{"id":7399,"date":"2025-07-28T15:09:37","date_gmt":"2025-07-28T07:09:37","guid":{"rendered":"https:\/\/www.wtauserver.com\/?p=7399"},"modified":"2025-07-28T15:09:37","modified_gmt":"2025-07-28T07:09:37","slug":"wtl-a700-variable-torque-limiter","status":"publish","type":"post","link":"https:\/\/www.wtauserver.com\/en\/wtl-a700-variable-torque-limiter\/","title":{"rendered":"WTL-A700 amplitude variable torque limiter"},"content":{"rendered":"<h3>1.  Product introduction<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7400 size-full\" src=\"https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/1-19.webp\" alt=\"WTL-A700 amplitude variable torque limiter\" width=\"750\" height=\"750\" srcset=\"https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/1-19.webp 750w, https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/1-19-300x300.webp 300w, https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/1-19-150x150.webp 150w, https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/1-19-12x12.webp 12w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p>\u200b<strong>WTL-A700 amplitude variable torque limiter<\/strong>\u200b<br \/>\nThe core device for crane safety protection has passed<strong>Dynamically monitor the Angle, amplitude and load of the boom<\/strong>Calculate the actual torque value in real time. When approaching the critical state, it automatically triggers an audible and visual alarm and cuts off dangerous actions, effectively preventing overloading, overturning and structural damage. The core adopts high-precision sensors and adaptive algorithms to precisely adapt to complex luffing conditions such as port hoisting and wind power installation.<\/p>\n<p>&nbsp;<\/p>\n<h3>2. Main functions<\/h3>\n<p>\u200b<strong>Triple safety protection closed loop<\/strong>\u200b<\/p>\n<ul>\n<li>\u200b<strong>Dynamic torque load limiting<\/strong>\u200b<br \/>\nReal-time fusion of Angle encoder and pressure sensor (\u00b11% error)<br \/>\nWhen approaching the critical value, give an early alarm or forcibly cut off the power<\/li>\n<li>\u200b<strong>Multi-action interlock control<\/strong>\u200b<br \/>\nThe linkage limits the luffing speed, hook height and rotation range<\/li>\n<li>\u200b<strong>Full operation cycle traceability<\/strong>\u200b<br \/>\nBlack box storage (accident analysis report can be exported)<\/li>\n<li>\u200b<strong>Adaptation for extreme working conditions<\/strong>\u200b<br \/>\nClassification society certified salt spray resistance module (Stable operation in humidity environment)<\/li>\n<\/ul>\n<h3><\/h3>\n<h3>3. Scope of application<\/h3>\n<p>\u200b<strong>High-end crane safety essential scenarios<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7401 size-full aligncenter\" src=\"https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/2-19.webp\" alt=\"Equipped with a large-screen LED display interface, it can provide real-time data feedback\" width=\"612\" height=\"491\" srcset=\"https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/2-19.webp 612w, https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/2-19-300x241.webp 300w, https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/2-19-15x12.webp 15w\" sizes=\"auto, (max-width: 612px) 100vw, 612px\" \/>\u200b<\/p>\n<ul>\n<li>\u200b<strong>Heavy hoisting at sea<\/strong>\u200b<br \/>\n\u25b6 Full-rotation crane vessels (over 650 tons)<br \/>\n\u25b6 Wind power installation platform (Dynamic Wave Compensation)<\/li>\n<li>\u200b<strong>Large-scale port machinery<\/strong>\u200b<br \/>\n\u25b6 Bridge ship Unloader (Frequent luffing + Heavy load)<br \/>\n\u25b6 Portal crane (Large Span luffing)<\/li>\n<li>\u200b<strong>Special Engineering Deployment<\/strong>\u200b<br \/>\nTower cranes for super high-rise buildings (over 300 meters)<br \/>\n\u25b6 Floating crane jacking operation (Compensation for Tidal influence)<\/li>\n<\/ul>\n<h3><\/h3>\n<h3>4. Model description<\/h3>\n<p>\u200b<strong>Micro and Special Torque Safety Two-Party Case<\/strong>\u200b<\/p>\n<h4>\u200b<strong>\u2460 WTL-A700 Flagship model<\/strong>\u200b<\/h4>\n<ul>\n<li>\u200b<strong>Monitoring dimension<\/strong>Weight + Angle + amplitude + wind speed + pressure<\/li>\n<li>\u200b<strong>Control accuracy<\/strong>The systematic error is \u22645%<\/li>\n<li>\u200b<strong>Interactive configuration<\/strong>Industrial touch screen + waterproof physical keys<\/li>\n<li>\u200b<strong>Certification level<\/strong>: Through classification societies seriously<\/li>\n<\/ul>\n<h4>\u200b<strong>\u2461 WTL-A200 Economy Type<\/strong><\/h4>\n<h4>\u200b<img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7402 aligncenter\" src=\"https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/5-2.webp\" alt=\"WTL-A200 torque limiter\" width=\"800\" height=\"478\" srcset=\"https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/5-2.webp 800w, https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/5-2-300x179.webp 300w, https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/5-2-768x459.webp 768w, https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/5-2-18x12.webp 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/h4>\n<ul>\n<li>\u200b<strong>Monitoring dimension<\/strong>Weight + Angle (dual signal input)<\/li>\n<li>\u200b<strong>Basic protection<\/strong>Overload alarm + automatic power-off<\/li>\n<li>\u200b<strong>Installation features<\/strong>Wall-mounted\/built-in (AC220V or DC24V)<\/li>\n<li>\u200b<strong>Certification level<\/strong>Meet the requirements of national standards<\/li>\n<\/ul>\n<h3><\/h3>\n<h3>5. Core advantages<\/h3>\n<p>\u200b<strong>Six major technical barriers define industry benchmarks<\/strong>\u200b<\/p>\n<blockquote><p>\u200b<strong>\u2705 dynamic adaptive algorithm<\/strong>\u200b<br \/>\nThe floating crane operation automatically compensates for the wave inclination Angle, and the wind power hoisting matches the blade swing trajectory in real time<br \/>\n\u200b<strong>\u2705 millisecond response mechanism<\/strong>\u200b<br \/>\nFrom sensor collection to power cut-off<br \/>\n\u200b<strong>\u2705 environmental tolerance<\/strong>\u200b<br \/>\nVerification of cold start at -420\u2103 and full-load operation at 60\u2103<br \/>\n\u200b<strong>\u2705 zero false alarm technology guarantee<\/strong>\u200b<br \/>\nOriginal vibration filtering algorithm<br \/>\n\u200b<strong>\u2705 scalable iot architecture<\/strong>\u200b<br \/>\nReserve 5G\/ fiber optic interfaces for seamless integration with the smart construction site system<\/p><\/blockquote>\n<h3><\/h3>\n<h3>6. Option Guidance<\/h3>\n<p>The simple option method is as follows: For large-scale projects, WTL-A700 is recommended, which supports future intelligent upgrades. For medium and small-sized equipment such as medium and small-sized truck cranes \u200c and conventional tower cranes \u200c, WTL-A200 can be chosen for those who pursue cost performance<\/p>\n<p>\u200b<strong>Precisely match according to the working conditions and requirements<\/strong>\u200b<\/p>\n<div class=\"hyc-common-markdown__table-wrapper\" data-has-scroll=\"false\">\n<table>\n<thead>\n<tr>\n<th>\u200b<strong>Equipment type<\/strong>\u200b<\/th>\n<th>\u200b<strong>Recommended model<\/strong>\u200b<\/th>\n<th>\u200b<strong>Core reason<\/strong>\u200b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>A 1,200-ton crane vessel<\/td>\n<td>WTL-A700<\/td>\n<td>Dynamic wave compensation and multi-action interlocking are required<\/td>\n<\/tr>\n<tr>\n<td>5MW wind power installation platform<\/td>\n<td>WTL-A700<\/td>\n<td>Precise tracking of blade swing trajectories<\/td>\n<\/tr>\n<tr>\n<td>Small and medium-sized truck cranes (\u226480 tons)<\/td>\n<td>WTL-A200<\/td>\n<td>Dual-signal input meets the national standard for basic protection<\/td>\n<\/tr>\n<tr>\n<td>Port gantry crane (limited budget)<\/td>\n<td>WTL-A200<\/td>\n<td>Wall-mounted installation saves space<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u200b<strong>The Iron law of