CN218770106U - Special earthing device for cable head of totally-enclosed ring main unit - Google Patents
Special earthing device for cable head of totally-enclosed ring main unit Download PDFInfo
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- CN218770106U CN218770106U CN202222853277.1U CN202222853277U CN218770106U CN 218770106 U CN218770106 U CN 218770106U CN 202222853277 U CN202222853277 U CN 202222853277U CN 218770106 U CN218770106 U CN 218770106U
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Abstract
In order to solve the inconvenient problem of power equipment ground connection who does not take the ground connection plug-in strip among the prior art, the utility model provides a special earthing device of totally closed looped netowrk cabinet cable head, its technical scheme who solves technical problem includes insulating bar, joint, earth connection, the one end of earth connection is equipped with three phase line, and one is all installed to the end of every phase line connect, be equipped with interior hexagonal hole on the one end terminal surface that connects, the other end that connects is equipped with the screw hole of being connected with the cable head, the mid-mounting that connects has the wiring nose of being connected with the phase line, the operating head of dismantling the connection is installed to the one end of insulating bar, the one end of operating head is equipped with and can inserts interior downthehole outer hexagon of hexagonal. The utility model discloses can carry out the connection of earth connection through insulating bar at remote cable head to totally closed looped netowrk cabinet in, convenient operation, the security is high.
Description
Technical Field
The utility model belongs to the technical field of the totally enclosed looped netowrk cabinet, especially, special earthing device of totally closed looped netowrk cabinet cable head.
Background
At present, many outdoor ring main units, indoor switch stations and box-type transformer incoming line cabinets are not provided with grounding knife switches, and are still in a service cycle, and the equipment has good running condition and can be used for a long time. In order to meet the requirement of increasing living standard requirements of people on power supply reliability, the power failure of users is avoided as much as possible in the power distribution network planning power failure work, but the outdoor ring main units, the indoor switch stations and the box-type transformers of the incoming line cabinets without grounding knife switches often result in expanded power failure ranges, and great influence is caused on the life of people.
In order to reduce the power failure of users in the process of distribution of the network, the equipment without the grounding knife needs to be grounded in a live state, but the grounding in the live state has certain danger, and the grounding wire needs to be connected with the T-shaped cable head in the grounding process, so that the operation is inconvenient under the condition of ensuring the safety.
Therefore, a special grounding device for the totally-enclosed cabinet body is developed, so that the special grounding device can safely plug a line within a power failure range under the condition of ensuring safety, and plays a role of grounding a knife switch. On the premise of not wasting resources (replacing a cabinet body with good condition in advance), the grounding device which can reduce the power failure range and is convenient to operate is necessary.
SUMMERY OF THE UTILITY MODEL
In order to solve the inconvenient problem of the power equipment ground connection that does not take the ground connection plug-in strip among the prior art, the utility model provides a special earthing device of totally closed looped netowrk cabinet cable head can carry out the connection of earth connection, convenient operation, security height through insulating bar at remote cable head to totally closed looped netowrk cabinet in.
The utility model provides a special earthing device of totally closed looped netowrk cabinet cable head, its technical scheme who solves technical problem includes insulating bar, joint, earth connection, the one end of earth connection is equipped with three phase line, and one is all installed to the end of every phase line connect, be equipped with interior hexagonal hole on the one end terminal surface that connects, the other end that connects is equipped with the screw hole of being connected with the cable head, the mid-mounting that connects has the wiring nose of being connected with the phase line, the operating head of connection can be dismantled is installed to the one end of insulating bar, the one end of operating head is equipped with and inserts interior hexagonal downthehole outer hexagon. The one end of the operating head on the insulating operation rod can insert the interior hexagonal of joint downthehole, realize the connection of the two like this, and through the structure of the interior hexagonal of the two and outer hexagonal, it can drive the rotation that connects to rotate insulating operation rod, and then make the other end that connects and the cable head in the totally closed looped netowrk cabinet of screw hole realize threaded connection, the remote of earth connection and cable head is controlled and is connected to have realized, operating personnel's safety has been guaranteed, the safe ground connection of the power equipment of no ground connection plug-in strip has been realized, the phenomenon of the large tracts of land power failure that causes at the electric power distribution network in-process has been avoided.
Preferably, the joint comprises an inner core, a first sleeve and a second sleeve, the first sleeve is sleeved at one end of the inner core, the second sleeve is in threaded connection with the inner core, and the inner hexagonal hole is formed in one end, located in the first sleeve, of the inner core. The joint is formed by assembling a plurality of parts, and is convenient to produce.
Preferably, one end of the lug is sleeved on the inner core and is positioned between the first sleeve and the second sleeve. Can guarantee the stability of wiring nose installation, avoid droing.
Preferably, one end of the operating head is provided with a connecting column, and the connecting column is in threaded connection with one end of the insulating rod. The operating head can be changed according to different use scenes, and the operating head is convenient to install and disassemble through a threaded connection structure.
Preferably, the operating head is provided with an anti-slip sleeve, and the outer edge surface of the anti-slip sleeve is provided with anti-slip lines. The operating head is convenient to rotate and control.
Preferably, the insulating operating rod is of a telescopic rod structure. The length of the insulating operating rod can be adjusted as required, so that the insulating operating rod is suitable for different use environments.
Preferably, one end of the insulated operating rod, which is close to the operating head, is provided with an operating hook. The grounding wire is convenient to move and operate.
Preferably, an operating handle is arranged on one end face of the insulating operating rod. Is convenient for the operator to hold.
The technical scheme of the utility model following technological effect has at least:
1. the three-phase end of the grounding wire is respectively provided with a special connector, so that the grounding wire is convenient to connect with a cable head in a totally-enclosed ring main unit;
2. the ground wire can be remotely controlled through the insulating operating rod, so that the safety of live working is improved;
3. the installation and the disassembly of the grounding wire and the cable head can be conveniently realized in a long distance by arranging a structure that the joint and the operating head are matched with each other;
4. overall structure is ingenious, and convenient to use can effectively improve work efficiency and security.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic front view of the overall structure of the insulated operating rod of the present invention;
fig. 2 is a schematic diagram of the ground line structure of the present invention;
FIG. 3 is a front sectional view of the joint structure of the present invention;
fig. 4 is a side view of the joint structure of the present invention.
In the figure: 1. an insulating operating rod; 2. a joint; 21. an inner core; 22. a first sleeve; 23. a second sleeve; 3. a ground line; 4. an inner hexagonal hole; 5. a threaded hole; 6. a wiring lug; 7. an operating head; 8. an outer hexagon; 9. an anti-slip sleeve; 10. an operating hook; 11. a handle is operated.
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.
The utility model discloses a special earthing device of totally closed looped netowrk cabinet cable head, as shown in figure 1-figure 4, including insulating bar 1, joint 2, earth connection 3, the one end of earth connection 3 is equipped with three phase line, and one is all installed to the end of every phase line connect 2, connect 2 one end terminal surface on be equipped with interior hexagonal hole 4, the other end that connects 2 is equipped with the screw hole 5 of being connected with the cable head, and when using, this screw hole 5 is connected with the cable head through screw-thread fit, and the mid-mounting that connects 2 has the wiring nose 6 of being connected with the phase line, the operating head 7 of connection can be dismantled is installed to insulating bar 1's one end, the one end of operating head 7 is equipped with and can insert outer hexagonal 8 in interior hexagonal hole 4. One end of the operating head 7 on the insulating operating rod 1 can be inserted into the inner hexagonal hole 4 of the joint 2, so that the connection between the two is realized, and through the structure of the inner hexagonal hole and the outer hexagonal hole 8 of the two, the insulating operating rod 1 is rotated to drive the rotation of the joint 2, and further the T-shaped cable head in the other end of the joint 2 and the threaded hole 5 fully-closed ring main unit is connected in a threaded manner, the remote control connection between the grounding wire 3 and the cable head is realized, the safety of operators is ensured, the safety grounding of the power equipment without the grounding knife switch is realized, and the phenomenon of large-area power failure caused in the power distribution network process is avoided. It should be noted that, because when not externally connected with the earth connection 3, be equipped with the sealing cap on the T type cable head in the totally closed looped netowrk cabinet, when needs ground connection, at first need demolish the sealing cap, this application is through the operating head 7 that sets up, not only can with connect 2 cooperations, also can cooperate with the sealing cap, when using, at first unscrew the sealing cap through insulating bar 1, then will connect 2 and be connected with the cable head, realize being connected of cable head and earth connection 3, be equivalent to insulating bar 1 has two functions, one is with the sealing cap cooperation, it is second with connect 2 cooperations.
The utility model discloses a connect 2 one of them embodiment to be: including inner core 21, first sleeve 22, second sleeve 23, first sleeve 22 suit is in the one end of inner core 21, threaded connection between second sleeve 23 and the inner core 21, the one end that the inner core 21 is located first sleeve 22 is seted up to interior hexagonal hole 4. The connector 2 is formed by assembling a plurality of parts, is convenient to produce, and when the connector is assembled, referring to the attached drawing 3, the first sleeve 22 is sleeved on the inner core 21, one end of the wiring nose 6 is sleeved on one end of the inner core 21, and finally one end of the inner core 21 is in threaded connection with the second sleeve 23, so that a structure that the wiring nose 6 is located between the first sleeve 22 and the second sleeve 23 is formed, the stability of installation of the wiring nose 6 can be guaranteed, and the connector is prevented from falling off.
The utility model provides a one of them embodiment of operating head 7 and the detachable construction of insulating bar 1 is: one end of the operating head 7 is provided with a connecting column, and the connecting column is in threaded connection with one end of the insulating rod. The operating head 7 can be replaced according to different use scenes, and is convenient to install and disassemble through a threaded connection structure. In order to facilitate screwing of the operating head 7, the operating head 7 is provided with an anti-slip sleeve 9, and the outer edge surface of the anti-slip sleeve 9 is provided with anti-slip grains. So as to rotate the operating head 7.
The utility model provides an insulating bar 1 is telescopic rod structure. The length of the insulating operating rod 1 can be adjusted according to the requirement, so that the insulating operating rod is suitable for different use environments.
In order to facilitate the distance hook get earth connection 3 or seal cap etc, the utility model provides an insulating bar 1 is close to the one end of operating head 7 is equipped with operation hook 10. The grounding wire 3 is convenient to move and operate. An operating handle 11 is also provided on one end surface of the insulated operating rod 1. Is convenient for operators to hold.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and decorations can be made, which are also considered as the protection scope of the present invention.
Claims (8)
1. Totally closed looped netowrk cabinet cable head special earthing device, a serial communication port, including insulating bar, joint, earth connection, the one end of earth connection is equipped with three phase line, and one is all installed to the end of every phase line the joint, be equipped with interior hexagonal hole on the one end terminal surface that connects, the other end that connects is equipped with the screw hole of being connected with the cable head, the mid-mounting that connects has the wiring nose of being connected with the phase line, the operating head of dismantling the connection is installed to the one end of insulating bar, the one end of operating head is equipped with and inserts interior hexagonal downthehole outer hexagon of hexagonal.
2. The grounding device special for the cable head of the totally-enclosed ring main unit according to claim 1, wherein the joint comprises an inner core, a first sleeve and a second sleeve, the first sleeve is sleeved at one end of the inner core, the second sleeve is in threaded connection with the inner core, and the inner hexagonal hole is formed in one end, located in the first sleeve, of the inner core.
3. The grounding device special for the cable head of the totally-enclosed ring main unit according to claim 2, wherein one end of the wiring nose is sleeved on the inner core and is located between the first sleeve and the second sleeve.
4. The grounding device special for the cable head of the totally-enclosed ring main unit according to claim 1, wherein a connecting column is arranged at one end of the operating head, and the connecting column is in threaded connection with one end of the insulating rod.
5. The grounding device special for the cable head of the totally-enclosed ring main unit according to claim 1 or 4, wherein the operating head is provided with an anti-slip sleeve, and the outer edge surface of the anti-slip sleeve is provided with anti-slip lines.
6. The special grounding device for the cable head of the totally-enclosed ring main unit according to claim 1, wherein the insulating operating rod is a telescopic rod structure.
7. The grounding device special for the cable head of the totally-enclosed ring main unit according to claim 1, wherein an operating hook is arranged at one end of the insulating operating rod close to the operating head.
8. The grounding device special for the cable head of the totally-enclosed ring main unit according to claim 1, wherein an operating handle is arranged on one end face of the insulating operating rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222853277.1U CN218770106U (en) | 2022-10-27 | 2022-10-27 | Special earthing device for cable head of totally-enclosed ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222853277.1U CN218770106U (en) | 2022-10-27 | 2022-10-27 | Special earthing device for cable head of totally-enclosed ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218770106U true CN218770106U (en) | 2023-03-28 |
Family
ID=85701698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222853277.1U Active CN218770106U (en) | 2022-10-27 | 2022-10-27 | Special earthing device for cable head of totally-enclosed ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218770106U (en) |
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2022
- 2022-10-27 CN CN202222853277.1U patent/CN218770106U/en active Active
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