CN216869363U - Variable-pitch limiting bumper size calibration device - Google Patents
Variable-pitch limiting bumper size calibration device Download PDFInfo
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- CN216869363U CN216869363U CN202122179310.2U CN202122179310U CN216869363U CN 216869363 U CN216869363 U CN 216869363U CN 202122179310 U CN202122179310 U CN 202122179310U CN 216869363 U CN216869363 U CN 216869363U
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Abstract
A variable pitch limit striker size calibration device comprises: the height detection component is connected with the mounting surface detection component; the installation surface detection part further comprises a base and a positioning column, and the height detection part further comprises a first height detection scale and a second height detection scale. The variable-pitch limiting impact iron size calibration device provided by the utility model can be used for rapidly calibrating multiple structure sizes of the variable-pitch limiting impact iron to be tested, and the labor cost and the time cost required for calibrating the size of the variable-pitch limiting impact iron to be tested are saved on the premise of ensuring the accurate calibration of the size of the limiting impact iron.
Description
Technical Field
The utility model belongs to the technical field of wind power pitch variation, and particularly relates to a device for calibrating the size of a pitch-variation limiting impact iron.
Background
In recent years, the wind power industry is continuously developed, wherein a pitch system is used as one of core parts of a control system of a large wind turbine generator and plays an important role in safe, stable and efficient operation of the generator. In order to ensure the operational reliability of the variable pitch control system, currently, the variable pitch control system is designed with a limit striker which is matched with a matched proximity switch and a limit switch to realize the detection and feedback of blade angle information, the variable pitch limit striker is installed on an inner arc of a blade bearing, and the sizes of the radian, the length, the installation hole, the height of a detection surface of the limit switch, the height of the detection surface of the proximity switch and the like of the variable pitch limit striker must strictly comply with the design tolerance requirements.
The traditional limiting impact iron is machined, the machining precision of a product is high, the design requirement of a variable pitch control system can be met, the cost is high, and the production efficiency is low. With the rapid development of the technology of the wind power industry in recent years, the installation quantity is rapidly increased, and the cost pressure and the delivery pressure of products are increased. The processing technology of the limit impact iron is changed into casting and welding modes, uncontrollable increase in the production process is caused, and if the sizes of radian, length, mounting hole, height of a limit switch detection surface, height of a proximity switch detection surface and the like of a mounting surface of the variable-pitch limit impact iron are not verified, poor mounting and matching of the limit impact iron or overlarge detection deviation of blade angles in the field construction process can be caused, waste of time and labor cost can be caused, and safety risks of products are increased.
Therefore, the size of the variable-pitch limiting impact iron is verified, and an important guarantee process for ensuring the safe operation of a variable-pitch system is achieved. In the existing calibration measures, the calibration of the size of the limiting impact iron needs to adopt tools such as a vernier caliper and the like, the measurement process is complicated, great time and labor are needed, and the requirement of radian measurement cannot be effectively met.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide the variable-pitch limiting impact size calibration device, which can optimize the calibration process and reduce the time cost and the labor cost in the limiting impact size calibration work.
The utility model adopts the following technical scheme.
A variable pitch limit striker size calibration device comprises:
the height detection component is connected with the mounting surface detection component;
the installation surface detection part further comprises a base and a positioning column, and the height detection part further comprises a first height detection scale and a second height detection scale.
Further, the top surface of the base is a concave arc surface, the bottom surface is a horizontal plane, the radian of the top surface is equal to the radian of an outer arc of the installation surface of the standard limiting iron, and the arc length is equal to the arc length of the outer arc of the installation surface of the standard limiting iron.
Furthermore, the positioning column further comprises a first positioning column and a second positioning column, wherein the first positioning column and the second positioning column are both of cylindrical structures and are arranged on the concave cambered surface of the base.
Furthermore, the first positioning column and the second positioning column are both of cylindrical structures and have the same diameter, and the diameter d of the first positioning column and the diameter d of the second positioning column are1The length of the outer diameter of the bolt is designed to be equal to the length of the mounting hole of the standard limit iron, and the distance l between the central points of the bolt and the bolt1Equal to the design center distance of 2 mounting holes of the standard limit impact iron.
Further, the first height inspection scale is at a height h from the top surface of the base1Equal to the upper limit value of the height of the detection surface of the proximity switch of the standard limit impact iron, and the height h of the second height detection scale from the top surface of the base2Equal to the height of the detection surface of the limit switch of the standard limit iron.
Further, the height detection device also comprises a connecting piece, and the height detection component and the installation surface detection component are connected through the connecting piece.
Furthermore, the installation surface detection component further comprises an accessory fixing threaded hole, the accessory fixing threaded hole is formed in the side surface of the installation surface detection component and comprises a first accessory fixing threaded hole and a second accessory fixing threaded hole which are identical in size.
Furthermore, the height detection component further comprises a fixing hole, wherein the fixing hole is formed in the bottom of the height detection component and comprises a first fixing hole and a second fixing hole which are the same in size.
Further, the inner diameters d of the first fixing hole and the second fixing hole2Equal to the outer diameter d of the first accessory fixing threaded hole and the second accessory fixing threaded hole3。
Further, the distance l between the center points of the first fixing hole and the second fixing hole2Equal to the distance l between the center points of the first accessory fixing threaded hole and the second accessory fixing threaded hole3The connecting piece connects and fixes the installation surface detection part and the height detection part through the first accessory fixing threaded hole and the first fixing hole, and the second accessory fixing threaded hole and the second fixing hole respectively.
The variable-pitch limit impact iron size calibration device has the beneficial effects that compared with the prior art, the variable-pitch limit impact iron size calibration device provided by the utility model can be used for rapidly calibrating the sizes of multiple structures such as the radian of the mounting surface, the arc length, the mounting hole, the height of the detection surface of the limit switch, the height of the detection surface of the proximity switch and the like of the variable-pitch limit impact iron to be tested, so that the labor cost and the time cost are saved on the premise of ensuring the accurate calibration of the size of the limit impact iron, the field mounting yield of the limit impact iron is improved, and the operation reliability of a variable-pitch control system is further ensured.
Drawings
FIG. 1 is a schematic overall structure diagram of a variable pitch limit striker size calibration device provided by the utility model;
FIG. 2 is a side view of a mounting surface detection member of the present invention;
FIG. 3 is a top view of a mounting surface detection feature of the present invention;
FIG. 4 is a side view of the overall structure of the variable pitch limit striker size verification device of the present invention;
fig. 5 is a schematic structural view of a height detecting unit according to the present invention.
Detailed Description
The present application is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present application is not limited thereby.
As shown in fig. 1, the utility model provides a schematic view of an overall structure of a device for calibrating a size of a pitch limiting striker. The variable pitch limiting impact iron size checking device comprises an installation surface detection part 1 and a height detection part 2, wherein the height detection part 2 is connected with the installation surface detection part 1, and specifically, the bottom of the height detection part 2 is connected with the side surface of the installation surface detection part 1.
Specifically, as shown in fig. 2, the mounting surface detection part 1 comprises a base 1-1 and a positioning column 1-2, wherein the top surface of the base 1-1 is a concave arc surface, the bottom surface is a horizontal surface, the radian of the concave arc surface is equal to the radian of an outer arc of a mounting surface of a standard limit iron, and the arc length is equal to the arc length of the outer arc of the mounting surface of the standard limit iron. In this embodiment, the bottom surface of the base 1-1 is a rectangular horizontal surface, which can ensure the stability of the placement and calibration process of the calibration device.
Referring to the schematic diagram of fig. 3, the positioning column 1-2 further includes a first positioning column 1-2a and a second positioning column 1-2b, the first positioning column 1-2a and the second positioning column 1-2b are both cylindrical structures and are disposed on the concave arc surface of the base 1-1, the diameters of the first positioning column 1-2a and the second positioning column 1-2b are the same, and the diameter d is the same1The length of the outer diameter of the bolt is equal to the length of the mounting hole of the standard limit iron. The first positioning column 1-2a and the second positioning column 1-2b are used for verifying whether the aperture size of the mounting hole of the limiting iron to be detected is qualified or not, placing the limiting iron to be detected on the concave arc surface of the base 1-1 and detecting a part to be detected in a sliding mode, and observing whether the mounting hole of the limiting iron to be detected can pass through the first positioning column 1-2a and the second positioning column 1-2b or not.
Further, the distance l between the center points of the first positioning column 1-2a and the second positioning column 1-2b1The design center distance of 2 mounting holes of the standard limiting impact iron is equal, and the connecting line of the center points of the first positioning column 1-2a and the second positioning column 1-2b is parallel to the side face of the base 1-1. During detection, if the size of the limit bumper to be detected is correct, the first positioning column 1-2a and the second positioning column 1-2b can be just inserted into 2 mounting holes of the limit bumper to be detected at the same time, and if the size of the limit bumper to be detected is not correct, the distance between the 2 mounting holes of the limit bumper to be detected is incorrect.
Further, as shown in fig. 2, the height of the first positioning column 1-2a and the second positioning column 1-2b is greater than the thickness of the material at the position of the standard limit iron-striking fixing hole, for example, when the thickness of the material at the position of the standard limit iron-striking fixing hole is 10mm, in order to make the height of the positioning column slightly greater than the thickness of the material at the position of the standard limit iron-striking fixing hole, the height of the first positioning column 1-2a and the height of the second positioning column 1-2b can be set to 12mm, which can facilitate the observation of the measurer in the detection process.
Further, referring to the illustration of FIG. 4, the height detecting unit 2 further includes a first height checking scale 2-2 of L-shape and a second height checking scale 2-3 of rectangular shape, wherein the first height checking scale 2-2 is spaced from the top surface of the base 1-1 by a height h1Equal to the upper limit value of the height of the proximity switch detection surface of the standard limit iron, a second height detection scale 2-3 height h from the top surface of the base 1-12Equal to the height of the detection surface of the limit switch of the standard limit iron. Wherein, the upper limit value of the height of the proximity switch detection surface is 1mm greater than the height of the proximity switch detection surface of the standard limit iron.
Preferably, the height detection part 2 is a bent sheet metal part which has the advantages of light weight, high strength and the like.
Referring to the schematic diagram of fig. 1, the variable pitch limit striker size calibration device further comprises a connecting piece 3, and the height detection part 2 is connected with the mounting surface detection part 1 through the connecting piece 3.
Further, as shown in fig. 2, the mounting surface detection component 1 further includes accessory fixing threaded holes 1-3, the accessory fixing threaded holes 1-3 are disposed on the side surface of the mounting surface detection component 1 and include first accessory fixing threaded holes 1-3a and second accessory fixing threaded holes 1-3b, the first accessory fixing threaded holes 1-3a and the second accessory fixing threaded holes 1-3b have the same size, and the outer diameters thereof are d3。
As shown in fig. 5, the height detection part 2 further includes a fixing hole 2-1. Specifically, the fixing hole 2-1 is disposed at the bottom of the height detecting member 2, and further includes a first fixing hole 2-1a and a second fixing hole 2-1b, the first fixing hole 2-1a and the second fixing hole 2-1b have the same size, and the inner diameters thereof are d2。
Wherein the first fixing hole 2-1a and the second fixing hole 2-1b have inner diameters d2Equal to the outer diameter d of the first accessory fixing threaded hole 1-3a and the second accessory fixing threaded hole 1-3b3And the distance l between the center points of the first fixing hole 2-1a and the second fixing hole 2-1b2Equal to the distance l between the center points of the first accessory fixing threaded holes 1-3a and the second accessory fixing threaded holes 1-3b3. The connecting piece 3 can be selected from screws which can respectively connect and fix the mounting surface detection component 1 and the height detection component 2 through the first accessory fixing threaded holes 1-3a and the first fixing holes 2-1a, and the second accessory fixing threaded holes 1-3b and the second fixing holes 2-1b to form an integral device.
In the actual verification, all size parameters of the standard limit iron are known parameters, the size parameters in the variable pitch limit iron size verification device are determined according to the standard limit iron required by a scene, the limit iron to be detected is placed on the variable pitch limit iron size verification device, wherein the mounting surface of the limit iron to be measured is attached to the top surface of the base 1-1 and is used for measuring whether the radian and the arc length of the limit iron meet the standard values, the sizes of the mounting holes of the limit iron to be detected and the distance between the mounting holes are measured through the positioning columns 1-2, the height detection part 2 is used for measuring the height of the limit switch detection surface and the height of the proximity switch detection surface of the limit iron to be detected, the size calibration of the limiting impact iron to be tested can be completed at one time through the variable-pitch limiting impact iron size calibration device, and compared with the prior art, the calibration is simple and accurate, and the calibration time is saved.
The applicant has described and illustrated embodiments of the present invention in detail with reference to the drawings attached hereto, but it should be understood by those skilled in the art that the above embodiments are merely preferred embodiments of the present invention, and the detailed description is only for the purpose of helping the reader to better understand the spirit of the present invention, and not for limiting the scope of the present invention, and on the contrary, any improvement or modification made based on the spirit of the present invention should fall within the scope of the present invention.
Claims (10)
1. The utility model provides a become spacing iron size calibration equipment of oar which characterized in that includes:
the device comprises a mounting surface detection component (1) and a height detection component (2), wherein the height detection component (2) is connected with the mounting surface detection component (1);
the installation surface detection part (1) further comprises a base (1-1) and a positioning column (1-2), and the height detection part (2) further comprises a first height detection scale (2-2) and a second height detection scale (2-3).
2. The variable pitch limit striker size verification device according to claim 1,
the top surface of the base (1-1) is a concave arc surface, the bottom surface is a horizontal plane, the radian of the top surface is equal to the radian of an outer arc of the mounting surface of the standard limiting iron, and the arc length is equal to the arc length of the outer arc of the mounting surface of the standard limiting iron.
3. The variable pitch limit striker size verification device according to claim 1 or 2,
the positioning column (1-2) further comprises a first positioning column (1-2a) and a second positioning column (1-2b), wherein the first positioning column (1-2a) and the second positioning column (1-2b) are both of cylindrical structures and are arranged on the concave arc surface of the base (1-1).
4. The variable pitch limit striker size verification device according to claim 3,
the first positioning column (1-2a) and the second positioning column (1-2b) are both of cylindrical structures and have the same diameter, and the diameter d of the first positioning column (1-2a) and the diameter d of the second positioning column (1-2b)1The length of the outer diameter of the bolt is designed to be equal to the length of the mounting hole of the standard limit iron, and the distance l between the central points of the bolt and the bolt1Equal to the design center distance of 2 mounting holes of the standard limit impact iron.
5. The variable pitch limit striker size verifying device according to claim 1,
the height h of the first height detection scale (2-2) from the top surface of the base (1-1)1Equal to the upper limit value of the height of the detection surface of the proximity switch of the standard limit iron, and the height h of the second height detection scale (2-3) from the top surface of the base (1-1)2Equal to the height of the detection surface of the limit switch of the standard limit iron.
6. The variable pitch limit striker size verification device according to claim 1,
the height detection device is characterized by further comprising a connecting piece (3), wherein the height detection part (2) is connected with the installation surface detection part (1) through the connecting piece (3).
7. The variable pitch limit striker size verification device according to claim 6,
the mounting surface detection component (1) further comprises an accessory fixing threaded hole (1-3), the accessory fixing threaded hole (1-3) is formed in the side surface of the mounting surface detection component (1) and comprises a first accessory fixing threaded hole (1-3a) and a second accessory fixing threaded hole (1-3b) which are identical in size.
8. The variable pitch limit striker size verification device according to claim 6,
the height detection component (2) further comprises a fixing hole (2-1), wherein the fixing hole (2-1) is formed in the bottom of the height detection component (2) and comprises a first fixing hole (2-1a) and a second fixing hole (2-1b) which are the same in size.
9. The variable pitch limit striker size verification device according to claim 8,
the first fixing hole (2-1a) and the second fixing hole (2-1b) have inner diameters d2Is equal to the outer diameter d of the first accessory fixing threaded hole (1-3a) and the second accessory fixing threaded hole (1-3b)3。
10. The variable pitch limit striker size verification device according to claim 9,
the distance l between the center points of the first fixing hole (2-1a) and the second fixing hole (2-1b)2Equal to the distance l between the center points of the first accessory fixing threaded hole (1-3a) and the second accessory fixing threaded hole (1-3b)3And the connecting piece (3) is used for connecting and fixing the mounting surface detection component (1) and the height detection component (2) through the first accessory fixing threaded hole (1-3a) and the first fixing hole (2-1a) and the second accessory fixing threaded hole (1-3b) and the second fixing hole (2-1 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122179310.2U CN216869363U (en) | 2021-09-09 | 2021-09-09 | Variable-pitch limiting bumper size calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122179310.2U CN216869363U (en) | 2021-09-09 | 2021-09-09 | Variable-pitch limiting bumper size calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216869363U true CN216869363U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122179310.2U Active CN216869363U (en) | 2021-09-09 | 2021-09-09 | Variable-pitch limiting bumper size calibration device |
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| Country | Link |
|---|---|
| CN (1) | CN216869363U (en) |
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2021
- 2021-09-09 CN CN202122179310.2U patent/CN216869363U/en active Active
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