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汽车车门防撞梁结构的分析与优化说明书论文,汽车,车门,防撞梁,结构,分析,优化,说明书,仿单,论文
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姣 涓 璁 璁紙璁 鏂囷級浠 鍔 涔 璁捐 锛堣 鏂囷級棰樼洰锛氭苯杞溅闂槻鎾炴缁撴瀯鐨勫垎鏋愪笌浼樺寲 瀛敓濮撳悕锛氶檰浠佹澃 瀛 鍙凤細 1204202018 涓 涓氾細杞締宸 鎵鍦 闄細鏈虹數宸瀛櫌 鎸囧 鏁欏笀锛氬崲鍐涢攱 鑱 绉帮細鍓暀鎺 鍙戜换鍔功鏃湡锛015骞2鏈0鏃浠诲姟涔鍐欒 姹 1锛庢瘯涓氳璁紙璁烘枃锛変换鍔功鐢辨寚瀵兼暀甯堟牴鎹悇璇鹃鐨勫叿浣撴儏鍐靛鍐欙紝缁忓鐢熸 鍦 涓 锛 櫌锛 瀵 瀛 鐢熸 浠诲姟涔 鍦 瘯 涓氳璁紙璁烘枃锛 濮 涓 骞缁欏鐢2锛换鍔功鍐 currency1鐢“ fifl鏁 功鍐欙紝涓 溅変功鍐欙 ”鏁欏姟 涓璁捐 鐨數瀛枃 紙鍙 鏁欏姟 涓锛 帮紝 佹 枃 鍙 浣 紝 1.5 紝 佹 鎵撳 鍦 涓 3锛换鍔功鍐鍐 鍐 锛诲瀛敓姣 璁捐 锛堣 鏂囷級 鐨 儏鍐 涓 紝 鍙 锛 鍦 涓氬 伙紙闄 級涓荤 棰嗗壒鍚庢柟鍙噸鏂板鍐欍4锛换鍔功鍐” 鍏斥滃 闄濄佲滀 涓氣濈瓑鍚嶇 鐨勫鍐欙紝搴fi啓涓 枃鍏 锛屼笉鑳藉啓鏁板瓧浠爜 傚 鐢熺 鈥滃 鍙封濊鍐欏叏鍙凤紝涓 兘鍙 啓鏈鍚浣嶆垨 1浣嶆暟瀛椼5锛换鍔功鍐呪滀富 佸弬鑰冩枃鐚 濈 啓锛 鎸夌収 婇噾闄鎶瀛櫌鏈 姣 璁捐 锛堣 鏂囷級鎾板啓瑙勮寖 嬬 佹 涔啓 6锛庢 鍏冲勾鏈堟棩绛棩鏈熺 啓锛 撴鐓 浗鏍嘒B/T 7408鈥4 婃暟鎹 厓鍜屼氦鎹忋佷俊鎭 氦鎹佹棩鏈熷鏃堕棿琛娉曘 佹 锛屼竴寰嬬敤闃挎媺浼暟瀛椾功鍐欍傚 鈥 002骞 鏈 鏃濇垨鈥 002-04-02鈥濄姣 涓 璁 璁紙璁 鏂囷級浠 鍔 涔 1锛庢湰姣 璁捐 锛堣 鏂囷級璇鹃搴旇揪鍒扮 鐩 锛 閫氳繃鏈 姣 璁烘枃 佹 瀛敓鑳藉鍒敤鏈 檺鍏冭蒋浠 姹借溅杞棬闃叉挒姊佽繘琛 垎鏋愪笌鐮旂锛 鐩 鍦 簬鍩瑰吇瀛敓缁煎悎鍒瀽鍜岃 鍐崇 鍏抽棶棰樼 鐙 宸 鑳藉, 撳 鍜 鐢熺 锛 鍏诲鐢熸 鐢 鏈 鏂 藉 璁捐 鎵 锛 繘琛 暟鎹 啓鎶鏈 枃浠 瓑鏂 鐨勫fl浣 兘鍔 浣 鐢熷吇 宸 佸,宸 浣 傚鏃currency1“ 繘琛岃 fifl 鍚 闄fl 鍚敓 宸鍜fl 鏈 樺涔” 宸 鏂 2锛庢湰姣 璁捐 锛堣 鏂囷級璇鹃浠诲姟鐨勫 瑰 佹 锛 濮暟鎹 佹 鏈 姹 佸fl浣 姹瓑锛細浠嬬杞棬闃叉挒姊 鑳 鍜 涔紝浠嬬姹借溅 挒 藉 fi 鍏敤 CATIA杞 缁樺杞棬闃叉挒姊 涓夌 锛 鍚 鍏 NSYS 搴fi 鍒瀽瀵瑰 鍒氬鏍 涓庢 佸垎鏋 氳繃浠 鍒瀽缁撴 锛 濊 涓 鐨 儏鍐 锛 鍙槻鎾炴 鐨 紝浣 鍙锛 鍚 鍏繘琛屼 熷垎鏋 閫氳繃浠 湡鍒瀽寰 鐨 fi 姹 紝 锛 鍚堣 鏂 鍐欒 紝宸 忓 瘯涓氳 璁枃 紝鍙欒堪娓”櫚 傚 鍏 璁畻鏈轰竴鍙帮紝CATIA 丄NSYS杞 锛 鍏虫枃鐚 鏍 洯缃戞湡鍒婄 鑾 姣 涓 璁 璁紙璁 鏂囷級浠 鍔 涔 3锛 鏈瘯涓氳璁紙璁烘枃锛夎 棰 鏋滅 佹 fi 浘琛佸鐗瓑 佹 曪細鎸湡 涓绡囩 鍚 噾闄鎶瀛櫌璁烘枃瑙勮寖鐨 瘯涓氳 璁紙姣 璁烘枃锛 .5涓囧瓧浠 锛苟闄 鍏崇 鍒瀽鏁嵁锛浘琛 級锛岃兘璇粏璇存槑鐮旂濊矾锛 兘鏈夌粨鏋勫畬鏁 紝鍚悊鍙 鐨 鏈 柟 堬鑳芥 鐩稿 鐨勮 璁 鏄庯紝 剧鍜 鏈 弬鏁拌 鏄庯紝 骞皢楠岃 缁撴 鍦 枃涓 垪恒4锛富 佸弬鑰冩枃鐚細 1犱紵. 鍩轰簬绠 鍨嬬 姹借溅闃叉挒姊佷 熶紭 禰J.鍐滀 瑁 涓庤溅 嗗fl嬶紝2010锛 锛細 16-20.2犳尟鏄 鍙樺帤搴 鍚堟潗鏂欐苯杞槻鎾炴 浼樺寲璁捐 鐮旂 D.婀 崡锛014.3鐜嬩笢 姹借溅鍓嶉棬闃叉挒姊 粨鏋勪紭 璁 D.鍝皵婊fl 瀛紝2009.4犱紵. 姹借溅挒鍙婇槻鎾炴 缁撴瀯浼樺寲鐮旂 D.瑗 崡 氬瀛紝2012.5鍐 厠寤 姹借溅杞棬闃叉挒姊 粨鏋 涗笌浼樺寲 D. 鍝皵婊fl 瀛紝2012.6鏉 彲. 姹借溅闃叉挒姊 缁撴瀯 鍒瀽鍙婁紭 朳J.涓 浗鏂 鏈 柊 搧锛013锛6锛133.7鏈辨兜 绠鏋愰摑鍚 噾姹借溅闃叉挒姊佽璁 J.绉戞 椋庯紝2014锛2锛35-37.8忕. 鍩轰簬鍒氬 厤鐨 苯杞繚闄闃叉挒姊佹 璁 J.宸璁捐 瀛姤锛015锛1锛細84-88.9鏉惓. 瀵苯杞 闂槻鎾炴 缁撴瀯浼樺寲璁捐 鐨勫垎鏋怺 J.娌冲崡绉戞 锛013锛8锛細73-74.10鐜 浼 姹借溅杞棬杞婚 挒 叏兘鐮旂D.簡 氬瀛紝2014.11鏅烘窇 姹借溅杞韩缁撴瀯涓庤璁 M. 椾含甯 鏈烘 宸 虹増绀 2014:292-317.12鐢檵 鐜颁唬姹借溅鏂 鏈 璁篬 M. 椾含甯 椾含 虹増绀2014:199-235.13鐜嬩紵. 鍩轰簬挒 叏 姹借溅杞棬杞婚 禰J. 椾含姹借溅,2014锛2锛細17-31.14闄浗 鍩轰簬鏈 檺鍏 姹借溅杞棬欐佸己搴垰搴 绠椾笌鍒瀽 D.鍝皵婊fl 瀛2009.15鐧芥槅 鍩轰簬鐑啿鍘 鍨 鏈 姹借溅鍓嶉槻鎾炴 璁捐 J.鎶鏈 仛鐒 2013,锛2锛24-29.姣 涓 璁 璁紙璁 鏂囷級浠 鍔 涔 5锛庢湰姣 璁捐 锛堣 鏂囷級璇鹃宸 璁 垝锛 2015.12.05-2016.01.15 畾閫 锛鍐欏 棰樿锛 寚瀵兼暀甯堜 鍙戜换鍔功锛 鐢熸 煡闃呰 棰樼 鍏冲弬鑰冩枃鐚 佽 鏂欙紝鎾板啓棰 姤 2016.01.16-2016.02.25“愪氦棰 姤 佸 鏂囧弬鑰冭 鏂欏 璇戞枃 佹瘯涓氳璁紙璁烘枃锛 濮瘯涓氳璁璁烘枃 ) 2016.02.26-2016.04.15鍏 璁捐 currency1柟 鏂 紝“愪氦姣 璁捐 锛堣 鏂囷級夌 锛鍐 鏈熸 2016.04.16-2016.05.05 璁烘枃 璁 鏄功 佸浘 瓑鏉 锛 瘯涓氳璁紙璁烘枃锛 畾 紝鎸囧 鑰佸笀 2016.05.06-2016.05.13“愪氦姣 璁捐 鏂 锛 鐢熷 囩 璇 鏁欏笀璇 瀛敓姣 璁捐 锛堣 鏂囷級 2016.05.13-2016.05.26鏍嵁瀛櫌缁熶竴 锛岃繘琛 瘯涓氳璁紙璁烘枃锛夌 鎵鍦 涓氬 瑙 細閫氳繃 細 2016 骞 1 鏈 22 鏃姣 涓 璁 璁紙璁 鏂囷級寮 棰 鎶 鍛 璁捐 锛堣 鏂囷級棰樼洰锛氭苯杞溅闂槻鎾炴缁撴瀯鐨勫垎鏋愪笌浼樺寲 