CN215342098U

CN215342098U - High-strength moisture-proof fireproof halogen-free low-smoke flame-retardant power cable

Info

Publication number: CN215342098U
Application number: CN202121764613.4U
Authority: CN
Inventors: 吴春凤; 王永才; 陆灯宏; 洪正朝
Original assignee: JIANGSU YUANTONG CABLE CO Ltd
Current assignee: JIANGSU YUANTONG CABLE CO Ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-12-28
Anticipated expiration: 2031-07-30

Abstract

The utility model relates to a high-strength, moisture-proof, fireproof, halogen-free, low-smoke and flame-retardant power cable which comprises four groups of cable cores, wherein insulating layers are arranged on the outer sides of the four groups of cable cores, filling layers are arranged on the outer sides of the insulating layers, moisture-proof layers are arranged on the outer sides of the filling layers, metal armor layers are arranged on the outer sides of the moisture-proof layers, protective layers are arranged on the outer sides of the metal armor layers, fixed blocks are fixedly arranged on the left side and the right side of each protective layer, and first clamping plates are fixedly arranged at the bottoms of the fixed blocks. This dampproofing fire prevention that excels in does not have steamed low cigarette flame retarded power cable, through the dampproof course that sets up, sealed pad and the layer that absorbs water, when using, sealed pad can make the joint position be in a relative confined space, and the inside aqueous vapor accessible absorbs water the layer and adsorbs, can effectually prevent through the dampproof course that moisture from soaking, so, has realized effective damp-proofing purpose, helps promoting power cable's life.

Description

High-strength moisture-proof fireproof halogen-free low-smoke flame-retardant power cable

Technical Field

The utility model relates to the technical field of power cables, in particular to a high-strength moisture-proof fireproof halogen-free low-smoke flame-retardant power cable.

Background

The cable is generally a rope-like cable formed by stranding several or several groups of wires, each group of wires being insulated from each other, twisted around a center, and covered with a highly insulating covering layer, and the cable is an important component of power transmission.

Halogen-free low-smoke flame-retardant power cable is one kind comparatively common among the power cable, the extensive various scenes of being applied to, good fire prevention flame retardant efficiency has, but the humidity resistance is relatively poor, can not be used for moist operation environment, and at the in-process of cable conductor butt joint, joint department seals not good, will have steam infiltration cable inevitable, power cable intakes after, under the effect of electric field, can take place ageing phenomena, lead to the cable to puncture at last, power cable's life has been reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a high-strength moisture-proof fireproof halogen-free low-smoke flame-retardant power cable which has the advantages of effective moisture resistance and the like and solves the problem of poor moisture resistance effect of the conventional power cable.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a dampproofing fire prevention of excelling in is steamed low fire-retardant power cable of cigarette, includes four group's cable core, the outside of four group's cable core all is provided with the insulating layer, the outside of insulating layer is provided with the filling layer, the outside of filling layer is provided with the dampproof course, the outside of dampproof course is provided with the metal armor, the protective layer is equipped with in the outside of metal armor, the equal fixed mounting in the left and right sides of protective layer has the fixed block, the bottom fixed mounting of fixed block has first splint, the top movable mounting of fixed block has the second splint, first splint are provided with sealed the pad with second splint one side relative, the one side relative that seals up is provided with the layer that absorbs water.

Further, the filling layer is an asbestos layer.

Furthermore, the moisture-proof layer is an aluminum-plastic composite tape layer.

Further, the protective layer is a chloroprene rubber layer.

Further, the insulating layer is a PE polyethylene layer.

Further, the water absorbing layer is a high water absorbing resin layer.

Further, the left side fixed mounting of second splint has U type cover, the left side fixed mounting of fixed block have with U type cover swing joint's buckle.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this dampproofing fire prevention that excels in does not have steamed low cigarette flame retarded power cable, through the dampproof course that sets up, sealed pad and the layer that absorbs water, when using, sealed pad can make the joint position be in a relative confined space, and the inside aqueous vapor accessible absorbs water the layer and adsorbs, can effectually prevent through the dampproof course that moisture from soaking, so, has realized effective damp-proofing purpose, helps promoting power cable's life.

2. This dampproofing fire prevention that excels in does not have steamed low cigarette flame retarded power cable, through U type cover and the buckle that sets up, untie the buckle when using, overturn second splint right, carry out power cable's butt joint operation, after the butt joint finishes, lock the buckle, when the person of facilitating the use carries out the power cable butt joint, make first splint convenient and fast more with the fixed of second splint, made things convenient for user's use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1.

In the figure: 1 four groups of cable cores, 2 insulating layers, 3 filling layers, 4 moisture-proof layers, 5 metal armor layers, 6 protective layers, 7 fixed blocks, 8 first clamping plates, 9 second clamping plates, 10 sealing gaskets and 11 water absorbing layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the high-strength, moisture-proof, fire-proof, halogen-free, low-smoke, flame-retardant power cable in the embodiment includes four groups of cable cores 1, insulating layers 2 are disposed on the outer sides of the four groups of cable cores 1, filling layers 3 are disposed on the outer sides of the insulating layers 2, moisture-proof layers 4 are disposed on the outer sides of the moisture-proof layers 4, protective layers 6 are disposed on the outer sides of the metal-proof layers 5, fixing blocks 7 are fixedly mounted on the left and right sides of the protective layers 6, first clamping plates 8 are fixedly mounted at the bottoms of the fixing blocks 7, second clamping plates 9 are movably mounted at the tops of the fixing blocks 7, sealing gaskets 10 are disposed on the opposite sides of the first clamping plates 8 and the second clamping plates 9, and water absorbing layers 11 are disposed on the opposite sides of the sealing gaskets 10.

In this embodiment, filling layer 3 is the asbestos layer, and the asbestos has good fire-resistant, fire-retardant characteristic, when using, can prevent that inside electric core load is too big, and when the temperature was too high, the condition of inside fire took place.

In the embodiment, the moisture-proof layer 4 is an aluminum-plastic composite tape layer, the aluminum-plastic composite tape has excellent sealing performance, and can effectively prevent water from entering the moisture-proof layer when in use.

In this embodiment, the protective layer 6 is a chloroprene rubber layer, and chloroprene rubber has good physical and mechanical properties, is sunlight-resistant, flame-retardant, long in service life, strong in aging resistance, and can provide a lasting protective effect.

In this embodiment, the insulating layer 2 is a PE polyethylene layer, which is a preferred material for a power cable insulating layer, and has excellent low temperature resistance, good chemical stability, low water absorption, and excellent electrical insulation.

In this embodiment, the water-absorbing layer 11 is a super absorbent resin layer, which can absorb water hundreds times or thousands times of its own weight, and when in use, can absorb water vapor at the joint to prevent the water vapor from adhering to the cable, thereby improving the moisture-proof effect of the power cable.

In this embodiment, the left side fixed mounting of second splint 9 has U type cover, and the left side fixed mounting of left side fixed block 7 has the buckle with U type cover swing joint, and when using, when the person of facilitating the use carries out the power cable butt joint, makes first splint 8 and second splint 9 fixed convenient and fast more.

The working principle of the above embodiment is as follows:

(1) the buckle is unfastened, the second clamping plate 9 is turned rightwards, the butt joint operation of the power cable is carried out, and after the butt joint is finished, the buckle is locked, so that a user can conveniently carry out butt joint on the power cable, meanwhile, the first clamping plate 8 and the second clamping plate 9 are fixed more conveniently and quickly, and the use of the user is facilitated;

(2) can make the joint position be in a space that seals relatively through sealed pad 10, inside aqueous vapor accessible absorbs water layer 11 and live, can effectually prevent through dampproof course 4 that moisture from soaking, so, has realized effective damp-proof purpose.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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

1. The utility model provides a dampproofing fire prevention halogen-free low fire-retardant power cable of cigarette excels in, includes four group's cable core (1), its characterized in that: the outside of four sets of cable cores (1) all is provided with insulating layer (2), the outside of insulating layer (2) is provided with filling layer (3), the outside of filling layer (3) is provided with dampproof course (4), the outside of dampproof course (4) is provided with metal armor (5), protective layer (6) are equipped with in the outside of metal armor (5) is established, the equal fixed mounting in the left and right sides of protective layer (6) has fixed block (7), the bottom fixed mounting of fixed block (7) has first splint (8), the top movable mounting of fixed block (7) has second splint (9), first splint (8) are provided with sealed the pad (10) with second splint (9) relative one side, sealed pad (10) relative one side is provided with layer (11) that absorbs water.

2. The high-strength moisture-proof fire-proof halogen-free low-smoke flame-retardant power cable according to claim 1, characterized in that: the filling layer (3) is an asbestos layer.

3. The high-strength moisture-proof fire-proof halogen-free low-smoke flame-retardant power cable according to claim 1, characterized in that: the moisture-proof layer (4) is an aluminum-plastic composite tape layer.

4. The high-strength moisture-proof fire-proof halogen-free low-smoke flame-retardant power cable according to claim 1, characterized in that: the protective layer (6) is a chloroprene rubber layer.

5. The high-strength moisture-proof fire-proof halogen-free low-smoke flame-retardant power cable according to claim 1, characterized in that: the insulating layer (2) is a PE polyethylene layer.

6. The high-strength moisture-proof fire-proof halogen-free low-smoke flame-retardant power cable according to claim 1, characterized in that: the water absorbing layer (11) is a high water absorbing resin layer.

7. The high-strength moisture-proof fire-proof halogen-free low-smoke flame-retardant power cable according to claim 1, characterized in that: the left side fixed mounting of second splint (9) has U type cover, the left side fixed mounting of fixed block (7) have with U type cover swing joint's buckle.