Tool clamping piece anchor withdrawing device and anchor withdrawing method: Fid-Bau Portal

Tool clamping piece anchor withdrawing device and anchor withdrawing method

ZHANG ZHIWEI / SU BINGJIAN / LUO JIANBO

The invention provides a tool clamping piece anchor withdrawing device and an anchor withdrawing method, and belongs to the field of anchors. The tool clamping piece anchor withdrawing device comprises a bottom plate and a side plate, wherein a center-penetrating alignment hole is formed in the bottom plate; the side plate is fixedly connected with the bottom plate; an observation hole is formed in the side plate; and an opening is formed in the side plate. The construction efficiency can be improved, and a plurality of anchor cable tool clamping pieces of a porous tool anchor can be conveniently and safely removed one by one. According to the anchor withdrawing method, a piston is ejected out by a certain length in a mode of starting a center-penetrating front clamping type jack in advance, so that the problem that the tool clamping pieces of the jack cannot be removed due to insufficient stroke of the jack in the anchor withdrawing and oil returning process is solved.

本发明提供了一种工具夹片退锚器及退锚方法，属于锚具领域，包括底板和侧板；所述底板上设置有穿心对位孔；所述侧板与所述底板固定连接，所述侧板上设置有观察孔；所述侧板上设置有开口。能够提高施工效率，方便安全地将多孔工具锚具多束锚索工具夹片逐一卸除。其中退锚方法通过事先启动穿心前卡式千斤顶的方式使活塞顶出一定长度，以解决退锚回油过程中千斤顶行程不足而导致千斤顶工具夹片无法卸除的问题。

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