CN215525049U - High-thrust coaxial double-propeller test board - Google Patents
High-thrust coaxial double-propeller test board Download PDFInfo
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- CN215525049U CN215525049U CN202122343519.8U CN202122343519U CN215525049U CN 215525049 U CN215525049 U CN 215525049U CN 202122343519 U CN202122343519 U CN 202122343519U CN 215525049 U CN215525049 U CN 215525049U
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Abstract
The utility model discloses a high-thrust coaxial double-paddle test bench, which comprises an underframe and is characterized in that: the two ends of the underframe are respectively provided with vertical stand columns, the upper ends of the stand columns are respectively provided with a cross beam, one end of each cross beam is connected with the corresponding stand column, the other end of each cross beam is provided with a mounting seat for assembling the propeller to be tested, and the mounting seats on the two cross beams are arranged adjacently along the horizontal direction. The utility model provides a high-thrust coaxial double-propeller test bench which can be used for conveniently installing two propellers to be tested and simulating the detection of wind power generated by the propellers under the conditions of different axial intervals and different coaxiality after radial deflection.
Description
Technical Field
The utility model relates to the technical field of propeller detection equipment, in particular to a high-thrust coaxial double-propeller test bench.
Background
The existing propeller airplane or propeller unmanned aerial vehicle has a double-propeller type, so that various performance parameters between the double propellers are often required to be detected and acquired at the beginning of product design, for example, the relation between the coaxiality of the two propellers and the generated wind power, the relation between the distance change of the two propellers and the generated wind power, and the like. In the prior art, a special experiment table for detecting double propellers does not exist.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art: the high-thrust coaxial double-propeller test bench can be used for conveniently installing two propellers to be tested and simulating the detection of wind power generated by the propellers under the conditions of different axial intervals and different coaxiality after radial deviation.
Therefore, one purpose of the utility model is to provide a high-thrust coaxial double-paddle test bench, which comprises an underframe and is characterized in that: the two ends of the underframe are respectively provided with vertical stand columns, the upper ends of the stand columns are respectively provided with a cross beam, one end of each cross beam is connected with the corresponding stand column, the other end of each cross beam is provided with a mounting seat for assembling the propeller to be tested, and the mounting seats on the two cross beams are arranged adjacently along the horizontal direction.
The height of the upright post along the vertical direction is adjustable, so that the height of the cross beam on the upright post along the vertical direction is adjustable.
The two ends of the underframe are respectively provided with a first substrate and a second substrate, one or more backing plates which are stacked in sequence are arranged between the first substrate and the second substrate, and the first substrate and the second substrate are fixedly connected and enable all the backing plates to be clamped between the first substrate and the second substrate.
The mounting base comprises a bearing bottom plate, the propeller to be tested is mounted on the bearing bottom plate, one or more elongated through holes extending along the length direction of the cross beam are formed in the bearing bottom plate, screw holes are formed in positions corresponding to the elongated through holes in the cross beam, and when the bearing bottom plate moves to a set position along the length direction of the cross beam, the fastening bolts are connected with the screw holes in the cross beam through the elongated through holes so that the bearing bottom plate and the cross beam are fastened.
Be equipped with the riser on the bearing bottom plate, support backup plate, slide rail, detection mounting panel, torque sensor, force sensor and motor, slide rail and bearing bottom plate fixed connection, the length direction sliding fit of detection mounting panel along the crossbeam is on the slide rail, the screw that awaits measuring is installed on the positive output shaft of motor, the back and the motor mounting panel of motor link to each other, the motor mounting panel passes through torque sensor and detects mounting panel fixed connection, the riser is located the opposite side that the detection mounting panel deviates from the screw that awaits measuring, and the riser is fixed with the bearing bottom plate, support to lean on the board to be fixed in on the riser, support to pass through between backup plate and the mounting panel force sensor link to each other.
A support is arranged at a position, between the two stand columns, on the chassis, a duct is erected on the support and is located between the two propellers to be measured.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
The technical scheme has the following advantages or beneficial effects: firstly, two screws that await measuring can be installed respectively on the crossbeam of the left and right sides, lift adjustment through the stand can realize the change of axiality, the axial position through the crossbeam removes the detection that can realize the wind-force that produces under the condition of the different axial intervals of two screws that await measuring in addition, secondly, through the structural design to the mount pad of the screw that await measuring of installation, make simple structure not only, this mount pad can satisfy the detection of moment of torsion and axial tension's detection simultaneously moreover, through the wind-force of the screw that awaits measuring of moment of torsion value and tension value feedback.
Drawings
Fig. 1 is a schematic structural diagram of a high thrust coaxial double-paddle test bench of the utility model.
Fig. 2 is a partially enlarged view of the region "a" in fig. 1.
FIG. 3 is a schematic side view of the high thrust coaxial twin-screw test stand of the present invention.
FIG. 4 is a schematic top view of the high thrust coaxial twin-paddle test stand of the present invention.
FIG. 5 is a schematic sectional view taken along the line "B-B" in FIG. 4.
Fig. 6 is a perspective view of the schematic cross-sectional view of fig. 5.
Wherein, 1, a chassis; 2. a column; 3. a cross beam; 4. a first substrate; 5. a second substrate; 6. a base plate; 7. a load-bearing floor; 8. a strip-shaped through hole; 9. a vertical plate; 10. a backup plate; 11. a slide rail; 12. detecting the mounting plate; 13. a torque sensor; 14. a tension sensor; 15. a motor; 16. a motor mounting plate; 17. a support; 18. a duct; 19. and (6) testing the propeller.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
The high thrust coaxial twin-screw test bench according to the embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
The first embodiment is as follows:
the utility model provides a high-thrust coaxial double-paddle test bench, which comprises an underframe 1 and is characterized in that: the both ends of chassis 1 are equipped with stand 2 of erectting respectively, and the upper end of each stand 2 all is equipped with crossbeam 3, the one end of crossbeam 3 links to each other with the stand 2 that corresponds, the other end of crossbeam 3 is equipped with the mount pad that is used for assembling screw 19 that awaits measuring to mount pad on two crossbeams 3 is adjacent along the horizontal direction setting.
Preferably, in order to realize the lifting and lowering of the cross beam 3 so as to realize the setting of different coaxiality of the propeller 19 to be tested on the cross beam 3, the improvement of the embodiment is as follows: the height of the upright post 2 along the vertical direction is adjustable, so that the height of the cross beam 3 on the upright post 2 along the vertical direction is adjustable.
In order to realize height adjustment of the column 2, one of specific examples of the present embodiment is: the two ends of the underframe 1 are respectively provided with a first substrate 4 and a second substrate 5, one or more backing plates 6 stacked in sequence are arranged between the first substrate 4 and the second substrate 5, and the first substrate 4 and the second substrate 5 are fixedly connected and all the backing plates 6 are clamped between the first substrate 4 and the second substrate 5. Through the increase and decrease of the base plate 6 with the standard thickness, the error of the height change quantity of the stand column 2 can be small, and finally, the detection numerical value can be more accurate.
In order to realize height adjustment of the upright column 2, the second specific example of the present embodiment is: and a lifting cylinder or a hydraulic cylinder is arranged at the bottom of the upright post 2 and is connected with the bottom frame 1 through the lifting cylinder.
In order to realize the height adjustment of the column 2, the third specific example of the embodiment is: the bottom of the upright post 2 is provided with an electric or means lifting screw rod, one end of the lifting screw rod is in running fit with the underframe 1, the other end of the lifting screw rod is in threaded transmission with a threaded hole in the upright post, and the lifting screw rod is powered manually or electrically to rotate.
