CN220829906U - Outdoor alternating current high-voltage closed isolating switch - Google Patents
Outdoor alternating current high-voltage closed isolating switch Download PDFInfo
- Publication number
- CN220829906U CN220829906U CN202322554260.0U CN202322554260U CN220829906U CN 220829906 U CN220829906 U CN 220829906U CN 202322554260 U CN202322554260 U CN 202322554260U CN 220829906 U CN220829906 U CN 220829906U
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- China
- Prior art keywords
- block
- fixed
- switch
- disconnecting link
- pull ring
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Links
- 239000012212 insulator Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 30
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 15
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model discloses an outdoor alternating current high-voltage closed isolating switch, which comprises a bottom plate, wherein two insulators are fixed on the bottom plate through nuts, the top ends of the insulators are connected with wiring terminals through bolts, the left side of the insulators is provided with a first wiring terminal, the right side of the insulators is provided with a second wiring terminal, the outer side of the wiring terminals is provided with an insulating equipment wire clamp, the middle part of the upper side of the first wiring terminal is fixedly provided with a connecting piece through a bolt, the middle part of the upper side of the second wiring terminal is fixedly provided with a stop block through a bolt, a contact body is arranged in the wiring terminals, and the upper side of the wiring terminals is provided with a disconnecting link. The beneficial effects are that: the disconnecting link can be effectively locked and fixed, the fixing effect of the disconnecting link is improved, the disconnecting link is prevented from loosening, the normal use of the disconnecting link is ensured, and the stability of the disconnecting link is improved; the fixing effect of the contact tongue and the contact body is improved, and the sliding loosening is prevented; the wear-resisting block is arranged, so that the service life of the contact tongue is prolonged.
Description
Technical Field
The utility model relates to the field of electrical control supporting equipment, in particular to an outdoor alternating current high-voltage closed isolating switch.
Background
The high-voltage isolating switch is mainly used for outdoor alternating current systems and aims to exchange live high-voltage lines and electrically isolate the live high-voltage lines from electrical equipment such as high-voltage buses or circuit breakers to be overhauled. The design of the outdoor alternating current high-voltage closed isolating switch can effectively isolate the voltage and avoid electrical accidents, so that the safe operation of a power system is ensured, and the power system can adapt to different voltage levels and various complicated power system environments.
However, in the process of implementing the technical scheme of the embodiment of the utility model, the inventor discovers that the above technology has at least the following technical problems:
The isolating switch is assembled outdoors, so that the problem that the contact point is loosened easily occurs, the normal use of electric power is seriously influenced, and the connection tightness and stability between the disconnecting link and the wiring terminal are required to be improved; the knife switch and the insulator need to have certain tightness, so that the knife switch is prevented from being exposed outside, faults are caused by environmental factors, copper oxidation can be accelerated by rainwater, and the conductivity is influenced.
Disclosure of utility model
According to the embodiment of the application, the problem of connection stability and tightness between the disconnecting link and the wiring terminal in the prior art is solved by providing the outdoor alternating current high-voltage closed type disconnecting link, the disconnecting link can be effectively locked and fixed, the fixing effect of the disconnecting link is improved, the sealing is formed by matching the sealing block and the sealing groove, the short circuit and oxidation caused by the entry of objects or rainwater are prevented, and the normal use of the disconnecting link is effectively ensured.
The embodiment of the application provides an outdoor alternating current high-voltage closed isolating switch, which comprises a bottom plate, wherein two insulators are fixed on the bottom plate through nuts, the top ends of the insulators are connected with wiring terminals through bolts, the left side of the insulators is provided with a first wiring terminal, the right side of the insulators is provided with a second wiring terminal, the outer side of the wiring terminals is provided with an insulating equipment wire clamp, the middle part of the upper side of the first wiring terminal is fixedly provided with a connecting piece through bolts, the middle part of the upper side of the second wiring terminal is fixedly provided with a stop block through bolts, a contact body is arranged in the wiring terminals, the upper side of the wiring terminals is provided with a knife switch, the bottom of the knife switch is provided with a touch tongue, the left end of the knife switch is provided with a connecting block in a welding mode, the connecting block is movably fixed in the connecting piece through a fixing pin, the right side of the knife switch is provided with a pull ring, the limiting block is matched with the stop block, the pull ring is fixed on the upper side of the knife switch through the fixing block in a matching mode, and the left side is provided with a protection block.
The connecting block is provided with a step surface, and the step surface is in contact with and welded with the disconnecting link.
The contact tongue is fixed at the bottom of the disconnecting link through a bolt, the contact tongue is wholly in a shape like a Chinese character 'ji', the contact body is mutually matched with the contact tongue in a shape like a Chinese character 'ji', the contact body is provided with an inclined surface inclined outwards by 5 degrees, the contact tongue is provided with a wear-resisting block, and the wear-resisting block is fixed with the contact tongue in an embedded mode.
Pull ring and stopper set up as an organic wholely, fixed pin quantity be two, transversely set up on stopper and pull ring, the protection piece wholly be echelonment, set up on the left switch of pull ring, the stopper be triangle-shaped, the pull ring is fixed, stopper right side and dog laminating, the upper right corner of dog be the arc.
The bottom plate adopts channel steel, evenly arranges the locating hole on the bottom plate, the locating hole be the strip, the insulator pass through nut locking from locating hole department and fix.
The knife switch on set up the sealing block, the sealing block wholly be the square, the outer cladding of knife switch have the insulating shell of resin, sealing block and insulating shell of resin set up as an organic wholely, the sealing block be located the outer lane of touch tongue, the insulator in be provided with sealing block matched with seal groove, sealing block closely laminate with the seal groove when the installation.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
1. the left side of switch passes through connecting piece and connecting block cooperation and fixed pin, makes it rotate along the fixed pin, and the right side passes through pull ring, stopper and dog cooperation, can effectually lock the switch fixedly, has improved the fixed effect of switch, prevents that it from loosening, has guaranteed isolator's normal use, has improved isolator's stability.
2. The contact tongue and the contact lifter are arranged in a shape of a Chinese character 'ji', so that the contact tongue is convenient to insert into the contact body, and the inclined surface is arranged on the contact body, thereby improving the fixing effect of the contact tongue and the contact body and preventing sliding loosening; the wear-resisting block is arranged, so that the service life of the contact tongue is prolonged.
3. The stopper on the pull ring is when locking, blocks the dog through the stopper, restricts the motion of pull ring, can effectually block the switch through the pull ring to improve the stability of being connected between switch and the binding post, can not take place unexpected disconnection.
4. The disconnecting link outer layer for conduction is coated with the resin insulating shell, the conduction position is the contact tongue and the contact body, the contact tongue and the contact body are sealed to a certain extent through the sealing block and the sealing groove, the phenomenon that faults are caused by short circuits caused by the fact that some objects enter the inside in the natural environment is prevented, certain rain prevention can be performed, the oxidation speed of copper in the inside is reduced, and the influence on the conduction performance is prevented.
Drawings
FIG. 1 is a schematic diagram of a specific structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model at a terminal;
FIG. 3 is a schematic view of a pull ring according to the present utility model;
Fig. 4 is a front view of the present utility model.
