重鋼軌 的英文怎麼說
中文拼音 [zhònggāngguǐ]
重鋼軌
英文
heavy rail-
Iron and steel products. hod - rolled. 46 kg m flat bottom ralway rail and fishplate
鋼鐵產品.熱軋制.每米46kg重平底鋼軌和魚尾板Iron and steel products. hod - rolled. 55 kg m flat bottom railway rail and fishplate
鋼鐵產品.熱軋制.每米55kg重平底鋼軌和魚尾板Recently, with the development of railage, passenger transport, freight and the density of train have increased mostly. it results in rail - wear day after day, especially the side rail - wear. so the ministry of railway has been taking the situation of rail into account greatly to insure train and rail safely
近年來隨著鐵路重載運輸的大力發展，客貨運量和行車密度大幅度增長，從而導致鋼軌磨耗日益嚴重，尤其是曲線鋼軌的側面磨耗急劇上升，因此鐵路工務部門十分重視對鋼軌傷損情況的檢測，以確保行車的平穩性和安全性。Standard specification for carbon steel crane rails
起重機用碳鋼軌條的標準規范Therefore, it is very important to research on - line quality diagnosis technique in rail flash butt welding process systematically
因此，系統開展鋼軌閃光焊質量在線診斷技術研究十分重要。This paper discusses aluminium heat welding principle, the application of aluminium heat welding technology in welding crane rails and infect of long rail temperature stress on buildings
摘要介紹了鋁熱焊原理及其焊長鋼軌技術在焊接起重機軌道中的應用，並對長鋼軌溫度應力對建築物的影響進行了深入分析。Recently, train is running faster and faster, and considering the stability and security, seamless welded rails ( swr ) are used as the train orbits gradually. the temperature of the rails will vary with weather. so that the rails may release the energy due to the metal characteristic of expanding or contracting with temperature, there is some badly distortion in the swr, worsly occurring accidents on expanding orbits. the portrait thermal stress ( pts ) of the swr should be monitored in some parts regularly, as to avoid such accident
近年來，隨著火車的提速造成的穩定和安全問題，軌道逐步轉為採用無縫焊接鋼軌，隨著鋼軌溫度的變化，無縫鋼軌可能會因為熱脹或冷縮的金屬特性並且在扣件阻力小而且路基較差的路段釋放能量，可能會發生鋼軌嚴重變形，更甚者會發生脹軌跑道等嚴重鐵道事故，為了避免發生如此事故，有必要定期對鋼軌的溫度應力進行檢測。Using vogel ' s wear index as the rail side wear index, the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary, analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically. this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990, then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear. in the end, some measures for regarding the side wear on curves are put forward
從輪軌摩擦、輪軌接觸幾何關系、輪軌接觸應力和輪軌蠕滑等方面對鋼軌側面磨耗機理進行了探討，從軌道幾何參數、機車車輛運營條件等方面對鋼軌側面磨耗的影響因素進行了重點分析和總結；應用輪軌系統動力學，建立了輪軌空間耦合振動時變模型，採用vogel側磨指數作為鋼軌側磨指標，系統分析了輪軌參數變化的情況下，軌頭側面磨耗的變化規律，重點分析了軌道不平順對鋼軌不均勻側磨的影響；對山海關工務段1990年以後現場測得的曲線鋼軌側磨數據進行了分析，通過擬合得到了鋼軌側磨量與運量的關系曲線，並總結了曲線上股鋼軌側面磨耗的特徵和發生、發展規律；最後提出了一些減緩曲線鋼軌側面磨耗的措施。In order to be more typical and practical, the theses pays more attention to analyzing the quality control of the rail - girder factory of panzhihua steel - iron company. the factory is a highly automatic and mechanized heavy rolling mill. it has been practicing a relatively effective quality control for about 20 years
為使文章更具代表性和實用性，本文著重分析了攀鋼軌梁廠的質量控制，攀鋼軌梁廠作為一家機械化、自動化程度較高的大型軋鋼廠其質量控制工作已經開展了20多年，應該說是比較成熟的。Specification for tyres for crane rail wheels - forged or rolled steel double flanged rail wheels and tyres metric units
起重機軌輪用輪箍規范.第2部分:鍛制或軋制雙法蘭鋼軌輪與鋼輪箍The surface spalling and fatigue failure may occur after a long time of service, during wheel - rail rolling contact
摘要鋼軌鋼的接觸疲勞一直為鐵路運輸部門和研究機構所重視。This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based
本文的研究工作重點在無縫焊接鋼軌溫度應力測量系統的理論模塊，包括根據snell原理，研究極限折射縱波的激發機理，並使用有限元軟體ansys進行模擬;根據聲彈性理論以及公式推導出計算無縫焊接鋼軌中的溫度應力的公式，並對其中參數的求解方法進行介紹;根據收集的資料，介紹了三種使用極限折射縱波測量無縫焊接鋼軌溫度應力的方法，即固定距離測量聲時法、臨界角折射法和頻譜分析法，本實驗系統使用的是第一種;根據實驗經驗以及相關資料，分析了影響極限折射縱波測量溫度應力的幾個因素，並提出了相應的解決方法;根據實驗系統的需要，獨立設計並加工出相關配套的實驗設備，包括實驗鋼塊、有機玻璃楔塊、固定件、載荷外框裝置等。Light and heavy bridge type railway rails
輕型和重型橋梁式鐵路鋼軌Specification for railway turnouts for private users - heavy grade turnouts over which british railways locomotives do not operate, for axle loads which may exceed 25 tons, using flat bottom rails
私營鐵路道岔規范.第4部分:英國鐵路機車不運行的軸負荷可超過25噸的重型平底鋼軌岔道So, it is very important for the maintenance security of the rail and railway to measure rail - wear precisely and speedily and this problem is still an important research subject of which the ministry of railway in every nation has to be in face
鋼軌磨耗是否超限直接決定鋼軌是否被更換或打磨，因此，精確地測量出磨耗值對于鋼軌的維護及行車的安全是非常重要的。如何精確而高效地測量出鋼軌磨耗一直是國內外鐵道部門的一個重要的研究課題。Since several years, with the speed rising and 5000t heavy haul train running, the problem of rail side wear on curves stand out increasingly
近年來，隨著列車提速和5000t重載列車的開行，鋼軌側面磨耗的問題更顯突出。Hanyang iron works was the only rail - making enterprise in early modem china as well as the only representative of realizing heavy industrialization through introducing foreign modem iron and steel technology into china
摘要漢陽鐵廠是我國近代唯一的鋼軌製造企業，也是我國以現代鋼鐵技術引進來實現重工業化早期的唯一代表。Iron and steel products. hot - rolled. 30 kg m flat bottom railway rails and fishplates
鋼鐵產品.熱軋制.每米30kg重平底鋼軌和魚尾板Railway track construction and maintenance plant. levelling and layout maintenance of tracks. tamping, trimming and re - stocking heavy mechanical
鐵路建造和維護設備.鋼軌的水準測量和敷設施工.重型機械壓型修整和重新裝料The results show that the bottom area of the steel rail is rolled severely during rolling process, and thus resulted in the local plastic deformation, hardening and concentration of inclusions in the bottom area, leading to the premature fracture of the steel rail
分析認為：鋼軌在軋制過程中軌道底部區域收到嚴重碾壓，產生了局部塑性變形和硬化，局部區域夾雜物集中，導致鋼軌斷裂。分享友人