CN111207887A - Unmanned aerial vehicle weight focus measuring device - Google Patents
Unmanned aerial vehicle weight focus measuring device Download PDFInfo
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- CN111207887A CN111207887A CN202010174839.2A CN202010174839A CN111207887A CN 111207887 A CN111207887 A CN 111207887A CN 202010174839 A CN202010174839 A CN 202010174839A CN 111207887 A CN111207887 A CN 111207887A
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- 238000005303 weighing Methods 0.000 claims abstract description 59
- 230000005484 gravity Effects 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 210000000003 hoof Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- G01M1/12—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
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- Aviation & Aerospace Engineering (AREA)
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Abstract
The invention discloses a device for measuring the weight and gravity center of an unmanned aerial vehicle, which comprises: the device comprises an upper bracket, a lower base and a sensor system; the upper bracket includes: a bracket, a front support and a rear support; the lower base includes: a base and a column; the sensor system includes: a weighing sensor and a weighing digital display meter; the base is a T-shaped frame which comprises two coplanar rectangular frames; four corners of the base are respectively provided with an upright post for supporting the base; the bracket is of a T-shaped structure, the bracket and the base are correspondingly arranged, three weighing sensors are arranged between the bracket and the base, and the weighing digital display meter is connected with the weighing sensors and used for displaying the reading of the weighing sensors; the front support and the rear support are respectively arranged on the vertical section and the horizontal section of the bracket and are used for supporting the unmanned aerial vehicle, the connecting line between the front support and the rear support is collinear with the vertical section of the bracket, and the distance between the front support and the rear support can be adjusted; wherein, the back support is fixed on the horizontal section of support, can dismantle between preceding support and the vertical section of support and be connected for the interval between the adjustment preceding, back support.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to a device for measuring the weight and gravity center of an unmanned aerial vehicle.
Background
Before an Unmanned Aerial Vehicle (hereinafter referred to as an Unmanned Aerial Vehicle) leaves a factory or flies, strict requirements are imposed on loading balance of task equipment, namely after each task equipment is loaded, whether the gravity center position of the Unmanned Aerial Vehicle is located within an allowable gravity center limit range is an important technical index for determining that the Unmanned Aerial Vehicle leaves the factory or flies.
Unmanned aerial vehicle weight focus measuring device among the prior art's defect mainly is:
1. the structure is complex, and the material selection and process cost is high;
2. the structure is heavy, the carrying is difficult, the assembly is complicated, and the preliminary preparation work consumes long time;
3. many be applicable to the unmanned aerial vehicle of specific shape, size and weight, do not have the general suitability of function, cause the serious waste of manpower, material resources, financial resources.
Disclosure of Invention
In view of this, the invention provides an unmanned aerial vehicle weight gravity center measuring device, which has the advantages of simple structure, easy carrying, low material selection and process cost, convenient assembly, capability of completing the early preparation work of unmanned aerial vehicle weight gravity center measurement in a short time, and capability of realizing the weight and gravity center measurement of small unmanned aerial vehicles with different weight ranges by simply adjusting the front and back support distances of the upper support of the measuring rack.
The technical scheme of the invention is as follows: an unmanned aerial vehicle weight focus measuring device includes: the device comprises an upper bracket, a lower base and a sensor system; the upper bracket includes: a bracket, a front support and a rear support; the lower base includes: a base and a column; the sensor system includes: a weighing sensor and a weighing digital display meter;
the base is a T-shaped frame and comprises two coplanar rectangular frames; four corners of the base are respectively provided with an upright post for supporting the base;
the bracket is of a T-shaped structure, the bracket and the base are correspondingly arranged, three weighing sensors are arranged between the bracket and the base, and the weighing digital display meter is connected with the weighing sensors and used for displaying the reading of the weighing sensors;
the front support and the rear support are respectively arranged on the vertical section and the horizontal section of the bracket and are used for supporting the unmanned aerial vehicle, a connecting line between the front support and the rear support is collinear with the vertical section of the bracket, and the distance between the front support and the rear support can be adjusted; the rear support is fixed on the horizontal section of the support, and the front support is detachably connected with the vertical section of the support and used for adjusting the distance between the front support and the rear support.
