Automatic opening device for ship hatch cover

Abstract

The utility model relates to the technical field of ship hatch covers, and discloses an automatic opening device for ship hatch covers, including a ship cabin, rectangular grooves are provided on both sides of the top of the ship cabin, a fixing mechanism is provided in the rectangular groove, the fixing mechanism includes a bidirectional screw rod rotatably mounted on the inner wall of the rectangular groove, and two clamping blocks are threadedly sleeved on the outer wall of the bidirectional screw rod. The two clamping blocks will approach each other and tightly clamp the rotating rod 2. Such a design not only fixes the position of the rotating rod 2 and prevents it from being displaced or shaken under the action of external forces such as wind and waves, but also enhances the overall stability and safety of the hatch cover system. Compared with the traditional hatch cover system, the clamping force can be accurately controlled by the clamping block driven by the motor to ensure that the rotating rod 2 is firmly fixed, thereby improving the stability and applicability of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of ship hatch covers, and more specifically, to an automatic opening device for a ship hatch cover. Background Art

[0002] Ship hatch covers are an indispensable part of ship structures. Hatch covers are not only the key to protecting the watertightness of the hull, but also an important barrier to ensure the safety of cargo in the cabin. They can withstand various pressures from the external environment, such as the impact of seawater, rain or other liquids, effectively isolating these potential threats outside the cabin and protecting the cargo and equipment in the cabin from damage. Ship hatch covers are usually made of solid steel materials to ensure their strength and durability. These hatch covers are usually composed of several hatch cover plates, each of which can be independently operated as needed to meet the opening and closing needs of different cargo holds. The traditional way of opening and closing hatch covers relies on the moving wheels installed on the hatch covers, which are driven by the driving force to make the hatch covers slide on the track to achieve opening or closing. However, when a ship is sailing at sea, especially when encountering severe weather conditions, wind and waves External factors such as wind and waves may have a serious impact on the normal operation of the hatch cover. The shaking of the hull caused by wind and waves will cause the hatch cover to be subjected to additional forces and moments during the opening or closing process. These additional forces and moments may cause the hatch cover to deviate from the predetermined track or even cause the hatch cover to collide with the hull structure, thereby increasing the difficulty and risk of operation. In addition, if the wind and waves are too strong, the hatch cover may be subjected to strong turbulence after closing. Such turbulence may cause the seal between the hatch cover and the hull structure to fail, allowing seawater or other liquids to penetrate into the cabin, thereby affecting the watertightness of the hull and the safety of the cargo. What's more serious is that if the hatch cover is fully opened during turbulence, the cargo in the cabin will face the risk of direct exposure to the external environment, which may not only cause damage to the cargo, but also have an adverse effect on the overall stability of the ship. Therefore, it needs to be improved and optimized. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model provides an automatic opening device for a ship hatch cover, which has the advantages of smooth opening and closing and good stability.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic opening device for a ship hatch cover, comprising a ship cabin, rectangular grooves are provided on both sides of the top of the ship cabin, a fixing mechanism is arranged in the rectangular groove, the fixing mechanism comprises a bidirectional screw rod rotatably mounted on the inner wall of the rectangular groove, two clamping blocks are threadedly sleeved on the outer wall of the bidirectional screw rod, a motor 1 is fixedly mounted on the inner wall of the bottom of the rectangular groove, a bevel gear 1 is fixedly sleeved on the output shaft of the motor 1, a bevel gear 2 is fixedly sleeved on the outer wall of the bidirectional screw rod, and the bevel gear 2 is meshed with the bevel gear 1.

[0005] As a preferred technical solution of the present utility model, a ship hatch cover is slidably installed on the top of the ship cabin body. Two tooth grooves are formed on the inner wall of the ship hatch cover. Four second rotating rods are respectively and fixedly installed on the outer wall of the ship hatch cover. Moving wheels are respectively and rotatably installed on the outer walls of the four second rotating rods. A switching mechanism is arranged in the ship cabin body. The switching mechanism includes a power assembly, a linkage assembly and a sliding assembly. There are two groups of the sliding assemblies, including a first rotating rod rotatably installed on the inner wall of the ship cabin body. A tooth column is fixedly sleeved on the outer wall of the first rotating rod. The tooth column is meshed with the corresponding tooth groove.

[0006] As a preferred technical solution of the present utility model, there are four groups of the linkage assemblies, including a hydraulic cylinder fixedly installed on the inner wall of the bottom of the rectangular groove. A convex block is fixedly installed on the output shaft of the hydraulic cylinder.

[0007] As a preferred technical solution of the present utility model, there are four groups of the fixing mechanisms, and two of them are symmetrically distributed in pairs.

[0008] As a preferred technical solution of the present utility model, the power assembly includes a second transmission gear fixedly sleeved on the outer wall of the corresponding first rotating rod. A second motor is fixedly installed on the inner wall of the bottom of the rectangular groove. A first transmission gear is fixedly sleeved on the output shaft of the second motor. The first transmission gear is meshed with the second transmission gear. Belts are wound on the outer walls of the two first rotating rods.

[0009] As a preferred technical solution of the present utility model, U-shaped grooves are formed on the tops of both sides of the ship cabin body and on the top of the clamping block. The width value of the U-shaped groove is the same as the width value of the moving wheel.

[0010] As a preferred technical solution of the present utility model, a limiting groove is formed on the inner wall of the rectangular groove. The contact surface of the limiting groove is adapted to the contact surface of the clamping block.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. The utility model starts the motor 1 to drive the rotation of the bevel gear 1 and the bevel gear 2, and then drives the rotation of the bidirectional screw rod, and finally realizes the movement of the two clamping blocks towards or away from each other. When the ship's hatch cover is closed, the motor 1 is started, and the two clamping blocks will move closer to each other and tightly clamp the rotating rod 2. This design not only fixes the position of the rotating rod 2 and prevents it from being displaced or shaken under the action of external forces such as wind and waves, but also enhances the overall stability and safety of the hatch cover system. Compared with the traditional hatch cover system, the clamping block driven by the motor can accurately control the clamping force to ensure that the rotating rod 2 is firmly fixed. Secondly, since the clamping block moves in both directions, its position can be flexibly adjusted as needed to adapt to rotating rods of different sizes and types, thereby improving the stability and applicability of the device.

[0013] 2. The utility model rotates the rotating rod 1, which drives the gear column to rotate together. The meshing of the gear column and the tooth groove converts the rotational motion into the linear motion of the tooth groove. The tooth groove drives the ship's hatch cover to move together to achieve the purpose of switching. Compared with the traditional device, the ship's hatch cover can be opened and closed through a simple rotation action. The gear column and the tooth groove are both arranged inside and will not contact with water to cause damage, thereby affecting the opening and closing of the ship's hatch cover. The meshing action of the gear column and the tooth groove also ensures the accuracy and stability of the movement, avoiding the problem of the hatch cover not being opened or closed properly due to improper operation or mechanical failure. At the same time, it can also reduce mechanical failures caused by friction and wear, thereby extending the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 For this utility model Figure 1 A is a schematic diagram of the enlarged structure of the middle part;

[0016] Figure 3 This is a schematic diagram of the opening structure of the ship hatch cover of the utility model;

[0017] Figure 4 This is a schematic diagram of a partial structure of the utility model from a top view;

[0018] Figure 5 This is a schematic diagram of the internal structure of the ship cabin of the utility model;

[0019] Figure 6 This is a schematic diagram of the partial explosion structure of the utility model;

[0020] Figure 7 It is a schematic diagram of the closing structure of the ship hatch cover of the utility model.

[0021] In the figure: 1. Ship hull; 2. Ship hatch cover; 3. Tooth groove; 4. First rotating rod; 5. Tooth column; 6. Belt; 7. Hydraulic cylinder; 8. Bump; 9. Moving wheel; 10. Second rotating rod; 11. Bidirectional lead screw; 12. Clamping block; 13. First motor; 14. First helical gear; 15. Second helical gear; 16. Second motor; 17. First transmission gear; 18. Rectangular groove; 19. Second transmission gear; 20. Limit groove; 21. C-shaped groove. Detailed implementation manner

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] As Figures 1 to 7 shown, the present invention provides an automatic opening device for a ship hatch cover, including a ship hull 1. Rectangular grooves 18 are opened on both sides of the top of the ship hull 1. A fixing mechanism is arranged in the rectangular grooves 18. The fixing mechanism includes a bidirectional lead screw 11 rotatably installed on the inner wall of the rectangular groove 18. Two clamping blocks 12 are threadedly sleeved on the outer wall of the bidirectional lead screw 11. A first motor 13 is fixedly installed on the bottom inner wall of the rectangular groove 18. A first helical gear 14 is fixedly sleeved on the output shaft of the first motor 13. A second helical gear 15 is fixedly sleeved on the outer wall of the bidirectional lead screw 11. The second helical gear 15 meshes with the first helical gear 14.

