Rail car battery trolley self-locking device

Abstract

The invention specifically provides a storage battery dolly self-lock device of a track car, and solves problems that a storage battery case cover door of an existing track car is easy to break, a storage battery group is easy to damage, and a storage battery power supply circuit is easy to break to threaten traffic safety when the existing track car is running. A base plate of a storage battery case is provided with an interlocking support which is provided with a vertical jack. A storage battery dolly is fixedly provided with an interlocking sleeve. The right side wall of the interlocking sleeve is provided with a vertical location moving locking groove. The front wall of the interlocking sleeve is provided with a vertical location moving unlocking groove. A cross sliping groove is arranged between the vertical location moving locking groove and the vertical location moving unlocking groove. The interlocking sleeve is internally provided with a bolt inserting into the jack. The upper end of the bolt is provided with a rotary rod which is integrated with the bolt and is arranged horizontally. A zinc cotter pin is sleeved on the bolt. The lower side of the zinc cotter pin is provided with a zinc flat washer which is sleeved on the bolt. A spring sleeved on the bolt is arranged between the zinc flat washer and the bottom of the storage battery dolly. The device realizes positioning and moving, and oriented locking of the storage battery dolly.

Description

technical field [0001] The invention relates to a self-locking device for a rail car, in particular to a self-locking device for a battery trolley of a rail car. Background technique [0002] The battery pack provides power for the start of the rail car diesel engine, and is also the power source for the normal operation of the control circuit, excitation circuit, auxiliary and lighting circuits. [0003] The way of installing the battery group on the bottom of the existing rail car is to put the battery group on the battery trolley in the battery box, and move the battery trolley into the battery box on the bottom plate slide rail of the battery box through its bottom wheels, and cover the battery box. The box cover door should be locked; open the battery box cover door, and the wheels of the battery trolley will slide along the slide rails, so that the battery trolley can be pulled out freely for maintenance and replacement; The door of the battery box is broken, the batt...

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a self-locking device for a battery trolley of a rail car in order to solve the problems that the battery box cover door is easily broken, the battery pack is easily damaged, and the battery supply circuit is easily disconnected to threaten driving safety when the existing rail car is running.

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