Nghiên cứu, thiết kế, chế tạo máy búa thuỷ lực MHP 01 đóng cọc hộ lan đường ô tô

Day la Hk tai dSu tien if Viet Nam dirgrc hoan thanh theo Thong tu so 02/2015/TT-BKHCN ngay 6.3.2015 cua B^ Khoa hoc va Cong nghe ve viec thvc hien nhiem vu khoa hoc va cong nghe khdng

Nghien cufu, thiet ke, che tao may bua thuy li/c MHP-01

- dong coc ho lan di/6ng 6 to

> S -* ' Nguyen Binh*, Nguyen Hihi Chi

Truang Dgi hoc Giao thong Van ldi

Ngay nhan bai 14.10.2015, ngay chuyen phan bien 20.10.2015, ngay nhan phan bien 25.n.2015, ngay 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

MHP-01 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 thanh

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 thanh theo Thong tu so 02/2015/TT-BKHCN ngay 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 6 to, hp lan, mdy bua

Chi so phan loai 2.3

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

MHF-01 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 2 ?

Dat van dg

He thong hp Ian duong 6 to gop ph§n quan trong

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 (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 1 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 nay cho nang suSt tucmg doi cao, tuy nhien ket can may con thiSu vung chSc, anh huong den qua trinh dong cpc Do nhu cau cua thuc te thi cong ngay 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

LH-CMC 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

i

28

3>

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 ngay 21.8.2015

Noi dung nghien ciiii

Nghien cim chpn dcing vd thiet ke tdng the mdy

bua thiiy lm: MHP-01 dong cpc hp lan dir&ng o to

De chgn dugc dang may cho viec thiet ke, cac tac

gia da nghien curu va lap dugc sa do phan Ioai cac may

dong cgc hp Ian nhu sau [I]:

-BtaOlCM I

1 Coclunjiig 1

r| bua

| | Dwioc« |—

UTreogOcOl |—

- ^ Oiu bua I h i ^ lire 1

H " ~ 1

- ) T&i truly luc 1

1—1 Clnlieatiua 1

—1 HailhSpch&U 1

H » " " * " l

Sa do 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

^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 5 ^ ^ ^ ^ ^ ^ : ^

Hinh 1: cdu tao chung mdy dong cgc hd lan dudng 6 to theo hu&ng tliiei ke

1 Bdnh xe di chuyen ldp tren khung co sa; 2 Khung ngang di

truat; 3 Khung lien ket cdn chinh vol may; 4 Bo ldm mdt ddu limy

lire; 5 Thanh giic cdn ndng biia; 6 Bd de no dgng ca, 7 Can Ireo

bua; 8 Mdi che, P Ben tin hieu; 10 Xilanh dieu chinh do 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

Viec rut cpc se dugc tien hanh trong hai trucmg hgp: cgc dong vao vj tri co vat can cirng khong the xuong dugc; rut cgc cu khi cai tao, ma rgng le duong

Tinh todn xdc dinh cdc thdng sd chinh cua mdy MHP-01

Trong khuon kho cua bai bao, nhom tac gia chi trinh bay phuang phap tinh toan cac thong so chinh ciia may [2]

Xac dinh luc tac dung len may khi di chuyen tren dudng:

- Xac dinh luc can lan: P,.= f.G (kG) Trong do: G - tai trpng tac dung Ien banh xe (kG); f- he so lire can lan

- 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_

1

Dp doc i mang dau duang khi leo doc va dau am khi xuong doc Lay dp doc cua duang la i = 16% khi 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 dpng ca, CO lien he vai so vong quay ciia dpng co n (vong/phiit): to ^ jtn/30

- 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,

9 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

Thiet ke khung xe cff s&

YJX qua tinh ben khung \ e co so ma\ dong coc ho

Ian ducmg 6 to bang phan mem SAP2000 duac the

hien tren hinh 2 va 3 (xet cho trang ihai bat lai nhat la

khi nit coc)

H'nh 2" hiiu do m

Hmh i: hieu do md men xodn Lhung ldu nil coc

Lua chgn ddu bda thuy luc

Dau biia thuy luc la ca cau tao luc dong cpc tren

may De tai da nghien ciiu lua chon duac loai biia cua

Han Quoc co cac thong so chinh nhu sau:

K> hieu- RHB 305-E

Duong kinh choong: 60 mm

Luc dap danh nghia: 3500-6000 kG

Tan so \ a dap; 35-65 lan phiit

Tronglugng- 260 kg

Thiit ke he thdng kit cdu iliep cua bo cdng tdc

dong cpc

Xdc dinh Iuc ldc dung len lie llidng coi va giu da

trong qua trinh dong cpc he th6ng cot \a gia do cua

may chiu luc tac dung tha\ doi \ i phuong \ a chieu ru>

theo cac trang thai dong coc: theo phuong than^ dima

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 4

^<- ^^

^

Hinh 4- ic/do linh he ihong coi vd gta da

Xdc dmh luc cdn dong coc do cpc la ong thep r6ng

nen chu yeu la co luc can dinh bam ciia nen vao coc duac xac dmh nhu Iuc bo than coc khi dong v ao nen F^^=S.q (kG)

Trong

do-S = do-S - do-S la dien tich tiep xiic cua coc voi nen

S - dien tich tiep xiic mat ngoai cua coc \ a\ nen

S, -;t-D,H = 3.14.0.141,1.2 = 0.53

m-S - dien tich tiep xiic mat irong cua cpc \ai nen

S = :T d.H - 3.14,0.13 1.2 = 0.489

m-H = 1.2 m la chieu sau dong cpc vao nen

^ q - he so can neng lan nhat tren coc khi nen kho \a dat Cling (kG m-), q = 2500 kG m^

F_, = S.q - S q_- 0.53 2500-0.489 0.15.2500 =

1508 (kG)

Thiet ke he thdng truyen dpng thiiy lire vd dieu khien mdy

He Thong truyen dpng thuy lire va di^u khien mav MHP-01 CO nhiem vu thuc hien cac thao tac uong qua trinh lam viec cua may He th6ng nay g6m co: bo nguon thuv luc gom: thung d^u (2) bo lpc d^u (1) bom thuv luc (23) van an toan (22) ddng h6 do ap suat (21) \ a ket lam mat dau (4)

Bom (23) dugc dan dong boi dong co diesel qua bo truven dai co nhiem \ u cap dau thuy luc cao ap toi cac xilanh \ a mo to thuv luc

Cac xilanh thuv luc thuc hien cac thao tac

KHMHOC W, \

Naiig ha can treo biia (xilanh 15) dk dua biia

chup v^o dhi cgc;

Dich ngang khung tren (xilanh 14) d6 djch biia

va cgc vao diing vi tri;

Dieu chinh goc nghieng cpt (c^p xilanh 12) dk

dong cgc diing theo phuong thSng diing khi n6n d6c

nghieng

Hai mo ta thiiy lire co nhiem vu:

Di chuyln may ti6n, lui (mo to 17);

Quay may phat dien han (m6 ta 7);

5 van phan ph6i (5), (12), (13), (16), (18) diSukhiSn

bang tay co nhiem vu didu khiSn su hoat dpng ciia 3

cum xilanh va 2 mo to thiiy Iuc

Hinh 5: so do he thdng thuy lite may MHP-01

I Bp loc ddu; 2 Thung ddu, 3 Ehcang ong hoi ddu, 4 Ket ldm

mat; 5 Vanphdnphoi diiu khien bda vd mo ta mdy phdt dien hdn

(diing chung); 6 Ehccmg ong hoi ddu cua mdy phdt dien hdn, 7 Mo

la quay mdy phdt dien hdn; 8 Ong cdp ddu cao dp cho bua thuy lice,

9 Ddu biia thuy luc ddng coc; 10 Ehcang ong hoi ddu cua hua thdy

Itfc; 11 Cap xilanh dieu chinh goc nghieng cot, 12 Vanphdnphoi

dieu khien xilanh ckinh goc nghieng cdn; 13 Van phdn phoi dieu

khien xilanh djch ngang khung tren bo cong lac; 14 Xilanh dich

ngang khung tren; 15 Xilanh ndng ha can Ireo biia; 16 Van dieu

khien xilanh nang ha cdn treo bua; 17 Mo tadi chuyen mdy; 18

Van phdn phSi dieu khiin mo la di chuyen; 19 Duang ddu thdp dp,

20 Duong ddu cao dp; 21 Dong ho do dp sudt, 22 Van an todn; 23

Bam ddu

Lwa chpn dpng cff ddn dpng mdy MHP-01

Cong suat danh dinh can thiet cua dpng ca dung de

dSn dpng mo ta di chuyen may, cac xilanh va biia thiiy

luc theo sa do hinh 6

Bflng en ringN,

\ Mftkr 1

M d i c h u v l n r r t y N |

-H — h

1 1 Bus ttiily lire N ^ 1

1 Nina h e c i n 1

J Drehehu/ln 1

1—1 GiOeOl NjB 1

Hinh 6: sa do ddn ddng cdng sudi lir ddng ca den cdc hg cong tdc

Ket qua tinh toan cong suat can thiet cho cac thiet

bi cong tac nhu sau:

N ^ ^ - 5 , 5 k W N^,^=16kW

N , 3 ^ 5 , 3 1 3 k W N , , < N „ ; N 3 3 < N „ Trong qua trinh may lam viec xuSt hien trang thai tieu hao cong suat lon nhat khi: biia dong cpc va xilanh can treo bua co hoat dpng; khi do c5n cong sudt la: N^, = N^,^ + N,3= 16-1-5,313-21,313 kW Vay cong suat danh dinh cua dgng ca diesel phai la: Njc-N„ = 21,313 kW

De tai da chpn dpng co diezel JIANGFENG D28-ZS1125 CO cong suat 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, khi di vao duang cong may quay vong se phai chju tac dgng cua luc can

W nhu sau: W ^ M,h

^

Trong do: R,^ - ban kinh quay vong ciia may (m), Ri^ = 6 m; M^^ - mo men can quay vong ciia may (m) dugc xac dinh theo cong thirc:

M^,^ = (p G^ L Voi: (p - he so bam ciia cac banh xe chii dpng, tren may MHP-01 co 2 banh xe chu dgng tren tong so 4 banh xe; G^ - trpng lugng ciia may phan bo deu tren cac banh xe chu dpng G^= G^/2; L - khoang each giiia true banh xe truac va true banh xe sau

- Xac dinh mo men can quay vong;

M^„ = tp G^ L

Trong do, gia tri he so bam: (p = 0,7 ling vdi mat

duong kho sach (tp Ion nhat)

GA = G y 2 - 2600/2 = 1300 kG = 13000 N

L - \/m

M^,,-0,7.13000.1,8= 16380 (N.m) Luc can quay vong: w^|^ = ^='-^MO = 2730 (N)

Sa do he th6ng lai ciia may MHP-01 dugc trinh bay tren hinh 7

iB^ISiVal 13^6(7)7.2016

Xdy dung quy trinh Idp rdp mdy MHP-01

Tren ca sa ket qua nghien ciiu tinh toan thiet ke

\k tap ban ve ma de tai da thuc hien va chuyen giao

cho Cong t>' TNHH San xuat va Thuong mai Lmh Ha

(Gia Lam, Ha Npi), cac chi tiet may va cac cum thi6t

bl da duoc che tao va duac tien hanh lap rap tai xuong

CO khi cua Cong ty theo so do hinh 9, tao thanh may MHP-01 hoan chinh

Hinh 7: sado he Ihdng Idl mdy MHP-01

I V6 Idng tdi; 2 True ldi; 3 6 do tryc ldi; 4 Gidm toe chuyen

hirong; 5 Tay don; 6 Thanh truyen; 7 Thanh ba ngang ldi; 8 Tay

don tru Idi, 9 True ldi; 10 Tryc bdnh xe; II Bdnh ldi

Thiet ke he thdng phanh hdm cho mdy MHP-01:

Khi ham, banh xe chu dgng kh6ng dugc quay va

tnipt tren mat duong Luc ham lon nhat phu thupe vao

he s6 ma sat giua 16p xe va mat duong: P^^ = T^^= (p.G

Xet cho truang hgp khi tri so doc dgc duang Ion

han 4%

P^ - T ^ -H P, = (p.G ± i.G = G((p ± i)

P^ = T ^ -H R = 0,4.2600 ± 416 = 1456 kG

Dau cgng (+) dung khi Ien d6c va diu trir (-) dimg

khi xuong doc

So do he thong phanh ham ciia may dugc the hien

tren hinh 8

Hmh 8 sa do he thdng phanh hdm aia mdy

4 True chii dpng; 5 Phanh ma sdt; 6 Bdnh phanh; 8 Chdt cu6i

bdn dap phanh; 9a Bdn dtip, 9b Don phanh; 10 Sdn mdy 11 Ld

xo; 12 Choi treo phanh

I p"'**'^ r

! do lap rdp ma^ MHP-01

LtK

Ldp

Iu

cum Cwn Phu lap etca

\is chl iiei Ihi'mg sail ddt len cum t kien Idp \uo cac c () can chinh gida

1 ( h n i h de idp cac

Ket qua dat duvc

Sau 3 thang nghien ciiu, linh toan thiet ke va 2 thang che tao may MHP-01 dau tien da duoc hoan thanh May da dirac Phong thi nghiem vat tu thiei bi cau duong quoc gia (Vien Khoa hoc va Cong nghe Giao thong Van tai) kiem dinh tai hien truong dong

coc tren Qwbc 16 IA \ a dat duoc cac thong so kv thuat

nhu trong bang I

Bang ! ihong sd ky ihudl cua mdv MHP-Oi

( h , ; u d ,

Iron^luvtsSuittuilLTt

T ^ a v = n = ^

\ p u , l d i „ t h „ t a

H i L h i n s c » l i » n j

B ^ l i B h f l u , TiDsmiDBl^Jliim

:«Omm

" • ' "^

•-•' -

, ,-, ,

IMK,™

• J.T

•r

CIU« ,inE

V 7 l b n i

B , h u , l ^

T i l didi.bu.ti>Q,i>

Hin Quit D,.u!J„in F<^ i h i n i l.n Hilhonjm th,lin),bo,

l.l 1

d : , , > > : • - •

-

ZA'^- K\A

jfeHoIStViaNani^"'""'^ 32

May MHP-01 da duac chuydn giao cho Cong ty

TNHH Thanh Linh de thi c6ng 14 km hg lan duong 6

to tren QuSc 16 5 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 do 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

10-15%

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

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 thanh trong 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 ra san pham c6 chat lugng va gia thanh 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 6 to ", ma so DTDN LH-CMC 01

[2] Do Ba Cliuong, Thiet ke duang 6 lo, tSp 1, Nxb Giao due

[3] Cong ty TNHH Thanh Linh (2015), Bdn ddnh gid ket qud sdn

phdm KHCN- theo mdu phu luc 4 - 02/2015/TT-BKHCN ve mdy ddng coc ho lan duang 6 to MHP-01

IE"*."!?* 'r!r.'3r-\/;ftl\l,m 6(7)7.2016 33