B GIO DC V O TO
TRNG I HC NHA TRANG
KHOA K THUT GIAO THNG
THUYT MINH TRANG B NG LC
Chuyn :
THI CNG LP T H NG LC VI NG C
CHNH LP T TRC, LP T SAU
GVHD: Ths. Nguyn nh Long SVTH: Nhm 7
1. Nguyn Thnh Tin
2. Phng Minh Ton
3. Trn ng Trng
4. Hunh Ngc Tun
5. Nguyn Vn Tun
Nha trang, thng 12 nm 2012
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 2
Li ni u Sau khi hc xong mn Trang B ng Lc. Nh s hng dn ca thy Ths. Nguyn nh Long v cc bn trong lp. Cc thnh vin trong nhm hon thnh chuyn hp c giao vi ta Thi cng lp t h ng lc vi ng c chnh lp t trc, lp t sau. y l mt chuyn hay. Tuy nhin, gii quyt vn ny cn phi am hiu rt k v my mc thit b h ng lc v cn phi c kinh nghim thi cng thc t. Mc d th, cc thnh vin trong nhm ht sc c gng tm t liu, gio trnh, c ti liu v kt qu cui cng hon thnh phn chuyn c giao. Chuyn hon thnh ng thi gian quy nh l nh s gp sc ca cc thnh vin trong nhm v s hng dn nhit tnh chu o ca thy gio hng dn. Do vy, cc thnh vin trong nhm xin gi li cm n chn thnh nht i vi thy v cc bn trong lp gip . V di y l ni dung ca chuyn . Do cha c nhiu kinh nghim v kin thc thc t nn khng khi trnh s sai xt. Mong thy v cc bn sa cha v gp c th hon thnh tt hn nhng chuyn sau.
Xin chn thnh cm n !
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 3
PHN A: NG C CHNH LP T SAU L qu trnh nh tm my chnh theo h trc lp
Qui trnh lp rp h ng lc t li v mi. u tin lp trc chn vt, tip theo lp cc trc trung gian, trc y v,v cui
cng my chnh c nh tm theo h trc bng phng php o lch tm v gy khc.
QUI TRNH LP T H NG LC
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 4
I)GII THIU CHUNG V CON TU - Tu nh c li co v compozit FRP di 15m, gn ng c DIEZEN YANMAR MODEL 4 CHE cng sut 70 sc nga, tc quay 2300 vng/ph. - ng knh chn vt ca tu l 800mm.
II) KIM TRA BN V - Trc ht, xc nh ng tm trc ca y cacte my v chn vt - im th nht ca ng tm trc nm trn vch ngn trn hm my v cch mt trn ng trung tm tu 300mm - im th 2 nm cch thanh dm ngang 500mm. V ng thng ni 2 im ny li.
XC NH V TR LP T
MY TU
- Khe h ca y cacte my v
hp s n y v tu ti thiu
t 30 n 50mm. Chng ta
phi dnh khng gian lp
t thit b chu lc trc my.
-Trong trng hp ny ng
tm h trc chn vt nm pha
mt trn ng i tm tu
500mm
-Thng thng khong cch
gia vm ui tu v im mt
u cnh chn vt ti thiu phi
ln hn 12,5 % ng knh
chn vt
- ng knh chn vt ca tu l 800mm. Do vy khong cch gia ti thiu phi l 100mm. Suy ra khong cch t mt ngang vm ui sau cng n ng tm trc chn vt l 500mm
- K tip chng ta xc nh chiu cao lp t my da trn ng tm trc va xc nh c.
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 5
- i vi my tu ny khong cch gia tm cotto hp s v chn ng c l 81mm. Do vy chiu cao lp t my bao gm lun dy ca thanh lt b my phi nm cch trn ng tm trc 81mm.
Hnh nh v con tu
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 6
III)LP T H TRC CHN VT - Chun b cc dng c cn thit xc nh v canh chnh tm my.
- u tin kim tra xem tu c t cn bng trn gi hay cha.
- thun tin cho vic o
c lp cc thanh g o vo hai
bn mn tu.
- T phn mp nh ra ca
hai thanh g o cc khong
bng nhau bn mn tri v
mn phi. sau v mt ng
ngang trn mt phng ui tu
t phn mp tu nh ra ti 2
thanh g.
