CN218726203U

CN218726203U - Tool for high-temperature endurance test of metal material

Info

Publication number: CN218726203U
Application number: CN202222939392.0U
Authority: CN
Inventors: 张渊博; 赫志航; 王刚; 张朝飞
Original assignee: Huacai Technology Laboratory Luoyang Co ltd
Current assignee: Huacai Technology Laboratory Luoyang Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-24
Anticipated expiration: 2032-11-04

Abstract

The utility model relates to a frock is used in metal material's high temperature endurance test belongs to fatigue strength test technical field under the metal high temperature operating mode. First outlet duct is external to have gaseous processing apparatus, gaseous processing apparatus is including cooling step-down case and gaseous rose box, it is provided with the step-down piston to slide in the cooling step-down case, the step-down piston falls into the chamber of admitting air that is located step-down piston below and the slip chamber that communicates in atmospheric above being located step-down piston with the cooling step-down case, and the step-down piston can not be automatic downstream under self gravity, the chamber of admitting air is linked together through first outlet duct and heating chamber, the slip chamber communicates in the bottom of gaseous rose box through the second outlet duct, be provided with the filter core in the gaseous rose box, and its top is provided with the third outlet duct that has negative-pressure air fan. The technical problems that after a high-temperature endurance test with an atmosphere box is finished, a general filter element is easy to damage and a high-temperature-resistant filter element is high in cost in the filtering and discharging of corrosive gas are solved.

Description

Tool for high-temperature endurance test of metal material

Technical Field

The utility model relates to a fatigue strength test technical field under the metal high temperature operating mode, specific frock is used in metal material's high temperature endurance test that says so.

Background

The high-temperature endurance test is a material mechanical property test for testing the maximum stress which does not cause fracture in a specified duration when the material is subjected to constant load at a certain temperature, and the high-temperature endurance strength provides an important basis for the design and material selection of a high-temperature component. However, in the actual working conditions of some metal parts, not only high temperature resistance but also corrosion by toxic and harmful gases are required, so that the difference between the actual detection result and the actual working conditions is large, in order to really obtain the high-temperature endurance performance of the metal material, an atmosphere box is usually arranged in a high-temperature testing machine, and in the high-temperature testing process, common corrosive gas in the working environment of a sample to be tested is introduced into the atmosphere box for simulating the actual working conditions of the sample.

In order to improve the effectiveness and accuracy of the experiment, a plurality of groups of comparison experiments are generally needed to be arranged at the same time, so that the emission of high-temperature corrosive gas is large after the experiment is finished, and the toxic and harmful gas in a test field exceeds the standard. In order to prevent poisonous and harmful gas from being discharged into a test field, a filter element is additionally arranged on a gas outlet pipe of an atmosphere box, but the filter element is mainly used for treating normal-temperature and normal-pressure gas generally, and the gas released in the atmosphere box is high-temperature and high-pressure, so that the filter element is easy to damage under the impact of high-pressure gas and cannot effectively filter corrosive gas; and the high-pressure resistant filter element has higher cost, so that the treatment cost of gas is greatly improved, and the high-pressure resistant filter element cannot be popularized and applied in most test places.

SUMMERY OF THE UTILITY MODEL

In order to solve after the high temperature endurance test that has the atmosphere case, there is easy damage of general filter core and the high technical problem of high pressure resistant filter core with high costs in corrosive gas's filtration emission, the utility model provides a frock is used in metal material's high temperature endurance test.