瀛敓濮撳悕锛氶檰浠佹澃 瀛 鍙凤細 1204202018 涓 涓氾細杞締宸 鎵鍦 闄細鏈虹數宸瀛櫌 鎸囧 鏁欏笀锛氬崲鍐涢攱 鑱 绉帮細鍓暀鎺 2016 骞 1 鏈8 鏃 寮棰樻姤鍛婂鍐欒 姹 1锛庡紑棰樻姤鍛婏紙鍚 滄枃鐚 患杩扳濓級浣滀负姣曚笟璁捐 锛堣 鏂囷級绛旇京濮斿憳浼氬 瀛 敓绛旇京璧勬牸瀹煡鐨勪緷鎹潗鏂欎 涓 鎶 斿 鎸囧 鏁欏笀鎸囧 涓 姣 曚笟璁捐 锛堣 鏂囷級宸 鍓 鍐 缁 暀 鎵鍦涓氬 锛2锛庡紑棰樻姤鍛婂currency1瀹“fifl 宸 ”鏁欏 涓璁捐 鐨數瀛枃牸寮 帮 佹 鎵撳鍦 瀹涓婂鍓 锛 斿鏃缁 暀 3锛 滄枃鐚患杩扳 鎸 鏂 枃锛 锛 鎵撳锛 鏈 紑棰樻 姤鍛 涓 洰鍐 瀛敓鍐 枃鐚 患杩 鍙枃鐚 涓 5 囷紙涓 佹 鍐 級锛4锛 鏈 绛鏈 锛 撴” 嘒B/T 7408鈥4 婃暟鎹 厓鍜屼鎹牸寮忋佷俊鎭 鎹佹鏈 拰鏃堕棿琛娉曘嬭瀹氱 瑕佹眰锛屼竴寰嬬闃挎媺浼暟瀛椾功鍐欍傚 鈥 004骞 鏈 6鏃濇 鈥004-04-26鈥濄5 紑棰樻姤鍛婏紙鏂 尞缁艰堪锛瓧浣撹 鎸畫浣撱 皬鍥涘彿锛岃闂磋窛 1.5鍊嶃姣 涓 璁 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繘琛屼簡鎬粨锛熀鏈 鍚 枃鐚 患杩 鐗圭偣涓 姹傘 2锛庡 鏈 棰樼 娣 箍 宸 閲 鎰 鍜 璁捐 锛堣 鏂囷級缁撴灉鐨 娴 細 鏈 棰樻繁 箍 備 锛 浣滈噺 悎姣曚笟璁烘枃瑕佹眰锛涚杩囪 鐪 厖 嗗宸 锛 撹兘 鏈 瘯涓氳鏂囧 浣 3. 惁鍚屾 寮棰橈細鈭鍚屾 鈻涓悓鎰鎸囧 鏁欏笀锛 2016 骞 03 鏈 08 鏃鎵鍦涓氬 細鍚屾 璐熻矗 猴細 2016 骞 04 鏈 07 鏃毕 业 设 计（论 文）外 文 参 考 资 料 及 译 文译文题目：Development of natural gas vehicles 天然气汽车的发展 学生姓名： 陆仁杰 学 号： 1204202018 专 业： 车辆工程 所在学院： 机电工程学院 指导教师： 卢军锋 职 称： 副教授 2016 年 3 月 5 日Development of natural gas vehiclesAbstractThis paper describes the development of compressed natural gas vehicles (CNG) on environmental protection of low-pollution, security, economic and CNG cars and filling stations and prospects for the development of countermeasures.Key words: compressed natural gas vehicles; stations; development prospects;CountermeasuresAt present, Chinas major cities is a urban vehicle emissions a major source of air pollution, therefore, the development of clean energy vehicles have become the choice of the delay. Compressed natural gas vehicles (CNG) in their low energy consumption and emissions by all countries small and welcoming, is recognized internationally as the best alternative energy vehicle. The development of natural gas vehicle to address the environmental issues and energy issues are of great significance.First, the development of natural gas vehicle1. Development of foreign natural gas vehicleReduce pollution to protect the environment. many countries have issued a series of government regulations and the introduction of a number of incentive policies to promote the development of gas vehicle, such as the development of more stringent vehicleEmission standards, in the natural gas supply, car purchase taxes and fees, equipment supply, gas station construction grant funds, tax incentives.In 1992 the U.S. federal government enacted the “Energy Policy Act,“ or modified for the purchase of alternative fuel vehicles and the construction of stations in detail the provisions of the tax relief, but also enacted a tax cut that the use of natural gas and natural gas companies exempt from motor vehicle fuel sales tax. There are more than 40 states in accordance with the policy of the federal government, law, drawn up on the mandatory state and encourage the use of clean fuel CNG vehicles, such as policies and measures to promote the CNG filling station development and construction of motor vehicles. At present, more than 40 countries around the world have a gas car, mainly in the rich natural gas resources in Italy, New Zealand, Argentina, Brazil and other countries and stricter environmental regulations the United States, Japan and other countries. 2, Chinas Natural Gas Vehicle Development80 In the mid-20th century, the introduction of some of our CNG filling station equipment set up in Sichuans first CNG filling stations in China; in 1993 the China national Petroleum Corporation on the introduction of foreign technology systems in 1996 installations and will be filling stations modified car parts made of the introduction of technology, standardization of technical standards. 1999 National Clean Automobile Action Coordination Leading Group was established to start the Beijing, Tianjin, Shanghai, Xian, Shenzhen and other cities in 12 pilot areas to promote the application of clean energy in the popularization and application of CNG vehicles and filling stations has made unprecedented building results. According to relevant statistics, as of 2004 there were some areas of Chinas natural gas vehicle more than 20 million vehicles, more than 700 filling stations Block.Second, natural gas vehicle (CNG) fuel and other environmental and economic benefits comparedCompressed natural gas vehicles:20MPa compressed natural gas in the car to compressed natural gas cylinders in use by the supply of internal combustion engine after the pressure reducer.To CNG fuel for vehicles compared with gasoline has the following advantages:1 Reduce pollution and improve the atmospheric environment: natural gas is a clean energy, with a high calorific value, high efficiency, pollution, etc., the comparison is totally burned, not carbon deposition, CO, NOX and particulate emissions than gasoline,Significantly reduced exhaust pollution. Motor vehicle exhaust is the major source of urban air pollution, one of which is carbon monoxide harmful ingredients (C0), hydrocarbons (HC), nitric oxide (N0) and nitrogen dioxide (NO2) and so on. According to the data, the use of gas as a motor fuel and gasoline as fuel can reduce emissions compared to 90% CO, 90% S02, 72% HC, 39% NOX, 24% CO2, non-dust emissions, to improve the urban environment has a significant role in. A typical diesel engine and gasoline engine emissions and gas machine is shown in table l.2 CNG vehicles for a higher securityCompared with gasoline, compressed natural gas is a relatively safe fuel. (1) Natural gas explosion limit is 5% higher than gasoline (lower explosion limit for the one percent of hundred) high, methane ignition for 645 , ignition than gasoline high 218 , compared to not ignite. Low density of methane, the relative density of about 0.55, resulting in leakage of gas will soon be distributed in the air, in the case of the natural environment it is difficult to form a hot combustion conditions, once the compressed natural gas from the tank or pipe leaks, leak immediately surrounding the formation of low-temperature zone, so that the difficulties of natural gas combustion. Therefore is a fairly safe CNG motor fuel. Natural gas and fuel properties of gasoline are shown in table.Department of natural gas vehicle cylinder pressure vessel (20MPa), its materials and manufacture and testing in order that all States have strict control, in China therere “compressed natural gas cylinder vehicle standards) (GBl7258-1998).Cylinders fitted with explosion-proof facilities, pressure reducer, valves and other equipment, strict standards high, and gas supply system is safe and reliable and will not tip over due to vehicle collision or cause fire or explosion, and the petrol tank of motor vehicles department of non-pressure vessels, fire easily after the explosion.3 Will help ease the contradiction between energy supply and demand tensions.Chinas economy is in a stage of rapid development, the number of vehicles to 1 million / year above the rate of increase of a substantial increase in gasoline demand of resources, our need to import large quantities of crude oil per year, refined oil and LPG. Optimize the use of gas cars motor fuel supply structure has changed only motor fuel gasoline, diesel patterns, not only eased the problem of shortage of petrol and transport services to meet the needs of the development.4 Extend engine live. The spread of natural gas to the gas entering the engine, the engine easily and uniformly mixed air, burning the comparison is totally clean; can improve the thermal cycle efficiency, speed up the burning speed, full use of combustion heat; CNG octane number at the same time high performance uprising, when agents do not need to add the uprising will not dilute the lubricating oil, making the parts inside the engine.Cylinder greatly reduced wear and tear, so that the engine oil life and increase the use of the period. All of these vehicles will reduce maintenance and operating costs, thereby enhancing the economy of the use of vehicles.5 Have a higher economic efficiency. At present, domestic gasoline prices continued to rise, the price system and the world has been the use of CNG vehicle will be able to save nearly 40% of fuel costs, as shown in table 3.Third, CNG vehicle development prospectsCNG cars and filling stations will have broad prospects for development, mainly in the following aspects:1 Cars of the rapid growth of oil resources and environmental protection, the grim situation, the decision of the development of natural gas vehicles as a solution to energy issues and environmental issues an important way.2 “Eleventh Five-Year“ period, a new type of clean energy vehicles has been included in “long-term national science and technology development planning“, the state will continue to organize and implement a variety of clean energy vehicles of major scientific and technological projects, the focus of support, including natural gas vehicles, including vehicles, parts, etc., will further promote the development of natural gas vehicle.3 Large-scale developments of Chinas natural gas resources and pipeline construction to accelerate the pace of development of CNG and LPG filling stations make it possible. According to Chinas natural gas use planning, for nearly a decade, “West-East Gas Transmission“, “second Shaanxi-Beijing“, such as a large number of gas pipeline and gas pipeline along the cities has built large-scale use of natural gas in Chinas gradual improvement of infrastructure; natural gas filling stations will gradually form a network. 4, the development of CNG auto gas source with the stability of assurance to Tianjin as an example, at present, Tianjin has established a perfect system of natural gas transmission and distribution, from northern Shaanxi, Tianjin, North China Oil Field to supply, gas supply is nearly mid-2005 600 million m3, 2006 was projected to reach 800 million m3, the length of pipe network 6894km, of which high-pressure pipeline 591km, for the “Eleventh Five-Year“ period of Tianjin to develop large-scale construction of CNG filling stations car provides a guarantee.Fourth, CNG cars and filling stations to explore the development of countermeasures In order to speed up the use of natural gas as a clean fuel vehicle development, makes the following recommendations:1 The Government has introduced policies to encourage and support: the development of all countries in the world experience shows that government support is a necessary condition for accelerated development, the impact of its economic policy is an important factor in their development should be guaranteed in law, in the gas automobile production, modification, parts and components production, station construction, vehicle purchase and use of gas, maintenance and other aspects of pricing, taxation, investment, subsidies and other aspects of the preferential policies supporting. Gas prices affect gas vehicle development is an important factor, only the gas prices and gasoline prices when the difference is large enough to form, gas car before the development of an economic foundation and driving force.2 Strengthen leader ship, the implementation of unified management .The development of CNG vehicles the construction of high-quality, convenient filling stations, the need for planning, public security, fire safety, labor, technical support supervisor and other departments.3 In the municipal plan, filling stations and gas stations should be considered co-ordination, rational distribution and coordinated development. To make full use ofExisting land resources and in ensuring the environmental safety of oil and gas under the premise of building one station.4 Followed by motor cars and CNG filling stations in the simultaneous development of the principles, only in the stations into a network under the conditions, CNG vehicle can really develop. At the same timescale of only CNG car to a certain number, the normal operation of filling stations in order to achieve profitability.5 The strict legal system: the development of stringent vehicle emissions regulations, and make sure that standards are not road vehicles are determined not to be on the qualifications of CNG vehicle Modify-Factory critical examination, certification. First of all, the city should the city bus, taxi, as the focus of the development of CNG vehicle, bus stop some of the phenomenon of black smoke pollution of the environment.6 Step up publicity. At present, natural gas car is still at the initial stage, the public nature of its environmental protection, safety, economy, reliability, do not fully understand, so, it is necessary to carry out a wide range of social advocacy, efforts to increase awareness of the dangers of automobile exhaust, to make people aware of CNG is a clean, safe and economical fuel, so that the development of natural gas vehicles have been recognized by all sectors of society and support.Compressed natural gas vehicles because of its remarkable economic and social benefits the development of the natural gas market will become a new field of applications. More and more importance in the environmental protection situation, along with natural gas resources in the area of the development and application of the widening, which will reduce the environmental pressure, is to ease the oil shortage and achieve sustainable development of a reliable guarantee.天然气汽车的
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