CN219449027U

CN219449027U - Bridge crane for cargo displacement

Info

Publication number: CN219449027U
Application number: CN202320706816.0U
Authority: CN
Inventors: 刘兴刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-08-01
Anticipated expiration: 2033-04-03

Abstract

The utility model discloses a bridge crane for cargo displacement, which comprises a bridge, wherein a travelling trolley is arranged on the bridge, a lifting mechanism is arranged on the travelling trolley, the lifting mechanism is connected with a hanging frame through a first hanging hook, a lifting lug matched with the first hanging hook is fixedly connected to the center of the top of the hanging frame, a plurality of fork shearing mechanisms are arranged at the bottom of the travelling trolley, the bottom ends of the fork shearing mechanisms are connected with the top of the hanging frame, and a plurality of second hanging hooks are arranged at the bottom of the hanging frame; when the lifting device is used for lifting long rod-shaped articles, the long rod-shaped articles can be lifted in multiple points through the lifting hooks, so that the lifting stability is ensured, and in the lifting process, the lifting fork mechanisms can play a role in positioning the lifting frame in the horizontal direction below the travelling trolley, so that the long rod-shaped articles are effectively prevented from deflecting, the steel wire rope is prevented from being distorted and deformed, and the lifting safety of the long rod-shaped articles is effectively improved.

Description

Bridge crane for cargo displacement

Technical Field

The utility model relates to a bridge crane, in particular to a bridge crane for cargo displacement.

Background

The bridge crane is hoisting equipment for hoisting materials in workshops, warehouses and stock yards. The bridge-like shape is obtained by sitting on tall concrete columns or metal supports at both ends. The bridge frame of the bridge crane longitudinally runs along the tracks paved on the two side high frames, so that the space below the bridge frame can be fully utilized to hoist materials, and the bridge frame is not blocked by ground equipment. The crane is a hoisting machine with the widest application range and the greatest quantity, and the bridge crane generally comprises a bridge frame (also called a cart), a lifting mechanism, a trolley, a cart traveling mechanism, a control room, a trolley conductive device (auxiliary sliding wire), a crane main power supply conductive device (main sliding wire) and the like.

When the bridge crane is used, the bridge frame moves longitudinally along the track under the drive of the trolley traveling mechanism, the trolley drives the lifting mechanism to move transversely along the bridge frame under the drive of the trolley traveling mechanism, and the lifting mechanism is used for lifting the object through the steel cable and the hook.

The bridge crane that current is commonly used mostly only possesses a lifting hook, and stability is relatively poor when handling long rod-shaped article, and some cranes have increased the hoisting point to article through supplementary hoist to improve article stability of lifting by crane, but article easily takes place to deflect at handling in-process, and leads to steel cable distortion, has great potential safety hazard, remains to improve.

Disclosure of Invention

The utility model aims to provide a bridge crane for cargo displacement, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a bridge crane for goods shift, includes the crane span structure, install the walking dolly on the crane span structure, install elevating system on the walking dolly, elevating system is connected with the gallows through first lifting hook, the top center department fixedly connected with of gallows and the lug of first lifting hook looks adaptation, a plurality of fork mechanisms are cut to the bottom of walking dolly, the bottom of cutting fork mechanism all is connected with the top of gallows, a plurality of second lifting hooks are installed to the bottom of gallows.

As a further scheme of the utility model: the shearing fork mechanism comprises a plurality of first connecting rods and second connecting rods, the quantity of the first connecting rods is equal, the middle parts of every two corresponding first connecting rods and the middle parts of every two corresponding second connecting rods are connected in a rotating mode through a pin shaft, and the end parts of the two upper and lower adjacent first connecting rods and the end parts of the two second connecting rods are connected in a rotating mode through pin shafts.

As a further scheme of the utility model: the bottom of walking dolly and the top of gallows and the corresponding department of each fork mechanism all fixedly connected with first connecting seat, the bottom of walking dolly and the top of gallows are located the first guide rail of the equal fixedly connected with in one side of each first connecting seat, all sliding sleeve has connected the second connecting seat on the first guide rail, are located the tip of first connecting rod, the second connecting rod at fork mechanism both ends and corresponding first connecting seat or second connecting seat rotate to be connected.

As a further scheme of the utility model: the bottom fixedly connected with a plurality of second guide rails of gallows, the outer wall sliding connection of second guide rail has a plurality of slides, the second lifting hook is installed on corresponding slide.

As still further aspects of the utility model: the outer wall of the second guide rail is provided with a plurality of threaded holes along the length direction of the second guide rail, bolts penetrate through the sliding seat, and the bolts are matched with the threaded holes.

Compared with the prior art, the utility model has the beneficial effects that:

when the lifting device is used for lifting long rod-shaped articles, the long rod-shaped articles can be lifted in multiple points through the lifting hooks, so that the lifting stability is ensured, and in the lifting process, the lifting fork mechanisms can play a role in positioning the lifting frame in the horizontal direction below the travelling trolley, so that the long rod-shaped articles are effectively prevented from deflecting, the steel wire rope is prevented from being distorted and deformed, and the lifting safety of the long rod-shaped articles is effectively improved.

Drawings

Fig. 1 is a schematic structural view of a bridge crane for cargo displacement.

Fig. 2 is a schematic structural view of a scissor mechanism in a bridge crane for cargo displacement.

Fig. 3 is a schematic structural view of a second connection base in a bridge crane for cargo displacement.

Fig. 4 is an enlarged view at a in fig. 3.

The device comprises a bridge frame 1, a travelling trolley 2, a lifting mechanism 3, a first lifting hook 4, a lifting frame 5, lifting lugs 6, a scissor mechanism 7, a first connecting rod 8, a second connecting rod 9, a first connecting seat 10, a first guide rail 11, a second connecting seat 12, a second guide rail 13, a sliding seat 14, a second lifting hook 15, threaded holes 16 and bolts 17.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, in the embodiment of the utility model, a bridge crane for cargo displacement includes a bridge 1, two ends of the bridge 1 are provided with a cart traveling mechanism for driving the bridge 1 to move along a crane track, a travelling trolley 2 is provided on the bridge 1, a cart traveling mechanism for driving the travelling trolley 2 to move along the length direction of the bridge 1 is provided on the travelling trolley 2, a lifting mechanism 3 is provided on the travelling trolley 2, the lifting mechanism 3 is composed of a lifting motor, a speed reducer, a reel, a brake and the like, the lifting motor is connected with the speed reducer through a coupler and a brake wheel, an output shaft of the speed reducer is connected with the reel wound with a wire rope, a first lifting hook 4 is provided on the wire rope, when the reel rotates, the first lifting hook 4 ascends or descends along with winding or unwinding of the wire rope on the reel, the lifting mechanism 3 is connected with a hanger 5 through the first lifting hook 4, a plurality of fork mechanisms 7 are fixedly connected with 6 adapted to the first lifting hook 4 at the center of the top of the hanger 5, a plurality of fork mechanisms 7 are provided at the bottom of the travelling trolley 2, and the bottom of the hanger 5 is provided with a plurality of lifting hooks 15.

According to the lifting device, the lifting device and the lifting method, when the lifting device is used for lifting long rod-shaped objects, the long rod-shaped objects can be lifted through the lifting hooks 15 in multiple points, so that the lifting stability is ensured, and in the lifting process, the lifting fork mechanisms 7 can play a role in positioning the lifting frame 5 in the horizontal direction below the travelling trolley 2, so that the long rod-shaped objects are effectively prevented from deflecting, the steel wire ropes are prevented from being distorted and deformed, and the lifting safety of the long rod-shaped objects is effectively improved.

With specific reference to fig. 2, in one embodiment of the present utility model, the scissor mechanism 7 includes a plurality of first links 8 and second links 9 with equal numbers, the middle parts of each two corresponding first links 8 and second links 9 are rotationally connected through a pin, and the end parts of two upper and lower adjacent first links 8 and second links 9 are rotationally connected through a pin; through adopting above-mentioned scheme, at the in-process that gallows 5 goes up and down, can take place relative rotation between first connecting rod 8, the second connecting rod 9 to make the length of scissor mechanism water gallows 5 go up and down and change, in order to adapt to gallows 5's height.

With specific reference to fig. 2 and fig. 3, further, on the basis of the above embodiment, the bottom of the travelling car 2 and the top of the hanger 5 are fixedly connected with first connecting seats 10 at the corresponding positions of the respective scissor mechanisms 7, the bottom of the travelling car 2 and the top of the hanger 5 are fixedly connected with first guide rails 11 on one sides of the respective first connecting seats 10, second connecting seats 12 are slidably sleeved on the first guide rails 11, and the ends of the first connecting rods 8 and the second connecting rods 9 at the two ends of the scissor mechanisms 7 are rotationally connected with the corresponding first connecting seats 10 or the second connecting seats 12.

In the lifting process of the hanging frame 5, the scissor mechanism 7 stretches and contracts along with the lifting process, so that the second connecting seat 12 is driven to slide on the corresponding first guide rail 11, and interference to stretching and contracting of the scissor mechanism 7 is avoided.

With specific reference to fig. 1 and fig. 4, in one embodiment of the present utility model, a plurality of second rails 13 are fixedly connected to the bottom of the hanger 5, a plurality of sliding bases 14 are slidably connected to the outer walls of the second rails 13, and the second hooks 15 are mounted on the corresponding sliding bases 14.

By the cooperation of the second guide rail 13 with the slide 14, it is facilitated to adjust the position of each second hook 15 in the length direction of the hanger 5, so as to ensure that each second hook 15 is uniformly stressed when being lifted.

With specific reference to fig. 1 and fig. 4, further, on the basis of the above embodiment, the outer wall of the second guide rail 13 is provided with a plurality of threaded holes 16 along the length direction thereof, the slide base 14 is provided with bolts 17 in a penetrating manner, and the bolts 17 are matched with the threaded holes 16.

Through the cooperation of bolt 17 and screw hole 16, can lock slide 14 on second guide rail 13 to avoid the slide 14 to slide on second guide rail 13 in the handling in-process, thereby improve the stability of handling.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a bridge crane for goods shift which characterized in that: including crane span structure (1), install travelling car (2) on crane span structure (1), install elevating system (3) on travelling car (2), elevating system (3) are connected with gallows (5) through first lifting hook (4), the top center department fixedly connected with of gallows (5) and lug (6) of first lifting hook (4) looks adaptation, a plurality of fork mechanism (7) are installed to the bottom of travelling car (2), the bottom of fork mechanism (7) is all connected with the top of gallows (5), a plurality of second lifting hooks (15) are installed to the bottom of gallows (5).

2. The bridge crane for displacement of cargo according to claim 1, wherein: the shearing fork mechanism (7) comprises a plurality of first connecting rods (8) and second connecting rods (9) with the same number, the middle parts of each two corresponding first connecting rods (8) and second connecting rods (9) are rotationally connected through pin shafts, and the end parts of the two upper and lower adjacent first connecting rods (8) and the end parts of the two second connecting rods (9) are rotationally connected through pin shafts.

3. Bridge crane for displacement of goods according to claim 2, characterized in that: the bottom of travelling car (2) and the corresponding department of gallows (5) and each fork mechanism (7) all fixedly connected with first connecting seat (10), the bottom of travelling car (2) and the top of gallows (5) are located one side of each first connecting seat (10) and all fixedly connected with first guide rail (11), second connecting seat (12) have all been cup jointed in the slip on first guide rail (11), are located the tip of first connecting rod (8), second connecting rod (9) at fork mechanism (7) both ends and corresponding first connecting seat (10) or second connecting seat (12) rotate and are connected.

4. The bridge crane for displacement of cargo according to claim 1, wherein: the bottom of gallows (5) fixedly connected with a plurality of second guide rail (13), the outer wall sliding connection of second guide rail (13) has a plurality of slides (14), second lifting hook (15) are installed on corresponding slide (14).

5. The bridge crane for displacement of cargo as defined in claim 4, wherein: the outer wall of the second guide rail (13) is provided with a plurality of threaded holes (16) along the length direction, bolts (17) are arranged on the sliding seat (14) in a penetrating mode, and the bolts (17) are matched with the threaded holes (16).