CN209605794U - A kind of blade measuring device - Google Patents
A kind of blade measuring device Download PDFInfo
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- CN209605794U CN209605794U CN201920426550.8U CN201920426550U CN209605794U CN 209605794 U CN209605794 U CN 209605794U CN 201920426550 U CN201920426550 U CN 201920426550U CN 209605794 U CN209605794 U CN 209605794U
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- blade
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- measuring device
- supporting table
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Abstract
The utility model discloses a kind of blade measuring devices, comprising: supporting table, measurement bracket, blade support, positioning mechanism and angular transducer；Blade support is arranged in supporting table with fixation blade to be measured；Supporting table is horizontal, which is provided with scale, and the parallel scale of measurement bracket is slidably arranged in supporting table, measurement bracket be provided with can vertical sliding cross bar, cross bar is horizontally disposed and vertical scale；Positioning mechanism and angular transducer are relatively fixed, are slidably arranged on cross bar jointly, and can be in vertical rotation in surface；When positioning mechanism is extremely parallel with the section of blade to be measured by initial position rotational positioning, angular transducer measures the section angle of blade to be measured.The application quickly determines the sectional position of blade to be measured by traverse measurement bracket, then pass through sliding and rotation positioning device and angular transducer, keep angular transducer parallel with the section of blade to be measured, it is easy to use and operate quick to obtain the section angle of blade to be measured.
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, positioning mechanism
And angular transducer；
Blade support is arranged in supporting table with fixation blade to be measured；Supporting table is horizontal, which is provided with scale, measures bracket
Parallel scale is slidably arranged in supporting table, measurement bracket be provided with can vertical sliding cross bar, cross bar is horizontally disposed and vertical
Scale；Positioning mechanism and angular transducer are relatively fixed, are slidably arranged on cross bar jointly, and can be in vertical rotation in surface；
When positioning mechanism is extremely parallel with the section of blade to be measured by initial position rotational positioning, angular transducer measures blade to be measured
Section angle.
Optionally, blade measuring device further include: spill spin block, spill spin block are equipped with shaft；Cross bar is equipped with horizontal slide rail, rotation
The shaft of block protrudes into horizontal slide rail sliding, and positioning mechanism and angular transducer are slidably arranged on cross bar by spill spin block.
Optionally, positioning mechanism is provided with leading edge Ka Jiao and rear Ka Jiao, and clamping waits for respectively by leading edge Ka Jiao and rear Ka Jiao
When surveying the leading edge and rear in the section of blade, positioning mechanism is parallel with the section of blade to be measured.
Optionally, positioning mechanism includes: two frame, two buckles being oppositely arranged and connection buckles with guide rail
Elastic element, leading edge Ka Jiao and rear Ka Jiao are separately positioned on two buckles, and two are buckled in sliding in the guide rail of frame.
Optionally, supporting table is provided with positive stop lug boss, and blade support is provided with limiting groove, positive stop lug boss and limiting groove
Cooperation makes blade support be fixed in supporting table and not can be rotated.
Optionally, blade support is equipped with the vertical baffle of positioning column and separation blade two sides to be measured, vertical baffle resistance
Only blade rotation to be measured.
Optionally, vertical baffle is connected on blade support by elastic element, is tightened to blade side to be measured.
Optionally, the section of blade support is round, on the center position of blade support and multiple radial directions
Equipped with limiting slot, the dismountable limited post of setting is in limiting slot with fixation blade to be measured.
Optionally, angular transducer is digital angles of display sensor.
Optionally, measurement bracket is the square set of top end opening, passes through cunning between the bottom and supporting table of square set
Rail cooperation, two sides of square set are provided with a upright slide rail, the both ends of cross bar two with square set respectively
Upright slide rail cooperation.
In conclusion the beneficial effects of the utility model are:
Pass through traverse measurement bracket and read the corresponding scale of measurement bracket, can quickly determine the section position of blade to be measured
It sets, angular transducer and paddle to be measured is then made by sliding and rotation positioning device and angular transducer at the sectional position
The section of leaf is parallel, so that the section angle of blade to be measured is obtained, it is easy to use and operate quick intuitive, it can be achieved that each to blade
Angle measurement at section.
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 structural schematic diagram of supporting table in embodiment illustrated in fig. 1 blade measuring device；
Fig. 3 is the measurement supporting structure schematic diagram of blade measuring device in embodiment illustrated in fig. 1；
Fig. 4 is the positioning mechanism and angle sensor structure schematic diagram of blade measuring device in embodiment illustrated in fig. 1；
Fig. 5 is the blade bearing structure illustration of blade measuring device in embodiment illustrated in fig. 1；
In figure: 10, supporting table；11, scale；12, sliding rail；13, positive stop lug boss；20, bracket is measured；21, cross bar；211, water
Smooth rail；22, upright slide rail；30, positioning mechanism；31, frame；311, guide rail；32, it buckles；40, angular transducer；50, blade
Support；51, positioning column；52, vertical baffle；60, blade；70, spill spin block.
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: setting can parallel scale sliding measurement bracket, pass through traverse measurement bracket
And it reads the corresponding scale of measurement bracket and is then passed through at the sectional position with quickly determining the sectional position of blade to be measured
Sliding and rotation positioning device and angular transducer, it is parallel with the section of blade to be measured to make angular transducer, to obtain to be measured
The section angle of blade, it is final to realize to the angle measurement at each section of blade.
Fig. 1 to Fig. 5 shows the schematic diagram of disclosure blade measuring device one embodiment, as shown in Figures 1 to 5, one
Kind blade measuring device, the blade measuring device include: supporting table 10, measurement bracket 20, blade support 50,30 and of positioning mechanism
Angular transducer 40.
Blade support 50 is arranged in supporting table 10, to fixation blade 60 to be measured；Supporting table 10 is horizontally disposed, sets thereon
There is scale 11, measurement bracket 20 is slidably arranged in supporting table 10 to be parallel to the direction of scale 11, and measurement bracket 20 is provided with
Can vertical sliding cross bar 21, cross bar 21 is horizontally disposed and perpendicular to scale 11；Positioning mechanism 30 and angular transducer 40 are opposite
It is fixed, it is slidably arranged on cross bar 21 jointly, so as to be slided with 21 vertical lifting of cross bar and along 21 level of cross bar, and
Positioning mechanism 30 and angular transducer 40 also have rotational freedom, can be in vertical rotation in surface；Positioning mechanism 30 and angle
When sensor 40 is extremely parallel with the section of blade 60 to be measured by initial position rotational positioning, angular transducer 40 can measure paddle
The section angle of leaf 60.
Using the blade measuring device of the present embodiment, blade 60 to be measured is fixed in supporting table 10, is measured by sliding
Bracket 20 and reading scale 11, so that it may determine the sectional position of blade to be measured, then be determined by lifting cross bar 21, sliding and rotation
Position mechanism 30 and angular transducer 40, it is parallel with the section of blade 60 to make angular transducer 40, to obtain section angle.The paddle
Leaf measuring device is easy to use and operate quick intuitive, can the key Design section angle to blade carry out focus measurement, can also
To be measured the section angle at each position of blade comprehensively.
In the present embodiment, as shown in figure 3, blade measuring device further include: spill spin block 70, spill spin block 70 are equipped with shaft；
Cross bar 21 is equipped with horizontal slide rail 211, and the shaft of spill spin block 70 protrudes into sliding in horizontal slide rail 211, and positioning mechanism 30 and angle pass
Sensor 40 is slidably arranged on cross bar 21 by spill spin block 70, so as in vertical rotation in surface, with positioning to paddle to be measured
The section of leaf is parallel.
In the present embodiment, as shown in figure 4, positioning mechanism 30 is provided with leading edge Ka Jiao and rear Ka Jiao, leading edge Ka Jiao and
When rear Ka Jiao distinguishes the leading edge and rear in the section of clamping blade to be measured, positioning mechanism 30 is parallel with the section of blade to be measured,
To, it is also parallel with the section of blade to be measured with the relatively-stationary angular transducer 40 of positioning mechanism 30,40 turns of angular transducer
The angle crossed is the angle in blade section to be measured.
With continued reference to Fig. 4, in the present embodiment, positioning mechanism 30 includes: that frame 31, two with guide rail 311 are opposite
The elastic element (not shown) of two buckles 32 of buckle 32 and connection of setting, leading edge Ka Jiao and rear Ka Jiao are separately positioned on two
On a buckle 32, two buckles 32 slide in the guide rail of frame 31.Blade section to be measured is blocked by positioning mechanism 30
Front and rear edge, can be accurately positioned that angular transducer is parallel with section to be measured, to improve the accuracy of measurement.
In the present embodiment, supporting table 10 is provided with positive stop lug boss 13 (as shown in Figure 2), and blade support 50 is provided with limit
Groove (not shown), positive stop lug boss 13 and limiting groove cooperate, and blade support 50 is made to be fixed in supporting table 10 and not can be rotated,
To guarantee that mobile and rotation does not occur for blade in measurement process.Blade support 50, which can design, is made the more of different size model
It is a, so that the blade of corresponding different model uses respectively, improve the adaptability of blade measuring device.
In the present embodiment, as shown in figure 5, blade support 50 is equipped with positioning column 51 and blade two sides to be measured of living apart
Vertical baffle 52, vertical baffle 52 can limit the placement angle of blade, and blade to be measured is prevented to rotate.
In some other embodiment of the application, vertical baffle 52 is connected on blade support 50 by elastic element,
To tighten to blade side to be measured, the angle that blade is put can not only be limited, additionally it is possible to which further clamping blade prevents paddle
Leaf moves in measurement process, guarantees the accuracy of measurement.
In some other embodiment of the application, the section of blade support 50 is circle, the centre bit of blade support 50
Be equipped with limiting slot in the place of setting and multiple radial directions, in limiting slot the dismountable limited post of setting with fixation blade to be measured,
Multiple radial directions limited post cooperation center position limited post, can also by blade securely, be non-rotationally secured at
On blade support 50, guarantee the accuracy of measurement.
In some embodiments of the present application, angular transducer 40 is digital angles of display sensor 40, so as to straight
The registration for connecting number display reading angular sensor 40 intuitively obtains the angular values in blade section to be measured, raising pair
The efficiency of blade angle safety verification.
As shown in figure 3, measurement bracket 20 is the square set of top end opening, rectangular in Fig. 1 into embodiment illustrated in fig. 5
Cooperated between the bottom and supporting table 10 of bracket by sliding rail 12, two sides of square set are provided with a upright slide rail
22, the both ends of cross bar 21 cooperate with two upright slide rails 22 of square set respectively, are horizontally set on measurement bracket 20.To protect
Card measurement bracket 20 is unbiased when sliding with respect to supporting table 10 not to be shaken, and sliding rail 12 between the two uses rectangle enclosed sliding rail.
As shown in connection with fig. 1, the measurement process of the present embodiment blade measuring device is introduced:
Firstly, it is necessary to which angular transducer 40 is reset, i.e. 40 level of holding angular transducer can be adopted with determining initial zero position
With following operation: adjustment cross bar 21, positioning mechanism 30 and angular transducer 40 keep 31 bottom of frame of positioning mechanism 30 complete
Angular transducer 40 is pressed at this time so that positioning mechanism 30 and angular transducer 40 are horizontal in the lower end of full fitting measurement bracket 20
Reset key i.e. complete initial zero position setting.Then, blade to be measured is placed on blade support 50, using positioning column 51 and is erected
Straight baffle 52 limits blade rotation, completes the fixation of blade.Then, sliding measurement bracket 20, it is right by reading measurement bracket 20
Quasi- 11 numerical value of scale determines the sectional position to be measured of blade, when sliding measurement bracket 20 pay attention to adjusting the height of cross bar 21 with
And the position of positioning mechanism 30, two buckles 32 of positioning mechanism 30 are separated to two sides, so that blade passes through positioning mechanism 30
Two buckles 32 between, by rotation positioning device 30, the front and rear edge of blade is made to be respectively clamped into the leading edge card of two buckles 32
Angle and rear Ka Jiao determine that positioning mechanism 30 is parallel with respect to the section of blade with angular transducer 40, can pass through angle at this time
The digital display for spending sensor 40 reads the angle in blade section.The use process of the blade measuring device is easy quickly, reads angle
Degree evidence is intuitive easy to operate, can effectively improve the efficiency of blade section angle inspection.
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, positioning mechanism and angular transducer；
The blade support is arranged on the supporting table with fixation blade to be measured；The supporting table is horizontal, which is provided with scale,
The scale is slidably arranged in the supporting table measurement bracket in parallel, and the measurement bracket is provided with can vertical sliding
Cross bar, the cross bar is horizontally disposed with and the vertical scale；The positioning mechanism and the angular transducer are relatively fixed, jointly
It is slidably arranged on the cross bar, and can be in vertical rotation in surface；The positioning mechanism by initial position rotational positioning to
When the section of blade to be measured is parallel, the angular transducer measures the section angle of blade to be measured.
2. blade measuring device according to claim 1, which is characterized in that the blade measuring device further include: rotation
Block, the spill spin block are equipped with shaft；The cross bar is equipped with horizontal slide rail, and it is sliding that the shaft of the spill spin block protrudes into the horizontal slide rail
Dynamic, the positioning mechanism and the angular transducer are slidably arranged on the cross bar by the spill spin block.
3. blade measuring device according to claim 2, which is characterized in that the positioning mechanism be provided with leading edge Ka Jiao and
When rear Ka Jiao, the leading edge Ka Jiao and rear Ka Jiao distinguish the leading edge and rear in the section of clamping blade to be measured, the positioning
Mechanism is parallel with the section of blade to be measured.
4. blade measuring device according to claim 3, which is characterized in that the positioning mechanism includes: with guide rail
Frame, two buckles being oppositely arranged and the elastic element for connecting two buckles, the leading edge Ka Jiao and rear Ka Jiao divide
Sliding in the guide rail of the frame on two buckles, She Zhi not be buckled in described in two.
5. blade measuring device according to claim 1, which is characterized in that the supporting table is provided with positive stop lug boss, institute
It states blade support and is provided with limiting groove, the positive stop lug boss and the limiting groove cooperate, and are fixed on the blade support
In the supporting table and it not can be rotated.
6. blade measuring device according to claim 5, which is characterized in that the blade support be equipped with positioning column and
Live apart the vertical baffles of blade two sides to be measured, the vertical baffle prevents blade rotation to be measured.
7. blade measuring device according to claim 6, which is characterized in that the vertical baffle is connected by elastic element
On the blade support, tightened to blade side to be measured.
8. blade measuring device according to claim 5, which is characterized in that the section of the blade support is circle, institute
It states and is equipped with limiting slot on the center position and multiple radial directions of blade support, setting is dismountable in the limiting slot
Limited post is with fixation blade to be measured.
9. blade measuring device according to claim 1, which is characterized in that the angular transducer is digital angles of display
Sensor.
10. blade measuring device according to claim 1, which is characterized in that the measurement bracket is the side of top end opening
Shape bracket is cooperated between the bottom of the square set and the supporting table by sliding rail, two sides of the square set
It is provided with a upright slide rail, the both ends of the cross bar cooperate with two upright slide rails of the square set respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920426550.8U CN209605794U (en) | 2019-03-29 | 2019-03-29 | A kind of blade measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920426550.8U CN209605794U (en) | 2019-03-29 | 2019-03-29 | A kind of blade measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN209605794U true CN209605794U (en) | 2019-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920426550.8U Active CN209605794U (en) | 2019-03-29 | 2019-03-29 | A kind of blade measuring device |
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Cited By (3)
| 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 |
| CN113090882A (en) * | 2021-03-29 | 2021-07-09 | 天津大学 | Tunnel model warp measurement and uses miniature displacement sensor fixing device |
-
2019
- 2019-03-29 CN CN201920426550.8U patent/CN209605794U/en active Active
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 |
| 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 |
| CN113090882A (en) * | 2021-03-29 | 2021-07-09 | 天津大学 | Tunnel model warp measurement and uses miniature displacement sensor fixing device |
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