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1、SledBallast滑車壓載物Weightcanbeaddedorsubtractedfromthesledtomaintainadesiredconstantsledweight.可以給滑車增加或減少加載物以保持期望的恒定滑車重量。PneumaticAccelerator氣動(dòng)加速計(jì)Thesystemusespressurizedairtopropelthesledtodesiredvelocities.Accuracywithin0.5%andrepeatabilitywithin0.25%aretypical,andnocivilwor
2、kisrequiredforinstallation.Firingpressureisremotelymonitoredandautomaticallymaintained.該系統(tǒng)是利用壓縮空氣驅(qū)使滑車獲得期望的速度。精確度在5%以內(nèi)重復(fù)性在0.25%以內(nèi),安裝時(shí)無(wú)需基建設(shè)施。點(diǎn)火壓力是遙控的并自動(dòng)保持。LightingSystemsSeattleSafetymanufacturesoverheadlights,portablefloorlights,andportableadjustable-heightlightsforimpactzon
3、eillumination.Webuildbothtraditionalincandescenttungsten-halogenandmodernflicker-freemetal-halidesystems.照明系統(tǒng)SeattleSafety公司生產(chǎn)高架照明燈,便攜式落地?zé)艉捅銛y式可調(diào)高度照明燈用于碰撞區(qū)域的照明。我們生產(chǎn)傳統(tǒng)的白熾鹵鎢燈和現(xiàn)代的無(wú)閃爍鹵化金屬燈。ReactionBlock反應(yīng)塊Thesystemreactionblockisfullybelowgrade,reducingsiteimpactandcivilworkcost
4、.Sledrelocationtoanewsiteisgreatlysimplified.此系統(tǒng)反應(yīng)塊完全在地下,減少了場(chǎng)地沖擊和基建費(fèi)用。滑車更換到新場(chǎng)地也變得很容易。Decelerator減速器Thedeceleratoremploysmildsteelrodsasanenergyabsorbertostopthesled.Setuptypicallytakes15minutes,andtherangeofachievablepulsesisexceptionallywide.Acomputerprogramissuppliedtodet
5、erminethepatternandnumberofwiresforthedesiredcrashpulse.(SeeResults)此減速器采用了低碳鋼棒作為減震器來(lái)使滑車制動(dòng)。裝備通常需要15分鐘,可利用的脈沖范圍非常廣闊。配置了計(jì)算機(jī)程序來(lái)確定期望得到的撞擊脈沖所需導(dǎo)線的模式和數(shù)量。(見結(jié)論)Sled滑車Thesledisdesignedtoaccommodatehighpayloadweightsandavarietyoftestfixtures,yetitiseasilyrolledbyhand.Anoptionalrotatab
6、leplatecanbeattachedtoallowtestarticlestobemountedatdifferentyawangles.Dataacquisitionsystemandaccelerometersaremountedbelowthesledtopsurfaceforprotectionandconvenience.滑車的設(shè)計(jì)能承受高效載荷和適應(yīng)多種測(cè)試裝置,但很容易用手滾轉(zhuǎn)??梢赃x擇安裝一個(gè)轉(zhuǎn)盤,這樣測(cè)試物件就能以不同的偏航角固定。數(shù)據(jù)收集系統(tǒng)和加速計(jì)安裝在滑車頂面之下以便得到有效保護(hù)和方便使用。CameraOutrig
7、gers相機(jī)支架Outriggersallowattachmentofoptionalcameraequipmenttothesled.Theoutriggersalsofeatureaswing-outdesigntoallowbetteraccesstopayloadonthesled.相機(jī)架用于往滑車上安裝選擇的相機(jī)設(shè)備。這個(gè)架子還有一個(gè)外旋的設(shè)計(jì)以便更好的利用滑車上的有效負(fù)載。Results結(jié)論ThechartsbelowshowthecorrelationbetweenthepulsepredictedbytheSeattleSaf
8、etywirepatternprogramandactualpulsesacquiredintest.Thepredictability,accuracy,repe