Grounding device applied to mobile contact network

Abstract

The utility model relates to a grounding device applied to a mobile contact network. The grounding device comprises a diversion contact part, a telescopic diversion mechanism and an adsorption structure, the flow guide contact part is directly or indirectly arranged on a cantilever device in the mobile overhead line system, and the telescopic flow guide mechanism can stretch out or retract in the axial direction of the telescopic flow guide mechanism; the cantilever device can drive the diversion contact part to be switched between a working position and a non-working position; and the flow guide contact part rotating along with the cantilever device is in contact with the telescopic flow guide mechanism by directly or indirectly utilizing the adsorption structure in part of time. When the mobile contact network is turned to the side of a railway, the grounding device can effectively directly or indirectly communicate the mobile contact network with the ground. In the loading and unloading or maintenance operation process, safety guarantee is provided for workers located below or around the overhead line system.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the electrified railway equipment grounding technical field, concretely relates to a grounding device applied to the mobile contact net. BACKGROUND

[0002] The mobile contact net of the electrified railway freight station has various functions, and provides a solid guarantee for the efficient, safe and smooth railway freight. It can not only improve the operation efficiency and reduce the operation cost, but also plays a key role in ensuring the safety and smoothness of railway freight. With the continuous progress of science and technology, the mobile contact net will play a more important role in the field of railway freight, and promote the development of railway freight in a more efficient, intelligent and environmentally friendly direction.

[0003] In the working state of the wrist arm above the railway, the freight train can obtain power from the contact net hung on the wrist arm, and the train can freely enter or exit the freight station. However, when the wrist arm turns to the side of the railway, the mobile contact net will be powered off, at which time the freight train can be loaded and unloaded or the train can be repaired. It is worth noting that although the wrist arm of the mobile contact net has moved away from above the railway and turned to the side of the railway, the column, wrist arm and other parts of the contact net may still have induced electricity or static electricity. This residual electrical phenomenon may pose a potential threat to the safety of the workers.

[0004] To ensure the safety of the operation, the skilled person in the art needs to design a grounding device. When the mobile contact net turns to the side of the railway, the grounding device can effectively connect the mobile contact net to the ground directly or indirectly. In this way, the safety of the workers under or around the contact net during loading, unloading or repair work is ensured. UTILITY MODEL CONTENT

[0005] Therefore, the purpose of the utility model is to overcome the shortcomings of the prior art, and to provide a grounding device applied to the mobile contact net. When the mobile contact net turns to the side of the railway, the grounding device can effectively connect the mobile contact net to the ground directly or indirectly. In this way, the safety of the workers under or around the contact net during loading, unloading or repair work is ensured.

[0006] To achieve the above purpose, the utility model provides a grounding device applied to the mobile contact net, wherein the mobile contact net has at least a flow guide contact part; the grounding device comprises at least a telescopic flow guide mechanism; the telescopic flow guide mechanism is provided with an adsorption structure.

[0007] The flow guide contact part is directly or indirectly arranged on a cantilever device in the moving contact net, the telescopic flow guide mechanism can be extended or retracted in the axial direction; the cantilever device can drive the flow guide contact part to switch between the working position and the non-working position;

[0008] The flow guide contact part rotating with the cantilever device directly or indirectly contacts the telescopic flow guide mechanism by using the adsorption structure at part of the time.

[0009] Further, the telescopic flow guide mechanism is provided with a moving part, the adsorption structure is installed at one end of the moving part, and the adsorption structure is used to realize the contact between one end of the moving part and the flow guide contact part on the cantilever device to meet the flow guide condition.

[0010] Further, it also includes a moving track for facilitating the movement of the moving part, and the moving part can move back and forth on the moving track.

[0011] Further, the moving part adopts a sliding rod, and the moving track adopts a sliding sleeve, and the sliding rod can move back and forth in the sliding sleeve.

[0012] Further, one end of the moving part is provided with a mounting part, and the adsorption structure is arranged on the mounting part.

[0013] Further, the other end of the moving part is provided with a limiting structure, and the limiting structure at least includes an adjustable nut, the position of the adjustable nut at the other end of the moving part is adjusted, and the adjustable nut is abutted against one end of the moving track to limit the stroke of the moving part.

[0014] Further, it also includes a thread arranged at the other end of the moving part, and the adjustable nut is connected with the moving part through the thread.

[0015] Further, it also includes a bracket assembly, and the moving track is directly or indirectly arranged on the bracket assembly.

[0016] Further, it also includes a fixing assembly, and the fixing assembly is used to fix the bracket assembly on another arranged column or support.

[0017] Further, it also includes a stroke detection assembly, and the stroke detection assembly is used to detect the moving position of the moving part.

