拉力螺栓 的英文怎麼說
中文拼音 [lālìluóshuān]
拉力螺栓
英文
stress bolt- 拉 : 拉構詞成分。
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 螺 : 1. [動物學] (軟體動物) spiral shell; snail; conch 2. (螺旋形的指紋) whorl (in fingerprint)
- 栓 : 名詞1. (可開關的機件) bolt; plug 2. (塞子) stopper; cork
- 拉力 : pulling; pulling force; thrust; traction; tension拉力表 draw bar [pull] dynamometer; 拉力測定儀 [...
- 螺栓 : bolt; screw bolt; threaded bolt
-
Ordinary bolt connecting bolts as a permanent use, when the design requirements or questions about its quality should be carried out when the smallest lag bolts kind complex load testing and the results were consistent with national standard 《 mechanical fasteners, bolts, screws and stud 》 ( gb3098 )
普通螺栓作為永久性連接螺栓使用時,當設計有要求或對其質量有疑義時,應進行螺栓實物最小拉力載荷復驗,其結果符合國家標準《堅固件機械性能、螺栓、螺釘和螺柱》 ( gb3098 )的規定。For reducing the disadvantageous influence of the the relaxation of strain and the lose of pretension on the structure, the time span of delaying scene torsional moment checx and accurate maintence method are given
為減少高強螺栓預拉應變鬆弛和預拉應力損失對結構的不利影響,給出了延遲現場扭矩檢測的時間區間和正確維護的方法。Abstract : by means of metallographical examination and sem, the microstructure characteristics, macro - and microfractographs of the brittle broken wheel hull bolt of bj212 automobile have been studied. the results show that the thin - headed screw, with excessively deep carbonitriding layer and hardening layer, has less resistance to brittle fracture in the thin area of its head. at the root of the head connecting the stem, a tensile stress may emerge owing to the non - even quenching stress. those are the two reasons for low torque fracture of bolt
文摘:藉助金相、掃描電鏡等手段對低扭矩脆斷的bj212汽車輪殼螺栓的金相組織特徵,宏觀和微觀斷口形貌等進行了研究,結果表明:這種頭部薄的螺栓,滲層和淬透層過深,使頭部薄區脆斷抗力降低,在頭部與桿的根部,由於淬火應力不均勻導致根部產生拉應力,均是導致螺栓低扭矩斷裂的原因。Direct tension indicators - specification for nut face and bolt face washers
直接拉力指示器.螺母面和螺栓面墊圈規范Metal construction. jointing by means of bolts with controlled tightening. calibration of torque wrenches
金屬結構.可控拉緊螺栓連接.扭力扳手校準As the bolt tension increase, the tension of rail web, stress of joint bar and stress of joint bolt would increase accordingly, but the displacement of rail would become smaller
螺栓扭矩增大,接頭區鋼軌軌腰拉力、夾板應力、螺桿內應力都會增大,而鋼軌位移會隨著螺栓扭矩的增大而減小。In order to predict high - strength bolts pretension and contact - friction in contact zone, status nonlinear in contact zone is adopted in fem model. the computation and analysis on the behavior of beam - to - column rigidity joints subjected to constant axial pressure on the top of column and cyclical load at tip of beam is carried out
實體模型的建立,考慮了接觸區的狀態非線性,以模擬高強螺栓的預拉力、螺栓連接區的摩擦接觸,對承受軸力的樑柱剛性連接方式在循環荷載作用下的滯回性能進行了計算分析。Using the general finite element programming package of ansys10. 0, the study of gabled frames beam - column end - plate connections is made, considering synthetically nonlinear ( material, geometry and contact ), bolt pretension forces and ratio of axial compression stress to strength. elastic - plastic finite element analyses are carried out among 28 species of 3 series under monotonic loads, in order to discuss the influence of parameters including stiffness of end - plate, bolt diameter, friction coefficients and so on
本文使用通用有限元軟體ansys10 . 0綜合考慮了三重非線性(材料非線性、幾何非線性以及狀態非線性)的影響,同時考慮了螺栓預拉力的影響,對考慮端板厚度、端板加勁肋的設置、螺栓直徑、摩擦系數等參數不同的3個系列(端板系列,螺栓直徑系列,摩擦系數系列) 28個試件進行了有限元數值模擬,對連接節點的性能進行了分析研究。A ballast intended to be supported only by rigid metal conduit, a fixture stud, or similar devices shall comply with the requirements in section 18, pullout, bending, and twisting tests
整流器只能由剛性金屬導管支撐,裝配螺栓或相似的部件必須符合18條,通過拉力、彎曲和扭轉測試。This paper studied the warp and stiffness of end - plate connection, and studied how the actual stiffness of end - plate connection influence stiff frame ' s displacement, and some design improvements are proposed. a methodology based on finite element modeling is used to establish strong bolted end - plate connection calculation model, and solved the interface between end - plates question and how to add bolt pretension when imitating end - plate connection ' s elastic material characteristic. through analyzing and comparing calculation results and experiment data, this paper summarized bolt force distribution, connection moment resistance, moment - rotation relationship and connection stiffness
筆者採用有限元方法,建立高強螺栓端板連接的計算模型,模擬了節點彈性階段的工作狀態,較好的解決了高強螺栓端板連接中的接觸面問題和螺栓預拉力的施加問題,通過對計算結果的分析以及與實驗數據的比較,總結出端板連接在彎矩作用下的螺栓拉力分佈規律、節點抗彎承載力及其影響因素,以及節點剛度特性及其對剛架性能的影響,同時,對端板連接受力變形性能也做了十分有益的分析,為輕鋼節點設計方法的改進提供了依據。Having analyzed the check result of the torsional moment on the scene of the big hexangular high - stength bolts conjuncted in the service based on the engineering example, the paper gives two reseans about the lose of pretension the earlier checking of the moment and the inaccurate maintenance method
摘要通過某工程實例,對在役大六角高強螺栓連接副現場扭矩復驗結果進行了理論分析,找出了高強螺栓預拉力損失的主要原因:一是現場扭矩檢測時間過早,導致預拉力損失不穩定,前期損失較多;二是使用中維護不夠。分享友人