CN204696635U - The shunting of cable power supply circuit T-shaped butt joint and branch component thereof - Google Patents
The shunting of cable power supply circuit T-shaped butt joint and branch component thereof Download PDFInfo
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- CN204696635U CN204696635U CN201520457829.4U CN201520457829U CN204696635U CN 204696635 U CN204696635 U CN 204696635U CN 201520457829 U CN201520457829 U CN 201520457829U CN 204696635 U CN204696635 U CN 204696635U
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- 210000001503 joint Anatomy 0.000 title claims abstract description 77
- 239000004020 conductor Substances 0.000 claims abstract description 59
- 238000009413 insulation Methods 0.000 claims abstract description 59
- 239000004033 plastic Substances 0.000 claims abstract description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000005474 detonation Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 241000309551 Arthraxon hispidus Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
Abstract
The utility model discloses the shunting of a kind of cable power supply circuit with T-shaped to connected components, mainly comprise T-shaped butt joint, T-shaped butt joint is the single piece of inner conductor and external hard plastic insulating case, and inner conductor is embedded in rigid insulation cover, and the link of inner conductor all adopts screw connection structure.T-shaped butt joint and with its supporting shunting butt joint with shunt cable connecting terminals acting in conjunction and distribute shunting cable in parallel from leader cable, during the connection of shunting cable connecting terminals and cable branch box or ring main unit, operating personnel only contact rigid insulation cover, and each tie point is all in arc control device, can hot line job, therefore, cable branch box or ring main unit enter or exit electrical network all without the need to grid power blackout, electrical network inlet wire cable is only had not return the circuit of power grid cables in cable branch box or ring main unit again, the mistake that may occur when removing certain service cable is there will not be to remove the operation returning power grid cables, prevent the generation of casualties and the unexpected power-off major accident of electrical network.
Description
Technical field
The utility model relates to a kind of cable butting part, particularly relates to the shunting of a kind of cable power supply circuit T-shaped butt joint and branch component thereof.
Background technology
Current cable branch box, ring main unit are the electric equipments of China's urban electricity supply circuit shunting, no matter be the mode network access that cable branch box or ring main unit all adopt series connection in real work, this network access mode power supply reliability is poor, there is major accident hidden danger; When cable branch box, ring main unit need repairing or change, electrical network needs to have a power failure, and affects daily life, work, causes economic loss; Because all have in cable branch box, ring main unit into, return two grid lines, two lines just can restore electricity after connecting; In addition when certain service cable is withdrawn from live line working, can cause casualties if tear power grid cables line open by mistake, cause the unexpected power-off major accident of electrical network, affect daily life, cause economic loss.When also can affect the power supply of at full line when all breaking down near the cable branch box of mains side, ring main unit.
Utility model content
The purpose of this utility model is to provide a kind of cable branch box and ring main unit to adopt the shunting of parallel way network access with T-shaped to connected components, cable branch box or ring main unit can be departed from by hot line job shunting cable connecting terminals, do not affect mains supply, improve power supply reliability, avoid major accident to occur.
The utility model discloses the shunting of a kind of cable power supply circuit T-shaped butt joint and branch component thereof, comprise T-shaped butt joint, shunting butt joint and shunting cable connecting terminals, T-shaped butt joint is connected in supply line, and shunting cable connecting terminals connects as one formation diverter branch by shunting butt joint and T-shaped butt joint; T-shaped butt joint, shunting splicing ear and shunting butt joint are the single piece of inner conductor and external hard plastic insulating case, and inner conductor is embedded in rigid insulation cover, and the link of inner conductor all adopts screw connection structure; T-shaped butt joint comprises the T-shaped rigid insulation cover of T-shaped inner conductor and the T-shaped inner conductor of setting-in, and T-shaped inner conductor head two ends are external thread rod that thread rotary orientation is contrary, bar portion is internal thread hole or be external thread rod.
The length that described T-shaped rigid insulation overlaps three directions is all longer than the corresponding length of T-shaped inner conductor, and three ports all form arc control device.
Described shunting butt joint comprises rigid insulation housing and is flush-mounted in the inner connecting conductors of its axial centre, the syndeton at inner connecting conductors two ends is external screw thread head and internal thread hole that thread rotary orientation is contrary, the length of rigid insulation housing is greater than the length of inner connecting conductors, and two ends all form arc control device.
Described shunting cable connecting terminals is linear pattern splicing ear, comprise the straight line inner conductor that straight line rigid insulation overlaps and is flush-mounted in its axial centre, the syndeton at straight line inner conductor two ends is that external screw thread head and internal thread hole or two ends are internal thread hole, the length of straight line rigid insulation cover is greater than the length of straight line inner conductor, one end forms arc control device, the other end forms cable joining room, the diameter of arc control device outer wall is less than or equal to the diameter of cable joining room outer wall, the inner chamber of cable joining room is furnished with stress tube, outer wall has ground lead connecting hole, outer wall end is connected with rigid insulation capping by external screw thread and rubber blanket.
The axial centre of described rigid insulation capping has shoulder hole, and the bigger diameter end of shoulder hole is internal thread hole.
The rigid insulation housing of described shunting butt joint puts with the straight line rigid insulation of shunting cable connecting terminals the spanner gripping section Ι, the spanner gripping section II that are respectively equipped with hexagonal prism shape.
Described shunting butt joint is with T-shaped butt joint and shunt all supporting rubber blanket when cable connecting terminals docks.
All supportingly there are solenoid type or screw type capping in the butt end of described T-shaped butt joint, shunting butt joint and shunting cable connecting terminals, and two kinds of cappings are rigid insulation body and are flush-mounted in the single piece of bonding conductor of its axial centre; The vertical sectional shape of solenoid type capping rigid insulation body is T-shaped, and its head and bar portion intersection have axial groove, and bonding conductor is the riffled tube that outer wall has locating ring; The vertical sectional shape of screw type capping rigid insulation body is U-shaped, and conduction connector is screw rod, and the outer face of screw rod is positioned at the openend port of rigid insulation body.
T-shaped butt joint of the present utility model, shunting cable connecting terminals and shunting butt joint are the single piece of inner conductor and external hard plastic insulating case, inner conductor is embedded in rigid insulation cover completely, the tie point of each inner conductor is all in arc control device, operating personnel are hard insulation in contact site in the whole course of work, can realize the hot line job of shunting cable connecting terminals disengaging cable branch box or ring main unit.
T-shaped butt joint adopts T-type structure, and its head two ends are all connected by splicing ear and leader cable, and bar portion is linked as entirety by shunting butt joint, shunting splicing ear and shunting cable, thus achieves the shunting of leader cable.Leader cable accesses the shunting of multiple cable and uses T-shaped assembly, can distribute multiple diverter branch parallel with one another, each diverter branch configures cable branch box or ring main unit respectively and to transfer power transmission again, and each branch road is separate to be independent of each other.When certain cable branch box or ring main unit need be safeguarded or change without the need to by whole grid cut-off, facilitate household electricity, reduce economic loss, and the cable branch box of each position or ring main unit break down all can not affect the power supply of at full line, improves power supply reliability.
Each shunting cable is parallel with one another, make in cable branch box or ring main unit, to only have access cable not return the circuit of leader cable, remove so there will not be when certain service cable withdrawn from by needs by mistake, ensure that the personal safety of operating personnel also prevent the unexpected power outage of the whole electrical network caused due to misoperation.
In order to make attended operation faster, rigid insulation housing and straight line rigid insulation cover are respectively equipped with the spanner gripping section of hexagonal prism shape.
T-shaped butt joint, shunting butt joint and shunting cable connecting terminals, in a pre-installation all with capping encapsulation, make the conduction connector in its rigid insulation cover keep clean dry, also avoid the screw thread of its link to be damaged simultaneously.Arranging of rubber blanket can prevent loosening and having waterproof and dampproof effect of capping.
Accompanying drawing explanation
Fig. 1 is the detonation configuration schematic diagram of the utility model preferred embodiment one.
Fig. 2 is the detonation configuration schematic diagram of the utility model preferred embodiment two.
Fig. 3 is the detonation configuration schematic diagram of the utility model preferred embodiment three.
Fig. 4 is the detonation configuration schematic diagram of the utility model preferred embodiment four.
Fig. 5 is the structure for amplifying schematic diagram of solenoid type capping.
Fig. 6 is the structure for amplifying schematic diagram of screw type capping.
Embodiment
Preferred embodiment one, as shown in Figure 1, present embodiment discloses the shunting of a kind of cable and use T-shaped sub-assembly, comprise the T-shaped butt joint of Ι type 1, shunting butt joint 2 and the T-shaped butt joint 1 of Ι type linear pattern shunting splicing ear 3, Ι type and be connected by shunting butt joint 2 with Ι type linear pattern shunting splicing ear 3.
The T-shaped butt joint of Ι type 1 is the single piece of Ι type T-shaped rigid insulation cover 11 and the T-shaped inner conductor 12 of Ι type being flush-mounted in its axial centre, the T-shaped inner conductor of Ι type 12 3 ports be external thread rod, head two ends external thread rod thread rotary orientation contrary, the length that the T-shaped rigid insulation of Ι type overlaps three directions is all longer than the corresponding length of the T-shaped inner conductor of Ι type, and three ends all form arc control device.
Shunting butt joint 2 is the single piece of rigid insulation housing 21 and the inner connecting conductors 22 being flush-mounted in its axial centre, inner connecting conductors 22 is the single piece of one end external screw thread head, one end internal thread hole, the thread rotary orientation of external screw thread head and internal thread hole is contrary, the length of rigid insulation housing 21 is greater than the length of inner connecting conductors 22, and two ends are all formed with arc control device; Rigid insulation housing 21 is provided with the capable spanner gripping section Ι of hexagonal prism.
Ι type linear pattern shunting splicing ear 3 is the single piece of Ι type straight line rigid insulation cover 31 and the Ι type straight line inner conductor 32 being flush-mounted in its axial centre, Ι type straight line inner conductor 32 is the single piece of the contrary internal thread hole of two ends thread rotary orientation, the length of Ι type straight line rigid insulation cover 31 is greater than the length of Ι type straight line inner conductor 32, one end forms arc control device, the other end forms cable joining room, the diameter of arc control device outer wall is less than the diameter of cable joining room outer wall, the inner chamber of cable joining room is furnished with stress tube 4, outer wall has ground lead connecting hole, outer wall end is connected with rigid insulation capping 5 by external screw thread and rubber blanket, the axial centre of rigid insulation capping 5 has shoulder hole, the bigger diameter end of shoulder hole is internal thread hole.Straight line rigid insulation cover 31 is provided with the capable spanner gripping section II of hexagonal prism.
Before installation, all supportingly there are solenoid type 8 or screw type capping 9 in the butt end of T-shaped butt joint 1, shunting butt joint 2 and shunting cable connecting terminals 3, and as shown in Figure 5, screw type capping 9 as shown in Figure 6 for the structure of solenoid type capping 8.Two kinds of cappings are rigid insulation body and are flush-mounted in the single piece of bonding conductor of its axial centre.The vertical sectional shape of solenoid type capping 8 rigid insulation body is T-shaped, and its head and bar portion intersection have axial groove, and bonding conductor is the riffled tube that outer wall has locating ring.The vertical sectional shape of screw type capping 9 rigid insulation body is U-shaped, and conduction connector is external screw thread head, and the outer face of external screw thread head is positioned at the openend port of rigid insulation body.
The leader cable at the present embodiment Ι type T-shaped butt joint 1 two ends first connects as one with linear pattern cable connecting terminals 3 respectively, the thread rotary orientation of the internal thread hole of Ι type straight line inner conductor 32 in two linear pattern cable connecting terminals 3 and Ι type T-shaped butt joint 1 link is contrary, then T-shaped for Ι type butt joint 1 is docked with two linear pattern cable connecting terminals 3, during docking, only need rotate the T-shaped butt joint 1 of Ι type; Shunting cable first connects as one with linear pattern cable connecting terminals 3, then linear pattern cable connecting terminals 3 and T-shaped butt joint 1 docking of Ι type is integrated by shunting butt joint, only need rotates shunting butt joint during docking.Because the tie point of each inner conductor is all in arc control device, during operated by personnel, only contact hard insulation, so all can charged attended operation be carried out, there is operating procedure simple, safe and efficient and assemble motor-driven advantage flexibly.
T-shaped butt joint adopts T-type structure, and its head two ends are all connected with leader cable, and bar portion leads to and shunting cable is linked as entirety, thus achieves the shunting of leader cable.Leader cable accesses the shunting of multiple cable and uses T-shaped assembly, can distribute multiple diverter branch parallel with one another, each diverter branch configures cable branch box or ring main unit respectively and to transfer power transmission again, and each branch road is separate to be independent of each other.When certain cable branch box or ring main unit need be safeguarded or change without the need to by whole grid cut-off, facilitate household electricity, reduce economic loss, and the cable branch box of each position or ring main unit break down all can not affect the power supply of at full line, improves power supply reliability.
Each shunting cable is parallel with one another, make in cable branch box or ring main unit, to only have access cable not return the circuit of leader cable, remove so there will not be when certain service cable withdrawn from by needs by mistake, ensure that the personal safety of operating personnel also prevent the unexpected power outage of the whole electrical network caused due to misoperation.
T-shaped butt joint, shunting butt joint and shunting cable connecting terminals, in a pre-installation all with capping encapsulation, make the conduction connector in its rigid insulation cover keep clean dry, also avoid the screw thread of its link to be damaged simultaneously.Arranging of rubber blanket can prevent loosening and having waterproof and dampproof effect of capping.
Preferred embodiment two, as shown in Figure 2, the difference of the present embodiment and preferred embodiment one is: the present embodiment cable shunt access leader cable with T-shaped sub-assembly time, Ι type T-shaped butt joint 1 head two ends connect L-type splicing ear 7.L-type splicing ear 7 is L-type rigid insulation cover 71 and the single piece of L-type inner conductor 72 being flush-mounted in its axial centre, L-type inner conductor 72 is horizontal ends and vertically holds the single piece being internal thread hole, the length of L-type rigid insulation cover 71 is greater than the length of straight line inner conductor 72, horizontal ends forms arc control device, and vertically cable joining room is formed at end bottom.Other structures of the present embodiment and attended operation are with embodiment one.
Preferred embodiment three, as shown in Figure 3, the present embodiment is mainly comprised the T-shaped butt joint 10 of II type, shunting butt joint 2 and the T-shaped butt joint of II type linear pattern shunting splicing ear 30, II type 10 and is connected by inverted shunting butt joint 2 with II type linear pattern shunting splicing ear 30.
The difference of the T-shaped butt joint of II type 10 and the T-shaped butt joint of Ι type 1 is that II type T-shaped inner conductor bar portion is internal thread hole.Comprise II type T-shaped rigid insulation cover 101 and the T-shaped inner conductor 102 of II type being flush-mounted in its axial centre, II type T-shaped inner conductor 102 head two ends are external thread rod that thread rotary orientation is contrary, bar portion is internal thread hole, the length that the T-shaped rigid insulation of II type overlaps 101 3 directions is all longer than the corresponding length of the T-shaped inner conductor 102 of II type, and three ports all form arc control device.
II type linear pattern shunting splicing ear 30 comprises II type straight line rigid insulation cover 301 and is flush-mounted in II type straight line inner conductor 302 of its axial centre, II type straight line inner conductor 302 is the single piece of the contrary screwed pipe of two ends thread rotary orientation, the length of II type straight line rigid insulation cover 301 is greater than the length of straight line inner conductor, one end forms arc control device, the other end forms cable joining room, and the diameter of arc control device outer wall equals the diameter of cable joining room outer wall.Other structures of the present embodiment and attended operation are with embodiment one.
Preferred embodiment four, as shown in Figure 4, the difference of the present embodiment and preferred embodiment three is: the present embodiment cable shunt access leader cable with T-shaped sub-assembly time, II type T-shaped butt joint head two ends connect L-type splicing ear 7.Other structures of the present embodiment and attended operation are with embodiment three.
The thread rotary orientation of two threaded ends be connected with T-shaped butt joint respectively in the splicing ear in above embodiment on the leader cable of T-shaped butt joint two ends is contrary.
Shunting cable connecting terminals can also adopt splicing ear that is T-shaped or L-type as required.
Claims (9)
1. the shunting of cable power supply circuit T-shaped butt joint and branch component thereof, it is characterized in that: it comprises T-shaped butt joint, shunting butt joint and shunting cable connecting terminals, T-shaped butt joint is connected in supply line, and shunting cable connecting terminals connects as one formation diverter branch by shunting butt joint and T-shaped butt joint; T-shaped butt joint, shunting splicing ear and shunting butt joint are the single piece of inner conductor and external hard plastic insulating case, and inner conductor is embedded in rigid insulation cover, and the link of inner conductor all adopts screw connection structure; T-shaped butt joint comprises the T-shaped rigid insulation cover of T-shaped inner conductor and the T-shaped inner conductor of setting-in, and the head two ends of T-shaped inner conductor are external screw thread head that thread rotary orientation is contrary, bar portion is internal thread hole or is external screw thread head.
2. cable power supply circuit according to claim 1 shunting T-shaped butt joint and branch component thereof, is characterized in that: the length that described T-shaped rigid insulation overlaps three directions is all longer than the corresponding length of T-shaped inner conductor, and three ports all form arc control device.
3. the shunting of cable power supply circuit T-shaped butt joint and branch component thereof according to claim 1, it is characterized in that: described shunting butt joint comprises rigid insulation housing and is flush-mounted in the inner connecting conductors of its axial centre, the syndeton at inner connecting conductors two ends is external screw thread head and internal thread hole that thread rotary orientation is contrary, the length of rigid insulation housing is greater than the length of inner connecting conductors, and two ends all form arc control device.
4. the cable power supply circuit stated according to claim 3 is shunted by T-shaped butt joint and branch component thereof, it is characterized in that: described rigid insulation housing is provided with the spanner gripping section Ι of hexagonal prism shape.
5. the shunting of cable power supply circuit T-shaped butt joint and branch component thereof according to claim 1, it is characterized in that: described shunting cable connecting terminals is linear pattern splicing ear, comprise the straight line inner conductor that straight line rigid insulation overlaps and is flush-mounted in its axial centre, the syndeton at straight line inner conductor two ends is that external screw thread head and internal thread hole or two ends are internal thread hole, the length of straight line rigid insulation cover is greater than the length of straight line inner conductor, one end forms arc control device, the other end forms cable joining room, the diameter of arc control device outer wall is less than or equal to the diameter of cable joining room outer wall, the inner chamber of cable joining room is furnished with stress tube, outer wall has ground lead connecting hole, outer wall end is connected with rigid insulation capping by external screw thread and rubber blanket.
6. cable power supply circuit shunting according to claim 5 is by T-shaped butt joint and branch component thereof, and it is characterized in that: the axial centre of described rigid insulation capping has shoulder hole, the bigger diameter end of shoulder hole is internal thread hole.
7. cable power supply circuit shunting according to claim 5 is by T-shaped butt joint and branch component thereof, it is characterized in that: the straight line rigid insulation of described shunting cable connecting terminals puts the spanner gripping section II being provided with hexagonal prism shape.
8. the shunting of cable power supply circuit T-shaped butt joint and branch component thereof according to claim 1, is characterized in that: described shunting butt joint is with T-shaped butt joint and shunt all supporting rubber blanket when cable connecting terminals docks.
9. the shunting of cable power supply circuit T-shaped butt joint and branch component thereof according to claim 8, it is characterized in that: all supportingly there are internal thread pass or screw type capping in the butt end of described T-shaped butt joint, shunting butt joint and shunting cable connecting terminals, two kinds of cappings are rigid insulation body and are flush-mounted in the single piece of bonding conductor of its axial centre; The vertical sectional shape of solenoid type capping rigid insulation body is T-shaped, and its head and bar portion intersection have axial groove, and bonding conductor is the riffled tube that outer wall has locating ring; The vertical sectional shape of screw type capping rigid insulation body is U-shaped, and conduction connector is external screw thread head, and the outer face of external screw thread head is positioned at the openend port of rigid insulation body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520457829.4U CN204696635U (en) | 2015-06-30 | 2015-06-30 | The shunting of cable power supply circuit T-shaped butt joint and branch component thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520457829.4U CN204696635U (en) | 2015-06-30 | 2015-06-30 | The shunting of cable power supply circuit T-shaped butt joint and branch component thereof |
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| CN204696635U true CN204696635U (en) | 2015-10-07 |
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| CN201520457829.4U Active CN204696635U (en) | 2015-06-30 | 2015-06-30 | The shunting of cable power supply circuit T-shaped butt joint and branch component thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739659A (en) * | 2019-11-20 | 2020-01-31 | 通号（长沙）轨道交通控制技术有限公司 | high-voltage cable intermediate joint using gas or oil insulating medium |
-
2015
- 2015-06-30 CN CN201520457829.4U patent/CN204696635U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739659A (en) * | 2019-11-20 | 2020-01-31 | 通号（长沙）轨道交通控制技术有限公司 | high-voltage cable intermediate joint using gas or oil insulating medium |
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