CN-121993357-A - Assembled wind power tower structure and method

CN121993357ACN 121993357 ACN121993357 ACN 121993357ACN-121993357-A

Abstract

The invention discloses an assembled wind power tower cylinder structure and a method, in particular to the technical field of wind power towers, which comprises a connecting plate arranged between two adjacent corrugated tower plates in the circumferential direction, a connecting component arranged between two adjacent corrugated tower plates in the upper and lower directions, the connecting plate is provided with a positioning mechanism, the positioning mechanism comprises a laser emitter arranged at the topmost end of the connecting plate, the connecting component is provided with a diffuse reflection plate, and the emitting end of the laser emitter faces the corresponding diffuse reflection plate. According to the invention, the corrugated tower plate with the isosceles trapezoid longitudinal section with the wide bottom and the narrow top is arranged, so that the thickness of the corrugated tower plate is gradually thinned from bottom to top, and the thickness of the whole plate of the tower barrel is gradually thinned from bottom to top, so that the problems of stress concentration and high gravity center in the middle upper section of the tower barrel are avoided, the wind resistance of the whole tower barrel is effectively improved, and the gravity center height of the tower barrel is remarkably reduced.

Inventors

SHAN PENGCHENG
LI CHENGXIANG
LI SHIWEI
ZHANG PENG
Qin Peiming
LI FANGHAI
JIA SHU

Assignees

中呈电气设备(山东)有限公司

Dates

Publication Date: 20260508
Application Date: 20251229

Claims (10)

1. An assembled wind power tower structure, characterized by comprising: The assembly mechanism (6) and the tower barrel sections (1), wherein the tower barrel sections (1) are truncated cones, the maximum diameters of the tower barrel sections (1) are gradually decreased from bottom to top, and the tower barrel sections (1) are sequentially connected end to end in descending order of the maximum diameters; Each tower section (1) comprises a plurality of corrugated trays (11), the corrugated trays (11) are arranged in an array to form a regular polygon, and the longitudinal section of each corrugated tray (11) is in an isosceles trapezoid shape with a wide lower part and a narrow upper part; Two adjacent corrugated trays (11) of circumference are provided with connecting plate (2) each other, and two adjacent corrugated trays (11) are provided with coupling assembling (3) each other from top to bottom, be provided with positioning mechanism (4) on connecting plate (2), positioning mechanism (4) are including setting up laser emitter (413) at connecting plate (2) topmost, be provided with diffuse reflection board (422) on coupling assembling (3), the emitting end of laser emitter (413) is towards corresponding diffuse reflection board (422).
2. The assembled wind power tower structure according to claim 1, wherein the positioning mechanism (4) comprises a laser emission component (41), the laser emission component (41) comprises a first sliding frame (411) arranged at the topmost end of the connecting plate (2), a mounting seat (412) is arranged on the first sliding frame (411), the laser emitter (413) is rotationally connected with the mounting seat (412), and a level meter (414) is arranged on the laser emitter (413).
3. The assembled wind power tower structure according to claim 2, wherein the positioning mechanism (4) comprises a laser induction assembly (42), the laser induction assembly (42) comprises a second sliding frame (421) fixed on the connecting assembly (3), and a diffuse reflection plate (422) is arranged on the second sliding frame (421).
4. The assembled wind power tower structure according to claim 3, wherein the connecting assembly (3), the connecting assembly (3) comprises a plurality of groups of fixing plates (31), each group of fixing plates (31) comprises a plurality of fixing plates (31) which are arranged in an array, the fixing plates (31) are used for fixedly connecting two corrugated plates (11) which are adjacent up and down, a transverse plate (32) is arranged on one side, far away from the corrugated plates (11), of the fixing plates (31), and a plurality of reinforcing rib plates (33) are uniformly arranged between the transverse plate (32) and the fixing plates (31).
5. The assembled wind power tower structure according to claim 4, wherein the left side and the right side of the corrugated tower plate (11) are provided with first connecting holes (12) in an array manner, the upper side and the lower side of the corrugated tower plate (11) are uniformly provided with second connecting holes (13), the first connecting holes (12) are matched with the connecting plate (2), the second connecting holes (13) are matched with the fixing plate (31), opposite sides of the two adjacent corrugated tower plates (11) in the circumferential direction are arranged in parallel, and the thicknesses of the butt joint surfaces of the two adjacent corrugated tower plates (11) are the same.
6. The assembled wind power tower structure according to claim 5, wherein a plurality of guide plates (14) are arranged on the inner sides of the upper end and the lower end of the corrugated tower plate (11), two guide grooves (34) are symmetrically arranged on one side, close to the corrugated tower plate (11), of the fixed plate (31), and the guide plates (14) are matched with the corresponding guide grooves (34).
7. The assembled wind power tower structure according to claim 6, wherein the cross section of the connecting plate (2) is T-shaped, and a plurality of threaded holes are formed in the wing plate and the vertical plate of the connecting plate (2) in an array.
8. The assembled wind power tower structure according to claim 7, wherein the assembling mechanism (6) comprises a horizontally placed annular plate (61), a plurality of supporting seats (62) are arranged on the annular plate (61), a plurality of fixing plates (31) are detachably mounted on the corresponding supporting seats (62), and the supporting seats (62) are used for supporting corrugated trays (11).
9. The assembled wind power tower structure according to claim 8, wherein a bolt hanging plate (5) is arranged on the outer side of the corrugated tower plate (11), and the bolt hanging plate (5) is used for hanging bolts.
10. The assembling method of the assembled wind power tower structure is characterized by comprising the following steps of; The method comprises the steps of firstly, pre-fixing a connecting assembly (3) matched with the bottom end of any group of corrugated trays (11) on an assembly mechanism (6) in an annular array arrangement mode, and pre-installing a diffuse reflection plate (422) on the inner side of the connecting assembly (3); step two, pre-fixing a connecting plate (2) on any side of the corrugated tower plate (11), and pre-installing a laser emitter (413) on the topmost end of the connecting plate (2), so that the emitting end of the laser emitter (413) is perpendicular to a corresponding diffuse reflection plate (422); Thirdly, vertically lifting the corrugated tower plate (11) from the top end of the corrugated tower plate (11) through a crane, vertically falling into a corresponding supporting seat (62), and fixedly connecting two circumferentially adjacent corrugated tower plates (11) through bolts when the inclination angle of the corrugated tower plate (11) reaches a preset range through adjusting the inclination angle of the corrugated tower plate (11) through the crane, and enabling laser emitted by a laser emitter (413) to just irradiate on a diffuse reflection plate (422); And fourthly, sequentially hoisting and splicing the plurality of tower barrel sections (1) formed by assembly according to the descending order of the maximum diameter from bottom to top.

Description

Assembled wind power tower structure and method Technical Field The invention relates to the technical field of wind power towers, in particular to an assembled wind power tower barrel structure and method. Background Cylindrical towers are the most mainstream form in current wind power towers, and are usually formed by welding or flange connection of a plurality of sections of steel cylinders. In order to capture stronger and more stable wind energy at a higher place, the wind power tower is higher in height, so that the overall diameter of the wind power tower is larger and larger, particularly, in some super-high towers with the height of more than 180 meters, the diameter of a barrel body of a basic section of the super-high tower is even more than 8 meters, therefore, in order to reduce the transportation difficulty, the segmented tower is gradually developed, and the transportation difficulty is effectively reduced by dividing a single-section barrel body into a plurality of modularized tower pieces again. However, when the existing split type tower barrel is actually used, more defects still exist, such as that the whole tower barrel is in a truncated cone shape, the diameter difference between the bottom end and the top end of the tower barrel is correspondingly larger and larger along with the increasing of the tower barrel, and the tower barrel is generally manufactured by an equal-thickness steel plate, so that a large amount of redundancy of a low-stress area of the material at the upper part of the tower barrel is caused, the gravity center height of the tower barrel is raised, the wind resistance of the tower barrel is reduced, and the raw material cost for manufacturing the tower barrel is obviously increased. Disclosure of Invention The invention provides an assembled wind power tower structure and a method thereof, which aims to solve the problems that the tower sheets of the existing split type tower are generally manufactured by equal-thickness steel plates, so that a large amount of redundancy of a low-stress area at the upper part of the tower is caused, the gravity center height of the tower is raised, the wind resistance of the tower is reduced, and the raw material cost for manufacturing the tower is obviously improved. In order to achieve the purpose, the invention provides the following technical scheme that the assembled wind power tower barrel structure comprises: the tower barrel sections are in a truncated cone shape, the maximum diameters of the tower barrel sections are gradually decreased from bottom to top, and the tower barrel sections are sequentially connected end to end in descending order of the maximum diameters; Each section of tower section comprises a plurality of corrugated tower plates, the plurality of corrugated tower plates are arranged in an array and are regular polygons, and the longitudinal section of each corrugated tower plate is isosceles trapezoid with wide bottom and narrow top; The connecting plate is arranged between two adjacent corrugated trays in the circumferential direction, the connecting assembly is arranged between two adjacent corrugated trays in the upper and lower directions, the positioning mechanism is arranged on the connecting plate and comprises a laser emitter arranged at the topmost end of the connecting plate, the diffuse reflection plate is arranged on the connecting assembly, and the emitting end of the laser emitter faces the corresponding diffuse reflection plate. In a preferred embodiment, the positioning mechanism comprises a laser emitting assembly, the laser emitting assembly comprises a first sliding frame arranged at the topmost end of the connecting plate, a mounting seat is arranged on the first sliding frame, a laser emitter is rotationally connected with the mounting seat, and a level gauge is arranged on the laser emitter. In a preferred embodiment, the positioning mechanism comprises a laser sensing assembly, the laser sensing assembly comprises a second sliding frame fixed on the connecting assembly, and a diffuse reflection plate is arranged on the second sliding frame. In a preferred embodiment, the connecting assembly comprises a plurality of groups of fixing plates, each group of fixing plates comprises a plurality of fixing plate monomers which are arranged in an array, the fixing plates are used for fixedly connecting two upper corrugated plates and lower corrugated plates, one side, away from the corrugated plates, of each fixing plate is provided with a transverse plate, and a plurality of reinforcing rib plates are uniformly arranged between the transverse plates and the fixing plates. In a preferred embodiment, the left side and the right side of the corrugated column plate are provided with first connecting holes in an array mode, the upper side and the lower side of the corrugated column plate are uniformly provided with second connecting holes, the first connecting holes are matched with the connectin