Anchor rod
A technology of anchor rod and screw rod, which is applied in the direction of construction, sheet pile wall, foundation structure engineering, etc., can solve the problem of low anchor strength and achieve the effect of improving anchor strength
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[0041] see Figure 1-Figure 9 As shown, this embodiment provides an anchor rod, which includes a screw rod 1 and a casing 2; a first limiting hole 21 is opened on the peripheral wall of the casing 2, and a first blade is connected in the first limiting hole 21 3, and the first blade 3 protrudes from the inner peripheral surface of the sleeve 2, the screw 1 is inserted into the sleeve 2, and when the screw 1 moves inside the sleeve 2 along its axis direction, the screw 1 can push the first blade 3 It protrudes from the outer peripheral surface of the sleeve 2 through the first limiting hole 21 . That is, in this embodiment, the thickness of the first vane 3 along the radial direction of the sleeve 2 is greater than the diameter of the sleeve 2 .
[0042] When the anchor is in use, the sleeve 2 and the screw 1 are inserted together into the anchor hole on the wall, wherein, during the movement of the screw 1 in the sleeve 2 along its axis direction, the screw 1 and the first st...
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