CN215954910U - Photoelectric composite cable for pipeline cleaning robot - Google Patents

Abstract

The utility model discloses a photoelectric composite cable for a pipeline cleaning robot, which comprises a longitudinally extending composite cable core, a water-blocking wrapping tape, an outer sheath and a tensile element, wherein the composite cable core is arranged on the outer sheath; the composite cable core comprises an optical fiber element and two groups of conductive wire cores, and the conductive wire cores are provided with insulating layers; on the cross section perpendicular to the longitudinal direction, the tensile element is arranged in the center of the composite cable core, the water-blocking wrapping tape is overlapped and wrapped outside the composite cable core, and the outer sheath is tightly wrapped outside the water-blocking wrapping tape. The photoelectric composite cable is formed by combining the optical fiber and the cable, so that the space is saved, and the joint space and a waterproof device are reduced; the tensile element can improve the tensile property of the photoelectric composite cable and protect the optical fiber element from being broken or bent; the outer layer of the composite cable core is overlapped and wrapped with the water-blocking tape and then tightly extruded with the outer sheath, so that the waterproof and sludge-proof effects can be better achieved, and the signal duration is ensured.

Description

Photoelectric composite cable for pipeline cleaning robot

Technical Field

The utility model relates to the technical field of cables, in particular to a photoelectric composite cable for a pipeline cleaning robot.

Background

Generally, the optical cable and the electric cable used in the pipeline cleaning robot are laid separately. The pipeline cleaning robot is compact in internal space, the working environment is humid, much sludge is generated, the working area is small, the laying and arrangement of a plurality of cables are difficult, the risk of damage exists, and the maintenance difficulty is increased. For example, when the optical fiber and the cable are vertically placed into a pipeline or work in a turn along with the pipeline cleaning robot, the problem that the optical fiber is broken or bent exists.

Chinese utility model patent publication No. CN210378516U discloses a special photoelectricity composite cable of wisdom city utility tunnel, has not only realized optic fibre, power, control cable's complex, has still increased the cable and has blocked water fire-retardant, fire-resistant and resistance to compression performance etc.. The cable comprises a composite cable core, a double-layer insulation layer, a water-blocking rope filling layer, a water-blocking tape wrapping belt, an inner lining oxygen-isolating layer, an armor layer and an outer sheath layer; the composite cable core is internally filled with a water-blocking rope; the composite cable comprises a composite cable core and is characterized in that a water blocking tape wrapping belt is wrapped outside the composite cable core, a lining oxygen-isolating layer is extruded outside the water blocking tape wrapping belt, an armor layer is wrapped outside the lining oxygen-isolating layer, and an outer sheath layer is extruded outside the armor layer. The photoelectric composite cable solves the problem of compositing of optical fibers and cables and improves the sealing and waterproof performance, but cannot improve the tensile and bending performance of the photoelectric composite cable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a photoelectric composite cable for a pipeline cleaning robot, which integrates a cable and optical fibers together, synchronously solves the problems of power supply and signal access of equipment, has better sealing and waterproof performance compared with the prior art, and can improve the tensile and bending properties of the composite cable.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a photoelectric composite cable for a pipeline cleaning robot comprises a composite cable core, a water-blocking wrapping belt and an outer sheath, wherein the composite cable core extends longitudinally; the composite cable core comprises an optical fiber element and two groups of conductive wire cores, and an insulating layer is arranged outside each conductive wire core; on the vertical cross section of perpendicular to, the compound cable core outside is wrapped the band that blocks water, the outside cladding oversheath of band that blocks water, its structural feature is: the composite cable further comprises a tensile element extending in the longitudinal direction, and the tensile element is arranged in the center of the composite cable core.

The optical fiber and the cable are arranged in a composite mode, the structure is compact, the construction space is effectively saved, and a waterproof device is reduced; the composite cable core is cabled, lapped with the water-blocking tape and then tightly extruded with the outer sheath, so that the waterproof and sludge-proof effects are better achieved, and the signal continuity is ensured; because the tensile element is arranged in the center of the composite cable core, when the photoelectric composite cable is vertically placed into a pipeline or turns along with a pipeline cleaning robot, the photoelectric composite cable is stressed on the tensile element, so that the optical fiber can be effectively protected from being broken or bent, and the tensile and bending properties of the composite cable are effectively improved.

Furthermore, in order to enhance the tensile property of the photoelectric composite cable, the tensile element is arranged in the center of the composite cable core, and meanwhile, the tensile element is also arranged at the side gap of the composite cable core. The number of the tensile elements can be increased according to the tensile force required in practice.

Preferably, the tensile element is an aramid rope. Pipeline cleaning robot can make the compound cable of photoelectricity crooked when putting into the pipeline perpendicularly or turn the during operation, and the bending property that can effectively improve the compound cable of photoelectricity is strengthened to tensile component adoption aramid fiber rope, also can make the cable softer.

In particular, the tensile element is made of tear cords.

Preferably, the conductive wire core is a soft tinned copper conductor.

Preferably, the insulating layer is made of cross-linked polyethylene.

Preferably, the outer sheath is made of polyurethane material.

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

1. because the tensile element is arranged in the center of the composite cable core, when the photoelectric composite cable is vertically placed into a pipeline or turns along with a pipeline cleaning robot, the stress position is on the tensile element, the optical fiber can be effectively protected from being broken or bent, and the tensile and bending properties of the photoelectric composite cable are effectively improved. Meanwhile, the number of the tensile elements can be increased according to the tensile strength required in practice.

2. The optical fiber and the cable are arranged in a composite mode, the structure is compact, the construction space is effectively saved, and the waterproof device is reduced.

3. The outer layer of the composite cable core is overlapped and wrapped with the water-blocking tape and then tightly extruded with the outer sheath, so that the waterproof and sludge-proof effects can be better achieved, and the signal duration is ensured.

Drawings

Fig. 1 is a schematic structural view of a photoelectric composite cable for a pipe cleaning robot.

In the figure

1-optical fiber element, 2-insulating layer, 3-tensile element, 4-conductive wire core, 5-water-blocking wrapping tape and 6-outer sheath.

Detailed Description

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1, the photoelectric composite cable for the pipeline cleaning robot in this embodiment includes a composite cable core, a tensile element 3, a water-blocking tape 5, and an outer sheath 6; the composite cable core comprises a group of optical fiber elements 1 and two groups of conductive wire cores 4, and the conductive wire cores 4 are provided with insulating layers 2; the water-blocking tape 5 is lapped and lapped in a cabled manner outside the composite cable core, and the outer sheath 6 is tightly wrapped outside the water-blocking tape 5; the four groups of tensile elements 3 are respectively arranged at the center and the side clearance of the composite cable core. The conductive wire core 4 is made of a soft tin-plated copper conductor, the insulating layer 2 is made of a cross-linked polyethylene material, the outer sheath 6 is made of a polyurethane material, and the tensile element 3 is reinforced by a tearing rope.

According to the photoelectric composite cable for the pipeline cleaning robot, the optical fiber element and the conductive wire core are arranged in a composite mode, so that the effect of saving space is achieved, and the joint space and the waterproof device are reduced; the used tensile element can enhance the tensile property of the photoelectric composite cable and protect the optical fiber element from being broken or bent; the outer layer of the composite cable core is overlapped and wrapped with the water-blocking tape and then tightly extruded with the outer sheath, so that the waterproof and sludge-proof effects can be better achieved, and the signal duration is ensured.

The above-described embodiments are set forth so that this disclosure will be thorough and complete, and will not be limited by any theory presented in the preceding claims, which may suggest themselves to those skilled in the art after reading this disclosure and all equivalents thereof that fall within the scope of the utility model as defined in the claims appended hereto.

Claims (7)

1. A photoelectric composite cable for a pipeline cleaning robot comprises a composite cable core, a water-blocking wrapping belt (5) and an outer sheath (6), wherein the composite cable core extends longitudinally; the composite cable core comprises an optical fiber element (1) and two groups of conductive wire cores (4), wherein an insulating layer (2) is arranged outside each conductive wire core (4); on the vertical cross section of perpendicular to, the compound cable core outside is wrapped band (5) that blocks water, the outside cladding oversheath (6) of band (5) that blocks water, its characterized in that: the composite cable further comprises a tensile element (3) extending in the longitudinal direction, and the tensile element (3) is arranged in the center of the composite cable core.

2. The optical-electrical composite cable for a pipe cleaning robot according to claim 1, wherein: the tensile element (3) is also arranged at the side gap of the composite cable core.

3. The optical-electrical composite cable for a pipe cleaning robot according to claim 1 or 2, wherein: the tensile element (3) is made of aramid fiber ropes.

4. The optical-electrical composite cable for a pipe cleaning robot according to claim 3, wherein: the tensile element (3) is made of tear rope.

5. The optical-electrical composite cable for a pipe cleaning robot according to claim 1, wherein: the conductive wire core (4) adopts a soft tinned copper conductor.

6. The optical-electrical composite cable for a pipe cleaning robot according to claim 1, wherein: the insulating layer (2) is made of cross-linked polyethylene.

7. The optical-electrical composite cable for a pipe cleaning robot according to claim 1, wherein: the outer sheath (6) is made of polyurethane material.

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