CN219116999U

CN219116999U - Bridge crane with anti-swing function

Info

Publication number: CN219116999U
Application number: CN202321075274.8U
Authority: CN
Inventors: 王金豪; 苏金虎; 夏艺超; 李海龙; 马静涛; 陈鑫源
Original assignee: Henan Institute of Technology
Current assignee: Henan Institute of Technology
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-06-02
Anticipated expiration: 2033-05-08

Abstract

The utility model discloses a bridge crane with an anti-swing function, which comprises a bridge frame, a mounting groove, a cross beam and a trolley, wherein a through hole is formed in the inner side of the trolley, a lifting assembly is arranged at the top end of the trolley, a steel rope is arranged at the output end of the lifting assembly, a lifting lug frame is movably arranged at the bottom end of the steel rope, lifting hooks are arranged at the bottom ends of the lifting lug frame, telescopic assemblies are arranged at two sides of the lower end face of the trolley, and a telescopic rod is movably arranged at the output end of the telescopic assembly. According to the utility model, the first fixed pulleys are rotatably arranged at the outer parts of the first fixed pulleys through the first mounting shafts arranged at the top ends of the two sides of the limiting groove, the second fixed pulleys are rotatably arranged at the outer parts of the second mounting shafts through the second mounting shafts, so that a steel cable passes through the space between the first fixed pulleys and the second mounting shafts, and the damage to the steel cable caused by the surface abrasion due to friction with the inner wall of the limiting groove during the hoisting of the steel cable is avoided, thereby influencing the service life of the steel cable.

Description

Bridge crane with anti-swing function

Technical Field

The utility model relates to the technical field of bridge cranes, in particular to a bridge crane with an anti-swing function.

Background

Bridge cranes are usually hoisting equipment for hoisting materials from workshops, warehouses and yards, and are usually arranged on cement columns or metal supports at both ends, and are called bridge cranes because they are shaped like bridges.

The bridge crane mainly comprises a bridge, a beam, a trolley, a lifting machine component, a flexible steel rope and a lifting hook, when the bridge crane works, one end of the rope is tied outside a lifting object, then the other end of the rope is suspended inside the lifting hook, the lifting component is started to lift the object through the flexible steel rope,

however, after the inventor makes effort, it is found that when the existing bridge crane lifts and moves an object, in order to prevent the flexible lifting rope from swinging during work, a limit frame is usually added at the bottom end of the trolley, and the flexible steel rope passes through a hole in the limit frame, so that swinging during lifting of the flexible steel rope can be effectively avoided, but when the flexible steel rope is lifted, the flexible steel rope needs to be wound and unwound by a winding roller, so that friction is generated between the flexible steel rope and the hole wall in the limit plate, abrasion is caused to the flexible steel rope, and the service life of the flexible steel rope is reduced.

Disclosure of Invention

The utility model aims to provide a bridge crane with an anti-swing function, which solves the problems that in the prior art, a flexible steel rope rubs against the hole wall inside a limiting plate, so that the flexible steel rope is worn, and the service life of the flexible steel rope is shortened.

In order to achieve the above purpose, the present utility model provides the following technical solutions: bridge crane with anti-swing function, including crane span structure, mounting groove, crossbeam and travelling bogie, the both sides of terminal surface are provided with four flexible subassemblies under the travelling bogie, flexible subassembly's output activity is provided with the telescopic link, the bottom of telescopic link is provided with the fixed plate, the inside of fixed plate center department is provided with four sets of spacing grooves, the top symmetry of spacing groove both sides is provided with first installation axle, the outside rotation of first installation axle is provided with first fixed pulley, just the bottom symmetry of spacing groove both sides is provided with the second installation axle, the outside rotation of second installation axle is installed second fixed pulley to first fixed pulley passes through movable mounting in the inboard top of spacing groove, passes through second installation axle movable mounting in the inboard bottom of spacing groove with the second fixed pulley.

As a technical scheme of the utility model, through holes are formed in the inner side of the trolley, and sliding grooves are formed in two sides of the inner part of the bottom end of the trolley so that the trolley can move along the guide rail through the sliding grooves.

As a technical scheme of the utility model, the top end of the lifting trolley is provided with the lifting assembly, and the output end of the lifting assembly is provided with four groups of steel ropes so as to facilitate the lifting assembly to retract and release the steel ropes.

As a technical scheme of the utility model, the outer part of the bottom end of the steel cable is arranged between the first fixed pulley and the second fixed pulley in the limiting groove, the bottom end of the steel cable is movably provided with the lifting lug frame, and the bottom end of the lifting lug frame is provided with the lifting hook so as to prevent the steel cable from rubbing against the inner wall of the limiting groove to cause surface abrasion when lifting articles.

As a technical scheme of the utility model, the inner side of the top end of the bridge is provided with the mounting groove, and the center of the mounting groove is provided with the boss so as to conveniently arrange the boss at the center of the mounting groove.

As a technical scheme of the utility model, the cross beam is arranged in the mounting groove, and the vertical plates are arranged on two sides of the bottom end of the cross beam so that the vertical plates increase the strength of the cross beam.

As a technical scheme of the utility model, the inner side of the cross beam is provided with the movable groove, and the two sides of the top end of the cross beam are provided with the guide rails so that the steel cable can move in the movable groove.

Compared with the prior art, the utility model has the beneficial effects that: through the top installation first installation axle in the spacing groove both sides, the outside rotatory installation first fixed pulley at first installation axle, through the bottom installation second installation axle in the spacing groove both sides, the outside rotatory installation second fixed pulley at second installation axle for the cable wire passes between first fixed pulley and the second installation axle, and the friction takes place with the spacing inslot wall when avoiding the cable wire hoist and mount and leads to surface wear, and leads to the cable wire damage, thereby influences the life-span of cable wire.

Drawings

FIG. 1 is a schematic diagram of the front external structure of the present utility model;

FIG. 2 is a schematic side view of the exterior structure of the present utility model;

FIG. 3 is a schematic side sectional view of the present utility model;

FIG. 4 is a schematic top view of the exterior structure of the fixing plate of the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

In the figure: 1. a bridge; 2. a mounting groove; 3. a boss; 4. a cross beam; 5. a vertical plate; 6. a guide rail; 7. a moving groove; 8. a lifting trolley; 9. a chute; 10. a through hole; 11. a lifting assembly; 12. a telescoping assembly; 13. a wire rope; 14. a lifting lug frame; 15. a lifting hook; 16. a telescopic rod; 17. a fixing plate; 18. a limit groove; 19. a first mounting shaft; 20. a first fixed pulley; 21. a second mounting shaft; 22. and a second fixed pulley.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. 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. 1-5, an embodiment of the present utility model is provided: the bridge crane with the anti-swing function comprises a bridge frame 1, mounting grooves 2, a cross beam 4 and a trolley 8, wherein four groups of telescopic assemblies 12 are arranged on two sides of the lower end face of the trolley 8, a telescopic rod 16 is movably arranged at the output end of the telescopic assembly 12, a fixed plate 17 is arranged at the bottom end of the telescopic rod 16, four groups of limit grooves 18 are arranged in the center of the fixed plate 17, first mounting shafts 19 are symmetrically arranged at the tops of two sides of the limit grooves 18, first fixed pulleys 20 are rotatably arranged outside the first mounting shafts 19, second mounting shafts 21 are symmetrically arranged at the bottoms of two sides of the limit grooves 18, and second fixed pulleys 22 are rotatably arranged outside the second mounting shafts 21;

when in use, the four groups of limit grooves 18 are arranged in the center of the fixed plate 17, so that the first fixed pulley 20 is movably arranged at the top end of the inner side of the limit groove 18 through the first mounting shaft 19, and the second fixed pulley 22 is movably arranged at the bottom end of the inner side of the limit groove 18 through the second mounting shaft 21;

the inner side of the trolley 8 is provided with a through hole 10, and both sides of the inner part of the bottom end of the trolley 8 are provided with sliding grooves 9;

when in use, the sliding chute 9 is arranged in the top end of the trolley 8, so that the trolley 8 moves along the guide rail 6 through the sliding chute 9;

the top end of the lifting trolley 8 is provided with a lifting assembly 11, and the output end of the lifting assembly 11 is provided with four groups of steel cables 13;

when the lifting device is used, the lifting assembly 11 is arranged at the top end of the lifting trolley 8, so that the lifting assembly 11 can retract and release the steel cable 13;

the outer part of the bottom end of the steel cable 13 is arranged between the first fixed pulley 20 and the second fixed pulley 22 in the limiting groove 18, the bottom end of the steel cable 13 is movably provided with a lifting lug frame 14, and the bottom end of the lifting lug frame 14 is provided with a lifting hook 15;

when the steel cable 13 is used, the steel cable 13 passes through the space between the first fixed pulley 20 and the second fixed pulley 22 at the inner side of the limit groove 18, so that when the steel cable 13 is used for hoisting an article, the surface abrasion caused by friction with the inner wall of the limit groove 18 is avoided;

the inner side of the top end of the bridge frame 1 is provided with a mounting groove 2, and the center of the mounting groove 2 is provided with a boss 3;

when in use, the mounting groove 2 is arranged on the inner side of the top end of the bridge frame 1, so that the boss 3 is arranged at the center of the mounting groove 2;

a cross beam 4 is arranged in the mounting groove 2, and vertical plates 5 are arranged on two sides of the bottom end of the cross beam 4;

when in use, the vertical plates 5 are arranged on the two sides of the bottom end of the cross beam 4, so that the vertical plates 5 increase the strength of the cross beam 4;

the inner side of the cross beam 4 is provided with a moving groove 7, and two sides of the top end of the cross beam 4 are provided with guide rails 6;

in use, the wire rope 13 can move inside the moving groove 7 by providing the moving groove 7 inside the cross beam 4.

When the embodiment of the application is used, the following steps are adopted: firstly, telescopic components 12 are arranged on two sides of the lower end face of a trolley 8, a telescopic rod 16 is arranged at the output end of the telescopic component 12, then a fixed plate 17 is fixed at the bottom end of the telescopic rod 16, and then a steel rope 13 is inserted into a limit groove 18 from the center of the fixed plate 17, so that the limit groove 18 is used for fixing the steel rope 13, the steel rope 13 is prevented from swinging left and right when being hoisted by a lifting lug frame 14 and a lifting hook 15, then the steel rope 13 is inserted into the limit groove from a position between a first fixed pulley 20 and a second installation shaft 21, friction between the steel rope 13 and the inner wall of the limit groove 18 is prevented when the steel rope 13 is hoisted, and the steel rope 13 is damaged, so that the bridge crane with the anti-swing function is completed.

The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. Bridge crane with anti-sway function, including crane span structure (1), mounting groove (2), crossbeam (4) and travelling bogie (8), its characterized in that: four groups of telescopic components (12) are arranged on two sides of the lower end face of the trolley (8), a telescopic rod (16) is movably arranged at the output end of the telescopic component (12), a fixed plate (17) is arranged at the bottom end of the telescopic rod (16), four groups of limit grooves (18) are formed in the center of the fixed plate (17), first mounting shafts (19) are symmetrically arranged at the tops of two sides of the limit grooves (18), first fixed pulleys (20) are arranged on the outer sides of the first mounting shafts (19) in a rotating mode, second mounting shafts (21) are arranged on the bottoms of two sides of the limit grooves (18) in a rotating mode, and second fixed pulleys (22) are arranged on the outer sides of the second mounting shafts (21).

2. The bridge crane with anti-sway function of claim 1, wherein: the inside of lifting trolley (8) is provided with through-hole (10), the inside both sides in lifting trolley (8) bottom are provided with spout (9).

3. The bridge crane with anti-sway function of claim 1, wherein: the top of lifting trolley (8) is provided with lifting unit (11), the output of lifting unit (11) is provided with four steel cable (13) of group.

4. A bridge crane with anti-sway function according to claim 3, characterized in that: the outside of cable wire (13) bottom is installed between spacing groove (18) inside first fixed pulley (20) and second fixed pulley (22), just the bottom activity of cable wire (13) is provided with lug frame (14), the bottom of lug frame (14) is provided with lifting hook (15).

5. The bridge crane with anti-sway function of claim 1, wherein: the inner side at the top end of the bridge frame (1) is provided with a mounting groove (2), and a boss (3) is arranged at the center of the mounting groove (2).

6. The bridge crane with anti-sway function of claim 1, wherein: the inside of mounting groove (2) is provided with crossbeam (4), the both sides of crossbeam (4) bottom are provided with perpendicular plate (5).

7. The bridge crane with anti-sway function of claim 1, wherein: the inner side of the cross beam (4) is provided with a movable groove (7), and two sides of the top end of the cross beam (4) are provided with guide rails (6).