Self-locking and self-unlocking automatic detacher

Abstract

The utility model provides a self-locking and self-unlocking automatic unhooking device, and belongs to the technical field of automatic unhooking. Comprising two hanging plates which are oppositely arranged, the hanging plates are connected together through second screws, sleeves are arranged on one sides of the bottoms of the hanging plates and penetrate through the hanging plates, lifting hooks are installed on one sides of the bottoms of the hanging plates, circular rings are fixedly connected to the two sides of each lifting hook, and the lifting hooks are located between the hanging plates and rotationally connected with the hanging plates through the circular rings with the sleeves as the rotating centers. A circular groove is formed in the lifting hook, a plurality of tooth grooves are formed in the inner wall of the circular groove, and a self-locking mechanism is arranged on the lifting hook. By arranging the self-locking mechanism, after a heavy object is hoisted, the fixing block can be matched with the lifting hook to enable the lifting hook to be automatically closed, so that the hoisting process is safer, after the heavy object is put, the counterweight plate can fall down again to drive the lifting hook to rotate on the sleeve and enable the fixing block to be opened again, the lifting hook can be automatically unlocked, manual unhooking is not needed, and the hoisting efficiency is improved. And hoisting of heavy objects is facilitated, and meanwhile, the safety of workers is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic unhooking technology field, especially in automatic unhooking ware of self locking and self solution. BACKGROUND

[0002] When hoisting goods, often need to use the crane, it is used for hoisting, traction or suspension load, in use hook cooperation is suspended in the air with the lifting rope heavy object again to move to the appropriate place, is widely used in construction, logistics, ship, rescue and other fields.

[0003] The hook needs manual unhooking when unloading, which consumes labor cost, and in some situations where manual unhooking is inconvenient, such as hoisting a large amount of construction materials or flammable and explosive materials, it is not conducive to use, and the existing automatic unhooking hook does not have a locking device, the hook is in an open state after lifting the heavy object, and cannot prevent unhooking during hoisting, which has safety hazards, and if a locking device is added, the automatic unlocking function cannot be realized, and manual unlocking is still required, so that automatic unhooking cannot be realized, therefore, the present application provides an automatic unhooking device to meet the needs. SUMMARY

[0004] The utility model wants to solve the technical problem and provides an automatic unhooking device to solve the problem that the existing hook needs manual unhooking when unloading, which consumes labor cost, and in some situations where manual unhooking is inconvenient, such as hoisting a large amount of construction materials or flammable and explosive materials, it is not conducive to use, and the existing automatic unhooking hook does not have a locking device, the hook is in an open state after lifting the heavy object, and cannot prevent unhooking during hoisting, which has safety hazards, and if a locking device is added, the automatic unlocking function cannot be realized, and manual unlocking is still required, so that automatic unhooking cannot be realized.

[0005] To solve the above technical problems, the utility model provides the following technical scheme:

[0006] An automatic unhooking device, comprising two opposite hanging plates connected together by screws, a sleeve is provided on one side of the bottom of the hanging plate, the sleeve penetrates the hanging plate, a hook is installed on one side of the bottom of the hanging plate, a circular ring is fixedly connected to both sides of the hook, the hook is located between the hanging plates and is rotatably connected to the hanging plates through the circular ring with the sleeve as the rotation center, a circular groove is formed in the hook, a plurality of tooth grooves are formed in the inner wall of the circular groove, a self-locking mechanism is provided on the hook, the self-locking mechanism comprises two opposite fixed plates, a fixed block is installed between one end of the bottom of the fixed plate, the end of the fixed block away from the fixed plate can lock the hook, the end of the fixed plate extending into the interior of the circular groove penetrates the hook, a gear is installed between the ends of the fixed plate extending into the circular groove, and the gear is located in the interior of the circular groove and is adapted and engaged with the tooth grooves.

[0007] Preferably, two sliding grooves are formed on the hook, and the fixing plate penetrates the hook through the sliding grooves and extends into the inner part of the circular groove, and the fixing plate can move in the inner part of the sliding groove.

[0008] Preferably, a counterweight plate is fixedly connected to the hook, and the weight of the counterweight plate is greater than that of the hook.

[0009] Preferably, a fixing buckle for facilitating lifting of an external device is rotatably connected between the top parts of the hanging plates.

[0010] Preferably, two fixing rods are slidably connected to the two ends of the fixing plate, and the fixing block and the gear are detachably connected to the fixing plate through the fixing rods, and two rotating rods penetrating the hanging plates are fixedly connected to the two sides of the fixing rod connected with the gear.

[0011] Preferably, a screw one is screw-connected to the inner part of the sleeve, and the screw one penetrates the hanging plate and abuts against the outer wall of the hanging plate.

[0012] Compared with the prior art, the utility model has at least the following beneficial effects:

[0013] In the above scheme, by setting the self-locking mechanism, under normal circumstances, the counterweight plate on the hook will fall downward to drive the hook to rotate through the cooperation of the circular ring and the hanging plate, so that one end where the counterweight plate is located is located below, and the hook is located above, when the heavy object needs to be hoisted, the heavy object is hung on the hook, and the external device such as the crane will drag the hook when lifting the heavy object, so that the hook rotates and falls downward, the counterweight plate rotates upward and lifts, the internal gear slot of the hook rotates to drive the gear to rotate, the gear rotates to drive the two fixing plates on the sides of the gear to move in the inner part of the sliding groove, and the fixing block is driven to close the hook, so that the heavy object cannot be separated from the hook, and the fixing block cooperates with the hook to automatically close the hook after the heavy object is hoisted, so that the hoisting process is safer, and after the heavy object is put, the counterweight plate falls downward again to drive the hook to rotate on the sleeve, the fixing block is reopened through the cooperation of the gear and the gear slot, the hook can be automatically released, manual unhooking is not needed, hoisting of the heavy object is facilitated, and the safety of the workers is ensured.

[0014] By setting the fixing rod and the screw one, when part of the parts needs to be repaired and replaced, the screw one can be screwed outside, the screw one is detached, the sleeve is directly pulled out from the other side of the hanging plate, the screw two is screwed, the two hanging plates are separated, the circular groove on the hook can be operated, the fixing rods on the two sides of the fixing plate are directly pulled out, and the disassembly is completed, and the parts can be quickly disassembled when the parts have problems, so that the operation of the workers in repairing and replacing part of the parts is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable a person skilled in the relevant art to make and use the present disclosure.

[0016] Fig. 1 Fig. 1 is a perspective view of a self-locking and self-releasing automatic unhooker;

[0017] Fig. 2 Fig. 2 is a front view of a self-locking and self-releasing automatic unhooker;

[0018] Fig. 3 Fig. 3 is an enlarged view of a hook.

[0019] [Reference signs]

[0020] 1, hanging plate; 2, hook; 3, counterweight plate; 4, self-locking mechanism; 41, fixed plate; 42, fixed block; 43, fixed insertion rod; 44, gear; 5, fixed buckle; 6, screw 1; 7, screw 2; 8, sleeve; 9, circular groove; 10, tooth groove; 11, sliding groove; 12, circular ring; 13, rotating rod.

[0021] As shown in the drawings, in order to clearly realize the structure of the embodiments of the present application, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the present application in this specific structure, device and environment. According to specific needs, those skilled in the art can adjust or modify these devices and environments, and the adjustments or modifications still include in the scope of the appended claims. DETAILED DESCRIPTION

[0022] The self-locking and self-releasing automatic unhooker provided by the present application will be described in detail below in combination with the drawings and specific embodiments. It should be noted here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and other alternative ways can also be used by those skilled in the art to implement some known technologies; and the drawings are only used to more specifically describe the embodiments, and are not intended to specifically limit the present application.

[0023] As Figs. 1-3The utility model discloses an embodiment provides a self -locking self -unlocking automatic unhooker, including two opposite setting's hanging board 1, and the hanging board 1 is connected together through screw no. 2 7 between hanging board 1, and the bottom one side of hanging board 1 is provided with the sleeve pipe 8, and the sleeve pipe 8 penetrates hanging board 1, and the bottom one side of hanging board 1 is installed with the hook 2, and both sides of hook 2 are all fixedly connected with the circular ring 12, and hook 2 is located between hanging board 1 and is with the sleeve pipe 8 as the rotating center and is with hanging board 1 through circular ring 12 rotation connection, and the circular groove 9 is set up on hook 2, and the inner wall of circular groove 9 is set up with several tooth grooves 10, and the self -locking mechanism 4 is set up on hook 2, and the self -locking mechanism 4 includes two opposite setting's fixed plate 41, and the bottom one end between fixed plate 41 is installed with fixed block 42, and the end of fixed block 42 away from fixed plate 41 can lock up hook 2, and the end of fixed plate 41 away from fixed block 42 penetrates hook 2 and extends into the inside of circular groove 9, and the end of fixed plate 41 extending into circular groove 9 is installed with gear 44, and gear 44 is located in the inside of circular groove 9 and is adapted with tooth groove 10 and engages, and two slide grooves 11 are set up on hook 2, and fixed plate 41 penetrates hook 2 and extends into the inside of circular groove 9 through slide groove 11, and fixed plate 41 can move in the inside of slide groove 11, and hook 2 is fixedly connected with the counterweight plate 3, and the weight of counterweight plate 3 is greater than hook 2, and the top between hanging board 1 is rotatably connected with the fixed buckle 5 convenient for external device to lift, and both ends of fixed plate 41 are all slidably connected with fixed insertion rod 43, and fixed block 42 and gear 44 all are detachably connected with fixed plate 41 through fixed insertion rod 43, and both sides of fixed insertion rod 43 connected with gear 44 are all fixedly connected with the rotating rod 13 of penetrating hanging board 1, and the inside of sleeve pipe 8 is connected with screw no. 1 6, and screw no. 1 6 penetrates hanging board 1 and is in contact with the outer wall of hanging board 1.

[0024] By setting self -locking mechanism 4, under normal circumstances, the counterweight plate 3 on hook 2 will fall down and drive hook 2 to rotate through the cooperation of circular ring 12 and hanging board 1, so that the end where the counterweight plate 3 is located is located below, and hook 2 is located above, when heavy objects need to be hoisted, the heavy objects are hung on hook 2, and the external equipment such as crane will drag hook 2 when lifting the heavy objects, so that hook 2 rotates and falls down, and the counterweight plate 3 will rotate upward and lift, and the tooth groove 10 inside hook 2 rotates, which drives gear 44 to rotate, and gear 44 rotates, which drives the fixed plate 41 on both sides of gear 44 to move in the inside of slide groove 11, and the fixed block 42 is driven to close hook 2, which ensures that the heavy objects will not fall off hook 2, and the advantages of this are that after hoisting the heavy objects, the fixed block 42 cooperates with hook 2 to automatically close hook 2, which makes the hoisting process safer, and after the heavy objects are put in, the counterweight plate 3 will fall down again to drive hook 2 to rotate on the sleeve pipe 8, and the fixed block 42 is opened again through the cooperation of gear 44 and tooth groove 10, so that hook 2 can be automatically released, without manual unhooking, which facilitates the hoisting of heavy objects and ensures the safety of workers.

[0025] When the part needs to be repaired and replaced, the screw one 6 can be screwed externally, the screw one 6 is disassembled, the sleeve 8 is directly pulled out from the other side of the hanging plate 1, the screw two 7 is screwed, the two hanging plates 1 are separated, the round groove 9 on the hook 2 can be operated, the fixed insertion rod 43 on the two sides of the fixed plate 41 is directly pulled out, and the disassembly is completed.

[0026] The technical scheme provided by the utility model, through setting self locking mechanism 4, under normal circumstances, the counterweight plate 3 on the hook 2 will fall down and drive the hook 2 to rotate through the cooperation of the circular ring 12 and the hanging plate 1, so that one end where the counterweight plate 3 is located is below, and the hook 2 is above, when the heavy object needs to be hoisted, the heavy object is hung on the hook 2, and the external equipment such as the crane will drag the hook 2 to make the hook 2 rotate and fall down, the counterweight plate 3 will rotate upwards and lift, the internal gear slot 10 of the hook 2 rotates, drives the gear 44 to rotate, the gear 44 rotates and drives the fixed plate 41 on the two sides of the gear 44, so that the fixed plate 41 moves in the internal sliding groove 11, and the fixed block 42 is driven to close the hook 2, so that the heavy object cannot be separated from the hook 2, and the advantage is that after the heavy object is hoisted, the fixed block 42 cooperates with the hook 2 to make the hook 2 automatically close, so that the hoisting process is safer, and after the heavy object is put, the counterweight plate 3 falls down again to drive the hook 2 to rotate on the sleeve 8, the fixed block 42 is opened again through the cooperation of the gear 44 and the gear slot 10, and the hook 2 can be automatically released, so that manual unhooking is not needed, the hoisting of the heavy object is facilitated, and the safety of workers is ensured.

[0027] Through the setting of the fixed insertion rod 43 and the screw one 6, when the part needs to be repaired and replaced, the screw one 6 can be screwed externally, the screw one 6 is disassembled, the sleeve 8 is directly pulled out from the other side of the hanging plate 1, the screw two 7 is screwed, the two hanging plates 1 are separated, the round groove 9 on the hook 2 can be operated, the fixed insertion rod 43 on the two sides of the fixed plate 41 is directly pulled out, and the disassembly is completed, and the advantage is that the part can be quickly disassembled when the part has a problem, and the worker can operate more conveniently when the part is repaired and replaced.

[0028] The utility model covers any alternative, modification, equivalent method and scheme which is made on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the above preferred embodiment of the utility model, and the utility model can be completely understood without the description of the details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known method, process, flow, element and circuit are not explained in detail.

[0029] Those skilled in the art can understand that all or part of the steps in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a program, and the program can be stored in a computer readable storage medium, such as a ROM / RAM, a magnetic disk, an optical disk, and the like.

[0030] The above only describes the preferred embodiments of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A self-locking and self-unlocking automatic unhooking device, characterized in that, include: Two opposing hanging plates (1) are connected together by screws (7). A sleeve (8) is provided on one side of the bottom of each hanging plate (1), and the sleeve (8) passes through the hanging plate (1). A hook (2) is installed on one side of the bottom of each hanging plate (1). Both sides of the hook (2) are fixedly connected with rings (12). The hook (2) is located between the hanging plates (1) and is rotatably connected to the hanging plate (1) through the rings (12) with the sleeve (8) as the rotation center. A circular groove (9) is provided on the hook (2), and several toothed grooves (10) are provided on the inner wall of the circular groove (9). A self-locking mechanism (4) is provided on the hook (2). The self-locking mechanism (4) includes two opposing fixed plates (41). A fixed block (42) is installed between the bottom ends of the fixed plates (41). The end of the fixed block (42) away from the fixed plate (41) can lock the hook (2). The end of the fixed plate (41) away from the fixed block (42) extends through the hook (2) into the interior of the circular groove (9). A gear (44) is installed between the ends of the fixed plates (41) extending into the circular groove (9). The gear (44) is located inside the circular groove (9) and is adapted to and meshes with the tooth groove (10).

2. The self-locking and self-unlocking automatic unhooking device according to claim 1, characterized in that, The hook (2) has two sliding grooves (11). The fixing plate (41) passes through the hook (2) through the sliding grooves (11) and extends into the interior of the circular groove (9). The fixing plate (41) can move inside the sliding grooves (11).

3. The self-locking and self-unlocking automatic unhooking device according to claim 1, characterized in that, A counterweight plate (3) is fixedly connected to the hook (2), and the weight of the counterweight plate (3) is greater than that of the hook (2).

4. The self-locking and self-unlocking automatic unhooking device according to claim 1, characterized in that, The top of the mounting plate (1) is rotatably connected with a fixing buckle (5) to facilitate the lifting of external equipment.

5. The self-locking and self-unlocking automatic unhooking device according to claim 1, characterized in that, Both ends of the fixed plate (41) are slidably connected with fixed rods (43). The fixed block (42) and the gear (44) are detachably connected to the fixed plate (41) through the fixed rods (43). Both sides of the fixed rods (43) connected to the gear (44) are fixedly connected with rotating rods (13) that pass through the hanging plate (1).

6. The self-locking and self-unlocking automatic unhooking device according to claim 1, characterized in that, The sleeve (8) is internally threaded with a screw (6), which penetrates the hanging plate (1) and abuts against the outer wall of the hanging plate (1).

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