{"id":1558,"date":"2018-11-14T04:13:31","date_gmt":"2018-11-14T04:13:31","guid":{"rendered":""},"modified":"2022-04-23T17:49:59","modified_gmt":"2022-04-23T09:49:59","slug":"%e3%80%90%e4%b8%ad%e8%8b%b1%e6%96%87%e3%80%91%e4%b8%8d%e9%94%88%e9%92%a2%e9%87%91%e5%b1%9e%e8%bd%af%e7%ae%a1%e5%ae%89%e8%a3%85%e8%af%b4%e6%98%8e%e2%80%9c%e5%85%a8%e7%90%83%e9%80%9a%e2%80%9d","status":"publish","type":"post","link":"http:\/\/www.songjiangjituan.com\/1558.html","title":{"rendered":"\u3010\u4e2d\u82f1\u6587\u3011\u4e0d\u9508\u94a2\u91d1\u5c5e\u8f6f\u7ba1\u5b89\u88c5\u8bf4\u660e"},"content":{"rendered":"<p>\u3010\u4e2d\u82f1\u6587\u3011\u4e0d\u9508\u94a2\u91d1\u5c5e\u8f6f\u7ba1\u5b89\u88c5\u8bf4\u660e\u201c\u5168\u7403\u901a\u7528\u201d<br \/>\n<img decoding=\"async\" src=\"\/uploads\/allimg\/1805\/1-1P5021302180-L.jpg\" alt=\"\u3010\u4e2d\u82f1\u6587\u3011\u4e0d\u9508\u94a2\u91d1\u5c5e\u8f6f\u7ba1\u5b89\u88c5\u8bf4\u660e\" title=\"\u3010\u4e2d\u82f1\u6587\u3011\u4e0d\u9508\u94a2\u91d1\u5c5e\u8f6f\u7ba1\u5b89\u88c5\u8bf4\u660e\" alt=\"\u3010\u4e2d\u82f1\u6587\u3011\u4e0d\u9508\u94a2\u91d1\u5c5e\u8f6f\u7ba1\u5b89\u88c5\u8bf4\u660e\u201c\u5168\u7403\u901a\u201d\" \/><\/p>\n<p>Key factors for installation<\/p>\n<div>\u5b89\u88c5\u7684\u5173\u952e\u56e0\u7d20<\/div>\n<div><\/div>\n<div>Following advises are however to be taken into consideration in order to obtain a good performance and prolonged of the expansion joint.<\/div>\n<div>\u6ce8\u610f\uff1a\u4e3a\u4e86\u83b7\u5f97\u826f\u597d\u7684\u6027\u80fd\u548c\u5ef6\u957f\u4f38\u7f29\u7f1d\u7684\u4f7f\u7528\u5bff\u547d\uff0c\u5fc5\u987b\u8003\u8651\u4ee5\u4e0b\u5efa\u8bae\u3002<\/div>\n<div><\/div>\n<div>Fixed points<\/div>\n<div>\u56fa\u5b9a\u70b9<\/div>\n<div>An expansion joint acts as a piston by the forces arising from the internal pressure.To prevent the pipes from damage they are to be properly anchored in order to take care of these reaction forces (Fr).<\/div>\n<div>\u91d1\u5c5e\u8f6f\u7ba1\u7531\u5185\u90e8\u538b\u529b\u4ea7\u751f\u7684\u529b\u4f5c\u7528\u4e8e\u6d3b\u585e\uff0c\u4e3a\u4e86\u9632\u6b62\u7ba1\u9053\u53d7\u5230\u635f\u574f\uff0c\u5fc5\u987b\u5c06\u7ba1\u9053\u56fa\u5b9a\u8d77\u6765\uff0c\u4ee5\u5904\u7406\u8fd9\u4e9b\u53cd\u4f5c\u7528\u529b\uff08FR\uff09\u3002<\/div>\n<div>The Reaction force of an expansion joint is calculated by the following formula:<\/div>\n<div>\u91d1\u5c5e\u8f6f\u7ba1\u7684\u53cd\u529b\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b\uff1a<\/div>\n<div>Fr = Q x P x 0.01<\/div>\n<div>Fr = reaction force in kN.<\/div>\n<div>Q = effective cross sectional area in cm2.