Visual grounding device for rail traffic

Abstract

The invention discloses a visual grounding device for rail traffic. The visual grounding device comprises a protective casing, a grounding operation device, a static-contact guiding device, a dynamic-contact guiding device and a fixed mounting bottom plate, wherein the grounding operation device is connected with the static-contact guiding device through a flexible cable; besides, the grounding operation device is connected with the dynamic-contact guiding device in a contactable manner through a contact blade; the static-contact guiding device is connected with a contact rail of the rail traffic through a cable; the dynamic-contact guiding device is connected with a running rail of the rail traffic through another cable; the grounding operation device has four functional modes: an electric mode, a locking mode, a manual mode and a remote mode; under each mode, the grounding device can be operated only through a specified method corresponding to the mode, and the grounding device cannot be operated through other methods. The visual grounding device disclosed by the invention is compact in structure, and convenient and reliable to operate; the visual grounding device has the following four functions: electric operation, manual operation, remote control and locking, and the four functions can be mutually locked, so that mal-operation can be effectively avoided, the electrical safety and reliability are improved, and the inspection and repair efficiency and the rush-repair efficiency are further improved.

Description

technical field [0001] The invention relates to a rail transit grounding device, in particular to a rail transit visual grounding device, and belongs to the technical field of rail transit. Background technique [0002] When the power supply system and other related systems along the urban rail transit line carry out normal maintenance or emergency repairs, the current international and domestic practice is to manually hang and remove the ground wire, except for the maintenance or emergency repair of power supply partitions. In addition to the power outage operation, workers are also required to manually hang the ground wire on the contact rail (positive pole) at the pit foundation site of the power supply zone. [0003] The procedure of manually hanging the ground wire is as follows: connect the ground wire of the electroscope to the running rail (negative pole) → contact the positive pole of the electroscope to the contact rail (positive pole) for electricity inspection → ...

AI Technical Summary

Problems solved by technology

[0004] On the one hand, the operation of hanging and removing the grounding wire is a relatively dangerous electrical operation. Once an accident occurs, the consequences will be serious and the impact will be great

[0005] On the other hand, for modern management, the personnel in the remote electric control room cannot take the initiative to understand the connection status of the grounding wire, and rely solely on workers' reports to judge, which is relatively unreliable. Aspects of reasons, the phenomenon of not hanging the ground wire, not hanging the ground wire according to the regulations, and missing the ground wire during power transmission occurs from time to time

[0006] Usually, it takes 60-80 minutes to complete complex operations such as power outage, power inspection, and ground wire installation in a power supply zone, which greatly affects the maintenance efficiency, especially in emergency repairs, which directly affects the efficiency of emergency repairs and the restoration of normal operation order

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