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关于滑轮、卷筒钢丝绳防脱槽(跳槽)装置设置及间隙要求探讨

  • 2026-05-08 06:00:13
关于滑轮、卷筒钢丝绳防脱槽(跳槽)装置设置及间隙要求探讨

《建筑施工塔式起重机安装、使用、拆卸安全技术规程》（JGJ196-2010）

第6.3.5条，明确要求滑轮均需设置钢丝绳防脱装置。

《起重机安全规程 第1部分：总则》（GB 6067.1-2010）

第4.2.5.1条：滑轮应有防止钢丝绳跳出轮槽的装置或结构。在滑轮罩的侧板和圆弧顶板等处与滑轮本身的间隙不应超过钢丝绳公称直径的0.5倍。

《塔式起重机安全规程》（GB/T 5144-2006）

第6.6条：滑轮、起升卷筒及动臂变幅卷筒均应设有钢丝绳防脱装置,该装置与滑轮或卷筒侧板最外缘的间隙不应超过钢丝绳直径的20%。

《汽车起重机》（JB/T9738-2015） 
第4.6.7.5滑轮上应配备防置钢丝绳脱槽的保护装置，间隙不能超出钢丝绳直径的1/3且最大不超10mm。
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  1. CONNECT:[ UseTime:0.000929s ] mysql:host=127.0.0.1;port=3306;dbname=g_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001585s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000737s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.002302s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001524s ]
  6. SELECT * FROM `set` [ RunTime:0.001573s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001515s ]
  8. SELECT * FROM `article` WHERE `id` = 480301 LIMIT 1 [ RunTime:0.000897s ]
  9. UPDATE `article` SET `lasttime` = 1778896947 WHERE `id` = 480301 [ RunTime:0.006126s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000620s ]
  11. SELECT * FROM `article` WHERE `id` < 480301 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001129s ]
  12. SELECT * FROM `article` WHERE `id` > 480301 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001113s ]
  13. SELECT * FROM `article` WHERE `id` < 480301 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.008423s ]
  14. SELECT * FROM `article` WHERE `id` < 480301 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.006233s ]
  15. SELECT * FROM `article` WHERE `id` < 480301 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.005367s ]
0.136213s