An installation and measurement device for a water distribution ring of an impulse water turbine

By using a measuring device installed in a large impulse turbine, and utilizing a laser head and slide bar system to achieve precise measurement and calibration of the water jet branch pipe, the problem of inaccurate installation of the water distribution ring pipe was solved, thereby improving the unit's operational stability and equipment lifespan.

CN121382495BActive Publication Date: 2026-07-21CHINA INTERNATIONAL WATER & ELECTRIC CORPORATION +1
2 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA INTERNATIONAL WATER & ELECTRIC CORPORATION
Filing Date
2025-11-14
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing technologies make it difficult to achieve precise installation of water distribution ring pipes in large impulse turbines, leading to problems such as unit vibration and shortened equipment lifespan.

Method used

An installation measuring device is used, including a water turbine axis measuring component and a branch pipe axis measuring component. By emitting light through a laser head, combined with horizontal and vertical sliding rods and an angle detector, the precise measurement and calibration of the angle and verticality of the water spray branch pipe can be achieved.

Benefits of technology

The installation accuracy of the turbine's water distribution ring pipe has been improved, ensuring smooth unit rotation, reducing vibration, and extending equipment life.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN121382495B_ABST
    Figure CN121382495B_ABST
Patent Text Reader

Abstract

The application discloses an installation and measurement device for a water distribution ring pipe of an impulse water turbine, which comprises a water wheel shaft line measurement component used for being installed on a water wheel shaft, the water wheel shaft is arranged at a water wheel shaft line position, the water wheel shaft installation verticality can be detected through the water wheel shaft line measurement component, the accuracy of the previous period foundation installation is ensured, a plurality of water spraying branch pipes for guiding water flow to impact the water wheel disc are arranged in the water distribution ring pipe, and the water distribution ring pipe is arranged around the water wheel shaft. The application is designed according to the existing needs, can provide a measurement basis for the water wheel shaft line installation, makes the water wheel disc rotate more stably, provides the light rays matched with the water flow path through the branch pipe shaft line measurement component, cooperates with the light ray detection disc to detect the light rays, thereby ensuring the accuracy of the water spraying branch pipe angle installation, provides a measurement basis for the water turbine accessory installation, and ensures the accuracy of the installation.
Need to check novelty before this filing date? Find Prior Art