自鎖式管道內(nèi)封堵裝置結(jié)構(gòu)與封堵性能分析
[Abstract]:In order to improve the shortcoming of anti-sliding effect of the existing bag type sealing technology with pressure, a self-locking internal plugging device using connecting rod mechanism and thread self-locking is proposed. The structure and performance of the self-locking plugging and traditional plugging are discussed. The corrugated sealing airbag model and the smooth sealing airbag model are established, and the finite element simulation and experimental analysis are carried out. The different effects of two kinds of airbags were obtained under the condition of 0. 35 MPa. The results show that the plugging pressure of corrugated airbag is about 0.5 MPa, higher than that of traditional smooth sealing airbag, and the plugging ability of pipe plugging device is greatly improved, and the deformation of corrugated airbag is mainly dispersed in the middle of corrugation. It is helpful to alleviate the damage effect of concentrated deformation on airbag and improve the stability of plugging finally. The performance analysis of the device structure can provide reference for the development of emergency rescue equipment.
【作者單位】: 中北大學(xué)機(jī)械工程學(xué)院;
【基金】:山西省重點(diǎn)研發(fā)計(jì)劃社會(huì)發(fā)展資助項(xiàng)目(201603D321117)
【分類號(hào)】:TE973
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