CN220501035U - Adjustable telescopic duct unmanned aerial vehicle power testing arrangement - Google Patents
Adjustable telescopic duct unmanned aerial vehicle power testing arrangement Download PDFInfo
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- CN220501035U CN220501035U CN202122961962.1U CN202122961962U CN220501035U CN 220501035 U CN220501035 U CN 220501035U CN 202122961962 U CN202122961962 U CN 202122961962U CN 220501035 U CN220501035 U CN 220501035U
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides an adjustable telescopic ducted unmanned aerial vehicle power testing device, which comprises a base, a duct and a propeller, wherein the duct and the propeller are arranged on the base; the duct is adjustably arranged on the side wall of the base through a telescopic sleeve, and the screw is arranged on the top of the base through a screw pull-torsion measuring assembly and extends into the duct; the propeller tension torsion measuring assembly comprises a linear bearing, a force bearing rod piece, a tension sensor, a torque sensor and a propeller. The tension sensor measures the tiny displacement of the force-bearing rod piece along the linear bearing, so that the axial tension and compression of the propeller are measured, and the output shaft at the bottom of the motor is connected with a torque sensor for testing the torque of the propeller. According to the unmanned aerial vehicle power testing device, the state of the duct telescopic sleeve can be adjusted to change the duct state, so that the performance parameters of the duct and the propeller in different states of the relative positions of the duct and the propeller are simulated, and the performance parameters of the duct and the propeller in the state can be accurately measured by the power testing device.
Description
Technical Field
The utility model belongs to the technical field of unmanned aerial vehicle testing, and particularly relates to an unmanned aerial vehicle power testing device.
Background
At present, in a general unmanned aerial vehicle power test system, a traditional test bench only can measure power parameters under a fixed state of relative positions of a duct and a propeller, and in an experiment, the relative positions of the duct and the propeller often need to be adjusted, so that the power parameters are measured when the relative positions are different to obtain a comparison result.
Disclosure of Invention
In view of the above, the utility model aims to provide an adjustable telescopic ducted unmanned aerial vehicle power test platform so as to solve the problem that the relative position relation between a duct and a propeller is relatively complicated in the adjustment of a traditional test bench.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
an adjustable telescopic power testing device of a ducted unmanned aerial vehicle comprises a base, a duct and a propeller, wherein the duct and the propeller are arranged on the base;
the duct is adjustably arranged on the side wall of the base through a telescopic sleeve, and the screw is arranged on the top of the base through a screw pull-torsion measuring assembly and extends into the duct;
the screw pull torsion measuring assembly comprises a tension measuring piece, a torque measuring piece and a linear bearing, wherein one end of the tension measuring piece is connected with one end of the linear bearing, one end of the torque measuring piece is connected with the other end of the linear bearing, the screw is arranged on the torque measuring piece, the screw drives the linear bearing to move so that the tension measuring piece can carry out tension measurement, and the torque measuring piece can carry out torque measurement.
Further, the telescopic sleeve comprises a fixing part and an outer sleeve, wherein the outer sleeve is movably arranged outside the fixing part, the fixing part comprises a first fixing ring and a plurality of inner shafts, the plurality of inner shafts are fixed on the side wall of the first fixing ring at equal intervals, the outer sleeve comprises a plurality of second fixing rings and a plurality of outer shafts, the plurality of second fixing rings are arranged at equal intervals, the plurality of outer shafts are vertically and rotatably arranged on the plurality of second fixing rings, the plurality of inner shafts and the plurality of outer shafts are provided with equal numbers, one ends of the plurality of inner shafts respectively extend into the corresponding outer shafts, jackscrews are respectively arranged at the end parts of each outer shaft, and each inner shaft is fixed on the corresponding outer shaft through the jackscrews.
Further, the outer wall of the duct is provided with mounting holes corresponding to the outer shafts, threads are arranged at the other ends of the outer shafts, and the outer shafts are respectively in threaded connection with the corresponding mounting holes.
Further, the base includes cross seat, one-level stand, second grade stand, and one-level stand is fixed in cross seat intermediate position through fixed fold piece, and second grade stand includes two, and two second grade stands pass through curb plate symmetry and install on the lateral wall of one-level stand.
Further, the mounting seat is arranged on one of the two-stage upright posts, and the first fixing ring is fixed on the mounting seat through bolts.
Further, the linear bearing is fixed right above two second-level stand columns, the tension measuring piece is fixed on the side wall of one stand column and is connected with one end of a force bearing rod piece of the linear bearing, the other stand column is provided with a circumferential fixed limit frame, and the force bearing rod piece of the other end of the linear bearing is connected with the torque measuring piece after penetrating through the circumferential fixed limit frame.
