Rapid turning catamaran
By installing auxiliary fins on the catamaran and using drive components to rotate them, combined with the design of the base frame and support components, the problems of large turning radius and insufficient maneuverability of the catamaran were solved, achieving rapid change of direction and improved stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-03-27
AI Technical Summary
Traditional catamarans have a large turning radius and insufficient maneuverability when navigating narrow channels or needing to avoid obstacles.
Auxiliary fins are installed on the mounting frame of the catamaran and driven to rotate by a drive assembly. The water flow resistance difference generated by the auxiliary fins is used to assist steering. Combined with the structural design of the base frame, support components and top frame, the steering speed and stability are improved.
It reduces the turning radius of the catamaran, improves turning speed and stability, enhances maneuverability, and adapts to different turning requirements.
Smart Images

Figure CN224045414U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of unmanned ships, and in particular to a quick turning type catamaran. BACKGROUND
[0002] The catamaran adopts a parallel design of double hulls, and the stability is better than that of a single hull, but a traditional hull generally installs a power system at the tail of the hull, and the hull adjusts the heading of the ship by adjusting the power of the tail power device when turning.
[0003] The currently announced patent No. CN222272302U is a belt type negative pressure cleaning catamaran, which comprises two hulls connected through a connecting frame, and the end of each of the two hulls is provided with a propelling power device, an installation seat is installed on the connecting frame, a recovery seat is installed above one side of the installation seat, and the top of the recovery seat and the top of the installation seat away from the recovery seat are connected through two inclined supports.
[0004] In view of the related technology in the above, the turning radius of the catamaran is large when turning in a narrow channel or urgently avoiding obstacles due to the wide hull, and the maneuverability of the catamaran is affected only by the tail power system of the hull. CONTENT OF THE UTILITY MODEL
[0005] In order to increase the maneuverability of the catamaran, the application provides a quick turning type catamaran.
[0006] The quick turning type catamaran provided by the application adopts the following technical scheme:
[0007] A quick turning type catamaran comprises:
[0008] Two hulls are provided, the two hulls are arranged in parallel with each other, an installation frame is installed between the two hulls, and a propelling assembly is installed at the tail of each of the hulls;
[0009] An auxiliary assembly comprises an auxiliary frame and an auxiliary fin, the auxiliary frame is installed on the installation frame, the auxiliary fin is installed on the auxiliary frame, and the auxiliary fin is located between the two hulls;
[0010] A driving assembly is installed on the installation frame, and the driving end of the driving assembly is connected with the auxiliary frame to drive the auxiliary fin to rotate.
[0011] By adopting the above technical scheme, when the catamaran performs a navigation task, the hulls are driven to move in water by the driving assembly, when the catamaran needs to turn, the driving assembly drives the auxiliary fin to rotate in addition to changing the driving power of the tail driving assembly of the two hulls, the water flow resistance difference generated by the auxiliary fin is used to assist turning, the turning radius of the catamaran is reduced, the turning speed and stability of the catamaran are improved, and the maneuverability of the catamaran is increased.
[0012] Optionally, the auxiliary frame comprises a sliding rod and a fixed rod, the mounting frame is fixedly connected with a sliding ring, the sliding rod is arranged in the sliding ring, one end of the auxiliary fin is fixedly connected with the sliding rod, and the other end is rotatably connected with the fixed rod, and the driving assembly is connected with the sliding rod, so that the driving assembly drives the sliding rod to move in the sliding ring.
[0013] By adopting the above technical scheme, the sliding rod is driven to move in the sliding ring by the driving assembly, so that the movement of the sliding rod drives one end of the auxiliary fin to move, so that the auxiliary fin can rotate around the hinge point of the fixed rod, and the deflection angle of the auxiliary fin is accurately adjusted by the cooperation of the driving assembly and the sliding rod, so as to adapt to different steering requirements.
[0014] Optionally, the auxiliary fin is fixedly connected with a connecting rod, and the connecting rod is fixedly connected with a connecting ring, and the connecting ring is fixedly connected with the sliding rod.
[0015] By adopting the above technical scheme, the installation position of the sliding rod can be optimized, and the installation position of the sliding rod is more convenient, and the contact area between the connecting rod and the sliding rod is larger, and the connection is more stable.
[0016] Optionally, the driving assembly comprises a driving piece and a driving rod, the driving piece is fixedly connected with the mounting frame, the driving rod is installed at the driving end of the driving piece, and one end of the driving rod away from the driving piece is installed on the sliding rod.
[0017] By adopting the above technical scheme, the driving rod is driven to move by the driving piece, the driving rod moves to drive the sliding rod to move, and the sliding rod moves to control the rotation of the auxiliary fin, so that the rotation of the auxiliary fin is controlled by the driving piece.
[0018] Optionally, the mounting frame comprises a base frame, a support and a top frame, the base frame is located between the two hulls, and the two ends of the base frame are fixedly connected with the hulls one by one, the support is fixedly connected with the side of the base frame away from the hulls, and the top frame is fixedly connected with the end of the support away from the base frame.
[0019] By adopting the above technical scheme, the cooperation of the base frame, the support and the top frame is utilized, the base frame makes the hull structure more stable, and at the same time, the support supports the top frame, so that the height of the top frame is farther away from the water surface, and the damage of the electronic elements on the top frame is reduced.
[0020] Optionally, the support member comprises a base rod, a telescopic rod and a locking member, the base rod is fixedly connected to the base frame, the telescopic rod is arranged in the base rod, and the telescopic rod is fixedly connected to the top frame, and the locking member is installed on the base rod to lock the telescopic rod in the base rod.
[0021] By adopting the above technical scheme, the length of the support member can be changed by cooperation of the base rod, the telescopic rod and the locking member, so as to adjust the height of the top frame to adapt to different navigation conditions.
[0022] Optionally, the top frame is fixedly connected with an extension rod, and a camera is installed on the top of the extension rod.
[0023] By adopting the above technical scheme, the height of the camera is increased by the extension rod, so as to optimize the monitoring environment of the camera.
[0024] Optionally, the base frame is fixedly connected with a millimeter wave radar.
[0025] By adopting the above technical scheme, the millimeter wave radar is arranged to detect medium and short distance targets, so as to monitor nearby ships or obstacles and improve the obstacle avoidance capability.
[0026] Optionally, the bottom of the base frame is installed with a single-beam radar.
[0027] By adopting the above technical scheme, the single-beam radar is arranged to measure the water depth or underwater obstacles to ensure the safety of navigation.
[0028] Optionally, the bottom of the ship body is provided with a flow guide rib.
[0029] By adopting the above technical scheme, the flow guide rib is arranged to guide the water flow, reduce the resistance, improve the speed and efficiency, and improve the stability of the ship body.
[0030] In summary, the present application has at least one of the following beneficial technical effects:
[0031] By cooperation of the ship body, the mounting frame, the propulsion assembly, the auxiliary frame, the auxiliary fin and the driving assembly, the auxiliary fin is driven to rotate by the driving assembly, the water flow resistance difference generated by the auxiliary fin is used to assist the turning, the turning radius of the catamaran is reduced, the turning speed and stability of the catamaran are improved, and the effect of increasing the maneuverability of the catamaran is achieved.
[0032] By cooperation of the mounting frame, the sliding rod, the fixed rod and the auxiliary fin, the sliding rod is driven to move in the sliding ring by the driving assembly, and the auxiliary fin can rotate around the hinge point of the fixed rod, so as to achieve the effect of accurately adjusting the deflection angle of the auxiliary fin.
[0033] Through cooperation of the base frame, the support and the top frame, the base frame makes the hull structure more stable, and meanwhile the support supports the top frame, so that the height of the top frame is farther from the water surface, and damage of electronic components on the top frame is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0034] Figure 1 is a structural schematic diagram of a fast turning catamaran in an embodiment of the present application.
[0035] Figure 2 is a structural schematic diagram of a hull and a base frame in an embodiment of the present application.
[0036] Figure 3 is a structural schematic diagram of a bottom of a hull and a base frame in an embodiment of the present application.
[0037] BRIEF DESCRIPTION OF DRAWINGS
[0038] 1, hull; 11, propulsion assembly; 2, auxiliary assembly; 21, auxiliary frame; 211, sliding rod; 212, fixed rod; 22, auxiliary fin; 23, connecting rod; 24, connecting ring; 3, driving assembly; 31, driving piece; 32, driving rod; 4, mounting frame; 41, base frame; 42, support; 421, base rod; 422, telescopic rod; 423, locking piece; 43, top frame; 44, sliding ring; 5, extension rod; 6, camera; 7, millimeter wave radar; 8, single-beam radar; 9, drainage rib. DETAILED DESCRIPTION
[0039] The following will be described in detail with reference to the accompanying drawings. Figures 1-3 The present application will be further described in detail.
[0040] The present application discloses a fast turning catamaran.
[0041] Reference will be made to Figure 1 and Figure 2 A fast turning catamaran includes a hull 1, an auxiliary assembly 2 and a driving assembly 3. The hull 1 is provided with two, the two hulls 1 are arranged in parallel with each other, a mounting frame 4 is installed between the two hulls 1, and a propulsion assembly 11 is installed at the tail of the hull 1. The auxiliary assembly 2 includes an auxiliary frame 21 and an auxiliary fin 22, the auxiliary frame 21 is installed on the mounting frame 4, the auxiliary fin 22 is installed on the auxiliary frame 21, and the auxiliary fin 22 is located between the two hulls 1. The driving assembly 3 is installed on the mounting frame 4, and the driving end of the driving assembly 3 is connected with the auxiliary frame 21 to drive the auxiliary fin 22 to rotate. By driving the auxiliary fin 22 to rotate through the driving assembly 3, the water flow resistance difference generated by the auxiliary fin 22 is utilized to assist turning, the turning radius of the catamaran is reduced, the turning speed and stability of the catamaran are improved, and the maneuverability of the catamaran is increased.
[0042] The propulsion assembly 11 in this embodiment is a direct current motor and a propeller. The propeller is driven to rotate by the direct current motor, and the ship body 1 is propelled forward by the thrust generated by the propeller. In other embodiments, the reaction force of a water jet pump can also be used to propel the unmanned ship forward.
[0043] The mounting frame 4 comprises a base frame 41, a support 42 and a top frame 43. The base frame 41 is located between the two ship bodies 1, and the two ends of the base frame 41 are fixedly connected to the ship bodies 1 one by one. The support 42 is fixedly connected to the side of the base frame 41 away from the ship bodies 1. The top frame 43 is fixedly connected to the end of the support 42 away from the base frame 41. The cooperation of the base frame 41, the support 42 and the top frame 43 makes the structure of the ship body 1 more stable. At the same time, the support 42 supports the top frame 43, so that the height of the top frame 43 is farther away from the water surface, reducing the damage of the electronic components on the top frame 43.
[0044] In an optional embodiment, the support 42 comprises a base rod 421, a telescopic rod 422 and a locking piece 423. The base rod 421 is fixedly connected to the base frame 41. The telescopic rod 422 is arranged in the base rod 421 and is fixedly connected to the top frame 43. The locking piece 423 is installed on the base rod 421. In this embodiment, the locking piece 423 is a combination of a locking ring and a locking handle. The rotation of the handle controls the tightening of the locking ring, so as to lock the telescopic rod 422 in the base rod 421.
[0045] When it is necessary to adjust the length of the support 42, the handle is rotated away from the base rod 421. At this time, the locking ring is loosened, so that the telescopic rod 422 can slide in the base rod 421 at will, thereby adjusting the height of the top frame 43. When it is necessary to lock, the handle is rotated towards the base rod 421, so that the locking ring is tightened, thereby locking the telescopic rod 422 arranged in the base rod 421. The cooperation of the base rod 421, the telescopic rod 422 and the locking piece 423 makes the length of the support 42 changeable, thereby adjusting the height of the top frame 43 to adapt to different navigation conditions.
[0046] The top frame 43 is fixedly connected to an extension rod 5 near the direction in which the ship body 1 advances. A camera 6 is installed on the top of the extension rod 5, and the camera 6 is installed in an inverted manner. The height of the camera 6 is increased by the extension rod 5, thereby optimizing the monitoring environment of the camera 6.
[0047] Referring to FIG. 3, the base frame 41 is fixedly connected to a millimeter wave radar 7 near the direction in which the ship body 1 advances. The millimeter wave radar 7 is used to detect medium and short distance targets, thereby monitoring nearby ships or obstacles and improving the obstacle avoidance capability.
[0048] Referring to Figure 2The auxiliary frame 21 comprises a sliding rod 211 and a fixed rod 212, the base frame 41 is fixedly connected with a sliding ring 44, the sliding rod 211 is arranged in the sliding ring 44, one end of the auxiliary fin 22 is fixedly connected with the sliding rod 211, and the other end is rotatably connected with the fixed rod 212, and the driving assembly 3 is connected with the sliding rod 211. When the driving assembly 3 drives the sliding rod 211 to move in the sliding ring 44, the sliding rod 211 moves to drive one end of the auxiliary fin 22 to move, so that the auxiliary fin 22 can rotate around the hinge point of the fixed rod 212, and the deflection angle of the auxiliary fin 22 is accurately adjusted by cooperation of the driving assembly 3 and the sliding rod 211, and different steering requirements are adapted.
[0049] The auxiliary fin 22 is fixedly connected with a connecting rod 23, the connecting rod 23 is arranged to optimize the installation position of the sliding rod 211, and the connecting rod 23 is fixedly connected with a connecting ring 24, the connecting ring 24 is fixedly connected with the sliding rod 211, and the connecting ring 24 is arranged to make the contact area of the connecting rod 23 and the sliding rod 211 larger, so that the installation position of the sliding rod 211 is more convenient and stable.
[0050] The driving assembly 3 in the embodiment comprises a driving piece 31 and a driving rod 32, the driving piece 31 is fixedly connected with the mounting frame 4, the driving rod 32 is installed at a driving end of the driving piece 31, and one end, away from the driving piece 31, of the driving rod 32 is installed on the sliding rod 211. When the driving piece 31 drives the driving rod 32 to move, the driving rod 32 moves to drive the sliding rod 211 to move, and the sliding rod 211 moves to control the auxiliary fin 22 to rotate, so that the effect that the auxiliary fin 22 is controlled to rotate by the driving piece 31 is achieved.
[0051] Referring to Figure 3 In an optional embodiment, a single-beam radar 8 is installed at the bottom of the base frame 41, and the single-beam radar 8 is arranged to measure water depth or underwater obstacles, and ensure navigation safety.
[0052] The hull 1 is also provided with a flow guide rib 9 at the bottom, the flow guide rib 9 is used to guide water flow, reduce resistance, improve speed and efficiency, and improve the stability of the hull 1.
[0053] The implementation principle of the rapid turning type catamaran in the embodiment is that the catamaran moves in water by using the driving assembly 3 to drive the hull 1 when performing a navigation task.
[0054] When the catamaran turns, in addition to changing the driving power of the tail driving assemblies 3 of the two hulls 1, the driving rods 32 can be driven to move by the driving members 31, the sliding rods 211 are driven to move by the movement of the driving rods 32, one end of the auxiliary fins 22 is driven to move by the movement of the sliding rods 211, so that the auxiliary fins 22 can rotate around the hinge points of the fixed rods 212, thereby controlling the rotation of the auxiliary fins 22, using the water flow resistance difference generated by the auxiliary fins 22 to assist the turning, reducing the turning radius of the catamaran, improving the turning speed and stability of the catamaran, and further increasing the maneuverability of the catamaran.
[0055] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made on the basis of the structure, shape, principle of the present application should be covered within the protection scope of the present application.
Claims
1. A fast catamaran with changeable direction, characterized in that, Include: The hull (1) is provided with two, two said hull (1) is parallelly arranged, two said hull (1) between installation frame (4) is installed, the tail of the hull (1) is installed propelling assembly (11); Auxiliary assembly (2), including auxiliary frame (21) and auxiliary fin (22), the auxiliary frame (21) is installed on the installation frame (4), the auxiliary fin (22) is installed on the auxiliary frame (21), and the auxiliary fin (22) is located between two said hull (1); Driving assembly (3) is installed on the installation frame (4), and the driving end of the driving assembly (3) is connected with the auxiliary frame (21) to drive the auxiliary fin (22) to rotate.
2. The quick turning catamaran of claim 1, wherein: The auxiliary frame (21) includes a sliding rod (211) and a fixed rod (212), the installation frame (4) is fixedly connected with a sliding ring (44), the sliding rod (211) is provided in the sliding ring (44), one end of the auxiliary fin (22) is fixedly connected with the sliding rod (211), the other end is rotatably connected with the fixed rod (212), and the driving assembly (3) is connected with the sliding rod (211) to drive the sliding rod (211) to move in the sliding ring (44).
3. The catamaran according to claim 2, characterized in that: The auxiliary fin (22) is fixedly connected with a connecting rod (23), the connecting rod (23) is fixedly connected with a connecting ring (24), and the connecting ring (24) is fixedly connected with the sliding rod (211).
4. The catamaran of claim 2, wherein: The driving assembly (3) includes a driving member (31) and a driving rod (32), the driving member (31) is fixedly connected with the installation frame (4), the driving rod (32) is installed on the driving end of the driving member (31), and one end of the driving rod (32) away from the driving member (31) is installed on the sliding rod (211).
5. The quick turning catamaran of claim 1, wherein: The installation frame (4) includes a base frame (41), a support (42) and a top frame (43), the base frame (41) is located between two said hull (1), and two ends of the base frame (41) are fixedly connected with the hull (1) one by one, the support (42) is fixedly connected with the base frame (41) away from the hull (1), and the top frame (43) is fixedly connected with one end of the support (42) away from the base frame (41).
6. The quick-turning catamaran of claim 5, wherein: The support (42) includes a base rod (421), a telescopic rod (422) and a locking member (423), the base rod (421) is fixedly connected with the base frame (41), the telescopic rod (422) is provided in the base rod (421), and the telescopic rod (422) is fixedly connected with the top frame (43), and the locking member (423) is installed on the base rod (421) to lock the telescopic rod (422) in the base rod (421).
7. The quick-turning catamaran of claim 5, wherein: The top frame (43) is fixedly connected with an extension rod (5), and a camera (6) is installed on the top of the extension rod (5).
8. The quick-turning catamaran of claim 5, wherein: The base frame (41) is fixedly connected with a millimeter wave radar (7).
9. The quick-turning catamaran of claim 5, wherein: The base frame (41) is provided with a single-beam radar (8) at the bottom.
10. The catamaran of claim 1, wherein: The ship body (1) is provided with a drainage rib (9) at the bottom.
Citation Information
Patent Citations
Belt type negative pressure cleaning catamaran
CN222272302U