CN211670001U - Drag chain cable with sheath - Google Patents

Abstract

The utility model provides a drag chain cable with a sheath, which comprises a cable main body and a sheath layer; the restrictive coating parcel the cable main part, the restrictive coating includes restrictive coating main part, the positive circle of restrictive coating and the negative circle of restrictive coating, the restrictive coating outward appearance is protruding and sunken alternate structure, the positive circle of restrictive coating constitutes the convex part, the negative circle of restrictive coating constitutes the concave part. The utility model provides a pair of tow chain cable with sheath has the good performance of the resistant crooked of super soft, and its wearability is high, and bending property is superior, and the frequency number of times of can buckling is very many.

Description

Drag chain cable with sheath

Technical Field

The utility model relates to a cable technology specifically, relates to a tow chain cable with sheath.

Background

At present, the sheath of the drag chain (mobile) cable produced by enterprises at home and abroad is often made of plastic or rubber and other materials, and is extruded and coated on the surface of a cable core by an extruding machine or a rubber molding machine to form a sheath layer. The surface of the material is a longitudinal smooth structure. With the advance of mechanized deep ploughing and artificial intelligence, people have higher requirements on the performance of the drag chain cable. The above 3 industrial indexes of the current products in the field are respectively: 1. moving the effective bend radius 8D; 2. the effective wear-resisting times in the drag chain are 1000 ten thousand; 3. the bending times are 1000 ten thousand; i.e., primarily at 1. smaller bend radii; 2. higher wear resistance; 3. higher bending frequency. This has led to the development of a cable sheath material that is highly wear resistant, soft and resilient. Nevertheless, these cables still do not meet the requirements for some special devices.

If the publication is CN202839031U, the name is a utility model of tensile tow chain cable, this utility model discloses a tensile tow chain cable contains many groups of core group, by the multiunit the metal wire that the core group was wrapped, all the core group the metal wire all wraps up in the oversheath, the core group contains around the covering, around a plurality of sinle silks that the covering was wrapped, by a plurality of the shellproof fibre that the sinle silks were wrapped, the sinle silks contain the insulating layer, by the conductor of insulating layer parcel. The utility model discloses a do not set up the sheath structure, its wearability is relatively poor with bending property.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims at providing a tow chain cable with sheath, it has the resistant crooked good performance of super soft, and the wearability is high, and bending property is superior, and the frequency number of buckling is many.

According to the utility model, the drag chain cable with the sheath comprises a cable main body and a sheath layer; the restrictive coating parcel the cable main part, the restrictive coating includes restrictive coating main part, the positive circle of restrictive coating and the negative circle of restrictive coating, the restrictive coating outward appearance is protruding and sunken alternate structure, the positive circle of restrictive coating constitutes the convex part, the negative circle of restrictive coating constitutes the concave part.

Preferably, still strengthen filling layer, sinle silk insulating layer and interior sheath including the center, the filling layer is strengthened at the center is located in the middle of the restrictive coating is inside, be equipped with the conductor in the sinle silk insulating layer, the sinle silk insulating layer is equipped with interior sheath outward, interior sheath with be equipped with antitorque layer between the restrictive coating.

Preferably, the structure that the bulges and the recesses are alternated is in a wave shape, the male ring of the sheath layer is a wave-shaped bulge part, and the female ring of the sheath layer is a wave-shaped recess part.

Preferably, the structure that protruding and sunken alternate is the wave and is square wave form, sheath layer male circle is square wave form convex part, sheath layer female circle is square wave form concave part.

Preferably, the thickness of the sheath layer main body is 0.2-0.8 mm.

Preferably, the number of the conductors is one or more, and the conductors are respectively provided with a wire core insulating layer.

Preferably, the jacket layer main body, the sheath layer male ring and the sheath layer female ring are integrally formed.

The drag chain cable with the sheath comprises a cable main body and a sheath layer, wherein the sheath layer is arranged on the cable main body; the cable comprises a cable main body, a sheath layer male ring, a sheath layer female ring, a cable sheath and a cable, wherein the sheath layer wraps the cable main body, the sheath layer male ring and the sheath layer female ring are arranged on the outer surface of the sheath layer, the sheath layer is of a wave-shaped structure with alternately raised parts and recessed parts, the sheath layer male ring forms a raised part, and; the cable comprises a sheath layer, a conductor, a core insulation layer and an anti-torsion layer, and is characterized by further comprising a central reinforcing filling layer, a core insulation layer and an inner protection layer, wherein the central reinforcing filling layer is positioned in the middle of the inner part of the sheath layer, a conductor is arranged in the core insulation layer, the inner protection layer is arranged outside the core insulation layer, and the anti-torsion layer is arranged between the inner protection layer and the sheath layer;

the sheath layer male ring is a wave-shaped convex part, and the sheath layer female ring is a wave-shaped concave part; the thickness of the sheath layer main body is 0.2-0.8 mm; the number of the conductors is one or more, and the conductors are respectively provided with a wire core insulating layer.

The drag chain cable with the sheath comprises a cable main body and a sheath layer, wherein the sheath layer is arranged on the cable main body; the cable comprises a cable main body, a sheath layer male ring, a sheath layer female ring, a sheath layer male ring and a sheath layer female ring, wherein the sheath layer wraps the cable main body; the cable comprises a sheath layer, a conductor, a core insulation layer and an anti-torsion layer, and is characterized by further comprising a central reinforcing filling layer, a core insulation layer and an inner protection layer, wherein the central reinforcing filling layer is positioned in the middle of the inner part of the sheath layer, a conductor is arranged in the core insulation layer, the inner protection layer is arranged outside the core insulation layer, and the anti-torsion layer is arranged between the inner protection layer and the sheath layer;

the sheath layer male ring is a square wave-shaped convex part, and the sheath layer female ring is a square wave-shaped concave part; the thickness of the sheath layer main body is 0.2-0.8 mm; the number of the conductors is one or more, and the conductors are respectively provided with a wire core insulating layer.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the bending radius of the cable becomes smaller and can reach 4D;

2. the front stress in the sliding process of the drag chain is reduced through the generated sliding hollow window, the friction loss is reduced, and the friction times are increased. Meanwhile, due to the wavy surface, under the condition of the same material weight, the thickness of the effective friction contact surface material of the cable is thickened, and the friction times are increased, so that the effective friction times in the drag chain can reach 2000 ten thousand times;

3. through the sheath in the surface embossing form, the thickness of the sheath at uniform intervals is changed, and when the sheath is bent, the stress generated by bending is uniformly dispersed, so that the condition that the stress is relatively concentrated is avoided. The stress value after dispersion is far less than the tensile strength that the sheath material possessed, makes insulating heart yearn at the bending process simultaneously, and is even in hand, has avoided the appearance of profit point, greatly reduced the insulating risk of breaking the core in the bending process, make this cable effectively wear-resisting number of times can surpass 1000 ten thousand in the tow chain.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic cross-sectional structure view of a drag chain cable with a sheath according to the present invention;

fig. 2 is a schematic longitudinal section structure view of a drag chain cable with a sheath provided by the present invention.

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

As shown in fig. 1-2 the utility model provides a pair of tow chain cable with sheath, including restrictive coating 9, center enhancement filling layer 6, sinle silk insulating layer 7 and interior sheath 5, the center is strengthened filling 6 filling layer and is located the inside centre of restrictive coating 9, be equipped with conductor 8 in the sinle silk insulating layer 7, sinle silk insulating layer 7 is equipped with interior sheath 5 outward, interior sheath 5 with be equipped with antitorque layer 4 between the restrictive coating 9. The sheath layer appearance is protruding and sunken alternate structure, sheath layer male ring constitutes the convex part, sheath layer female ring constitutes the concave part.

As a preferred embodiment of the present invention, the sheath layer 9 includes sheath layer main body 3, sheath layer male ring 1 and sheath layer female ring 2, sheath layer male ring 1 is the convex layer of wave, sheath layer female ring 2 is the concave layer of wave. The sheath layer main body 3, the sheath layer male ring 1 and the sheath layer female ring 2 are of an integrally formed structure.

As an optimized embodiment of the utility model, the thickness of restrictive coating main part 3 is 0.2 ~ 0.8 mm.

As a preferred embodiment of the present invention, the number of the conductors 8 is one or more, and the conductor 8 is provided with the core insulating layer 7.

As a preferred embodiment of the present invention, the sheath layer 9, the central reinforcing filler layer 6, the core insulating layer 7 and the inner sheath layer 5, the central reinforcing filler layer 6 is located in the middle inside the sheath layer 9, the conductor 8 is disposed in the core insulating layer 7, the number of the conductor 8 is one or more, the conductor 8 is respectively provided with the core insulating layer 7, the inner sheath layer 5 is disposed outside the core insulating layer 7, and the anti-torsion layer 4 is disposed between the inner sheath layer 5 and the sheath layer 9; restrictive coating 9 includes restrictive coating main part 3, the positive circle of restrictive coating 1 and the cloudy circle of restrictive coating 2, the positive circle of restrictive coating 1 is the convex layer of wave, the cloudy circle of restrictive coating 2 is the concave layer of wave, the thickness of restrictive coating main part 3 is 0.2 ~ 0.8 mm.

In other embodiments, the outer surface of the sheath layer may also be in the shape of a square wave, etc., which is not limited by the present invention.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims (9)

1. The utility model provides a tow chain cable with sheath which characterized in that: comprises a cable main body and a sheath layer; the restrictive coating parcel the cable main part, the restrictive coating includes restrictive coating main part, the positive circle of restrictive coating and the negative circle of restrictive coating, the restrictive coating outward appearance is protruding and sunken alternate structure, the positive circle of restrictive coating constitutes the convex part, the negative circle of restrictive coating constitutes the concave part.

2. A sheathed tow chain cable according to claim 1, wherein: the cable core is characterized by further comprising a center reinforcing filling layer, a cable core insulating layer and an inner protection layer, wherein the center reinforcing filling layer is located in the middle of the inner portion of the sheath layer, a conductor is arranged in the cable core insulating layer, the inner protection layer is arranged outside the cable core insulating layer, and an anti-torsion layer is arranged between the inner protection layer and the sheath layer.

3. The jacketed tow chain cable of claim 1, wherein: the structure that protruding and sunken alternate is the wave, sheath layer positive circle is wave bulge, sheath layer negative circle is wave sunk part.

4. The jacketed tow chain cable of claim 1, wherein: the structure that protruding and sunken alternate is the wave and is square wave form, the positive circle of restrictive coating is square wave form convex part, the negative circle of restrictive coating is square wave form concave part.

5. The jacketed tow chain cable of claim 1, wherein: the thickness of sheath layer main part is 0.2 ~ 0.8 mm.

6. The jacketed tow chain cable of claim 2, wherein: the number of the conductors is one or more, and the conductors are respectively provided with a wire core insulating layer.

7. The jacketed tow chain cable of claim 1, wherein: the jacket layer main body, the sheath layer male ring and the sheath layer female ring are integrally formed.

8. The utility model provides a tow chain cable with sheath which characterized in that: comprises a cable main body and a sheath layer; the cable comprises a cable main body, a sheath layer male ring, a sheath layer female ring, a cable sheath and a cable, wherein the sheath layer wraps the cable main body, the sheath layer male ring and the sheath layer female ring are arranged on the outer surface of the sheath layer, the sheath layer is of a wave-shaped structure with alternately raised parts and recessed parts, the sheath layer male ring forms a raised part, and; the cable comprises a sheath layer, a conductor, a core insulation layer and an anti-torsion layer, and is characterized by further comprising a central reinforcing filling layer, a core insulation layer and an inner protection layer, wherein the central reinforcing filling layer is positioned in the middle of the inner part of the sheath layer, a conductor is arranged in the core insulation layer, the inner protection layer is arranged outside the core insulation layer, and the anti-torsion layer is arranged between the inner protection layer and the sheath layer;

the sheath layer male ring is a wave-shaped convex part, and the sheath layer female ring is a wave-shaped concave part; the thickness of the sheath layer main body is 0.2-0.8 mm; the number of the conductors is one or more, and the conductors are respectively provided with a wire core insulating layer.

9. The utility model provides a tow chain cable with sheath which characterized in that: comprises a cable main body and a sheath layer; the cable comprises a cable main body, a sheath layer male ring, a sheath layer female ring, a sheath layer male ring and a sheath layer female ring, wherein the sheath layer wraps the cable main body; the cable comprises a sheath layer, a conductor, a core insulation layer and an anti-torsion layer, and is characterized by further comprising a central reinforcing filling layer, a core insulation layer and an inner protection layer, wherein the central reinforcing filling layer is positioned in the middle of the inner part of the sheath layer, a conductor is arranged in the core insulation layer, the inner protection layer is arranged outside the core insulation layer, and the anti-torsion layer is arranged between the inner protection layer and the sheath layer;

the sheath layer male ring is a square wave-shaped convex part, and the sheath layer female ring is a square wave-shaped concave part; the thickness of the sheath layer main body is 0.2-0.8 mm; the number of the conductors is one or more, and the conductors are respectively provided with a wire core insulating layer.

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