Large container ship engine room hanging cover

By using an electrically operated cargo cover, combined with a hinge, electric winch, and locking mechanism, the problem of inconvenient operation of cargo covers in the engine room of container ships has been solved, enabling fast and safe operation of the cargo cover and avoiding crane occupation and spare parts damage.

CN223672742UActive Publication Date: 2025-12-16JIANGSU YANGZI XINFU SHIPBUILDING CO LTD
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Patent Information

Application Number
CN202520292065.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2025-12-16
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

The existing container ship engine room hoisting covers are inconvenient to open and close, especially when hoisting large spare parts, which requires the removal of a large number of bolts, consuming crane time and easily causing damage to spare parts.

Method used

The lifting cover is electrically operated and connected to the lifting opening via a hinge. The opening and closing of the lifting cover is achieved using an electric winch and pulley system. The cover is secured by a locking mechanism, limit post, and fixing post to ensure its stability and sealing, eliminating the need for bolt removal.

Benefits of technology

It enables quick opening and closing of the lifting cover, saving operation time, improving safety, avoiding crane occupation and spare parts damage, and enhancing operational convenience and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of shipbuilding, and provides a large container ship engine room hoisting cover. One side edge of the object lifting cover is correspondingly hinged to one side edge of an object lifting opening of the cabin through a pair of hinges, a plurality of lock catches are installed on the four side edges of the object lifting cover respectively, a lifting lug is fixedly welded to the center of the top of the side, opposite to the hinged side, of the object lifting cover, and the lifting lug is connected with an electric winch; the electric winch is fixedly installed on the deck, a steel cable of the electric winch is connected with the lifting lug through a pulley block, and a limiting column and a pair of fixing columns are installed on the side, close to the hinged side of the object lifting cover, of the deck. One edge of the object lifting cover is installed at the object lifting opening in a hinged mode, the object lifting cover is opened through the winch, a crane can be prevented from being used, the time of the crane does not need to be occupied, and time waste caused by waiting for the crane is not needed. The four edges of the object hanging cover and the ribs on the inner side of the object hanging opening are locked and unlocked through the lock catches, unlocking can be rapidly achieved, bolts are prevented from being disassembled, and the workload is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to shipbuilding field, concretely relates to large container ship engine room lifting cover. BACKGROUND

[0002] The container engine room lifting cover is mainly used for hoisting main engine equipment, spare parts and the like, and when the ship is berthing at the wharf, the lifting cover is opened and hoisted into the cabin by the crane. The existing lifting cover generally installs a small hatch cover on the bolted cover plate, uses the small hatch cover when hoisting small spare parts, and needs to remove nearly one hundred bolts when hoisting large spare parts, and then uses the crane to move away the small hatch cover together with the cover plate, which needs the crew to spend a lot of time and is extremely inconvenient to operate. There are many situations where the crane needs to be used when the ship is berthing at the wharf, and the removal of the bolts will occupy a large amount of time of the crane, and the small hatch cover is also prone to collision when hoisting the spare parts, causing secondary damage to the spare parts.

[0003] With the development of large-scale ships, various equipment matched therewith is also increased accordingly, the increase of main engine power also leads to larger size of main engine spare parts, and the size of the engine room lifting cover is also increasing. The existing lifting cover is very inconvenient to open and close, and it is imperative to design a lifting cover convenient to operate. SUMMARY

[0004] In order to solve the problem of inconvenient opening of the lifting cover in the prior art, the utility model provides a large container ship engine room lifting cover which is opened by electricity.

[0005] The utility model takes the technical scheme that:

[0006] The large container ship engine room lifting cover comprises a lifting cover, one side of the lifting cover is hingedly connected to one side of a lifting opening of the engine room through a pair of hinges, a plurality of locks are respectively installed on the four sides of the lifting cover, the locks are connected to the side surface of the lifting opening in a matched mode, a lifting lug is fixedly welded to the top center of the side opposite to the hinged side of the lifting cover, and the lifting lug is connected to an electric winch; the electric winch is fixedly installed on a deck, a cable of the electric winch is connected to the lifting lug through a pulley block, the pulley block comprises a pair of upper pulleys and a pair of lower pulleys, the pair of lower pulleys are installed below the pair of upper pulleys in a corresponding mode, the pair of upper pulleys are fixedly installed on a binding platform of the container ship, the pair of lower pulleys are fixedly installed on a hatch coaming of the container ship, the rotating shafts of the lower pulleys are parallel to the rotating shaft of the electric winch and the rotating shaft of the hinge, and the rotating shafts of the upper pulleys are perpendicular to the rotating shafts of the lower pulleys; a limiting column and a pair of fixed columns are installed on the side of the deck of the container ship close to the hinged side of the lifting cover, the limiting column is located at the middle part of the outer side of the hinged side of the lifting cover, and the fixed columns are located at the two sides of the outer side of the hinged side of the lifting cover; after the lifting cover is opened, the limiting column is in limiting cooperation with the top cover plate of the lifting cover, and the fixed columns are in cooperation with the two sides of the lifting cover close to the hinged side.

[0007] Further, the limiting column is provided with a limiting block on the side close to the lifting cover, the limiting block is in contact with the top surface of the lifting cover, a proximity switch is installed on the limiting block, and the proximity switch is connected with the control system of the electric winch.

[0008] Further, two side edges of the lifting cover close to the hinged edge are respectively welded with an ear buckle, the ear buckle is provided with an open hole, a wing bolt is installed on the top of the fixing column, the wing bolt is matched with the open hole and connects and fixes the ear buckle with the fixing column.

[0009] Further, the fixing column is uniformly provided with a plurality of steel cable holes from top to bottom, each steel cable hole is connected with a steel cable, and the other end of the steel cable is detachably connected with the binding platform.

[0010] Further, the lock catch comprises a rotating shaft, the rotating shaft is rotatably supported on the lifting cover through a sleeve, a handle is installed on the upper end of the rotating shaft, a lock hook is installed on the lower end of the rotating shaft, an inner side wall of the lifting port is welded with a circle of ribs, and the top surface of the lock hook is hooked and matched with the bottom surface of the ribs.

[0011] Further, the edge of the bottom of the lifting cover is provided with a circle of sealing rubber grooves, a sealing rubber strip is installed in the sealing rubber groove, and the sealing rubber strip is matched with the edge of the top of the lifting port.

[0012] Still further, a torsional spring is installed on the rotating shaft of the hinge.

[0013] After the above technical solutions are adopted, the beneficial effects of the present application are as follows:

[0014] One edge of the lifting cover is installed at the lifting port in a hinged manner, the opening of the lifting cover is realized through the winch, the use of the crane can be avoided, the time of the crane does not need to be occupied, and the waste of time caused by waiting for the crane is avoided. The four edges of the lifting cover are locked and unlocked with the ribs in the inner side of the lifting port through the lock catch, the locking and sealing of the lifting cover can be ensured in the closed state, the unlocking can be quickly realized before the opening, the bolts do not need to be disassembled, the workload is reduced, and the operation time is saved.

[0015] The lifting cover is opened and limited through the limiting column, the back dumping of the cover plate after excessive opening is avoided, the fixing of the lifting cover after opening is realized through a pair of fixing columns, and the equipment collision and other safety accidents caused by the position change of the lifting cover during the lifting process are avoided. The temporary protection between the fixing rod and the binding platform of the ship body is realized through the steel cable, and the safety during the operation process is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a top view of the present application.

[0017] Figure 2A-A view of the utility model.

[0018] Figure 3 B-B view of the utility model.

[0019] In the drawing: the cover 1 of the thing is hung, the electric winch 2, the hinge 3, the hinge 3, the mouth 4 of the thing is hung, the torsional spring 5, the lock catch 6, the pivot 61, the handle 62, the lock hook 63, the rib 7, the sealing rubber strip 8, the lifting lug 9, the binding platform 10, the upper pulley 11, the lower pulley 12, the limiting column 13, the fixed column 14, the limiting block 15, the ear catch 16, the butterfly bolt 17, the steel cable 18. CONCRETE IMPLEMENTATION

[0020] The following further details the concrete implementation of the utility model in combination with the drawings:

[0021] As Figure 1 The cover of the thing is hung in the large container ship engine room, is installed at the mouth of the thing is hung in the top of the container ship engine room, is composed of the cover 1 of the thing is hung, the electric winch 2, the pulley block, the limiting device and the fixed device, is used for the fixing and opening of the container through the cover of the thing is hung.

[0022] One side of the cover 1 of the thing is hung is installed with the mouth 4 of the thing is hung of the engine room through a pair of hinges 3 rotation connection, the cover 1 of the thing is hung is pulled down around a pair of hinge 3 pivot under the electric winch 2, realizes the opening of the cover 1 of the thing is hung. The pivot of hinge 3 is installed with torsional spring 5, through torsional spring 5 can reduce the pulling force when opening, and forms damping when closing, realizes slow closing, avoids safety accident. A plurality of lock catches 6 are installed on the four side edges of the cover 1 of the thing is hung respectively, through the cooperation and connection of the side surface of lock catch 6 and the mouth 4 of the thing is hung, realizes the locking of the cover of the thing is hung in the closed state.

[0023] Lock catch 6 includes pivot 61, pivot 61 is rotatably supported in the four edges of the cover 1 of the thing is hung through sleeve, pivot 61 is vertically arranged. The upper end of pivot 61 is installed with handle 62, handle 62 can be integrated with pivot 61, handle 62 is located at the top outside of the cover 1 of the thing is hung, the lower end of pivot 61 is installed with lock hook 63, lock hook 63 is fixedly installed on pivot 61 through internal thread and nut. A circle of rib 7 is welded on the inner side wall of the mouth 4 of the thing is hung, the top surface of lock hook 63 and the bottom surface of rib 7 are hooked and pulled together. In the locked state, lock hook 63 hooks rib 7 to realize locking, when rotating handle 90 °, lock hook 63 is separated from rib 7, realizes unlocking. When needing to open the cover 1 of the thing is hung, all handles 62 are rotated 90 °, realize the unlocking of the cover 1 of the thing is hung, then the cover 1 of the thing is hung is opened through the electric winch 2 pulling. After completing the thing is hung, the cover 1 of the thing is hung is reset, handle 62 is rotated, and the locking of the cover 1 of the thing is hung is realized by lock catch 6. The edge of the bottom of the cover 1 of the thing is hung is provided with a circle of sealing rubber groove, sealing rubber strip 8 is installed in sealing rubber groove, sealing rubber strip 8 cooperates with the edge of the top of the mouth 4 of the thing is hung, realizes sealing.

[0024] A lifting lug 9 is fixedly welded on the top center of the side of the cover opposite to the hinged side, and is connected with the electric winch 2 through the lifting lug 9. The electric winch 2 is fixedly installed on the deck and is located on one side of the lashing platform 10. In order to ensure the direction of the cable pulling the cover 1, the cable of the electric winch 2 is connected with the lifting lug 9 through a pulley block. The pulley block is composed of a pair of upper pulleys 11 and a pair of lower pulleys 12. The pair of lower pulleys 12 are installed right below the pair of upper pulleys 11. The pair of upper pulleys 11 are fixedly installed on the lashing platform 10 of the container ship, and the pair of lower pulleys 11 are fixedly installed on the hatch coaming of the container ship. The rotation shafts of the lower pulleys 11 are parallel to the rotation shaft of the electric winch 2 and the rotation shaft of the hinge 3, and the rotation shafts of the upper pulleys 11 are perpendicular to the rotation shafts of the lower pulleys 12. Through the reversing of the pulley block, the winch realizes pulling the cover.

[0025] A limiting post 13 and a pair of fixed posts 14 are installed on the deck of the container ship near the hinged side of the cover 1. The limiting post 13 is located in the middle of the outer side of the hinged side of the cover 1, and the fixed posts 14 are located on both sides of the outer side of the hinged side of the cover 1. The limiting post 13 is provided with a limiting block 15 on the side facing the cover 1. The limiting block 15 is provided with a proximity switch, which is connected with the control system of the electric winch 2. After the cover 1 is opened, the top cover plate of the cover moves to the vertical direction and contacts the limiting block of the limiting post 13. At the same time, the proximity switch sends a signal, and the electric winch 2 stops pulling and self-locks.

