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实用新型
CN203384191U 一种防震锤及其防松螺栓组件 有权

一种防震锤及其防松螺栓组件
摘要：
本实用新型公开了一种防松螺栓组件，包括螺栓和螺母，还包括设置于螺母的至少一个紧定螺钉，所述紧定螺钉由所述螺母的侧壁贯穿至螺纹孔，以限制螺母相对于螺栓沿背离于旋合方向的位移。当螺栓组件旋合至被连接件可靠固定后，将紧定螺钉旋入螺母的螺纹孔，以紧定螺钉的末端紧压螺栓。相比于现有技术，本实用新型通过设置于螺母的紧定螺钉，限制了螺母相对于螺栓沿背离于旋合方向的位移，防止了螺栓组件在交变外载荷作用下的松动，从而保证了被连接件可靠牢固的连接。在此基础上，本实用新型还提供一种包括上述防松螺栓组件的防震锤。
摘要（英）：

The utility model discloses a check bolt assembly, comprising a bolt, a nut and at least one set screw which is arranged in the nut, wherein the set screw penetrates through from the side wall of the nut to a threaded hole to limit the displacement, opposite to the screwing direction, of the nut relative to the bolt; after the bolt assembly is screwed to a connected piece and is reliably fixed, the set screw is screwed into the threaded hole of the nut to press the bolt by the tail end of the set screw. Compared with the prior art, the displacement, opposite to the screwing direction, of the nut relative to the bolt is limited by the set screw arranged in the nut, the bolt assembly is prevented from being loosened under the alternating external load effect, and thus the reliable and firm connection of the connected piece is ensured; on the basis, the utility model also provides a shockproof hammer comprising the check bolt assembly.

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