Seawater injection system for seabed operation

Abstract

The utility model discloses a seawater injection system for seabed operation, which comprises a main body frame, a high-pressure injection pump and an injection device are arranged on the main body frame, the high-pressure injection pump is communicated with the inside of the injection device through a liquid pipeline, a nozzle is arranged on the injection device, and the nozzle is communicated with the injection device through a liquid pipeline. The high-pressure injection pump is used for compressing seawater into high-pressure liquid, and the high-pressure liquid flows into the injection device through the liquid pipeline and is sprayed out of the nozzle for seabed operation. The liquid pipeline comprises a fixing section, a transition section and a connecting section which are sequentially connected to form a right angle, and the transition section is of a hollow stand column structure integrated on the main body frame. According to the liquid pipeline structure, the pressure loss caused by pipeline bending is reduced; the transition section serves as a stand column structure integrated on the main body frame, so that the structural strength of the system is enhanced, and arrangement and connection of pipelines are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the ocean underwater operation engineering technical field, concretely relates to a seawater shooting system for submarine operation. BACKGROUND

[0002] The laying of submarine cable needs to use special operation equipment to dig ditch and bury cable, and the ditch digging mode generally adopts the operation mode of soil breaking by jetting, which needs to be realized by a matched shooting system. The liquid pipeline of the shooting device is separately arranged on the frame, and this design mode needs a larger installation space, increases the volume of the frame, and is not conducive to the stability of the whole operation equipment. UTILITY MODEL CONTENT

[0003] The utility model discloses a seawater shooting system for submarine operation, which has the advantages of simple structure, high stability and the like.

[0004] The utility model discloses the technical scheme is: a seawater shooting system for submarine operation, including main body frame, be equipped with high pressure jet pump and shooting device on the main body frame, the high pressure jet pump passes through liquid pipeline with the inside intercommunication of shooting device, be equipped with the nozzle on the shooting device, the high pressure jet pump is used for compressing the seawater into high pressure liquid, and high pressure liquid passes through liquid pipeline and flows to the inside of shooting device, and is sprayed from the nozzle and carries out submarine operation;

[0005] The liquid pipeline includes fixed section, transition section and connecting section that are connected in sequence to form a right angle, one end of the fixed section is communicated with the output port of the high pressure jet pump, the other end is communicated with the inside of the transition section, one end of the connecting section is communicated with the inside of the transition section, and the other end of the connecting section is used to communicate with the shooting device, and the transition section is a hollow column structure integrated on the main body frame.

[0006] Further, one end of the connecting section extends into the inside of the transition section to form an extension section, and a plurality of shunt holes are formed on the extension section.

[0007] Further, the cross-sectional area of the column structure is greater than the cross-sectional area of the fixed section and the connecting section.

[0008] Further, the shooting device is a shooting arm, the shooting arm includes a fixed seat, a plurality of fixed nozzles of different lengths, the plurality of fixed nozzles are arranged in order from short to long, the plurality of fixed nozzles are located in the same vertical plane and are arranged obliquely, the shortest fixed nozzle is located at the lowermost position, one end of the fixed seat is connected with the liquid pipeline, the other end is connected with the fixed nozzle, a channel for communicating the liquid pipeline with the fixed nozzle is arranged in the fixed seat, and the plurality of nozzles are arranged at the bottom of the plurality of fixed nozzles.

[0009] Further, the plurality of nozzles are divided into first nozzles and second nozzles according to different nozzle axis arrangement directions, and the first nozzles and the second nozzles are arranged alternately.

[0010] Further, an angle adjusting mechanism is further included for adjusting the angle of the shooting device, one end of the angle adjusting mechanism is connected with the shooting device, and the other end is connected with the main body frame.

[0011] Further, two sets of high-pressure jet pumps and two sets of shooting devices are arranged on the main body frame, the two sets of high-pressure jet pumps are communicated with the two sets of shooting devices through liquid pipelines, and the combined structure of the two sets of high-pressure jet pumps and the shooting devices is symmetrically arranged on both sides of the bottom of the main body frame.

