CN209418188U

CN209418188U - A kind of chain armouring aluminium alloy cable of anticracking

Info

Publication number: CN209418188U
Application number: CN201920394619.3U
Authority: CN
Inventors: 魏月林
Original assignee: Beijing Tianhua Weiye Cable Co Ltd
Current assignee: Beijing Tianhua Weiye Cable Co Ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2019-09-20
Anticipated expiration: 2029-03-26

Abstract

The utility model belongs to the technical field of aluminium alloy cable; it is intended to provide a kind of chain armouring aluminium alloy cable of anticracking; its key points of the technical solution are that including alloy conductor; alloy conductor includes the insulating layer that at least four cable cores, the copper being arranged among cable core are led core, are coated on the outside of every cable core; the external sheath of alloy conductor has protective case, and protective case is internally provided with silk screen, and silk screen is in cross-shaped; fiber filament is wrapped on the outside of silk screen, fiber filament is blended with protective case；Silk screen in a kind of this chain armouring aluminium alloy cable of anticracking can play the role of reinforcement to the overall structure of protective case; so as to make protective case also can be more tough and tensile under the weather of severe cold; it will not there is a phenomenon where bursting by freezing easily; fiber filament can enhance the internal structure of protective case, and the bonding strength between protective case various pieces is more preferable.

Description

A kind of chain armouring aluminium alloy cable of anticracking

Technical field

The utility model relates to the technical field of aluminium alloy cable, in particular to a kind of chain armouring aluminium alloy electric of anticracking Cable.

Background technique

Currently, most domestic wire and cable manufacturing enterprise has taken the lead in developing aluminium alloy power cable, security performance, Major technological breakthrough is obtained in electric property and mechanical performance, national current standard requirement is fully met, works as aluminium alloy cable Aluminium alloy conductor sectional area when being 1.5 times of copper core, the two can reach comparable electric property, in the comparable feelings of electric property Under condition, the advantage of aluminium alloy cable itself be will be apparent from, at low cost, and direct purchase cost is 30-40% lower than copper cable, generally 20% or more building conservation installation expense, long span building can save 40% or more, light-weight, and the one of only same copper cable Half, it easily transport and is easily laid with etc., for large and medium-sized engineering, aluminium alloy cable is selected to be able to achieve fund, man power and material It saves comprehensively, the aluminium alloy cable of multi-size is enriching existing cable products type, promoting domestic cable core competitiveness Meanwhile will also tremendous contribution be made to Society.

In the prior art, the utility model patent of Publication No. CN204463892U specifically discloses a kind of high tenacity not Become rusty the chain armouring aluminium alloy cable of steel, and at least five cable cores are made of alloy conductor winding, are equipped with a copper among every cable core Core is led, copper leads core surrounding winding aluminium alloy wire cable, is coated with insulating layer on the outside of every cable core；It is equipped between adjacent cable core poly- Wrapping lining-layer is wrapped up in the insulating layer outside of the toughness guide rod of tetrafluoroethene, cable core, by wrapping liner layer for toughness guide rod packet It is rolled in the gap among at least five cable cores, and is filled with fire-retardant filler in the gap between toughness guide rod and cable core；? It wraps and coats crosslinked polyetylene insulated layer on the outside of liner layer, be coated with the chain armouring of stainless steel on the outside of crosslinked polyetylene insulated layer, One layer of flame-retardant sheath is wrapped up on the outside of the chain armouring of stainless steel.

Above-mentioned technical proposal enables aluminum alloy to the whole of cable by the way that the chain armouring of stainless steel is arranged in the outside of aluminium alloy cable Body keeps certain intensity, but the laying environment of cable is most of more severe, holds needed for polar region or northern area, cable The temperature received is lower, and protective performance of the flame-retardant sheath in above-mentioned technical proposal under low-temperature condition is lower, in the shape of low temperature There is certain pressure that may there can be the case where bursting by freezing under state, so that good protective action cannot be played to cable core.

Utility model content

The utility model is to provide a kind of chain armouring aluminium alloy cable of anticracking, with frost-cracking-preventing, in the presence of a harsh environment Also the advantages of good protective action capable of being played to cable core.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of chain armouring aluminium alloy cable of anticracking, including alloy conductor, the alloy conductor include at least four cable cores, The insulating layer that copper among cable core is led core, is coated on the outside of every cable core is set, and the external sheath of the alloy conductor has guarantor Sheath, the protective case are internally provided with silk screen, and the silk screen has wrapped fiber filament on the outside of the silk screen in cross-shaped, The fiber filament is blended with protective case.

By using above-mentioned technical proposal, the silk screen in protective case can enhance the hardness of protective case, make the branch of protective case It is bigger to support intensity, and silk screen can play the role of reinforcement to the overall structure of protective case, so as to make protective case tight Also can be more tough and tensile under cold weather, will not be easily there is a phenomenon where bursting by freezing, the fiber filament on the outside of silk screen can extend to Inside protective case, fiber filament can enhance the internal structure of protective case, and the bonding strength between protective case various pieces is more preferable, make Protective case will not be there is a phenomenon where cracking, so as to cooperate with silk screen to cable when the temperature change by external environment Core plays better protective effect, keeps cable more stable when operation, the service life is longer.

Further setting: being provided with the chain armouring of stainless steel between the protective case and alloy conductor, the stainless steel connects It is provided with reinforced sheet on the outside of lock armouring, columnar projections are fixedly connected on the outside of the reinforced sheet, the columnar projections are chimeric In protective case.

By using above-mentioned technical proposal, the chain armouring of stainless steel can play good protective action to cable body, Keep the pressure-resistant performance of cable more preferable, in the case where being locally under pressure will not deformation occurs, the setting of reinforced sheet can be with The chain armouring of stainless steel plays protective action to cable jointly, keeps the pressure-resistant performance of cable more preferable, the column on the outside of reinforced sheet is convex Rising can match with protective case, enhance the bonding strength of protective case and reinforced sheet, so that the bearing capacity of protective case is also stronger, Performance is more preferable, can also play better protective action to cable in the environment of severe cold.

Further setting: rubber-plastic sponge piece is provided between the reinforced sheet and the chain armouring of stainless steel.

By using above-mentioned technical proposal, rubber-plastic sponge piece is resilient closed cell's elastic material, has softness, resistance to circumnutate, resistance to Cold, heat-resisting, fire-retardant, the excellent performance of waterproof can play heat preservation well and fire-retardant in the environment of severe cold to cable Effect, so as to play certain protective action to cable core, keeps cable more stable in the process of running.

Further setting: heat-preservation cotton is provided on the outside of the protective case.

By using above-mentioned technical proposal, the setting of heat-preservation cotton can play certain protective action to protective case, tight Certain barrier can be carried out to low temperature under cold rugged environment, prevents low temperature from all acting on protective case, and heat-preservation cotton can be with Protective case plays protective action to cable core jointly, keeps the operation of cable more stable, and cold tolerance is more preferable.

Further setting: masking foil has been wrapped on the outside of the heat-preservation cotton.

By using above-mentioned technical proposal, the setting of masking foil can play the role of certain thermal-insulating waterproof, make heat-preservation cotton Better protection effect is played to cable core with protective case, so that the operation of cable is more stable.

Further setting: being provided between the adjacent cable core and wrap layer, is coated with neck bush on the outside of the alloy conductor, It the neck bush and wraps and is provided with paper tape buffer layer between layer.

By using above-mentioned technical proposal, gap between alloy conductor can be reduced by wrapping layer, keep cable core more steady It is fixed, it can be improved the service life of cable core, paper tape buffer layer can play further protection to cable core, while can will wrap Layer wrap, make cable core operation when will not phase mutual friction, guarantee its stability, prolong the service life.

Further setting: soft elastic force bar is provided between four cable cores, the soft elastic force bar is affixed with cable core It closes.

By using above-mentioned technical proposal, soft elastic force bar can fill up the gap between four cable cores, so as to The mutual abrasion between adjacent cable core is enough prevented, making cable, performance is more stable during transmission.

In conclusion the utility model has the following beneficial effects:

1, silk screen and fiber filament can enhance the internal structure of protective case, and the bonding strength between protective case various pieces is more It is good, make protective case will not be there is a phenomenon where cracking, so as to cooperate when the temperature change by external environment Better protective effect is played to cable core；

2, the columnar projections on the outside of reinforced sheet can be matched with protective case, and the connection for enhancing protective case and reinforced sheet is strong Degree, so that the bearing capacity of protective case is also stronger, performance is more preferable, can also play better protection to cable in the environment of severe cold Effect；

3, rubber-plastic sponge piece can play heat preservation and fire-retardant effect well in the environment of severe cold to cable, thus Certain protective action can be played to cable core；

4, the setting of heat-preservation cotton and masking foil can play certain protective action to protective case, in severe cold rugged environment Certain barrier can be carried out to low temperature down, prevents low temperature from all acting on protective case, to play better protection to cable core Effect keeps the operation of cable more stable.

Detailed description of the invention

Fig. 1 is the overall structure diagram for embodying cable；

Fig. 2 is the internal structure perspective view of the explosion for embodying cable.

In figure, 1, alloy conductor；111, cable core；112, copper leads core；113, insulating layer；2, protective case；3, silk screen；4, fiber Silk；5, the chain armouring of stainless steel；6, reinforced sheet；7, columnar projections；8, rubber-plastic sponge piece；9, heat-preservation cotton；10, masking foil；11, it wraps up in Coating；12, neck bush；13, paper tape buffer layer；14, soft elastic force bar.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment: a kind of chain armouring aluminium alloy cable of anticracking, as shown in Figure 1, including alloy conductor 1, alloy conductor 1 is wrapped It includes at least four cable cores 111, the insulating layer that the copper of 111 centre of cable core leads core 112, is coated on 111 outside of every cable core is set 113, insulating layer 113 plays certain protective action to cable core 111, and soft elastic force bar 14 is provided between four cable cores 111, soft Property elastic force bar 14 fits with cable core 111, and soft elastic force bar 14 can fill up the gap between four cable cores 111, thus The mutual abrasion between adjacent cable core 111 can be prevented, it is all relatively stable when electric cable transporting and operation, it will not be because of Service life reduction caused by wearing.

Layer 11 is wrapped as shown in Figure 1, being provided between adjacent cable core 111, layer 11 is wrapped and is made of filler, filler can be with Using PP rope, the rope made of hemp or rubber particle, the gap between alloy conductor 1 can be reduced, keep cable core 111 more stable, energy The service life for enough improving cable core 111, wraps layer 11 and is provided with paper tape buffer layer 13, paper tape buffer layer 13 can be wrapped in and wrap 11 outside of layer, can play further protection, while can will wrap layer 11 and wrap, paper tape can be set into cable core 111 Oilpaper has certain waterproof performance, is provided with neck bush 12 on the outside of paper tape buffer layer 13, neck bush 12 is by insulating materials system At further protective action can be played to cable core 111.

As shown in Fig. 2, being fixedly connected with the chain armouring 5 of stainless steel on the outside of neck bush 12, the chain armouring 5 of stainless steel can be right Cable core 111 plays good protective action, so as to keep the voltage endurance capability of cable stronger, also not in the case where being under pressure Understand the case where deformation occurs is broken, keeps the performance of cable more preferable.

As shown in Fig. 2, the outside of the chain armouring 5 of stainless steel is provided with the separated state of protective case 2 in protective case 2(figure), Protective case 2 can be PVC fire proofing and be made, and be provided with reinforced sheet 6, reinforced sheet between the chain armouring 5 of stainless steel and protective case 2 6 outside is fixedly connected with columnar projections 7, and columnar projections 7 are entrenched in protective case 2,7 energy of columnar projections in 6 outside of reinforced sheet It is enough to be matched with protective case 2, the bonding strength of protective case 2 Yu reinforced sheet 6 is enhanced, so that the bearing capacity of protective case 2 is also stronger, Performance is more preferable, can also play better protective action to cable in the environment of severe cold.

As shown in Fig. 2, being provided with rubber-plastic sponge piece 8 between reinforced sheet 6 and the chain armouring 5 of stainless steel, rubber-plastic sponge piece 8 is Resilient closed cell's elastic material has softness, resistance to circumnutate, and resists cold, heat-resisting, fire-retardant, the excellent performance of waterproof, in the environment of severe cold Heat preservation and fire-retardant effect well can be played, to cable so as to play certain protective action to cable core 111.

As shown in Fig. 2, protective case 2 is internally provided with silk screen 3, silk screen 3 is mutually chimeric with protective case 2, and silk screen 3 is set as thin Steel wire 3, intensity is bigger, and in cross-shaped, cross-shaped setting can cooperate silk screen 3 with protective case 2, make to protect The intensity of sheath 2 is bigger, and fiber filament 4 has been wrapped on the outside of silk screen 3, and fiber filament 4 and protective case 2 blend and extend to protective case In 2, fiber filament 4 can enhance the internal structure of protective case 2, and the bonding strength between 2 various pieces of protective case is more preferable, make to protect Set 2 will not be there is a phenomenon where cracking, so as to cooperate with silk screen 3 to cable core when the temperature change by external environment 111 play better protective effect.

As shown in Fig. 2, being provided with heat-preservation cotton 9 on the outside of protective case 2, the outside of heat-preservation cotton 9 has wrapped masking foil 10, heat-preservation cotton 9 setting can play certain protective action to protective case 2, prevent low temperature from all acting on protective case 2, heat-preservation cotton 9 can Play the role of protective action to cable core 111 jointly with protective case 2, the setting of masking foil 10 can play certain thermal-insulating waterproof, Heat-preservation cotton 9 and protective case 2 is set to play better protection effect to cable core 111.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims

1. a kind of chain armouring aluminium alloy cable of anticracking, including alloy conductor (1), the alloy conductor (1) includes at least four The insulating layer that cable core (111), setting are led core (112), are coated on the outside of every cable core (111) in the intermediate copper of cable core (111) (113), it is characterised in that: the external sheath of the alloy conductor (1) has protective case (2), and the protective case (2) is internally provided with Silk screen (3), the silk screen (3) have been wrapped fiber filament (4), the fiber filament (4) on the outside of the silk screen (3) in cross-shaped It is blended with protective case (2).

2. the chain armouring aluminium alloy cable of a kind of anticracking according to claim 1, it is characterised in that: the protective case (2) It is provided with the chain armouring of stainless steel (5) between alloy conductor (1), is provided with and adds on the outside of the chain armouring of stainless steel (5) Strong piece (6) is fixedly connected with columnar projections (7) on the outside of the reinforced sheet (6), and the columnar projections (7) are entrenched in protective case (2) in.

3. the chain armouring aluminium alloy cable of a kind of anticracking according to claim 2, it is characterised in that: the reinforced sheet (6) Rubber-plastic sponge piece (8) are provided between the chain armouring of stainless steel (5).

4. the chain armouring aluminium alloy cable of a kind of anticracking according to claim 1, it is characterised in that: the protective case (2) Outside is provided with heat-preservation cotton (9).

5. the chain armouring aluminium alloy cable of a kind of anticracking according to claim 4, it is characterised in that: the heat-preservation cotton (9) Outside wrapped masking foil (10).

6. the chain armouring aluminium alloy cable of a kind of anticracking according to claim 1, it is characterised in that: the adjacent cable core (111) it is provided with and wraps layer (11) between, be coated with neck bush (12) on the outside of the alloy conductor (1), the neck bush (12) Paper tape buffer layer (13) are provided between layer (11) with wrapping.

7. the chain armouring aluminium alloy cable of a kind of anticracking according to claim 6, it is characterised in that: four cable cores (111) soft elastic force bar (14) is provided between, the soft elastic force bar (14) fits with cable core (111).