CN114776189B - Integrated gangway sealing device and working method - Google Patents

Abstract

The present invention relates to the technical field of ship outfitting equipment, and in particular to an integrated gangway sealing device and a working method. An integrated gangway sealing device is provided to solve the problems of integrated installation, opening and closing of a gangway and a gangway opening sealing device; a hinge structure for flipping a door panel of the sealing device is provided to avoid collision between the door panel and the door frame during flipping, and sealing measures are taken to ensure the water tightness of the opening after the door panel is closed; a working method for an integrated gangway sealing device is provided, and the action sequence of the device is controlled by a control module of the gangway sealing device to complete the automatic opening and closing of the gangway and the gangway opening sealing device.

Description

Integrated gangway ladder sealing device and working method

Technical Field

The invention relates to the technical field of ship outfitting equipment, in particular to an integrated gangway ladder sealing device and a working method.

Background

In the marine vessel operation process, a crew on the vessel often needs to transfer or move up and down the vessel, and a gangway is often used for connecting the vessel with the vessel or connecting the vessel with other fixed platforms. The conventional marine gangway ladder comprises a turnover gangway ladder, a translation gangway ladder, a telescopic gangway ladder and the like. After the gangway is retracted, the opening of the gangway side gangway of the closed cabin is required to be shielded, so that the gangway is prevented from being damaged by high wind and sea waves, the cabin is prevented from being exposed to the marine environment for a long time, and the corrosion of the gangway and facilities in the cabin caused by marine salt mist is reduced.

The existing gangway ladder sealing mode is complex in structure, large in occupied space resources and complex in operation flow.

Disclosure of Invention

The invention aims to solve the technical problems that: the integrated gangway ladder sealing device and the working method thereof are provided, the gangway ladder and the opening sealing device are integrated, the occupied space of equipment in a closed state is reduced, and the process of personnel operation and use is simplified.

In order to solve the technical problems, the invention adopts the following technical scheme: the integrated gangway ladder sealing device comprises a gate assembly 1, a small gate assembly 2, a gangway ladder assembly 3, a driving module 4, a sensor module 5 and a control module 6, wherein the gate assembly 1 comprises a gate plate 11 and a gate frame 17, one end of the gate plate 11 is hinged with a supporting frame 15 through a gate hinge 12, a gate push rod 13 is arranged between the gate plate 11 and the gate frame 17, one end of the gate push rod 13 is hinged with the end of the gate plate 11 far away from the supporting frame 15, the other end of the gate push rod is hinged on the supporting frame 15, the supporting frame 15 is arranged in a supporting frame fixing seat 16 through a sliding rail structure, the supporting frame fixing seat 16 is fixed on a ship deck, the gate push rod 13 rotates around the gate frame 17 by pushing the gate plate 11 to realize opening and closing actions of the gate plate 11, and the supporting frame 15 is driven by a translation push rod 14 to translate in a sliding rail of the supporting frame fixing seat 16;

The small door assembly 2 comprises a small door plate 21, and one end of the small door plate 21 is hinged with the large door plate 11 through a small door hinge 22; a small door push rod 23 is arranged between the small door plate 21 and the large door plate 11, one end of the small door push rod 23 is fixed with the middle part of the large door plate 11, and the other end is hinged with the middle part of the small door plate 21; the small door push rod 23 pushes the small door plate 21 to rotate around the large door plate 11 so as to realize the opening and closing actions of the small door plate 21;

The gangway ladder assembly 3 consists of a first-stage ladder 31, a second-stage ladder 32 and a gangway ladder push rod 33, wherein the first-stage ladder 31 is fixed with the small door plate 21, two ends of the gangway ladder push rod 33 are respectively hinged with the first-stage ladder 31 and the second-stage ladder 32, the first-stage ladder 31 and the second-stage ladder 32 are respectively provided with a sliding rail, and the second-stage ladder 32 is driven by the gangway ladder push rod 33 to slide along the first-stage ladder 31;

The large door plate 11 and the small door plate 21 are watertight doors, and sealing rubber strips 19 are arranged between the large door plate 11 and the small door plate 21 and between the large door plate 11 and the large door frame 17.

Further, a gate pull rod 18 is arranged between the gate plate 11 and the gate frame 17, and is used for realizing supporting and limiting of the gate plate 11 relative to the gate frame 17 after being opened; a small door pull rod 24 is arranged between the small door plate 21 and the large door plate 11 and used for realizing supporting and limiting of the small door plate 21 relative to the large door plate 11 after being opened; the big door plant 11 is equipped with big door lock and pricks knot 111 all around, little door plant 21 is equipped with little door lock and pricks knot 211 all around, big door lock pricks knot 111 and is connected with big door lock push rod 20, little door lock pricks knot 211 and is connected with little door lock push rod 25, big door lock push rod 20 and little door lock push rod 25 all with drive module 4 electricity is connected.

Further, the small door hinge 22 adopts a four-bar linkage type hinge, the small door hinge 22 is formed by hinging a small door hinge arm 221, a long hinge rod 222, a short hinge rod 223 and a small door hinge fixing seat 224, the small door hinge arm 221 is fixed on the large door plate 11, and the small door hinge fixing seat 224 is fixed on the small door plate 21; the long hinge bar 222 abuts against the short hinge bar 223 to achieve a support limit of the small door hinge 22.

Further, the gate push rod 13, the translation push rod 14, the small gate push rod 23 and the gangway push rod 33 are all electrically connected with the driving module 4; the sensor module 5 is used for collecting the movement position information of the gate assembly 1, the small gate assembly 2 and the gangway ladder assembly 3.

Further, the control module 6 includes a signal acquisition unit 61, a logic control unit 62, a display 63, an alarm 64 and an operation panel 65; the display 63 is used for displaying equipment status, the alarm 64 is used for alarming and prompting, and the operation panel 65 is used for inputting operation instructions by an operator; the signal acquisition unit 61 is used for acquiring feedback signals of the sensor module 5 and identifying movement position information fed back by the gate assembly 1, the small gate assembly 2 and the gangway ladder assembly 3 and state information fed back by the driving module 4.

Further, the logic control unit 62 is configured to generate an action command, specifically, the signal acquisition unit 61 converts the status information fed back by the sensor module 5 into a device status sequence, and transmits the device status sequence to the logic control unit 62, and the logic control unit 62 generates an action command for determining an operation sequence of the device through the device status sequence, and sends the action command to the driving module 4.

Further, the gate push rod 13, the translation push rod 14, the small gate push rod 23 and the gangway ladder push rod 33 are specifically hydraulic push rods or electric push rods; the sensor module 5 is in particular a travel switch or a magnetic proximity switch.

A method of operating an integrated gangway ladder sealing device comprising the steps of:

S01, starting a control module 6, performing state self-checking by the control module 6, and prompting an operator of state information through a display 63;

S02, an operator selects an opening or closing action instruction through the operation panel 65;

S03, sending the position signals of the gate assembly 1, the small gate assembly 2 and the gangway ladder assembly 3 detected by the sensor module 5 and the state signals fed back by the driving module 4 to the signal acquisition unit 61 of the control module 6;

S04, the control module 6 generates a device state sequence according to the position signal and the state signal, sends the device state sequence to the logic control unit 62, simulates a device operation sequence through the logic control unit 62, verifies the logic correctness of the operation sequence, and judges whether the gangway ladder sealing device meets the operation condition;

S05, if the operation conditions are met, the logic control unit 62 generates an action instruction of the operation equipment and sends the action instruction to the driving module 4, the driving module 4 drives the corresponding push rod to move, and then the gate assembly 1, the small gate assembly 2 and the gangway assembly 3 are opened and closed, if the operation conditions are not met, the logic control unit 62 sends a termination action instruction to the driving module 4, the alarm 64 starts an alarm prompt, and the display 63 displays alarm information;

s06, the control module 6 inquires the data stored by the logic control unit 62, so as to obtain the action states of the gate assembly 1, the small gate assembly 2 and the gangway ladder assembly 3, and simultaneously, the corresponding action state information is displayed on the display 63;

S07, repeating the steps S03 to S06 until the opening and closing actions of the gate assembly 1, the small gate assembly 2 and the gangway ladder assembly 3 in the current operation sequence are completed;

S08, the opening and closing steps of the integrated gangway ladder sealing device are completed.

Further, the action state consists of an opening action and a closing action, wherein the opening action comprises device starting, large door plate unlocking, large door plate pushing-out, large door plate overturning, small door plate unlocking, small door plate overturning, gangway ladder extending and gangway ladder extending in place;

the closing actions include device start, gangway retraction, small door panel overturning, small door panel locking, large door panel overturning, large door panel retraction, large door panel locking and large door locking in place.

A watercraft comprising an integrated gangway ladder sealing device as described above.

Compared with the prior art, the invention has the following main advantages:

1. The integrated gangway ladder sealing device has the advantages that the telescopic gangway ladder is integrated with the sealing device door plate, the power module and the control module of the gangway ladder and the sealing device door plate are integrated, the functional integration of the gangway ladder and the gangway ladder opening sealing device is realized, the occupation of space resources is reduced, the personnel operation flow is simplified, and in the opening state of the gangway ladder opening sealing door plate, a shipman can conveniently get on or off a ship;

2. the four-bar structure type hinge is adopted at the connection overturning position of the large door plate and the small door plate, and the corresponding limit pull rods are arranged between the large door plate and the large door frame and between the large door plate and the small door plate, so that collision of the door frame in the door plate overturning process can be effectively avoided;

3. Sealing rubber strips are arranged between the large door plate and the small door plate and between the large door plate and the large door frame, so that watertight sealing of the side outer plate and the door plate at the opening of the gangway ladder in the door plate retraction state can be ensured, long-time exposure of the interior of the cabin to the ocean environment is avoided, and corrosion of the gangway ladder and facilities in the cabin due to ocean salt mist is reduced; meanwhile, when the door plate is in a closed state, the sealing device can reduce the coupling and scattering of radar waves at the opening, so that the stealth at the opening of the ship is improved;

4. The telescopic structure of the gangway ladder is realized by matching the gangway ladder push rod with a multi-stage gangway ladder structure, and the telescopic position of the gangway ladder push rod is controlled by the control module, so that the position of a platform at the tail end of the gangway ladder can be adjusted, and the stretching length of the gangway ladder can be adjusted, so that the change of the direct height difference between ships or between ships and the platform caused by the change of sea waves or draft is adapted;

5. the working method of the integrated gangway ladder sealing device is characterized in that the sensor module is arranged at the moving member of the gangway ladder and gangway ladder opening sealing device, the control module generates action instructions, and the driving module drives each push rod to move to complete the opening and closing of the gangway ladder and gangway ladder opening sealing device, so that the fully-automatic arrangement of the gangway ladder and gangway ladder opening sealing device is realized, and the operation is convenient.

Drawings

FIG. 1 is a schematic diagram of the functional module components of an integrated gangway ladder sealing device of the present invention;

FIG. 2 is a front view of an integrated gangway ladder sealing device of the present invention;

FIG. 3 is a side view of an integrated gangway ladder sealing device of the present invention;

FIG. 4 is a schematic view of a locking mechanism of the present invention in a closed position of an integrated gangway ladder sealing device;

FIG. 5 is a cross-sectional view A-A of an integrated gangway seal apparatus of the present invention in a closed position;

FIG. 6 is an expanded view of a small door hinge of an integrated gangway ladder sealing device of the present invention;

FIG. 7 is a functional block diagram of an integrated gangway ladder sealing device in accordance with an embodiment of the present invention;

Fig. 8 is an overall flow chart of an embodiment of a method of operating an integrated gangway ladder sealing device in accordance with the present invention.

In the figure: 1. a gate assembly; 2. a small door assembly; 3. gangway ladder assembly; 4. a driving module; 5. a sensor module; 6. a control module; 11. a large door plate; 111. locking and fastening the gate; 12. a gate hinge; 13. a gate push rod; 14. translating the push rod; 15. a support frame; 16. a support bracket fixing seat; 17. a large door frame; 18. a gate pull rod; 19. a sealing rubber strip; 20. locking the push rod by the lock; 21. a small door plate; 211. the small door is locked and buckled; 22. a small door hinge; 221. a small door hinge arm; 222. a long hinge rod; 223. a short hinge rod; 224. the small door hinge fixing seat; 23. a small door push rod; 24. a small door pull rod; 25. locking the push rod by the small door; 31. a first-stage ladder; 32. a second step; 33. gangway ladder push rod; 61. a signal acquisition unit; 62. a logic control unit; 63. a display; 64. an alarm; 65. an operation panel.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. 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 invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.

It should be noted that each step/component described in the present application may be split into more steps/components, or two or more steps/components or part of operations of the steps/components may be combined into new steps/components, according to the implementation needs, to achieve the object of the present application.

1. Integrated gangway ladder sealing device

The integrated gangway ladder sealing device comprises a gate assembly 1, a small gate assembly 2, a gangway ladder assembly 3, a driving module 4, a sensor module 5 and a control module 6 as shown in figures 1-4; the large door assembly 1 comprises a large door plate 11 and a large door frame 17, and the large door plate 11 can be turned over relative to the large door frame 17; the small door component 2 comprises a small door plate 21, and the small door plate 21 can be turned over relative to the large door plate 11; the gangway ladder assembly 3 is integrated on the small door plate 21, and in the unfolded state of the gangway ladder assembly 3, the last stage platform of the gangway ladder is close to the waterline position and is used for personnel to ascend;

After the gangway ladder assembly 3 is retracted relative to the small door plate 21, sealing of an opening of the gangway ladder on the outer plate of the small door plate 21 is achieved; after the small door plate 21 is turned over and closed relative to the large door plate 11, the opening in the middle of the large door plate 11 is sealed.

Further, the large door plate 11 is hinged on the supporting frame 15 through the large door hinge 12, the large door plate 11 is turned over and driven by the large door push rod 13, and the large door plate 11 is translated and driven by the translation push rod 14; one end of the gate push rod 13 is hinged with the gate plate 11, the other end of the gate push rod is hinged with the supporting frame 15, the supporting frame 15 is preferably arranged in a supporting frame fixing seat 16 in a sliding rail structure mode, and the supporting frame fixing seat 16 is fixed on a ship deck; the supporting frame 15 is driven by the translation push rod 14 to translate in the sliding rail of the supporting frame fixing seat 16.

Specifically, when the large door plate 11 is turned over and opened, the translation push rod 14 drives the large door plate 11 to horizontally push outwards by pushing the supporting frame 15, so that a gap between the large door plate 11 and the large door frame 17 is increased, collision between the large door plate 11 and the large door frame 17 in the turning process is avoided, after a piston rod of the translation push rod 14 is pushed out, the large door plate 11 is pushed by the large door push rod 13 to rotate around the supporting frame 15 to a horizontal position, and then opening of the large door plate 11 is completed.

Further, one end of the small door plate 21 is hinged with the large door plate 11 through a small door hinge 22; a small door push rod 23 is arranged between the small door plate 21 and the large door plate 11, one end of the small door push rod 23 is fixed with the middle part of the large door plate 11, and the other end is hinged with the middle part of the small door plate 21; the small door push rod 23 pushes the small door plate 21 to rotate around the large door plate 11, so that the small door plate 21 can be opened and closed.

Further, a gate pull rod 18 is arranged between the large door plate 11 and the large door frame 17, and after the large door plate 11 is opened to a limit angle relative to the large door frame 17, the large door plate 11 and the large door frame 17 are fixed by expanding the gate pull rod 18 so as to realize the opening limit of the large door plate 11 relative to the large door frame 17;

And a small door pull rod 24 is arranged between the small door plate 21 and the large door plate 11, and after the small door plate 21 is opened to a limiting angle relative to the large door plate 11, the small door pull rod 24 is unfolded to fix the small door plate 21 and the large door plate 11 so as to realize the opening limit of the small door plate 21 relative to the large door plate 11.

Still further, the gangway ladder assembly 3 is composed of a first-stage ladder 31, a second-stage ladder 32 and a gangway ladder push rod 33, the first-stage ladder 31 is fixed with the small door plate 21, two ends of the gangway ladder push rod 33 are hinged with the first-stage ladder 31 and the second-stage ladder 32 respectively, the first-stage ladder 31 and the second-stage ladder 32 are both provided with sliding rails, and the second-stage ladder 32 can slide along the first-stage ladder 31 under the driving of the gangway ladder push rod 33.

As shown in fig. 4, a set of gate locking buckles 111 are disposed around the gate plate 11, a set of small gate locking buckles 211 are disposed around the small gate plate 21, the gate locking buckles 111 are connected with the gate locking push rod 20, and the small gate locking buckles 211 are connected with the small gate locking push rod 25.

As shown in fig. 5, the large door plate 11 and the small door plate 21 are watertight doors, and sealing rubber strips 19 are arranged between the large door plate 11 and the small door plate 21 and between the large door plate 11 and the large door frame 17.

As shown in fig. 6, the small door hinge 22 adopts a four-bar linkage type hinge, the small door hinge 22 is formed by hinging a small door hinge arm 221, a long hinge rod 222, a short hinge rod 223 and a small door hinge fixing seat 224, the small door hinge arm 221 is fixed on the large door plate 11, and the small door hinge fixing seat 224 is fixed on the small door plate 21; when the small door panel 21 is in an open state and is opened to a limited angle, the long hinge rod 222 abuts against the short hinge rod 223 to realize the opening limitation of the small door hinge 22.

As shown in fig. 7, the driving module 4 is used for driving the push rods of the gate assembly 1, the small gate assembly 2 and the gangway ladder assembly 3 to open and close, and is specifically used for driving the actions of the gate push rod 13, the translation push rod 14, the gate locking push rod 20, the small gate push rod 23, the small gate locking push rod 25 and the gangway ladder push rod 33;

the sensor module 5 is used for collecting the movement position information of the gate assembly 1, the small gate assembly 2 and the gangway ladder assembly 3;

the control module 6 comprises a signal acquisition unit 61, a logic control unit 62, a display 63, an alarm 64 and an operation panel 65;

The display 63 is used for displaying equipment status, the alarm 64 is used for alarming and prompting, and the operation panel 65 is used for inputting operation instructions by operators; the signal acquisition unit 61 is used for acquiring feedback signals of the sensor module 5 and identifying movement position information fed back by the gate assembly 1, the small gate assembly 2 and the gangway ladder assembly 3 and state information fed back by the driving module 4;

The logic control unit 62 is configured to generate an action instruction, specifically: the signal acquisition unit 61 converts the state information fed back by the sensor module 5 into a device state sequence, and transmits the device state sequence to the logic control unit 62, the logic control unit 62 generates an action instruction for determining the operation sequence of the device through the device state sequence, and sends the action instruction to the driving module 4, and the driving module 4 realizes the opening and closing actions of the integrated gangway ladder sealing device according to the action instruction; meanwhile, the logic control unit 62 judges the states before and after the operation of the equipment in real time through the equipment state sequence, so as to judge whether the driving module 4 drives and controls the push rods of the gate assembly 1, the small gate assembly 2 and the gangway ladder assembly 3 to be executed according to the operation sequence determined by the action instructions.

Preferably, the gate push rod 13, the translation push rod 14, the gate locking push rod 20, the small gate push rod 23, the small gate locking push rod 25 and the gangway ladder push rod 33 are specifically hydraulic cylinder push rods or electric cylinder push rods.

Preferably, the sensor module 5 is in particular a travel switch or a magnetic proximity switch.

2. Working method of integrated gangway ladder sealing device

Based on the same inventive concept, the embodiment of the application also provides a working method of the integrated gangway ladder sealing device, which is based on the integrated gangway ladder sealing device, as shown in fig. 8, and specifically comprises the following steps:

S01, starting a control module 6, performing state self-checking by the control module 6, and prompting an operator through a display 63 by state information;

S02, an operator selects an opening or closing action instruction to be operated on a key of the operation panel 65 and determines the opening or closing action instruction through the key; the selected opening or closing action instruction is used as the setting of the operation of the equipment;

s03, the sensor module 5 detects position identification signals of the gate assembly 1, the small gate assembly 2 and the gangway ladder assembly 3 and sends the signals to the signal acquisition unit 61 of the control module 6; the status signal fed back by the driving module 4 is sent to the signal acquisition unit 61 of the control module 6;

s04, the control module 6 inquires the state information of each device of the integrated gangway ladder sealing device from the signal acquisition unit 61, converts the state information of each device into a device state sequence, transmits the device state sequence to the logic control unit 62, simulates the device operation sequence through the received device state sequence, verifies the logic correctness of the operation sequence, and judges whether the gangway ladder sealing device meets the operation condition;

S05, the control module 6 judges that the current equipment state sequence meets the operation condition by the logic control unit 62. If the operation conditions are met, the logic control unit 62 generates an action instruction of the operation equipment and sends the action instruction to the driving module 4, and the driving module 4 drives the push rod to move, so that the push rod can drive the gate assembly 1, the small gate assembly 2 and the gangway ladder assembly 3 to be opened and closed; if the operation condition is not met, the logic control unit 62 of the control module 6 sends a termination action instruction to the driving module 4, the alarm 64 starts an alarm prompt, stops the opening and closing action and displays the action on the display 63;

S06, the control module 6 obtains the state changes and corresponding opening and closing states of the gate assembly 1, the small gate assembly 2 and the gangway ladder assembly 3 through inquiring the data stored by the logic control unit 62, and meanwhile, the display 63 of the control module 6 prompts the operation of the action step to be completed;

S07, repeating the operation processes of S03-S06 until the action operation of each device of the gate assembly 1, the small gate assembly 2 and the gangway ladder assembly 3 in the current operation sequence is completed;

S08, the opening and closing steps of the integrated gangway ladder sealing device are completed.

Further, in the step S02, the operator may select a click or a linkage mode to initiate in the operation panel 65 opening or closing operation command. And under the inching mode, an operator continuously initiates an opening or closing action command, and the command is stopped, namely the equipment stops running. After the operator sets the opening or closing action command in the linkage mode, the control module 6 automatically executes the opening or closing action command to the opening and closing step of the integrated gangway ladder sealing device according to the set command.

Further, in the step S03, the device status sequence is composed of a position identification signal fed back by the sensor module 5 and a status signal fed back by the driving module 4, where the position identification signal includes a movement in-place status signal of each device of the gate assembly 1, the small gate assembly 2 and the gangway assembly 3, and the status signal includes an operation failure status signal of the driving module 4.

Further, in the step S06, the step of opening the integrated gangway ladder sealing device sequentially includes: the integrated gangway ladder sealing device is started, the large door plate is unlocked, the large door plate is pushed out, the large door plate is turned over, the small door plate is unlocked, the small door plate is turned over, the gangway ladder extends out, and the integrated gangway ladder sealing device stops after the gangway ladder extends out in place.

Further, in the step S06, the closing operation steps of the integrated gangway ladder sealing device sequentially include: the integrated gangway ladder sealing device is started, the gangway ladder is retracted, the small door plate is turned over, the small door plate is locked, the large door plate is turned over, the large door plate is retracted, the large door plate is locked, and the large door locking device is in place to stop the integrated gangway ladder sealing device.

Further, in step S08, after the gangway ladder assembly 3 integrated with the gangway ladder sealing device is unfolded in place, an operator may send a command to adjust the position of the platform at the end of the secondary ladder 32 through the operation panel 65, and adjust the extending height of the gangway ladder assembly 3, so as to adapt to the direct height change of the ship and the ship or the ship and the platform due to the sea wave or the draft change.

In summary, the integrated gangway ladder sealing device and the working method provided by the invention are adopted:

1. The integrated gangway ladder sealing device has the advantages that the telescopic gangway ladder is integrated with the sealing device door plate, the power module and the control module of the gangway ladder and the sealing device door plate are integrated, the functional integration of the gangway ladder and the gangway ladder opening sealing device is realized, the occupation of space resources is reduced, the personnel operation flow is simplified, and in the opening state of the gangway ladder opening sealing door plate, a shipman can conveniently get on or off a ship;

2. the four-bar structure type hinge is adopted at the connection overturning position of the large door plate and the small door plate, and the corresponding limit pull rods are arranged between the large door plate and the large door frame and between the large door plate and the small door plate, so that collision of the door frame in the door plate overturning process can be effectively avoided;

3. Sealing rubber strips are arranged between the large door plate and the small door plate and between the large door plate and the large door frame, so that watertight sealing of the side outer plate and the door plate at the opening of the gangway ladder in the door plate retraction state can be ensured, long-time exposure of the interior of the cabin to the ocean environment is avoided, and corrosion of the gangway ladder and facilities in the cabin due to ocean salt mist is reduced; meanwhile, when the door plate is in a closed state, the sealing device can reduce the coupling and scattering of radar waves at the opening, so that the stealth at the opening of the ship is improved;

4. The telescopic structure of the gangway ladder is realized by matching the gangway ladder push rod with a multi-stage gangway ladder structure, and the telescopic position of the gangway ladder push rod is controlled by the control module, so that the position of a platform at the tail end of the gangway ladder can be adjusted, and the stretching length of the gangway ladder can be adjusted, so that the change of the direct height difference between ships or between ships and the platform caused by the change of sea waves or draft is adapted;

5. the working method of the integrated gangway ladder sealing device is characterized in that the sensor module is arranged at the moving member of the gangway ladder and gangway ladder opening sealing device, the control module generates action instructions, and the driving module drives each push rod to move to complete the opening and closing of the gangway ladder and gangway ladder opening sealing device, so that the fully-automatic arrangement of the gangway ladder and gangway ladder opening sealing device is realized, and the operation is convenient.

Based on the same inventive concept, the embodiment of the application also provides a ship, comprising the integrated gangway ladder sealing device.

It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (6)

1. The working method of the integrated gangway ladder sealing device is characterized by comprising the following steps of: the integrated gangway ladder sealing device comprises a large door assembly (1), a small door assembly (2), a gangway ladder assembly (3), a driving module (4), a sensor module (5) and a control module (6), wherein the large door assembly (1) comprises a large door plate (11) and a large door frame (17), one end of the large door plate (11) is hinged with a supporting frame (15) through a large door hinge (12), a large door push rod (13) is arranged between the large door plate (11) and the large door frame (17), one end of the large door push rod (13) is hinged with the end part of the large door plate (11) far away from the supporting frame (15), the other end of the large door push rod is hinged on the supporting frame (15), the supporting frame (15) is arranged in a supporting frame fixing seat (16) through a sliding rail structure, the supporting frame fixing seat (16) is fixed on a ship deck, the large door push rod (13) is driven by a translation push rod (14) to rotate around the large door frame (17) to realize opening and closing actions of the large door plate (11), and the supporting frame fixing seat (15) is driven by the translation push rod (14) to translate in a sliding rail of the supporting frame (16).

The small door assembly (2) comprises a small door plate (21), and one end of the small door plate (21) is hinged with the large door plate (11) through a small door hinge (22); a small door push rod (23) is arranged between the small door plate (21) and the large door plate (11), one end of the small door push rod (23) is fixed with the middle part of the large door plate (11), and the other end of the small door push rod is hinged with the middle part of the small door plate (21); the small door push rod (23) pushes the small door plate (21) to rotate around the large door plate (11) to realize the opening and closing actions of the small door plate (21);

The gangway ladder assembly (3) consists of a first-stage ladder (31), a second-stage ladder (32) and a gangway ladder push rod (33), wherein the first-stage ladder (31) is fixed with a small door plate (21), two ends of the gangway ladder push rod (33) are respectively hinged with the first-stage ladder (31) and the second-stage ladder (32), the first-stage ladder (31) and the second-stage ladder (32) are both provided with sliding rails, and the second-stage ladder (32) is driven by the gangway ladder push rod (33) to slide along the first-stage ladder (31);

the large door plate (11) and the small door plate (21) are watertight doors, and sealing rubber strips (19) are arranged between the large door plate (11) and the small door plate (21) and between the large door plate (11) and the large door frame (17);

The gate push rod (13), the translation push rod (14), the small gate push rod (23) and the gangway ladder push rod (33) are electrically connected with the driving module (4); the sensor module (5) is used for collecting movement position information of the gate assembly (1), the small gate assembly (2) and the gangway ladder assembly (3);

The control module (6) comprises a signal acquisition unit (61), a logic control unit (62), a display (63), an alarm (64) and an operation panel (65); the display (63) is used for displaying equipment states, the alarm (64) is used for alarming and prompting, and the operation panel (65) is used for inputting operation instructions by operators; the signal acquisition unit (61) is used for acquiring feedback signals of the sensor module (5) and identifying motion position information fed back by the gate assembly (1), the small gate assembly (2) and the gangway ladder assembly (3) and state information fed back by the driving module (4);

The logic control unit (62) is used for generating an action instruction, specifically, the signal acquisition unit (61) converts the state information fed back by the sensor module (5) into a device state sequence, the device state sequence is transmitted to the logic control unit (62), and the logic control unit (62) generates the action instruction for determining the operation sequence of the device through the device state sequence and transmits the action instruction to the driving module (4);

the working method comprises the following steps:

s01, starting a control module (6), performing state self-checking by the control module (6), and prompting an operator of state information through a display (63);

S02, an operator selects an opening or closing action instruction through an operation panel (65);

S03, sending position signals of the gate assembly (1), the small gate assembly (2) and the gangway ladder assembly (3) detected by the sensor module (5) and status signals fed back by the driving module (4) to a signal acquisition unit (61) of the control module (6);

s04, a control module (6) generates a device state sequence according to the position signal and the state signal, the device state sequence is sent to a logic control unit (62), the logic control unit (62) simulates a device operation sequence, the logic correctness of the operation sequence is verified, and whether the gangway ladder sealing device meets operation conditions is judged;

S05, if the operation condition is met, the logic control unit (62) generates an action instruction of the operation equipment and sends the action instruction to the driving module (4), the driving module (4) drives the corresponding push rod to move, so that the gate assembly (1), the small gate assembly (2) and the gangway ladder assembly (3) are opened and closed, if the operation condition is not met, the logic control unit (62) sends a termination action instruction to the driving module (4), the alarm (64) starts an alarm prompt, and the display (63) displays alarm information;

S06, the control module (6) inquires data stored by the logic control unit (62) so as to obtain the action states of the gate assembly (1), the small gate assembly (2) and the gangway ladder assembly (3), and meanwhile, corresponding action state information is displayed on the display (63);

s07, repeating the steps S03 to S06 until the opening and closing actions of the gate assembly (1), the small gate assembly (2) and the gangway ladder assembly (3) in the current operation sequence are completed;

S08, completing the opening and closing steps of the integrated gangway ladder sealing device;

in step S08, after the gangway ladder assembly (3) integrated with the gangway ladder sealing device is unfolded in place, an operator sends out a command to adjust the position of the terminal platform of the secondary ladder (32) through the operation panel (65), adjusts the extending height of the gangway ladder assembly (3), and adapts to the height change between ships or between ships and platforms due to sea wave or draft change.

2. The method of operation of an integrated gangway ladder sealing device of claim 1, wherein: a gate pull rod (18) is arranged between the gate plate (11) and the gate frame (17) and used for realizing supporting and limiting of the gate plate (11) relative to the gate frame (17) after being opened; a small door pull rod (24) is arranged between the small door plate (21) and the big door plate (11) and used for realizing supporting and limiting of the small door plate (21) relative to the big door plate (11) after being opened; the novel large door lock is characterized in that a large door plate (11) is provided with a large door locking binding buckle (111) around, a small door plate (21) is provided with a small door locking binding buckle (211) around, the large door locking binding buckle (111) is connected with a large door locking push rod (20), the small door locking binding buckle (211) is connected with a small door locking push rod (25), and the large door locking push rod (20) and the small door locking push rod (25) are electrically connected with a driving module (4).

3. The method of operation of an integrated gangway ladder sealing device of claim 1, wherein: the small door hinge (22) adopts a four-bar structure hinge, the small door hinge (22) is formed by hinging a small door hinge arm (221), a long hinge rod (222), a short hinge rod (223) and a small door hinge fixing seat (224), the small door hinge arm (221) is fixed on a large door plate (11), and the small door hinge fixing seat (224) is fixed on the small door plate (21); the long hinge rod (222) abuts against the short hinge rod (223) to achieve supporting limit of the small door hinge (22).

4. The method of operation of an integrated gangway ladder sealing device of claim 1, wherein: the gate push rod (13), the translation push rod (14), the small gate push rod (23) and the gangway ladder push rod (33) are specifically hydraulic push rods or electric push rods; the sensor module (5) is in particular a travel switch or a magnetic proximity switch.

5. The method according to claim 1, wherein in step S06, the operation state is composed of an opening operation and a closing operation, and the opening operation includes device start, large door plate unlock, large door plate push-out, large door plate turn-over, small door plate unlock, small door plate turn-over, gangway extension in place;

the closing actions include device start, gangway retraction, small door panel overturning, small door panel locking, large door panel overturning, large door panel retraction, large door panel locking and large door locking in place.

6. A marine vessel comprising an integrated gangway sealing apparatus as claimed in any one of claims 1 to 5.