CN219262587U - Variable blade angle deviation measuring device - Google Patents
Variable blade angle deviation measuring device Download PDFInfo
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- CN219262587U CN219262587U CN202320753465.9U CN202320753465U CN219262587U CN 219262587 U CN219262587 U CN 219262587U CN 202320753465 U CN202320753465 U CN 202320753465U CN 219262587 U CN219262587 U CN 219262587U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a variable blade angle deviation measuring device which comprises a measuring ruler and an angle fixing mechanism, wherein the angle fixing mechanism comprises a fixing column, a connecting hole, a threaded cover, a placing groove and a gasket, one side surface of the measuring ruler is rotatably connected with a caliper, one side surface of the measuring ruler is provided with the angle fixing mechanism, and one side surface of the measuring ruler is provided with a clamping mechanism. When the angle after the measurement of the measuring rule needs to be fixed, the fixed column is connected with one side surface of the measuring rule in a penetrating way, then a connecting hole is formed in one side surface of the caliper rule, the measuring rule and the caliper rule can be connected in a rotating way through the connecting hole and the fixed column, then a placing groove is formed in one side surface of the threaded cover, the threaded cover is connected with the fixed column in a threaded way, the measured angle of the threaded cover clamping the caliper rule is fixed at present, the caliper rule can be protected through the arrangement of the gasket, and therefore the effect of fixing the angle after the measurement of the measuring rule is achieved.
Description
Technical Field
The utility model relates to the technical field of variable pitch, in particular to a variable pitch blade angle deviation measuring device.
Background
The variable pitch is used as one of the core parts of a control system of the large wind turbine, has very important effect on safe, stable and efficient operation of the wind turbine, stable variable pitch control becomes one of hot spots and difficulties in the research of the control technology of the current large wind turbine, a variable pitch mechanism controls the position angle of blades relative to a rotating plane, a small fan does not have a variable pitch mechanism, the rotating speed must be regulated by stall at high speed, the variable pitch control enables the fan to obtain electric energy at low wind speed, and captures wind energy with fixed size at wind speed greater than rated wind speed, and the method for controlling the pitch angle is more than one; various methods all need a mechanism for controlling the blade angle, a control algorithm continuously monitors wind speed and generator output, the pitch angle of the blade is adjusted, when the wind speed is higher than rated wind speed, the pitch angle of the blade is greatly increased to change the attack angle and induce stall, the blade is often detected in the manufacturing process and the using process of the blade, the blade is often detected, and therefore, a blade angle deviation measuring device is particularly needed.
However, in the existing variable blade angle deviation measuring device, most variable blade angle deviation measuring devices do not have the function of fixing the angle after measurement in the use process, so that the angle can be changed when the measuring device is taken out, and the angle is not beneficial to the secondary observation after measurement.
Disclosure of Invention
The utility model aims to provide a variable blade angle deviation measuring device, which aims to solve the problems that in the prior variable blade angle deviation measuring device proposed in the prior art, most variable blade angle deviation measuring devices do not have the function of fixing the angle after measurement in use, so that the angle is changed when the measuring device is taken out, and the device is not beneficial to the observation of the variable blade angle deviation measuring device after measurement.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a become paddle blade angle deviation measuring device, includes dipperstick and angle fixing mechanism, and wherein angle fixing mechanism is including fixed column, connecting hole, screw thread lid, standing groove and packing ring, one side surface swivelling joint of dipperstick has the slide caliper rule, one side surface of dipperstick is provided with angle fixing mechanism, one side surface of dipperstick is provided with fixture.
Preferably, the angle fixing mechanism comprises a fixing column, a connecting hole, a thread cover, a placing groove and a gasket, wherein the fixing column is connected with one side surface of the measuring ruler in a penetrating manner, the connecting hole is formed in one side surface of the caliper, the thread cover is connected with the outer side surface of the fixing column in a threaded manner, the placing groove is formed in one side surface of the thread cover, and the gasket is tightly attached to the inner side surface of the placing groove.
Preferably, the outer wall size of the fixing column is matched with the inner wall size of the threaded cover, and the inner wall size of the threaded cover is matched with the outer wall size of the connecting hole.
Preferably, the outer wall size of the gasket is matched with the inner wall size of the placing groove, and the gasket is made of rubber.
Preferably, the fixture includes bottom plate, screw, spout, slider, bolt, butt plate and screw cap, a side surface mounting of dipperstick has the bottom plate, a side surface threaded connection of bottom plate has the screw, the spout has been seted up to a side surface of bottom plate, the inboard sliding connection of spout has the slider, a side surface fixedly connected with bolt of slider, a side surface fixedly connected with butt plate of slider, the outside surface threaded connection of bolt has the screw cap.
Preferably, the screws are distributed on one side surface of the bottom plate at equal intervals, and the outer wall size of the sliding block is matched with the inner wall size of the sliding groove.
Preferably, the inner wall size of the screw cap is identical with the outer wall size of the bolt, and the retaining plate is in sliding connection with the bottom plate through the sliding block.
Compared with the prior art, the utility model has the beneficial effects that: this an angle fixing device for dipperstick, through the fixed column, the connecting hole, the screw thread lid, setting of standing groove and packing ring, when using, it is, at first, one side surface through connection of dipperstick has the fixed column to need fix the angle after the dipperstick measurement, then the connecting hole has been seted up on one side surface of slide caliper rule, can carry out swivelling joint with dipperstick and slide caliper rule through the connecting hole this moment, then the standing groove has been seted up on one side surface of screw thread lid, the inboard surface of standing groove closely laminates there is the packing ring, rotatory screw thread lid threaded connection fixed column this moment, the screw thread lid clamp slide caliper rule just is fixed at the present by the angle of being measured this moment, can protect the slide caliper rule through the setting of packing ring, the effect of fixing the angle after the dipperstick measurement has just been accomplished like this.
Drawings
FIG. 1 is a schematic diagram of a side view of the present utility model;
FIG. 2 is a schematic view of the structure of the fixing post and the connecting hole of the present utility model;
FIG. 3 is a schematic view of a clamping mechanism according to the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.
In the figure: 1. a measuring ruler; 2. a caliper; 3. an angle fixing mechanism; 301. fixing the column; 302. a connection hole; 303. a screw cap; 304. a placement groove; 305. a gasket; 4. a clamping mechanism; 401. a bottom plate; 402. a screw; 403. a chute; 404. a slide block; 405. a bolt; 406. a retaining plate; 407. a screw cap.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a become paddle blade angle deviation measuring device, includes dipperstick 1 and angle fixing mechanism 3, and wherein angle fixing mechanism 3 is including fixed column 301, connecting hole 302, screw thread lid 303, standing groove 304 and packing ring 305, and one side surface swivelling joint of dipperstick 1 has slide caliper rule 2, and one side surface of dipperstick 1 is provided with angle fixing mechanism 3, and one side surface of dipperstick 1 is provided with fixture 4.
Further, the angle fixing mechanism 3 includes a fixing column 301, a connecting hole 302, a screw cap 303, a placing groove 304 and a gasket 305, a fixing column 301 is connected to one side surface of the measuring rule 1 in a penetrating manner, a connecting hole 302 is formed in one side surface of the caliper rule 2, a screw cap 303 is connected to one side surface of the fixing column 301 in a threaded manner, a placing groove 304 is formed in one side surface of the screw cap 303, the gasket 305 is tightly attached to the inner side surface of the placing groove 304, and when the angle measured by the measuring rule 1 is required to be fixed through the fixing column 301, then a connecting hole 302 is formed in one side surface of the caliper rule 2, at this time, the measuring rule 1 and the caliper rule 2 can be connected in a rotating manner through the connecting hole 302 and the fixing column 301, then a placing groove 304 is formed in one side surface of the screw cap 303, at this time, the screw cap 303 is tightly attached to the fixing column 301 in a threaded manner, and the angle measured by the screw cap 303 is fixed at present, so that the angle measured by the caliper rule 2 can be fixed through the current setting of the gasket 305, and the angle can be measured through the caliper rule 2.
