{"id":4638,"date":"2024-10-31T23:35:21","date_gmt":"2024-10-31T15:35:21","guid":{"rendered":"https:\/\/www.hnhlcranes.com\/?post_type=product&p=4638"},"modified":"2025-01-06T00:09:12","modified_gmt":"2025-01-05T16:09:12","slug":"bloco-da-polia-da-grua","status":"publish","type":"product","link":"https:\/\/www.hnhlcranes.com\/pt\/produto\/bloco-da-polia-da-grua\/","title":{"rendered":"Bloco de polias da grua"},"content":{"rendered":"

A Bloco de polia de guindaste<\/strong> \u00e9 um componente crucial nos sistemas de gruas, utilizado principalmente para mudar a dire\u00e7\u00e3o da for\u00e7a, levantar objectos pesados e ajudar a ajustar a tens\u00e3o de cordas ou cabos de a\u00e7o. \u00c9 uma parte essencial da grua, normalmente constitu\u00edda por uma polia, um rolamento, uma caixa, um cabo e dispositivos de fixa\u00e7\u00e3o. O bloco de roldanas \u00e9 concebido para suportar condi\u00e7\u00f5es de carga elevada, capaz de suportar pesos pesados, assegurando simultaneamente a estabilidade e a seguran\u00e7a durante o funcionamento.<\/p>\n

Componentes principais:<\/h3>\n
    \n
  1. Polia<\/strong>: Este \u00e9 o componente central, que guia o cabo de a\u00e7o e permite a sua passagem, transmitindo a energia.<\/li>\n
  2. Rolamento<\/strong>: Ajuda a polia a rodar suavemente, reduzindo a fric\u00e7\u00e3o e melhorando a efici\u00eancia operacional.<\/li>\n
  3. Habita\u00e7\u00e3o<\/strong>: Protege, evitando danos na polia e noutros componentes internos.<\/li>\n
  4. Corda ou cabo de a\u00e7o<\/strong>: Transporta a carga e trabalha em conjunto com o bloco de roldanas.<\/li>\n
  5. Dispositivos de fixa\u00e7\u00e3o<\/strong>: S\u00e3o utilizados para fixar o bloco de roldanas \u00e0 estrutura da grua, assegurando a sua estabilidade.<\/li>\n<\/ol>\n

    Princ\u00edpio de funcionamento:<\/h3>\n

    O bloco de roldanas da grua funciona guiando o cabo de a\u00e7o \u00e0 volta da roldana, alterando a dire\u00e7\u00e3o da for\u00e7a ou aumentando a capacidade de eleva\u00e7\u00e3o da grua. A conce\u00e7\u00e3o de um bloco de polias m\u00faltiplas pode aumentar a efici\u00eancia operacional alterando o m\u00e9todo de transmiss\u00e3o de for\u00e7a.<\/p>\n

    Tipos:<\/h3>\n
      \n
    • Bloco de polia simples<\/strong>: \u00c9 utilizado para tarefas de eleva\u00e7\u00e3o mais ligeiras.<\/li>\n
    • Bloco de polias compostas (bloco de polias m\u00faltiplas)<\/strong>: Utiliza polias m\u00faltiplas para suportar cargas mais pesadas.<\/li>\n
    • Combina\u00e7\u00e3o de polias fixas e m\u00f3veis<\/strong>: Esta configura\u00e7\u00e3o combina as vantagens da mudan\u00e7a de dire\u00e7\u00e3o da for\u00e7a e da vantagem mec\u00e2nica.<\/li>\n<\/ul>\n

      Aplica\u00e7\u00f5es:<\/h3>\n
        \n
      • Ind\u00fastria da constru\u00e7\u00e3o<\/strong>: Utilizado para a eleva\u00e7\u00e3o a grande altitude ou para a movimenta\u00e7\u00e3o de materiais pesados.<\/li>\n
      • Ind\u00fastria portu\u00e1ria e mar\u00edtima<\/strong>: Utilizado para carregar e descarregar contentores ou outros objectos pesados.<\/li>\n
      • Explora\u00e7\u00e3o mineira e extra\u00e7\u00e3o de petr\u00f3leo<\/strong>: Utilizado para levantar equipamentos e materiais pesados.<\/li>\n<\/ul>\n

        Ao utilizar designs precisos, o bloco de roldanas n\u00e3o s\u00f3 aumenta a capacidade de eleva\u00e7\u00e3o das gruas, como tamb\u00e9m reduz o desgaste e a perda de energia durante as opera\u00e7\u00f5es, melhorando, em \u00faltima an\u00e1lise, a efici\u00eancia e a seguran\u00e7a do trabalho.<\/p>\n

        \"\" \"\" \"\" \"\"\u00a0<\/span><\/p>","protected":false},"excerpt":{"rendered":"

        Par\u00e2metros do bloco de polias da grua:<\/strong><\/p>\n

          \n
        • Especifica\u00e7\u00f5es<\/strong>: \u03a6250, \u03a6400, \u03a6500, \u03a6610, \u03a6710, \u03a6800, \u03a6900, \u03a61000, \u03a61200<\/span><\/li>\n
        • Material da polia<\/strong>: HT20-40, ZG35, Q235B, Q355B<\/span><\/li>\n
        • Processo de fabrico<\/strong>: Ferro fundido, a\u00e7o fundido, chapa de a\u00e7o laminada<\/span><\/li>\n
        • Tamanho da ranhura da polia<\/strong>: Determinado em fun\u00e7\u00e3o do di\u00e2metro do cabo de a\u00e7o<\/span><\/li>\n
        • Personaliza\u00e7\u00e3o fora do padr\u00e3o<\/strong>: Podemos fabricar de acordo com os desenhos fornecidos por si<\/span><\/li>\n<\/ul>","protected":false},"featured_media":6841,"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":[46],"product_tag":[400,376,408,374,401,402,422,412,421,416,409,420,417,410,405,418,404,406,413,407,419,411,415,403,414],"class_list":{"0":"post-4638","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-crane_hooks","7":"product_tag-bridge-crane-hook","8":"product_tag-china-crane-parts-supplier","9":"product_tag-china-standard-crane-hooks","10":"product_tag-crane-accessories","11":"product_tag-crane-hook","12":"product_tag-crane-hook-assembly","13":"product_tag-crane-hooks","14":"product_tag-crane-pulley","15":"product_tag-crane-pulley-block","16":"product_tag-crane-pulley-supplier","17":"product_tag-electric-hoist-hooks","18":"product_tag-european-crane-hook","19":"product_tag-european-hook-pulley","20":"product_tag-fem-standard-crane-hooks","21":"product_tag-forged-hooks","22":"product_tag-gantry-crane-hook-pulley","23":"product_tag-gantry-crane-hooks","24":"product_tag-hook-processing","25":"product_tag-hook-pulleys","26":"product_tag-hooks-manufacturer","27":"product_tag-overhead-crane-hook","28":"product_tag-overhead-crane-pulley","29":"product_tag-rolled-pulley","30":"product_tag-types-of-crane-hooks","31":"product_tag-wire-rope-pulley","33":"first","34":"instock","35":"featured","36":"shipping-taxable","37":"product-type-simple","38":"entry","39":"content-bg","40":"loop-entry"},"yoast_head":"\nCrane pulley block - Overhead crane pulley-Rolled pulley-Crane Parts Manufacturer<\/title>\n<meta name=\"description\" content=\"Crane pulley,Hook pulley, Overhead crane pulley,Rolled pulley,Crane Pulley Supplier,European hook pulley,Gantry crane hook pulley,Crane pulley block\" \/>\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.hnhlcranes.com\/pt\/produto\/bloco-da-polia-da-grua\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Crane pulley block - Overhead crane pulley-Rolled pulley-Crane Parts Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Crane pulley,Hook pulley, Overhead crane pulley,Rolled pulley,Crane Pulley Supplier,European hook pulley,Gantry crane hook pulley,Crane pulley block\" \/>\n<meta property=\"og:url\" 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