Hydraulic mounting structure and method for a ship bottom multi-beam acoustic device

Abstract

The application discloses a kind of ship bottom multi-beam acoustic equipment hydraulic installation structure and method, structure includes through sea measurement cabin, inner opening type hydraulic watertight door, compressed air device, hydraulic lifting watertight door and hydraulic control system.The application is by being arranged in the bottom of ship one from the complete watertight through sea measurement cabin of the hatch cover of the bottom plate of ship to the driving deck of ship, and shipboard multi-beam transducer is fixedly installed in through sea measurement cabin, both have the advantages of traditional ship bottom fixed installation, can also avoid the problem that a large number of microorganisms are easily absorbed at installation groove caused by traditional fixed installation mode, and it is convenient to maintain through sea measurement cabin and shipboard multi-beam transducer, can greatly shorten the period of maintenance, avoid affecting surveying mother ship surveying work plan.In addition, the application utilizes hydraulic lifting mechanism to lower the probe of shipboard multi-beam transducer into water operation, and the degree of automation is high, and it is also convenient to clean the probe after each measurement operation.

Description

Technical Field

[0001] The present invention relates to the technical field of ships, and in particular to a hydraulic installation structure and method for multi-beam acoustic equipment on the bottom of a ship. Background Art

[0002] Shipborne multibeam transducers can be installed primarily in two ways: fixed and portable. Fixed installation is suitable for users with fixed survey vessels, while portable installation is ideal for those who do not have a fixed survey vessel and need to rent different vessels for operations. From the perspective of multibeam measurement data quality, fixed installation offers advantages such as improved noise immunity, minimal calibration parameter errors, and improved overall system performance stability.

[0003] Fixed installation methods for shipborne multi-beam transducers include bottom-mounted installation and caisson-mounted installation. Bottom-mounted installation is commonly used for mid- to deep-water multi-beam installations on large survey vessels and offers advantages such as excellent system stability and high-quality measurement data. However, mounting the multi-beam probe on the bottom of the ship is not conducive to routine maintenance and is difficult to inspect and repair. If the multi-beam transducer requires repair, the survey vessel must be docked for removal and replacement of spare parts. This method has a long maintenance cycle, seriously impacting the surveying and mapping schedule of the survey vessel. Furthermore, the grooves on the bottom of the survey vessel where the multi-beam equipment is mounted are prone to the absorption of large numbers of microorganisms, which can affect the multi-beam's measurement accuracy while the vessel is underway, necessitating regular cleaning. This significantly reduces the multi-beam's operational lifespan. Summary of the Invention

[0004] In view of the shortcomings of the existing technology, the present invention aims to provide a hydraulic installation structure and method for a multi-beam acoustic device on the bottom of a ship.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A hydraulic installation structure for multi-beam acoustic equipment on the bottom of a ship, comprising a sea-accessible measurement cabin, an inward-opening hydraulic watertight door, a compressed air device, a hydraulically-lifting watertight door, and a hydraulic control system;

[0007] The sea-accessible measurement cabin is a complete watertight compartment, with a hatch cover extending from the ship's bottom outer plate to the ship's bridge deck, and no openings on its outer surrounding wall; the ship's bottom outer plate is provided with a probe lowering opening, and the ship's bottom inner plate is provided with a watertight opening; the sealing cover on the watertight opening is closed with an inward-opening hydraulic watertight door; the inward-opening hydraulic watertight door and the hydraulic lifting watertight door are connected to the hydraulic control system via different hydraulic pipelines;

[0008] The probe of the shipborne multi-beam transducer is arranged at the bottom of the hydraulic lift watertight door; when the inward-opening hydraulic watertight door is closed on the watertight opening and the hydraulic lift watertight door is in a raised state, the hydraulic lift watertight door is located above the inward-opening hydraulic watertight door; when the inward-opening hydraulic watertight door is opened and the hydraulic lift watertight door is lowered, the hydraulic lift watertight door can pass through the watertight opening and sealably cover the probe lowering opening, and the probe of the shipborne multi-beam transducer protrudes from the outer plate of the bottom of the ship;

[0009] The compressed air device is connected to the sea-going measurement cabin.

[0010] Furthermore, the hydraulic lifting watertight door includes a hydraulic cylinder and a lifting watertight door; the hydraulic cylinder 1 is connected to the hydraulic control system through a hydraulic pipeline, the lower end of the hydraulic telescopic rod of the hydraulic cylinder 1 is connected to the lifting watertight door, and the probe of the shipborne multi-beam transducer is arranged at the bottom of the lifting watertight door through a connecting bracket; when the inward-opening hydraulic watertight door is closed on the watertight opening and the hydraulic telescopic rod is in a retracted state, the lifting watertight door is located above the inward-opening hydraulic watertight door; when the inward-opening hydraulic watertight door is opened and the hydraulic telescopic rod is in an extended state, the lifting watertight door can pass through the watertight opening and seal the lower opening of the probe, and the probe of the shipborne multi-beam transducer protrudes out of the bottom outer plate of the ship.

