CN110356962B

CN110356962B - Lifting hook

Info

Publication number: CN110356962B
Application number: CN201910658030.4A
Authority: CN
Inventors: 不公告发明人
Original assignee: Zhuji Gaoheng Machinery Factory
Current assignee: Zhuji Defu Electrical Equipment Manufacturing Co ltd
Priority date: 2019-07-20
Filing date: 2019-07-20
Publication date: 2020-09-29
Anticipated expiration: 2039-07-20
Also published as: CN110356962A

Abstract

The invention belongs to the technical field of mechanical equipment, and particularly relates to a lifting hook which comprises a hook ring, a locking unit, an adjusting unit, a vibration stabilizing unit, a first hole, a second hole and a first groove; the first hole is formed in the upper half part of the shackle, the first hole is internally provided with the lock catch unit and the adjusting unit, the second hole is formed in the lower half part of the shackle, the first groove is positioned above the second hole, the first groove is internally provided with the vibration stabilizing unit, and the second groove is communicated with the second hole; the lifting hook is closed and opened the action of gravity of self of in-process only need rope and by the hanging article, just can realize closing of lifting hook, do not need staff's operation in person to close the lifting hook step, both saved the manpower, the accident that has dangerous lifting hook task that can significantly reduce again also can make the rope stable in the hook package, thereby reduced by the swing range in the air of hanging article, also can guarantee simultaneously that the hasp is locked, make it more stable and safe, make lifting hook work safer.

Description

Lifting hook

Technical Field

The invention belongs to the technical field of mechanical equipment, and particularly relates to a lifting hook.

Background

The lifting hook is one of common lifting appliance component members in the loading and unloading machinery, when in use, the lifting hook is hooked on the lifting ring of a lifted object, before lifting equipment lifts, the lifting hook must be manually held to prevent the lifting hook from falling off from the lifting ring, otherwise, a normal lifting task cannot be executed, and when the rope is sleeved on the lifting hook, the rope slides in the lifting hook, and the lifted goods shake violently. Therefore, due to the structural defects of the hook, the operation method not only increases the working difficulty of hanging personnel, but also holds the hook by one hand and controls the operating rod by the other hand to easily cause safety accidents, and the swinging of fallen articles can cause dangers.

The prior art uses the lifting hook to carry out the task, the existence needs the staff to operate in person and close the lifting hook, and the lifting hook uses the back for a long time, spare part can appear not hard up phenomenon on the lifting hook, especially when the operation on the workplace, use large-scale rope diameter to be 70mm, the automatic opening problem of closed condition can appear, and when the rope hung on the lifting hook inner ring, the rope can slide in the intra-ring, lead to the rope to rock, make the article of hoisting go out the swing phenomenon in the high altitude, can cause the dropping of the article of being hoisted, and increase operational environment's danger and harm the life safety of on-the-spot staff.

Disclosure of Invention

The invention provides a lifting hook, aiming at overcoming the defects of the prior art and solving the problems that when the lifting hook is used at high altitude, a worker needs to close the lifting hook in person, the lifting hook is used for a long time, the lifting hook is closed and automatically opened, and a rope slides and swings in an inner ring of the lifting hook.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a lifting hook which comprises a hook ring, a locking unit, an adjusting unit, a vibration stabilizing unit, a first hole, a second hole and a first groove, wherein the hook ring is arranged on the hook ring; the top of the hook ring is provided with a through hole, and the hook ring is internally provided with a first hole, a second hole and a first groove; the first hole is formed in the upper half part of the shackle; the second hole is formed in the lower half part of the shackle; the first groove is positioned above the second hole and communicated with the second hole; the vibration stabilizing unit is positioned in the first groove; the locking unit and the adjusting unit are positioned in the second hole; the locking unit comprises a lock catch and a roller group; one end surface of the lock catch is flush with the second orifice, and the other end of the lock catch extends into the second orifice; one side of the roller set is close to one end of the lock catch extending into the second hole, the other side of the roller set is close to the inner wall of the second hole, the roller set is composed of a plurality of rollers, each roller is fixedly connected to the inner wall of the second hole through a support with a T-shaped section, every two rollers are connected in series through a belt, and each roller can rotate around a rotating shaft which is provided with a torsion spring and arranged on the T-shaped support; the closing of the shackle is realized through the matching among the roller set, the lock catch, the vibration stabilizing unit and the adjusting unit; when the lifting hook works, firstly, the rope is sleeved in the hook ring, force can act on the vibration stabilizing unit due to the gravity of the rope and a lifted object, the vibration stabilizing unit enables the roller wheel set to work, the roller wheel rotates around the rotating shaft of the roller wheel, then the adjusting unit starts to work due to the rotation of the roller wheel, finally, the operation of the adjusting unit enables the lock catch to abut against the second hole, one end of the lock catch extends into the first hole, and the other end of the lock catch is remained in the second hole, so that the lifting hook is in a closed state; when not using the lifting hook, do not have the effect of power, because of there being the torsional spring the reason on the gyro wheel axis of rotation, under the cooperation between the unit of steady vibration in the regulating unit in addition for the hasp resets, get back to original initial position, the lifting hook is in the open mode, closing and opening the action of gravity of the self of in-process only rope and the hung article at the lifting hook, just can realize closing of lifting hook, do not need staff's operation in person to close the lifting hook step, the manpower has both been saved, the accident that has dangerous lifting hook task that can significantly reduce again.

Preferably, the vibration stabilizing unit includes a gasket and a plurality of protrusions; the gasket is elastic, a roller path is arranged in the gasket, the middle area of the gasket is suspended in the first groove, and two sides of the gasket are fixedly connected to the surface of the lower half part of the inner ring of the shackle; each bulge is uniformly and fixedly connected on the gasket, the bulge has elasticity, and the section of the bulge is in a semi-ellipse shape; the during operation, the rope is hung on the lifting hook when, can not accurately fall on lifting hook inner ring central authorities, can fall on the top edge position, the rope is hung in gap between certain arch of inner ring top edge, because it is elastic when protruding, the rope can be followed in the protruding gap on the top edge roll-off and slided to next gap in, just so from in the gap slide to another gap in, until sliding to the gap of minimum, in the lifting hook course of operation, can not because the rope has the potential safety hazard because of hanging on lifting hook shackle edge, it is more accurate in the lifting hook to make the rope hang like this, thereby operational environment is safer.

Preferably, a rolling ball is arranged in the gasket; in the initial state of the rolling balls, every two rolling balls are mutually leaned together, the rolling balls are positioned in the middle part area of the raceway, and when pressure is applied to the rolling balls through the gaskets, the adjacent bulges are mutually close to each other through the matching between the rolling balls and the gaskets; during operation, the gravity of the rope and the lifted object is exerted on the gasket, the contact point of the gasket and the rope is concave, the concave part divides the rolling balls in the gasket into two groups, the two groups roll to the edge of the gasket along the rolling way, then the rolling balls tilt the edge of the gasket to the center of the shackle, so that the bulges on the gasket are close to each other, the deformation degree of the concave part of the gasket is larger, the bulges are closer to each other, and the possibility that the bulges are enclosed into a closed ring can be ensured.

Preferably, a magnet is arranged in each protrusion, a first magnet is arranged between every two adjacent protrusions, a second magnet is arranged between every two adjacent protrusions, the first magnet and the second magnet are opposite magnets, attraction is achieved between the first magnet and the second magnet, when the protrusions are close to each other, the protrusions are abutted to each other through the first magnet and the second magnet, a closed ring is formed by the protrusions, and the rope is enclosed in the closed ring; during operation, at first protruding trend that has mutual approaching always, in addition inside magnet and the magnet No. two that are equipped with between the arch, and attract each other the other side, then two archs are pulled and are hugged closely together by magnet No. one and magnet No. two respectively, and two at last archs have enclosed into a closed circle, and the rope just is detained in the closed circle for the rope is not taking place to slide at lifting hook inner ring upper surface, thereby reduces the range that the rope rocked, reduces the swing trend of hoisting article.

Preferably, an air bag is arranged in the first hole; the section of the bag shape is banana-shaped, one end of the air bag is close to the first orifice, the other end of the air bag is tightly attached to the inner wall of the first hole, an air outlet pipeline is arranged at one end of the air bag tightly attached to the inner wall of the first hole, and the pipeline is communicated with the air bag and the gasket; the gas in the air bag acts on the rolling ball, so that the rope is further prevented from shaking; during operation, at first hasp one end stretches into a notch and extrudees gasbag one end, the gasbag is compressed the back, gaseous from the gasbag pipeline of giving vent to anger and press into in the gasket, then gaseous extrusion spin, mutual extrusion between the spin, and with the gasket under the concave to the extrusion of spin, make the relative motion between the spin more stable at last, the back is more stable to the spin, the concave part degree of deformation of gasket no longer has the large amplitude variation, relative motion is also more stable between the arch of gasket upper surface, it is also more firm that the arch encloses into the gap, make the rope also more stable firm in the gap.

Preferably, the adjusting unit comprises a grooved roller, a cylinder and an elastic block; the slotting roller is characterized in that a complete roller is provided with a slot, the slotting roller is positioned between the lock catch and the roller group, the slotting roller is fixedly connected in the second hole through a rotating shaft, and the slotting roller is connected with a roller close to the slotting roller through a belt; the cylinder is a multi-section cylinder, is fixedly connected in a groove of the grooved roller and can synchronously rotate along with the grooved roller; the section of the elastic block is crescent, the concave part of the elastic block is fixedly connected with a piston rod of the cylinder, and the edge of the elastic block is attached to and fixedly connected with the notch of the grooved roller; the extending length of the lock catch is controlled by adjusting the extension of the piston rod of the air cylinder; during operation, the cylinder piston rod extends and supports the hasp, and the hasp just is supported out No. two holes by the piston rod, is in the closed condition when the lifting hook, when the hasp has the trend of lax gliding, adjustable cylinder piston rod for the piston rod supports to press the hasp tighter, ensures that the hasp is in the state of being locked always, makes lifting hook work safer a little like this, thereby reduces problem and the accident that appears when using the lifting hook.

The invention has the following beneficial effects:

1. according to the lifting hook, the lifting hook can be automatically closed through the gravity of a lifted object, a worker does not need to operate the lifting hook in person, and when the worker uses the lifting hook to execute dangerous tasks, the worker does not need to operate the lifting hook, so that the danger caused by manual operation errors can be effectively reduced, and the labor force can also be effectively reduced.

2. According to the lifting hook, the inner bulge of the lifting hook is matched with the rolling ball and the gasket, so that the rope is hung on the lifting hook more stably and firmly, the swinging of the rope and dropped objects is effectively reduced, the occurrence of accidents caused by the use of the lifting hook is reduced, and the danger of the working environment is reduced.

3. According to the lifting hook, the adjusting unit can control the pressure of the elastic block against the arc-shaped ring, so that under the condition that the arc-shaped ring tends to be loose or the task of the lifting hook needs, the elastic block can be pressed tightly by using the controller and wirelessly controlling the length of the extending shaft of the cylinder, and the lifting hook does not need to fall on a workbench to be adjusted.

Drawings

The invention is further described with reference to the following figures and embodiments.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

in the figure: shackle 1, through hole 11, latch unit 2, latch 21, roller group 22, adjusting unit 3, slotted roller 31, cylinder 32, elastic block 33, vibration stabilizing unit 4, gasket 41, raceway 411, rolling ball 412, protrusion 42, first magnet 421, second magnet 422, first hole 5, air bag 51, pipeline 511, second hole 6 and first slot 7.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the following embodiments.

As shown in fig. 1 to 4, the lifting hook of the present invention comprises a hook ring 1, a locking unit 2, an adjusting unit 3, a vibration stabilizing unit 4, a first hole 5, a second hole 6 and a first groove 7; the top of the shackle 1 is provided with a through hole 11, and the shackle 1 is internally provided with a first hole 5, a second hole 6 and a first groove 7; the first hole 5 is formed in the upper half part of the shackle 1; the second hole 6 is formed in the lower half part of the shackle 1; the first groove 7 is positioned above the second hole 6, and the first groove 7 is communicated with the second hole 6; the vibration stabilizing unit 2 is positioned in the first groove 7; the locking unit 2 and the adjusting unit 3 are positioned in the second hole 6; the locking unit 2 comprises a lock 21 and a roller group 22; one end surface of the lock catch 21 is flush with the opening of the second hole 6, and the other end of the lock catch extends into the second hole 6; one side of the roller set 22 is close to one end of the lock catch 21 extending into the second hole 6, the other side of the roller set is close to the inner wall of the second hole 6, the roller set 22 is composed of a plurality of rollers, each roller is fixedly connected to the inner wall of the second hole through a support with a T-shaped section, every two rollers are connected in series through a belt, and each roller can rotate around a rotating shaft which is provided with a torsion spring and arranged on the T-shaped support; the shackle 1 is closed through the cooperation among the lock catch 21, the roller group 22, the adjusting unit 3 and the vibration stabilizing unit 4; when the lifting hook works, firstly, the rope is sleeved in the hook ring 1, force can act on the vibration stabilizing unit 4 due to the gravity of the rope and a hung object, the vibration stabilizing unit 4 enables the roller group 22 to work, the roller rotates around the rotating shaft of the roller group, then the roller group 22 rotates to enable the adjusting unit 3 to start working, finally, the adjusting unit 3 operates to push the lock catch 21 out of the second hole 6, one end of the lock catch 21 extends into the first hole 5, and the other end of the lock catch is left in the second hole 6, so that the lifting hook is in a closed state; when not using the lifting hook, do not have the effect of power, because of there being the torsional spring the reason in the wheel train 22 axis of rotation, under the cooperation between the unit 4 of still shaking steadily at regulating unit 3, make hasp 21 reset, get back to original initial position, the lifting hook is in the open mode, the lifting hook is closing and opening the gravity action of in-process only need rope and the self of being hung the article, just can realize closing of lifting hook, do not need staff's operation in person to close the lifting hook step, the manpower has both been saved, the accident that has dangerous lifting hook task again can significantly reduce.

As a specific embodiment of the present invention, the vibration stabilizing unit 4 includes a spacer 41 and a plurality of protrusions 42; the gasket 41 has elasticity, a raceway 411 is arranged in the gasket 41, the middle area of the gasket 41 is suspended in the first groove 4, and two sides of the gasket 41 are fixedly connected to the surface of the lower half part of the inner ring of the shackle 1; each protrusion 42 is uniformly and fixedly connected to the gasket 41, the protrusions 42 have elasticity, and the section of each protrusion 42 is semi-elliptical; during operation, the rope is hung on the lifting hook, can not accurately fall on lifting hook inner ring central authorities, can fall on the edge part, the rope is hung in the gap between certain arch 42 of inner ring top edge, it is elastic because protruding 42 is time spent, the rope can be followed in the protruding 42 gap on the top edge roll-off and slided to next gap in, just so from in the gap another gap of sliding, until sliding to the gap of minimum, in the lifting hook course of operation, can not because of the rope because of hanging there is the potential safety hazard on 1 edge of lifting hook shackle, make the rope hang more accurately in the lifting hook like this, thereby operational environment is safer.

In one embodiment of the present invention, a rolling ball 412 is disposed in the pad 41; when the rolling balls 412 are in an initial state, the rolling balls 412 are mutually abutted in pairs, and the rolling balls 412 are positioned in the middle part area of the raceway 411, so that when pressure is applied to the rolling balls 412 through the gasket 41, the adjacent bulges 42 are mutually close through the matching of the rolling balls 412 and the gasket 41; when the lifting hook works, firstly, the gravity of the rope and a lifted object is exerted on the gasket 41, the contact point of the gasket 41 and the rope is concave, then the concave part divides the rolling balls 412 in the gasket 41 into two groups, the two groups roll away from the corners of the gasket 41 along the rolling way 411, the rolling balls 412 enable the gasket 41 to swell, then the rolling balls 412 enable the corners of the gasket 71 to tilt towards the center of the shackle 1, so that the bulges 42 on the gasket 41 are close to each other, the deformation degree of the concave part of the gasket 41 is larger, the bulges 42 are closer to each other, and therefore the bulges 42 are enabled to present a closing trend, and the possibility that the bulges 42 form a closed loop can be ensured.

As a specific embodiment of the present invention, a magnet is disposed inside each protrusion 42, and between two adjacent protrusions, one of the two adjacent protrusions is provided with a first magnet 421, the other one of the two adjacent protrusions is provided with a second magnet 422, the first magnet 421 and the second magnet 422 are opposite magnets, and an attractive action is exerted between the first magnet 421 and the second magnet 422, when the protrusions 42 approach, the protrusions 42 are abutted together by the first magnet 421 and the second magnet 422, and enclose a closed loop, and the rope is enclosed in the closed loop; when the lifting hook works, firstly, the protrusions 42 always have a tendency of approaching each other, and in addition, the first magnet 421 and the second magnet 422 which are arranged inside the protrusions 42 attract each other, then the two protrusions 42 are respectively pulled by the first magnet 421 and the second magnet 422 and are abutted together, finally, the two protrusions 42 form a closed ring in a surrounding mode, the rope is buckled in the closed ring, so that the rope does not slide on the upper surface of the inner ring of the lifting hook, the swinging amplitude of the rope is reduced, and the swinging tendency of a lifted object is reduced.

In a specific embodiment of the invention, an air bag 51 is arranged in the first hole 5; the section of the air bag is banana-shaped, one end of the air bag 51 is close to the opening of the first hole 5, the other end of the air bag is tightly attached to the inner wall of the first hole 5, an air outlet pipeline 511 is arranged at one end of the air bag tightly attached to the inner wall of the first hole 5, and the pipeline 511 is communicated with the air bag 51 and the gasket 41; the gas in the air bag 51 acts on the rolling ball 412, so that the rope is further prevented from shaking; during operation, at first hasp 21 one end stretches into groove 7 mouth and extrudees gasbag 21 one end, gasbag 21 is compressed the back, gaseous from gasbag 21 gas outlet pipe 211 in pressing into gasket 41, then gaseous extrusion spin 412, mutual extrusion between spin 412, and with gasket 41 depressed center to spin 412's extrusion, make the relative motion between spin 412 more stable at last, the back is more stable to the spin, gasket 41 depressed center deformation degree no longer has the large amplitude variation, relative motion is also more stable between the arch 42 of gasket 41 upper surface, arch 42 encloses into and also more firmly for the gap, make the rope also more stable firm in the gap.

As a specific embodiment of the present invention, the adjusting unit 3 includes a grooved roller 31, a cylinder 32, and an elastic block 33; the slotting roller 31 is formed by a complete roller, a slot is formed in the complete roller, the slotting roller 31 is positioned between the lock catch 51 and the roller group 52, the slotting roller 31 is fixedly connected in the second hole 3 through a rotating shaft, and the slotting roller 31 is connected with a roller close to the slotting roller through a belt; the cylinder 32 is a multi-section cylinder 32, and the cylinder 32 is fixedly connected in the groove of the grooved roller 31 and can synchronously rotate along with the grooved roller 31; the section of the elastic block 33 is crescent, the concave part of the elastic block 33 is fixedly connected with the piston rod of the cylinder 32, the edge of the elastic block 33 is attached to the notch of the slotting roller 31 and is fixedly connected with the notch, and the extension length of the lock catch 21 is controlled by adjusting the extension of the piston rod of the cylinder 32; during operation, cylinder 32 piston rod extension supports hasp 21, and hasp 21 just is supported No. two holes 6 by the piston rod, is in the closed condition when the lifting hook, when hasp 21 has the trend of relaxing gliding, also can adjust cylinder 32 piston rod for the piston rod supports and presses hasp 21 tighter, ensures that hasp 21 is in the state of being locked always, makes the lifting hook work safer like this, thereby reduces the problem and the accident that appear when using the lifting hook.

When the lifting hook works, firstly, the rope is sleeved in the hook ring 1, force can act on the vibration stabilizing unit 4 due to the gravity of the rope and a hung object, the vibration stabilizing unit 4 enables the roller group 22 to work, the roller rotates around the rotating shaft of the roller group, then the roller group 22 rotates to enable the adjusting unit 3 to start working, finally, the adjusting unit 3 operates to push the lock catch 21 out of the second hole 6, one end of the lock catch 21 extends into the first hole 5, and the other end of the lock catch is left in the second hole 6, so that the lifting hook is in a closed state; when the lifting hook is not used, no force is applied, and due to the fact that a torsion spring is arranged on a rotating shaft of the roller set 22, the lock catch 21 is reset under the matching of the adjusting unit 3 and the stabilizing unit 4, the original initial position is returned, the lifting hook is in an open state, the lifting hook can be closed only under the action of the rope and the gravity of the lifted object in the closing and opening processes, the step of closing the lifting hook by a worker without the manual operation is not needed, manpower is saved, and accidents with dangerous lifting hook tasks can be greatly reduced; when the rope is hung on the lifting hook, the rope cannot accurately fall on the center of the inner ring of the lifting hook and may fall on the upper edge part, the rope is hung in a gap between certain bulges 42 on the upper edge of the inner ring, and the bulges 42 are elastic, so that the rope can slide out of the gap of the bulges 42 on the upper edge and slide into the next gap, and then slide into another gap from one gap until sliding into the gap at the lowest part, and in the working process of the lifting hook, the rope cannot be hung on the edge of a hook ring 1 of the lifting hook because of potential safety hazards, so that the rope is hung in the lifting hook more accurately, and the working environment is safer; when the gravity of the rope and the lifted object is applied to the pad 41, the contact point of the pad 41 and the rope is concave, then the concave part divides the rolling balls 412 in the pad 41 into two groups, the two groups roll away from the edge of the pad 41 along the rolling way 411, the rolling balls 412 enable the pad 41 to swell, then the rolling balls 412 enable the edge of the pad 71 to tilt towards the center of the shackle 1, so that the bulges 42 on the pad 41 are close to each other, the larger the deformation degree of the concave part of the pad 41 is, the closer the bulges 42 are, and the bulges 42 have a trend of approaching, thereby ensuring the possibility that the bulges 42 form a closed loop; the protrusions 42 always approach each other, the first magnet 421 and the second magnet 422 are arranged in the protrusions 42 and attract each other, then the two protrusions 42 are respectively pulled by the first magnet 421 and the second magnet 422 and are abutted together, finally the two protrusions 42 form a closed ring in a surrounding mode, the rope is buckled in the closed ring, the rope does not slide on the upper surface of the inner ring of the hook, and therefore the swinging amplitude of the rope is reduced, and the swinging trend of the lifted object is reduced; when one end of the lock catch 21 extends into the opening of the first groove 7 and presses one end of the air bag 21, after the air bag 21 is compressed, air is pressed into the gasket 41 from the air outlet pipeline 211 of the air bag 21, then the air presses the rolling balls 412, the rolling balls 412 are mutually pressed, and the rolling balls 412 are pressed by the concave parts of the gasket 41, so that the relative movement between the rolling balls 412 is more stable, after the rolling balls are more stable, the deformation degree of the concave parts of the gasket 41 is not greatly changed, the relative movement between the bulges 42 on the upper surface of the gasket 41 is more stable, the bulges 42 are enclosed into gaps, and the ropes are more stable and firm; the cylinder 32 piston rod extends and supports the lock catch 21, the lock catch 21 is supported out of the second hole 6 through the piston rod, when the lifting hook is in a closed state, when the lock catch 21 tends to loose and slide down, the piston rod of the cylinder 32 can be adjusted, the piston rod supports the lock catch 21 to be tighter, the lock catch 21 is ensured to be in a state of being locked all the time, the lifting hook works more safely, and therefore the problems and accidents occurring when the lifting hook is used are reduced.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A lifting hook comprising a shackle (1); the top of the hook ring (1) is provided with a through hole (11); the method is characterized in that: the vibration stabilizing device also comprises a locking unit (2), an adjusting unit (3) and a vibration stabilizing unit (4); a first hole (5), a second hole (6) and a first groove (7) are formed in the shackle (1); the first hole (5) is formed in the upper half part of the shackle (1); the second hole (6) is formed in the lower half part of the shackle (1); the first groove (7) is positioned above the second hole (6), and the first groove (7) is communicated with the second hole (6); the vibration stabilizing unit (4) is positioned in the first groove (7); the locking unit (2) and the adjusting unit (3) are positioned in the second hole (6); the lock catch unit (2) comprises a lock catch (21) and a roller group (22); one end surface of the lock catch (21) is flush with the opening of the second hole (6), and the other end of the lock catch is inserted into the second hole (6); one side of the roller group (22) is close to one end of the lock catch (21) extending into the second hole (6), the other side of the roller group is close to the inner wall of the second hole (6), the roller group (22) is composed of a plurality of rollers, each roller is fixedly connected to the inner wall of the second hole (6) through a support with a T-shaped section, every two rollers are connected in series through a belt, and each roller can rotate around a rotating shaft which is provided with a torsion spring and arranged on the T-shaped support; the closing of the shackle (1) is realized through the matching among the roller set (22), the lock catch (21), the vibration stabilizing unit (4) and the adjusting unit (3);

the vibration stabilizing unit (4) comprises a gasket (41) and a plurality of protrusions (42); the gasket (41) has elasticity, a raceway (411) is formed in the gasket (41), the middle area of the gasket (41) is suspended in the first groove (7), and two sides of the gasket (41) are fixedly connected to the surface of the lower half part of the inner ring of the shackle (1); each protrusion (42) is uniformly and fixedly connected to the gasket (41), the protrusions (42) have elasticity, and the section of each protrusion (42) is semi-elliptical.

2. A lifting hook as claimed in claim 1, wherein: be equipped with spin (412) in the gasket (41) raceway, spin (412) are located raceway (411) mid portion region, and under the initial condition, spin (412) two by two are close to each other together, when having pressure to exert to spin (412) through gasket (41), through the cooperation between spin (412) and gasket (41), realize being close to each other between the adjacent arch (42).

3. A lifting hook as claimed in claim 2, wherein: each protrusion (42) is internally provided with a magnet, one of the protrusions is provided with a first magnet (421), the other of the protrusions is provided with a second magnet (422), the first magnet (421) and the second magnet (422) are opposite magnets, attraction is achieved between the first magnet (421) and the second magnet (422), when the protrusions (42) approach, the protrusions (42) are abutted together through the first magnet (421) and the second magnet (422) and enclose into a closed ring, and the rope is enclosed in the closed ring.

4. A lifting hook as claimed in claim 1, wherein: an air bag (51) is arranged in the first hole (5); the section of the air bag (51) is banana-shaped, one end of the air bag (51) is close to the opening of the first hole (5), the other end of the air bag is tightly attached to the inner wall of the first hole (5), an air outlet pipeline (511) is arranged at one end of the air bag tightly attached to the inner wall of the first hole (5), and the pipeline (511) is communicated with the air bag (51) and a roller path (411) in the gasket (41); the gas in the air bag (51) acts on the rolling ball (412), thereby further preventing the rope from shaking.

5. A lifting hook as claimed in claim 1, wherein: the adjusting unit (3) comprises a grooved roller (31), an air cylinder (32) and an elastic block (33); the grooving roller (31) is formed by a complete roller with a groove, the grooving roller is positioned between the lock catch (21) and the roller group (22), the grooving roller (31) is fixedly connected to the side wall of the second hole (6) through a rotating shaft, and the grooving roller (31) is connected with a roller close to the grooving roller (31) through a belt; the cylinder (32) is a multi-section cylinder (32) which is fixedly connected in a groove of the grooved roller (31) and can synchronously rotate along with the grooved roller (31); the section of the elastic block (33) is crescent, the recess of the elastic block (33) is fixedly connected with the piston rod of the cylinder (32), and the edge of the elastic block (33) is fixedly connected on the notch of the grooved roller (31); the extending length of the lock catch (21) is controlled by adjusting the extending amount of a piston rod of the air cylinder (32).