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首页> 外文会议>Conference on ground-based and airborne telescopes VI >Customized overhead cranes for installation of India's largest 3.6m optical telescope at Devasthal, Nainital, India
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Customized overhead cranes for installation of India's largest 3.6m optical telescope at Devasthal, Nainital, India

机译：定制的桥式起重机，用于在印度奈尼塔尔的德瓦斯塔尔安装印度最大的3.6m光学望远镜

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India's largest 3.6 m aperture optical telescope facility has been recently established at Devasthal site by Aryabhatta Research Institute of Observation Sciences (ARIES), an autonomous Institute under Department of Science and Technology, Government of India. The telescope is equipped with active optics and it is designed to be used for seeing-limited observations at visible and near-infrared wavelengths. A steel building with rotating cylindrical steel Dome was erected to house 3.6m telescope and its accessories at hilltop of Devasthal site. Customized cranes were essentially required inside the building as there were space constraints around the telescope building for operating big external heavy duty cranes from outside, transportation constraints in route for bringing heavy weight cranes, altitude of observatory, and sharp bends etc. to site. To meet the challenge of telescope installation from inside the telescope building by lifting components through its hatch, two Single Girder cranes and two Under Slung cranes of 10 MT capacity each were specifically designed and developed. All the four overhead cranes were custom built to achieve the goal of handling telescope mirror and its various components during installation and assembly. Overhead cranes were installed in limited available space inside the building and tested as per IS 3177. Cranes were equipped with many features like VVVFD compatibility, provision for tandem operation, digital load display, anti-collision mechanism, electrical interlocks, radio remote, low hook height and compact carriage etc. for telescope integration at site.
机译：最近，印度政府科学技术部下属的自治研究所Aryabhatta观测科学研究所（ARIES）在Devasthal地点建立了印度最大的3.6 m孔径光学望远镜设施。该望远镜配备有源光学元件，设计用于在可见光和近红外波长下进行有限的观察。在Devasthal站点的山顶上竖起了一座带有旋转圆柱钢质圆顶的钢结构房屋，用于容纳3.6m望远镜及其附件。建筑物内部本质上需要定制起重机，因为望远镜建筑物周围空间有限，无法从外部操作大型外部重型起重机，携带重型起重机的路线运输限制，天文台的高度和急弯处等。为了通过在望远镜大楼内通过舱口提升组件来应对望远镜安装带来的挑战，分别设计并开发了两台单梁起重机和两台10 MT容量的Under Slung起重机。所有四台桥式起重机都是定制制造的，以达到在安装和装配过程中处理望远镜镜及其各个组件的目的。高架起重机安装在建筑物内有限的可用空间中，并根据IS 3177进行了测试。起重机具有许多功能，例如VVVFD兼容性，可串联运行，数字负载显示，防撞装置，电气联锁，无线电遥控，低钩高度和紧凑的托架等，用于现场集成望远镜。

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