GE gas turbine compressor blade riveting point tool

By designing a GE gas turbine compressor blade riveting tool, the safety hazard caused by blade axial displacement was resolved, safe and efficient blade fixation was achieved, and the safety and efficiency of gas turbine maintenance were improved.

CN223441558UActive Publication Date: 2025-10-17HUARUI (JIANGSU) GAS TURBINE SERVICE CO LTD
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Patent Information

Application Number
CN202422798301.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-10-17
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

During the maintenance process of GE's heavy-duty gas turbines, fatigue and deformation of the blades lead to axial displacement, which may cause the moving and static blades to collide, affecting efficiency and safety. Existing tools are inconvenient to operate and pose safety hazards.

Method used

A GE gas turbine compressor blade riveting tool is designed, which includes a chassis, a support frame, a moving rod and a fixed sleeve, which are connected by a screw-nut assembly to provide a stable punch riveting fixing function.

Benefits of technology

The safety and efficiency of the blade maintenance process are improved, accidental injuries to personnel and damage to equipment are avoided, and working time and costs are saved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a GE gas turbine compressor blade riveting point tool which comprises a base plate, a supporting frame, a first movable rod, a second movable rod and a fixing sleeve. The chassis is fixed on the special bracket; one end of the support frame is fixedly connected with the chassis; the other end of the support frame is connected with the movable rod I; the other end of the movable rod I is connected with the movable rod II; the other end of the movable rod II is connected with the fixed sleeve; and a punch is connected in the fixed sleeve. The blade riveting point tool has the beneficial effects that the blade returning to the original position can be safely and conveniently punched, riveted and fixed in the maintenance process of a gas turbine, and the safety and the working efficiency are greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a GE gas turbine compressor blade riveting tool belongs to the energy and power heavy gas turbine field. BACKGROUND

[0002] In the maintenance process of GE heavy gas turbine, the normal operation of the blade is crucial because they directly affect the performance and safety of the engine. With the passage of time, the blade will fatigue and deform due to high temperature, high pressure and mechanical stress, etc. factors, resulting in axial displacement, even the collision between the moving blade and the static blade, which not only affects the efficiency of the gas turbine, but also may cause serious safety hazards, even cause failure or equipment damage. Therefore, in order to eliminate the defects of the blade axial displacement, it is of great significance to design a safe and convenient blade riveting tool. SUMMARY

[0003] In view of the above problems existing in the prior art, the utility model provides a GE gas turbine compressor blade riveting tool, so as to solve the above technical problems.

[0004] In order to achieve the above purpose, the utility model adopts the technical scheme of: a GE gas turbine compressor blade riveting tool, comprising a chassis, a support frame, a moving rod one, a moving rod two and a fixed sleeve; the chassis is fixed on the special support; one end of the support frame is fixedly connected with the chassis; the other end of the support frame is connected with the moving rod one; the other end of the moving rod one is connected with the moving rod two; the other end of the moving rod two is connected with the fixed sleeve; the fixed sleeve is connected with the punch.

[0005] Further, the support frame and the chassis are arranged at an inclined angle.

[0006] Further, the support frame comprises two L-shaped support pieces, and a connecting hole is arranged on the L-shaped support piece and used for connecting with the moving rod one.

[0007] Further, the moving rod one is a hollow square piece, and a strip-shaped groove is formed in the left and right side plates of the square piece, and the moving rod one is fixedly connected with the connecting hole on the support frame through a screw and nut assembly.

[0008] Further, the moving rod two is a hollow square piece, and a strip-shaped groove is formed in the side plate on one side of the square piece, and the moving rod two is fixedly connected with one of the strip-shaped grooves of the moving rod one through a screw and nut assembly.

[0009] The utility model has the advantages that: the newly designed blade riveting tool of the device can ensure that the blade returned to the original position is safely and conveniently riveted and fixed during the maintenance process of the gas turbine, and greatly improves the safety and work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 The utility model discloses a structure schematic view.

[0011] In the drawing: 1, bottom disc, 2, support frame, 3, dynamic rod one, 4, dynamic rod two, 5, fixed sleeve. DETAILED DESCRIPTION

[0012] In order to make the purpose, technical scheme and advantage of the utility model more clear and apparent, below, through the drawing and example, the utility model is further detailedly explained.But it is understood that the specific example described here is only used to explain the utility model, and is not used to limit the scope of the utility model.

[0013] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs, and the terminology used in the specification of the utility model here is only for the purpose of describing specific examples, and is not intended to limit the utility model.

[0014] As Figure 1 The utility model discloses a GE gas turbine compressor blade rivet point tool, including bottom disc 1, support frame 2, dynamic rod one 3, dynamic rod two 4 and fixed sleeve 5, the bottom disc 1 is fixed on the special support, support frame 2 one end is fixedly connected with bottom disc 1, support frame 2 other end is connected with dynamic rod one 3, dynamic rod one 3 other end is connected with dynamic rod two 4, dynamic rod two other end is connected with fixed sleeve 5, and the fixed sleeve 5 is connected with the punch in.

[0015] The utility model discloses preferably, support frame 2 and bottom disc 1 inclination angle arrangement.

[0016] The utility model discloses preferably, support frame 2 includes left and right two L type support pieces, and the connecting hole for being used for connecting with dynamic rod one 3 is arranged on L type support piece.

[0017] The utility model discloses preferably, dynamic rod one 3 is hollow square piece in the middle, and the strip slot is opened on the left and right side plates of square piece, and it is fixedly connected with the connecting hole on support frame 2 through screw nut assembly cooperation.

[0018] The utility model discloses preferably, dynamic rod two 4 is hollow square piece in the middle, and the strip slot is opened on the side plate of one side of square piece, and it is fixedly connected with one of the strip slot of dynamic rod one 3 through screw nut assembly cooperation.

[0019] Working principle: bottom disc opens round hole, and the whole tool is fixed on the screw hole of cylinder surface in the process of overhauling in this way, when the rotor is hoisted out in overhaul, the tool is fixed on the special support, and support frame is stretched out at a certain angle, and provides the basis for the operation rotation of two dynamic rods.

[0020] The dynamic rod one 3 is connected with the support frame 2 and the dynamic rod two 4 by two screws and nuts respectively, the middle part is hollowed, the screws are displaced, and the angle is adjusted. The dynamic rod two 4 is connected with the dynamic rod one 3, the middle part is hollowed and has levels, the nuts are placed in the deep levels, the outer layer is through the screws, the hollowed part is displaced and rotated, and the angle is adjusted. The punch is placed in the fixed sleeve 5, the punch point position of the blade root is aligned, and the punch riveting is performed.

[0021] Through the field trial, it is proved that the blade after reset can be greatly facilitated to be punch riveted and fixed, the work efficiency of the field operator is improved, the hands of the operator are not hurt when the punch in the hammering sleeve is hammered, the safety of the operator during work is greatly improved, the safety of the field work has important significance, the deviation of the operator during hammering is avoided, the damage to the compressor blade is avoided, the economic significance is very high, the installation work after the subsequent maintenance is facilitated, the inconvenience of the field work is reduced, and the work time cost and safety cost are greatly saved.

[0022] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement or improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A GE gas turbine compressor blade riveting tool, characterized in that: The invention comprises a chassis (1), a support frame (2), a movable rod 1 (3), a movable rod 2 (4) and a fixed sleeve (5); the chassis (1) is fixed on a special bracket; one end of the support frame (2) is fixedly connected to the chassis (1); the other end of the support frame (2) is connected to the movable rod 1 (3); the other end of the movable rod 1 (3) is connected to the movable rod 2 (4); the other end of the movable rod 2 is connected to the fixed sleeve (5); and a punch is connected inside the fixed sleeve (5).

2. A GE gas engine compressor blade riveting tool according to claim 1, characterized in that: The support frame (2) and the chassis (1) are arranged at an inclined angle.

3. A GE gas engine compressor blade riveting tool according to claim 1, characterized in that: The support frame (2) comprises two left and right L-shaped support members, and connection holes are provided on the L-shaped support members for connection with the movable rod 1 (3).

4. A GE gas engine compressor blade riveting tool according to claim 1, characterized in that: The movable rod (3) is a square piece with a hollow center. Strip grooves are provided on the left and right side panels of the square piece. The movable rod (3) is fixedly connected to the connecting holes on the support frame (2) through screw and nut assemblies.

5. The GE gas engine compressor blade riveting tool according to claim 1, characterized in that: The movable rod 2 (4) is a square piece with a hollow center. A strip groove is provided on a side plate on one side of the square piece. The strip groove is fixedly connected to one of the strip grooves of the movable rod 1 (3) through a screw and nut assembly.