管縫式錨杆又叫“岩石摩擦穩定器”,縫feng管guan錨mao杆gan是shi專zhuan用yong性xing很hen強qiang的de支zhi護hu用yong品pin,是shi井jing下xia涵han洞dong頂ding板ban及ji其qi它ta工gong程cheng支zhi護hu使shi用yong的de先xian進jin材cai料liao,具ju有you製zhi造zao工gong藝yi簡jian單dan,使shi用yong方fang便bian,在zai井jing下xia錨mao噴pen支zhi護hu中zhong具ju有you錨mao固gu力li強qiang、抗kang拉la力li大da,有you很hen強qiang的de膨peng脹zhang力li,使shi整zheng個ge頂ding板ban成cheng為wei一yi體ti。將jiang管guan縫feng式shi錨mao杆gan安an裝zhuang於yu比bi管guan徑jing小xiao一yi些xie的de鑽zuan孔kong中zhong,這zhe時shi,將jiang對dui圍wei岩yan施shi加jia三san種zhong力li,一yi種zhong是shi在zai管guan縫feng式shi錨mao杆gan全quan長chang範fan圍wei內nei對dui孔kong壁bi的de徑jing向xiang壓ya力li,一yi種zhong是shi摩mo擦ca力li,用yong以yi阻zu止zhi圍wei岩yan下xia滑hua,還hai有you一yi種zhong是shi管guan縫feng式shi錨mao杆gan托tuo盤pan托tuo板ban的de承cheng托tuo力li。這zhe三san種zhong力li使shi得de圍wei岩yan更geng加jia穩wen固gu。
管guan縫feng式shi錨mao杆gan是shi一yi種zhong全quan長chang錨mao固gu,主zhu動dong加jia固gu圍wei岩yan的de新xin型xing錨mao杆gan,它ta立li體ti部bu分fen是shi一yi根gen縱zong向xiang開kai縫feng的de高gao強qiang度du鋼gang管guan,當dang安an裝zhuang於yu比bi管guan徑jing稍shao小xiao的de鑽zuan孔kong時shi,可ke立li即ji在zai全quan長chang範fan圍wei內nei對dui孔kong壁bi施shi加jia徑jing向xiang壓ya力li和he阻zu止zhi圍wei岩yan下xia滑hua的de摩mo擦ca力li,加jia上shang錨mao杆gan托tuo盤pan托tuo板ban的de承cheng托tuo力li,從cong而er使shi圍wei岩yan處chu於yu三san向xiang受shou力li狀zhuang態tai,並bing實shi現xian岩yan層ceng穩wen固gu。
在zai爆bao破po振zhen動dong圍wei岩yan錨mao移yi等deng情qing況kuang下xia,後hou期qi錨mao固gu力li有you明ming顯xian增zeng大da,當dang圍wei岩yan發fa生sheng顯xian著zhu位wei移yi時shi,錨mao杆gan並bing不bu失shi去qu其qi支zhi護hu抗kang力li,它ta比bi漲zhang殼ke式shi錨mao杆gan有you更geng好hao的de特te性xing。
管縫式錨杆產品參數:
管(guan)縫(feng)式(shi)錨(mao)杆(gan)表(biao)麵(mian)應(ying)平(ping)整(zheng),無(wu)拉(la)傷(shang)鏽(xiu)蝕(shi),焊(han)縫(feng)應(ying)無(wu)裂(lie)紋(wen),也(ye)不(bu)能(neng)有(you)氣(qi)孔(kong)夾(jia)渣(zha),不(bu)允(yun)許(xu)燒(shao)穿(chuan)管(guan)壁(bi)。托(tuo)盤(pan)在(zai)杆(gan)體(ti)上(shang)能(neng)自(zi)由(you)移(yi)動(dong),檔(dang)環(huan)接(jie)口(kou)相(xiang)互(hu)錯(cuo)位(wei)。
管縫式錨杆主要技術性能 :
(1)初始錨固力: 3~7噸;
(2)管環拉脫荷載: 8~10噸;
(3)錨杆管抗拉斷能力:12~13噸;
(4)耐腐蝕性能比A3鋼高20~30%,利於長期使用。
管縫式錨杆規格:
(1)外徑(毫米):Φ30,Φ33,Φ40,Φ43(±0.5)
(2)長度(毫米):1200、1500、1800、2000、2500 ;
(3)材質:16Mn,20 Mnsi;

