CN207149510U - A kind of new 35kVPT fuses fusion tube fast dismounting and assembling terminal cover - Google Patents
A kind of new 35kVPT fuses fusion tube fast dismounting and assembling terminal cover Download PDFInfo
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- CN207149510U CN207149510U CN201721028385.8U CN201721028385U CN207149510U CN 207149510 U CN207149510 U CN 207149510U CN 201721028385 U CN201721028385 U CN 201721028385U CN 207149510 U CN207149510 U CN 207149510U
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- end cap
- fuse
- clamp
- screw
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Abstract
The utility model discloses a kind of new 35kVPT fuses fusion tube fast dismounting and assembling terminal cover, one end including fuse, the wiring end cap for being assemblied in fuse end, fuse is connected with insulated porcelain sleeve, the wiring end cap includes horseshoe, the end cap for connecting lead wire, the clamp for fixing fuse, the closure for end cover for being fixed on insulated porcelain sleeve, the edge part of end cap is provided with binding post, clamp screws in cover internal, clamp engages with horseshoe, and end cap and insulated porcelain sleeve are fixed.The binding post of existing end cap is moved to marginal position by the utility model by center, and the purpose of lead can not be untied when realizing dismounting fuse.The utility model is to the perforate of end cap center, and so as to can take out fuse from end cap, whole installation process, which is realized, does not pull down end cap, you can changes fuse.The utility model sets milling groove structure in end cap, is easy to the operation and fixation of the clamp to fastening fuse.
Description
Technical field
The utility model belongs to electrical equipment technical field, in particular to a kind of new 35kVPT fuses fusion tube is quickly torn open
Fill end cap.
Background technology
Existing 35kV PT fuses include insulated porcelain sleeve and the fusion tube for being installed on inside and both ends are used to close and connect to draw
The end cap of line is formed.When changing fuse, after one end lead need to be removed and fixed with wind rope, then pull down end cap and change fusing
Device, finally returns to install into and more changes jobs in a reverse order.Because end cap is using two panels horseshoe and four bolts and insulation
Insulator is fixed, and internally in the presence of spring, dismounting all needs at least two people to coordinate completion, and because insulated porcelain sleeve end is used
It is narrower in the shirt rim of fixed end cap, it is not easy to exert oneself, and installation quality also cannot be guaranteed, in particular cases also needing will be whole molten
Disconnected device is removed, and is being returned dress after installation is completed on ground, is being caused the working time longer.In addition, the binding post on end cap is when mounted
Due to misoperation and unbalance stress, easily it is broken, causes work to be delayed, has a strong impact on operating efficiency.
Based on this, study and develop a kind of new 35kVPT fuses fusion tube fast dismounting and assembling terminal cover of design.
Utility model content
The purpose of this utility model is：For existing replacing fuse, one end lead need to be removed and fixed with wind rope
Afterwards, then pull down end cap and carry out replacing fuse, installation then order on the contrary, the whole process set-up time is long and end cap on wiring
On be easily broken when mounted caused by misoperation, influence operating efficiency, it is fast now to provide a kind of new 35kVPT fuses fusion tube
Speed dismounting end cap, binding post is arranged on the edge of end cap, and be easy to die nut to grasp in the center drilling of clamp, closure
Make, using clamp is screwed in into end cap and coordinated with end cap, fuse is headed into insulated porcelain sleeve and fixation, installing/dismounting is solved and melts
Because insulated porcelain sleeve shirt rim is too narrow during disconnected device, it is not easy to exert oneself, the problems such as installation quality is low.
The utility model is achieved through the following technical solutions：
A kind of new 35kVPT fuses fusion tube fast dismounting and assembling terminal cover, including fuse, it is assemblied in connecing for fuse end
Line end cap, one end of fuse are connected with insulated porcelain sleeve, and the wiring end cap includes being fixed on the horseshoe of insulated porcelain sleeve, is used for
The end cap of connecting lead wire, the clamp for fixing fuse, the closure for end cover, the edge part of end cap are provided with wiring
Post, clamp screws in cover internal, and closure uses screwed connection with end cap, and clamp engages with horseshoe, by end cap and insulation
Insulator is fixed.
Existing 35kV PT fuses include insulated porcelain sleeve and the fusion tube for being installed on inside and both ends are used to close and connect to draw
The end cap of line is formed, and end cap is fixed using two panels horseshoe and four bolts with insulated porcelain sleeve, the effect of spring internally
Under, dismounting all needs at least two people to coordinate to complete, therefore during existing replacing fuse, can be to compared with skirt side if firmly excessive
The end cap of structure causes to damage, then whole installation quality cannot be guaranteed.
The technical program is designed to the end cap of fuse, and binding post is installed on into end cap by the centre of end cap
Edge part, then realize in the case where not removing lead and end cap, be connected, realized to fuse by clamp and end cap
Operating case is fixed, the cooperation of clamp and horseshoe；The fixation of end cap and insulated porcelain sleeve, and binding post is arranged on end cap edge,
Clamp screws in cover internal, realizes the operation and fixation to fuse, then whole end cap is engaged by clamp with horseshoe, enters one
Step strengthens the fixation of end cap and insulated porcelain sleeve, so as to realize the fast assembling-disassembling of fuse, and effectively occurrence of equipment can be avoided to damage
And the situation that installation is not in place, while be greatly improved in crew numbers, Work tool preparation and working time, greatly
Improve operating efficiency.
Further, the center of the closure is provided with screw A, and the center of clamp is provided with screw B, with screw B on clamp
Central shaft be respectively equipped with a flange part for the both ends of symmetry axis, the center of end cap is provided with perforate, and verge of opening end is provided with two
Individual groove milling, two groove millings are centrosymmetric using the central shaft of perforate as axle, and two groove millings and two flange part shape adaptations.
Flange part and groove milling shape adaptation, are easy in installation process, and during clamp screws in end cap, clamp can revolve
Enter in end cap, and clamp can be fixed in end cap to a certain extent.
Wherein, screw A is interior hexagonal screw, and screw B is also interior hexagonal screw, and screw A is identical with screw B shape, size.
In addition, the size of end cap is more than clamp, the shape of end cap and clamp is cross section for circular structure, is set in verge of opening
Two groove millings are insertion groove milling, and groove milling particular location is to be arranged on the inwall of perforate.The structure of two groove millings is identical, by two sections
The different groove milling section composition of depth, is less than one section of depth close to horseshoe, wherein close to close close to one section of depth of closure
One section of depth of capping is used to meet rotating freely for clamp, and the depth close to one section of horseshoe can be carried out with clamp flange part
Adaptation.
Further, the horseshoe has two panels, and two necks, the shape and flange of neck are formed between two panels horseshoe
The shape adaptation in portion.Clamp is headed into fuse in insulated porcelain sleeve by its ellipsoid.Wherein clamp is designed using mouth hanging, actual
In use, fuse is headed into insulated porcelain sleeve by ellipsoid, and turn clockwise about 30 ° and enter fixed bayonet socket, undertake fixation
With through-flow effect.
Further, the screw A and screw B is concentric axis hole, and screw A and screw B is removable with same bolt
Connection is unloaded, then interior hexagonal screw A and interior hexagonal screw B is satisfied by being detachably connected using same bolt inner hexagon spanner.
Further, the sealing gasket for end cover mouth is provided between the closure and end cap.
Further, the end cap, closure, the cross section of clamp are circle.
The utility model compared with prior art, has the following advantages and advantages：
(1) binding post of existing end cap is moved to marginal position by the utility model by center, realizes dismounting fuse
When can not untie the purpose of lead.
(2) the utility model is to the perforate of end cap center, so as to can take out fuse from end cap, whole installation
Process, which is realized, does not pull down end cap, you can changes fuse.
(3) the utility model sets milling groove structure in end cap, is easy to the operation and fixation of the clamp to fastening fuse.
(4) the utility model sets sealing gasket in end cap between closure, can effectively be sealed the perforate of end cap,
Avoid water, dirt from entering damage or etching apparatus, and screw A, screw B are set respectively in end cap and clamp, can be pulled by interior hexagonal
Hand operation can complete the replacing requirement to fuse.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Wherein：1-closure, 2-clamp, 3-binding post, 4-end cap, 5-fuse, 6-horseshoe, 7-insulation
Insulator, 11-screw A, 21-flange part, 22-screw B, 41-groove milling, 42-perforate, 61-neck.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment 1：
As shown in figure 1, a kind of new 35kVPT fuses fusion tube fast dismounting and assembling terminal cover, including fuse 5, it is assemblied in fusing
The wiring end cap of the end of device 5, one end of fuse 5 are connected with insulated porcelain sleeve 7, it is characterised in that：The wiring end cap includes solid
Horseshoe 6 due to insulated porcelain sleeve 7, the end cap 4 for connecting lead wire, the clamp 2 for fixing fuse 5, for sealed end
The closure 1 of lid 4, the edge part of end cap 4 are provided with binding post 3, and clamp 2 is screwed in inside end cap 4, and clamp 2 engages with horseshoe 6,
End cap 4 and insulated porcelain sleeve 7 are fixed.
Wherein, the center of the closure 1 is provided with screw A11, and the center of clamp 2 is provided with screw B22, with spiral shell on clamp 2
Hole B22 central shaft is that symmetry axis is provided with two flange parts 21, and the center of end cap 4 is provided with perforate 42, and the marginal end of perforate 42 is provided with
Two groove millings 41, two groove millings 41 are centrosymmetric using the central shaft of perforate 42 as axle, and two groove millings 41 and two flange parts
21 shape adaptations.
Wherein, the horseshoe 6 has a two panels, forms two necks 61 between two panels horseshoe 6, the shape of neck 61 with
The shape adaptation of lip portions 21.
Wherein, the screw A11 and screw B22 is concentric axis hole, and screw A11 and screw B22 with same bolt
It is detachably connected.
Wherein, the sealing gasket for end cover mouth is provided between the closure 1 and end cap 4.
Wherein, the end cap 4, closure 1, the cross section of clamp 2 are circle.
The course of work is：Screwed in using die nut by operating the screw B 22 of clamp 2 in the perforate 42 of end cap 4, it is convex
Edge 21 and the form fit of groove milling 41, fuse 5 is screwed in insulated porcelain sleeve 7 by the ellipsoid of clamp 2, and is turned clockwise about 30 °,
Into the neck 61 of insulated porcelain sleeve 7, then sealing ring, closure 1 are installed in the outside of end cap 4 successively, and are sequentially passed through using bolt
Screw A11, screw B22, disassembly sequence are opposite.
And in unloading process, because binding post 3 is arranged on the edge part of end cap 4, therefore when changing fuse 1, it is not necessary to tear open
Except lead, the whole replacing working time is short, and coordinating without more people to complete, and installation quality is good, and installation effectiveness is high.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (6)
1. a kind of new 35kVPT fuses fusion tube fast dismounting and assembling terminal cover, including fuse (5), it is assemblied in fuse (5) end
Wiring end cap, one end of fuse (5) be connected with insulated porcelain sleeve (7), it is characterised in that：The wiring end cap includes being fixed on
The horseshoe (6) of insulated porcelain sleeve (7), the end cap (4) for connecting lead wire, the clamp (2) for fixing fuse (5), it is used for
The closure (1) of end cover (4), the edge part of end cap (4) are provided with binding post (3), and clamp (2) screws in end cap (4) inside, and
Closure (1) uses screwed connection with end cap (4), and clamp (2) engages with horseshoe (6), by end cap (4) and insulated porcelain sleeve (7)
It is fixed.
A kind of 2. new 35kVPT fuses fusion tube fast dismounting and assembling terminal cover according to claim 1, it is characterised in that：It is described
The center of closure (1) is provided with screw A (11), and the center of clamp (2) is provided with screw B (22), with screw B (22) on clamp (2)
Central shaft be respectively equipped with a flange part (21) for the both ends of symmetry axis, the center of end cap (4) is provided with perforate (42), perforate
(42) marginal end is provided with two groove millings (41), and two groove millings (41) are centrosymmetric using the central shaft of perforate (42) as axle, and two
Individual groove milling (41) and two flange part (21) shape adaptations.
A kind of 3. new 35kVPT fuses fusion tube fast dismounting and assembling terminal cover according to claim 2, it is characterised in that：It is described
Horseshoe (6) has two panels, and two necks (61), shape and the lip portions (21) of neck (61) are formed between two panels horseshoe (6)
Shape adaptation.
A kind of 4. new 35kVPT fuses fusion tube fast dismounting and assembling terminal cover according to claim 2, it is characterised in that：It is described
Screw A (11) and screw B (22) is concentric axis hole, and screw A (11) and screw B (22) detachably connects with same bolt
Connect.
A kind of 5. new 35kVPT fuses fusion tube fast dismounting and assembling terminal cover according to claim 1, it is characterised in that：It is described
The sealing gasket for end cover mouth is provided between closure (1) and end cap (4).
A kind of 6. new 35kVPT fuses fusion tube fast dismounting and assembling terminal cover according to claim 1, it is characterised in that：It is described
End cap (4), closure (1), the cross section of clamp (2) are circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721028385.8U CN207149510U (en) | 2017-08-16 | 2017-08-16 | A kind of new 35kVPT fuses fusion tube fast dismounting and assembling terminal cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721028385.8U CN207149510U (en) | 2017-08-16 | 2017-08-16 | A kind of new 35kVPT fuses fusion tube fast dismounting and assembling terminal cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207149510U true CN207149510U (en) | 2018-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721028385.8U Active CN207149510U (en) | 2017-08-16 | 2017-08-16 | A kind of new 35kVPT fuses fusion tube fast dismounting and assembling terminal cover |
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| CN (1) | CN207149510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112289659A (en) * | 2020-10-12 | 2021-01-29 | 贵州电网有限责任公司 | Special high-voltage fuse of repeatedly usable's voltage transformer |
-
2017
- 2017-08-16 CN CN201721028385.8U patent/CN207149510U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112289659A (en) * | 2020-10-12 | 2021-01-29 | 贵州电网有限责任公司 | Special high-voltage fuse of repeatedly usable's voltage transformer |
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