An offshore platform crane that is easy to adjust
By designing an offshore platform crane including a servo motor, threaded rod and a slewing mechanism, the problem that existing cranes cannot drive cargo rotation is solved, and the height and direction of the crane and the effective lifting of cargo are adjusted.
Patent Information
- Application Number
- CN202421422580.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-21
AI Technical Summary
The existing offshore platform cranes cannot drive the cargo to rotate during cargo lifting, which lacks practicality.
An offshore platform crane including a first box, a base, a servo motor, a threaded rod, a threaded sleeve, a connecting block, a connecting column, a partition and a rotary mechanism is designed. The rotation of the threaded rod drives the movement of the threaded sleeve and the connecting block, adjust the height of the partition and the main truss, and adjust the direction of the main truss through the rotary mechanism to achieve the lifting and rotation of the goods.
The height and direction adjustment of the offshore platform crane is realized, and the cargo can be driven to rotate during the cargo lifting process, improving the practicality and stability of the crane.
Smart Images

Figure CN222729354U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of offshore platforms, in particular to an offshore platform crane which is easy to adjust. Background Art
[0002] An offshore platform is a truss structure that is above the sea level and has a horizontal surface. It is used for production operations or other activities. An offshore platform is convenient for people to work at sea.
[0003] At work, offshore platform cranes are commonly used equipment. A Chinese patent discloses a crane that is easy to adjust the height (authorization announcement number CN210048399U). The patented technology has the effect of facilitating the adjustment of the height of the vertical pole, but the patented technology is not easy to rotate. During the cargo lifting process, the cargo can only be moved longitudinally, and the cargo cannot be driven to rotate, which has the disadvantage of lack of practicality.
[0004] Therefore, those skilled in the art provide an offshore platform crane that is easy to adjust to solve the problems raised in the above background technology. Utility Model Content
[0005] The purpose of the utility model is to provide an offshore platform crane that is easy to adjust, so as to solve the problems raised in the above-mentioned background technology.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] An offshore platform crane that is easy to adjust, comprising a first box body and a base, a first servo motor is fixedly installed on the right side of the surface of the first box body, a threaded rod is fixedly installed on the output end of the first servo motor, threaded sleeves are fixedly installed on the left and right sides of the surface of the threaded rod, a connecting block is fixedly installed on the top of the threaded sleeve, the inner cavity of the connecting block is movably connected to a connecting column through a rotating shaft, the upper end of the connecting column is movably connected to a partition through a rotating shaft, a main truss is fixedly installed on the top of the base, a connecting plate is fixedly installed on the right side of the main truss, the inner cavity of the connecting plate is movably connected to a winch through a rotating shaft, a steel wire rope is wound around the surface of the winch, and a hook is fixedly connected to the lower end of the steel wire rope;
[0008] A rotating mechanism is provided on the top of the partition, and the rotating mechanism includes a second servo motor, which is fixedly installed on the top of the partition, and a transmission rod is fixedly installed on the output end of the second servo motor, and a gear is fixedly installed on the top of the transmission rod, and a gear is meshingly connected with a gear sleeve on the surface of the gear, and a second box is fixedly installed on the surface of the gear sleeve, and the top of the second box is fixedly connected to the bottom of the base.
[0009] As a further solution of the utility model: a motor box is fixedly installed on the right side of the surface of the first box body, and positioning bolts are fixedly installed around the surface of the motor box.
[0010] As a further solution of the utility model: a slider is fixedly installed on the bottom of the threaded sleeve, a first slide groove is opened at the bottom of the inner cavity of the first box body, and the bottom of the slider is slidably connected to the inner cavity of the first slide groove.
[0011] As a further solution of the utility model: a limit block is fixedly installed on the surface of the threaded rod, and the diameter of the limit block is larger than the diameter of the threaded sleeve.
[0012] As a further solution of the utility model: a bottom plate is fixedly installed at the bottom of the first box body, and anchor bolts are fixedly installed around the surface of the bottom plate.
[0013] As a further solution of the utility model: second slide grooves are provided on both left and right sides of the inner cavity of the first box body, and both left and right sides of the partition surface are slidably connected to the inner cavity of the second slide grooves.
[0014] As a further solution of the utility model: an annular sliding groove is provided on the top of the partition, and the bottom of the second box body is slidably connected to the inner cavity of the annular sliding groove.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] 1. The utility model can drive the threaded sleeve to move inwardly through the rotation of the threaded rod, and can drive the connecting block to move inwardly through the movement of the threaded sleeve, and can drive the lower end of the connecting column to move inwardly through the movement of the connecting block, and can drive the upper end of the connecting column to move upwardly through the movement of the lower end of the connecting column, and can drive the partition to move upwardly through the movement of the upper end of the connecting column, so as to adjust the height of the second box body and the main truss. The direction of the main truss can be adjusted by setting the slewing mechanism, and the wire rope can be extended downwardly by the rotation of the winch, and the cargo can be lifted by the hook.
