CN206208506U - Propeller testboard bay - Google Patents
Propeller testboard bay Download PDFInfo
- Publication number
- CN206208506U CN206208506U CN201621106543.2U CN201621106543U CN206208506U CN 206208506 U CN206208506 U CN 206208506U CN 201621106543 U CN201621106543 U CN 201621106543U CN 206208506 U CN206208506 U CN 206208506U
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- China
- Prior art keywords
- testboard bay
- propeller
- rotor shaft
- motor
- testboard
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- 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.)
- Expired - Fee Related
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- Force Measurement Appropriate To Specific Purposes (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a kind of propeller testboard bay, is related to air propeller technical field of measurement and test, to alleviate existing measuring method in use, it is impossible to accomplish the technical problem for being measured to the multiple power in rotor shaft and torque simultaneously.Propeller testboard bay described in the utility model, including：Testboard bay body, it is arranged on the intrinsic motor of testboard bay, with the rotor shaft of motor connection, with motor connection, the torque sensor for measuring rotor shaft moment of torsion, the deceleration device between motor and rotor shaft is arranged on, testboard bay body lower section and the base being connected by six-dimension force sensor with testboard bay body is arranged on；When using, rotor shaft is stretched out by the top of testboard bay body, and deceleration device coordinates the clutch and brake for realizing rotor shaft with electromagnetic brake.The utility model is mainly used in the test of propeller scale model.
Description
Technical field
The utility model is related to air propeller technical field of measurement and test, in particular to a kind of propeller testboard bay.
Background technology
Propeller is a kind of dress for being rotated in atmosphere by blade and engine rotation power being converted into propulsive force or lift
Put.It is made up of the propeller hub of multiple blades and center, and when propeller rotates, constantly large quantity of air, (or downward) is pushed away blade backward
Go, using air to its reaction force, the power of one forward (or upwards), i.e. propulsive force are produced on blade.Propeller is extensive
It is applied to the piston type and turboprop of subsonic aircraft and the rotor and tail-rotor of helicopter.In order to improve spiral shell
The starting efficiency and folding ability of oar are revolved, and finds new design in practice, generally require the contracting ratio to propeller
Model is tested and studied, it is therefore desirable to propeller is fixed and acquisition parameter.
Existing method of testing is mainly and is fixedly connected the propeller hub of propeller with motor by main shaft, is driven by motor
Propeller rotational, and propeller is rack-mount, sensor is provided with support, in being run to propeller by sensor
The parameters of main shaft are measured.
However, present inventor has found, using existing method of testing, certain single variable can only often be carried out
Measurement is (for example：The lift or propeller of propeller are to moment of torsion of main shaft etc.), it is impossible to accomplish simultaneously to many in rotor shaft
Individual power is measured with torque.
Utility model content
The purpose of this utility model is to provide a kind of propeller testboard bay, is being used with alleviating existing measuring method
During, it is impossible to accomplish the technical problem for being measured to the multiple power in rotor shaft and torque simultaneously.
A kind of propeller testboard bay, including：Testboard bay body, is arranged on the intrinsic motor of the testboard bay,
With the rotor shaft of the motor connection, passed with the motor connection, for measuring the moment of torsion of the rotor shaft moment of torsion
Sensor, is arranged on the testboard bay body lower section and the bottom being connected by six-dimension force sensor with the testboard bay body
Seat；When using, the rotor shaft is stretched out by the top of the testboard bay body.
When actually used, the motor is dual-axle motor, and the dual-axle motor includes the first output end and the second output end,
And first output end is located at the top of the motor, second output end and is located at the bottom of the motor；The spiral
Oar main shaft is arranged in first output end, and the torque sensor is arranged in second output end.
Wherein, the top of the testboard bay body is provided with bearing block, and the rotor shaft is by the bearing block
Stretch out.
Specifically, it is provided with self-aligning ball bearing in the bearing block.
During practical application, the propeller testboard bay that the utility model is provided also includes：Brake apparatus；The brake apparatus
Including：The brake disc being fixedly connected with the rotor shaft, and the electromagnetic system being fixedly connected with the testboard bay body
Dynamic device.
Wherein, the propeller testboard bay that the utility model is provided also includes：Speed measuring device；The speed measuring device includes：
Be arranged on the hole of testing the speed in the brake disc, and matched with the hole of testing the speed set, be fixed on the testboard bay body
On sensor for countering.
During practical application, the propeller testboard bay that the utility model is provided also includes：Deceleration device, the deceleration device
It is arranged between first output end of the motor and the rotor shaft.
Wherein, the deceleration device includes：The gare base being fixedly installed with the testboard bay body, the gear bottom
Chassis outer ring is provided with disk, the external toothing for setting is matched with chassis outer ring inner side, match what is set with the external toothing
Multiple planetary gears, the sun gear for setting, the row being flexibly connected with multiple planet wheel spindle hearts are matched with multiple planetary gears
Carrier；The sun gear is fixedly connected with first output end of the motor, the planet carrier and the rotor shaft
It is fixedly connected.
Specifically, the deceleration device also includes：Fixed mount；The chassis outer ring inner side is corresponding with external toothing outside
Multiple grooves are provided with, the fixed mount bottom is provided with multiple matching grooves and for fixing the external toothing
It is raised.
During practical application, the testboard bay body includes：Top board, base plate, support；The top board is with the base plate
Triangle, and the area of the top board sets less than the base plate, the support is respectively with the three of the top board and the base plate
Individual summit connection；The bearing block is arranged on the top board, and the torque sensor is arranged on the base plate.
Relative to prior art, propeller testboard bay described in the utility model has the advantage that：
In the propeller testboard bay that the utility model is provided, including：Testboard bay body, is arranged on testboard bay body
Interior motor, the rotor shaft with motor connection, with motor connection, the torque sensing for measuring rotor shaft moment of torsion
Device, is arranged on testboard bay body lower section and the base being connected by six-dimension force sensor with testboard bay body；When using,
Rotor shaft is stretched out by the top of testboard bay body.Thus analysis understands that the propeller provided using the utility model is surveyed
Test stand frame, rotor shaft is stretched out by the top of testboard bay body, propeller and rotor shaft extension to be tested
Connection, when motor drive rotor shaft rotate when, propeller to be tested act on it is in rotor shaft, parallel to spiral
The moment of torsion (i.e. the exterior normal of moment of torsion overlaps with rotor shaft center line) of oar main shaft can be delivered to torsion by rotor shaft
The power and three torques of axle of three axles that propeller on square sensor and to be tested is produced can be by testboard bays
Body is delivered on six-dimension force sensor, and six-dimension force sensor is connected with base, ensure that the mistake in propeller rotation
Six-dimension force sensor position is fixed all the time in journey, so that it is guaranteed that tests is smoothed out, therefore provided using the utility model
Propeller testboard bay, can alleviate existing measuring method in use, it is impossible to accomplish simultaneously in rotor shaft
The technical problem that measures of multiple power and torque.
Brief description of the drawings
In order to illustrate more clearly of the utility model specific embodiment or technical scheme of the prior art, below will be right
The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some implementation methods of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
The axis side view of the propeller testboard bay that Fig. 1 is provided for the utility model embodiment；
The schematic front view of the propeller testboard bay that Fig. 2 is provided for the utility model embodiment；
Fig. 3 is part A partial enlarged drawing in Fig. 1；
The exploded perspective view of deceleration device in the propeller testboard bay that Fig. 4 is provided for the utility model embodiment.
Reference：
10- testboard bay bodies, 11- bearing blocks, 12- electromagnetic brakes, 13- sensor for countering, 101- top boards,
102- base plates, 103- supports；
20- motors, the output ends of 21- first；
30- rotor shafts, 31- brake discs, 311- tests the speed hole；
40- torque sensors, 41- six-dimension force sensors；
50- deceleration devices, 51- gare bases, 511- chassis outer ring, 52- external toothings, 53- planetary gears, 54- is too
Sun wheel, 55- planet carriers, 56- fixed mounts, 561- is raised, 57- grooves；
60- bases.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, this
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
It is term " " center ", " on ", D score, "left", "right", " perpendicular, it is necessary to explanation in description of the present utility model
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward " are, based on orientation shown in the drawings or position relationship, to be only
Described with simplified for the ease of description the utility model, must had rather than the device or element for indicating or implying meaning specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Can be two connections of element internal.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The axis side view of the propeller testboard bay that Fig. 1 is provided for the utility model embodiment；Fig. 2 is the utility model reality
The schematic front view of the propeller testboard bay of example offer is provided；Fig. 3 is part A partial enlarged drawing in Fig. 1；Fig. 4 is new this practicality
The exploded perspective view of deceleration device in the propeller testboard bay that type embodiment is provided.
As Figure 1-Figure 2, the utility model embodiment provides a kind of propeller testboard bay, including：Testboard bay sheet
Body 10, is arranged on the motor 20 in testboard bay body 10, the rotor shaft 30 being connected with motor 20, be connected with motor 20,
Torque sensor 40 for measuring the moment of torsion of rotor shaft 30, is arranged on the lower section of testboard bay body 10 and and testboard bay
The base 60 that body 10 is connected by six-dimension force sensor 41；When using, rotor shaft 30 by testboard bay body 10 top
End is stretched out.
Relative to prior art, the propeller testboard bay that the utility model embodiment is provided has the advantage that：
In the propeller testboard bay that the utility model embodiment is provided, as Figure 1-Figure 2, including：Testboard bay sheet
Body 10, is arranged on the motor 20 in testboard bay body 10, the rotor shaft 30 being connected with motor 20, be connected with motor 20,
Torque sensor 40 for measuring the moment of torsion of rotor shaft 30, is arranged on the lower section of testboard bay body 10 and and testboard bay
The base 60 that body 10 is connected by six-dimension force sensor 41；When using, rotor shaft 30 by testboard bay body 10 top
End is stretched out.Thus knowable to analysis, the propeller testboard bay provided using the utility model embodiment, rotor shaft 30 is by surveying
The top of test stand frame body 10 is stretched out, and propeller to be tested is connected with the extension of rotor shaft 30, when motor 20 drives
When rotor shaft 30 is rotated, propeller to be tested acts in rotor shaft 30, parallel to rotor shaft 30
Moment of torsion (i.e. the exterior normal of moment of torsion overlaps with the center line of rotor shaft 30) can be delivered to moment of torsion and pass by rotor shaft 30
The power and three torques of axle of three axles that propeller on sensor 40 and to be tested is produced can be by testboard bay sheets
Body 10 is delivered on six-dimension force sensor 41, and six-dimension force sensor 41 is connected with base 60, be ensure that in propeller rotation
The position of six-dimension force sensor 41 is fixed all the time during turning, so that it is guaranteed that tests is smoothed out, therefore it is new using this practicality
The propeller testboard bay that type embodiment is provided, can alleviate existing measuring method in use, it is impossible to accomplish simultaneously
The technical problem measured to the multiple power in rotor shaft 30 and torque.
Herein it should be added that, using torque sensor 40 and six-dimension force sensor 41 simultaneously to rotor shaft
30 are monitored, and can effectively realize the measurement to the direction force of rotor shaft 30 3 and three direction moments of torsion, can reduce each logical
Road measurement interference.
When actually used, in order that the measurement result of torque sensor is more accurate, as Figure 1-Figure 2, motor 20 is double
Spindle motor, dual-axle motor includes the first output end 21 and the second output end, and the first output end 21 is located at the top of motor 20, the
Two output ends are located at the bottom of motor 20；Rotor shaft 30 is arranged in the first output end 21, and torque sensor 40 is arranged on
In second output end, using this kind of setting, torque sensor 40 is more stable, during motor 20 is operated, torque sensor
40 are not easy to rock, thus reduce because torque sensor 40 motor 20 operate during rock and interference measurement results it is several
Rate.
