Testing device for testing corrosion resistance strength of metal

Abstract

The utility model discloses a testing device for testing the corrosion-resistant strength of metal, and relates to the technical field of testing the corrosion-resistant strength of the metal. Comprising a test bench and a test barrel, the test barrel is circumferentially and uniformly arranged at the upper end of the test bench, the test barrel comprises a barrel body and a barrel cover, the barrel cover is arranged at the upper end of the barrel body, a test cavity is jointly formed between the barrel body and the barrel cover, and a wedging seat is arranged at the lower end of the barrel body. According to the utility model, the corrosion-resistant strength test is carried out on the metal workpiece through the test barrel, the barrel body is filled with corrosive test liquid, the metal test workpiece is placed through the placing platform, the corrosion-resistant strength test is carried out on the metal test workpiece, and the placing platform is made of a filter screen, so that the corrosive liquid can drip off; the device for testing the corrosive liquid on the upper end of the placing platform has the characteristics of strong practicability and high testing efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal corrosion resistance strength test technical field, concretely is a kind of test device for metal corrosion resistance strength test. BACKGROUND

[0002] There are many kinds of stainless steel materials, and there are SUS200, SUS300, SUS400 and other series in a broad sense, each series contains different grades, such as SUS201, SUS202, SUS301, SUS304, SUS316, etc., and their differences mainly lie in the rust-proof performance, i.e. corrosion resistance. The main method for identifying various stainless steels is to test their approximate material types. Metal parts are used in various mechanical equipment, and in some special working conditions, the equipment needs to work in harsh environments. When metal parts work in acid or other corrosive liquids, the metal parts will be corroded. In order to meet the working requirements, the metal material needs to be tested for acid resistance. It is necessary to prepare the pre-work for making qualified equipment to study the corrosion resistance of metal parts in acid or other corrosive liquids and the strength after corrosion. The existing test needs to test the metal corrosion resistance one by one, and the test efficiency is low. Therefore, it is necessary to design a test device for metal corrosion resistance strength test with high practicability and test efficiency. SUMMARY

[0003] The utility model discloses a kind of test devices for metal corrosion resistance strength test, to solve the problems raised in the above background.

[0004] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of test device for metal corrosion resistance strength test, including test table and test barrel, the test barrel is uniformly arranged on the test table upper end, the test barrel includes barrel body and barrel cover, the barrel cover is arranged on the barrel body upper end, the barrel body and the barrel cover jointly form test cavity between the barrel cover, the barrel body lower end is equipped with fitting seat, the test table upper end is uniformly distributed with fitting groove, the fitting seat and the fitting groove one-to-one, the barrel cover is set on the test table by lifting assembly, the barrel cover lower end is equipped with test assembly, the barrel body upper end is equipped with sealing groove, the barrel cover is movably installed in the sealing groove.

[0005] According to the above technical scheme, the lifting assembly includes hydraulic cylinder and lifting plate and connecting rod, the hydraulic cylinder is fixedly installed on the test table upper end center position, the hydraulic cylinder telescopic end is fixedly installed with the lifting plate, the barrel cover is uniformly arranged outside the lifting plate, and the lifting plate and the barrel cover are fixedly connected through the connecting rod.

[0006] According to the technical scheme, the test assembly comprises guide rods, a fixed plate, a cylinder, a movable plate, a pressure sensor and a placing platform, the guide rods are symmetrically arranged at lower ends of the bucket covers, the fixed plate is fixedly installed at upper ends of the guide rods, the cylinder is fixedly installed at a lower end of the fixed plate, the movable plate is fixedly installed at an extension end of the cylinder, the movable plate is movably installed on the guide rods, the pressure sensor is fixedly installed at a lower end of the movable plate, and the placing platform is fixedly installed at lower ends of the guide rods.

[0007] According to the technical scheme, an air suction pump is fixedly installed at an upper end of the bucket cover, one end of the air suction pump is provided with a connecting pipe, and one end of the connecting pipe extends into the test cavity.

[0008] According to the technical scheme, the placing platform is made of a filter screen and is provided with a placing groove at an upper end.

[0009] According to the technical scheme, an annular sealing gasket is fixedly installed in the sealing groove.

[0010] Compared with the prior art, the utility model has the advantages that: the utility model carries out corrosion resistance strength test on metal workpieces through the test bucket, the bucket body is filled with corrosive test liquid, the metal test workpiece is placed on the placing platform, and corrosion resistance strength test is carried out on the metal test workpiece, the placing platform is made of a filter screen, corrosive liquid can be dropped, and corrosive liquid is prevented from accumulating at the upper end of the placing platform, the metal test workpiece can be placed in the placing groove, pressure test is carried out on the metal test workpiece through the pressure sensor after test, corrosion resistance strength test of the metal is facilitated, the cylinder and the pressure sensor can be selected according to requirements, and the cylinder and the pressure sensor are common technical means in the technical field, and will not be described in detail, different corrosive test liquids can be filled in different bucket bodies, the same metal workpiece can be tested, or the same corrosive test liquid can be filled in different bucket bodies, and different metal workpieces can be tested, the test results have good comparability, the immersion time of the metal workpiece can be controlled through the lifting assembly, the immersion time of the metal workpiece is ensured to be the same, the accuracy of the test result is improved, the air suction pump is externally connected with a unified collection and purification device, harmful gas generated in the test process can be transported to the external collection and purification device through the air suction pump and the connecting pipe, and the harmful gas is uniformly collected and purified, and the harmful gas is prevented from being directly dispersed into the air. BRIEF DESCRIPTION OF DRAWINGS

[0011] The accompanying drawings are included to provide a further understanding of the utility model, constitute a part of the specification and are used to explain the utility model together with embodiments of the utility model and do not constitute a limitation on the utility model. In the drawings:

[0012] Figure 1is the first three-dimensional schematic view of the utility model;

[0013] Figure 2 is the second three-dimensional schematic view of the utility model;

[0014] Figure 3 is the main view schematic view of the utility model;

[0015] Figure 4 is the three-dimensional schematic view of the utility model placing platform;

[0016] In the figure: 1-test table, 2-test barrel, 201-barrel body, 202-barrel cover, 3-test cavity, 4-fit seat, 5-fit groove, 6-lifting assembly, 601-hydraulic cylinder, 602-lifting plate, 603-connecting rod, 7-test assembly, 701-guide rod, 702-fixed plate, 703-cylinder, 704-moving plate, 705-pressure sensor, 706-placing platform, 8-sealing groove, 9-pump, 10-connecting pipe, 11-placing recess, 12-ring-shaped sealing gasket. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0018] Please refer to Figures 1-4The utility model provides technical scheme: a kind of test device for metal corrosion resistance strength test, including test table 1 and test barrel 2, the test barrel 2 is uniformly arranged on the test table 1 upper end, the test barrel 2 includes bucket body 201 and bucket cover 202, the bucket cover 202 is arranged on the bucket body 201 upper end, the bucket body 201 and the bucket cover 202 jointly form test cavity 3 between, the bucket body 201 lower end is equipped with fitting seat 4, the test table 1 upper end is uniformly distributed with fitting groove 5, the fitting seat 4 and the fitting groove 5 one to one, the bucket cover 202 is set on the test table 1 by lifting assembly 6, the bucket cover 202 lower end is equipped with test assembly 7, the bucket body 201 upper end is equipped with sealing groove 8, the bucket cover 202 is movably installed in the sealing groove 8, the utility model when using, corrosion resistance strength test is carried out to metal workpiece by test barrel 2, bucket body 201 is filled with corrosive test liquid, corrosion resistance test liquid is filled in different bucket body 201 by test assembly 7 to metal workpiece and is placed and detected, the same metal workpiece can be tested in different bucket body 201, or the same corrosive test liquid can be filled in different bucket body 201, and different metal workpieces are tested, have good comparability, lifting assembly 6 can control the soaking time of metal workpiece simultaneously, guarantee its soaking time is same, improve the accuracy of test result;

[0019] Specifically, the lifting assembly 6 includes a hydraulic cylinder 601, a lifting plate 602, and a connecting rod 603. The hydraulic cylinder 601 is fixedly installed at the center of the upper end of the test table 1. The lifting plate 602 is fixedly installed at the extension end of the hydraulic cylinder 601. The bucket cover 202 is uniformly arranged outside the lifting plate 602. The lifting plate 602 and the bucket cover 202 are fixedly connected by the connecting rod 603. The arrangement of the hydraulic cylinder 601, the lifting plate 602, and the connecting rod 603 can drive the bucket cover 202 to move up and down, facilitating the corrosion resistance strength test of metal;

[0020] Specifically, the test assembly 7 comprises guide rods 701, a fixed plate 702, a gas cylinder 703, a movable plate 704, a pressure sensor 705 and a placement platform 706, the guide rods 701 are symmetrically arranged at the lower end of the bucket cover 202, the fixed plate 702 is fixedly installed at the upper end of the guide rods 701, the gas cylinder 703 is fixedly installed at the lower end of the fixed plate 702, the movable plate 704 is fixedly installed at the telescopic end of the gas cylinder 703, the movable plate 704 is movably installed on the guide rods 701, the pressure sensor 705 is fixedly installed at the lower end of the movable plate 704, and the placement platform 706 is fixedly installed at the lower end of the guide rods 701. Through the arrangement of the guide rods 701, the fixed plate 702, the gas cylinder 703, the movable plate 704, the pressure sensor 705 and the placement platform 706, the metal test workpiece is placed on the placement platform 706, and the corrosion resistance test is carried out. After the test is completed, the pressure test is carried out through the pressure sensor 705, which facilitates the metal corrosion resistance test. The gas cylinder 703 and the pressure sensor 705 can be selected according to the requirements, and the appropriate model can be selected. It is a common technical means in the technical field, and will not be described in detail here.

[0021] Specifically, the bucket cover 202 is fixedly installed with an air suction pump 9 at the upper end, one end of the air suction pump 9 is provided with a connecting pipe 10, and one end of the connecting pipe 10 extends into the test cavity 3. The air suction pump 9 is externally communicated with a unified collection and purification device. Through the arrangement of the air suction pump 9 and the connecting pipe 10, the harmful gas generated during the test can be transported to the external collection and purification device for unified collection and purification, so as to avoid direct diffusion into the air.

[0022] Specifically, the placement platform 706 is made of a filter screen and is provided with a placement groove 11 at the upper end. The placement platform 706 is made of a filter screen, which can drip corrosive liquid and prevent corrosive liquid from accumulating on the upper end of the placement platform 706. The placement groove 11 can limit the placement of the metal test workpiece.

[0023] Specifically, the sealing groove 7 is fixedly installed with an annular sealing gasket 12, which can enhance the sealing property between the barrel body 201 and the bucket cover 202, and prevent harmful gas from leaking.

[0024] Working principle: the utility model discloses in use, through the test bucket 2 to metal workpiece corrosion resistance strength test, the barrel body 201 is filled with corrosive test liquid, through the placement platform 706 to metal test workpiece is placed, and its corrosion resistance strength test is carried out, and the placement platform 706 is made of filter screen and can drop corrosive liquid, avoid the corrosive liquid accumulation on the upper end of placement platform 706, and through the setting placement recess 11 can limit the placement of metal test workpiece, after testing, through pressure sensor 705 carries out pressure test, and the metal corrosion resistance strength test is convenient, and the cylinder 703 and pressure sensor 705 can be selected according to demand, and it is the common technical means in the technical field, and here does not carry out too much repetition, and different corrosive test liquid can be filled in different barrel body 201, and the same metal workpiece is tested, or the same corrosive test liquid can be filled in different barrel body 201, and the different metal workpiece is tested, has good comparability, and through lifting assembly 6 can control the soaking time of metal workpiece, guarantees that the soaking time is same, improves the accuracy of test result, and the unified collection purification device is communicated outside the air pump 9, through the setting of air pump 9 and connecting pipe 10, can in the testing process, the harmful gas generated is transported to the collection purification device outside, and is collected and purified uniformly, avoids its direct dissemination to the air.

[0025] It should be noted that in this document, the terms such as first and second are used only to differentiate one entity or operation from another, and do not necessarily require or imply these entities or operations have any such actual relationship or order between them. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0026] Finally, it should be noted that: the above only for preferred embodiment of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A test device for testing the corrosion resistance of metals, comprising a test bench (1) and a test barrel (2), characterized in that: The test barrel (2) is evenly arranged on the upper end of the test bench (1). The test barrel (2) includes a barrel body (201) and a barrel cover (202). The barrel cover (202) is arranged on the upper end of the barrel body (201). A test cavity (3) is formed between the barrel body (201) and the barrel cover (202). A fitting seat (4) is provided at the lower end of the barrel body (201). Fitting grooves (5) are evenly distributed on the upper end of the test bench (1). The fitting seats (4) and the fitting grooves (5) correspond one to one. The barrel cover (202) is arranged on the test bench (1) through a lifting assembly (6). A test assembly (7) is provided at the lower end of the barrel cover (202). A sealing groove (8) is provided at the upper end of the barrel body (201). The barrel cover (202) is movably installed in the sealing groove (8).

2. A test device for testing metal corrosion resistance according to claim 1, characterized in that: The lifting assembly (6) includes a hydraulic cylinder (601), a lifting plate (602), and a connecting rod (603). The hydraulic cylinder (601) is fixedly mounted at the center of the upper end of the test bench (1). The lifting plate (602) is fixedly mounted on the telescopic end of the hydraulic cylinder (601). The barrel cover (202) is evenly arranged on the outside of the lifting plate (602). The lifting plate (602) and the barrel cover (202) are fixedly connected via the connecting rod (603).

3. A test device for testing metal corrosion resistance according to claim 2, characterized in that: The test assembly (7) includes a guide rod (701), a fixed plate (702), a cylinder (703), a movable plate (704), a pressure sensor (705) and a placement platform (706), wherein the guide rod (701) is symmetrically arranged at the lower end of the barrel cover (202), the fixed plate (702) is fixedly installed on the upper end of the guide rod (701), the cylinder (703) is fixedly installed on the lower end of the fixed plate (702), the movable plate (704) is fixedly installed on the telescopic end of the cylinder (703), the movable plate (704) is movably installed on the guide rod (701), the pressure sensor (705) is fixedly installed on the lower end of the movable plate (704), and the lower end of the guide rod (701) is fixedly installed with the placement platform (706).

4. A test device for testing metal corrosion resistance according to claim 3, characterized in that: An air pump (9) is fixedly mounted on the upper end of the barrel cover (202), and a connecting pipe (10) is provided at one end of the air pump (9), and one end of the connecting pipe (10) extends into the test cavity (3).

5. A test device for testing metal corrosion resistance according to claim 4, characterized in that: The placement platform (706) is made of a filter screen and has a placement groove (11) at the upper end.

6. A test device for testing metal corrosion resistance according to claim 5, characterized in that: An annular sealing gasket (12) is fixedly installed in the sealing groove (7).

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