CN104901261A - Cable branch box shunt wall-penetrating sleeve and connecting combined member thereof - Google Patents
Cable branch box shunt wall-penetrating sleeve and connecting combined member thereof Download PDFInfo
- Publication number
- CN104901261A CN104901261A CN201510371255.3A CN201510371255A CN104901261A CN 104901261 A CN104901261 A CN 104901261A CN 201510371255 A CN201510371255 A CN 201510371255A CN 104901261 A CN104901261 A CN 104901261A
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- China
- Prior art keywords
- cable
- rigid insulation
- wall bushing
- shunting
- conduction
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
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- Cable Accessories (AREA)
Abstract
The invention discloses a cable branch box shunt wall-penetrating sleeve and a connecting combined member thereof. The cable branch box shunt wall-penetrating sleeve comprises a shunt wall-penetrating sleeve body, a docking joint and a cable connecting terminal, each of the shunt wall-penetrating sleeve body, the docking joint and the cable connecting terminal is an integral member composed of an inside electroconductive connecting body and a hard insulating body embedded in the inside electroconductive connecting body, and each cable connecting terminal is connected with the corresponding shunt wall-penetrating sleeve body integrally through the corresponding docking joint to form a combined member. Two threaded connecting ends connected with main loop wire incoming and outgoing cables are parallelly connected on a wall-penetrating side of each shunt wall-penetrating sleeve body, and multiple shunt cable threaded connecting ends communicated with the main loop cables at the same time for electroconduction are parallelly connected on an opposite side of each shunt wall-penetrating sleeve body. Shunt cables of users are in a parallel-connection state and mutually independent, and power receiving of other users is unaffected when the shunt cable connecting terminal of a certain user exits, so that power supply benefit is increased. An arc extinguishing chamber is arranged at a docking end of each of the shunt wall-penetrating sleeve bodies, the docking joints and the cable connecting terminals, only the docking joints need to be rotated during docking, and the users only contact with the hard insulating bodies during docking operation, so that the cable branch box shunt wall-penetrating sleeve is safe, quick and simple in process.
Description
Technical field
The present invention relates to a kind of cable branch box, be specifically related to a kind of cable branch box shunting wall bushing and connecting assembly thereof.
Background technology
Current cable branch box is using wedge solenoid type wall bushing as connection busbar, and American cable branch box using screw type wall bushing as connection busbar, then realizes cable branch or switching by the connecting elements be connected with wall bushing.The wall bushing of two kinds of structures is linear structure, diverting route between each user is series relationship, if the cable connecting terminals of a user goes wrong to need to remove and changes above, open circuit below will be caused, that is whole user below all the electricity went off, cause larger power failure range, cause economic loss.When wall bushing current is in addition by transition joint and cable connection end sub-connection, connect the split part that medial head and cable connecting terminals are bonding conductor and insulated part, need carry out one by one during connection, operation is loaded down with trivial details, and it is poor that feed cable can be caused to connect rear stability, must have a power failure when connecting in addition, can not electrical connection be with, affect power supply reliability, cause economic loss.
Summary of the invention
The object of the present invention is to provide that a kind of user of making powered shunting cable is separate, sub-assembly that the single piece wall bushing that is independent of each other and the transition joint be connected with wall bushing and cable connecting terminals are formed, can hot line job, raising power supply reliability and raising power supply benefit during connection.
The invention discloses a kind of cable branch box shunting wall bushing and connecting assembly thereof, comprise shunting wall bushing, banjo fixing butt jointing and cable connecting terminals, cable connecting terminals is connected as one by banjo fixing butt jointing and shunting wall bushing, shunting wall bushing is the single piece of the rigid insulation cover integration of conduction connector and setting-in conduction connector, and its side through walls is main loop cabling connection side, opposite side is shunting cable-connected side; The main loop cabling connection side of conduction connector is parallel with two threaded ends, shunting cable-connected side is parallel with multiple threaded ends; The outer face of each threaded ends of conduction connector is all positioned at the outer face of rigid insulation cover respective end, and each end that rigid insulation is overlapped all has arc control device; The outer wall of rigid insulation cover has the connecting ring in strap bolt hole.
The main loop cabling connection side of described conduction connector is parallel with two internal threads or external screw thread link, shunting cable-connected side is parallel with three internal thread links or two external screw thread links, make conduction connector formed " in " font or " work " font structure.
The external diameter of described conduction connector external screw thread link is less than the internal diameter of described rigid insulation cover respective end.