Wherein, in order that rotor shaft 30 operate it is more smooth, as shown in Figure 1-Figure 3, the top of testboard bay body 10
Be provided with bearing block 11, rotor shaft 30 by being stretched out in bearing block 11, in the operation process of rotor shaft 30, bearing block 11
Can support helix oar main shaft 30, and the frictional force between rotor shaft 30 and testboard bay body 10 can be reduced, make
Rotor shaft 30 operates more smooth.
Specifically, in order to bear axial force and radial load of the rotor shaft 30 to bearing block 11, in bearing block 11
It is provided with self-aligning ball bearing, the spherical shape in self-aligning ball bearing outer ring raceway cross section, with automatic aligning.
During practical application, in order to realize the braking to rotor shaft 30, as shown in Figure 1-Figure 3, the utility model is implemented
The propeller testboard bay that example is provided also includes：Brake apparatus；Brake apparatus includes：The system being fixedly connected with rotor shaft 30
Moving plate 31, and the electromagnetic brake 12 being fixedly connected with testboard bay body 10, be provided with electromagnetic brake 12 fixture and
Electromagnet, after electromagnetic brake 12 is powered, fixture is opened in the presence of electromagnet, and brake disc 31 is with 30 turns of rotor shaft
It is dynamic；After electromagnetic brake 12 is powered off, electromagnet loses magnetism, fixture closure, clamps brake disc 31, and brake disc 31 is in frictional force
In the presence of stop operating, and then drive rotor shaft 30 stop operating.
Wherein, for the rotating speed of real-time monitoring rotor shaft 30, as shown in Fig. 2-Fig. 3, the utility model embodiment is carried
The propeller testboard bay of confession also includes：Speed measuring device；Speed measuring device includes：The hole 311 of testing the speed in brake disc 31 is arranged on, with
And sensor for countering 13 setting, being fixed on testboard bay body 10 is matched with hole 311 of testing the speed, sensor for countering 13 includes
RF transmitter and infrared receiver, and RF transmitter and infrared receiver are separately positioned on 31 liang of brake disc
Side, and ensure that infrared ray can be through testing the speed hole 311, when brake disc 31 is rotated, brake disc 31 stops infrared ray, make infrared ray without
Method is received by infrared receiver, when hole 311 of testing the speed is gone between RF transmitter and infrared receiver, infrared ray
Hole 311 and received by infrared receiver through testing the speed, infrared receiver is counted once after receiving infrared signal, according to
Interval time between counting twice, the time needed for hole 311 of testing the speed rotates one week can be calculated, and then draw rotor shaft
30 rotating speed such that it is able to observe each variable (i.e. the component of moment of torsion and power on the direction of three, space) with rotation speed change
Situation of change.
During practical application, in order to reduce the rotating speed of rotor shaft 30, increase the output torque of motor 20, such as Fig. 1-Fig. 2 institutes
Show, the propeller testboard bay that the utility model embodiment is provided also includes：Deceleration device 50, deceleration device 50 is arranged on motor
Between 20 the first output end 21 and rotor shaft 30.
Wherein, for the ease of the gearratio of regulation deceleration device 50, as shown in figure 4, deceleration device 50 includes：With testboard
The gare base 51 that frame body 10 is fixedly installed, is provided with chassis outer ring 511 on gare base 51, with the inner side of chassis outer ring 511
The external toothing 52 for setting is matched, the multiple planetary gears 53 for setting are matched with external toothing 52, match what is set with multiple planetary gears 53
Sun gear 54, the planet carrier 55 being flexibly connected with the axle center of multiple planetary gears 53；First output end 21 of sun gear 54 and motor 20
It is fixedly connected, planet carrier 55 is fixedly connected with rotor shaft 30, when actually used, external toothing 52 is relative with chassis outer ring 511
Fixed, sun gear 54 is power input portion, and planet carrier 55 is power delivery section, and speed reducing ratio is：The external toothing number of teeth/sun gear
The number of teeth+1 is (for example：The external toothing number of teeth is 144, and the sun gear number of teeth is 18, then speed reducing ratio is for 9), therefore by adjusting external toothing tooth
Number and the sun gear number of teeth, can as required select suitable speed reducing ratio.
