CN208335844U - A kind of tension blocks water lv power cable - Google Patents
A kind of tension blocks water lv power cable Download PDFInfo
- Publication number
- CN208335844U CN208335844U CN201820994357.XU CN201820994357U CN208335844U CN 208335844 U CN208335844 U CN 208335844U CN 201820994357 U CN201820994357 U CN 201820994357U CN 208335844 U CN208335844 U CN 208335844U
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- groove
- partition
- cable
- pedestal
- power cable
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- 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
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- Installation Of Indoor Wiring (AREA)
Abstract
The utility model provides a kind of tension and blocks water lv power cable; belong to power cable technical field; including protective layer, insulating layer, cable core and support frame; support frame includes partition and longitudinal section is the pedestal of polygon; central axes Circle-Array on pedestal along pedestal shows multiple first grooves, and opposite two sidewalls are equipped with fixed protrusion in the first groove.The shape of partition is adapted with the shape of the first groove, it is mounted on partition on the first groove and one end exposes to groove, the opposite two sidewalls of partition offer the second groove compatible with convex shape, and partition is fastened on the first groove by the cooperation of the second groove and protrusion.Installation position is formed between adjacent two pieces of partitions, cable core is mounted in installation position, and insulating layer and protective layer successively coat support frame and cable core from the inside to the outside.The construction of cable is stable, has good tension, distortion resistance, and electric conductivity is excellent.
Description
Technical field
The utility model relates to power cable technical field, the lv power cable more particularly to a kind of tension blocks water.
Background technique
Power cable is the cable for being used for transmission and distributing electric energy, be in the basic routing line of electric system transmitting and
Distribute high-power power cable product, including 1-500KV and more than various voltage class, the power cable of various insulation.
Cable is divided into low-voltage cable, midium voltage cable, high-tension cable, extra-high-tension cable and extra-high-tension cable, low pressure according to voltage class
Power cable refers to that being resistant to voltage is 35KV cable below.Low-voltage cable route and low-voltage overhead line road, low pressure are maked somebody a mere figurehead
Although insulated circuit is higher compared to cost, laying maintenance is more difficult, due to it have it is reliable for operation, not pole erecting, do not account for
Ground does not hinder sight, is influenced the features such as smaller by the external world, and is used widely in low-voltage distribution system.Existing cable
Tensile capacity is poor, and during installing and using, frequently distortion and stretching can be easy to cause cable core even to break by destruction
The problem of core, influences the service life and equipment operation of lv power cable；And existing lv power cable usually exists
In circular casing, this structure needs raw material more and electric conductivity can also reduce.
Utility model content
In order to overcome the drawbacks of the prior art, the technical problem to be solved by the utility model is to propose a kind of tension resistance
Water lv power cable, the construction of cable is stable, has good tension, distortion resistance, and electric conductivity is excellent.
For this purpose, the utility model uses following technical scheme:
The utility model provides a kind of tension and blocks water lv power cable, including protective layer, insulating layer, cable core and branch
Support, support frame as described above includes partition and longitudinal section is the pedestal of polygon, and the pedestal offers first on along its length
Groove, first groove along the pedestal central axes circumference array on the pedestal, it is opposite in first groove
Two sidewalls are equipped with fixed protrusion, the equivalent width of the thickness of the partition and first groove, install on the partition
On first groove and side exposes to first groove, and the opposite two sidewalls of the partition offer and the protrusion
Compatible second groove of shape, it is recessed that the partition by the cooperation of second groove and the protrusion is fastened on described first
On slot；Installation position is formed between adjacent two pieces of partitions, the cable core is mounted in the installation position, and the cable core is outer after installation
Week is arc-shaped, and the insulating layer and the protective layer successively coat support frame as described above and the cable core from the inside to the outside.
In the preferable technical solution of the utility model, strengthening core is installed at the base central.
In the preferable technical solution of the utility model, the width for exposing to the partition of first groove is less than institute
State 2/3rds of partition overall width.
In the preferable technical solution of the utility model, the protrusion is arc-shaped or rectangular.
In the preferable technical solution of the utility model, between the insulating layer and the protective layer, in the protective layer
Inside is successively coated with shielded layer and waterproof layer from the inside to the outside.
The utility model has the following beneficial effects:
A kind of tension provided by the utility model blocks water lv power cable, and support frame is equipped with inside the cable, supports
Installation position is formed between the adjacent separator of frame, cable core is mounted in installation position, makes the stable structure of the cable, even if being squeezed
Directly cable core will not be damaged, while support frame makes cable have good tension, distortion resistance, can improve cable
Service life；And cable core is mounted in installation position, can save packing material, increases the quantity of cable core setting, therefore can be improved
The electric conductivity of cable core.
Detailed description of the invention
Fig. 1 is that a kind of tension that specific embodiment of the present invention provides blocks water the structural representation of lv power cable
Figure；
Fig. 2 is the structural schematic diagram for the support frame that specific embodiment of the present invention provides；
Fig. 3 is the structural schematic diagram when support frame that specific embodiment of the present invention provides does not install partition；
Fig. 4 is the structural schematic diagram for the partition that specific embodiment of the present invention provides.
In figure:
1, protective layer；2, waterproof layer；3, shielded layer；4, insulating layer；5, support frame；6, strengthening core；7, cable core；8, it installs
Position；51, pedestal；52, partition；511, raised；512, the first groove；521, the second groove.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
It blocks water lv power cable, including protective layer 1, insulating layer as shown in Figure 1, providing a kind of tension in the present embodiment
4, cable core 7 and support frame 5, support frame as described above 5 includes partition 52 and longitudinal section is the pedestal 51 of polygon, 51 edge of pedestal
Offer the first groove 512 on length direction, first groove 512 along the pedestal 51 central axes circumference array described
On pedestal 51, opposite two sidewalls are equipped with fixed protrusion 511 in first groove 512, and described raised 511 should open up
It is set when first groove 512, the equivalent width of the thickness of the partition 52 and first groove 512, the partition 52
On be mounted on first groove 512 and side exposes to first groove 512, the opposite two sidewalls of the partition 52 are opened
Equipped with the second groove 521 compatible with raised 511 shape, the partition 52 by second groove 521 with it is described
The cooperation of protrusion 511 is fastened on first groove 512, cannot after the partition 52 is mounted on first groove 512
It is moved outward by interior；Installation position 8 is formed between adjacent two pieces of partitions 52, the cable core 7 is mounted in the installation position 8, is installed
The periphery of the cable core 7 is arc-shaped afterwards, and the insulating layer 4 and the protective layer 1 successively coat the support from the inside to the outside
Frame 5 and the cable core 7, arc-shaped periphery are more advantageous to the wrapped insulating layer 4 and the protective layer 1.
A kind of above-mentioned tension blocks water lv power cable, and support frame as described above 5, support frame as described above are equipped with inside the cable
The installation position 8 is formed between the 5 adjacent partition 52, the cable core 7 is mounted in the installation position 8.Produce the electric power
When cable, first then the cable core 7 is mounted on the peace by being mounted on first groove 512 by the partition 52
Fill position 8, when the cable core 7 is installed, 7 periphery of cable core do it is in the arc-shaped, so as in the 7 wrapped insulation in periphery of the cable core
Layer 4.The stable structure of the cable will not directly damage the cable core 7 being squeezed, while support frame as described above
5 make cable have good tension, distortion resistance, can improve the service life of cable；And the cable core 7 is mounted on installation position
In 8, packing material can be saved, increases the quantity that the cable core 7 is arranged, therefore the electric conductivity of cable core 7 can be improved.
Further, strengthening core 6 is installed at 51 center of pedestal；The strengthening core 6 strengthens the pedestal 51
Intensity plays a supportive role, and can reinforce resistance to compression, the tensile capacity of the power cable, extend the service life of the power cable.
Further, the width for exposing to the partition 52 of first groove 512 is less than 52 overall width of partition
2/3rds；To guarantee that stabilization and the partition 52 of support frame as described above 5 can be fixedly mounted in first groove 512
On, the width for exposing to the partition 52 of first groove 512 should be less than 2/3rds of 52 overall width of partition, with
Toilet is stated pedestal 51 and can effectively be supported to the partition 52.
Further, described raised 511 be arc-shaped or rectangular；Described raised 511 and second groove 521 it is mutual
Cooperation plays the fixed partition 52.
Further, it between the insulating layer 4 and the protective layer 1, is successively wrapped from the inside to the outside in 1 inside of protective layer
It is covered with shielded layer 3 and waterproof layer 2；The shielded layer 3 can improve the field distribution of the power cable, avoid in the insulating layer 4
Shelf depreciation occurs between the protective layer 1, and the waterproof layer 2 can effectively prevent moisture and enter inside cable, play waterproof
Moisture-proof role.
The utility model is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from this reality
In the case where with novel spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.This reality
It is not limited to the particular embodiment disclosed with novel, other embodiments fallen into claims hereof all belong to
In the range of the utility model protection.
Claims (5)
- The lv power cable 1. a kind of tension blocks water, it is characterised in that:Including protective layer (1), insulating layer (4), cable core (7) and support frame (5), support frame as described above (5) include partition (52) and Longitudinal section is the pedestal (51) of polygon, and the pedestal (51) offers the first groove (512) on along its length, described first Groove (512) along the pedestal (51) central axes circumference array on the pedestal (51), the interior phase of first groove (512) Pair two sidewalls be equipped with fixed protrusion (511), the width one of the thickness of the partition (52) and first groove (512) It causes, is mounted on first groove (512) on the partition (52) and side exposes to first groove (512), it is described The opposite two sidewalls of partition (52) offer the second groove (521) compatible with protrusion (511) shape, the partition (52) it is fastened on first groove (512) by the cooperation of second groove (521) and raised (511)；It is adjacent Installation position (8) are formed between two pieces of partitions (52), the cable core (7) is mounted in the installation position (8), the cable core after installation (7) periphery is arc-shaped, and the insulating layer (4) and the protective layer (1) successively coat support frame as described above (5) from the inside to the outside And the cable core (7).
- The lv power cable 2. a kind of tension according to claim 1 blocks water, it is characterised in that:Strengthening core (6) are installed at pedestal (51) center.
- The lv power cable 3. a kind of tension according to claim 1 blocks water, it is characterised in that:Expose to the partition (52) of first groove (512) width be less than the partition (52) overall width three/ Two.
- The lv power cable 4. a kind of tension according to claim 1 blocks water, it is characterised in that:The protrusion (511) is arc-shaped or rectangular.
- The lv power cable 5. a kind of tension according to claim 1 blocks water, it is characterised in that:Between the insulating layer (4) and the protective layer (1), it is successively coated with screen from the inside to the outside on the inside of the protective layer (1) Cover layer (3) and waterproof layer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820994357.XU CN208335844U (en) | 2018-06-26 | 2018-06-26 | A kind of tension blocks water lv power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820994357.XU CN208335844U (en) | 2018-06-26 | 2018-06-26 | A kind of tension blocks water lv power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208335844U true CN208335844U (en) | 2019-01-04 |
Family
ID=64785078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820994357.XU Active CN208335844U (en) | 2018-06-26 | 2018-06-26 | A kind of tension blocks water lv power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208335844U (en) |
-
2018
- 2018-06-26 CN CN201820994357.XU patent/CN208335844U/en active Active
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