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Grouting and Grouting-stopping anchor cable inside hole

A technology for grouting anchor cables and grouting, which is applied in the installation of anchor rods, sheet pile walls, mining equipment, etc., can solve problems such as impossible to be very strict, and achieve the effect of improving the effect, avoiding the leakage of grouting, and achieving high quality.

Active Publication Date: 2012-10-03
济南澳科矿山工程技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is not possible to use it to seal the internal and external gaps between the steel wires of the anchor cable strands.
In addition, it is suitable for wearing multi-strand steel strands, not suitable for coal mine roadway support

Method used

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  • Grouting and Grouting-stopping anchor cable inside hole
  • Grouting and Grouting-stopping anchor cable inside hole

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] The present invention will be further described below in conjunction with drawings and embodiments.

[0015] exist figure 1 , 2 The structure of the grouting anchor cable in the hole of the present invention is shown in . The grouting anchor cable is composed of a hollow anchor cable body 9, an anchor cable anchorage 1, a tray 2, a grout stop component in a hole, a rigid core pipe 10, and the like. The anti-slurry assembly in the hole is composed of an inner casing 8, an outer casing 7, a tight hoop metal pipe 6, an elastic casing 5 and a hard casing 4.

[0016] The hard casing 4, the elastic casing 5, and the outer casing 7 are connected end-to-end from bottom to top and are sequentially sleeved on the hollow anchor cable body 9. The lower end of the hard casing 4 is pushed against the top of the tray 2 . Tightening metal tube 6, inner casing 8 and outer casing 7 have the same length, and are located on the same position of the anchor cable body; tightening metal t...

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Abstract

The invention discloses a grouting and grouting-stopping anchor cable inside a hole. The grouting and grouting-stopping anchor cable comprises an anchor cable body, a cable anchor body, a tray, a grouting-stopping assembly inside a hole and a rigid core tube. The grouting-stopping assembly inside the hole comprises an inner sleeve, an outer sleeve, a tightening metal tube, an elastic sleeve and a hard sleeve. The hard sleeve, the elastic sleeve and the outer sleeve are connected in an end-to-end manner and sleeved on the cable anchor body in sequence. The lower end of the hard sleeve is fixed against the tray. The tightening metal tube, the inner and outer sleeves are arranged on the same position of the cable anchor body; the tightening metal tube is sleeved on the outer sleeve, and the inner sleeve is sleeved on the rigid core tube; and the inner and outer sleeves are hoses, tightened by the tightening metal tube, and plugged in inner and outer seams of a cable anchor body steel wire. The anchor cable can seal the hole at any drilling position, so that the hole is sealed firmly and the slurry can be prevented from leaking from the cracks around the hole, thus improving the grouting effects; the anchor cable has a simple structure and is convenient to install. The grouting and grouting-stopping anchor cable inside the hole not only can be used for a mineral hollow grouting anchor cable to seal a hole and stop grouting, but also can be used for a hollow threaded grouting anchor rod to seal a hole and stop grouting, and a common anchor cable / anchor rod to plug water.

Description

technical field [0001] The invention relates to the technical field of mine shaft roadway support and rock-soil anchorage, in particular to a kind of project such as mine shaft roadway, tunnel, slope, etc., which uses hollow anchor cables to block and stop grouting in boreholes to prevent grout from flowing through the orifice. Grouting and grouting anchor cables in holes leaking from cracks. Its anti-grouting structure can also be used for grouting in holes during grouting of hollow bolts, and for hole sealing and water blocking of ordinary anchor cables / bolts. Background technique [0002] At present, anchoring and grouting support technology is widely used at home and abroad to strengthen geotechnical engineering such as mine shafts, tunnels and slopes. During construction, hollow grouting anchor cables / bolts generally use hollow conical rubber plugs or wound veils, hemp ropes, etc. for sealing and grouting. This method of sealing holes is very effective when the boreho...

Claims

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Application Information

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IPC IPC(8): E21D21/00E02D5/74
Inventor 蒋敬平修作量宋晓红
Owner 济南澳科矿山工程技术有限公司
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