Described banjo fixing butt jointing comprises the rigid insulation body of conduction butt joint body and setting-in conduction butt joint body, conduction butt joint body be internal thread contact tube or for middle part base segment and two ends external screw thread connector single piece or be middle base segment, the single piece of one end male connection other end internal thread hole, the length of rigid insulation body extends to outside the outer face of conduction butt joint body two end connector, be hidden in rigid insulation body to make conduction butt joint body, the external diameter of external screw thread connector is less than the internal diameter of rigid insulation body respective end, the end of rigid insulation body is made to form arc control device, the outer wall of rigid insulation body has the spanner position of indent, the shape of cross section of spanner position is hexagonal prism shape.
The thread rotary orientation at described conduction butt joint body two ends is contrary.
The shape of described cable connecting terminals is L-type, for the inner conductor of respective shapes and the single piece of external hard plastic insulator integration, two links of inner conductor all adopt screw connection structure, wherein one end is mated with the screw connection structure of described banjo fixing butt jointing, the other end is the internal thread hole of stube cable Wiring nose, the length of external hard plastic insulator is greater than the length of inner conductor, the external diameter of conduction butt joint body external screw thread head is less than the internal diameter of external hard plastic insulator respective end, this end of external hard plastic insulator is made to form arc control device, the supporting cable joining room having stress tube in bottom of external hard plastic insulator cable connection end, the outer wall of cable joining room has outer wall bottom to have ground lead connecting hole, end is connected with rigid insulation capping by external screw thread.
The axial centre of described rigid insulation capping has the shoulder hole passed for cable, and the bigger diameter end inwall of shoulder hole has the internal thread supporting with described T-shaped rigid insulation body rod portion end.
Corresponding supporting screw type capping or solenoid type capping before the docking link of described shunting wall bushing, banjo fixing butt jointing and cable connecting terminals uses, 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.
All supporting corresponding rubber blanket when described solenoid type and screw type capping and shunting wall bushing, banjo fixing butt jointing and cable connection end sub-connection.
Shunting wall bushing of the present invention arranges two threaded ends in parallel in side through walls, make connection shunt wall bushing to be all connected from this side with the banjo fixing butt jointing of major loop into and out of line cable connecting terminals, the shunting cable-connected side of shunting wall bushing side through walls opposite side is communicated with the threaded ends conducted electricity the while of in parallel multiple with main loop cabling, only contact rigid insulation cover when carrying out attended operation, can electrical connection be with.The shunting cable of each user is in parallel connection, separate, and the shunting cable connecting terminals of a user goes wrong and can not have influence on the powered of another user, reduces power failure range, improves power supply benefit; Also can not have influence on the powered of other users at the shunting cable connection end period of the day from 11 p.m. to 1 a.m exiting some users, not expand power failure range, improve power supply benefit.
Shunting wall bushing, each banjo fixing butt jointing and cable connecting terminals are the single piece of internal current conductor and external hard plastic insulator, electric conductor is all embedded in rigid insulation body, each butt end of shunting wall bushing, each banjo fixing butt jointing and cable connecting terminals is made all to have arc control device, the attended operation of each electric conductor is all carried out in arc control device, each cable and corresponding splicing ear connect as one, and only need rotate banjo fixing butt jointing when docking with banjo fixing butt jointing.And only contact rigid insulation body during docking operation, can be with electrical connection, safe and efficient, operation is simple.
Shunting wall bushing, each banjo fixing butt jointing and cable connecting terminals all adopt capping encapsulation before use, make the conduction connector in each 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 preferred embodiment of the present invention one.
Fig. 2 is the detonation configuration schematic diagram of the preferred embodiment of the present invention two.
Fig. 3 is the detonation configuration schematic diagram of the preferred embodiment of the present invention 3.
Fig. 4 is the structure for amplifying schematic diagram of screw type capping.
Fig. 5 is the structure for amplifying schematic diagram of solenoid type capping.
Embodiment
Preferred embodiment one, as shown in Figure 1, present embodiment discloses a kind of cable branch box shunting wall bushing and connecting assembly thereof, comprise I type shunting wall bushing 1, I type banjo fixing butt jointing 2 and external screw thread head dummy L-type cable connecting terminals 3, L-type cable connecting terminals 3 is shunted wall bushing 1 by I type banjo fixing butt jointing 2 and I type and is connected as one formation sub-assembly.
I type shunting wall bushing 1 be the single piece that the rigid insulation of conduction connector 11 and setting-in conduction connector 11 overlaps 12 integrations, and its side through walls is main loop cabling connection side, opposite side is for shunting cable-connected side; The main loop cabling connection side of conduction connector 11 is parallel with two internal thread links, shunting cable-connected side is parallel with three internal thread links, two in two internal thread links of main loop cabling connection side and shunting cable-connected side three internal thread links longitudinal center lines altogether, make conduction connector 11 formed " in " font structure.The outer face of each threaded ends of conduction connector 11 is all positioned at the outer face that rigid insulation overlaps 12 respective end, and each end making rigid insulation overlap 12 all has arc control device.The outer wall of rigid insulation cover 12 has the connecting ring in strap bolt hole.
I type banjo fixing butt jointing 2 comprises the rigid insulation body 22 of conduction butt joint body 21 and setting-in conduction butt joint body 21, and conduction butt joint body 21 is the single piece of middle base segment, one end male connection other end internal thread hole, and the thread rotary orientation of two ends external screw thread connector is contrary.The length of rigid insulation body 22 extends to outside the outer face of conduction butt joint body 21 liang of end connectors, be hidden in rigid insulation body 22 to make conduction butt joint body 21, the external diameter of external screw thread connector is less than the internal diameter of rigid insulation body 22 respective end, the end of rigid insulation body 22 is made to form arc control device, the outer wall of rigid insulation body 22 has the spanner position 221 of indent, and the shape of cross section of spanner position 221 is hexagonal prism shape.
The shape of L-type cable connecting terminals 3 is L-type, for the inner conductor 31 of respective shapes and the single piece of external hard plastic insulator 32 integration, two links of inner conductor 31 all adopt screw connection structure, wherein one end is the thread head mated with the internal thread hole of I type banjo fixing butt jointing 2, the other end is the internal thread hole of stube cable Wiring nose, the length of external hard plastic insulator 32 is greater than the length of inner conductor 31, the external diameter of conduction butt joint body 31 external screw thread head is less than the internal diameter of external hard plastic insulator 32 respective end, this end of external hard plastic insulator 32 is made to form arc control device, the supporting cable joining room 321 having stress tube in the bottom of external hard plastic insulator 32 cable connection end, the outer wall of cable joining room 321 has outer wall bottom to have ground lead connecting hole 322, end is connected with rigid insulation capping 33 by external screw thread.The axial centre of rigid insulation capping 33 has the shoulder hole passed for cable.
Before the docking link of I type shunting wall bushing 1, I type banjo fixing butt jointing 2 and L-type cable connecting terminals 3 uses, corresponding supporting screw type capping 9 or solenoid type capping 10, 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 10 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 screw rod, and the outer face of screw rod is positioned at the openend port of rigid insulation body.Solenoid type shunt wall bushing 1, I type banjo fixing butt jointing 2 with screw type capping and I type and L-type cable connecting terminals 3 is connected time all supporting corresponding rubber blanket 4.
Each L-type cable connecting terminals first connects as one with cable in uncharged situation, I type shunting wall bushing is first installed on by bolt on the dividing plate of cable branch tank shell, then respectively power supply is connected as a single entity into and out of cable connecting terminals and shunting cable connecting terminals with shunting wall bushing by banjo fixing butt jointing when charged, only need clamp the spanner position rotation banjo fixing butt jointing of banjo fixing butt jointing with spanner during docking, simple to operate.Can not contact electrification body in connection, for charged dismounting cable branch box connecting elements provides safety guarantee.All supporting corresponding rubber blanket between each connector when noting docking.
Preferred embodiment two, as shown in Figure 2, the difference of the present embodiment and preferred embodiment one is: shunt wall bushing and banjo fixing butt jointing II type that is respectively shunts wall bushing 4 and II type banjo fixing butt jointing 5, the difference that wall bushing 1 shunted by II type shunting wall bushing 4 and I type is that the external screw thread link of two common longitudinal center lines in parallel is distinguished in its both sides, II type shunting wall bushing 4 is made to form " work " font structure, the external diameter at its rigid insulation cover two ends is greater than the external screw thread link external diameter of conduction connector, and the two ends that rigid insulation is overlapped form arc control device.The inner conductive butt joint body of II type banjo fixing butt jointing 5 is riffled tube, and corresponding external hard plastic insulating case is straight tube jacket, and its two ends form the arc control device being convenient to the capping of connecting screw rod type.Other structure of the present embodiment and docking operation are with preferred embodiment one.
Preferred embodiment three, as shown in Figure 3, the difference of the present embodiment and preferred embodiment one is: shunt wall bushing and wall bushing 6 shunted by banjo fixing butt jointing III type that is respectively, and L-type cable connecting terminals is bag internal thread pass cable connecting terminals 7 also.III type shunting wall bushing 6 is its main loop cabling connection side two internal thread links in parallel with the difference that wall bushing 1 shunted by I type, shunts cable-connected side two external screw thread links in parallel, the threaded ends longitudinal center line altogether of both sides, makes III type shunting wall bushing 6 form " work " font structure.With the difference of external screw thread head dummy cable connecting terminals, internal thread pass cable connecting terminals 7 is that the syndeton of its butt end is internal thread hole.Other structure of the present embodiment and docking operation are with preferred embodiment one.
The shunting wall bushing of the various embodiments described above of the present invention arranges two threaded ends in parallel in side through walls, make connection shunt wall bushing to be all connected from this side with the banjo fixing butt jointing of major loop into and out of line cable connecting terminals, the shunting cable-connected side of shunting wall bushing side through walls opposite side is communicated with the threaded ends conducted electricity the while of in parallel multiple with main loop cabling, only contact rigid insulation cover when carrying out attended operation, can electrical connection be with.The shunting cable of each user is in parallel connection, separate, and the shunting cable connecting terminals of a user goes wrong and can not have influence on the powered of another user, reduces power failure range, improves power supply benefit; Also can not have influence on the powered of other users at the shunting cable connection end period of the day from 11 p.m. to 1 a.m exiting some users, not expand power failure range, improve power supply benefit.
Shunting wall bushing, each banjo fixing butt jointing and cable connecting terminals are the single piece of internal current conductor and external hard plastic insulator, electric conductor is all embedded in rigid insulation body, each butt end of shunting wall bushing, each banjo fixing butt jointing and cable connecting terminals is made all to have arc control device, the attended operation of each electric conductor is all carried out in arc control device, each cable and corresponding splicing ear connect as one, and only need rotate banjo fixing butt jointing when docking with banjo fixing butt jointing.And only contact rigid insulation body during docking operation, can be with electrical connection, safe and efficient, operation is simple.
Shunting wall bushing, each banjo fixing butt jointing and cable connecting terminals all adopt capping encapsulation before use, make the conduction connector in each 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.
Claims (9)
1. a cable branch box shunting wall bushing and connecting assembly thereof, it is characterized in that: this sub-assembly comprises shunting wall bushing, banjo fixing butt jointing and cable connecting terminals, cable connecting terminals is connected as one by banjo fixing butt jointing and shunting wall bushing, shunting wall bushing is the single piece of the rigid insulation cover integration of conduction connector and setting-in conduction connector, and its side through walls is main loop cabling connection side, opposite side is shunting cable-connected side; The main loop cabling connection side of conduction connector is parallel with two threaded ends, shunting cable-connected side is parallel with multiple threaded ends; The outer face of each threaded ends of conduction connector is all positioned at the outer face of rigid insulation cover respective end, and each end that rigid insulation is overlapped all has arc control device; The outer wall of rigid insulation cover has the connecting ring in strap bolt hole.
2. cable branch box shunting wall bushing according to claim 1 and connecting assembly thereof, it is characterized in that: the main loop cabling connection side of described conduction connector is parallel with two internal threads or external screw thread link, shunting cable-connected side is parallel with three internal thread links or two external screw thread links, make conduction connector formed " in " font or " work " font structure.
3. cable branch box shunting wall bushing according to claim 2 and connecting assembly thereof, is characterized in that: the external diameter of described conduction connector external screw thread link is less than the internal diameter of described rigid insulation cover respective end.
4. cable branch box shunting wall bushing according to claim 1 and connecting assembly thereof, it is characterized in that: described banjo fixing butt jointing comprises the rigid insulation body of conduction butt joint body and setting-in conduction butt joint body, conduction butt joint body be internal thread contact tube or for middle part base segment and two ends external screw thread connector single piece or be middle base segment, the single piece of one end male connection other end internal thread hole, the length of rigid insulation body extends to outside the outer face of conduction butt joint body two end connector, be hidden in rigid insulation body to make conduction butt joint body, the external diameter of external screw thread connector is less than the internal diameter of rigid insulation body respective end, the end of rigid insulation body is made to form arc control device, the outer wall of rigid insulation body has the spanner position of indent, the shape of cross section of spanner position is hexagonal prism shape.
