CN107817071A - Propeller planometer - Google Patents
Propeller planometer Download PDFInfo
- Publication number
- CN107817071A CN107817071A CN201711213339.XA CN201711213339A CN107817071A CN 107817071 A CN107817071 A CN 107817071A CN 201711213339 A CN201711213339 A CN 201711213339A CN 107817071 A CN107817071 A CN 107817071A
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- propeller
- planometer
- poles
- support frames
- 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.)
- Pending
Links
- 238000003825 pressing Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000011160 research Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000000725 suspension Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/14—Determining imbalance
- G01M1/16—Determining imbalance by oscillating or rotating the body to be tested
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/02—Details of balancing machines or devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Balance (AREA)
Abstract
The invention discloses a kind of propeller planometer, and it has base, and support frame is erect in the base left and right ends respectively(1), be provided with least one rotating shaft between two support frames(2), go here and there two locating pieces in the rotating shaft(3), two locating pieces can move left and right along the rotating shaft, propeller to be tested is clamped in rotating shaft and can rotated coaxially with rotating shaft;The present invention reduces rotation friction to greatest extent, greatly improves measurement accuracy;Clamping propeller rapid and convenient, reduce the time used in measurement, the conventional survey tool that can be liked as professional research staff and model plane;Have the advantages of structurally simple, economical applicable concurrently simultaneously.
Description
Technical field
The present invention relates to balance test equipment, more particularly to a kind of tester tested propeller balance situation
Device.
Background technology
The existing model aerial vehicle of in the market mostly using propeller come drive flight, propeller have two panels and two panels with
On blade, in the fabrication process because a variety of manufacture reasons, every blade are difficult to striking resemblances are made.Meeting during propeller works
Rotate at a high speed, the small difference of blade can all cause violent vibrations, and then cause Parts, unstable, deviation of flying
Course, the service life for shortening model aerial vehicle.So need the balance to propeller in the model aerial vehicle installation adjustment stage
Detected, unbalanced place is processed, eliminate balance difference.Due to testing at balance and processing propeller
Reason is to intersect to carry out repeatedly, it is therefore desirable to which developing a kind of measurement accuracy height, clamping propeller, quickly and easily propeller survey is flat
Instrument is the technical problem of urgent need to resolve in the industry.
The content of the invention
The present invention is to solve the above mentioned problem of prior art, proposes that a kind of measurement accuracy is high, clamping propeller is quick just
Prompt propeller planometer.
In order to solve the above technical problems, technical scheme proposed by the present invention is a kind of propeller planometer of design, it has
Base, the base left and right ends are erect at least one rotating shaft is provided between support frame, two support frames respectively, in the rotating shaft
Go here and there two locating pieces, two locating pieces can move left and right along the rotating shaft, propeller to be tested is clamped in rotating shaft and can
Rotated coaxially with rotating shaft.
The opposite one end of described two locating pieces is using conical structure, corner rod structure, five corner structures, hexagon prism knot
One kind in structure.
N poles and S poles magnet are installed in the top of described two support frames respectively, and the rotating shaft is using magnetic conductive metal, its both ends
Using conical structure, by magnetic between N poles and S poles magnet, the length of the rotating shaft is slightly less than N poles and S poles magnetic for the rotating shaft
Spacing between iron.
Two bearings of top provided beside of each support frame as described above, two bearings it is cylindrical formed in adjacent position it is recessed
Groove, the groove all have at the top of described two support frames, to another rotating shaft of same support, the length of another rotating shaft
Degree is more than the spacing between two support frame outer walls.
A kind of rotating shaft surface is provided with external screw thread, and the locating piece center is provided with internal thread, and the locating piece is screwed onto described
In rotating shaft.
Another rotating shaft is elongated cylinder, and pressing device is respectively equipped with the outside of described two locating pieces;The pressure
Tight device includes elastic gum sleeve pipe and spring that string is enclosed in rotating shaft, and the elastic gum sleeve pipe can be along rotating shaft under the promotion of outer power
Reciprocate, lock ring rotating shaft under the promotion without external force, the spring is between elastic gum sleeve pipe and locating piece, elastic gum sleeve pipe
One end of bell-mouth structure of air and embedded spring is provided with the position of connecting spring, elastic gum sleeve pipe is connected with spring.
At least one magnet is embedded in a retainer ring in the magnet of the N poles and S poles, and the retainer ring is embedded in one
In individual bearing, the bearing is embedded in the top of support frame as described above.
A kind of base is a flat board, and the middle of the base is horizontally mounted a bubble type level meter.
Another base is two horizontal guides, and the root of described two support frames is all provided with the guiding of adaptation horizontal guide
Hole, be spirally connected in the middle part of described two support frames a screw rod, and the hand of spiral in screw in the middle part of two support frames is on the contrary, rotate
Two support frames can be furthered or pushed away far along the guide rod by the screw rod.
A platform is fixed between two horizontal guides, a bubble type level meter is horizontally mounted on the platform.
The present invention reduces rotation friction to greatest extent, greatly improves measurement accuracy;Clamping propeller is quick just
Victory, reduce the time used in measurement, the conventional survey tool that can be liked as professional research staff and model plane;Have structure concurrently simultaneously
Simply, the advantages of economic and practical;The present apparatus can also detect a kind of rotary body of tire, propeller sub warhead simultaneously.
Brief description of the drawings
Fig. 1 is the three-dimensional view of first embodiment;
Fig. 2 is elastic rubber sleeve pipe and spring connection diagram in Fig. 3 circles;
Fig. 3 be can ride over above bearing group can quick-clamping rotating shaft;
Fig. 4 be can be suspended between two magnetic poles can quick-clamping rotating shaft;
Fig. 5 is the three-dimensional view of second embodiment;
Fig. 6 is the schematic diagram of magnet insertion bearing;
Fig. 7 is the three-dimensional view of 3rd embodiment.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is described in further detail.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, not
For limiting the present invention.
Present invention is disclosed a kind of propeller planometer, and referring to Fig. 1, it has base, the base left and right ends difference
Erect and be provided with least one rotating shaft 2 between 1, two support frame of support frame, go here and there two locating pieces 3 in the rotating shaft, two calmly
Position block can move left and right along the rotating shaft, propeller to be tested is clamped in rotating shaft and can rotated coaxially with rotating shaft.Locating piece
After propeller is clipped in rotating shaft, two blades of propeller are made to be located at the both sides of rotating shaft respectively.If two blades are present
Quality, center of gravity, the deviation on rotary inertia, from the presence of gravity propeller will be rotated around rotating shaft, unbalancedly
Side will be found, and be then processed for unbalanced place, eliminate balance difference.Due to blade balanced differences very
It is small, it requires that the rotary resistance of rotating shaft 2 also will the very small balanced differences that could sensitively measure blade.
It is cylindric through hole that the centre bore of existing model propeller is most of, with the difference of the big ting model of propeller,
The diameter of through hole is also different.The propeller of the various models of adaptation preferably, the opposite one end of described two locating pieces 3 is adopted
Use conical structure(Referring to Fig. 1), because the opposite one end of two locating pieces 3 uses cone, cone adds from the left and right sides
Tight propeller, it is adapted to various models propeller not of uniform size.Separately there are some nonstandard propellers, its centre bore is polygon
Shape endoporus, to adapt to such a propeller, the opposite one end of two locating pieces 3 can be respectively adopted corner rod structure, five corner structures,
Hexagonal rod structure.The propeller of respective aperture is fitted with corresponding polygon pillar.
The important technology of the present invention is characterized in by magnetic levitation technology, and rotating shaft is suspended between two magnetic levels.Ginseng
See the first embodiment shown in Fig. 1.N poles and S poles magnet 11 are installed in the top of described two support frames respectively, and the rotating shaft 2 is adopted
Conical structure is used with magnetic conductive metal, its both ends(Icon 24 is signified), the rotating shaft by magnetic between N poles and S poles magnet, institute
The length for stating rotating shaft is slightly less than spacing between N poles and S poles magnet.Rotating shaft 2 is in the presence of magnetic force, along the main magnetic of N poles and S poles
The line of force horizontally suspends, one head contact magnet(Contact N poles or S poles), its other end vacantly leave gap with another magnet, be in
Existing magnetic suspension state, due to the contact point very little of circular cone tip 24, only end thereof contacts magnet in addition, therefore the rotary resistance of rotating shaft is non-
Often small, thereby structure can greatly improve the precision of measurement balance.
In the assembling and R&D process of model plane, it is sometimes desirable to balance, such as model are measured to heavier object
Automobile tire, model of an airplane gear tyre etc., maglev hanging capacity seem insufficient.Referring to the implementation shown in Fig. 1,5,7
In example, two bearings 22 of top provided beside of each support frame as described above 1, two the cylindrical of bearing 22 are formed in adjacent position
Groove, the groove all have at the top of described two support frames, to another rotating shaft 2 of same support, another rotating shaft
Length be more than spacing between two support frame outer walls.The end of rotating shaft 2 be actually frame in two grooves, weight capacity
Be greatly improved, the rotary resistance of rotating shaft do not increase yet how much.
Referring to the embodiment shown in Fig. 1, the surface of rotating shaft 2 is provided with external screw thread, and the center of locating piece 3 is provided with interior spiral shell
Line, the locating piece are screwed onto in the rotating shaft.Rotating locating blocks, locating piece can move left and right along rotating shaft, utilize screw structural
Coupling mechanism force, locating piece or so rotated coaxially to entering by propeller lock in rotating shaft, and with rotating shaft.
Referring to the embodiment of a rotating shaft shown in Fig. 3, the rotating shaft 2 is elongated cylinder, described two locating pieces 3
Outside be respectively equipped with pressing device;The pressing device includes the elastic gum sleeve pipe 4 and spring 5 that string is enclosed in rotating shaft, described
Elastic gum sleeve pipe can reciprocate under the promotion of outer power along rotating shaft, lock ring rotating shaft under the promotion without external force, and the spring is located at
Between elastic gum sleeve pipe and locating piece.Bell-mouth structure of air and insertion are provided with the position of connecting spring referring to Fig. 3 elastic gums sleeve pipe
One end of spring, elastic gum sleeve pipe is connected with spring, be easy to take.First by two locating pieces 3 and propeller during use
It is placed in the middle part of rotating shaft, then promotes elastic gum sleeve pipe 4 mobile to rotating shaft middle part, is let go when moving on to correct position, elastic gum sleeve pipe 4
Lock ring rotating shaft, and spring can withstand locating piece 3 and propeller, the thrust lasting to propeller, so as to which propeller be fixed
Rotated coaxially in rotating shaft, and with rotating shaft.This structure uses screw-rod structure clamping speed faster than rotating shaft 2.Referring to shown in Fig. 3
Rotating shaft can be ridden over above the bearing group 22, Fig. 4 show be can be suspended between two magnetic poles can quick-clamping turn
Axle, the rotating shaft both ends use conical structure.It is self-evident, surveyed usually to propeller, a rotating shaft can only be used.
Further to reduce the resistance of axis of rotation in magnetic suspension scheme, measurement accuracy is improved, magnet can be mounted to axle
In taking.Referring to the schematic diagram of inlaying shown in Fig. 6, at least one magnet is embedded in one admittedly in the N poles and S poles magnet 11
Determine in ring 20, the retainer ring is embedded in a bearing 21, and the bearing is embedded in the top of support frame as described above.When rotating shaft 2 exists
When magnetic blow out centre rotates, when rotation friction reaches certain threshold value, bearing 21 also can be rotated and then, so as to further reduce
The frictional force that rotating shaft 2 rotates.
Referring to the second embodiment shown in Fig. 1, the base is a flat board 10, and the middle of the base is horizontally mounted a bubble type
Level meter 6.When propeller planometer is horizontal, institute's side result is the most accurate.Referring to bubble type level meter 6, be easy to by
Propeller planometer is placed on horizontal level.
During using magnetic levitaton suspension rotating shaft to measure propeller, if N poles and the position of S poles magnet are excessive, rotating shaft both ends
When can not prop up magnet simultaneously, exist two it is small the defects of, 1 is that the rotating shaft one end for not propping up magnet is fallen down slightly, whole
Rotating shaft is equipped with small drift angle with horizontal position, and this can bring small error to measurement result;2 be with roller end and magnet
The increase of spacing, the weight capacity of magnetic suspension rotating shaft greatly decline.Therefore in the second embodiment shown in Fig. 5, N poles be can adjust
With the spacing of S poles magnet.The base is two horizontal guides 7, and the root of described two support frames is all led provided with adaptation level
The bullport of bar, be spirally connected in the middle part of described two support frames a screw rod 8, the hand of spiral in screw in the middle part of two support frames
On the contrary, two support frames can be furthered or pushed away far along the guide rod by the swing handle 25 rotated in the middle part of the screw rod.When N poles and S poles magnetic
Iron can not only improve above-mentioned two defect, can also reduce the frictional force of rotating shaft and magnet after.Such as rotating shaft one end and N poles
Magnet contact, the rotating shaft other end and S poles magnet spacing from large to small when, in S poles, magnet pulls effect lower rotary shaft and N poles magnetic
From large to small, when the spacing of the rotating shaft other end and S poles magnet is very close, rotating shaft connects the pressure of iron contact point with N poles magnet
The pressure of contact is almost nil so that the rotary resistance of rotating shaft now is almost nil, and the survey of propeller planometer can be greatly improved
Accuracy of measurement.It may be noted that, it is necessary to install propeller to be detected during two support frame spacing of regulation.
In the 3rd embodiment shown in Fig. 7, on the basis of second embodiment, between two horizontal guides 7
A platform 9 is fixed, a bubble type level meter 6 is horizontally mounted on the platform.By observing bubble type level meter 6, can incite somebody to action
Propeller planometer is placed on horizontal level, to improve measurement accuracy.
More than illustrate, be all that propeller is detected, this actual planometer can also be to the tire of model, propeller in front of
Sub warhead(A kind of bolt of fixed propeller, its outer image sub warhead, turned into sub warhead in the industry)Carried out Deng rotary body
Detection.
Above example is by way of example only, non-to provide constraints.It is any without departing from the application spirit and scope, and to it
The equivalent modifications of progress or change, it is intended to be limited solely by among claims hereof scope.
Claims (10)
- A kind of 1. propeller planometer, it is characterised in that:With base, support frame is erect in the base left and right ends respectively(1)、 At least one rotating shaft is provided between two support frames(2), go here and there two locating pieces in the rotating shaft(3), two locating pieces can edge The rotating shaft moves left and right, propeller to be tested is clamped in rotating shaft and can rotated coaxially with rotating shaft.
- 2. propeller planometer as claimed in claim 1, it is characterised in that:Described two locating pieces(3)Adopt opposite one end With one kind in conical structure, corner rod structure, five corner structures, hexagonal rod structure.
- 3. propeller planometer as claimed in claim 2, it is characterised in that:N is installed at the top of described two support frames respectively Pole and S poles magnet(11), the rotating shaft(2)Conical structure is used using magnetic conductive metal, its both ends, the rotating shaft is by magnetic in N Between pole and S poles magnet, the length of the rotating shaft is slightly less than the spacing between N poles and S poles magnet.
- 4. propeller planometer as claimed in claim 3, it is characterised in that:Each support frame as described above(1)Top fill side by side If two bearings(22), two bearings(22)It is cylindrical form groove in adjacent position, the groove is in described two supports The top of frame all has, to another rotating shaft of same support(2), the length of another rotating shaft be more than two support frame outer walls it Between spacing.
- 5. propeller planometer as claimed in claim 4, it is characterised in that:The rotating shaft(2)Surface is provided with external screw thread, described Locating piece(3)Center is provided with internal thread, and the locating piece is screwed onto in the rotating shaft.
- 6. propeller planometer as claimed in claim 4, it is characterised in that:The rotating shaft(2)It is described for elongated cylinder Two locating pieces(3)Outside be respectively equipped with pressing device;The pressing device includes the elastic gum sleeve pipe that string is enclosed in rotating shaft (4)And spring(5), the elastic gum sleeve pipe can reciprocate under the promotion of outer power along rotating shaft, lock ring under the promotion without external force Rotating shaft, for the spring between elastic gum sleeve pipe and locating piece, elastic gum sleeve pipe is provided with horn mouth at the position of connecting spring One end of structure and embedded spring, elastic gum sleeve pipe is set to be connected with spring.
- 7. propeller planometer as claimed in claim 3, it is characterised in that:The N poles and S poles magnet(11)In at least one Individual magnet is embedded in a retainer ring(20)In, the retainer ring is embedded in a bearing(21)In, the bearing is embedded in described The top of support frame.
- 8. propeller planometer as claimed in claim 3, it is characterised in that:The base is a flat board(10), the middle of the base It is horizontally mounted a bubble type level meter(6).
- 9. propeller planometer as claimed in claim 3, it is characterised in that:The base is two horizontal guides(7), it is described The root of two support frames is all provided with the bullport of adaptation horizontal guide, and be spirally connected a screw rod in the middle part of described two support frames (8), the hand of spiral in screw in the middle part of two support frames on the contrary, rotate the screw rod can be by two support frames along the guide rod Further or push away and be remote.
- 10. propeller planometer as claimed in claim 9, it is characterised in that:Two horizontal guides(7)Between fix one Individual platform(9), a bubble type level meter is horizontally mounted on the platform(6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711213339.XA CN107817071A (en) | 2017-11-28 | 2017-11-28 | Propeller planometer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711213339.XA CN107817071A (en) | 2017-11-28 | 2017-11-28 | Propeller planometer |
Publications (1)
Publication Number | Publication Date |
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CN107817071A true CN107817071A (en) | 2018-03-20 |
Family
ID=61610536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711213339.XA Pending CN107817071A (en) | 2017-11-28 | 2017-11-28 | Propeller planometer |
Country Status (1)
Country | Link |
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CN (1) | CN107817071A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104101466A (en) * | 2014-06-13 | 2014-10-15 | 芜湖特源鑫复合材料科技有限公司 | Propeller balance tester |
CN205049291U (en) * | 2015-09-09 | 2016-02-24 | 深圳市有棵树科技股份有限公司 | Propeller balance testing arrangement |
CN106813832A (en) * | 2017-03-06 | 2017-06-09 | 武汉飞流智能技术有限公司 | A kind of unmanned plane propeller balance device for quick testing and method |
-
2017
- 2017-11-28 CN CN201711213339.XA patent/CN107817071A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104101466A (en) * | 2014-06-13 | 2014-10-15 | 芜湖特源鑫复合材料科技有限公司 | Propeller balance tester |
CN205049291U (en) * | 2015-09-09 | 2016-02-24 | 深圳市有棵树科技股份有限公司 | Propeller balance testing arrangement |
CN106813832A (en) * | 2017-03-06 | 2017-06-09 | 武汉飞流智能技术有限公司 | A kind of unmanned plane propeller balance device for quick testing and method |
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Application publication date: 20180320 |
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