Bellow hom expansion pob qij txha yog qhov zoo rau kev sib txuas cua sov. Muaj ntau ntau hom khoom siv uas txawv ntawm qhov tsis sib xws thiab cov qauv tsim. Qhov peculiarity ntawm cov qauv no yog tias lawv muaj peev xwm tiv taus qhov kub thiab txias. Txhawm rau kom nkag siab qhov teeb meem no kom ntxaws, nws raug nquahu kom paub koj tus kheej nrog cov hom kev them nyiaj.
Type of devices
Raws li tus tsim, axial thiab flange bellows expansion pob qij txha rau cov cua sov tes hauj lwm GOST R 50671-94 yog qhov txawv. Muaj cov qauv qis thiab siab. Cov khoom siv flange tau muab faib ua cov qauv shear thiab lub kaum sab xis. Gimbal thiab thaiv kev hloov kho tau qhia nyob rau hauv ib pawg.
Cov cuab yeej siv siab qis
Cov qauv siab qis tau nquag siv hauv cov khoom siv cua sov. Hlau nyob rau hauv cov ntaub ntawv no yog siv nyob rau hauv txawv cim. Yog tias peb xav txog kev hloov kho ntawm OFN series, lawv muaj cov khoom siv dav. Lub axial stroke nruab nrab yog 80 mm. Lawv stiffness coefficient yog tsawg. Qhov siab tshaj plaws uas tso cai rau qhov kub ntawm cov nyiaj no yog -10 degrees.
Nws tseem yuav tsum tau muab sau tseg tias muaj kev hloov kho nrog qhov. Lawv tsim nyog rau cov kav dej uas muaj txoj kab uas hla ntawm 3 cm los yog ntau dua, lawv cov tawv nqaij coefficient yog nyob nruab nrab ntawm 300 N. Qhov loj ntawm ib qho qauv yog 10 kg. Yog tias peb xav txog KSO cov nyiaj them poob haujlwm, nws muaj plaub qhov. Qhov hluav taws xob nyob rau hauv rooj plaub no muaj qhov dav ntawm 80 mm. Lub siab txwv yog 1.2 bar.
qauv siab
Bellow expansion pob qij txha rau kev kub siab cua sov tes hauj lwm yog tsim los ntawm cov hlau hardened nkaus xwb. Qhov tsawg kawg nkaus tso cai kub ntawm cov nyiaj them poob haujlwm yog tsis ntau tshaj -20 degrees. Nws tseem tsim nyog sau cia tias muaj kev hloov kho nrog lub siab axial stroke. Cov khoom siv feem ntau yog tsim nrog cov khoom siv dav. Qhov qhov tuaj yeem nyob ntawm qhov deb ntawm qhov kev txhawb zog.
Qhov nruab nrab qhov dav dav yog 70 hli. Qhov ntsuas nruj rau cov qauv pib los ntawm 400 N. Nyob rau tib lub sijhawm, qhov ntsuas qhov hluav taws xob siab yog kwv yees li 2.5 bar. Yog tias peb xav txog KSO cov nyiaj them poob haujlwm, nws muaj tsib qhov. Lub axial stroke parameter yog nyob ntawm theem ntawm 40 mm. Qhov hnyav ntawm tus qauv yog raws nraim 10 kg. Hlau nyob rau hauv cov ntaub ntawv no yog siv nrog lub cim 12X. Qhov siab tshaj plaws uas tau tso cai rau qhov ntsuas qhov ntsuas qhov ntsuas yog 430 degrees.
Axis Models
Bellows compensator (axial) yog tsim los nrog tus tuav ntev. Racks rau kev hloov kho yog tsim nrog lub qhov hluav taws xob dav. Cov qauv yog qhov zoo rau cov kav dej kub-insulating. Hlau hauvntau hom khoom siv tau siv. Cov qauv niaj hnub no yog tsim nrog lub qhov. Qhov ntsuas qhov ntsuas qhov ntsuas siab rau cov nyiaj tau los yog tsawg kawg yog 4 bar. Kev nkag, raws li txoj cai, yog muab rau 55 mm. Lub zog coefficient yog nyob rau nruab nrab 340 N. Nws kuj tseem tsim nyog sau cia tias cov qauv muaj qhov kub thiab txias. Yog tias peb tham txog qhov tsis zoo, ces qhov tseeb tias cov khoom siv hnyav heev tsim nyog mloog. Cov neeg socialists tseem nco ntsoov tias cov qauv siv tsis tau rau cov kav dej txhuas.
Lub zog compression hauv qhov no yog qhov loj heev. Yog hais tias peb xav txog cov nram qab no (axial) compensator ntawm RK series, nws muaj qhov hluav taws xob ntawm 56 hli. Hauv qhov no, qhov hnyav ntawm cov khoom yog 12 kg. Tsis tas li ntawd, cov kws tshaj lij taw qhia rau cov khoom siv hluav taws xob tsawg. Qhov tsawg kawg nkaus tso cai kub ntawm lub compensator yog -20 degrees. Cov cuab yeej zoo heev rau cov kav dej kub-insulating. Cov cuab yeej yog fastened nrog ib tug hlua. Lub clamp nyob rau hauv cov ntaub ntawv no yog xaiv rau ob screws. Tsis muaj qhov nyob hauv qhov kev hloov kho uas nthuav tawm. Lub inlet yog siv ntawm 28mm. Lub zog tsis sib xws ntawm cov cuab yeej yog 300 N. Lub thrust stroke rau 1000 cycles yog kwv yees li 400 hli. Qhov siab tshaj plaws uas tau tso cai rau cov neeg them nyiaj ntawm hom no yog 340 degrees. Txawm li cas los xij, hauv qhov no, txhua yam nyob ntawm cov chaw tsim khoom thiab kos npe ntawm cov hlau siv.
Kev faib cov khoom siv flange
Flanged bellows expansion pob qij txha rau cov cua sov tes hauj lwm yog tsim rau cov kav dej ntawm cov kab sib txawv. Feem ntau cov khoom sivsiv los txuas cov kav hlau. Ntau qhov kev hloov kho yog tsim los ntawm steel series 17 GS. Cov khoom siv feem ntau muaj qhov tso zis dav. Qhov siab tshaj plaws qhov kub thiab txias ntawm cov neeg them nyiaj yog 340 degrees.
Nws kuj yuav tsum tau muab sau tseg tias muaj cov qauv nrog nqaim raws. Lawv fittings yeej ib txwm ua los ntawm steel. Qee cov khoom siv tau ua nrog cov ntsaws ruaj ruaj. Lawv cov zis, raws li txoj cai, yog teem nrog ib txoj kab uas hla ntawm 50 mm los yog ntau tshaj. Axial mus ncig rau 50 cycles tsis ntau tshaj 80 mm. Qhov hnyav ntawm tus qauv qauv yog kwv yees li 8 kg. Qhov tsawg kawg nkaus tso cai kub ntawm cov nyiaj them rov qab yog -20 degrees.
Shift devices
Shear bellows expansion pob qij txha rau cov cua sov tes hauj lwm muaj cov lus qhia txav tau. Kev hloov kho yog ua nyob rau hauv ntau qhov sib txawv. Cov qauv niaj hnub no yog tsim los nrog cov khoom siv dav. Nws yuav tsum tau muab sau tseg tias muaj cov qauv nrog ib tug nqaim tso zis. Qhov nruab nrab txoj kab uas hla yog 80 mm. Lub axial stroke ntawm 100 cycles ncav cuag qhov siab tshaj plaws ntawm 20 hli. Qhov hnyav ntawm cov qauv ib txwm hloov pauv ntawm 8 kg. Lub limiting siab nyob rau hauv cov ntaub ntawv no yog hais txog 3.3 bar. Muaj kev hloov kho nrog cov lus qhia thiab tsis muaj lawv. Nws tseem yuav tsum tau muab sau tseg tias kev hloov kho compact yog nthuav tawm ntawm lub khw. Yog tias peb xav txog PPU SKU qauv, nws muaj qhov hluav taws xob nrog lub raj. Hlau, raws li txoj cai, yog siv nyob rau hauv 17G series. Qhov siab tshaj plaws uas tau tso cai rau qhov ntsuas no yog 450 degrees.
Kaws qauv
Angular bellows expansion pob qij txha rau cov cua sov tes hauj lwm tsis ntev los no tau suav hais tias nrov heev. Lawv siv ib lub khib nyiab. Hlausiv nyob rau hauv txawv series. Cov qauv qauv yog tsim nrog luv luv tuav. Nws tseem yuav tsum tau muab sau tseg tias muaj kev hloov kho nrog lub qhov hluav taws xob dav rau cov kav dej kub-insulating. Lub inlet rau cov qauv no yog kwv yees li 65 hli. Lub axial stroke ntawm 50 cycles tsis ntau tshaj 80 mm. Qhov hnyav ntawm tus qauv qauv yog kwv yees li 7 kg.
Nws tseem yuav tsum tau muab sau tseg tias muaj cov khoom siv nrog qhov. Lawv qhov siab tshaj plaws ncav cuag 3.5 bar. Qhov tsawg kawg nkaus tso cai kub rau cov neeg siv nyiaj ntawm hom no pib ntawm -20 degrees. Kuj tseem muaj kev hloov kho nrog cov raj luv luv uas hnyav me ntsis. Yog tias peb xav txog PPU qhov sib koom ua ke, nws muaj tsib qhov. Hauv qhov no, qhov loj ntawm kev hloov kho yog raws nraim 10 kg. Lub zog coefficient hauv lub cuab yeej yog 322 N.
Kev faib cov khoom siv cardan
Gimbal qauv yog qhov zoo rau kev sib txuas cua sov. Hauv qhov no, cov kav dej tau kho sai heev. Qee qhov kev hloov kho yog ua nrog luv luv. Cov tuav yog txuas rau sab. Nws kuj yuav tsum raug sau tseg tias muaj cov khoom siv nrog cov khoom siv dav. Cov qhov yog nyob ntawm lub khib. Qhov hnyav ntawm tus qauv ntaus ntawv yog 7 kg. Lub stiffness coefficient nyob ntawm ntau yam. Nws tseem yuav tsum tau muab sau tseg tias muaj kev hloov kho loj uas yog ua los ntawm cov hlau. Lawv siv lub qhov hluav taws xob nrog txoj kab uas hla ntawm 80 mm. Hlau tuaj yeem siv 17G series.
Kub-insulated hloov kho
Insulated qauv yog qhov xav tau zoo. Lawv muaj ib tug nruj heev stance. Nws tseem yuav tsum tau muab sau tseg tias muaj cov qauv nrog luv racks. Tib lub sijhawm, cov hlabntsia nrog lub qhov hluav taws xob dav. Qhov hnyav ntawm tus qauv qauv yog 12 kg. Nws yuav tsum tau muab sau tseg tias lub qhov hluav taws xob yog siv nrog ib txoj kab uas hla ntawm 60 mm los yog ntau tshaj. Cov khoom siv no zoo heev rau insulating nkhaus kav.
Cov tuav tau siv rau hauv cov duab sib txawv. Lub zog coefficient rau kev hloov kho pib los ntawm 400 N. Cov pob qij txha txuas ntxiv yog insulated nrog lub foob. Qee cov qauv muaj peev xwm khav tau ntawm lawv cov kav ntev. Qhov tsawg kawg nkaus tso cai kub ntawm tus qauv compensator yog -10 degrees. Cov qhov hauv qhov no yog nyob ntawm khib. Feem ntau yog cov khoom siv nrog ib qho tso zis. Qhov siab tshaj plaws uas tau tso cai rau cov neeg them nyiaj ntawm hom no yog 340 degrees. Kuj tseem muaj cov qauv nrog lub siab coefficient ntawm rigidity. Qhov nruab nrab, qhov loj ntawm cov khoom no yog 15 kg. Hlau yog siv nyob rau hauv no series 18G.
Block Models
Kev hloov kho thaiv thaiv yog qhov muaj ntau thiab ua tau raws li cov qauv ntawm SNIP (cov xov tooj cua sov). Hlau lawv siv series 09GS. Kuj tseem muaj kev hloov kho nrog cov hlua txuas ntxiv. Cov cuab yeej siv feem ntau yog siv rau cov kav dej nkhaus. Axial mus ncig ntawm 50 cycles nruab nrab 70 mm. Qhov hnyav ntawm tus qauv qauv yog 9 kg. Cov zis hauv cov khoom siv pib los ntawm 70 mm. Tus qauv tsis tu ncua yog tsim nrog ib lub raj.
Muaj kev hloov kho nrog lub khib ntev. Muaj cov khoom siv nrog 4 thiab 8 qhov. Qhov tsawg kawg nkaus tso cai kub rau cov nyiaj them rau qhov no yog 60 mm. Yog tias peb xav txog cov nyiaj them poob haujlwm hauv PPU rwb thaiv tsev, lawv siv plaub qhov. Qhov hnyavnqa 9kg. Lub zog coefficient ntawm qhov kev hloov kho tau nthuav tawm yog nyob rau theem ntawm 430 N.
Pib hloov kho
Cov khoom pib pib yog qhov txawv ntawm qhov muaj qhov tawm dav. Cov qauv muaj racks ntawm txawv thicknesses. Nws tseem yuav tsum tau muab sau tseg tias kev hloov kho yog ua los ntawm cov clamps nruj. Cov qauv feem ntau yog ua me me. Qhov nruab nrab, kev hloov kho tus qauv hnyav tsis pub tshaj 8 kg. Nws tseem yuav tsum tau muab sau tseg tias steel, raws li txoj cai, yog siv nyob rau hauv 17G series. Inlet txoj kab uas hla ntawm cov qauv tsis pub tshaj 65 mm. Lub zog coefficient pib los ntawm 300 N. Lub axial mus los ntawm cov khoom siv feem ntau tsis tshaj 20 hli.
Rotary qauv
Rotary qauv uas ua raws li tau txais SNIP (kub tes hauj lwm) cov qauv zoo haum rau kev sib txuas cov kav dej nkhaus. Cov qauv yog ua racks ntawm qhov sib txawv ntev. Muaj kev hloov kho rau 4 thiab 8 qhov. Yog tias peb xav txog cov khoom siv ntawm PK series, lawv muaj lub raj ntev. Lub zog coefficient tsis tshaj 340 N. Lub axial stroke ntawm 50 cycles yog 50 mm. Qhov hluav taws xob hauv lub cuab yeej yog 45 mm. Nyob rau hauv tag nrho, tus qauv muaj plaub qhov. Qhov tsawg kawg nkaus tso cai rau qhov ntsuas kub yog -10 degrees.
Tseem muaj kev hloov kho nrog txoj kev nqaim. Lawv muaj ob lub racks. Cov cuab yeej yog tsau nrog screws. Cov qauv zoo haum rau cov kav dej nkhaus. Nws tseem tsim nyog sau cia tias muaj cov nyiaj them poob haujlwm ntawm qhov dav dav. Nruab nrab qhov hluav taws xob txoj kab uas hlasib 60 mm. Nyob rau tib lub sij hawm, lub zog coefficient pib los ntawm 320 N. Cov kws tshaj lij hais tias cov qauv no yooj yim heev rau nruab. Tsis tas li ntawd, nws yog ib qho tseem ceeb uas yuav tau txiav txim siab qhov ntsuas qhov ntsuas kub siab.