[0026] In order to maintain the stability of the cover 1 in the opened state, an ear buckle 16 is welded on each of the two side edges of the cover 1 near the hinged side, and the ear buckle 16 is provided with an open hole. A butterfly bolt 17 is installed on the fixed post 14. In the opened state of the cover 1, the ear buckle 16 corresponds to the butterfly bolt 17, the butterfly bolt 17 cooperates with the open hole and connects and fixes the ear buckle 16 with the fixed post 14, thereby forming the fixation of the cover 1. In order to avoid personnel from entering the engine room after the cover is opened, a plurality of cable holes are uniformly distributed on the fixed post 14 from top to bottom, and each cable hole is connected with a cable 18. The other end of the cable 18 is detachably connected with the lashing platform 10, thereby forming a temporary protection. After the cover is closed, the cable 18 is removed.

Claims

1. A large container ship engine room cargo cover comprising a cargo cover, characterized by, One side of the cover is hingedly connected to one side of the hatch opening of the cabin through a pair of hinges, four sides of the cover are respectively provided with a plurality of buckles, the buckles are connected to the sides of the hatch opening, a lifting lug is fixedly welded to the top center of the side opposite to the hinged side of the cover, and the lifting lug is connected to the electric winch; the electric winch is fixedly installed on the deck, a cable of the electric winch is connected to the lifting lug through a pulley block, the pulley block comprises a pair of upper pulleys and a pair of lower pulleys, the pair of lower pulleys are installed below the pair of upper pulleys, the pair of upper pulleys are fixedly installed on the binding platform of the container ship, the pair of lower pulleys are fixedly installed on the hatch coaming of the container ship, the rotation shafts of the lower pulleys are parallel to the rotation shaft of the electric winch and the rotation shaft of the hinge, and the rotation shafts of the upper pulleys are perpendicular to the rotation shafts of the lower pulleys; a limiting column and a pair of fixed columns are installed on the deck of the container ship close to the side of the cover hinged, the limiting column is located at the middle of the outer side of the hinged side of the cover, and the fixed columns are located on both sides of the outer side of the hinged side of the cover; after the cover is opened, the limiting column is limitedly matched with the top cover plate of the cover, and the fixed columns are matched with the two sides of the cover close to the hinged side.

2. A large container ship machinery space cover according to claim 1, characterized in that The limiting column is provided with a limiting block on the side close to the cover, the limiting block is in contact with the top surface of the cover, a proximity switch is installed on the limiting block, and the proximity switch is connected to the control system of the electric winch.

3. The large container ship machinery hatch cover according to claim 1, wherein, The two sides of the cover close to the hinged side are respectively welded with ear buckles, the ear buckles are provided with open holes, a butterfly bolt is installed on the top of the fixed column, the butterfly bolt is matched with the open holes and connects and fixes the ear buckles and the fixed column.

4. The large container ship machinery space cover according to claim 3, characterized in that, The fixed column is uniformly provided with a plurality of cable holes from top to bottom, and a cable is connected to each cable hole, and the other end of the cable is detachably connected to the binding platform.

5. The large container ship machinery hatch cover according to claim 1, wherein, The buckle comprises a rotation shaft, the rotation shaft is rotatably supported on the cover through a sleeve, a handle is installed on the upper end of the rotation shaft, and a lock hook is installed on the lower end of the rotation shaft, an inner side wall of the hatch opening is welded with a row of ribs, and the top surface of the lock hook is hookingly matched with the bottom surface of the ribs.

6. The large container ship machinery hatch cover according to claim 1, wherein, The edge of the bottom of the cover is provided with a row of sealing rubber grooves, a sealing rubber strip is installed in the sealing rubber groove, and the sealing rubber strip is matched with the edge of the top of the hatch opening.

7. The large container ship machinery hatch cover according to claim 1, wherein, A torsional spring is installed on the rotation shaft of the hinge.