CN218005425U

CN218005425U - Large-current bus frame

Info

Publication number: CN218005425U
Application number: CN202221509666.6U
Authority: CN
Inventors: 戴勇军; 徐井雄; 凌达; 屈必成
Original assignee: Wuhan Zhiruijie Electric Technology Co ltd
Current assignee: Wuhan Zhiruijie Electric Technology Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-12-09
Anticipated expiration: 2032-06-15

Abstract

The utility model relates to a heavy current converges frame, including the support frame, fixed anodal cylinder manifold and negative pole cylinder manifold, characterized by on the support frame: the positive bus bar and the negative bus bar are both fixed with a bus cascade block, the bus bar is provided with a connecting copper bar, the cable passes through a through hole in the bus cascade block, the lower pressing block is sleeved outside the coaxial cable and is in pressure connection with the sheath of the coaxial cable, and the upper pressing block is sleeved outside the core of the coaxial cable and compresses the core. The cascade piece that converges has a limiting displacement to coaxial cable, can prevent that coaxial cable's end from taking place to turn round the pendulum, avoid cable core connecting portion to receive pulling of external force and tear the swing, and the briquetting locks coaxial cable enclasping on the upper and lower direction down, the cooperation of briquetting cascades the briquetting down can carry out effective spacing fixed with the tip to coaxial cable, thereby can prevent that cable core and the connection between the connecting copper bar from appearing becoming flexible, guarantee that the junction of frame and cable core that converges can bear great vibration impact, ensure the normal operating of pulse power supply discharge experiment.

Description

Large-current bus frame

Technical Field

The utility model relates to an electrical technology field, concretely relates to heavy current collection flow frame.

Background

The bus frame is generally used for converting a plurality of strands of low-current power supplies of an original power grid into high-current power supplies in the power transmission process, and then conveying the high current into a machine to meet the requirement of the transportation power of the machine.

The bus frame can also be used for the discharge experiment of pulse power supply, when carrying out the discharge experiment of pulse power supply under different load conditions, because the energy is great in the twinkling of an eye in the discharge process, peak current can reach 1MA even, and the electric power that discharges in the twinkling of an eye this moment can produce huge electrodynamic force, and the electrodynamic force in the twinkling of an eye can cause the bus frame to produce great vibration on acting on the bus frame.

The existing bus bar frame adopts the connection mode that a connecting copper bar is connected with a cable, and a cable core of the cable is compressed through a cable pressing block. The cable core is fixed only through the pressing block, and when the bus frame generates large vibration, the connection position of the cable and the bus frame is likely to be loosened to be improved.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model provides a heavy current frame that converges to solve the frame vibration that converges and cause the not hard up problem of cable core and frame junction that converges.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

the utility model provides a heavy current collection frame, includes the support frame, is fixed with the positive pole cylinder manifold of bar and the negative pole cylinder manifold of bar on the support frame, the front of positive pole cylinder manifold and negative pole cylinder manifold all is fixed with the cascade piece that converges, the inside through-hole that is used for the power cable to pass that offers of cascade piece that converges all be provided with the connection copper bar on positive pole cylinder manifold and the negative pole cylinder manifold and be located the top and the below of cascade piece that converges, the cable passes the through-hole, the top and the below of cascade piece that converges are provided with briquetting and lower briquetting respectively, briquetting cover is outside and with the crust crimping of cable down, it is outside and compress tightly the cable core to go up the briquetting cover, go up the briquetting and connect the cable core that the copper bar contacted and compress tightly the cable with the front and back both sides of cable core respectively.

As a preferable scheme: the cascade pressing block is in compression joint with the bus bar through a high-strength bolt.

As a preferable scheme: the rear of anodal cylinder manifold and negative pole cylinder manifold all is provided with insulating backup pad, insulating backup pad is connected fixedly with the cylinder manifold.

As a preferable scheme: the bottom of the support frame is also provided with a connecting bottom frame, and the connecting bottom frame is provided with a hole site.

As a preferable scheme: and the middle parts of the positive electrode bus board and the negative electrode bus board are respectively provided with a switching connector, and the switching connectors are used for connecting external cables.

As a preferable scheme: the adapter joint is fixed on the bus bar through the positioning block in a compression joint mode, and the end portion of the adapter joint is in contact with the connecting copper bar.

