BI GINGTHIT B MAY

TRUYN NG THY LC KH NNI TRUYN NG THY LC:1. Khi nim:2. Cc phn t thy lc:

a. Bm thy lc:b. Van thy lc:c. C cu chp hnh thy lc:d. Cc phn t khc:

3. ng dng:II. TRUYN NG KH NN:1. Khi nim:2. Cc phn t thy lc:

a. Bm kh nn:b. Bnh tch p:c. Van kh nn:d. C cu chp hnh kh nn:e. Cc phn t khc

3. ng dng:

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BM THY LC1. Phn loi v c im.

a. Bm cnh gt.b. Bm bnh rng.c. Bm Piston.

2. ng dng.Bm thy lc dng to dng lu cht mang nng lc di dng p sut.

Cc loi bm thng dng c dng theo kh nng to p :a. Bm cnh gt: dng cho cc h thng thy lc c p sut thp.b. Bm bnh rng: dng cho cc h thng thy lc c p sut trung bnh.c. Bm piston: dng cho cc h thng thy lc c p sut cao.

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K hiu

BM CNH GT

1. Phn loi c im:a. Bm cnh gt tc ng n.b. Bm cnh gt tc ng kp.

2. ng dng:c dng nhiu trong thit b cng nghip nh. Thit b may dng

bm thy lc dng cnh gt: My ct dp, my p, My i t ng, . . .

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BM BNH RNG1. Phn loi c im:

a. Bm bnh rng n khp ngoi:b. Bm bnh rng n khp trong:

2. ng dng:Bm bnh rng t c dng trong thit b may, n c dng trong

cc thit b cng nghip nh khc v trn cc xe c gii.

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BM PISTON

1. Phn loi c im:a. Bm Piston hng trc.b. Bm Piston hng knh.

2. ng dng:Bm Piston cng t c dng trong thit b may, n c dng nhiu trong cc thit b cng nghipnng v xe c gii.

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VAN THY LC1. Van iu chnh p sut.Phn t thy lc dng thay i gi tr p sut ca lu cht cho thch hp.

Theo nguyn l ta c hai dng van iu chnh p sut:

a. Van trn.b. Van gim p.

2. Van iu chnh lu lng.Phn t thy lc dng thay i lng lu cht cung cp.

3. Van hng dng.Phn t thy lc dng thay i hng i ca dng lu cht.

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PHN LOI KT CU VAN THY LC1. Phn loi theo chuyn ng tng i ca b phn van:

a. Van tnh tin.b. Van xoay.

2. Phn loi theo kt cu:a. Van phng.b. Van tr.c. Van cn.d. Van cu.

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VAN IU CHNH P SUT

1. Van trn.Phn t thy lc dng gii hn v n nh p sut bng cch gii phng bt

lng lu cht.+ Van trn 1 cp (Van an ton)+ Van trn nhiu cp.

2. Van gim p.Phn t thy lc dng gii hn v n nh p sut bng cch iu tit lng

lu cht cung cp.

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VAN iU CHNH LU LNG

1. Van tit lu.Van dng gii hn lu lng lu cht i qua van.

2. Van n nh lu lng.Van dng gii hn lu lng lu cht i qua van vi mt gi tr c nh.

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VAN HNG DNG

1. c tnh:a. S ca (v tr kt ni).b. S v tr ( Trng thi).

2. Phng thc tc ng ( kch hot):a. Tc ng bng tay.

b. Tc ng bng c kh.

c. Tc ng bng in.

d. Tc ng bng thy lc.

e. Tc ng bng kh nn.

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C CU CHP HNH THY LC

1. Xi lanh thy lc.C cu chp hnh thy lc dng to ra chuyn ng tnh tin.

2. ng c thy lc.C cu chp hnh thy lc dng to ra chuyn ng quay.

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CC PHN T KHC1. Bnh tch p.Phn t thy lc dng tch tr mt lng lu cht vi mt p sut xc nh.

2. B trao i nhit (gii nhit).Phn t thy lc dng gii nhit cho lu cht cng tc.

3. Lc thy lc.Phn t thy lc dng tch cht bn rn, lm sch lu cht cng tc.

4. Van mt chiu. L mt dng van hng dng.

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BM KH NN

1. Phn loi c im.a. Bm piston trc khuu.b. Bm trc vt.c. Bm mng.

2. ng dng.Bm kh nn c dng cung cp kh nn cho cc thit b may c h thng kh nn.

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Bm mng K hiu

BNH TCH PPhn t khng th thiu ca h thng kh nn. N dng:+ Cha khng kh c nn.+ n nh p sut cho h thng.

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VAN KH NN1. Van iu chnh p sut.Phn t kh nn dng thay i gi tr p sut ca dng kh nn cho thch hp. Theo nguyn l ta c hai dng van iu chnh p sut:

a. Van trn.b. Van gim p.

2. Van iu chnh lu lng.Phn t kh nn dng thay i lng dng kh nn cung cp.

3. Van hng dng.Phn t kh nn dng thay i hng i ca dng kh nn.

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C CU CHP HNH KH NN

1. Xi lanh kh nn.C cu chp hnh kh nn to ra chuyn ng tnh tin.

2. ng c kh nn.C cu chp hnh kh nn dng to ra chuyn ng quay.

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CC PHN T KHC

1. Xy kh, Tch nc.Thit b hoc phn t dng tch nc v lm kh dng kh nn.

2. Lc kh nn.Phn t kh nn dng tch cht bn dng rn ra khi dng kh nn.

3. Du bi trn.Phn t dng cung cp du bi trn cho cc phn t kh nn khc.

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NG DNG CA TRUYN NG KH NN

Truyn ng kh nn hin nay c dng rt ph bin trong cc thit b may, nht l nhng thit b t ng, nh: My may t ng, my i t ng, My gp sn phm, g, . . .

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BI GING THIT B MAYTRUYN NG THY LC KH NNBM THY LCBM CNH GTBM BNH RNGBM PISTONVAN THY LCPHN LOI KT CU VAN THY LCVAN IU CHNH P SUTVAN iU CHNH LU LNGVAN HNG DNGC CU CHP HNH THY LCCC PHN T KHCBM KH NNBNH TCH PVAN KH NNC CU CHP HNH KH NNSlide 18NG DNG CA TRUYN NG KH NN