CN219408860U - Large-tonnage steel bridge structure lifting sling - Google Patents

Abstract

The utility model discloses a large-tonnage steel bridge structure lifting sling, which comprises a bracket, wherein a movable rod is slidably arranged in the middle of the bracket, a plurality of fixing rings are arranged on the lower end of the movable rod and the surface of the lower end of the bracket, steel wire ropes I are detachably arranged on the fixing rings, four steel wire ropes II are arranged at the upper ends of the bracket, fixing blocks are commonly arranged at the upper ends of the steel wire ropes II, and hanging rings are arranged at the upper ends of the fixing blocks. According to the utility model, the movable rod is moved to drive the first steel wire rope at the lower end of the movable rod to move, so that the gravity center of the steel bridge structure to be hoisted can be adjusted, and the phenomena of loosening of the steel wire rope at one side and tightening of the steel wire rope at one side are avoided.

Description

Large-tonnage steel bridge structure lifting sling

Technical Field

The utility model relates to the technical field of lifting appliances, in particular to a lifting appliance for a large-tonnage steel bridge structure.

Background

The steel bridge is a bridge which uses steel as a main construction material, has the characteristics of high strength and high rigidity, is constructed by splicing a plurality of steel bridge structures, and is usually hoisted by using hoisting equipment, so that a lifting appliance is needed.

At present, when a large-tonnage steel bridge structure is hoisted, steel wire ropes with corresponding diameters are generally adopted to be wound on the steel bridge structure, then hoisting equipment is used for hoisting, when the large-volume steel bridge structure is hoisted, when the gravity center of the steel bridge structure is deviated to one side, the steel wire ropes can be loosened, so that the steel wire ropes on one side are stressed tightly, the steel wire ropes on the other side are loosened, the steel wire ropes on one side which are stressed tightly can be subjected to larger gravity, and the steel wire ropes can be damaged in severe cases.

Disclosure of Invention

The utility model aims to provide a large-tonnage steel bridge structure lifting sling so as to solve 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 large-tonnage steel bridge structure hoist, includes the support, support mid-section slidable mounting has the movable rod, a plurality of solid fixed ring is all installed to movable rod lower extreme and support lower extreme surface, gu all detachably install wire rope one on the fixed ring, four wire ropes two are all installed to the support upper end, the fixed block is installed jointly to wire rope two upper ends, rings are installed to the fixed block upper end.

Preferably, one end of the steel wire rope is arranged on the fixing ring through the fixing piece.

Preferably, hooks are arranged at one end of the steel wire rope.

Preferably, the surface of the upper end of the bracket is rectangular, four connecting blocks are arranged on the surface of the upper end of the bracket, and the lower end of the steel wire rope II is connected with the connecting blocks.

Preferably, the front end and the rear end of the moving rod are provided with sliding blocks, the inside of the support at the front and the rear of the moving rod is provided with moving grooves, and the sliding blocks are positioned in the moving grooves.

Preferably, reinforcing rods are arranged in the brackets at two sides of the movable groove.

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

1. this large-tonnage steel bridge structure lifts by crane hoist through removing the movable rod, and the movable rod drives the wire rope of movable rod lower extreme first and removes, can adjust the steel bridge structure focus of hoisting, avoids appearing one side wire rope and relaxes, and one side phenomenon that tightens produces, avoids producing the damage to wire rope.

2. This large-tonnage steel bridge structure lifts by crane hoist through installing a plurality of solid fixed rings on the support to install wire rope one on solid fixed ring, set up a plurality of hoisting points, can select wire rope one of suitable position according to the length of steel bridge structure, be convenient for hoist and mount the steel bridge material of various length.

Drawings

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

FIG. 2 is a side cross-sectional view of the present utility model;

fig. 3 is an enlarged view of the utility model at a in fig. 2.

In the figure: 1. a bracket; 2. a moving rod; 3. a fixing ring; 4. a first steel wire rope; 5. a second steel wire rope; 6. a fixed block; 7. a hanging ring; 8. a fixing member; 9. a hook; 10. a connecting block; 11. a slide block; 12. a moving groove; 13. and a reinforcing rod.

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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 3, the lifting appliance with a large-tonnage steel bridge structure in this embodiment comprises a bracket 1, the bracket 1 is a lifting bracket, a movable rod 2 is slidably installed in the middle of the bracket 1, the lower ends of the movable rod 2 and the lower end surface of the bracket 1 are both provided with a plurality of fixing rings 3, through moving the movable rod 2, the movable rod 2 drives a first steel wire rope 4 at the lower end of the movable rod 2 to move, the gravity center of the steel bridge structure for lifting can be adjusted according to the change of the connection position of the first steel wire rope 4 and a lower steel bridge structural member, the defect that one side of the steel wire rope is large in tension and the other side of the steel rope is small even the whole lifting appliance is inclined is avoided, the first steel wire rope 4 is detachably installed on the fixing rings 3 and is used for being connected with a steel bridge mechanism, four second steel wire ropes 5 are all installed at the upper ends of the bracket 1, a fixing block 6 is jointly installed at the upper ends of the second steel wire ropes 5, one end of the fixing block 6 is used for fixing one end of the second steel wire rope 5, a lifting ring 7 is installed at the upper end of the fixing block 6, and the lifting ring 7 is connected with a lifting hook of external lifting appliance.

Specifically, one end of the first steel wire rope 4 is installed on the fixed ring 3 through the fixing piece 8, so that the first steel wire rope 4 is fixed, and the first steel wire rope 4 can be taken down from the fixed ring 3 to replace the first steel wire rope 4 after a period of use.

Further, the hook 9 is arranged at the other end of the first steel wire rope 4, the first steel wire rope 4 is wound on the surface of a large-tonnage steel bridge material needing to be hoisted, then the first steel wire rope 4 is hooked by the hook 9, the first steel wire rope 4 can be bound on the large-tonnage steel bridge material without knotting the first steel wire rope 4, meanwhile, the first steel wire rope 4 is conveniently taken down from the large-tonnage steel structure material, and meanwhile, the first steel wire rope 4 is hooked on the fixing ring 3 by the hook 9 when the hoisting is not used.

Further, the surface of the upper end of the support 1 is provided with four connecting blocks 10 in a rectangular array, the lower ends of the steel wire ropes II 5 are connected with the connecting blocks 10, and the hanging rings 7 are connected with the support 1 by using the four steel wire ropes II 5, so that four-point positioning is realized, and the hoisting stability is good.

Further, the sliding blocks 11 are arranged at the front end and the rear end of the moving rod 2, the moving grooves 12 are arranged in the brackets 1 at the front and the rear of the moving rod 2, the sliding blocks 11 are positioned in the moving grooves 12, the sliding blocks 11 in the moving rod 2 slide in the moving grooves 12 through moving the moving rod 2, the position of the first steel wire rope 4 below the moving rod 2 can be adjusted, the hoisting gravity center of the steel bridge structure can be adjusted, and the phenomenon of loosening of the steel wire rope is avoided.

Furthermore, the reinforcing rods 13 are installed inside the brackets 1 at both sides of the moving groove 12, and the reinforcing rods 13 strengthen the overall structural strength of the brackets 1.

The application method of the embodiment is as follows: when the steel bridge hoisting device is used, firstly, the steel wire rope I4 at a proper position is selected according to the length of a steel bridge material to be hoisted, one end of the steel wire rope I4 is wound on the surface of the steel wire bridge structural material, the hook 9 is hooked on the surface of the steel wire rope I4, then the lifting ring 7 is connected with hoisting equipment, when the steel bridge hoisting device is used for hoisting, the sliding block 11 in the moving rod 2 slides in the moving groove 12 by moving the moving rod 2, the position of the steel wire rope I4 below the moving rod 2 can be adjusted, the hoisting gravity center of the steel bridge structure can be adjusted, one side of the steel wire rope is prevented from loosening, one side of the steel wire rope is prevented from being tightened, after the steel bridge structure is hoisted, the hook 9 is taken off the steel wire rope I4 to carry out next hoisting operation, and when the position of the steel wire rope I4 is required to be adjusted during field hoisting, a telescopic hydraulic cylinder can be additionally arranged on the moving rod 2, and the moving rod 2 is pushed to carry out position change.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a large-tonnage steel bridge structure hoist, includes support (1), its characterized in that: the movable steel wire lifting device is characterized in that a movable rod (2) is slidably installed in the middle of the support (1), a plurality of fixing rings (3) are installed at the lower end of the movable rod (2) and on the surface of the lower end of the support (1), steel wire ropes I (4) are detachably installed on the fixing rings (3), four steel wire ropes II (5) are installed at the upper end of the support (1), fixing blocks (6) are jointly installed at the upper ends of the steel wire ropes II (5), and lifting rings (7) are installed at the upper ends of the fixing blocks (6).

2. The large tonnage steel bridge structure lifting sling according to claim 1, characterized in that: one end of the first steel wire rope (4) is arranged on the fixed ring (3) through a fixing piece (8).

3. The large tonnage steel bridge structure lifting sling according to claim 2, characterized in that: one end of the first steel wire rope (4) is provided with a hook (9).

4. The large tonnage steel bridge structure lifting sling according to claim 1, characterized in that: the upper end surface of the bracket (1) is provided with four connecting blocks (10) in a rectangular array, and the lower end of the second steel wire rope (5) is connected with the connecting blocks (10).

5. The large tonnage steel bridge structure lifting sling according to claim 1, characterized in that: the sliding blocks (11) are arranged at the front end and the rear end of the moving rod (2), moving grooves (12) are arranged in the support (1) at the front and the rear of the moving rod (2), and the sliding blocks (11) are located in the moving grooves (12).

6. The large tonnage steel bridge structure lifting sling according to claim 5, characterized in that: reinforcing rods (13) are arranged in the brackets (1) at two sides of the movable groove (12).