[0011] Furthermore, the inward-opening hydraulic watertight door includes a door frame, a watertight door, a rotating arm, a rotating seat, a second hydraulic cylinder and a cylinder support. The door frame is adaptively welded to the watertight opening. The bottom of the watertight door is provided with a sealing strip and is sealed on the door frame through the sealing strip; one end of the rotating arm is hinged to the rotating seat, and the other end is connected to the watertight door; a support is provided on the top of the watertight door, and the piston rod of the second hydraulic cylinder is rotatably connected to the support through a rotating shaft, and the cylinder body of the second hydraulic cylinder is connected to the cylinder support through a rotating shaft.

[0012] Furthermore, a weathertight hatch cover is provided above the probe well on the ship's bridge deck.

[0013] Furthermore, a video monitoring system is provided in the Tonghai measurement cabin for real-time monitoring of the interior of the Tonghai measurement cabin.

[0014] Furthermore, a water level alarm system and a bilge water pipeline are provided in the sea-going measurement cabin.

[0015] The present invention also provides a method for operating the hydraulic installation structure of the multi-beam acoustic device on the bottom of a ship, the specific process of which is as follows:

[0016] When measurement operations are required, a compressed air device is used to pressurize the air intake of the sea-going measurement cabin and maintain sufficient air pressure in the sea-going measurement cabin; when the air pressure is sufficient to prevent seawater from entering the sea-going measurement cabin, the hydraulic control system is used to drive the inward-opening hydraulic watertight door to open, and then the hydraulic control system is used to drive the hydraulic lifting watertight door to lower. After the hydraulic lifting watertight door passes through the watertight opening, it seals and closes the probe lowering opening, and the probe of the ship-borne multi-beam transducer is lowered to the outside of the bottom of the ship and enters the water for operation.

[0017] The beneficial effects of the present invention are as follows: by providing a complete watertight sea-going measurement cabin on the bottom of the ship, which extends from the outer plate of the bottom of the ship to the hatch cover of the ship's bridge deck, and fixing the ship-borne multi-beam transducer in the sea-going measurement cabin, the present invention not only has the advantages of traditional ship-bottom fixed installation, but also avoids the problem of the traditional fixed installation method that the installation groove is prone to adsorption of a large number of microorganisms. It also facilitates the maintenance of the sea-going measurement cabin and the ship-borne multi-beam transducer, which can greatly shorten the maintenance cycle and avoid affecting the surveying and mapping work plan of the survey mother ship. In addition, the present invention uses a hydraulic lifting mechanism to lower the probe of the ship-borne multi-beam transducer into the water, which has a high degree of automation and also facilitates the cleaning of the probe after each measurement operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the hydraulic installation structure of the multi-beam acoustic device on the bottom of a ship according to an embodiment of the present invention;

[0019] Figure 2 Schematic diagram of the structure of a hydraulic lifting watertight door in an embodiment of the present invention;

[0020] Figure 3 A schematic side cross-sectional view of an inward-opening hydraulic watertight door according to an embodiment of the present invention;

[0021] Figure 4 Schematic diagram of the top view of the inward-opening hydraulic watertight door in an embodiment of the present invention. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the accompanying drawings. It should be noted that this embodiment is based on the technical solution and provides a detailed implementation method and specific operation process, but the protection scope of the present invention is not limited to this embodiment.

[0023] Example 1

[0024] This embodiment provides a hydraulic installation structure for a multi-beam acoustic device on the bottom of a ship, such as Figure 1 As shown in Figure 4, it includes a sea-accessible measurement cabin 100, an inward-opening hydraulic watertight door 101, a compressed air device, a hydraulic lifting watertight door 102, and a hydraulic control system;

[0025] The sea-accessible survey cabin 100 is a complete watertight compartment, with a hatch cover extending from the ship's bottom outer plate 103 to the ship's bridge deck, and no openings on its outer surrounding walls. The ship's bottom outer plate 103 is provided with a probe lowering opening 104, and the ship's bottom inner plate 105 is provided with a watertight opening 106. The watertight opening 106 is sealed with an inward-opening hydraulic watertight door 101. The inward-opening hydraulic watertight door 101 and the hydraulic lifting watertight door 102 are connected to the hydraulic control system via different hydraulic pipelines.

[0026] The probe of the shipborne multi-beam transducer is arranged at the bottom of the hydraulic lift watertight door 102; when the inward-opening hydraulic watertight door 101 is closed on the watertight opening 106 and the hydraulic lift watertight door 102 is in the raised state, the hydraulic lift watertight door 102 is located above the inward-opening hydraulic watertight door 101; when the inward-opening hydraulic watertight door 101 is opened and the hydraulic lift watertight door 102 is lowered, the hydraulic lift watertight door 102 can pass through the watertight opening 106 and sealably cover the probe lowering opening 104, and the probe of the shipborne multi-beam transducer protrudes outside the bottom outer plate 103 of the ship;

[0027] The compressed air device is connected to the sea-going measurement cabin 100 .

[0028] It should be noted that the Tonghai Measurement Cabin, as a probe cabin, adopts multiple watertight protections to prevent the Tonghai Measurement Cabin from being flooded and causing the ship's living cabin to be submerged, affecting the safety of the ship.

[0029] It should be noted that Figure 1 Two inward-opening hydraulic watertight doors 101 are marked, respectively indicating the closed and opened states of the inward-opening hydraulic watertight door 101 , wherein the dotted line indicates the open state of the inward-opening hydraulic watertight door 101 .

[0030] In this embodiment, if Figure 2 As shown, the hydraulic lifting watertight door 102 includes a hydraulic cylinder 1 and a lifting watertight door 2; the hydraulic cylinder 1 is connected to the hydraulic control system through a hydraulic pipeline, the lower end of the hydraulic telescopic rod 3 of the hydraulic cylinder 1 is connected to the lifting watertight door 2, and the probe of the shipborne multi-beam transducer is arranged at the bottom of the lifting watertight door 2 through the connecting bracket 4; when the inward-opening hydraulic watertight door 101 is closed on the watertight opening 106 and the hydraulic telescopic rod 3 is in a retracted state, the lifting watertight door 2 is located above the inward-opening hydraulic watertight door 101; when the inward-opening hydraulic watertight door 101 is opened and the hydraulic telescopic rod 3 is in an extended state, the lifting watertight door 2 can pass through the watertight opening 106 and sealably cover the probe lowering opening 104, and the probe of the shipborne multi-beam transducer protrudes out of the bottom outer plate 103 of the ship.

[0031] In this embodiment, if Figure 3 -4, the inward-opening hydraulic watertight door includes a door frame 11, a watertight door 12, a rotating arm 13, a rotating seat 14, a hydraulic oil cylinder 2 15 and a cylinder support 16. The door frame 11 is adaptively welded to the watertight opening 106. The bottom of the watertight door 12 is provided with a sealing strip 111, and is sealed on the door frame 11 through the sealing strip 111; one end of the rotating arm 13 is hinged to the rotating seat 14, and the other end is connected to the watertight door 12; the top of the watertight door 12 is provided with a support 17, the piston rod 18 of the hydraulic oil cylinder 2 15 is rotatably connected to the support 17 through a rotating shaft 19, and the cylinder body of the hydraulic oil cylinder 2 15 is connected to the cylinder support 16 through a rotating shaft 110.

[0032] When it is necessary to open the inward-opening hydraulic watertight door, the hydraulic control system drives the piston rod 18 of the hydraulic cylinder 2 15 to retract, thereby driving the watertight door 12 to rotate and open around the rotating seat 14 through the rotating arm 13. When it is necessary to close the inward-opening hydraulic watertight door, the hydraulic control system drives the piston rod 18 of the hydraulic cylinder 2 15 to extend, driving the watertight door 12 to rotate in the opposite direction around the rotating seat 14 through the rotating arm 13 to close.

[0033] In this embodiment, the rotating arm 13 and the second hydraulic cylinder 15 are arranged in pairs and symmetrically on both sides of the watertight door 12. Figure 4 The hydraulic cylinder 2 on one side is omitted.

[0034] In this embodiment, a weathertight hatch cover is provided above the probe enclosure of the ship's bridge deck. By providing the weathertight hatch cover, it is convenient to enter the sea measurement cabin for maintenance when at the dock.

[0035] In this embodiment, a video monitoring system is provided in the sea-communication measurement cabin for real-time monitoring of the interior of the sea-communication measurement cabin.

[0036] In this embodiment, a water level alarm system and a bilge water pipeline are provided in the sea-connected measurement cabin. The water level in the sea-connected measurement cabin can be monitored by the water level alarm system. When water enters the sea-connected measurement cabin, an alarm is promptly issued to notify relevant personnel, and the bilge water pipeline is opened to pump out the water.

[0037] Example 2

[0038] This embodiment provides a method for operating the hydraulic installation structure of the multi-beam acoustic device on the bottom of a ship described in Embodiment 1. The specific process is as follows:

[0039] When measurement operations are required, a compressed air device is used to pressurize the air intake of the sea-going measurement cabin and maintain sufficient air pressure in the sea-going measurement cabin; when the air pressure is sufficient to prevent seawater from entering the sea-going measurement cabin, the hydraulic control system is used to drive the inward-opening hydraulic watertight door to open, and then the hydraulic control system is used to drive the hydraulic lifting watertight door to lower. After the hydraulic lifting watertight door passes through the watertight opening, it seals and closes the probe lowering opening, and the probe of the ship-borne multi-beam transducer is lowered to the outside of the bottom of the ship and enters the water for operation.

[0040] Those skilled in the art can make various corresponding changes and modifications based on the above technical solutions and concepts, and all of these changes and modifications should be included in the scope of protection of the claims of the present invention.

Claims

1. A hydraulic installation structure for multi-beam acoustic equipment on the bottom of a ship, characterized in that: It includes a sea-going measurement cabin, an inward-opening hydraulic watertight door, a compressed air device, a hydraulic lifting watertight door and a hydraulic control system; The sea-accessible measurement cabin is a complete watertight compartment, with a hatch cover extending from the ship's bottom outer plate to the ship's bridge deck, and no openings on its outer surrounding wall; the ship's bottom outer plate is provided with a probe lowering opening, and the ship's bottom inner plate is provided with a watertight opening; the sealing cover on the watertight opening is closed with an inward-opening hydraulic watertight door; the inward-opening hydraulic watertight door and the hydraulic lifting watertight door are connected to the hydraulic control system via different hydraulic pipelines; The probe of the shipborne multi-beam transducer is arranged at the bottom of the hydraulic lift watertight door; when the inward-opening hydraulic watertight door is closed on the watertight opening and the hydraulic lift watertight door is in a raised state, the hydraulic lift watertight door is located above the inward-opening hydraulic watertight door; when the inward-opening hydraulic watertight door is opened and the hydraulic lift watertight door is lowered, the hydraulic lift watertight door can pass through the watertight opening and sealably cover the probe lowering opening, and the probe of the shipborne multi-beam transducer protrudes outside the bottom outer plate of the ship; The compressed air device is connected to the sea-going measurement cabin; A weathertight hatch cover is provided above the probe trunk on the ship's bridge deck; A video monitoring system is provided in the sea-communication measurement cabin for real-time monitoring of the interior of the sea-communication measurement cabin.

2. The hydraulic installation structure for multi-beam acoustic equipment on the bottom of a ship according to claim 1, characterized in that: The hydraulic lifting watertight door includes a hydraulic cylinder and a lifting watertight door; the hydraulic cylinder is connected to a hydraulic control system through a hydraulic pipeline, the lower end of the hydraulic telescopic rod of the hydraulic cylinder is connected to the lifting watertight door, and the probe of the shipborne multi-beam transducer is arranged at the bottom of the lifting watertight door through a connecting bracket; when the inward-opening hydraulic watertight door is closed on the watertight opening and the hydraulic telescopic rod is in a retracted state, the lifting watertight door is located above the inward-opening hydraulic watertight door; when the inward-opening hydraulic watertight door is opened and the hydraulic telescopic rod is in an extended state, the lifting watertight door can pass through the watertight opening and sealably cover the lower opening of the probe, and the probe of the shipborne multi-beam transducer protrudes out of the bottom outer plate of the ship.

3. The hydraulic installation structure for multi-beam acoustic equipment on the bottom of a ship according to claim 1, characterized in that: The inward-opening hydraulic watertight door includes a door frame, a watertight door, a rotating arm, a rotating seat, a second hydraulic cylinder and a cylinder support. The door frame is adaptively welded to the watertight opening. The bottom of the watertight door is provided with a sealing strip and is sealed on the door frame through the sealing strip. One end of the rotating arm is hinged to the rotating seat, and the other end is connected to the watertight door. A support is provided on the top of the watertight door. The piston rod of the second hydraulic cylinder is rotatably connected to the support through a rotating shaft, and the cylinder body of the second hydraulic cylinder is connected to the cylinder support through a rotating shaft.

4. The hydraulic installation structure for multi-beam acoustic equipment on the bottom of a ship according to claim 1, characterized in that: The sea-going measurement cabin is provided with a water level alarm system and a bilge water pipeline.

5. A method for operating the hydraulic installation structure for a multi-beam acoustic device on the bottom of a ship according to any one of claims 1 to 4, characterized in that: The specific process is: When measurement operations are required, a compressed air device is used to pressurize the air intake of the sea-going measurement cabin and maintain sufficient air pressure in the sea-going measurement cabin; when the air pressure is sufficient to prevent seawater from entering the sea-going measurement cabin, the hydraulic control system is used to drive the inward-opening hydraulic watertight door to open, and then the hydraulic control system is used to drive the hydraulic lifting watertight door to lower. After the hydraulic lifting watertight door passes through the watertight opening, it seals and closes the probe lowering opening, and the probe of the ship-borne multi-beam transducer is lowered to the outside of the bottom of the ship and enters the water for operation.

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