- Kim tra ng thng ny bng thc rivo.
-Trn mt phng ui tu v mt ng thng song song vi ng nh trc trn.
Xc nh trung im ca 2 ng thng song song ny.
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 7
xc nh cao trc chn vt v h tr vic lp t sau ny.
Ni hai trung im ca hai ng thng ny li vi nhau bng mt ng thng.
c lng v tr lp t ng bao chn vt. Tip theo ct mt l 1 tm thi
Xc nh trung im ca vch ngn trc ng c. Trc ht o phn pha trn vch xc nh trung im. T trung im ny th dy di xung, v mt ng trc thng. Tm ca trc chn vt nm trn ng trc ny cch sng vin 300mm. Gn khung g chnh tm vo im tm trc va xc nh.
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 8
Lp thanh g vo ui tu. Thanh g nm trn ng tm trc chn vt. o khong cch t mp vm ui tu n u trc chn vt trn thanh g l 500
mm.
Ko di dy ch nh tm t thanh g trn vch ngang ui n g kp nm
vch ngn u my. Ko cho si ch nh tm ny cng ra.
Trn ng chnh trc o khong cch n chn my xc nh v tr t my.
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 9
Xc nh dc t my c pha trc v sau my. o khong cch bn tri v bn phi tnh t u ch nh tm.
Dng thc rivo iu chnh phng chun ca my. u tin l pha trc v sau my, sau l bn phi v bn tri ca tng my. C nh my sau khi chnh
Dng thc rivo iu chnh phng chun ca my. u tin l pha trc v sau my, sau l bn phi v bn tri ca tng my. C nh my sau khi chnh
V 3 ng thng giao nhau vi si ch nh tm xc nh tm qua ng t
ng bao chn vt. Ly ng ch trc ra v che l li. ni cc ng ct ngang t giao im.
Dng compa v ng trn khoan lp ng bao chn vt. Khoan l t ng bao chn vt.
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 10
y l g dng lp ng bao chn vt. G ny ch dng ring cho cc tu v nha.
Lp ng bao t chn vt vo g .
T bn trong tu a ng bao chn vt ra ngoi, kim tra di nh ra ca ng bao.
Ko di ng ch nh tm cho n i qua ng bao chn vt. iu chnh khong cch pha trn, pha di, bn tri v bn phi ca ng sao cho tm ca ng trng vi dy ch nh tm.
Xc nh v tr ng tht chnh xc v tm thi c nh n.
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 11
Tng t iu chnh g ng bao chn vt trong bung my sao cho dy ch nh tm trng vi tm ca ng. Xc nh v tr chnh xc ca ng bao. Sau tm thi c nh ng li.
Lp cht ng bao pha ngoi ui tu dn c nh n vi thn tu v nha. T ngoi pha ui tu t trc chn vt vo trong ng bao.
Kim tra h ca trc chn vt bn trong ng bao. iu chnh trc sao cho
ng tm trc trng vi ng tm ng bao. Lp cc vng m vo ng bao chn vt, trit tiu lc ca trc, thng
thng ta s dng 3 vng m i vi trc chn vt c ng knh d nh hn 80 mm, vi ng knh ln hn ta s dng 4 vng m.
Lu lp khe h ming ca cc vng m khng trng ln nhau nhm trnh
nc r r qua tcke. Sau cng lp t chn chn vng m.
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 12
Nu trc chn vt nh ra khi mt ui ng bao qu di cn lp gi trc dng ch nhn vo cui ui tu trc chn vt.
Trc ht lp vng km anot chng n mn. Bi than ch mu ln mt cn ca trc kim tra cn tip xc gia c chn vt v trc chn vt.
- Kim tra du ch ca trc chn vt tip xc vo mt cn pha trong ca c chn vt.
- ng cht lappet vo trc chn vt sau lp chn vt vo.
Lp cht ch vo ai c chn vt, b cong v p cht tht st hm ai c. Sit cht vng km chng n mn vo pha c chn vt sao cho n khng to lc
cn vi dng chy nc
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 13
Tng t nh phn lp t pha chn vt kim tra cn tip xc ca mt bch trc chn vt pha bung my
Lp t bch trc chn vt bng cc u c hm. Sit cht hai c hm li
IV) LP T BNH LI y l trc bnh li v cc ph kin. nh tm trc li vm ui trn tu lp t trc bnh li. Khoan l lp trc
bnh li. Lp ng bao bng g fix trc li vo l khoan.
Lp ng bao bng g fix trc li vo l khoan. Lp trc bnh li vo ng bc g fix. Lp bnh li vo trc li.
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 14
Lp cht ky trc li vo tu
Lp thit b iu khin thy lc. Pha bn tri l thit b li thy lc, bn phi l tay n bnh li chng c ni
vi nhau bi thanh ni.
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SVTH: NHM 7 Trang: 15
V) LP T MY
1)NH TM H TRC Lp g nh tm A vo mt bch trc chn vt o cc khong cch t ra mt bch n u gn tm trc. iu chnh v tr si
ch nh tm n nm ngay trn tm trc
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 16
Xc nh tm trc pha u my.
Dng qu di xc nh v tr tm.
Ct si ch nh tm vo khung v cn si ch ny ra
Gn thit b nh tm B vo mt bch trc chn vt
Kim tra khong cch gia u kim v si ch ng tm trc
Xoay trc v kim tra khong cch gia u v ng ch tm lun bng
nhau.
2)CNG CHNH LP MY CHNH
Kim tra v tr cc bulong lp my.
Kim tra phng v tr lp my.
Kim tra phng ca my bng thc rivo.
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 17
Kim tra phng gia hai my.
Th dy di gia trc tm tu. Ln lt thc hin cc ng tc tng t pha
trc v sau my
Xc nh v tr bulong
t mt thanh st thng ln my vung gc vi giao im qu di. o
khong cch t giao im qu di my n cc tm ca chn my bn tri v bn
phi. Xc nh v tr cc bulong trc v sau my.
V ng tm bulong chn my trn my
Xc nh cc v tr bulong th nht trn my bng cch t mt ci thc trn
my vung gc vi giao im.
K tip xc nh cc v tr bulong th 2 v th 3 chiu theo v tr bulong th nht.
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 18
Khng c xc nh v tr bulong th 3 cn c theo v tr bulong th 2
Kim tra v tr bulong th nht v th 3 bng cc ng cho. Hai ng cho
ny phi bng nhau.
Khoan cc l lp bulong trn my. t thanh lt chn my ln trn my sao
cho n thng hng vi cc l bulong
Th my vo my.
Xit tm cc bulong chn my.
Ni tuct hp s st vi mt bch trc chn vt
Kim tra khe h gia mt bch chn vt v tuct hp s
Kim tra ngp gia mt bch trc chn vt v tuct hp s
Kim tra song song gia mt bch trc chn vt v tuct hp s
Kim tra li song song gia mt bch trc chn vt v tuct hp s
Kim tra li ngp gia mt bch trc chn vt v tuct hp s
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SVTH: NHM 7 Trang: 19
3)KIM TRA THEO PHNG PHP LCH TM V GY KHC
Lp mt bch trc chn vt vi tuct hp s. Tm thi xit chng li.
Xit tht cht cc bulong chn my
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 20
4)LP T NG X THI
i vi h thng x t phi cao hn mt nc bin.
ngn nc bin chy ngc vo my u ra ca ng x phi nh cao hn mt
nc 50 mm.
Lp t lc nc bin vo cc ng dn
trnh lc b rung lp ng ni mm vo ng cao su gia van thng bin v lc
nc bin.
Lp t h thng ng dn nhin liu.
H thng ng dn cng thng cng tt.
5)LP T TAY S V V LN
Lp t tay iu khin ga s
Lp v ln li
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 21
Lp t cp iu khin vo tay ga b iu tc v vo hp s.
Thao tc tay s
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 22
PHN B: NG C CHNH LP T TRC My chnh c nh tm trc trong bung bng phng php quang hc
dng ng ngm
- Qui trnh lp rp h ng lc t mi v li. Dng cho tu ln, nh my hin i.
- Phng php ny p dng ng tu theo tng on trong bung my l tng
on ring.
