CN213515966U - Portable mass and mass center measuring equipment - Google Patents

Portable mass and mass center measuring equipment Download PDF

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Publication number
CN213515966U
CN213515966U CN202022608678.1U CN202022608678U CN213515966U CN 213515966 U CN213515966 U CN 213515966U CN 202022608678 U CN202022608678 U CN 202022608678U CN 213515966 U CN213515966 U CN 213515966U
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CN
China
Prior art keywords
measuring platform
measuring
guide rail
lifting
platform
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Expired - Fee Related
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CN202022608678.1U
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Chinese (zh)
Inventor
杨帅
魏建烽
朱壮
罗巍
郭帅
毛仲君
何炬恒
周毅东
刘金龙
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China Aerodynamics Research And Development Center
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China Aerodynamics Research And Development Center
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Abstract

The utility model discloses a portable quality barycenter measuring equipment relates to the aeronautical technical field, and its technical scheme main points are: the device comprises a first measuring platform, a second measuring platform, a third measuring platform, a supporting tool, a front lifting supporting seat, a left main lifting supporting seat, a right main lifting supporting seat, a front lifting guide rail, a main lifting guide rail and a distance measuring and positioning mechanism; the supporting tool is arranged on the top surfaces of the first measuring platform, the second measuring platform and the third measuring platform; the front lifting guide rail and the main lifting guide rail are respectively and fixedly arranged on the top surface of the supporting tool and are vertical to each other; the front lifting supporting seat is arranged on the front lifting guide rail; the left main starting supporting seat and the right main starting supporting seat are arranged on the main starting guide rail; the distance measuring and positioning mechanism is fixedly arranged at one end part of the supporting tool. This measuring equipment simple structure, easy dismounting not only can simultaneously measure unmanned aerial vehicle's the quality, the barycenter of X direction and the barycenter of Y direction, can also satisfy quick assembly disassembly and the requirement of being convenient for transport, is convenient for satisfy the flexible experimental demand in outfield.

Description

Portable mass and mass center measuring equipment
Technical Field
The utility model relates to an aeronautical technical field, more specifically say, it relates to a portable quality barycenter measuring equipment.
Background
The measurement of quality and barycenter can provide theoretical foundation for installation, counter weight adjustment etc. of each equipment in the unmanned aerial vehicle cabin, all has important meaning to accurate analysis unmanned aerial vehicle's carrying capacity, reinforcing attitude control and improvement life etc.. The unmanned aerial vehicle inner structure is complicated, is distributing all kinds of components, and the mass distribution is uneven, so the accuracy that the quality barycenter parameter that classic theoretical model calculates to try to get can't satisfy unmanned aerial vehicle technique's requirement itself, can not use as the control parameter of its flight gesture.
At present, mass and mass center measuring equipment in the prior art is heavy in weight and large in size, can only be used in a fixed place, and cannot meet the test requirement of outfield maneuvering. Therefore, the utility model aims at designing a portable quality barycenter measuring equipment to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a portable quality barycenter measuring equipment, this measuring equipment simple structure, easy dismounting not only can simultaneously measure unmanned aerial vehicle's quality, the barycenter of X direction and the barycenter of Y direction, can also satisfy quick assembly disassembly and the requirement of being convenient for transport, is convenient for satisfy the flexible experimental demand in outfield.
The above technical purpose of the present invention can be achieved by the following technical solutions: a portable mass center of mass measuring device comprises a measuring platform I, a measuring platform II, a measuring platform III, a supporting tool, a front lifting supporting seat, a left main lifting supporting seat, a right main lifting supporting seat, a front lifting guide rail, a main lifting guide rail and a distance measuring and positioning mechanism;
the supporting tool is arranged on the top surfaces of the first measuring platform, the second measuring platform and the third measuring platform; the front lifting guide rail and the main lifting guide rail are respectively and fixedly arranged on the top surface of the supporting tool and are mutually vertical;
the front lifting supporting seat is arranged on the front lifting guide rail and is connected with the front lifting guide rail in a sliding manner; the left main starting support seat and the right main starting support seat are arranged on the main starting guide rail and are connected with the main starting guide rail in a sliding manner;
the distance measuring and positioning mechanism is fixedly arranged at one end part of the supporting tool, the distance measuring and positioning mechanism is far away from the second measuring platform and the third measuring platform, and the distance measuring and positioning mechanism is perpendicular to the top surface of the supporting tool.
By adopting the technical scheme, when the measuring equipment is used for measuring the mass and the mass center of the unmanned aerial vehicle to be measured, firstly, the unmanned aerial vehicle to be measured is hoisted to the position of the measuring equipment, three undercarriage wheels of the unmanned aerial vehicle to be measured accurately fall on the forward supporting seat, the left main supporting seat and the right main supporting seat respectively by adjusting the positions of the forward supporting seat, the left main supporting seat and the right main supporting seat, and then the forward supporting seat, the left main supporting seat and the right main supporting seat are fixed; adjusting the measurement attitude of the unmanned aerial vehicle to be measured by adjusting the first measurement platform, the second measurement platform and the third measurement platform; after adjustment is completed, the unmanned aerial vehicle to be measured is taken down, the measurement data of the first measurement platform, the second measurement platform and the third measurement platform are set to zero, after the zero setting is completed, the unmanned aerial vehicle to be measured is installed on the measurement equipment, then the mass, the mass center in the X direction and the mass center in the Y direction of the unmanned aerial vehicle to be measured are calculated by reading the measurement data of the 3 measurement platforms (the first measurement platform, the second measurement platform and the third measurement platform) and the distance measurement positioning mechanism; this measuring equipment simple structure, easy dismounting not only can simultaneously measure unmanned aerial vehicle's the quality, the barycenter of X direction and the barycenter of Y direction, can also satisfy quick assembly disassembly and the requirement of being convenient for transport, is convenient for satisfy the flexible experimental demand in outfield.
The utility model discloses further set up to: the support tool is an assembly truss type support structure and is of a tripod-shaped structure, and the second measuring platform and the third measuring platform are arranged on the bottom surface of the same side of the support tool.
Through adopting above-mentioned technical scheme, support the frock for assembling truss-like bearing structure, this measuring equipment's of being convenient for dismantlement and installation make things convenient for this measuring equipment's transport.
The utility model discloses further set up to: the second measuring platform and the third measuring platform are symmetrically arranged around a vertical central axis of the main starting guide rail.
Through adopting above-mentioned technical scheme, measuring platform two and measuring platform three are the symmetry setting with the perpendicular axis of leading the guide rail, are convenient for ensure that measuring platform one, measuring platform two and measuring platform three measured data combine range finding positioning mechanism to calculate the quality of being surveyed unmanned aerial vehicle, the barycenter of X direction and the barycenter of Y direction.
The utility model discloses further set up to: the first measuring platform, the second measuring platform and the third measuring platform are all composed of a shell, a leveling device, a weighing sensor and a lifting mechanism.
By adopting the technical scheme, the leveling devices on the first measuring platform, the second measuring platform and the third measuring platform are used for respectively leveling the measuring states of the first measuring platform, the second measuring platform and the third measuring platform, so that the measuring data of the first measuring platform, the second measuring platform and the third measuring platform are accurate; when being weighed to surveyed unmanned aerial vehicle, elevating system descends, makes support frock fall on weighing sensor, and when not weighing, elevating system rises, can support and support the frock in order to protect weighing sensor.
The utility model discloses further set up to: the weighing sensors are arranged on the top surface of the shell, the number of the leveling devices is 2, the leveling devices are positioned at the bottom end inside the shell, the bottom end of the lifting mechanism is connected with the top end of the leveling devices, and the top end of the lifting mechanism penetrates through the top surface of the shell and extends out of the shell; the lifting mechanism consists of an electric cylinder and a lifting rod fixedly connected with the telescopic end of the electric cylinder.
By adopting the technical scheme, the top end of the lifting mechanism penetrates through the top surface of the shell and extends out of the shell for being connected with the supporting tool, so that the effect of supporting the supporting tool is realized through the lifting function of the lifting mechanism, and the protection of the weighing sensor is realized; the leveling device is adjusted to conveniently adjust the horizontal state of the lifting mechanism, so that the horizontal state of the top end of the lifting mechanism is conveniently adjusted to realize a horizontal measurement state; through electronic jar, be convenient for drive lifter goes up and down, realizes elevating system's raising and lowering functions.
To sum up, the utility model discloses following beneficial effect has: this measuring equipment simple structure, easy dismounting not only can simultaneously measure unmanned aerial vehicle's the quality, the barycenter of X direction and the barycenter of Y direction, can also satisfy quick assembly disassembly and the requirement of being convenient for transport, is convenient for satisfy the flexible experimental demand in outfield.
Drawings
Fig. 1 is a schematic structural diagram in an embodiment of the present invention;
fig. 2 is a schematic diagram of an internal structure of a first measurement platform according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the supporting tool in the embodiment of the present invention.
In the figure: 1. a first measuring platform; 2. a second measuring platform; 3. a third measuring platform; 4. supporting a tool; 5. a support seat is lifted forwards; 6. a left main starting support seat; 7. a right main starting support seat; 8. a front-lift guide rail; 9. a main lifting guide rail; 10. a distance measuring and positioning mechanism; 11. a weighing sensor; 12. a leveling device; 13. a lifting mechanism; 14. a housing; 15. an electric cylinder; 16. a lifting rod; 17. a main support bar; 18. an inclined support rod; 19. a connecting rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying fig. 1-3.
Example (b): a portable mass center of mass measuring device is shown in figures 1, 2 and 3 and comprises a measuring platform I1, a measuring platform II 2, a measuring platform III 3, a supporting tool 4, a front lifting supporting seat 5, a left main lifting supporting seat 6, a right main lifting supporting seat 7, a front lifting guide rail 8, a main lifting guide rail 9 and a distance measuring and positioning mechanism 10.
The supporting tool 4 is installed on the top surfaces of the first measuring platform 1, the second measuring platform 2 and the third measuring platform 3. The front lifting guide rail 8 and the main lifting guide rail 9 are respectively and fixedly installed on the top surface of the supporting tool 4, and the front lifting guide rail 8 and the main lifting guide rail 9 are perpendicular to each other.
The front lifting support base 5 is mounted on the front lifting guide rail 8, and the front lifting support base 5 is connected with the front lifting guide rail 8 in a sliding mode. The left main starting support seat 6 and the right main starting support seat 7 are mounted on the main starting guide rail 9, and the left main starting support seat 6 and the right main starting support seat 7 are in sliding connection with the main starting guide rail 9.
The distance measuring and positioning mechanism 10 is fixedly installed at one end of the supporting tool 4, the distance measuring and positioning mechanism 10 is far away from the second measuring platform 2 and the third measuring platform 3, and the distance measuring and positioning mechanism 10 is perpendicular to the top surface of the supporting tool 4.
In this embodiment, when the measuring device is used for measuring the mass and the mass center of the unmanned aerial vehicle to be measured, the unmanned aerial vehicle to be measured is firstly hoisted to the position of the measuring device, and the three undercarriage wheels of the unmanned aerial vehicle to be measured accurately fall on the forward supporting seat 5, the left main supporting seat 6 and the right main supporting seat 7 by adjusting the positions of the forward supporting seat 5, the left main supporting seat 6 and the right main supporting seat 7, and then the forward supporting seat 5, the left main supporting seat 6 and the right main supporting seat 7 are fixed. The measurement attitude of the unmanned aerial vehicle to be measured is adjusted by adjusting the first measurement platform 1, the second measurement platform 2 and the third measurement platform 3. After the adjustment is completed, the unmanned aerial vehicle to be measured is taken down, and the measured data of the first measuring platform 1, the second measuring platform 2 and the third measuring platform 3 is set to zero, after the zero setting is completed, the unmanned aerial vehicle to be measured is installed on the measuring equipment, then the measured data of the 3 measuring platforms (the first measuring platform 1, the second measuring platform 2 and the third measuring platform 3) and the distance measuring and positioning mechanism 10 are read, and the mass of the unmanned aerial vehicle to be measured, the mass center of the X direction and the mass center of the Y direction are calculated through the read measured data. This measuring equipment simple structure, easy dismounting not only can simultaneously measure unmanned aerial vehicle's the quality, the barycenter of X direction and the barycenter of Y direction, can also satisfy quick assembly disassembly and the requirement of being convenient for transport, is convenient for satisfy the flexible experimental demand in outfield.
The supporting tool 4 is an assembly truss type supporting structure, the supporting tool 4 is a tripod-shaped structure, the supporting tool 4 is composed of a main supporting rod 17, two inclined supporting rods 18 with the same length and a connecting rod 19, one side ends of the two inclined supporting rods 18 are respectively and fixedly connected with the side faces of two end portions of the main supporting rod 17, the connecting rod 19 is vertically connected with the side wall of the middle portion of the main supporting rod 17, and the end portions of the other sides of the two inclined supporting rods 18 are respectively and fixedly connected with two opposite side walls of the end portion, far away from the main supporting rod 17, of the connecting rod 19. The second measuring platform 2 and the third measuring platform 3 are installed on the bottom surface of a main supporting rod 17 of the supporting tool 4, and the first measuring platform 1 is installed on the bottom surface of a connecting rod 19.
In this embodiment, the support tool 4 is an assembled truss-type support structure, which facilitates the disassembly and assembly of the measurement equipment and the transportation of the measurement equipment.
The second measuring platform 2 and the third measuring platform 3 are symmetrically arranged on the vertical middle axis of the main lifting guide rail 9.
In this embodiment, the perpendicular axis that two 2 and three 3 of measuring platform use the leading guide rail 9 is the symmetry setting, is convenient for ensure that measuring platform 1, two 2 of measuring platform and three 3 of measuring platform's measured data combine range finding positioning mechanism 10 to calculate the quality of being surveyed unmanned aerial vehicle, the barycenter of X direction and the barycenter of Y direction.
The first measuring platform 1, the second measuring platform 2 and the third measuring platform 3 are all composed of a shell 14, a leveling device 12, a weighing sensor 11 and a lifting mechanism 13.
In this embodiment, the leveling devices 12 on the first measuring platform 1, the second measuring platform 2 and the third measuring platform 3 are used for respectively leveling the measuring states of the first measuring platform 1, the second measuring platform 2 and the third measuring platform 3, so that the measuring data of the first measuring platform 1, the second measuring platform 2 and the third measuring platform 3 are accurate. When weighing the unmanned aerial vehicle to be measured, elevating system 13 descends, makes support frock 4 fall on weighing sensor 11, and when not weighing, elevating system 13 rises, can support and support frock 4 in order to protect weighing sensor 11.
The weighing sensor 11 is installed on the top surface of the shell 14, the number of the leveling devices 12 is 2, the leveling devices 12 are located at the bottom end inside the shell 14, the bottom end of the lifting mechanism 13 is connected with the top end of the leveling devices 12, and the top end of the lifting mechanism 13 penetrates through the top surface of the shell 14 and extends out of the shell 14. The lifting mechanism 13 is composed of an electric cylinder 15 and a lifting rod 16 fixedly connected to the telescopic end of the electric cylinder 15.
In this embodiment, 2 leveling devices 12 are respectively connected to the bottom end of the lifting rod 16 by threads, and the leveling function is realized by twisting the rotary leveling devices 12. The top end of the lifting mechanism 13 penetrates through the top surface of the shell 14 and extends out of the shell 14 to be connected with the supporting tool 4, so that the effect of supporting the supporting tool 4 is achieved through the lifting function of the lifting mechanism 13, and the protection of the weighing sensor 11 is achieved. The leveling device 12 is adjusted to conveniently adjust the horizontal state of the lifting mechanism 13, so that the horizontal state of the top end of the lifting mechanism 13 is conveniently adjusted to realize a horizontal measurement state. The electric cylinder 15 is convenient to drive the lifting rod 16 to lift, and the lifting function of the lifting mechanism 13 is realized.
The working principle is as follows: when the measuring equipment is used for measuring the mass and the mass center of the unmanned aerial vehicle to be measured, the unmanned aerial vehicle to be measured is firstly hoisted to the position of the measuring equipment, the positions of the front lifting support seat 5, the left main lifting support seat 6 and the right main lifting support seat 7 are adjusted, so that three undercarriage wheels of the unmanned aerial vehicle to be measured accurately fall on the front lifting support seat 5, the left main lifting support seat 6 and the right main lifting support seat 7 respectively, and then the front lifting support seat 5, the left main lifting support seat 6 and the right main lifting support seat 7 are fixed. The measurement attitude of the unmanned aerial vehicle to be measured is adjusted by adjusting the first measurement platform 1, the second measurement platform 2 and the third measurement platform 3. After the adjustment is completed, the unmanned aerial vehicle to be measured is taken down, and the measured data of the first measuring platform 1, the second measuring platform 2 and the third measuring platform 3 is set to zero, after the zero setting is completed, the unmanned aerial vehicle to be measured is installed on the measuring equipment, then the measured data of the 3 measuring platforms (the first measuring platform 1, the second measuring platform 2 and the third measuring platform 3) and the distance measuring and positioning mechanism 10 are read, and the mass of the unmanned aerial vehicle to be measured, the mass center of the X direction and the mass center of the Y direction are calculated through the read measured data. This measuring equipment simple structure, easy dismounting not only can simultaneously measure unmanned aerial vehicle's the quality, the barycenter of X direction and the barycenter of Y direction, can also satisfy quick assembly disassembly and the requirement of being convenient for transport, is convenient for satisfy the flexible experimental demand in outfield.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (5)

1. A portable quality barycenter measuring equipment, characterized by: the device comprises a first measuring platform (1), a second measuring platform (2), a third measuring platform (3), a supporting tool (4), a front lifting support seat (5), a left main lifting support seat (6), a right main lifting support seat (7), a front lifting guide rail (8), a main lifting guide rail (9) and a distance measuring and positioning mechanism (10);
the supporting tool (4) is arranged on the top surfaces of the first measuring platform (1), the second measuring platform (2) and the third measuring platform (3); the front lifting guide rail (8) and the main lifting guide rail (9) are respectively and fixedly arranged on the top surface of the supporting tool (4), and the front lifting guide rail (8) and the main lifting guide rail (9) are vertical to each other;
the front lifting supporting seat (5) is arranged on the front lifting guide rail (8), and the front lifting supporting seat (5) is connected with the front lifting guide rail (8) in a sliding manner; the left main starting support seat (6) and the right main starting support seat (7) are arranged on the main starting guide rail (9), and the left main starting support seat (6) and the right main starting support seat (7) are in sliding connection with the main starting guide rail (9);
distance measuring positioning mechanism (10) fixed mounting is in a tip that supports frock (4), just distance measuring positioning mechanism (10) is kept away from measuring platform two (2) and measuring platform three (3), distance measuring positioning mechanism (10) are perpendicular with support frock (4) top surface.
2. The portable mass and center of mass measurement device of claim 1, wherein: the supporting tool (4) is an assembly truss type supporting structure, the supporting tool (4) is a tripod-shaped structure, and the measuring platform II (2) and the measuring platform III (3) are arranged on the bottom surface of the same side of the supporting tool (4).
3. The portable mass and center of mass measurement device of claim 1, wherein: the second measuring platform (2) and the third measuring platform (3) are symmetrically arranged on the vertical middle axis of the main lifting guide rail (9).
4. The portable mass and center of mass measurement device of claim 1, wherein: the measuring platform I (1), the measuring platform II (2) and the measuring platform III (3) are all composed of a shell (14), a leveling device (12), a weighing sensor (11) and a lifting mechanism (13).
5. The portable mass and center of mass measurement device of claim 4, wherein: the weighing sensors (11) are mounted on the top surface of the shell (14), the number of the leveling devices (12) is 2, the leveling devices (12) are located at the bottom end of the interior of the shell (14), the bottom end of the lifting mechanism (13) is connected with the top end of the leveling devices (12), and the top end of the lifting mechanism penetrates through the top surface of the shell (14) and extends out of the shell (14); the lifting mechanism (13) is composed of an electric cylinder (15) and a lifting rod (16) fixedly connected with the telescopic end of the electric cylinder (15).
CN202022608678.1U 2020-11-12 2020-11-12 Portable mass and mass center measuring equipment Expired - Fee Related CN213515966U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022608678.1U CN213515966U (en) 2020-11-12 2020-11-12 Portable mass and mass center measuring equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022608678.1U CN213515966U (en) 2020-11-12 2020-11-12 Portable mass and mass center measuring equipment

Publications (1)

Publication Number Publication Date
CN213515966U true CN213515966U (en) 2021-06-22

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CN202022608678.1U Expired - Fee Related CN213515966U (en) 2020-11-12 2020-11-12 Portable mass and mass center measuring equipment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116106036A (en) * 2023-04-06 2023-05-12 中国汽车技术研究中心有限公司 Method and device for adjusting head mass center of automobile collision dummy

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116106036A (en) * 2023-04-06 2023-05-12 中国汽车技术研究中心有限公司 Method and device for adjusting head mass center of automobile collision dummy
CN116106036B (en) * 2023-04-06 2023-06-23 中国汽车技术研究中心有限公司 Method and device for adjusting head mass center of automobile collision dummy

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Granted publication date: 20210622

Termination date: 20211112