Preferably, the lower base further comprises: the hoof feet are arranged at the lower ends of the stand columns and used for adjusting the supporting height of the lower base.
Preferably, the sensor system further comprises: the laser level meter is arranged between the upper support and the lower base and used for checking the levelness of the upper support and the lower base.
Preferably, the front support and the rear support each comprise three profiles, wherein two profiles are connected to form a "V" shaped structure, and the bottom of the "V" shaped structure is mounted on the third profile.
Has the advantages that:
(1) the measuring device disclosed by the invention is simple in structure, easy to carry, low in material selection and process cost and convenient to assemble, can finish the early preparation work of the weight and gravity center measurement of the unmanned aerial vehicle in a short time, and can realize the weight and gravity center measurement of the small unmanned aerial vehicle in different weight ranges by simply adjusting the front and back support distances of the upper support of the measuring rack, namely, the measuring device has universality in a set weight range.
(2) The bottom of the lower base is provided with the hoof feet, so that the supporting height of the lower base 2 can be conveniently adjusted.
(3) According to the invention, the two laser levels vertically project laser, so that the levelness of the measuring device can be effectively ensured.
Drawings
Fig. 1 is a schematic structural diagram of a measuring apparatus according to the present invention.
Fig. 2 is a schematic structural view of an upper bracket in the present invention.
FIG. 3 is a schematic structural view of the lower base of the present invention.
FIG. 4 is a schematic structural view of the spare front support of the present invention.
Fig. 5 is a force analysis diagram of the measurement principle of the present invention.
The sensor system comprises an upper support 1, a support 11, a front support 12, a rear support 13, a connecting angle piece A, a connecting angle piece B, a connecting angle piece C, a connecting angle piece D, an end cover plate 18, a lower base 2, a base 21, a stand column 22, a foot 23, a connecting angle piece E and a sensor system 3.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
This embodiment provides an unmanned aerial vehicle weight focus measuring device, and the structure is succinct, easily carries, and material selection and low in process cost, convenient equipment can accomplish unmanned aerial vehicle weight focus measuring preliminary stage preparation work in short time, can realize the unmanned aerial vehicle's of different weight scopes weight and focus measurement through adjusting the support distance around measuring the rack upper bracket simply.
As shown in fig. 1 to 3, the measuring apparatus includes: the device comprises an upper bracket 1, a lower base 2 and a sensor system 3; the upper bracket 1 includes: a bracket 11, a front support 12 and a rear support 13; the lower base 2 includes: a base 21, a column 22 and a hoof 23; the sensor system includes: weighing sensor, weighing digital display meter and laser level meter.
The connection relationship of the measuring device is as follows: the base 21 is a T-shaped frame formed by connecting seven sectional materials through connecting corner pieces E24, and the T-shaped frame comprises two coplanar rectangular frames; four corners of the base 21 are respectively provided with upright posts 22 (two ends of the horizontal section of the T-shaped frame are respectively provided with one upright post 22, and the end parts of the vertical section are provided with two upright posts 22) for supporting the base 21; the lower end of the upright post 22 is provided with a hoof foot 23 for adjusting the supporting height of the lower base 2;
the bracket 11 is a T-shaped structure formed by connecting two sectional materials through a connecting corner piece A14, the bracket 11 and the base 21 are correspondingly installed, three weighing sensors (corresponding to three ends of the T shape respectively and having the model of MIK-LCS1) are arranged between the bracket 11 and the base, a weighing digital display meter (having the model of MIK-LCB1) is connected with the weighing sensors, and the weighing digital display meter is used for displaying the reading of the weighing sensors; the front support 12 and the rear support 13 are respectively arranged on the vertical section and the horizontal section of the bracket 11 and are used for supporting the unmanned aerial vehicle, a connecting line between the front support and the rear support is collinear with the vertical section of the bracket 11, and the distance between the front support and the rear support can be adjusted according to the size of the unmanned aerial vehicle; wherein, the rear support 13 is fixed on the horizontal section of the bracket 11, and the front support 12 is detachably connected with the vertical section of the bracket 11 through a connecting angle piece D17 so as to adjust the distance between the front support 12 and the rear support 13; the front support 12 and the rear support 13 are the same and each include three profiles, wherein two profiles are connected by a connecting angle B15 to form a V-shaped structure (the included angle is 90 ° in this embodiment), the bottom of the V-shaped structure is mounted on a third profile, and the two ends of the V-shaped structure are fixed to the third profile by connecting angle C16; an end cover plate 18 is arranged at the end part of each section bar to prevent accidental injury to operators;
further, two laser levels are installed between upper bracket 1 and lower base 2, and its laser projection contained angle is 90 for 2 upper surface levelness of base under the check, make three weighing sensor install based on same horizontal plane, simultaneously, still be used for the levelness of check upper bracket 1, and then guarantee the levelness that unmanned aerial vehicle placed.