- Ly trc khy my chnh lm chun, cng tim bng quang hc
- Lp trc chn vt v cc trc trung gian, trc y.
- Trc khy my chnh v trc chn vt l 2 trc chun c nh tm theo
phng php o lch tm v gy khc, kim tra bng phng php o ti
trng b sung trn cc gi .
YU CU CHUNG
Cc tu c ln trn 10.000 DWT th
trang b ng lc, rt to v nng n
hng trm tn v vy khng th cu
ton b my lp rp.
ng c Burmaister-Vain
K hiu 74TBF160
Cng sut 9.400cv, n=115v/ph,8
xylanh c D=760mm
Kch thc L:14.300mm
B:6.200mm
H:12.570mm.
Trng lng: 400 T
V vy ch lp t di tu theo tng
tng on cu kin.
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SVTH: NHM 7 Trang: 23
MT S HNH NH V MY CHNH
I) B MY CHNH
1) Kt cu b my chnh
B my l khung thp kt cu vng chc, c hn trc tip xung y v cc
sn tu .B my bao gm cc thnh phn sau:
- Hai thnh ng 1 chy dc song song hai bn tm tu, hai tm tu, hai tm mt b my 2, trn c hn cc tm lt 3. Cc m gia cng ngang 4 c phn b u theo chiu dc 2 bn. Hai tm gia cng dc 5, v cc tm ngang 6, ging hai thnh ng vi nhau. Hai tm gia cng dc 5, v cc tm ngang 6, ging 2 thnh ng vi nhau. Tt c c lin kt vi nhau v vi v tu to thnh mt b khung nn mng vng chc t my chnh. Ty theo thit k, i khi gim nh trng lng ng thi to iu kin d dng thi cng hn, cc m gia cng ngang 4, gia cng dc 5, thm ch thnh ng 1, c khot cc l tng i ln, nhng vn m bo cng chu lc ca b my.
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SVTH: NHM 7 Trang: 24
Tn kt cu T l
Chiu dy thnh ng 1 >= 1,6 ln chiu dy ngang y tu
Chiu dy tm mt b my 2 >= l,4 ln chiu dy thnh ng 1
Chiu dy tm gia cng dc 5 v m gia cng ngang 4
>= 1,4 ln chiu dy ngang y tu.
Khong cch gia cc m gia cng ngang 4
= 1,3 ln chiu dy cc tm kt cu dc v ngang tng ng ca v tu.
Bng chiu dy cc kt cu ca b my
Tuabin v ng c in khng c nhng xung lc do kh chy v qun tnh nh ng c Diesel, ng thi tc cao, nn gn nh, chnh v vy kt cu b my cho php gim nh hn.
Trong tt c cc trng hp, b my chnh phi m bo cc yu cu ch yu sau: - Kt cu vng chc, khng c php bin dng hoc x dch trong sut qu trnh hot ng ca my chnh k c khi c s c v my. - Phi d kin c cc b mt hoc mt phn cc b mt gia cng ti xng v iu kin gia cng ti bung my s c nhiu kh khn. - B tr cc tm lt ph hp vi chn my. Ngi thit k phi c y cc s liu v chn my, chiu rng, chiu dy thn my khong cch gia cc tm bulong theo chiu dc v chiu rng my, chiu cao t mt tip xc chn my n tim trc cNhng s liu ny thng phi kho st o c thc t, ch khng th cn c vo catolog n thun. Cc s liu v chn my cng chnh xc bao nhiu, th b my cng c thi cng lp rp di tu thun li by nhiu.
B MY DI TU ANG THI CNG
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 25
Yu cu b my
Kt cu vng chc, khng c php bin dng hoc x dch trong sut qu trnh
hot ng
Phi d kin c cc b mt hoc mt phn cc b mt gia cng ti xng v
iu kin gia cng ti
bung my s c nhiu
kh khn.
B tr cc tm lt ph
hp vi chn my. Cc
s liu v chn my
chnh xc th thi cng
lp rp di tu s thun
li. S liu thu c da
trn kho st o c
thc t.
Hnh nh: B my b nt do Khng cng vng
2) Lp t v gia cng b my di tu
My c lp trc tip trn b mt cc tm lt c gia cng hoc cc cn nm
vi chiu dy t 30-40 mm.
Sai lch gia ng tm b so vi ng tm h trc trong mt phng ngang 8
mm (tri hoc phi)
m bo khe h v chiu dy tm lt
Cn chnh v hn b my vo v tu
Gia cng mt tip xc vi chn my.
Kim tra phng mt b, tip xc
cc tm lt
Kim tra bng gia cng, cong
vnh ca mt b my , trc khi hn
vo v tu.
Cc ch tiu k thut trong lp t v gia cng b my chnh c nu trong bng sau:
i tng kim tra Sai lch cho php
- Sai lch khong cch A- v tr ca b my k t vch pha li ca bung my
- Sai lch v chiu di L v chiu rng B ca b my. - Chnh lch chiu cao C ca tm lt theo chiu rng ca b my. - Chnh lch chiu cao D gia cc tm lt theo chiu dc b my. - Sai lch khong cch E t tm h trc n mt cc tm lt - Theo chiu dc: - Theo chiu ngang:
10mm
-5mm n +10mm
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 26
- Sai lch gia ng tm b my so vi ng tm h trc trong mt phng ngang
8mm
- khng song song gia tim dc b my so vi ng tim h trc
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SVTH: NHM 7 Trang: 27
- Chnh lch chiu cao gia cc tm lt - Bng ng thy v thc thng kim tra cc tm lt i din nhau theo chiu rng b my.
- Chiu dy cc tm kt cu b my - Dng c o 2 im tip xc nh: thc kp, banme, compa.
- bng gia cng - Bng kinh nghim mt thng, hoc so snh vi mu chun.
- bng phng ca mt b my hoc mt tip xc ca tt c cc tm m lt vi tu c ln.
- Dng cc ly nc
- vn xon( cong vnh) ca mt b my, trc khi hn vo v tu.
- Bng ng thy v thc thng t ngang theo chiu rng b my trn cc mt chun b tr ti ngang y, iu chnh b my trc khi hn. iu chnh pha mi tu trc sau n pha li.
PHN A: NH TM NG C- MY CHNH
I)LP T KHUNG CHN MY
Khung chn my c t trn cc tm lt g vi chiu dy bng chiu dy tm
cn kim loi d kin.
Dng bulong tng chnh
nh tm n theo ng
tm l thuyt h trc.
Dng kch thy lc
nng h khung chn my
nh tm.
Kim tra bin dng
khung chn my bng dng
c quang hc
II)NH TM MY CHNH
- My chnh c nh tm trc trong bung my bng phng php quang hc
mt ng ngm hoc hai ng ngm. Cch ny thng p dng cho phng php
ng tu theo tng on trong bung my l tng on ring. Sau ly trc
ng c my chnh lm chun, dng 2 ch ngm gn v xa, cng tim bng quang
lc, doa cc l ca h trc. Sau lp trc chn vt v cui cng l cc trc
trung gian, trc y. Theo cch ny th h ng lc c lp t mi v li. Nhng
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SVTH: NHM 7 Trang: 28
khi lp cc trc trung gian, trc y th phi nh tm theo 2 trc chun l: trc c
v trc chn vt bng phng php o lch tm v gy khc, kim tra bng
phng php o ti trng b sung trn cc gi .
III)KP CHT MY CHNH TRN B MY DI TU
My chnh c kp cht trn b my bng bulong thng qua cc tm cn.
Qui trnh lp v kp cht ng c trn cn nm thp
- Xc nh chiu cao cn tng v tr chn
my gia
cng, sau khi nh tm my chnh.
- Co, r b mt dc tip xc ca tm cn, v
a vo tng v tr chn my.
- y tm cn tnh tin vo cho n khi tip
xc tt v cht vi chn my
- Khoan cc l bulong ca chn my cng vi
cn v b my. Sau xit cht bulong.
- Kim tra li ton b: ng tm trc c
vi h trc. Kim tra co bp trc c. V kt thc qu trnh kp cht ng c.
PHN B: CNG TIM H TRC
I)YU CU CHUNG
Thng thc hin vo ban m
My chnh c nh tm v kp cht trn my
Khoang ui th kn nc xong.
Gi treo trc chn vt pha ui tu c kp cht
V tu v tr cn bng.
II) QUI TRNH CNG TIM BNG QUANG HC
1) Cch tin hnh
Trc khy my chnh lm chun, my chnh c nh tm v kp cht trn
my.
nh tm ng ngm theo ng tm ca trc khy ng c.
t ch ngm gn ti vch pha li ca bung my
iu chnh ch ngm trng vi tm vng ch thp chun trong ng ngm.
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SVTH: NHM 7 Trang: 29
2)nh tm ng ngm trn bch my chnh.
Qu trnh ny a tm vng ch thp trong ng ngm trng vi tm quay ca
trc khy ng c bng b g chuyn dng
nh tm ng ngm bng hai ch ngm.
ng ngm c nh tm trn trc khy ng c.
Hai ch ngm t v pha li so vi ng ngm.
ch ngm gn t cch ng ngm 2-3 m v ch ngm xa 6-8 m
V tr t ch ngm c
t trn vch bung my hoc
sng ui.
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3) Cch tin hnh cng tim h trc bng quang hc
Ti v tr A ui tu t ch ngm xa v ti vch bung my B t ch ngm
gn. C hai ch ngm u c bng n ~40W chiu sng quan st t ng
ngm.
Ln lt iu chnh ch ngm gn, sau n ch ngm xa, sao cho tm ca
hai ch ngm u nm trng vi tm vng ch thp ca ng ngm
- Sau a ch ngm vo cc v tr trung gian nh: vch ngn, b , sng
ui tu, gi treo trc chn vt.. khng mt ch ngm trung gian no che
khut tia sng t ch ngm xa n ng ngm.
- Sau khi cng tim h trc, tin hnh ly tm ch ngm, dng compa vch vng
trn gia cng v vng trn kim tra.
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SVTH: NHM 7 Trang: 31
PHN C: NH TM V LP H TRC
I) CC BC TIN HNH NH TM H TRC THEO LCH TM
V GY KHC
a) Doa l sng ui tu, lp ng bao trc, doa ti ng bao lp trc chn vt v
ton b thit b ng bao v chn vt vo tu.
b) t trung gian ln b, t cc on trc ln sau xit cht np
c) Dng bulong cn chnh chn o, tnh ton lch tm v lch gy
khc theo o c.
d) Sau khi xc nhn chun th vic nh tm hon thnh.
e) Kim tra ln cui, tin hnh lp rp h trc.
nh tm h trc bng phng php o lch tm v lch gy khc
nh tm h trc bng phng php o lch tm v lch gy khc
Kim tra lch tm v gy khc bng thc thng v thc l
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 32
II) LP H TRC
1) Lp ng bao trc
- i vi ng knh trc ng bao D >400mm cn ch sau
- Ti l sng ui phi c hai on lp ghp di t nht 300 -500mm
- Ti vch pha mi, on lp ghp vi vch t nht di 100 240mm
- ng bao c kp cht vo v tu sau khi cn chnh ng tm vi tm h trc.
2)Lp trc chn vt v chn vt ( thc hin di DOCK)
- Trc c a vo ng bao theo chiu lp rp.
- Tin hnh kim tra khe h lp rp pha mi v pha li
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 33
3) Lp bc trc chn vt
G gai-c hoc vt liu khc
Nh lingophon, cao su,
Textolit.vv.
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 34
III) LP CHN VT
Cu t c chn vt v gn vo trc chn vt
Xit bulong vn cnh chn vt vo c chn vt
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 35
bo v trc khi n mn. Dng m kn bng ch, ng hoc cao su mt tip
xc ca np bo v, ai c vi may .
IV) LP TRC TRUNG GIAN
- Trc c a vo cc trt nm trn bulong tng chnh
- Tng chnh bulong nh tm theo lch gy khc v lch tm.
- o, gia cng v co r cc tm cn chn .
- a tm cn vo v tr, khoan, doa v kp cht trn b v kp cc bch ni
vi nhau.
Kp cht bch ni.
- Bch ni c kp cht bng bulong.
- Kim tra khe h bng thc l 0,05mm khng lt su qu 7mm
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 36
V)LP CM KN NG BAO, CM KN VCH NGANG V PHANH H
TRC
1)Cm kn ng bao
- Nhim v l khng cho nc t ng
bao trc r r vo bn trong tu
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 37
2)Cm kn vch
Cm kn nc vch ngang c b tr
ngay vch ngang pha li ca cc
khoang kn nc v bung my nhm
ngn chn khng cho nc t hm
h trc vo bung my
- C bn ging nh cm kn ng bao
3)Phanh h trc
- Kim tra tip xc ca ai phanh vi
vnh phanh
- Xc nh chiu dy tm cn m chn phanh
- Sau khi lp xong kim tra s hot ng ca phanh khi ng m v b mt phanh
bng thc l 0,1 mm
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 38
TI LIU THAM KHO
THIT K V LP RP THIT B TU THY NGUYN NG CNG
TRANG B NG LC TU THY
TH.S NGUYN NH LONG
TRANG B NG LC DIEZEN TU THY
PGS.TS. PHM VN TH
TI LIU T INTERNET..
CC TRANG MNG
http://vietmarine.net/forum/forumdisplay.php?17-M%C3%A1y-t%C3%A0u/page3
http://taukhongso.co.cc/index/
http://trangluanvan.com/danh-gia-thuc-trang-cong-tac-lap-dat-va-sua-chua-he-dong-
luc-tau-thuy-tai-cong-ty-dong-tau-sai-gon-de-xuat-cac-giai-phap.html
http://www.tauthuybachkhoa.com/showthread.php?t=1065
http://maytauthuyvn.wordpress.com/
TRANG B NG LC TU THY GVHD: TH.S NGUYN NH LONG
SVTH: NHM 7 Trang: 39
MC LC
Li ni u ............................................................................................................................... 2
PHN A: NG C CHNH LP T SAU ....................................................................... 3 I)GII THIU CHUNG V CON TU ................................................................................. 4
II) KIM TRA BN V .......................................................................................................... 4 III)LP T H TRC CHN VT ..................................................................................... 6
IV) LP T BNH LI ..................................................................................................... 13 V) LP T MY ................................................................................................................ 15
1)NH TM H TRC ................................................................................................... 15 2)CNG CHNH LP MY CHNH ............................................................................... 16
3)KIM TRA THEO PHNG PHP LCH TM V GY KHC ............ 19 4)LP T NG X THI ............................................................................................. 20
5)LP T TAY S V V LN ................................................................................... 20
PHN B: NG C CHNH LP T TRC ........................................................... 22 I) B MY CHNH ............................................................................................................ 23
1) Kt cu b my chnh .................................................................................................. 23 2) Lp t v gia cng b my di tu ............................................................................ 25
PHN A: NH TM NG C- MY CHNH .............................................................. 27 I)LP T KHUNG CHN MY ................................................................................... 27
II)NH TM MY CHNH ............................................................................................ 27 III)KP CHT MY CHNH TRN B MY DI TU .......................................... 28
PHN B: CNG TIM H TRC ......................................................................................... 28 I)YU CU CHUNG ......................................................................................................... 28
II) QUI TRNH CNG TIM BNG QUANG HC ........................................................ 28 1) Cch tin hnh ........................................................................................................... 28
2)nh tm ng ngm trn bch my chnh. .................................................................. 29 3) Cch tin hnh cng tim h trc bng quang hc .................................................. 30
PHN C: NH TM V LP H TRC .......................................................................... 31
I)CC BC TIN HNH NH TM H TRC THEO LCH TM V GY KHC ....................................................................................................................... 31
II)LP H TRC .............................................................................................................. 32
1)Lp ng bao trc ......................................................................................................... 32 2)Lp trc chn vt v chn vt ( thc hin di DOCK) ............................................ 32 3) Lp bc trc chn vt ................................................................................................. 33
III) LP CHN VT .......................................................................................................... 34
IV)LP TRC TRUNG GIAN ......................................................................................... 35 V)LP CM KN NG BAO, CM KN VCH NGANG V PHANH H TRC..... 36
1)Cm kn ng bao ......................................................................................................... 36 2)Cm kn vch .............................................................................................................. 37
3)Phanh h trc .............................................................................................................. 37 TI LIU THAM KHO ..................................................................................................... 38
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