CN205138791U - Gas turbine engine axial force test sensor confined state detection device - Google Patents
Gas turbine engine axial force test sensor confined state detection device Download PDFInfo
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- CN205138791U CN205138791U CN201520839869.5U CN201520839869U CN205138791U CN 205138791 U CN205138791 U CN 205138791U CN 201520839869 U CN201520839869 U CN 201520839869U CN 205138791 U CN205138791 U CN 205138791U
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Abstract
The utility model provides a gas turbine engine axial force test sensor confined state detection device, including hand -drive block, digital balance, bearing, load frock, bearing frame and collection system, the bearing frame is fixed in ground, and the primary shaft is installed to force transducer to force transducer, secondary shaft and lie in the upper and lower both ends of bearing face respectively in the bearing frame, and the bearing lower extreme is placed in to the load frock, hangs after hand -drive block is connected with digital balance in load frock upper end, two pressure sensor signal outputs are connected with collection system, under the condition of assembly parts (subassembly), proofread axial force test sensor confined state, avoid the assembly to accomplish the linear slope deviation of discovery data in the complete machine test of back and lead to the fact the anti - error that pushes away of power value, can solve counter motive force value possibility overproof partially effectively, avoid the lower ride teardown inspection because the axial force is overproof and lead to the fact the waste of extra manpower, material resources, it provides more true and reliable data foundation to test for the axial force.
Description
[technical field]
The utility model belongs to aeroengine test field, relates to a kind of gas-turbine unit axial force testing sensor confined state pick-up unit.
[background technology]
Rotor axial power is one of the important indicator in engine structure design.Whether axial force meets design requirement, and directly affects the serviceable life of bearing, can have influence on serviceable life and the reliability of complete machine time serious.The test result of axial force is the important evidence determined gas-turbine unit axial force Adjusted Option, guarantee the reliability operation of bearing.Gas-turbine unit axial force is the test result utilizing the axial load of axial force transducer to the axle that bearing carries to test.First, axial force transducer needs to demarcate, and to demarcate environment be laboratory, its environment facies to better, timing signal by external environmental interference, data accurately, reliable.Axial force transducer is installed when carrying out thereafter engine final assembly in bearing seat, environment during assembling is at assembling factory building, because its structure of axial force transducer has certain singularity, human factor whether (skillfully) is had when assembling, frock tool, installation method and environmental factor may be mingled with the not clear materials such as grit and cause smooth precision to reduce, therefore there is uncertain factor, and then cause test data to there is corresponding deviation.After final assembly completes, just may find deviation during system test, now affect test result, thus cause axial force testing transducer calibration data and actual test data to have certain test error (absolute error).
If push away its axial force force value with the data of actual nest timing signal devious are counter, can cause and calculate that force value and actual force value are not inconsistent and overproof.The method about the test error of axial force transducer real data is not solved in current axial force testing both at home and abroad.And this test error directly can cause the differentiation correctness of test result.Through retrieval without this similar caliberating device and method.
[utility model content]
For overcoming problems of the prior art, the utility model proposes a kind of gas-turbine unit axial force testing sensor equipment condition checkout gear and method, solving the test result deviation causing final assembly because of the uncertain of confined state.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of gas-turbine unit axial force testing sensor confined state pick-up unit, comprise bottle gouard moved by hands, digital scale, bearing, loading frock, bearing seat and acquisition system, bearing seat is fixed on ground, first axial force transducer, the second axial force transducer are installed in bearing seat and lay respectively at bearing upper/lower terminal face, load frock and be placed in bearing lower end, hang in loading frock upper end after bottle gouard moved by hands is connected with digital scale; Two pressure sensor signal output terminals are connected with acquisition system; Manually cucurbit provides the load force value of predetermined load to increments such as pressure transducer applyings, and the size of adjustment input load force value, makes the output loads value of digital scale consistent with the force value of timing signal.
Described first axial force transducer and the second axial force transducer adopt strain gauge transducer.
Described first axial force transducer, bearing and the second axial force transducer are all loaded in bearing seat, and the first axial force transducer and the second axial force transducer are fixed in bearing seat with set nut and pin respectively.
Described digital scale is fixedly connected with bottle gouard moved by hands, and bottle gouard moved by hands is fixedly connected with Tian Liang, and digital scale is hung in loading frock upper end by suspension hook.
Gas-turbine unit axial force testing sensor confined state pick-up unit of the present utility model, comprise bottle gouard moved by hands, digital scale, bearing, load frock, bearing seat and acquisition system, under the condition of built-up member (assembly), axial force testing sensor confined state is proofreaded, avoid having assembled in rear system test and find the linear slope deviation of data and the anti-error that pushes away causing force value, effectively can solve the partially overproof possibility of reaction thrust value, avoid causing extra manpower because of the overproof and lower ride overhaul of axial force, the waste of material resources, for axial force testing provides more true and reliable data foundation.
