TCSSS 015-2024 滑雪用魔毯安全要求

ICS97.220.20CCSY55CSSS中國體育科學學會團體標準T/CSSS015—2024滑雪用魔毯安全要求Safetyrequirementsforconveyorbeltsofskiing2024-09-11布 2024-09-20施中國體科學會 發(fā)布T/CSSS015—2024T/CSSS015—2024II目 次前言 II引言 III112范引文件 13語定義 14路規(guī)設與2線的劃2線計算 35施4基要求 4下（車）站（車4驅裝和回5清和熱雪6線設施 6安保裝置 8電設備 10612線基礎 12設安的本12驅裝、回和張裝的13線設的137驗檢驗 13基要求 13試車 13第次營用驗收148營維護 14基要求 14人員 15檔案 15運行 16維護 17917基要求 17產(chǎn)標識 18安標識 18乘須知 18附錄A（料）驗檢驗項和證法 19附錄B（料）魔重大險單 23參考獻 24T/CSSS015—2024T/CSSS015—2024IIII前 言本文件按照GB/T1.1—2020《標準化工作導則第1部分：標準化文件的結構和起草規(guī)則》的規(guī)定起草。本文件起草單位：北京科正平工程技術檢測研究院有限公司（國家客運架空索道安全監(jiān)督檢驗中心司、SUNKIDGmbHHerbertZopf科學學會批準授權。T/CSSS015—2024T/CSSS015—2024IIIIII引 言（T/CSSS015—2024T/CSSS015—2024PAGEPAGE10滑雪用魔毯安全要求范圍本文件不適用于采用標準鏈板作為輸送帶的魔毯。（GB2894安全標志及其使用導則GB50007建筑地基基礎設計規(guī)范GB50009—2012建筑結構荷載規(guī)范GB50010混凝土結構設計標準GB50231機械設備安裝工程施工及驗收通用規(guī)范DL/T5161.5電氣裝置安裝工程質量檢驗及評定規(guī)程第5部分：電纜線路施工質量檢驗DL/T5161.6電氣裝置安裝工程質量檢驗及評定規(guī)程第6部分：接地裝置施工質量檢驗DL/T5161.7電氣裝置安裝工程質量檢驗及評定規(guī)程第7部分：旋轉電機施工質量檢驗DL/T5161.8電氣裝置安裝工程質量檢驗及評定規(guī)程第8部分：盤、柜及二次回路接線施工質量檢驗DL/T5161.12電氣裝置安裝工程質量檢驗及評定規(guī)程第12部分：低壓電器施工質量檢驗下列術語和定義適用于本文件。魔毯 conveyorbelts通過動力驅動方式，利用移動輸送帶運送滑雪者，承載表面與運行方向保持平行，滑雪者在其上站（下車區(qū)）立運輸?shù)倪B續(xù)運輸設備。注：根據(jù)使用場所的不同，魔毯主要分為滑雪用雪地魔毯和非滑雪場娛樂用旱地魔毯。上車板 loadingplate安裝在魔毯下站（上車區(qū)）末端，同時作為迂回裝置的蓋板，輔助滑雪者踏上輸送帶的固定平板。安全動板 safetyflap安裝在魔毯上站（下車區(qū)）輸送帶末端、驅動或迂回滾筒上方的活動平板。注：魔毯處于正常狀態(tài)時，安全活動板蓋住輸送帶繞過滾筒的末端折返區(qū)域。當有異物卷入輸送帶和安全活動板之間時，可平移或旋轉打開安全活動板，并使魔毯停機。下車板 unloadingplate安裝在魔毯上站（下車區(qū)）起始端、安全活動板之后，有向下坡度，引導滑雪者迅速離開上站（下車區(qū)）的固定平板。名義度 nominalspeed在額定頻率和額定電壓并且空載情況下，由制造商設計確定的，輸送帶沿運行方向的速度。有效度 effectivewidth輸送帶兩側的導向板之間的水平橫向距離。被授人員 authorizedperson725%（14.04o）1.5。0.5mm1。標引序號說明：1——側面蓋板；2——側面導向板；3——輸送帶；4——雪面；5——障礙物。圖1 魔毯圍空意圖0.3m（12.3m0.75m/s0.4m/s7901700N/m2慣性力應計算線路滿載運行工況下由輸送帶質量、人員質量以及輸送帶帶動的轉動部分質量引起的下列慣性力：0.2m/s20.05m/s2～0.1m/s2c）0.3（F）（1）F=f1+f2+f3+f4+f5 （1）式中：FNNfNf3——由坡度引起的輸送帶重力分力和滿載時滑雪者在輸送帶上自重的分力，單位為牛頓（N）；fN；fN3.5GB50009—20128EGB50009—20127E25mm600kg/m3125%。下站下站）m面的±5%（±2.86o）（2）標引序號說明：1——水平線；2——上車板；3——輸送帶；4——迂回滾筒。圖2 下站上區(qū)示圖m1.5m12.5%（7.13o）（26mm15mm上站）（31.5m12.5%（7.13o）（3）2m5%～15%（2.86o～8.53o）3標引序號說明：1——輸送帶（倒數(shù)第二段；2——最末段輸送帶；3——水平線；4圖3 上站下區(qū)示圖0.4530.3m6mm。-203.52.20.1m/s2上站180mm制動器0.3m35.5。應在驅動裝置處或迂回裝置處設置輸送帶防跑偏裝置，自動阻止輸送帶跑偏。20mm（20mm。輸送帶-200.4m±1.5%（±0.86o）204mm托輥40mm。4）標引序號說明：1——輸送帶側面導軌；2——蓋板（也可用作雪板或鞋的導向板；3——側面導向板；4——輸送帶。圖4 輸送及附示圖（h）10mm～50mm（4）（L）4）6mm（450mm（4（b）（4（2）b≥b1+b2+20 （2）式中：b（mb1（mb2（m材料-20結構（50007、GB500101.520上站上站）200mm以內(nèi)的直徑為100mm的球形物體（如圖5所示）。標引序號說明：1——輸送帶；2——驅動滾筒；3——雪面；4——下車板；5——安全活動板；6——導向滾筒。圖5 防跌監(jiān)裝檢區(qū)示意圖3s0.4m/s5s上站上站）mm60mm57mm62mm（6）標引序號說明：1——輸送帶；2——驅動滾筒；3（翻板；4——安全活動板（平移板；5——下車板；6——雪面；7——導向滾筒。圖6 安全動最開示圖50。50mm20mm（7）標引序號說明:1——輸送帶；2——驅動滾筒；3——安全活動板；4——自由空間；5——下車板；6——雪面；7——導向滾筒。圖7 安全動安位示圖200mm57mm過（7）（電氣設備的設計和選用宜符合GB/T5226.1的有關規(guī)定。工作）（停（）（200m主開關（控制箱）100mmIP545區(qū)）所有停車裝置和安全保護裝置應組成聯(lián)鎖閉合安全回路，任一裝置發(fā)出信號都應立即中斷閉合回路后停機。30s工作）工作正常0.3m電控系統(tǒng)安全回路的電源電壓應小于交流25V或直流60V。運行速度不應受載荷變化影響，運行時運行速度的變化不應超出給定速度的±5%范圍。通信下站）電流；電壓；）；逆轉；。魔毯所有金屬部件、主控制箱的外殼應直接、永久接地。安裝51004GB50202GB50300GB502316.2.8 DL/T5161.5、DL/T5161.6、DL/T5161.8、DL/T5161.12T/CSSS015—2024T/CSSS015—202413136.2.9 DL/T5161.7GB50231GB50231（）試車單機試車2.5。1。h2。T/CSSS015—2024T/CSSS015—2024PAGEPAGE144.1.5工作）3上站上站應在滿載工況下驗證魔毯的以下性能：.2.1工作）4章～第6章的要求。AA.1（）人員1檔案運行（（BB.1。上站）（（維護2標識GB2894GB28942894GB/T2893.1GB/T2893.3（。）下站上站（（GB/T40232BSEN15700應至少在下站（上車區(qū)）附近設置乘客須知，包括但不限于以下內(nèi)容：下站附錄A（資料性）驗收檢驗的項目和驗證方法驗收檢驗的項目和驗證方法見表A.1。表A.1驗收檢驗的項目和驗證方法序號項目條款驗證方法試驗測量計算查閱資料目測1線路的規(guī)劃設計與計算41.1線路最大坡度×1.2坡度差×1.3橫向自由凈空××1.4離地高度×1.5上方自由凈空和頂棚××1.6沿線電控裝置安裝×1.7安全網(wǎng)或雪墻××1.8并行魔毯凈空×1.9運行速度×1.10運送兒童速度×2設施設備52.1上車板安裝×2.2上車板離地高度×2.3下站（上車區(qū)）輸送帶坡度×2.4上車板與輸送帶間隙×2.5上站（下車區(qū)）最末段輸送帶坡度×2.6上站（下車區(qū)）倒數(shù)第二段坡度×2.7下車坡度×2.8安全活動板與下車板寬度×2.9安全活動板與下車板長度×2.10下車板離地高度×2.11安全活動板與輸送帶間隙×2.12下車板與安全活動板間隙×2.13滿載啟動×2.14驅動滾筒表面材料×2.15上站（下車區(qū)）滾筒直徑×2.16制動器性能××表A.1（續(xù)）序號項目條款驗證方法試驗測量計算查閱資料目測2.17液壓張緊壓力顯示.1×2.18液壓張緊保壓功能.2×2.19液壓張緊防凍措施.4××2.20油缸桿位置.5×2.21重錘上下移動.1×2.22重錘井.2×2.23重錘位置.3××2.24輸送帶防跑偏裝置5.3.7×2.25冰雪刮除器×××2.26輸送帶自動清掃裝置×××2.27加熱融雪裝置設置××2.28加熱融雪裝置加熱器××2.29加熱融雪裝置集水箱××2.30輸送帶表面防滑×2.31單人輸送帶的有效寬度×2.32輸送帶橫向坡度×2.33輸送帶接頭間隙×2.34托輥材料××2.35托輥軸承××2.36托輥間隙×2.37輸送帶側面導軌×2.38輸送帶側面導向板高度××2.39導向板的橫向距離×2.40導向板與輸送帶間隙×2.41回程輸送帶導向×2.42回程輸送帶撓度×2.43輸送帶側面保護蓋板性能××2.44保護蓋板高度×2.45保護蓋板寬度××2.46線路檢修便道×2.47機架側面保護罩×2.48線路支承結構.2.1.3×××表A.1（續(xù)）序號項目條款驗證方法試驗測量計算查閱資料目測2.49線路基礎承載能力×2.50運動件防護隔離×2.51上站（下車區(qū)）防跌倒監(jiān)控××2.52上站（下車區(qū)）防卷入監(jiān)控觸發(fā)××2.53安全活動板打開寬度××2.54安全活動板最大打開力×××2.55安全活動板安裝位置×2.56輸送帶打滑、逆轉監(jiān)控×2.57檢修蓋板監(jiān)控×2.58多條連續(xù)無中間出口保護5.6.6×2.59工作（正常）停車開關××2.60緊急停車開關.1.2.3.4××2.61主開關.1.2××2.62輔助設備開關××2.63主控制箱安裝.1.1.1.3×2.64主控制箱面板功能.1.2××2.65主控制箱恒溫加熱.1.5×2.66輔助控制箱.2.1.2.2××2.67控制系統(tǒng)常規(guī)電路保護.1×2.68控制系統(tǒng)故障記憶功能.2×2.69啟動電鈴或警示燈.3×2.70故障復位.5×2.71緊急停車報警聲.6×2.72工作（正常）停車.7.8××2.73緊急停車.9×××2.74停電制動.11××2.75電控系統(tǒng)安全電壓×2.76線路廣播或擴音器.1×2.77電話或對講機.2×表A.1（續(xù)）序號項目條款驗證方法試驗測量計算查閱資料目測2.78運行計時器.1×2.79運行指示信號.2.3×2.80接地保護5.7.4×3安裝63.1張緊小車行走輪6.3.5×3.2重錘導向輪6.3.6×3.3輸送帶運行6.4.1×3.4底部支腿調節(jié)防松6.4.3×3.5線路設備連接6.4.4××3.6托輥轉動6.4.5××3.7底部支腿垂直安裝6.4.6×注：表中符號“×”表示對應的驗證方法。附錄B（）魔毯重大風險清單見表B.1。表B.1魔毯重大風險清單風險名稱風險部位風險內(nèi)容1.跌落輸送帶滑雪者自身未站穩(wěn)或滑倒，跌落到魔毯上或從魔毯上摔下來由于魔毯速度的變化或滑雪者和皮帶之間的速度差異摔倒魔毯的意外啟動導致滑雪者跌倒魔毯反轉導致滑雪者滾落突發(fā)大風直接吹倒或輸送帶的舞動導致滑雪者未站穩(wěn)而跌落滑雪者意外觸碰急停按鈕，魔毯驟停導致滑雪者跌倒坡度過大或坡度差過大導致滑雪者未站穩(wěn)跌倒魔毯意外失穩(wěn)或倒塌使滑雪者摔倒輸送帶斷裂導致滑雪者滾落上車板、下車板下站（上車區(qū)）人員擁擠，被擠倒跌落夜間運行時，下站（上車區(qū)）或上站（下車區(qū)）照明不足，導致滑雪者踏空跌落上車板斷裂，導致滑雪者跌入迂回裝置內(nèi)2.碰撞（沖擊）魔毯下站（上車區(qū)）、上站（下車區(qū)）擁堵導致滑雪者相互碰撞地面濕滑摔倒后與其他滑雪者或地面硬物碰撞輸送帶被其他滑雪者滑雪器具、雪杖撞擊自身未站穩(wěn)與前后方其他滑雪者碰撞，或碰撞到滑雪器具上受傷大風或急停導致人員相互撞擊下站（上車區(qū)）、上站（下車區(qū)）、沿線與魔毯周邊障礙物（如控制箱）碰撞3.擠壓輸送帶滑雪者滾落時在輸送帶上互相擠壓滑雪者肢體和頭部落入安全活動板下方受擠壓4.纏住線路滑雪者導向板導向板裂口處纏住滑雪者衣物5.卷入線路滑雪者導向板滑雪者的圍巾、手套、衣物卷入輸送帶與側面導向板之間安全活動板因輸送帶與安全活動板之間的間隙過大或滑雪者沒有整理好圍巾、手套、衣物、雪杖、頭發(fā)等，導致滑雪者卷入6.刺傷（切割）下站（上車區(qū)）大風刮倒標志牌，刺傷滑雪者線路蓋板和滑雪者導向板滑雪者跌倒后被鋒利的凸起物刺傷7.摩擦（剪切）輸送帶滑雪者摔倒后被魔毯拖行線路滑雪者導向板兒童滑雪者手指伸入輸送帶與側面導向板之間8.電擊驅動裝置操作或維修人員檢查維護時接觸帶電部件9.燙傷加熱融雪裝置操作或維修人員檢查維護時觸碰加熱管等加熱部件參 考 文 獻GB50202—2018GB50300—2013GB51004—2015GB/T2893.1—2013圖形符號安全色和安全標志第1GB/T2893.3—2010圖形符號安全色和安全標志第3則GB/T5226.1—2019機械電氣安全機械電氣設備第GB/T40232—2021冰雪運動場所用安全標志BSEN15700：2011SafetyforconveyorbeltsforwintersportorleisureuseICS97.220.20CCSY55ICS97.220.20CCSY55SocialOrganizationStandardOfChinaSportScienceT/CSSS015—2024Safetyrequirementsforconveyorbeltsforskiing滑雪用魔毯安全要求(EnglishTranslation)Issuedate:2024-09-11 Implementationdate:2024-09-20IssuedbyChinaSportScienceSocietyT/CSSS015—2024T/CSSS015—2024PAGE\*ROMANPAGE\*ROMANIIIContentsForeword IIIIntroduction IVScope 1Normativereferences 1Termsanddefinitions 1Planning,designandcalculationoflines 2Planninganddesignoftheline 2Linecalculation 3Facilitiesandequipment 5Fundamentalrequirement 5Bottomstation(boardingarea)andtopstation(landingarea) 5Drivesandreturndevices 6Snowclearingandheatingmeltingdevices 8Linefacilities 8Safetydevice 11Electricalequipment 13Installation 17Linefoundation 17Basicrequirementsforequipmentinstallation 17Installationofdrive,returnandtensioningdevices 18Installationoflineequipment 18Testingandinspection 18Fundamentalrequirement 19Testrun 19Acceptanceinspectionbeforefirstoperationaluse 20Operationsandmaintenance 20Fundamentalrequirement 20Staffs 21Documentation 22Operation 22Maintenance 24Signs 25Basicrequirement 25Productidentification 25Safetysigns 26PassengerInformation 26AnnexA(informative) Acceptancetestitemsandvalidationmethods 27AnnexB(informative) Significantriskinventory 32Bibliography 34ForewordThisdocumentisdraftedinaccordancewiththerulesgivenintheGB/T1.1—2020Derectivesforstandardization—Part1:Rulesforthestructureanddraftingofstandardizingdocuments.Attentionisdrawntothepossibilitythatsomeoftheelementsofthisstandardmaybethesubjectofpatentrights.Theissuingbodyofthisdocumentshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.ThisdocumentisproposedandpreparedbyChinaSportScienceSociety.ThisdocumentwasdraftedbyBeijingCogentEngineeringTechnologyTestInstituteLtd（NationalCenterofPassengerAerialRopewaySafetySupervisionandInspection）,InstituteofSportScience,ChinaSkiAssociation,ChinaIceandSnowIndustryAlliance,SportsEquipmentCenterofJilinProvincialSportsBureau,Gu’anDaowoM&ECo.,Ltd,ShenyangLongwanhengSkiEquipmentCo.,Ltd.,BeijingCarvingSkiSportsDevelopmentGroupCorp.,SUNKIDGmbH,BeijingSnowpalSkiResortsManagementCo.,Ltd.,NanshanResort,MASLimited,JilinProvincialInstituteofSportScience,JilinUniversity,JilinSportsUniversity.ThemaindraftersofthisdocumentareZhangQiang,LuoYuan,HuangXifa,XuWei,GaoXuedong,LiGang,TanLixin,GuoYong,YangWei,LiuXiaofei,TianJiahe,ZhangHongjun,WangZhiqiang,WuBin,HuWei,YuPengchao,HerbertZopf,WangJiangqi,ZhangXueqian,SongXueyang,HongYang,WenZhaohui,GuoShun,HuangYue,XinBenlu,LiLing,TongQiang,DingYunxia,LiuYide,YangXiaohui.TheTheofisbyforuselaworChinaSportScienceSociety,itsmaynotbeorinanyorbyanyorontheandAnyortooutandbeandofIntroductionConveyorbeltforskiingisakindofstationarydrivingequipmentthatusesacirculatingconveyorbelttotransportskiersfromthebottomstation(boardingarea)tothetopstation(landingarea).Alongwiththedevelopmentofdomesticskiing,Conveyorbelthasbeenwidelyusedinskiresorts,andhasbecomeacrucialpersonneltransportationequipmentinskiresorts.Thisdocumentisformulatedtofurtherpromotethestandardizationanddevelopmentofskiconveyorbelttechnology,improvethetechnicallevelandoperationalsafetyoftheindustry,protectthepersonalsafetyoftheusers,reducetheoccurrenceofmalfunctionsandaccidents,andmaketheconveyorbeltbecomeasafetransportationequipmentinskiresorts.Thisdocumentputsforwardthebasicsafetyrequirementsofconveyorbeltsforskiing,aimingtoprovideaneffectivetechnicalbasisforthedesign,manufacture,installation,use,inspectionandmanagementofconveyorbeltsforskiinginChina.T/CSSS015—2024T/CSSS015—2024PAGEPAGE10SafetyrequirementsforconveyorbeltsforskiingScopeThisdocumentspecifiesthelineplanning,designandcalculation,facilitiesandequipments,installation,testingandinspection,operationandmaintenance,markingandlabelingofconveyorbeltsforskiing.Thisdocumentisapplicabletothedesign,manufacture,installation,inspection,useandmaintenanceofconveyorbeltsforskiingthatutilizeamultilayerstructureofcontinuoustapeasaconveyorbelt.Thisdocumentisnotapplicabletoconveyorbeltsthatusestandardchainplates.NormativereferencesThefollowingreferenceddocumentsareindispensablefortheapplicationofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.GB2894，SafetysignsandguidelinefortheuseGB50007，CodefordesignofbuildingfoundationGB50009—2012，LoadcodeforthedesignofbuildingstructuresGB50010，CodefordesignofconcretestructuresGB50231，GeneralcodeforconstructionandacceptanceofmechanicalequipmentinstallationengineeringDL/T5161.5，Specificationforconstructionqualitycheckoutandevaluationofelectricequipmentinstallation—Part5:CablelineDL/T5161.6，Specificationforconstructionqualitycheckoutandevaluationofelectricequipmentinstallation—Part6:EarthingdeviceDL/T5161.7，Specificationforconstructionqualitycheckoutandevaluationofelectricequipmentinstallation—Part7:ElectricalrotatingmachinesDL/T5161.8，Specificationforconstructionqualitycheckoutandevaluationofelectricequipmentinstallation—Part8:SwitchboardoutfitcompletecubicleandsecondarycircuitDL/T5161.12，Specificationforconstructionqualitycheckoutandevaluationofelectricequipmentinstallation—Part12：Low-voltageapparatusTermsanddefinitionsForthepurposesofthisdocument,thefollowingtermsanddefinitionsapply.conveyorbeltscontinuoustransportationequipmentfortransportingskiersbymeansofapowerdrivenmethodusingamovingconveyorbelt,wherethecarryingsurfaceiskeptparalleltothedirectionofmovingandskiersaretransportedstandinguponitNote：Accordingtothedifferentapplications,conveyorbeltsaremainlydividedintosnowconveyorbeltsforskiingandconveyorbeltsfornon-skiingentertainment.boardingplateinstalledattheendoftheconveyorbeltbottomstation(boardingarea),italsoservesasacoverforthereturndeviceandassiststheskierinsteppingontothefixedflatsurfaceoftheconveyorbeltsafetyflapamovableflatplatemountedattheendoftheconveyorbeltattheconveyorbelttopstation(landingarea),abovethedriveorreturnrollerNote：Whentheconveyorbeltisinitsnormalstate,thesafetyflapcoverstheendreturnareaoftheconveyorbeltaroundtherollers.Whenaforeignobjectbecomesentangledbetweentheconveyorbeltandthesafetyflap,theplatecanbeparallellypushedorrotatedtoopenthesafetyflapandtheconveyorbeltshallbestopped.landingplateinstalledatthetopstation(topstation),behindthesafetyactivityplate,withadownwardslope,tosupporttheskierquicklyoutofthefixedplateatlandingarea(topstation)nominalspeedthespeedofaconveyorbeltinthedirectionoftravelatratedfrequencyandratedvoltageandwithnoload,asdeterminedbythemanufacturer'sdesigneffectivewidthHorizontaltransversedistancebetweentheguideplatesonbothsidesofthebeltauthorizedpersonpersonsauthorizedbythepersoninchargeoftheconveyorbeltoperatingunittoentertheareaontheconveyorbelt,insidetheframe,oradjacentareasaroundtheequipmentformaintenance,inspection,orrescueoperationsPlanning,designandcalculationoflinesPlanninganddesignofthelineLineselectionConveyorbeltsshallnotbebuiltinareaswhereavalanches,landslides,caves,windgustsofmagnitude7orhigherarefrequentandjeopardizethesafetyoftheconveyorbelt.Theprojectedlineofthecenterlineoftheconveyorbeltlineonthehorizontalplaneshallbeastraightline.Thefloorplanoftheconveyorbeltshallbelaidoutinsuchawaythattheskierridingthecarpetcansafelyexitthecarpetatanypointalongtherouteintheeventofamalfunctionorstoppageofthecarpet.LinegradientThemaximumslopeofthelineshallnotexceed25(14.04°).Thedifferenceinslopebetweentwoconsecutivesectionsofeachconveyorbeltconveyorbeltshallnotexceed12.5(7.13°),theslopeofeachsectionshallbeandthelengthshallnotbelessthan1.5m.FreeheadroomonbothsidesandabovethelineThelateralfreeboardonbothsidesoftheoutdoorconveyorbeltlineshallnotbelessthan0.5m,andthetotallateralfreeboardabovetheconveyorbeltplaneshouldbenotlessthan2m.Exceptforelectricalcabinets,emergencystopswitches,andcrowdmonitoringdevicesthatarerequiredforsafeoperation,thereshouldbenoobstaclesfromthesnowsurfaceupwardsinthefreeboardonbothsides,andtheheightofthesnowsurfaceshallnotexceedtheheightoftheuppersurfaceoftheconveyorbelt(asshowninFigure1).Descriptionofthecitationsequence:1—sidecover;2—sideguideplate;3—conveyorbelt;4—snowsurface;5—obstacles.Figure1SchematicdiagramoftheheadroomaroundtheconveyorbeltTheheightbetweenthesnowsurfaceandtheuppersurfaceofthesidecoveroftheconveyorbeltshallnotexceed0.3mwithinthefreeheadroomonbothsidesoftheline(asshowninFigure1).Thespaceabovetheuppersurfaceoftheconveyorbeltshallbefreespace,exceptforthebeltsidecoversandguideplates.Thefreespaceaboveshallbefreeofobstaclesexceptforelectricalcabinets,emergencystopswitches,andcrowdmonitoringdevicesthatarerequiredforsafeoperation.Ifaroofisinstalledabove,theclearancebetweentheroofandtheconveyorbeltshallnotbelessthan2.3matthecenterline.Ifelectricalcabinets,emergencystopswitches,andcrowdmonitoringdevicesneedtobeinstalledinfreespaceasdefinedinand,thesefacilitiesshouldbeguardedormeasurestakentoreducetheriskofinjurytoskiers.ClearancetoothersurroundingfacilitiesAsafetynetorsnowwallshallbeprovidedbetweentheconveyorbeltandtheskislopestopreventskiersfromaccidentallyrunningintotheconveyorbeltline.Theclearancebetweenthesafetynetorsnowwallandtheconveyorbeltshallbeinaccordancewith.Twoparallelconveyorbeltsshallnothaveaclearanceoflessthan1mfromeachother.RunningspeedThenominalspeedoftheconveyorbeltshallnotbegreaterthan0.75m/s.Itshallbepossibletotransportchildrenataspeedof0.4m/sorless.LinecalculationFundamentalrequirementWhendesigningtheline,atleasttheloadoftheconveyorbelt,theinertiaforceoftheconveyorbeltstartingandstopping,thebreakingstrengthoftheconveyorbelt,andthestrengthofthelineload-bearingstructuralcomponentsshallbecalculatedandverified.LoadofconveyorbeltTheself-weightofaskieronaconveyorbeltwearingskisorbootsorcarryingskiequipmentiscalculatedas790Nperpersononaverage.Theminimumcontinuousuniformlydistributedloadiscalculatedas1700N/m2.InertialforceThefollowinginertiaforcescausedbythemassoftheconveyorbelt,themassofthepersonnelandthemassoftherotatingpartdrivenbytheconveyorbeltshallbecalculatedfortheline'sfullyloadedoperatingconditions:inertiaforceatnormalstart-upaccelerationof0.2m/s2;inertiaforceatworkstopdecelerationof0.05m/s2～0.1m/s2;inertiaforcewhenthedistanceofemergencystopis0.3m.ConveyorbeltbreakingstrengthThetensilesafetycoefficientoftheconveyorbeltanditsjoints,i.e.theratiooftheminimumbreakingtensionoftheconveyorbelttothemaximumworkingtensionoftheconveyorbelt,shallnotbelessthan5.Themaximumworkingtension(F)oftheconveyorbeltshallbecalculatedaccordingtoformula(1):Inequation:

????=1+2+3+4+5·(1)F—themaximumworkingtensionoftheconveyorbeltinNewtons(N);f1—themaximumtensionoftheconveyorbelttensioningdeviceinNewtons(N);f2—theresistanceoftheconveyorbeltontheline,includingtheresistanceontherollersandtheresistanceoftheguides,inNewtons(N);f3—thecomponentforceofgravityoftheconveyorbeltcausedbytheslopeandthecomponentforceoftheskier'sownweightontheconveyorbeltwhenitisfullyloaded,inNewtons(N);f4—theresistanceoftheconveyorbelttotherelevantequipmentwithinthedriveandreturn,inNewtons(N);f5—inertialforceinNewtons(N)atstartupoftheconveyorbeltatfullload.StrengthofsupportingstructuralelementsinlinesTheyieldstrengthfactorofsafetyforallelementsofstructuralsupportingshallnotbelessthan3.5.Theeffectsofthefollowingtypesofloadsshallbecalculatedforthedesignsupportingstructuralelementsandcivilinfrastructure.maximumtensionofthebelttensioner.conveyorbeltequipmentweighsitself.skiers’weights.inertialforcesduringbeltstartingandbraking.windload:calculatedaccordingtoChapter8andAppendixEofGB50009—2012.snowload:calculatedaccordingtoChapter7andAppendixEofGB50009—2012.thelowersupportingstructuresandprotectiveroofoftheconveyorbeltcarrytheiceload.Theaveragethicknessoftheicemaybecalculatedas25mmorasprovidedbythelocalmeteorologicaloffice,andthevolumetricmassas600kg/m3.skiermultiplicationintheuseofimpactdynamicloadontherollers,dynamicloadalongthedirectionofoperationonbothsidesofthelineframe,thevalueiscalculatedas25oftheactualloadofoneroller.FacilitiesandequipmentsFundamentalrequirementConveyorbeltsshallhavebottomstation(boardingarea)andtopstation(landingarea).Theconveyorbeltshallconsistofatleastthefollowingequipment:drivesandreturns;snowclearingandheatingsnowmeltingdevices;linefacilities;safetydevices;electricalequipment.Bottomstation(boardingarea)andtopstation(landingarea)Bottomstation(landingarea)Aboardwithasinglegradeandalengthofnotlessthan1mshouldbeinstalledattheendofthecarpetbottomstation(boardingarea).Thegradeoftheboardshallbewithin±5(±2.86°)ofthehorizontalline(asshowninFigure2).Descriptionofthecitationsequence:1—horizontalline;2—boardingplate;3—conveyorbelt;4—returningroller.Figure2SchematicdiagramoftheboardingareaTheheightdifferencebetweenanysideoftheboardandthegroundorsnowsurfaceshallnotexceed0.3m.Theslopeoftheconveyorbeltshallbeuniformoveralengthofatleast1.5mfromthestartingpointoftherideonthebelt,andthegradientdifferenceinslopebetweentheconveyorbeltandtheboardingplateshouldnotbemorethan12.5(asshowninFigure2).Whentheconveyorbeltisrunning,thegapbetweentheboardingplateandsurfaceoftheconveyorbeltshouldbe6mm,andthemaximumgapshallnotexceed15mm.Topstation(landingarea)Theslopeofthelastsectionoftheconveyorbeltnearthetopstation(landingarea)shallbeuniform,andthegradientshouldbewithin±5(±2.86°)oftheline(asshowninFigure3).Thepenultimatesectionoftheconveyorbeltshouldhaveauniformslopeoveralengthofnotlessthan1.5m.Thegradientdifferencebetweentheconveyorbeltandtheendmostsectionshouldnotbemorethan12.5(7.13°)(asshowninFigure3).Topstations(landingareas)otherthantheendoftheconveyorbeltshallhaveretrorsegradient5to15(2.86°to8.53°)foraminimumlengthof2m(asshownFigure3).Safetyplateandlandingplateshallbeinstalledatendofthisarea,thetransversewidthofplatesshallnotbelessthantheeffectivewidthoftheconveyorbelt.Descriptionofcitationnumbers:1—conveyorbelt(penultimatesection);2—lastsectionofconveyorbelt;3—horizontalline;4—safetyplate;5—landingplate;6—snowsurface;7—driveroller.Figure3Schematicdiagramofpick-up(landingarea)Thetotallengthofthesafetyplateandthelandingplateshallnotbelessthan0.45m(asshowninFigure3),andtheheightdifferencebetweenanysideoftheplateandthegroundorsnowsurfaceshallnotexceed0.3m.Whentheconveyorbeltisinoperation,thegapbetweenthesafetyplateandthesurfaceoftheconveyorbelt,andbetweenthelandingplateandthesafetyplateinnormalconditionshallnotexceed6mm.DrivesandreturndevicesFundamentalrequirementThedriveshaftofthedriveunit,thecylinderofthedriveroller,andcylinderofthereturnrollershallbemadeofmaterialswithsufficienttoughnessandelongationevenatlowtemperaturesof-20℃orless.Thecylinderofdriverollerandreturnrolleraswellasthedriveshaftshallbecalibratedforyieldstrengthsafetyfactor，whichshouldnotbelessthan3.5;thedriveshaftshouldbecalibratedforfatiguestrengthsafetyfactor,whichshallnotbelessthan2.2.DriveperformanceThedriveshallbecapableofstartingwithanaverageaccelerationofatleast0.1m/s2underfullloadconditions.Thedriveshallbeabletostopautomaticallyifanyofthefollowingconditionsoccurduringoperation:novoltageorvoltageisreducedbelowaspecificminimumvalue;powerconsumptionrisesaboveaspecificmaximumvalue;anyofthesafetyprotectiondevicesistriggered.DriveandreturnrollersThesurfaceofthedriverollershallbeevenlycoveredwithapatternedrubberlayerorothernon-slipmaterialthatincreasesfriction.Thediameterofthedriverollersinstalledinthetopstation(landingarea)shallnotbelessthan180mm.Whenmanufacturedbyweldingprocess,theweldshallbefreefromcracksandunder-welding,andinternalstressshallbeeliminated.PowertransmissioncomponentsThepermissiblepowertransmissionmethodsforthemaindrivesystemaredirectconnectionbetweenthedriverollerandthespeedreducer,couplingdrive,geardrive,andshallnotbeusedforbeltdrive,chaindrive,orfrictionwheeldrive.Couplings,universaljoints,etc.inthepowertransmissiondeviceshallbecalculatedaccordingtothefullloadcondition.BrakedevicesThebrakingforceshallbegeneratedbyacompressionspringandappliedmechanically.Brakingforceshallbeevenlydistributedacrossthebrakepads.Thereshallbeanallowanceforbraketravel,whichshallcompensateforbrakepadwear.Thebrakingtorqueofthebrakeshallnotbelessthanthebrakingtorquerequiredtostoptheconveyorbeltwithin0.3munderfullloadconditions,evenifthebrakepadsareworn,thebrakediscsarecontaminatedwithoilorvapor,orthebrakepadsandbrakediscsarenotinuniformcontact.TensioningdeviceHydraulictensioningOilpressureindicatingdeviceshallbeprovided.Thehydraulicsystemshallhaveapressuremaintainingfunctiontokeepthesystempressurestable.Therupturesafetyfactorforhydrauliclinesandconnectingelementsshallnotbelessthan3.Thehydraulictensioningdeviceshallbeprotectedagainstlowtemperaturefreezing.Theelongationoftheconveyorbeltshallnotcausethecylinderrodtoreachitslimitpositionunderallloadconditions.HammertensioningThestructureoftheweightshallbedesignedsothattheweightmovesupanddownwithoutderailmentandjamming.Theweightwellshallbecapableofpreventingsnow,ice,water,anddebrisfromaccumulatingunderoraroundtheweightsandinterferingwiththemovementoftheweights.Mechanicallimitsshallbeusedtolimitthetraveloftheweightsandshouldnotreachtheendpositionundernormaloperation.Whenthehammerandthetensioningdeviceareconnectedbysteelwirerope,thesteelwireropeshallbeflexibleandresistanttobending,anditstensilesafetycoefficientshouldnotbelessthan5.5.Conveyorbeltanti-deflectiondeviceAconveyorbeltanti-runningdeviceshallbeinstalledatthedrivingdeviceoratthereturningdevicetoautomaticallypreventtheconveyorbeltfromrunningoutofalignment.SnowclearingandheatingmeltingdevicesSnowandicescraperThesurfacesofthedriveroller,guiderollerandreturnrollershallbeequippedwithiceandsnowscraperstopreventthesurfacesfromicingandslipping.Theclearancebetweenthesnowandicescraperandther