Protective lifting platform for ship maintenance

Abstract

The utility model relates to the technical field of lifting tables, and discloses a protective lifting table for ship maintenance, which comprises a base, a connecting seat is arranged at the top of the base, a displacement component fixedly connected with the bottom of the connecting seat is arranged in the base, and a fixed vertical plate is arranged at the top of the connecting seat. Two limiting plates which are symmetrically distributed left and right are arranged on the front side wall of the fixed vertical plate, and a motor fixing frame is arranged at the top of the fixed vertical plate. According to the protection type lifting table for ship maintenance, by arranging the displacement assembly, after a worker climbs a height and needs to adjust the position, a servo motor is started to drive a first threaded rod to rotate through an output shaft, and through cooperative use of the first threaded rod and a threaded block, a connecting base drives a fixed vertical plate and the lifting table body to horizontally move; therefore, the position of the device can be adjusted when the device is used by a worker, the practicability of the device is improved, and the device is convenient to use by the worker.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting platforms, in particular to a protective lifting platform for ship maintenance. Background Art

[0002] Ship maintenance refers to the regular maintenance and repair of ships to keep them in good technical condition. After continuous development, China has become a veritable ship repair power, and China's shipbuilding industry has begun to go global.

[0003] In the prior art, when people are repairing ships, they often use a lifting platform to repair equipment at high altitudes. However, the existing protective lifting platform for ship maintenance still has some defects when in use. For example, the position of the device is fixed when in use, and when adjusting the position, the staff needs to move the device for adjustment. Secondly, the current lifting platform lacks a stable limiting structure, and the lifting platform is prone to falling, causing unnecessary injuries to the staff. Therefore, a protective lifting platform for ship maintenance is proposed to solve the above-mentioned technical problems. Utility Model Content

[0004] (1) Technical problems solved

[0005] In response to the shortcomings of the existing technology, the utility model provides a protective lifting platform for ship maintenance, which has the advantages of being able to adjust its position when used by staff and having a stable limiting structure. It solves some of the defects of the existing protective lifting platform for ship maintenance when in use, such as the position of the device is fixed when in use, and when adjusting the position, the staff needs to move the device for adjustment. Secondly, the current lifting platform lacks a stable limiting structure, and the lifting platform is prone to falling, causing unnecessary injuries to the staff.

[0006] (2) Technical solution

[0007] In order to achieve the above-mentioned purpose of being able to adjust its position when used by staff and having a stable limit, the utility model provides the following technical solutions: a protective lifting platform for ship maintenance, comprising a base, a connecting seat is provided on the top of the base, a displacement component fixedly connected to the bottom of the connecting seat is provided inside the base, a fixed vertical plate is provided on the top of the connecting seat, and two limit plates are provided on the front side wall of the fixed vertical plate and are symmetrically distributed on the left and right sides, a motor fixing frame is provided on the top of the fixed vertical plate, a stepping motor is provided on the inner top wall of the motor fixing frame, a third threaded rod is provided at the output shaft of the stepping motor and is rotatably connected to the inner bottom wall of the fixed vertical plate, a lifting platform slidably connected to the front side wall of the fixed vertical plate is provided on the outside of the third threaded rod, and a stabilizing component clamped to the outside of the two fixed vertical plates is provided at the bottom of the lifting platform;

[0008] The displacement assembly includes a servo motor, which is provided on the right side of the inner wall of the base. The output shaft of the servo motor is provided with a first threaded rod rotatably connected to the left side of the inner wall of the base. A threaded block is provided on the outside of the first threaded rod. The top of the threaded block extends to the top of the base and is connected to the bottom of the connecting seat.

[0009] The stabilizing assembly includes a rectangular block, and rectangular blocks are provided on the left and right sides of the bottom of the lifting platform. The left side wall of the left rectangular block is provided with a second threaded rod with one end extending to the right side of the right rectangular block. The outside of the second threaded rod is provided with a first bevel gear located between the two rectangular blocks. The top of the lifting platform is provided with a rotating shaft with one end extending to its bottom, and the bottom of the rotating shaft is provided with a second bevel gear meshing with the outside of the first bevel gear. The outside of the second threaded rod is provided with two threaded clamping cylinders that are symmetrically distributed on the left and right. The two threaded clamping cylinders are respectively located on the opposite sides of the two rectangular blocks, and the two threaded clamping cylinders respectively pass through the two limit plates, and the threaded clamping cylinders are connected to the bottom of the lifting platform.

[0010] Preferably, two universal wheels are fixedly connected to the left and right sides of the bottom of the base and are symmetrically distributed front to back.

[0011] Preferably, brake pads are provided inside the four universal wheels.

[0012] Preferably, a protective fence is fixedly connected to the top of the lifting platform, and a sliding groove adapted to the moving track of the lifting platform is provided on the front side wall of the fixed vertical plate.

[0013] Preferably, the interiors of the two limiting plates are each provided with a number of limiting through holes which are equidistantly distributed vertically, and the limiting through holes are adapted to the threaded clamping cylinders.

[0014] Preferably, a knob is fixedly connected to the top of the rotating shaft, and an inspection box door is provided on the front side wall of the motor fixing frame.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, the present invention provides a protective lifting platform for ship maintenance, which has the following beneficial effects:

[0017] 1. The protective lifting platform for ship maintenance is provided with a displacement component. After the staff climbs up, when the position needs to be adjusted, the servo motor is started to drive the first threaded rod to rotate through the output shaft. The first threaded rod and the threaded block are used in conjunction with each other, so that the connecting seat drives the fixed vertical plate and the lifting platform to translate, thereby achieving the purpose of adjusting its position when the staff is using it, thereby improving the practicality of the device.

[0018] 2. The protective lifting platform for ship maintenance is equipped with a stabilizing component, which starts the stepper motor to drive the third threaded rod to rotate, so that the lifting platform is lifted. When it reaches the appropriate height, the rotating shaft drives the second bevel gear to rotate. The second bevel gear and the first bevel gear are used in conjunction with each other to make the second threaded rod rotate and drive the left and right threaded clamping cylinders to move away from each other until the two threaded clamping cylinders pass through the limiting holes inside the two limiting plates respectively, and then they can be limited, so that the device has the purpose of stable limitation, avoids the lifting platform from falling and causing unnecessary injuries to the staff, and further improves the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the utility model;

[0020] Figure 2 For this utility model Figure 1 Enlarged schematic diagram of point A in the middle.

[0021] In the figure: 1. Base; 2. Connecting seat; 3. Displacement assembly; 31. Servo motor; 32. First threaded rod; 33. Threaded block; 4. Fixed vertical plate; 5. Limiting plate; 6. Stabilizing assembly; 61. Rectangular block; 62. Second threaded rod; 63. First bevel gear; 64. Rotating shaft; 65. Second bevel gear; 66. Threaded clamping cylinder; 7. Motor fixing frame; 8. Stepper motor; 9. Third threaded rod; 10. Lifting platform. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-2 A protective lifting platform for ship maintenance includes a base 1, the top of the base 1 is slidably connected to a connecting seat 2, two universal wheels are fixedly connected on the left and right sides of the bottom of the base 1 and are symmetrically distributed front and back, and brake pads are provided inside the four universal wheels. The base 1 is movably connected to a displacement component 3 fixedly connected to the bottom of the connecting seat 2. The displacement component 3 includes a servo motor 31, and the servo motor 31 is fixedly connected to the right side of the inner wall of the base 1. The output shaft of the servo motor 31 is fixedly connected to a first threaded rod 32 rotatably connected to the left side of the inner wall of the base 1. The external thread of the first threaded rod 32 is connected to a threaded block 33, and the top of the threaded block 33 extends to the top of the base 1 and is fixedly connected to the bottom of the connecting seat 2.

[0024] The top of the connecting seat 2 is fixedly connected to a fixed vertical plate 4, and the front side wall of the fixed vertical plate 4 is fixedly connected to two limit plates 5 that are symmetrically distributed on the left and right. The top of the fixed vertical plate 4 is fixedly connected to a motor fixing frame 7, and the inner top wall of the motor fixing frame 7 is fixedly connected to a stepping motor 8. The output shaft of the stepping motor 8 is fixedly connected to a third threaded rod 9 that is rotatably connected to the inner bottom wall of the fixed vertical plate 4. The external thread of the third threaded rod 9 is connected to a lifting platform 10 that is slidably connected to the front side wall of the fixed vertical plate 4. The top of the lifting platform 10 is fixedly connected to a protective fence, and the front side wall of the fixed vertical plate 4 is provided with a slide groove that is compatible with the moving trajectory of the lifting platform 10.

[0025] The bottom of the lifting platform 10 is movably connected to a stabilizing component 6 that is externally clamped with the two fixed vertical plates 4. The stabilizing component 6 includes a rectangular block 61. The left and right sides of the bottom of the lifting platform 10 are fixedly connected to rectangular blocks 61. The left side wall of the left rectangular block 61 is movably connected to a second threaded rod 62 that extends to the right side of the right rectangular block 61. The outside of the second threaded rod 62 is fixedly connected to a first bevel gear 63 located between the two rectangular blocks 61. The top of the lifting platform 10 is movably connected to a rotating shaft 64 that extends to its bottom. The bottom of the rotating shaft 64 is fixedly connected to a second bevel gear 63 that meshes with the outside of the first bevel gear 63. The second bevel gear 65 is connected, and the external threaded connection of the second threaded rod 62 is provided with two threaded clamping tubes 66 which are symmetrically distributed on the left and right. The interior of the two limit plates 5 is provided with a number of limit through holes which are equidistantly distributed up and down. The limit through holes are adapted to the threaded clamping tubes 66. The two threaded clamping tubes 66 are respectively located on the opposite sides of the two rectangular blocks 61. A knob is fixedly connected to the top of the rotating shaft 64. An inspection box door is provided on the front side wall of the motor fixing frame 7. The two threaded clamping tubes 66 respectively penetrate the two limit plates 5, and the threaded clamping tubes 66 are slidably connected to the bottom of the lifting platform 10.

[0026] It is worth noting that the servo motor 31 and stepper motor 8 appearing in this application document are both externally connected to a control switch and a drive power supply, and the servo motor 31 and stepper motor 8 are both conventionally known devices. The standard parts used in this application document can all be purchased on the market, and the specific connection methods of each part are all connected using conventional means such as mature bolts, rivets, welding, etc. in the existing technology, and the machinery, parts and equipment all use conventional models in the existing technology, and the circuit connection uses conventional connection methods in the existing technology. The contents not described in detail in the description belong to the existing technology known to professional and technical personnel in this field, and will not be described in detail here.

[0027] In summary, the protective lifting platform for ship maintenance is provided with a displacement component 3. After the staff climbs up, when the position needs to be adjusted, the servo motor 31 is started to drive the first threaded rod 32 to rotate through the output shaft. The first threaded rod 32 and the threaded block 33 are used in conjunction with each other, so that the connecting seat 2 drives the fixed vertical plate 4 and the lifting platform 10 to translate, thereby achieving the purpose of adjusting its position when the staff uses it, thereby improving the practicality of the device. By providing a stabilizing component 6, the stepping motor 8 is started to drive the third threaded rod 9 to rotate, so that the lifting platform 10 is lifted. When the appropriate height is reached, the rotating shaft 64 drives the second bevel gear 65 to rotate, and the second bevel gear 65 and the first bevel gear 65 are used to rotate. The coordinated use of the bevel gear 63 allows the second threaded rod 62 to rotate and drive the left and right threaded clamping cylinders 66 to move away from each other until the two threaded clamping cylinders 66 respectively pass through the limiting holes inside the two limiting plates 5, and then they can be limited, so that the device has the purpose of stable limiting, avoiding the lifting platform from falling and causing unnecessary injuries to the staff, further improving the practicality of the device, and solving some of the defects of the existing protective lifting platform for ship maintenance during use, such as the position of the device is fixed during use, and when adjusting the position, the staff needs to move the device for adjustment. Secondly, the current lifting platform lacks a stable limiting structure, and the lifting platform is prone to fall, causing unnecessary injuries to the staff.

[0028] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective lifting platform for ship maintenance, comprising a base (1), characterized in that: The top of the base (1) is provided with a connecting seat (2), the interior of the base (1) is provided with a displacement assembly (3) fixedly connected to the bottom of the connecting seat (2), the top of the connecting seat (2) is provided with a fixed vertical plate (4), the front side wall of the fixed vertical plate (4) is provided with two limit plates (5) symmetrically distributed on the left and right, the top of the fixed vertical plate (4) is provided with a motor fixing frame (7), the inner top wall of the motor fixing frame (7) is provided with a stepping motor (8), the output shaft of the stepping motor (8) is provided with a third threaded rod (9) rotatably connected to the inner bottom wall of the fixed vertical plate (4), the outside of the third threaded rod (9) is provided with a lifting platform (10) slidably connected to the front side wall of the fixed vertical plate (4), and the bottom of the lifting platform (10) is provided with a stabilizing assembly (6) clamped to the outside of the two fixed vertical plates (4); The displacement assembly (3) includes a servo motor (31), the servo motor (31) is provided on the right side of the inner wall of the base (1), a first threaded rod (32) is provided at the output shaft of the servo motor (31) and is rotatably connected to the left side of the inner wall of the base (1), a threaded block (33) is provided on the outside of the first threaded rod (32), and the top of the threaded block (33) extends to the top of the base (1) and is connected to the bottom of the connecting seat (2); The stabilizing component (6) includes a rectangular block (61). Rectangular blocks (61) are provided on both left and right sides of the bottom of the lifting platform (10). A second threaded rod (62) having one end extending to the right side of the right rectangular block (61) is provided on the left side wall of the left rectangular block (61). A first bevel gear (63) located between the two rectangular blocks (61) is provided on the outside of the second threaded rod (62). A rotating shaft (64) having one end extending to the bottom of the lifting platform (10) is provided on the top of the lifting platform (10). A second bevel gear (65) meshing with the outside of the first bevel gear (63) is provided on the bottom of the rotating shaft (64). Two threaded clamping cylinders (66) symmetrically distributed on the left and right are provided on the outside of the second threaded rod (62). The two threaded clamping cylinders (66) are respectively located on opposite sides of the two rectangular blocks (61). The two threaded clamping cylinders (66) respectively penetrate the two limiting plates (5). The threaded clamping cylinders (66) are connected to the bottom of the lifting platform (10).

2. The protective lifting platform for ship maintenance according to claim 1, characterized in that: Two universal wheels are fixedly connected to the left and right sides of the bottom of the base (1) and are symmetrically distributed front to back.

3. The protective lifting platform for ship maintenance according to claim 2, characterized in that: Brake pads are arranged inside the four universal wheels.

4. The protective lifting platform for ship maintenance according to claim 1, characterized in that: The top of the lifting platform (10) is fixedly connected to a protective fence, and the front side wall of the fixed vertical plate (4) is provided with a sliding groove adapted to the moving track of the lifting platform (10).

5. The protective lifting platform for ship maintenance according to claim 1, characterized in that: The interiors of the two limiting plates (5) are each provided with a number of limiting through holes that are equally spaced up and down, and the limiting through holes are adapted to the threaded clamping cylinder (66).

6. The protective lifting platform for ship maintenance according to claim 1, characterized in that: A knob is fixedly connected to the top of the rotating shaft (64), and a maintenance box door is provided on the front side wall of the motor fixing frame (7).

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