CN112636296A - Adjustable gap lightning protection equipment for power distribution line of power system - Google Patents
Adjustable gap lightning protection equipment for power distribution line of power system Download PDFInfo
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- CN112636296A CN112636296A CN202011338816.7A CN202011338816A CN112636296A CN 112636296 A CN112636296 A CN 112636296A CN 202011338816 A CN202011338816 A CN 202011338816A CN 112636296 A CN112636296 A CN 112636296A
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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
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/02—Details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
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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
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/40—Connection to earth
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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
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/80—Discharge by conduction or dissipation, e.g. rods, arresters, spark gaps
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- Elimination Of Static Electricity (AREA)
Abstract
The invention relates to an adjustable gap lightning protection device for a distribution line of an electric power system, which comprises a housing, a first copper plate and a second copper plate which are vertically arranged in the housing in sequence, an adjusting device which is arranged in the housing and fixedly connected with the first copper plate, a pressing device arranged on the adjusting device, a first lead which is arranged on the pressing device and communicated to the outer side of the housing, a clamping device which is arranged in the housing and positioned at the right side of the second copper plate, a second lead which is arranged on the pressing device and communicated to the outer side of the housing and a grounding device arranged at the end part of the second lead, the second copper plate is fixedly connected with the housing, the adjusting device is positioned on one side, far away from the second copper plate, of the first copper plate, the first copper plate and the second copper plate can release a large current of a lightning stroke to protect other places from the lightning stroke, and the adjusting device can adjust the distance between the first copper plate and the second copper plate.
Description
Technical Field
The invention relates to an adjustable gap lightning protection device for a power distribution line of a power system.
Background
The distribution line is a line that transmits power from a step-down substation to a distribution transformer or transmits power from a distribution substation to a power consumption unit. The lightning protection means that the damage to human bodies, buildings and the like caused by lightning is avoided by certain measures. Lightning is a natural discharge phenomenon. Lightning stroke is a natural disaster, and not only can cause damage to equipment and house facilities, but also can cause fire and explosion, and even can hurt people, livestock and the like.
Very high voltage can puncture the air, and the clearance lightning protection equipment accomplishes certain specification with the metal clearance distance, can guarantee that the clearance is punctured after reaching certain voltage in the circuit. After the gap is broken down, the large current of the lightning stroke can be released to protect other places from the lightning stroke.
The current adjustable gap lightning protection equipment is that the wire and the lightning protection equipment are arranged together, so that the grounding device cannot be conveniently disassembled and assembled when the grounding device does not work or is damaged, and the distance between two copper plates needs to be adjusted in a manual mode, so that electric shock accidents are easily caused, and certain dangerousness exists.
Disclosure of Invention
The invention aims to solve the technical problem of providing the gap-adjustable lightning protection equipment which is safe and easy to disassemble and is used for the power distribution line of the power system.
The invention adopts the following technical scheme:
the invention comprises a housing, a first copper plate and a second copper plate which are vertically arranged in the housing in sequence, an adjusting device which is arranged in the housing and fixedly connected with the first copper plate, a pressing device which is arranged on the adjusting device, a first lead which is arranged on the pressing device and communicated to the outer side of the housing, a clamping device which is arranged in the housing and positioned at the right side of the second copper plate, a second lead which is arranged on the pressing device and communicated to the outer side of the housing, and a grounding device which is arranged at the end part of the second lead, wherein the second copper plate is fixedly connected with the housing, and the adjusting device is positioned at one side of the first copper plate far away from the second copper plate.
The adjusting device comprises a supporting plate which is positioned in a housing and fixedly connected with the housing, a trapezoidal guide rail fixedly arranged on the side surface of the supporting plate, an adjusting block which is arranged on the inner side of the trapezoidal guide rail and is matched with the trapezoidal guide rail, a connecting block fixedly arranged at the right end of the adjusting block, an adjusting column fixedly arranged on the side surface of the adjusting block, a supporting column fixedly connected with the housing, a motor fixedly arranged on the supporting column, an adjusting rod A with one end fixedly connected with an output shaft of the motor and an adjusting rod B hinged between the other end of the adjusting rod A and the adjusting column, wherein a first copper plate is fixedly connected at the right end of the connecting block, the length of the connecting block is matched with the motion track of the adjusting block, the clamping device is arranged at the right side of the adjusting block.
The pressing device comprises a pressing ring A, a pressing bolt A and a pressing nut A, wherein a first lead is sleeved inside the pressing ring A, the pressing ring A is fixedly arranged at the left end of an adjusting block, a through groove A is formed in the pressing ring A, the first lead is sleeved in the through groove A, the pressing bolt A is sleeved with the first lead in the through groove A, the pressing nut A is sleeved on the outer side of the rod part of the pressing bolt A and is tightly attached to the first lead, the through groove A is located at the rod part of the pressing bolt A, the opening of the through groove A is located at the end face.
The clamping device comprises a clamping plate A fixedly connected with a second copper plate, a clamping column A and a clamping column B fixedly connected with the side surface of the clamping plate A, a clamping bolt A and a clamping bolt B which are respectively hinged in the clamping column A and the clamping column B and penetrate through the clamping column A and the clamping column B, a clamping plate B which is screwed on the clamping bolt A and the clamping bolt B and is positioned above the clamping plate A, a clamping cylinder positioned between the clamping column A and the clamping column B, a clamping rod A with one end fixedly connected with the bottom of the clamping bolt A and the other end hinged with one end of the clamping cylinder, and a clamping rod B with one end fixedly connected with the bottom of the clamping bolt B and the other end hinged with the other end of the clamping cylinder, wherein a second lead is positioned between the clamping plate A and the clamping plate B, the position of the clamping cylinder is matched with a housing, the clamping plate A is made of a conductive material, the screw direction of the clamping bolt A is opposite to that of the clamping bolt B.
The pressing device comprises a pressing ring B, a pressing bolt B, a jacking device and a pressing nut B, wherein a first lead is sleeved in the pressing ring B and is fixedly arranged at the left end of an adjusting block; the jacking device comprises a jacking block which is matched with the through groove B and is positioned at the inner side of the through groove B and a jacking plate which is fixedly arranged at two sides of the end part of the jacking block, the jacking plate is positioned at one end, close to the compression bolt B, of the jacking block, the first lead is positioned between the head of the compression bolt B and the jacking block, and the compression nut B is tightly attached to the jacking plate.
The support column and the adjusting rod A are made of insulating materials.
The clamping plate B is made of rigid materials, and a rubber plate is fixedly arranged on the bottom surface of the clamping plate B.
The top surface of the clamping plate B is fixedly provided with a guide column A and a guide column B which are respectively in threaded connection with a clamping bolt A and a clamping bolt B.
The clamping rod A and the clamping rod B are made of insulating materials.
The motor and the clamping cylinder are controlled by a PLC.
The invention has the following positive effects:
1. the first copper plate and the second copper plate can release the heavy current of the lightning stroke to protect other places from the lightning stroke, the adjusting device can adjust the distance between the first copper plate and the second copper plate, the clamping device can install the first lead on the adjusting device, the pressing device can communicate the second lead with the second copper plate for conducting, and the grounding device can guide the lightning to the ground.
2. The motor, the support plate, the adjusting column, the adjusting rod A and the adjusting rod B can enable the adjusting block to do reciprocating motion along the trapezoidal guide rail, and further enable the connecting block to adjust the distance between the first copper plate and the second copper plate.
3. The compression nut A can compress the first lead in the through groove A of the compression bolt A.
4. According to the invention, the clamping cylinder can enable the clamping rod A and the clamping rod B to rotate through the telescopic cylinder, so that the clamping bolt A and the clamping bolt B rotate, and further the clamping plate B clamps a second lead on the clamping plate A, so that the second lead is communicated with the second copper plate for conducting electricity.
5. The jacking device and the compression nut can better clamp the first lead in the compression bolt B, and the jacking block and the jacking plate have larger stress area on the first lead, thereby being more beneficial to protecting the first lead from being damaged.
6. The supporting column 41 and the adjusting rod A are made of insulating materials and can protect the motor.
7. The rubber plate can reduce the damage to the second lead.
8. The guide post A and the guide post B can make the clamping plate B more stable.
9. The clamping rod A and the clamping rod B are made of insulating materials and can protect a clamping cylinder.
10. The motor and the clamping cylinder are controlled by the PLC, so that the operation and the control are convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the position of the cover according to the present invention;
FIG. 3 is a schematic view of the clamping device according to the present invention;
FIG. 4 is a schematic view of the adjusting device according to the present invention;
FIG. 5 is a schematic view of the structure of the rubber sheet according to the present invention;
FIG. 6 is a schematic structural diagram of a clamp ring A according to an embodiment of the present invention
Fig. 7 is a schematic structural view of a through groove a according to an embodiment of the present invention;
FIG. 8 is a schematic structural view of a compression nut A according to an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a second clamp ring B according to an embodiment of the present invention;
FIG. 10 is a schematic structural view of a second tightening device according to an embodiment of the present invention;
fig. 11 is a schematic view of a second tightening block structure according to an embodiment of the invention.
