CN108007644A - A kind of calibration method of helicopter blade dynamic balance bench propeller hub initial settling angle - Google Patents

A kind of calibration method of helicopter blade dynamic balance bench propeller hub initial settling angle Download PDF

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Publication number
CN108007644A
CN108007644A CN201711154531.6A CN201711154531A CN108007644A CN 108007644 A CN108007644 A CN 108007644A CN 201711154531 A CN201711154531 A CN 201711154531A CN 108007644 A CN108007644 A CN 108007644A
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China
Prior art keywords
blade
propeller hub
standard
support arm
hub support
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Pending
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CN201711154531.6A
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Chinese (zh)
Inventor
刘政
宋瑶
张银峰
潘永生
林长亮
张元瑞
于馨皓
胡伟
刘博�
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Harbin Aircraft Industry Group Co Ltd
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Harbin Aircraft Industry Group Co Ltd
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Priority to CN201711154531.6A priority Critical patent/CN108007644A/en
Publication of CN108007644A publication Critical patent/CN108007644A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M1/00—Testing static or dynamic balance of machines or structures
    • G01M1/30—Compensating imbalance

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention belongs to helicopter experimental technique, is related to a kind of calibration method of helicopter blade dynamic balance bench propeller hub initial settling angle.The step of calibration, is as follows：Install for the first time；Measure the initial settling angle of blade；Second of installation；Measure the initial settling angle of blade；Third time is installed；Measure the initial settling angle of blade；Data processing；Blade dynamic balance bench propeller hub initial settling angle amendment.The present invention proposes a kind of calibration method of helicopter blade dynamic balance bench propeller hub initial settling angle, substantially increase the calibration accuracy of blade dynamic balance bench, and then the dynamically balanced test accuracy of helicopter blade is improved, meet the requirement to helicopter blade high accuracy dynamic balance running.

