Thdng tin khoa hoc cdng nghe m o i "W CAP THEP VA ANN Hi/dNC CUA MO MEN XOAIN CAP tdi thung true cua true tai gieing dumg mo tlian haim Io steel cable has been widely used in the industrial secTS TA NGOC HAI tors, as a key part In many equipment carrying materials and TS.TABINHHCING KS TRAN NGO HUAN workers, in the mining sector, steel cable has been also used With large quantity In the equipment for coai and KS VO HCru HOANG materials transportation in underground and open pit coal VIdn Khoa hQC Cdng nghd Md - VInacdmIn mining and processing activities In tnis paper, the authors Bien tap: TS Bio Bic Tao refer to the torque of the steel cable to the hoisting bucket at the vertical shafts used In underground coal mines Cip thep dyoc sy dgng rdng rii cie nginh edng nghidp, l i bd phin thiit y i g ega nhieu thiit b| v i n ehuyin, ning hp ngydi, v i t lipg Cip thep cOng duoc sy dgng vdi sd lycng Idn: eic c i n trgc, miy nang, eua mdt sd lopi miy xije md id thien, miy bde rd tpi c i c cang than, tdi tn,ie, tn,ic tai tpi cie md than him Id Theo kit qua khao sit, sd lypng thiit bj sy dgng cip thep Vinacomin len tdi hon 800 chiic [2], sd cd e i c trgc tai giing nghidng -17 tnjc tai v i giing dyng 04 trgc tii Sd lypng trgc t i i giing dyng se cdn tang triln khai c i c dy an khai thac than h i m Id Niji Beo, Khe Chim II- IV va eic dy i n khic Cic trgc tai giing nghieng v i giing dd-ng cd cdng suit Idn, sir dgng c i p thip dydng kinh Idn so vdi eic miy ning thdng thydng Sy l i m vipc khdng giin dopn, an toan phg thupc r i t nhieg v i o chit lypng c h i tpo cip, lya chpn lopi c i p phg hpp vdi diig kipn sy dyng, qgy trinh sy dgng van hinh v i bap dydng cip B i y l i bd phpn lien kit giya tang cgdn cip v i thung trgc ega tmc tai md, cip thdp cdn t i c ddng tryc tiip tdi thung tmc nhy: Igc ning v i lyc md men xoin eua cip Vi vpy v i n d i lya chpn c i p thep v i nghien eyu anh hydng lyc t i c dpng ega c i p thep len thCing trgc cin dypc xem xdt thiet ke hp thdng trgc tai giing diing C i p thep va lijia chpn cap thep Tpi c i c nyde edng nghipp phit triln, c i p thep dypc nghien cirg, s i n xuit phge vg nhg c i g nyde v i xgit khig Do ITnh vyc phyc vg da dpng, cd mpt sd lypng Idn chOng lopi cap thep vdi nhyng khic bipt ve kit eiu, edng nghp c h i tae, v i t lidu c h i tao v i di cCing l i thiit bj kiem tra q g i trinh s i n xgit cQng nhy sy dgng [2] C i u tao ega c i p thep thydng nhy sau (hinh 1): Loi, c i c dinh bpn quanh Idi Danh dypc ben tCi" cic spi thdp (hpp kim hope mp kem) Tuy thudc v i o vat lieu ehl tao Idi, cap thep phan ra: Cip idi v i t liiu hOg co, c i p Idi sp^i thdp, c i p v i t lidu nhin tpo Cip thep vdi Idi bing spi thep cung cd t h i phan ra: Cap vdi tdi l i c i p thep (IWRC- Independent wire rope core): c i p vdi Idi l i dinh c i p (SC- Strand core) Tpi Lien bang Nga, k^ hipu c i p thep phan theo v i t lidg lei nhy sau: Lni vpt lipg hyg eo (O.C), Idi bang kim loai mIm (M.C.M.) vdi lye keo diM s900 N/mm2; Loi bang chinh spi thip cCia c i p (M.C.); Loi vat lipg nhan tao (H.C) Theo hydng bdn cua danh, c i p thep phin ra: Cap bpn hydng trii (hinh 2a,b); C i p ben hydng phai (hinh 2c,d,e) Vipc ehpn hydng bpn eua cap phai phCi hpp vdi hydng eu6n cua tang Theo sy phdi hpp hydng bdn cOa dinh v i cOa cip thep phin ra: Cip bpn mdt chilg (bpn , Cip thip Hinh Ciu tao cip thip 1)Ldl:2jDinh:3)Salthip KHCNM S6 7/2015* CO DIEN - T I T D O N G HOA Thdng tin khoa hpc cong nghe m d 3SE A A '9^9 A A dWl dWUWf