This apparatus design is reasonable, and compact conformation is easy for installation, simple to operate.Engine axial force transducer assembling precision is improved in actual mechanical process.Solve the test result deviation causing final assembly because of confined state uncertain, avoid because of sensor assembly precision reason cause engine shaft to force value the overproof and possibility of decomposition of leaving office.
[accompanying drawing explanation]
Accompanying drawing 1 is test unit forward structure schematic diagram;
Accompanying drawing 2 is test unit reverse geometry schematic diagram;
Accompanying drawing 3 is bearing seat and sensor installation diagram;
Accompanying drawing 4 is position views of sensor and foil gauge;
In figure: 1. bottle gouard moved by hands; 2. digital scale; 3. the first axial force transducer; 4. bearing; 5. load frock; 6. set nut; 7. bearing seat; 8. acquisition system; 9 screws; 10 pins; 11. second axial force transducers.
[embodiment]
Below in conjunction with drawings and Examples, the utility model is further described, but the utility model is not limited to following examples.
The present embodiment is a kind of gas-turbine unit axial force transducer confined state detection method device, structural representation is shown in accompanying drawing 1, comprises bottle gouard moved by hands 1, digital scale 2, first axial force transducer 3, bearing 4, loads frock 5, bearing seat 7, acquisition system 8, second axial force transducer 11.
The pick-up unit that the utility model proposes comprises sensor, bearing seat, digital scale, suspension hook, bottle gouard moved by hands, set nut, screw, pin, also include acquisition system, load frock, wherein, bearing seat is fixed on ground, sensor is installed in bearing seat, load frock and be placed in bearing lower end, bottle gouard moved by hands and digital scale hang in upper end; Load frock to be connected with suspension hook, suspension hook is connected with digital scale; Digital scale is connected with bottle gouard moved by hands; Pressure sensor signal output terminal is connected to form closed loop with control acquisition system; Loading force is shown on digital scale.
The force cell assembling of high pressure rotor bearing rear end as shown in Figure 1, according to the matching requirements of engine interior axial force transducer, it is inner that the present embodiment mesohigh rotor bearing rear end second axial force transducer 11 and bearing 4 are all loaded on bearing seat 7, first high pressure rotor bearing rear end second axial force transducer 11 is installed on bearing seat, and fix with pin 10, draw signal wire from endoporus and be connected with acquisition system 8.Bearing 4 upper surface is contacted with the lower surface of the second axial force transducer 11.Be installed in bearing seat 7 by high pressure rotor bearing front end first axial force transducer 3 again, its upper surface contacts with bearing 4 lower surface, then fixes with set nut 6.Loading frock 5 disk place is positioned at bearing 4 lower end makes loading frock 5 disk place upper surface contact with the lower surface of bearing 4, is connected to hook place, digital scale 2 lower end.Digital scale 2 is fixedly connected with bottle gouard moved by hands 1, and bottle gouard moved by hands 1 is fixedly connected with Tian Liang.For ensureing that verticality test parts of slinging makes it slowly drop on machine frame parallel to the ground perpendicular to ground and fixing after parts have assembled.With simulated engine axial force transducer actual working state, according to sensor measurement scope, manually cucurbit 1 provides the load force value of predetermined load to increments such as sensor applyings, be respectively 0kN, 5kN, 10kN, 15kN, 20kN, 25kN, 30kN, the size of adjustment input load force value, makes the output loads value of digital scale 2 consistent with the force value of timing signal.
The signal output part of the second axial force transducer 11 is connected to form closed loop with control acquisition system 7 and carries out strain signal data acquisition.The assembling of low pressure rotor bearing force cell is as Fig. 1, and test method is identical with the test method of high pressure rotor bearing rear end force cell.
The force cell assembling of high pressure rotor bearing front end as shown in Figure 2, according to the matching requirements of engine interior axial force transducer, it is inner that high pressure rotor bearing front end first axial force transducer 3 and bearing 4 are all loaded on bearing seat 7, first high pressure rotor bearing rear end second axial force transducer 11 is installed in bearing seat 7, and fix with pin 10, draw signal wire from endoporus and be connected with acquisition system 8.Bearing 4 lower surface is contacted with the upper surface of the second axial force transducer 11.High pressure rotor bearing front end first axial force transducer 3 to be installed on above bearing 4 and to contact with bearing 4 upper surface.Thereafter high pressure rotor bearing front end first axial force transducer 3 is fixed with set nut 6.Loading frock 5 disk place is positioned at bearing 4 lower end makes loading frock 5 disk place upper surface contact with the lower surface of bearing 4, is connected to hook place, digital scale 2 lower end.Digital scale 2 is fixedly connected with bottle gouard moved by hands 1, and bottle gouard moved by hands 1 is fixedly connected with Tian Liang.For ensureing that verticality test parts of slinging makes it slowly drop on machine frame parallel to the ground perpendicular to ground and fixing after parts have assembled.With simulated engine axial force transducer actual working state, according to sensor measurement scope, manually cucurbit 1 provides the load force value of predetermined load to increments such as sensor applyings, be respectively 0kN, 5kN, 10kN, 15kN, 20kN, 25kN, 30kN, the size of adjustment input load force value, makes the output loads value of digital scale 2 consistent with the force value of timing signal.
The signal output part of the first axial force transducer 3 is connected to form closed loop with control acquisition system 7 and carries out strain signal data acquisition.By having tested the collection contrast of test figure, can find confined state before engine final assembly under, whether test data result is consistent with the test data of demarcating under environment, realizes the detection check and correction under gas-turbine unit axial force transducer confined state.
As shown in Figure 3 and Figure 4, the first axial force transducer 3, second axial force transducer 11 adopts strain gauge transducer.Its test principle is elastic body is pasted the sensor that the stress that produces of foil gauge induction distortional elastomer carries out testing.Elastic body is annular flexible steel ring, has the boss of alternative arrangement at the upper surface of this elastic body annulus and lower surface respectively.Every one side has 9 boss, considers that its reliability posts two-way 6 groups of foil gauges altogether between boss.In every one side 9 boss, any one or one are mingled with the materials such as grit with convex platform place and just can cause a certain road or the skew of two paths of data linear gradient, cannot judge which is authentic and valid larger if there is two paths of data deviation in final system test, or likely two paths of data not authentic and valid.
The method is for guaranteeing the detection that test data judgment accuracy increases between Laboratory Calibration and system test, is also emphasis of the present utility model.Because do not have this link may cause the error in judgement of Engine Block Test and form unnecessary human and material resources, the loss of financial resources in test process before, add in order to avoid unnecessary the disassembling except engine failure in assembling process to the link of the detection of confined state.The advantage of the method is under the condition of built-up member (assembly), axial force testing sensor confined state is proofreaded, avoid having assembled in rear system test and find the linear slope deviation of data and the anti-error that pushes away causing force value, effectively can solve the partially overproof possibility of reaction thrust value, avoid the waste causing extra human and material resources because of the overproof and lower ride overhaul of axial force, for axial force testing provides more true and reliable data foundation.
Example
Illustrated by high pressure rotor bearing front end first axial force transducer two states:
1, high pressure rotor bearing front end first axial force transducer nominal data is compared with the practical set condition test data of workshop.It is identical that confined state Test Data Collecting and nominal data gather acquired parameter, and 6 groups of foil gauges are divided into two paths of signals passage.In practical set state, wherein accompany impurity under boss near a road foil gauge.Its tables of data is as follows:
Table 1 high pressure rotor bearing front end first axial force transducer nominal data
| Force value | CH3 | CH4 |
| 0 | 0 | 0 |
| 5 | 454 | 442 |
| 10 | 896 | 889 |
| 15 | 1357 | 1349 |
| 20 | 1803 | 1793 |
| 25 | 2245 | 2234 |
| 30 | 2691 | 2678 |
Table 2 one tunnel is mingled with the data after impurity
| Force value | CH3 | CH4 |
| 0 | 0 | 0 |
| 5 | 442 | 570 |
| 10 | 889 | 1136 |
| 15 | 1349 | 1714 |
| 20 | 1793 | 2283 |
| 25 | 2234 | 2847 |
| 30 | 2678 | 3428 |
2, high pressure rotor bearing front end first axial force transducer nominal data is compared with the practical set condition test data of workshop.Confined state Test Data Collecting is identical with nominal data acquisition parameter, and 6 groups of foil gauges are divided into two paths of signals passage.In practical set state, wherein accompany impurity under corresponding boss near two-way foil gauge.Its tables of data is as follows:
Table 3 high pressure rotor bearing front end first axial force transducer nominal data
| Force value | CH3 | CH4 |
| 0 | 0 | 0 |
| 5 | 404 | 402 |
| 10 | 808 | 797 |
| 15 | 1179 | 1167 |
| 20 | 1556 | 1544 |
| 25 | 1931 | 1925 |
| 30 | 2308 | 2301 |
Table 4 two-way is mingled with data after impurity
| Force value | CH3 | CH4 |
| 0 | 0 | 0 |
| 5 | 478 | 484 |
| 10 | 926 | 935 |
| 15 | 1415 | 1411 |
| 20 | 1915 | 1929 |
| 25 | 2396 | 2401 |
| 30 | 2874 | 2877 |
Claims (4)
1. a gas-turbine unit axial force testing sensor confined state pick-up unit, it is characterized in that: comprise bottle gouard moved by hands (1), digital scale (2), bearing (4), load frock (5), bearing seat (7) and acquisition system (8), bearing seat (7) is fixed on ground, first axial force transducer (3), second axial force transducer (11) is installed in bearing seat and lays respectively on bearing (4), lower both ends of the surface, load frock (5) and be placed in bearing (4) lower end, bottle gouard moved by hands (1) hangs in loading frock (5) upper end after being connected with digital scale (2), two pressure sensor signal output terminals are connected with acquisition system (8),
Manually cucurbit (1) provides the load force value of predetermined load to increments such as pressure transducer applyings, and the size of adjustment input load force value, makes the output loads value of digital scale (2) consistent with the force value of timing signal.
2. gas-turbine unit axial force testing sensor confined state pick-up unit according to claim 1, is characterized in that: described first axial force transducer (3) and the second axial force transducer (11) adopt strain gauge transducer.
3. gas-turbine unit axial force testing sensor confined state pick-up unit according to claim 1, it is characterized in that: described first axial force transducer (3), bearing (4) and the second axial force transducer (11) are all loaded in bearing seat (7), the first axial force transducer (3) and the second axial force transducer (11) use set nut (6) and pin (10) to be fixed in bearing seat (7) respectively.
4. gas-turbine unit axial force testing sensor confined state pick-up unit according to claim 1, it is characterized in that: described digital scale (2) is fixedly connected with bottle gouard moved by hands (1), bottle gouard moved by hands (1) is fixedly connected with sky beam, and digital scale (2) is hung in loading frock (5) upper end by suspension hook.
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| CN201520839869.5U CN205138791U (en) | 2015-10-27 | 2015-10-27 | Gas turbine engine axial force test sensor confined state detection device |
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| CN201520839869.5U CN205138791U (en) | 2015-10-27 | 2015-10-27 | Gas turbine engine axial force test sensor confined state detection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168851A (en) * | 2017-11-22 | 2018-06-15 | 中国北方发动机研究所(天津) | A kind of turbocharger axial direction load test device and test method |
| CN108534940A (en) * | 2018-05-14 | 2018-09-14 | 西安交通大学 | A kind of measuring device and measuring method of the rotor axial power of double-screw compressor |
| CN109724726A (en) * | 2019-02-20 | 2019-05-07 | 凤城市时代龙增压器制造有限公司 | A kind of turbocharger axial direction force test system and test method |
| CN110967137A (en) * | 2018-09-28 | 2020-04-07 | 通用电气阿维奥有限责任公司 | Torque measuring system |
| CN114184390A (en) * | 2022-02-16 | 2022-03-15 | 成都中科翼能科技有限公司 | Gas turbine rotor axial force test sensor and parameter design method |
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2015
- 2015-10-27 CN CN201520839869.5U patent/CN205138791U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168851A (en) * | 2017-11-22 | 2018-06-15 | 中国北方发动机研究所(天津) | A kind of turbocharger axial direction load test device and test method |
| CN108168851B (en) * | 2017-11-22 | 2020-06-30 | 中国北方发动机研究所(天津) | Axial load testing device and method for turbocharger |
| CN108534940A (en) * | 2018-05-14 | 2018-09-14 | 西安交通大学 | A kind of measuring device and measuring method of the rotor axial power of double-screw compressor |
| CN108534940B (en) * | 2018-05-14 | 2020-06-19 | 西安交通大学 | Device and method for measuring axial force of rotor of double-screw compressor |
| CN110967137A (en) * | 2018-09-28 | 2020-04-07 | 通用电气阿维奥有限责任公司 | Torque measuring system |
| US11493407B2 (en) | 2018-09-28 | 2022-11-08 | Ge Avio S.R.L. | Torque measurement system |
| CN109724726A (en) * | 2019-02-20 | 2019-05-07 | 凤城市时代龙增压器制造有限公司 | A kind of turbocharger axial direction force test system and test method |
| CN109724726B (en) * | 2019-02-20 | 2024-03-29 | 凤城市时代龙增压器制造有限公司 | Turbocharger axial force testing system and testing method |
| CN114184390A (en) * | 2022-02-16 | 2022-03-15 | 成都中科翼能科技有限公司 | Gas turbine rotor axial force test sensor and parameter design method |
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| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Patentee after: AECC AVIATION POWER CO,LTD. Address before: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Patentee before: AVIC AVIATION ENGINE Corp.,PLC |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Patentee after: AVIC AVIATION ENGINE Corp.,PLC Address before: Fengcheng Weiyang District ten road 710021 Shaanxi city of Xi'an Province Patentee before: XI'AN AVIATION POWER Co.,Ltd. |