Submarine cable limiting device suitable for submarine cable laying

Abstract

The utility model discloses a submarine cable limiting device suitable for submarine cable laying in the technical field of submarine cable laying auxiliary equipment. The submarine cable limiting device comprises a connecting base; the two limiting stand columns are arranged above the connecting base in parallel, and the bottom ends of the limiting stand columns are perpendicularly and fixedly connected with the connecting base; the two transverse ends of the static connecting shaft are fixedly connected with the two limiting stand columns in a one-to-one correspondence mode. The supporting roller is coaxially mounted on the static connecting shaft; the two ends of the movable connecting shaft are detachably and fixedly connected with the limiting stand columns; and the two protective sleeves are installed on the two limiting stand columns in a one-to-one correspondence mode, and the protective sleeves are located between the static connecting shaft and the movable connecting shaft. According to the utility model, a backstop limiting and rolling friction mode is adopted, so that the submarine cable can be prevented from swinging left and right in the walking process, hard friction between the submarine cable and a ship deck can be converted into rolling friction, the damage degree of the submarine cable is reduced, and the laying quality of the submarine cable is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of submarine cable laying auxiliary equipment, and specifically relates to a submarine cable limiting device suitable for submarine cable laying. BACKGROUND

[0002] The submarine cable is laid on the seabed and is used for power transmission. With the increasing number of offshore wind power projects, the submarine cable becomes more and more important as a link between offshore wind turbines and onshore power stations.

[0003] During the submarine cable laying operation, the submarine cable on the cable laying ship needs to be lowered to the seabed, and then buried in the seabed mud. However, during the laying process, due to the complexity of offshore construction, the complexity of sea conditions, the severe change of weather, the complexity of seabed geology and other factors, the submarine cable is prone to unconstrained and left-right swinging. The reciprocating swing of the submarine cable on the deck of the cable laying ship and the water entry guide plate will cause damage to the submarine cable, thereby reducing the quality of submarine cable laying and the service life of the submarine cable. At the same time, during the laying process, the hard friction between the submarine cable and the ship deck will also cause the submarine cable to be dragged and excessively stretched and damaged.

[0004] Therefore, how to reduce the damage of the submarine cable during the laying process has become a technical problem to be solved by those skilled in the art. SUMMARY

[0005] Therefore, the utility model aims at the above technical problems and provides a submarine cable limiting device suitable for submarine cable laying.

[0006] The utility model adopts the technical scheme that a submarine cable limiting device suitable for submarine cable laying comprises:

[0007] A connecting base is arranged in the transverse direction and can be fixedly connected with the deck of the ship.

[0008] Two limiting columns are arranged in parallel above the connecting base, and the bottom ends of the limiting columns are fixedly connected with the connecting base perpendicularly.

[0009] A static connecting shaft is arranged in the transverse direction, and the two ends of the static connecting shaft are fixedly connected with the two limiting columns one by one.

[0010] A supporting roller is coaxially installed on the static connecting shaft and can rotate around its own axis.

[0011] A dynamic connecting shaft is installed directly above the static connecting shaft, and the two ends of the dynamic connecting shaft are fixedly connected with the limiting columns.

[0012] The two protective sleeves are installed on the two limiting columns one by one and are located between the static connecting shaft and the dynamic connecting shaft.

[0013] Preferably, a wire pressing roller is coaxially installed on the dynamic connecting shaft and can rotate around the axis thereof.

[0014] Preferably, the dynamic connecting shaft comprises a shaft body, a column sleeve and a fastening bolt, the wire pressing roller is installed on the shaft body, the two column sleeves are fixedly connected with two ends of the shaft body one by one, the column sleeve is sleeved outside the limiting column, and the column sleeve and the limiting column are fixedly connected through the fastening bolt.

[0015] Preferably, the wire pressing roller and the supporting roller are V-shaped rollers.

