CN109186531A - A kind of concentration water tank type deflection metrology system - Google Patents
A kind of concentration water tank type deflection metrology system Download PDFInfo
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- CN109186531A CN109186531A CN201811126984.2A CN201811126984A CN109186531A CN 109186531 A CN109186531 A CN 109186531A CN 201811126984 A CN201811126984 A CN 201811126984A CN 109186531 A CN109186531 A CN 109186531A
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- liquid level
- water tank
- measurement
- water pipe
- ball valve
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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
- 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
- G01B21/32—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 the deformation in a solid
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- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of concentration water tank type deflection metrology system include liquid level measuring system PLC, display unit, water tank, cable, steel water pipe, measurement sensing device, lose heart gooseneck, two pass ball valves, ball valve complementary connector, piezoelectric type liquid level sensor, U-shaped card, angle iron base, attachment device, interface silently, triple valve handle, three-way ball valve, bolt, it is characterized in that, it is electrically connected by cable on piezoelectric type liquid level sensor and liquid level measuring system PLC on every set measurement sensing device, is transmitted for electric signal.Beneficial effect of the present invention, compact structure, installation is simple, installation is not limited by installation region and space, measurement accuracy is high plus water is convenient, it is not required to stand and be vented after adding water, maintenance is easy to maintain, precision convenient for check sensor, it not only provides convenience in the construction of shipyard, also reduces the triviality of user's operation and maintenance.
Description
Technical field
The present invention relates to measuring system fields, and in particular to a kind of concentration water tank type deflection metrology system is suitable for half-and-half
The related ship such as latent working ship, floating dock is in the real-time measurement with hull deformation during loading that works.
Background technique
Under the usual prior art, ship and semi-submersible type engineer operation ship of some large sizes etc. are because ship type is big, main deck is put
Hull deformation often occurs in loading or in transit, the fracture of hull can be caused when serious cargo for reasons, ship again etc., this
In the case of kind, ship needs to install a set of measuring device that can real-time monitor ship deflection deformation, so as to real-time monitoring ship
The deformation of oceangoing ship.
Currently, most of ship uses and respectively installs a horizontal steel water pipe in the pipe tunnel channel of two side of a ship of ship, then
Several vertical steel water pipes are equidistantly welded on horizontal steel water pipe, sensor are installed in vertical steel water pipe bottom, then
Feed pipe adds water, ship amount of deflection is monitored by sensor monitoring ship body deformation data, this mode is because ship to be considered is just
Often ship jolting and tilts in navigation, therefore it is required that vertical steel water pipe height is relatively high, and it is limited in the space of ship, this
Sample brings difficulty to the installation of vertical steel water pipe, and with the extension of use time, a large amount of evaporations of water in pipeline, passes
The precision of sensor measurement will be affected, and with the increase of boat length, and the clipping room of vertical steel water pipe is away from also can be with
Increase, the relative atmospheric dynamic pressure at the place of the vertical steel water pipe of different points in this way is inconsistent, measurement sensor
Measurement accuracy is by magnanimous reduction, and in addition in user in daily maintenance, this traditional mode, user is also difficult
Demolition and maintenance and addition water level are gone, and water must be added at regular intervals, must be also vented after adding water, exhaust is also required to several small
When standing；When sensor accuracy reduction or failure, it is also difficult to go to verify sensor.
Summary of the invention
The object of the invention is that in order to solve conventional apparatus is difficult to install, measurement accuracy is low, debugging and working service
The problems such as inconvenient, provides a kind of concentration water tank type deflection metrology system, and the inventive structure is small and exquisite, installation is simple, installation is not pacified
It fills that region and space limitation, measurement accuracy is high plus water is convenient, is not required to stand and be vented after adding water, maintenance is easy to maintain,
Convenient for the precision of check sensor, not only provides convenience in the construction of shipyard, also reduce the cumbersome of user's operation and maintenance
Property.
The present invention through the following technical solutions to achieve the above objectives:
A kind of concentration water tank type deflection metrology system includes liquid level measuring system PLC, display unit, water tank, cable, steel
Water pipe, measurement sensing device, lose heart gooseneck, two pass ball valves, ball valve complementary connector, piezoelectric type liquid level sensor, U-shaped card, angle
Steel base, attachment device, interface silently, triple valve handle, three-way ball valve, bolt, on described every set measurement sensing device
It is electrically connected by cable on piezoelectric type liquid level sensor and liquid level measuring system PLC, is transmitted for electric signal.
A circular hole matched with ball valve complementary connector is respectively cut in steel water pipe top and bottom, and on the circular hole
One end of upper ball valve complementary connector is welded by welding manner, it is described to be connected through a screw thread mode in the upper end complementary connector other end
One two-way valve is installed, the other end of the two-way valve assembles a discouraged gooseneck also by thread connecting mode,
The other end of place lower end complementary connector is connected through a screw thread mode and installs a three-way ball valve, and the three-way ball valve other end is logical
It crosses thread connecting mode and assembles an interface silently, the interface is silently used for effect debugging, in the third of three-way ball valve
It is connected through a screw thread mode on interface and loads onto attachment device, the other end of the attachment device is connected through a screw thread mode and installs one
A piezoelectric type liquid level sensor, the piezoelectric type liquid level sensor is connected through a screw thread by U-shaped card and bolt is fixed on angle
On steel base, the angle iron base is welded on hull steel wall.
Wherein, the steel water pipe is blocked one by way of welding blind plugging, and other end is welded by welding manner
And after connection is aggregated on a vertical steel water pipe, pass through welding in the bottom that the vertical steel water pipe is guided to self-contained water tank
Mode is attached connection, a measurement point is respectively taken in the head and the tail of left and right horizontal steel water pipe and centre, then between these points
It is equidistant to take several measurement points.
When ship needs to measure, below the load-carrying deck of measured ship on port and starboard setting two with it is main
The parallel steel water pipe of hull, the two steel water pipes in left and right are blocked one by way of welding blind plugging, and other end passes through weldering
After the mode of connecing welds and connects and be aggregated on a vertical steel water pipe, at the bottom that the vertical steel water pipe is guided to self-contained water tank
Portion is attached connection by welding manner, respectively takes a measurement point in the head and the tail of left and right horizontal steel water pipe and centre, then
It is equidistant between these points to take several measurement points, while choosing measurement point, need to guarantee the measurement points for the every side chosen
Amount is odd number.
Further, it is preferred that installed on the point that these take as measurement point 5 the equal position of unilateral selection spacing
On be respectively mounted measurement sensing device, unilateral number consecutively is P11---P15 and P21---P25, and 5 sets of every side passes through cable
Electric signal is sent in liquid level measuring system PLC by connection, the reading by liquid level measuring system PLC to each sensor information
Afterwards, relevant data are calculated, are transferred information in display unit finally by the electric signal of cable, and finally show.
The triple valve handle for measuring the three-way ball valve on sensing device, is turned the gear of attachment device；Rotation is surveyed
The handle of two pass ball valves on sensing device is measured, the gas in steel water pipe is discharged, guarantees the measurement accuracy of sensor.
The liquid level measuring system PLC 1 carries out calculating data, according in embodiment in following formula, P11-P15, P21-P25
The pressure value measured in respectively each measurement sensing device 6, calculation are as follows:
Combined deflection is left: P13- (P15+P11)/2；Preceding heel: P21-P11
Combined deflection is right: P23- (P25+P21)/2；Heel afterwards: P25-P15
Preceding amount of deflection is left: P12- (P13+P11)/2；Left trim: P15-P11
Preceding amount of deflection is right: P22- (P23+P21)/2；Right trim: P25-P21
Amount of deflection is left afterwards: P14- (P15+P13)/2；
Amount of deflection is right afterwards: P24- (P25+P23)/2；
By the size of above formula intermediate value, with real-time measurement and the amount of deflection situation of ship can be monitored, the results are shown in displays
In unit, and alarming value can be set on liquid level detection system PLC, when value of the result for measuring and calculating beyond setting, show
Show that unit can also alarm.
The interface is silently used to remove and connect outer when usually maintenance maintenance or maintenance verification debugging
Effectiveness sensor is debugged in portion, and the triple valve handle of the three-way ball valve on rotation measuring sensing device is turned effect debugging
With the gear of interface silently, the piezoelectric type liquid level sensor on measurement sensing device is verified.
Compared with prior art, beneficial effects of the present invention:
1, the present invention is using concentrating water tank type design, ensure that device plus water it is convenient, do not have to for a long time plus water, it is daily plus
Water does not have to the features such as exhaust；
2, the present invention ensure that reference atmosphere pressure spot is being concentrated at the water tank water surface, avoid using water tank type design is concentrated
The atmospheric pressure deviations of the closed different zones of ship, reduces measurement error, substantially increases the measurement of measurement sensor
Precision；
3, the present invention is avoided using concentrating water tank type design to replace traditional vertical water pipe water storage mode because of ship etc.
Jolt tilt when water swung out the case where, and concentrate water tank type installation, local only with installation measurement sensing device, make
It is simple and convenient to obtain site operation installation, greatly reduces difficulty of construction, is also improved for the maintenance of user with maintenance
It is convenient；
4, the present invention uses the triple valve handle assembled on measurement sensing device and effect debugging interface silently, Ke Yisui
When rotation triple valve handle to the water silently located of closing effect debugging interface, and back out effect debugging and silently installed afterwards with interface
Debug the effect work that effect sensor carries out sensor；
5, the present invention can in installation for the first time and again using the discouraged gooseneck that assembles on measurement sensing device and two pass ball valves
It, can be fast and convenient complete by the gas at pipeline and sensor probe after Water in Water Tank is allowed to dry when big maintenance again plus in the case where water
It emits entirely, to reduce the measurement error of device.
Detailed description of the invention
Fig. 1 is a kind of operation principle schematic diagram concentrated in water tank type deflection metrology system of the present invention.
Fig. 2 is a kind of structural representation of measurement sensing device concentrated in water tank type deflection metrology system of the present invention
Figure.
Fig. 3 is a kind of embodiment the schematic diagram of the section structure concentrated in water tank type deflection metrology system of the present invention.
In figure: 1, liquid level measuring system PLC；2, display unit；3, water tank；4, cable；5, steel water pipe；6, measurement sensing
Device；7, lose heart gooseneck；8, two pass ball valve；9, ball valve complementary connector；10, piezoelectric type liquid level sensor；11, U-shaped card；12,
The fixed angle iron base of sensor；13 attachment devices；14, interface is silently；15, triple valve handle；16, three-way ball valve；17, spiral shell
Bolt；100, refer to drauht line or more；200, larboard；300, starboard；
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
As Figure 1-Figure 2, a kind of concentration water tank type deflection metrology system includes liquid level measuring system PLC1, display unit
2, water tank 3, cable 4, steel water pipe 5, measurement sensing device 6, the gooseneck 7 that loses heart, two pass ball valves 8, ball valve complementary connector 9, pressure
Electric-type liquid level sensor 10, U-shaped card 11, angle iron base 12, attachment device 13, interface silently 14, triple valve handle 15, three-way ball
Valve 16, bolt 17, every set measures to be electrically connected by cable 4 on the piezoelectric type liquid level sensor 10 on sensing device 6.
A circular hole matched with ball valve complementary connector 9 is respectively cut in 5 top and bottom of steel water pipe, and leads on the circular hole
One end of welding manner welding upper ball valve complementary connector 9 is crossed, it is described to be connected through a screw thread mode in 9 other end of upper end complementary connector
One two-way valve 8 is installed, the other end of the two-way valve 8 assembles a discouraged gooseneck also by thread connecting mode
7, the other end of place lower end complementary connector 9 is connected through a screw thread mode and installs a three-way ball valve 16, the three-way ball valve 16
The other end is connected through a screw thread mode and assembles interface silently 14, and the interface silently 14 is debugged for effect, in threeway
It is connected through a screw thread mode on the third interface of ball valve 16 and loads onto attachment device 13, the other end of the attachment device 13 passes through
Thread connecting mode installs a piezoelectric type liquid level sensor 10, and the piezoelectric type liquid level sensor 10 passes through 11 He of U-shaped card
Bolt 17, which is connected through a screw thread, to be fixed in angle iron base 12, and the angle iron base 12 is welded on hull steel wall.
When ship needs to measure, it is arranged two on larboard 200 and starboard 300 below the load-carrying deck of measured ship
The root steel water pipe 5 parallel with main hull, the steel water pipe 5 of left and right two are stifled by one by way of welding blind plugging
On, after other end is welded by welding manner and connected and be aggregated on a vertical steel water pipe 5, by the vertical steel water pipe
5 bottoms for guiding to self-contained water tank 3 are attached connection by welding manner, head and the tail and centre in left and right horizontal steel water pipe 5
A measurement point is respectively taken, it is then equidistant between these points to take several measurement points, while choosing measurement point, need to guarantee to select
The measurement point quantity of the every side taken is odd number.
For the convenience of graphing and calculating in the present embodiment, by the measurement point quantity for choosing every side be 5 into
Row further description and explanation.
In Fig. 3, the equal position of unilateral selection spacing is installed on the point that these take and is pacified as measurement point 5
Measurement sensing device 6 is loaded onto, unilateral number consecutively is P11---P15 and P21---P25,5 sets of every side.
It is all connected with a cable 4 on piezoelectric type liquid level sensor 10 on every set measurement sensing device 6, passes through electricity
Electric signal is sent in liquid level measuring system PLC 1 by the connection of cable 4, by liquid level measuring system PLC 1 to each sensor
After the reading of information, relevant data are calculated, are transferred information in display unit 2 finally by the electric signal of cable 4, and most
It shows eventually.
To be further understood from the present embodiment, specific implementation method is as follows:
When adding water to self-contained water tank 3, water level is added to ship etc. in maximum tilt angle, guarantees that water does not spill over to be advisable,
The triple valve handle 15 for measuring the three-way ball valve 16 on sensing device 6, is turned the gear of attachment device 13；Rotation measuring
The gas in steel water pipe 5 is discharged in the handle of two pass ball valves 8 on sensing device 6, guarantees the measurement accuracy of sensor 10；Steel
Two pass ball valves 8 are closed after the completion of gas discharge in matter water pipe 5.
The cable 4 that every set measures sensor in sensing device 6 is connected with liquid level measuring system PLC 1, level gauging system
System PLC 1 is calculated, and P11-P15, P21-P25 are respectively the pressure value measured in each measurement sensing device 6 in following formula, is calculated
Mode is as follows:
Combined deflection is left: P13- (P15+P11)/2；Preceding heel: P21-P11
Combined deflection is right: P23- (P25+P21)/2；Heel afterwards: P25-P15
Preceding amount of deflection is left: P12- (P13+P11)/2；Left trim: P15-P11
Preceding amount of deflection is right: P22- (P23+P21)/2；Right trim: P25-P21
Amount of deflection is left afterwards: P14- (P15+P13)/2；
Amount of deflection is right afterwards: P24- (P25+P23)/2；
By the size of above formula intermediate value, with real-time measurement and the amount of deflection situation of ship can be monitored, the results are shown in displays
In unit 2, and alarming value can be set on liquid level detection system PLC 1, when value of the result for measuring and calculating beyond setting,
Display unit 2 can also alarm.
Interface silently 14 is used to remove when usually maintenance maintenance or maintenance verification are debugged and connect outside
Effectiveness sensor is debugged, the triple valve handle 15 of the three-way ball valve 16 on rotation measuring sensing device 6 is turned effect tune
Interface on probation silently 14 gear, to measurement sensing device 6 on piezoelectric type liquid level sensor 10 verify.
A kind of concentration water tank type deflection metrology system is using concentrating water tank type to add water, on every set measurement sensing device 6
Suitable atmospheric pressure is the atmospheric pressure on the water tank water surface, ensure that the consistent of the dynamic pressure on each sensor, so that
Measurement accuracy is higher.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.
Claims (7)
1. a kind of concentration water tank type deflection metrology system, including liquid level measuring system PLC, display unit, water tank, cable, steel
Water pipe, measurement sensing device, lose heart gooseneck, two pass ball valves, ball valve complementary connector, piezoelectric type liquid level sensor, U-shaped card, angle
Steel base, attachment device, interface silently, triple valve handle, three-way ball valve, bolt, which is characterized in that every set, which measures, to be passed
It is electrically connected by cable on piezoelectric type liquid level sensor and liquid level measuring system PLC on induction device, is transmitted for electric signal.
2. a kind of concentration water tank type deflection metrology system according to claim 1, which is characterized in that on the steel water pipe
A circular hole matched with ball valve complementary connector is respectively cut at end with lower end, and welds upper ball valve by welding manner on the circular hole
One end of complementary connector, it is described to be connected through a screw thread mode in the upper end complementary connector other end one two-way valve, institute are installed
State the other end of two-way valve and assemble a discouraged gooseneck also by thread connecting mode, place lower end complementary connector it is another
End is connected through a screw thread mode and installs a three-way ball valve, and the three-way ball valve other end is connected through a screw thread mode and assembles one
Silently, the interface is silently used for effect debugging to interface, is connected through a screw thread mode on the third interface of three-way ball valve
Attachment device is loaded onto, the other end of the attachment device is connected through a screw thread mode and installs a piezoelectric type liquid level sensor, institute
The piezoelectric type liquid level sensor stated is connected through a screw thread by U-shaped card and bolt to be fixed in angle iron base, the angle steel bottom
Seat is welded on hull steel wall.
3. a kind of concentration water tank type deflection metrology system according to claim 1, which is characterized in that the steel water pipe is logical
The mode for crossing welding blind plugging blocks one, and other end, which is welded and connected by welding manner, is aggregated into a vertical steel water pipe
After upper, connection is attached by welding manner in the bottom that the vertical steel water pipe is guided to self-contained water tank, in left and right horizontal
The head and the tail of steel water pipe and centre respectively take a measurement point, then equidistant between these points to take several measurement points.
4. a kind of concentration water tank type deflection metrology system according to claim 1, which is characterized in that when ship needs to measure
When, two steel water pipes parallel with main hull, a left side are set on port and starboard below the load-carrying deck of measured ship
Right two steel water pipes are blocked one by way of welding blind plugging, and other end is welded and connected by welding manner and is aggregated into
After on a piece vertical steel water pipe, it is attached in the bottom that the vertical steel water pipe is guided to self-contained water tank by welding manner
Connect, left and right horizontal steel water pipe head and the tail and it is intermediate respectively take a measurement point, then between these points it is equidistant take it is several
A measurement point while choosing measurement point, needs to guarantee the measurement point quantity for the every side chosen for odd number.
Further, it is preferred that installed on the point that these take as measurement point 5 the equal position of unilateral selection spacing
Measurement sensing device is installed, unilateral number consecutively is P11---P15 and P21---P25, and 5 sets of every side passes through the connection of cable
Electric signal is sent in liquid level measuring system PLC, by liquid level measuring system PLC to the reading of each sensor information after,
Relevant data are calculated, are transferred information in display unit finally by the electric signal of cable, and finally show.
5. a kind of concentration water tank type deflection metrology system according to claim 1, which is characterized in that on measurement sensing device
Three-way ball valve triple valve handle, be turned the gear of attachment device；Two pass ball valves on rotation measuring sensing device
Handle, be discharged steel water pipe in gas, guarantee the measurement accuracy of sensor.
6. a kind of concentration water tank type deflection metrology system according to claim 1, which is characterized in that the level gauging system
System PLC 1 carries out calculating data, and according in embodiment in following formula, P11-P15, P21-P25 are respectively in each measurement sensing device 6
The pressure value of measurement, calculation are as follows:
Combined deflection is left: P13- (P15+P11)/2；Preceding heel: P21-P11
Combined deflection is right: P23- (P25+P21)/2；Heel afterwards: P25-P15
Preceding amount of deflection is left: P12- (P13+P11)/2；Left trim: P15-P11
Preceding amount of deflection is right: P22- (P23+P21)/2；Right trim: P25-P21
Amount of deflection is left afterwards: P14- (P15+P13)/2；
Amount of deflection is right afterwards: P24- (P25+P23)/2；
By the size of above formula intermediate value, with real-time measurement and the amount of deflection situation of ship can be monitored, the results are shown in display units
In, and alarming value can be set on liquid level detection system PLC, when value of the result for measuring and calculating beyond setting, display is single
Member can also alarm.
7. a kind of concentration water tank type deflection metrology system according to claim 1, which is characterized in that the interface is silently used
In when usually maintenance maintenance or maintenance verification are debugged, it can remove and connect external debugging effectiveness sensor, rotation
The triple valve handle for measuring the three-way ball valve on sensing device, is turned the gear of effect debugging interface silently, to survey
Piezoelectric type liquid level sensor on amount sensing device is verified.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811126984.2A CN109186531A (en) | 2018-09-26 | 2018-09-26 | A kind of concentration water tank type deflection metrology system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811126984.2A CN109186531A (en) | 2018-09-26 | 2018-09-26 | A kind of concentration water tank type deflection metrology system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336957A (en) * | 2020-03-09 | 2020-06-26 | 江苏远望仪器集团有限公司 | Floating dock deflection accurate measurement method based on mathematical modeling |
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