CN219675062U - Triaxial measuring device for rectangular array of blades - Google Patents
Triaxial measuring device for rectangular array of blades Download PDFInfo
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- CN219675062U CN219675062U CN202321110246.5U CN202321110246U CN219675062U CN 219675062 U CN219675062 U CN 219675062U CN 202321110246 U CN202321110246 U CN 202321110246U CN 219675062 U CN219675062 U CN 219675062U
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- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000005259 measurement Methods 0.000 claims abstract description 20
- 239000000523 sample Substances 0.000 claims abstract description 17
- 238000003491 array Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of measuring devices, in particular to a rectangular array triaxial measuring device for blades, which comprises a machine body; the measuring head mechanism is arranged on the machine body; the clamping mechanism is arranged on the machine body; a measurement and control system; the measuring head mechanism comprises a plurality of three-coordinate measuring heads, wherein the three-coordinate measuring heads are distributed in a rectangular array, and annular probes are fixedly arranged at the bottoms of the three-coordinate measuring heads. Through setting up gauge head mechanism, and have the three-dimensional gauge head that is rectangular array and distribute in the gauge head mechanism, can carry out rectangular array to the group blade and detect, break through the difficult problem that present detection efficiency is difficult to improve for check out test set's structure is compacter, and area is littleer, and the measurement of the whole profile of blade can be realized in the design of annular probe in addition, has reduced the measuring error that traditional probe passes through the transform measurement of angle and bring.
Description
Technical Field
The utility model relates to the technical field of measuring devices, in particular to a rectangular array triaxial measuring device for blades.
Background
In an aeroengine, turbine blades are listed as the first key piece due to being in the most temperature, most stress complex, and most environmentally damaging location. The performance level of the turbine blade is an important indicator for determining the degree of engine advancement. Engine blades are typically inspected using a three-dimensional measuring machine before and after machining to determine if the actual surface profile of the blade machining is within a design specified tolerance.
However, current three-coordinate measuring machines typically have only one lateral head, and only a single piece can be measured at a time. The size of the blade is usually far smaller than the stroke size of the measuring machine, so that a large number of measuring machines are required to be configured for measuring the blade by adopting the single-measuring-head measuring machine, the investment cost is high, the occupied area of the measuring equipment is large, the occupied area of the measuring equipment even exceeds that of the processing equipment, and a large number of operators are required at the same time, so that the production and processing cost of the blade is remarkably increased. In view of this, we propose a rectangular array of blades triaxial measuring device.
Disclosure of Invention
The utility model aims to provide a three-axis measuring device for a rectangular array of blades, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a three-axis measuring device of a rectangular array of blades comprises a machine body;
the measuring head mechanism is arranged on the machine body;
the clamping mechanism is arranged on the machine body;
a measurement and control system;
the measuring head mechanism comprises a plurality of three-coordinate measuring heads, wherein the three-coordinate measuring heads are distributed in a rectangular array, and annular probes are fixedly arranged at the bottoms of the three-coordinate measuring heads.
Further, the measuring head mechanism further comprises a connecting plate, and the bottom of the connecting plate is connected with the three-coordinate measuring head through a measuring head fine-tuning assembly.
Further, the gauge head fine tuning assembly comprises an adjusting frame, the adjusting frame is fixedly arranged at the bottom of the connecting plate, the adjusting frame is sleeved outside the three-coordinate gauge head, an adjusting screw is fixedly arranged on the surface of the three-coordinate gauge head, and one end, far away from the three-coordinate gauge head, of the adjusting screw penetrates through the adjusting frame and is in threaded connection with a locking nut.
Further, the number of the adjusting screws is four, and the four adjusting screws are respectively positioned on four side surfaces of the three-coordinate measuring head.
Further, the machine body is slidably provided with a servo, and the output end of the electric push rod is fixedly connected with the top of the connecting plate.
Further, the clamping mechanism comprises a positioning base, the positioning base is fixedly arranged on the machine body, a positioning tray is fixedly arranged at the top of the positioning base, and a clamping assembly is fixedly arranged at the top of the positioning tray.
Further, the clamping assembly is a pneumatic 3R clamp.
By means of the technical scheme, the utility model provides the three-axis measuring device for the rectangular array of the blades. The beneficial effects are that: through setting up gauge head mechanism, and have the three-dimensional gauge head that is rectangular array and distribute in the gauge head mechanism, can carry out rectangular array to the group blade and detect, break through the difficult problem that present detection efficiency is difficult to improve for check out test set's structure is compacter, and area is littleer, and the measurement of the whole profile of blade can be realized in the design of annular probe in addition, has reduced the measuring error that traditional probe passes through the transform measurement of angle and bring.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model, illustrate and together with the description serve to explain a part of the utility model:
FIG. 1 is an isometric view of the overall structure of the present utility model;
FIG. 2 is a front view of a gauge head mechanism according to the present utility model;
FIG. 3 is a bottom view of the gauge head mechanism of the present utility model;
FIG. 4 is a front view of an annular probe according to the present utility model;
FIG. 5 is a front view of the clamping mechanism of the present utility model;
fig. 6 is an isometric view of a clamping assembly of the present utility model.
In the figure: 1. a body; 2. a gauge head mechanism; 21. a connecting plate; 22. a three-coordinate measuring head; 23. a ring probe; 24. an adjusting frame; 25. adjusting a screw; 26. a lock nut; 3. clamping mechanism; 31. positioning a base; 32. positioning a tray; 33. a clamping assembly; 34. a chuck; 35. a blade body; 4. and a measurement and control system.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 6, the present utility model provides a technical solution:
a three-axis measuring device of a rectangular array of blades comprises a machine body 1, wherein the machine body 1 is a three-coordinate measuring machine body;
the rectangular array measuring head mechanism 2, the measuring head mechanism 2 is arranged on the machine body 1;
the rectangular array rapid clamping mechanism 3 is arranged on the machine body 1, and the clamping mechanism 3 is arranged on the machine body;
and the measurement and control system 4 is electrically connected with the rectangular array measuring head mechanism 2, and a four-channel data acquisition system is arranged in the measurement and control system 4, so that a plurality of array measuring head data can be independently acquired and analyzed.
When the measuring head mechanism is used, the blade body 35 is arranged on the rectangular array rapid clamping mechanism 3, the clamping mechanism 3 clamps and limits the blade body 35, then the measuring head mechanism 2 is started, the measuring head on the measuring head mechanism 2 and the blade body 35 are in contact measurement, and measuring head data are collected and analyzed through the measuring and control system 4.
In some embodiments, the gauge head mechanism 2 includes a connecting plate 21, the connecting plate 21 is fixed on a Z-direction moving mechanism on the machine body 1 through a screw, so that the gauge head mechanism 2 can move up and down, a three-coordinate gauge head 22 is arranged at the bottom of the connecting plate 21 through a gauge head fine adjustment assembly, the main body of the three-coordinate gauge head 22 is a detection sensor, the number of the three-coordinate gauge heads 22 is a plurality, the three-coordinate gauge heads 22 are distributed in a rectangular array, so as to improve the measurement efficiency, an annular probe 23 is fixedly arranged at the bottom of the three-coordinate gauge head 22, and the annular probe 23 is used for measuring with a blade.
The fine tuning assembly of the probe in this embodiment is used for precise alignment of the three-coordinate probe 22 with the measuring station. Specifically, the measuring head fine adjustment assembly comprises an adjusting frame 24, wherein the adjusting frame 24 is fixedly arranged on the connecting plate
21, the adjusting frame 24 is square frame body, and the top of three-dimensional gauge head 22 is square connecting block, and the outside at three-dimensional gauge head 22 is established to the adjusting frame 24 cover, and has the clearance between the inner wall of adjusting frame 24 and the surface of three-dimensional gauge head 22, is convenient for finely tune three-dimensional gauge head 22's position, all fixed mounting has adjusting screw 25 on four sides of three-dimensional gauge head 22, and four adjusting screw 25 keep away from three-dimensional gauge head 22's one end all runs through adjusting frame 24 and threaded connection has lock nut 26.
In some embodiments, the X, Y, Z directional moving mechanism on the machine body 1 is driven by a servo motor, the cross beam and the Z axis are installed on the machine body 1, so that triaxial movement can be realized, the output end of the Z axis is fixedly connected with the top of the connecting plate 21, and the up-and-down movement of the output end of the Z axis and the cross beam drive the Z axis to move back and forth and left and right, so that the measuring head mechanism 2 can be driven to realize triaxial movement, and the annular probe 23 and the blade can be subjected to contact measurement.
In some embodiments, the clamping mechanism 3 includes a positioning base 31, the positioning base 31 is a four-head zero-point positioning fixture, the positioning base 31 is fixedly mounted on a working table of the machine body 1 through screws, a zero-point positioning tray 32 is fixedly mounted on the top of the positioning base 31 through blind bolts, a clamping assembly 33 is fixedly mounted on the top of the zero-point positioning tray 32, and the number of the clamping assemblies 33 is the same as that of the three-coordinate measuring heads 22.
The clamping assembly 33 in this embodiment is a pneumatic 3R clamp, the pneumatic 3R clamp is fixed on the zero-point positioning tray 32 by a screw, the pneumatic 3R clamp is provided with a blade clamp 34, the blade clamp 34 is provided with a 3R positioning piece and a 3R pneumatic blind rivet, and the blade body 35 is clamped and fixed on the blade clamp 34.
When the three-axis measuring device for the rectangular array of the blades is used, the groups of blade bodies 35 are fixed on the blade clamps 34 in the pneumatic 3R clamp, and the angle direction between the two groups of blade bodies 35 is noted during installation, so that the consistency is maintained and the three-axis measuring device is locked. The three-way feeding shaft of the three-coordinate measuring machine body 1 moves to the position right above the blade body 35 according to the section line track of the theoretical model, then a measuring program is started, the cross beam and the Z shaft of the machine body 1 move according to the set theoretical track, so that the connecting plate 21 is driven to move according to the set theoretical track, the connecting plate 21 drives the measuring head fine-tuning component and the three-coordinate measuring head 22 to move according to the set theoretical track, the annular surface bus of the annular probe 23 is in contact with the blade body 35, the annular probe 23 is preloaded by 0.05-0.1mm, negative errors can not be measured, and the difference value between the blade body 35 and the theoretical model is detected by the plurality of annular probes 23 in real time and is fed back to the measuring and controlling system 4 independently. The measurement and control system 4 collects and calculates the collected data to generate a detection report. In this way, rectangular array measurement of the blade body 35 can be achieved, improving the measurement efficiency. When the three-coordinate measuring head 22 and the measuring station need to be coaxially adjusted, the lock nut 26 is loosened, and then the four-direction adjusting screw 25 is adjusted to realize the rapid adjustment of the position of the three-coordinate measuring head 22.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A rectangular array of blades triaxial measurement device, comprising:
a machine body (1);
the measuring head mechanism (2) is arranged on the machine body (1);
the clamping mechanism (3) is arranged on the machine body (1);
a measurement and control system (4);
the measuring head mechanism (2) comprises three-coordinate measuring heads (22), the number of the three-coordinate measuring heads (22) is multiple, the three-coordinate measuring heads (22) are distributed in a rectangular array, and annular probes (23) are fixedly arranged at the bottoms of the three-coordinate measuring heads (22).
2. The blade rectangular array triaxial measurement device according to claim 1, characterized in that the gauge head mechanism (2) further comprises a connecting plate (21), and the bottom of the connecting plate (21) is connected with a three-coordinate gauge head (22) through a gauge head fine adjustment assembly.
3. The blade rectangular array triaxial measurement device according to claim 2, wherein the measuring head fine adjustment assembly comprises an adjustment frame (24), the adjustment frame (24) is fixedly installed at the bottom of the connecting plate (21), the adjustment frame (24) is sleeved outside the three-coordinate measuring head (22), an adjustment screw (25) is fixedly installed on the surface of the three-coordinate measuring head (22), and one end, far away from the three-coordinate measuring head (22), of the adjustment screw (25) penetrates through the adjustment frame (24) and is in threaded connection with a locking nut (26).
4. A blade rectangular array triaxial measuring device according to claim 3, characterised in that the number of adjustment screws (25) is four, the four adjustment screws (25) being located on four sides of the three-coordinate measuring head (22) respectively.
5. The three-axis measuring device of the rectangular array of blades according to claim 2, wherein the machine body (1) is slidably provided with an electric push rod, and the output end of the electric push rod is fixedly connected with the top of the connecting plate (21).
6. The three-axis measuring device for rectangular arrays of blades according to claim 1, wherein the clamping mechanism (3) comprises a positioning base (31), the positioning base (31) is fixedly installed on the machine body (1), a positioning tray (32) is fixedly installed at the top of the positioning base (31), and a clamping assembly (33) is fixedly installed at the top of the positioning tray (32).
7. The blade rectangular array triaxial measurement device according to claim 6, characterized in that the clamping assembly (33) is a pneumatic 3R clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321110246.5U CN219675062U (en) | 2023-05-10 | 2023-05-10 | Triaxial measuring device for rectangular array of blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321110246.5U CN219675062U (en) | 2023-05-10 | 2023-05-10 | Triaxial measuring device for rectangular array of blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219675062U true CN219675062U (en) | 2023-09-12 |
Family
ID=87924106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321110246.5U Active CN219675062U (en) | 2023-05-10 | 2023-05-10 | Triaxial measuring device for rectangular array of blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219675062U (en) |
-
2023
- 2023-05-10 CN CN202321110246.5U patent/CN219675062U/en active Active
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