CN216155303U - Anti-falling hook for underwater rescue - Google Patents

Abstract

The utility model discloses an anti-drop hook for underwater rescue, which comprises a hook body, wherein a connecting block and a locking ring are arranged on the hook body, the locking ring is provided with a locking hole and is rotatably connected with the hook body through a rotating shaft, the connecting block is fixedly arranged on the hook body, a first mounting groove, a second mounting groove and a sliding hole are formed in the connecting block, the sliding hole is respectively communicated with the first mounting groove and the second mounting groove, the first mounting groove and the sliding hole are coaxial, and a lock tongue is rotatably arranged in the first mounting groove. The C-shaped locking ring and the lifting hook body form a complete closed loop, so that heavy objects are prevented from being unhooked when the lifting hook fluctuates up and down, the linkage of the spring bolt is realized through the matching of the pushing block and the supporting rod, the spring bolt can be inserted into the locking hole to lock the locking ring after the locking ring enters the first mounting groove, the disengagement is prevented, the limiting block is driven to move through the push rod and the tension spring, the mechanical locking is realized, the push rod can be prevented from moving, the overall safety is improved, the structure is simple, and the maintenance is convenient.

Description

Anti-falling hook for underwater rescue

Technical Field

The utility model belongs to the technical field of lifting hooks, and particularly relates to an anti-falling hook for underwater rescue.

Background

The lifting hook is the most common lifting appliance in the hoisting machinery, the lifting hook is usually hung on a steel wire rope of a hoisting mechanism by means of a pulley block and other parts, and the lifting hook is divided into a single hook and a double hook according to the shape; the manufacturing method is divided into a forging lifting hook and a laminated lifting hook, and the lifting hook is very wide in classification and generally comprises the following steps: the shackle is characterized by unique, novel, high-quality and safe characteristics, and is suitable for factories, mines, petroleum, chemical engineering, ship wharfs and the like.

The same time also can use the hoist to hoist underwater heavy object when salvaging the operation under water, also can use the lifting hook, if the swing range of heavy object is too big when using the lifting hook to lift heavy object, the condition of unhooking can appear, and current lifting hook is in order to prevent the heavy object from coming off, set up the elastic catch in lifting hook open position department and prevent that the heavy object from coming off, if use the condition that can effectively reduce the unhooking on ground and take place, but when underwater because the buoyancy influence of rivers has flotage etc. a floater, very easily lead to the shell fragment to block, the unhooking appears, simultaneously if use the ship of lifting crane to lift heavy object because the wave of rivers can lead to the hull to jolt, make the lifting hook float from top to bottom, lead to the heavy object striking shell fragment the condition of unhooking appears, therefore need us the design one kind of rescue under water and use the hook of preventing falling, solve these problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a falling-preventing hook for underwater rescue.

In order to solve the technical problems, the utility model adopts the technical scheme that:

an anti-drop hook for underwater rescue comprises a hook body, wherein the hook body is provided with a connecting block and a locking ring, the locking ring is provided with a lock hole and is rotatably connected with the hook body through a rotating shaft, the connecting block is fixedly arranged on the hook body, the connecting block is provided with a first mounting groove, a second mounting groove and a sliding hole, the sliding hole is respectively communicated with the first mounting groove and the second mounting groove, the first mounting groove and the sliding hole are coaxial, a lock tongue is rotatably arranged in the first mounting groove, a push rod is slidably arranged in the sliding hole, one end of the push rod is positioned in the first mounting groove and is fixedly connected with a push block, a support rod is hinged on the side wall of the push block, the free end of the support rod is hinged with the lock tongue, the inner wall of the second mounting groove is rotatably provided with a limit block, and the free end of the limit block is connected with a tension spring, the free end of the tension spring is connected with the side wall of the push rod.

Preferably, the locking ring is C-shaped, the middle part of the locking ring is rotatably connected with the hook body through a rotating shaft, after the lock rotates around the rotating shaft, the locking ring below the rotating shaft is overlapped with the hook body, and the locking ring above the rotating shaft is inserted into the first mounting groove.

Preferably, a connecting rod is fixedly arranged on the connecting block, a rotating ring and a limiting ring are respectively sleeved on the connecting rod, the rotating ring is located below the limiting ring, and a hanging ring is fixedly arranged on the rotating ring.

Preferably, the limiting block is rotatably arranged on the inner wall of the second mounting groove through a limiting column, and the length of the push rod is not more than that of the sliding hole.

Preferably, the length of the push rod does not exceed the length of the sliding hole.

Preferably, the limiting ring is fixedly connected with the connecting rod through threads, and the rotating ring is connected with the connecting rod in a sliding mode.

The utility model has the advantages and positive effects that:

according to the utility model, the C-shaped lock ring and the hook body form a complete closed loop, so that a heavy object is prevented from being unhooked when the hook fluctuates up and down, the linkage of the lock tongue is realized through the matching of the push block and the support rod, the lock tongue can be inserted into the lock hole to lock the lock ring after the lock ring enters the first mounting groove, the release is prevented, the limit block is driven to move through the push rod and the tension spring, the mechanical locking is realized, the push rod can be prevented from moving, the integral safety is improved, the structure is simple, and the maintenance is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an axonometric view of a drop-proof hook for underwater rescue according to the utility model;

FIG. 2 is a right-view direction sectional view of an internal connection structure of the anti-drop hook for underwater rescue according to the present invention;

FIG. 3 is a sectional view of the inside structure of the connecting block of the anti-drop hook for underwater rescue according to the present invention in the top view;

fig. 4 is an enlarged view of the structure at a in fig. 3.

The reference numerals are explained below:

1. a hook body; 2. connecting blocks; 3. a locking ring; 4. a rotating shaft; 5. a lock hole; 6. a latch bolt; 7. a push rod; 8. a slide hole; 9. a first mounting groove; 10. a limiting block; 11. a tension spring; 12. a second mounting groove; 13. a connecting rod; 14. a limiting ring; 15. a rotating ring; 16. a hoisting ring; 17. a limiting column; 18. a strut; 19. and (7) pushing the block.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model will be further described with reference to the accompanying drawings in which:

example 1

As shown in figures 1-4, the falling-prevention hook for underwater rescue comprises a hook body 1, wherein the hook body 1 is provided with a connecting block 2 and a locking ring 3, the locking ring 3 is provided with a locking hole 5, the locking ring 3 is rotatably connected with the hook body 1 through a rotating shaft 4, the connecting block 2 is fixedly arranged on the hook body 1, the connecting block 2 is provided with a first mounting groove 9, a second mounting groove 12 and a sliding hole 8, the sliding hole 8 is respectively communicated with the first mounting groove and the second mounting groove 12, the first mounting groove 9 and the sliding hole 8 are coaxial, a locking bolt 6 is rotatably arranged in the first mounting groove 9, a push rod 7 is rotatably arranged in the sliding hole 8, one end of the push rod 7 is positioned in the first mounting groove 9 and is fixedly connected with a push block 19, a support rod 18 is hinged on the side wall of the push block 19, the free end of the support rod 18 is hinged with the locking bolt 6, and a limit block 10 is rotatably arranged on the inner wall of the second mounting groove 12, the free end of the limiting block 10 is connected with a tension spring 11, and the free end of the tension spring 11 is connected with the side wall of the push rod 7.

Preferably, the catch 3 is "C" shape and the middle part is rotated through pivot 4 and is connected with lifting hook body 1, catch 3 revolutes 4 rotations backs of pivot, catch 3 that is located 4 below of pivot can coincide with lifting hook body 1, catch 3 that is located 4 tops of pivot can insert in first mounting groove 9, the fixed connecting rod 13 that is provided with on connecting block 2, the cover is equipped with swivel becket 15 and spacing ring 14 respectively on the connecting rod 13, swivel becket 15 is located spacing ring 14 below, the fixed rings 16 that are provided with on swivel becket 15, stopper 10 rotates through spacing post 17 and sets up on 12 inner walls of second mounting groove, the length of push rod 7 is no longer than the length of sliding hole 8, spacing ring 14 passes through threaded fixed connection with connecting rod 13, swivel becket 15 and connecting rod 13 sliding connection.

The working process of the embodiment: when the lifting hook is used, a diver firstly and stably connects the lifting ring 16 with lifting equipment, then pushes the push rod 7 to one side of the first mounting groove 9 through a tool, so that the push rod 7 drives the free end of the limiting block 10 to rotate to one side close to the first mounting groove 9 through the tension spring 11, then the diver hangs a heavy object on the lifting hook after diving into water, and pulls the lifting hook, when the diver pulls the lifting hook, the heavy object can push the locking ring 3 to rotate around the rotating shaft 4, so that the locking ring 3 below the rotating shaft 4 is overlapped with the lifting hook body 1, meanwhile, the locking ring 3 above the rotating shaft 4 can be inserted into the first mounting groove 9, when the locking ring 3 enters the first mounting groove 9, the heavy object can move with the push block 19, when the push block 19 moves, the support rod 18 can drive the locking tongue 6 to rotate, so that the locking tongue 6 can be clamped into the locking hole 5, and the tension spring 11 can pull the free end of the limiting block 10 to move while the push rod 7 moves, so that the free end of the limiting block 10 rotates around the rotating shaft 4 to one side far away from the first mounting groove 9, accomplish the lock of year spring bolt 6 and die, prevent that spring bolt 6 from moving out in lockhole 5 and leading to the rotation of catch 3 and the unhook appears, after the heavy object lifts by crane finishes after the diver goes to the bank insert the instrument again and promote push rod 7 to remove in sliding hole 8, slightly rotate catch 3 simultaneously, move out in lockhole 5 when push rod 7 again to through extension spring 11 pulling stopper 10 commentaries on classics to being close to first mounting groove 9 one side, then rotate catch 3 again, release the heavy object.

While one embodiment of the present invention has been described in detail, the present invention is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims (6)

1. The utility model provides an underwater rescue is with preventing falling couple, includes lifting hook main part (1), its characterized in that: the lifting hook comprises a lifting hook body (1), and is characterized in that a connecting block (2) and a locking ring (3) are arranged on the lifting hook body (1), a locking hole (5) is arranged on the locking ring (3), the locking ring (3) is rotatably connected with the lifting hook body (1) through a rotating shaft (4), the connecting block (2) is fixedly arranged on the lifting hook body (1), a first mounting groove (9), a second mounting groove (12) and a sliding hole (8) are arranged on the connecting block (2), the sliding hole (8) is respectively communicated with the first mounting groove and the second mounting groove (12), the first mounting groove (9) and the sliding hole (8) are coaxial, a locking tongue (6) is rotatably arranged in the first mounting groove (9), a push rod (7) is slidably arranged in the sliding hole (8), one end of the push rod (7) is positioned in the first mounting groove (9) and is fixedly connected with a push block (19), articulated on ejector pad (19) lateral wall set up branch (18), branch (18) free end with spring bolt (6) are articulated, it is provided with stopper (10) to rotate on second mounting groove (12) inner wall, stopper (10) free end is connected with extension spring (11), extension spring (11) free end with push rod (7) lateral wall is connected.

2. The falling prevention hook for underwater rescue according to claim 1, characterized in that: the locking ring (3) is C-shaped, the middle of the locking ring is rotatably connected with the hook body (1) through a rotating shaft (4), the locking ring (3) is positioned below the rotating shaft (4) and can be superposed with the hook body (1) after the rotating shaft (4) rotates, and the locking ring (3) positioned above the rotating shaft (4) can be inserted into the first mounting groove (9).

3. The falling prevention hook for underwater rescue according to claim 1, characterized in that: the connecting block (2) is fixedly provided with a connecting rod (13), the connecting rod (13) is sleeved with a rotating ring (15) and a limiting ring (14), the rotating ring (15) is located below the limiting ring (14), and the rotating ring (15) is fixedly provided with a lifting ring (16).

4. The falling prevention hook for underwater rescue according to claim 1, characterized in that: the limiting block (10) is rotatably arranged on the inner wall of the second mounting groove (12) through a limiting column (17), and the length of the push rod (7) is not more than that of the sliding hole (8).

5. The falling prevention hook for underwater rescue according to claim 1, characterized in that: the length of the push rod (7) does not exceed the length of the sliding hole (8).

6. The falling prevention hook for underwater rescue according to claim 3, characterized in that: the limiting ring (14) is fixedly connected with the connecting rod (13) through threads, and the rotating ring (15) is connected with the connecting rod (13) in a sliding mode.

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