CN109655270A - A kind of installation of cantilever can high tachometric survey torque device - Google Patents
A kind of installation of cantilever can high tachometric survey torque device Download PDFInfo
- Publication number
- CN109655270A CN109655270A CN201811266755.0A CN201811266755A CN109655270A CN 109655270 A CN109655270 A CN 109655270A CN 201811266755 A CN201811266755 A CN 201811266755A CN 109655270 A CN109655270 A CN 109655270A
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- China
- Prior art keywords
- spline shaft
- motor spline
- motor
- bridging arrangement
- arrangement shell
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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
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/24—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of cantilever installation can high tachometric survey torque device, including the bridging arrangement shell being sheathed on motor spline shaft, mounting bracket, motor spline shaft includes motor spline shaft I and motor spline shaft II disconnected from each other；Opening is offered on bridging arrangement shell, is set in opening for measuring the stator of torque sensor of torque and bridging arrangement shell is removably connected to by mounting bracket；The rotor of torque sensor is set between motor spline shaft I and motor spline shaft II and respectively with motor spline shaft I and motor spline shaft II and is detachably connected.Torque sensor has been carried out cantilever installation by the present invention, the number of components being reduced as far as on transmission chain.Structure overall compact reduces axial length, i.e. jib-length as far as possible.Operating rotational speed range of the invention is wide, applied widely, can apply to many types of high revolving speed machinery plant capacity and extract in test.
Description
Technical field
The invention belongs to aero-engine ground stand power draw experimental technique, it is related to measuring aero-engine output work
The technique study of rate is related to high revolving speed mechanical transmission fields, can operate with working time shorter cantilever and installs high revolving speed and turns round
Square measures in calibrating installation.
Background technique
The accessory alternator of aero-engine, working speed 20000r/min.According to develop needs, by motor with
Torque sensor is installed additional between the aircraft accessory casing of aero-engine, to measure the output shaft power of aero-engine.Aircraft
Accessory drive gearbox is suspension lifting, since space limits, it is desirable that alternating current generator is also cantilever installation.So the peace of torque sensor
The technical characterstics such as there are cantilever installation, narrow space, high revolving speeds to be driven for dress environment, jib-length is limited.Due to factors above system
About, motor is installed using the torque sensor and high-revolving cantilever of flange installation.
Existing cantilever surveys torsion technology and mainly measures axis driving torque by the way of pasting foil gauge.It is most of to turn round
Square sensor installation form is axle sleeve type installation, shaft coupling installation.Most of torque sensor installation is mostly ground supports shape
Formula.The bridge-type bridging arrangement design document both at home and abroad for cantilever installation torque sensor is not retrieved.
Summary of the invention
Goal of the invention
The present invention provides a kind of bridge-type bridging arrangement design methods for the installation of torque sensor cantilever, devise one
The installation of kind of cantilever can high tachometric survey torque device, solve the problems, such as the installation of torque sensor cantilever, high-speed drive etc.,
To realize effective transmitting of power.
Inventive technique solution
In order to achieve the above-mentioned object of the invention, the present invention uses following technical solutions:
A kind of installation of cantilever can high tachometric survey torque device, including the bridging arrangement shell being sheathed on motor spline shaft
Body, mounting bracket, motor spline shaft include motor spline shaft I and motor spline shaft II disconnected from each other；On bridging arrangement shell
Opening is offered, is set in opening and is detachably connected by mounting bracket for measuring the stator of torque sensor of torque
In on bridging arrangement shell；The rotor of torque sensor be set between motor spline shaft I and motor spline shaft II and respectively with
Motor spline shaft I and motor spline shaft II are detachably connected.
Preferably, the section of the mounting bracket is L-type, respectively can with the rotor of torque sensor and bridging arrangement shell
Dismantling connection.
Preferably, mounting bracket is mutually fitted with the type face of bridging arrangement shell contact surface and the outer mold surface of bridging arrangement shell.
Preferably, motor spline shaft I and motor spline shaft II are coaxial.
Preferably, by the axial length of rotatable parts and the examination analysis of motor intensity, bridging arrangement shell both ends lead to respectively
Clip is crossed to be connected with aircraft accessory casing motor mount, alternating current generator.
Preferably, motor spline shaft I and motor spline shaft II are all made of external splines structure.
Preferably, geometric tolerance constraint is carried out to motor spline shaft I, motor spline shaft II and bridging arrangement shell, and right
The rotor assembly that splined shaft I, the rotor of torque sensor and motor spline shaft II form carries out dynamic balancing simulation analysis, guarantees bridge
Formula structure rotary balance.
Advantages of the present invention
The present invention has the advantages that whole design idea is concise, torque sensor cantilever installation is subjected to, to the greatest extent may be used
Energy ground reduces the number of components on transmission chain.Structure overall compact reduces axial length, i.e. jib-length as far as possible.This
The operating rotational speed range of invention is wide, applied widely, can apply to many types of high revolving speed machinery plant capacity and extract in test.
Detailed description of the invention
Fig. 1 is that a kind of cantilever installation of the invention can schematic diagram after the device installation of high tachometric survey torque.
Fig. 2 be a kind of cantilever installation of the invention can high tachometric survey torque apparatus structure schematic diagram.
Fig. 3 is the side view of mounting bracket.
Fig. 4 is the main view of mounting bracket.
Fig. 5 is the top view of mounting bracket.
In figure: 1- alternating current generator；2- motor spline shaft 2；3- torque sensor rotor；4- motor spline shaft 1；5- card
Hoop；6- aircraft accessory casing motor mount；7- screw；8- torque sensor stator；9- bolt；10- bridging arrangement shell.
Specific embodiment
In conjunction with summary of the invention general introduction and attached drawing, the specific embodiment that the present invention will be described in detail.
A kind of installation of cantilever can high tachometric survey torque device, including the bridging arrangement shell being sheathed on motor spline shaft
Body 10, mounting bracket, motor spline shaft include motor spline shaft I 4 and motor spline shaft II 2 disconnected from each other；Bridging arrangement shell
Opening is offered on body 10, for measure the stator 8 of torque sensor of torque be set to opening in and by mounting bracket can
Dismantling connection is on bridging arrangement shell 10；The rotor 3 of torque sensor is set to motor spline shaft I 4 and motor spline shaft II 2
Between and be detachably connected respectively with motor spline shaft I 4 and motor spline shaft II 2 by screw 7, motor spline shaft I 4 is by torque
The rotor 3 of sensor is connected with aircraft accessory casing motor mount 6, and motor spline shaft II 2 is by the rotor 3 of torque sensor
It is connected with alternating current generator 1.
The section of the mounting bracket is L-type, passes through spiral shell with the stator of torque sensor 8 and bridging arrangement shell 10 respectively
Bolt 9 is detachably connected.
Mounting bracket is mutually fitted with the type face of 10 contact surface of bridging arrangement shell and the outer mold surface of bridging arrangement shell 10.
Motor spline shaft I 4 and motor spline shaft II 2 are coaxial.
Bridging arrangement shell both ends pass through clip 5 respectively and are connected with aircraft accessory casing motor mount 6, alternating current generator
It connects.
Motor spline shaft I 4 and motor spline shaft II 2 are all made of external splines structure.
Circular runout constraint is carried out to motor spline shaft I 4, motor spline shaft II 2 and bridging arrangement shell 10, and to spline
The rotor assembly that axis I 4, the rotor 3 of torque sensor and motor spline shaft II 2 form carries out dynamic balancing simulation analysis, guarantees bridge
Formula structure rotary balance.
Working principle is as follows: the component part of bridge-type bridging arrangement includes motor spline shaft II 2, motor spline shaft I 4, card
Bind round 5, screw 7, bolt 9, bridging arrangement shell 10.Power source is by motor spline shaft II 2 by power transfer to torque sensor
Rotor 3, torque transmission shaft is measured by torque sensor, data and signal are received and sent by the stator 8 of torque sensor.
The rotor 3 of torque sensing is by motor spline shaft II 2 by power transfer to alternating current generator 1.
Embodiment
(1) according to the structure and characteristic of torque sensor, design is suitable for the rotor flange installation side of torque sensor
Coupling Shaft, in attached drawing motor spline shaft II 2 by the rotor 3 of torque sensor be connected, motor spline shaft I 4 is by torque sensing
The transmission chain that the rotor 3 and 6 phase connection of aircraft accessory casing motor mount of device are grouped as is bridging arrangement, torque sensor
Rotor 3 without any other support, the motor spline shaft at both ends is overlapped on casing and alternating current generator 1, does not use bearing branch
Two motor spline shafts are supportted, the design span (rotor 3 containing torque sensor) of bridging arrangement is 183mm.
(2) according to power source and by the structure type of test specimen, the interface type of Coupling Shaft is selected, by motor spline shaft II 2
Be designed as external splines structure with the connection structure of motor spline shaft I 4, the design of both ends spline need to meet aircraft accessory casing and
The spline technical requirements of alternating current generator 1, fracture design protection is done on transmission shaft, and breakaway torque value is 107.5Nm.
(3) motor spline shaft I 4, motor spline shaft II 2 and bridging arrangement shell 10 are carried out carrying out geometric tolerance constraint,
Motor spline shaft I 4, motor spline shaft II 2 outside circle jitter values require within 0.012mm, 10 both ends of bridging arrangement shell
Circle jitter values require within 0.02mm.And to splined shaft I 4, torque sensor rotor 3 and motor spline shaft II 2 composition
Rotor assembly carries out the high revolving speed dynamic balance analysis under the conditions of undamped: after torque-measuring apparatus is mutually overlapped with rotor, shape
At a swivel-chain.The swivel-chain maximum (top) speed requires to reach 20000r/min.So being carried out with preceding to the rotor-support-foundation system
Rotor dynamics analysis.The dynamic balance of theoretical calculation rotating part.Critical turn of 1 rank undamped is analyzed by establishing rotator model
The fast vibration shape and 2 rank undamped critical speed vibration shape calculated results show that the rotor-bearing system can be before no destabilizing force source
Put normal operation.Rotor, switching device, torque sensor rotor total system can stablize fortune within the scope of 22000r/min
Row.
(4) by the axial length of rotatable parts and the examination analysis of motor intensity, bridging arrangement shell is designed, and design shell
The installation form at both ends, in attached drawing, two clips 5 respectively by bridging arrangement shell 10 and aircraft accessory casing mounting base 6, exchange
Generator is connected.The installation seam allowance of bridging arrangement shell 10 is having a size of 190/ φ 165 × 12 of φ.
(5) installation form for handling torque sensor stator optimizes bridge-type bridging arrangement and sets according to functional requirement
Meter is open to bridging arrangement shell 10, and increases mounting bracket, and torque sensor stator 8 is mounted on overlap joint knot by bolt 9
On structure shell 10, it is desirable that torque sensor stator 8 is not contacted with torque sensor rotor, and the two has respectively on axially and radially
Have the gap 1cm, on bridging arrangement shell 10 install speed probe guarantee 20000r/min revolving speed measurement, optimization motor with
The installation seam allowance of casing guarantees bridge-type bridging arrangement swivel-chain within the scope of requirement for dynamic balance.
Claims (7)
1. a kind of installation of cantilever can high tachometric survey torque device, it is characterised in that: including being sheathed on motor spline shaft
Bridging arrangement shell (10), mounting bracket, motor spline shaft include motor spline shaft I (4) and motor spline shaft disconnected from each other
Ⅱ(2)；Bridging arrangement shell offers opening on (10), and the stator (8) of the torque sensor for measuring torque is set to out
It is removably connected on bridging arrangement shell (10) in mouthful and by mounting bracket；The rotor (3) of torque sensor is set to electricity
It is between machine splined shaft I (4) and motor spline shaft II (2) and removable with motor spline shaft I (4) and motor spline shaft II (2) respectively
Unload connection.
2. a kind of cantilever installation as described in claim 1 can high tachometric survey torque device, it is characterised in that: the installation
The section of bracket is L-type, is detachably connected respectively with the stator of torque sensor (8) and bridging arrangement shell (10).
3. a kind of cantilever installation as claimed in claim 2 can high tachometric survey torque device, it is characterised in that: mounting bracket
It is mutually fitted with the type face of bridging arrangement shell (10) contact surface and the outer mold surface of bridging arrangement shell (10).
4. a kind of cantilever installation as described in claim 1 can high tachometric survey torque device, it is characterised in that: motor spline
Axis I (4) and motor spline shaft II (2) are coaxial.
5. a kind of cantilever installation as described in claim 1 can high tachometric survey torque device, it is characterised in that: bridging arrangement
Shell both ends pass through clip (5) respectively and are connected with aircraft accessory casing motor mount (6), alternating current generator.
6. a kind of cantilever installation as described in claim 1 can high tachometric survey torque device, it is characterised in that: motor spline
Axis I (4) and motor spline shaft II (2) are all made of external splines structure.
7. a kind of cantilever installation as described in claim 1 can high tachometric survey torque device, it is characterised in that: to motor flower
Key axis I (4), motor spline shaft II (2) and bridging arrangement shell (10) carry out geometric tolerance constraint, and to splined shaft I (4), torsion
The rotor assembly of rotor (3) and motor spline shaft II (2) composition of square sensor carries out dynamic balancing simulation analysis, guarantees bridge-type knot
Structure rotary balance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811266755.0A CN109655270B (en) | 2018-10-29 | 2018-10-29 | Device capable of measuring torque at high rotating speed by cantilever installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811266755.0A CN109655270B (en) | 2018-10-29 | 2018-10-29 | Device capable of measuring torque at high rotating speed by cantilever installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109655270A true CN109655270A (en) | 2019-04-19 |
| CN109655270B CN109655270B (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811266755.0A Active CN109655270B (en) | 2018-10-29 | 2018-10-29 | Device capable of measuring torque at high rotating speed by cantilever installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109655270B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005768A (en) * | 2019-11-21 | 2020-04-14 | 中国航发沈阳黎明航空发动机有限责任公司 | Electromagnetic counterweight device for rotor of aircraft engine |
| CN113740067A (en) * | 2021-09-06 | 2021-12-03 | 中国航发贵阳发动机设计研究所 | Aeroengine starting torque measuring device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213769U (en) * | 1987-09-29 | 1988-08-03 | 东北重型机械学院 | Assembling caliper type torque transducer |
| CN1100521A (en) * | 1993-09-16 | 1995-03-22 | 东北重型机械学院南校 | Stress-strain type torque transducer |
| CN204095128U (en) * | 2013-11-11 | 2015-01-14 | 必能信超声(上海)有限公司 | Torque detecting apparatus and comprise its vibration friction welding machine |
| CN106195034A (en) * | 2015-05-07 | 2016-12-07 | 贵州航空发动机研究所 | A kind of switching device of aviation power accessory drive |
| CN107328506A (en) * | 2016-11-09 | 2017-11-07 | 哈尔滨工业大学 | High-speed electric main shaft dynamometer machine and its application |
-
2018
- 2018-10-29 CN CN201811266755.0A patent/CN109655270B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213769U (en) * | 1987-09-29 | 1988-08-03 | 东北重型机械学院 | Assembling caliper type torque transducer |
| CN1100521A (en) * | 1993-09-16 | 1995-03-22 | 东北重型机械学院南校 | Stress-strain type torque transducer |
| CN204095128U (en) * | 2013-11-11 | 2015-01-14 | 必能信超声(上海)有限公司 | Torque detecting apparatus and comprise its vibration friction welding machine |
| CN106195034A (en) * | 2015-05-07 | 2016-12-07 | 贵州航空发动机研究所 | A kind of switching device of aviation power accessory drive |
| CN107328506A (en) * | 2016-11-09 | 2017-11-07 | 哈尔滨工业大学 | High-speed electric main shaft dynamometer machine and its application |
Non-Patent Citations (1)
| Title |
|---|
| 杨语: "航空发动机附件机匣传动齿轮失效分析研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005768A (en) * | 2019-11-21 | 2020-04-14 | 中国航发沈阳黎明航空发动机有限责任公司 | Electromagnetic counterweight device for rotor of aircraft engine |
| CN113740067A (en) * | 2021-09-06 | 2021-12-03 | 中国航发贵阳发动机设计研究所 | Aeroengine starting torque measuring device |
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| Publication number | Publication date |
|---|---|
| CN109655270B (en) | 2021-06-22 |
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