CN114001679A - Flange flatness measuring method and measuring device - Google Patents
Flange flatness measuring method and measuring device Download PDFInfo
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- CN114001679A CN114001679A CN202111275019.3A CN202111275019A CN114001679A CN 114001679 A CN114001679 A CN 114001679A CN 202111275019 A CN202111275019 A CN 202111275019A CN 114001679 A CN114001679 A CN 114001679A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 30
- 230000008569 process Effects 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 210000002414 leg Anatomy 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
Abstract
The invention discloses a flange flatness measuring method and device, and belongs to the technical field of industrial equipment. The flange flatness measuring method measures the flatness of the surface to be measured of the piece to be measured, firstly, the flatness of the supporting surface is measured and calibrated by using the laser sensor, and the supporting surface is a reference surface for subsequent measurement after calibration, so that the influence of the supporting surface on a measuring result is weakened; placing the piece to be measured on the supporting surface, and enabling the surface to be measured to be arranged upwards so as to facilitate the measurement of the surface to be measured by the laser sensor; and finally, measuring the flatness of the surface to be measured by using the laser sensor, and judging whether the surface to be measured meets the installation requirements. The measuring method weakens the influence of the flatness of the supporting surface on the flatness measuring result of the flange, and improves the accuracy of the flange flatness measurement.
Description
Technical Field
The invention relates to the technical field of industrial equipment, in particular to a flange flatness measuring method and a flange flatness measuring device.
Background
In different actual working conditions, different requirements are imposed on the flatness of the flange according to different mounting positions of the flange. For example, when the wind power tower barrel is manufactured, the flatness of the flange for connecting two adjacent barrels is less than or equal to 2mm, but the flatness of the flange for connecting the barrels and the wind turbine rudder base is less than or equal to 0.35 mm. Therefore, the flatness of the flange needs to be measured to determine whether the flange meets the installation requirements.
At present, the flatness of the flange is measured by arranging a laser sensor above the surface to be measured of the flange. But the result of the flatness measuring process is influenced by the flatness of the supporting surface for placing the flange, so that the precision of the flange flatness measurement is reduced.
Therefore, it is desirable to provide a method and an apparatus for measuring flange flatness to solve the above problems.
Disclosure of Invention
The invention aims to provide a method and a device for measuring the flatness of a flange, which solve the problem that the measurement result of the flatness of the flange is easily influenced by the flatness of a supporting surface for placing the flange, and improve the accuracy of the measurement of the flatness of the flange.
In order to realize the purpose, the following technical scheme is provided:
a flange flatness measuring method comprises the following steps:
s1, measuring and calibrating the flatness of the supporting surface of the bearing platform by using a laser sensor;
s2, placing a piece to be tested on the supporting surface of the bearing platform, wherein the surface to be tested of the piece to be tested is arranged upwards;
and S3, taking the supporting surface as a reference surface, measuring the flatness of the surface to be measured by using the laser sensor, and judging whether the surface to be measured meets the installation requirement.
As an alternative to the above-mentioned flange flatness measuring method, step S1 further includes the steps of:
s11, selecting a plurality of first points to be measured on the supporting surface to measure the flatness of the supporting surface;
s12, if the measured value of the flatness of the supporting surface is equal to a first preset value, the measured value of the laser sensor needs to be reset to zero; otherwise, the flatness of the supporting surface needs to be corrected until the flatness of the supporting surface is equal to the first preset value.
As an alternative to the above-mentioned flange flatness measuring method, step S3 further includes the steps of:
s31, selecting a plurality of second test points on the surface to be measured to measure the flatness of the surface to be measured;
s32, if the measured value of the flatness of the surface to be measured is equal to a second preset value, the surface to be measured is qualified; otherwise, the surface to be measured is unqualified.