Additionally, the propeller testboard bay that the utility model embodiment is provided, device is small and simple, and deceleration device 50 is certainly
It is main design without use finished product decelerator, reduce redundant component, compact conformation, can under the limited test environment in space work
Make.
Specifically, in order to reduce the probability that deceleration device 50 and motor 20 are damaged in braking procedure, as shown in figure 4, subtracting
Speed variator 50 also includes：Fixed mount 56；The inner side of chassis outer ring 511 is correspondingly arranged on multiple grooves 57 with the outside of external toothing 52, Gu
Determine the bottom of frame 56 and be provided with the projection 561 matched with multiple grooves 57 and for fixing external toothing 52, in test process, will
During on fixed mount 56 raised 561 insert groove 57, make being relatively fixed for external toothing 52 and chassis outer ring 511, so as to realize electricity
Machine 20 drives deceleration device 50 to operate, and when braking is needed, first should dial up fixed mount 56, makes raised 561 from groove
Deviate from 57, and then external toothing 52 is moved with respect to chassis outer ring 511, reuse electromagnetic brake 12 and brake, so as to keep away
Exempt from, because directly being braked using electromagnetic brake 12, to cause the flank of tooth to overload, and then damage deceleration device 50 and motor.
During practical application, in order to further reduce the volume of testboard bay body 10, as shown in Figure 1-Figure 3, testboard bay
Body 10 includes：Top board 101, base plate 102, support 103；Top board 101 and base plate 102 are triangle, and top board 101 area
Set less than base plate 102, three summits of the support 103 respectively with top board 101 and base plate 102 are connected；Bearing block 11 is arranged on top
On plate 101, torque sensor 40 is arranged on base plate 102, using this kind of setting, by the rational deployment to each part, and can
The volume of the propeller testboard bay that the utility model embodiment is provided effectively is reduced, and user can intuitively observe respectively
The operating condition of part, the problem to finding is processed in time.
Finally it should be noted that：Various embodiments above is only used to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of propeller testboard bay, it is characterised in that including：Testboard bay body, is arranged on the testboard bay body
Interior motor, the rotor shaft with the motor connection, with the motor connection, for measuring the rotor shaft moment of torsion
Torque sensor, be arranged on testboard bay body lower section and pass through six-dimension force sensor with the testboard bay body
The base of connection；
When using, the rotor shaft is stretched out by the top of the testboard bay body.
2. propeller testboard bay according to claim 1, it is characterised in that the motor is dual-axle motor, it is described double
Spindle motor includes the first output end and the second output end, and first output end is located at top, described second of the motor
Output end is located at the bottom of the motor；
The rotor shaft is arranged in first output end, and the torque sensor is arranged on second output end
On.
3. propeller testboard bay according to claim 2, it is characterised in that the top of the testboard bay body is set
There is bearing block, the rotor shaft in the bearing block by stretching out.
4. propeller testboard bay according to claim 3, it is characterised in that spherical ball axle is provided with the bearing block
Hold.
5. propeller testboard bay according to claim 1, it is characterised in that also include：Brake apparatus；
The brake apparatus includes：The brake disc being fixedly connected with the rotor shaft, and with the testboard bay body
The electromagnetic brake being fixedly connected.
6. propeller testboard bay according to claim 5, it is characterised in that also include：Speed measuring device；
The speed measuring device includes：The hole of testing the speed in the brake disc is arranged on, and is matched with the hole of testing the speed setting, solid
It is scheduled on the sensor for countering on the testboard bay body.
7. propeller testboard bay according to claim 3, it is characterised in that also include：Deceleration device, the deceleration dress
Put and be arranged between first output end of the motor and the rotor shaft.
8. propeller testboard bay according to claim 7, it is characterised in that the deceleration device includes：With the survey
The gare base that test stand frame body is fixedly installed, is provided with chassis outer ring on the gare base, with chassis outer ring inner side
The external toothing for setting is matched, the multiple planetary gears for setting are matched with the external toothing, match what is set with multiple planetary gears
Sun gear, the planet carrier being flexibly connected with multiple planet wheel spindle hearts；
The sun gear is fixedly connected with first output end of the motor, and the planet carrier is solid with the rotor shaft
Fixed connection.
9. propeller testboard bay according to claim 8, it is characterised in that the deceleration device also includes：Fixed mount；
Chassis outer ring inner side and external toothing outside are correspondingly arranged on multiple grooves, the fixed mount bottom be provided with
Multiple matching grooves and the projection for fixing the external toothing.
10. the propeller testboard bay according to any one of claim 3,4,7,8,9, it is characterised in that the testboard
Frame body includes：Top board, base plate, support；
The top board is triangle with the base plate, and the area of the top board is set less than the base plate, the support point
Three summits not with the top board and the base plate are connected；
The bearing block is arranged on the top board, and the torque sensor is arranged on the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621106543.2U CN206208506U (en) | 2016-10-09 | 2016-10-09 | Propeller testboard bay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621106543.2U CN206208506U (en) | 2016-10-09 | 2016-10-09 | Propeller testboard bay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206208506U true CN206208506U (en) | 2017-05-31 |
Family
ID=58761365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621106543.2U Expired - Fee Related CN206208506U (en) | 2016-10-09 | 2016-10-09 | Propeller testboard bay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206208506U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108181034A (en) * | 2018-02-01 | 2018-06-19 | 顺丰科技有限公司 | A kind of dynamic test integrated system and test method |
| CN108639378A (en) * | 2018-06-29 | 2018-10-12 | 长沙市云智航科技有限公司 | A kind of clamping device for aircraft lift test |
| CN109000841A (en) * | 2018-08-24 | 2018-12-14 | 中国兵器工业计算机应用技术研究所 | A kind of general tensile test tooling rack of propeller |
| CN110031212A (en) * | 2019-03-26 | 2019-07-19 | 河海大学常州校区 | A kind of torque being not only capable of measuring rotation but also the experimental rig for being capable of measuring horizontal thrust |
| CN110901951A (en) * | 2019-11-15 | 2020-03-24 | 哈尔滨飞机工业集团有限责任公司 | Multifunctional tail rotor test system |
| CN108181034B (en) * | 2018-02-01 | 2024-06-28 | 丰翼科技(深圳)有限公司 | Comprehensive power test system and test method |
-
2016
- 2016-10-09 CN CN201621106543.2U patent/CN206208506U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108181034A (en) * | 2018-02-01 | 2018-06-19 | 顺丰科技有限公司 | A kind of dynamic test integrated system and test method |
| CN108181034B (en) * | 2018-02-01 | 2024-06-28 | 丰翼科技(深圳)有限公司 | Comprehensive power test system and test method |
| CN108639378A (en) * | 2018-06-29 | 2018-10-12 | 长沙市云智航科技有限公司 | A kind of clamping device for aircraft lift test |
| CN108639378B (en) * | 2018-06-29 | 2024-06-04 | 长沙市云智航科技有限公司 | Clamping device for lift force test of aircraft |
| CN109000841A (en) * | 2018-08-24 | 2018-12-14 | 中国兵器工业计算机应用技术研究所 | A kind of general tensile test tooling rack of propeller |
| CN109000841B (en) * | 2018-08-24 | 2020-08-04 | 中国兵器工业计算机应用技术研究所 | General tensile test frock rack of screw |
| CN110031212A (en) * | 2019-03-26 | 2019-07-19 | 河海大学常州校区 | A kind of torque being not only capable of measuring rotation but also the experimental rig for being capable of measuring horizontal thrust |
| CN110901951A (en) * | 2019-11-15 | 2020-03-24 | 哈尔滨飞机工业集团有限责任公司 | Multifunctional tail rotor test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20171009 |