<\/div>\n<div>P = actual pressure in bar or kp\/cm2<\/div>\n<div><\/div>\n<div>Mounting<\/div>\n<div>\u5b89\u88c5<\/div>\n<div><\/div>\n<div>Before installation, the temperature, pressure and displacement of the product should be strictly used.<\/div>\n<div>\u5b89\u88c5\u524d\u5e94\u4e25\u683c\u5728\u4ea7\u54c1\u5141\u8bb8\u7684\u6e29\u5ea6\u3001\u538b\u529b\u548c\u4f4d\u79fb\u91cf\u8303\u56f4\u5185\u4f7f\u7528\uff01<\/div>\n<div><\/div>\n<div>The expansion joints shall be easily accessible and open to regular supervision. Lt is recommended to let the expansion joints work in compression rather than stretching. Torsion is not permitted.<\/div>\n<div><strong><a href=\"http:\/\/www.songjiangjituan.com\/ruanguan\">\u91d1\u5c5e\u8f6f\u7ba1<\/a><\/strong>\u5e94\u5f88\u5bb9\u6613\u7684\u5b9a\u671f\u68c0\u67e5\u3002\u6211\u5efa\u8bae\u91d1\u5c5e\u8f6f\u7ba1\u7684\u5de5\u4f5c\u662f\u538b\u7f29\uff0c\u800c\u4e0d\u662f\u62c9\u4f38\uff0c\u66f4\u4e0d\u5141\u8bb8\u626d\u8f6c\u3002<\/div>\n<div><\/div>\n<div>Maintenance instructions: observe whether the expansion jointt is over stretched and keep the expansion joint in normal length every month.<\/div>\n<div>\u4fdd\u517b\u987b\u77e5\uff1a\u6bcf\u6708\u8981\u89c2\u5bdf\u91d1\u5c5e\u8f6f\u7ba1\u662f\u5426\u8d85\u4f4d\u79fb\u62c9\u957f\uff0c\u4fdd\u6301\u91d1\u5c5e\u8f6f\u7ba1\u5728\u6b63\u5e38\u957f\u5ea6\u5185\u4f7f\u7528\u3002<\/div>\n<div><\/div>\n<div>In order to ensure the expansion capacity, the bolts should be kept as small as possible (not exceeding 2 mm or 3mm) to avoid damaging the metal hose body.<\/div>\n<div>\u4e3a\u4e86\u4fdd\u8bc1\u4f38\u7f29\u80fd\u529b\uff0c\u88c5\u914d\u87ba\u6813\u8981\u786e\u4fdd\u87ba\u7eb9\u87ba\u6813\u5c3d\u91cf\u5c11\uff08\u4e0d\u8d85\u8fc72\u6beb\u7c73\u62163mm\uff09\uff0c\u4ee5\u907f\u514d\u635f\u574f\u91d1\u5c5e\u8f6f\u7ba1\u672c\u4f53\u3002<\/div>\n<div><\/div>\n<div>Precaution<\/div>\n<div>\u9884\u9632\u63aa\u65bd<\/div>\n<div><\/div>\n<div>When welding work is to take place the bellow has to be protected from welding heat and sparks.<\/div>\n<div>\u5f53\u710a\u63a5\u5de5\u4f5c\u53d1\u751f\u65f6\uff0c\u91d1\u5c5e\u8f6f\u7ba1\u672c\u4f53\u5fc5\u987b\u9632\u6b62\u710a\u63a5\u53d1\u70ed\u548c\u706b\u82b1\u3002<\/div>\n<div><\/div>\n<div>Please install an effective chlorine removal device at the inlet of the pipeline (chloride content is not more than 25mg\/l) to avoid excessive chlorine content and pinhole corrosion.<\/div>\n<div>\u8bf7\u5728\u7ba1\u9053\u8fdb\u6c34\u53e3\u52a0\u88c5\u6709\u6548\u53bb\u9664\u6c2f\u79bb\u5b50\u88c5\u7f6e\uff08\u6c2f\u79bb\u5b50\u542b\u91cf\u4e0d\u8d85\u8fc725mg\/l\uff09\uff0c\u907f\u514d\u6c34\u6c2f\u79bb\u5b50\u542b\u91cf\u8d85\u6807\uff0c\u4ea7\u751f\u9488\u5b54\u8150\u8680\u3002<\/div>\n<div>\n<p>Shanghai Songjiang Shock Absorber Group Co.,Ltd.<\/p>\n<\/div>\n<div>\u4e0a\u6d77\u6dde\u6c5f\u51cf\u9707\u5668\u96c6\u56e2\u6709\u9650\u516c\u53f8\u76f8\u5173\u4e0b\u8f7d\uff1a<a href=\"\/uploads\/soft\/1811\/1-1Q114120024.pdf\"><img decoding=\"async\" src=\"\/uploads\/allimg\/1801\/1-1P110101436.jpg\" alt=\"\u3010\u4e2d\u82f1\u6587\u3011\u4e0d\u9508\u94a2\u91d1\u5c5e\u8f6f\u7ba1\u5b89\u88c5\u8bf4\u660e\" title=\"\u3010\u4e2d\u82f1\u6587\u3011\u4e0d\u9508\u94a2\u91d1\u5c5e\u8f6f\u7ba1\u5b89\u88c5\u8bf4\u660e\" alt=\"\" \/><\/a><\/div>\n<div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0a\u6d77\u6dde\u6c5f\u51cf\u9707\u5668\u96c6\u56e2\u6709\u9650\u516c\u53f8\u5b98\u65b9\u7f51\u7ad9\u4e3a\u60a8\u4ecb\u7ecd\uff1a\u3010\u4e2d\u82f1\u6587\u3011\u4e0d\u9508\u94a2\u91d1\u5c5e\u8f6f\u7ba1\u5b89\u88c5\u8bf4\u660e\u201c\u5168\u7403\u901a\u201d\u4fe1\u606f\uff0c\u6dde\u6c5f\u96c6\u56e2\u6280\u672f\u90e8\u4e3a\u60a8\u4ecb\u7ecd\uff1a\u4e0d\u9508\u94a2\u91d1\u5c5e\u8f6f\u7ba1\u5b89\u88c5\u7684\u5173\u952e\u56e0\u7d20\u6ce8\u610f\uff1a\u4e3a\u4e86\u83b7\u5f97\u826f\u597d\u7684\u6027\u80fd\u548c\u5ef6\u957f\u4f38\u7f29\u7f1d\u7684\u4f7f\u7528\u5bff\u547d\uff0c\u5fc5\u987b\u8003\u8651\u4ee5\u4e0b\u5efa\u8bae\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[65],"tags":[],"class_list":["post-1558","post","type-post","status-publish","format-standard","hentry","category-anzhuang"],"_links":{"self":[{"href":"http:\/\/www.songjiangjituan.com\/wp-json\/wp\/v2\/posts\/1558"}],"collection":[{"href":"http:\/\/www.songjiangjituan.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.songjiangjituan.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.songjiangjituan.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.songjiangjituan.com\/wp-json\/wp\/v2\/comments?post=1558"}],"version-history":[{"count":3,"href":"http:\/\/www.songjiangjituan.com\/wp-json\/wp\/v2\/posts\/1558\/revisions"}],"predecessor-version":[{"id":6201,"href":"http:\/\/www.songjiangjituan.com\/wp-json\/wp\/v2\/posts\/1558\/revisions\/6201"}],"wp:attachment":[{"href":"http:\/\/www.songjiangjituan.com\/wp-json\/wp\/v2\/media?parent=1558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.songjiangjituan.com\/wp-json\/wp\/v2\/categories?post=1558"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.songjiangjituan.com\/wp-json\/wp\/v2\/tags?post=1558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}