CN215946497U

CN215946497U - Lifting hook device with protective structure for bridge crane

Info

Publication number: CN215946497U
Application number: CN202122470859.7U
Authority: CN
Inventors: 濮晨
Original assignee: Special Equipment Safety Supervision Inspection Institute of Jiangsu Province
Current assignee: Special Equipment Safety Supervision Inspection Institute of Jiangsu Province
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-03-04
Anticipated expiration: 2031-10-13

Abstract

The utility model relates to the technical field of bridge cranes, in particular to a lifting hook device with a protective structure for a bridge crane, which comprises a sleeve, wherein an installation seat is arranged at the middle position of the top end of the sleeve, a fixing ring is arranged at the bottom end inside the sleeve, a threaded connecting rod is arranged at the middle position of the bottom end of the sleeve, an anti-falling structure is arranged at the top end inside the sleeve, a hook body is arranged at the bottom end of the threaded connecting rod, a slide way is arranged on one side of each of two ends of the hook body, a slide block is connected inside the slide way in a sliding manner, and a retaining ring is arranged at one end of the slide block. This bridge crane is with hook assembly who has protective structure, the pulling keeps off the ring and slides and seal the coupler body opening through the slider in the slide is inside, then screws up inside the set bar card goes into the lockhole that corresponds for the coupler body opening is locked, avoids appearing the unhook, forms good protection, thereby has solved the unstable problem of locking protection.

Description

Lifting hook device with protective structure for bridge crane

Technical Field

The utility model relates to the technical field of bridge cranes, in particular to a hook device with a protective structure for a bridge crane.

Background

The bridge crane is a common crane, an electric hoist is mainly adopted to be matched with a lifting hook to lift a heavy object, the lifting hook is used as an important component for suspending the lifted object, the function of the lifting hook is particularly important, and the lifting safety is determined.

Present hook assembly generally is provided with the auto-lock baffle, realizes the locking of baffle to the coupler body through torsion spring, and fine avoidance lifts by crane the possibility of thing unhook, but often because the great movement track that leads to the auto-lock of the thing lantern ring of lifting by crane is blockked, perhaps torsion spring's the damage of rustting leads to safety protection function greatly reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the lifting hook device with the protective structure for the bridge crane, which has the advantages of more stable locking protection and the like, and solves the problem that the common lifting hook device with the protective structure is unstable in locking protection.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a bridge crane is with hook assembly who has protective structure, includes the external member, the intermediate position department on external member top installs the mount pad, and the inside bottom of external member installs solid fixed ring, the intermediate position department of external member bottom is provided with threaded connection pole, and the inside top of external member is provided with anti-disengaging structure.

The coupler body is installed to threaded connection rod's bottom, and the slide has been seted up to one side at coupler body both ends, the inside sliding connection of slide has the slider, and the one end of slider installs and keeps off the ring.

Furthermore, a through hole is formed in the middle of the lower ends of the two sides of the sleeve, and a through hole is correspondingly formed in the side wall of the threaded connecting rod on one side of the through hole.

Further, anti-disengaging structure includes the lead screw, the lead screw rotates the intermediate position department of connecting on the inside top of external member, and the outer wall of lead screw rotates and is connected with the sleeve, the cardboard is all installed to the both sides of sleeve bottom, and the intermediate position department of cardboard bottom sets up flutedly.

Further, the arc size and the sleeve phase-match of cardboard, and the cardboard constitutes sliding connection in the external member.

Further, the iron plate is all installed at the both ends of recess bottom, and the solid fixed ring top of iron plate below corresponds and has seted up the card hole, magnet is installed to the inside bottom in card hole.

Furthermore, a threaded hole is formed in the middle position inside the fixing ring, and the threaded hole is connected with the threaded connecting rod through threads.

Furthermore, the side wall of the baffle ring at one end of the sliding block is rotatably connected with a lock bolt, and two ends inside the slide way at one end of the lock bolt are correspondingly provided with lock holes.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this bridge crane is with hook assembly who has protective structure, through being provided with fender ring, slider, slide, coupler body, set bar and lockhole, the pulling keeps off the ring and seals the coupler body opening through the slider is inside sliding in the slide, then screws up inside the lockhole that the set bar card is gone into corresponding for the coupler body opening is locked, avoids appearing the unhook, forms good protection, thereby has solved the unstable problem of locking protection.