[0018] The utility model discloses adopt above technical scheme, with the flow guide contact portion of the arm device rotation in part time directly or indirectly utilize the adsorption structure and the telescopic flow guide mechanism realizes contact. Utilize the adsorption structure and realize the contact of the one end of moving piece with the flow guide contact portion on the arm device with the condition of flow guide. When moving contact net turns to the railway side, this grounding device can effectively make moving contact net and ground directly or indirectly communicate. In this way, provide the security guarantee to the staff under the contact net or periphery in the loading and unloading or overhauling operation process. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0020] Fig. 1 It is the schematic diagram of grounding device of the utility model;

[0021] Fig. 2 It is the schematic diagram of the arm of the utility model application in mobile contact net in working position;

[0022] Fig. 3 It is the schematic diagram of the arm of the utility model application in mobile contact net in non-working position;

[0023] In the drawing: 1, arm device;2, flow guide contact portion;3, telescopic flow guide mechanism;31, moving piece;32, moving track;4, adsorption structure;5, mounting portion;6, limit structure;61, adjustable nut;62, screw;7, support assembly;8, fixed assembly;9, stroke detection assembly;10, portal;11, stand column. DETAILED DESCRIPTION

[0024] Here will be described in detail the exemplary embodiments, its example is shown in the drawing. When the following description relates to the drawing, same numerals in different drawings represent same or similar elements unless otherwise indicated. The implementation described in the following exemplary embodiments does not represent all the implementations consistent with the utility model. Instead, they are only examples of devices consistent with some aspects of the utility model as detailed in the appended claims.

[0025] As Figs. 1 to 3As shown, the utility model provides a ground device applied to mobile contact net, at least have current guide contact part 2 in mobile contact net, current guide contact part 2 can be a part of wrist arm device body, also can be additionally arranged, only need to satisfy that current guide contact part 2 and wrist arm device are communicated and have the current guide condition.

[0026] The ground device at least includes telescopic current guide mechanism 3, the telescopic current guide mechanism 3 is provided with adsorption structure 4,

[0027] Current guide contact part 2 is directly or indirectly arranged on the wrist arm device 1 in mobile contact net, and the wrist arm device 1 is rotatably installed on the stand 11, the telescopic current guide mechanism 3 can extend or retract in the axial direction thereof, the wrist arm device 1 can drive current guide contact part 2 to switch between working position and non-working, and current guide contact part 2 directly or indirectly contacts telescopic current guide mechanism 3 by using adsorption structure 4 when the wrist arm device 1 rotates.

[0028] In the embodiment, the wrist arm device is an upper concept, which covers various structural forms of wrist arm devices used in mobile contact net, and current guide contact part 2 can be regarded as an effective current guide part under the premise of being capable of directly or indirectly contacting the wrist arm device and meeting the contact current guide condition. Specifically, current guide contact part 2 can be any component part in the wrist arm device body, or an additional component part directly or indirectly mounted on the wrist arm device. Regardless of the structural form of current guide contact part 2, as long as it can meet the specific conditions of contact current guide, it can be applied.

[0029] As an embodiment, the telescopic current guide mechanism 3 is provided with a moving part 31 in the embodiment, the adsorption structure 4 is mounted on one end of the moving part 31, and the moving part 31 is contacted with the current guide contact part 2 on the wrist arm device 1 by using the adsorption structure 4 to meet the current guide condition.

[0030] As an embodiment, the embodiment further includes a moving track 32 for facilitating the movement of the moving part 31, and the moving part 31 can move back and forth on the moving track 32.

[0031] As an embodiment, the moving part 31 adopts a sliding rod in the embodiment, and the moving track 32 adopts a sliding sleeve, and the sliding rod can move back and forth in the sliding sleeve.

[0032] As an embodiment, one end of the moving part 31 is provided with a mounting part 5 in the embodiment, and the adsorption structure 4 is arranged on the mounting part 5.

[0033] As an implementation, the other end of the moving piece 31 in the embodiment is provided with a limiting structure 6, which at least comprises an adjustable nut 61, the position of the adjustable nut 61 at the other end of the moving piece 31 is adjusted, and the adjustable nut 61 is used to abut against one end of the moving rail 32 to limit the stroke of the moving piece 31.

[0034] As an implementation, the other end of the moving piece 31 in the embodiment is provided with a limiting structure 6, which at least comprises an adjustable nut 61, the position of the adjustable nut 61 at the other end of the moving piece 31 is adjusted, and the adjustable nut 61 is used to abut against one end of the moving rail 32 to limit the stroke of the moving piece 31.

[0035] As an implementation, the other end of the moving piece 31 in the embodiment is provided with a limiting structure 6, which at least comprises an adjustable nut 61, the position of the adjustable nut 61 at the other end of the moving piece 31 is adjusted, and the adjustable nut 61 is used to abut against one end of the moving rail 32 to limit the stroke of the moving piece 31.

[0036] As an implementation, the other end of the moving piece 31 in the embodiment is provided with a limiting structure 6, which at least comprises an adjustable nut 61, the position of the adjustable nut 61 at the other end of the moving piece 31 is adjusted, and the adjustable nut 61 is used to abut against one end of the moving rail 32 to limit the stroke of the moving piece 31.

[0037] It should be noted that the movable contact net is in contact with the current guide contact part 2 of the telescopic current guide mechanism 3, and the telescopic current guide mechanism 3 is directly or indirectly connected with the ground by a wire, so that the telescopic current guide mechanism 3 has the current guide function.

[0038] As an implementation, the other end of the moving piece 31 in the embodiment is provided with a limiting structure 6, which at least comprises an adjustable nut 61, the position of the adjustable nut 61 at the other end of the moving piece 31 is adjusted, and the adjustable nut 61 is used to abut against one end of the moving rail 32 to limit the stroke of the moving piece 31.

[0039] The working principle of the utility model is as follows:

[0040] Before carrying out loading and unloading operation or maintenance operation on the freight train parked in the freight station, the power supply disconnecting isolating switch at both ends of the movable contact net is disconnected;

[0041] From Figs. 2 to 3 The process. The wrist arm in the movable contact net is driven to rotate to the side of the railway, when the wrist arm device 1 is about to rotate to the side of the railway, the one end of the moving piece 31 is contacted with the current guide contact part 2 on the wrist arm device 1 by the adsorption structure 4 to have the current guide function. At this time, the wrist arm device 1 can be further rotated to push the moving piece 31 to move.

[0042] As Fig. 2As shown, when the boom device 1 rotates to the railway, one end of the moving piece 31 is in contact with the current guide contact on the boom device 1. During the loading and unloading or maintenance work, safety protection is provided for the workers below or around the overhead line.

[0043] From Figs. 3 to 2 When the boom device 1 rotates from the side of the railway to the upper side of the railway, the moving piece 31 can be moved together, and when the nut on the moving structure is in contact with the moving track 32, the moving piece 31 stops moving, and the one end of the moving piece 31 is separated from the current guide contact 2 on the boom device 1.

[0044] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and modify the above-mentioned embodiments within the scope of the utility model.

Claims

1. A grounding device applied on a mobile catenary, characterized in that: The mobile contact net has at least a flow guide contact part; the grounding device has at least a telescopic flow guide mechanism; the telescopic flow guide mechanism is provided with an adsorption structure; The flow guide contact part is directly or indirectly arranged on a cantilever device in the mobile contact net, and the telescopic flow guide mechanism can extend or retract in the axial direction thereof; The cantilever device can drive the flow guide contact part to switch between a working position and a non-working position; The flow guide contact part directly or indirectly contacts the telescopic flow guide mechanism by using the adsorption structure at part of the time.

2. The grounding device of claim 1, wherein: The telescopic flow guide mechanism is provided with a moving part, and the adsorption structure is arranged at one end of the moving part, so that the moving part is in contact with the flow guide contact part on the cantilever device by using the adsorption structure, and the flow guide condition is met.

3. The grounding device of claim 2, wherein: The moving track is further arranged to facilitate the movement of the moving part, and the moving part can move back and forth on the moving track.

4. The grounding device of claim 3, wherein: The moving part is a sliding rod, and the moving track is a sliding sleeve, and the sliding rod can move back and forth in the sliding sleeve.

5. The grounding device of claim 3, wherein: One end of the moving part is provided with a mounting part, and the adsorption structure is arranged on the mounting part.

6. The grounding device of claim 5, wherein: The other end of the moving part is provided with a limiting structure, and the limiting structure at least includes an adjustable nut, the position of the adjustable nut at the other end of the moving part is adjusted, and the adjustable nut abuts against one end of the moving track to limit the stroke of the moving part.

7. The grounding device of claim 6, wherein: The other end of the moving part is further provided with a thread, and the adjustable nut is connected with the moving part through the thread.

8. The grounding device according to any one of claims 3 to 7, characterized in that: The moving track is directly or indirectly arranged on the support assembly.

9. The grounding device of claim 8, wherein: The fixed assembly is further arranged to fix the support assembly on a column or a support arranged separately.

10. The grounding device according to any one of claims 2 to 7, characterized in that: The stroke detection assembly is further arranged to detect the moving position of the moving part.

Images