A thermal water oxygen environment variable angle double-axis mechanical test system and device

Abstract

The application discloses a kind of thermal power water oxygen environment variable angle biaxial mechanical test system and device, it is related to mechanical test device technical field, this thermal power water oxygen environment variable angle biaxial mechanical test system includes: platform;Experimental cabin, be in platform;Host loading system, be in platform, the output of host loading system is located inside experimental cabin, and it is used to apply stress of different angles to sample;High-temperature water vapor and cooling system, with experimental cabin intercommunication, high-temperature water vapor and cooling system are used to into the water vapor of preset temperature into experimental cabin;Vacuum system, with experimental cabin intercommunication, vacuum system is used to control the air pressure in experimental cabin;Control system, with host loading system, high-temperature water vapor and cooling system, vacuum system signal connection.The application provides a kind of thermal power water oxygen environment variable angle biaxial mechanical test system and device, can improve the flexibility of test equipment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mechanical test devices, in particular to a thermal power water oxygen environment variable angle biaxial mechanical test system. BACKGROUND

[0002] With the rapid development of aerospace, nuclear power and other fields, the comprehensive performance requirements of materials are increasing, especially in high-temperature steam environment, which requires outstanding high-temperature strength, good oxidation resistance and heat corrosion resistance.

[0003] In actual application, materials not only need to have high-temperature resistance, oxidation resistance and heat corrosion resistance in high-temperature steam environment, but also need to withstand stress applied from various angles, especially combined stress.

[0004] At present, the existing test equipment for high temperature, vacuum or special environment is mostly for symmetrical cross-shaped structure samples. Due to the fixed angle of the device loading force, the sample form is limited, and the flexibility of the device is low, which has not been solved.

[0005] In summary, how to improve the flexibility of the test equipment is a problem to be solved by the technical personnel in the field at present. SUMMARY

[0006] Therefore, the purpose of the present application is to provide a thermal power water oxygen environment variable angle biaxial mechanical test system. The experimental cabin is filled with high-temperature steam and the pressure is stable through the high-temperature steam and cooling system and the vacuum pumping system. The main machine loading system can apply stress to the sample at different angles to perform the test, thereby improving the flexibility of the equipment.

[0007] Another purpose of the present application is to provide a test device comprising the above-mentioned thermal power water oxygen environment variable angle biaxial mechanical test system.

[0008] In order to achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0009] A thermal power water oxygen environment variable angle biaxial mechanical test system, comprising:

[0010] a platform;

[0011] an experimental cabin arranged on the platform;

[0012] a main machine loading system arranged on the platform, wherein the output end of the main machine loading system is arranged in the interior of the experimental cabin and is used for applying stress to the sample at different angles;

[0013] A high-temperature water vapor and cooling system is in communication with the experiment cabin, and is used to introduce water vapor of a preset temperature into the experiment cabin;

[0014] A vacuum system is in communication with the experiment cabin, and is used to control the air pressure in the experiment cabin;

[0015] A control system is in signal connection with the main machine loading system, the high-temperature water vapor and cooling system, and the vacuum system.

[0016] Preferably, the main machine loading system comprises a moving platform support, a horizontal moving platform, a horizontal loading frame assembly, and an arc-shaped loading frame assembly, the horizontal moving platform is arranged on the moving platform support, the horizontal loading frame assembly is arranged on the horizontal moving platform, and the arc-shaped loading frame assembly is arranged on both sides of the horizontal moving platform.

[0017] Preferably, the horizontal loading frame assembly comprises a first axial loading cylinder, a stand, a loading rod, and a second axial loading cylinder, the first axial loading cylinder and the second axial loading cylinder are arranged at both ends of the horizontal moving platform and are connected through two stands, the output ends of the first axial loading cylinder and the second axial loading cylinder are both provided with the loading rod, and the two loading rods are used to apply stress to the test sample.

[0018] Preferably, the experiment cabin comprises a shell, an experiment cabin door, a ring-shaped heating device, a sealed bellows, and a load sensor, the shell is provided with an air inlet and an air outlet, and the load sensor is arranged outside the shell and is used to detect the stress value of the test sample.

