CN115649361A - Ocean engineering and scientific investigation integrated operation ship type - Google Patents

Ocean engineering and scientific investigation integrated operation ship type Download PDF

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Publication number
CN115649361A
CN115649361A CN202211357691.1A CN202211357691A CN115649361A CN 115649361 A CN115649361 A CN 115649361A CN 202211357691 A CN202211357691 A CN 202211357691A CN 115649361 A CN115649361 A CN 115649361A
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CN
China
Prior art keywords
cable
crosspiece
ocean engineering
connecting rod
mooring rope
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CN202211357691.1A
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Chinese (zh)
Inventor
陈锐
邓爱民
喻欣
李德智
孙荣
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China Ship Development and Design Centre
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China Ship Development and Design Centre
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Priority to CN202211357691.1A priority Critical patent/CN115649361A/en
Publication of CN115649361A publication Critical patent/CN115649361A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a ship type integrating ocean engineering and scientific investigation into operation, wherein a crosspiece mechanism, an auxiliary lifting point, a cable retracting device, a hanging basket type acoustic cabin hanging basket type acoustic equipment installation interface and a carrying frame are arranged on a ship body. The auxiliary hoisting point is used for scientific investigation operation, and the main hoisting point is used for ocean engineering operation; according to the using condition, the crosspiece mechanism is switched between the unfolding state and the accommodating state, and the main lifting point and the auxiliary lifting point are switched to be used. The mooring rope winding and unwinding device is used for winding and unwinding, storing and squeezing water of a long nylon mooring rope, and meets the use requirements of the super-long mooring rope for ocean engineering operation. According to the requirements of scientific investigation tasks, proper acoustic equipment is carried on the outer wall of the ship body through the mounting interface and the carrying frame. The buoy collecting and releasing and the marine investigation operation are integrated on the same ship, the technical bias that two operations need to be realized by different types of ships is overcome, the functions of marine engineering and scientific investigation can be integrated, and the comprehensive marine environment monitoring and guaranteeing capability is stronger.

Description

Ocean engineering and scientific investigation integrated operation ship type
Technical Field
The invention relates to the field of design of marine engineering and scientific research ships, in particular to a marine engineering and scientific research integrated operation ship type.
Background
An ocean engineering ship is a ship which carries engineering equipment with different purposes. The design of the structure of the marine engineering ship is related to the carried engineering equipment. The marine survey vessel is used for marine hydrometeorology survey, ecological environment survey, submarine topography survey, marine geology sampling survey, marine geophysical survey and the like.
The two types of ships are different in the carried operation equipment objects, and are similar to the ships in that deck operation supporting equipment such as a gantry crane, a winch and a hydraulic crane is arranged. Depending on the work target, the form of the supporting equipment to be carried is different, and two work requirements cannot be met.
Although the gantry crane is adopted for the marine survey equipment and the marine engineering operation mostly, the gantry crane used in the marine engineering operation has a very high lifting height, and the gantry crane with the very high lifting height is not suitable for the lifting operation of the marine survey equipment, so that the problem that the large gantry crane is matched with the scientific survey equipment for retraction and extension needs to be solved. In addition, the ocean engineering operation needs to solve the problems of reeling, storing and squeezing water of the 6000m deep sea cable. The marine survey operation also requires the installation of acoustic equipment at the bottom of the vessel, and the appendages required to install the acoustic equipment necessarily affect the overall performance of the vessel. There is a need to address the compatibility issues of mounting acoustic equipment, and to minimize the impact of the acoustic capsule appendage on overall performance.
Disclosure of Invention
Aiming at the defects in the prior art, the integrated operation ship type for ocean engineering and scientific investigation is provided, the buoy is folded and unfolded and the ocean investigation operation is integrated on the same ship, the technical bias that two operations need to be realized by different types of ships is overcome, the functions of ocean engineering and scientific investigation can be integrated, and the integrated operation ship type has stronger comprehensive ocean environment monitoring and guaranteeing capability.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides an integrated operation ship type of oceanographic engineering and scientific investigation, includes that hull and gate-type hang, the gate-type hangs establishes the afterbody at the hull, its characterized in that: the lifting device also comprises a crosspiece mechanism, a main lifting point and an auxiliary lifting point, wherein the main lifting point is arranged in the middle of the top of the gantry crane; the crosspiece mechanism is arranged on the support columns of the gantry crane and positioned between the support columns on two sides of the gantry crane, the auxiliary hoisting point is arranged on the end head, close to the middle part of the gantry crane, of the crosspiece mechanism, and the crosspiece mechanism has a stretching state and a containing state; when the crosspiece mechanism is in the extension state, the auxiliary lifting points move to the middle part of the door-shaped hanger along with the crosspiece mechanism, and the auxiliary lifting points are suspended below the main lifting points.
According to the technical scheme, the crosspiece mechanism comprises a crosspiece rod, a first connecting rod, a second connecting rod and a telescopic executing piece, wherein the first connecting rod and the crosspiece rod are hinged with an upright post of the gantry crane, and the first connecting rod is positioned above the crosspiece rod; the other ends of the first connecting rod and the crosspiece rod are respectively hinged with the two ends of the second connecting rod; one end of the telescopic executing piece is hinged on the upright post of the gantry crane, and the other end of the telescopic executing piece is hinged on the first connecting rod; the telescopic executing part controls an included angle between the first connecting rod and the door-shaped hanging upright post through telescopic motion, so that the crosspiece mechanism is controlled to be switched between an extended state and a contracted state.
According to the technical scheme, when the crosspiece rod runs to the horizontal state, the first connecting rod and the second connecting rod are located on the same straight line.
According to the technical scheme, the telescopic executing piece adopts an oil cylinder or an air cylinder.
According to the technical scheme, the ship body is further provided with a cable winding and unwinding device, the cable winding and unwinding device comprises a first tensioning device, a rope pressing device, a second tensioning device, annular cable guides, a cable arranging device and a cable storage place which are sequentially arranged along the direction of a cable, the first tensioning device, the rope pressing device and the second tensioning device are sequentially and adjacently arranged on the deck, the annular cable guides are arranged between the second tensioning device and a cable storage warehouse on the ship body, the last annular cable guide is located at the top of the cable storage warehouse, the cable arranging device is arranged on the lower portion of the last annular cable guide, the cable storage place is arranged on a bottom plate of the cable storage warehouse at the bottom of the cable arranging device, and the cable is annularly wound on the cable storage place under the action of the cable arranging device.
According to the technical scheme, the cable is always in a stretching state among the first tensioning device, the rope pressing device and the second tensioning device.
According to the technical scheme, a door-shaped frame is arranged on the floor of the cable storage warehouse, and the last annular cable guider is arranged in the middle of the top of the door-shaped frame; the cable storage place is an annular belt structure consisting of a plurality of upright posts, the annular belt structure is divided into an inner ring and an outer ring, and the cable is wound between the inner ring and the outer ring under the action of the cable arrangement device.
According to the technical scheme, the annular structure adopts a square belt structure or a circular belt structure.
According to the technical scheme, the cable arrangement device comprises a travelling guide rail, a cart travelling mechanism, a trolley travelling mechanism and a cable feeder, wherein the travelling guide rail is arranged on the floor at two sides of a cable storage position; the cart travelling mechanisms are arranged on the travelling guide rails in a sliding connection manner and move back and forth on the travelling guide rails; a first guide rail is arranged on the cart travelling mechanism, and the first guide rail and the travelling guide rail are vertically arranged; the trolley travelling mechanism is arranged on the cart travelling mechanism in a sliding connection mode and reciprocates on the first guide rail; the rope feeder is fixedly arranged on the trolley travelling mechanism; under the action of the cart travelling mechanism and the trolley travelling mechanism, the rope feeder moves in the area above the cable storage place.
According to the technical scheme, a hanging basket type acoustic cabin is arranged at the bottom of a ship body, and a detachable hanging basket type acoustic equipment mounting interface and a carrying frame are arranged on the side wall of the ship body of the hanging basket type acoustic cabin; according to the requirements of scientific investigation tasks, proper acoustic equipment is carried on the outer wall of the ship body through the mounting interface and the carrying frame.
The invention has the following beneficial effects:
1. a crosspiece mechanism is arranged on an upright post of the gantry crane, and an auxiliary hoisting point is positioned on the crosspiece mechanism and moves along with the crosspiece mechanism; the main hoisting point is positioned in the middle of the top of the gantry crane. The auxiliary hoisting point is used for scientific investigation operation, and the main hoisting point is used for ocean engineering operation; according to the using condition, the crosspiece mechanism is switched between the unfolding state and the accommodating state, and the main lifting point and the auxiliary lifting point are switched to be used, so that ocean engineering and scientific investigation operation are organically integrated, and the two operation capabilities are achieved.
2. A cable winding and unwinding device is arranged in the cabin and is used for winding, unwinding, storing and squeezing out moisture of the long nylon cable; the first tensioning device and the second tensioning device realize the water squeezing operation of the mooring rope; the annular cable guider guides the cable and guides the cable into the guide storage cabin; the walking guide rail, the cart walking mechanism and the trolley walking mechanism in the storage bin are matched for use, so that the rope feeder fixed on the trolley walking mechanism performs 'return-shaped' movement above the cable storage position, and the cables are neatly stored in the cable storage position; the operation of reeling and unreeling the mooring ropes is realized by changing the running directions of the running guide rails, the cart running mechanisms and the trolley running mechanisms.
3. The bottom of the ship body is provided with a hanging basket type acoustic cabin, and the side wall of the ship body of the hanging basket type acoustic cabin is provided with a detachable hanging basket type acoustic equipment installation interface and a carrying frame; according to the requirements of scientific investigation tasks, proper acoustic equipment is carried on the outer wall of the ship body through the mounting interface and the carrying frame.
Drawings
FIG. 1 is a schematic diagram of a mechanism for providing a rail mechanism on a gantry crane according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a rail mechanism according to an embodiment of the present invention in a stowed state;
FIG. 3 is a schematic structural view of the rung mechanism in an extended state in accordance with an embodiment of the present invention;
FIG. 4 is a layout view of the upper deck portion of the cable retraction device in accordance with the present invention;
FIG. 5 is a layout view of the interior portion of the cable retraction device within the cable storage warehouse in accordance with the present invention;
FIG. 6 is a schematic structural view of a cable management apparatus according to an embodiment of the present invention;
fig. 7 is a first schematic operational diagram of a cable management apparatus according to an embodiment of the present invention;
FIG. 8 is a second schematic diagram of the operation of the cable management apparatus according to the embodiment of the present invention;
FIG. 9 is a third schematic diagram illustrating operation of a cable management apparatus according to an embodiment of the present invention;
in the figure, 1, a ship body; 1-1, deck; 2. a gantry crane; 2-1, a pillar; 3. a crosspiece mechanism; 3-1, a crosspiece rod; 3-2, a second connecting rod; 3-3, a first connecting rod; 3-4, a telescopic executing piece; 4. a main hoisting point; 5. an auxiliary hoisting point; 6. a first tensioning device; 7. a rope pressing device; 8. a second tensioning device; 9. an annular fairlead; 10-1, a traveling guide rail; 10-2, a cart travelling mechanism; 10-3, a trolley travelling mechanism; 10-4, a rope feeder; 11. a cable storage; 11-1, erecting a rod; 12. a gate frame; 13. a cable storage warehouse; 14. a cable; 15. a winch.
Detailed Description
The present invention will be described in detail below with reference to the drawings and examples.
Referring to fig. 1-2, the marine engineering and scientific investigation integrated operation ship type provided by the invention comprises a ship body 1 and a gantry crane 2, wherein the gantry crane is arranged at the tail part of the ship body. The lifting device also comprises a crosspiece mechanism 3, a main lifting point 4 and an auxiliary lifting point 5, wherein the main lifting point is arranged in the middle of the top of the gantry crane; the crosspiece mechanism is arranged on the support 2-1 of the gantry crane and positioned between the supports on the two sides of the gantry crane, the auxiliary lifting point is arranged on the end head, close to the middle part of the gantry crane, of the crosspiece mechanism, and the crosspiece mechanism has two states of unfolding and containing; when the crosspiece mechanism is in the extended state, the auxiliary lifting point moves to the middle part of the door-shaped hanger along with the crosspiece mechanism, and the auxiliary lifting point is suspended below the main lifting point.
Specifically, the crosspiece mechanism comprises a crosspiece rod 3-1, a first connecting rod 3-3, a second connecting rod 3-2 and a telescopic executing piece 3-4, wherein the first connecting rod and the crosspiece rod are hinged with an upright post of the gantry crane, and the first connecting rod is positioned above the crosspiece rod; the other ends of the first connecting rod and the crosspiece rod are respectively hinged with the two ends of the second connecting rod; one end of the telescopic executing part is hinged on the upright post of the gantry crane (in the embodiment of the figure, the hinged point of the telescopic executing part and the upright post of the gantry crane is positioned above the first connecting rod), and the other end of the telescopic executing part is hinged on the first connecting rod; the telescopic executing part controls an included angle between the first connecting rod and the door type hanging upright post through telescopic motion, so that the crosspiece mechanism is controlled to be switched between an extended state and a contracted state.
When ocean engineering operation is carried out, the crosspiece needs to be in a storage state, and engineering operation is not interfered. When scientific investigation work is carried out, the crosspieces are unfolded to carry out the work. The transverse rod mechanism performs the actions of storing and unfolding the crosspiece by the stretching of the oil cylinder. The oil cylinder is connected with the connecting rod through a hinge, the connecting rod is connected with one end of the crosspiece rod through a hinge, and the other ends of the crosspiece rod, the connecting rod and the oil cylinder are all connected to a support column of the portal crane. When the oil cylinder extends out, the connecting rod is stressed to rotate towards the gantry crane supporting column, and the connecting rod and the belt move towards the gantry crane supporting column together, so that the crosspiece rod is driven to rotate towards the gantry crane direction until the crosspiece rod is stored beside the gantry crane supporting column, and the storing action is finished. When the oil cylinder is contracted, the connecting rod is driven to move towards the direction deviating from the gantry crane pillar, and the connecting rod, the connecting rod and the crosspiece rod are unfolded under the combined action of gravity and the oil cylinder until the crosspiece rod is in a horizontal position, so that the unfolding action is completed.
Further, when the crosspiece rod runs to the horizontal state, the first connecting rod and the second connecting rod are located on the same straight line.
Preferably, the telescopic executing part adopts an oil cylinder or an air cylinder.
Specifically, the ship body is further provided with a cable winding and unwinding device, the cable winding and unwinding device comprises a first tensioning device 6, a rope pressing device 7, a second tensioning device 8, annular cable guides 9, a cable arranging device and a cable storage place 11 which are sequentially arranged along the direction of a cable 14, the first tensioning device, the rope pressing device and the second tensioning device are sequentially and adjacently arranged on the deck 1-1, a plurality of annular cable guides are arranged between the second tensioning device and a cable storage warehouse on the ship body (one or more annular cable guides can be arranged according to requirements), the last annular cable guide is located at the top of the cable storage warehouse, the cable arranging device is arranged at the lower part of the last annular cable guide, the cable storage place is arranged on a bottom plate of the cable storage warehouse at the bottom of the cable arranging device, and the cable is annularly wound on the cable storage place under the action of the cable arranging device.
Further, the cable is always in a stretching state among the first tensioning device, the rope pressing device and the second tensioning device.
Specifically, a door-shaped frame 12 is arranged on the floor of a cable storage warehouse 13, and the last annular cable guider is arranged in the middle of the top of the door-shaped frame; the cable storage place is an annular belt structure consisting of a plurality of upright posts 11-1, the annular belt structure is divided into an inner ring and an outer ring, and the cable is wound between the inner ring and the outer ring under the action of the cable arranging device.
Preferably, the annular structure adopts a square belt structure or a circular belt structure.
Specifically, the cable arrangement device comprises a traveling guide rail 10-1, a cart traveling mechanism 10-2, a trolley traveling mechanism 10-3 and a cable feeder 10-4, wherein the traveling guide rail is arranged on the floor at two sides of a cable storage place; the cart travelling mechanisms are arranged on the travelling guide rails in a sliding connection manner and move back and forth on the travelling guide rails; a first guide rail is arranged on the cart travelling mechanism, and the first guide rail and the travelling guide rail are vertically arranged; the trolley travelling mechanism is arranged on the cart travelling mechanism in a sliding connection mode and reciprocates on the first guide rail; the rope feeder is fixedly arranged on the trolley travelling mechanism; under the action of the cart travelling mechanism and the trolley travelling mechanism, the rope feeder moves in the area above the cable storage place.
After the mooring rope is fed into the storage cabin, the rope feeder is driven to move in a shape like a Chinese character 'hui' by the cart and the trolley travelling mechanism of the cable arrangement device, so that the mooring rope is placed at the storage position in a shape like a Chinese character 'hui', the first layer is placed from outside to inside to fully arrange the lowest part of the storage position of the mooring rope with one layer of mooring rope, then the first layer is placed from inside to outside to sequentially place the mooring rope upwards in turn until the storage of the mooring rope is finished. The mooring rope is arranged neatly, the storage space is saved, and the mooring rope is not easy to tie.
The rope is collected and stored: after the cable is guided by an external winch 15, the cable is drawn to a cable pressing device through a first tensioning device, and then the cable is fed into an annular cable guider on a deck to a cable feeder on a cable arranging device through a second tensioning device. The rope pressing device and the rope feeding device provide power for retracting and releasing the mooring rope, and the rope pressing device and the rope feeding device achieve speed synchronization through constant tension control. After the cable is taken up, the trolley travelling mechanism on the cable arrangement device drives the cable feeder to travel along the shape of the Chinese character 'hui', the cable feeder simultaneously stores cables, the cables are placed at the bottom in the storage cabin along the traveling direction, when the cables are placed to the end of the route of the traveling direction, namely the direction is placed, the cart starts to travel, the trolley and the cable feeder are driven to place the cables along the other direction of the shape of the Chinese character 'hui' until the stroke of the direction is finished, the trolley returns, the process is repeated until the direction is placed, the cart returns until the direction is placed, a 'hui' ring is formed, the first ring is placed from outside to inside, the cables are sequentially wound, the first layer is placed, and the second layer is sequentially moved from inside to outside. And finally, the cable is stored. The cable laying action is opposite to the above action.
Furthermore, a hanging basket type acoustic cabin is arranged at the bottom of the ship body, and a hanging basket type acoustic equipment mounting interface and a carrying frame which are detached are arranged on the side wall of the ship body of the hanging basket type acoustic cabin; according to the requirements of scientific investigation tasks, proper acoustic equipment is carried on the outer wall of the ship body through the mounting interface and the carrying frame.
After the transom mechanism is arranged on the gantry crane, ocean engineering and scientific investigation operation are organically integrated, and the gantry crane has two operation capabilities; a cable winding and unwinding device is arranged in the cabin and is used for winding, unwinding, storing and squeezing out moisture of the long nylon cable; a carrying space is designed at the underwater part of the ship body and the head part of the ship body, the scientific investigation function is considered, a detachable acoustic equipment accessory is arranged at the bottom of the ship, and the acoustic measurement operation can be carried out. The design meets the requirements of relevant research units on comprehensive guarantee capacity of marine environment monitoring.
The above are only preferred embodiments of the present invention, and it is needless to say that the scope of the present invention is not limited by these embodiments, and therefore, the present invention is still within the scope of the present invention by the equivalent changes made in the claims of the present invention.

