現如今(jin)滑動球鉸(jiao)鋼(gang)支座(zuo)在建筑鋼(gang)結(jie)構工程中得到了越來越廣(guang)的(de)(de)應用，而球鉸(jiao)鋼(gang)支座(zuo)也是分大(da)小的(de)(de)（行業中按重量計算價格，在這里用大(da)小表示只(zhi)是為(wei)了體現直觀(guan)性），隨著結(jie)構跨(kua)度的(de)(de)增大(da)、寬度的(de)(de)增大(da)以及載(zai)重量的(de)(de)增大(da)，都要選擇合適型號的(de)(de)產品。

    滑(hua)動球(qiu)鉸(jiao)支座(zuo)(zuo)根據工程結(jie)構和支座(zuo)(zuo)的使用性能，可分(fen)為兩個類型：單(dan)向滑(hua)動球(qiu)鉸(jiao)支座(zuo)(zuo)（DX）和雙向滑(hua)動球(qiu)鉸(jiao)支座(zuo)(zuo)（SX），基本結(jie)構是(shi)由球(qiu)體、四氟滑(hua)板、箱(xiang)體、密封蓋、上球(qiu)殼(ke)、底座(zuo)(zuo)、密封蓋板、不銹鋼板等組(zu)成的。

    滑(hua)動(dong)球鉸鋼支(zhi)座(zuo)(zuo)(zuo)的(de)位移，是由上支(zhi)座(zuo)(zuo)(zuo)滑(hua)板(ban)與平(ping)面四氟板(ban)之間(jian)滑(hua)動(dong)來實現(xian)，通過在上支(zhi)座(zuo)(zuo)(zuo)滑(hua)板(ban)上設置導向(xiang)槽或導向(xiang)環來約束支(zhi)座(zuo)(zuo)(zuo)的(de)位移方(fang)向(xiang)，可制成(cheng)單向(xiang)活動(dong)支(zhi)座(zuo)(zuo)(zuo)和固(gu)定支(zhi)座(zuo)(zuo)(zuo)。

    滑(hua)動(dong)(dong)(dong)(dong)球(qiu)(qiu)鉸鋼支(zhi)(zhi)座豎(shu)向(xiang)轉角，是由球(qiu)(qiu)面(mian)板(ban)(ban)(ban)與球(qiu)(qiu)面(mian)四氟板(ban)(ban)(ban)之間(jian)的滑(hua)動(dong)(dong)(dong)(dong)來實現的。通常(chang)由于支(zhi)(zhi)座的轉動(dong)(dong)(dong)(dong)中心(xin)(xin)與上(shang)(shang)部(bu)轉動(dong)(dong)(dong)(dong)中心(xin)(xin)不重(zhong)合，因此在上(shang)(shang)支(zhi)(zhi)座板(ban)(ban)(ban)與平面(mian)四氟板(ban)(ban)(ban)之間(jian)形成第二滑(hua)動(dong)(dong)(dong)(dong)面(mian)。根據上(shang)(shang)部(bu)結構與支(zhi)(zhi)座轉動(dong)(dong)(dong)(dong)中心(xin)(xin)的相應位置(zhi)，球(qiu)(qiu)面(mian)轉動(dong)(dong)(dong)(dong)方向(xiang)可以與平面(mian)滑(hua)動(dong)(dong)(dong)(dong)方向(xiang)一致或相反(fan)。如果兩轉動(dong)(dong)(dong)(dong)中心(xin)(xin)重(zhong)合，則平面(mian)上(shang)(shang)就不會發生(sheng)滑(hua)動(dong)(dong)(dong)(dong)。支(zhi)(zhi)座轉動(dong)(dong)(dong)(dong)時，先是發生(sheng)在球(qiu)(qiu)形板(ban)(ban)(ban)與球(qiu)(qiu)面(mian)四氟板(ban)(ban)(ban)處，然(ran)后才在平面(mian)四氟板(ban)(ban)(ban)上(shang)(shang)發生(sheng)滑(hua)動(dong)(dong)(dong)(dong)。

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