CN117781927A - 3D scanning measurement equipment and method for measuring by adopting same - Google Patents
3D scanning measurement equipment and method for measuring by adopting same Download PDFInfo
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- CN117781927A CN117781927A CN202311706325.7A CN202311706325A CN117781927A CN 117781927 A CN117781927 A CN 117781927A CN 202311706325 A CN202311706325 A CN 202311706325A CN 117781927 A CN117781927 A CN 117781927A
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Abstract
The application relates to the technical field of 3D measurement, in particular to 3D scanning measurement equipment and a method for measuring by adopting the equipment, comprising the 3D scanning measurement equipment, a three-coordinate measurement system and a measurement auxiliary system, wherein the measurement auxiliary system comprises a turbine rotating system; the turbine rotating system comprises a motor, wherein the motor is connected to a rotating shaft in a driving way, and a fixing mechanism for fixing a turbine is arranged on the rotating shaft; the pointing direction of the test probe is perpendicular to the axial direction of the rotating shaft; the motor is connected with the motor in a control way; the infrared distance measuring device is also provided with a microprocessor system, wherein the signal input end of the microprocessor system is connected to the infrared distance measuring module, and the signal output end of the microprocessor system is connected to the signal input end of the electric driving system; the detection direction of the sensing light port of the infrared ranging module is consistent with the direction of the measuring probe.
Description
Technical Field
The application relates to the technical field of 3D measurement, in particular to 3D scanning measurement equipment and a method for measuring by adopting the same.
Background
A 3D scanning measurement device is a device for acquiring the geometry and characteristics of the surface of an object. A turbine is a rotating mechanical component, typically consisting of blades and disks, the shape of the blades of a turbine generally being characterized by curved blade surfaces and complex curves.
Because the shape of the turbine is complex, the measuring probe of the 3d measuring device is difficult to measure the shape and structure of the inside of the blade, and a system for assisting the 3d measuring device in measuring is needed at this time, so that the measuring probe can be assisted to extend into the bottom of the blade to measure the structure of the blade.
Disclosure of Invention
This section is intended to summarize some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, which may be simplified or omitted from the present section and description abstract and title of the application to avoid obscuring the objects of this section, description abstract and title, and which is not intended to limit the scope of this invention.
The present invention has been made in view of the above and/or problems occurring in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
a 3D scanning measurement device comprising a three-coordinate measurement system comprising a test probe, characterized in that:
the system also comprises a measurement auxiliary system, wherein the measurement auxiliary system comprises a turbine rotating system;
the turbine rotating system comprises a motor, wherein the motor is in driving connection with a rotating shaft, and a fixing mechanism for fixing a turbine is arranged on the rotating shaft;
the pointing direction of the test probe is perpendicular to the axial direction of the rotating shaft;
the motor is connected with the motor in a control way;
the infrared distance measuring device is also provided with a microprocessor system, wherein the signal input end of the microprocessor system is connected to the infrared distance measuring module, and the signal output end of the microprocessor system is connected to the signal input end of the electric driving system;
the detection direction of the sensing light port of the infrared ranging module is consistent with the direction of the measuring probe;
the distance between the sensing light port and the measuring probe is smaller than 2mm.
Firstly, the 3D scanning measurement equipment is optimized, after the 3D scanning measurement equipment is optimized, the infrared distance measurement module can sense the distance between the bottom of the blade of the turbine, and when the infrared distance measurement module measures the maximum distance between the bottom of the blade of the turbine, the measurement probe can penetrate into the structure of the measurement blade structure in the blade, so that the measurement probe can be assisted to extend into the bottom of the blade to measure the blade structure; and secondly, the turbine rotating system is used for controlling the motor to move, the rotating shaft of the motor is higher in rotating precision, and the measuring precision is prevented from being influenced by excessive turbine rotation.
Preferably, the motor is fixedly arranged on the mounting table, the rotating shaft is arranged on the mounting table in a rotating fit manner, and the mounting table is connected to the supporting frame; the invention optimizes the motor and the rotating shaft structure in the 3D scanning and measuring equipment, and the motor and the rotating shaft are installed by the installation table after the optimization, so that the motor and the rotating shaft can run more stably.
Preferably, the mounting table is provided with a driving worm on the motor, the rotating shaft is provided with a worm wheel, and the driving worm is meshed with the worm wheel; according to the invention, the motor and the rotating shaft in the 3D scanning and measuring equipment are optimized, the motor is more stable in transmission after optimization, and the rotating shaft is self-locked and cannot rotate after the motor is stopped.
Preferably, a fixing seat is arranged below the supporting frame, at least one side surface of the fixing seat can be used for leveling the metal seat, and the side surface is axially parallel to the rotating shaft; according to the invention, the support frame in the 3D scanning and measuring equipment is optimized, and the support frame is more stable after optimization and is convenient for leveling the fixed seat by using the meter.
Preferably, the rotating rod is arranged in a horizontal state; the invention optimizes the rotating rod in the 3D scanning measurement equipment, and the horizontal setting of the rotating rod after the optimization has higher precision.
Preferably, the fixing mechanism is provided with clamping jaws in threaded connection; the invention optimizes the fixing mechanism in the 3D scanning and measuring equipment, and the optimized back clamping jaw is connected to the fixing mechanism by screw threads, so that the turbine can calibrate the position of the turbine when the turbine is clamped.
Preferably, the fixing mechanism is provided with a fine adjustment bolt; according to the invention, the fixing mechanism in the 3D scanning and measuring equipment is optimized, and after optimization, the position of the turbine can be adjusted by using the fine adjustment bolt, so that the turbine is prevented from being clamped flat.
Preferably, the distance measurement range of the infrared distance measurement module is larger than 30cm; according to the invention, the infrared ranging module in the 3D scanning and measuring equipment is optimized, so that the ranging distance of the infrared ranging module is larger than the length of the probe, and the probe is prevented from being damaged during testing.
Preferably, the method for measuring by adopting the 3D scanning measurement equipment comprises the following steps of S1, fixing a turbine to be measured into a turbine rotating system by using a fixing mechanism; s2, the three-coordinate measuring system controls the test probe to run above the part to be measured, the auxiliary measuring system starts to work, the infrared ranging module tests and records the distance from the sensing light port to the turbine along the direction of the test probe and sends the distance to the microprocessor system, and the electric driving system drives the motor to drive the rotating shaft fixed with the turbine to rotate; s3, the microprocessor system compares the distance data measured by the infrared distance measuring module, and the microprocessor system at the maximum distance position is selected to send a stop instruction to enable the electric driving system to control the motor to stop running; s4, the infrared ranging module continues to measure after stopping and sends distance data to an unprocessed system, the microprocessor system compares the stopped data with the maximum distance in the record, and if the distance is the maximum, a measurement starting instruction is sent to the three-coordinate measurement system; the microprocessor system sends a stop instruction to the electric driving system for control, after stopping, the distance continuously measured by the infrared ranging module is not the maximum, the microprocessor system sends an adjustment instruction to the electric driving system according to records to control the motor to adjust the position of the turbine, and then the distance is continuously compared until the maximum distance is reached, and a measurement starting instruction is sent; the turbine is controlled more precisely by adopting a method for measuring by using 3D scanning measuring equipment, so that the turbine stop position is the optimum test probe measurement penetration position.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
FIG. 1 is a schematic side view of an overall structure of a 3D scanning measurement device according to an embodiment of the present invention;
FIG. 2 is a schematic view illustrating a structure of a turbine mechanism clamped in a 3D scanning measurement apparatus according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a front structure of a turbine mechanism clamped in a 3D scanning measurement device according to an embodiment of the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
In the following detailed description of the embodiments of the present invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration only, and in which is shown by way of illustration only, and in which the scope of the invention is not limited for ease of illustration. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Further still, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 3, the present embodiment provides a 3D scanning measurement apparatus including a three-coordinate measurement system including a test probe.
The system also comprises a measurement auxiliary system, wherein the measurement auxiliary system comprises a turbine rotating system; the turbine rotating system comprises a motor 4, wherein the motor 4 is in driving connection with a rotating shaft 3, and a fixing mechanism 2 for fixing a turbine is arranged on the rotating shaft 3; the pointing direction of the test probe 1 is perpendicular to the axial direction of the rotating shaft 3; the motor driving system is controlled and connected with the motor 4; the system also comprises a microprocessor system, wherein the signal input end of the microprocessor system is connected to the infrared ranging module, and the signal output end of the microprocessor system is connected to the signal input end of the electric driving system; the detection direction of the sensing optical port of the infrared ranging module is consistent with the direction of the measuring probe; the distance between the sensing optical port and the measuring probe is smaller than 2mm; the infrared distance measuring module is an infrared distance measuring sensor with the model number of GP2Y0A21YK0F and is used for detecting at least the distance from an optical port to a turbine blade, the distance measuring range is 10cm to 150cm, the infrared distance measuring module is used for measuring the distance from the infrared distance measuring module to the direct position of the turbine below when the test probe 1 is translated above the turbine, the model number of the microprocessor system is ARM Cortex-M, the model number of the electric driving system is Brose Drive S Mag and is controlled by the output signal of the microprocessor system, the input signal of the infrared distance measuring module can be received, and when the input signal of the infrared distance measuring module reaches the maximum distance of the current position of the test probe 1, the electric driving system controls the motor 4 to stop working.
The range of the infrared range finding module is larger than 30cm; the distance measuring range of the infrared distance measuring module is ensured to be larger than the length of the probe.
When the test probe 1 is used, the three-coordinate measuring system controls the test probe 1 to move to the position above a fixed turbine, the test probe 1 points to the position of a turbine blade to be measured, the infrared distance measuring module starts to measure the distance from the stop position to the turbine blade, the turbine rotating system controls the motor 4 to start working, the motor 4 drives the rotating shaft 3 to rotate, the infrared distance measuring module measures distance and sends distance measuring data to the signal input end of the microprocessor system through the signal output end, the microprocessor system sends a stop instruction to the signal input end of the motor driving system from the signal output end of the microprocessor system when comparing the distance measuring data to be at the maximum position, and the motor driving system controls the motor 4 to stop working, so that the turbine stop position is the best lower detection test position of the test probe 1.
Example 2
Referring to fig. 1 to 3, this embodiment is based on the previous embodiment, which is a second embodiment of the present invention.
The motor 4 is fixedly arranged on the mounting table 5, the rotating shaft 3 is arranged on the mounting table 5 in a rotating fit manner, and the mounting table 5 is connected to the supporting frame 6; the mounting table 5 and the supporting frame 6 are of metal structures, the mounting table 5 is fixed on the supporting frame 6 through bolts, the motor 4 is used for driving the rotating shaft 3 to rotate, and the rotating shaft 3 drives the fixing mechanism 2 and the turbine connected to the rotating shaft 3 to rotate.
The motor 4 is provided with a driving worm 9, the rotating shaft 3 is provided with a worm wheel 8, and the driving worm 9 is meshed with the worm wheel 8; the motor 4 and the rotating shaft 3 are driven by the driving worm 9 and the worm wheel 8, the rotating shaft 3 is higher in rotating precision and more stable, and the driving worm 9 and the worm wheel 8 are reversely clamped to the rotating shaft 3 after the motor 4 stops rotating, so that the rotating shaft 3 can not be stirred to rotate.
A fixed seat 7 is arranged below the support frame 6, at least one side surface of the fixed seat 7 can be used for leveling a metal seat, and the side surface is axially parallel to the rotating shaft 3; the fixing seat 7 is a metal structure for keeping the stability of the whole supporting structure, and the supporting frame 6 is provided with a mounting hole for conveniently fixing the mounting table 5.
The rotating shaft 3 is arranged in a horizontal state; the horizontally arranged rotating shaft 3 ensures the precision of the turbine when the turbine is fixedly measured.
The fixing mechanism 2 is provided with a clamping jaw 10 in threaded connection; the clamping jaw 10 is a metal structure for securing a turbine.
The fixing mechanism 2 is provided with a fine adjustment bolt 11; the bottom of the fine tuning bolt 11 is a plane end, so that the position of the turbine can be finely adjusted, and the turbine is prevented from being clamped flat.
A magnetic chuck with a downward magnetic attraction face is arranged below the fixed seat 7; the magnetic chuck is a manual permanent magnetic chuck, and the magnetic chuck is pulled by a spanner to select whether to open the magnetic attraction surface.
When the device is used, the fixing seat 7 is placed on a platform of the 3d measuring device, the position of the fixing seat 7 is leveled by using a calibration mark, the surface of the fixing seat 7 is parallel to one coordinate axis of the 3d measuring device, the axial direction of the rotating shaft 3 is parallel to one coordinate axis of the 3d measuring device, the mounting table 5 is fixed on the proper height of the supporting frame 6 by using bolts, then the turbine wheel disc is preliminarily clamped by using the clamping jaw 10, the turbine blade faces outwards, the position of the turbine wheel disc is leveled by using the calibration mark, the bottom surface of the turbine wheel disc is parallel to one coordinate plane of the 3d measuring device by finely adjusting the position of the turbine wheel disc by using the fine adjusting bolt 11, and then the clamping jaw 10 is clamped to ensure that the turbine cannot fall; then the motor 4 starts to work, the driving worm 9 connected with the motor 4 drives the worm wheel 8 to rotate, and the worm wheel 8 drives the rotating shaft 3 to rotate, so that the turbine clamped by the fixing mechanism 2 is driven to rotate, and the position most suitable for the downward detection amount of the test probe 1 is selected.
Example 3
For the second embodiment of the present invention, the present embodiment is based on the above two embodiments, and is a method for using a 3D scanning measurement device. The method comprises the following steps:
s1, fixing a turbine to be measured into a turbine rotating system by a fixing mechanism 2;
s2, the three-coordinate measuring system controls the test probe 1 to run above the part to be measured, the auxiliary measuring system starts to work, the infrared ranging module tests and records the distance from the sensing light port to the turbine along the direction of the test probe 1 and sends the distance to the microprocessor system, and the electric driving system drives the motor 4 to drive the rotating shaft fixed with the turbine to rotate;
s3, the microprocessor system compares the distance data measured by the infrared distance measuring module, and the microprocessor system at the maximum distance position is selected to send a stop instruction to enable the electric driving system to control the motor 4 to stop running;
and S4, the infrared ranging module continues to measure after stopping and sends distance data to the non-processor system, the microprocessor system compares the stopped data with the maximum distance in the record, and if the distance is the maximum, the microprocessor system sends a measurement starting instruction to the three-coordinate measurement system.
And the microprocessor system sends a stop instruction to the electric driving system for control, and after stopping, the infrared ranging module continuously measures a distance which is not the largest, and then the microprocessor system sends an adjustment instruction to the electric driving system for controlling the motor 4 to adjust the position of the turbine according to the record, and then continuously compares the distances until the maximum distance is reached, and sends a measurement starting instruction.
By this method, the turbine is controlled more precisely, so that the turbine stop position is the optimum test probe 1 measurement penetration position.
It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible, for example, variations in the sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, such as temperature, pressure, etc., mounting arrangements, use of materials, colors, orientations, etc., without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the invention is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described, i.e., those not associated with the best mode presently contemplated for carrying out the invention, or those not associated with practicing the invention.
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (10)
1. A 3D scanning measurement device comprising a three-coordinate measurement system comprising a test probe, characterized in that:
the system also comprises a measurement auxiliary system, wherein the measurement auxiliary system comprises a turbine rotating system;
the turbine rotating system comprises a motor, wherein the motor is in driving connection with a rotating shaft, and a fixing mechanism for fixing a turbine is arranged on the rotating shaft;
the pointing direction of the test probe is perpendicular to the axial direction of the rotating shaft;
the motor is connected with the motor in a control way;
the infrared distance measuring device is also provided with a microprocessor system, wherein the signal input end of the microprocessor system is connected to the infrared distance measuring module, and the signal output end of the microprocessor system is connected to the signal input end of the electric driving system;
the detection direction of the sensing light port of the infrared ranging module is consistent with the direction of the measuring probe;
the distance between the sensing light port and the measuring probe is smaller than 2mm.
2. A 3D scanning measurement device according to claim 1, characterized in that: the motor is fixedly arranged on the mounting table, the rotating shaft is arranged on the mounting table in a rotating fit manner, and the mounting table is connected to the supporting frame.
3. A 3D scanning measurement device according to claim 2, characterized in that: the motor is provided with a driving worm, the rotating shaft is provided with a worm wheel, and the driving worm is meshed with the worm wheel.
4. A 3D scanning measurement device according to claim 3, characterized in that: the support frame below is provided with the fixing base, the fixing base has at least one side can be used for the metal seat of leveling, and this face with pivot axial is parallel.
5. A 3D scanning measurement device according to claim 4, characterized in that: the rotating shaft is arranged in a horizontal state.
6. A 3D scanning measurement device according to claim 5, characterized in that: the fixing mechanism is provided with clamping jaws in threaded connection.
7. A 3D scanning measurement device according to claim 6, characterized in that: and the fixing mechanism is provided with a fine adjustment bolt.
8. A 3D scanning measurement device according to any of claims 1-7, characterized in that: the range finding range of the infrared range finding module is larger than 30cm.
9. A method of measuring with a 3D scanning measurement device, a 3D scanning measurement device according to claim 1, characterized in that:
the using process of the 3D scanning measurement device comprises the following steps:
s1, fixing a turbine to be measured into a turbine rotating system by a fixing mechanism;
s2, the three-coordinate measuring system controls the test probe to run above the part to be measured, the auxiliary measuring system starts to work, the infrared ranging module tests and records the distance from the sensing light port to the turbine along the direction of the test probe and sends the distance to the microprocessor system, and the electric driving system drives the motor to drive the rotating shaft fixed with the turbine to rotate;
s3, the microprocessor system compares the distance data measured by the infrared distance measuring module, and the microprocessor system at the maximum distance position is selected to send a stop instruction to enable the electric driving system to control the motor to stop running;
and S4, the infrared ranging module continues to measure after stopping and sends distance data to the non-processor system, the microprocessor system compares the stopped data with the maximum distance in the record, and if the distance is the maximum, the microprocessor system sends a measurement starting instruction to the three-coordinate measurement system.
10. The method of claim 9, wherein the measuring is performed using a 3D scanning measurement device, and wherein: and the microprocessor system sends a stop instruction to the electric driving system for control, and after stopping, the infrared ranging module continuously measures a distance which is not the largest, and then the microprocessor system sends an adjustment instruction to the electric driving system according to the record to control the motor to adjust the position of the turbine, and then continuously compares the distances until the distance reaches the maximum distance, and sends a measurement starting instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311706325.7A CN117781927A (en) | 2023-12-12 | 2023-12-12 | 3D scanning measurement equipment and method for measuring by adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311706325.7A CN117781927A (en) | 2023-12-12 | 2023-12-12 | 3D scanning measurement equipment and method for measuring by adopting same |
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| CN117781927A true CN117781927A (en) | 2024-03-29 |
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| CN202311706325.7A Pending CN117781927A (en) | 2023-12-12 | 2023-12-12 | 3D scanning measurement equipment and method for measuring by adopting same |
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