CN104034507A - Test device used for testing resistance reduction performance of antifouling coating - Google Patents
Test device used for testing resistance reduction performance of antifouling coating Download PDFInfo
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- CN104034507A CN104034507A CN201410180692.2A CN201410180692A CN104034507A CN 104034507 A CN104034507 A CN 104034507A CN 201410180692 A CN201410180692 A CN 201410180692A CN 104034507 A CN104034507 A CN 104034507A
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Abstract
The invention discloses a test device used for testing resistance reduction performance of an antifouling coating. The device comprises three units, respectively a resistance test box, a navigation simulation test device and a software control system. The resistance test box comprises a load bearing, a connecting shaft, a sample loading device, a torque sensor and a test tank; the connecting shaft is sequentially provided with a motor, a connector A, a torque sensor, a connector B, a load bearing and a sample loading device from the top bottom; the test tank is located below the connecting shaft; and the navigation simulation test device is composed of a plurality of independent navigation simulation test boxes, each independent navigation simulation test box is internally provided with a motor rotation drive, and the navigation simulation test box is internally provided with sea water. Through controlling changes and frequencies of factors such as the flow speed and the temperature, different turbulence states are formed, resistance changes of the energy-saving resistance-reduction coating in ship navigation simulation state can be tested, and the resistance-reduction effects of the coating can be evaluated.
Description
Technical field
The present invention relates to a kind of experiments of measuring device, especially relate to a kind of for testing the test unit of nonpolluting coating resistance-reducing performance.
Background technology
Resistance reducing performance is as the key property of energy-conservation anti-drag type anti-fouling paint, and current evaluation method is assessed for main real ship navigation experience and the fuel consumption of relying in the world at present.But ship trial is costly, the test period is longer, and environmental impact factor is more, evaluation for nonpolluting coating resistance reducing performance, need to convert and could embody by power or the oil consumption of boats and ships real navigation, and the areal variation of marine environment, the variation of current speed, temperature, marine fouling organism adheres to the coating surface roughness variation that causes etc. all can produce considerable influence to the operational configuration of boats and ships, thereby causes the uncertain of running power or oil consumption.While carrying out ship trial simultaneously, boats and ships account for 70% left and right of drag overall at the wave making resistance of the water surface and the form resistance of Ship Structure, when it changes, will cover the consequence being produced by nonpolluting coating drag reduction effect, the method making produces uncertain to the evaluation result of nonpolluting coating resistance reducing performance.In addition, adopting Cavitation Tunnel to carry out frictional resistance test to novel energy-saving emission-reducing type nonpolluting coating, is another kind of feasible means, but this test is had relatively high expectations to appointed condition, test unit is huge, and operation maintenance is costly, and general enterprise or laboratory are difficult to realize.Therefore, extremely need to design, build, formulate a set of applicable to testing the test unit of nonpolluting coating frictional resistance under common lab condition, carry out fast, easily the evaluation of coating resistance reducing performance.
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Summary of the invention
In order to overcome the deficiency in background technology, the invention discloses a kind of for testing the test unit of nonpolluting coating resistance-reducing performance.This test unit, by variation range and the frequency of the factors such as coutroi velocity, temperature, forms different turbulence states, testing coating and seawater interface frictional resistance; Apply the variation of test period, current scour speed speed, temperature and roughness that this device can effectively arrange, monitor, record coating resistance reducing performance test process, be applied to test the energy-conservation change in resistance of resistance coating under simulation ship's navigation state of falling, the resistance reducing effect of coating is evaluated.
The object of the invention is to set up and a kind ofly can simulate ship's navigation turbulence state, test hull coating and seawater frictional resistance, evaluate the test unit of coating resistance reducing performance, fill up domestic blank in this respect, change the professional testing agency that in the past only had minority to have large scale mock up test device and just can carry out the situation of nonpolluting coating resistance reducing performance test, the development that can be long-acting and anti-fouling coating of new generation provides the technical foundation of test evaluation, significant to standard anti-fouling paint properties of product.Use of the present invention, can improve novel energy-conserving drag reduction antifouling paint and be developed into power, reduces development cost.
In order to realize described goal of the invention, the present invention adopts following technical scheme:
For testing a test unit for nonpolluting coating resistance-reducing performance, this device comprises three unit, is respectively resistance measurement chamber, navigation simulation test device and software control system; Described resistance measurement chamber comprises load bearing, connecting shaft, sample loading attachment, torque sensor, test trough; Motor, connector A, torque sensor, connector B, load bearing and sample loading attachment are housed on described connecting shaft from top to bottom successively; Described test groove is in connecting shaft below; Described navigation simulation test device is comprised of a plurality of independent navigation simulation test casees, and each independently navigates by water simulation test case and contains a motor rotary actuation; In navigation simulation test case, be seawater, each independently navigates by water and by switch, is controlled and interconnected between simulation test case; Described resistance measurement chamber is connected respectively software control system with navigation simulation test device.
