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

An assembly method of a vortex speed limiter for a high temperature gas-cooled reactor

A technology of a high temperature gas-cooled reactor and an assembly method, which is applied in the directions of electromechanical devices, electrical components, and the manufacture of motor generators, etc., can solve the problems that the installation methods cannot meet the assembly requirements, the components are scrapped, and the permanent magnets attract each other, and achieve stable and stable fixation. The effect of avoiding scrap parts and accurate positioning

Active Publication Date: 2021-11-12
上海第一机床厂有限公司
View PDF12 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since there are 12 eddy current governor permanent magnets (Nd-Fe-B) in the eddy current governor, the interaction force of a pair of permanent magnets (Nd-Fe-B) is about 980 ~ 1000N, during the installation process of the eddy current governor Among them, due to the interaction of 6 pairs of permanent magnets, a maximum force of about 6000N can be generated, so the general installation method cannot meet the assembly requirements
Due to the uncontrollability during the installation process, the permanent magnets will attract each other, so that the components will be scrapped. At present, there is no effective installation method to install the eddy current speed limiter conveniently, efficiently and safely.

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
  • An assembly method of a vortex speed limiter for a high temperature gas-cooled reactor
  • An assembly method of a vortex speed limiter for a high temperature gas-cooled reactor
  • An assembly method of a vortex speed limiter for a high temperature gas-cooled reactor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0038] like Figure 1-10 As shown in the figure, the assembly method of the high temperature gas-cooled reactor eddy current speed limiter, the eddy current speed limiter on it includes a damping plate 1, a connecting flange 7, an end cover, a permanent magnet 15 and a bearing cover 20. The key groove of the damping plate 1 is provided with Flat key 2, the shaft sleeve 3 on the outside of the damping disc 1 is sleeved with the shaft sleeve 4, the outer bearing 6 is sleeved on the shaft sleeve 4, the inner bearing 5 is sleeved on the shaft 3 on the inner side of the damping disc 1, and the connecting flange 7 is sleeved on the damping disc 1 and end caps are arranged at both ends of the connecting flange 7. The end caps include an inner end cap 10 and an outer end cap 11. The inner end of the connecting flange 7 is provided with a positioning hole 8 and a fixing hole 9 corresponding to the inner end cap 10. The outer end of the flange 7 is provided with a positioning hole 8 and...

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

An assembly method for the eddy current governor of a high-temperature gas-cooled reactor. After putting the permanent magnet into the cladding, it is pushed horizontally from the edge of the end cover to the installation area. The keyway on the cladding and the boss in the spacer are installed correspondingly, so that The positioning of the magnet is more accurate, and the fixation is more stable, which solves the problem that the installation position of the permanent magnet is offset and cannot be installed due to mutual attraction. A constant force is applied to the end cover to keep the center of the end cover and the center of the damping disc on the same axis Assembling on the surface, and by setting the end cover adjustment pad with high thickness accuracy, better grasping the distance between the permanent magnet and the damping disc, can avoid the scrapping of the permanent magnet and other parts due to collision.

Description

technical field [0001] The invention relates to a control rod eddy current governor of a high temperature gas-cooled reactor, in particular to a method for assembling the eddy current governor. Background technique [0002] The eddy current governor is an important part of the high temperature gas-cooled reactor. In order to limit the accidental rod drop speed, to meet the needs of the chain mechanism, and to reduce the impact of the free-fall rod on the driving mechanism, it can ensure that the chain does not drop due to accident. Broken, the maximum accident drop speed after the speed limit of the eddy current speed limiter does not exceed 0.5m / s. Since there are 12 permanent magnets (Nd-Fe-B) in the eddy current speed limiter, the interaction force of a pair of permanent magnets (Nd-Fe-B) is about 980-1000N. During the installation process of the eddy current speed limiter Among them, due to the interaction of 6 pairs of permanent magnets, a maximum force of about 6000N ...

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): H02K15/00
CPCH02K15/00
Inventor 王龙强薛松戚丹鸿米大为刘德明林培青唐张慧章海峻
Owner 上海第一机床厂有限公司
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