CN203772197U - Comprehensive measuring tool for wheel disc groove - Google Patents
Comprehensive measuring tool for wheel disc groove Download PDFInfo
- Publication number
- CN203772197U CN203772197U CN201420194836.5U CN201420194836U CN203772197U CN 203772197 U CN203772197 U CN 203772197U CN 201420194836 U CN201420194836 U CN 201420194836U CN 203772197 U CN203772197 U CN 203772197U
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- gauge
- wheel disc
- screw
- standard
- groove
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- 238000001514 detection method Methods 0.000 claims abstract description 22
- 238000005259 measurement Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Abstract
The utility model, which relates to the mechanical processing field, provides a comprehensive measuring tool for a wheel disc groove. With the measuring tool, problems that the existing gas turbine rotor compressor wheel disc groove position can not be determined easily and the processed groove base point position detection and groove inclined angle detection can not be realized by using the existing detection tool can be solved. A standard measuring block gauge is embedded in a wheel disc groove; a front end surface arc, a rear end surface arc, a working plane of the standard measuring block gauge are contacted with the wheel disc groove. The screw holes are formed in the upper end surface of the standard measuring block gauge; and two handles that are protruded oppositely are arranged between the two screw holes. A dial indicator is arranged on a gauge stand; grooves are respectively formed in the front portion and the rear portion of the gauge stand; one end of the gauge stand is connected and fixed with a first measuring ball by a first bolt; a second bolt is used for locking the position of a dial indicator support by the gauge stand; and the other end of the gauge stand is connected and fixed with a second measuring ball by a third bolt. The two handles that are protruded oppositely are arranged in the grooves in the front portion and the rear portion of the measuring gauge and are in slide connection with the two grooves. The provided comprehensive measuring tool is used for detection of a wheel disc groove.
Description
Technical field
The utility model relates to field of machining.
Background technology
Both there is the inclination angle with rotor radial deflection in certain main project wheel disc dovetail groove, be called for short angle A, as shown in Figure 2, there is again the helix angle of rotor axis direction deflection, be called for short angle B, as shown in Figure 3, wheel disc external conicity is called for short angle C, as shown in Figure 4, tongue-and-groove basic point position accuracy demand radial depth tolerance range only ± 0.1mm, tongue-and-groove basic point positional precision directly affects the size of the rear impeller of rotor assembling, affect the through-flow of the torque conduction of blade and overall gas turbine, because the existence of this dihedral angle and the existing measurer detection means of the impact of external conicity cannot realize the measurement of product dovetail groove positional precision.Domesticly can only detect machine (CMM) by large-scale three-dimensional and could realize measurement, the invention of this comprehensive detection frock completely need not be by the expensive measuring machine such as three-dimensional, laser measuring apparatus, and realize the basic point position that not only can detect the inclination angle of tongue-and-groove but also can detect tongue-and-groove, measurement result precision simple to operate is high.
Utility model content
The utility model is in order to solve existing combustion machine rotor compressor disk tongue-and-groove location positioning complexity, and existing testing tool cannot be realized the problem of the rear tongue-and-groove basic point position probing of its processing and tongue-and-groove inclination angle detection.And a kind of comprehensive detection measurer of wheel disc chase mortise is proposed.
A comprehensive detection measurer for wheel disc chase mortise, it comprises standard survey slip gauge and meter,
Described standard is surveyed slip gauge and is embedded in wheel disc chase mortise, front end face circular arc and wheel disc chase mortise front end face cylindrical that standard is surveyed slip gauge fit, rear end face circular arc and wheel disc chase mortise rear end face cylindrical that standard is surveyed slip gauge fit, standard is surveyed the working flank of slip gauge and the working flank of wheel disc chase mortise fits, standard is surveyed slip gauge upper surface and is provided with two screws, between two screws, be provided with two handles of projection relatively
Meter comprises gauge stand, the first screw, the first measurement ball, the second screw, dial gauge, the 3rd screw and the second measurement ball,
Above described gauge stand, be provided with dial gauge, forward and backward of gauge stand is respectively provided with a groove, one end of gauge stand is measured ball by the first screw and first and is connected to a fixed, the second screw is used for locking the position of dial indicator bracket by gauge stand, the other end of gauge stand is measured ball by the 3rd screw and second and is connected to a fixed, standard survey two of slip gauge upper surface relatively the handles of projection be arranged in the forward and backward groove of meter and be slidably connected with these two grooves.
The utility model is surveyed slip gauge by standard and is inserted in tongue-and-groove, the front end face circular arc and the wheel disc chase mortise front end face cylindrical that make standard survey slip gauge fit, rear end face circular arc and wheel disc wheel disc chase mortise rear end face cylindrical that standard is surveyed slip gauge fit, employing standard is surveyed the positioning datum of slip gauge as race position measurement, screw standard by two screws and survey slip gauge and dovetail bottom surface standard is surveyed to the workplace of slip gauge and the laminating of the workplace of dovetail groove, this kind of state standard surveys the reference point of slip gauge and the anchor point of dovetail groove overlaps.Survey the basic point position of the basic point location positioning wheel disc chase mortise of slip gauge by standard, location positioning is simple, relend and help the position relationship meter inspection wheel disc front and rear end of wheel disc cylindrical and tongue-and-groove basic point and the reading of tongue-and-groove radial position, thereby the correctness of determining tongue-and-groove radial position, realizes detection and the tongue-and-groove inclination angle detection of basic point position.It can be used for the detection of wheel disc chase mortise.
Brief description of the drawings
Fig. 1 is the structural representation of wheel disc chase mortise,
Fig. 2 is the A portion enlarged diagram of wheel disc chase mortise,
Fig. 3 is the B portion enlarged diagram of wheel disc chase mortise,
Fig. 4 is the C portion enlarged diagram of wheel disc chase mortise,
Fig. 5 is the vertical view that the standard described in embodiment one is surveyed slip gauge,
Fig. 6 is the structural representation that the standard described in embodiment one is surveyed slip gauge,
Fig. 7 is the structural representation of the meter described in embodiment one.
Embodiment
Embodiment one: illustrate present embodiment with reference to Fig. 6 and Fig. 7, the comprehensive detection measurer of a kind of wheel disc chase mortise described in present embodiment, it comprises that standard surveys slip gauge d and meter,
Described standard is surveyed slip gauge d and is embedded in wheel disc chase mortise, front end face circular arc e and wheel disc chase mortise front end face cylindrical that standard is surveyed slip gauge d fit, rear end face circular arc f and wheel disc chase mortise rear end face cylindrical that standard is surveyed slip gauge d fit, standard is surveyed the working flank p of slip gauge d and the working flank of wheel disc chase mortise fits, standard is surveyed slip gauge d upper surface and is provided with two screws, between two screws, be provided with two handle n of projection relatively
Meter comprises gauge stand 1, the first screw 2, the first measurement ball 3, the second screw 4, dial gauge 5, the 3rd screw 6 and the second measurement ball 7,
Above described gauge stand 1, be provided with dial gauge 5, forward and backward of gauge stand 1 is respectively provided with a groove 8, one end of gauge stand 1 is measured ball 3 by the first screw 2 and first and is connected to a fixed, the second screw 4 is used for locking the position of dial indicator bracket by gauge stand 1, the other end of gauge stand 1 is measured ball 7 by the 3rd screw 6 and second and is connected to a fixed, standard survey two of slip gauge d upper surface relatively the handle n of projection be arranged in the forward and backward groove of meter and be slidably connected with these two grooves 8.
In present embodiment, survey slip gauge portion size according to race Profile Design standard, standard block gauge front end face arc size is identical with wheel disc front end face excircle dimension, rear end face arc size is identical with wheel disc rear end face excircle dimension, molded line load-carrying surface becomes with tongue-and-groove molded line after facade laminating, and slip gauge reference point overlaps with tongue-and-groove reference point.Standard is surveyed slip gauge d upper surface the screw of two M8, as shown in Figure 5, and for screwing the load-carrying surface of jack-up slip gauge after screw and fitting with tongue-and-groove both sides load-carrying surface.
In present embodiment, the first distance of measuring between ball 3 and the second measurement ball 7 is greater than 1/3 of surveyed tongue-and-groove width of rebate, after assembling, the two measurement ball depth of parallelisms are not more than 0.013mm, use the comprehensive detection measurer of wheel disc chase mortise, detect wheel disc front and rear end and survey the deviation of piece radial position with the rear standard of assembling, requirement is less than 0.1mm, and the difference that front/rear end standard is surveyed piece reading requires to be less than 0.5mm, determines the correctness at the inclination angle of tongue-and-groove and rotor radial deflection.
The difference of the comprehensive detection measurer of a kind of wheel disc chase mortise described in embodiment two, present embodiment and embodiment one is, the second screw 4 for diameter be the fluting flush end hex screw of 16 millimeters.
The difference of the comprehensive detection measurer of a kind of wheel disc chase mortise described in embodiment three, present embodiment and embodiment one is, the second screw 4 for diameter be the interior hexangular cylindrical screw of 16 millimeters.
The difference of the comprehensive detection measurer of a kind of wheel disc chase mortise described in embodiment four, present embodiment and embodiment one is, standard is surveyed two screws that have that slip gauge upper surface arranges, and the aperture of each screw is 8 millimeters.
Principle of work: standard is surveyed to slip gauge and be inserted in wheel disc chase mortise, with edge of a knife chi, electric torch, light transmission is carried out the laminating situation of check criteria survey slip gauge front end face and wheel disc front end face; After definite fitting tightly, screw the screw of two M8 in standard survey slip gauge, by the wheel disc cylindrical verification meter of processing, its indicator is made zero.Then with the reading of meter inspection wheel disc front and rear end and tongue-and-groove radial position, require to be less than 0.1mm, thereby determine the correctness of tongue-and-groove orienting station, compensate positive following process.The difference of the front/rear end number of degrees requires to be less than 0.5mm, thereby determines the correctness of the inclination angle A of tongue-and-groove and rotor radial deflection.
Claims (4)
1. a comprehensive detection measurer for wheel disc chase mortise, is characterized in that, it comprises standard survey slip gauge (d) and meter,
Described standard is surveyed slip gauge (d) and is embedded in wheel disc chase mortise, the front end face circular arc (e) that standard is surveyed slip gauge (d) fits with wheel disc chase mortise front end face cylindrical, the rear end face circular arc (f) that standard is surveyed slip gauge (d) fits with wheel disc chase mortise rear end face cylindrical, standard surveys the working flank (p) of slip gauge (d) and the working flank of wheel disc chase mortise fits, standard is surveyed slip gauge (d) upper surface and is provided with two screws, between two screws, be provided with two handles (n) of projection relatively
Meter comprises gauge stand (1), the first screw (2), the first measurement ball (3), the second screw (4), dial gauge (5), the 3rd screw (6) and the second measurement ball (7),
Above described gauge stand (1), be provided with dial gauge (5), before gauge stand (1), respectively be provided with a groove (8) below, one end of gauge stand (1) is measured ball (3) by the first screw (2) and first and is connected to a fixed, the second screw (4) is used for locking the position of dial indicator bracket by gauge stand (1), the other end of gauge stand (1) is measured ball (7) by the 3rd screw (6) and second and is connected to a fixed, standard survey two of slip gauge (d) upper surface relatively the handles (n) of projection be arranged on meter before, after groove in and be slidably connected with these two grooves (8).
2. the comprehensive detection measurer of a kind of wheel disc chase mortise according to claim 1, is characterized in that, the second screw (4) for diameter be the fluting flush end hex screw of 16 millimeters.
3. the comprehensive detection measurer of a kind of wheel disc chase mortise according to claim 1, is characterized in that, the second screw (4) for diameter be the interior hexangular cylindrical screw of 16 millimeters.
4. the comprehensive detection measurer of a kind of wheel disc chase mortise according to claim 1, is characterized in that, standard is surveyed two screws that have of slip gauge (d) upper surface setting, and the aperture of each screw is 8 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420194836.5U CN203772197U (en) | 2014-04-21 | 2014-04-21 | Comprehensive measuring tool for wheel disc groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420194836.5U CN203772197U (en) | 2014-04-21 | 2014-04-21 | Comprehensive measuring tool for wheel disc groove |
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| Publication Number | Publication Date |
|---|---|
| CN203772197U true CN203772197U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420194836.5U Expired - Lifetime CN203772197U (en) | 2014-04-21 | 2014-04-21 | Comprehensive measuring tool for wheel disc groove |
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| CN (1) | CN203772197U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066848A (en) * | 2015-07-15 | 2015-11-18 | 西安航空动力股份有限公司 | Device and method for measuring pressure surface angle of dovetail-type blade tenon |
| CN108020140A (en) * | 2017-11-27 | 2018-05-11 | 中国航发成都发动机有限公司 | The interior tongue-and-groove comprehensive detection measuring device of large diameter thin wall rectifier ring |
| CN109556494A (en) * | 2018-11-27 | 2019-04-02 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of device and its application method that measurement tongue-and-groove is uniformly distributed |
| CN109579672A (en) * | 2018-11-27 | 2019-04-05 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of turbine disc mortise deviation detecting device and method |
| CN110823074A (en) * | 2019-11-05 | 2020-02-21 | 中国航发沈阳黎明航空发动机有限责任公司 | Turbine disc tongue-and-groove symmetry detection device |
| CN112658735A (en) * | 2020-12-31 | 2021-04-16 | 北京航空航天大学 | Clamp for linear cutting and forming grinding of turbine disc inclined tenon groove and mounting method |
-
2014
- 2014-04-21 CN CN201420194836.5U patent/CN203772197U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066848A (en) * | 2015-07-15 | 2015-11-18 | 西安航空动力股份有限公司 | Device and method for measuring pressure surface angle of dovetail-type blade tenon |
| CN105066848B (en) * | 2015-07-15 | 2017-12-01 | 西安航空动力股份有限公司 | Dove-tail form blade tenon pressure face angle measurement unit and method |
| CN108020140A (en) * | 2017-11-27 | 2018-05-11 | 中国航发成都发动机有限公司 | The interior tongue-and-groove comprehensive detection measuring device of large diameter thin wall rectifier ring |
| CN108020140B (en) * | 2017-11-27 | 2019-12-06 | 中国航发成都发动机有限公司 | measuring device for comprehensive detection of inner tenon and mortise of large-diameter thin-wall rectifier ring |
| CN109556494A (en) * | 2018-11-27 | 2019-04-02 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of device and its application method that measurement tongue-and-groove is uniformly distributed |
| CN109579672A (en) * | 2018-11-27 | 2019-04-05 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of turbine disc mortise deviation detecting device and method |
| CN110823074A (en) * | 2019-11-05 | 2020-02-21 | 中国航发沈阳黎明航空发动机有限责任公司 | Turbine disc tongue-and-groove symmetry detection device |
| CN112658735A (en) * | 2020-12-31 | 2021-04-16 | 北京航空航天大学 | Clamp for linear cutting and forming grinding of turbine disc inclined tenon groove and mounting method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |