CN201575880U - Large-blade weight moment over-range testing device - Google Patents
Large-blade weight moment over-range testing device Download PDFInfo
- Publication number
- CN201575880U CN201575880U CN200920266700XU CN200920266700U CN201575880U CN 201575880 U CN201575880 U CN 201575880U CN 200920266700X U CN200920266700X U CN 200920266700XU CN 200920266700 U CN200920266700 U CN 200920266700U CN 201575880 U CN201575880 U CN 201575880U
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- force transducer
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- steelyard
- scale
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Abstract
The utility model belongs to the field of weight moment testing, and relates to an improvement of a small-range moment scale, comprising a small-range moment scale consisting of an oil damper (1), a sliding weight (2), a force sensor (6), a supporting point (7), a scale beam (13), a switching flange disc (14), a data acquisition unit (8) and a computer (9), and a blade clamp (10). The utility model is characterized in that an auxiliary testing mechanism consists of a second force sensor (3) and a force value display (4); the second force sensor (3) is positioned above or below the blade clamp (10); a force sensing rod (11) of the second force sensor (3) is vertically connected with the blade clamp (10); and a shell of the second force sensor (3) is connected with a base of the small-range moment scale by a connecting rod (12). The utility model can expand the measuring range of the small-range moment scale, solve the measuring difficulty of weight moment of an over-range blade of a certain-type aircraft engine, reduce the measuring cost, guarantee the measuring progress and meet the development requirements of the certain-type aircraft engine.
Description
Technical field
The utility model belongs to weight square field tests, relates to the improvement to a small amount of journey moment scale.
Background technology
The test of aeroengine rotor leaf weight square is one of important step of research and production.Certain type aerial engine fan spinner blade designing and calculating leaf weight square is about 9,000,000g.mm, and leaf weight is about 3.6kg.Head and shoulders above the measurement range of existing a small amount of journey moment scale.Domestic unit with wide range moment scale is very few, not only far away, and the measurement expense costliness, and the measurement progress can't guarantee, has had a strong impact on finishing of certain type aeromotor scientific research plan.
Summary of the invention
The purpose of this utility model is: propose a kind of big leaf weight square outrange proving installation that can expand a small amount of journey moment scale measurement range, to solve the measurement difficult problem of certain type aeromotor outrange leaf weight square, reduce measurement expense, guarantee the measurement progress, satisfy the development requirement of certain type aeromotor.
The technical solution of the utility model is: big leaf weight square outrange proving installation, comprise an a small amount of journey moment scale and a blade fixture of forming by oil damper, sliding weight, force transducer, fulcrum, the arm beam of steelyard, switching ring flange, data acquisition unit and computing machine, distance from the tie point of the power induction rod of force transducer and the arm beam of steelyard to fulcrum is L1, distance from fulcrum to switching ring flange arm beam of steelyard joint face is L2, and blade fixture is fixed on the anchor clamps joint face of switching ring flange; It is characterized in that, there is one by second force transducer, the subtest mechanism that power value display is formed, second force transducer be positioned at blade fixture directly over or under, the power induction rod of second force transducer is connected with blade fixture is vertical, the housing of second force transducer is connected by the base of connecting rod with a small amount of journey moment scale, the output terminal of second force transducer is connected with the input end of power value display on being fixed on journey moment scale base in a small amount by lead, distance from the tie point of the power induction rod of second force transducer and blade fixture to switching ring flange arm beam of steelyard joint face is L3, and the distance from the axis extended line of the power induction rod of second force transducer to tested blade barycenter is L4.
The utility model has the advantages that: can expand the measurement range of journey moment scale in a small amount, solve the measurement difficult problem of certain type aeromotor outrange leaf weight square, reduce measurement expense, guarantee the measurement progress, satisfy the development requirement of certain type aeromotor.
Description of drawings
Fig. 1 is a structural principle synoptic diagram of the present utility model.Among the figure, G is the quality of tested blade.
Embodiment
Below the utility model is described in further details.Referring to Fig. 1, big leaf weight square outrange proving installation, comprise an a small amount of journey moment scale and a blade fixture 10 of forming by oil damper 1, sliding weight 2, force transducer 6, fulcrum 7, the arm beam of steelyard 13, switching ring flange 14, data acquisition unit 8 and computing machine 9, distance from the tie point of the power induction rod of force transducer 6 and the arm beam of steelyard 13 to fulcrum 7 is L1, distance from fulcrum 7 to switching ring flange 14 arm beam of steelyard joint faces is L2, and blade fixture 10 is fixed on the anchor clamps joint face of switching ring flange 14; It is characterized in that, there is one by second force transducer 3, the subtest mechanism that power value display 4 is formed, second force transducer 3 be positioned at blade fixture 10 directly over or under, the power induction rod 11 of second force transducer 3 and 10 vertical connections of blade fixture, the housing of second force transducer 3 is connected by the base of connecting rod 12 with a small amount of journey moment scale, the output terminal of second force transducer 3 is connected with the input end of power value display 4 on being fixed on journey moment scale base in a small amount by lead, distance from the tie point of the power induction rod 11 of second force transducer 3 and blade fixture 10 to switching ring flange 14 arm beam of steelyard joint faces is L3, and the distance from the axis extended line of the power induction rod 11 of second force transducer 3 to tested blade 5 barycenter is L4.
Principle of work of the present utility model is: the part that exceeds a small amount of journey moment weighing journey is carried by aided measurement device.Calculate the weight square value of outrange blade by measurement result to aided measurement device.During test, outrange blade 5 is installed on the weight square measured material 10, adjusts slide block 2 by the power induction rod 11 cooperation a small amount of journey moment scales of servicing unit, making in a small amount, the arm beam of steelyard of journey moment scale is in horizontality, at this moment, outrange weight square value is born on the servicing unit.Computing formula is as follows:
Leaf weight square value=L1*F1+ (L2+L3) * F2=(L2+L3+L4) * G
In the formula, F1 is the power value of the force transducer 6 of computing machine 9 demonstrations, and F2 is the power value of second force transducer 3 of power value display 4 demonstrations, and G is a leaf quality.
Among the embodiment of the present utility model, second force transducer 3 and power value display 4 adopt finished parts.
Claims (1)
1. big leaf weight square outrange proving installation, comprise an a small amount of journey moment scale and a blade fixture [10] of forming by oil damper [1], sliding weight [2], force transducer [6], fulcrum [7], the arm beam of steelyard [13], switching ring flange [14], data acquisition unit [8] and computing machine [9], distance from the tie point of the power induction rod of force transducer [6] and the arm beam of steelyard [13] to fulcrum [7] is L1, distance from fulcrum [7] to switching ring flange [14] arm beam of steelyard joint face is L2, and blade fixture [10] is fixed on the anchor clamps joint face of switching ring flange [14]; It is characterized in that, there is one by second force transducer [3], the subtest mechanism that power value display [4] is formed, second force transducer [3] be positioned at blade fixture [10] directly over or under, the power induction rod [11] of second force transducer [3] and vertical connection of blade fixture [10], the housing of second force transducer [3] is connected by the base of connecting rod [12] with a small amount of journey moment scale, the output terminal of second force transducer [3] is connected with the input end of power value display [4] on being fixed on journey moment scale base in a small amount by lead, distance from the tie point of the power induction rod [11] of second force transducer [3] and blade fixture [10] to ring flange [14] arm beam of steelyard joint face of transferring is L3, and the distance from the axis extended line of the power induction rod [11] of second force transducer [3] to tested blade [5] barycenter is L4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920266700XU CN201575880U (en) | 2009-12-04 | 2009-12-04 | Large-blade weight moment over-range testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920266700XU CN201575880U (en) | 2009-12-04 | 2009-12-04 | Large-blade weight moment over-range testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201575880U true CN201575880U (en) | 2010-09-08 |
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ID=42695756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920266700XU Expired - Lifetime CN201575880U (en) | 2009-12-04 | 2009-12-04 | Large-blade weight moment over-range testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201575880U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955977A (en) * | 2018-05-25 | 2018-12-07 | 华瑞（江苏）燃机服务有限公司 | A kind of measurement method of combustion engine turbine blade weight square |
| CN110836748A (en) * | 2019-11-27 | 2020-02-25 | 中国航发沈阳黎明航空发动机有限责任公司 | Engine blade static torque meter calibration system and calibration method |
-
2009
- 2009-12-04 CN CN200920266700XU patent/CN201575880U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955977A (en) * | 2018-05-25 | 2018-12-07 | 华瑞（江苏）燃机服务有限公司 | A kind of measurement method of combustion engine turbine blade weight square |
| CN110836748A (en) * | 2019-11-27 | 2020-02-25 | 中国航发沈阳黎明航空发动机有限责任公司 | Engine blade static torque meter calibration system and calibration method |
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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: 20100908 |