CN108692797A - Float type level gauge calibrating installation peculiar to vessel - Google Patents
Float type level gauge calibrating installation peculiar to vessel Download PDFInfo
- Publication number
- CN108692797A CN108692797A CN201810609465.5A CN201810609465A CN108692797A CN 108692797 A CN108692797 A CN 108692797A CN 201810609465 A CN201810609465 A CN 201810609465A CN 108692797 A CN108692797 A CN 108692797A
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- China
- Prior art keywords
- plate
- level gauge
- type level
- float type
- rangefinder
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/20—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention discloses a kind of float type level gauge calibrating installations peculiar to vessel comprising base platform is fixedly arranged on the rangefinder of base platform and the reflection subassembly above rangefinder;Reflection subassembly includes reflecting plate, and the middle part of reflecting plate is equipped with through-hole, and reflecting plate is equipped with the notch section for being connected to through-hole with reflecting plate edge;Reflecting plate is equipped with the first obliquity sensor, and the bottom of reflecting plate is equipped with reflecting prism and the camera for observing reflecting prism;Base platform includes bottom plate, and bottom plate is equipped with the translation base can be front and back and moved left and right, and the bottom of bottom plate is equipped with adjustable support component;Rangefinder is fixedly arranged on translation base;The bottom of rangefinder is equipped with the second obliquity sensor.The device of the invention is corrected the measurement accuracy of float type level gauge, has the advantages that high certainty of measurement after float type level gauge in-site installation.
Description
Technical field
The present invention relates to liquid level gauge calibrator (-ter) unit, more particularly to a kind of float type level gauge calibrating installation peculiar to vessel.
Background technology
For the ship of transport liquid (such as product, chemicals etc.), liquid is commonly stored in nacelle.With the storage of transporting oil
For oil tanker.There is oil storage chamber in oil storage wheel.When the liquid in oil storage chamber is transported to outboard from ship, by oil storage chamber
Float type level gauge can calculate conveying capacity.
It needs to transport in ship after float type level gauge manufacture, and is installed in nacelle.Since there are one for installation process
Fixed error before actual use, is calibrated, after float type level gauge installation to improve float type level gauge
Measurement accuracy.
Current is mainly had using calibration method:
1, the distance moved using steel tape rough measure float.Steel tape itself precision is relatively low, when measurement, due to floating
Son is circular object, it is difficult to be directed at measurement point, itself direction controlling difficulty is big, by its measurement direction of manual identified, measures and misses
Difference is difficult to estimate, measures and have little significance, it is difficult to accurate alignment float type level gauge.This method measurement accuracy is low, cannot be accurate
Measure its distance.
2, using the three-dimensional coordinate of total station survey float, three-dimensional coordinate is recycled to calculate the climb of float.Make
Tripod is needed with total powerstation, it is inconvenient to use;Float is circle, it is difficult to fixation reflex target, it can only be using no prism mould
Formula, measurement accuracy reduce;Since space limits, total powerstation vertical angle is bigger, and error is bigger, influences measurement accuracy.
Rangefinder is generally placed bottom, directly measures the climb of float by 3, hand-hold ranger, and range accuracy reaches
± (5~10) mm.Using hand-hold ranger, vertical direction is difficult to control when bottom measures, and also is difficult to realize by human hand more
Secondary duplicate measurements, precision it is difficult to ensure that.
Invention content
The technical problem to be solved by the present invention is in order to overcome drawbacks described above of the existing technology, provide a kind of peculiar to vessel floating
Minor liquid level gauge calibrating installation.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of float type level gauge calibrating installation peculiar to vessel comprising base platform, be fixedly arranged on base platform rangefinder and
Reflection subassembly above rangefinder;Reflection subassembly includes reflecting plate, and the middle part of reflecting plate is equipped with through-hole, and reflecting plate is equipped with
The notch section that through-hole is connected to reflecting plate edge;Reflecting plate is equipped with the first obliquity sensor, and the bottom of reflecting plate is equipped with instead
Penetrate prism and the camera for observing reflecting prism;Base platform includes bottom plate, and bottom plate, which is equipped with, can be front and back and to be moved left and right
Translation base, the bottom of bottom plate is equipped with adjustable support component;Rangefinder is fixedly arranged on translation base;The bottom of rangefinder is equipped with
Second obliquity sensor.
Preferably, the bottom of reflecting plate is installed with connecting rod, camera is fixedly arranged on connecting rod.Connecting rod can facilitate to taking the photograph
As the fixation of head.Meanwhile connecting rod can extend downwardly camera, to ensure camera it is observed that reflecting prism bottom
Portion.
Preferably, having adapter between reflecting prism and reflecting plate, it is bolted in reflecting plate at the top of adapter, reflects rib
The bottom of adapter is bolted at the top of mirror.By adapter, the fixation between reflecting prism and reflecting plate can be facilitated.
Preferably, the first obliquity sensor is set to the upper surface of reflecting plate, lead between the first obliquity sensor and reflecting plate
It crosses and is bolted.In this way, the measurement to the angle of inclination of reflecting plate may be implemented in the first obliquity sensor.
Preferably, the second obliquity sensor is fixed in the bottom of rangefinder by screw.In this way, both may be implemented to ranging
The measurement at the angle of inclination of instrument, and do not interfere with the output of the measurement light source of rangefinder.
Preferably, the first obliquity sensor and the second obliquity sensor are biaxial compensator.Biaxial compensator has good
Good measurement accuracy measures its offset angle in real time, the level of instrument when ensureing to measure.
Preferably, rangefinder is laser range finder.Specifically, it is precise laser distance measuring instrument.Laser range finder has high
Measurement accuracy, distance values when align mode can be accurately measured.
Preferably, translation base includes lower plywood, middle plate and top plate, lower plywood is fixedly arranged on bottom plate, lower plywood it is upper
There is the first sliding rail, the first sliding rail to be distributed along the left and right directions of lower plywood on surface, and middle plate is slidedly arranged on the first sliding rail;Middle plate
There is the second sliding rail, the second sliding rail to be distributed along the front-rear direction of middle plate for upper surface, and top plate is slidedly arranged on the second sliding rail;Rangefinder
It is fixedly arranged on top plate.Middle plate can be moved left and right along the first sliding rail, and top plate can be moved forward and backward along the second sliding rail, as a result,
Rangefinder can on translation base realize around direction movement.
Preferably, adjustable support component includes support leg and the supporting rod at the top of support leg, supporting rod has outer
Screw thread, supporting rod are arranged in bottom plate, are to be threadedly coupled between supporting rod and bottom plate.It, can be with regulating base board by turn supporting rod
At a distance from support foot bottom, have the advantages that easy to adjust.
Preferably, adjustable support component is three.Stable support may be implemented in three adjustable support components, ensures
Device when measurement can be in stable state.
The positive effect of the present invention is that:The device of the invention passes through mould after float type level gauge in-site installation
The state that quasi- floating ball rises or falls with liquid level, is corrected the measurement accuracy of float type level gauge;It is vertical by high-precision
Range unit is used for accurate measurement float range of lift, is compared with float type level gauge itself reading, and then to float-type
Liquid level gauge carries out range choosing, improves the service precision of float type level gauge, keeps float type level gauge more of practical meaning.This
Device can carry out the multiple measurement of same state, reduce measurement error.
Description of the drawings
Fig. 1 is the structural schematic diagram of present pre-ferred embodiments.
Fig. 2 is the schematic top plan view of the reflecting plate of present pre-ferred embodiments.
Fig. 3 is the use state diagram of present pre-ferred embodiments.
Specific implementation mode
A preferred embodiment is named, and completely illustrates the present invention in conjunction with attached drawing to become apparent from.
As shown in Figure 1, Figure 2 and Figure 3, a kind of float type level gauge calibrating installation peculiar to vessel comprising base platform 10, fixed
In the rangefinder 20 of base platform 10 and the reflection subassembly 30 above rangefinder 20.Rangefinder 20 is laser range finder.
Reflection subassembly 30 includes reflecting plate 40, and the middle part of reflecting plate 40 is equipped with through-hole 41, and reflecting plate 40 is equipped with through-hole
The notch section 42 being connected to reflecting plate edge.The inner wall of through-hole has slope.
Reflecting plate 40 is equipped with the first obliquity sensor 51, and the bottom of reflecting plate 40 is equipped with reflecting prism 31 and for observing
The camera 32 of reflecting prism.
First obliquity sensor 51 is set to the upper surface of reflecting plate 40, leads between the first obliquity sensor 51 and reflecting plate 40
It crosses and is bolted.First obliquity sensor 51 is biaxial compensator.
The bottom of reflecting plate 40 is installed with connecting rod 43, and camera 32 is fixedly arranged on connecting rod 43.
There is adapter 44, the top of adapter 44 to be bolted in reflecting plate 40, instead between reflecting prism 31 and reflecting plate 40
The top for penetrating prism 31 is bolted in the bottom of adapter 44.Adapter is existing common components, and details are not described herein again.
Base platform 10 includes bottom plate 11, and bottom plate 11 is equipped with the translation base 60 can be front and back and moved left and right, bottom plate 11
Bottom be equipped with adjustable support component 12.
Adjustable support component 12 includes support leg 13 and the supporting rod 14 at the top of support leg, and supporting rod has outer spiral shell
Line, supporting rod are arranged in bottom plate, are to be threadedly coupled between supporting rod 14 and bottom plate 11.Adjustable support component 12 is three.
Rangefinder 20 is fixedly arranged on translation base 60.In the present embodiment, the outer cover of rangefinder is equipped with shell 21, rangefinder with
Shell is affixed, and shell is fixed in translation base.Shell can protect rangefinder.
The bottom of rangefinder 20 is equipped with the second obliquity sensor 52.Second obliquity sensor 52 is fixed in ranging by screw
The bottom of instrument 20.Second obliquity sensor 52 is biaxial compensator.In the present embodiment, rangefinder and the equal position of the second obliquity sensor
In in shell.
Translation base 60 includes lower plywood 61, middle plate 62 and top plate 63, and lower plywood 61 is fixedly arranged on bottom plate 11, lower plywood
There is the first sliding rail (being not shown on figure), the first sliding rail to be distributed along the left and right directions of lower plywood for 61 upper surface, and middle plate 62 is slided
Set on the first sliding rail;The upper surface of middle plate 62 has the second sliding rail (being not shown on figure), and the second sliding rail is before middle plate 62
Rear direction is distributed, and top plate 63 is slidedly arranged on the second sliding rail;Rangefinder 20 is fixedly arranged on top plate 63.
Middle plate can be moved left and right along the first sliding rail, and top plate can be moved forward and backward along the second sliding rail, as a result, rangefinder
Can on translation base realize around direction movement.
The use state of the device of the invention is as shown in Figure 3.
Ship, which stores, is equipped with float type level gauge in the nacelle of liquid, float type level gauge includes tube body 102 and floating ball
103.Floating ball 103 is sheathed on tube body 102, and can be moved up and down along tube body.The both ends of tube body 102 are respectively and fixedly connected in nacelle
The bottom 101 at top (being not shown on figure) and nacelle.
After float type level gauge installation, before actual use, device using the present invention calibrates its precision.Pipe
After the notch section 42 that body 102 passes through reflecting plate 40, into the through-hole 41 of reflecting plate 40, the bottom of floating ball 103 is connected to through-hole.
Draft gear 104 is placed in the bottom of nacelle.Draft gear 104 can drive reflecting plate 40 to move up and down, make reflecting plate along
Tube body 102 moves up and down, and floating ball 103 is moved up and down with reflecting plate 40 simultaneously.In this way, floating ball can be simulated with the lifting of liquid level and
It moves up and down.
Base platform is positioned on the bottom of nacelle.Adjustable support component 12 supports base platform.Pass through rotation
Dynamic supporting rod 14, can be with the distance between the bottom 101 of regulating base board 11 and nacelle, to realize the horizontality of bottom plate.
Rangefinder 20 can on translation base realize around direction movement, to realize the fine tuning of its position,
And the light source of rangefinder is exported to the center of alignment reflecting prism 31 as far as possible.Translation base is accurately sighted for laser range finder
The minor adjustment of reflecting prism.
Camera 32 can observe reflecting prism, to determine whether the light source of rangefinder is directed at the center of reflecting prism 31.
The high certainty of measurement of laser range finder, further improves calibration accuracy.
Inclination angle of first obliquity sensor 51 for measuring reflecting plate in real time, the ranging for rangefinder compensates, to carry
High calibration accuracy.
Inclination angle of second obliquity sensor 52 for measuring rangefinder in real time, the accurate horizontality for compensating rangefinder, from
And improve calibration accuracy.
The device of the invention is risen or fallen by simulation floating ball with liquid level after float type level gauge in-site installation
State is corrected the measurement accuracy of float type level gauge;It is used for accurate measurement float by high-precision vertical distance measuring device
Range of lift is compared with float type level gauge itself reading, and then carries out range choosing to float type level gauge, improves floating
The service precision of minor liquid level gauge.The measurement accuracy of apparatus of the present invention can reach ± 0.3mm.
The device of the invention has further the advantage that:
1, the horizontality of rangefinder, reliable measuring data can accurately be compensated.
2, the horizontality that can measure reflection subassembly in real time, accurately compensates range accuracy, can more improve measurement accuracy.
3, the multiple measurement of same state can be carried out, measurement error is reduced.
4, the service precision after float type level gauge installation is improved, keeps float type level gauge more of practical meaning.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (10)
1. a kind of float type level gauge calibrating installation peculiar to vessel, which is characterized in that it includes base platform, is fixedly arranged on base platform
Rangefinder and the reflection subassembly above rangefinder;Reflection subassembly includes reflecting plate, and the middle part of reflecting plate is equipped with through-hole, reflection
Plate is equipped with the notch section for being connected to through-hole with reflecting plate edge;Reflecting plate is equipped with the first obliquity sensor, the bottom of reflecting plate
Portion is equipped with reflecting prism and the camera for observing reflecting prism;Base platform includes bottom plate, bottom plate be equipped with can it is front and back and
The bottom of the translation base moved left and right, bottom plate is equipped with adjustable support component;Rangefinder is fixedly arranged on translation base;Rangefinder
Bottom is equipped with the second obliquity sensor.
2. float type level gauge calibrating installation peculiar to vessel as described in claim 1, which is characterized in that the bottom of reflecting plate is installed with
Connecting rod, camera are fixedly arranged on connecting rod.
3. float type level gauge calibrating installation peculiar to vessel as described in claim 1, which is characterized in that reflecting prism and reflecting plate it
Between there is adapter, be bolted in reflecting plate at the top of adapter, the bottom of adapter be bolted at the top of reflecting prism.
4. float type level gauge calibrating installation peculiar to vessel as described in claim 1, which is characterized in that the first obliquity sensor is set to
The upper surface of reflecting plate is bolted between the first obliquity sensor and reflecting plate.
5. float type level gauge calibrating installation peculiar to vessel as described in claim 1, which is characterized in that the second obliquity sensor passes through
Screw is fixed in the bottom of rangefinder.
6. float type level gauge calibrating installation peculiar to vessel as described in claim 1, which is characterized in that the first obliquity sensor and the
Two obliquity sensors are biaxial compensator.
7. float type level gauge calibrating installation peculiar to vessel as described in claim 1, which is characterized in that rangefinder is laser ranging
Instrument.
8. float type level gauge calibrating installation peculiar to vessel as described in claim 1, which is characterized in that translation base includes lower layer
Plate, middle plate and top plate, lower plywood are fixedly arranged on bottom plate, and the upper surface of lower plywood has the first sliding rail, and the first sliding rail is along lower layer
The left and right directions of plate is distributed, and middle plate is slidedly arranged on the first sliding rail;The upper surface of middle plate has the second sliding rail, and the second sliding rail is in
The front-rear direction of laminate is distributed, and top plate is slidedly arranged on the second sliding rail;Rangefinder is fixedly arranged on top plate.
9. float type level gauge calibrating installation peculiar to vessel as described in claim 1, which is characterized in that adjustable support component includes
There is external screw thread, supporting rod to be arranged in bottom plate, supporting rod and bottom plate for support leg and the supporting rod at the top of support leg, supporting rod
Between for be threadedly coupled.
10. float type level gauge calibrating installation peculiar to vessel as described in claim 1, which is characterized in that adjustable support component is
Three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810609465.5A CN108692797A (en) | 2018-06-13 | 2018-06-13 | Float type level gauge calibrating installation peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810609465.5A CN108692797A (en) | 2018-06-13 | 2018-06-13 | Float type level gauge calibrating installation peculiar to vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108692797A true CN108692797A (en) | 2018-10-23 |
Family
ID=63848681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810609465.5A Pending CN108692797A (en) | 2018-06-13 | 2018-06-13 | Float type level gauge calibrating installation peculiar to vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108692797A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044444A (en) * | 2019-04-30 | 2019-07-23 | 大连海事大学 | A kind of float level meter test device |
| CN110132374A (en) * | 2019-05-20 | 2019-08-16 | 哈尔滨理工大学 | A self-compensating laser liquid level measurement system |
| CN112113526A (en) * | 2020-09-23 | 2020-12-22 | 中国核动力研究设计院 | Resin interface instrument test system and method |
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| CN104884912A (en) * | 2013-04-04 | 2015-09-02 | 阿海珐核能公司 | Method of calibrating a level sensor |
| CN104949740A (en) * | 2015-06-20 | 2015-09-30 | 中国计量科学研究院 | Automatic metrological verification device and method of liquidometers |
| CN107478306A (en) * | 2017-10-10 | 2017-12-15 | 中国计量大学 | A kind of storage tank liquid-level meter field calibration device |
| CN107702767A (en) * | 2017-09-19 | 2018-02-16 | 重庆材料研究院有限公司 | Based on the liquid level alarming switch detection method of static liquid level and its scaling method of alarming line |
| CN207231603U (en) * | 2017-10-10 | 2018-04-13 | 中国计量大学 | A kind of liquid level gauge field calibration device |
-
2018
- 2018-06-13 CN CN201810609465.5A patent/CN108692797A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104884912A (en) * | 2013-04-04 | 2015-09-02 | 阿海珐核能公司 | Method of calibrating a level sensor |
| CN104949740A (en) * | 2015-06-20 | 2015-09-30 | 中国计量科学研究院 | Automatic metrological verification device and method of liquidometers |
| CN107702767A (en) * | 2017-09-19 | 2018-02-16 | 重庆材料研究院有限公司 | Based on the liquid level alarming switch detection method of static liquid level and its scaling method of alarming line |
| CN107478306A (en) * | 2017-10-10 | 2017-12-15 | 中国计量大学 | A kind of storage tank liquid-level meter field calibration device |
| CN207231603U (en) * | 2017-10-10 | 2018-04-13 | 中国计量大学 | A kind of liquid level gauge field calibration device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044444A (en) * | 2019-04-30 | 2019-07-23 | 大连海事大学 | A kind of float level meter test device |
| CN110132374A (en) * | 2019-05-20 | 2019-08-16 | 哈尔滨理工大学 | A self-compensating laser liquid level measurement system |
| CN110132374B (en) * | 2019-05-20 | 2020-07-31 | 哈尔滨理工大学 | A self-compensating laser liquid level measurement system |
| CN112113526A (en) * | 2020-09-23 | 2020-12-22 | 中国核动力研究设计院 | Resin interface instrument test system and method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20181023 |