CN209858169U - Ducted fan thrust testing device based on force line translation principle - Google Patents
Ducted fan thrust testing device based on force line translation principle Download PDFInfo
- Publication number
- CN209858169U CN209858169U CN201920976600.XU CN201920976600U CN209858169U CN 209858169 U CN209858169 U CN 209858169U CN 201920976600 U CN201920976600 U CN 201920976600U CN 209858169 U CN209858169 U CN 209858169U
- Authority
- CN
- China
- Prior art keywords
- guide rail
- ducted fan
- fixedly connected
- tension
- thrust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a ducted fan thrust testing arrangement based on line of force translation principle belongs to ducted fan thrust testing arrangement technical field, including bottom plate, base, guide rail bed hedgehopping piece, guide rail, slider, guide rail connecting block, ducted fan, moment transmission device and data acquisition system. The utility model discloses a duct fan thrust test equipment based on design of line of force translation principle has kept great wind channel space under the prerequisite that five degrees of freedom are retrained guaranteeing for duct fan's thrust furthest's reservation. Through this design, can reduce testing arrangement's volume and increase factor of safety minimum when effectively having avoided duct fan's wind channel to be obstructed, utilize compactest, safe method, reach duct fan's air inlet and air-out and hinder littleer, obtain more accurate test result. Through the cooperation of the torque transmission mechanism, the accurate measurement of the horizontal thrust of the ducted fan can be realized through the real-time data reading of the tension pressure sensor and the data receiving and displaying device.
Description
Technical Field
The utility model belongs to the technical field of duct fan thrust testing arrangement, especially relate to a duct fan thrust testing arrangement based on line of force translation principle.
Background
A ducted fan is a propulsion device with a duct arranged at the periphery of a free propeller. At present, due to the kinetic energy characteristic of the duct, the duct is compact in structure, low in aerodynamic noise and good in use safety, and therefore the duct is used as a thrust or lift device and widely applied to the scenes such as small vertical take-off and landing duct fan aircrafts, seaplane power and the like. The testing device for the domestic common ducted fans has a plurality of devices, but the testing device is a measuring device which can not only ensure that the air duct space is not blocked, but also ensure small volume. Patent document CN206504852U discloses a thrust testing device, which includes a testing platform and a guiding structure, and a force measuring device is connected with a ducted fan through a connecting piece to measure the thrust of the ducted fan. However, the ducted fan duct of this solution is affected by blocking, and has a large influence on the actual numerical value of the thrust. Meanwhile, the position of the ducted fan cannot be effectively adjusted, and accurate measurement cannot be achieved.
Therefore, there is a need in the art for a new solution to solve this problem.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the ducted fan thrust testing device based on the force line translation principle is used for solving the technical problems that a ducted fan thrust testing device in the prior art is large in size, blocked in air duct space and low in measurement precision.
A ducted fan thrust testing device based on a force line translation principle comprises a bottom plate, two bases, a guide rail heightening block, a guide rail, a sliding block, a guide rail connecting block, a ducted fan, a torque transmission mechanism and a data acquisition system, wherein the two bases are fixedly arranged on the upper part of the bottom plate and are symmetrically arranged; the number of the guide rail heightening blocks is two, the two guide rail heightening blocks are arranged in parallel, the two guide rail heightening blocks are respectively bridged at two ends of the upper parts of the two bases, and guide rails are fixedly arranged on the upper parts of the guide rail heightening blocks; the lower part of the sliding block is connected with the guide rail in a sliding way, and the upper part of the sliding block is fixedly connected with the guide rail connecting block; two ends of the side wall of the ducted fan are fixedly connected with the guide rail connecting block, and the lower part of the side wall of the ducted fan is provided with a support lug;
the data acquisition system comprises a tension sensor and a data receiving and displaying device;
the moment transmission mechanism comprises a fixed block, a sensor connecting rod, a tension connecting screw rod and a column plate; the fixed block is fixedly arranged at the upper part of the bottom plate and is fixedly connected with one end of the sensor connecting rod; one end of the tension sensor is fixedly connected with the other end of the sensor connecting rod, the other end of the tension sensor is fixedly connected with one end of the tension connecting screw rod, and the tension sensor is connected with the data receiving and displaying device through a data line; the lower part of the upright post plate is fixedly connected with the other end of the tension connecting screw rod, and the upper part of the upright post plate is fixedly connected with a support lug of the ducted fan.
And the side wall of the sliding block connected with the guide rail is provided with a ball.
The tension sensor is an S-shaped tension sensor.
The data receiving and displaying device comprises a computer and a tablet computer.
Through the above design scheme, the utility model discloses following beneficial effect can be brought:
the utility model discloses a duct fan thrust test equipment based on design of line of force translation principle has kept great wind channel space under the prerequisite that five degrees of freedom are retrained guaranteeing for duct fan's thrust furthest's reservation. Through this design, can reduce testing arrangement's volume and increase factor of safety minimum when effectively having avoided duct fan's wind channel to be obstructed, utilize compactest, safe method, reach duct fan's air inlet and air-out and hinder littleer, obtain more accurate test result. Through the cooperation of the torque transmission mechanism, the accurate measurement of the horizontal thrust of the ducted fan can be realized through the real-time data reading of the tension pressure sensor and the data receiving and displaying device.
