A multi-field coupling environment simulation test device

Abstract

The present application belongs to the technical field of material environmental adaptability testing, and particularly relates to a multi-field coupling environment simulation test device, which comprises a test box body, the test box body is divided into upper and lower installation spaces by a first partition plate; a sand blasting erosion assembly for simulating a sand blasting erosion environment, a saline-alkali corrosion assembly for simulating a saline-alkali corrosion environment and an ultraviolet aging assembly for simulating a sunlight ultraviolet environment are integrated in the installation spaces; the sand blasting erosion assembly is composed of a sand blasting head, a sand bin mechanism and a sand blasting pump; the sand bin mechanism comprises a sand bin, and a power vane driven by waste sand gravity is arranged on a waste sand falling path in the sand bin. The present application can realize integrated testing of three major environmental factors, ensure that the testing environment is highly consistent with the actual natural environment, improve testing efficiency and data reliability, and reduce equipment purchase and operation and maintenance costs.

Description

A multi-field coupled environment simulation test device Technical Field

[0001] This invention belongs to the field of material environmental adaptability testing technology, specifically relating to a multi-field coupled environment simulation test device. Background Technology

[0002] In natural environments, materials often face the combined effects of multiple harsh environmental factors. For example, materials in coastal areas are subject to salt and alkali corrosion from seawater, sand erosion caused by strong winds carrying sand particles, and aging and degradation caused by ultraviolet rays from sunlight. Materials around deserts must withstand the dual effects of wind and sand erosion and intense ultraviolet aging. These combined environmental effects can significantly accelerate the deterioration of material performance and shorten its service life. Therefore, it is crucial to conduct composite environmental adaptability testing on materials before research, development, production, and application.

[0003] Problems with existing technology:

[0004] Currently, testing equipment for the aforementioned single environmental factors is relatively mature in the industry, such as standalone sandblasting test devices, salt and alkali corrosion test devices, and ultraviolet aging test chambers. However, existing technologies have significant drawbacks when conducting composite environmental tests: First, they rely on multiple single-function devices for step-by-step testing. During the testing process, samples need to be transferred between different devices, and the environment (such as temperature and humidity) of the samples changes during the transfer. Furthermore, they cannot simulate the synchronous effects of various environmental factors, resulting in significant deviations between the test results and the material properties under actual natural conditions, leading to low data accuracy. Second, the purchase cost of multiple devices is high, and they require a large space. At the same time, professional personnel are needed to operate different devices, significantly increasing operation and maintenance costs and labor costs. Third, the parameter control standards of different devices are not uniform, making it difficult to achieve coordinated control of parameters of various environmental factors. This makes it impossible to accurately simulate complex environmental combinations in different regions and scenarios, resulting in poor testing flexibility and applicability.

[0005] In addition, some test devices that attempt to integrate two environmental factors (such as the "salt-alkali corrosion-ultraviolet aging integrated device") still do not include sandblasting erosion function, which cannot meet the application testing needs of materials in windy, sandy, saline and alkaline and strong ultraviolet areas, and cannot comprehensively evaluate the composite environmental tolerance of materials. Summary of the Invention

[0006] The purpose of this invention is to provide a multi-field coupled environment simulation test device that can achieve integrated testing of three major environmental factors, ensure that the test environment is highly consistent with the actual natural environment, improve test efficiency and data reliability, and reduce equipment purchase and maintenance costs.

[0007] The specific technical solution adopted by this invention is as follows:

[0008] A multi-field coupling environment simulation test device includes a test chamber body, wherein the test chamber body is divided into upper and lower installation spaces by a first partition.

[0009] The installation space integrates a sandblasting erosion component for simulating a sandblasting erosion environment, a salt and alkali corrosion component for simulating a salt and alkali corrosion environment, and an ultraviolet aging component for simulating a sunlight ultraviolet environment.

[0010] The sandblasting erosion assembly consists of a sandblasting head, a sand hopper mechanism, and a sandblasting pump.

[0011] The sand silo mechanism includes a sand box, and a power blade driven by the gravity of the waste sand is provided on the falling path of the waste sand in the sand box.

[0012] The sand box is equipped with a second partition, which divides the interior of the sand box into two material chambers with different volumes. The bottoms of the two material chambers are connected to each other. The larger material chamber is a storage chamber, and the smaller material chamber is a waste sand filtration chamber.

[0013] The waste sand filtration chamber has a first insertion groove that is slidably connected to the filter plate, and the filter plate has a first push rod on one side.

[0014] A second rotating shaft is rotatably mounted on one side of the sand box and above the first insertion slot. A cam that cooperates with the first push rod is fixed at the bottom of the second rotating shaft, and the top of the second rotating shaft is connected to the mounting shaft of the power blade through a bevel gear set.

[0015] The filter plate is provided with two first guide rods on the side opposite to the first push rod. The outer wall of the sand box is fixed with an angle plate that is slidably connected to the first guide rod. The outer wall of the first guide rod and located between the angle plate and the sand box are provided with a first spring.

[0016] The falling waste sand drives the power blade to rotate, and the power blade drives the cam to rotate through the bevel gear set. During the rotation, the cam periodically contacts the filter plate and applies force to it. Combined with the elastic restoring force provided by the first spring, the filter plate reciprocates.

[0017] The sand silo mechanism is equipped with a cleaning mechanism for removing impurities.

[0018] The cleaning mechanism includes a reciprocating screw located inside the waste sand filtration chamber and above the filter plate, and a mounting plate is threaded onto the outer wall of the reciprocating screw.

[0019] The waste sand filtration chamber is equipped with a second guide rod that is slidably connected to the mounting plate. One end of the reciprocating screw extends to the outside of the sand box and is connected to the mounting shaft of the power blade through a belt linkage mechanism.

[0020] The bottom of the mounting plate has a plurality of second insertion slots arranged horizontally at equal intervals. A second push rod is slidably installed inside the second insertion slot to push the movement of impurities on the filter plate. A second spring connected to the second push rod is fixed to the inner side of the second insertion slot.

[0021] Powered by the same impeller, large impurities on the filter plate are automatically pushed into the collection tank for online automatic removal and collection of impurities.

[0022] The top of the first partition is provided with a rotating base, the top of the rotating base is provided with a liftable bracket, the salt and alkali corrosion component package is detachably connected to the liftable bracket in an immersion tank, and the inner top of the test chamber body is provided with a spray head.

[0023] The bottom of the test chamber body is equipped with a salt and alkali solution tank, and the bottom of the test chamber body is equipped with an infusion pump that is connected to the salt and alkali solution tank through a pipeline. The output end of the infusion pump is connected to the spray head and the soaking tank through a pipeline.

[0024] The ultraviolet aging component includes an ultraviolet lamp assembly located at the top of the test chamber body for emitting ultraviolet rays of different wavelengths. An ultraviolet intensity detection unit is provided on the inner side of the test chamber body and next to the sample. A temperature control component electrically connected to the ultraviolet lamp assembly is provided on the inner side of the test chamber body.

[0025] The waste sand filtration chamber is equipped with a feeding cone hopper inside, and the power blade is installed below the feeding cone hopper inside the waste sand filtration chamber.

[0026] The arc-shaped box structure of the power blade, and the inner side of the waste sand filtration chamber is fixed with a resistance spring that slides in contact with the protrusion of the power blade.

[0027] The technical effects achieved by this invention are as follows:

[0028] This invention features high integration and strong simulation realism. It integrates three major functional modules—sandblasting erosion, salt and alkali corrosion, and ultraviolet aging—into the same test chamber, enabling composite environment testing without the need to transfer samples. It can accurately simulate the synergistic effects of multiple factors on materials in the natural environment, and the test results are closer to actual application scenarios, significantly improving data accuracy.

[0029] This invention features controllable parameters and high flexibility: through the cooperation of a PLC control system and various sensors, key parameters such as sandblasting pressure, solution concentration, and ultraviolet intensity can be precisely adjusted, and test modes (synchronous testing / independent testing) can be flexibly switched, making it suitable for testing needs of different materials and different geographical environments, with wide applicability.

[0030] This invention improves efficiency and reduces costs. The integrated design reduces the number of equipment required and saves space. Automated control reduces the intensity of manual operation and shortens the testing cycle. At the same time, it avoids time loss and environmental interference during sample transfer, improves testing efficiency, and reduces equipment purchase and maintenance costs.