[0012] Further, a movable cart is further arranged on the main body support, the movable cart is arranged above the two sets of shooting devices and movably connected with the two sets of shooting devices, and the movable cart is used for adjusting the distance between the two sets of shooting devices.

[0013] Further, the movable cart comprises a top guide groove, a side guide groove, two cantilever supports, two clamping parts and two telescopic hydraulic cylinders, the two telescopic hydraulic cylinders are correspondingly arranged with the two clamping parts, and the top guide groove and the side guide groove are fixed on the main body frame and arranged along the moving direction of the shooting device.

[0014] The clamping part is used for clamping the end part of the shooting device, the shooting device can rotate around the clamping point, the top of the clamping part is matched with the top guide groove through a top guide wheel, one end of the cantilever support is connected with the inner side of the clamping part, the other end of the cantilever support is matched with the side guide groove through a side guide wheel, one end of the telescopic hydraulic cylinder is fixed on the main body frame, and the other end is connected with the clamping part, the distance between the two sets of shooting devices is adjusted by driving the clamping part to move along the arrangement direction of the guide groove through the telescopic hydraulic cylinder.

[0015] Further, the clamping part comprises a top plate, a bottom plate and two opposite side plates, the top plate and the bottom plate are arranged in parallel, the two sides of the top plate are fixedly connected with the upper ends of the two side plates respectively, the two ends of the bottom plate are fixedly connected with the bottom ends of the two side plates respectively, the top guide wheel is fixed on the top of the side plate, the bottom surface of the top plate and the top surface of the bottom plate are provided with three supporting wheels arranged in a triangular shape, and the end part of the shooting device is connected with the three supporting wheels.

[0016] The utility model discloses the beneficial effects are:

[0017] The utility model discloses a main body frame integrates high pressure jet pump and the shooting device, formed the compact and efficient seawater shooting system, high pressure jet pump compresses the seawater into high pressure liquid, is transported to the shooting device through liquid pipeline, and the operation on the sea bottom is carried out from the nozzle, effectively improved the operation efficiency, the liquid pipeline includes the straight angle fixed section, transition section and connecting section that are connected in proper order to form, ensure that the liquid flows smoothly in the pipeline, reduce the pressure loss that pipeline bending brings simultaneously, the transition section as the column structure integrated on the main body frame not only strengthened the structural strength of system, also facilitated the arrangement and connection of pipeline.

[0018] The utility model discloses connecting section one end extends to the inside transition section and forms the extension section, and has a plurality of shunt holes on the extension section, and this design makes high pressure liquid more evenly distribute before flowing into the shooting device, improves the shooting effect and uniformity.

[0019] The utility model discloses the cross -sectional area of column structure is greater than the cross -sectional area of fixed section and connecting section, strengthens the pressure -bearing capacity and stability of pipeline, ensures the safe transmission of high pressure liquid in the pipeline.

[0020] The utility model discloses the shooting device adopts the shooting arm form, including fixed seat and a plurality of different length's fixed spout pipe, and fixed spout pipe arranges and sets up in the order of from short to long, and sets up obliquely, improves the shooting arm rigidity and stability, avoids the shaking, and the nozzle is divided into first nozzle and second nozzle and is arranged mutually staggered, makes the water flow that sprays can more evenly cover target area, more effectively carries out the shearing to the seabed soil.

[0021] The utility model discloses the angle adjusting mechanism can adjust the angle of shooting device, so that the system can adapt to different seabed topography and operation demand, improve the flexibility and adaptability of system.

[0022] The utility model discloses two sets of high pressure jet pumps and two sets of shooting devices are arranged on the main body frame, which improves the operation efficiency and stability of the system and ensures the continuity and reliability of the seabed operation.

[0023] The utility model discloses the movable cart is arranged above two sets of shooting devices and is movably connected with them, can adjust the distance between two sets of shooting devices, so that the system can adjust the operation range according to the need, improve the flexibility and efficiency of operation.

[0024] The utility model discloses movable cart includes top guide slot, side guide slot, cantilever support, clamping part and telescopic hydraulic cylinder etc. part. Through telescopic hydraulic cylinder drive clamping part moves along guide slot, realized the accurate adjustment of the distance between shooting device. Clamping part adopts the structure that top plate, bottom plate and side plate compose, can stably clamps the end of shooting device, and allows it to rotate around the clamping point. This design ensures the stability and safety of shooting device in the adjustment process. Attached Figure Description

[0025] Figure 1 This is a partial schematic diagram of the present invention.

[0026] Figure 2 This is a partial schematic diagram of the liquid pipeline of this utility model.

[0027] Figure 3 This is another partial schematic diagram of the liquid pipeline of this utility model.

[0028] Figure 4 This is a schematic diagram of the nozzle arrangement of this utility model.

[0029] Figure 5 This is a partial schematic diagram of the movable trolley of this utility model.

[0030] In the diagram, 1-Main frame; 1.1-Column; 2-High-pressure jet pump; 3-Liquid pipeline; 3.1-Fixed section; 3.2-Transition section; 3.3-Connecting section; 3.3.1-Guide section; 3.3.2-Telescopic section; 3.4-Extension section; 3.5-Diverter hole; 4-Jet device; 4.1-Nozzle; 4.1.1-First nozzle; 4.1.2-Second nozzle; 4.2-Fixed base; 4.2.1-Hinged section; 4.2.2-Fixed plate; 4.3-Fixed nozzle; 5-Angle adjustment mechanism; 6-Movable trolley; 6.1-Top guide groove; 6.2-Side guide groove; 6.3-Cantilever support; 6.4-Clamping part; 6.4.1-Top plate; 6.4.2-Bottom plate; 6.4.3-Side plate; 6.4.4-Support wheel; 6.5-Top guide wheel; 6.6-Side guide wheel. Detailed Implementation

[0031] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0032] like Figures 1-5The utility model provides a seawater jetting system for seabed operation, including main body frame 1, be equipped with high pressure jet pump 2 and jetting device 4 on main body frame 1, high pressure jet pump 2 is communicated with the inside of jetting device 4 through liquid pipeline 3, be equipped with nozzle 4.1 on jetting device 4, high pressure jet pump 2 is used for compressing seawater into high pressure liquid, and high pressure liquid is circulated to the inside of jetting device 4 through liquid pipeline 3, and is jetted from the nozzle 4.1 and carries out seabed operation, the utility model discloses an integrated high pressure jet pump 2 and jetting device 4 through main body frame 1, forms compact and efficient seawater jetting system, and high pressure jet pump compresses seawater into high pressure liquid, and is delivered to jetting device through liquid pipeline, and is jetted from the nozzle and carries out seabed operation, effectively improves operation efficiency.

[0033] The liquid pipeline 3 includes a fixed segment 3.1, a transition segment 3.2, and a connecting segment 3.3 connected in sequence to form a right angle. The fixed segment 3.1 is in communication with the output port of the high pressure jet pump 2 at one end and in communication with the inside of the transition segment 3.2 at the other end. The connecting segment 3.3 is in communication with the inside of the transition segment 3.2 at one end and is used to communicate with the jetting device 4 at the other end. The transition segment 3.2 is a hollow column structure integrated on the main body frame 1. The liquid pipeline 3 includes a fixed segment 3.1, a transition segment 3.2, and a connecting segment 3.3 connected in sequence to form a right angle, ensuring smooth flow of liquid in the pipeline. The transition segment 3.2, as a column structure integrated on the main body frame, not only enhances the structural strength of the system but also facilitates the arrangement and connection of the pipeline.

[0034] It can be understood that the connecting segment 3.3 extends into the transition segment to form an extension segment 3.4, and a plurality of shunt holes 3.5 are opened on the extension segment 3.4. The utility model discloses that the connecting segment extends into the transition segment 3.2 to form an extension segment 3.4, and a plurality of shunt holes 3.5 are opened on the extension segment, so that the high pressure liquid can be more evenly distributed before flowing into the jetting device, improving the jetting effect and uniformity.

[0035] It can be understood that the cross-sectional area of the column 1.1 structure is greater than the cross-sectional area of the fixed segment 3.1 and the connecting segment 3.3. The utility model discloses that the cross-sectional area of the column structure is greater than the cross-sectional area of the fixed segment and the connecting segment, which can ensure that the liquid has sufficient flow and also ensure the safe transmission of high pressure liquid in the pipeline.

[0036] In some embodiments, the impact device 4 is an impact arm, the impact arm comprises a fixed seat 4.2, a plurality of fixed nozzles 4.3 of different lengths, the plurality of fixed nozzles 4.3 are arranged in order from short to long, the plurality of fixed nozzles 4.3 are arranged in the same vertical plane and are inclined, the shortest fixed nozzle is located at the lowermost, one end of the fixed seat 4.2 is connected with the liquid pipeline 3, the other end is connected with the fixed nozzle 4.3, the fixed seat 4.2 is provided with a channel communicating the liquid pipeline and the fixed nozzle, and the plurality of nozzles 4.1 are arranged at the bottom of the plurality of fixed nozzles 4.3. The plurality of nozzles are divided into first nozzles 4.1.1 and second nozzles 4.1.2 according to different nozzle axis arrangement directions, and the first nozzles 4.1.1 and the second nozzles 4.1.2 are arranged alternately. The impact device of the utility model adopts the form of impact arm, comprises a fixed seat 4.2 and a plurality of fixed nozzles 4.3 of different lengths, the fixed nozzles are arranged in order from short to long, and are arranged obliquely, the rigidity and stability of the impact arm are improved, and shaking is avoided; the nozzles are divided into first nozzles and second nozzles and are arranged alternately, and the seabed soil is more effectively sheared.

[0037] In some embodiments, an angle adjusting mechanism 5 is further included, the angle adjusting mechanism 5 is used for adjusting the angle of the impact device 4, the angle adjusting mechanism is preferably a telescopic hydraulic cylinder, one end of the angle adjusting mechanism 5 is connected with the impact device 4, and the other end is connected with the main body frame 1. The angle adjusting mechanism 5 can adjust the angle of the impact device 4, so that the system can adapt to different seabed topographies and operation requirements, and the flexibility and adaptability of the system are improved.

[0038] In some embodiments, the main body frame 1 is provided with two sets of high-pressure jet pumps 2 and two sets of impact devices 4, the two sets of high-pressure jet pumps 2 are communicated with the two sets of impact devices 4 through the liquid pipeline 3, and the combination structure of the two sets of high-pressure jet pumps 2 and the impact devices 4 is symmetrically arranged at the bottom of the main body frame 1. The main body frame is provided with two sets of high-pressure jet pumps and two sets of impact devices, which are symmetrically arranged at the bottom of the main body frame, the operation efficiency and stability of the system are improved, and the continuity and reliability of the seabed operation are ensured.

[0039] In some embodiments, when the high-pressure jet pump 2 and the impact device 4 are arranged symmetrically on the main frame 1, a movable trolley 6 is arranged on the main frame 1, which is used to adjust the distance between the two sets of impact devices 4, and is arranged above and movably connected with the two sets of impact devices 4. The movable trolley 6 is arranged above and movably connected with the two sets of impact devices 4, which can adjust the distance between the two sets of impact devices 4, so that the system can adjust the working range as needed, and the flexibility and efficiency of the work are improved. Because the movable trolley 6 adjusts the position of the impact device 4, the connecting section 3.3 on the liquid pipeline 3 needs to be provided with a telescopic part to adapt to the distance adjustment. At this time, the connecting section 3.3 includes two parts of a guide section 3.3.1 and a telescopic section 3.3.2. One end of the guide section 3.3.1 is in communication with the transition section 3.2, and the other end is sleeved on the surface of the telescopic section 3.3.3. One end of the telescopic section 3.3.2 extends to the inside of the transition section 3.2 through the guide section 3.3.1. The extension section 3.4 is part of the telescopic section 3.3.2. The other end of the telescopic section 3.3.2 is in communication with the fixed seat 4.2 of the impact device 4.

[0040] In some embodiments, as shown in Figure 3 The movable trolley 6 includes a top guide groove 6.1, a side guide groove 6.2, a cantilever support 6.3, two clamping parts 6.4, and two telescopic hydraulic cylinders (not shown in the figure). The two telescopic hydraulic cylinders are arranged correspondingly with the two clamping parts 6.4. The top guide groove 6.1 and the side guide groove 6.2 are fixed on the main frame 1 and arranged along the moving direction of the impact device. The clamping part 6.4 is used to clamp the end of the impact device, and the impact device can rotate around the clamping point. The top of the clamping part 6.4 is matched with the top guide groove 6.1 through a top guide wheel 6.5. One end of the cantilever support 6.3 is connected with the inner side of the clamping part 6.4, and the other end is matched with the side guide groove 6.2 through a side guide wheel 6.6. One end of the telescopic hydraulic cylinder is fixed on the main frame 1, and the other end is connected with the clamping part 6.4. The distance between the two impact devices 4 is adjusted by driving the clamping part 6.4 to move along the guide groove through the telescopic hydraulic cylinder. The top guide wheel 6.5 and the side guide wheel 6.6 each include two kinds of guide wheels arranged perpendicularly to each other, and the two kinds of guide wheels are arranged alternately, so that the movable trolley can bear both transverse force and longitudinal force. The movable trolley includes a top guide groove, a side guide groove, a cantilever support, a clamping part, and a telescopic hydraulic cylinder. The clamping part is driven to move along the guide groove through the telescopic hydraulic cylinder, and the distance between the impact devices is accurately adjusted.

[0041] The clamping part 6.4 comprises a top plate 6.4.1, a bottom plate 6.4.2 and two oppositely arranged side plates 6.4.3, the top plate 6.4.1 is arranged in parallel with the bottom plate 6.4.2, the top plate 6.4.1 is fixedly connected with the upper ends of the two side plates 6.4.3 respectively, the bottom plate 6.4.2 is fixedly connected with the bottom ends of the two side plates 6.4.3 respectively, the top guide wheel 6.5 is fixed to the top of the side plate 6.4.3, the bottom surface of the top plate 6.4.1 and the top surface of the bottom plate 6.4.2 are provided with three supporting wheels 6.4.4 arranged in a triangular shape, the end of the hinged section of the shooting device is connected with the three supporting wheels 6.4.4, when the angle adjusting mechanism 5 adjusts the rotation angle of the shooting device 4, the hinged section can rotate in the clamping part 4.4, the three-point arranged supporting wheels not only ensure the rotation function, but also improve the stability of the whole mechanism. The clamping part of the utility model is composed of a top plate, a bottom plate and a side plate, can stably clamp the end of the shooting device, and allows it to rotate around the clamping point, ensures the stability and safety of the shooting device in the adjusting process.

[0042] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. The contents not described in detail in the specification belong to the prior art known to the person skilled in the art.

Claims

1. A seawater jetting system for subsea operations, characterized in that: The utility model relates to a high pressure jetting pump and the shooting device are arranged on the main body frame (1), the high pressure jetting pump (2) is communicated with the shooting device (4) inside through liquid pipeline (3), and the shooting device (4) is equipped with nozzle, the high pressure jetting pump (2) is used to compress seawater into high pressure liquid, and high pressure liquid passes through liquid pipeline (3) and is circulated to the inside of shooting device (4), and is sprayed from the nozzle (4.1) and carries out seabed operation, The liquid pipeline (3) includes fixed section (3.1), transition section (3.2) and connecting section (3.3) that are sequentially connected to form a right angle, one end of the fixed section (3.1) is communicated with the output port of the high pressure jetting pump (2), the other end is communicated with the inside of the transition section (3.2), one end of the connecting section (3.3) is communicated with the inside of the transition section (3.2), and the other end of the connecting section (3.3) is used to communicate with the shooting device (4), and the transition section (3.2) is a vertical column (1.1) structure integrated on the main body frame (1) and hollow inside.

2. A seawater jetting system for subsea operations according to claim 1, characterised in that: One end of the connecting section (3.3) extends to the inside of the transition section (3.2) to form an extension section (3.4), and a plurality of shunt holes (3.5) are opened on the extension section (3.4).

3. The seawater jetting system for subsea operations of claim 1, wherein: The cross-sectional area of the vertical column (1.1) structure is greater than the cross-sectional area of the fixed section (3.1) and the connecting section (3.3).