[0019] Preferably, the arc-shaped loading frame assembly comprises a half-arc adjusting assembly, a first lateral loading cylinder, and a second lateral loading cylinder, the first lateral loading cylinder and the second lateral loading cylinder are both arranged on the half-arc adjusting assembly, and the half-arc adjusting assembly is used to adjust the included angle between the first lateral loading cylinder, the second lateral loading cylinder, and the horizontal moving platform.

[0020] Preferably, the high-temperature water vapor and cooling system comprises a high-temperature water vapor system, a cooling system, and a temperature control system, the high-temperature water vapor system comprises a high-pressure pump, a preheater, and a heater, the cooling system comprises a water chiller, a cooling fan, and a radiator, and the temperature control system comprises a temperature control instrument and a heating assembly.

[0021] Preferably, the vacuum system comprises a mechanical pump, a vacuum pipeline, a vacuum bellows, a high-vacuum manual butterfly valve, and a vacuum measuring instrument.

[0022] Preferably, the control system comprises an electrical control unit, and the electrical control unit comprises a computer control system and a full-digital controller.

[0023] Preferably, the test sample comprises a cartridge test sample, a turbine disc test sample and a blade test sample.

[0024] A test device comprises a thermal, hydrothermal, oxygen environment variable angle biaxial mechanical test system, and the thermal, hydrothermal, oxygen environment variable angle biaxial mechanical test system is the thermal, hydrothermal, oxygen environment variable angle biaxial mechanical test system of any one of the above.

[0025] The thermal, hydrothermal, oxygen environment variable angle biaxial mechanical test system provided by the application is provided with an experiment cabin, a main machine loading system, a high-temperature water vapor and cooling system and a vacuum pumping system on a platform, and all are controlled through a control system, can fill the experiment cabin with high-temperature water vapor, can ensure that the pressure in the experiment cabin is stable, and the output end of the main loading system is arranged in the experiment cabin, so that the main loading system can apply stress to the test sample in the experiment cabin and can apply stress at different angles, thereby improving the flexibility of the test equipment compared with the existing equipment which can only apply stress from a single direction. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only embodiments of the application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of the provided drawings.

[0027] Figure 1 An exploded view of the thermal, hydrothermal, oxygen environment variable angle biaxial mechanical test system provided by the application;

[0028] Figure 2 A structural schematic view of the thermal, hydrothermal, oxygen environment variable angle biaxial mechanical test system provided by the application when the experiment cabin is not arranged;

[0029] Figure 3 A structural schematic view of the thermal, hydrothermal, oxygen environment variable angle biaxial mechanical test system provided by the application when the experiment cabin is arranged;

[0030] Figure 4 A structural schematic view of the experiment cabin provided by the application;

[0031] Figure 5 A structural schematic view of the experiment cabin provided by the application from another perspective;

[0032] Figure 6 A structural schematic view of the main machine loading system in the loading process of the cartridge test sample provided by the application;

[0033] Figure 7A structural schematic diagram of a main machine loading system in a turbine disc sample loading process provided by the application is shown in the figure.

[0034] Figure 8 A structural schematic diagram of a main machine loading system in a blade sample loading process provided by the application is shown in the figure.

[0035] Reference signs:

[0036] 1 - platform, 2 - experiment cabin, 201 - shell, 202 - experiment cabin door, 203 - annular heating device, 204 - sealed bellows, 3 - main machine loading system, 301 - moving platform support, 302 - horizontal moving platform, 303 - horizontal loading frame assembly, 3031 - first axial loading cylinder, 3032 - column, 3033 - loading rod, 3034 - second axial loading cylinder, 304 - arc-shaped loading frame assembly, 3041 - half-arc adjusting assembly, 3042 - first lateral loading cylinder, 3043 - second lateral loading cylinder, 4 - high-temperature water vapor and cooling system, 5 - vacuum pumping system, 6 - electrical control unit, 7 - hydraulic control system. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0038] The core of the application is to provide a thermal water-oxygen environment variable-angle biaxial mechanical test system, which can perform stress tests on samples at different angles in an environment full of high-temperature water vapor, and improves the flexibility of the test equipment.

[0039] Another core of the application is to provide a test equipment comprising the thermal water-oxygen environment variable-angle biaxial mechanical test system.

[0040] It should be noted that the directions or positional relationships indicated by "up", "down", "front", "back" and the like are the directions or positional relationships shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application.

[0041] The thermal water-oxygen environment variable-angle biaxial mechanical test system provided by the application comprises a platform 1, an experiment cabin 2, a main machine loading system 3, a high-temperature water vapor and cooling system 4, a vacuum pumping system 5 and a control system.

[0042] The surface of the platform 1 can be regarded as a horizontal plane.

[0043] The experiment cabin 2 is arranged on the platform 1.

[0044] The main machine loading system 3 is arranged on the platform 1, and the output end of the main machine loading system 3 is arranged in the interior of the experiment cabin 2 and is used for applying stress of different angles to the sample.

[0045] The high-temperature water vapor and cooling system 4 is communicated with the experiment cabin 2, and the high-temperature water vapor and cooling system 4 is used for introducing water vapor of a preset temperature into the experiment cabin 2.

[0046] The vacuumizing system 5 is communicated with the experiment cabin 2, and the vacuumizing system 5 is used for controlling the air pressure in the experiment cabin 2.

[0047] The control system is signal connected with the main machine loading system 3, the high-temperature water vapor and cooling system 4 and the vacuumizing system 5.

[0048] Specifically, please refer to the accompanying drawings Figure 1 to the accompanying drawings Figure 3 The experiment cabin 2, the main machine loading system 3, the high-temperature water vapor and cooling system 4 and the vacuumizing system 5 are sequentially arranged on the platform 1, wherein the main machine loading system 3, the high-temperature water vapor and cooling system 4 and the vacuumizing system 5 are all signal connected with the control system, the power source of the main machine loading system 3 is derived from the hydraulic control system 7, and more specifically, the control system is signal connected with the hydraulic control system 7 to control the stress applied by the main machine loading system 3, the control of the above-mentioned systems is realized through the control system, the output end of the main machine loading system 3 is arranged in the experiment cabin 2, the main machine loading system 3 can adjust the included angle of the stress applied to the sample to simulate the stress condition of the sample under various conditions, and the flexibility of the test equipment is improved, the high-temperature water vapor and cooling system 4 is communicated with the experiment cabin 2, the experiment cabin 2 can be regarded as a sealed structure, the high-temperature water vapor and cooling system 4 can raise the water vapor to a preset temperature and introduce it into the experiment cabin 2, and the vacuumizing system 5 is also communicated with the experiment cabin 2 and can control the pressure of the experiment cabin 2 to be stable.

[0049] On the basis of the above-mentioned embodiment, the platform 1 comprises a moving platform support 301, a horizontal moving platform 302, a horizontal loading frame assembly 303 and an arc-shaped loading frame assembly 304, the horizontal moving platform 302 is arranged on the moving platform support 301, the horizontal loading frame assembly 303 is arranged on the horizontal moving platform 302, and the arc-shaped loading frame assembly 304 is arranged on both sides of the horizontal moving platform 302.

[0050] Specifically, the host loading system 3 mainly comprises a host loading frame, which is precisely processed by high-strength steel material and has excellent compression resistance, bending resistance and deformation resistance due to structural optimization design. The platform 1 provides support for the whole test system and is internally designed reasonably to ensure that each component part can be closely matched and stably operated. The host loading frame mainly comprises a moving platform support 301, a horizontal moving platform 302, a horizontal loading frame assembly 303, an arc-shaped loading frame assembly 304 and the like. The horizontal moving platform 302 is fixedly installed on the moving platform support 301, and the horizontal loading frame assembly 303 is fixedly installed on the horizontal moving platform 302 to facilitate installation of a test sample.

[0051] On the basis of the above embodiment, the horizontal loading frame assembly 303 comprises a first axial loading cylinder 3031, a column 3032, a loading rod 3033 and a second axial loading cylinder 3034. The first axial loading cylinder 3031 and the second axial loading cylinder 3034 are arranged at two ends of the horizontal moving platform 302 and are connected by the two columns 3032. The output ends of the first axial loading cylinder 3031 and the second axial loading cylinder 3034 are each provided with a loading rod 3033. The two loading rods 3033 are used to apply stress to the test sample.

[0052] Specifically, the horizontal loading frame assembly 303 is used to bear axial loading force and mainly comprises the first axial loading cylinder 3031, the column 3032, the loading rod 3033 and the second axial loading cylinder 3034. The first axial loading cylinder 3031 and the second axial loading cylinder 3034 are connected by the two columns 3032 and form a symmetrical frame structure. The loading rod 3033 is fixedly connected with the output ends of the first axial loading cylinder 3031 and the second axial loading cylinder 3034, respectively. During the test, the test sample is fixed on the corresponding clamping device, and then the clamping device is fixedly connected with the loading rod 3033. The clamping device can ensure that the test sample does not slide or displace during the stress process. The design of the device enables it to adapt to test samples of various shapes and sizes, ensuring the stability of the test sample and effective transmission of force during clamping. The first axial loading cylinder 3031 and the second axial loading cylinder 3034 respectively apply axial loads in opposite directions to the test sample. The experimental cabin 2 is installed on the horizontal moving platform 302 and is used to simulate the working state of the hot end part of the hydrogen fuel engine in a high-temperature and high-water-vapor-content environment.

[0053] On the basis of the above embodiment, the experimental cabin 2 comprises a shell 201, a test cabin door 202, an annular heating device 203, a sealed bellows 204 and a load sensor. The shell 201 is provided with an air inlet and an air outlet. The load sensor is arranged outside the shell 201 and is used to detect the stress value of the test sample.

[0054] Specifically, please refer to the accompanying drawings Figure 4 and the accompanying drawings Figure 5The experimental cabin 2 is mainly composed of a shell 201, an experimental cabin door 202 and an annular heating device 203. According to different test conditions, the shell 201 is provided with a sealing bellows 204 in the lateral direction and the axial direction, respectively. The shell 201 is provided with a water vapor inlet, a gas inlet, an exhaust port and a thermocouple port. The experimental cabin door 202 is arranged on both sides of the cabin body, facilitating the disassembly and assembly of the sample. The cabin body is filled with heat preservation materials, and the annular heating device 203 is used to uniformly heat the sample. The experimental cabin is provided with a load sensor outside, which is used to measure the force value borne by the sample, and can monitor the stress change of the sample in the loading process in real time, and provide accurate data for further analysis of the performance of the sample.

[0055] On the basis of the above embodiment, the arc-shaped loading frame assembly 304 includes a half-arc adjusting assembly 3041, a first lateral loading cylinder 3042 and a second lateral loading cylinder 3043. The first lateral loading cylinder 3042 and the second lateral loading cylinder 3043 are arranged on the half-arc adjusting assembly 3041. The half-arc adjusting assembly 3041 is used to adjust the included angle between the first lateral loading cylinder 3042, the second lateral loading cylinder 3043 and the horizontal moving platform 302.

[0056] Specifically, the arc-shaped loading frame assembly 304 is in an arc-shaped structure, and two ends thereof are respectively arranged on both sides of the horizontal moving platform 302. The arc-shaped loading frame assembly 304 mainly includes the half-arc adjusting assembly 3041, the first lateral loading cylinder 3042 and the second lateral loading cylinder 3043. The half-arc adjusting assembly 3041 is in a semicircular structure. The first lateral loading cylinder 3042 and the second lateral loading cylinder 3043 are symmetrically arranged on the half-arc adjusting assembly 3041. The angle of the loading cylinder can be adjusted according to the test requirements. Generally, the lateral load is applied to the sample in the direction of 15-45 degrees. When the lateral load is applied, the horizontal moving platform 302 is moved to a specified position of the arc-shaped loading frame, so as to realize multi-axis coordinated loading. The first axial loading cylinder 3031, the second axial loading cylinder 3034, the first lateral loading cylinder 3042 and the second lateral loading cylinder 3043 are high-precision components, which can cooperate with each other to complete the complex load application and control of the sample.

[0057] On the basis of the above embodiment, the high-temperature water vapor and cooling system 4 includes a high-temperature water vapor system, a cooling system and a temperature control system. The high-temperature water vapor system includes a high-pressure pump, a preheater and a heater. The cooling system includes a water chiller, a cooling fan and a radiator. The temperature control system includes a temperature control instrument and a heating assembly.

[0058] Specifically, the high-temperature water vapor and cooling system 4 mainly includes a high-temperature water vapor system, a cooling system, and a temperature control system. The high-temperature water vapor system mainly pressurizes low-pressure water that meets the test water vapor requirements to the target pressure through a high-pressure pump, and then heats the water vapor to the target temperature through a preheater and a heater, and then injects it into the experimental cabin 2. To ensure the stability of the water vapor temperature and pressure, the temperature control system precisely adjusts the power output of the heater through intelligent temperature control instruments and heating elements, thereby maintaining the constant temperature of the water vapor. The cooling system mainly consists of a water chiller, a cooling fan, and a radiator, and adopts a cooling method combining air cooling and water cooling, which reduces the dependence on external power systems and has high energy utilization efficiency. By precisely controlling the inlet and outlet water temperature of the cooling water, the high-temperature water oxygen environment experimental cabin and other key components are maintained within the ideal temperature range, preventing the system from being unstable or damaged due to excessive temperature. The water chiller is the core component of the cooling system, which can effectively adjust the cooling water temperature to maintain between 10°C and 45°C to ensure stable circulation of the cooling water in the system. The temperature control system can automatically adjust the operating frequency of the water chiller and respond sensitively to changes in cooling temperature to ensure that the cooling effect is always in the best state. The cooling fan and radiator can quickly reduce the environmental temperature and work together with the water chiller to ensure accurate temperature control of the entire system.

[0059] On the basis of the above embodiment, the vacuum pumping system 5 includes a mechanical pump, a vacuum pipeline, a vacuum bellows, a high-vacuum manual butterfly valve, and a vacuum measuring instrument.

[0060] Specifically, the vacuum pumping system 5 is used to provide a stable low-pressure environment to meet the vacuum conditions required for testing, and mainly consists of a mechanical pump, a vacuum pipeline, a vacuum bellows, a high-vacuum manual butterfly valve, and a vacuum measuring instrument. The vacuum pumping system 5 uses a primary vacuum device and cooperates with a direct-connection mechanical pump to perform low-vacuum pumping to ensure that the high-temperature system maintains a stable environment during operation. A digital vacuum gauge is used to continuously monitor the vacuum degree inside the cabin and real-time feedback to the control system to ensure the reliability of the test.

[0061] On the basis of the above embodiment, the control system includes an electrical control unit 6, which includes a computer control system and a full-digital controller.

[0062] Specifically, the electrical control unit 6 is mainly divided into a computer control system and a full-digital controller. The full-digital controller is the control center of the entire test equipment, responsible for precise adjustment and coordination of the operation of each system, mainly responsible for high-deterministic operation control of the system, analog measurement and collection, signal analysis and filtering processing, etc., and communicates with the computer through Ethernet to control the working state of each servo drive system in real time and accurately, ensuring the stability and efficiency of the equipment under various complex test environments. The host computer software runs in the computer operating system, responsible for human-computer interaction, and can easily and quickly complete the experimental parameter and experimental condition setting; import experimental data into the database for statistics and editing; make the load, deformation and displacement have multiple display modes. The load and speed of the full-digital controller control system can be controlled to achieve fine adjustment of the sample loading. The full-digital controller is the core of centralized management and control, and communicates with the host computer software through the network port to realize information interaction. During the test process, the system provides signals according to the system requirements to ensure that the servo loading system can obtain the required load and speed. Through the cooperation of high-precision load sensors and servo systems, the system can accurately control the working state of each component, thereby ensuring the precision and stability of the loading system.

