Tshawb xyuas Cov Kev Xav Tau Ntawm Cov Khoom Siv Hluav Taws Xob Hluav Taws Xob Rau Cov Hluav Taws Xob

 Rau cov khoom tawg-pov thawj (explosion-proof zoo siab txee, tawg-pov thawj analyzer tsev, tawg-pov thawj faib lub thawv),fastenersfeem ntau yog ib feem tseem ceeb los tswj kev ncaj ncees ntawm nws hom tawg-pov thawj, tshwj xeeb tshaj yog rau cov nplaim hluav taws "d" thiab qee cov khoom siv pov thawj plua plav, cov khoom siv tshwj xeeb yuav tsum tau siv. Lawv ua lub luag haujlwm hauv kev txuas cov nplaim hluav taws xob sib txuas los yog tswj kev sib khi ntawm lub thawv, uas yog qhov tseem ceeb los xyuas kom meej qhov kev ntseeg siab ntawm hom tawg-pov thawj. Yog hais tias cov ntsia hlau pitch thiab kam rau ua kom haum ntawm lub fastener tsis yog raws li tus qauv, nws yog ib qho yooj yim rau poob thiab loosen, uas yuav cuam tshuam rau cov khoom tawg-pov thawj kev ua tau zoo thiab tsim muaj peev xwm muaj kev nyab xeeb. Yog li ntawd, cov khoom tawg-pov thawj yuav tsum xaiv cov fasteners uas ua tau raws li qhov yuav tsum tau muaj ntawm cov qauv kev tawg-pov thawj thiab tau dhau qhov kev kuaj xyuas, thiab tsuas yog hloov tau nrog tib lub fasteners.

Fastenersua lub luag haujlwm tseem ceeb hauv cov khoom flameproof. Peb txhua tus paub tias cov khoom siv hluav taws xob hluav taws xob siv hluav taws xob siv hluav taws xob tiv thaiv kom ua tiav kev ua haujlwm tawg. Yog tias muaj dab tsi tsis zoo nrog cov fasteners, cov ntaub thaiv npog flameproof thiab qhov sib koom ua ke yuav tsis sib haum, tab sis yuav muaj qhov khoob lossis lwm yam xwm txheej, thiab cov khoom siv hluav taws xob yuav poob qhov tseem ceeb ntawm flameproof, yog li fasteners ua lub luag haujlwm tseem ceeb hauv cov khoom tawg. .

Tus tsim ntawm fastening bolts rau flameproof plhaub yog tsuas yog nqa tawm los ntawm lubntsia liaj qhov roojlub zog, lub zog ntawm cam khwb cia txhuas plhaub xov, suav cov ntsia liaj qhov rooj ua ntej zawm torque, ntsia liaj qhov rooj los tiv thaiv loosening thiab raug.

1. Lub zog: xaiv cov fasteners nrog lub zog tsim nyog los xyuas kom meej tias lub plhaub yuav tsis poob thaum nws dais lub siab tawg;

2. Lub qhov muag tsis pom kev: thaum lub ntsia liaj qhov rooj yog ntsia rau hauv qhov muag tsis pom ntawm lub plhaub phab ntsa uas tsis muaj lub tshuab ntxhua khaub ncaws, yam tsawg kawg ib lub buckle ntawm cov nyiaj yuav tsum tau tshwj tseg rau hauv qab ntawm lub qhov;

3. Kev tiv thaiv: siv elastic washer, tiaj tus ntxhua khaub ncaws, counterbore thiab lwm yam kev tiv thaiv fasteners;

4. Torque: lub torque nruj yuav tsum tau teev nyob rau hauv daim ntawv, thiab tus nqi teev yuav tsum tau ua raws li thaum lub sij hawm installation;

5. Kev sib dhos sab nrauv:

(1) Hexagon socket: protruding los ntawm lub qhov ntsia hlau tom qab fastening

(2) Cov cuab yeej siv hauv chav kawm I: lub taub hau yog muab nrog lub hau tiv thaiv los yog counterbore, los yog tiv thaiv los ntawm cov khoom siv sab hauv

(3) Cov cuab yeej siv hauv chav kawm II: qhov tso cai xov qhov tob h ntawm qhov fastener qhov tsawg kawg yog sib npaug rau sab nraud ntawm cov xov fastener

6. Cov khoom yuav tsum tau muaj: cov ntaub ntawv yas thiab cov ntaub ntawv alloy lub teeb tsis raug tso cai;

7. Lwm yam yuav tsum tau muaj:

(1) Lub qhov rooj lossis lub hau uas kho los ntawm cov xov yuav tsum tau kho ntxiv los ntawm hexagon socket teem ntsia hlau los yog sib npaug;

(2) Ob lub taub hau ntsia hlau yuav tsum ruaj khov thiab ruaj khov rau ntawm lub plhaub los ntawm kev sib tsoo vuam lossis riveting lossis lwm yam sib npaug;

(3) Cov fasteners yuav tsum tsis txhob nkag mus rau hauv cov phab ntsa uas tsis muaj hluav taws xob tshwj tsis yog tias lawv tsim cov nplaim hluav taws sib txuas nrog cov phab ntsa thaiv thiab cov ntaub thaiv tsis tuaj yeem sib cais.

(4) Thaum lub ntsia liaj qhov rooj uas tsis muaj lub tshuab ntxhua khaub ncaws yog tag nrho screwed rau hauv lub qhov muag tsis pom ntawm cov phab ntsa ntawm cov nplaim hluav taws, yam tsawg kawg ib qho nyiaj pub dawb yuav tsum khaws cia rau hauv qab ntawm lub qhov;

(5) Rau cov ntsia hlau qhov los yog studs uas tsis nkag mus rau ntawm phab ntsa ntawm cov nplaim hluav taws, qhov seem thickness ntawm phab ntsa ntawm cov ntaub thaiv npog yuav tsum yog tsawg kawg yog 1/3 ntawm txoj kab uas hla ntawm lub ntsia liaj qhov rooj los yog stud, thiab qhov tsawg kawg nkaus thickness yuav tsum. ua 3mm.

Flameproof enclosure feem ntau muaj ob hom: dav hlau thiab seam. Rau lub dav hlau qauv, bolts tsis tsuas yog ua lub luag haujlwm fastening, tab sis kuj ua kom lub dav hlau tshem tawm. Rau cov qauv seam, thaum flameproof nto tsuas yog txiav txim siab ntawm lub tog raj kheej, lub ntsia liaj qhov rooj tsuas yog ua lub luag haujlwm fastening, thiab tib lub sijhawm, lub luag haujlwm tshem tawm ntawm lub dav hlau yuav tsum tau lav. Thaum tapping cov xov ncaj qha rau ntawm lub plhaub, nws yuav tsum tau muab sau tseg tias lub qhov taub ntawm lub fastener yuav tsum tsis txhob hla lub plhaub flameproof kom deb li deb tau. Thaum hla lub plhaub, cov npoo ntawm ntau tshaj 3 hli yuav tsum tau tso rau hauv qab ntawm lub qhov ntsia hlau. Thaum siv aluminium alloy thiab lwm yam ntaub ntawv alloy lub teeb los ua lub plhaub flameproof, vim lub zog ntawm aluminium alloy tsis tshua muaj zog, thaum lub plhaub flameproof uas yuav tsum tau qhib ib txwm (xws li hloov lub teeb qhov yuav tsum tau qhib) yog fastened nrog screws. , cov xov yuav tsum tsis txhob tapping ncaj qha rau ntawm aluminium alloy plhaub, lub zog ntawm lub qhov ntsia hlau tuaj yeem nce los ntawm embedding lub tsho tiv thaiv xoob sab hauv thiab sab nraud threaded steel tes tsho, thiab qhov ua tsis tiav los ntawm cov xov lwj tuaj yeem tiv thaiv. Tsis txhob qhib lub bolts uas tau teeb tsa ua ntej tawm hauv lub Hoobkas thaum tus neeg siv hloov lub teeb los yog kho lawv. Koj tuaj yeem ncaj qha coj mus rhaub cov ntsia hlau qhov ntawm lub plhaub, tab sis koj tsis tuaj yeem siv cov xov zoo. Sim siv cov xov ntxhib, thiab muaj cov meshing buckles txaus kom ua tau raws li qhov yuav tsum tau ua.

Nyob rau hauv luv luv, thaum tsim enclosure fasteners, lub luag hauj lwm ntawm flameproof enclosure yuav tsum tau qhia kom meej meej. Txawm hais tias nws tsuas yog ua lub luag haujlwm ntawm fastening, los yog nws kuj plays lub luag hauj lwm los xyuas kom meej lub dav hlau clearance, thiab ces paub meej tias qhov siab tshaj plaws axial load ntawm lub bolt yog tsim nyog.

Cov kev cai dav dav rau fasteners ntawm cov khoom tawg-pov thawj

1.1 Rau cov fasteners tsim nyog los xyuas kom meej qhov tshwj xeeb explosion-proof hom los yog tiv thaiv kev sib cuag nrog exposed qhov chaw nyob, tsuas yog cov cuab yeej (xws li ntswj ntsia hlau, ciaj ntswj, thiab lwm yam) yuav siv tau los loosen los yog tshem tawm.

1.2 Yog hais tias cov khoom ntawm lub fastener haum rau lub plhaub khoom, lub fastener rau lub plhaub uas muaj lub teeb hlau yuav ua tau los ntawm lub teeb hlau los yog cov khoom uas tsis yog-hlau.

1.3 Tsuas yog thaum cov xov zoo haum rau cov khoom siv plhaub, lub qhov ntsia hlau tuaj yeem rub tawm ntawm lub plhaub rau kev txhim kho lub hau uas yuav qhib rau hauv kev ua haujlwm.

Yuav tsum tau tshwj xeeb fasteners

Xov pitch, kam rau ua haum, ntsia liaj qhov rooj (tus ntsia thawv) taub hau los yog txiv ntseej yuav tsum tau raws li qhov yuav tsum tau ntawm cov qauv tsim.

2.1 Lub suab ntawm cov xov yuav tsum ua tau raws li qhov yuav tsum tau ua ntawm GB / T 9144 loj-pitch metric xov. Cov koob no raug xaiv los ntawm cov xov sib xws uas tau teev tseg hauv GB / T 193, thiab qhov nominal txoj kab uas hla yog 1mm ~ 64mm; Qhov kev zam haum ntawm cov xov yuav tsum ua raws li 6g / 6H hauv GB / T 197 thiab GB / T 2516 (tus lej qhia txog qib siab, qhov siab dua qhov tseeb, qhov tsawg dua tus nqi; tsab ntawv qhia txog txoj haujlwm ntawm cheeb tsam kam rau ua, Tsab ntawv qis yog siv rau cov xov sab nraud, thiab tsab ntawv loj yog siv rau cov xov sab hauv).

2.2 Cov khoom siv raws li tus qauv yuav tsum tau ua

2.2.1 Hexagon bolts yuav tsum ua tau raws li qhov yuav tsum tau muaj ntawm GB / T 5782 lossis GB / T 5783.

2.2.2 Hexagon socket lub taub hau hau screws yuav tsum ua tau raws li qhov yuav tsum tau muaj ntawm GB / T 70.1.

2.2.3 Hexagon socket set screws yuav tsum ua tau raws li qhov yuav tsum tau muaj ntawm GB / T 77 (pav kawg), GB / T 78 (tapered kawg), GB / T 79 (cylindrical kawg) lossis GB / T 80 (concave kawg).

Thaum siv lwm cov ntsia liaj qhov rooj (tus ntsia thawv) lub taub hau lossis cov txiv ntoo fasteners, cov khoom tawg-pov thawj yuav tsum raug cim nrog "X", thiab cov fasteners no yuav tsum tau teev meej meej hauv cov lus qhia khoom, thiab nws yuav tsum tau piav qhia tias tsuas yog tib lub fasteners tuaj yeem ua tau. hloov.

2.3 Qhov yuav tsum tau muaj rau qhov tshwj xeeb fastener qhov

2.3.1 Qhov tso cai xov qhov tob h ntawm lub qhov tshwj xeeb fastener yuav tsum muaj tsawg kawg yog sib npaug rau sab nraud ntawm cov xov fastener (raws li qhia hauv daim duab 1).

Daim duab 1: Tso cai sib koom tes xov qhov tob h ntawm qhov tshwj xeeb fastener qhov

2.3.2 Cov xov kam rau ntawm qhov tshwj xeeb fastener yuav tsum ua raws li 6H hauv GB / T 197 thiab GB / T 2516, thiab cov xwm txheej hauv qab no yuav tsum tau ua raws li:

a) Lub qhov nyob rau hauv lub taub hau ntsia liaj qhov rooj yuav tsum ua raws li qhov yuav tsum tau ua ntawm nruab nrab sib dhos tsis loj dua H13 hauv GB / T 5277-1985, uas yog, qhov kev tshem tawm ntawm ntu c hauv daim duab 2 yuav tsum tsis txhob ntau tshaj qhov Qhov siab tshaj plaws tso cai tshem tawm ntawm H13 nruab nrab sib dhos hauv GB / T 5277-1985 (piv txwv li, lub qhov taub ntawm M6 bolt haum yuav tsum tsis txhob siab tshaj Ф 6.6).

Daim duab 2: Haum kev tshem tawm ntawm lub qhov hauv qab lub taub hau ntsia liaj qhov rooj thiab lub ntsia liaj qhov rooj

b) Lub qhov nyob rau hauv lub nyias pas nrig ntsia liaj qhov rooj taub hau (los yog txiv ntseej) yuav tsum tau tapping kom paub meej tias lub bolts tsis poob. Qhov luaj li cas ntawm lub qhov ntsia hlau yuav tsum xyuas kom meej tias qhov chaw sib cuag nrog qhov sib txuas yog qhov tsawg kawg yog sib npaug ntawm qhov chaw sib cuag ntawm cov pas nrig tsis nyias hauv lub teeb lub qhov (qhov "X" lub nplhaib hu rau hauv daim duab 3). Ntawd yog, qhov sib tiv tauj X ntawm cov pas nrig nyias fastening bolt thiab qhov txuas txuas yuav tsum tsis txhob tsawg dua qhov sib cuag ntawm tag nrho cov xov fastening bolt (saib daim duab 2).

Daim duab 3: Sib cuag saum npoo ntawm nyias pas nrig fastening bolt taub hau thiab fastener

2.4 Qhov yuav tsum tau muaj rau hexagon socket teem screws

Rau hexagon socket teem screws (piv txwv li, rau kev xauv lub hom phiaj) siv rau fastening threaded kaus mom, lub siab haum haum ntawm cov xov yuav tsum ua raws li 6g / 6H nyob rau hauv GB / T 197 thiab GB / T 2516, thiab yuav tsum tsis txhob protrude los ntawm lub qhov ntsia hlau. tom qab fastening.