{"id":90,"date":"2026-04-08T10:28:26","date_gmt":"2026-04-08T10:28:26","guid":{"rendered":"https:\/\/www.mechabro.com\/blog\/Emergency-treatment-for-concrete-pump-trucks-Failures-Part-4"},"modified":"2026-04-08T10:28:26","modified_gmt":"2026-04-08T10:28:26","slug":"emergency-treatment-for-concrete-pump-trucks-failures-part-4","status":"publish","type":"post","link":"https:\/\/www.mechabro.com\/fr\/emergency-treatment-for-concrete-pump-trucks-failures-part-4\/","title":{"rendered":"Interventions d'urgence en cas de panne des camions-pompes \u00e0 b\u00e9ton \u2013 4e partie"},"content":{"rendered":"<div class=\"text-box\">\n<h2 id=\"t1\">Dysfonctionnement du camion pompe \u00e0 b\u00e9ton :<\/h2>\n<p>Usure excentrique du piston en b\u00e9ton.<\/p>\n<h2 id=\"t2\">Ph\u00e9nom\u00e8ne et raisons :<\/h2>\n<p>1. Le piston en b\u00e9ton pr\u00e9sente une usure pr\u00e9coce et irr\u00e9guli\u00e8re, et les parties endommag\u00e9es se trouvent toutes au m\u00eame endroit ;<\/p>\n<p>2. Lors du montage, l'axe du v\u00e9rin de refoulement ne co\u00efncide pas avec celui du v\u00e9rin hydraulique principal, ce qui entra\u00eene une usure excentrique du\u00a0\u00a0<a _href=\"https:\/\/www.mechabro.com\/Truck-mounted-concrete-pump\/no-241119p619-2020-zoomlion-63m-concrete-pump-truck\" href=\"https:\/\/www.mechabro.com\/Truck-mounted-concrete-pump\/no-241119p619-2020-zoomlion-63m-concrete-pump-truck\" target=\"_blank\"><strong>piston en b\u00e9ton<\/strong><\/a>;<\/p>\n<h2 id=\"t3\">M\u00e9thodes d'\u00e9limination d'urgence :<\/h2>\n<p>En raison des contraintes li\u00e9es au site, nous ne disposons d'aucun instrument professionnel permettant de mesurer la coaxialit\u00e9 ; par cons\u00e9quent, seules des mesures d'urgence peuvent \u00eatre prises dans un premier temps.<\/p>\n<p>Installez un nouveau jeu de pistons en b\u00e9ton, puis desserrez les six \u00e9crous des tiges de traction qui fixent le cylindre de transport, et effectuez dix cycles de pompage. Serrez les \u00e9crous desserr\u00e9s selon les couples de serrage requis. La coaxialit\u00e9 et l'excentricit\u00e9 ne sont pas importantes et peuvent \u00eatre ajust\u00e9es en cons\u00e9quence. Si l'excentricit\u00e9 est importante, seuls des instruments sp\u00e9cialis\u00e9s peuvent \u00eatre utilis\u00e9s pour ajuster la coaxialit\u00e9.<\/p>\n<p>Avec une offre de services sans limite, ax\u00e9e sur les engins de chantier d'occasion de haute qualit\u00e9, et un accompagnement professionnel de ses clients \u00e0 travers le monde, Mecha Brothers se r\u00e9jouit de collaborer avec vous et de d\u00e9velopper avec vous une relation mutuellement b\u00e9n\u00e9fique.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Panne d'un camion-pompe \u00e0 b\u00e9ton : usure excentrique du piston \u00e0 b\u00e9ton.<br \/>Ph\u00e9nom\u00e8ne et causes : 1. Le piston en b\u00e9ton pr\u00e9sente une usure pr\u00e9matur\u00e9e et irr\u00e9guli\u00e8re, et les parties endommag\u00e9es se trouvent toujours au m\u00eame endroit ;<br \/>2. The delivery cylinder has a different axis from&#8230;<\/p>","protected":false},"author":2,"featured_media":10092,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rs_blank_template":"","rs_page_bg_color":"","slide_template_v7":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[17],"tags":[],"class_list":["post-90","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company-news"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Emergency Treatment For Concrete Pump Trucks Failures Part 4 - Hunan Mecha Brothers Technology Co., Ltd.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mechabro.com\/fr\/emergency-treatment-for-concrete-pump-trucks-failures-part-4\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Emergency Treatment For Concrete Pump Trucks Failures Part 4 - Hunan Mecha Brothers Technology Co., Ltd.\" \/>\n<meta property=\"og:description\" content=\"Concrete pump truck malfunction:Concrete piston eccentric wear.Phenomenon and reasons:1. 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