CN217590128U

CN217590128U - 110KV cable intelligent integrated ring network branch box

Info

Publication number: CN217590128U
Application number: CN202221454797.9U
Authority: CN
Inventors: 仲相成; 陈文�; 陈诚
Original assignee: Yancheng Jinniu Power Technology Co ltd
Current assignee: Yancheng Jinniu Power Technology Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-10-14
Anticipated expiration: 2032-06-10

Abstract

The utility model discloses a 110KV cable intelligence integration looped netowrk feeder pillar relates to cable feeder pillar technical field, the utility model discloses a cabinet body and the box of setting in cabinet internal portion, the inside supervisory equipment that is provided with of box for to its inside ground current, the partial discharge condition, and data such as SF6 gas carry out real-time supervision, the inside branch subassembly and the protection component that are provided with of box, branch subassembly includes the right angle mounting panel, first cable clamp, second cable clamp and clamping screw, bolt and box diapire fixed connection are passed through to one side of right angle mounting panel, and the through-hole that is used for the cable to alternate is offered to the inner diapire of box. The utility model relates to a 110KV cable intelligence integration looped netowrk feeder pillar, through the branch subassembly, can be fixed to the branch of cable, the cable that can the different quantity of adaptation or model simultaneously improves the fixed suitability of cable, and can improve the flexibility of cable assembly.

Description

110KV cable intelligent integrated ring network branch box

Technical Field

The utility model relates to a cable branch box technical field, in particular to 110KV cable intelligence integration looped netowrk branch box.

Background

With the development of the cabling process of a power distribution network, when independent loads with small capacity are distributed more intensively, a cable branch box can be used for multi-branch connection of cables, the cable branch box is only used as a cable branch, the cable branch box is mainly used for branching or switching the cables and mainly plays a role in cable branching and cable switching, the cable branch box is widely used outdoors, power transmission channels are increasingly tense along with the continuous increase of urban scale and population concentration, overhead lines are increasingly transformed in the ground, and the power supply radius of 110kV power transmission cables is longer and longer.

In the existing market, the line transformation of the branch connection of the original overhead line is very complex, for the convenience of management, the scheme of directly leading out the overhead line from a transformer substation is mostly adopted, so that the parallel repetition of cable loops is caused, the investment cost is greatly increased, the limited wire outlet interval of the transformer substation is occupied, and the existing solution is to adopt a ring main or a branch box to carry out multi-branch connection on the cable.

However, the existing ring network type cable branch box has some defects, the traditional cable branch box is single in structure and large in occupied space, in the assembling and using process, due to the fact that the number and the thickness of cables are different, flexible assembling performance of the cables is extremely easy to limit, assembling strength of workers is increased, and due to the fact that no good protection measures are provided for cable ends, the cables are easy to oxidize and damage, and therefore the 110KV cable intelligent integrated ring network branch box is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a 110KV cable intelligence integration looped netowrk feeder pillar, some have some shortcomings about looped netowrk type cable feeder pillar in can effectively solving the background art, traditional cable feeder pillar structure is comparatively single, occupation space is great, and in the equipment use, because cable quantity, the difference of thickness model, very easily restrict the nimble assembling nature of cable, lead to increasing staff's equipment intensity, and do not have fine safeguard measure to the cable end, cause the impaired problem of cable oxidation easily.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a110 KV cable intelligent integrated ring network branch box comprises a cabinet body and a box body arranged inside the cabinet body, wherein monitoring equipment is arranged inside the box body and used for monitoring data such as grounding current and partial discharge conditions inside the box body and SF6 gas in real time, a branch assembly and a protection assembly are arranged inside the box body, and the branch assembly is located below the protection assembly;

the branch assembly comprises a right-angle mounting plate, a first cable clamp, a second cable clamp and a fixing screw rod, one side of the right-angle mounting plate is fixedly connected with the inner bottom wall of the box body through a bolt, a through hole for inserting a cable is formed in the inner bottom wall of the box body, the first cable clamp is fixedly connected with the other side of the right-angle mounting plate, one end of the fixing screw rod sequentially penetrates through the right-angle mounting plate, the first cable clamp and the second cable clamp, and a locking nut is connected to the fixing screw rod in a threaded manner, so that the cable can be conveniently fixed and tidied in a centralized manner;

the protection assembly comprises a cable barrel, an epoxy sleeve, a connecting ring, a sealing cover plate and a protection component, wherein the cable barrel is installed in the box body through a bolt, the sealing cover plate is connected with the cable barrel through the bolt, an installation hole matched with the epoxy sleeve is formed in the inner bottom wall of the cable barrel, the connecting ring is arranged on the outer ring side of the epoxy sleeve and connected with the inner bottom wall of the cable barrel through the bolt, and an air inlet is formed in the sealing cover plate;

the protection part comprises an adsorbent cover, a mounting frame, an explosion-proof piece device and a baffle, a protection hole is formed in the cable barrel, an adsorbent is arranged in the adsorbent cover, the adsorbent cover is located under the protection hole and is connected with the bottom of the sealing cover plate through a bolt, the explosion-proof piece device is located over the protection hole and is installed at the bottom of the mounting frame, the mounting frame is connected with the top of the sealing cover plate through the bolt, and the baffle is connected with the top of the mounting frame through a screw rod so as to protect the cable and prevent oxidation.

Preferably, the number of the right angle mounting plates is four, and the four right angle mounting plates are uniformly distributed in the box body at intervals.

Preferably, the first cable clamp, the second cable clamp and the fixing screw form an integral structure with nine groups, and eight groups are annularly distributed with the remaining group as a circle center, so that the cable is convenient to branch.

Preferably, the number of the epoxy sleeves is nine, and the nine epoxy sleeves correspond to an integral structure formed by the first cable clamp, the second cable clamp and the fixing screw one by one.

Preferably, the sealing cover plate is provided with an SF6 inflation self-sealing valve, so that the interior of the cable drum is inflated conveniently.

Preferably, the outer ring side fixedly connected with O shape sealing washer in protection hole, the seal groove with O shape sealing washer looks adaptation is seted up to the bottom of mounting bracket, can improve the leakproofness of the installation of mounting bracket.

Preferably, a connecting copper bar is connected between the epoxy sleeves, and the top of each epoxy sleeve is connected with a shielding case through a screw.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, through the branch subassembly, at first insert the branch cable through the through-hole and present in carrying, and pass first cable clamp and second cable clamp, and adjust the length of cable after alternating, through being connected lock nut and clamping screw, thereby make lock nut can lock second cable clamp and first cable clamp, thereby can accomplish the branch of cable fixed, simultaneously can the different quantity of adaptation or the cable of model, improve the suitability that the cable is fixed, and can improve the flexibility of cable assembly, the cable head passes the epoxy sleeve, get into in the cable section of thick bamboo, and connect through connecting the copper bar, but lug connection branch cable circuit, shorten the power supply radius.

2. The utility model discloses in, through setting up the protection subassembly, after cable connection is accomplished, it is gaseous through air inlet input SF6, as good gas-insulated body, can protect the cable, prevent that the cable head from receiving the oxidation, cause its damage, wherein, through setting up the adsorbent cover, can absorb the inside moisture of cable drum, keep its inside drying, through setting up the explosion-proof piece device, can be when cable drum is inside to exceed certain limit, the diaphragm is broken through earlier, make its internal pressure reduce, avoid the explosion of cable drum, can improve the security of cable drum.

Drawings

Fig. 1 is a front view of the intelligent integrated ring network branch box for 110KV cables of the present invention;

fig. 2 is a sectional view of the box structure of the intelligent integrated ring network branch box for 110KV cables of the present invention;

fig. 3 is an enlarged view of a structure at a position a in fig. 2 of the intelligent integrated ring network branch box for 110KV cables of the present invention;

fig. 4 is a front sectional view of a cable drum structure of the intelligent integrated ring network branch box for 110KV cables of the present invention;

fig. 5 is the utility model discloses a B department's structure enlargements in 110KV cable intelligence integration looped netowrk feeder pillar fig. 4.

In the figure: 1. a cabinet body; 2. a box body; 3. a right-angle mounting plate; 4. a first cable clamp; 5. a second cable clamp; 6. fixing the screw rod; 7. a cable drum; 8. an epoxy sleeve; 9. a connecting ring; 10. sealing the cover plate; 11. An adsorbent housing; 12. a mounting frame; 13. an explosion-proof sheet device; 14. a baffle plate; 15. SF6 gas-filled self-sealing valve; 16. connecting copper bars; 17. a shield case; 18. and locking the nut.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the utility model relates to a 110KV cable intelligent integrated ring network branch box, which comprises a cabinet body 1 and a box body 2 arranged inside the cabinet body 1, wherein the box body 2 is internally provided with a monitoring device for monitoring the grounding current and partial discharge conditions inside the box body and data such as SF6 gas in real time, the box body 2 is internally provided with a branch component and a protection component, and the branch component is positioned below the protection component;

the branch assembly comprises a right-angle mounting plate 3, a first cable clamp 4, a second cable clamp 5 and a fixing screw 6, one side of the right-angle mounting plate 3 is fixedly connected with the inner bottom wall of the box body 2 through a bolt, a through hole for inserting a cable is formed in the inner bottom wall of the box body 2, the first cable clamp 4 is fixedly connected with the other side of the right-angle mounting plate 3, one end of the fixing screw 6 sequentially penetrates through the right-angle mounting plate 3, the first cable clamp 4 and the second cable clamp 5, and a locking nut 18 is connected to the fixing screw 6 in a threaded mode, so that the cable can be conveniently fixed and tidied in a centralized mode;

the protection assembly comprises a cable cylinder 7, an epoxy sleeve 8, a connecting ring 9, a sealing cover plate 10 and a protection component, wherein the cable cylinder 7 is installed in the box body 2 through a bolt, the sealing cover plate 10 is connected with the cable cylinder 7 through a bolt, a mounting hole matched with the epoxy sleeve 8 is formed in the inner bottom wall of the cable cylinder 7, the connecting ring 9 is arranged on the outer ring side of the epoxy sleeve 8, the connecting ring 9 is connected with the inner bottom wall of the cable cylinder 7 through a bolt, and an air inlet is formed in the sealing cover plate 10;

the protective part includes adsorbent cover 11, mounting bracket 12, explosion-proof piece device 13 and baffle 14, the protection hole has been seted up to the inside of cable section of thick bamboo 7, be provided with the adsorbent in the adsorbent cover 11, adsorbent cover 11 is located under the protection hole, and be connected through the bottom of bolt with sealed apron 10, explosion-proof piece device 13 is located directly over the protection hole, and explosion-proof piece device 13 installs in mounting bracket 12 bottom, mounting bracket 12 passes through the bolt and is connected with sealed apron 10 top, baffle 14 passes through the screw rod and is connected with mounting bracket 12 top, be convenient for protect the cable, prevent the oxidation.

The number of the right angle mounting plates 3 is four, and the four right angle mounting plates 3 are uniformly distributed in the box body 2.

The integral structure formed by the first cable clamp 4, the second cable clamp 5 and the fixing screw 6 has nine groups, and eight groups are annularly distributed by taking the rest group as a circle center, so that the cables are convenient to branch.

The number of the epoxy sleeves 8 is nine, and the nine epoxy sleeves 8 correspond to the integral structures formed by the first cable clamp 4, the second cable clamp 5 and the fixing screw 6 one by one.

An SF6 inflation self-sealing valve 15 is arranged on the sealing cover plate 10, so that the interior of the cable drum 7 can be conveniently inflated.

The outer loop side fixedly connected with O shape sealing washer in protection hole, the bottom of mounting bracket 12 set up with the seal groove of O shape sealing washer looks adaptation, can improve the leakproofness of the installation of mounting bracket 12.

A connecting copper bar 16 is connected between the epoxy sleeves 8, and the top of the epoxy sleeves 8 is connected with a shielding cover 17 through a screw rod.

The utility model discloses a theory of operation does: when the cable clamp is used, firstly, a branch cable is connected into a cable clamp through a through hole, the branch cable passes through the first cable clamp 4 and the second cable clamp 5, the length of the cable after insertion is adjusted, the locking nut 18 is connected with the fixing screw rod 6, the second cable clamp 5 and the first cable clamp 4 can be locked by the locking nut 18, branch fixing of the cable can be completed, meanwhile, cables of different quantities or models can be adapted, the applicability of cable fixing is improved, the flexibility of cable assembling can be improved, a cable head passes through the epoxy sleeve 8, enters the cable barrel 7 and is connected through the connecting copper bar 16, and the content which is not described in detail in the specification belongs to the prior art which is known by professional technicians in the field.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a 110KV cable intelligence integration looped netowrk branch case, includes cabinet body (1) and sets up box (2) inside the cabinet body (1), its characterized in that: a branch assembly and a protection assembly are arranged in the box body (2);

the branch assembly comprises a right-angle mounting plate (3), a first cable clamp (4), a second cable clamp (5) and a fixing screw (6), one side of the right-angle mounting plate (3) is fixedly connected with the inner bottom wall of the box body (2) through a bolt, a through hole for cable insertion is formed in the inner bottom wall of the box body (2), the first cable clamp (4) is fixedly connected with the other side of the right-angle mounting plate (3), one end of the fixing screw (6) penetrates through the right-angle mounting plate (3), the first cable clamp (4) and the second cable clamp (5) in sequence, and a locking nut (18) is connected to the fixing screw (6) in a threaded manner;

the protection assembly comprises a cable cylinder (7), an epoxy sleeve (8), a connecting ring (9), a sealing cover plate (10) and a protection component, wherein the cable cylinder (7) is installed in the box body (2) through a bolt, the sealing cover plate (10) is connected with the cable cylinder (7) through a bolt, a mounting hole matched with the epoxy sleeve (8) is formed in the inner bottom wall of the cable cylinder (7), the connecting ring (9) is arranged on the outer ring side of the epoxy sleeve (8), and the connecting ring (9) is connected with the inner bottom wall of the cable cylinder (7) through a bolt;

the protection component comprises an adsorbent cover (11), a mounting frame (12), an explosion-proof piece device (13) and a baffle (14), a protection hole is formed in the cable cylinder (7), the adsorbent cover (11) is located under the protection hole and is connected with the bottom of the sealing cover plate (10) through a bolt, the explosion-proof piece device (13) is located over the protection hole, the explosion-proof piece device (13) is installed at the bottom of the mounting frame (12), the mounting frame (12) is connected with the top of the sealing cover plate (10) through a bolt, and the baffle (14) is connected with the top of the mounting frame (12) through a screw.

2. The 110KV cable intelligent integrated ring network branch box according to claim 1, wherein: the quantity of right angle mounting panel (3) has four, and four right angle mounting panel (3) are even interval distribution inside box (2).

3. The 110KV cable intelligent integrated ring network branch box according to claim 1, wherein: the first cable clamp (4), the second cable clamp (5) and the fixing screw (6) form an integral structure with nine groups, and eight groups are annularly distributed by taking the rest group as a circle center.

4. The 110KV cable intelligent integrated ring network branch box according to claim 1, wherein: the number of the epoxy sleeves (8) is nine, and the epoxy sleeves (8) correspond to the whole structures formed by the first cable clamps (4), the second cable clamps (5) and the fixing screws (6) one by one.

5. The 110KV cable intelligent integrated ring network branch box according to claim 1, wherein: and an SF6 gas-filled self-sealing valve (15) is arranged on the sealing cover plate (10).

6. The 110KV cable intelligent integrated ring network branch box according to claim 1, wherein: the outer ring side fixedly connected with O shape sealing washer in protection hole, the seal groove with O shape sealing washer looks adaptation is seted up to the bottom of mounting bracket (12).

7. The 110KV cable intelligent integrated ring network branch box according to claim 1, wherein: a connecting copper bar (16) is connected between the epoxy sleeves (8), and the tops of the epoxy sleeves (8) are connected with a shielding cover (17) through screws.