[0016] Preferably, the connecting base comprises a fixed base plate, a movable base plate and a connecting bolt, the movable base plate is fixedly connected with the limiting column, the fixed base plate is embedded on the ship deck, the fixed base plate is formed with an accommodating groove, one end of the accommodating groove is open, the other end of the accommodating groove is integrally formed with a stop shoulder at the top, the movable base plate is formed with a connecting hole, the nut end of the connecting bolt is accommodated in the accommodating groove and abuts against the stop shoulder, and the threaded end of the connecting bolt passes through the connecting hole and is fixedly connected with the connecting nut.

[0017] Preferably, the accommodating groove is formed at the transverse two ends or the longitudinal two ends of the fixed base plate.

[0018] Preferably, the opening directions of the accommodating grooves at the transverse two ends or the longitudinal two ends of the fixed base plate are opposite.

[0019] Preferably, the protective sleeve is made of rubber.

[0020] The utility model discloses the beneficial effect of:

[0021] The utility model discloses the way of stop and rolling friction, and the limiting column is fixedly connected at the transverse two ends of the connecting base plate, and the supporting roller and the dynamic connecting shaft are fixedly connected between the two limiting columns, the stop cooperation of the limiting column and the submarine cable can be realized, the transverse position of the submarine cable is limited, the left and right swing phenomenon of the submarine cable in the walking process is prevented, the friction between the submarine cable and the limiting column is reduced through the protective sleeve, the hard friction between the submarine cable and the ship deck is changed into rolling friction through the rotation of the supporting roller, the friction degree of the surface layer of the submarine cable can be reduced, the damage degree of the submarine cable is reduced, and the laying quality of the submarine cable is guaranteed. ACCURACY OF DRAWINGS

[0022] Figure 1 It is a structural schematic view of the submarine cable limiting device suitable for submarine cable laying of the utility model;

[0023] Figure 2The utility model discloses a sea cable limiting device suitable for sea cable laying.

[0024] Figure 3 It is the three -dimensional schematic diagram of connecting base;

[0025] Figure 4 It is the connecting schematic diagram of fixed bottom plate and movable bottom plate;

[0026] Figure 5 It is the three -dimensional schematic diagram of dynamic connecting shaft;

[0027] Figure 6 It is the use state reference diagram of the sea cable limiting device suitable for sea cable laying of the utility model.

[0028] Mark explanation in drawing:

[0029] 10, connecting base; 11, fixed bottom plate; 12, movable bottom plate; 13, connecting bolt; 14, containing groove; 15, stop shoulder; 16, connecting hole; 17, connecting nut;

[0030] 20, limiting stand;

[0031] 30, static connecting shaft;

[0032] 40, support roller;

[0033] 50, dynamic connecting shaft; 51, shaft body; 52, column cover; 53, connecting through hole;

[0034] 60, protective sleeve;

[0035] 70, line pressing roller;

[0036] 80, ship deck;

[0037] 90, water entry guide plate;

[0038] 100, sea cable. DETAILED DESCRIPTION

[0039] The specific embodiments of the utility model are further explained in detail in combination with the drawings. These embodiments are only used for explaining the utility model, and not for limiting the utility model.

[0040] In the description of the utility model, it needs to explain, the term "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "internal", "external" and so on the orientation or position relation indicated based on the orientation or position relation shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and it is not indicated or implied that the device or element must have a particular orientation, a particular orientation and operation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0041] In the description of the utility model, it needs to explain, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0042] In addition, in the description of the utility model, unless otherwise stated, the meaning of "multiple" is two or more.

[0043] Embodiment, such as Figures 1-6 As shown in the figure, a submarine cable limiting device suitable for submarine cable laying, the submarine cable limiting device comprises:

[0044] The connecting base 10 is arranged along the transverse direction, and the connecting base 10 can be fixedly connected with the ship deck 80.

[0045] The limiting column 20, the number of the limiting column 20 is two, two limiting columns 20 are arranged in parallel above the connecting base 10, and the bottom end of the limiting column 20 is fixedly connected with the connecting base 10 perpendicularly.

[0046] The static connecting shaft 30 is arranged along the transverse direction, and the two ends of the static connecting shaft 30 are fixedly connected with the two limiting columns 20 one by one.

[0047] The supporting roller 40 is coaxially installed on the static connecting shaft 30, and the supporting roller 40 can rotate around its own axis, for rolling support to the submarine cable 100.

[0048] The dynamic connecting shaft 50 is installed above the static connecting shaft 30, and the two ends of the dynamic connecting shaft 50 are detachably fixedly connected with the limiting column 20, for vertical limiting of the submarine cable 100.

[0049] A protective sleeve 60, the number of protective sleeves 60 is two, the two protective sleeves 60 are installed on the two limiting columns 20 one by one, and the protective sleeve 60 is located between the static connecting shaft 30 and the dynamic connecting shaft 50, and is used for protecting the surface layer of the submarine cable 100.

[0050] The utility model adopts the mode of stop limit and rolling friction, and the limiting column 20 is fixedly connected at the transverse two ends of the connecting base 10, and the supporting roller 40 and the dynamic connecting shaft 50 are fixedly connected between the two limiting columns 20, the transverse limiting of the submarine cable 100 can be realized by the stop cooperation of the limiting column 20 and the submarine cable 100, the left and right swing phenomenon of the submarine cable 100 in the walking process is prevented, the friction between the submarine cable 100 and the limiting column 20 is reduced through the protective sleeve 60, the hard friction between the submarine cable 100 and the ship deck 80 is changed into rolling friction through the rotation of the supporting roller 40, the friction degree of the surface layer of the submarine cable 100 can be reduced, the damage degree of the submarine cable 100 is reduced, and the laying quality of the submarine cable 100 is guaranteed.

[0051] Specific embodiment 1, as shown in Figure 2 And Figure 5 A submarine cable limiting device suitable for submarine cable laying, the submarine cable limiting device comprises a connecting base 10, a limiting column 20, a static connecting shaft 30, a supporting roller 40, a dynamic connecting shaft 50, a protective sleeve 60 and a wire pressing roller 70.

[0052] The connecting base 10 is arranged along the transverse direction, and the connecting base 10 is fixedly connected with the ship deck 80 by welding.

[0053] The number of limiting columns 20 is two, the two limiting columns 20 are arranged along the vertical direction, and the two limiting columns 20 are installed one by one above the transverse two ends of the connecting base 10, the bottom end of the limiting column 20 is fixedly connected with the connecting base 10 by welding, that is, the two limiting columns 20 are arranged with a transverse spacing.

[0054] The static connecting shaft 30 is installed between the two limiting columns 20 along the transverse direction, and the two ends of the static connecting shaft 30 are fixedly connected with the two limiting columns 20 one by one by welding.

[0055] The supporting roller 40 is coaxially installed on the static connecting shaft 30, and the supporting roller 40 is rotatably connected with the static connecting shaft 30 through a bearing, so that the supporting roller 40 can rotate around its own axis, and is used for rolling supporting the submarine cable 100.

[0056] The dynamic connecting shaft 50 is arranged in parallel above the static connecting shaft 30, and the transverse two ends of the dynamic connecting shaft 50 are detachably fixedly connected with the two limiting columns 20.

[0057] The pressing roller 70 is coaxially arranged on the movable connecting shaft 50 and is rotatably connected with the movable connecting shaft 50 through a bearing, and is used for vertically limiting the submarine cable 100 to prevent the submarine cable 100 from escaping from between the two limiting columns 20.

[0058] The connecting mode between the movable connecting shaft 50 and the limiting column 20 can adopt any known detachable connecting mode, and only one of them is described below as an example: the movable connecting shaft 50 comprises a shaft body 51, two column sleeves 52 and fastening bolts, the pressing roller 70 is rotatably arranged on the shaft body 51, the two column sleeves 52 are fixedly connected with the two ends of the shaft body 51 in one-to-one correspondence, the two column sleeves 52 are correspondingly sleeved on the outer sides of the two limiting columns 20, and the column sleeve 52 and the limiting column 20 are fixedly connected by the fastening bolts, that is, the connecting through holes 53 are formed on the column sleeve 52, the penetrating holes (not shown in the figure) matched with the connecting through holes 53 are formed on the limiting column 20, and one end of the fastening bolt passes through the connecting through hole 53 and the penetrating hole and is threadedly connected with the fastening nut.

[0059] Preferably, the pressing roller 70 and the supporting roller 40 are V-shaped rollers.

[0060] The number of the protective sleeves 60 is two, and the two protective sleeves 60 are correspondingly arranged on the two limiting columns 20, and the protective sleeve 60 is located between the static connecting shaft 30 and the movable connecting shaft 50, and is used for protecting the surface layer of the submarine cable 100.

[0061] Preferably, the protective sleeve 60 is made of rubber material, which can effectively reduce the friction damage of the two limiting columns 20 to the submarine cable 100 during the laying process, thereby reducing the breakage of the pp rope on the surface layer of the submarine cable 100; the protective sleeve 60 is bundled or sleeved on the limiting column 20.

[0062] Specific embodiment 2, as shown in Figure 1 , Figure 3 and Figure 4 , a submarine cable limiting device suitable for submarine cable laying is arranged on the ship deck 80, located between the water entry guide plate 90 and the cable laying machine, and close to the water entry guide plate 90, the submarine cable limiting device comprises:

[0063] The connecting base 10 is arranged in the transverse direction and is detachably fixedly connected with the ship deck 80. Specifically, the connecting base 10 comprises a fixed base plate 11, a movable base plate 12 and connecting bolts 13. The movable base plate 12 is located above the fixed base plate 11, and the transverse two ends of the movable base plate 12 are fixedly connected with two limiting columns 20 one by one. The fixed base plate 11 is embedded on the ship deck 80 by welding, and a receiving groove 14 is formed on the fixed base plate 11. One end of the receiving groove 14 is open, and a stop shoulder 15 is integrally formed at the other end of the receiving groove 14. A connecting hole 16 matched with the receiving groove 14 is formed on the movable base plate 12. The nut end of the connecting bolt 13 is accommodated in the receiving groove 14 and abuts against the stop shoulder 15. The threaded end of the connecting bolt 13 passes through the connecting hole 16 and is fixedly connected with a connecting nut 17, so that the connecting base 10 is detachably fixedly connected with the ship deck 80, thereby facilitating the fixing of submarine cables of different specifications on the ship deck 80, so as to adapt to the laying operation of submarine cables 100 of different sizes.

[0064] Preferably, the receiving groove 14 is formed at the transverse two ends or the longitudinal two ends of the fixed base plate 11, and the opening directions of the receiving grooves 14 at the transverse two ends of the fixed base plate 11 are opposite, or the opening directions of the receiving grooves 14 at the longitudinal two ends of the fixed base plate 11 are opposite.

[0065] Specifically, as shown in Figure 3 the right end of the receiving groove 14 at the right end of the fixed base plate 11 is open, that is, the stop shoulder 15 is formed at the left end of the receiving groove 14 at the right end of the fixed base plate 11. The left end of the receiving groove 14 at the left end of the fixed base plate 11 is open, that is, the stop shoulder 15 is formed at the right end of the receiving groove 14 at the left end of the fixed base plate 11.

[0066] The limiting column 20 is provided in the transverse direction, and the two limiting columns 20 are arranged in parallel above the connecting base 10, and the bottom ends of the limiting columns 20 are fixedly connected with the connecting base 10.

[0067] Preferably, the limiting column 20 is a circular column, which helps to reduce the contact area between the submarine cable 100 and the two limiting columns 20, thereby avoiding damage to the outer layer of the submarine cable 100.

[0068] The static connecting shaft 30 is arranged in the transverse direction, and the two ends of the static connecting shaft 30 are fixedly connected with the two limiting columns 20 one by one.

[0069] The supporting roller 40 is coaxially installed on the static connecting shaft 30, and the supporting roller 40 can rotate around its own axis to roll and support the submarine cable 100.

[0070] A dynamic connecting shaft 50 is installed right above the static connecting shaft 30, and the two ends of the dynamic connecting shaft 50 are detachably fixedly connected with the limiting column 20, for vertically limiting the submarine cable 100.

[0071] Two protective sleeves 60 are installed on the two limiting columns 20 one by one, and the protective sleeves 60 are located between the static connecting shaft 30 and the dynamic connecting shaft 50, for protecting the surface layer of the submarine cable 100.

[0072] The use process of the submarine cable limiting device is as follows:

[0073] The connecting base 10 is fixed on the ship deck 80 by welding, the submarine cable 100 passes between the two limiting columns 20 and is placed on the supporting roller 40, and the two ends of the dynamic connecting shaft 50 are fixedly connected with the limiting column 20, so that the pressing roller 70, the supporting roller 40 and the two limiting columns 20 are connected into a "mouth" character, which can effectively limit the left and right violent shaking (swinging) of the submarine cable 100 due to man-machine, complex sea conditions, severe weather changes, complex seabed geology and other factors, avoids the internal damage caused by the impact of the submarine cable 100, and guarantees the laying quality of the submarine cable 100.

[0074] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled persons in the technical field, some improvements and replacements can be made without departing from the technical principles of the utility model, and these improvements and replacements should also be regarded as the protection range of the utility model.

Claims

1. A submarine cable positioning device suitable for submarine cable laying, characterized in that, The utility model relates to a kind of marine cable protection device, including: Connecting base (10), the connecting base (10) is arranged along transverse direction and can be fixedly connected with ship deck (80); Limiting column (20), two limiting column (20) are parallelly arranged above connecting base (10), and the bottom end of limiting column (20) is vertically fixedly connected with connecting base (10); Static connection shaft (30), the static connection shaft (30) is arranged along transverse direction, and the two ends of the static connection shaft (30) are fixedly connected with two limiting columns (20) one by one; Supporting roller (40), the supporting roller (40) is coaxially installed on static connection shaft (30) and can rotate around its own axis; Dynamic connection shaft (50), the dynamic connection shaft (50) is installed above static connection shaft (30), and the two ends of the dynamic connection shaft (50) are detachably fixedly connected with limiting column (20); Protective sleeve (60), two protective sleeves (60) are installed on two limiting columns (20) one by one, and the protective sleeve (60) is located between static connection shaft (30) and dynamic connection shaft (50).

2. A submarine cable positioner suitable for use in submarine cable laying according to claim 1, characterised in that, The dynamic connection shaft (50) is coaxially installed with a wire pressing roller (70), which can rotate around its own axis.

3. A submarine cable positioner suitable for use in submarine cable laying according to claim 2, characterised in that, The dynamic connection shaft (50) includes a shaft body (51), a column sleeve (52) and a fastening bolt, the wire pressing roller (70) is installed on the shaft body (51), two column sleeves (52) are fixedly connected with the two ends of the shaft body (51) one by one, and the column sleeve (52) is sleeved outside the limiting column (20), and the column sleeve (52) and the limiting column (20) are fixedly connected by the fastening bolt.

4. A submarine cable positioner suitable for use in submarine cable laying according to claim 2, characterised in that, The wire pressing roller (70) and the supporting roller (40) are both V-shaped rollers.

5. A submarine cable positioner suitable for use in submarine cable laying according to claim 1, characterized in that, The connecting base (10) includes a fixed base plate (11), a movable base plate (12) and a connecting bolt (13), the movable base plate (12) is fixedly connected with the limiting column (20), the fixed base plate (11) is embedded on the ship deck (80), the fixed base plate (11) is formed with a receiving groove (14), one end of the receiving groove (14) is open, a stop shoulder (15) is integrally formed at the top of the other end of the receiving groove (14), the movable base plate (12) is formed with a connecting hole (16), the nut end of the connecting bolt (13) is accommodated in the receiving groove and abuts against the stop shoulder (15), the threaded end of the connecting bolt (13) passes through the connecting hole (16) and is fixedly connected with a connecting nut (17).

6. A submarine cable positioner suitable for use in submarine cable laying according to claim 5, characterised in that, The receiving groove (14) is formed at the transverse or longitudinal ends of the fixed base plate (11).

7. A submarine cable positioner suitable for use in submarine cable laying according to claim 6, characterised in that, The opening directions of the receiving grooves (14) at the transverse or longitudinal ends of the fixed base plate (11) are opposite.

8. A submarine cable positioner suitable for use in submarine cable laying according to claim 1, characterized in that, The protective sleeve (60) is made of rubber.

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