CN107681619A - A kind of 35kv cables cold-shrinkable terminal - Google Patents
A kind of 35kv cables cold-shrinkable terminal Download PDFInfo
- Publication number
- CN107681619A CN107681619A CN201711164137.0A CN201711164137A CN107681619A CN 107681619 A CN107681619 A CN 107681619A CN 201711164137 A CN201711164137 A CN 201711164137A CN 107681619 A CN107681619 A CN 107681619A
- Authority
- CN
- China
- Prior art keywords
- tube body
- hollow insulation
- insulation tube
- cold
- support tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/04—Cable-end sealings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/06—Cable terminating boxes, frames or other structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/06—Cable terminating boxes, frames or other structures
- H02G15/064—Cable terminating boxes, frames or other structures with devices for relieving electrical stress
Landscapes
- Insulating Bodies (AREA)
Abstract
The invention discloses a kind of 35kv cables cold-shrinkable terminal, including hollow insulation tube body, the hollow insulation tube body is divided into straight length portion and curved section part, the straight length portion is integrally formed with the curved section part, the both sides of the hollow insulation tube body are provided with several full skirts, and the full skirt is located at the both sides of the straight length portion, the inside of the hollow insulation tube body is additionally provided with support tube, and the support tube is wound on the inside of the hollow insulation tube body and forms hollow tubular structure.Beneficial effect：By the way that the hollow insulation tube body is used into silica gel material, contractive effect is good, and by using support tube described in type inflatable, in the deflated condition, improve the support tube is adhered effect；By the compression set of setting, compactness is improved；It in addition, by the sealing device of setting, can be very good to play the effect of sealing, greatly improve its water resistance, simple in construction, usability is strong.
Description
Technical field
The present invention relates to field of cable technology, it particularly relates to a kind of 35kv cables cold-shrinkable terminal.
Background technology
Cold-shrink cable terminal is to be injected using elastomeric material (conventional has silicon rubber and EP rubbers) in factory
Sulfidization molding, then through part that is expanding, being lined with the various cable accessories of plastic spiral supporter composition.During in-site installation, by these
Predilation part is enclosed on cable end piece or joint after treatment, extracts the plastic spiral bar (supporter) of internal support, pressure out
The cable accessory tightly formed on cable insulation.Because it is to lean on elastic recovery force at normal temperatures, rather than as thermal contraction electricity
The fiery heat shrink of cable fittings, therefore it is commonly called as cold events cable accessory.
With the fast development of science and technology, the cold-shrinkable terminal of cable obtains universal application；But cold-shrinkable terminal makes
It is supported for a long time, it is necessary to use support tube during, the time is longer, pressure meeting of the support tube by radial direction
Allow it to deform, cause to become waste product；In addition, cold-shrinkable terminal easily causes elasticity not because long-time is in the state of stretching
It is enough, there is sealing variation, cause the steam in the external world to enter, reduce its service life.
The problem of in correlation technique, effective solution is not yet proposed at present.
The content of the invention
The problem of in correlation technique, the present invention proposes a kind of 35kv cables cold-shrinkable terminal, to overcome existing related skill
Above-mentioned technical problem present in art.
The technical proposal of the invention is realized in this way：
A kind of 35kv cables cold-shrinkable terminal, including hollow insulation tube body, the hollow insulation tube body are divided into straightway
Part and curved section part, the straight length portion are integrally formed with the curved section part, the hollow insulation tube body
Both sides are provided with several full skirts, and the full skirt is located at the both sides of the straight length portion, hollow the interior of tube body that insulate
Portion is additionally provided with support tube, and the support tube is wound on the inside of the hollow insulation tube body and forms hollow tubular knot
Structure, one end of the support tube is hatch frame, and the opening of the support tube is provided with passage, is installed in the passage
There is valve element, sealing device is provided with the passage.
The sealing device includes adapter sleeve, raised inner ring, bolt, sealing ring, small washer and large washer, the adapter sleeve
It is connected to the end of the hollow insulation tube body, the inner band of the adapter sleeve has a raised inner ring, in the projection
The sealing ring is provided with circle, and the upper surface of the raised inner ring and the sealing ring is in contact with the large washer, described
The one end of large washer away from the sealing ring is connected with big envelope, and the small washer is contacted with the lower surface of the sealing ring in simultaneously
It is placed in the raised inner ring, the bolt and the adapter sleeve threaded engagement are simultaneously in contact with the small washer, the valve element
Bolt, the small washer, the sealing ring and the large washer described in priority hermetically passing.
Also have on the inwall of the hollow insulation tube body and be provided with some grooves, compression set, institute are provided with the groove
Stating compression set includes collets, accommodating chamber, connecting rod, cross bar, slide plate, hinge-rod, spring one and spring two, wherein, it is described
Collets are located at the outer wall of the support tube, and the one end of the collets away from the support tube is connected with the connecting rod
Connect, the spring one is arranged with the connecting rod, the one end of the connecting rod away from the collets extends to the receiving
Intracavitary is simultaneously connected with the cross bar, and the accommodating chamber is located at the bottom of the groove, and the centre position of the cross bar is away from institute
The one end for stating connecting rod is provided with the hinge-rod, and the both ends of the cross bar and the hinge-rod are respectively positioned on the slide plate side
In chute, the slide plate is arranged on the inside of the accommodating chamber, and several are provided between the slide plate and the inwall of the groove
The spring two.
Further, stress tube is provided with the hollow insulation tube body, and the stress tube is located at the curved section portion
In point.
Further, stress cone is installed in the stress tube.
Further, the full skirt is provided with protective cover with the opening position that the hollow insulation tube body is connected.
Further, the hollow insulation body and the support tube use silica gel material.
Further, it is connected with spring three between the hinge-rod.
Further, the number of the full skirt is 10.
Beneficial effects of the present invention：By the way that the hollow insulation tube body is used into silica gel material, contractive effect is good, passes through
Using support tube described in type inflatable, in the deflated condition, improve the support tube is adhered effect；By described in setting
Compression set, improve compactness；In addition, by the sealing device of setting, can be very good to play the effect of sealing, significantly
Raising its water resistance, suitable for each occasion, positive effect is simple in construction, and usability is strong.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of structural representation of 35kv cables cold-shrinkable terminal according to embodiments of the present invention；
Fig. 2 is the structural representation of sealing device in a kind of 35kv cables cold-shrinkable terminal according to embodiments of the present invention；
Fig. 3 is the structural representation of compression set in a kind of 35kv cables cold-shrinkable terminal according to embodiments of the present invention.
In figure：
1st, hollow insulation tube body；2nd, compression set；3rd, groove；4th, straight length portion；5th, big envelope；6th, sealing device；7、
Support tube；8th, full skirt；9th, protective cover；10th, stress cone；11st, stress tube；12nd, curved section part；13rd, passage；14th, connecting rod；
15th, cross bar；16th, slide plate；17th, accommodating chamber；18th, spring three；19th, spring two；20th, hinge-rod；21st, spring one；22nd, valve element；23、
Sealing ring；24th, large washer；25th, bolt；26th, small washer；27th, raised inner ring；28th, collets；29th, adapter sleeve.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained, belong to what the present invention protected
Scope.
According to an embodiment of the invention, there is provided a kind of 35kv cables cold-shrinkable terminal.
As Figure 1-3,35kv cable cold-shrinkable terminals according to embodiments of the present invention, including hollow insulation tube body 1, institute
State hollow insulation tube body 1 to divide for straight length portion 4 and curved section part 12, the straight length portion 4 and the curved section portion
12 are divided to be integrally formed, the both sides of the hollow insulation tube body 1 are provided with several full skirts 8, and the full skirt 8 is located at the straight line
The both sides of section part 4, the inside of the hollow insulation tube body 1 are additionally provided with support tube 7, and the support tube 7 is wound on institute
State the inside of hollow insulation tube body 1 and form hollow tubular structure, one end of the support tube 7 is hatch frame, and described
The opening of support tube 7 is provided with passage 13, and valve element 22 is provided with the passage 13, sealing is provided with the passage 13
Device 6.
The sealing device 6 includes adapter sleeve 29, raised inner ring 27, bolt 25, sealing ring 23, small washer 26 and large washer
24, the adapter sleeve 29 is connected to the end of the hollow insulation tube body 1, and the inner band of the adapter sleeve 29 has described convex
Play inner ring 27, be provided with the sealing ring 23 in the raised inner ring 27, the raised inner ring 27 and the sealing ring 23 it is upper
End face is in contact with the large washer 24, and the one end of the large washer 24 away from the sealing ring 23 is connected with big envelope 5, described
Small washer 26 contacted with the lower surface of the sealing ring 23 and in be placed in the raised inner ring 27, the bolt 25 and the company
The threaded engagement of female connector 29 is simultaneously in contact with the small washer 26, bolt 25 described in the priority hermetically passing of valve element 22, described small
Packing ring 26, the sealing ring 23 and the large washer 24.
Also have on the inwall of the hollow insulation tube body 1 and be provided with some grooves 3, compression set is provided with the groove 3
2, the compression set 2 includes collets 28, accommodating chamber 17, connecting rod 14, cross bar 15, slide plate 16, hinge-rod 20, spring 1
With spring 2 19, wherein, the collets 28 are located at the outer wall of the support tube 7, and the collets 28 are away from the support
One end of pipe 7 is connected with the connecting rod 14, and the spring 1 is arranged with the connecting rod 14, and the connecting rod 14 is remote
One end from the collets 28 extends in the accommodating chamber 17 and is connected with the cross bar 15, and the accommodating chamber 17 is located at
The bottom of the groove 3, the one end of the centre position of the cross bar 15 away from the connecting rod 14 are provided with the hinge-rod 20, and
The both ends of the cross bar 15 and the hinge-rod 20 are respectively positioned in the chute of the side of slide plate 16, and the slide plate 16 is arranged on institute
The inside of accommodating chamber 17 is stated, several described springs 2 19 are provided between the inwall of the slide plate 16 and the groove 3.
In one embodiment, stress tube 11 is provided with the hollow insulation tube body 1, and the stress tube 11 is located at institute
State in curved section part 12.
In one embodiment, stress cone 10 is installed in the stress tube 11.By being installed in the stress tube 11
The stress cone 10, the hollow insulation tube body 1 can be avoided to slide.
In one embodiment, the full skirt 8 is provided with protective cover with the opening position that the hollow insulation tube body 1 is connected
9.By the protective cover 9 of setting, avoid producing ponding in junction, creepage phenomenon occur.
In one embodiment, the hollow insulation body 1 and the support tube 7 use silica gel material.Using silica gel
Material, improve retractility.
In one embodiment, it is connected with spring 3 18 between the hinge-rod 20.
In one embodiment, the number of the full skirt 8 is 10.
By means of the above-mentioned technical proposal of the present invention, by hollow insulation tube body 1, the hollow insulation tube body 1 divides
For straight length portion 4 and curved section part 12, the straight length portion 4 is integrally formed with the curved section part 12, in described
The both sides of sky insulation tube body 1 are provided with several full skirts 8, and the full skirt 8 is located at the both sides of the straight length portion 4, described
The inside of hollow insulation tube body 1 is additionally provided with support tube 7, and the support tube 7 is wound on the hollow insulation tube body 1
Inside simultaneously forms hollow tubular structure, and one end of the support tube 7 is hatch frame, and the opening of the support tube 7 is provided with
Passage 13, valve element 22 is installed in the passage 13, sealing device 6 is provided with the passage 13.
The sealing device 6 includes adapter sleeve 29, raised inner ring 27, bolt 25, sealing ring 23, small washer 26 and large washer
24, the adapter sleeve 29 is connected to the end of the hollow insulation tube body 1, and the inner band of the adapter sleeve 29 has described convex
Play inner ring 27, be provided with the sealing ring 23 in the raised inner ring 27, the raised inner ring 27 and the sealing ring 23 it is upper
End face is in contact with the large washer 24, and the one end of the large washer 24 away from the sealing ring 23 is connected with big envelope 5, described
Small washer 26 contacted with the lower surface of the sealing ring 23 and in be placed in the raised inner ring 27, the bolt 25 and the company
The threaded engagement of female connector 29 is simultaneously in contact with the small washer 26, bolt 25 described in the priority hermetically passing of valve element 22, described small
Packing ring 26, the sealing ring 23 and the large washer 24.
Also have on the inwall of the hollow insulation tube body 1 and be provided with some grooves 3, compression set is provided with the groove 3
2, the compression set 2 includes collets 28, accommodating chamber 17, connecting rod 14, cross bar 15, slide plate 16, hinge-rod 20, spring 1
With spring 2 19, wherein, the collets 28 are located at the outer wall of the support tube 7, and the collets 28 are away from the support
One end of pipe 7 is connected with the connecting rod 14, and the spring 1 is arranged with the connecting rod 14, and the connecting rod 14 is remote
One end from the collets 28 extends in the accommodating chamber 17 and is connected with the cross bar 15, and the accommodating chamber 17 is located at
The bottom of the groove 3, the one end of the centre position of the cross bar 15 away from the connecting rod 14 are provided with the hinge-rod 20, and
The both ends of the cross bar 15 and the hinge-rod 20 are respectively positioned in the chute of the side of slide plate 16, and the slide plate 16 is arranged on institute
The inside of accommodating chamber 17 is stated, several described springs 2 19 are provided between the inwall of the slide plate 16 and the groove 3.
In summary, beneficial effects of the present invention：By the way that the hollow insulation tube body 1 is used into silica gel material, shrink
Effect is good, and by using support tube 7 described in type inflatable, in the deflated condition, improve the support tube 7 is adhered effect；
By the compression set 2 of setting, compactness is improved；In addition, by the sealing device 6 of setting, can be very good
To the effect of sealing, its water resistance is greatly improved, suitable for each occasion, positive effect is simple in construction, and usability is strong.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (7)
1. a kind of 35kv cables cold-shrinkable terminal, it is characterised in that including hollow insulation tube body (1), the hollow insulation tube sheet
Body (1) is divided into straight length portion (4) and curved section part (12), the straight length portion (4) and the curved section part (12)
It is integrally formed, the both sides of the hollow insulation tube body (1) are provided with several full skirts (8), and the full skirt (8) is positioned at described straight
The both sides of line segment part (4), the inside of the hollow insulation tube body (1) are additionally provided with support tube (7), and the support tube (7) twines
Around the inside for being arranged at the hollow insulation tube body (1) and hollow tubular structure is formed, one end of the support tube (7) is to open
Mouth structure, and the opening of the support tube (7) is provided with passage (13), and valve element (22) is provided with the passage (13),
Passage (13) place is provided with sealing device (6)；
The sealing device (6) includes adapter sleeve (29), raised inner ring (27), bolt (25), sealing ring (23), small washer (26)
With large washer (24), the adapter sleeve (29) is connected to the end of the hollow insulation tube body (1), the adapter sleeve (29)
Inner band have a raised inner ring (27), is provided with the sealing ring (23), the raised inner ring in the raised inner ring (27)
(27) and the upper surface of the sealing ring (23) is in contact with the large washer (24), and the large washer (24) is away from described close
One end of seal (23) is connected with big envelope (5), and the small washer (26) is contacted with the lower surface of the sealing ring (23) in simultaneously
Be placed in the raised inner ring (27), the bolt (25) with the adapter sleeve (29) threaded engagement and with the small washer (26)
Be in contact, bolt (25) described in valve element (22) the priority hermetically passing, the small washer (26), the sealing ring (23) and
The large washer (24)；
Also have on the inwall of the hollow insulation tube body (1) and be provided with some grooves (3), compression dress is provided with the groove (3)
Put (2), the compression set (2) include collets (28), accommodating chamber (17), connecting rod (14), cross bar (15), slide plate (16),
Hinge-rod (20), spring one (21) and spring two (19), wherein, the collets (28) are located at the outer wall of the support tube (7)
Place, the one end of the collets (28) away from the support tube (7) are connected with the connecting rod (14), the connecting rod (14)
On be arranged with the spring one (21), the one end of the connecting rod (14) away from the collets (28) extends to the accommodating chamber
(17) it is connected in and with the cross bar (15), the accommodating chamber (17) is located at the bottom of the groove (3), the cross bar (15)
The one end of centre position away from the connecting rod (14) be provided with the hinge-rod (20), and the cross bar (15) and the hinge
The both ends of bar (20) are respectively positioned in the chute of the slide plate (16) side, and the slide plate (16) is arranged on the accommodating chamber (17)
Several described springs two (19) are provided between the inwall of inside, the slide plate (16) and the groove (3).
A kind of 2. 35kv cables cold-shrinkable terminal according to claim 1, it is characterised in that the hollow insulation tube body
(1) stress tube (11) is provided with, and the stress tube (11) is located in the curved section part (12).
3. a kind of 35kv cables cold-shrinkable terminal according to claim 2, it is characterised in that installed in the stress tube (11)
There is stress cone (10).
A kind of 4. 35kv cables cold-shrinkable terminal according to claim 1, it is characterised in that the full skirt (8) with it is described in
The opening position that sky insulation tube body (1) is connected is provided with protective cover (9).
A kind of 5. 35kv cables cold-shrinkable terminal according to claim 1, it is characterised in that the hollow insulation body (1)
Silica gel material is used with the support tube (7).
6. a kind of 35kv cables cold-shrinkable terminal according to claim 1, it is characterised in that connect between the hinge-rod (20)
It is connected to spring three (18).
7. a kind of 35kv cables cold-shrinkable terminal according to claim 1, it is characterised in that the number of the full skirt (8) is
10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711164137.0A CN107681619A (en) | 2017-11-21 | 2017-11-21 | A kind of 35kv cables cold-shrinkable terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711164137.0A CN107681619A (en) | 2017-11-21 | 2017-11-21 | A kind of 35kv cables cold-shrinkable terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107681619A true CN107681619A (en) | 2018-02-09 |
Family
ID=61149034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711164137.0A Withdrawn CN107681619A (en) | 2017-11-21 | 2017-11-21 | A kind of 35kv cables cold-shrinkable terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107681619A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429553A (en) * | 2019-06-26 | 2019-11-08 | 安徽伊法拉电气有限公司 | A kind of 10kV shrinkage cable indoor terminal |
| CN112018716A (en) * | 2020-09-21 | 2020-12-01 | 安徽伊法拉电气股份有限公司 | Insulation protection device for quick connector in middle of flexible cable |
-
2017
- 2017-11-21 CN CN201711164137.0A patent/CN107681619A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429553A (en) * | 2019-06-26 | 2019-11-08 | 安徽伊法拉电气有限公司 | A kind of 10kV shrinkage cable indoor terminal |
| CN112018716A (en) * | 2020-09-21 | 2020-12-01 | 安徽伊法拉电气股份有限公司 | Insulation protection device for quick connector in middle of flexible cable |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180209 |