CN203053640U - An integrated measuring device capable of measuring the mass static moment and the center of gravity of the blade of an unmanned helicopter - Google Patents
An integrated measuring device capable of measuring the mass static moment and the center of gravity of the blade of an unmanned helicopter Download PDFInfo
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- CN203053640U CN203053640U CN2012207410465U CN201220741046U CN203053640U CN 203053640 U CN203053640 U CN 203053640U CN 2012207410465 U CN2012207410465 U CN 2012207410465U CN 201220741046 U CN201220741046 U CN 201220741046U CN 203053640 U CN203053640 U CN 203053640U
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Abstract
The utility model discloses an integrated measuring device capable of measuring the mass static moment and the center of gravity of the blade of an unmanned helicopter. The integrated measuring device is mainly used for measuring the mass static moment and the center of gravity of the composite material rotor wing blade and the tail blade of the unmanned helicopter. The integrated measuring device comprises small trolleys, guide rails, knife blades, an electronic scale, fixed connecting platens, and a movable connecting platen. The integrated measuring device capable of measuring the mass static moment and the center of gravity of the blade of an unmanned helicopter has characteristics of high precision, good positioning, easy manipulation, and high efficiency. The measurement of the mass static moment and the center of gravity can be completed at one time and second installation and debugging are not required. Blades with different length can be measured by adjusting the position of the movable platen.
Description
Technical field
The utility model relates to a kind of depopulated helicopter rotor blade quality static moment and center of gravity measurement device, be mainly used in quality static moment and the center of gravity measurement of depopulated helicopter compound substance rotor blade and tail-rotor leaf.
Background technology
The quality static moment is the important indicator of reflection depopulated helicopter main rotor and tail rotor centrifugal force balance.Traditional manual measurement quality static moment method, interference from human factor is big, and each benchmark of measuring has error, and repeatability is bad; And tangential, exhibition need make up different testing tables to the quality static moment with center of gravity, measures time-consumingly, and efficient is low.The measurement of main rotor blades and tail-rotor leaf needs different measurement mechanisms.
Summary of the invention
The purpose of this utility model is to provide a kind of device of measuring depopulated helicopter rotor blade and tail-rotor leaf quality static moment and center of gravity at the deficiency of above-mentioned measurement, this device is simple to operate, easy for installation, error is less, the measurement efficient height of quality static moment and center of gravity, the blade length scope of measuring is wide, and main rotor blades and tail-rotor leaf can share a measurement mechanism.
A kind of depopulated helicopter rotor blade quality static moment of the present utility model and center of gravity measurement device are to take following technical scheme to realize:
A kind of depopulated helicopter rotor blade quality static moment and center of gravity measurement device comprise measured depopulated helicopter blade, small handcart one, small handcart two, two long tracks, electronic scales, slip platen, left blade, right blades, fixedly connected platen one, fixedly connected platen two, fixedly connected platen three and support column.
One end of two long tracks links to each other with small handcart one by fixedly connected platen two, and the other end of two long tracks links to each other with small handcart two by fixedly connected platen three; Right blade is fixedly arranged above the slip platen, and slide at two guide rails by sliding bearing; Electronic scales is fixed on the fixedly connected platen one, and this fixedly connected platen one is connected on the fixedly connected platen two by four support columns, and fixedly connected platen one and fixedly connected platen two can stagger fixing mutually and be connected, thereby can increase measurement range; Left side blade is fixed on the electronic scales by screw, and the level height of the point of a knife of left blade and right blade is consistent.Lying in a horizontal plane on left blade and the right blade of measured depopulated helicopter rotor blade, blade root is placed on the left blade, 10 millimeters apart from the blade root end on left side blade, blade tip is placed on the right blade, 10 millimeters apart from the blade tip end on right blade, read qualitative data from electronic scales, measure distance and the blade weight of two blades, just can obtain center of gravity and the quality static moment of blade.
Described small handcart one top arranges the left side and has the handle fixed connecting plate.Described small handcart 23 tops arrange the right and have the handle fixed connecting plate.
Described small handcart one and small handcart two return pulleys are provided with micromatic setting.
The lower left corner is provided with level meter on the described electronic scales.
Described depopulated helicopter rotor blade quality static moment and center of gravity measurement principle are as described below:
Blade is propped with two strong point levels, measured the distance of the strong point
Anchorage force with a strong point
And blade quality
, according to principle of moment balance, obtain center of gravity and static moment is shown below:
In the formula,
Distance for another strong point of blade center of gravity square;
According to the difference of blade support point can measure respectively blade exhibition to tangential center of gravity and static moment.
Because fixedly connected platen one, fixedly connected platen two and the platen three of fixedlying connected the are uniform according to certain rules hole of standard, rail plate on the fixedly connected platen three and on the small handcart one up and down fixedly connected platen one with fixedly connected platen two, the connection of can staggering between two blocks of platens, thereby can satisfy the measurement demand of different blade lengths, the depopulated helicopter blade length scope of the utility model measurement device is:
The measuring method of a kind of depopulated helicopter rotor blade quality static moment and center of gravity measurement device, carry out as follows:
1, fixation measuring device.The return pulley of small handcart and small handcart is transferred to liftoff, the firm banking support platform is landed, guarantee two go-carts fix on the ground be difficult for mobile.
2, regulate the levelness of small handcart one and small handcart two.The height (micromatic setting is arranged on the return pulley) of fine setting firm banking guarantees small handcart one and fixedlys connected the platen level above the small handcart two, measures with surveyor's staff.
3, regulate the levelness of electronic scales.The height of four support columns by fine setting electronic scales base transfers to level with the scale face of electronic scales, and the lower left corner is provided with level meter on the electronic scales.
4, regulating the height of left blade and right blade, is benchmark with right blade, regulates the height of left blade, guarantees that two knife faces are on same level height.
5, weigh up the quality of tested blade 1 with electronic scales
6, place tested blade by the form shown in the accompanying drawing 2, tested blade is placed on left blade and the right blade, keep the blade level.The position of blade on blade as shown in Figure 3, tangential and exhibition all is 10mm to the distance on distance border.
7, read distance between reading on the electronic scales and left blade and right blade two blades.Duplicate measurements group data are obtained mean value respectively.
8, calculate tested blade exhibition to center of gravity according to formula (1)
Calculate the quality static moment of tested blade according to formula (2)
Described measurement mechanism, the blade length that can adapt to different length is measured.Blade is measured length range:
, the center of gravity measurement error less than
, the static moment error less than
A kind of depopulated helicopter blade quality static moment and center of gravity measurement device advantage: depopulated helicopter blade quality static moment and center of gravity measurement device are reasonable in design, simple in structure, operability is good, can measure blade quality static moment and center of gravity simultaneously in the short period, the efficient height; Be a kind of location benchmark better, simple to operate, high efficiency depopulated helicopter blade quality static moment and center of gravity measurement device, the measurement of quality static moment and center of gravity can once be finished, and does not need secondary installing and debugging; By adjusting the sliding stand Board position, can carry out center of gravity and quality static moment to the depopulated helicopter blade of different length and measure.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing:
Accompanying drawing 1 is depopulated helicopter blade center of gravity of the present utility model and quality static moment measurement mechanism structural representation.
Accompanying drawing 2 is that measuring principle of the present utility model and blade are placed synoptic diagram.
Blade was positioned over the position view on the blade when accompanying drawing 3 was of the present utility model the measurement.
Accompanying drawing 4 is fixedly connected platen structure synoptic diagram of the present utility model.
Embodiment
With reference to accompanying drawing 1～4, a kind of depopulated helicopter rotor blade quality static moment and center of gravity measurement device comprise measured depopulated helicopter blade 1, small handcart 1, small handcart 23, two long tracks 4, electronic scales 5, slip platen 6, left blade 7, right blades 8, fixedly connected platen one 9-1, fixedly connected platen two 9-2, fixedly connected platen three 9-3 and support column 10.
One end of two long tracks 4 links to each other with small handcart 1 by fixedly connected platen two 9-2, and the other end of two long tracks 4 links to each other with small handcart 23 by fixedly connected platen three 9-3; Right blade 8 is fixedly arranged above the slip platen 6, and slide at two guide rails 4 by sliding bearing; Electronic scales 5 is fixed on fixedly connected platen one 9-1, this fixedly connected platen one 9-1 is connected on fixedly connected platen two 9-2 by four support columns 10, fixedly connected platen one 9-1 and fixedly connected platen two 9-2 can stagger fixing mutually and be connected, thereby can increase measurement range; Left side blade 7 is fixed on the electronic scales 5 by screw, and left blade 7 is consistent with the level height of the point of a knife of right blade 8.Lying in a horizontal plane on left blade 7 and the right blade 8 of measured depopulated helicopter rotor blade 1, blade root are placed on (10 millimeters apart from the blade root end on blade 7) on the left blade 7, and blade tip is placed on (10 millimeters apart from the blade tip end on blade 8) on the right blade 8, as shown in Figure 3.Read qualitative data from electronic scales 5, measure distance and the blade weight of two blades, just can obtain center of gravity and the quality static moment of blade.
Described small handcart one 2 tops arrange the left side and have the handle fixed connecting plate.Described small handcart 23 tops arrange the right and have the handle fixed connecting plate.
Described small handcart 1 and small handcart 23 return pulleys are provided with micromatic setting.
The lower left corner is provided with level meter on the described electronic scales 5.
Tested blade lies in a horizontal plane on left blade 7 and the right blade 8, as shown in Figure 2.
Described depopulated helicopter rotor blade quality static moment and center of gravity measurement principle are as described below:
Blade is propped with two strong point levels, measured the distance of the strong point
Anchorage force with a strong point
And blade quality
, according to principle of moment balance, obtain center of gravity and static moment is shown below:
In the formula,
Distance for another strong point of blade center of gravity square;
According to the difference of blade support point can measure respectively blade exhibition to tangential center of gravity and static moment, as shown in Figure 3.
Since fixedly connected platen one 9-1, fixedly connected platen two 9-2 with fixedly connected platen three 9-3 uniform according to certain rules the hole of standard, shown in the accompanying drawing 4, rail plate 4 on fixedly connected platen three 9-3 and on the small handcart 1 up and down fixedly connected platen one 9-1 with fixedly connected platen two 9-2, the connection of can staggering between two blocks of platens, thereby can satisfy the measurement demand of different blade lengths, the depopulated helicopter blade length scope of the utility model measurement device is:
The measuring method of a kind of depopulated helicopter rotor blade quality static moment and center of gravity measurement device, carry out as follows:
1, fixation measuring device.The return pulley of small handcart 2 and small handcart 3 is transferred to liftoff, the firm banking support platform is landed, guarantee two small handcarts fix on the ground be difficult for mobile.
2, regulate the levelness of small handcart 1 and small handcart 23.The height (micromatic setting is arranged on the return pulley) of fine setting firm banking guarantees small handcart 1 and fixedlys connected the platen level above the small handcart 23, measures with surveyor's staff.
3, regulate the levelness of electronic scales 5.The height of four support columns 10 by fine setting electronic scales base transfers to level with the scale face of electronic scales 5, and the lower left corner is provided with level meter on the electronic scales 5.
4, regulating the height of left blade 7 and right blade 8, is benchmark with right blade 8, regulates the height of left blade 7, guarantees that two knife faces are on same level height.
5, weigh up the quality of tested blade 1 with electronic scales 5
6, place tested blade by the form shown in the accompanying drawing 2, tested blade is placed on left blade 7 and the right blade 8, keep the blade level.The position of blade on blade as shown in Figure 3, tangential and exhibition all is 10mm to the distance on distance border.
7, read distance between reading on the electronic scales 5 and left blade 7 and 8 liang of blades of right blade.13 groups of data of duplicate measurements are obtained mean value respectively.
8, calculate tested blade exhibition to center of gravity according to formula (1)
Calculate the quality static moment of tested blade according to formula (2)
Described measurement mechanism can adapt to the blade length of different length and measure.Blade is measured length range:
, the center of gravity measurement error less than
, the static moment error less than
Claims (4)
1. a depopulated helicopter blade static moment and center of gravity measurement device is characterized in that: comprise measured depopulated helicopter blade, small handcart one, small handcart two, two long tracks, electronic scales, slip platen, left blade, right blade, fixedly connected platen one, fixedly connected platen two, fixedly connected platen three and support columns;
One end of two long tracks links to each other with small handcart one by fixedly connected platen two, and the other end of two long tracks links to each other with small handcart two by fixedly connected platen three; Right blade is fixedly arranged above the slip platen, and slide at two guide rails by sliding bearing; Electronic scales is fixed on the fixedly connected platen one, and this fixedly connected platen one is connected on the fixedly connected platen two by four support columns, and fixedly connected platen one and fixedly connected platen two can stagger fixing mutually and be connected, thereby can increase measurement range; Left side blade is fixed on the electronic scales by screw, and the level height of the point of a knife of left blade and right blade is consistent; Lying in a horizontal plane on left blade and the right blade of measured depopulated helicopter rotor blade, blade root is placed on the left blade, 10 millimeters apart from the blade root end on left blade, blade tip is placed on the right blade, 10 millimeters apart from the blade tip end on right blade; Read qualitative data from electronic scales, measure distance and the blade weight of two blades, just can obtain center of gravity and the quality static moment of blade.
2. a kind of depopulated helicopter blade static moment according to claim 1 and center of gravity measurement device, it is characterized in that: described small handcart one top arranges the left side and has the handle fixed connecting plate.
3. a kind of depopulated helicopter blade static moment according to claim 1 and center of gravity measurement device is characterized in that: have the handle fixed connecting plate on the right of described small handcart two tops arrange.
4. a kind of depopulated helicopter blade static moment according to claim 1 and center of gravity measurement device is characterized in that: described measurement mechanism can adapt to the blade length of different length to be measured, and blade is measured length range and is:
, the center of gravity measurement error less than
, the static moment error less than
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207410465U CN203053640U (en) | 2012-12-29 | 2012-12-29 | An integrated measuring device capable of measuring the mass static moment and the center of gravity of the blade of an unmanned helicopter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207410465U CN203053640U (en) | 2012-12-29 | 2012-12-29 | An integrated measuring device capable of measuring the mass static moment and the center of gravity of the blade of an unmanned helicopter |
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| CN203053640U true CN203053640U (en) | 2013-07-10 |
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| CN2012207410465U Expired - Lifetime CN203053640U (en) | 2012-12-29 | 2012-12-29 | An integrated measuring device capable of measuring the mass static moment and the center of gravity of the blade of an unmanned helicopter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106197844A (en) * | 2015-05-05 | 2016-12-07 | 昌河飞机工业（集团）有限责任公司 | A kind of device measuring composite material blade static moment and measuring method thereof |
| CN109823568A (en) * | 2019-02-01 | 2019-05-31 | 南京乾利合科技有限责任公司 | A kind of aircraft blade torque automatic measurement system |
-
2012
- 2012-12-29 CN CN2012207410465U patent/CN203053640U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106197844A (en) * | 2015-05-05 | 2016-12-07 | 昌河飞机工业（集团）有限责任公司 | A kind of device measuring composite material blade static moment and measuring method thereof |
| CN109823568A (en) * | 2019-02-01 | 2019-05-31 | 南京乾利合科技有限责任公司 | A kind of aircraft blade torque automatic measurement system |
| CN109823568B (en) * | 2019-02-01 | 2022-06-03 | 南京乾利合科技有限责任公司 | Automatic measuring system for moment of airplane blade |
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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: 20130710 |