CN209312660U - Compact rubber pole - Google Patents
Compact rubber pole Download PDFInfo
- Publication number
- CN209312660U CN209312660U CN201920076582.XU CN201920076582U CN209312660U CN 209312660 U CN209312660 U CN 209312660U CN 201920076582 U CN201920076582 U CN 201920076582U CN 209312660 U CN209312660 U CN 209312660U
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- Prior art keywords
- bus
- vacuum interrupter
- installation cavity
- highway uhw
- installing arm
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Abstract
A kind of compact rubber pole, including pole matrix, the pole matrix is formed by castable rubber, the side of pole matrix is equipped with bus installing arm, Up Highway UHW is installed in the bus installing arm, one end of the Up Highway UHW extends between the vacuum interrupter installation cavity and rear plugging hole, the other end of Up Highway UHW extends to the enterprising bus base, copper piece is installed on the enterprising bus base, the copper piece and the Up Highway UHW weld, mesopore is equipped between the vacuum interrupter installation cavity and the bus installing arm, isolation knife static contact is installed on lower wire outlet seat, vacuum interrupter installation cavity one end is connected to lower cavity, the other end of vacuum interrupter installation cavity is connected to rear plugging hole, epoxy blocking is removably sealed and installed with after described on plugging hole, pass through mesopore and bus installing arm Up Highway UHW and vacuum interrupter are separated, can more effectively reduce the induced voltage between bus and vacuum interrupter, and effectively prevent puncturing.
Description
Technical field
The utility model relates to electrical equipments, more particularly to a kind of compact rubber pole.
Background technique
Vacuum circuit breaker is generally used for the control and protection of the high-tension line of 12kV-40.5kV, is widely used in various
In network system, fast-developing with national grid becomes new, to higher and higher for transmission & distribution requirement on electric performance, especially to novel
Vacuum circuit breaker control switch performance requirement it is higher, so needing a kind of relatively advanced, high height of good conductivity, security performance
Control switch is pressed to coordinate.And existing vacuum circuit breaker control switch, i.e. pole, it is multiple that pole is different from insulated barrel-type
Insulation is closed, is by automatic pressure gelation process sealing by vacuum interrupter and conducting connecting part epoxy resin into pole.It passes
The pole of system mainly by the way that vacuum interrupter is poured in epoxy resin-matrix body, forms a complete pole, upper mother
It needs to improve its insulation performance using a kind of stable megohmite insulant between line and vacuum interrupter, while guaranteeing its leakproofness.
Since the induced voltage between Up Highway UHW and vacuum interrupter is stronger, when adding high voltage, electric field will focus on certain spikes
End, and form high electric field in end, point-like electron caused to emit.Although electron stream is minimum, due to the sectional area of spike
It is minimum, when field emission electric current flows through these spikes, them can be made to generate heat, melt and evaporate a large amount of metallic vapours.Work as electricity
When son passes through metallic vapour, ionizes metallic atom and cause to puncture megohmite insulant.In this regard, it is necessary to develop a sealing pole
Column, it is compact-sized, it can effectively reduce the induced voltage between bus and vacuum interrupter, prevent from puncturing.
Utility model content
In view of the problem that exists in the prior art, the utility model provides compact rubber pole, the pole
Simple and compact for structure, good airproof performance, insulation performance is reliable.
The technical solution adopted in the utility model is compact rubber pole, including pole matrix is described solid
Sealed pole matrix includes enterprising bus base, lower wire outlet seat, vacuum interrupter installation cavity, lower cavity and rear plugging hole, described
Pole matrix is formed by castable rubber, and the side of pole matrix is equipped with bus installing arm, in the bus installing arm
Up Highway UHW is installed, one end of the Up Highway UHW extends between the vacuum interrupter installation cavity and rear plugging hole, Up Highway UHW
The other end extend to the enterprising bus base, copper piece is installed, the copper piece and the Up Highway UHW on the enterprising bus base
Welding is equipped with mesopore, is equipped with isolation on lower wire outlet seat between the vacuum interrupter installation cavity and the bus installing arm
Knife static contact, vacuum interrupter installation cavity one end are connected to lower cavity, and the other end of vacuum interrupter installation cavity is with after
Plugging hole is connected to, and is removably sealed and installed with epoxy blocking on the rear plugging hole.
Further, the two sides width of the mesopore is not less than 25 millimeters.
Further, the thickness of being isolated between the mesopore and the vacuum interrupter installation cavity is not less than 17 millimeters,
Thickness is isolated not less than 7 millimeters between mesopore and the Up Highway UHW.
Further, the outer surface of the pole matrix is correspondingly arranged on external shed, and the external shed respectively corresponds
The peripheral sidewall of the bus installing arm, rear plugging hole, lower cavity and vacuum interrupter installation cavity is set.
Further, the outer end of the lower cavity is equipped with the stepped groove for disposing sealing ring, and the sealing ring passes through
Screw is fixed on the stepped groove.
Further, the external shed is made of multiple bulge loops, and multiple bulge loops are blocked up along the bus installing arm, afterwards
The axial direction of the peripheral sidewall of consent, lower cavity and vacuum interrupter installation cavity is evenly spaced on.
Further, the bus installing arm is inverted l-shaped structure, is equipped with mounting hole, the Up Highway UHW in bus installing arm
Surface sand-blasting, Up Highway UHW and the mounting hole are fitted close.
Further, the lower cavity is equipped with fixed screw holes, institute far from the side of the vacuum interrupter installation cavity
Fixed screw holes are stated for installing threaded rod.
The utility model has the beneficial effects that
1, the compact rubber pole of the application is using high-strength rubber as material, and elasticity is good, soft, can be with true
The vacuum bubbles of empty arc-chutes are fitted close, and are not easy to relax, and have insulation performance height, safer, environmentally friendly (recyclable), environment adapts to
The advantages that property is strong, simple and compact for structure, good airproof performance.
2, with traditional Up Highway UHW with directly compared with the mode that insulating materials separates, the application is adopted between vacuum interrupter
Up Highway UHW and vacuum interrupter are separated with mesopore and bus installing arm, can more effectively reduce Up Highway UHW and vacuum interrupter it
Between induced voltage, and can effectively prevent puncturing.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model pole matrix；
Fig. 2 is the structural schematic diagram of the utility model pole matrix；
Fig. 3 is the side schematic view of the utility model pole matrix.
It is made the following instructions in conjunction with attached drawing:
1, pole matrix；11, enterprising bus base；12, lower wire outlet seat；13, vacuum interrupter installation cavity；14, lower part
Cavity；15, mesopore；16, fixed screw holes；17, external shed；18, stepped groove；19, rear plugging hole；2, Up Highway UHW；3, bus
Installing arm；4, isolation knife static contact；5, copper piece.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be to be connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
As shown in Figure 1-Figure 3, compact rubber pole, including pole matrix 1, the pole matrix 1
It is described including enterprising bus base 11, lower wire outlet seat 12, vacuum interrupter installation cavity 13, lower cavity 14 and rear plugging hole 19
Pole matrix 1 is formed by castable rubber (injection molding), and the side of pole matrix 1 is equipped with bus installing arm 3, the mother
Up Highway UHW 2 is installed, one end of the Up Highway UHW 2 extends to the vacuum interrupter installation cavity 13 and blocks up with rear in line installing arm 3
Between consent 19, the other end of Up Highway UHW 2 extends to the enterprising bus base 11, is equipped with copper piece on the enterprising bus base 11
5, the copper piece 5 is welded with the Up Highway UHW 2, is equipped between the vacuum interrupter installation cavity 13 and the bus installing arm 3
Mesopore 15 is equipped with isolation knife static contact 4, described 13 one end of vacuum interrupter installation cavity and lower cavity on lower wire outlet seat 12
14 connections, the other end of vacuum interrupter installation cavity 13 are connected to rear plugging hole 19, removably close on the rear plugging hole 19
Envelope is equipped with epoxy blocking (not shown), and the epoxy blocking is for being fixed on vacuum interrupter for the other end of Up Highway UHW 2
Side.Moreover, the pole matrix 1 of the application is that integral type rubber-covered sleeve will not compared with epoxy resin prepolymer sealing
Because epoxy resin pole one-piece casting low probability damages the problem of vacuum interrupter, it is convenient for changing and recycling and reusing, saves
Cost and more environmentally-friendly, and mesopore and bus installing arm separate Up Highway UHW and vacuum interrupter, can more effectively reduce
Induced voltage between bus 2 and vacuum interrupter, and can effectively prevent puncturing.
More preferably, in order to increase the distance between the vacuum interrupter installation cavity 13 and described Up Highway UHW 2, described in reduction
The two sides width of induced voltage between Up Highway UHW 2 and vacuum interrupter, the mesopore 15 is not less than 25 millimeters, the gap
Thickness is isolated not less than 17 millimeters between hole 15 and the vacuum interrupter installation cavity 13, mesopore 15 and the Up Highway UHW 2
Between isolation thickness be not less than 7 millimeters, i.e., the distance between the described Up Highway UHW 2 and vacuum interrupter are not less than 49 millimeters.More
Detailed, in the present embodiment, the two sides width of the mesopore 15 is 30 millimeters, the mesopore 15 and the vacuum extinction
Isolation between room installation cavity 13 is with a thickness of 20 millimeters, being isolated with a thickness of 8 millimeters between mesopore 15 and the Up Highway UHW 2,
At this point, the induced voltage between the Up Highway UHW 2 and vacuum interrupter (not shown) is 0.2V, induced voltage is lower, can not make
It obtains metallic atom ionization and causes to puncture.
The outer surface of the pole matrix 1 is correspondingly arranged on external shed 17, and the external shed 17 respectively corresponds setting
It is described in the peripheral sidewall of the bus installing arm 3, rear plugging hole 19, lower cavity 14 and vacuum interrupter installation cavity 13
External shed 17 is made of multiple bulge loops, and multiple bulge loops are along the bus installing arm 3, rear plugging hole 19, lower cavity 14
And the axial direction of the peripheral sidewall of vacuum interrupter installation cavity 13 is evenly spaced on.Sealing can be improved in the external shed 17
Pole over the ground and alternate insulating requirements, improves the ability of pole antiarcing-over, salt spray proof and the pollution of anti-dust, what is made consolidates
Sealed pole matrix 1 is much larger than electrical standard along face creep distance, sufficiently meets electric product safe operation, further, since external shed
Peripheral sidewall of the 17 ring cloth in the bus installing arm 3 and vacuum interrupter installation cavity 13, exumbrella in the bus installing arm 3
Skirt 17 is corresponding with the external shed 17 of the vacuum interrupter installation cavity 13, so that internal increase is formed in mesopore 15 climbs structure,
The insulation distance of Up Highway UHW 2 Yu vacuum interrupter preferably is improved, guarantees that its is safe and reliable to operation.
More preferably, in order to further enhance the sealing performance of pole matrix 1, the outer end of the lower cavity 14 is equipped with
For disposing the stepped groove 18 of sealing ring, the sealing ring is fixed by screws on the stepped groove 18, when assembly, described
18 sets of upper seals of stepped groove prevent external moisture from entering to guarantee the airtightness of product, guarantee that product operates normally.
In more detail, the bus installing arm 3 is inverted l-shaped structure, is equipped with mounting hole, the upper mother in bus installing arm 3
The surface sand-blasting of line 2, Up Highway UHW 2 and the mounting hole are fitted close, seamless, guarantee that Up Highway UHW 2 is firm.It, will be upper when installation
One end of bus 2 is protruded into from enterprising bus base 11, is pushed Up Highway UHW 2 mobile, is extended one end of Up Highway UHW 2 across mounting hole
To between the vacuum interrupter installation cavity 13 and rear plugging hole 19, copper piece 5 is welded on to one end of Up Highway UHW 2, by copper piece 5
It is blocked in enterprising bus base 11, then plugging hole 19 is pressed into epoxy blocking backward, and one end of Up Highway UHW 2 is fixed.
The lower cavity 14 is equipped with fixed screw holes 16 far from the side of the vacuum interrupter installation cavity 13, described solid
Determining screw hole 16 can be fixed on the cabinet by installation threaded rod for installing threaded rod, the pole matrix 1.
Working principle: vacuum interrupter (not shown) is using rear assembly technology, by the true of vacuum interrupter (not shown)
Vacuole interference fit is pressed into the vacuum interrupter installation cavity 13 of prefabricated pole matrix 1, and vacuum bubbles static side is gone out with vacuum
The fitting of 13 bottom of arc chamber installation cavity, rotating threaded rod lock vacuum interrupter and pole matrix 1, without refilling absolutely
Up Highway UHW 2 can be mounted in bus installing arm 3 by edge sizing material after assembling vacuum interrupter, blocked and fixed with epoxy, dress
It can also be dismantled again with complete.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present invention can conceive without creative work makes many modifications and variations.Therefore, it is all in the art
Technical staff passes through logical analysis, reasoning, or a limited experiment according to the design of the utility model on the basis of existing technology can
It, all should be within the scope of protection determined by the claims with obtained technical solution.
Claims (8)
1. a kind of compact rubber pole, including pole matrix (1), the pole matrix (1) includes enterprising
Bus base (11), lower wire outlet seat (12), vacuum interrupter installation cavity (13), lower cavity (14) and rear plugging hole (19),
It is characterized in that, the pole matrix (1) is formed by castable rubber, and the side of pole matrix (1) is installed equipped with bus
Arm (3), the bus installing arm (3) is interior to be equipped with Up Highway UHW (2), and one end of the Up Highway UHW (2) extends to the vacuum and goes out
Between arc chamber installation cavity (13) and rear plugging hole (19), the other end of Up Highway UHW (2) extends to the enterprising bus base (11), institute
It states and is equipped on enterprising bus base (11) copper piece (5), the copper piece (5) and the Up Highway UHW (2) are welded, the vacuum interrupter
Mesopore (15) are equipped between installation cavity (13) and the bus installing arm (3), it is quiet to be equipped with isolation knife on lower wire outlet seat (12)
Contact (4), described vacuum interrupter installation cavity (13) one end are connected to lower cavity (14), vacuum interrupter installation cavity (13)
The other end is connected to rear plugging hole (19), is removably sealed and installed with epoxy blocking on the rear plugging hole (19).
2. compact rubber pole according to claim 1, which is characterized in that the two sides of the mesopore (15) are wide
Degree is not less than 25 millimeters.
3. compact rubber pole according to claim 1, which is characterized in that the mesopore (15) and described true
Isolation thickness between empty arc-chutes installation cavity (13) is not less than 17 millimeters, between mesopore (15) and the Up Highway UHW (2)
Thickness is isolated and is not less than 7 millimeters.
4. compact rubber pole according to claim 1, which is characterized in that the pole matrix (1)
Outer surface is correspondingly arranged on external shed (17), and the external shed (17) respectively corresponds setting and blocks up in the bus installing arm (3), afterwards
The peripheral sidewall of consent (19), lower cavity (14) and vacuum interrupter installation cavity (13).
5. compact rubber pole according to claim 1, which is characterized in that the outer end of the lower cavity (14)
Equipped with the stepped groove (18) for disposing sealing ring, the sealing ring is fixed by screws on the stepped groove (18).
6. compact rubber pole according to claim 4, which is characterized in that the external shed (17) is by multiple convex
Ring composition, multiple bulge loops go out along the bus installing arm (3), rear plugging hole (19), lower cavity (14) and vacuum
The axial direction of the peripheral sidewall of arc chamber installation cavity (13) is evenly spaced on.
7. compact rubber pole according to claim 1, which is characterized in that the bus installing arm (3) is inverted L
Shape structure, bus installing arm (3) is interior to be equipped with mounting hole, the surface sand-blasting of the Up Highway UHW (2), Up Highway UHW (2) and the installation
Hole is fitted close.
8. compact rubber pole according to claim 1, which is characterized in that the lower cavity (14) is far from institute
The side for stating vacuum interrupter installation cavity (13) is equipped with fixed screw holes (16), and the fixed screw holes (16) are for installing screw thread
Bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920076582.XU CN209312660U (en) | 2019-01-17 | 2019-01-17 | Compact rubber pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920076582.XU CN209312660U (en) | 2019-01-17 | 2019-01-17 | Compact rubber pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209312660U true CN209312660U (en) | 2019-08-27 |
Family
ID=67681083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920076582.XU Active CN209312660U (en) | 2019-01-17 | 2019-01-17 | Compact rubber pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209312660U (en) |
-
2019
- 2019-01-17 CN CN201920076582.XU patent/CN209312660U/en active Active
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