国产免费久久精品国产传媒,张栢芝被柔到高潮下不了床,国产午夜精品一区二区三区,亚洲av无码一区二区三区观看

Welcome to the official website of Suzhou Sutong special cold drawn steel Co., Ltd!
Ch En
Your location: Home > Information Dynamics > Industry trends

What is the bearing capacity of elevator guide rail components

Source:m.laowuboy.com      Release date: 2025年01月13日
Information summary:The load-bearing capacity of elevator guide rail components is relatively good, which is closely related to their design, material, and installation method: 1. Design bearing capacity The elevator guide rail is a track installed vertically along the elevator shaft, mainly used to provide correct guidance for the car and counterweight, and to withstand various loads applied by both. Accordi
The load-bearing capacity of elevator guide rail components is relatively good, which is closely related to their design, material, and installation method:
1. Design bearing capacity
      The elevator guide rail is a track installed vertically along the elevator shaft, mainly used to provide correct guidance for the car and counterweight, and to withstand various loads applied by both. According to standard design, common elevator guide rails can withstand vertical forces of several tons or even tens of tons. For example, in a passenger elevator system with a rated load capacity of 1000kg, the guide rails must stably withstand the self weight of the car, the full load of passengers, and the dynamic impact force generated during elevator operation, totaling several tons, to ensure smooth lifting and lowering of the car.
      From a horizontal perspective, the guide rail can resist lateral forces caused by factors such as installation errors of the guide rail, uneven rope tension, and airflow during the operation of the car and counterweight, avoiding shaking and deviation of the car, maintaining the correctness and comfort of operation. Generally, the horizontal load-bearing design can also cope with lateral forces of several hundred kilograms.
2. Material influence
      Steel material: Most elevator guide rails are made of high-quality carbon steel or low-alloy steel. This type of steel has high strength and good toughness, with a yield strength generally above 300MPa. After processing through rolling, quenching and other processes, its hardness and wear resistance are improved, while its bearing capacity is further enhanced. Taking the T89 model guide rail as an example, it is made of high-strength steel, which is not prone to plastic deformation even when subjected to large vertical and horizontal loads for a long time, and is solid and reliable.
      Surface treatment: Some guide rails will undergo surface treatments such as galvanizing and bluing. Although surface treatment does not directly improve the bearing capacity, it can prevent the guide rails from rusting and corroding, maintain the inherent bearing performance of the steel for a long time, and ensure the bearing stability during the service life.
3. Installation guarantee
      Installation accuracy: When installing elevator guide rails, high verticality and parallelism are required, and the error is strictly controlled within millimeters. Proper installation ensures that the weight of the elevator car and counterweight is evenly distributed on each guide rail, avoiding local overload and fully utilizing the overall load-bearing capacity of the guide rail group.
      Fixed method: The guide rail is firmly fixed to the elevator shaft wall through brackets, pressure guide plates, and other components, with a stable connection at intervals of 1.5-2.5 meters. It efficiently transfers the load of the car and counterweight to the building structure, assists the guide rail in bearing the load, and ensures that the entire system will not loosen or slide even during long-term operation and frequent starting and stopping, continuously maintaining a high load-bearing level.
欧美大屁股喷潮水xxxx| 乱码丰满人妻一二三区麻豆 | 精品无码成人片一区二区98| 精品香蕉一区二区三区| 日韩av无码| 国产精品亚洲一区二区久久| 免费国产AV在线观看| 我的世界珍妮视频完整版在线观看| 两根一起进去疼拔出来| 哪里可以看一路向西| 主人野外羞耻调教贱奴| 伊人久久大香线蕉亚洲 | 少妇又紧又深又湿又爽视频| 99精品人妻无码专区在线视频区| 黑人与白人做爰 magnet| 色欲av亚洲情无码av蜜桃| 久久久久亚洲av成人网人人网站 | 亚洲 欧美 叧类人妖| 女人被强╳到高潮喷水在线观看| 亚洲一区二区三区 无码| 13小男生gay自慰脱裤子| 国产裸模视频免费区无码| 久久精品国产一区二区三| 国产午夜福利片| 双腿间已经湿成一片| 手机在线看片| 差差漫画免费看入口弹窗页面| 久久精品一区二区三区四区| 人妻AV一区二区三区精品| 国产97色在线 | 亚洲| 少妇柔佳第一次| 少妇人妻偷人精品无码视频| 性色AV一区二区三区咪爱四虎| 国精产品一码二码三m| 我的初次内射欧美成人影视| 精品黑人一区二区三区| 久久国产热精品波多野结衣AV| 婷婷成人综合激情在线视频播放 | 欧美牲交a欧牲交aⅴ久久| a片大全| 一个人www在线观看免费资源|