Gas turbine frame sealing concentricity measuring tool

Abstract

The utility model relates to the technical field of gas turbine assembly equipment, and discloses a gas turbine frame sealing concentricity measuring tool which comprises a rear shaft, a double-end clamp and an adjusting rod, the two ends of the double-end clamp are provided with a first clamp and a second clamp respectively, one end of the adjusting rod is arranged in an installation hole of the first clamp in a sliding mode, and the other end of the adjusting rod is provided with a second clamp. A dial indicator is arranged at the other end of the adjusting rod, the second clamp is arranged on the rear shaft in a sliding mode through a mounting hole, and a measuring instrument assembly and a plunger assembly are arranged in the middle of the rear shaft and connected. According to the utility model, not only can the concentricity measurement requirement of the frame sealing assembly be met, but also the operation is convenient, simple and effective, the assembly efficiency of the gas turbine is effectively improved, the assembly cost is reduced, and the assembly quality of the gas turbine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas turbine assembly equipment, in particular to a gas turbine frame sealing concentricity measuring tool. Background Art

[0002] Tooling is a general term for tools, devices and equipment used in manufacturing to ensure product quality, improve production efficiency and reduce production costs. It is designed and manufactured in the manufacturing process to achieve specific production goals.

[0003] During the assembly of the gas turbine frame, it is necessary to measure the concentricity of each sealing component in the support frame relative to the bearing. The commonly used method is to use three-coordinate measurement, which requires a long cycle and high cost. Therefore, an efficient and economical concentricity measurement tool for each sealing component of the frame is needed. Utility Model Content

[0004] The utility model aims at the deficiencies of the prior art and develops a gas turbine frame seal concentricity measuring tool. The utility model can not only meet the measurement requirements of the concentricity of the frame seal assembly, but also is convenient to operate, simple and effective, effectively improves the assembly efficiency of the gas turbine, reduces the assembly cost, and improves the assembly quality of the gas turbine.

[0005] The technical solution of the utility model to solve the technical problem is: a gas turbine frame seal concentricity measuring tool, including a rear axle, a double-headed clamp and an adjusting rod, the two ends of the double-headed clamp are respectively provided with a first clamp and a second clamp, one end of the adjusting rod is slidably set in the mounting hole of the first clamp, the other end of the adjusting rod is provided with a micrometer, the second clamp is slidably set on the rear axle through the mounting hole, a measuring instrument assembly and a plunger assembly are provided in the middle of the rear axle, and the measuring instrument assembly is connected to the plunger assembly.

[0006] As an optimization, the axis of the first clip mounting hole is perpendicular to the axis of the second clip mounting hole in different planes, so that the adjustment rod can be perpendicular to the rear axle, thereby facilitating the contact between the micrometer and the frame seal.

[0007] As an optimization, the first clamp and the second clamp are both provided with fastening bolts. By providing the fastening bolts, the first clamp and the second clamp can be fastened during measurement, thereby fixing the position of the adjustment rod on the first clamp and fixing the position of the second clamp on the rear axle.

[0008] As an optimization, the measuring instrument assembly is connected to the plunger assembly via a first knurled screw. By providing the first knurled screw, it is convenient for the measuring personnel to manually tighten the measuring instrument assembly so that the measuring instrument assembly and the plunger assembly are closely matched.

[0009] As an optimization, a second knurled screw is provided on the measuring instrument assembly, and the inner end of the second knurled screw abuts against the side of the plunger assembly. By providing the second knurled screw, the measuring instrument assembly can be removed as a top screw.

[0010] As an optimization, the plunger assembly is provided with mounting bolts. By providing the mounting bolts, the plunger assembly can be installed to the reference surface position of the bearing cavity.

[0011] As an optimization, a third knurled screw is also provided on the plunger assembly. By providing the third knurled screw, the plunger assembly can be ejected from the reference surface of the bearing cavity as a top screw.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] By setting the rear axle, the double-headed clamp, the measuring instrument assembly and the plunger assembly can be installed; by setting the adjusting rod, the micrometer can be installed on the double-headed clamp; by setting the first clamp and the second clamp at both ends of the double-headed clamp, the adjusting rod can be installed on the rear axle, and under the action of the first clamp, the adjusting rod and the micrometer can be adjusted to facilitate the measurement of sealing assemblies in different positions and different diameters, and under the action of the second clamp, the adjusting rod can be moved along the rear axle to change its position, so as to facilitate the measurement of seals in different positions; by setting the micrometer, the concentricity of each sealing assembly in the support frame relative to the bearing can be measured; by setting the measuring instrument assembly and the plunger assembly, positioning can be performed and the rear axle can be fixed in the center of the frame, thereby facilitating the measurement of the micrometer and ensuring the accuracy of the measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a diagram of the overall structure of the first embodiment of the utility model.

[0015] Figure 2 It is a structural schematic diagram of a double-head clip in the first embodiment of the utility model.

[0016] In the figure, 1 is the rear axle; 2 is the adjusting rod; 3 is the first clip; 4 is the second clip; 5 is the micrometer; 6 is the measuring instrument assembly; 7 is the plunger assembly; 8 is the fastening bolt; 9 is the first knurled screw; 10 is the second knurled screw; 11 is the mounting bolt; and 12 is the third knurled screw. DETAILED DESCRIPTION

[0017] In order to clearly illustrate the technical features of the present invention, the present invention is described in detail below through specific implementation methods and in conjunction with the accompanying drawings.

[0018] Example 1

[0019] Figure 1 to Figure 2 An embodiment of the present utility model is as follows: Figure 1 to Figure 2As shown, a gas turbine frame seal concentricity measuring tool comprises a rear axle 1, both ends of the rear axle 1 are rotatably provided with limit tubes, a double-headed clamp and an adjusting rod 2, both ends of the double-headed clamp are respectively provided with a first clamp 3 and a second clamp 4, one end of the adjusting rod 2 is slidably set in the mounting hole of the first clamp 3, the other end of the adjusting rod 2 is provided with a micrometer 5, the second clamp 4 is slidably set on the limit tube of the rear axle 1 through the mounting hole, a measuring instrument assembly 6 and a plunger assembly 7 are provided in the middle of the rear axle 1, and the measuring instrument assembly 6 and the plunger assembly 7 are detachably connected.

[0020] By setting the rear axle 1, the double-headed clip, the measuring instrument assembly 6 and the plunger assembly 7 can be installed; by setting the limiting circular tube, the double-headed clip can be driven to rotate after being tightened, and the axial movement of the double-headed clip after being tightened can be avoided, so that different positions of the same sealing assembly can be measured; by setting the adjusting rod 2, the micrometer 5 can be installed on the double-headed clip; by setting the first clip 3 and the second clip 4 at both ends of the double-headed clip, the adjusting rod 2 can be installed on the rear axle 1, and under the action of the first clip 3, the adjusting rod 2 and the micrometer 5 can be adjusted to facilitate the measurement of sealing assemblies at different positions and different diameters, and under the action of the second clip 4, the adjusting rod 2 can be moved along the rear axle 1 to change its position, so as to facilitate the measurement of sealing at different positions; by setting the micrometer 5, the concentricity of each sealing assembly in the support frame relative to the bearing can be measured; by setting the measuring instrument assembly 6 and the plunger assembly 7, positioning can be performed, and the rear axle 1 can be fixed in the center of the frame, so as to facilitate the measurement of the micrometer 5 and ensure the accuracy of the measurement, and the accuracy can reach 0.01mm.

[0021] like Figure 1 to Figure 2 As shown, the axis of the mounting hole of the first clip 3 is perpendicular to the axis of the mounting hole of the second clip 4. The adjusting rod 2 can be made perpendicular to the rear axle 1, so that the micrometer 5 is conveniently in contact with the frame seal.

[0022] like Figure 1 to Figure 2 As shown, the first clip 3 and the second clip 4 are both provided with a fastening bolt 8, and the fastening bolt 8 is a knurled screw. By providing the fastening bolt 8, the first clip 3 and the second clip 4 can be fastened during measurement, thereby fixing the position of the adjustment rod 2 on the first clip 3 and fixing the position of the second clip 4 on the rear axle 1.

[0023] like Figure 1 As shown, the measuring instrument assembly 6 is detachably connected to the plunger assembly 7 through the first knurled screw 9, and the measuring instrument assembly 6 is closely attached to the side of the plunger assembly 7. By providing the first knurled screw 9, it is convenient for the measurement personnel to manually tighten it so that the measuring instrument assembly 6 and the plunger assembly 7 are closely matched.

[0024] like Figure 1As shown, the measuring instrument assembly 6 is provided with a second knurled screw 10, and the inner end of the second knurled screw 10 abuts against the side of the plunger assembly 7. By providing the second knurled screw 10, the measuring instrument assembly 6 can be removed as a top screw.

[0025] like Figure 1 As shown, the plunger assembly 7 is provided with a mounting bolt 11, which is a hexagonal bolt. By providing the mounting bolt 11, the plunger assembly 7 can be installed to the reference surface position of the bearing cavity, and the plunger assembly 7 and the reference surface of the bearing cavity are interference fit.

[0026] like Figure 1 As shown, a plurality of groups of third knurled screws 12 are evenly arranged on the plunger assembly 7. By arranging the third knurled screws 12, the plunger assembly 7 can be ejected from the reference surface of the bearing cavity as a top screw.

[0027] During measurement, the plunger assembly 7 is installed to the reference plane position of the bearing cavity by means of the mounting bolt 11, and then the adjusting rod 2 of suitable length is selected, and the adjusting rod 2 with the micrometer 5 is installed into the first clip 3, and the second clip 4 is installed onto the limiting circular tube of the rear axle 1. After adjusting the position of the second clip 4, the fastening bolt 8 of the second clip 4 is tightened to fix it to prevent the second clip 4 from moving axially, and then the adjusting rod 2 is adjusted and measured by means of the micrometer 5; when measuring sealing assemblies of different positions and different diameter sizes, the measurement personnel need to adjust the first clip 3, so as to adjust the adjusting rod 2 and the micrometer 5 to adapt to sealing assemblies of different diameter sizes, and adjust the second clip 4, so as to move the adjusting rod 2 along the rear axle 1 to measure sealing assemblies of different positions; after the measurement, the mounting bolt 11 is removed, and then the third knurled screw 12 is used as a top screw to push the plunger assembly 7 out of the reference plane of the bearing cavity. The utility model can not only meet the measurement requirements of the concentricity of the frame sealing component, but also is convenient to operate, simple and effective, effectively improves the assembly efficiency of the gas turbine, reduces the assembly cost, and improves the assembly quality of the gas turbine.

[0028] The descriptions of the orientation or relative position relationship of the structure in the present invention, such as the orientation or relative position relationship indicated by "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the structure referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

Claims

1. A gas turbine frame seal concentricity measuring tool, comprising a rear axle (1), characterized in that: The invention also comprises a double-headed clip and an adjusting rod (2), wherein the two ends of the double-headed clip are respectively provided with a first clip (3) and a second clip (4), one end of the adjusting rod (2) is slidably arranged in the mounting hole of the first clip (3), the other end of the adjusting rod (2) is provided with a micrometer (5), the second clip (4) is slidably arranged on the rear axle (1) through the mounting hole, and a measuring instrument assembly (6) and a plunger assembly (7) are provided in the middle of the rear axle (1), and the measuring instrument assembly (6) is connected to the plunger assembly (7).

2. The gas turbine frame seal concentricity measuring tool according to claim 1 is characterized by: The axis of the first clip (3) mounting hole is skewed and perpendicular to the axis of the second clip (4) mounting hole.

3. The gas turbine frame seal concentricity measuring tool according to claim 2 is characterized by: The first clamp (3) and the second clamp (4) are both provided with fastening bolts (8).

4. The gas turbine frame seal concentricity measuring tool according to any one of claims 1 to 3, characterized in that: The measuring instrument assembly (6) is connected to the plunger assembly (7) via a first knurled screw (9).

5. The gas turbine frame seal concentricity measuring tool according to claim 4 is characterized by: A second knurled screw (10) is provided on the measuring instrument assembly (6), and the inner end of the second knurled screw (10) abuts against the side surface of the plunger assembly (7).

6. The gas turbine frame seal concentricity measuring tool according to claim 5 is characterized by: The plunger assembly (7) is provided with a mounting bolt (11).

7. The gas turbine frame seal concentricity measuring tool according to claim 6 is characterized by: A third knurled screw (12) is also provided on the plunger assembly (7).

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