CN216252130U

CN216252130U - Lightning protection system for railway electrical equipment

Info

Publication number: CN216252130U
Application number: CN202122774050.3U
Authority: CN
Inventors: 徐竣峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-13
Filing date: 2021-11-13
Publication date: 2022-04-08
Anticipated expiration: 2031-11-13

Abstract

The utility model discloses a lightning protection system for railway electrical equipment, which comprises a lightning protection protector, wherein a plurality of groups of connectors are uniformly arranged at the top end of the lightning protection protector, cables are arranged at the top ends of the plurality of groups of connectors, the other side of each cable is clamped and connected with a positioning groove through a fixing device, and the positioning groove is arranged at the top end of a protective shell. Potential safety hazards during maintenance are reduced, and convenience of the device is improved.

Description

Lightning protection system for railway electrical equipment

Technical Field

The utility model relates to the technical field of lightning protection systems, in particular to a lightning protection system for railway electrical equipment.

Background

When a railway lightning protection system is struck by lightning, lightning discharge induces lightning electromagnetic pulse overvoltage and overcurrent, and the lightning electromagnetic pulse overvoltage and the overcurrent are discharged through a station power supply system, a communication signal transmission channel, a grounding system and a protection system of direct lightning strike of a building, so that reliable and effective protection must be performed on a power supply system, an antenna feed system, a signal acquisition and transmission system, a program control exchange system, a computer network system, a machine room grounding system and the like of a station, complete and multi-level comprehensive protection is performed on the aspects of interception, shunting, equalization, grounding, wiring, layout and the like, and a lightning protection protector is preferably arranged at an entrance of a cable terminal for electrical equipment installed outdoors.

Among the prior art, lightning protection protector and cable terminal interface on the one hand, railway electrical equipment place outdoor usually, and outdoor environment is complicated, and weather variation and external force factor lead to the cable conductor to drop easily, and the unable normal use of lightning protection protector, on the other hand lightning protection protector place at the protecting crust inboard usually, and the staff is inconvenient to operate when overhauing it, consequently needs a railway electrical equipment lightning protection system.

Disclosure of Invention

The utility model aims to provide a lightning protection system for railway electrical equipment, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a lightning protection system for railway electrical equipment comprises a lightning protection protector, wherein a plurality of groups of connectors are uniformly arranged at the top end of the lightning protection protector, cables are arranged at the top ends of the connectors, the other side of each cable is connected with a positioning groove in a clamping manner through a fixing device, the positioning groove is formed in the top end of a protective shell, and the bottom end of the lightning protection protector is movably connected with the bottom end of the inner side of the protective shell through a transmission device; fixing device includes the holding ring, cable conductor outside cover is equipped with the holding ring, the symmetrical fixedly connected with locating piece in the holding ring outside, the locating piece both sides are all through positioning spring and locating plate bottom one side fixed connection, the all symmetry in holding ring both sides is provided with spacing spring, spacing spring opposite side fixedly connected with stopper.

As a preferred technical scheme of the utility model, the transmission device comprises a bottom plate, the bottom end of the lightning protection protector is provided with the bottom plate, two groups of limiting rods are symmetrically arranged on the other side of the bottom plate, the middle parts of the two groups of limiting rods are fixedly connected through a fixed spring, the other sides of the two groups of limiting rods are provided with fixed blocks, and the fixed blocks are connected with the bottom plate in a clamping manner through inserting plates.

As a preferable technical scheme of the utility model, the inner side size of the bottom end of the positioning ring is equal to the size of the cable.

As a preferred technical scheme of the utility model, the positioning plate is movably connected with the positioning block through a connecting rod.

As a preferable technical scheme of the utility model, one end of the inserting plate is provided with an arc-shaped plate, one side of the fixing block is provided with an arc-shaped groove, and the size of the arc-shaped groove is larger than that of the arc-shaped plate.

As a preferable technical scheme of the utility model, the inner side of the protective shell is provided with a rectangular groove, and the size of the rectangular groove is equal to the size of the outer side of the fixed block.