[0024] By starting the first motor 13, the rotation of the first helical gear 14 and the second helical gear 15 is driven, and then the rotation of the bidirectional lead screw 11 is driven, and finally the mutual approach or separation movement of the two clamping blocks 12 is realized. When the ship hatch cover 2 is closed, the first motor 13 is started, and the two clamping blocks 12 will approach each other and tightly clamp the second rotating rod 10. Such a design not only fixes the position of the second rotating rod 10 and prevents its displacement or晃动 under external forces such as wind and waves, but also enhances the overall stability and safety of the hatch cover system. Compared with the traditional hatch cover system, the clamping block 12 driven by the motor 13 can precisely control the clamping force to ensure that the second rotating rod 10 is firmly fixed. Secondly, since the clamping block 12 moves bidirectionally, its position can be flexibly adjusted as needed to adapt to different sizes and types of rotating rods 10, thereby improving the stability and applicability of the device.

[0025] After the staff determines that the ship hatch cover 2 is closed, the first motor 13 is started. The output shaft of the first motor 13 drives the first helical gear 14 to rotate. The first helical gear 14 meshes with the second helical gear 15 to drive the second helical gear 15 to rotate. The second helical gear 15 drives the bidirectional lead screw 11 to rotate. The bidirectional lead screw 11 drives the two clamping blocks 12 to move closer to each other, tightly clamping the second rotating rod 10 to fix it.

[0026] Among them, the ship hatch cover 2 is slidably installed on the top of the ship hull 1. Two tooth grooves 3 are provided on the inner wall of the ship hatch cover 2. Four second rotating rods 10 are respectively and fixedly installed on the outer wall of the ship hatch cover 2. Moving wheels 9 are respectively and rotatably installed on the outer walls of the four second rotating rods 10. A switching mechanism is arranged in the ship hull 1. The switching mechanism includes a power component, a linkage component and a sliding component. There are two groups of sliding components, including a first rotating rod 4 rotatably installed on the inner wall of the ship hull 1. A tooth column 5 is fixedly sleeved on the outer wall of the first rotating rod 4. The tooth column 5 meshes with the corresponding tooth groove 3.

[0027] By rotating the first rotating rod 4, the first rotating rod 4 drives the tooth column 5 to rotate together. The meshing of the tooth column 5 and the tooth groove 3 converts the rotational motion into the linear motion of the tooth groove 3. The tooth groove 3 drives the ship hatch cover 2 to move together to achieve the purpose of opening and closing. Compared with the traditional device, through a simple rotation action, the opening and closing of the ship hatch cover 2 can be realized. Moreover, both the tooth column 5 and the tooth groove 3 are arranged inside and will not come into contact with water and cause damage, thereby affecting the opening and closing of the ship hatch cover. The meshing effect of the tooth column 5 and the tooth groove 3 also ensures the accuracy and stability of the motion, avoiding the problem that the hatch cover cannot be opened or closed in place due to improper operation or mechanical failure. At the same time, it can also reduce mechanical failures caused by friction and wear, thereby extending the service life of the equipment.

[0028] When it is necessary to open the ship hatch cover 2, first start the hydraulic cylinder 7 to drive the convex block 8 to move upward. As the convex block 8 rises, its height gradually becomes the same as the vertical height of the U-shaped groove 21. Then start the second motor 16. The output shaft of the second motor 16 rotates to drive the first transmission gear 17 to rotate. The first transmission gear 17 meshes with the second transmission gear 19 to drive the second transmission gear 19 to rotate. The second transmission gear 19 drives the corresponding first rotating rod 4 to rotate. Under the action of the belt 6, drive another first rotating rod 4 to rotate at the same speed and in the same direction. By rotating the first rotating rod 4, the first rotating rod 4 drives the tooth column 5 to rotate together. The meshing of the tooth column 5 and the tooth groove 3 converts the rotational motion into the linear motion of the tooth groove 3. The tooth groove 3 drives the ship hatch cover 2 to move and thus be opened.

[0029] Among them, there are four groups of linkage components, including a hydraulic cylinder 7 fixedly installed on the inner bottom wall of the rectangular groove 18. A convex block 8 is fixedly installed on the output shaft of the hydraulic cylinder 7.

[0030] By activating the hydraulic cylinder 7, the output shaft of the hydraulic cylinder 7 performs telescopic motion, thereby driving the bump 8 to move up and down accordingly. This design plays a crucial role in the opening and closing process of the ship's hatch cover 2. When it is necessary to open the ship's hatch cover 2 for loading and unloading goods, the hydraulic cylinder 7 is activated to drive the bump 8 to move upward. As the bump 8 rises, its height gradually becomes the same as the vertical height of the C-shaped groove 21. This design ensures that the moving wheel 9 can smoothly enter the C-shaped groove 21 and move along the groove, thereby enabling the clamping block 12 and the ship's hatch cover 2 to be easily lifted and opened, facilitating the loading and unloading of goods. After completing the loading and unloading of goods, it is necessary to close the ship's hatch cover 2 again. Then, drive the bump 8 to move downward, causing the moving wheel 9 to move together with the bump 8 and gradually withdraw from the C-shaped groove 21. The ship's hatch cover 2 loses the lifting power and thus achieves the closing purpose.

[0031] Among them, there are four groups of fixing mechanisms, and two of them are symmetrically distributed in pairs.

[0032] Through the design of the four groups of fixing mechanisms, when the ship's hatch cover 2 is closed, the second rotating rod 10 is fixed more firmly and reliably, ensuring that the fixing components of the second rotating rod 10 are not prone to displacement or晃动 when subjected to external forces, thereby guaranteeing the stability and safety of the equipment.

[0033] Among them, the power assembly includes a transmission gear two 19 fixedly sleeved on the outer wall of the corresponding first rotating rod 4. A motor two 16 is fixedly installed on the bottom inner wall of the rectangular groove 18. A transmission gear one 17 is fixedly sleeved on the output shaft of the motor two 16. The transmission gear one 17 meshes with the transmission gear two 19. Belts 6 are wound around the outer walls of both first rotating rods 4.

[0034] By activating the motor two 16, the output shaft of the motor two 16 rotates to drive the transmission gear one 17 to rotate. The transmission gear one 17 meshes with the transmission gear two 19 to drive the transmission gear two 19 to rotate. The transmission gear two 19 drives the corresponding first rotating rod 4 to rotate. Then, under the action of the belt 6, it drives the other first rotating rod 4 to rotate at the same speed and in the same direction, thereby providing power support for the switching mechanism.

[0035] Among them, C-shaped grooves 21 are opened at the top of both sides of the ship's hull 1 and at the top of the clamping block 12. The width value of the C-shaped groove 21 is the same as the width value of the moving wheel 9.

[0036] Through the design of the U-shaped groove 21, the moving wheel 9 has a clear path and direction during sliding. The moving wheel 9 can roll along the U-shaped groove 21, improving its stability. Due to the guiding effect of the U-shaped groove 21, the moving wheel 9 is not easily deviated from the predetermined path, thus ensuring the accurate position of the clamping block 12. The design of the U-shaped groove 21 matching the width of the moving wheel 9 ensures the smoothness of the sliding of the moving wheel 9 in the U-shaped groove 21. The tight fit reduces the resistance generated by friction. At the same time, it can also reduce the heat and wear generated by friction, extending the service life of the moving wheel 9 and the U-shaped groove 21. The design of the U-shaped groove 21 also enhances the safety and reliability of the equipment. When the ship is operating or encountering external factors such as wind and waves, the U-shaped groove 21 can limit the moving range of the clamping block 12, preventing it from accidentally sliding or deviating from the track.

[0037] Among them, a limiting groove 20 is opened on the inner wall of the rectangular groove 18, and the contact surface of the limiting groove 20 is adapted to the clamping block 12.

[0038] By setting the limiting groove 20, during the movement of the clamping block 12, the limiting groove 20 provides an accurate track for it, ensuring that the clamping block 12 can move along the predetermined path, avoiding deviation or shaking caused by external interference or mechanical errors, and ensuring that the clamping block 12 can accurately locate to the target position, improving the stability and accuracy of the device.

[0039] The working principle and usage process of the present utility model:

[0040] After the staff determines that the ship's hatch cover 2 is closed, the first motor 13 is started. The output shaft of the first motor 13 drives the first helical gear 14 to rotate. The first helical gear 14 meshes with the second helical gear 15 to drive the second helical gear 15 to rotate. The second helical gear 15 drives the bidirectional lead screw 11 to rotate. The bidirectional lead screw 11 drives the two clamping blocks 12 to move closer to each other, tightly clamping the second rotating rod 10 to fix it.

[0041] When it is necessary to open the ship's hatch cover 2, first start the hydraulic cylinder 7 to drive the convex block 8 to move upward. As the convex block 8 rises, its height gradually becomes the same as the vertical height of the U-shaped groove 21. Then start the second motor 16. The output shaft of the second motor 16 rotates to drive the first transmission gear 17 to rotate. The first transmission gear 17 meshes with the second transmission gear 19 to drive the second transmission gear 19 to rotate. The second transmission gear 19 drives the corresponding first rotating rod 4 to rotate. Then, under the action of the belt 6, drive the other first rotating rod 4 to rotate at the same speed and in the same direction. By rotating the first rotating rod 4, the first rotating rod 4 drives the tooth column 5 to rotate together. The meshing of the tooth column 5 and the tooth groove 3 converts the rotational motion into a linear motion of the tooth groove 3. The tooth groove 3 drives the ship's hatch cover 2 to move and thus be opened.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic opening device for a ship hatch cover, comprising a ship cabin (1), characterized in that: On both sides of the top of the ship hull (1), rectangular grooves (18) are provided. A fixing mechanism is arranged in the rectangular grooves (18). The fixing mechanism includes a bidirectional lead screw (11) rotatably installed on the inner wall of the rectangular groove (18). Two clamping blocks (12) are threadedly sleeved on the outer wall of the bidirectional lead screw (11). A first motor (13) is fixedly installed on the bottom inner wall of the rectangular groove (18). A first helical gear (14) is fixedly sleeved on the output shaft of the first motor (13). A second helical gear (15) is fixedly sleeved on the outer wall of the bidirectional lead screw (11). The second helical gear (15) meshes with the first helical gear (14).

2. The automatic opening device for a ship hatch cover according to claim 1, characterized in that: A ship hatch cover (2) is slidably installed on the top of the ship hull (1). Two tooth grooves (3) are provided on the inner wall of the ship hatch cover (2). Four second rotating rods (10) are respectively fixedly installed on the outer wall of the ship hatch cover (2). Moving wheels (9) are respectively rotatably installed on the outer walls of the four second rotating rods (10). A switching mechanism is arranged in the ship hull (1). The switching mechanism includes a power component, a linkage component and a sliding component. There are two groups of sliding components, including a first rotating rod (4) rotatably installed on the inner wall of the ship hull (1). A tooth column (5) is fixedly sleeved on the outer wall of the first rotating rod (4). The tooth column (5) meshes with the corresponding tooth groove (3).

3. The automatic opening device for a ship hatch cover according to claim 2, characterized in that: There are four groups of linkage components, including hydraulic cylinders (7) fixedly installed on the bottom inner wall of the rectangular groove (18). A convex block (8) is fixedly installed on the output shaft of the hydraulic cylinder (7).

4. The automatic opening device for a ship hatch cover according to claim 1, characterized in that: There are four groups of fixing mechanisms, and two of them are symmetrically distributed in pairs.

5. The automatic opening device for a ship hatch cover according to claim 2, characterized in that: The power component includes a second transmission gear (19) fixedly sleeved on the outer wall of the corresponding first rotating rod (4). A second motor (16) is fixedly installed on the bottom inner wall of the rectangular groove (18). A first transmission gear (17) is fixedly sleeved on the output shaft of the second motor (16). The first transmission gear (17) meshes with the second transmission gear (19). Belts (6) are wound on the outer walls of the two first rotating rods (4).

6. The automatic opening device for a ship hatch cover according to claim 2, characterized in that: C-shaped grooves (21) are provided on the top of both sides of the ship hull (1) and on the top of the clamping block (12). The width value of the C-shaped groove (21) is the same as the width value of the moving wheel (9).

7. The automatic opening device for a ship hatch cover according to claim 1, characterized in that: A limiting groove (20) is provided on the inner wall of the rectangular groove (18). The contact surface of the limiting groove (20) is adapted to the clamping block (12).

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