Performance detection equipment for super austenitic stainless steel cladding wear-resistant layer

Abstract

The utility model provides super austenitic stainless steel cladding wear-resistant layer performance detection equipment which comprises a detection box body, the top of the detection box body is provided with a detection cavity, the upper surface of the detection box body is provided with a control panel, the detection box body is provided with a sealing door in a hinged mode, and the sealing door is used for sealing the detection cavity. An assembly plate is hinged in the detection cavity; the detection part is mounted on the assembly plate; the positioning part is arranged on the detection cavity, the sealing door and the assembly plate and is used for pressing down to limit the movement of the test piece; according to the performance detection equipment for the super austenitic stainless steel cladding wear-resistant layer, dust during detection can be cleaned through cooperation of the dust falling part and the constant-temperature part, the constant temperature in the detection cavity is maintained, the situation that dust flies to affect the surrounding environment when a test piece is taken and placed is effectively avoided, meanwhile, material performance fluctuation caused by temperature is eliminated, and the detection efficiency is improved. And the accuracy and reproducibility of detection data are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser cladding coating detection technical field, specifically, it relates to be used for super austenitic stainless steel cladding wear -resistant layer performance detection equipment. BACKGROUND

[0002] Super austenitic stainless steel because of its high molybdenum, high nitrogen composition, has excellent corrosion resistance and wear resistance, and then after the high-energy laser beam is cladded super austenitic stainless steel protective layer on the surface of base material, can realize the multifunctional synergistic strengthening of corrosion resistance, wear resistance, fatigue resistance under extreme working conditions. To ensure that the surface wear -resistant layer performance meets the industrial demand, it is necessary to evaluate its hardness, wear resistance, bonding strength, corrosion resistance and other key indicators through a systematic detection method.

[0003] But the existing detection equipment lacks the protection of the surrounding environment of the detection position, and the dust generated during detection is easy to fly and pollute the surrounding environment, which affects the health of the staff, and it is not convenient to accurately control the environment temperature at the detection position, which is not conducive to improving the accuracy and repeatability of the detection results, and the detection equipment is mainly aimed at the wear resistance performance of the test piece under normal environmental conditions, and there is no component about environmental simulation, which is not suitable for the simulation of the wear behavior of the test piece under the action of salt spray, so that the comprehensiveness of the detection data is low, and it is not conducive to the performance design of super austenitic stainless steel cladding wear -resistant layer under different environments. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing super austenitic stainless steel cladding wear -resistant layer performance detection equipment to solve the above -mentioned problems.

[0005] In order to realize the above -mentioned purpose, the utility model embodiment provides super austenitic stainless steel cladding wear -resistant layer performance detection equipment, including: detection box, the top of the detection box is equipped with detection cavity, the upper surface of the detection box is installed with control panel, the detection box is hingedly installed with the sealing door for closing the detection cavity, the detection cavity is hingedly installed with the assembly plate;

[0006] Detection part, the detection part is installed on the assembly plate;

[0007] Positioning part, the positioning part is arranged on the detection cavity, the sealing door and the assembly plate, for down -pressing limit test piece activity;

[0008] Dust falling part, the dust falling part is installed in the detection box, and the dust falling part is communicated with the detection cavity;

[0009] Constant temperature part, the constant temperature part is assembled in the detection box and communicated with the dust falling part;

[0010] A salt corrosion part is arranged in the detection box and is in communication with the dust falling part and the detection cavity.

[0011] The dust falling part is driven to collect dust generated during detection of the test piece in the detection cavity and to heat the detection cavity in cooperation with the constant temperature part.

[0012] Further, the dust falling part comprises a blowing cover and a gas collecting cover arranged respectively at the front and rear sides of the detection cavity and in communication with the detection cavity, a dust collecting box and a gas pump installed in the detection box, a dust collecting drawer slidingly assembled in the dust collecting box, a filter plate installed at the top of the dust collecting drawer, two air pipes in communication with the blowing cover and the gas collecting cover respectively, a dust discharging pipe having one end penetrating through the dust collecting box and extending into the dust collecting drawer, a gas conveying pipe having one end in communication with the gas inlet end of the gas pump and the other end in communication with the top of the dust collecting box, and

[0013] The other end of the dust discharging pipe is in communication with the gas collecting cover through the air pipe.

