CN220431997U - Lifting hook capable of remotely grabbing and unlocking - Google Patents

Abstract

The utility model discloses a lifting hook for remotely grabbing and unlocking, which belongs to the technical field of lifting tools and comprises the following components: the device comprises a limiting part, a hoisting part, an anti-falling part and a grabbing part which are connected in sequence; the limiting part is provided with a limiting hole for being connected with the limiting structure, and the limiting part is limited to move upwards or be released from being limited; the hoisting part is provided with a hoisting hole for connecting with the hoisting structure and suspending the hoisting part; the anti-falling part is provided with an anti-falling hole for being connected with the anti-falling structure, fixing the relative position of the lifting hook and enabling the lifting hook to integrally rotate around the anti-falling hole; the grabbing part is provided with a grabbing hook; when the anti-drop hole is used as a rotating fulcrum, the limiting part and the hoisting part rotate downwards. The lifting hook disclosed by the utility model has the advantages that the anti-falling hole is used as a fulcrum, the limiting structure and the lifting structure are remotely operated, the grabbing and unlocking of the lifting hook can be realized, compared with the existing lifting mode, the risk of scalding can be reduced, the safety is improved, and the whole lifting hook is simple in structure and simple and convenient to operate.

Description

Lifting hook capable of remotely grabbing and unlocking

Technical Field

The utility model relates to the technical field of lifting tools, in particular to a lifting hook capable of remotely grabbing and unlocking.

Background

The flange edge of the large crucible opening is provided with 3-6 suspension holes, when the crucible is hoisted, a group of 3-6 lifting hooks are respectively buckled in the suspension holes of the crucible opening, and then limiting pins are inserted into the lifting hooks and the limiting holes of the crucible opening, as shown in figure 1, the crucible can be firmly locked, and the lifting hooks can be prevented from slipping in the hoisting process.

Although the lifting hook lifting function of the traditional large crucible lifting device can be realized, the main defects are that the operation of the lifting hook is complex in the process of installing and detaching the lifting hook, time and labor are wasted, meanwhile, due to the fact that the crucible temperature is high, the risk of scalding when the lifting hook and the limiting pin are installed by an operator is high, the safety is low, and the safety of the operator is not guaranteed under the environment with limited sight.

Disclosure of Invention

The utility model aims to provide a lifting hook capable of remotely grabbing and unlocking, so as to solve the problems that in the lifting process of a traditional large crucible, the short-distance installation of the lifting hook and a limiting pin by an operator is tedious, time-consuming and labor-consuming, and the risk of scalding is high.

The technical scheme for solving the technical problems is as follows:

a remotely grasped and unlocked hook comprising: the device comprises a limiting part, a hoisting part, an anti-falling part and a grabbing part which are connected in sequence; the limiting part is provided with a limiting hole for being connected with the limiting structure, and the limiting part is limited to move upwards or be released from being limited; the hoisting part is provided with a hoisting hole for connecting with the hoisting structure and suspending the hoisting part; the anti-falling part is provided with an anti-falling hole for being connected with the anti-falling structure, fixing the relative position of the lifting hook and enabling the lifting hook to integrally rotate around the anti-falling hole; the grabbing part is provided with a grabbing hook; when the anti-drop hole is used as a rotating fulcrum, the limiting part and the hoisting part rotate downwards.

Further, the limiting hole is hinged with a limiting rod.

Further, the lifting hole is hinged with a chain.

Further, the anti-falling hole is hinged with an anti-falling piece, and the anti-falling piece is arranged opposite to the grapple to form a part for clamping to-be-hoisted.

Further, the limiting holes, the lifting holes and the anti-falling holes are sequentially staggered in the horizontal direction.

Further, the limiting part, the hoisting part, the anti-falling part and the grabbing part are integrally formed.

The utility model has the following beneficial effects:

according to the lifting hook, the anti-falling hole is used as a fulcrum (the anti-falling structure connected with the anti-falling hole is fixed when being contacted with the top side of the mouth of the crucible, the fixing mode can be gravity action and the like, so that the lifting hook can use the anti-falling hole as the fulcrum), the limiting structure and the lifting structure are remotely operated, the grabbing and unlocking of the lifting hook can be realized, and compared with the existing lifting mode, an operator does not need to hook the lifting hook on the hanging hole of the mouth of the boiler in a short distance, the scalding risk is reduced, the safety is improved, and the whole lifting hook is simple in structure and convenient to operate.

The grabbing process of the lifting hook comprises the following steps:

(1) The upward movement of the limiting part is limited, the whole lifting hook is suspended by the lifting part, the whole lifting hook is in an inclined state, the grabbing part is moved to a designated position under the drive of the lifting structure, and the anti-falling structure is fixed on the top side of the crucible mouth (can be fixed under the action of gravity);

(2) The suspension of the hoisting part is released, and the limiting part and the hoisting part rotate downwards under the action of gravity, so that the unlocking of the limiting structure is facilitated;

(3) The lifting part is suspended, the limiting part is released from limitation, the limiting part and the lifting part rotate upwards, the grabbing part rotates downwards, so that the grapple hooks the bottom side of the crucible mouth, and lifting can be performed at the moment;

the unlocking process of the lifting hook comprises the following steps:

(1) The suspension of the suspension part is released, the limiting part and the suspension part rotate downwards under the action of gravity, the grabbing part rotates upwards under the action of gravity, at the moment, the grabbing hook leaves the bottom side of the crucible opening, and the lifting hook is in an unlocking state;

(2) The whole lifting hook is suspended upwards through the hoisting part, the upward movement of the limiting part is limited, the hoisting part is suspended, the whole lifting hook is limited to be in an inclined state, the grapple can not contact with the mouth part of the crucible, and the lifting hook is in a releasing state at the moment;

(3) The whole lifting hook is suspended upwards continuously through the hoisting part, and is separated from the crucible, so that the hoisting operation is completed.

Drawings

FIG. 1 is a schematic diagram of a conventional crucible in hoisting;

FIG. 2 is a schematic view of the structure of a remotely grasped and unlocked hook of example 1;

FIG. 3 is a schematic view of a section of a remotely grasped and unlocked hook of example 1;

FIG. 4 is a schematic view showing the structure of a remotely grasped and unlocked hook of embodiment 2;

fig. 5 to 10 are schematic flow charts of the remotely grasped and unlocked hook grasping crucible of embodiment 2.

In the figure: 41-a limiting part; 42-hoisting part; 43-anti-drop part; 44-a gripping part; 45-restraining bar; 46-a chain; 47-anti-slip member; 100-crucible; 411-limiting holes; 421-lifting holes; 431-anti-drop holes; 441-grapple.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

Example 1

Referring to fig. 2 and 3, the present embodiment provides a remote grabbing and unlocking hook, which is hooked integrally, and includes: the limiting portion 41, the hanging portion 42, the anti-falling portion 43 and the grabbing portion 44 are sequentially connected from top to bottom, and the limiting portion 41, the hanging portion 42, the anti-falling portion 43 and the grabbing portion 44 are integrally formed. The limiting portion 41 is provided with a limiting hole 411 for connection with a limiting structure, which can limit the limiting portion 41 to move upward or release the limitation of the limiting portion 41. The lifting portion 42 is provided with a lifting hole 421 for connection with a lifting structure capable of suspending the lifting portion 42, thereby suspending the entire hook. The anti-falling portion 43 is provided with an anti-falling hole 431 for connection with an anti-falling structure, and in the lifting process, the anti-falling structure is fixedly connected with the crucible 100 under the action of gravity thereof, so that the whole lifting hook can rotate around the anti-falling hole 431. The gripping portion 44 is provided with a gripping hook 441 for hooking the mouth of the crucible.

In the present embodiment, the limiting holes 411, the hanging holes 421 and the escape preventing holes 431 are sequentially staggered in the horizontal direction.

Example 2

Referring to fig. 4, this embodiment provides another remote grabbing and unlocking hook, which is different from embodiment 1 in that: the limiting hole 411 is hinged with a limiting rod 45, and the limiting rod 45 is used for limiting the upward movement of the limiting part 41 or releasing the limitation of the limiting part 41, namely, the limiting rod 45 in the embodiment is of the limiting structure in the embodiment 1, and the limiting rod 45 can be limited in a conventional electric control mode, for example, the limiting rod 45 can only move along the axial direction and rotate around the limiting hole 411, and the motor drives the baffle to move to cover the top of the limiting rod 45; the lifting hole 421 is hinged with a chain 46, and the chain 46 is used for suspending the lifting part 42, that is, the chain 46 in the embodiment is the lifting structure in embodiment 1; the anti-falling piece 47 is hinged to the anti-falling hole 431, and in the lifting process, the anti-falling piece 47 is fixedly connected with the crucible 100 under the action of gravity, so that the whole lifting hook can rotate around the anti-falling hole 431, namely, the anti-falling piece 47 in the embodiment is of the anti-falling structure in the embodiment 1.

Because at least three lifting hooks are needed when the crucible is lifted, in order to ensure the integrity and the linkage of the three lifting hooks, the three lifting hooks can be connected with one anti-falling piece 47 together, and in the lifting process, the anti-falling piece 47 can be directly placed at the mouth of the crucible through gravity for fixing.

According to the lifting hook disclosed by the utility model, the anti-falling hole 431 is used as a fulcrum, the limiting rod 45 and the chain 46 are remotely operated, so that the grabbing and unlocking of the lifting hook can be realized, and compared with the existing lifting mode, an operator does not need to hook the lifting hook on the hanging hole of the boiler mouth in a short distance, the risk of scalding is reduced, the safety is improved, and the whole lifting hook is simple in structure and easy and convenient to operate.

Referring to fig. 5 to 7, the grabbing process of the hook of the present embodiment includes:

(1) The upward movement of the limiting rod 45 is limited, the whole lifting hook is suspended by the chain 46, the whole lifting hook is in an inclined state, the grabbing part 44 is moved to a designated position under the drive of the chain 46, and the anti-falling piece 47 is directly placed on the top side of the mouth part of the crucible 100 and is fixed by gravity;

(2) The chain 46 is released from suspension (at this time, the chain 46 is loosened), and the limiting part 41, the lifting part 42, the limiting rod 45 and the chain 46 rotate downwards under the action of gravity, so that the limiting structure is unlocked conveniently;

(3) The chain 46 suspends and releases the restriction of the restriction lever 45, and the restriction portion 41, the suspending portion 42, the restriction lever 45, and the chain 46 are rotated upward, and the grasping portion 44 is rotated downward, so that the grasping hook 441 hooks the bottom side of the mouth of the crucible 100, at which time suspending can be performed.

Referring to fig. 8 to 10, the unlocking process of the hook of the present embodiment:

(1) The hanging of the chain 46 is released (at this time, the chain 46 is loosened), the limiting part 41, the hanging part 42, the limiting rod 45 and the chain 46 rotate downwards under the action of gravity, the grabbing part 44 rotates upwards under the action of gravity, at this time, the grabbing hook 441 leaves the bottom side of the mouth part of the crucible 100, and the lifting hook is in an unlocking state;

(2) The whole hook continues to hang upwards by the chain 46, the upward movement of the limiting rod 45 is limited and the chain 46 hangs, the whole hook is limited to be in an inclined state, the grapple 441 does not contact with the mouth of the crucible 100, and the hook is still in a released state;

(3) The entire hook continues to hang upward by the chain 46, and the entire hook is disengaged from the crucible 100, completing the hanging operation.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (6)

1. A remotely grasped and unlocked hook comprising: a limiting part (41), a hoisting part (42), an anti-falling part (43) and a grabbing part (44) which are connected in sequence; the limiting part (41) is provided with a limiting hole (411) which is used for being connected with a limiting structure to limit the limiting part (41) to move upwards or release the limitation of the limiting part (41); the hoisting part (42) is provided with a hoisting hole (421) for connecting with a hoisting structure and suspending the hoisting part (42); the anti-falling part (43) is provided with an anti-falling hole (431) for being connected with an anti-falling structure, fixing the relative position of the lifting hook and enabling the lifting hook to integrally rotate around the anti-falling hole (431); the grabbing part (44) is provided with a grabbing hook (441); when the anti-falling hole (431) is used as a rotation fulcrum, the limiting part (41) and the lifting part (42) rotate downwards.

2. The remotely grabbing and unlocking hanger of claim 1, wherein the limit hole (411) is hinged with a limit bar (45).

3. The remotely grabbing and unlocking hanger as claimed in claim 1, wherein the lifting eyes (421) are hinged with chains (46).

4. The remotely grabbing and unlocking lifting hook according to claim 1, wherein the anti-falling hole (431) is hinged with an anti-falling piece (47), and the anti-falling piece (47) is arranged opposite to the grabbing hook (441) to form a part for clamping to be lifted.

5. The remotely grabbing and unlocking hanger as claimed in any one of claims 1 to 4, wherein the limiting holes (411), the hanging holes (421) and the anti-drop holes (431) are staggered in order in the horizontal direction.

6. The remotely grabbing and unlocking hanger as claimed in claim 5, wherein the limit portion (41), the hanging portion (42), the anti-drop portion (43) and the grabbing portion (44) are integrally formed.