CN216038249U

CN216038249U - Suspension hook swinging limiting device of bridge crane

Info

Publication number: CN216038249U
Application number: CN202122265871.4U
Authority: CN
Inventors: 郭孝庆; 伏慧君
Original assignee: Shanghai Shenyin Science And Technology Co ltd
Current assignee: Shanghai Shenyin Science And Technology Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-03-15
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a suspension hook swinging limiting device of a bridge crane, and belongs to the field of bridge cranes. It includes the girder and slides the electronic dolly in the girder top, the below of electronic dolly is equipped with the lifting hook, rotate through two pivots in the electronic dolly and be connected with a plurality of reels of winding, and a plurality ofly have wire rope around the equal winding of reel, a plurality of wire rope's one end all runs through electronic dolly and is fixed with the lifting hook, every wire rope is all movable sleeve to be equipped with the sleeve pipe, every two sleeve pipes all rotate through the connecting piece and connect, the sleeve pipe of every wire rope top one side all is located the electronic dolly and is fixed through connecting plate and wire rope. The utility model can limit the swing amplitude of the steel wire rope, thereby improving the stability and safety of the workpiece in the conveying process and simultaneously improving the torque and stability of the steel wire rope in the driving process of the winding wheel.

Description

Suspension hook swinging limiting device of bridge crane

Technical Field

The utility model relates to a suspension hook swinging limiting device of a bridge crane, and belongs to the field of bridge cranes.

Background

The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity.

The steel wire rope on the bridge crane in the prior art is easy to swing to a large extent in the process of carrying workpieces, so that equipment is easy to damage, safety accidents occur, and the use of people is influenced.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: the utility model provides a bridge crane's lifting hook dangling stop device, it has solved the wire rope on the bridge crane among the prior art and has swung great range easily in the work piece handling to cause equipment damage easily, take place the incident, influence the problem that people used.

The technical problem to be solved by the utility model is realized by adopting the following technical scheme:

the utility model provides a bridge crane's lifting hook dangling stop device, includes girder and the electronic dolly of slip in the girder top, the below of electronic dolly is equipped with the lifting hook, rotate through two pivots in the electronic dolly and be connected with a plurality ofly around the winding wheel, and a plurality of it has wire rope, a plurality of to wind the equal winding of winding wheel wire rope's one end all runs through electronic dolly and is fixed with the lifting hook, every the equal movable sleeve of wire rope is equipped with the sleeve pipe, per two the sleeve pipe all rotates through the connecting piece to be connected, every the sleeve pipe of wire rope top one side all is located electronic dolly and is fixed through connecting plate and wire rope.

As a preferable example, one end of each of the two rotating shafts penetrates through the electric trolley and is fixed with a worm wheel, a worm is arranged between the two worm wheels and is meshed with the two worm wheels, a driving motor is fixed on the top of the electric trolley, and a transmission shaft of the driving motor is fixed with one end of the worm.

As a preferable example, each of the connecting members includes a rotating block and a fixing shaft, one side of the bottom of one of the sleeves, which is far away from the center of the electric trolley, is fixed to the rotating block, one side of the top of the other sleeve is provided with a notch matched with the rotating block, the fixing shaft is fixed in the notch, and the fixing shaft and the rotating block are movably sleeved with each other.

As a preferred example, each fixed shaft is movably sleeved with a torsion spring, and two ends of the torsion spring are respectively fixed with the rotating block and the side wall of the notch.

As a preferred example, a buffer washer is fixed to an outer wall of each of the sleeves.

As a preferable example, the other end of the worm is rotationally connected with the electric trolley through a rotating sleeve.

The utility model has the beneficial effects that: the utility model can limit the swing amplitude of the steel wire rope, thereby improving the stability and safety of the workpiece in the conveying process and simultaneously improving the torque and stability of the steel wire rope in the driving process of the winding wheel.

Drawings

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

FIG. 2 is a schematic structural view of portion A of FIG. 1;

FIG. 3 is a schematic structural view of the electric cart, the worm wheel, the worm and the driving motor.

In the figure: the main beam comprises a main beam 1, an electric trolley 2, a lifting hook 3, a winding wheel 4, a steel wire rope 5, a sleeve 6, a connecting plate 7, a rotating shaft 8, a worm wheel 9, a worm 10, a driving motor 11, a rotating block 12, a fixed shaft 13, a torsion spring 14, a buffer gasket 15 and a rotating sleeve 16.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purpose and the efficacy of the utility model easy to understand, the utility model is further described with reference to the specific drawings.

As shown in fig. 1-3, a suspension hook swing limiting device for a bridge crane comprises a main beam 1 and an electric trolley 2 sliding above the main beam 1, a suspension hook 3 is arranged below the electric trolley 2, a plurality of winding wheels 4 are rotatably connected in the electric trolley 2 through two rotating shafts 8, a steel wire rope 5 is wound on each winding wheel 4, one end of each steel wire rope 5 penetrates through the electric trolley 2 and is fixed with the suspension hook 3, a sleeve 6 is movably sleeved on each steel wire rope 5, each two sleeves 6 are rotatably connected through a connecting piece, the length of each sleeve 6 is a fixed value, each sleeve 6 can rotate around the connecting piece in the rotating process of the winding wheels 4, so that each sleeve 6 can be wound on the winding wheel 4, the connecting pieces of the sleeves 6 on each steel wire rope 5 are far away from each other, each steel wire rope 5 can play a limiting effect in one direction, and the plurality of steel wire ropes 5 can be limited in multiple directions after being combined, the sleeve 6 on the uppermost side of each steel wire rope 5 is positioned in the electric trolley and is fixed with the steel wire rope 5 through a connecting plate 7.

The one end of two pivot 8 all runs through electronic dolly 2 and is fixed with worm wheel 9, is equipped with worm 10 between two worm wheel 9, and worm 10 and two worm wheel 9 intermeshing, and the top of electronic dolly 2 is fixed with driving motor 11, and driving motor 11's transmission shaft is fixed with the one end of worm 10.

Every connecting piece all includes commentaries on classics piece 12 and fixed axle 13, and one side of 2 center departments of electronic dolly are kept away from to a sleeve pipe 6 bottom is fixed with commentaries on classics piece 12, and one side at another sleeve pipe 6 top is seted up with changeing 12 assorted breachs, and fixed axle 13 is fixed in the breach, and fixed axle 13 establishes with changeing 12 movable sleeve of piece, can make and rotate between two sleeve pipes 6.

Every fixed axle 13 all activity cover is equipped with torsional spring 14, and the both ends of torsional spring 14 are fixed with the lateral wall of commentaries on classics piece 12 and breach respectively, and torsional spring 14's torsion can drive commentaries on classics piece 12 and rotate, and then guarantees that two sleeve pipes 6 can splice together.

The outer wall of each sleeve 6 is fixed with a buffer gasket 15, so that the pressure applied to the sleeve 6 can be reduced.

The other end of the worm 10 is rotationally connected with the electric trolley 2 through the rotary sleeve 16, so that the rotational stability of the worm 10 can be improved.

The working principle is as follows: when in use, the transmission shaft of the driving motor 11 can drive the worm 10 to rotate, the worm 10 is meshed with the two worm wheels 9, so that the worm 10 can drive the two worm wheels 9 to rotate, the rotating directions of the two worm wheels 9 are opposite, the worm wheels 9 can drive the winding wheel 4 to rotate through the rotating shaft 8, the steel wire rope 5 and the lifting hook 3 can be lowered, the steel wire rope 5 can be ensured to be in a vertical state in the process of lowering through the self gravity of the lifting hook 3, the plurality of sleeves 6 and the connecting pieces are arranged, the plurality of sleeves 6 can be automatically spliced into a whole in the lowering process of the steel wire rope 5, the connecting pieces on the plurality of steel wire ropes 5 are far away from each other, the uppermost sleeve 6 is fixed with the steel wire rope 5 through the connecting plate 7, and the position where the steel wire rope 5 and the sleeves 6 are sleeved can not swing, only the steel wire rope 5 close to one side of the lifting hook can swing for a small distance, so that the stability of the workpiece in the conveying process is improved, and the use by people is facilitated.

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

Claims

1. The utility model provides a bridge crane's lifting hook dangling stop device, includes girder (1) and slides electronic dolly (2) in girder (1) top, the below of electronic dolly (2) is equipped with lifting hook (3), its characterized in that: it is connected with a plurality of take-up pulley (4) that wind through two pivot (8) rotation in electric trolley (2), and a plurality of it has wire rope (5), a plurality of all twine around take-up pulley (4) the one end of wire rope (5) all runs through electric trolley (2) and is fixed with lifting hook (3), every wire rope (5) all activity cover is equipped with sleeve pipe (6), per two sleeve pipe (6) all rotate through the connecting piece and connect, every sleeve pipe (6) of wire rope (5) top one side all are located electric trolley and are fixed with wire rope (5) through connecting plate (7).

2. The suspension hook swinging limiting device of the bridge crane according to claim 1, wherein: two the one end of pivot (8) all runs through electronic dolly (2) and is fixed with worm wheel (9), two be equipped with worm (10) between worm wheel (9), just worm (10) and two worm wheel (9) intermeshing, the top of electronic dolly (2) is fixed with driving motor (11), just the transmission shaft of driving motor (11) is fixed with the one end of worm (10).

3. The suspension hook swinging limiting device of the bridge crane according to claim 1, wherein: every the connecting piece all includes commentaries on classics piece (12) and fixed axle (13), one sleeve pipe (6) bottom is kept away from one side of electronic dolly (2) center department and is fixed with commentaries on classics piece (12), another one side at sleeve pipe (6) top is seted up with commentaries on classics piece (12) assorted breach, in fixed axle (13) are fixed in the breach, just fixed axle (13) are established with commentaries on classics piece (12) activity cover.

4. The suspension hook swinging limiting device of the bridge crane according to claim 3, wherein: every fixed axle (13) all activity cover is equipped with torsional spring (14), just the both ends of torsional spring (14) are fixed with the lateral wall of commentaries on classics piece (12) and breach respectively.

5. The suspension hook swinging limiting device of the bridge crane according to claim 1, wherein: and a buffer gasket (15) is fixed on the outer wall of each sleeve (6).

6. The suspension hook swinging limiting device of the bridge crane according to claim 2, wherein: the other end of the worm (10) is rotationally connected with the electric trolley (2) through a rotating sleeve (16).