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1、9号、12号单开道岔检查Ordinarysingle-openingbifurcationcheckFirst,prepareforwork1,fillinthenameofthe"checkrecordbook"inadvance,thenumberofthebranch,thetypeoftheswitchandtheinspectiondateandtheinspectionperson.2,confirmedthatruler,offsetrulerwhetherinthemetrologicaldepartmentappraisalperiod,su
2、chasnotqualifiedperiodto/report,aftertheconsent,justcanuse.Thetrackgaugeismarkedonthetrack〃35",andthegaugelengthofthegaugewithsteeltapemeasureisgreaterthanplusorminuslinni.Adjustwhendeviationisallowed・Second,basichomeworkSetupprotection,reporttheassessor,anddothehomework.Tostandandl
3、ookattherailsofthestraightoff-lineofthebranchatabout30to50metersfromtheendofthetunneLHorizontalvisual-vision.Ifthetracksarefoundtobeeitherloworlow,itcanberecordedin,ztrack,lowandother〃・After3,visualrailstohighand1ow,returntocheckfirst(tonguerailslopebeforethefinishline,therailbefore
4、tapping,positiveandnegativerailgaugewhethertheirleveloferrorcorrectionisgreaterthan+/-1mm,errorismorethan+/-1mm,adjusted)・Step4:checkandrecordaccordingtothesequenceofthegaugeandthebacklevel.Whenexaminingthegauge,itisgreaterthan1435mmfor〃+〃,lessthan1435mm・Outsideinspectionlevel,keeps
5、tocks:asastandardshares,song:outside(ontheshares)asthestandardshares,standardhighfor〃+〃,insteadof・(1)thefirstplace:theendoftheslope・Within100mmrangeofthebaserailfrontend.(2)thesecondplace:thecusp・Itis50to100mmfromthetipofthetip・(herethegaugeis43,50-9bifurcatedto15mm,or1450imn;443,10
6、mm,10mm,1445mm).(3)thethirdplace:thespigot・Intonguerailplanecutendpoint,thatis,withthepartofthegaugewidening(gaugewideninghere43,50-9of9mmor1444mm;43,50-12to7mmor1442mm)heredonotcheck,checkthegaugetrackgaugewillbequicklypickedup,record,preventtheswitchinthecrowdedcubitfeetandmove,af
7、fectthework,thedamagetothefeet・(4)sharpandcurvedstocks・Within100mmoftheguidestocktrack,itcannotbeonthepointedtrack・Here,thegaugeis4mm,whichis1349mm,andthedesignofthe6mmintheoutersectionoftheguideshouldbeconsidered・(5)fifthplace:pointedtracksandstraightstocks・It'sinthesharptrackthatc
8、orrespondstothecurv