CN219192504U

CN219192504U - Quick transfer device of marine vessel

Info

Publication number: CN219192504U
Application number: CN202320444880.6U
Authority: CN
Inventors: 巩庆涛; 孙忠玉; 何士龙; 李康强; 滕瑶
Original assignee: Ludong University
Current assignee: Ludong University
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-06-16
Anticipated expiration: 2033-03-10

Abstract

The utility model provides a quick transfer device for a marine ship, which comprises a fixed ladder, a rotary cantilever ladder, an extension ladder and a ladder stand, wherein the fixed ladder is arranged on the fixed ladder; the fixed ladder is obliquely arranged on the ladder stand; one end of the rotary cantilever ladder is rotationally connected with the ladder table through a first connecting piece and is butted with one end of the top of the fixed ladder to form a walkway; the rotary cantilever ladder can reciprocally rotate along the Y-axis direction of the horizontal plane along with the first connecting piece; the other end of the rotary cantilever ladder is rotationally connected with one end of the telescopic ladder through a second connecting piece; the telescopic ladder can reciprocally rotate along the Z-axis direction along with the second connecting piece; the other end of the telescopic ladder is provided with a third connecting piece; the third connecting piece can be connected to the berthing ship and can rotate back and forth along the X-axis direction along with the berthing ship; the scheme provided by the utility model can be used for rapid and safe transportation of personnel for launching the carrier rocket at sea, and solves the challenges and requirements of complex environment, safety, reliability, rapid evacuation and the like of the launching of the carrier rocket at sea.

Description

Quick transfer device of marine vessel

Technical Field

The utility model belongs to the technical field of marine vessel rapid transfer devices, and particularly relates to a marine vessel rapid transfer device.

Background

When the carrier rocket is launched at sea and enters the working condition to be launched, all personnel on the marine launching support ship need to be evacuated to the marine launching support guarantee ship, the time for evacuating the launching window is short (usually within 30 minutes), all the personnel need to be evacuated to the launching support ship quickly and safely, the transporting device is quickly retracted and the personnel leave the launching ship to the outside of a safe distance, the marine launching faces a complex environment, particularly under severe sea conditions, the launching support ship and the supporting ship have self-pitching movement and large amplitude, and meanwhile, relatively complex movement such as complex changes of collision, heave, opposite direction pitching and the like exist between the two ships, so that the safety and quick evacuation of relevant personnel on the launching ship are guaranteed, the quick retraction function is also required, the evacuation time is guaranteed, and the requirements of quick safe transfer of the personnel are difficult to guarantee in the modes of a gangway, such as a ship carried by the conventional ship and a common land ship.

In the prior art, chinese patent CN109367714A discloses a boarding ladder, which aims at the problem of large drop between a deck and a wharf in the process of personnel going up and down in the process of berthing the ship at the wharf, and only aims at the problem of fixing the wharf and the problem of the height of the ship at the wharf;

in the prior art, chinese patent CN114802607 a discloses a high-safety self-adaptive boarding ladder and a control method, which also compensates for the boarding height and length installed on the shore, but compensates for both directions;

the scheme disclosed in the above patent cannot solve the challenges and requirements that under the complex marine launching environment, two vessels have own heave and roll motions and have larger amplitude, and under the complex relative motion condition between the two vessels, personnel are rapidly and safely evacuated, and the device itself needs to be rapidly retracted.

Based on the technical problem of rapid transfer between marine vessels, no relevant solution exists yet; there is therefore an urgent need to seek an effective solution to the above problems.

Disclosure of Invention

The utility model aims at overcoming the defects in the prior art, and provides a quick transfer device for a marine ship, which aims at solving the problem of quick transfer personnel among the existing marine ships.

The utility model provides a quick transfer device for a marine ship, which comprises a fixed ladder, a rotary cantilever ladder, an extension ladder and a ladder stand, wherein the fixed ladder is arranged on the fixed ladder; the ladder stand is arranged along the vertical direction and can be arranged on the deck of the launching ship; the fixed ladder is obliquely arranged on the ladder stand; one end of the rotary cantilever ladder is rotationally connected with the ladder table through a first connecting piece, and one end of the rotary cantilever ladder is butted with one end of the top of the fixed ladder to form a pavement; the rotary cantilever ladder can reciprocally rotate along the Y-axis direction of the horizontal plane along with the first connecting piece; the other end of the rotary cantilever ladder is rotationally connected with one end of the telescopic ladder through a second connecting piece; the telescopic ladder can reciprocally rotate along the Z-axis direction along with the second connecting piece; the other end of the telescopic ladder is provided with a third connecting piece; the third connecting piece can be connected to the berthing ship, and the third connecting piece can rotate back and forth along the X-axis direction along with the berthing ship.

Further, the top of the landing is provided with a pillar along the vertical direction; the rotary cantilever ladder can be rotatably arranged on the ladder stand around the X axis of the horizontal plane; the support column is provided with a first driving mechanism; the first driving mechanism is connected with the other end of the rotary cantilever ladder through a diagonal steel wire and can drive the rotary cantilever ladder to rotate around the X axis of the horizontal plane through driving the diagonal steel wire, so that retraction and extension are realized.

Further, a second driving mechanism is arranged on the rotary cantilever ladder and is connected with the telescopic ladder through a telescopic rod; the second driving mechanism can drive the telescopic ladder to move in a telescopic way along the Y-axis direction and the Z-axis direction by driving the telescopic rod.

Further, the first driving mechanism is a winch, an electric hoist or a chain block; the first driving mechanism is internally provided with a remote control system, and the remote control system can remotely control the start and stop of the winch or the electric hoist.

Further, a pulley is arranged on the support column, one end of the inclined steel wire is connected with the first driving mechanism, and the other end of the inclined steel wire bypasses the pulley and is connected with the other end of the rotary cantilever ladder.

Further, the telescopic rod is an electric push rod or a pneumatic rod; the telescopic rod is arranged in the supporting bottom plate of the second driving mechanism; the upper end of the telescopic ladder is movably connected with the upper end of the supporting bottom plate through an end connecting rod.

Further, the third connecting piece is an electromagnet; the berthing ship can freely rotate, and the upper end surface of the berthing ship is provided with a spherical hinge; the electromagnet can be connected with the spherical hinge after being electrified and can rotate reciprocally along the X-axis direction.

Further, the first connecting piece comprises an X-axis rotating shaft, a slewing mechanism and a spherical bushing; the spherical bushing is arranged in a rotation hole of the rotation mechanism and can rotate in the rotation hole within the range of 1-5 degrees along the Y-axis direction; the rotary mechanism passes through one end of the X-axis rotating shaft and is locked at one end of the X-axis rotating shaft through the positioning sleeve; the width of the X-axis rotating shaft is the same as that of the fixed ladder, and the X-axis rotating shaft is arranged on the ladder table along the X-axis direction; two sides of one end of the rotary cantilever ladder are respectively connected with spherical bushings at two ends of the X-axis rotating shaft in a rotating way and can rotate along with the spherical bushings in an angle range from an angle to an angle along the Y-axis direction; the two ends of the rotary cantilever ladder can rotate around the X axis.

Further, the second connecting piece is a U-shaped connecting piece; a first switching hole is formed in the middle of the second connecting piece, and second switching holes are formed in two ends of the second connecting piece respectively; the other end of the rotary cantilever ladder is rotationally connected with the first connecting hole, so that the rotary cantilever ladder can reciprocally rotate along the Z-axis direction; one end of the telescopic ladder is also rotationally connected with the second switching hole and can reciprocally rotate along the X-axis direction.

Further, the top of the fixed ladder is fixed on the top of the ladder stand and is butted with one end of the rotary cantilever ladder to form a walkway; the bottom of the fixed ladder and the bottom of the ladder table are propped against the deck of the launching ship; armrests are respectively arranged on two sides of the fixed ladder; the middle position of the rotary cantilever ladder is provided with a steel plate channel, and two sides of the rotary cantilever ladder are respectively provided with handrails.

The quick transfer device for the marine ship has the following beneficial effects:

the quick transfer device for the marine ship provided by the utility model is formed by adopting a three-section ladder design, and the connection parts are combined in different directions through the connection modes of several mechanisms, so that the degrees of freedom in different directions at the connection nodes are released, the flexible compensation of the marine rocket launching ship and the berthing ship under the action of wind and wave currents is realized, and the six degrees of freedom compensation of translation and rotation in three directions of XYZ are realized;

secondly, the marine vessel rapid transfer device provided by the utility model ensures the stability of equipment by adopting multiple designs; through the combination of the winch or the electric hoist and the chain hoist, the quick retraction and the retraction of the transfer device are realized, the retraction and the retraction of the transfer device can be realized through the chain hoist by manpower under the condition of power failure or damage of the winch or the electric hoist, the design is ensured multiple times, and the reliability of equipment is improved;

thirdly, the quick transfer device for the marine ship provided by the utility model is not easy to cause structural damage between the quick transfer device and the ship body under the condition that the mutual motion between two ships exceeds the design limit compensation scale of the quick transfer device under extremely severe sea conditions; the electromagnet with adjustable magnetic attraction force is adopted, when the stress value is designed in an overrun mode, the electromagnet can be automatically powered off for protection, if the automatic power off protection fails, when the dragging force exceeds the limit value, the electromagnet can be separated from a berthing ship, and double guarantee is achieved.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

The utility model will be further described with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of a marine vessel rapid transit apparatus according to the present utility model;

FIG. 2 is a schematic view showing a use state of the rapid transit device for a marine vessel according to the present utility model;

FIG. 3 is a schematic view of a first connector according to the present utility model;

fig. 4 is a schematic structural view of a second connector according to the present utility model.

In the figure: 1. a fixed ladder; 2. a rotary cantilever ladder; 3. a telescopic ladder; 4. a landing; 5. a support post; 6. a cable-stayed steel wire; 7. an armrest; 8. berthing the ship by leaning on; 9. a launch boat; 10. a telescopic rod; 11. a first connector; 12. a second connector; 13. an electromagnet; 14. spherical hinge; 15. a water surface; 16. a first transfer hole; 17. a second transfer hole; 18. an X-axis rotating shaft; 19. a slewing mechanism; 20. a spherical bushing; 21. and (5) positioning the sleeve.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1 to 4, the present utility model provides a rapid transfer device for a marine vessel, the transfer device comprising a fixed ladder 1, a swivel cantilever ladder 2, a telescopic ladder 3, and a landing 4; wherein the landing 4 is arranged in a vertical direction and can be arranged on the deck of the launch vessel 9; further, the fixed ladder 1 is obliquely arranged on the landing 4 and can be arranged on the deck of the launching boat 9 together with the landing 4, thereby realizing boarding; further, one end of the rotary cantilever ladder 2 is rotatably connected with the ladder stand 4 through a first connecting piece 11, and one end of the rotary cantilever ladder 2 is butted with one end of the top of the fixed ladder 1 to form a walkway; specifically, the revolving cantilever ladder 2 can reciprocally rotate along the Y-axis direction of the horizontal plane along the first connecting piece 11, and the Y-axis direction is along the length direction (i.e. the extending direction of the walkway) of the revolving cantilever ladder 2, and by designing the revolving cantilever ladder 2 to reciprocally rotate along the Y-axis direction of the horizontal plane along the first connecting piece 11, the buffering in the Y-axis direction is mainly realized for compensating the relative motion of the berthing ship and the launching ship under the action of wind, wave and surge; further, the other end of the rotary cantilever ladder 2 is rotationally connected with one end of the telescopic ladder 3 through the second connecting piece 12, and the telescopic ladder 3 can reciprocally rotate along the Z-axis direction along with the second connecting piece 12, so that the telescopic and throwing are realized, the relative movement of a berthing ship and a launching ship under the action of wind, waves and surging can be compensated, the buffer in the Z-axis direction is realized, and the Z-axis direction is the vertical direction; further, the other end of the telescopic ladder 3 is provided with a third connecting piece; the third connecting piece can be connected to the berthing ship 8, and can rotate back and forth along the X-axis direction along the berthing ship, wherein the X-axis direction is the width direction of the rotary cantilever ladder 2, and the buffering along the X-axis direction is realized by designing the third connecting piece to rotate back and forth along the X-axis direction along the berthing ship, mainly for compensating the relative movement of the berthing ship and the launching ship under the action of wind, wave and surge; the rapid transfer device for the marine ships can be used for rapid and safe transfer of personnel for launching the carrier rocket at sea, solves the challenges and requirements of complex environment, safety, reliability, rapid evacuation and the like of the launching of the carrier rocket at sea, realizes the transfer device for the two ships with free movement respectively and relative movement simultaneously, and solves the problems of the degree of freedom, heave, safe structure and the like of the transfer device.

Preferably, in combination with the above scheme, as shown in fig. 1 to 2, the top of the landing 4 is provided with a pillar 5 along the vertical direction, the pillar 5 is 3-4 meters higher than the top surface of the landing 4, and is used as a stay cable fulcrum of the revolving cantilever ladder, and the landing far away from the broadside end is directly fixed on the deck surface; further, the rotary cantilever ladder 2 can be rotatably arranged on the ladder stand 4 around the X axis of the horizontal plane, so that the rotary cantilever ladder can realize rotary lifting around the X axis of the ladder stand 4; further, a first driving mechanism is arranged on the support column 5; specifically, the first driving mechanism is connected with the other end of the rotary cantilever ladder 2 through the inclined steel wire 6, and can drive the rotary cantilever ladder 2 to rotate around the X axis of the horizontal plane through driving the inclined steel wire 6, so that retraction and release are realized.

Preferably, in combination with the above-mentioned scheme, as shown in fig. 1 to 2, a second driving mechanism is arranged on the revolving cantilever ladder 2, and the second driving mechanism is connected with the telescopic ladder 3 through a telescopic rod 10; the second driving mechanism can drive the telescopic ladder 3 to move telescopically in the Y-axis direction and the Z-axis direction by driving the telescopic rod 10.

Preferably, in combination with the above-mentioned scheme, as shown in fig. 1 to 2, the first driving mechanism is a hoist or an electric hoist or a chain block; a remote control system is arranged in the first driving mechanism, and the remote control system can remotely control the start and stop of the winch or the electric hoist; by adopting the above design scheme, the electric hoist or the electric hoist is added with the chain hoist, the function is to pull the inclined pull steel wire 6 to realize the retraction of the rotary cantilever ladder 2, and simultaneously, the remote control loading is arranged, after people withdraw, the electric hoist or the electric hoist can be remotely controlled, the steel wire is retracted, and meanwhile, the retraction of the rotary cantilever ladder 2 can be realized by manually using the chain hoist under the condition of power failure.

Preferably, in combination with the above-described scheme, as shown in fig. 1 to 2, a pulley is provided on the pillar 5, one end of the diagonal wire 6 is connected with the first driving mechanism, and the other end of the diagonal wire 6 bypasses the pulley and is connected with the other end of the revolving cantilever ladder 2.

Preferably, in combination with the above-described solution, as shown in fig. 1 to 2, the telescopic rod 10 is an electric push rod or a pneumatic rod; the telescopic rod 10 is arranged in the supporting bottom plate of the second driving mechanism; the upper end of the telescopic ladder 3 is movably connected with the upper end of the supporting bottom plate through an end connecting rod; specifically, the lower end of the supporting bottom plate is connected with a push-pull bracket hinged with the end part of the telescopic ladder, and the upper end of the telescopic ladder is connected with the upper end of the supporting bottom plate through an end connecting rod, so that after the lower end of the telescopic ladder approaches to a berthing ship 8, the electric push rod can automatically drive the telescopic ladder 3 to stretch through the push-pull bracket, the electric push rod can also automatically drive the telescopic ladder to shrink into the supporting bottom plate after the operation is finished, the volume of the telescopic ladder 3 after the telescopic ladder is shrunk into the supporting bottom plate is small, and the telescopic movement in the YZ direction can be realized so as to compensate the relative movement of the berthing ship and a launching ship under the actions of wind and wave; further, the second connecting piece is connected with the telescopic ladder through double vertical rotating shafts with the same width, and the height rotation in the Z direction can be achieved.

Preferably, in combination with the above solution, as shown in fig. 1 to 2, the third connecting element is an electromagnet 13; the berthing ship 8 can freely rotate, and the upper end surface of the berthing ship 8 is provided with a spherical hinge 14; specifically, the electromagnet 13 can be connected with the spherical hinge 14 after being electrified, and can reciprocally rotate along the X-axis direction; the electromagnet 13 is used for connecting the berthing ship and the telescopic ladder, the magnetic force can be adaptively adjusted according to the berthing ship size and the weather condition during berthing, the quick connection can be realized, the situation that when the relative motion of the two ships exceeds a design value due to sudden increase of wind waves can be compensated, the electromagnet is controlled to realize automatic power failure, the hard connection is prevented from being structurally damaged, and the connecting component can be forcibly disconnected after the magnetic attraction maximum value is exceeded; meanwhile, in order to ensure safety, manual remote control unlocking is arranged, and when a worker judges that potential safety hazards exist, the automatic control mechanism does not automatically unlock, so that electromagnetic force can be relieved manually and remotely, and safety is ensured; by adopting the scheme, the third connecting piece is the electromagnet 13 connected with the spherical hinge 14 on the upper end surface of the berthing ship 8, so that three directions of rotation of XYZ can be realized, the expansion and contraction of the telescopic ladder and the movement of the second connecting piece can be compensated, and the compensation (translation and rotation of XYZ) of six degrees of freedom of the berthing ship and the launching ship under severe sea conditions can be realized.

Preferably, in combination with the above, as shown in fig. 1 to 2, the first connecting member 11 includes an X-axis rotation shaft 18, a swing mechanism 19, and a spherical bushing 20; the spherical bushing 20 is arranged in the rotation hole of the rotation mechanism 19 and can rotate in the rotation hole along the Y-axis direction within the range of 1-5 degrees, so that the stress concentration can be reduced by design; the slewing mechanism 19 passes through one end of the X-axis rotating shaft 18 and is locked at one end of the X-axis rotating shaft 18 through the positioning sleeve 21; the width of the X-axis rotating shaft 18 is the same as that of the fixed ladder 1, and the X-axis rotating shaft 18 is arranged on the ladder stand 4 along the X-axis direction; two sides of one end of the rotary cantilever ladder 2 are respectively and rotatably connected with spherical bushings 20 at two ends of the X-axis rotating shaft 18, and can rotate in a range of 1-5 degrees along the Y-axis direction along with the spherical bushings 20; both ends of the pivoting cantilever ladder 2 can rotate around the X-axis rotation shaft 18.

Preferably, in combination with the above, as shown in fig. 1 to 2, the second connecting member 12 is a U-shaped connecting member; a first transfer hole 16 is arranged in the middle of the second connecting piece 12, and second transfer holes 17 are respectively arranged at two ends of the second connecting piece 12; the other end of the rotary cantilever ladder 2 is rotationally connected with the first transfer hole 16, so that the rotary cantilever ladder can reciprocally rotate along the Z-axis direction; one end of the extension ladder 3 is also rotatably connected with the second transfer hole 17 and can reciprocally rotate along the X-axis direction.

Preferably, in combination with the above-mentioned scheme, as shown in fig. 1 to 2, the top of the fixed ladder 1 is fixed on the top of the landing 4, and is butted with one end of the revolving cantilever ladder 2 to form a walkway; the bottom of the fixed ladder 1 and the bottom of the ladder table 4 are abutted on the deck of the launching ship 9; armrests 7 are respectively arranged on two sides of the fixed ladder 1; the middle position of the rotary cantilever ladder 2 is provided with a steel plate channel, and two sides of the rotary cantilever ladder 2 are respectively provided with handrails.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the disclosed technology. Therefore, any modification, equivalent variation and modification of the above embodiments according to the technology of the present utility model fall within the protection scope of the present utility model.

Claims

1. The quick transfer device for the marine vessel is characterized by comprising a fixed ladder (1), a rotary cantilever ladder (2), an extension ladder (3) and a ladder stand (4); the landing (4) is arranged in the vertical direction and can be arranged on the deck of the launching ship (9); the fixed ladder (1) is obliquely arranged on the ladder stand (4); one end of the rotary cantilever ladder (2) is rotationally connected with the ladder stand (4) through a first connecting piece (11), and one end of the rotary cantilever ladder (2) is in butt joint with one end of the top of the fixed ladder (1) to form a pavement; the rotary cantilever ladder (2) can reciprocally rotate along the Y-axis direction of the horizontal plane along with the first connecting piece (11); the other end of the rotary cantilever ladder (2) is rotationally connected with one end of the telescopic ladder (3) through a second connecting piece (12); the telescopic ladder (3) can rotate reciprocally along the Z-axis direction along with the second connecting piece (12); a third connecting piece is arranged at the other end of the telescopic ladder (3); the third connecting piece can be connected to a berthing ship (8), and can rotate back and forth along with the berthing ship along the X-axis direction.

2. The quick transfer device of a marine vessel according to claim 1, characterized in that the top of the landing (4) is provided with a pillar (5) in vertical direction; the rotary cantilever ladder (2) can be rotatably arranged on the ladder stand (4) around the X axis of a horizontal plane; the support column (5) is provided with a first driving mechanism; the first driving mechanism is connected with the other end of the rotary cantilever ladder (2) through a diagonal steel wire (6), and can drive the rotary cantilever ladder (2) to rotate around the X axis of the horizontal plane through driving the diagonal steel wire (6), so that retraction and release are realized.

3. The marine vessel rapid transit device according to claim 1, wherein a second driving mechanism is arranged on the rotary cantilever ladder (2), and the second driving mechanism is connected with the telescopic ladder (3) through a telescopic rod (10); the second driving mechanism can drive the telescopic ladder (3) to move in a telescopic way along the Y-axis direction and the Z-axis direction by driving the telescopic rod (10).

4. The marine vessel quick transfer device of claim 2, wherein the first drive mechanism is a winch or an electric or chain block; the first driving mechanism is internally provided with a remote control system, and the remote control system can remotely control the start and stop of the winch or the electric hoist.

5. The rapid transfer device for a marine vessel according to claim 2, wherein a pulley is arranged on the strut (5), one end of the diagonal wire (6) is connected with the first driving mechanism, and the other end of the diagonal wire (6) bypasses the pulley and is connected with the other end of the rotary cantilever ladder (2).

6. A marine vessel quick transfer device according to claim 3, wherein the telescopic rod (10) is an electric push rod or a pneumatic rod; the telescopic rod (10) is arranged in a supporting bottom plate of the second driving mechanism;

the upper end of the telescopic ladder (3) is movably connected with the upper end of the supporting bottom plate through an end connecting rod.

7. Marine vessel quick transfer device according to claim 1, wherein the third connection is an electromagnet (13); the berthing ship (8) can freely rotate, and a spherical hinge (14) is arranged on the upper end surface of the berthing ship (8); the electromagnet (13) can be connected with the spherical hinge (14) after being electrified and can rotate reciprocally along the X-axis direction.

8. Marine vessel quick transfer device according to claim 1, wherein the first connection (11) comprises an X-axis rotation shaft (18), a swivel mechanism (19) and a spherical bushing (20); the spherical bushing (20) is provided in a rotation hole of the rotation mechanism (19) and can be positioned at 1 DEG in the Y-axis direction in the rotation hole

To a rotation in the range of 5 °; the rotary mechanism (19) passes through one end of the X-axis rotating shaft (18) and is locked at one end of the X-axis rotating shaft (18) through a positioning sleeve (21); the width of the X-axis rotating shaft (18) is the same as that of the fixed ladder (1), and the X-axis rotating shaft (18) is arranged on the ladder stand (4) along the X-axis direction; two sides of one end of the rotary cantilever ladder (2) are respectively and rotatably connected with spherical bushings (20) at two ends of the X-axis rotating shaft (18), and can rotate along with the spherical bushings (20) in a range of 1-5 degrees along the Y-axis direction; the two ends of the rotary cantilever ladder (2) can rotate around the X-axis rotating shaft (18).

9. Marine vessel quick transfer device according to claim 1, wherein the second connection (12) is a U-shaped connection; a first switching hole (16) is formed in the middle of the second connecting piece (12), and second switching holes (17) are formed in two ends of the second connecting piece (12) respectively; the other end of the rotary cantilever ladder (2) is rotationally connected with the first transfer hole (16), so that the rotary cantilever ladder can reciprocally rotate along the Z-axis direction; one end of the telescopic ladder (3) is also rotationally connected with the second switching hole (17) and can reciprocally rotate along the X-axis direction.

10. The rapid transit device of a marine vessel according to claim 1, characterized in that the top of the fixed ladder (1) is fixed to the top of the landing (4) and forms a walkway in butt joint with one end of the revolving cantilever ladder (2); the bottom of the fixed ladder (1) and the bottom of the ladder table (4) are abutted to the deck of the launching ship (9); armrests (7) are respectively arranged on two sides of the fixed ladder (1); the middle position of the rotary cantilever ladder (2) is provided with a steel plate channel, and two sides of the rotary cantilever ladder (2) are respectively provided with handrails (7).