Protective assembly for ship maintenance lifting frame
By designing a protective component for ship maintenance lifting racks, combining hydraulic rods, connecting rods, stepper motors and guide mechanisms, the problems of large hydraulic rod pressure and cumbersome lifting rack size replacement are solved, achieving longer service life and higher stability and practicality.
Patent Information
- Application Number
- CN202422092402.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-28
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-08-28
AI Technical Summary
During the use of existing ship maintenance lifting racks, the hydraulic rods bear a large pressure, resulting in a shortened service life. At the same time, the lifting racks need to frequently replace steel frames of different sizes, which increases the labor and maintenance time of the staff.
A protective component is designed, including a base, hydraulic rod, connecting rod, fixing block, support mechanism, mounting shell, stepper motor, spur gear and guide mechanism. Through the cooperation of these components, the pressure of the hydraulic rod is reduced, the stability of the lift frame is improved, and the fast movement and stable support of the fixture is achieved through the stepper motor and gear system.
It extends the service life of the hydraulic rod, reduces the labor and maintenance time of the staff, and improves the stability and practicality of the lifting frame.
Smart Images

Figure CN222989691U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ship maintenance lifting frames, and particularly relates to a protection component for a ship maintenance lifting frame. Background Technique
[0002] Ship maintenance is to ensure that the ship maintains a good technical state during use, extends its service life, improves operation efficiency and safety. Ship maintenance lifting frames, usually referring to ship elevators, are needed in operations such as ship maintenance, maintenance, equipment installation, and replacement and repair of the bottom coating.
[0003] However, when an existing ship maintenance lifting frame is put into use, the mounting frame is lifted by a hydraulic rod to allow workers to enter the bottom of the ship for work. But most ship maintenance lifting frames only have a hydraulic rod to drive the mounting frame. Due to the high gravity of the ship, the pressure on the hydraulic rod is relatively large. And since workers need to work at the bottom of the ship for a long time, over time, the service life of the hydraulic rod is reduced.
[0004] At the same time, most ship maintenance lifting frames often need to support ships of different sizes. But for the lifting frame, workers need to separately disassemble nuts and bolts to replace the steel frames of different sizes, so workers need to repeat the disassembly and installation many times, which not only increases the labor intensity of workers but also reduces the maintenance rate of workers. Content of the Utility Model
[0005] The purpose of the utility model is to provide a protection component for a ship maintenance lifting frame to solve the problems raised in the above background technique.
[0006] To achieve the above purpose, the utility model provides the following technical solution: A protection component for a ship maintenance lifting frame, including a base and a hydraulic rod bolted to the top of the base, and further including:
[0007] A connecting rod bolted to the output shaft of the hydraulic rod. One side of the connecting rod is bolted with a fixing block. A support mechanism is arranged on one side of the fixing block. The top of the connecting rod is bolted with an installation shell. A fixing frame is arranged on one side of the installation shell. A stepping motor is bolted to one side of the installation shell.
[0008] A spur gear fixed to the output shaft of the stepping motor. A first gear rack is meshed on one side of the spur gear. A second gear rack is meshed on one side of the spur gear. A connecting block is bolted to the inner cavity of the installation shell. A moving block is bolted to one side of the first gear rack. A guiding mechanism is arranged on one side of the fixing frame.
[0009] Preferably, the support mechanism includes a fixed shell hinged to one side of the fixed block. A moving rod is slidably connected to the inner cavity of the fixed shell. One end of the moving rod is hinged to one side of the other fixed block. A slider is bolted to the surface of the moving rod, and the surface of the slider is slidably connected to the inner cavity of the fixed shell.
[0010] Preferably, the guiding mechanism includes a connecting shell bolted to the top of the connecting rod. A guiding rod is fixed in the inner cavity of the connecting shell. A guiding block is slidably connected to the surface of the guiding rod, and one side of the guiding block is bolted to one side of the fixed frame.
[0011] Preferably, the number of the support mechanisms is several and they are symmetrically designed with respect to the central axis of the base.
[0012] Preferably, the first gear rack and the second gear rack have the same size.
[0013] Preferably, the guiding rod is located at the central part of the guiding block, and the inner cavity of the connecting shell is slidably connected to the surface of the guiding block.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0015] Through the cooperation of the connecting rod, the fixed block and the support mechanism, the present utility model can reduce the pressure exerted on the ship by the hydraulic rod, thereby increasing the service life of the hydraulic rod. At the same time, through the cooperation of the stepping motor, the spur gear, the first gear rack and the second gear rack, the moving block can drive the fixed frames on both sides to move in opposite directions simultaneously, accelerating the maintenance rate of the staff, reducing the labor intensity of the staff, and under the action of the guiding mechanism, improving the stability of the fixed frame during operation, thereby enhancing the stability of the lifting frame. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;
[0017] Figure 2 is a structural schematic diagram of the mounting shell of the present utility model;
[0018] Figure 3 is a structural schematic diagram of the support mechanism of the present utility model;
[0019] Figure 4 is a structural schematic diagram of the first gear rack and the second gear rack of the present utility model.
[0020] In the figure: 1, base; 2, hydraulic rod; 3, connecting rod; 4, fixing block; 5, support mechanism; 51, fixing shell; 52, moving rod; 53, slider; 6, mounting shell; 7, stepper motor; 8, spur gear; 9, first rack; 10, second rack; 11, connecting block; 12, moving block; 13, fixing frame; 14, guiding mechanism; 141, connecting shell; 142, guiding rod; 143, guiding block. Detailed implementation manner
[0021] 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. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0022] Please refer to Figures 1-4As shown in the figure, a protective component for a ship maintenance lifting frame includes a base 1, which can support the lifting frame. A hydraulic rod 2 is bolted to the top of the base 1, and a connecting rod 3 is bolted to the output shaft of the hydraulic rod 2. Under the action of the hydraulic rod 2, the connecting rod 3 can move upward. A fixing block 4 is bolted to one side of the connecting rod 3, and a supporting mechanism 5 is arranged on one side of the fixing block 4. The number of the supporting mechanisms 5 is several and they are symmetrically designed with the central axis of the base 1. Under the action of the hydraulic rod 2 and the connecting rod 3, the fixing block 4 and the supporting mechanism 5 can work to assist in supporting the connecting rod 3, effectively reducing the situation of position deviation of the connecting rod 3 during work, increasing the stability of the connecting rod 3, and thus increasing the stability of the lifting frame. A mounting shell 6 is bolted to the top of the connecting rod 3, and a fixing frame 13 is arranged on one side of the mounting shell 6. Under the action of the mounting shell 6 and the fixing frame 13, the ship can move upward, enabling the staff to enter the bottom of the ship for work. A stepping motor 7 is bolted to one side of the mounting shell 6, a spur gear 8 is fixed to the output shaft of the stepping motor 7, a first gear rack 9 is meshed with one side of the spur gear 8, and a second gear rack 10 is meshed with one side of the spur gear 8. The first gear rack 9 and the second gear rack 10 have the same size. Under the action of the stepping motor 7, the spur gear 8 can drive the first gear rack 9 and the second gear rack 10 to move in opposite directions simultaneously. A connecting block 11 is bolted to the inner cavity of the mounting shell 6, and the inner cavity of the connecting block 11 is slidably connected to the surface of the first gear rack 9. Under the action of the connecting block 11, the first gear rack 9 and the second gear rack 10 can work. A moving block 12 is bolted to one side of the first gear rack 9, and one side of the moving block 12 is bolted to one side of the fixing frame 13. Under the cooperation of the first gear rack 9 and the second gear rack 10, the moving block 12 can drive the fixing frames 13 on both sides to move in opposite directions simultaneously, enabling the lifting frame to support ships of different sizes, thus improving the practicability of the lifting frame. A guiding mechanism 14 is arranged on one side of the fixing frame 13. Under the action of the guiding mechanism 14, the fixing frame 13 can move more stably, thereby increasing the stability of the lifting frame.
[0023] The supporting mechanism 5 includes a fixing shell 51. One side of the fixing shell 51 is hinged to one side of the fixing block 4. A moving rod 52 is slidably connected to the inner cavity of the fixing shell 51. One end of the moving rod 52 is hinged to one side of the other fixing block 4. A slider 53 is bolted to the surface of the moving rod 52, and the surface of the slider 53 is slidably connected to the inner cavity of the fixing shell 51. Under the cooperation of the hydraulic rod 2 and the connecting rod 3, the fixing block 4 can drive the fixing shell 51 to move upward. Under the action of the slider 53, the moving rod 52 can be prevented from moving out of the inside of the slider 53. And under the cooperation of the fixing shell 51 and the moving rod 52, the connecting rod 3 can be supported, increasing the stability of the connecting rod 3, thus increasing the safety of the staff and improving the service life of the hydraulic rod 2.
[0024] The guiding mechanism 14 includes a connecting shell 141. One side of the connecting shell 141 is bolted to the top of the connecting rod 3. A guiding rod 142 is fixed inside the connecting shell 141. A guiding block 143 is slidably connected to the surface of the guiding rod 142. One side of the guiding block 143 is bolted to one side of the fixing frame 13. The guiding rod 142 is located at the central part of the guiding block 143. The inner cavity of the connecting shell 141 is slidably connected to the surface of the guiding block 143. With the cooperation of the first gear rack 9 and the second gear rack 10, the fixing frames 13 on both sides can drive the guiding block 143 to move on the surface of the guiding rod 142 simultaneously, effectively preventing the fixing frame 13 from shifting in position during movement, thereby increasing the stability of the lifting frame.
[0025] Working principle: First, the staff needs to transport the lifting frame to the working position. When the size of the ship is different from that of the lifting frame, under the action of the stepping motor 7, the spur gear 8 can drive the first gear rack 9 and the second gear rack 10 to move. And under the action of the moving block 12, the fixing frames 13 on both sides can move in opposite directions. The fixing frames 13 drive the guiding blocks 143 on both sides to move on the surface of the guiding rod 142, enabling the fixing frames 13 to move more stably. Subsequently, when the staff installs the ship on one side of the fixing frame 13, when the staff needs to work on the bottom of the ship, under the action of the hydraulic rod 2, the connecting rod 3 can drive the fixing shell 51 to move upward through the fixing block 4. At the same time, the moving rod 52 and the slider 53 move inside the fixing shell 51, so that the moving rod 52 and the fixing shell 51 can support the connecting rod 3. After the hydraulic rod 2 and the connecting rod 3 drive the ship to move upward, the staff can enter the bottom of the ship to work.
[0026] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising a..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the element.
[0027] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A protective assembly for a ship maintenance lifting frame, comprising a base (1) and a hydraulic rod (2) bolted to the top of the base (1), characterized in that: Also includes: A connecting rod (3) bolted to the output shaft of the hydraulic rod (2), a fixing block (4) bolted to one side of the connecting rod (3), a supporting mechanism (5) provided on one side of the fixing block (4), a mounting shell (6) bolted to the top of the connecting rod (3), a fixing frame (13) provided on one side of the mounting shell (6), and a stepping motor (7) bolted to one side of the mounting shell (6); A spur gear (8) is fixed to the output shaft of a stepper motor (7), one side of the spur gear (8) is meshed with a first gear bar (9), one side of the spur gear (8) is meshed with a second gear bar (10), the inner cavity of the mounting shell (6) is bolted with a connecting block (11), one side of the first gear bar (9) is bolted with a moving block (12), and one side of the fixed frame (13) is provided with a guide mechanism (14).
2. A protective assembly for a ship maintenance lifting frame according to claim 1, characterized in that: The support mechanism (5) comprises a fixed shell (51) hinged to one side of the fixed block (4); the inner cavity of the fixed shell (51) is slidably connected to a moving rod (52); one end of the moving rod (52) is hinged to one side of the fixed block (4) on the other side; a sliding block (53) is bolted to the surface of the moving rod (52); and the surface of the sliding block (53) is slidably connected to the inner cavity of the fixed shell (51).
3. A protective assembly for a ship maintenance lifting frame according to claim 1, characterized in that: The guide mechanism (14) comprises a connection shell (141) bolted to the top of the connection rod (3); a guide rod (142) is fixed to the inner cavity of the connection shell (141); a guide block (143) is slidably connected to the surface of the guide rod (142); one side of the guide block (143) is bolted to one side of the fixing frame (13).
4. A protective assembly for a ship maintenance lifting frame according to claim 1, characterized in that: The supporting mechanisms (5) are multiple in number and are designed to be symmetrical with respect to the central axis of the base (1).
5. The protective assembly for a ship maintenance lifting frame according to claim 1, characterized in that: The first gear bar (9) and the second gear bar (10) have the same size.
6. A protection assembly for a ship maintenance lifting frame according to claim 3, characterized in that: The guide rod (142) is located at the center of the guide block (143), and the inner cavity of the connecting shell (141) is slidably connected to the surface of the guide block (143).