Integrated grating double-layer barrel side pushing device and using method thereof

Abstract

The embodiment of the invention provides an integrated grating double-layer barrel side pushing device and a using method thereof. The device comprises a double-layer side pushing barrel, an oil injection port, a sealing cavity, paddles, a driving motor and a grid. According to the embodiment of the invention, the stable noise reduction function is realized by filling the double-layer side-pushing barrel ship with the damping liquid, belonging to the first time in the industry. The method can be fully adopted by the design of scientific investigation ships with high additional value and high noise requirements. The grid is integrally pushed in and can be installed in a workshop in advance, the purpose of zero coating damage in ship underwater engineering side pushing grid installation is achieved, and the anti-corrosion service life is prolonged. The structural form is successfully adopted on a scientific investigation ship, so that the broadness of ship carrying instruments for national scientific investigation and national defense detection is expanded, and particularly, the structural form is a high-precision advanced detection instrument which has strict requirements on noise when a propelling system is started. And the instrument underwater detection capability and the data accuracy of scientific investigation operation ships and related ocean engineering ships are greatly improved.

Description

Technical Field

[0001] This application relates to the technical field of ship side thrust mechanical structures and noise reduction, and particularly relates to an integrated grille double-layer cylinder side thrust device and its usage method. Background Art

[0002] Currently, for ships equipped with grille side thrust devices, considering various aspects such as cost and technical maturity, 80% adopt the single-cylinder form. Even for ships with higher comfort requirements that adopt the double-cylinder form for side thrust, there is only a precedent in the market that uses the double-layer cylinder elastic connection mode to achieve the purpose of noise reduction to increase the comfort of ship noise. Due to the end grille being located at the curved outer plate, the grille is designed and manufactured after on-site measurement and sampling, and the grille is welded after the cylinder is installed.

[0003] The single-cylinder side thrust does not have any noise reduction ability and retains all the noise generated during side thrust operation.

[0004] The side thrust with the double-layer cylinder elastic connection form has a certain noise reduction ability. However, since the elastic connection is located in the middle of the two layers of cylinders, there is a probability of resonance when the side thrust is electrically started and operated on a real ship. If resonance occurs, it will not play any role in noise reduction, but instead requires on-site treatment and countermeasures. Summary of the Invention

[0005] By providing an integrated grille double-layer cylinder side thrust device, the embodiments of the present invention solve the problems that the double-layer cylinder elastic connection cannot reduce noise when resonance occurs after installation on a ship, and the technical problem that the underwater engineering welding damage and anti-corrosion performance are reduced due to separately measuring the real ship curve data and then manufacturing the grille. This is achieved by adopting the integrated grille double-layer cylinder side thrust structural form and filling the double-layer cylinder interlayer with silicone oil after hot forming.

[0006] The embodiments of the present invention provide an integrated grille double-layer cylinder side thrust device, and the device includes: a double-layer side thrust cylinder, an oil injection port, a sealed cavity, a propeller blade, a drive motor, and a grille;

[0007] The double-layer side thrust cylinder is horizontally placed in the ship body, is a double-layer cylinder with an interlayer, and the two ends are flared mouths corresponding to the inner curves of the two sides of the ship outer plate. A containing space is enclosed between the two ends in cooperation with the inner wall of the double-layer side thrust cylinder, and a grille is provided corresponding to the flared mouth;

[0008] An opening is provided on the cylinder wall of the double-layer side thrust cylinder, and the sealed cavity is arranged in the containing space and is hermetically connected to the opening at one end;

[0009] The sealed cavity is provided with a hydraulic control system joint and is connected to the propeller blade;

[0010] The driving motor is arranged on the outer side of the top of the double-layer side thruster cylinder body, and drives and connects the sealed cavity through the cylinder wall of the double-layer side thruster cylinder body, and can drive the blades;

[0011] An oil filling port is arranged on the outer side wall of the top of the double-layer side thruster cylinder body, and damping liquid can be injected into the interlayer through the oil filling port.

[0012] In some embodiments, a drain port is arranged on the outer side wall of the bottom of the double-layer side thruster cylinder body for draining the liquid in the interlayer.

[0013] In some embodiments, an exhaust port is arranged on the outer side wall of the top of the double-layer side thruster cylinder body for discharging the gas in the interlayer.

[0014] In some embodiments, the number of the drain ports is two or more.

[0015] In some embodiments, the number of the oil filling ports is two or more.

[0016] In some embodiments, the damping liquid injected into the interlayer can at least correspondingly cover the driving motor area and the blade working area.

[0017] In some embodiments, the area of the interlayer corresponding to covering the driving motor area and the blade working area is the area filled with damping liquid.

[0018] In some embodiments, the damping liquid includes silicone oil.

[0019] An embodiment of the present invention provides a use method of the integrated grille double-layer cylinder body side thruster device as described in any one of the above embodiments, and the method includes:

[0020] After the integrated grille double-layer cylinder body side thruster device is installed on the ship by hot work, the damping liquid is filled.

[0021] In some embodiments, the filling of the damping liquid includes:

[0022] Inject the damping liquid into the damping liquid filling area through the oil filling port;

[0023] Before filling, open the exhaust port, fill the damping liquid until liquid comes out of the exhaust port, then stop filling and close the exhaust port;

[0024] Discharge a preset amount of the damping liquid through the drain port, and the filling of the damping liquid is completed.

[0025] The above embodiments of the present invention adopt the form of filling shock-absorbing liquid in the double-layer side-thrust cylinder to achieve the function of stable noise reduction, which is the first in the industry. It can be fully adopted in the design of scientific research ships with high added value and high noise requirements. The grille adopts an integrated push-in type and can be installed in the workshop in advance, achieving the goal of zero coating damage in the installation of the side-thrust grille for underwater engineering of ships, and increasing the anti-corrosion life. The successful adoption of this structural form on scientific research ships expands the breadth of instruments carried by national scientific research and national defense exploration ships, especially for high-precision detection instruments with strict requirements for noise during the startup of the propulsion system. It greatly improves the underwater detection ability and data accuracy of scientific research operation ships and related offshore engineering ships. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings generally illustrate, by way of example and not limitation, the various embodiments discussed herein.

[0027] Figure 1 It is a schematic cross-sectional structure diagram of an integrated grille double-layer cylinder side-thrust device according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] In order to be able to understand the features and technical content of the embodiments of the present application in more detail, the implementation of the embodiments of the present application will be described in detail below with reference to the drawings. The attached drawings are for reference and illustration only and are not used to limit the embodiments of the present application.

[0029] In the description of the embodiments of the present application, it should be noted that unless otherwise specified and limited, the term "connection" should be understood in a broad sense. For example, it can be an electrical connection, or it can be the communication inside two components. It can be directly connected, or it can be indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0030] It should be noted that the terms "first\second\third" involved in the embodiments of the present application are only used to distinguish similar objects and do not represent a specific order for the objects. It can be understood that "first\second\third" can be interchanged in a specific order or sequence under allowable circumstances. It should be understood that the objects distinguished by "first\second\third" can be interchanged under appropriate circumstances so that the embodiments of the present application described here can be implemented in an order other than those illustrated or described here.

[0031] The following combines the attached Figure 1 Specifically describe the embodiments of the present invention.

[0032] An embodiment of the present invention provides an integrated grille double-layer cylinder side-thrust device, as Figure 1 shown, the device includes: a double-layer side-thrust cylinder 11, an oil injection port 13, a sealed cavity 14, a blade 15, a driving motor 16, and a grille 17.

[0033] The double-layer side thrust cylinder body 11 is horizontally placed inside the ship. It is a double-layer cylinder body with an interlayer 19. The two ends are flared mouths 12 arranged corresponding to the inner curves of the outer hull plates 10 of the ship. A receiving space 22 is enclosed between the two ends in cooperation with the inner wall of the double-layer side thrust cylinder body 11, and a grille 17 is arranged corresponding to the flared mouth 12.

[0034] In the embodiment of the present application, the grille 17 is detachable and connected by studs, and is integrated with the double-layer side thrust cylinder body 11. The base of the grille 17 is directly installed at the junction of the inner wall of the double-layer side thrust cylinder body 11 and the flared mouth 12. When the double-layer side thrust cylinder body 11 is manufactured, the grille base is integrally welded, and no hot work is required on the ship.

[0035] An opening 20 is arranged on the cylinder wall of the double-layer side thrust cylinder body 11. A sealed cavity 14 is arranged in the receiving space 22, and one end is hermetically connected to the opening 20.

[0036] The sealed cavity 14 is provided with a hydraulic control system joint, which is connected to the blade 15.

[0037] The driving motor 16 is arranged outside the top of the double-layer side thrust cylinder body 11, and drives and connects the sealed cavity 14 through the cylinder wall of the double-layer side thrust cylinder body 11, and can drive the blade 15.

[0038] An oil filling port 13 is arranged on the outer side wall of the top of the double-layer side thrust cylinder body 11, and damping liquid can be injected into the interlayer 19 through the oil filling port 13.

[0039] In some embodiments, a drain port 18 is arranged on the outer side wall of the bottom of the double-layer side thrust cylinder body 11 for draining the liquid in the interlayer 19.

[0040] In some embodiments, an exhaust port 21 is arranged on the outer side wall of the top of the double-layer side thrust cylinder body 11 for discharging the gas in the interlayer 19.

[0041] In some embodiments, the number of the drain ports 18 is two or more.

[0042] In some embodiments, the number of the oil filling ports 13 is two or more.

[0043] In some embodiments, the damping liquid injected into the interlayer 19 can at least correspondingly cover the area of the driving motor 16 and the working area of the blade 15.

[0044] In some embodiments, the area of the interlayer 19 corresponding to covering the area of the driving motor 16 and the working area of the blade 15 is the area filled with damping liquid.

[0045] The function of the damping liquid is damping vibration reduction, achieving the effect of shock absorption. In some embodiments, the damping liquid includes silicone oil.

[0046] The embodiments of the present invention provide a method for using an integrated grille double-layer cylinder side thrust device as described in any of the above embodiments, and the method includes:

[0047] After the integrated grille double-layer cylinder side thrust device is installed on the ship by hot work, shock-absorbing liquid is filled.

[0048] Since silicone oil is not safe for hot work operations, silicone oil cannot be filled immediately after the double-layer cylinder and the sealing cavity are fabricated. Silicone oil must be filled after the integrated double-layer cylinder is installed on the ship by hot work and before debugging.

[0049] In some embodiments, filling the shock-absorbing liquid includes:

[0050] Fill the shock-absorbing liquid into the shock-absorbing liquid filling area through the oil filling port 13.

[0051] Before filling, open the exhaust port 21, fill the shock-absorbing liquid until liquid comes out of the exhaust port 21, then stop filling and close the exhaust port 21.

[0052] Discharge a preset amount of shock-absorbing liquid through the drain port 18 to complete the filling of the shock-absorbing liquid.

[0053] Here, the function of discharging a preset amount of shock-absorbing liquid is to keep the silicone oil in the entire cylinder evenly filled up and down. The specific quantity of the preset amount is not limited, and a small amount of release can be carried out during actual operation, such as 1 to 2 liters.

[0054] The above embodiments of the present invention adopt the form of filling shock-absorbing liquid on the ship for the double-layer side thrust cylinder to achieve the function of stable noise reduction, which is the first in the industry. It can be fully adopted in the design of scientific research ships with high added value and high noise requirements. The grille adopts an integrated push-in type and can be installed in the workshop in advance, achieving the goal of zero coating damage during the installation of the side thrust grille for underwater engineering of the ship and increasing the anti-corrosion life. The successful adoption of this structural form on scientific research ships expands the scope of instruments carried by national scientific research and defense exploration ships, especially for high-precision detection instruments with strict requirements for the noise during the startup of the propulsion system. It greatly improves the underwater detection ability and data accuracy of scientific research operation ships and related offshore engineering ships.

[0055] The embodiments of the present invention are the first in the industry to adopt a silicone oil filling method and cylinder structure with extremely high safety on the ship, fully avoiding the risk of elastic connection noise reduction failure caused by structural resonance of the ship, and the cylinder form of the integral push-in grille, achieving zero coating damage during the installation of the grille on the ship. The double-layer cylinder with a stable noise reduction function and the structural form with zero coating damage for grille installation are adopted by filling silicone oil on the ship. It has been fully adopted by scientific research ships with high added value and high noise requirements. It provides a strong technical reference for the noise impact of future scientific research ship propellers.

[0056] It broadens the range of instruments carried by national scientific research and national defense detection ships, especially high-precision detection instruments with strict requirements for noise during the startup of the propulsion system.

[0057] Among the technical solutions described in the embodiments of the present application, they can be arbitrarily combined without conflict.

[0058] The above is only the specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present application can easily think of changes or substitutions, which should all be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claimed rights.

Claims

1. An integrated grille double-layer cylinder side thrust device, characterized in that, The device includes: a double-layer side thrust cylinder body, an oil filling port, a sealed cavity, a paddle, a driving motor, and a grille; The double-layer side thrust cylinder body is horizontally arranged in the ship's hull, which is a double-layer cylinder body with an interlayer. The two ends are flared mouths corresponding to the inner curves of the two outer plates of the ship's hull. An accommodation space is enclosed between the two ends in cooperation with the inner wall of the double-layer side thrust cylinder body, and a grille is arranged corresponding to the flared mouths; An opening is provided on the cylinder wall of the double-layer side thrust cylinder body, and the sealed cavity is arranged in the accommodation space and is hermetically connected to the opening at one end; The sealed cavity is provided with a hydraulic control system joint and is connected to the paddle; The driving motor is arranged outside the top of the double-layer side thrust cylinder body and drives and connects the sealed cavity through the cylinder wall of the double-layer side thrust cylinder body, and can drive the paddle; An oil filling port is provided on the outer wall of the top of the double-layer side thrust cylinder body, and damping liquid can be injected into the interlayer through the oil filling port; 2. The integrated grille double-layer cylinder side thrust device according to claim 1, wherein A drain port is provided on the outer wall of the bottom of the double-layer side thrust cylinder body for draining the liquid in the interlayer; 3. The integrated grille double-layer cylinder side thrust device according to claim 2, characterized in that, An exhaust port is provided on the outer wall of the top of the double-layer side thrust cylinder body for discharging the gas in the interlayer; 4. The integrated grid double-layer cylinder side thrust device according to claim 2, wherein, The number of the drain ports is two or more; 5. The integrated grille double-layer cylinder side thrust device according to claim 1, characterized in that, The number of the oil filling ports is two or more; 6. The integrated grille double-layer cylinder side thrust device according to claim 1, wherein The damping liquid injected into the interlayer can at least correspondingly cover the driving motor area and the paddle working area; 7. The integrated grille double-layer cylinder side thrust device according to claim 6, wherein The area of the interlayer corresponding to covering the driving motor area and the paddle working area is the damping liquid filling area; 8. The integrated grille double-layer cylinder side thrust device according to claim 1, wherein, The damping liquid includes silicone oil; 9. A method for using the integrated grille double-layer cylinder side thrust device according to any one of claims 1 to 8, characterized in that, The method includes:

10. The method according to claim 9, characterized in that, Injecting the damping liquid after the pyrotechnics installation of the integrated grille double-layer cylinder side thrust device on the ship is completed; The injecting of the damping liquid includes: Injecting the damping liquid into the damping liquid filling area through the oil filling port; Before injection, opening the exhaust port, injecting the damping liquid until liquid comes out of the exhaust port, then stopping the injection and closing the exhaust port; Discharging a preset amount of the damping liquid through the drain port, and the injection of the damping liquid is completed.

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