CN204835464U - Quick plug cable branch case - Google Patents
Quick plug cable branch case Download PDFInfo
- Publication number
- CN204835464U CN204835464U CN201520607761.3U CN201520607761U CN204835464U CN 204835464 U CN204835464 U CN 204835464U CN 201520607761 U CN201520607761 U CN 201520607761U CN 204835464 U CN204835464 U CN 204835464U
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- Prior art keywords
- cable
- casing
- straight line
- shell
- insulating barrier
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Abstract
The utility model provides a quick plug cable branch case, including box, insulator, copper bar, connecting wire, T shape cable termination and sharp adapter, insulator, copper bar, connecting wire and T shape cable termination set up in the box, the straight line adapter includes conducting rod, insulating layer, quick joint head and shell, 3 the one end of individual sharp adapter is connected with T shape cable termination electricity in the box, 3 individual sharp adapter, 3 T shape cable termination, 3 connecting wire and 3 copper bars constitute 3 looks electric pathways, during the use, 3 copper bars correspond and are connected with A, B, the C triple line of looped netowrk cabinet inlet wire cable, 3 individual sharp adapter is through its quick joint head and 3 bypass cable joint's quick -operation joint joint. The utility model discloses simple structure, cost are not high, and it is convenient to realize, can reduce the distance of laying of flexible bypass cable during the use by a wide margin, effectively solve a power supply point and the remote difficult problem of laying of flexible bypass cable, promote recovery work efficiency.
Description
Technical field
The utility model relates to supply line's bypass operation apparatus field, is specifically related to a kind of fast insert-pull cable branch box for bypass operation maintenance ring main unit.
Background technology
In cable line bypass operation process, generally utilize bypass cable and relevant device quick lap joint bypass power supply circuit at the scene, cross-over connection Awaiting Overhaul or salvaging cable part of path or equipment, by-pass line is made to replace former circuit to customer power supply by back brake, meanwhile, workmen safeguards the former cable line Awaiting Overhaul section be under power down mode or equipment, overhaul and changes.When bypass operation maintenance ring main unit, mainly there are two difficult points in bypass cable system building: one is to have power supply point: be generally receive neighbouring ring main unit standby spacing; Two is that bypass cable lays environment and will get well, and can not cross over road frequently.The feature of these two difficult points and downtown area load intensive creates contradiction, because the rare standby spacing of center ring main unit, need when finding power supply point to find the ring main unit having standby spacing in addition a long way off, extend bypass cable line arrangement distance, strengthen construction work amount, extend the activity duration, increase bypass operation number of devices, virtually add potential safety hazard point.
Based on the needs of actual field operation, if a kind of interconnecting device can be developed, by being connected with bypass cable by original looped network cabinet wire cable, then the former power cable part completed can be used to replace bypass cable, the difficult problem solving power supply point and lay at a distance.10kV circuit is pressed mostly to adopt XLPE insulated power cable in domestic distribution, generally install according to ring main unit structure the T-shaped cable termination that the exposed cable indoor terminal of binding post or binding post close, inside cable terminal and ring main unit connected mode are bolt matable.What bypass cable implement adopted is flexible power cable, and end installs quick plug-in bypass cable terminals.Cable branch box is equipment cable being carried out tap and switching conventional in supply line, but the cable branch box of routine is due to the restriction of structure, can not directly be connected with bypass cable.
Utility model content
The purpose of this utility model is: for the practical challenges in ring main unit upkeep operation, a kind of fast insert-pull cable branch box for fast connecting ring net cabinet inlet wire cable and bypass cable is provided, with under realization at the scene various complex environment, by looped network cabinet wire cable directly fast and bypass cable equipment be electrically connected, common composition inicdental bypath cable power supply circuit, thus ring main unit is rushed to repair under powering-off state or overhauls, do not affect the power supply to user simultaneously.
