Underwater self-unhooking device
By designing a combination of hooks, adjustment devices and fixing devices in the underwater self-decoupler, automatic decoupling is achieved, solving the problem of uncoupling between the slot and the hook due to excessive downward force in the prior art, and improving lifting efficiency and the safety of divers.
Patent Information
- Application Number
- CN202421773936.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-07-25
AI Technical Summary
During the underwater construction process, the existing underwater self-decoupler is prone to rotating around the articulation shaft due to excessive downward force during the lifting assembly, causing the clamping groove to be uncoordinated and the hook to be hooked, increasing the risk of accidents.
An underwater self-decoupling device is designed, using a combination of hooks, adjustment devices and fixing devices to remove the restriction of the snap through the hook, and to remove the coordination between the connecting block and the fixing block by moving upwards to realize automatic decoupling of the hook.
Automatic decoupling of the decoupler body is realized, avoiding the risk of divers' manual hook pickup, and improving lifting efficiency and diver safety.
Smart Images

Figure CN222892902U_ABST
Abstract
Description
Technical Field
[0001] The embodiment of the utility model relates to the technical field of dehooking devices, and in particular to an underwater self-dehooking device. Background Art
[0002] During the engineering installation and construction process, the hoisting of equipment and the assembly of components require the cooperation of lifting equipment. In the special underwater environment, after the equipment is hoisted into place or the high-altitude assembly of components is completed, the hoisting rope needs to be able to be unhooked conveniently and smoothly; underwater hoisting operations of structures are often encountered during underwater construction, so a self-unhooking device is required for unhooking. For example, as shown in an underwater self-unhooking device with Chinese patent application number CN201811612114.6, the self-unhooking structure includes a support frame, a hook body and a limit rod, the hook body is arranged in the support frame, a block is provided on the top of the hook body, the hook body sleeve is provided with a spring, the spring is arranged between the block and the support frame, the block is connected with a rotating rod, the rotating rod is rotatably connected with the block, the rotating rod is provided with a sliding rod, the support frame is provided with a limit block, the limit block limits the sliding rod, the support frame is provided with a driven rod, the driven rod is rotatably connected to the support frame, the limit rod is rotatably connected to the support frame, a connecting rod is provided between the support frame and the driven rod, the connecting rod is rotatably connected to the limit rod, the connecting rod is rotatably connected to the driven rod, the driven rod is provided with a first through hole, and the sliding rod is arranged in the first through hole.
[0003] However, in the process of raising the lifting assembly through the unhooking device, since the end of the mounting plate away from the slot is suspended in the air, it will be subjected to a downward force. When the downward force on the end of the mounting plate away from the slot is too large, it will drive the buckle to rotate around the hinge axis with the unhooking device body, so that the slot and the hook are released from the matching relationship, which may easily lead to accidents. Utility Model Content
[0004] To this end, an embodiment of the utility model provides an underwater self-unhooking device to solve the problem in the prior art that during the process of driving the lifting assembly to rise by the unhooking device, the end of the mounting plate away from the slot is suspended in the air and will be subjected to a downward force. When the downward force on the end of the mounting plate away from the slot is too large, it will drive the buckle to rotate around the hinge axis with the unhooking device body, so that the slot and the hook are released from the matching relationship, resulting in the occurrence of accidents.
[0005] In order to achieve the above purpose, the embodiment of the utility model provides the following technical solutions:
[0006] An underwater self-unhooking device comprises a unhooking device body, wherein a hook for hinged connection is arranged inside the unhooking device body, an adjusting device for hooking and fixing the hook is arranged outside the hook, and a fixing device for fixing the adjusting device is arranged above the adjusting device.
[0007] The adjusting device comprises a dehooking component clamped on the top of the hook for fixing the hook, and an adjusting component for driving the dehooking component to dehook the hook is arranged at one end of the dehooking component away from the hook.
[0008] The fixing device comprises a connecting component arranged on the top end of the adjusting component, and a fixing component for fixing the adjusting component is arranged on the top end of the connecting component.
[0009] Furthermore, a buckle is provided at the top of the unhooking device body for cooperating with the fixing component to lock the adjusting component, and a fixing block is provided at the right end of the unhooking device body for cooperating with the adjusting component to fix the unhooking component, and a fixing plate is fixedly installed at the right end of the unhooking device body, and the fixing plate is located below the fixing block.
[0010] Furthermore, the unhooking assembly comprises a clamping block clamped on the hook for fixing the hook, and the clamping block is movable away from the hook and connected to a connecting rod for detaching the clamping block from the hook.
[0011] Furthermore, the adjustment assembly includes a connecting block hinged to the connecting rod, a fixing ring for fixing the connecting assembly is fixedly installed on the top end of the connecting block, a spring is fixedly installed on the bottom end of the connecting block, and the spring is fixedly connected to the fixing plate.
[0012] Furthermore, the connecting assembly comprises a connecting ring sleeved on a fixing ring, and a fixing rod is fixedly mounted on the top end of the connecting ring.
[0013] Furthermore, the fixing assembly comprises a fixing frame fixed on the ring body of the fixing rod, and a hook for hanging on the buckle to fix the connecting block is fixedly installed on the top of the fixing frame.
[0014] The utility model embodiment has the following advantages:
[0015] By arranging the hook, the adjusting device and the fixing device, when the hook needs to be unhooked, the clamping hook can be disengaged from the restriction of the clamping buckle, and then the connection block can be moved upward to release the cooperation between the connection block and the fixing block. At this time, the connecting rod drives the clamping block to unhook the hook, so that the unhooking device body can be automatically unhooked, and there is no need for divers to manually remove the hook, thereby improving the lifting efficiency and avoiding accidental injuries to divers caused by divers removing the hook during underwater lifting, thereby increasing the safety factor of divers. Moreover, the operation is very convenient, which greatly improves the safety of the unhooking device body. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.
[0017] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This is the front view of the utility model;
[0020] Figure 3 This is a schematic diagram of the main structure of the decoupling device of the utility model;
[0021] Figure 4 This is a schematic diagram of the structure of the regulating device of the utility model;
[0022] Figure 5 This is a schematic diagram of the fixing device of the utility model;
[0023] Figure 6 For this utility model Figure 5 Enlarged view of point A in the middle.
[0024] In the accompanying drawings, the names of the components represented by the reference numerals are listed as follows:
[0025] 100-unhooking device body, 101-clip, 102-fixing block, 103-fixing plate
[0026] 200-hook;
[0027] 300-adjusting device, 310-unhooking assembly, 311-block, 312-connecting rod, 320-adjusting assembly, 321-connecting block, 322-fixing ring, 323-spring;
[0028] 400 - fixing device, 410 - connecting assembly, 411 - connecting ring, 412 - fixing rod, 420 - fixing assembly, 421 - fixing frame, 422 - hook. DETAILED DESCRIPTION
[0029] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part 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 creative work are within the scope of protection of the present invention.
[0030] See also Figure 1-Figure 6 The utility model provides an underwater self-unhooking device.
[0031] It includes a dehooker body 100, which is mainly used in special underwater environments. After the equipment is hoisted into place, a hook 200 for hinged connection is arranged inside the dehooker body 100, an adjusting device 300 for hooking and fixing the hook 200 is arranged on the outside of the hook 200, and a fixing device 400 for fixing the adjusting device 300 is arranged above the adjusting device 300.
[0032] A buckle 101 is provided at the top of the unhooker body 100 for cooperating with the fixing component 420 to lock the adjusting component 320, and a fixing block 102 is provided at the right end of the unhooker body 100 for cooperating with the adjusting component 320 to fix the unhooking component 310, and a fixing plate 103 is fixedly installed at the right end of the unhooker body 100, and the fixing plate 103 is located below the fixing block 102, and the hook 200 can be rotated on the unhooker body 100 to facilitate the unhooking body 100 to work underwater, and the hook 200 can be rotated by the unhooking device 300 to quickly unhook.
[0033] The adjusting device 300 includes a dehooking component 310 clamped on the top of the hook 200 for fixing the hook 200 , and an adjusting component 320 for driving the dehooking component 310 to dehook the hook 200 is disposed at one end of the dehooking component 310 away from the hook 200 .
[0034] The unhooking assembly 310 includes a block 311 that is stuck on the hook 200 for fixing the hook 200, and the block 311 is stuck on the hook 200 to fix the hook 200; the block 311 is movably connected to a connecting rod 312 that is used to detach the block 311 from the hook 200, and the rod body of the connecting rod 312 is movably connected to the unhooking device body 100 to facilitate the rotation of the connecting rod 312.
[0035] The adjusting component 320 includes a connecting block 321 hinged to the connecting rod 312, and the top of the connecting block 321 is clamped on the fixing block 102, so that the connecting rod 312 can be fixed to prevent the connecting rod 312 from yellowing and shaking; a fixing ring 322 for fixing the connecting component 410 is fixedly installed on the top of the connecting block 321, and a spring 323 is fixedly installed on the bottom end of the connecting block 321, and the spring 323 is fixedly connected to the fixing plate 103; therefore, when it is necessary to unhook the hook 200, the connecting block 321 can be moved upward to release the cooperation between the connecting block 321 and the fixing block 102, and at this time, the connecting rod 312 drives the clamping block 311 to unhook the hook 200; thus, the operation is very convenient, and the safety of the unhooking device is greatly improved.
[0036] The fixing device 400 includes a connecting component 410 disposed on the top of the adjusting component 320 , and a fixing component 420 for fixing the adjusting component 320 is disposed on the top of the connecting component 410 .
[0037] The connecting assembly 410 includes a connecting ring 411 sleeved on the fixing ring 322 , and a fixing rod 412 is fixedly mounted on the top of the connecting ring 411 .
[0038] The fixing assembly 420 includes a fixing frame 421 mounted on the rod body of the fixing rod. The top of the fixing frame 421 is fixedly installed with a hook 422 for hooking on the buckle 101 to fix the metal of the connecting block 321; so that when it is necessary to unhook the hook 200, the hook 422 can be separated from the restriction of the buckle 101, and then the connection block 321 can be moved upward to release the cooperation between the connecting block 321 and the fixing block 102. At this time, the connecting rod 312 drives the block 311 to unhook the hook 200, so that the automatic unhooking of the unhooker body 200 can be achieved, and there is no need for divers to manually remove the hook, which improves the lifting efficiency. At the same time, it avoids accidental injuries to the diver caused by the diver removing the hook during underwater lifting, and increases the safety factor of the diver; and it is very convenient to operate, which greatly improves the safety of the unhooker body 100.
[0039] Although the utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.
Claims
1. An underwater self-unhooking device, comprising a unhooking device body (100), characterized in that: A hook (200) for hinged connection is arranged inside the dehooker body (100); an adjusting device (300) for hooking and fixing the hook (200) is arranged on the outside of the hook (200); and a fixing device (400) for fixing the adjusting device (300) is arranged above the adjusting device (300); The adjusting device (300) comprises a decoupling component (310) clamped on the top of the hook (200) for fixing the hook (200); an adjusting component (320) for driving the decoupling component (310) to decoupling the hook (200) is provided at one end of the decoupling component (310) away from the hook (200); The fixing device (400) comprises a connecting component (410) arranged on the top end of the adjusting component (320), and a fixing component (420) for fixing the adjusting component (320) is arranged on the top end of the connecting component (410).
2. An underwater self-unhooking device according to claim 1, characterized in that: The top end of the dehooker body (100) is provided with a buckle (101) for cooperating with the fixing assembly (420) to lock the adjusting assembly (320), the right end of the dehooker body (100) is provided with a fixing block (102) for cooperating with the adjusting assembly (320) to fix the dehooking assembly (310), and the right end of the dehooker body (100) is fixedly mounted with a fixing plate (103), and the fixing plate (103) is located below the fixing block (102).
3. An underwater self-unhooking device according to claim 2, characterized in that: The decoupling assembly (310) comprises a clamping block (311) clamped on the hook (200) for fixing the hook (200), and the clamping block (311) is movably connected to a connecting rod (312) for detaching the clamping block (311) from the hook (200) when it moves away from the hook (200).
4. An underwater self-unhooking device according to claim 3, characterized in that: The adjustment assembly (320) comprises a connection block (321) hinged to the connection rod (312); a fixing ring (322) for fixing the connection assembly (410) is fixedly mounted on the top end of the connection block (321); a spring (323) is fixedly mounted on the bottom end of the connection block (321); and the spring (323) is fixedly connected to the fixing plate (103).
5. An underwater self-unhooking device according to claim 4, characterized in that: The connection assembly (410) comprises a connection ring (411) sleeved on a fixing ring (322), and a fixing rod (412) is fixedly mounted on the top end of the connection ring (411).
6. An underwater self-unhooking device according to claim 5, characterized in that: The fixing assembly (420) comprises a fixing frame (421) fixed on the ring body of the fixing rod (412), and a hook (422) is fixedly installed on the top end of the fixing frame (421) for hooking on the buckle (101) to fix the connecting block (321).
Citation Information
Patent Citations
An underwater self-unhooking device
CN109809291B