Khoa hoc Ky thuat va Cong nglie Nghien cufu, thiet ke, che tao may bua thuy li/c MHP-01 dong coc ho lan di/6ng to > S -* ' Nguyen Binh*, Nguyen Hihi Chi Truang Dgi hoc Giao thong Van ldi Ngay nhan bai 14.10.2015, chuyen phan bien 20.10.2015, nhan phan bien 25.n.2015, chip nhan dang 30.11.2015 Bai bao trinh bay ket qua chii yeu cua de tai khoa hoc: "Nghien curu thiet ke che too mdy bda thuy lire MHP01 ddng cpc hp lan dw&ng d td" Tir viec chon phircmg an phu hop, de tai da tien hanh tinh toan xac dinh cac thong so va thiet ke cac cum, cac chi tiet; xay dvng quy trinh che tao may May da du-grc che t^o cong v ^ nhi§u ini diem so v6i may tiromg tir nhap ngoai ve cac chi tieu kinh te va ky thuat Day la Hk tai dSu tien if Viet Nam dirgrc hoan theo Thong tu so 02/2015/TT-BKHCN 6.3.2015 cua B^ Khoa hoc va Cong nghe ve viec thvc hien nhiem vu khoa hoc va cong nghe khdng sir dung ngan sach nha nirdv TO-khoa: ddng cpc, dir&ng to, hp lan, mdy bua Chi so phan loai 2.3 Dat van dg He thong hp Ian duong to gop ph§n quan dam bao an toan giao thong cho ngucri va phirong tien luu thong tren duang, chiing dugc su dung nhu dai phan each cung giira hai chieu cua duong cao toe va la he thong chan an toan tren duong deo hiem tra Tren the giai, viec xay dung he thong ho Ian dugc thuc hien bang cac may chuyen dung ciia cac nuoc nhu Nhat Ban, Italia, Trung Quoc Research into designing and manufacturing hydraulic hammer machine MHP-01 for pilling of wear resistant along auto roads Summary This paper presents the main results of the scientific project: "Research into designing and manafacturing hydraulic hammer machine MHF01 for pilling of wear resistant along auto roads"; from the selection of suitable plan, the research calculated and determined the parameters, designed the machine components and constructed machinery manufacturing processes The machine has been manufactured successfiilly with many advantages compared with similar imported machines in terms of the economic indicators and techniques This is the first project in Vietnam which has been completed accordingto the Circular 02/2015^T-BKHCN of Ministry of Science and Technology signed 63.2015 on the implementation of scientific projects not using the State budget Keywords: auto road, hammer machine, pile driving, wear resistant Classification number ? (5 \^et Nam, tit nam 2014 mot s6 doanh nghiep da sir dung may dong cpc hp Ian nhap cua Tnmg Quoc de thi cong n-en tuy^n Qu6c 16 3, nam 2015 thi cong tren Quoc 16 de dong cpc ong 0141 mm dai 2,1 m; d6ng sau 1,2 m; nho cao 0,9 m Cpc dupc dong true ti8p fren n^n dat dSp k ^ 0,95-0,98 [1] Cac may cho nang suSt tucmg doi cao, nhien ket can may thiSu vung chSc, anh huong den qua trinh dong cpc Do nhu cau cua thuc te thi cong cang can nhieu may co chat lugng tot han va xu huang can Iam chu cong nghe; dong thoi tich cue trian khai Thong nr 02/2015/TT-BKHCN cua Bp Khoa hpc va Cong nghe, Bp Giao thong Van tai da phe duyet thuc hien 6k tai DTDN LHCMC 01 theo hinh thuc "xa hoi hoa" nham nhanh chong dua san pham vao thuc te san xuat, gop phan day nhanh tien dp hoan thien cac tuyen duong giao thong quan trpng Cong ty TNHH San xuAt va Thucmg mai Linh Ha 'Tdc gia lien he binhthuan2356%gmail com 28 3> i Khoa hgc K9 thuSt va Cong nghe va nh6m nghiSn cuu ciia Trucmg Dai hoc Giao th6ng V^n tai da tien hanh nghien ciiu thiet ke che tao mot mau may dong cpc hg lan nham khac phuc cac nhugc diem cua may nhap ngoai D6 tai da dugc Hgi d6ng khoa hpc Bp Giao thong Van tai danh gia dat 90/100 didm vao 21.8.2015 Viec rut cpc se dugc tien hanh hai trucmg hgp: cgc dong vao vj tri co vat can cirng khong the xuong dugc; rut cgc cu cai tao, ma rgng le duong Tinh todn xdc dinh cdc thdng sd chinh cua mdy MHP-01 Noi dung nghien ciiii Trong khuon kho cua bai bao, nhom tac gia chi Nghien cim chpn dcing vd thiet ke tdng the mdy bua thiiy lm: MHP-01 dong cpc hp lan dir&ng o to trinh bay phuang phap tinh toan cac thong so chinh ciia may [2] De chgn dugc dang may cho viec thiet ke, cac tac gia da nghien curu va lap dugc sa phan Ioai cac may dong cgc hp Ian nhu sau [I]: dudng: -BtaOlCM I H -| bua Dwioc« - Xac dinh luc can lan: P,.= f.G (kG) - ^ Oiu bua I h i ^ lire Trong do: G - tai trpng tac dung Ien banh xe (kG); "~ f- he so lire can lan Coclunjiig r| Xac dinh luc tac dung len may di chuyen tren |-) T&i truly luc 1—1 Clnlieatiua |——1 HailhSpch&U UTreogOcOl |— H»""*"l - Xac dinh luc can khong khi: P , = K.F.v^ (kG) Trong do: K - he so can khong khi, F - dien tich chiu luc can khong khi, v - toe dp di chuyen ciia may Trong ky thuat quen diing thii nguyen km/h nen ta c6:P^ = K.F.vVl3 ^ah_ Sa phdn logi theo ddc diem cdu lao may dong COC hd lan Qua phan tich uu, nhugc diem cua cac loai may nhu sa d6 tren, nhom tac gia da chgn dugc loai may co cau tao tong the nhu hinh 1 Dp doc i mang dau duang leo doc va dau am xuong doc Lay dp doc cua duang la i = 16% may MHP di chuyen tren duang niii - Xac dinh lire can quan tinh: P = m.j (kG) Trong do: M - khoi lugng cua xe (G/g); g - gia toe trpng truang (9,81 m/s'); j - gia toe khai dgng may j - dv/dt - Xac dinh luc keo ciia may: cong suat N cua dpng ca lap tren may tao nen mgt mo men M tai true kliuyu cua dpng ca Giiia N va M co Hen he: N = M.to/75 (Hp) Trong do, co la toe dp goc ciia true khuyu cua ^^^^^^^^^^^^^5^^^^^^:^ dpng ca, CO lien he vai so vong quay ciia dpng co n (vong/phiit): to ^ jtn/30 Hinh 1: cdu tao chung mdy dong cgc hd lan dudng to theo hu&ng tliiei ke Bdnh xe di chuyen ldp tren khung co sa; Khung ngang di truat; Khung lien ket cdn chinh vol may; Bo ldm mdt ddu limy lire; Thanh giic cdn ndng biia; Bd de no dgng ca, Can Ireo bua; Mdi che, P Ben tin hieu; 10 Xilanh dieu chinh nghieng can; IL Dong ca dlezei; 12 Den chieu sdng, 13 Cot ddn huang biia, 14 Biia thuy lice, 15 DdudongcQc; 16 Chodng riit coc 17 Coc; 18 Mdy phdi dien - Xac dinh luc bam dinh ciia banh xe vai mat duong: Iuc bam Ion nhat ty le thuan vai trpng Iugng tac dung tren banh xe chu dpng G^,: T ^^ = ip.G^ (kG) Trong do, la he so bam (tiic la he so ma sat) giua banh xe va mat duang llff«.f2i\LI | , m 6(7)7.2016 29 Pi Khoa hoc K9 thu^c va Cong nghe Nhu \a\ dieu kien chuven dong cua may \e mat iuc bam la- P_< T_ = tp.G nghieng \ e phia sau nghieng ve phia truac Do vay he thong cpt va gia da can dugc xet theo cac so d6 tinh tren hinh Thiet ke khung xe cff s& YJX qua tinh ben khung \e co so ma\ dong coc ho Ian ducmg to bang phan mem SAP2000 duac the hien tren hinh va (xet cho trang ihai bat lai nhat la nit coc) ^ Hin Quit D,.u!J„in F >:•-• - ZA'^- K\A Khoa hoc K9 thuat v^ Cong ngh^ May MHP-01 da duac chuydn giao cho Cong ty TNHH Thanh Linh de thi c6ng 14 km hg lan duong to tren QuSc 16 va dupc don vi su dung danh gia nhu sau [3]: - Nang suat dong cpc cao hem, ciing viing han may ciia Trung Qu6c; - Phu hgp voi dieu kien Viet Nam: de van hanh, chi phi dau tu va khai thac thap; - Trang bi may phat han dien thuan Igi cho viec thi cong ma may ciia Trung Qudc khong c6; - Gia biia c6 ca can dieu chinh nghieng d6ng dugc cpc thang diing tren duong d6c; - Cong tac bao duong va sua chua thuan tien; - Re han may tuang duang cua Trung Quoc tir 1015% so tinh toan thigt kk mgt each bai ban, th^ hien dugc tinh mai, tinh kk thira va tinh sang tao May da dugc hoan thai gian ngin nha thuc hien theo hinh thtic "xa hgi h6a", dam bao chat Iugng va da dugc thir thach qua thuc tk thi cong, dat cac thong so thiet ke, va quan trgng la may lam viec on dinh, nang suat dong cgc cao, van hanh thuan tien Qua d6, khang djnh dugc kha nang lam chii cong nghe ciia Viet Nam de tao san pham c6 chat lugng va gia re hem may nhap ngoai Tai lieu tham khao [1] Nguyin Binh (2015), Soo cdo tdng kit di ldi KHCN cap Bo GTVT "Nghien ciru thiet ke che tao mdy bua thuy luc MHP-01 dong coc lio lan dudng to ", ma so DTDN LH-CMC 01 [2] Do Ba Cliuong, Thiet ke duang lo, tSp 1, Nxb Giao due Ket luan May MHP-01 la san pham dau tien ciia loai hinh "de tai khoa hpc va c6ng nghe kh6ng su dung ngan sach nha nuoc" a Viet Nam May dupc che tao tren ca IE"*."!?* 'r!r.'3r-\/;ftl\l,m 6(7)7.2016 [3] Cong ty TNHH Thanh Linh (2015), Bdn ddnh gid ket qud sdn phdm KHCN- theo mdu phu luc - 02/2015/TT-BKHCN ve mdy ddng coc ho lan duang to MHP-01 33 ... 30 Hp Thiet ke he thdng ldi vd phanh ham Thiet lie he thong ldi mdy MHP- 01: - Xac dinh lire can quay vong ciia may MHP- 01: MHP- 01 di chuyen bang banh hoi, di vao duang cong may quay vong se phai... thdng sd chinh cua mdy MHP- 01 Noi dung nghien ciiii Trong khuon kho cua bai bao, nhom tac gia chi Nghien cim chpn dcing vd thiet ke tdng the mdy bua thiiy lm: MHP- 01 dong cpc hp lan dir&ng o to trinh... khao [1] Nguyin Binh ( 2015 ), Soo cdo tdng kit di ldi KHCN cap Bo GTVT "Nghien ciru thiet ke che tao mdy bua thuy luc MHP- 01 dong coc lio lan dudng to ", ma so DTDN LH-CMC 01 [2] Do Ba Cliuong,