CN209820660U - Tiltable rotor power measuring device - Google Patents
Tiltable rotor power measuring device Download PDFInfo
- Publication number
- CN209820660U CN209820660U CN201821984659.5U CN201821984659U CN209820660U CN 209820660 U CN209820660 U CN 209820660U CN 201821984659 U CN201821984659 U CN 201821984659U CN 209820660 U CN209820660 U CN 209820660U
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- CN
- China
- Prior art keywords
- pressure sensor
- rotor wing
- swing arm
- sliding column
- rotor
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Abstract
The utility model discloses a can empty rotor power measuring device and measuring method thereof, the device mainly include rotor, motor fixed plate, swing arm, guide block, slide post, pressure sensor, signal acquisition box, pneumatic cylinder, hydraulic pressure post, base, the head that verts. The method is characterized in that: the rotor wing is driven by the motor to rotate to generate pulling force, so that the sliding column is pushed to generate displacement until the sliding column is contacted with the pressure sensor, and the pulling force of the rotor wing can be obtained through the pressure sensor; the swing arm can swing under the action of the torque of the rotor wing, and when the swing arm is contacted with the pressure sensor, the torque generated by the rotor wing can be obtained according to the product of the reading of the pressure sensor and the length of the swing arm; the rotor wing device can also realize tilting through the hydraulic rod, thereby measuring the pulling force and the moment of the rotor wing under different tilting angles. The utility model discloses the advantage: simple structure, reliability, strong practicability and wide application range.
Description
Technical Field
The utility model relates to an aviation field, concretely relates to can empty rotor power measurement device that changes.
Background
In recent years, with the rapid development of various aircrafts, the performance requirements on the rotor wing are continuously improved, the rotor wing power measurement is carried out at the same time, and as the common rotor wing power measurement device on the market can only measure the performances of the rotor wing tension, the lift force and the like under one angle state generally, the requirements for measuring the performance of the rotor wing under different windward angles can not be met, the device capable of measuring the performance of the rotor wing under different inclination angle states is particularly important. To above defect, the utility model designs a can measure the device of rotor performance under the angle that verts of difference.
SUMMERY OF THE UTILITY MODEL
A tiltable rotor power measuring device mainly comprises a rotor, a motor fixing plate, a swing arm, a guide block, a sliding column, a pressure sensor, a signal acquisition box, a hydraulic cylinder, a hydraulic column, a base and a tilting head.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:
a tiltable rotor wing power measuring device comprises a rotor wing 1, a swing arm 2, a first pressure sensor 3, a second pressure sensor 12, a signal collecting box 4, a motor 9, a guide block 10 and a sliding column 11; wherein;
the rotor wing 1 is connected to the output end of the motor 9, the rotor wing 1, the motor 9 and the sliding column 11 are coaxially connected, and the sliding column 11 slides in the guide block 10 under the pushing force generated by the rotation of the rotor wing 1;
the second pressure sensor 12 is disposed in front of the sliding column 11 in the moving direction, and can contact the second pressure sensor 12 after the sliding column 11 moves;
the front end of the sliding column 11 is fixedly connected with a swing arm 2, and the sliding column 11 rotates in the guide block 10 under the action of the torque of the rotor wing 1, so that the swing arm 2 is driven to swing; the first pressure sensor (3) is mounted at the lower end of the swing arm 2, and the swing arm 2 is in contact with the first pressure sensor 3 when swinging.
Furthermore, the first sensor 3 is provided with a contact ring 13, and the swing arm 2 is contacted with the contact ring 13 of the pressure sensor 12 when swinging, so as to measure the torque generated by the rotor 1.
Furthermore, the measuring device can also adjust the tilting angle of the tilting head through the expansion and contraction of a hydraulic device, so as to measure the tension and the moment of the rotor wing under different tilting angles, the hydraulic device comprises a hydraulic rod 8 and a hydraulic cylinder 7, one end of the hydraulic rod 8 is connected to the hydraulic cylinder 7, and the other end of the hydraulic rod is hinged to one side of the tilting head 14; the hydraulic cylinder 7 is hinged on the base 6, and the other end of the hydraulic cylinder is connected with a hydraulic rod; the whole tilting of the measuring device is realized through the expansion and contraction of the hydraulic device.
Preferably, the sliding column 11 is connected to the guide block 10 by a sliding bearing, and the sliding column can move linearly and rotationally in the guide block.
The utility model discloses still provide the measuring method based on above-mentioned tiltrotor power measuring device, the method includes following step:
firstly, the rotor wing 1 is driven by the motor 9 to rotate to generate pulling force, so that the sliding column 11 is pushed to generate displacement in the guide block 10 until the sliding column is contacted with the second pressure sensor 12, and the pulling force of the rotor wing can be measured by the second pressure sensor 12;
secondly, the swing arm 2 swings under the action of the torque of the rotor wing, and when the swing arm is in contact with the contact ring 13 of the first pressure sensor 3, the magnitude of the torque generated by the rotor wing can be obtained according to the product of the reading of the first pressure sensor 3 and the vertical distance between the swing arm 2 and the axis of the rotor wing shaft.
Furthermore, the measuring method also comprises the step of enabling the rotor wing device to tilt through the hydraulic rod 8, so that the pulling force and the moment of the rotor wing under different tilting angles can be measured.
Further, the sliding column 11 has sliding friction in the guide block 10.
The utility model adopts the above technical scheme and prior art contrast, have following technological effect:
the data wireless transmission can be realized between the accessible signal box and the user, and the signal box can gather sensor data and processing data, and is convenient and reliable, improves work efficiency greatly.
The measuring method of the rotor wing tension and the torque is simple and reliable, and accurate data can be obtained under the condition of saving cost.
The tilting structure is simple and reliable, has high flexibility, strong practicability and wide application range.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a partial enlarged view of the present invention;
fig. 3 is a schematic diagram of the device tilted by 90 °.
In the figure, 1-rotor, 2-swing arm, 3-first pressure sensor, 4-signal collection box, 5-strut, 6-base, 7-hydraulic cylinder, 8-hydraulic rod, 9-motor, 10-guide block, 11-sliding column, 12-second pressure sensor, 13-contact ring and 14-tilting head.
Detailed Description
The technical scheme of the utility model is further explained in detail with the attached drawings as follows:
example 1
As shown in fig. 1 to 2, the utility model discloses a rotor power measuring device, which mainly includes rotor 1, swing arm 2, first pressure sensor 3, signal acquisition box 4, pillar 5, base 6, pneumatic cylinder 7, hydraulic stem 8, motor 9, guide block 10, slide post 11, second pressure sensor 12, contact ring 13.
The rotor wing 1 is connected to the output end of the motor 9, the rotor wing 1, the motor 9 and the sliding column 11 are coaxially connected, and the sliding column 11 slides in the guide block 10 under the pushing force generated by the rotation of the rotor wing 1;
the second pressure sensor 12 is disposed in front of the sliding column 11 in the moving direction, and can contact the second pressure sensor 12 after the sliding column 11 moves;
the front end of the sliding column 11 is fixedly connected with a swing arm 2, and the sliding column 11 rotates in the guide block 10 under the action of the torque of the rotor wing 1, so that the swing arm 2 is driven to swing; the first pressure sensor (3) is mounted at the lower end of the swing arm 2, and the swing arm 2 is in contact with the first pressure sensor 3 when swinging.
Furthermore, the first sensor 3 is provided with a contact ring 13, and the swing arm 2 is contacted with the contact ring 13 of the pressure sensor 12 when swinging, so as to measure the torque generated by the rotor 1.
Further, the measuring device further comprises a support column 5 and a base 6, wherein the support column 5 is vertically arranged on the base 6. The hydraulic cylinder is hinged with the bottom of the support column and can rotate relatively. The tilting head is hinged with the hydraulic rod and the strut and can rotate relatively, and the tilting head is fixedly connected with a first sensor, a second sensor, a guide block and a signal acquisition box. The signal acquisition box is used for transmitting signals with a computer and acquiring and processing pressure signals of the first pressure sensor and the second pressure sensor.
Preferably, the sliding column 11 is connected to the guide block 10 by a sliding bearing, and the sliding column can move linearly and rotationally in the guide block.
Example 2
On the basis of the device, the measuring device provided by the utility model can also adjust the tilting angle of the tilting head through the extension and retraction of the hydraulic device, the hydraulic device comprises a hydraulic rod 8 and a hydraulic cylinder 7, one end of the hydraulic rod 8 is connected to the hydraulic cylinder 7, and the other end is hinged on one side of the tilting head 14; the hydraulic cylinder 7 is hinged on the base 6, and the other end of the hydraulic cylinder is connected with a hydraulic rod 8; the whole tilting of the measuring device is realized through the expansion and contraction of the hydraulic device.
Example 3
The utility model discloses still provide the measuring method based on above-mentioned tiltrotor power measuring device, the method includes following step:
firstly, the rotor wing 1 is driven by the motor 9 to rotate to generate pulling force, so that the sliding column 11 is pushed to generate displacement in the guide block 10 until the sliding column is contacted with the second pressure sensor 12, and the pulling force of the rotor wing can be measured by the second pressure sensor 12;
secondly, the swing arm 2 swings under the action of the torque of the rotor wing, and when the swing arm is in contact with the contact ring 13 of the first pressure sensor 3, the magnitude of the torque generated by the rotor wing can be obtained according to the product of the reading of the first pressure sensor 3 and the vertical distance between the swing arm 2 and the axis of the rotor wing shaft.
Furthermore, the measuring method also comprises the step of enabling the rotor wing device to tilt through the hydraulic rod 8, so that the pulling force and the moment of the rotor wing under different tilting angles can be measured.
Further, the sliding column 11 has sliding friction in the guide block 10.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A tiltable rotor wing power measuring device is characterized by comprising a rotor wing (1), a swing arm (2), a first pressure sensor (3), a second pressure sensor (12), a signal acquisition box (4), a motor (9), a guide block (10) and a sliding column (11); wherein;
the rotor wing (1) is connected to the output end of the motor (9), the rotor wing (1), the motor (9) and the sliding column (11) are coaxially connected, and the sliding column (11) slides in the guide block (10) under the pushing force generated by the rotation of the rotor wing (1);
the second pressure sensor (12) is arranged in front of the sliding column (11) in the moving direction, and can contact the second pressure sensor (12) after the sliding column (11) moves;
the front end of the sliding column (11) is fixedly connected with a swing arm (2), and the sliding column (11) rotates in the guide block (10) under the torque action of the rotor wing (1) so as to drive the swing arm (2) to swing; the first pressure sensor (3) is mounted at the lower end of the swing arm (2), and the swing arm (2) is in contact with the first pressure sensor (3) when swinging.
2. A tiltrotor rotor power measuring apparatus according to claim 1, wherein said first pressure sensor (3) has a contact ring (13) thereon, and said oscillating arm (2) is adapted to be in contact with the contact ring (13) of the pressure sensor (12) during oscillation thereof for measuring the torque generated by the rotor (1).
3. A tiltrotor dynamic measurement apparatus according to claim 1 or 2, wherein said measurement apparatus further comprises a mast (5), a base (6), said mast (5) being vertically mounted on said base (6); the bottom of the pillar is hinged with a hydraulic rod which can rotate relatively; the tilting head is hinged with the hydraulic rod and the strut and can rotate relatively, and the tilting head is fixedly connected with a first pressure sensor, a second sensor, a guide block and a signal acquisition box; the signal acquisition box is used for transmitting signals with a computer and acquiring and processing pressure signals of the first pressure sensor and the second pressure sensor.
4. A tiltable rotor power measuring apparatus according to claim 3, wherein the measuring apparatus further adjusts the tilting angle of the tilting head by extending and retracting a hydraulic device, the hydraulic device comprises a hydraulic rod (8) and a hydraulic cylinder (7), one end of the hydraulic rod (8) is connected to the hydraulic cylinder (7), and the other end is hinged to one side of the tilting head (14); the hydraulic cylinder (7) is hinged on the base (6), and the other end of the hydraulic cylinder is connected with a hydraulic rod (8); the whole tilting of the measuring device is realized through the expansion and contraction of the hydraulic device.
5. A tiltrotor power measurement apparatus according to claim 3, wherein the traveler post (11) is connected to the guide block (10) by a slide bearing, and the traveler post is movable linearly and rotationally in the guide block.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821984659.5U CN209820660U (en) | 2018-11-29 | 2018-11-29 | Tiltable rotor power measuring device |
Applications Claiming Priority (1)
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CN201821984659.5U CN209820660U (en) | 2018-11-29 | 2018-11-29 | Tiltable rotor power measuring device |
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CN209820660U true CN209820660U (en) | 2019-12-20 |
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CN201821984659.5U Expired - Fee Related CN209820660U (en) | 2018-11-29 | 2018-11-29 | Tiltable rotor power measuring device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109387314A (en) * | 2018-11-29 | 2019-02-26 | 南京航空航天大学 | One kind can tilting rotor dynamometry device and its measurement method |
-
2018
- 2018-11-29 CN CN201821984659.5U patent/CN209820660U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109387314A (en) * | 2018-11-29 | 2019-02-26 | 南京航空航天大学 | One kind can tilting rotor dynamometry device and its measurement method |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 Termination date: 20211129 |
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CF01 | Termination of patent right due to non-payment of annual fee |