Trao ddi hgc thudt & Thdng tin Khoa hgc Cdng nghe M O T S O K E T Q U A T H U C H I E N DU* AN SAN X U A T T H U N G H I E M
" H O A N T H I E N T H I E T K E VA C O N G N G H E C H E T A O M A Y M B R - 0 2 L A P O A T DUC>NG S A T O V I E T N A M "
PGS. TS. NGUYEN BINH NCS. ThS. NGO VIET DAN B6 mon Mdy xdy dung - Xip dd Khoa Ca khi
Trudng Bgi hpc Giao thdng Van Idi
Tdm tdt: Bat bdo gidi thiiu mgt so kit qua cua du dn sdn xudt thu nghiem cdp Bo md sd B2012-04-08DA- Du dn hodn thdnh vdi cdc san phdm gdm: 01 bg bdn ve thiit ki mdy MDR-02 da duac hodn thiin, tdp quy trinh che tgo vd ldp rdp mdy, 01 mdy MDR-02 dugc che tgo theo hd sa thiit ke. Ddy Id du dn ddu tiin vi che lao mdy dgt dudng sdt dugc dp dung vdo thuc ti.
Summary: The report introduces some results of test product project ofthe B2012-04- 08DA with some implementation products'lhe set design drawing of MDR-02 machine, documents about gf manufacturing - assembling process and the MDR-02 machine This project manufacture railway laying machine is the first applicated lo reality.
I. D A T VAN D E
D e gdp phan n i n g cao chat lupng khi xay d u n g d u d n g sat, de tai: "Nghien cuu che thir mdy
dgt cdu ray MDR-01 de thi cdng tdng tren duang sdt Viet Nam" da dugc trien khai vi nghiem thu ngay 17/11/2010 dgt ket qua xuat sac. Cac ket qua thic nghiem may MDR-01 da khang dinh nguyen ly lam viec va ket cau miy co ban la hop ly va budc dau phii hop vdi dieu kien thi cdng kien triic tang tren DSVN Hoi ddng
nghiem thu cip Bg da ghi nhan Ket qud nghien ciru co the img dung vao thirc te thi cdng tdng tren tuyen dirang sdt Viet Nam, ldm gidm thai gian thi cong vd se mang lgi hieu qua kinh le Tuy nhien dieu kien .lim viec a cdng trudng rit khic nghiet nen may MDR - 01 mdi che tgo lan dau chua co du tinh nang de lim viee lau dai. Vi viy du an sin xuit thir nghiem: "Hoan then thiet ke va cdng nghe che tgo may MDR-02 ldp dgt dirang sdt d Vi^l Nam" nham
xiy dyng co sd cdng ngh? cho viec chi Hinh I. Mdy dgt duong sdt MDR-01 dangthicong tgo logt sin phim tiep theo dap iing nhu trin dudng sdt Hg Long - Cdi Ldn, 2011
Tgp chi KHOA H Q C GIAO THONG VAN TAI S6 43 - 09/2013
Trao ddi hgc thudt & Thdng tin Khoa hgc Cdng nghe
cau trien khai cic du in xiy dung dudng sit Viet Nam tdi nhirng nam 2020 - 2030 la rit can thiit. Ndi dung bii bao chi trinh bay mpt sd ket qua chinh ciia du an da dgt dugc.
n . NOI DUNG
L Gidi thieu tdm tat ve may MDR 01 da che tao
May MDR-01 li sin phim ciia di tii KHCN cip bd B2008 - 04 - 84DT, miy da dugc nghien ciru, thiet ke va che tao tgi trudng Dgi hgc Giao thdng Van tai. Vdi die diem cd ket cau gpn, cd the thao rdi thanh ba khdi may va bd cdng tic chuyen dimg nen cd the van chuyen miy, thao lap de ding.
May cd khi nang: kep va ning - chuyen tir 5 den 7 khdi t i vet BTCT DU'L vdi sire ning tdng cdng Ii 3 tin - de dit cac t i vet nay vio diing vi tri vdi khoing each quy djnh giii'a cae ti vet la 610 - 625 mm. Cd the diing 01 may nay de hd trp qua trinh ning chuyen vi dit ray. Khi diing 2 miy gidng nhau thi hoin toan cd the ca gidi hda qua trinh kep - nang - chuyen - dgt ddng thdi 2 ray dai 25 m len cac ta vet da dugc dit trudc do.
Tuy nhien, miy mdi dupc che tgo lan dau nen mpt sd ket cau vi cum chi tiet cin dupc hoan thien bd sung nang cao dp tin cay de may cd the lam viec lau dii tren cdng trudng.
2. Nhung van de cdn giai quyet ve mat cdng nghi
T T
1
4
Tdn tai ciia may MDR-01 hien c6 Kich thirdc khung may chua thda min kho gidi han qua ham.
cau (LxHxW=4,4x4,7x4,5) m
Khung chinh con dao dong khi phanh him (c6 hing); do vong ITnh cua dam chinh f = 25 mm;
dpchoai chin 5 = 16 mm.
Bp khung nang lam viec chua linh hogt, nang suit nang t i v?t chua cao; chua thu^n ti^n g i kep khi t i vet dit lech goc > 3"
hoac > 2 cm
B6 miy nang va bp di chuyen chua c6 bao che an toin
M^c tieu du-in Xac djnh chieu cao va be rong toi da cua khung may theo kho gidi han;
Dai 3,25 m < L < 4.25 m Cao 4,0 m < H < 4 , 5 m Rpng 3,7 m < W < 4,35 m Dat dp vOng iTnh cua dam chinh f = 18mm; dp choii chan 5 = 12 mm.
Hoan thiSn bo khung nang co cu ciu kep t i v?t linh hogt; thuan tifn ga khi t i v?t bi dat lech vdi goc < 5" ho3c < 10 cm.
Dam bao cac diiu ki?n an toan v | n hinh miy nang theo quy djnh TCVN 4244 - 2005
Npi dung d u i n Hoin thien kich thudc gidi han ciia may theo kho dudng sat 1435 mm d Viet Nam
- Thiet ke bo sung chl tiSt dan hoi khi bp nang ta vet den vi tri gidi han.
- To! uu hda ket cau khung miy nang cao dp cimg vOng, dp on djnh.
Hoan thien k£t ciu v i cong nghe che tgo khung nang vdi CO cau kep - nang t i vet c6 ket cau cho phep xoay trong m5t phang ngang - Hoan thien thiit k i v i cong nghe che tao cum puly moc cau nang hing.
- Thilt ke chi tiit bao che.
126 Tap chi KHOA HOC GIAO THONG VAN TAI So 43 - 09/2013
Trao ddi hoc thudt & Thdng tin Khoa hoc Cdng nghe
T T
5
6
7
8
Ton tai cua m i y MDR-01 hien c6 He thuy luc chua 6n dinh, dpng c a thiiy luc di chuyen chua ding toe; toe dp di chuyen may chi dat v = 28 m/phiit
He thing ray tam chua on dinh; dp xe dich Iren m^t bang c6n ldn khi may di chuyen
Chua CO ghe ngoi v i mai che cho thp diiu khien may
Chua CO hf thong tin hifu v i an loan khi thi cong
Muc tieu d t r a n Nang cao dp an toin cho he thong thiiy luc co cau nang ha;
hai cym banh chu dong di chuyen may d i n g t i c , lang t i c dp di chuyin v = 31 m/phiit Ning cao dp cimg v&ng cua ray lam; thich irng lam viec tren nin dit da dupc dim chat k-0,90;
dam bao khoang cich hai ray theo thiit ke
Dam bao an loan thuan lien cho thp diiu khiin khi van hanh
Dam bao tin hieu an toan khi may lim viec
Npi dung d u a n Hoan thien ihiit k i va chi lao he thong thuy luc, c o cau nang hing va di chuyin may de nang cao hieu sual lam v,ec va mirc dp an loan.
Hoan thien thiit k i va cong nghe che tao bo duang ray di chuyen may
- Nghien ciiu thiet ke cabin, thiet ke bo sung chi liel bao che.
- NghiSn ciru thiit k i b i sung thiit bj dien, d^n bao tin hieu, c6i ding i c quy.
3. Sdn pham thiet ke cua dtr dn (gi&i thieu mdt so hinh ve ket cdu chinh)
3.1. Eg cdng tdc cda mdy MDR-02 la mpt khung tuy khdng phirc tgp ve ket cau nhung nd cd cdng ning rit quan trpng la kep di nang cic ta vet BTCT DU'L vi ray. Dy in B20I2-04-08DA da thiit ke chi tgo thanh cdng bd khung nay, trong dd cd 2 cym chi tiet quan trpng li: kim kep nang ray vi bd cdng tic kep - nang ta vet.
i , : i j ' i i '
i
Hinh 2. Bp cong ldc kep vd ndng td vet BTCT DU'L I) Bu long treo ma ni: 2) Ma ni; 3) Thanh kio;
4} Bu long: 5) Md kep
Hinh 3. Kim kep ndng ray I) Don ngang tay quay: 2) Tay_ ndm
3) Tdm cu, 4) Bu long xodn 3.2. Mdy MDR-02 dugc thiit ki hodn thien tren co sd phin tich dinh gii, tinh toin lai mdt so kit ciu nhim ting dp bin, dp an loan, tinh thim my, die biet da thiet ke lai cum di chuyen vi bd sung CO ciu nang de quay miy miy khi di qua ciu, ham, cy thi la:
Trao ddi hoc thudt & Thdng lin Khoa hgc Cdng nghe
' Cac bd phgn va cum chi tiit dupc thiit ki hoin thien: 1, 2 , 7, 9, 10, 11, 12, 16, 17, 18, 22.
-Caecum chi tietdugc thiet ke mdi bd sung 8, 13, 19,20, 23, 28, 29, 31, 32, 33.
V
Hinh 4. Tong thi mdy MDR-02
I) Ray di chuyen mdy; 2) Bg dl chuyin chu dong; 3) Md ta thuy luc di chuyin mdy, 4) Thiing ddu thity luc;
5) Cum van phdn phdi: 6} Hop diiu khiin chudng vd den tin hi^u. 7) Khung chdn dudi, 8) Mdi che; 9) Bp cong tdc ndng ray vd la vet; 10) Khung chdn trin; 11) Cum moc cdu: 12) Cdu thang; 13) Den tin hiiu:
14) Dpng ca Diezel; 15) Bam thuy tuc; 16) Cum truyin dpng bam thuy lgc; 17) Bo di chuyen bi dong;
18) Cum ong ddn ddu thuy luc; 19) Bu long liin kit; 20) Cum ddy dien; 21) Thanh hgn vi; 22) Ndf) che xi lanh; 23) Cum bdnh xe ddpuly dpng, 24) Cgm tai dd true vd cdp treo; 25) Xi lanh thuy luc; 26) Cum puly doi xilanh ndng hdng; 27) Cgm puly trung gian; 28) Chuong dien; 29) Cum ghi ngdi diiu khiin; 30) Cdp treo vd kep cdp; 31) Hop che bp truyen xich; 32) Tu dung dc quy vd do nghi; 33) Cdc tdm doi trpng.
3.3. De mdy co the di qua hdm, cdu - cd gidi ban kich thudc theo chieu rdng, ta phai nang may bang ki'ch thuy luc va xoay 4 bd banh xe di chuyen 1 gdc 90° sau dd quay may mdt gdc 90"
de may dang di chuyen tren 2 dudng ray tgm cd khoing cich 3,76 m sang dudng ray cd khoang each 2 m (hinh 5).
[EL
-.^^i^
Hinh 5. Tdng thi mdy MDR-02 khi di qua hdm 3.4. He thong truyen dgng vd dieu khien mdy
Sa vdi may MDR-01 thi he thing truyen ddng vi diiu khiin tren miy MDR-02 da dugc nang cap va hoan thien hon; cu the la:
- Dpng ca dupc lap them bd dng xi giam thanh (6);
- Bd tri them 1 ghe ngdi diiu khien cd giim chin (3);
- Cum van phin phdi thiiy luc (2) dupe bo tri d ben phai phia tren thimg diu (I), hop dieu khiin edi vi den tin hieu (4) lip d phia ben trai - giup cho thao tic dieu khien thuan lgi;
128 Tap chi KHOA HOC GIAO THONG VAN TAI So 43 - 09/2013
Trao ddi hgc thudt & Thdng tin Khoa hoc Cdng nghe - Lap th6m I vich ngan giiJa dpng ca vi ghe ngdi (5) di an toin va giam dn;
- Trang bi them mpt tii chua ic quy va dung cu sira chua may (7);
- Ngoai ra mai che ciing vdi ghi ngdi (3), vach ngin (5), thimg dau (2) va cym van phin phdi thuy lyc (2) tgo thinh 1 cabin diiu khiin dang hd.
Hi
Hinh 7. Chi lao mm so LHI ticl \a kit LMI mdy tai tnedng DH uTVT(09/2013)
III. KET LUAN VA KIEN NGHI
Dy an B2012-04-08DA li mot cdng trinh khoa hpc cdng nghe dupc thyc hien mgt cich ti mi, nghiem tiic, nhdm nghien ciru da cd gang van dung kinh nghiem thuc te ve thiet ke che tgo de lam ra san pham cd tinh kha thi cao ve cdng nghe.
Sin pham nghien ciru hoin thien thiet ke va cdng nghe che tao da dupe hoan thanh vao thing 09/2013 la ca sd de trien khai che tgo thanh cdng may niy. Sin pham may thyc dang dugc chi tgo tgi trudng Dai hpc Giao thong Van tii vi se hoan thien vao thing 11/2013, hdi ty dil tinh mdi, hoan thien dupc cong nang, tinh thim my tien dyng va muc do hien dgi. May MDR-02 dugc chi tgo hoan toin du diiu kien di tham gia vao cdng tac ca gidi hda xay dung dudng sat Viet Nam,
Tii Ii5u tham khao
[1], Nguyin Binh va cong su. Bdo cdo tfing ket de tai nghien ciiu khoa hoc va cong nghe trong diem cap Bo GD&DT: "Nghien ciiu thiat ki cha thir may flat cku ray MDR - 01 di thi c6ng tSng Iran dirc-ng sat ViSl Nam"
ma si: B2008-04-8TD, HdNSi 2010.
[2], Nguyen Binh vd cgng su, Bao cao tong kat da tai khoa hpc va cong nghe cdp Bo GTVT, "Nghien ctiu lira chpn cong nghe thi cong co gioi kiin triic tdng IrSn khi xdy dung moi tuyin duang sat Viet Nam" ma so: DT 094023, Ha Noi 2009,
[3]. Nguyin Binh vd cong su, Bao cao t6ng kSt da tai khoa hoc va cong nghe cdp Bp GTVT: "Nghian ciru hoan thien c6ng ngh? lip dat ta vet BTCT DUWL bang mdy, ap dung thii nghiem tran tuyin ducmg sat Ha Long - Cii Lan" ma s6: DT 114062, Hd Noi 2011.
[4]. Nguyin Binh vd cong su, H6 so dir an san xudt thii nghiem cdp Bp GDDT, tan dir dn, "Hoan thien thiet ke va cong nghe cha tao may M D R - 0 2 ldp ddt dirong sdt a Viet Nam" ma s i : B2012-04-08DA, Ha Noi 2012*
Phan bian: TS. Nguyin Dinh Tu