Detailed Description
According to the embodiment of the application, the problem of connection stability and tightness between the disconnecting link and the wiring terminal in the prior art is solved by providing the outdoor alternating current high-voltage closed type disconnecting link, the disconnecting link can be effectively locked and fixed, the fixing effect of the disconnecting link is improved, the sealing is formed by matching the sealing block and the sealing groove, the short circuit and oxidation caused by the entry of objects or rainwater are prevented, and the normal use of the disconnecting link is effectively ensured.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Example 1
The utility model provides an outdoor interchange high-voltage closed isolator, includes bottom plate 11, bottom plate 11 on be fixed with two insulators 10 through the nut, insulator 10 top have binding post through bolted connection, the left side is first binding post 2, the right side is second binding post 9, the binding post outside be provided with insulating device fastener 1, first binding post 2 upside middle part be fixed with connecting piece 3 through the bolt, second binding post 9 upside middle part be fixed with dog 8 through the bolt, binding post in be provided with contact body 12, the binding post upside be provided with switch 5, switch 5 bottom be provided with touch tongue 13, switch 5 left end be provided with connecting block 4 through welded mode, connecting block 4 be fixed in connecting piece 3 through the fixed pin activity, switch 5 right side be provided with pull ring 7, pull ring 7 on be provided with stopper 7-1, stopper 7-1 cooperate with dog 8, 7 pass through fixed block 6 and be provided with the protection switch 5 through fixed block on the fixed block of fixed block 5, switch 5 is provided with the embedded mode.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
The left side of switch 5 passes through connecting piece 3 and connecting block 4 cooperation and fixed pin, makes it rotate along the fixed pin, and the right side passes through pull ring 7, stopper 7-1 and dog 8 cooperation, can effectually lock switch 5 fixed, has improved the fixed effect of switch 5, prevents that it from loosening, has guaranteed isolator's normal use, has improved isolator's stability.
Example two
An outdoor alternating current high-voltage closed isolating switch is characterized in that a step surface is arranged on a connecting block 4, and the step surface is in contact with and welded with a disconnecting link 5; the contact tongue 13 is fixed at the bottom of the knife switch 5 through a bolt, the contact tongue 13 is wholly in a shape like a Chinese character 'ji', the contact body 12 is mutually matched with the contact tongue 13 in a shape like a Chinese character 'ji', the contact body 12 is provided with an inclined surface which is inclined outwards by 5 degrees, the contact tongue 13 is provided with a wear-resisting block 131, and the wear-resisting block 131 is fixed with the contact tongue 13 in an embedded mode.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
The connecting effect of the connecting block 4 and the disconnecting link 5 is improved through the step surface; the contact tongue 13 and the contact lifter are both arranged in a shape of a Chinese character 'ji', so that the contact tongue 13 is conveniently inserted into the contact body 12, and the contact body 12 is provided with an inclined surface, thereby improving the fixing effect of the contact tongue 13 and the contact body 12 and preventing sliding loosening; wear blocks 131 are provided to improve the service life of the contact tongue 13.
Example III
The utility model provides an outdoor alternating current high voltage closed isolating switch, pull ring 7 and stopper 7-1 set up as an organic whole, fixed pin quantity be two, transversely set up on stopper 7-1 and pull ring 7, the protection piece wholly be echelonment, set up on the switch 5 in pull ring 7 left side, stopper 7-1 be the triangle form, pull ring 7 when fixed, stopper 7-1 right side and dog 8 laminating, dog 8 upper right corner be the arc; the bottom plate 11 adopts channel steel, and the locating hole has evenly been arranged on the bottom plate 11, the locating hole be the strip, insulator 10 pass through nut locking fixation from locating hole department.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
When the limiting block 7-1 on the pull ring 7 is locked, the stop block 8 is clamped through the limiting block 7-1, the movement of the pull ring 7 is limited, the disconnecting link 5 can be effectively clamped through the pull ring 7, so that the stability of connection between the disconnecting link 5 and a wiring terminal is improved, accidental disconnection cannot occur, when the knife 5 is closed, the limiting block 7-1 is downwards clamped into the stop block 8 from the upper right corner of the stop block 8, when the knife 5 is opened, the pull ring 7 is pulled, the limiting block 7-1 is pulled out from the stop block 8, and certain bending deformation can be made by the limiting block; the bottom plate 11 is the channel-section steel, locks insulator 10 on the channel-section steel through the nut, because the locating hole is the strip, conveniently adjusts the distance between the insulator 10, can effectually adjust the mounted position of circuit breaker through a plurality of locating holes.
Example IV
The utility model provides an outdoor alternating current high pressure closed isolator, switch 5 on set up sealing block 5-2, sealing block 5-2 wholly be the square, switch 5 outer cladding have resin insulation shell 5-1, sealing block 5-2 and resin insulation shell 5-1 set up as an organic wholely, sealing block 5-2 be located the outer lane of contact 13, insulator 9 in be provided with sealing block 5-2 matched with seal groove 9-1, sealing block 5-2 closely laminate with seal groove 9-1 when the installation.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
Because the device is used outdoors, the conductive part is required to be protected, the outer layer of the disconnecting link 5 for conduction is covered with the resin insulation shell 5-1, the conductive position is the contact tongue 13 and the contact body 12, the 9-1 is sealed to a certain extent through the sealing block 5-2 and the sealing groove, the phenomenon that some objects in the natural environment enter the interior to cause short circuit to cause faults is prevented, certain rain prevention can be carried out, the oxidation speed of copper in the interior is reduced, and the influence on the conductive performance is prevented.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. The utility model provides an outdoor alternating current high voltage closed isolator, includes the bottom plate, its characterized in that, the bottom plate on be fixed with two insulators through the nut, the insulator top have binding post through bolted connection, the left side is first binding post, the right side is the second binding post, the binding post outside be provided with insulating equipment fastener, first binding post upside middle part be fixed with the connecting piece through the bolt, second binding post upside middle part be provided with the dog through the bolt fastening, binding post in be provided with the contact body, the binding post upside be provided with the switch, the switch bottom be provided with the touch tongue, the switch left end be provided with the connecting block through welded mode, the connecting block pass through fixed pin movable fixation in the connecting piece, the switch right side be provided with the pull ring, the pull ring on be provided with the stopper, stopper and dog cooperate, the pull ring pass through fixed pin cooperation fixed block to be fixed in the switch upside, the left side be provided with the protection piece.
2. An outdoor ac high voltage enclosed disconnector as claimed in claim 1, characterised in that said connection block is provided with a step surface which is in contact with and welded to the knife switch.
3. The outdoor alternating current high-voltage sealed isolating switch of claim 1, wherein the contact tongue is fixed at the bottom of the disconnecting link through a bolt, the contact tongue is wholly in a shape like a Chinese character 'ji', the contact body is mutually matched with the contact tongue in a shape like a Chinese character 'ji', the contact body is provided with an inclined surface inclined outwards by 5 degrees, the contact tongue is provided with a wear-resisting block, and the wear-resisting block is fixed with the contact tongue in an embedded mode.
4. The outdoor alternating current high-voltage closed isolating switch of claim 1, wherein the pull ring and the limiting block are integrally arranged, the number of the fixing pins is two, the fixing pins are transversely arranged on the limiting block and the pull ring, the whole protecting block is in a step shape and is arranged on a knife switch on the left side of the pull ring, the limiting block is in a triangle shape, the right side of the limiting block is attached to the limiting block when the pull ring is fixed, and the right upper corner of the limiting block is in an arc shape.
5. The outdoor alternating current high-voltage closed isolating switch of claim 1, wherein the base plate is a channel steel, positioning holes are uniformly distributed on the base plate, the positioning holes are strip-shaped, and the insulator is locked and fixed through nuts from the positioning holes.
6. The outdoor alternating current high-voltage closed isolating switch of claim 1, wherein the disconnecting link is provided with a sealing block, the whole sealing block is square, the outer layer of the disconnecting link is coated with a resin insulation shell, the sealing block and the resin insulation shell are integrally arranged, the sealing block is positioned on the outer ring of the contact tongue, the insulator is internally provided with a sealing groove matched with the sealing block, and the sealing block is tightly attached to the sealing groove during installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322554260.0U CN220829906U (en) | 2023-09-20 | 2023-09-20 | Outdoor alternating current high-voltage closed isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322554260.0U CN220829906U (en) | 2023-09-20 | 2023-09-20 | Outdoor alternating current high-voltage closed isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220829906U true CN220829906U (en) | 2024-04-23 |
Family
ID=90726515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322554260.0U Active CN220829906U (en) | 2023-09-20 | 2023-09-20 | Outdoor alternating current high-voltage closed isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220829906U (en) |
-
2023
- 2023-09-20 CN CN202322554260.0U patent/CN220829906U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |