CN108132022A - A kind of deformation measuring device of large diameter thin wall babinet - Google Patents
A kind of deformation measuring device of large diameter thin wall babinet Download PDFInfo
- Publication number
- CN108132022A CN108132022A CN201711271153.XA CN201711271153A CN108132022A CN 108132022 A CN108132022 A CN 108132022A CN 201711271153 A CN201711271153 A CN 201711271153A CN 108132022 A CN108132022 A CN 108132022A
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- Prior art keywords
- thin
- walled tank
- knife rest
- wall
- large diameter
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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
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
-
- 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
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
A kind of deformation measuring device of large diameter thin wall babinet, is related to structure measurement field；A kind of deformation measuring device of large diameter thin wall babinet, including thin-walled tank, technique ring, support rotating device, lathe, knife rest pedestal, knife rest, cutter, supporting rack, laser sensing device assembly；Technique ring is coated on the outer wall at the axial both ends of thin-walled tank；Support rotating device is separately positioned on the bottom of both ends technique ring；Lathe is vertically arranged in the side of thin-walled tank；Knife rest pedestal level is fixedly mounted on the middle part of lathe；Knife rest is coaxially fixedly mounted on one end of knife rest pedestal, and is directed toward thin-walled tank；Cutter is fixedly mounted on axial one end of knife rest, and cutter is contacted with the outer wall of thin-walled tank；Supporting rack is fixedly mounted on the upper surface of pedestal；Laser sensing device assembly is fixedly mounted on the upper surface of supporting rack, and is directed toward thin-walled tank outer wall；The present invention realizes the shell of column face distortion measurement of large diameter thin wall tank.
Description
Technical field
The present invention relates to a kind of structure measurement field, particularly a kind of deformation measuring device of large diameter thin wall babinet.
Background technology
Large thin-wall metallic tank will pass through transhipment, lifting from completing the production into surface spraying and uniform thickness process
Operation and internal stress release are uneven etc., and the aggravation for inevitably generating the geometry deformation and surface microscopic recess degree of babinet shows
As particularly with the shell of column of large diameter thin wall metallic tank, this phenomenon becomes apparent；The aggravation of babinet shell of column surface indentation degree reaches
To have an adverse effect to a certain extent to spraying and uniform thickness processing effect.
Existing processing method be using sensor measurement babinet apart from while, generate processing program in real time, and control knife
Axis, which is retreated, realizes foamed plastics processing.Outer mold surface after foamed plastics machines is identical with metal cabinet, and there are portions
The problem of variation of type face is excessive.And existing process equipment lacks accurate measurement and the recording device in metal mold face, there are data
It can not recall, the problem of foamed plastics type face deviation is difficult to quantify.
Invention content
It is an object of the invention to overcome the above-mentioned deficiency of the prior art, the deformation for providing a kind of large diameter thin wall babinet is surveyed
Measure device, realize the shell of column face distortion measurement of large diameter thin wall tank, before spraying to shell of column surface deformation level index into
Row analysis, the optimization for the surfactant foam plastics uniform thickness working process parameter after spraying provide theoretical foundation.
The above-mentioned purpose of the present invention is achieved by following technical solution：
A kind of deformation measuring device of large diameter thin wall babinet, including thin-walled tank, technique ring, support rotating device, machine
Bed, knife rest pedestal, knife rest, cutter, supporting rack, laser sensing device assembly and column；Wherein, thin-walled tank is cylinder-like structure；
Thin-walled tank is horizontal positioned；Technique ring is coated on the outer wall at the axial both ends of thin-walled tank；Support rotating device is separately positioned on
The bottom of both ends technique ring；Lathe is vertically arranged in the side of thin-walled tank；Knife rest pedestal level is fixedly mounted in lathe
Portion；Knife rest is coaxially fixedly mounted on one end of knife rest pedestal, and is directed toward thin-walled tank；Cutter is fixedly mounted on axial the one of knife rest
End, and cutter is contacted with the outer wall of thin-walled tank；Column is fixedly mounted on the upper surface of knife rest pedestal；Supporting rack is fixedly mounted on
The upper surface of column；Laser sensing device assembly is fixedly mounted on the upper surface of supporting rack, and is directed toward thin-walled tank outer wall.
In a kind of deformation measuring device of above-mentioned large diameter thin wall babinet, the support rotating device is idler wheel knot
Structure；Rotating device is supported to realize the rolling movement to thin-walled tank by rotation.
In a kind of deformation measuring device of above-mentioned large diameter thin wall babinet, the knife rest pedestal under the drive of lathe,
It realizes using thin-walled tank as the center of circle, 18-22 ° of axial-rotation.
In a kind of deformation measuring device of above-mentioned large diameter thin wall babinet, support frame as described above is flexibly connected with column；Branch
Support using with column tie point as the center of circle, circumferentially rotatable 8-10 °.
In a kind of deformation measuring device of above-mentioned large diameter thin wall babinet, the knife rest pedestal under the drive of lathe,
Realize the translation along thin-walled tank axial direction.
In a kind of deformation measuring device of above-mentioned large diameter thin wall babinet, the laser sensing device assembly includes laser
Sensor, telescopic block and slide bearings；Wherein, slide bearings are sleeved on the outer wall of supporting rack；Telescopic block is fixedly mounted on cunning
The upper surface of dynamic support base；Laser sensor is axially fixed mounted on axial one end of telescopic block；Pass through slide bearings edge
The slip of supporting rack axial direction drives laser sensor translation, realizes the outer wall spacing to driving laser sensor and thin-walled tank
Adjustment.
In a kind of deformation measuring device of above-mentioned large diameter thin wall babinet, the measurement range of the laser sensor is 50
~300mm；Spot diameter is 0.3mm；Resolution ratio is 50um；The linearity is ± 0.1%；Sample frequency is 50kHz.
In a kind of deformation measuring device of above-mentioned large diameter thin wall babinet, the head end of the laser sensor is store away from thin-walled
The outer wall 145-155mm of case.
The present invention has the following advantages that compared with prior art：
(1) present invention has showed carries out practical measurement to the babinet shell of column of existing specification testpieces, is carried out using measurement result
Deflection analysis calculates metal surface deformation to surface topography data, and foundation is provided for coating quality inspection, meanwhile, utilize survey
It measures data and carries out machining simulation calculating, processing on real-time technological parameter is optimized according to machining simulation result, be process safety
And it improves machining accuracy and foundation is provided；
(2) present invention employs long distance and high precision CCD laser displacement sensors, which employs CCD as light
Receiving element and 32 ultrahigh speed risc processors are to provide signal processing, no matter target surface properties, Dou Nengti
For high-precision measurement, and substantially type minifier head portrait is poor for unique optical system, can reach the spot diameter of 0.3mm, makes target
Object surface profile is accurately measured.
Description of the drawings
Fig. 1 is deformation measuring device schematic diagram of the present invention；
Fig. 2 is shape laser sensor component diagram of the present invention.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments：
The present invention proposes a kind of shell of column face distortion measurement method of large diameter thin wall tank, devises a set of measure and fills
It puts, solves the problems, such as the measurement of tank shell of column face surface deformation ripple, realize the shell of column face distortion measurement of large diameter thin wall tank,
And shell of column surface deformation degree surface indentation degree index is analyzed before spraying, for the surfactant foam plastics uniform thickness after spraying
The optimization of working process parameter provides theoretical foundation.
It is as shown in Figure 1 deformation measuring device schematic diagram, as seen from the figure, a kind of distortion measurement dress of large diameter thin wall babinet
It puts, including thin-walled tank 1, technique ring 2, support rotating device 3, lathe 4, knife rest pedestal 5, knife rest 6, cutter 7, supporting rack 8, swashs
Optical sensor components 9 and column 10；Wherein, thin-walled tank 1 is cylinder-like structure；Thin-walled tank 1 is horizontal positioned；Technique ring 2 wraps
Overlay on the outer wall at the axial both ends of thin-walled tank 1；Support rotating device 3 is separately positioned on the bottom of both ends technique ring 2；Lathe 4
It is vertically arranged in the side of thin-walled tank 1；5 level of knife rest pedestal is fixedly mounted on the middle part of lathe 4；Knife rest 6 is coaxially fixed to pacify
Mounted in one end of knife rest pedestal 5, and it is directed toward thin-walled tank 1；Cutter 7 is fixedly mounted on axial one end of knife rest 6, and cutter 7 with
The outer wall contact of thin-walled tank 1；Column 10 is fixedly mounted on the upper surface of knife rest pedestal 5；Supporting rack 8 is fixedly mounted on column 10
Upper surface；Laser sensing device assembly 9 is fixedly mounted on the upper surface of supporting rack 8, and is directed toward 1 outer wall of thin-walled tank.
Wherein, support rotating device 3 is roller structure；Rotating device 3 is supported to realize the rolling to thin-walled tank 1 by rotation
Transhipment is dynamic.Knife rest pedestal 5 realized with thin-walled tank 1 under the drive of lathe 4 as the center of circle, 18-22 ° of axial-rotation.Supporting rack 8
It is flexibly connected with column 10；Supporting rack 8 using with 10 tie point of column as the center of circle, circumferentially rotatable 8-10 °.Knife rest pedestal 5 is stated to exist
Under the drive of lathe 4, realize along the axial translation of thin-walled tank 1.
Laser sensing device assembly 9 includes laser sensor 9-1, telescopic block 9-2 and slide bearings 9-3；Wherein, branch is slided
Support seat 9-3 is sleeved on the outer wall of supporting rack 8；Telescopic block 9-2 is fixedly mounted on the upper surface of slide bearings 9-3；Laser sensing
Device 9-1 is axially fixed mounted on axial one end of telescopic block 9-2；Pass through cunnings of the slide bearings 9-3 along 8 axial direction of supporting rack
It is dynamic, laser sensor 9-1 translations are driven, realize the adjustment of the outer wall spacing to driving laser sensor 9-1 and thin-walled tank 1.
The measurement range of laser sensor 9-1 is 50~300mm；Spot diameter is 0.3mm；Resolution ratio is 50um；Linearly
Spend is ± 0.1%；Sample frequency is 50kHz.Outer wall 145-155mm of the head end of laser sensor 9-1 away from thin-walled tank 1.
A kind of shell of column face distortion measurement method of large diameter thin wall babinet, it is characterised in that realize that step is as follows：
The first step：9 measurement point of vertical direction adjustment laser sensing device assembly is raised to 1 radial height of thin-walled tank, Ran Houshui
Square make laser sensing device assembly 9 to 1 surface distance of thin-walled tank for 150mm or so to adjustment, hereafter horizontal direction is no longer moved
Dynamic, 9 measured value of laser sensing device assembly is only deformed with 1 axial direction of thin-walled tank and is changed, and laser sensing device assembly 9 is in difference
The measured value of measuring point can react the deformation on 1 surface of thin-walled tank.
Second step：By moving horizontally lathe 4, laser sensor 9-1 is made to be directed at the thin-walled tank of 2 inside of one end technique ring
1；Mobile machine tool 4 makes knife rest pedestal 5 be moved horizontally to the inside of other end technique ring 2；Laser sensor 9-1 in moving process
1 surface of thin-walled tank is measured, completes the measurement of a busbar.
Third walks：By supporting rotating device 3 that thin-walled tank 1 is made to rotate by a certain angle, step 2 is repeated, completes another item
The measurement of busbar, and so on until completing the DATA REASONING in entire type face.
4th step：The babinet cylindrical section surface data that measuring system measures is analyzed, finally provides and case is described below
Body deformation data：(1) babinet maximum overall deformation amount, the i.e. deviation of measurement data maximum value and minimum value are provided.(2) change is provided
The circumferential position and circular order of shape amount maximum.(3) the busbar position of deflection maximum and rectangular co-ordinate curve are provided.(4) it uses
Patterned mode provides babinet shell of column overall deformation situation.(5) any one circumference and any one busbar can be selected, and
It observes it and deforms maximum amplitude and maximum recess slope, representative region can further carry out machining simulation analysis.
The content not being described in detail in description of the invention belongs to the known technology of those skilled in the art.
Claims (8)
1. a kind of deformation measuring device of large diameter thin wall babinet, it is characterised in that：Including thin-walled tank (1), technique ring (2),
Support rotating device (3), lathe (4), knife rest pedestal (5), knife rest (6), cutter (7), supporting rack (8), laser sensing device assembly
(9) and column (10)；Wherein, thin-walled tank (1) is cylinder-like structure；Thin-walled tank (1) is horizontal positioned；Technique ring (2) coats
Outer wall at the axial both ends of thin-walled tank (1)；Support rotating device (3) is separately positioned on the bottom of both ends technique ring (2)；Machine
Bed (4) is vertically arranged in the side of thin-walled tank (1)；Knife rest pedestal (5) level is fixedly mounted on the middle part of lathe (4)；Knife rest
(6) coaxial one end for being fixedly mounted on knife rest pedestal (5), and it is directed toward thin-walled tank (1)；Cutter (7) is fixedly mounted on knife rest (6)
Axial one end, and cutter (7) is contacted with the outer wall of thin-walled tank (1)；Column (10) is fixedly mounted on the upper of knife rest pedestal (5)
Surface；Supporting rack (8) is fixedly mounted on the upper surface of column (10)；Laser sensing device assembly (9) is fixedly mounted on supporting rack (8)
Upper surface, and be directed toward thin-walled tank (1) outer wall.
2. a kind of deformation measuring device of large diameter thin wall babinet according to claim 1, it is characterised in that：The branch
It is roller structure to support rotating device (3)；Rotating device (3) is supported to realize the rolling movement to thin-walled tank (1) by rotation.
3. a kind of deformation measuring device of large diameter thin wall babinet according to claim 2, it is characterised in that：The knife rest
Pedestal (5) is realized with thin-walled tank (1) as the center of circle, 18-22 ° of axial-rotation under the drive of lathe (4).
4. a kind of deformation measuring device of large diameter thin wall babinet according to claim 3, it is characterised in that：The support
Frame (8) is flexibly connected with column (10)；Supporting rack (8) using with column (10) tie point as the center of circle, circumferentially rotatable 8-10 °.
5. a kind of deformation measuring device of large diameter thin wall babinet according to claim 4, it is characterised in that：The knife rest
Pedestal (5) realizes the translation along thin-walled tank (1) axial direction under the drive of lathe (4).
6. a kind of deformation measuring device of large diameter thin wall babinet according to claim 5, it is characterised in that：The laser
Sensor module (9) includes laser sensor (9-1), telescopic block (9-2) and slide bearings (9-3)；Wherein, slide bearings
(9-3) is sleeved on the outer wall of supporting rack (8)；Telescopic block (9-2) is fixedly mounted on the upper surface of slide bearings (9-3)；Laser
Sensor (9-1) is axially fixed mounted on axial one end of telescopic block (9-2)；By slide bearings (9-3) along supporting rack
(8) axial slip drives laser sensor (9-1) to translate, and realizes to driving laser sensor (9-1) and thin-walled tank (1)
Outer wall spacing adjustment.
7. a kind of deformation measuring device of large diameter thin wall babinet according to claim 6, it is characterised in that：The laser
The measurement range of sensor (9-1) is 50~300mm；Spot diameter is 0.3mm；Resolution ratio is 50um；The linearity for ±
0.1%；Sample frequency is 50kHz.
8. a kind of deformation measuring device of large diameter thin wall babinet according to claim 7, it is characterised in that：The laser
Outer wall 145-155mm of the head end of sensor (9-1) away from thin-walled tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711271153.XA CN108132022A (en) | 2017-12-05 | 2017-12-05 | A kind of deformation measuring device of large diameter thin wall babinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711271153.XA CN108132022A (en) | 2017-12-05 | 2017-12-05 | A kind of deformation measuring device of large diameter thin wall babinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108132022A true CN108132022A (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711271153.XA Pending CN108132022A (en) | 2017-12-05 | 2017-12-05 | A kind of deformation measuring device of large diameter thin wall babinet |
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| Country | Link |
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| CN (1) | CN108132022A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470235A (en) * | 2019-08-05 | 2019-11-19 | 武汉科技大学 | Rocket cargo tank structure Light deformation detection device and method |
| CN111330782A (en) * | 2020-03-31 | 2020-06-26 | 航天材料及工艺研究所 | Gluing system and gluing method suitable for surface of large-size thin-wall workpiece |
| CN113218330A (en) * | 2021-04-27 | 2021-08-06 | 大连理工大学 | PCL (polycaprolactone) -library-based large-scale thin-wall component measuring and data processing method |
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Application publication date: 20180608 |