The utility model adopts the specific scheme that, a frock is used in high temperature endurance test of metal material, including top connection, lower clutch and lie in between the two can follow the sealed cylinder that sample length direction extends, top connection, lower clutch and sealed cylinder constitute the heating chamber that is used for holding the sample jointly, the top and the bottom of heating chamber communicate respectively has the first intake pipe that lies in on the top connection and the first outlet duct that lies in on the lower clutch, be provided with the anchor clamps that are connected with top connection and lower clutch respectively in the heating chamber, and the heating chamber periphery is equipped with the electric stove, first outlet duct is external to have gaseous processing apparatus, gaseous processing apparatus includes cooling step-down case and gas filtration case, and the slip of cooling step-down case is provided with the pressure reduction piston, and the pressure reduction piston divides cooling step-down case into the air inlet chamber and communicates in atmospheric slip chamber, and the air inlet chamber is linked together through first outlet duct and heating chamber, is provided with the gas outlet on the cooling step-down case lateral wall, and the pressure reduction piston slides and makes the gas outlet expose in the air inlet chamber under the effect of high-temperature high-pressure gas, is connected with the second outlet on the gas outlet, and the other end communicates in the bottom of gas filtration case; a filter element is arranged in the gas filter box, and a third air outlet pipe with a negative pressure fan is arranged at the top end of the gas filter box.

As an optimization scheme of the tool for the high-temperature endurance test of the metal material, a vertical cooling pipe for introducing cooling water is fixedly arranged in the cooling and pressure reducing box in a penetrating mode, and the pressure reducing piston is sleeved on the cooling pipe in the cooling and pressure reducing box and slides along the inner wall of the cooling and pressure reducing box.

As another optimization scheme of the tool for the high-temperature endurance test of the metal material, the number of the cooling pipes is a plurality of, the plurality of cooling pipes are uniformly distributed on the cooling and pressure reducing box, one end of each cooling pipe, which is close to the air outlet, is an inlet end, and the circulation direction of cooling water is opposite to the flowing direction of high-temperature and high-pressure gas.

As another optimization scheme of the tool for the high-temperature endurance test of the metal material, the pressure reduction piston is a rigid plate with rubber sleeved on the outer edge, and the outer edge of the pressure reduction piston is matched with the inner wall of the cooling pressure reduction box.

As another optimization scheme of the tool for the high-temperature endurance test of the metal material, a pressing handle is fixedly arranged on the pressure-reducing piston.

As another optimization scheme of the tool for the high-temperature endurance test of the metal material, a pressure sensor is arranged in the heating cavity.

As another optimization scheme of the tool for the high-temperature endurance test of the metal material, the number of the gas outlets is a plurality of gas outlets, the gas outlets are distributed on the side wall of the cooling and pressure reducing box along the direction of the cooling and pressure reducing box far away from the gas inlet cavity, and the gas outlets are communicated with the second gas outlet pipe through a conveying pipe with a stop valve and communicated with the gas filter box through the second gas outlet pipe.

As another optimization scheme of the tool for the high-temperature endurance test of the metal material, the filter element sequentially comprises a first ceramic filter plate, a first activated carbon layer, an alkaline or acidic filter layer, a second activated carbon layer and a second ceramic filter plate from bottom to top.

As another kind of optimization scheme of above-mentioned metal material's frock for high temperature endurance test, the inside below of gas filtration case is provided with the dispersion impeller, and the dispersion impeller is for having just to the baffle of second outlet duct and enclosing a plurality of scattered gas pockets of locating the baffle, and the dispersion impeller is located between the exit end and the filter core of second outlet duct.

As another optimization scheme of the tool for the high-temperature endurance test of the metal material, the sealing cylinder is formed by connecting a straight pipe and a high-temperature resistant corrugated pipe, and two ends of the sealing cylinder are fixedly installed on the upper joint and the lower joint respectively.

Compared with the prior art, the utility model following beneficial effect has:

1. the high-temperature and high-pressure gas released by the heating cavity pushes the pressure-reducing piston to move towards the direction close to the gas outlet and cross the gas outlet, because a larger friction coefficient exists between the pressure-reducing piston and the inner wall of the cooling and pressure-reducing box, the pressure-reducing piston is fixed on the inner wall of the cooling and pressure-reducing box, and in the moving process of the pressure-reducing piston, the high-temperature and high-pressure gas does work on the pressure-reducing piston, and meanwhile, the volume of the gas inlet cavity is increased, so that the pressure of the high-temperature and high-pressure gas entering the cooling and pressure-reducing box is reduced, the gas after pressure reduction enters the gas filter box, the impact on the filter element is reduced relative to the initial high-temperature and high-pressure gas, the filter element can be prevented from being damaged by impact, and the filtering effect of the filter element is improved; in order to prevent the gas in the heating cavity from being not completely filtered, when no gas is discharged from the third gas outlet pipe, the negative pressure fan positioned at the top end of the gas filter box and the stop valves on the first gas inlet pipe are opened, the gas filter box is pumped into negative pressure, and the gas in the heating cavity enters the gas filter box along the temperature and pressure reduction box until the gas in the heating cavity is completely filtered and discharged;

2. another embodiment of metal material's high temperature is frock for endurance test wears to be equipped with the cooling tube that is used for logical circulating water at cooling step-down incasement for the cooling effect, continuously lets in the cooling water in the cooling tube, and the flow direction and the gaseous flow direction of cooling water are opposite, to the gaseous cooling of cooling step-down incasement.

Drawings

FIG. 1 is a schematic view of example 1;

FIG. 2 is a schematic view of an initial working state of gas in the heating chamber entering the cooling and pressure reducing box;

FIG. 3 is a schematic view of the operation of the gas filter box with the gas continuously entering the heating chamber;

FIG. 4 is a schematic diagram of the operation of the heating chamber and the cooling and depressurizing tank with the same pressure;

FIG. 5 is a schematic view of the negative pressure fan after it is turned on;

FIG. 6 is a schematic view of the operation of the pressure reducing piston returning to its initial position after filtering the gas in the heating chamber;

in the drawings: 1. the device comprises an upper joint, 101, a first air inlet pipe, 2, a lower joint, 201, a first air outlet pipe, 2011, a stop valve, 3, a sealing barrel, 4, a heating cavity, 5, a gas treatment device, 501, a cooling and pressure reducing tank, 5012, an air outlet, 5013, a pressure reducing piston, 5014, a second air outlet pipe, 5015, a pressing handle, 502, a gas filter tank, 5021, a negative pressure fan, 5022, a third air outlet pipe, 5023, a scattering disc, 6, an air inlet cavity, 7, a sliding cavity, 8, a cooling pipe, 9, a filter core, 901, a first ceramic filter plate, 902, a first activated carbon layer, 903, an alkaline or acidic filter layer, 904, a second activated carbon layer, 905, a second ceramic filter plate, 10, a sample, 11, a clamp, 12 and an electric furnace.

Detailed Description

The technical solution of the present invention is further described in detail with reference to the following specific embodiments, and the parts of the present invention not described and disclosed in detail in the following embodiments should be understood as the prior art known or to be known by those skilled in the art, such as the negative pressure fan 5021 having the negative pressure pumping function; each pipeline is provided with a stop valve; the plurality of air outlets 5012 are in a normally closed state, and when the air conditioner works, the corresponding air outlets 5012 are opened as required; the test temperature of different metal samples in the high-temperature endurance test is different, so that the temperature and the pressure of gas in the sealed cavity 4 are different after the test is finished, and the pressure sensor 401 is used for detecting the gas pressure in the heated cavity 4 and assisting a worker to open the corresponding gas outlet 5012.

