《船用鋼質(zhì)斜梯》

1CB/T81—2024船用鋼質(zhì)斜梯本文件規(guī)定了船用鋼質(zhì)斜梯（以下簡稱斜梯）的分類和標(biāo)記、要求、試驗(yàn)方法、檢驗(yàn)規(guī)則以及標(biāo)志和運(yùn)輸。本文件適用于露天區(qū)域斜梯的設(shè)計(jì)、制造和驗(yàn)收。機(jī)艙、貨艙、室內(nèi)艙也可選用。2規(guī)范性引用文件下列文件對(duì)于本文件的應(yīng)用是必不可少的。凡是注日期的引用文件，僅注日期的版本適用于本文件。凡是不注日期的引用文件，其最新版本（包括所有的修改單）適用于本文件。GB/T97.1-2002平墊圈A級(jí)GB/T700-2006碳素結(jié)構(gòu)鋼GB/T3075-2011船用鋼管簡選系列GB/T3274-2017碳素結(jié)構(gòu)鋼和低合金結(jié)構(gòu)鋼熱軋鋼板和鋼帶GB/T5783-2016六角頭螺栓全螺紋GB/T6170-20151型六角螺母GB/T8923.1-2011涂覆涂料前鋼材表面處理表面清潔度的目視評(píng)定第1部分：未涂覆過的鋼材表面和全面清除原有涂層后的鋼材表面的銹蝕等級(jí)和處理等級(jí)3術(shù)語和定義本文件無術(shù)語和定義。4分類和標(biāo)記4.1斜梯的主要參數(shù)斜梯的主要參數(shù)見表1。2CB/T81－2024表1斜梯的主要參數(shù)單位為毫米斜度α梯寬B梯架寬W踏步深D梯架長L扶手距梯架距離L1梯架型材45°700、800、225941～5473696L50×50×6600、700、800、1000220875～5053630L50×50×6200811～4717560L50×50×660°600、700、800766～4462486L50×50×634.2結(jié)構(gòu)和尺寸4.2.1斜梯的結(jié)構(gòu)和基本尺寸見圖1和表2～表5。356CB/T81—2024 BhP600PH=P*(n-1)+h1000a°W400欄桿柱等間距布置,間距(600~1300)200R100LR100L17348R100CC9hP600PH=P*(n-1)+h1000a°W400欄桿柱等間距布置,間距(600~1300)200R100LR100L17348R100CC9a)斜梯主體4CB/T81－202433D孔22孔22 2652孔22孔22 2652662-踏步詳圖 C-C33D視圖 C-C336x69-上框架板9-下框架板************ 6 ** 6 55b)斜梯主要零部件詳圖5CB/T81—2024防塵板固定形式單位為毫米防塵板上止點(diǎn)bbb88aaa防塵板下止點(diǎn)斜梯底部防塵板818螺栓/螺母/墊圈上安裝板處防塵板6防塵板碰上安裝板處,防塵板布置詳圖說明：1-梯架；2-踏步板；3-頂部扶手/支撐；4-中間扶手；5-螺栓/螺母/墊圈；6-上/下安裝板；7-連接板；8-可拆防塵板；9-上/下框架板；6CB/T81－20241.防塵板(8)由選用者自行選用；2.連接板(7)安裝在第2級(jí),第4級(jí),第63.上/下框架板(9)*尺寸,對(duì)應(yīng)角鋼規(guī)格,其它未標(biāo)尺寸根據(jù)斜梯角度適當(dāng)調(diào)整；4.斜梯扶手/支撐(3)采用?34×3管子,可選用?43.4×3.5焊接鋼管；5.斜體梯架(1)采用L50X50X6角鋼,可選用L63X63X6角鋼。7CB/T81—20244.2.245°斜梯的主要尺寸見表2。表245°斜梯的主要尺寸單位為毫米踏步n層高H尺寸扶手中間支撐數(shù)重量LPhB=700B=800B=10004800941200200078.583.092.25200200197.1102.8114.362002001113.4120.2134.072002002132.0140.0156.1820742002002148.4157.5175.9923572002002164.0174.3195.024993179.5190.9213.9200026402002003183.3194.7217.7210027822102103187.1198.5221.5220029242002003199.0211.5236.8230030652092103202.8215.4240.7240032072002003215.3229.0256.6250033492082123219.1232.8260.4260034902002003231.0245.8275.7270036322082043234.8249.6279.5280037732002003247.3263.2295.4290039152072094254.1270.0302.2300040572002004265.9283.0317.5310041982072024269.8286.9321.4320043402002004282.2300.5337.3330044822062104286.1304.3341.1340046232002004297.9317.3356.4350047652062044301.8321.1360.2360049072002005317.2337.7379.1370050485329.0350.7394.4380051902002005332.9354.5398.2390053322052105336.7358.4402.1400054732002005349.1371.9417.93.甲板開孔推薦尺寸:2450mm×(B+2508CB/T81－20244.2.350°斜梯的主要尺寸見表2。表350°斜梯的主要尺寸單位為毫米踏步n層高H尺寸扶手中間支撐數(shù)重量LPhB=600B=700B=800B=10004800875200200065.369.874.383.25200200079.184.790.3101.56200200189.695.2100.8112.072002001103.4110.1116.8130.382002002120.6128.4136.3152.0821812252252134.4143.4152.3170.2923112112122144.6154.7164.8185.09200024422222242148.2158.3168.4188.5210025722102103161.8173.0184.2206.6220027032202203165.4176.6187.8210.2230028332092103175.6188.0200.3224.9240029642182203179.2191.5203.8228.5250030942082123190.1203.5216.9243.8260032252172133193.6207.0220.5247.4270033552252253197.1210.6224.0250.9280034872152203207.4222.0236.5265.7290036162232243210.9225.5240.1269.2300037472142183221.8237.5253.2284.5310038782212274228.2243.8259.5290.9320040082132184238.4255.2272.0305.6330041392202204241.9258.7275.5309.1340042702272224245.5262.3279.1312.7350044002192154256.4274.3292.2328.0360045302252254259.9277.8295.7331.6370046602182124263.4281.3299.3335.1380047912112134274.3293.4312.4350.5390049222052104284.6304.7324.9365.2400050532112025297.6318.9340.2382.83.甲板開孔推薦尺寸:2250mm×(B+2509CB/T81—20244.2.455°斜梯的主要尺寸見表2。表455°斜梯的主要尺寸單位為毫米踏步n層高H尺寸扶手中間支撐數(shù)重量LPhB=600B=700B=800B=10003800811265270054.657.760.867.04250250067.972.176.184.45240240183.288.393.4103.76233235196.5102.6108.8121.172282322111.7118.9126.0140.4820302252252125.0133.2141.4157.8821532372412128.3136.5144.7161.29200022752222242137.7147.0156.2174.79210024002332363143.5152.8162.0180.5220025202202203153.5163.8174.0194.6230026422302303156.8167.1177.3197.9240027632402403160.1170.4180.6201.2250028862272303169.6180.9192.1214.8260030072362403172.9184.2195.4218.1270031302252253182.9195.2207.5232.2280032522332373186.2198.6210.8235.5290033742232243195.7209.1222.3249.1300034962312283199.0212.4225.6252.4310036182382444204.7218.1231.4258.2320037402292234214.7229.1243.4272.2330038622362324218.0232.4246.7275.6340039852272224227.5243.0258.3289.2350041072332384230.8246.3261.6292.5360042302252254240.8257.3273.6306.6370043502312354244.1260.6276.9309.9380044732242164253.6271.1288.4323.4390045952292364256.9274.4291.7326.8400047172352405262.6280.1297.5332.53.甲板開孔推薦尺寸:1950mm×(B+250CB/T81－20244.2.560°斜梯的主要尺寸見表2。表560°斜梯的主要尺寸單位為毫米踏步n層高H尺寸扶手中間支撐數(shù)重量kgLPhB=600B=700B=8003800766265270052.255.157.94998250250064.668.472683.488989.694.36266270299.3105.0110.672572582111.2117.9124.5720362712742114.4121.0127.68200021522502502123.6131.2138.78210022682622663128.8136.4144.08220023832752753132.0139.6147.19230025002552603140.8149.3157.89240026142672643143.9152.4160.9250027302502503153.1162.6172.0260028442602603156.2165.7175.1270029612702703159.4168.9178.3280030762552503168.2178.6189.0290031912642603171.3181.7192.1300033052732703174.4184.9195.2310034232582624185.8197.2208.5320035382672634188.9200.3211.6330036522752754192.0203.4214.7340037692622564200.8213.2225.4350038842692724203.9216.3228.5360040002572594213.2226.5239.6370041152642684216.3229.6242.8380042312712774219.4232.7245.9390043462602604228.2242.5256.6400044622672625233.5247.7261.83.甲板開孔推薦尺寸:1750mm×(B+2504.3標(biāo)記4.3.1型式表示方法斜梯的型式表示方法如下：CB/T81—2024防塵板(F)，不帶防塵板缺省梯架L50X50，頂部扶手?34（A）,梯架L50X50，頂部扶手?42.4（B）梯架L63X63，頂部扶手?34（C）,梯架L63X63，頂部扶手?42.4（D）斜度(o)×寬度（mm）×層高（mm）4.3.2標(biāo)記示例斜度為55o、寬度為600mm、層高為3100mm,梯架L50X50,頂部扶手?34,不帶防塵板,鋼質(zhì)斜梯標(biāo)記為：斜梯CB/T81-××××55o×600×3100A斜度為60o、寬度為700mm、層高為2500mm,梯架L50X50,頂部扶手?42.4,帶防塵板,鋼質(zhì)斜梯標(biāo)記為：斜梯CB/T81-××××60o×700×2500BF斜度為45o、寬度為1000mm、層高為2300mm,梯架L63X63,頂部扶手?42.4,不帶防塵板,鋼質(zhì)斜梯標(biāo)記為：斜梯CB/T81-××××45o×1000×2300D5要求5.1材料5.1.1斜梯的主要零部件材料見表6。表6斜梯主要零部件的材料單位為毫米零件名稱材料名稱牌號(hào)標(biāo)準(zhǔn)號(hào)梯架角鋼Q235BGB/T700-2006角鋼踏步花紋鋼板Q235B防塵板熱軋薄鋼板Q235BGB/T3274-2017扶手鋼管(頂部扶手/支撐)Q235BGB/T3075-2011鋼管(頂部扶手/支撐)Q235B圓鋼(中部扶手)Q235BGB/T700-2006安裝板碳素結(jié)構(gòu)鋼Q235B框架板碳素結(jié)構(gòu)鋼Q235B連接板扁鋼Q235B墊板碳素結(jié)構(gòu)鋼Q235B肘板碳素結(jié)構(gòu)鋼Q235B六角螺母不銹鋼06Cr17Ni12Mo2GB/T6170-2015六角螺栓不銹鋼06Cr17Ni12Mo2GB/T5783-2016平墊圈不銹鋼06Cr17Ni12Mo2GB/T97.1-20025.1.2材料檢驗(yàn)合格后方可投產(chǎn)。CB/T81－20245.2制造公差斜梯制造要求符合以下要求：a)斜梯本體尺寸偏差：斜梯寬度的公差為0～+5mm；踏步間距的公差為±2mm；踏步平行度的公差為±2mm，踏步傾斜度公差為±1°;斜梯長度的公差為±10mm；b)斜梯扶手尺寸偏差：扶手高度公差為0～+3mm，扶手垂直度公差為±5mm。5.3外觀斜梯外觀滿足以下要求：a)斜梯裝配后不應(yīng)有斜歪、扭曲等缺陷，裝好后踏步應(yīng)水平；b)梯架、踏步、扶手均要求滿焊，無影響強(qiáng)度的缺陷；c)斜梯表面應(yīng)無毛刺，無裂縫，銳邊應(yīng)倒圓角，對(duì)接焊縫應(yīng)打磨光順，凸起高度不大于3mm。焊縫應(yīng)無夾渣、氣孔、焊瘤等缺陷。5.4防銹斜梯表面除銹應(yīng)符合GB/T8923.1-2011中規(guī)定的Sa2級(jí)或St2級(jí)的要求，并涂防銹底漆兩道，每道干膜厚50μm，總干膜厚不低于100μm。6試驗(yàn)方