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Gas turbine supporting device

A gas turbine and support device technology, which is applied to gas turbine devices, jet propulsion devices, mechanical equipment, etc., can solve the problems of complex overall structure and low adjustment accuracy

Active Publication Date: 2021-03-19
AVIC PST NANFANG GAS TURBINE COMPLETE MFG & INSTALLATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a gas turbine support device to solve the technical problems of the existing gas turbine support device with complex overall structure and low adjustment accuracy during thermal expansion and contraction

Method used

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Embodiment Construction

[0035] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in various ways defined and covered below.

[0036] Such as Figure 1 to Figure 5 As shown, the preferred embodiment of the present invention provides a gas turbine supporting device, comprising:

[0037] At least one pair of main supports 1 are used for absorption compensation during radial thermal expansion of the gas turbine and return positioning during radial contraction of the gas turbine. The main support 1 includes a main support seat 2 and a main support body 3 fixedly connected to the unit of the gas turbine and the main installation part 4 fixedly connected with the gas turbine; one end of the main support body 3 is rotationally connected with the main support base 2 through the first rotating shaft 5, and the other end is rotationally connected with the main mounting part 4 through the second rot...

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Abstract

The invention discloses a gas turbine supporting device. The gas turbine supporting device comprises at least one pair of main supports and at least one pair of auxiliary supports. The main supports are used for absorption compensation during radial thermal expansion of a gas turbine and return positioning during radial cold shrinkage of the gas turbine, and each main support comprises a main supporting seat fixedly connected with a unit of the gas turbine, a main supporting body and a main mounting part fixedly connected with the gas turbine; The auxiliary supports are used for absorption compensation during axial thermal expansion of the gas turbine and return positioning during axial cold shrinkage of the gas turbine, each auxiliary support comprises an auxiliary supporting seat fixedlyconnected with the unit of the gas turbine and an auxiliary mounting part, one end of each auxiliary mounting part is rotationally connected with the corresponding auxiliary supporting seat through an auxiliary rotating shaft, the other ends of the auxiliary mounting parts are rotationally connected with the gas turbine through fixed shafts, the auxiliary rotating shafts are parallel to the central axes of the fixed shafts, and the auxiliary rotating shafts and the fixed shafts are perpendicular to the central axis of the gas turbine. The gas turbine supporting device is high in adjusting precision during thermal expansion and cold shrinkage of the gas turbine.

Description

technical field [0001] The invention relates to the technical field of gas turbines, in particular to a support device for a gas turbine. Background technique [0002] In a traditional complete set powered by a gas turbine, the shaft diameter of the gas turbine is used to carry the weight of the complete gas turbine unit. The shaft diameter of the gas turbine is installed on the common base of the unit. The gas turbine rotates at high speed in a high-temperature application environment, and thermal expansion and centrifugal vibration occur in the axial and radial directions, causing the shaft diameter of the gas turbine to deviate from the original position of the axis. The connection between the shaft diameter of the gas turbine and other parts of the unit deviates, and the shaft diameter of the gas turbine undergoes stress deformation, which affects the normal operation of the overall equipment of the gas turbine. [0003] Chinese patent application CN2861495Y discloses a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02C7/20F01D25/28
CPCF02C7/20F01D25/28
Inventor 沈世东魏冰霞周明刘菁
Owner AVIC PST NANFANG GAS TURBINE COMPLETE MFG & INSTALLATION
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