eVdW bW K a^ U ' P 81 AW^V e) Hodng phii, bin mdt chliu Hinh Phin Idal cip thee sd lin bdn vi tiit dlin dinh 1- Cip dinh trdn: a) Sai mdt dadng kinh: b) Sal khic duang kinh; 2-Cip dinh ba canh; 3-Cip dinh hinh d van; 4-Cip dinh det; 5- Cip det Hinh Phin Idal cip thip thee hifdng bin thgin- Lang lay)- Hydng bpn soi thdp dinh v i hydng ben ega danh thinh c i p cCing chilg ; Cip bdn chdo (ben ngypc- Regglar lay)Hydng b$n spi thdp danh v i hydng bpn ega danh thinh c i p ngypc chilu Hipn nay, mdt sd nhi s i n xuit dya c i p thdp bpn h5n hpp, c i c danh cua c i p bpn theo eie hydng ngypc (hinh 2) Cip bpn mdt chliu cd nhOng yu dilm sau: l\llm, spi cip It bj hy hdng udn qua pu ly din hydng v i tang oudn cip, d l qgan sit tlnh trpng eie spi chilg d i i Id ben ngoii tyong ddi idn Bd bin Idn hon c i p bdn chdo Tgy nhien, cip niy cDng cd nhyoe diim: Bj v|n xoin, de bj t i n thyong qga pgly, tang cgdn dydng kinh nhd, qua rinh c i p b i , d i p qua tang udn, hdng tnjpt trdn tang Khi l i p dat v i sy dgng c i n thin trpng vl d l bj xoin, bj x5 khdng bude diu cip Nhype diim n i y cd t h i khae phge mdt phin bing cich tpo biln dpng trydc cic dinh ehl tpo Theo tilt didn eiJa danh phin ra: Cip danh trdn: cip danh hinh (ba cpnh, d van, dpt) (hinh 3) Theo sd lin bdn: C i p bin don (mdt lin)- Mdt dinh cip sir dgng nhy mdt cip ddc lip; Cip bpn kip- dinh bin qganh Idi; C i p bdn ba lypt (hinh 4) KHCNM s d 7/2015' CO BIEN - TV D O N G HOA Hinh Cic kliu piiSfhap sai thip bdn dinh cip thip Theo phyong phip bpn, c i p thdp phin ra: C i p ty s i - Spi thep ega danh v i dinh bj s6 khdng bgdc d i g cip; Cip khdng s i - Spi thip cOa dinh v i danh giO nggyen trang thii bdn vdi khdng bude d i g cip Theo mi>c dd ty s6 phan ra: Cip ty s i (cip bdn mdt chilu t i t ea cie danh); c i p it s6 (cip nhilu Idp, eie Idp bin ngypc chilu nhau) Theo hinh d i n g tiit dipn cua cip, c i p thip phin c i p trdn (hinh 3.1+ 3.4) v i c i p dpt (hinh 3.5) Thdng thydng, c i p trdn SLH dgng lim cip ning, c i p mang, c i p kio, c i p d i n hydng, cdn c i p dpt (hinh 3.5) si> dyng lim cip dudi (cip cin bing) C i c dinh cua c i p ed t h i bdn tCf cic spi thip cd dydng kinh khic Thee phin bd chung lopi spi thip, cd t h i phin ra: Bin kilu vdng kin (seal- hinh 4.a); Biin kilu diln diy (filter- hinh Thdng tin khoa hpc cong ngh§ m o 4.b); Ben kilu xen ke (Warrington- hinh 4.c) v i c i c kilu bpn danh phdi hpp cua ba kilu ben niy (hinh 4.e,f,g,h) Bipn phip bpn niy lam tang tpng dipn tich cae soi, vi vay l i m tang k h i ning chju tai cda cip W Idp k i nhag soi ciia danh, vi v i y giim m i i mdn spi v i lopi niy ed dp g i n , dp diin diy, tudi thp eao, vi vay vdi cCing mpt lye ning cd t h i dCing c i p vdi dydng kinh nhd hon Khi i i m vipc, c i p thep cd dinh tilt dipn hinh (ba epnh, d van, ) chju ap lye don vj len spi nhd hon vi dipn tich tiip xue Idn hon Dilu niy l i m c i p cd tgei thp Idn hon Cd lopi c i p thdp kit c i g kin vdi chdng m i i mdn, i n mdn cao dOng cic spi tilt didn cd hinh dpng dam bao bin thinh danh ehdng thim nyde ty ben ngoii Nhype diem ega lopi c i p niy la dp bin g i n kdm cho nen phai sy dgng vdi tang cgdn v i pu ly dydng kinh Idn Tpi Lidn bang Nga, theo dpe dilm tiip xue giya cie spi thep danh, phin ra: - C i p tilp xuc dilm (TK): C i c spi thep ega eac Idp k l nhag tilp xue diem C i c dinh loai niy cd the bpn tfp eie spi ciing hoic khac dydng kinh - C i p tiip xiic dydng {!\K): JlK-0- Spi thep eung Idp cd dydng kinh nhy nhau; JIK-PSpi thep cua Idp ngoii cDng cd dydng kinh khic (tyong dyong kilu Warrington); JIK-PODdi vdi trgc t i i gilng nghidng, diig kidn lim Spi thep cua tCmg Idp cd t h i cung hole khic vide die thg eua cap l i chjg m i i mdn cap, cho dydng kinh (tyong dyong kilu 4.h- Warington- nen c i n sO dgng c i p tiep xuc dydng /lK-0 Trgc seal); JlK-3- GiO'a hai Idp cd cie sp nhd diln diy tai phge vg d i o giing sy dgng thCing tmc hinh (tyong dyong kilu filter) tm, cd cd dopn thCing tmc chgyin dpng khdng ed - Cip kit hpp tilp Xlic diim v i dydng dydng din, nen phii dCing c i p khdng xoin, nhilu Idp cCing mpt danh (TJIK) - C i p vdi dinh d i n hdi (FIK) nhy c i p cOa Hing Bridon mic Dyform Phin tich c i c hinh thCrc tiip xCie ega spi thep ben dinh, cd t h i thiy: Khi bdn theo kilu tilp xuc dydng, khdng cd dpng tilp xdc bit lpi (tiip XLIC dilm) v i cai thipn dilg kidn lim vipc ega cic spi- giam mii trypt giO'a c i c spi eua c i c Ngoii c i p thdp phin lopi theo Idp phu: Khdng phO; Cd phu: Lim vipc vdi dilu kipn- an mdn khic Hit (0>K); i n mdn OK); i n mdn trung binh (C) Theo chijc nang v i n chuyin: Hing (f), ngydi (J1), hing-ngydi (ni) Phin lopi theo mi>c dd s i : Ty s6 - Cip bdn Bing Cic tIdu chuin cip thip dimg chd true tii Nai SU'diing Tiiu chuan vi diiu ki^n ky thu$t Cic 7T:14-4-1444-87-B: 14-4-1444-87-A1: 14-4-496-74: 14-4-156289; cap Dyform ciia Bridon^ Tang Khai thdc cac/T3C7: (7668-80:7669-80:2688-80:3805-80:16828-81:10506-761 cudn Trgc tii gilng dimg Khi dio giing CicrOCT: 10506-76: 16828-81 Cic TY: 14-4-1444-87-A (TY 14^-1444-87-5)2: Tang ma sit (rOCT 7668-80); Cap trdn danh S van Dyform Cic TY: 14-4-1444-87-B3: 14-4-874-78; 14-4-875-78 Tryc tii gilng nghiing cac/DC7 3077-80 2688-803: (3079-80: 7665-80) CdD Dvform CicrOCT; 3088-80: (16827-81; 16828-81; 3091-80: 3092-80) Cdp cdn bing cac cap: Dpt; cap bang cao su; Cap trdn khdng sd, mIm Khai thic TY 14-4-1444-87-B; CacrOCT(3090-73;7675-73;76e9-80;7667-80) Cdp din hiFdng vci tdi Chan CicrOCT 7669-80: 7667-80: 16827-81: 16828-81 dio giing TY14-4-1444-87A; Cac rOCT 3077-80; 7665-80, 3079-80; cap phanh Ghi chO: - ifu tidn sir dung cip khdng nim ngoic dan; - Cho phip si> dung bdi mdr truOc lip; - DCing cho giing nghidng Idn han SCP; KHCNM S 7/2015" CO DitN - T I / D O N G HOA w Thong tin khoa hpc cong nghe md mpt chilu; So it; Khdng s l Do dilu kipn Idm vi0c da d^ng, nhieu trm?ng hgp d§c thii, cho ndn ede nhd san xuat cung nghidn ciru vd du^ thj tivdng nhieu lo^i cdp thdp phong phu, d l ddp Crng cac dilu kipn iam vi#c CM t h i Mpt s l nhd san xuat cdp thdp n l i tilng: Bridon GmbH- Due, WIreco Wold GroupMy, Shinco wire Co Ltd.- Nh|t,TeufelbergerAustria, Ansteei wire rope Co Ltd.- Tmng QuIc Trong bang trinh bdy cdc tieu chuan cdp thep sO dung cho trgc tai md Hinh Sa 66 quay UiOng tn^c md men xoSn a)a cip ning Trdn eg sg trinh bdy v l k i t d u , cdng nghp Bing H$ s6 an toin cip thdp cOa tryc tii md c h i t^o, ddc thu cua cdp cd t h i thiy: Khi Iga theo QCVN 01:2011 BCT chpn cdp thep cho mpt thilt bj cg thi, ngodi d | H^s6 bin cap thep, la thdng s l lien quan d i n an todn Doi tupng ap dyng Z1 phai quan tam dau tidn, d n phai qua tdm den Trgc tai chd' ngu'di vd trgc tdi sg d , sCra mdi t r u ^ g , dilu ki^n Idm vt$c cua ^ i l t bj 6e ci\f^, trgc tai cdp cd tang ma sdt khdng Iga chpn cap thep voi kit d u , cdng ngh$ c h i cd trang bj phanh dCi d l chd ngudi vd t90 phu hgp hdng- ngu'di (khi tfnh theo s l ngudi); Anh h u v n g cua md men xoan cap ton Trgc tai