Novel high-strength anchorage device

Abstract

The invention provides a novel high-strength anchorage device which comprises an anchorage cup, prestressed steel wires and a wire separation board. The novel high-strength anchorage device is characterized in that the wire separation board is arranged in the anchorage cup, and the prestressed steel wires penetrate through the anchorage cup and the wire separation board and are fixed to the end face of the wire separation board. The taper of a first taper hole of the anchorage cup is between 0.1 and 0.2, the taper of a second taper hole is between 0.2 and 0.3, the second taper hole adopts thetaper larger than that of the first taper hole, more stress of the wire separation board is converted into axial stress, axial force bearing is further facilitated, the stress stability of the anchorage device is improved, and deformation of the anchorage cup is reduced. The taper of the outer surface of a wire separation board body is identical to that of the large taper hole of the anchorage cup, the ratio of the radius of curvature of a groove to the radius of the wire separation board body is 1:1, the stress on the wire separation board is even, steel wire holes point at the peak of the first taper hole of the anchorage cup, and shearing damage of the wire separation board to the steel wires is reduced. The strength of the anchorage device is improved, the service life of the anchoragedevice is prolonged, practicability is high, popularization is easy, and economic benefits are good.

Description

technical field [0001] The invention relates to a prestressed anchor, in particular to a novel high-strength anchor. Background technique [0002] Prestressed anchors are widely used in bridges, buildings and other fields. However, the steel wire holes on the commonly used anchorage wire splitter boards are all perpendicular to the surface of the splitter wire boards, so that the wire splitters cause cutting damage to the steel wires and reduce the anchorage. The load-bearing capacity of the tool, and most of the splitter boards are flat structures, so that the stress on the splitter board is uneven, and the force on the central part is the largest. When used under heavy loads, cracks are prone to damage, and the anchor cups of the current anchorage are all If the same taper is used, the radial component force will be larger, which will easily cause the radial deformation of the anchor cup. Therefore, it is necessary to design a high-strength prestressed anchor. Contents o...

AI Technical Summary

Problems solved by technology

[0002] Prestressed anchors are widely used in bridges, buildings and other fields. However, the steel wire holes on the wire splitter plates commonly used at present are all perpendicular to the surface of the splitter wire boards, which makes the splitter boards cause cutting damage to the steel wires and reduces the anchorage. The load-bearing capacity of the tool, and most of the splitter boards are flat structures, so that the stress on the splitter board is uneven, and the force on the central part is the largest. When used under heavy loads, cracks are prone to damage, and the anchor cups of the current anchorage are all With the same taper, the radial component force is large, which is easy to cause radial deformation of the anchor cup. Therefore, it is necessary to design a high-strength prestressed anchor.

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