CN216697863U

CN216697863U - Power composite cable for CVV bending-resistant drag chain

Info

Publication number: CN216697863U
Application number: CN202122119054.8U
Authority: CN
Inventors: 李京鹏; 魏英华
Original assignee: Jiutai Tianjin Intelligent Technology Co ltd
Current assignee: Jiutai Tianjin Intelligent Technology Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-06-07
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a power composite cable for a CVV bending-resistant drag chain, which comprises cable pieces distributed in a circumferential array manner, wherein a protection piece is arranged between the cable pieces and used for buffering the extrusion acting force generated between the cable pieces when the cable pieces are bent, oil separating layers are arranged outside the cable pieces and the protection piece, a wear-resistant layer is arranged outside the oil separating layers, and elastic rods distributed in a circumferential array manner are arranged between the oil separating layers and the wear-resistant layer. This resistant crooked power composite cable for tow chain of CVV, the extrusion effort that produces in order to produce between the cable spare through well elasticity hose in the protection piece and outer elastic block produces deformation and absorbs, prevent that mutual extrusion friction leads to inner insulation layer, cable shielding layer, cable filling layer and outer insulation layer between the cable spare to damage, lead to signal interference between cable spare insulation damage and the cable spare, and the bending resistance that can effectively strengthen this device at the elastic rod that sets up between oil removal layer and wearing layer.

Description

Power composite cable for CVV bending-resistant drag chain

Technical Field

The utility model relates to the technical field of drag chain cables, in particular to a power composite cable for a CVV bending-resistant drag chain.

Background

CVV cable mainly used electrical equipment and power station control circuit's control etc. equipment unit need the occasion of round trip movement, in order to prevent that the cable from entangling each other, wearing and tearing, pulling off, hanging and scattering when equipment unit round trip movement, often put the cable into the cable tow chain, make the cable along with the tow chain round trip movement to protect the cable.

According to an anti-buckling tow chain cable that patent number CN212434284U discloses, "including outer protective layer and the many cable conductors of inlayer, the cable conductor includes the protective sheath, the shielding layer, insulating layer and cable core, the protective sheath, the shielding layer, insulating layer and cable core cladding in proper order, the protective layer includes the oversheath, many cable conductors of oversheath fastening cladding, central point puts and is provided with central spring in the oversheath, central spring is hugged closely to many cable conductors, along a plurality of protrusion strengthening ribs of circumference evenly distributed on the oversheath inner wall, its main technological effect is: this anti-bending tow chain cable is formed by a plurality of cable conductors of oversheath cladding, the central point that a plurality of cable conductors center on in the oversheath puts and is provided with central spring, central spring has formed great elasticity, can inject the cable conductor and bend in certain extent, because the spring effort, effectively prevented the cable conductor from excessively bending, the protection cable conductor, and the spring of chooseing for use comprises thin steel wire, the quality is lighter, the cable conductor is wrapped up by the oversheath at last, set up the protrusion strengthening rib in the oversheath, further prevent to bend, this anti-bending tow chain cable has elasticity, prevent to bend, long service life.

But current tow chain cable is when in actual use discovery, when the tow chain when equipment unit round trip movement, can extrude each other because of crooked between its inside cable, produces great frictional force, and long-term crooked wearing and tearing can accelerate the ageing of cable insulation skin to the damaged condition appears, lead to taking place the short circuit between the cable, the incident appears, very danger.

SUMMERY OF THE UTILITY MODEL

In order to achieve the purpose, the utility model provides the following technical scheme: the composite power cable for the CVV bending-resistant drag chain comprises cable pieces distributed in a circumferential array mode, wherein a protection piece is arranged between the cable pieces and used for buffering the extrusion acting force generated when the cable pieces are bent, oil separating layers are arranged outside the cable pieces and the protection piece, wear-resistant layers are arranged outside the oil separating layers, and elastic rods distributed in the circumferential array mode are arranged between the oil separating layers and the wear-resistant layers.

Preferably, the cable piece comprises a soft core cable and an inner insulating layer, wherein the soft core cable consists of a plurality of soft copper wires, and the inner insulating layer is arranged outside the soft core cable.

Preferably, the cable piece further comprises a cable shielding layer, and the cable shielding layer is arranged outside the inner insulating layer.

Preferably, the cable piece further comprises a cable filling layer, and the cable filling layer is arranged outside the cable shielding layer.

Preferably, the cable member further comprises an outer insulating layer disposed outside the cable filling layer.

Preferably, the protection member includes a middle elastic hose disposed at an axial center position between the plurality of cable members, and a middle elastic layer disposed inside the middle elastic hose.

Preferably, the protector further comprises elastic connection columns which are arranged on the outer wall of the middle elastic hose in a circumferential array, and each elastic connection column is located on a central line between two adjacent cable pieces.

Preferably, the protective member further comprises an outer elastic block and an outer elastic filler, the outer elastic block is fixedly mounted at the other end of the elastic connection column and is located on a central line between two adjacent cable members, and the outer elastic filler is arranged inside the outer elastic block.

Preferably, a protective filling layer is disposed between the cable member and the protective member and the oil-separating layer.

Preferably, separate the oil reservoir with be provided with the elasticity filling layer between the wearing layer, the elastic rod set up in inside the elasticity filling layer.

In the technical scheme, the utility model has the beneficial effects that:

1. this resistant crooked power composite cable that uses of tow chain of CVV sets up the protection piece between a plurality of cable spare, can be when the cable spare is crooked along with the tow chain activity, produces deformation with the extrusion effort absorption that produces between the cable spare through well elasticity hose in the protection piece and outer elastic block, prevents that mutual extrusion friction between the cable spare leads to inner insulation layer and outer insulation layer to damage.

2. This power composite cable is used to resistant crooked tow chain of CVV sets up inner insulating layer, cable shielding layer, cable filling layer and outer insulating layer in the outside of soft core cable, can form double insulation protection to soft core cable to prevent signal interference between a plurality of cable spare, and the bending resistance of this device can effectively be strengthened to the elastic rod that sets up between oil removal layer and wearing layer.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a front cross-sectional structural view of a cable member according to the present invention;

fig. 3 is a front cross-sectional structural view of the protector of the present invention.

In the figure: 1. a cable member; 2. a protective member; 3. separating an oil layer; 4. an elastic rod; 5. a wear layer; 6. a flexible core cable; 7. an inner insulating layer; 8. a cable shielding layer; 9. a cable filler layer; 10. an outer insulating layer; 11. a medium elastic hose; 12. a middle elastic layer; 13. an elastic connection column; 14. an outer elastic block; 15. external elastic filling; 16. a protective fill layer; 17. an elastic filling layer.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 3, the present invention provides a technical solution: a CVV bending-resistant power composite cable for a drag chain comprises cable pieces 1 distributed in a circumferential array mode, a protection piece 2 is arranged between the cable pieces 1, the protection piece 2 is used for buffering extrusion acting force generated between the cable pieces 1 when the cable pieces 1 are bent, oil separating layers 3 are arranged outside the cable pieces 1 and the protection piece 2, wear-resistant layers 5 are arranged outside the oil separating layers 3, elastic rods 4 distributed in a circumferential array mode are arranged between the oil separating layers 3 and the wear-resistant layers 5, the structural design is characterized in that the protection piece 2 is arranged between the cable pieces 1, so that when the cable pieces 1 are bent along with drag chain movement, the middle elastic hose 11 and the outer elastic block 14 in the protection piece 2 deform to absorb the extrusion acting force generated between the cable pieces 1, and the inner insulating layer 7 and the outer insulating layer 10 are prevented from being damaged due to mutual extrusion friction between the cable pieces 1, set up internal insulation layer 7, cable shielding layer 8, cable filling layer 9 and external insulation layer 10 in soft core cable 6's outside simultaneously, can form dual insulation protection to soft core cable 6 to prevent signal interference between a plurality of cable spare 1, and the elastic rod 4 that sets up between oil removal layer 3 and wearing layer 5 can effectively strengthen the bending resistance of this device.

As shown in fig. 1 and 2, in the further proposed technical solution of the present invention, in a manner of sequentially disposing the inner insulating layer 7, the cable shielding layer 8, the cable filling layer 9 and the outer insulating layer 10 outside the flexible core cable 6, the flexible core cable 6 can be protected by the inner insulating layer 7 and the outer insulating layer 10 in a double insulation manner, and the cable shielding layer 8 prevents signal interference between the cable members 1, and at the same time, the cable filling layer 9 forms a buffer zone among the inner insulating layer 7, the cable shielding layer 8 and the outer insulating layer 10, so as to reduce a friction force between the inner insulating layer 7 and the cable shielding layer 8 and the outer insulating layer 10.

As further shown in fig. 1 and 3, it can be seen that in some embodiments, it is preferable that the elastic connection column 13 is disposed between the middle elastic hose 11 and the outer elastic block 14 to form an isolation area between the middle elastic hose 11 and the outer elastic blocks 14, so that the cable members 1 in the isolation area do not contact with each other when the tow chain is bent, the cable members 1 are bent along with the bending of the tow chain, and a pressing force is applied to the protection member 2 in the protection filling layer 16, and at this time, the cable members 1 apply a force to the middle elastic hose 11 and the outer elastic block 14 to deform the middle elastic hose 11 and the outer elastic block 14, and press the middle elastic layer 12 and the outer elastic filling 15 inside the middle elastic hose 11 and the outer elastic block 14, and the pressing force between the cable members 1 is absorbed by deforming the middle elastic hose 11, the middle elastic layer 12, the outer elastic block 14 and the outer elastic filling 15, the inner insulating layer 7 and the outer insulating layer 10 of the cable piece 1 are prevented from being damaged due to mutual pressing friction between the cable pieces 1.

In the further proposed technical scheme of the utility model, when the drag chain is bent, the bending resistance of the device can be effectively enhanced by the elastic rod 4 arranged between the oil separation layer 3 and the wear-resistant layer 5, and the elastic rod 4 is separated from the oil separation layer 3 and the wear-resistant layer 5 by the elastic filling layer 17, so that the oil separation layer 3 and the wear-resistant layer 5 are prevented from being damaged by the elastic rod 4, and the protection effect of the oil separation layer 3 and the wear-resistant layer 5 is prevented from being influenced.

The elastic modulus of the elastic rod 4 and the elastic connecting column 13 mentioned above meets the technical requirements of the technical scheme of the utility model.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. The utility model provides a resistant crooked power composite cable of tow chain of CVV which characterized in that: including cable spare (1) that is circumference array distribution, it is a plurality of be provided with protection piece (2) between cable spare (1), protection piece (2) are used for a plurality of the extrusion effort buffering that produces each other when cable spare (1) is crooked, cable spare (1) with the outside of protection piece (2) is provided with separates oil reservoir (3), the outside that separates oil reservoir (3) is provided with wearing layer (5), separate oil reservoir (3) with be provided with between wearing layer (5) elastic rod (4) that are circumference array distribution.

2. The CVV bending resistant power composite cable for tow chain according to claim 1, wherein: the cable piece (1) comprises a soft core cable (6) and an inner insulating layer (7), wherein the soft core cable (6) is composed of a plurality of soft copper wires, and the inner insulating layer (7) is arranged outside the soft core cable (6).

3. The composite power cable for a CVV bend-resistant tow chain according to claim 2, wherein: the cable piece (1) further comprises a cable shielding layer (8), and the cable shielding layer (8) is arranged outside the inner insulating layer (7).

4. The power composite cable for a CVV bending-resistant towline of claim 3, wherein: the cable piece (1) further comprises a cable filling layer (9), and the cable filling layer (9) is arranged outside the cable shielding layer (8).

5. The composite power cable for a CVV bend-resistant tow chain according to claim 4, wherein: the cable piece (1) further comprises an outer insulating layer (10), and the outer insulating layer (10) is arranged outside the cable filling layer (9).

6. The composite power cable for a CVV bend-resistant tow chain according to claim 1, wherein: the protection piece (2) comprises a middle elastic hose (11) and a middle elastic layer (12), the middle elastic hose (11) is arranged at the axial center position among the cable pieces (1), and the middle elastic layer (12) is arranged inside the middle elastic hose (11).

7. The composite power cable for a CVV bend-resistant tow chain according to claim 6, wherein: the protection piece (2) further comprises elastic connecting columns (13), wherein the elastic connecting columns (13) are arranged on the outer wall of the middle elastic hose (11) in a circumferential array, and each elastic connecting column (13) is located on a central line between every two adjacent cable pieces (1).

8. The composite power cable for a CVV bend-resistant tow chain according to claim 7, wherein: the protection piece (2) further comprises an outer elastic block (14) and an outer elastic filler (15), the outer elastic block (14) is fixedly installed at the other end of the elastic connecting column (13) and is located on a central line between every two adjacent cable pieces (1), and the outer elastic filler (15) is arranged inside the outer elastic block (14).

9. The composite power cable for a CVV bend-resistant tow chain according to claim 1, wherein: and a protective filling layer (16) is arranged between the cable member (1) and the protective member (2) and the oil-separating layer (3).

10. The composite power cable for a CVV bend-resistant tow chain according to claim 1, wherein: separate oil reservoir (3) with be provided with elasticity filling layer (17) between wearing layer (5), elastic rod (4) set up in inside elasticity filling layer (17).