CN219801843U - Power distribution network line protection device - Google Patents
Power distribution network line protection device Download PDFInfo
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- CN219801843U CN219801843U CN202320924980.9U CN202320924980U CN219801843U CN 219801843 U CN219801843 U CN 219801843U CN 202320924980 U CN202320924980 U CN 202320924980U CN 219801843 U CN219801843 U CN 219801843U
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- 239000012212 insulator Substances 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims description 57
- 238000007789 sealing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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Abstract
The utility model discloses a power distribution network line protection device, which relates to the technical field of power distribution networks and comprises a stand column, wherein a cross arm is arranged on the outer side of the stand column, an insulator is arranged at the top of the outer side of the cross arm through a mounting seat, mounting holes are formed in the cross arm and below the insulator, and a grounding wire is arranged at the bottom end of the insulator and in the mounting holes.
Description
Technical Field
The utility model relates to the technical field of power distribution networks, in particular to a power distribution network line protection device.
Background
In the frequent occurrence of thunderstorms, the communication lines are often damaged by lightning strikes, mainly because some components of the communication system are exposed outdoors and are vulnerable to lightning strikes. When the power grid is broken, the non-full phase and the capacitive coupling of the same rod line are caused to generate non-grounding faults, so that the asymmetric voltage of the power grid is increased, an automatic regulating controller of an arc suppression coil can misjudge that the power grid is grounded and acts, a very high neutral point displacement voltage is generated in the power grid, one phase or two phases of voltage in the system is increased greatly, other equipment in the power grid is damaged, the power distribution network line grounding protection device with the application number of CN 209626916U is provided with a cross arm which is sleeved on the outer side wall of a stand column in a sliding manner, and a plurality of insulators are arranged on the cross arm. However, a gap exists between the grounding wire and the annular piece, a gap exists between the grounding wire and the upright post, the grounding wire is in a suspended state, the grounding wire is blown by wind for a long time, and then the wind drives the grounding wire to rub with the annular piece and the upright post, so that the grounding wire is worn, the grounding wire is damaged, and the grounding effect is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a power distribution network line protection device, which solves the problems in the background art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a distribution network line protection device, includes the stand, the outside of stand is provided with the cross arm, the insulator is installed through the mount pad at the outside top of cross arm, the inside of cross arm just is located the below of insulator and has all been seted up the mounting hole, the bottom of insulator just is located the inside earth connection that is provided with of mounting hole, the one end of earth connection extends to the outside of cross arm, the outside cover that the earth connection is located the mounting hole below is equipped with first protective sheath, the outside of earth connection just is located one side cover of first protective sheath and is equipped with the second protective sheath, the outside of first protective sheath is provided with a plurality of first thread blocks, the outside of second protective sheath is provided with a plurality of second thread blocks, the inside equal threaded connection of second thread blocks has first screw, the one end of first screw all extends to the inside of first thread blocks and with first thread block internal thread connection, the outside of first screw all extends to the outside of first thread blocks, the outside equal thread connection of first screw has first protective sheath and first side of first terminal connection to the outside of first terminal line, the equal slot of first terminal connection with the first terminal connection, the equal ground connection of first terminal line and the first terminal connection to the first terminal line, the equal slot of first terminal connection of time slot and the first terminal line and the first terminal connection.
Preferably, the limit groove has been seted up to one side of first protective sheath, spacing has been placed to the inside spacing that has of limit groove, one side of spacing is connected with one side of second protective sheath, the inboard outside that just is located spacing of limit groove all is provided with sealed the pad, through sealed the pad, can ensure the leakproofness between first protective sheath and the second protective sheath.
Preferably, one side of stand is provided with a plurality of fourth screw thread pieces, the outside of first protective sheath just is located one side of fourth screw thread piece and all is provided with the fifth screw thread piece, the inside equal threaded connection of fourth screw thread piece has the third screw, the one end of third screw all extends to the inside of fifth screw thread piece and with the inside threaded connection of fifth screw thread piece, the one end of third screw all extends to the outside of fifth screw thread piece, the outside equal threaded connection of third screw has the second nut, can fix between first protective sheath and the second protective sheath.
