阅读说明：本技术 一种叶轮组合快速定位方法 (Impeller combination rapid positioning method ) 是由 杨薛亮 张光毅 何滢 韩义 姜飞 邓江涛 杨庭富 徐和 杨世文 左占其 于 2019-10-12 设计创作，主要内容包括：本发明涉及一种叶轮组合快速定位方法,包括：S1,用GPS记录风机中心点的坐标；S2,在机位平台确定履带吊的坐标；S3,初步确定轮毂中心点坐标和叶片方位角；S4,模拟验证；S5,现场最终确定轮毂中心点坐标和叶片方位角。本发明通过风电场的平面布置图,找出机位的中心坐标,再根据履带吊性能及机舱、叶轮等设备的重量尺寸等参数,确定叶轮最佳的组合位置及叶片朝向,以减少植被的破坏。(The invention relates to a method for quickly positioning an impeller assembly, which comprises the following steps: s1, recording the coordinates of the central point of the fan by using a GPS; s2, determining the coordinates of the crawler crane on the machine position platform; s3, preliminarily determining the coordinates of the center point of the hub and the azimuth angle of the blade; s4, simulating and verifying; and S5, finally determining the coordinates of the center point of the hub and the azimuth angle of the blade on site. According to the invention, the center coordinate of the machine position is found out through a plane layout diagram of the wind power plant, and the optimal combination position and the blade orientation of the impeller are determined according to the parameters such as the performance of the crawler crane and the weight and the size of equipment such as a cabin and the impeller, so that the damage of vegetation is reduced.)

1. A method for quickly positioning an impeller assembly is characterized by comprising the following steps:

s1, recording the coordinates of the central point of the fan by using a GPS;

s2, determining the coordinates of the crawler crane on the machine position platform;

s3, preliminarily determining the coordinates of the center point of the hub and the azimuth angle of the blade;

s4, simulating and verifying;

and S5, finally determining the coordinates of the center point of the hub and the azimuth angle of the blade on site.

2. The impeller combination rapid positioning method according to claim 1, wherein in S1, the recording the coordinates of the fan center point with the GPS specifically includes:

and erecting a GPS base station, correcting the point, recording the coordinate value of the central point of the fan position, and marking as a first coordinate.

3. The method for fast positioning of impeller combination according to claim 2, wherein in S2, the determining the coordinates of the crawler crane on the machine platform specifically includes:

determining the operation radius of the crawler crane according to the weight and the size of the fan equipment and the performance of the crawler crane, and further determining the station range of the crawler crane;

and determining the position range of the rotation center of the crawler crane according to the station vehicle range of the crawler crane, equipment transportation and impeller combination, marking the point on the machine platform, and marking the coordinate of the point as a second coordinate.

4. The impeller combination quick positioning method according to claim 3, wherein in S3, the preliminary determination of the hub center point coordinates specifically comprises;

the range of the hub centre point when the impellers are combined is determined, labelled as a third coordinate, based at least on the weight, size and crawler performance of the impellers.

5. The method of claim 4, wherein the crawler crane performance comprises a hoisting performance and a hoisting height of the crawler crane.

6. The impeller combination rapid positioning method according to claim 4, wherein the determining of the blade azimuth specifically comprises:

and projecting the first coordinate, the second coordinate and the third coordinate onto a design plan of a wind power plant, drawing a crane and a model of the crane and the model of the wind power plant in equal proportion, calculating coordinate values of blade tips when the impellers are combined, and finding specific points on site according to the coordinate values of the blade tips, namely determining the direction.

7. The impeller combination rapid positioning method according to claim 6, wherein in S4, the simulation verification comprises:

and projecting the recorded coordinates onto a plan view of a wind field, drawing fan equipment and a main crawler crane on a computer in equal proportion by using CAD (computer aided design), verifying the feasibility of the hoisting process, and marking azimuth angles of three blades on the plan view.

8. The method for fast positioning of impeller assembly according to claim 7, wherein the final on-site determination of the hub center point coordinates and the blade azimuth specifically comprises, in S5:

and finding out the coordinate value of the central point of the hub and the orientation angle of the blade on the machine platform by using a GPS recorder, and opening up a combined channel of the impeller on the machine platform according to the coordinate value and the orientation angle of the blade.

9. The impeller combination rapid positioning method according to claim 1, further comprising, after the step S5:

and S6, combining impellers.

Technical Field

The invention relates to the field of mountain fans, in particular to a method for quickly positioning an impeller combination.

Background

The mountainous wind power plant in China has the characteristics of complex terrain conditions, luxuriant vegetation and the like, and can cause great damage to the mountainous ecological environment if not treated properly in the construction process. In the construction process of the wind power project, the impeller combination hoisting needs to occupy the largest area, so that the best impeller combination direction needs to be found for the construction, the damage to the vegetation in the mountainous region is reduced,

disclosure of Invention

The present invention aims to solve the above-mentioned disadvantages of the prior art.

In order to achieve the above object, an embodiment of the present invention provides a method for quickly positioning an impeller assembly, including: s1, recording the coordinates of the central point of the fan by using a GPS; s2, determining the coordinates of the crawler crane on the machine position platform; s3, preliminarily determining the coordinates of the center point of the hub and the azimuth angle of the blade; s4, simulating and verifying; and S5, finally determining the coordinates of the center point of the hub and the azimuth angle of the blade on site.

In a possible implementation manner, in S1, the recording the coordinates of the center point of the wind turbine by using the GPS specifically includes: and erecting a GPS base station, correcting the point, recording the coordinate value of the central point of the fan position, and marking as a first coordinate.

In one possible embodiment, in S2, the determining coordinates of the crawler crane at the machine platform specifically includes: determining the operation radius of the crawler crane according to the weight and the size of the fan equipment and the performance of the crawler crane, and further determining the station range of the crawler crane; and determining the position range of the rotation center of the crawler crane according to the station vehicle range of the crawler crane, equipment transportation and impeller combination, marking the point on the machine platform, and marking the coordinate of the point as a second coordinate.

In one possible embodiment, in S3, the preliminary determining the hub center point coordinates specifically includes; the range of the hub centre point when the impellers are combined is determined, labelled as a third coordinate, based at least on the weight, size and crawler performance of the impellers.

In one possible embodiment, the crawler crane performance includes a hoisting performance and a hoisting height of the crawler crane.

In a possible embodiment, the determining the blade azimuth specifically comprises: and projecting the first coordinate, the second coordinate and the third coordinate onto a design plan of a wind power plant, drawing a crane and a model of the crane and the model of the wind power plant in equal proportion, calculating coordinate values of blade tips when the impellers are combined, and finding specific points on site according to the coordinate values of the blade tips, namely determining the direction.

In one possible implementation, in S4, the simulation verification includes: and projecting the recorded coordinates onto a plan view of a wind field, drawing fan equipment and a main crawler crane on a computer in equal proportion by using CAD (computer aided design), verifying the feasibility of the hoisting process, and marking azimuth angles of three blades on the plan view.

In one possible embodiment, in S5, the field finalizing the hub center point coordinates and the blade azimuth specifically includes: and finding out the coordinate value of the central point of the hub and the orientation angle of the blade on the machine platform by using a GPS recorder, and opening up a combined channel of the impeller on the machine platform according to the coordinate value and the orientation angle of the blade.

In a possible implementation, after step S5, the method further includes: and S6, combining impellers.

According to the invention, the center coordinate of the machine position is found out through a plane layout diagram of the wind power plant, and the optimal combination position and the blade orientation of the impeller are determined according to the parameters such as the performance of the crawler crane and the weight and the size of equipment such as a cabin and the impeller, so that the damage of vegetation is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a diagram of a machine location layout according to an embodiment of the present invention;

description of reference numerals:

1-machine position platform, 2-crawler crane, 21-crawler crane rotation center, 3-fan foundation, 31-fan machine position center and 4-hub center.

Detailed Description