CN220998902U - Basic ring hoisting tool for large wind generating set - Google Patents

Abstract

The utility model discloses a foundation ring hoisting tool of a large wind generating set, which solves the problems of the existing hoisting method that the position of a hoisting point is fixed unstably and the hoisting center of gravity is not easy to control; the crane lifting hook (1) is respectively connected with a left pulley lifting steel wire rope (8) and a right pulley lifting steel wire rope (9), a left side lifting steel wire rope (12) of a foundation ring is wound on a left pulley (10), one end of the left side lifting steel wire rope of the foundation ring is connected to a left rear bolt hole (4) on a flange plate (3), the other end of the left side lifting steel wire rope of the foundation ring is connected to a left front bolt hole (5) on the flange plate, a right side lifting steel wire rope (13) of the foundation ring is wound on a right pulley (11), one end of the right side lifting steel wire rope of the foundation ring is connected to a right rear bolt hole (6) on the flange plate, and the other end of the right side lifting steel wire rope of the foundation ring is connected to a right front bolt hole (7) on the flange plate; the lifting appliance is convenient to operate, and the connection of the lifting points is firm.

Description

Basic ring hoisting tool for large wind generating set

Technical Field

The utility model relates to a hoisting tool for a foundation ring and an anchor bolt cage of a large wind generating set, which is particularly suitable for hoisting the foundation ring and the anchor bolt cage.

Background

In civil construction of a wind driven generator, hoisting of a foundation ring and an anchor bolt cage is a key procedure, and is an important link for quality control of hoisting; because the foundation ring and the anchor bolt cage are large in volume and heavy in weight, if a conventional hoisting construction method is adopted, the steel wire rope in hoisting is easy to damage the upper flange surfaces of the foundation ring and the anchor bolt cage; the structures of the foundation ring and the anchor bolt cage are damaged to different degrees, and even the crane is unhooked due to the factors of improper hoisting operation, unstable position fixation of a hoisting point, unstable gravity center and the like; therefore, how to design a hoisting tool with flexible and reliable structure so as to ensure the safe hoisting is performed becomes a difficult problem to be solved in the field.

Disclosure of Invention

The utility model provides a foundation ring hoisting tool of a large wind generating set, which solves the technical problems of the existing hoisting method that the position of a hoisting point is fixed unstably and the hoisting center of gravity is not easy to control.

The utility model solves the technical problems by the following technical proposal:

The utility model provides a large-scale wind generating set's foundation ring hoist frock, including crane lifting hook and foundation ring, be provided with the ring flange on the top of foundation ring, equidistant radian is provided with the bolt cross-under hole on the ring flange, be connected with left pulley hoist wire rope and right pulley hoist wire rope respectively on the crane lifting hook, the lower extreme hoist of hoist wire rope has left pulley, the lower extreme hoist of hoist wire rope has right pulley at right pulley, foundation ring left side hoist wire rope encircles on left pulley, foundation ring left side hoist wire rope's one end is connected on the left back bolt hole on the ring flange, foundation ring left side hoist wire rope's the other end is connected on the left front bolt hole on the ring flange, foundation ring right side hoist wire rope encircles on right pulley, foundation ring right side hoist wire rope's one end is connected on the right back bolt hole on the ring flange, foundation ring right side hoist wire rope's the other end is connected on the right front bolt hole on the ring flange.

The two ends of the central shaft of the left pulley are connected with an inverted U-shaped pulley supporting cover, the central shaft is arranged on the lower port of the inverted U-shaped pulley supporting cover, the left pulley is movably arranged on the central shaft, the top end surface of the inverted U-shaped pulley supporting cover is fixedly provided with a hanging ring, and the lower end of the left pulley hanging steel wire rope is connected with the hanging ring; the two ends of the steel wire rope are hung on the left side of the foundation ring, the steel wire rope end rope sleeve is movably hung in the steel wire rope end rope sleeve, the sealing plate is fixedly arranged on the lower port of the inverted U-shaped hanging ring, the connecting bolt which extends downwards is fixedly arranged on the sealing plate, and the lower end of the connecting bolt is connected with the nut in a threaded manner after penetrating through the bolt penetrating hole on the flange plate.

According to the utility model, the rotatable U-shaped ring and the bolt form a mechanism for hanging the point perpendicular to the flange, so that the collision and the impact between the hanging steel wire rope and the flange are avoided, the hanger is convenient to operate, the hanging point is firmly connected, the gravity center during the lifting is stabilized through the arrangement of the two pulleys, and the potential safety hazard in the lifting is eliminated.

Drawings

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

Fig. 2 is a schematic view of the construction of the left-hand hoist rope 12 of the foundation ring of the present utility model;

Fig. 3 is a schematic view of the inverted U-shaped sling 18 at the point of suspension of the present utility model.

Description of the embodiments

The utility model is described in detail below with reference to the attached drawing figures:

The foundation ring hoisting tool of the large wind generating set comprises a crane hook 1 and a foundation ring 2, wherein a flange plate 3 is arranged at the top end of the foundation ring 2, bolt through holes are formed in the flange plate 3 at equal intervals in radian, a left pulley hoisting steel wire rope 8 and a right pulley hoisting steel wire rope 9 are respectively connected to the crane hook 1, a left pulley 10 is hoisted at the lower end of the left pulley hoisting steel wire rope 8, a right pulley 11 is hoisted at the lower end of the right pulley hoisting steel wire rope 9, a left hoisting steel wire rope 12 of the foundation ring is wound on the left pulley 10, one end of the left hoisting steel wire rope 12 of the foundation ring is connected to a left rear bolt hole 4 in the flange plate 3, the other end of the left hoisting steel wire rope 12 of the foundation ring is connected to a left front bolt hole 5 in the flange plate 3, a right hoisting steel wire rope 13 of the foundation ring is wound on the right pulley 11, one end of the right hoisting steel wire rope 13 of the foundation ring is connected to a right rear bolt hole 6 in the flange plate 3, and the other end of the right hoisting wire rope 13 of the foundation ring is connected to a front bolt hole 7 in the flange plate 3; the left pulley 10 and the right pulley 11 can dynamically adjust the left hoisting steel wire rope 12 and the right hoisting steel wire rope 13 of the foundation ring according to the gravity center of the foundation ring 2 during hoisting, so that the gravity center of the foundation ring 2 is kept vertical to the crane hook 1, and the hoisting process is reliable and stable.

The two ends of the central shaft 14 of the left pulley 10 are connected with the inverted U-shaped pulley supporting covers 15, the central shaft 14 is arranged on the lower port of the inverted U-shaped pulley supporting cover 15, the left pulley 10 is movably arranged on the central shaft 14, the left hanging steel wire rope 12 of the foundation ring passes through the left pulley 10 and is limited by the baffle plates at the two sides of the inverted U-shaped pulley supporting cover 15, so that the left hanging steel wire rope 12 of the foundation ring is ensured not to drop laterally; a hanging ring 16 is fixedly arranged on the top end surface of the inverted U-shaped pulley supporting cover 15, and the lower end of the left pulley hanging steel wire rope 8 is connected to the hanging ring 16; two ends of the steel wire rope 12 are hung at the left side of the foundation ring, steel wire rope end rope sleeves 17 are arranged, inverted U-shaped hanging rings 18 are movably hung in the steel wire rope end rope sleeves 17, sealing plates 19 are fixedly arranged on lower ports of the inverted U-shaped hanging rings 18, connecting bolts 20 extending downwards are fixedly arranged on the sealing plates 19, and the lower ends of the connecting bolts 20 penetrate through bolt penetrating holes in the flange plate 3 and are then screwed with nuts; the inverted U-shaped hanging ring 18 is sleeved into the rope sleeve 17 at the end part of the steel wire rope, so that the hanging point can rotate at multiple angles, and the force transmission between the hanging point and the steel wire rope is smoother; the connecting bolts 20 penetrate through the bolt penetrating holes on the flange plate 3 and then are connected with nuts below the flange plate 3, so that the inverted U-shaped hanging ring 18 is always kept in a vertical state with the flange plate 3 in the hanging process, and the function of preventing the flange surface on the foundation ring from being damaged is achieved; the two groups of the hoisting tool are one set, and the structures of the four hoisting points are identical, so that the hoisting is more stable.

Claims (2)

1. The utility model provides a large-scale wind generating set's foundation ring hoist and mount frock, including crane lifting hook (1) and foundation ring (2), top at foundation ring (2) is provided with ring flange (3), equidistant radian ground is provided with bolt cross-under hole on ring flange (3), a serial communication port, on crane lifting hook (1), be connected with left pulley hoist wire rope (8) and right pulley hoist wire rope (9) respectively, the lower extreme hoist at left pulley hoist wire rope (8) has left pulley (10), lower extreme hoist right pulley (11) at right pulley hoist wire rope (9), ring flange left side hoist wire rope (12) encircle on left pulley (10), the one end of foundation ring left side hoist wire rope (12) is connected on the left back bolt hole (4) on ring flange (3), the other end of foundation ring left side hoist wire rope (12) is connected on the left front bolt hole (5) on ring flange (3), ring flange right side hoist wire rope (13) encircle on right pulley hoist wire rope (11), the other end of foundation ring right side hoist wire rope (13) is connected on the right side of ring flange (3) on the right bolt hole (3).

2. The foundation ring hoisting tool of the large wind generating set according to claim 1, wherein two ends of a central shaft (14) of a left pulley (10) are connected with inverted U-shaped pulley support covers (15), the central shaft (14) is arranged on a lower port of the inverted U-shaped pulley support covers (15), the left pulley (10) is movably arranged on the central shaft (14), a hoisting ring (16) is fixedly arranged on the top end surface of the inverted U-shaped pulley support covers (15), and the lower end of a left pulley hoisting steel wire rope (8) is connected to the hoisting ring (16); the two ends of the steel wire rope (12) are hung on the left side of the foundation ring, steel wire rope end rope loops (17) are arranged, inverted U-shaped hanging rings (18) are movably hung in the steel wire rope end rope loops (17), sealing plates (19) are fixedly arranged on lower ports of the inverted U-shaped hanging rings (18), connecting bolts (20) extending downwards are fixedly arranged on the sealing plates (19), and the lower ends of the connecting bolts (20) penetrate through bolt penetrating holes in the flange plate (3) and then are connected with nuts in a threaded mode.