Eureka AIR delivers breakthrough ideas for toughest innovation challenges, trusted by R&D personnel around the world.

Male mold of blade mold and its modification method, adjustment method of blade pre-bending

A technology of male molds and blades, which is applied to household appliances, other household appliances, household components, etc., can solve problems such as insufficient headroom, and achieve the effects of reducing losses, realizing steps, and ensuring connection reliability.

Active Publication Date: 2019-07-16
BEIJING GOLDWIND SCI & CREATION WINDPOWER EQUIP CO LTD
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a male mold of the blade mold and its modification method, and a method of adjusting blade pre-bending. Before developing the female mold, the blade root part of the male mold is modified to change the pre-bending amount of the blade, thereby solving the lack of headroom problems, greatly reducing the loss caused by the development of the blade mold in the early stage, and at the same time saving the increased cost of the re-production of the blade die

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Male mold of blade mold and its modification method, adjustment method of blade pre-bending
  • Male mold of blade mold and its modification method, adjustment method of blade pre-bending
  • Male mold of blade mold and its modification method, adjustment method of blade pre-bending

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0033] The purpose of the present invention is to provide a male mold of the blade mold and its modification method, and a method of adjusting blade pre-bending. Before developing the female mold, the blade root part of the male mold is modified to change the pre-bending amount of the blade, thereby solving the lack of headroom The problem can greatly reduce the loss caused by the development of the blade mold in the early stage, and at the same time save the increased cost of the re-production of the blade die.

[0034] The present invention will be described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can accurately understand the technical solution of the present invention.

[0035] The orientation in this article is based on the wind turbine unit, and the extension direction of the tower tube of the wind turbine unit is vertical. In the vertical direction, the direction pointing to the ground or sea level is down, and the ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a male die and a modifying method thereof of a blade die as well as a blade prebending adjusting method. Before a female die is developed, the pre-bending degree of a blade is changed by changing the blade root part of the male die. The male die modifying method comprises the following steps: chordwise dividing a to-be-modified male die, forming a blade root part and a main body part; rotating the blade root part towards or away from a tower tube for a preset angle; and splicing the main body part and the rotated blade root part, forming the modified male die. The blade prebending adjusting method comprises the following step: modifying the male die according to the male die modifying method; or when the blade is machined and manufactured, reserving a pre-cone angle at the blade root part so that after the blade is mouthed, the blade root part can be rotated towards or away from the tower tube for the pre-cone angle. The male die comprises the blade root part and the main body part which are formed by chordwise dividing, the blade root part can be rotated towards or away from the tower tube for the preset angle, and the complete male die is formed after the rotated blade root part is spliced with the main body part.

Description

technical field [0001] The invention relates to the technical field of wind turbines, in particular to blade molds and male molds thereof. Background technique [0002] The production of wind power blades is inseparable from the blade mold. In the initial stage of blade design, in order to speed up the matching progress with the whole machine, once the load matching is passed, the blade factory begins to invest a lot of money in the development of male and female molds for the blade. Once the mold is manufactured, the shape of the blade has been basically determined. Even if there are problems in the design of the blade, it cannot be modified to meet the matching requirements like machining, such as changing the shape of the design. Therefore, once the matching has passed the mold opening, the possibility of changing the shape is very small, but there is a certain risk in this method, that is, during the iterative calculation process of the finalization of the whole machine,...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B29C70/36B29C70/54B29L31/08
CPCB29C70/36B29C70/54B29L2031/085
Inventor 王兴波汪仲夏郝刘峰
Owner BEIJING GOLDWIND SCI & CREATION WINDPOWER EQUIP CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com