CN110260807A - A kind of calibration and application method of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel - Google Patents
A kind of calibration and application method of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel Download PDFInfo
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- CN110260807A CN110260807A CN201910678759.8A CN201910678759A CN110260807A CN 110260807 A CN110260807 A CN 110260807A CN 201910678759 A CN201910678759 A CN 201910678759A CN 110260807 A CN110260807 A CN 110260807A
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- displacement sensor
- magnetic
- type
- laser displacement
- pedestal
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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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
-
- 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
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
- G01B21/042—Calibration or calibration artifacts
Abstract
The invention discloses the calibration and application method of a kind of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel to choose suitable magnetic-type pedestal according to the floating raft vibration isolation device measurement range peculiar to vessel for determining monitoring；Laser displacement sensor is respectively installed on the pedestal of selection, magnetic-type laser displacement sensor is assembled into；Specific calibration element is designed and produced, magnetic-type laser displacement sensor is demarcated；Carry out in-site measurement.The present invention supervises the disadvantage that laser displacement sensor range is inadequate in detection process according to floating raft vibration isolation device spacing, devise a kind of magnetic-type pedestal, it is fixedly mounted for laser displacement sensor, displacement sensor direction position-adjustable is realized, to adapt to floating raft vibration isolation device raft frame and pitch requirements different between pedestal.The present invention can in real time, continuous, each vibration isolator position height of high precision monitor, can be convenient the adjusting of damper deflection, greatly shorten raft frame installation period, improve buoyant raft installation quality and efficiency.
Description
Technical field
The invention belongs to technical field of industrial measurement, are related to shipbuilding and steel construction processing and manufacturing field, specifically relate to
And a kind of calibration and application method of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel.
Background technique
Buoyant raft is a kind of vibration and noise reducing device of efficiently isolation one group of power-equipment vibration, with the expansion of its application range
Greatly, outer dimension is also developing to large scale direction.Vibration isolator is the kernel component for realizing buoyant raft vibration and noise reducing, is floating
Raft isolation mounting plays the executive component of vibration isolation efficiency, and working condition quality directly affects the vibration isolation of entire Buoyant Raft Shock-resistant System
Efficiency.In the installation process of Buoyant Raft Shock-resistant System, since the load that vibration isolator is born carries generated deflection phase with it
It closes, therefore, in order to guarantee the accurate of vibration isolator Deformation calculation, the spatial altitude measurement work of installation process key position point is non-
Often important, the especially biggish buoyant raft of outer dimension is even more so.Precise measurement can reduce vibration isolator actual bearer and setting value it
Between difference, guarantee that Buoyant Raft Shock-resistant System plays due vibration isolation efficiency.At the same time, entire Floating Raft System installation and damper
Height adjustment generally requires more than ten days time, and the period is longer, in installation process, if can in real time, continuous, high precision monitor respectively every
Vibration device position height will can be convenient the adjusting of damper deflection, greatly shorten raft frame installation period.Therefore, in buoyant raft vibration isolation
It in device installation process, needs to be monitored its spacing moment, to improve buoyant raft installation quality and efficiency.Floating raft vibration isolation device peculiar to vessel
Structure it is as shown in Figure 1.
In order to realize the monitoring to floating raft vibration isolation device spacing, following method can be used: displacement sensor is arranged in vibration isolation
On device installation foundation, isolation mounting is leveled under rigid support state, displacement sensor numerical value is zeroed by correspondence, is removing just
Property support when making damper stress, by the numerical value of displacement sensor, the deformation of each damper can be measured, while can
Isolation mounting installation level situation is measured, according to measured value, the state of isolation mounting can be adjusted, is wanted until meeting
It asks.But the range of most of laser displacement sensor is no more than 50mm at present, and the spacing range of floating raft vibration isolation device is much super
50mm out, existing laser displacement sensor cannot be directly used to realize the monitoring to floating raft vibration isolation device spacing.
Summary of the invention
For the above-mentioned problems in the prior art, the present invention provides a kind of floating raft vibration isolation device spacing prison detections peculiar to vessel
The calibration and application method of pedestal are lacked according to laser displacement sensor range is inadequate in floating raft vibration isolation device spacing prison detection process
Point devises a kind of magnetic-type pedestal, is fixedly mounted for laser displacement sensor, realizes displacement sensor direction position
It is adjustable, to adapt to floating raft vibration isolation device raft frame and pitch requirements different between pedestal.
For this purpose, the invention adopts the following technical scheme:
A kind of scaling method of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel, comprising the following steps:
Step 1 designs and produces magnetic-type pedestal；
Laser displacement sensor is placed in magnetic-type pedestal over-assemble into magnetic-type laser displacement sensor by step 2；
Step 3 demarcates the magnetic-type laser displacement sensor after assembling.
Preferably, a calibration element is specially designed in step 3, and magnetic-type laser displacement sensor is adsorbed on calibration element
Then suitable position is demarcated.
Preferably, the calibration element meets the calibration demand of the magnetic-type laser displacement sensor of different model range, root
According to designing a model, calibration element model is finished.
Preferably, Accurate Calibration, calibrated finishing calibration element conduct are carried out to the actual size of finishing calibration element
The benchmark calibration of magnetic laser displacement sensor is used.
Preferably, the calibration for finishing calibration element is carried out using three coordinate measuring machine, the covering calibration of calibration process measurement point
All feature locations points of part, and will measure coordinate using analysis software and design a model and carry out the matching analysis.
Preferably, magnetic-type pedestal described in step 1 is mainly by magnetic pedestal, aluminum alloy body and locking screw female groove three
Part forms.
Preferably, the magnetic-type pedestal includes 3 kinds of different heights, respectively S type, M type, L-type, for adapt to buoyant raft every
Shake device raft frame and pitch requirements different between pedestal；Wherein, M type and L-type are divided into two installation sites up and down, cooperate laser displacement
Sensor realizes different range measurements.
Preferably, in step 2, need to select the magnetic-type pedestal of suitable type according to range, by laser displacement sensor
It is placed on pedestal, ajusts laser displacement sensor position, locked with locking nut, complete assembling.
A kind of application method of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel, comprises the following processes: determining the floating of monitoring
Raft vibration isolator measurement range chooses suitable magnetic-type pedestal；Laser displacement sensor is respectively installed to the magnetic-type of selection
On pedestal, magnetic-type laser displacement sensor is formed；Magnetic-type laser displacement sensor is demarcated；As needed by magnetic
Formula laser displacement sensor directly adsorbs in point position and carries out in-site measurement.
Preferably, the wired central controller of the magnetic-type laser displacement sensor collocation, data monitoring platform are used together,
In, wired central controller is responsible for being powered to laser displacement sensor, and data monitoring platform cooperates the analysis of isolation mounting status monitoring
System software realizes the acquisition of isolation mounting Condition Monitoring Data, storage, display and human-computer interaction task.
Compared with prior art, the beneficial effects of the present invention are:
(1) it devises and has made aluminium alloy structure pedestal, for installing laser displacement sensor, realize displacement sensor
Measurement direction position is adjustable, to adapt to the measurement request of floating raft vibration isolation device raft frame from spacing different between pedestal.
(2) pedestal is designed to magnetic-type, can directly adsorbs on steel construction, makes to measure more convenient.
(3) structure is simple, and the particular/special requirement not harsh to processing and fabricating installs magnetic-type laser displacement sensor group
Cheng Hou need to only be demarcated, so that it may guarantee higher measurement accuracy.
(4) easy to assembly, measurement efficiency is high, when can save required for Floating Raft System installation and damper height adjustment
Between.
(5) can in real time, continuous, each vibration isolator position height of high precision monitor, can be convenient the adjusting of damper deflection, greatly
It is big to shorten raft frame installation period, improve buoyant raft installation quality and efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of floating raft vibration isolation device peculiar to vessel.
Fig. 2 is a kind of process of the scaling method of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel provided by the present invention
Figure.
Fig. 3 is the structural schematic diagram of the magnetic-type pedestal of S type.
Fig. 4 is the structural schematic diagram of the magnetic-type pedestal of M type.
Fig. 5 is the structural schematic diagram of the magnetic-type pedestal of L-type.
Fig. 6 is the three dimensional structure diagram of calibration element.
Fig. 7 is the planar dimension figure of calibration element.
Fig. 8 is inner surface spacing detection result figure.
Fig. 9 is the result schematic diagram of measurement point the matching analysis.
Figure 10 is measuring point range deviation result figure.
Figure 11 is magnetic-type laser displacement sensor calibration software surface chart.
Figure 12 is magnetic-type laser displacement sensor calibration setting figure.
Figure 13 is transducer calibration figure.
Figure 14 is engineering information setting figure.
Figure 15 is that him is arranged in measuring point information.
Figure 16 is field monitoring schematic diagram.
Description of symbols: 1, magnetic pedestal；2, aluminum alloy body；3, locking screw female groove.Unit in attached drawing is mm.
Specific embodiment
With reference to the accompanying drawing and specific embodiment come the present invention will be described in detail, specific embodiment therein and explanation only
For explaining the present invention, but it is not as a limitation of the invention.
Embodiment
The invention discloses a kind of scaling method of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel, process such as Fig. 2 institutes
Show, the present invention supervises the disadvantage that laser displacement sensor range is inadequate in detection process according to floating raft vibration isolation device spacing, devises one
The magnetic-type laser displacement sensor of kind, for completing subsidiary, emphasis of the invention is to solve magnetic-type laser displacement sensing
The calibration of device, application method.
(1) design of magnetic-type pedestal.
Laser displacement sensor is because its precision is high, size is small, fast response time, high degree of automation, operator's labour
The advantages such as intensity is low, are widely used in fields of measurement, therefore magnetic-type pedestal is designed based on laser displacement sensor.For every
The real-time measurement of small space intrinsic displacement and size may be implemented using laser displacement sensor for the status monitoring of vibrating device, also,
High-resolution laser displacement sensor is when testee color or brightness change, still available stable measurement
As a result, the still range due to raft frame vibration isolator spacing commonly greater than laser displacement sensor, at this point, installing magnetic-type pedestal pair additional
Just there is apparent effect in laser displacement sensor measurement.Magnetic-type pedestal is mainly by magnetic pedestal 1, aluminum alloy body 2 and lock
Tight 3 three parts of nut groove composition, meanwhile, raft frame and pitch requirements different between pedestal are adapted to, has designed and produced 3 kinds of different heights altogether
Magnetic-type pedestal, respectively S type, M type, L-type, respectively as shown in Figure 3-Figure 5, wherein M type and L-type are divided to two installations up and down again
Position, cooperation laser displacement sensor realize different range measurements, and design range is as shown in table 1.Each type pedestal 4, one
Totally 12 pedestals.
The magnetic-type pedestal of table 1 designs range
| Serial number | Pedestal and installation site | It designs range (mm) |
| 1 | S type | 65~115 |
| 2 | M type is the next | 85~135 |
| 3 | M type is upper | 115~165 |
| 4 | L-type is the next | 145~195 |
| 5 | L-type is upper | 175~225 |
Structure of the invention is relatively simple, the particular/special requirement not harsh to processing and fabricating, as long as by magnetic-type pedestal and swashing
Optical displacement sensor, which is securely assembled together, forms magnetic-type laser displacement sensor, after finishing assembly, only needs to carry out
Calibration, it will be able to guarantee higher measurement accuracy.
Aluminum alloy material is due to low with density, and intensity is relatively high (near or above high-quality steel), and plasticity is good, electric conductivity,
The advantages that thermal conductivity and corrosion stability are preferable, and cheap is often processed to various profiles in industrial circle, so, magnetic
Suction pedestal is manufactured using aluminium alloy.
(2) magnetic-type laser displacement sensor assembling.
Laser displacement sensor is placed on pedestal (M, L-type by the magnetic-type pedestal for needing to select suitable type according to range
It is the next in differentiation), guarantee laser displacement sensor position as far as possible is ajusted, and guarantees not loosen with locking nut locking, completion group
Dress.
In use, directly magnetic-type laser displacement sensor is adsorbed in steel construction plane.
(3) calibration of magnetic-type laser displacement sensor.
Magnetic-type pedestal measures after combining with laser displacement sensor, needs to obtain the benchmark of combination, therefore, specially
A calibration element is designed, is demarcated after combining installation with laser displacement sensor for magnetic-type pedestal.
1. the design and processing of calibration element
Calibration element meets the magnetic-type laser displacement sensor calibration demand of different model range, design drawing such as Fig. 6 and Fig. 7
It is shown.
According to designing a model, two different materials models are finished, one is invar material, another is aluminium alloy material
Material.Invar material has smaller linear expansion coefficient, and size with temperature variation is small.
2. calibration element size is examined and determine
There are mismachining tolerances for calibration element finishing passes, therefore carry out Accurate Calibration firstly the need of to its actual size, so
It could be used afterwards as the benchmark calibration after magnetic-type pedestal and laser displacement sensor assembling.It navigates in Beijing on May 29th, 2018
Invar calibration element and aluminium alloy calibration element are examined and determine by empty precision machinery research institute, and calibration equipment is three coordinate measuring machine,
Accuracy is (1.5+L/350) μm.Inner surface spacing detection result is as shown in Figure 8.Inner surface spacing analysis of Machining result
As shown in table 2.
2 inner surface spacing analysis of Machining table of table
Verification process measurement point as shown in figure 9, using our unit's independent research the matching analysis software will measure coordinate with
The matching analysis that designs a model obtains: minimum deflection -0.0337mm, maximum deviation 0.0311mm, root-mean-square-deviation RMS=
0.0155mm, standard deviation 0.0156mm.The results are shown in Figure 10 for measuring point range deviation.
3. calibration element uses
Calibration process cooperates isolation mounting state monitoring and analysis system software to complete.Laser displacement sensor is installed to conjunction
On suitable model pedestal, pedestal is adsorbed on calibration element suitable position, is then demarcated.Magnetic-type laser displacement sensor calibration
Software interface is as shown in figure 11.
(4) use of magnetic-type laser displacement sensor.
The application method of magnetic-type laser displacement sensor is as follows: magnetic-type laser displacement sensor needs to arrange in pairs or groups wired collection
Control device, data monitoring platform are used together, wherein wired central controller is responsible for being powered to laser displacement sensor, data monitoring
Platform cooperates the acquisition of isolation mounting state monitoring and analysis system software realization isolation mounting Condition Monitoring Data, storage, display and people
Machine interactive task.Magnetic-type laser displacement sensor directly adsorbs in the point position of concern as needed.
Process for using is as follows:
(1) the vibration isolator measurement range for determining monitoring chooses suitable magnetic-type pedestal.
(2) laser displacement sensor is respectively installed on the pedestal of selection.
(3) magnetic-type laser displacement sensor is demarcated.
(4) in-site measurement is carried out.
In measurement process, the process for using of analysis system software is as follows:
(1) magnetic-type laser displacement sensor calibration information is safeguarded.Magnetic-type laser displacement sensor calibration is set
It sets as shown in figure 12, transducer calibration is as shown in figure 13.
(2) engineering and measuring point information are set.As shown in figure 14, the setting of measuring point information is as shown in figure 15 for engineering information setting.
(3) field monitoring is carried out.Field monitoring is as shown in figure 16.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to restrict the invention, it is all in spirit of the invention and
Made any modification, equivalent replacement and improvement etc., should all be included in the protection scope of the present invention within spirit.
Claims (10)
1. a kind of scaling method of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel, it is characterised in that: the following steps are included:
Step 1 designs and produces magnetic-type pedestal；
Laser displacement sensor is placed in magnetic-type pedestal over-assemble into magnetic-type laser displacement sensor by step 2；
Step 3 demarcates the magnetic-type laser displacement sensor after assembling.
2. a kind of scaling method of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel according to claim 1, feature exist
In: a calibration element is specially designed in step 3, magnetic-type laser displacement sensor is adsorbed on calibration element suitable position, then
It is demarcated.
3. a kind of scaling method of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel according to claim 2, feature exist
In: the calibration element meets the calibration demand of the magnetic-type laser displacement sensor of different model range, according to designing a model, essence
Process calibration element model.
4. a kind of scaling method of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel according to claim 3, feature exist
In: Accurate Calibration is carried out to the actual size of finishing calibration element, calibrated finishing calibration element is as magnetic laser position
The benchmark calibration of displacement sensor is used.
5. a kind of scaling method of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel according to claim 4, feature exist
In: the calibration for finishing calibration element is carried out using three coordinate measuring machine, and calibration process measurement point covers all features of calibration element
Location point, and will measure coordinate using analysis software and design a model and carry out the matching analysis.
6. a kind of scaling method of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel according to claim 1, feature exist
In: magnetic-type pedestal described in step 1 is mainly made of magnetic pedestal, aluminum alloy body and locking screw female groove three parts.
7. a kind of scaling method of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel according to claim 6, feature exist
In: the magnetic-type pedestal includes 3 kinds of different heights, respectively S type, M type, L-type, for adapting to floating raft vibration isolation device raft frame and base
Different pitch requirements between seat；Wherein, M type and L-type are divided into two installation sites up and down, and cooperation laser displacement sensor is realized not
It is measured with range.
8. a kind of scaling method of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel according to claim 1, feature exist
In: in step 2, needs to select the magnetic-type pedestal of suitable type according to range, laser displacement sensor is placed on pedestal,
Laser displacement sensor position is ajusted, is locked with locking nut, assembling is completed.
9. a kind of application method of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel, it is characterised in that: comprise the following processes: determining
The floating raft vibration isolation device measurement range of monitoring chooses suitable magnetic-type pedestal；Laser displacement sensor is respectively installed to selection
Magnetic-type pedestal on, form magnetic-type laser displacement sensor；Magnetic-type laser displacement sensor is demarcated；According to need
Magnetic-type laser displacement sensor is directly adsorbed in into point position and carries out in-site measurement.
10. a kind of application method of floating raft vibration isolation device spacing prison detection pedestal peculiar to vessel according to claim 9, feature exist
It is used together in arrange in pairs or groups wired central controller, data monitoring platform of: the magnetic-type laser displacement sensor, wherein wired central controller
Be responsible for being powered to laser displacement sensor, data monitoring platform cooperate isolation mounting state monitoring and analysis system software realization every
The acquisition of vibrating device Condition Monitoring Data, storage, display and human-computer interaction task.
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| Publication number | Publication date |
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| CN110260807B (en) | 2021-06-18 |
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