CN103558145B - Simulation device for ocean wetting-drying test - Google Patents
Simulation device for ocean wetting-drying test Download PDFInfo
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- CN103558145B CN103558145B CN201310564811.XA CN201310564811A CN103558145B CN 103558145 B CN103558145 B CN 103558145B CN 201310564811 A CN201310564811 A CN 201310564811A CN 103558145 B CN103558145 B CN 103558145B
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Abstract
The invention belongs to the field of simulation of physical tests on ocean structures, and in particular relates to a simulation device for an ocean wetting-drying test. The simulation device for the ocean wetting-drying test comprises a support mechanism, a communicating device, a driving mechanism, a control system and air-drying devices, wherein the support mechanism is driven to ascend and descend by the driving mechanism; the control system is used for controlling the cycle period and cycle number of the test by controlling the motion and stopping of the driving mechanism; the air-drying devices are used for simulating ocean breeze to create an environment close to an actual ocean environment. The device can run stably in a test process; sample cells with different sizes can be selected in the test process, so that the testing requirements of samples with different sizes can be met; an internal space can be adjusted through a movable clamping plate, and sample cells smaller than the largest sample cell frame can be fixed; small holes are formed in bottom plates of sample plates in the sample cells, and the bottom plates form concave surfaces, so that residual water is eliminated, and a test result can be reliable; a bracket is simple in structure, easy to machine and material-saving.
Description
Technical field
The invention belongs to marine structure physical test simulation field, particularly, relate to a kind of ocean wetting-drying test analogue means.For the corrosion environment in laboratory certain condition (cycle period, cycle index) mesotidal range district, Imitating ocean.
Background technology
Along with China carries forward vigorously blue ocean expanding economy, a large amount of marine infrastructure are built, and marine corrosion problem is more outstanding, and research marine corrosion mechanism becomes a focus.The tide bulge and fall of ocean every day and the drying and watering cycle that waves splash about causes are one of key factors causing marine corrosion.At present, experimental provision for simulating ocean environment drying and watering cycle respectively has relative merits, for example, the patent No. is in a kind of automatic dry-wet circulation test device of 200610069586.2, the electricity components such as multiple solenoid valves, sensor, control panel and relay are applied, the data of will computerizeing control in addition, although greatly increased stability and the fiduciary level of experiment, cost is higher.The drying and watering cycle experimental provision that the patent No. is ZL200620060304.8 for another example, cost is lower, simple in structure, but the sample that makes in service is moved, and may increase the variable of experiment, thereby can cause experimentation unstable.
At present, the utility model patent that the patent No. is ZL201320181312.8 discloses a kind of drying and watering cycle experimental provision, and sample groove is on the top of left and right support, and center of gravity is too high, can cause unstable in experimentation.Sample groove is directly fixed on the support of left and right, cannot be varying sized, in the time that in experiment, sample used is too large, be just difficult to apply this device, if the too little waste that will cause medium solution of sample.Sample board bottom in sample groove is dull and stereotyped, will easily cause so the unclean phenomenon of current, the result of impact experiment.Second holder part front and back span is excessive, not only can make processing technology complicate, and also can cause waste of material, and moulding is not attractive in appearance yet.In addition, having applied two motor in this device, is in fact unnecessary, just enough completes with a motor.These above factors can cause device operational process unstable, dumb, and waste material, and experimentation has significant limitation, can not provide reliable sample for subsequent experimental.
Summary of the invention
In order to solve existing deficiency in prior art, the invention provides a kind of ocean wetting-drying test analogue means, for simulating the corrosion environment in mesotidal range district, ocean.
For achieving the above object, the technical solution adopted in the present invention is as follows:
A kind of ocean wetting-drying test analogue means, comprising: supporting mechanism, communication apparatus, driving mechanism, control system, air-dry apparatus; The lifting of supporting mechanism 1 is to be driven by driving mechanism, and control system is by controlling the motion of driving mechanism and stopping controlling cycle period and the cycle index of experiment; Air-dry apparatus simulation sea wind, laminating ocean actual environment.
With respect to prior art, the present invention has following advantage:
1, in experimentation, device operation is more stable: the position of sample groove is reduced in the sample truss of the left and right sides, the center of gravity of device is reduced.
2, in experimentation, can select the sample groove varying in size, can meet the experiment that sample size is different: on sample truss, be provided with can be movable clamping plate, its inner space can regulate by clamping plate, can fixedly be less than the maximum sized sample groove of sample truss.
3, in experimentation, device operation is more reliable: the base plate of the inner sample board of sample groove is provided with aperture, and is a concave surface, when sample groove does not have the existence of residual water during in drying regime on sample board, makes experimental result more reliable.
4, supporting structure is succinct, and easily processing, saves material.
Brief description of the drawings
Fig. 1 is the one-piece construction schematic diagram of wetting-drying test analogue means in ocean of the present invention;
Fig. 2 is the perspective view of wetting-drying test analogue means in ocean of the present invention;
Fig. 3 is supporting mechanism and the driving mechanism structure schematic diagram of wetting-drying test analogue means in ocean of the present invention;
Fig. 4 is the communication apparatus structural representation of wetting-drying test analogue means in ocean of the present invention;
In figure: 1, supporting mechanism, 2, communication apparatus, 3, driving mechanism, 4, control system, 5, air-dry apparatus, 11, base, 12, perpendicular support, 13, entablature, 14, sill, 15, sample truss, 16, clamping plate, 17, trip bolt, 18, otic placode, 19, rubber layer, 21, sample groove, 22, flexible pipe, 23, sample board base plate, 24, sample board column, 25, sample board feet, 26, sample holder, 31, stepper motor, 32, stepper motor base, 33, pinion wheel, 34, sill half gear, 51, air-dry apparatus pedestal, 52, swan neck, 53, motor, 54, fan wing.
Embodiment
As shown in Figure 1 and Figure 2, ocean wetting-drying test analogue means, comprising: supporting mechanism 1, communication apparatus 2, driving mechanism 3, control system 4, air-dry apparatus 5; Supporting mechanism 1, for keeping the stable of ocean wetting-drying test analogue means, is realized the lifting of two ends, analogue means left and right sample truss 15 (as shown in Figure 3).The lifting of supporting mechanism 1 is to be rotated by stepper motor 31 (as shown in Figure 3) driven gear in driving mechanism 3, realizes by the engaged transmission between gear; Control system 4 is by controlling the motion of driving mechanism 3 and stopping controlling the parameter such as cycle period and cycle index of experiment; Air-dry apparatus 5 can be simulated sea wind, laminating ocean actual environment.
As shown in Figure 3, supporting mechanism 1, comprising: base 11, perpendicular support 12, entablature 13, sill 14, two sample truss 15, two clamping plate 16 and four trip bolts 17; Base 11 is a rectangular slab, and Si Jiaochu is provided with feet; Perpendicular support 12 is made up of two long laths that be arranged in parallel, and perpendicular support 12 is fixed on the middle part of base 11; Middle part and the top of the long lath of perpendicular support 12 are equipped with pin-and-hole; The stock that entablature 13 is rectangle for cross section, entablature 13 center, two ends all arrange pin-and-hole; The stock that sill 14 is rectangle for cross section, sill 14 is with sill half gear 34, and sill 14 center, two ends all arrange pin-and-hole; The half that sill half gear 34 is whole gear, the center of circle of sill half gear 34 overlaps with the pin-and-hole at sill 14 centers; The length of entablature 13, sill 14 is identical; Entablature 13 is connected by bearing pin with the pin-and-hole on perpendicular support 12 tops by middle part pin-and-hole; Sill 14 is connected by bearing pin with the pin-and-hole at perpendicular support 12 middle parts by the pin-and-hole at middle part.
Sample truss 15 is for there being the cylinder of end uncovered, and cylinder both sides are cut a part along bus, are " U " type, the both sides cylindrical wall height difference of " U " type; On the cylindrical wall of the higher side of " U " type, be provided with two pairs of otic placodes 18 along same bus, and the inwall of the cylindrical wall of this higher side is provided with rubber layer 19; On the cylindrical wall of the lower side of " U " type, be provided with two tapped through holes along same bus.Clamping plate 16 are a cambered plate, are placed in sample truss 15, and the size of cambered plate is identical with the size of a lower side cylindrical wall on sample truss 15; The cambered surface inner side of clamping plate 16 is provided with rubber layer 19, and cambered surface outside is provided with two blind holes; Two blind holes are corresponding with two tapped through holes of sample truss 15; Trip bolt 17 is long spiro nails, and end is without screw thread; Two tapped through hole threaded engagement on trip bolt 17 and sample truss 15; In blind hole on the end jacking clamping plate 16 of trip bolt 17, and can in blind hole, rotate freely.
As shown in Figure 4, communication apparatus 2, comprising: two sample grooves 21, flexible pipe 22, two sample board base plates 23 and Duo Gen sample board columns 24.
Sample groove 21 is right cylinder or rectangular parallelepiped, is made up of corrosion-resistant material, and the bottom of sample groove 21 is provided with aperture; Two sample grooves 21 are placed in respectively two the sample truss 15 in left and right (as shown in Figure 3), and fastening by clamping plate 16 by trip bolt 17; Two sample grooves 21 are connected by flexible pipe 22 by small hole at bottom part, and left and right sample groove 21 and flexible pipe 22 form one can be along with the linker of sample truss 15 (as shown in Figure 3) lifting.When the sample groove on the left side is during higher than the sample groove on the right, medium solution will flow in the sample groove on the right, otherwise, will flow in the sample groove on the left side, make in sample groove in dry or wetting environment.If while changing medium solution, unclamp trip bolt 17 (as shown in Figure 3), take off sample groove replaceable.
Sample board base plate 23 is plectane or rectangular slab, adapts with sample groove, and sample board base plate 23 is placed in sample groove; Sample board base plate 23 bottom surfaces are provided with three feets 25, keep certain distance with the bottom of sample groove, also can not have much impact to experiment even if sample trench bottom has a small amount of medium solution; On sample board base plate 23, have the threaded hole that aperture, edge are provided with multiple ring shooting; The upper surface of sample board base plate 23 is the face of depression low between edge senior middle school, ensures, when sample groove is during in drying regime, can not leave remaining medium solution on base plate.Sample board column 24 is elongated round bar, and bottom is provided with screw thread, to coordinate with the threaded hole on sample board base plate 23, and can be according to the quantity of how many definite sample board columns 24 of sample; Sample board column 24 tops are provided with sample holder 26, and sample is played to fixing effect.
As long as rotation trip bolt 17, the just mobile clamping plate 16 of energy, make the space of sample truss 15 inside become large or diminish, thereby the sample groove of different size are fixed, and can meet the experiment that sample size is different, and can reduce the waste of medium solution.Simultaneously, the rubber layer 19 of the inner side of sample truss 15 matches with the rubber layer 19 of clamping plate 16 inner sides, and better geometrical clamp sample groove therein increases sample truss 15 and the friction force of clamping plate 16 to sample groove, and can play the effect that cushions shock-absorbing, make experimentation more stable.
The pin-and-hole at entablature 13 and sill 14 two ends is connected by bearing pin with the pin-and-hole on the otic placode 18 of the sample truss 15 of the left and right sides respectively; Entablature 13, sill 14 and left/right sample truss 15 form parallelogram sturcutre; Parallelogram sturcutre advantage is: no matter sample truss 15 is in any position, can keep vertical state; Ensure that the medium solution in sample groove can not overflow because of the inclination of sample truss 15.
The pin-and-hole at perpendicular support 12 middle parts and the distance of base 11 are greater than the height of sample truss 15, guarantee that the lifting distance of sample truss 15 is greater than the height of itself, thereby guarantee is in the time that sample truss 15 is raised to peak, medium solution can flow to completely in the sample groove of opposite side from the sample groove of a side, makes to realize and being dried or wetting environment in sample groove.
As shown in Figure 3, driving mechanism 3, comprising: stepper motor 31, stepper motor base 32 and pinion wheel 33.
The bottom of stepper motor 31 is provided with stepper motor base 32, and stepper motor base 32 is fixed on base 11; Pinion wheel 33 is contained on the main shaft of stepper motor 31; Stepper motor 31 drives pinion wheel 33 to rotate by motor shaft; Pinion wheel 33 drives sill half gear 34 to rotate around the middle pin-and-hole of sill 14; Because sill 14 and sill half gear 34 are bonded together, sill 14 also can rotate around its middle pin-and-hole, makes sill 14 two ends, left and right rise or decline, and realizes the lifting process of sample truss 15.
Time, the revolution that control system 4 control step motors 31 rotate and turning to, and then control the angle and direction that sill half gear 34 rotates, thereby the lifting of Control Assay truss 15, realize the process of drying and watering cycle.Control system 4 can be set the T.T. of the cycle of drying and watering cycle and the number of times of drying and watering cycle or drying and watering cycle, reaches the number of times of drying and watering cycle or the T.T. of drying and watering cycle, and system stops automatically.
As shown in Figure 1 and Figure 2, air-dry apparatus 5 left and right respectively arrange one, and each air-dry apparatus comprises: air-dry apparatus pedestal 51, swan neck 52, motor 53, fan wing 54; Air-dry apparatus pedestal 51 is fixed on the top of perpendicular support 12 (as shown in Figure 3); One end of swan neck 52 is connected on air-dry apparatus pedestal 51, and the other end is connected on motor 53, and motor 53 drives fan wing 54 to rotate; The half that the length of swan neck 52 exceedes entablature 13 (as shown in Figure 3) length add the maximum sized of sample truss 15 (as shown in Figure 3) and, guarantee that the wind energy that fan produces gets at the each position that reaches sample truss 15 (as shown in Figure 3).The control line of motor 53 is by swan neck 52 and perpendicular support 12(as shown in Figure 3) metering-in control system 4; The startup of motor 53 stops being controlled by control system 4.Because swan neck 52 has certain sizing intensity, swan neck 52 can arbitrarily be adjusted the position of fan, makes the experimentation reality of more fitting.
Wetting-drying test analogue means in ocean of the present invention is simulated Tidal zone, ocean for laboratory, can realize the corrosion environment of ocean drying and watering cycle at certain condition (cycle period, cycle index) Imitating, utilize the concordant principle everywhere of liquid level in linker, by lifting left and right sample truss, medium solution is flow in the sample groove on the left side or the right, thereby make the environment of sample groove in dry or moisture state.Entirety adopts parallelogram sturcutre, can keep sample truss always in vertical state, ensures that medium solution can be because inclination is overflowed.Sample truss can adapt to the sample groove of different sizes, meets the experiment that sample size is different.Can be good at simulating the corrosion environment of ocean drying and watering cycle, for follow-up electrochemistry experiment provides certain material base.
