過載閥 的英文怎麼說

中文拼音 [guòzǎi]
過載閥 英文
over load valve
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : 名詞1 (指在某方面有支配勢力的人物或家族) established house or power group; a powerful person or...
  1. Cylinder actuators can be provided with manual overrides for emergency valve actuation, fail safe mode and other accessories

    缸體執行機構可以配置針對緊急狀態下的手動裝置,門驅動,故障安全功能和其它附件。
  2. Then a vsc controller using on - off valve and two potentiometers are designed for cushioning control system. it can realize the balanced, no shock, no reversing cushioning. experiments under different air pressure, load mass are carried out, and the results prove that the vsc controller can be used in pneumatic cushioning

    第五章首先介紹了變結構控制的原理和應用發展情況,然後針對本實驗系統設計了一個使用開關和端位位移傳感器的變結構控制方案,實現緩沖程的平穩無沖擊和無回彈要求,並在不同氣源壓力、不同負質量下分析了控制性能的變化,實驗結果證明緩沖控制採用變結構控制是可行的,並具有很強的魯棒性。
  3. Then pid flow rate control algorithm is introduced. all experiments made in this chapter are about measuring the valve parameters according to spool positions, single actuator flow rate control by the calculated flow rate feedback control method, free flow rate dividing control under the sufficient pump discharge flow rate situation, proportion flow rate dividing and flow rate dividing based on meter - in flow rate feedback control method under insufficient pump discharge flow rate situation. the results of all experiments proved that the method presented in this thesis is an effective way to overcome the unreasonable flow rate dividing when simultaneously operating multi - actuators with different inertia loads

    第四章介紹了多執行器復合控制實驗系統和實驗方法;介紹了實驗採用的流量控制的pid演算法;並測定了執行器控制芯位移相關的系數;做了單個執行器計算流量反饋流量控制、流量足夠情況下多執行器流量任意分配、流量不足情況下多執行器按比例調節流量分配和多執行器進油側流量反饋分流控制實驗;通實驗說明了論文提出的分流控制方法能實現大小慣性負復合操作時的合理分流。
  4. Over loading protection for the solid state relay of wind valve controller

    控制器中固態繼電器的保護
  5. When the electrohydraulic push rod works, if the external force suffered by the piston rod is more than the setting output torque, the piston moves to the end ; oil pressure in the oil pipeline increases rapidly to the setting value, the safety valve overflows rapidly, to achieve overload protection

    電液推桿工作時,當活塞桿所受外力超調定的輸出力距活塞運動到終點;油路中的油壓迅速增高至調定值,安全迅速溢流,實現保護。
  6. According to theoretical analysis and experiments on the throttle control system, the quantitative relationship among the speed of executive element, the flow area of the throttle and the load is determined

    本文通對進油路節流調速系統的理論分析與試驗研究,闡明了執行元件的運行速度與節流的通流面積以及負之間的定量關系。
  7. Abstract : according to theoretical analysis and experiments on the throttle control system, the quantitative relationship among the speed of executive element, the flow area of the throttle and the load is determined

    文摘:本文通對進油路節流調速系統的理論分析與試驗研究,闡明了執行元件的運行速度與節流的通流面積以及負之間的定量關系。
  8. This dissertation put forward a new control scheme to improve the control performance of load simulator. this control scheme which can bring the merit of the two kinds of servo valves into full play, use a pressure servo valve and a flow servo valve to control loading system

    本文提出了壓力伺服和流量伺服控制方案,通與壓力伺服控制方案的對比,指出其特點,為減搖鰭加臺的設計提供了新方法。
  9. Features a modular design concept which facilitates complete maintenance and assembly by retaining the spring load. first and second check valve spring modules are not interchangeable

    特點在於模塊設計概念,通保持彈簧負促使日常維護和總成的完善。第一和第二止回彈簧模塊不能互換。
  10. Accorded to the experimental research, under different flow area of flow valve and different adjusted pressure of relief valve, conclusion that the regulation of the pressure p1, p2 in the two cylinder chambers varied with the change of step load were as follows : when the throttle valve was series - connected on the return oil - line in the metering - out control system, under the same flow area and the same adjusted pressure of relief valve, with the incremental quantity of step load, the pressure highly - adjusted capacity of the hydraulic cylinder chamber with piston - rod decreased, meanwhile, it ' s time of rise, time to peak and the governing time all decreased. while the pressure highly - adjusted capacity of the hydraulic cylinder chamber without piston - rod increased

    試驗研究得出系統在不同的流量開度、不同溢流調節壓力(進口壓力)下,液壓缸兩腔壓力p _ 1 、 p _ 2隨階躍負變化的規律:當出口節流調速系統的回油路上串接節流時,隨階躍負的增加,在相同流量開度、相同溢流調節壓力的情況下,液壓缸有桿腔壓力p _ 2 ( t )的超調量是減小的,上升時間、峰值時間以及調整時間也是減小的;液壓缸無桿腔壓力p _ 1 ( t )的超調量是增加的。
  11. Servo loading valve is the pivotal part of the system, it is designed again in this thesis, the mathematical model of the system and its control parts was established and built. the author deduced how the system parameters and control method influence the system dynamic state through theoretical analysis of the system. in addition, the dissertation introduces how to carry out protection in event of sudden break down of the system

    伺服加為整個系統的關鍵元件,論文進行了加的設計,其性能指標達到了理想要求,並完成了對系統關鍵元件及整個加系統進行了建模與模擬,通理論分析導出了系統結構參數和控制方法對系統動態性能及加精度的影響,並進行了系統誤差分析。
  12. The 775qt series features a modular design which facilitates maintenance and assembly by retaining the spring load. check modules are threaded into the valve adapter for leak proof operation

    775qt系列特點是模塊化結構,通保留彈簧負簡化維護和組裝。止回模塊通螺紋旋進門適配器內,提供無泄漏運行。
  13. In the light of significant energy losing during the hydraulic excavator working, a dynamic system was made up from the diesel engine, the variable pump, the control valve and the load to cut down the losing energy from a systematic approach based on the control characteristics of the system elements

    摘要針對液壓挖掘機在工作程中存在的大量能量損失,根據泵的控制特性曲線,將發動機、變量泵、控制及負作為一個動態系統來研究其節能問題。
  14. This paper analyses the type, function and characteristics of usual proportional control valves and raises a new modificative version in the light of their drawback. that is, basing on the principle of flow amplification and electrical feedback and throughout calculation and analysis on flow closed loop control and pressure flow combination., determination of the minimum controlled pressure difference as well as flow controlling range and structure of main valve and research of the dynamic and static characteristic, the paper puts forward control principle of " flow - load pressure change - displacement revision " and pressure / flow double closed loop, and further expounds that using a proportional controller and a electric mechanical transducer can separately serve the control function of pressure or flow as well as flow pressure combination

    本論文分析了目前常用比例的類型、功能、特性,並針對其不足提出新的改進方案,即:以流量放大,電反饋兩個原理為基礎,通對流量閉環控制及壓力流量復合的計算分析、確定上最小控制壓差及流量控制范圍,確定主結構、功能特性研究等,提出了「流量? ?負壓力變化? ?位移修正」的控制原理和壓力流量雙閉環控制原理,並進一步論述了利用一個比例控制器和一個「電?機械轉換器」就可完成獨立的壓力或流量控制功能以及流量壓力復合控制功能。
  15. In order to solve the problems that large energy consumption, temperature variation, high, cost trouble maintenance in current electro - hydraulic servo control system for material testing machine, a new design scheme that electro - hydraulic proportional control system for material testing machine based on extension control strategy is proposed. the design scheme is successful by means of designing new main frame system, hydraulic cylinder system, digital electro - hydraulic micro - fluid proportional valve and electrical control system, and its results lay a foundation for material testing machine industries in our country

    針對國內外材料試驗機主要採用電液伺服控制系統,存在能耗大、溫升、成本高、維護困難等問題,本課題提出了基於可拓控制策略的材料試驗機電比例負適應控制系統這一新型研究方案,通開發新型試驗機主機系統、液壓缸系統、數字式微小流量電液比例流量及電控系統,實現了材料試驗機電液比例負適應控制,為我國材料試驗機自動控制系統的產業化打下了基礎。
  16. That is, through analysis of the principle on flow control and " hydraulic transistor ", design and calculation of flow control characteristic as well as main parts in valve inner chamber, a piloted reducing valve will be installed between main valve and pilot valve. after a pressure - difference compensating reducing valve was added in the non - pressure compensating piloted reducing valve of the flow control valve in vlalvistor valve, the calculation on control characteristic emulation and load characteristic emulation has been carried out. the result of the calculation shows that after pressure compensating reducing valve was added, the linearity of the control characteristics has been greatly improved thus eliminating influence upon outlet flow by load pressure - change of the hydraulic system and improving performance characteristics of the hydraulic component

    文章還在對瑞典valvistor的插裝比例研究的基礎上,提出了一種新的流量控制原理,即:通對流量控制和「液壓晶體管」原理的分析、流量控制特性及內腔主要結構件的設計計算,在主和導之間增設先導減壓,並進一步對valvistor的流量控制之無壓力補償先導減壓、加入壓差補償減壓后的控制特性進行了模擬計算和負特性模擬計算,結果表明:增設壓力補償先導增壓后,其控制特性曲線變得非常線性,從而消除了液壓系統負壓力變化對主輸出流量的影響。
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