[0017] 2. The utility model can protect the first servo motor through the motor box to prevent the first servo motor from accidentally colliding with external objects, thereby causing equipment failure and affecting work use; the cooperation between the slider and the first slide groove can improve the stability of the threaded sleeve during movement; the threaded sleeve can be limited by the limit block to prevent the threaded sleeves from colliding with each other during the process of moving inward; the anchor bolt can be penetrated into the ground by hammering down the top of the anchor bolt, thereby fixing the bottom plate and improving the overall stability; the partition can be limited by the second slide groove to prevent the partition from shifting during movement; the stability of the second box body during rotation can be improved by the annular slide groove. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a structural schematic diagram of an offshore platform crane that is easy to adjust;
[0019] Figure 2 It is a schematic cross-sectional view of an offshore platform crane that is easy to adjust;
[0020] Figure 3 A schematic top view of a gear in an offshore platform crane that is easy to adjust;
[0021] Figure 4 The figure is a schematic diagram of a threaded sleeve structure in an offshore platform crane that is easy to adjust.
[0022] In the figure: 1. first box; 2. first servo motor; 3. threaded rod; 4. threaded sleeve; 5. connecting block; 6. connecting column; 7. partition; 8. slewing mechanism; 801. second servo motor; 802. transmission rod; 803. gear; 804. gear sleeve; 805. second box; 9. base; 10. main truss; 11. connecting plate; 12. winch; 13. wire rope; 14. hook; 15. motor box; 16. positioning bolt; 17. slider; 18. first slide; 19. limit block; 20. bottom plate; 21. anchor bolt; 22. second slide; 23. annular slide. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1-4 , an offshore platform crane that is easy to adjust, including a first box body 1 and a base 9, a first servo motor 2 is fixedly installed on the right side of the surface of the first box body 1, a threaded rod 3 is fixedly installed on the output end of the first servo motor 2, a threaded sleeve 4 is fixedly installed on the left and right sides of the surface of the threaded rod 3, a connecting block 5 is fixedly installed on the top of the threaded sleeve 4, the inner cavity of the connecting block 5 is movably connected to a connecting column 6 through a rotating shaft, and the upper end of the connecting column 6 is movably connected to a partition 7 through a rotating shaft, a main truss 10 is fixedly installed on the top of the base 9, a connecting plate 11 is fixedly installed on the right side of the main truss 10, and a winch 12 is movably connected to the inner cavity of the connecting plate 11 through a rotating shaft, a steel wire rope 13 is wound around the surface of the winch 12, and a hook 14 is fixedly connected to the lower end of the steel wire rope 13;
[0025] A rotating mechanism 8 is provided on the top of the partition 7, and the rotating mechanism 8 includes a second servo motor 801, and the second servo motor 801 is fixedly installed on the top of the partition 7. A transmission rod 802 is fixedly installed on the output end of the second servo motor 801, and a gear 803 is fixedly installed on the top of the transmission rod 802. The surface of the gear 803 is meshingly connected with a gear sleeve 804, and the surface of the gear sleeve 804 is fixedly installed with a second box body 805, and the top of the second box body 805 is fixedly connected to the bottom of the base 9.
[0026] Specifically, a motor box 15 is fixedly installed on the right side of the surface of the first box body 1 , and positioning bolts 16 are fixedly installed around the surface of the motor box 15 .
[0027] Through the above technical solution, the first servo motor 2 can be protected by the motor box 15 to prevent the first servo motor 2 from accidentally colliding with external objects, thereby causing equipment failure and affecting work use.
[0028] Specifically, a slider 17 is fixedly mounted on the bottom of the threaded sleeve 4 , a first slide groove 18 is provided at the bottom of the inner cavity of the first box body 1 , and the bottom of the slider 17 is slidably connected to the inner cavity of the first slide groove 18 .
[0029] Through the above technical solution, the stability of the threaded sleeve 4 during movement can be improved through the cooperation between the slider 17 and the first slide groove 18.
[0030] Specifically, a limit block 19 is fixedly installed on the surface of the threaded rod 3 , and the diameter of the limit block 19 is greater than the diameter of the threaded sleeve 4 .
[0031] Through the above technical solution, the threaded sleeve 4 can be limited by the limiting block 19 to prevent the threaded sleeves 4 from colliding with each other during the process of moving inward.
[0032] Specifically, a bottom plate 20 is fixedly installed at the bottom of the first box body 1 , and anchor bolts 21 are fixedly installed around the surface of the bottom plate 20 .
[0033] Through the above technical solution, the anchor bolt 21 can be penetrated into the ground by hammering down the top of the anchor bolt 21, so as to fix the base plate 20 and ensure the overall stability.
[0034] Specifically, the second slide grooves 22 are provided on both the left and right sides of the inner cavity of the first box body 1 , and the left and right sides of the surface of the partition plate 7 are slidably connected to the inner cavity of the second slide grooves 22 .
[0035] Through the above technical solution, the partition 7 can be limited by the second sliding groove 22 to prevent the partition 7 from shifting during the movement.
[0036] Specifically, an annular sliding groove 23 is formed on the top of the partition 7 , and the bottom of the second box body 805 is slidably connected to the inner cavity of the annular sliding groove 23 .
[0037] Through the above technical solution, the stability of the second box body 805 during rotation can be improved through the annular slide groove 23.
[0038] The working principle of the utility model is as follows: during use, the first servo motor 2 can be started to work through the external controller, and when the first servo motor 2 is started, the threaded rod 3 can be driven to rotate, and the threaded sleeve 4 can be driven to move inward by the rotation of the threaded rod 3, and the connection block 5 can be driven to move inward by the movement of the threaded sleeve 4, and the lower end of the connecting column 6 can be driven to move inward by the movement of the connecting block 5, and the upper end of the connecting column 6 can be driven to move upward by the movement of the lower end of the connecting column 6, and the partition 7 can be driven to move upward by the movement of the upper end of the connecting column 6, so as to adjust the height of the second box 805 and the main truss 10, and the external controller can be used. The second servo motor 801 can be started to work. When the second servo motor 801 is started, the transmission rod 802 can be driven to rotate. The rotation of the transmission rod 802 can drive the gear 803 to rotate. The rotation of the gear 803 can drive the gear sleeve 804 to rotate. The rotation of the gear sleeve 804 can drive the second box 805 to rotate. The rotation of the second box 805 can drive the base 9 and the main truss 10 to rotate, so as to adjust the direction of the main truss 10. The winch 12 can be started to rotate through the external controller. The rotation of the winch 12 can drive the wire rope 13 to extend downward, and the cargo can be lifted by the hook 14.
[0039] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An offshore platform crane that is easy to adjust, comprising a first box (1) and a base (9), characterized in that: A first servo motor (2) is fixedly mounted on the right side of the surface of the first box body (1), a threaded rod (3) is fixedly mounted on the output end of the first servo motor (2), threaded sleeves (4) are fixedly mounted on the left and right sides of the surface of the threaded rod (3), a connecting block (5) is fixedly mounted on the top of the threaded sleeve (4), the inner cavity of the connecting block (5) is movably connected to a connecting column (6) via a rotating shaft, the upper end of the connecting column (6) is movably connected to a partition plate (7) via a rotating shaft, a main truss (10) is fixedly mounted on the top of the base (9), a connecting plate (11) is fixedly mounted on the right side of the main truss (10), the inner cavity of the connecting plate (11) is movably connected to a winch (12) via a rotating shaft, a steel wire rope (13) is wound around the surface of the winch (12), and a hook (14) is fixedly connected to the lower end of the steel wire rope (13); A rotating mechanism (8) is provided at the top of the partition (7), and the rotating mechanism (8) comprises a second servo motor (801), the second servo motor (801) is fixedly mounted on the top of the partition (7), a transmission rod (802) is fixedly mounted on the output end of the second servo motor (801), a gear (803) is fixedly mounted on the top of the transmission rod (802), a surface of the gear (803) is meshingly connected with a gear sleeve (804), a surface of the gear sleeve (804) is fixedly mounted with a second box body (805), and the top of the second box body (805) is fixedly connected to the bottom of the base (9).
2. The easily adjustable offshore platform crane according to claim 1, characterized in that: A motor box (15) is fixedly mounted on the right side of the surface of the first box body (1), and positioning bolts (16) are fixedly mounted on all four sides of the surface of the motor box (15).
3. The easily adjustable offshore platform crane according to claim 1, characterized in that: A slider (17) is fixedly mounted on the bottom of the threaded sleeve (4), a first slide groove (18) is provided at the bottom of the inner cavity of the first box body (1), and the bottom of the slider (17) is slidably connected to the inner cavity of the first slide groove (18).
4. The easily adjustable offshore platform crane according to claim 1, characterized in that: A limit block (19) is fixedly mounted on the surface of the threaded rod (3), and the diameter of the limit block (19) is greater than the diameter of the threaded sleeve (4).
5. The easily adjustable offshore platform crane according to claim 1, characterized in that: A bottom plate (20) is fixedly mounted on the bottom of the first box body (1), and anchor bolts (21) are fixedly mounted on all four sides of the surface of the bottom plate (20).
6. The easily adjustable offshore platform crane according to claim 1, characterized in that: Second slide grooves (22) are provided on both left and right sides of the inner cavity of the first box body (1), and both left and right sides of the surface of the partition plate (7) are slidably connected to the inner cavity of the second slide grooves (22).
7. The easily adjustable offshore platform crane according to claim 1, characterized in that: An annular sliding groove (23) is provided on the top of the partition (7), and the bottom of the second box body (805) is slidably connected to the inner cavity of the annular sliding groove (23).
Citation Information
Patent Citations
Crane with height convenient to adjust
CN210048399U