[0031] This invention is feature-rich and highly practical. It incorporates components such as a sand filter, solution concentration monitoring, and ultraviolet intensity detection to ensure a stable and controllable testing process. The sample fixing mechanism allows for height and angle adjustment, ensuring that all parts of the sample are fully exposed to environmental influences, further enhancing testing reliability. It can be widely applied to material testing in various industries and has a promising market prospect. Attached Figure Description

[0032] Figure 1 is a front view of the present invention;

[0033] Figure 2 is a schematic diagram of the internal structure of the present invention;

[0034] Figure 3 is a top view of the sand box structure of the present invention;

[0035] Figure 4 is a side view of the sand box structure of the present invention;

[0036] Figure 5 is a schematic diagram of the cam structure of the present invention;

[0037] Figure 6 is a schematic diagram of the internal structure of the sand box of the present invention;

[0038] Figure 7 is a schematic diagram of the first spring mounting structure of the present invention;

[0039] Figure 8 is a schematic diagram of the power blade structure of the present invention;

[0040] Figure 9 is a schematic diagram of the filter plate structure of the present invention;

[0041] Figure 10 is a schematic diagram of the cross-sectional structure of the mounting plate of the present invention.

[0042] The attached diagram lists the components represented by each number as follows:

[0043] 1. Test chamber body; 2. Sample loading and unloading door; 3. Observation window; 4. Ventilation vent; 5. Second loading and unloading door; 6. Touch screen; 7. Spray head; 8. Temperature control component; 9. Ultraviolet intensity detection unit; 10. Immersion tank; 11. Concentration sensor; 12. Sandblasting pump; 13. Salt and alkali solution tank; 14. Infusion pump; 15. Waste recovery bin; 16. Sand bin mechanism; 1601. Sand bin; 1602. Second partition; 1603. Inner cone hopper for material discharge; 1604. Power blade; 1605. Bevel gear set; 1606. Second rotating shaft; 1607. Resistance spring; 1608. Cam; 1609. First insertion slot; 1610. Filter plate; 1611. First push rod; 1612. Angle plate; 1613. First guide rod; 1614. First spring; 17. Cleaning mechanism; 1701. Reciprocating screw; 1702. Mounting plate; 1703. Belt linkage mechanism; 1704. Second push rod; 1705. Second spring; 1706. Cleaning pipe groove; 1707. Protrusion; 18. PLC control system; 19. Rotating base; 20. Liftable bracket; 21. Sandblasting head; 22. Ultraviolet lamp assembly; 23. Insulation layer. Detailed Implementation

[0044] To make the objectives and advantages of this invention clearer, the invention will be specifically described below with reference to embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of the invention and does not strictly limit the scope of protection specifically claimed by the invention.

[0045] As shown in Figures 1 and 2, a multi-field coupling environment simulation test device includes a test chamber body 1. The test chamber body 1 is divided into upper and lower installation spaces by a first partition. The side wall of the test chamber body 1 is provided with a sample loading and unloading door 2, and the sample loading and unloading door 2 is provided with an observation window 3. The test chamber body 1 is a sealed box structure and is made of 304 stainless steel. The inner wall of the test chamber body 1 is covered with a heat insulation layer 23, which is at least one of rock wool, glass wool or ceramic fiber wool. A ventilation opening 4 is provided on the bottom of the outer side of the test chamber body 1.

[0046] Based on the above structure, the observation window 3 and sample loading / unloading door 2 are provided to facilitate observation of the test process and sample handling; the insulation layer 23 is provided to reduce fluctuations in environmental parameters inside the chamber; the waste recycling bin 15 is provided for the collection of waste materials and waste liquids; and the ventilation opening 4 is provided to facilitate the flow of air inside the test chamber body 1 and to dissipate heat from electronic components.

[0047] As shown in Figures 2-9, the installation space integrates a sandblasting corrosion component for simulating a sandblasting corrosion environment, a salt and alkali corrosion component for simulating a salt and alkali corrosion environment, and an ultraviolet aging component for simulating a sunlight ultraviolet environment.

[0048] The sandblasting erosion assembly consists of a sandblasting head 21, a sand hopper mechanism 16, and a sandblasting pump 12.

[0049] The sand silo mechanism 16 includes a sand box 1601, and a power blade 1604 driven by the gravity of the waste sand is provided on the falling path of the waste sand in the sand box 1601.

[0050] When the power blade 1604 drives the cam 1608 to rotate, the cam 1608 periodically contacts the filter plate 1610 and applies force to it during the rotation process. Combined with the elastic restoring force provided by the first spring 1614, the filter plate 1610 generates reciprocating vibration, which is used for the smooth feeding and filtration of waste sand.

[0051] The sand box 1601 is provided with a second partition 1602, which divides the interior of the sand box 1601 into two material chambers with different volumes, and the bottoms of the two material chambers are connected to each other. The larger volume material chamber is the storage chamber, and the smaller volume material chamber is the waste sand filtration chamber.

[0052] The waste sand filter chamber is equipped with a feeding cone 1603 inside, and a power blade 1604 is installed below the feeding cone 1603 inside the waste sand filter chamber; the power blade 1604 has an arc-shaped box structure, and a resistance spring 1607 is fixed on the inner side of the waste sand filter chamber to slide in contact with the protrusion of the power blade 1604.

[0053] The waste sand filtration chamber has a first insertion groove 1609 that is slidably connected to the filter plate 1610. A first push rod 1611 is provided on one side of the filter plate 1610. A second rotating shaft 1606 is rotatably installed on one side of the sand box 1601 and above the first insertion groove 1609. A cam 1608 that cooperates with the first push rod 1611 is fixed at the bottom of the second rotating shaft 1606. The top of the second rotating shaft 1606 is connected to the mounting shaft of the power blade 1604 through a bevel gear set 1605.

[0054] Two first guide rods 1613 are provided on the side opposite to the first push rod 1611 of the filter plate 1610. An angle plate 1612 that is slidably connected to the first guide rod 1613 is fixed on the outer wall of the sand box 1601. A first spring 1614 is provided on the outer wall of the first guide rod 1613 and between the angle plate 1612 and the sand box 1601.

[0055] According to the above structure, the sandblasting head 21 is a copper nozzle. The sandblasting pump 12 delivers sand from the sand hopper mechanism 16 to the sandblasting head 21 at a set pressure through pipelines. The spray angle of the sandblasting head 21 can be adjusted manually or electrically. The sandblasting head 21 sprays the sample surface according to a preset angle pattern to simulate wind and sand erosion. The sprayed sand enters the waste sand filter chamber in the sand box 1601 through the waste recovery bin 15. The falling waste sand drives the power blade 1604 to rotate. The power blade 1604 drives the cam 1608 to rotate through the bevel gear set 1605. During the rotation of the cam 1608... The filter plate 1610 is periodically contacted and subjected to force. Combined with the elastic restoring force provided by the first spring 1614, the filter plate 1610 reciprocates and vibrates, which is used for the smooth feeding and filtration of waste sand. The arc-shaped box structure of the power blade 1604, combined with the resistance spring 1607, allows the power blade 1604 to overcome the resistance of the resistance spring 1607 on the power blade 1604 by its own gravity after loading a large amount of waste sand, making the power blade 1604 rotate more strongly. This facilitates the vibration of the subsequent filter plate 1610 and the movement of the mounting plate 1702, increasing the practicality of the equipment.

[0056] As shown in Figures 5, 9, and 10, the sand silo mechanism 16 is equipped with a cleaning mechanism 17 for removing impurities. Powered by the same drive blade 1604, it automatically pushes large impurities on the filter plate 1610 into the collection trough for online automatic removal and collection of impurities. The cleaning mechanism 17 includes a reciprocating screw 1701 located inside the waste sand filtration chamber and above the filter plate 1610. A mounting plate 1702 is threaded onto the outer wall of the reciprocating screw 1701. A second guide rod is slidably connected to the mounting plate 1702 inside the waste sand filtration chamber, and one end of the reciprocating screw 1701 extends... The sand box 1601 is connected to the mounting shaft of the power blade 1604 via a belt linkage mechanism 1703. The bottom of the mounting plate 1702 has multiple second insertion slots arranged horizontally at equal intervals. A second push rod 1704 is slidably installed inside the second insertion slot to push the movement of impurities on the filter plate 1610. A second spring 1705 connected to the second push rod 1704 is fixed inside the second insertion slot. A cleaning pipe groove 1706 is provided through the top two sides of the filter plate 1610. A protrusion 1707 is provided on the top of the filter plate 1610 and on one side of the cleaning pipe groove 1706.

