询词典 cam-operated switch

Some key part is ameliorated to meet the demands of working. This thesis mainly includes:(1) Analysing the working principle of the spring operateing mechanism, expatiating the character of the mechanism;(2) With the design aim of the spring operating mechanism, accomplishing the design of ZW□-12/630-20 outdoor HV vacuum breaker based on the systemic design theory of the spring operating mechanism, which includes spring mechanism of open-close switch; cam mechanism based on the principle of power balance; buckle-off mechanism with force-minished device; ratchet wheel mechanism with number-increased detent;(3) In the design on the spring operating mechanism for the outdoor vacuum breaker, using the air cushion device with speed controller to ensure the steady working of the spring operating mechanism;(4) Accoding the problem of daily maintenance for HV circuitbreaker, giving some effective steps of daily maintenance.

论文工作主要包括以下几个方面：(1)从真空断路器弹簧操动机构的功能原理出发，详细分析了该机构的工作原理，阐述了机构工作的基本特性；(2)根据工程实际提出了真空断路器弹簧操动机构的设计目标，在系统分析弹簧操动机构设计理论的基础上，完成了ZW□-12/630-20型户外真空断路器弹簧操动机构的设计工作，其中包括真空断路器弹簧操动机构的分合闸弹簧机构的设计；以输出力特性曲线设计机构理论演化出的功率平衡原则为基础的凸轮机构的设计；带有减力机构的滚动摩擦扣结方式的脱扣机构设计；根据实际情况增加了棘爪数量的棘轮机构设计；(3)在真空断路器弹簧操动机构的设计中，引入了速度控制模式空气缓冲器，对惯性负载起到了良好的自动缓冲效果，从而保证了真空断路器弹簧操动机构稳定、有效地运行，保证了真空断路器的动作质量；(4)针对目前真空断路器运行过程中存在的问题，提出了有效的日常维护措施。

Somewhere in-between, the engine would switch from one cam to the other.

在此之间的任何转速，发动机都能够在这两个凸轮之间相互转换。

Two additional switch and cam sets or a standard 1K potentiometer with 4 –20 mA output signal may be added for more sophisticated sensing.

两个辅助开关和凸轮套件或一个标准1K电位器，4-20 mA输出信号，可以增加更加丰富的检测感受功能。

Since then the plunger would also like to uplink, when the protruding part of the cam switch over, in the spring under the plunger and the downlink.

此后柱塞还要上行，当凸轮的凸起部分转过去后，在弹簧的作用下，柱塞又下行。

This paper introduces the application of the programmable controller,the direct current velocity modulation system,the frequency inverter and the electronic cam switch in chamfering machine.

介绍可编程控制器、直流调速系统、变频器、电子凸轮开关在倒棱机中的应用。

The automatic control and the velocitymodulation systemofchamfering machine involve programmable controller,DC speed regulating system,frequency converter and the electronic cam switch .

倒棱机的自动控制与调速系统涉及可编程控制器、直流调速系统、变频器、电子凸轮开关等自动化设备，这些自动化设备之间协调配合非常重要。

Working Principle: When the tape transport at the scene of emergencies affecting in any position along the line in the wire rope hanging ears, forcing cam rotating machine and computer-driven switch action, issued a shutdown signal to shutdown the effect of the expansion of the Prevention of Accidents.

工作原理：当胶带运输机现场紧急事故时，在沿线任意位置牵动系在挂耳上的钢丝绳，迫使机内凸轮转动而驱动微机开关动作，发出停机信号，达到停机效果，防止事故的扩大。

When the protruding part of the cam switch over, the role of force in the spring, the plunger downward movement, the upper plunger space have a vacuum, when the plunger on the end to put the plunger into the After the open hole, filled with oil in the upper body inside pump diesel pump oil through hole into the room, plunger movement to the next stop point, the end into the oil.

当凸轮的凸起部分转过去后，在弹簧力的作用下，柱塞向下运动，柱塞上部空间产生真空度，当柱塞上端面把柱塞套上的进油孔打开后，充满在油泵上体油道内的柴油经油孔进入泵油室，柱塞运动到下止点，进油结束。

Torque control mechanism: Uses the worm bearing adjuster axial to flee moves, on the worm shaft is loaded with the small dish reed, flees the worm bearing adjuster axial moves through the crank drive to the torque axis, again touches the switch through the cam the principle.

4转矩控制机构：采用蜗杆轴向窜动，蜗杆轴上装有碟簧、把蜗杆的轴向窜动通过曲柄传动到转矩轴，再通过凸轮触动开关的原理。

Adjust cam of the height limiter beside the hoisting drum, so as to hook the limited height(the point of the root of tower crane jib frame should reduce 2.5m, it's the limited height), enable the limit switch, the hook can not hoist, then if the hook can't act, then start it again just load onto the ground.

2调整起升卷筒旁边高度限位器中的凸轮，使吊钩达到预定的极限高度(起重机臂架根部铰点高度减去 2.5 米，即为预定极限高度)时，限位开关动作，吊钩不能上升，再启动时只能下降。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。