锚杆预应力控制自锁锁具

Anchor rod prestress controlled self-locking lockset

Abstract

The invention discloses an anchor rod pre-stressing control self-locking lockset, comprising a pre-stressing mark lockset, a pin, a lock sleeve and a nut. The anchor rod pre-stressing control self-locking lockset is characterized in that the pre-stressing mark lockset is arranged in the lock sleeve; the pre-stressing mark lockset and the lock sleeve are connected into a whole by the pin; the pre-stressing mark lockset is a hollow cone with a contraction joint on one end; the internal of the lock sleeve is provided with a conical hollow cavity; and cone-top angles of the pre-stressing mark lockset and the lock sleeve are the same. The lockset has the advantages of simple structure and low cost, and is applicable to anchor rod support of rock tunnels, roadways and chambers in high field stress areas.
本发明公开了一种锚杆预应力控制自锁锁具,它包括预应力标示锁具、销钉、锁套、螺母,其特征在于:预应力标示锁具放置在锁套内,通过销钉将预应力标示锁具和锁套连接成为一整体,预应力标示锁具是一端开有缩缝的中空圆台,锁套的内部是一圆锥型空腔,预应力标示锁具和锁套的锥顶角度相同。该装置结构简单、价格低廉,适用于高地应力区岩石隧道、巷道和硐室的锚杆支护。

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Cited By (2)

    Publication numberPublication dateAssigneeTitle
    CN-103343696-AOctober 09, 2013天地科技股份有限公司用于锚索支护结构的锚塞推动装置及该锚索支护结构
    CN-104594928-AMay 06, 2015中国矿业大学一种四维支护大变形锚杆