CN116839810A - Automatic measuring system for mass moment of engine blade and blade assembling method - Google Patents
Automatic measuring system for mass moment of engine blade and blade assembling method Download PDFInfo
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- CN116839810A CN116839810A CN202311101474.0A CN202311101474A CN116839810A CN 116839810 A CN116839810 A CN 116839810A CN 202311101474 A CN202311101474 A CN 202311101474A CN 116839810 A CN116839810 A CN 116839810A
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- 238000003860 storage Methods 0.000 claims abstract description 71
- 238000012360 testing method Methods 0.000 claims abstract description 59
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 230000000007 visual effect Effects 0.000 claims abstract description 18
- 238000012546 transfer Methods 0.000 claims abstract description 15
- 238000005259 measurement Methods 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 3
- 238000012163 sequencing technique Methods 0.000 abstract description 7
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/14—Determining unbalance
- G01M1/16—Determining unbalance by oscillating or rotating the body to be tested
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/02—Details of balancing machines or devices
Abstract
The invention discloses an automatic measuring system for the mass moment of an engine blade, which comprises a mass moment testing device, a transmission line and a visual detection assembly, wherein the visual detection assembly is arranged outside the transmission line and used for identifying blade information, a six-axis transfer robot assembly is further arranged between the transmission line and the mass moment testing device, a blade temporary storage table is arranged on one side of the six-axis transfer robot assembly, and a blade storage box body is arranged on the blade temporary storage table. And sequencing the blades of the whole engine according to the mass moment by dynamically measuring the mass moment information of all the blades and finishing the whole engine. Meanwhile, the assembling method of the engine blade is also disclosed, and the rapid assembly of the blade is realized.
Description
Technical Field
The invention relates to an automatic measuring system and method for the mass moment of an engine blade, and belongs to the technical field of automatic equipment.
Background
There are a large number of blades on the composition of engine rotors, especially aircraft engine rotors, which are key elements for converting the flow energy of hot gas into mechanical kinetic energy. The mechanical strength parameters of the blade material determine the service life of the blade; the three-dimensional geometrical parameters of the blade determine the working efficiency; the mass distribution state of the blades influences the distribution of the mass center line of the rotor, and further influences the dynamic stability of the engine.
Since the mass moment of each engine blade is different, in order to reduce the initial unbalance amount of the rotor of the aircraft engine and reduce the asymmetric disturbance of the dynamic characteristic of the airflow, the assembly is generally required to be assembled according to a certain rule according to the mass moment of the blade.
For the measurement and sequencing of the mass moment of the starting blade, the existing method usually comprises the steps of manually weighing and recording each blade, converting the mass moment according to a weighing value, numbering according to the mass moment, and sequencing according to the number.
However, this sort approach has the following drawbacks: firstly, in the measuring process, the mass moment information of each blade cannot be known in advance, so that the process of numbering the blades completely through a manual processing mode becomes extremely complicated, and sequencing deviation can occur when the blades are slightly careless, so that the accurate assembly of the later blades is affected; secondly, the actual mass moment of each blade needs to be detected one by one, and the detection workload is large.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic measuring system for the mass moment of the engine blade and a blade assembling method, wherein the blades of a whole set of engine are ordered according to the mass moment by measuring the deviation values of the mass moment of all blades to be measured and the mass moment of standard blades, the specific numerical value of the mass moment of each blade is not required to be measured, the measuring workload is reduced, and the quick assembling of the blades is convenient for quick ordering.
In order to solve the technical problems, the invention adopts the following technical scheme:
the automatic measuring system for the mass moment of the engine blade comprises a mass moment testing device, wherein the mass moment testing device comprises a testing head, a hollow transmission shaft connected with the testing head, a conical tensioning shaft and a motor for driving the hollow transmission shaft;
the side surface of the test head is provided with a plurality of blade tenon slots at equal intervals along the peripheral line of the test head, the center of the test head is provided with a conical through hole consistent with the taper of the head part of the conical tensioning shaft, the conical tensioning shaft is inserted into and penetrates through the hollow transmission shaft from the conical through hole, the tail end of the conical tensioning shaft is provided with a thread groove and a locking nut, and a locking disc spring is arranged on the conical tensioning shaft between the locking nut and the end part of the hollow transmission shaft;
the test head is internally provided with through grooves which correspond to the blade tenon slots in number and positions and are communicated with the conical through holes, a jacking component used for jacking the blades is arranged in the through grooves, the jacking component comprises a base which can penetrate through the lower ends of the through grooves and is in contact with the conical tensioning shafts, and a jacking block which can penetrate through the upper ends of the through grooves and is in contact with the blades, the base is connected with the jacking block through a guide pillar, and a spring component is sleeved on the guide pillar.
The automatic measuring system for the mass moment of the engine blade is characterized in that: still include the transmission line, set up be in the visual detection subassembly that is used for discernment blade information in the transmission line outside, the transmission line with still be provided with six transfer robot assemblies between the quality moment testing arrangement, one side of six transfer robot assemblies is provided with the blade and keeps in the platform, be provided with the blade on the blade and deposit the box in keeping in the platform.
The automatic measuring system for the mass moment of the engine blade is characterized in that: be provided with a plurality of blade main part slots on the blade storage box, blade main part slot department corresponds and is provided with blade tenon fixed block, blade tenon fixed block include with the corresponding trompil in blade main part slot position, the both sides of trompil are provided with first dog, and the front end is provided with the second dog.
The automatic measuring system for the mass moment of the engine blade is characterized in that: and a limiting block is arranged at the tail end of the blade tenon slot.
The automatic measuring system for the mass moment of the engine blade is characterized in that: the bottom surface of base is slope form arcwall face, and the gradient and the radian of this slope form arcwall face all with the tapering and the radian of toper tight axle head are unanimous.
The automatic measuring system for the mass moment of the engine blade is characterized in that: the upper end of the jacking block is provided with a step-shaped structure.
A method of assembling a blade using an automatic measuring system for the mass moment of an engine blade as described above, characterized by: the method comprises the following steps:
(1) According to the model of the blade to be tested, fixing the corresponding standard blade in the corresponding blade tenon slot of the mass moment testing device in advance;
(2) The blade storage box body filled with the blades is moved to the lower part of the visual detection assembly through a transmission line, and related information of each blade is collected through continuous movement of a CCD (charge coupled device) camera of the visual detection assembly in the directions of an X axis, a Y axis and a Z axis;
(3) Taking out the blades subjected to visual detection one by one through a robot hand grip of a six-axis carrying robot assembly and inserting the blades into blade tenon slots symmetrical to the positions of the standard blades, driving a hollow transmission shaft and a testing head to rotate through a motor, driving the standard blades and the blades to be tested to synchronously rotate, and completing measurement of the mass moment of the blades to be tested by using a testing system of a mass moment testing device and recording related measurement results;
(4) After the measured blades are placed into the blade storage box body on the blade temporary storage table through the six-axis transfer robot assembly, repeating the measuring process of the step (3) until all the blades to be measured are measured, and placing all the blades in the blade storage box body on the transmission line into the blade storage box body on the blade temporary storage table one by one after the measurement is completed, wherein the position of each blade placed into the blade storage box body on the blade temporary storage table is consistent with the position of each blade placed in the blade storage box body on the transmission line;
(5) The method comprises the steps that a blade storage box body on a transmission line is controlled to move to one side of a blade temporary storage table, a six-axis carrying robot assembly is used for taking out blades from the blade storage box body on the blade temporary storage table one by one according to the mass moment of each blade detected by a visual detection assembly and combined with the mass moment of each blade detected by a mass moment testing device and according to the rule that the mass moment of all the blades is from big to small or from small to big, and the blades are sequentially placed into the blade storage box body on the transmission line, so that the blades in the blade storage box body on the transmission line are orderly arranged according to the mass moment;
(6) Taking two blades with maximum and minimum mass moment values in all the blades as a first group of blades, and aligning and assembling the blades on a blade mortise of an engine in a symmetrical mounting mode to finish assembly; taking two blades with maximum and minimum mass moment in the rest blades as a second group of blades, installing the blades with larger mass moment in the second group of blades and the blades with smaller mass moment in the first group of blades adjacently, aligning and assembling the blades with smaller mass moment in the second group of blades and the blades with larger mass moment in the second group of blades on a blade mortise of an engine in a symmetrical installation mode, and completing the assembly of all the rest blades in the mode.
The method for assembling the engine blade is characterized by comprising the following steps of: in the step (3), before testing, the conical tensioning shaft is moved by rotating the locking nut and matching with the locking disc spring, the base is gradually pushed in the moving process of the conical tensioning shaft, and the jacking block is enabled to press the blade in the blade tenon slot under the action of the spring component.
The beneficial effects of the invention are as follows:
1. the method has the advantages that the blade to be measured and the standard blade are compared and measured, the conical tension shaft is matched with the jacking component in the whole measuring process, so that the standard blade and the blade to be measured are fastened on the test head of the quality moment testing device, the blade fixing mode is reliable, the disassembly is convenient, the safety risk caused by falling of the blade in the measuring process is avoided, meanwhile, the operation time is saved, the damage rate of the blade tenons is reduced, meanwhile, the quality moment of all the blades is only required to be sequenced, the exact quality moment value of each blade is not required to be known, and therefore, the quality moment of the selected standard blade is compared, the difference between the standard blade and the standard blade is used for sequencing, so that the detection workload is greatly reduced;
2. the measurement efficiency of the blade mass moment is effectively improved through an optimized blade measurement and sequencing mode, the problem of error recording caused by data recording when a traditional measurement method is manually performed is avoided, meanwhile, the accuracy of the data plays a guiding role on the assembly of the engine blade, basic data support is provided for dynamic balance optimization of the engine, and the traceability of the data is realized;
3. through the blade storage box body specially designed for the blades, the blades can be effectively protected from damage, and the blades can be conveniently ordered, and the whole blade ordering process is faster and simpler by arranging the blade storage box body for temporary storage.
Drawings
FIG. 1 is a schematic diagram of an automatic engine blade mass moment measurement system according to the present invention;
FIG. 2 is a front view of a mass moment testing device of an automatic engine blade mass moment measurement system of the present invention;
FIG. 3 is a front view of a mass moment testing device of an automatic engine blade mass moment measurement system of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a schematic view of the structure of a tightening assembly of a mass moment testing device of an automatic measuring system for the mass moment of an engine blade according to the present invention;
FIG. 6 is a schematic view of the structure of a blade storage case of an automatic engine blade mass moment measurement system according to the present invention;
FIG. 7 is an enlarged schematic view of B in FIG. 6;
fig. 8 is an enlarged schematic view of C in fig. 3.
Description of the embodiments
The invention will be further described with reference to the drawings.
Examples
As shown in fig. 1 to 8, an automatic measuring system for the mass moment of an engine blade comprises a mass moment testing device 40, wherein the mass moment testing device 40 comprises a testing head 41, a hollow transmission shaft 42 connected with the testing head 41, a conical tightening shaft 43 and a motor for driving the hollow transmission shaft 42; the side surface of the test head 41 is provided with a plurality of blade tenon slots 411 at equal intervals along the circumference thereof, the center of the test head 41 is provided with a conical through hole consistent with the taper of the head of the conical tension shaft 43, the conical tension shaft 43 is inserted into and penetrates through the hollow transmission shaft 42 from the conical through hole, the tail end of the conical tension shaft 43 is provided with a thread groove and a locking nut 45, and a locking disc spring 44 is arranged on the conical tension shaft 43 between the locking nut 45 and the end part of the hollow transmission shaft 42; the test head 41 is internally provided with through grooves which correspond to the blade tenon slots 411 in number and position and are communicated with the tapered through holes, the through grooves are internally provided with a tightening assembly 46 for tightening the blades, the tightening assembly 46 comprises a base 461 which can penetrate through the lower ends of the through grooves and is in contact with the tapered tightening shaft 43, and a tightening block 462 which can penetrate through the upper ends of the through grooves and is in contact with the blades, the base 461 and the tightening block 462 are connected through a guide column 463, and a spring assembly 464 is sleeved on the guide column 463.
In this embodiment, the side of the test head 41 is provided with 3 groups of 6 blade tenon slots 411 for testing different types of blades, wherein the blade tenon slots 411 are symmetrical in pairs, and are respectively used for inserting the blades to be tested and the standard blades corresponding to the blades.
In the process of measuring the mass moment of the blade to be measured by using the mass moment testing device 40, firstly, the standard blade and the blade to be measured are respectively inserted into the corresponding blade tenon slot 411, then the locking disc spring 44 is compressed by rotating the locking nut 45, so that the conical tensioning shaft 43 is driven to move towards the locking nut 45, in the moving process of the conical tensioning shaft 43, the head of the conical structure gradually pushes the base 461 to move towards the corresponding blade tenon slot 411, because in the embodiment, the section of the blade tenon slot 411 is of an inverted T-shaped structure, the opening of the upper end is smaller than the opening of the lower end, under the action of the spring component 464, the jacking block 462 gradually compresses the blade in the blade tenon slot 411, and the inner wall of the blade relative to the blade tenon slot 411 has a certain compression force, so that the transverse friction force between the blade and the blade tenon slot 411 is increased, and the standard blade and the blade to be measured are completely fixed on the testing head 41, the safety risk caused by falling of the blade in the measuring process is avoided, meanwhile, the whole set of the measuring system is reliably positioned and the whole measuring error is reduced due to the fact that the measuring error of the measuring system is brought to the traditional measuring error. In the measuring process, the mass moment measuring device 40 calculates the mass moment of the blade to be measured by a method that the standard blade rotates to take a deviation value with the symmetrically and positively installed blade to be measured.
The end of the blade tenon slot 411 is provided with a limiting block 412, so that the insertion position of each blade is controlled to be the same, and the measurement reliability is ensured. The bottom surface of base 461 is slope form arcwall face, and the gradient and the radian of this slope form arcwall face all with the tapering and the radian of toper tensioning axle 43 head are unanimous, through the bottom surface of base 461 with the head design shaping cooperation form structure of toper tensioning axle 43, can better guarantee that base 461 moves along with the removal of toper tensioning axle 43, make the tight piece 462 of top to the tight process that gradually grow of blade tenon applys, can not cause any damage to the blade when accomplishing the tight, and the condition that toper tensioning axle 43 and base 461 card die can not appear in this kind of structural design, be favorable to guaranteeing that whole quality moment testing arrangement 40 normally works for a long time. And, the upper end of the jack block 462 is provided with a stepped structure to prevent the jack assembly 46 from falling out of the empty blade tenon slot 411 during measurement.
In this embodiment, this automatic measurement system of engine blade mass moment still includes transmission line 10, sets up be in the visual inspection subassembly 20 that is used for discernment blade information in the transmission line 10 outside, transmission line 10 with still be provided with six transfer robot subassembly 30 between the mass moment testing arrangement 40, one side of six transfer robot subassembly 30 is provided with the blade and keeps in the platform 50, be provided with the blade on the blade and deposit box 60 in the platform 50.
All the blades stored in the blade storage box of the transmission line 10 are subjected to information acquisition and recording through the visual detection assembly 20, the acquired information mainly comprises identification of batch numbers of the blades and storage position information of each blade in the blade storage box, then the blades after the information acquisition are sequentially placed into the mass moment testing device 40 through the six-axis transfer robot assembly 30 to conduct mass moment measurement, the measured blades are placed into the blade storage box 60 on the blade temporary storage table 50, the mass moment of each blade is recorded in a system of the mass moment testing device 40, then the mass moment of each blade in each position in the blade storage box 60 on the blade temporary storage table 50 can be known by combining the position information of each blade identified by the visual detection assembly 20, then the blades in the blade storage box 60 on the blade temporary storage table 50 are controlled through the automatic comparison mode in the system, the blades in the blade storage box 60 on the six-axis transfer robot assembly 30 are replaced into the blade storage box on the transmission line 10 according to the sequence from big to small or from small to big according to the mass moment, and the method for the subsequent blade temporary storage is convenient, and specific see the embodiment of the blade assembly process in the embodiment 2 is convenient.
In order to facilitate storage and sorting of the blades, the blade storage box 60 is provided with a plurality of blade main body slots 61, blade tenon fixing blocks 62 are correspondingly arranged at the blade main body slots 61, the blade tenon fixing blocks 62 comprise holes 621 corresponding to the positions of the blade main body slots 61, first stop blocks 623 are arranged on two sides of the holes 621, and second stop blocks 622 are arranged at the front ends of the holes. Wherein, the up end of blade tenon fixed block 62 is the slope form, cooperatees with blade tenon structure, combines first dog 623 and second dog 622 can effectually realize the fixed to the blade, makes the blade can not take place any removal in the blade deposits box 60 to adopt the mode that this kind of box was deposited, can the positional information of a blade of the convenient and accurate record of rank information, be convenient for combine together with the mass moment information of blade, thereby accomplish the blade sequencing fast.
Examples
An engine blade assembly method comprising the steps of:
(1) According to the model of the blade to be tested, the corresponding standard blade is fixed in the corresponding blade tenon slot 411 of the mass moment testing device 40 in advance;
(2) The blade storage box body filled with the blades is moved to the lower part of the visual detection assembly 20 through the transmission line 10, and related information of each blade is collected through continuous movement of the CCD camera of the visual detection assembly 20 in the X-axis, Y-axis and Z-axis directions;
(3) The robot hand of the six-axis carrying robot assembly 30 is used for picking up and inserting the blades subjected to visual detection into blade tenon slots 411 which are symmetrical to the positions of the standard blades one by one, a locking nut 45 is rotated and matched with a locking disc spring 44 to enable a conical tensioning shaft 43 to move, a base 461 is gradually pushed in the moving process of the conical tensioning shaft 43, a jacking block 462 is pressed against the blades in the blade tenon slots 411 under the action of a spring assembly 464, a hollow transmission shaft 42 and a test head 41 are driven to rotate by a motor, so that the standard blades and the blades to be tested are driven to synchronously rotate, a method for taking deviation values by rotating the standard blades and the blades to be tested which are symmetrically and positively arranged by a mass moment testing device 40 is used for calculating mass moments of the blades to be tested, and relevant measurement results are recorded; in this embodiment, regarding the method for obtaining the deviation value by rotating the standard blade and the blade to be tested symmetrically and positively installed by using the mass moment testing device 40, the method is the same as the dynamic balance testing principle, specifically, after the standard blade and the blade to be tested are installed on the dynamic balance measuring machine, the dynamic balance test is performed in the process of high-speed rotation, and because the mass moment of the standard blade and the blade to be tested have a difference, the corresponding vibration quantity is generated, the value is captured and recorded by using the sensor or the vibration detecting device, the unbalance quantity of the rotating body can be calculated by using the value, and the unbalance quantity can be understood as the deviation value of the mass moment of the two blades. (the acquisition of the vibration quantity and the process of calculating the unbalance quantity by using the vibration quantity are the prior art, and specific reference is made to https:// www.zjjizhi.com/armics/dphcdy. Html). It should be noted that in this embodiment, the standard blade is only required to be the same type as the blade to be tested, the standard blade is used as a reference to measure the deviation value of the mass moment of all the blades to be tested relative to the standard blade, and then numbering is performed according to the magnitude of the deviation value of each blade to be tested relative to the standard blade, so that a basis is provided for the subsequent specific blade assembly method, because the solution does not need to acquire the specific mass moment value of each blade.
(4) After the measured blades are put into the blade storage box body on the blade temporary storage table 50 through the six-axis transfer robot assembly 30, repeating the measuring process of the step (3) until all the blades to be measured are measured, and putting all the blades in the blade storage box body on the transmission line 10 into the blade storage box body on the blade temporary storage table 50 one by one after the measurement is completed, wherein the position of each blade put into the blade storage box body on the blade temporary storage table 50 is consistent with the position of each blade put into the blade storage box body on the transmission line 10; after each blade is measured, the locking nut 45 is turned to move the conical tension shaft 43, so that the pressure of the tension block 462 on the blade is eliminated, and the blade is conveniently taken out of the blade tenon slot 411;
(5) The blade storage box body on the transmission line 10 is controlled to move to one side of the blade temporary storage table 50, the six-axis transfer robot assembly 30 sequentially takes out the blades from the blade storage box body on the blade temporary storage table 50 according to the mass moment of all the blades from big to small or from small to big according to the mass moment of each blade detected by the visual detection assembly 20 and combined with the mass moment of each blade detected by the mass moment testing device 40, and sequentially places the blades into the blade storage box body on the transmission line 10, so that the blades in the blade storage box body on the transmission line 10 are orderly arranged according to the mass moment;
(6) Taking two blades with maximum and minimum mass moment values in all the blades as a first group of blades, and aligning and assembling the blades on a blade mortise of an engine in a symmetrical mounting mode to finish assembly; taking two blades with maximum and minimum mass moment in the rest blades as a second group of blades, installing the blades with larger mass moment in the second group of blades and the blades with smaller mass moment in the first group of blades adjacently, aligning and assembling the blades with smaller mass moment in the second group of blades and the blades with larger mass moment in the second group of blades on a blade mortise of an engine in a symmetrical installation mode, and completing the assembly of all the rest blades in the mode.
The measuring efficiency of the blade mass moment is effectively improved, the problem of error recording caused by data recording when a traditional measuring method is performed manually is avoided, meanwhile, the accuracy of the data plays a guiding role on the assembly of the engine blade, basic data support is provided for dynamic balance optimization of the engine, and the traceability of the data is achieved. When the engine blade is assembled, the two blades with the maximum and minimum mass moment are assembled on the blade mortise of the engine in a 180-degree manner, and other blades are assembled in a 180-degree manner, so that the deviation value of the engine, which is caused by the deviation of the mass moment of the blades, on the whole dynamic balance of the engine is greatly reduced.
In summary, according to the automatic measuring system for the mass moment of the engine blade and the blade assembling method provided by the invention, the blades of a whole set of engine are ordered according to the mass moment by measuring the deviation values of the mass moment of all blades to be measured and the mass moment of the standard blade, and the specific numerical value of the mass moment of each blade is not required to be measured, so that the measuring workload is reduced, and the rapid ordering and the rapid assembling of the blades are conveniently realized.
The foregoing has outlined and described the basic principles, features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. An automatic measuring system for the mass moment of an engine blade is characterized in that: the device comprises a mass moment testing device (40), wherein the mass moment testing device (40) comprises a testing head (41), a hollow transmission shaft (42) connected with the testing head (41), a conical tensioning shaft (43) and a motor for driving the hollow transmission shaft (42);
the side of the test head (41) is provided with a plurality of blade tenon slots (411) at equal intervals along the circumference of the test head, the center of the test head (41) is provided with a conical through hole consistent with the taper of the head of the conical tension shaft (43), the conical tension shaft (43) is inserted into and penetrates through the hollow transmission shaft (42) from the conical through hole, the tail end of the conical tension shaft (43) is provided with a thread groove and a locking nut (45), and a locking disc spring (44) is arranged on the conical tension shaft (43) between the locking nut (45) and the end part of the hollow transmission shaft (42);
be provided with in test head (41) with blade tenon slot (411) quantity and position are corresponding, with the logical groove that the toper through-hole is linked together, be provided with in the logical groove and be used for pushing up tight subassembly (46) of blade, tight subassembly (46) are pushed up including can pass the lower extreme of logical groove with tight axle (43) contact's tight piece (462) of pushing up of toper, can pass the upper end in logical groove and blade contact, be connected through guide pillar (463) between base (461) and the tight piece (462) of pushing up, the cover is equipped with spring assembly (464) on guide pillar (463).
2. An automatic engine blade mass moment measuring system according to claim 1, wherein: still include transmission line (10), set up be in visual detection subassembly (20) that are used for discernment blade information in the transmission line (10) outside, transmission line (10) with still be provided with six transfer robot subassembly (30) between quality moment testing arrangement (40), one side of six transfer robot subassembly (30) is provided with blade temporary storage platform (50), be provided with blade storage box (60) on blade temporary storage platform (50).
3. An automatic engine blade mass moment measuring system according to claim 2, wherein: be provided with a plurality of blade main part slots (61) on blade storage box (60), blade main part slot (61) department corresponds and is provided with blade tenon fixed block (62), blade tenon fixed block (62) include with trompil (621) corresponding in blade main part slot (61) position, the both sides of trompil (621) are provided with first dog (623), and the front end is provided with second dog (622).
4. An automatic engine blade mass moment measuring system according to claim 1, wherein: the tail end of the blade tenon slot (411) is provided with a limiting block (412).
5. An automatic engine blade mass moment measuring system according to claim 1, wherein: the bottom surface of base (461) is slope form arcwall face, and the gradient and the radian of this slope form arcwall face all with the tapering and the radian of toper tensioning axle (43) head are unanimous.
6. An automatic engine blade mass moment measuring system according to claim 1, wherein: the upper end of the jacking block (462) is provided with a step-shaped structure.
7. A blade assembling method using the automatic measuring system for mass moment of engine blade according to any one of claims 2 to 6, characterized in that: the method comprises the following steps:
(1) According to the model of the blade to be tested, the corresponding standard blade is fixed in the corresponding blade tenon slot (411) of the mass moment testing device (40) in advance;
(2) The blade storage box body filled with the blades is moved to the lower part of the visual detection assembly (20) through the transmission line (10), and related information of each blade is collected through continuous movement of the CCD camera of the visual detection assembly (20) in the X-axis, Y-axis and Z-axis directions;
(3) Taking out the blades subjected to visual detection one by one through a robot hand grip of a six-axis carrying robot assembly (30) and inserting the blades into blade tenon slots (411) symmetrical to the positions of the standard blades, driving a hollow transmission shaft (42) and a test head (41) to rotate through a motor, driving the standard blades and the blades to be tested to synchronously rotate, and completing measurement of the mass moment of the blades to be tested and recording related measurement results by a test system of a mass moment test device (40);
(4) After the measured blades are put into the blade storage box body on the blade temporary storage table (50) through the six-axis transfer robot assembly (30), repeating the measurement process of the step (3) until all the blades to be measured are measured, and putting all the blades in the blade storage box body on the transmission line (10) into the blade storage box body on the blade temporary storage table (50) one by one after the measurement is completed, wherein the position of each blade put into the blade storage box body on the blade temporary storage table (50) is consistent with the position of each blade put into the blade storage box body on the transmission line (10);
(5) The method comprises the steps that a blade storage box body on a transmission line (10) is controlled to move to one side of a blade temporary storage table (50), a six-axis transfer robot assembly (30) is used for sequentially taking out blades from the blade storage box body on the blade temporary storage table (50) according to the mass moment of all the blades from large to small or from small to large and sequentially placing the blades into the blade storage box body on the transmission line (10) according to the blade information detected by a visual detection assembly (20) and the mass moment of each blade detected by a mass moment testing device (40), and therefore the blades in the blade storage box body on the transmission line (10) are arranged in sequence according to the mass moment;
(6) Taking two blades with maximum and minimum mass moment values in all the blades as a first group of blades, and aligning and assembling the blades on a blade mortise of an engine in a symmetrical mounting mode to finish assembly; taking two blades with maximum and minimum mass moment in the rest blades as a second group of blades, installing the blades with larger mass moment in the second group of blades and the blades with smaller mass moment in the first group of blades adjacently, aligning and assembling the blades with smaller mass moment in the second group of blades and the blades with larger mass moment in the second group of blades on a blade mortise of an engine in a symmetrical installation mode, and completing the assembly of all the rest blades in the mode.
8. The blade assembling method of the automatic engine blade mass moment measuring system according to claim 7, wherein: in the step (3), before testing, the conical tensioning shaft (43) is moved by rotating the locking nut (45) and matching with the locking disc spring (44), the base (461) is gradually pushed in the moving process of the conical tensioning shaft (43), and the propping block (462) is pressed against the blade in the blade tenon slot (411) under the action of the spring component (464).
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200411121A (en) * | 2001-12-21 | 2004-07-01 | Nuovo Pignone Spa | System for connecting and locking rotor blades of an axial compressor |
| CN102393239A (en) * | 2011-08-25 | 2012-03-28 | 李丹丹 | Turbine blade weighing device and turbine blade sequencing method based on ant colony algorithm |
| CN205049291U (en) * | 2015-09-09 | 2016-02-24 | 深圳市有棵树科技股份有限公司 | Propeller balance testing arrangement |
| CN112268656A (en) * | 2020-10-29 | 2021-01-26 | 深圳至汉装备科技有限公司 | Intelligent dynamic balance detection counterweight equipment and dynamic balance detection counterweight method |
| CN114088293A (en) * | 2021-10-22 | 2022-02-25 | 株洲时代新材料科技股份有限公司 | Blade mass moment measuring tool and blade mass moment measuring method |
| CN116429321A (en) * | 2023-03-28 | 2023-07-14 | 青岛中科国晟动力科技有限公司 | Turbine blade mass moment measuring method and device |
-
2023
- 2023-08-30 CN CN202311101474.0A patent/CN116839810B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200411121A (en) * | 2001-12-21 | 2004-07-01 | Nuovo Pignone Spa | System for connecting and locking rotor blades of an axial compressor |
| CN102393239A (en) * | 2011-08-25 | 2012-03-28 | 李丹丹 | Turbine blade weighing device and turbine blade sequencing method based on ant colony algorithm |
| CN205049291U (en) * | 2015-09-09 | 2016-02-24 | 深圳市有棵树科技股份有限公司 | Propeller balance testing arrangement |
| CN112268656A (en) * | 2020-10-29 | 2021-01-26 | 深圳至汉装备科技有限公司 | Intelligent dynamic balance detection counterweight equipment and dynamic balance detection counterweight method |
| CN114088293A (en) * | 2021-10-22 | 2022-02-25 | 株洲时代新材料科技股份有限公司 | Blade mass moment measuring tool and blade mass moment measuring method |
| CN116429321A (en) * | 2023-03-28 | 2023-07-14 | 青岛中科国晟动力科技有限公司 | Turbine blade mass moment measuring method and device |
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