CN209250163U - A kind of isolated-phase enclosed bus support device - Google Patents
A kind of isolated-phase enclosed bus support device Download PDFInfo
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- CN209250163U CN209250163U CN201821455607.9U CN201821455607U CN209250163U CN 209250163 U CN209250163 U CN 209250163U CN 201821455607 U CN201821455607 U CN 201821455607U CN 209250163 U CN209250163 U CN 209250163U
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Abstract
The utility model relates to a kind of isolated-phase enclosed bus support devices, belong to hair transmission facility technical field.A kind of isolated-phase enclosed bus support device, phase-isolated closed bus conductor are located in shell, are used to support two support plates of insulator inside the shell and for the pedestal of connecting insulator and support plate including the fixed insulator of bottom inside the shell, fixation；The insulator is made of epoxy resin, the fixed phase-isolated closed bus conductor in the top of insulator；Described two support plates are separately fixed at the medial surface insulator lower end two sides of shell, and support plate lower end and pedestal junction are folded upward at into horizontal curved trisection；Pedestal lower end surface two sides are fixedly connected with the bending segment of two support plates.The utility model structure is simple, high mechanical strength, anti-corona ability are strong, and insulator is hardly damaged under short-circuit conditions, and the stability of entire isolated-phase enclosed bus system is high.
Description
Technical field
The utility model relates to a kind of isolated-phase enclosed bus support devices, belong to hair transmission facility technical field.
Background technique
Isolated-phase enclosed bus is be widely used in 50MW and above generator extraction line loop and house branch bus circuit one
Kind high current transmitting device, phase-isolated closed bus conductor are located in closed shell, and phase-isolated closed bus conductor and shell are adopted more
It is rolled and is welded with aluminium sheet, phase-isolated closed bus conductor and shell are separated by insulator and supported.
Current phase-isolated closed bus conductor, by certain angle separation support, is had been widely used for each by multiple insulators
The extraction of class generator, but there is also many defects in use for the structure.When short circuit occurs for the lead-out wire of generator,
Because of the electric current induction effect of isolated-phase enclosed bus, the active force reversed with short circuit current, isolated-phase enclosed bus can be generated in shell
Conductor is influenced to generate the active force to " zero-g point " displacement by the active force to keep stress balance, and short circuit current is got over
Greatly, corresponding active force is also bigger, when active force arrives greatly, and phase-isolated closed bus conductor can be made to generate displacement, will lead to multiple
Insulator generates irreversible damage simultaneously；On the other hand at present using extensive ceramic insulator mechanical strength compared with, anti-corona
Ability is low, and insulator, which is mounted directly, to be fixed on the shell, if the position seals of shell installation insulator are not tight, it is likely that cause
Dust enters in shell, insulator arc-over phenomenon occurs, loses the effect of insulation.
Utility model content
That the purpose of the utility model is to provide a kind of structures is simple, high mechanical strength, anti-corona ability are strong from mutually closing
Busbar supporting device.
To achieve the goals above, the technical solution adopted in the utility model is:
A kind of isolated-phase enclosed bus support device, phase-isolated closed bus conductor are located in shell, including fix inside the shell
The insulator of bottom, fixed two support plates for being used to support insulator inside the shell and for connecting insulator and support plate
Pedestal；The insulator is made of epoxy resin, the fixed phase-isolated closed bus conductor in the top of insulator；Described two support plates
The medial surface insulator lower end two sides of shell are separately fixed at, support plate lower end and pedestal junction are folded upward at into horizontal buckling
Section；Pedestal lower end surface two sides are fixedly connected with the bending segment of two support plates.
Technical solutions of the utility model further improvement lies in that: the insulator and phase-isolated closed bus conductor pass through spiral shell
Bolt is fixedly connected.
Technical solutions of the utility model further improvement lies in that: the support plate is pasted completely with shell medial surface junction
It closes.
Technical solutions of the utility model further improvement lies in that: the support plate is elastic aluminium sheet.
Technical solutions of the utility model further improvement lies in that: the insulator is bolted on the middle of the base.
Technical solutions of the utility model further improvement lies in that: pedestal lower end surface two sides and support plate pass through bolt
It is fixedly connected.
By adopting the above-described technical solution, the technical effect that the utility model obtains has:
The isolated-phase enclosed bus support device of the utility model reduces the stress of insulator, and isolated-phase enclosed bus is allowed to lead
The displacement that certain amplitude is generated after body stress avoids occurring damage to insulator after short circuit, by single insulator be mounted on from
It the lower section of phase enclosed busbar conductor should the phenomenon that effectively can fixing phase-isolated closed bus conductor again and can be reduced insulator arc-over
The mechanical strength of isolated-phase enclosed bus support device and anti-corona ability are all greatly improved, and increase entirely from mutually closing
The stability of bus-bar system.
The insulator of the utility model is made of epoxy resin, mechanical strength and toughness with higher, when from mutually closing
When bus-bars conductor stress generates certain amplitude displacement, insulator will not be damaged.
It is fixedly connected between the insulator of the utility model and shell by two support plates, ensure that the integrality of shell
And leakproofness, prevent extraneous dust from entering interior of shell and be attached to the surface of insulator, destroy insulator insulating properties and
It influences entirely from the performance for mutually separating bus.Support plate end and pedestal junction are folded upward at into horizontal curved trisection, convenient exhausted
The connection of edge and support plate, while support plate is elastic aluminium sheet, existing gap between the bending segment and shell of support plate, into
One step ensure that the ability to bear and toughness of insulator when larger displacement occurs for phase-isolated closed bus conductor, avoid insulator
Damage.
The support plate of the utility model is bonded completely with shell medial surface junction, that is, shell is protected to increase insulation again
The bonding strength of son and shell.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of isolated-phase enclosed bus support device；
Fig. 2 is the structural representation that two support plate lower ends are connected to become integrated support plate in isolated-phase enclosed bus support device
Figure；
Fig. 3 is that insulator is directly fixedly connected with integrated support board bottom portion horizontal plane in isolated-phase enclosed bus support device
Structural schematic diagram；
Wherein, 1, phase-isolated closed bus conductor, 2, shell, 3, support plate, 4, pedestal, 5, insulator, 6 integrated support plates.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in further details the utility model:
The utility model discloses a kind of isolated-phase enclosed bus support device, good seal performance, mechanical strength and anti-coronas
Ability is strong, in the case where short circuit occurs, can effectively protect phase-isolated closed bus conductor and insulator, allows isolated-phase enclosed bus
Conductor stress generates certain displacement, increases the stability of entire isolated-phase enclosed bus system.Here is specific embodiment:
A kind of isolated-phase enclosed bus support device, phase-isolated closed bus conductor 1 is located in shell 2, including is fixed on shell 2
The insulator 5 of interior bottom, be fixed on two support plates 3 that insulator 5 is used to support in shell 2 and for connecting insulator 5 with
The pedestal 4 of support plate 3, it is specific as shown in Figure 1.
The insulator 5 of the utility model is made of epoxy resin, high mechanical strength, and the anti-corona ability on surface is strong, insulation
Son 5 is single insulator 5, is fixed on the lower section of phase-isolated closed bus conductor 1,5 top of insulator and phase-isolated closed bus conductor 1
It is bolted to connection, 5 lower end surface of insulator is bolted on the middle of the base, which can effectively support from mutually sealing
Bus-bars conductor 1 is closed, the stress of insulator 5 is reduced.
Two support plates 3 of the utility model are separately fixed at the 5 lower end two sides of medial surface insulator of shell 2, for solid
Determine insulator 5, avoid insulator 5 and be directly anchored on shell 2, effectively protect the integrality and leakproofness of shell 2, prevents
Only extraneous dust enters inside shell 2 and is attached to the insulating effect of the surface influence insulator 5 of insulator 5 and entirely from phase
Separate the performance of bus-bar system.Support plate 3 is bonded completely with 2 medial surface junction of shell, is increased again while protecting shell 2
The bonding strength of insulator 5 and shell 2,3 lower end of support plate and 4 junction of pedestal are folded upward to form horizontal bending segment, side
Just the connection of insulator 5 and support plate 3, there are certain intervals between the lower end surface and shell 2 of bending segment, and support plate 3 is preferential
It is set as elastic aluminium sheet, 4 lower end surface two sides of pedestal and the horizontal plane of two support plates 3 are bolted.Work as motor lead-out wire
After short circuit occurs, because of the electric current induction effect of isolated-phase enclosed bus, the effect reversed with short circuit current can be generated in shell 2
Power causes phase-isolated closed bus conductor 1 to generate the active force to " zero-g point " displacement to keep its stress balance, and short circuit current is got over
Greatly, corresponding active force is also bigger, when active force arrive greatly can make phase-isolated closed bus conductor 1 generate displacement when, support plate 3 with
The elastic reaction in gap and support plate 3 between shell 2 allows phase-isolated closed bus conductor 1 that insulator 5 is driven to generate centainly
The displacement of amplitude effectively protects insulator 5, reduces generator lead-out wire and occurs to lead after short circuit because insulator 5 damages
Enclosed busbar is caused to return the various problems of brings such as repair in shop is multiple.
Embodiment 2
In the present embodiment, two support plates 3 in embodiment 1 are arranged to an integrated support plate 6, overally support plate 6
Two sides be fitted and connected with 2 medial surface of shell, integrated support 6 bottom of plate is folded upward at into horizontal plane, the lower end surface of horizontal plane with
There are gap between shell 2,5 bottom end of insulator is fixedly connected by pedestal 4 with the horizontal plane of integrated support 6 bottom of plate, specifically
As shown in Fig. 2, design further enhances the mechanical strength and support strength of support plate in this way.It can also be the bottom of by the present embodiment
Seat 4 removes, and connect the bottom end of insulator 5 directly with integrated support 6 bottom water plane of plate, specifically as shown in figure 3, simplify from
The structure for mutually separating busbar supporting device, has saved cost of manufacture, while can also reach the technical effect in embodiment 1.
The isolated-phase enclosed bus support device of the utility model reduces the stress of insulator, and isolated-phase enclosed bus is allowed to lead
The displacement that certain amplitude is generated after body stress, the damage after avoiding generation short-circuit to insulator, is replaced multiple with single insulator
Insulator, and single insulator is mounted on to the lower section of phase-isolated closed bus conductor, it can effectively fix isolated-phase enclosed bus and lead
Body can be reduced the phenomenon that insulator arc-over again, and the mechanical strength of the isolated-phase enclosed bus support device and anti-corona ability all obtain
Very big promotion increases the stability of entire isolated-phase enclosed bus system, reduces the cost of depot repair.
Claims (6)
1. a kind of isolated-phase enclosed bus support device, phase-isolated closed bus conductor (1) is located in shell (2), it is characterised in that: packet
It includes and is fixed on the insulator (5) of shell (2) interior bottom, is fixed on interior two support plates for being used to support insulator (5) of shell (2)
(3) and be used for connecting insulator (5) and support plate (3) pedestal (4)；The insulator (5) is made of epoxy resin, insulator
(5) top is fixed phase-isolated closed bus conductor (1)；The medial surface that described two support plates (3) are separately fixed at shell (2) is exhausted
Edge (5) lower end two sides, support plate (3) lower end and pedestal (4) junction are folded upward at into horizontal curved trisection；The pedestal (4)
Lower end surface two sides are fixedly connected with the bending segment of two support plates (3).
2. a kind of isolated-phase enclosed bus support device according to claim 1, it is characterised in that: the insulator (5) with
Phase-isolated closed bus conductor (1) is bolted to connection.
3. a kind of isolated-phase enclosed bus support device according to claim 1, it is characterised in that: the support plate (3) with
Shell (2) medial surface junction is bonded completely.
4. according to claim 1 or a kind of 3 described in any item isolated-phase enclosed bus support devices, it is characterised in that: the branch
Fagging (3) is elastic aluminium sheet.
5. a kind of isolated-phase enclosed bus support device according to claim 1, it is characterised in that: the insulator (5) is logical
Bolt is crossed to be fixed in the middle part of pedestal (4).
6. a kind of isolated-phase enclosed bus support device according to claim 1, it is characterised in that: pedestal (4) lower end
Face two sides are bolted to connection with support plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821455607.9U CN209250163U (en) | 2018-09-06 | 2018-09-06 | A kind of isolated-phase enclosed bus support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821455607.9U CN209250163U (en) | 2018-09-06 | 2018-09-06 | A kind of isolated-phase enclosed bus support device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209250163U true CN209250163U (en) | 2019-08-13 |
Family
ID=67517499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821455607.9U Active CN209250163U (en) | 2018-09-06 | 2018-09-06 | A kind of isolated-phase enclosed bus support device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209250163U (en) |
-
2018
- 2018-09-06 CN CN201821455607.9U patent/CN209250163U/en active Active
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