CN218569803U - Overvoltage preventing device for transformer substation - Google Patents
Overvoltage preventing device for transformer substation Download PDFInfo
- Publication number
- CN218569803U CN218569803U CN202221913632.3U CN202221913632U CN218569803U CN 218569803 U CN218569803 U CN 218569803U CN 202221913632 U CN202221913632 U CN 202221913632U CN 218569803 U CN218569803 U CN 218569803U
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- top surface
- fixedly connected
- installation box
- plate
- transformer substation
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- 238000009434 installation Methods 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 4
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses an overvoltage protection device for a transformer substation, which comprises a supporting plate, wherein the top surface of the supporting plate is symmetrically and vertically fixedly connected with two first fixed rods, two first fixed rod tops are all fixedly connected with an installation box, the top surface of the installation box is symmetrically and vertically fixedly connected with two second fixed rods, the outer walls of the two second fixed rods are all slidably connected with an installation base, the top surface of the installation base is provided with a lightning rod, the top surface of the installation base is symmetrically provided with two hanging rings, each hanging ring outer wall is connected with one end of a hanging rope, and the top ends of the two second fixed rods are all provided with guide wheels for guiding the hanging ropes; two fixing plates are fixedly connected to the inner wall of the installation box vertically. This kind of transformer substation is with preventing overvoltage device for the staff need not to use the instrument to climb to the eminence and carry out the dismouting of lightning rod, is favorable to improving staff's work efficiency, and safety has also obtained the assurance.
Description
Technical Field
The utility model relates to a transformer substation is with preventing excessive pressure device belongs to power equipment technical field.
Background
With the development of social economy, the demand of electric energy is increasing day by day, and electric power systems develop towards remote distance, large capacity and ultrahigh voltage. Overvoltage accidents often occur in a power system, the lightning overvoltage accidents generally account for more than 50% of the accidents of the power system, and reasonable lightning protection measures are taken in the design of a 220kV transformer substation according to direct lightning and invasion wave overvoltage, so that the method has important significance for ensuring the normal operation of the power system.
The existing overvoltage protection device for the transformer substation generally prevents the lightning overvoltage of the transformer substation through the lightning rod, but the lightning rod is used for preventing the lightning overvoltage of the transformer substation, the installation height of the lightning rod is higher than that of the transformer substation, so that the lightning rod can be guaranteed to play a role in preventing the lightning overvoltage of the transformer substation, therefore, when the lightning rod is installed or damaged and maintained, a worker needs to climb to a high place to install or dismantle the lightning rod through a ladder, the transformer substation is very inconvenient, and certain danger exists in the ascending operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a transformer substation is with preventing excessive pressure device solves installing of prior art transformer substation lightning rod and highly requires, and the staff need use the instrument to climb to the aerial work when carrying out the dismouting to the lightning rod, and work is inconvenient, the operation of ascending a height has dangerous technical problem.
The purpose of the utility model is realized through the following technical scheme:
the overvoltage preventing device for the transformer substation comprises a supporting plate, wherein two first fixing rods are symmetrically and vertically fixedly connected to the top surface of the supporting plate, an installation box is fixedly connected to the top ends of the two first fixing rods, two second fixing rods are symmetrically and vertically fixedly connected to the top surface of the installation box, an installation base is slidably connected to the outer walls of the two second fixing rods, lightning rods are installed on the top surface of the installation base, two hanging rings are symmetrically installed on the top surface of the installation base in a left-right mode, each hanging ring is connected with one end of a hanging rope, and guide wheels for guiding the hanging ropes are arranged at the top ends of the two second fixing rods; the left side and the right side of the inner wall of the installation box are respectively vertically and fixedly connected with a fixed plate, a rope winding roller is horizontally and rotatably connected between the fixed plate and the vertical inner wall of the installation box on one side, through holes for the lifting ropes to pass through are symmetrically formed in the top surface of the installation box, the outer wall of each rope winding roller is connected with the other end of the lifting rope, a rotating shaft of each rope winding roller, which extends to the other side of the fixed plate, is coaxially and fixedly connected with a driven bevel gear, and the two driven bevel gears are meshed with the driving bevel gear; the front surface of the outer part of the mounting box is rotatably connected with a transmission rod, one end of the transmission rod is coaxially and fixedly connected with a hand wheel, the other end of the transmission rod extends into the mounting box, and the end part of the transmission rod is coaxially and fixedly connected with the driving bevel gear; the top surface of the supporting plate is vertically provided with a grounded electricity leading rod, and the electricity leading rod extends to the top of the mounting box and is electrically connected with the lightning rod through a wire.
The purpose of the utility model can be further realized through the following technical measures:
the transformer substation is with preventing excessive pressure device, install bin top surface are provided with the case that is used for depositing the wire.
The overvoltage protection device for the transformer substation is located outside the installation box, the outer wall of the transmission rod is sleeved with the clamping gear, and the front face of the installation box is provided with the clamping mechanism matched with the clamping gear.
The utility model provides an overvoltage crowbar is used to transformer substation, latch mechanism is including the rectangle fixed block, the slide has openly been seted up to the rectangle fixed block, rectangle fixed block slide sliding connection has the push pedal, the vertical fixedly connected with of push pedal top surface and rectangle fixed block top surface sliding connection's cardboard, the cardboard top with joint gear engagement, and the push pedal bottom surface with be provided with reset spring between the relative inner wall of rectangle fixed block slide.
The front upper part of the rectangular fixing block is horizontally and fixedly connected with a positioning plate matched with the push plate.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a transformer substation is with preventing excessive pressure device, when the installation, make joint mechanism and joint gear break away from the joint earlier, the clockwise hand wheel of rethread, can rotate the transfer line, rotate driving bevel gear after that, rethread driven rope roller that rolls up is rotated from the driving bevel gear, and then release the lifting rope, put down the mounting base, then install the lightning rod at the mounting base top surface, after the lightning rod installation is accomplished, the anticlockwise rotation hand wheel, to the lifting rope rolling on the rope roller, remove the eminence to the mounting base along the second dead lever through the lifting rope, make the staff need not use tools to climb to the eminence and carry out the dismouting of lightning rod, be favorable to improving staff's work efficiency, safety has also obtained the assurance.
Drawings
Fig. 1 is a schematic view of a partial front-cut structure of an overvoltage protection device for a transformer substation according to the present invention;
fig. 2 is a schematic side sectional structure view of an installation box of the overvoltage protection device for the transformer substation of the present invention;
fig. 3 is an enlarged schematic structural view of a part a of fig. 1 of the overvoltage protection device for a transformer substation according to the present invention;
fig. 4 is an enlarged schematic structural diagram of the overvoltage protection device for a transformer substation at B in fig. 2 according to the present invention;
fig. 5 is a schematic view of a three-dimensional structure of a clamping mechanism of an overvoltage protection device for a transformer substation according to the present invention;
in the figure: 1. a support plate; 2. a first fixing lever; 3. installing a box; 4. a second fixing bar; 5. mounting a base; 6. a hoisting ring; 7. a lifting rope; 8. a guide wheel; 9. a fixing plate; 10. a rope winding roller; 11. a driven bevel gear; 12. a drive bevel gear; 13. a transmission rod; 14. clamping a gear; 15. a clamping mechanism; 1501. a rectangular fixed block; 1502. pushing the plate; 1503. clamping a plate; 1504. a return spring; 1505. positioning a plate; 16. a charge-drawing rod; 17. a storage box; 18. a lightning rod.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Example (b): as shown in fig. 1-4, an overvoltage protection device for transformer substation, including backup pad 1, two first dead levers 2 of the vertical fixedly connected with of backup pad 1 top surface symmetry, equal fixed connection install bin 3 in 2 top ends of two first dead levers, two second dead levers 4 of the vertical fixedly connected with of top surface symmetry on install bin 3, mounting base 5 sliding connection is in the outer wall of two second dead levers 4, lightning rod 18 is installed to mounting base 5 top surface, two rings 6 are installed to mounting base 5 top surface symmetry, the outer wall connection of each ring 6 has lifting rope 7 one end, two second dead levers 4 top all are provided with leading wheel 8 that is used for lifting rope 7 direction.
Two fixed plates 9 of the vertical fixedly connected with of 3 inner walls of installing box, the level is rotated between every fixed plate 9 and the 3 opposite sides of installing box and is connected with rope winding roller 10, every rope winding roller 10 outer wall is connected with the 7 other ends of lifting rope, every rope winding roller 10 pivot extends to the equal coaxial fixedly connected with driven bevel gear 11 of the outside pivot of fixed plate 9, and two driven bevel gear 11 have all meshed the drive bevel gear 12, installing box 3 openly rotates and is connected with transfer line 13, the coaxial fixedly connected with hand wheel of transfer line 13 one end, rotate the hand wheel, can rotate transfer line 13, rotate drive bevel gear 12 after that, drive bevel gear 12 drives two driven bevel gear 11 again and rotates.
Preferentially, in order to facilitate operation, the outer wall of the transmission rod 13 positioned outside the installation box 3 is sleeved with a clamping gear 14, and the front surface of the installation box 3 is provided with a clamping mechanism 15 matched with the clamping gear 14. As shown in fig. 5, the clamping mechanism 15 includes a rectangular fixing block 1501, a slide way is provided on the front surface of the rectangular fixing block 1501, a push plate 1502 is slidably connected to the slide way of the rectangular fixing block 1501, a clamp plate 1503 slidably connected to the top surface of the rectangular fixing block 1501 is vertically and fixedly connected to the top surface of the push plate 1502, the top end of the clamp plate 1503 is meshed with the clamping gear 14, a return spring 1504 is provided between the bottom surface of the push plate 1502 and the opposite inner wall of the slide way of the rectangular fixing block 1501, a positioning plate 1505 matched with the push plate 1502 is horizontally and fixedly connected to the upper portion of the front surface of the rectangular fixing block 1501, the push plate 1502 can be moved down through the matching between the clamping mechanism 15 and the clamping gear 14 when the handwheel needs to be rotated, so that the clamp plate 1503 and the clamping gear 14 are separated from the clamping state, and meanwhile, a cushion block with a proper height is placed between the clamp plate 1503 and the positioning plate 1505, so that the position of the push plate 1502 in the vertical direction can be positioned without being continuously pressed by hands, and unlocking can be realized.