Selection<\/strong>\u200b<\/p>\n<ol>\n<li>Marine-related projects \u2192<strong>It is mandatory to obtain CCS classification society certification<\/strong>\u200b<\/li>\n<li>Lifting height &gt; 150 meters \u2192<strong>Specify the A700 wind speed linkage module<\/strong>\u200b<\/li>\n<li>Daily amplitude variation &gt; 200 times \u2192<strong>Choose the A700 anti-fatigue version<\/strong>\u200b<\/li>\n<\/ol>\n<h3><\/h3>\n<h3>7. Engineering cases<\/h3>\n<p>\u200b<strong>A model of heavy hoisting at sea<\/strong>\u200b<\/p>\n<blockquote><p>\u200b<strong>A 1,200-ton crane vessel in Haixi, Qingdao<\/strong><\/p>\n<p>\u200b<img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7404 aligncenter\" src=\"https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/4-3.webp\" alt=\"The Qingdao Haixi 1200t crane vessel is equipped with the WTL-A700 moment limiter\" width=\"800\" height=\"579\" srcset=\"https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/4-3.webp 800w, https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/4-3-300x217.webp 300w, https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/4-3-768x556.webp 768w, https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/4-3-18x12.webp 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p><\/blockquote>\n<ul>\n<li>\u200b<strong>Challenge<\/strong>Dynamic hoisting of wind power foundation piles under sea conditions of level 7<\/li>\n<li>\u200b<strong>\"Configuration\"<\/strong>\u200b\uff1a<br \/>\n\u25b6 Dual-angle sensors compensate for hull swaying<br \/>\nThe wave prediction algorithm adjusts the torque 3 seconds in advance<\/li>\n<\/ul>\n<blockquote><p>\u200b<strong>Hengtong Yihang 650-ton full-rotation crane vessel<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7403 aligncenter\" src=\"https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/3-9.webp\" alt=\"Hengtong Yihang 650-ton full-rotation crane vessel\" width=\"666\" height=\"500\" srcset=\"https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/3-9.webp 666w, https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/3-9-300x225.webp 300w, https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/07\/3-9-16x12.webp 16w\" sizes=\"auto, (max-width: 666px) 100vw, 666px\" \/>\u200b<\/p><\/blockquote>\n<ul>\n<li>\u200b<strong>Pain point<\/strong>Collision avoidance protection in narrow port areas<\/li>\n<li>\u200b<strong>\"Plan\"<\/strong>\u200b\uff1a<br \/>\nThe linked electronic fence restricts the turning range<br \/>\n\u25b6 Automatically decelerate when the obstacle distance is less than 5 meters<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>1. \u4ea7\u54c1\u7b80\u4ecb \u200b\u200bWTL-A700\u53d8\u5e45\u5f0f\u529b\u77e9\u9650\u5236\u5668\u200b\u200b \u8d77\u91cd\u673a\u5b89\u5168\u4fdd\u62a4\u6838\u5fc3\u88c5\u7f6e\uff0c\u901a\u8fc7\u200b\u200b\u52a8\u6001\u76d1\u6d4b\u8d77\u91cd\u81c2\u89d2\u5ea6\u3001 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[125,131,140,142,143,133,139,141],"tags":[],"class_list":["post-7399","post","type-post","status-publish","format-standard","hentry","category-load-moment-limiter","category-transportation-bridges","category-nuclear-power-construction","category-automobile-manufacturing","category-ocean-engineering","category-port-logistics","category-power-construction","category-shipbuilding-industry"],"_links":{"self":[{"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/posts\/7399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/comments?post=7399"}],"version-history":[{"count":1,"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/posts\/7399\/revisions"}],"predecessor-version":[{"id":7405,"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/posts\/7399\/revisions\/7405"}],"wp:attachment":[{"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/media?parent=7399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/categories?post=7399"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/tags?post=7399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}