{"id":2373,"date":"2026-02-07T08:20:00","date_gmt":"2026-02-07T00:20:00","guid":{"rendered":"https:\/\/www.takebrakes.com\/?p=2373"},"modified":"2026-02-05T14:43:13","modified_gmt":"2026-02-05T06:43:13","slug":"how-does-electro-hydraulic-thruster-oil-leakage-or-low-oil-level-affect-crane-brake-performance","status":"publish","type":"post","link":"https:\/\/www.takebrakes.com\/fr\/how-does-electro-hydraulic-thruster-oil-leakage-or-low-oil-level-affect-crane-brake-performance\/","title":{"rendered":"Comment une fuite d'huile du v\u00e9rin \u00e9lectro-hydraulique ou un faible niveau d'huile affecte-t-il la performance du frein du pont roulant ?"},"content":{"rendered":"<p class=\"translation-block\">Sur les ponts roulants et les portiques, des v\u00e9rins \u00e9lectro-hydrauliques sont souvent utilis\u00e9s pour lib\u00e9rer les freins \u00e0 tambour (bloc) contre la force du ressort. Si le v\u00e9rin fuit de l'huile ou fonctionne avec un niveau d'huile faible, il peut ne pas g\u00e9n\u00e9rer l'effort requis ou la course compl\u00e8te, ce qui signifie que le frein peut ne pas se lib\u00e9rer compl\u00e8tement. Le r\u00e9sultat le plus courant est <strong>glissement du frein<\/strong>, provoquant une accumulation de chaleur, une usure rapide des garnitures et une r\u00e9duction de l'efficacit\u00e9 du d\u00e9placement\/levage.<\/p>    <p>Une faible quantit\u00e9 d'huile r\u00e9duit \u00e9galement la lubrification interne et acc\u00e9l\u00e8re l'usure de la pompe et du joint, aggravant ainsi le probl\u00e8me de mani\u00e8re progressive. Lors du levage, une lib\u00e9ration partielle peut provoquer des d\u00e9marrages brusques, un mouvement instable et un risque accru de balancement de la charge ; dans les m\u00e9canismes de d\u00e9placement, cela peut d\u00e9clencher des alarmes de surintensit\u00e9 VFD ou une surchauffe du moteur. Traitez la fuite comme un probl\u00e8me de s\u00e9curit\u00e9 : identifiez la source de la fuite, restaurez le niveau et la sp\u00e9cification appropri\u00e9s d'huile, v\u00e9rifiez la course et le jeu, et effectuez un test fonctionnel contr\u00f4l\u00e9 pour confirmer que le frein de la grue se lib\u00e8re et s'applique de mani\u00e8re fiable.<\/p>","protected":false},"excerpt":{"rendered":"<p>On overhead and gantry cranes, electro-hydraulic thrusters are often used to release drum (block) brakes against spring force. If the thruster leaks oil or runs at a low oil level, it may not generate the required thrust or full stroke, which means the brake may not fully release. The most common result is brake dragging, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[132,3],"tags":[133],"class_list":["post-2373","post","type-post","status-publish","format-standard","hentry","category-faq","category-blog","tag-overhead-or-gantry-crane"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/posts\/2373","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/comments?post=2373"}],"version-history":[{"count":1,"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/posts\/2373\/revisions"}],"predecessor-version":[{"id":2392,"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/posts\/2373\/revisions\/2392"}],"wp:attachment":[{"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/media?parent=2373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/categories?post=2373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/tags?post=2373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}