卷揚式平門啟閉機選用指南
Guide for the selection of winch type flat door hoists
QPQ、QPK、QPT、QPG型啟閉機選用指南
Selection Guide for QPQ, QPK, QPT, QPG Type Hoists
本系列啟閉機可分為單吊點和雙吊點兩種，啟門為QPQ、PQT型為50KN~2500KN；QPK型為50KN~2500KN，供用戶選用。
This series of hoists can be divided into two types: single lifting point and double lifting point. The door opening is QPQ, and the PQT type is 50KN~2500KN; The QPK model is available from 50KN to 2500KN for users to choose from.
本系列產品型號說明
Product model description for this series
QPQ QPK QPG QPT系列產品的啟門力或持住力是按照GB/783－－65起重機械起重量系列規定優先系列選定。
The opening or holding force of the QPQ QPK QPG QPT series products is selected according to the priority series of GB/783-65 lifting machinery lifting capacity series regulations.
QPQ QPK QPG系列啟閉機不能做斜吊運行。
The QPQ QPK QPG series hoist cannot be operated with an inclined crane.
QPG QPK QPT QPG系列啟閉機的鋼絲繩采用6w（19）型，公稱抗拉強度1550－1700N/mm2。鋼絲繩隨機供應，常規每單機供40m。
The steel wire rope of QPG QPK QPT QPG series hoist adopts 6w (19) type, with a nominal tensile strength of 1550-1700N/mm2. Steel wire ropes are supplied randomly, with a conventional supply of 40m per unit.
啟閉機設有上下行程限位開關作保護運行。
The hoist is equipped with up and down travel limit switches for protection operation.
啟閉機的吊點中心距應按參數中規定的范圍內選擇正確數值。
The Centre-to-centre distance of the hoisting point of the hoist shall be the correct value within the range specified in the parameters.
啟閉機械強度按輕型工作級別計算，電動機按周期運行；若工作級別需提高，用戶應提出，然后更換啟閉機制造圖樣種類制造并供貨。
The mechanical strength of the opening and closing mechanism is calculated based on the light duty level, and the motor operates according to the cycle; If the work level needs to be improved, the user should propose and then replace the type of hoist manufacturing drawing for manufacturing and supply.