2. This bridge crane is with hook assembly who has protective structure, through being provided with threaded connection pole, the screw hole, the through-hole, the sleeve, the cardboard, a groove, the iron plate, card hole and magnet, through rotating threaded connection pole card and going into the preliminary locking of screw hole inside completion, then insert the through-hole with the gag lever post inside through the through-hole, avoid the threaded connection pole gyration and become flexible, it makes the recess block the gag lever post fixedly to rotate the sleeve again, avoid the gag lever post to break away from, the iron plate card is gone into card downthehole portion and is adsorbed mutually with magnet and further fixed simultaneously, finally guarantee good installation, also be convenient for dismantle, thereby solved the problem of being not convenient for stable installation and dismantlement.

Drawings

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

FIG. 2 is a schematic perspective view of the anti-separation structure of the present invention;

FIG. 3 is a schematic top view of the retaining ring of the present invention;

FIG. 4 is a schematic front view of the present invention;

FIG. 5 is an enlarged view of the portion A of FIG. 1 according to the present invention.

In the figure: 1. a kit; 2. an anti-falling structure; 201. clamping a plate; 202. a sleeve; 203. a screw rod; 204. a clamping hole; 3. a threaded connecting rod; 4. a baffle ring; 5. a lock bolt; 6. a lock hole; 7. a slideway; 8. a hook body; 9. a mounting seat; 10. an iron block; 11. a fixing ring; 12. a magnet; 13. a clamping hole; 14. a threaded hole; 15. a slider; 16. a through hole; 17. and a through hole.

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. 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.

Referring to fig. 1-5, the lifting hook device with a protective structure for a bridge crane in the present embodiment includes a kit 1, a mounting seat 9 is installed at a middle position of a top end of the kit 1, a fixing ring 11 is installed at a bottom end inside the kit 1, a threaded connection rod 3 is installed at a middle position of a bottom end of the kit 1, and an anti-dropping structure 2 is installed at a top end inside the kit 1.

The coupler body 8 is installed to the bottom of threaded connection pole 3, and the slide 7 has been seted up to one side at coupler body 8 both ends, and the inside sliding connection of slide 7 has slider 15, and the one end of slider 15 is installed and is kept off ring 4.

Referring to fig. 1 and 5, in the embodiment, a through hole 17 is formed at the middle position of the lower end of the two sides of the sleeve 1, and a through hole 16 is correspondingly formed on the side wall of the threaded connecting rod 3 at one side of the through hole 17.

It should be noted that the stopper rod is inserted into the through hole 16 through the through hole 17 to prevent the rotation of the threaded connection rod 3 from loosening.

Referring to fig. 1, 2, 4 and 5, in the embodiment, the anti-disengaging structure 2 includes a screw rod 203, the screw rod 203 is rotatably connected to a middle position of the top end inside the kit 1, an outer wall of the screw rod 203 is rotatably connected to a sleeve 202, two sides of the bottom end of the sleeve 202 are both provided with a clamping plate 201, and a groove 204 is formed in the middle position of the bottom end of the clamping plate 201.

It should be noted that, the rotating sleeve 202 drives the clamping plate 201 to move downwards, so that the groove 204 clamps and fixes the limiting rod, and the limiting rod is prevented from loosening and falling off.

Referring to fig. 1, 2, 4 and 5, in the present embodiment, the arc size of the clamping plate 201 matches with the sleeve 202, and the clamping plate 201 forms a sliding connection inside the sleeve 1.

It should be noted that, the clamping plate 201 forms a sliding connection inside the sleeve 1, so that the sleeve 202 is prevented from rotating to drive the clamping plate 201 to rotate synchronously.

Referring to fig. 1, 2, 3 and 5, in the embodiment, the iron blocks 10 are mounted at two ends of the bottom end of the groove 204, the top end of the fixing ring 11 below the iron block 10 is correspondingly provided with the clamping hole 13, and the bottom end inside the clamping hole 13 is provided with the magnet 12.

It should be noted that the iron block 10 is inserted into the locking hole 13 and further fixed by being attracted to the magnet 12, thereby ensuring a good mounting.

Referring to fig. 1 and 5, in the embodiment, a threaded hole 14 is formed in the middle position inside the fixing ring 11, and the threaded hole 14 is in threaded connection with the threaded connecting rod 3.

It should be noted that the threaded connecting rod 3 is turned to be clamped into the threaded hole 14, so that the primary locking is conveniently completed.

Referring to fig. 1 and 4, in the embodiment, a lock bolt 5 is rotatably connected to a side wall of the baffle ring 4 at one end of the slider 15, and lock holes 6 are correspondingly formed at two ends of an inner portion of the slide 7 at one end of the lock bolt 5.

It should be noted that the screwing bolt 5 is clamped into the lock hole 6, so as to lock the baffle ring 4 conveniently.

It can be understood that this bridge crane is with hook assembly who has protective structure can realize stable locking, avoids appearing the unhook, can realize the dismantlement installation of freedom simultaneously to can guarantee the stability of installation.

The working principle of the above embodiment is as follows:

during operation, the threaded connecting rod 3 is rotated to be clamped into the threaded hole 14 to complete primary locking, then the limiting rod is inserted into the through hole 16 through the through hole 17, the sleeve 202 is rotated to drive the clamping plate 201 to move downwards, the limiting rod is clamped and fixed by the groove 204, and meanwhile the iron block 10 is clamped into the clamping hole 13 to be adsorbed with the magnet 12 to complete final fixing;

the lock bolt 5 is unscrewed to be separated from the inside of the lock hole 6, the locking of the baffle ring 4 is cancelled, the baffle ring 4 is pulled to slide in the slide way 7 through the slide block 15 so as to open the opening of the hook body 8, then a lifted object is sleeved in the hook body 8, the baffle ring 4 is reset, the lock bolt 5 is screwed down so as to lock the opening of the hook body 8, and the unhooking is avoided after the locking.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

1. The utility model provides a bridge crane is with hook assembly who has protective structure, includes external member (1), its characterized in that: the middle position of the top end of the sleeve piece (1) is provided with an installation seat (9), the bottom end in the sleeve piece (1) is provided with a fixing ring (11), the middle position of the bottom end of the sleeve piece (1) is provided with a threaded connecting rod (3), and the top end in the sleeve piece (1) is provided with an anti-falling structure (2);

coupler body (8) are installed to the bottom of threaded connection pole (3), and one side at coupler body (8) both ends has seted up slide (7), the inside sliding connection of slide (7) has slider (15), and the one end of slider (15) is installed and is kept off ring (4).

2. The hook device with the protective structure for the bridge crane according to claim 1, wherein: the middle positions of the lower ends of the two sides of the sleeve (1) are provided with through holes (17), and the side wall of the threaded connecting rod (3) on one side of each through hole (17) is correspondingly provided with a through hole (16).

3. The hook device with the protective structure for the bridge crane according to claim 1, wherein: anti-disengaging structure (2) include lead screw (203), lead screw (203) rotate to be connected in the intermediate position department on the inside top of external member (1), and the outer wall of lead screw (203) rotates and is connected with sleeve (202), cardboard (201) are all installed to the both sides of sleeve (202) bottom, and the intermediate position department of cardboard (201) bottom sets up fluted (204).

4. The hook device with the protective structure for the bridge crane according to claim 3, wherein: the arc size of cardboard (201) and sleeve (202) phase-match, and cardboard (201) constitutes sliding connection in external member (1).

5. The hook device with the protective structure for the bridge crane according to claim 3, wherein: iron plate (10) are all installed at the both ends of recess (204) bottom, and correspond on solid fixed ring (11) top of iron plate (10) below and seted up card hole (13), magnet (12) are installed to the inside bottom in card hole (13).

6. The hook device with the protective structure for the bridge crane according to claim 1, wherein: a threaded hole (14) is formed in the middle of the inner portion of the fixing ring (11), and the threaded hole (14) is connected with the threaded connecting rod (3) through threads.

7. The hook device with the protective structure for the bridge crane according to claim 1, wherein: the side wall of the baffle ring (4) at one end of the sliding block (15) is rotatably connected with a lock bolt (5), and two ends of the inner part of the slide way (7) at one end of the lock bolt (5) are correspondingly provided with lock holes (6).