A moon pool lifting device for unmanned survey boat

Abstract

The invention discloses a moon pool lifting device for an unmanned measuring boat, which penetrates and is sealed and fixed at the bottom of the hull of the unmanned boat, and comprises a mounting frame and a lifting rod; the top of the mounting frame is located inside the hull of the unmanned boat, a sealing plate is fixed in the middle of the mounting frame, and the bottom of the mounting frame extends into the water body and is fixedly connected to a sealing sleeve; the lifting rod axially slides and penetrates the sealing sleeve, and the bottom of the lifting rod is fixedly connected to a measuring device. The device serves as a carrying device for measuring loads and supports the replacement of multiple devices, so that the unmanned measuring boat has a modular replacement function.

Description

Technical Field

[0001] The invention relates to the technical field of underwater measuring equipment, in particular to a moon pool lifting device for an unmanned measuring boat. Background Art

[0002] With the rapid development of unmanned boat technology, more and more intelligent unmanned equipment has emerged and been widely used. By adding measurement equipment to the unmanned boat platform, the hydrological and meteorological detection function of the ocean or inland waters can be realized, which has become an important application branch of surface unmanned boats.

[0003] Underwater load measurement equipment such as multi-beam sonar, shallow water multi-beam, acoustic Doppler current profiler, etc. are sensitive to interference noise. The equipment is directly installed on the bottom of the boat, close to the hull, and is easily affected by various noises, thereby weakening the detection capability of the measurement equipment. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the present invention is to provide a moon pool lifting device for an unmanned survey boat, which serves as a carrying device for measuring loads and supports multiple equipment replacement, so that the unmanned survey boat has a modular replacement function.

[0005] In order to solve the above problems, the present invention provides a moon pool lifting device for an unmanned measurement boat. The moon pool lifting device penetrates and is sealed and fixed at the bottom of the hull of the unmanned boat. The moon pool lifting device includes a mounting frame and a lifting rod; the top of the mounting frame is located inside the hull of the unmanned boat, a sealing plate is fixedly provided in the middle of the mounting frame, and the bottom of the mounting frame extends into the water body and is fixedly connected to a sealing sleeve; the lifting rod axially slides through the sealing sleeve, and the bottom of the lifting rod is fixedly connected to the measuring equipment.

[0006] Preferably, an electrically controlled hydraulic station is vertically fixed on the top of the mounting frame, and a power output end of the electrically controlled hydraulic station is vertically telescopically connected to a hydraulic telescopic rod; the bottom end of the hydraulic telescopic rod is coaxially fixed to the top end of the lifting rod.

[0007] Preferably, the lifting rod is a hollow rod, a wiring hole is radially opened on the upper part of the lifting rod, and the bottom of the lifting rod is fixed with the hoisting measuring equipment through the mounting flange; the cable passed through the wiring hole penetrates the lifting rod and the mounting flange and is electrically connected to the measuring equipment.

[0008] The advantages of the present invention compared with the prior art are:

[0009] The moon pool lifting device for an unmanned measuring boat of the present invention provides support and sealing for the main body of the device through a mounting frame, in particular, the sealing plate on the mounting frame is used for waterproof sealing at the place where the mounting frame penetrates the hull of the unmanned boat, and the sealing sleeve under the mounting frame is used for sliding sealing of the gap of the lifting rod, and provides radial support force for the lifting rod to ensure the axial lifting guide support of the lifting rod. Finally, the lifting rod is provided with lifting power by an electric control hydraulic station, and the hollow structure inside the lifting rod is convenient for wiring and connecting the measuring equipment, and the measuring equipment is driven by the lifting rod to perform lifting operations below the mounting bracket (in the water body outside the hull). BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0011] Figure 1 It is a structural schematic diagram of the present invention;

[0012] Figure 2 A schematic diagram showing a comparison of the load lifting postures of the present invention;

[0013] Figure 3 This is a schematic diagram of the installation posture of the present invention on an unmanned boat;

[0014] In the figure: 1-electrically controlled hydraulic station; 2-hydraulic telescopic rod; 3-wiring hole; 4-lifting rod; 5-sealing plate; 6-mounting frame; 7-mounting flange; 8-measuring equipment; 9-sealing sleeve. DETAILED DESCRIPTION

[0015] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0016] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0017] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0018] The present invention discloses a moon pool lifting device for an unmanned measuring boat, which penetrates and is sealed and fixed at the bottom of the hull of the unmanned boat. The moon pool lifting device comprises a mounting frame 6 and a lifting rod 4. The top of the mounting frame is located inside the hull of the unmanned boat, a sealing plate 5 is fixedly provided in the middle of the mounting frame, and the bottom of the mounting frame extends into the water body and is fixedly connected to a sealing sleeve. The lifting rod axially slides through the sealing sleeve, and the bottom of the lifting rod is fixedly connected to a measuring device 8.

[0019] Preferably, an electrically controlled hydraulic station 1 is vertically fixed on the top of the mounting frame, and a power output end of the electrically controlled hydraulic station is vertically telescopically connected to a hydraulic telescopic rod 2; the bottom end of the hydraulic telescopic rod is coaxially fixed to the top end of the lifting rod.

[0020] Preferably, the lifting rod is a hollow rod, a wiring hole 3 is radially opened on the upper part of the lifting rod, and the bottom of the lifting rod is fixed with the hoisting measuring equipment through the mounting flange 7; the cable passed through the wiring hole penetrates the lifting rod and the mounting flange, and is electrically connected to the measuring equipment.

[0021] In order to more clearly illustrate the specific implementation mode of the present invention, an embodiment is provided below:

[0022] The functions of the components of the moon pool lifting device for an unmanned survey boat of the present invention are as follows:

[0023] 1. The electronically controlled hydraulic station can realize the supply of hydraulic oil in the unmanned control hydraulic station system through serial port communication, and can provide a maximum of 6L / min of hydraulic oil to the cylinder.

[0024] 2. The hydraulic telescopic rod drives the moon pool lifting device up and down through the hydraulic pressure of the electronically controlled hydraulic station.

[0025] 3. Wiring holes are used for routing cables and information lines of measuring load equipment.

[0026] 4. Lifting rod: used to connect the load measuring equipment. It can move the measuring equipment along with the extension and retraction of the hydraulic telescopic rod.

[0027] 5. Mounting frame, used to install the lifting rod and fix the lifting rod structure; used to connect the moon pool device and the bottom of the unmanned boat.

[0028] 6. The mounting flange is used to install various load measuring devices. Flanges of different sizes can be installed on the moon pool device through transition pieces.

[0029] The moon pool lifting device of the present invention is connected to the hull of the unmanned measurement boat. A pipe for installing the lifting rod is designed in the middle of the mounting frame. Sealing sleeves are installed at both ends of the pipe to facilitate the movement of the lifting rod. The flange at the bottom of the lifting rod is connected and fixed to the flange of the load equipment. The signal line and power line of the load equipment extend to the inside of the boat through the upper and lower wiring holes of the lifting rod. Finally, the moon pool lifting platform drives the load equipment installed at the bottom of the lifting rod to achieve lifting movement through the movement of the telescopic rod of the hydraulic cylinder

[0030] The hydraulic telescopic rod has a stroke of 200mm and can drive the equipment to a height of 200mm. When the load equipment does not need to work, the hydraulic telescopic rod is extended to drive the load equipment to rise to the specified position. When the load equipment needs to work, the hydraulic telescopic rod is extended to drive the load equipment to descend to the specified position for work. The descent of the load equipment can reduce the impact of the bubbles on the bottom of the boat on the work of the equipment. The load lifting status is shown in Figure 2 .

[0031] The performance parameters of each component of the moon pool lifting device for an unmanned survey boat of the present invention are as follows:

[0032] 1. Power requirement: 24V 50A;

[0033] 2. Hydraulic pump station power: 800w; Protection level: IP56;

[0034] 3. System load: 50A;

[0035] 4. Maximum working pressure of the system: 12MPa;

[0036] 5. System control: local operation / remote control dual mode;

[0037] 6. Dimensions: 850x350;

[0038] 7. Material: carbon steel, stainless steel, butadiene rubber, etc.

[0039] 8. Weight: 155kg;

[0040] 9. Cylinder diameter: 180mm;

[0041] 10. Displacement stroke: 250±2mm;

[0042] 11. Stepping speed V: V ≥ 0.2m / min;

[0043] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. A moon pool lifting device for an unmanned survey boat, characterized in that: The moon pool lifting device penetrates and is sealed and fixed at the bottom of the unmanned boat's hull, and the moon pool lifting device includes a mounting frame and a lifting rod; the top of the mounting frame is located inside the hull of the unmanned boat, a sealing plate is fixedly provided in the middle of the mounting frame, and the bottom of the mounting frame extends into the water body and is fixedly connected to a sealing sleeve; the lifting rod axially slides through the sealing sleeve, and the bottom of the lifting rod is fixedly connected to the measuring equipment.

2. The moon pool lifting device for an unmanned survey boat according to claim 1, characterized in that: An electric-controlled hydraulic station is vertically fixed on the top of the mounting frame, and a power output end of the electric-controlled hydraulic station is vertically telescopically connected with a hydraulic telescopic rod; the bottom end of the hydraulic telescopic rod is coaxially fixed to the top end of the lifting rod.

3. The moon pool lifting device for an unmanned survey boat according to claim 1, characterized in that: The lifting rod is a hollow rod, and a wiring hole is radially opened on the upper part of the lifting rod. The bottom of the lifting rod is fixed with a hoisting measuring device through a mounting flange; the cable passed through the wiring hole penetrates the lifting rod and the mounting flange and is electrically connected to the measuring device.

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