CN209981084U - 33kV three-phase combined isolating switch - Google Patents
33kV three-phase combined isolating switch Download PDFInfo
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- CN209981084U CN209981084U CN201920770385.8U CN201920770385U CN209981084U CN 209981084 U CN209981084 U CN 209981084U CN 201920770385 U CN201920770385 U CN 201920770385U CN 209981084 U CN209981084 U CN 209981084U
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- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 33
- 239000012212 insulator Substances 0.000 claims abstract description 26
- 230000006835 compression Effects 0.000 claims description 16
- 238000007906 compression Methods 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a 33kV three-phase combined isolating switch, which comprises a first fixed cross beam, bolt holes, fixed longitudinal beams, fixed blocks, an insulating porcelain bottle sleeve, a second fixed cross beam, fixed contacts and fixed components, wherein the two ends of the first fixed cross beam are both fixed with the fixed longitudinal beams through screws, a plurality of bolt holes are arranged at the top parts of the fixed longitudinal beams, the two sides of the center part of each fixed longitudinal beam are both fixed with the second fixed cross beam through screws, the second fixed cross beam is positioned at one side of the first fixed cross beam, the centers of the first fixed cross beam and the second fixed cross beam are both provided with the insulating porcelain bottle sleeve, the top part of the insulating porcelain bottle sleeve is provided with the fixed contacts, the 33kV three-phase combined isolating switch has simple structure and convenient operation, abandons the traditional screw fixing mode, adopts clamping and fixing, is firmer, is convenient to install and disassemble, and greatly reduces the labor intensity when, time saving and manpower, convenience of customers maintain and change the insulating porcelain insulator sleeve.
Description
Technical Field
The utility model relates to an isolator technical field specifically is 33kV three-phase combination formula isolator.
Background
The isolating switch is an important switching device in an electric system of a power plant and a transformer substation and needs to be matched with a high-voltage circuit breaker for use; the isolating switch is used for switching on, cutting off or converting a line under the condition that the high-voltage equipment has voltage and is under load; the safety of the high-voltage electrical appliance and the device during maintenance work is ensured, and the function of isolating voltage is realized; the traditional isolating switch is fixed by screws, the screws need to be punched, time and labor are wasted, the labor intensity of workers is greatly increased, the isolating switch is troublesome to mount and dismount, the maintaining and replacing of the isolating switch are not facilitated, no protective measures are provided, the isolating switch is easily damaged due to external impact, and the service life of the isolating switch is shortened; in view of these drawbacks, it is necessary to design a 33kV three-phase combined disconnector.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 33kV three-phase combination formula isolator to solve the problem that proposes in the above-mentioned background art.
In order to solve the technical problem, the utility model provides a following technical scheme: the 33kV three-phase combined type isolating switch comprises a first fixed cross beam, bolt holes, fixed longitudinal beams, fixed blocks, an insulating porcelain insulator sleeve, a second fixed cross beam, a fixed contact and a fixed assembly, wherein the fixed longitudinal beams are fixed at two ends of the first fixed cross beam through screws, a plurality of bolt holes are formed in the top of each fixed longitudinal beam, the second fixed cross beam is fixed on two sides of the center of each fixed longitudinal beam through screws, the second fixed cross beam is located on one side of the first fixed cross beam, the insulating porcelain insulator sleeves are arranged at the centers of the first fixed cross beam and the second fixed cross beam, the fixed contact is arranged at the top of the insulating porcelain insulator sleeve, the fixed blocks are welded at the center of the insulating porcelain insulator sleeve and located at the centers of the first fixed cross beam and the second fixed cross beam, the fixed assemblies are mounted at two ends of the fixed blocks, and each fixed assembly is composed of a first semicircular clamping, The movable plate comprises a fixed plate, a movable plate, a threaded hole, a nut sleeve, a threaded column, a baffle disc, a first spring sleeve, a first sleeve, a second sleeve, a compression spring, a second spring sleeve, an insulating clamp plate and an insulating sleeve, wherein the bottoms of the two ends of the fixed plate are respectively fixed with the fixed plate through screws, one side of the fixed plate is fixedly provided with a first semicircular clamping plate through screws, the first semicircular clamping plate is positioned at the bottoms of a first fixed cross beam and a second fixed cross beam, the center of the top of the fixed plate is welded with the threaded column, the top of the threaded column is sleeved with the movable plate, the movable plate is positioned at one side of the fixed plate, the center of the movable plate is provided with a threaded hole, the threaded hole is sleeved outside the center of the threaded column, the top of the threaded column is sleeved with the nut sleeve, the nut sleeve is positioned at the top of the movable plate, the top of the threaded column is, and the second semicircle cardboard is located first fixed cross beam and second fixed cross beam top, first semicircle cardboard top and second semicircle cardboard bottom all have first spring housing through the screw fixation, first spring housing bottom has first sleeve pipe through the screw fixation, first sleeve pipe bottom has cup jointed the second sleeve pipe, second sleeve pipe bottom has the second spring housing through the screw fixation, first sleeve pipe and second sleeve pipe outside cup joint compression spring, second spring housing bottom has insulating splint through the screw fixation, insulating splint inside has cup jointed insulating cover, and insulating cover cup joints in first fixed cross beam and the second fixed cross beam outside.
Furthermore, a fixing bolt is sleeved inside the bolt hole and connected with the top of the telegraph pole.
Furthermore, a plurality of composite umbrella groups are arranged on the outer side of the insulating porcelain insulator sleeve, and a moving contact is arranged at the bottom of the insulating porcelain insulator sleeve.
Furthermore, a spring groove is formed in the center of the first spring sleeve and the center of the second spring sleeve, and the spring groove is sleeved on the outer side of the compression spring.
Furthermore, insulating protective sleeves are sleeved at two ends of each fixed longitudinal beam, and dustproof thin films are laid on the surfaces of the fixed longitudinal beams.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is: this 33kV three-phase combination formula isolator simple structure, high durability and convenient operation, utilize to twist and move the nut cover, make first semicircle cardboard and the tight first fixed cross beam of second semicircle cardboard clamp and the tight first fixed cross beam of second fixed cross beam outside, reach fixed insulating porcelain insulator cover effect, abandon traditional screw fixation mode, adopt and press from both sides tightly fixed, it is fixed more firm, and the installation is dismantled conveniently, intensity of labour when reducing the user installation greatly, save time and manpower, convenience of customers maintains and changes insulating porcelain insulator cover simultaneously, and when external striking insulating porcelain insulator cover, compression spring offsets the impact through elasticity, avoid insulating porcelain insulator cover to receive the striking damage, extension insulating porcelain insulator cover life.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a top view of the overall structure of the present invention;
FIG. 3 is a schematic view of the structure of the porcelain insulator sleeve of the present invention;
fig. 4 is a schematic structural view of the fixing assembly of the present invention;
FIG. 5 is an enlarged view of a second semi-circular clamping plate of the present invention;
in the figure: 1. a first fixed cross member; 2. bolt holes; 3. fixing the longitudinal beam; 4. a fixed block; 5. an insulating porcelain bottle sleeve; 6. a second fixed cross member; 7. static contact; 8. a fixing assembly; 9. a first semicircular clamping plate; 10. a second semicircular clamping plate; 11. a fixing plate; 12. moving the plate; 13. a threaded hole; 14. a nut sleeve; 15. a threaded post; 16. a catch tray; 17. a first spring housing; 18. A first sleeve; 19. a second sleeve; 20. a compression spring; 21. a second spring housing; 22. an insulating clamping plate; 23. and an insulating sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a33 kV three-phase combined isolating switch comprises a first fixed cross beam 1, bolt holes 2, fixed longitudinal beams 3, fixed blocks 4, insulating porcelain insulator sleeves 5, a second fixed cross beam 6, fixed contacts 7 and a fixed assembly 8, wherein the fixed longitudinal beams 3 are fixed at two ends of the first fixed cross beam 1 through screws, insulating protective sleeves are sleeved at two ends of each fixed longitudinal beam 3, a dustproof thin film is paved on the surface of each fixed longitudinal beam 3 to protect the fixed longitudinal beams 3, a plurality of bolt holes 2 are formed in the tops of the fixed longitudinal beams 3, fixing bolts are sleeved in the bolt holes 2 and connected with the tops of telegraph poles to facilitate fixing of the fixed longitudinal beams 3, the second fixed cross beams 6 are fixed at two sides of the center of each fixed longitudinal beam 3 through screws, the second fixed cross beams 6 are located on one side of the first fixed cross beam 1, the insulating porcelain insulator sleeves 5 are arranged at the centers of the first fixed cross beam 1 and the second fixed cross, the outer side of the insulating porcelain insulator sleeve 5 is provided with a plurality of compound umbrella groups, the bottom of the insulating porcelain insulator sleeve 5 is provided with a movable contact, the use of the insulating porcelain insulator sleeve 5 is facilitated, the top of the insulating porcelain insulator sleeve 5 is provided with a fixed contact 7, the center of the insulating porcelain insulator sleeve 5 is welded with a fixed block 4, the fixed block 4 is positioned at the centers of a first fixed cross beam 1 and a second fixed cross beam 6, two ends of the fixed block 4 are respectively provided with a fixed assembly 8, the fixed assembly 8 consists of a first semicircular clamping plate 9, a second semicircular clamping plate 10, a fixed plate 11, a movable plate 12, a threaded hole 13, a nut sleeve 14, a threaded column 15, a baffle plate 16, a first spring sleeve 17, a first sleeve 18, a second sleeve 19, a compression spring 20, a second spring sleeve 21, an insulating clamping plate 22 and an insulating sleeve 23, the bottoms of two ends of the fixed block 4 are respectively fixed with the fixed plates 11 through screws, the first semicircular clamping plate 9 is positioned at the bottom of the first fixed cross beam 1 and the second fixed cross beam 6, the threaded column 15 is welded at the center of the top of the fixed plate 11, the movable plate 12 is sleeved at the top of the threaded column 15, the movable plate 12 is positioned at one side of the fixed block 4, the threaded hole 13 is formed in the center of the movable plate 12, the threaded hole 13 is sleeved outside the center of the threaded column 15, the nut sleeve 14 is sleeved at the top of the threaded column 15, the nut sleeve 14 is positioned at the top of the movable plate 12, the blocking disc 16 is welded at the top of the threaded column 15, the blocking disc 16 is positioned at the top of the nut sleeve 14, the second semicircular clamping plate 10 is fixed at one side of the movable plate 12 through screws, the second semicircular clamping plate 10 is positioned at the top of the first fixed cross beam 1 and the second fixed cross beam 6, the first spring sleeve 17 is fixed at the top of the first semicircular clamping plate 9 and the bottom of the second semicircular clamping plate, the bottom of the first sleeve 18 is sleeved with a second sleeve 19, the bottom of the second sleeve 19 is fixed with a second spring sleeve 21 through screws, the outer sides of the first sleeve 18 and the second sleeve 19 are sleeved with a compression spring 20, the centers of the first spring sleeve 17 and the second spring sleeve 21 are provided with spring grooves, the spring grooves are sleeved on the outer sides of the compression spring 20 to facilitate the fixation of the compression spring 20, the bottom of the second spring sleeve 21 is fixed with an insulating splint 22 through screws, the insulating splint 22 is sleeved with an insulating sleeve 23, and the insulating sleeve 23 is sleeved on the outer sides of the first fixed cross beam 1 and the second fixed cross beam 6; when the 33kV three-phase combined isolating switch is used, the first semicircular clamping plate 9 and the second semicircular clamping plate 10 on two sides of the insulating porcelain insulator sleeve 5 are respectively sleeved on the outer sides of the first fixed cross beam 1 and the second fixed cross beam 6 by manpower, the nut sleeve 14 is rotated clockwise, the nut sleeve 14 moves downwards to extrude the movable plate 12, the movable plate 12 drives the second semicircular clamping plate 10 to move downwards until the first semicircular clamping plate 9 and the second semicircular clamping plate 10 clamp the outer sides of the first fixed cross beam 1 and the second fixed cross beam 6, at the moment, the second semicircular clamping plate 10 extrudes the compression spring 20, the compression spring 20 extrudes the insulating clamping plate 22, the insulating clamping plate 22 clamps the outer sides of the first fixed cross beam 1 and the second fixed cross beam 6 to finish fixing, then a lead and a static contact 7 of the insulating porcelain insulator sleeve 5 are connected with a moving contact at the bottom of the insulating porcelain insulator sleeve 5, the other end of the lead is connected with a knife switch, the three-phase combined, the insulator 5 vibrates to extrude the compression spring 20, and the compression spring 20 counteracts the impact force through elasticity to protect the insulator 5.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1.33kV three-phase combination formula isolator, including first fixed cross beam (1), bolt hole (2), fixed longeron (3), fixed block (4), insulator porcelain bottle cover (5), second fixed cross beam (6), static contact (7) and fixed subassembly (8), its characterized in that: the fixing device is characterized in that fixed longitudinal beams (3) are fixed at two ends of a first fixed cross beam (1) through screws, a plurality of bolt holes (2) are formed in the top of the fixed longitudinal beams (3), second fixed cross beams (6) are fixed at two sides of the center of each fixed longitudinal beam (3) through screws, the second fixed cross beams (6) are located on one side of the first fixed cross beam (1), insulating porcelain bottle sleeves (5) are arranged at the centers of the first fixed cross beam (1) and the second fixed cross beams (6), static contacts (7) are arranged at the tops of the insulating porcelain bottle sleeves (5), fixed blocks (4) are welded at the centers of the insulating porcelain bottle sleeves (5), the fixed blocks (4) are located at the centers of the first fixed cross beam (1) and the second fixed cross beams (6), fixed assemblies (8) are mounted at two ends of the fixed blocks (4), and the fixed assemblies (8) are formed by first semicircular clamping plates (9), The movable plate comprises a second semicircular clamping plate (10), a fixed plate (11), a movable plate (12), a threaded hole (13), a nut sleeve (14), a threaded column (15), a blocking disc (16), a first spring sleeve (17), a first sleeve (18), a second sleeve (19), a compression spring (20), a second spring sleeve (21), an insulating clamping plate (22) and an insulating sleeve (23), wherein the fixed plate (11) is fixed at the bottoms of the two ends of the fixed plate (4) through screws, a first semicircular clamping plate (9) is fixed on one side of the fixed plate (11) through screws, the first semicircular clamping plate (9) is positioned at the bottoms of a first fixed cross beam (1) and a second fixed cross beam (6), the threaded movable plate (15) is welded at the center of the top of the fixed plate (11), the top of the threaded column (15) is sleeved with the movable plate (12), and the movable plate (12) is positioned on one side of the, the movable plate is characterized in that a threaded hole (13) is formed in the center of the movable plate (12), the threaded hole (13) is sleeved on the outer side of the center of a threaded column (15), a nut sleeve (14) is sleeved on the top of the threaded column (15), the nut sleeve (14) is located on the top of the movable plate (12), a blocking disc (16) is welded on the top of the threaded column (15), the blocking disc (16) is located on the top of the nut sleeve (14), a second semicircular clamping plate (10) is fixed on one side of the movable plate (12) through screws, the second semicircular clamping plate (10) is located on the tops of a first fixed cross beam (1) and a second fixed cross beam (6), first spring sleeves (17) are fixed on the tops of the first semicircular clamping plate (9) and the bottom of the second semicircular clamping plate (10) through screws, first sleeves (18) are fixed on the bottoms of the first spring sleeves (17) through screws, and second sleeves (19) are sleeved on the bottoms of the first, the improved structure is characterized in that a second spring sleeve (21) is fixed at the bottom of the second sleeve (19) through screws, a compression spring (20) is sleeved on the outer sides of the first sleeve (18) and the second sleeve (19), an insulating clamping plate (22) is fixed at the bottom of the second spring sleeve (21) through screws, an insulating sleeve (23) is sleeved inside the insulating clamping plate (22), and the insulating sleeve (23) is sleeved on the outer sides of the first fixed cross beam (1) and the second fixed cross beam (6).
2. The 33kV three-phase combined disconnecting switch according to claim 1, characterized in that: and a fixing bolt is sleeved in the bolt hole (2) and is connected with the top of the telegraph pole.
3. The 33kV three-phase combined disconnecting switch according to claim 1, characterized in that: the outer side of the insulating porcelain bottle sleeve (5) is provided with a plurality of composite umbrella groups, and the bottom of the insulating porcelain bottle sleeve (5) is provided with a moving contact.
4. The 33kV three-phase combined disconnecting switch according to claim 1, characterized in that: spring grooves are formed in the centers of the first spring sleeve (17) and the second spring sleeve (21) and are sleeved on the outer side of the compression spring (20).
5. The 33kV three-phase combined disconnecting switch according to claim 1, characterized in that: insulating protective sleeves are sleeved at two ends of the fixed longitudinal beam (3), and a dustproof thin film is laid on the surface of the fixed longitudinal beam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920770385.8U CN209981084U (en) | 2019-05-27 | 2019-05-27 | 33kV three-phase combined isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920770385.8U CN209981084U (en) | 2019-05-27 | 2019-05-27 | 33kV three-phase combined isolating switch |
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| Publication Number | Publication Date |
|---|---|
| CN209981084U true CN209981084U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920770385.8U Active CN209981084U (en) | 2019-05-27 | 2019-05-27 | 33kV three-phase combined isolating switch |
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| Country | Link |
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| CN (1) | CN209981084U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111725020A (en) * | 2020-06-29 | 2020-09-29 | 浙江福祥瑞特电气有限公司 | Novel high-voltage isolating switch |
-
2019
- 2019-05-27 CN CN201920770385.8U patent/CN209981084U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111725020A (en) * | 2020-06-29 | 2020-09-29 | 浙江福祥瑞特电气有限公司 | Novel high-voltage isolating switch |
| CN111725020B (en) * | 2020-06-29 | 2023-04-07 | 浙江福祥瑞特电气有限公司 | High-voltage isolating switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: 33kV three-phase combination isolation switch Effective date of registration: 20231128 Granted publication date: 20200121 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Lishui Branch Pledgor: ZHEJIANG RUILI ELECTRIC Co.,Ltd. Registration number: Y2023980067787 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |