Submarine cable burying device

Abstract

The submarine cable burying device comprises a chassis, a walking part is arranged on the chassis, the length direction of the chassis is a first direction, the width direction of the chassis is a second direction, and any two of the first direction, the second direction and the up-down direction are perpendicular to each other; a sand discharging assembly is connected with the chassis, the sand discharging assembly is used for discharging sand, the sand discharging assembly comprises a water pump and a nozzle, the inlet of the nozzle is connected with the outlet of the water pump; a rising assembly is connected with the chassis, the rising assembly comprises a propeller, and the propeller is used for driving the chassis to move upwards in water; and a connecting assembly is connected with the chassis, and the connecting assembly is used for being connected with a lifting device on a ship body. Therefore, the submarine cable burying device has the advantages of being convenient to lift and convenient to discharge sand.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of marine cable operation and maintenance, and particularly relates to a submarine cable burying device. BACKGROUND

[0002] The submarine cable is a wire wrapped with insulating material laid on the seabed. The submarine cable is divided into submarine communication cable and submarine power cable. The submarine communication cable is mainly used for communication services. The submarine power cable is mainly used for underwater transmission of high-power electric energy, and has the same function as the underground power cable, except that the application occasions and laying methods are different. During the laying process of the submarine cable, deep burying protection is required. With the rapid development of China's submarine communication and offshore wind power industry, the submarine and optical cable business is rising by multiple, and a large number of submarine and optical cable burying devices and operation and maintenance services are required. Therefore, a submarine cable burying device is needed. In related technologies, the submarine cable burying device is not easy to be lifted and is not easy to be salvaged after use. SUMMARY

[0003] The present application aims to at least solve one of the technical problems in the related art. To this end, an embodiment of the present application proposes a submarine cable burying device.

[0004] The submarine cable burying device of the embodiment of the present application comprises:

[0005] A chassis is provided with a traveling part. The length direction of the chassis is a first direction, the width direction of the chassis is a second direction, and any two of the first direction, the second direction and the up-down direction are perpendicular to each other.

[0006] A sand discharging assembly is connected with the chassis. The sand discharging assembly is used for discharging sand. The sand discharging assembly comprises a water pump and a spray pipe. The inlet of the spray pipe is connected with the outlet of the water pump.

[0007] An ascending assembly is connected with the chassis. The ascending assembly comprises a propeller. The propeller is used to drive the chassis to move upward in water.

[0008] A connecting assembly is connected with the chassis. The connecting assembly is used to be connected with a lifting device on a ship body.

[0009] Therefore, the submarine cable burying device according to the embodiment of the present application has the advantages of being easy to lift and easy to discharge sand.

[0010] In some embodiments, the connecting assembly is located on the top of the chassis. The connecting assembly comprises at least one of a chuck and an ear.

[0011] In some embodiments, the connecting assembly comprises a fixing plate, the thickness direction of the fixing plate is the up-down direction, the fixing plate is a rectangular plate, the chuck is arranged at the center of the upper surface of the fixing plate, the chuck can be clamped with a lock buckle on a lifting device on the ship body, and the upper surface of the fixing plate is provided with the lifting lugs at four corners.

[0012] In some embodiments, the fixing plate is provided with a visual assembly, a controller and an antenna, the visual assembly is located on one side of the fixing plate in the first direction, the antenna is arranged on the upper surface of the fixing plate, the visual assembly comprises a rotating frame and an underwater camera, the underwater camera is connected to the lower surface of the fixing plate through the rotating frame, the rotating frame can adjust the camera angle of the underwater camera, the walking part, the sand discharging assembly, the ascending assembly, the visual assembly and the antenna are connected to the controller, and the antenna is used to enhance the signal.

[0013] In some embodiments, the ascending assembly is located between the chassis and the fixing plate in the up-down direction.

[0014] The ascending assembly comprises an ascending frame, an ascending moving part and the propeller, the ascending frame is connected to the chassis, and the ascending moving part can drive the propeller to move outward in the horizontal direction.

[0015] In some embodiments, the ascending frame is a U-shaped frame with an opening facing the lower side, and two ascending frames are arranged at intervals in the first direction.

[0016] The ascending moving part comprises two first driving rods, the telescopic part of the first driving rod is connected to one propeller, and the telescopic part of each first driving rod can drive the propeller connected thereto to move in the second direction away from the ascending frame.

[0017] The two ascending moving parts are connected through a connecting rod.

[0018] The walking part comprises a walking driver and a track wheel, and the two sides of the chassis in the second direction are provided with the track wheels, and the walking driver can drive the track wheels to move.

[0019] The chassis comprises two support plates, the thickness direction of the support plates is the up-down direction, the two support plates are arranged above the two track wheels respectively, the ascending frames are connected to the two support plates respectively on the two sides in the second direction, and the two support plates are connected to the fixing plate through a fixing column.

[0020] In some embodiments, the sand discharging assembly comprises a sand suction part, the sand suction part comprises a sand suction pipe, a sand suction driver and a sand discharging pipe, an outlet of the sand suction pipe is connected with an inlet of the sand suction driver, an outlet of the sand suction driver is connected with an inlet of the sand discharging pipe, a position of an inlet of the sand suction pipe is adjustable, the sand suction driver can suck sand by using the sand suction pipe, and the sand sucked by the sand suction driver can be discharged from the sand discharging pipe.

[0021] In some embodiments, the chassis comprises a first frame body, two ends of the first frame body in the first direction are respectively a first end and a second end;

[0022] The sand discharging assembly comprises two sand suction parts, the two sand suction parts are arranged at intervals in the second direction, the sand suction part is arranged at the first end of the first frame body, the sand suction pipe is located between the two sand suction drivers in the second direction, the two sand discharging pipes are located outside the two sand suction drivers in the second direction, the sand suction pipe can rotate relative to the sand suction driver so as to adjust the inlet direction of the sand suction pipe, and the rotation axis of the sand suction pipe is the second direction;

[0023] The sand discharging assembly comprises a moving driver, the moving driver can drive the sand suction pipe to rotate relative to the moving driver, and the moving driver can drive the sand suction pipe to rotate relative to the first frame body.

[0024] The sand discharging assembly comprises a moving driver, the moving driver can drive the sand suction pipe to rotate relative to the moving driver, and the moving driver can drive the sand suction pipe to rotate relative to the first frame body.

[0025] In some embodiments, the sand suction pipe comprises a first pipe segment and a second pipe segment, the first pipe segment, the second pipe segment and the moving driver are connected in sequence, an extension direction of the second pipe segment is the second direction, the second pipe segment is rotationally connected with the inlet of the moving driver, the inlet of the first pipe segment constitutes the inlet of the sand suction pipe, and an extension direction of the first pipe segment is perpendicular to the extension direction of the second pipe segment.

[0026] Each of the sand suction parts comprises a gear, a toothed plate and a sliding sleeve, the sliding sleeve is arranged on the first end of the first frame body, the gear is sleeved on the outer circumferential side of the corresponding first pipe section and can drive the sand suction pipe to rotate, the length direction of the toothed plate is the first direction, the toothed plate is slidably arranged on the sliding sleeve along the first direction, a spring is arranged in the sliding sleeve, two ends of the spring are connected with the toothed plate and the sliding sleeve respectively, the spring can drive the toothed plate to move in the first direction along the direction adjacent to the second end of the first frame body, and the moving driver can drive the toothed plate to move in the first direction along the direction away from the second end of the first frame body.

[0027] The plurality of spray pipes are arranged at intervals in the second direction, and the outlet of the water pump is connected with the inlet of the spray pipe through a hose;

[0028] The second end of the first frame body is provided with a first rotating shaft connected with it in rotation, the axial direction of the first rotating shaft is the second direction, the inlet end of the spray pipe is connected with the first rotating shaft, the outlet end of the spray pipe is provided with a plurality of spray heads, and the plurality of spray pipes driven by the moving driver can rotate around the axis of the first rotating shaft.

[0029] In some embodiments, the sand suction driver is a submersible sand suction pump;

[0030] The extension direction of the sand discharge pipe is the second direction;

[0031] The outlet end of each of the spray pipes is provided with a plurality of spray heads arranged at intervals in the up-down direction;

[0032] The first frame body is provided with a first support column on each of the four corners of the upper surface, the first support column extends in the up-down direction, and the top of the first support column is provided with a support plate;

[0033] The first frame body comprises a plurality of first connecting plates adjacent to the second end, the length direction of the first connecting plate is the second direction, and a plurality of the first connecting plates are arranged at intervals in the first direction, and the moving driver is arranged on the first connecting plate;

[0034] The first frame body comprises a transmission assembly, the transmission assembly comprises two first bottom plates, two first sliding frames, two first sliding rods, a first sliding plate and a plurality of first rotating rods, the length direction of the first bottom plate is the first direction, the two first bottom plates are arranged at intervals in the second direction, the two first sliding frames are arranged at intervals in the first direction, the second direction of each first sliding frame is connected with the first bottom plate, the length direction of the first sliding rod is the first direction, the two first sliding rods are arranged at intervals in the second direction, the first sliding rod is located above the first bottom plate, the two ends of the first sliding rod are connected with the two first sliding frames, the first sliding plate is slidably arranged on the two first sliding rods in the first direction, the two ends of the first sliding plate are located outside the two first sliding frames in the second direction, and the first sliding plate is pushed to move the tooth plate in the first direction away from the second end of the first frame body when the first sliding plate moves in the first direction away from the second end of the first frame body.

[0035] The top of each spray pipe is provided with a second sliding rod, the second sliding rod has a first preset size in the first direction, the second sliding rod is provided with a sliding ring connected with the second sliding rod in sliding, a plurality of first rotating rods are connected with a plurality of sliding rings on the spray pipes one by one, one end of the first rotating rod adjacent to the second end in the first direction is hinged with the first sliding plate, one end of the first rotating rod away from the second end in the first direction is hinged with the sliding ring, and the sliding of the first sliding plate in the first direction can drive the rotation of the spray pipe.

[0036] The movement driver is a second driving rod, the axial direction of the second driving rod is the first direction, the telescopic part of the second driving rod can be telescoped outward in the first direction away from the second end, the second driving rod is located between the first sliding plate and the second end in the first direction, and the telescopic part of the second driving rod is connected with the first sliding plate so as to drive the first sliding plate to move in the first direction. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 It is a schematic view of a submarine cable burying device according to an embodiment of the present application.

[0038] Figure 2 It is a schematic view of a submarine cable burying device according to an embodiment of the present application.

[0039] Figure 3 It is a schematic view of a connecting assembly according to an embodiment of the present application.

[0040] Figure 4is a schematic view of a connection assembly according to an embodiment of the present application.

[0041] Figure 5 is a schematic view of a rising assembly according to an embodiment of the present application.

[0042] Figure 6 is a schematic view of a sand discharging assembly according to an embodiment of the present application.

[0043] Figure 7 is a schematic view of a transmission assembly according to an embodiment of the present application.

[0044] Figure 8 is a schematic view of a transmission assembly according to an embodiment of the present application.

[0045] Reference signs: 1, chassis; 2, water pump; 3, track wheel; 4, support plate; 5, rising assembly; 51, rising frame body; 52, propeller; 53, connecting rod; 54, rising moving part; 6, connection assembly; 61, fixed plate; 62, chuck; 63, lifting lug; 64, antenna; 65, visual assembly; 66, controller; 7, sand discharging assembly; 71, first frame body; 711, first end part; 712, second end part; 72, first support column; 73, first connecting plate; 74, moving driver; 75, transmission assembly; 751, first bottom plate; 752, first rotating shaft; 753, hose; 754, second sliding rod; 755, first sliding plate; 756, first rotating rod; 757, spray pipe; 758, first sliding frame; 76, sliding sleeve; 77, sand suction driver; 78, toothed plate; 79, gear; 790, rotating pipe frame; 791, sand suction pipe; 792, sliding ring. DETAILED DESCRIPTION

[0046] Embodiments of the present application are described in detail below with reference to examples shown in the accompanying drawings. The embodiments described below by reference to the accompanying drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0047] A submarine cable burying device according to an embodiment of the present application is described below with reference to the accompanying drawings. As shown in the drawings, the submarine cable burying device according to an embodiment of the present application comprises a chassis 1, a sand discharging assembly 7, a rising assembly 5 and a connection assembly 6. Figures 1 to 8

[0048] ​The chassis 1 is provided with a traveling part, the length direction of the chassis 1 is a first direction, the width direction of the chassis 1 is a second direction, and any two of the first direction, the second direction and the up-down direction are perpendicular to each other. Specifically, the traveling part includes a traveling driver and a track wheel 3, the two sides of the chassis 1 in the second direction are each provided with a track wheel 3, and the traveling driver can drive the track wheel 3 to move. The first direction can be the front-back direction, the second direction can be the left-right direction, and the front-back direction, the left-right direction and the up-down direction are shown by arrows in the figure. For example, the length direction of the chassis 1 is the front-back direction, the width direction of the chassis 1 is the left-right direction, and the two sides of the chassis 1 in the left-right direction are each provided with a track wheel 3. The chassis 1 includes two support plates 4, the thickness direction of the support plate 4 is the up-down direction, and the two support plates 4 are respectively located above the two track wheels 3 so as to form a protection.

[0049] As shown in Figures 1 to 3 , the connecting assembly 6 is connected with the chassis 1, and the connecting assembly 6 is used to be connected with a lifting device on a ship body. Specifically, the connecting assembly 6 is located at the top of the chassis 1, the connecting assembly 6 includes at least one of a chuck 62 and an ear 63, the chuck 62 can be clamped with a lock catch on the lifting device on the ship body, the ear 63 can be hung with a hook on the lifting device, and the chuck 62 and the ear 63 can facilitate the submarine cable burying device according to the embodiment of the application to be lifted.

[0050] In some embodiments, the connecting assembly 6 includes a fixed plate 61, the thickness direction of the fixed plate 61 is the up-down direction, the fixed plate 61 is a rectangular plate, the chuck 62 is arranged at the center position of the upper surface of the fixed plate 61, and the four corners of the upper surface of the fixed plate 61 are each provided with an ear 63. The chuck 62 and the plurality of ears 63 are matched, so that when the chuck 62 is damaged, the submarine cable burying device according to the embodiment of the application can be conveniently lifted by the lifting device on the ship body through the ear 63. For example, the fixed plate 61 is connected with the support plate 4 through a fixed column, and the two support plates 4 are connected with the fixed plate 61 through the fixed column.

[0051] As shown in Figure 1 and Figure 4As shown, in some embodiments, a vision component 65, a controller 66, and an antenna 64 are provided on the fixed plate 61. The vision component 65 is located on one side of the fixed plate 61 in a first direction, and the antenna 64 is located on the upper surface of the fixed plate 61. The vision component 65 includes a rotating frame and an underwater camera. The underwater camera is connected to the lower surface of the fixed plate 61 via the rotating frame, and the rotating frame can adjust the camera angle of the underwater camera. The walking unit, the sand-draining component 7, the ascending component 5, the vision component 65, and the antenna 64 are connected to the controller 66, and the antenna 64 is used to enhance the signal. That is, the walking unit, the sand-draining component 7, the ascending component 5, and the vision component 65 can be controlled by the controller 66. The controller 66 is located inside the vision component 65 in the first direction. For example, the vision component 65 is located at the front end of the lower surface of the fixed plate 61, and the controller 66 is located at the middle position of the lower surface of the fixed plate 61.

[0052] like Figure 1 and Figure 5 As shown, the lifting assembly 5 is connected to the chassis 1. The lifting assembly 5 includes a thruster 52, which drives the chassis 1 to move upward in the water. Specifically, the lifting assembly 5 is located between the chassis 1 and the fixed plate 61 in the vertical direction. The lifting assembly 5 includes a lifting frame 51, a lifting moving part 54, and a thruster 52. The lifting frame 51 is connected to the chassis 1, and the lifting moving part 54 can drive the thruster 52 to move outward in the horizontal direction.

[0053] In some embodiments, the lifting frame 51 is a U-shaped frame with its opening facing downwards. There are two lifting frames 51, which are spaced apart in a first direction. The two sides of the lifting frame 51 in a second direction are respectively connected to two support plates 4, that is, the upright plates on both sides of the lifting frame 51 in the second direction are connected to the two support plates 4, thereby increasing the accommodation space for the components on the lower side.

[0054] There are two lifting moving parts 54, each located at the top of the lifting frame 51. Each lifting moving part 54 includes two first drive rods arranged opposite to each other in a second direction. The telescopic portion of each first drive rod is connected to a thruster 52. The telescopic portion of each first drive rod can drive the thruster 52 connected to it to move in a direction away from the lifting frame 51 in the second direction, thereby enabling the two first drive rods of each lifting moving part 54 to drive the two thrusters 52 to move opposite to each other in the second direction. Thus, when ascent is required, the lifting moving part 54 can drive the two thrusters 52 to move outward in the second direction, extending beyond the outer side of the support plate 4 and the fixed plate 61, thereby facilitating the propeller blades of the thrusters 52 to propel the submarine cable laying device according to the embodiment of the present invention upward in the water. For example, the first drive rods can be hydraulic rods, and the two first drive rods of each lifting moving part 54 can drive the two thrusters 52 to move opposite to each other in the left-right direction.

[0055] The two ascending moving parts 54 are connected by a connecting rod 53. For example, the connecting rod 53 is a round rod extending in the front-rear direction.

[0056] As shown in FIG. 1, the sand-removing assembly 7 is connected to the chassis 1, and the sand-removing assembly 7 is used for removing sand, and the sand-removing assembly 7 comprises a water pump 2 and a spray pipe 757, and the inlet of the spray pipe 757 is connected to the outlet of the water pump 2. Thus, the water pump 2 can spray water to the sand on the seabed through the spray pipe 757 to form an installation groove for burying the cable on the seabed. Figures 6 to 8 As shown in FIG. 1, the sand-removing assembly 7 comprises a sand-removing part in some embodiments, and the sand-removing part comprises a sand-removing pipe 791, a sand-removing driver 77 and a sand-removing pipe. The outlet of the sand-removing pipe 791 is connected to the inlet of the sand-removing driver 77, the outlet of the sand-removing driver 77 is connected to the inlet of the sand-removing pipe, and the position of the inlet of the sand-removing pipe 791 is adjustable. The sand-removing driver 77 can suck the sand by using the sand-removing pipe 791, and the sand sucked by the sand-removing driver 77 can be discharged from the sand-removing pipe. The sand-removing part can suck the sand in the installation groove, thereby facilitating the burying of the cable. For example, the sand-removing driver 77 is a submersible sand-removing pump.

[0057] Figure 6 In some embodiments, the chassis 1 comprises a first frame body 71, and the two ends of the first frame body 71 in the first direction are respectively a first end portion 711 and a second end portion 712. For example, the first end portion 711 is located at the rear side of the second end portion 712.

[0058] In some embodiments, the sand-removing assembly 7 comprises two sand-removing parts, and the two sand-removing parts are arranged in the second direction. The sand-removing part is arranged at the first end portion 711 of the first frame body 71. The two sand-removing pipes 791 are located between the two sand-removing drivers 77 in the second direction, and the two sand-removing pipes are located outside the two sand-removing drivers 77 in the second direction. The sand-removing pipe 791 can rotate relative to the sand-removing driver 77 to adjust the orientation of the inlet of the sand-removing pipe 791, and the rotation axis of the sand-removing pipe 791 is the second direction. The parallel arrangement of the two sand-removing parts in the second direction can improve the sand-removing efficiency. For example, the two sand-removing parts are arranged in the left-right direction, and the sand-removing part is arranged at the rear end portion of the first frame body 71. The two sand-removing pipes 791 are located between the two sand-removing drivers 77 in the left-right direction, and the two sand-removing pipes are located outside the two sand-removing drivers 77 in the left-right direction. The rotation axis of the sand-removing pipe 791 is the left-right direction.

[0059]

[0060] ​​In some embodiments, the sand suction pipe 791 comprises a first pipe segment and a second pipe segment, the first pipe segment, the second pipe segment and the moving driver 74 are connected in sequence, the extending direction of the second pipe segment is the second direction, the second pipe segment is rotationally connected with the inlet of the moving driver 74, the inlet of the first pipe segment constitutes the inlet of the sand suction pipe 791, the extending direction of the first pipe segment is perpendicular to the extending direction of the second pipe segment, and the extending direction of the sand discharge pipe is the second direction. That is, the sand suction pipe 791 is an L-shaped pipe body, so that when the sand suction pipe 791 rotates, the orientation of the inlet of the sand suction pipe 791 can be adjusted. For example, the extending directions of the second pipe segment and the sand discharge pipe are left-right directions.

[0061] The nozzle 757 is located between at least part of the two sand suction portions in the second direction, the nozzle 757 is rotationally connected with the first frame body 71 so as to adjust the orientation of the outlet of the nozzle 757, and the rotation axis of the nozzle 757 is the second direction. Thus, after the nozzle 757 breaks the sand layer of the seabed to form the installation groove, the two sand suction portions can clean the sand in the installation groove.

[0062] The sand discharge assembly 7 comprises the moving driver 74, the moving driver 74 can drive the sand suction pipe 791 to rotate relative to the moving driver 74, and the moving driver 74 can drive the sand suction pipe 791 to rotate relative to the first frame body 71.

[0063] As shown in FIG. 8, in some embodiments, each sand suction portion comprises a gear 79, a toothed plate 78 and a sliding sleeve 76. Figure 6

[0064] The sliding sleeve 76 is arranged on the first end portion 711 of the first frame body 71, the gear 79 is sleeved on the outer circumferential side of the corresponding first pipe segment and can drive the sand suction pipe 791 to rotate, the first end portion 711 of the first frame body 71 is provided with a rotating pipe frame 790 on the end face, the rotating pipe frame 790 is rotationally connected with the first pipe segment of the sand suction pipe 791, so that the gear 79 can rotate in the rotating pipe frame 790, so as to improve the rotation stability of the gear 79 and the sand suction pipe 791.

[0065] ​The length direction of the tooth plate 78 is the first direction, the tooth plate 78 is slidably arranged on the sliding sleeve 76 along the first direction, the sliding sleeve 76 is internally provided with a spring, and the two ends of the spring are respectively connected with the tooth plate 78 and the sliding sleeve 76. The spring can drive the tooth plate 78 to move in the first direction along the direction adjacent to the second end portion 712 of the first frame body 71, and the moving driver 74 can drive the tooth plate 78 to move in the first direction away from the second end portion 712 of the first frame body 71. The tooth plate 78 is provided with a stop block, so that the stop block can limit the tooth plate 78 when the tooth plate 78 slides on the sliding sleeve 76. For example, the length direction of the tooth plate 78 is the front-back direction, and the tooth plate 78 is slidably arranged on the (corresponding) sliding sleeve 76 along the front-back direction. The spring can drive the tooth plate 78 to move forward, and the moving driver 74 can drive the tooth plate 78 to move backward (against the elastic force of the spring), so that the spring cooperates with the moving driver 74 to drive the sand suction pipe 79 to rotate.

[0066] In some embodiments, the second end portion 712 of the first frame body 71 is provided with a first rotating shaft 752 rotationally connected thereto, the axial direction of the first rotating shaft 752 is the second direction, the inlet end of the spray pipe 757 is connected with the first rotating shaft 752, the outlet end of the spray pipe 757 is provided with a plurality of spray heads, and the plurality of spray pipes 757 driven by the moving driver 74 rotate around the axis of the first rotating shaft 752. For example, the outlet end of the spray pipe 757 is provided with a plurality of spray heads in the form of pipe bodies, the front end of the first frame body 71 is provided with the first rotating shaft 752, and the axial direction of the first rotating shaft 752 is the left-right direction.

[0067] In some embodiments, the first frame body 71 is provided with the first support column 72 on each of the four corners of the upper surface, the first support column 72 extends in the up-down direction, and the top of the first support column 72 is provided with the support plate 4. The first frame body 71 comprises a plurality of first connecting plates 73 adjacent to the second end portion 712, the length direction of the first connecting plate 73 is the second direction, the plurality of first connecting plates 73 are arranged at intervals in the first direction, and the moving driver 74 is arranged on the first connecting plate 73.

[0068] As shown in FIG. 1, Figure 7 In some embodiments, the spray pipe 757 is a plurality of spray pipes 757, the plurality of spray pipes 757 are arranged at intervals in the second direction, and the outlet of the water pump 2 is connected with the inlet of the spray pipe 757 through the hose 753. The outlet end of each spray pipe 757 is provided with a plurality of spray heads arranged at intervals in the up-down direction. In this way, the sand discharging efficiency of the spray pipe 757 can be improved. For example, when the spray pipe 757 is not rotated downward, the opening of the uppermost spray head of each spray pipe 757 faces upward, the openings of the plurality of spray heads below the uppermost spray head of each spray pipe 757 face backward (away from the second end portion 712 in the first direction), the sizes of the plurality of spray heads of each spray pipe 757 decrease downward, and the inlet end (one end adjacent to the second end portion 712 in the first direction) of each spray pipe 757 is connected with the first rotating shaft 752.

[0069] As shown in FIG. 1, in some embodiments, the first frame body 71 comprises a transmission assembly 75, which comprises two first bottom plates 751, two first sliding frames 758, two first sliding rods, a first sliding plate 755, and a plurality of first rotating rods 756. Figures 6 to 8 The length direction of the first bottom plate 751 is the first direction, the two first bottom plates 751 are arranged in the second direction, and the two first sliding frames 758 are arranged in the first direction. The two ends of each first sliding frame 758 are connected to the first bottom plate 751 in the second direction. The length direction of the first sliding rod is the first direction, and the two first sliding rods are arranged in the second direction. The first sliding rod is located above the first bottom plate 751, and the two ends of the first sliding rod are connected to the two first sliding frames 758. The spray pipe 757 is located between the two first bottom plates 751 in the second direction. For example, the length direction of the first bottom plate 751 is the front-back direction, the two first bottom plates 751 are arranged in the left-right direction, the two first sliding frames 758 are arranged in the front-back direction, and the two ends of each first sliding frame 758 are connected to the first bottom plate 751 in the left-right direction. The length direction of the first sliding rod is the first direction, and the two first sliding rods are arranged in the left-right direction. The first sliding rod is located above the first bottom plate 751, and the two ends of the first sliding rod are connected to the two first sliding frames 758.

[0070] The length direction of the first bottom plate 751 is the first direction, the two first bottom plates 751 are arranged in the second direction, and the two first sliding frames 758 are arranged in the first direction. The two ends of each first sliding frame 758 are connected to the first bottom plate 751 in the second direction. The length direction of the first sliding rod is the first direction, and the two first sliding rods are arranged in the second direction. The first sliding rod is located above the first bottom plate 751, and the two ends of the first sliding rod are connected to the two first sliding frames 758. The spray pipe 757 is located between the two first bottom plates 751 in the second direction. For example, the length direction of the first bottom plate 751 is the front-back direction, the two first bottom plates 751 are arranged in the left-right direction, the two first sliding frames 758 are arranged in the front-back direction, and the two ends of each first sliding frame 758 are connected to the first bottom plate 751 in the left-right direction. The length direction of the first sliding rod is the first direction, and the two first sliding rods are arranged in the left-right direction. The first sliding rod is located above the first bottom plate 751, and the two ends of the first sliding rod are connected to the two first sliding frames 758.

[0071] In some embodiments, the spray pipe 757 is two, each first sliding frame 758 comprises two spray pipe U-shaped frames with openings facing downward, which are used to accommodate the spray pipe 757, and the two spray pipe U-shaped frames of each first sliding frame 758 can accommodate two spray pipes 757.

[0072] The first sliding plate 755 is slidably arranged on the two first sliding rods in the first direction, the two ends of the first sliding plate 755 are located outside the two first sliding frames 758 in the second direction, and the first sliding plate 755 can push the tooth plate 78 to move in the first direction away from the second end 712 of the first frame body 71 when the first sliding plate 755 moves in the first direction away from the second end 712 of the first frame body 71 (a predetermined distance). Specifically, the first sliding plate 755 is slidably arranged on the two first sliding rods through two sliding sleeves, and the first sliding plate 755 is arranged opposite to the tooth plate 78 in the first direction. For example, the first sliding plate 755 is slidably arranged on the two first sliding rods in the front-back direction, the two ends of the first sliding plate 755 are located outside the two first sliding frames 758 in the left-right direction, and the first sliding plate 755 can push the tooth plate 78 to move backward when the first sliding plate 755 moves backward (a predetermined distance).

[0073] The top of each spray pipe 757 is provided with a second slide rod 754, the lower surface of the length direction of both ends of the second slide rod 754 is connected to the top of the spray pipe 757 through a connecting rod. The second slide rod 754 has a first preset size in the first direction, and the second slide rod 754 is provided with a sliding ring 792 connected thereto in sliding connection. A plurality of first rotating rods 756 are connected to the sliding rings 792 on the plurality of spray pipes 757 in one-to-one correspondence, one end of the first rotating rod 756 adjacent to the second end portion 712 in the first direction is hinged to the first sliding plate 755, and the other end of the first rotating rod 756 away from the second end portion 712 in the first direction is hinged to the sliding ring 792. The first sliding plate 755 slides in the first direction to drive the spray pipe 757 to rotate.

[0074] The moving driver 74 is a second driving rod, the axial direction of the second driving rod is the first direction, the telescopic part of the second driving rod can be extended outward in the first direction away from the second end portion 712, the second driving rod is located between the first sliding plate 755 and the second end portion 712 in the first direction, and the telescopic part of the second driving rod is connected to the first sliding plate 755 to drive the first sliding plate 755 to move in the first direction. For example, the axial direction of the second driving rod is the front-back direction, the telescopic part of the second driving rod can be extended backward, the second driving rod is located between the first sliding plate 755 and the second end portion 712 in the front-back direction, and the telescopic part of the second driving rod is connected to the first sliding plate 755 to drive the first sliding plate 755 to move in the front-back direction. The backward movement of the first sliding plate 755 can drive the spray pipe 757 to rotate downward and can drive the sand suction pipe 791 to rotate.

[0075] When the moving driver 74 is extended, the first sliding plate 755 is pushed to slide backward on the surface of the first sliding frame 758, under the action of the first rotating rod 756, the second slide rod 754 is pushed, so that the second slide rod 754 pushes the multi-head high-pressure spray pipe 757 to drive the first rotating shaft 752 to rotate in the inner cavity of the first bottom plate 751, that is, the multi-head high-pressure spray pipe 757 rotates around the first rotating shaft 752 to the appropriate position, and the backward sliding of the first sliding plate 755 also pushes the toothed plate 78, under the cooperation of the gear 79, drives the sand suction pipe 791 to rotate to the appropriate position. The high-pressure water flow generated by the high-pressure water pump 2 enters the two multi-head high-pressure spray pipes 757 through the high-pressure hose 753, the cable is located between the two multi-head high-pressure spray pipes 757, and the high-pressure water flow is formed by the multi-head high-pressure spray pipe 757 to wash away the silt to form a groove, the cable falls into the groove, and finally the cable laying work is completed.

[0076] The seabed cable burying device according to the embodiment of the present application is taken out from the cable laying ship when the seabed cable needs to be laid, and is hoisted to a suitable position in the sea by the hoisting mechanism on the cable laying ship under the cooperation of the connecting group 6, and the staff can control the movement of the device on the seabed from the cable laying ship through the connecting group 6, and find the seabed cable, so that the seabed cable is located between the sand discharging mechanisms 7. After the device is adjusted to the position, the sand discharging mechanisms 7 generate high-pressure water flow through the high-pressure water pump 2, and the sand is washed away to form a suitable depth of groove, and the cable between the sand discharging mechanisms 7 will fall into the bottom of the groove. The device drives along the seabed cable while washing away the sand, until the work is completed. After the laying is completed, the lifting group 5 is started to make the device rise from the seabed, and the device is hoisted back to the cable laying ship through the cooperation of the hoisting mechanism on the cable laying ship. Through the cooperation of the chuck 62 and the hoisting mechanism on the cable laying ship, the hoisting operation of the device can be quickly completed, the lifting lug 63 plays a role in preventing the chuck from being damaged and unable to perform the hoisting operation, and the cooperation of the visual assembly 65, the controller 66 and the antenna 64 can make the staff remotely control the device on the seabed to perform the cable laying work.

[0077] Therefore, the seabed cable burying device according to the embodiment of the present application has the advantages of convenient hoisting and convenient sand discharging.

[0078] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0079] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0080] In the present application, unless specifically defined otherwise, the terms "mounting", "connected", "connecting", "fixed", "fixedly connected", "connection", "fixedly connected", "connected", "fixed", and the like should be construed broadly, for example, can be fixed connection, can be detachable connection, or integral; can be mechanical connection, can be electrical connection or communication with each other; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically defined. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0081] In the present application, unless specifically defined otherwise, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the first feature is lower than the second feature in horizontal height.

[0082] In the present application, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples described in the specification and the features of different embodiments or examples without contradiction.

[0083] Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and cannot be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application.

Claims

1. A submarine cable burying apparatus characterized by comprising: The device comprises: a chassis, a traveling part is arranged on the chassis, the length direction of the chassis is a first direction, the width direction of the chassis is a second direction, and any two of the first direction, the second direction and the up-down direction are perpendicular to each other; a sand discharging assembly, the sand discharging assembly is connected with the chassis, the sand discharging assembly is used for discharging sand, the sand discharging assembly comprises a water pump and a spray pipe, the inlet of the spray pipe is connected with the outlet of the water pump; a rising assembly, the rising assembly is connected with the chassis, the rising assembly comprises a propeller, and the propeller is used for driving the chassis to move upward in water; a connecting assembly, the connecting assembly is connected with the chassis, the connecting assembly is used for being connected with a lifting device on a ship body, the connecting assembly is located on the top of the chassis, the connecting assembly comprises at least one of a chuck and an earing; the sand discharging assembly comprises a sand suction part, the sand suction part comprises a sand suction pipe, a sand suction driver and a sand discharging pipe, the outlet of the sand suction pipe is connected with the inlet of the sand suction driver, the outlet of the sand suction driver is connected with the inlet of the sand discharging pipe, the position of the inlet of the sand suction pipe is adjustable, the sand suction driver can suck sand by using the sand suction pipe, and the sand sucked by the sand suction driver can be discharged from the sand discharging pipe; the sand discharging assembly comprises two sand suction parts, the two sand suction parts are arranged at intervals in the second direction, the sand suction pipe is located between the two sand suction drivers in the second direction, the two sand discharging pipes are located outside the two sand suction drivers in the second direction, the sand suction pipe can rotate relative to the sand suction driver so as to adjust the orientation of the inlet of the sand suction pipe, and the rotation axis direction of the sand suction pipe is the second direction.

2. A submarine cable laying apparatus according to claim 1, characterised in that, the connecting assembly comprises a fixing plate, the thickness direction of the fixing plate is the up-down direction, the fixing plate is a rectangular plate, the chuck is arranged at the center position of the upper surface of the fixing plate, the chuck can be clamped with a lock catch on the lifting device on the ship body, and the upper surface of the fixing plate is provided with the earing at each corner.

3. A submarine cable laying apparatus according to claim 2, characterised in that, the fixing plate is provided with a visual assembly, a controller and an antenna, the visual assembly is located on one side of the fixing plate in the first direction, the antenna is arranged on the upper surface of the fixing plate, the visual assembly comprises a rotating frame and an underwater camera, the underwater camera is connected with the lower surface of the fixing plate through the rotating frame, the rotating frame can adjust the shooting angle of the underwater camera, the traveling part, the sand discharging assembly, the rising assembly, the visual assembly and the antenna are connected with the controller, and the antenna is used for enhancing signals.

4. The device according to claim 2, wherein the rising assembly is located between the chassis and the fixing plate in the up-down direction; the rising assembly comprises a rising frame body, a rising moving part and the propeller, the rising frame body is connected with the chassis, and the rising moving part can drive the propeller to move outward in the horizontal direction.

5. The device according to claim 4, wherein The ascending frame is a U-shaped frame with an opening facing downward, and two ascending frames are arranged at intervals in the first direction; The ascending moving parts are two, each of which is arranged at the top of the ascending frame, and each of the ascending moving parts comprises two first driving rods, the telescopic part of each first driving rod is connected with a propeller, and the telescopic part of each first driving rod can drive the propeller connected therewith to move in the second direction away from the ascending frame; The two ascending moving parts are connected through a connecting rod; The walking part comprises a walking driver and a track wheel, and the second direction of the chassis is provided with the track wheel on both sides, and the walking driver can drive the track wheel to move; The chassis comprises two support plates, the thickness direction of the support plates is the up-down direction, the two support plates are arranged above the two track wheels respectively, the ascending frame is connected with the two support plates on both sides in the second direction respectively, and the two support plates are connected with the fixed plate through a fixed column.

6. The submarine cable burying device according to claim 1, wherein The chassis comprises a first frame, the two ends of the first frame in the first direction are a first end and a second end respectively, and the sand suction parts are arranged at the first end of the first frame; The nozzle is located between at least part of the two sand suction parts in the second direction, the nozzle is rotationally connected with the first frame so as to adjust the outlet direction of the nozzle, and the rotation axis direction of the nozzle is the second direction; The sand discharging assembly comprises a moving driver, the moving driver can drive the sand suction pipe to rotate relative to the moving driver, and the moving driver can drive the sand suction pipe to rotate relative to the first frame.

7. The submarine cable burying device according to claim 6, wherein The sand suction pipe comprises a first pipe section and a second pipe section, the first pipe section, the second pipe section and the moving driver are connected in sequence, the extension direction of the second pipe section is the second direction, the second pipe section is rotationally connected with the inlet of the moving driver, the inlet of the first pipe section constitutes the inlet of the sand suction pipe, and the extension direction of the first pipe section is perpendicular to the extension direction of the second pipe section; Each sand suction part comprises a gear, a toothed plate and a sliding sleeve, the sliding sleeve is arranged on the first end of the first frame, the gear is sleeved on the outer circumferential side of the corresponding first pipe section and can drive the sand suction pipe to rotate, the length direction of the toothed plate is the first direction, the toothed plate is slidably arranged on the sliding sleeve in the first direction, a spring is arranged in the sliding sleeve, the two ends of the spring are connected with the toothed plate and the sliding sleeve respectively, the spring can drive the toothed plate to move in the first direction away from the second end of the first frame, and the moving driver can drive the toothed plate to move in the first direction away from the second end of the first frame. The plurality of spray pipes are arranged in the second direction, and the outlet of the water pump is connected to the inlet of the spray pipe through a hose; The second end of the first frame body is provided with a first rotating shaft connected thereto in rotation, the first rotating shaft is in the second direction, the inlet end of the spray pipe is connected to the first rotating shaft, and the outlet end of the spray pipe is provided with a plurality of spray heads.

8. The apparatus of claim 7, wherein, The sand suction driver is a submersible sand suction pump. The extension direction of the sand discharge pipe is the second direction. The outlet end of each spray pipe is provided with a plurality of spray heads arranged in the up-down direction. The first support column is arranged on the upper surface of the first frame body, extends in the up-down direction, and is provided with a support plate at the top. The first frame body comprises a plurality of first connecting plates adjacent to the second end, the length direction of the first connecting plate is the second direction, a plurality of first connecting plates are arranged in the first direction, and the moving driver is arranged on the first connecting plate. The first frame body comprises a transmission assembly, the transmission assembly comprises two first bottom plates, two first sliding frames, two first sliding rods, a first sliding plate and a plurality of first rotating rods, the length direction of the first bottom plate is the first direction, two first bottom plates are arranged in the second direction, two first sliding frames are arranged in the first direction, the second direction of each first sliding frame is connected to the first bottom plate, the length direction of the first sliding rod is the first direction, two first sliding rods are arranged in the second direction, the first sliding rod is located above the first bottom plate, and the two ends of the first sliding rod are connected to the two first sliding frames. The top of each spray pipe is provided with a second sliding rod, the second sliding rod has a first preset size in the first direction, the second sliding rod is provided with a sliding ring connected thereto in sliding, a plurality of first rotating rods are connected to the sliding ring on the plurality of spray pipes one by one, one end of the first rotating rod in the first direction adjacent to the second end is hinged to the first sliding plate, and the other end of the first rotating rod in the first direction away from the second end is hinged to the sliding ring. The first sliding plate in the first direction can drive the spray pipe to rotate. The moving driver is a second driving rod, an axial direction of the second driving rod is the first direction, an extension part of the second driving rod is capable of extending outwards in the first direction away from the second end part, the second driving rod is located between the first sliding plate and the second end part in the first direction, and the extension part of the second driving rod is connected with the first sliding plate so as to drive the first sliding plate to move in the first direction.

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