Drawings
The invention is further described with reference to the following drawings and detailed description:
fig. 1 is the utility model relates to a duct fan thrust testing arrangement's schematic structure based on line of force translation principle.
Fig. 2 is the utility model relates to a ducted fan thrust testing arrangement's side view structure schematic diagram based on line of force translation principle.
In the figure, 1-bottom plate, 2-base, 3-guide rail block, 4-guide rail, 5-slide block, 6-guide rail connecting block, 7-ducted fan, 8-torque transmission mechanism, 9-tension sensor, 801-fixing block, 802-sensor connecting rod, 803-tension connecting screw rod and 804-column plate.
Detailed Description
As shown in the figure, the ducted fan thrust testing device based on the force line translation principle comprises a bottom plate 1, two bases 2, a guide rail heightening block 3, a guide rail 4, a sliding block 5, a guide rail connecting block 6, a ducted fan 7, a torque transmission mechanism 8 and a data acquisition system, wherein the two bases 2 are fixedly arranged on the upper part of the bottom plate 1, and the two bases 2 are symmetrically arranged; the number of the guide rail heightening blocks 3 is two, the two guide rail heightening blocks 3 are arranged in parallel, the two guide rail heightening blocks 3 are respectively bridged at two ends of the upper parts of the two bases 2, guide rails 4 are fixedly arranged on the upper parts of the guide rail heightening blocks 3, and the guide rails 4 on the two guide rail heightening blocks 3 are arranged in parallel; the side wall of the sliding block 5 connected with the guide rail 4 is provided with a ball, the lower part of the sliding block 5 is connected with the guide rail 4 in a sliding way, and the upper part of the sliding block 5 is fixedly connected with the guide rail connecting block 6; two ends of the side wall of the ducted fan 7 are fixedly connected with the guide rail connecting block 6, and the lower part of the side wall of the ducted fan 7 is provided with a support lug;
the data acquisition system comprises a tension sensor 9 and a data receiving and displaying device, wherein the tension sensor 9 is used as a data acquisition tool, the tension sensor 9 is communicated with a computer or a tablet personal computer and other data receiving and displaying devices through RS-232 to USB conversion, 30 groups of data can be recorded in real time, the high precision and the high resolution are achieved, and the highest resolution reaches 0.0001N.
The moment transmission mechanism 8 comprises a fixed block 801, a sensor connecting rod 802, a tension connecting screw 803 and a column plate 804; the fixed block 801 is fixedly arranged at the upper part of the bottom plate 1, and the fixed block 801 is fixedly connected with one end of the sensor connecting rod 802; the tension sensor 9 is an S-shaped tension sensor, one end of the tension sensor 9 is fixedly connected with the other end of the sensor connecting rod 802, the other end of the tension sensor 9 is fixedly connected with one end of the tension connecting screw 803, and the tension sensor 9 is connected with the data receiving and displaying device through a data line; the lower part of the upright column plate 804 is fixedly connected with the other end of the tension connecting screw 803, and the upper part of the upright column plate 804 is fixedly connected with the support lug of the ducted fan 7.
Since the thrust action points are released on the two lugs on the ducted fan 7 and are cancelled by the guide rail 4 and the slide 5 except for the Z-direction degree of freedom, only the Z-direction thrust is present in the test apparatus. After the lower part of the support lug is connected to the tension connecting screw 803 through the column plate 804, the horizontal pushing force is transferred to the action point, namely, from the support lug point of the ducted fan 7 to the axis of the tension connecting screw 803. According to the principle of force line translation, once the translation of the force acting point occurs, a moment is necessarily generated, and the moment is perpendicular to the tension direction and is counteracted by the ball arranged between the slide block 5 and the guide rail 4, so that the test result of the tension sensor 9 is not influenced.
Claims (4)
1. The utility model provides a duct fan thrust testing arrangement based on line of force translation principle, characterized by: the device comprises a bottom plate (1), bases (2), guide rail heightening blocks (3), guide rails (4), sliding blocks (5), guide rail connecting blocks (6), ducted fans (7), a torque transmission mechanism (8) and a data acquisition system, wherein the number of the bases (2) is two, the two bases (2) are fixedly arranged on the upper part of the bottom plate (1), and the two bases (2) are symmetrically arranged; the number of the guide rail heightening blocks (3) is two, the two guide rail heightening blocks (3) are arranged in parallel, the two guide rail heightening blocks (3) are respectively bridged at two ends of the upper parts of the two bases (2), and guide rails (4) are fixedly arranged on the upper parts of the guide rail heightening blocks (3); the lower part of the sliding block (5) is in sliding connection with the guide rail (4), and the upper part of the sliding block (5) is fixedly connected with the guide rail connecting block (6); two ends of the side wall of the ducted fan (7) are fixedly connected with the guide rail connecting block (6), and a support lug is arranged at the lower part of the side wall of the ducted fan (7);
the data acquisition system comprises a tension sensor (9) and a data receiving and displaying device;
the moment transmission mechanism (8) comprises a fixed block (801), a sensor connecting rod (802), a tension connecting screw rod (803) and an upright plate (804); the fixing block (801) is fixedly arranged at the upper part of the bottom plate (1), and the fixing block (801) is fixedly connected with one end of the sensor connecting rod (802); one end of the tension sensor (9) is fixedly connected with the other end of the sensor connecting rod (802), the other end of the tension sensor (9) is fixedly connected with one end of the tension connecting screw rod (803), and the tension sensor (9) is connected with the data receiving and displaying device through a data line; the lower part of the upright column plate (804) is fixedly connected with the other end of the tension connecting screw rod (803), and the upper part of the upright column plate (804) is fixedly connected with a support lug of the ducted fan (7).
2. The ducted fan thrust test apparatus based on the force line translation principle as claimed in claim 1, wherein: and the side wall of the sliding block (5) connected with the guide rail (4) is provided with a ball.
3. The ducted fan thrust test apparatus based on the force line translation principle as claimed in claim 1, wherein: the tension sensor (9) is an S-shaped tension sensor.
4. The ducted fan thrust test apparatus based on the force line translation principle as claimed in claim 1, wherein: the data receiving and displaying device comprises a computer and a tablet computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920976600.XU CN209858169U (en) | 2019-06-27 | 2019-06-27 | Ducted fan thrust testing device based on force line translation principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920976600.XU CN209858169U (en) | 2019-06-27 | 2019-06-27 | Ducted fan thrust testing device based on force line translation principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209858169U true CN209858169U (en) | 2019-12-27 |
Family
ID=68942512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920976600.XU Active CN209858169U (en) | 2019-06-27 | 2019-06-27 | Ducted fan thrust testing device based on force line translation principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209858169U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111038193A (en) * | 2020-01-07 | 2020-04-21 | 长春工程学院 | Land-wheel air-propeller type amphibious aircraft and switching method |
| CN111413063A (en) * | 2020-03-05 | 2020-07-14 | 长春理工大学 | Ducted fan multi-degree-of-freedom testing device and method thereof |
-
2019
- 2019-06-27 CN CN201920976600.XU patent/CN209858169U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111038193A (en) * | 2020-01-07 | 2020-04-21 | 长春工程学院 | Land-wheel air-propeller type amphibious aircraft and switching method |
| CN111413063A (en) * | 2020-03-05 | 2020-07-14 | 长春理工大学 | Ducted fan multi-degree-of-freedom testing device and method thereof |
| CN111413063B (en) * | 2020-03-05 | 2022-06-03 | 长春理工大学 | Ducted fan multi-degree-of-freedom testing device and method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209858169U (en) | Ducted fan thrust testing device based on force line translation principle | |
| US4728483A (en) | Apparatus for integrated fuel assembly inspection system | |
| CN108362466B (en) | Horizontal throat block driving device for continuous transonic wind tunnel semi-flexible wall nozzle guide rail | |
| CN201138283Y (en) | Automatic test apparatus for microcomputer controlled elastic side bearing | |
| CN114112290A (en) | Flow field displacement measuring device applied to transonic wind tunnel | |
| CN104237118A (en) | Novel micro-control dynamic friction coefficient tester | |
| CN209145780U (en) | The variable-distance wind tunnel experiment testing jig of disturbing effect between a kind of measurement vertical shaft fan | |
| CN206160955U (en) | Power lithium cell thickness measuring device | |
| CN209727693U (en) | A kind of no-Co-alloy steel Repose angle gauge | |
| CN109839312B (en) | Device for calibrating static rigidity of mooring cable in air | |
| CN205245984U (en) | Lift gauge automatic checkout device | |
| CN204188506U (en) | A kind of novel micro-control kinetic friction coefficient tester | |
| WO2024026973A1 (en) | Anti-collision performance testing device for safety chassis, and usage method therefor | |
| CN206431924U (en) | A kind of Physical Experiment apparatus for demonstrating | |
| CN206756127U (en) | A kind of high-precision Self-resetting probe-type displacement measuring device | |
| CN210011900U (en) | Unmanned aerial vehicle screw pneumatic performance test platform | |
| CN109946037B (en) | Blocking moving device for simulating bracket interference quantity change and application | |
| CN203642952U (en) | Sensor calibration verifying apparatus | |
| CN207408119U (en) | A kind of ion thruster vector adjusting mechanism drives test device | |
| CN202836456U (en) | Axial clearance detection device for motor output shaft | |
| CN109540457B (en) | Pipeline flow field distribution measuring device | |
| CN208013046U (en) | Long span electronic test machine for EMAS cell cube mechanics properties testings | |
| CN202485865U (en) | Synchronization guaranteeing device of paddle grain head automatic tilting device | |
| CN206177603U (en) | Electronic jar performance test system | |
| CN109000841B (en) | General tensile test frock rack of screw |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |