CN209298866U - A kind of cable mid head protective device - Google Patents
A kind of cable mid head protective device Download PDFInfo
- Publication number
- CN209298866U CN209298866U CN201920303004.5U CN201920303004U CN209298866U CN 209298866 U CN209298866 U CN 209298866U CN 201920303004 U CN201920303004 U CN 201920303004U CN 209298866 U CN209298866 U CN 209298866U
- Authority
- CN
- China
- Prior art keywords
- cable
- rubber ring
- annular seal
- seal plate
- protection pipe
- 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.)
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- 230000001681 protective effect Effects 0.000 title claims abstract description 13
- 230000008602 contraction Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model relates to a kind of cable mid head protective devices, belong to power cable technical field.Technical solution is: cable protection pipe (3) is located at outside cable mid head (2), and the both ends of cable protection pipe are respectively equipped with annular seal plate one (7) and annular seal plate two (9)；It shrinks rubber ring one (4) and extends out rubber ring one (5) and shrink rubber ring two (10) and extend out rubber ring two (11) and be respectively sleeved on the cable one (1) and cable two (8) at the internal both ends of cable protection pipe (3); it shrinks rubber ring one (4) and shrinks rubber ring two and pack tightly cable one and cable two respectively, the outer circumference surface for extending out rubber ring one (5) and extending out rubber ring two is close to cable protection inside pipe wall.The sealing facilities of the cooperation outside diameter of cable is installed at the cable protection pipe both ends of the utility model respectively, and water, moisture, corrosive liquids etc. is prevented to enter protection pipe；It plays a very good protection to cable mid head, reduces the failure rate of cable mid head.
Description
Technical field
The utility model relates to a kind of cable mid head protective devices, belong to power cable technical field.
Background technique
Cable connector is also known as end.After cable laying is good, in order to become a continuous route, each section of line is necessary
It is connected as an entirety, these tie points are known as cable connector.Among cable run the cable connector at position be known as in indirectly
Head (abbreviation medial head), and the cable connector of two end of route is known as terminals.Cable connector is for locking and fixing disengaging
Line plays the role of water proof and dust proof against shock.
Cable mid head is always the running weak link of 10kV power cable, first is that not having since mechanical strength is inadequate
There is mail protection to be more easier to be destroyed by external force；Second is that major part 10kV cable direct-burried is in underground, cable mid head be easy by
Tide is corroded, and insulation ag(e)ing is fast, be easy to cause ground connection or short trouble, causes power outage, and fault point is difficult to search,
Power off time is long.
Utility model content
The purpose of the utility model is to provide a kind of cable mid head protective device, cable protection pipe both ends are installed respectively matches
The sealing facilities of the outside diameter of cable is closed, water, moisture, corrosive liquids etc. is prevented to enter cable protection pipe；Cable mid head is played
Good protective effect reduces the failure rate of cable mid head, solves the above problem existing for background technique.
The technical solution of the utility model is:
A kind of cable mid head protective device, it is close comprising cable one, cable two, cable mid head, cable protection pipe, annular
Sealing plate one, annular seal plate two shrink rubber ring one, extend out rubber ring one, shrinking rubber ring two and extend out rubber ring two, described
One end of cable one is connected with one end of cable two by cable mid head, and cable protection pipe is located at outside cable mid head, electricity
The both ends of cable protection pipe are respectively equipped with annular seal plate one and annular seal plate two, and the other end of cable one is from annular seal plate one
Middle part is pierced by, and the other end of cable two is pierced by the middle part of annular seal plate two；It shrinks rubber ring one and extends out rubber ring one and receive
Contracting rubber ring two is respectively sleeved on the cable one and cable two at both ends inside cable protection pipe with rubber ring two is extended out, and is received
Contracting rubber ring one and contraction rubber ring two pack tightly cable one and cable two respectively, extend out rubber ring one and extend out the outer of rubber ring two
Periphery is close to cable protection inside pipe wall.
It the contraction rubber ring one and extends out rubber ring one and shrinks rubber ring two and extend out rubber ring two and be separately positioned on
On fixed frame one and fixed frame two；Fixed frame one is identical with two structure of fixed frame, and fixed frame one is that both ends of the surface are equipped with circular open
It is columnar structured, it is columnar structured to be set on cable one, be located at cable protection pipe in, shrink rubber ring one be arranged in cylinder
In shape structure, the setting of rubber ring one is extended out columnar structured outer.
The rubber ring one that extends out is adjacent with annular seal plate one, and it is adjacent with annular seal plate two to extend out rubber ring two；It receives
Contracting rubber ring one is adjacent with rubber ring one is extended out, and shrinks rubber ring two and to extend out rubber ring two adjacent.
The annular seal plate one is identical with two structure of annular seal plate, the diameter phase of internal diameter and cable one and cable two
Together, outer diameter is greater than the outer diameter of cable protection pipe.
The annular seal plate one and annular seal plate two are fixed with two ends of cable protection pipe respectively by bolt to be connected
It connects.
The cable protection pipe is MPP pipe, and anti-external force protection is strong, and the protection facility has been applied in 10kV cable at present
Between in head use.
MPP pipe is also known as MPP power cable protecting pipe.MPP pipe uses modified polypropene for main raw material(s).With anti-height
The characteristics of temperature, proof to external pressure, is suitable for 10kV or less high voltage transmission line cable duct bank tubing.
The cable protection pipe shrinks rubber ring one, extends out rubber ring one, shrinking rubber ring two and extend out rubber ring two and be
Common structure known in this field, there is sale in the market.
The good effect of the utility model: cable protection pipe both ends are installed by the sealing facilities of the cooperation outside diameter of cable, resistance respectively
Sealing, moisture, corrosive liquids etc. enter protection pipe；It plays a very good protection to cable mid head, reduces cable
The failure rate of medial head.
Detailed description of the invention
Fig. 1 is the utility model half section schematic；
Fig. 2 is the utility model full section structural schematic diagram；
Fig. 3 is one structural schematic diagram of the utility model fixed frame；
In figure: cable 1, cable protection pipe 3, shrinks rubber ring 1, extends out rubber ring 1, bolt cable mid head 2
6, annular seal plate 1, cable 28, annular seal plate 29, shrink rubber ring 2 10, extend out rubber ring 2 11, fixed frame one
12, fixed frame 2 13.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples:
A kind of cable mid head protective device includes cable 1, cable 28, cable mid head 2, cable protection pipe 3, ring
Shape sealing plate 1, annular seal plate 29 shrink rubber ring 1, extend out rubber ring 1, shrink rubber ring 2 10 and extend out rubber
Cushion rubber 2 11, one end of the cable 1 and one end of cable 28 are connected by cable mid head 2, and cable protection pipe 3 is located at
2 outside of cable mid head, the both ends of cable protection pipe 3 are respectively equipped with annular seal plate 1 and annular seal plate 29, cable 1
The other end be pierced by from the middle part of annular seal plate 1, the other end of cable 28 is pierced by from 29 middle part of annular seal plate；Shrink rubber
It cushion rubber 1 and extends out rubber ring 1 and shrinks rubber ring 2 10 and extend out rubber ring 2 11 and be respectively sleeved at positioned at cable protection
On the cable 1 and cable 28 at 3 inside both ends of pipe, shrinks rubber ring 1 and contraction rubber ring 2 10 packs tightly cable 1 respectively
With cable 28, extends out rubber ring 1 and extend out outer circumference surface abutting 3 inner wall of cable protection pipe of rubber ring 2 11.
The contraction rubber ring 1 and extend out rubber ring 1 and shrink rubber ring 2 10 and extend out rubber ring 2 11 distinguish
It is arranged on fixed frame 1 and fixed frame 2 13；Fixed frame 1 is identical with 2 13 structure of fixed frame, and fixed frame 1 is two
End face is equipped with the columnar structured of circular open, columnar structured to be set on cable 1, is located in cable protection pipe 3, shrinks
The setting of rubber ring 1 extends out the setting of rubber ring 1 columnar structured outer columnar structured interior；Fixed frame 2 13 is both ends
Face is equipped with the columnar structured of circular open, columnar structured to be set on cable 28, is located in cable protection pipe 3, shrinks rubber
The setting of cushion rubber 2 10 extends out rubber ring 2 11 and is arranged in columnar structured outer columnar structured interior
The rubber ring 1 that extends out is adjacent with annular seal plate 1, extends out rubber ring 2 11 and 29 phase of annular seal plate
It is adjacent；It is adjacent with rubber ring 1 is extended out to shrink rubber ring 1, shrinks rubber ring 2 10 and to extend out rubber ring 2 11 adjacent.
The annular seal plate 1 is identical with 29 structure of annular seal plate, the diameter of internal diameter and cable 1 and cable 28
Identical, outer diameter is greater than the outer diameter of cable protection pipe 3.
The rubber ring 1 that extends out is identical with 2 11 structure of rubber ring is extended out, and extends out rubber ring 1 and extends out rubber ring two
11 outer circumference surface is tightly bonded with the inner wall of cable protection pipe 3.
The contraction rubber ring 1 is identical with 2 10 structure of rubber ring is shunk, and shrinks rubber ring 1 and shrinks rubber ring two
10 pack tightly cable one and cable two respectively.
The annular seal plate 1 and annular seal plate 29 are solid with 3 two ends of cable protection pipe respectively by bolt 6
Fixed connection.
The annular seal plate 1 shrinks rubber ring 1, extends out rubber ring 1 and the composition sealing structure of fixed frame 1
One, annular seal plate 29 shrinks rubber ring 2 10, extends out rubber ring 2 11 and the composition sealing structure two of fixed frame 2 13.
Installation method:
Step 1: before cable mid head production, sealing structure one and sealing structure two are respectively fitted over cable one and cable
On two, then by cable protection pipe sleeve on cable one or cable two；
Step 2: after cable mid head completes, cable protection pipe is moved in cable from cable one or cable two
Between at head, protect end；
Step 3: sealing structure one and sealing structure two are fixed on cable protection pipe both ends, fastening bolt makes to shrink rubber
Cushion rubber one and contraction rubber ring two pack tightly cable one and cable two respectively, extend out rubber ring one and extend out rubber ring two and are close to cable
3 inner wall of protection pipe, plays hermetically sealed effect.
Claims (5)
1. a kind of cable mid head protective device, it is characterised in that: include cable one (1), cable two (8), cable mid head
(2), cable protection pipe (3), annular seal plate one (7), annular seal plate two (9), shrink rubber ring one (4), extend out rubber ring
One (5) shrink rubber ring two (10) and extend out rubber ring two (11), one end of the cable one (1) and one end of cable two (8)
It is connected by cable mid head (2), between cable protection pipe (3) setting in the cable outside head (2), the two of cable protection pipe (3)
End is respectively equipped with annular seal plate one (7) and annular seal plate two (9), and the other end of cable one (1) is from annular seal plate one (7)
Middle part is pierced by, and the other end of cable two (8) is pierced by the middle part of annular seal plate two (9)；It shrinks rubber ring one (4) and extends out rubber
It encloses one (5) and shrinks rubber ring two (10) and extend out rubber ring two (11) and be respectively sleeved at positioned at cable protection pipe (3) internal two
On the cable one (1) and cable two (8) at end, shrinks rubber ring one (4) and contraction rubber ring two (10) packs tightly cable one (1) respectively
With cable two (8), the outer circumference surface for extending out rubber ring one (5) and extending out rubber ring two (11) is close to cable protection pipe (3) inner wall.
2. a kind of cable mid head protective device according to claim 1, it is characterised in that: the contraction rubber ring one
(4) it and extends out rubber ring one (5) and shrinks rubber ring two (10) and extend out rubber ring two (11) and be separately positioned on fixed frame one
(12) and on fixed frame two (13)；Fixed frame one (12) is identical with fixed frame two (13) structure, and fixed frame one (12) is both ends of the surface
It is columnar structured to be set on cable one (1) equipped with the columnar structured of circular open, it is located in cable protection pipe (3), shrinks
Rubber ring one (4) setting extends out rubber ring one (5) setting columnar structured outer columnar structured interior.
3. a kind of cable mid head protective device according to claim 1, it is characterised in that: described to extend out rubber ring one
(5) adjacent with annular seal plate one (7), it is adjacent with annular seal plate two (9) to extend out rubber ring two (11)；Shrink rubber ring one
(4) with to extend out rubber ring one (5) adjacent, shrink rubber ring two (10) and to extend out rubber ring two (11) adjacent.
4. a kind of cable mid head protective device according to claim 1 or 2, it is characterised in that: the annular seal plate
One (7) are identical with annular seal plate two (9) structure, and internal diameter is identical as the diameter of cable one (1) and cable two (8), and outer diameter is greater than
The outer diameter of cable protection pipe (3).
5. a kind of cable mid head protective device according to claim 1 or 2, it is characterised in that: the annular seal plate
One (7) and annular seal plate two (9) are fixedly connected with (3) two ends of cable protection pipe respectively by bolt (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920303004.5U CN209298866U (en) | 2019-03-11 | 2019-03-11 | A kind of cable mid head protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920303004.5U CN209298866U (en) | 2019-03-11 | 2019-03-11 | A kind of cable mid head protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209298866U true CN209298866U (en) | 2019-08-23 |
Family
ID=67643398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920303004.5U Active CN209298866U (en) | 2019-03-11 | 2019-03-11 | A kind of cable mid head protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209298866U (en) |
-
2019
- 2019-03-11 CN CN201920303004.5U patent/CN209298866U/en active Active
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| GR01 | Patent grant |