{"id":16175,"date":"2026-09-21T03:05:08","date_gmt":"2026-09-21T03:05:08","guid":{"rendered":"https:\/\/www.hndfcrane.com\/?post_type=posts&#038;p=16175"},"modified":"2026-09-21T03:30:07","modified_gmt":"2026-09-21T03:30:07","slug":"overhead-crane-couplings-types-and-safety-requirements","status":"publish","type":"posts","link":"https:\/\/www.hndfcrane.com\/ms\/posts\/overhead-crane-couplings-types-and-safety-requirements\/","title":{"rendered":"Gandingan Kren Atas: Jenis Biasa dan Keperluan Keselamatan"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>Jadual Kandungan<\/p><nav><ul><li><a href=\"#overhead-crane-coupling-types-and-structure\">Jenis dan Struktur Gandingan Kren Atas<\/a><ul><li><a href=\"#overhead-crane-gear-coupling\">Overhead Crane Gear Coupling<\/a><\/li><li><a href=\"#overhead-crane-elastomeric-couplings\">Overhead Crane Elastomeric Couplings<\/a><\/li><li><a href=\"#overhead-crane-universal-coupling\">Overhead Crane Universal Coupling<\/a><\/li><\/ul><\/li><li><a href=\"#overhead-crane-coupling-safety-requirements\">Keperluan Keselamatan Gandingan Kren Atas<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p><a href=\"https:\/\/www.hndfcrane.com\/ms\/couplings-for-overhead-crane\/\">Overhead crane couplings<\/a> are mechanical components used to connect shafts. In cranes, they transmit torque from the motor through the gearbox and coupling to the low-speed shaft, enabling lifting and lowering of loads, trolley travel, and crane travel. Common types include gear couplings, plum-blossom elastic couplings, and universal couplings, with the gear coupling being the most widely used on cranes.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Overhead-Crane-Coupling-Types-and-Safety-Requirements.png\" alt=\"\" class=\"wp-image-16186\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"overhead-crane-coupling-types-and-structure\">Jenis dan Struktur Gandingan Kren Atas<\/h2>\n\n\n\n<p>Gandingan setiap mekanisme kren biasanya menggunakan gandingan gear, dan ada yang menggunakan gandingan elastik bunga plum atau gandingan universal. Kesemua gandingan ini mempunyai operasi yang andal, kapasiti penghantaran yang kuat, dan anjakan yang dibenarkan yang besar. Sambungan antara gandingan dan aci silinder menggunakan padanan gangguan berkunci.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"overhead-crane-gear-coupling\">Overhead Crane Gear Coupling<\/h3>\n\n\n\n<p>Gandingan gear mempunyai kelebihan saiz kecil, jangka hayat yang panjang, ofset yang dibenarkan besar antara dua aci yang disambungkan, keperluan ketepatan pemasangan yang rendah, dan operasi yang boleh dipercayai. Kelemahannya ialah berat yang berat dan pembuatan yang kompleks.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1248\" height=\"832\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/overhead-crane-coupling.png\" alt=\"\" class=\"wp-image-16179\"\/><\/figure>\n\n\n\n<p>Gandingan gear menghantar tork melalui gigi dalaman dan luaran, dan mengimbangi anjakan melalui jarak gigi. Anjakan sudut yang dibenarkan bagi gigi biasa pada amnya 0\u00b030\u2032, dan gigi bermahkota pada amnya 1\u00b030\u2032.<\/p>\n\n\n\n<p>According to the application, gear couplings are divided into the CL type and the CLZ type, as shown in the figure.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1392\" height=\"704\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/CL-and-CLZ-type-gear-coupling.png\" alt=\"\" class=\"wp-image-16180\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1648\" height=\"592\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Gear-coupling-1.png\" alt=\"\" class=\"wp-image-16181\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Gear-coupling-1.png 1648w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Gear-coupling-1-1536x552.png 1536w\" sizes=\"(max-width: 1648px) 100vw, 1648px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"overhead-crane-elastomeric-couplings\">Overhead Crane Elastomeric Couplings<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"939\" height=\"500\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Crane-Jaw-Coupling.png\" alt=\"\" class=\"wp-image-16193\"\/><\/figure>\n\n\n\n<p>In a crane elastomeric coupling, a plum-blossom-shaped elastic element is inserted between the protruding teeth of the two half couplings to provide cushioning and compensate for displacement. The allowable angular displacement is 0.35\u00b0\u20131\u00b0 (depending on the model).<\/p>\n\n\n\n<p>Secara amnya, elemen elastik bunga plum digantikan setiap 3\u20136 bulan. Jika tiada bunyi bising yang tidak normal semasa operasi dan elemen elastik tidak haus atau koyak yang menjejaskan penggunaan, ia boleh terus digunakan.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"804\" height=\"342\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/coupling-diagram-english.png\" alt=\"\" class=\"wp-image-16182\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"overhead-crane-universal-coupling\">Overhead Crane Universal Coupling<\/h3>\n\n\n\n<p>Jika diperlukan, atau apabila anjakan sudutnya besar, gandingan universal boleh digunakan. Anjakan sudut maksimum yang dibenarkan bagi gandingan universal aci silang boleh mencapai lebih daripada 10\u00b0. Galas gandingan dilincirkan dengan gris berasaskan litium. Bolt diketatkan kepada tork prabeban yang ditentukan, dan keketatannya hendaklah diperiksa dengan kerap.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"562\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/universal-coupling-1.png\" alt=\"\" class=\"wp-image-16184\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"780\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Universal-coupling.png\" alt=\"\" class=\"wp-image-16062\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Universal-coupling.png 2000w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Universal-coupling-1536x599.png 1536w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"overhead-crane-coupling-safety-requirements\">Keperluan Keselamatan Gandingan Kren Atas<\/h2>\n\n\n\n<ul>\n<li>Gandingan gear perlu dilupuskan jika mana-mana keadaan berikut berlaku:\n<ul>\n<li>Retakan;<\/li>\n\n\n\n<li>Gigi patah;<\/li>\n\n\n\n<li>Kehausan ketebalan gigi: untuk mekanisme pengangkat, haus mencapai 15% ketebalan gigi asal; untuk mekanisme lain, haus mencapai 20% ketebalan gigi asal.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Bolt penyambung gandingan ialah bolt pemasangan rapat yang jitu yang menanggung daya ricih, jadi ia tidak boleh digantikan dengan bolt biasa.<\/li>\n\n\n\n<li>Apabila lubang bolt penyambung haus teruk, mekanisme tersebut akan melompat apabila dihidupkan, dan bolt juga mungkin akan tercabut.<\/li>\n\n\n\n<li>Sudut cekung laluan kunci lubang aci merupakan kawasan tumpuan tegasan dan perlu diperiksa dengan teliti untuk retakan.<\/li>\n\n\n\n<li>Pemeriksaan haus dan retak gear gandingan adalah sama seperti gear umum.<\/li>\n\n\n\n<li>Untuk gandingan universal, periksa terutamanya bunyi bising yang tidak normal, getaran, pemanasan, kebocoran minyak dan bolt penyambung yang longgar semasa operasi. Jika terdapat sebarang keganjilan, hentikan operasi dengan segera dan cari puncanya untuk menghapuskan keadaan yang tidak normal.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"Overhead crane couplings are mechanical components used to connect shafts. In cranes, they transmit torque from the motor through the gearbox and coupling to the low-speed shaft, enabling lifting and lowering of loads, trolley travel, and crane travel. Common types include gear couplings, plum-blossom elastic couplings, and universal couplings, with the gear coupling being the [&hellip;]","protected":false},"featured_media":16186,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[197],"posts_tag":[792],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hndfcrane.com\/ms\/wp-json\/wp\/v2\/xmxposts\/16175"}],"collection":[{"href":"https:\/\/www.hndfcrane.com\/ms\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.hndfcrane.com\/ms\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":12,"href":"https:\/\/www.hndfcrane.com\/ms\/wp-json\/wp\/v2\/xmxposts\/16175\/revisions"}],"predecessor-version":[{"id":16197,"href":"https:\/\/www.hndfcrane.com\/ms\/wp-json\/wp\/v2\/xmxposts\/16175\/revisions\/16197"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hndfcrane.com\/ms\/wp-json\/wp\/v2\/media\/16186"}],"wp:attachment":[{"href":"https:\/\/www.hndfcrane.com\/ms\/wp-json\/wp\/v2\/media?parent=16175"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/ms\/wp-json\/wp\/v2\/posts_category?post=16175"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/ms\/wp-json\/wp\/v2\/posts_tag?post=16175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}