CN211266433U - High-voltage cable tapping device - Google Patents
High-voltage cable tapping device Download PDFInfo
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- CN211266433U CN211266433U CN201922498970.XU CN201922498970U CN211266433U CN 211266433 U CN211266433 U CN 211266433U CN 201922498970 U CN201922498970 U CN 201922498970U CN 211266433 U CN211266433 U CN 211266433U
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Abstract
The utility model provides a high tension cable tapping device, include junction box and removal chassis two parts, the junction box is installed on removing the chassis, the junction box is equipped with the cable that can insert the elbow type end or the wiring module of ring type end cable. The utility model realizes the shunting, branching and connection of the circular connecting terminal cable and the elbow type terminal cable through the arrangement of the wiring module; the problem that if the cable is found not to conform to the type of the field connector in the construction process, the cable needs to be returned to the equipment library to search for the cable with the corresponding type is solved. The problem of bringing very big inconvenience is brought for the construction like this, improves work efficiency greatly, ensures constructor's personal safety simultaneously.
Description
Technical Field
The utility model relates to a supply distribution line to maintain maintenance and equip technical field, in particular to high tension cable tapping device.
Background
By 2017, the installed capacity of electricity generation in China reaches 17.8 hundred million kilowatts, the loop length of a 220 kilovolt and more transmission power circuit reaches 68.8 ten thousand kilometers, and the power supply reliability of urban and rural residents exceeds 99%. This is supported on the one hand by the great efforts of the state government and on the other hand by the laborious efforts of the electricity construction and electricity maintenance service personnel. However, in the course of decades of development in the power industry, many standards and regulations have changed, which causes the problem that the high-voltage cable connectors used in the early period are incompatible with those used at present.
For example, the commonly used terminals in China mainly include a ring terminal and an elbow terminal. The ring terminal can realize cable branching and connection by using devices such as screws or nuts. And the elbow-shaped terminals are directly nested with each other to realize the branching and the connection of the cable. However, the two types of terminals are difficult to connect with each other. Therefore, in the construction process, if the carried cable is found to be not in accordance with the type of the field joint, the cable needs to be returned to the equipment library to search for the cable with the corresponding type. This brings great inconvenience to the construction.
Disclosure of Invention
The utility model aims at providing a high tension cable tapping device, the device can realize that power transmission and distribution high voltage wire net maintains the branch of different model binding post cables in the maintenance process, continues and electrified the detection.
In order to achieve the above object, the utility model provides a high tension cable tapping device, include junction box and removal chassis two parts, the junction box is installed on removing the chassis, the junction box is equipped with the cable that can insert the elbow type end or the wiring module of ring type end cable.
The utility model realizes the shunting, branching and connection of the circular connecting terminal cable and the elbow type terminal cable through the arrangement of the wiring module; the problem that if the cable is found not to conform to the type of the field connector in the construction process, the cable needs to be returned to the equipment library to search for the cable with the corresponding type is solved. The problem of bringing very big inconvenience is brought for the construction like this, improves work efficiency greatly, ensures constructor's personal safety simultaneously.
Preferably, the junction module is a three-phase junction module.
Preferably, the three-phase wiring module comprises an A-phase wiring module, a B-phase wiring module and a C-phase wiring module; each wire connecting module consists of an elbow type end terminal, an elbow type end protective sleeve, three circular ring type end terminals, a connecting copper core and an insulating fixed module; the elbow terminal and the circular ring terminal of each wiring module are electrically connected together and have the same potential.
Preferably, the junction box comprises a metal box body and an insulation fixing structure for fixing the three-phase wiring module on the metal box body, and the insulation fixing structure is fixedly connected with the metal box body. The metal box body is mainly used for protecting components in the box body from being invaded by wind and rain. The insulating fixed knot constructs mainly used and fixes three-phase wiring module on the metal box, guarantees electrified cable and junction box electrical isolation simultaneously.
Preferably, the insulating fixed structure ceramic insulating material has a withstand voltage of more than 30 kV.
Preferably, the junction module is further provided with an insulating partition plate for physically separating the phases of the three-phase junction module from each other. The insulating isolation plate is made of epoxy resin insulating composite materials, and has the functions of realizing physical isolation between a three-phase wiring module phase and a phase, preventing constructors from touching joints of other phases in the wiring process and improving the safety of the insulating isolation plate.
Preferably, the junction box is provided with a live indicator for prompting when a three-phase cable connected to the junction box is electrified. The function of the electrification indicator is to indicate whether the three-phase wiring module in the box body is electrified or not and the electrification of the phase.
Preferably, an insulation fixing plate for fixing the three-phase wiring module in the metal box body is arranged on the wiring box.
Preferably, be equipped with on the junction box and be used for carrying out the cable mounting fixture fixed to the cable of access, cable mounting fixture constitute by two circular arc fixed blocks and adjusting bolt, one of them circular arc fixed block is fixed on the metal box body of junction box, another circular arc fixed block is the movable structure that accessible adjusting bolt adjusted. The cable fixing clamp comprises two arc fixing blocks and an adjusting bolt, and the distance between the two arc fixing blocks can be adjusted through the adjusting bolt in practice, so that the inserted cable is fixed.
Preferably, a box body door lock for opening or locking the metal box body is arranged on the metal box body; the movable underframe comprises a cuboid metal support and four universal wheels with locking functions, and the universal wheels are mounted at the bottom of the metal support. The movable underframe comprises four universal wheels with locking functions and a cuboid support. The four universal wheels are respectively arranged on the four vertical supporting rods of the rectangular bracket, and the main function of the universal wheel is to facilitate a user to move or fix the high-voltage cable tapping device; the main function of cuboid support is the lifting junction box, makes the cable can wear out from the bottom of junction box. The main function of the box body door lock is to prevent the box body from being illegally opened, and the safety of the box body is improved.
Compared with the prior art, the beneficial effects are:
the utility model realizes the shunting, branching and connection of the circular connecting terminal cable and the elbow type terminal cable through the arrangement of the wiring module; the problem that if the cable is found not to conform to the type of the field connector in the construction process, the cable needs to be returned to the equipment library to search for the cable with the corresponding type is solved. Thus bringing great inconvenience to the construction and greatly improving the working efficiency. Additionally the utility model discloses a setting can be convenient remove construction site with whole device, the requirement of plugging into of compatible various cable joint has brought the facility for the construction simultaneously.
Drawings
Fig. 1 is a schematic structural view of a high-voltage cable tapping device according to the present invention;
fig. 2 is a schematic structural view of a high-voltage cable tapping device according to the present invention;
FIG. 3 is a schematic structural diagram of a junction module;
fig. 4 is a schematic structural view of the cable fixing jig.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
Examples
Fig. 1 to 4 show an embodiment of a high voltage cable tapping device, comprising a connection box 11 and a movable chassis 12, wherein the connection box 11 is mounted on the movable chassis, and the connection box 11 is provided with a connection module for a cable with an elbow-shaped end or a cable with a circular ring-shaped end.
Wherein, the wiring module is a three-phase wiring module 4.
In addition, the three-phase wiring module 4 includes a-phase, B-phase, and C-phase wiring modules; each wire connecting module consists of an elbow type end terminal, an elbow type end protective sleeve, three circular ring type end terminals, a connecting copper core and an insulating fixed module; the elbow terminal and the circular ring terminal of each wiring module are electrically connected together and have the same potential.
Wherein, junction box 11 includes metal box 1 and is used for fixing three-phase wiring module 4 on metal box 1 and with electrified cable and junction box electric isolation's insulating fixed knot construct 5, insulating fixed knot construct 5 and metal box 1 fixed connection.
In addition, the insulating fixing structure 5 is made of a ceramic insulating material and has a withstand voltage greater than 30 kV.
Wherein the wiring module is further provided with an insulating and isolating plate 7 for physically isolating the phases of the three-phase wiring module from each other.
In addition, the junction box is provided with a live indicator 3 for prompting after the three-phase cable connected to the junction box is electrified.
Wherein, the junction box 11 is provided with an insulation fixing plate 6 for fixing the three-phase wiring module in the metal box.
In addition, a cable fixing clamp 8 for fixing the accessed cable is arranged on the junction box 11, the cable fixing clamp 8 is composed of two arc fixing blocks (a first arc fixing block 81 and a second arc fixing block 82 in the embodiment) and an adjusting bolt 83, wherein the first arc fixing block 81 is fixed on the metal box body of the junction box, and the second arc fixing block 82 is a movable structure which can be adjusted by the adjusting bolt 83.
Wherein, a box body door lock 2 for opening or locking the metal box body is arranged on the metal box body 1; the movable underframe 12 comprises a cuboid metal support 9 and four universal wheels 10 with locking functions, and the universal wheels 10 are mounted at the bottom of the metal support.
Specifically, the method comprises the following steps: referring to fig. 1 and 2, fig. 1 is an external view of a high voltage cable tapping device; fig. 2 is a schematic structural diagram of a certain phase connector in the junction module.
The utility model provides a high tension cable tapping device, including junction box 11 and removal chassis 12. Wherein the junction box includes: the device comprises a metal box body 1, a box body door lock 2, a charged indicator 3, a three-phase wiring module 4, an insulator 5, an insulating fixing plate 6, an insulating isolation plate 7 and a cable fixing clamp 8. The moving chassis 12 includes: a cuboid metal support 9 and a universal wheel 10 with a locking function.
It is to be noted that the three-phase junction module 4 is composed of a-phase, B-phase, and C-phase junction modules. Each phase of wiring module consists of an elbow-shaped end terminal 41, an elbow-shaped end protective sleeve 42, three circular ring-shaped end terminals 43, a connecting copper core 44 and an insulating fixing module 45;
the cable fixing clamp 8 is composed of two arc fixing blocks (a first arc fixing block 81 and a second arc fixing block 82 in the embodiment) and an adjusting bolt 83, wherein the first arc fixing block 81 is fixed on the metal box body of the junction box, and the position of the second arc fixing block 8282 can be adjusted through the adjusting bolt 83.
The utility model discloses a concrete using-way includes: a single-in single-out continuation mode and a single-in double-out branch mode.
The specific operation of the continuation mode is as follows:
the metal box 1 of the junction box is opened by first inserting a key into the box door lock 2. Then the cables at the input end and the cables at the output end are respectively connected to the three-phase wiring module 4 according to actual conditions. If the cable is an elbow-type end cable, after the elbow-type end protective sleeve 42 is opened, the cable end is embedded into the elbow-type end terminal 41; if the cable is a circular end cable, the nut on the circular end terminal 43 is unscrewed, the cable end is sleeved into the bolt of the terminal, and then the nut is sleeved and screwed. Finally, the accessed cable is fixed by the adjusting bolt 83 on the adjusting and fixing clamp 8.
The specific operation of the branching mode is as follows:
the metal box 1 of the junction box is opened by first inserting a key into the box door lock 2. Then the cable at the input end is firstly connected to the three-phase wiring module 4 according to the actual situation. The two outgoing cables are then connected to the three-phase terminal module 4 as the case may be. If the cable is an elbow-type end cable, after the elbow-type end protective sleeve 42 is opened, a first cable end is embedded into the elbow-type end terminal 41, and the other cable is embedded into the elbow-type end of the first cable; in the case of a circular ring type terminal cable, two unoccupied terminals among the three circular ring type terminal terminals 43 are selected to connect two output cables. Finally, the accessed cable is fixed by an adjusting bolt 83 on the adjusting and fixing clamp 8.
It is right above that the utility model provides a high tension cable tapping device introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (8)
1. A high-voltage cable tapping device is characterized by comprising a junction box and a movable underframe, wherein the junction box is arranged on the movable underframe and is provided with a junction module which can be connected with a cable with an elbow-shaped end or a cable with a circular end; the wiring module is a three-phase wiring module which comprises an A-phase wiring module, a B-phase wiring module and a C-phase wiring module; each wire connecting module consists of an elbow type end terminal, an elbow type end protective sleeve, three circular ring type end terminals, a connecting copper core and an insulating fixed module; the elbow terminal and the circular ring terminal of each wiring module are electrically connected together and have the same potential.
2. The high-voltage cable tapping device according to claim 1, wherein the junction box comprises a metal box body and an insulating fixing structure for fixing the three-phase junction module on the metal box body and electrically isolating the live cables from the junction box body, the insulating fixing structure being fixedly connected with the metal box body.
3. The high-voltage cable breakout device according to claim 2, wherein the insulation fixing structure is a ceramic insulation material, withstanding voltages of more than 30 kV.
4. The high voltage cable breakout device of claim 1, wherein the junction module is further provided with an insulating spacer plate for physically separating the phases of the three-phase junction module from each other.
5. The high voltage cable breakout device according to claim 1, wherein the connection box is provided with a live indicator for indicating when a three phase cable connected to the connection box is energized.
6. The high voltage cable tapping device according to claim 2, wherein the junction box is provided with an insulating fixing plate for fixing the three-phase junction module in the metal case.
7. The high-voltage cable tapping device according to claim 2 or 3, wherein a cable fixing clamp for fixing the accessed cable is arranged on the junction box, the cable fixing clamp comprises two arc fixing blocks and an adjusting bolt, one of the arc fixing blocks is fixed on the metal box body of the junction box, and the other arc fixing block is a movable structure which can be adjusted through the adjusting bolt.
8. The high-voltage cable tapping device according to claim 2, wherein a box door lock for opening or locking the metal box is provided on the metal box; the movable underframe comprises a cuboid metal support and four universal wheels with locking functions, and the universal wheels are mounted at the bottom of the metal support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498970.XU CN211266433U (en) | 2019-12-31 | 2019-12-31 | High-voltage cable tapping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498970.XU CN211266433U (en) | 2019-12-31 | 2019-12-31 | High-voltage cable tapping device |
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| Publication Number | Publication Date |
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| CN211266433U true CN211266433U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922498970.XU Active CN211266433U (en) | 2019-12-31 | 2019-12-31 | High-voltage cable tapping device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112736791A (en) * | 2020-12-31 | 2021-04-30 | 广东电网有限责任公司 | Manufacturing frame for cable terminal head and manufacturing device for cable middle head |
-
2019
- 2019-12-31 CN CN201922498970.XU patent/CN211266433U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112736791A (en) * | 2020-12-31 | 2021-04-30 | 广东电网有限责任公司 | Manufacturing frame for cable terminal head and manufacturing device for cable middle head |
| CN112736791B (en) * | 2020-12-31 | 2023-02-03 | 广东电网有限责任公司 | Manufacturing frame for cable terminal head and manufacturing device for cable middle head |
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