CN205940354U - A assistant measuring instrument that is used for blade lateral margin board circular arc size of giving vent to anger - Google Patents
A assistant measuring instrument that is used for blade lateral margin board circular arc size of giving vent to anger Download PDFInfo
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- CN205940354U CN205940354U CN201620934475.2U CN201620934475U CN205940354U CN 205940354 U CN205940354 U CN 205940354U CN 201620934475 U CN201620934475 U CN 201620934475U CN 205940354 U CN205940354 U CN 205940354U
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- 208000010727 head pressing Diseases 0.000 claims description 58
- 239000000725 suspension Substances 0.000 claims description 11
- 238000005259 measurement Methods 0.000 abstract description 9
- 238000012545 processing Methods 0.000 abstract description 4
- 208000004141 microcephaly Diseases 0.000 abstract 3
- 238000009434 installation Methods 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000003754 machining Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A assistant measuring instrument that is used for blade lateral margin board circular arc size of giving vent to anger belongs to guide blade processing measuring tool field. The guide blade adds the problem that lacks locating assisting tool man -hour at present. A assistant measuring instrument that is used for blade lateral margin board circular arc size of giving vent to anger, one end installation two major part compact heap (2), the other ends of bottom plate (1) upper surface pass through locating piece (4) installation microcephaly's compact heap (5), install cylindric lock (3) between microcephaly's compact heap (5) and two major part compact heap (2), and lifting bolt (6) are still installed respectively to locating piece (4) both sides, the open spacing chamber that forms between every major part compact heap (2) and bottom plate (1) upper surface, and the opening in the open spacing chamber of formation is relative between microcephaly's compact heap (5) and locating piece (4) upper surface. The utility model discloses each single blade machining precision is guaranteed along board ruler cun and position to circular arc that can the accurate measurement guide blade to put forward high pressure heater work efficiency rate.
Description
Technical Field
The utility model relates to an auxiliary measuring instrument that is used for blade to give vent to anger lateral margin board circular arc size.
Background
The large head and the small head of the small and medium-sized guide vane have various forms, wherein one guide vane is of a twin or triplet structure, the gas inlet and outlet sides of the large head and the small head of the vane are both composed of circular arc edge plates, and the edge plates are processed and then used as the reference during assembly, so that the size requirement is strict. The big end and the small end of the guide vane are rhombic. The radial size of the inner back of each blade is larger, the size of the circular arc edge plate is also wider, if the processing of the circle center and the radius of the circular arc edge plate is inaccurate, the deviation of each blade is very large, and the assembly precision and the pitch size are directly influenced. The arc size and the circle center position of a single blade edge plate are required to be accurate, and the problem of excessive trimming allowance during assembly is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the prior guide vane processing lacks an auxiliary positioning tool, and providing an auxiliary measuring tool for the arc size of the air outlet side edge plate of the vane.
An auxiliary measuring tool for measuring the arc size of a gas outlet side edge plate of a blade comprises: the lifting bolt comprises a base plate, two large-head pressing blocks, a cylindrical pin, a positioning block, a small-head pressing block and two lifting bolts, wherein the two large-head pressing blocks are arranged at one end of the upper surface of the base plate side by side, the small-head pressing block is arranged at the other end of the upper surface of the base plate through the positioning block, the cylindrical pin is arranged between the small-head pressing block and the two large-head pressing blocks, and the lifting bolts are arranged on two sides of the positioning block; wherein,
the cross section of the large-head pressing block is L-shaped, one side of the large-head pressing block vertically abuts against the upper surface of the base plate, the suspension edge of the large-head pressing block is parallel to the upper surface of the base plate, an open limiting cavity is formed between the large-head pressing block and the upper surface of the base plate, a stud is vertically inserted into the suspension edge of the large-head pressing block, the bottom end of the stud is screwed in the base plate, and the upper end of the stud is screwed with a hexagon nut; wherein, a positioning pin is arranged on the upper surface of the bottom plate at the opening of the limit cavity;
the cross section of the small-head pressing block is L-shaped, one side of the small-head pressing block vertically abuts against the upper surface of the positioning block, the suspension edge of the small-head pressing block is parallel to the upper surface of the positioning block, an open limiting cavity is formed between the small-head pressing block and the upper surface of the positioning block, another stud is vertically inserted into the suspension edge of the small-head pressing block, the bottom end of the stud is screwed into the positioning block, and the upper end of the stud is screwed with another hexagon nut; wherein, the positioning block is arranged on the bottom plate through an inner hexagonal socket head cap screw (12);
an open limiting cavity is formed between each large-head pressing block and the upper surface of the base plate and is opposite to an opening of the open limiting cavity formed between each small-head pressing block and the upper surface of the positioning block.
The utility model has the advantages that:
the utility model discloses a carry out business turn over gas side flange circular arc size and the measuring tool of position to the completion blade, can guarantee the design requirement and the technological requirement of blade. The problems of overlarge radial size of the blade and over-tolerance of the size of the circular arc are solved. The utility model provides a lateral margin plate circular arc measuring tool gives vent to anger can accurate measurement lead blade's circular arc marginal plate size and position, guarantees the uniformity of each single blade processing simultaneously, guarantees compound precision, raises the efficiency.
The specific implementation method is to design the air outlet side edge plate arc measuring tool, and the measuring tool consists of a bottom plate, two pressing blocks, a cylindrical pin, a hexagon nut, a stud, an inner hexagon socket head cap screw, a positioning block and two lifting ring screws, as shown in the attached drawing 1. The radial direction of the blade is positioned by the highest point of the back arc of a certain section of the steam passage, the length direction is positioned by the arc of the steam inlet edge plate, the big end air inlet measurement in the steam inlet and outlet side direction is placed on the bottom plate for main positioning, the small end air inlet measurement is positioned by the positioning block, and the positioning block cushions the blade to ensure that the central line of the blade is kept horizontal. After the position of the blade on the measuring tool is adjusted, the big and small heads of the blade are pressed by the pressing plate, so that the blade is prevented from moving. The dimensional tolerance between the positioning pin on the bottom plate and the two positioning surfaces of the end surface and the side surface is controlled within 0.02 mm. During measurement, the air inlet side of the finished blade is placed on a base plate of the measuring tool, the positioning circular arc of the air inlet measuring flange plate slides along the two positioning pins, the positioning pins are placed in circular arc grooves of the air inlet measuring large head flange plate and are tightly attached to the cylindrical pin, meanwhile, the small head air inlet measuring block is lapped on the small head positioning block, the blade is pushed along the radial direction of the inner back, the blade is simultaneously attached to the back arc positioning pin, and the blade is fixed by the pressing plate after being adjusted. The fixed blade is placed on a rocking gauge as shown in fig. 2. The positioning end face and the side face of the air outlet side edge plate arc measuring tool are leaned against the swing measuring tool and are matched with the swing measuring tool for use, and the swing arm and the dial indicator of the swing measuring tool are utilized to measure the size R and the center of the blade air outlet side edge plate arc.
The utility model discloses the uniformity requirement when can realizing the blade measurement has the advantage that the location is accurate, the location process is simple simultaneously, guarantees the measuring accuracy. And the blade is very convenient and fast to assemble and disassemble, so that the detection efficiency of the blade and the accuracy of measured data are improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a structure of a using state related to the working principle of the present invention;
Detailed Description
The first embodiment is as follows:
the auxiliary measuring tool for the circular arc size of the air outlet side edge plate of the blade in the embodiment is combined with fig. 1, and comprises the following components: the lifting device comprises a base plate 1, two large-head pressing blocks 2, two cylindrical pins 3, a positioning block 4, a small-head pressing block 5 and lifting screws 6, wherein the two large-head pressing blocks 2 are arranged at one end of the upper surface of the base plate 1 side by side, the small-head pressing block 5 is arranged at the other end of the upper surface of the base plate through the positioning block 4, the cylindrical pins 3 are arranged between the small-head pressing block 5 and the two large-head pressing blocks 2, the lifting screws 6 are respectively arranged at two sides of the positioning block 4, and the lifting and carrying of the whole device are carried out by utilizing; wherein,
the cross section of the large-head pressing block 2 is L-shaped, one side of the large-head pressing block 2 vertically abuts against the upper surface of the base plate 1, the suspension edge of the large-head pressing block 2 is parallel to the upper surface of the base plate 1, an open limiting cavity is formed between the large-head pressing block 2 and the upper surface of the base plate 1, a stud 7 is vertically inserted on the suspension edge of the large-head pressing block 2, the bottom end of the stud 7 is screwed in the base plate 1, and the upper end of the stud 7 is screwed with a hexagon nut 8; wherein, a positioning pin 9 is arranged on the upper surface of the bottom plate 1 at the opening of the limiting cavity;
the cross section of the small-head pressing block 5 is L-shaped, one edge of the small-head pressing block 5 vertically abuts against the upper surface of the positioning block 4, the suspension edge of the small-head pressing block 5 is parallel to the upper surface of the positioning block 4, an open limiting cavity is formed between the small-head pressing block 5 and the upper surface of the positioning block 4, a stud 7 is vertically inserted on the suspension edge of the small-head pressing block 5, the bottom end of the stud 7 is screwed in the positioning block 4, and the upper end of the stud 7 is screwed with a hexagon nut 8; wherein, the positioning block 4 is arranged on the bottom plate 1 through an inner hexagonal socket head cap screw (12);
an open limiting cavity is formed between each large-head pressing block 2 and the upper surface of the base plate 1 and is opposite to an opening forming the open limiting cavity between each small-head pressing block 5 and the upper surface of the positioning block 4.
Meanwhile, the method has the advantages of accurate positioning and simple positioning process, and the accuracy of measurement is ensured. And the blade is very convenient and fast to assemble and disassemble, so that the detection efficiency of the blade and the accuracy of measured data are improved.
The second embodiment is as follows:
different from the first specific embodiment, in the auxiliary measuring tool for the circular arc size of the vane air outlet side edge plate of the present embodiment, the elastic pad 10 is disposed at the end of the overhanging edge of the large-head pressing block 2, on the side facing the limiting cavity.
The third concrete implementation mode:
different from the first or second specific embodiments, in the auxiliary measuring tool for the arc size of the blade air outlet side edge plate of the first embodiment, the hanging edge of the large-head pressing block 2 is provided with a through waist-shaped hole 11, and the stud 7 is inserted into the waist-shaped hole 11.
The fourth concrete implementation mode:
different from the third specific embodiment, in the auxiliary measuring tool for the arc size of the air outlet side edge plate of the vane in the third specific embodiment, the elastic pad 10 is arranged at the tail end of the overhanging edge of the small-head pressing block 5 on the surface facing the limiting cavity.
The fifth concrete implementation mode:
different from the first, second or fourth specific embodiments, in the auxiliary measuring tool for the arc size of the air outlet side edge plate of the vane in the present embodiment, a through waist-shaped hole 11 is arranged on the suspended edge of the small-head pressing block 5, and the stud 7 is inserted into the waist-shaped hole 11.
The sixth specific implementation mode:
different from the fifth embodiment, in the auxiliary measuring tool for measuring the arc size of the outlet skirt plate of the vane in the present embodiment, the upper surface of the positioning block 4 has a descending two-step extending from the opening of the limiting cavity to the cavity.
The working principle is as follows:
the radial direction of the blade is positioned by the highest point of the back arc of a certain section of the steam passage, the length direction is positioned by the arc of the steam inlet edge plate, the big end air inlet measurement in the steam inlet and outlet side direction is mainly positioned on the bottom plate, the small end air inlet side is positioned by the positioning block 4, and the positioning block 4 pads up the blade to ensure that the central line of the blade is kept horizontal. After the position of the blade on the measuring tool is adjusted, the big and small heads of the blade are pressed by the pressing plate, so that the blade is prevented from moving. The dimensional tolerance between the positioning pin 9 on the bottom plate 1 and the two positioning surfaces of the end surface and the side surface is controlled within 0.02 mm. During measurement, the air inlet side of the finished blade is placed on a bottom plate of the measuring tool, the positioning circular arc of the edge plate of the air inlet side slides along the two positioning pins 9, so that the positioning pins are placed in circular arc grooves of the large-end edge plate of the air inlet side and are tightly leaned against the cylindrical pin 3, meanwhile, the small-end air inlet side is lapped on the small-end positioning block 4, the blade is pushed along the radial direction of the inner back, the blade is leaned against the back arc positioning pin 9, and the blade is fixed by a pressing plate after being adjusted. The fixed blade is placed on the rocking gauge as shown in fig. 2, in which the blade is shown in phantom. The positioning end face and the side face of the air outlet side edge plate arc measuring tool are leaned against the swing measuring tool and are matched with the swing measuring tool for use, and the swing arm of the swing measuring tool and the dial indicator 13 are utilized to measure the size R and the center of the blade air outlet side edge plate arc.
The present invention is capable of other embodiments, and various modifications and changes can be made by those skilled in the art without departing from the spirit and essence of the present invention, and these modifications and changes are intended to fall within the scope of the appended claims.
Claims (6)
1. An auxiliary measuring tool for measuring the arc size of a gas outlet side edge plate of a blade comprises: bottom plate (1), two major part compact heap (2), cylindric lock (3), locating piece (4), little head compact heap (5) and two eyebolt (6), its characterized in that: two large-head pressing blocks (2) are arranged side by side at one end of the upper surface of the base plate (1), a small-head pressing block (5) is arranged at the other end of the upper surface of the base plate through a positioning block (4), a cylindrical pin (3) is arranged between the small-head pressing block (5) and the two large-head pressing blocks (2), and lifting bolts (6) are respectively arranged on two sides of the positioning block (4); wherein,
the cross section of the large-head pressing block (2) is L-shaped, one side of the large-head pressing block (2) vertically abuts against the upper surface of the base plate (1), the hanging edge of the large-head pressing block (2) is parallel to the upper surface of the base plate (1), an open limiting cavity is formed between the large-head pressing block (2) and the upper surface of the base plate (1), a stud (7) is vertically inserted on the hanging edge of the large-head pressing block (2), the bottom end of the stud (7) is screwed in the base plate (1), and the upper end of the stud (7) is screwed with a hexagon nut (8); wherein, a positioning pin (9) is arranged on the upper surface of the bottom plate (1) at the opening of the limiting cavity;
the cross section of the small-head pressing block (5) is L-shaped, one side of the small-head pressing block (5) vertically abuts against the upper surface of the positioning block (4), the hanging edge of the small-head pressing block (5) is parallel to the upper surface of the positioning block (4), an open limiting cavity is formed between the small-head pressing block (5) and the upper surface of the positioning block (4), another stud (7) is vertically inserted on the hanging edge of the small-head pressing block (5), the bottom end of the stud (7) is screwed in the positioning block (4), and the upper end of the stud (7) is screwed with another hexagon nut (8); the positioning block (4) is arranged on the bottom plate (1) through an inner hexagonal socket head cap screw (12);
an open limiting cavity is formed between each large-head pressing block (2) and the upper surface of the base plate (1), and is opposite to an opening which forms the open limiting cavity between each small-head pressing block (5) and the upper surface of the positioning block (4).
2. The auxiliary measuring tool for the arc size of the outlet skirt plate of the blade of claim 1, wherein: and an elastic pad (10) is arranged at the tail end of the suspension edge of the big-end pressing block (2) on one surface facing the limiting cavity.
3. The auxiliary measuring tool for the arc size of the outlet skirt plate of the vane as claimed in claim 1 or 2, wherein: and a through waist-shaped hole (11) is formed in the suspension edge of the big-end pressing block (2), and a double-end stud (7) is inserted in the waist-shaped hole (11).
4. The auxiliary measuring tool for the arc size of the outlet skirt plate of the blade of claim 3, wherein: and an elastic pad (10) is arranged at the tail end of the suspension edge of the small-head pressing block (5) on one surface facing the limiting cavity.
5. The auxiliary measuring tool for the arc size of the outlet skirt plate of the vane as claimed in claim 1, 2 or 4, wherein: the hanging edge of the small-head pressing block (5) is provided with a through waist-shaped hole (11), and a double-end stud (7) is inserted in the waist-shaped hole (11).
6. The auxiliary measuring tool for the arc size of the outlet skirt plate of the blade of claim 5, wherein: the upper surface of the positioning block (4) is provided with a descending secondary step extending from the opening of the limiting cavity to the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620934475.2U CN205940354U (en) | 2016-08-24 | 2016-08-24 | A assistant measuring instrument that is used for blade lateral margin board circular arc size of giving vent to anger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620934475.2U CN205940354U (en) | 2016-08-24 | 2016-08-24 | A assistant measuring instrument that is used for blade lateral margin board circular arc size of giving vent to anger |
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| Publication Number | Publication Date |
|---|---|
| CN205940354U true CN205940354U (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620934475.2U Active CN205940354U (en) | 2016-08-24 | 2016-08-24 | A assistant measuring instrument that is used for blade lateral margin board circular arc size of giving vent to anger |
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| CN (1) | CN205940354U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981525A (en) * | 2018-05-30 | 2018-12-11 | 中国航发动力股份有限公司 | A kind of measuring system of engine guide vane front and rear edge position |
| CN110360910A (en) * | 2019-07-29 | 2019-10-22 | 无锡市艾尔福叶片有限公司 | Medium-and-large-sized stator blade overall length measuring tool and its measurement method |
| CN112179238A (en) * | 2020-09-29 | 2021-01-05 | 中国航发动力股份有限公司 | Device and method for measuring end face position of blade body of rectifying blade |
-
2016
- 2016-08-24 CN CN201620934475.2U patent/CN205940354U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981525A (en) * | 2018-05-30 | 2018-12-11 | 中国航发动力股份有限公司 | A kind of measuring system of engine guide vane front and rear edge position |
| CN110360910A (en) * | 2019-07-29 | 2019-10-22 | 无锡市艾尔福叶片有限公司 | Medium-and-large-sized stator blade overall length measuring tool and its measurement method |
| CN110360910B (en) * | 2019-07-29 | 2024-05-10 | 无锡市艾尔福叶片有限公司 | Medium-and-large-sized stator blade total length measuring tool and measuring method thereof |
| CN112179238A (en) * | 2020-09-29 | 2021-01-05 | 中国航发动力股份有限公司 | Device and method for measuring end face position of blade body of rectifying blade |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |