CN203132477U - Thickness measuring tool for axial adjustment backing ring of high pressure turbine rotor of motor - Google Patents
Thickness measuring tool for axial adjustment backing ring of high pressure turbine rotor of motor Download PDFInfo
- Publication number
- CN203132477U CN203132477U CN 201320063208 CN201320063208U CN203132477U CN 203132477 U CN203132477 U CN 203132477U CN 201320063208 CN201320063208 CN 201320063208 CN 201320063208 U CN201320063208 U CN 201320063208U CN 203132477 U CN203132477 U CN 203132477U
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- CN
- China
- Prior art keywords
- pull bar
- spring
- pressure turbine
- high pressure
- turbine rotor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a thickness measuring tool for an axial adjustment backing ring of a high pressure turbine rotor of a motor. The thickness measuring tool comprises a pull bar unit horizontally arranged in a cavity of a low pressure rotor shaft. The pull bar unit is mainly composed by a pull bar, an isolation sleeve barrel, a spring pressure cylinder and a fixing sleeve used for positioning the isolation sleeve barrel in the cavity of the low pressure rotor shaft, wherein an isolation sleeve barrel fitting sleeve is arranged at a front section of the pull bar and is positioned at one end of the isolation sleeve barrel by the fixing sleeve, the spring pressure cylinder is a cylindrical shell with a built-in spring, the spring pressure cylinder is sleeved over the front end of the pull bar and presses against the other end of the isolation sleeve barrel, and a pulling force is applied on the spring pressure cylinder until a spring reaches to a marked position so as to eliminate bearing clearance. According to the utility model, reliability of measured data is guaranteed in virtue of precision of the thickness measuring tool, the problem of inaccurate thickness matching of the adjustment backing ring is substantially eliminated, and assembling precision of a high pressure turbine unit is improved; and the thickness measuring tool has a simple structure, is convenient to operate and can guarantee a normal production schedule.
Description
Technical field
The utility model relates to the axial adjustment gasket ring thickness measure frock of a kind of civil aviaton engine high pressure turbine rotor.
Background technology
When civil aviaton assembles with engine high pressure turbine unit body, regulation according to Engine Manual, High Pressure Turbine Rotor should guarantee between the specialized range value that with the spacing that cooperates of stator this spacing adopts the method adjustment that the metal gasket ring is installed between No. four bearing sealing seats of engine and high-pressure turbine front axle.The metal gasket ring divides 9,10, and 11,12,13,14 five ranks reach suitable axial cooperation spacing by the gasket ring of selecting different-thickness, realize improving the purpose of engine operation efficient.
Yet, Engine Manual lacks adjusting the accurate Calculation of spacer thickness, there emerged a general thickness range of choice value but give, be difficult to satisfy the high-pressure turbine unit body like this measurement requirement that the back cooperates spacing is installed, thereby it is defective to be easy to occur this cell cube installation back measured value, if defective then the needs adjusted the gasket ring adjustment by gravity treatment, cause the high-pressure turbine unit body to install defective and need unload refitting, often manufacturing schedule is impacted.Therefore, correct measurement, selection are adjusted gasket ring and are played crucial effects in the cell cube assembling process.
The utility model content
The purpose of this utility model is to provide a kind of simple in structure, handled easily, can improve the assembly precision of high-pressure turbine unit body, can ensure that the axial adjustment of engine high pressure turbine rotor of ordinary production progress is with gasket ring thickness measure frock.
The purpose of this utility model realizes by following technical measures: a kind of axial adjustment of engine high pressure turbine rotor gasket ring thickness measure frock, it is characterized in that: it comprises the pull rod device that is installed in low pressure rotor axle inner chamber for level, described pull rod device is mainly by pull bar, distance sleeve, the spring pressure tube reaches the fixed cover composition that is used for distance sleeve is positioned at low pressure rotor axle inner chamber, described distance sleeve is adaptive to be sleeved on the leading portion of described pull bar and to be positioned at an end of distance sleeve by described fixed cover, described spring pressure tube is the cylindrical shell that is built-in with spring, described spring pressure jacket casing is in the leading section of described pull bar and contact the other end at distance sleeve, apply pulling force in the spring pressure tube to the spring home position to get rid of the bearing clearance.
The utility model is being confirmed to be in place with parts such as adjusting the contacted bearing sealing seat of gasket ring, under the normal situation of measured end face, is being got rid of the bearing clearance to realize axially adjusting the accurate measurement with gasket ring thickness by pull rod device.Therefore the reliability of measurement data relies on the utility model precision to be guaranteed, got rid of substantially the adjusting pad ring thickness mate inaccurate problem, improved the assembly precision of high-pressure turbine unit body; Of the present utility model simple in structure, easy to operate, can ensure normal manufacturing schedule.
As a kind of improvement of the present utility model, described measurement frock also comprises the measuring amount bridge, described measuring amount bridge is mainly formed with the installing plate of being located in the middle part of measuring on the pedestal by measuring pedestal, the two ends bending that described measurement pedestal is microscler plate body and this plate body is used for the adaptive engine crankcase ring flange that is installed in, be provided with the through hole that communicates at described measurement pedestal with the centre of installing plate, described pull bar is fixed after passing through hole.Pull rod device matches with the measuring amount bridge and obtains the measurement data of adjusting pad ring thickness, and the measurement face of measuring amount bridge is calibration to be parallel to the engine mounting flange, and the limit flatness is consistent with installing, and can guarantee the accuracy of measuring.
As further improvement of the utility model, described measurement frock also comprises positioning fixture, described positioning fixture mainly by be used for being sleeved on the stationary fixture extension rod add pressure cylinder, collar nut is formed, described nut is used for contacting with hydraulic cylinder piston rod on the stationary fixture and by its promotion, wherein, the described pressure cylinder that adds is connected as one by two concentric reducing cylindrical shells and makes, described joint be installed in described add pressure cylinder than small end and be used for closely contacting with hydraulic actuator, by suppressing power No. four bearing part close installation that are installed on the high-pressure compressor axle are put in place.Positioning fixture can confirm whether be in place with parts such as adjusting the contacted bearing sealing seat of gasket ring, whether measured end face is normal.
As a kind of embodiment of the present utility model, described pull rod device also comprises be used to the guide head that play the guiding role, described guide head is cone, and the termination of described guide head is the evagination arcwall face, and described guide head is sleeved on and makes pull bar pass distance sleeve with the guide head guiding on the front end of described pull bar and stretch out.
As another kind of embodiment of the present utility model, described pull rod device also comprises the handle for the application of force, and described handle thread set and is tightened and the pressuring spring pressure measuring cylinder with handle on the front end of described pull bar.
The utility model can also have following embodiment:
Rear end at described pull bar is equipped with end cap, is provided with ring nut at the middle part of described end cap, and described pull bar passes and stretches into end cap behind the through hole of measuring amount bridge and be connected and fixed with described ring nut.
Described handle adopts the star handle.
Described spring pressure tube comprises overcoat, movable sleeve and spring, described overcoat and movable sleeve are the barrel-shaped of bottom surface perforate, described overcoat is placed on the movable sleeve with the relative overcoat that makes of the two opening with movable sleeve, between described movable sleeve and overcoat, be provided with the position-limit mechanism for spacing the two relative displacement, described spring is installed in the movable sleeve, and the two ends of spring contact respectively on the bottom surface of overcoat and movable sleeve.
Described position-limit mechanism comprises spacing hole and limited post, described spacing hole is the strip hole of axially offering along described sleeve side wall, described limited post is horizontally installed on the sidewall of described movable sleeve, and described limited post is in described spacing hole and with the relative displacement between the realization overcoat of the diverse location in spacing hole and the movable sleeve.
Described spacing hole and limited post adopt a pair of respectively, and spacing hole and the limited post of every centering are oppositely arranged respectively.
Compared with prior art, the utlity model has following significant effect:
⑴ the reliability of measurement data relies on the utility model precision to be guaranteed, got rid of substantially the adjusting pad ring thickness mate inaccurate problem, improved the assembly precision of high-pressure turbine unit body.
⑵ positioning fixture can confirm whether be in place with parts such as adjusting the contacted bearing sealing seat of gasket ring, whether measured end face is normal.
⑶ pull rod device is got rid of the bearing clearance to realize axially adjusting the accurate measurement with gasket ring thickness.
⑷ pull rod device matches with the measuring amount bridge and obtains the measurement data of adjusting pad ring thickness, and the measurement face of measuring amount bridge is calibration to be parallel to the engine mounting flange, and the limit flatness is consistent with installing, and can guarantee the accuracy of measuring.
Of the present utility model simple in structure, easy to operate, can ensure normal manufacturing schedule.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is one of structural representation of pull rod device (using during measurement);
Fig. 2 is two (using when inserting engine) of the structural representation of pull rod device;
Fig. 3 is the structural representation of measuring amount bridge;
Fig. 4 be positioning fixture add the axial cut-open view of pressure cylinder;
Fig. 5 is that the joint axis of positioning fixture is to cut-open view.
