Heat flow adjustable oxygen-acetylene ablation system for heat insulation layer of solid rocket engine

Abstract

The invention provides a heat flow adjustable oxygen-acetylene ablation system for a heat insulation layer of a solid rocket engine, the heat flow adjustable oxygen-acetylene ablation system is divided into an operation area and a control area, in the operation area, a power system provides power support for a continuous operation system; the automatic sample loading system is used for completing the processes of grabbing, transporting and feeding a sample; the continuous operation system drives the sample to run in the track; the temperature measuring system measures and records the change condition of the back temperature of the sample in the ablation process; the automatic discharging system completes the processes of sample returning, grabbing, transporting, placing and the like. The heat flow control system provides heat flow and an ablation angle required by an ablation test. In the control area, the remote monitoring unit remotely monitors the running state of the equipment; the control unit controls test parameters and a test process; the information storage unit records and stores test information. The operation area and the control area are remotely and physically isolated, so that potential safety hazards brought to operators in the oxygen-acetylene ablation process are eliminated, and the intrinsic safety of sample preparation is greatly improved.

Description

Technical Field

[0001] This invention belongs to the technical field of ablation resistance testing of solid rocket engine insulation layers, and specifically relates to an automatic ablation system for solid rocket engine insulation layers with adjustable heat flow at multiple angles and in multiple segments. Background Technology

[0002] As a core component ensuring the safe and stable operation of solid rocket motors, the insulation layer plays multiple crucial roles under extreme conditions, and its performance directly affects the success or failure of the mission. In the field of high-temperature protection, the insulation layer is a veritable "Great Wall of Steel" against the onslaught of heat. After ignition, the combustion chamber instantly generates high-temperature gases exceeding 3000°C. The insulation layer, thanks to its special materials with low thermal conductivity and scientific structural design, forms an efficient thermal barrier, significantly reducing the heat transferred to the engine casing. This keeps the casing temperature within the material's tolerance range, preventing fatal problems such as metal softening and sudden drops in strength, thus ensuring the structural integrity of the solid rocket motor under high-temperature environments. In terms of erosion resistance and corrosion prevention, the insulation layer is a "robust armor" protecting the engine's inner walls. During engine operation, the combustion gases scour the inner walls at speeds of hundreds of meters per second, accompanied by complex chemical corrosion. The insulation layer utilizes ablation-resistant polymer-based composite materials and reinforcing fibers to form a dense carbonized layer on the surface. With its excellent mechanical strength and chemical stability, it effectively reduces the physical erosion and chemical corrosion caused by the combustion gases, slowing down material wear and ensuring that the engine's internal structure remains undamaged during its short operating cycles, allowing it to maintain stable performance. From a structural support perspective, the insulation layer is a "reliable support" for maintaining stable propellant combustion. It closely adheres to the propellant grain, providing stable mechanical constraints. Under complex conditions such as the intense vibrations at rocket ignition and overload impacts during flight, it prevents displacement, deformation, or rupture of the propellant grain, ensuring stable combustion along the predetermined combustion surface. This guarantees the stability and reliability of the engine's thrust output and avoids catastrophic accidents such as abnormal combustion or even explosions caused by propellant grain structural instability, thus building a solid safety barrier for the successful implementation of space missions.

[0003] Conducting oxy-acetylene ablation tests on the insulation layer of solid rocket engines is a crucial step in evaluating material performance and ensuring the safe and reliable operation of the engine. Oxy-acetylene flames reach temperatures exceeding 3000℃, and the high-speed gas flow can simulate the high-temperature combustion environment within the engine. While it cannot completely replicate the complex composition and pressure changes of combustion gases under real-world conditions, its advantages of flexible operation, controllable cost, and short testing cycle allow for the rapid acquisition of performance data on the insulation layer under extreme thermal flux conditions. By precisely measuring the mass loss, thickness change, and surface morphology of the insulation layer before and after the test, core parameters such as mass ablation rate and linear ablation rate can be quantitatively calculated, providing a direct assessment of the material's high-temperature resistance and erosion resistance. This allows for the selection of high-performance material formulations, accelerating the development of new materials. Furthermore, the test data provides a basis for data simulation and theoretical model calibration, helping researchers more accurately predict the ablation behavior of the insulation layer during actual engine operation. This contributes to optimizing the design of thermal protection systems, reducing the risk of engine accidents caused by insulation layer failure, and strengthening the technical defenses for the safe operation of solid rocket engines and the successful implementation of space missions.

[0004] Traditional oxygen-acetylene ablation tests for solid rocket motor insulation layers have limited testing conditions and fixed ablation angles, failing to meet the demands for adjustable heat flow and ablation angles over a wide range. Furthermore, these tests involve high-temperature flames, high-pressure combustion gases, and flammable and explosive gases, posing multiple risks such as fires caused by flame splashes, explosions due to oxygen and acetylene leaks, and burns to operators from high-temperature heat radiation. Harmful gases generated during insulation layer ablation also threaten the health of operators. Therefore, developing an automated, continuously operating ablation system for solid rocket motor insulation layers with adjustable heat flow and ablation angles is crucial for unmanned testing. This ablation system, through automated control and precise adjustment, can remotely control oxygen and acetylene flow rates, enabling automatic ignition, sample introduction, sample removal, and continuous ablation operations, achieving unmanned operation and enhancing the inherent safety of the test. Meanwhile, the multi-angle adjustable design can simulate the heat flow distribution under complex operating conditions of solid rocket engines and comprehensively evaluate the ablation performance of the insulation layer in all directions; the multi-segment heat flow adjustable function can flexibly design test parameters to cover test requirements of different degrees of severity, and improve the reliability and applicability of data; it is of great significance to promoting the development of thermal protection technology for solid rocket engines. Summary of the Invention

[0005] This invention addresses the limitations of traditional oxygen-acetylene ablation testing techniques for solid rocket motor insulation layers and the significant safety hazards inherent in the testing process. It aims to provide a continuously automated ablation system for solid rocket motor insulation layers with adjustable heat flow at multiple angles and in multiple segments. This system automates the entire oxygen-acetylene ablation test process, physically isolating operators from the ablation test site and ensuring the inherent safety of the test. Furthermore, it enables remote adjustment of the ablation angle and heat flow during the test, significantly improving the testing technology for oxygen-acetylene ablation of solid rocket motor insulation layers and filling a gap in this testing capability.

[0006] The technical solution provided by this invention is as follows: A heat-flux adjustable oxygen-acetylene ablation system for the insulation layer of a solid rocket motor includes a physically isolated operating area and a control area. The operating area includes: a power system, an automatic sample loading system, a continuous operation system, a temperature measurement system, an automatic material feeding system, and a heat flow control system. The control area includes: a remote monitoring unit, a control unit, and an information storage unit. The power system provides power support for the continuous operation system; The automated sample loading system completes the sample grabbing, transportation, and injection process; The continuous operation system drives the sample to move at a set speed and pace; A temperature measurement system measures and records the temperature changes on the back of the sample during the ablation process. The automated feeding system completes the sample unloading, gripping, transportation, and placement process. The heat flow control system provides the heat flow and ablation angle required for the ablation test according to the test requirements. The remote monitoring unit is used to remotely monitor the operating status of the equipment. The control unit is used to control the test parameters, including ablation time, ablation distance, and ablation angle, as well as the test process. The information storage unit is used to record and store test information, including sample batch number and back temperature.

[0007] The heat flux adjustable oxygen-acetylene ablation system for the insulation layer of a solid rocket motor provided by the present invention has the following beneficial effects: (1) The heat flow adjustable oxygen-acetylene ablation system for solid rocket engine insulation layer provided by the present invention is set up with two parts: a working area and a control area. The working area realizes the ablation test of the sample; the control area is used to remotely control the working area, input the corresponding working instructions to the working area and monitor the working process of the working area; the working area and the control area are remotely physically isolated and connected by optical fiber, realizing the remote oxygen-acetylene ablation test of solid rocket engine insulation layer sample, eliminating the safety hazards to the operator caused by the oxygen-acetylene ablation process, and greatly improving the inherent safety of sample preparation.

[0008] (2) The heat flow adjustable oxygen-acetylene ablation system for solid rocket motor insulation layers provided by this invention enables remote, dynamic, and continuous adjustment of the ablation angle and ablation heat flow during the oxygen-acetylene ablation process, greatly improving the testing technology for oxygen-acetylene ablation of solid rocket motor insulation layers and filling the gap in this type of testing capability. The automatic sample loading system, continuous operation system, temperature measurement system, and automatic material unloading system enable continuous and efficient operation of the test.

[0009] (3) The heat flow adjustable oxygen-acetylene ablation system for the insulation layer of solid rocket engines provided by the present invention can be controlled by a remote operation control system. The oxygen-acetylene ablation system can be automatically tested under specific conditions by simply inputting information such as sample type, quantity, ablation angle, and ablation heat flow into the operating system. Attached Figure Description

[0010] Figure 1 Schematic diagram of an adjustable heat flow ablation system for the insulation layer of a solid rocket motor. Figure 2 This is a schematic diagram of the overall structure of the automated sample loading system; Figure 3 This is a partial structural diagram of the automated sample loading system; Figure 4 This is a schematic diagram of a continuous operation system + temperature measurement system + heat flow control system. Figure 5 This is a schematic diagram of the overall structure of the automatic sample feeding system.

[0011] In the diagram: 1 is the power system; 2 is the automatic sample loading system; 3 is the continuous operation system; 4 is the temperature measurement system; 5 is the automatic feeding system; 6 is the heat flow control system; 2-1 is the telescopic support for the material box storage; 2-2 is the driver for the telescopic support for the material box storage; 2-3 is the horizontal slide rail; 2-4 is the top material mechanism; 2-5 is the driver for the top material mechanism; 2-6 is the material box; 2-7 is the pneumatic gripper; 2-8 is the cylinder for the pneumatic gripper; 2-9 is the telescopic support for the pneumatic gripper; 2-10 is the L-shaped cam groove; 2-11 is the rotary bearing; 3-1 is the annular continuous operation track; 3-2 is the sample holder; 3-3 is the circulating cooling system; 5 is the automatic feeding system; 5-1 is the telescopic support II for the material box storage; 5-2 5-3 is the material box storage telescopic bracket driver II; 5-4 is the horizontal slide rail II; 5-5 is the material lifting mechanism II; 5-6 is the material box II; 5-7 is the pneumatic gripper II; 5-8 is the pneumatic gripper matching cylinder II; 5-9 is the pneumatic gripper telescopic bracket II; 5-10 is the L-shaped cam groove II; 5-11 is the rotating bearing II; 6-1 is the swing mechanism; 6-2 is the positioner; 6-3 is the ignition bracket; 6-4 is the electric spark igniter; 6-5 is the ablation gun; 6-6 is the angle adjustment mechanism; 6-7 is the ablation gun distance adjustment driver; 6-8 is the ablation gun distance adjustment telescopic bracket; 6-9 is the ablation gun moving guide rail; 6-10 is the ablation bracket. Detailed Implementation

[0012] The features and advantages of the present invention will become clearer and more explicit from the following detailed description.

[0013] The term “exemplary” as used herein means “serving as an example, embodiment, or illustration.” Any embodiment illustrated herein as “exemplary” is not necessarily to be construed as superior to or better than other embodiments.

[0014] This invention provides a heat flux adjustable oxygen-acetylene ablation system for solid rocket motor insulation layers. The system comprises two parts: a working area and a control area. The working area enables ablation tests on solid rocket motor insulation layer samples under different heat fluxes and angles. The control area remotely controls the working area, inputting corresponding test commands and monitoring its workflow. The working area and control area are remotely physically isolated but connected via fiber optic cables, achieving fully automated multi-segment heat flux and multi-angle ablation testing of solid rocket motor insulation layers. This eliminates safety hazards to operators during ablation testing and significantly improves the inherent safety of the test.

[0015] like Figure 1As shown, the present invention provides a heat flow adjustable oxygen-acetylene ablation system for the insulation layer of a solid rocket engine, comprising a physically isolated operating area and a control area. The operating area includes: a power system 1, an automatic sample loading system 2, a continuous operating system 3, a temperature measurement system 4, an automatic material unloading system 5, and a heat flow control system 6; the control area includes: a remote monitoring unit, a control unit, and an information storage unit. Power system 1 provides power support for continuous operation system 3; The automatic sample loading system 2 completes the processes of sample grabbing, transportation, and injection. The continuous operation system 3 drives the sample to run within the track under the characteristic parameters such as moving speed and progress set in the program; Temperature measurement system 4 measures and records the temperature change on the back of the sample during the ablation process; The automatic feeding system 5 completes the processes of sample unloading, gripping, transportation, and placement. The heat flow control system 6 provides the heat flow and ablation angle required for the ablation test according to the test requirements.

[0016] The remote monitoring unit is used to remotely monitor the operating status of the equipment. The control unit is used to control test parameters such as ablation time, ablation distance, and ablation angle, as well as the test process. The information storage unit is used to record and store information such as sample batch number and back temperature.

[0017] like Figure 1 As shown, the power system 1 is designed as a gear disk, with a motor or cylinder connected to the lower end of the gear disk. The gear model of the power system 1 matches the gear model of the annular continuous operation track 3-1 of the continuous operation system 3. When the power system 1 is running, it drives the continuous operation system 3 through the gear.

[0018] The main function of the propulsion system 1 is to provide continuous power for the heat flow adjustable ablation system of the solid rocket engine insulation layer.

[0019] like Figure 2 and Figure 3 As shown, the automatic sample loading system 2 is a complete unit that works together to complete the processes of sample grabbing, transportation, and injection. The automatic sample loading system 2 includes a material box storage telescopic bracket 2-1, a material box storage telescopic bracket driver 2-2, a horizontal slide rail 2-3, a material lifting mechanism 2-4, a material lifting mechanism driver 2-5, a material box 2-6, a pneumatic gripper 2-7, a pneumatic gripper matching cylinder 2-8, a pneumatic gripper telescopic bracket 2-9, an L-shaped cam groove 2-10, and a rotating bearing 2-11.

[0020] The tail end of the telescopic storage bracket 2-1 is designed as a rod, with a length not shorter than that of the horizontal slide rail 2-3, and it connects to the telescopic storage bracket driver 2-2. The front section has a concave groove design, which is placed inside the horizontal slide rail 2-3. The width of the concave groove is consistent with the outer diameter of the material box 2-6, and the length is consistent with the total length of the material boxes 2-6. A through hole is provided on the bottom plate to allow the top material mechanism 2-4 to pass through. The telescopic storage bracket driver 2-2 provides driving force to the telescopic storage bracket 2-1, causing the telescopic storage bracket 2-1 to extend and retract within the horizontal slide rail 2-3.

[0021] The material box 2-6 is cylindrical with a concave side for easy sample gripping and placement. The bottom is hollow, with the diameter of the hollow portion matching that of the top-feeding mechanism 2-4. The inner diameter of the material box 2-6 matches the outer diameter of the sample as required by GJB 323B-2018 "Test Method for Ablation of Ablation Materials," and the depth matches the total number of samples in a single group as required by GJB 323B-2018 "Test Method for Ablation of Ablation Materials." Multiple material boxes 2-6 can be designed according to testing needs. The material box 2-6 is placed inside the concave groove at the front of the material box storage telescopic bracket 2-1 and moves together with the material box storage telescopic bracket 2-1, extending and retracting as needed.

[0022] The top material mechanism 2-4 is a rod-shaped design, with its length consistent with the depth of the material box 2-6 and its diameter consistent with the diameter of the hollow part at the bottom of the material box 2-6; the top material mechanism 2-4 is fixed directly below the material box 2-6; the top material mechanism 2-4 is connected to the top material mechanism driver 2-5, which provides the power for the top material mechanism 2-4 to move vertically up and down.

[0023] The pneumatic gripper 2-7 is connected to the pneumatic gripper cylinder 2-8, which provides tension and gripping force to the gripper 2-7 to complete the sample gripping operation. The pneumatic gripper cylinder 2-8 is connected to the rotating bearing 2-11. Part of the rotating bearing 2-11 is connected to the pneumatic gripper telescopic bracket 2-9, and part is connected to the L-shaped cam groove 2-10. The pneumatic gripper telescopic bracket 2-9 drives the pneumatic gripper 2-7, the pneumatic gripper cylinder 2-8, and the rotating bearing 2-11 to move within the L-shaped cam groove 2-10. When the movement reaches the top of the L-shaped cam groove 2-10 (the rising area), the rotating bearing 2-11 activates, driving the pneumatic gripper 2-7 and the pneumatic gripper cylinder 2-8 to complete a 90° rotation. ○ Vertical downward flip operation.

[0024] The pneumatic gripper 2-7 is spatially located between the material box 2-6 and the sample holder 3-2 of the continuous operation system 3. It moves between the material box 2-6 and the sample holder 3-2 to complete the gripping and injection of the sample. During gripping, the pneumatic gripper 2-7 is located directly above the material box 2-6, with a height 10mm higher than the height of one sample in the material box, consistent with the sample height in GJB 323B-2018 "Ablation Test Method for Ablation Materials". After gripping, the sample is transferred to the top of the sample holder 3-2, and the pneumatic gripper 2-7 is released, allowing the sample to enter the sample holder 3-2, thus completing the sample injection.

[0025] The main functions of the automatic sample loading system 2 are to complete the processes of sample grabbing, transportation, and injection.

[0026] like Figure 4 As shown, the continuous operation system 3 includes a ring-shaped continuous operation track 3-1, a sample holder 3-2, and a circulating cooling system 3-3.

[0027] The annular continuous working track 3-1 is a circular and hollow design, with its interior connected to the circulating cooling system 3-3. An external gear belt is provided, with gears of the same type as those on the power system 1 gear disk. The outer end of the annular continuous working track 3-1 connects to the power system 1 gear disk, and the inner end connects to the circulating cooling system 3-3. The circulating cooling system 3-3 uses circulating water cooling and has an inlet and an outlet. The inlet is directly connected to the cooling water source. After the water source is turned on, cooling water enters the annular continuous working track 3-1 and the inner cavity of the sample holder 3-2 through the circulating cooling system 3-3, ensuring the safety and stability of the continuous working track 3-1 and the sample holder 3-2 during the ablation process.

[0028] The sample holder 3-2 has a concave support design and is hollow inside. The sample holder 3-2 consists of multiple components, which are evenly distributed on the annular continuous working track 3-1. The internal cavity is connected to the internal cavity of the annular continuous working track 3-1 for the entry and circulation of cooling water.

[0029] The main function of the continuous operation system 3 is to drive the sample to run in the track under the characteristic parameters such as moving speed and process set by the control unit.

[0030] like Figure 4 As shown, the temperature measurement system 4 is an infrared temperature measurement device, located outside the annular continuous operation track 3-1, with its spatial position at the exact center of the back of the sample, at the same height as the exact center of the nozzle of the ablation gun 6-5 and on the same straight line.

[0031] The main function of temperature measurement system 4 is to measure and record the temperature change of the back side of the sample during the ablation process.

[0032] like Figure 4As shown, the heat flow control system 6 includes an ignition swing mechanism 6-1, a positioner 6-2, an ignition bracket 6-3, an electric spark igniter 6-4, an ablation gun 6-5, an angle adjustment mechanism 6-6, an ablation gun distance adjustment driver 6-7, an ablation gun distance adjustment telescopic bracket 6-8, an ablation gun moving guide rail 6-9, and an ablation bracket 6-10.

[0033] The ignition swing mechanism 6-1 uses a rotary motor or cylinder to provide power to the ignition bracket 6-3. Two positioners 6-2 are fixed to the ignition swing mechanism 6-1, controlling the clockwise and counterclockwise movement limits of the ignition bracket 6-3 respectively. The ignition bracket 6-3 is fixed to the center of the ignition swing mechanism 6-1. The ignition swing mechanism 6-1, positioners 6-2, and ignition bracket 6-3 form a unit and work together. The ignition swing mechanism 6-1 provides the ignition bracket 6-3 with the power for circular motion around a fixed point. When the counterclockwise movement reaches one positioner 6-2, it triggers that positioner, stopping the ignition bracket 6-3 and reaching its limit, completing the forward movement step. When the clockwise movement reaches the other positioner 6-2, it triggers that positioner, stopping the ignition bracket 6-3 and completing the backward movement step.

[0034] The electric spark igniter 6-4 is placed at the front of the ignition bracket 6-3 and moves in an arc along with the ignition bracket 6-3; the electric spark igniter 6-4 uses an electric spark to ignite the oxygen-acetylene mixture.

[0035] The nozzle diameter of the ablation gun 6-5 conforms to the requirements of GJB 323B-2018 "Test Method for Ablation of Ablation Materials" (φ2mm). The ablation gun 6-5 has a built-in cooling system and is equipped with oxygen and acetylene gas pipeline interfaces, as well as cooling water inlet and outlet pipeline interfaces. The belly of the ablation gun 6-5 has a gear-shaped design, which is connected to the angle adjustment mechanism 6-6. The gear model is consistent with that of the angle adjustment mechanism 6-6. When the angle adjustment mechanism 6-6 is in operation, it drives the ablation gun 6-5 to swing up and down, realizing multi-angle adjustable ablation test.

[0036] The ablation gun 6-5 and the angle adjustment mechanism 6-6 are both installed inside the ablation bracket 6-10. The ablation bracket 6-10 is fixed inside the ablation gun moving guide rail 6-9. One end of the ablation gun distance adjustment telescopic bracket 6-8 is connected to the ablation gun distance adjustment driver 6-7, and the other end is connected to the bottom of the ablation bracket 6-10. The ablation gun distance adjustment driver 6-7 provides the forward and backward power for the ablation gun distance adjustment telescopic bracket 6-8. When the ablation gun distance adjustment telescopic bracket 6-8 moves, it drives the ablation bracket 6-10 to complete the forward and backward movement, thereby realizing the adjustment of different ablation heat flows.

[0037] The main functions of the heat flow control system 6 are to provide the heat flow conditions and ablation angle required for the ablation test.

[0038] like Figure 5 As shown, the automatic feeding system 5 has the same structure as the automatic sample loading system 2, but the operation process steps are reversed. The automatic feeding system 5 includes a material box storage telescopic bracket II5-1, a material box storage telescopic bracket driver II5-2, a horizontal slide rail II5-3, a material lifting mechanism II5-4, a material lifting mechanism driver II5-5, a material box II5-6, a pneumatic gripper II5-7, a pneumatic gripper matching cylinder II5-8, a pneumatic gripper telescopic bracket II5-9, an L-shaped cam groove II5-10, and a rotating bearing II5-11.

[0039] The telescopic storage bracket II5-1 has a rod-shaped tail end, the length of which is no shorter than the length of the horizontal slide rail II5-3, and connects to the telescopic storage bracket driver II5-2. The front section has a concave groove design, positioned within the horizontal slide rail II5-3. The width of the concave groove matches the outer diameter of the material box II5-6, and its length matches the total length of the material boxes II5-6. A through hole is provided on the base plate to allow the top-loading mechanism II5-4 to pass through. The telescopic storage bracket driver II5-2 provides driving force to the telescopic storage bracket II5-1, causing it to extend and retract within the horizontal slide rail II5-3.

[0040] The material box II5-6 is cylindrical with a concave side for easy sample gripping and placement. The bottom is hollow, with the diameter of the hollow portion matching that of the top-feeding mechanism II5-4. The inner diameter of material box II5-6 matches the outer diameter of the sample as required by GJB 323B-2018 "Test Method for Ablation of Ablation Materials," and the depth matches the total number of samples in a single group as required by GJB 323B-2018. Multiple material boxes II5-6 can be designed according to testing needs. Material box II5-6 is placed inside the concave groove at the front of the material box storage telescopic bracket II5-1, and moves together with the material box storage telescopic bracket II5-1 as it extends and retracts.

[0041] The top feeding mechanism II5-4 is a rod-shaped design, with its length matching the depth of the material box II5-6 and its diameter matching the diameter of the hollow part at the bottom of the material box II5-6. The top feeding mechanism II5-4 is fixed directly below the material box II5-6. The top feeding mechanism II5-4 is connected to the top feeding mechanism driver II5-5, which provides the power for the vertical up-and-down movement of the top feeding mechanism II5-4.

[0042] Pneumatic gripper 5-7 is connected to pneumatic gripper cylinder II5-8. Cylinder II5-8 provides tension and gripping force to gripper II5-7, completing the sample gripping operation. Cylinder II5-8 is connected to rotary bearing II5-11. Part of rotary bearing II5-11 is connected to the pneumatic gripper telescopic bracket II5-9, and part is connected to the L-shaped cam groove II5-10. The pneumatic gripper telescopic bracket II5-9 drives pneumatic gripper II5-7, pneumatic gripper cylinder II5-8, and rotary bearing II5-11 to move within the L-shaped cam groove II5-10. When the movement reaches the top of the L-shaped cam groove II5-10 (the rising area), rotary bearing II5-11 activates, driving pneumatic gripper II5-7 and pneumatic gripper cylinder II5-8 to complete a 90° rotation. ○ The sample is gripped by flipping vertically downwards. When the movement reaches the end of the straight section of the L-shaped cam groove II5-10, the sample is positioned above the material box II5-6, and the pneumatic gripper II5-7 releases the sample.

[0043] The pneumatic gripper II5-7 is located between the material box II5-6 and the sample holder 3-2 of the continuous operation system 3. It moves between the material box II5-6 and the sample holder 3-2 to complete the gripping and ejection of the sample.

[0044] The main functions of the automatic feeding system 5 are to complete the processes of sample grabbing, transportation, and sample return.

[0045] The specific operational steps of a heat flux-adjustable oxygen-acetylene ablation system for the insulation layer of a solid rocket motor are as follows: S1. Start the continuous operation system 3, the circulating cooling system 3-3; start the ablation gun 6-5 cooling system; ensure that each cooling circulation system is operating normally.

[0046] S2. Remove material box 2-6 and manually fill the samples one by one into material box 2-6. Samples of the same batch or model should be placed in one material box 2-6. Different material boxes 2-6 are used to fill samples of different batches or models, and different material boxes 2-6 are used to distinguish samples of different batches or models. After filling is completed, install material boxes 2-6 one by one into the concave "" shaped slots of telescopic bracket 2-1.

[0047] S3. Based on the placement position, sample type, quantity, and testing requirements of the samples in the material boxes 2-6, input the corresponding characteristic parameters into the control unit. After confirming that there are no errors, open the oxygen and acetylene gas valves and start running the heat flow adjustable ablation system for the insulation layer of the solid rocket engine.

[0048] S4. The ignition swing mechanism 6-1 is activated, causing the ignition bracket 6-3 to move in a circular motion. After triggering the positioner 6-2, the motion stops. At this time, the electric spark igniter 6-4 is directly in front of the nozzle of the ablation gun 6-5. Under the program control, the electric spark igniter 6-4 ignites, igniting the oxygen-acetylene gas. The ignition swing mechanism 6-1 is activated again, causing the ignition bracket 6-3 to move in a circular motion in the opposite direction, moving away from the flame area.

[0049] S5. Driven by the material box storage telescopic bracket driver 2-2, the material box 2-6 moves within the horizontal slide rail 2-3 to a set position (the center of the first material box 2-6 is vertically coaxial with the center of the top material mechanism 2-4). Driven by the top material mechanism driver 2-5, the top material mechanism 2-4 moves upward, pushing the sample out of the material box 2-6. The pneumatic gripper's matching cylinder 2-8 provides tension and gripping force to the gripper 2-7, assisting in the sample gripping operation.

[0050] S6. While the sample is being gripped, the power system 1 starts working, driving the circular continuous working track 3-1 and moving the sample holder 3-2 to the fixed position for loading the sample.

[0051] S7, the pneumatic gripper telescopic bracket 2-9 drives the pneumatic gripper 2-7 and the sample to move in the L-shaped cam groove 2-10. When the movement reaches the top of the L-shaped cam groove 2-10 (rising zone), the rotating bearing 2-11 is activated, driving the pneumatic gripper 2-7 and the sample to complete 90 degrees. ○ The sample is flipped vertically downwards. At this point, the sample is directly above the sample holder 3-2. The gripper 2-7 is released, and the sample enters the sample holder 3-2, completing the sample injection. After the sample is injected, the pneumatic gripper telescopic bracket 2-9 drives the pneumatic gripper 2-7 to reset, ready to start gripping the next sample.

[0052] S8. While the sample is being injected, the system automatically adjusts the oxygen-acetylene flow rate under program control to adjust the heat flow to the set test heat flow value.

[0053] S9. The power system 1 starts working, driving the circular continuous working track 3-1, and moving the sample holder 3-2 with the sample to the front of the ablation gun 6-5, and starting the ablation test according to the program settings.

[0054] S10. During the ablation process, according to the program settings, the ablation gun distance adjustment driver 6-7 provides forward and backward power to the ablation gun distance adjustment telescopic bracket 6-8, driving the ablation bracket 6-10 to move forward and backward on the ablation gun moving guide rail 6-9, realizing multi-heat flux adjustable testing during the ablation process; according to the program settings, the angle adjustment mechanism 6-6 completes the angle adjustment of the ablation gun 6-5, realizing multi-angle adjustable testing of the flame during the ablation process.

[0055] Simultaneously with step S11 and S10 of the ablation process, the temperature measurement system 4 starts working and records the changes in the back temperature of the sample in the information storage unit of the control area.

[0056] While performing step S12 and the ablation process S10, the automatic sample loading system 2 repeats the operation procedures S5, S6, and S7.

[0057] S13. After the ablation test is completed, the power system 1 starts working, driving the circular continuous operation track 3-1, and running the sample holder 3-2 containing the test residue into the automatic feeding system 5; at the same time, the sample holder 3-2 containing the untested sample is moved to the front of the ablation gun 6-5, and the operation steps of step S10 are repeated according to the program settings to start a new ablation test.

[0058] S14. Simultaneously with the ablation test, the automatic feeding system 5 starts working. The pneumatic gripper 5-7, assisted by its matching cylinder 5-8, grips the ablation-completed sample remnant. The pneumatic gripper telescopic bracket 5-9 moves the pneumatic gripper 5-7 and the remnant along the L-shaped cam groove 5-10, completing 90° rotation. ○ The sample is flipped vertically upwards and moved above the empty material box 5-6 of the automatic feeding system 5. The pneumatic gripper 5-7 is released, and with the assistance of the top material mechanism 5-4, the sample is put into the box.

[0059] S15. Repeat steps S11, S12, S13, and S14 until all samples in a 2-6 slab of a material box have been tested.

[0060] S16. After the sample in a material box 2-6 has been ablated, the material box storage telescopic bracket 2-1, driven by the material box storage telescopic bracket driver 2-2, moves the empty material box that has completed the test forward in the horizontal slide rail and moves the next material box to be tested to the set position.

[0061] S17. Repeat the testing procedures of steps S5, S6, S7, S8, S9, S10, S11, S12, S13, S14, S15, and S16 until all tests are completed.

[0062] S18. Upon completion of the test, the system automatically shuts off the oxygen and acetylene gas valves under the programmed settings, thus extinguishing the ablation gun 6-5. After the system cools down to the set temperature, the circulating cooling system 3-3 in the continuous operation system 3 is automatically shut down; the cooling system of the ablation gun 6-5 is also automatically shut down.

[0063] The control area is equipped with a control unit that matches the test area. It is used to remotely control the test area and issue various operation commands to the test area, including information such as the number of ablations, ablation time, ablation heat flux, and ablation angle. A remote monitoring unit is set up to monitor and observe the work area and observe the operation of the ablation system in real time. When the control unit displays that the test is completed and the flame of the ablation gun is extinguished in the monitoring video, the operator can enter the work area and take out the sample box.

[0064] The present invention has been described in detail above with reference to specific embodiments and exemplary examples; however, these descriptions should not be construed as limiting the present invention. Those skilled in the art will understand that various equivalent substitutions, modifications, or improvements can be made to the technical solutions and embodiments of the present invention without departing from the spirit and scope of the invention, and all such modifications and improvements fall within the scope of the present invention. The scope of protection of the present invention is defined by the appended claims.

[0065] The contents not described in detail in this specification are common knowledge to those skilled in the art.

Claims

1. A heat flux-adjustable oxygen-acetylene ablation system for the insulation layer of a solid rocket motor, characterized in that, It includes physically isolated work areas and control areas. The work areas include: power system (1), automatic sample loading system (2), continuous operation system (3), temperature measurement system (4), automatic material unloading system (5), and heat flow control system (6); the control areas include: remote monitoring unit, control unit and information storage unit. The power system (1) provides power support for the continuous operation system (3); The automatic sample loading system (2) completes the sample grabbing, transportation and injection process; The continuous operation system (3) drives the sample to run at the set moving speed and process. Temperature measurement system (4) measures and records the temperature change of the back side of the sample during the ablation process; The automatic feeding system (5) completes the sample unloading, grabbing, transportation and placement process; The heat flow control system (6) provides the heat flow and ablation angle required for the ablation test according to the test requirements. The remote monitoring unit is used to remotely monitor the operating status of the equipment. The control unit is used to control the test parameters, including ablation time, ablation distance, and ablation angle, as well as the test process. The information storage unit is used to record and store test information, including sample batch number and back temperature.

2. The heat flux adjustable oxygen-acetylene ablation system for the insulation layer of a solid rocket motor according to claim 1, characterized in that, The power system (1) is designed as a gear disk, with a motor or cylinder connected to the lower end of the gear disk. The gear model of the power system (1) matches the gear model of the annular continuous operation track (3-1) of the continuous operation system (3). When the power system (1) is running, it drives the continuous operation system (3) through the gears to provide it with the power for continuous operation.

3. The heat flux adjustable oxygen-acetylene ablation system for the insulation layer of a solid rocket motor according to claim 1, characterized in that, The automatic sample loading system (2) includes a material box storage telescopic bracket (2-1), a material box storage telescopic bracket driver (2-2), a horizontal slide rail (2-3), a material lifting mechanism (2-4), a material lifting mechanism driver (2-5), a material box (2-6), a pneumatic gripper (2-7), a pneumatic gripper matching cylinder (2-8), a pneumatic gripper telescopic bracket (2-9), an L-shaped cam groove (2-10), and a rotating bearing (2-11). The tail end of the telescopic support for the material box storage (2-1) is designed as a rod, and the length of the rod end is not shorter than the length of the horizontal slide rail (2-3), which is connected to the telescopic support driver (2-2). The front section is designed as a "concave" groove, which is placed inside the horizontal slide rail (2-3). The width of the "concave" groove is consistent with the outer diameter of the material box (2-6), and the length is consistent with the total length of the material boxes (2-6). The bottom plate is provided with a through hole that allows the top material mechanism (2-4) to pass through. The telescopic support driver (2-2) provides driving force to the telescopic support for the material box storage (2-1), which drives the telescopic support for the material box storage (2-1) to complete the extension and retraction movement inside the horizontal slide rail (2-3). The material box (2-6) is cylindrical with a concave side for easy sample gripping and placement. The bottom is hollow, and the diameter of the hollow part is consistent with the diameter of the top material mechanism (2-4). The material box (2-6) is placed inside the concave groove at the front of the material box storage telescopic bracket (2-1) and moves together with the material box storage telescopic bracket (2-1) to extend and retract. The top feeding mechanism (2-4) is a rod-shaped design, with a length consistent with the depth of the material box (2-6) and a diameter consistent with the diameter of the hollow part at the bottom of the material box (2-6); the top feeding mechanism (2-4) is fixed directly below the material box (2-6); the top feeding mechanism (2-4) is connected to the top feeding mechanism driver (2-5), and the top feeding mechanism driver (2-5) provides the power for the vertical up and down movement of the top feeding mechanism (2-4); The pneumatic gripper (2-7) is connected to the pneumatic gripper cylinder (2-8). The pneumatic gripper cylinder (2-8) provides tension and gripping force to the gripper (2-7) to complete the sample gripping operation. The pneumatic gripper cylinder (2-8) is connected to the rotating bearing (2-11). Part of the rotating bearing (2-11) is connected to the pneumatic gripper telescopic bracket (2-9), and part is connected to the L-shaped cam groove (2-10). The pneumatic gripper telescopic bracket (2-9) drives the pneumatic gripper (2-7), the pneumatic gripper cylinder (2-8), and the rotating bearing (2-11) to move in the L-shaped cam groove (2-10). When the movement reaches the top of the L-shaped cam groove (2-10), the rotating bearing (2-11) starts working, driving the pneumatic gripper (2-7) and the pneumatic gripper cylinder (2-8) to complete 90 degrees of rotation. ○ Vertical downward flipping operation; The pneumatic gripper (2-7) is located between the material box (2-6) and the sample holder (3-2) of the continuous operation system (3). It moves between the material box (2-6) and the sample holder (3-2) to complete the gripping and injection of the sample. When gripping, the pneumatic gripper (2-7) is located directly above the material box (2-6) and is higher than the height of one sample in the material box. After gripping, the sample is transferred to the sample holder (3-2) and the pneumatic gripper (2-7) is released. The sample enters the sample holder (3-2) to complete the injection of the sample.

4. The heat flux adjustable oxygen-acetylene ablation system for the insulation layer of a solid rocket motor according to claim 3, characterized in that, The inner diameter of the material box (2-6) is consistent with the outer diameter of the sample required by GJB 323B-2018 "Test Method for Ablation of Ablation Materials", and the depth is consistent with the sum of the number of samples in a single group required by GJB 323B-2018 "Test Method for Ablation of Ablation Materials". According to the testing requirements, multiple material boxes (2-6) are designed; samples of the same batch or model are placed in one material box (2-6), and different material boxes (2-6) are used to fill samples of different batches or models. Different material boxes (2-6) are used to distinguish samples of different batches or models.

5. The heat flux adjustable oxygen-acetylene ablation system for the insulation layer of a solid rocket motor according to claim 1, characterized in that, The continuous operation system (3) includes a ring-shaped continuous operation track (3-1), a sample holder (3-2), and a circulating cooling system (3-3). The annular continuous working track (3-1) is a circular and hollow design, and its interior is connected to the circulating cooling system (3-3). The exterior is equipped with a gear belt, and the gear model is consistent with the gear model of the power system (1) gear disk. The outer end of the annular continuous working track (3-1) is connected to the power system (1) gear disk, and the inner end is connected to the circulating cooling system (3-3). The circulating cooling system (3-3) adopts circulating water cooling and is equipped with a water inlet and a water outlet. The water inlet is directly connected to the cooling water source. After the water source is turned on, the cooling water enters the annular continuous working track (3-1) and the inner cavity of the sample holder (3-2) through the circulating cooling system (3-3). The sample holder (3-2) is a concave support design with a hollow interior. The sample holder (3-2) consists of multiple components, which are evenly distributed on the annular continuous working track (3-1). The internal cavity is connected to the internal cavity of the annular continuous working track (3-1) for the entry and flow of cooling water.

6. The heat flux adjustable oxygen-acetylene ablation system for the insulation layer of a solid rocket motor according to claim 1, characterized in that, The temperature measurement system (4) is an infrared temperature measurement device located outside the annular continuous operation track (3-1), with its spatial position at the center of the back of the sample, at the same height as the center of the nozzle of the ablation gun (6-5) and on the same straight line.

7. The heat flux adjustable oxygen-acetylene ablation system for the insulation layer of a solid rocket motor according to claim 1, characterized in that, The heat flow control system (6) includes an ignition swing mechanism (6-1), a positioner (6-2), an ignition bracket (6-3), an electric spark igniter (6-4), an ablation gun (6-5), an angle adjustment mechanism (6-6), an ablation gun distance adjustment driver (6-7), an ablation gun distance adjustment telescopic bracket (6-8), an ablation gun moving guide rail (6-9), and an ablation bracket (6-10). The ignition swing mechanism (6-1) uses a rotary motor or cylinder to provide power to the ignition bracket (6-3); two positioners (6-2) are fixed to the ignition swing mechanism (6-1), which respectively control the clockwise and counterclockwise movement limits of the ignition bracket (6-3); the ignition bracket (6-3) is fixed to the center of the ignition swing mechanism (6-1); the ignition swing mechanism (6-1), positioners (6-2), and ignition bracket (6-3) are a whole unit, working together. In the cooperative operation, the ignition swing mechanism (6-1) provides the ignition bracket (6-3) with the power for circular motion around a fixed point. When it moves counterclockwise to a positioner (6-2), it triggers the positioner (6-2), and the ignition bracket (6-3) stops moving, that is, it reaches the limit, completing the forward operation step of the ignition bracket (6-3); when it moves clockwise to another positioner (6-2), it triggers the positioner (6-2), and the ignition bracket (6-3) stops moving, completing the backward operation step of the ignition bracket (6-3). The electric spark igniter (6-4) is placed at the front of the ignition bracket (6-3) and moves in an arc along with the ignition bracket (6-3); the electric spark igniter (6-4) uses an electric spark to ignite the oxygen-acetylene mixture. The nozzle diameter of the ablation gun (6-5) conforms to the requirements of GJB 323B-2018 "Test Method for Ablation of Ablation Materials". The ablation gun (6-5) has a built-in cooling system and is equipped with oxygen and acetylene gas pipeline interfaces, as well as cooling water inlet and outlet pipeline interfaces. The belly of the ablation gun (6-5) has a gear-shaped design and is connected to the angle adjustment mechanism (6-6). The gear model is consistent with that of the angle adjustment mechanism (6-6). When the angle adjustment mechanism (6-6) is running, it drives the ablation gun (6-5) to swing up and down, realizing multi-angle adjustable ablation test. The ablation gun (6-5) and the angle adjustment mechanism (6-6) are both installed inside the ablation bracket (6-10). The ablation bracket (6-10) is fixed inside the ablation gun moving guide rail (6-9). One end of the ablation gun distance adjustment telescopic bracket (6-8) is connected to the ablation gun distance adjustment driver (6-7), and the other end is connected to the bottom of the ablation bracket (6-10). The ablation gun distance adjustment driver (6-7) provides the forward and backward power for the ablation gun distance adjustment telescopic bracket (6-8). When the ablation gun distance adjustment telescopic bracket (6-8) moves, it drives the ablation bracket (6-10) to complete the forward and backward movement, thereby realizing the adjustment of different ablation heat flows.

8. The heat flux adjustable oxygen-acetylene ablation system for the insulation layer of a solid rocket motor according to claim 1, characterized in that, The automatic feeding system (5) includes a material box storage telescopic bracket II (5-1), a material box storage telescopic bracket driver II (5-2), a horizontal slide rail II (5-3), a top feeding mechanism II (5-4), a top feeding mechanism driver II (5-5), a material box II (5-6), a pneumatic gripper II (5-7), a pneumatic gripper matching cylinder II (5-8), a pneumatic gripper telescopic bracket II (5-9), an L-shaped cam groove II (5-10), and a rotating bearing II (5-11). The tail end of the telescopic support II (5-1) for material box storage is designed as a rod, with a length not shorter than that of the horizontal slide rail II (5-3), and is connected to the telescopic support driver II (5-2). The front section is designed as a concave groove, which is placed inside the horizontal slide rail II (5-3). The width of the concave groove is consistent with the outer diameter of the material box II (5-6), and the length is consistent with the total length of the material boxes II (5-6). The bottom plate is provided with a through hole that allows the top material mechanism II (5-4) to pass through. The telescopic support driver II (5-2) for material box storage provides driving force to the telescopic support II (5-1), which drives the telescopic support II (5-1) to extend and retract within the horizontal slide rail II (5-3). Material box II (5-6) is cylindrical with a concave side for easy sample gripping and placement. The bottom is hollow, and the diameter of the hollow part is consistent with the diameter of the top material mechanism II (5-4). Material box II (5-6) is placed inside the concave groove at the front of the material box storage telescopic bracket II (5-1) and moves together with the material box storage telescopic bracket II (5-1) in extension and retraction. The top feeding mechanism II (5-4) is a rod-shaped design, with its length consistent with the depth of the material box II (5-6) and its diameter consistent with the diameter of the hollow part at the bottom of the material box II (5-6); the top feeding mechanism II (5-4) is fixed directly below the material box II (5-6); the top feeding mechanism II (5-4) is connected to the top feeding mechanism driver II (5-5), and the top feeding mechanism driver II (5-5) provides the power for the top feeding mechanism II (5-4) to move vertically up and down; The pneumatic gripper (5-7) is connected to the pneumatic gripper cylinder II (5-8). The pneumatic gripper cylinder II (5-8) provides tension and gripping force to gripper II (5-7) to complete the sample gripping operation. The pneumatic gripper cylinder II (5-8) is connected to the rotating bearing II (5-11). Part of the rotating bearing (5-11) is connected to the pneumatic gripper telescopic bracket II (5-9), and part is connected to the L-shaped cam groove II (5-10). The pneumatic gripper telescopic bracket II (5-9) drives the pneumatic gripper II (5-7), the pneumatic gripper cylinder II (5-8), and the rotating bearing II (5-11) to move in the L-shaped cam groove II (5-10). When the movement reaches the top of the L-shaped cam groove II (5-10) (the rising area), the rotating bearing II (5-11) starts working, driving the pneumatic gripper II (5-7) and the pneumatic gripper cylinder II (5-8) to complete 90 degrees of rotation. ○ The sample is flipped vertically downwards to grab it; when it moves to the end of the straight section of the L-shaped cam groove II (5-10), the sample is above the material box II (5-6), and the pneumatic gripper II (5-7) releases the sample. The pneumatic gripper II (5-7) is located between the material box II (5-6) and the sample holder (3-2) of the continuous operation system (3). It moves between the material box II (5-6) and the sample holder (3-2) to complete the gripping and ejection of the sample.

9. A heat flux-adjustable oxygen-acetylene ablation test method for the insulation layer of a solid rocket motor, characterized in that, Includes the following steps: S1. Start the circulating cooling system (3-3) in the continuous operation system (3); start the cooling system of the ablation gun (6-5); ensure that each cooling circulation system is operating normally; S2. Remove the material box (2-6) and manually fill the sample into the material box (2-6) one by one. Samples of the same batch or model are placed in one material box (2-6). Different material boxes (2-6) are used to fill samples of different batches or models. Different material boxes (2-6) are used to distinguish samples of different batches or models. After filling, install the material boxes (2-6) one by one in the concave "" shaped slot of the telescopic bracket (2-1). S3. Based on the placement position, sample type, quantity and test requirements of the sample in the material box (2-6), input the corresponding characteristic parameters into the control unit. After confirming that there are no errors, open the oxygen and acetylene gas valves and start running the heat flow adjustable ablation system for the insulation layer of the solid rocket engine. S4. The ignition swing mechanism (6-1) is activated, driving the ignition bracket (6-3) to perform a circular motion. After triggering the positioner (6-2), the motion stops. At this time, the electric spark igniter (6-4) is directly in front of the nozzle of the ablation gun (6-5). Under the program control, the electric spark igniter (6-4) ignites and ignites the oxygen-acetylene gas. The ignition swing mechanism (6-1) is activated again, driving the ignition bracket (6-3) to perform a circular motion in the opposite direction and leave the flame area. S5, the telescopic support bracket (2-1) for material box storage, driven by the telescopic support bracket driver (2-2), drives the material box (2-6) to move to the set position within the horizontal slide rail (2-3). The top material mechanism (2-4), driven by the top material mechanism driver (2-5), moves upward to push the sample out of the material box (2-6). The pneumatic gripper's matching cylinder (2-8) provides tension and gripping force to the gripper (2-7) to assist in completing the sample gripping work. S6. While the sample is being picked up, the power system (1) starts working, driving the circular continuous working track (3-1) and moving the sample holder (3-2) to the fixed position for loading the sample. S7, the pneumatic gripper telescopic bracket (2-9) drives the pneumatic gripper (2-7) and the sample to move in the L-shaped cam groove (2-10). When the movement reaches the top of the L-shaped cam groove (2-10), the rotating bearing (2-11) is activated, driving the pneumatic gripper (2-7) and the sample to complete 90 degrees. ○ The sample is flipped vertically downwards. At this time, the sample is directly above the sample holder (3-2). The gripper (2-7) is released, and the sample enters the sample holder (3-2), completing the sample injection. After the sample is injected, the pneumatic gripper telescopic bracket (2-9) drives the pneumatic gripper (2-7) to reset, ready to start gripping the next sample. S8. While the sample is being injected, the system automatically adjusts the oxygen-acetylene flow rate under program control to adjust the heat flow to the set test heat flow value. S9. The power system (1) starts working, driving the circular continuous operation track (3-1), and moving the sample holder (3-2) with the sample to the front of the ablation gun (6-5), and starting the ablation test according to the program settings. S10. During the ablation process, according to the program settings, the ablation gun distance adjustment driver (6-7) provides forward and backward power to the ablation gun distance adjustment telescopic bracket (6-8), driving the ablation bracket (6-10) to move forward and backward on the ablation gun moving guide rail (6-9), realizing the multi-heat flux adjustable test during the ablation process; according to the program settings, the angle adjustment mechanism (6-6) completes the angle adjustment of the ablation gun (6-5), realizing the multi-angle adjustable test of the flame during the ablation process; S11, while the ablation process is in step S10, the temperature measurement system (4) starts working and records the changes in the back temperature of the sample in the information storage unit of the control area. S12, while the ablation process step S10 is in progress, the automatic sample loading system (2) repeats the operation procedures of S5, S6 and S7. S13. After the ablation test is completed, the power system (1) starts working, drives the circular continuous operation track (3-1), and runs the automatic feeding system (5) to the sample holder (3-2) containing the test residue. At the same time, the sample holder (3-2) containing the untested sample is moved to the front of the ablation gun (6-5), and the operation steps of step S10 are repeated according to the program settings to start a new ablation test. S14. Simultaneously with the ablation test, the automatic feeding system (5) starts working. The pneumatic gripper (5-7), with the assistance of the pneumatic gripper cylinder (5-8), grabs the ablation-completed sample residue. The pneumatic gripper telescopic bracket (5-9) drives the pneumatic gripper (5-7) and the residue to move in the L-shaped cam groove (5-10), completing 90° of the ablation test. ○ The sample is flipped vertically upwards and moved to the empty material box (5-6) of the automatic feeding system (5). The pneumatic gripper (5-7) is released, and with the assistance of the top material mechanism (5-4), the sample is put into the box. S15. Repeat steps S11, S12, S13, and S14 until all samples in one box (2-6) have been tested. S16. After the sample in a material box (2-6) is ablated, the material box storage telescopic bracket (2-1) is driven by the material box storage telescopic bracket driver (2-2) to move the empty material box that has completed the test forward in the horizontal slide rail and move the next material box to be tested to the set position. S17. Repeat the test procedures of steps S5, S6, S7, S8, S9, S10, S11, S12, S13, S14, S15, and S16 until all tests are completed. S18. After the test is completed, the system automatically closes the oxygen and acetylene gas valves under the program settings to extinguish the ablation gun (6-5); after the system cools down to the set temperature, it automatically shuts down the circulating cooling system (3-3) in the continuous operation system (3); and automatically shuts down the cooling system of the ablation gun (6-5).

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