CN114414615A - Anti-freezing composite coating performance detection device and detection method thereof - Google Patents
Anti-freezing composite coating performance detection device and detection method thereof Download PDFInfo
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- CN114414615A CN114414615A CN202210329242.XA CN202210329242A CN114414615A CN 114414615 A CN114414615 A CN 114414615A CN 202210329242 A CN202210329242 A CN 202210329242A CN 114414615 A CN114414615 A CN 114414615A
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention relates to the technical field of paint detection devices, in particular to a performance detection device and a performance detection method for an anti-freezing composite paint. The device comprises detection equipment, wherein the detection equipment at least comprises a base, and the upper surface of the base is connected with a detection mechanism; the detection mechanism at least comprises a detection box, a coating cavity is formed in the detection box, a measuring device is arranged in the coating cavity, a low-temperature box is arranged at the right end of the upper surface of the base, a cavity is formed in the low-temperature box, and the detection mechanism is located in the cavity; the cryobox that sets up, inside leading-in liquid nitrogen to the cavity by a plurality of intake pipes through the connecting pipe, make the inside low temperature that forms fast of cavity, observe temperature variation through the thermometer, then test the resistance of coating through detection mechanism, the resistance size of testing under the resistance size that will the normal atmospheric temperature test and the low temperature carries out the comparison, can judge the frost protection nature of coating.
Description
Technical Field
The invention relates to the technical field of paint detection devices, in particular to a performance detection device and a performance detection method for an anti-freezing composite paint.
Background
The sensor is a detection device which can sense the measured information and convert the sensed information into an electric signal or other information in a required form according to a certain rule to output so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like.
With the advent of the new technological revolution, the world began to enter the information age. In the process of utilizing information, firstly, the problem to be solved is to obtain accurate and reliable information, and a sensor is a main way and means for obtaining information in the fields of nature and production.
When the sensor is installed in cold weather, in order to ensure the anti-freezing property of the sensor, an anti-freezing coating needs to be coated on the surface of the sensor, if the anti-freezing property of the coating is insufficient, the coating is solidified under the cold condition, so that the coating is not uniformly coated on the surface of the sensor, therefore, before the coating is used, whether the anti-freezing property meets the design requirement needs to be verified, the coating keeps a flowing state at normal temperature, the liquidity can be changed after the temperature is changed, the anti-freezing property is detected through the embodiment of the liquidity, and therefore, the anti-freezing composite coating property detection device and the detection method are needed to verify the reliability of the anti-freezing property of the coating before use, and the stability of a product in an extreme environment is improved.
Disclosure of Invention
The invention aims to provide a device and a method for detecting the performance of an antifreezing composite coating, so as to solve the problems in the background technology.
In order to achieve the above object, one of the objects of the present invention is to provide an anti-freezing composite coating performance detection apparatus, which comprises a detection device, wherein the detection device at least comprises a base, and the upper surface of the base is connected with a detection mechanism;
the detection mechanism at least comprises a detection box, a coating cavity is formed in the detection box, the detection box is mainly used for providing space for coating detection, a measuring device is arranged in the coating cavity and at least comprises a measuring frame, connecting legs are arranged on two sides of the bottom surface of the left end of the measuring frame, sliding grooves are formed in the surfaces, close to each other, of the two connecting legs, a sliding block is connected between the two sliding grooves in a sliding mode, sliding rods are arranged on the front surface and the rear surface of the center of the sliding block, a steel wire rope is connected to the center of the upper surface of the sliding block, a sliding hole is formed in the center of the inner portion of the measuring frame and located between the two connecting legs, the steel wire rope is connected to the inside of the sliding hole in a sliding mode, a tension meter is connected to the top end of the steel wire rope, the steel wire rope is driven to slide by pulling the tension meter, the sliding rods are driven to slide, and the magnitude of the tension value is displayed by the tension meter, the resistance of the coating to the sliding rod can be judged;
when the detection mechanism is used specifically, firstly, coating is poured into the coating cavity, the tension meter is pulled through the driving device, the steel wire rope can be driven to be positioned in the sliding hole to move upwards, so that the sliding block is driven to slide upwards, the sliding block slides to drive the sliding rod to move upwards, resistance is formed on the sliding rod through the coating, and the tensile force value displayed by the tension meter can be observed when the sliding rod is pulled upwards, so that the resistance of the coating to the sliding rod is judged;
the utility model discloses a temperature control device of a refrigerator, including base, cryogenic box, detection mechanism, intake pipe, heating plate, heating pipe, transparent glass window, cryogenic box rear surface, the main effect is used for observing the cavity inside, cryogenic box rear surface right-hand member installs the thermometer, the device has the main functions of observing the temperature change of the cavity, conveying liquid nitrogen to the inside of the connecting pipe, discharging the liquid nitrogen into the cavity from the air inlet pipe, and rapidly reducing the temperature of the cavity, so that the resistance detection of the coating in a low-temperature state is facilitated, the resistance of the coating to the sliding rod at different temperatures can be detected through the temperature change of the cavity, and the anti-freezing property of the coating is verified in sequence;
when the low-temperature box is used specifically, when the detection mechanism enters the cavity, liquid nitrogen is introduced into the connecting pipe and enters the cavity through the plurality of air inlet pipes, so that low temperature is quickly formed in the cavity, temperature change is observed through the thermometer, then the resistance of the coating is tested through the detection mechanism, and the resistance of the normal-temperature test is compared with the resistance of the coating tested at low temperature, so that the anti-freezing property of the coating can be judged.
As a further improvement of the technical scheme, the measuring frame is provided with a hydraulic cylinder through an installing head arranged at the right end, a piston rod of the hydraulic cylinder is fixedly connected with one end of the tension meter, and the tension meter can be pulled through the operation of the hydraulic cylinder.
As a further improvement of the technical scheme, the upper surface of the measuring frame is located the right side of the sliding hole is provided with a rotating head, the rotating head is internally and rotatably connected with a roller, the steel wire rope is attached to the surface of the roller, and the friction force of the steel wire rope moving can be reduced through the rotation of the roller, so that the smoothness is improved.
As a further improvement of the technical scheme, the left end and the right end of the sliding block are both provided with a rotating groove, the rotating groove is internally provided with a roller, the roller is connected to the sliding groove in a rolling manner, and the sliding friction force of the sliding block can be reduced through the rolling of the roller, so that the smoothness is improved.
As a further improvement of the technical scheme, the four corners of the bottom end of the detection box are provided with the movable wheels, the front end and the rear end of the upper surface of the base are provided with the slide rails, the movable wheels are connected inside the slide rails in a rolling mode, and the movable wheels can drive the detection mechanism to move through rotation of the movable wheels.
As a further improvement of the technical scheme, the detection box right-hand member fixedly connected with closing door, its main objective be exactly be used for carrying out the closure to the cavity opening, closing door right side surface four corners department all is equipped with the inserted block, cavity left end surface four corners department has all seted up the slot, the inserted block with the slot cooperation of pegging graft, through being connected of inserted block and slot, can stabilize being connected of closing door and low temperature box.
As a further improvement of the technical scheme, the right end of the upper surface of the low-temperature box is provided with a mounting hole, a fan is arranged in the mounting hole, and waste gas in the cavity can be discharged through the work of the fan.
As a further improvement of the technical scheme, the base is provided with a liquid nitrogen bottle through a mounting seat arranged at the right end, an outlet pipeline of the liquid nitrogen bottle is fixedly connected with an inlet of the connecting pipe, and liquid nitrogen can be conveyed into the connecting pipe through the liquid nitrogen bottle.
As a further improvement of the technical scheme, a blanking pipe is installed at the bottom of the left end of the detection box, a material return port is formed in the base, and the paint can be discharged downwards from the material return port through the blanking pipe.
The invention also aims to provide a detection method of the performance detection device of the anti-freezing composite coating, which comprises the performance detection device of the anti-freezing composite coating, and comprises the following steps:
s1, pouring the paint into the paint cavity at normal temperature, pulling the tension meter through the work of the hydraulic cylinder, driving the steel wire rope to pull the sliding rod to move upwards, observing the tension value displayed by the tension meter when the sliding rod moves upwards, and recording;
s2, pushing the detection mechanism into the cavity to enable the insertion block to be inserted into the slot, and completing the closing of the closing door to the cavity opening;
s3, conveying liquid nitrogen to the connecting pipe through the liquid nitrogen bottle, and driving the liquid nitrogen to enter the cavity from the air inlet pipe, so that the interior of the cavity is rapidly cooled;
s4, heating through the heating plate, adjusting the temperature inside the cavity, observing a thermometer to display the temperature to reach the specified detection temperature, stopping heating, and discharging waste gas inside the cavity through the working of a fan;
and S5, detecting the tension value of the tension meter again through the detection mechanism, recording, and comparing the normal-temperature tension value with the low-temperature tension value to judge the anti-freezing property of the coating.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the performance detection device and the performance detection method for the antifreezing composite coating, the arranged detection mechanism pulls the tension meter through the hydraulic cylinder to drive the steel wire rope to pull the sliding block to slide upwards, the sliding block slides to drive the sliding rod to move upwards, resistance is formed on the sliding rod through the coating, and the tension value displayed by the tension meter can be observed when the sliding rod is pulled upwards, so that the resistance of the coating to the sliding rod is judged.
2. According to the anti-freezing composite paint performance detection device and the detection method thereof, the arranged low-temperature box leads liquid nitrogen into the cavity from the plurality of air inlet pipes through the connecting pipe, so that low temperature is quickly formed inside the cavity, the temperature change is observed through the thermometer, then the resistance of the paint is tested through the detection mechanism, and the resistance of the normal-temperature test is compared with the resistance of the paint tested at low temperature, so that the anti-freezing performance of the paint can be judged.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a base structure of the present invention;
FIG. 3 is a schematic structural diagram of a detecting mechanism according to the present invention;
FIG. 4 is a schematic view of the structure of the detection box of the present invention;
FIG. 5 is a schematic view of a measuring device according to the present invention;
FIG. 6 is a schematic view of the measuring stand according to the present invention;
FIG. 7 is a schematic view of a slider configuration of the present invention;
FIG. 8 is a schematic view of the construction of the cryostat of the present invention;
fig. 9 is a schematic diagram of a heating plate structure according to the present invention.
The various reference numbers in the figures mean:
10. a detection device;
100. a base; 1000. a slide rail; 1001. a feed back port; 1002. a mounting seat;
200. a detection mechanism;
210. a detection box; 2100. a coating chamber; 2101. a moving wheel; 2102. a discharging pipe;
211. closing the door; 2111. inserting a block;
220. a measuring device;
221. a measuring frame; 2210. a slide hole; 2211. a connecting leg; 2212. a chute; 2213. a mounting head;
222. a slider; 2220. a rotating groove; 2221. a slide bar; 2222. a wire rope; 2223. a roller;
223. a tension meter; 2231. a hydraulic cylinder;
224. rotating the head; 2241. a roller;
300. a low temperature chamber; 3001. a transparent glass window; 3002. a thermometer; 3003. a slot;
301. connecting holes; 3011. an air inlet pipe; 3012. a connecting pipe; 3013. a liquid nitrogen bottle;
302. mounting holes; 3021. a fan;
303. mounting grooves; 310. heating plates; 3100. a heating cavity; 311. heating the tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Example 1
Referring to fig. 1 to 9, an objective of the present embodiment is to provide an apparatus for detecting performance of an anti-freezing composite coating, including a detection device 10, where the detection device 10 at least includes a base 100, and a detection mechanism 200 is connected to an upper surface of the base 100;
the detection mechanism 200 at least comprises a detection box 210, a paint cavity 2100 is formed in the detection box 210, and the detection box is mainly used for providing a space for paint detection, a measurement device 220 is installed in the paint cavity 2100, the measurement device 220 at least comprises a measurement frame 221, two sides of the bottom surface of the left end of the measurement frame 221 are respectively provided with a connecting leg 2211, one side, close to each other, of each connecting leg 2211 is provided with a sliding groove 2212, a sliding block 222 is connected between the two sliding grooves 2212 in a sliding manner, two front and rear surfaces of the center of the sliding block 222 are respectively provided with a sliding rod 2221, the center of the upper surface of the sliding block 222 is connected with a steel wire rope 2222, the center of the inner part of the measurement frame 221 is located between the two connecting legs 2211 and is provided with a sliding hole 2210, the steel wire rope 2222 is connected in the sliding manner, the top end of the steel wire rope 2222 is connected with a tension meter 223, the steel wire rope 2222 is driven to slide by pulling the tension meter 223, so as to drive the sliding rod 2221 to slide, the tension meter 223 to display the magnitude of numerical value, the resistance of the coating to the sliding bar 2221 can be judged;
when the detection mechanism 200 in this embodiment is used specifically, firstly, paint is poured into the paint cavity 2100, the tension meter 223 is pulled by the driving device, so that the steel wire rope 2222 is driven to move upward inside the slide hole 2210, and the slider 222 is driven to slide upward, the slider 222 slides to drive the slide bar 2221 to move upward, resistance is formed on the slide bar 2221 by the paint, and when the slide bar 2221 is pulled upward, the tension value displayed by the tension meter 223 can be observed, so as to determine the resistance of the paint to the slide bar 2221;
the right end of the upper surface of the base 100 is provided with a low-temperature box 300, a cavity is formed in the low-temperature box 300, the detection mechanism 200 is located in the cavity, a plurality of connecting holes 301 are formed in the upper surface of the low-temperature box 300, air inlet pipes 3011 are installed inside the connecting holes 301, the bottom ends of the air inlet pipes 3011 extend into the cavity, connecting pipes 3012 are connected among the air inlet pipes 3011, the detection mechanism mainly has the advantages that the temperature inside the cavity can be reduced, a heating plate 310 is installed on the low-temperature box 300 through an installation groove 303 formed in the front surface, a heating pipe 311 is installed on the heating plate 310 through a heating cavity 3100 formed in the heating plate 310, the heating cavity 3100 can work through the heating pipe 311, high temperature can be formed in the heating cavity 3100, the temperature can be transmitted to the cavity from the surface of the heating plate 310, so that the temperature in the cavity can be regulated, a transparent glass window 3001 is formed in the rear surface of the low-temperature box 300, the temperature meter 3002 is installed at the right end of the rear surface of the low-temperature box 300, the main function of the device is to observe the temperature change of the cavity, liquid nitrogen is conveyed into the connecting pipe 3012 and discharged into the cavity through the air inlet pipe 3011, so that the temperature of the cavity can be rapidly reduced, resistance detection of the coating in a low-temperature state is facilitated, the resistance of the coating to the sliding rod 2221 at different temperatures can be detected through the temperature change of the cavity, and the anti-freezing performance of the coating is verified in sequence;
when this embodiment low-temperature box 300 specifically uses, when detection mechanism 200 entered into to the cavity inside, let in the liquid nitrogen to connecting pipe 3012 inside, the liquid nitrogen enters into to the cavity inside by a plurality of intake pipes 3011, makes the inside low temperature that forms fast of cavity, observes temperature variation through thermometer 3002, then tests the resistance of coating through detection mechanism 200, compares the resistance size of test under the resistance size that will normal atmospheric temperature test and the low temperature, can judge the frost protection nature of coating.
Considering that the tension meter 223 needs to be pulled, the measuring frame 221 is provided with a hydraulic cylinder 2231 through a mounting head 2213 arranged at the right end, a piston rod of the hydraulic cylinder 2231 is fixedly connected with one end of the tension meter 223, and the tension meter 223 can be pulled through the operation of the hydraulic cylinder 2231.
Considering that the smoothness of movement of the steel wire rope 2222 needs to be improved, the rotating head 224 is arranged on the upper surface of the measuring frame 221 on the right side of the sliding hole 2210, the roller 2241 is rotatably connected inside the rotating head 224, the steel wire rope 2222 is attached to the surface of the roller 2241, and the friction force of movement of the steel wire rope 2222 can be reduced by rotation of the roller 2241, so that the smoothness is improved.
Considering that the sliding fluency of the slider 222 needs to be improved, the left end and the right end of the slider 222 are both provided with the rotating groove 2220, the roller 2223 is installed inside the rotating groove 2220, the roller 2223 is connected to the sliding groove 2212 in a rolling manner, and the sliding friction of the slider 222 can be reduced by the rolling of the roller 2223, so that the fluency can be improved.
Considering that the detection mechanism 200 needs to be moved, the four corners of the bottom end of the detection box 210 are provided with the moving wheels 2101, the front end and the rear end of the upper surface of the base 100 are provided with the sliding rails 1000, the moving wheels 2101 are connected inside the sliding rails 1000 in a rolling manner, and the detection mechanism 200 can be driven to move through the rotation of the moving wheels 2101.
Considering that the cavity needs to be closed when the detection mechanism 200 enters the cavity, the right end of the detection box 210 is fixedly connected with the closing door 211, and the main purpose is to close the opening of the cavity, the four corners of the right surface of the closing door 211 are provided with the insertion blocks 2111, the four corners of the left surface of the cavity are provided with the insertion slots 3003, the insertion blocks 2111 are in insertion fit with the insertion slots 3003, and the connection between the closing door 211 and the low-temperature box 300 can be stabilized through the connection between the insertion blocks 2111 and the insertion slots 3003.
In consideration of the need of exhausting the waste gas inside the cavity, the right end of the upper surface of the low temperature box 300 is provided with a mounting hole 302, a fan 3021 is mounted inside the mounting hole 302, and the waste gas inside the cavity can be exhausted by the operation of the fan 3021.
Considering that liquid nitrogen needs to be conveyed to the inside of the connecting pipe 3012, the base 100 is provided with a liquid nitrogen bottle 3013 through a mounting seat 1002 arranged at the right end, an outlet pipeline of the liquid nitrogen bottle 3013 is fixedly connected with an inlet of the connecting pipe 3012, and the liquid nitrogen can be conveyed to the inside of the connecting pipe 3012 through the liquid nitrogen bottle 3013.
Considering that the tested paint needs to be discharged, a blanking tube 2102 is installed at the bottom of the left end of the detection box 210, a material return port 1001 is opened inside the base 100, and the paint can be discharged downwards from the material return port 1001 through the blanking tube 2102.
Another object of this embodiment is to provide a method for detecting performance of an anti-freezing composite coating, including any one of the above-mentioned devices, including the following steps:
s1, pouring the coating into the coating cavity 2100 at normal temperature, working through the hydraulic cylinder 2231 to pull the tension meter 223, driving the steel wire rope 2222 to pull the sliding rod 2221 to move upwards, and observing and recording the tension value displayed by the tension meter 223 when the sliding rod 2221 moves upwards;
s2, pushing the detection mechanism 200 to enter the cavity, so that the insert block 2111 is inserted into the insert slot 3003 to complete the closing of the cavity opening by the closing door 211;
s3, liquid nitrogen is conveyed to the connecting pipe 3012 through the liquid nitrogen bottle 3013, and the liquid nitrogen is driven to enter the cavity from the air inlet pipe 3011, so that the interior of the cavity is cooled rapidly;
s4, heating through the heating plate 310, adjusting the temperature inside the cavity, observing the temperature displayed by the thermometer 3002 to reach the specified detection temperature, stopping heating, and then discharging waste gas inside the cavity through the fan 3021;
and S5, detecting the tension value of the tension meter 223 again through the detection mechanism 200, recording, and comparing the normal-temperature tension value with the low-temperature tension value to judge the anti-freezing property of the coating.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a compound coating performance detection device prevents frostbite which characterized in that: the device comprises a detection device (10), wherein the detection device (10) at least comprises a base (100), and the upper surface of the base (100) is connected with a detection mechanism (200);
the detection mechanism (200) at least comprises a detection box (210), a coating cavity (2100) is formed in the detection box (210), a measuring device (220) is installed in the coating cavity (2100), the measuring device (220) at least comprises a measuring frame (221), connecting legs (2211) are arranged on two sides of the bottom surface of the left end of the measuring frame (221), sliding grooves (2212) are formed in one surfaces, close to each other, of the connecting legs (2211), a sliding block (222) is connected between the two sliding grooves (2212) in a sliding mode, sliding rods (2221) are arranged on the front surface and the rear surface of the center of the sliding block (222), a steel wire rope (2222) is connected to the center of the upper surface of the sliding block (222), a sliding hole (2210) is formed in the position, in the center of the inside of the measuring frame (221), between the two connecting legs (2211), and the steel wire rope (2222) is connected to the inside of the sliding hole (2210) in a sliding mode, the top end of the steel wire rope (2222) is connected with a tension meter (223);
base (100) upper surface right-hand member is equipped with cryostat (300), cryostat (300) inside cavity of having seted up, detection mechanism (200) are located inside the cavity, a plurality of connecting hole (301) have been seted up to cryostat (300) upper surface, connecting hole (301) internally mounted has intake pipe (3011), inside intake pipe (3011) bottom extended to the cavity, a plurality of be connected with connecting pipe (3012) between intake pipe (3011), hot plate (310) are installed through mounting groove (303) that the front surface was seted up in cryostat (300), heating pipe (311) are installed through heating chamber (3100) that inside was seted up in hot plate (310), transparent glass window (3001) have been seted up to cryostat (300) rear surface, thermometer (3002) are installed to cryostat (300) rear surface right-hand member.
2. The performance detection device of the antifreezing composite coating according to claim 1, wherein: the measuring frame (221) is provided with a hydraulic cylinder (2231) through a mounting head (2213) at the right end, and a piston rod of the hydraulic cylinder (2231) is fixedly connected with one end of the tension meter (223).
3. The performance detection device of the antifreezing composite coating according to claim 1, wherein: the upper surface of the measuring frame (221) is located the right side of the sliding hole (2210) is provided with a rotating head (224), the rotating head (224) is connected with a roller (2241) in a rotating mode, and the steel wire rope (2222) is attached to the surface of the roller (2241).
4. The performance detection device of the antifreezing composite coating according to claim 1, wherein: the left end and the right end of the sliding block (222) are both provided with a rotating groove (2220), a roller (2223) is installed inside the rotating groove (2220), and the roller (2223) is connected to the sliding groove (2212) in a rolling mode.
5. The performance detection device of the antifreezing composite coating according to claim 1, wherein: the detection box is characterized in that four corners of the bottom end of the detection box (210) are provided with movable wheels (2101), slide rails (1000) are arranged at the front end and the rear end of the upper surface of the base (100), and the movable wheels (2101) are connected inside the slide rails (1000) in a rolling mode.
6. The performance detection device of the antifreezing composite coating according to claim 1, wherein: detection case (210) right-hand member fixedly connected with closing door (211), closing door (211) right side surface four corners department all is equipped with inserted block (2111), slot (3003) have all been seted up to cavity left end surface four corners department, inserted block (2111) with slot (3003) are pegged graft and are cooperated.
7. The performance detection device of the antifreezing composite coating according to claim 1, wherein: the right end of the upper surface of the low-temperature box (300) is provided with a mounting hole (302), and a fan (3021) is mounted in the mounting hole (302).
8. The performance detection device of the antifreezing composite coating according to claim 1, wherein: the base (100) is provided with a liquid nitrogen bottle (3013) through a mounting seat (1002) arranged at the right end, and an outlet pipeline of the liquid nitrogen bottle (3013) is fixedly connected with an inlet of the connecting pipe (3012).
9. The performance detection device of the antifreezing composite coating according to claim 1, wherein: the blanking pipe (2102) is installed at the bottom of the left end of the detection box (210), and a material return opening (1001) is formed in the base (100).
10. A method for detecting a performance detection device of an antifreezing composite coating, comprising the performance detection device of the antifreezing composite coating of any one of claims 1 to 9, wherein: the method comprises the following steps:
s1, pouring the coating into the coating cavity (2100) at normal temperature, working through a hydraulic cylinder (2231) to pull a tension meter (223), driving a steel wire rope (2222) to pull a sliding rod (2221) to move upwards, and observing and recording the tension value displayed by the tension meter (223) when the sliding rod (2221) moves upwards;
s2, pushing the detection mechanism (200) to enter the cavity, inserting the insert block (2111) into the slot (3003), and completing the closing of the closing door (211) to the cavity opening;
s3, conveying liquid nitrogen to the connecting pipe (3012) through a liquid nitrogen bottle (3013), and driving the liquid nitrogen to enter the cavity from the air inlet pipe (3011) to rapidly cool the cavity;
s4, heating through the heating plate (310), adjusting the temperature inside the cavity, observing the temperature displayed by the thermometer (3002) to the specified detection temperature, stopping heating, and then discharging waste gas inside the cavity through the working of the fan (3021);
and S5, detecting the tension value of the tension meter (223) again through the detection mechanism (200), recording, and comparing the normal-temperature tension value with the low-temperature tension value to judge the anti-freezing property of the coating.
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| CN114414615B (en) | 2022-07-19 |
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