CN209459591U - A kind of tubular element bidimensional automatic laser measuring thickness device and system - Google Patents
A kind of tubular element bidimensional automatic laser measuring thickness device and system Download PDFInfo
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- CN209459591U CN209459591U CN201821841805.9U CN201821841805U CN209459591U CN 209459591 U CN209459591 U CN 209459591U CN 201821841805 U CN201821841805 U CN 201821841805U CN 209459591 U CN209459591 U CN 209459591U
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Abstract
The utility model discloses a kind of tubular element bidimensional automatic laser measuring thickness device and devices, wherein, which includes: pedestal, horizontal movement sliding rail, horizontal movement slide unit, over long distances support upper cantilever, over long distances support lower cantalever, first laser displacement sensor, second laser displacement sensor and rotary chuck support construction.Thickness measuring system, comprising: motion-control module, data acquisition module, data reconstruction module, display module, work flow template and aforementioned device.Present invention effectively prevents due to stroke it is too long caused by between laser sensor distance change to effectively reduce thickness measure error improve thickness measuring precision.
Description
Technical field
The present invention relates to laser displacement measurement and automatic control technology more particularly to a kind of tubular element bidimensional automatic lasers
Measuring thickness device and system.
Background technique
It is special that wheat spy dyne (Suzhou) automobile component Co., Ltd discloses a kind of " online laser thickness measuring apparatus " utility model
Benefit, country origin: China, publication number: CN201720861968.2 on January 30 2018 publication date, has been authorized at present.This is practical
Novel to fix two laser sensors, mobile component to be measured realizes the thickness measure of different location.Due to macrotype tubular structure
It builds that volume is big, weight weight, is difficult to realize constant level's movement, therefore, the program may not apply to the thickness measure of elongate tube member.
Shanghai Kai Duo mechanical & electronic equipment corporation, Ltd discloses a kind of " laser thickness measuring apparatus " utility model patent, country origin: in
State, publication number: CN201720861968.2 on January 30 2018 publication date, has been authorized at present.It is in designed c-type frame
It installs two laser displacement sensors in structure additional, test object thickness is measured by the movement of c-type frame.But due to C
Type frame brachium is shorter, can only measure lesser length range or relatively narrow plane institution movement, is unable to satisfy tubular element and surveys over long distances
Thick requirement；If increasing the support arm of laser displacement sensor on c-type frame, and it is straight during traveling to will lead to c-type frame
Distance change between dimension and two-arm leads to biggish measurement error.Simultaneously as the linkage control of Mechatronic Systems, nothing is not implemented
Method carries out the imaging of bidimensional thickness measuring.
Jiangmen city Xu De Electric Machine Co., Ltd discloses a kind of " good laser thickness measuring apparatus of shockproof properties " utility model
Patent, country origin: China, publication number: CN201721262347.9 on May 29 2018 publication date, has been authorized at present.The reality
With novel by fixing device group and outlet fixation in entrance of the two sides of the laser aid setting for preventing motor chip from shaking
Device group prevents motor chip from shaking, avoid because motor chip vibration the measurement of laser thickness measuring apparatus is generated it is bad
It influences.But the device is only applicable to the shorter situation of laser sensor support arm, when carrying out long range measurements to tubular element,
Need to increase the length of laser sensor support arm, two laser sensor spacing will change during the motion, influence
Testing result.
Summary of the invention
The demand that it is an object of the invention to be directed in industrial application to the high-precision thickness measure of long range tubular element,
A kind of high-precision laser measuring thickness device is designed, realizes the thickness of 2m~5m length range, outer diameter 200mm~500mm tubular element
Measurement, thickness measure precision reach ± 0.1mm.
In order to achieve the above objectives, in a first aspect, a kind of tubular element bidimensional automatic laser measuring thickness device, comprising: pedestal, water
Flat movement sliding rail, horizontal movement slide unit, over long distances support upper cantilever, over long distances support lower cantalever, first laser displacement sensor,
Second laser displacement sensor and rotary chuck support construction；Wherein,
Pedestal carries remaining each component, and base length is object length 2 times or more to be detected；
Horizontal movement sliding rail is mounted on one end of pedestal, and length is the half of base length；
Horizontal movement slide unit is arranged on horizontal movement sliding rail；
One end difference device of support upper cantilever and support lower cantalever over long distances is on horizontal movement slide unit over long distances, and protects
Card support upper cantilever over long distances is parallel with long range support lower cantalever；The other end is hanging；
First laser displacement sensor is mounted on the free end for supporting upper cantilever over long distances；Second laser displacement sensor peace
The free end of lower cantalever is supported mounted in long range；
Rotary chuck support construction is mounted on the other end of pedestal.
Preferably, rotary chuck support construction includes: scroll chuck, support clamp mechanism and rotation clamp mechanism.
Preferably, support upper cantilever is designed using the two poles of the earth cylinder-like structure over long distances, fixing end φ 100 ㎜, free end φ
50㎜。
Preferably, further includes: alternating current generator, stepper motor and multiple limit switches；Wherein,
Alternating current generator is connected with the rotation clamp mechanism of rotary chuck support construction；
Stepper motor is connected with horizontal movement slide unit；
Limit switch be set on horizontal movement sliding rail (secretary that tells somebody what one's real intentions are carry " horizontal movement sliding rail close to end positions arrange
Limit switch " is not to understand very much).
Preferably, further includes: lower cantalever sliding rail；Lower cantalever sliding rail supports lower cantalever for fixed over long distances.
Preferably, further includes: object support and supporting table sliding rail to be detected；Supporting table sliding rail is mounted on pedestal
One end of rotary chuck support construction sets up object support to be detected on supporting table sliding rail.
Second aspect, a kind of tubular element bidimensional automatic laser thickness measuring system, comprising: motion-control module, data acquisition
Module, display module, work flow template and first aspect measuring thickness device；Wherein,
Motion-control module is for controlling alternating current generator, stepper motor and multiple limit switches；
Data acquisition module is used for the Laser emission frequency to first laser displacement sensor and second laser displacement sensor
The data such as rate, output voltage and moving distance are initialized, are acquired, read or are stored；
Display module is shown for user input instruction and measurement result；
Work flow template is used for according to user instructions each module cooperative work in sequentially calling device.
Preferably, further includes: data reconstruction module and data management module；Wherein,
Data reconstruction module is for being reconstructed measurement data according to the relationship of measurement data and actual measurement location
To measurement data as a result, and keeping measurement data result corresponding with actual measurement location；Data reconstruction module is also used to according to school
The measurement result of quasi- sample and the reference parameter of calibration sample are displaced the first laser displacement sensor and second laser of device
The position of sensor and distance are compensated automatically.
Wherein, measurement data result includes: single-point numerical value, one-dimensional waveform and two dimensional image.
For data management module for data to be named and stored automatically, user can be according to time of measuring and measurement type
Number etc. information data are loaded into again, carry out the retrospect and check of data.
The present invention has the advantages that carrying out special designing for laser sensor support arm configuration, support arm on the lower is tight
Susceptor surface is pasted, provides support by pedestal；Top support arm one end is hanging, and the two poles of the earth using Φ 100mm, Φ 50mm are cylindric
Structure design guarantees its rigidity while reducing support arm own wt, effectively increases support arm lengths, improve support arm
Stability meets the thickness measuring demand of long range tubular element；Pass through the distance between the laser sensor of horizontal direction total travel
Calibration is effectively prevented due to distance change between the too long caused laser sensor of stroke, to effectively reduce thickness measure
Error improves thickness measuring precision.After tested, the present apparatus can reach the requirement of thickness measure precision ± 0.1mm.
Detailed description of the invention
In order to become apparent from the technical solution for illustrating the embodiment of the present invention, embodiment will be described below in it is required use it is attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of tubular element bidimensional automatic laser measuring thickness device 3-D view of the embodiment of the present invention；
Fig. 2 is a kind of tubular element bidimensional automatic laser measuring thickness device side view of the embodiment of the present invention；
Fig. 3 is a kind of tubular element bidimensional automatic laser thickness measuring system block diagram of the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 is a kind of tubular element bidimensional automatic laser measuring thickness device 3-D view of the embodiment of the present invention；Fig. 2 is this
A kind of tubular element bidimensional automatic laser measuring thickness device side view of inventive embodiments.As shown in Figure 1 and Figure 2, measuring thickness device packet
It includes: pedestal 1, horizontal movement sliding rail 2, horizontal movement slide unit 3, over long distances support upper cantilever 4, over long distances support lower cantalever 5, first
Laser displacement sensor, second laser displacement sensor, rotary chuck support construction 6, lower cantalever sliding rail 7, object branch to be detected
Support platform 8 and supporting table sliding rail 9.Wherein,
Pedestal 1 carries remaining each component, and 1 length of pedestal is object length 2 times or more to be detected.
Horizontal movement sliding rail 2 is mounted on one end of pedestal 1, and length is the half of 1 length of pedestal.
Horizontal movement slide unit 3 is arranged on horizontal movement sliding rail 2.
Support upper cantilever 4 and long range support one end difference device of lower cantalever 5 on horizontal movement slide unit 3 over long distances,
And guarantee to support upper cantilever 4 parallel with long range support lower cantalever 5 over long distances；The other end is hanging.
Lower cantalever sliding rail 7 supports lower cantalever 5 for fixed over long distances.
First laser displacement sensor is mounted on the free end for supporting upper cantilever over long distances；Second laser displacement sensor peace
The free end of lower cantalever is supported mounted in long range.
Rotary chuck support construction 6 is mounted on the other end of pedestal 1.
Supporting table sliding rail 9 is mounted on one end of rotary chuck support construction 6 on pedestal 1, sets up on supporting table sliding rail 9
Object support 8 to be detected.
Preferably, rotary chuck support construction 6 includes: scroll chuck, support clamp mechanism and rotation clamp mechanism.
Preferably, support upper cantilever 4 is designed using the two poles of the earth cylinder-like structure over long distances, fixing end φ 100 ㎜, free end φ
50㎜。
Preferably, further includes: alternating current generator, stepper motor and multiple limit switches；Wherein,
Alternating current generator is connected with the rotation clamp mechanism of rotary chuck support construction 6；
Stepper motor is connected with horizontal movement slide unit 3；
Limit switch be set on horizontal movement sliding rail 2 (secretary that tells somebody what one's real intentions are carry " horizontal movement sliding rail close to end positions arrange
Limit switch " is not to understand very much).
Fig. 3 is a kind of tubular element bidimensional automatic laser thickness measuring system block diagram of the embodiment of the present invention.As shown in figure 3, surveying
Thick system includes: motion-control module, data acquisition module, display module, work flow template, data reconstruction module, data
Management module and Fig. 1, measuring thickness device shown in Fig. 2.Wherein,
Motion-control module is for controlling alternating current generator, stepper motor and multiple limit switches.
Data acquisition module is used for the Laser emission frequency to first laser displacement sensor and second laser displacement sensor
The data such as rate, output voltage and moving distance are initialized, are acquired, read or are stored.
Display module is shown for user input instruction and measurement result.
Work flow template is used for according to user instructions each module cooperative work in sequentially calling device.
Data reconstruction module is for being reconstructed measurement data according to the relationship of measurement data and actual measurement location
To measurement data as a result, and keeping measurement data result corresponding with actual measurement location；Data reconstruction module is also used to according to school
The measurement result of quasi- sample and the reference parameter of calibration sample are displaced the first laser displacement sensor and second laser of device
The position of sensor and distance are compensated automatically.
Wherein, measurement data result includes: single-point numerical value, one-dimensional waveform and two dimensional image.
For data management module for data to be named and stored automatically, user can be according to time of measuring and measurement type
Number etc. information data are loaded into again, carry out the retrospect and check of data.
In a specific embodiment, tubular element bidimensional automatic laser thickness measuring is completed through the following steps.
Standard thickness calibration plate is fixed on above the second laser displacement sensor on support lower cantalever 5 over long distances.
Starter, user assign calibration command by display module.
Work flow template successively starts motion-control module, data acquisition module, data weight according to default calibration command
Structure module and data management module.Wherein,
Moving control module for controlling stepper motor moves horizontal movement slide unit 3 to the device other end along horizontal movement sliding rail 2
It is dynamic.
Data acquisition module controls first laser displacement sensor and second laser displacement sensor opposite direction emits laser, mark
Quasi- thickness calibration plate is located on laser optical path, during standard thickness calibration plate moves to the other end to its displacement data into
The acquisition of row data；
Display module shows the reference parameter of measurement result and standard thickness calibration plate.
Data reconstruction module is according to measurement result and the reference parameter of standard thickness calibration plate to the first laser position of device
The position and distance of displacement sensor and second laser displacement sensor are compensated automatically.
Adjust device, by object to be detected be fixed in rotary chuck support construction 6 and object support 8 to be detected on.
Preferably, according to the difference of the length of object to be detected and outer diameter, it is believed that adjustment object support to be detected
The position of platform 8 and object support to be detected 8 on supporting table sliding rail 9, to meet optimal measurement request.
Starter, user assign measurement instruction by display module.
Work flow template successively starts motion-control module, data acquisition module, data weight according to default measurement instruction
Structure module and data management module.Wherein,
Moving control module for controlling alternating current generator rotates object to be detected by rotating clamp mechanism 6, while controlling stepping
Motor moves horizontal movement slide unit 3 to the device other end along horizontal movement sliding rail 2.
Support upper cantilever 4 enters to be detected to be detected to orthicon in orthicon, supporting lower cantalever 5 to be located at over long distances over long distances
Outside；
Data acquisition module controls first laser displacement sensor and second laser displacement sensor opposite direction emits laser,
Data acquisition is carried out to the thickness of entire tubular structure during moving to the other end from one end of object to be detected.
Display module shows measurement result and analysis result.
Specifically, test result and analysis result include: single-point numerical value, one-dimensional waveform and two dimensional image.
The present invention provides a kind of tubular element bidimensional automatic laser measuring thickness device and systems, and laser sensor is supported
Arm configuration carries out special designing, and support arm on the lower is close to susceptor surface, provides support by pedestal；Top support arm one end is outstanding
Sky is designed using the two poles of the earth cylinder-like structure of Φ 100mm, Φ 50mm, is guaranteed its rigidity while being reduced support arm own wt, has
Effect increases support arm lengths, improves the stability of support arm, meets the thickness measuring demand of long range tubular element.
By the range calibration between the laser sensor of horizontal direction total travel, effectively prevent causing since stroke is too long
Laser sensor between distance change to effectively reduce thickness measure error improve thickness measuring precision.After tested, this dress
Set the requirement that can reach thickness measure precision ± 0.1mm.
Above specific embodiment has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
Illustrate, it should be understood that the above is only a specific embodiment of the invention, the protection model that is not intended to limit the present invention
It encloses, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection scope within.
Claims (10)
1. a kind of tubular element bidimensional automatic laser measuring thickness device characterized by comprising pedestal, horizontal movement sliding rail, level
Move slide unit, support upper cantilever, support lower cantalever, first laser displacement sensor, second laser displacement over long distances over long distances passes
Sensor and rotary chuck support construction；Wherein,
The pedestal carries remaining each component, and base length is object length 2 times or more to be detected；
The horizontal movement sliding rail is mounted on one end of pedestal, and length is the half of the base length；
The horizontal movement slide unit is arranged on the horizontal movement sliding rail；
One end of the long range support upper cantilever and support lower cantalever over long distances is separately mounted on the horizontal movement slide unit,
And guarantee that the long range support upper cantilever is parallel with long range support lower cantalever；The other end is hanging；
The first laser displacement sensor is mounted on the free end of the long range support upper cantilever；The second laser displacement
Sensor is mounted on the free end of the long range support lower cantalever；
The rotary chuck support construction is mounted on the other end of pedestal.
2. the apparatus according to claim 1, which is characterized in that the rotary chuck support construction includes: scroll chuck, branch
Chapelet mechanism and rotation clamp mechanism.
3. the apparatus according to claim 1, which is characterized in that the long range support upper cantilever uses the two poles of the earth cylindrical shape knot
Structure design, 50 ㎜ of fixing end φ 100 ㎜, free end φ.
4. the apparatus according to claim 1, which is characterized in that further include: alternating current generator, stepper motor and multiple limits are opened
It closes；Wherein,
The alternating current generator is connected with the rotation clamp mechanism of the rotary chuck support construction；
The stepper motor is connected with the horizontal movement slide unit；
The limit switch is set on the horizontal movement sliding rail.
5. the apparatus according to claim 1, which is characterized in that further include: lower cantalever sliding rail；The lower cantalever sliding rail is used for
The fixed long range supports lower cantalever.
6. the apparatus according to claim 1, which is characterized in that further include: object support and supporting table sliding rail to be detected；
The supporting table sliding rail is mounted on one end of rotary chuck support construction on the pedestal, sets up on the supporting table sliding rail
Object support to be detected.
7. a kind of tubular element bidimensional automatic laser thickness measuring system characterized by comprising motion-control module, data acquisition
Module, display module, work flow template and a kind of tubular element bidimensional automatic laser measuring thickness device, described device include:
One laser displacement sensor, second laser displacement sensor, alternating current generator, stepper motor and multiple limit switches；Wherein,
The motion-control module is for controlling the alternating current generator, stepper motor and multiple limit switches；
The data acquisition module is used to send out the laser of the first laser displacement sensor and second laser displacement sensor
The data such as radio frequency rate, output voltage and moving distance are initialized, are acquired, read or are stored；
The display module is shown for user input instruction and measurement result；
The work flow template for sequentially calling each module cooperative work in described device according to user instructions.
8. system according to claim 7, which is characterized in that further include: data reconstruction module and data management module；Its
In,
The data reconstruction module is for being reconstructed measurement data according to the relationship of measurement data and actual measurement location
To measurement data as a result, and keeping measurement data result corresponding with actual measurement location；
For the data management module for data to be named and stored automatically, user can be according to time of measuring and measurement type
Number etc. information data are loaded into again, carry out the retrospect and check of data.
9. system according to claim 8, which is characterized in that the data reconstruction module is also used to:
According to the measurement result of calibration sample and the reference parameter of calibration sample to first laser displacement sensor and second laser
The position of displacement sensor and distance are compensated automatically.
10. system according to claim 8, which is characterized in that the measurement data result includes: single-point numerical value, one-dimensional
Waveform and two dimensional image.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341552A (en) * | 2018-11-08 | 2019-02-15 | 中国科学院声学研究所 | A kind of tubular element bidimensional automatic laser measuring thickness device, system and method |
| CN110672021A (en) * | 2019-10-28 | 2020-01-10 | 重庆知遨科技有限公司 | Steel pipe subsection wall thickness measuring system |
| CN112304255A (en) * | 2020-12-14 | 2021-02-02 | 核工业理化工程研究院 | Long pipe assembly end jumping value detection method and detection device |
-
2018
- 2018-11-08 CN CN201821841805.9U patent/CN209459591U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341552A (en) * | 2018-11-08 | 2019-02-15 | 中国科学院声学研究所 | A kind of tubular element bidimensional automatic laser measuring thickness device, system and method |
| CN110672021A (en) * | 2019-10-28 | 2020-01-10 | 重庆知遨科技有限公司 | Steel pipe subsection wall thickness measuring system |
| CN112304255A (en) * | 2020-12-14 | 2021-02-02 | 核工业理化工程研究院 | Long pipe assembly end jumping value detection method and detection device |
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