Further, the outer wall size of the fixing column 301 is matched with the inner wall size of the screw cap 303, the inner wall size of the screw cap 303 is matched with the outer wall size of the connecting hole 302, and the caliper 2 can be rotated better through the arrangement of the fixing column 301.
Further, the outer wall size of the gasket 305 is matched with the inner wall size of the placing groove 304, the gasket 305 is made of rubber, and the caliper 2 can be protected by the arrangement.
Further, the clamping mechanism 4 comprises a bottom plate 401, a screw 402, a chute 403, a sliding block 404, a bolt 405, a retaining plate 406 and a threaded cap 407, wherein the bottom plate 401 is arranged on one side surface of the measuring ruler 1, the screw 402 is connected with one side surface of the bottom plate 401 in a threaded manner, the chute 403 is arranged on one side surface of the bottom plate 401, the sliding block 404 is connected with the inner side of the chute 403 in a sliding manner, the bolt 405 is fixedly connected with one side surface of the sliding block 404, the retaining plate 406 is fixedly connected with one side surface of the sliding block 404, the threaded cap 407 is connected with the outer side surface of the bolt 405 in a threaded manner, and when the measuring ruler is used, when the angle of the variable propeller blade needs to be measured by the measuring scale 1, firstly, the bottom plate 401 is installed on one side surface of the measuring scale 1, at this time, the bottom plate 401 and the measuring scale 1 are fixed together by the rotary screw 402, then the sliding groove 403 is formed on one side surface of the bottom plate 401, the sliding block 404 can slide in the sliding groove 403, then the retaining plate 406 is fixedly connected with one side surface of the sliding block 404, at this time, the variable propeller blade can be clamped between the retaining plate 406 and the measuring scale 1, then the retaining plate 406 is adjusted to clamp the variable propeller blade, at this time, the measuring scale 1 and the variable propeller blade can be guaranteed to be on the same horizontal line, and then the sliding block 404 is fixed at the current position after the rotary screw 405 is screwed up by the threaded connection screw 402, so that the clamping effect of the measuring scale 1 is achieved.
Further, the screws 402 are distributed on one side surface of the bottom plate 401 at equal intervals, the outer wall size of the sliding block 404 is matched with the inner wall size of the sliding groove 403, and the bottom plate 401 can be better fixed through the arrangement of the screws 402.
Further, the inner wall size of the threaded cap 407 is matched with the outer wall size of the bolt 405, the retaining plate 406 is slidably connected with the bottom plate 401 through the sliding block 404, and the retaining plate 406 can be moved better through the arrangement of the retaining plate 406.
Working principle: when the angle measured by the measuring rule 1 needs to be fixed, firstly, one side surface of the measuring rule 1 is connected with a fixing column 301 in a penetrating way, then one side surface of a caliper 2 is provided with a connecting hole 302, at the moment, the measuring rule 1 and the caliper 2 can be rotationally connected through the connecting hole 302 and the fixing column 301, then one side surface of a threaded cover 303 is provided with a placing groove 304, the inner side surface of the placing groove 304 is tightly attached with a gasket 305, at the moment, the rotating threaded cover 303 is in threaded connection with the fixing column 301, at the moment, the measured angle of the caliper 2 is fixed by the threaded cover 303, the caliper 2 can be protected by the arrangement of the gasket 305, thus the effect of fixing the angle measured by the measuring rule 1 is completed, and the arrangement of a bottom plate 401, a screw 402, a chute 403, a slide block 404, a bolt 405, a retaining plate 406 and a threaded cap 407 is realized, when the angle of the variable blade is required to be measured by the measuring scale 1 in use, firstly, the bottom plate 401 is installed on one side surface of the measuring scale 1, at this time, the bottom plate 401 and the measuring scale 1 are fixed together by the rotating screw 402, then the sliding groove 403 is formed on one side surface of the bottom plate 401, at this time, the sliding block 404 can slide in the sliding groove 403, then the retaining plate 406 is fixedly connected with one side surface of the sliding block 404, at this time, the variable blade can be clamped between the retaining plate 406 and the measuring scale 1, then the retaining plate 406 is adjusted to clamp the variable blade, at this time, the measuring scale 1 and the variable blade can be guaranteed to be on the same horizontal line, then the sliding block 404 is fixed at the current position after the threaded connection screw 402 is screwed by the rotating screw 405, so that the clamping effect of the measuring scale 1 is finished, and the variable blade angle deviation measuring device is finished.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Become paddle blade angle deviation measuring device, including dipperstick (1) and angle fixing mechanism (3), wherein angle fixing mechanism (3) are including fixed column (301), connecting hole (302), screw cap (303), standing groove (304) and packing ring (305), its characterized in that: one side surface swivelling joint of dipperstick (1) has slide caliper rule (2), one side surface of dipperstick (1) is provided with angle fixing mechanism (3), one side surface of dipperstick (1) is provided with fixture (4).
2. The variable blade angular deviation measuring device according to claim 1, wherein: the angle fixing mechanism (3) comprises a fixing column (301), a connecting hole (302), a threaded cover (303), a placing groove (304) and a gasket (305), wherein one side surface of the measuring scale (1) is connected with the fixing column (301) in a penetrating manner, one side surface of the caliper (2) is provided with the connecting hole (302), the outer side surface of the fixing column (301) is connected with the threaded cover (303) in a threaded manner, one side surface of the threaded cover (303) is provided with the placing groove (304), and the inner side surface of the placing groove (304) is tightly attached with the gasket (305).
3. The variable blade angular deviation measuring device according to claim 2, wherein: the outer wall size of the fixing column (301) is matched with the inner wall size of the threaded cover (303), and the inner wall size of the threaded cover (303) is matched with the outer wall size of the connecting hole (302).
4. The variable blade angular deviation measuring device according to claim 2, wherein: the outer wall size of the gasket (305) is matched with the inner wall size of the placing groove (304), and the gasket (305) is made of rubber.
5. The variable blade angular deviation measuring device according to claim 1, wherein: clamping mechanism (4) are including bottom plate (401), screw (402), spout (403), slider (404), bolt (405), butt plate (406) and screw cap (407), one side surface mounting of dipperstick (1) has bottom plate (401), one side surface threaded connection of bottom plate (401) has screw (402), spout (403) have been seted up on one side surface of bottom plate (401), the inboard sliding connection of spout (403) has slider (404), one side surface fixedly connected with bolt (405) of slider (404), one side surface fixedly connected with butt plate (406) of slider (404), outside surface threaded connection of bolt (405) has screw cap (407).
6. The variable blade angular deviation measuring device according to claim 5, wherein: the screws (402) are distributed on one side surface of the bottom plate (401) at equal intervals, and the outer wall size of the sliding block (404) is matched with the inner wall size of the sliding groove (403).
7. The variable blade angular deviation measuring device according to claim 5, wherein: the inner wall size of the threaded cap (407) is matched with the outer wall size of the bolt (405), and the retaining plate (406) is in sliding connection with the bottom plate (401) through the sliding block (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320753465.9U CN219262587U (en) | 2023-04-07 | 2023-04-07 | Variable blade angle deviation measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320753465.9U CN219262587U (en) | 2023-04-07 | 2023-04-07 | Variable blade angle deviation measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219262587U true CN219262587U (en) | 2023-06-27 |
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ID=86861051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320753465.9U Active CN219262587U (en) | 2023-04-07 | 2023-04-07 | Variable blade angle deviation measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219262587U (en) |
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2023
- 2023-04-07 CN CN202320753465.9U patent/CN219262587U/en active Active
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