[0014] The gas outlet end of the gas pump is in communication with the blowing cover through the constant temperature part and the air pipe.

[0015] Further, the constant temperature part comprises a heating box fixed in the detection box, a plurality of heating pipes installed in the heating box, a gas conveying pipe having one end in communication with the upper end of one side of the heating pipes and the other end in communication with the blowing cover through the air pipe, a first valve installed on the gas conveying pipe, and a temperature sensor installed in the detection cavity.

[0016] The gas outlet end of the gas pump is in communication with the lower end of the other side of the heating box.

[0017] The temperature sensor and the plurality of heating pipes are electrically connected to the control panel.

[0018] Further, the salt corrosion part comprises a liquid storage tank and a waste liquid tank arranged in the detection box, a water pump installed in the detection box, a liquid conveying pipe having one end in communication with the liquid outlet end of the water pump and the other end in communication with the gas conveying pipe, a liquid discharging pipe having one end in communication with the bottom of the detection cavity and the other end extending above the waste liquid tank, and a second valve installed on the liquid discharging pipe.

[0019] Further, the detection part comprises a driving motor installed on the assembly plate, two control grooves symmetrically formed on the assembly plate, two control blocks slidingly installed in the two control grooves, a reciprocating screw rod rotatably installed on the assembly plate through a bearing seat and fixedly connected with the output end of the driving motor, a control frame fixedly connected with the two control blocks and threadedly connected with the reciprocating screw rod, two detection rods slidingly connected with the two control blocks respectively, two detection pins threadedly connected with the lower ends of the two detection rods respectively, and annular weights arranged on the upper ends of the two detection rods respectively.

[0020] Further, the positioning part comprises a plurality of limiting seats fixedly arranged on the bottom end of the detection cavity and corresponding to the four corners of the test piece, two positioning screw rods symmetrically and threadedly connected with the assembly plate and abutting against the test piece, two limiting frames symmetrically fixed on the inner wall of the detection cavity and abutting against the assembly plate, an abutting frame fixed on the lower surface of the sealing door and abutting against the assembly plate, two rotating limiting grooves and positioning grooves symmetrically formed on the upper surface of the sealing door and the detection box, and two positioning blocks rotatably installed in the two rotating limiting grooves and corresponding to the two positioning grooves respectively.

[0021] Further, the blow cover and the gas collecting cover are fixedly connected with a plurality of porous flow uniformizing plates.

[0022] Compared with the prior art, the embodiments of the utility model have the following beneficial effects:

[0023] The super austenitic stainless steel cladding wear-resistant layer performance detection equipment can complete the stable positioning of the test piece and the assembly plate in the detection cavity by controlling the sealing door to close the detection cavity and cooperating with the positioning part, effectively isolates the interference of the external environment on the test piece detection in the detection cavity, and ensures the stability of the test piece detection;

[0024] The super austenitic stainless steel cladding wear-resistant layer performance detection equipment can extract the air in the detection cavity, filter and heat the air, and then convey the air back to the detection cavity, so that the dust generated during detection can be collected and stored, subsequent centralized processing is facilitated, the environment around the detection position is prevented from being polluted by dust during the detection of the test piece, the harm to the body of the worker is reduced, the stability of the temperature in the detection cavity is ensured, the material performance fluctuation caused by temperature can be effectively eliminated, the instrument calibration frequency and maintenance cost are reduced, and the accuracy and reproducibility of the detection data are ensured;

[0025] The equipment for detecting the performance of the super austenitic stainless steel cladded wear-resistant layer, through the setting of the salt corrosion part, can convey the well-proportioned NaCl solution to the detection cavity, simulate the salt mist environment in the detection cavity, and carry out the friction experiment of the test piece by the detection part, effectively improve the comprehensiveness of the detection result data, and is favorable for the performance design of the super austenitic stainless steel cladded wear-resistant layer under different environments, and improves the practicability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0026] The utility model is further explained below in combination with the drawings and examples.

[0027] Figure 1 The utility model discloses a perspective view shows;

[0028] Figure 2 The utility model discloses a partial perspective view shows;

[0029] Figure 3 The utility model discloses a partial side view shows;

[0030] Figure 4 The utility model discloses a partial cutaway perspective view shows Figure 1 ;

[0031] Figure 5 The utility model discloses a partial split perspective view shows Figure 1 ;

[0032] Figure 6 The utility model discloses a partial split perspective view shows Figure 2 ;

[0033] Figure 7 The utility model discloses a partial cutaway perspective view shows Figure 2 ;

[0034] Figure 8 The utility model discloses an enlarged perspective view of A place shows. Figure 2

[0035] In the drawing

[0036] ​1, detection box; 2, control panel; 3, detection cavity; 4, sealing door; 5, assembly plate; 6, detection part; 7, positioning part; 8, dust fall part; 9, constant temperature part; 10, salt corrosion part; 11, air blowing cover; 12, gas collecting cover; 13, dust collecting box; 14, air pump; 15, dust collecting drawer; 16, filter plate; 17, air equalizing pipe; 18, dust discharging pipe; 19, air conveying pipe; 20, heating box; 21, heating pipe; 22, conveying pipe; 23, first valve; 24, temperature sensor; 25, liquid storage tank; 26, waste liquid tank; 27, water pump; 28, liquid conveying pipe; 29, liquid discharging pipe; 30, second valve; 31, driving motor; 32, control groove; 33, control block; 34, reciprocating screw rod; 35, control frame; 36, detection rod; 37, detection pin; 38, annular weight; 39, limiting seat; 40, positioning screw; 41, limiting frame; 42, pressing frame; 43, rotating limiting groove; 44, positioning groove; 45, positioning block; 46, porous flow equalizing plate; 47, test piece. DETAILED DESCRIPTION

[0037] The utility model will be explained further in detail now in combination with the drawings. These drawings are all simplified schematic diagrams, and only schematically show the basic structure of the utility model, so it only shows the structure related to the utility model.

[0038] As Figures 1-8 The utility model discloses a super austenitic stainless steel cladding wear -resisting layer performance detection equipment, including: detection box 1, the top of detection box 1 is equipped with detection cavity 3, the upper surface of detection box 1 is installed control panel 2, the detection cavity 3 is hinged on detection box 1 and is installed sealing door 4 for closing detection cavity 3, the detection cavity 3 is hinged with assembly plate 5 in it;

[0039] Detection part 6 is installed on assembly plate 5;

[0040] Positioning part 7 is arranged on detection cavity 3, sealing door 4 and assembly plate 5, and is used to press down and limit the activity of test piece 47;

[0041] Dust fall part 8 is installed in detection box 1, and dust fall part 8 is communicated with detection cavity 3;

[0042] Constant temperature part 9 is assembled in detection box 1 and is communicated with dust fall part 8;

[0043] Salt corrosion part 10 is arranged in detection box 1 and is communicated with dust fall part 8 and detection cavity 3, wherein

[0044] The dust falling part 8 is driven to collect the dust generated when the test piece 47 is detected in the detection cavity 3, and cooperates with the constant temperature part 9 to heat the detection cavity 3;

[0045] In use, the test piece 47 is assembled into the detection cavity 3 through the positioning part 7, and the assembly plate 5 is in a horizontal state, so that the friction test of the test piece 47 can be performed through the detection part 6, the sealing door 4 can effectively isolate the detection cavity 3 from the external environment, and the influence of the external environment on the detection cavity 3 is avoided; before the test of the detection part 6, the number of the annular weights 38 on the two detection rods 36 and the detection pins 37 made of different materials can be changed, so as to detect the wear of the test piece 47 under the same pressure and the wear of the test piece 47 under the same material detection pin 37 under different pressures, so as to ensure the comprehensiveness of the detection result data and effectively improve the practicability of the equipment; at the same time, the dust falling part 8 and the constant temperature part 9 work when the test piece 47 is detected, the air in the detection cavity 3 is extracted, and after filtration and heating, the air is transported back into the detection cavity 3, so that the dust generated during detection can be collected and stored, which is convenient for subsequent centralized processing, effectively avoids the dust pollution of the environment around the detection position when the test piece 47 is detected, reduces the harm to the body of the worker, ensures the stability of the temperature in the detection cavity 3, and effectively eliminates the material performance fluctuation caused by the temperature, reduces the instrument calibration frequency and maintenance cost, and ensures the accuracy and reproducibility of the detection data; and when needed, the NaCl solution with a certain proportion can be transported into the detection cavity 3 through the salt corrosion part 10, and the friction experiment of the test piece 47 can be performed in the salt spray environment in the detection cavity 3 through the detection part 6, so as to effectively improve the comprehensiveness of the detection result data, and be beneficial to the performance design of the super austenitic stainless steel cladding wear-resistant layer in different environments.

[0046] Optionally, the dust falling part 8 comprises a blowing cover 11 and a gas collecting cover 12 arranged on the front and rear sides of the detection cavity 3 respectively and connected with the detection cavity 3, a dust collecting box 13 and a gas pump 14 installed in the detection box 1, a dust collecting drawer 15 slidingly assembled in the dust collecting box 13, a filter plate 16 installed on the top of the dust collecting drawer 15, two air pipes 17 connected with the blowing cover 11 and the gas collecting cover 12 respectively, a dust discharging pipe 18 penetrating through the dust collecting box 13 and extending into the dust collecting drawer 15, and a gas conveying pipe 19 connected with the gas inlet end of the gas pump 14 and the top of the dust collecting box 13;

[0047] The other end of the dust discharging pipe 18 is connected with the gas collecting cover 12 through the air pipe 17;

[0048] The air outlet end of the air pump 14 is connected with the air blowing cover 11 through the thermostat part 9 and the air equalizing pipe 17. When the friction detection of the test piece 47 is performed by the detection part 6, the air pump 14 is set to work. Under the cooperation of the conveying pipe 22, the air in the dust collecting box 13 is extracted, so that the negative pressure is formed in the dust collecting box 13. Under the cooperation of the dust discharging pipe 18, the air equalizing pipe 17 and the air collecting cover 12, the air in the detection cavity 3 is extracted, so that the air can carry the dust generated during the detection and can be conveyed into the dust collecting box 13 to be filtered by the filter plate 16. The filtered air is conveyed into the detection cavity 3 through the air equalizing pipe 17 and the air blowing cover 11 after passing through the thermostat part 9, so that the circulating air flow is formed in the detection cavity 3 to carry away the dust in the detection cavity 3, avoid the pollution of the surrounding environment caused by the dust flying, and reduce the harm to the body of the worker. The filtered dust falls into the dust collecting drawer 15 for storage, which is convenient for subsequent processing.

[0049] Optionally, the thermostat part 9 comprises a heating box 20 fixed in the detection box body 1, a plurality of heating pipes 21 installed in the heating box 20, a conveying pipe 22 having one end connected with one side of the upper end of the heating pipe 21 and the other end connected with the air blowing cover 11 through the air equalizing pipe 17, a first valve 23 installed on the conveying pipe 22, and a temperature sensor 24 installed in the detection cavity 3.

[0050] The air outlet end of the air pump 14 is connected with the other side of the lower end of the heating box 20.

[0051] The temperature sensor 24 and the plurality of heating pipes 21 are electrically connected with the control panel 2. When the dust falling part 8 works, the filtered air flow enters the heating box 20 through the air pump 14. Under the heating of the plurality of heating pipes 21, the air flow is heated and then conveyed into the detection cavity 3 through the conveying pipe 22. Under the detection of the temperature sensor 24, the temperature data is determined and transmitted to the control panel 2. The control panel 2 controls the heating temperature of the plurality of heating pipes 21 to adjust the stability of the air flow conveyed into the detection cavity 3, so as to ensure that the detection cavity 3 is in a constant temperature state and effectively reduces the influence of the environment on the detection result.

[0052] Optionally, the salt corrosion part 10 comprises a liquid storage tank 25 and a waste liquid tank 26 arranged in the detection box 1, a water pump 27 arranged in the detection box 1, a liquid delivery pipe 28 connected to the water pump 27 at one end and connected to the delivery pipe 22 at the other end, a liquid discharge pipe 29 connected to the bottom of the detection cavity 3 at one end and extending above the waste liquid tank 26 at the other end, and a second valve 30 arranged on the liquid discharge pipe 29. In use, the NaCl solution required is supplemented in the liquid storage tank 25 in advance. When needed, the communication between the delivery pipe 22 and the heating box 20 can be closed by controlling the first valve 23 in the constant temperature part 9. Under the delivery of the water pump 27, the NaCl solution in the liquid storage tank 25 is delivered into the delivery pipe 22 through the liquid delivery pipe 28, and then flows into the storage cavity through the air equalizing pipe 17 and the air blowing cover 11 until the liquid level of the NaCl solution is above the upper surface of the test piece 47, so that the test piece 47 is in a salt spray environment. In combination with the reciprocating friction of the detection part 6 on the surface of the test piece 47, the tribological properties of the wear-resistant layer under lubricated conditions can be evaluated, and the comprehensiveness of the test results of the test piece 47 is improved. After the detection is completed, the second valve 30 can be opened, so that the contaminated NaCl solution can be discharged through the liquid discharge pipe 29 to the waste liquid tank 26 for storage, facilitating subsequent processing.

[0053] Optionally, the detection part 6 comprises a driving motor 31 mounted on the assembly plate 5, two control grooves 32 symmetrically opened on the assembly plate 5, two control blocks 33 slidingly installed in the two control grooves 32, a reciprocating screw rod 34 rotatably installed on the assembly plate 5 through a bearing seat and fixedly connected with the output end of the driving motor 31, a control frame 35 fixedly connected with the two control blocks 33 and screwedly connected with the reciprocating screw rod 34, two detection rods 36 respectively slidingly connected with the two control blocks 33, two detection pins 37 respectively screwedly connected at the lower ends of the two detection rods 36, and annular weights 38 respectively arranged at the upper ends of the two detection rods 36, wherein the two detection pins 37 are both round head pins, when the assembly of the test piece 47 in the detection cavity 3 is completed through the positioning part 7 and it is ensured that the assembly plate 5 is in a horizontal state, the driving motor 31 is arranged to work, the reciprocating screw rod 34 is controlled to rotate, and then the control frame 35 drives the two control blocks 33 to reciprocate in the two control grooves 32 respectively, and due to the gravity pressing of the annular weights 38, the detection pins 37 at the bottoms of the two detection rods 36 are in contact with the super austenitic stainless steel cladding layer on the surface of the test piece 47, so that the detection pins 37 at the bottoms of the two detection rods 36 reciprocate on the surface of the test piece 47 under the driving of the two control blocks 33, and when the reciprocating movement of the detection pins 37 reaches a set number of times, the test piece 47 is driven out of the detection cavity 3, the friction surface can be observed and measured, the wear degree and wear change can be analyzed, and the wear resistance of the super austenitic stainless steel cladding layer on the surface of the test piece 47 can be evaluated; and the two detection pins 37 can be made of different materials during use, and the downward pressing force of the two detection rods 36 can be adjusted by adjusting the number of the annular weights 38 at the tops of the two detection rods 36, so that the friction and wear generated by the super austenitic stainless steel cladding layer in contact with different materials under different pressures during use can be simulated, and the comprehensiveness of the obtained test results can be effectively improved.

[0054] Optionally, the positioning part 7 comprises a plurality of limiting seats 39 fixed to the bottom end of the detection cavity 3 and corresponding to the four corners of the test piece 47, two positioning screws 40 symmetrically screwed on the assembly plate 5 and abutting against the test piece 47, two limiting frames 41 symmetrically fixed to the inner wall of the detection cavity 3 and abutting against the assembly plate 5, an abutting frame 42 fixed to the lower surface of the sealing door 4 and abutting against the assembly plate 5, two rotary limiting grooves 43 and positioning grooves 44 symmetrically formed on the upper surface of the sealing door 4 and the detection box 1, two positioning blocks 45 rotatably installed in the two rotary limiting grooves 43 and corresponding to the two positioning grooves 44, respectively. By arranging the plurality of limiting seats 39, the horizontal movement of the test piece 47 placed in the detection cavity 3 can be effectively limited. When the rotary assembly plate 5 contacts the limiting frame 41, the assembly plate 5 remains horizontal, and the bottoms of the two positioning screws 40 abut against the upper surface of the test piece 47. Then, the detection cavity 3 is closed by turning over the sealing door 4, and the two positioning blocks 45 in the two rotary limiting grooves 43 are rotated into the two positioning grooves 44, respectively, to limit the movement of the sealing door 4, and then the movement of the assembly plate 5 is limited under the control of the abutting frame 42, effectively ensuring the stability of the test piece 47 during detection by the detection part 6 and the stable testing of the test piece 47. When the two positioning blocks 45 are rotated to release the limitation of the sealing door 4, and the detection cavity 3 is opened, the limitation of the assembly plate 5 and the test piece 47 is released, and the test piece 47 can be quickly taken out for subsequent processing. During use, the downward distance of the two positioning screws 40 can be adjusted by rotating the two positioning screws 40, so that the super austenitic stainless steel cladding layer of different thicknesses can be effectively positioned.

[0055] Optionally, the blow cover 11 and the gas collecting cover 12 are fixedly connected with a plurality of porous flow uniformizing plates 46 inside. When the airflow passes through the porous flow uniformizing plates 46, the flow rate and flow direction are dispersed, and the shunt pipe is arranged to make the airflow pass through the gas collecting cover 12 and the blow cover 11 more uniformly after passing through the porous flow uniformizing plates 46, so as to form a uniform and stable airflow channel in the detection cavity 3, effectively taking away the dust generated during detection.

[0056] The above only describes preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A device for testing the properties of a super austenitic stainless steel cladded wear layer, characterized by, The utility model relates to a performance detection equipment for super austenitic stainless steel cladding wear -resisting layer, including: The detection box (1) of top opening has detection chamber (3), the upper surface of detection box (1) is equipped with control panel (2), the sealing door (4) for closing detection chamber (3) is hinged to detection box (1), the detection chamber (3) is hinged with the assembly plate (5) in; Detection part (6) is installed on the assembly plate (5); Positioning part (7) is arranged on the detection chamber (3), the sealing door (4) and the assembly plate (5), for the activity of lower pressure limit test piece (47); Dust fall part (8) is installed in the detection box (1), and the dust fall part (8) is communicated with the detection chamber (3); Constant temperature part (9) is assembled in the detection box (1), and is communicated with the dust fall part (8); Salt corrosion part (10) is arranged in the detection box (1), and is communicated with the dust fall part (8) and the detection chamber (3), wherein drive the dust fall part (8) for collecting the dust generated in the detection chamber (3) when test piece (47) is detected, and cooperate constant temperature part (9) to heat in the detection chamber (3).

2. The performance detection equipment for super austenitic stainless steel cladding wear -resisting layer according to claim 1, wherein the dust fall part (8) includes the gas blowing cover (11) and the gas collecting cover (12) being respectively arranged at the front and rear sides of the detection chamber (3) and being both communicated with the detection chamber (3), the dust collecting box (13) and the air pump (14) being installed in the detection box (1), the dust collecting drawer (15) being slidingly assembled in the dust collecting box (13), the filter plate (16) being installed on the top of the dust collecting drawer (15), the two air pipes (17) being respectively communicated with the gas blowing cover (11) and the gas collecting cover (12), the dust discharging pipe (18) being penetrated through the dust collecting box (13) and extending into the dust collecting drawer (15), the air conveying pipe (19) being communicated with the air inlet end of the air pump (14) at one end and communicated with the top of the dust collecting box (13) at the other end; the other end of the dust discharging pipe (18) is communicated with the gas collecting cover (12) through the air pipe (17); the air outlet end of the air pump (14) is communicated with the gas blowing cover (11) through the constant temperature part (9) and the air pipe (17).

3. The performance detection equipment for super austenitic stainless steel cladding wear -resisting layer according to claim 2, wherein the constant temperature part (9) includes the heating box (20) being fixed in the detection box (1), the plurality of heating pipes (21) being installed in the heating box (20), the conveying pipe (22) being communicated with the gas blowing cover (11) at one end and communicated with the air pipe (17) at the other end, the first valve (23) being installed on the conveying pipe (22), and the temperature sensor (24) being installed in the detection chamber (3). The air outlet end of the air pump (14) is communicated with the other side lower end of the heating box (20); The temperature sensor (24) and the heating pipes (21) are electrically connected with the control panel (2).

4. The performance detection equipment for super austenitic stainless steel cladding wear-resistant layer according to claim 3, characterized in that, The salt corrosion part (10) comprises a liquid storage tank (25) and a waste liquid tank (26) arranged in the detection box (1), a water pump (27) arranged in the detection box (1), a liquid delivery pipe (28) having one end communicated with the liquid outlet end of the water pump (27) and the other end communicated with the conveying pipe (22), a liquid discharge pipe (29) having one end communicated with the bottom of the detection cavity (3) and the other end extended above the waste liquid tank (26), and a second valve (30) arranged on the liquid discharge pipe (29).

5. The performance detection equipment for super austenitic stainless steel cladding wear-resistant layer according to claim 3, characterized in that, The detection part (6) comprises a driving motor (31) arranged on the assembly plate (5), two control grooves (32) symmetrically arranged on the assembly plate (5), two control blocks (33) slidingly arranged in the two control grooves (32), a reciprocating screw rod (34) rotatably arranged on the assembly plate (5) through a bearing seat and fixedly connected with the output end of the driving motor (31), a control frame (35) fixedly connected with the two control blocks (33) and threadedly connected with the reciprocating screw rod (34), two detection rods (36) slidingly connected with the two control blocks (33) respectively, two detection pins (37) threadedly connected with the lower ends of the two detection rods (36) respectively, and annular weights (38) arranged on the upper ends of the two detection rods (36) respectively.

6. The performance detection equipment for super austenitic stainless steel cladding wear-resistant layer according to claim 5, characterized in that, The positioning part (7) comprises a plurality of limiting seats (39) fixedly arranged on the inner bottom end of the detection cavity (3) and corresponding to the four corners of the test piece (47), two positioning screw rods (40) symmetrically threadedly connected on the assembly plate (5) and abutting against the test piece (47), two limiting frames (41) symmetrically fixedly arranged on the inner wall of the detection cavity (3) and abutting against the assembly plate (5), an abutting frame (42) fixedly arranged on the lower surface of the sealing door (4) and abutting against the assembly plate (5), two rotation limiting grooves (43) and a positioning groove (44) symmetrically arranged on the upper surfaces of the sealing door (4) and the detection box (1), two positioning blocks (45) rotatably arranged in the two rotation limiting grooves (43) and corresponding to the two positioning grooves (44) respectively.

7. The performance detection equipment for super austenitic stainless steel cladding wear-resistant layer according to claim 6, characterized in that, The blow cover (11) and the gas collecting cover (12) are fixedly connected with a porous flow equalizing plate (46) inside.

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