A cable for deep-water equipment

Abstract

The present application discloses a technology related to cables. A cable for deep-water equipment includes a plurality of wires and an oxygen pipe. The oxygen pipe is close to the center position of the cable cross-section. A collar is coaxially sleeved on the oxygen pipe. The plurality of wires are stranded on the circumferential side of the collar. The collars are distributed at intervals along the length direction of the oxygen pipe. The present application can make the oxygen delivery of the oxygen pipe smoother.

Description

Technical Field

[0001] This application relates to the technical field of cables, and in particular to a cable for deep-water equipment. Background Art

[0002] At present, most underwater equipment still requires personnel to carry the connecting cable of the machine into the water for operation.

[0003] In the existing cable structure for underwater equipment, an oxygen pipeline is also added to facilitate oxygen supply to the operators. However, during the operation, this type of cable is prone to oxygen pipeline blockage due to cable bending, resulting in hypoxia accidents. Summary of the Invention

[0004] In order to improve the oxygen supply effect of the cable, this application provides a cable for deep-water equipment.

[0005] This application provides a cable for deep-water equipment, adopting the following technical solution:

[0006] A cable for deep-water equipment includes multiple wires and an oxygen pipe. The oxygen pipe is close to the center position of the cable cross-section. A collar is coaxially sleeved on the oxygen pipe. The multiple wires are stranded around the circumference of the collar, and the collars are distributed at intervals along the length direction of the oxygen pipe.

[0007] By adopting the above technical solution, multiple wires are stranded on the same oxygen pipe. The collars fixedly connected to the oxygen pipe keep a distance between the wires and the oxygen pipe. When a certain part of the whole cable is bent, the bending force of the wires will not all act on the oxygen pipe, making the oxygen supply of the oxygen pipe smoother.

[0008] Optionally, a plurality of first arc grooves are distributed on the outer peripheral side of the collar. The central axes of the first arc grooves of adjacent collars are not coaxial. The wires are embedded in the first arc grooves.

[0009] By adopting the above technical solution, the arrangement of the first arc grooves increases the connection relationship between the wires and the collar. The collar plays a stable guiding role for the wires. The same wire cooperates with different collars, and the stranding angle of the wire can also fix the collar, increasing the connection relationship between the collar and the oxygen pipe.

[0010] Optionally, the diameters of the plurality of first arc grooves are different.

[0011] By adopting the above technical solution, the first arc grooves are more adapted to the corresponding wires.

[0012] Optionally, the axial direction thickness of the collar is different. The collar includes a base ring portion and thickening blocks detachably mounted on the base ring portion. The thickening blocks are circumferentially spaced along the base ring portion, and after the thickening blocks and the base ring portion are assembled, they are used to contact a wire with a larger outer diameter.

[0013] By adopting the above technical solution, when a wire with a relatively large outer diameter contacts the collar and the thickening blocks, the thickening blocks increase the contact area between the wire and the collar, reducing the space left between the wire and the oxygen pipe in the axial direction. When the cable is bent, the wire with a larger outer diameter is bent to a smaller extent, and the force exerted by the wire with a larger outer diameter on the oxygen pipe itself will be a little smaller. Therefore, the contact area between the wire and the collar can be appropriately increased to improve the installation stability of the wire and the overall tensile strength of the cable.

[0014] Optionally, a second arc groove is formed on the base ring portion, and the diameters of the second arc grooves are different. The thickening blocks are provided with elongated arc grooves, and the elongated arc grooves of the thickening blocks are coaxial with the corresponding second arc grooves.

[0015] By adopting the above technical solution, the arrangement of the second arc groove and the elongated arc groove further increases the connection relationship between the wire and the collar.

[0016] Optionally, positioning holes are circumferentially distributed on the end face of the base ring portion, and the thickening blocks are fixedly connected with insertion rods, and the insertion rods are inserted into the positioning holes.

[0017] By adopting the above technical solution, after the thickening blocks and the base ring portion form an insertion connection, when the wire and the collar are matched, the wire can also further fix the thickening blocks.

[0018] Optionally, a slot for inserting the thickening blocks is formed on the outer peripheral side of the base ring portion, the thickening blocks are provided with third arc grooves, and the thickness of the thickening blocks is greater than the thickness of the base ring portion.

[0019] By adopting the above technical solution, the cooperation between the wire and the third arc groove increases the contact area between the wire and the collar.

[0020] Optionally, the thicknesses of the plurality of thickening blocks in the axial direction of the base ring portion are different, and the thickness of the thickening blocks and the diameter of the third arc groove form a positive correlation.

[0021] By adopting the above technical solution, the thickening blocks increase the contact area between the wire and the collar, reducing the partial space left between the wire with a relatively large outer diameter and the oxygen pipe. When the cable is bent, the wire with a larger outer diameter is bent to a smaller extent at one end, and the force exerted by the wire with a larger outer diameter on the oxygen pipe itself will be a little smaller. Therefore, the contact area between the wire and the collar can be appropriately increased to improve the installation stability of the wire and the overall tensile strength of the cable.

[0022] Optionally, the base ring portion is provided with insertion holes on the inner wall of the slot, and the thickening block is fixedly connected with insertion rods, and the insertion rods are inserted into the insertion holes.

[0023] By adopting the above technical solution, the connection relationship between the thickening block and the base ring is further strengthened.

[0024] In summary, the present application includes at least one of the following beneficial effects:

[0025] 1. When a certain part of the whole cable is bent, the acting force of the bent wire will not all act on the oxygen pipe, making the oxygen delivery of the oxygen pipe smoother;

[0026] 2. The cooperation between the base ring portion and the thickening block changes the space size between the wires with different outer diameters and the oxygen pipe, enabling the collar to better adapt to wires of different thicknesses, and the stranded wires can also reinforce the relationship between the collar and the oxygen pipe. Description of the Drawings

[0027] Figure 1 is a schematic structural diagram of a plurality of wires stranded on an oxygen pipe in Embodiment 1 of the present application;

[0028] Figure 2 is a schematic structural diagram showing the distribution of collars on the oxygen pipe in Embodiment 1 of the present application;

[0029] Figure 3 is a schematic structural diagram of the cooperation between the collar and the wire in Embodiment 2 of the present application;

[0030] Figure 4 is a schematic overall structural diagram of the collar in Embodiment 3 of the present application;

[0031] Figure 5 is a schematic overall structural diagram of the collar in Embodiment 4 of the present application.

[0032] Description of the reference numerals: 100, wire; 200, oxygen pipe; 300, collar; 310, first arc groove; 320, base ring portion; 321, second arc groove; 322, positioning hole; 323, slot; 324, insertion hole; 330, thickening block; 331, extended arc groove; 332, insertion rod; 333, third arc groove. Detailed Description of the Embodiments

[0033] The following will Figures 1-5 be further described in detail with reference to the Embodiments

[0034] Embodiment 1 of the present application discloses a cable for deep - water equipment. Refer to Figure 1 and Figure 2, A cable for deep - water equipment includes multiple wires 100 and an oxygen pipe 200. The multiple wires 100 are stranded around the oxygen pipe 200 through a stranding device, and the oxygen pipe 200 is near the center position of the cable cross - section. A collar 300 is coaxially and fixedly connected to the outer wall of the oxygen pipe 200. The collar 300 can be fixed by bonding and is distributed at intervals along the length direction of the oxygen pipe 200. The central axis of the collar 300 coincides with the stranding center line, and the multiple wires 100 are stranded on the collar 300 around the oxygen pipe 200, forming a spacing between the oxygen pipe 200 and the wires 100 through the collar 300. When the cable is bent, the force exerted by the wires 100 on the oxygen pipe 200 decreases, thereby protecting the oxygen pipe 200.

[0035] When the wires 100 are stranded, parameters such as stranding pitch, stranding coefficient, and stranding direction are involved. The stranding pitch refers to the axial length that each single wire in the stranded wire passes through when it rotates around the center of the stranded wire for one week. The stranding coefficient reflects the tightness of the stranded wire and the material utilization rate. The stranding direction determines the bending performance and anti - torsional performance of the cable. The requirement for the stranding angle of the cable is determined according to the specific application scenario and performance requirements of the cable.

[0036] A cable for deep - water equipment is a multi - core cable. A multi - core cable refers to a cable composed of multiple mutually insulated wires 100 and wrapped in a common outer sheath. This kind of cable is usually used for transmitting electricity or signals.

[0037] Specifically, the wire 100 includes a conducting wire, which is made of multiple strands of fine - stranded tinned copper wires and multiple strands of 3000D Kevlar bullet - proof wires tightly stranded together to improve the tensile strength of the cable. The wire 100 also includes fiber - optic composite cables, video cables, network cables, 485 communication cables, CAN communication cables, etc. Multiple groups of wires 100 in the power control cable combination and Kevlar fillers are stranded together, enabling the cable to have functions of power supply, fiber - optic composite cable, video monitoring, and data transmission; realizing multi - functional transmission, enhancing the application range of the cable, and being applicable to various underwater remotely operated vehicles, underwater cameras, underwater salvage, underwater construction and other operating equipment within 3000 meters.

[0038] More specifically, the middle layer of the cable adopts TPU foaming technology, and the overall neutral density of the control cable is controlled at 0.95 - 0.98 g / cm3, approaching zero buoyancy. The cable can maintain a state of neither floating nor sinking at any point in the water depth.

[0039] The implementation principle of the cable for deep - water equipment in Embodiment 1 of this application is as follows:

[0040] Multiple wires 100 are stranded on the same oxygen pipe 200, and collar rings 300 are arranged at intervals on the oxygen pipe 200. When the cable is bent, the wires 100 are bent first. After the wires 100 are bent, the acting force acts on the oxygen pipe 200. Since there is a gap between the wires 100 and the oxygen pipe 200, the acting force of the wires 100 on the oxygen pipe 200 is reduced, and the situation where the oxygen pipe 200 is blocked due to being bent is reduced, improving the oxygen supply effect of the cable. Embodiment

[0041] The difference between Embodiment 2 and Embodiment 1 lies in the different structures of the collar rings 300. Refer to Figure 3 , and first arc grooves 310 are distributed on the outer peripheral side of the collar ring 300. The central axes of the first arc grooves 310 corresponding to the same wire 100 between adjacent collar rings 300 are not coaxial. The first arc grooves 310 have a guiding and positioning effect on the wires 100, and multiple wires 100 with a certain stranding pitch can also reinforce the collar rings 300, improving the firmness of the collar rings 300 installed on the oxygen pipe 200, and further improving the connection relationship between the oxygen pipe 200 and multiple wires 100 and the tensile strength of the cable.

[0042] Furthermore, since the types of wires 100 are different, in order to enable the collar rings 300 to better cooperate with the wires 100, the diameters of the multiple first arc grooves 310 on one collar ring 300 are different, and the diameter of the first arc grooves 310 is mainly designed according to the diameter of the corresponding wire 100. When installing the collar rings 300, the stranding pitch of the wires 100 also needs to be referred to, so that the first arc grooves 310 corresponding to the same wire 100 are also distributed according to the stranding pitch of the wire 100. Embodiment

[0043] The difference between Embodiment 3 and Embodiment 1 lies in the different structures of the collar rings 300. Refer to Figure 4, the ferrule 300 includes a base ring portion 320 and a thickening block 330 detachably mounted on the base ring portion 320. The thickening block 330 is installed according to requirements, and after the thickening block 330 is installed, the thickness of the ferrule 300 in the axial direction is different. When the wire 100 only contacts the base ring portion 320, there is a relatively large space between the wire 100 and the oxygen pipe 200 in the axial direction between two adjacent base ring portions 320. After the base ring portion 320 and the thickening block 330 are assembled, the wire 100 contacts the base ring portion 320 and the thickening block 330 simultaneously, and the space between the wire 100 and the oxygen pipe 200 in the axial direction between two adjacent base ring portions 320 is reduced. In short, the thickening block 330 reduces the space between the wire 100 and the oxygen pipe 200 in the axial direction. Since the wire 100 with a relatively small outer diameter has less bending resistance than the wire 100 with a relatively large outer diameter, although the wire 100 with a relatively small outer diameter has less bending resistance, the force exerted on the oxygen pipe 200 after the wire 100 with a relatively small outer diameter is bent is also relatively small. The wire 100 with a relatively large outer diameter can be made to contact the base ring portion 320 and the thickening block 330 simultaneously, and the wire 100 with a relatively small outer diameter can be made to only contact the base ring portion 320. When the cable bending occurs at the position of the wire 100 with a relatively large outer diameter, but since the space between the oxygen pipe 200 and the wire 100 is small, the bending space of the wire 100 with a relatively large outer diameter is further reduced, and the bending degree of the wire 100 with a relatively large outer diameter is also indirectly reduced.

[0044] Further, a second arc groove 321 is formed on the base ring portion 320. The diameters of the second arc grooves 321 are different, and the diameter of the second arc groove 321 corresponds to the diameter of the wire 100. The thickening block 330 is provided with an extended arc groove 331. The thickening block 330 has an arc-shaped block structure. The inner diameter of the thickening block 330 is the same as the inner diameter of the base ring portion 320, and the outer diameter of the thickening block 330 is the same as the outer diameter of the base ring. The thickening block 330 is arranged according to the situation of the second arc groove 321. The thickening block 330 is installed on the end face of the base ring portion 320 with the second arc groove 321 having a larger diameter. The diameter of the extended arc groove 331 of the thickening block 330 is the same as and coaxial with the diameter of the corresponding second arc groove 321. The thickening block 330 reduces the space between the wire 100 with a large outer diameter and the oxygen pipe 200, and the thickening block 330 also increases the contact area between the wire with a large outer diameter and the ferrule 300.

[0045] The thicknesses of multiple thickening blocks 330 on the same base ring portion 320 can be different or the same. The thickening block 330 in Embodiment 3 has the same thickness. If the thicknesses of multiple thickening blocks 330 are different, the thickness of the thickening block 330 is in a positive correlation with the diameter of the second arc groove 321. For example, if the diameter of the second arc groove 321 is relatively large, the thickness of the thickening block 330 in the axial direction of the base ring portion 320 can be thickened to increase the contact area between the thickening block 330 and the wire 100 with a relatively large diameter.

[0046] Refer toFigure 4 On the end face circumference of the base ring portion 320, positioning holes 322 are distributed. The thickening block 330 is fixedly connected with an insertion rod 332, and the insertion rod 332 is inserted into the positioning hole 322. The elongated arc grooves 331 of two adjacent base ring portions 320 corresponding to the same wire 100 are not coaxial, and the wire 100 can also fix the thickening block 330, so that the thickening block 330 is stably inserted on the base ring portion 320.

[0047] The implementation principle of a cable for deep - water equipment in Embodiment 3 of the present application is as follows:

[0048] The addition of the thickening block 330 changes the space size between the wire 100 and the oxygen pipe 200. The wire 100 with a smaller diameter has a larger bending degree, but the space between the wire 100 with a smaller diameter and the oxygen pipe 200 is larger, realizing the further reduction of the acting force on the oxygen pipe 200 when the wire 100 is bent, and also increasing the contact area between the wire 100 with a larger diameter and the collar 300, strengthening the connection relationship between the wire 100 with a larger diameter and the collar 300. Embodiment

[0049] The difference between Embodiment 4 and Embodiment 3 lies in the different installation positions of the thickening block 330. Refer to Figure 5 On the outer peripheral side of the base ring portion 320, a slot 323 for inserting the thickening block 330 is provided, and the sizes of multiple slots 323 are the same. The thickening block 330 is provided with a third arc groove 333. When the wire 100 and the oxygen pipe 200 are twisted, the wire 100 contacts the third arc groove 333. The diameters of the wire 100 are different, and the corresponding diameters of the third arc grooves 333 are also different. The center lines of the third arc grooves 333 of two adjacent base ring portions 320 corresponding to the same wire 100 are not coaxial.

[0050] The thickness of the thickening block 330 in the axial direction of the base ring portion 320 is greater than the thickness of the base ring portion 320 in the axial direction. The installation method of the thickening block 330 in Embodiment 4 can also increase the thickness of the base ring portion 320 in the radial direction. In addition, the thicknesses of multiple thickening blocks 330 of the same base ring portion 320 in the axial direction of the base ring portion 320 can be different, and the thickness of the thickening block 330 and the diameter of the third arc groove 333 form a positive correlation. The cooperation between the thickening block 330 and the base ring portion 320 can adapt to the wire 100 with a larger outer diameter, and the thickening block 330 with a corresponding size can be assembled according to the specific outer diameter size of the wire 100, mainly realizing that the distance between the wire 100 with a larger outer diameter and the oxygen pipe 200 in the axial direction is smaller, reducing the deformation space of the wire 100 with a larger outer diameter, further reducing the deformation degree of the wire 100 with a larger outer diameter, and reducing the acting force of the wire 100 on the oxygen pipe 200.

[0051] Further, in order to enhance the connection relationship between the thickening block 330 and the base ring, the base ring portion 320 is provided with a socket 324 on the inner wall of the slot 323, and the thickening block 330 is fixedly connected with a plug rod 332, and the plug rod 332 is inserted into the socket 324.

[0052] The above are all the preferred embodiments of the present application, and the protection scope of the present application is not limited by this. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A cable for deepwater equipment, characterized in that: It comprises a plurality of conductive wires (100) and an oxygen tube (200), wherein the oxygen tube (200) is located close to the center of the cross section of the cable, the oxygen tube (200) is coaxially sleeved with a ferrule (300), a plurality of conductive wires (100) are twisted around the ferrule (300), and the ferrules (300) are spaced apart along the length direction of the oxygen tube (200); The thickness of the collar (300) in the axial direction is different. The collar (300) comprises a base ring portion (320) and a thickening block (330) detachably mounted on the base ring portion (320). The thickening blocks (330) are spaced apart along the circumference of the base ring portion (320). After the thickening blocks (330) and the base ring portion (320) are assembled, they are used to contact a wire (100) with a large outer diameter. When the wire (100) and the base ring portion (320) and the thickening blocks (330) are in contact at the same time, the space between the wire (100) and the oxygen tube (200) in the axial direction between two adjacent base ring portions (320) is reduced. The thickness of the thickening block (330) is positively correlated with the outer diameter of the corresponding wire (100).

2. A cable for deepwater equipment according to claim 1, characterized in that: The base ring portion (320) is provided with a second arc groove (321), the diameters of the second arc groove (321) are different, the thickening block (330) is provided with an extended arc groove (331), and the extended arc groove (331) of the thickening block (330) is coaxial with the corresponding second arc groove (321).

3. A cable for deepwater equipment according to claim 2, characterized in that: Positioning holes (322) are distributed on the circumference of the end surface of the base ring portion (320), and the thickening block (330) is fixedly connected with an insertion rod (332), and the insertion rod (332) is inserted into the positioning hole (322).

4. A cable for deepwater equipment according to claim 1, characterized in that: The outer peripheral side of the base ring portion (320) is provided with a slot (323) for the thickening block (330) to be inserted, the thickening block (330) is provided with a third arc groove (333), and the thickness of the thickening block (330) is greater than the thickness of the base ring portion (320).

5. A cable for deepwater equipment according to claim 4, characterized in that: The thicknesses of the plurality of thickening blocks (330) along the axial direction of the base ring portion (320) are different, and the thickness of the thickening block (330) and the diameter of the third circular arc groove (333) form a positive correlation.

6. A cable for deepwater equipment according to claim 4, characterized in that: The base ring portion (320) is provided with an insertion hole (324) on the inner wall of the slot (323), and the thickening block (330) is fixedly connected with an insertion rod (332), and the insertion rod (332) is inserted into the insertion hole (324).

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