A cargo hoist for a multipurpose vessel

Abstract

The utility model belongs to multipurpose ship technical field, more specifically, it is related to a kind of multipurpose ship goods hoist device.The left side of the hull side deck (1) is provided with left side moving frame (2), the right side of the hull side deck (1) is provided with right side moving frame (3), left side moving frame (2) upper portion and right side moving frame (3) upper portion are connected by truss beam (4), left side moving frame (2) upper portion is provided with left side hanger (5), left side hanger (5) is provided with left side winch, left side winch is connected left side lifting cable and lifting hook (7), right side moving frame (3) upper portion is provided with right side hanger (8), right side hanger (8) is provided with right side winch, right side winch is connected right side lifting cable and lifting hook (10).The multipurpose ship goods hoist device, realize goods hoisting transfer, improve the coverage of the hull deck, save goods wharf hoisting unloading time period, improve operating efficiency and competitiveness.

Description

Technical Field

[0001] This utility model belongs to the field of multipurpose vessel technology, and more specifically, relates to a multipurpose vessel cargo hoisting device. Background Technology

[0002] Currently, cargo handling on multipurpose vessels is generally handled by onboard cranes or dockside cranes, directly lifting and transferring cargo between the cargo hold (cabin) and the dock, making them highly dependent on cranes. Existing multipurpose vessels have limited lifting equipment design, failing to quickly and effectively cover the ship's deck, thus severely restricting cargo handling and unloading time at the dock, impacting operational efficiency and competitiveness.

[0003] The prior art includes a technology entitled "A Container Cargo Lifting Device for Ships" with publication (announcement) number "CN113619735A". This technology discloses a container cargo lifting device for ships, which relates to the technical field. The invention includes a limiting rod, a top plate, fixing blocks, a motor box, and screws. Fixing blocks are provided at the four corners of the bottom of the top plate. The front and rear ends of the four fixing blocks are movably connected to screws through bearings. When the top rod 136 contacts the hole walls at the four corners of the top of the container, it can fix the container. The movement of the lifting box 13 causes the moving rod c3 on the right side of the top rod 136 to retract into the interior of the top rod 136 under pressure. The moving rod c3 will squeeze the rubber ball c6 inside the groove c2. The rubber ball c6 will expand into the left and right inner walls of the groove c2 under pressure. The locking rods c1 at the left and right ends of the top rod 136 will extend out of the interior of the groove c2 through the expansion of the rubber ball c6, so that the locking rods c1 will be locked into the inner wall of the hole, preventing them from falling off and causing danger when lifting the container.

[0004] However, this technology does not address the technical issues and solutions of this application. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a multi-purpose ship cargo lifting device that addresses the shortcomings of the existing technology, enables cargo lifting and transfer, increases the coverage of the ship's deck, saves cargo dock lifting and unloading time, and improves operational efficiency and competitiveness.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: This utility model is a multi-purpose ship cargo lifting device. A left movable frame is set on the left side deck of the ship's hull, and a right movable frame is set on the right side deck of the ship's hull. The upper parts of the left and right movable frames are connected by a truss beam. A left lifting frame is set on the upper part of the left movable frame, and a left winch is set on the left lifting frame. The left winch is connected to the left lifting cable and hook. A right lifting frame is set on the upper part of the right movable frame, and a right winch is set on the right lifting frame. The right winch is connected to the right lifting cable and hook.

[0007] A hatch is located between the left and right side decks of the hull, with a compartment below the hatch. A hatch cover is installed at the hatch location, and the side decks and hatch covers on both sides form the hull deck.

[0008] The hatch cover includes multiple hatch cover assemblies, each hatch cover assembly having a left-side support limit at the left-side support limit step position on the left side of the hatch, and each hatch cover assembly having a right-side support limit at the right-side support limit step position on the right side of the hatch.

[0009] The left winch includes a left winch winding wheel and multiple left winding wheels. The left winch winding wheel is mounted on the left movable frame, and the multiple left winding wheels are mounted on the left hanger. The left lifting cable and hook released by the left winch winding wheel extend around the left winding wheels to the lower front end of the left hanger.

[0010] The right-side winch includes a right-side winch winding reel and multiple right-side winding reels. The right-side winch winding reel is mounted on the right-side movable frame, and the multiple right-side winding reels are mounted on the right-side hanger. The right-side lifting cable and hook released by the right-side winch winding reel pass around the right-side winding reels and extend to the lower front end of the right-side hanger.

[0011] The upper part of the left movable frame and the left hanging frame are movably connected by a rotary motor. A hydraulic support rod is provided between the left movable frame and the left hanging frame. The left movable frame, the left hanging frame and the hydraulic support rod are movably connected.

[0012] The upper part of the right movable frame and the right hanger are movably connected by a rotary motor. A hydraulic support rod is provided between the right movable frame and the right hanger. The right movable frame, the right hanger and the hydraulic support rod are movably connected.

[0013] The left-side movable frame is equipped with casters at its lower part, which are located within limiting grooves on the hull deck. The right-side movable frame is also equipped with casters at its lower part, which are located within limiting grooves on the hull deck.

[0014] The working principle and beneficial effects of this utility model are as follows: The multi-purpose ship cargo hoisting device of this utility model has a left movable frame installed on the left side deck of the hull, which can move along the left side deck of the hull from stern to bow. A right movable frame is installed on the right side deck of the hull, which can move along the right side deck of the hull from stern to bow. The upper parts of the left and right movable frames are connected by a truss beam, so the left movable frame, the right movable frame, and the truss beam form an integral frame structure, which effectively ensures the load-bearing capacity. The left-side mobile frame is equipped with a left-side gantry crane, on which a left-side winch is mounted. The left-side winch connects to the left-side lifting slings and hook, and is used for lifting cargo. Similarly, the right-side mobile frame is equipped with a right-side gantry crane, on which a right-side winch is mounted. The right-side winch connects to the right-side lifting slings and hook, and is used for lifting cargo. This allows for simultaneous hatch cover installation and cargo transfer when cargo needs to be transferred from the dock to the ship. Cargo is transported via a transport train that can travel between the ship and the dock. Cargo to be placed in the corresponding location within the hatch is lifted and placed into the hatch using the multi-purpose ship cargo lifting device. After the cargo is placed in the corresponding hatch, the hatch cover above that hatch is installed using the multi-purpose ship cargo lifting device. Finally, cargo is placed on top of the hatch cover using the multi-purpose ship cargo lifting device. Moving the cargo hoisting equipment on a multipurpose vessel to a single location allows for the hoisting and placement of cargo in cabins and on decks, improving transfer efficiency. When hoisting and transferring cargo from the ship's deck to the outside, hatch covers can also be removed simultaneously. Both cargo and hatch cover transfers are accomplished using a transport train in conjunction with the hoisting equipment. Attached Figure Description

[0015] The following is a brief explanation of the contents depicted in the accompanying drawings and the markings therein: Figure 1 This is a schematic diagram of the structure of the multipurpose ship cargo lifting device described in this utility model; Figure 2 This is a schematic diagram of the structure of the multipurpose ship cargo lifting device described in this utility model; Figure 3 This is a schematic diagram of the structure of the multipurpose ship cargo lifting device described in this utility model; The labels in the attached diagram are as follows: 1. Side deck of the hull; 2. Portal movable frame; 3. Starboard movable frame; 4. Truss beam; 5. Portal gantry; 6. Portal winch reel; 7. Portal lifting sling and hook; 8. Starboard gantry; 9. Starboard winch reel; 10. Starboard lifting sling and hook; 11. Compartment; 12. Hatch cover; 13. Portal spool; 14. Starboard spool; 15. Hydraulic rod; 16. Portal support limiting step; 17. Starboard support limiting step; 18. Train track. Detailed Implementation

[0016] The following description, with reference to the accompanying drawings, provides a more detailed explanation of the specific embodiments of this utility model, including the shape and structure of each component, the relative positions and connections between the parts, the functions and working principles of each part: As attached Figure 1 -Appendix Figure 3As shown, this utility model is a multi-purpose ship cargo lifting device. A left-side movable frame 2 is installed on the left-side deck 1 of the ship's hull, and a right-side movable frame 3 is installed on the right-side deck 1 of the ship's hull. The upper parts of the left-side movable frame 2 and the upper parts of the right-side movable frame 3 are connected by a truss beam 4. A left-side lifting frame 5 is installed on the upper part of the left-side movable frame 2, and a left-side winch is installed on the left-side lifting frame 5. The left-side winch is connected to a left-side lifting cable and hook 7. A right-side lifting frame 8 is installed on the upper part of the right-side movable frame 3, and a right-side winch is installed on the right-side lifting frame 8. The right-side winch is connected to a right-side lifting cable and hook 10. This structure addresses the shortcomings of existing technologies by proposing an improved technical solution. In the structural design, a left movable frame 2 is installed on the left hull side deck 1, which can move along the left hull side deck 1 from stern to bow. A right movable frame 3 is installed on the right hull side deck 1, which can move along the right hull side deck 1 from stern to bow. The upper parts of the left movable frame 2 and the right movable frame 3 are connected by a truss beam 4. Thus, the left movable frame 2, the right movable frame 3, and the truss beam 4 form an integral frame structure, effectively ensuring gravity bearing capacity. The left movable frame 2 is equipped with a left gantry 5, on which a left winch is mounted. The left winch is connected to a left lifting sling and hook 7, used for raising and lowering the left lifting sling and hook 7, which is used for lifting cargo. The right movable frame 3 is equipped with a right gantry 8, on which a right winch is mounted. The right winch is connected to a right lifting sling and hook 10, used for raising and lowering the right lifting sling and hook 10, which is used for lifting cargo. Thus, when cargo needs to be transferred from the dock to the ship, hatch covers can be installed while cargo is being transferred. Cargo is transported via a transport train that can travel between the ship and the dock. Cargo to be placed in the corresponding position in the compartment is lifted and placed into the compartment using a multi-purpose ship cargo lifting device. After the cargo in the corresponding compartment is placed, the hatch cover above that compartment is installed using the multi-purpose ship cargo lifting device. Then, cargo is placed on top of the hatch cover using the multi-purpose ship cargo lifting device. The multi-purpose vessel cargo lifting device, when moved to a single location, enables the lifting and placement of cargo from cabins and decks, improving transfer efficiency. When lifting and transferring cargo from the ship's deck to the outside, hatch covers can be removed simultaneously. Both cargo and hatch cover transfers are completed using a transport train in conjunction with the lifting device. This multi-purpose vessel cargo lifting device, as described in this invention, enables cargo lifting and transfer, increases coverage of the ship's deck, saves time during cargo handling and unloading at the dock, and improves operational efficiency and competitiveness.

[0017] A hatch is located between the left and right side decks 1 of the hull. Below the hatch is a compartment 11, and a hatch cover 12 is installed at the hatch position. The side decks 1 and hatch covers 12 on both sides form the hull deck. In this structure, both the compartment and the hull deck can be used to place cargo. After cargo is placed in the compartment, the hatch cover 12 is installed to form the hull deck.

[0018] The hatch cover 12 includes multiple hatch cover assemblies. Each hatch cover assembly is supported and limited on the left side at the left support limiting step 16 on the left side of the hatch, and each hatch cover assembly is supported and limited on the right side at the right support limiting step 17 on the right side of the hatch. This structure ensures that the hatch cover assemblies are reliably supported and positioned, forming a structurally reliable hull deck.

[0019] The left-side winch includes a left-side winch reel 6 and multiple left-side winding reels 13. The left-side winch reel 6 is mounted on the left-side movable frame 2, and the multiple left-side winding reels 13 are mounted on the left-side lifting frame 5. The left-side lifting sling and hook 7, released from the left-side winch reel 6, pass over the left-side winding reels 13 and extend to the lower front end of the left-side lifting frame 5. In this structure, the left-side winch reel 6 is connected to a motor, which is fixed to the left-side movable frame 2. The motor rotates in different directions to release and retract the cable, facilitating the lifting or lowering of goods by the left-side lifting sling and hook 7.

[0020] The right-side winch includes a right-side winch reel 9 and multiple right-side winding reels 14. The right-side winch reel 9 is mounted on the right-side movable frame 3, and the multiple right-side winding reels 14 are mounted on the right-side lifting frame 7. The right-side lifting sling and hook 10 released from the right-side winch reel 9 pass over the right-side winding reels 13 and extend to the lower front end of the right-side lifting frame 8. In this structure, the right-side winch reel 9 is connected to a motor, which is fixed to the right-side movable frame 3. The motor rotates in different directions to release and retract the cable, facilitating the lifting or lowering of goods by the right-side lifting sling and hook 10.

[0021] The upper part of the left movable frame 2 and the left gantry 5 are movably connected by a rotary motor. A hydraulic support rod 15 is installed between the left movable frame 2 and the left gantry 5, and the left movable frame 2, the left gantry 5, and the hydraulic support rod 15 are movably connected. With this structure, the left gantry 5 can rotate within a certain range in the horizontal direction, thus expanding its coverage area. In this way, the lifting device can be extended from the ship's deck to the dock for cargo transfer. The hydraulic support rod 15 reliably supports the left gantry 5 during lifting, ensuring that the load-bearing capacity of the left gantry 5 meets the requirements.

[0022] The upper part of the right-side movable frame 3 and the right-side gantry 8 are movably connected by a rotary motor. A hydraulic support rod 15 is installed between the right-side movable frame 3 and the right-side gantry 8, and the right-side movable frame 3, the right-side gantry 8, and the hydraulic support rod 15 are movably connected. With this structure, the right-side gantry 8 can rotate within a certain range in the horizontal direction, thus expanding its coverage area. In this way, the lifting device can be extended from the ship's deck to the dock for cargo transfer. The hydraulic support rod 15 reliably supports the right-side gantry 8 during lifting, ensuring that the load-bearing capacity of the right-side gantry 8 meets the requirements.

[0023] The left-side mobile frame 2 is equipped with casters at its lower part, which are located within limiting grooves on the ship's deck 1. Similarly, the right-side mobile frame 3 is equipped with casters at its lower part, which are also located within limiting grooves on the ship's deck 1. This structure, with multiple casters at the lower part of the mobile frames, ensures the stability of the mobile frames during lifting by having each caster contact the deck.

[0024] The present invention has been described above with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any improvements made using the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A multi-purpose ship cargo lifting device, characterized in that: A left-side mobile frame (2) is installed on the left-side hull side deck (1), and a right-side mobile frame (3) is installed on the right-side hull side deck (1). The upper parts of the left-side mobile frame (2) and the upper parts of the right-side mobile frame (3) are connected by a truss beam (4). A left-side gantry (5) is installed on the upper part of the left-side mobile frame (2), and a left-side winch is installed on the left-side gantry (5). The left-side winch is connected to the left-side lifting cable and hook (7). A right-side gantry (8) is installed on the upper part of the right-side mobile frame (3), and a right-side winch is installed on the right-side gantry (8). The right-side winch is connected to the right-side lifting cable and hook (10).

2. The multipurpose ship cargo lifting device according to claim 1, characterized in that: A hatch is provided between the left hull side deck (1) and the right hull side deck (1). Below the hatch is a cabin (11). A hatch cover (12) is provided at the hatch position. The hull side decks (1) and the hatch cover (12) on both sides form the hull deck.

3. The multipurpose ship cargo lifting device according to claim 2, characterized in that: The hatch cover (12) includes multiple hatch cover assemblies, each hatch cover assembly having a left support limit at the left support limit step (16) on the left side of the hatch, and each hatch cover assembly having a right support limit at the right support limit step (17) on the right side of the hatch.

4. The multipurpose ship cargo lifting device according to claim 1 or 2, characterized in that: The left winch includes a left winch winding wheel (6) and multiple left winding wheels (13). The left winch winding wheel (6) is mounted on the left movable frame (2), and the multiple left winding wheels (13) are mounted on the left hanger (5). The left lifting cable and hook (7) released by the left winch winding wheel (6) pass around the left winding wheels (13) and extend to the lower front end of the left hanger (5).

5. The multipurpose ship cargo lifting device according to claim 4, characterized in that: The right winch includes a right winch winding wheel (9) and multiple right winding wheels (14). The right winch winding wheel (9) is mounted on the right movable frame (3), and the multiple right winding wheels (14) are mounted on the right hanger (8). The right lifting cable and hook (10) released by the right winch winding wheel (9) pass around the right winding wheels (14) and extend to the lower front end of the right hanger (8).

6. The multipurpose ship cargo lifting device according to claim 1 or 2, characterized in that: The upper part of the left movable frame (2) and the left hanging frame (5) are movably connected by a rotary motor. A hydraulic support rod (15) is provided between the left movable frame (2) and the left hanging frame (5). The left movable frame (2), the left hanging frame (5) and the hydraulic support rod (15) are movably connected.

7. The multipurpose ship cargo lifting device according to claim 1 or 2, characterized in that: The upper part of the right movable frame (3) and the right hanger (8) are movably connected by a rotary motor. A hydraulic support rod (15) is provided between the right movable frame (3) and the right hanger (8). The right movable frame (3), the right hanger (8) and the hydraulic support rod (15) are movably connected.

8. The multipurpose ship cargo lifting device according to claim 1 or 2, characterized in that: The left-side mobile frame (2) is equipped with a mobile wheel at its lower part, and the mobile wheel is located in the limiting groove on the side deck (1) of the hull.

9. The multipurpose ship cargo lifting device according to claim 1 or 2, characterized in that: The right-side mobile frame (3) is equipped with a mobile wheel at its lower part, and the mobile wheel is located in the limiting groove on the side deck (1) of the hull.

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