CN208834824U - A kind of protected type plug-in arrester with explosion-protection equipment - Google Patents
A kind of protected type plug-in arrester with explosion-protection equipment Download PDFInfo
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- CN208834824U CN208834824U CN201821811883.4U CN201821811883U CN208834824U CN 208834824 U CN208834824 U CN 208834824U CN 201821811883 U CN201821811883 U CN 201821811883U CN 208834824 U CN208834824 U CN 208834824U
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- arrester
- explosion
- lower flange
- supporting plate
- protection equipment
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Abstract
The utility model relates to a kind of arresters, and in particular to a kind of protected type plug-in arrester with explosion-protection equipment.It cannot be fitted closely to solve existing lightning arrester core body conehead and inner cone insulator, there are decreasing insulatings for its operational process, the technical issues of along the electric discharge of binding face flashover, the utility model provides a kind of protected type plug-in arrester with explosion-protection equipment, it rubs spring including metal shell, core, lower flange, the fixed plate being fixed below core, the explosion-protection equipment being arranged on lower flange, the supporting plate being arranged in below fixed plate and at least one being arranged between supporting plate and lower flange, is used to support supporting plate to realize the support to lightning-arrest core.The utility model can be closely adhered to lightning arrester core body conehead and inner cone insulator, increase the safety of arrester operation.
Description
Technical field
The utility model relates to a kind of plug-in arresters, and in particular to a kind of protected type grafting with explosion-protection equipment is lightning-arrest
Device.
Background technique
The electrical equipments protected type plug-in arrester such as existing C-GIS gas-filling cabinet or oil change, by the way that inner cone insulation will be inserted into
Subdivision is set as rubber conehead, and with inner cone insulator inner surface tight compression fit, to achieve the purpose that insulation.But with
Runing time lengthens, and the continuous aging of rubber is shunk, and can reduce the laminating degree with inner cone insulator inner surface, operational process is deposited
In decreasing insulating, discharges along binding face flashover, bury hidden trouble to the safe operation of arrester.
Spring is arranged in current existing protected type plug-in arrester at lower flange, using the elastic force of spring by arrester core
Body pushes up upwards, achievees the purpose that core conehead is fitted closely with inner cone insulator inner surface.But only at the lower flange among be arranged
One spring, the elastic force of spring is limited, tends not to reach the reason for fitting closely lightning arrester core body conehead and inner cone insulator
The phenomenon that thinking degree, be still likely to occur decreasing insulating in the operational process of arrester, discharging along binding face flashover.
Summary of the invention
In order to solve the prior art, there are lightning arrester core body coneheads and inner cone insulator to fit closely, operational process
In there are decreasing insulating, the technical issues of along the electric discharge of binding face flashover, the utility model provides a kind of band explosion-protection equipment
Protected type plug-in arrester.
The technical scheme is that
A kind of protected type plug-in arrester with explosion-protection equipment, including metal shell, core, lower flange, it is fixed on core
The fixed plate of lower section and the explosion-protection equipment being arranged on lower flange are characterized in that further include supporting plate and at least one
Rub spring, and the supporting plate is arranged below fixed plate, and the spring that rubs is arranged between supporting plate and lower flange.
Further, the explosion-protection equipment includes pressure release storehouse and bursting diaphragm；Pressure release storehouse is surrounded by supporting plate and lower flange, makes to keep away
The pressure that thunder device generates when damaging is released after being buffered, and improves product safety in operation；Lower flange bottom surface is provided with through-hole, institute
Bursting diaphragm is stated to be arranged on through-hole for stopping pressure release storehouse to be connected to the external world.
It further, further include pressure relief plate, the pressure relief plate is arranged above bursting diaphragm, and pressure release is provided on pressure relief plate
Hole.
It further, further include caging bolt, the caging bolt is connected by the counterbore on supporting plate with lower flange, limit
There are gaps between bolt head bottom surface and lower flange bottom surface.
Further, the supporting plate can be round pallet, bar shaped supporting plate or quincunx supporting plate.
Further, three springs that rub are set evenly and at intervals between the supporting plate and lower flange bottom surface, and elastic force is according to product
Core weight is designed.
Further, it is provided with sealing ring between the lower flange through-hole and bursting diaphragm, prevents extraneous humid air from entering
Inside arrester.
Further, the fixed plate, pressure relief plate and bursting diaphragm are isolation material, and earth stud is completely exhausted with metal shell
Edge can connect the monitoring device of arrester, monitor the operating status of arrester.
Compared with prior art, the advantages of the utility model:
1, the utility model is supported supporting plate by the way that supporting plate is arranged between lower flange and core, and with spring is rubbed, from
And the support to core is realized, the supporting point of core is increased, allows lightning arrester core body conehead and inner cone insulator tight
Closely connected conjunction increases the safety of arrester operation；
2, the utility model is uniformly arranged between supporting plate and lower flange bottom surface by the spring that will rub so that supporting plate and core it
Between support it is relatively reliable；
3, the utility model prevents extraneous humid air from entering and keeps away by the way that sealing ring is arranged between lower flange and bursting diaphragm
Inside thunder device, the service life of arrester is extended；
4, the utility model is by lower flange internal reservation space appropriate, to form pressure release cabin, when damaging arrester
The pressure of generation is released after being buffered, and improves product safety in operation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the protected type plug-in arrester with explosion-protection equipment of the utility model；
Description of symbols:
1- core, 2- power spring, 3- lower flange, 4- flange seal ring, 5- pressure release storehouse, 6- sealing ring, 7- fixed plate, 8-
Supporting plate, 9- rub spring, 10- pressure relief plate, 11- bursting diaphragm, 12- earth stud.
Specific embodiment
It elaborates below in conjunction with attached drawing to the utility model.
As shown in Figure 1, protected type plug-in arrester of one of the present embodiment with explosion-protection equipment, including metal shell,
Core 1, power spring 2, lower flange 3, flange seal ring 4, sealing ring 6, fixed plate 7, the supporting plate 8, three that section is U-shaped rub
Spring 9, pressure relief plate 10, bursting diaphragm 11 and earth stud 12, supporting plate 8 and lower flange 3 surround pressure release storehouse 5, pressure release storehouse 5 and bursting diaphragm 11
Constitute explosion-protection equipment；Metal shell is wrapped in outside core 1 and forms a whole, and lower flange 3,1 bottom of core are protruded into one end
Fixed plate 7 is set, and the entirety that core 1 and metal shell form is connected through a screw thread with lower flange 3；In the present embodiment, setting is connect
Ground bolt 12, core 1 are connect by passing through the connection bolt of fixed plate 7 with power spring 2, power spring 2 and earth stud 12
Connection, earth stud 12 are grounded after connecting with monitoring device, and monitoring device can monitor the action frequency of arrester, leakage current
Etc. operating statuses, in other embodiments if you do not need to monitoring above-mentioned parameter, earth stud 12 can also be not provided with；Lower flange
3 bottoms are equipped with through-hole, and the diameter of through-hole is less than the internal diameter of lower flange 3；Setting bursting diaphragm 11 is for stopping 5 He of pressure release storehouse in through-hole
External world's connection.
Power spring 2 is equipped between fixed plate 7 and bursting diaphragm 11,11 top of bursting diaphragm and power spring are set between 2 lower section
It is equipped with pressure relief plate 10, is provided with relief hole on pressure relief plate 10；Supporting plate 8 is located at 7 lower section of fixed plate, and supporting plate 8 can be metal material
Production, or insulating materials makes, and round pallet made of metal material is chosen in the present embodiment, is held in the palm in other embodiments
Plate 8 may be set to be bar shaped supporting plate or quincunx supporting plate；It is gap between the outer diameter of round pallet 8 and the internal diameter of lower flange 3
Cooperation.
The position that the bottom surface of supporting plate 8 and 3 bottom surface of lower flange are correspondingly arranged the spring 9 that rubs in the present embodiment is equipped with pilot hole, uses
In to rub spring 9 carry out positioning and guiding, make equipment run in rub spring 9 will not be popped up because of extruding and influence equipment use；Other
In embodiment, can also 3 bottom surface of lower flange or 8 bottom surface of supporting plate be correspondingly arranged the spring 9 that rubs position be equipped with guide post, for pair
The spring 9 that rubs carries out positioning and guiding；Or it is equipped with pilot hole in the position that the bottom surface of supporting plate 8 is correspondingly arranged the spring 9 that rubs, lower flange 3 is corresponding
Setting is equipped with guide post, and guide post and pilot hole are provided commonly for carrying out positioning and guiding to the spring 9 that rubs；Three are rubbed spring 9 evenly and at intervals
It is arranged between 3 bottom surface of supporting plate 8 and lower flange, is used to support supporting plate 8 to realize the support to core 1, the spring 9 that rubs is outer diameter change
Small spring, diameter are adjusted according to product size, and 9 elastic force of spring that rubs in the present embodiment is twice of 1 weight of core, other
Elastic force is designed according to product core weight in embodiment；The spring 9 that rubs in the present embodiment is the spring that outer diameter becomes smaller, diameter
It is adjusted according to product size.
Round pallet 8 be equipped with counterbore, round pallet 8 is connected with lower flange 3 by bolt, the bottom surface of bolt head and
There are appropriate gaps between 3 bottom surface of lower flange.
3 internal reservation of lower flange space appropriate forms pressure release cabin 5, the pressure generated when damaging arrester with supporting plate 8
Power is released after being buffered, and improves product safety in operation.
Lower flange 3 and 1 endface of core are provided with flange seal ring 4；3 groove of lower flange and 11 contact position of bursting diaphragm are arranged
Sealing ring 6 prevents extraneous humid air from entering inside arrester.
Claims (8)
1. a kind of protected type plug-in arrester with explosion-protection equipment, including metal shell, core (1), lower flange (3), it is fixed on
The explosion-protection equipment of fixed plate (7) and setting on lower flange (3) below core (1), it is characterised in that: further include supporting plate
(8) it is arranged below fixed plate (7) at least one spring that rubs (9), the supporting plate (8), the spring that rubs (9) is arranged in supporting plate (8)
Between lower flange (3).
2. a kind of protected type plug-in arrester with explosion-protection equipment according to claim 1, it is characterised in that: described explosion-proof
Device includes pressure release storehouse (5) and bursting diaphragm (11)；Pressure release storehouse (5) is surrounded by supporting plate (8) and lower flange (3)；Lower flange (3) bottom surface
It is provided with through-hole, the bursting diaphragm (11) is arranged on through-hole for stopping pressure release storehouse (5) to be connected to the external world.
3. a kind of protected type plug-in arrester with explosion-protection equipment according to claim 2, it is characterised in that: further include letting out
Pressing plate (10), above bursting diaphragm (11), pressure relief plate is provided with relief hole on (10) for pressure relief plate (10) setting.
4. a kind of protected type plug-in arrester with explosion-protection equipment according to claim 1 or 2 or 3, it is characterised in that: also
Including caging bolt, the caging bolt is connected by the counterbore on supporting plate (8) with lower flange (3), caging bolt head bottom surface
There are gaps between lower flange (3) bottom surface.
5. a kind of protected type plug-in arrester with explosion-protection equipment according to claim 4, it is characterised in that: the supporting plate
It (8) can be round pallet, bar shaped supporting plate or quincunx supporting plate.
6. a kind of protected type plug-in arrester with explosion-protection equipment according to claim 5, it is characterised in that: the supporting plate
(8) three springs that rub (9) are set evenly and at intervals between lower flange (3) bottom surface.
7. a kind of protected type plug-in arrester with explosion-protection equipment according to claim 6, it is characterised in that: the laxative remedy
Sealing ring (6) are provided between blue (3) through-hole and bursting diaphragm (11).
8. a kind of protected type plug-in arrester with explosion-protection equipment according to claim 7, it is characterised in that: the fixation
Plate (7), pressure relief plate (10) and bursting diaphragm (11) are isolation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821811883.4U CN208834824U (en) | 2018-11-05 | 2018-11-05 | A kind of protected type plug-in arrester with explosion-protection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821811883.4U CN208834824U (en) | 2018-11-05 | 2018-11-05 | A kind of protected type plug-in arrester with explosion-protection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208834824U true CN208834824U (en) | 2019-05-07 |
Family
ID=66320098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821811883.4U Active CN208834824U (en) | 2018-11-05 | 2018-11-05 | A kind of protected type plug-in arrester with explosion-protection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208834824U (en) |
-
2018
- 2018-11-05 CN CN201821811883.4U patent/CN208834824U/en active Active
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