机械工程与自动化
機械工程與自動化
궤계공정여자동화
MECHANICAL ENGINEERING & AUTOMATION
2013年
2期
72-73
,共2页
长距离%带式输送机%满载%动态特性
長距離%帶式輸送機%滿載%動態特性
장거리%대식수송궤%만재%동태특성
long distance%belt conveyor%full load%dynamic characteristics
利用有限元分析法对某煤矿长壁工作面的大型带式输送机进行了动态模拟,分析了长距离带式输送机满载工况下输送带的动张力特性.通过分析得出:满载启动时,输送带松边与紧边的最大速度差为1畅374 m/s;启动过程中张紧装置的拉紧行程为8畅46 m ;输送带第151个离散单元的张力最大,为432畅91 kN ,张紧装置的最大张力不应大于432畅9 kN.
利用有限元分析法對某煤礦長壁工作麵的大型帶式輸送機進行瞭動態模擬,分析瞭長距離帶式輸送機滿載工況下輸送帶的動張力特性.通過分析得齣:滿載啟動時,輸送帶鬆邊與緊邊的最大速度差為1暢374 m/s;啟動過程中張緊裝置的拉緊行程為8暢46 m ;輸送帶第151箇離散單元的張力最大,為432暢91 kN ,張緊裝置的最大張力不應大于432暢9 kN.
이용유한원분석법대모매광장벽공작면적대형대식수송궤진행료동태모의,분석료장거리대식수송궤만재공황하수송대적동장력특성.통과분석득출:만재계동시,수송대송변여긴변적최대속도차위1창374 m/s;계동과정중장긴장치적랍긴행정위8창46 m ;수송대제151개리산단원적장력최대,위432창91 kN ,장긴장치적최대장력불응대우432창9 kN.
@@@@In this paper ,the dynamic simulation of a large belt conveyor is carried out by using finite element method ,which is used in a coal mine long wall face ,and the dynamic tension characteristic under the condition of full load is analyzed .The conclusion of the study are following :With the full load startup ,the maximum speed difference between conveyor belt loose side and compact side is 1 .374 m/s ,the displacement of the tension device is 8 .46 m ;The maximum tension in the 151th discrete unit is 432 .91 kN ,and the tension of the 600th unit is 68 .60 kN ,the maximum tension of the tension device should not be greater than 432 .9 kN .