CN202657825U - Device for lifting guyed tower in integrally assembled mode - Google Patents

Abstract

The utility model relates to a tool for lifting a transmission line tower, in particular to a device for lifting a guyed tower in an integrally assembled mode. The device comprises two I-steel beams which are parallelly arranged and buckled with each other, wherein welding plates are welded between the two I-steel beams in a clamping mode; the two ends of each welding plate stretch out of the I-steel beams; and shackles are fixedly arranged at the two ends of each welding plate and connected with steel wire ropes. The two parallel I-steel beams are welded together through a plurality of welding plates which are arranged at intervals, so that the stress points of a balance pulley for lifting can be moved to two sides during lifting, the axial pressure of a cross arm during lifting is reduced, the risk that the cross arm is broken during integral lifting is reduced, balance in the integral lifting process is fully ensured, and lifting safety is ensured.

Description

Hoisting device for guyed tower erected by crane

technical field

The utility model relates to a tool for lifting a power transmission line tower, in particular to a hoisting device for a crane integrally erecting a stay wire tower.

Background technique

The total height of the LV40 tower is 43.5m~49.5m, and the net weight of the whole tower is 25.4t~26.9t. The overall tower assembly scheme has potential safety hazards due to the large force on the tools and equipment; the disassembly assembly is adopted, and the overall stability is difficult to guarantee due to the double tower body.

Contents of the invention

The purpose of the utility model is to solve the above-mentioned existing technical problems, and to provide a hoisting device for the whole hoisting tower of a crane that improves the balance of the whole hoisting in the hoisting process and ensures the safety of hoisting.

In order to achieve the above object, the utility model provides a hoisting device for integral assembly of the cable tower with a crane, which includes two I-shaped steel beams arranged in parallel and interlocked with each other, and welded plates are welded at intervals between the two I-shaped steel beams. Both ends of the welded plate protrude from I-shaped steel beams, and shackles are respectively fixed at both ends of the welded plate, and steel wire ropes are connected to the shackles.

The ends of the welded plate protruding from the two I-beams are respectively provided with openings, and pin shafts are installed in the openings, and the shackles are welded to both ends of the pin shafts.

The utility model welds two parallel I-shaped steel beams together through a plurality of welding plates arranged at intervals, and can move the stress point of the balance block used for lifting to the two sides when lifting, reducing the tension of the cross arm when lifting. Longitudinal pressure reduces the risk of breaking the crossarm during overall lifting, fully guarantees the balance of the entire lifting during the lifting process, and ensures the safety of the lifting.

The test shows that the utility model adopts two parallel I-shaped steel beams, and there is no inclination and large shaking during the hoisting process of the LV40 type pole tower, and there is no case of the LV40 cross-arm being folded, which ensures the safety of the LV40 type tower. Quality, which strengthens the safety during the entire construction process and ensures the smooth progress of the construction.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is A-A direction view among Fig. 1;

In the figure: 1-I-shaped steel beam; 2-welded plate; 3-shackle; 4-pin shaft; 5-wire rope.

Detailed ways

Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail.

As shown in Fig. 1 and Fig. 2, the hoisting device of the overall erected cable tower of the crane includes two I-beams 1 arranged in parallel and interlocked with each other. Welding plates 2 are welded at intervals between the two I-beams 1 . Both ends of the plate 2 protrude from the I-shaped steel beam 1, and the two ends of the welded plate 2 are respectively fixed with shackles 3, and the shackles 3 are connected with steel wire ropes 5.

The ends of the two I-beams 1 protruding from the welding plate 2 are respectively provided with openings, and pin shafts 4 are installed in the openings, and the shackles 3 are welded on the two ends of the pin shaft 4 .

When in use, the crane is arranged in the direction of the tower head, the hook naturally hangs directly above the surface where the hanging point of the iron tower stays, and the point rope system is below the hook. When the main arm of the crane and the arm width are kept unchanged at the beginning, the steel tower is slowly pulled off the ground by lifting the hook connected by the wire rope 5 . Special foot rests are set on the tower legs to isolate the tower feet from the ground, which not only protects the tower materials, but also prevents the ground from being dragged out of the trench by the tower feet to protect the environment. After the tower legs are off the ground, shorten the main arm length of the crane to reduce the arm width, move the iron tower horizontally to the top of the foundation, slowly lower the hook to put the iron tower in place on the foundation, and then install the four iron tower stay wires of the iron tower. That is to say, the tower assembly is completed. By adopting the lifting device of the utility model, the arm width required by the crane is the smallest, and the construction requirements can be met by using a crane with a smaller tonnage, and the rental cost of the crane is controlled.

Obviously, those skilled in the art can make various changes and modifications to the utility model without departing from the spirit and scope of the utility model. If the baffle 1.2 can be another side wall of the box body 1, such modifications and variations fall within the scope of the claims of the utility model and equivalent technologies thereof, and the utility model is also intended to include these modifications and variations.

The content not described in detail in this specification belongs to the prior art known to those skilled in the art.

Claims (2)

1. A hoisting device for a guyed tower with integral assembly of a crane, characterized in that it comprises two I-beams (1) arranged in parallel and interlocked with each other, and the two I-beams (1) are welded at intervals There is a welded plate (2), the two ends of the welded plate (2) protrude from the I-shaped steel beam (1), the two ends of the welded plate (2) are respectively fixed with shackles (3), and the shackles ( 3) A steel wire rope (5) is connected to it. 2. The hoisting device for integrally erected cable towers with cranes according to claim 1, characterized in that: the ends of the two I-beams (1) protruding from the welded plate (2) are respectively provided with openings, and the openings are Pin shafts (4) are installed in the holes, and the shackles (3) are welded to both ends of the pin shafts (4).

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