Claims (10)

1. The utility model provides an integrated operation ship type of oceanographic engineering and scientific investigation, includes that hull and gate-type hang, the gate-type hangs establishes the afterbody at the hull, its characterized in that: the lifting device also comprises a crosspiece mechanism, a main lifting point and an auxiliary lifting point, wherein the main lifting point is arranged in the middle of the top of the gantry crane; the crosspiece mechanism is arranged on the support columns of the gantry crane and positioned between the support columns on two sides of the gantry crane, the auxiliary hoisting point is arranged on the end head, close to the middle part of the gantry crane, of the crosspiece mechanism, and the crosspiece mechanism has a stretching state and a containing state; when the crosspiece mechanism is in the extended state, the auxiliary lifting point moves to the middle part of the door-shaped hanger along with the crosspiece mechanism, and the auxiliary lifting point is suspended below the main lifting point.
2. The integrated ocean engineering and scientific research work ship according to claim 1, wherein: the crosspiece mechanism comprises a crosspiece rod, a first connecting rod, a second connecting rod and a telescopic executing piece, wherein the first connecting rod and the crosspiece rod are hinged with an upright post of the gantry crane, and the first connecting rod is positioned above the crosspiece rod; the other ends of the first connecting rod and the crosspiece rod are respectively hinged with the two ends of the second connecting rod; one end of the telescopic executing piece is hinged on the upright post of the gantry crane, and the other end of the telescopic executing piece is hinged on the first connecting rod; the telescopic executing part controls an included angle between the first connecting rod and the door type hanging upright post through telescopic motion, so that the crosspiece mechanism is controlled to be switched between an extended state and a contracted state.
3. The integrated ocean engineering and scientific research working ship type according to claim 2, wherein: specifically, when the crossbar is operated to the horizontal state, the first link and the second link are on the same straight line.
4. The integrated ocean engineering and scientific research work ship according to claim 2, wherein: the telescopic executing part adopts an oil cylinder or an air cylinder.
5. The integrated ocean engineering and scientific research work ship according to claim 1, wherein: the ship body is also provided with a mooring rope winding and unwinding device, the mooring rope winding and unwinding device comprises a first tensioning device, a rope pressing device, a second tensioning device, annular cable guides, a cable arrangement device and a mooring rope storage part which are sequentially arranged along the direction of a mooring rope, the first tensioning device, the rope pressing device and the second tensioning device are sequentially and adjacently arranged on the deck, a plurality of annular cable guides are arranged between the second tensioning device and the mooring rope storage warehouse on the ship body, the last annular cable guide is positioned at the top of the mooring rope storage warehouse, the cable arrangement device is arranged at the lower part of the last annular cable guide, the mooring rope storage part is arranged on a bottom plate of the mooring rope storage warehouse at the bottom of the cable arrangement device, and the mooring rope is annularly wound on the mooring rope storage part under the action of the cable arrangement device.
6. The integrated ocean engineering and scientific research work ship according to claim 5, wherein: the cable is always in a stretching state among the first tensioning device, the rope pressing device and the second tensioning device.
7. The integrated ocean engineering and scientific research work ship according to claim 5, wherein: a door-shaped frame is arranged on the floor of the cable storage warehouse, and the last annular cable guider is arranged in the middle of the top of the door-shaped frame; the cable storage place is an annular belt structure consisting of a plurality of upright posts, the annular belt structure is divided into an inner ring and an outer ring, and the cable is wound between the inner ring and the outer ring under the action of the cable arrangement device.
8. The integrated ocean engineering and scientific research work ship according to claim 7, wherein: the annular structure adopts a square belt structure or a circular belt structure.
9. The integrated ocean engineering and scientific research work ship according to claim 5, wherein: the cable arrangement device comprises a travelling guide rail, a cart travelling mechanism, a trolley travelling mechanism and a cable feeder, wherein the travelling guide rail is arranged on the floor at the two sides of the cable storage position; the cart travelling mechanism is arranged on the travelling guide rail in a sliding connection mode and moves back and forth on the travelling guide rail; a first guide rail is arranged on the cart travelling mechanism, and the first guide rail and the travelling guide rail are vertically arranged; the trolley travelling mechanism is arranged on the cart travelling mechanism in a sliding connection mode and reciprocates on the first guide rail; the rope feeder is fixedly arranged on the trolley travelling mechanism; under the action of the cart running mechanism and the trolley running mechanism, the rope feeder moves in the area above the cable storage place.
10. The integrated ocean engineering and scientific research working ship type according to claim 1, wherein: the bottom of the ship body is provided with a hanging basket type acoustic cabin, and the side wall of the ship body of the hanging basket type acoustic cabin is provided with a detachable hanging basket type acoustic equipment mounting interface and a carrying frame; according to the requirements of scientific investigation tasks, proper acoustic equipment is carried on the outer wall of the ship body through the mounting interface and the carrying frame.
CN202211357691.1A 2022-11-01 2022-11-01 Ocean engineering and scientific investigation integrated operation ship type Pending CN115649361A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211357691.1A CN115649361A (en) 2022-11-01 2022-11-01 Ocean engineering and scientific investigation integrated operation ship type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211357691.1A CN115649361A (en) 2022-11-01 2022-11-01 Ocean engineering and scientific investigation integrated operation ship type

Publications (1)

Publication Number Publication Date
CN115649361A true CN115649361A (en) 2023-01-31

Family

ID=84995862

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211357691.1A Pending CN115649361A (en) 2022-11-01 2022-11-01 Ocean engineering and scientific investigation integrated operation ship type

Country Status (1)

Country Link
CN (1) CN115649361A (en)

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