CN209605744U - A kind of blade measuring device - Google Patents
A kind of blade measuring device Download PDFInfo
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- CN209605744U CN209605744U CN201920426461.3U CN201920426461U CN209605744U CN 209605744 U CN209605744 U CN 209605744U CN 201920426461 U CN201920426461 U CN 201920426461U CN 209605744 U CN209605744 U CN 209605744U
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- blade
- protractor
- supporting table
- measuring device
- measured
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Abstract
The utility model discloses a kind of blade measuring devices, comprising: supporting table, measurement bracket, blade support, protractor, rotary indicator and positioning mechanism；Supporting table is equipped with scale, the parallel scale of measurement bracket is slidably arranged in supporting table, blade support vertical scale is slidably arranged on measurement bracket, protractor vertical scale is set to one end of supporting table, rotary indicator is rotatably arranged on protractor, positioning mechanism is slided along rotary indicator to be arranged, and positioning mechanism keeps rotary indicator parallel with the section of blade to be measured by clamping blade to be measured to measure section angle.The application can pass through sliding measurement bracket and reading scale, quickly determine the sectional position of blade to be measured, then at the sectional position, pass through sliding blade support and positioning mechanism, go to rotary indicator parallel with section to be measured, it is easy to use and operate quick to easily read the angle-data in the section from protractor, it realizes to the angle measurement at each section of blade.
Description
Technical field
The utility model relates to blade technical field, in particular to a kind of blade measuring device.
Background technique
Propeller is a kind of dress for rotating in air by blade and converting engine rotation power to propulsive force or lift
It sets, there is very big purposes in terms of aviation, can apply on the aircraft such as gyroplane, dirigible, especially on gyroplane, spiral
Paddle is a basic building block for generating lift.
Important precision component of the propeller as flight, itself will not only guarantee that weight is symmetrical, will also guarantee geometry pair
Claim；The horn balance of propeller generates considerable restraint to the tolerance of blade, and this requires accurate blades to manufacture.No matter
It is wooden blade or composite material blade, can all occurs certain error in the fabrication process, so that finished size deviation is set
Evaluation.Such as the blade of composite material, it needs that stress can be generated in demoulding by forming after molding through high-temperature pressurizing, it can not
The torsion angle for making blade avoided changes；In addition, the mold of production blade deforms in use for some time, also can
The established angle of blade is caused to change.Therefore, in order to which the setting angle for guaranteeing the key Design section of blade is accurate, to blade key
The inspection of design section is just particularly important.
Utility model content
It is high in view of the angle required precision of prior art blade section, the accurate inspection blade key Design section of needs to ask
Topic, proposes a kind of blade measuring device of the utility model, to solve the above problems.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of blade measuring device, the blade measuring device include: supporting table, measurement bracket, blade support, protractor,
Rotary indicator and positioning mechanism；
Supporting table is provided with scale, and the parallel scale of measurement bracket is slidably arranged in supporting table, blade support vertical scale
It is slidably arranged on measurement bracket, protractor vertical scale is set to one end of supporting table, and rotary indicator is rotatably arranged on angulation
On device, positioning mechanism is slided along rotary indicator to be arranged, and positioning mechanism makes rotary indicator and blade to be measured by clamping blade to be measured
Section in parallel to measure section angle.
Optionally, positioning mechanism is provided with leading edge Ka Jiao and rear Ka Jiao, the line and rotation of leading edge Ka Jiao and rear Ka Jiao
Turn that pointer is parallel, when the leading edge and rear in the section of leading edge Ka Jiao and rear Ka Jiao difference clamping blade to be measured, rotary indicator
It is parallel with the section of blade to be measured.
Optionally, positioning mechanism includes: the elastic element of two buckles of two buckles being oppositely arranged and connection, leading edge
Ka Jiao and rear Ka Jiao is separately positioned on two buckles.
