Car lifting jack maintenance system

A technology of hoisting machine and car body, which is applied to lifting frames, lifting devices, railway auxiliary equipment, etc., can solve the problems of incompatibility with new models of EMUs, affecting the normal operation of EMUs, and long construction period, and saving reconstruction. Cost, shortened construction period, easy to transform effect

Pending Publication Date: 2020-07-03
BEIJING RAILWAY INST OF MECHANICAL & ELECTRICAL ENG
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Problems solved by technology

[0004] The problem existing in the maintenance system of the existing trolley locomotive is that once a new type of EMU is added, its wheelbase, fixed distance, vehicle length and other parameters are different from those of the existing EMU, and the existing trolley locomotive maintenance system cannot be compatible with the new model It is necessary to change the parameters such as the length of the bogie lifting device, and even excavate the ground between the foundation pits to meet the needs of new models. normal operation

Method used

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Embodiment Construction

[0030] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only the technical solutions of the present invention. Some, but not all, embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

[0031] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describin...

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Abstract

The invention relates to the field of motor train unit maintenance, and discloses a car lifting jack maintenance system. The car lifting jack overhauling system comprises a through type foundation pit; a bogie lifting device, a car body lifting device and a transition supporting device are arranged in the through type foundation pit; the bogie lifting device comprises a lifting rail; the transition supporting device comprises a fixed rail; and the lifting rail and the fixed rail can form a continuous rail for a to-be-overhauled motor train unit to walk. When the system adapts to a new motor train unit model, only the bogie lifting device and the transition supporting device need to be disassembled, and new parameters are designed according to the new vehicle type for assembly. The system is easy to transform, can be compatible with new vehicle types, and has a wide application range. Due to the fact that the through type foundation pit is a whole foundation pit, a civil foundation between original foundation pits does not need to be excavated, damage to electrical connection lines between the original foundation pits is avoided, the reconstruction cost is saved, and the construction period is shortened.

Description

technical field [0001] The invention relates to the field of inspection and maintenance of EMUs, in particular to a system for inspection and maintenance of locomotives. Background technique [0002] In the operation of the EMU, in order to ensure the safe operation of the EMU, the EMU has a certain maintenance cycle. After the EMU reaches the specified operating mileage, the bogie needs to be replaced and repaired. At this time, the entire EMU needs to be lifted. Raise to a suitable height, remove the bogie, and the repaired bogie needs to be reinstalled to the EMU. This operation requires the use of a crane. [0003] When designing the maintenance system of the pit-type vehicle crane used for the maintenance of the existing EMU, it is usually based on parameters such as the wheelbase, fixed distance, and vehicle length of the operating vehicle to set up multiple independent foundation pits of different sizes. Set up single or multiple bogie lifting devices. There are mult...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61K13/00B66F7/00B66F7/28
CPCB61K13/00B66F7/00B66F7/28
Inventor 黎莎喻贵忠
Owner BEIJING RAILWAY INST OF MECHANICAL & ELECTRICAL ENG
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