CN217214484U - Rotary high-voltage isolating switch - Google Patents
Rotary high-voltage isolating switch Download PDFInfo
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- CN217214484U CN217214484U CN202221060558.5U CN202221060558U CN217214484U CN 217214484 U CN217214484 U CN 217214484U CN 202221060558 U CN202221060558 U CN 202221060558U CN 217214484 U CN217214484 U CN 217214484U
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Abstract
The utility model relates to the technical field of power-on switches, in particular to a rotary high-voltage isolating switch; the base is provided with a rotating position, a first insulating mounting position and a second insulating mounting position, the rotating part of the connecting piece is rotatably connected with the rotating position, and the first connecting end and the second connecting end of the connecting piece can rotate along with the rotating part; the first contact assembly is fixed on the first insulating mounting position and is provided with a first contact; the second contact assembly is fixed on the second insulating mounting position and is provided with a second contact; the first connecting end and the second connecting end can be connected with and disconnected from the first contact and the second contact only by rotating the connecting piece; the limiting assembly is fixed on the base and located on a rotating path of the first connecting end and/or the second connecting end, limiting can be carried out through the limiting assembly, and therefore the connecting piece is effectively prevented from rotating under non-artificial control.
Description
Technical Field
The utility model belongs to the technical field of the circular telegram switch technique and specifically relates to a rotation type high voltage isolator is related to.
Background
The isolating switch is widely applied to a 10kV distribution network system as common electrical equipment, and the operational safety and the difficulty degree of the isolating switch have great significance on the operation of a power grid. The main function of the isolating switch is to ensure that the air gap reaches safety after the switch is opened
The full distance is required to ensure the safety of the maintainers and the equipment.
The prior patent with publication number CN114068224A discloses an isolating switch, which comprises an insulating pillar assembly, a contact assembly and a disconnecting link, wherein the contact assembly comprises a left contact and a right contact, the left contact comprises a first connecting part and a second connecting part, the disconnecting link comprises an accommodating chamber, and the first connecting part is attached to the inner side of the accommodating chamber through a first connecting protrusion; the second connecting portion is attached to the inner side of the accommodating chamber through the second connecting protrusion.
Although current isolator is protruding through setting up first connection, the second is connected protrudingly, make the frictional force that the switch received in the closure process crescent, the frictional force that receives at the pulling open in-process diminishes gradually, thereby make the switch can be pulled open completely, thereby can provide convenience for isolator's closure and disconnection, but this isolator's switch disconnection back, fall and contact under the action of gravity easily by oneself, lead to isolator to be closed under non-manual operation, there is certain potential safety hazard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned technique not enough, provide a rotation type high voltage isolator, the knife switch of solving isolator among the prior art falls by oneself easily after the disconnection, leads to isolator closed under non-manual operation, has the technical problem of certain potential safety hazard.
In order to achieve the above technical purpose, the technical scheme of the utility model provide a rotation type high voltage isolator, include:
the device comprises a base, a first insulating mounting position and a second insulating mounting position, wherein the base is provided with a rotating position, and the first insulating mounting position and the second insulating mounting position are positioned on two sides of the rotating position and are respectively positioned on the upper side surface and the lower side surface of the base;
the connecting piece comprises a rotating part, and a first connecting end and a second connecting end which are fixed on two sides of the rotating part, the rotating part is rotatably connected with the rotating part, the first connecting end is electrically connected with the second connecting end, and the first connecting end and the second connecting end can rotate along with the rotating part;
the first contact assembly is fixed on the first insulating installation position, a first contact is arranged on the first contact assembly, and the first contact is positioned on a rotating path of the first connection end;
the second contact assembly is fixed on the second insulating mounting position, a second contact is arranged on the second contact assembly, the second contact is positioned on a rotating path of the second connecting end, and when the first connecting end is connected with the first contact, the second connecting end is connected with the second contact;
and the limiting component is fixed on the base, positioned on the rotation path of the first connecting end and/or the second connecting end and used for limiting the first connecting end and/or the second connecting end.
Optionally, the rotating portion includes a rotating shaft, the rotating shaft is rotatably connected to the rotating position, and the first connecting end and the second connecting end are both fixed to the rotating shaft.
Optionally, a clamp spring is fixed at one end of the rotating shaft, and the clamp spring abuts against the rotating position to limit the axial direction of the rotating shaft.
Optionally, a first limiting protrusion is arranged on the surface of the snap spring, a first abutting column is fixed on the surface of the base, the first abutting column is located on one side, close to the first contact assembly, of the first limiting protrusion, when the first connecting end is connected with the first contact, the first limiting protrusion abuts against the end face of the first abutting column, and the first limiting protrusion is used for limiting rotation of the rotating shaft.
