A lifting platform device

Abstract

The utility model discloses a kind of lifting platform devices, belong to ship technical field;The lifting platform structure includes cover plate (14), handle (6), locking structure (15) and lifting guide rail structure (1);The handle (6) is equipped on cover plate (14);The locking structure (15) is equipped below cover plate (14);The lifting guide rail structure (1) is located cover plate (14) side edge;The cover plate (14) is locked by locking structure (15), and the cover plate (14) is lifted by lifting guide rail structure (1);When door is opened, locking structure (15) is unlocked by pulling handle (6), lifting cover plate (14) is formed with certain angle with cabin floor, handle (6) is pulled and obliquely downward push cover plate (14), when cover plate (14) is lowered to the lowest place of lifting guide rail structure (1), cover plate (14) is rotated to horizontal, locking structure (15) is locked, realize the function of cover plate (14) lifting and fixed in specified position.

Description

Technical Field

[0001] This utility model belongs to the field of marine technology, specifically, it relates to a lifting platform device. Background Technology

[0002] Currently, the average passage height of ships is 2.0m-2.1m. Due to the height restriction of some equipment in the cabin, it is necessary to sink the bottom of the equipment to a height of 100mm-300mm below the steel plate. Moreover, most of the doors are side-opening designs, so the movement of the sinking equipment doors interferes with the platform. Considering that the opening angle of the door needs to be greater than or equal to 90 degrees, most current solutions involve drilling a square hole along the opening radius and then filling it with a steel plate of the same size as the hole at the bottom of the equipment. For example, the specification of Chinese utility model patent CN 218400885 U, published on January 31, 2023, discloses a ship door structure that uses door stops placed on a rack to be placed on a set of plates from top to bottom. Multiple door stops are used to block the opening of the swing door, which improves the structural strength of the door and protects the personal safety of the crew. Although this method can ensure that the equipment door can be opened normally, it affects the aesthetics of the cabin platform and affects the passage of the crew. If the hole is drilled in the passage or stairwell, it will affect the life safety of the crew. Utility Model Content

[0003] The present invention aims to provide a lifting platform device that allows crew members to walk safely in the cabin passageway without the risk of tripping.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a lifting platform device, including a cover plate, one end of which is respectively provided with a handle and a locking structure; the handle is provided on the cover plate; the locking structure is provided below the cover plate and is connected to the cover plate; the other end of the cover plate is provided with a lifting guide rail structure, and the cover plate is connected to the lifting guide rail structure; a handle shaft is provided on the cover plate, the locking structure is connected to the handle shaft, and the handle is connected to the handle shaft.

[0005] Furthermore, the cover plate is provided with a shoulder, the shoulder is connected to the cover plate, and the shoulder is provided with a round hole, through which the two ends of the handle shaft respectively pass.

[0006] Furthermore, the locking structure includes a housing, a lock head, a spring, a locking rod, a washer, and a lever; the housing and the cover plate are connected; the spring is located inside the housing; the washer is located inside the housing and is located at one end of the spring; one end of the locking rod is connected to the washer, and the other end of the locking rod is connected to the lock head; one end of the lever is fixedly connected to the handle shaft, and the other end of the lever is located on one side of the washer.

[0007] Furthermore, the locking structure also includes a limiting block and a pad, the limiting block being located inside the housing and at the end of the spring away from the pad; the pad being located between the lock head and the lock rod; the pad being connected to the lock head and the pad being connected to the lock rod.

[0008] Furthermore, a platform is provided below the cover plate; an angle steel is provided on one side of the platform; a first keyhole is provided on the angle steel, and a second keyhole is provided below the platform; the lock head is adapted to the first keyhole, and the lock head is adapted to the second keyhole; an equipment door is provided on the other side of the platform, and a gap is left between the equipment door and the platform.

[0009] Furthermore, the lifting guide rail structure includes a lifting guide rail, a guide rail shaft, a connecting block, and a steel plate; the steel plate is located on both sides of the cover plate; the lifting guide rail is a groove provided on the steel plate; the connecting block is located below the cover plate, the connecting block is connected to the cover plate, and the connecting block is provided with a shaft hole; one end of the guide rail shaft is located inside the lifting guide rail, and the other end of the guide rail shaft is inserted into the shaft hole on the connecting block.

[0010] Furthermore, the cover plate is provided with a groove, and the handle, handle shaft and shaft shoulder are all located in the groove; the handle is a hollow structure; and an inspection door is also provided above the cover plate.

[0011] Furthermore, a limiting post is provided below the cover plate, and a first limiting hole is provided below the angle steel; a second limiting hole is provided below the platform, the limiting post and the first limiting hole are adapted to each other, and the limiting post and the second limiting hole are adapted to each other.

[0012] Furthermore, a spring limiter is provided inside the housing; the spring limiter is a limiting sleeve; the spring is located inside the spring limiter.

[0013] Furthermore, there are two handles; the width of the groove in the middle of the handle is greater than the width of the grooves at both ends; there are two locking structures; there are two actuating rods, which are evenly distributed on both sides of the locking rod; the actuating rod is an arc-shaped rod; the contact surface between the gasket and the actuating rod is a plane; both ends of the groove of the lifting guide rail are rounded; the two ends of the lifting guide rail are straight grooves, and the middle part is an arc-shaped groove.

[0014] The technical advantages of this invention are as follows: Through the linkage of the handle, locking structure, and lifting guide rail structure, the platform can be raised and locked. This not only provides opening space for the equipment door, improving safety and ensuring the safety of crew members walking in passageways without tripping risks, but also offers convenient operation, a lightweight structure, and reduces the labor intensity of crew members. Using a lifting platform instead of a traditional perforated cover plate effectively improves the platform's aesthetic appeal. Attached Figure Description

[0015] This manual includes the following figures, which illustrate the following: Figure 1 This is a structural schematic diagram of the lifting platform device; Figure 2 yes Figure 1 Schematic diagram of the handle structure of the lifting platform device; Figure 3 yes Figure 1 Schematic diagram of the locking structure of the lifting platform device; Figure 4 yes Figure 3 A schematic diagram of the internal structure of the locking mechanism of the lifting platform device along the BB section; Figure 5 yes Figure 1 Schematic diagram of the lifting guide rail structure of the lifting platform device; Figures 6 to 11 yes Figure 1 A schematic diagram of the movement trajectory of the lifting platform device along the cover plate of section AA.

[0016] The markings in the diagram are as follows: 1. Lifting guide rail structure; 2. Angle steel; 3. Handle shaft; 4. Lock head; 5. Limit block; 6. Handle; 7. Shoulder; 8. Limit post; 9. Spring; 10. Locking rod; 11. Inspection door; 12. Actuating rod; 13. Guide rail shaft; 14. Cover plate; 15. Locking structure; 16. Pad; 17. Spring limiter; 18. Connecting block; 19. Steel plate; 20. Lifting guide rail; 21. Platform; 22. First keyhole; 23. Second keyhole; 24. Equipment door; 25. Housing; 26. First limit hole; 27. Second limit hole; 28. Gasket; 29. ​​Groove. Detailed Implementation

[0017] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, in order to help those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of this utility model, and to facilitate its implementation.

[0018] A lifting platform device, such as Figure 1 and Figure 2As shown, the device includes a cover plate 14, one end of which is provided with a handle 6 and a locking structure 15. The handle 6 is located on the cover plate 14, allowing operators to lift or lower the cover plate 14. The locking structure 15 is located below the cover plate 14 and is connected to the cover plate 14. The locking structure 15 can fix the cover plate 14 in a designated position, improving the stability and safety of the lifting platform. The other end of the cover plate 14 is provided with a lifting guide rail structure 1, which is connected to the cover plate 14, allowing the cover plate 14 to perform lifting and lowering actions. The cover plate 14 is provided with a handle shaft 3, which is connected to the locking structure 15 and the handle 6. Operators can open or close the locking structure 15 by rotating the handle shaft 3, improving the flexibility and operability of the device.

[0019] Specifically, such as Figure 3 and Figure 4 As shown, the cover plate 14 is provided with a shoulder 7, which is fixedly connected to the cover plate 14; the shoulder 7 is welded to the cover plate 14 to further improve the connection strength between the shoulder 7 and the cover plate 14; the shoulder 7 is provided with a round hole, and the two ends of the handle shaft 3 pass through the round hole on the shoulder 7 respectively. The shoulder 7 is used to install the handle shaft 3, and the handle shaft 3 is connected to the handle 6. The shoulder 7 realizes the installation of the handle 6 on the cover plate 14; the handle 6 and the handle shaft 3 are welded at both ends to further improve the connection strength between the handle 6 and the handle shaft 3, ensuring that the handle 6 and the handle shaft 3 can drive the cover plate 14 to rise and fall while rotating.

[0020] Specifically, such as Figure 3 and Figure 4 As shown, the locking structure 15 includes a housing 25, a lock head 4, a spring 9, a locking rod 10, a washer 28, and a lever 12; the housing 25 and the cover plate 14 are fixedly connected; the spring 9 is located inside the housing 25; the main function of the housing 25 is to connect the cover plate 14 and the locking structure 15, so that the locking structure 15 moves together when the cover plate 14 moves, and at the same time, the housing 25 can protect the spring 9 and reduce the aging of the components; the washer 28 is located inside the housing 25, and the washer 28 is located at one end of the spring 9. The function of the washer 28 is to transmit the elastic force of the spring 9 to the locking rod 10, ensuring that the locking rod 10 is subjected to uniform force; the lock One end of the lever 10 is fixedly connected to the washer 28, and the other end of the locking lever 10 is fixedly connected to the lock head 4. The function of the locking lever 10 is to transmit the elastic force of the spring 9 to the lock head 4. One end of the actuating lever 12 is fixedly connected to the handle shaft 3, and the other end of the actuating lever 12 is located on one side of the washer 28. The cover plate 14 has a hole for the actuating lever 12 to pass through. When the handle shaft 3 rotates, it can drive the actuating lever 12 to rotate, and use the actuating lever 12 to squeeze or release the spring 9, so that the spring 9 is compressed or extended, and at the same time, it drives the locking lever 10 to extend or retract the lock head 4, so that the lock head 4 can be extended or retracted when the handle 6 is rotated.

[0021] Specifically, such as Figure 3 and Figure 4 As shown, the locking structure 15 also includes a limiting block 5 and a pad 16. The limiting block 5 is located inside the housing 25 and at the end of the spring 9 away from the pad 28. The function of the limiting block 5 is to provide bottom support for the spring 9, disperse the pressure at the bottom of the spring 9, prevent the spring 9 from deforming due to excessive pressure at the bottom, and protect the overall structural stability. The pad 16 is located between the lock head 4 and the lock rod 10. The pad 16 is fixedly connected to the lock head 4 and the lock rod 10. The function of the pad 16 is to disperse the pressure on the lock head 4, reduce stress concentration, and reduce the risk of damage to the lock head 4.

[0022] Specifically, such as Figure 6 As shown, a platform 21 is provided below the cover plate 14; an angle steel 2 is provided on one side of the platform 21; when the equipment door 24 is closed, the cover plate 14 rests on the angle steel 2 and is flush with the cabin floor; when the equipment door 24 is opened, the cover plate 14 is lowered to its lowest position via the lifting guide rail 20 and is flush with the platform 21; a first keyhole 22 is provided on the angle steel 2, and a second keyhole 23 is provided below the platform 21; the lock head 4 is compatible with the first keyhole 22, and the lock head 4 is compatible with the second keyhole 23; the lock head 4 can be inserted into the first keyhole 22. The second keyhole 23 fixes the cover plate 14 at the highest and lowest points, ensuring the stability and safety of the structure. An equipment door 24 is provided on the other side of the platform 21. There is a gap between the equipment door 24 and the platform 21. When the cover plate 14 moves to the lowest point and is flush with the platform 21, the end of the cover plate 14 near the equipment door 24 can be inserted into the gap between the bottom of the equipment door 24 and the platform 21, providing space for the equipment door 24 to open, reducing the risk of crew members tripping, and improving the safety and aesthetics of the cabin.

[0023] Specifically, such as Figure 5 and Figure 6 As shown, the lifting guide rail structure 1 includes a lifting guide rail 20, a guide rail shaft 13, a connecting block 18, and a steel plate 19; the steel plate 19 is located on both sides of the cover plate 14; the lifting guide rail 20 is a groove provided on the steel plate 19, and the movement trajectory of the lifting guide rail 20 and the cover plate 14 is consistent; the connecting block 18 is located below the cover plate 14, and the connecting block 18 is fixedly connected to the cover plate 14. The connecting block 18 is provided with a shaft hole, and the function of the connecting block 18 is to connect the cover plate 14 and the guide rail shaft 13; one end of the guide rail shaft 13 is provided in the lifting guide rail 20, and the other end of the guide rail shaft 13 is inserted into the shaft hole on the connecting block 18. When the operator lifts the cover plate 14, the cover plate 14 can move in the trajectory groove of the lifting guide rail 20 through the guide rail shaft 13 to complete the lifting action.

[0024] Specifically, such as Figure 1 and Figure 4As shown, the cover plate 14 is provided with a groove 29, and the handle 6, the shoulder 7 and the handle shaft 3 are all located in the groove 29 on the cover plate 14, making the surface of the cover plate 14 flat and improving the overall aesthetics of the cover plate 14; the handle 6 is a hollow structure, which reduces the overall weight and saves materials through lightweighting; the handle 6 and the locking structure 15 are evenly distributed on one side of the cover plate 14, making it convenient for the staff to lift the cover plate 14 to complete the lifting action; an inspection door 11 is also provided on the top of the cover plate 14, which can protect the cover plate 14 and the handle 6, facilitate maintenance and cleaning, and improve the service life of the device.

[0025] Specifically, such as Figure 1 and Figure 6 As shown, a limiting post 8 is fixedly provided below the cover plate 14, and a first limiting hole 26 is provided below the angle steel 2; a second limiting hole 27 is provided below the platform 21; the limiting post 8 and the first limiting hole 26 are adapted to each other, and the limiting post 8 and the second limiting hole 27 are adapted to each other; when the cover plate 14 is flush with the cabin floor, the limiting post 8 can be inserted into the first limiting hole 26 to lock the movement of the cover plate 14; when the cover plate 14 is flush with the platform 21, the limiting post 8 can be inserted into the second limiting hole 27 to lock the movement of the cover plate 14, further improving the stability of the cover plate 14 and improving the safety of the crew's work.

[0026] Specifically, such as Figure 3 and Figure 4 As shown, a spring limiter 17 is also provided inside the housing 25. The spring limiter 17 is a limiting sleeve. The spring 9 is located inside the spring limiter 17. The function of the spring limiter 17 is to limit the radial displacement of the spring 9 and prevent the spring 9 from deviating when compressed or extended, thus affecting the operational stability of the locking structure 15.

[0027] Specifically, such as Figure 1 , Figure 4 and Figure 5 As shown, there are two handles 6. The groove 29 in the middle of the handle 6 is wider than the grooves at both ends, making it easier for workers to grip the handle 6 and lift the cover plate 14. There are two locking structures 15 and two actuating rods 12. The actuating rods 12 are evenly distributed on both sides of the locking rod 10. This way, when the cover plate 14 is at the highest and lowest points of the lifting guide rail 20, the cover plate 14 can be better fixed, preventing the lock head 4 from falling off, improving the stability of the cover plate 14, and ensuring the safe operation of workers. The contact surface between the gasket 28 and the actuating rod 12 is flat, and the actuating rod 12 is an arc-shaped rod, which makes it easier for the actuating rod 12 to better transmit the force of the handle shaft 3. The ends of the groove of the lifting guide rail 20 are rounded to reduce the friction between the guide rail shaft 13 and the lifting guide rail 20 and improve the service life. The two ends of the lifting guide rail 20 are straight grooves, and the middle part is an arc-shaped groove, so that the groove trajectory of the lifting guide rail 20 is more closely matched with the movement trajectory of the cover plate 14.

[0028] The working process of this lifting platform structure is as follows: Figure 5As shown, when the equipment door 24 is closed, the cover plate 14 is normally closed and flush with the cabin floor. When it is necessary to open the door, the staff turns the handle 6 so that the handle 6 is at a 90-degree angle to the cover plate 14. The handle shaft 3 rotates and drives the lever 12 to compress the spring 9, and the lock head 4 disengages from the first keyhole 22.

[0029] like Figures 6 to 9 As shown, then pull the handle 6, the limiting post 8 is pulled out from the first limiting hole 26 on the angle steel 2, the cover plate 14 is raised to a certain angle with the cabin floor, and the handle 6 is pulled diagonally downward to push the cover plate 14 so that the guide rail shaft 13 slides downward in the lifting guide rail 20.

[0030] like Figure 10 and Figure 11 As shown, when the cover plate 14 slides to the bottom of the lifting guide rail 20, until one end of the cover plate 14 extends into the gap between the bottom of the equipment door 24 and the platform 21, rotate the cover plate 14 along the guide rail shaft 13 to a horizontal position, then release the handle 6 so that the handle 6 is inserted into the groove 29 of the cover plate 14, the toggle lever 12 is released, the spring 9 pops out and drives the lock head 4 to extend into the second keyhole 23, the locking structure 15 is locked, and the limiting post 8 is inserted into the second limiting hole 27 under the platform 21, the cover plate 14 is flush with the platform 21 and fixed; when the cover plate 14 needs to be lifted, the above steps are reversed.

[0031] like Figure 1 As shown, an inspection door 11 is provided on the cover plate 14 to protect the cover plate 14 and the handle 6. When the equipment needs maintenance or replacement, the inspection door 11 can be opened for replacement.

[0032] The present invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial 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 lifting platform device, characterized in that: Includes a cover plate (14), one end of which is provided with a handle (6) and a locking structure (15); the handle (6) is provided on the cover plate (14); the locking structure (15) is provided below the cover plate (14) and is connected to the cover plate (14); the other end of the cover plate (14) is provided with a lifting guide rail structure (1), and the cover plate (14) is connected to the lifting guide rail structure (1); the cover plate (14) is provided with a handle shaft (3), the locking structure (15) is connected to the handle shaft (3), and the handle (6) is connected to the handle shaft (3).

2. The lifting platform device as described in claim 1, characterized in that: The cover plate (14) is provided with a shoulder (7), the shoulder (7) is connected to the cover plate (14), the shoulder (7) is provided with a round hole, and the two ends of the handle shaft (3) pass through the round hole on the shoulder (7).

3. The lifting platform device as described in claim 2, characterized in that: The locking structure (15) includes a housing (25), a lock head (4), a spring (9), a locking rod (10), a washer (28), and a lever (12); the housing (25) and the cover plate (14) are connected; the spring (9) is located inside the housing (25); the washer (28) is located inside the housing (25), and the washer (28) is located at one end of the spring (9); one end of the locking rod (10) is connected to the washer (28), and the other end of the locking rod (10) is connected to the lock head (4); one end of the lever (12) is connected to the handle shaft (3), and the other end of the lever (12) is located on one side of the washer (28).

4. The lifting platform device as described in claim 3, characterized in that: The locking structure (15) further includes a limiting block (5) and a pad (16). The limiting block (5) is located inside the housing (25) and at the end of the spring (9) away from the pad (28). The pad (16) is located between the lock head (4) and the lock rod (10). The pad (16) is connected to the lock head (4) and the lock rod (10).

5. The lifting platform device as described in claim 4, characterized in that: A platform (21) is provided below the cover plate (14); an angle steel (2) is provided on one side of the platform (21); a first keyhole (22) is provided on the angle steel (2), and a second keyhole (23) is provided below the platform (21); the lock head (4) is adapted to the first keyhole (22), and the lock head (4) is adapted to the second keyhole (23); an equipment door (24) is provided on the other side of the platform (21), and a gap is left between the equipment door (24) and the platform (21).

6. The lifting platform device as described in claim 1, characterized in that: The lifting guide rail structure (1) includes a lifting guide rail (20), a guide rail shaft (13), a connecting block (18), and a steel plate (19); the steel plate (19) is located on both sides of the cover plate (14); the lifting guide rail (20) is a groove provided on the steel plate (19); the connecting block (18) is located below the cover plate (14), the connecting block (18) is connected to the cover plate (14), and the connecting block (18) is provided with a shaft hole; one end of the guide rail shaft (13) is located inside the lifting guide rail (20), and the other end of the guide rail shaft (13) is inserted into the shaft hole on the connecting block (18).

7. A lifting platform device as described in claim 5, characterized in that: The cover plate (14) is provided with a groove (29), and the handle (6), handle shaft (3) and shaft shoulder (7) are all located in the groove (29); the handle (6) is a hollow structure; and an inspection door (11) is also provided above the cover plate (14).

8. A lifting platform device as described in claim 5, characterized in that: The cover plate (14) is provided with a limiting post (8) below it, and the angle steel (2) is provided with a first limiting hole (26) below it; the platform (21) is provided with a second limiting hole (27) below it. The limiting post (8) is adapted to the first limiting hole (26), and the limiting post (8) is adapted to the second limiting hole (27).

9. A lifting platform device as described in claim 5, characterized in that: The housing (25) is also provided with a spring limiter (17); the spring limiter (17) is a limiting sleeve; the spring (9) is located inside the spring limiter (17).

10. A lifting platform device as described in claim 7, characterized in that: There are two handles (6); the groove (29) in the middle of the handle (6) is wider than the grooves at both ends; there are two locking structures (15); there are two actuating rods (12), which are evenly distributed on both sides of the locking rod (10); the actuating rod (12) is an arc-shaped rod; the contact surface between the gasket (28) and the actuating rod (12) is a plane; the ends of the groove of the lifting guide rail (20) are rounded; the two ends of the lifting guide rail (20) are straight grooves, and the middle part is an arc-shaped groove.

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