Resistance measurement chamber of the present invention also comprises lifting drive; Described lifting drive comprises frame, lifting table and transmission case; Frame upper end fixed support plate A, arranges guide rail between described back up pad A and lifting table; Fixed support plate B on the motor of described resistance measurement chamber; Described back up pad B is installed on guide rail, and described guide rail is connected with transmission case.
The present invention also comprises two groups of seawater thermostats, is connected respectively with resistance measurement chamber, navigation simulation test device; Described seawater thermostat connects software control system.
Connecting shaft of the present invention upper end motor is stepless change, and the range of speeds is 0 ~ 1500r/min.
Range 0 ~ the 10N.m of torque sensor of the present invention.
Lifting travel 0 ~ the 900mm of lifting drive of the present invention.
The sample of sample loading attachment of the present invention institute load is cylindrical shape, adopts polycarbonate substrate, and size is Φ 200 * 200mm.
Total water capacity 700L of seawater thermostat of the present invention, maximum cooling velocity: 15-18min/ ℃.
Owing to having adopted technique scheme; the present invention has following beneficial effect: nonpolluting coating resistance-reducing performance test unit of the present invention can be at experiment lab simulation ship's navigation state; carry out the test of nonpolluting coating resistance-reducing performance; than large-scale experiment facilities such as ship model or Cavitation Tunnel; this installs simple operation; be easy to Control experiment condition, its main effect embodies as follows:
Fully simulated under ship's navigation state, the frictional resistance that test hull-bottom antifouling coating and turbulent flow seawater eroding produce, with Control experiment movement velocity, monitoring circulation Reynolds number, obtain the mode stablize turbulence state and realize object, with the fixing sample of routine, the test method that fluid high-speed washes away is compared, save energy consumption, reduce the uncontrollable factor of process of the test.
Employing computer programming is controlled, and realizes the programmed control of coating resistance reducing performance test process, and the various boundary conditions of real time record, demonstration and storage test process, directly embody test findings.
Easy and simple to handle, power-on, arranges test parameters, as temperature, rotating speed, Reynolds numerical value etc., sets test routine, can test, and process of the test realizes microcomputer automatic control.
By test unit of the present invention to carrying out resistance-reducing performance test from polishing antifouling coating, the test findings of obtaining can be used as evaluates coating reduction frictional resistance, capable of saving fuel oil consumes, reach the important evidence of energy-conservation drag-reduction effect, and can become the technological means of the novel energy-conserving drag reduction antifouling paint that screenability is good, for real ship application design and the resistance reducing performance evaluation of energy-saving and emission-reducing antifouling paint provides important technical support, can effectively save development cost, there is higher economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of resistance measurement chamber of the present invention.
In figure: 1, motor; 2, connector A; 3, torque sensor; 4, connector B; 5, load bearing; 6, connecting shaft; 7, sample loading attachment; 8, test trough.
Fig. 2 is the structural representation of resistance measurement chamber of the present invention and lifting drive.
In figure: 1, motor; 2, connector A; 3, torque sensor; 4, connector B; 5, load bearing; 6, connecting shaft; 7, sample loading attachment; 8, test trough; 9, back up pad A; 10, guide rail; 11, back up pad B; 12, frame; 13, lifting table.
Fig. 3 is that the present invention navigates by water the structural representation of simulation test device.
In figure: 14, navigation simulation test case; 15, seawater thermostat.
Embodiment
Explanation the present invention that can be detailed by the following examples, discloses object of the present invention and is intended to protect all technological improvements in the scope of the invention.
Principle of work of the present invention is to adopt the rotation of driven by motor sample, reaching certain rotating speed forms after turbulence state, synchronous moment of torsion while adopting accurate torque sensor to measure sample rotating with constant speed under this turbulence state, torque axis is changed to the frictional resistance of nonpolluting coating and seawater interface, simultaneously in conjunction with navigation simulation test, contrast the variation of seawater scouring front and back coating resistance under identical speed, can measure and evaluate resistance-reducing performance and the resistance-reducing yield of anti-fouling paint.
As shown in the figure, the present invention includes three unit, be respectively resistance measurement chamber, navigation simulation test device and software control system.Resistance measurement chamber, navigation simulation test device connect respectively software control system.
Navigation simulation test device is for simulating nonpolluting coating in the accumulation of ship's navigation course seawater scouring effect.The navigation simulation test device of the present embodiment is 6 to close 1 structure, in a casing, be divided into 6 independently units, the Rotable Control System stand alone type that is also designed to distribute, each exemplar by one independently motor rotarily actuate, independent rotation, irrelevant mutually with other exemplar.In use, first get size for 6, the polycarbonate substrate sample of Φ 200*200mm; Be placed on respectively navigation 6 of simulation test device independently in the navigation simulation test case 14 of water capacity 120L, fill seawater independently navigating by water in simulation test case 14.Polycarbonate substrate sample is fully immersed in seawater, and rotates with the speed of 10～20 joints.Between each unit, by switch, controlled and interconnected, navigation simulation test device is connected with seawater thermostat 15, and temperature is controlled between 15 ~ 30 ℃, realizes the consistance of temperature control system.By setting different flow velocitys, time, simulate the extension of countershaft at any time, the variation of coating sample under ship's navigation state, completes the seawater scouring effect accumulation experiment in ship's navigation course of simulation nonpolluting coating.
Sample after rotation, takes out sample in navigation simulation test device, puts into successively respectively resistance measurement chamber and carries out resistance measurement.Adopt motor 1 to drive sample rotation, reaching certain rotating speed forms after turbulence state, synchronous moment of torsion while adopting accurate torque sensor 3 to measure said sample rotating with constant speed under this turbulence state, torque axis is changed to the frictional resistance of nonpolluting coating and seawater interface, simultaneously in conjunction with navigation simulation test, contrast the variation of seawater scouring front and back coating resistance under identical speed, can measure and evaluate resistance-reducing performance and the resistance-reducing yield of anti-fouling paint.Resistance measurement chamber is connected with other one group of seawater thermostat 15, and for regulating and controlling under high flow condition, stablizing of test macro water temperature, keeps the unitarity of stocking system and test macro temperature conditions.
For ease of operating personnel, change sample, realize the function of auto-lift of sample and the steadiness of running, lifting drive has been loaded in resistance measurement chamber, and described lifting drive comprises frame 12, lifting table 13 and transmission case; Frame upper end fixed support plate A9, arranges guide rail 10 between described back up pad A9 and lifting table; Fixed support plate B11 on the motor 1 of described resistance measurement chamber; Described back up pad B11 is installed on guide rail 10, and described guide rail 10 is connected with transmission case.Transmission case is controlled the lifting of guide rail 10, thereby controls the lifting of resistance measurement chamber.
Resistance measurement chamber of the present invention is connected respectively software control system with navigation simulation test device.Seawater thermostat 15 of the present invention is also controlled by software control system.Software control system configuration switch board, realizes programmed control by microcomputer; Employing computer programming is controlled, realize the programmed control of coating resistance reducing performance test process, the various boundary conditions such as the motor speed in real time record, demonstration and storage test process, the drag size of torque feedback, ocean temperature, test period, fluid Reynolds number, test figure is carried out to computing, draw change in resistance curve.
Part not in the detailed description of the invention is prior art.
Claims (8)
1. for testing a test unit for nonpolluting coating resistance-reducing performance, it is characterized in that: this device comprises three unit, be respectively resistance measurement chamber, navigation simulation test device and software control system; Described resistance measurement chamber comprises load bearing (5), connecting shaft (6), sample loading attachment (7), torque sensor (3), test trough (8); Motor (1), connector A(2 are housed on described connecting shaft (6) from top to bottom successively), torque sensor (3), connector B(4), load bearing (5) and sample loading attachment (7); Described test trough (8) is positioned at connecting shaft (6) below; Described navigation simulation test device is comprised of a plurality of independent navigation simulation test casees (14), and each independently navigates by water simulation test case (14) and contains a motor rotary actuation; In navigation simulation test case, be seawater, each independently navigates by water and by switch, is controlled and interconnected between simulation test case; Described resistance measurement chamber is connected respectively software control system with navigation simulation test device.
2. as claimed in claim 1 for testing the test unit of nonpolluting coating resistance-reducing performance, it is characterized in that: described resistance measurement chamber also comprises lifting drive; Described lifting drive comprises frame (12), lifting table (13) and transmission case; Frame upper end fixed support plate A(9), described back up pad A(9) and between lifting table guide rail (10) is set; The upper fixed support plate B(11 of the motor of described resistance measurement chamber (1)); Described back up pad B(11) be installed on guide rail (10) above, described guide rail (10) is connected with transmission case.
3. as claimed in claim 1 for testing the test unit of nonpolluting coating resistance-reducing performance, it is characterized in that: also comprise two groups of seawater thermostats (15), be connected with resistance measurement chamber, navigation simulation test device respectively; Described seawater thermostat (15) connects software control system.
4. as claimed in claim 1 for testing the test unit of nonpolluting coating resistance-reducing performance, it is characterized in that: connecting shaft upper end motor is stepless change, the range of speeds is 0 ~ 1500r/min.
5. as claimed in claim 1 for testing the test unit of nonpolluting coating resistance-reducing performance, it is characterized in that: the range 0 ~ 10N.m of described torque sensor.
6. as claimed in claim 1 for testing the test unit of nonpolluting coating resistance-reducing performance, it is characterized in that: the lifting travel 0 ~ 900mm of described lifting drive.
7. as claimed in claim 1 for testing the test unit of nonpolluting coating resistance-reducing performance, it is characterized in that: the sample of sample loading attachment institute load is cylindrical shape, adopt polycarbonate substrate, size is Φ 200 * 200mm.
8. as claimed in claim 1 for testing the test unit of nonpolluting coating resistance-reducing performance, it is characterized in that: total water capacity 700L of described seawater thermostat (15), maximum cooling velocity: 15-18min/ ℃.
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| CN107314945A (en) * | 2017-07-18 | 2017-11-03 | 青岛理工大学 | Dynamic simulation experiment device for rust-proof and antifouling capacity of surface coating of marine equipment |
| CN107741473A (en) * | 2017-11-13 | 2018-02-27 | 青岛科技大学 | A kind of stable type coating dynamic performance and testing |
| CN108344557A (en) * | 2018-01-24 | 2018-07-31 | 中国船舶重工集团公司第七二五研究所 | A kind of test method for nonpolluting coating resistance performance under real extra large environment |
| CN109916592A (en) * | 2019-04-08 | 2019-06-21 | 吉林大学 | A kind of device for simulated seawater fluctuation |
| RU2728490C1 (en) * | 2019-12-16 | 2020-07-29 | Общество с ограниченной ответственностью "Морской биотехнопарк" | Method of studying properties of protective coatings in a stream of sea water and an apparatus for carrying out said method |
| CN112199278A (en) * | 2020-09-30 | 2021-01-08 | 哈尔滨学院 | Computer software testing arrangement |
| CN112858586A (en) * | 2021-01-13 | 2021-05-28 | 青岛卓润智能科技有限公司 | Rapid testing device for resistance reduction performance of large Reynolds number and detection method thereof |
| CN113358508A (en) * | 2021-03-25 | 2021-09-07 | 中国农业机械化科学研究院 | Device and method for evaluating wear-resisting and impact-resisting comprehensive performance of coating |
| CN114154246A (en) * | 2021-12-07 | 2022-03-08 | 中国船舶科学研究中心 | Friction-reducing resistance effect test evaluation method for rotating cylinder |
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| CN107314945A (en) * | 2017-07-18 | 2017-11-03 | 青岛理工大学 | Dynamic simulation experiment device for rust-proof and antifouling capacity of surface coating of marine equipment |
| CN107314945B (en) * | 2017-07-18 | 2023-08-01 | 青岛理工大学 | Dynamic simulation experiment device for rust-proof and anti-fouling capability of marine equipment surface coating |
| CN107741473A (en) * | 2017-11-13 | 2018-02-27 | 青岛科技大学 | A kind of stable type coating dynamic performance and testing |
| CN108344557A (en) * | 2018-01-24 | 2018-07-31 | 中国船舶重工集团公司第七二五研究所 | A kind of test method for nonpolluting coating resistance performance under real extra large environment |
| CN109916592A (en) * | 2019-04-08 | 2019-06-21 | 吉林大学 | A kind of device for simulated seawater fluctuation |
| RU2728490C1 (en) * | 2019-12-16 | 2020-07-29 | Общество с ограниченной ответственностью "Морской биотехнопарк" | Method of studying properties of protective coatings in a stream of sea water and an apparatus for carrying out said method |
| CN112199278A (en) * | 2020-09-30 | 2021-01-08 | 哈尔滨学院 | Computer software testing arrangement |
| CN112199278B (en) * | 2020-09-30 | 2024-04-12 | 哈尔滨学院 | Computer software testing device |
| CN112858586A (en) * | 2021-01-13 | 2021-05-28 | 青岛卓润智能科技有限公司 | Rapid testing device for resistance reduction performance of large Reynolds number and detection method thereof |
| CN113358508A (en) * | 2021-03-25 | 2021-09-07 | 中国农业机械化科学研究院 | Device and method for evaluating wear-resisting and impact-resisting comprehensive performance of coating |
| CN114154246A (en) * | 2021-12-07 | 2022-03-08 | 中国船舶科学研究中心 | Friction-reducing resistance effect test evaluation method for rotating cylinder |
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