CN208225559U - Double sheaths shield drag chain cable - Google Patents

Abstract

The utility model discloses a kind of double sheaths to shield drag chain cable, it includes 19 strands of electric wires, nonwoven layer, tegillum, aluminium foil layer, belting layer, tinned copper braid and PUR serving in TPE, six strands of electric wires are mutually twisted centered on one electric wire and form the first core wire group, another 12 strands of electric wires are mutually twisted centered on the first core wire group and form the second core wire group, and tegillum, aluminium foil layer, belting layer, tinned copper braid and PUR serving are successively coated in the second core wire group in the nonwoven layer, TPE；The position of each electric wire of reasonable Arrangement, so that cable internal structure is more compact；It is coated using non-woven fabric, guarantees that structure is even closer, be not easy loosely, to improve the tensile strength of cable；Using tegillum in TPE and PUR serving double protection structures, there are preferable oil resistivity, chemical resistance and the performances such as wear-resisting, good toughness is tear-resistant, and protecting effect is good；It is isolated simultaneously by tinned copper braid and aluminium foil layer, shield effectiveness is good.

Description

Double sheaths shield drag chain cable

Technical field

The utility model relates to drag chain cable technical fields, and in particular to a kind of double sheaths shielding drag chain cables.

Background technique

Although a wires and cables industry only mating industry, in occupation of the output value of Chinese electrician trade 1/4.Its product Huge number, application range is very extensive, is related to the industries such as electric power, building, communication, manufacture, each portion with national economy Door is all closely related.Shielding line group cable is also known as " artery " and " nerve " of national economy, is conveying electric energy, transmitting information With manufacture various motors, instrument, instrument, realize the indispensable basic equipment of electromagnetic energy conversion institute, be it is following it is electrified, Necessary basic product in informationized society.

The connecting line of existing common drag chain cable is usually made of conduction copper core and insulating layer.For continuously moving back and forth Under installation, be especially frequently bended occasion under industrial applicability environment, as modernize machinery standard component drag chain in and object Streaming system, control system, mechanical automation system etc..This requires higher flexibility and wearability to it, existing to drag The insulating layer of chain cable be mostly be made of PVC material, flexibility, wearability and weatherability it is less desirable, and The drag chain cable of this structure can generate electromagenetic wave radiation when being powered itself, while itself also can be by other electronic building bricks Electromagnetic wave is interfered, so that often influencing the normal work of equipment because of Electromagnetic Interference in use.That is its anti-interference Difference is easy to be influenced by the external world, influences the transmission of signal.

Utility model content

In view of the above deficiencies, the purpose of the utility model is to provide a kind of flexibility, wearability and weatherability are preferable, And strong interference immunity, the good double sheaths of shield effectiveness shield drag chain cable.

To achieve the above object, technical solution provided by the utility model is: a kind of double sheaths shielding drag chain cables, Including tegillum, aluminium foil layer, belting layer, tinned copper braid and PUR serving in 19 strands of electric wires, nonwoven layer, TPE, six strands Electric wire is mutually twisted centered on one electric wire and forms the first core wire group, and another 12 strands of electric wires are mutually twisted centered on the first core wire group Form the second core wire group, in the nonwoven layer, TPE tegillum, aluminium foil layer, belting layer, tinned copper braid and PUR serving according to Secondary to be coated in the second core wire group, the electric wire includes the conductor being twisted by more copper wire and the TPE that is coated on conductor Insulating layer.

As a kind of improvement of the utility model, the nonwoven layer with a thickness of 0.2~0.3mm.

As a kind of improvement of the utility model, tegillum with a thickness of 7.85~8.15mm in the TPE.

As a kind of improvement of the utility model, the aluminium foil layer with a thickness of 0.1~0.2mm.

As a kind of improvement of the utility model, the belting layer with a thickness of 0.3~0.4mm.

As a kind of improvement of the utility model, the tinned copper braid with a thickness of 0.2~0.3mm.

As a kind of improvement of the utility model, the tinned copper braid with a thickness of 12~12.4mm.

As a kind of improvement of the utility model, the outer surface of the PUR serving is prolonged equipped with a plurality of along its axial direction The raised line stretched, the raised line are embedded with ground line.One end of ground line is connected with tinned copper braid, other end ground connection, more Shield effectiveness, strong antijamming capability can be promoted.

The utility model has the following beneficial effects: the utility model smart structural design, the position of each electric wire of reasonable Arrangement, make Cable internal structure is more compact, be successively coated with nonwoven layer, tegillum, aluminium foil layer, belting layer, tin-coated copper braiding in TPE Layer and PUR serving；It is coated using non-woven fabric, guarantees that structure is even closer, be not easy loosely, the tension for improving cable is strong Degree；Using tegillum in TPE and PUR serving double protection structures, the roundness of cable can be improved, improves the resistance to compression of cable Tensile strength, but also there are preferable oil resistivity, chemical resistance and the performances such as wear-resisting, good toughness is tear-resistant, greatly prolongs electricity The service life of cable, protecting effect are good；It is isolated simultaneously by tinned copper braid and aluminium foil layer, shield effectiveness is good, effectively Anti-radiation and anti-interference ability is promoted, external interference is reduced, conducive to being widely used to promote.

With reference to the accompanying drawing with embodiment, the present invention will be further described.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Specific embodiment

Referring to Fig. 1, a kind of double sheaths shielding drag chain cables provided in this embodiment comprising 19 strands of electric wires 1, non-woven fabrics Tegillum 3, aluminium foil layer 4, belting layer 5, tinned copper braid 6 and PUR serving 7 in layer 2, TPE, six strands of electric wires 1 are with one electric wire 1 Centered on mutually be twisted formed the first core wire group, another 12 strands of electric wires 1 centered on the first core wire group mutually be twisted formed the second core wire Group, tegillum 3, aluminium foil layer 4, belting layer 5, tinned copper braid 6 and PUR serving 7 successively coat in the nonwoven layer 2, TPE In the second core wire group, the electric wire 1 includes the conductor being twisted by more copper wire and the TPE being coated on conductor insulation Layer.By the position of each electric wire 1 of reasonable Arrangement, so that cable internal structure is more compact, it is successively coated with nonwoven layer 2, TPE Middle tegillum 3, aluminium foil layer 4, belting layer 5, tinned copper braid 6 and PUR serving 7；It is coated using non-woven fabric, guarantees structure It is even closer, it is not easy loosely, to improve the tensile strength of cable；Using 7 duplicate protection knot of tegillum 3 in TPE and PUR serving Structure can improve the roundness of cable, improve the compression and tensile strength of cable, but also have preferable oil resistivity, resistance toization The property learned and performances, the good toughness such as wear-resisting are tear-resistant, greatly prolong the service life of cable, protecting effect is good；Simultaneously by tin plating Copper braiding layer 6 and aluminium foil layer 4 are isolated, and shield effectiveness is good, effectively promote anti-radiation and anti-interference ability, reduce external interference

Preferably, the nonwoven layer 2 with a thickness of 0.2~0.3mm, preferably 0.2mm.The thickness of tegillum 3 in the TPE Degree is 7.85~8.15mm, preferably 8mm.The aluminium foil layer 4 with a thickness of 0.1~0.2mm, preferably 0.2mm.The band Layer 5 with a thickness of 0.3~0.4mm, preferably 0.3mm.The tinned copper braid 6 with a thickness of 0.2~0.3mm, preferably 0.3mm.The tinned copper braid 6 with a thickness of 12~12.4mm, preferably 12.2mm.

Preferably, being equipped with a plurality of edge in the outer surface of the PUR serving 7 further to promote wear-resisting and tension effect The raised line (not shown) that its axial direction extends.Raised line can enhance tensile property, and when in use, be raised line first with it is other Article or basal plane are in contact, and avoid directly contacting with PUR serving 7, promote service life.In addition it is also embedded with and connects in the raised line Ground wire.One end of ground line is connected with tinned copper braid 6, other end ground connection can more promote shield effectiveness, anti-interference energy Power is strong.Alternatively, it is also possible to be equipped with the helical form raised line of winding on its outer surface on the PUR serving 7, whole is in spring Shape is set on PUR serving 7.Helical form raised line can promote wearability and anti-pull property, and not influence flexibility, preferably, Ground line yet is being embedded in helical form raised line.One end of ground line is connected with tinned copper braid 64, another termination Ground can more promote shield effectiveness, strong antijamming capability.

Preferably, the double sheaths shielding drag chain cables of the utility model can also in nonwoven layer 2 and TPE between tegillum 3, And it is rectangular steel wire, the steel that a sliver transvers section appearance profile is respectively equipped between tinned copper braid 6 and PUR serving 7 Line extends along the axial direction of double sheath shielding drag chain cables.It is equipped with steel wire, while enhancing tensile property, is also facilitated When tearing steel wire, tegillum 3 and PUR serving 7 in TPE are quickly peeled off, is offered convenience to wiring process.It can also be in the PUR The outer surface of serving 7 is coated with fiber braiding layer.Protection PUR serving 7 is not affected or less affected by various light, heat, tide, low temperature, acid The erosion of alkali gas etc. and the damage of external mechanical power, it is ensured that the safe operation of electrical cables.To promote PUR serving 7 and fiber The fiting effect of braiding layer is covered with the salient point that can be caught in the mesh of the fiber braiding layer in the outer surface of PUR serving 7.

According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality The mode of applying is changed and is modified.Therefore, the utility model is not limited to specific embodiment disclosed and described above, right Some modifications and changes of the utility model should also be as falling into the protection scope of the claims of the present utility model.In addition, to the greatest extent It is used some specific terms in pipe this specification, these terms are merely for convenience of description, not to the utility model Constitute any restrictions.As described in the utility model above-described embodiment, using other obtained from same or similar structure The wire and cable of structure, in scope of protection of the utility model.

Claims (8)

1. a kind of double sheaths shield drag chain cable, which is characterized in that it include 19 strands of electric wires, nonwoven layer, tegillum in TPE, Aluminium foil layer, belting layer, tinned copper braid and PUR serving, six strands of electric wires are mutually twisted centered on one electric wire and form first Core wire group, another 12 strands of electric wires are mutually twisted centered on the first core wire group and form the second core wire group, in the nonwoven layer, TPE Tegillum, aluminium foil layer, belting layer, tinned copper braid and PUR serving are successively coated in the second core wire group, and the electric wire includes The conductor being twisted by more copper wire and the TPE insulating layer being coated on conductor.

2. double sheaths according to claim 1 shield drag chain cable, it is characterised in that: the nonwoven layer with a thickness of 0.2~0.3mm.

3. double sheaths according to claim 1 shield drag chain cable, it is characterised in that: in the TPE tegillum with a thickness of 7.85~8.15mm.

4. double sheaths according to claim 1 shield drag chain cable, it is characterised in that: the aluminium foil layer with a thickness of 0.1 ~0.2mm.

5. double sheaths according to claim 1 shield drag chain cable, it is characterised in that: the belting layer with a thickness of 0.3 ~0.4mm.

6. double sheaths according to claim 1 shield drag chain cable, it is characterised in that: the thickness of the tinned copper braid For 0.2~0.3mm.

7. double sheaths according to claim 1 shield drag chain cable, it is characterised in that: the thickness of the tinned copper braid For 12~12.4mm.

8. double sheaths according to any one of claims 1-7 shield drag chain cable, it is characterised in that: outside the PUR The outer surface of tegillum is equipped with a plurality of raised line extended along its axial direction, which is embedded with ground line.