Embodiment
Shown in Fig. 1-5, it is the axial adjustment gasket ring thickness measure frock of a kind of engine high pressure turbine rotor of the utility model, it comprises the pull rod device 1 that is installed in low pressure rotor axle inner chamber for level, pull rod device 1 is mainly by pull bar 11, distance sleeve 12, spring pressure tube 13 reaches fixed cover 14 compositions that are used for distance sleeve 12 is positioned at low pressure rotor axle inner chamber, distance sleeve 12 is adaptive to be sleeved on the leading portion of pull bar 11 and to be positioned at an end of distance sleeve 12 by fixed cover 14, spring pressure tube 13 is the cylindrical shells that are built-in with spring, spring pressure tube 13 is placed in the leading section of pull bar 11 and contacts the other end at distance sleeve 12, apply pulling force in spring pressure tube 13 to the spring home position to get rid of the bearing clearance.Pull rod device also comprises the handle for the application of force, and handle adopts star handle 15, and star handle 15 thread sets and are tightened and the pressuring spring pressure measuring cylinder with handle on the front end of pull bar 11.Pull rod device also comprises the guide head 7 that play the guiding role, guide head 7 is cone, and the termination of guide head 7 is the evagination arcwall face, and behind removal star handle 15, guide head 7 is sleeved on and makes pull bar pass distance sleeve with the guide head guiding on the front end of pull bar 11 and stretch out.
In the present embodiment, the spring pressure tube comprises overcoat, movable sleeve and spring, overcoat and movable sleeve are the barrel-shaped of bottom surface perforate, overcoat is placed on the movable sleeve with the relative overcoat that makes of the two opening with movable sleeve, between movable sleeve and overcoat, be provided with the position-limit mechanism for spacing the two relative displacement, spring is installed in the movable sleeve, and the two ends of spring contact respectively on the bottom surface of overcoat and movable sleeve.In the present embodiment, position-limit mechanism comprises spacing hole and limited post, spacing hole is the strip hole of axially offering along sleeve side wall, limited post is horizontally installed on the sidewall of movable sleeve, and limited post is in spacing hole and with the relative displacement between the realization overcoat of the diverse location in spacing hole and the movable sleeve.Spacing hole and limited post adopt a pair of respectively, and spacing hole and the limited post of every centering are oppositely arranged respectively.
Measure frock and also comprise measuring amount bridge 2, measuring amount bridge 2 is mainly formed with the installing plate of being located in the middle part of measuring on the pedestal 21 22 by measuring pedestal 21, measurement pedestal 21 is used for the adaptive engine crankcase flange that is installed in for the two ends bending of microscler plate body and this plate body, be provided with the through hole 23 that communicates at measurement pedestal 21 with the centre of installing plate 22, it is fixing that pull bar 11 passes through hole 23 backs.
Measure frock and also comprise positioning fixture, positioning fixture mainly is made up of add pressure cylinder 3, joint 4 and the nut that are used for being sleeved on the stationary fixture extension rod, nut is used for contacting with hydraulic cylinder piston rod on the stationary fixture and by its promotion, wherein, adding pressure cylinder 3 is connected as one by two concentric reducing cylindrical shells and makes, joint 4 be installed in add pressure cylinder 3 than small end and be used for closely contacting with hydraulic actuator, by suppressing power No. four bearing part close installation that are installed on the high-pressure compressor axle are put in place.Positioning fixture can confirm whether be in place with parts such as adjusting the contacted bearing sealing seat of gasket ring, whether measured end face is normal.
In the rear end of pull bar 11 end cap 5 is installed, is provided with ring nut 6 at the middle part of end cap 5, pull bar 11 passes and stretches into end cap 5 behind the through hole 23 of measuring amount bridge 2 and be connected and fixed with ring nut 6.
The utility model is that pretension measurement face guarantees accurately to measure before at first measuring, when measuring, draw high the axial mobility of pressing compressor rotor to get rid of rotor forward, measurement face is compressed measurement, make the state consistency (the high-pressure turbine tolerance clearance after the measurement assembling need apply the axial mobility of pulling force eliminating rotor forward) of the measurement of its actual measurement state and high-pressure turbine unit body assembling back tolerance clearance, this frock is fit to assembling process to the accurate Calculation of spacer thickness, realizes utilizing the installation accuracy (during the assembling of high-pressure turbine unit body) that improves gasket ring to reach the purpose that gasket ring behind the cancellation assembling high-pressure turbine unit body is readjusted operation.
The concrete course of work of the present utility model is:
⑴ the pretension before measure: before measurement, earlier positioning fixture is inserted in the high-pressure shaft outer ring, link to each other with the hydraulic actuation cylinder with frock IAE1P17017 cooperation by nut, make No. four bearing parts that are contained on the high-pressure compressor axle tightly fit to the optimum position by suppressing power, unload this frock afterwards, this frock mainly confirm to install with part such as the contacted bearing sealing seat of this gasket ring whether put in place, whether measured end face normal.
⑵ the preparation before measure: guide head is installed at the pull bar front end, load onto rectangular pull bar back to front and pass the distance sleeve that is contained in LPC low pressure rotor axle inner chamber from the calm the anger direction of endoporus of gas rear axle of high pressure, removal guide head again, load onto spring pressure tube and star handle at the pull bar front end, tighten the star handle, pull bar is applied pulling force to the spring home position, and purpose is to get rid of the axial mobility of rotor.Apply certain load pulling force and get rid of the bearing clearance, solve having the bearing clearance and cause the problem of measured deviation in the measuring process.
⑶ be installed in the measuring amount bridge on the flange that cooperates with the high-pressure turbine unit body, measure the distance of face sealing seat end face behind the bearing with vernier depth gauge measuring amount bridge base, and this distance is designated as D, measure and the one-tenth-value thickness 1/10 that deducts frock of averaging at 2 and get size C, the value that deducts size B by size C namely draws actual spacer thickness value.
High pressure rotor axle pull bar is applied between high-pressure compressor and the low-pressure compressor axle pressure in axial direction, gets rid of the axial mobility of rotor, uses the depth calliper of the base that is installed in high-pressure compressor to measure the C value then.Also namely adopt measure simultaneously at 2 of the sealing seat circumference, get the mean value C of 2 measurement results then.
Measure the one-tenth-value thickness 1/10 that C and known B value just can calculate gasket ring, and select suitable pad to assemble by the shim size that calculates, the rotor stator cooperation position after can guaranteeing like this to assemble accurately.
The one-tenth-value thickness 1/10 calculating formula of gasket ring:
A=C-B
In the formula: C-rotor casing flange is to the distance of rotor bearing sealing seat
A-gasket ring thickness
The distance of B-high-pressure turbine stator casing forward flange limit to high pressure turbine rotor front axle termination
Embodiment of the present utility model is not limited thereto; according to foregoing of the present utility model; ordinary skill knowledge and customary means according to this area; do not breaking away under the above-mentioned basic fundamental thought of the utility model prerequisite; the utility model can also be made modification, replacement or the change of other various ways, all drops within the utility model rights protection scope.
Claims (10)
1. the axial adjustment of an engine high pressure turbine rotor is with gasket ring thickness measure frock, it is characterized in that: it comprises the pull rod device that is installed in low pressure rotor axle inner chamber for level, described pull rod device is mainly by pull bar, distance sleeve, the spring pressure tube reaches the fixed cover composition that is used for distance sleeve is positioned at low pressure rotor axle inner chamber, described distance sleeve is adaptive to be sleeved on the leading portion of described pull bar and to be positioned at an end of distance sleeve by described fixed cover, described spring pressure tube is the cylindrical shell that is built-in with spring, described spring pressure jacket casing is in the leading section of described pull bar and contact the other end at distance sleeve, apply pulling force in the spring pressure tube to the spring home position to get rid of the bearing clearance.
2. the axial adjustment of engine high pressure turbine rotor according to claim 1 is with gasket ring thickness measure frock, it is characterized in that: described measurement frock also comprises the measuring amount bridge, described measuring amount bridge is mainly formed with the installing plate of being located in the middle part of measuring on the pedestal by measuring pedestal, the two ends bending that described measurement pedestal is microscler plate body and this plate body is used for the adaptive engine crankcase ring flange that is installed in, be provided with the through hole that communicates at described measurement pedestal with the centre of installing plate, described pull bar is fixed after passing through hole.
3. the axial adjustment of engine high pressure turbine rotor according to claim 2 is with gasket ring thickness measure frock, it is characterized in that: described measurement frock also comprises positioning fixture, described positioning fixture is mainly by the pressure cylinder that adds that is used for being sleeved on the stationary fixture extension rod, joint and nut are formed, described nut is used for contacting with hydraulic cylinder piston rod on the stationary fixture and by its promotion, wherein, the described pressure cylinder that adds is connected as one by two concentric reducing cylindrical shells and makes, described joint be installed in described add pressure cylinder than small end and be used for closely contacting with hydraulic actuator, by suppressing power No. four bearing part close installation that are installed on the high-pressure compressor axle are put in place.
4. the axial adjustment of engine high pressure turbine rotor according to claim 3 is with gasket ring thickness measure frock, it is characterized in that: described pull rod device also comprises the handle for the application of force, described handle thread set and is tightened and the pressuring spring pressure measuring cylinder with handle on the front end of described pull bar.
5. the axial adjustment of engine high pressure turbine rotor according to claim 4 is with gasket ring thickness measure frock, it is characterized in that: described pull rod device also comprises be used to the guide head that play the guiding role, described guide head is cone, and the termination of described guide head is the evagination arcwall face, and described guide head is sleeved on and makes pull bar pass distance sleeve with the guide head guiding on the front end of described pull bar and stretch out.
6. the axial adjustment of engine high pressure turbine rotor according to claim 5 is with gasket ring thickness measure frock, it is characterized in that: the rear end at described pull bar is equipped with end cap, middle part at described end cap is provided with ring nut, and described pull bar passes and stretches into end cap behind the through hole of measuring amount bridge and be connected and fixed with described ring nut.
7. the axial adjustment of engine high pressure turbine rotor according to claim 6 is characterized in that: described handle employing star handle with gasket ring thickness measure frock.
8. the axial adjustment of engine high pressure turbine rotor according to claim 7 is with gasket ring thickness measure frock, it is characterized in that: described spring pressure tube comprises overcoat, movable sleeve and spring, described overcoat and movable sleeve are the barrel-shaped of bottom surface perforate, described overcoat is placed on the movable sleeve with the relative overcoat that makes of the two opening with movable sleeve, between described movable sleeve and overcoat, be provided with the position-limit mechanism for spacing the two relative displacement, described spring is installed in the movable sleeve, and the two ends of spring contact respectively on the bottom surface of overcoat and movable sleeve.
9. the axial adjustment of engine high pressure turbine rotor according to claim 8 is with gasket ring thickness measure frock, it is characterized in that: described position-limit mechanism comprises spacing hole and limited post, described spacing hole is the strip hole of axially offering along described sleeve side wall, described limited post is horizontally installed on the sidewall of described movable sleeve, and described limited post is in described spacing hole and with the relative displacement between the realization overcoat of the diverse location in spacing hole and the movable sleeve.
10. the axial adjustment of engine high pressure turbine rotor according to claim 9 is with gasket ring thickness measure frock, and it is characterized in that: described spacing hole and limited post adopt a pair of respectively, and spacing hole and the limited post of every centering are oppositely arranged respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320063208 CN203132477U (en) | 2013-02-04 | 2013-02-04 | Thickness measuring tool for axial adjustment backing ring of high pressure turbine rotor of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320063208 CN203132477U (en) | 2013-02-04 | 2013-02-04 | Thickness measuring tool for axial adjustment backing ring of high pressure turbine rotor of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203132477U true CN203132477U (en) | 2013-08-14 |
Family
ID=48940449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320063208 Expired - Lifetime CN203132477U (en) | 2013-02-04 | 2013-02-04 | Thickness measuring tool for axial adjustment backing ring of high pressure turbine rotor of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203132477U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566666A (en) * | 2020-04-28 | 2021-10-29 | 中国航发商用航空发动机有限责任公司 | Low-pressure turbine rotation and stator axial distance measuring method |
| CN114001626A (en) * | 2021-11-10 | 2022-02-01 | 中国航发南方工业有限公司 | Device and method for measuring axial activity of rotor in engine blind cavity |
-
2013
- 2013-02-04 CN CN 201320063208 patent/CN203132477U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566666A (en) * | 2020-04-28 | 2021-10-29 | 中国航发商用航空发动机有限责任公司 | Low-pressure turbine rotation and stator axial distance measuring method |
| CN113566666B (en) * | 2020-04-28 | 2023-01-24 | 中国航发商用航空发动机有限责任公司 | Low-pressure turbine rotation and stator axial distance measuring method |
| CN114001626A (en) * | 2021-11-10 | 2022-02-01 | 中国航发南方工业有限公司 | Device and method for measuring axial activity of rotor in engine blind cavity |
| CN114001626B (en) * | 2021-11-10 | 2023-11-03 | 中国航发南方工业有限公司 | Device and method for measuring axial activity of inner rotor in blind cavity of engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |