CN221027194U - Lifting hook mechanism on crane - Google Patents

Abstract

The utility model discloses a lifting hook mechanism on a crane, which comprises a lifting hook mounting plate, wherein a butt joint groove is formed in the bottom of the lifting hook mounting plate, a butt joint block is arranged in the butt joint groove, a lifting hook is fixed at the center of the bottom of the butt joint block, the lifting hook mounting plate and the butt joint block are fixedly connected through a quick-dismantling assembly, the quick-dismantling assembly comprises a groove, a groove is formed in the inner side of the butt joint groove, a first spring is fixed on the inner wall of the groove, a clamping rod is fixed at the end part of the first spring, the end part of the clamping rod is positioned in the clamping groove, the lifting hook mechanism on the crane pushes a movable ring upwards, the movable ring simultaneously pulls eight pull ropes to move, and then the eight pull ropes pull the eight clamping rods and the eight clamping grooves to be separated simultaneously, so that the butt joint block is separated from the constraint, and the lifting hook can be disassembled quickly for overhauling conveniently.

Description

Lifting hook mechanism on crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a lifting hook mechanism on a crane.

Background

The crane is also called a crane, and refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, and a lifting hook on the crane is a component for hanging the suspended objects.

However, the lifting hook on the existing crane is installed at the bottom of the lifting hook installing plate through a plurality of bolts, so that the safety of the lifting hook is guaranteed, the lifting hook can be detached regularly to detect whether damage exists or not by using a flaw detector, so that the lifting hook is needed to be detached conveniently and rapidly, the existing lifting hook is inconvenient and rapid to detach from the installing plate, the working efficiency is influenced, most of the existing lifting hook is not provided with an anti-falling mechanism, the hanging piece hung on the hanging hook is easy to fall off, a certain danger exists, and the novel design is carried out on the basis of the lifting hook mechanism on the original crane aiming at the problems.

Disclosure of utility model

The object of the present utility model is to provide a hook mechanism on a crane which solves the above mentioned problems.

The utility model is realized by the following technical scheme:

The lifting hook mechanism on the crane comprises a lifting hook mounting plate, wherein a butt joint groove is formed in the bottom of the lifting hook mounting plate, a butt joint block is arranged in the butt joint groove, a lifting hook is fixed at the center of the bottom of the butt joint block, and the lifting hook mounting plate is fixedly connected with the butt joint block through a quick-dismantling assembly;

The quick detach subassembly includes the recess, the recess has been seted up to the inboard of butt joint groove, the inner wall of recess is fixed with first spring, the tip of first spring is fixed with the draw-in lever, the tip of draw-in lever is located the inside of draw-in groove, the draw-in groove is seted up in the avris of butt joint piece, the rope groove has been seted up to the inner wall of recess, the outside nestification of lifting hook mounting panel has the expansion ring, the inner wall of expansion ring is fixed with the stay cord, the tip of stay cord runs through the inside of rope groove and the tip fixed connection of draw-in lever.

Further provided is that: the lifting hook is provided with an anti-falling mechanism, the anti-falling mechanism comprises a through groove, the through groove is formed in the upper half portion of the lifting hook, an inner cavity and a sliding groove are formed in the inner wall of the through groove respectively, a stop lever is arranged in the through groove in a mounted mode, the end portion of the stop lever penetrates through the inner portion of the through groove to be in contact with the end portion of the lifting hook, a movable block is fixed in the inner portion of the inner cavity, a second spring is fixed between the top of the movable block and the top of the inner cavity, a deflector rod is fixed on the outer wall of the stop lever, and the end portion of the deflector rod penetrates through the inner portion of the sliding groove to be located outside the lifting hook.

Further provided is that: the butt joint groove and the butt joint block are both designed into an eight-prism-shaped structure, and are in clamping connection.

Further provided is that: the groove, the first spring, the clamping rod, the clamping groove, the rope groove and the pull rope are all distributed with eight angles about the central axis of the butt joint block, the clamping rod and the clamping groove are in clamping connection, and the clamping rod and the groove form a sliding structure.

Further provided is that: the through groove and the stop lever form a sliding structure, one end of the stop lever is arranged at the opening of the lifting hook, the outer wall of the deflector rod is mutually attached to the inner wall of the chute, and the deflector rod and the chute form the sliding structure.

In summary, the beneficial technical effects of the utility model are as follows:

(1) The movable ring is pushed upwards, the movable ring simultaneously pulls eight pull ropes to move, and then the eight pull ropes pull eight clamping rods and eight clamping grooves to be separated simultaneously, so that the butt joint block is separated from the constraint, and the butt joint block and the lifting hook are convenient to detach rapidly for overhauling.

