Sleeve assembly capable of improvinganti-shearing performance of anchor rod and anchor rod comprising sleeve assembly
一种锚杆、套筒的技术,应用在安装锚杆、采矿设备、土方钻采等方向,能够解决支护成本高、影响巷道支护效果巷道掘进施工速度、巷道支护安全性难以得到保证等问题,达到提高支护质量、减少工人体力劳动、减少成本的效果
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[0022] Example 1, such as Figure 1-Figure 2 As shown, a sleeve assembly for improving the shear resistance performance of the anchor rod, the sleeve assembly includes a sleeve 2, and the sleeve 2 is sleeved on the outside of the anchor rod body 1 and is located inside the tray 4 of the anchor rod end, an O-ring 3 for fixing the position of the sleeve 2 is set between the sleeve 2 and the anchor rod body 1; the sleeve assembly also includes a ball pad 5, a plastic Washer 6, iron gasket 7, the outer end of the iron gasket 7 is provided with a fixed damping nut 8.
[0023] As a preference, the length of the sleeve 2 is 100-1000mm, and the pipe wall of the sleeve 2 is 2.5-3mm; the inner diameter of the sleeve 2 is 6-8mm larger than the diameter of the bolt body 1, and the sleeve 2 The wire diameter of the inner O-ring 3 is 2.5mm.
[0024] As a preference, the specification model of the ball pad 5 is φ50mm×φ25mm×13mm.
[0025] An anchor with shear resistance, comprising an anch...
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