As a preferable scheme: a strip-shaped plate parallel to the bus frame is fixed on the support frame, the cross section of the strip-shaped plate is L-shaped, a plurality of reinforcing rib plates are arranged on the inner side of the strip-shaped plate, and the bus frame is detachably connected with the strip-shaped frame.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

this converge frame has been equipped with and has converged cascade piece, it has the limiting displacement to coaxial cable to converge cascade piece, can prevent that coaxial cable's end from taking place to turn round the pendulum, avoid cable core connecting portion to receive pulling of external force and tear the swing, and the briquetting locks coaxial cable enclasping on the upper and lower direction down, it can carry out effective spacing fixed with the tip to coaxial cable to descend the cooperation of briquetting, thereby can prevent that cable core and the connection between the connecting copper bar from appearing not hard up, guarantee that the junction of converge frame and cable core can bear great vibration and strike, ensure the normal operating of pulse power supply discharge experiment.

Drawings

Fig. 1 is a schematic overall structure diagram of a bus bar frame in the present embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic diagram of a right half structure of the bus bar housing according to the present embodiment;

fig. 4 is an enlarged view of a portion B in fig. 3.

In the drawings, the reference numbers indicate the following list of parts:

1. a support frame; 2. connecting the underframe; 3. a positive bus bar; 4. a negative bus bar; 5. connecting the copper bars; 6. a converging cascade block; 7. pressing the block; 8. pressing the block; 9. a coaxial cable; 10. an insulating support plate; 11. a transfer joint; 12. positioning a block; 13. a strip plate; 14. a rib plate; 15. a hold-down bolt; 16. and (7) installing holes.

Detailed Description

Referring to fig. 1 and 2, a large-current bus frame comprises a support frame 1, wherein a bar-shaped positive bus bar 3 and a bar-shaped negative bus bar 4 are fixed on the support frame 1, and the positive bus bar 3 and the negative bus bar 4 are parallel to each other; all be equipped with the cascade connection piece 6 that converges in positive pole cylinder manifold 3 and negative pole cylinder manifold 4's front, converge and cascade the inside through-hole (not shown in the figure) that is used for the cable to pass of offering of block 6, on positive pole cylinder manifold 3 and negative pole cylinder manifold 4 and be located the top and the below of cascade connection piece 6 that converge and all be provided with connection copper bar 5, connect copper bar 5 along the length direction setting of cascade connection piece 6 that converges.

Coaxial cable 9 passes the through-hole on the cascade piece 6 that converges, is provided with briquetting 7 and lower briquetting 8 respectively in the top and the below of the cascade piece 6 that converges, and lower briquetting 8 cover is outside coaxial cable 9 and with the crust crimping of coaxial cable 9, and lower briquetting 8 is connected fixedly through clamp bolt 15 and cylinder manifold or connection copper bar 5, goes up briquetting 7 cover and compresses tightly the cable core outside coaxial cable 9 cable core, goes up briquetting 7 and is connected fixedly through clamp bolt 15 and connection copper bar 5. The upper pressing block 7 and the connecting copper bar 5 are respectively contacted with the front side and the rear side of the cable core and tightly press the cable core, so that the cable core is connected and conducted with the connecting copper bar 5.

The current collection cascade block 6 has a limiting effect on the coaxial cable 9, can prevent the end of the coaxial cable 9 from generating torsion pendulum, avoid cable core connecting portion to receive pulling swing of external force, and the briquetting 8 locks the coaxial cable 9 tightly in the upper and lower directions down, the briquetting can be effectively limited and fixed to the tip of the coaxial cable 9 by the cooperation of the briquetting 8, thereby can prevent cable core and be connected between the copper bar 5 not hard up, guarantee that the junction of current collection frame and cable core can bear great vibration impact, ensure the normal operating of pulse power supply discharge experiment.

In other embodiments, the lower pressing block 8 can be omitted, and the stability and reliability of the connection between the cable core and the bus frame can be better ensured only by the action of the upper pressing block 7 and the cascading pressing block, so that the connection part of the cable core of the bus frame can basically bear the discharging vibration impact force.

In this embodiment, the cascaded briquetting passes through high strength bolt and cylinder manifold crimping, can improve the cascaded structural strength of whole device.

In addition, the insulating support plates 10 are arranged behind the positive bus bar 3 and the negative bus bar 4, the insulating support plates 10 are fixedly connected with the bus bars, the insulating performance of the bus bars can be improved by the insulating support plates 10, the voltage withstanding performance of 10KV is achieved between the positive bus bar 3 and the negative bus bar 4, and the safety and the reliability of the bus bar frame are improved. The insulating support plate 10 in this embodiment is made of epoxy glass fiber reinforced plastic.

In this embodiment, the coaxial cable 9 has a curved shape with a radius of 500mm.

The bus frame is integrally installed on the box body of the impedance adjusting unit, so that output bus is facilitated and loop connection impedance is reduced.

In order to conveniently and integrally install the bus bar on an external box body, the bottom of the support frame 1 is also provided with a connecting bottom frame 2, and the connecting bottom frame 2 is provided with a hole site.

In this embodiment, the adapter joints 11 are respectively installed in the middle of the positive bus bar 3 and the negative bus bar 4, and the adapter joints 11 are used for connecting external cables, so that the bus bar rack has more output interfaces, and the purposes and functions of the bus bar rack are expanded.

The number of the adapter connectors 11 is the same as that of the output connectors of the bus frame, and the through-current connection requirement of the pulse power supply can be met.

In this embodiment, adapter 11 passes through locating piece 12 crimping to be fixed on the cylinder manifold, and adapter 11's tip and the contact of connecting copper bar 5, so can make things convenient for dismouting adapter 11.

Referring to fig. 3 and 4, in the present embodiment, the connection modes of the positive electrode bus plate 3, the negative electrode bus plate 4 and the support frame 1 are: a strip-shaped plate 13 parallel to the bus bar is fixed on the support frame 1, the cross-sectional shape of the strip-shaped plate 13 is "L" shaped, a plurality of triangular reinforcing ribs 14 are arranged on the inner side of the strip-shaped plate 13, a plurality of mounting holes 16 are formed in the strip-shaped frame along the length direction of the strip-shaped frame, threaded holes (not shown in the figure) are formed in the bottom of the bus bar corresponding to the mounting holes 16, bolts (not shown in the figure) are installed in the mounting holes 16, the bolts are screwed into the threaded holes, the bus bar can be connected with the strip-shaped plate 13, and the bus bar can be taken down after the bolts are disassembled.

The structure can ensure the stability and the reliability of connection between the bus bar and the support frame 1, and can facilitate the disassembly and the assembly of the bus bar.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a heavy current collection flow frame, includes the support frame, is fixed with the positive pole cylinder manifold of bar and the negative pole cylinder manifold of bar on the support frame, characterized by: the positive of anodal cylinder manifold and negative pole cylinder manifold all is fixed with the cascade piece that converges, the inside through-hole that is used for the cable to pass of seting up of cascade piece that converges on anodal cylinder manifold and the negative pole cylinder manifold and the top and the below that are located the cascade piece that converges all are provided with the connection copper bar, and the cable passes the through-hole, the top and the below of cascade piece that converges are provided with briquetting and lower briquetting respectively, lower briquetting cover is outside and with the crust crimping of cable, it overlaps at the cable core outside and compresses tightly the cable core to go up the briquetting, go up the briquetting and connect the cable core that the copper bar contacted and compressed tightly the cable with the front and back both sides of cable core respectively.

2. A high current bus bar according to claim 1, wherein: the confluence cascade block is in compression joint with the confluence plate through a high-strength bolt.

3. A high current bus bar according to claim 1, wherein: the rear of anodal cylinder manifold and negative pole cylinder manifold all is provided with insulating backup pad, insulating backup pad is connected fixedly with the cylinder manifold.

4. A high current bus bar according to claim 1, wherein: the bottom of the support frame is also provided with a connecting bottom frame, and the connecting bottom frame is provided with a hole site.

5. A high current bus bar according to claim 1, wherein: adapter connectors are mounted in the middle of the positive electrode bus board and the middle of the negative electrode bus board and used for being connected with external cables.

6. A high current bus bar according to claim 5, wherein: the adapter joint is fixed on the bus bar through the positioning block in a compression joint mode, and the end portion of the adapter joint is in contact with the connecting copper bar.

7. A high current bus bar according to claim 1, wherein: a strip-shaped plate parallel to the bus frame is fixed on the support frame, the cross section of the strip-shaped plate is L-shaped, a plurality of reinforcing rib plates are arranged on the inner side of the strip-shaped plate, and the bus frame is detachably connected with the strip-shaped frame.