CN216785460U - Automatic hooking and unhooking mechanism for crane lifting appliance - Google Patents

Abstract

The utility model discloses an automatic hooking and unhooking mechanism for a crane sling, relates to the technical field of crane slings, and aims to solve the problems that a self-locking buckle used by an existing lifting hook in the prior art can complete the operations of hooking and unhooking in the hoisting process, but the locking buckle structure can not be lubricated in place in the unhooking process along with the lapse of service time, and unhooking cannot be performed at the time. The lifting hook unit comprises a switching end shaft and a hook sleeve frame, the hook sleeve frame is connected with the switching end shaft through a bolt, a double-shaft hook is arranged at the bottom of the hook sleeve frame and is welded with the hook sleeve frame, the hanger unit comprises a hanger supporting plate and a self-locking buckle, the self-locking buckle is arranged on two sides above the hanger supporting plate, the two ends of the hanger supporting plate are provided with anchor bolts, and the anchor bolts and the hanger supporting plate are connected in a rotating mode through internal threads.

Description

Automatic hooking and unhooking mechanism for crane lifting appliance

Technical Field

The utility model relates to the technical field of crane slings, in particular to an automatic hooking and unhooking mechanism for a crane sling.

Background

The most common spreaders for cranes are the lifting hook, among others lifting rings, lifting suction cups, clamps and lifting beams. The lifting suction cups, the clamps, the lifting beams and the like can be used as special lifting appliances on a crane for a long time, can also be used as replaceable auxiliary lifting appliances to be hung on lifting hooks for temporary use, and are commonly used for various goods warehouses and storage yards to improve the operation efficiency. The lifting appliance for grabbing the bulk materials is generally a grab bucket with an openable jaw plate, and can also be used for sucking magnetic conductive materials such as metal cuttings and the like by using an electromagnetic chuck. The lifting appliance for lifting the fluid materials is commonly provided with a holding bucket and a lifting tank, molten steel or chemical solution is generally discharged in a tilting or bottom plug drawing mode, and the fluid materials such as concrete are discharged by opening a bottom door of the lifting tank.

However, the self-locking buckle used by the existing lifting hook can complete the operation of locking and unhooking in the process of lifting, but as the using time goes on, the situation that the lubrication is not in place occurs in the buckle structure in the process of unhooking operation, and at the moment, unhooking cannot be performed; therefore, the existing requirements are not met, and the automatic hooking and unhooking mechanism for the crane sling is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic hooking and unhooking mechanism for a crane lifting appliance, which aims to solve the problem that the self-locking buckle used by the existing lifting hook in the background technology can complete the operations of hooking and unhooking in the lifting process, but the locking structure can not be lubricated in place in the unhooking process along with the lapse of service time, so that unhooking cannot be performed at the moment.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a hoist is automatic mechanism of unhooking for hoist, includes lifting hook unit and stores pylon unit, the lifting hook unit includes switching end axle and couple cover frame, and couple cover frame and switching end axle pass through bolted connection, the bottom of couple cover frame is provided with the biax couple, and biax couple and couple cover frame welded connection, the stores pylon unit includes the stores pylon extension board and from the hasp, from the both sides of hasp setting in stores pylon extension board top, and the auto-lock detains and have two, the both ends of stores pylon extension board all are provided with anchor bolt, and anchor bolt and stores pylon extension board pass through female screw rotation and be connected.

Preferably, the bottom of the double-shaft hook is provided with an embedded magnet, and the embedded magnet is connected with the double-shaft hook through a clamping groove.

Preferably, the two ends of the bottom of the self-locking buckle are respectively provided with a rotating shaft support, and the self-locking buckle is rotatably connected with the rotating shaft supports.

Preferably, including long jam plate and short jam plate from the hasp, and long jam plate sets up the integral type structure with short jam plate, the contained angle between long jam plate and the short jam plate is 70.

Preferably, the outer surface of the long locking plate is provided with a warping hook slot, and the long locking plate is connected with the double-shaft hook through the warping hook slot.

Preferably, one end of the short locking plate is provided with a lubricating shaft groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the double-shaft hook is pressed downwards, the tilted short locking plate can be extruded downwards, the long locking plate can rotate inwards, the tilted hook is sleeved on the double-shaft hook in a groove, then the double-shaft hook is pulled up quickly to help the double-shaft hook to be separated from the short locking plate quickly, and the long locking plate needs to rise slowly in the unhooking process.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a schematic view of a dual axis hook construction of the present invention;

fig. 3 is a schematic view of a self-locking buckle structure of the present invention.

In the figure: 1. a hook unit; 2. a hanger unit; 3. a hook sleeve frame; 4. a switching end shaft; 5. double-shaft hooks; 6. a hanger support plate; 7. an anchor bolt; 8. self-locking; 9. a rotating shaft bracket; 10. embedding a magnet; 11. a long locking plate; 12. a short locking plate; 13. lubricating the shaft groove; 14. the raised hook is grooved.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1, an embodiment of the present invention: an automatic hook and unhook mechanism for a crane sling comprises a hook unit 1 and a hanger unit 2, wherein the hook unit 1 comprises a switching end shaft 4 and a hook sleeve frame 3, the hook sleeve frame 3 is connected with the switching end shaft 4 through a bolt, a double-shaft hook 5 is arranged at the bottom of the hook sleeve frame 3, the double-shaft hook 5 is welded with the hook sleeve frame 3, the hanger unit 2 comprises a hanger support plate 6 and a self-locking buckle 8, the self-locking buckle 8 is arranged at two sides above the hanger support plate 6, the self-locking buckle 8 is provided with two, the two ends of the hanger support plate 6 are respectively provided with an anchoring bolt 7, the anchoring bolts 7 are rotatably connected with the hanger support plate 6 through internal threads, the hanger unit 2 is required to be arranged on a container or goods in advance, so that the hook unit 1 can be matched with a corresponding structure to complete self-locking and unhook operations when locking and hanging, the hanger support plate 6 is firstly attached to the surface of the goods, and the anchoring bolt 7 is utilized to complete fixation, and the double-shaft hook 5 is controlled to move to the upper part of the self-locking buckle 8 during hoisting.

Referring to fig. 2, the bottom of the double-shaft hook 5 is provided with an embedded magnet 10, the embedded magnet 10 is connected with the double-shaft hook 5 through a clamping groove, two ends of the bottom of the self-locking buckle 8 are respectively provided with a rotating shaft support 9, the self-locking buckle 8 is rotatably connected with the rotating shaft support 9, the embedded magnet 10 at the bottom is adsorbed on the short locking plate 12 in the process that the double-shaft hook 5 is contacted with the self-locking buckle 8, and when the lubrication at the position of the rotating shaft support 9 is not in place, the short locking plate 12 can be driven to rotate outwards by virtue of the suction force generated by the embedded magnet 10, so that the unhooking operation is completed.

Referring to fig. 3, the self-locking fastener 8 includes a long locking plate 11 and a short locking plate 12, the long locking plate 11 and the short locking plate 12 are configured to be an integral structure, an included angle between the long locking plate 11 and the short locking plate 12 is 70 °, a tilted hook notch 14 is formed in an outer surface of the long locking plate 11, the long locking plate 11 is connected to the biaxial hook 5 through the tilted hook notch 14, a lubricating shaft groove 13 is formed in one end of the short locking plate 12, when the biaxial hook 5 is pressed down, the tilted short locking plate 12 is pressed downward, the long locking plate 11 rotates inward, the tilted hook notch 14 is sleeved on the biaxial hook 5, the biaxial hook 5 is then pulled up quickly, the biaxial hook 5 is separated from the short locking plate 12 quickly, and the biaxial hook needs to be lifted slowly in the unhooking process.

The working principle is as follows: when the double-shaft hook is used, the hanging rack unit 2 needs to be installed on a container or a goods in advance, so that the hook unit 1 can be matched with a corresponding structure to complete self-locking and unhooking operations when locking and hanging are carried out, the hanging rack support plates 6 are firstly attached to the surface of the goods and fixed by the anchor bolts 7, the double-shaft hook 5 is controlled to move to the position above the self-locking buckles 8 when the double-shaft hook 5 is lifted, the tilted short lock plate 12 is downwards extruded when the double-shaft hook 5 is pressed, the long lock plate 11 rotates inwards at the moment, the tilted hook slot 14 is sleeved on the double-shaft hook 5, then the double-shaft hook 5 is quickly lifted to help the double-shaft hook 5 and the short lock plate 12 to be quickly separated, slow lifting is needed in the unhooking process, because the embedded magnet 10 is arranged at the bottom of the double-shaft hook 5, the embedded magnet 10 at the bottom is adsorbed on the short lock plate 12 in the contact process of the double-shaft hook 5 with the self-locking buckles 8, when the lubrication of the rotating shaft bracket 9 is not in place, the short locking plate 12 can be driven to rotate outwards by virtue of the suction force generated by the embedded magnet 10, so that the unhooking operation is completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a hoist is automatic mechanism of hooking and unhooking for hoist, includes lifting hook unit (1) and stores pylon unit (2), its characterized in that: lifting hook unit (1) is including switching end shaft (4) and couple set frame (3), and couple set frame (3) and switching end shaft (4) through bolted connection, the bottom of couple set frame (3) is provided with biax couple (5), and biax couple (5) and couple set frame (3) welded connection, stores pylon unit (2) are including stores pylon extension board (6) and auto-lock buckle (8), set up the both sides in stores pylon extension board (6) top from hasp (8), and have two from hasp (8), the both ends of stores pylon extension board (6) all are provided with anchor bolt (7), and anchor bolt (7) are connected through the internal thread rotation with stores pylon extension board (6).

2. The automatic hooking and unhooking mechanism for the crane sling according to claim 1, wherein: the bottom of the double-shaft hook (5) is provided with an embedded magnet (10), and the embedded magnet (10) is connected with the double-shaft hook (5) through a clamping groove.

3. The automatic hooking and unhooking mechanism for the crane sling according to claim 1, wherein: and the two ends of the bottom of the self-locking buckle (8) are respectively provided with a rotating shaft support (9), and the self-locking buckle (8) is rotatably connected with the rotating shaft supports (9).

4. The automatic hooking and unhooking mechanism for the crane sling according to claim 3, wherein: from hasp (8) including long jam plate (11) and short jam plate (12), and long jam plate (11) and short jam plate (12) set up to integral type structure, the contained angle between long jam plate (11) and the short jam plate (12) is 70.

5. The automatic hooking and unhooking mechanism for the crane spreader as recited in claim 4, wherein: the outer surface of the long locking plate (11) is provided with a warping hook slot (14), and the long locking plate (11) is connected with the double-shaft hook (5) through the warping hook slot (14).

6. The automatic hooking and unhooking mechanism for the crane spreader as recited in claim 4, wherein: one end of the short locking plate (12) is provided with a lubricating shaft groove (13).

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