CN112820453B

CN112820453B - Copper core foaming insulation polyurethane sheath flexible cable

Info

Publication number: CN112820453B
Application number: CN202011577171.2A
Authority: CN
Inventors: 席娇娜; 冯成; 王国权; 吴士杰; 张波; 徐健; 吴帅宏; 朱琪乐; 姚雅晴
Original assignee: Jiangsu Hengtong Wire and Cable Technology Co Ltd
Current assignee: Jiangsu Hengtong Wire and Cable Technology Co Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2022-12-13
Anticipated expiration: 2040-12-28
Also published as: CN112820453A

Abstract

The invention discloses a copper core foaming insulation polyurethane sheath flexible cable, which relates to the technical field of sheath flexible cables and comprises a cable core, a foaming layer and a positioning mechanism, wherein the copper core is arranged inside the cable core, a first filling layer is arranged between the copper cores, an inner cladding is arranged outside the cable core, a flexible adhesive tape is arranged inside the inner cladding, a second filling layer is arranged between the flexible adhesive tapes, a compression-resistant layer is arranged outside the inner cladding, a stay is fixed inside the compression-resistant layer, a carbon fiber belt is arranged outside the compression-resistant layer, and the foaming layer is arranged outside the carbon fiber belt. The invention has the beneficial effects that: the device is provided with the inner cladding, and the inner cladding is in the outside of cable core, and flexible adhesive tape is annular form evenly distributed in the inside of inner cladding, and the structural strength of this inner cladding can be strengthened in setting up of flexible adhesive tape to the flexible adhesive tape that is annular form evenly distributed can play the effect of resistance to compression.

Description

Copper core foaming insulation polyurethane sheath flexible cable

Technical Field

The invention relates to the technical field of flexible cables, in particular to a copper core foaming insulation polyurethane sheath flexible cable.

Background

The flexible cable is the first choice cable of power transmission material, signal transmission carrier in the drag chain motion system, also known as: tow chain cables, tow cables, travelling cables, robot cables, etc. The conductor structure of the flexible cable is mainly based on the twisted copper conductor structure of DIN VDE 0295 and IEC 228 standards, and the sheath is made of low-viscosity flexible wear-resistant materials so as to reduce the wear rate of the cable in continuous reciprocating movement.

The existing flexible cable is poor in compression resistance and structural strength, poor in protection effect, easy to wear outside, inconvenient to stably set with a wire placing groove, and capable of causing the situation that the cable is worn and bent due to moving or curling, and therefore the copper core foamed insulation polyurethane sheath flexible cable is provided.

Disclosure of Invention

The invention aims to provide a copper core foaming insulation polyurethane sheath flexible cable, which aims to solve the problems that the existing flexible cable provided by the background technology is insufficient in compression resistance and structural strength, poor in protection effect, easy to wear outside, inconvenient to stably arrange with a wire placing groove and prone to moving abrasion or curling and bending of the cable.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an insulating polyurethane sheath flexible cable of copper core foaming, includes cable core, foaming layer and positioning mechanism, the inside of cable core is provided with the copper core, and is provided with first filling layer between the copper core, the outside of cable core sets up the inner cladding, the inside of inner cladding is provided with flexible adhesive tape, and is provided with the second filling layer between the flexible adhesive tape, the outside of inner cladding is provided with compressive layer, and the inside of compressive layer is fixed with the stay, the outside of compressive layer is provided with the carbon fiber area, the setting is in the outside of carbon fiber area, and the inside of foaming layer is fixed with the strengthening rib, the outside of foaming layer is provided with the inner insulating layer, the polyurethane sheath sets up in the outside of inner insulating layer, and the outside of polyurethane sheath is provided with the outer insulating layer, the outside cover of outer insulating layer is equipped with the protection outer loop, and the positioning mechanism is installed in the outside of protection outer loop.

Preferably, the flexible adhesive tape is uniformly distributed in the inner cladding in a ring shape, and the center line of the inner cladding coincides with the center line of the cable core.

Preferably, the supporting strips are arranged in five groups, the supporting strips are arranged at equal intervals, and the supporting strips are symmetrical with each other about the center line of the pressure-resistant layer.

Preferably, the outer side surface of the carbon fiber belt is tightly attached to the inner side surface of the foaming layer, and the carbon fiber belt is fixedly connected with the foaming layer.

Preferably, four groups of reinforcing ribs are arranged, and the reinforcing ribs are symmetrically distributed with respect to the central line of the foaming layer.

Preferably, the thicknesses of the inner insulating layer and the outer insulating layer are the same, and the center lines of the inner insulating layer and the outer insulating layer are coincident.