Optionally, a second limiting protrusion is further disposed on the surface of the clamp spring, a second abutting column is fixed on the surface of the base, the second abutting column is located on one side, close to the limiting assembly, of the second limiting protrusion, when the first connecting end and/or the second connecting end are limited and the limiting assembly is/are used, the second limiting protrusion abuts against the end face of the first abutting column, and the second limiting protrusion is used for limiting rotation of the rotating shaft.
Optionally, a handle is arranged at the end of the rotating shaft.
Optionally, the first connecting end and the second connecting end are both provided with three clamping assemblies, each clamping assembly comprises two opposite elastic clamping plates, each limiting assembly comprises three limiting posts corresponding to the three clamping assemblies, the three limiting posts are fixed on the upper surface of the base and located on rotation paths of the two elastic clamping plates of the first connecting end, and the two elastic clamping plates are used for limiting the first connecting end by clamping the limiting posts.
Optionally, the clamping assembly further comprises an adjusting rod and an adjusting nut, the adjusting rod penetrates through the two elastic clamping plates and is in sliding connection with the elastic clamping plates, one end of the adjusting rod abuts against the surface of one of the elastic clamping plates, the adjusting nut is in threaded connection with the other end of the adjusting rod, the adjusting nut can rotate to abut against the surface of the other elastic clamping plate, and therefore the distance between the two elastic clamping plates is adjusted and limited.
Optionally, the clamping assembly further comprises a locking nut, and the locking nut is in threaded connection with the adjusting rod and located on one side of the adjusting nut, and is used for locking the adjusting nut.
Optionally, the first contact assembly and the second contact assembly each include three insulating columns and three metal connection seats, the three insulating columns of the first contact assembly are fixed to the first insulating mounting position at intervals, the three insulating columns of the second contact assembly are fixed to the second insulating mounting position at intervals, each metal connection seat is respectively fixed to an end of each insulating column, and the first contact and the second contact are respectively arranged on each metal connection seat.
Compared with the prior art, the utility model provides a rotation type high voltage isolator's beneficial effect includes: the base is provided with a rotating position, a first insulating mounting position and a second insulating mounting position which are positioned on two sides of the rotating position, the rotating part of the connecting piece is rotatably connected with the rotating position, and the first connecting end and the second connecting end of the connecting piece can rotate along with the rotating part; the first contact assembly is fixed on the first insulating mounting position and is provided with a first contact which is positioned on a rotating path of the first connecting end; the second contact assembly is fixed on the second insulating mounting position and is provided with a second contact which is positioned on a rotating path of the second connecting end; the first connecting end and the second connecting end can be connected with and disconnected from the first contact and the second contact only by rotating the connecting piece, namely, the disconnecting switch is switched on and off; because the isolating switch is further provided with the limiting assembly, the limiting assembly is fixed on the base and is positioned on the rotating path of the first connecting end and/or the second connecting end, when the first connecting end and/or the second connecting end rotate to the limiting assembly, the limiting assembly can be used for limiting, the connecting piece is further effectively prevented from rotating under the condition of non-artificial control, and the safety of constructors is effectively guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a rotary high-voltage isolating switch provided in an embodiment of the present invention.
Fig. 2 is a schematic view of another angle structure of the rotary high-voltage isolating switch in fig. 1.
Wherein, in the figures, the respective reference numerals:
10-base 11-rotation position 12-first insulation mounting position
13-second insulating mounting location 14-first abutment post 15-second abutment post
20-connecting piece 21-rotating part 22-first connecting end
23-second terminal 24-clamping assembly 30-first contact assembly
31-first contact 32-insulating column 33-metal connecting seat
40-second contact assembly 41-second contact 50-spacing assembly
51-limiting column 211-rotating shaft 212-snap spring
241-elastic clamping plate 242-adjusting rod 243-adjusting nut
244-locking nut 2111-handle 2121-first limit protrusion
2122-second limit protrusion.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model provides a rotary high-voltage isolating switch, which comprises a base 10, a connecting piece 20, a first contact assembly 30, a second contact assembly 40 and a limiting assembly 50, wherein the base 10 is provided with a rotating position 11, and a first insulating installation position 12 and a second insulating installation position 13 which are positioned at two sides of the rotating position 11, and the first insulating installation position 12 and the second insulating installation position 13 are respectively positioned on the upper side surface and the lower side surface of the base 10; the connecting piece 20 comprises a rotating part 21, and a first connecting end 22 and a second connecting end 23 which are fixed on two sides of the rotating part 21, wherein the rotating part 21 is rotatably connected with the rotating part 11, the first connecting end 22 and the second connecting end 23 are electrically connected with the first connecting end 22 and the second connecting end 23, and the first connecting end 22 and the second connecting end 23 can rotate along with the rotating part 21; the first contact assembly 30 is fixed on the first insulation mounting position 12, a first contact 31 is arranged on the first contact assembly 30, and the first contact 31 is positioned on the rotating path of the first connection end 22; the second contact assembly 40 is fixed on the second insulating mounting position 13, a second contact 41 is arranged on the second contact assembly 40, the second contact 41 is positioned on the rotation path of the second connecting end 23, and the second connecting end 23 is connected with the second contact 41 when the first connecting end 22 is connected with the first contact 31; the limiting assembly 50 is fixed to the base 10 and located on a rotation path of the first connecting end 22 and/or the second connecting end 23 for limiting the first connecting end 22 and/or the second connecting end 23.
Specifically, by providing the base 10, the connecting member 20, the first contact assembly 30 and the second contact assembly 40, the base 10 is provided with the rotation position 11, and the first insulating mounting position 12 and the second insulating mounting position 13 which are positioned at two sides of the rotation position 11, the rotation portion 21 of the connecting member 20 is rotatably connected with the rotation position 11, and the first connection end 22 and the second connection end 23 of the connecting member 20 can rotate along with the rotation portion 21; the first contact assembly 30 is fixed on the first insulation mounting position 12 and is provided with a first contact 31, and the first contact 31 is positioned on the rotation path of the first connection end 22; the second contact assembly 40 is fixed on the second insulation mounting position 13 and is provided with a second contact 41, and the second contact 41 is positioned on the rotation path of the second connecting end 23; the first connecting end 22 and the second connecting end 23 can be connected with and disconnected from the first contact 31 and the second contact 41 only by rotating the rotating part 21, namely, the disconnecting switch is switched on and off; because the isolating switch is further provided with the limiting component 50, the limiting component 50 is fixed on the base 10 and is positioned on the rotating path of the first connecting end 22 and/or the second connecting end 23, when the first connecting end 22 and/or the second connecting end 23 rotate to the end, the limiting can be performed through the limiting, the connecting piece 20 is further effectively prevented from rotating under the condition of non-artificial control, and the safety of constructors is effectively guaranteed.
In this embodiment, the number of the first contacts 31 and the number of the second contacts 41 are three, the three first contacts 31 and the three second contacts 41 are connected to the live line of the three-phase alternating current, and the first connection end 22 and the second connection end 23 can be simultaneously connected to the three first contacts 31 and the three second contacts 41 by the rotation of the rotation portion 21.
In this embodiment, the first connection end 22 and the second connection end 23 are two ends of a metal connection member 20, and an insulating sleeve is sleeved on the surface of the metal connection member 20.
It is understood that the position limiting assembly 50 can limit the position of the first connecting end 22 and/or the second connecting end 23 by clamping, clipping, etc.
Optionally, the rotating portion 21 includes a rotating shaft 211, and the rotating shaft 211 is rotatably connected to the rotating portion 11, and the first connecting end 22 and the second connecting end 23 are fixed on the rotating shaft 211. Specifically, the rotating shaft 211 is arranged to realize stable rotation of the rotating end around the rotating position 11, so as to facilitate connection and disconnection of the first connecting end 22 and the second connecting end 23 with the first contact 31 and the second contact 41.
Optionally, a clamp spring 212 is fixed at one end of the rotating shaft 211, and the clamp spring 212 abuts against the rotating position 11 to limit the axial direction of the rotating shaft 211. Specifically, the circlip 212 can effectively prevent the rotating shaft 211 from moving axially, so that the first connection end 22 and the second connection end 23 can be accurately abutted with the first contact 31 and the second contact 41.
Optionally, a first limiting protrusion 2121 is disposed on the surface of the circlip 212, and a first abutting column 14 is fixed on the surface of the base 10, and when the first limiting protrusion 2121 is located on one side of the first limiting protrusion 2121 close to the first contact assembly 30 and the first connection end 22 is connected to the first contact 31, the first limiting protrusion 2121 abuts against an end surface of the first abutting column 14 to limit the rotation of the rotating shaft 211. Specifically, the abutting arrangement of the first limiting protrusion 2121 and the first abutting column 14 has a certain positioning function, and when the first connection end 22 and the first contact 31, and the second connection end 23 and the second contact 41 are closed, only the rotating shaft 211 needs to be rotated with a large force and a large speed, so that the first limiting protrusion 2121 abuts against the end surface of the first abutting column 14, and accurate abutting of the first connection end 22 and the first contact 31, and the second connection end 23 and the second contact 41 can be realized, thereby providing convenience for closing the disconnecting switch.
Optionally, a second limiting protrusion 2122 is further disposed on the surface of the circlip 212, and a second abutting column 15 is fixed on the surface of the base 10, and when the second limiting protrusion 15 is located at one side of the second limiting protrusion 2122 close to the limiting component 50, the first connecting end 22 and/or the second connecting end 23 limit and limit the limiting component 50, the second limiting protrusion 2122 abuts against the end surface of the first abutting column 14 to limit the rotation of the rotating shaft 211, where the second limiting protrusion 2122 abuts against the end surface of the first abutting column 14. Specifically, the butt setting of second spacing arch 2122 and second butt joint post 15 has certain locate function to the spacing of connecting piece 20, and when the direction of court rotated the connection, only need rotate pivot 211 with great strength and speed, make the spacing arch 2122 butt of second in the terminal surface of second butt joint post 15, can realize coupling assembling and accurate butt joint, provide convenience for isolator's closed work.
Optionally, a handle 2111 is provided at the end of the shaft 211. Specifically, the handle 2111 may be conveniently held by an operator to facilitate controlling the rotation of the rotating shaft 211.
Optionally, the first connection end 22 and the second connection end 23 are both provided with three clamping assemblies 24, each clamping assembly 24 includes two opposite elastic clamping plates 241 and includes limiting posts 51 corresponding to the three clamping assemblies 24, each limiting post 51 is fixed on the upper surface of the base 10 and located on a rotation path of the two elastic clamping plates 241 of the first connection end 22, and the two elastic clamping plates 241 are configured to limit the first connection end 22 by clamping the limiting posts 51. Specifically, the two elastic clamping plates 241 can clamp the limiting column 51 through the rotation of the rotating shaft 211 around the rotating position 11, and the limiting of the limiting unit on the connecting piece 20 can be effectively realized through the clamping action of the two elastic clamping plates 241 on the limiting column 51.
In this embodiment, the two elastic clamping plates 241 are connected to the first contact 31 and the second contact 41 by clamping the first contact 31 and the second contact 41.
Optionally, the clamping assembly 24 further includes an adjusting rod 242 and an adjusting nut 243, one end of the adjusting rod 242, which penetrates through the two elastic clamping plates 241 and is slidably connected with the elastic clamping plates 241, abuts against a surface of one of the elastic clamping plates 241, and the other end of the adjusting nut 243, which is screwed on the adjusting rod 242, abuts against a surface of the other elastic clamping plate 241 through rotation, so as to adjust and limit the distance between the two elastic clamping plates 241.
Specifically, by rotating the adjusting nut 243, the two elastic clamping plates 241 are close to or far away from each other under the pressure action of the end portions of the adjusting nut 243 and the adjusting rod 242, the elastic clamping plates 241 are easily worn under the long-term opening and closing action of the first contact 31 and the second contact 41, the distance between the two elastic clamping plates 241 can be adjusted again through the adjusting action of the adjusting rod 242 and the adjusting nut 243, and the two elastic clamping plates 241 are suitable for clamping the worn first contact 31 and the worn second contact 41; when the two elastic clamping plates 241 clamp the limiting column 51, the distance between the two elastic clamping plates 241 can be properly reduced, and the clamping force of the two elastic clamping plates 241 is improved.
Optionally, the clamping assembly 24 further comprises a locking nut 244, the locking nut 244 is threadedly coupled to the adjustment rod 242 and is located on one side of the adjustment nut 243 for locking the adjustment nut 243. Specifically, the locking nut 244 can lock the adjusting nut 243 to prevent the adjusting nut 243 from loosening.
