CN114171248B - Cable structure and manufacturing method thereof - Google Patents

Abstract

The invention provides a pipe cable structure and a manufacturing method of the pipe cable structure, wherein the pipe cable structure comprises the following components: a core assembly; the woven bearing layer is wrapped on the outer side of the core body component; the sheath layer wraps the outer side of the woven bearing layer. Through the technical scheme that this application provided, can effectively improve the bearing and the travelling performance of pipe cable, solve the problem that pipe cable weight is big and bending radius is big among the prior art.

Description

Cable structure and manufacturing method thereof

Technical Field

The invention relates to the technical field of cables, in particular to a cable structure and a manufacturing method of the cable structure.

Background

At present, the traditional cable is characterized in that cores are arranged according to functional requirements, the whole cable penetrates into a sheath, and then gaps between the cores and the sheath are filled in a glue filling and solidifying mode, so that the core assembly is prevented from moving and twisting in the sheath. So that the sheath maintains a certain tightness with the core. Although the process can play a certain role in fixation, the use of a large amount of filling materials greatly increases the weight, bending radius and cost of the whole cable and greatly limits the use environment of the cable.

Disclosure of Invention

The invention provides a cable structure and a manufacturing method thereof, which are used for solving the problems of heavy weight and large bending radius of a cable in the prior art.

According to one aspect of the present invention, there is provided a umbilical structure comprising: a core assembly; the woven bearing layer is wrapped on the outer side of the core body component; the sheath layer wraps the outer side of the woven bearing layer.

Further, the umbilical structure includes a plurality of braided bearing layers and a plurality of jacket layers, the plurality of braided bearing layers and the plurality of jacket layers being alternately disposed about the periphery of the core assembly.

Further, the knitted load bearing layer is made of a metallic material or a fibrous material.

Further, the core assembly includes: a plurality of first cores; the second core is arranged at the periphery of the plurality of first cores.

Further, the core assembly further comprises a spacer disposed between the first core and the second core, the spacer having a first side and a second side disposed opposite to each other, the first side of the spacer being adapted to the sidewall of the first core, the second side of the spacer being adapted to the sidewall of the second core.

Further, the core assembly further comprises: the first parcel cover, the outside at many first core and second core is wrapped up in to first parcel cover, and first parcel cover is used for fixing the position of first core and second core.

Further, the core assembly further comprises: the second wrapping sleeve is sleeved outside the first wrapping sleeve, the section of the outer wall of the second wrapping sleeve is round, and the shape of the inner wall of the second wrapping sleeve is matched with the shape of the outer wall of the first wrapping sleeve.

According to another aspect of the present invention, there is provided a method for manufacturing a umbilical structure, the umbilical structure being provided as described above, the method comprising: disposing a braided load bearing layer on the outside of the core assembly; the sheath layer is arranged on the outer side of the woven bearing layer.

Further, the core assembly includes a plurality of first cores, and before the braided bearing layer is disposed on the outer side of the core assembly, the manufacturing method further includes: placing a second core between the plurality of first cores so that a gap is formed between two adjacent first cores; the core component is wrapped by the second wrapping sleeve, so that the outer side of the core component is of a circular structure; the woven bearing layer is arranged on the outer side of the second wrapping sleeve.

Further, the sheath layer is arranged on the outer side of the woven bearing layer, and specifically comprises: coating raw rubber on the outer side of the woven bearing layer; heating the raw rubber by adopting a high-temperature curing process; and cooling the heated raw rubber.

By applying the technical scheme of the invention, the pipe cable structure comprises the core body component, the braided bearing layer and the sheath layer, wherein the braided bearing layer is wrapped on the outer side of the core body component, and the sheath layer is wrapped on the outer side of the braided bearing layer, so that the braided bearing layer can be utilized to replace the existing glue pouring process, the position of the core body component in the sheath layer is fixed through the braided bearing layer without glue pouring and solidification, the integral weight of the pipe cable structure can be greatly reduced, the diameter of the pipe cable is reduced, the braided bearing layer has stronger toughness, can bear the acting force in various states such as bending, hanging and the like, the application range of the pipe cable structure is widened, and the pipe cable structure is convenient for workers to use. And the braided bearing layer is tightly combined with the core body component, so that the overall bearing capacity and the moving performance can be effectively improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

FIG. 1 shows a schematic view of a umbilical structure provided in accordance with an embodiment of the present invention;

fig. 2 shows a cross-sectional view of the umbilical structure of fig. 1.

Wherein the above figures include the following reference numerals:

10. a core assembly; 11. a first core; 12. a second core; 13. a first wrap; 14. and a second wrapping sleeve.

20. Weaving a bearing layer;

30. a sheath layer; 40. a spacer.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 1 and 2, an embodiment of the present application provides a umbilical structure, including: a core assembly 10, a braided bearing layer 20 and a jacket layer 30. Wherein, weave spandrel layer 20 parcel is in the outside of core subassembly 10, and restrictive coating 30 parcel is in the outside of weaving spandrel layer 20, and it has the guard action.

Through the utility model provides a pipe cable structure, this pipe cable structure includes core subassembly 10, weave spandrel layer 20 and restrictive coating 30, wherein, wrap up the outside at core subassembly 10 with weaving spandrel layer 20, wrap up restrictive coating 30 in the outside of weaving spandrel layer 20, can utilize weaving spandrel layer 20 to replace current encapsulating technology like this, fix the position of core subassembly 10 in restrictive coating 30 through weaving spandrel layer 20, need not the encapsulating solidification, can greatly reduced pipe cable structure overall weight like this, reduce pipe cable diameter, and weave spandrel layer 20 and have stronger toughness, it has increased pipe cable flexibility, reduced pipe cable bending radius, can bear the effort under multiple states such as crooked, hang, the installation difficult problem in little space has been solved, pipe cable structure's application range has been widened, the staff uses conveniently. And moreover, the manufacturing cost of the pipe cable can be reduced, and the overall bearing capacity and the moving performance can be effectively improved.

Wherein, the umbilical structure may include a plurality of braided bearing layers 20 and a plurality of sheathing layers 30, the plurality of braided bearing layers 20 and the plurality of sheathing layers 30 being alternately disposed at the periphery of the core assembly 10. Thus, the overall strength of the cable structure can be enhanced by providing a plurality of woven bearing layers 20 and sheath layers 30, and the service life of the cable can be prolonged. In addition, the sheath layer 30 is arranged between two adjacent braided bearing layers 20, so that the mutual friction of the braided bearing layers 20 can be avoided, and the moving performance of the cable is improved. In this embodiment, the umbilical structure has 2 braided bearing layers 20, each layer being interwoven by 24 strands of galvanized steel wire on the outside of the core assembly 10.

Wherein the knitted ballast layer 20 is cross-knit from a plurality of sets of knit fabrics to the outside of the core assembly 10, with up to 98% coverage. The knitted fabric has smaller size and structure, and the knitted bearing layer formed by the method has higher toughness and can bear the acting force in various states such as bending, hanging and the like.

The choice of braid may be determined by the type of cable. For the cable, the metal braid can be adopted to play roles in protection, shielding and bearing, and the bending radius of the sleeve cable can be adjusted through the density of the braid to protect the internal cable from being excessively bent; for the hydraulic rubber tube or the optical fiber, the fiber braided fabric can be adopted, so that the hydraulic rubber tube or the optical fiber braided fabric can play roles in protection and bearing at the same time, and the weight can be reduced. And the bending radius of the cable structure can be adjusted by adjusting the material and the density of the braided fabric. The bearing capacity of the cable structure can be adjusted by adjusting the material, the strand number and the braiding layer number of the braided fabric.

Specifically, the core assembly 10 includes: a plurality of first cores 11 and second cores 12. The second core 12 is provided between the plurality of first cores 11, and the second core 12 can fix the first cores 11. The relative positions of the plurality of first cores 11 can be maintained unchanged through the second cores 12, the second cores 12 can be made of rubber materials or other soft materials, and the first cores 11 can be separated from each other, and meanwhile, the outer skins of the first cores 11 can be prevented from being worn out to cause surface damage.

The number and the size of the second cores 12 may be set as required, in this embodiment, the number of the first cores 11 is three, the second cores 12 may be set in the middle of the core assembly 10, the three first cores 11 are set on the outer sides of the second cores 12 along the circumferential direction, and the second cores 12 are set between two adjacent first cores 11, so as to further enhance the fixing effect on the first cores 11.

Specifically, the core assembly 10 further includes a spacer 40, where the spacer 40 is disposed between the first core 11 and the second core 12, the spacer 40 has a first side and a second side that are disposed opposite to each other, the first side of the spacer 40 is adapted to the sidewall of the first core 11, and the second side of the spacer 40 is adapted to the sidewall of the second core 12. Through setting up the spacer 40 can let have the clearance between first core 11 and the second core 12, with the first side and the second side of spacer 40 respectively with first core 11 and the looks adaptation of second core 12, can make spacer 40 and first core 11 and second core 12 hug closely like this, play the fixed action.

In this embodiment, the core assembly 10 further includes a first wrapping sleeve 13, where the first wrapping sleeve 13 wraps the outer sides of the plurality of first cores 11 and the second cores 12, and the first wrapping sleeve 13 is used to fix the positions of the first cores 11 and the second cores 12. The first core 11 and the second core 12 may be wrapped and fixed by the first wrapping sleeve 13 to avoid relative movement of the first core 11 and the second core 12. Specifically, the first wrapping 13 wraps the first core 11, the second core 12, and the outside of the separator 40.

Specifically, the core assembly 10 further includes a second wrapping sleeve 14, the second wrapping sleeve 14 is sleeved on the outer side of the first wrapping sleeve 13, the outer wall section of the second wrapping sleeve 14 is circular, and the shape of the inner wall of the second wrapping sleeve 14 is matched with the shape of the outer wall of the first wrapping sleeve 13. By providing the second wrapping sleeve 14, the structural shape of the core assembly 10 can be circular, and convenience is provided for adding the woven bearing layer 20 and the sheath layer 30 at the back, and subsequent processing is facilitated.

Through the pipe cable structure that this embodiment provided, can guarantee that the basic space position of core body subassembly in the pipe cable can not change, set up in turn in the core body subassembly 10 outside and weave spanned layer 20 and restrictive coating 30 and consolidate, can improve the dynamic performance and the mechanical strength of pipe cable. The number of layers of the braided bearing layer 20 and the sheath layer 30 can be adjusted according to the outer diameter size and the weight of the cable, and the ideal effect is obtained. By adopting the structure, the mechanical strength and bending times of the pipe cable in dynamic use can be effectively improved, so that the pipe cable can be used in various high dynamic environments such as suspension, bending, horizontal dragging and the like.

Still another embodiment of the present application provides a method for manufacturing a cable structure, where the cable structure is the cable structure provided in the foregoing embodiment, and the method includes:

the braiding bearing layer is arranged on the outer side of the core body component, specifically, the core body component can be placed on the horizontal guide rail, the core body component is pulled to move along the guide rail, the core body component passes through the braiding machine when moving horizontally, and the braiding machine is used for covering the braiding machine with the braiding machine in a cross braiding mode.

The sheath layer is arranged on the outer side of the woven bearing layer, and specifically, the sheath layer can be wrapped on the outer side of the woven bearing layer in a wrapping, coating or rubber vulcanization mode.

Through the manufacturing method, the braided bearing layer is wrapped on the outer side of the core body component, the sheath layer is wrapped on the outer side of the braided bearing layer, the braided bearing layer can be used for replacing the existing glue pouring process, the position of the core body component in the sheath layer is fixed through the braided bearing layer, the integral weight of the cable structure can be greatly reduced, the braided bearing layer has stronger toughness, can bear acting forces in various states such as bending and hanging, the application range of the cable structure is widened, and the cable structure is convenient for workers to use.

Wherein, the core body subassembly includes a plurality of first cores, will weave the spandrel layer before the outside of core body subassembly, this manufacturing method still includes: placing a second core between the plurality of first cores so that a gap is formed between two adjacent first cores; the core component is wrapped by the second wrapping sleeve, so that the outer side of the core component is of a circular structure; the woven load bearing layer is arranged on the outer side of the second wrapping sleeve.

Through the adoption of the structure, gaps can be formed between the cores, the cores are prevented from being worn mutually, and the cores can be fixed by the aid of the second cores. The outside of the core body component is wrapped into a round structure, so that convenience can be brought to the subsequent setting of the woven bearing layer and the sheath layer.

The sheath layer is arranged on the outer side of the woven bearing layer, and specifically comprises: coating raw rubber on the outer side of the woven bearing layer; heating the raw rubber by adopting a high-temperature curing process; and cooling the heated raw rubber. Raw rubber is added to the outer side of the woven bearing layer after being melted at instant high temperature, and meanwhile, the cooling process is immediately carried out, so that the performance of the core body in the cable core body can be guaranteed not to be affected.

Specifically, in this embodiment, the braided cable is moved horizontally, and sequentially passes through the polyurethane coating area, the heating and curing chamber, the spraying cooling area and the ventilation drying area, so that a layer of polyurethane can be added to the outer side of the braided bearing layer to serve as a sheath layer.

The manufacturing method provided by the above embodiment has the following advantages:

1. the complex processes of sheath penetration, glue filling and the like of the traditional pipe cable are avoided, the whole manufacturing process is simple, the process mechanical property is high, the production efficiency is high, and the period is short;

2. the woven bearing layer and the sheath layer are convenient to manufacture, the cost is low, and the manufacturing cost can be effectively reduced;

3. the weaving and high-temperature curing process is adopted, so that the tightness between the weaving bearing layer and the sheath layer and the core assembly is improved, the second core body is arranged between the cores to effectively separate the cores, the cores are prevented from shaking inside, friction damage between the cores is avoided, and the service life of the cable is effectively prolonged; in the manufacturing process, heat is not basically transferred to the interior of the cable, so that the performance of elements in the cable is not affected;

4. the pipe cable has smaller size, good bearing property, mobility and bending property, and wider application working condition range;

5. the manufacturing method avoids the complicated processes of sheathing, glue filling and the like of the traditional pipe cable, has higher toughness of the braided bearing layer, and avoids the phenomenon that the traditional shielding metal wire is broken and inserted into the pipe cable in the use process, thereby ensuring the functionality of the pipe cable, prolonging the service life of the pipe cable, greatly improving the production efficiency and reducing the production cost.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A umbilical structure, the umbilical structure comprising:

a core assembly (10);

a woven load-bearing layer (20) wrapped outside the core assembly (10), the coverage rate of the woven load-bearing layer (20) on the core assembly (10) being 98%;

a sheath layer (30) wrapping the outer side of the woven bearing layer (20);

the core assembly (10) comprises:

a plurality of first cores (11);

a second core (12) provided on the periphery of the plurality of first cores (11);

the isolation piece (40) is arranged between the first core body (11) and the second core body (12), the isolation piece (40) is provided with a first side, a second side and a third side which are oppositely arranged, the first side of the isolation piece (40) is matched with the side wall of the first core body (11), the second side of the isolation piece (40) is matched with the side wall of the second core body (12), and the third side is a plane;

the first wrapping sleeve (13) wraps the outer sides of the first cores (11), the second cores (12) and the isolating pieces (40), the first wrapping sleeve (13) is used for fixing the positions of the first cores (11) and the second cores (12), and part of inner walls of the first wrapping sleeve (13) are attached to the third sides;

the second wrapping sleeve (14), the outside of first parcel cover (13) is established to second wrapping sleeve (14), the outer wall cross-section of second wrapping sleeve (14) is circular, the inner wall shape of second wrapping sleeve (14) with the outer wall looks adaptation of first parcel cover (13).

2. The umbilical structure of claim 1, wherein the umbilical structure comprises a plurality of the braided load bearing layers (20) and a plurality of the jacket layers (30), the plurality of braided load bearing layers (20) and the plurality of jacket layers (30) being alternately disposed at the periphery of the core assembly (10).

3. A umbilical structure according to claim 1, characterized in that the braided bearing layer (20) is made of a metallic material or a fibrous material.

4. A method of manufacturing a umbilical structure, characterized in that the umbilical structure is the umbilical structure of any one of claims 1 to 3, the method comprising:

disposing a braided load bearing layer on the outside of the core assembly;

and arranging a sheath layer on the outer side of the woven bearing layer.

5. The method of manufacturing of claim 4, wherein the core assembly includes a plurality of first cores, the woven load bearing layer being disposed prior to the outer side of the core assembly, the method of manufacturing further comprising:

placing second cores among the first cores so that gaps are formed between two adjacent first cores;

wrapping the core assembly by a second wrapping sleeve so that the outer side of the core assembly is of a circular structure;

the woven bearing layer is arranged on the outer side of the second wrapping sleeve.

6. The method of manufacturing according to claim 4, wherein providing a jacket layer outside the knitted load bearing layer, specifically comprises:

coating raw rubber on the outer side of the woven bearing layer;

heating the raw rubber by adopting a high-temperature curing process;

and cooling the heated raw rubber.