CN205156857U - Fan blade software and hardware zero -bit calibrating device - Google Patents
Fan blade software and hardware zero -bit calibrating device Download PDFInfo
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- CN205156857U CN205156857U CN201520960192.0U CN201520960192U CN205156857U CN 205156857 U CN205156857 U CN 205156857U CN 201520960192 U CN201520960192 U CN 201520960192U CN 205156857 U CN205156857 U CN 205156857U
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- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract 2
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- 238000013475 authorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
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Abstract
The utility model relates to a fan blade software and hardware zero -bit calibrating device. Fan blade software and hardware zero -bit calibrating device, including the support cantilever, the one end that supports the cantilever is equipped with the plane laminating complex plane of orientation that is used for becoming oar dog contact surface with wheel hub, and the other end that supports the cantilever is equipped with the laser instrument, the axis of laser instrument with the plane of orientation coplane. Adopt above -mentioned technical scheme, during the use, become oar dog contact surface's plane laminating cooperation with plane of orientation and wheel hub, open the laser instrument, can launch with the coplaner laser of plane of orientation, laser that dependence was throwed and the contrast of the zero -bit scale mark of blade have been avoided relying on people's sight to counterpoint, and the counterpoint precision can rely on the manufacturing accuracy of support cantilever and the installation NULL of laser instrument, and the calibration error is little, and the reliability is high.
Description
Technical field
The utility model relates to fan blade software and hardware zero adjustment device.
Background technology
In Wind turbines, blade not only can revolve round the sun around the center of wind wheel under the action of the forces of the wind, and each blade can also around own axes rotation, and namely blade becomes oar around own axes rotation, is completed by pitch-controlled system.The pitch-controlled system of fan blade comprises and is arranged on pitch variable bearings on wheel hub and becomes oar drive unit, blade is connected on the ring gear of pitch variable bearings, the outer ring of pitch variable bearings is connected with wheel hub by bolt hole, becomes oar drive unit and generally adopts pitch motor outputting power.When wind direction changes, drive pitch variable bearings to rotate by becoming oar drive unit thus change blade to the angle of attack of wind direction, the state windward making blade keep best, controls the lift of blade, thus to reach the moment of torsion of control action on blade and the object of power.
The zero adjustment debugging of blade is the important process ensureing that blower fan normally runs, in existing vaned debugging efforts, the zero drift of ruler to blade is generally used to measure, measuring process needs three people's cooperatings, one people uses hand operation box manually to become oar, ruler is close to wheel hub and becomes in the plane of oar stops surface in contact by one people, becoming the relative position observing ruler and blade zero-bit scale mark in oar process, ensure that ruler just in time indicates on the zero graduation line of blade by constantly adjusting, the blade angle of current display now can be found out by blower fan master control panel, this angle is the deviate of fan blade software and hardware zero-bit angle, simultaneously, another people watches master control panel and remembers this deviate, this deviate is used for software zero adjustment.Carry out blade software and hardware zero adjustment according to the method, ruler bends and the deviation of people's sight angle can produce certain error, and needs three people's operations, and inefficiency, error are large.
The Chinese patent that application number is 201420794996.3, Authorization Notice No. is CN204269017U discloses a kind of large-scale double-fed wind power generator group blade Zero positioning frock, scale is adopted to realize calibration, the outside of scale is the circular arc of predetermined radii, and be provided with scale, scale is also provided with multiple pilot hole, and each pilot hole circumferentially and the center of circle of this circumference is identical with the circular arc center of circle.During use, described scale is placed into the joint of blade and wheel hub, the outside of scale is overlapped with the circular arc docked of the two, the coincidence status of circular arc is kept to move scale, alignd in the center of circle of the immediate erection bolt of the actual zero-bit of the center of circle of the pilot hole of described scale and blade, manual rotation pitch variable bearings, a angle and the wheel hub 0 ° of pointer making frock indicate blade aligns, complete arrangement angles deviation a, pass through to regulate scrambler zero setting according to this angular deviation again, wheel hub 0 ° of pointer is alignd with pointer with the reality 0 ° of position on " zero-bit " calibration tool, also make the actual zero-bit of blade be consistent with the scrambler zero-bit controlling to use simultaneously.
But above-mentioned calibrating mode still needs to carry out contraposition by people's sight line, there is the problem that error is large equally.Further, above-mentioned frock can only use when Wind turbines workshop debug system, cannot use at the wind field installing blade.
Utility model content
The purpose of this utility model is to provide a kind of fan blade software and hardware zero adjustment device, to solve the large problem of existing calibrating mode calibration error.
The technical solution adopted in the utility model is: fan blade software and hardware zero adjustment device, comprise supporting cantilever, one end of described supporting cantilever is provided with the plane of orientation of the plane close fit for becoming oar stops surface in contact with wheel hub, the other end of supporting cantilever is provided with laser instrument, and axis and the described plane of orientation of described laser instrument are coplanar.
Described laser instrument is laser line generator.
One end that described supporting cantilever is provided with plane of orientation is provided with cantilever fixed sturcture, and described cantilever fixed sturcture is for being fixed to removable for supporting cantilever the plane that wheel hub becomes oar stops surface in contact.
Described cantilever fixed sturcture is magnetic absorption structure.
Described supporting cantilever is provided with stopping surface orthogonal with described plane of orientation, and described stopping surface is arranged on plane of orientation one end near laser instrument.
Described supporting cantilever is telescopic boom.
Described laser instrument is adjustably arranged in supporting cantilever along the axial location of supporting cantilever.
The utility model adopts technique scheme, one end of supporting cantilever is provided with the plane of orientation of the plane close fit for becoming oar stops surface in contact with wheel hub, the other end is provided with laser instrument, and the axis of laser instrument and described plane of orientation coplanar, during use, plane of orientation and wheel hub are become the plane close fit of oar stops surface in contact, open laser instrument, the laser coplanar with described plane of orientation can be launched, the laser of projection is relied on to contrast with the zero graduation line of blade, avoid the sight line contraposition relying on people, aligning accuracy can rely on the manufacturing accuracy of supporting cantilever and the installation accuracy of laser instrument to ensure, calibration error is little, reliability is high.
Further, adopt laser line generator to contrast with the zero graduation line of blade better, use more convenient, calibration accuracy can be ensured better.
Further, supporting cantilever is provided with cantilever fixed sturcture, removable for the supporting cantilever wheel hub that is fixed to can be become in the plane of oar stops surface in contact, not need to arrange operating personnel in addition and help calibrating installation, avoid calibrating installation to be moved, also reduce operating personnel's demand.
Further, described supporting cantilever is provided with stopping surface orthogonal with described plane of orientation, can become on right-angled edge corresponding on oar stops with wheel hub, making supporting cantilever can navigate to wheel hub rapidly and accurately becomes on oar stops, easy to use, be conducive to raising the efficiency, and can calibrating installation avoided better to be moved, improve calibration accuracy.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of fan blade software and hardware zero adjustment device;
Fig. 2 is the using state schematic diagram of zero adjustment device in Fig. 1.
The name that in figure, each Reference numeral is corresponding is called: 1-cantilever main body, 2-fixed part, 3-plane of orientation, 4-laser instrument mounting hole, 5-laser instrument, 6-stopping surface, 7-blade, 8-pitch variable bearings, 9-blade zero-bit rule, and 10-wheel hub becomes oar stops, 11-right-angled edge.
Embodiment
The embodiment of the utility model fan blade software and hardware zero adjustment device, just like shown in Fig. 1 ~ Fig. 2, comprises supporting cantilever and laser instrument 5.Supporting cantilever comprises cantilever main body 1 and fixed part 2, and cantilever main body 1 xsect is rectangle, and one end and fixed part 2 are fixedly connected, and the other end is projecting end, and projecting end is provided with laser instrument mounting hole 4, and laser instrument is fixed in laser instrument mounting hole 4.Fixed part 2 entirety is L shape structure, there is orthogonal plane of orientation 3 and stopping surface 6, plane of orientation 3 is for becoming the plane close fit of oar stops 10 surface in contact with wheel hub, stopping surface 6 coordinates for the corresponding surface block at right-angled edge 11 place become on oar stops 10 with wheel hub, realize the location of supporting cantilever on wheel hub change oar stops 10, the laser that laser instrument is launched projects the position corresponding with blade zero-bit rule 9.
Fixed part 2 entirety is made for magnetic material, has magnetic, can be adsorbed onto wheel hub and become on oar stops 10, not need support, can reduce number needed for calibrating operation, and avoid personnel directly to help the change in location caused after having good positioning.
Laser instrument 5 adopts laser line generator, laser line generator is fixed in supporting cantilever coplanar with the plane of orientation 3 in the line laser making it launch and supporting cantilever with setting means, during use, line laser also can become the co-planar of oar stops 10 surface in contact with wheel hub, ensures calibration accuracy.
During use, the fixed part 2 of supporting cantilever is become on the right-angled edge 11 of oar stops 10 by position to wheel hub, plane of orientation 3 and wheel hub is made to become the plane close fit of oar stops 10 surface in contact, the corresponding surface block simultaneously making stopping surface 6 and wheel hub become on oar stops 10 coordinates, and realizes the location of supporting cantilever on wheel hub change oar stops 10.Then, open laser instrument, the laser projection that laser instrument is launched is to the position corresponding with blade zero-bit rule 9.Then, one people manually operating case makes blade 7 slowly rotate, manual change oar, and observation line laser, line laser stops becoming oar when arriving the zero graduation line place of blade zero-bit rule 9, now can find out this blade 7 angle shown by blower fan master control panel, this angle is the deviate of fan blade software and hardware zero-bit angle, and this deviate can be utilized to realize software zero adjustment.
The embodiment two of the utility model fan blade software and hardware zero adjustment device: be with the difference of embodiment one, in the present embodiment, supporting cantilever is telescopic boom, sway brace body part is telescopic sleeve structure, axial stretching can be realized, to adapt to the axial distance that wheel hub becomes oar stops 10 and blade zero-bit rule 9.
The embodiment three of the utility model fan blade software and hardware zero adjustment device: be with the difference of embodiment one, in the present embodiment, laser instrument is adjustably arranged in supporting cantilever along the axial location of supporting cantilever, to adapt to the axial distance that wheel hub becomes oar stops 10 and blade zero-bit rule 9.
In the above-described embodiments, laser instrument adopts laser line generator, and the cantilever fixed sturcture in supporting cantilever in the plane being fixed to wheel hub change oar stops 10 surface in contact that supporting cantilever is removable is magnetic absorption structure.In other embodiments of the present utility model, laser instrument also can adopt dot laser, and cantilever fixed sturcture also can replace with other forms, such as, on fixed part 2, arrange screw, become on oar stops 10 at wheel hub and threaded hole is set, rely on screw to realize removable fixing.When adopting magnetic absorption structure, also can become on oar stops 10 at wheel hub and magnet is set, or be embedded magnet in supporting cantilever.In addition, also cantilever fixed sturcture can not be set, rely on operating personnel to help supporting cantilever.Moreover, in other embodiments, fixed part 2 also can not arrange stopping surface 6, plane of orientation 3 is only set, can realize equally relying on laser to calibrate.
Claims (7)
1. fan blade software and hardware zero adjustment device, it is characterized in that: comprise supporting cantilever, one end of described supporting cantilever is provided with the plane of orientation of the plane close fit for becoming oar stops surface in contact with wheel hub, the other end of supporting cantilever is provided with laser instrument, and axis and the described plane of orientation of described laser instrument are coplanar.
2. fan blade software and hardware zero adjustment device according to claim 1, is characterized in that: described laser instrument is laser line generator.
3. fan blade software and hardware zero adjustment device according to claim 1 and 2, it is characterized in that: one end that described supporting cantilever is provided with plane of orientation is provided with cantilever fixed sturcture, described cantilever fixed sturcture is for being fixed to removable for supporting cantilever the plane that wheel hub becomes oar stops surface in contact.
4. fan blade software and hardware zero adjustment device according to claim 3, is characterized in that: described cantilever fixed sturcture is magnetic absorption structure.
5. fan blade software and hardware zero adjustment device according to claim 1 and 2, it is characterized in that: described supporting cantilever is provided with stopping surface orthogonal with described plane of orientation, described stopping surface is arranged on plane of orientation one end near laser instrument.
6. fan blade software and hardware zero adjustment device according to claim 1 and 2, is characterized in that: described supporting cantilever is telescopic boom.
7. fan blade software and hardware zero adjustment device according to claim 1 and 2, is characterized in that: described laser instrument is adjustably arranged in supporting cantilever along the axial location of supporting cantilever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520960192.0U CN205156857U (en) | 2015-11-27 | 2015-11-27 | Fan blade software and hardware zero -bit calibrating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520960192.0U CN205156857U (en) | 2015-11-27 | 2015-11-27 | Fan blade software and hardware zero -bit calibrating device |
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| CN205156857U true CN205156857U (en) | 2016-04-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185059A (en) * | 2018-08-17 | 2019-01-11 | 国投白银风电有限公司 | A kind of wind power generating set power optimization aggregate adjustment |
| CN113203402A (en) * | 2021-05-18 | 2021-08-03 | 中车株洲电力机车研究所有限公司 | Blade zero calibration device of wind generating set and installation and use method |
| CN114046229A (en) * | 2021-11-17 | 2022-02-15 | 厦门双瑞风电科技有限公司 | Automatic calibration system for wind power blade installation angle |
-
2015
- 2015-11-27 CN CN201520960192.0U patent/CN205156857U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185059A (en) * | 2018-08-17 | 2019-01-11 | 国投白银风电有限公司 | A kind of wind power generating set power optimization aggregate adjustment |
| CN113203402A (en) * | 2021-05-18 | 2021-08-03 | 中车株洲电力机车研究所有限公司 | Blade zero calibration device of wind generating set and installation and use method |
| CN114046229A (en) * | 2021-11-17 | 2022-02-15 | 厦门双瑞风电科技有限公司 | Automatic calibration system for wind power blade installation angle |
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