The technical solution of the utility model is: fast insert-pull cable branch box of the present utility model, and its design feature is: comprise casing, insulator, copper bar, connection wire, T-shaped cable termination and straight line adapter;
Above-mentioned insulator, copper bar, connection wire and T-shaped cable termination are arranged in casing; Insulator, copper bar, T-shaped cable termination and straight line adapter are respectively provided with identical 3 of structure respectively; Connect wire and be provided with 3;
Copper bar has the front binding post of one connection and rear binding post; 3 copper bars are respectively fixedly installed 1 respectively on 3 insulators;
Above-mentioned straight line adapter comprises conducting rod, insulating barrier, rapid card joint and shell;
Conducting rod comprises the front cylinder of one connection and rear cylinder; And the front cylindrical diameter of conducting rod is greater than rear cylindrical diameter; Be provided with screw thread hole recessed from front to back along axis in the front cylinder of conducting rod, the screw thread hole internal fixtion of conducting rod is provided with thread; Stair-stepping bypass cable spliced eye recessed is from back to front provided with along axis, supporting preposition flexible tight loop in bypass cable spliced eye in the rear cylinder of conducting rod;
Insulating barrier is coated on the outer face of conducting rod; Insulating barrier is made up of the first round platform portion of hollow, the second round platform portion, the first cylinder part, the second cylinder part and the three cylindrical body that one connects successively from front to back; The external diameter in the first round platform portion is less than the external diameter in the second round platform portion; The external diameter of the first cylinder part, the second cylinder part and three cylindrical body reduces successively;
Rapid card adaptor cup jointing in the rear end in the second round platform portion of insulating barrier and the rear portion of the three cylindrical body of insulating barrier stretch out backward through rapid card joint; The outer peripheral face that shell is fixedly mounted on the second round platform portion of insulating barrier is fixedly connected with the front end of rapid card joint;
Above-mentioned straight line adapter is fixedly installed on rear end, the bottom panel of casing by its shell; The rapid card joint of straight line adapter is positioned at the outside of rear end, the bottom panel of casing; 3 straight line adapters are fixedly connected with corresponding 1 T-shaped cable termination bolt respectively by the thread in respective conducting rod; The upper end of 3 T-shaped cable terminations respectively connects that wire is corresponding with the rear binding post of 3 copper bars to be electrically connected respectively by 1;
During use, the front binding post of 3 copper bars is corresponding with A, B, C triple line of looped network cabinet wire cable to be connected; 3 straight line adapters pass through the snap joint clamping of its rapid card joint and 3 bypass cable joints.
Further scheme is: above-mentioned casing entirety is cuboid, box house hollow; The upper front of casing is provided with can the chamber door of folding, and chamber door is equipped with box cover lock; The two sides, bottom of casing are provided with radiator window; The lower front part face of casing is provided with the cable of folding can pass through door; The bottom Corner Strapped of casing is provided with the roller of 4 band service brakes.
Further scheme is: the external dimensions of above-mentioned casing be 680mm length × 535mm wide × 1150mm is high.
Further scheme is: above-mentioned T-shaped cable termination is standard configuration type bolt matable T-shaped cable termination.
Further scheme is: the rapid card joint of above-mentioned straight line adapter is standard configuration type rapid card joint, and the front end of rapid card joint has installation retainer ring; Shell is made up of laterally zygomorphic 2 parts; External shape after shell installation is square; The interior shape of shell matches with the external shape in the second round platform portion of insulating barrier; The Internal back end of shell is provided with Fixing shrink ring access slot; Rapid card joint is installed retainer ring by it and to be matched with the Fixing shrink ring access slot of shell and to be fixedly connected with shell.
Further scheme also has: the ethylene propylene diene monomer (EPDM) material of the material of the insulating barrier of above-mentioned straight line adapter to be compression stress be 8-12kg/cm2.
The utility model has positive effect: (1) fast insert-pull cable branch box of the present utility model, design using common cable feeder pillar as source, bypass cable straight line adapter is fixed on feeder pillar, its outer end and bypass cable terminals can socket connections fast, the inner is connected with the copper bar in feeder pillar with T-shaped cable termination, and structure is simple, and cost is not high, it is convenient, safe to use to realize.(2) fast insert-pull cable branch box of the present utility model, when it uses, utilize the looped network cabinet wire power cable that laid to replace bypass cable, thus significantly can reduce flexible bypass cable lay distance, efficiently solve the difficult problem that power supply point and flexible bypass cable lay at a distance.(3) by using fast insert-pull cable branch box of the present utility model, the construction work amount of ring main unit maintenance or repairing and activity duration can be made to shorten dramatically, and construction safety hidden danger point greatly reduces.
Accompanying drawing explanation
Fig. 1 is external structure schematic diagram of the present utility model;
Fig. 2 is the rearview of Fig. 1;
Fig. 3 is the right view of Fig. 1;
Fig. 4 is internal structure schematic diagram of the present utility model, also schematically shows in figure the utility model in use with the annexation of looped network cabinet wire cable and bypass cable;
Fig. 5 is the structural representation of Fig. 4 cathetus adapter;
Fig. 6 is the axial cutaway view of Fig. 5;
The split type status architecture schematic diagram of main member that Fig. 7 is the straight line adapter shown in Fig. 5.
Reference numeral in above-mentioned accompanying drawing is as follows:
Casing 1, chamber door 11, box cover lock 12, radiator window 13, cable passes through door 14, roller 15,
Insulator 2,
Copper bar 3, front binding post 31, rear binding post 32,
Connect wire 4,
T-shaped cable termination 5,
Straight line adapter 6, conducting rod 61, thread 61-1, bypass cable spliced eye 61-2, elastic fastening circle 61-3; Insulating barrier 62, the first round platform portion 62-1, the second round platform portion 62-2, the first cylinder part 62-3, the second cylinder part 62-4, three cylindrical body 62-5, rapid card joint 63, installs retainer ring 63-1, shell 64, Fixing shrink ring access slot 64-1;
Insulating barrier 7,
Looped network cabinet wire cable 8,
Bypass cable 9, snap joint 91.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
(embodiment 1)
See Fig. 1 to Fig. 4, the fast insert-pull cable branch box of the present embodiment, it forms primarily of casing 1, insulator 2, copper bar 3, connection wire 4, T-shaped cable termination 5, straight line adapter 6 and insulating barrier 7.
Casing 1 entirety is in cuboid, casing 1 inner hollow, in the present embodiment, the external dimensions of casing 1 is preferably 680mm × 535mm × 1150mm(length × wide × height according to operation practice experience), narrow and small, lack of standardization to adapt to Active workings when ring main unit overhauls, the former line cord length in reserve of ring main unit waits operation actual environment not.The upper front of casing 1 is provided with can the chamber door 11 of folding, and chamber door 11 can utilize box cover lock 12 to lock; The two sides, bottom of casing 1 are provided with radiator window 13; The lower front part face of casing 1 be provided with can the cable of folding by door 14; The bottom Corner Strapped of casing 1 is provided with the roller 15 of 4 band service brakes, and it is convenient mobile when operation that the object arranging roller 15 is to make casing 1, easy access operation.
Insulator 2 is provided with 3, and these 3 insulators 2 are fixedly installed on rear side of the top in casing 1.
Copper bar 3 is provided with identical 3 of structure, and these 3 copper bars 3 are respectively fixedly installed 1 respectively on 3 insulators 2; Copper bar 3 has front binding post 31 and the rear binding post 32 of one connection.
Connect wire 4 and be provided with 3.
T-shaped cable termination 5 is fixedly installed on the bottom in casing 1; T-shaped cable termination 5 is standard configuration type bolt matable T-shaped cable termination; T-shaped cable termination 5 is provided with identical 3 of structure; The upper end of these 3 T-shaped cable terminations 5 respectively connects wire 4 by 1 respectively and is electrically connected with rear binding post 32 one_to_one corresponding of 3 copper bars 3.
Straight line adapter 6 is provided with identical 3 of structure, and these 3 straight line adapters 6 are fixedly installed on rear end, the bottom panel of casing 1.
See Fig. 5 to Fig. 7, straight line adapter 6 forms primarily of conducting rod 61, insulating barrier 62, rapid card joint 63 and shell 64.
Conducting rod 61 is integrally made up of front cylinder and rear cylinder, and the front cylindrical diameter of conducting rod 61 is greater than rear cylindrical diameter; Be provided with screw thread hole recessed from front to back along axis in the front cylinder of conducting rod 61, the screw thread hole internal fixtion of conducting rod 61 is provided with the thread 61-1 for being fixedly connected with T-shaped cable termination 5; Stair-stepping bypass cable spliced eye 61-2 recessed is from back to front provided with along axis, the elastic fastening circle 61-3 arranged before and after being equipped with 2 points before supporting in bypass cable spliced eye 61-2 in the rear cylinder of conducting rod 61.
Preferably compression stress is adopted to be the ethylene propylene diene monomer (EPDM) material of 8-12kg/cm2 in material the present embodiment of insulating barrier 62.Insulating barrier 62 is coated on the outer face of conducting rod 61.Insulating barrier 62 is integrated part, and insulating barrier 62 is made up of the first round platform portion 62-1 of hollow, the second round platform portion 62-2, the first cylinder part 62-3, the second cylinder part 62-4 and three cylindrical body 62-5 that one connects successively from front to back; The external diameter of the first round platform portion 62-1 is less than the external diameter of the second round platform portion 62-2; The external diameter of the first cylinder part 62-3, the second cylinder part 62-4 and three cylindrical body 62-5 reduces successively.
Adopt the rapid card joint of standard configuration in rapid card joint 63 the present embodiment, the front end of rapid card joint 63 has installs retainer ring 63-1.
Shell 64 is steelwork, and shell 64 is made up of laterally zygomorphic 2 parts, and the external shape after shell 64 installation is square; The interior shape of shell 64 matches with the external shape of the second round platform portion 62-2 of insulating barrier 62; The Internal back end of shell 64 is provided with Fixing shrink ring access slot 64-1; During installation, rapid card joint 63 is socketed in the rear end of the second round platform portion 62-2 of insulating barrier 62 and the rear portion of the three cylindrical body 62-5 of insulating barrier 62 is stretched out backward through rapid card joint 63; The installation retainer ring 63-1 of rapid card joint 63 is placed in the Fixing shrink ring access slot 64-1 of shell 64; Then 2 partial fixings up and down of shell 64 are connected, thus rapid card joint 63 is fixed.
Aforesaid straight line adapter 6 mode be fixedly installed on rear end, the bottom panel of casing 1 is be fixedly connected with rear end, the bottom panel of casing 1 by the shell 64 of straight line adapter 6; Rapid card joint 63 is positioned at the outside of rear end, the bottom panel of casing 1.
See Fig. 2 and Fig. 4,3 straight line adapters 6 are fixedly connected with corresponding 1 T-shaped cable termination 5 bolt respectively by the thread 61-1 in respective conducting rod 61, fastening nuts.Thus make 3 straight line adapters, 6,3 T-shaped cable terminations 5,3 connection wire 4 and 3 copper bars 3 form 3 phase electric pathways.
Insulating barrier 7 alternative is arranged.Insulating barrier 7 to be fixedly installed in casing 1 and to be positioned at T-shaped cable termination 5 and the front being connected wire 4.
The fast insert-pull cable branch box of the present embodiment, it in use, after by roller 15 casing 1 being moved to easily the other correct position of ring main unit of Awaiting Overhaul, looped network cabinet wire cable 8 is introduced in casing 1 by the cable of casing 1 by door 14, A, B, C triple line of looped network cabinet wire cable 8 is connected with binding post 31 is corresponding before 3 copper bars 3 respectively; 3 bypass cable joints 9 are distinguished rapid card joint 63 clamping that is each and 1 straight line adapter 6 by its snap joint 91,3 bypass cable joints 9 are electrically connected respectively with the conducting rod 61 of 3 straight line adapters 6, thus form one and connect by A, B, C triple line of looped network cabinet wire cable 8,3 copper bars 3,3 the former power supply customer power supply of ring main unit that supply access that wire 4,3 T-shaped cable terminations 5,3 straight line adapters 6 and 3 bypass cable joints 9 form continues as Awaiting Overhaul, this ring main unit can carry out overhauling or rushing to repair in the event of a power failure.
Above embodiment is the explanation to embodiment of the present utility model; but not to restriction of the present utility model; person skilled in the relevant technique is not when departing from spirit and scope of the present utility model; can also make various conversion and change and obtain corresponding equivalent technical scheme, therefore all equivalent technical schemes all should be included into scope of patent protection of the present utility model.
Claims (6)
1. a fast insert-pull cable branch box, is characterized in that: comprise casing (1), insulator (2), copper bar (3), connect wire (4), T-shaped cable termination (5) and straight line adapter (6);
Described insulator (2), copper bar (3), connection wire (4) and T-shaped cable termination (5) are arranged in casing (1); Insulator (2), copper bar (3), T-shaped cable termination (5) and straight line adapter (6) are respectively provided with identical 3 of structure respectively; Connect wire (4) and be provided with 3;
Copper bar (3) has front binding post (31) and the rear binding post (32) of one connection; 3 copper bars (3) are respectively fixedly installed 1 respectively on 3 insulators (2);
Described straight line adapter (6) comprises conducting rod (61), insulating barrier (62), rapid card joint (63) and shell (64);
Conducting rod (61) comprises the front cylinder of one connection and rear cylinder; And the front cylindrical diameter of conducting rod (61) is greater than rear cylindrical diameter; Be provided with screw thread hole recessed from front to back along axis in the front cylinder of conducting rod (61), the screw thread hole internal fixtion of conducting rod (61) is provided with thread (61-1); Stair-stepping bypass cable spliced eye (61-2) recessed is from back to front provided with along axis, supporting preposition flexible tight loop (61-3) in bypass cable spliced eye (61-2) in the rear cylinder of conducting rod (61);
Insulating barrier (62) is coated on the outer face of conducting rod (61); Insulating barrier (62) is made up of the first round platform portion (62-1) of hollow, the second round platform portion (62-2), the first cylinder part (62-3), the second cylinder part (62-4) and the three cylindrical body (62-5) that one connects successively from front to back; The external diameter in the first round platform portion (62-1) is less than the external diameter in the second round platform portion (62-2); The external diameter of the first cylinder part (62-3), the second cylinder part (62-4) and three cylindrical body (62-5) reduces successively;
Rapid card joint (63) is socketed in the rear end in the second round platform portion (62-2) of insulating barrier (62) and the rear portion of the three cylindrical body (62-5) of insulating barrier (62) is stretched out backward through rapid card joint (63); The outer peripheral face that shell (64) is fixedly mounted on the second round platform portion (62-2) of insulating barrier (62) is fixedly connected with the front end of rapid card joint (63);
Described straight line adapter (6) is fixedly installed on rear end, the bottom panel of casing (1) by its shell (64); The rapid card joint (63) of straight line adapter (6) is positioned at the outside of rear end, the bottom panel of casing (1); 3 straight line adapters (6) are fixedly connected with corresponding 1 T-shaped cable termination (5) bolt respectively by the thread (61-1) in respective conducting rod (61); The upper end of 3 T-shaped cable terminations (5) respectively connects that wire (4) is corresponding with the rear binding post (32) of 3 copper bars (3) to be electrically connected respectively by 1;
During use, the front binding post (31) of 3 copper bars (3) is corresponding with A, B, C triple line of looped network cabinet wire cable (8) to be connected; 3 straight line adapters (6) are by snap joint (91) clamping of its rapid card joint (63) with 3 bypass cable joints (9).
2. fast insert-pull cable branch box according to claim 1, is characterized in that: described casing (1) entirety is cuboid, casing (1) inner hollow; The upper front of casing (1) is provided with can the chamber door (11) of folding, and chamber door (11) is equipped with box cover lock (12); The two sides, bottom of casing (1) are provided with radiator window (13); The lower front part face of casing (1) be provided with can the cable of folding by door (14); The bottom Corner Strapped of casing (1) is provided with the roller (15) of 4 band service brakes.
3. fast insert-pull cable branch box according to claim 2, is characterized in that: the external dimensions of described casing (1) be 680mm length × 535mm wide × 1150mm is high.
4. fast insert-pull cable branch box according to claim 1, is characterized in that: described T-shaped cable termination (5) is standard configuration type bolt matable T-shaped cable termination.
5. fast insert-pull cable branch box according to claim 1, is characterized in that: the rapid card joint (63) of described straight line adapter (6) is standard configuration type rapid card joint, and the front end of rapid card joint (63) has installation retainer ring (63-1); Shell (64) is made up of laterally zygomorphic 2 parts; External shape after shell (64) installation is square; The interior shape of shell (64) matches with the external shape in the second round platform portion (62-2) of insulating barrier (62); The Internal back end of shell (64) is provided with Fixing shrink ring access slot (64-1); Rapid card joint (63) is installed retainer ring (63-1) by it and to be matched with the Fixing shrink ring access slot (64-1) of shell (64) and to be fixedly connected with shell (64).
6. fast insert-pull cable branch box according to claim 1, is characterized in that: the ethylene propylene diene monomer (EPDM) material of the material of the insulating barrier (62) of described straight line adapter (6) to be compression stress be 8-12kg/cm2.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520607761.3U CN204835464U (en) | 2015-08-13 | 2015-08-13 | Quick plug cable branch case |
| US15/524,928 US9997897B2 (en) | 2015-08-13 | 2016-07-21 | Quick connect and disconnect cable junction box |
| PCT/CN2016/090844 WO2017024931A1 (en) | 2015-08-13 | 2016-07-21 | Quick connect and disconnect cable branch box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520607761.3U CN204835464U (en) | 2015-08-13 | 2015-08-13 | Quick plug cable branch case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204835464U true CN204835464U (en) | 2015-12-02 |
Family
ID=54693023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520607761.3U Expired - Fee Related CN204835464U (en) | 2015-08-13 | 2015-08-13 | Quick plug cable branch case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204835464U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017024931A1 (en) * | 2015-08-13 | 2017-02-16 | 国网江苏省电力公司常州供电公司 | Quick connect and disconnect cable branch box |
| CN106451220A (en) * | 2016-12-01 | 2017-02-22 | 华北电力科学研究院有限责任公司 | Bypass equipment and method for live replacement of equipment on same-tower multi-loop pole tower |
| CN117175306A (en) * | 2023-11-02 | 2023-12-05 | 北京玖行智研交通科技有限公司 | Adapter of power conversion system for vehicle power conversion station |
-
2015
- 2015-08-13 CN CN201520607761.3U patent/CN204835464U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017024931A1 (en) * | 2015-08-13 | 2017-02-16 | 国网江苏省电力公司常州供电公司 | Quick connect and disconnect cable branch box |
| US9997897B2 (en) | 2015-08-13 | 2018-06-12 | State Grid Chang Zhou Current Supply Company Of Jiangsu Electric Power Company | Quick connect and disconnect cable junction box |
| CN106451220A (en) * | 2016-12-01 | 2017-02-22 | 华北电力科学研究院有限责任公司 | Bypass equipment and method for live replacement of equipment on same-tower multi-loop pole tower |
| CN117175306A (en) * | 2023-11-02 | 2023-12-05 | 北京玖行智研交通科技有限公司 | Adapter of power conversion system for vehicle power conversion station |
| CN117175306B (en) * | 2023-11-02 | 2024-03-01 | 北京玖行智研交通科技有限公司 | Adapter of power conversion system for vehicle power conversion station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |