CN215676824U - Sliding type blade overall length measuring tool - Google Patents
Sliding type blade overall length measuring tool Download PDFInfo
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- CN215676824U CN215676824U CN202121473154.4U CN202121473154U CN215676824U CN 215676824 U CN215676824 U CN 215676824U CN 202121473154 U CN202121473154 U CN 202121473154U CN 215676824 U CN215676824 U CN 215676824U
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Abstract
The utility model provides a sliding type blade total length measuring tool which comprises a sliding measuring assembly and a fixed base assembly, wherein the fixed base assembly is provided with the sliding measuring assembly; one side of the bottom end of a conical surface half-angle sample plate of the sliding measuring assembly is fixed on the arc measuring sliding block, a first sliding sample plate fixing block and a second sliding sample plate fixing block are respectively installed on the vertical two sides of the conical surface half-angle sample plate, and the first sliding sample plate fixing block, the conical surface half-angle sample plate and the second sliding sample plate fixing block are fixed through inner hexagonal cylindrical head screws; the arc measuring slide block is provided with a first cylindrical cambered surface close to the vertical side of the conical surface half-angle sample plate, and the first cylindrical cambered surface is closely attached to a second cylindrical cambered surface of the fixed base component for movement. The utility model has light weight, less material consumption and low cost; the angle of the conical surface and the deviation of the arc surface are easier and more intuitive to detect; the processing and detection are simple.
Description
Technical Field
The utility model mainly relates to the field of distance measurement, in particular to a sliding type blade total length measuring tool.
Background
The general measurement of the total length of the blade in the past is to compare arc blocks which are the same as arc surfaces of the big end and the small end of the blade at two ends of a measuring tool and detect the shape and the fitting condition between the arc surfaces at the two ends of the blade and the comparison blocks. The principle of the design comes from the state that the blades are assembled on the partition plate, the partition plate is an equidistant cambered ring, the blades are assembled on the partition plate, namely the end surfaces of the small ends of the blades are attached to the cambered surface of the inner ring of the partition plate, and the end surfaces of the large ends of the blades are attached to the cambered surface of the outer ring of the partition plate. Therefore, the blade total length measuring tool is designed into a small partition plate which is used for comparing the cambered surfaces of the inner ring and the outer ring of the blade with a comparison block and ensures that the comparison block is as if the blade is cut into pieces.
The old comparison block of the measuring tool is a whole iron block, and particularly the comparison block of the big head of the big blade is very big and heavy, so the measuring tool is very big and heavy, and the measuring tool material is very big and the cost is very high. The detection is the comparison between the blade cambered surface and the comparison block cambered surface, belongs to the detection between surfaces, and is difficult to see specific regions which are inconsistent, the larger the area is, the more difficult the area is, and the middle region of the cambered surface cannot be seen at all due to edge shielding, so that the great difficulty is brought to the detection and the coping.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks of the prior art, the present invention provides a sliding blade overall length measuring tool, which includes a sliding measuring assembly and a fixed base assembly on which the sliding measuring assembly is mounted, wherein the sliding measuring assembly rotates on the fixed base assembly along a rotation axis;
the sliding measurement assembly comprises an arc measurement sliding block 1, a first sliding sample plate fixing block 2, a second sliding sample plate fixing block 4 and a conical surface half-angle sample plate 3, one side of the bottom end of the conical surface half-angle sample plate 3 is fixed on the arc measurement sliding block 1, the first sliding sample plate fixing block 2 and the second sliding sample plate fixing block 4 are respectively installed on the two vertical sides of the conical surface half-angle sample plate 3, and the first sliding sample plate fixing block 2, the conical surface half-angle sample plate 3 and the second sliding sample plate fixing block 4 are fixed through inner hexagonal cylindrical head screws 5;
the arc measuring slide block 1 is positioned below the first sliding sample plate fixing block 2 and the second sliding sample plate fixing block 4, a first cylindrical arc surface 9 is arranged on the vertical side surface, close to the conical surface half-angle sample plate 3, of the arc measuring slide block 1, and the first cylindrical arc surface 9 is in close fit movement with a second cylindrical arc surface 10 of the fixed base assembly;
the conical surface half angle sample plate 3 is in a right-angle trapezoid shape, and a double-sided chamfer is arranged at the inclined surface end of the conical surface half angle sample plate 3.
Preferably, one end of the conical surface half-angle sample plate 3 close to the arc measuring slide block 1 is provided with a vertical clamping pin 31, a clamping pin groove 11 is formed in the arc measuring slide block 1 corresponding to the clamping pin 31, and the clamping pin 31 is inserted into the clamping pin groove 11 in interference fit.
Preferably, one end of the first sliding sample plate fixing block 2 and one end of the second sliding sample plate fixing block 4 are arranged above the arc measuring sliding block 1 and are fixed through hexagon socket head cap screws 5.
Preferably, the fixed base assembly comprises a sliding assembly arc base 6 and a total length measuring tool bottom plate 8, and the sliding assembly arc base 6 is fixed on the total length measuring tool bottom plate 8 through an inner hexagonal socket head cap screw 5.
Preferably, the base plate 8 of the overall length measuring device is further provided with a plurality of cylindrical pins 7, and one of the plurality of cylindrical pins 7 is arranged corresponding to the positioning groove 61 of the arc base 6 of the sliding assembly.
Preferably, one end of the sliding component arc base 6, which is close to the arc measurement sliding block 1, is provided with a second cylindrical arc surface 10, the radius of the first cylindrical arc surface 9 is the same as that of the second cylindrical arc surface 10, the arc center lines of the first cylindrical arc surface 9 and the second cylindrical arc surface 10 coincide, and the arc center line is a rotating shaft.
Preferably, the distance between the two-sided chamfers is 0.5-1 mm.
The utility model has the beneficial effects that:
1. the weight is light, the material consumption is less, and the cost is low;
2. the detection of the conical cambered surface adopts the comparison between lines and surfaces, so that the angle and the gap at any position of the blade big end cambered surface can be conveniently checked at any time, the angle and the cambered surface deviation of the conical surface can be more easily and more intuitively detected, and the processing adjustment and the local grinding of the blade big end conical cambered surface are more effective;
3. compared with the old conical surface comparison block, the novel measuring tool needs numerical control machining and three-coordinate detection, and the novel measuring tool is simple and convenient to machine and detect.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a state diagram of the present invention in use;
FIG. 4 is a prior art block diagram;
in the figure, the position of the upper end of the main shaft,
1. the arc measuring slide block 11 and the clamping foot groove; 2. a first sliding sample plate fixing block; 3. a conical surface half angle sample plate 31 and a clamping pin; 4. a second sliding sample plate fixing block; 5. a socket head cap screw; 6. a sliding component arc base 61 and a positioning groove; 7. a cylindrical pin; 8. a total length measuring tool bottom plate; 9. a first cylindrical arc surface; 10. a second cylindrical arc surface.
Detailed Description
In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the utility model only and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 3, the present invention includes: a sliding measurement assembly and a fixed base assembly mounting the sliding measurement assembly, the sliding measurement assembly rotating on the fixed base assembly along a rotation axis;
the sliding measurement assembly comprises an arc measurement sliding block 1, a first sliding sample plate fixing block 2, a second sliding sample plate fixing block 4 and a conical surface half-angle sample plate 3, one side of the bottom end of the conical surface half-angle sample plate 3 is fixed on the arc measurement sliding block 1, the first sliding sample plate fixing block 2 and the second sliding sample plate fixing block 4 are respectively installed on the two vertical sides of the conical surface half-angle sample plate 3, and the first sliding sample plate fixing block 2, the conical surface half-angle sample plate 3 and the second sliding sample plate fixing block 4 are fixed through inner hexagonal cylindrical head screws 5;
the arc measuring slide block 1 is positioned below the first sliding sample plate fixing block 2 and the second sliding sample plate fixing block 4, a first cylindrical arc surface 9 is arranged on the vertical side surface, close to the conical surface half-angle sample plate 3, of the arc measuring slide block 1, and the first cylindrical arc surface 9 is in close fit movement with a second cylindrical arc surface 10 of the fixed base assembly;
the conical surface half angle sample plate 3 is in a right-angle trapezoid shape, and a double-sided chamfer is arranged at the inclined surface end of the conical surface half angle sample plate 3.
In this embodiment, it is preferable that a vertical clamping leg 31 is provided at one end of the conical surface half-angle template 3 close to the arc measurement slider 1, a clamping leg groove 11 is provided on the arc measurement slider 1 corresponding to the clamping leg 31, and the clamping leg 31 is inserted into the clamping leg groove 11 for interference fit.
In this embodiment, preferably, one end of the first sliding template fixing block 2 and one end of the second sliding template fixing block 4 are arranged above the arc measuring slide block 1 and are fixed through hexagon socket head cap screws 5.
The structure ensures that the first sliding sample plate fixing block, the second sliding sample plate fixing block, the conical surface half-angle sample plate and the arc measuring slide block are fixed in front and move consistently during measurement, and further a high-precision measuring result can be obtained.
In this embodiment, the fixed base assembly preferably includes a sliding assembly arc base 6 and a total length measuring tool bottom plate 8, and the sliding assembly arc base 6 is fixed on the total length measuring tool bottom plate 8 through an inner hexagonal socket head cap screw 5.
In this embodiment, preferably, a plurality of cylindrical pins 7 are further mounted on the total length measuring tool bottom plate 8, and one of the plurality of cylindrical pins 7 is disposed corresponding to the positioning groove 61 of the arc base 6 of the sliding assembly.
By means of the structure, the sliding assembly arc base is convenient to mount on the overall length measuring tool base plate, the cylindrical pin is utilized to play a role in quick positioning, and efficiency during mounting is guaranteed.
In this implementation, preferably, one end of the sliding component arc base 6 close to the arc measurement slider 1 is provided with a second cylindrical arc surface 10, a radius of the first cylindrical arc surface 9 is the same as a radius of the second cylindrical arc surface 10, arc center lines of the first cylindrical arc surface 9 and the second cylindrical arc surface 10 are overlapped, and the arc center line is a rotating shaft.
In the present embodiment, the distance between the double-sided chamfers is preferably 0.5-1 mm.
By adopting the structure, the angle measuring part of the conical surface half-angle sample plate is subjected to double-sided chamfering treatment, generally 0.5-1mm is reserved, and the smaller the width is, the closer the width is to a line.
In use, novel overall length measuring tool keeps and has retrencied little first measuring block, has carried out fundamental improvement to blade big first measuring block, and the design theory is rotatory around the rotation axis according to the theory of essentials that the conical surface formed-generating line, and the rotatory face of formation is exactly the conical surface, and is specific:
the radius of the cylindrical cambered surface of the arc measuring slide block 1 is the same as that of the cylindrical cambered surface of the sliding component arc base 6, and the arc center lines of the arc measuring slide block and the sliding component arc base are also the same as a rotating shaft in the figure; the cylinder cambered surface of the arc measuring slide block 1 closely contacts the cylinder cambered surface of the arc base 6 of the sliding assembly to move, so that the whole sliding measuring assembly rotates around the rotating shaft, the angle measuring part of the conical surface half-angle sample plate 3 is equivalent to the rotating motion of a bus around the rotating shaft, and the track of the sample plate forms a conical surface.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (7)
1. The sliding type blade overall length measuring tool is characterized by comprising a sliding measuring assembly and a fixed base assembly, wherein the fixed base assembly is provided with the sliding measuring assembly, and the sliding measuring assembly rotates on the fixed base assembly along a rotating shaft;
the sliding measurement assembly comprises an arc measurement sliding block (1), a first sliding sample plate fixing block (2), a second sliding sample plate fixing block (4) and a conical surface half-angle sample plate (3), one side of the bottom end of the conical surface half-angle sample plate (3) is fixed on the arc measurement sliding block (1), the first sliding sample plate fixing block (2) and the second sliding sample plate fixing block (4) are respectively installed on the vertical two sides of the conical surface half-angle sample plate (3), and the first sliding sample plate fixing block (2), the conical surface half-angle sample plate (3) and the second sliding sample plate fixing block (4) are fixed through inner hexagonal cylindrical head screws (5);
the arc measuring slide block (1) is positioned below the first sliding sample plate fixing block (2) and the second sliding sample plate fixing block (4), a first cylindrical arc surface (9) is arranged on the vertical side surface, close to the conical surface half-angle sample plate (3), of the arc measuring slide block (1), and the first cylindrical arc surface (9) is tightly attached to a second cylindrical arc surface (10) of the fixed base assembly to move;
the conical surface half-angle sample plate (3) is in a right-angle trapezoid shape, and a double-sided chamfer is arranged at the inclined surface end of the conical surface half-angle sample plate (3).
2. The sliding vane overall length gauge according to claim 1, wherein: one end, close to the arc measuring sliding block (1), of the conical surface half-angle sample plate (3) is provided with a vertical clamping pin (31), a clamping pin groove (11) is formed in the arc measuring sliding block (1) corresponding to the clamping pin (31), and the clamping pin (31) is inserted into the clamping pin groove (11) in an interference fit mode.
3. The sliding vane overall length gauge according to claim 2, wherein: one end of the first sliding sample plate fixing block (2) and one end of the second sliding sample plate fixing block (4) are arranged above the arc measuring sliding block (1) and are fixed through the hexagon socket head cap screws (5).
4. The sliding vane overall length gauge according to claim 3, wherein: the fixed base assembly comprises a sliding assembly arc base (6) and a total length measuring tool bottom plate (8), and the sliding assembly arc base (6) is fixed on the total length measuring tool bottom plate (8) through an inner hexagonal socket head cap screw (5).
5. The sliding vane overall length gauge according to claim 4, wherein: the total length measuring tool bottom plate (8) is further provided with a plurality of cylindrical pins (7), and one of the plurality of cylindrical pins (7) is arranged corresponding to the positioning groove (61) of the sliding assembly arc base (6).
6. The sliding vane overall length gauge according to claim 5, wherein: one end, close to the arc measuring sliding block (1), of the sliding component arc base (6) is provided with a second cylinder arc surface (10), the radius of the first cylinder arc surface (9) is the same as that of the second cylinder arc surface (10), the arc center lines of the first cylinder arc surface (9) and the second cylinder arc surface (10) coincide, and the arc center lines are rotating shafts.
7. The sliding vane overall length gauge of claim 6, wherein: the distance between the two-sided chamfers is 0.5-1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121473154.4U CN215676824U (en) | 2021-06-30 | 2021-06-30 | Sliding type blade overall length measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121473154.4U CN215676824U (en) | 2021-06-30 | 2021-06-30 | Sliding type blade overall length measuring tool |
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| Publication Number | Publication Date |
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| CN215676824U true CN215676824U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121473154.4U Active CN215676824U (en) | 2021-06-30 | 2021-06-30 | Sliding type blade overall length measuring tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115143860A (en) * | 2022-06-22 | 2022-10-04 | 中国航发贵州黎阳航空动力有限公司 | Fan blade tip arc measuring tool and method |
-
2021
- 2021-06-30 CN CN202121473154.4U patent/CN215676824U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115143860A (en) * | 2022-06-22 | 2022-10-04 | 中国航发贵州黎阳航空动力有限公司 | Fan blade tip arc measuring tool and method |
| CN115143860B (en) * | 2022-06-22 | 2023-03-14 | 中国航发贵州黎阳航空动力有限公司 | Fan blade tip arc measuring tool and method |
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