CN209877859U - Angle measurement appurtenance that quiet leaf of axial compressor was used - Google Patents
Angle measurement appurtenance that quiet leaf of axial compressor was used Download PDFInfo
- Publication number
- CN209877859U CN209877859U CN201822155923.0U CN201822155923U CN209877859U CN 209877859 U CN209877859 U CN 209877859U CN 201822155923 U CN201822155923 U CN 201822155923U CN 209877859 U CN209877859 U CN 209877859U
- Authority
- CN
- China
- Prior art keywords
- plate
- connecting plate
- fixed
- angle
- rectangular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses an angle measurement appurtenance that axial compressor quiet leaf was used, relate to axial compressor quiet leaf angle measurement technical field, including fixed plate and connecting plate, fixed plate right side edge is fixed with a pivot, connecting plate right side edge is fixed in the pivot, the surface is opened on the connecting plate left side has two screw holes, two screw holes cooperate with an adjusting screw respectively, the connecting plate left side is fixed with the rectangle converting plate through adjusting screw, the rectangle converting plate is perpendicular to the connecting plate, it has two logical grooves to open on the rectangle converting plate, two adjusting screws pass different logical grooves respectively and the position that passes the logical groove is adjustable, rectangle converting plate top is fixed with the measuring block that is in directly over the connecting plate, a side of measuring block is perpendicular to rectangle converting plate bottom surface; the utility model has the advantages of easy operation is convenient and effectively reduce measuring error.
Description
Technical Field
The utility model relates to a quiet leaf angular surveying technical field of axial compressor, more specifically is the angular surveying appurtenance who relates to a quiet leaf of axial compressor was used.
Background
The fully-static blade adjustable axial flow compressor has the advantages of wide adjusting working condition range, high efficiency and the like, and in order to ensure that the axial flow compressor can achieve higher design efficiency in a wider adjusting working condition range during actual operation, the prerequisite condition that the static blade angle is at the design point installation angle during installation must be met. The commonly used method for measuring the angle of the static blade is to use a universal angle ruler (the measuring range is 0-360 degrees), the straight ruler part is jointed with the position of the static blade to be measured, the base ruler part is abutted against auxiliary measuring equipment such as a block gauge or a gradienter and the like positioned on the middle facet of the static blade bearing cylinder, and the measuring error of the dihedral angle caused by the non-parallel of the central line of the static blade and the plane where the measuring tool is positioned due to the installation of the static blade cannot be eliminated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the invention aims to overcome the defects of the background technology, and provides an angle measurement auxiliary tool for a static blade of an axial flow compressor, which can enable angle measurement to be simple and easy, accurately measure different design angles of the static blade in different installation states, particularly ensure the installation angle of the static blade in the design requirement when the static blade is installed, enable the axial flow compressor to be used and operated under the designed static blade regulation rule, and meet different use working condition requirements.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the utility model provides an angle measurement appurtenance that quiet leaf of axial flow compressor was used, including fixed plate and connecting plate, fixed plate right side edge is fixed with a pivot, be fixed with on the connecting plate with the pivot isodiametric bracing piece that is on a parallel with the pivot, connecting plate right side edge is fixed in the pivot, connecting plate left side surface is opened has two screw holes, two screw holes cooperate respectively has an adjusting screw, the connecting plate left side is fixed with the rectangle change-over plate through adjusting screw, rectangle change-over plate perpendicular to connecting plate, it has two logical grooves to open on the rectangle change-over plate, two adjusting screw pass different logical grooves respectively and the position that passes the logical groove is adjustable, rectangle change-over plate top is fixed with the measuring block that is in directly over the connecting plate, a side perpendicular to rectangle change-.
On the basis of the technical scheme, the two through grooves are the same in structure and parallel to each other, the length of each through groove accounts for two thirds of the length of the rectangular conversion plate, the diameter of the nut part of the adjusting screw is larger than the width of each through groove, and the diameter of the thread part of the adjusting screw is 2-4 mm smaller than the width of each through groove.
On the basis of the technical scheme, the bottom surface of the rectangular conversion plate is obliquely arranged, and the angle range between the bottom edge of the rectangular conversion plate and the adjacent corner of the rectangular conversion plate is 50-70 degrees.
On the basis of the technical scheme, the surface of the measuring block, which is positioned right above the connecting plate, is parallel to the bottom surface of the rectangular conversion plate.
On the basis of the technical scheme, the bottom surface of the connecting plate is fixedly provided with a supporting rod which is right opposite to the top surface of the fixing plate, and the supporting rod and the rotating shaft have the same diameter and are parallel to the rotating shaft.
The utility model has the advantages as follows:
1. the utility model discloses novel structure, reasonable in design, place the fixed plate on the excircle of quiet leaf bearing jar, the swivelling joint board comes angle regulation, utilize adjusting screw to adjust the height and the inclination of rectangle change-over plate simultaneously, finally let the bottom surface of rectangle change-over plate fully contact quiet leaf surface, because a side perpendicular to rectangle change-over plate bottom surface and rectangle change-over plate perpendicular to connecting plate of measuring block, rely on these two conversion conditions, can be difficult for the accurate contained angle that converts the quiet leaf angle of measuring to measuring block and connecting plate on, and the measuring block is located directly over the connecting plate, only need contact the connecting plate and another side contact measuring block side with angle ruler one side, can accomplish the measurement, and the operation is simple and convenient, effectively reduce measuring error.
2. The utility model discloses in, lead to the groove width and be greater than adjusting screw thread part diameter, can let the rectangle change-over panel have great inclination control range, the length setting who leads to the groove simultaneously also can let the rectangle change-over panel have great altitude mixture control scope, has improved and has measured application scope, lets whole measurement conversion process more reliable.
3. The utility model discloses in, rectangle converter plate bottom surface slope sets up, just with quiet leaf angle compensation, lets rectangle converter plate bottom surface contact quiet leaf process easier, after the simultaneous measurement piece has certain initial angle, can let the angle of measuring piece measure more easily, and inclination scope is 50 ~ 70, and the inclination of general quiet leaf all is in this within range, further improves and detects experience.
4. The utility model discloses in, the surface that the measuring block is located directly over the connecting plate is parallel with rectangle change-over plate bottom surface to conversion angle has been increased, and conversion angle is vertical angle, need deduct measurement angle with 90 and reachs quiet leaf angle, and a conversion angle is parallel angle, and measurement angle directly is quiet leaf angle, has improved measurement accuracy and reliability.
5. In the utility model, because the installation position of the stator blade to be measured is different and only one measuring reference surface is provided, when measuring the angle of the stator blade at each different position, the connecting plate needs to be manually rotated to ensure that the rectangular conversion plate is vertical to the stator blade to be measured, which can generate a large amount of measuring errors, therefore, the supporting rod is arranged at the bottom surface of the connecting plate, when measuring the stator blade to be measured, the angle between the central line of the stator blade to be measured and the measuring reference surface is obtained according to the installation distribution condition of the stator blade to be measured, then the height of a gauge needs to be increased under the supporting rod can be obtained by utilizing the trigonometric function and the distance between the rotating shaft and the supporting rod on the connecting plate, finally the rectangular conversion plate is vertical to the stator blade to be measured, in a word, the rectangular conversion plate is always vertical to the stator blade to be measured through the rotation of the connecting plate, the measuring errors caused by the unparallel of the, and through placing the block gauge of specific height between bracing piece and fixed plate, eliminated the error of manual rotation adjusting connection board, ensured measurement accuracy, also improved measurement of efficiency greatly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:
FIG. 1 is a front perspective view of the present invention;
fig. 2 is a structural side view of the back of the present invention;
fig. 3 is a side view of the structure of the present invention;
fig. 4 is a front view of the structure of the present invention;
reference numerals:
the measuring device comprises a fixing plate 1, a connecting plate 2, a rotating shaft 3, a threaded hole 4, an adjusting screw 5, a rectangular conversion plate 6, a through groove 7, a measuring block 8 and a supporting rod 9.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
Example 1
As shown in fig. 1 to 4, the present embodiment provides an angle measurement auxiliary tool for a stationary blade of an axial flow compressor, including a fixed plate 1 and a connecting plate 2, a rotating shaft 3 is fixed at a right side edge of the fixed plate 1, a right side edge of the connecting plate 2 is fixed on the rotating shaft 3, two threaded holes 4 are opened on a left side surface of the connecting plate 2, two adjusting screws 5 are respectively matched with the two threaded holes 4, a rectangular conversion plate 6 is fixed on a left side of the connecting plate 2 through the adjusting screws 5, the rectangular conversion plate 6 is perpendicular to the connecting plate 2, two through slots 7 are opened on the rectangular conversion plate 6, the positions of the two adjusting screws 5 respectively passing through the different through slots 7 and passing through the through slots 7 are adjustable, a measuring block 8 is fixed on a top of the rectangular conversion plate 6 and a side surface of the measuring block 8 is perpendicular.
In the embodiment, the fixed plate 1 is placed on the excircle of the stationary blade bearing cylinder, the connecting plate 2 is rotated to adjust the angle, the height and the inclination of the rectangular conversion plate 6 are adjusted by the adjusting screw 5, and finally the bottom surface of the rectangular conversion plate 6 is fully contacted with the surface of the stationary blade, because one side surface of the measuring block 8 is perpendicular to the bottom surface of the rectangular conversion plate 6 and the rectangular conversion plate 6 is perpendicular to the connecting plate 2, the stationary blade angle which is not easy to measure can be accurately converted into the included angle between the measuring block 8 and the connecting plate 2 by virtue of the two conversion conditions, the measuring block 8 is positioned right above the connecting plate 2, only one side of the angle ruler is required to be contacted with the connecting plate 2 and the other side is contacted with the side surface of the measuring block 8, so that the measurement can be completed, the operation is simple and convenient, the measurement error is effectively reduced, and because, the measuring error caused by the fact that the central line of the stator blade is not parallel to the plane where the measuring tool is located due to the fact that the stator blade needs to be installed is eliminated, and measuring accuracy is further improved.
Example 2
As shown in fig. 1 to 4, the present embodiment is further optimized on the basis of embodiment 1, specifically:
the two through grooves 7 are identical in structure and parallel to each other, the length of each through groove 7 accounts for two thirds of the length of the rectangular conversion plate 6, the diameter of the nut part of the adjusting screw 5 is larger than the width of the through groove 7, and the diameter of the thread part of the adjusting screw 5 is 2-4 mm smaller than the width of the through groove 7.
In this embodiment, the width of the through groove 7 is larger than the diameter of the threaded part of the adjusting screw 5, so that the rectangular conversion plate 6 has a larger inclination angle adjusting range, and meanwhile, the length of the through groove 7 is set to allow the rectangular conversion plate 6 to have a larger height adjusting range, so that the measuring application range is improved, and the whole measuring and converting process is more reliable.
Example 3
As shown in fig. 1 to 4, the present embodiment is further optimized on the basis of embodiment 1, specifically:
the bottom surface of the rectangular conversion plate 6 is obliquely arranged, and the angle range of the bottom edge of the rectangular conversion plate 6 and the adjacent angle thereof is 50-70 degrees.
In this embodiment, the bottom surface of the rectangular conversion plate 6 is inclined and arranged, and is just compensated with the angle of the stationary blade, so that the bottom surface of the rectangular conversion plate 6 is easier to contact with the stationary blade, and after the measuring block 8 has a certain initial angle, the angle of the measuring block 8 can be measured more easily, and the inclination angle range is 50-70 degrees, and the inclination angle of the common stationary blade is in the range, so that the detection experience is further improved.
Example 4
As shown in fig. 1 to 4, the present embodiment is further optimized on the basis of embodiment 1, specifically:
the surface of the measuring block 8 directly above the connecting plate 2 is parallel to the bottom surface of the rectangular conversion plate 6.
In this embodiment, the surface of the measuring block 8 directly above the connecting plate 2 is parallel to the bottom surface of the rectangular conversion plate 6, so that the conversion angles are increased, one conversion angle is a vertical angle, the measuring angle needs to be subtracted by 90 degrees to obtain a stationary blade angle, the other conversion angle is a parallel angle, the measuring angle is directly a stationary blade angle, and the measuring accuracy and reliability are improved.
Example 5
As shown in fig. 1 to 4, the present embodiment is further optimized on the basis of embodiment 1, specifically:
and a supporting rod 9 which is just opposite to the top surface of the fixing plate 1 is fixed on the bottom surface of the connecting plate 2, and the supporting rod 9 and the rotating shaft 3 have the same diameter and are parallel to the rotating shaft 3.
In this embodiment, because the installation positions of the stator blades to be measured are different and only one measurement reference surface is provided, when measuring the angles of the stator blades at different positions, the connecting plate 2 needs to be manually rotated to ensure that the rectangular conversion plate 6 is perpendicular to the stator blade to be measured, which causes a large amount of measurement errors, so that the support rod 9 is arranged on the bottom surface of the connecting plate 2, when measuring the stator blade to be measured, the angle between the center line of the stator blade to be measured and the measurement reference surface at this stage is obtained according to the installation distribution of the stator blade to be measured, then the height of the gauge block which needs to be added below the support rod 9 can be obtained by utilizing the trigonometric function and the distance between the rotating shaft 3 and the support rod 9 on the connecting plate 2, and finally the rectangular conversion plate 6 is perpendicular to the stator blade to be measured, in a word, the rectangular conversion plate 6 is always perpendicular to the stator blade to be measured through the rotation of the connecting plate 2, thereby eliminating the measurement errors caused, and through placing the block gauge of specific height between bracing piece 9 and fixed plate 1, eliminated the error of manual rotation adjusting connection board 2, ensured measurement accuracy, also improved measurement of efficiency greatly.
The above is the embodiment of the present invention. The foregoing is the preferred embodiments of the present invention, and if the preferred embodiments in the preferred embodiments are not obviously contradictory or are based on a certain preferred embodiment, the preferred embodiments can be combined and used by any superposition, the specific parameters in the embodiments and examples are only for the purpose of clearly expressing the utility model verification process of the utility model, and are not used for limiting the patent protection scope of the present invention, the patent protection scope of the present invention is still based on the claims, and all the equivalent structural changes made by the contents of the specification and the drawings of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An angle measurement auxiliary tool for a stationary blade of an axial flow compressor is characterized by comprising a fixed plate (1) and a connecting plate (2), wherein a rotating shaft (3) is fixed at the edge of the right side of the fixed plate (1), the edge of the right side of the connecting plate (2) is fixed on the rotating shaft (3), two threaded holes (4) are formed in the surface of the left side of the connecting plate (2), an adjusting screw (5) is respectively matched with the two threaded holes (4), a rectangular conversion plate (6) is fixed at the left side of the connecting plate (2) through the adjusting screw (5), the rectangular conversion plate (6) is perpendicular to the connecting plate (2), two through grooves (7) are formed in the rectangular conversion plate (6), the two adjusting screws (5) respectively penetrate through different through grooves (7) and can adjust the position of the through grooves (7), a measuring block (8) positioned right above the connecting plate (2) is fixed at the top of, one side surface of the measuring block (8) is vertical to the bottom surface of the rectangular conversion plate (6).
2. The auxiliary angle measuring tool for the stationary blade of the axial flow compressor as claimed in claim 1, wherein said two through slots (7) are identical in structure and parallel to each other, the length of the through slots (7) occupies two thirds of the length of the rectangular switching plate (6), the diameter of the nut portion of the adjusting screw (5) is larger than the width of the through slots (7), and the diameter of the thread portion of the adjusting screw (5) is 2mm to 4mm smaller than the width of the through slots (7).
3. The auxiliary angle measuring tool for the stationary blade of the axial flow compressor as claimed in claim 1, wherein the bottom side of the rectangular converting plate (6) is disposed obliquely, and the angle between the bottom side of the rectangular converting plate (6) and the adjacent corner ranges from 50 ° to 70 °.
4. The auxiliary tool for angular measurement of a stator blade of an axial flow compressor according to claim 1, characterized in that the surface of the measuring block (8) directly above the connecting plate (2) is parallel to the bottom surface of the rectangular transition plate (6).
5. The auxiliary angle measuring tool for the stator blade of the axial flow compressor as claimed in claim 1, wherein the bottom surface of the connecting plate (2) is fixed with a support rod (9) facing the top surface of the fixed plate (1), and the support rod (9) has the same diameter as the rotating shaft (3) and is parallel to the rotating shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822155923.0U CN209877859U (en) | 2018-12-21 | 2018-12-21 | Angle measurement appurtenance that quiet leaf of axial compressor was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822155923.0U CN209877859U (en) | 2018-12-21 | 2018-12-21 | Angle measurement appurtenance that quiet leaf of axial compressor was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209877859U true CN209877859U (en) | 2019-12-31 |
Family
ID=68945995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822155923.0U Active CN209877859U (en) | 2018-12-21 | 2018-12-21 | Angle measurement appurtenance that quiet leaf of axial compressor was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209877859U (en) |
-
2018
- 2018-12-21 CN CN201822155923.0U patent/CN209877859U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2863219A1 (en) | Large t-square protractor for use in construction | |
| CN208398849U (en) | A kind of cracking rudder face degree of bias measuring device based on gravity | |
| CN108868166B (en) | Common inclination angle zero component installation positioning ruler in steel structure and use method | |
| CN209877859U (en) | Angle measurement appurtenance that quiet leaf of axial compressor was used | |
| CN203704842U (en) | A blade installation angle detection tool | |
| CN207751400U (en) | A kind of vernier caliper | |
| CN216827001U (en) | Device for assisting in adjusting width of coating pole piece of lithium ion battery | |
| CN205404340U (en) | Water droplet angle testing arrangement | |
| CN104713455B (en) | Blade angle degree detection instrument | |
| CN201819677U (en) | Detecting platform capable of adjusting angle | |
| CN105352415A (en) | Simple 360-degree angle measuring tool and using method thereof | |
| CN112097720A (en) | Detection apparatus for tapering and tip diameter of cone part | |
| CN202119424U (en) | Measure platform capable of rotating 360 DEGs | |
| CN209189115U (en) | A kind of precision dimple coating blade device | |
| CN205317140U (en) | 360 simple and easy angle measuring tool | |
| CN218511648U (en) | Oil tank cap detection tool | |
| CN207571295U (en) | Corner reflecting device | |
| CN205228415U (en) | Hammering block iron levelling device | |
| CN215413559U (en) | Flat sliding door angle test fixture | |
| CN221457164U (en) | Folding ruler | |
| CN216432739U (en) | Digital display carpenter angle square | |
| CN210604517U (en) | Lead folding device for acoustic emission technology | |
| CN2462349Y (en) | Tool for measuring and testing radius and angle of external circular arc | |
| CN221349927U (en) | Building straightness detection device that hangs down | |
| CN216012040U (en) | Height measuring tool for compressor rotor blade |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |