幕(mu)墻專(zhuan)用(yong)球鉸(jiao)支座(zuo)分為:普通型幕(mu)墻專(zhuan)用(yong)球鉸(jiao)支座(zuo)和減震型幕(mu)墻專(zhuan)用(yong)球鉸(jiao)支座(zuo)兩(liang)種。
◎ 普通型幕墻專用球鉸支座(MZQZ)
普(pu)通(tong)(tong)(tong)型幕墻(qiang)專用(yong)球(qiu)(qiu)(qiu)鉸(jiao)支(zhi)(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)(zuo)屬于(yu)側用(yong)支(zhi)(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)(zuo),常用(yong)于(yu)兩(liang)豎直(zhi)連(lian)接面之(zhi)(zhi)(zhi)間。其(qi)主要(yao)由支(zhi)(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)(zuo)底(di)板(ban)(ban)(ban)、球(qiu)(qiu)(qiu)鉸(jiao)位(wei)(wei)(wei)(wei)(wei)移(yi)(yi)箱(xiang)(xiang)、中(zhong)支(zhi)(zhi)(zhi)(zhi)(zhi)架(jia)、不銹鋼(gang)板(ban)(ban)(ban)、位(wei)(wei)(wei)(wei)(wei)移(yi)(yi)箱(xiang)(xiang)、防塵板(ban)(ban)(ban)和高強(qiang)度連(lian)接螺(luo)栓組成(cheng)。球(qiu)(qiu)(qiu)鉸(jiao)位(wei)(wei)(wei)(wei)(wei)移(yi)(yi)箱(xiang)(xiang)內(nei)部(bu)采(cai)(cai)用(yong)關(guan)節軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng),軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)內(nei)圈與(yu)(yu)中(zhong)支(zhi)(zhi)(zhi)(zhi)(zhi)架(jia)之(zhi)(zhi)(zhi)間采(cai)(cai)用(yong)簡(jian)支(zhi)(zhi)(zhi)(zhi)(zhi)梁形(xing)(xing)式的(de)(de)(de)(de)(de)(de)(de)銷軸(zhou)(zhou)(zhou)連(lian)接。軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)內(nei)、外(wai)圈的(de)(de)(de)(de)(de)(de)(de)相(xiang)對(dui)轉動(dong)(dong)實(shi)(shi)(shi)現(xian)支(zhi)(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)(zuo)的(de)(de)(de)(de)(de)(de)(de)萬向轉角功能;此(ci)類支(zhi)(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)(zuo)中(zhong)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)內(nei)圈與(yu)(yu)銷軸(zhou)(zhou)(zhou)有兩(liang)種(zhong)配合(he)(he)形(xing)(xing)式:1、軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)內(nei)圈與(yu)(yu)銷軸(zhou)(zhou)(zhou)之(zhi)(zhi)(zhi)間采(cai)(cai)用(yong)間隙配合(he)(he),其(qi)相(xiang)對(dui)滑(hua)(hua)動(dong)(dong)實(shi)(shi)(shi)現(xian)較小位(wei)(wei)(wei)(wei)(wei)移(yi)(yi)功能,與(yu)(yu)銷軸(zhou)(zhou)(zhou)線垂直(zhi)方(fang)向的(de)(de)(de)(de)(de)(de)(de)位(wei)(wei)(wei)(wei)(wei)移(yi)(yi)是通(tong)(tong)(tong)過軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)座(zuo)(zuo)(zuo)與(yu)(yu)球(qiu)(qiu)(qiu)鉸(jiao)位(wei)(wei)(wei)(wei)(wei)移(yi)(yi)箱(xiang)(xiang)箱(xiang)(xiang)體(ti)之(zhi)(zhi)(zhi)間的(de)(de)(de)(de)(de)(de)(de)不銹鋼(gang)板(ban)(ban)(ban)和聚四氟(fu)乙(yi)烯(xi)滑(hua)(hua)板(ban)(ban)(ban)之(zhi)(zhi)(zhi)間的(de)(de)(