In the drawings: 1. a housing; 2. a first copper plate; 3. a second copper plate; 4. an adjustment device; 6. A first conductive line; 7. a clamping device; 8. a grounding device; 9. a support plate; 10. a trapezoidal guide rail; 11. an adjusting block; 12. connecting blocks; 13. an adjustment column; 14. a motor; 15. adjusting a rod A; 16. an adjusting rod B; 17. a compression ring A; 18. a through groove A; 19. a compression bolt A; 20. pressing the nut A; 21. a clamping plate A; 22. clamping the column A; 23. clamping the column B; 24. clamping the bolt A; 25. a clamping bolt B; 26. a clamping plate B; 27. a clamping cylinder; 28. a clamping rod A; 29. a clamping rod B; 30. a compression ring B; 31. a through groove B; 32. a pressing bolt B; 33. a jacking device; 34. a compression nut B; 35. a jacking block; 36. a jacking plate; 37. a rubber plate; 38. a guide post A; 39. a guide post B; 40. a second conductive line; 41. and (4) a support column.
Detailed Description
Example one
As shown in fig. 1 to 8, the present invention includes a housing 1, a first copper plate 2 and a second copper plate 3 vertically arranged in the housing 1 in sequence, an adjusting device 4 arranged in the housing 1 and fixedly connected with the first copper plate 2, a pressing device arranged on the adjusting device 4, a first lead 6 arranged on the pressing device and communicated to the outside of the housing 1, a clamping device 7 arranged in the housing 1 and positioned at the right side of the second copper plate 3, a second lead 40 arranged on the pressing device and communicated to the outside of the housing 1, and a grounding device 8 arranged at the end of the second lead 40, wherein the second copper plate 3 is fixedly connected with the housing 1, and the adjusting device is positioned at one side of the first copper plate 2 far away from the second copper plate 3. The first copper plate 2 and the second copper plate 3 can release the large current of the lightning stroke to protect other places from the lightning stroke, the adjusting device 4 can adjust the distance between the first copper plate 2 and the second copper plate 3, the clamping device 7 can install the first lead 6 on the adjusting device 4, the pressing device can communicate the second lead 40 with the second copper plate 3 to conduct electricity, and the grounding device 8 can guide the lightning to the ground.
The adjusting device 4 of the invention comprises a supporting plate 9 which is positioned inside a housing 1 and is fixedly connected with the housing 1, a trapezoidal guide rail 10 which is fixedly arranged on the side surface of the supporting plate 9, an adjusting block 11 which is arranged on the inner side of the trapezoidal guide rail 10 and is matched with the trapezoidal guide rail 10, a connecting block 12 which is fixedly arranged at the right end of the adjusting block 11, an adjusting column 13 which is fixedly arranged on the side surface of the adjusting block 11, a supporting column 41 which is fixedly connected with the housing 1, a motor 14 which is fixedly arranged on the supporting column 41, an adjusting rod A15 of which one end is fixedly connected with an output shaft of the motor 14, and an adjusting rod B16 which is hinged between the other end of the adjusting rod A15 and the adjusting column 13, wherein a first copper plate 2 is fixedly connected at the right end of the connecting block 12, the length of the connecting block 12 is matched with the moving track of the adjusting block 11, so that, the adjusting block 11 is made of a conductive material. The motor 14, the support plate 9, the adjusting column 13, the adjusting rod a15 and the adjusting rod B16 can make the adjusting block 11 reciprocate along the trapezoidal guide rail 10, so that the connecting block 12 can adjust the distance between the first copper plate 2 and the second copper plate 3.
The pressing device comprises a pressing ring A17, a pressing bolt A19 and a pressing nut A20, wherein the first lead 6 is sleeved inside the pressing ring A17, the pressing bolt A19 is provided with a through groove A18, the first lead 6 is sleeved inside the through groove A18, the pressing nut A20 is sleeved outside the rod part of the pressing bolt A19 and is tightly attached to the first lead 6, the through groove A18 is located at the rod part of the pressing bolt A19, the opening of the through groove A18 is located at the end face of the rod part of the pressing bolt A19, and the first lead 6 is located between the head part of the pressing bolt A19 and the pressing nut A. The compression nut a20 may compress the first wire 6 within the through slot a18 of the compression bolt a 19.
The clamping device 7 of the invention comprises a clamping plate A21 fixedly connected with the second copper plate 3, a clamping column A22 and a clamping column B23 fixedly connected with the side surface of the clamping plate A21, a clamping bolt A24 and a clamping bolt B25 respectively hinged in the clamping column A22 and the clamping column B23 and penetrating through a clamping column A22 and a clamping column B23, a clamping plate B26 screwed on the clamping bolt A24 and the clamping bolt B25 and positioned above the clamping plate A21, a clamping cylinder 27 positioned between the clamping column A22 and the clamping column B23, a clamping rod A28 with one end fixedly connected with the bottom of the clamping bolt A24 and the other end hinged with one end of the clamping cylinder 27, and a clamping rod B29 with one end fixedly connected with the bottom of the clamping bolt B25 and the other end hinged with the other end of the clamping cylinder 27, wherein the second lead wire 40 is positioned between the clamping plate A21 and the clamping plate B26, the position of the clamping cylinder 27 is matched with the housing 1, and the telescopic cylinder is not interfered with the housing 1, the clamping plate A21 is made of conductive materials, and the clamping bolt A24 and the clamping bolt B25 are opposite in spiral direction. The clamp cylinder 27 can rotate the clamp rod a28 and the clamp rod B29 through the telescopic cylinder, so that the clamp bolt a24 and the clamp bolt B25 rotate, and the clamp plate B26 clamps the second lead 40 on the clamp plate a21, so that the second lead 40 is communicated with the second copper plate 3 for conducting electricity.
The supporting column 41 and the adjusting rod A15 are made of insulating materials, and can protect the motor 14.
The clamping plate B26 is made of rigid material and is fixedly provided with a rubber plate 37 at the bottom surface. The rubber sheet 37 can reduce damage to the second wire 40.
The top surface of the clamping plate B26 is fixedly provided with a guide post A38 and a guide post B39 which are respectively screwed with a clamping bolt A24 and a clamping bolt B25. Guide post a38 and guide post B39 may make the pinch plate B26 more smooth.
The clamping rod A28 and the clamping rod B29 are made of insulating materials and can protect the clamping cylinder 27.
The motor 14 and the clamping cylinder 27 are controlled by a PLC, so that the operation and the control are convenient.
When the device is used, the first lead 6 penetrates through the compression ring A17 and is arranged in the through groove A18 after being aligned, the compression nut A20 is sleeved on the outer side of the compression bolt A19 and is screwed, and the first lead 6 can be connected with the supporting plate 9 at the moment. The second lead wire 40 is placed between the clamping plate A22 and the clamping plate B26, the clamping cylinder 27 is controlled by the PLC to extend and contract, the clamping bolt A24 and the clamping bolt B25 rotate, and therefore the clamping plate B26 presses the second lead wire 40 between the clamping plate A22 and the clamping plate B26, and the second lead wire 40 is connected and communicated because the clamping plate A22 is made of a conductive material. The PLC is used for controlling the motor 14 to rotate, so that the adjusting rod A15 and the adjusting rod B16 are driven to move, the adjusting block 11 can do reciprocating motion, and the distance between the first copper plate 2 and the second copper plate 3 can be adjusted.
Example two
As shown in fig. 1, 2, 3, 4, 5, 9, 10 and 11, the present invention includes a housing 1, a first copper plate 2 and a second copper plate 3 vertically arranged in the housing 1 in sequence, an adjusting device 4 arranged in the housing 1 and fixedly connected with the first copper plate 2, a pressing device arranged on the adjusting device 4, a first lead 6 arranged on the pressing device and communicated to the outside of the housing 1, a clamping device 7 arranged in the housing 1 and located at the right side of the second copper plate 3, a second lead 40 arranged on the pressing device and communicated to the outside of the housing 1, and a grounding device 8 arranged at the end of the second lead 40, wherein the second copper plate 3 is fixedly connected with the housing 1, and the adjusting device is located at the side of the first copper plate 2 far from the second copper plate 3. The first copper plate 2 and the second copper plate 3 can release the large current of the lightning stroke to protect other places from the lightning stroke, the adjusting device 4 can adjust the distance between the first copper plate 2 and the second copper plate 3, the clamping device 7 can install the first lead 6 on the adjusting device 4, the pressing device can communicate the second lead 40 with the second copper plate 3 to conduct electricity, and the grounding device 8 can guide the lightning to the ground.
The adjusting device 4 of the invention comprises a supporting plate 9 which is positioned inside a housing 1 and is fixedly connected with the housing 1, a trapezoidal guide rail 10 which is fixedly arranged on the side surface of the supporting plate 9, an adjusting block 11 which is arranged on the inner side of the trapezoidal guide rail 10 and is matched with the trapezoidal guide rail 10, a connecting block 12 which is fixedly arranged at the right end of the adjusting block 11, an adjusting column 13 which is fixedly arranged on the side surface of the adjusting block 11, a supporting column 41 which is fixedly connected with the housing 1, a motor 14 which is fixedly arranged on the supporting column 41, an adjusting rod A15 of which one end is fixedly connected with an output shaft of the motor 14, and an adjusting rod B16 which is hinged between the other end of the adjusting rod A15 and the adjusting column 13, wherein a first copper plate 2 is fixedly connected at the right end of the connecting block 12, the length of the connecting block 12 is matched with the moving track of the adjusting block 11, so that, the adjusting block 11 is made of a conductive material. The motor 14, the support plate 9, the adjusting column 13, the adjusting rod a15 and the adjusting rod B16 can make the adjusting block 11 reciprocate along the trapezoidal guide rail 10, so that the connecting block 12 can adjust the distance between the first copper plate 2 and the second copper plate 3.
The clamping device 7 of the invention comprises a clamping plate A21 fixedly connected with the second copper plate 3, a clamping column A22 and a clamping column B23 fixedly connected with the side surface of the clamping plate A21, a clamping bolt A24 and a clamping bolt B25 respectively hinged in the clamping column A22 and the clamping column B23 and penetrating through a clamping column A22 and a clamping column B23, a clamping plate B26 screwed on the clamping bolt A24 and the clamping bolt B25 and positioned above the clamping plate A21, a clamping cylinder 27 positioned between the clamping column A22 and the clamping column B23, a clamping rod A28 with one end fixedly connected with the bottom of the clamping bolt A24 and the other end hinged with one end of the clamping cylinder 27, and a clamping rod B29 with one end fixedly connected with the bottom of the clamping bolt B25 and the other end hinged with the other end of the clamping cylinder 27, wherein the second lead wire 40 is positioned between the clamping plate A21 and the clamping plate B26, the position of the clamping cylinder 27 is matched with the housing 1, and the telescopic cylinder is not interfered with the housing 1, the clamping plate A21 is made of conductive materials, and the clamping bolt A24 and the clamping bolt B25 are opposite in spiral direction. The clamp cylinder 27 can rotate the clamp rod a28 and the clamp rod B29 through the telescopic cylinder, so that the clamp bolt a24 and the clamp bolt B25 rotate, and the clamp plate B26 clamps the second lead 40 on the clamp plate a21, so that the second lead 40 is communicated with the second copper plate 3 for conducting electricity.
The pressing device comprises a pressing ring B30, a pressing bolt B32, a jacking device 33 and a pressing nut B34, wherein the first lead 6 is sleeved inside the pressing ring B30, the pressing ring B30 is fixedly arranged at the left end of an adjusting block 11, a through groove B31 is arranged, the first lead 6 is sleeved inside the through groove B31, the jacking device 33 is arranged inside the through groove B31 and is jacked with the first lead 6, the pressing nut B34 is sleeved outside the rod part of a pressing bolt B32 and is tightly attached to the jacking device 33, the through groove B31 is positioned at the rod part of the pressing bolt B32, and the opening of the through groove B31 is; the jacking device 33 comprises a jacking block 35 which is matched with the through groove B31 and is positioned on the inner side of the through groove B31 and jacking plates 36 which are fixedly arranged on two sides of the end part of the jacking block 35, the jacking block 35 can be clamped in the through groove B31, the jacking plates 36 are positioned on the jacking block 35 and are close to one end of a compression bolt B32, the first lead 6 is positioned between the head part of the compression bolt B32 and the jacking block 35, and the compression nut B34 is tightly attached to the jacking plates 36. The jacking device 33 and the compression nut can better clamp the first lead 6 in the compression bolt B32, and the jacking block 35 and the jacking plate 36 have larger stress area on the first lead 6, thereby being more beneficial to protecting the first lead 6 from being damaged.
The supporting column 41 and the adjusting rod A15 are made of insulating materials, and can protect the motor 14.
The clamping plate B26 is made of rigid material and the rubber plate 37 is fixedly arranged on the bottom surface, so that the damage to the second lead wire 40 can be reduced.
The top surface of the clamping plate B26 is fixedly provided with a guide post A38 and a guide post B39 which are respectively screwed with a clamping bolt A24 and a clamping bolt B25, so that the clamping plate B26 is more stable.
The clamping rod A28 and the clamping rod B29 are made of insulating materials and can protect the clamping cylinder 27.
The motor 14 and the clamping cylinder 27 are controlled by a PLC, so that the operation and the control are convenient.
When the device is used, the first lead 6 passes through the compression ring B30, the first lead 6 is arranged in the through groove B31 after being aligned, the jacking block 35 is arranged in the through groove B31, the jacking block 35 jacks the first lead 6, the compression nut B34 is sleeved on the outer side of the compression bolt B32 and screwed, the jacking block 35 fixes the first lead 6 on the compression bolt B32, and at the moment, the first lead 6 can be connected with the supporting plate 9. The second lead wire 40 is placed between the clamping plate A22 and the clamping plate B26, the clamping cylinder 27 is controlled by the PLC to extend and contract, the clamping bolt A24 and the clamping bolt B25 rotate, and therefore the clamping plate B26 presses the second lead wire 40 between the clamping plate A22 and the clamping plate B26, and the second lead wire 40 is connected and communicated because the clamping plate A22 is made of a conductive material. The PLC is used for controlling the motor 14 to rotate, so that the adjusting rod A15 and the adjusting rod B16 are driven to move, the adjusting block 11 can do reciprocating motion, and the distance between the first copper plate 2 and the second copper plate 3 can be adjusted.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides an adjustable clearance lightning protection equipment for electric power system distribution lines which characterized in that: the copper plate grounding device comprises a housing (1), a first copper plate (2) and a second copper plate (3) which are sequentially and vertically arranged in the housing (1), an adjusting device (4) which is arranged in the housing (1) and is fixedly connected with the first copper plate (2), a pressing device arranged on the adjusting device (4), a first lead (6) which is arranged on the pressing device and is communicated to the outer side of the housing (1), a clamping device (7) which is arranged in the housing (1) and is positioned on the right side of the second copper plate (3), a second lead (40) which is arranged on the pressing device and is communicated to the outer side of the housing (1) and a grounding device (8) arranged at the end part of the second lead (40), wherein the second copper plate (3) is fixedly connected with the housing (1), and the adjusting device is positioned on the first copper plate (2) and is far away from one side of the second copper plate (3).
2. An adjustable gap lightning protection apparatus for power distribution lines of power systems according to claim 1, wherein: the adjusting device (4) comprises a supporting plate (9) which is positioned inside the housing (1) and fixedly connected with the housing (1), a trapezoidal guide rail (10) which is fixedly arranged on the side surface of the supporting plate (9), an adjusting block (11) which is arranged on the inner side of the trapezoidal guide rail (10) and is matched with the trapezoidal guide rail (10), a connecting block (12) which is fixedly arranged at the right end of the adjusting block (11), an adjusting column (13) which is fixedly arranged on the side surface of the adjusting block (11), a supporting column (41) which is fixedly connected with the housing (1), a motor (14) which is fixedly arranged on the supporting column (41), an adjusting rod A (15) of which one end is fixedly connected with an output shaft of the motor (14), and an adjusting rod B (16) which is hinged between the other end of the adjusting rod A (15) and the adjusting column (13), the first copper plate (2) is fixedly connected at the right end of the connecting block (12), and the length of the, the clamping device (7) is arranged on the right side of the adjusting block (11), and the adjusting block (11) is made of a conductive material.
3. An adjustable gap lightning protection device for power distribution lines of power systems according to claim 2, characterized in that: the pressing device comprises a pressing ring A (17) which is internally sleeved with a first lead (6) and is fixedly arranged at the left end of an adjusting block (11), a pressing bolt A (19) which is provided with a through groove A (18) and is internally sleeved with the first lead (6) in the through groove A (18), and a pressing nut A (20) which is sleeved on the outer side of the rod part of the pressing bolt A (19) and is tightly attached to the first lead (6), wherein the through groove A (18) is positioned at the rod part of the pressing bolt A (19) and is provided with an opening at the end surface of the rod part of the pressing bolt A (19), and the first lead (6) is positioned between the head part of the pressing bolt A (19) and the pressing nut A (20).
4. An adjustable gap lightning protection apparatus for power distribution lines of power systems according to claim 1, wherein: the clamping device (7) comprises a clamping plate A (21) fixedly connected with the second copper plate (3), a clamping column A (22) and a clamping column B (23) fixedly connected with the side surface of the clamping plate A (21), a clamping bolt A (24) and a clamping bolt B (25) which are respectively hinged in the clamping column A (22) and the clamping column B (23) and penetrate through the clamping column A (22) and the clamping column B (23), a clamping plate B (26) which is screwed on the clamping bolt A (24) and the clamping bolt B (25) and is positioned above the clamping plate A (21), a clamping cylinder (27) positioned between the clamping column A (22) and the clamping column B (23), a clamping rod A (28) with one end fixedly connected with the bottom of the clamping bolt A (24) and the other end hinged with one end of the clamping cylinder (27), and a clamping rod B (29) with one end fixedly connected with the bottom of the clamping bolt B (25) and the other end hinged with the other end of the clamping cylinder (27), the second lead (40) is located between a clamping plate A (21) and a clamping plate B (26), the position of the clamping cylinder (27) is matched with that of the housing (1), the clamping plate A (21) is made of a conductive material, and the spiral directions of the clamping bolt A (24) and the clamping bolt B (25) are opposite.
5. An adjustable gap lightning protection device for power distribution lines of power systems according to claim 2, characterized in that: the pressing device comprises a pressing ring B (30) which is internally sleeved with a first lead (6) and is fixedly arranged at the left end of the adjusting block (11), a pressing bolt B (32) which is provided with a through groove B (31) and is internally sleeved with the first lead (6) in the through groove B (31), a jacking device (33) which is arranged in the through groove B (31) and is jacked with the first lead (6), and a pressing nut B (34) which is sleeved on the outer side of the rod part of the pressing bolt B (32) and is tightly attached to the jacking device (33), wherein the through groove B (31) is positioned at the rod part of the pressing bolt B (32) and has an opening positioned on the end surface of the rod part of the pressing bolt B (32);
the jacking device (33) comprises a jacking block (35) which is matched with the through groove B (31) and is positioned at the inner side of the through groove B (31) and a jacking plate (36) which is fixedly arranged at two sides of the end part of the jacking block (35), the jacking plate (36) is positioned at one end, close to one end of a compression bolt B (32), of the jacking block (35), the first lead (6) is positioned between the head of the compression bolt B (32) and the jacking block (35), and the compression nut B (34) is tightly attached to the jacking plate (36).
6. An adjustable gap lightning protection device for power distribution lines of power systems according to claim 2, characterized in that: the supporting column (41) and the adjusting rod A (15) are made of insulating materials.
7. An adjustable gap lightning protection device for power distribution lines of power systems according to claim 4, characterized in that: the clamping plate B (26) is made of rigid material, and a rubber plate (37) is fixedly arranged on the bottom surface.
8. An adjustable gap lightning protection device for power distribution lines of power systems according to claim 4, characterized in that: and the top surface of the clamping plate B (26) is fixedly provided with a guide column A (38) and a guide column B (39) which are respectively screwed with the clamping bolt A (24) and the clamping bolt B (25).
9. An adjustable gap lightning protection device for power distribution lines of power systems according to claim 4, characterized in that: the clamping rod A (28) and the clamping rod B (29) are made of insulating materials.
10. An adjustable gap lightning protection device for power distribution lines of power systems according to claim 2 or claim 4, characterized in that: the motor (14) and the clamping cylinder (27) are controlled by a PLC.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011338816.7A CN112636296B (en) | 2020-11-25 | 2020-11-25 | Adjustable gap lightning protection equipment for power distribution line of power system |
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| CN202011338816.7A CN112636296B (en) | 2020-11-25 | 2020-11-25 | Adjustable gap lightning protection equipment for power distribution line of power system |
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| CN112636296B CN112636296B (en) | 2022-06-14 |
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| CN112636296B (en) | 2022-06-14 |
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