Example 1

As shown in fig. 1, the existing tool for the high-temperature endurance test of the metal material includes an upper joint 1, a lower joint 2 and a sealing cylinder 3, the sealing cylinder 3 is located between the upper joint 1 and the lower joint 2, the sealing cylinder 3 can extend along the length direction of the sample 10, and the upper joint 1, the lower joint 2 and the sealing cylinder 3 jointly form a heating cavity 4 for accommodating the sample 10, because the sealing cylinder 3 can be lengthened along with the stretching of the sample 10, the sample 10 can be always located in the heating cavity 4, and in order to facilitate the conveying or gas discharge to the heating cavity 4, a first gas inlet pipe 101 is arranged on the upper joint 1, and a first gas outlet pipe 201 is arranged on the lower joint 2. The upper joint 1 and the lower joint 2 are respectively connected with clamps 11 which are arranged in pairs, the clamps 11 are provided with samples 10, and the periphery of the sealing barrel 3 is provided with an electric furnace 12 for heating the heating cavity 4. The upper joint 1 and the lower joint 2 are respectively connected to the working end of a tensile testing machine, and the tensile corrosion working condition of the sample 10 under the high-temperature and different corrosive gas environments is simulated indoors.

As shown in fig. 1, different from the prior art, the first air outlet pipe 201 is externally connected with a gas processing device 5, the gas processing device 5 includes a cooling and pressure reducing tank 501 and a gas filtering tank 502, the cooling and pressure reducing tank 501 is a cylindrical tank with an upper opening, the cooling and pressure reducing tank 501 can be horizontally or vertically placed, when vertically placed, a pressure reducing piston 5013 is slidably disposed in the cooling and pressure reducing tank 501, the cooling and pressure reducing tank 501 is divided into an air inlet cavity 6 below the pressure reducing piston 5013 and a sliding cavity 7 communicated with the atmosphere above the pressure reducing piston 5013 by the pressure reducing piston 5013, and a large friction force exists between the pressure reducing piston 5013 and the cooling and pressure reducing tank 501, so that the pressure reducing piston 5013 cannot move downwards under its own gravity. The temperature and pressure reduction box 501 is provided with an air outlet 5012 located on the side wall, the air inlet cavity 6 is communicated with the heating cavity 4 through a first air outlet pipe 201, the air outlet 5012 is connected with a second air outlet pipe 5014, during work, a stop valve located on the second air outlet pipe 5014 is opened, high-temperature and high-pressure air in the heating cavity 4 enters the air inlet cavity 6 along the first air outlet pipe 201, the pressure reduction piston 5013 is pushed to move upwards to do work outwards, the volume of the air inlet cavity 6 is increased until the air outlet 5012 is crossed, and the air after pressure reduction enters the air filter box 502 along the second air outlet pipe 5014. The gas filtering box 502 is internally provided with a filter element 9 for filtering gas, and the top end of the gas filtering box is provided with a third gas outlet pipe 5022 with a negative pressure fan 5021, when the pressure of the gas on the two sides of the gas outlet 5012 is equal, the gas does not enter the gas filtering box 502 from the heating cavity 4 any more, and in order to prevent the gas from being filtered completely. At this time, the stop valves of the negative pressure fan 5021 and the first air inlet pipe 101 are opened to pump the gas filtering box 502 into negative pressure, and the gas in the heating chamber 4 is forced to enter the cooling and pressure reducing box 501 and the gas filtering box 502 in sequence under the action of the external atmospheric pressure and is discharged through the gas filtering box 502.

In order to prevent a part of gas from overflowing from the heating chamber 4 as the sealing cylinder 3 stretches during the stretching process of the metal material, the sealing cylinder 3 is a cylinder formed by connecting a straight pipe and a high temperature resistant corrugated pipe, and two ends of the sealing cylinder 3 are fixedly connected to the upper joint 1 and the lower joint 2 by bolts respectively.

As shown in fig. 2, 3, 4, 5, and 6, the pressure reducing piston 5013 is a rigid plate whose outer edge is covered with rubber, and the outer edge of the pressure reducing piston 5013 is matched with the inner wall of the temperature reducing pressure reducing tank 501, so as to ensure that the pressure reducing piston 5013 has a certain strength and the outer edge of the pressure reducing piston 5013 has a large friction coefficient, thereby preventing the pressure reducing piston 5013 from moving downwards along the temperature reducing pressure reducing tank 501 under the action of its own gravity and preventing the gas in the air inlet chamber 6 located below the pressure reducing piston 5013 from overflowing from between the pressure reducing piston 5013 and the temperature reducing pressure tank 501. The pressure reducing piston 5013 is fixedly provided with a pressing handle 5015 for pushing the pressure reducing piston 5013 to the bottom of the temperature and pressure reducing tank 501 after the gas filtration is finished.

In order to ensure the stability of the negative pressure fan 5021, a bracket for supporting the negative pressure fan 5021 may be provided at the top end of the gas filtering box 502.

Example 2

The present embodiment is an improved scheme based on the basic scheme of embodiment 1, and the main structure of the present embodiment is the same as that of embodiment 1, and the improvement point is that: as shown in fig. 2, 3, 4, 5, and 6, a vertical cooling pipe 8 for introducing cooling water is fixedly arranged on the cooling and pressure reducing box 501 in a penetrating manner, the cooling pipe 8 is a hollow metal pipe, the cooling pipe 8 is fixed on the cooling and pressure reducing box 501 in a welding manner, the cooling pipes 8 are uniformly distributed on the cooling and pressure reducing box 501, one end of the cooling pipe 8 close to the air outlet 5012 is an inlet end, cooling water is continuously introduced into the cooling pipe 8 to absorb heat released by gas, the flow direction of the cooling water is opposite to that of the gas in the cooling and pressure reducing box 501 from top to bottom, and the pressure reducing piston 5013 is sleeved on the cooling pipe 8 in the cooling and pressure reducing box 501 and slides up and down along the inner wall of the cooling and pressure reducing box 501.

Example 3

The present embodiment is an improved scheme based on the basic scheme of embodiment 1, and the main structure of the present embodiment is the same as that of embodiment 1, and the improvement point is that: as shown in fig. 2, 3, 4, 5, and 6, a plurality of normally closed air outlets 5012 respectively communicated with the sliding cavity 7 are formed in the side wall of the cooling and pressure reducing box 501, and when the cooling and pressure reducing box 501 is vertically placed, the plurality of air outlets 5012 are distributed on the side wall of the cooling and pressure reducing box 501 along the height direction of the cooling and pressure reducing box 501; when the cooling and pressure reducing box 501 is horizontally arranged, the plurality of air outlets 5012 are distributed on the side wall of the cooling and pressure reducing box 501 along the length direction of the cooling and pressure reducing box 501; and each gas outlet 5012 is communicated with the second gas outlet 5014 through a delivery pipe with a stop valve, that is, after any stop valve corresponding to the gas outlet 5012 is opened, the gas outlet 5012 can be communicated with the second gas outlet 5014 through the corresponding delivery pipe, and the gas outlet end of the second gas outlet 5014 is communicated with the gas filter box 502. Because of different metal samples, after the test is finished, the temperature and the pressure of the gas in the heating cavity 4 are different, and the staff opens different gas outlets 5012 according to different gas pressures.

Above is the basic scheme of this embodiment, in order to make things convenient for the staff to acquire the pressure of the interior gas of heating chamber 4, is provided with pressure sensor 401 in heating chamber 4, and the staff of being convenient for opens corresponding gas outlet 5012 according to the size of pressure.

Example 4

The present embodiment is an improved scheme based on the basic scheme of embodiment 1, and the main structure of the present embodiment is the same as that of embodiment 1, and the improvement point is that: as shown in fig. 1, 2, 3, 4, 5, and 6, the filter element 9 is a multi-layer structure, and includes a first activated carbon layer 902, an alkaline or acidic filter layer 903, and a second activated carbon layer 904, so that a worker can select the filter element 9 including the alkaline or acidic filter layer 903 to filter according to the components of corrosive gas to be filtered, and the two ends of the filter layer are further provided with a first ceramic filter plate 901 and a second ceramic filter plate 905 for shaping, thereby preventing the filter substance from deforming and dispersing.

Example 5

The present embodiment is an improved scheme based on the basic scheme of embodiment 1, and the main structure of the present embodiment is the same as that of embodiment 1, and the improvement point is that: as shown in fig. 2, 3, 4, 5 and 6, in order to prevent the gas flowing out of the second outlet pipe 5014 from flowing only to the local part of the filter element 9, a dispersion plate 5023 is arranged between the outlet end of the second outlet pipe 5014 and the filter element 9, the dispersion plate 5023 is provided with a baffle plate facing the second outlet pipe 5014 and a plurality of air dispersion holes surrounding the baffle plate, the gas flows out of the second outlet pipe 5014 and impacts on the baffle plate, then is dispersed by the air dispersion holes and then uniformly enters the filter element 9, and the contact area between the gas and the filter element is increased.

The using process is as follows: as shown in fig. 2, after the tensile test is finished, the negative pressure fan 5021 is in a closed state, the worker opens the corresponding air outlet 5012 according to the test temperature of the tensile test, circulating water is introduced into the cooling pipe 8, then the stop valve 2011 on the first air outlet pipe 201 is opened, high-temperature and high-pressure gas enters the air inlet cavity 6 through the first air outlet pipe 201, and the high-temperature and high-pressure gas pushes the pressure reduction piston 5013 to move upwards. As shown in fig. 3, until the pressure reducing piston 5013 crosses the opened air outlet 5012, the pressure reducing piston 5013 is fixed above the air outlet 5012 because of the large friction between the pressure reducing piston 5013 and the inner wall of the temperature reducing pressure reducing tank 501, and the pressure reducing piston 5013 cannot move downward under the action of its own gravity, so that the pressure reducing piston 5013 is fixed, and the gas after pressure reduction enters the bottom of the gas filter tank 502 along the second air outlet 5014, and the pressure of the gas at this time is reduced, thereby reducing the impact of the gas on the filter element in the filter tank 502.

As shown in fig. 4, as the gas is continuously filtered, until the pressure of the gas on both sides of the gas outlet 5012 is equal, the gas in the heating chamber 4 does not flow out any more, and no gas is discharged from the third gas outlet 5022. As shown in fig. 5, at this time, the negative pressure fan 5021 is turned on, and then the stop valve on the first air inlet pipe 101 is turned on, so that the pressure of the gas at the right side of the air outlet 5012 is lower than that of the gas at the left side thereof, and the gas in the heating chamber 4 is forced to enter the cooling and pressure reducing box 501 and the gas filtering box 502 in sequence until the gas in the heating chamber 4 is completely filtered.

As shown in fig. 6, after the filtration is finished, in order to facilitate the effective performance of the next test, the pressure reducing piston 5013 falls back to the bottom of the temperature and pressure reducing tank 501, the pressure reducing piston 5013 is pushed to the bottom of the temperature and pressure reducing tank 501 by pressing the handle 5015, then the air inlet valve of the first air inlet pipe 101 is closed, the stop valve 2011 of the first air outlet pipe 201 is also provided with valves at two ends of the gas filtering tank 502. Preventing outside air from entering the gas filter box 502, resulting in filter layer failure.

Claims

1. The utility model provides a frock for metal material's high temperature endurance test, including top connection (1), lower clutch (2) and be located between the two can follow sealed section of thick bamboo (3) that sample (10) length direction extends, top connection (1), lower clutch (2) and sealed section of thick bamboo (3) constitute heating chamber (4) that are used for holding sample (10) jointly, the top and the bottom of heating chamber (4) communicate respectively have first intake pipe (101) that are located on top connection (1) and first outlet duct (201) that are located on lower clutch (2), be provided with anchor clamps (11) that are connected with top connection (1) and lower clutch (2) respectively in heating chamber (4), and heating chamber (4) periphery is equipped with electric stove (12), its characterized in that: the first air outlet pipe (201) is externally connected with a gas treatment device (5), the gas treatment device (5) comprises a cooling and pressure reducing box (501) and a gas filter box (502), a pressure reducing piston (5013) is arranged in the cooling and pressure reducing box (501) in a sliding mode, the cooling and pressure reducing box (501) is divided into an air inlet cavity (6) and a sliding cavity (7) communicated with the atmosphere by the pressure reducing piston (5013), the air inlet cavity (6) is communicated with the heating cavity (4) through the first air outlet pipe (201), an air outlet (5012) is formed in the side wall of the cooling and pressure reducing box (501), the pressure reducing piston (5013) slides under the action of high-temperature and high-pressure gas, the air outlet (5012) is exposed in the air inlet cavity (6), the air outlet (5012) is connected with a second air outlet pipe (5014), and the other end of the second air outlet pipe (5014) is communicated with the bottom of the gas filter box (502); a filter element (9) is arranged in the gas filtering box (502), and a third air outlet pipe (5022) with a negative pressure fan (5021) is arranged at the top end of the gas filtering box.

2. The tooling for the high-temperature endurance test of the metal material according to claim 1, characterized in that: the cooling and pressure reducing box (501) is internally fixed with a vertical cooling pipe (8) for introducing cooling water, and a pressure reducing piston (5013) is sleeved on the cooling pipe (8) in the cooling and pressure reducing box (501) and slides along the inner wall of the cooling and pressure reducing box (501).

3. The tooling for the high-temperature endurance test of the metal material according to claim 2, characterized in that: the quantity of cooling tube (8) is a plurality of, and a plurality of cooling tube (8) equipartitions are on cooling step-down case (501), and cooling tube (8) are close to the one end of gas outlet (5012) and are the entrance point, and the cooling water circulation direction is opposite with high temperature high pressure gas flow direction.

4. The tooling for the high-temperature endurance test of the metal material according to claim 1, characterized in that: the pressure reduction piston (5013) is a rigid plate with rubber sleeved on the outer edge, and the outer edge of the pressure reduction piston (5013) is matched with the inner wall of the temperature and pressure reduction box (501).

5. The tooling for the high-temperature endurance test of the metal material according to claim 1, characterized in that: and a pressing handle (5015) is fixedly arranged on the pressure reducing piston (5013).

6. The tooling for the high-temperature endurance test of the metal material according to claim 1, characterized in that: a pressure sensor (401) is arranged in the heating cavity (4).

7. The tooling for the high-temperature endurance test of the metal material according to claim 1, characterized in that: the quantity of gas outlet (5012) is a plurality of, a plurality of gas outlet (5012) is kept away from air inlet chamber (6) direction along cooling step-down case (501) and is distributed on cooling step-down case (501) lateral wall, and all communicates in second outlet duct (5014) through the conveyer pipe that has the stop valve to be linked together through second outlet duct (5014) and gas rose box (502).

8. The tooling for the high-temperature endurance test of the metal material according to claim 1, characterized in that: the filter element (9) is sequentially provided with a first ceramic filter plate (901), a first activated carbon layer (902), an alkaline or acidic filter layer (903), a second activated carbon layer (904) and a second ceramic filter plate (905) from bottom to top.

9. The tooling for the high-temperature endurance test of the metal material according to claim 1, characterized in that: the inside below of gas filtration case (502) is provided with dispersion impeller (5023), and dispersion impeller (5023) are for having just to the baffle of second outlet duct (5014) and enclosing a plurality of scattered gas pockets of locating the baffle, and dispersion impeller (5023) are located between exit end and filter core (9) of second outlet duct (5014).

10. The tooling for the high-temperature endurance test of the metal material according to claim 1, characterized in that: the sealing cylinder (3) is formed by connecting a straight pipe and a high-temperature resistant corrugated pipe, and two ends of the sealing cylinder are fixedly installed on the upper joint (1) and the lower joint (2) respectively.