{"id":16935,"date":"2026-04-23T06:51:22","date_gmt":"2026-04-23T06:51:22","guid":{"rendered":"https:\/\/www.dgcrane.com\/?p=16935"},"modified":"2026-04-23T07:34:51","modified_gmt":"2026-04-23T07:34:51","slug":"crane-hoist-motor-power-calculator","status":"publish","type":"post","link":"https:\/\/www.dgcrane.com\/da\/crane-hoist-motor-power-calculator\/","title":{"rendered":"Online beregner af kranhejsemotoreffekt"},"content":{"rendered":"<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div id=\"crane-hoist-calculator\">\n  <div class=\"calc-container\">\n    <!-- \u8d77\u91cd\u91cf -->\n    <div class=\"calc-item\">\n      <label for=\"crane-capacity\">L\u00f8ftekapacitet (ton)<\/label>\n      <input type=\"text\" id=\"crane-capacity\" placeholder=\"f.eks. 5\">\n      <div class=\"error-msg\" id=\"error-capacity\"><\/div>\n    <\/div>\n\n    <!-- \u8d77\u5347\u901f\u5ea6 -->\n    <div class=\"calc-item\">\n      <label for=\"crane-speed\">L\u00f8ftehastighed (m\/min)<\/label>\n      <input type=\"text\" id=\"crane-speed\" placeholder=\"f.eks. 8\">\n      <div class=\"error-msg\" id=\"error-speed\"><\/div>\n    <\/div>\n\n    <!-- \u673a\u68b0\u6548\u7387 -->\n    <div class=\"calc-item\">\n      <label for=\"crane-efficiency\">Mekanisk effektivitet<\/label>\n<input type=\"text\" id=\"crane-efficiency\" placeholder=\"f.eks. 0,88\">\n      <div class=\"error-msg\" id=\"error-efficiency\"><\/div>\n    <\/div>\n\n    <!-- \u6309\u94ae -->\n    <div class=\"calc-buttons\">\n      <button id=\"crane-calculate\">Beregne<\/button>\n      <button id=\"crane-reset\">Nulstil<\/button>\n    <\/div>\n\n    <!-- \u7ed3\u679c -->\n    <div class=\"calc-result-box\">\n      <div class=\"result-label\">Motoreffekt (kW)<\/div>\n      <div id=\"crane-result\">\u2014kW<\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n<style>\n\/* \u4f5c\u7528\u57df\u9650\u5b9a\uff1a\u4ec5 #crane-hoist-calculator \u5185\u751f\u6548 *\/\n#crane-hoist-calculator {\n  max-width: 545px;\n  padding: 30px;\n  background: #EAEEF7;\n  box-sizing: border-box;\n}\n#crane-hoist-calculator * {\n  margin: 0;\n  padding: 0;\n  box-sizing: border-box;\n  font-family: inherit;\n}\n#crane-hoist-calculator .calc-container {\n  display: grid;\n  gap: 20px;\n}\n#crane-hoist-calculator .calc-item {\n  position: relative;\n  display: grid;\n  gap: 10px;\n  \/* \u56fa\u5b9a\u9ad8\u5ea6\u5360\u4f4d\uff0c\u9632\u6b62\u5e03\u5c40\u8df3\u52a8 *\/\n  padding-bottom: 20px;\n}\n#crane-hoist-calculator label {\n  font-size: 14px;\n  line-height: 120%;\n  color: #4a4a4a;\n}\n#crane-hoist-calculator input {\n  height: 36px;\n  font-size: 16px;\n  padding: 2px 10px;\n  border: 1px solid #ccc;\n  background: #fff;\n  transition: all 0.2s ease;\n}\n#crane-hoist-calculator input:focus {\n  border: 2px solid #002266 !important;\n  outline: none;\n}\n\/* \u9519\u8bef\u63d0\u793a\u7edd\u5bf9\u5b9a\u4f4d\uff0c\u4e0d\u5360\u7528\u6587\u6863\u6d41\uff0c\u4e0d\u6324\u538b\u5e03\u5c40 *\/\n#crane-hoist-calculator .error-msg {\n  position: absolute;\n  left: 0;\n  bottom: 0;\n  font-size: 12px;\n  color: red;\n  display: none;\n  line-height: 1.2;\n}\n#crane-hoist-calculator input.input-error {\n  border-color: red !important;\n}\n#crane-hoist-calculator .calc-buttons {\n  display: flex;\n  gap: 20px;\n}\n#crane-hoist-calculator .calc-buttons button {\n  flex: 1;\n  height: 34px;\n  font-size: 14px;\n  border: none;\n  cursor: pointer;\n  transition: all 0.2s ease;\n}\n#crane-hoist-calculator .calc-buttons button:first-child {\n  background: #0a3487;\n  color: #fff;\n}\n#crane-hoist-calculator .calc-buttons button:last-child {\n  background: #fff;\n  color: #4a4a4a;\n}\n#crane-hoist-calculator .calc-buttons button:hover {\n  background: #F58423 !important;\n  color: #fff !important;\n}\n#crane-hoist-calculator .calc-result-box {\n  margin-top: 10px;\n}\n#crane-hoist-calculator .result-label {\n  font-size: 14px;\n  font-weight: 700;\n  color: #4a4a4a;\n  margin-bottom: 8px;\n}\n#crane-hoist-calculator #crane-result {\n  font-size: 40px;\n  line-height: 120%;\n  font-weight: 700;\n  color: #003296;\n}\n\n\/* \u79fb\u52a8\u7aef\u9002\u914d *\/\n@media (max-width: 768px) {\n  #crane-hoist-calculator {\n    padding: 20px;\n  }\n  #crane-hoist-calculator label {\n    font-size: 0.28rem;\n  }\n  #crane-hoist-calculator input {\n    height: 0.7rem;\n    font-size: 0.28rem;\n  }\n  #crane-hoist-calculator .calc-item {\n    padding-bottom: 0.4rem;\n  }\n  #crane-hoist-calculator .error-msg {\n    font-size: 0.24rem;\n  }\n  #crane-hoist-calculator .calc-buttons {\n    flex-direction: column;\n    gap: 12px;\n  }\n  #crane-hoist-calculator .calc-buttons button {\n    min-height: 0.7rem;\n    font-size: 0.28rem;\n    width: 100%;\n  }\n  #crane-hoist-calculator #crane-result {\n    font-size: 0.8rem;\n  }\n  #crane-hoist-calculator .result-label {\n    font-size: 0.28rem;\n  }\n}\n<\/style>\n\n<script>\n(function() {\n  \/\/ \u907f\u514d\u5168\u5c40\u6c61\u67d3\n  const calculator = {\n    init: function() {\n      this.bindEvents();\n    },\n    bindEvents: function() {\n      const calcBtn = document.getElementById('crane-calculate');\n      const resetBtn = document.getElementById('crane-reset');\n      const inputs = document.querySelectorAll('#crane-hoist-calculator input');\n\n      calcBtn.addEventListener('click', this.calculate.bind(this));\n      resetBtn.addEventListener('click', this.reset.bind(this));\n      inputs.forEach(input => {\n        input.addEventListener('input', () => {\n          this.clearError(input.id.replace('crane-', ''));\n        });\n      });\n    },\n    \/\/ \u8bbe\u7f6e\u9519\u8bef\n    setError: function(field, msg) {\n      const input = document.getElementById(`crane-${field}`);\n      const errorEl = document.getElementById(`error-${field}`);\n      input.classList.add('input-error');\n      errorEl.textContent = msg;\n      errorEl.style.display = 'block';\n    },\n    \/\/ \u6e05\u9664\u9519\u8bef\n    clearError: function(field) {\n      const input = document.getElementById(`crane-${field}`);\n      const errorEl = document.getElementById(`error-${field}`);\n      input.classList.remove('input-error');\n      errorEl.style.display = 'none';\n    },\n    \/\/ \u6821\u9a8c\u8f93\u5165\n    validateInput: function() {\n      let valid = true;\n      const capacity = document.getElementById('crane-capacity').value.trim();\n      const speed = document.getElementById('crane-speed').value.trim();\n      const efficiency = document.getElementById('crane-efficiency').value.trim();\n\n      \/\/ \u8d77\u91cd\u91cf\u6821\u9a8c\n      if (!capacity || isNaN(capacity) || Number(capacity) <= 0) {\n        this.setError('capacity', 'Please enter a valid positive number');\n        valid = false;\n      }\n      \/\/ \u901f\u5ea6\u6821\u9a8c\n      if (!speed || isNaN(speed) || Number(speed) <= 0) {\n        this.setError('speed', 'Please enter a valid positive number');\n        valid = false;\n      }\n      \/\/ \u6548\u7387\u6821\u9a8c\n      if (!efficiency || isNaN(efficiency) || Number(efficiency) <= 0 || Number(efficiency) > 1) {\n        this.setError('efficiency', 'Please enter a value between 0 and 1');\n        valid = false;\n      }\n      return valid;\n    },\n    \/\/ \u8ba1\u7b97\u903b\u8f91\n    calculate: function() {\n      if (!this.validateInput()) return;\n\n      const m_ton = Number(document.getElementById('crane-capacity').value);\n      const v_mmin = Number(document.getElementById('crane-speed').value);\n      const eta = Number(document.getElementById('crane-efficiency').value);\n\n      \/\/ \u5355\u4f4d\u8f6c\u6362\n      const m = m_ton * 1000;\n      const v = v_mmin \/ 60;\n      const g = 9.81;\n\n      \/\/ \u516c\u5f0f P = (m * g * v) \/ (1000 * \u03b7)\n      const power = (m * g * v) \/ (1000 * eta);\n      document.getElementById('crane-result').textContent = power.toFixed(2) + ' kW';\n    },\n    \/\/ \u91cd\u7f6e\n    reset: function() {\n      document.getElementById('crane-capacity').value = '';\n      document.getElementById('crane-speed').value = '';\n      document.getElementById('crane-efficiency').value = '';\n      document.getElementById('crane-result').textContent = '\u2014';\n      \n      \/\/ \u6e05\u9664\u6240\u6709\u9519\u8bef\n      this.clearError('capacity');\n      this.clearError('speed');\n      this.clearError('efficiency');\n    }\n  };\n\n  \/\/ \u521d\u59cb\u5316\n  calculator.init();\n})();\n<\/script>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Formel for beregning af kranhejsmotorens effekt<\/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>\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-container span{color: #000000;}\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>P<\/span>\n        <span>=<\/span>\n        <div class=\"formula-fraction\">\n            <div class=\"fraction-top\">m\u00b7g\u00b7v<\/div>\n            <div class=\"fraction-line\"><\/div>\n            <div class=\"fraction-bottom\">1000\u00b7\u03b7<\/div>\n        <\/div>\n    <\/div>\n<\/body>\n<\/html>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P: Beregnet motoreffekt, enhed kW<\/li>\n\n\n\n<li>m: Nominel l\u00f8ftemasse, enhed kg<\/li>\n\n\n\n<li>g: Tyngdeacceleration, 9,81 m\/s\u00b2<\/li>\n\n\n\n<li>v: Nominel hejsehastighed, enhed m\/s<\/li>\n\n\n\n<li>\u03b7: Samlet mekanisk virkningsgrad (decimal)<\/li>\n<\/ul>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Instruktioner til enhedskonvertering<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>N\u00e5r inputhastighedsenheden er m\/min (meter pr. minut), konverteres den automatisk til m\/s (meter pr. sekund) i baggrunden.<\/li>\n\n\n\n<li>N\u00e5r den input-masseenhed er t (ton), konverteres den automatisk til kg (kilogram) i baggrunden.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">G\u00e6ldende produkter og omfang<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:38%\">\n<h3 class=\"wp-block-heading\">G\u00e6ldende produkter<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Enkeltbj\u00e6lke overheadkraner<\/li>\n\n\n\n<li>Dobbeltdrager overhead kraner<\/li>\n\n\n\n<li>Enkeltbj\u00e6lke portalkraner<\/li>\n\n\n\n<li>Dobbeltbj\u00e6lke portalkraner<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<h3 class=\"wp-block-heading\">G\u00e6ldende anvendelsesomr\u00e5de<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nominel l\u00f8ftekapacitet: 0,5 t ~ 200 t<\/li>\n\n\n\n<li>D\u00e6kning af driftsklasse: A1~A6 (svarende til M1~M6)<\/li>\n\n\n\n<li>H\u00f8jde \u2264 1000 m<\/li>\n\n\n\n<li>Omgivelsestemperatur: \u2264 40 \u2103<\/li>\n\n\n\n<li>Arbejdsforhold: Generelle indend\u00f8rs v\u00e6rksteder og udend\u00f8rs haveanvendelser, stabil netsp\u00e6nding<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Ikke relevant for<\/h3>\n\n\n\n<p>Specialkraner, herunder st\u00f8berikraner, eksplosionssikre kraner, atomkraftkraner og andet specialudstyr.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Skr\u00e6ddersyede kranl\u00f8sninger til din applikation<\/h2>\n\n\n\n<p>Krandesign er et systematisk projekt, der kr\u00e6ver omfattende overvejelser af arbejdsforhold, anvendelser, milj\u00f8er og andre n\u00f8glefaktorer. For en sikker, effektiv og omkostningseffektiv kranl\u00f8sning, der er skr\u00e6ddersyet til dine faktiske behov, bedes du kontakte vores professionelle ingeni\u00f8rer for individuel r\u00e5dgivning og tilpasning.<\/p>","protected":false},"excerpt":{"rendered":"Kranmotoreffektberegneren er et standardkompatibelt onlinev\u00e6rkt\u00f8j til \u00f8jeblikkelig beregning af motoreffekten i travers- og portalkraner, som er betroet af globale kraningeni\u00f8rer, producenter og internationale handelskunder. Denne beregner er fuldt ud kompatibel med globale krandesignstandarder, herunder ISO 4301, europ\u00e6iske specifikationer FEM 1.001 og kinesisk national standard GB\/T 3811, og eliminerer kompleksiteten og risikoen ved manuel motoreffektberegning.","protected":false},"author":2,"featured_media":16867,"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":[63],"tags":[],"class_list":["post-16935","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-other"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/posts\/16935"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/comments?post=16935"}],"version-history":[{"count":2,"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/posts\/16935\/revisions"}],"predecessor-version":[{"id":16937,"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/posts\/16935\/revisions\/16937"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/media\/16867"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/media?parent=16935"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/categories?post=16935"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/tags?post=16935"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}