{"id":1417,"date":"2019-10-17T18:26:26","date_gmt":"2019-10-17T10:26:26","guid":{"rendered":"https:\/\/www.sevencrane.com\/?p=1417"},"modified":"2022-11-22T17:45:09","modified_gmt":"2022-11-22T09:45:09","slug":"crane-rail-gnawing","status":"publish","type":"post","link":"https:\/\/www.sevencrane.com\/fi\/crane-rail-gnawing\/","title":{"rendered":"SEVENCRANE ratkaisee siltanosturin\/nosturin kiskon naarmuuntumisongelman asiakkaille"},"content":{"rendered":"<p>SEVENCRANE sai tiedustelut siltanosturin\/ajonosturin nosturin py\u00f6rist\u00e4 ja nosturin kiskoista. Asiakas osti nosturin toiselta toimittajalta aiemmin, mutta havaitsi, ett\u00e4 nosturin kiskot ja py\u00f6r\u00e4t vaurioituivat vakavasti pian k\u00e4yt\u00f6n j\u00e4lkeen, mik\u00e4 vaikutti tuotantoon ja k\u00e4ytt\u00f6\u00f6n ja aiheutti suuren tappion. SEVENCRANE selvitti asiakkaalle vahingon syyt\u00e4, kun h\u00e4n tiesi ja tutki asiakkaan nosturin todellisen tilanteen. Nosturin nosturin kiskojen naarmuuntumisilmi\u00f6 johtuu osittain huonosta laadusta ja osittain objektiivisista virheellisest\u00e4 k\u00e4yt\u00f6st\u00e4.<\/p>\n\n\n\n<p>SEVENCRANE toimitti asiakkaillemme korkealaatuiset nosturin py\u00f6r\u00e4t ja nosturin kiskot sek\u00e4 koulutti heit\u00e4 j\u00e4rjestelm\u00e4llisesti siltanostureiden oikeaan k\u00e4ytt\u00f6\u00f6n ja huoltoon. Monet asiakkaat kiittiv\u00e4t ja ylistiv\u00e4t SEVENCRANEa ja allekirjoittivat pitk\u00e4aikaisia yhteisty\u00f6sopimuksia.<\/p>\n\n\n\n<p>Auttaakseen asiakkaita v\u00e4hent\u00e4m\u00e4\u00e4n siltanostureiden kiskon naarmuuntumisen aiheuttamia seisokkeja sek\u00e4 v\u00e4hent\u00e4m\u00e4\u00e4n h\u00e4vi\u00f6it\u00e4 ja yll\u00e4pitokustannuksia SEVENCRANE selvitti erityisesti nostureiden kiskon naarmuuntumisen syyt asiakkaiden luettavaksi ja oppimiseksi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Syit\u00e4 nostureiden kiskojen naarmuuntumiselle<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173347\/rail-gnawing-problem-of-overhead-crane.jpg\" alt=\"Nosturin kiskojen kalvausongelma\" class=\"wp-image-3873 lazyload\"\/><noscript><img decoding=\"async\" width=\"722\" height=\"255\" src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173347\/rail-gnawing-problem-of-overhead-crane.jpg\" alt=\"Nosturin kiskojen kalvausongelma\" class=\"wp-image-3873 lazyload\" srcset=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173347\/rail-gnawing-problem-of-overhead-crane.jpg 722w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173347\/rail-gnawing-problem-of-overhead-crane-300x106.jpg 300w\" sizes=\"(max-width: 722px) 100vw, 722px\" \/><\/noscript><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">1. Nosturin py\u00f6r\u00e4n isku. <\/h4>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173322\/components-of-bridge-crane-price.jpg\" alt=\"osat siltanosturin hinnasta\" class=\"wp-image-3868 size-full lazyload\"\/><noscript><img decoding=\"async\" width=\"923\" height=\"756\" src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173322\/components-of-bridge-crane-price.jpg\" alt=\"osat siltanosturin hinnasta\" class=\"wp-image-3868 size-full lazyload\" srcset=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173322\/components-of-bridge-crane-price.jpg 923w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173322\/components-of-bridge-crane-price-300x246.jpg 300w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173322\/components-of-bridge-crane-price-768x629.jpg 768w\" sizes=\"(max-width: 923px) 100vw, 923px\" \/><\/noscript><\/figure><div class=\"wp-block-media-text__content\">\n<p>Ensinn\u00e4kin valmistusvirheiden, ep\u00e4tasaisen kulumisen ja yksipuolisen huollon aikana tapahtuvan vaihdon vuoksi py\u00f6rien halkaisijat ovat molemmilla puolilla ep\u00e4tasaiset. Samalla nopeudella ajettaessa matkat molemmilla puolilla ovat ep\u00e4tasaisia ja halkaisijaltaan suuri puoli etenee v\u00e4hitellen, mik\u00e4 johtaa ep\u00e4synkronisuuteen, joka saa rungon vinoon ja n\u00e4r\u00e4st\u00e4\u00e4 kiskoja. Toiseksi, nelj\u00e4n py\u00f6r\u00e4n asennusasento ei ole suorakulmion nelj\u00e4ss\u00e4 kulmassa ja samalla puolella olevien py\u00f6rien keskipiste ei ole suorassa linjassa, mik\u00e4 muodostaa py\u00f6rien keskilinjan taipuman ja aiheuttaa kiskon naarmuuntumisen. . <\/p>\n<\/div><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">2. Kiskojen isku. <\/h4>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173351\/Rail-impact.jpg\" alt=\"Rautateiden vaikutus\" class=\"wp-image-3874 size-full lazyload\"\/><noscript><img decoding=\"async\" width=\"964\" height=\"648\" src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173351\/Rail-impact.jpg\" alt=\"Rautateiden vaikutus\" class=\"wp-image-3874 size-full lazyload\" srcset=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173351\/Rail-impact.jpg 964w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173351\/Rail-impact-300x202.jpg 300w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173351\/Rail-impact-768x516.jpg 768w\" sizes=\"(max-width: 964px) 100vw, 964px\" \/><\/noscript><\/figure><div class=\"wp-block-media-text__content\">\n<p>Ensinn\u00e4kin, koska kisko ei ole vakio, vaakasuuntainen taivutus on liian suuri ja suoruusvirhe yli 2 mm, mik\u00e4 johtaa kiinte\u00e4n radan naarmuuntumiseen.  <\/p>\n\n\n\n<p>Toiseksi raideleveys on liian suuri, py\u00f6r\u00e4n ulkoreuna puristaa kiskoa; p\u00e4invastoin, py\u00f6r\u00e4n sis\u00e4reuna nakertaa kiskoa.  <\/p>\n\n\n\n<p>Kolmanneksi molempien telojen samalla osuudella askelmien v\u00e4linen pystykorkeusero on yli 15 mm, mik\u00e4 aiheuttaa k\u00e4rryn ja kiskojen sivuluistumisen.  <\/p>\n\n\n\n<p>Nelj\u00e4nneksi kahden raiteen yhdensuuntaisuus on liiallista, muodostaen &quot;kahdeksan merkin&quot; tai trumpetin muotoisen, mik\u00e4 aiheuttaa kiskon kalvaa.  <\/p>\n\n\n\n<p>\n\nViidenneksi radan perustus ei ole vankka, ja kuormitettuna se uppoaa, mik\u00e4 johtaa kiskon naarmuuntumiseen.\n\n<\/p>\n<\/div><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">3. Nosturisillan muodonmuutosvaikutus. <\/h4>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173329\/Crane-bridge-deformation-impact.jpg\" alt=\"Nosturisillan muodonmuutosvaikutus\" class=\"wp-image-3869 size-full lazyload\"\/><noscript><img decoding=\"async\" width=\"1024\" height=\"747\" src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173329\/Crane-bridge-deformation-impact.jpg\" alt=\"Nosturisillan muodonmuutosvaikutus\" class=\"wp-image-3869 size-full lazyload\" srcset=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173329\/Crane-bridge-deformation-impact.jpg 1024w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173329\/Crane-bridge-deformation-impact-300x219.jpg 300w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173329\/Crane-bridge-deformation-impact-768x560.jpg 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/noscript><\/figure><div class=\"wp-block-media-text__content\">\n<p>Ensinn\u00e4kin sillan rungon muodonmuutokset aiheuttavat p\u00e4\u00e4typalkin vaakasuuntaisen taipumisen. Kun diagonaalin pituus ylitt\u00e4\u00e4 5 mm tai enemm\u00e4n, j\u00e4nnev\u00e4li ylitt\u00e4\u00e4 eron. Jos se on positiivinen, se puristaa py\u00f6r\u00e4n sis\u00e4reunaa; p\u00e4invastoin se puristaa py\u00f6r\u00e4n ulkoreunaa.  <\/p>\n\n\n\n<p>Toiseksi p\u00e4\u00e4typalkin vaakasuora taipuminen saa py\u00f6r\u00e4n poikkeamaan vaakasuunnassa siten, ett\u00e4 py\u00f6r\u00e4n keskilinja ja telan keskiviiva eiv\u00e4t ole suorassa linjassa muodostaen saman poikkeaman ja aiheuttaen kiskon naarmuuntumista.  <\/p>\n\n\n\n<p>Kolmanneksi sillan rungon pystypoikkeama aiheuttaa py\u00f6r\u00e4n pystysuuntaisen taipuman, joka aiheuttaa kulutuspinnan keskilinjan ja pystyviivan v\u00e4lisen kulman, muuttaa py\u00f6r\u00e4n vierint\u00e4s\u00e4dett\u00e4. Kuormauksen j\u00e4lkeen py\u00f6r\u00e4n toisen puolen pystypoikkeama kasvaa v\u00e4hitellen, kun taas toisen puolen pystypoikkeama pienenee, jolloin vierint\u00e4s\u00e4de vaihtelee, mik\u00e4 johtaa kiskon naarmuuntumiseen. <\/p>\n<\/div><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">4. Kahden moottorin erilainen nopeus tai eri jarrujen v\u00e4lisen v\u00e4lyksen s\u00e4\u00e4t\u00f6 erikseen ajettavan nosturin k\u00e4rryn ajomekanismissa aiheuttaa erilaisen jarrutusmomentin ja -askeleen, mik\u00e4 johtaa kiskon naarmuuntumiseen.<\/h4>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173334\/motor-of-crane.jpg\" alt=\"nosturin moottori\" class=\"wp-image-3870 lazyload\"\/><noscript><img decoding=\"async\" width=\"520\" height=\"482\" src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173334\/motor-of-crane.jpg\" alt=\"nosturin moottori\" class=\"wp-image-3870 lazyload\" srcset=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173334\/motor-of-crane.jpg 520w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173334\/motor-of-crane-300x278.jpg 300w\" sizes=\"(max-width: 520px) 100vw, 520px\" \/><\/noscript><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">5. Voimansiirtomekanismin kytkimen kahden p\u00e4\u00e4n v\u00e4linen rako on liian suuri, mik\u00e4 aiheuttaa sen, ett\u00e4 py\u00f6r\u00e4t eiv\u00e4t voi ajaa yht\u00e4 aikaa ja aiheuttaa kiskon naarmuuntumista.<\/h4>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173343\/parts-of-popular-crane.jpg\" alt=\"suosittujen nosturin osia\" class=\"wp-image-3872 lazyload\"\/><noscript><img decoding=\"async\" width=\"677\" height=\"452\" src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173343\/parts-of-popular-crane.jpg\" alt=\"suosittujen nosturin osia\" class=\"wp-image-3872 lazyload\" srcset=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173343\/parts-of-popular-crane.jpg 677w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173343\/parts-of-popular-crane-300x200.jpg 300w\" sizes=\"(max-width: 677px) 100vw, 677px\" \/><\/noscript><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">6. \u00d6ljy tai roskat telapinnalla voivat saada py\u00f6r\u00e4n k\u00e4ym\u00e4\u00e4n eri nopeuksilla molemmilla puolilla, mik\u00e4 voi my\u00f6s johtaa kiskon naarmuuntumiseen.<\/h4>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173339\/overhead-crane-tips.jpg\" alt=\"nosturin k\u00e4rjet\" class=\"wp-image-3871 lazyload\"\/><noscript><img decoding=\"async\" width=\"687\" height=\"609\" src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173339\/overhead-crane-tips.jpg\" alt=\"nosturin k\u00e4rjet\" class=\"wp-image-3871 lazyload\" srcset=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173339\/overhead-crane-tips.jpg 687w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/10\/22173339\/overhead-crane-tips-300x266.jpg 300w\" sizes=\"(max-width: 687px) 100vw, 687px\" \/><\/noscript><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><strong> Tuotteet, joista saatat olla kiinnostunut <\/strong><\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-3 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/04\/09150258\/underslung-eot-crane.jpg\" alt=\"alhaalla oleva eot-nosturi\" data-id=\"3160\" data-full-url=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/04\/09150258\/underslung-eot-crane.jpg\" data-link=\"https:\/\/www.sevencrane.com\/product\/european-type-single-girder-overhead-crane\/underslung-eot-crane\/\" class=\"wp-image-3160 lazyload\"\/><noscript><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/04\/09150258\/underslung-eot-crane.jpg\" alt=\"alhaalla