CN219247483U

CN219247483U - Combined treatment equipment for railway electric network

Info

Publication number: CN219247483U
Application number: CN202223607172.4U
Authority: CN
Inventors: 刘森林; 王长春; 张应冬
Original assignee: Chengdu Jiaoda Electric Co ltd
Current assignee: Chengdu Jiaoda Electric Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-23
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses combined treatment equipment for a railway electrical network, which comprises a combined box, combined guide bars and a back side sliding rail, wherein the combined guide bars and the back side sliding rail are fixedly arranged on the back side in the box of the combined box, a moving body is slidably arranged on the back side sliding rail, a vertically arranged lifting screw rod is rotatably connected onto the moving body, a top pressing placing seat is rotatably arranged at the top end of the lifting screw rod, a harmonic elimination monomer is supported and placed on the top pressing placing seat, a core bar groove is formed in the bottom of the combined guide bars, two parallel guide bars are arranged in the core bar groove, a guide bar is fixedly arranged on the wall of the top part of the core bar groove, a guide pillar is fixedly arranged at the top part of the harmonic elimination monomer, and a conductive contact block is connected and arranged at the top end of the guide pillar. The beneficial effects are that: the combined guide strip with the core strip is matched with the lifting base to realize the rapid parallel connection of a plurality of groups of harmonic elimination monomers and a railway electrical network, and the installation, the maintenance and the replacement are convenient.

Description

Combined treatment equipment for railway electric network

Technical Field

The utility model relates to the field of electric network harmonic wave treatment, in particular to railway electric network combined treatment equipment.

Background

Along with the continuous rising of the railway traffic and the incremental running of the two tens of thousands of tons of trains in China, the traction power supply system has successively exposed the problems of higher harmonic resonance, low-frequency oscillation of the contact network voltage, unsmooth backflow of the power supply system, burnt rail insulation sections and the like caused by poor electric matching with the traction power supply system and the comprehensive grounding system, the common daily fault phenomena comprise the phenomena of explosion of a lightning arrester, explosion of a voltage transformer, damage of a capacitor, damage of a charging module, a computer and a signal lamp in the used transformer load and the like, the common treatment mode comprises the comprehensive use of a filtering device and a compensating device and the two, the comprehensive use is to connect a plurality of groups of treatment equipment into a railway electric network, each monomer of the equipment needs to be independently connected to the electric network, and the installation and the disassembly are not concise.

Disclosure of Invention

The utility model aims to solve the problems and provide combined treatment equipment for the railway electric network.

The utility model realizes the above purpose through the following technical scheme:

the combined type treatment equipment for the railway electrical network comprises a combined box, combined guide bars and a back side sliding rail, wherein the combined guide bars and the back side sliding rail are fixedly arranged on the inner back side of the box, a moving body is slidably arranged on the back side sliding rail, a vertically arranged lifting screw rod is rotatably connected to the moving body, a jacking placing seat is rotatably arranged at the top end of the lifting screw rod, harmonic elimination monomers are supported and placed on the jacking placing seat, a core bar groove is formed in the bottom of the combined guide bars, two parallel guide bars are arranged in the core bar groove, a guide bar is fixedly arranged on the top groove wall of the core bar groove, a guide pillar is fixedly arranged at the top of the harmonic elimination monomers, a conductive contact block is connected to the top end of the guide pillar, extends to the core bar groove and is in contact with the guide bar, a harmonic elimination circuit is arranged in the harmonic elimination monomers, and the harmonic elimination circuit is electrically connected with the guide pillar.

Further, the end part of the guide core strip is connected with a wire, a crimping end piece is fixedly arranged on the inner wall of the combined box, and the tail end of the wire is connected and arranged on the crimping end piece.

Further, the movable body is inserted with a limiting rod in a vertical mode in a sliding mode, the top end of the limiting rod is fixedly connected to the top pressure placing seat, and a rotary knob is fixedly arranged at the bottom end of the lifting screw rod.

Further, the bottom of the moving body is integrally connected with a clamping lug, and the clamping lug is screwed with a fastening bolt.

Furthermore, the box body front side of the combined box is rotatably provided with a box door, the box door is also fixed with the combined box through a locking piece, and a protective sleeve is sleeved on the guide post.

The beneficial effects are that: the combined treatment equipment for the railway electric network realizes the rapid parallel connection of a plurality of groups of harmonic elimination monomers and the railway electric network by the combined guide bar with the core bar matched with the lifting base, and is convenient to install, maintain and replace.

Drawings

FIG. 1 is a schematic diagram of the front view of a combined treatment plant for a rail electrical network according to the present utility model;

FIG. 2 is a schematic view of the structure of a decontamination box of the combined treatment device of the railway electric network;

FIG. 3 is an enlarged schematic view of the A structure of the combined treatment equipment for the railway electric network according to the utility model.

The reference numerals are explained as follows:

1. a combination box; 2. a combined conducting bar; 3. a backside slide rail; 4. a harmonic cancellation monomer; 5. a wire; 6. a conducting bar mounting rack; 7. crimping the end piece; 8. a door; 9. pressing the placing seat; 10. lifting screw rods; 11. a moving body; 12. a turning button; 13. a limit rod; 14. a fastening bolt; 15. a core guiding strip; 16. a conductive contact block; 17. a guide post; 18. and (5) a protective sleeve.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

the combined treatment equipment for the railway electric network is shown in the figures 1-3, and consists of a combined box 1, a combined conducting bar 2 and a back side sliding rail 3;

the combined conducting strip 2 and the back side sliding rail 3 are fixedly arranged on the inner back side of the combined box 1, the combined conducting strip 2 and the back side sliding rail 3 are arranged in parallel, three groups of combined conducting strips 2 and the back side sliding rail 3 are arranged in the embodiment, and the combined conducting strip 2 in each group is arranged above the back side sliding rail 3, so that the combined conducting strip is suitable for a railway three-phase electrical network system;

the movable body 11 is slidably mounted on the back side sliding rail 3, the movable body 11 is arranged in front of the back side sliding rail 3, the vertically arranged lifting screw rod 10 is rotatably connected to the movable body 11, the top end of the lifting screw rod 10 is rotatably provided with the jacking placing seat 9, the rotation lifting of the lifting screw rod 10 can drive the jacking placing seat 9 to lift the harmonic elimination monomer 4, so that the jacking placing seat 9 is in contact with the combined guide bar 2 to realize electric connection, the harmonic elimination monomer 4 is supported and placed on the jacking placing seat 9, and in order to realize the stability of the harmonic elimination monomer 4, the jacking placing seat 9 is provided with a placing groove matched with the jacking placing seat 9;

to realize the electrical connection between the combined conducting bar 2 and the harmonic elimination monomer 4 in the embodiment, a core bar groove is formed in the bottom of the combined conducting bar 2, two parallel conducting bars are arranged in the core bar groove, a conducting core bar 15 is fixedly installed on the wall of the top part of the core bar groove, a guide post 17 is fixedly installed on the top part of the harmonic elimination monomer 4, a conductive contact block 16 is installed at the top end of the guide post 17 in a connecting way, and the conductive contact block 16 extends into the core bar groove and is electrically connected with the conducting core bar 15;

the harmonic cancellation unit 4 is internally provided with a harmonic cancellation circuit, and the harmonic cancellation circuit is electrically connected with the guide post 17, and in this embodiment, the harmonic cancellation circuit in the harmonic cancellation unit 4 may be a passive filter circuit or an active compensation circuit, which is used by combining a plurality of harmonic cancellation units 4.

In this embodiment, the end of the core strip 15 is connected with a wire 5, the inner wall of the combined box 1 is fixedly provided with a crimping end piece 7, the end of the wire 5 is connected with the crimping end piece 7, and the line of the railway electric network enters the combined box 1 and is also connected with the crimping end piece 7, so that crimping is realized.

In this embodiment, a vertically arranged stop lever 13 is slidably inserted on the moving body 11, the top end of the stop lever 13 is fixedly connected to the top pressure placing seat 9, a rotary knob 12 is fixedly installed at the bottom end of the lifting screw 10, and the rotary knob 12 drives the lifting screw 10 to rotate so as to realize lifting of the top pressure placing seat 9.

In this embodiment, the bottom of the moving body 1 is integrally connected with a clip, and the clip is screwed with a fastening bolt 14, and the fastening bolt 14 is used for fastening the clip and the back side rail 3.

In the embodiment, the front side of the box body of the combination box 1 is rotatably provided with a box door 8, the box door 8 is also fixed with the combination box 1 through a locking piece, and a protective sleeve 18 is sleeved on the guide post 17.

In the harmonic governance process of the railway electric network, because the harmonic is more, a plurality of groups of compensators and filters are usually arranged in the electric network, and the traditional governance box is usually installed in a traditional mode, the combined governance of the railway electric network is realized by installing each governance unit, the combined box in the embodiment is applied, and the harmonic elimination unit 4 is subjected to the quick installation and connection of the top compaction realization conductive core strip and the conductive contact block body through a lifting mechanism, so that the harmonic elimination unit 4 is connected in parallel to the railway electric network, and the replacement, the installation and the disassembly are convenient, wherein an elimination circuit in the harmonic elimination unit 4 comprises but is not limited to a compensation circuit and a filter circuit.

It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A combined treatment device for a railway electrical network is characterized in that: including combination case, combination conducting bar and dorsal slide rail, the incasement dorsal side fixed mounting of combination case have the combination conducting bar with dorsal slide rail, slidable mounting has the moving body on the dorsal slide rail, the last vertical lift screw that sets up that connects soon of moving body, the top rotation of lift screw is installed the roof pressure and is placed the seat, the roof pressure is placed the seat and is supported and has been placed the harmonic elimination monomer, the core strip groove has been seted up to the bottom of combination conducting bar, the core strip groove is equipped with two parallels, fixed mounting has the core strip on the top cell wall of core strip groove, the free top of harmonic elimination is installed and is fixed with the guide pillar, conductive contact block is installed in the top connection of guide pillar, conductive contact block extends to in the core strip groove and with the core strip contact, be equipped with the harmonic elimination circuit in the harmonic elimination monomer, the harmonic elimination circuit is connected with the guide pillar electricity.

2. The electrical railway network combined abatement apparatus of claim 1, wherein: the end part of the guide core strip is connected with a wire, a crimping end piece is fixedly arranged on the inner wall of the combined box, and the tail end of the wire is connected and arranged to the crimping end piece.

3. The electrical railway network combined abatement apparatus of claim 1, wherein: the movable body is inserted with a limiting rod in a vertical mode in a sliding mode, the top end of the limiting rod is fixedly connected to the top pressure placing seat, and a rotary knob is fixedly arranged at the bottom end of the lifting screw rod.

4. The electrical railway network combined abatement apparatus of claim 1, wherein: the bottom of the moving body is integrally connected with a clamping lug, and the clamping lug is screwed with a fastening bolt.

5. The electrical railway network combined abatement apparatus of claim 1, wherein: the box body front side of the combined box is rotatably provided with a box door, the box door is also fixed with the combined box through a locking piece, and a protective sleeve is sleeved on the guide post.