The top surface of the supporting plate 1 is vertically provided with a grounding electric conduction rod 16, one end of the electric conduction rod 16, which extends to the top of the mounting box 3, is electrically connected with the lightning rod 18 through a conducting wire, and the electric conduction rod 16 can guide the current to the ground after the lightning rod 18 is hit by lightning.
The top surface of the installation box 3 is provided with a storage box 17 for storing the wires, and the wires can be stored through the storage box 17.
The installation and use method comprises the following steps: this kind of transformer substation is with preventing excessive pressure device, when using, whether this kind of transformer substation is with preventing excessive pressure device can normal use is examined earlier, when needs are installed lightning rod 18, can make clamping mechanism 15 and joint gear 14 break away from the joint earlier, rethread clockwise rotation hand wheel, can rotate transfer line 13, rotate driving bevel gear 12 afterwards, rethread driven bevel gear 11 drives serving roller 10 and rotates, and then release lifting rope 7, put mounting base 5 down, install lightning rod 18 at mounting base 5 top surface again, after lightning rod 18 installation is accomplished, anticlockwise rotation hand wheel, lifting rope 7 rolling on serving roller 10, remove eminence along second dead lever 4 to mounting base 5 through lifting rope 7, make the staff need not to use the instrument to climb to the eminence and carry out the installation of lightning rod, be favorable to improving staff's work efficiency, safety has also obtained the assurance.
In addition to the above embodiments, the present invention can also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (5)
1. The overvoltage preventing device for the transformer substation is characterized by comprising a supporting plate, wherein two first fixing rods are symmetrically and vertically and fixedly connected to the top surface of the supporting plate, an installation box is fixedly connected to the top ends of the two first fixing rods, two second fixing rods are symmetrically and vertically and fixedly connected to the top surface of the installation box, an installation base is slidably connected to the outer walls of the two second fixing rods, a lightning rod is installed on the top surface of the installation base, two hanging rings are symmetrically installed on the top surface of the installation base in a left-right mode, each hanging ring is connected with one end of a hanging rope, and guide wheels for guiding the hanging ropes are arranged at the top ends of the two second fixing rods; the left side and the right side of the inner wall of the installation box are respectively vertically and fixedly connected with a fixed plate, a rope winding roller is horizontally and rotatably connected between the fixed plate and the vertical inner wall of the installation box on one side, through holes for the lifting ropes to pass through are symmetrically formed in the top surface of the installation box, the outer wall of each rope winding roller is connected with the other end of the lifting rope, a rotating shaft of each rope winding roller, which extends to the other side of the fixed plate, is coaxially and fixedly connected with a driven bevel gear, and the two driven bevel gears are meshed with the driving bevel gear; a transmission rod is rotatably connected to the front face of the outer portion of the installation box, one end of the transmission rod is coaxially and fixedly connected with a hand wheel, the other end of the transmission rod extends into the installation box, and the end portion of the transmission rod is coaxially and fixedly connected with the driving bevel gear; the top surface of the supporting plate is vertically provided with a grounded electricity leading rod, and the electricity leading rod extends to the top of the mounting box and is electrically connected with the lightning rod through a wire.
2. The overvoltage protection device for a substation according to claim 1, wherein a storage box for storing the wires is provided on the top surface of the installation box.
3. The overvoltage protection device for the transformer substation as claimed in claim 1, wherein a clamping gear is sleeved on the outer wall of the transmission rod outside the installation box, and a clamping mechanism matched with the clamping gear is arranged on the front surface of the installation box.
4. The overvoltage preventer according to claim 3, wherein the clamping mechanism comprises a rectangular fixing block, a slide is arranged on the front surface of the rectangular fixing block, a push plate is slidably connected to the slide of the rectangular fixing block, a clamping plate slidably connected to the top surface of the rectangular fixing block is vertically and fixedly connected to the top surface of the push plate, the top end of the clamping plate is engaged with the clamping gear, and a return spring is arranged between the bottom surface of the push plate and the opposite inner wall of the slide of the rectangular fixing block.
5. The overvoltage protection device for the substation as claimed in claim 4, wherein a positioning plate matched with the push plate is horizontally and fixedly connected to the upper portion of the front face of the rectangular fixing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221913632.3U CN218569803U (en) | 2022-07-22 | 2022-07-22 | Overvoltage preventing device for transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221913632.3U CN218569803U (en) | 2022-07-22 | 2022-07-22 | Overvoltage preventing device for transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218569803U true CN218569803U (en) | 2023-03-03 |
Family
ID=85307031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221913632.3U Withdrawn - After Issue CN218569803U (en) | 2022-07-22 | 2022-07-22 | Overvoltage preventing device for transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218569803U (en) |
-
2022
- 2022-07-22 CN CN202221913632.3U patent/CN218569803U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20230303 Effective date of abandoning: 20231017 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20230303 Effective date of abandoning: 20231017 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |