Ice breaking device of ship
By installing icebreaking and crushing mechanisms on the bow of the ship, and using icebreaking discs, crushing discs, and blades to cut ice blocks, the problem of large ice blocks scraping against the hull has been solved, achieving a safe and efficient icebreaking effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FUJIAN HONGYE CRAFT CO LTD
- Filing Date
- 2025-07-09
- Publication Date
- 2026-05-15
AI Technical Summary
Existing ship icebreaking devices cannot effectively prevent large ice blocks from scraping against the hull, affecting navigation safety.
Design an icebreaking device that includes an icebreaking mechanism and a crushing mechanism. The icebreaking mechanism breaks the ice surface by rotating the icebreaking disc, and the crushing mechanism cuts the ice blocks by using a crushing disc and icebreaking blades to ensure that the ice blocks are dispersed or broken into small pieces, thus avoiding large ice blocks from scratching the hull.
It improves icebreaking efficiency, ensures the safety and speed of ships navigating in ice-covered areas, and avoids damage to the hull from large ice blocks.
Smart Images

Figure CN224241222U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of shipbuilding technology, specifically to an icebreaking device for ships. Background Technology
[0002] Boats and ships are a general term for all kinds of vessels. A ship is a means of transportation that can navigate or anchor in waterways for transport or operations. Depending on the different usage requirements, they have different technical performance, equipment, and structural types. A ship is a man-made means of transportation that mainly operates in geographical waters.
[0003] In order to enable ships to navigate on icy waters, icebreakers have emerged in the existing technology. However, existing ship icebreaking devices can only break the ice in front of them. The broken ice has large chunks, which can easily scrape the hull, especially squeezing, scraping, or even colliding with the ship's sides, causing deformation of the ship's sides and thus affecting the ship's navigation in icy areas. Utility Model Content
[0004] Therefore, to solve the above problems, this utility model provides an icebreaking device for ships.
[0005] To achieve the above objectives, the technical solution provided by this utility model is as follows:
[0006] An icebreaking device for a ship, disposed on the bow side of the ship, includes a mounting bracket, an icebreaking mechanism, and a crushing mechanism. The mounting bracket is fixed to the bow side of the ship and extends forward. The icebreaking mechanism is mounted at the end of the mounting bracket and includes an icebreaking actuator, a vertical drive shaft, and an icebreaking disc. The vertical drive shaft is vertically oriented, and the icebreaking disc is mounted on the vertical drive shaft. Icebreaking teeth are provided on the outer periphery of the icebreaking disc. The icebreaking actuator is driven and connected to the vertical drive shaft. The crushing mechanism is mounted on the end of the mounting bracket near the ship. The crushing mechanism includes a crushing actuator, a horizontal drive shaft, and a crushing assembly. The horizontal drive shaft is horizontally oriented, and the crushing assembly consists of multiple crushing discs and multiple icebreaking blades alternately sleeved on the horizontal drive shaft. The crushing actuator is driven and connected to the horizontal drive shaft.
[0007] Furthermore, the mounting bracket has two spaced-apart support rods at one end near the ship, the horizontal drive shaft is disposed between the two support rods and is rotatably mounted on the two support rods at both ends, and the crushing drive is fixed on one of the support rods.
[0008] Furthermore, the mounting bracket has a Y-shaped structure, with the ends of the two support rods connected to an end platform, and the ice-breaking mechanism is mounted on the end platform.
[0009] Furthermore, the mounting bracket is an integrally connected carbon steel component.
[0010] Furthermore, the crushing drive is a rotary motor, which is directly fixed to the end of the mounting bracket. The rotary drive shaft of the crushing drive is coaxial with the vertical drive shaft and connected by a coupling.
[0011] Furthermore, the ship is equipped with a ship mounting plate on its front side, and two vertically arranged connecting shafts are mounted on the ship mounting plate. Each of the two connecting shafts is provided with two protruding plates. Each of the two support rods is provided with a through hole and a relief portion that is laterally connected to the through hole and whose shape is adapted to the protruding plate. The two connecting shafts are respectively inserted into the through holes of the two support rods, and the two protruding plates on the same support rod abut against the upper and lower sides of the support rod respectively.
[0012] Furthermore, it also includes a rotary driver that drives two connecting shafts.
[0013] Furthermore, the icebreaker blade has a cross-shaped structure, and its diameter is larger than that of the crushing disc.
[0014] Furthermore, the icebreaker blade is composed of two single blades in a cross shape joined together.
[0015] Furthermore, each of the two blades has a recessed locking slot in the middle, and the locking slots of the two blades are aligned to form a locking mechanism.
[0016] The technical solution provided by this utility model has the following beneficial effects:
[0017] The icebreaking device is located on the bow of the ship. During operation, the icebreaking mechanism first breaks the ice surface by driving the icebreaking drive to rotate the icebreaking disc horizontally. The broken ice blocks are dispersed to both sides of the hull under the rotation of the icebreaking disc, improving icebreaking efficiency and effectiveness. At the same time, ice blocks close to the hull are broken into smaller pieces by the crushing mechanism. Specifically, the crushing drive drives the horizontal drive shaft to rotate, which in turn drives multiple crushing discs and multiple icebreaking blades alternately fitted on the horizontal drive shaft to cut and break the ice. This prevents large ice blocks from scraping the hull (such as the bottom and sides of the hull), ensuring the ship's speed in icy waters and improving the safety of navigation. Attached Figure Description
[0018] Figure 1 The diagram shown is a structural schematic of the icebreaking device of the ship in the embodiment.
[0019] Figure 2 The diagram shown is an exploded view of the icebreaking device of the ship in the embodiment.
[0020] Figure 3The diagram shown is a partial structural schematic of the crushing mechanism in the embodiment;
[0021] Figure 4 The diagram shown is an exploded view of the structure of a single icebreaker blade in the embodiment.
[0022] Figure 5 The diagram shown is a schematic representation of the ice-breaking tray in the embodiment. Detailed Implementation
[0023] To further illustrate the various embodiments, the present invention provides accompanying drawings. These drawings are part of the disclosure of the present invention and are mainly used to illustrate the embodiments, and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these drawings, those skilled in the art should be able to understand other possible implementations and the advantages of the present invention. Components in the drawings are not drawn to scale, and similar component symbols are generally used to represent similar components.
[0024] In the description of this utility model, terms such as "upper", "lower", "left", "right", "front", and "rear" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0025] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments.
[0026] Reference Figures 1 to 5 As shown, this embodiment provides an icebreaking device for a ship, including a mounting bracket 1, an icebreaking mechanism, and a crushing mechanism. The mounting bracket 1 is fixed to the front side of the ship and extends forward. The icebreaking mechanism is mounted at the end (i.e., the front end) of the mounting bracket 1. The icebreaking mechanism includes an icebreaking actuator 7, a vertical drive shaft 8, and an icebreaking disc 9. The vertical drive shaft 8 is vertically arranged, and the icebreaking disc 9 is mounted on the vertical drive shaft 8, meaning that the radial direction of the icebreaking disc 8 is horizontal. The outer periphery of the icebreaking disc 9 is provided with icebreaking teeth 92. Specifically, as shown... Figure 5 As shown, the icebreaking disc 9 specifically includes a disc body 91, a plurality of icebreaking teeth 92 evenly arranged on the outer periphery of the disc body 91, and a connecting shaft hole 93 located in the center of the disc body 91. The icebreaking disc 9 is fixedly sleeved on the vertical drive shaft 8 through the connecting shaft hole 93. The icebreaking driver is connected to the vertical drive shaft 8. The icebreaking driver drives the vertical drive shaft 8 to rotate, thereby driving the icebreaking disc 9 to rotate, so that the icebreaking teeth 92 strike the ice surface, thereby breaking the ice. The broken ice blocks are scattered to both sides of the hull under the rotation of the icebreaking disc 9, improving the icebreaking efficiency and effect.
[0027] The icebreaking mechanism is mounted on the mounting bracket 1 at the end closest to the ship, i.e., behind the icebreaking mechanism. The icebreaking mechanism includes a icebreaking driver (not shown), a horizontal drive shaft 42, and icebreaking components. The horizontal drive shaft 42 is arranged laterally; in this embodiment, its axial extension direction is the width direction of the hull. The icebreaking components consist of multiple icebreaking discs 41 and multiple icebreaking blades 43 alternately sleeved on the horizontal drive shaft 42. Thus, the horizontal drive shaft 42 and the icebreaking components can be pre-assembled to form a icebreaking module 4, which is then assembled onto the mounting bracket 1. The icebreaking driver drives the horizontal drive shaft 42. When large chunks of ice broken by the icebreaking mechanism flow to the rear, they are cut and broken by the alternately arranged icebreaking discs 41 and icebreaking blades 43, preventing large chunks of ice from scraping the hull (such as the bottom and sides), ensuring the ship's speed in icy waters, and improving navigation safety.
[0028] In this embodiment, the mounting bracket 1 has a Y-shaped structure with two spaced-apart support rods at one end near the ship (i.e., the rear end). The horizontal drive shaft 42 is positioned between the two support rods and is rotatably mounted on both ends of the two support rods. The icebreaking actuator is fixed to one of the support rods, thus achieving stable assembly of the icebreaking mechanism. The ends (i.e., the front ends) of both support rods are connected to an end platform 5, and the icebreaking mechanism is mounted on the end platform 5. Specifically, the icebreaking actuator 7 is a rotary motor, directly fixed to the end platform 5 of the mounting bracket 1. The rotary drive shaft of the icebreaking actuator 7 is coaxial with the vertical drive shaft 8 and connected via a coupling, thus achieving stable assembly of the icebreaking mechanism.
[0029] Furthermore, the mounting bracket 1 is an integrally connected carbon steel component, which is sturdy and not easily damaged.
[0030] The crushing disc 41 is a disc-shaped structure, and the ice-breaking blade 43 is a cross-shaped structure. The diameter of the ice-breaking blade 43 is larger than that of the crushing disc 41, so that the end of the ice-breaking blade 43 protrudes from the crushing disc 41. Specifically, the end of the ice-breaking blade 43 is the cutting edge, which plays the main role in cutting and crushing.
[0031] Furthermore, the icebreaker 43 is formed by interlocking two "I"-shaped single blades 431. Specifically, each of the two single blades 431 has a concave locking slot 433 in its middle, and the locking slots 433 of the two single blades 431 are aligned to form a fastening mechanism. Each of the two single blades 431 also has a corresponding shaft hole 432 in its middle, through which it is fixed to the horizontal drive shaft 42. Simultaneously, to ensure effective circumferential positioning between the icebreaker 43 and the horizontal drive shaft 42, the icebreaker 43 and the horizontal drive shaft 42 can be connected by a keyway. That is, both the shaft hole 432 of the icebreaker 43 and the horizontal drive shaft 42 have recesses (not shown in the figure), and the keyway is fitted into the recesses of the icebreaker 43 and the horizontal drive shaft 42 to achieve circumferential positioning of the icebreaker 43 and the horizontal drive shaft 42.
[0032] The ship is equipped with a ship mounting plate 10 at its front. A connecting plate 11 is fixed on the ship mounting plate 10. Two vertically arranged connecting shafts 12 are mounted on the ship mounting plate 10 (specifically, the connecting plate 11). Each of the two connecting shafts 12 is provided with two protruding plates 18 and 14. Specifically, the two protruding plates 18 and 14 are provided in the lower section of the two connecting shafts 12. The protruding plates 18 and 14 are spaced apart vertically and face the same direction. Each of the two support rods of the mounting bracket 1 is provided with a through hole 2 and a relief portion 13 that is laterally connected to the through hole 2 and whose shape is adapted to the protruding plates 18 and 14. In this embodiment, the two protruding plates 18 and 14 are square protruding plates, and the relief portion 13 is a square hole. The two connecting shafts 12 are respectively inserted into the through holes 2 of the two support rods, and the two protruding plates 18 and 14 on the same support rod 12 respectively abut against the upper and lower sides of the support rod. The specific operating steps are as follows: During installation, rotate the connecting shaft 12 until the convex plates 18 and 14 correspond to the relief portion 13 of the support rod, i.e., they face the same direction. In this way, the connecting shaft 12 passes through the through hole 2 of the support rod, and at the same time, the convex plate 14 passes through the relief portion until the two convex plates 18 and 14 of the connecting shaft 12 are located on the upper and lower sides of the support rod, respectively. At this time, rotate the connecting shaft 12 to make the convex plates 18 and 14 and the relief portion 13 misaligned. In this way, the two convex plates 18 and 14 on the same connecting shaft 12 press against the upper and lower sides of the support rod, realizing a fixed connection between the connecting shaft 12 and the mounting bracket 1. When it is necessary to remove it, drive the connecting shaft 12 to rotate until the convex plates 18 and 14 correspond to the relief portion 13 of the support rod again. At this time, the connecting shaft 12 can be pulled out of the support rod of the mounting bracket 1 to achieve separation.
[0033] Further, it further includes a rotary driver 17, and the rotary driver 17 is drivingly connected to two connecting rotating shafts 12. Specifically, the rotary driver 17 is a rotary motor, which is fixed on the ship mounting plate 10. At the same time, belt pulleys 15 are installed on the two connecting rotating shafts 12, and a transmission connection is formed through a belt 16, that is, the belt pulleys 15 on the two connecting rotating shafts 12 are connected by the belt 16; the rotary driver 17 is drivingly connected to one of the connecting rotating shafts 12. In this way, the rotary driver 17 can drive the two connecting rotating shafts 12 to rotate synchronously.
[0034] The above discloses one of the more preferred solutions for implementing the present application. Of course, in other embodiments, it is not limited to this. For example, in the ice-breaking mechanism, the vertical drive shaft 8 can be rotatably assembled on the mounting bracket 1 to better limit the vertical drive shaft 8, making the operation of the ice-breaking mechanism more stable and reliable; for example, in the crushing mechanism, the ice-breaking knife 43 can be a four-knife head structure in the shape of a "plus" sign connected integrally, or the ice-breaking knife 43 can be a six-knife head structure in the shape of a "mi" sign, etc.; for example, the mounting bracket 1 can also be other structures such as a "U" - shaped bracket; for example, the fixing structure between the mounting bracket 1 and the ship mounting plate 10 can also adopt fixing methods such as clamping and welding.
[0035] Although the present utility model has been specifically shown and described in combination with the preferred embodiments, those skilled in the art should understand that various changes can be made to the present utility model in terms of form and details without departing from the spirit and scope of the present utility model defined by the appended claims, and all such changes are within the protection scope of the present utility model.
Claims
1. An icebreaking device for a ship, disposed on the bow side of the ship, characterized in that: The system includes a mounting bracket, an icebreaking mechanism, and a crushing mechanism. The mounting bracket is fixed to the front side of the vessel and extends forward. The icebreaking mechanism is mounted at the end of the mounting bracket and includes an icebreaking actuator, a vertical drive shaft, and an icebreaking disc. The vertical drive shaft is vertically oriented, and the icebreaking disc is mounted on the vertical drive shaft. The outer periphery of the icebreaking disc is provided with icebreaking teeth. The icebreaking actuator is driven and connected to the vertical drive shaft. The crushing mechanism is mounted on the end of the mounting bracket near the vessel and includes a crushing actuator, a horizontal drive shaft, and a crushing assembly. The horizontal drive shaft is horizontally oriented, and the crushing assembly consists of multiple crushing discs and multiple icebreaking blades alternately sleeved on the horizontal drive shaft. The crushing actuator is driven and connected to the horizontal drive shaft.
2. The icebreaking device for ships according to claim 1, characterized in that: The mounting bracket has two spaced-apart support rods at one end near the ship. The horizontal drive shaft is located between the two support rods and is rotatably mounted on the two support rods at both ends. The crushing drive is fixed on one of the support rods.
3. The icebreaking device for ships according to claim 2, characterized in that: The mounting bracket has a Y-shaped structure, with the ends of the two support rods connected to an end platform, and the ice-breaking mechanism is mounted on the end platform.
4. The icebreaking device for a ship according to claim 1 or 2, characterized in that: The mounting bracket is an integrally connected carbon steel component.
5. The icebreaking device for a ship according to claim 1 or 3, characterized in that: The crushing drive is a rotary motor, which is directly fixed to the end of the mounting bracket. The rotary drive shaft of the crushing drive is coaxial with the vertical drive shaft and connected by a coupling.
6. The icebreaking device for ships according to claim 2, characterized in that: The ship is equipped with a ship mounting plate on its front side. The ship mounting plate is equipped with two vertically arranged connecting shafts. Each of the two connecting shafts is provided with two protruding plates. Each of the two support rods is provided with a through hole and a relief part that connects laterally to the through hole and is adapted to the shape of the protruding plate. The two connecting shafts are respectively inserted into the through holes of the two support rods, and the two protruding plates on the same support rod abut against the upper and lower sides of the support rod respectively.
7. The icebreaking device for ships according to claim 6, characterized in that: It also includes a rotary driver that drives two connecting shafts.
8. The icebreaking device for ships according to claim 1, characterized in that: The icebreaker blade has a cross-shaped structure, and its diameter is larger than that of the crushing disc.
9. The icebreaking device for ships according to claim 8, characterized in that: The icebreaker blade is made up of two single blades in a cross shape joined together.
10. The icebreaking device for ships according to claim 9, characterized in that: Both blades have recessed locking slots in the middle, and the locking slots of the two blades are aligned to form a locking mechanism.