Point switch external locking mechanism for turnout switching

Abstract

The invention relates to the technical field of traffic and further discloses a point switch external locking mechanism for turnout switching. The locking mechanism comprises a locking rod, a lockinghook, switch rail connecting iron and a locking frame, wherein the locking hook is rotationally connected with a side surface of the switch rail connecting iron, the switch rail connecting iron and the locking frame are fixedly installed on a side surface of a switch rail and a side surface of a stock rail respectively, the locking rod is in sliding connection with the side surface of the lockinghook, and the locking iron is arranged on the side surface of the locking frame. The point switch external locking mechanism for turnout switching is advantaged in that the magnetizing device is arranged at different positions, the direction of current introduced into the electromagnet or the position state of the electromagnet is adjusted in a matching manner, a goal of changing the opposite endmagnetic poles of the magnetized main magnetic block or auxiliary magnetic block is achieved, the repulsive force between the main magnetic block and the auxiliary magnetic block is used for changingthe contact pressure of the locking rod and the lock hook, so stability of the locking rod and the lock hook after locking is improved, the friction force of the locking rod and the lock hook before locking is reduced, and abrasion of a contact surface of the locking rod and the lock hook is reduced.

Description

technical field [0001] The invention relates to the technical field of transportation, in particular to an external locking mechanism of a switch machine for switch conversion. Background technique [0002] The switch machine refers to the important signal infrastructure equipment used to reliably change the position of the turnout, change the opening direction of the turnout, lock the tip rail of the turnout, and reflect the position of the turnout. It can well ensure driving safety, improve transportation efficiency, and improve the safety of driving personnel labor intensity. The external locking device and installation device of the turnout conversion equipment are important technical equipment to ensure the speed increase and the safety of heavy-duty line transportation. The external locking device and the installation device realize the unlocking and locking of the switch through the traction of the electric switch machine. The external locking device directly locks ...

AI Technical Summary

Problems solved by technology

[0006] In view of the existing external locking mechanism proposed in the background technology, the locking rod and the locking hook wear a lot, the locking rod and the locking hook are not in close contact after locking, and the resistance of the locking rod is relatively large during the lock replacement process. In view of the shortcomings, the present invention provides a switch machine external locking mechanism for switch conversion, which has the functions of reducing the wear and tear of the locking rod and the locking hook, improving the stability between the locking rod and the locking hook after locking, and reducing the need for locking conversion. The advantage of the locking rod resistance during the process solves the instability of the locking rod and the locking hook caused by the wear gap between the locking rod and the locking hook caused by the wear of the locking rod and the locking hook after locking, which may cause the sharp rail and the The problem of the lack of close contact between the basic rails and the problem of large output power and low conversion efficiency during the conversion process of the locking lever

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