Preferably, the shape and the size of one end of the second screw are matched with those of the inner cavity of the first thread groove, so that one end of the second screw can be inserted into the first thread groove.
Preferably, the diameter of the third screw is matched with the inner diameters of the fourth screw thread block and the fifth screw thread block, so that one end of the third screw can be inserted into the fourth screw thread block and the fifth screw thread block.
Preferably, the diameter of the first screw is matched with the inner diameters of the first thread block and the second thread block, so that one end of the first screw can be screwed into the interiors of the first thread block and the second thread block.
Preferably, the shape and the size of the limit strip are matched with those of the inner cavity of the limit groove, so that the limit strip can be inserted into the inner cavity of the limit groove.
The utility model provides a power distribution network line protection device, which has the following beneficial effects:
1. this distribution network line protection device through being provided with first protective sheath, second protective sheath and sealed pad, can protect at first protective sheath and second protective sheath inside when the earth connection uses, prevents that the earth connection from being blown by wind for a long time, produces the friction with the stand between, leads to the earth connection impaired, and the condition that influences the earthing effect takes place, can protect the earth connection simultaneously, reduces the earth connection and receives the corruption, perhaps receives the damaged condition of external factor to take place.
2. This distribution network line protection device, through being provided with the second protective sheath, first protective sheath and first screw, when needs change, operating personnel unscrew first nut from the outside of first screw, then screw out first screw to the inside of first screw thread piece, operating personnel unscrew second nut to the outside of third screw, then screw out third screw to the inside of fifth screw thread piece, then operating personnel unscrew the second screw on the first protective sheath to the outside of first screw thread groove, then take off the first protective sheath from the outside of earth connection, then operating personnel unscrew the second screw on the second protective sheath to the outside of first screw thread groove, then take off the second protective sheath, so that change first protective sheath and second protective sheath, thereby protect the earth connection.
Drawings
FIG. 1 is a schematic view of the internal structure of the present utility model;
FIG. 2 is a schematic view of a connection structure between a second protective sleeve and a cross arm according to the present utility model;
FIG. 3 is a schematic diagram of a fifth screw block and a fourth screw block according to the present utility model;
FIG. 4 is a schematic view of a connection structure of a first screw block and a second screw block according to the present utility model;
FIG. 5 is an enlarged view of the utility model at A of FIG. 1;
fig. 6 is an enlarged view of fig. 2B of the present utility model.
In the figure: 1. a column; 2. a cross arm; 3. an insulator; 4. a mounting base; 5. a mounting hole; 6. a first protective sleeve; 7. a second protective sleeve; 8. a limit groove; 9. a limit bar; 10. a sealing gasket; 11. a first threaded block; 12. a second threaded block; 13. a first screw; 14. a first nut; 15. a third threaded block; 16. a first thread groove; 17. a second screw; 18. a fourth screw block; 19. a fifth screw block; 20. a third screw; 21. a second nut; 22. and a grounding wire.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
Referring to fig. 1 to 3, fig. 5 and fig. 6, the present utility model provides a technical solution: the utility model provides a distribution network line protection device, including stand 1, stand 1's outside is provided with cross arm 2, insulator 3 is installed through mount pad 4 at cross arm 2's outside top, mounting hole 5 has all been seted up to cross arm 2's inside and the below that is located insulator 3, insulator 3's bottom just is located mounting hole 5 inside and is provided with earth connection 22, earth connection 22's one end extends to cross arm 2's outside, earth connection 22 is located the outside cover of mounting hole 5 below and is equipped with first protective cover 6, earth connection 22's outside just is located one side cover of first protective cover 6 and is equipped with second protective sleeve 7, first protective cover 6's outside is provided with the first thread piece 11 of a plurality of blocks, second protective cover 7's outside is provided with a plurality of second thread pieces 12, first screw 13 of equal thread connection in second thread piece 12 inside, first screw 13's one end all extends to first thread piece 11 inside and with first thread piece 11 internal thread connection, first screw 13's one end all extends to first thread piece 11's outside, first screw 13's outside thread connection has first protective cover 14, first screw 17 and first protective cover 6's outside and is located first protective cover 6's one side cover is equipped with second protective cover 7, first thread piece 17 top end 16 and first thread groove 16 internal connection 16, first screw 17 top 16 has first thread groove 16, first screw 17 internal connection 16.
The spacing groove 8 has been seted up to one side of first protective sheath 6, spacing 9 has been placed to spacing 8 inside, one side of spacing 9 is connected with one side of second protective sheath 7, spacing 8 inboard just is located the outside of spacing 9 and all is provided with sealed pad 10, the shape size of second screw 17 one end all matches with the shape size of first screw groove 16 inner chamber, the diameter of first screw 13 matches with the internal diameter of first screw 11 and second screw 12, the shape size of spacing 9 matches with the shape size of spacing 8 inner chamber.
Example two
Referring to fig. 1 and fig. 4, the present utility model provides a technical solution: one side of stand 1 is provided with a plurality of fourth screw thread pieces 18, the outside of first protective cover 6 and be located one side of fourth screw thread piece 18 and all be provided with fifth screw thread piece 19, the inside equal threaded connection of fourth screw thread piece 18 has third screw 20, the one end of third screw 20 all extends to the inside of fifth screw thread piece 19 and with the inside threaded connection of fifth screw thread piece 19, the one end of third screw 20 all extends to the outside of fifth screw thread piece 19, the outside equal threaded connection of third screw 20 has second nut 21, the diameter of third screw 20 matches with the internal diameter of fourth screw thread piece 18 and fifth screw thread piece 19.
In summary, the distribution network line protection device is used, an insulator 3 is installed on a cross arm 2 through an installation seat 4, then a first protection sleeve 6 is placed below the cross arm 2, a third thread block 15 on the first protection sleeve 6 is located below a first thread groove 16, then an operator screws a second screw 17, one end of the second screw 17 is screwed into the first thread groove 16, limiting the first protection sleeve 6, then the third screw 20 is rotated, one end of the third screw 20 is screwed out to the outer side of a fifth thread block 19, then a second nut 21 is screwed out of the third screw 20, thereby fixing the first protection sleeve 6, then a grounding wire 22 is plugged into an inner cavity of the first protection sleeve 6, then the second protection sleeve 7 is placed on one side of the first protection sleeve 6, a limiting strip 9 is located inside the limiting groove 8, then the third thread block 15 on the second protection sleeve 7 is located below the first thread groove 16, then the operator screws the second screw 17, so that the second screw 17 is screwed into the first protection sleeve, then the first nut 17 is screwed into the first protection sleeve, when the first screw 17 is screwed into the first protection sleeve 7, the first screw is screwed out of the first protection sleeve 13, then the first protection sleeve 7 is screwed out of the first protection sleeve 13, the first protection sleeve is screwed out of the first protection sleeve 7, the first protection sleeve 7 is screwed out of the first protection sleeve 7, the first protection sleeve 7 is screwed into the first protection sleeve 7, the first protection sleeve 7 is screwed out of the first protection sleeve 7, and then the first protection sleeve 7 is screwed out of the first protection sleeve 7, and the first protection sleeve 7 is screwed into the first protection sleeve 7, and then the first protection sleeve 7 is screwed into the first protection sleeve 7, and then the first protection sleeve 7 is screwed into the first protection sleeve 7 and is screwed into first protection sleeve 7 and out of first protection sleeve 7 and is screwed into first protection sleeve case through first protection sleeve 7 and is respectively, the operator then screws out the second screw 17 on the first protective sleeve 6 to the outside of the first screw groove 16, then removes the first protective sleeve 6 from the outside of the ground wire 22, then the operator screws out the second screw 17 on the second protective sleeve 7 to the outside of the first screw groove 16, and then removes the second protective sleeve 7, thereby enabling replacement of the first protective sleeve 6 and the second protective sleeve 7.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a distribution network line protection device, includes stand (1), its characterized in that: the utility model discloses a screw, including stand (1) and insulator (3) are installed through mount pad (4) in the outside top of stand (1), mounting hole (5) have all been seted up to the inside of stand (2) and the below that is located insulator (3), the bottom of insulator (3) just is located mounting hole (5) inside be provided with earth connection (22), the one end of earth connection (22) extends to the outside of stand (2), the outside cover that earth connection (22) is located mounting hole (5) below is equipped with first protective sheath (6), the outside of earth connection (22) just is located one side cover of first protective sheath (6) and is equipped with second protective sheath (7), the outside of first protective sheath (6) is provided with a plurality of first screw thread pieces (11), the outside of second protective sheath (7) is provided with a plurality of second screw thread pieces (12), first screw (13) are connected to inside equal screw thread pieces (12), first screw (13) are connected to the outside screw (13) of first screw (13) and first screw thread pieces (11) are connected to the outside screw thread pieces (13) are connected to the outside screw (13), the outside on second protective sheath (7) and first protective sheath (6) top all fixedly connected with third screw thread piece (15), inside equal threaded connection of third screw thread piece (15) has second screw (17), first screw thread groove (16) have all been seted up to the bottom of cross arm (2) and the top that is located second screw (17), the top of second screw (17) all extends to inside first screw thread groove (16) and with the inside threaded connection of first screw thread groove (16).
2. A power distribution network line protection device according to claim 1, characterized in that: the utility model discloses a sealing device for the automobile, including first protective sheath (6), spacing groove (8) have been seted up to one side of first protective sheath (6), spacing (9) have been placed to spacing groove (8) inside, one side of spacing (9) is connected with one side of second protective sheath (7), spacing groove (8) inboard just is located the outside of spacing (9) all is provided with sealed pad (10).
3. A power distribution network line protection device according to claim 1, characterized in that: one side of stand (1) is provided with a plurality of fourth screw thread pieces (18), the outside of first protective sheath (6) just is located one side of fourth screw thread piece (18) and all is provided with fifth screw thread piece (19), the inside equal threaded connection of fourth screw thread piece (18) has third screw (20), the one end of third screw (20) all extends to inside fifth screw thread piece (19) and with the inside threaded connection of fifth screw thread piece (19), the one end of third screw (20) all extends to the outside of fifth screw thread piece (19), the outside equal threaded connection of third screw (20) has second nut (21).
4. A power distribution network line protection device according to claim 1, characterized in that: the shape and the size of one end of the second screw (17) are matched with the shape and the size of the inner cavity of the first thread groove (16).
5. A power distribution network line protection device according to claim 3, characterized in that: the diameter of the third screw (20) is matched with the inner diameters of the fourth thread block (18) and the fifth thread block (19).
6. A power distribution network line protection device according to claim 1, characterized in that: the diameter of the first screw (13) is matched with the inner diameters of the first threaded block (11) and the second threaded block (12).
7. A power distribution network line protection device according to claim 2, characterized in that: the shape and the size of the limit strip (9) are matched with those of the inner cavity of the limit groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320924980.9U CN219801843U (en) | 2023-04-23 | 2023-04-23 | Power distribution network line protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320924980.9U CN219801843U (en) | 2023-04-23 | 2023-04-23 | Power distribution network line protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219801843U true CN219801843U (en) | 2023-10-03 |
Family
ID=88156703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320924980.9U Active CN219801843U (en) | 2023-04-23 | 2023-04-23 | Power distribution network line protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219801843U (en) |
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2023
- 2023-04-23 CN CN202320924980.9U patent/CN219801843U/en active Active
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