[0063] The application provides corresponding specific test parameters:

[0064] (1) A high-temperature and high-pressure water-oxygen environment test chamber is used to simulate the real test conditions of the hydrogen combustion chamber. The temperature should meet ≥1400K, have water vapor mixing capability, the proportion can be adjusted and meet: 0-35%, the temperature rising rate meet ≤20℃ / min, the temperature gradient meet ≤±2℃, the temperature fluctuation degree meet ≤±3℃, and the water vapor pressure should meet 0.5-2Mpa. And have alarm and emergency stop device, cooling device, when the equipment abnormity, such as temperature too high, can alarm in time and take corresponding safety measures automatically.

[0065] (2) It has a variable-angle double-axis mechanical test system. The arc-shaped loading frame is installed with the first lateral loading cylinder 3042 and the second lateral loading cylinder 3043, and respectively applies lateral loading load to the test component in the variable-angle direction of 15-45 degrees, has low-cycle fatigue loading capacity to meet the frequency range: 0.01Hz-5Hz, is provided with alarm and emergency stop device, and can alarm in time and take corresponding safety measures automatically when the equipment abnormity, such as overload.

[0066] (3) It has a vacuum pumping system 5 that can simulate the test conditions of the combustion chamber in a micro vacuum environment, the vacuum degree is: 6.0×10-3Pa (room temperature), 6.0×10-2Pa (high temperature);

[0067] On the basis of the above embodiment, the test sample includes a casing test sample, a turbine disc test sample and a blade test sample.

[0068] Specifically, refer to the accompanying drawings Figure 6 to the accompanying drawings Figure 8 , before the test, the test cabin door 202 of the test cabin 2 is in an open state, the casing test sample / turbine disc test sample / blade test sample is loaded from the test cabin door 202, the loading disc at the end face of the first axial loading cylinder 3031 is loaded in cooperation with the end face loading disc of the second axial loading cylinder 3034, so that the casing test sample / turbine disc test sample / blade test sample is in a pre-tightening force state, and then the test cabin door 202 is closed, the horizontal moving platform 302 moves the whole to a specified position of the arc-shaped loading frame assembly 304, the first lateral loading cylinder 3042 and the second lateral loading cylinder 3043 load the lateral loading position of the casing test sample / turbine disc test sample / blade test sample, and multi-axis coordinated loading is realized.

[0069] In summary, the thermal water-oxygen environment variable-angle dual-axis mechanical test system provided by the application has the following advantages:

[0070] (1) The performance stability of the application under high temperature and high pressure environment, in order to adapt to the test environment of high temperature and high pressure, the hydraulic components and loading cylinders in the system are made of high-performance materials, which can ensure long-term stable operation under extreme environment. Especially in the high temperature and high pressure environment of hydrogen fuel engine simulation, the loading system can maintain high-precision dynamic response;

[0071] (2) The application can be precisely controlled by the loading cylinder, and the system can apply very fine force and displacement adjustment to the sample during the test. The system can accurately adjust the loading rate and the deformation state of the sample, and ensure the rigorous control of various test parameters;

[0072] (3) The high-temperature water-oxygen environment test cabin of the application uses corrosion-resistant materials, which can minimize the impact of highly corrosive water-oxygen environment on the equipment, and can effectively resist chemical corrosion in water-oxygen environment, especially in oxidation and reduction state, which shows high resistance to most corrosive media;

[0073] (4) The environment cabin is internally configured with a self-balancing system, which can reduce the additional force borne by the environment cabin frame;

[0074] (5) The application is designed with a safety and protection module. Due to the high temperature and high pressure environment in the test process, the loading system is equipped with comprehensive safety protection module. Including pressure monitoring, temperature protection and overload protection functions, once an abnormality occurs, the system will automatically shut down or adjust, to ensure the safety of the equipment and the operator;

[0075] (6) The environment cabin also has the function of accurately regulating water pressure, which can realize the non-proportional coordinated change of dual-axis load and water pressure, and simulate the dynamic response of the sample under complex environment.

[0076] In addition to the above-mentioned thermal water oxygen environment variable angle biaxial mechanical test system, the present application also provides a test device comprising the above-mentioned thermal water oxygen environment variable angle biaxial mechanical test system. The structures of other parts of the test device refer to the prior art, and will not be described here.

[0077] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0078] The above provides a detailed introduction to the thermal water oxygen environment variable angle biaxial mechanical test system and device. The principles and implementation modes of the present application are described by applying specific examples. The above embodiment is only used to help understand the method and core idea of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, the present application can be improved and modified. These improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A variable-angle biaxial mechanical testing system for a thermo-hydro-oxygen environment, characterized in that, include: Platform (1); Experimental chamber (2) is located on the platform (1); The host loading system (3) is located on the platform (1). The output end of the host loading system (3) is located inside the experimental chamber (2) and is used to apply stress at different angles to the sample. A high-temperature steam and cooling system (4) is connected to the experimental chamber (2). The high-temperature steam and cooling system (4) is used to introduce steam at a preset temperature into the experimental chamber (2). A vacuum system (5) is connected to the experimental chamber (2), and the vacuum system (5) is used to control the air pressure inside the experimental chamber (2); The control system is connected to the host loading system (3), the high-temperature steam and cooling system (4), and the vacuum system (5) via signals. The host loading system (3) includes a mobile platform support (301), a horizontal mobile platform (302), a horizontal loading frame assembly (303), and an arc-shaped loading frame assembly (304). The horizontal mobile platform (302) is mounted on the mobile platform support (301), the horizontal loading frame assembly (303) is mounted on the horizontal mobile platform (302), and the arc-shaped loading frame assembly (304) is mounted on both sides of the horizontal mobile platform (302). The horizontal loading frame assembly (303) includes a first axial loading cylinder (3031), a column (3032), a loading rod (3033), and a second axial loading cylinder (3034). The first axial loading cylinder (3031) and the second axial loading cylinder (3034) are located at both ends of the horizontal moving platform (302) and connected by the two columns (3032). The output ends of the first axial loading cylinder (3031) and the second axial loading cylinder (3034) are each provided with the loading rod (3033). The two loading rods (3033) are used to apply stress to the sample. The arc-shaped loading frame assembly (304) includes a semi-arc adjustment assembly (3041), a first lateral loading cylinder (3042), and a second lateral loading cylinder (3043). The first lateral loading cylinder (3042) and the second lateral loading cylinder (3043) are both disposed in the semi-arc adjustment assembly (3041). The semi-arc adjustment assembly (3041) is used to adjust the angle between the first lateral loading cylinder (3042), the second lateral loading cylinder (3043) and the horizontal moving platform (302).

2. The variable-angle biaxial mechanical testing system for a thermal-water-oxygen environment according to claim 1, characterized in that, The experimental chamber (2) includes a shell (201), a test chamber door (202), an annular heating device (203), a sealed bellows pipe (204), and a load sensor. The shell (201) is provided with an air inlet and an air outlet. The load sensor is located outside the shell (201) and is used to detect the force value of the sample.

3. The variable-angle biaxial mechanical testing system for a thermal-water-oxygen environment according to claim 1, characterized in that, The high-temperature steam and cooling system (4) includes a high-temperature steam system, a cooling system and a temperature control system. The high-temperature steam system includes a high-pressure pump, a preheater and a heater. The cooling system includes a chiller, a cooling fan and a radiator. The temperature control system includes a temperature control instrument and a heating component.

4. The variable-angle biaxial mechanical testing system for a thermal-water-oxygen environment according to claim 3, characterized in that, The vacuum system (5) includes a mechanical pump, vacuum pipeline, vacuum bellows, high vacuum manual butterfly valve and vacuum measuring instrument.

5. The variable-angle biaxial mechanical testing system for a thermal-water-oxygen environment according to claim 4, characterized in that, The control system includes an electrical control unit (6), which includes a computer control system and a fully digital controller.

6. The variable-angle biaxial mechanical testing system for a thermo-hydro-oxygen environment according to any one of claims 1 to 5, characterized in that, The test specimens include casing specimens, turbine disk specimens, and blade specimens.

7. A testing apparatus comprising a biaxial mechanical testing system with variable angle in a thermo-hydraulic-oxygen environment, characterized in that, The thermo-hydro-oxygen environment variable angle biaxial mechanical test system is the thermo-hydro-oxygen environment variable angle biaxial mechanical test system as described in any one of claims 1 to 6.

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