Further, the torque measuring part is also provided with a motor base and a motor, the motor base is fixed at the end part of the torque measuring part, the motor is arranged on the motor base, and the propeller is arranged on the rotating shaft of the motor.
Compared with the prior art, the power testing device for the adjustable telescopic culvert unmanned aerial vehicle has the following beneficial effects:
(1) According to the power testing device for the adjustable telescopic culvert unmanned aerial vehicle, provided by the utility model, different culvert states can be simulated through the telescopic culvert module, so that the power system parameters of the unmanned aerial vehicle in the different culvert states are obtained;
(2) According to the power testing device for the adjustable telescopic culvert unmanned aerial vehicle, disclosed by the utility model, the structure is processed by adopting the aluminum material, and is supported by the support posts, so that the structure is not easy to deform due to incoming flow, and the measuring result is more accurate.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
In the drawings:
FIG. 1 is a schematic diagram of a power test device for an adjustable telescopic culvert unmanned aerial vehicle according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a power testing device for an adjustable telescopic culvert unmanned aerial vehicle according to an embodiment of the utility model.
Reference numerals illustrate:
1. a base; 2. a telescoping sleeve module; 3. a duct; 4. a propeller pull-twist measurement assembly;
101. a cross seat; 102. fixing the folding piece; 103. a power supply; 104. a side plate; 105. a second-stage upright post; 106. a first-stage upright post; 107. a single chip microcomputer; 108. a mounting base;
201. a first fixing ring; 202. an inner shaft; 203. an outer sleeve; 204. an outer shaft; 205. a second fixing ring;
401. a tension measuring member; 402. a torque measuring member; 403. a linear bearing; 404. a force-bearing rod piece; 405. a propeller; 406. a motor; 407. a motor base; 408. and a limit frame is circumferentially fixed.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 2, an adjustable telescopic duct 3 unmanned power testing device comprises a base 1, a duct 3 arranged on the base 1, and a propeller 405;
the duct 3 is adjustably arranged on the side wall of the base 1 through a telescopic sleeve, and the propeller 405 is arranged on the top of the base 1 through a propeller 405 tension-torsion measuring assembly 4 and extends into the duct 3;
the propeller 405 tension-torsion measuring assembly 4 comprises a tension measuring piece 401, a torque measuring piece 402 and a linear bearing 403, wherein one end of the tension measuring piece 401 is connected with one end of the linear bearing 403, one end of the torque measuring piece 402 is connected with the other end of the linear bearing 403, the propeller 405 is arranged on the torque measuring piece 402, the propeller 405 drives the linear bearing 403 to move so that the tension measuring piece 401 can measure tension, and the torque measuring piece 402 can measure torque.
The telescopic sleeve comprises a fixing part and an outer sleeve 203, wherein the outer sleeve 203 is movably arranged outside the fixing part, the fixing part comprises a first fixing ring 201 and a plurality of inner shafts 202, the plurality of inner shafts 202 are fixed on the side wall of the first fixing ring 201 at equal intervals, the outer sleeve 203 comprises a plurality of second fixing rings 205 and a plurality of outer shafts 204, the plurality of second fixing rings 205 are arranged at equal intervals, the plurality of outer shafts 204 are vertically and rotatably arranged on the plurality of second fixing rings 205, the plurality of inner shafts 202 and the plurality of outer shafts 204 are in equal numbers, one ends of the plurality of inner shafts 202 respectively extend into the corresponding outer shafts 204, jackscrews are respectively arranged at the end parts of each outer shaft 204, and each inner shaft 202 is fixed on the corresponding outer shaft 204 through the jackscrews.
The outer wall of the duct 3 is provided with mounting holes corresponding to the plurality of outer shafts 204, the other ends of the plurality of outer shafts 204 are provided with threads, and the plurality of outer shafts 204 are respectively in threaded connection with the corresponding mounting holes.
As shown in fig. 1, a plurality of outer shafts 204 are arranged equidistantly, one end is rotatably connected with the side wall of one second fixing ring 205, the other end penetrates through the other second fixing ring 205, so that the outer shafts 204 rotate on the two second fixing rings 205, the outer shafts 204 are conveniently installed with the ducts 3, the outer shafts 204 rotate on the two second fixing rings 205 and are conveniently connected with the installation holes of the ducts 3, the end parts of the outer shafts 204 are in threaded fixation with the ducts 3 by rotating the outer shafts 204, then the outer shafts 204 extend into the outer shafts 204 through the inner shafts 202, the inner shafts 202 are tightly propped up by jackscrews at the other ends of the outer shafts 204, and therefore fixation of the telescopic sleeves is achieved, and if the lengths of the telescopic sleeves are adjusted, the outer shafts 204 can be pulled outwards by loosening the jackscrews.
The base 1 comprises a cross seat 101, a first-stage upright column 106 and second-stage upright columns 105, wherein the first-stage upright column 106 is fixed at the middle position of the cross seat 101 through a fixing folding piece 102, the second-stage upright columns 105 comprise two, and the two second-stage upright columns 105 are symmetrically arranged on the side wall of the first-stage upright column 106 through side plates 104.
One of the secondary upright posts 105 is provided with a mounting seat 108, and the first fixing ring 201 is fixed on the mounting seat 108 through bolts.
As shown in fig. 1, the mounting seat 108 is semicircular, and since the first fixing ring 201 is circular, the second fixing ring 205 and the stress point of the duct 3 are supported by the first fixing ring 201, and therefore, the first fixing ring 201 is fixed on the semicircular mounting seat 108 by bolts, and the mounting is more stable.
The linear bearing 403 is fixed right above the two second-stage upright posts 105, the tension measuring piece 401 is fixed on the side wall of one upright post and connected with one end of the force-bearing rod piece 404 of the linear bearing 403, the other upright post is provided with a circumferential fixed limit frame 408, and the force-bearing rod piece 404 at the other end of the linear bearing 403 penetrates through the circumferential fixed limit frame 408 and then is connected with the torque measuring piece 402.
The torque measuring part 402 is also provided with a motor seat 407 and a motor 406, the motor seat 407 is fixed at the end part of the torque measuring part 402, the motor 406 is arranged on the motor seat 407, and the propeller 405 is arranged on the rotating shaft of the motor 406.
Wherein the tension measuring member 401 adopts a tension sensor, and the model is: 1KG/3KG/5KG small-range-size pressure and tension weighing sensor;
the torque measuring member 402 employs a torque sensor, model number: LT-JKN-101S sensor.
When the propeller 405 is started, the paddles will generate a pulling force forward, so that the propeller 405 drives the force-bearing rod 404 to deform the strain gauge of the tension sensor through the tiny displacement of the linear bearing 403, and the resistance is changed, and the strain gauge is subjected to the related processing of the singlechip 107, so as to generate a reading pulling force.
The torque sensor bolt is fixedly arranged at the hanger of the bearing rod piece 404, the torque sensor is a cylindrical sensor, and a motor shaft of the driving propeller 405 is in interference fit with an inner hole of the torque sensor.
The propeller 405 and the motor shaft rotate synchronously, while the torque sensor base 1 fixed at the bearing rod 404 is fixed, and the relative movement between the base 1 and the shaft generates torsion. The measured torque value is transmitted to the singlechip 107, and the singlechip 107 is used for collecting signals sent by the sensor and transmitting the signals to the upper computer. The serial connection of the lower computer of the singlechip 107 and the upper computer of the computer belongs to the prior art and is not described in detail here.
The base 1 is also provided with a power supply 103 and a singlechip 107.
The power supply 103 and the single-chip microcomputer 107 adopt current components which can be purchased, and power is supplied to the motor 406, the tension measuring member 401, the torque measuring member 402 and the single-chip microcomputer 107 through the power supply 103, and the specific connection mode adopts the current circuit connection, which is not described in detail here.
The specific structure is as follows:
the testing device is installed in the pneumatic platform for testing, the wind tunnel platform is a rectangular cavity, a fan is installed in the rectangular cavity, the fan rotates to provide wind speed, and the testing device is used for simulating wind direction and is convenient to test.
According to the test device, the distance between the outer sleeve 203 and the base 1 is required to be adjusted to simulate different duct 3 states, so that the power system parameters of the unmanned aerial vehicle in different duct 3 states are obtained, when the duct 3 is adjusted to stretch, the outer shaft 204 is pulled to move outwards by loosening the jackscrew of the outer shaft 204, and the duct 3 moves outwards along with the outer shaft, so that the stretching of the duct 3 is adjusted;
during testing, the propeller 405 is started, and when the propeller 405 is started, the blades can generate pulling force forwards, so that the propeller 405 drives the force-bearing rod piece 404 to deform and change resistance through tiny displacement of the linear bearing 403, and the strain gauge of the tension sensor is subjected to relevant processing of the singlechip 107, so that reading pulling force is generated.
The torque sensor bolt is fixedly arranged at the hanger of the bearing rod piece 404, the torque sensor is a cylindrical sensor, and a motor shaft of the driving propeller 405 is in interference fit with an inner hole of the torque sensor.
The propeller 405 and the motor shaft rotate synchronously, while the torque sensor base 1 fixed at the bearing rod 404 is fixed, and the relative movement between the base 1 and the shaft generates torsion. The measured torque value is transmitted to the singlechip 107, and the singlechip 107 is used for collecting signals sent by the sensor and transmitting the signals to the upper computer.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. An adjustable telescopic duct unmanned aerial vehicle power testing arrangement, its characterized in that: comprises a base (1), a duct (3) arranged on the base (1) and a propeller (405);
the duct (3) is adjustably arranged on the side wall of the base (1) through a telescopic sleeve, and the screw (405) is arranged on the top of the base (1) through a screw (405) tension-torsion measuring assembly (4) and extends into the duct (3);
screw (405) draws and twists measuring assembly (4) including pulling force measuring part (401), moment of torsion measuring part (402), linear bearing (403), pulling force measuring part (401) one end is connected with linear bearing (403) one end, moment of torsion measuring part (402) one end is connected with linear bearing (403) the other end, screw (405) are installed on moment of torsion measuring part (402), thereby drive linear bearing (403) through screw (405) and remove and utilize pulling force measuring part (401) to carry out the measurement of pulling force, carry out the measurement of moment of torsion through moment of torsion measuring part (402).
2. The adjustable telescopic ducted unmanned aerial vehicle power testing device according to claim 1, wherein: the telescopic sleeve comprises a fixing part and an outer sleeve (203), wherein the outer sleeve (203) is movably arranged outside the fixing part, the fixing part comprises a first fixing ring (201) and a plurality of inner shafts (202), the inner shafts (202) are fixed on the side wall of the first fixing ring (201) at equal intervals, the outer sleeve (203) comprises a plurality of second fixing rings (205) and a plurality of outer shafts (204), the second fixing rings (205) are arranged at equal intervals, the outer shafts (204) are rotatably arranged on the second fixing rings (205), the inner shafts (202) and the outer shafts (204) are arranged in pairs, and one ends of the inner shafts (202) extend into inner cavities inside the corresponding outer shafts (204);
a jackscrew is mounted on the side wall of the outer shaft (204) near the end of the inner shaft (202), and the inner shaft (202) embedded in the outer shaft (204) is limited by the jackscrew.
3. The adjustable telescopic ducted unmanned aerial vehicle power testing device according to claim 1, wherein: the outer wall of the duct (3) is provided with mounting holes corresponding to the outer shafts (204), the other ends of the outer shafts (204) are provided with threads, and the outer shafts (204) are respectively in threaded connection with the corresponding mounting holes.
4. The adjustable telescopic ducted unmanned aerial vehicle power testing device according to claim 1, wherein: the base (1) comprises a cross seat (101), a first-stage upright post (106) and a second-stage upright post (105), wherein the first-stage upright post (106) is fixed at the middle position of the cross seat (101) through a fixing folding piece (102), the second-stage upright post (105) comprises two second-stage upright posts (105) which are symmetrically arranged on the side wall of the first-stage upright post (106) through side plates (104).
5. The adjustable telescopic ducted unmanned aerial vehicle power testing device according to claim 1, wherein: one of the two-stage upright posts (105) is provided with a mounting seat (108), and the first fixing ring (201) is fixed on the mounting seat (108) through bolts.
6. The adjustable telescopic ducted unmanned aerial vehicle power testing device according to claim 1, wherein: the linear bearing (403) is fixed right above two second-level stand columns (105), the tension measuring piece (401) is fixed on the side wall of one stand column and connected with one end of a force-bearing rod piece (404) of the linear bearing (403), the other stand column is provided with a circumferential fixed limit frame (408), and the force-bearing rod piece (404) at the other end of the linear bearing (403) penetrates through the circumferential fixed limit frame (408) and then is connected with the torque measuring piece (402).
7. The adjustable telescopic ducted unmanned aerial vehicle power testing device according to claim 1, wherein: the torque measuring part (402) is further provided with a motor seat (407) and a motor (406), the motor seat (407) is fixed at the end part of the torque measuring part (402), the motor (406) is arranged on the motor seat (407), and the propeller (405) is arranged on the rotating shaft of the motor (406).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122961962.1U CN220501035U (en) | 2021-11-29 | 2021-11-29 | Adjustable telescopic duct unmanned aerial vehicle power testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122961962.1U CN220501035U (en) | 2021-11-29 | 2021-11-29 | Adjustable telescopic duct unmanned aerial vehicle power testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220501035U true CN220501035U (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122961962.1U Active CN220501035U (en) | 2021-11-29 | 2021-11-29 | Adjustable telescopic duct unmanned aerial vehicle power testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220501035U (en) |
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2021
- 2021-11-29 CN CN202122961962.1U patent/CN220501035U/en active Active
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