Iyo jack yemotokari ishongedzo yakakosha iyo inokutendera kuti uite zvechinyakare kugadzirisa kwerori kana mota mune zviitiko apo kugadzirisa uku kunofanirwa kuitwa pasina kutsigira mota pamavhiri, pamwe nekushandura mavhiri zvakananga panzvimbo yekuputsika kana kumira. .Iko nyore kwejack yemazuva ano iri mukufamba kwayo, huremu hushoma, kuvimbika uye nyore kugadzirisa.
Kazhinji kacho, majeki anoshandiswa nevatyairi vemotokari nemarori, makambani ekufambisa emotokari (kunyanya zvikwata zvavo zvinofamba), masevhisi emotokari uye kutakura matayi.
Main features
Mutoro wekutakura (unoratidzwa mumakirogiramu kana matani) ndiwo huremu hwepamusoro hwemutoro unogona kusimudza jack.Kuti uone kana jeko rakakodzera kusimudza mota iyi, zvinodikanwa kuti kutakura kwayo kusava kwakaderera pane kwejaki yakajairwa kana kuve 1/2 yehuremu hwemotokari.
Nzvimbo yekutsigira ndiyo chikamu chepasi chekutsigira chejack.Iyo inowanzo hombe kupfuura yekumusoro inotakura chikamu kuti ipe kushoma kwakananga kudzvanya pane inotakura nzvimbo sezvinobvira, uye inopihwa "spike" protrusions kudzivirira jack kubva pakutsvedza pachikuva chekutsigira.
Pickup chikamu chejack yakagadzirirwa kuzorora mumotokari kana mutoro wakasimudzwa.Pane screw kana rack jacks yemhando dzekare dzemotokari dzepamba, itsvimbo inopeta, pane vamwe, sekutonga, yakaomesesa bracket (inosimudza chitsitsinho).
Minimum (yekutanga) yekusimudza urefu (Nmin)- iyo idiki yakamira chinhambwe kubva pachikuva chekutsigira (nzira) kuenda kupikicha munzvimbo yayo yepasi yekushanda.Kureba kwekutanga kunofanirwa kunge kuri kudiki kuitira kuti jack ipinde pakati pepuratifomu yekutsigira uye kumiswa kana zvinhu zvemuviri.
Hurefu hwepamusoro hwekusimudza (N.max)- iyo yakakura yakamira chinhambwe kubva papuratifomu yekutsigira kuenda kunotora kana uchisimudza mutoro kusvika paurefu hwakazara.Hukoshi husina kukwana hweHmax haitenderi jack kuti ishandiswe kusimudza mota kana matrailer uko jack iri pakakwirira.Muchiitiko chekushaikwa kwehurefu, spacer cushions inogona kushandiswa.
Maximum jack sitiroko (L.max)- iyo yakanyanya vertical kufamba kwepikicha kubva pasi kuenda kumusoro.Kana chirwere chekushanda chisina kukwana, jack haigoni "kubvarura" gumbo kubva mumugwagwa.
Kune akatiwandei emhando dzejeki, ayo anokamurwa zvichienderana nerudzi rwekuvaka:
1.Screw jacks
2.Rack uye pinion jacks
3.Hydraulic jacks
4.Pneumatic jacks
1. Zvikurusa jeko
Kune marudzi maviri e-screw car jacks - telescopic uye rhombic.MaScrew jacks anofarirwa nevatyairi.Panguva imwecheteyo, rhombic jacks, simba rekutakura iro rinosiyana kubva pa 0.5 toni kusvika ku 3 tani, inonyanya kufarirwa nevaridzi vemotokari uye inowanzobatanidzwa mune seti yezvigadzirwa zvemugwagwa.Telescopic jacks ine simba rekutakura rinosvika gumi neshanu matani akakosha kune SUV uye LCV mota dzemhando dzakasiyana.
Chikamu chikuru chescrew jack is screw ine hinged inotakura kapu, inofambiswa nemubato.Basa rezvinhu zvinotakura zvinhu rinoitwa nemuviri wesimbi uye screw.Zvichienderana nekutenderera kwemubato, screw inosimudza kana kudzikisa chikuva chekutora.Kubata mutoro munzvimbo yaunoda kunoitika nekuda kwebraking ye screw, iyo inovimbisa kuchengetedzwa kwebasa.Nekufamba kwakatwasuka kwemutoro, jack pane sled ine screw inoshandiswa.Kuremerwa kwehuremu jacks kunogona kusvika gumi nemashanu matani.
Izvo zvakakosha zve screw jacks:
● yakakosha kushanda sitiroko uye kusimudza kureba;
● uremu huremu;
● Mutengo wakaderera.
Screw jacks
Iyo screw jack yakavimbika mukushanda.Izvi zvinokonzerwa nekuti mutoro unogadziriswa netambo ye trapezoidal, uye kana uchisimudza mutoro, nut inotenderera isina basa.Mukuwedzera, zvakanakira zvezvishandiso izvi zvinosanganisira kusimba uye kugadzikana, pamwe nekuti ivo vanogona kushanda pasina mamwe mastand.
2. Rack uye pinion jacks
Chikamu chikuru che rack jack isimbi inotakura simbi ine kapu yekutsigira mutoro.Chinhu chakakosha che rack jack inzvimbo yakaderera yepuratifomu yekusimudza.Mugumo wezasi wenjanji (paw) ine kona yekurudyi yekusimudza mitoro ine yakaderera pasi inotsigira.Mutoro unosimudzwa panjanji unobatwa nemidziyo yekukiya.
2.1.Lever
Iyo rack inokwidziridzwa neye swinging drive lever.
2.2.Mazino
Mune giya jacks, dhiraivha yedhiraivha inotsiviwa negiya, iyo inotenderera kuburikidza negiya bhokisi uchishandisa dhiraivha mubato.Kuti mutoro ugadziriswe zvakachengeteka pane imwe nzvimbo yakakwirira uye munzvimbo yaidiwa, imwe yegiya inoshongedzerwa nekuvhara michina - ratchet ine "pawl".
Rack uye pinion jacks
Rack jacks ane simba rekutakura rinosvika matani matanhatu ane rimwe-danho gearbox, kubva pa6 kusvika ku15 matani - maviri-nhanho, anopfuura gumi nemashanu matani - matatu-nhanho.
Majeki akadaro anogona kushandiswa ese akamira uye akatwasuka, ari nyore kushandisa, akagadziridzwa zvakanaka uye chishandiso chepasirese chekusimudza nekugadzirisa kutakura.
3. Hydraulic jacks
Hydraulic jacks, sezita rinoratidza, inoshanda nekudzvinyirira zvinwiwa.Iyo mikuru inotakura zvinhu muviri, iyo inodzoreredzwa piston (plunger) uye inoshanda fluid (kazhinji hydraulic mafuta).Imba yacho inogona kunge iri mbiri silinda yepiston uye dura remvura inoshanda.Iyo yekusimbisa kubva padhiraivha mubato inofambiswa kuburikidza nerevheti kuenda kune yekuburitsa pombi.Paunenge uchikwira kumusoro, mvura inobva mugomba inodyiswa mugomba repombi, uye kana yakamanikidzwa, inoputirwa mumhango ye silinda inoshanda, ichiwedzera plunger.Reverse kuyerera kwemvura kunodzivirirwa nekusveta uye kubuda mavharuvhu.
Kuti udzikise mutoro, tsono yekuvhara yevhavha yevhavha inozarurwa, uye mvura inoshandiswa inomanikidzwa kubva mumhango ye silinda yekushanda ichidzokera mutangi.
Hydraulic jacks
Zvakanakira zve hydraulic jacks zvinosanganisira:
● mutoro mukuru wekutakura - kubva pamatani maviri kusvika ku200;
● kusimba kwemaitiro;
● kugadzikana;
● kutsetseka;
● compactness;
● simba shoma pamubato wekutyaira;
● kushanda kwepamusoro (75-80%).
Zvakaipa zvinosanganisira:
● kusimudza kuduku kukwirira mune imwe yekushanda kutenderera;
● kuoma kwekugadzira;
● hazvibviri kugadzirisa kureba kwekudzikisa zvakanyatsonaka;
● Majeki akadaro anogona kukonzera kuputsika kwakakomba kupfuura michina yekusimudza.Nokudaro, ivo vanonyanya kuoma kugadzirisa.
Kune akati wandei marudzi e hydraulic jacks.
3.1.Classic bhodhoro jacks
Imwe yemhando dzakasiyana-siyana uye dziri nyore ndeye-single-rod (kana single-plunger) bhodhoro jack.Kazhinji, majeki akadaro chikamu chezvishandiso zvemumigwagwa zvemarori emhando dzakasiyana-siyana, kubva kumagetsi ekutengesa matani kusvika kune makuru-tonnage zvitima zvemigwagwa, pamwe nemidziyo yekugadzira migwagwa.Jack yakadaro inogona kutoshandiswa semagetsi emagetsi ekudhinda, pombi benders, pombi cutters, nezvimwe.
Telescopic
jacks
3.2.Telescopic (kana kaviri-plunger) jacks
Iyo inosiyana kubva kune imwechete-tsvimbo chete nekuvapo kwe telescopic tsvimbo.Majeki akadaro anokubvumira kusimudza mutoro kusvika pakakwirira, kana kuderedza kukwirira kwepikicha, uchichengetedza hurefu hwekusimudza.
Vane simba rekutakura rematani maviri kusvika ku100 kana kupfuura.Imba yacho zvese silinda yekutungamira yeplunger uye dura remvura inoshanda.Chitsitsinho chekusimudza chejeki chine simba rekutakura rinosvika matani makumi maviri rinowanikwa pamusoro peiyo screwed mu plunger.Izvi zvinobvumira, kana zvichidikanwa, nekusunungura screw, kuwedzera urefu hwekutanga hwejack.
Kune magadzirirwo ema hydraulic jacks, uko mota yemagetsi yakabatana nemota pa-board network, kana pneumatic drive, inoshandiswa kutyaira pombi.
