CN111540526A - Oil-resistant cable special for oil platform - Google Patents

Abstract

The invention relates to the technical field of cables and discloses an oil-resistant cable special for an oil platform, which comprises a first conductor, wherein a plurality of second conductors are uniformly arranged outside the first conductor in an annular shape at equal intervals, insulating layers are arranged outside the first conductor and the second conductors, inner sheath layers are wrapped outside the first conductor and the second conductors, a flame-retardant layer is arranged outside the inner sheath layers, an oil-resistant layer is arranged on the flame-retardant layer, fillers are filled between the inner sheath layers and the first conductor and between the inner sheath layers and the second conductor, a fixing ring is fixedly sleeved outside the oil-resistant layer, and fixing grooves are symmetrically formed in the annular side wall of the fixing ring. This special oil resistance cable of oil platform, the parcel layer with the cable wiring end that can be convenient removes, and the operation is convenient, does benefit to the wiring of cable, avoids tools such as manual operation pliers to cut the conductor outer surface and causes the conductor to damage.

Description

A special oil-resistant cable for oil platform

technical field

The invention relates to the technical field of cables, in particular to a special oil-resistant cable for oil platforms.

Background technique

With the continuous development of my country's offshore oil exploration technology, the demand for cables for offshore oil platforms is also increasing year by year. The rapid development of my country's offshore oil exploration has promoted the development of the corresponding electrical industry, especially the wire and cable industry, among which the oil platform and ship cables have become an important one. Because oil platform cables are used for high-power power transmission and electrical control devices of offshore and land mobile oil drilling, offshore ships and offshore fixed platforms, in addition to the original use functions and occasions, they are also mainly used in ordinary outdoor. The platform has complex structure, dense personnel, many combustibles, many electrical equipment, large power consumption and relatively isolated. Once a fire occurs, it will be difficult for people to escape and rescue difficult, which will inevitably cause serious casualties and economic losses. The cable is corroded by the mud or sludge on the oil platform for a long time, which will accelerate the aging of the sheath, reduce its mechanical properties, flame retardant and anti-corrosion properties, and reduce the service life of the cable. Therefore, oil-resistant cables for oil platforms are often installed on the outer surface of the cable. There are oil-resistant layers and flame-retardant layers. However, when wiring the existing oil-resistant cables for oil platforms, it is necessary to use pliers and other tools to manually cut off the wrapping layer outside the conductor, which is inconvenient to operate, and is not conducive to the wiring of the cable. Conductor damage caused by the outer surface of the conductor.

SUMMARY OF THE INVENTION

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the present invention provides an oil-resistant cable for oil platforms, which has the advantages of not using tools, and can easily remove the wrapping layer of the cable terminal, which is beneficial to the wiring of the cable, and solves the problem that the wrapping layer of the cable requires manual labor. Use pliers and other tools to cut it off, and it is easy to cut the outer surface of the conductor and cause damage to the conductor.

(2) Technical solutions

In order to achieve the above without using tools, the wrapping layer of the cable terminal can be easily removed, which is beneficial to the purpose of cable wiring, the present invention provides the following technical solution: a special oil-resistant cable for oil platforms, comprising a first conductor, the first conductor A plurality of second conductors are arranged in an annular uniform and equidistant outside, the first conductor and the second conductor are both provided with an insulating layer, and the first conductor and a plurality of second conductors are wrapped with an inner sheath layer, The inner sheath layer is provided with a flame retardant layer, the flame retardant layer is provided with an oil-resistant layer, a filler is filled between the inner sheath layer and the first conductor and the second conductor, and the oil-resistant layer is A fixing ring is connected to the outer fixing sleeve, and a fixing groove is symmetrically opened on the annular side wall of the fixing ring. An insertion rod is slidably connected in the fixing hole and the fixing groove, a spring is symmetrically and fixedly connected on the outer annular side wall of the fixing cover, and a pull plate is fixedly connected at the other end of the spring, and the insertion rod is far away from the first conductor. One end passes through the fixing hole and the spring and extends outward, and is fixedly connected to the pull plate. The end of the fixing cover away from the oil-resistant layer is connected with a sleeve with one end open, and the sleeve is sleeved on one end of the cable.

Preferably, a movable groove is formed on the side of the sleeve away from the second conductor, a movable block is symmetrically slidably connected in the movable groove, a threaded hole is arranged in the movable block, and the groove wall opposite to the movable groove is provided with a threaded hole. A threaded rod is rotatably connected through two bearings. The threaded rod is symmetrically provided with threads in opposite directions relative to the first conductor. The two movable blocks located in the same movable groove are symmetrically threaded on the threaded rod. One end of the block away from the second conductor passes through the slot of the movable slot and extends outward, and is fixedly connected with a splint.

Preferably, a buffer cavity is opened between the first conductor and each second conductor, an arc-shaped support sheet is fixedly connected to the insulating layer of the second conductor, and the other side of the support sheet is fixedly connected There is a support rod, and one end of the support rod away from the oil-resistant layer is fixedly connected to the outer annular side wall of the insulating layer of the first conductor.

Preferably, a sealing gasket is provided in the fixing cover, a pressure ring is fixedly connected to the side of the fixing ring close to the fixing cover, and the pressure ring is sleeved outside the oil-resistant layer.

Preferably, a plurality of fixing teeth are fixedly connected on the opposite side walls of the two splints in the shape of a rectangle and evenly equidistant, and one end of the threaded rod passes through the bearing and extends outward, and is fixedly connected with a turning plate.

Preferably, the flame retardant layer is made of radiation cross-linked halogen-free low-smoke flame retardant polyolefin material, and the insulating layer is made of ethylene propylene rubber material.

Preferably, a reinforcing rod is symmetrically and fixedly connected to the support rod, the other end of the reinforcing rod is fixedly connected with a connecting rod arranged obliquely, and both ends of the connecting rod are fixedly connected to the filler body and the support sheet respectively, and the The supporting piece, the supporting rod, the reinforcing rod and the connecting rod are all made of elastic material.

(3) Beneficial effects

Compared with the prior art, the present invention provides a special oil-resistant cable for oil platforms, which has the following beneficial effects:

1. The oil-resistant cable for the oil platform is provided with the first conductor, the second conductor, the insulating layer, the inner sheath layer, the flame retardant layer, the oil-resistant layer, the filler, the fixing ring, the fixing groove, the fixing cover, the fixing hole, Inserting rod, spring, pulling plate and sleeve, when the cable is connected, remove the sleeve of the cable terminal, pull the two pulling plates outward, and drive the insertion rod to move, so that the spring is stretched, and the insertion end of the insertion rod is The fixing groove is disengaged, and the sleeve is pulled to drive the fixing cover to separate from the fixing ring, so that the part of the first conductor and the second conductor that is not wrapped by the inner sheath layer, flame retardant layer, oil-resistant layer, filler and insulating layer is exposed. It is convenient to remove the wrapping layer of the cable terminal, and the operation is convenient, which is conducive to the wiring of the cable, and avoids damage to the conductor caused by manual operation of pliers and other tools to cut the outer surface of the conductor.

2. The oil-resistant cable for the oil platform is provided with movable grooves, movable blocks, threaded rods and splints. The two splints are placed on both sides of the side plate of the storage reel, and the threaded rods are rotated forward to drive the two movable blocks to move. The opposite movement is made in the groove, so that the two splints move towards each other and clamp the side plate of the storage reel, so that the terminal of the cable can be fixedly installed on the cable storage reel, so that the cable terminal can be easily found when wiring. .

Description of drawings

1 is a schematic structural diagram of a special oil-resistant cable for oil platforms proposed by the present invention;

Fig. 2 is a side view structural schematic diagram of a special oil-resistant cable for an oil platform proposed by the present invention;

FIG. 3 is an enlarged view of part A in FIG. 2 .

In the figure: 1 first conductor, 2 second conductor, 3 insulating layer, 4 inner sheath layer, 5 flame retardant layer, 6 oil-resistant layer, 7 filler, 8 fixing ring, 9 fixing groove, 10 fixing cover, 11 fixing Hole, 12 insert rod, 13 spring, 14 pull plate, 15 sleeve, 16 movable groove, 17 movable block, 18 threaded rod, 19 splint, 20 buffer cavity, 21 support piece, 22 support rod, 23 sealing washer, 24 pressure Ring, 25 turn plate, 26 reinforcement rod, 27 connecting rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Figure 1-3, an oil-resistant cable for oil platforms, including a first conductor 1, the first conductor 1 is provided with a plurality of second conductors 2 in a ring shape evenly equidistant, the first conductor 1 and the second conductor 2 is provided with an insulating layer 3 outside, the first conductor 1 and several second conductors 2 are wrapped with an inner sheath layer 4, and the inner sheath layer 4 is provided with a flame retardant layer 5, and the flame retardant layer 5 is provided with an oil-resistant layer. Layer 6, a filler 7 is filled between the inner sheath layer 4 and the first conductor 1 and the second conductor 2, the oil-resistant layer 6 is fixedly sleeved with a fixing ring 8, and the annular side wall of the fixing ring 8 is symmetrically provided with a fixing ring. Slot 9, a fixing cover 10 is slidably connected to the outside of the fixing ring 8, a fixing hole 11 is opened on the fixing cover 10 at a position corresponding to the fixing groove 9, and the fixing hole 11 and the fixing groove 9 are jointly slidably connected with an insertion rod 12, and the fixing cover 10 A spring 13 is symmetrically and fixedly connected to the outer annular side wall, the other end of the spring 13 is fixedly connected to a pull plate 14, and one end of the insertion rod 12 away from the first conductor 1 passes through the fixing hole 11 and the spring 13 and extends outward, and is fixedly connected. On the pulling plate 14, one end of the fixed cover 10 away from the oil-resistant layer 6 is connected with a sleeve 15 with one end open, and the sleeve 15 is sleeved on one end of the cable. Pull the two pull plates 14 outside to drive the insertion rod 12 to move, so that the spring 13 is stretched, the insertion end of the insertion rod 12 is detached from the fixing groove 9, and the sleeve 15 is pulled to drive the fixing cover 10 to separate from the fixing ring 8, so that Parts of the first conductor 1 and the second conductor 2 that are not wrapped by the inner sheath layer 4, the flame retardant layer 5, the oil-resistant layer 6, the filler 7 and the insulating layer 3 are exposed, and the wrapping layer of the cable terminal can be easily removed. It is convenient for the wiring of the cable, and avoids the damage of the conductor caused by the manual operation of pliers and other tools to cut the outer surface of the conductor.

A movable slot 16 is opened on the side of the sleeve 15 away from the second conductor 2, and a movable block 17 is symmetrically slidably connected in the movable slot 16. The movable block 17 is provided with threaded holes, and two bearings pass through the opposite groove walls of the movable slot 16 A threaded rod 18 is rotatably connected. The threaded rod 18 is symmetrically provided with threads in opposite directions with respect to the first conductor 1. The two movable blocks 17 located in the same movable slot 16 are symmetrically threaded on the threaded rod 18, and the movable block 17 is far away from the first conductor 1. One end of the two conductors 2 passes through the slot of the movable slot 16 and extends outward, and is fixedly connected with a splint 19. The two splints 19 are placed on both sides of the side plate of the storage reel, and the threaded rod 18 is rotated forward to drive the two movable The block 17 moves toward each other in the movable groove 16, so that the two splints 19 move toward each other and clamp the side plate of the storage reel, so that the terminal of the cable can be fixedly installed on the cable storage reel, so that when wiring, it can be Easily find cable terminals.

A buffer cavity 20 is opened between the first conductor 1 and each second conductor 2, an arc-shaped support piece 21 is fixedly connected to the insulating layer 3 of the second conductor 2, and a support piece 21 is fixedly connected to the other side of the support piece 21. Rod 22, the end of the support rod 22 away from the oil-resistant layer 6 is fixedly connected to the outer annular side wall of the insulating layer 3 of the first conductor 1, which can stably support the first conductor 1 and each second conductor 2, and can The outer surface of the cable is cushioned after being stressed.

The fixed cover 10 is provided with a sealing gasket 23, the side of the fixed ring 8 close to the fixed cover 10 is fixedly connected with a pressure ring 24, the pressure ring 24 is sleeved outside the oil-resistant layer 6, and the connection between the fixed cover 10 and the fixed ring 8 is increased. of sealing.

The opposite side walls of the two splints 19 are fixedly connected in a rectangular even and equidistant manner with a number of fixing teeth, so that the splint 19 can be firmly clamped on the side plate of the storage reel, and one end of the threaded rod 18 passes through the bearing and goes toward the side plate. It extends outward and is fixedly connected with a rotating plate 25, which is easy to rotate the threaded rod 18.

The flame-retardant layer 5 is made of radiation cross-linked halogen-free low-smoke flame-retardant polyolefin material, and the insulating layer 3 is made of ethylene-propylene rubber material.

The support rod 22 is symmetrically and fixedly connected with a reinforcing rod 26, and the other end of the reinforcing rod 26 is fixedly connected with a connecting rod 27 arranged obliquely. , the supporting rod 22 , the reinforcing rod 26 and the connecting rod 27 are all made of elastic materials, and are arranged in an umbrella-shaped supporting structure, which can stably support the second conductor 2 .

To sum up, for the oil-resistant cable specially used for the oil platform, when the cable is connected, the sleeve 15 of the cable terminal is disassembled, and the two pull plates 14 are pulled outward to drive the insertion rod 12 to move, so that the spring 13 is stretched, The insertion end of the insertion rod 12 is disengaged from the fixing groove 9, and the sleeve 15 is pulled to drive the fixing cover 10 to separate from the fixing ring 8, so that the inner sheath layer 4, the flame retardant layer 5, the oil-resistant layer 6, the filler 7 and the The part of the first conductor 1 and the second conductor 2 wrapped by the insulating layer 3 is exposed, which can easily remove the wrapping layer of the cable terminal, which is convenient to operate, which is beneficial to the wiring of the cable, and avoids manual operation of pliers and other tools to cut the outer surface of the conductor to cause damage to the conductor. The two plywoods 19 are placed on both sides of the side plate of the storage reel, and the threaded rod 18 is rotated forward to drive the two movable blocks 17 to move toward each other in the movable groove 16, so that the two plywoods 19 move toward each other and clamp the storage. The side plate of the reel can fix the terminal of the cable on the cable storage reel, so that the cable terminal can be easily found when wiring.

It should be noted that the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device comprising a series of elements includes not only those elements, but also no Other elements expressly listed, or which are also inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a special oil resistance cable of oil platform, includes first conductor (1), its characterized in that: the cable is characterized in that a plurality of second conductors (2) are arranged outside the first conductor (1) in an annular uniform and equidistant manner, insulating layers (3) are arranged outside the first conductor (1) and the second conductors (2), inner sheath layers (4) are wrapped outside the first conductor (1) and the plurality of second conductors (2), flame-retardant layers (5) are arranged outside the inner sheath layers (4), oil-resistant layers (6) are arranged on the flame-retardant layers (5), fillers (7) are filled between the inner sheath layers (4) and the first conductor (1) and the second conductor (2), fixing rings (8) are fixedly sleeved outside the oil-resistant layers (6), fixing grooves (9) are symmetrically formed in the annular side walls of the fixing rings (8), fixing covers (10) are connected outside the fixing rings (8) in a sliding manner, fixing holes (11) are formed in the positions, corresponding to the fixing grooves (9), on the fixing covers (10), common sliding connection has inserted bar (12) in fixed orifices (11) and fixed slot (9), symmetry fixedly connected with spring (13) on the outer annular lateral wall of fixed lid (10), other end fixedly connected with arm-tie (14) of spring (13), the one end that first conductor (1) was kept away from in inserted bar (12) passes fixed orifices (11) and spring (13) and outwards extends, and fixed connection is on arm-tie (14), the one end intercommunication that resistant oil reservoir (6) were kept away from in fixed lid (10) has one end open-ended sleeve (15), the one end at the cable is established in sleeve (15) cover.

2. The oil-resistant cable special for the oil platform according to claim 1, wherein: one side that second conductor (2) were kept away from in sleeve (15) has seted up movable groove (16), symmetrical sliding connection has movable block (17) in movable groove (16), be equipped with the screw hole in movable block (17), be connected with threaded rod (18) through two bearing rotations on movable groove (16) the cell wall in opposite directions, be equipped with opposite direction's screw thread about first conductor (1) symmetry on threaded rod (18), be located same two movable block (17) symmetrical threaded connection in movable groove (16) are on threaded rod (18), the one end that second conductor (2) were kept away from in movable block (17) is passed movable groove (16) notch and outwards extends, and fixedly connected with splint (19).

3. The oil-resistant cable special for the oil platform according to claim 1, wherein: buffer chamber (20) have all been seted up between first conductor (1) and every second conductor (2), the outer fixedly connected with curved backing sheet (21) of insulating layer (3) of second conductor (2), opposite side fixedly connected with bracing piece (22) of backing sheet (21), the one end fixed connection of oil resistance layer (6) is kept away from in bracing piece (22) is on the outer annular lateral wall of insulating layer (3) of first conductor (1).

4. The oil-resistant cable special for the oil platform according to claim 1, wherein: be equipped with seal ring (23) in fixed lid (10), one side fixedly connected with clamping ring (24) that solid fixed ring (8) are close to fixed lid (10), clamping ring (24) cover is established outside resistant oil reservoir (6).

5. The oil-resistant cable special for the oil platform according to claim 2, wherein: two be the even equidistance fixedly connected with a plurality of fixed tooth of rectangle on splint (19) lateral wall in opposite directions, the bearing is passed and outwards extends to the one end of threaded rod (18), and fixedly connected with changes board (25).

6. The oil-resistant cable special for the oil platform according to claim 1, wherein: the flame-retardant layer (5) is made of an irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin material, and the insulating layer (3) is made of an ethylene propylene rubber material.

7. The oil-resistant cable special for the oil platform according to claim 3, wherein: the utility model discloses a packing support for the automobile seat, including bracing piece (22), bracing piece (22) go up symmetry fixedly connected with anchor strut (26), the other end fixedly connected with of anchor strut (26) connecting rod (27) that the slope set up, the both ends of connecting rod (27) are fixed connection respectively on obturator (7) and backing sheet (21), bracing piece (22), anchor strut (26) and connecting rod (27) are made by elastic material.

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