CN217716239U - Special measuring tool for inner and outer diameters of annular groove of wheel disc of gas turbine and diameter of welding spigot - Google Patents
Special measuring tool for inner and outer diameters of annular groove of wheel disc of gas turbine and diameter of welding spigot Download PDFInfo
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- CN217716239U CN217716239U CN202221064338.XU CN202221064338U CN217716239U CN 217716239 U CN217716239 U CN 217716239U CN 202221064338 U CN202221064338 U CN 202221064338U CN 217716239 U CN217716239 U CN 217716239U
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- measuring tool
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Abstract
An object of the utility model is to provide a gas turbine wheel disc annular inside and outside diameter, special measuring tool of welding tang diameter, including measuring tool main part, rack, gauge stand, survey the gauge stand, the rack fastens integratively with surveying tool main part, and the gauge stand is installed in surveying tool main part through inside gear and rack meshing, and the one end of surveying the gauge stand is fixed in the end department of surveying the tool body, and the first measuring claw of gauge stand below installation, the gauge stand below sets up the guide rail, installs the second on the guide rail and measures the claw. The utility model discloses in the course of working, the operator need the cutting of cutting feed many times, and final processing to drawing size need use to survey the utensil and measure diameter size before the cutting feed at every turn, guarantees the size precision in manufacturing process through the final feed amount of measured value adjustment, prevents that follow-up assembly from producing the scheduling problem of interfering, and this special survey utensil cost is about 1 ten thousand yuan. The part is accurately checked at the minimum cost, and the economical efficiency and the practicability are considerable.
Description
Technical Field
The utility model relates to a detect instrument, specifically speaking are gas turbine detects instrument.
Background
The gas turbine compressor wheel disc annular groove, the welding seam allowance are assembled with the next-stage wheel disc in a matching mode, and the precision of the assembly directly influences the follow-up rotor assembly and test. The annular groove of the wheel disc and the welding seam allowance are manufactured by turning, and the diameter of the annular groove exceeds 500mm, and the width of the annular groove is less than 10mm, so that a measuring claw of a 0-500 vernier caliper cannot penetrate into the annular groove; the seam allowance is high in precision, an outside micrometer is required to be used for measurement, but the outside micrometer has an interference phenomenon in measurement; both of which typically require measuring with a three-coordinate measuring machine after machining is complete, resulting in difficulty in effectively measuring the diameter dimension to which they fit during the manufacturing process.
Disclosure of Invention
An object of the utility model is to provide a gas turbine rim plate annular inside and outside diameter, special measuring tool of welding tang diameter.
The purpose of the utility model is realized like this:
the utility model relates to a gas turbine rim plate annular inside and outside diameter, special measuring tool of welding tang diameter, characterized by: the measuring tool comprises a measuring tool main body, a rack, a measuring head seat and a measuring table seat, wherein the rack and the measuring tool main body are fastened into a whole, the measuring head seat is arranged on the measuring tool main body through the internal gear and rack in a meshed mode, one end of the measuring table seat is fixed to the end of the measuring tool main body, a first measuring claw is arranged below the measuring head seat, a guide rail is arranged below the measuring table seat, and a second measuring claw is arranged on the guide rail.
The utility model discloses can also include:
1. the second measuring claw is connected with a measuring seat in the measuring seat through a guide rail, the head of the dial gauge is contacted with a measuring anvil of the measuring seat, and the measuring anvil transmits the displacement of the second measuring claw and the measuring seat to the dial gauge.
2. One side of the measuring seat is connected with the swing rod through a spring, and the measuring seat connected with the spring is pulled in the direction of the swing rod, so that the measurement of the inner diameter and the outer diameter is adjusted.
3. The height-adjustable measuring tool further comprises a first adjustable support frame and a second adjustable support frame, wherein the first adjustable support frame and the second adjustable support frame are installed on the measuring tool main body through racks, and internal screws used for adjusting the height are arranged in the first adjustable support frame and the second adjustable support frame.
4. The second measuring jaw is moved on the guide rail over a distance of at most 1mm.
5. The spring inside the gauge stand rotates to an angle of 180 degrees.
6. The height of the first adjustable support frame and the second adjustable support frame is 50mm.
The utility model has the advantages that: the utility model discloses can realize adding the in-process at the rim plate machine, carry out quality control to assembly annular, the tang of gas turbine wheel dish, in the course of working, the operator need the cutting of feeding many times, final processing to the drawing size, before the feed at every turn, need use the measuring tool to measure the diameter size, guarantee the size precision in the manufacturing process through the final feed of measured value adjustment, prevent that follow-up assembly from producing interference scheduling problem, this special measuring tool cost is about 1 ten thousand yuan. The part is accurately checked at the minimum cost, and the economical efficiency and the practicability are considerable.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a perspective view of the present invention;
FIG. 4 is a schematic view of a stop;
FIG. 5 is a schematic view of a ring groove of the wheel disc.
Detailed Description
The invention will be described in more detail below by way of example with reference to the accompanying drawings:
with reference to fig. 1-5, the utility model relates to a special measuring tool for the inner and outer diameters of a gas turbine wheel disc ring groove and the diameter of a welding seam allowance, which is characterized in that: the measuring tool comprises a measuring tool main body 1, a measuring claw 5, a measuring claw 6, an adjustable supporting frame 9, an adjustable supporting frame 10, a dial indicator 8, a rack 7, a measuring head seat 2 and a measuring meter seat 3.
The rack 7 is fastened with the measuring tool main body 1 through a bolt and connected into a whole, the measuring claw 5 is installed below the measuring head seat 2 and connected through the bolt, the rack 7 below the measuring tool main body 1 is meshed with the rack 7 through a gear inside the measuring head seat 2 and installed on the measuring tool main body 1, the measuring head seat 2 can move along the rack 7 and is fixed through a high-head screw on the side, and the measuring claw 5 cannot move on the measuring head seat 2;
installing an adjustable support frame 9 and an adjustable support frame 10, installing the two support frames on the measuring tool main body 1 through a rack 7, fixing the two support frames through a high-head screw, enabling the support frames 9 and 10 to move along the rack 7, adjusting the height by using an internal screw rod, and adjusting the support position and the height according to the actual size of a measuring component;
the measuring instrument base 3 is installed, one side of the measuring instrument base 3 is fixed at the end of the measuring tool main body 1 and is fastened by a screw, and the other side of the measuring instrument base 3 is provided with a dial indicator 8.
Claw 6 is measured in the installation, it installs on the guide rail of survey gauge stand 3 below to measure claw 6, it can remove 1mm at 3 guide rail axial directions of survey gauge stand to measure claw 6, be used for the adjustment to measure, it connects the inside seat of surveying of survey gauge stand 3 through the guide rail to measure claw 6, the contact of the test anvil of 8 gauge heads of amesdial and seat of surveying, will measure claw 6 and survey seat displacement data transfer for amesdial 8 by the test anvil, the fine setting through measuring claw 6 is measured, drive the motion of amesdial 8, read and measure numerical value, survey seat one side and be connected with the pendulum rod by the spring, through the seat of surveying of pendulum rod direction pulling spring coupling, a measurement for adjusting inside and outside diameter.
Before measurement, a calibration piece is used for calibrating the measured diameter size, and the measuring claw 5 is locked to fasten the high-head screw so as to prevent the high-head screw from moving;
after the calibration is completed, the special measuring tool qualified in calibration is placed on the measuring part, and the height of the supporting frame is adjusted according to the height difference between the wheel disc web and the ring groove, so that the measuring claw can smoothly fall into the ring groove.
According to the inner diameter or the outer diameter of actual measurement, a handle seat on the gauge stand 3 is adjusted, a swing rod is connected inside the handle seat, the other side of the handle seat is connected with a swing end hanging column, the swing end hanging column is connected with a spring force measuring column through a spring, the spring force measuring column is installed on the gauge stand, the spring stretching direction is adjusted by rotating the handle seat, and the measuring claw 6 is ensured to be at the limit stroke position before measurement.
The measuring claw 5 is fixedly attached to the wall surface of the measuring diameter, the measuring claw 6 is adjusted to be completely attached to the inner diameter and the outer diameter of the measuring ring groove, and the inner diameter and the outer diameter can be measured by reading the reading of a dial indicator.
Claims (7)
1. The utility model provides a special measuring tool of inside and outside diameter of gas turbine rim plate annular, welding tang diameter, characterized by: the measuring tool comprises a measuring tool main body, a rack, a measuring head seat and a measuring meter seat, wherein the rack and the measuring tool main body are fastened into a whole, the measuring head seat is arranged on the measuring tool main body through the internal gear and rack in a meshed mode, one end of the measuring meter seat is fixed to the end of the measuring tool main body, a first measuring claw is arranged below the measuring head seat, a guide rail is arranged below the measuring meter seat, and a second measuring claw is arranged on the guide rail.
2. The special measuring tool for the inner diameter, the outer diameter and the welding spigot diameter of the annular groove of the gas turbine wheel disc as claimed in claim 1 is characterized in that: the second measuring claw is connected with the measuring seat in the measuring seat through the guide rail, the head of the dial indicator is contacted with the measuring anvil of the measuring seat, and the measuring anvil transmits the displacement of the second measuring claw and the measuring seat to the dial indicator.
3. The special measuring tool for the inner diameter, the outer diameter and the welding spigot diameter of the annular groove of the gas turbine wheel disc as claimed in claim 2 is characterized in that: one side of the measuring seat is connected with the swing rod through a spring, and the measuring seat connected with the spring is pulled in the direction of the swing rod, so that the measurement of the inner diameter and the outer diameter is adjusted.
4. The special measuring tool for the inner diameter and the outer diameter of the annular groove of the gas turbine disk and the diameter of the welding spigot according to claim 1 is characterized in that: the height-adjustable measuring tool further comprises a first adjustable support frame and a second adjustable support frame, wherein the first adjustable support frame and the second adjustable support frame are installed on the measuring tool main body through racks, and internal screws used for adjusting the height are arranged in the first adjustable support frame and the second adjustable support frame.
5. The special measuring tool for the inner diameter, the outer diameter and the welding spigot diameter of the annular groove of the gas turbine wheel disc as claimed in claim 1 is characterized in that: the second measuring jaw is moved on the guide rail over a distance of at most 1mm.
6. The special measuring tool for the inner diameter and the outer diameter of the annular groove of the gas turbine disk and the diameter of the welding spigot according to claim 3, wherein the special measuring tool comprises: the spring inside the gauge stand rotates to an angle of 180 degrees.
7. The special measuring tool for the inner diameter and the outer diameter of the annular groove of the gas turbine disk and the diameter of the welding spigot according to claim 4, is characterized in that: the height of the first adjustable support frame and the second adjustable support frame is 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221064338.XU CN217716239U (en) | 2022-05-06 | 2022-05-06 | Special measuring tool for inner and outer diameters of annular groove of wheel disc of gas turbine and diameter of welding spigot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221064338.XU CN217716239U (en) | 2022-05-06 | 2022-05-06 | Special measuring tool for inner and outer diameters of annular groove of wheel disc of gas turbine and diameter of welding spigot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217716239U true CN217716239U (en) | 2022-11-01 |
Family
ID=83792566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221064338.XU Active CN217716239U (en) | 2022-05-06 | 2022-05-06 | Special measuring tool for inner and outer diameters of annular groove of wheel disc of gas turbine and diameter of welding spigot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217716239U (en) |
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2022
- 2022-05-06 CN CN202221064338.XU patent/CN217716239U/en active Active
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