{"id":5820,"date":"2024-12-06T01:29:13","date_gmt":"2024-12-05T17:29:13","guid":{"rendered":"https:\/\/www.hnhlcranes.com\/?post_type=product&#038;p=5820"},"modified":"2025-01-16T16:14:10","modified_gmt":"2025-01-16T08:14:10","slug":"limitador-de-sobrecarga-da-grua","status":"publish","type":"product","link":"https:\/\/www.hnhlcranes.com\/pt\/produto\/limitador-de-sobrecarga-da-grua\/","title":{"rendered":"Limitador de sobrecarga da grua"},"content":{"rendered":"<div class=\"flex-1 overflow-hidden\">\n<div class=\"h-full\">\n<div class=\"react-scroll-to-bottom--css-fbdqh-79elbk h-full\">\n<div class=\"react-scroll-to-bottom--css-fbdqh-1n7m0yu\">\n<div class=\"flex flex-col text-sm md:pb-9\">\n<article class=\"w-full scroll-mb-[var(--thread-trailing-height,150px)] text-token-text-primary focus-visible:outline-2 focus-visible:outline-offset-[-4px]\" dir=\"auto\" data-testid=\"conversation-turn-17\" data-scroll-anchor=\"true\">\n<div class=\"m-auto text-base py-[18px] px-3 md:px-4 w-full md:px-5 lg:px-4 xl:px-5\">\n<div class=\"mx-auto flex flex-1 gap-4 text-base md:gap-5 lg:gap-6 md:max-w-3xl lg:max-w-[40rem] xl:max-w-[48rem]\">\n<div class=\"group\/conversation-turn relative flex w-full min-w-0 flex-col agent-turn\">\n<div class=\"flex-col gap-1 md:gap-3\">\n<div class=\"flex max-w-full flex-col flex-grow\">\n<div class=\"min-h-8 text-message flex w-full flex-col items-end gap-2 whitespace-normal break-words text-start [.text-message+&amp;]:mt-5\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"6538a722-2ad3-40cd-9770-c47786dcb06e\" data-message-model-slug=\"gpt-4o\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\">\n<div class=\"markdown prose w-full break-words dark:prose-invert light\">\n<div class=\"flex max-w-full flex-col flex-grow\">\n<div class=\"min-h-8 text-message flex w-full flex-col items-end gap-2 whitespace-normal break-words text-start [.text-message+&amp;]:mt-5\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"4161658d-c029-4f43-843c-307ecec1274a\" data-message-model-slug=\"gpt-4o\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\">\n<div class=\"markdown prose w-full break-words dark:prose-invert light\">\n<h3><strong>Adequa\u00e7\u00e3o ambiental <\/strong>do limitador de sobrecarga da grua<\/h3>\n<ol>\n<li><strong>Ambientes de alta e baixa temperatura:<\/strong>\n<ul>\n<li>Os limitadores de sobrecarga da Crane s\u00e3o capazes de funcionar de forma fi\u00e1vel numa vasta gama de temperaturas, tipicamente de -40\u00b0C a +85\u00b0C, tornando-os adequados tanto para condi\u00e7\u00f5es de alta como de baixa temperatura.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Ambientes h\u00famidos e imperme\u00e1veis:<\/strong>\n<ul>\n<li>Estes limitadores t\u00eam normalmente uma classifica\u00e7\u00e3o de prote\u00e7\u00e3o IP65 ou superior, impedindo a entrada de \u00e1gua e poeira no dispositivo. Isto torna-os ideais para utiliza\u00e7\u00e3o em condi\u00e7\u00f5es climat\u00e9ricas h\u00famidas, poeirentas ou adversas.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3><strong>Fun\u00e7\u00f5es principais <\/strong>do limitador de sobrecarga da grua<\/h3>\n<ol>\n<li><strong>Monitoriza\u00e7\u00e3o da carga e preven\u00e7\u00e3o da sobrecarga:<\/strong>\n<ul>\n<li>O limitador de sobrecarga monitoriza continuamente a carga no gancho e compara-a com a capacidade nominal da grua. Se a carga exceder o limite de seguran\u00e7a, o sistema restringe automaticamente outras opera\u00e7\u00f5es de eleva\u00e7\u00e3o.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Alarme autom\u00e1tico:<\/strong>\n<ul>\n<li>Quando a carga se aproxima ou excede o limiar de seguran\u00e7a, o sistema acciona um alarme, incluindo sinais sonoros e visuais, alertando o operador para tomar medidas corretivas e evitar mais sobrecargas.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Prote\u00e7\u00e3o operacional:<\/strong>\n<ul>\n<li>O limitador de sobrecarga pode interagir com o sistema de controlo da grua para reduzir automaticamente a velocidade de eleva\u00e7\u00e3o ou parar completamente outras opera\u00e7\u00f5es de eleva\u00e7\u00e3o, evitando danos no equipamento ou riscos de seguran\u00e7a causados pela sobrecarga.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Armazenamento e an\u00e1lise de dados:<\/strong>\n<ul>\n<li>O limitador est\u00e1 normalmente equipado com capacidades de armazenamento de dados, permitindo-lhe registar dados hist\u00f3ricos de carga, informa\u00e7\u00f5es de alarme e outros detalhes operacionais. Isto ajuda na an\u00e1lise p\u00f3s-opera\u00e7\u00e3o, diagn\u00f3stico e manuten\u00e7\u00e3o. Alguns modelos tamb\u00e9m suportam a monitoriza\u00e7\u00e3o remota e o descarregamento de dados.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Controlo remoto e alertas:<\/strong>\n<ul>\n<li>Alguns modelos oferecem fun\u00e7\u00f5es de monitoriza\u00e7\u00e3o e controlo remotos, permitindo que os operadores ou gestores visualizem dados de carga e informa\u00e7\u00f5es de alarme \u00e0 dist\u00e2ncia, melhorando a seguran\u00e7a geral durante as opera\u00e7\u00f5es da grua.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3><strong>Princ\u00edpio de funcionamento<\/strong><\/h3>\n<ol>\n<li><strong>Medi\u00e7\u00e3o de carga:<\/strong>\n<ul>\n<li>O limitador de sobrecarga da grua utiliza sensores, tais como sensores de press\u00e3o, sensores de tens\u00e3o ou sensores de deslocamento, para medir a carga no gancho em tempo real. Os sensores enviam estes dados para o sistema de controlo para processamento.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Processamento e compara\u00e7\u00e3o de dados:<\/strong>\n<ul>\n<li>Assim que o sistema de controlo recebe os dados do sensor, compara a carga atual com o limite de seguran\u00e7a predefinido. Se a carga exceder o limite, o sistema dispara imediatamente o alarme e ativa o mecanismo de prote\u00e7\u00e3o.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Mecanismo de alarme e prote\u00e7\u00e3o:<\/strong>\n<ul>\n<li>Quando a carga excede o limite de seguran\u00e7a, o sistema ativa o alarme sonoro e visual para avisar o operador. Simultaneamente, toma automaticamente medidas como a redu\u00e7\u00e3o da velocidade de eleva\u00e7\u00e3o ou a suspens\u00e3o da eleva\u00e7\u00e3o para evitar danos no equipamento ou incidentes de seguran\u00e7a.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Monitoriza\u00e7\u00e3o e registo em tempo real:<\/strong>\n<ul>\n<li>O limitador de sobrecarga apresenta dados de carga em tempo real num ecr\u00e3 e regista dados hist\u00f3ricos para an\u00e1lise posterior. Alguns modelos avan\u00e7ados podem transmitir dados remotamente para um centro de monitoriza\u00e7\u00e3o, permitindo a observa\u00e7\u00e3o cont\u00ednua pelo operador ou pela equipa de gest\u00e3o.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Ajustamento e otimiza\u00e7\u00e3o:<\/strong>\n<ul>\n<li>Alguns limitadores de sobrecarga topo de gama possuem capacidades de ajuste inteligente. Ajustam automaticamente o limite de carga com base na altera\u00e7\u00e3o das condi\u00e7\u00f5es de trabalho, assegurando que a grua funciona sempre dentro do intervalo de seguran\u00e7a.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h6><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 18pt;\">Conclus\u00e3o<\/span><\/strong><\/h6>\n<p>O <strong>Limitador de sobrecarga para gruas QCX<\/strong> \u00e9 um mecanismo de seguran\u00e7a indispens\u00e1vel para pontes rolantes de duas vigas. Ao oferecer uma monitoriza\u00e7\u00e3o precisa da carga, alarmes fi\u00e1veis e cortes autom\u00e1ticos do motor, minimiza os riscos associados \u00e0 sobrecarga e contribui significativamente para as normas modernas de seguran\u00e7a industrial.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div><span style=\"font-family: var(--global-body-font-family);\">Os sensores com caixas e bases de eixo, combinados com instrumentos do tipo QCX-M, s\u00e3o a forma mais comum de limitadores de peso de eleva\u00e7\u00e3o. As dimens\u00f5es dos produtos standard s\u00e3o apresentadas na tabela seguinte. Por exemplo, o modelo de encomenda \u00e9: \u201cQCX-M-4-20t\/170-320\u201d.<\/span><\/div>\n<div><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-7540\" src=\"https:\/\/www.hnhlcranes.com\/wp-content\/uploads\/2024\/12\/Crane-overload-limiter-7-300x188.jpg\" alt=\"\" width=\"962\" height=\"603\" srcset=\"https:\/\/www.hnhlcranes.com\/wp-content\/uploads\/2024\/12\/Crane-overload-limiter-7-300x188.jpg 300w, https:\/\/www.hnhlcranes.com\/wp-content\/uploads\/2024\/12\/Crane-overload-limiter-7-768x482.jpg 768w, https:\/\/www.hnhlcranes.com\/wp-content\/uploads\/2024\/12\/Crane-overload-limiter-7-600x377.jpg 600w, https:\/\/www.hnhlcranes.com\/wp-content\/uploads\/2024\/12\/Crane-overload-limiter-7.jpg 1000w\" sizes=\"(max-width: 962px) 100vw, 962px\" \/><\/div>\n<div>\n<p>&nbsp;<\/p>\n<p>Os sensores para limitadores de grande tonelagem s\u00e3o geralmente personalizados de acordo com os desenhos do utilizador. As dimens\u00f5es da s\u00e9rie na tabela seguinte s\u00e3o resumidas com base nos desenhos de encomenda dos principais fabricantes de gruas chineses para refer\u00eancia quando novos utilizadores encomendam ou concebem produtos n\u00e3o normalizados.<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-7541\" src=\"https:\/\/www.hnhlcranes.com\/wp-content\/uploads\/2024\/12\/Crane-overload-limiter-8-300x206.jpg\" alt=\"\" width=\"990\" height=\"680\" srcset=\"https:\/\/www.hnhlcranes.com\/wp-content\/uploads\/2024\/12\/Crane-overload-limiter-8-300x206.jpg 300w, https:\/\/www.hnhlcranes.com\/wp-content\/uploads\/2024\/12\/Crane-overload-limiter-8-768x528.jpg 768w, https:\/\/www.hnhlcranes.com\/wp-content\/uploads\/2024\/12\/Crane-overload-limiter-8-600x413.jpg 600w, https:\/\/www.hnhlcranes.com\/wp-content\/uploads\/2024\/12\/Crane-overload-limiter-8.jpg 1000w\" sizes=\"(max-width: 990px) 100vw, 990px\" \/><\/p>\n<p>Os sensores da s\u00e9rie HLF-3A s\u00e3o compostos por duas partes: sensores e almofadas. S\u00e3o instalados principalmente sob as duas extremidades do eixo da polia fixa da grua para suportar a press\u00e3o gerada pelo bloco da polia. Geralmente, s\u00e3o utilizados dois sensores num grupo. S\u00e3o frequentemente utilizados em ocasi\u00f5es com requisitos de precis\u00e3o de medi\u00e7\u00e3o relativamente elevados, tais como balan\u00e7as electr\u00f3nicas de gruas.<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<div><img decoding=\"async\" class=\"alignnone wp-image-7542\" src=\"https:\/\/www.hnhlcranes.com\/wp-content\/uploads\/2024\/12\/Crane-overload-limiter-HLF-300x187.jpg\" alt=\"\" width=\"977\" height=\"609\" srcset=\"https:\/\/www.hnhlcranes.com\/wp-content\/uploads\/2024\/12\/Crane-overload-limiter-HLF-300x187.jpg 300w, https:\/\/www.hnhlcranes.com\/wp-content\/uploads\/2024\/12\/Crane-overload-limiter-HLF-768x479.jpg 768w, https:\/\/www.hnhlcranes.com\/wp-content\/uploads\/2024\/12\/Crane-overload-limiter-HLF-600x374.jpg 600w, https:\/\/www.hnhlcranes.com\/wp-content\/uploads\/2024\/12\/Crane-overload-limiter-HLF.jpg 1000w\" sizes=\"(max-width: 977px) 100vw, 977px\" \/><\/div>","protected":false},"excerpt":{"rendered":"<h6><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Par\u00e2metros principais:<\/span><\/strong><\/h6>\n<ul>\n<li>Precis\u00e3o \u22645%F.S.<\/li>\n<li>90% aviso, 105% alarme<\/li>\n<li>130% controlo imediato, sa\u00edda de um conjunto de contactos de rel\u00e9<\/li>\n<li>Capacidade 10A, 380V<\/li>\n<li>Tens\u00e3o de alimenta\u00e7\u00e3o AC380V ou 220V\/50Hz<\/li>\n<li>Temperatura ambiente -20\uff5e+60\u2103\/90%RH<\/li>\n<li>Sensor de n\u00edvel de prote\u00e7\u00e3o IP65,<\/li>\n<li>Instrumento IP42<\/li>\n<\/ul>","protected":false},"featured_media":7543,"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":[],"product_cat":[65],"product_tag":[632,622,376,634,612,616,626,627,629,613,617,620,615,614,618,628,619,621,623,630,635,633,625,631,624],"class_list":{"0":"post-5820","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-crane-electrical-parts","7":"product_tag-aviation-plug","8":"product_tag-cable-trolley","9":"product_tag-china-crane-parts-supplier","10":"product_tag-crane-aviation-plug","11":"product_tag-crane-cable-trolley","12":"product_tag-crane-control-cabinet","13":"product_tag-crane-control-handle","14":"product_tag-crane-controls","15":"product_tag-crane-electrical-control-cabinet","16":"product_tag-crane-electrical-part","17":"product_tag-crane-limit-switch","18":"product_tag-crane-overload-limiter","19":"product_tag-crane-pendant-controller","20":"product_tag-crane-remote-controller","21":"product_tag-crane-sound-and-light-alarm","22":"product_tag-electrical-control-cabinet","23":"product_tag-heavy-duty-aviation-connector","24":"product_tag-i-beam-cable-trolley","25":"product_tag-i-beam-cable-trolley-supplier","26":"product_tag-limit-switch","27":"product_tag-overload-limiter","28":"product_tag-quick-connector","29":"product_tag-remote-controller","30":"product_tag-sound-and-light-alarm","31":"product_tag-wireless-remote-control","33":"first","34":"instock","35":"shipping-taxable","36":"product-type-simple","37":"entry","38":"content-bg","39":"loop-entry"},"yoast_head":"<!-- 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