Upper platform far-end overload alarm device for overhead line system operation vehicle

Abstract

The utility model belongs to the field of railways, and relates to a maintenance operation vehicle, in particular to an upper platform far-end overload alarm device for a contact network operation vehicle, which comprises a photoelectric switch mounted on a stand column and a reflecting plate mounted below the middle part of a maintenance platform, the audible and visual alarm is used for being installed on the maintenance platform, the audible and visual alarm is used for being installed in a cab, the power source is used for supplying energy, and the power source, the audible and visual alarm, the audible and visual alarm and the optoelectronic switch are sequentially connected in series from the power source. According to the utility model, when the deformation limit of the set maintenance platform is reached, the audible and visual alarm can make a sound to remind a maintainer to pay attention to the position of the maintainer.

Description

Technical Field

[0001] The utility model belongs to the field of railways and relates to a maintenance operation vehicle, in particular to an upper platform remote overload alarm device for a contact network operation vehicle. Background Art

[0002] The overhead line operation vehicle is generally mounted on a train, on which an upper platform (maintenance platform) is mounted. When performing maintenance work, maintenance personnel stand on the maintenance platform to inspect and repair other overhead line equipment. A column is fixedly connected to the bottom of one end of the maintenance platform, and the column is installed above the overhead line operation vehicle. The other end of the maintenance platform is used to overlap with other platforms and mechanisms. However, in many operating situations, the maintenance platform is supported only by the column. If the end away from the column is subject to excessive gravity, the maintenance platform will be deformed. If this deformation exceeds the elastic deformation limit of the maintenance platform itself, it will cause plastic deformation. After the maintenance platform is plastically deformed, there will be hidden dangers to equipment quality and safety during the operation process. However, when the maintenance personnel are performing maintenance work, they have no time to pay attention to their own position, or notice that the maintenance platform has reached the elastic deformation limit. Therefore, there is an urgent need for a maintenance platform deformation degree monitoring and alarm device that can remind the maintenance personnel to adjust their own position in time. Utility Model Content

[0003] In view of the above problems, the utility model provides an upper platform remote overload alarm device for a contact network operation vehicle.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is a remote overload alarm device for an upper platform for a contact network operation vehicle, including a photoelectric switch for installation on a column, a reflector for installation at the lower middle part of the maintenance platform, and also includes an audible and visual alarm for installation on the maintenance platform and in the cab, and a power supply for energy supply. Starting from the power supply, the power supply, the audible and visual alarm, the audible and visual alarm, and the photoelectric switch are connected in series in sequence.

[0005] Compared with the prior art, the advantages and positive effects of the utility model are:

[0006] The utility model can emit a sound through the sound and light alarm when the set deformation limit of the maintenance platform is reached, so as to remind the maintenance personnel to pay attention to their own standing positions.

[0007] The utility model has the advantages of simple structure, strong practicability, easy maintenance and is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor.

[0009] Figure 1 This is a schematic diagram of the installation position of the photoelectric switch and reflector on the column and maintenance platform;

[0010] Figure 2 It is a schematic diagram of a series circuit of the utility model.

[0011] In the above figures, 1. column; 2. maintenance platform; 3. photoelectric switch; 4. reflector; 5. sound and light alarm; 6. power supply. DETAILED DESCRIPTION

[0012] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0013] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0014] Example 1

[0015] like Figure 1 , Figure 2 As shown, a remote overload alarm device for an upper platform of a contact network operation vehicle is provided. In order to provide a device capable of reminding maintenance personnel that the deformation of the maintenance platform 2 has reached a preset limit value, the utility model comprises a photoelectric switch 3 for installation on a column 1, a reflector 4 for installation at the lower middle part of the maintenance platform 2, an audible and visual alarm 5 for installation on the maintenance platform 2 and in the cab, and a power supply 6 for supplying energy. Starting from the power supply 6, the power supply 6, the audible and visual alarm 5, the audible and visual alarm 5, and the photoelectric switch 3 are connected in series in sequence.

[0016] Specifically, during installation, the horizontal height of the photoelectric switch 3 is set to d1, and the horizontal height of the reflector 4 is set to d2. The height relationship between the two is: d2-d1=Δd, Δd>0. When the maintenance platform 2 is deformed, the part of the maintenance platform 2 away from the column 1 will drop, driving the reflector 4 to drop, that is, d2 decreases. When Δd=0, the photoelectric switch 3 can detect the reflector 4, so as to reconnect the disconnected series circuit, so that the sound and light alarm 5 emits an alarm sound and flashes lights to remind the maintenance personnel on the maintenance platform 2. At the same time, the sound and light alarm 5 in the cab can remind the train driver.

[0017] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An upper platform remote overload alarm device for a contact network operation vehicle, characterized in that: It includes a photoelectric switch for installation on a column, a reflector for installation at the lower middle part of the maintenance platform, an audible and visual alarm for installation on the maintenance platform and in the cab, and a power supply for energy supply. Starting from the power supply, the power supply, the audible and visual alarm, the audible and visual alarm, and the photoelectric switch are connected in series in sequence.

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