{"id":9256,"date":"2015-04-13T14:50:02","date_gmt":"2015-04-13T14:50:02","guid":{"rendered":"https:\/\/www.eninter.com\/ascensor-hidraulic-o-electric-coneix-les-diferencies\/"},"modified":"2025-01-08T11:40:11","modified_gmt":"2025-01-08T11:40:11","slug":"ascensor-hidraulic-o-electric-coneix-les-diferencies","status":"publish","type":"post","link":"https:\/\/www.eninter.com\/ca\/ascensor-hidraulic-o-electric-coneix-les-diferencies\/","title":{"rendered":"Ascensor hidr\u00e0ulic o el\u00e8ctric? Coneix les difer\u00e8ncies"},"content":{"rendered":"

Un ascensor<\/strong> o elevador \u00e9s un sistema de transport vertical<\/strong> creat per moure persones o b\u00e9ns entre diferents nivells. Est\u00e0 compost per parts mec\u00e0niques i electr\u00f2niques que funcionen de forma conjunta per aconseguir un mitj\u00e0 segur de mobilitat. Hi ha dos models d’ascensor<\/a> comuns, per\u00f2 moltes vegades tenim dubtes i no sabem quin \u00e9s el m\u00e9s idoni per al nostre habitatge. Ascensor hidr\u00e0ulic o el\u00e8ctric? Amb quin ens quedem? Vegem les seves principals difer\u00e8ncies.<\/p>\n

Accionament a l’ ascensor hidr\u00e0ulic i el\u00e8ctric<\/strong><\/h2>\n

En primer lloc, als ascensors hidr\u00e0ulics<\/strong> l’ accionament s’ aconsegueix a trav\u00e9s d’ una bomba acoblada a un motor el\u00e8ctric. La pujada de la cabina s’ aconsegueix mitjan\u00e7ant la injecci\u00f3 d’ oli a pressi\u00f3 a trav\u00e9s d’ un bloc de v\u00e0lvules, que permet regular la velocitat, des d’ un dip\u00f2sit fins al pist\u00f3, compost per un cilindre i un \u00e8mbol que sost\u00e9 la cabina, ja sigui en tir directe o suspensi\u00f3 diferencial. El descens s’ aconsegueix mitjan\u00e7ant l’ acci\u00f3 de la gravetat, \u00e9s el propi pes de la cabina la que retorna l’ oli al tanc, el bloc de v\u00e0lvules regula el cabal. Aix\u00ed, aquest model d’ascensor nom\u00e9s acciona el seu motor en trajectes de pujada<\/strong>.<\/p>\n

Per la seva banda, l ‘ ascensor de tracci\u00f3 el\u00e8ctrica<\/strong> compta amb un sistema en suspensi\u00f3 format per una cabina i un contrap\u00e8s que permet equilibrar el sistema, habitualment al 50% de la c\u00e0rrega nominal prevista a elevar. La tracci\u00f3 s’aconsegueix mitjan\u00e7ant l’adher\u00e8ncia dels cables sobre la politja motriu de la m\u00e0quina, que no \u00e9s m\u00e9s que un motor el\u00e8ctric<\/strong> (amb o sense reductor) i un fre electromec\u00e0nic. Ambd\u00f3s es llisquen o roden a trav\u00e9s d’ uns rails fixos verticals, anomenats guies i disposen de diversos elements de seguretat com els amortidors de fossat, paracaigudes mec\u00e0nics i limitador de velocitat.<\/p>\n

El tipus d’ accionament, \u00e9s la principal difer\u00e8ncia entre ascensors<\/strong>. Els ascensors el\u00e8ctrics nom\u00e9s precisen d’un motor el\u00e8ctric per posar-se en marxa, que \u00e9s accionat tant en pujada com en baixada, en canvi, un ascensor hidr\u00e0ulic precisa, a m\u00e9s del motor, una bomba per impulsar l’oli que nom\u00e9s \u00e9s accionada en els trajectes de pujada.<\/p>\n

Consum en ascensors hidr\u00e0ulics i el\u00e8ctrics<\/strong><\/h2>\n

Abans de l’ aparici\u00f3 dels sistemes de regulaci\u00f3 mitjan\u00e7ant variadors de freq\u00fc\u00e8ncia les principals difer\u00e8ncies entre els ascensors el\u00e8ctrics i hidr\u00e0ulics eren: el\u00e8ctrics m\u00e9s sorollosos i bruscos<\/strong> a les parades, en tant que els hidr\u00e0ulics<\/strong> eren menys sorollosos, si b\u00e9 precisaven una major pot\u00e8ncia de contractaci\u00f3.<\/strong> Avui dia, amb les aplicacions de VVVF, es han redu\u00eft les difer\u00e8ncies<\/strong>, els ascensors el\u00e8ctrics s\u00f3n tant o m\u00e9s suaus que els hidr\u00e0ulics i a aquests els podem disminuir la pot\u00e8ncia necess\u00e0ria. El consum d’un ascensor dep\u00e8n de la forma com l’utilitzem.<\/p>\n

Instal\u00b7laci\u00f3 d’ambd\u00f3s models d’ascensor<\/strong><\/h2>\n

La particularitat essencial dels ascensors hidr\u00e0ulics<\/strong> \u00e9s la seva capacitat d’ adaptaci\u00f3 a espais petits i la possibilitat de deslocalitzar la sala de m\u00e0quines, aquestes dues virtuts al costat del fet de transmetre els seus principals esfor\u00e7os al fossat els va fer ser la primera opci\u00f3 de muntatge fa 10 anys. L’aparici\u00f3 dels ascensors el\u00e8ctrics sense sala de m\u00e0quines<\/strong> i cada vegada m\u00e9s optimitzats quant a espai i consums ha tornat a relegar a la tracci\u00f3 hidr\u00e0ulica a un segon lloc.<\/p>\n

Em quedo amb un ascensor hidr\u00e0ulic o un d’el\u00e8ctric?<\/strong><\/h2>\n

Totes dues s\u00f3n solucions v\u00e0lides, l’ important \u00e9s tenir clar les caracter\u00edstiques que necessitem quant a: velocitat, c\u00e0rrega a elevar, superf\u00edcie de cabina, l’ \u00fas que en necessitem i les caracter\u00edstiques espec\u00edfiques de cada edifici.<\/p>\n","protected":false},"excerpt":{"rendered":"

Un ascensor o elevador \u00e9s un sistema de transport vertical creat per moure persones o b\u00e9ns entre diferents nivells. Est\u00e0 compost per parts mec\u00e0niques i electr\u00f2niques que funcionen de forma conjunta per aconseguir un mitj\u00e0 segur de mobilitat. Hi ha dos models d’ascensor comuns, per\u00f2 moltes vegades tenim dubtes i no sabem quin \u00e9s el […]<\/p>\n","protected":false},"author":3,"featured_media":8043,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[221],"tags":[],"class_list":["post-9256","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ascensors"],"acf":[],"_yoast_wpseo_focuskw":"ascensor hidr\u00e0ulic o el\u00e8ctric","_yoast_wpseo_metadesc":"Coneix les principals difer\u00e8ncies entre un ascensor el\u00e8ctric i un ascensor hidr\u00e0ulic. 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