Description

A kind of calibration method of helicopter blade dynamic balance bench propeller hub initial settling angle
Technical field
The invention belongs to helicopter experimental technique, is related to a kind of school of helicopter blade dynamic balance bench propeller hub initial settling angle Quasi- method.
Present technology
The dynamic equilibrium that helicopter blade dynamic balance bench is used for blade is calibrated, can be by adjusting the trimmer of blade and dynamic The unsteady aerodynamic characteristic adjustment of blade is realized in counterweight, is reduced the unsteady aerodynamic characteristic mutual deviation between blade, is realized outfield paddle Leaf can interchange.In order to accurately adjust the dynamic balancing of blade, it is necessary to which helicopter blade dynamic balance bench itself keeps higher Measurement accuracy, current method of adjustment are to be carried out when static demarcating adds without blade by the way of dynamic rotational alignment.It is lacked Putting is：The calibration accuracy of blade dynamic balance bench is poor, causes low to the dynamically balanced test accuracy of helicopter blade, it is impossible to meets to straight Rise the requirement of machine blade high accuracy dynamic balance running.
The content of the invention
The purpose of the present invention is：It is proposed a kind of calibration method of helicopter blade dynamic balance bench propeller hub initial settling angle, with Just the calibration accuracy of blade dynamic balance bench is improved, and then improves the dynamically balanced test accuracy of helicopter blade, is met to helicopter The requirement of blade high accuracy dynamic balance running.
The technical scheme is that：A kind of calibration method of helicopter blade dynamic balance bench, helicopter blade dynamic balancing Platform has three propeller hub support arms, is respectively standard propeller hub support arm J, tested propeller hub support arm B and adjoint propeller hub support arm R, is tested propeller hub branch Arm B is located at the left side of standard propeller hub support arm J, and the right of standard propeller hub support arm J is located at propeller hub support arm R；It is it is characterized in that, sharp Helicopter blade dynamic balance bench is calibrated with three pieces standard blade, three pieces standard blade is：First standard blade P1, second Standard blade P2 and the 3rd standard blade P3；The step of calibration, is as follows：
1st, install for the first time：First standard blade P1 is installed on standard propeller hub support arm J, the second standard blade P2 is pacified It is attached on tested propeller hub support arm B, the 3rd standard blade P3 is installed to on propeller hub support arm R；
2nd, the initial settling angle of blade is measured：According to dynamic balancing program, low always away from state, using the first standard blade P1 as Benchmark, adjusts the wing setting angle of the second standard blade P2 and the 3rd standard blade P3, makes the blade tip cone of three pieces blade consistent, Record the first initial settling angle Δ I of the first standard blade P1J1, the second standard blade P2 the first initial settling angle Δ IB1With The first initial settling angle Δ I of 3rd standard blade P3R1；
3rd, install for second：First standard blade P1 is installed to on propeller hub support arm R, the second standard blade P2 is pacified It is attached on standard propeller hub support arm J, the 3rd standard blade P3 is installed on tested propeller hub support arm B；
4th, measured according to the method described in step 2 and record data below：
The second initial settling angle Δ I of first standard blade P1J2, the second standard blade P2 the second initial settling angle Δ IB2With the second initial settling angle Δ I of the 3rd standard blade P3R2；
5th, third time is installed：First standard blade P1 is installed on tested propeller hub support arm B, the second standard blade P2 is pacified It is attached to on propeller hub support arm R, the 3rd standard blade P3 is installed on standard propeller hub support arm J；
6th, measured according to the method described in step 2 and record data below：
The 3rd initial settling angle Δ I of first standard blade P1J3, the second standard blade P2 the 3rd initial settling angle Δ IB3With the 3rd initial settling angle Δ I of the 3rd standard blade P3R3；
7th, data processing：
7.1st, calculate three propeller hub support arms between initial settling angle property difference：
7.1.1 the property difference Δ of tested initial settling angle between propeller hub support arm B and standard propeller hub support arm J, is calculated IBKB-J：
ΔIBKB-J=(Δ IB1+ΔIB2+ΔIB3)/3-(ΔIJ1+ΔIJ2+ΔIJ3)/3………………[1]
7.1.2 the property difference Δ with initial settling angle between propeller hub support arm R and standard propeller hub support arm J, is calculated IBKR-J：
ΔIBKR-J=(Δ IR1+ΔIR2+ΔIR3)/3-(ΔIJ1+ΔIJ2+ΔIJ3)/3………………[2]
8th, blade dynamic balance bench propeller hub amendment：
The property difference of initial settling angle between the tested propeller hub support arm B and standard propeller hub support arm J that are obtained using step 7.1 ΔIBKB-JAnd the property difference Δ IBK with initial settling angle between propeller hub support arm R and standard propeller hub support arm JR-J, correct respectively Tested propeller hub support arm B and the initial settling angle with propeller hub support arm R.
It is an advantage of the invention that：A kind of calibration method of helicopter blade dynamic balance bench propeller hub initial settling angle is proposed, The calibration accuracy of blade dynamic balance bench is substantially increased, and then improves the dynamically balanced test accuracy of helicopter blade, is met Requirement to helicopter blade high accuracy dynamic balance running.
Brief description of the drawings
Fig. 1 is the position view for installing standard blade for the first time.
Fig. 2 is the position view of second of installation standard blade.
Fig. 3 is the position view that third time installs standard blade.
Embodiment
The present invention is described in further details below.A kind of calibration method of helicopter blade dynamic balance bench, helicopter Blade dynamic balance bench has three propeller hub support arms, respectively standard propeller hub support arm J, tested propeller hub support arm B and adjoint propeller hub support arm R, Tested propeller hub support arm B is located at the left side of standard propeller hub support arm J, and the right of standard propeller hub support arm J is located at propeller hub support arm R；Its It is characterized in that, helicopter blade dynamic balance bench is calibrated using three pieces standard blade, three pieces standard blade is：First standard Blade P1, the second standard blade P2 and the 3rd standard blade P3；The step of calibration, is as follows：
1st, install for the first time：First standard blade P1 is installed on standard propeller hub support arm J, the second standard blade P2 is pacified It is attached on tested propeller hub support arm B, the 3rd standard blade P3 is installed to on propeller hub support arm R；
2nd, the initial settling angle of blade is measured：According to dynamic balancing program, low always away from state, using the first standard blade P1 as Benchmark, adjusts the wing setting angle of the second standard blade P2 and the 3rd standard blade P3, makes the blade tip cone of three pieces blade consistent, Record the first initial settling angle Δ I of the first standard blade P1J1, the second standard blade P2 the first initial settling angle Δ IB1With The first initial settling angle Δ I of 3rd standard blade P3R1；
3rd, install for second：First standard blade P1 is installed to on propeller hub support arm R, the second standard blade P2 is pacified It is attached on standard propeller hub support arm J, the 3rd standard blade P3 is installed on tested propeller hub support arm B；
4th, measured according to the method described in step 2 and record data below：
The second initial settling angle Δ I of first standard blade P1J2, the second standard blade P2 the second initial settling angle Δ IB2With the second initial settling angle Δ I of the 3rd standard blade P3R2；
5th, third time is installed：First standard blade P1 is installed on tested propeller hub support arm B, the second standard blade P2 is pacified It is attached to on propeller hub support arm R, the 3rd standard blade P3 is installed on standard propeller hub support arm J；
6th, measured according to the method described in step 2 and record data below：
The 3rd initial settling angle Δ I of first standard blade P1J3, the second standard blade P2 the 3rd initial settling angle Δ IB3With the 3rd initial settling angle Δ I of the 3rd standard blade P3R3；
7th, data processing：
7.1st, calculate three propeller hub support arms between initial settling angle property difference：
7.1.1 the property difference Δ of tested initial settling angle between propeller hub support arm B and standard propeller hub support arm J, is calculated IBKB-J：
ΔIBKB-J=(Δ IB1+ΔIB2+ΔIB3)/3-(ΔIJ1+ΔIJ2+ΔIJ3)/3………………[1]
7.1.2 the property difference Δ with initial settling angle between propeller hub support arm R and standard propeller hub support arm J, is calculated IBKR-J：
ΔIBKR-J=(Δ IR1+ΔIR2+ΔIR3)/3-(ΔIJ1+ΔIJ2+ΔIJ3)/3………………[2]
8th, blade dynamic balance bench propeller hub amendment：
The property difference of initial settling angle between the tested propeller hub support arm B and standard propeller hub support arm J that are obtained using step 7.1 ΔIBKB-JAnd the property difference Δ IBK with initial settling angle between propeller hub support arm R and standard propeller hub support arm JR-J, correct respectively Tested propeller hub support arm B and the initial settling angle with propeller hub support arm R.
Embodiment
1st, install for the first time：First standard blade P1 is installed on standard propeller hub support arm J, the second standard blade P2 is pacified It is attached on tested propeller hub support arm B, the 3rd standard blade P3 is installed to on propeller hub support arm R；
2nd, the initial settling angle of blade is measured：According to dynamic balancing program, low always away from state, using the first standard blade P1 as Benchmark, adjusts the wing setting angle of the second standard blade P2 and the 3rd standard blade P3, makes the blade tip cone of three pieces blade consistent, Record the first initial settling angle Δ I of the first standard blade P1J1, the second standard blade P2 the first initial settling angle Δ IB1With The first initial settling angle Δ I of 3rd standard blade P3R1；
Recorded data：ΔIJ1=0', Δ IB1=3', Δ IR1=2'；
3rd, install for second：First standard blade P1 is installed to on propeller hub support arm R, the second standard blade P2 is pacified It is attached on standard propeller hub support arm J, the 3rd standard blade P3 is installed on tested propeller hub support arm B；
4th, measured according to the method described in step 2 and record data below：
The second initial settling angle Δ I of first standard blade P1J2, the second standard blade P2 the second initial settling angle Δ IB2With the second initial settling angle Δ I of the 3rd standard blade P3R2；
Recorded data：ΔIJ2=0', Δ IB2=-1', Δ IR2=3'；
5th, third time is installed：First standard blade P1 is installed on tested propeller hub support arm B, the second standard blade P2 is pacified It is attached to on propeller hub support arm R, the 3rd standard blade P3 is installed on standard propeller hub support arm J；
6th, measured according to the method described in step 2 and record data below：
The 3rd initial settling angle Δ I of first standard blade P1J3, the second standard blade P2 the 3rd initial settling angle Δ IB3With the 3rd initial settling angle Δ I of the 3rd standard blade P3R3；
Recorded data：ΔIJ3=0', Δ IB3=5', Δ IR3=1'；
7th, data processing：
7.1st, calculate three propeller hub support arms between initial settling angle property difference：
7.1.1 the property difference Δ of tested initial settling angle between propeller hub support arm B and standard propeller hub support arm J, is calculated IBKB-J：
ΔIBKB-J=(Δ IB1+ΔIB2+ΔIB3)/3-(ΔIJ1+ΔIJ2+ΔIJ3)/3=(3-1+5)/3=2.3'
7.1.2 the property difference Δ with initial settling angle between propeller hub support arm R and standard propeller hub support arm J, is calculated IBKR-J：
ΔIBKR-J=(Δ IR1+ΔIR2+ΔIR3)/3-(ΔIJ1+ΔIJ2+ΔIJ3)/3=(2+3+1)/3=2'
8th, blade dynamic balance bench propeller hub initial settling angle amendment：
The property difference of initial settling angle between the tested propeller hub support arm B and standard propeller hub support arm J that are obtained using step 7.1 ΔIBKB-J=the 2.3' and property difference Δ IBK with initial settling angle between propeller hub support arm R and standard propeller hub support arm JR-J= 2', corrects tested propeller hub support arm B and the initial settling angle with propeller hub support arm R respectively.

Claims (1)

1. a kind of calibration method of helicopter blade dynamic balance bench, helicopter blade dynamic balance bench has three propeller hub support arms, respectively It is located at standard propeller hub support arm J's for standard propeller hub support arm J, tested propeller hub support arm B and with propeller hub support arm R, tested propeller hub support arm B The left side, the right of standard propeller hub support arm J is located at propeller hub support arm R；It is characterized in that, using three pieces standard blade to helicopter Blade dynamic balance bench is calibrated, and three pieces standard blade is：First standard blade P1, the second standard blade P2 and the 3rd standard paddle Leaf P3；The step of calibration, is as follows：
1.1st, install for the first time：First standard blade P1 is installed on standard propeller hub support arm J, the second standard blade P2 is installed Onto tested propeller hub support arm B, the 3rd standard blade P3 is installed to on propeller hub support arm R；
1.2nd, the initial settling angle of blade is measured：According to dynamic balancing program, low always away from state, using the first standard blade P1 as base Standard, adjusts the wing setting angle of the second standard blade P2 and the 3rd standard blade P3, makes the blade tip cone of three pieces blade consistent, remembers Record the first initial settling angle Δ I of the first standard blade P1J1, the second standard blade P2 the first initial settling angle Δ IB1With The first initial settling angle Δ I of three standard blade P3R1；
1.3rd, install for second：First standard blade P1 is installed to on propeller hub support arm R, the second standard blade P2 is installed Onto standard propeller hub support arm J, the 3rd standard blade P3 is installed on tested propeller hub support arm B；
1.4th, measured according to the method described in step 1.2 and record data below：
The second initial settling angle Δ I of first standard blade P1J2, the second standard blade P2 the second initial settling angle Δ IB2With The second initial settling angle Δ I of three standard blade P3R2；
1.5th, third time is installed：First standard blade P1 is installed on tested propeller hub support arm B, the second standard blade P2 is installed To on propeller hub support arm R, the 3rd standard blade P3 is installed on standard propeller hub support arm J；
1.6th, measured according to the method described in step 1.2 and record data below：
The 3rd initial settling angle Δ I of first standard blade P1J3, the second standard blade P2 the 3rd initial settling angle Δ IB3With The 3rd initial settling angle Δ I of three standard blade P3R3；
1.7th, data processing：
1.7.1, calculate three propeller hub support arms between initial settling angle property difference：
1.7.1.1 the property difference Δ IBK of tested initial settling angle between propeller hub support arm B and standard propeller hub support arm J, is calculatedB-J：
ΔIBKB-J=(Δ IB1+ΔIB2+ΔIB3)/3-(ΔIJ1+ΔIJ2+ΔIJ3)/3………………[1]
1.7.1.2 the property difference Δ IBK with initial settling angle between propeller hub support arm R and standard propeller hub support arm J, is calculatedR-J：
ΔIBKR-J=(Δ IR1+ΔIR2+ΔIR3)/3-(ΔIJ1+ΔIJ2+ΔIJ3)/3………………[2]
1.8th, blade dynamic balance bench propeller hub amendment：
Utilize the property difference Δ of initial settling angle between step 1.7.1 obtained tested propeller hub support arm B and standard propeller hub support arm J IBKB-JAnd the property difference Δ IBK with initial settling angle between propeller hub support arm R and standard propeller hub support arm JR-J, quilt is corrected respectively Survey propeller hub support arm B and the initial settling angle with propeller hub support arm R.
CN201711154531.6A 2017-11-17 2017-11-17 A kind of calibration method of helicopter blade dynamic balance bench propeller hub initial settling angle Pending CN108007644A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4313358A (en) * 1979-09-10 1982-02-02 Sweetheart Plastics, Inc. Dynamically balanced trim press
CN101900540A (en) * 2010-07-15 2010-12-01 哈尔滨工程大学 Device and method for measuring helicopter rotor running elevation based on double lasers
CN102944361A (en) * 2012-12-06 2013-02-27 哈尔滨工业大学 Device for calibrating dynamic balance parameter of helicopter rotor blade
CN103063363A (en) * 2012-12-29 2013-04-24 中国人民解放军总参谋部第六十研究所 Measuring apparatus and method of unpiloted helicopter rotor blades static moment and barycenter
CN105277314A (en) * 2014-07-08 2016-01-27 哈尔滨飞机工业集团有限责任公司 Helicopter blade dynamic balance experiment platform hinge moment parameter correction method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4313358A (en) * 1979-09-10 1982-02-02 Sweetheart Plastics, Inc. Dynamically balanced trim press
CN101900540A (en) * 2010-07-15 2010-12-01 哈尔滨工程大学 Device and method for measuring helicopter rotor running elevation based on double lasers
CN102944361A (en) * 2012-12-06 2013-02-27 哈尔滨工业大学 Device for calibrating dynamic balance parameter of helicopter rotor blade
CN103063363A (en) * 2012-12-29 2013-04-24 中国人民解放军总参谋部第六十研究所 Measuring apparatus and method of unpiloted helicopter rotor blades static moment and barycenter
CN105277314A (en) * 2014-07-08 2016-01-27 哈尔滨飞机工业集团有限责任公司 Helicopter blade dynamic balance experiment platform hinge moment parameter correction method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
梁廷伟: "直升机标准桨叶特性参数测量技术研究", 《中国优秀博士学位论文全文数据库 工程科技Ⅱ辑》 *

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