oleva eot-nosturi\" data-id=\"3160\" data-full-url=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/04\/09150258\/underslung-eot-crane.jpg\" data-link=\"https:\/\/www.sevencrane.com\/product\/european-type-single-girder-overhead-crane\/underslung-eot-crane\/\" class=\"wp-image-3160 lazyload\" srcset=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/04\/09150258\/underslung-eot-crane.jpg 800w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/04\/09150258\/underslung-eot-crane-300x225.jpg 300w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/04\/09150258\/underslung-eot-crane-768x576.jpg 768w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/04\/09150258\/underslung-eot-crane-428x321.jpg 428w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/04\/09150258\/underslung-eot-crane-345x258.jpg 345w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/04\/09150258\/underslung-eot-crane-253x190.jpg 253w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/noscript><figcaption class=\"blocks-gallery-item__caption\"><a href=\"https:\/\/www.sevencrane.com\/fi\/product\/european-type-single-girder-overhead-crane\/\">https:\/\/www.sevencrane.com\/product\/european-type-single-girder-overhead-crane\/<\/a><\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2022\/06\/17105256\/32T-overhead-crane.jpg\" alt=\"32T nosturi\" data-id=\"3433\" data-full-url=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2022\/06\/17105256\/32T-overhead-crane.jpg\" data-link=\"https:\/\/www.sevencrane.com\/32ton-double-girder-overhead-crane-for-workshop\/32t-overhead-crane\/\" class=\"wp-image-3433 lazyload\"\/><noscript><img decoding=\"async\" width=\"750\" height=\"563\" src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2022\/06\/17105256\/32T-overhead-crane.jpg\" alt=\"32T nosturi\" data-id=\"3433\" data-full-url=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2022\/06\/17105256\/32T-overhead-crane.jpg\" data-link=\"https:\/\/www.sevencrane.com\/32ton-double-girder-overhead-crane-for-workshop\/32t-overhead-crane\/\" class=\"wp-image-3433 lazyload\" srcset=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2022\/06\/17105256\/32T-overhead-crane.jpg 750w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2022\/06\/17105256\/32T-overhead-crane-300x225.jpg 300w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2022\/06\/17105256\/32T-overhead-crane-428x321.jpg 428w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2022\/06\/17105256\/32T-overhead-crane-345x258.jpg 345w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2022\/06\/17105256\/32T-overhead-crane-253x190.jpg 253w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/noscript><figcaption class=\"blocks-gallery-item__caption\"><a href=\"https:\/\/www.sevencrane.com\/fi\/product\/double-girder-overhead-crane\/\">https:\/\/www.sevencrane.com\/product\/double-girder-overhead-crane\/<\/a><\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2021\/07\/18150947\/250kg-pillar-jib-crane.jpg\" alt=\"250kg pilaripuominosturi\" data-id=\"3637\" data-full-url=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2021\/07\/18150947\/250kg-pillar-jib-crane.jpg\" data-link=\"https:\/\/www.sevencrane.com\/some-precautions-for-pillar-jib-crane\/250kg-pillar-jib-crane\/\" class=\"wp-image-3637 lazyload\"\/><noscript><img decoding=\"async\" width=\"750\" height=\"545\" src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2021\/07\/18150947\/250kg-pillar-jib-crane.jpg\" alt=\"250kg pilaripuominosturi\" data-id=\"3637\" data-full-url=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2021\/07\/18150947\/250kg-pillar-jib-crane.jpg\" data-link=\"https:\/\/www.sevencrane.com\/some-precautions-for-pillar-jib-crane\/250kg-pillar-jib-crane\/\" 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