Optionally, each of the first contact assembly 30 and the second contact assembly 40 includes three insulating columns 32 and three metal connecting bases 33, and the three insulating columns 32 of the first contact assembly 30 are fixed to the first insulating mounting positions 12 at intervals
The three insulating columns 32 of the upper second contact assembly 40 are fixed on the second insulating mounting position 13 at intervals, and the first contact 31 and the second contact 41 which are fixed on the end parts of the insulating columns 32 respectively are arranged on the metal connecting seats 33 respectively 33 of the metal connecting seats 33. Particularly, the three live wires of the three-phase circuit can be conveniently connected with the connecting seat 33 through the arrangement of the three insulating columns 32 and the three metal connecting seats 33, and the stability of the isolating switch is guaranteed.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A rotary high voltage isolator switch, comprising:
the device comprises a base, a first insulating mounting position and a second insulating mounting position, wherein the base is provided with a rotating position, and the first insulating mounting position and the second insulating mounting position are positioned on two sides of the rotating position and are respectively positioned on the upper side surface and the lower side surface of the base;
the connecting piece comprises a rotating part, and a first connecting end and a second connecting end which are fixed on two sides of the rotating part, the rotating part is rotatably connected with the rotating part, the first connecting end is electrically connected with the second connecting end, and the first connecting end and the second connecting end can rotate along with the rotating part;
the first contact assembly is fixed on the first insulating mounting position, a first contact is arranged on the first contact assembly, and the first contact is positioned on a rotating path of the first connecting end;
the second contact assembly is fixed on the second insulating mounting position, a second contact is arranged on the second contact assembly, the second contact is positioned on a rotating path of the second connecting end, and when the first connecting end is connected with the first contact, the second connecting end is connected with the second contact;
and the limiting assembly is fixed on the base, is positioned on the rotating path of the first connecting end and/or the second connecting end, and is used for limiting the first connecting end and/or the second connecting end.
2. The rotating high-voltage isolating switch according to claim 1, wherein the rotating portion comprises a rotating shaft, the rotating shaft is rotatably connected to the rotating portion, and the first connecting end and the second connecting end are fixed to the rotating shaft.
3. The rotary high-voltage isolating switch according to claim 2, wherein a snap spring is fixed at one end of the rotating shaft, and the snap spring abuts against the rotating position to limit the axial direction of the rotating shaft.
4. The rotary high-voltage isolating switch according to claim 3, wherein a first limiting protrusion is disposed on a surface of the clamp spring, a first abutting column is fixed on a surface of the base, the first abutting column is located on a side of the first limiting protrusion close to the first contact assembly, when the first connecting end is connected with the first contact, the first limiting protrusion abuts against an end surface of the first abutting column, and the first limiting protrusion is used for limiting rotation of the rotating shaft.
5. The rotary high-voltage isolating switch according to claim 3, wherein a second limiting protrusion is further disposed on a surface of the clamp spring, a second abutting column is fixed on a surface of the base, the second abutting column is located on a side of the second limiting protrusion close to the limiting component, when the first connecting end and/or the second connecting end limit with the limiting component, the second limiting protrusion abuts against an end surface of the second abutting column, and the second limiting protrusion is used for limiting rotation of the rotating shaft.
6. The rotary high voltage isolator according to claim 3, wherein a handle is provided at an end of said shaft.
7. The rotary high-voltage isolating switch according to any one of claims 1 to 6, wherein the first connecting end and the second connecting end are each provided with three clamping assemblies, each clamping assembly comprises two opposite elastic clamping plates, each limiting assembly comprises a limiting post corresponding to the three clamping assemblies, each limiting post is fixed on the upper surface of the base and located on a rotation path of the two elastic clamping plates of the first connecting end, and the two elastic clamping plates are used for limiting the first connecting end by clamping the limiting post.
8. The rotating high-voltage isolating switch according to claim 7, wherein the clamping assembly further comprises an adjusting rod and an adjusting nut, the adjusting rod passes through and is slidably connected with the two elastic clamping plates, one end of the adjusting rod abuts against a surface of one of the elastic clamping plates, the adjusting nut is screwed to the other end of the adjusting rod, and the adjusting nut can abut against a surface of the other elastic clamping plate by rotating so as to adjust and limit the distance between the two elastic clamping plates.
9. The rotary high voltage isolator according to claim 8, wherein said clamping assembly further comprises a locking nut threadedly coupled to said adjusting rod and located at one side of said adjusting nut for locking said adjusting nut.
10. The rotary high voltage isolator according to any one of claims 1 to 6, wherein each of said first contact assembly and said second contact assembly comprises three insulating posts and three metal connecting seats, said three insulating posts of said first contact assembly are fixed to said first insulating mounting position at intervals, said three insulating posts of said second contact assembly are fixed to said second insulating mounting position at intervals, each of said metal connecting seats is fixed to an end of each of said insulating posts, and said first contact and said second contact are arranged on each of said metal connecting seats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221060558.5U CN217214484U (en) | 2022-04-29 | 2022-04-29 | Rotary high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221060558.5U CN217214484U (en) | 2022-04-29 | 2022-04-29 | Rotary high-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217214484U true CN217214484U (en) | 2022-08-16 |
Family
ID=82778665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221060558.5U Active CN217214484U (en) | 2022-04-29 | 2022-04-29 | Rotary high-voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217214484U (en) |
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2022
- 2022-04-29 CN CN202221060558.5U patent/CN217214484U/en active Active
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