4. The seawater jetting system for subsea operations of claim 1, wherein: The shooting device (4) is a shooting arm, the shooting arm includes a fixed seat (4.2) and a plurality of fixed nozzles (4.3) of different lengths, the plurality of fixed nozzles (4.3) are arranged in order from short to long, the plurality of fixed nozzles (4.3) are located in the same vertical plane and are arranged obliquely, the shortest fixed nozzle is located at the lowermost position, one end of the fixed seat (4.2) is connected with the liquid pipeline (3), the other end is connected with the fixed nozzle (4.3), the fixed seat (4.2) is provided with a passage for communicating the liquid pipeline (3) with the fixed nozzle (4.3), and the plurality of nozzles are arranged at the bottom of the plurality of fixed nozzles (4.3).

5. A seawater jetting system for subsea operations according to claim 4, characterised in that: The plurality of nozzles (4.1) are divided into first nozzles (4.1.1) and second nozzles (4.1.2) according to different nozzle axis arrangement directions, the first nozzles (4.1.1) and the second nozzles (4.1.2) are arranged alternately.

6. The seawater jetting system for subsea operations of claim 1, wherein: An angle adjusting mechanism (5) is further included for adjusting the angle of the shooting device (4), one end of the angle adjusting mechanism (5) is connected with the shooting device (4), and the other end is connected with the main body frame (1).

7. The seawater jetting system for subsea operations of claim 1, wherein: The main body frame (1) is provided with two sets of high pressure jetting pumps (2) and two sets of shooting devices (4), the two sets of high pressure jetting pumps (2) are communicated with the two sets of shooting devices (4) through liquid pipelines (3), and the combination structure of the two sets of high pressure jetting pumps (2) and the shooting devices (4) is symmetrically arranged on both sides of the bottom of the main body frame (1).

8. A seawater jetting system for subsea operations according to claim 7, characterised in that: An activity cart (6) is further arranged on the main body frame, the activity cart (6) is arranged above the two sets of shooting devices (4) and is movably connected with the two sets of shooting devices (4), and the activity cart (6) is used to adjust the distance between the two sets of shooting devices (4).

9. A seawater jetting system for subsea operations according to claim 8, characterised in that: The active trolley (6) comprises a top guide groove (6.1), a side guide groove (6.2), two cantilever supports (6.3), two clamping parts (6.4) and two telescopic hydraulic cylinders, and the two telescopic hydraulic cylinders are arranged correspondingly with the two clamping parts (6.4); the top guide groove (6.1) and the side guide groove (6.2) are fixed on the main frame and arranged along the moving direction of the impact device; The clamping part (6.4) is used for clamping the end of the impact device (4), the impact device (4) can rotate around the clamping point, the top of the clamping part (6.4) is matched with the top guide groove (6.1) through the top guide wheel (6.5), one end of the cantilever support (6.3) is connected with the inner side of the clamping part, the other end of the cantilever support (6.3) is matched with the side guide groove (6.2) through the side guide wheel (6.6), one end of the telescopic hydraulic cylinder is fixed on the main frame, and the other end is connected with the clamping part (6.4), and the distance adjustment between the two sets of impact devices (4) is realized by driving the clamping part (6.4) to move along the arrangement direction of the guide groove through the telescopic hydraulic cylinder.

10. A seawater jetting system for subsea operations according to claim 9, characterised in that: The clamping part (6.4) comprises a top plate (6.4.1), a bottom plate (6.4.2) and two oppositely arranged side plates (6.4.3), the top plate (6.4.1) and the bottom plate (6.4.2) are arranged in parallel, the two sides of the top plate (6.4.1) are respectively fixedly connected with the upper ends of the two side plates (6.4.3), the two ends of the bottom plate (6.4.2) are respectively fixedly connected with the bottom ends of the two side plates (6.4.3), the top guide wheel (6.5) is fixed on the top of the side plate (6.4.3), and the bottom surface of the top plate (6.4.1) and the top surface of the bottom plate (6.4.2) are provided with three supporting wheels (6.4.4) arranged in a triangular shape, and the end of the impact device (4) is connected with the three supporting wheels (6.4.4).

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