de)(de)(de)(de)(de)滑(hua)(hua)動(dong)(dong)實(shi)(shi)(shi)現(xian),支(zhi)(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)(zuo)的(de)(de)(de)(de)(de)(de)(de)雙向位(wei)(wei)(wei)(wei)(wei)移(yi)(yi)均(jun)是在球(qiu)(qiu)(qiu)鉸(jiao)位(wei)(wei)(wei)(wei)(wei)移(yi)(yi)箱(xiang)(xiang)內(nei)實(shi)(shi)(shi)現(xian),所以此(ci)類支(zhi)(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)(zuo)不需要(yao)位(wei)(wei)(wei)(wei)(wei)移(yi)(yi)箱(xiang)(xiang),可大大減小與(yu)(yu)主體(ti)結構的(de)(de)(de)(de)(de)(de)(de)配合(he)(he)尺寸;2、軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)內(nei)圈與(yu)(yu)中(zhong)支(zhi)(zhi)(zhi)(zhi)(zhi)架(jia)通(tong)(tong)(tong)過套(tao)筒(tong)進行定(ding)位(wei)(wei)(wei)(wei)(wei),即(ji)銷軸(zhou)(zhou)(zhou)與(yu)(yu)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)內(nei)圈相(xiang)對(dui)固定(ding),水平位(wei)(wei)(wei)(wei)(wei)移(yi)(yi)中(zhong)的(de)(de)(de)(de)(de)(de)(de)軸(zhou)(zhou)(zhou)向位(wei)(wei)(wei)(wei)(wei)移(yi)(yi)是通(tong)(tong)(tong)過位(wei)(wei)(wei)(wei)(wei)移(yi)(yi)箱(xiang)(xiang)與(yu)(yu)中(zhong)支(zhi)(zhi)(zhi)(zhi)(zhi)架(jia)之(zhi)(zhi)(zhi)間的(de)(de)(de)(de)(de)(de)(de)不銹鋼(gang)板(ban)(ban)(ban)和聚四氟(fu)乙(yi)烯(xi)滑(hua)(hua)板(ban)(ban)(ban)的(de)(de)(de)(de)(de)(de)(de)相(xiang)對(dui)滑(hua)(hua)動(dong)(dong)來實(shi)(shi)(shi)現(xian),與(yu)(yu)之(zhi)(zhi)(zhi)垂直(zhi)方(fang)向的(de)(de)(de)(de)(de)(de)(de)位(wei)(wei)(wei)(wei)(wei)移(yi)(yi)是通(tong)(tong)(tong)過軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)外(wai)圈所套(tao)方(fang)形(xing)(xing)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)座(zuo)(zuo)(zuo)志箱(xiang)(xiang)體(ti)間的(de)(de)(de)(de)(de)(de)(de)不銹鋼(gang)板(ban)(ban)(ban)和聚四氟(fu)乙(yi)烯(xi)滑(hua)(hua)板(ban)(ban)(ban)的(de)(de)(de)(de)(de)(de)(de)相(xiang)對(dui)滑(hua)(hua)動(dong)(dong)實(shi)(shi)(shi)現(xian)。
一、普通型幕墻專用球(qiu)鉸(jiao)支(zhi)座(zuo)的設計依(yi)據
1、GB50017-2003《鋼結(jie)構設計規范》
2、GB/T17955-2009《橋梁球型支座》
3、GB50011-2001《建筑抗震設計規(gui)范》
4、GB50463-2008《隔振設計規范》
二(er)、普通型幕墻(qiang)專用球鉸支座的(de)設計(ji)參數及技術性能
1、支座沿銷軸徑向受(shou)力分為(wei)300KN、500KN、1000KN、1500KN、2000KN、2500KN、3000KN、4000KN、5000KN、6000KN、7000KN、8000KN、9000KN、10000KN十四個級別(bie);
2、支座沿銷軸向(xiang)受力(li)徑向(xiang)力(li)的40%之內;
3、支座轉角為0.02rad(以可(ke)根據實際需求(qiu)在0.02-0.08rad范圍內做相應(ying)設計);
4、水平位移(yi)量為(wei)(wei)±60mm-±100mm,針對不同(tong)工程所需的位移(yi)量,可另(ling)行設(she)計。(為(wei)(wei)某(mou)些(xie)特殊工程我(wo)們設(she)計的位移(yi)量可達±500mm)
三、普通(tong)型幕墻(qiang)專用球鉸支座的代號
MZQZ-支座類型代號:幕(mu)墻專用球鉸支座
KN-支座豎向承載力
PGD-支座型式代號:普通(tong)固(gu)定(ding)(ding)型(MZQZ-JGD普通(tong)固(gu)定(ding)(ding)型幕墻專用球鉸支座)
PDX-支座(zuo)型式代號(hao):普通單向(xiang)位移(yi)型(MZQZ-JDX普通單向(xiang)位移(yi)型幕墻(qiang)專用(yong)球鉸支座(zuo))
PSX-支(zhi)座(zuo)(zuo)型(xing)式代號:普通(tong)雙向(xiang)(xiang)位移型(xing)(MZQZ-JSX普通(tong)雙向(xiang)(xiang)位移型(xing)幕墻專用球鉸支(zhi)座(zuo)(zuo))
注:以上支(zhi)座的技術(shu)參(can)數:銷(xiao)軸徑向(xiang)(xiang)力:300KN-10000KN;銷(xiao)軸軸向(xiang)(xiang)力:90KN-3000KN;
轉(zhuan)角:0.03rad;X向位(wei)移:±60mm和(he)(he)±100mm;Y向位(wei)移:±60mm和(he)(he)±100mm;
設計剛度(du)180KN/m-6000KN/m。
◎ 減震型幕墻專用球鉸支座(MZQZ)
減(jian)震(zhen)型幕(mu)墻專用(yong)球鉸支(zhi)座是在普通幕(mu)墻專用(yong)球鉸支(zhi)座的(de)(de)基礎上增加了減(jian)震(zhen)裝置(zhi)。在正常工作過程中減(jian)震(zhen)裝置(zhi)可(ke)彌補支(zhi)座位(wei)(wei)移間(jian)隙的(de)(de)晃動(dong)量(liang),同時確保(bao)相對(dui)位(wei)(wei)移部件之(zhi)間(jian)免撞擊(ji)(ji)。板簧(huang)(huang)受(shou)擠壓過程中,簧(huang)(huang)片(pian)之(zhi)間(jian)摩擦可(ke)起(qi)到一定(ding)的(de)(de)耗能(neng)作用(yong)。當支(zhi)座受(shou)到如地震(zhen)、颶風等外界因素產生的(de)(de)沖(chong)擊(ji)(ji)載荷時,減(jian)震(zhen)裝置(zhi)可(ke)通過其調(diao)節(jie)功能(neng)吸收沖(chong)擊(ji)(ji)力(li)。降低(di)加速度,從而(er)對(dui)支(zhi)座本身及建筑主體起(qi)到保(bao)護(hu)作用(yong)。減(jian)震(zhen)裝置(zhi)本身的(de)(de)剛度根(gen)據建筑主體的(de)(de)受(shou)力(li)和位(wei)(wei)移的(de)(de)需要而(er)確定(ding)。
一(yi)、減震型幕墻專用(yong)球鉸(jiao)支座的設(she)計依(yi)據(ju)
1、GB50017-2003《鋼結構設計規范》
2、GB/T17955-2009《橋梁球型支座(zuo)》
3、GB50011-2001《建筑抗震設計規范》
4、GB50463-2008《隔(ge)振設計規范》
二、減(jian)震型幕墻專用球鉸(jiao)支座(zuo)的設計(ji)參數(shu)及(ji)技術(shu)性(xing)能
1、支座沿銷軸徑向受(shou)力分為(wei)300KN、500KN、1000KN、1500KN、2000KN、2500KN、3000KN、4000KN、5000KN、6000KN、7000KN、8000KN、9000KN、10000KN十四個級別;
2、支座沿銷軸(zhou)向受力徑向力的40%之內;
3、支座轉(zhuan)角為0.02rad(以可根據實(shi)際需求在0.02-0.08rad范圍內做相應設計);
4、支座水平位(wei)移剛度為90KN/m-900KN/m之間;
5、水平位移(yi)(yi)量為±60-±100,因固定減震而設(she)計的位移(yi)(yi)量為±15,針對不同工程所(suo)需(xu)的位移(yi)(yi)量,可(ke)另行設(she)計。
三、減震型幕墻專用(yong)球鉸支(zhi)座的代(dai)號
MZQZ-支座(zuo)類(lei)型代號:幕墻專用球鉸支座(zuo)
KN-支座豎向承載力(li)
JGD-支座型式代(dai)號:減震固定型(MZQZ-JGD減震固定型幕墻專(zhuan)用球鉸(jiao)支座)
JDX-支座型(xing)式代號:減(jian)震單(dan)向(xiang)位(wei)(wei)移(yi)型(xing)(MZQZ-JDX減(jian)震單(dan)向(xiang)位(wei)(wei)移(yi)型(xing)幕(mu)墻專用球鉸支座)
JSX-支座(zuo)型式代號:減震雙向位移(yi)型(MZQZ-JSX減震雙向位移(yi)型幕墻專(zhuan)用球(qiu)鉸支座(zuo))
注:以上支(zhi)座的技術(shu)參數(shu):銷軸徑向力(li):300KN-10000KN;銷軸軸向力(li):90KN-3000KN;
轉角:0.03rad;X向(xiang)位移(yi):±60mm和±100mm;Y向(xiang)位移(yi):±60mm和±100mm;
設計剛度180KN/m-6000KN/m。