Dual-purpose electric tugboat for towing and eliminating
By separating battery compartments on the tugboat and optimizing the hull structure, combined with fire-fighting systems and solar power, the noise, energy consumption, and pollution problems of diesel-powered tugboats have been solved, resulting in a low-noise, low-energy, and multifunctional electric tugboat suitable for port fire response.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHUHAI QIHANG NEW ENERGY TECHNOLOGY CO LTD
- Filing Date
- 2025-05-22
- Publication Date
- 2026-05-01
AI Technical Summary
Existing diesel-powered tugboats suffer from high vibration and noise levels, high energy consumption, and environmental pollution, while lacking fire extinguishing capabilities. Existing pure electric tugboats have limited functionality and application scenarios.
Design a dual-purpose electric tugboat for towing and firefighting, with bow and stern batteries respectively located in the bow and stern battery compartments. Combined with a fire pump and fire monitor, equipped with a consumable liquid tank and solar panels, the tugboat uses a generator set and solar panels to replenish the battery power, and optimizes the hull structure to reduce drag.
The tugboat, which is low in noise, low in energy consumption, and multifunctional, can effectively deal with fires at docks and on ships, expands its application scenarios, and protects the environment.
Smart Images
Figure CN224184464U_ABST
Abstract
Description
A dual-purpose electric tugboat for towing and firefighting Technical Field
[0001] This utility model relates to the field of tugboat technology, and in particular to an electric tugboat that can be used for both towing and firefighting. Background Technology
[0002] A tugboat is a vessel used to tow barges and ships. Tugboats are characterized by their robust structure, good stability, small size, powerful main engine, high traction, and excellent maneuverability. Currently, there are over 1,000 tugboats in ports across China, and the majority of tugboats built and used are still diesel-powered.
[0003] However, diesel-powered tugboats not only generate significant vibration and noise and consume a lot of energy, but also seriously pollute the marine and atmospheric environments. In addition, existing pure electric tugboats have limited functionality and application scenarios, and cannot effectively respond to dock fires or ship fires.
[0004] Therefore, how to design a dual-purpose electric tugboat that is low in noise, low in energy consumption, has a reasonable layout, and protects the environment is a problem that urgently needs to be solved by those skilled in the art. Summary of the Invention
[0005] This utility model provides a dual-purpose electric tugboat for towing and firefighting, which solves the technical problems of diesel tugboats being noisy, energy-intensive, polluting the environment, and lacking fire extinguishing function.
[0006] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: a dual-purpose electric tugboat for towing and firefighting, comprising: a hull, a propulsion mechanism, a deckhouse, a consumable liquid tank, a firefighting mechanism, a bow battery, and a stern battery.
[0007] The hull is divided into several compartments by fixed internal partitions, which are arranged sequentially along the bow and stern: a bow tip compartment, an empty compartment, a bow battery compartment, an engine room, a stern battery compartment, and a propeller compartment. The propulsion mechanism is fixed in the propeller compartment, and its propeller extends out of the hull bottom. The deckhouse is fixed in the middle of the deck of the hull. The consumable liquid tank is located in the engine room.
[0008] The fire-fighting mechanism includes a fire pump and a fire monitor. The fire pump is fixed in the engine room and connected to the consumable liquid tank. The fire monitor is fixed on the deckhouse and connected to the fire pump. The bow battery is located in the bow battery compartment, and the stern battery is located in the stern battery compartment. Both the bow battery and the stern battery are electrically connected to the propulsion mechanism, the fire pump, and the fire monitor.
[0009] The beneficial effects of this utility model are: improving the traditional tugboat structure by placing the bow battery in the bow battery compartment and the stern battery in the stern battery compartment. Since the stern and bow battery compartments are distributed on both sides of the engine room, the weight balance of the hull can be ensured, and the concentrated arrangement of batteries can prevent the bow or stern from becoming too heavy. Since the consumable liquid tank is located in the engine room in the middle of the hull, the hull's buoyancy can be prevented from changing significantly during liquid consumption. Then, the fire monitor and fire pump are connected to achieve dual-purpose towing and firefighting, thus expanding the tugboat's functionality.
[0010] Based on the above technical solution, the present invention can be further improved as follows.
[0011] Furthermore, the deckhouse includes a first deckhouse, a second deckhouse, and a bridge. A fixing groove is provided in the middle of the deck of the hull; the first deckhouse is fixed in the fixing groove; the bottom end of the second deckhouse is fixed in the middle of the roof of the first deckhouse; the bottom end of the bridge is fixed in the middle of the roof of the second deckhouse; and the fire monitor is fixed in the roof of the second deckhouse.
[0012] The further beneficial effect of adopting the above is that fixing a deckhouse in a fixed groove in the hull deck can effectively lower the center of gravity and make the ship more stable during navigation.
[0013] Furthermore, the length and width of the first deckhouse are both greater than the length and width of the second deckhouse, and the length and width of the second deckhouse are both greater than the length and width of the bridge.
[0014] The further beneficial effect of adopting the above is that by first utilizing the fact that the length and width of the bridge are smaller than those of the second deckhouse, and then by utilizing the fact that the length and width of the second deckhouse are smaller than those of the first deckhouse, it can be ensured that when the ship is listing at a large angle, the deckhouse will not collide with the towed vessel.
[0015] Furthermore, it also includes a solar panel, which is fixed to the top deck of the bridge; the bow battery and the stern battery are both electrically connected to the solar panel.
[0016] The further beneficial effect of adopting the above is that by electrically connecting the solar panels to the bow battery and the stern battery respectively, the bow battery and the stern battery can be replenished with power when there is sufficient sunlight.
[0017] Furthermore, it also includes a generator set, which is located inside the engine room; both the bow battery and the stern battery are electrically connected to the generator set.
[0018] The further beneficial effect of adopting the above is that by electrically connecting the generator set to the bow battery and the stern battery respectively, the power can be replenished to the bow battery and the stern battery, thereby increasing the range of the electric tugboat.
[0019] Furthermore, the consumable liquid tanks are multiple, namely a sewage tank, a foam tank, and a seawater tank, and the fire pump is connected to the seawater tank, which is connected to the seawater outside the hull.
[0020] Furthermore, the bow of the hull has a pointed structure.
[0021] The further beneficial effect of adopting the above is that designing the bow of the hull as a pointed structure can make the bow slender and reduce resistance. Attached Figure Description
[0022] Figure 1 is a side view of the structure of a dual-purpose electric tugboat for towing and firefighting according to this utility model.
[0023] Figure 2 is a cross-sectional structural diagram of a dual-purpose electric tugboat for towing and firefighting according to this utility model.
[0024] The attached diagram lists the components represented by each number as follows:
[0025] 1. Hull; 11. Forehead compartment; 12. Empty compartment; 13. Bow battery compartment; 14. Engine room; 15. Aft battery compartment; 16. Steering wheel compartment; 17. Fixing recess; 2. Propulsion mechanism; 3. Deckhouse; 31. First deckhouse; 32. Second deckhouse; 33. Wheelhouse; 4. Consumable liquid tank; 5. Fire pump; 6. Fire monitor; 7. Solar panel; 8. Generator set. Detailed Implementation
[0026] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.
[0027] As shown in Figure 1, a dual-purpose electric tugboat for towing and firefighting includes: a hull 1, a propulsion mechanism 2, a deckhouse 3, a consumable liquid tank 4, a firefighting mechanism, a bow battery, and a stern battery.
[0028] The interior of the hull 1 is divided into several compartments by fixed partitions, which are distributed sequentially along the bow and stern of the hull 1: bow tip compartment 11, empty compartment 12, bow battery compartment 13, engine room 14, stern battery compartment 15, and rudder propeller compartment 16. The propulsion mechanism 2 is fixed in the rudder propeller compartment 16 and its propeller extends out of the bottom of the hull 1. The deckhouse 3 is fixed in the middle of the deck of the hull 1. The consumable liquid tank 4 is placed in the engine room 14. The fire-fighting mechanism includes a fire pump 5 and a fire monitor 6. The fire pump 5 is fixed in the engine room 14 and is connected to the consumable liquid tank 4. The fire monitor 6 is fixed on the deckhouse 3 and is connected to the fire pump 5. The bow battery is placed in the bow battery compartment 13 and the stern battery is placed in the stern battery compartment 15. Both the bow battery and the stern battery are electrically connected to the propulsion mechanism 2, the fire pump 5, and the fire monitor 6.
[0029] As shown in Figures 1 and 2, in some specific embodiments, the deckhouse 3 may include a first deckhouse 31, a second deckhouse 32, and a bridge 33. A fixing groove 17 is provided in the middle of the deck of the hull 1; the first deckhouse 31 is fixed in the fixing groove 17; the bottom end of the second deckhouse 32 is fixed to the middle of the top of the first deckhouse 31; the bottom end of the bridge 33 is fixed to the middle of the top of the second deckhouse 32; and the fire monitor 6 is fixed to the top of the second deckhouse 32.
[0030] As shown in Figure 2, in some specific embodiments, the length and width of the first deckhouse 31 can be greater than the length and width of the second deckhouse 32, and the length and width of the second deckhouse 32 can be greater than the length and width of the bridge 33.
[0031] As shown in Figure 1, in some specific embodiments, a solar panel 7 may also be included, which is fixed to the roof of the cockpit 33; the bow battery and the stern battery are both electrically connected to the solar panel 7.
[0032] As shown in Figure 1, in some specific embodiments, a generator set 8 may also be included, which is placed inside the engine room 14; the bow battery and the stern battery are both electrically connected to the generator set 8.
[0033] Specifically, there are multiple consumable liquid tanks 4, which are sewage tank, foam tank and seawater tank respectively. The fire pump 5 is connected to the seawater tank and the seawater tank is connected to the seawater outside the hull 1.
[0034] Specifically, the bow of hull 1 can be a pointed structure, with its Fourier number between 0.2 and 0.3 at operating speed. Within this speed range, by adjusting the bow hull line to make it pointed and slender, the angle between the waterline and the longitudinal centerline smoothly transitions from 6° at the 500 waterline to 29° at the design waterline, thereby reducing the rhomboid coefficient to about 0.55, effectively reducing resistance and thus reducing energy consumption.
[0035] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A dual-purpose electric tugboat for towing and firefighting, characterized in that, include: The hull (1) has multiple fixed compartments that divide its interior into a bow section (11), a vacant compartment (12), a bow battery compartment (13), an engine room (14), a stern battery compartment (15), and a propeller compartment (16) arranged sequentially along the bow and stern directions of the hull (1); a propulsion mechanism (2) is fixed inside the propeller compartment (16) and its propeller extends out of the bottom of the hull (1); a deckhouse (3) is fixed in the middle of the deck of the hull (1); and a consumable liquid tank (4). The propulsion mechanism (2), the fire pump (5), and the fire monitor (6) are located in the engine room (14); the fire pump (5) is fixed in the engine room (14) and connected to the consumable liquid tank (4); the fire monitor (6) is fixed on the deckhouse (3) and connected to the fire pump (5); the bow battery and the stern battery are located in the bow battery compartment (13) and the stern battery is located in the stern battery compartment (15), and both the bow battery and the stern battery are electrically connected to the propulsion mechanism (2), the fire pump (5), and the fire monitor (6).
2. The dual-purpose electric tugboat for towing and firefighting as described in claim 1, characterized in that, The deckhouse (3) includes a first deckhouse (31), a second deckhouse (32), and a wheelhouse (33). The middle of the deck of the hull (1) is provided with a fixing groove (17). The first deckhouse (31) is fixed in the fixing groove (17). The bottom end of the second deckhouse (32) is fixed in the middle of the top of the first deckhouse (31). The bottom end of the wheelhouse (33) is fixed in the middle of the top of the second deckhouse (32). The fire monitor (6) is fixed in the top of the second deckhouse (32).
3. The dual-purpose electric tugboat for towing and firefighting as described in claim 2, characterized in that, The length and width of the first deckhouse (31) are both greater than the length and width of the second deckhouse (32), and the length and width of the second deckhouse (32) are both greater than the length and width of the wheelhouse (33).
4. The dual-purpose electric tugboat for towing and firefighting as described in claim 2, characterized in that, It also includes a solar panel (7), which is fixed to the roof of the cockpit (33); the bow battery and the stern battery are both electrically connected to the solar panel (7).
5. The dual-purpose electric tugboat for towing and firefighting according to claim 1, characterized in that, It also includes a generator set (8), which is located in the engine room (14); the bow battery and the stern battery are both electrically connected to the generator set (8).
6. The dual-purpose electric tugboat for towing and firefighting according to claim 1, characterized in that, The consumable liquid tanks (4) are multiple and are respectively a sewage tank, a foam tank and a seawater tank. The fire pump (5) is connected to the seawater tank and the seawater tank is connected to the seawater outside the hull (1).
7. The dual-purpose electric tugboat for towing and firefighting according to claim 1, characterized in that, The bow of the hull (1) is a pointed structure.