Paunosarudza hydraulic bhodhoro jack, zvinodikanwa kuti utarise kwete chete kugona kwayo kutakura, asiwo kunhonga uye kusimudza kukwirira, sezvo sitiroko yekushanda ine simba rakakwana rekutakura rinogona kunge risina kukwana kusimudza mota.
Hydraulic jacks inoda kutariswa kweiyo fluid level, mamiriro uye kusimba kwemafuta zvisimbiso.
Nekusawanzoshandiswa kwemajeki akadaro, zvinokurudzirwa kuti usasimbisa nzira yekuvhara kusvika kumagumo panguva yekuchengetedza.Basa ravo rinogoneka chete munzvimbo yakatwasuka uye chete (senge chero hydraulic jacks) yekusimudza, uye kwete yekugara kwenguva refu yemutoro.
3.3.Rolling jacks
Rolling jacks imuviri wakaderera pamakumbo, kubva kune iyo lever ine chitsitsinho chekusimudza inosimudzwa ne hydraulic cylinder.Izvo zviri nyore zvebasa zvinofambiswa nemapuratifomu anobviswa anoshandura kureba kwekusimudza nekusimudza.Hazvifanirwe kukanganwa kuti nzvimbo yakadzika uye yakaoma inodiwa kuti ushande nejeko rinoputika.Nokudaro, rudzi urwu rwejeki, sekutonga, runoshandiswa mumitambo yemotokari uye zvitoro zvetairi.Anonyanya kuzivikanwa majeki ane simba rekutakura rematani maviri kusvika ku5.
4. Pneumatic jacks
Rolling jacks
Pneumatic jacks
Pneumatic jacks akakosha kana paine gaka diki pakati perutsigiro uye mutoro, nekufamba kudiki, kuisirwa chaiko, kana basa richizoitwa panzvimbo yakasununguka, isina kuenzana kana ine machakwi.
Iyo pneumatic jack is flat rabha-tambo sheath yakagadzirwa neakakosha yakasimbiswa jira, iyo inowedzera pakureba kana yakamanikidzwa mhepo (gasi) inopihwa kwairi.
Iko kutakura kugona kweiyo pneumatic jack kunotemerwa nekumanikidza kwekushanda mune pneumatic drive.Pneumatic jacks anouya mune akati wandei saizi uye akasiyana mitoro masimba, kazhinji 3 - 4 - 5 matani.
Iko kusakosha kukuru kwepneumatic jacks ndiyo mari yavo yakakwirira.Iyo inopesvedzerwa nekuoma kwakaoma kweiyo dhizaini, inonyanya kuenderana nekuiswa chisimbiso kwemajoini, inodhura tekinoroji yekugadzira yakavharwa mabhomba uye, pakupedzisira, madiki madiki mabheti ekugadzira.
Hunhu hwakakosha pakusarudza jack:
1.Kutakura simba ndiyo yakawanda inorema inorema yemutoro unofanirwa kusimudzwa.
2.Kutora kwekutanga-kureba ndiko kuduku kusingagoneki kureba kwakadzika pakati pekutakura nzvimbo uye nzvimbo yekutsigira yemuchina munzvimbo yakaderera yekushanda.
3.Kusimudza kukwirira ndiko kureba kwepamusoro kubva panzvimbo inotsigira kusvika kune imwe nzvimbo yekushanda, inofanira kukubvumira kubvisa nyore nyore chero gumbo.
4.Kutora chikamu chemaitiro akagadzirirwa kuti agare pane chinhu chiri kusimudzwa.Mazhinji rack uye pinion jacks ane pick-up yakagadzirwa nenzira yekupeta tsvimbo (iyi nzira yekusimbisa haina kukodzera kumota dzese, iyo inomisa chiyero chayo), nepo kunhonga kwe hydraulic, rhombic uye mamwe mamodheru anogadzirwa. muchimiro chesimbi yakagadzika bracket (kusimudza chitsitsinho).
5.Kushanda sitiroko - kufambisa pikicha yakatwasuka kubva pasi kuenda kumusoro.
6.Kurema kwejack.
Mitemo yekuchengetedza kana uchishanda nejeki
Paunenge uchishanda nemajacks, zvinodikanwa kutevedzera mitemo yekuchengetedza pakushanda nemajack.
Kana uchitsiva vhiri uye panguva yebasa rekugadzirisa nekusimudza nekurembedza mota, zvinodikanwa:
● gadzirisa mavhiri kune rumwe rutivi rwejeki kumativi ose maviri kuti udzivise motokari ichidzokera shure uye ichidonha kubva pajeki kana kumira.Kuti uite izvi, unogona kushandisa shangu dzakakosha;
● Mushure mokusimudza muviri kune hurefu hunodiwa, pasinei nekugadzirwa kwejack, isa chigadziko chakavimbika pasi pezvinhu zvinotakura zvinhu zvemuviri (sills, spars, frame, nezvimwewo).Izvo zvinorambidzwa zvachose kushanda pasi pemotokari kana iri pajeki chete!
Nguva yekutumira: Jul-12-2023