[0057] According to the above structure, the rotation of the power blade 1604, in conjunction with the belt linkage mechanism 1703, drives the reciprocating screw 1701 to rotate. The reciprocating screw 1701 drives the mounting plate 1702 to move, and the mounting plate 1702 drives the second push rod 1704, which facilitates the pushing of impurities on the filter plate 1610 into the cleaning pipe groove 1706 for unified collection and treatment. The protrusion 1707 is provided to prevent sand from entering the cleaning pipe groove 1706.

[0058] As shown in Figure 2, the top of the first partition is provided with a rotating base 19, the top of the rotating base 19 is provided with a liftable bracket 20, the salt and alkali corrosion component package is detachably connected to the liftable bracket 20 in the soaking tank 10, and the inner top of the test chamber body 1 is provided with a spray head 7.

[0059] As shown in Figure 2, a salt and alkali solution tank 13 is provided at the bottom of the test chamber body 1. An infusion pump 14 is provided at the bottom of the test chamber body 1 and is connected to the salt and alkali solution tank 13 through a pipeline. The output end of the infusion pump 14 is connected to the spray head 7 and the soaking tank 10 through a pipeline. A concentration sensor 11 is provided inside the salt and alkali solution tank 13.

[0060] According to the above structure, the spray head 7 can realize the spray corrosion of the sample by the solution, the soaking tank 10 can realize the soaking corrosion of the sample, the salt and alkali solution tank 13 is used to store the salt and alkali solution; the concentration sensor 11 is used to monitor the solution concentration in real time and feed back the data, so that the system can replenish the solute or solvent in time to maintain the concentration stability; the rotating base 19 is driven by a stepper motor, and the speed adjustment range is 0-10r / min; the height-adjustable bracket 20 is driven by an electric push rod, and the height adjustment range is 0-500mm.

[0061] As shown in Figure 2, the ultraviolet aging component includes an ultraviolet lamp group 22 located at the top of the test chamber body 1 for emitting ultraviolet rays of different wavelengths, an ultraviolet intensity detection unit 9 located on the inner side of the test chamber body 1 and next to the sample, and a temperature control component 8 electrically connected to the ultraviolet lamp group 22 located on the inner side of the test chamber body 1.

[0062] According to the above structure, the ultraviolet lamp group 22 can emit ultraviolet rays of different wavelengths to simulate the ultraviolet environment of sunlight; the temperature control component 8 is electrically connected to the ultraviolet lamp group 22 to regulate the working temperature of the lamp group and avoid the excessive temperature of the lamp group during operation from affecting the test environment; the ultraviolet irradiation intensity of the sample surface is monitored in real time to ensure that the intensity meets the test requirements.

[0063] As shown in Figure 2, the test chamber body 1 is also equipped with a PLC control system 18. The PLC control system 18 is electrically connected to the sandblasting corrosion module, the salt and alkali corrosion module, the ultraviolet aging module and the sample fixing mechanism. The PLC control system 18 sets the test parameters through the touch screen 6 or the remote terminal, controls the start and stop and working sequence of each module, and stores the parameter data in the test process through the data storage module. The PLC control system 18 is a Siemens S7-200SMART type PLC, equipped with a 10-inch industrial touch screen 6 or a remote terminal. The PLC control system 18 also includes a power supply module to provide power to the equipment.

[0064] According to the above structure, the PLC control system 18 is electrically connected to the sandblasting pump 12, the infusion pump 14, the concentration sensor 11, the ultraviolet lamp group 22, the temperature control component 8, the ultraviolet intensity detection unit 9, the electric push rod, and the stepper motor component. The PLC control system 18 can control the start and stop and working sequence of each module, realize the synchronous action test of the three major environmental factors or the independent switching test, and store the parameter data during the test. Through the cooperation of the PLC control system 18 and various sensors, key parameters such as sandblasting pressure, solution concentration, and ultraviolet intensity can be accurately controlled, and the test mode can be flexibly switched. It is suitable for the testing needs of different materials and different regional environments, and has wide applicability.

[0065] As shown in Figure 2, a waste recycling bin 15 is provided at the bottom of the test chamber body 1. The discharge port of the waste recycling bin 15 is connected to the top of one side of the waste sand filter chamber. The waste sand collected by the waste recycling bin 15 can smoothly enter the waste sand filter chamber, which facilitates the subsequent filtration and reuse of the waste sand.

[0066] A second loading and unloading door 5 is provided on one side of the test chamber body 1. A touch screen 6 is provided on the outer wall of the test chamber body 1 above the second loading and unloading door 5. The second loading and unloading door 5 is used for adding sand and salt and alkali solutions, which increases the practicality and completeness of the equipment.

[0067] The working principle of this invention is as follows: the operator fixes the sample to be tested on the liftable bracket 20 of the sample fixing mechanism through the sample pick-up and put-out door 2, and adjusts the height of the bracket and the initial angle of the rotating base 19 according to the test requirements; the operator adds the specified sand to the sand bin mechanism 16 through the second pick-up and put-out door 5, injects the prepared salt and alkali solution into the salt and alkali solution tank 13, and closes all the bin doors to ensure that the test chamber body 1 is sealed.

[0068] Operators input test parameters to the PLC control system 18 via touchscreen 6 or a remote terminal, including:

[0069] Sandblasting erosion parameters (sandblasting pressure, sandblasting duration, and spray angle adjustment rules); salt and alkali corrosion parameters (corrosion mode selection (spraying / immersion), solution concentration, and treatment duration); ultraviolet aging parameters (ultraviolet wavelength combination, irradiation intensity, irradiation duration, and temperature control threshold); sample posture parameters (rotating base speed 19, height adjustment frequency of the liftable bracket 20); total test duration and collaborative logic of each module;

[0070] The PLC control system 18 starts the coordinated operation of each module according to the set parameters:

[0071] The sandblasting erosion module uses a sandblasting pump 12 to deliver sand from the sand hopper mechanism 16 to the sandblasting head 21 at a set pressure. The head sprays the sample surface at a preset angle to simulate wind and sand erosion. The salt and alkali corrosion module uses a spraying mode, where a liquid pump 14 delivers the solution from the salt and alkali solution tank 13 to the spray head 7 to spray the sample. In the immersion mode, the solution is injected into the immersion tank 10, and the sample is lowered into the immersion tank 10 by the liftable support 20. A concentration sensor 11 provides real-time feedback of concentration data, and the system automatically replenishes solute / solvent to maintain a stable concentration. The ultraviolet aging module uses an ultraviolet lamp group 22 to emit ultraviolet rays of a set wavelength. The ultraviolet intensity detection unit 9 monitors the irradiation intensity on the sample surface in real-time and feeds it back to the system to ensure stable intensity. A temperature control component 8 adjusts the lamp group temperature in real-time to prevent overheating inside the chamber. The sample fixing mechanism uses a rotating base 19 to rotate the sample 360° at a set speed, and a liftable support 20 adjusts its height according to a preset pattern to ensure that all parts of the sample are evenly subjected to the effects of the three environmental factors.

[0072] During the experiment, the operator can observe the sample status in real time through the observation window 3. The PLC control system 18 continuously records and stores the operating parameters of each module (such as pressure, concentration, intensity, temperature, etc.). If the parameters deviate from the set range, the system automatically adjusts the relevant components (such as increasing the power of the sandblasting pump 12, replenishing the solution, adjusting the power of the lamp group, etc.) to ensure the stability of the test environment.

[0073] After the set time is reached, the PLC control system 18 automatically shuts down all modules and the sample fixing mechanism is reset. The operator opens the sample pick-up and drop-off door 2 to take out the sample for subsequent analysis. The waste and waste liquid generated during the test are cleaned up through the waste recycling bin 15, completing one complete test cycle.

[0074] The above description is merely a preferred embodiment of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described or explained in this invention are implemented according to conventional methods in the art unless otherwise specified or limited.

Claims

1. A multi-field coupling environment simulation test device, comprising a test chamber body (1), characterized in that, The test chamber body (1) is divided into an upper and lower installation space by a first partition. The installation space integrates a sandblasting erosion component for simulating a sandblasting erosion environment, a salt and alkali corrosion component for simulating a salt and alkali corrosion environment, and an ultraviolet aging component for simulating a sunlight ultraviolet environment. The sandblasting erosion component consists of a sandblasting head (21), a sand hopper mechanism (16), and a sandblasting pump (12). The sand hopper mechanism (16) includes a sand hopper (1601), and a power blade (1604) driven by the gravity of the waste sand is provided on the falling path of the waste sand in the sand hopper (1601). The sand hopper (1601) is provided with a second partition (1602) inside, which divides the sand hopper (1601) into two parts. The structure is partially divided into two material chambers with different volumes, and the bottoms of the two material chambers are interconnected. The larger volume material chamber is a storage chamber, and the smaller volume material chamber is a waste sand filtration chamber. The waste sand filtration chamber has a first insertion groove (1609) that is slidably connected to the filter plate (1610). A first push rod (1611) is provided on one side of the filter plate (1610). A second rotating shaft (1606) is rotatably installed on one side of the sand box (1601) and above the first insertion groove (1609). The bottom of the second rotating shaft (1606) is fixed with a cam (1608) that cooperates with the first push rod (1611). The top of the second rotating shaft (1606) is connected to the power blade (1604) through a bevel gear set (1605). The filter plate (1610) is connected to the mounting shaft; two first guide rods (1613) are provided on the side opposite to the first push rod (1611). An angle plate (1612) is fixed on the outer wall of the sand box (1601) and slidably connected to the first guide rod (1613). A first spring (1614) is provided on the outer wall of the first guide rod (1613) between the angle plate (1612) and the sand box (1601). The falling waste sand drives the power blade (1604) to rotate. The power blade (1604) drives the cam (1608) to rotate through the bevel gear set (1605). During the rotation, the cam (1608) periodically contacts the filter plate (1610) and applies pressure to it. The force, combined with the elastic restoring force provided by the first spring (1614), causes the filter plate (1610) to reciprocate; the sand hopper mechanism (16) is provided with a cleaning mechanism (17) for cleaning impurities; the cleaning mechanism (17) includes a reciprocating screw (1701) located in the waste sand filtration chamber and above the filter plate (1610), and the outer wall of the reciprocating screw (1701) is threaded with an mounting plate (1702); the interior of the waste sand filtration chamber is provided with a second guide rod that is slidably connected to the mounting plate (1702), and one end of the reciprocating screw (1701) extends to the outside of the sand hopper (1601) and is connected to the mounting shaft of the power blade (1604) through a belt linkage mechanism (1703);The bottom of the mounting plate (1702) has multiple second insertion slots arranged horizontally at equal intervals. A second push rod (1704) is slidably installed inside each second insertion slot to move impurities on the filter plate (1610). A second spring (1705) connected to the second push rod (1704) is fixed to the inner side of each second insertion slot. Powered by the same drive blade (1604), large impurities on the filter plate (1610) are automatically pushed into a collection tank for online automatic removal and collection of impurities.

2. The multi-field coupling environment simulation test device according to claim 1, characterized in that: The top of the first partition is provided with a rotating base (19), the top of the rotating base (19) is provided with a liftable bracket (20), the salt and alkali corrosion component package is detachably connected to the liftable bracket (20) in an immersion tank (10), and the inner top of the test chamber body (1) is provided with a spray head (7).

3. The multi-field coupling environment simulation test device according to claim 1, characterized in that: The bottom of the test chamber body (1) is provided with a salt and alkali solution tank (13), and the bottom of the test chamber body (1) is provided with an infusion pump (14) connected to the salt and alkali solution tank (13) through a pipeline. The output end of the infusion pump (14) is connected to the spray head (7) and the soaking tank (10) through a pipeline.

4. The multi-field coupling environment simulation test device according to claim 1, characterized in that: The ultraviolet aging component includes an ultraviolet lamp group (22) located at the top of the test chamber body (1) for emitting ultraviolet rays of different wavelengths. An ultraviolet intensity detection unit (9) is provided on the inner side of the test chamber body (1) and next to the sample. A temperature control component (8) electrically connected to the ultraviolet lamp group (22) is provided on the inner side of the test chamber body (1).

5. The multi-field coupling environment simulation test device according to claim 1, characterized in that: The waste sand filtration chamber is provided with a feeding cone (1603) inside, and the power blade (1604) is installed below the feeding cone (1603) inside the waste sand filtration chamber; the power blade (1604) has an arc-shaped box structure, and the inner side of the waste sand filtration chamber is fixed with a resistance spring (1607) that slides in contact with the protrusion of the power blade (1604).

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