Further, as shown in fig. 4, the spare front support can raise the upper bracket by a set height so as to measure the vertical gravity center of the unmanned aerial vehicle.
The measuring principle of the measuring device is as follows: to measure longitudinallyTaking the gravity center (in the front-back direction) as an example, adjusting the vertical distance between one weighing sensor at the front end and two weighing sensors at the back end to be L, adjusting the distance between the front support 12 and the back support 13, and placing the unmanned aerial vehicle on the upper bracket 1, namely, the distance between the front weighing point and the back weighing point is L; the weight of the front and the rear weighing points is measured to be F1And F2Weight G of unmanned aerial vehicle equals F1And F2The sum of (G ═ F)1+F2) Recording the end part of the front end of the unmanned aerial vehicle as a coordinate origin O, and the distance between the end part of the unmanned aerial vehicle and a front end measuring point is L0The longitudinal coordinate of the gravity center of the unmanned aerial vehicle is A, and the distance between the gravity center and the front-end weighing point is L1The distance between the center of gravity and the rear end weighing point is L2If A is equal to L0+L1；
From the moment balance it is possible to obtain:
the measuring method of the measuring device comprises the following steps:
(1) lower base 2 leveling
The upper surfaces of the lower bases 2 are in the same horizontal plane by adjusting the hoofs 23, namely, the weighing sensors are ensured to be in the same horizontal plane (the transverse and vertical multi-direction measurement is carried out by a laser level);
(2) measuring upper support 1
The power supply of the weighing sensor and the weighing digital display meter is turned on, the readings of the three weighing sensors are recorded, the reading of the front weighing sensor is A1, the reading of the left rear weighing sensor is B1, the reading of the right rear weighing sensor is C1, multiple sets of data are measured (measurement errors are eliminated as much as possible), the average number is taken, and the reading is the weight distribution of the upper bracket 1;
(3) adjusting unmanned aerial vehicle
Placing an unmanned aerial vehicle on an upper bracket 1, leveling the axis of the unmanned aerial vehicle by a laser level gauge to enable the unmanned aerial vehicle to be horizontal, and enabling wings of the unmanned aerial vehicle to be bilaterally symmetrical by rotating the unmanned aerial vehicle;
(4) measure unmanned aerial vehicle's weight and vertical and horizontal focus
The power supply of the weighing sensor and the weighing digital display meter is turned on, the readings of the three weighing sensors are recorded, the reading of the front-end sensor is A2, the reading of the left rear-end weighing sensor is B2, the reading of the right rear-end weighing sensor is C2, several groups of data are measured for multiple times, the average number is taken, and the reading is the weight distribution of the unmanned aerial vehicle and the upper bracket 1 as a whole;
(5) vertical focus of unmanned aerial vehicle is measured
a. When the conditions such as space and the like allow, the unmanned aerial vehicle can be placed on the upper bracket after rotating 90 degrees clockwise along the body axis, the readings of the three weighing sensors are recorded, the reading of the front weighing sensor is A3, the reading of the left rear weighing sensor is B3, the reading of the right rear weighing sensor is C3, several groups of data are measured for multiple times, the average number is taken, and the reading is the weight distribution of the unmanned aerial vehicle and the upper bracket 1 as a whole;
b. when the conditions such as space and the like are not allowed, the front support 12 on the upper bracket 1 can be replaced by a spare front support, the power supply of the weighing sensors and the weighing digital display meter is turned on, the readings of the three weighing sensors are recorded, the reading of the weighing sensor at the front end is A4, the reading of the weighing sensor at the left rear end is B4, the reading of the weighing sensor at the right rear end is C4, a plurality of groups of data are measured, the average number is taken, and the reading is the weight distribution of the spare upper bracket; placing the unmanned aerial vehicle on the upper bracket 1, recording the readings of three weighing sensors, wherein the reading of the front weighing sensor is A5, the reading of the left rear weighing sensor is B5, the reading of the right rear weighing sensor is C5, measuring multiple groups of data, and taking the average number, wherein the reading is the weight distribution of the unmanned aerial vehicle and the upper bracket 1 as a whole;
(6) center of gravity calculation
And calculating the weight and the gravity center of the unmanned aerial vehicle according to the force and moment balance measuring principle.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides an unmanned aerial vehicle weight focus measuring device which characterized in that includes: the device comprises an upper bracket (1), a lower base (2) and a sensor system (3); the upper bracket (1) comprises: a bracket (11), a front support (12) and a rear support (13); the lower base (2) comprises: a base (21) and a column (22); the sensor system includes: a weighing sensor and a weighing digital display meter;
the base (21) is a T-shaped frame and comprises two coplanar rectangular frames; four corners of the base (21) are respectively provided with an upright post (22) for supporting the base (21);
the support (11) is of a T-shaped structure, the support (11) and the base (21) are correspondingly installed, three weighing sensors are arranged between the support (11) and the base, and the weighing digital display meter is connected with the weighing sensors and used for displaying the reading of the weighing sensors;
the front support (12) and the rear support (13) are respectively arranged on the vertical section and the horizontal section of the support (11) and used for supporting the unmanned aerial vehicle, the connecting line between the front support and the rear support is collinear with the vertical section of the support (11), and the distance between the front support and the rear support can be adjusted; the rear support (13) is fixed on the horizontal section of the support (11), and the front support (12) is detachably connected with the vertical section of the support (11) and used for adjusting the distance between the front support (12) and the rear support (13).
2. The unmanned aerial vehicle weight center of gravity measuring device of claim 1, wherein the sub-base (2) further comprises: the shoe feet (23) are mounted at the lower end of the upright post (22) and used for adjusting the supporting height of the lower base (2).
3. The unmanned aerial vehicle weight center of gravity measuring device of claim 1, wherein the sensor system further comprises: the laser level meter is arranged between the upper support (1) and the lower base (2) and used for checking the levelness of the upper support (1) and the lower base (2).
4. Unmanned aerial vehicle weight center of gravity measuring device of claim 1, characterized in that preceding support (12) and back support (13) all include three section bars, and two of them section bar connection is "V" style of calligraphy structure, and the bottom of this "V" style of calligraphy structure is installed on third section bar.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911254950 | 2019-12-10 | ||
| CN2019112549506 | 2019-12-10 |
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| Publication Number | Publication Date |
|---|---|
| CN111207887A true CN111207887A (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010174839.2A Pending CN111207887A (en) | 2019-12-10 | 2020-03-13 | Unmanned aerial vehicle weight focus measuring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798086A (en) * | 2021-01-04 | 2021-05-14 | 云南昆船电子设备有限公司 | Cylinder-like weighing equipment and weighing method |
| CN113212786A (en) * | 2021-04-23 | 2021-08-06 | 中国航天空气动力技术研究院 | Fixed wing unmanned aerial vehicle conveyer |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201327433Y (en) * | 2008-11-28 | 2009-10-14 | 中国航天空气动力技术研究院 | Centroid measuring device for unmanned aerial vehicles |
| CN104590577A (en) * | 2014-12-25 | 2015-05-06 | 中国人民解放军总参谋部第六十研究所 | Unmanned aerial vehicle launch booster mounting base adjusting and installing platform and usage method thereof |
| CN204788798U (en) * | 2015-07-21 | 2015-11-18 | 长春理工大学 | Eccentric test fixture of adjustable solid of revolution barycenter that goes up and down |
| CN106017796A (en) * | 2016-06-30 | 2016-10-12 | 西安爱生技术集团公司 | Bracket for gravity center measuring system of parachute-recovery unmanned aerial vehicle |
| CN106289643A (en) * | 2016-10-19 | 2017-01-04 | 北京航星机器制造有限公司 | The center of gravity measurement frock of on-circular cross-section product |
| CN106768639A (en) * | 2017-03-27 | 2017-05-31 | 江苏科技大学 | Tuning for Controllable Pitch Propeller blade gravity center measurement device and measuring method |
| CN106892130A (en) * | 2017-02-20 | 2017-06-27 | 西安爱生技术集团公司 | A kind of unmanned plane booster rocket adjusts positioner and method |
| CN207741892U (en) * | 2017-12-22 | 2018-08-17 | 航天神舟飞行器有限公司 | Rocket assist formula unmanned aerial vehicle onboard equipment is installed and full machine center of gravity measurement testing stand |
| CN109387329A (en) * | 2018-11-14 | 2019-02-26 | 南京航空航天大学 | Small drone weight center of gravity measuring device and measuring method |
| CN209525054U (en) * | 2019-04-22 | 2019-10-22 | 周军小 | A kind of small-sized fixed-wing aerial survey unmanned plane centroid measurement instrument |
-
2020
- 2020-03-13 CN CN202010174839.2A patent/CN111207887A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201327433Y (en) * | 2008-11-28 | 2009-10-14 | 中国航天空气动力技术研究院 | Centroid measuring device for unmanned aerial vehicles |
| CN104590577A (en) * | 2014-12-25 | 2015-05-06 | 中国人民解放军总参谋部第六十研究所 | Unmanned aerial vehicle launch booster mounting base adjusting and installing platform and usage method thereof |
| CN204788798U (en) * | 2015-07-21 | 2015-11-18 | 长春理工大学 | Eccentric test fixture of adjustable solid of revolution barycenter that goes up and down |
| CN106017796A (en) * | 2016-06-30 | 2016-10-12 | 西安爱生技术集团公司 | Bracket for gravity center measuring system of parachute-recovery unmanned aerial vehicle |
| CN106289643A (en) * | 2016-10-19 | 2017-01-04 | 北京航星机器制造有限公司 | The center of gravity measurement frock of on-circular cross-section product |
| CN106892130A (en) * | 2017-02-20 | 2017-06-27 | 西安爱生技术集团公司 | A kind of unmanned plane booster rocket adjusts positioner and method |
| CN106768639A (en) * | 2017-03-27 | 2017-05-31 | 江苏科技大学 | Tuning for Controllable Pitch Propeller blade gravity center measurement device and measuring method |
| CN207741892U (en) * | 2017-12-22 | 2018-08-17 | 航天神舟飞行器有限公司 | Rocket assist formula unmanned aerial vehicle onboard equipment is installed and full machine center of gravity measurement testing stand |
| CN109387329A (en) * | 2018-11-14 | 2019-02-26 | 南京航空航天大学 | Small drone weight center of gravity measuring device and measuring method |
| CN209525054U (en) * | 2019-04-22 | 2019-10-22 | 周军小 | A kind of small-sized fixed-wing aerial survey unmanned plane centroid measurement instrument |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798086A (en) * | 2021-01-04 | 2021-05-14 | 云南昆船电子设备有限公司 | Cylinder-like weighing equipment and weighing method |
| CN113212786A (en) * | 2021-04-23 | 2021-08-06 | 中国航天空气动力技术研究院 | Fixed wing unmanned aerial vehicle conveyer |
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Application publication date: 20200529 |
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