CN211045103U

CN211045103U - High tensile movable wire and cable

Info

Publication number: CN211045103U
Application number: CN202020167876.6U
Authority: CN
Inventors: 李方; 陈若怯; 李桂花
Original assignee: Shenzhen Henglide Industry Co ltd
Current assignee: Shenzhen Henglide Industry Co ltd
Priority date: 2020-02-13
Filing date: 2020-02-13
Publication date: 2020-07-17
Anticipated expiration: 2030-02-13

Abstract

The utility model relates to a high tensile removes wire and cable, including an at least cable core, the isolation layer of parcel cable core and the restrictive coating of parcel isolation layer, be provided with a plurality of first support frames in the isolation layer, a plurality of first support frames are arranged along the length direction of cable core, and first support frame includes the first backup pad of three group's tip reciprocal anchorage, and the circumference setting of waiting the angle between the first backup pad of three group is connected with the connecting chain between the adjacent first support frame, and the both ends of connecting chain are respectively with adjacent first support frame active link. By adopting the technical scheme, the compression resistance of the cable under pressure is improved through the first support frame, and at least two support plates are used for supporting the first support frame under pressure, so that a stable triangular structure is formed, and the cable core is protected. And when the cable bears the tensile force, the connecting chain has higher rigidity than the cable core, the isolation layer and the sheath layer, so that the overall tensile resistance of the cable is improved, and the cable core is protected.

Description

High tensile movable wire and cable

Technical Field

The utility model belongs to the technical field of the technique of electric wire and specifically relates to a high tensile removes wire and cable is related to.

Background

At present, electric wires and cables are wire products for transmitting electric energy, information and realizing electromagnetic energy conversion. A wire cable in a broad sense, also referred to as a cable for short, refers to an insulated cable, which can be defined as: the assembly consists of one or more insulated wire cores and a coating layer, a total protective layer and an outer protective layer which are possibly arranged on each insulated wire core.

The above prior art solutions have the following drawbacks: traditional wire and cable only played insulating effect usually, because the copper wire of conductor is soft and have fine ductility, when receiving stronger pulling force, the copper wire atress extends, and the tapering is cracked even, and in the removal occasion of high strength, the tensile strength can be relatively poor, and wire and cable life is shorter, has just so led to its instability in installation or use.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a high tensile removes wire and cable has better stretch-proofing performance.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a high tensile removes wire and cable, includes the isolation layer of an at least cable core, parcel cable core and the restrictive coating of parcel isolation layer, be provided with a plurality of first support frames in the isolation layer, it is a plurality of first support frame is followed the length direction of cable core arranges, first support frame includes the first backup pad of three group tip reciprocal anchorages, three groups the circumference setting such as between the first backup pad, adjacent be connected with the connecting chain between the first support frame, the both ends of connecting chain respectively with adjacent first support frame active link.

Through adopting above-mentioned technical scheme, isolation layer and restrictive coating protect the cable core, wherein through connecting chain swing joint between a plurality of first support frames of arranging along the length direction of cable in the isolation layer, first support frame wholly is the prism to compressive capacity when having improved the cable pressurized through first support frame, and have two backup pads at least to support when first support frame pressurized, form comparatively stable triangular structure, be favorable to protecting the cable core. The connection relation of the first support frame and the connection chain keeps the overall flexibility of the cable, and when the cable bears tension, the connection chain has higher rigidity than the cable core, the isolation layer and the sheath layer, so that the overall tensile resistance of the cable is improved, and the cable core is protected.

The present invention may be further configured in a preferred embodiment as: and a coil wound along the axis of the isolation layer is fixed on the inner circumferential surface of the isolation layer.

By adopting the technical scheme, the coil wound on the inner circumferential surface of the isolation layer is fixed, the coil has good bending performance and has the tendency of restoration when tension pressure is applied, so that the tensile property of the isolation layer is improved, and the cable core is protected.

The present invention may be further configured in a preferred embodiment as: the number of the cable cores is three, and each cable core and each first supporting plate are arranged at intervals.

Through adopting above-mentioned technical scheme, cable core quantity sets up to three and can separate through first backup pad to be favorable to increasing cable core quantity, improving information transmission efficiency or energy transmission efficiency the time, make mutual isolation between the adjacent cable core, reduce electromagnetic reaction's influence.

The present invention may be further configured in a preferred embodiment as: the first support frames are replaced by second support frames, the second support frames are arranged along the length direction of the cable core, each second support frame comprises at least four groups of second support plates with end portions fixed to each other, the second support plates are circumferentially arranged at equal angles, and two ends of each connecting chain are movably connected with the adjacent second support frames respectively.

Through adopting above-mentioned technical scheme, first support frame replacement is for the second support frame that includes four groups of second backup pads at least, and the equal angle circumference sets up between the second backup pad to make the contained angle between the adjacent second backup pad littleer, be favorable to improving the bearing capacity of second backup pad, and have more second backup pads to separate the cable core, increase the quantity of cable core, improve information or transmission efficiency of energy. Wherein the connecting chain is movably connected with the second support frame, which is beneficial to keeping the flexibility of the cable.

The present invention may be further configured in a preferred embodiment as: the number of the cable cores is the same as that of the second supporting plates, and the cable cores and the second supporting plates are arranged at intervals.

By adopting the technical scheme, the number of the cable cores is the same as that of the second supporting plates, so that gaps formed between the adjacent second supporting plates are filled, the space utilization rate in the cable is improved as much as possible, and the information or energy transmission efficiency of the cable is improved.

The present invention may be further configured in a preferred embodiment as: the cable core is wrapped by an insulating layer, and the insulating layer is an ethylene propylene rubber layer.

By adopting the technical scheme, the insulating layer made of the ethylene propylene rubber has good electrical insulating property, high filling property and water resistance, so that the cable core has strong insulating property and water resistance.

The present invention may be further configured in a preferred embodiment as: and a water-blocking layer is also arranged between the isolation layer and the sheath layer and is formed by wrapping a water-blocking tape.

Through adopting above-mentioned technical scheme, can expand rapidly after the water blocking tape meets water, closely knit the clearance between filling isolation layer and the restrictive coating, prevent the vertical diffusion in the clearance of moisture along the cable core to realize the vertical waterproof purpose of cable.

The present invention may be further configured in a preferred embodiment as: the isolation layer and the sheath layer are made of thermoplastic polyurethane elastomer rubber.

By adopting the technical scheme, the thermoplastic polyurethane elastomer rubber has the characteristics of wear resistance, oil resistance and high hardness, so that the cable has higher wear resistance, the water-blocking layer, the insulating layer and the cable core in the cable can be prevented from being damaged by friction generated in the use of the cable, and the electric insulation and wear-resistant protection of the cable are realized.

To sum up, the utility model discloses following beneficial effect has:

1. the first support frame with the triangular-prism-like section is arranged in the cable, so that the compression resistance of the cable under compression is improved through the first support frame, and at least two support plates support the first support frame under compression to form a stable triangular structure, so that the cable core is protected;

2. the first support frame is connected with the connecting chain, so that the flexibility of the whole cable is kept, and the connecting chain has higher rigidity than the cable core, the isolation layer and the sheath layer when the cable bears tensile force, thereby improving the tensile resistance of the whole cable and being beneficial to protecting the cable core;

3. through setting up cable core and first backup pad interval setting, be favorable to increasing cable core quantity, improving information transmission efficiency or energy transmission efficiency the time, make mutual isolation between the adjacent cable core, reduce electromagnetic reaction's influence.

Drawings

FIG. 1 is a schematic sectional view of example 1;

FIG. 2 is a view showing the internal structure of embodiment 1;

FIG. 3 is a schematic sectional view of example 2;

fig. 4 is an internal structural view of embodiment 2.

Reference numerals: 1. a cable core; 11. an insulating layer; 21. an isolation layer; 22. a sheath layer; 23. a water resistant layer; 3. a first support frame; 31. a first support plate; 4. a connecting chain; 5. a coil; 6. a second support frame; 61. a second support plate; 7. and (4) a notch.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

as shown in fig. 1 to 2, the utility model discloses a high tensile mobile electric wire and cable, including three cable cores 1 that are used for electrically conducting or transmitting information of group, 1 outer peripheral face parcel of cable core has insulating layer 11, and insulating layer 11 is the EPR layer. The three groups of cable cores 1 are sequentially wrapped with an isolation layer 21, a water-blocking layer 23 and a sheath layer 22, wherein the isolation layer 21 and the sheath layer 22 are both made of thermoplastic polyurethane elastomer rubber, and the water-blocking layer 23 is formed by wrapping a water-blocking tape.

The thermoplastic polyurethane elastomer rubber has the characteristics of wear resistance, oil resistance and high hardness, so that the high-tensile mobile electric wire and cable has high wear resistance, the water-blocking layer 23, the insulating layer 11 and the cable core 1 in the cable can be prevented from being damaged by friction generated in the use of the high-tensile mobile electric wire and cable, and the electric insulation and wear-resistant protection of the cable can be realized. The water-blocking tape can expand rapidly after meeting water, the gap between the isolation layer 21 and the sheath layer 22 is compactly filled, and the water is prevented from longitudinally diffusing along the gap of the cable core 1, so that the longitudinal waterproof purpose of the cable is realized.

A plurality of first support frames 3 are placed in the isolation layer 21, the plurality of first support frames 3 are arranged along the length direction of the cable core 1, the first support frames 3 comprise three groups of first support plates 31 with end parts fixed to each other, the three groups of first support plates 31 are arranged in an equal-angle circumferential mode, connecting chains 4 are connected between the adjacent first support frames 3, two ends of each connecting chain 4 are movably connected with the adjacent first support frames 3 respectively, and the first support frames 3 and the connecting chains 4 are made of rigid materials. Wherein, the inner peripheral surface of the isolation layer 21 is fixed with a coil 5 wound along the axis of the isolation layer 21, the coil 5 has certain strength, and has the tendency of recovery when being pulled and pressed.

The implementation principle of the embodiment is as follows:

this high tensile removes wire and cable has improved the compressive capacity when the outer peripheral face pressurized through first support frame 3 to at least two backup pads support when first support frame 3 is pressurized, form comparatively stable triangular structure, are favorable to protecting cable core 1. The connection relation of the first support frame 3 and the connection chain 4 keeps the overall flexibility of the cable, and when the cable bears tension, the connection chain 4 has higher rigidity than the cable core 1, the isolation layer 21 and the sheath layer 22, so that the overall tensile resistance of the cable is improved, and the cable core 1 is protected.

Example 2:

as shown in fig. 3 to 4, the present embodiment is different from embodiment 1 in that: the first support frames 3 are replaced by second support frames 6, the second support frames 6 are arranged along the length direction of the cable core 1, the second support frames 6 comprise at least four groups of second support plates 61 with end parts fixed with each other, the second support plates 61 are arranged in an equiangular circle, and two ends of the connecting chain 4 are movably connected with the adjacent second support frames 6 respectively. The number of the cable cores 1 is the same as that of the second supporting plates 61, and each cable core 1 and each second supporting plate 61 are arranged at intervals. The second supporting plates 61 can be four groups, five groups, and the like, and the corresponding cable cores 1 are also four groups or five groups.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a high tensile mobile wire cable, includes isolation layer (21) and restrictive coating (22) of parcel isolation layer (21) of at least one cable core (1), parcel cable core (1), characterized by: be provided with a plurality of first support frames (3) in isolation layer (21), it is a plurality of first support frame (3) are followed the length direction of cable core (1) arranges, first support frame (3) are including three first backup pad (31) of group's tip reciprocal anchorage, three groups angle circumference setting such as between first backup pad (31) is adjacent be connected with connecting chain (4) between first support frame (3), the both ends of connecting chain (4) are respectively with adjacent first support frame (3) swing joint.

2. The high tensile mobile wire cable according to claim 1, wherein: and a coil (5) wound along the axis of the isolation layer (21) is fixed on the inner circumferential surface of the isolation layer (21).

3. The high tensile mobile wire cable according to claim 1, wherein: the number of the cable cores (1) is three, and each cable core (1) and each first supporting plate (31) are arranged at intervals.

4. The high tensile mobile wire cable according to claim 1, wherein: the first support frames (3) are replaced by second support frames (6), the second support frames (6) are arranged along the length direction of the cable core (1), the second support frames (6) comprise at least four groups of second support plates (61) with end portions fixed to each other, the second support plates (61) are arranged in a circle at equal angles, and two ends of each connecting chain (4) are movably connected with the adjacent second support frames (6) respectively.

5. The high tensile mobile wire cable according to claim 4, wherein: the number of the cable cores (1) is the same as that of the second supporting plates (61), and the cable cores (1) and the second supporting plates (61) are arranged at intervals.

6. The high tensile mobile wire cable according to claim 1, wherein: the cable core (1) is wrapped by an insulating layer (11), and the insulating layer (11) is an ethylene propylene rubber layer.

7. The high tensile mobile wire cable according to claim 1, wherein: and a water-blocking layer (23) is further arranged between the isolation layer (21) and the sheath layer (22), and the water-blocking layer (23) is formed by wrapping a water-blocking tape.

8. The high tensile mobile wire cable according to claim 1, wherein: the isolation layer (21) and the sheath layer (22) are made of thermoplastic polyurethane elastomer rubber.