Preferably, the mounting base comprises a bearing bottom plate 7, the propeller 19 to be tested is mounted on the bearing bottom plate 7, one or more elongated through holes 8 extending along the length direction of the cross beam 3 are formed in the bearing bottom plate 7, screw holes are formed in positions, corresponding to the elongated through holes 8, on the cross beam 3, and after the bearing bottom plate 7 moves to a set position along the length direction of the cross beam 3, fastening bolts are connected with the screw holes in the cross beam 3 through the elongated through holes 8 so that the bearing bottom plate 7 and the cross beam 3 are fastened. The load-bearing bottom plate 7 can be adjusted along the length direction of the load-bearing bottom plate by loosening the fastening bolt, and when the fastening bolt is screwed after the set position is adjusted, the load-bearing bottom plate 7 and the cross beam 3 are screwed by the fastening bolt, so that the relative positions of the load-bearing bottom plate 7 and the cross beam 3 are fixed, and the effect of fixed connection is realized.
Preferably, a vertical plate 9, a leaning plate 10, a sliding rail 11, a detection mounting plate 12, a torque sensor 13, a tension sensor 14 and a motor 15 are arranged on the bearing bottom plate 7, the sliding rail 11 is fixedly connected with the bearing bottom plate 7, the detection mounting plate 12 is in sliding fit on the sliding rail 11 along the length direction of the cross beam 3, the screw 19 to be detected is mounted on an output shaft on the front surface of the motor 15, the back surface of the motor 15 is connected with a motor mounting plate 16, the motor 15 mounting plate is fixedly connected with the detection mounting plate 12 through the torque sensor 13, the vertical plate 9 is located on the other side, away from the screw 19 to be detected, of the detection mounting plate 12, the vertical plate 9 is fixed with the bearing bottom plate 7, the leaning plate 10 is fixed on the vertical plate 9, and the leaning plate 10 is connected with the mounting plate through the tension sensor 14. The structural design of this mount pad for the simple structure of this mount pad has possessed torque sensor 13 and force transducer 14 simultaneously and can realize the detection of the moment of torsion of circumference and axial tension value on this mount pad.
Certainly, the propeller 19 to be detected has two conditions of forward rotation and reverse rotation, and if the wind force generated by the forward rotation of the propeller 19 to be detected drives the detection mounting plate 12 to move towards the abutting plate 10, the tension sensor 14 and the detection mounting plate 12 do not need to be fixedly connected, but only the two are abutted, and the thrust detected by the tension sensor 14 should be the thrust of the detection mounting plate 12 at this time. If the wind generated by the reverse rotation of the propeller 19 to be detected drives the detection mounting plate 12 to move in the direction away from the abutting plate 10, the detection mounting plate 12 has a pulling force for pulling the tension sensor 14, so that the detection mounting plate 12 and the tension sensor 14 should be fixedly connected in the axial direction, and the tension sensor 14 should detect the pulling force of the detection mounting plate 12.
Preferably, a bracket 17 is arranged on the chassis 1 between the two columns 2, a duct 18 is erected on the bracket 17, and the duct 18 is arranged between the two propellers 19 to be measured. Duct 18 is the loop configuration, and its surface comprises a plurality of cambered surfaces, and the true flight parameter of the double propeller unmanned aerial vehicle or the double propeller helicopter that have the duct that can be better simulation from this makes detected data more accurate.
The large thrust in the present embodiment refers to a thrust with a test wind force of more than 30kgf, and is particularly suitable for a thrust test exceeding 100 kgf.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Various alterations and modifications will no doubt become apparent to those skilled in the art after having read the above description. Therefore, the appended claims should be construed to cover all such variations and modifications as fall within the true spirit and scope of the utility model. Any and all equivalent ranges and contents within the scope of the claims should be considered to be within the intent and scope of the present invention.
Claims (6)
1. The utility model provides a coaxial double-oar testboard of high thrust, it includes chassis (1), its characterized in that: the both ends of chassis (1) are equipped with stand (2) of erectting respectively, and the upper end of each stand (2) all is equipped with crossbeam (3), the one end of crossbeam (3) links to each other with stand (2) that correspond, the other end of crossbeam (3) is equipped with the mount pad that is used for assembling screw (19) that await measuring to mount pad on two crossbeams (3) is adjacent along the horizontal direction and is set up.
2. The high thrust coaxial twin-paddle test stand of claim 1, wherein: the height of the upright post (2) along the vertical direction is adjustable, so that the height of the cross beam (3) on the upright post (2) along the vertical direction is adjustable.
3. The high thrust coaxial twin-paddle test stand of claim 2, wherein: the two ends of the underframe (1) are respectively provided with a first base plate (4) and a second base plate (5), one or more backing plates (6) stacked in sequence are arranged between the first base plate (4) and the second base plate (5), and the first base plate (4) and the second base plate (5) are fixedly connected and all the backing plates (6) are clamped between the first base plate (4) and the second base plate (5).
4. A high thrust coaxial twin-paddle test stand according to any of claims 1 to 3 characterised in that: the mount pad includes bearing bottom plate (7), the screw (19) that await measuring are installed in bearing bottom plate (7), bearing bottom plate (7) go up along one or more rectangular shape through-hole (8) that the length direction of crossbeam (3) extends, the position that lies in each rectangular shape through-hole (8) on crossbeam (3) and corresponds all is equipped with the screw hole, and the length direction who moves to setting for the position back fastening bolt along crossbeam (3) when bearing bottom plate (7) links to each other so that through the screw hole on rectangular shape through-hole (8) and crossbeam (3) the fastening of bearing bottom plate (7) and crossbeam (3).
5. The high thrust coaxial twin-paddle test stand of claim 4, wherein: the bearing bottom plate (7) is provided with a vertical plate (9), a leaning plate (10), a sliding rail (11), a detection mounting plate (12), a torque sensor (13), a tension sensor (14) and a motor (15), the sliding rail (11) is fixedly connected with the bearing bottom plate (7), the detection mounting plate (12) is in sliding fit on the sliding rail (11) along the length direction of the cross beam (3), a propeller (19) to be detected is mounted on an output shaft on the front side of the motor (15), the back side of the motor (15) is connected with the motor mounting plate (16), the motor (15) mounting plate is fixedly connected with the detection mounting plate (12) through the torque sensor (13), the vertical plate (9) is positioned on the other side of the detection mounting plate (12) departing from the propeller (19) to be detected, the vertical plate (9) is fixed with the bearing bottom plate (7), and the leaning plate (10) is fixed on the vertical plate (9), the abutting plate (10) is connected with the mounting plate through the tension sensor (14).
6. The high thrust coaxial double-paddle test bench according to any one of claims 1, 2, 3 and 5, wherein: the position that lies in between two stand (2) on chassis (1) is equipped with support (17), support (17) are put on the shelf and are equipped with duct (18), duct (18) are located between two screw propellers (19) that await measuring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122343519.8U CN215525049U (en) | 2021-09-26 | 2021-09-26 | High-thrust coaxial double-propeller test board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122343519.8U CN215525049U (en) | 2021-09-26 | 2021-09-26 | High-thrust coaxial double-propeller test board |
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| Publication Number | Publication Date |
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| CN215525049U true CN215525049U (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122343519.8U Active CN215525049U (en) | 2021-09-26 | 2021-09-26 | High-thrust coaxial double-propeller test board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115285388A (en) * | 2022-10-08 | 2022-11-04 | 南京航空航天大学 | Coaxial double-rotor testing device for mars |
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2021
- 2021-09-26 CN CN202122343519.8U patent/CN215525049U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115285388A (en) * | 2022-10-08 | 2022-11-04 | 南京航空航天大学 | Coaxial double-rotor testing device for mars |
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