CN220896259U - Dampproofing corrosion-resistant thermal contraction protective sleeve for power bus - Google Patents
Dampproofing corrosion-resistant thermal contraction protective sleeve for power bus Download PDFInfo
- Publication number
- CN220896259U CN220896259U CN202322577827.6U CN202322577827U CN220896259U CN 220896259 U CN220896259 U CN 220896259U CN 202322577827 U CN202322577827 U CN 202322577827U CN 220896259 U CN220896259 U CN 220896259U
- Authority
- CN
- China
- Prior art keywords
- outer tube
- notch
- protective sleeve
- connecting strip
- power bus
- 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.)
- Active
Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 21
- 230000007797 corrosion Effects 0.000 title claims abstract description 19
- 230000001681 protective effect Effects 0.000 title claims abstract description 17
- 230000008602 contraction Effects 0.000 title description 3
- 239000010410 layer Substances 0.000 claims description 19
- 239000004831 Hot glue Substances 0.000 claims description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 210000003811 finger Anatomy 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 210000003813 thumb Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulating Bodies (AREA)
- Cable Accessories (AREA)
Abstract
The utility model relates to the technical field of heat-shrinkable sleeves, in particular to a heat-shrinkable protective sleeve for a dampproof and corrosion-resistant power bus, which comprises an outer tube and an inner tube, wherein a plurality of annular reinforcing ribs are embedded in the outer tube, notches are formed in the inner side wall of the outer tube, the end faces of the notches are isosceles trapezoids, notches distributed at equal intervals are formed in the inner side walls, close to the outer side wall of the outer tube, of the notches, link assemblies are embedded in the notches, each link assembly comprises a connecting strip embedded in the corresponding notch, and an extending limiting piece attached to the inner wall of the corresponding notch is fixed on the bottom side of each connecting strip.
Description
Technical Field
The utility model relates to the technical field of heat-shrinkable sleeves, in particular to a moistureproof and corrosion-resistant heat-shrinkable protective sleeve for a power bus.
Background
Bus bars are a fundamental component in power transmission and distribution systems, typically large electrical wires composed of one or more conductors. The main function of the bus bar is to transfer electric power from a power source to various load devices, such as motors, lighting devices, home appliances, and the like. The heat-shrinkable sleeve has excellent flame retardance and insulating property, is very soft and elastic, has low shrinkage temperature and quick shrinkage, and can be widely applied to the protection work of the power bus.
The utility model of Chinese patent publication No. CN217035283U discloses an environment-friendly high-performance heat-shrinkable sleeve, which comprises a heat-shrinkable sleeve body, wherein the heat-shrinkable sleeve body comprises an anti-corrosion layer, an outer pipe body, a moisture-proof layer, an inner pipe body and an insulating layer; the anti-corrosion layer is arranged on the outer side of the outer pipe body; the outer pipe body is arranged on the outer side of the moisture-proof layer; the moisture-proof layer is arranged on the outer side of the inner pipe body; the inner pipe body is arranged on the outer side of the insulating layer. The existing heat shrinkage sleeve mainly comprises an inner tube and an outer tube, the inner tube belongs to an insulating layer, the outer tube belongs to a moisture-resistant anticorrosive layer, and a bus of the outer tube is required to be subjected to re-protection work after the outer tube is damaged, and the existing outer tube is a sealed wrapping layer and is inconvenient to disassemble and affects subsequent maintenance.
Disclosure of utility model
The utility model aims to provide a moistureproof and corrosion-resistant heat-shrinkable protective sleeve for a power bus, which solves the problems in the background technology.
The technical scheme of the utility model is as follows: the utility model provides a dampproofing corrosion-resistant thermal contraction protective sleeve for electric power generating line, includes outer tube and inner tube, the outer tube is embedded to be equipped with a plurality of annular strengthening ribs that distribute, the opening has been seted up on the outer tube inside wall, the terminal surface of opening is isosceles trapezoid, the opening is close to the notch that the equidistance was distributed has been seted up on the inside wall of outer tube lateral wall, the notch is embedded to be inserted and is linked the subassembly, link the subassembly including inlaying to be established connecting strip in the notch, the downside of connecting strip is fixed with the extension locating part of laminating with the opening inner wall.
The effects achieved by the components are as follows: through linking the outer tube near the subassembly until softening, will link the subassembly and continuously pull out in the breach, be convenient for peel off the work to the outer tube, extend the locating part and can prevent that the connecting strip from droing from the breach when outer tube and inner tube pyrocondensation are installed on the busbar, outer tube and inner tube pyrocondensation back connecting strip also can be attached on the busbar.
Preferably, inclined planes are arranged on two sides of the extending limiting piece, and the inner walls of the openings are attached to the inclined planes.
The effects achieved by the components are as follows: the inclined plane can form guiding action with the opening, and the connecting strip is convenient to pull out and separate from the opening.
Preferably, the connecting strip is embedded with a knitting wire.
The effects achieved by the components are as follows: the braided wire can increase the overall pulling strength of the connecting strip and prevent the connecting strip from breaking when being pulled by heating.
Preferably, a handle block is fixed at the top of the end head of the connecting strip, and finger grooves are formed in two sides of the handle block.
The effects achieved by the components are as follows: the staff can pull out the connecting strip fast through pinching the handle piece with the thumb and the index finger.
Preferably, a plurality of spiral grooves distributed in a ring shape are formed in the inner side of the inner tube, and hot melt adhesive is filled in the spiral grooves.
Preferably, the outer part of the outer tube is provided with a polytetrafluoroethylene layer, the inner side of the inner tube is provided with an insulating flame-retardant radiation crosslinked polyolefin layer, and a polyurethane dampproof paint layer is arranged at the interlayer of the outer tube and the inner tube.
The effects achieved by the components are as follows: the spiral groove and the hot-melt adhesive body can enable the inner tube to be uniformly attached to the outer wall of the bus by utilizing spiral tension when the outer tube and the inner tube are subjected to thermal shrinkage, and the hot-melt adhesive body can increase the adhesive acting force between the inner tube and the bus.
The utility model provides a moistureproof and corrosion-resistant heat-shrinkable protective sleeve for a power bus through improvement, and compared with the prior art, the moistureproof and corrosion-resistant heat-shrinkable protective sleeve has the following improvement and advantages:
According to the utility model, the outer tube near the connecting strip is heated until the connecting strip is softened, the linking component is continuously pulled out of the opening, so that the outer tube is conveniently peeled off, the integral pulling strength of the connecting strip can be increased by the braided wire, and the connecting strip is prevented from being broken when being heated and pulled.
Drawings
The utility model is further explained below with reference to the drawings and examples:
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic end view of the present utility model;
Fig. 3 is a schematic perspective view of a link assembly according to the present utility model.
Reference numerals illustrate:
1. An outer tube; 2. an inner tube; 3. reinforcing ribs; 4. a spiral groove; 5. a notch; 6. a linking component; 61. a connecting strip; 62. an extension limiter; 63. an inclined plane; 64. braiding wires; 65. a handle block; 66. finger grooves.
Detailed Description
The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a moistureproof and corrosion-resistant heat-shrinkable protective sleeve for a power bus through improvement, which comprises the following technical scheme:
In the embodiment of the utility model, as shown in figures 1-3, a heat-shrinkable protective sleeve for a dampproof and corrosion-resistant power bus comprises an outer tube 1 and an inner tube 2, wherein for the corrosion resistance of the outer tube 1 and the inner tube 2, a polytetrafluoroethylene layer is arranged outside the outer tube 1, an insulating flame-retardant radiation crosslinked polyolefin layer is arranged inside the inner tube 2, for the dampproof effect of the outer tube 1 and the inner tube 2 is improved, a polyurethane dampproof paint layer is arranged at the interlayer of the outer tube 1 and the inner tube 2, a plurality of annular-distributed reinforcing ribs 3 are embedded in the outer tube 1 for improving the overall strength of the outer tube 1, notches 5 are formed on the inner side wall of the outer tube 1, the end face of the notch 5 is isosceles trapezoid, notches are formed on the inner side wall of the notch 5 close to the outer side wall of the outer tube 1 and are equidistantly distributed, a link assembly 6 is embedded in the notches, the link assembly 6 comprises connecting strips 61 embedded in the notches, the bottom side of connecting strip 61 is fixed with the extension locating part 62 of laminating with opening 5 inner wall, the both sides of extension locating part 62 all are provided with inclined plane 63, the inner wall and the laminating of inclined plane 63 of opening 5, extension locating part 62 can prevent that connecting strip 61 from falling off from opening 5 when outer tube 1 and inner tube 2 pyrocondensation are installed on the busbar, connecting strip 61 also can attach on the busbar after outer tube 1 and inner tube 2 pyrocondensation, connecting strip 61 is embedded to be equipped with braided wire 64, braided wire 64 can increase connecting strip 61's whole and draw intensity, prevent that connecting strip 61 from heating and drawing the time fracture, connecting strip 61's end top is fixed with handle piece 65, finger groove 66 has been seted up to the both sides of handle piece 65, until softening through heating outer tube 1 near connecting strip 61, with link assembly 6 continuously pull out in opening 5, be convenient for peel off work to outer tube 1.
In the embodiment of the utility model, the inner side of the inner tube 2 is provided with a plurality of spiral grooves 4 which are distributed in a ring shape, the spiral grooves 4 are filled with hot melt adhesive, when the outer tube 1 and the inner tube 2 are heat-shrunk, the inner tube 2 and the outer wall of a bus can be uniformly attached by utilizing spiral tension, and the adhesion acting force between the inner tube 2 and the bus can be increased by the hot melt adhesive.
The working principle of the heat-shrinkable protective sleeve for the dampproof and corrosion-resistant power bus provided by the utility model is as follows: when the surface of the outer tube 1 is damaged and the dampproof and corrosion-resistant effects are lost, the outer tube 1 needs to be replaced, a worker uniformly heats the joint of the connecting assembly 6 and the outer tube 1 by using a flame gun, and after the outer tube 1 is softened, the handle block 65 is pinched by a thumb and an index finger, the connecting strip 61 is continuously pulled out from one end of the opening 5 by force, the notch between the surface of the outer tube 1 and the opening 5 is exposed, and the joint of the outer tube 1 and the opening 5 is torn by force directly and forcefully, so that the outer tube 1 is peeled off from the inner tube 2.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a dampproofing corrosion-resistant heat shrinkage protective sheath for electric power generating line, includes outer tube (1) and inner tube (2), outer tube (1) are embedded to be equipped with a plurality of annular distributed strengthening ribs (3), its characterized in that: the novel outer tube is characterized in that a notch (5) is formed in the inner side wall of the outer tube (1), the end face of the notch (5) is isosceles trapezoid, the notch (5) is close to a notch which is formed in the inner side wall of the outer tube (1) and distributed equidistantly, a link assembly (6) is embedded in the notch, the link assembly (6) comprises a connecting strip (61) embedded in the notch, and an extending limiting part (62) attached to the inner wall of the notch (5) is fixed on the bottom side of the connecting strip (61).
2. The moisture and corrosion resistant heat shrink protective sleeve for a power bus of claim 1, wherein: the two sides of the extending limiting piece (62) are respectively provided with an inclined surface (63), and the inner wall of the notch (5) is attached to the inclined surfaces (63).
3. The moisture and corrosion resistant heat shrink protective sleeve for a power bus of claim 1, wherein: the connecting strip (61) is embedded with a braided wire (64).
4. The moisture and corrosion resistant heat shrink protective sleeve for a power bus of claim 1, wherein: the top of the end head of the connecting strip (61) is fixedly provided with a handle block (65), and finger grooves (66) are formed in two sides of the handle block (65).
5. The moisture and corrosion resistant heat shrink protective sleeve for a power bus of claim 1, wherein: the inner side of the inner tube (2) is provided with a plurality of spiral grooves (4) which are distributed in a ring shape, and the spiral grooves (4) are filled with hot melt adhesive.
6. The moisture and corrosion resistant heat shrink protective sleeve for a power bus of claim 1, wherein: the outer tube (1) is provided with a polytetrafluoroethylene layer, the inner side of the inner tube (2) is provided with an insulating flame-retardant radiation crosslinked polyolefin layer, and a polyurethane dampproof paint layer is arranged at the interlayer of the outer tube (1) and the inner tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322577827.6U CN220896259U (en) | 2023-09-21 | 2023-09-21 | Dampproofing corrosion-resistant thermal contraction protective sleeve for power bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322577827.6U CN220896259U (en) | 2023-09-21 | 2023-09-21 | Dampproofing corrosion-resistant thermal contraction protective sleeve for power bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220896259U true CN220896259U (en) | 2024-05-03 |
Family
ID=90868625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322577827.6U Active CN220896259U (en) | 2023-09-21 | 2023-09-21 | Dampproofing corrosion-resistant thermal contraction protective sleeve for power bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220896259U (en) |
-
2023
- 2023-09-21 CN CN202322577827.6U patent/CN220896259U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |