CN105699013B - Aircraft centre of gravity position measuring device and its method - Google Patents
Aircraft centre of gravity position measuring device and its method Download PDFInfo
- Publication number
- CN105699013B CN105699013B CN201610209369.2A CN201610209369A CN105699013B CN 105699013 B CN105699013 B CN 105699013B CN 201610209369 A CN201610209369 A CN 201610209369A CN 105699013 B CN105699013 B CN 105699013B
- Authority
- CN
- China
- Prior art keywords
- travelling
- lifting platform
- disk
- steel ball
- plate
- Prior art date
- 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 - Fee Related
Links
- 230000005484 gravity Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title description 5
- 238000005259 measurement Methods 0.000 claims abstract description 38
- 238000004441 surface measurement Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 238000000205 computational method Methods 0.000 claims description 3
- 238000000691 measurement method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000005303 weighing Methods 0.000 abstract description 8
- 239000007787 solid Substances 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000004364 calculation method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- G01M1/12—Static balancing; Determining position of centre of gravity
- G01M1/122—Determining position of centre of gravity
- G01M1/125—Determining position of centre of gravity of aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Balance (AREA)
Abstract
The invention discloses a kind of aircraft centre of gravity position measuring device, including travelling disk, lifting platform and Weight measurement device, described travelling disk are fixed at the top of lifting platform, moved up and down with lifting platform；At least one in travelling disk is used for the sliding equipment for supporting aircraft surface measurement point, and the mechanism still has horizontal free sliding degree when being adjacent to measurement point.Described Weight measurement device is connected with lifting platform, for being measured to the weight supported on lifting platform.Said apparatus is counted according to measurement, and some covering devices are supported the use together.In use, making travelling disk be close to airborne vehicle measurement point by lifting platform, the gravity for recycling Weight measurement device to carry the disk that moves about measures.The present invention more can easily realize the check weighing heart task of weighing of object, solve due to that can not ensure multiple spot while upper title when weighing, caused break away compresses and rubs against the influence of power, even more substantially increase weighing precision, solid foundation is provided to accurate trim.
Description
Technical background
The present invention relates to the measure of object position of centre of gravity, more particularly to a kind of aircraft centre of gravity position measuring device and its side
Method.
Background technology
Center of gravity trim is the important process before aircraft.Stability that the position of centre of gravity of airborne vehicle flies to it and
Security is extremely important.For the airborne vehicle using rocket assist transmitting, its position of centre of gravity more has pass to rocket assist process
The influence of key.
The position of centre of gravity of airborne vehicle is determined, then after needing multimetering, then is calculated.And multimetering is not then due to can
Ensure that multiple spot is simultaneously upper to claim, the measurement point sideslip extruding of airborne vehicle can be caused and produce larger frictional force, have a strong impact on measurement
Precision.Traditional much center of gravity measurement equipment, the low precision of cost are poor；And the cost height that precision is higher, realize
It is complicated.Patent of invention such as Application No. CN201410687125.6 discloses a kind of aircraft weight and center of gravity and intelligently determined
Instrument, including preceding wheel electronic scale, main wheel electronic scale, hoistable platform, laser ranging unit, display and control unit, display and control unit collection
Preceding wheel electronic scale and main wheel electronic scale and laser ranging cell data carry out weight and center of gravity calculation and then shown.The dress
Although center of gravity measurement can be realized by putting, it involves great expense, and is unfavorable for promoting the use of.
The content of the invention
It is an object of the invention to solve problems of the prior art, and provide a kind of aircraft centre of gravity position finding
Device.
For achieving the above object, the technical solution adopted by the present invention is as follows：
Aircraft centre of gravity position measuring device, including travelling disk, lifting platform and Weight measurement device, described travelling disk are consolidated
At the top of lifting platform, moved up and down with lifting platform；At least one in travelling disk is used to support aircraft surface measurement point
Sliding equipment, the mechanism still have horizontal free sliding degree when being adjacent to measurement point.Described Weight measurement device and lifting
Platform is connected, for being measured to the weight supported on lifting platform.
Said apparatus is counted according to measurement, and some covering devices are supported the use together.In use, make to move about by lifting platform
Disk is close to airborne vehicle measurement point, and the gravity for recycling Weight measurement device to carry the disk that moves about measures.Wherein travelling disk
For critical component, for supporting airborne vehicle measurement point, sliding equipment major function thereon is to eliminate to break away to influence, and elimination rubs
Power is wiped, improves measurement accuracy.
Preferably, described travelling disk includes base, steel ball fixed disk, steel ball, travelling plate and upper cover plate, described steel
Pearl fixed disk is fixed in base, and steel ball fixed disk is provided with the circular hole of several placement steel balls, and steel ball can rotate in circular hole.
Travelling plate is positioned over above steel ball, and travelling plate is only capable of or not spacing perpendicular to the direction of steel ball fixed disk by upper cover plate
Same steel ball pinpoints to be slided on formed surface.It is higher than upper cover plate at the top of travelling plate., can be to stress after travelling plate lateral force
Direction translates, and the sideslip for eliminating measurement point compresses and rubs against power.
Preferably, having a bulge-structure on described travelling plate body, it is higher than upper cover plate at the top of bulge-structure, and
Space distance between upper cover plate and travelling plate, which is set, should meet to will not fall off when travelling plate slides into extreme position.
Preferably, described lifting platform is fixed at the top of Weight measurement device, and supported by mounting bracket, mounting bracket bottom
Provided with the adjusting base for adjusting level height.
Another object of the present invention is to provide a kind of aircraft centre of gravity position measurement method using described device, step
It is as follows：
Described aircraft centre of gravity position measuring device is placed on below the measurement point of airborne vehicle, and made at high-precision title
In horizontality；Slowly regulation lifting platform, airborne vehicle is risen, disengage it from airborne vehicle rack and keep hanging；Swashed using level
Light instrument corrects aircraft states, coordinates lifting platform, airborne vehicle is in horizontality；During regulation, made using travelling disk
Described sliding equipment slides as measurement point is horizontal, eliminates break away extruding and frictional force；When airborne vehicle is in horizontality,
Read the reading claimed in high precision；After completing to the reading of different measurement points, determine that aviation is thought highly of according to position of centre of gravity computational methods
Heart position.
Compared with prior art, the invention has the advantages that：
The present invention more can easily realize the check weighing heart task of weighing of object, and cost of implementation is relatively low, and step is easy, the time
It is short, efficiency high.Which solves, due to that can not ensure multiple spot while above claim, caused sideslip compresses and rubs against power when weighing
Influence, even more substantially increase weighing precision, solid foundation provided to accurate trim, can be applied to unmanned plane transmitting or its
His vehicle launch field.
Brief description of the drawings
A kind of aircraft centre of gravity position measuring device structural representations of Fig. 1；
Fig. 2 is the structural representation of the travelling disk of the present invention；
In figure：Travelling disk 1, lifting platform 2, Weight measurement device 3, mounting bracket 4, adjusting base 5, base 101, steel ball are solid
Price fixing 102, steel ball 103, travelling plate 104 and upper cover plate 105.
Embodiment
The present invention is further elaborated and illustrated with reference to the accompanying drawings and examples.Each embodiment in the present invention
Technical characteristic can carry out respective combination on the premise of not colliding with each other.
As shown in figure 1, a kind of aircraft centre of gravity position measuring device, the agent structure of the device includes travelling disk 1, lifting
Platform 2 and Weight measurement device 3.Weight measurement device 3 should select high-precision scale.Travelling disk 1 is fixed on the top of lifting platform 2, with liter
Drop platform 2 moves up and down.Weight measurement device 3 is connected with lifting platform 2, for being measured to the weight supported on lifting platform 2.Trip
At least one in Moving plate 1 is used to supporting the sliding equipment of aircraft surface measurement point, the mechanism when being adjacent to measurement point still
With horizontal free sliding degree.Horizontal free sliding degree herein refers in parallel with aircraft surface or approximately parallel direction
On can move.Thereby, it is possible to eliminate the frictional force under airborne vehicle sideslip squeezed state.
In present embodiment, as shown in Fig. 2 the travelling structure of disk 1 includes base 101, steel ball fixed disk 102, steel ball
103rd, move about plate 104 and upper cover plate 105.Base 101 is cylindric in uncovered, and steel ball fixed disk 102 is fixed in base 101.Steel
Pearl fixed disk 102 is provided with the circular hole of multiple rows of placement steel ball 103.The diameter of circular hole is slightly larger than steel ball 103, and steel ball 103 can be in circle
Freely rotated in hole.Travelling plate 104 is positioned over the top of steel ball 103, and the surface of plate 104 of moving about is smooth, and can suitably apply lubricating oil；.
Upper cover plate 105 is fixed on the top of base 101, for annular shape, top has one for the bottom of plate 104 of moving about in annular shape
Individual raised disc structure, bulge-structure top are higher than upper cover plate 105, directly can contacted with aircraft surface.Upper lid
The internal diameter of plate 105 is more than raised disc structure but less than the external diameter of the travelling bottom of plate 104.Thus, upper cover plate 105 and travelling plate
Space distance between 104 can make travelling plate 104 will not when sliding into extreme position (disc structure and upper cover plate edge are close)
Come off.By upper cover plate 105 spacing on the direction of steel ball fixed disk 102, travelling plate 104 is set to be only capable of different
Steel ball 103 pinpoints to be slided on formed surface.
The structure of above-mentioned travelling disk 1 is only a kind of preferred embodiment that can be realized, it will be appreciated by those skilled in the art that its
Remaining set-up mode can also realize the function.
In present embodiment, in order to which installation and adjustment are convenient, Weight measurement device 3 is fixed on the bottom of lifting platform 2, and by
Mounting bracket 4 supports, and the bottom of mounting bracket 4 is provided with the adjusting base 5 for being used for adjusting level height, and by adjusting up and down, regulation is high-precision
Degree claims 3 horizontality.
It is as follows using the aircraft centre of gravity position measurement method of described device, step based on said apparatus：
Place an aircraft centre of gravity position measuring device respectively below the measurement point of different airborne vehicles, and make high-precision
Degree claims 3 to be in horizontality；Slowly regulation lifting platform 2, airborne vehicle is risen, disengage it from airborne vehicle rack and keep hanging；Profit
Aircraft states are corrected with horizontal laser light instrument, coordinates lifting platform 2, airborne vehicle is in horizontality；During regulation, utilize
Travelling disk 1 makes sliding equipment be slided as measurement point is horizontal, eliminates break away extruding and frictional force；When airborne vehicle is in horizontality
When, read the reading that high accuracy claims 3；After completing to the reading of different measurement points, aviation is determined according to position of centre of gravity computational methods
Device position of centre of gravity.
Embodiment described above is a kind of preferable scheme of the present invention, and so it is not intended to limiting the invention, all
The technical scheme for taking the mode of equivalent substitution or equivalent transformation to be obtained, all falls within protection scope of the present invention.
Claims (2)
1. a kind of aircraft centre of gravity position measuring device, it is characterised in that including the disk that moves about（1）, lifting platform（2）Determined with weight
Device（3）, described travelling disk（1）It is fixed on lifting platform（2）Top, with lifting platform（2）Move up and down；Travelling disk（1）In extremely
Rare one sliding equipment for being used to support aircraft surface measurement point, the mechanism still have horizontal sliding when being adjacent to measurement point
The dynamic free degree；Described Weight measurement device（3）With lifting platform（2）It is connected, for lifting platform（2）The weight of upper support is carried out
Measure；
Described travelling disk（1）Including base（101）, steel ball fixed disk（102）, steel ball（103）, travelling plate（104）With upper lid
Plate（105）, described steel ball fixed disk（102）It is fixed on base（101）In, steel ball fixed disk（102）Put provided with several
Put steel ball（103）Circular hole, steel ball（103）It can be rotated in circular hole；Travelling plate（104）It is positioned over steel ball（103）Top, and by
Upper cover plate（105）Perpendicular to steel ball fixed disk（102）Direction it is spacing, make travelling plate（104）It is only capable of in different steel balls
（103）Fixed point is slided on formed surface；Travelling plate（104）Top is higher than upper cover plate（105）；
Described travelling plate（104）There is a bulge-structure on body, be higher than upper cover plate at the top of bulge-structure（105）, and on
Cover plate（105）With travelling plate（104）Between space distance set and should meet travelling plate（104）Will not when sliding into extreme position
Come off；
Described lifting platform（2）It is fixed on Weight measurement device（3）Top, and by mounting bracket（4）Support, mounting bracket（4）Bottom
Provided with the adjusting base for adjusting level height（5）.
2. a kind of aircraft centre of gravity position measurement method using device as claimed in claim 1, it is characterised in that step is such as
Under：
Place the aircraft centre of gravity position measuring device described in one respectively below the different measurement point of airborne vehicle, pass through regulation
Base（5）Make Weight-measuring device（3）In horizontality；Slowly regulation lifting platform（2）, airborne vehicle is risen, disengages it from navigating
Pocket rack keeps hanging；Aircraft states are corrected using horizontal laser light instrument, coordinate lifting platform（2）, airborne vehicle is in water
Level state；During regulation, travelling disk is utilized（1）Described sliding equipment is slided as measurement point is horizontal, eliminate and break away
Extruding and frictional force；When airborne vehicle is in horizontality, Weight-measuring device is read（3）Reading；Complete to different measurements
After the reading of point, aircraft centre of gravity position is determined according to position of centre of gravity computational methods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610209369.2A CN105699013B (en) | 2016-04-05 | 2016-04-05 | Aircraft centre of gravity position measuring device and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610209369.2A CN105699013B (en) | 2016-04-05 | 2016-04-05 | Aircraft centre of gravity position measuring device and its method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105699013A CN105699013A (en) | 2016-06-22 |
| CN105699013B true CN105699013B (en) | 2018-02-06 |
Family
ID=56218322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610209369.2A Expired - Fee Related CN105699013B (en) | 2016-04-05 | 2016-04-05 | Aircraft centre of gravity position measuring device and its method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105699013B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2463567C1 (en) * | 2011-04-28 | 2012-10-10 | Открытое акционерное общество "Летно-исследовательский институт имени М.М. Громова" | System for determining position of centre of gravity of aircraft before take-off |
| CN202994370U (en) * | 2012-08-30 | 2013-06-12 | 广州汽车集团股份有限公司 | Testing host |
| CN103292957A (en) * | 2013-05-22 | 2013-09-11 | 北京航空航天大学 | Comprehensive mass parameter measuring table of small-size aircraft |
| CN103471693A (en) * | 2013-09-26 | 2013-12-25 | 中航通飞华南飞机工业有限公司 | Automatic universal plane weighing system and control method thereof |
| CN104390687A (en) * | 2014-11-26 | 2015-03-04 | 江西洪都航空工业集团有限责任公司 | Intelligent tester for weight and center of gravity of aircraft |
| CN205719404U (en) * | 2016-04-05 | 2016-11-23 | 浙江大学 | A kind of aircraft centre of gravity position measuring device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08170935A (en) * | 1994-12-19 | 1996-07-02 | Hitachi Ltd | Device and method for measuring center of gravity of vehicle body |
| JP4523900B2 (en) * | 2005-09-13 | 2010-08-11 | 三菱重工業株式会社 | Mass characteristic measurement device |
-
2016
- 2016-04-05 CN CN201610209369.2A patent/CN105699013B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2463567C1 (en) * | 2011-04-28 | 2012-10-10 | Открытое акционерное общество "Летно-исследовательский институт имени М.М. Громова" | System for determining position of centre of gravity of aircraft before take-off |
| CN202994370U (en) * | 2012-08-30 | 2013-06-12 | 广州汽车集团股份有限公司 | Testing host |
| CN103292957A (en) * | 2013-05-22 | 2013-09-11 | 北京航空航天大学 | Comprehensive mass parameter measuring table of small-size aircraft |
| CN103471693A (en) * | 2013-09-26 | 2013-12-25 | 中航通飞华南飞机工业有限公司 | Automatic universal plane weighing system and control method thereof |
| CN104390687A (en) * | 2014-11-26 | 2015-03-04 | 江西洪都航空工业集团有限责任公司 | Intelligent tester for weight and center of gravity of aircraft |
| CN205719404U (en) * | 2016-04-05 | 2016-11-23 | 浙江大学 | A kind of aircraft centre of gravity position measuring device |
Non-Patent Citations (2)
| Title |
|---|
| 飞机重量重心测量方法研究;姜店祥等;《教练机》;20111231(第3期);第47-52页 * |
| 飞行器模型质量特性参数一体化测量装置研究;陈平等;《机械科学与技术》;20151231;第34卷(第12期);第1891-1895页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105699013A (en) | 2016-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101413840B (en) | Device and method for measuring object mass center | |
| CN105784237B (en) | A kind of Micro-thrust test system and method | |
| CN104571111B (en) | Method for testing outdoor environment sensing capability of mobile robot | |
| CN103869834A (en) | Intelligent adjustment method for mass center of three-axis air bearing table based on empirical mode method | |
| CN101666738B (en) | Photoelectric friction coefficient tester | |
| CN205209615U (en) | Controllable formula aircraft weighting device | |
| CN110500238B (en) | Method and device for determining vibration displacement of tower top of wind generating set | |
| CN203745050U (en) | Detection and verification platform for automatic water level gauge | |
| CN108709956B (en) | Method and equipment for measuring atmospheric parameters based on falling ball positioning information | |
| CN105136418B (en) | Micro- disturbance torque simulation system vibration characteristics device for testing and analyzing | |
| CN210465475U (en) | Velocity measurement unmanned aerial vehicle | |
| CN105699013B (en) | Aircraft centre of gravity position measuring device and its method | |
| CN205719404U (en) | A kind of aircraft centre of gravity position measuring device | |
| CN203786967U (en) | Kinetic friction coefficient measuring and weightlessness and overweight demonstrating apparatus | |
| KR101755514B1 (en) | Apparatus for calculating pitch angle of vehicle and method thereof | |
| CN105738964A (en) | Marine gravimeter table body stabilization device and method | |
| CN113155393A (en) | Air-drop buffering air bag test device | |
| CN207758803U (en) | A kind of track automatic measurement vehicle with sensor combinations | |
| CN102072796A (en) | Solar battery array dynamic-measurement system | |
| CN106595495A (en) | Optical displacement measurement system | |
| CN202331997U (en) | Energy conservation demonstrator | |
| CN111707414B (en) | Weighbridge type large heavy aircraft mass and mass center measuring device and method | |
| CN101697016B (en) | Central through hole falling body mass block | |
| CN205280389U (en) | Measure airborne equipment of aircraft tire decrement | |
| CN201476911U (en) | Machine for testing bending and distortion of insulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 Termination date: 20200405 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |