CN109781343A - A kind of gravity center measurement device - Google Patents
A kind of gravity center measurement device Download PDFInfo
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- CN109781343A CN109781343A CN201910252726.7A CN201910252726A CN109781343A CN 109781343 A CN109781343 A CN 109781343A CN 201910252726 A CN201910252726 A CN 201910252726A CN 109781343 A CN109781343 A CN 109781343A
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- girder
- tension sensor
- measured
- center
- gravity
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Abstract
The present invention relates to a kind of gravity center measurement device, an embodiment of described device includes: girder and the multiple tension sensors for being mounted on girder different location；Wherein, when measurement, object to be measured is suspended on girder by two in the multiple tension sensor, obtains object to be measured in the center of gravity data of girder extending direction.The embodiment can quickly and accurately measure the one-dimensional center of gravity data of various targets.
Description
Technical field
The present invention relates to fields of measurement more particularly to a kind of gravity center measurement devices.
Background technique
Determine that the center of gravity of object has vital meaning in engineering, existing center of gravity measuring method is predominantly hung
Method.That is, a piece hoist cable of object to be measured is suspended in midair, the center of gravity of target is on the vertical extended line of hoist cable at this time, by repeatedly measuring
Available center of gravity data.
When measuring target property, need for target to be placed on foam stand or metallic support top surface, it is accurate to need before measurement
The center of gravity data of master goal prevents from leading to that target is fallen or target barycentric is in Plane of rotation beyond cradle top surface because of center of gravity
On projection be not overlapped with rotation center bracket caused to damage.When indoor field measurement, partial target is large complicated target, can not
It is only hung with a hoist cable, is difficult to be measured with suspension method at this time.
Field measurement field indoors, partial target have axisymmetric shape, generally only need to guarantee that the center of gravity of target is turning
Projection in platform plane is overlapped with rotation center, therefore need to only obtain the one-dimensional position of centre of gravity of target (i.e. in the weight of assigned direction
Calculation evidence).In the prior art, target barycentric is estimated often through experienced person, suspension method is employed many times later
Position of centre of gravity is measured, consuming time is long for this method, low precision and can not be widely applied.
Summary of the invention
The technical problem to be solved by the present invention is accurately measuring various targets under the premise of not being available conventional suspension method
The one-dimensional center of gravity data of (including large complicated target, target in irregular shape etc.).
In order to solve the above-mentioned technical problems, the present invention provides a kind of gravity center measurement devices.
The gravity center measurement device of the embodiment of the present invention can include: girder and the multiple pulling force for being mounted on girder different location
Sensor；Wherein, when measurement, object to be measured is suspended on girder by two in the multiple tension sensor, obtain to
Target is surveyed in the center of gravity data of girder extending direction.
Preferably, described device can further comprise: for girder to be suspended on to the hoist cable of suspension centre.
Preferably, one end of the tension sensor is fixedly connected with girder, and the other end is for connecting object to be measured.
Preferably, described device can further comprise: for connecting the suspender belt of tension sensor and object to be measured.
Preferably, described device can further comprise: for determining object to be measured according to the measuring signal of tension sensor
The controller of center of gravity data.
Preferably, controller and the tension sensor are electrically connected.
Preferably, described device can further comprise: for showing the display for measuring obtained center of gravity data.
Preferably, display and controller are electrically connected.
Preferably, erection of main beam has 6 tension sensors, and the tension sensor is S type tension sensor.
Preferably, the tension sensor is provided with the hook for connecting suspender belt, the drawing in one end away from girder
Force snesor is threadedly coupled with girder, and the tension sensor is threadedly coupled with hook.
In the technical solution of the embodiment of the present invention, by assembling multiple tension sensors on girder, in measurement target
When center of gravity, suitable hitch point is selected, object to be measured is hung two tension sensor lower ends, tension sensor is measured
Controller is sent to after signal, controller can calculate the position of centre of gravity of object to be measured according to measuring signal, and utilize liquid crystal
Screen will come out as the result is shown.Gravity center measurement device provided by the invention improves the measurability for large complicated target,
Precision is high simultaneously, speed is fast, method is simple, easy to spread.
Detailed description of the invention
Fig. 1 is the component part schematic diagram of the gravity center measurement device of the embodiment of the present invention.
Description of symbols:
10 --- girder, 11 --- tension sensor, 12 --- hoist cable, 13 --- suspender belt, 14 --- display, 15 ---
Suspension centre, 20 --- object to be measured
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 is the component part schematic diagram of the gravity center measurement device of the embodiment of the present invention.As shown in Figure 1, the present invention is implemented
The gravity center measurement device of example can include: girder 10 and the multiple tension sensors 11 for being mounted on 10 different location of girder.Specifically
Ground, one end of each tension sensor 11 are fixed on girder 10, and the other end is connect with object to be measured 20.In practical application, pulling force
Sensor 11 can be connect by hook (not shown) with object to be measured 20 away from one end of girder 10, tension sensor 11 and
The connection type of girder 10 and hook can be threaded connection.
In concrete scene, girder 10 can be suspended on suspension centre 15 by hoist cable 12, and the hook of 11 lower section of tension sensor can lead to
Two flexible suspender belts 13 are crossed to connect with object to be measured 20.Tension sensor 11 can be more common S type tension sensor, survey
When amount, two on girder 10 tension sensors 11 is needed to connect with object to be measured 20.
In embodiments of the present invention, gravity center measurement device may also include the controller being electrically connected with tension sensor 11
(not shown) and the display 14 being electrically connected with controller.Wherein, controller is used for according to tension sensor 11
Measuring signal calculates the center of gravity data of target, and display 14 is for showing the result that controller calculates.On it is appreciated that
Stating electric connection can be wired connection, be also possible to be wirelessly connected.
In actual measurement scene, first choose two suitable tension sensors 11, by object to be measured 20 pass through this two
A tension sensor 11 is suspended on girder 10, and after target is stablized, controller obtains the measuring signal that tension sensor 11 is sent,
The size for reading measuring signal obtains value of thrust, and value of thrust is corresponding with tension sensor 11, finally calculate according to the following formula to
Target 20 is surveyed in the center of gravity data of 10 extending direction of girder.
Do=Dx+ [Fy* (Dy-Dx)/(Fx+Fy)]
In above formula, Fx is the value of thrust of the first tension sensor in above-mentioned two tension sensor, and Fy is above-mentioned two
The value of thrust of second tension sensor in tension sensor, Dx be the first tension sensor installation site to girder one end away from
From Dy is the installation site of the second tension sensor to the distance at the girder end, and Do is in girder extending direction, object to be measured weight
The heart is to the distance at the girder end, the i.e. one-dimensional center of gravity data of object to be measured.
After obtaining calculated result, controller sends the result to display 14 and is shown, completes mesh to be measured in this way
The one-dimensional center of gravity measurement of mark 20.
In one embodiment, girder is having a size of hollow structure, and the length is two meters, width and height are 0.1 meter,
On 6 S type tension sensors are installed.This distance of six tension sensors apart from girder one end is respectively as follows: 0.2 meter, 0.5
Rice, 0.8 meter, 1.2 meters, 1.5 meters, 1.8 meters, the range of tension sensor are 500 kilograms, and tension sensor upper end passes through with girder
The screw hole of M16*2 connects, and lower end is connect with hook also by the screw hole of M16*2.Controller is powered by 12V DC, 6 pulling force
Sensor is respectively connected to 6 input end of analog signal of controller, and display is connected to the output port of controller.
In conclusion in the technical solution of the embodiment of the present invention, by assembling multiple tension sensors on girder,
When measuring target barycentric, suitable hitch point is selected, object to be measured is hung in two tension sensor lower ends, tension sensor
It obtaining being sent to controller after measuring signal, controller can calculate the position of centre of gravity of object to be measured according to measuring signal, and
It will be come out as the result is shown using LCD screen.Gravity center measurement device provided by the invention improve for large complicated target can
Measurement property, while precision is high, speed is fast, method is simple, easy to spread.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of gravity center measurement device characterized by comprising girder and the multiple pulling force for being mounted on girder different location pass
Sensor；Wherein,
When measurement, object to be measured is suspended on girder by two in the multiple tension sensor, object to be measured is obtained and exists
The center of gravity data of girder extending direction.
2. the apparatus according to claim 1, which is characterized in that described device further comprises: for girder to be suspended on
The hoist cable of suspension centre.
3. the apparatus of claim 2, which is characterized in that one end of the tension sensor is fixedly connected with girder,
The other end is for connecting object to be measured.
4. device according to claim 3, which is characterized in that described device further comprises: for connecting pull sensing
The suspender belt of device and object to be measured.
5. device according to claim 4, which is characterized in that described device further comprises: for according to pull sensing
The measuring signal of device determines the controller of object to be measured center of gravity data.
6. device according to claim 5, which is characterized in that controller and the tension sensor are electrically connected.
7. device according to claim 6, which is characterized in that described device further comprises: for showing that measurement obtains
Center of gravity data display.
8. device according to claim 7, which is characterized in that display and controller are electrically connected.
9. device according to claim 8, which is characterized in that erection of main beam has 6 tension sensors, the pull sensing
Device is S type tension sensor.
10. device according to claim 9, which is characterized in that the tension sensor is arranged in one end away from girder
There is the hook for connecting suspender belt, the tension sensor is threadedly coupled with girder, and the tension sensor and hook screw thread connect
It connects.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910252726.7A CN109781343A (en) | 2019-03-29 | 2019-03-29 | A kind of gravity center measurement device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910252726.7A CN109781343A (en) | 2019-03-29 | 2019-03-29 | A kind of gravity center measurement device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076865A (en) * | 2019-12-12 | 2020-04-28 | 深圳联合飞机科技有限公司 | Longitudinal gravity center measuring method and device of coaxial helicopter |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014085256A (en) * | 2012-10-24 | 2014-05-12 | Mitsubishi Heavy Industries Machinery Technology Corp | Apparatus, method and program for detection of barycentric position |
| KR101652222B1 (en) * | 2014-10-30 | 2016-08-30 | 한국항공우주연구원 | Mass properties measuring apparatus |
| WO2016149823A1 (en) * | 2015-03-23 | 2016-09-29 | Mirshafiei Farshad | Seismic response assessment of man-made structures |
| CN106768635A (en) * | 2016-12-20 | 2017-05-31 | 中国海洋大学 | Submarine navigation device centre of buoyancy measuring method |
| CN108458772A (en) * | 2018-06-04 | 2018-08-28 | 彩虹无人机科技有限公司 | The measuring table and method of a kind of guided missile quality and axial barycenter |
| US20180345105A1 (en) * | 2017-06-06 | 2018-12-06 | Technorama Co., Ltd. | Mechanical Static and Dynamic Measuring Device Based on a Compound Cantilevered System |
| CN109072879A (en) * | 2016-03-01 | 2018-12-21 | 维斯塔斯风力系统有限公司 | Method and apparatus for weighing to slender body |
| CN109115405A (en) * | 2018-09-25 | 2019-01-01 | 苏州长菱测试技术有限公司 | A kind of centroid measurement method |
-
2019
- 2019-03-29 CN CN201910252726.7A patent/CN109781343A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014085256A (en) * | 2012-10-24 | 2014-05-12 | Mitsubishi Heavy Industries Machinery Technology Corp | Apparatus, method and program for detection of barycentric position |
| KR101652222B1 (en) * | 2014-10-30 | 2016-08-30 | 한국항공우주연구원 | Mass properties measuring apparatus |
| WO2016149823A1 (en) * | 2015-03-23 | 2016-09-29 | Mirshafiei Farshad | Seismic response assessment of man-made structures |
| CN109072879A (en) * | 2016-03-01 | 2018-12-21 | 维斯塔斯风力系统有限公司 | Method and apparatus for weighing to slender body |
| CN106768635A (en) * | 2016-12-20 | 2017-05-31 | 中国海洋大学 | Submarine navigation device centre of buoyancy measuring method |
| US20180345105A1 (en) * | 2017-06-06 | 2018-12-06 | Technorama Co., Ltd. | Mechanical Static and Dynamic Measuring Device Based on a Compound Cantilevered System |
| CN108458772A (en) * | 2018-06-04 | 2018-08-28 | 彩虹无人机科技有限公司 | The measuring table and method of a kind of guided missile quality and axial barycenter |
| CN109115405A (en) * | 2018-09-25 | 2019-01-01 | 苏州长菱测试技术有限公司 | A kind of centroid measurement method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076865A (en) * | 2019-12-12 | 2020-04-28 | 深圳联合飞机科技有限公司 | Longitudinal gravity center measuring method and device of coaxial helicopter |
| CN111076865B (en) * | 2019-12-12 | 2022-07-19 | 深圳联合飞机科技有限公司 | Longitudinal gravity center measuring method and device of coaxial helicopter |
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Application publication date: 20190521 |