Shackle structure for assembling A portal

Abstract

The utility model discloses a shackle structure for assembling a door frame A. The shackle structure comprises an upper buckle and a lower buckle, a connecting shaft is arranged between the upper buckle and the lower buckle, first locking nuts are arranged at the two ends of the connecting shaft, and the upper buckle and the lower buckle rotate mutually through the connecting shaft. A connecting base is arranged in the lower buckle, a threaded column is arranged in the connecting base, and a connecting buckle is arranged on the lower portion of the threaded column. A rotating shaft is installed in one set of connecting holes, a second locking nut is arranged on the surface of the rotating shaft, a supporting rod is arranged on the surface of the rotating shaft, the supporting rod is rotationally connected with a movable groove through the rotating shaft, and an inserting hole is formed in the supporting rod. The rotating shaft of the supporting rod is aligned with the connecting holes in the other set of movable grooves, the fixing pin is installed, the supporting rod is fixed, the shackle can be adjusted at multiple angles, the installation structure is simple and convenient, and use convenience is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of shackle technology, and more specifically to a shackle structure for assembling an A-frame. Background Technology

[0002] Type A gantry cranes, as typical devices in deployment and retrieval systems, are widely used in the deployment and retrieval processes of various unmanned submersibles. Affected by sea winds and waves, ships experience irregular swaying motions, making it impossible to deploy or retrieval equipment in rough sea conditions, severely impacting the efficiency of offshore operations.

[0003] Existing technologies have the following problems:

[0004] 1. Current shackles require inserting the insert rod into the screw hole of the shackle body and tightening it with screws, but they are not flexible and often cannot be adjusted in direction.

[0005] Therefore, a new technical solution is needed to address this issue. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides a shackle structure for assembling an A-frame, thereby solving the problems mentioned in the background section.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a shackle structure for assembling an A-frame, comprising: an upper shackle and a lower shackle, a connecting shaft provided between the upper shackle and the lower shackle, and a first locking nut provided at both ends of the connecting shaft, the upper shackle and the lower shackle rotating relative to each other via the connecting shaft, a connecting seat provided inside the lower shackle, and a threaded post provided inside the connecting seat, a connecting buckle provided at the lower part of the threaded post, the threaded post being inserted into the interior of the connecting seat and fitted with a fixing nut, a movable groove provided inside the connecting buckle, and a connecting hole provided inside each movable groove, a rotating shaft installed in one set of connecting holes, and a second locking nut provided on the surface of the rotating shaft, a support rod provided on the surface of the rotating shaft, and the support rod being rotatably connected to the movable groove via the rotating shaft, and an insertion hole provided inside the support rod.

[0008] In a preferred embodiment of this utility model, the upper part of the buckle is provided with a mounting hole, and the interior of the mounting hole is provided with a threaded structure.

[0009] In a preferred embodiment of this utility model, the fixing nuts are provided in two sets and are stacked on top of each other.

[0010] In a preferred embodiment of this utility model, the support rod is connected to the movable groove after rotation, and a fixing pin is installed in the insertion hole and the connection hole.

[0011] In a preferred embodiment of this utility model, a third locking nut is provided at the other end of the fixing pin.

[0012] In a preferred embodiment of this utility model, the fixing pin has a through hole inside and a pin is provided inside the through hole.

[0013] In a preferred embodiment of this utility model, the surface of the support rod is provided with a pad with a semi-circular structure.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] This utility model features a connecting shaft between the upper and lower buckles, with a first locking nut at each end of the connecting shaft. The upper and lower buckles rotate relative to each other via the connecting shaft. A connecting seat is located inside the lower buckle, and a threaded post is located inside the connecting seat. A connecting buckle is located at the lower part of the threaded post. The threaded post is inserted into the connecting seat and fitted with a fixing nut. A movable groove is located inside the connecting buckle, and each movable groove has a connecting hole. A rotating shaft is installed in one set of connecting holes, and a second locking nut is located on the surface of the rotating shaft. A support rod is located on the surface of the rotating shaft and is rotatably connected to the movable groove via the rotating shaft. An insertion hole is located inside the support rod. Aligning the rotating shaft of the support rod with the connecting hole in another set of movable grooves and installing a fixing pin secures the support rod. This shackle allows for multi-angle adjustment and has a simple and convenient installation structure, greatly increasing its ease of use. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a front view structural diagram of the present invention;

[0018] Figure 3 This is a side view of the structure of this utility model.

[0019] In the diagram: 1. Upper buckle; 2. Lower buckle; 3. Connecting shaft; 4. First locking nut; 5. Mounting hole; 6. Threaded post; 7. Fixing nut; 8. Connecting seat; 9. Connecting buckle; 10. Movable groove; 11. Rotating shaft; 12. Second locking nut; 13. Support rod; 14. Insertion hole; 15. Connecting hole; 16. Fixing pin; 17. Pad; 18. Through hole; 19. Pin; 20. Third locking nut. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-3 This utility model provides a technical solution: a shackle structure for assembling an A-frame.

[0022] Regarding the problem 1 that needs to be solved: the current shackle requires inserting the insert rod into the screw hole of the shackle body and tightening it with screws, but its flexibility is poor and it is often impossible to adjust the direction.

[0023] The solution is as follows: A shackle structure for assembling an A-frame includes: an upper shackle 1 and a lower shackle 2. A connecting shaft 3 is provided between the upper shackle 1 and the lower shackle 2, and a first locking nut 4 is provided at both ends of the connecting shaft 3. The upper shackle 1 and the lower shackle 2 can rotate relative to each other through the connecting shaft 3. A connecting seat 8 is provided inside the lower shackle 2, and a threaded post 6 is provided inside the connecting seat 8. A connecting buckle 9 is provided at the lower part of the threaded post 6. The threaded post 6 is inserted into the connecting seat 8 and a fixing nut 7 is installed. A movable groove 10 is provided inside the movable groove 10, and a connecting hole 15 is provided inside each of the movable grooves 10. A rotating shaft 11 is installed in one set of connecting holes 15, and a second locking nut 12 is provided on the surface of the rotating shaft 11. A support rod 13 is provided on the surface of the rotating shaft 11, and the support rod 13 is rotatably connected to the movable groove 10 through the rotating shaft 11. An insertion hole 14 is provided inside the support rod 13. A connecting shaft 3 is provided between the upper shackle 1 and the lower shackle 2. Both ends of the buckle are provided with first locking nuts 4. The upper buckle 1 and the lower buckle 2 are rotated relative to each other through a connecting shaft 3. A connecting seat 8 is provided inside the lower buckle 2, and a threaded post 6 is provided inside the connecting seat 8. A connecting buckle 9 is provided at the lower part of the threaded post 6. The threaded post 6 is inserted into the connecting seat 8 and a fixing nut 7 is installed. A movable groove 10 is provided inside the connecting buckle 9, and a connecting hole 15 is provided inside each movable groove 10. A rotating shaft 11 is installed in one set of connecting holes 15, and a second locking nut 12 is provided on the surface of the rotating shaft 11. A support rod 13 is provided on the surface of the rotating shaft 11, and the support rod 13 is rotatably connected to the movable groove 10 through the rotating shaft 11. An insertion hole 14 is provided inside the support rod 13. The rotating shaft 11 of the support rod 13 is aligned with the connecting hole 15 in the other set of movable grooves 10, and a fixing pin 16 is installed to fix the support rod 13. This buckle can be adjusted at multiple angles, and the installation structure is simple and convenient, greatly increasing the convenience of use.

[0024] Further improvements, such as Figure 1 As shown: The upper part of the upper buckle 1 is provided with a mounting hole 5 and the interior of the mounting hole 5 is provided with a threaded structure. This improvement makes it easier to connect the buckle to other equipment or structures.

[0025] Further improvements, such as Figure 1 As shown: The fixing nuts 7 are provided in two sets and are stacked on top of each other. The stacked fixing nuts 7 can further enhance the stability and firmness of the connection.

[0026] Further improvements, such as Figure 1 As shown: After the support rod 13 rotates, it connects to the movable groove 10 and a fixing pin 16 is installed in the insertion hole 14 and the connection hole 15. The installation of the fixing pin 16 provides a solid support and ensures the stability of the support rod 13.

[0027] Further improvements, such as Figure 3 As shown: A third locking nut 20 is provided at the other end of the fixing pin 16. The setting of the third locking nut 20 enhances the fastening effect of the fixing pin 16 and prevents the fixing pin 16 from loosening or falling off during use.

[0028] Further improvements, such as Figure 3 As shown: The fixing pin 16 has a through hole 18 inside and a pin 19 inside the through hole 18. The design of the through hole 18 and the pin 19 provides an additional locking mechanism, which can further strengthen the connection after the fixing pin 16 is installed, and prevent the connection from loosening due to external force.

[0029] Further improvements, such as Figure 2 As shown: The surface of the support rod 13 is provided with a pad 17 with a semi-arc structure. The pad 17 reduces the rigid friction on the support rod 13 and extends the service life of the shackle.

[0030] Working principle: This utility model has a connecting shaft 3 between the upper buckle 1 and the lower buckle 2, and both ends of the connecting shaft 3 are provided with first locking nuts 4. The upper buckle 1 and the lower buckle 2 can rotate relative to each other through the connecting shaft 3. A connecting seat 8 is provided inside the lower buckle 2, and a threaded post 6 is provided inside the connecting seat 8. A connecting buckle 9 is provided at the lower part of the threaded post 6. The threaded post 6 is inserted into the connecting seat 8 and a fixing nut 7 is installed. A movable groove 10 is provided inside the connecting buckle 9, and each movable groove 10 is provided with a connecting hole 15. One set of connecting holes 15 is connected to the lower buckle 2. A rotating shaft 11 is installed inside the hole 15, and a second locking nut 12 is provided on the surface of the rotating shaft 11. A support rod 13 is provided on the surface of the rotating shaft 11, and the support rod 13 is rotatably connected to the movable groove 10 through the rotating shaft 11. An insertion hole 14 is provided inside the support rod 13. The rotating shaft 11 of the support rod 13 is aligned with the connection hole 15 in another set of movable grooves 10, and a fixing pin 16 is installed to fix the support rod 13. This shackle can be adjusted at multiple angles, and the installation structure is simple and convenient, greatly increasing the convenience of use.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0032] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can refer to mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc., are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0033] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A shackle structure for assembling an A-frame, characterized in that: include: The upper buckle (1) and the lower buckle (2) are connected by a connecting shaft (3), and both ends of the connecting shaft (3) are provided with a first locking nut (4). The upper buckle (1) and the lower buckle (2) can rotate relative to each other through the connecting shaft (3). The lower buckle (2) is provided with a connecting seat (8), and the connecting seat (8) is provided with a threaded post (6). The lower part of the threaded post (6) is provided with a connecting buckle (9). The threaded post (6) is inserted into the connecting seat (8) and a fixing screw is installed. The mother (7) has a movable groove (10) inside the connecting buckle (9) and a connecting hole (15) inside each movable groove (10). A rotating shaft (11) is installed in one of the connecting holes (15) and a second locking nut (12) is provided on the surface of the rotating shaft (11). A support rod (13) is provided on the surface of the rotating shaft (11) and the support rod (13) is rotatably connected to the movable groove (10) through the rotating shaft (11). A plug hole (14) is provided inside the support rod (13).

2. The shackle structure for assembling an A-frame according to claim 1, characterized in that: The upper part of the buckle (1) is provided with a mounting hole (5), and the interior of the mounting hole (5) is provided with a threaded structure.

3. The shackle structure for assembling an A-frame according to claim 1, characterized in that: The fixing nuts (7) are provided in two sets and are stacked on top of each other.

4. The shackle structure for assembling an A-frame according to claim 1, characterized in that: After the support rod (13) rotates, it connects to the movable groove (10) and a fixing pin (16) is installed in the insertion hole (14) and the connection hole (15).

5. The shackle structure for assembling an A-frame according to claim 4, characterized in that: A third locking nut (20) is provided at the other end of the fixing pin (16).

6. The shackle structure for assembling an A-frame according to claim 4, characterized in that: The fixing pin (16) has a through hole (18) inside, and a pin (19) is provided inside the through hole (18).

7. The shackle structure for assembling an A-frame according to claim 1, characterized in that: The surface of the support rod (13) is provided with a pad (17) with a semi-circular structure.

Images