Lifting appliance with adjustable angle
By arranging an angle adjustment component and a limit fixing component on the spreader, the problems of the spreader's non-adjustable angle and non-replaceable hook are solved, flexible angle adjustment of the spreader and convenient replacement of the hook are achieved, and the practicality of the spreader is improved.
Patent Information
- Application Number
- CN202423019663.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-12-09
AI Technical Summary
The existing sling angle cannot be adjusted, requiring staff to manually adjust the equipment position, and the hook size is fixed, which is poor in practicality.
A lifting device with an angle adjustment component and a limit fixing component was designed. The hook was driven to rotate by a micro servo motor and a reduction gearbox to achieve angle adjustment, and the hooks of different sizes were fixed by limit bolts and nuts.
The flexible adjustment of the spreader angle and the convenient replacement of the hook are realized, thus improving the practicality of the spreader.
Smart Images

Figure CN223397315U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of slings, in particular to an angle-adjustable sling. Background Art
[0002] In industries such as mechanical loading and unloading, engineering construction, etc., slings are often used to lift heavy objects. Slings play an important role in the production and assembly process.
[0003] Currently, most of the existing slings are not adjustable in angle, and the staff needs to adjust the position of the lifting equipment for adjustment, which is inconvenient. Secondly, most of the existing slings are of one-piece design, which is not convenient for replacing hooks of different sizes and has poor practicality. Therefore, an angle-adjustable sling 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 an angle-adjustable sling, which has the advantages of being able to adjust the angle of the sling and facilitating the replacement of hooks of different sizes. It solves the problem that most existing slings cannot be adjusted in angle, requiring staff to adjust the position of the lifting equipment for adjustment, which is inconvenient. Secondly, the existing slings are mostly one-piece designs, which are not convenient for replacing hooks of different sizes and have poor practicality.
[0006] (2) Technical solution
[0007] In order to achieve the above-mentioned purpose of being able to adjust the angle of the sling and facilitate replacing hooks of different sizes, the utility model provides the following technical solutions: an angle-adjustable sling, comprising a connecting column and a hook, the top of the connecting column is provided with a rope ring, the bottom of the connecting column is provided with a connecting plate, the inner top wall of the connecting column is provided with an angle adjustment component fixedly connected to the top of the connecting plate, the right side of the angle adjustment component extends to the right side of the connecting column, the bottom of the connecting plate is provided with a connecting seat, the hook is located below the connecting seat, the top of the hook is provided with a connecting shaft with one end extending to the inside of the connecting seat, the left side wall of the connecting seat is provided with a limiting fixing component with one end extending to the right side thereof, and the limiting fixing component is connected to the inside of the connecting shaft;
[0008] The angle adjustment assembly includes a rotating shaft, an inner top wall of the connecting column is provided with a rotating shaft fixedly connected to the top of the connecting plate, a first bevel gear is provided on the outside of the rotating shaft, a connecting frame is provided on the right side wall of the connecting column, a micro servo motor is provided on the right side of the inner wall of the connecting frame, a battery located inside the connecting frame is provided on the right side wall of the connecting column, a reduction gear box fixedly connected to the inner wall of the connecting column is provided at the output shaft of the micro servo motor, and a second bevel gear meshing with the outside of the first bevel gear is provided at the output end of the reduction gear box;
[0009] The limiting fixing assembly includes a limiting bolt. The left side wall of the connecting seat is provided with a limiting bolt with one end extending to its right side. The limiting bolt passes through the connecting shaft. The outside of the limiting bolt is provided with two limiting nuts, which are respectively located on the left and right sides of the connecting seat.
[0010] Preferably, an annular sliding groove adapted to the moving track of the connecting plate is provided at the bottom of the connecting column.
[0011] Preferably, a heat dissipation mesh is provided on the rear side wall of the connection frame, and an inspection box door is provided on the rear side wall of the connection frame.
[0012] Preferably, the micro servo motor and the battery are electrically connected via a wire and a control switch, the control switch extends to the outside of the connection frame, and the rear side wall of the battery is provided with a charging interface with one end extending to the rear side of the connection frame.
[0013] Preferably, a threaded hole adapted to the limiting bolt is provided inside the connecting shaft.
[0014] (3) Beneficial effects
[0015] Compared with the prior art, the present invention provides an angle-adjustable sling with the following beneficial effects:
[0016] 1. The angle-adjustable spreader is provided with an angle adjustment component. When the angle needs to be adjusted, the micro servo motor is started to drive the second bevel gear to rotate through cooperation with the reduction gearbox. The cooperation between the second bevel gear and the first bevel gear enables the rotating shaft to drive the connecting plate and the hook at the bottom thereof to rotate, thereby achieving the purpose of adjusting the angle of the spreader and improving the practicality of the device.
[0017] 2. The angle-adjustable sling is provided with a limit fixing assembly. When the hook needs to be replaced, first rotate the two limit nuts to unscrew them from the limit bolt, and then unscrew the limit bolt from the connecting seat. At this time, pull the hook downward to drive the connecting shaft out of the connecting seat, and then drive other hooks to insert the connecting shaft into the interior of the connecting seat. Finally, it is fixed through the cooperation of the limit bolt and the two limit nuts, thereby achieving the purpose of facilitating the replacement of hooks of different sizes and further improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the structure of the utility model;
[0019] Figure 2 For this utility model Figure 1 Enlarged schematic diagram at point A in the middle.
[0020] In the figure: 1. Connecting column; 2. Rope ring; 3. Connecting plate; 4. Angle adjustment assembly; 41. Rotating shaft; 42. First bevel gear; 43. Connecting frame; 44. Micro servo motor; 45. Battery; 46. Reduction gearbox; 47. Second bevel gear; 5. Connecting seat; 6. Hook; 7. Connecting shaft; 8. Limit fixing assembly; 81. Limit bolt; 82. Limit nut. DETAILED DESCRIPTION
[0021] 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.
[0022] See also Figure 1-2, an angle-adjustable sling, including a connecting column 1 and a hook 6, the top of the connecting column 1 is fixedly connected to a rope ring 2, the bottom of the connecting column 1 is slidably connected to a connecting plate 3, the bottom of the connecting column 1 is provided with an annular slide groove adapted to the moving trajectory of the connecting plate 3, the inner top wall of the connecting column 1 is movably connected to an angle adjustment component 4 fixedly connected to the top of the connecting plate 3, the right side of the angle adjustment component 4 extends to the right side of the connecting column 1, the angle adjustment component 4 includes a rotating shaft 41, the inner top wall of the connecting column 1 is rotatably connected to a rotating shaft 41 fixedly connected to the top of the connecting plate 3, the outside of the rotating shaft 41 is fixedly connected to a first bevel gear 42, the right side wall of the connecting column 1 is fixedly connected to a connecting frame 43, the rear of the connecting frame 43 The side wall is provided with a heat dissipation mesh, and the rear side wall of the connecting frame 43 is provided with an inspection box door. A micro servo motor 44 is fixedly connected to the right side of the inner wall of the connecting frame 43, and the right side wall of the connecting column 1 is fixedly connected to the battery 45 located inside the connecting frame 43. The output shaft of the micro servo motor 44 is fixedly connected to a reduction gear box 46 fixedly connected to the inner wall of the connecting column 1, and the output end of the reduction gear box 46 is fixedly connected to a second bevel gear 47 that meshes with the outside of the first bevel gear 42. The micro servo motor 44 and the battery 45 are electrically connected through a wire and a control switch. The control switch extends to the outside of the connecting frame 43, and the rear side wall of the battery 45 is provided with a charging interface with one end extending to the rear side of the connecting frame 43.
[0023] The bottom of the connecting plate 3 is fixedly connected to the connecting seat 5, the hook 6 is located below the connecting seat 5, the top of the hook 6 is fixedly connected to the connecting shaft 7 with one end extending to the inside of the connecting seat 5, and the left side wall of the connecting seat 5 is movably connected to a limit fixing component 8 with one end extending to its right side. The limit fixing component 8 is connected to the internal thread of the connecting shaft 7, and the limit fixing component 8 includes a limit bolt 81. The left side wall of the connecting seat 5 is threadedly connected to the limit bolt 81 with one end extending to its right side. The limit bolt 81 passes through the connecting shaft 7, and a threaded hole compatible with the limit bolt 81 is opened inside the connecting shaft 7. The external thread of the limit bolt 81 is connected to two limit nuts 82 located on the left and right sides of the connecting seat 5 respectively.
[0024] It is worth noting that the standard parts used in this application document can all be purchased from the market, and the specific connection methods of each part are 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 content not described in detail in the description belongs to the existing technology known to professional and technical personnel in this field, and will not be described in detail here.
[0025] In summary, the angle-adjustable sling is provided with an angle adjustment component 4. When the angle needs to be adjusted, the micro servo motor 44 is started to drive the second bevel gear 47 to rotate through the cooperation with the reduction gear box 46. The second bevel gear 47 and the first bevel gear 42 are used in cooperation, so that the rotating shaft 41 drives the connecting plate 3 and the hook 6 at the bottom thereof to rotate, thereby achieving the purpose of adjusting the angle of the sling and improving the practicality of the device. By providing a limit fixing component 8, when the hook 6 needs to be replaced, the two limit nuts 82 are first rotated to unscrew them from the limit bolt 81, and then Then, the limiting bolt 81 is unscrewed from the connecting seat 5. At this time, the hook 6 is pulled downward to drive the connecting shaft 7 to be pulled out from the connecting seat 5. Then, the other hooks 6 drive the connecting shaft 7 to be inserted into the interior of the connecting seat 5. Finally, it is fixed by the cooperation of the limiting bolt 81 and the two limiting nuts 82, thereby achieving the purpose of facilitating the replacement of hooks of different sizes, further improving the practicality of the device, and solving the problem that most of the existing slings cannot be adjusted in angle, and the staff need to adjust the position of the lifting equipment for adjustment, which is relatively inconvenient. Secondly, the existing slings are mostly one-piece designs, which are not convenient for replacing hooks of different sizes and have poor practicality.
[0026] 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.
[0027] 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. An angle-adjustable sling, comprising a connecting column (1) and a hook (6), characterized in that: The top of the connecting column (1) is provided with a rope ring (2), the bottom of the connecting column (1) is provided with a connecting plate (3), the inner top wall of the connecting column (1) is provided with an angle adjustment component (4) fixedly connected to the top of the connecting plate (3), the right side of the angle adjustment component (4) extends to the right side of the connecting column (1), the bottom of the connecting plate (3) is provided with a connecting seat (5), the hook (6) is located below the connecting seat (5), the top of the hook (6) is provided with a connecting shaft (7) with one end extending to the inside of the connecting seat (5), the left side wall of the connecting seat (5) is provided with a limit fixing component (8) with one end extending to the right side thereof, and the limit fixing component (8) is connected to the inside of the connecting shaft (7); The angle adjustment assembly (4) includes a rotating shaft (41), the inner top wall of the connecting column (1) is provided with a rotating shaft (41) fixedly connected to the top of the connecting plate (3), the outside of the rotating shaft (41) is provided with a first bevel gear (42), the right side wall of the connecting column (1) is provided with a connecting frame (43), the right side of the inner wall of the connecting frame (43) is provided with a micro servo motor (44), the right side wall of the connecting column (1) is provided with a battery (45) located inside the connecting frame (43), the output shaft of the micro servo motor (44) is provided with a reduction gear box (46) fixedly connected to the inner wall of the connecting column (1), and the output end of the reduction gear box (46) is provided with a second bevel gear (47) meshing with the outside of the first bevel gear (42); The limiting fixing assembly (8) includes a limiting bolt (81), and the left side wall of the connecting seat (5) is provided with a limiting bolt (81) with one end extending to the right side thereof. The limiting bolt (81) passes through the connecting shaft (7), and the outside of the limiting bolt (81) is provided with two limiting nuts (82) respectively located on the left and right sides of the connecting seat (5).
2. The angle-adjustable sling according to claim 1, characterized in that: The bottom of the connecting column (1) is provided with an annular sliding groove adapted to the moving track of the connecting plate (3).
3. The angle-adjustable sling according to claim 1, characterized in that: The rear side wall of the connection frame (43) is provided with a heat dissipation mesh hole, and the rear side wall of the connection frame (43) is provided with an inspection box door.
4. The angle-adjustable sling according to claim 1, characterized in that: The micro servo motor (44) and the battery (45) are electrically connected via a wire and a control switch, the control switch extends to the outside of the connection frame (43), and a charging interface with one end extending to the rear side of the connection frame (43) is provided on the rear side wall of the battery (45).
5. The angle-adjustable sling according to claim 1, characterized in that: A threaded hole adapted to the limiting bolt (81) is provided inside the connecting shaft (7).