Claims (8)
1. an ocean wetting-drying test analogue means, comprising: supporting mechanism, communication apparatus, driving mechanism, control system, air-dry apparatus; The lifting of supporting mechanism is driven by driving mechanism, and control system is by controlling the motion of driving mechanism and stopping controlling cycle period and the cycle index of experiment; Air-dry apparatus simulation sea wind, laminating ocean actual environment;
Supporting mechanism, comprising: base, perpendicular support, entablature, sill, two sample truss, two clamping plate and four trip bolts; Base is a rectangular slab, and Si Jiaochu is provided with feet; Perpendicular support is made up of two long laths that be arranged in parallel, and perpendicular support is fixed on the middle part of base; Middle part and the top of the long lath of perpendicular support are equipped with pin-and-hole; Entablature is that cross section is the stock of rectangle, and center, the two ends of entablature all arrange pin-and-hole; Sill is that cross section is the stock of rectangle, and sill is with half gear, and the center of sill, two ends all arrange pin-and-hole; The half that half gear of sill is whole gear, the center of circle of half gear overlaps with the pin-and-hole at sill center; The length of entablature, sill is identical; Entablature is connected by bearing pin with the pin-and-hole of perpendicular cantilever tip by middle part pin-and-hole; Sill is connected by bearing pin by the pin-and-hole at middle part and the pin-and-hole of perpendicular mid-stent;
Sample truss is the cylinder that has end uncovered, and cylinder both sides are cut a part along bus, is " U " type, the both sides cylindrical wall height difference of " U " type; On the cylindrical wall of the higher side of " U " type, be provided with two pairs of otic placodes along same bus, and the inwall of the cylindrical wall of this higher side is provided with rubber layer; On the cylindrical wall of the lower side of " U " type, be provided with two tapped through holes along same generatrix direction.Clamping plate are a cambered plate, are placed in sample truss, and the size of cambered plate is identical with the size of a lower side cylindrical wall on sample truss; The cambered surface inner side of clamping plate is provided with rubber layer, and cambered surface outside is provided with two blind holes; Two blind holes are corresponding with two tapped through holes of sample truss; Trip bolt is a long spiro nail, and end is without screw thread; Two tapped through hole threaded engagement on trip bolt and sample truss; In blind hole on the end jacking clamping plate of trip bolt, and can in blind hole, rotate freely.
2. wetting-drying test analogue means in ocean according to claim 1, is characterized in that: communication apparatus, comprising: two sample grooves, flexible pipe, two sample board base plates and Duo Gen sample board column; Sample groove is right cylinder or rectangular parallelepiped, is made up of corrosion-resistant material, and the bottom of sample groove is provided with aperture; Two sample grooves are placed in respectively two the sample truss in left and right, and fastening by clamping plate by trip bolt; Two sample grooves are connected by flexible pipe by small hole at bottom part, and left and right sample groove and one of flexible pipe composition can be along with the linkers of sample truss lifting.
3. wetting-drying test analogue means in ocean according to claim 2, is characterized in that: sample board base plate is plectane or rectangular slab, adapt with sample groove, sample board base plate is placed in sample groove; Sample board base plate bottom surface is provided with three feets, has aperture, edge and be provided with the threaded hole of multiple ring shooting on sample board base plate; The upper surface of sample board base plate is the face of depression low between edge senior middle school, and sample board column is elongated round bar, and bottom is provided with screw thread, to coordinate with the threaded hole on sample board base plate; Sample board column top is provided with sample holder.
4. wetting-drying test analogue means in ocean according to claim 3, is characterized in that: driving mechanism, comprising: stepper motor, stepper motor base and pinion wheel; The bottom of stepper motor is provided with stepper motor base, and stepper motor base is fixed on base; Pinion wheel is contained on the main shaft of stepper motor; Stepper motor drives pinion rotation by motor shaft; Pinion wheel drives half gear of sill to rotate around the middle pin-and-hole of sill; Because sill is together with half gear engagement, sill also can rotate around its middle pin-and-hole, makes two ends, sill left and right rise or decline, and realizes the lifting process of sample truss; Time, the revolution of control system control step motor rotation and turning to, and then control the angle and direction of half gear rotation, thereby the lifting of Control Assay truss, realize the process of drying and watering cycle; Control system can be set the T.T. of the cycle of drying and watering cycle and the number of times of drying and watering cycle or drying and watering cycle, reaches the number of times of drying and watering cycle or the T.T. of drying and watering cycle, and system stops automatically.
5. wetting-drying test analogue means in ocean according to claim 4, is characterized in that: air-dry apparatus left and right respectively arranges one, and each air-dry apparatus comprises: air-dry apparatus pedestal, swan neck, motor, fan wing; Air-dry apparatus pedestal is fixed on the top of perpendicular support; One end of swan neck is connected on air-dry apparatus pedestal, and the other end is connected on motor, and driven by motor fan wing rotates; The half that the length of swan neck exceedes entablature length add the maximum sized of sample truss and.
6. wetting-drying test analogue means in ocean according to claim 5, is characterized in that: the pin-and-hole at entablature and sill two ends is connected by bearing pin with the pin-and-hole on the otic placode of the sample truss of the left and right sides respectively.
7. wetting-drying test analogue means in ocean according to claim 6, is characterized in that: the perpendicular pin-and-hole of mid-stent and the distance of base are greater than the height of sample truss.
8. wetting-drying test analogue means in ocean according to claim 7, is characterized in that: the control line of motor is by swan neck and perpendicular support metering-in control system; The startup of motor stops by control system control.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310564811.XA CN103558145B (en) | 2013-11-14 | 2013-11-14 | Simulation device for ocean wetting-drying test |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310564811.XA CN103558145B (en) | 2013-11-14 | 2013-11-14 | Simulation device for ocean wetting-drying test |
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| CN103558145A CN103558145A (en) | 2014-02-05 |
| CN103558145B true CN103558145B (en) | 2014-09-17 |
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| CN201310564811.XA Expired - Fee Related CN103558145B (en) | 2013-11-14 | 2013-11-14 | Simulation device for ocean wetting-drying test |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764688B (en) * | 2015-04-16 | 2018-03-06 | 江苏科技大学 | Drying and watering cycle ultraviolet lighting automatic corrosion chamber and test method |
| CN110658128A (en) * | 2019-09-29 | 2020-01-07 | 南通中国科学院海洋研究所海洋科学与技术研究发展中心 | Method for evaluating protective performance of anticorrosion coating material |
| CN115629030A (en) * | 2022-07-25 | 2023-01-20 | 中国长江三峡集团有限公司 | Anchor cable dry-wet cycle corrosion test device and method |
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| CN1963455A (en) * | 2006-11-02 | 2007-05-16 | 中国海洋大学 | Automatic wetting and drying cycle apparatus for corrosion test sample |
| CN2906597Y (en) * | 2006-06-15 | 2007-05-30 | 乳源阳之光铝业发展有限公司 | Wetting-drying circular tester |
| CN201844965U (en) * | 2010-10-27 | 2011-05-25 | 同济大学 | Eroding acceleration simulation test device for concrete chloride in seawater tide zone |
| CN203178169U (en) * | 2013-04-12 | 2013-09-04 | 中国石油大学(华东) | Balance type dry-wet cycle device |
| CN203203913U (en) * | 2013-04-24 | 2013-09-18 | 中国石油大学(华东) | Drying-wetting cycle testing device of piston |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013134162A (en) * | 2011-12-27 | 2013-07-08 | Hitachi Ltd | Atmospheric corrosion testing method and atmospheric corrosion testing apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2906597Y (en) * | 2006-06-15 | 2007-05-30 | 乳源阳之光铝业发展有限公司 | Wetting-drying circular tester |
| CN1963455A (en) * | 2006-11-02 | 2007-05-16 | 中国海洋大学 | Automatic wetting and drying cycle apparatus for corrosion test sample |
| CN201844965U (en) * | 2010-10-27 | 2011-05-25 | 同济大学 | Eroding acceleration simulation test device for concrete chloride in seawater tide zone |
| CN203178169U (en) * | 2013-04-12 | 2013-09-04 | 中国石油大学(华东) | Balance type dry-wet cycle device |
| CN203203913U (en) * | 2013-04-24 | 2013-09-18 | 中国石油大学(华东) | Drying-wetting cycle testing device of piston |
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