{"id":5820,"date":"2024-12-06T01:29:13","date_gmt":"2024-12-05T17:29:13","guid":{"rendered":"https:\/\/www.hnhlcrane.com\/?post_type=product&p=5820"},"modified":"2025-09-14T23:13:22","modified_gmt":"2025-09-14T15:13:22","slug":"limitador-de-sobrecarga-do-guindaste","status":"publish","type":"product","link":"https:\/\/www.hnhlcrane.com\/pt_br\/produto\/limitador-de-sobrecarga-do-guindaste\/","title":{"rendered":"Limitador de sobrecarga do guindaste"},"content":{"rendered":"
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Vis\u00e3o geral do limitador de sobrecarga de guindaste QCX<\/span><\/strong><\/h6>\n

O Limitador de sobrecarga de guindaste QCX<\/strong> \u00e9 um dos dispositivos de seguran\u00e7a mais comumente usados em pontes rolantes de duas vigas. Ele foi projetado para aumentar a seguran\u00e7a operacional ao evitar sobrecargas, protegendo, assim, o equipamento e o pessoal. Em geral, o sistema consiste em tr\u00eas componentes principais: a sensor<\/strong>, a caixa de jun\u00e7\u00e3o (caixa do amplificador)<\/strong>e um instrumento de controle<\/strong>.<\/p>\n

Principais recursos<\/span><\/strong><\/h6>\n
    \n
  1. Compatibilidade vers\u00e1til de sensores<\/strong>:\n
      \n
    • O instrumento QCX pode trabalhar com v\u00e1rios tipos de sensores e suportar fun\u00e7\u00f5es personalizadas n\u00e3o padronizadas para atender a diversos requisitos do usu\u00e1rio.<\/li>\n<\/ul>\n<\/li>\n
    • Alta precis\u00e3o<\/strong>:\n
        \n
      • Precis\u00e3o da medi\u00e7\u00e3o: \u22645% F.S.<\/strong><\/li>\n<\/ul>\n<\/li>\n
      • Mecanismos de alerta e alarme<\/strong>:\n
          \n
        • 90% Carga<\/strong>: Alerta de pr\u00e9-aviso.<\/li>\n
        • 105% Carga<\/strong>: O alarme \u00e9 ativado.<\/li>\n
        • 130% Carga<\/strong>: Controle imediato, emite um contato de rel\u00e9 para cortar o circuito do motor de eleva\u00e7\u00e3o.<\/li>\n<\/ul>\n<\/li>\n
        • Especifica\u00e7\u00f5es el\u00e9tricas robustas<\/strong>:\n
            \n
          • Capacidade do rel\u00e9: 10A, 380V<\/strong><\/li>\n
          • Fonte de alimenta\u00e7\u00e3o: AC380V ou 220V\/50Hz<\/strong><\/li>\n<\/ul>\n<\/li>\n
          • Adaptabilidade ambiental<\/strong>:\n
              \n
            • Temperatura de opera\u00e7\u00e3o: -20\u2103 a +60\u2103<\/strong><\/li>\n
            • Toler\u00e2ncia \u00e0 umidade: 90% RH<\/strong><\/li>\n<\/ul>\n<\/li>\n
            • Classifica\u00e7\u00f5es de prote\u00e7\u00e3o<\/strong>:\n
                \n
              • Sensor: IP65<\/strong><\/li>\n
              • Instrumento: IP42<\/strong><\/li>\n<\/ul>\n<\/li>\n
              • Recursos opcionais<\/strong>:\n
                  \n
                • Interface 4-20mA<\/strong>: Para uma integra\u00e7\u00e3o perfeita com sistemas externos.<\/li>\n
                • Tela grande<\/strong>: Para aumentar a visibilidade dos dados operacionais.<\/li>\n
                • Sa\u00eddas de controle adicionais<\/strong>: Para funcionalidade estendida.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
                  Principais fun\u00e7\u00f5es<\/span><\/strong><\/h6>\n
                    \n
                  • Monitoramento de carga<\/strong>: Exibe o peso das cargas levantadas em tempo real.<\/li>\n
                  • Sistema de alarme<\/strong>:\n
                      \n
                    • Avisos visuais e sonoros para condi\u00e7\u00f5es de sobrecarga.<\/li>\n
                    • Corte autom\u00e1tico do circuito do motor de eleva\u00e7\u00e3o em limites cr\u00edticos de carga.<\/li>\n<\/ul>\n<\/li>\n
                    • Seguran\u00e7a aprimorada<\/strong>: Evita danos ao equipamento e acidentes causados por sobrecarga.<\/li>\n<\/ul>\n
                      Princ\u00edpio de funcionamento<\/span><\/strong><\/h6>\n
                        \n
                      1. Medi\u00e7\u00e3o de peso<\/strong>:\n
                          \n
                        • Quando o guindaste levanta uma carga, o sensor detecta o peso.<\/li>\n
                        • O sensor converte o peso em um pequeno sinal de tens\u00e3o.<\/li>\n<\/ul>\n<\/li>\n
                        • Amplifica\u00e7\u00e3o e processamento de sinais<\/strong>:\n
                            \n
                          • O sinal \u00e9 amplificado na caixa de jun\u00e7\u00e3o e transmitido para o instrumento de controle.<\/li>\n
                          • Um conversor A\/D de alta resolu\u00e7\u00e3o converte o sinal amplificado em um formato digital.<\/li>\n<\/ul>\n<\/li>\n
                          • An\u00e1lise de dados<\/strong>:\n
                              \n
                            • O microcontrolador processa o sinal digital, calcula o peso e o compara com a capacidade nominal.<\/li>\n<\/ul>\n<\/li>\n
                            • A\u00e7\u00f5es de seguran\u00e7a<\/strong>:\n
                                \n
                              • Se o peso atingir 110%<\/strong> da capacidade nominal, o sistema emite um sinal de contato de rel\u00e9 normalmente fechado.<\/li>\n
                              • Esse sinal corta a fonte de alimenta\u00e7\u00e3o do motor de eleva\u00e7\u00e3o para impedir a continua\u00e7\u00e3o da opera\u00e7\u00e3o.<\/li>\n<\/ul>\n<\/li>\n
                              • Exibi\u00e7\u00e3o e alertas<\/strong>:\n
                                  \n
                                • O sistema exibe o peso e dispara alarmes (visuais e sonoros) para condi\u00e7\u00f5es de pr\u00e9-aviso e sobrecarga.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
                                  Aplicativos<\/span><\/strong><\/h6>\n

                                  O Limitador de sobrecarga de guindaste QCX<\/strong> \u00e9 essencial nos setores em que a seguran\u00e7a \u00e9 fundamental, incluindo:<\/p>\n

                                    \n
                                  • Metalurgia<\/strong><\/li>\n
                                  • Maquin\u00e1rio<\/strong><\/li>\n
                                  • Minera\u00e7\u00e3o<\/strong><\/li>\n
                                  • Ferrovias<\/strong><\/li>\n
                                  • Portos<\/strong><\/li>\n
                                  • Armazenamento<\/strong><\/li>\n<\/ul>\n

                                    Sua capacidade de evitar sobrecargas garante opera\u00e7\u00f5es modernizadas e seguras nesses setores.<\/p>\n

                                    Conclus\u00e3o<\/span><\/strong><\/h6>\n

                                    O Limitador de sobrecarga de guindaste QCX<\/strong> \u00e9 um mecanismo de seguran\u00e7a indispens\u00e1vel para pontes rolantes de duas vigas. Ao oferecer monitoramento preciso da carga, alarmes confi\u00e1veis e desligamentos autom\u00e1ticos do motor, ele minimiza os riscos associados \u00e0 sobrecarga e contribui significativamente para os padr\u00f5es modernos de seguran\u00e7a industrial.<\/p>\n<\/div>\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>\n
                                    \n

                                     <\/p>\n

                                    Os sensores com carca\u00e7as e bases de eixo, combinados com instrumentos do tipo QCX-M, s\u00e3o a forma mais comumente usada de limitadores de peso de eleva\u00e7\u00e3o. As dimens\u00f5es dos produtos padr\u00e3o s\u00e3o mostradas na tabela a seguir. Por exemplo, o modelo do pedido \u00e9: \u201cQCX-M-4-20t\/170-320\u201d.<\/p>\n

                                    \"\"<\/p>\n

                                    Os sensores para limitadores de grande tonelagem geralmente s\u00e3o personalizados de acordo com os desenhos do usu\u00e1rio. As dimens\u00f5es da s\u00e9rie na tabela a seguir s\u00e3o resumidas com base nos desenhos de pedidos dos principais fabricantes chineses de guindastes para refer\u00eancia quando novos usu\u00e1rios fazem pedidos ou projetam produtos fora do padr\u00e3o.<\/p>\n

                                    \"\"<\/p>\n

                                    Os sensores da s\u00e9rie HLF-3A consistem em duas partes: sensores e almofadas. Eles s\u00e3o instalados principalmente sob as duas extremidades do eixo da polia fixa do guindaste para suportar a press\u00e3o gerada pelo bloco da polia. Em geral, dois sensores s\u00e3o usados em um grupo. Eles costumam ser usados em ocasi\u00f5es com requisitos de precis\u00e3o de medi\u00e7\u00e3o relativamente altos, como balan\u00e7as eletr\u00f4nicas de guindastes.<\/p>\n

                                    \"\"<\/p>\n<\/div>\n

                                    <\/div>","protected":false},"excerpt":{"rendered":"
                                    Par\u00e2metros principais:<\/span><\/strong><\/h6>\n
                                      \n
                                    • Precis\u00e3o \u22645%F.S.<\/li>\n
                                    • Aviso 90%, alarme 105%<\/li>\n
                                    • 130% controle imediato, sa\u00edda de um conjunto de contatos de rel\u00e9<\/li>\n
                                    • Capacidade 10A, 380V<\/li>\n
                                    • Tens\u00e3o da fonte de alimenta\u00e7\u00e3o AC380V ou 220V\/50Hz<\/li>\n
                                    • Temperatura ambiente -20\uff5e+60\u2103\/90%RH<\/li>\n
                                    • Sensor de n\u00edvel de prote\u00e7\u00e3o IP65,<\/li>\n
                                    • Instrumento IP42<\/li>\n<\/ul>","protected":false},"featured_media":5821,"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":[196,198,109,315,202,200,203,201,204,175,180,211,210,100,231,237,78,82,206,207,194,195,527,73,166,317,184,209,205,282,300,293,294,121,138,94,102,99,301,284,255,136,186,92,69,179,309,213,172,160,323,72,89,522,218,214,217,137,97,288,181,341,120,526,177,124,235,111,110,525,98,239,238,229,524,84,191,299,173,174,189,192,178,106,256,96,251,258,529,151,247,159,254,259,144,125,70,108,188,169,81,523,155,149,141,193,142,319,162,76,75,71,283,161,152,521,269,307,163,190,176,208,115,320,123,147,148,316,216,140,139,145,290,74,197,122,233,187,311,185,164,257,199,153,158,154,232,289,277,95,165,146],"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-20ft-container-spreader","8":"product_tag-40ft-container-lifting-frame","9":"product_tag-active-wheel-set","10":"product_tag-aviation-plug","11":"product_tag-billet-clamps","12":"product_tag-billet-crane-clamps","13":"product_tag-billet-crane-clamps-manufacturer","14":"product_tag-billet-lifting-clamp","15":"product_tag-billet-lifting-clamps-china-supplier","16":"product_tag-brake","17":"product_tag-brakes-manufacturer","18":"product_tag-c-type-hook","19":"product_tag-c-type-spreader","20":"product_tag-cast-steel-drum","21":"product_tag-cd-md-wire-rope-electric-hoist","22":"product_tag-chain-hoist","23":"product_tag-china-crane-parts-supplier","24":"product_tag-china-standard-crane-hook","25":"product_tag-coil-c-type-hook","26":"product_tag-coil-hook","27":"product_tag-container-spreader","28":"product_tag-container-spreader-manufacturers","29":"product_tag-coupling-manufacturercardan-coupling","30":"product_tag-crane-accessories","31":"product_tag-crane-and-hoist-motor","32":"product_tag-crane-aviation-plug","33":"product_tag-crane-brake","34":"product_tag-crane-c-hook","35":"product_tag-crane-c-type-spreader","36":"product_tag-crane-cable-trolley","37":"product_tag-crane-control-cabinet","38":"product_tag-crane-control-handle","39":"product_tag-crane-controls","40":"product_tag-crane-coupling","41":"product_tag-crane-decelerators","42":"product_tag-crane-drum","43":"product_tag-crane-drum-assembly","44":"product_tag-crane-drum-manufacturer","45":"product_tag-crane-electrical-control-cabinet","46":"product_tag-crane-electrical-parts","47":"product_tag-crane-end-beam-manufacturers","48":"product_tag-crane-gearbox","49":"product_tag-crane-grab","50":"product_tag-crane-hook","51":"product_tag-crane-hooks","52":"product_tag-crane-hydraulic-disc-brake","53":"product_tag-crane-limit-switch","54":"product_tag-crane-magnets","55":"product_tag-crane-motor","56":"product_tag-crane-motors","57":"product_tag-crane-overload-limiter","58":"product_tag-crane-parts","59":"product_tag-crane-pulley","60":"product_tag-crane-pulley-suppliereuropean-hook-pulley","61":"product_tag-crane-rail-clamp","62":"product_tag-crane-rail-clips","63":"product_tag-crane-rail-fixing-device","64":"product_tag-crane-reducer","65":"product_tag-crane-reel","66":"product_tag-crane-remote-controller","67":"product_tag-crane-safety-brakes","68":"product_tag-crane-sound-and-light-alarm","69":"product_tag-crane-wheel","70":"product_tag-crane-wheels-manufacturer","71":"product_tag-disc-brakes","72":"product_tag-disc-couplings","73":"product_tag-double-girder-wire-rope-electric-hoist","74":"product_tag-driven-wheel-group","75":"product_tag-driving-wheel-set","76":"product_tag-drs-wheel-blocks","77":"product_tag-drum-processing","78":"product_tag-electric-chain-hoist-china-distributor","79":"product_tag-electric-chain-hoist-manufacturer","80":"product_tag-electric-hoist","81":"product_tag-electric-hoist-drum","82":"product_tag-electric-hoist-hook","83":"product_tag-electric-motor-grab","84":"product_tag-electrical-control-cabinet","85":"product_tag-electro-hydraulic-drum-brakes","86":"product_tag-electro-hydraulic-disc-brakes","87":"product_tag-electro-hydraulic-multi-flap-grab","88":"product_tag-electro-hydraulicclamshell-grab","89":"product_tag-electromagnetic-disk-brake","90":"product_tag-european-crane-wheel","91":"product_tag-european-style-hoist-double-beam-crane-end-beam","92":"product_tag-european-style-reel-set","93":"product_tag-european-style-single-beam-crane-end-carriage","94":"product_tag-european-style-suspended-single-beam-crane-end-beam","95":"product_tag-european-wire-rope-electric-hoisteuropean-double-beam-wire-rope-electric-hoist","96":"product_tag-f-series-three-in-one-reducer","97":"product_tag-fem-standard-crane-end-carriages","98":"product_tag-fem-standard-gear-motors","99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overload limiter -\u200cCrane Electrical Parts-Overload limiter<\/title>\n<meta name=\"description\" content=\"High-quality Crane Overload Limiter ensures safe crane operation by preventing overload. 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