Optionally, supporting table includes vertically disposed two pieces of support plates, and the boundary line that scale is parallel to two pieces of support plates is set
It sets；Measuring bracket is the right angle frame being arranged between two pieces of support plates, and two sides of right angle frame are respectively arranged with a vertical scale
Sliding rail, blade support can be respectively charged into sliding in two sliding rails of right angle frame.
Optionally, it is slidably matched at the intersection of two pieces of support plates and the right angle corner of right angle frame by sliding rail.
Optionally, supporting table includes one piece of support plate, the right angle fan that protractor is 0-90 ° of measurement range, right angle fan
One end of support plate can be assembled into respectively in a manner of a wherein right-angle side parallel support plate.
Optionally, supporting table includes one piece of support plate, the semicircular sector that protractor is 0-180 ° of measurement range, blade support
It is able to drive the center of circle two sides that blade to be measured slides to protractor respectively.
Optionally, it is provided with limiting slot on blade support, it is to be measured with fixation that dismountable limited post is provided in limiting slot
Blade.
Optionally, the section of blade support is round, on the center position of blade support and a plurality of radial direction
Equipped with limiting slot and limited post.
Optionally, protractor is provided with arc-shaped slide rail, and one end of rotary indicator and the center of circle of protractor are connected to support
One end of platform, arcuately sliding rail slides the other end of rotary indicator.
In conclusion the beneficial effects of the utility model are:
The parallel scale setting of bracket will be measured, by sliding measurement bracket and scale can be read, quickly determine blade to be measured
Sectional position, then at the sectional position, by sliding blade support and positioning mechanism, make rotary indicator go to
It is parallel to survey section, so that the angle-data in the section is easily read from protractor, it is easy to use and operate quick, it can be achieved that right
Angle measurement at each section of blade.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram for blade measuring device that an embodiment of the present disclosure provides；
Fig. 2 is the configuration schematic diagram of embodiment illustrated in fig. 1 blade measuring device；
Fig. 3 is the structural schematic diagram that embodiment illustrated in fig. 1 blade measuring device measures anti-paddle；
Fig. 4 is a kind of overall structure diagram for blade measuring device that another embodiment of the disclosure provides；
Fig. 5 is a kind of overall structure diagram for blade measuring device that another embodiment of the disclosure provides；
In figure: 10, supporting table；11, scale；12, sliding rail；20, bracket is measured；21, sliding rail；30, protractor；31, arc
Sliding rail；40, rotary indicator；41, sliding rail；50, positioning mechanism；51, it buckles；52, spring；60, blade support；61, limiting slot；
62, limited post；70, blade.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describe the application and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in application.
The technical concept of the utility model is: will measure the parallel scale setting of bracket, can pass through sliding measurement bracket and reading
Scale is taken, quickly determines the sectional position of blade to be measured, then at the sectional position, passes through sliding blade support and positioning
Mechanism goes to rotary indicator parallel with section to be measured, to easily read the angle-data in the section from protractor, makes
With easy to operate, it can be achieved that the angle measurement at each section of blade.
Fig. 1 shows a kind of blade measuring device of an embodiment of the present disclosure, as shown in Figure 1, the blade measuring device
It include: supporting table 10, measurement bracket 20, blade support 60, protractor 30, rotary indicator 40 and positioning mechanism 50.Blade 70 is logical
It crosses blade support 60 and is fixed in supporting table 10 and measure.
Supporting table 10 is provided with scale 11, and blade 70 is parallel with scale 11 fixed when measurement.Bracket 20 is measured to be parallel to
The direction of scale 11 is slidably arranged in supporting table 10, and blade support 60 is slidably arranged in survey with the direction perpendicular to scale 11
It measures on bracket 20,30 vertical scale 11 of protractor is set to one end of supporting table 10, and rotary indicator 40 is rotatably arranged on protractor
On 30, to indicate the angle registration of protractor 30.Positioning mechanism 50 is slided along rotary indicator 40 to be arranged, and positioning mechanism 50 passes through folder
Tight blade 70 to be measured keeps rotary indicator 40 parallel with the section of blade 70 to be measured to measure section angle.
When measurement, blade 70 is placed on blade support 60 and is fixed, keeps blade 70 parallel with scale 11.Then along scale
11 directions sliding measurement bracket 20, by read scale 11, can easily determine section to be measured position (scale 11 design when
Protractor 30, rotary indicator 40 and measurement 20 equidimension of bracket are taken into account, so that the quarter that measurement bracket 20 is aligned when measurement
Degree reading is the accurate location in section to be measured).When sliding measures bracket 20, blade 70 is located in rotary indicator 40, passes through
Adjust the position of positioning mechanism 50 on the position and rotary indicator 40 of blade support 60 simultaneously so that positioning mechanism 50 clamp to
The section of blade is surveyed, so that position rotating pointer 40 is parallel with section to be measured, at this point, by reading rotary indicator 40 in protractor
Reading on 30 is obtained with the setting angle in section to be measured.
In the present embodiment, the measurement parallel scale 11 of bracket 20 is arranged, can be carved by sliding measurement bracket 20 and reading
Degree 11, quickly determines the sectional position of blade to be measured, then at the sectional position, passes through sliding blade support 60 and positioning
Mechanism 50 goes to rotary indicator 40 parallel with section to be measured, to easily read the angle in the section from protractor 30
Data, it is easy to use and operate quick, can the key Design section angle to blade carry out focus measurement, can also be each to blade
Section angle at a position is measured comprehensively.
Fig. 2 shows the configuration schematic diagrams of the blade measuring device of embodiment illustrated in fig. 1.As Figure 1-Figure 2, In
In the present embodiment, positioning mechanism 50 is provided with leading edge Ka Jiao and rear Ka Jiao, the line and rotation of leading edge Ka Jiao and rear Ka Jiao
Pointer 40 is parallel, thus, when the leading edge and rear in the section of leading edge Ka Jiao and rear Ka Jiao difference clamping blade to be measured, rotation
Pointer 40 is parallel with the section of blade to be measured, and the registration that rotary indicator 40 indicates is the angle in section to be measured.Pass through localization machine
Structure 50 blocks the front and rear edge in blade section to be measured, and the accuracy of measurement can be improved.
In the present embodiment, positioning mechanism 50 includes: two buckles 51 of two buckles being oppositely arranged 51 and connection
Elastic element (i.e. spring 52), leading edge Ka Jiao and rear Ka Jiao are separately positioned on two buckles 51.The inside of rotary indicator 40
Equipped with sliding rail 41, two buckles 51 slide in sliding rail 41.
In the present embodiment, as shown in Figure 1 to Figure 3, supporting table 10 includes vertically disposed two pieces of support plates, and scale 11 is flat
Row is in the boundary line setting of two pieces of support plates；Measurement bracket 20 is the right angle frame being arranged between two pieces of support plates, the two of right angle frame
Side is respectively arranged with a sliding rail 21 perpendicular to scale 11, and blade support 60 can be respectively charged into two sliding rails of right angle frame
Sliding in 21, to measure the section angle of positive paddle and anti-paddle respectively.Fig. 1 and Fig. 3 is respectively illustrated to be surveyed using the present embodiment blade
Amount device measures the schematic diagram of the section angle of positive paddle and anti-paddle, and when needing to do the transformation of positive and negative paddle, supporting table 10 is overturn 90 °,
And skid off blade support 60 from the opening outer end of current sliding rail 21, it is put into use in another sliding rail 21.
In the present embodiment, protractor 30 is assemblied in support by three screws using 0-90 ° of measurement range of right angle fan
10 one end of platform, wherein the two of two sides screw screws in two pieces of support plates respectively, so that protractor 30 is in addition to providing reading using outer ring
Number effect is outer, also has the function of firm two pieces of support plates, guarantees measurement plane always perpendicular to the scale of supporting table 11.
In the present embodiment, as shown in Fig. 2, supporting table 10 and measurement bracket 20 are cooperated using sliding rail 12, sliding rail 12 is arranged
Between the intersection of two pieces of support plates and the right angle corner of right angle frame.To guarantee that measurement bracket 20 slides not with respect to supporting table 10
Deflection is not shaken, and sliding rail 12 between the two uses rectangle enclosed sliding rail.
Fig. 4 shows another embodiment of disclosure blade measuring device, as shown in figure 4, supporting table 10 includes one piece
Support plate, the right angle fan that protractor 30 is 0-90 ° of measurement range, the protractor 30 of right angle fan can be respectively with wherein one
The mode of right-angle side parallel support plate, is assembled into one end of support plate.So that protractor 30 is dismounted by 90 ° of rotations, in Fig. 4
In the case where measuring bracket 20 using linear, the section angle measurement of positive paddle and anti-paddle can also be realized respectively, reduced blade and surveyed
Measure the cost of device.
Fig. 5 shows another embodiment of disclosure blade measuring device, as shown in figure 5, supporting table 10 includes one piece
Support plate, the semicircular sector that protractor 30 is 0-180 ° of measurement range, blade support 60 are able to drive blade to be measured and slide to respectively
The center of circle two sides of protractor 30, to realize the section angle measurement of positive paddle and anti-paddle respectively in the center of circle two sides of protractor 30.
In the above embodiments, with reference to shown in Fig. 2 explosive view, limiting slot 61, limiting slot are provided on blade support 60
It is provided with dismountable limited post 62 in 61 with fixation blade to be measured, so that blade fixation is not rotated, is parallel to always
Scale 11.
In some embodiments of the present application, the section of blade support 60 is circle, the center position of blade support 60
And limiting slot 61 and limited post 62 are equipped on a plurality of radial direction.As shown in Fig. 2, with the center of circle and measurement direction for 0 °, point
0 °, the 60 ° and 105 ° radial direction not at 60 top of blade support opens up limiting slot 61, to place limited post 62, thus with
62 collective effect of limited post of center position is limited the angle that blade is placed, is made with the blade of different model of arranging in pairs or groups, aperture
With.
In the various embodiments described above of the application, protractor 30 is provided with arc-shaped slide rail 31 (see shown in Fig. 2 explosive view), rotation
The center of circle of one end and protractor 30 for turning pointer 40 is connected to one end of supporting table 10, and the other end of rotary indicator 40 is arcuately
Sliding rail 31 slides.
Above description is only a specific implementation of the present invention, under the above-mentioned introduction of the utility model, this field
Technical staff can carry out other improvement or deformation on the basis of the above embodiments.It will be understood by those skilled in the art that
Above-mentioned specific descriptions only preferably explain the purpose of this utility model, and the protection scope of the utility model should be with claim
Protection scope subject to.
Claims (10)
1. a kind of blade measuring device, which is characterized in that the blade measuring device includes: supporting table, measurement bracket, blade branch
Seat, protractor, rotary indicator and positioning mechanism；
The supporting table is provided with scale, and the scale is slidably arranged in the supporting table measurement bracket in parallel, described
Vertically the scale is slidably arranged on the measurement bracket blade support, the protractor vertically the scale be set to it is described
One end of supporting table, the rotary indicator are rotatably arranged on the protractor, and the positioning mechanism is sliding along the rotary indicator
Dynamic setting, the positioning mechanism keep the rotary indicator parallel with the section of blade to be measured by clamping blade to be measured to measure and cut
Face angle degree.
2. blade measuring device according to claim 1, which is characterized in that the positioning mechanism be provided with leading edge Ka Jiao and
The line of rear Ka Jiao, the leading edge Ka Jiao and rear Ka Jiao are parallel with the rotary indicator, when the leading edge Ka Jiao and rear
When Ka Jiao distinguishes the leading edge and rear in the section of clamping blade to be measured, the rotary indicator is parallel with the section of blade to be measured.
3. blade measuring device according to claim 2, which is characterized in that the positioning mechanism includes: two and sets relatively
The elastic element for two buckles of buckle and connection set, the leading edge Ka Jiao and rear Ka Jiao are separately positioned on two institutes
It states on buckle.
4. blade measuring device according to claim 1, which is characterized in that the supporting table includes vertically disposed two pieces
Support plate, the scale are parallel to the boundary line setting of two pieces of support plates；The measurement bracket is setting described in two pieces
Right angle frame between support plate, two sides of the right angle frame are respectively arranged with the sliding rail of a vertical scale, the blade
Support can be respectively charged into sliding in two sliding rails of the right angle frame.
5. blade measuring device according to claim 4, which is characterized in that the intersection of two pieces of support plates with it is described
It is slidably matched at the right angle corner of right angle frame by sliding rail.
6. blade measuring device according to claim 1, which is characterized in that the supporting table includes one piece of support plate, institute
The right angle fan that protractor is 0-90 ° of measurement range is stated, the right angle fan can be parallel to respectively with a wherein right-angle side
The mode of the support plate is assembled into one end of the support plate.
7. blade measuring device according to claim 1, which is characterized in that the supporting table includes one piece of support plate, institute
The semicircular sector that protractor is 0-180 ° of measurement range is stated, the blade support is able to drive blade to be measured and slides to the amount respectively
The center of circle two sides of angle device.
8. blade measuring device according to claim 1, which is characterized in that it is provided with limiting slot on the blade support,
Dismountable limited post is provided in the limiting slot with fixation blade to be measured.
9. blade measuring device according to claim 8, which is characterized in that the section of the blade support is circle, institute
It states and is equipped with the limiting slot and limited post on the center position and a plurality of radial direction of blade support.
10. -9 described in any item blade measuring devices according to claim 1, which is characterized in that the protractor is provided with arc
The center of circle of shape sliding rail, one end of the rotary indicator and the protractor is connected to one end of the supporting table, the rotation
The other end of pointer is slided along the arc-shaped slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920426461.3U CN209605744U (en) | 2019-03-29 | 2019-03-29 | A kind of blade measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920426461.3U CN209605744U (en) | 2019-03-29 | 2019-03-29 | A kind of blade measuring device |
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| Publication Number | Publication Date |
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| CN209605744U true CN209605744U (en) | 2019-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920426461.3U Active CN209605744U (en) | 2019-03-29 | 2019-03-29 | A kind of blade measuring device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823503A (en) * | 2019-12-02 | 2020-02-21 | 中国空气动力研究与发展中心 | Propeller blade angle protractor |
| CN110966911A (en) * | 2019-12-19 | 2020-04-07 | 中国电子科技集团公司第三十八研究所 | Device and method for measuring blade angle of aviation propeller |
| CN111780648A (en) * | 2020-07-14 | 2020-10-16 | 中国船舶科学研究中心 | Semi-submerged propeller propulsion unit angle measurement tool and measurement method |
| CN112556548A (en) * | 2020-12-12 | 2021-03-26 | 安徽卓尔航空科技有限公司 | Real-time measuring device for propeller blade angle |
-
2019
- 2019-03-29 CN CN201920426461.3U patent/CN209605744U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823503A (en) * | 2019-12-02 | 2020-02-21 | 中国空气动力研究与发展中心 | Propeller blade angle protractor |
| CN110823503B (en) * | 2019-12-02 | 2021-05-04 | 中国空气动力研究与发展中心 | Propeller blade angle protractor |
| CN110966911A (en) * | 2019-12-19 | 2020-04-07 | 中国电子科技集团公司第三十八研究所 | Device and method for measuring blade angle of aviation propeller |
| CN110966911B (en) * | 2019-12-19 | 2021-07-09 | 中国电子科技集团公司第三十八研究所 | Device and method for measuring blade angle of aviation propeller |
| CN111780648A (en) * | 2020-07-14 | 2020-10-16 | 中国船舶科学研究中心 | Semi-submerged propeller propulsion unit angle measurement tool and measurement method |
| CN112556548A (en) * | 2020-12-12 | 2021-03-26 | 安徽卓尔航空科技有限公司 | Real-time measuring device for propeller blade angle |
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