CN218822233U - Size measuring tool for impeller top wheel cover of steam centrifugal compressor impeller - Google Patents
Size measuring tool for impeller top wheel cover of steam centrifugal compressor impeller Download PDFInfo
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- CN218822233U CN218822233U CN202222691438.1U CN202222691438U CN218822233U CN 218822233 U CN218822233 U CN 218822233U CN 202222691438 U CN202222691438 U CN 202222691438U CN 218822233 U CN218822233 U CN 218822233U
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- centrifugal compressor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model relates to a measuring tool's location structural design and application technical field, in particular to steam centrifugal compressor impeller top wheel lid size measurement instrument, it has solved steam centrifugal compressor impeller top wheel lid size detection problem with high costs and detect inconvenience. The size measuring tool for the impeller top wheel cover of the steam centrifugal compressor comprises a molded line measuring plate, wherein a measuring molded surface capable of being used for measuring the size of the impeller top cover is arranged on one side of the molded line measuring plate, and a positioning assembly used for setting the molded line measuring plate on an impeller is arranged on the molded line measuring plate. The method and the device have the advantages that the size of the impeller top wheel cover of the steam centrifugal compressor is detected quickly and accurately, and the cost is low.
Description
Technical Field
The utility model relates to a measuring tool's location structural design and application technical field, in particular to steam centrifugal compressor impeller top wheel lid size measurement instrument.
Background
With the increasing requirements of energy conservation and emission reduction in China, the proportion of the steam centrifugal compressor in daily economy and production activities is gradually increased, the requirements of industries such as chemical industry and the like are gradually increased, and the importance of the steam centrifugal compressor is more and more prominent. The impeller is a core component of steam centrifugal compressor equipment, the impeller needs to finish the detection of the size before production, manufacture, warehousing inspection and assembly, the size of the blade top of the impeller is the key size directly determining the performance of the steam centrifugal compressor, the size of the blade top of the existing impeller basically adopts a three-coordinate detection method, and the detection method has high precision, long consumed time, extremely low efficiency and higher detection cost. Therefore, how to rapidly and accurately detect the size of the blade top of the steam compressor impeller is very important.
The invention discloses a method for detecting an airfoil of a nuclear main pump impeller, and relates to a method for detecting an airfoil of a nuclear main pump impeller. The three-dimensional design model of the impeller is led into PolyWorks software, a positioning relation is established with a coordinate system of a portable three-coordinate measuring machine measuring instrument, the portable three-coordinate measuring machine measuring instrument is used for collecting surface molded line forming point coordinate data of the blade, the PolyWorks software collects molded line forming point values and corresponding point deviation values of the three-dimensional model of the impeller, the angle deviation of molded lines at the inlet and the outlet of the impeller can be calculated, and meanwhile, the angle deviation of blade distances between adjacent blades is obtained through calculation.
The prior art has the disadvantages of complex operation, relatively low detection efficiency and high cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided a steam centrifugal compressor impeller blade top wheel cap size measuring tool easy operation and with low costs in the aspect of the impeller detects.
In order to realize innovation, the purpose of the utility model can be realized by the following technical scheme: the utility model provides a steam centrifugal compressor impeller blade top wheel cover size measuring tool, includes the molded lines and measures the board, molded lines measure board one side and be equipped with the measurement profile that can be used for measuring impeller top cover size, the molded lines measure and be equipped with on the board and be used for measuring the molded lines and measure the locating component of board setting on the impeller.
The molded line measuring plate is arranged on the impeller through the positioning assembly and can rotate, and the measuring molded surface on one side of the molded line measuring plate can be matched with the impeller to realize the measurement of the size of the top cover of the impeller.
In the above size measuring tool for the impeller top wheel cover of the steam centrifugal compressor, the positioning assembly includes a T-shaped positioning rod which is inserted into the central hole of the impeller and can rotate in the circumferential direction, and the T-shaped positioning rod is connected with the molded line measuring plate.
The T-shaped positioning rod is inserted in the central hole of the impeller and can freely rotate in the circumferential direction, and meanwhile, the molded line measuring plate connected with the T-shaped positioning rod is driven to rotate in the circumferential direction by taking the central hole of the impeller as the axis.
In the above-mentioned size measuring tool for the impeller blade top wheel cover of the steam centrifugal compressor, the T-shaped positioning rod is connected with the molded line measuring plate through a detachable structure.
The T-shaped positioning rod is connected with the molded line measuring plate through a detachable structure, so that the molded line measuring plate can be replaced conveniently to measure the sizes of the impeller top covers with different sizes.
In the above size measuring tool for the impeller blade top wheel cover of the steam centrifugal compressor, the detachable structure comprises a positioning seat arranged on a T-shaped positioning rod, at least one fixing hole penetrating through the positioning seat is formed in the positioning seat in a penetrating mode, the molded line measuring plate is connected with the positioning seat through a T-shaped stud, and the T-shaped stud penetrates through the molded line measuring plate and is fixed with the fixing hole through a butterfly nut.
The T-shaped positioning rod is provided with a positioning seat as a carrier for connecting the molded line measuring plate, the positioning seat is provided with a fixing hole for fixing, the molded line measuring plate and the fixing hole are penetrated through by a T-shaped stud, and then the T-shaped stud is locked by a butterfly nut to realize fixing, the butterfly nut is convenient to unscrew by hand, and the molded line measuring plate is convenient to replace, assemble and disassemble.
In the above size measuring tool for the impeller blade top wheel cover of the steam centrifugal compressor, a gasket is arranged between the butterfly nut and the molded line measuring plate.
The surface of the molded line measuring plate can be prevented from being scratched by the nut due to the arrangement of the gasket, and meanwhile, the contact area is increased to disperse the pressure.
In the above size measuring tool for the impeller top wheel cover of the steam centrifugal compressor, two fixing holes penetrating through the positioning seat are arranged on the positioning seat in a penetrating manner, and the fixing holes are symmetrically arranged along the center of the T-shaped positioning rod.
Two fixed orificess can give sufficient structural strength after fixed, prevent to rotate, and the fixed orifices sets up along T shape locating lever centrosymmetry and measures the board phase-match with the molded lines, and the location is more accurate, reduces measuring error.
In the size measuring tool for the impeller blade top wheel cover of the steam centrifugal compressor, the molded line measuring plate is connected with the positioning seat through the strip-shaped extension plate, the strip-shaped extension plate and the molded line measuring plate are connected into a whole, and the T-shaped stud penetrates through the strip-shaped extension plate.
The strip-shaped extension plate is an integral part of the molded line measuring plate, and the T-shaped stud penetrates through the strip-shaped extension plate to be connected with the positioning seat in a detachable mode.
In the above size measuring tool for the impeller top shroud of the steam centrifugal compressor, a abdicating hole is arranged between the strip-shaped extension plate and the molded line measuring plate.
The hole of stepping down can avoid producing unnecessary interference and influence the rotation.
In the above-mentioned size measuring tool for the impeller tip shroud of the steam centrifugal compressor, at least one through hole is formed through the molded line measuring plate.
The through holes can achieve the effects of weight reduction and material saving, and the molded line measuring plate is convenient to take.
In the above tool for measuring the size of the impeller top shroud of the steam centrifugal compressor, the measuring profile is arc-shaped.
The measuring profile is arc-shaped and can be matched with the impeller to achieve the measuring effect.
Compared with the prior art, the method has the advantages that,
1. the molded line measuring plate of the steam centrifugal compressor impeller top wheel cover size measuring tool is arranged on an impeller through the positioning assembly and can rotate, the measuring molded surface on one side of the molded line measuring plate can be matched with the impeller to realize the measurement of the size of the impeller top cover, the operation is simple, the measurement is convenient, and the cost is low.
The 2.T-shaped positioning rod is inserted in the central hole of the impeller and can freely rotate in the circumferential direction, and simultaneously drives the molded line measuring plate connected with the T-shaped positioning rod to rotate in the circumferential direction by taking the central hole of the impeller as the axis
And 3, the T-shaped positioning rod is connected with the profile measuring plate in a detachable structure, so that the profile measuring plate can be conveniently replaced to measure the sizes of the impeller top covers with different sizes.
4. The molded line measuring plate and the fixing hole are arranged in a penetrating mode through the T-shaped stud, and then the butterfly nut is locked to achieve fixing, is convenient to unscrew by hand, and is convenient to replace and assemble and disassemble the molded line measuring plate.
5. The setting of packing ring can prevent that the surface of profile line measurement board from receiving the nut grazing, also has the effect of increase area of contact with dispersed pressure simultaneously.
6. Two fixed orificess can give sufficient structural strength after fixed, prevent to rotate, and the fixed orifices sets up along T shape locating lever central symmetry and measures the board phase-match with the molded lines, and the location is more accurate, reduces measuring error.
7. The through holes can achieve the effects of weight reduction and material saving, and the molded line measuring plate is convenient to take.
Drawings
FIG. 1 is a schematic view of a dimension measuring tool for a top wheel cover of an impeller blade of a steam centrifugal compressor according to the present invention cooperating with the impeller;
fig. 2 is a schematic top view of the tool for measuring the dimension of the impeller top shroud of the steam centrifugal compressor of the present invention.
In the figure, the molded line measuring plate 1, the measuring molded surface 11, the strip-shaped extension plate 12, the abdicating hole 13, the through hole 14, the positioning component 2, the T-shaped positioning rod 21, the lower end surface 211, the detachable structure 3, the positioning seat 31, the fixing hole 311, the T-shaped stud 32, the butterfly nut 33, the washer 34, the impeller 4 and the impeller reference end surface 41.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Fig. 1-2 show that the tool for measuring the size of the impeller top cover of the steam centrifugal compressor comprises a molded line measuring plate 1, a measuring molded surface 11 capable of being used for measuring the size of the impeller top cover is arranged on one side of the molded line measuring plate 1, and a positioning assembly 2 used for arranging the molded line measuring plate 1 on an impeller 4 is arranged on the molded line measuring plate 1.
Specifically, the molded line measuring plate 1 of the scheme is arranged on the impeller 4 through the positioning component 2 and can rotate freely, and the measuring molded surface 11 on one side of the molded line measuring plate can be matched with the impeller 4 to realize measurement of the size of the top cover of the impeller.
As shown in fig. 1, the positioning assembly 2 includes a T-shaped positioning rod 21 inserted in a central hole of the impeller 4 and capable of rotating in the circumferential direction, the T-shaped positioning rod 21 is connected to the profile measuring plate 1 through a detachable structure 3, the detachable structure 3 includes a positioning seat 31 disposed on the T-shaped positioning rod 21, two fixing holes 311 penetrating through the positioning seat 31 are disposed on the positioning seat 31, the fixing holes 311 are symmetrically disposed along the center of the T-shaped positioning rod 21, the profile measuring plate 1 is connected to the positioning seat 31 through a T-shaped stud 32, the T-shaped stud 32 penetrates through the profile measuring plate 1 and is fixed to the fixing hole 311 through a butterfly nut 33, and a gasket 34 is disposed between the butterfly nut 33 and the profile measuring plate 1.
Specifically, a positioning cylindrical surface of the T-shaped positioning rod 21 is in small clearance fit with a reference hole of the impeller 4, an end surface of the T-shaped positioning rod is attached to an impeller reference end surface 41, the T-shaped positioning rod is inserted into a central hole of the impeller 4 and can freely rotate in the circumferential direction, meanwhile, the molded line measuring plate 1 detachably connected to the T-shaped positioning rod 21 is driven to rotate in the circumferential direction by taking the central hole of the impeller 4 as an axis, the detachable structure 3 is convenient to replace, the molded line measuring plate 1 can be assembled and disassembled to measure the sizes of impeller top covers with different sizes, the positioning seat 31 serving as a carrier for connecting the molded line measuring plate 1 is arranged on the T-shaped positioning rod 21, two fixing holes 311 are arranged on the positioning seat 31 for specific fixation, sufficient structural strength is achieved after fixation, rotation can be prevented, and the fixing holes 311 are symmetrically arranged along the center of the T-shaped positioning rod 21 and are matched with the molded line measuring plate 1, so that positioning is more accurate and measurement errors are reduced. The specific fixing mode is that the molded line measuring plate 1 and the fixing hole 311 are arranged in a penetrating mode through the T-shaped stud 32 and then locked through the butterfly nut 33 to realize fixing, the butterfly nut 33 is convenient to unscrew by hands and replace and assemble the molded line measuring plate 1, the gasket 34 is arranged behind the butterfly nut 33 to prevent the surface of the molded line measuring plate 1 from being scratched by the nut, and meanwhile, the effect of increasing the contact area to disperse pressure is achieved.
Preferably, the line measuring plate 1 is connected with the positioning seat 31 through a strip-shaped extension plate 12, the strip-shaped extension plate 12 is connected with the line measuring plate 1 into a whole, and the T-shaped stud 32 is arranged on the strip-shaped extension plate 12 in a penetrating manner.
In other words, the strip-shaped extension plate 12 is an integral part of the profile measuring plate 1, and the T-shaped stud 32 is inserted into the strip-shaped extension plate 12 to detachably connect the profile measuring plate 1 and the positioning seat 31.
Optimally, a abdicating hole 13 is arranged between the strip-shaped extension plate 12 and the molded line measuring plate 1, and the abdicating hole 13 can avoid generating unnecessary interference to influence rotation
Optimally, at least one through hole 14 penetrates through the molded line measuring plate 1, so that the effects of weight reduction and material saving can be realized, and the molded line measuring plate 1 is convenient to take
Optimally, the measuring profile 11 is arc-shaped and can be matched with the impeller 4 to achieve the measuring function.
The specific working principle is as follows: a user selects a proper profile measuring plate 1 according to the size of an impeller 4 to be measured, aligns the through hole 14 of the profile measuring plate 1 with the fixing hole 311, penetrates the through hole 14 and the fixing hole 311 through the T-shaped stud 32, sleeves the gasket 34 at the threaded end, screws up and screws up the butterfly nut 33 to complete fixing, inserts the T-shaped positioning rod 21 into the central hole of the impeller 4 until the lower end face 211 of the T-shaped positioning rod 21 is attached to the impeller reference end face 41 to complete installation, rotates the profile measuring plate 1 to start related dimension measurement of the top cover of the impeller 4, and screws down the butterfly nut 33 to replace the profile measuring plate 1 when the profile measuring plate 1 needs to be replaced.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a steam centrifugal compressor impeller blade top wheel lid size measuring tool, its characterized in that includes molded lines and measures board (1), molded lines measure board (1) one side be equipped with and can be used for measuring impeller top wheel size measure profile (11), molded lines measure board (1) on be equipped with and be used for measuring molded lines and measure locating component (2) that board (1) set up on impeller (4).
2. The steam centrifugal compressor impeller blade top wheel cover size measuring tool as recited in claim 1, characterized in that the positioning assembly (2) comprises a T-shaped positioning rod (21) which is inserted in a central hole of the impeller (4) and can rotate in the circumferential direction, and the T-shaped positioning rod (21) is connected with the molded line measuring plate (1).
3. The tool for measuring the dimension of the impeller head shroud of the steam centrifugal compressor according to claim 2, characterized in that the T-shaped locating rod (21) is connected with the profile measuring plate (1) through a detachable structure (3).
4. The steam centrifugal compressor impeller blade top wheel cover size measuring tool according to claim 3, characterized in that the detachable structure (3) comprises a positioning seat (31) arranged on a T-shaped positioning rod (21), at least one fixing hole (311) penetrating through the positioning seat (31) is formed in the positioning seat (31), the profile measuring plate (1) is connected with the positioning seat (31) through a T-shaped stud (32), and the T-shaped stud (32) penetrates through the profile measuring plate (1) and is fixed with the fixing hole (311) through a butterfly nut (33).
5. The tool for measuring the dimension of the impeller tip shroud of the steam centrifugal compressor according to claim 4, characterized in that a washer (34) is arranged between the butterfly nut (33) and the profile measuring plate (1).
6. The tool for measuring the dimension of the impeller head shroud of the steam centrifugal compressor according to claim 4, wherein two fixing holes (311) penetrating through the positioning seat (31) are formed in the positioning seat (31), and the fixing holes (311) are arranged along the center of the T-shaped positioning rod (21) in a symmetrical manner.
7. The tool for measuring the dimension of the impeller head shroud of the steam centrifugal compressor as claimed in claim 4, wherein the molded line measuring plate (1) is connected with the positioning seat (31) through a strip-shaped extension plate (12), the strip-shaped extension plate (12) is connected with the molded line measuring plate (1) into a whole, and the T-shaped stud (32) is arranged on the strip-shaped extension plate (12) in a penetrating manner.
8. The tool for measuring the dimension of the top shroud of the impeller of the steam centrifugal compressor according to claim 7, characterized in that a relief hole (13) is arranged between the strip-shaped extension plate (12) and the profile measuring plate (1).
9. Tool for sizing the tip shroud of the impeller of a centrifugal compressor for steam, according to any one of claims 1 to 8, characterised in that said profiled gauging plate (1) has at least one through hole (14) passing through it.
10. Tool for the dimensional measurement of the tip shroud of a steam centrifugal compressor impeller according to any one of claims 1 to 8, characterised in that the measuring profile (11) is curved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222691438.1U CN218822233U (en) | 2022-10-10 | 2022-10-10 | Size measuring tool for impeller top wheel cover of steam centrifugal compressor impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222691438.1U CN218822233U (en) | 2022-10-10 | 2022-10-10 | Size measuring tool for impeller top wheel cover of steam centrifugal compressor impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218822233U true CN218822233U (en) | 2023-04-07 |
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ID=87266456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222691438.1U Active CN218822233U (en) | 2022-10-10 | 2022-10-10 | Size measuring tool for impeller top wheel cover of steam centrifugal compressor impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218822233U (en) |
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2022
- 2022-10-10 CN CN202222691438.1U patent/CN218822233U/en active Active
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