Hydrochloric acid corrosion test box for coating corrosion resistance test

Abstract

The invention discloses a hydrochloric acid corrosion test box for a coating corrosion resistance test, and relates to the technical field of test boxes, moving wheels are arranged at four corners of the bottom of a bottom plate, jacking structures are arranged on the left side and the right side of the bottom plate in a penetrating manner, and a console and a test box are arranged at the tops of the front side and the rear side of the top of the bottom plate respectively; a spraying cover is hinged to the top of the test box, four infusion tubes of the same structure are connected to the side wall of the top of the spraying cover, the lower ends of the infusion tubes are connected to the top of a liquid box, the liquid box is installed on the left side wall of the test box, a liquid adding tube is arranged at the top of the liquid box, and a spraying assembly is installed on the inner wall of one side of the spraying cover. According to the spraying device, after the spraying assembly on the spraying cover is installed, the motor is started, a power shaft of the motor drives the long shaft rod to rotate under the limiting and supporting effects of the U-shaped frame, and the limiting block connected with the long shaft rod drives the liquid storage box to rotate; the motor capable of rotating forwards and backwards drives the liquid storage box to rotate back and forth along a certain angle, so that the spray head sprays hydrochloric acid to the to-be-detected object, and the spraying efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of test chambers, in particular to a hydrochloric acid corrosion test chamber for coating corrosion resistance testing. Background Art

[0002] The hydrochloric acid corrosion test chamber is a kind of experimental equipment specially used to evaluate the corrosion resistance of materials in hydrochloric acid corrosion environment. It is widely used in scientific research, chemical industry, material science, metal smelting, aerospace, automobile manufacturing and other fields to simulate the impact of hydrochloric acid environment on various materials to predict the durability and reliability of materials in actual use, and help researchers and enterprises understand the behavior of materials in specific environments, so as to optimize product design;

[0003] For example, the prior art application number 202411131710.8 provides a corrosion test box, including a test box shell, and a salt spray nozzle and an air flow nozzle arranged inside the test box shell; a first valve body is fixedly installed in the test box shell, the first valve body is fixedly connected with a liquid infusion pipe, the liquid infusion pipe is connected with the inside of the salt spray nozzle, the first valve body is fixedly connected with a first liquid inlet pipe and a second liquid inlet pipe, the first liquid inlet pipe is used to receive salt water, and the second liquid inlet pipe is used to receive cleaning liquid; the second valve body is fixedly installed in the test box shell;

[0004] The above-mentioned prior art is known through actual usage. It is mainly through the use of the first valve body to switch the opening and closing of the first liquid inlet pipe and the second liquid inlet pipe, so as to control the salt spray nozzle to enter the cleaning state from the working state, and reduce the operation of the operator to disassemble and install the salt spray nozzle when cleaning the salt spray nozzle. In addition, the compressed air flow for diffusing the salt spray is delivered to the salt spray nozzle to replace the steel wire to dredge the salt spray nozzle; however, it is found in use that the position of the salt spray nozzle is fixed. During use, the spraying direction of the device on the supporting mesh plate in the test box cannot be changed, and the device to be tested cannot be well exposed to the hydrochloric acid, which will affect the data of the hydrochloric acid corrosion resistance test. For this reason, we improve the above-mentioned prior art according to the actual usage. Summary of the invention

[0005] The object of the present invention is to provide a hydrochloric acid corrosion test box for coating corrosion resistance test to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A hydrochloric acid corrosion test box for coating corrosion resistance test comprises a bottom plate, four corners of the bottom of the bottom plate are provided with moving wheels, and a jacking structure is provided through both left and right sides of the bottom plate;

[0008] A control console and a test box are respectively provided on the top of the front and rear sides of the bottom plate;

[0009] The test box has a spray cover hinged on the top of the test box, and four groups of infusion tubes with the same structure are connected to the top side wall of the spray cover. The lower ends of the infusion tubes are connected to the top of the liquid tank. The liquid tank is installed on the left side wall of the test box, and a liquid adding tube is arranged on the top of the liquid tank. A spray assembly is installed on the inner wall of one side of the spray cover, and the position of the spray assembly corresponds to the infusion tube;

[0010] The front end of the spray cover is connected to a support assembly, the outer end of the support assembly is equipped with an auxiliary block, and the auxiliary block is connected to the top power end of the hydraulic rod, and the bottom of the hydraulic rod is rotatably connected to the front wall of the test box through the support assembly.

[0011] Furthermore: a sealing groove is provided on the top notch of the test box, a sealing ring matching the sealing groove is provided at the bottom of the spray cover, a hinge mounting groove is provided on the test box, and a hinge structure matching the hinge mounting groove is installed at the bottom of the spray cover, and a supporting mesh plate is installed horizontally in the inner cavity of the test box.

[0012] Further: the support assembly includes a support shaft, the rear end of the support shaft is connected to a bearing sleeve, and the bearing sleeve is installed on the end surface of the support side plate.

[0013] Further: the spray assembly includes a hanging plate connected to the inner wall of the spray cover, a liquid outlet pipe connected to the infusion tube is arranged on the hanging plate, a connecting plate is installed at one end of the bottom outer wall of the hanging plate, a motor is installed on the connecting plate, a long shaft rod is connected to the power end of the motor, and a U-shaped frame is slidably sleeved on the outer wall of the long shaft rod, the U-shaped frame is installed on the outer wall of the hanging plate, and the U-shaped frame and the motor are on the same axis.

[0014] Furthermore: the liquid outlet end of the liquid outlet pipe is connected to the top of the liquid storage box, and a nozzle is arranged at the front end of the liquid storage box, a limit block is installed at the back of the liquid storage box, and the limit block is sleeved on the outer wall of the long shaft rod.

[0015] Furthermore, the U-shaped frame is composed of four groups of frames with the same structure, and the four groups of U-shaped frames are all on the same axis. The number of the limit blocks is the same in four groups, and each group of limit blocks is arranged in a U row groove of the U-shaped frame.

[0016] Furthermore: the liquid outlet pipe is a liquid outlet hose and is connected to the inner cavity of the liquid storage box. The number of the liquid outlet pipes is the same as the number of the infusion pipes. Four groups of nozzles with the same structure are evenly arranged on the front end surface of the liquid storage box.

[0017] Further: the lifting structure includes an electric telescopic rod installed on the base plate, and the power end of the electric telescopic rod passes through the base plate and is arranged downward, and a conical rubber pad is installed on the power end of the electric telescopic rod.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. In the present invention, after the spray assembly on the spray cover is installed, the motor is started, and its power shaft drives the long shaft rod to rotate under the limiting and supporting action of the U-shaped frame, and the limiting block connected to the long shaft rod drives the liquid storage box to rotate, and the liquid storage box is driven to rotate back and forth along a certain angle by the motor that can rotate forward and reverse, so that the spray head sprays hydrochloric acid on the object to be tested, thereby increasing the spray efficiency.

[0020] 2. The auxiliary block on the hydraulic rod and the side wall of the hydraulic rod are connected to the support assembly, which is convenient for opening and closing the spray cover. The hinge installation facilitates the installation and removal of the spray cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the new structure of this utility model;

[0022] Figure 2 It is a schematic diagram of the internal structure of the test box of the present invention;

[0023] Figure 3 It is a schematic diagram of the hydraulic rod structure of the present invention;

[0024] Figure 4 It is a schematic diagram of the structure of the spray cover of the present invention;

[0025] Figure 5 It is a schematic diagram of the structure of the spray assembly of the present invention.

[0026] In the figure: 1. bottom plate; 2. test box; 21. sealing groove; 22. hinge installation groove; 23. support mesh plate; 3. control console; 4. liquid tank; 5. spray cover; 6. infusion tube; 7. hydraulic rod; 8. liquid adding tube; 9. moving wheel; 10. lifting structure; 11. auxiliary block; 12. support assembly; 121. support shaft; 122. bearing sleeve; 123. support side plate; 13. spray assembly; 131. hanging plate; 132. liquid outlet pipe; 133. connecting plate; 134. nozzle; 135. motor; 136. U-shaped frame; 137. long shaft rod; 138. limit block; 139 liquid storage box. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] See also Figure 1-5The present invention provides a technical solution: a hydrochloric acid corrosion test box for coating corrosion resistance test, comprising a bottom plate 1, movable wheels 9 are arranged at the four corners of the bottom of the bottom plate 1, and a lifting structure 10 is penetrated on both sides of the left and right sides of the bottom plate 1, and the lifting structure 10 comprises an electric telescopic rod installed on the bottom plate 1, and the power end of the electric telescopic rod penetrates the bottom plate 1 and is arranged downward, and a conical rubber pad is installed on the power end of the electric telescopic rod.

[0029] See also Figure 1 It can be seen that the device has a mobile function. The device can be pushed to a suitable location in the laboratory through the moving wheels 9, and the device can be fixed by the electric cylinder telescopic rod and rubber pads on the jacking structure 10 to ensure stability.

[0030] A control console 3 and a test box 2 are respectively arranged on the top of the front and rear sides of the top of the bottom plate 1. The control console 3 is used to detect and collect data, which belongs to the existing technology and will not be described in detail.

[0031] A test box 2, a spray cover 5 is hinged on the top of the test box 2, four groups of infusion tubes 6 with the same structure are connected to the top side wall of the spray cover 5, the lower ends of the infusion tubes 6 are connected to the top of the liquid tank 4, the liquid tank 4 is installed on the left side wall of the test box 2, the liquid tank 4 is an existing structure, the liquid is pumped into the infusion tube 6 in the box body, and a liquid adding tube 8 is arranged on the top of the liquid tank 4, a spray assembly 13 is installed on the inner wall of one side of the spray cover 5, the nozzle 134 on the spray assembly 13 corresponds to the position of the supporting mesh plate 23, the hydrochloric acid spray operation is performed on the component to be tested thereon, and the position of the spray assembly 13 corresponds to the infusion tube 6.

[0032] The front end of the spray cover 5 is connected to a support assembly 12, the outer end of the support assembly 12 is installed with an auxiliary block 11, and the auxiliary block 11 is connected to the top power end of the hydraulic rod 7, and the bottom of the hydraulic rod 7 is rotatably connected to the front wall of the test box 2 through the support assembly 12, and the spray cover 5 is opened and closed by means of the power provided by the hydraulic rod 7.

[0033] Among them, preferably, a sealing groove 21 is opened on the top notch of the test box 2, a sealing ring matching the sealing groove 21 is arranged at the bottom of the spray cover 5, a hinge mounting groove 22 is opened on the test box 21, and a hinge structure matching the hinge mounting groove 22 is installed at the bottom of the spray cover 5, and a supporting mesh plate 23 is horizontally installed in the inner cavity of the test box 21.

[0034] In this embodiment, refer to Figure 1 and Figure 2The sealing ring on the spray cover 5 matches the sealing groove 21. With the help of the hinge structure 22, the hydraulic rod 7 is started upward to push up one side of the spray cover 5 to achieve the opening effect. On the contrary, the hydraulic rod 7 moves downward to close the spray cover 5 and close the test box 2.

[0035] Preferably, the support assembly 12 includes a support shaft 121 , a rear end of the support shaft 121 is connected to a bearing sleeve 122 , and the bearing sleeve 122 is mounted on an end surface of a support side plate 123 .

[0036] In this embodiment, refer to Figure 1 and Figure 3 The top and bottom of the hydraulic rod 7 are respectively connected to the support assembly 12, the auxiliary block 11 on the top of the hydraulic rod 7 is connected to the support shaft 121, and the side wall of the hydraulic rod 7 is also rotatably connected to the support shaft 121. Both sets of support shafts 121 can rotate flexibly. The upper supporting side plate 123 is connected to the side wall of the spray cover 5 to facilitate the opening and closing of the spray cover 5. The lower supporting side plate 123 is connected to the side wall of the test box 2 to provide a certain supporting force for the hydraulic rod 7.

[0037] Preferably, the spray assembly 13 includes a hanging plate 131 connected to the inner wall of the spray cover 5, and a liquid outlet pipe 132 connected to the infusion tube 6 is arranged on the hanging plate 131. The infusion tube 6 transports the hydrochloric acid liquid to the liquid outlet pipe 132, and finally sends it into the nozzle 134 for spraying operation. A connecting plate 133 is installed at one end of the bottom outer wall of the hanging plate 132, and a motor 135 is installed on the connecting plate 133. The motor 135 is wrapped with a protective cover structure resistant to hydrochloric acid corrosion. The power end of the motor 135 is connected to a long shaft rod 137, and a U-shaped frame 136 is slidably sleeved on the outer wall of the long shaft rod 137 to provide support and limiting effect to the long shaft rod 137. The U-shaped frame 136 is installed on the outer wall of the hanging plate 131, and the U-shaped frame 136 and the motor 135 are on the same axis.

[0038] When the motor 135 is working, the long shaft 137 rotates with the support and limiting function of the U-shaped frame 136.

[0039] Preferably, the liquid outlet end of the liquid outlet tube 132 is connected to the top of the liquid storage box 139, and a nozzle 134 is provided at the front end of the liquid storage box 139, a limit block 138 is installed on the back of the liquid storage box 139, and the limit block 138 is sleeved on the outer wall of the long shaft rod 137.

[0040] Preferably, the U-shaped frame 136 is composed of four groups of frames with the same structure, and the four groups of U-shaped frames 136 are all on the same axis. The number of the limit blocks 138 is the same four groups, and each group of limit blocks 138 is arranged in a U-row groove of the U-shaped frame 136.

[0041] The liquid outlet pipe 132 is a liquid outlet hose and is connected to the inner cavity of the liquid storage box 139. The number of liquid outlet pipes 132 is the same as the number of infusion tubes 6. Four groups of nozzles 134 with the same structure are evenly arranged on the front end surface of the liquid storage box 139 to increase the spray area.

[0042] In this embodiment, please refer to Figure 1 and Figure 4 and Figure 5 , the long shaft rod 137 rotates, and the limit buckle 138 mounted thereon also moves accordingly, thereby driving the liquid storage box 139 to shift its position and rotate along the long shaft rod 137 as the center of the circle, adjusting the spray angle of the nozzle 134 and increasing the spray area, so as to better perform the hydrochloric acid corrosion resistance test on the objects to be tested.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydrochloric acid corrosion test box for coating corrosion resistance test, characterized in that: include, A bottom plate (1), wherein moving wheels (9) are arranged at the four corners of the bottom of the bottom plate (1), and a lifting structure (10) is arranged through both left and right sides of the bottom plate (1); A control console (3) and a test box (2) are respectively arranged on the top of the front and rear sides of the top of the bottom plate (1); A test box (2), wherein a spray cover (5) is hingedly connected to the top of the test box (2), and four groups of infusion tubes (6) with the same structure are connected to the top side wall of the spray cover (5), and the lower ends of the infusion tubes (6) are connected to the top of a liquid box (4), and the liquid box (4) is installed on the left side wall of the test box (2), and a liquid adding tube (8) is arranged on the top of the liquid box (4), and a spray assembly (13) is installed on the inner wall of one side of the spray cover (5), and the position of the spray assembly (13) corresponds to the infusion tube (6); The front end of the spray cover (5) is connected to a support assembly (12), the outer end of the support assembly (12) is installed with an auxiliary block (11), and the auxiliary block (11) is connected to the top power end of the hydraulic rod (7), and the bottom of the hydraulic rod (7) is rotatably connected to the front wall of the test box (2) through the support assembly (12).

2. The hydrochloric acid corrosion test box for coating corrosion resistance test according to claim 1, characterized in that: The test box (2) has a sealing groove (21) on the top notch, the bottom of the spray cover (5) is provided with a sealing ring matching the sealing groove (21), the test box (21) has a hinge installation groove (22), and the bottom of the spray cover (5) is provided with a hinge structure matching the hinge installation groove (22), and a supporting mesh plate (23) is horizontally installed in the inner cavity of the test box (21).

3. The hydrochloric acid corrosion test box for coating corrosion resistance test according to claim 1, characterized in that: The support assembly (12) comprises a support shaft (121), the rear end of the support shaft (121) is connected to a bearing sleeve (122), and the bearing sleeve (122) is mounted on the end surface of a support side plate (123).

4. The hydrochloric acid corrosion test box for coating corrosion resistance test according to claim 1, characterized in that: The spray assembly (13) comprises a hanging plate (131) connected to the inner wall of the spray cover (5); a liquid outlet pipe (132) connected to the infusion pipe (6) is arranged on the hanging plate (131); a connecting plate (133) is installed at one end of the bottom outer wall of the hanging plate (132); a motor (135) is installed on the connecting plate (133); a power end of the motor (135) is connected to a long shaft rod (137); a U-shaped frame (136) is slidably sleeved on the outer wall of the long shaft rod (137); the U-shaped frame (136) is installed on the outer wall of the hanging plate (131); and the U-shaped frame (136) and the motor (135) are on the same axis.

5. The hydrochloric acid corrosion test box for coating corrosion resistance test according to claim 4, characterized in that: The liquid outlet end of the liquid outlet pipe (132) is connected to the top of the liquid storage box (139), and a nozzle (134) is arranged at the front end of the liquid storage box (139). A limit block (138) is installed at the back of the liquid storage box (139), and the limit block (138) is sleeved on the outer wall of the long shaft rod (137).

6. The hydrochloric acid corrosion test box for coating corrosion resistance test according to claim 5, characterized in that: The U-shaped frames (136) are four groups of frames with the same structure, and the four groups of U-shaped frames (136) are all located on the same axis. The number of the limit blocks (138) is the same in four groups, and each group of limit blocks (138) is arranged in a U-row groove of the U-shaped frame (136).

7. The hydrochloric acid corrosion test box for coating corrosion resistance test according to claim 4, characterized in that: The liquid outlet pipe (132) is a liquid outlet hose and is connected to the inner cavity of the liquid storage box (139). The number of the liquid outlet pipes (132) is the same as the number of the infusion tubes (6). Four groups of nozzles (134) with the same structure are evenly arranged on the front end surface of the liquid storage box (139).

8. The hydrochloric acid corrosion test box for coating corrosion resistance test according to claim 1, characterized in that: The lifting structure (10) comprises an electric telescopic rod installed on the base plate (1), and the power end of the electric telescopic rod passes through the base plate (1) and is arranged downward, and a conical rubber pad is installed on the power end of the electric telescopic rod.

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