Inclined oil hole machining method for sliding rotor of water turbine

A processing method and a technology of inclined oil holes, which are applied in the field of hydraulic turbine rotor processing, can solve problems such as insufficient oil supply to bearings, and achieve the effects of ensuring oil supply, improving efficiency, and ensuring drilling accuracy

Active Publication Date: 2022-04-29
CHONGQING WATER TURBINE WORKS
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a method for processing the oblique oil hole of the sliding rotor of the water turbine to solve the problem of insufficient oil supply for the bearing

Method used

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  • Inclined oil hole machining method for sliding rotor of water turbine
  • Inclined oil hole machining method for sliding rotor of water turbine
  • Inclined oil hole machining method for sliding rotor of water turbine

Examples

Experimental program
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Effect test

Embodiment 1

[0022] Such as Figure 1-Figure 5 Shown, a kind of oblique oil hole processing method of hydraulic turbine sliding rotor, specifically comprises the following steps:

[0023] 1. When using a 2.5-meter vertical lathe to semi-finish each part of the sliding rotor 1, turn a 3mm step 3 at the position of the oblique oil hole 2 on the outer circumference of the sliding rotor 1 to prevent the subsequent drilling of the oblique oil hole 2. Drill bit 4 longitudinal offset;

[0024] 2. Adjust the working plane of the flat plate 5, level the working plane level of the sliding rotor 1 ≤ 0.02mm / m;

[0025] 3. As shown in the K-direction view, determine the installation positions of the drill positioning template 6 and the square iron 7 on the platform according to the outer circle size of the flange after the semi-finishing of the sliding rotor 1 and confirm that the installation is complete, and press the square with the pressure plate 8 Iron 7, use the drill bit positioning template 6...

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Abstract

The invention relates to the technical field of water turbine rotor machining, and discloses a water turbine sliding rotor inclined oil hole machining method which comprises the following steps that 1, a step is turned on the outer circumference of a sliding rotor; 2, a drill bit positioning sample plate and square iron are installed and scribed; 3, proofing and punching holes in the steps; 4, aligning the center of the initial inclined oil hole; 5, drilling a guide hole; 6, drilling an inclined oil hole; 7, aligning the centers of other inclined oil holes; and 8, repeating the step 5 and the step 6. Alignment of the inclined oil hole of the sliding rotor is more convenient and faster, the manufacturing precision of the inclined oil hole is improved, the waste product yield is reduced, and the oil supply amount of the inclined oil hole is guaranteed.

Description

technical field [0001] The invention relates to the technical field of hydraulic turbine rotor processing, in particular to a method for processing inclined oil holes of a hydraulic turbine sliding rotor. Background technique [0002] The sliding rotor is the main oil pumping part in the bearing of the vertical turbine. The sliding rotor is sleeved on the main shaft. As the main shaft rotates, it continuously provides lubricating oil for the external radial guide pads. The lubricating oil is sprayed from the inside to the outside, so the sliding The rotor is provided with a plurality of oblique oil holes, which ensure the strength of the sliding rotor and the smooth flow of the oil passage. [0003] The traditional processing method of the inclined oil hole of the sliding rotor is the floor boring machine processing, that is, after the outer circle of the guide bearing is finished, the step is milled out at the position of the outer opening of the inclined oil hole with a ke...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P23/02
CPCB23P23/02Y02E10/20
Inventor 徐川沂冯维杨建伟
Owner CHONGQING WATER TURBINE WORKS
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