5. cable branch box shunting wall bushing according to claim 4 and connecting assembly thereof, is characterized in that: the thread rotary orientation at the conduction butt joint body two ends of described banjo fixing butt jointing is contrary.
6. cable branch box shunting wall bushing according to claim 1 and connecting assembly thereof, it is characterized in that: the shape of described cable connecting terminals is L-type, for the inner conductor of respective shapes and the single piece of external hard plastic insulator integration, two links of inner conductor all adopt screw connection structure, wherein one end is mated with the screw connection structure of described banjo fixing butt jointing, the other end is the internal thread hole of stube cable Wiring nose, the length of external hard plastic insulator is greater than the length of inner conductor, the external diameter of conduction butt joint body external screw thread head is less than the internal diameter of external hard plastic insulator respective end, this end of external hard plastic insulator is made to form arc control device, the supporting cable joining room having stress tube in bottom of external hard plastic insulator cable connection end, the outer wall of cable joining room has outer wall bottom to have ground lead connecting hole, end is connected with rigid insulation capping by external screw thread.
7. cable branch box shunting wall bushing according to claim 1 and connecting assembly thereof, it is characterized in that: the axial centre of described rigid insulation capping has the shoulder hole passed for cable, the bigger diameter end inwall of shoulder hole has the internal thread supporting with described T-shaped rigid insulation body rod portion end.
8. cable branch box shunting wall bushing according to claim 1 and connecting assembly thereof, it is characterized in that: corresponding supporting screw type capping or solenoid type capping before the docking link of described shunting wall bushing, banjo fixing butt jointing and cable connecting terminals uses, 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.
9. cable branch box shunting wall bushing according to claim 8 and connecting assembly thereof, is characterized in that: described solenoid type and screw type capping and all supporting corresponding rubber blanket when shunting wall bushing, banjo fixing butt jointing and cable connection end sub-connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510371255.3A CN104901261B (en) | 2015-06-30 | 2015-06-30 | Cable branch box shunt wall-penetrating sleeve and connecting combined member thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510371255.3A CN104901261B (en) | 2015-06-30 | 2015-06-30 | Cable branch box shunt wall-penetrating sleeve and connecting combined member thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104901261A true CN104901261A (en) | 2015-09-09 |
| CN104901261B CN104901261B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510371255.3A Active CN104901261B (en) | 2015-06-30 | 2015-06-30 | Cable branch box shunt wall-penetrating sleeve and connecting combined member thereof |
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|---|---|---|---|---|
| FR2583497A1 (en) * | 1985-06-17 | 1986-12-19 | Capri Codec Sa | Device for holding a conduit passing through a wall |
| CN2370576Y (en) * | 1999-02-24 | 2000-03-22 | 富景科技工业有限公司 | Connector |
| CN2687913Y (en) * | 2004-02-20 | 2005-03-23 | 长沙电缆附件有限公司 | T-shape branch joint for power cable branching |
| CN200979979Y (en) * | 2006-12-05 | 2007-11-21 | 广东长园电缆附件有限公司 | L-shaped extendable branch joint applied to a middle-voltage cable branch system |
| CN104332938A (en) * | 2014-10-29 | 2015-02-04 | 湖南昊晟机电设备有限公司 | Low-voltage cable branching connector and low-voltage cable distribution box |
| CN204732841U (en) * | 2015-06-30 | 2015-10-28 | 国家电网公司 | Cable branch box shunting wall bushing and connecting assembly thereof |
-
2015
- 2015-06-30 CN CN201510371255.3A patent/CN104901261B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2583497A1 (en) * | 1985-06-17 | 1986-12-19 | Capri Codec Sa | Device for holding a conduit passing through a wall |
| CN2370576Y (en) * | 1999-02-24 | 2000-03-22 | 富景科技工业有限公司 | Connector |
| CN2687913Y (en) * | 2004-02-20 | 2005-03-23 | 长沙电缆附件有限公司 | T-shape branch joint for power cable branching |
| CN200979979Y (en) * | 2006-12-05 | 2007-11-21 | 广东长园电缆附件有限公司 | L-shaped extendable branch joint applied to a middle-voltage cable branch system |
| CN104332938A (en) * | 2014-10-29 | 2015-02-04 | 湖南昊晟机电设备有限公司 | Low-voltage cable branching connector and low-voltage cable distribution box |
| CN204732841U (en) * | 2015-06-30 | 2015-10-28 | 国家电网公司 | Cable branch box shunting wall bushing and connecting assembly thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104901261B (en) | 2017-04-12 |
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