{"id":4638,"date":"2024-10-31T23:35:21","date_gmt":"2024-10-31T15:35:21","guid":{"rendered":"https:\/\/www.hnhlcrane.com\/?post_type=product&#038;p=4638"},"modified":"2026-03-04T13:59:37","modified_gmt":"2026-03-04T05:59:37","slug":"katrol-voor-bovenloopkraan","status":"publish","type":"product","link":"https:\/\/www.hnhlcrane.com\/nl\/product\/katrol-voor-bovenloopkraan\/","title":{"rendered":"Bovenloopkatrol"},"content":{"rendered":"<h6><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 18pt;\">De samenstelling van de katrol van de luchtkraan<\/span><\/strong><\/h6>\n<p>De <strong>katrol voor bovenloopkraan<\/strong> is een essentieel onderdeel van hijs- en hefmachines en vervult meerdere functies door het gecombineerde gebruik van vaste en beweegbare katrollen, waaronder het hijsen van zware voorwerpen, het veranderen van de richting van de kracht en het verminderen van de vereiste inspanning. Deze katrollen worden meestal vervaardigd met behulp van verschillende materialen en processen, zoals gietijzer, gietstaal of gewalste staalplaat, om te voldoen aan specifieke eisen voor sterkte, slijtvastheid en lichtgewichteigenschappen, afhankelijk van de werkomstandigheden.<\/p>\n<ul>\n<li><strong>Vaste katrol<\/strong>: Dient voornamelijk om de richting van de kracht te veranderen zonder de inspanning te verminderen. Het principe van de vaste katrol is gebaseerd op een hefboom met gelijke arm, waarbij de krachtarm en weerstandsarm gelijk zijn, wat betekent dat hij geen extra kracht bespaart of nodig heeft om te werken. In situaties waar het touwgewicht en de wrijving tussen het touw en de katrol verwaarloosbaar zijn, kan de vaste katrol de krachtrichting van het touw constant houden, wat essentieel is voor het stabiel heffen van voorwerpen.<\/li>\n<li><strong>Beweegbare katrol<\/strong>: Ge\u00efnstalleerd op de <a href=\"https:\/\/www.hnhlcrane.com\/nl\/product\/kraanhaak-4\/\" target=\"_blank\" rel=\"noopener\"><strong>kraanhaak<\/strong><\/a>. Bij het hijsen van een last met een beweegbare katrol kan de helft van de inspanning worden bespaard, maar moet er wel twee keer zoveel aan staalkabel worden getrokken. Het principe achter de beweegbare katrol is dat de last wordt ondersteund door twee kabelsegmenten, waarbij elk segment slechts de helft van het gewicht draagt, waardoor een krachtbesparend effect ontstaat.<\/li>\n<li><strong>Katrolblok<\/strong>: Samengesteld uit meerdere vaste en beweegbare katrollen, maakt het een combinatie mogelijk van het krachtbesparende voordeel van de beweegbare katrol en de richtingsverandering van de vaste katrol. Dit maakt zowel krachtvermindering als richtingverandering mogelijk, waardoor zware lasten effici\u00ebnter kunnen worden gehesen. Het werkingsprincipe van het katrolblok is gebaseerd op de combinatie van de krachtbesparende functie van de beweegbare katrol en het vermogen van de vaste katrol om van richting te veranderen.<\/li>\n<\/ul>\n<h6><strong><span style=\"font-size: 18pt; font-family: arial, helvetica, sans-serif;\">Normen voor het afwerpen van bovenloopkatrollen:<\/span><\/strong><\/h6>\n<ul>\n<li><strong>Draag<\/strong>: Als de slijtage van de katrol groter is dan 10% van de oorspronkelijke afmetingen of de goede werking van de staalkabel be\u00efnvloedt.<\/li>\n<li><strong>Scheuren<\/strong>: De aanwezigheid van scheuren, vooral in kritieke gebieden zoals de groef of flens.<\/li>\n<li><strong>Vervorming<\/strong>: Merkbare vervorming, zoals in de groef of flens, die de normale werking be\u00efnvloedt.<\/li>\n<li><strong>Vermoeiingsbreuk<\/strong>: Het optreden van vermoeidheidsbreuken in enig deel van de poelie.<\/li>\n<li><strong>Corrosie<\/strong>: Roest die groter is dan 5% van de oorspronkelijke afmetingen.<\/li>\n<li><strong>Losheid<\/strong>: Losse of beschadigde lagers.<\/li>\n<\/ul>\n<p>De dwarsdoorsnede en grootte van de <strong>groeven in de katrol van de bovenloopkraan<\/strong> de betrouwbaarheid en de levensduur van de staalkabel aanzienlijk be\u00efnvloeden. De wanden van de groeven moeten glad zijn om te voorkomen dat de kabel verstrikt raakt en om een veilige werking te garanderen.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-4661\" src=\"https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/2c3298f754c74475b02a6f73bb33df8-300x140.png\" alt=\"Bovenloopkatrol\" width=\"1104\" height=\"515\" srcset=\"https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/2c3298f754c74475b02a6f73bb33df8-300x140.png 300w, https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/2c3298f754c74475b02a6f73bb33df8-1024x479.png 1024w, https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/2c3298f754c74475b02a6f73bb33df8-768x359.png 768w, https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/2c3298f754c74475b02a6f73bb33df8-600x281.png 600w\" sizes=\"(max-width: 1104px) 100vw, 1104px\" \/><\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-4688\" src=\"https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/Overhead-crane-pulley-1-1-300x96.jpg\" alt=\"\" width=\"1100\" height=\"352\" srcset=\"https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/Overhead-crane-pulley-1-1-300x96.jpg 300w, https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/Overhead-crane-pulley-1-1-1024x327.jpg 1024w, https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/Overhead-crane-pulley-1-1-768x245.jpg 768w, https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/Overhead-crane-pulley-1-1-600x192.jpg 600w, https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/Overhead-crane-pulley-1-1.jpg 1500w\" sizes=\"(max-width: 1100px) 100vw, 1100px\" \/> <img decoding=\"async\" class=\"alignnone wp-image-4689\" src=\"https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/Overhead-crane-pulley-2-1-300x82.jpg\" alt=\"\" width=\"1101\" height=\"301\" srcset=\"https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/Overhead-crane-pulley-2-1-300x82.jpg 300w, https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/Overhead-crane-pulley-2-1-1024x279.jpg 1024w, https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/Overhead-crane-pulley-2-1-768x209.jpg 768w, https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/Overhead-crane-pulley-2-1-600x163.jpg 600w\" sizes=\"(max-width: 1101px) 100vw, 1101px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4690\" style=\"font-family: var(--global-body-font-family);\" src=\"https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/Overhead-crane-pulley-3-1-300x86.jpg\" alt=\"\" width=\"1102\" height=\"316\" srcset=\"https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/Overhead-crane-pulley-3-1-300x86.jpg 300w, https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/Overhead-crane-pulley-3-1-1024x294.jpg 1024w, https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/Overhead-crane-pulley-3-1-768x220.jpg 768w, https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/Overhead-crane-pulley-3-1-600x172.jpg 600w, https:\/\/www.hnhlcrane.com\/wp-content\/uploads\/2024\/10\/Overhead-crane-pulley-3-1.jpg 1500w\" sizes=\"(max-width: 1102px) 100vw, 1102px\" \/><span style=\"font-family: var(--global-body-font-family);\">\u00a0<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p><strong>Parameters van de katrol van de luchtkraan:<\/strong><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\"><strong>Specificaties<\/strong>: \u03a6250, \u03a6400, \u03a6500, \u03a6610, \u03a6710, \u03a6800, \u03a6900, \u03a61000, \u03a61200<\/span><\/li>\n<li><span style=\"font-size: 12pt;\"><strong>Katrolmateriaal<\/strong>: HT20-40, ZG35, Q235B, Q355B<\/span><\/li>\n<li><span style=\"font-size: 12pt;\"><strong>Productieproces<\/strong>: Gietijzer, gietstaal, gewalste staalplaat<\/span><\/li>\n<li><span style=\"font-size: 12pt;\"><strong>Pulley Groefgrootte<\/strong>: Bepaald aan de hand van de kabeldiameter<\/span><\/li>\n<li><span style=\"font-size: 12pt;\"><strong>Niet-standaard maatwerk<\/strong>: Wij kunnen volgens tekeningen vervaardigen die door u worden verstrekt<\/span><\/li>\n<\/ul>","protected":false},"featured_media":4640,"template":"","meta":{"_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"show","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"product_brand":[1480],"product_cat":[46],"product_tag":[671,672,668,676,92,654,786,89,643,90,639,787,793,664,645,93,658,663,673,677,790,665,674,666,788,642,71,792,641,667,655,675,659,646,670,789,91,684,650,651,648,683,653,680,678,681,685,682,687,686,679,74,657,656,652,649,644,647,669,660,791,662,661,640],"class_list":{"0":"post-4638","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-hl-crane","7":"product_cat-crane_hook","8":"product_tag-aluminum-pulley","9":"product_tag-brass-pulley","10":"product_tag-cast-iron-pulley","11":"product_tag-coated-pulley","12":"product_tag-crane-hook","13":"product_tag-crane-hook-pulley","14":"product_tag-crane-parts-manufacturer","15":"product_tag-crane-pulley","16":"product_tag-crane-pulley-block","17":"product_tag-crane-pulley-supplier","18":"product_tag-crane-sheave","19":"product_tag-crane-spare-parts-supplier","20":"product_tag-custom-crane-parts-fabrication","21":"product_tag-deep-groove-pulley","22":"product_tag-double-sheave-pulley","23":"product_tag-european-hook-pulley","24":"product_tag-fixed-pulley","25":"product_tag-flat-groove-pulley","26":"product_tag-forged-pulley","27":"product_tag-galvanized-pulley","28":"product_tag-gantry-crane-spare-parts","29":"product_tag-grooveless-pulley","30":"product_tag-heat-treated-pulley","31":"product_tag-heavy-duty-pulley","32":"product_tag-hoist-components-provider","33":"product_tag-hoisting-pulley","34":"product_tag-hook-pulley","35":"product_tag-industrial-crane-parts-exporter","36":"product_tag-lifting-pulley","37":"product_tag-light-duty-pulley","38":"product_tag-load-bearing-pulley","39":"product_tag-machined-pulley","40":"product_tag-movable-pulley","41":"product_tag-multiple-sheave-pulley","42":"product_tag-nylon-pulley","43":"product_tag-overhead-crane-parts-distributor","44":"product_tag-overhead-crane-pulley","45":"product_tag-pulley-alignment","46":"product_tag-pulley-axle","47":"product_tag-pulley-bearing","48":"product_tag-pulley-block-assembly","49":"product_tag-pulley-deformation","50":"product_tag-pulley-frame","51":"product_tag-pulley-inspection","52":"product_tag-pulley-load-capacity","53":"product_tag-pulley-lubrication","54":"product_tag-pulley-noise-reduction","55":"product_tag-pulley-replacement","56":"product_tag-pulley-safety-factor","57":"product_tag-pulley-tension-adjustment","58":"product_tag-pulley-wear-resistance","59":"product_tag-rolled-pulley","60":"product_tag-rope-drum-pulley","61":"product_tag-rope-guide-pulley","62":"product_tag-sheave-groove","63":"product_tag-sheave-wheel","64":"product_tag-single-sheave-pulley","65":"product_tag-snatch-block","66":"product_tag-steel-pulley","67":"product_tag-swivel-pulley","68":"product_tag-tower-crane-components-supplier","69":"product_tag-u-groove-pulley","70":"product_tag-v-groove-pulley","71":"product_tag-wire-rope-pulley","73":"first","74":"instock","75":"featured","76":"shipping-taxable","77":"product-type-simple","78":"entry","79":"content-bg","80":"loop-entry"},"yoast_head":"<!-- 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