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CN-224223781-U - Mounting device for inner shroud of stationary blade of combustion engine

CN224223781UCN 224223781 UCN224223781 UCN 224223781UCN-224223781-U

Abstract

The utility model relates to the technical field of final assembly of combustion engines, and provides a mounting device for an inner shroud of a stationary blade of a combustion engine, which comprises a placing frame, universal wheels and a top plate, wherein supporting components are arranged at the front end and the rear end of the bottom of the placing frame. The stability of the inner shroud ring during up-and-down buckling is guaranteed, and mounting errors caused by placement deviation are avoided. The adjusting screw rods with four directions being independently adjustable can control the height of the rack in the front-back and left-right directions, and the unbalance problem between the inner shroud and the blades can be quickly corrected. The inner shroud and the blades are kept to be consistent in height in each dimension through flexible adjustment, so that the safe and smooth installation process is ensured, and the blades are effectively protected from being damaged.

Inventors

  • JIANG JUNFEI
  • JIANG KAI
  • PENG TINGTING
  • GE CHAO
  • HUANG GUOQING

Assignees

  • 德阳市东汽实业开发有限责任公司

Dates

Publication Date
20260512
Application Date
20250612

Claims (7)

  1. 1. The mounting device for the inner shroud of the stator blade of the combustion engine comprises a placing frame (1), universal wheels (3) and a top plate (4) and is characterized in that supporting components are arranged at the front end and the rear end of the bottom of the placing frame (1), the universal wheels (3) are mounted at four corners of the bottom of the placing frame (1), the top of the placing frame (1) is fixedly provided with the top plate (4), and a limiting component is arranged at the top of the top plate (4).
  2. 2. The mounting device for the inner shroud of the stator blade of the combustion engine, as set forth in claim 1, is characterized in that the supporting component comprises supporting screw sleeves (2) fixed at the front end and the rear end of the bottom of the placing frame (1), an adjusting screw (21) is connected to the inner threads of the supporting screw sleeves (2), and a supporting seat (22) is fixed at the bottom of the adjusting screw (21).
  3. 3. The mounting device for the inner shroud of the stator blade of the combustion engine, as set forth in claim 2, is characterized in that the four groups of the supporting screw sleeves (2) are symmetrically distributed at two ends of a center line of the placement frame (1).
  4. 4. The mounting device for the inner shroud of the stator blade of the combustion engine according to claim 3, wherein the limiting component comprises supporting blocks (5) fixed on the top of the top plate (4), one ends of the two supporting blocks (5) which are arranged oppositely are provided with limiting supporting blocks (51), through grooves (54) are formed in the supporting blocks (5), connecting rods (52) are arranged in the through grooves (54), one ends of the connecting rods (52) are fixedly connected with the limiting supporting blocks (51), springs (53) are arranged between the limiting supporting blocks (51) and the supporting blocks (5), and the springs (53) are wound on the outer portions of the connecting rods (52).
  5. 5. The mounting device for the inner shroud of the stator blade of the combustion engine, as set forth in claim 4, is characterized in that one end of the spring (53) is fixedly connected with the outer wall of the supporting block (5), and the other end of the spring (53) is fixedly connected with the outer wall of the limiting supporting block (51).
  6. 6. The mounting device for the inner shroud of the stator blade of the combustion engine according to claim 5, wherein the guide block (6) is fixed at the bottom of the limiting support block (51), and the guide block (6) is arranged in the guide groove (61).
  7. 7. The mounting device for an inner shroud of a stator blade of a combustion engine according to claim 6, wherein the guide block (6) has a size matching that of the guide groove (61), and the guide block (6) is slidable inside the guide groove (61).

Description

Mounting device for inner shroud of stationary blade of combustion engine Technical Field The utility model relates to the technical field of final assembly of combustion engines, in particular to a mounting device for an inner shroud of a stationary blade of a combustion engine. Background The gas turbine is a power machine, and is a heat engine which directly converts the heat energy emitted by the fuel into power by burning the fuel in the machine, wherein the inner shroud of the stationary blade has the functions of improving the efficiency, reliability and service life of the gas turbine obviously through structural integration, sealing optimization, pneumatic guiding and thermal management, and the design requirement of the gas turbine has the advantages of material temperature resistance and air performance, and is an indispensable functional component in a stator system of the gas turbine. However, the inner shroud has heavy weight, and because of the action, the inner shroud is tightly connected with the stator blades, so that the position relationship between the inner shroud and the blades is complex, the blades are easy to collide in the installation process of the inner shroud, huge manpower and economic loss are caused, and the inner shroud and the blade bushing are stably and accurately installed, so that the installation efficiency and quality are effectively improved, and the installation device of the inner shroud of the stator blade of the combustion engine is needed. However, the existing stator vane inner shroud mounting devices suffer from a number of disadvantages. On one hand, the lack of an effective limiting and adjusting structure is difficult to solve the problems of large self weight of the inner shroud and complex position relation with the blades, so that the dislocation of the inner shroud easily occurs in the installation process, and the blades are knocked, thereby causing equipment damage and economic loss; On the other hand, the installation process often needs many people to cooperate to observe and maintain balance, and the human cost is high and operating efficiency is low, can't satisfy the actual demand of high accuracy, safety installation. Disclosure of utility model The utility model aims to provide a mounting device for an inner shroud of a stator blade of a combustion engine, which is used for working, so as to solve the problems. In order to solve the technical problems, the utility model provides the technical scheme that the mounting device for the inner shroud of the stator blade of the combustion engine comprises a placing frame, universal wheels and a top plate, wherein supporting components are arranged at the front end and the rear end of the bottom of the placing frame, the universal wheels are arranged at four corners of the bottom of the placing frame, the top plate is fixed at the top of the placing frame, and a limiting component is arranged at the top of the top plate. Preferably, the support assembly comprises a support screw sleeve fixed at the front end and the rear end of the bottom of the placing frame, an adjusting screw is connected with the inner thread of the support screw sleeve, and a support seat is fixed at the bottom of the adjusting screw. Preferably, the support screw sleeves are provided with four groups, and the four groups of support screw sleeves are symmetrically distributed at two ends of the middle line of the placement frame. Preferably, the limiting assembly comprises supporting blocks fixed at the top of the top plate, one ends of the two supporting blocks which are oppositely arranged are provided with limiting abutting blocks, a through groove is formed in the supporting blocks, a connecting rod is arranged in the through groove, one end of the connecting rod is fixedly connected with the limiting abutting blocks, a spring is arranged between the limiting abutting blocks and the supporting blocks, and the spring is wound outside the connecting rod. Preferably, one end of the spring is fixedly connected with the outer wall of the supporting block, and the other end of the spring is fixedly connected with the outer wall of the limiting abutting block. Preferably, the bottom of the limiting abutting block is fixedly provided with a guide block, and the guide block is arranged in the guide groove. Preferably, the guide block is sized to match the guide slot, the guide block being capable of sliding within the guide slot. Compared with the prior art, the utility model has the following beneficial effects: 1. According to the mounting device for the inner shroud of the stator blade of the combustion engine, provided by the utility model, through the three groups of limiting pieces capable of being adaptively adjusted on the top plate, the spacing can be automatically adjusted according to the width of the inner shroud and the inner shroud can be tightly supported and fixed by utilizing the matching of the springs and the limit