CN211480730U - Isolating switch of gas-filled switch cabinet - Google Patents
Isolating switch of gas-filled switch cabinet Download PDFInfo
- Publication number
- CN211480730U CN211480730U CN201922388597.2U CN201922388597U CN211480730U CN 211480730 U CN211480730 U CN 211480730U CN 201922388597 U CN201922388597 U CN 201922388597U CN 211480730 U CN211480730 U CN 211480730U
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- fixed
- cabinet
- drive shaft
- driving shaft
- isolating
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052802 copper Inorganic materials 0.000 claims abstract description 27
- 239000010949 copper Substances 0.000 claims abstract description 27
- 238000002955 isolation Methods 0.000 claims abstract description 20
- 239000012212 insulator Substances 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 239000011810 insulating material Substances 0.000 claims abstract description 4
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 description 4
- 230000000977 initiatory effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model relates to an isolator of inflatable switch cabinet, including the drive shaft that adopts insulating material preparation, drive shaft one end is passed through the bearing and is installed on the cabinet body, the drive shaft other end passes through transmission and is connected with isolation mechanism, install three group interval distribution's isolation knife tackle spare in the drive shaft, the drive shaft front side is equipped with the three combined floodgate touch multitouch that corresponds with isolation knife tackle spare, the combined floodgate touch multitouch passes through first insulation and fixes on the cabinet body, the drive shaft rear side is equipped with the three wiring copper bar that corresponds with isolation knife tackle spare, three isolation knife tackle spare is connected with the wiring copper bar that corresponds through the flexible coupling respectively, the wiring copper bar passes through the second insulator and fixes on the cabinet body, the drive shaft downside is equipped with the three grounding sword with isolation knife tackle spare. The utility model discloses overall arrangement is compact reasonable, and the action is unanimous during the operation, has promoted holistic insulating properties as insulating support with the insulator to it is favorable to aerifing the miniaturization of cabinet to have small advantage.
Description
Technical Field
The utility model relates to an isolator field, concretely relates to aerify cubical switchboard's isolator.
Background
The isolating switch is widely used in a power grid as an electrically-opened isolating device. The isolating switch has no special arc extinguisher, so that it can cut off load current and short-circuit current, and has electrodynamic stability and thermal stability, and can prevent the contact from being automatically separated or burnt out due to the passage of short-circuit current. With the development of power grids, the manufacturing level and the operation level of various main devices are improved, the power grids have high requirements on the reliability of the operation of the devices, and the problem of the improvement of isolating switches is solved on schedule.
In recent years, the power grid is developed at a high speed, the structure of the power grid is changed greatly, substation equipment runs at a load close to full load, system power failure can be caused when abnormal operation equipment occurs, and the influence range is large, so that the problems of design selection, manufacturing and installation and the like of the isolating switch are emphasized in various aspects.
The three-station isolating switch in the prior art is basically composed of a wiring copper bar end, an outgoing line connecting end, a grounding end and a disconnecting link, and the disconnection of a power distribution system is realized by adjusting the position of the disconnecting link; the disconnecting link is usually driven to move by a mechanical arm, the opening and closing resistance of the disconnecting link is large, the smoothness of the movement of the disconnecting link is influenced, and the phenomenon of jamming occurs; the three-station disconnecting switch has asynchronous movement, so that the electrified phase loss is caused; the volume is large, the miniaturization of the inflatable cabinet is not facilitated, and the development trend of the power grid industry cannot be adapted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a whole layout is compact reasonable, and the action is smooth unanimous, and insulating properties is good to have small advantage and be favorable to aerifing miniaturized of cabinet isolator for the cabinet.
In order to solve the problems in the prior art, the utility model provides an isolating switch of an inflatable switch cabinet, which comprises a driving shaft made of insulating materials, one end of the driving shaft is arranged on the cabinet body through a bearing, the other end of the driving shaft is connected with the isolation mechanism through a transmission device, three groups of isolating knife assemblies which are distributed at intervals are arranged on the driving shaft, three closing contact seats corresponding to the isolating knife assemblies are arranged on the front side of the driving shaft, the closing contact seat is fixed on the cabinet body through a first insulator, three wiring copper bars corresponding to the isolation knife assemblies are arranged at the rear side of the driving shaft, the three isolation knife assemblies are respectively connected with the corresponding wiring copper bars through flexible connections, the wiring copper bar is fixed on the cabinet body through a second insulator, the lower side of the driving shaft is provided with three grounding knives with the isolation knife assembly, and the grounding knives are fixed on the cabinet body through the grounding copper bar.
Further, the utility model relates to an aerify isolator of cubical switchboard, wherein, keep apart the knife tackle spare and include blade holder and cutting board, the blade holder is fixed in the drive shaft, the cutting board parallel fixation is on the blade holder.
Further, the utility model relates to an aerify isolator of cubical switchboard, wherein, the one end of flexible coupling is fixed on the blade holder through first preforming through turning over book formation U-shaped, and the flexible coupling other end passes through the second preforming and fixes on the wiring copper bar.
Further, the utility model relates to an aerify isolator of cubical switchboard, wherein, wiring copper bar lower extreme extends forward and forms the extension, and the extension passes through the third insulator to be fixed on the cabinet body.
Further, the utility model relates to an aerify isolator of cubical switchboard, wherein, the combined floodgate touches the seat and includes the connecting plate, and the vertical fixation has the combined floodgate contact on the connecting plate.
Further, the utility model relates to an aerify isolator of cubical switchboard, wherein, first insulator is equipped with two.
Further, the utility model relates to an aerify isolator of cubical switchboard, wherein, transmission includes flange cover and switching axle, the flange cover is fixed on the cabinet body, the switching axle is established in the flange cover, the switching axle is equipped with the spliced eye for one side of drive shaft, the drive shaft passes through the spliced eye and pegs graft in the switching axle, be equipped with the bayonet joint on the switching axle, the switching axle passes through the bayonet joint and fixes on isolation mechanism.
Further, the utility model relates to an aerify isolator of cubical switchboard, wherein, the drive shaft is the hexagonal axle construction, be equipped with the hexagonal hole that matches with the drive shaft on the blade holder, the blade holder cover is established in the drive shaft, and the drive shaft is equipped with spacing round pin axle in the both sides of blade holder.
Further, the utility model relates to an aerify isolator of cubical switchboard, wherein, the ground copper bar is fixed in the backup pad.
Further, the utility model relates to an aerify isolator of cubical switchboard, wherein, the combined floodgate initiating terminal of combined floodgate contact is fin shape, the ground connection initiating terminal of earthing switch is fin shape.
The utility model relates to an aerify cubical switchboard's isolator compares with prior art, has following advantage:
1. the three isolating knife components in the utility model are arranged on the driving rotating shaft, and the front side and the lower side of the driving shaft are provided with a closing contact seat and a grounding knife which are matched with the three isolating knives; the whole layout is compact and reasonable, the actions are consistent, the whole volume of the isolating switch is reduced, and the miniaturization of the gas-filled cabinet is facilitated;
2. the closing contact seat and the wiring copper bar in the utility model are fixed on the cabinet body by the insulator, so that the whole insulation performance is stably improved;
3. the utility model discloses a flexible coupling is connected isolation knife tackle spare and wiring copper bar to reduce the resistance of isolator divide-shut brake, made the isolator action more smooth, consequently the phenomenon of combined floodgate not in place and the bite can not appear.
The isolating switch of the gas-filled switch cabinet of the present invention will be further described in detail with reference to the specific embodiments shown in the drawings.
Drawings
Fig. 1 is a perspective view of an isolating switch of an inflatable switch cabinet according to the present invention;
fig. 2 is a schematic side view of the isolating switch of the gas-filled switchgear of the present invention;
FIG. 3 is a schematic sectional view of the driving shaft of the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
fig. 5 is a schematic structural view of a closing contact seat of the present invention;
fig. 6 is a schematic structural view of the middle grounding knife of the present invention.
Detailed Description
As shown in fig. 1-2, the utility model relates to an aerify cubical switchboard's isolator's specific embodiment, including the drive shaft 1 that adopts insulating material preparation, bearing 11 is passed through to 1 one end of drive shaft and is installed on the cabinet body, the 1 other end of drive shaft passes through transmission 12 and is connected with isolator, install three group interval distribution's of group isolation knife tackle 2 in the drive shaft 1, 1 front side of drive shaft is equipped with three combined floodgate contact receptacle 3 that corresponds with isolation knife tackle 2, combined floodgate contact receptacle 3 fixes on the cabinet body through first insulator 31, 1 rear side of drive shaft is equipped with three wiring copper bar 4 that correspond with isolation knife tackle 2, three isolation knife tackle 2 is connected with corresponding wiring copper bar 4 through flexible coupling 5 respectively, wiring copper bar 4 passes through second insulator 41 and fixes on the cabinet body, 1 downside of drive shaft is equipped with three grounding knife 6 with isolation knife tackle 2, grounding knife 6 passes through grounding copper bar 61 and fixes on the cabinet body.
The whole layout of the utility model is compact by arranging the design, and the whole assembly space is reduced; when the isolating mechanism moves, kinetic energy is provided by the isolating mechanism, and the driving shaft 1 is driven to rotate by the transmission device 12 so as to drive the isolating knife assembly to move; when switching on, the driving shaft 1 drives the isolation knife assembly 2 to rotate and is connected with the switching-on contact base 3 to complete switching-on operation; when switching off, the driving shaft 1 drives the isolating knife assembly 2 to rotate and disconnect with the switching-on contact base 3 to complete the switching-off operation; when the grounding is carried out, the driving shaft 1 drives the isolation knife assembly 2 to be connected with the grounding knife 6 to complete the grounding operation; the utility model adopts the assembly mode of the flexible connection to replace the traditional mechanical arm pulling assembly mode, the resistance of the movement is reduced when switching operation is carried out, and the movement is smoother; the copper ground strap 4 is used to connect a ground wire or rod when fitted into the gas-filled switchgear.
The utility model discloses an embodiment, keep apart cutter unit spare 2 and include blade holder 21 and cutting board 22, blade holder 21 is fixed on drive shaft 1, and cutting board 22 parallel is fixed on blade holder 21.
In an embodiment of the present invention, as shown in fig. 2, one end of the flexible connection 5 in this embodiment is bent to form a U-shape and is fixed on the tool post 21 through the first pressing piece 51, the other end of the flexible connection 5 is fixed on the wiring copper bar 4 through the second pressing piece 52, the purpose of the above design is to make the deformation of the flexible connection 5 larger and more adaptive, and increase the service life of the flexible connection 5.
The utility model discloses an in the embodiment, in order to strengthen the stability that wiring copper bar 4 is connected, will work a telephone switchboard 4 lower extreme and extend forward and form extension 42, extension 42 passes through third insulator 43 to be fixed on the cabinet body.
The utility model discloses an in the embodiment, closing a floodgate touches seat 3 to be fixed on the cabinet body through two first insulators 31, and closing a floodgate touches seat 3 to include connecting plate 32, and the vertical fixation has combined floodgate contact 33 on the connecting plate 32, and connecting plate 32 and the also integrative preparation of combined floodgate contact 33 to strengthen whole mechanical strength.
The utility model relates to an embodiment, as shown in fig. 3, drive shaft 1 is the hexagonal axle structure, is equipped with the hexagonal hole that matches with drive shaft 1 on blade holder 21, and blade holder 21 cover is established on drive shaft 1, and drive shaft 1 is equipped with spacing round pin axle 13 in the both sides of blade holder 21, prevents the drunkenness of blade holder 21.
The utility model discloses an embodiment, as shown in fig. 4, transmission 12 includes flange cover 121 and adapting shaft 122, and flange cover 121 fixes on the cabinet body, and the cover of adapting shaft 122 is established in flange cover 121, and adapting shaft 122 is equipped with the spliced eye for one side of drive shaft 1, and drive shaft 1 passes through the spliced eye to be pegged graft in adapting shaft 122, is equipped with bayonet joint 123 on adapting shaft 122, and adapting shaft 122 passes through bayonet joint 123 to be fixed on isolating mechanism.
The utility model discloses an embodiment, as shown in fig. 5 and fig. 6, the combined floodgate initiating terminal of combined floodgate contact 33 is the fin shape, and the ground connection initiating terminal of earthing knife 6 is the fin shape, adopts the fin shape design to make isolator can be more accurate location when carrying out combined floodgate operation and ground connection operation on combined floodgate contact 33 and earthing knife 6.
In the description of the present invention, it is to be understood that the terms "longitudinal," "length," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered as limiting.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The above embodiments are only descriptions of the preferred embodiments of the present invention, and are not intended to limit the scope of the claimed invention, and various modifications made by those skilled in the art according to the technical solutions of the present invention should fall within the scope of the present invention as defined by the claims.
Claims (10)
1. The isolating switch of the gas-filled switch cabinet is characterized by comprising a driving shaft (1) made of an insulating material, wherein one end of the driving shaft (1) is installed on a cabinet body through a bearing (11), the other end of the driving shaft (1) is connected with an isolating mechanism through a transmission device (12), three groups of isolating knife assemblies (2) distributed at intervals are installed on the driving shaft (1), three closing contact seats (3) corresponding to the isolating knife assemblies (2) are arranged on the front side of the driving shaft (1), the closing contact seats (3) are fixed on the cabinet body through first insulators (31), three wiring copper bars (4) corresponding to the isolating knife assemblies (2) are arranged on the rear side of the driving shaft (1), the three isolating knife assemblies (2) are respectively connected with the corresponding wiring copper bars (4) through flexible connections (5), and the wiring copper bars (4) are fixed on the cabinet body through second insulators (41), the utility model discloses a cabinet, including drive shaft (1), drive shaft (1) downside is equipped with three and isolation knife tackle spare (2) earthing knife (6), earthing knife (6) are fixed on the cabinet body through ground connection copper bar (61).
2. The disconnector of a gas-filled switchgear cabinet, as claimed in claim 1, characterized in that the disconnector module (2) comprises a holder (21) and a knife plate (22), the holder (21) being fixed to the drive shaft (1), the knife plate (22) being fixed in parallel to the holder (21).
3. The disconnecting switch of the gas-filled switch cabinet as claimed in claim 2, wherein one end of the flexible connection (5) is bent back to form a U-shape and is fixed on the tool holder (21) through a first pressing sheet (51), and the other end of the flexible connection (5) is fixed on the wiring copper bar (4) through a second pressing sheet (52).
4. The disconnecting switch of the gas-filled switch cabinet according to claim 1, wherein the lower end of the wiring copper bar (4) extends forwards to form an extension portion (42), and the extension portion (42) is fixed on the cabinet body through a third insulator (43).
5. The disconnector according to claim 1, characterized in that the closing contact base (3) comprises a connecting plate (32), and a closing contact (33) is vertically fixed on the connecting plate (32).
6. A disconnector according to claim 1, characterized in that there are two first insulators (31).
7. The isolating switch of the gas-filled switch cabinet as claimed in claim 1, wherein the transmission device (12) comprises a flange sleeve (121) and an adapter shaft (122), the flange sleeve (121) is fixed on the cabinet body, the adapter shaft (122) is sleeved in the flange sleeve (121), one side of the adapter shaft (122) opposite to the driving shaft (1) is provided with a jack, the driving shaft (1) is plugged in the adapter shaft (122) through the jack, the adapter shaft (122) is provided with a plug (123), and the adapter shaft (122) is fixed on the isolating mechanism through the plug (123).
8. The isolating switch of the gas-filled switch cabinet according to claim 2, wherein the driving shaft (1) is of a hexagonal shaft structure, a hexagonal hole matched with the driving shaft (1) is formed in the tool apron (21), the tool apron (21) is sleeved on the driving shaft (1), and the driving shaft (1) is provided with limiting pin shafts (13) on two sides of the tool apron (21).
9. The disconnector of a gas-filled switchgear cabinet, according to claim 1, characterized in that the earthing copper bar (61) is fixed to the support plate (62).
10. The disconnecting switch of the inflatable switch cabinet as claimed in claim 5, wherein the switching-on starting end of the switching-on contact (33) is in a shape of a fin, and the grounding starting end of the grounding knife (6) is in a shape of a fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922388597.2U CN211480730U (en) | 2019-12-26 | 2019-12-26 | Isolating switch of gas-filled switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922388597.2U CN211480730U (en) | 2019-12-26 | 2019-12-26 | Isolating switch of gas-filled switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211480730U true CN211480730U (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922388597.2U Active CN211480730U (en) | 2019-12-26 | 2019-12-26 | Isolating switch of gas-filled switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211480730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116092867A (en) * | 2022-12-15 | 2023-05-09 | 协成科技股份有限公司 | Earthing knife centrally-mounted load switch combined electrical apparatus |
-
2019
- 2019-12-26 CN CN201922388597.2U patent/CN211480730U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116092867A (en) * | 2022-12-15 | 2023-05-09 | 协成科技股份有限公司 | Earthing knife centrally-mounted load switch combined electrical apparatus |
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| GR01 | Patent grant | ||
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Effective date of registration: 20240806 Address after: 831999 Within the Second Zone of Minsheng Industrial Park, Mulei County, Mulei Kazakh Autonomous County, Changji Hui Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee after: Xinjiang Shuangjie New Energy Co.,Ltd. Country or region after: China Address before: 100085, D, block 9, 3rd Street, Haidian District, Beijing, 1111 Patentee before: BEIJING SOJO ELECTRIC Co.,Ltd. Country or region before: China |