CN216662239U - Automatic grab bucket three-jaw hoist - Google Patents

Abstract

The utility model relates to the technical field of carrying tools in the machinery industry, and discloses an automatic barrel grabbing three-jaw lifting appliance which comprises a circular plate, wherein a connecting plate is fixedly arranged on the upper side of the circular plate, a top plate is fixedly arranged on the upper side of the connecting plate, an air cylinder is fixedly arranged on the lower side of the circular plate, an air cylinder rod of the air cylinder movably penetrates through the circular plate, a sliding sleeve is fixedly arranged at the upper end of the air cylinder rod of the air cylinder, and when the air cylinder rod of the air cylinder extends out, the sliding sleeve is driven to move upwards, so that a lifting hook is pulled to be closed through a connecting rod, and a barrel is clamped. On the contrary, when the cylinder rod of the cylinder retracts, the sliding sleeve is driven to move downwards, so that the lifting hook is pulled to open through the connecting rod, and the barrel is loosened. During hoisting, the clamping force of the lifting appliance is self-locking provided by the eccentric self-weight of the lifting hook and is not generated by the air cylinder, namely, the air cylinder only needs to provide power for opening and closing the self-weight of the lifting hook, and the requirement on the cylinder diameter of the air cylinder is very small, so that the adverse factors of manual operation are avoided, the labor intensity is reduced, and the working efficiency and the safety are improved.

Description

Automatic grab bucket three-jaw hoist

Technical Field

The utility model relates to the technical field of conveying appliances in the mechanical industry, in particular to an automatic barrel grabbing three-jaw lifting appliance.

Background

A device for lifting a heavy object in a lifting machine. The most common lifting appliances for lifting finished articles are lifting hooks, and other lifting rings, lifting suction cups, clamps, forks and the like. The lifting suction cups, the clamps, the forks and the like can be used as special lifting appliances on the 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 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 material handling of cask form needs special utensil, and the tradition is grabbed a bucket hoist and can't realize grabbing the bucket automatically and put the bucket when carrying the material, need with the help of manual operation, and it is big to lead to intensity of labour, and work efficiency is low, and the security is low, and manufacturing cost is high.

Adopt the tradition to grab a bucket hoist, can't realize grabbing the bucket automatically and putting the bucket, need borrow and manual operation, the security is low, can't satisfy the customer that all high to convenient operation nature and work efficiency security requirement in addition.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the automatic bucket grabbing three-jaw lifting appliance which has the advantages of avoiding adverse factors of manual operation, reducing labor intensity, improving working efficiency and safety and the like, and solves the problems that the traditional bucket grabbing lifting appliance cannot realize automatic bucket grabbing and bucket placing, requires manual operation, is low in safety, and cannot meet customers with high requirements on operation convenience, working efficiency and safety.

(II) technical scheme

In order to realize the purposes of avoiding adverse factors of manual operation, reducing labor intensity and improving working efficiency and safety, the utility model provides the following technical scheme: the utility model provides an automatic grab bucket three-jaw hoist, including the plectane, the upside fixed mounting of plectane has the connecting plate, connecting plate upside fixed mounting has the roof, the downside fixed mounting of plectane has the cylinder, the cylinder pole activity of cylinder runs through the plectane, the cylinder pole upper end fixed mounting of cylinder has the sliding sleeve, the three connecting strip of fixedly connected with on the sliding sleeve, spread groove a has all been seted up on the three connecting strip, equal swing joint has the connecting rod in the spread groove a, three connecting rod is respectively through round pin axle and three connecting strip swing joint, three logical groove has been seted up on the plectane, respectively with three logical groove swing joint of three connecting rod, the downside fixed mounting of plectane has three groups of fritters, all there is the lifting hook through round pin axle swing joint on three groups of fritters, spread groove b has all been seted up on the three lifting hook, three connecting rod respectively with three spread groove b swing joint, three connecting rod is respectively through round pin axle and three lifting hook swing joint.

Preferably, the lower side of the cylinder is fixedly provided with an anti-collision pad.

Preferably, a cover is fixedly mounted on the upper side of the circular plate.

Preferably, the lower side of the anti-collision pad is fixedly provided with a pressure spring, and the lower end of the pressure spring is fixedly provided with a buffer plate.

Preferably, the buffer board downside fixed mounting has the friction plate, and buffer board upside fixed mounting has four gag lever posts, and four gag lever posts all activity run through the crash pad.

(III) advantageous effects

Compared with the prior art, the utility model provides an automatic bucket grabbing three-jaw lifting appliance, which has the following beneficial effects:

1. this automatic grab bucket three-jaw hoist, when stretching out through the cylinder pole of cylinder, drive sliding sleeve rebound to through the connecting rod, pulling the lifting hook closure, clip the cask. Otherwise, when the cylinder rod of the cylinder retracts, the sliding sleeve is driven to move downwards, so that the lifting hook is pulled to open through the connecting rod, and the barrel is loosened. During hoisting, the clamping force of the lifting appliance is self-locking provided by the eccentric self-weight of the lifting hook and is not generated by the air cylinder, namely, the air cylinder only needs to provide power for opening and closing the self-weight of the lifting hook, and the requirement on the cylinder diameter of the air cylinder is very small, so that the adverse factors of manual operation are avoided, the labor intensity is reduced, and the working efficiency and the safety are improved.

2. This automatic grab bucket three-jaw hoist is equipped with the crashproof pad through the cylinder bottom, and the crashproof pad is used for the hoist to descend the contact above the cask, and as the reference surface, the hoist that begins to close, and the thickness can be adjusted according to cask diameter and relative position to the crashproof pad, and the adaptation cask footpath scope is great, when the cask footpath specification is more, need not change the hoist.

3. This automatic grab bucket three-jaw hoist when getting the cask through the clamp, the upside of cask will extrude the friction plate to increase frictional force and improve stability, can extrude pressure spring to cushion simultaneously and avoid the cask to take place to rock and produce danger, thereby can improve device's practicality.

Drawings

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

FIG. 2 is a schematic perspective view of the hook of FIG. 1 according to the present invention;

FIG. 3 is a schematic perspective view of the circular plate of FIG. 1 according to the present invention;

FIG. 4 is a schematic top perspective view of the circular plate of FIG. 1 according to the present invention.

In the figure: 1. a circular plate; 2. a connecting plate; 3. a housing; 4. a top plate; 5. a hook; 6. a friction plate; 7. small blocks; 8. a buffer plate; 9. a connecting rod; 10. connecting grooves b; 12. a connecting strip; 13. a sliding sleeve; 14. a through groove; 15. connecting groove a; 16. a cylinder; 17. a crash pad; 18. a limiting rod; 19. a pressure spring.

Detailed Description

The present invention will be described in further detail with reference to the drawings, wherein like elements are designated by like reference numerals, wherein the terms "front", "rear", "left", "right", "upper" and "lower", "bottom" and "top" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular element.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-4, the present invention provides a technical solution: an automatic bucket-grabbing three-jaw lifting appliance comprises a circular plate 1, a connecting plate 2 is fixedly installed on the upper side of the circular plate 1, a top plate 4 is fixedly installed on the upper side of the connecting plate 2, an air cylinder 16 is fixedly installed on the lower side of the circular plate 1, an air cylinder rod of the air cylinder 16 movably penetrates through the circular plate 1, a sliding sleeve 13 is fixedly installed at the upper end of the air cylinder rod of the air cylinder 16, three connecting strips 12 are fixedly connected onto the sliding sleeve 13, connecting grooves a15 are respectively formed in the three connecting strips 12, connecting rods 9 are movably connected into connecting grooves a15, the three connecting rods 9 are respectively movably connected with the three connecting strips 12 through hinge pins, three through grooves 14 are formed in the circular plate 1, the three connecting rods 9 are respectively movably connected with the three through grooves 14, three groups of small blocks 7 are fixedly installed on the lower side of the circular plate 1, lifting hooks 5 are respectively movably connected onto the three groups of small blocks 7 through hinge pins, connecting grooves b10 are respectively formed in the three lifting hooks 5, and the three connecting rods 9 are respectively movably connected with the three connecting grooves b10, three connecting rods 9 are respectively movably connected with three lifting hooks 5 through pin shafts, and when a cylinder rod of the cylinder 16 extends out, the sliding sleeve 13 is driven to move upwards, so that the lifting hooks 5 are pulled to be closed through the connecting rods 9 to clamp the barrel. Conversely, when the cylinder rod of the cylinder 16 retracts, the sliding sleeve 13 is driven to move downwards, so that the connecting rod 9 pulls the hook to open and release the barrel. During hoisting, the clamping force of the lifting appliance is self-locking provided by the eccentric dead weight of the lifting hook 5, and is not generated by an air cylinder, namely, the air cylinder only needs to provide power for opening and closing the dead weight of the lifting hook, the requirement on the cylinder diameter of the air cylinder is very small, thereby avoiding adverse factors of manual operation, reducing the labor intensity, improving the working efficiency and safety, an anti-collision pad 17 is fixedly arranged at the lower side of the air cylinder 16, a housing 3 is fixedly arranged at the upper side of a circular plate 1, the anti-collision pad 17 is arranged at the bottom of the air cylinder 16, the anti-collision pad 17 is used for being in contact with the upper surface of a barrel when the lifting appliance descends and is used as a reference surface, the lifting appliance starts to be closed, the thickness of the anti-collision pad 17 can be adjusted according to the diameter and the relative position of the barrel, the range of the adaptive barrel diameter is larger, and when the specification of the barrel diameter is more, the lifting appliance does not need to be replaced.

In use, the first step: when the cylinder rod of the cylinder 16 extends out, the sliding sleeve 13 is driven to move upwards, so that the lifting hook 5 is pulled to be closed through the connecting rod 9 to clamp the barrel. Conversely, when the cylinder rod of the cylinder 16 retracts, the sliding sleeve 13 is driven to move downwards, so that the connecting rod 9 pulls the hook to open and release the barrel. During hoisting, the clamping force of the lifting appliance is self-locked by the eccentric dead weight of the lifting hook 5 and is not generated by the cylinder, namely, the cylinder only needs to provide power for opening and closing the dead weight of the lifting hook, and the requirement on the cylinder diameter of the cylinder is very low, so that the adverse factors of manual operation are avoided, the labor intensity is reduced, and the working efficiency and the safety are improved.

The second step is that: the bottom of the cylinder 16 is provided with the anti-collision pad 17, the anti-collision pad 17 is used for contacting with the upper surface of the barrel when the lifting appliance descends and is used as a reference surface to close the lifting appliance, the thickness of the anti-collision pad 17 can be adjusted according to the diameter and the relative position of the barrel, the anti-collision pad is suitable for a large barrel diameter range, and when the barrel diameter is large in specification, the lifting appliance does not need to be replaced.

Example two

Please refer to fig. 1-4 on the basis of embodiment one, the downside fixed mounting of crash pad 17 has pressure spring 19, the lower extreme fixed mounting of pressure spring 19 has buffer board 8, 8 downside fixed mounting of buffer board have friction plate 6, 8 upside fixed mounting of buffer board have four gag lever posts 18, crash pad 17 is run through in the equal activity of four gag lever posts 18, when getting the cask through the clamp, the upside of cask will extrude friction plate 6, thereby increase frictional force and improve stability, can extrude pressure spring 19 to cushion simultaneously and avoid the cask to take place to rock and produce danger, thereby can improve device's practicality.

When using, when pressing from both sides and getting the cask, the upside of cask will extrude friction plate 6 to increase frictional force and improve stability, can extrude pressure spring 19 to cushion simultaneously and avoid the cask to take place to rock and produce danger, thereby can improve device's practicality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an automatic grab bucket three-jaw hoist, includes plectane (1), its characterized in that: the upper side of the circular plate (1) is fixedly provided with a connecting plate (2), the upper side of the connecting plate (2) is fixedly provided with a top plate (4), the lower side of the circular plate (1) is fixedly provided with an air cylinder (16), an air cylinder rod of the air cylinder (16) movably penetrates through the circular plate (1), the upper end of the air cylinder rod of the air cylinder (16) is fixedly provided with a sliding sleeve (13), the sliding sleeve (13) is fixedly connected with three connecting strips (12), the three connecting strips (12) are respectively provided with a connecting groove a (15), a connecting rod (9) is movably connected in the connecting groove a (15), the three connecting rods (9) are respectively movably connected with the three connecting strips (12) through pin shafts, the circular plate (1) is provided with three through grooves (14), the three connecting rods (9) are respectively movably connected with the three through grooves (14), the lower side of the circular plate (1) is fixedly provided with three groups of small blocks (7), and the three groups of small blocks (7) are respectively movably connected with a lifting hook (5) through pin shafts, connecting groove b (10) have all been seted up on three lifting hook (5), three connecting rod (9) respectively with three connecting groove b (10) swing joint, three connecting rod (9) are respectively through round pin axle and three lifting hook (5) swing joint.

2. The automatic bucket grabbing three-jaw hanger according to claim 1, wherein: and an anti-collision pad (17) is fixedly arranged on the lower side of the cylinder (16).

3. The automatic bucket grabbing three-jaw hanger according to claim 1, wherein: and a housing (3) is fixedly arranged on the upper side of the circular plate (1).

4. The automatic bucket grabbing three-jaw hanger according to claim 2, wherein: and a pressure spring (19) is fixedly mounted on the lower side of the anti-collision pad (17), and a buffer plate (8) is fixedly mounted at the lower end of the pressure spring (19).

5. The automatic bucket grabbing three-jaw hanger according to claim 4, wherein: the buffer plate (8) downside fixed mounting has friction plate (6), and buffer plate (8) upside fixed mounting has four gag lever posts (18), and crashproof pad (17) is run through in four gag lever posts (18) equal activities.

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