Novel ballast module for dynamic submarine cable underwater wiring

Abstract

The utility model discloses a novel ballast module for dynamic submarine cable underwater wiring, belongs to the field of cable equipment, and solves the problems in the prior art that a single balancing weight is easy to slip and shift, the line type of a dynamic cable is difficult to maintain, and the dynamic cable is easy to excessively bend. According to the balance weight, all the balance weight bodies are connected; a connecting structure is arranged between every two adjacent counterweight main bodies; the connecting structure comprises an insertion connecting end and a groove connecting end which are clamped with each other; the insertion connecting end and the groove connecting end are constructed at the end parts of the two adjacent counterweight main bodies respectively; the insertion connecting end is inserted into the groove connecting end; and a clamping structure is arranged between the insertion connecting end and the groove connecting end. The novel ballast module for underwater wiring of the dynamic submarine cable has good connection firmness with the dynamic cable, and can well keep the line type of the dynamic cable at the bending section of the balancing weight area.

Description

TECHNICAL FIELD

[0001] The utility model relates to a novel dynamic submarine cable underwater wiring ballast module belongs to cable equipment field. BACKGROUND

[0002] Dynamic submarine cable is influenced by wave and ocean current, which will cause large displacement, bending and torsion. Therefore, it needs to run in water according to certain line type, so it usually needs to be assisted by counterweight to prevent the underwater cable from floating or deviating from the specified position.

[0003] In the prior art, the counterweight generally adopts a plurality of single counterweights separated and sleeved on the dynamic cable. The fastening force between the single counterweight and the dynamic cable is realized by the friction force between the counterweight and the surface of the dynamic cable. The single counterweight is prone to slip and displacement. Moreover, the plurality of single counterweights separated and sleeved on the dynamic cable are difficult to maintain the line type of the dynamic cable, which is prone to cause excessive bending of the dynamic cable, and repeated occurrence will affect the service life of the dynamic cable. SUMMARY

[0004] The utility model provides a novel dynamic submarine cable underwater wiring ballast module, which has good connection firmness with the dynamic cable and can well maintain the line type of the bending section of the dynamic cable in the counterweight area.

[0005] The utility model adopts the technical scheme of a novel dynamic submarine cable underwater wiring ballast module, which comprises a plurality of counterweight bodies, the counterweight body has a surge channel for the cable to pass through inside, the surge channel penetrates through the counterweight body and has openings on the two surfaces of the counterweight body;

[0006] The counterweight bodies are connected between the counterweight bodies; the two adjacent counterweight bodies have a connecting structure therebetween;

[0007] The connecting structure comprises an insertion connecting end and a groove connecting end which are mutually clamped; the insertion connecting end and the groove connecting end are respectively constructed on the end portions of the two adjacent counterweight bodies.

[0008] The insertion connecting end is inserted into the groove connecting end; the insertion connecting end and the groove connecting end have a clamping structure therebetween.

[0009] Optimally, the novel dynamic submarine cable underwater wiring ballast module, the counterweight body comprises two half pipe structures, and the two half pipe structures are connected to form a tubular counterweight body after the butt joint of the dragon;

[0010] The two half pipe structures are fixed by bolts.

[0011] Optimally, the novel dynamic submarine cable underwater wiring ballast module, the insertion connecting end is annularly formed by the butt joint of the two half ring structures, and the two half ring structures of the insertion connecting end are respectively constructed on the end portions of the two half pipe structures.

[0012] The groove connecting end is connected by two half ring structures into a ring shape, and the two half ring structures of the groove connecting end are respectively constructed on the end portions of the two half pipe structures away from the insertion connecting end.

[0013] The half pipe structure, the half ring structure of the insertion connecting end and the ring structure of the groove connecting end are integrally formed.

[0014] The half pipe structure, the half ring structure of the insertion connecting end and the ring structure of the groove connecting end are integrally formed.

[0015] The insertion connecting end and the groove connecting end are in interference fit.

[0016] The insertion connecting end and the groove connecting end are in interference fit.

[0017] The clamping structure comprises a ring-shaped protrusion constructed on the outer surface of the ring-shaped insertion connecting end and a ring-shaped groove constructed on the inner surface of the ring-shaped groove connecting end, and the ring-shaped protrusion is clamped in the ring-shaped groove and in interference fit with the ring-shaped groove.

[0018] The surface of the surge channel of the weight main body has a sawtooth-shaped protruding structure.

[0019] The advantages of the present application are:

[0020] The weight main body of the present application is formed by two half pipe structures that are connected by bolts and nuts, and the structure is simple and convenient to install.

[0021] The internal structure of the weight main body is provided with a surge channel for the dynamic cable to pass in and out. The inside of the surge channel is a toothed structure for increasing the axial friction between the weight main body and the dynamic cable, so that the relative position between them is fixed in a harsh sea environment.

[0022] The technical solution of the present application increases the matching degree between the weight main bodies, and connects the weight main bodies through the connecting structure of the end portion under a certain interference fit structure design. The weight main body not only realizes the weight effect, but also can well maintain the linear type of the dynamic cable in the bending section of the weight area, and the bending strength of this area is increased to a certain extent under the structure of the present application.

[0023] In addition, in order to better solve the corrosion problem of the structure in seawater, the surface of the weight main body is coated with nylon or polyurethane. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The structural diagram of the present application. DETAILED DESCRIPTION

[0025] The technical features of the present application will be further described below in combination with the drawings and specific embodiments.

[0026] As shown in the drawings, the present application is a novel dynamic submarine cable underwater wiring ballast module, comprising a plurality of counterweight bodies, the counterweight body has a surge channel 2 for passing through the power cable, the surge channel 2 penetrates the counterweight body and has openings on both surfaces of the counterweight body.

[0027] Specifically, in the present application, the counterweight body includes two half-pipe structures 1, and the two half-pipe structures 1 are connected to form a tubular counterweight body after the joint dragon. The side of the two half-pipe structures 1 is respectively provided with a connecting lug arranged in cooperation, and the fixed butt joint of the two half-pipe structures 1 can be realized by bolt connection between the connecting lugs.

[0028] Unlike the prior art, all the counterweight bodies in the present application are connected as a whole. The adjacent two counterweight bodies have a connecting structure and are connected through the connecting structure, so that all the counterweight bodies form a whole connected in sequence.

[0029] The connecting structure of the present application includes an insertion connecting end 301 and a groove connecting end 302 which are mutually clamped. The insertion connecting end 301 and the groove connecting end 302 are respectively constructed on the end of the adjacent two counterweight bodies. In this embodiment, the insertion connecting end 301 can be provided at one end of the counterweight body, and the groove connecting end 302 can be provided at the other end.

[0030] When the adjacent two counterweight bodies are connected, the insertion connecting end 301 of one of the counterweight bodies is inserted into the groove connecting end 302 of the other counterweight body, and the connecting structure of the insertion connecting end 301 and the groove connecting end 302 cannot be separated through the clamping structure between the insertion connecting end 301 and the groove connecting end 302.

[0031] In this embodiment, the insertion connecting end 301 is connected to a ring shape by two half-ring structures, and the two half-ring structures of the insertion connecting end 301 are respectively constructed on the end of the two half-pipe structures 1. The groove connecting end 302 is connected to a ring shape by two half-ring structures two, and the two half-ring structures two of the groove connecting end 302 are respectively constructed on the end of the two half-pipe structures 1 away from the insertion connecting end 301.

[0032] Furthermore, the half-pipe structure 1 and the half-ring structure of the insertion connecting end 301 and the ring structure two of the groove connecting end 302 are integrally formed.

[0033] After the two half pipe structures 1 of the counterweight body are butted against the dragon, the insertion connecting end 301 and the recess connecting end 302 at both ends of the counterweight body are also butted and formed.

[0034] The half pipe structure 1, the half ring structure of the insertion connecting end 301 and the ring structure of the recess connecting end 302 have nylon coating or polyurethane coating on two surfaces, so that the corrosion resistance and corrosion durability of the counterweight body are well guaranteed.

[0035] The insertion connecting end 301 and the recess connecting end 302 are in interference fit. The counterweight body is connected through the connecting structure at the end under the design of a certain interference fit, so that the counterweight body not only realizes the function of counterweight, but also well maintains the line type of the dynamic cable in the bending section of the counterweight area, and in addition, the bending strength of the area is increased to a certain extent under the structure of the application.

[0036] In this embodiment, the insertion connecting end 301 and the recess connecting end 302 are both ring-shaped, and the insertion connecting end 301 is inserted into the ring-shaped inner part of the recess connecting end 302.

[0037] The clamping and structure includes a ring-shaped protrusion 303 constructed on the ring-shaped outer surface of the insertion connecting end 301, a ring-shaped recess 304 constructed on the ring-shaped inner surface of the recess connecting end 302, the ring-shaped protrusion 303 is clamped in the ring-shaped recess 304 and is in interference fit with the ring-shaped recess 304.

[0038] The surface of the surge channel 2 of the counterweight body has a sawtooth-shaped protrusion structure 4. The internal structure of the counterweight body is provided with the surge channel 2 for the dynamic cable to pass in and out. The inside of the surge channel 2 is a tooth-shaped structure, which is used to increase the axial friction force between the dynamic cable, so as to keep the relative position fixed with the dynamic cable in the harsh sea condition environment.

[0039] Of course, the above description is not a limitation of the present application, and the present application is not limited to the above examples. Changes, modifications, additions or replacements made by ordinary skilled in the art within the essential scope of the present application shall fall within the protection scope of the present application.

Claims

1. A new type of dynamic submarine cable underwater wiring ballast module, comprising a plurality of counterweight bodies, the counterweight bodies having a surge channel (2) inside for the cable to pass through, the surge channel (2) penetrating through the counterweight body and having openings on both surfaces of the counterweight body; characterized in that: the counterweight bodies are connected between each other; the connection structure is provided between two adjacent counterweight bodies; the connection structure comprises an insertion connection end (301) and a groove connection end (302) that are mutually clamped; the insertion connection end (301) and the groove connection end (302) are respectively constructed on the end portions of the two adjacent counterweight bodies; the insertion connection end (301) is inserted into the groove connection end (302); the insertion connection end (301) and the groove connection end (302) have a clamping structure therebetween. the counterweight body comprises two half-pipe structures (1) that are connected to form a tubular counterweight body after being connected to the joint dragon; 2. A novel dynamic subsea cable undersea routing ballast module according to claim 1, characterized in that: the two half-pipe structures (1) are fixed by bolts. the insertion connection end (301) is annularly formed by two half-ring structures that are connected, and the two half-ring structures of the insertion connection end (301) are respectively constructed on the end portions of the two half-pipe structures (1); 3. A novel dynamic subsea cable undersea routing ballast module according to claim 2, characterized in that: the groove connection end (302) is annularly formed by two half-ring structures that are connected, and the two half-ring structures of the groove connection end (302) are respectively constructed on the end portions of the two half-pipe structures (1) that are away from the insertion connection end (301). the half-pipe structure (1), the half-ring structure of the insertion connection end (301), and the ring structure of the groove connection end (302) are integrally formed.

4. A novel dynamic subsea cable undersea routing ballast module according to claim 3, characterized in that: the half-pipe structure (1), the half-ring structure of the insertion connection end (301), and the ring structure of the groove connection end (302) are covered with nylon or polyurethane on the surfaces.

5. The new type of dynamic submarine cable underwater routing ballast module according to claim 3, characterized in that: the insertion connection end (301) and the groove connection end (302) are in interference fit.

6. The novel dynamic subsea cable routing ballast module of claim 1, wherein: the insertion connection end (301) and the groove connection end (302) are annular, and the insertion connection end (301) is inserted into the annular interior of the groove connection end (302); 7. The novel dynamic submarine cable underwater routing ballast module according to claim 1, characterized in that: the clamping structure comprises a ring-shaped protrusion (303) constructed on the outer surface of the annular insertion connection end (301) and a ring-shaped groove (304) constructed on the inner surface of the annular groove connection end (302); the ring-shaped protrusion (303) is clamped in the ring-shaped groove (304) and is in interference fit with the ring-shaped groove (304). the surface of the surge channel (2) of the counterweight body has a sawtooth-shaped protruding structure (4).

8. The novel dynamic subsea cable routing ballast module of claim 1, wherein: ​

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