CN219369441U - Salt spray corrosion composite tension-torsion test equipment - Google Patents

Salt spray corrosion composite tension-torsion test equipment Download PDF

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Publication number
CN219369441U
CN219369441U CN202320448982.5U CN202320448982U CN219369441U CN 219369441 U CN219369441 U CN 219369441U CN 202320448982 U CN202320448982 U CN 202320448982U CN 219369441 U CN219369441 U CN 219369441U
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CN
China
Prior art keywords
salt spray
torsion
spray corrosion
salt
force measuring
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CN202320448982.5U
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Chinese (zh)
Inventor
武文华
程丛志
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Dalian Dihang Technology Co ltd
Dalian University of Technology
Ningbo Research Institute of Dalian University of Technology
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Dalian Dihang Technology Co ltd
Dalian University of Technology
Ningbo Research Institute of Dalian University of Technology
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Priority to CN202320448982.5U priority Critical patent/CN219369441U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Abstract

The utility model discloses salt spray corrosion composite tension-torsion test equipment, which comprises a bracket, a salt spray corrosion box, a pressurizing gas transmission mechanism and a salt water box, wherein the bracket is arranged on the bracket; the bracket is provided with a torsion force measuring clamp, a stretching force measuring clamp and a control system; the salt spray corrosion box is arranged on the bracket; the torsion force measuring clamp and the stretching force measuring clamp are arranged oppositely; a first heating rod and a salt spray nozzle are arranged in the salt spray corrosion box; the pressurizing gas transmission mechanism is arranged on the control system and is used for outputting high-pressure water vapor; the salt water tank is arranged on the salt fog corrosion tank; the salt spray nozzle is respectively communicated with the pressurizing gas transmission mechanism and the salt water tank through pipelines; the torsion force measuring clamp and the stretching force measuring clamp are electrically connected with the control system. The utility model can construct a salt spray corrosion acceleration environment, has good corrosion acceleration effect and saves time cost; the test form is close to engineering practice, and the performance test of metals subjected to corrosion and various stresses for a long time is more accurate.

Description

Salt spray corrosion composite tension-torsion test equipment
Technical Field
The utility model relates to the field of ocean engineering metal material testing equipment, in particular to salt spray corrosion composite tension-torsion testing equipment.
Background
The metal has strong bearing capacity and good economy, and is widely applied to ship and ocean engineering structures. However, when the metal structure is exposed in a high-chlorine and wet marine environment, the metal structure is subjected to severe corrosion and bears stretching, compression, bending, fatigue or various composite loads, and the coupling effect of the marine corrosion and the load stress can accelerate the decay of the mechanical properties of the metal, so that the structural failure is accelerated. Therefore, the method is necessary for testing the mechanical properties and corrosion of the metal of the marine and ocean engineering structures.
But the stress-corrosion coupling test for the metal member, and its difficulties. The related equipment has better corrosion resistance while meeting certain strength and rigidity; related sensors and other accessories are also required to have high reliability in severe corrosive environments. In the traditional structural design, the mechanical property and corrosion resistance of metal are usually tested independently, and a corrosion allowance is introduced on the basis of strength design. The traditional design method has the advantages that the coupling effect of stress and corrosion is considered, special phenomena such as stress corrosion cracking, corrosion acceleration creep deformation, corrosion fatigue and the like are not comprehensively considered, and potential safety hazards can be brought to long-term service of ships and marine engineering structures. Moreover, corrosion is a long-term behavior, the action process is slow, and the research on the corrosion behavior of metal under the stress state needs to take a relatively large time cost.
Therefore, a salt spray corrosion composite tension-torsion test device is provided.
Disclosure of Invention
The utility model aims to provide salt spray corrosion composite tension-torsion test equipment, which aims to solve or improve at least one of the technical problems.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides salt spray corrosion composite tension-torsion test equipment, which comprises:
the support is provided with a torsion force measuring clamp, a stretching force measuring clamp and a control system;
the salt spray corrosion box is arranged on the bracket; the output end of the torsion force measuring clamp and the output end of the stretching force measuring clamp are arranged oppositely and extend into the salt spray corrosion box; a first heating rod and a salt spray nozzle are arranged in the salt spray corrosion box;
the pressurized gas transmission mechanism is arranged on the control system and is used for outputting high-pressure water vapor;
the salt water tank is arranged on the salt fog corrosion tank;
the salt spray nozzle is respectively communicated with the pressurizing gas transmission mechanism and the salt water tank through pipelines; the torsion force measuring clamp and the stretching force measuring clamp are electrically connected with the control system.
According to the utility model, a salt spray corrosion composite tension-torsion test device is provided, and the control system comprises:
the control cabinet is arranged on the bracket;
the baffle is fixedly connected in the control cabinet and divides the inner cavity of the control cabinet into an upper cabinet body and a lower cabinet body;
the control assembly is arranged in the upper cabinet body;
the pressurizing and air conveying mechanism is installed in the lower cabinet body, and the torsion force measuring clamp and the stretching force measuring clamp are electrically connected with the control assembly.
According to the salt spray corrosion composite tension-torsion test equipment provided by the utility model, a first environment monitoring component is arranged in a salt spray corrosion box; the pressurized gas delivery mechanism comprises:
the pressure kettle is arranged in the lower cabinet body; the pressure kettle is communicated with the salt spray nozzle through the pipeline; the pipeline is provided with an air pump, an air pressure gauge and a pressure regulating valve;
the second heating rod is arranged in the pressure kettle;
the salt fog generation controller is arranged in the lower cabinet body;
a second environmental monitoring assembly mounted within the autoclave;
the first heating rod, the second heating rod, the air pump, the air pressure meter, the pressure regulating valve, the second environment monitoring assembly and the first environment monitoring assembly are electrically connected with the salt fog generation controller.
According to the utility model, there is provided a salt spray corrosion composite tension-torsion test device, the control assembly comprising:
the data acquisition board is arranged in the upper cabinet body;
the computer is arranged in the upper cabinet body;
the torsion force measuring clamp, the stretching force measuring clamp and the computer are electrically connected with the data acquisition board card.
According to the utility model, the salt spray corrosion composite tension-torsion test equipment is provided, and the torsion force measuring clamp comprises:
the torsion actuator is arranged on the bracket, and the tail end of an output shaft of the torsion actuator extends into the salt spray corrosion box;
the electronic torsion meter is fixedly arranged on an output shaft of the torsion actuator and is positioned outside the salt spray corrosion box;
the first clamp is fixedly connected to the tail end of the output shaft of the torsion actuator and is positioned in the salt spray corrosion box;
the first clamp and the output end of the stretching force measuring clamp are arranged oppositely; the torsion actuator and the electronic torsion meter are electrically connected with the data acquisition board card.
According to the utility model, the salt spray corrosion composite tension-torsion test equipment is provided, and the tensile force measuring clamp comprises:
the stretching actuator is arranged on the bracket, and the tail end of an output shaft of the stretching actuator stretches into the salt spray corrosion box;
the electronic tension meter is fixedly arranged on an output shaft of the stretching actuator and is positioned outside the salt spray corrosion box;
the second clamp is fixedly connected to the tail end of the output shaft of the stretching actuator and is positioned in the salt spray corrosion box;
wherein the first clamp and the second clamp are arranged opposite to each other; and the stretching actuator and the electronic tension meter are electrically connected with the data acquisition board card.
The utility model provides salt spray corrosion composite tension-torsion test equipment, which comprises a first environment monitoring assembly, a second environment monitoring assembly and a first control assembly, wherein the first environment monitoring assembly comprises a first temperature sensor and a first liquid level sensor; the first temperature sensor and the first liquid level sensor are both arranged in the salt spray corrosion box and are both electrically connected with the salt spray generation controller;
the second environment monitoring assembly comprises a second temperature sensor and a second liquid level sensor; the second temperature sensor and the second liquid level sensor are both installed in the pressure kettle and are both electrically connected with the salt fog generation controller.
According to the salt spray corrosion composite tension-torsion test equipment provided by the utility model, a demisting hole is formed in a salt spray corrosion box; the brine tank is provided with a water drawing hole, and the pipeline is communicated with the inner cavity of the brine tank through the water drawing hole.
According to the salt spray corrosion composite tension-torsion test equipment provided by the utility model, a first window is arranged on the side wall of a salt spray corrosion box; and a second window is arranged on the top wall of the brine tank.
The utility model discloses the following technical effects:
the utility model applies stretching, compressing, twisting or combined load to the piece to be tested by utilizing the torsion force measuring clamp and the stretching force measuring clamp, and the force measuring and stress data are transmitted to the control system; providing high-pressure water vapor through a pressurizing gas transmission mechanism, mixing the high-pressure water vapor with salt water prepared in a salt water tank through a salt spray nozzle, and spraying salt mist into a salt spray corrosion tank; the dispersed salt fog environment has the characteristics of high chlorine, high moisture content, high oxygen content and the like, can effectively accelerate metal corrosion, and greatly saves time and cost to cause accelerated corrosion of salt fog; the utility model can construct a salt spray corrosion acceleration environment, has good corrosion acceleration effect, has a test form close to engineering practice, and is more accurate in performance test of metals subjected to corrosion and various stress effects for a long time;
the output end of the torsion force measuring clamp and the output end of the tensile force measuring clamp and the piece to be tested are both positioned in the salt spray corrosion box, so that the torsion force measuring clamp is exposed in a corrosion environment, the defects of long corrosion test period, slow effect, difficult stress and corrosion coupling loading are well overcome, and the function of testing metal performance in a long-term severe corrosion acceleration environment is realized; and meanwhile, other parts of the equipment are placed in a non-corrosive environment, so that the service life of the equipment is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of A-A of FIG. 1;
FIG. 3 is a cross-sectional view of B-B of FIG. 1;
FIG. 4 is a schematic diagram of a control cabinet according to the present utility model;
FIG. 5 is a cross-sectional view of C-C of FIG. 4;
FIG. 6 is a cross-sectional view of D-D of FIG. 4;
1, a torsion actuator; 2. a salt spray corrosion box; 3. a stretching actuator; 4. a bracket; 6. salt spray nozzle; 8. demisting holes; 9. a first temperature sensor; 10. a first heating rod; 12. a brine tank; 14. a water drawing hole; 15. an electronic torsion meter; 16. a first clamp; 17. an electronic tension meter; 18. a second clamp; 19. a data acquisition board card; 20. a computer; 21. a power switch; 22. a leakage protector; 23. an air pump; 24. a pressure kettle; 25. an air pressure gauge; 26. a pressure regulating valve; 27. a salt mist generation controller; 28. a control cabinet; 29. a first window; 30. a second window; 31. a first drain hole; 32. a second drain hole; 33. a first liquid level sensor; 34. and a second liquid level sensor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-6, the utility model provides a salt spray corrosion composite tension-torsion test device, comprising:
the bracket 4 is provided with a torsion force measuring clamp and a stretching force measuring clamp and a control system; in this embodiment, the bracket 4 is a steel bracket; the piece to be measured is arranged between the torsion force measuring clamp and the stretching force measuring clamp; the torsion force measuring clamp is used for clamping one end of the piece to be measured and applying torsion load; the stretching force measuring clamp is used for clamping the other end of the piece to be measured and applying stretching and compression load; applying stretching, compressing, twisting or combined load to the piece to be tested through the torsion force measuring clamp and the stretching force measuring clamp, and transmitting force measuring and stress data to a control system;
the salt spray corrosion box 2 is arranged on the bracket 4; the output end of the torsion force measuring clamp and the output end of the stretching force measuring clamp are arranged oppositely and extend into the salt spray corrosion box 2; a first heating rod 10 and a salt spray nozzle 6 are arranged in the salt spray corrosion box 2; the salt spray nozzle 6 is fixed in the salt spray corrosion box 2 through waterproof glue; the salt spray corrosion box 2 isolates the to-be-detected piece from a precise control element and a transmission device in the equipment, so that the reliability of long-term operation of the equipment is ensured;
the pressurizing gas transmission mechanism is arranged on the control system and used for outputting high-pressure water vapor;
a brine tank 12, the brine tank 12 being mounted on the salt spray corrosion tank 2; in the embodiment, the brine tank 12 is welded and fixed on the outer wall of the salt spray corrosion tank 2; high-pressure water vapor is provided by a pressurized gas transmission mechanism, and salt mist is sprayed into the salt mist corrosion box 2 by mixing the salt mist spray head 6 with salt water prepared in the salt water box 12; the dispersed salt fog environment has the characteristics of high chlorine, high moisture content, high oxygen content and the like, can effectively accelerate metal corrosion, and greatly saves time and cost to cause accelerated corrosion of salt fog;
wherein, the salt spray nozzle 6 is respectively communicated with the pressurized gas transmission mechanism and the salt water tank 12 through pipelines (not shown in the figure); the torsion force measuring clamp and the stretching force measuring clamp are electrically connected with the control system;
the output end of the torsion force measuring clamp, the output end of the tension force measuring clamp and the piece to be tested are positioned in the salt spray corrosion box 2, so that the torsion force measuring clamp is exposed in a corrosion environment, the defects of long corrosion test period, slow effect, difficult coupling loading of stress and corrosion are well overcome, and the function of testing metal performance in a long-term severe corrosion acceleration environment is realized; meanwhile, other parts of the equipment are placed in a non-corrosive environment, so that the service life of the equipment is prolonged; the utility model can construct a salt spray corrosion acceleration environment, has good corrosion acceleration effect, has a test form close to engineering practice, and is more accurate in performance test of metals subjected to corrosion and various stress effects for a long time.
In a further optimization scheme, a first drain hole 31 is formed in the bottom of the brine tank 12, and a second drain hole 32 is formed in the bottom of the salt spray corrosion tank 2; drain valves (not shown) are installed in the first drain hole 31 and the second drain hole 32; the first drain hole 31 and the second drain hole 32 are used for draining the liquid in the salt water tank 12 and the salt spray corrosion tank 2 after the test is finished, or adjusting the liquid reserves in the salt water tank 12 and the salt spray corrosion tank 2 according to the test requirements;
in this embodiment, the drain valve is the solenoid valve to drain valve and salt fog generation controller 27 electric connection, accessible salt fog generation controller 27 control drain valve automatic start and stop reduces manual operation intensity, improves equipment degree of automation.
Further optimizing scheme, the control system includes:
the control cabinet 28, the control cabinet 28 is installed on the support 4;
a baffle (not shown in the figure) fixedly connected in the control cabinet 28, and dividing the inner cavity of the control cabinet 28 into an upper cabinet body and a lower cabinet body; the upper cabinet body and the lower cabinet body are sealed and separated through the partition board, so that the partition placement of parts is facilitated;
the control assembly is arranged in the upper cabinet body;
the pressurizing and gas transmission mechanism is arranged in the lower cabinet body, and the torsion force measuring clamp and the stretching force measuring clamp are electrically connected with the control assembly.
In a further optimization scheme, a first environment monitoring component is arranged in the salt spray corrosion box 2; the pressurized gas delivery mechanism comprises:
a pressure kettle 24, wherein the pressure kettle 24 is arranged in the lower cabinet body; the pressure kettle 24 is communicated with the salt spray nozzle 6 through a pipeline; the pipeline is provided with an air pump 23, an air pressure gauge 25 and a pressure regulating valve 26;
a second heating rod (not shown) mounted within autoclave 24;
the salt fog generation controller 27, the salt fog generation controller 27 is installed in the lower cabinet body;
a second environmental monitoring assembly mounted within autoclave 24;
the first heating rod 10, the second heating rod, the air pump 23, the barometer 25, the pressure regulating valve 26, the second environment monitoring component and the first environment monitoring component are all electrically connected with the salt spray generation controller 27; the pressure regulating valve 26 is an electromagnetic valve; the barometer 25 is an electronic barometer;
so set up, produce the hot steam of high pressure through air pump 23, autoclave 24, barometer 25, air-vent valve 26 and integrated salt fog generation controller 27, the hot steam of high pressure is spouted and is drawn the mixed salt water in the salt water tank 12 in salt fog shower nozzle 6 department in salt fog corrosion box 2, and the phase transition becomes the salt fog and diffuses, diffuse in salt fog corrosion box 2, builds salt fog corrosion and accelerates the environment, and the corrosion acceleration is effectual, save time cost.
Further optimizing scheme, the control assembly includes:
the data acquisition board card 19, the data acquisition board card 19 is installed in the upper cabinet body;
a computer 20, wherein the computer 20 is installed in the upper cabinet;
the torsion force measuring clamp, the stretching force measuring clamp and the computer 20 are electrically connected with the data acquisition board card 19; the power switch 21 and the leakage protector 22 are arranged on the lower cabinet body, the power switch 21 and the leakage protector 22 are communicated with an external power supply (not shown in the figure), the power supply is controlled to be communicated and closed through the power switch 21, power is supplied to components in the equipment through the external power supply, the leakage condition of the circuit is monitored through the leakage protector 22, and the safety of the circuit of the equipment is improved;
the device is arranged in such a way, the computer 20 controls the torsion actuator 1 and the tension actuator 3 to apply load to the to-be-tested piece, and the data acquired by the electronic torsion meter 15 and the electronic tension meter 17 are transmitted to the computer 20 through the data acquisition board 19, so that test personnel can grasp test data conveniently.
Further optimizing scheme, torsion dynamometry anchor clamps include:
the torsion actuator 1 is arranged on the bracket 4, and the tail end of an output shaft of the torsion actuator 1 extends into the salt spray corrosion box 2;
the electronic torsion meter 15 is fixedly arranged on the output shaft of the torsion actuator 1 and is positioned outside the salt spray corrosion box 2;
the first clamp 16 is fixedly connected to the tail end of the output shaft of the torsion actuator 1 and is positioned in the salt spray corrosion box 2;
wherein the first clamp 16 is arranged opposite to the output end of the stretching force measuring clamp; the torsion actuator 1 and the electronic torsion meter 15 are electrically connected with the data acquisition board card 19; in the embodiment, the data acquisition board 19 is a PCL-726 data acquisition card;
the tensile force-measuring jig includes:
the stretching actuator 3 is arranged on the bracket 4, and the tail end of an output shaft of the stretching actuator 3 stretches into the salt spray corrosion box 2;
the electronic tension meter 17 is fixedly arranged on the output shaft of the stretching actuator 3 and is positioned outside the salt spray corrosion box 2;
the second clamp 18 is fixedly connected to the tail end of the output shaft of the stretching actuator 3 and is positioned in the salt spray corrosion box 2;
wherein the first clamp 16 is disposed opposite the second clamp 18; the stretching actuator 3 and the electronic tension meter 17 are electrically connected with the data acquisition board card 19; the torsion actuator 1 and the stretching actuator 3 are respectively arranged at the top and the bottom of the bracket 4 and are respectively used for applying load to the top and the bottom of the piece to be tested; the first clamp 16 and the second clamp 18, and the type and model may be set according to a specific use environment, and are not particularly limited in this embodiment; the clamping device is used for clamping two ends of the piece to be tested;
so set up, carry out the centre gripping through the top and the bottom of first anchor clamps 16 and second anchor clamps 18 to the piece that awaits measuring, apply torsion load through torsion actuator 1, apply tensile and compressive load through tensile actuator 3, and then realize exerting tensile, compression, torsion or combination load to the piece that awaits measuring, measure test data and transmit to data acquisition board 19 through electronic torsion meter 15 and electronic tension meter 17, transmit to the computer through data acquisition board 19 and show, the test data is mastered to the tester of being convenient for, and regulate and control test process.
Further preferably, the first environmental monitoring assembly comprises a first temperature sensor 9 and a first liquid level sensor 33; the first temperature sensor 9 and the first liquid level sensor 33 are both installed in the salt spray corrosion box 2 and are both electrically connected with the salt spray generation controller 27; the salt fog generation controller 27 is a singlechip;
the second environmental monitoring assembly includes a second temperature sensor (not shown) and a second liquid level sensor 34; the second temperature sensor and the second liquid level sensor 34 are both installed in the autoclave 24 and are both electrically connected with the salt mist generation controller 27;
the first liquid level sensor 33 and the second liquid level sensor 34 are fixedly arranged in the salt spray corrosion box 2 and the pressure kettle 24 respectively through bolts and are used for monitoring the liquid level in the salt spray corrosion box;
in this embodiment, the first temperature sensor 9 and the second temperature sensor are needle type temperature detectors, and the probe ends of the first temperature sensor and the second temperature sensor extend into the salt spray corrosion box 2 and the pressure kettle 24 respectively and are used for detecting temperature data in the salt spray corrosion box and the pressure kettle.
In a further optimization scheme, a defogging hole 8 is formed in the salt spray corrosion box 2; the brine tank 12 is provided with a water drawing hole 14, and the pipeline is communicated with the inner cavity of the brine tank 12 through the water drawing hole 14.
Further optimizing scheme, the side wall of the salt spray corrosion box 2 is provided with a first window 29; a second window 30 is arranged on the top wall of the brine tank 12; the first window 29 and the second window 30 are respectively adhered to the salt spray corrosion tank 2 and the salt water tank 12 through strong magnets; the materials of the first window 29 and the second window 30 can be set according to specific use environments, in this embodiment, the first window 29 and the second window 30 are made of organic glass, so that test personnel can observe the conditions in the salt spray corrosion box 2 and the salt water box 12 conveniently, and the use convenience is improved.
When the salt spray corrosion composite tension-torsion test equipment is used, the method comprises the following steps of:
1. injecting saline water into the saline water tank 12 and the bottom of the inner cavity of the salt spray corrosion tank 2, and injecting distilled water into the pressurizing and gas-conveying mechanism;
2. adjusting the injection pressure and temperature of the pressurized gas transmission mechanism and adjusting the temperature of the salt spray corrosion box 2; the injection pressure of the pressurized gas transmission mechanism is regulated through the pressure regulating valve 26, the temperature in the pressurized gas transmission mechanism is regulated through the second heating rod, and the temperature in the salt spray corrosion box 2 is regulated through the first heating rod 10;
3. the method comprises the steps of installing a piece to be tested between a torsion force measuring clamp and a stretching force measuring clamp;
4. setting loading forms and load sizes of the torsion force measuring clamp and the stretching force measuring clamp;
5. the load is applied to the to-be-tested piece, recorded data is transmitted to the control system, and the data are displayed through the computer 20, so that test personnel can grasp the test data conveniently.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, 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 thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims (9)

1. Salt spray corrosion composite tension torsion test equipment is characterized by comprising:
the support (4) is provided with a torsion force measuring clamp, a stretching force measuring clamp and a control system;
a salt spray corrosion box (2), wherein the salt spray corrosion box (2) is arranged on the bracket (4); the output end of the torsion force measuring clamp and the output end of the stretching force measuring clamp are arranged oppositely and extend into the salt spray corrosion box (2); a first heating rod (10) and a salt spray nozzle (6) are arranged in the salt spray corrosion box (2);
the pressurized gas transmission mechanism is arranged on the control system and is used for outputting high-pressure water vapor;
a brine tank (12), the brine tank (12) being mounted on the salt spray corrosion tank (2);
wherein, the salt spray nozzle (6) is respectively communicated with the pressurizing gas transmission mechanism and the salt water tank (12) through pipelines; the torsion force measuring clamp and the stretching force measuring clamp are electrically connected with the control system.
2. The salt spray corrosion composite tension-torsion test device according to claim 1, wherein: the control system includes:
a control cabinet (28), wherein the control cabinet (28) is arranged on the bracket (4);
the partition board is fixedly connected in the control cabinet (28), and divides the inner cavity of the control cabinet (28) into an upper cabinet body and a lower cabinet body;
the control assembly is arranged in the upper cabinet body;
the pressurizing and air conveying mechanism is installed in the lower cabinet body, and the torsion force measuring clamp and the stretching force measuring clamp are electrically connected with the control assembly.
3. The salt spray corrosion composite tension-torsion test device according to claim 2, wherein: a first environment monitoring component is arranged in the salt spray corrosion box (2); the pressurized gas delivery mechanism comprises:
a pressure kettle (24), wherein the pressure kettle (24) is arranged in the lower cabinet body; the pressure kettle (24) is communicated with the salt spray nozzle (6) through the pipeline; an air pump (23), an air pressure gauge (25) and a pressure regulating valve (26) are arranged on the pipeline;
a second heating rod mounted within the autoclave (24);
a salt mist generation controller (27), wherein the salt mist generation controller (27) is arranged in the lower cabinet body;
a second environmental monitoring assembly mounted within the autoclave (24);
the first heating rod (10), the second heating rod, the air pump (23), the air pressure meter (25), the pressure regulating valve (26), the second environment monitoring assembly and the first environment monitoring assembly are electrically connected with the salt fog generation controller (27).
4. The salt spray corrosion composite tension-torsion test device according to claim 2, wherein: the control assembly includes:
the data acquisition board card (19), the data acquisition board card (19) is installed in the upper cabinet body;
a computer (20), the computer (20) being mounted in the upper cabinet;
the torsion force measuring clamp, the stretching force measuring clamp and the computer (20) are electrically connected with the data acquisition board card (19).
5. The salt spray corrosion composite tension-torsion test device according to claim 4, wherein: the torsion force clamp includes:
the torsion actuator (1) is arranged on the bracket (4), and the tail end of an output shaft of the torsion actuator (1) extends into the salt spray corrosion box (2);
the electronic torsion meter (15) is fixedly arranged on the output shaft of the torsion actuator (1) and is positioned outside the salt spray corrosion box (2);
the first clamp (16) is fixedly connected to the tail end of the output shaft of the torsion actuator (1) and is positioned in the salt spray corrosion box (2);
wherein the first clamp (16) is arranged opposite to the output end of the stretching force measuring clamp; the torsion actuator (1) and the electronic torsion meter (15) are electrically connected with the data acquisition board card (19).
6. The salt spray corrosion composite tension-torsion test device according to claim 5, wherein: the tensile force-measuring clamp includes:
the stretching actuator (3) is arranged on the bracket (4), and the tail end of an output shaft of the stretching actuator (3) stretches into the salt spray corrosion box (2);
the electronic tension meter (17) is fixedly arranged on the output shaft of the stretching actuator (3) and is positioned outside the salt spray corrosion box (2);
the second clamp (18) is fixedly connected to the tail end of the output shaft of the stretching actuator (3) and is positioned in the salt spray corrosion box (2);
wherein the first clamp (16) is arranged opposite to the second clamp (18); the stretching actuator (3) and the electronic tension meter (17) are electrically connected with the data acquisition board card (19).
7. The salt spray corrosion composite tension-torsion test device according to claim 3, wherein: the first environment monitoring assembly comprises a first temperature sensor (9) and a first liquid level sensor (33); the first temperature sensor (9) and the first liquid level sensor (33) are both arranged in the salt spray corrosion box (2) and are both electrically connected with the salt spray generation controller (27);
the second environmental monitoring assembly includes a second temperature sensor and a second liquid level sensor (34); the second temperature sensor and the second liquid level sensor (34) are both installed in the pressure kettle (24) and are both electrically connected with the salt mist generation controller (27).
8. The salt spray corrosion composite tension-torsion test device according to claim 1, wherein: a defogging hole (8) is formed in the salt fog corrosion box (2); the brine tank (12) is provided with a water drawing hole (14), and the pipeline is communicated with the inner cavity of the brine tank (12) through the water drawing hole (14).
9. The salt spray corrosion composite tension-torsion test device according to claim 1, wherein: a first window (29) is arranged on the side wall of the salt spray corrosion box (2); a second window (30) is arranged on the top wall of the brine tank (12).
CN202320448982.5U 2023-03-10 2023-03-10 Salt spray corrosion composite tension-torsion test equipment Active CN219369441U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320448982.5U CN219369441U (en) 2023-03-10 2023-03-10 Salt spray corrosion composite tension-torsion test equipment

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Application Number Priority Date Filing Date Title
CN202320448982.5U CN219369441U (en) 2023-03-10 2023-03-10 Salt spray corrosion composite tension-torsion test equipment

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Publication Number Publication Date
CN219369441U true CN219369441U (en) 2023-07-18

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