Preferably, positioning mechanism is including linking up piece, fixture block, bellows, protection strip, locating plate and screw hole, the outside of protection outer loop is fixed with the linking piece, and the both sides of linking up the piece are provided with the fixture block, the outside that links up the piece is connected with the bellows, and the outside of bellows is fixed with the protection strip, the outside of protection strip is fixed with the locating plate, and the inside both sides of locating plate are provided with the screw hole.

Preferably, the protection strip forms an elastic structure with the connecting block through the corrugated pipe, and the connecting block forms clamping connection with the protection outer ring through the clamping block.

Preferably, the positioning plate and the protection strip are integrally connected, and the positioning plates are symmetrical about the transverse center line of the cable core.

The invention provides a copper core foaming insulation polyurethane sheath flexible cable which has the following beneficial effects:

1. the inner cladding is arranged on the outer side of the cable core in a wrapping mode, the flexible rubber strips are uniformly distributed in the inner cladding in a ring shape, the structural strength of the inner cladding can be enhanced due to the arrangement of the flexible rubber strips, the flexible rubber strips which are uniformly distributed in the ring shape can play a compression-resistant role, the flexible rubber strips can be bent, the normal use of the cable cannot be influenced, and the copper core wire in the cable core can conduct electricity.

2. The cable is provided with the compression-resistant layer, the compression-resistant layer is coated on the outer side of the inner cladding, and the compression-resistant layer can be uniformly supported inside the compression-resistant layer through five groups of supporting strips which are arranged at equal intervals, so that the cable is uniformly stressed, the heat resistance of the carbon fiber tape is good, a good plasticity effect can be achieved, the foaming layer has a heat-insulating property, and the cable is light in weight.

3. The polyurethane sheath has the advantages that the four groups of reinforcing ribs are arranged, the inner part of the foaming layer can be supported and enhanced through the four groups of reinforcing ribs, the structural strength of the foaming layer can be enhanced, the inner insulating layer and the outer insulating layer can play a role in double insulation, the polyurethane sheath has the characteristic of softness, the shock absorption and radiation resistance performance is good, the protective outer rings arranged on the outermost side of the cable at equal intervals can play a role in protection, and the abrasion condition caused by direct contact of the cable and the ground is avoided.

4. The cable positioning device is provided with the positioning mechanism, free stretching can be realized through corrugated pipe connection, the use is flexible, the protection strip can elastically protect the outer part of the cable main body, the connecting block can be clamped and fixed with the protection outer ring through the clamping block, the installation is convenient, the positioning plate is convenient to arrange, the cable can be stably arranged with the wire placing groove through the bolt penetrating through the threaded hole in the using process of the cable, the cable is prevented from moving or curling, and the use is convenient.

Drawings

FIG. 1 is a schematic view of the internal cross-sectional structure of a copper core foamed insulation polyurethane sheath flexible cable according to the present invention;

FIG. 2 is a schematic structural diagram of a cable core cross section of a copper core foam insulation polyurethane sheath flexible cable according to the present invention;

FIG. 3 is an enlarged schematic structural view of the copper core foamed insulation polyurethane sheath flexible cable at the position A in FIG. 1;

FIG. 4 is a schematic diagram of an external structure of a copper core foamed insulation polyurethane sheath flexible cable according to the present invention;

fig. 5 is an enlarged schematic structural diagram of a flexible cable with a copper core, a foamed insulation polyurethane sheath, shown in fig. 4 and shown in B.

In the figure: 1. a cable core; 2. a copper core wire; 3. a first filling layer; 4. an inner cladding; 5. a flexible adhesive tape; 6. a second filling layer; 7. a pressure resistant layer; 8. a stay; 9. a carbon fiber tape; 10. a foamed layer; 11. reinforcing ribs; 12. an inner insulating layer; 13. a polyurethane sheath; 14. an outer insulating layer; 15. a protective outer ring; 16. a positioning mechanism; 1601. a joining block; 1602. a clamping block; 1603. a bellows; 1604. a protective strip; 1605. positioning a plate; 1606. a threaded bore.

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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution: a copper core foaming insulation polyurethane sheath flexible cable comprises a cable core 1, a copper core 2, a first filling layer 3, an inner cladding 4, a flexible adhesive tape 5, a second filling layer 6, a compression resistant layer 7, a stay 8, a carbon fiber belt 9, a foaming layer 10, a reinforcing rib 11, an inner insulation layer 12, a polyurethane sheath 13, an outer insulation layer 14, a protective outer ring 15, a positioning mechanism 16, a linking block 1601, a clamping block 1602, a corrugated pipe 1603, a protective strip 1604, a positioning plate 1605 and a threaded hole 1606, wherein the copper core 2 is arranged in the cable core 1, the first filling layer 3 is arranged between the copper core 2, the inner cladding 4 is arranged outside the cable core 1, the flexible adhesive tape 5 is arranged in the inner cladding 4, the second filling layers 6 are arranged between the flexible adhesive tapes 5, the flexible adhesive tapes 5 are uniformly distributed in the inner cladding layer 4 in a ring shape, the central line of the inner cladding layer 4 coincides with the central line of the cable core 1, the structural strength of the inner cladding layer 4 can be enhanced due to the arrangement of the flexible adhesive tapes 5, the flexible adhesive tapes 5 uniformly distributed in the ring shape can play a role in compression resistance, the compression-resistant layer 7 is arranged on the outer side of the inner cladding layer 4, supporting strips 8 are fixed in the compression-resistant layer 7, five groups of the supporting strips 8 are arranged at equal intervals, the supporting strips 8 are symmetrical with respect to the central line of the compression-resistant layer 7, the five groups of the supporting strips 8 arranged at equal intervals can be uniformly supported in the compression-resistant layer 7, and therefore the cable is uniformly stressed;

the outer side of the pressure-resistant layer 7 is provided with a carbon fiber belt 9, the outer side surface of the carbon fiber belt 9 is tightly attached to the inner side surface of the foaming layer 10, the carbon fiber belt 9 is fixedly connected with the foaming layer 10, the carbon fiber belt 9 can play a good plasticity role, the foaming layer 10 has a heat-insulating property and can lighten the cable, the foaming layer 10 is arranged on the outer side of the carbon fiber belt 9, reinforcing ribs 11 are fixed inside the foaming layer 10, four groups of reinforcing ribs 11 are arranged, the reinforcing ribs 11 are symmetrically distributed around the central line of the foaming layer 10, the four groups of reinforcing ribs 11 can support the inner part of the foaming layer 10 and enhance the structural strength of the foaming layer 10, an inner insulating layer 12 is arranged on the outer side of the foaming layer 10, a polyurethane sheath 13 is arranged on the outer side of the inner insulating layer 12, an outer insulating layer 14 is arranged on the outer side of the polyurethane sheath 13, the thicknesses of the inner insulating layer 12 and the outer insulating layer 14 are the same, the central lines of the inner insulating layer 12 and the outer insulating layer 14 are overlapped, and the inner insulating layer 12 and the outer insulating layer 14 are arranged to play a double insulating role;

the outside cover of outer insulation layer 14 is equipped with protection outer loop 15, and positioning mechanism 16 is installed in the outside of protection outer loop 15, positioning mechanism 16 is including linking piece 1601, fixture block 1602, bellows 1603, protection strip 1604, locating plate 1605 and screw hole 1606, the outside of protection outer loop 15 is fixed with linking piece 1601, and the both sides of linking piece 1601 are provided with fixture block 1602, the outside of linking piece 1601 is connected with bellows 1603, and the outside of bellows 1603 is fixed with protection strip 1604, the outside of protection strip 1604 is fixed with locating plate 1605, and the inside both sides of locating plate 1605 are provided with screw hole 1606, protection strip 1604 passes through bellows 1603 and constitutes elastic structure between linking piece 1601, and linking piece 1601 passes through to constitute the block between fixture block 1602 and the protection outer loop 15 and be connected, the setting of bellows 1603 can freely stretch, use comparatively in a flexible way, and can make protection strip 1604 carry out the elasticity protection to the outside of cable main part, linking piece 1601 can carry out the block 1602 with protection outer loop 15 through the block and carry out the block fastening, be convenient to install, be connected for the integration between locating plate 5 and the protection strip 1604, and about the horizontal setting of cable core 1 between the locating plate 1605, the cable core is symmetrical relative the setting, the convenient setting of setting, pass through the stable through the cable 1605 that the screw hole that the cable uses, it is convenient to pass through the stable use, it sets up, it is convenient to pass through the use, it.

In conclusion, when the copper core foaming insulation polyurethane sheath flexible cable is used, firstly, the copper core 2 in the cable core 1 can conduct electricity, when the copper core foaming insulation polyurethane sheath flexible cable is used, the inner cladding layer 4 is coated on the outer side of the cable core 1, the flexible rubber strips 5 are uniformly distributed in the inner cladding layer 4 in an annular shape, the structural strength of the inner cladding layer 4 can be enhanced due to the arrangement of the flexible rubber strips 5, the flexible rubber strips 5 uniformly distributed in the annular shape can play a role in resisting pressure, the flexible rubber strips 5 can also be bent, the normal use of the cable cannot be influenced, meanwhile, the compression resistant layer 7 is coated on the outer side of the inner cladding layer 4, five groups of supporting strips 8 arranged at equal intervals can be uniformly supported in the compression resistant layer 7, so that the cable is uniformly stressed, the carbon fiber belt 9 on the outer side of the compression resistant layer 7 has good heat resistance and can play a good plasticity role, the foaming layer 10 on the outer side of the carbon fiber belt 9 has a heat insulation performance, and can make the light weight of this cable, and the foaming layer 10 is internally provided with four groups of strengthening ribs 11 symmetrically, can support and foam the inside of the layer 10 through the arrangement of four groups of strengthening ribs 11, strengthen the structural strength of the foaming layer 10, the arrangement of the outer side inner insulating layer 12 and the outer insulating layer 14 can play a role of double insulation, the polyurethane sheath 13 has soft characteristic, and it is better to inhale and shake and antiradiation property, and the protection outer ring 15 that the cable outermost side is set equidistantly can play a role of protection, avoid the abrasion condition that the cable contacts with the ground directly, the protection strip 1604 protects the outside of the cable body elastically in the using process, and can realize free stretching through the connection of the corrugated pipe 1603, the arrangement of the outside locating plate 1605 of the protection strip 1604 facilitates the cable in the using process, it is set up with putting the wire groove stably through the bolt through the threaded hole 1606, the cable is prevented from moving or curling, and the use process of the whole copper core foaming insulation polyurethane sheath flexible cable is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides an insulating polyurethane sheath flexible cable of copper core foaming, includes cable core (1), foaming layer (10) and positioning mechanism (16), its characterized in that: the cable comprises a cable core (1), copper core wires (2) are arranged in the cable core (1), first filling layers (3) are arranged between the copper core wires (2), an inner cladding (4) is arranged on the outer side of the cable core (1), flexible adhesive tapes (5) are arranged in the inner cladding (4), second filling layers (6) are arranged between the flexible adhesive tapes (5), a compression resistant layer (7) is arranged on the outer side of the inner cladding (4), supporting bars (8) are fixed in the compression resistant layer (7), a carbon fiber belt (9) is arranged on the outer side of the compression resistant layer (7), a foaming layer (10) is arranged on the outer side of the carbon fiber belt (9), reinforcing ribs (11) are fixed in the foaming layer (10), an inner insulating layer (12) is arranged on the outer side of the foaming layer (10), an outer insulating layer (14) is arranged on the outer side of the polyurethane sheath (13), an outer protective outer ring (15) is sleeved on the outer side of the outer protective ring (15), and a positioning mechanism (16) is installed on the outer side of the outer protective ring (15); positioning mechanism (16) is including linking up piece (1601), fixture block (1602), bellows (1603), protection strip (1604), locating plate (1605) and screw hole (1606), the outside of protection outer loop (15) is fixed with links up piece (1601), and links up the both sides of piece (1601) and be provided with fixture block (1602), the outside of linking up piece (1601) is connected with bellows (1603), and the outside of bellows (1603) is fixed with protection strip (1604), the outside of protection strip (1604) is fixed with locating plate (1605), and the inside both sides of locating plate (1605) are provided with screw hole (1606).

2. The copper core foam insulation polyurethane sheath flexible cable of claim 1, wherein: the flexible adhesive tape (5) is uniformly distributed in the inner part of the inner cladding (4) in a ring shape, and the central line of the inner cladding (4) coincides with the central line of the cable core (1).

3. The copper core foam insulation polyurethane sheath flexible cable of claim 1, wherein: the supporting strips (8) are provided with five groups, the supporting strips (8) are arranged at equal intervals, and the supporting strips (8) are symmetrical about the central line of the pressure-resistant layer (7).

4. The copper core foam insulation polyurethane sheath flexible cable of claim 1, wherein: the outer side surface of the carbon fiber belt (9) is tightly attached to the inner side surface of the foaming layer (10), and the carbon fiber belt (9) is fixedly connected with the foaming layer (10).

5. The copper core foam insulation polyurethane sheath flexible cable of claim 1, wherein: four groups of reinforcing ribs (11) are arranged, and the reinforcing ribs (11) are symmetrically distributed relative to the central line of the foaming layer (10).

6. The copper core foam insulation polyurethane sheath flexible cable of claim 1, wherein: the thicknesses of the inner insulating layer (12) and the outer insulating layer (14) are the same, and the center lines of the inner insulating layer (12) and the outer insulating layer (14) are coincident.

7. The copper core foam insulation polyurethane sheath flexible cable of claim 1, wherein: the protection strip (1604) forms an elastic structure through the corrugated pipe (1603) and the connection block (1601), and the connection block (1601) forms a clamping connection through the clamping block (1602) and the protection outer ring (15).

8. The copper core foam insulation polyurethane sheath flexible cable of claim 1, characterized in that: the positioning plates (1605) are integrally connected with the protection strips (1604), and the positioning plates (1605) are symmetrical about the transverse center line of the cable core (1).