{"id":17141,"date":"2026-06-24T05:55:48","date_gmt":"2026-06-24T05:55:48","guid":{"rendered":"https:\/\/www.dgcrane.com\/?p=17141"},"modified":"2026-06-24T06:02:59","modified_gmt":"2026-06-24T06:02:59","slug":"crane-actual-lifting-speed-calculator","status":"publish","type":"post","link":"https:\/\/www.dgcrane.com\/no\/crane-actual-lifting-speed-calculator\/","title":{"rendered":"Kalkulator for faktisk l\u00f8ftehastighet for kran"},"content":{"rendered":"<div id=\"calculator\">\n    <style>\n        \/* \u4ec5\u9650\u5b9a#calculator\u5185\u90e8\uff0c\u65e0\u5168\u5c40\u6c61\u67d3 *\/\n        #calculator {\n            --primary-color: #0a3487;\n            --primary-hover: #F58423;\n            --error-color: #e53935;\n            --bg-color: #EAEEF7;\n            --text-color: #4a4a4a;\n            max-width: 545px;\n            padding: 30px;\n            background: var(--bg-color);\n            box-sizing: border-box;\n            font-family: Arial, sans-serif;\n            color: var(--text-color);\n        }\n.formula-container span{color: #333333;}\n        #calculator .calc-title {\n            text-align: center;\n            margin: 0 0 20px;\n            font-size: 18px;\n        }\n        #calculator .calc-formula {\n            text-align: center;\n            font-family: \"Times New Roman\", serif;\n            font-size: 20px;\n            margin: 0 0 24px;\n            padding: 12px;\n            background: #fff;\n        }\n        #calculator .form-item {\n            margin-bottom: 16px;\n        }\n        #calculator label {\n            display: block;\n            font-size: 14px;\n            margin-bottom: 6px;\n        }\n        #calculator input[type=\"number\"] {\n            width: 100%;\n            box-sizing: border-box;\n            height: 36px;\n            font-size: 16px;\n            border: 1px solid #ccc;\n            border-radius: 0;\n            padding: 0 10px;\n            transition: 0.2s ease;\n        }\n        #calculator input[type=\"number\"]:focus {\n            outline: none;\n            border: 2px solid var(--primary-color);\n        }\n        #calculator input[type=\"number\"].error {\n            border: 2px solid var(--error-color);\n        }\n        #calculator .error-msg {\n            display: none;\n            font-size: 12px;\n            color: var(--error-color);\n            margin-top: 4px;\n        }\n        #calculator .btn-group {\n            display: flex;\n            gap: 12px;\n            margin: 20px 0;\n        }\n        #calculator button {\n            flex: 1;\n            height: 34px;\n            line-height: 34px;\n            font-size: 14px;\n            border-radius: 0;\n            border: none;\n            cursor: pointer;\n            transition: 0.2s ease;\n        }\n        #calculator .btn-calc {\n            background-color: var(--primary-color);\n            color: #fff;\n        }\n        #calculator .btn-calc:hover {\n            background-color: var(--primary-hover);\n        }\n        #calculator .btn-reset {\n            background-color: #fff;\n            color: var(--primary-color);\n            border: 1px solid var(--primary-color);\n        }\n        #calculator .btn-reset:hover {\n            background-color: var(--primary-hover);\n            color: #fff;\n            border-color: var(--primary-hover);\n        }\n        #calculator .calc-result {\n            font-size: 30px;\n            text-align: center;\n            padding: 16px;\n            background: #fff;\n            word-break: break-all;\n        }\n        \/* \u79fb\u52a8\u7aef\u9002\u914d max-width:768px *\/\n        @media (max-width: 768px) {\n            #calculator input[type=\"number\"],\n            #calculator button {\n                height: 0.7rem;\n                font-size: 0.28rem;\n            }\n            #calculator .btn-group {\n                flex-direction: column;\n            }\n            #calculator button {\n                width: 100%;\n            }\n        }\n    <\/style>\n\n    <div class=\"form-item\">\n        <label for=\"calculator-n\">Kranens rotasjonshastighet n (o\/min)<\/label>\n        <input type=\"number\" id=\"calculator-n\" step=\"0.01\" placeholder=\"f.eks. 735\">\n        <div class=\"error-msg\" id=\"error-n\"><\/div>\n    <\/div>\n    <div class=\"form-item\">\n        <label for=\"calculator-D\">Trommeldiameter D (m)<\/label>\n        <input type=\"number\" id=\"calculator-D\" step=\"0.01\" placeholder=\"f.eks. 0,8\">\n        <div class=\"error-msg\" id=\"error-D\"><\/div>\n    <\/div>\n    <div class=\"form-item\">\n        <label for=\"calculator-d\">St\u00e5ltaudiameter d (mm)<\/label>\n        <input type=\"number\" id=\"calculator-d\" step=\"0.01\" placeholder=\"f.eks. 24\">\n        <div class=\"error-msg\" id=\"error-d\"><\/div>\n    <\/div>\n    <div class=\"form-item\">\n        <label for=\"calculator-I\">Reduksjonsgirforhold I&#39;<\/label>\n        <input type=\"number\" id=\"calculator-I\" step=\"0.01\" placeholder=\"f.eks. 45,75\">\n        <div class=\"error-msg\" id=\"error-I\"><\/div>\n    <\/div>\n    <div class=\"form-item\">\n        <label for=\"calculator-a\">St\u00e5ltauforhold a<\/label>\n        <input type=\"number\" id=\"calculator-a\" step=\"0.01\" placeholder=\"f.eks. 5\">\n        <div class=\"error-msg\" id=\"error-a\"><\/div>\n    <\/div>\n\n    <div class=\"btn-group\">\n        <button class=\"btn-calc\" id=\"calc-trigger\">Beregn l\u00f8ftehastighet<\/button>\n        <button class=\"btn-reset\" id=\"calc-reset\">Tilbakestill alt<\/button>\n    <\/div>\n\n    <div class=\"calc-result\" id=\"calc-result\">\u2014 m\/min<\/div>\n\n    <script>\n        \/\/ \u552f\u4e00\u547d\u540d\uff0c\u4e0d\u6c61\u67d3\u5168\u5c40\n        const CraneActualLiftingCalc = (function() {\n            \/\/ \u5b57\u6bb5\u5217\u8868\n            const fields = ['n','D','d','I','a'];\n            \/\/ DOM\u7f13\u5b58\n            const dom = {\n                resultBox: document.getElementById('calc-result'),\n                calcBtn: document.getElementById('calc-trigger'),\n                resetBtn: document.getElementById('calc-reset')\n            };\n\n            \/\/ \u8bbe\u7f6e\u8f93\u5165\u9519\u8bef\n            function setError(fieldId, msg) {\n                const input = document.getElementById(`calculator-${fieldId}`);\n                const errBox = document.getElementById(`error-${fieldId}`);\n                input.classList.add('error');\n                errBox.textContent = msg;\n                errBox.style.display = 'block';\n            }\n            \/\/ \u6e05\u9664\u5355\u4e2a\u8f93\u5165\u9519\u8bef\n            function clearError(fieldId) {\n                const input = document.getElementById(`calculator-${fieldId}`);\n                const errBox = document.getElementById(`error-${fieldId}`);\n                input.classList.remove('error');\n                errBox.textContent = '';\n                errBox.style.display = 'none';\n            }\n            \/\/ \u6e05\u7a7a\u5168\u90e8\u9519\u8bef\n            function clearAllError() {\n                fields.forEach(key => clearError(key));\n            }\n            \/\/ \u5355\u5b57\u6bb5\u6821\u9a8c\n            function validateInput(fieldId) {\n                const input = document.getElementById(`calculator-${fieldId}`);\n                const val = parseFloat(input.value);\n                clearError(fieldId);\n                if (input.value.trim() === '') {\n                    setError(fieldId, 'This field cannot be empty');\n                    return false;\n                }\n                if (isNaN(val) || val <= 0) {\n                    setError(fieldId, 'Please input valid positive number');\n                    return false;\n                }\n                return true;\n            }\n            \/\/ \u5168\u90e8\u5b57\u6bb5\u6279\u91cf\u6821\u9a8c\n            function validateAllFields() {\n                let pass = true;\n                fields.forEach(key => {\n                    if (!validateInput(key)) pass = false;\n                });\n                return pass;\n            }\n            \/\/ \u8ba1\u7b97\u6838\u5fc3\u903b\u8f91\n            function calcSpeed() {\n                clearAllError();\n                if (!validateAllFields()) {\n                    dom.resultBox.textContent = 'Invalid Input';\n                    return;\n                }\n                const n = parseFloat(document.getElementById('calculator-n').value);\n                const D = parseFloat(document.getElementById('calculator-D').value);\n                const d = parseFloat(document.getElementById('calculator-d').value);\n                const I = parseFloat(document.getElementById('calculator-I').value);\n                const a = parseFloat(document.getElementById('calculator-a').value);\n                \/\/ \u6309\u516c\u5f0f\u8ba1\u7b97\n                const V = (n * Math.PI * (D + d \/ 1000)) \/ (I * a);\n                \/\/ \u4fdd\u75596\u4f4d\u5c0f\u6570\n                dom.resultBox.textContent = `${V.toFixed(6)} m\/min`;\n            }\n            \/\/ \u91cd\u7f6e\u5168\u90e8\n            function resetAll() {\n                fields.forEach(key => {\n                    const input = document.getElementById(`calculator-${key}`);\n                    input.value = '';\n                    clearError(key);\n                });\n                dom.resultBox.textContent = '-- m\/min';\n            }\n            \/\/ \u8f93\u5165\u65f6\u5b9e\u65f6\u6e05\u9664\u9519\u8bef\n            function bindInputClearErr() {\n                fields.forEach(key => {\n                    const input = document.getElementById(`calculator-${key}`);\n                    input.addEventListener('input', () => clearError(key));\n                });\n            }\n            \/\/ \u7ed1\u5b9a\u4e8b\u4ef6\n            function initBind() {\n                dom.calcBtn.addEventListener('click', calcSpeed);\n                dom.resetBtn.addEventListener('click', resetAll);\n                bindInputClearErr();\n            }\n            \/\/ \u521d\u59cb\u5316\u5165\u53e3\n            return {\n                init: function() {\n                    initBind();\n                }\n            }\n        })();\n        \/\/ \u9875\u9762\u52a0\u8f7d\u521d\u59cb\u5316\n        CraneActualLiftingCalc.init();\n    <\/script>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Formel for kalkulator for faktisk l\u00f8ftehastighet for kran<\/h2>\n\n\n\n<!DOCTYPE html>\n<html lang=\"zh-CN\">\n<head>\n    <meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <title>\u8d77\u91cd\u673a\u8d77\u5347\u901f\u5ea6\u516c\u5f0f<\/title>\n    <style>\n        \/* \u4ec5\u516c\u5f0f\u5bb9\u5668\u6837\u5f0f\uff0c\u65e0\u5168\u5c40\u63a7\u5236 *\/\n        .formula-container {\n            font-family: \"Times New Roman\", serif;\n            font-size: 20px;\n            display: flex;\n            align-items: center;\n            gap: 0.3em;\n        }\n        .formula-fraction {\n            display: inline-flex;\n            flex-direction: column;\n            align-items: center;\n        }\n        .fraction-top,\n        .fraction-bottom {\n            padding: 0 0.2em;\n        }\n        .fraction-line {\n            width: 100%;\n            height: 0.05em;\n            background-color: #000;\n        }\n\n        \/* \u79fb\u52a8\u7aef\u5355\u72ec\u9002\u914d\uff0c\u65e0\u5168\u5c40\u5f71\u54cd *\/\n        @media (max-width: 768px) {\n            .formula-container {\n                font-size: 0.3rem;\n            }\n        }\n    <\/style>\n<\/head>\n<body>\n    <div class=\"formula-container\">\n        <span>V<\/span>\n        <span>=<\/span>\n        <span>n\u03c0<\/span>\n        <span>(<\/span>\n        <span>D<\/span>\n        <span>+<\/span>\n        <div class=\"formula-fraction\">\n            <div class=\"fraction-top\">d<\/div>\n            <div class=\"fraction-line\"><\/div>\n            <div class=\"fraction-bottom\">1000<\/div>\n        <\/div>\n        <span>)<\/span>\n        <span>\/<\/span>\n        <span>(Jeg)<\/span>\n    <\/div>\n<\/body>\n<\/html>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V: Kranens faktiske l\u00f8ftehastighet (enhet: m\/min)<\/li>\n\n\n\n<li>n: Kranens rotasjonshastighet (enhet: o\/min)<\/li>\n\n\n\n<li>D: Trommeldiameter (enhet: m)<\/li>\n\n\n\n<li>d: St\u00e5ltaudiameter (enhet: mm)<\/li>\n\n\n\n<li>I&#39;: Reduksjonsgirforhold&nbsp;<\/li>\n\n\n\n<li>a: St\u00e5ltauhastighet<\/li>\n\n\n\n<li>v: Nominell l\u00f8ftehastighet (enhet: m\/min)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Notater<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ved beregning av motorhastighetsforholdet er b\u00e5de enkelttrommel- og dobbelttrommeltaljer aktuelle.<\/li>\n\n\n\n<li>Det er et avvik mellom den nominelle l\u00f8ftehastigheten og den faktiske l\u00f8ftehastigheten. I FEM-systemet styrer ingeni\u00f8rdesign vanligvis kranens faktiske l\u00f8ftehastighet innenfor \u00b110%, dvs. 0,9V.<sub>n<\/sub>\u200b\u2264V<sub>en<\/sub>\u22641,1 V<sub>n<\/sub>(V<sub>n<\/sub> er den nominelle l\u00f8ftehastigheten, V<sub>en<\/sub> er den faktiske l\u00f8ftehastigheten).<\/li>\n\n\n\n<li>Forholdet mellom st\u00e5ltau og st\u00e5ltau bestemmes av antall st\u00e5ltaugrener p\u00e5 kroken. Hvis det imidlertid brukes et dobbeltskivesystem, er st\u00e5ltauforholdet halvparten s\u00e5 mange grener.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Gjeldende produkter<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Enkel bjelke overhead kraner<\/li>\n\n\n\n<li>Overheadkraner med doble bjelker<\/li>\n\n\n\n<li>Enkel bjelke portalkraner<\/li>\n\n\n\n<li>Gantry kraner med dobbel bjelke<\/li>\n<\/ul>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Skreddersydde kranl\u00f8sninger bygget for arbeidsplassen din<\/h2>\n\n\n\n<p>Hver kranapplikasjon er unik \u2013 fra arbeidsforhold til lastesykluser og milj\u00f8krav. V\u00e5re ingeni\u00f8rer vil samarbeide med deg for \u00e5 designe en trygg, effektiv og budsjettvennlig l\u00f8sning som er perfekt tilpasset dine m\u00e5l. Kontakt oss i dag for en gratis og personlig konsultasjon og tilpasset teknisk st\u00f8tte.<\/p>","protected":false},"excerpt":{"rendered":"Kranens faktiske l\u00f8ftehastighetskalkulator verifiserer om den designede hastigheten oppfyller den nominelle verdien for \u00e5 vurdere designrasjonaliteten. Den beregner ogs\u00e5 det n\u00f8dvendige girforholdet for heisreduksjonsgiret, kontrollerer motorvalg og verifiserer samsvaret mellom tromler og st\u00e5ltau. En rimelig l\u00f8ftehastighet reduserer utmattingsbelastning p\u00e5 strukturelle komponenter og forlenger levetiden. Samtidig hjelper kranens faktiske l\u00f8ftehastighetskalkulator med \u00e5 velge optimale motorer og transmisjonsl\u00f8sninger, noe som reduserer langsiktige driftskostnader samtidig som sikkerhet og arbeidseffektivitet sikres.","protected":false},"author":8,"featured_media":17155,"parent":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"single-onlinetools.php","format":"standard","meta":{"_acf_changed":false,"rank_math_lock_modified_date":false,"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[1059],"tags":[],"class_list":["post-17141","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-online-tools"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/posts\/17141"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/comments?post=17141"}],"version-history":[{"count":15,"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/posts\/17141\/revisions"}],"predecessor-version":[{"id":17169,"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/posts\/17141\/revisions\/17169"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/media\/17155"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/media?parent=17141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/categories?post=17141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/tags?post=17141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}