1. Compared with the prior art, the utility model has the beneficial effects that: the utility model relates to a lightning protection system for railway electrical equipment, wherein a worker sleeves a positioning ring on one side of a cable close to a protective shell, the size of the inner side of the bottom end of the positioning ring is equal to that of the cable, the cable is embedded into the inner side of the positioning ring to seal and fix the device, then the worker drives the positioning ring to move upwards to enable the positioning ring to be clamped and connected with a positioning groove, meanwhile, the positioning ring drives a connecting port to move, a positioning block drives a positioning plate to move until the positioning plate is embedded into the inner side of the positioning groove under the limitation of a positioning spring, the positioning plate is movably connected with the positioning block through a connecting rod to enable the positioning spring to extrude positioning plates on two sides, the positioning plate is further attached to the positioning groove to limit the positions of the positioning ring and the positioning groove, at the moment, limiting blocks on two sides of the positioning ring are contacted with the inner side of the positioning groove, the limiting blocks further extrude the limiting blocks under the limitation of the limiting spring to further limit the positions of the positioning ring and the positioning groove, thereby carry out multiple fixed to cable conductor and protective housing, avoid the cable conductor not hard up to break away from, improve the device practicality.

2. Compared with the prior art, the utility model has the beneficial effects that: the utility model relates to a lightning protection system for railway electrical equipment, wherein a worker rotates a plug board, one end of the plug board is provided with an arc-shaped board, the arc-shaped groove is arranged on one side of the fixed block, the size of the arc-shaped groove is larger than that of the arc-shaped plate, when the arc-shaped plate on one side of the inserting plate rotates to the inner side of the arc-shaped groove, pulling the plug board until the plug board is not clamped and connected with the fixed block any more, then the fixed spring is not limited, the elastic deformation is recovered, the fixed spring pulls the limiting rods at the two sides to rotate, the limiting rods rotate to drive the fixed block to move, the rectangular groove is arranged on the inner side of the protective shell, the size of the rectangular groove is equal to that of the outer side of the fixed block, so that the fixed block moves to be perpendicular to the bottom plate on the inner side of the rectangular groove, the bottom plate moves to the outer side of the protective shell under the limitation of the fixed block, therefore, the lightning protection protector is convenient for workers to overhaul the lightning protection protector, potential safety hazards during overhaul are reduced, and convenience of the device is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a connection structure of the fixing device of the present invention;

FIG. 3 is a schematic view of the connection structure of the transmission device of the present invention.

In the figure: 1. a lightning protection protector; 2. a protective shell; 3. positioning a groove; 4. a connecting port; 5. a cable wire; 6. a positioning ring; 7. positioning blocks; 8. a positioning spring; 9. positioning a plate; 10. a limiting spring; 11. a limiting block; 12. a base plate; 13. a limiting rod; 14. a fixed block; 15. fixing the spring; 16. and (4) inserting plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical scheme of a lightning protection system for railway electrical equipment, including a lightning protection protector 1, wherein the top end of the lightning protection protector 1 is uniformly provided with a plurality of groups of connectors 4, the top ends of the plurality of groups of connectors 4 are all provided with cables 5, the other side of the cables 5 is connected with a positioning groove 3 in a clamping manner through a fixing device, the positioning groove 3 is arranged at the top end of a protection shell 2, and the bottom end of the lightning protection protector 1 is movably connected with the bottom end of the inner side of the protection shell 2 through a transmission device.

Referring to fig. 2, the utility model provides a lightning protection system for railway electrical equipment, the fixing device includes a positioning ring 6, the positioning ring 6 is sleeved outside a cable 5, the size of the inner side of the bottom end of the positioning ring 6 is equal to the size of the cable 5, positioning blocks 7 are symmetrically and fixedly connected to the outer side of the positioning ring 6, two sides of each positioning block 7 are fixedly connected to one side of the bottom end of a positioning plate 9 through positioning springs 8, the positioning plates 9 are movably connected to the positioning blocks 7 through connecting rods, two sides of the positioning ring 6 are symmetrically provided with limiting springs 10, and the other side of each limiting spring 10 is fixedly connected to a limiting block 11.

Referring to fig. 3, the present invention provides a lightning protection system for railway electrical equipment, wherein a transmission device includes a bottom plate 12, the bottom of a lightning protection protector 1 is provided with the bottom plate 12, the other side of the bottom plate 12 is symmetrically provided with two sets of limiting rods 13, the middle parts of the two sets of limiting rods 13 are fixedly connected through a fixing spring 15, the other side of the two sets of limiting rods 13 is provided with a fixing block 14, the inner side of a protective shell 2 is provided with a rectangular groove, the size of the rectangular groove is equal to the size of the outer side of the fixing block 14, the fixing block 14 is connected with the bottom plate 12 through a plug board 16 in a clamping manner, one end of the plug board 16 is provided with an arc-shaped board, and the size of the arc-shaped groove is larger than that of the arc-shaped board.

When the lightning protection system for railway electrical equipment is used, after a worker connects the terminal of a cable 5 with a lightning protection protector 1, the worker sleeves a positioning ring 6 at one side of the cable 5 close to a protective shell 2, the cable 5 is embedded into the inner side of the positioning ring 6 through the size of the inner side of the bottom end of the positioning ring 6 being equal to that of the cable 5, the device is sealed and fixed, then the worker drives the positioning ring 6 to move upwards, the positioning ring 6 is clamped and connected with a positioning groove 3, meanwhile, the positioning ring 6 drives a connecting port 4 to move, a positioning block 7 drives a positioning block 9 to move until the positioning block 9 is embedded into the inner side of the positioning groove 3 under the limitation of a positioning spring 8, as the positioning block 9 is movably connected with the positioning block 7 through a connecting rod, the positioning spring 8 extrudes the positioning blocks 9 at two sides, the positioning block 9 is further attached to the positioning groove 3, and the positioning ring 6 and the positioning groove 3 are limited in position, at this moment, the limiting blocks 11 on the two sides of the positioning ring 6 are in contact with the inner side of the positioning groove 3, the limiting blocks 11 are further extruded by the limiting blocks 11 under the limitation of the limiting springs 10, and the positioning ring 6 and the positioning groove 3 are further limited in position, so that the cable 5 and the protective shell 2 are fixed in a multiple mode, and the cable 5 is prevented from being loosened and separated.

When the lightning protection protector 1 needs to be overhauled, a worker rotates the inserting plate 16, one end of the inserting plate 16 is provided with an arc-shaped plate, one side of the fixing block 14 is provided with an arc-shaped groove, the size of the arc-shaped groove is larger than that of the arc-shaped plate, when the arc-shaped plate on one side of the inserting plate 16 rotates to the inner side of the arc-shaped groove, the inserting plate 16 is pulled until the inserting plate 16 is not clamped and connected with the fixing block 14, at the moment, the fixing spring 15 is not limited, elastic deformation is recovered, the fixing spring 15 pulls the limiting rods 13 on two sides to rotate, the limiting rods 13 rotate to drive the fixing block 14 to move, the rectangular groove is arranged on the inner side of the protective shell 2, the size of the rectangular groove is equal to the size of the outer side of the fixed block 14, so that the fixed block 14 moves to be vertical to the bottom plate 12 on the inner side of the rectangular groove, meanwhile, the bottom plate 12 moves towards the outside of the protective shell 2 under the limit of the fixing block 14, so that the lightning protection protector 1 is convenient for workers to overhaul.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a railway electrical equipment lightning protection system, includes lightning protection protector (1), its characterized in that: the lightning protection protector is characterized in that a plurality of groups of connectors (4) are uniformly arranged at the top end of the lightning protection protector (1), cables (5) are arranged at the top ends of the connectors (4), the other side of each cable (5) is connected with a positioning groove (3) in a clamping manner through a fixing device, the positioning groove (3) is arranged at the top end of the protection shell (2), and the bottom end of the lightning protection protector (1) is movably connected with the bottom end of the inner side of the protection shell (2) through a transmission device; fixing device includes holding ring (6), cable conductor (5) outside cover is equipped with holding ring (6), holding ring (6) outside symmetry fixedly connected with locating piece (7), locating piece (7) both sides are all through positioning spring (8) and locating plate (9) bottom one side fixed connection, holding ring (6) both sides all symmetry are provided with spacing spring (10), spacing spring (10) opposite side fixedly connected with stopper (11).

2. A lightning protection system for electrical railway equipment according to claim 1, characterized in that: transmission includes bottom plate (12), lightning protection security ware (1) bottom is provided with bottom plate (12), bottom plate (12) opposite side symmetry is provided with two sets of gag lever post (13), and is two sets of gag lever post (13) middle part is through fixed spring (15) fixed connection, and is two sets of gag lever post (13) opposite side is provided with fixed block (14), fixed block (14) are connected with bottom plate (12) block through picture peg (16).

3. A lightning protection system for electrical railway equipment according to claim 1, characterized in that: the size of the inner side of the bottom end of the positioning ring (6) is equal to that of the cable (5).

4. A lightning protection system for electrical railway equipment according to claim 1, characterized in that: the positioning plate (9) is movably connected with the positioning block (7) through a connecting rod.

5. A lightning protection system for electrical railway equipment according to claim 2, characterized in that: the picture peg (16) one end sets up to the arc, the arc wall that fixed block (14) one side was provided with, the arc wall size is greater than the arc size.

6. A lightning protection system for electrical railway equipment according to claim 2, characterized in that: the protective housing (2) inboard is provided with the rectangular channel, the rectangular channel size equals with fixed block (14) outside size.