CN-115571271-B - Side-pushing cover plate device

CN115571271BCN 115571271 BCN115571271 BCN 115571271BCN-115571271-B

Abstract

The invention discloses a side pushing cover plate device which comprises an outer plate structure, a guide groove cylinder body, a box-shaped shell, cover plate blades, an actuating mechanism, a locking mechanism and a support frame, wherein the outer plate structure is connected with a ship body outer plate in the area, the guide groove cylinder body is connected with the side pushing cylinder body, the box-shaped shell is arranged on the inner side of the outer plate structure, the cover plate blades are arranged at the side face of the guide groove cylinder body, the cover plate blades are divided into a plurality of pieces according to the curved line type of the ship body in the area, the closed state is completely attached to the curved line type of the ship body, the open state provides a flow area for side pushing, the actuating mechanism is arranged on a box-shaped shell reinforcing structure and is used for effectively transmitting torque to control opening and closing of each blade of the cover plate, and the locking mechanism is arranged on the support frame of the box-shaped shell reinforcing structure and is in one-to-one correspondence with the actuating structure to control the opening and closing state of each blade of the cover plate. The invention provides a flow area as large as possible when in side pushing use, exerts the maximum efficiency of side pushing, closes the cover plate when the side pushing is not in use so as to keep the curved line type continuous fairing of the ship body, reduce the ship resistance, reduce the navigation energy consumption and effectively inhibit the air bubbles at the tunnel portal of the side pushing.

Inventors

LIN PEIJIAN
ZHOU YUN
WANG SUJING
ZHANG YUNHAO

Assignees

中国舰船研究设计中心

Dates

Publication Date: 20260508
Application Date: 20221025

Claims (3)

1. The side pushing cover plate device is characterized by comprising an outer plate structure, a guide groove cylinder body, a box-shaped shell, cover plate blades, an actuating mechanism and a locking mechanism; the outer plate structure is connected with the ship body outer plate in the area; the guide groove cylinder body is connected with the side pushing cylinder body; The box-shaped shell is arranged on the inner side of the outer plate structure, and the side surface of the guide groove cylinder body comprises a top plate, a bottom plate, side plates and a reinforcing structure, wherein the outer part of the box-shaped shell is connected with the bottom framework of the ship body, the local strength of the ship body structure is not damaged, and an executing mechanism and a locking mechanism are arranged in the box-shaped shell; The cover plate blades are arranged at the openings of the guide groove cylinder bodies and are divided into a plurality of pieces according to the curved line type of the ship body in the area, the closed state is completely attached to the curved line type of the ship body, and the open state provides a flow area for side pushing; the actuating mechanism is arranged on the reinforcing structure of the box-type shell, effectively transmits torque and controls the opening and closing of each blade of the cover plate, and comprises a multistage sealing structure, a rotating shaft, a shaft coupling and a hydraulic swing cylinder, wherein the rotating shaft is connected with the blades of the cover plate, and the hydraulic swing cylinder outputs torque to drive the shaft coupling and the rotating shaft to rotate; The locking mechanism is arranged on a bracket of the box-type shell reinforcing structure and corresponds to the executing structure one by one and comprises a pin shaft and a hydraulic cylinder, and is used for controlling the locking of the opening and closing states of the blades of each cover plate; the outer plate structure and the ship body line in the area are completely smooth; the guide groove cylinder body is matched with the diameter of the side pushing cylinder body and is directly connected, and the length of the guide groove cylinder body is set by considering the half width of the ship body in the area and the length of the side pushing cylinder body; The cover plate blades form a certain angle with the horizontal plane according to the streamline angle, and each blade can be set to be opened at different angles according to the curved surface characteristics of the blade; the angle range of the cover plate blades capable of rotating around the rotating shaft is 0-180 degrees, the cover plate blades are independent and adjustable, and the opening angles of the blades are set to different angles according to the principle that the minimum area of the blades projected in the side-pushing tunnel is the minimum area; the locking mechanism consists of a plurality of subsystems, the number of the locking mechanism is consistent with that of the subsystems of the executing mechanism and corresponds to that of the subsystems of the executing mechanism one by one, the locking mechanism is inserted into corresponding opening and closing locking positions on the coupler through a control pin shaft of the hydraulic oil cylinder, and the locking of the opening and closing states of the blades of each cover plate is controlled; The top plate and the bottom plate are connected with the large side frame of the ship body, the side plates are connected with the top plate and the bottom plate, the reinforcing structures are arranged in the box-shaped shell in a criss-cross manner to form a frame stress structure, the energy efficiency is used for transmitting external load, the integrity of the local strength of the ship body is ensured, and the reinforcing structures can be used as installation carriers of the executing mechanism and the locking mechanism; The multistage sealing structure ensures that the cabin penetrating rotating shaft and the opening thereof are watertight, the rotating shaft is in one-to-one correspondence with the cover plate blades to form subsystems of the actuating mechanism, the hydraulic swing cylinders in each group of subsystems are arranged on the reinforcing structure, torque is output to drive the shaft coupling, the rotating shaft controls the cover plate blades to open according to different angles, the shaft coupling can transmit the torque in the middle, and the hydraulic swing cylinders are free from radial force.
2. A side-pushing cover plate device as claimed in claim 1, wherein the actuator comprises a plurality of subsystems, the number of which is consistent with that of the cover plate blades and corresponds to that of the cover plate blades one by one, and each group of subsystems is driven by directly outputting torque by the hydraulic swing cylinder.
3. The side-pushing cover plate device according to claim 1, wherein the hydraulic cylinder is arranged on the reinforcing structure through a bracket, the pin shaft is connected with the hydraulic cylinder, and the hydraulic cylinder controls the pin shaft to be inserted into a corresponding opening and closing locking position on the coupler to control the locking of the opening and closing state of each cover plate blade.

Description

Side-pushing cover plate device Technical Field The invention relates to the technical field of ship manufacturing, in particular to a side pushing cover plate device. Background When the ship is required by a navigation area and a mission, in order to improve the operability of the ship under the condition of not rudder or poor rudder efficiency at a low speed and realize the power positioning function at sea, more and more ships are provided with bow side pushing devices, and the bow side pushing devices are used for covering the bow direction of the ship, so that the ship is convenient to lean on a wharf or the positioning working condition at sea. Among the various bow pushing forms, tunnel type side pushing devices are the most common and most widely used. The tunnel breaks the continuous line shape of the head part of the ship, obviously increases the resistance and energy consumption of ship navigation, and affects the rapidity and economy of the ship, and the side-pushing tunnel portal can generate a large amount of bubbles in navigation, and the extra bubbles can leak to the bottom of the ship, so that the bubbles can seriously interfere the operation of the acoustic equipment for the professional scientific investigation ship provided with the acoustic equipment for water body and seabed detection at the bottom of the ship. Therefore, more and more ships can be matched with the side pushing cover plate device to reduce the defects caused by tunnel side pushing. In the prior art, the side pushing cover plate is mainly a single plate in the form of blades, the combined projection of all the blades for adapting to the curved surface of the ship body is generally oblong, and in the case of an actuating mechanism, the hydraulic oil cylinder is generally used for driving a connecting rod mechanism to drive the blades to synchronously open at the same angle, so that the mechanism is complex, and the bottom half width of the ship bottom is small, the framework is dense, and the interference with the ship body structure is often caused, so that the structural strength is damaged. In view of the above drawbacks of the existing side push closure, it is highly desirable to design a new side push closure assembly. Disclosure of Invention The invention aims to provide a side pushing cover plate device so as to provide a flow area as large as possible when the side pushing cover plate device is used for side pushing, exert the maximum efficiency of side pushing, and seal a tunnel opening when the side pushing cover plate device is not used, so that the outer surface of the cover plate is consistent with the linetype fairing of a ship body, the ship resistance is reduced, the sailing energy consumption is reduced, and the air bubbles of the side pushing tunnel opening are effectively restrained. In order to achieve the aim, the invention provides a side pushing cover plate device which comprises an outer plate structure, a guide groove cylinder body, a box-shaped shell, cover plate blades, an actuating mechanism and a locking mechanism; the outer plate structure is connected with the ship body outer plate in the area; the guide groove cylinder body is connected with the side pushing cylinder body; The box-shaped shell is arranged on the inner side of the outer plate structure, and the side surface of the guide groove cylinder body comprises a top plate, a bottom plate, side plates and a reinforcing structure, wherein the outer part of the box-shaped shell is connected with the bottom framework of the ship body, the local strength of the ship body structure is not damaged, and an executing mechanism and a locking mechanism are arranged in the box-shaped shell; The cover plate blades are arranged at the openings of the guide groove cylinder bodies and are divided into a plurality of pieces according to the curved line type of the ship body in the area, the closed state is completely attached to the curved line type of the ship body, and the open state provides a flow area for side pushing; the actuating mechanism is arranged on the reinforcing structure of the box-type shell, effectively transmits torque and controls the opening and closing of each blade of the cover plate, and comprises a multistage sealing structure, a rotating shaft, a shaft coupling and a hydraulic swing cylinder, wherein the rotating shaft is connected with the blades of the cover plate, and the hydraulic swing cylinder outputs torque to drive the shaft coupling and the rotating shaft to rotate; The locking mechanism is arranged on a bracket of the box-type shell reinforcing structure and corresponds to the executing structure one by one, and comprises a pin shaft and a hydraulic cylinder, and the locking mechanism is used for controlling the opening and closing states of the cover plate blades. The side pushing cover plate device is characterized in that the outer plate structure and the ship body in the area are completely smooth. According