CN220165650U - Double-beam European crane with high stability - Google Patents

Abstract

The utility model provides a high stability's double-beam European crane, the easy swing of hoist cargo has effectually been solved, stability subalternation problem, it includes the crane span structure, the dolly, the reel, wire rope, support and lifting hook, rotate on the support and be connected with the assembly pulley, assembly pulley and wire rope cooperate, the support internal fixation has the cylinder that is located the assembly pulley below, the cylinder left side is equipped with first blind hole, first blind hole internal spline connection has first pin, first pin left end articulates there is the first pulley that is located the support outside, install first spring between first pin right-hand member and the cylinder, the cylinder right side is equipped with the second blind hole, second blind hole internal spline connection has the second pin, second pin right-hand member articulates there is the second pulley that is located the support outside, install the second spring between second pin left end and the cylinder, the dolly left side is equipped with the roller, the winding has adjusting rope on the roller, the dolly articulates there is third pulley and fourth pulley, the adjusting rope passes through the third pulley in proper order, first pulley, second pulley and fourth pulley.

Description

Double-beam European crane with high stability

Technical Field

The utility model relates to the technical field of cranes, in particular to a high-stability double-beam European crane.

Background

The double-beam European crane is based on a modularized design theory and a modern computer technology, and a novel bridge crane with high commonality, intellectualization and high technology is completed by adopting a novel material and a novel technology. Compared with the traditional crane, the double-beam European crane has the advantages of light weight, large working range, stable operation and the like.

The double-beam European crane is in the process of lifting cargoes, especially when the cargoes just break away from the ground, because the focus of cargoes is unstable, the cargoes swing in the air very easily, influences the stability that the cargoes lifted.

Disclosure of Invention

Aiming at the situation, the utility model aims to overcome the defects of the prior art and provide the double-beam European crane with high stability, which effectively solves the problems of easy swing, poor stability and the like of the lifted goods.

The technical scheme includes that the novel crane comprises a bridge, a trolley is operated on the bridge, a winding drum is arranged on the trolley, a steel wire rope is wound on the winding drum, a support is arranged below the trolley, a lifting hook is arranged at the bottom of the support, a pulley block is connected to the support in a rotating mode, the pulley block is matched with the steel wire rope, a cylinder positioned below the pulley block is fixed in the support, a first blind hole is formed in the left side of the cylinder, a first stop lever is connected with a spline in the first blind hole, a first pulley positioned on the outer side of the support is hinged to the left end of the first stop lever, a first spring is installed between the right end of the first stop lever and the cylinder, a second blind hole is formed in the right side of the cylinder, a second stop lever is connected with a second stop lever in the spline mode, and a second spring is installed between the left end of the second stop lever and the cylinder;

the left side of the trolley is provided with a roller, an adjusting rope is wound on the roller, the left side of the trolley is hinged with a third pulley, the right side of the trolley is hinged with a fourth pulley, the third pulley and the fourth pulley are symmetrically arranged about the lifting hook, the adjusting rope sequentially passes through the third pulley, the first pulley, the second pulley and the fourth pulley, and the right end of the adjusting rope is fixedly connected with the trolley.

Preferably, a servo motor is fixed on the trolley and is fixedly connected with the roller coaxially through a speed reducer.

Preferably, the bracket is provided with a through hole matched with the adjusting rope, and the adjusting rope passes through the through hole.

Compared with the traditional equipment, the utility model has the following advantages: 1) Under the action of the adjusting rope, the first pulley, the second pulley, the third pulley and the fourth pulley, the swing amplitude brought by the lifting hook can be reduced, the balance of the lifting hook is maintained, and the stability of the up-and-down movement of the lifting hook is improved; 2) The structure that combines cylinder, first pin, first spring, second pin and second spring can effectively absorb the impact force that the lifting hook swing brought, further lightens lifting hook swing range, and balanced effectual, safety and stability.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the present utility model.

Fig. 2 is a schematic diagram of a front view of the present utility model.

Fig. 3 is a schematic view of a three-dimensional structure of a bracket in the present utility model.

Fig. 4 is a schematic view of a cross-section of a cylinder, a first bar and a second bar of the present utility model.

Reference numerals: 1. a bridge; 2. a trolley; 3. a reel; 4. a wire rope; 5. a bracket; 6. a lifting hook; 7. pulley block; 8. a cylinder; 9. a first blind hole; 10. a first stop lever; 11. a first pulley; 12. a first spring; 13. a second blind hole; 14. a second stop lever; 15. a second pulley; 16. a second spring; 17. a roller; 18. an adjusting rope; 19. a third pulley; 20. and a fourth pulley.

Detailed Description

The following describes the embodiments of the present utility model in further detail with reference to the drawings.

The two-beam European crane with high stability comprises a bridge frame 1, wherein a trolley 2 is operated on the bridge frame 1, a winding drum 3 is arranged on the trolley 2, a steel wire rope 4 is wound on the winding drum 3, a bracket 5 is arranged below the trolley 2, a lifting hook 6 is arranged at the bottom of the bracket 5, a pulley block 7 is rotationally connected to the bracket 5, the pulley block 7 is matched with the steel wire rope 4, a cylinder 8 positioned below the pulley block 7 is fixed in the bracket 5, a first blind hole 9 is arranged at the left side of the cylinder 8, a first stop lever 10 is connected with a first stop lever 9 through a spline, a first spring 12 is arranged between the right end of the first stop lever 10 and the cylinder 8 in a hinged manner, a second blind hole 13 is arranged at the right side of the cylinder 8, a second stop lever 14 is connected with a second stop lever 14 through a spline in the second blind hole 13, a second spring 16 is hinged at the right end of the second stop lever 14 and positioned at the outer side of the bracket 5, and a second pulley 15 is arranged between the left end of the second stop lever 14 and the cylinder 8;

the left side of the trolley 2 is provided with a roller 17, an adjusting rope 18 is wound on the roller 17, the left side of the trolley 2 is hinged with a third pulley 19, the right side of the trolley 2 is hinged with a fourth pulley 20, the third pulley 19 and the fourth pulley 20 are symmetrically arranged left and right relative to the lifting hook 6, the adjusting rope 18 sequentially passes through the third pulley 19, the first pulley 11, the second pulley 15 and the fourth pulley 20, and the right end of the adjusting rope 18 is fixedly connected with the trolley 2.

In order to ensure proper rotation speed of the roller 17, a servo motor is fixed on the trolley 2 and is fixedly connected with the roller 17 coaxially through a speed reducer.

The bracket 5 is provided with a through hole matched with the adjusting rope 18, and the adjusting rope 18 passes through the through hole.

When the utility model is used, the third pulley 19 and the fourth pulley 20 are symmetrically arranged left and right relative to the lifting hook 6, so that the lifting hook 6 moves vertically up and down, when the lifting hook 6 lifts a cargo, the winding drum 3 and the servo motor are simultaneously started, the winding drum 3 drives the steel wire rope 4 to move upwards, the servo motor drives the roller 17 to fold the adjusting rope 18, the adjusting rope 18 is in a tightening state, when the cargo just breaks away from the ground, the cargo swings in the air due to unstable gravity center, the swing amplitude of the cargo is reduced under the action of the adjusting rope 18, the expansion and contraction of the first stop lever 10 and the second stop lever 14 are skillfully controlled under the action of the first spring 12 and the second spring 16, the impact caused by the swing of the cargo is relieved, further lighten the swing range of goods, can help the goods to reach balanced state fast, later reel 3 drives wire rope 4 and continues to lift by crane, servo motor drives roller 17 and draws in simultaneously and adjust rope 18 for lifting hook 6 keeps balanced state, can not take place the slope about, stability is high, improves and lifts by crane the security, and the speed of receiving and releasing of adjusting rope 18 is set according to the speed when lifting hook 6 rises or descends, guarantees that adjusting rope 18 is in the state of tightening always, and in addition under the effect of third pulley 19, the adjusting rope 18 of roller 17 rolling is in vertical direction, helps the rolling operation of roller 17, avoids adjusting rope 18 to appear the phenomenon of knoing.

The present embodiment is not limited in any way by the shape, material, structure, etc. of the present utility model, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model are all included in the scope of protection of the technical solution of the present utility model.

Claims (3)

1. The double-beam European crane with high stability comprises a bridge frame (1), wherein a trolley (2) is operated on the bridge frame (1), a winding drum (3) is arranged on the trolley (2), a steel wire rope (4) is wound on the winding drum (3), a bracket (5) is arranged below the trolley (2), a lifting hook (6) is arranged at the bottom of the bracket (5), a pulley block (7) is rotationally connected on the bracket (5), the pulley block (7) is matched with the steel wire rope (4), the novel pulley block is characterized in that a cylinder (8) positioned below the pulley block (7) is fixed in the bracket (5), a first blind hole (9) is formed in the left side of the cylinder (8), a first stop lever (10) is connected to an inner spline of the first blind hole (9), a first pulley (11) positioned on the outer side of the bracket (5) is hinged to the left end of the first stop lever (10), a first spring (12) is installed between the right end of the first stop lever (10) and the cylinder (8), a second blind hole (13) is formed in the right side of the cylinder (8), a second stop lever (14) is connected to an inner spline of the second blind hole (13), a second pulley (15) positioned on the outer side of the bracket (5) is hinged to the right end of the second stop lever (14), and a second spring (16) is installed between the left end of the second stop lever (14) and the cylinder (8);

the left side of dolly (2) is equipped with roller (17), twines on roller (17) has regulation rope (18), and dolly (2) left side articulates there is third pulley (19), and dolly (2) right side articulates there is fourth pulley (20), and third pulley (19) and fourth pulley (20) are arranged about lifting hook (6) bilateral symmetry, and regulation rope (18) are through third pulley (19), first pulley (11), second pulley (15) and fourth pulley (20) in proper order, regulation rope (18) right-hand member and dolly (2) fixed connection.

2. The high-stability double-beam European crane according to claim 1, wherein a servo motor is fixed on the trolley (2) and is fixedly connected with the roller (17) coaxially through a speed reducer.

3. The high-stability double-beam European crane according to claim 1, wherein the bracket (5) is provided with a through hole matched with the adjusting rope (18), and the adjusting rope (18) passes through the through hole.