CN220642249U - Lifting hook with anti-drop function - Google Patents

Abstract

The utility model relates to the technical field of lifting hooks, in particular to a lifting hook with an anti-falling function, which comprises a lifting hook, wherein two connecting pieces are fixedly connected to the outer wall of the circumference of the lifting hook, and arc-shaped barrels are fixedly connected to the two connecting pieces. According to the utility model, when the lock catch rod rotates in the second bearing, the lock catch rod and the lock catch synchronously rotate when the steel wire rope on the lock catch rotates, and meanwhile, the hook rod, the first bearing and the hook also rotate along with the rotation of the steel wire rope on the hook, so that the problem of winding caused by the rotation of the steel wire rope is avoided; meanwhile, the arc-shaped column is driven to be zoomed through the annular spring, so that the opening of the lifting hook can be closed, and the dangerous occurrence that the steel wire rope falls off due to the opening of the lifting hook is avoided.

Description

Lifting hook with anti-drop function

Technical Field

The utility model relates to the technical field of lifting hooks, in particular to a lifting hook with an anti-falling function.

Background

The engineering crane generally comprises a base supporting part, a boarding operation part and the like, and for the mobile crane, the base supporting part comprises a chassis, a frame supporting leg and other bearing structures which can travel on the road, and meanwhile, the chassis also provides power for the boarding operation through a central revolving body; the loading operation part comprises a rotation support, a rotation speed reducer and a rotation hydraulic system which enable the loading to realize 360-degree full rotation, an amplitude variation mechanism consisting of an amplitude variation cylinder and the amplitude variation hydraulic system, a lifting mechanism consisting of a hoisting speed reducer, a lifting steel wire rope and the lifting hydraulic system, a main arm, an auxiliary arm, a turntable, a counterweight, a loading operation room, an electric control or lighting system and the like which can stretch out and draw back dynamically, and a lifting hook is often needed to be used by an engineering crane for lifting objects. The lifting hook comprises a lifting hook main body, an anti-falling baffle and a reset spring, wherein the anti-falling baffle is hinged with the lifting hook main body, the reset spring is matched with the anti-falling baffle to enable the anti-falling baffle to bounce to close an opening of the lifting hook main body, the lifting hook further comprises a baffle pulling structure, the baffle pulling structure is hinged with the anti-falling baffle and extends to the rear of the lifting hook main body, and the lifting hook main body supports the baffle pulling structure to prevent the baffle pulling structure from rotating downwards. When the hard connecting piece is hooked, the catch pulling structure is pulled by hand; in the use process of the lifting hook, the lifting hook is provided with the opening, so that the steel wire rope is conveniently hung on the lifting hook, and a structure for preventing the steel wire rope from falling from the lifting hook is not arranged, so that the steel wire rope often falls off the risk of a guide in the use process of the lifting hook, and the applicant provides the lifting hook with the falling-off prevention function for the problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a lifting hook with an anti-falling function.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a lifting hook with anti-drop function, includes the lifting hook, fixedly connected with two connecting pieces on the circumference outer wall of lifting hook, two on the connecting piece all fixedly connected with arc section of thick bamboo, all be provided with annular spring in the arc section of thick bamboo, annular spring's one end is installed to the arc post;

the novel lifting hook comprises a lifting hook rod, wherein the top of the lifting hook rod is rotationally connected with a first bearing, the first bearing is installed in a balancing weight, the top of the balancing weight is provided with a second bearing, and the inner ring of the second bearing is rotationally connected with a locking rod.

Preferably, the top surface fixedly connected with hasp of hasp pole, "T" type hole has been seted up at the top of balancing weight, second bearing and hasp pole set up in "T" type hole.

Preferably, the top fixedly connected with lifting hook pole of lifting hook, down "T" type hole has been seted up to the bottom of balancing weight, first bearing and lifting hook pole set up in down "T" type hole.

Preferably, the circumference outer wall fixedly connected with of lifting hook inserts a section of thick bamboo, two the arc post all corresponds and peg graft to two and insert a section of thick bamboo in.

Preferably, the two arc-shaped columns are fixedly connected with a connecting column together, and the connecting column is contacted with the inner side wall of the lifting hook.

The utility model has the following beneficial effects:

according to the utility model, when the lock catch rod rotates in the second bearing, the lock catch rod and the lock catch synchronously rotate when the steel wire rope on the lock catch rotates, and meanwhile, the hook rod, the first bearing and the hook also rotate along with the rotation of the steel wire rope on the hook, so that the problem of winding caused by the rotation of the steel wire rope is avoided; meanwhile, the arc-shaped column is driven to be zoomed through the annular spring, so that the opening of the lifting hook can be closed, and the dangerous occurrence that the steel wire rope falls off due to the opening of the lifting hook is avoided.

Drawings

Fig. 1 is a schematic diagram of an overall disassembly structure of a hook with an anti-falling function according to the present utility model;

fig. 2 is a schematic diagram of the overall structure of a hook with anti-falling function according to the present utility model;

fig. 3 is a schematic structural view of a connecting piece, an arc cylinder and an arc column of a hook with an anti-falling function according to the present utility model.

In the figure: 1. a lifting hook; 2. a hanger bar; 3. a first bearing; 4. balancing weight; 5. a second bearing; 6. a locking bar; 7. locking; 8. a connecting piece; 9. an arc-shaped barrel; 10. an annular spring; 11. an arc column; 12. a plug cylinder; 13. and (5) connecting the columns.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a lifting hook with an anti-falling function comprises a lifting hook 1, wherein two connecting pieces 8 are fixedly connected to the outer circumferential wall of the lifting hook 1, arc-shaped barrels 9 are fixedly connected to the two connecting pieces 8, annular springs 10 are arranged in the arc-shaped barrels 9, and one ends of the annular springs 10 are mounted on arc-shaped columns 11;

the novel lifting hook comprises a lifting hook rod 2, a first bearing 3 is rotatably connected to the top of the lifting hook rod 2, the first bearing 3 is installed in a balancing weight 4, a second bearing 5 is installed on the top of the balancing weight 4, and a lock catch rod 6 is rotatably connected to the inner ring of the second bearing 5.

In the utility model, the top surface of the locking rod 6 is fixedly connected with a lock catch 7, a T-shaped hole is formed in the top of the balancing weight 4, and the second bearing 5 and the locking rod 6 are arranged in the T-shaped hole.

In the utility model, the top of the lifting hook 1 is fixedly connected with the lifting hook rod 2, the bottom of the balancing weight 4 is provided with an inverted T-shaped hole, and the first bearing 3 and the lifting hook rod 2 are arranged in the inverted T-shaped hole.

In the utility model, two inserting barrels 12 are fixedly connected to the circumferential outer wall of the lifting hook 1, and two arc-shaped columns 11 are correspondingly inserted into the two inserting barrels 12.

In the utility model, the two arc-shaped columns 11 are fixedly connected with a connecting column 13 together, and the connecting column 13 is contacted with the inner side wall of the lifting hook 1.

The application method and the advantages of the utility model are as follows: when the lifting hook with the anti-falling function is used, the working process is as follows:

when a user needs to hang an object to be lifted on the lifting hook 1, the user only needs to dial the connecting column 13 by fingers at the moment, then drives the two arc-shaped columns 11 to extend into the connecting piece 8 through the connecting column 13, the annular spring 10 is contracted under the driving of the arc-shaped columns 11, the rear lifting hook 1 reserves a space, the object to be lifted can be hung on the lifting hook 1 at the moment, the connecting column 13 is loosened by the user, the two arc-shaped columns 11 are driven to be inserted into the two inserting cylinders 12 under the rebound of the annular spring 10, and the rope hung on the lifting hook 1 at the moment is limited by the annular spring 10, so that the trouble of object damage caused by falling can be avoided;

the wire rope is tied on the hasp 7, the object of waiting to promote is hung on the lifting hook 1, when hasp 7 upwards moves, in order to avoid wire rope winding on hasp 7 and the wire rope winding of waiting to promote the object on lifting hook 1, through the cooperation of hoist rod 2 and first bearing 3 and second bearing 5 and hasp pole 6, when wire rope changes, hasp pole 6 can rotate in second bearing 5, hasp pole 6 drives hasp 7 simultaneously and rotates, hoist rod 2 rotates in first bearing 3 simultaneously, first bearing 3 drives hoist rod 2 and lifting hook 1 simultaneously and rotates, thereby the winding condition that the wire rope changes the circle to appear has been avoided.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a lifting hook with anti-drop function which characterized in that; the lifting hook comprises a lifting hook (1), wherein two connecting pieces (8) are fixedly connected to the circumferential outer wall of the lifting hook (1), arc-shaped cylinders (9) are fixedly connected to the two connecting pieces (8), annular springs (10) are arranged in the arc-shaped cylinders (9), and one ends of the annular springs (10) are mounted on arc-shaped columns (11);

the novel lifting hook comprises a lifting hook rod (2), wherein a first bearing (3) is rotatably connected to the top of the lifting hook rod (2), the first bearing (3) is installed in a balancing weight (4), a second bearing (5) is installed on the top of the balancing weight (4), and a lock catch rod (6) is rotatably connected to the inner ring of the second bearing (5).

2. The hook with anti-drop function according to claim 1, wherein: the top surface fixedly connected with hasp (7) of hasp pole (6), "T" type hole has been seted up at the top of balancing weight (4), second bearing (5) and hasp pole (6) set up in "T" type hole.

3. The hook with anti-drop function according to claim 1, wherein: the top fixedly connected with lifting hook pole (2) of lifting hook (1), the bottom of balancing weight (4) has been seted up and has been fallen "T" type hole, first bearing (3) and lifting hook pole (2) set up in falling "T" type hole.

4. The hook with anti-drop function according to claim 1, wherein: the circumference outer wall of lifting hook (1) fixedly connected with two insert a section of thick bamboo (12), two arc post (11) all correspond and peg graft in two insert a section of thick bamboo (12).

5. The hook with anti-drop function according to claim 1, wherein: the two arc-shaped columns (11) are fixedly connected with connecting columns (13) together, and the connecting columns (13) are contacted with the inner side wall of the lifting hook (1).