Self-locking fixing device for train track, which is convenient to confirm whether loosening occurs

Abstract

The utility model discloses a self-locking fixing device for a train track, which is convenient to confirm whether loosening occurs. The device comprises a bolt, self-locking grooves, first barbs, a mounting nut, a spring, a push rod, a fixing nut, a clamping block, second barbs, a lower ejection block, an upper ejection block, a fixing nail, an alarm ring, a movable block I, an annular pipe and amovable block II, the self-locking grooves are formed in the periphery of the bolt, the inner walls of each self-locking grooves are fixedly connected with the first barbs, the outer side of the boltis in threaded connection with the fixing nut, and the inner bottom wall of the fixing nut is fixedly connected with the second barbs. The self-locking fixing device for the train track is convenientto confirm whether the fixing device is loosened or not; through cooperative use of the push rod and the clamping block, after the fixing nut is screwed down, the push rod is pushed, the clamping block stretches out of the fixing nut and is connected with the first barbs in a clamped mode, the fixing nut and the bolt are relatively fixed, and therefore the self-locking effect is achieved, the fixing device is effectively prevented from loosening due to vibration, and the safety of the rail is improved.

Description

technical field [0001] The invention relates to the technical field of a fixing device for a train track, in particular to a fixing device for a train track that can be self-locked and is easy to confirm whether it is loose. Background technique [0002] Most of the current train tracks are fixedly installed on the sleepers through the threaded connection of bolts and nuts. However, because the train will vibrate when running on the track, most of the present bolts and nuts do not have self-locking structures, resulting in nuts and bolts. Loosening often occurs, and when the bolts and nuts are loose, it is difficult to detect, and there is no reminder device. Therefore, we propose a train track fixing device that can be self-locked and is easy to confirm whether it is loose to solve the above problems. Contents of the invention [0003] The present invention adopts the following technical solutions to achieve the technical purpose: a train rail fixing device that can be se...

AI Technical Summary

Problems solved by technology

[0002] Most of the current train tracks are fixedly installed on the sleepers through the threaded connection of bolts and nuts. However, because the train will vibrate when running on the track, most of the present bolts and nuts do not have self-locking structures, resulting in nuts and bolts. Looseness often occurs, and when the bolts and nuts are loose, it is difficult to detect, and there is no reminder device, so we propose a train track fixing device that can be self-locking and easy to confirm whether it is loose to solve the above problems

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