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1、机械设计基础（第五版）课后习题答案(完整版)杨可竺、程光蕴、李仲生主编高等教育出版社1-1至1-4解机构运动简图如下图所示。 图1.11题1-1解图 图1.12题1-2解图 图1.13题1-3解图 图1.14题1-4解图200Yuan,constructionpersoninchargeafineof50Yuan.(8)nopermittoworkandthejobinaccordancewiththeprovisions,onthejobun
2、itfined300yuan,theunitwillchargeafineof100Yuan.7.5.3accidentpenalties(1)injuriesfatalitiesdirectlypunished1~2million.Directresponsibilityfortheaccidentandhavethecorrespondingresponsibilityofleadership,suchasconcerningadministrativesanctions,shouldbebroughttothecompanyorthe
3、relevantDepartment.(2)personalinjuryaccidentoccurred,thedirectpunishment0.5-10,000yuan,responsibleforthedirectresponsibilityfortheaccidentandtheresponsibilityofleadership,suchasconcerningadministrativesanctionsshouldbedealtwithbythepersonnelDepartmentofthecompany.(3)person
4、alinjuryaccidentoccurs,thedirectpunishment500-1000,whoisdirectlyresponsiblefortheaccidentresponsibility,givenoticeofcriticismand50-100economicsanctionsagainstthem.(4)toconcealtheaccident,reportedwithoutunduedelayorfalse,toinformtheadministrativeleadershipofthecriticism,res
5、ultinginseriousconsequences,thepursuitofleadership,alongwith500-1000punishment.(5)significantnearmissshouldbeattemptedasthecaseofresponsiblefortheaccidentandconstructionteaminjuriesaccidentpenaltyprovisions,mutatismutandis.Eight,shouldperformintheconstructionstandardsandsp
6、ecifications,serialnumbera1GB3323-2005steelfusionweldedbuttjoints,weldingengineering-Raylightingandqualityratingof2GB11345-89steelweldsmanualmethodsofultrasonicinspectionandtestingresultsforgrade3GB50236-2002industrialpipeweldingengineeringcodeforconstructionandacceptanceo
7、ffieldequipment4HGJ222-92technicalspecificationforweldingofaluminiumanditsalloys5lowtemperature1-5解1-6解1-7解1-8解1-9解1-10解1-11解1-12解 1-13解该导杆机构的全部瞬心如图所示，构件1、3的角速比为：1-14解该正切机构的全部瞬心如图所示，构件3的速度为：，方向垂直向上。1-15解要求轮1与轮2的角速度之比，首先确定轮1、轮2和机架4三个构件的三个瞬心，即，和，如图所示。则：，轮2与轮1的转向相反。1-16解（1）图a
8、中的构件组合的自由度为： 自由度为零，为一刚性桁架，所以构件之间不能产生相对运动。（2）图b中的CD杆是虚约束，去掉与否不影响机构的运动。故图b200Yuan,constru
