Hatch cover opening and closing mechanism for ship
By using a servo motor-driven gear plate mechanism and a limit wheel slide design, the problems of easy damage and high frictional resistance of the hydraulic cylinder hatch cover at low temperatures are solved, achieving smooth opening and closing of the hatch cover and airtightness, thus improving the ship's sailing efficiency and reliability.
Patent Information
- Application Number
- CN202520255576.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-17
AI Technical Summary
When the hydraulic cylinder opens and closes the hatch cover, the hatch cover is in a vertical position, which increases the frictional resistance of the hull and is easily damaged in low temperature environments, affecting the reliability of the hull's operation and use.
The system employs a servo motor to drive a gear and toothed plate mechanism. The meshing of the gear and toothed plate drives the connecting frame and the cover to move, achieving smooth opening and closing of the hatch. Combined with the limit wheel rolling in the slide, frictional resistance is reduced, and electromagnets and sealing gaskets are used to improve airtightness.
Maintaining smooth opening and closing of the hatch cover in low-temperature environments reduces frictional resistance, improves usability, ensures the hatch cover is not damaged under low-temperature conditions, enhances airtightness, and prevents water and gas from entering the ship's hold.
Smart Images

Figure CN223781330U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of hatch covers, in particular to a ship hatch cover opening and closing mechanism. BACKGROUND
[0002] The hatch cover is an indispensable part of the ship structure, which is mainly used for closing and protecting the space inside the ship cabin, and when loading and unloading goods inside the ship, the hatch cover needs to be opened. In order to make the opening and closing of the hatch cover more convenient and efficient, an opening and closing mechanism is used to open the hatch cover.
[0003] Among them, when the hatch cover is opened and closed, a hydraulic cylinder is usually used to open and close the hatch cover. During the opening and closing process, the hydraulic oil pump provides pressure to send hydraulic oil into the hydraulic cylinder. The hydraulic cylinder piston is subjected to pressure, which pushes the hatch cover around the shaft to move to the vertical state, which can realize opening. Conversely, when closing the hatch cover, the valve is controlled to change the flow direction of the hydraulic oil, and the oil in the hydraulic cylinder is discharged. The hatch cover is in the flush state around the shaft under the action of gravity or other auxiliary force, which can realize closing.
[0004] However, during the opening and closing process of the hydraulic cylinder, the hatch cover will be in a vertical state when opened, which will increase the frictional resistance between the ship body and the air when the hatch cover is opened to take or place goods during the ship body running, thereby affecting the running of the ship body. And the hydraulic cylinder is used in low temperature environment, the viscosity of the internal lubricating oil will increase at low temperature, which will easily cause the cylinder to move slowly, jam, even cause damage, and affect the opening of the hatch cover.
[0005] Therefore, the utility model provides a ship hatch cover opening and closing mechanism to solve the above problems. UTILITY MODEL CONTENTS
[0006] In order to solve the above technical problems, the utility model provides the following technical scheme:
[0007] A ship hatch cover opening and closing mechanism, comprising a hatch cylinder, the top of the hatch cylinder is movably connected with a cover body, the front end and the rear end of one side of the bottom of the cover body are provided with limit wheels, the front end and the rear end of the top of the hatch cylinder are provided with sliding ways, the front surface of the hatch cylinder is fixedly connected with a connecting box, the front surface of the inner cavity of the connecting box is fixedly connected with a servo motor, the output shaft of the servo motor is drivingly connected with a gear, the top of the gear is engaged with a toothed plate, the top of the toothed plate is fixedly connected with a connecting frame, and the other end of the connecting frame is fixedly connected with the cover body.
[0008] Further, in the utility model, one side of the cover body is fixedly connected with first electromagnet, one side of the cabin is fixedly connected with the rack, and one side of the rack is fixedly connected with second electromagnet, the first electromagnet and second electromagnet are magnetically connected, and the input end of the first electromagnet, second electromagnet and servo motor is connected with the output end of external controller.
[0009] Further, in the utility model, the top of the cover body is fixedly connected with the flow guide plate, the bottom of the cover body is fixedly connected with the sealing gasket, and the bottom of the sealing gasket is in contact with the top of the cabin, and the size of the flow guide plate is greater than the size of the cabin and the cover body.
[0010] Further, in the utility model, the top of the connecting box is provided with a through groove, the connecting frame penetrates the inner cavity of the through groove and is in sliding connection with the inner cavity of the through groove.
[0011] Further, in the utility model, the bottom of the limiting wheel extends to the inner cavity of the slide and is in sliding connection with the inner cavity of the slide, the bottom of the cabin is fixedly connected with the mounting plate, the cabin is in communication with the mounting plate, the top of the mounting plate is provided with a mounting hole, one side of the connecting box is provided with a round hole, the toothed plate penetrates the round hole and is in movable connection with the inner cavity of the round hole.
[0012] Further, in the utility model, the bottom of the toothed plate is fixedly connected with the limiting plate, the bottom of the inner cavity of the connecting box is provided with a limiting groove, the bottom of the limiting plate extends to the inner cavity of the limiting groove and is in sliding connection with the inner cavity of the limiting groove.
[0013] Beneficial effects, the utility model has the following beneficial effects:
[0014] The output shaft of the servo motor drives the gear to rotate forward, since the gear and the toothed plate are engaged, the gear can drive the toothed plate to move to one side in the rotating process, the toothed plate drives the connecting frame to move to one side, the connecting frame drives the cover body and the limiting wheel to gradually move to one side, the cover body gradually moves away from or approaches the cabin, the cabin can be exposed or shielded, the opening or closing of the cabin is realized, the limiting wheel rolls in the inner cavity of the slide when moving, the resistance of the cover body when moving is reduced, the opening and closing of the cover body to the cabin is facilitated, the cover body opens or closes the cabin in a smooth way, the cover body is always in the flush state, the resistance to air when opening or closing is reduced, the servo motor, the gear and the toothed plate are used for transmission, the damage caused by low temperature is avoided when used in low temperature environment, and the adaptability is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the structure schematic view of the utility model;
[0016] Figure 2Is the cover and the slide separation state structure schematic diagram of the utility model;
[0017] Figure 3 Is the cover and the guide plate separation state structure schematic diagram of the utility model;
[0018] Figure 4 Is the utility model connection box section view state structure schematic diagram.
[0019] In the drawing,
[0020] 1, cabin cylinder;2, cover;3, limit wheel;4, slide;5, connection box;6, servo motor;7, gear;8, tooth plate;9, connecting frame;10, first electromagnet;11, rack;12, second electromagnet;13, guide plate;14, gasket;15, through slot;16, limit plate;17, limit slot;18, mounting plate. Specific implementation
[0021] In order to more understand the technical content of the utility model, specific examples are raised and the following is described with the aid of accompanying drawings.The aspects of the utility model are described in the disclosure with reference to the accompanying drawings, and many embodiments of the description are shown in the drawings.The embodiments of the disclosure are not necessarily defined in all aspects including the utility model.It should be understood that the various concepts and embodiments introduced above, and those concepts and embodiments described in more detail below, can be implemented in any one of many ways, because the concepts and embodiments disclosed by the utility model are not limited to any implementation manner.In addition, some aspects of the utility model can be used alone, or used in any appropriate combination with other aspects of the utility model.
[0022] Embodiment 1
[0023] As Figures 1-4 shown, the first embodiment of the utility model provides a ship cabin cover opening and closing mechanism, which comprises a cabin cylinder 1, the top of the cabin cylinder 1 is movably connected with a cover 2, the front end and the rear end of one side of the bottom of the cover 2 are provided with limit wheels 3, the front end and the rear end of the top of the cabin cylinder 1 are provided with slides 4, the front surface of the cabin cylinder 1 is fixedly connected with a connection box 5, and the front surface of the inner cavity of the connection box 5 is fixedly connected with a servo motor 6, the output shaft of the servo motor 6 is drivingly connected with a gear 7, and the top of the gear 7 is engaged with a tooth plate 8, the top of the tooth plate 8 is fixedly connected with a connecting frame 9, and the other end of the connecting frame 9 is fixedly connected with the cover 2.
[0024] As Figures 1-4As shown, the output shaft of the servo motor 6 drives the gear 7 to rotate forward, and since the gear 7 and the toothed plate 8 are engaged, the gear 7 drives the toothed plate 8 to move to one side during rotation, and the toothed plate 8 drives the connecting frame 9 to move to one side, so that the connecting frame 9 drives the cover body 2 and the limiting wheel 3 to gradually move to one side, so that the cover body 2 gradually moves away from the cabin barrel 1, and the cabin barrel 1 is exposed, so as to realize the opening of the cabin barrel 1. Conversely, the output shaft of the servo motor 6 drives the gear 7 to rotate reversely, and then the gear 7 drives the toothed plate 8, the connecting frame 9 and the cover body 2 to move to the other side to shield the cabin barrel 1, thereby realizing the closing of the cabin barrel 1. When the limiting wheel 3 moves, it rolls in the inner cavity of the slide 4, thereby reducing the resistance of the cover body 2 during movement, facilitating the opening and closing of the cover body 2 to the cabin barrel 1. The cover body 2 opens or closes the cabin barrel 1 in a smooth manner, which not only reduces the resistance of the air, but also uses the transmission of the servo motor 6, the gear 7 and the toothed plate 8, so that it can be used in low-temperature environment without damage due to low temperature, thereby improving the adaptability of use.
[0025] Embodiment 2
[0026] Referring to Figures 1-3 As a second embodiment of the utility model, the embodiment is based on the previous embodiment.
[0027] In the embodiment, the cover body 2 is fixedly connected with a first electromagnet 10 on one side, the cabin barrel 1 is fixedly connected with a placing rack 11 on one side, and the placing rack 11 is fixedly connected with a second electromagnet 12 on one side. The first electromagnet 10 and the second electromagnet 12 are magnetically connected, and the first electromagnet 10, the second electromagnet 12 and the input end of the servo motor 6 are connected with the output end of the external controller.
[0028] The top of the cover body 2 is fixedly connected with a flow guide plate 13, and the bottom of the cover body 2 is fixedly connected with a sealing gasket 14, and the bottom of the sealing gasket 14 is in contact with the top of the cabin barrel 1. The size of the flow guide plate 13 is greater than the size of the cabin barrel 1 and the cover body 2.
[0029] The top of the connecting box 5 is provided with a through slot 15, and the connecting frame 9 penetrates the inner cavity of the through slot 15 and is in sliding connection with the inner cavity of the through slot 15.
[0030] As Figures 1-3As shown, when external water falls on the cabin barrel 1 and the cover 2, the water is shielded by the deflector 13, and the deflector 13 can guide the water flow falling on the top to slide down along the edge of the deflector 13. Since the deflector 13 is larger than the cabin barrel 1 and the cover 2, the water flow can be effectively prevented from falling on the cabin barrel 1 and the cover 2 when sliding down. The sealing gasket 14 seals the connection between the cabin barrel 1 and the cover 2, prevents external airflow and water from entering the cabin barrel 1, and prevents the airflow and water from entering the cabin through the cabin barrel 1, thereby improving the air tightness. When the connecting frame 9 moves, it will slide along the inner cavity of the through slot 15, thereby limiting the movement track of the connecting frame 9 and preventing the connecting frame 9 from being dislocated when moving.
[0031] Embodiment 3
[0032] Referring to Figure 2 and 4 , this is the third embodiment of the present application, which is based on the previous two embodiments.
[0033] In this embodiment, the bottom of the limiting wheel 3 extends to the inner cavity of the slide 4 and is slidably connected with the inner cavity of the slide 4. The bottom of the cabin barrel 1 is fixedly connected with a mounting plate 18, the cabin barrel 1 is in communication with the mounting plate 18, and a mounting hole is formed in the top of the mounting plate 18. A circular hole is formed in one side of the connecting box 5, and the tooth plate 8 penetrates through the circular hole and is movably connected with the inner cavity of the circular hole.
[0034] The bottom of the tooth plate 8 is fixedly connected with a limiting plate 16, and a limiting groove 17 is formed in the bottom of the inner cavity of the connecting box 5. The bottom of the limiting plate 16 extends to the inner cavity of the limiting groove 17 and is slidably connected with the inner cavity of the limiting groove 17.
[0035] As shown in Figure 2 and 4 , the mounting plate 18 facilitates the fixation of the cabin barrel 1 on the cabin. The limiting wheel 3 slides in the inner cavity of the slide 4, which not only ensures the stability of the sliding track of the limiting wheel 3 but also reduces the movement resistance. When the tooth plate 8 slides, the tooth plate 8 drives the limiting plate 16 to slide in the inner cavity of the limiting groove 17, so that the tooth plate 8 moves along the track of the inner cavity of the limiting groove 17. This not only limits the tooth plate 8 but also ensures the stability of the tooth plate 8 when moving. The circular hole facilitates the movement of the tooth plate 8 to the outside of the connecting box 5, preventing the tooth plate 8 from being located in the inner cavity of the connecting box 5 and being limited in movement.
[0036] In use, first by the cover 2 on the cabin cylinder 1 is closed, through the deflector 13 can be on the top of the deflector 13 water flow diversion, make the water flow along the edge of the deflector 13 down, effectively prevent the water flow on the cabin cylinder 1 and cover 2 on the case, and sealing gasket 14 on the cabin cylinder 1 and cover 2 sealing joint, prevent external airflow and water into the cabin cylinder 1, and through the cabin cylinder 1 into the cabin interior, improve the air tightness, when need to open the cabin cylinder 1, through the external controller on the first electromagnet 10 and the second electromagnet 12 power off, and then the first electromagnet 10 and the second electromagnet 12 contact magnetic connection, followed by the external controller start servo motor 6, servo motor 6 output shaft drive gear 7 positive rotation, because the gear 7 and the gear plate 8 meshing, and then the gear 7 in the process of rotation can drive the gear plate 8 to one side movement, the gear plate 8 will drive the connecting frame 9 to one side movement, make the connecting frame 9 drive cover 2 and limit wheel 3 gradually to one side movement, make the cover 2 will gradually away from the cabin cylinder 1, make the cabin cylinder 1 lose shelter, in this way realize the opening of the cabin cylinder 1, otherwise through the external controller start the first electromagnet 10, the second electromagnet 12 and servo motor 6, make the first electromagnet 10 and the second electromagnet 12 power on generate magnetic force, and the output shaft of servo motor 6 drive gear 7 reverse rotation, and then the gear 7 will drive the gear plate 8, connecting frame 9 and cover 2 to the other side movement, make the cover 2 gradually close to the cabin cylinder 1, and cover 2 will drive the first electromagnet 10 and the second electromagnet 12 contact, realize the magnetic connection, further ensure the cabin cylinder 1 and cover 2 connection firmness, in this way realize the closure of the cabin cylinder 1, through the limit wheel 3 in the movement, will roll in the slide 4 inner cavity, and then can reduce the resistance when the cover 2 movement, facilitate the cover 2 on the cabin cylinder 1 open and close, through the cover 2 in a smooth way to open or close the cabin cylinder 1, not only will reduce the resistance with air, and adopt servo motor 6, gear 7 and gear plate 8 transmission, can be used in low temperature environment, will not be damaged due to low temperature, thereby improving the adaptability of use.
[0037] The standard parts used in the present application can be purchased from the market, and can be ordered according to the description and drawings. The specific connection of each part adopts the conventional means of bolt, rivet and welding in the prior art. The mechanical parts and equipment adopt the conventional type in the prior art. The control mode is automatically controlled by the controller. The control circuit of the controller can be realized by simple programming of the person skilled in the art, which belongs to the common knowledge in the art. The present application is mainly used to protect the mechanical device, so the control mode and circuit connection are not explained in detail.
[0038] Although the utility model has disclosed as above with preferable embodiments, it is not used to limit the utility model. Those skilled in the art to which the utility model belongs can make various changes and decorations without departing from the spirit and scope of the utility model. Therefore, the protection scope of the utility model is accurate according to the definition of the claims.
Claims
1. A hatch cover opening and closing mechanism for a ship comprising a hatch cylinder (1), characterized in that: The top of the cabin (1) is movably connected with a cover (2), the front end and the rear end of the bottom of the cover (2) are provided with limit wheels (3), the top of the cabin (1) is provided with a slide (4) at the front end and the rear end, the front surface of the cabin (1) is fixedly connected with a connecting box (5), the front surface of the inner cavity of the connecting box (5) is fixedly connected with a servo motor (6), the output shaft of the servo motor (6) is drivingly connected with a gear (7), the top of the gear (7) is engaged with a toothed plate (8), the top of the toothed plate (8) is fixedly connected with a connecting frame (9), and the other end of the connecting frame (9) is fixedly connected with the cover (2).
2. A hatch cover opening and closing mechanism according to claim 1, characterized in that: One side of the cover (2) is fixedly connected with a first electromagnet (10), one side of the cabin (1) is fixedly connected with a placing rack (11), one side of the placing rack (11) is fixedly connected with a second electromagnet (12), the first electromagnet (10) and the second electromagnet (12) are magnetically connected, the first electromagnet (10), the second electromagnet (12) and the input end of the servo motor (6) are connected with the output end of the external controller.
3. The hatch cover opening and closing mechanism according to claim 1, characterized in that: The top of the cover (2) is fixedly connected with a guide vane (13), the bottom of the cover (2) is fixedly connected with a sealing gasket (14), the bottom of the sealing gasket (14) is in contact with the top of the cabin (1), and the size of the guide vane (13) is greater than the size of the cabin (1) and the cover (2).
4. The hatch cover opening and closing mechanism according to claim 1, characterized in that: The top of the connecting box (5) is provided with a through groove (15), the connecting frame (9) penetrates the inner cavity of the through groove (15) and is slidably connected with the inner cavity of the through groove (15).
5. The hatch cover opening and closing mechanism according to claim 1, characterized in that: The bottom of the limit wheel (3) extends to the inner cavity of the slide (4) and is slidably connected with the inner cavity of the slide (4), the bottom of the cabin (1) is fixedly connected with a mounting plate (18), the cabin (1) is connected with the mounting plate (18), the top of the mounting plate (18) is provided with a mounting hole, one side of the connecting box (5) is provided with a circular hole, the toothed plate (8) penetrates the circular hole and is movably connected with the inner cavity of the circular hole.
6. The hatch cover opening and closing mechanism according to claim 1, characterized in that: The bottom of the toothed plate (8) is fixedly connected with a limiting plate (16), the bottom of the inner cavity of the connecting box (5) is provided with a limiting groove (17), the bottom of the limiting plate (16) extends to the inner cavity of the limiting groove (17) and is slidably connected with the inner cavity of the limiting groove (17).