Embedded retractable child-mother ship type, retractable method and law enforcement ship

Through the embedded structure of mother-child ships and hydraulic locking devices, the problems of long and poor safety of traditional law enforcement boats' small boat retracting and retracting devices are solved, and the rapid and safe retracting and retracting of sub-boats are achieved, supporting unmanned driving and automatic operation of intelligent ships.

CN120482257APending Publication Date: 2025-08-15CSSC HUANGPU WENCHONG SHIPBUILDING CO LTD
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Patent Information

Application Number
CN202510436284.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2025-08-15

AI Technical Summary

Technical Problem

The small boat retraction and placement device of traditional law enforcement ships requires crane operation, which consumes a long time and is poor in safety, occupies a large space for the mother ship, affects the layout of other equipment, and has high requirements for sea conditions, making it difficult to achieve unmanned and intelligent operation.

Method used

The embedded mating structure of the sub-boat and the mother ship is adopted, and the recessed space is achieved through the concave recovery space and hydraulic locking device. The control system automatically controls the positioning and release of the sub-boat to avoid the use of crane equipment.

Benefits of technology

It realizes fast and safe sub-boat collection, reduces the space occupation of the mother ship, reduces the requirements for sea conditions, supports the automatic collection and release of unmanned driving and intelligent ships, and improves the convenience and safety of operation.

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Abstract

The invention discloses an embedded retractable child-mother ship type, a retractable method and a law enforcement ship. The ship type comprises a child ship, the broadside of the child ship is provided with a hull structure which protrudes and extends towards the two sides, and the hull structure is gradually narrowed from the stern to the bow. The mother ship and the stern are provided with concave sub-ship recovery spaces, the two sides of each sub-ship recovery space are provided with concave structures, and the sub-ship recovery spaces are gradually narrowed from the stern to the bow. And the sub-boat fixing systems are uniformly distributed in the sub-boat recovery space along the length direction of the boat. And the control system is deployed on the mother ship and controls the son ship fixing system to fold and unfold the son ship. According to the embedded type retractable child-mother ship type, the retractable method and the law enforcement ship, rapid retractable is achieved through an embedded matching structure of the child ship and the mother ship, a crane and auxiliary equipment of the crane are not needed, the space of the mother ship is saved, the small boat retractable time is shortened, and the safety of the small boat retractable process is improved; convenience is provided for using the modern unmanned operation technology and the intelligent ship automatic folding and unfolding and navigation technology.
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Description

Technical Field

[0001] The present invention belongs to the technical field of ships, and in particular relates to an embedded retractable mother-and-child ship type, a retractable mother-and-child ship method, and a law enforcement ship. Background Art

[0002] Large government vessels typically carry one or two high-speed boats as workboats to compensate for their larger hulls' inability to operate in shallow waters. Traditionally, Chinese law enforcement vessels utilize cranes to deploy and retract these boats. These vessels typically use ship-borne workboats, typically released and retrieved by hoisting or chutes, and are typically carried by the mother vessel. The large number of workboats and associated auxiliary equipment limits their size, payload, and power, impacting the layout of other ship equipment. Furthermore, the hoisting and deploying systems are time-consuming and unsafe to operate. The design, operation, and maintenance of these systems consume significant manpower and resources, and require high sea conditions for operation. With the increasing development of unmanned marine equipment, there is a pressing need for a rapidly deployable mother-and-child vessel to enable unmanned operation and intelligent deployment of law enforcement workboats within the context of artificial intelligence. Summary of the Invention

[0003] In order to solve the above technical problems, the present invention provides an embedded retractable mother-daughter boat type and a retraction and deployment method and a law enforcement ship, which adopts an embedded matching structure between the daughter boat and the mother ship to achieve rapid retraction and deployment, without the need for a crane and its auxiliary equipment, saving mother ship space, reducing the folding and deployment time of the small boat, and improving the safety of the small boat folding and deployment process, providing convenience for the use of modern unmanned operation technology and automatic folding and deployment of intelligent ships and navigation technology.

[0004] The object of the present invention is achieved through the following technical solutions: an embedded retractable mother-and-child ship, comprising:

[0005] The daughter boat has a hull structure with protrusions on the side that extends to both sides, gradually narrowing from the stern to the bow.

[0006] The mother ship is provided with a concave daughter boat recovery space at the stern, and recessed structures are provided on both sides of the daughter boat recovery space, which gradually narrows from the stern to the bow.

[0007] The daughter boat fixing system is evenly distributed inside the daughter boat recovery space along the length of the ship.

[0008] The control system is deployed on the mother ship to control the daughter boat fixing system to retract and deploy the daughter boat.

[0009] Preferably, the hull structure protruding on the side of the daughter boat adopts a trapezoidal structure with chamfered corners, and multiple structural grooves are evenly arranged along the length of the boat.

[0010] Preferably, a slide is provided on the inner wall of the daughter boat recovery space.

[0011] Preferably, the sub-boat fixing system is a plurality of sets of hydraulic locking devices.

[0012] Preferably, the mating surfaces between the daughter boat and the mother ship are made of titanium alloy or ironwood.

[0013] Preferably, the mother ship includes manned and unmanned ships.

[0014] Preferably, a plurality of daughter boat recovery spaces are provided inside the mother ship for collecting and releasing a plurality of daughter boats at one time or in batches.

[0015] Preferably, a daughter boat propeller is provided at the stern of the daughter boat.

[0016] In addition to providing an embedded retractable mother-and-child boat type, the present invention further provides a method for retracting and deploying the daughter boat of the above-mentioned mother-and-child boat type, which is specifically as follows:

[0017] When the daughter boat is recovered, it slides into the daughter boat recovery space through the navigation system, and adjusts the position of the daughter boat through the gradually narrowing daughter boat recovery space to achieve rapid positioning of the daughter boat. After positioning is completed, the daughter boat fixing system is controlled by the control system to lock and fix the daughter boat.

[0018] When the daughter boat is released, the control system controls the daughter boat fixing system to release the daughter boat, starts the daughter boat power system to reverse or forward to slow down, creates a speed difference with the mother ship, and automatically slides the daughter boat into the water.

[0019] The present invention also provides a maritime law enforcement vessel provided with a plurality of retractable boats, and the law enforcement vessel is manufactured using the above-mentioned embedded retractable mother-and-child ship type.

[0020] Compared with the prior art, the present invention has the following advantages:

[0021] The present invention provides an embedded retractable mother-and-daughter boat and deployment method. The deployment and retraction of the mother-and-daughter boat are automatically controlled, and a mounting system is installed within the daughter boat recovery space, eliminating the need for traditional lifting equipment and significantly increasing the effective space of the mother boat. Conventional rescue boat deployment and retraction operations require stable sea conditions and a reduced speed for the mother boat. However, the embedded retractable mother-and-daughter boat provided by the present invention can be deployed and retracted in any sea conditions, with lower operating requirements.

[0022] The embedded retractable mother-and-child boat provided by the present invention can be quickly retracted and deployed with one button, which is beneficial to emergency rescue work. The retraction time is less than half an hour, and the retraction and deployment can be silent, helping to achieve close reconnaissance and take advantage of the enemy's unpreparedness.

[0023] Compared with other types of devices, the present invention can achieve a quick separation function, and personnel can still quickly leave the scene after the mother ship loses power or is controlled.

[0024] After the navigation system is set in the wooden boat control system, the present invention can be used as supporting equipment for unmanned ships and artificial intelligence ships, and can realize the combination and separation of the parent and child power systems, thereby increasing the coverage of various working conditions of the power system. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a front view of the sub-boat in an embodiment of the present invention;

[0026] Figure 2 This is a left view of the sub-boat in an embodiment of the present invention;

[0027] Figure 3 This is a cross-sectional view of a mother ship in an embodiment of the present invention;

[0028] Figure 4 This is a side view of a mother ship in an embodiment of the present invention;

[0029] Figure 5 This is a cross-sectional view of a letter-shaped ship in an embodiment of the present invention;

[0030] Figure 6 for Figure 5 BB direction view.

[0031] In the figure, 1 is the daughter boat; 2 is the mother ship; 3 is the daughter boat recovery space; 4 is the daughter boat control system; 5 is the groove; 6 is the slide; 7 is the daughter boat propeller; 8 is the mother ship propeller. DETAILED DESCRIPTION

[0032] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It will be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all structures.

[0033] The technical solution of the present invention provides an embedded retractable mother-and-child ship, comprising:

[0034] The daughter boat 1 has a hull structure with protrusions on the side and extending to both sides, and gradually narrows from the stern to the bow;

[0035] The mother ship 2 is provided with a concave daughter boat recovery space 3 at the stern, and a concave structure is provided on both sides of the daughter boat recovery space 3, which gradually narrows from the stern to the bow;

[0036] The daughter boat fixing system 4 is evenly distributed inside the daughter boat recovery space 3 along the length of the ship;

[0037] The control system is deployed on the mother ship 2 and controls the daughter boat fixing system 4 to retract and deploy the daughter boat.

[0038] like Figures 1 to 2As shown, in one embodiment of the present invention, the raised hull structure on the side of the daughter boat 1 adopts a trapezoidal structure with rounded corners. Multiple structural grooves 5 are evenly arranged along the length of the boat. These reinforced grooves facilitate uniform force transfer to the hull structure. The raised hull structure on the side of the daughter boat 1 requires a stable connection to the hull of the daughter boat 1, and a wing-shaped connection structure is used at the root.

[0039] like Figures 3 and 4 As shown, in one embodiment of the present invention, a small boat recovery space 3 is reserved inside the hull structure of the mother ship 2, and the small boat recovery space 3 has a concave structure on both sides, which gradually narrows from the stern to the bow. Hydraulic locking devices are evenly distributed along the length of the ship as a daughter boat fixing system 4. The hull structure near the hydraulic locking device is reinforced to facilitate uniform transmission of the hull structure force, and a slide 6 is provided on the inner wall of the daughter boat recovery space 3.

[0040] In one embodiment of the present invention, the mating surfaces between the daughter boat 1 and the mother ship 2 are made of titanium alloy or lignum vitae. If necessary, a self-lubricating material is used to ensure smooth contact surfaces, facilitating one-touch deployment and retraction without causing jamming. The structural groove 5 of the hydraulic locking mechanism between the daughter boat 1 and the mother ship 2 is required to transmit thrust and therefore requires structural reinforcement.

[0041] In one embodiment of the present invention, the mother ship 2 includes manned and unmanned ships. When the mother ship 2 is an unmanned ship, the control system must at least be equipped with a navigation system.

[0042] In one embodiment of the present invention, a plurality of daughter boat recovery spaces 3 are provided inside the mother ship 2 for collecting and releasing a plurality of daughter boats 1 at a time or in batches. Figures 5 and 6 As shown, two daughter boat recovery spaces 3 can be symmetrically arranged at the stern of the mother ship.

[0043] like Figures 5 and 6 As shown, in one embodiment of the present invention, a daughter propeller 7 is provided at the stern of the daughter boat 1. When the ship enters or leaves a port, or navigates within a port, the power system needs to operate at a lower power level. During forward and reverse maneuvers, the mother ship's propeller 8 generates low-frequency noise, and incomplete fuel combustion often emits black smoke. This is because using a higher-power main power system to achieve a more refined power operating mode increases the loss of various main engine performance. After the daughter boat 1 is recovered, it can operate independently as a micro-power system for ship entry and exit operations, reducing main engine losses.

[0044] In addition to providing an embedded retractable mother-and-child boat, the technical solution of the present invention further provides a method for retracting and deploying the daughter boat of the above-mentioned mother-and-child boat, which is specifically as follows:

[0045] like Figures 1 to 6As shown, after the daughter boat 1 is recovered, it slides into the interior of the mother ship 2 through the slide 6. Since the daughter boat 1 enters the mother ship 2, the gradually narrowing slide 6 can automatically adjust the position of the daughter boat 1 up, down, left and right, to achieve rapid positioning of the daughter boat 1, which is similar to the process of a sword being put into a scabbard. After the positioning is completed, the hydraulic device is tightened to lock the daughter boat 1.

[0046] The daughter boat 1 of this mother-and-daughter ship type can be released with one button. The hydraulic locking device is opened, and the power system is activated to reverse or forward decelerate. When the speed difference with the mother boat 2 is created, the daughter boat automatically slides into the water. This greatly saves the release time and steps, the process is simple, less special equipment needs to be maintained, and the safety factor is high.

[0047] After recovery, the daughter boat 1 functions as an independent operating module under normal operating conditions, integrated into the mother ship 2 via an embedded structure. The automated adjustment and positioning capabilities of the specific structure replace the traditional, cumbersome and redundant recovery mechanisms, such as slides, cranes, clips, and rods. It also serves as part of the mother ship's main propulsion system, effectively reducing hull space usage. Furthermore, the power systems can compensate for each other, preventing some daughter boats 1 from being idle for years, leading to mechanical depreciation and increased maintenance costs.

[0048] The technical solution of the present invention also provides a maritime law enforcement ship equipped with multiple retractable boats, and the law enforcement ship is manufactured using the above-mentioned embedded retractable mother-and-child ship type.

[0049] The above is a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An embedded retractable mother-and-child boat, characterized by: The mother-and-child ship types include: The daughter boat (1) has a hull structure with protrusions on its side and extending to both sides, and gradually narrows from the stern to the bow; The mother ship (2) is provided with a concave daughter boat recovery space (3) at the stern, and recessed structures are provided on both sides of the daughter boat recovery space (3), which gradually narrows from the stern to the bow; A daughter boat fixing system (4) is evenly distributed inside the daughter boat recovery space (3) along the length of the ship; A control system is deployed on the mother ship (2) to control the daughter boat fixing system (4) to retract and deploy the daughter boat.

2. The embedded retractable mother-and-child boat according to claim 1, characterized in that: The hull structure of the sub-boat (1) protruding on the side adopts a trapezoidal structure with rounded corners, and multiple structural grooves (5) are evenly arranged along the length direction of the boat.

3. The embedded retractable mother-and-child boat according to claim 1, characterized in that: A slideway (6) is provided on the inner wall of the sub-boat recovery space (3).

4. The embedded retractable mother-and-child boat according to claim 1, characterized in that: The sub-boat fixing system (4) is a plurality of sets of hydraulic locking devices.

5. The embedded retractable mother-and-child boat according to claim 1, characterized in that: The mating surfaces between the daughter boat (1) and the mother ship (2) are made of titanium alloy or ironwood.

6. The embedded retractable mother-and-child boat according to claim 1, characterized in that: The mother ship (2) includes manned and unmanned ships.

7. The embedded retractable mother-and-child boat according to claim 1, characterized in that: A plurality of daughter boat recovery spaces (3) are provided inside the mother ship (2) for recovering and releasing a plurality of daughter boats (1) at one time or in batches.

8. The embedded retractable mother-and-child boat according to claim 1, characterized in that: The stern of the daughter boat (1) is provided with a daughter boat propeller (7).

9. A method for deploying and retracting a daughter boat of an embedded retractable mother-and-child type, characterized by: The method is used for deploying and retracting the daughter boat of the mother-and-child ship type according to any one of claims 1 to 8, and is specifically as follows: When the daughter boat (1) is recovered, it is guided by the navigation system to slide into the daughter boat recovery space (3), and the position of the daughter boat (1) is adjusted by the gradually narrowing daughter boat recovery space (3), so as to achieve rapid positioning of the daughter boat (1). After positioning is completed, the daughter boat fixing system (4) is controlled by the control system to lock and fix the daughter boat (1); When the daughter boat (1) is released, the control system controls the daughter boat fixing system (4) to release the daughter boat (1), starts the power system of the daughter boat (1) to reverse or forward decelerate, generates a speed difference with the mother ship (2), and automatically slides the daughter boat (1) into the water.

10. A maritime law enforcement vessel equipped with multiple retractable boats, characterized by: The law enforcement vessel is manufactured using the embedded retractable mother-and-child ship type described in any one of claims 1-8.

Citation Information

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