(2) The driving lever is pushed to the upper left, so that the driving lever is arranged in the chute, then the driving lever drives the stop lever to move to the upper left in the through groove, the lower end of the stop lever is separated from the opening of the lifting hook, the stop lever drives the movable block to move to the upper left in the inner cavity, the second spring is compressed, then the hanging part is mounted in the lifting hook through the opening of the lifting hook, then the driving lever is loosened, under the action of the elastic force of the second spring, the stop lever moves to the lower right, the opening of the lifting hook is blocked by the lower end of the stop lever, the hanging part is prevented from falling off from the lifting hook, and the safety of the crane during working is guaranteed.

Drawings

FIG. 1 is a schematic elevational cross-sectional view of the present utility model;

FIG. 2 is a schematic top view of a cross-sectional mounting structure for a clip lever of the present utility model;

fig. 3 is a schematic diagram of the external structure of the present utility model in front view.

Reference numerals: 1. a hook mounting plate; 2. a butt joint groove; 3. a butt joint block; 4. a lifting hook; 5. a quick release assembly; 501. a groove; 502. a first spring; 503. a clamping rod; 504. a clamping groove; 505. rope grooves; 506. a pull rope; 507. a movable ring; 6. an anti-drop mechanism; 601. a through groove; 602. an inner cavity; 603. a stop lever; 604. a movable block; 605. a second spring; 606. a chute; 607. a deflector rod.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-3, a hook mechanism on a crane disclosed by the utility model comprises a hook mounting plate 1, wherein a butt joint groove 2 is formed in the bottom of the hook mounting plate 1, a butt joint block 3 is arranged in the butt joint groove 2, a hook 4 is fixed in the center of the bottom of the butt joint block 3, and the hook mounting plate 1 is fixedly connected with the butt joint block 3 through a quick-release assembly 5;

Quick detach subassembly 5 includes recess 501, recess 501 has been seted up to the inboard of butt joint groove 2, the inner wall of recess 501 is fixed with first spring 502, the tip of first spring 502 is fixed with clamping lever 503, the tip of clamping lever 503 is located the inside of draw-in groove 504, the draw-in groove 504 is seted up in the avris of butt joint piece 3, rope groove 505 has been seted up to the inner wall of recess 501, the outside nestification of lifting hook mounting panel 1 has the go-between 507, the inner wall of go-between 507 is fixed with stay cord 506, the tip of stay cord 506 runs through the inside of rope groove 505 and the tip fixed connection of clamping lever 503.

Be provided with anticreep mechanism 6 on lifting hook 4, anticreep mechanism 6 has offered logical groove 601 including logical groove 601 in the inside of lifting hook 4 upper half, logical inner chamber 602 and spout 606 have been seted up respectively to the inner wall of logical groove 601, the internally mounted of logical groove 601 has pin 603, the tip of pin 603 runs through the inside of groove 601 and the tip mutual contact of lifting hook 4, the outer wall of pin 603 is located the inside of inner chamber 602 and is fixed with movable block 604, be fixed with second spring 605 between the top of movable block 604 and the top of inner chamber 602, the outer wall of pin 603 is fixed with driving lever 607, the tip of driving lever 607 runs through the inside of spout 606 and is located the outside of lifting hook 4.

The butt joint groove 2 and the butt joint block 3 are designed into the eight-prism-shaped structures, and the butt joint groove 2 and the butt joint block 3 are connected in a clamping mode, so that when the butt joint block 3 and the butt joint groove 2 are clamped, the end portion of the clamping rod 503 and the opening of the clamping groove 504 can be aligned quickly, and quick clamping between the clamping rod 503 and the clamping groove 504 is facilitated.

Groove 501, first spring 502, clamping lever 503, draw-in groove 504, rope groove 505 and stay cord 506 all have eight with respect to the central axis equiangular distribution of butt joint piece 3, and clamping lever 503 and draw-in groove 504 are the block connection, and clamping lever 503 and groove 501 constitute sliding construction, when having guaranteed that go-between 507 upwards promotes, go-between 507 can draw eight stay cords 506 to remove simultaneously, then eight stay cords 506 can draw eight clamping levers 503 and eight draw-in grooves 504 to separate simultaneously for butt joint piece 3 breaks away from the constraint, thereby convenient butt joint piece 3 and lifting hook 4 quick detach are overhauld.

Lead to groove 601 and pin 603 and constitute sliding construction, and the one end of pin 603 sets up in the opening part of lifting hook 4, the outer wall of driving lever 607 laminates each other with the inner wall of spout 606, and driving lever 607 constitutes sliding construction with spout 606, when guaranteed to promote pin 603 through driving lever 607 upper left, can make the lower extreme of pin 603 remove the inside of leading to groove 601 for lifting hook 4 opening part is opened, conveniently places the pendant to the inside of lifting hook 4, when unclamping driving lever 607, under the elasticity effect of second spring 605, can make pin 603 downwardly movable, block lifting hook 4 opening part, avoided the pendant to drop from lifting hook 4, the security of loop wheel machine during operation has been guaranteed.

The working principle and the beneficial effects of the utility model are as follows: by pushing the deflector rod 607 to the upper left, the deflector rod 607 is arranged in the chute 606, then the deflector rod 607 drives the stop lever 603 to move to the upper left in the through groove 601, the lower end of the stop lever 603 is separated from the opening of the lifting hook 4, the stop lever 603 simultaneously drives the movable block 604 to move to the upper left in the inner cavity 602, the second spring 605 is compressed, then the hanging piece is mounted in the lifting hook 4 through the opening of the lifting hook 4, then the deflector rod 607 is loosened, under the action of the elasticity of the second spring 605, the stop lever 603 moves to the lower right, the lower end of the stop lever 603 blocks the opening of the lifting hook 4, the hanging piece is prevented from falling off from the lifting hook 4, and the safety of the crane during operation is ensured;

When the lifting hook 4 needs to be detached periodically for overhauling, the movable ring 507 is pushed upwards at this time, the movable ring 507 simultaneously pulls eight pull ropes 506 to move, and then the eight pull ropes 506 pull eight clamping rods 503 and eight clamping grooves 504 to be separated simultaneously, so that the butt joint block 3 is detached from the constraint, and the butt joint block 3 and the lifting hook 4 are convenient to detach rapidly for overhauling.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model. All equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (5)

1. The utility model provides a lifting hook mechanism on loop wheel machine which characterized in that: the lifting hook comprises a lifting hook mounting plate (1), wherein a butt joint groove (2) is formed in the bottom of the lifting hook mounting plate (1), a butt joint block (3) is arranged in the butt joint groove (2), a lifting hook (4) is fixed at the center of the bottom of the butt joint block (3), and the lifting hook mounting plate (1) is fixedly connected with the butt joint block (3) through a quick-dismantling assembly (5);

Quick detach subassembly (5) are including recess (501), recess (501) have been seted up to the inboard of butt joint groove (2), the inner wall of recess (501) is fixed with first spring (502), the end fixing of first spring (502) has clamping lever (503), the tip of clamping lever (503) is located the inside of draw-in groove (504), draw-in groove (504) are seted up in the avris of butt joint piece (3), rope groove (505) have been seted up to the inner wall of recess (501), the outside nestification of lifting hook mounting panel (1) has expansion ring (507), the inner wall of expansion ring (507) is fixed with stay cord (506), the tip of stay cord (506) runs through the inside of rope groove (505) and the tip fixed connection of clamping lever (503).

2. A hook mechanism on a crane as claimed in claim 1, wherein: be provided with anticreep mechanism (6) on lifting hook (4), anticreep mechanism (6) are including leading to groove (601), lead to groove (601) have been seted up to the inside of lifting hook (4) upper half, inner chamber (602) and spout (606) have been seted up respectively to the inner wall of leading to groove (601), the internally mounted of leading to groove (601) has pin (603), the inside of tip through groove (601) of pin (603) and the tip mutual contact of lifting hook (4), the outer wall of pin (603) is located the inside of inner chamber (602) and is fixed with movable block (604), be fixed with second spring (605) between the top of movable block (604) and the top of inner chamber (602), the outer wall of pin (603) is fixed with driving lever (607), the tip of driving lever (607) runs through the inside of spout (606) and is located the outside of lifting hook (4).

3. A hook mechanism on a crane as claimed in claim 1, wherein: the butt joint groove (2) and the butt joint block (3) are both designed into an eight-prism-shaped structure, and the butt joint groove (2) and the butt joint block (3) are in clamping connection.

4. A hook mechanism on a crane as claimed in claim 1, wherein: the groove (501), the first spring (502), the clamping rod (503), the clamping groove (504), the rope groove (505) and the pull rope (506) are all distributed in eight with respect to the central axis of the butt joint block (3) at equal angles, the clamping rod (503) and the clamping groove (504) are in clamping connection, and the clamping rod (503) and the groove (501) form a sliding structure.

5. A hook mechanism on a crane as claimed in claim 2, wherein: the through groove (601) and the stop lever (603) form a sliding structure, one end of the stop lever (603) is arranged at the opening of the lifting hook (4), the outer wall of the deflector rod (607) is mutually attached to the inner wall of the chute (606), and the deflector rod (607) and the chute (606) form the sliding structure.