Torsional shear type self-locking high-strength one-way bolt connecting pair and using method thereof
A one-way bolt and self-locking technology, which is applied in the direction of bolts, connecting members, nuts, etc., can solve the problems of weakening the structural section and opening connection holes in the closed section, so as to reduce the complicated process, ensure the connection quality, and predict Stress Intuitive Effects
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[0020] Such as Figure 1~3 As shown, a torsion shear type self-locking high-strength one-way bolt connection pair includes torsion shear type bolt rod 1, sleeve 2, nut 3, flat washer 4 and spring washer 5; one end of the torsion shear type bolt rod 1 is provided There is a torsion shear groove 6, and the other end is provided with a tapered bottom 7; one end of the casing 2 is provided with a slot 8; the maximum diameter of the tapered bottom 7 is smaller than the outer diameter of the casing 2; The gasket 4 and the sleeve 2 are manufactured integrally.
[0021] The use method of the above torsion shear type self-locking high-strength one-way bolt connection pair includes the following steps:
[0022] 1) According to the design requirements of the bearing capacity and the connection aperture of the steel plate 10 to be connected, the torsion shear type self-locking high-strength one-way bolt connection pair of the corresponding strength level, diameter and length is selected;
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