Cross-shaped lifting beam for vertically lifting offshore wind power tower drum

Abstract

The utility model provides a cross-shaped lifting beam for vertically lifting an offshore wind power tower drum, which comprises a transverse I-shaped beam and a longitudinal I-shaped beam, at least one first transverse lifting lug is respectively arranged at the end parts of two sides above the transverse I-shaped beam, and at least one first longitudinal lifting lug is respectively arranged at the end parts of two sides above the longitudinal I-shaped beam; a plurality of second transverse lifting lugs are symmetrically arranged on the two sides of the lower portion of the transverse I-shaped beam, and a plurality of second longitudinal lifting lugs are symmetrically arranged on the two sides of the lower portion of the longitudinal I-shaped beam; triangular reinforcing toggle plates are arranged at the joints of the transverse I-shaped beams and the longitudinal I-shaped beams; rectangular reinforcing rib plates are arranged in the transverse I-shaped beams and the longitudinal I-shaped beams. According to the utility model, the requirements of various lifting distances of parts such as an offshore wind power tower drum and a cabin are met, the height of the sling is shortened, and the lifting action time of the movable pulley of the crane is reduced; the horizontal stress in the hoisting process of the fan tower drum is reduced while vertical hoisting of components such as the tower drum is guaranteed, deformation of a flange and a drum section at the top of the tower drum is avoided, and the butt joint construction efficiency of the tower drum flanges is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to offshore wind power fan part hoisting process technical field especially relates to a cross beam for offshore wind power tower vertical hoisting. BACKGROUND

[0002] Offshore wind power project construction is a huge systematic project, not only the technical scheme is complex, the process difficulty is many, the acceptance standard is high, simultaneously still is influenced by meteorology, surge etc. factor, along with the coming of the era of flat price offshore wind power, the construction unit faces the huge pressure of reducing cost and improving efficiency, so selects the hoisting process of shortening construction operation time, and it is very important for offshore wind power project construction.

[0003] If the tower drum selects lying operation, the tower drum needs to be turned over before hoisting, if the tower drum selects vertical operation, then direct hoisting can be carried out, in order to improve the hoisting construction efficiency on site, aiming at the different transportation modes of the tower drum, many construction units put forward the general or special hoisting tooling. The existing tower drum hoisting mode is to use the special lifting seat and the bolt connection tower drum top flange, and then the lifting seat lifting point and the crane hook are connected by using the rigging, this hoisting mode has certain requirements for the length of the rigging, and the horizontal stress of the tower drum top flange cannot be eliminated, often leading to the deformation of the tower drum top flange or the cylinder joint, causing the difficulty of tower drum flange butt joint. At the same time, the height of the special lifting seat is small, the height of the lifting cable cannot be shortened, the hoisting action time of the crane movable pulley is long, and the operation efficiency is low. UTILITY MODEL CONTENTS

[0004] In view of the technical problems of flange deformation and butt joint difficulty caused by the existing tower drum hoisting mode, a cross beam for offshore wind power tower vertical hoisting is provided. The technical means adopted by the utility model is as follows:

[0005] A cross beam for offshore wind power tower vertical hoisting, comprising: a transverse I-beam and a longitudinal I-beam, the transverse I-beam and the longitudinal I-beam are connected in the middle to form a cross beam main body;

[0006] At least one first transverse lifting lug is arranged on the upper side of the transverse I-beam, and at least one first longitudinal lifting lug is arranged on the upper side of the longitudinal I-beam;

[0007] A plurality of second transverse lifting lugs are symmetrically arranged on the lower side of the transverse I-beam, and a plurality of second longitudinal lifting lugs are symmetrically arranged on the lower side of the longitudinal I-beam, wherein the two symmetric second transverse lifting lugs and the two symmetric second longitudinal lifting lugs form a group, corresponding to the 4 lifting points of the top of the hoisted object;

[0008] A triangular reinforcing knee plate is arranged at the connection of the transverse I-beam and the longitudinal I-beam;

[0009] The interior of the transverse I-beam and the longitudinal I-beam is provided with a rectangular reinforcing rib plate.

[0010] Further, the first transverse lifting lug is provided with two, the first longitudinal lifting lug is provided with two, and the connecting line of the two first transverse lifting lugs and the two first longitudinal lifting lugs forms a parallelogram.

[0011] Further, the second transverse lifting lug is uniformly arranged with eight, which are distributed on the lower two sides of the transverse I-beam; and the second longitudinal lifting lug is uniformly arranged with eight, which are distributed on the lower two sides of the longitudinal I-beam.

[0012] Further, the triangular reinforcing elbow plate is provided with eight, wherein one triangular reinforcing elbow plate is arranged at the upper part of each of four included angles at the connection between the transverse I-beam and the longitudinal I-beam, and one triangular reinforcing elbow plate is arranged at the lower part of each of the four included angles.

[0013] Further, the rectangular reinforcing rib plate is provided with 16, wherein eight are uniformly arranged on the two sides of the transverse I-beam, and four are arranged on each side; and the other eight are uniformly arranged on the two sides of the longitudinal I-beam, and four are arranged on each side.

[0014] Further, the transverse I-beam and the longitudinal I-beam are arranged vertically.

[0015] Further, the transverse I-beam and the longitudinal I-beam are both composed of steel plates which are assembled and welded.

[0016] Compared with the prior art, the cross-shaped lifting beam has the following advantages:

[0017] 1. The cross-shaped lifting beam for vertical lifting of the offshore wind power tower drum meets the needs of various lifting distances of the offshore wind power tower drum and the cabin and other components, shortens the height of the lifting cable, reduces the lifting action time of the crane movable pulley, and improves the construction efficiency.

[0018] 2. The cross-shaped lifting beam for vertical lifting of the offshore wind power tower drum ensures the vertical lifting of the tower drum and other components, reduces the horizontal stress in the lifting process of the wind turbine tower drum, avoids the deformation of the flange at the top of the tower drum and the drum joint, and improves the butt joint efficiency of the tower drum flange.

[0019] Based on the above reasons, the cross-shaped lifting beam can be widely popularized in the field of lifting and the like. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0021] Figure 1 A perspective view of a cross-shaped hoisting beam for vertical hoisting of a sea wind power tower drum is provided for the utility model.

[0022] Figure 2 A plan view of a cross-shaped hoisting beam for vertical hoisting of a sea wind power tower drum is provided for the utility model.

[0023] Figure 3 A side view of a cross-shaped hoisting beam for vertical hoisting of a sea wind power tower drum is provided for the utility model.

[0024] Figure 4 A front view of a hoisting example of a cross-shaped hoisting beam for vertical hoisting of a sea wind power tower drum is provided for the utility model.

[0025] Figure 5 A three-dimensional view of a hoisting example of a cross-shaped hoisting beam for vertical hoisting of a sea wind power tower drum is provided for the utility model.

[0026] In the figure: 1, transverse I-beam; 2, first transverse lifting lug; 3, second transverse lifting lug; 4, longitudinal I-beam; 5, first longitudinal lifting lug; 6, second longitudinal lifting lug; 7, triangular reinforcing knee plate; 8, rectangular reinforcing rib plate. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] In order to solve the problems of flange deformation and butt joint difficulty caused by the existing tower drum hoisting method, such as Figures 1-5The utility model provides a cross beam for offshore wind power tower vertical hoisting, that is, including transverse I -beam 1 and longitudinal I -beam 4, the intermediate vertical intersection connection of transverse I -beam 1 and longitudinal I -beam 4 constitutes cross beam main part, two I -beams are by steel sheet splicing welding and are formed. Two I -beam junctions are provided with triangular reinforcing elbow plate 7, the inside of two I -beams is provided with rectangular reinforcing rib plate 8, four lifting lugs are evenly arranged on the upper portion of cross beam, 16 lifting lugs are evenly arranged below cross beam, every 4 in the 16 lifting lugs below constitutes a group (the connecting line of every group of four lifting lugs below forms parallelogram), corresponding 4 hoisting points of the top of the hoisted object, and every group of hoisting points is applicable to the hoisting of bottom tower, mid tower, top tower and cabin hub combination in offshore wind power tower. In the embodiment, the upper surfaces of transverse I -beam 1 and longitudinal I -beam 4 can be on the same plane.

[0029] The utility model satisfies the demand of offshore wind power tower and cabin and other components multiple hoisting distance, shortens the height of sling, reduces the hoisting action time of crane movable pulley, guarantees tower and other components vertical hoisting, reduces the horizontal stress of wind turbine tower hoisting process, avoids the deformation of tower top flange and cylinder section, improves tower flange butt joint construction efficiency.

[0030] As a preferred embodiment, the triangular reinforcing elbow plate 7 is 8 pieces, arranged at the junction of the transverse I -beam 1 and the longitudinal I -beam 4, 4 pieces on the upper part, and 4 pieces on the lower part. Among them, one piece of triangular reinforcing elbow plate 7 is arranged on the upper part of each of the four corners (90-degree corners) at the junction of the transverse I -beam 1 and the longitudinal I -beam 4, and one piece of triangular reinforcing elbow plate 7 is arranged on the lower part of each of the four corners (90-degree corners).

[0031] As a preferred embodiment, the size of the triangular reinforcing elbow plate 7 should be adjusted appropriately according to the hoisting beam strength checking result to ensure the stability of the structural strength of the cross beam.

[0032] As a preferred embodiment, the rectangular reinforcing rib plate 8 is 16 pieces, evenly arranged on both sides of the transverse I -beam 1 and the longitudinal I -beam 4, 4 pieces on each side. Specifically, 8 pieces are evenly arranged on both sides of the transverse I -beam 1, 4 pieces on each side; and the other 8 pieces are evenly arranged on both sides of the longitudinal I -beam 4, 4 pieces on each side.

[0033] As a preferred embodiment, the number and spacing of the rectangular reinforcing rib plate 8 should be adjusted appropriately according to the hoisting beam strength checking result to ensure the stability of the structural strength of the cross beam.

[0034] As a preferred embodiment, 2 first transverse lifting lugs 2 are symmetrically arranged on the upper end of the transverse I -beam 1, and 2 first longitudinal lifting lugs 5 are symmetrically arranged on the upper end of the longitudinal I -beam 4. The connecting line of the 2 first transverse lifting lugs 2 and the 2 first longitudinal lifting lugs 5 forms a parallelogram.

[0035] As a preferred embodiment, the distance between the two first transverse lifting lugs 2 and the distance between the two first longitudinal lifting lugs 5 are adjusted according to the length of the sling and the lifting needs, and the adjustment should be checked and calculated before adjustment.

[0036] As a preferred embodiment, eight second transverse lifting lugs 3 are uniformly arranged below the transverse I-beam 1 (eight second transverse lifting lugs 3 are symmetrically arranged, four second transverse lifting lugs 3 on each side), and eight second longitudinal lifting lugs 6 are uniformly arranged below the longitudinal I-beam 4 (eight second longitudinal lifting lugs 6 are symmetrically arranged, four second longitudinal lifting lugs 6 on each side), every four of the second transverse lifting lugs 3 and the second longitudinal lifting lugs 6 form a group (symmetrically two second transverse lifting lugs 3 and symmetrically two second longitudinal lifting lugs 6 form a group), corresponding to four lifting points at the top of the hoisted object, and each group of lifting points is suitable for hoisting the bottom tower, the middle tower, the top tower and the nacelle-hub combination in the offshore wind tower.

[0037] As a preferred embodiment, the distance between the eight second transverse lifting lugs 3 and the distance between the eight second longitudinal lifting lugs 6 are adjusted according to the needs of the lifting points of the hoisted object, and the adjustment should be checked and calculated before adjustment.

[0038] As a preferred embodiment, all the welds of the cross-beam structure are full penetration welded, and 100% ultrasonic and magnetic powder inspection is carried out to ensure the structural strength of the cross-beam.

[0039] As a preferred embodiment, the cross-beam structure should be sandblasted and painted to reduce corrosion and prolong service life.

[0040] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A cross-beam for offshore wind turbine tower vertical lifting, characterized in that, The utility model relates to a kind of cross-beam main body of cross-beam, which comprises: Transverse I-beam (1) and longitudinal I-beam (4), the middle intersection connection of transverse I-beam (1) and longitudinal I-beam (4) constitutes cross-beam main body; At least one first transverse lifting lug (2) is arranged at the upper two side ends of the transverse I-beam (1), and at least one first longitudinal lifting lug (5) is arranged at the upper two side ends of the longitudinal I-beam (4); A plurality of second transverse lifting lugs (3) are symmetrically arranged at the lower two sides of the transverse I-beam (1), and a plurality of second longitudinal lifting lugs (6) are symmetrically arranged at the lower two sides of the longitudinal I-beam (4), wherein the symmetric two second transverse lifting lugs (3) and the symmetric two second longitudinal lifting lugs (6) constitute a group, corresponding to the 4 lifting points of the top of the hoisted object; A triangular reinforcing knee plate (7) is provided at the connection of the transverse I-beam (1) and the longitudinal I-beam (4); A rectangular reinforcing rib plate (8) is provided inside the transverse I-beam (1) and the longitudinal I-beam (4).

2. The cross beam for offshore wind tower vertical lifting according to claim 1, characterized in that, The first transverse lifting lug (2) is provided with 2, the first longitudinal lifting lug (5) is provided with 2, and the connecting line of the two first transverse lifting lugs (2) and the two first longitudinal lifting lugs (5) forms a parallelogram.

3. The cross beam for offshore wind tower vertical lifting according to claim 1, characterized in that, The second transverse lifting lug (3) is uniformly arranged with 8, which is distributed at the lower two sides of the transverse I-beam (1);The second longitudinal lifting lug (6) is uniformly arranged with 8, which is distributed at the lower two sides of the longitudinal I-beam (4).

4. The cross beam for offshore wind tower vertical lifting according to claim 1, characterized in that, The triangular reinforcing knee plate (7) is provided with 8, wherein one triangular reinforcing knee plate (7) is provided at the upper part of each of the four corners at the connection of the transverse I-beam (1) and the longitudinal I-beam (4), and one triangular reinforcing knee plate (7) is provided at the lower part of each of the four corners.

5. The cross beam for offshore wind tower vertical lifting according to claim 1, characterized in that, The rectangular reinforcing rib plate (8) is provided with 16, wherein 8 are uniformly arranged at the two sides of the transverse I-beam (1), 4 are arranged at each side;Another 8 are uniformly arranged at the two sides of the longitudinal I-beam (4), 4 are arranged at each side.

6. The cross beam for offshore wind tower vertical lifting according to claim 1, characterized in that, The transverse I-beam (1) and the longitudinal I-beam (4) are vertically arranged.

7. The cross beam for offshore wind tower vertical lifting according to claim 1, characterized in that, The transverse I-beam (1) and the longitudinal I-beam (4) are both composed of steel plate assembly welding.

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