As an alternative of the above method for measuring the flatness of the flange, the method further comprises the steps of:
s41, the bearing platform retreats to the initial position, and the measured piece to be measured is taken down from the bearing platform;
s42, repeating the step S2 and the step S3 so as to measure the flatness of the surface to be measured of another piece to be measured.
A measuring device is applied to the flange flatness measuring method and comprises the following steps:
the bearing platform is provided with an accommodating groove, a supporting surface is arranged in the accommodating groove and used for supporting the piece to be tested, and the surface to be tested of the piece to be tested is arranged upwards;
and the laser sensor is arranged above the bearing platform and can measure the flatness of the surface to be measured by taking the supporting surface as a reference surface.
As an alternative of the measuring device, the measuring device further comprises a bearing plate for bearing the piece to be measured, the bearing plate can be arranged on the bearing platform, and the bearing platform is further provided with a clamping assembly for clamping the bearing plate.
As an alternative of the above measuring device, two clamping assemblies are provided, and the two clamping assemblies are respectively used for clamping two ends of the bearing plate.
As an alternative of the above measuring device, the bearing platform includes a first plate and a second plate arranged at intervals along the vertical direction, and the bearing plate is arranged on the first plate; the centre gripping subassembly includes holder and driving piece, the holder includes first part and second part, first part rotates to be located arbitrary end of first board, the driving piece is located first board with between the second board, the one end of second part with the output of driving piece rotates and links to each other, the other end with the one end of first part rotates and links to each other, the driving piece is used for the drive the second part is kept away from or is close to load-bearing platform.
As an alternative of the measuring device, the measuring device further comprises a machine shell and an adjusting component, wherein the adjusting component is arranged in the machine shell, the bearing platform is arranged at the output end of the adjusting component, and the adjusting component is used for adjusting the relative position between the piece to be measured and the laser sensor.
As an alternative of the above measuring device, the adjusting assembly includes a first module and a second module, the driving direction of the first module is a first direction, and the bearing platform is disposed at the output end of the first module; the driving direction of the second module is a second direction, and the first module is arranged at the output end of the second module; the first direction and the second direction are vertically arranged in a horizontal plane.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a flange flatness measuring method, which is used for measuring the flatness of a surface to be measured of a piece to be measured, firstly, a laser sensor is used for measuring and calibrating the flatness of a supporting surface, and the supporting surface is a reference surface for subsequent measurement after calibration, so that the influence of the supporting surface on a measurement result is weakened; placing the piece to be measured on the supporting surface, and enabling the surface to be measured to be arranged upwards so as to facilitate the measurement of the surface to be measured by the laser sensor; and finally, measuring the flatness of the surface to be measured by using the laser sensor, and judging whether the surface to be measured meets the installation requirements. The measuring method weakens the influence of the flatness of the supporting surface on the flatness measuring result of the flange, and improves the accuracy of the flange flatness measurement.
The measuring device provided by the invention is applied to the flange plane measuring method and comprises a bearing platform and a laser sensor, wherein the bearing platform is provided with an accommodating groove, a supporting surface is arranged in the accommodating groove and used for supporting the piece to be measured, and the surface to be measured of the piece to be measured is arranged upwards. The laser sensor is arranged above the bearing platform, can measure the flatness of the surface to be measured by taking the supporting surface as a reference surface, weakens the influence of the flatness of the supporting surface on the flatness measuring result of the flange, and improves the accuracy of the flatness measurement of the flange.
Drawings
FIG. 1 is a schematic structural diagram of a flange flatness measuring apparatus according to an embodiment of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an assembly view of a load-bearing platform and clamping assembly in an embodiment of the present invention;
FIG. 4 is a flow chart of a measurement method in an embodiment of the invention;
FIG. 5 is a flowchart of step S1 according to an embodiment of the present invention;
fig. 6 is a flowchart of step S3 in the embodiment of the present invention.
Reference numerals:
1. a load-bearing platform; 2. a clamping assembly; 3. an adjustment assembly; 4. a laser sensor; 5. an auxiliary slide rail; 6. a working platform;
11. a first plate; 111. a carrier plate; 12. a second plate;
21. a clamping member; 211. a first member; 212. a second component; 22. a drive member;
31. a first module; 32. a second module;
61. a support frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the operating mode of reality, the flatness requirement of installing the flange on different positions is different, in order to judge whether the flange satisfies the installation requirement on this mounted position, needs to measure the flatness of flange, but the measuring result of flange flatness receives the holding surface influence of placing the flange easily to reduce the flange flatness measuring accuracy. Therefore, as shown in fig. 1 to fig. 3, the present embodiment provides a method and a device for measuring flange flatness to solve the above problems.
Referring to fig. 1, the measuring device relates to the technical field of industrial equipment, and comprises a bearing platform 1 and a laser sensor 4. Bearing platform 1 is last to be equipped with the holding tank, is equipped with the holding surface in the holding tank, and the holding surface is used for supporting the piece that awaits measuring, and the face that awaits measuring of the piece that awaits measuring sets up upwards. The laser sensor 4 is arranged above the bearing platform 1, can measure the flatness of the surface to be measured by taking the supporting surface as a reference surface, weakens the influence of the flatness of the supporting surface on the measuring result of the flatness of the flange, and improves the accuracy of the measurement of the flatness of the flange.
With reference to fig. 2, optionally, the measuring device includes a bearing plate 111 for bearing the to-be-measured object, and the bearing plate 111 can be disposed on the bearing platform 1 to realize the placement of the to-be-measured object on the bearing platform 1. The bearing platform 1 is further provided with a clamping assembly 2 for clamping the bearing plate 111 to ensure that the position of the part to be measured on the bearing platform 1 is fixed, and the reduction of measurement accuracy caused by the deviation of the part to be measured in the measurement process is avoided. Due to the arrangement of the bearing plate 111, the clamping assembly 2 is prevented from being in direct contact with the to-be-detected piece, and the clamping assembly 2 is prevented from damaging the to-be-detected piece. Furthermore, a through groove is formed in the bearing plate 111, and the to-be-tested part can be arranged in the through groove, so that the bearing plate 111 bears the to-be-tested part. The through groove is arranged so that the supporting surface can penetrate through the bearing plate 111 to support the piece to be tested.
Further optionally, the two clamping assemblies 2 are arranged, and the two clamping assemblies 2 are respectively used for clamping two ends of the bearing plate 111, so that the two ends of the bearing plate 111 are stressed in a balanced manner, the phenomenon that one end of the bearing plate 111 is tilted due to pressure difference is avoided, and the measuring accuracy is guaranteed.
Specifically, as shown in fig. 3, the bearing platform 1 includes a first plate 11 and a second plate 12 arranged at an interval in a vertical direction, the bearing plate 111 is disposed on the first plate 11, the clamping assembly 2 includes a clamping member 21 and a driving member 22, the clamping member 21 includes a first part 211 and a second part 212, the first part 211 is rotatably disposed at any end of the first plate 11, the driving member 22 is disposed between the first plate 11 and the second plate 12, one end of the second part 212 is rotatably connected to an output end of the driving member 22, the other end is rotatably connected to one end of the first part 211, and the driving member 22 is configured to drive the second part 212 to move away from or close to the bearing platform 1, so as to realize abutting or moving away of a free end of the first part 211 and the bearing plate 111. When the second part 212 is driven by the driving member 22 to move away from the carrying platform 1, one end of the first part 211 moves away from the carrying platform 1, so that the first part 211 rotates relative to the first plate 11. During the rotation of the first member 211 relative to the first plate 11, one end of the first member 211 moves along the circular arc track, and simultaneously drives the second member 212 to rotate relative to the output end of the driving member 22, and the free end of the first member 211 approaches the bearing plate 111 until abutting against the bearing plate 111. Further, the first member 211 is connected to the first plate 11 by a first rotation shaft, so that the first member 211 is rotatably connected to the first plate 11. The rotating end of the first member 211 is connected to one end of the second member 212 through a second rotating shaft, so as to realize the rotating connection between the first member 211 and the second member 212. The other end of the second member 212 is connected to the output end of the driving member 22 via a third shaft to effect rotational connection of the second member 212 to the output end of the driving member 22. Further optionally, the free end of the first member 211 is a hook structure, so as to abut against the bearing plate 111. Further optionally, the driving member 22 is an air cylinder, and an air pipe joint is arranged on the bearing platform 1, and the air pipe joint is connected with an external air source and the air cylinder to provide power for the air cylinder to move. Further optionally, a throttle valve is further disposed on the bearing platform 1, and the throttle valve is disposed on a pipeline communicating the cylinder with an external air source and used for adjusting the movement speed of the cylinder.
Further optionally, a positioning column is arranged on the first plate 11, a positioning hole is arranged on the bearing plate 111, and the positioning column can penetrate through the positioning hole to realize rapid positioning and guiding of the bearing plate 111 on the bearing platform 1, so that the measurement efficiency is improved.
Because a plane can be determined only by the three points, in order to ensure the positioning accuracy, a plurality of positioning columns are further optionally arranged, and the positioning holes and the positioning columns are arranged in one-to-one correspondence. In this embodiment, four positioning posts are provided.
Optionally, the flange flatness measuring apparatus further includes a casing and an adjusting component 3, the adjusting component 3 is disposed in the casing, the bearing platform 1 is disposed at an output end of the adjusting component 3, and the adjusting component 3 is used for adjusting a relative position between the to-be-measured member and the laser sensor 4. The setting of adjusting part 3 makes laser sensor 4 can select a plurality of measuring points on the piece that awaits measuring to measure on the one hand to improve the measuring precision. On the other hand makes the piece to be measured can keep away from laser sensor 4 to change the piece to be measured, measure another piece to be measured.
Specifically, the adjusting assembly 3 includes a first module 31 and a second module 32, the driving direction of the first module 31 is a first direction (i.e. the X direction in the drawing), and the supporting platform 1 is disposed at the output end of the first module 31; the driving direction of the second module 32 is a second direction (i.e. Y direction in the drawing), and the first module 31 is disposed at the output end of the second module 32; the first direction and the second direction are vertically arranged in a horizontal plane. The specific structure of the adjusting assembly 3 enables the piece to be measured to change its position in the first direction and the second direction to adjust the relative position between the piece to be measured and the laser sensor 4.
Further optionally, the flange plane measuring device further includes an auxiliary slide rail 5, the auxiliary slide rail 5 extends along the second direction, and the first module 31 can be slidably disposed on the auxiliary slide rail 5. The arrangement of the auxiliary slide rail 5 improves the stability of the first module 31 in the moving process along the second direction.
Further optionally, the auxiliary slide rail 5 includes a slide rail body and a slider, the slide rail body is disposed in the casing along the second direction, the slider is slidably disposed on the slide rail body, and the first module 31 is connected to the slider, so as to realize the sliding of the first module 31 on the auxiliary slide rail 5.
Further optionally, the enclosure comprises a box and a protective cover. Specifically, an electric cabinet is arranged in the box body and used for controlling the movement of each component in the flange flatness measuring device.
Further optionally, a fan is arranged on the side wall of the box body, so that air inside and outside the box body circulates, the temperature in the box body is reduced, and the safety of the flange flatness measuring device is improved. Specifically, the number of the fans is increased, and the safety of the flange flatness measuring device is improved as the number of the fans is increased. In this embodiment, two fans are arranged on the side wall of the box body, and the two fans are arranged at intervals along the vertical direction.
Further optionally, the bottom of box is equipped with a plurality of supporting legss to the stable placing on ground of realization casing.
Further optionally, the top of box is equipped with work platform 6, and the safety cover is used for covering and establishes work platform 6, and adjusting part 3 and auxiliary slide rail 5 are all located on work platform 6. Further optionally, a buffer pad is arranged between the working platform 6 and the box body to buffer the impact force on the box body in the measuring process and prevent the box body from being damaged. Specifically, the buffer pad is a U-force rubber pad. In this embodiment, four cushions are provided, which are respectively provided at four corners of the working platform 6. Further optionally, a support frame 61 is arranged on the workbench, and the laser sensor 4 is arranged on the support frame 61. The setting of safety cover makes adjusting part 3, load-bearing platform 1 and laser sensor 4 not receive external environment's invasion, has guaranteed measuring result's accuracy on the one hand, and on the other hand has protected the safety of each subassembly, has prolonged flange plane degree measuring device's life-span.
Further optionally, a display is arranged on the protective cover and is in communication connection with the laser sensor 4 to display the measurement result of the surface to be measured, so that the staff can obtain the measurement result in time.
Further optionally, the protective cover is provided with an opening, so that a worker can conveniently replace the to-be-tested piece through the opening. Further optionally, the opening part is provided with a grating, the grating is in communication connection with the electric cabinet, when the grating is shielded in the measuring process, the electric cabinet is stopped emergently, and the safety in the measuring process is improved.
Further optionally, an emergency stop switch is arranged on the protective cover and is in communication connection with the electric cabinet, so that the flange flatness measuring device can be quickly stopped in emergency, and the safety in the measuring process is improved.
Further optionally, be equipped with the starting switch of two series connections on the safety cover, two starting switches all link to each other with the electric cabinet communication, only under the condition that two starting switches all communicate, just can start flange plane degree measuring device, avoided the condition that the mistake opened of flange plane degree measuring device that the mistake touched the switch and lead to.
Further optionally, a USB interface is provided on the protective cover for connecting an external terminal to perform information transfer.
The embodiment also provides a measuring method, which uses the flange flatness measuring device to measure a to-be-measured piece, and fig. 4 to 6 are flowcharts of the measuring method in the embodiment.
As shown in fig. 4, the measuring method includes the steps of:
s1, measuring and calibrating the flatness of the supporting surface of the bearing platform 1 by using the laser sensor 4, wherein the supporting surface after calibration is a reference surface for subsequent measurement, so that the influence of the supporting surface on the measurement result is weakened.
S2, placing the piece to be measured on the supporting surface of the bearing plate platform 1, and arranging the surface to be measured of the piece to be measured upwards so as to measure the surface to be measured by the laser sensor 4.
And S3, measuring the flatness of the surface to be measured by using the laser sensor 4, and judging whether the surface to be measured meets the installation requirements. The common measurement method directly measures the flatness of the surface to be measured, the measurement result is easily influenced by the flatness of the supporting surface supporting the surface to be measured, and the measurement accuracy is reduced. According to the measuring method, the flatness of the supporting surface is measured and calibrated firstly, and then the calibrated supporting surface is used as a reference surface for subsequent measurement, so that the influence of the flatness of the supporting surface on the measurement result of the flatness of the flange is weakened, and the accuracy of the measurement of the flatness of the flange is improved.
Referring to fig. 5, optionally, step S1 further includes the steps of:
s11, selecting a plurality of first points to be measured on the supporting surface to measure the flatness of the supporting surface; a plurality of first points to be measured are selected for repeated measurement, and the flatness measurement accuracy of the supporting surface is improved.
S12, if the measured value of the support surface flatness is equal to the first preset value, the measured value of the laser sensor 4 needs to be zeroed, that is, the support surface is used as the reference surface in the subsequent measurement process. Otherwise, the flatness of the supporting surface is not satisfied with the measurement requirement, and the flatness of the supporting surface needs to be corrected until the flatness of the supporting surface is equal to the first preset value.
In this embodiment, there are four first points to be measured. And the first preset value is 0.005 mm. The number of the first points to be measured and the size of the first preset value are determined according to actual working conditions, are not fixed, and are not limited too much.
Referring to fig. 6, optionally, step S3 further includes the steps of:
s31, selecting a plurality of second points to be measured on the surface to be measured to measure the flatness of the surface to be measured; and a plurality of second points to be measured are selected for repeated measurement, so that the flatness measurement accuracy of the surface to be measured is further improved.
And S32, if the measured value of the flatness of the surface to be measured is equal to the second preset value, the flatness of the surface to be measured meets the installation requirement, and the surface to be measured is qualified. Otherwise, the flatness of the surface to be measured does not meet the installation requirement, and the surface to be measured is unqualified.
In this embodiment, there are eight second points to be measured. And the second preset value is 0.004 mm. The number of the second points to be measured and the size of the second preset value are determined according to the actual working condition, and are not fixed, so that the limitation is not too much.
Referring again to fig. 4, optionally, the measuring method further comprises the steps of:
and S41, the bearing platform 1 returns to the initial position, and the measured piece to be measured is taken down from the bearing platform 1. The above-mentioned retraction of the load-bearing platform 1 can be effected by means of the adjustment assembly 3.
And S42, repeating the step S2 and the step S3 so as to measure the flatness of the surface to be measured of another piece to be measured.
It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A flange flatness measuring method is characterized by comprising the following steps:
s1, measuring and calibrating the flatness of the supporting surface of the bearing platform (1) by using the laser sensor (4);
s2, placing a piece to be tested on the supporting surface of the bearing platform (1), wherein the surface to be tested of the piece to be tested is arranged upwards;
and S3, taking the supporting surface as a reference surface, measuring the flatness of the surface to be measured by using the laser sensor (4), and judging whether the surface to be measured meets the installation requirement.
2. The flange flatness measuring method according to claim 1, wherein the step S1 further includes the steps of:
s11, selecting a plurality of first points to be measured on the supporting surface to measure the flatness of the supporting surface;
s12, if the measured value of the flatness of the supporting surface is equal to a first preset value, the measured value of the laser sensor (4) needs to be reset to zero; otherwise, the flatness of the supporting surface needs to be corrected until the flatness of the supporting surface is equal to the first preset value.
3. The flange flatness measuring method according to claim 1, wherein the step S3 further includes the steps of:
s31, selecting a plurality of second test points on the surface to be measured to measure the flatness of the surface to be measured;
s32, if the measured value of the flatness of the surface to be measured is equal to a second preset value, the surface to be measured is qualified; otherwise, the surface to be measured is unqualified.
4. A flange flatness measuring method according to claim 1, further comprising the steps of:
s41, the bearing platform (1) is retracted to an initial position, and the measured piece to be measured is taken down from the bearing platform (1);
s42, repeating the step S2 and the step S3 so as to measure the flatness of the surface to be measured of another piece to be measured.
5. A measuring apparatus, which is applied to the flange flatness measuring method according to any one of claims 1 to 4, comprising:
the device comprises a bearing platform (1), wherein an accommodating groove is formed in the bearing platform (1), a supporting surface is arranged in the accommodating groove and used for supporting a piece to be tested, and the surface to be tested of the piece to be tested is arranged upwards;
and the laser sensor (4) is arranged above the bearing platform (1) and can measure the flatness of the surface to be measured by taking the supporting surface as a reference surface.
6. The measuring device according to claim 5, further comprising a bearing plate (111) for bearing the object to be measured, wherein the bearing plate (111) can be disposed on the bearing platform, and the bearing platform (1) further comprises a clamping assembly (2) for clamping the bearing plate (111).
7. The measuring device according to claim 6, characterized in that two clamping assemblies (2) are provided, and two clamping assemblies (2) are respectively used for clamping two ends of the bearing plate (111).
8. The measuring device according to claim 6, wherein the carrying platform (1) comprises a first plate (11) and a second plate (12) which are arranged at intervals in a vertical direction, and the carrying plate (111) is arranged on the first plate (11); the clamping assembly (2) comprises a clamping piece (21) and a driving piece (22), the clamping piece (21) comprises a first part (211) and a second part (212), the first part (211) is rotatably arranged at any end of the first plate (11), the driving piece (22) is arranged between the first plate (11) and the second plate (12), one end of the second part (212) is rotatably connected with the output end of the driving piece (22), the other end of the second part is rotatably connected with one end of the first part (211), and the driving piece (22) is used for driving the second part (212) to be far away from or close to the bearing platform (1).
9. The measuring device according to claim 5, characterized by further comprising a housing and an adjusting assembly (3), wherein the adjusting assembly (3) is arranged in the housing, the bearing platform (1) is arranged at an output end of the adjusting assembly (3), and the adjusting assembly (3) is used for adjusting the relative position between the piece to be measured and the laser sensor (4).
10. The measuring device according to claim 9, wherein the adjusting assembly (3) comprises a first module (31) and a second module (32), the driving direction of the first module (31) is a first direction, and the carrying platform (1) is arranged at the output end of the first module (31); the driving direction of the second module (32) is a second direction, and the first module (31) is arranged at the output end of the second module (32); the first direction and the second direction are vertically arranged in a horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111275019.3A CN114001679A (en) | 2021-10-29 | 2021-10-29 | Flange flatness measuring method and measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0561178A2 (en) * | 1992-03-14 | 1993-09-22 | Roke Manor Research Limited | Improvements in or relating to surface curvature measurement |
| CN102759340A (en) * | 2011-04-27 | 2012-10-31 | 中国北车集团大同电力机车有限责任公司 | Planeness detection device |
| CN103983218A (en) * | 2014-03-26 | 2014-08-13 | 东莞市天勤仪器有限公司 | Multi-laser flatness measuring instrument |
| CN105241399A (en) * | 2015-09-09 | 2016-01-13 | 合肥芯碁微电子装备有限公司 | Method of measuring dynamic flatness of precision positioning platform |
| CN105423963A (en) * | 2015-12-29 | 2016-03-23 | 深圳市宝尔威精密机械有限公司 | Mobile phone shell flatness tester |
| CN208171208U (en) * | 2018-05-29 | 2018-11-30 | 湖北瑞尔多智能激光装备有限责任公司 | A kind of processing platform with flatness checking device |
| CN209910612U (en) * | 2019-03-15 | 2020-01-07 | 深圳华海达科技有限公司 | High-precision flatness detection machine |
-
2021
- 2021-10-29 CN CN202111275019.3A patent/CN114001679A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0561178A2 (en) * | 1992-03-14 | 1993-09-22 | Roke Manor Research Limited | Improvements in or relating to surface curvature measurement |
| CN102759340A (en) * | 2011-04-27 | 2012-10-31 | 中国北车集团大同电力机车有限责任公司 | Planeness detection device |
| CN103983218A (en) * | 2014-03-26 | 2014-08-13 | 东莞市天勤仪器有限公司 | Multi-laser flatness measuring instrument |
| CN105241399A (en) * | 2015-09-09 | 2016-01-13 | 合肥芯碁微电子装备有限公司 | Method of measuring dynamic flatness of precision positioning platform |
| CN105423963A (en) * | 2015-12-29 | 2016-03-23 | 深圳市宝尔威精密机械有限公司 | Mobile phone shell flatness tester |
| CN208171208U (en) * | 2018-05-29 | 2018-11-30 | 湖北瑞尔多智能激光装备有限责任公司 | A kind of processing platform with flatness checking device |
| CN209910612U (en) * | 2019-03-15 | 2020-01-07 | 深圳华海达科技有限公司 | High-precision flatness detection machine |
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