A corrosion monitor for reinforced concrete structures

Abstract

This application discloses a corrosion monitor for reinforced concrete structures, belonging to the field of reinforced concrete corrosion detection technology. It mainly includes a main unit and two detection electrodes connected to the main unit via cables, with a mounting frame between the two detection electrodes. The mounting frame is equipped with a clamping component for holding the two detection electrodes, and an adjusting component for adjusting the distance between the two clamping components. The clamping component is slidably mounted on the mounting frame, and the adjusting component is connected to the clamping component. This reinforced concrete corrosion monitor, by setting up the mounting frame, clamping component, and adjusting component, allows the distance between the two detection electrodes to be flexibly adjusted as needed. After detection, the two detection electrodes can be brought closer together using the adjusting component, reducing the overall size and making it easier to put into a toolbox or carry. This solves the problem of traditional reinforced concrete corrosion monitors having large space requirements and being inconvenient to store due to the spacing adjustment mechanism.

Description

Technical Field

[0001] This application relates to the field of steel reinforcement corrosion detection technology, specifically a steel reinforcement corrosion monitoring instrument. Background Technology

[0002] During long-term use, reinforced concrete structures are prone to internal steel reinforcement corrosion due to environmental factors (such as humidity, chloride ion corrosion, and carbonation), which affects the structure's safety and durability. Therefore, regular monitoring of steel reinforcement corrosion is of great importance. Existing steel reinforcement corrosion monitoring instruments typically use two detection electrodes to contact the steel reinforcement and collect electrochemical signals to determine the degree of corrosion.

[0003] For example, the patent with announcement number CN222599472U discloses a steel bar corrosion instrument, which facilitates the adjustment of the distance between two detection electrodes and is convenient for workers to use. It includes a corrosion instrument main unit, detection electrodes and a handle. Each detection electrode is provided with a cable, which is connected to the corrosion instrument main unit. The feature is that the handle has sliding grooves on both sides and a lead screw inside the handle. The lead screw is a bidirectional lead screw with opposite threads on both sides.

[0004] However, when using the aforementioned rebar corrosion tester, the spacing between the two detection electrodes is adjusted via the length of the lead screw. Therefore, the handle width must be at least greater than the maximum detection spacing. When a wider rebar spacing needs to be detected, the handle itself becomes very wide. Moreover, when a wider spacing is not needed (such as when adjusted to the minimum spacing), the excess length at both ends of the lead screw still exists, which makes the entire tool take up a lot of space when not in use and inconvenient to store.

[0005] Therefore, it is necessary to provide a corrosion monitoring instrument for reinforced concrete structures to solve the above problems.

[0006] It should be noted that the information disclosed in this background section is only for understanding the background technology of this application concept, and therefore may include information that does not constitute prior art. Summary of the Invention

[0007] Based on the aforementioned problems in the existing technology, the problem to be solved by this application is to provide a corrosion monitoring instrument for reinforced concrete structures, which solves the problem that the entire tool takes up a lot of space and is inconvenient to store when not in use.

[0008] The technical solution adopted by this application to solve its technical problem is: a corrosion monitoring instrument for reinforced concrete structures, including a corrosion monitoring host and two detection electrodes connected to the corrosion monitoring host via cables, with an installation frame provided between the two detection electrodes; The mounting frame is provided with a clamping assembly for clamping two detection electrodes, and an adjusting assembly for adjusting the distance between the two clamping assemblies. The clamping assembly is slidably mounted on the mounting frame, and the adjusting assembly is connected to the clamping assembly, driving the clamping assemblies to move closer or further apart.

[0009] Furthermore, the clamping assembly includes a first mounting plate and a second mounting plate slidably mounted on both sides of the mounting frame, and a first clamp and a second clamp respectively mounted on the side of the first mounting plate and the second mounting plate that is far away from each other. The first clamp and the second clamp are respectively detachably clamped and fixed to the corresponding detection electrodes.

[0010] Furthermore, the adjustment assembly includes a connecting shaft rotatably mounted in the middle of the mounting frame, an adjustment gear mounted in the middle of the connecting shaft, and a first rack and a second rack respectively mounted on the first mounting plate and the second mounting plate; The first and second racks are both slidably mounted inside the mounting frame and are respectively located on opposite sides of the adjusting gear, and are both meshed with the adjusting gear; Rotating the connecting shaft can drive the adjusting gear to move the first rack and the second rack relative to each other, thereby causing the first clamp and the second clamp to move closer or further apart.

[0011] Furthermore, a connecting plate is rotatably connected to the upper end of the connecting shaft, and the connecting plate is installed on the upper end of the mounting frame; The lower end of the connecting shaft passes through the mounting frame and is fixedly mounted with a knob for manual operation.

[0012] Furthermore, the lower end of the mounting frame is provided with a locking assembly for locking the connecting shaft. The locking assembly includes a mounting base installed at the lower end of the mounting frame and a rotating plate rotatably installed at the lower end of the mounting base. A locking block is installed at one end of the rotating plate, and a limiting gear is installed on the lower outer wall of the connecting shaft. The locking block engages with the teeth of the limiting gear to restrict the rotation of the connecting shaft.

[0013] Furthermore, the locking assembly also includes a return spring installed at the lower end of the mounting frame, the lower end of which is fixedly connected to the other end of the rotating plate; The reset spring is used to provide elastic force to reset the rotating plate and maintain the engagement state between the locking block and the limiting gear.

[0014] Furthermore, a first guide rod is installed on one side of the first mounting plate, and the first guide rod is slidably connected to the mounting frame; A second guide rod is installed on one side of the second mounting plate, and the second guide rod is slidably connected to the mounting frame.

[0015] Furthermore, a handle is installed at the upper end of the mounting frame.

[0016] The beneficial effects of this application are as follows: The reinforced concrete structure corrosion monitoring instrument provided by this application, by setting up an installation frame, clamping components and adjustment components, allows the distance between two detection electrodes to be flexibly adjusted as needed. After the detection is completed, the two detection electrodes can be brought closer together by the adjustment components, reducing the overall volume and making it easy to put into a toolbox or carry. This solves the problem that traditional steel corrosion instruments occupy a lot of space and are inconvenient to store due to the spacing adjustment mechanism.

[0017] In addition to the purposes, features, and advantages described above, this application has other purposes, features, and advantages. A further detailed description of this application will be provided below with reference to the figures. Attached Figure Description

[0018] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments and descriptions of this application are used to explain this application and do not constitute an undue limitation of this application. In the drawings: Figure 1 This is an overall schematic diagram of a corrosion monitoring instrument for reinforced concrete structures according to this application; Figure 2 This is a schematic diagram of the overall structure corrosion monitoring instrument for reinforced concrete structures described in this application. Figure 2 ; Figure 3 This is an exploded schematic diagram of the mounting frame of a reinforced concrete structure corrosion monitoring instrument according to this application; Figure 4 This is a schematic diagram of the interior of the mounting frame of a corrosion monitoring instrument for reinforced concrete structures according to this application; Figure 5 This is a schematic diagram of the overall mounting frame of a reinforced concrete structure corrosion monitoring instrument according to this application; The following are the labeling elements in the figure: 1. Corrosion tester main unit; 2. Cable; 3. Detection electrode; 31. Slot; 4. Mounting frame; 5. Clamping assembly; 51. First mounting plate; 52. First clamp; 53. First guide rod; 54. Second mounting plate; 55. Second clamp; 56. Second guide rod; 6. Adjustment assembly; 61. Connecting shaft; 62. Adjusting gear; 63. First rack; 64. Second rack; 65. Connecting plate; 66. Knob; 7. Locking assembly; 71. Mounting base; 72. Rotating plate; 73. Locking block; 74. Limit gear; 75. Return spring; 8. Handle. Detailed Implementation

[0019] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0020] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0021] like Figure 1-2 As shown, this application provides a corrosion monitoring instrument for reinforced concrete structures, including a corrosion monitoring host 1. The corrosion monitoring host 1 serves as the core control and data processing unit of the entire monitoring instrument, capable of receiving detection signals and performing analysis and calculations, and finally outputting monitoring data such as the degree of corrosion and corrosion rate of the reinforced concrete structure, providing a basis for structural safety assessment.

[0022] A cable 2 is connected to one side of the corrosion instrument main unit 1. The cable 2 is used to transmit the electrical signals collected by the detection electrodes 3, ensuring stable signal transmission and avoiding data transmission interruption or interference. One end of the cable 2 is connected to two detection electrodes 3. The two detection electrodes 3 are the core detection components, used to penetrate deep into the interior of the reinforced concrete structure or adhere to the surface of the structure to collect electrochemical signals related to steel corrosion. The upper end of the two detection electrodes 3 is provided with a slot 31, which is used to cooperate with the clamping component 5 to achieve initial positioning, prevent the detection electrodes 3 from slipping during the clamping process, and improve clamping stability.

[0023] like Figure 3-4 As shown, a mounting frame 4 is provided between the two detection electrodes 3. Clamping components 5 for holding the two detection electrodes 3 are provided on both sides of the mounting frame 4. Each clamping component 5 includes a first mounting plate 51 and a second mounting plate 54 respectively mounted on both sides of the mounting frame 4. The first mounting plate 51 and the second mounting plate 54 are symmetrically distributed, providing rigid support for the clamping components on both sides. A first clamp 52 and a second clamp 55 are fixedly mounted on the side of the first mounting plate 51 and the second mounting plate 54 that are furthest apart. The first clamp 52 and the second clamp 55 respectively clamp the detection electrodes 3 on both sides. The inner wall of the clamp is in contact with the outer wall of the detection electrode 3, and the clamping force is used to fix the detection electrode 3, preventing axial or radial displacement.

[0024] A first guide rod 53 is fixedly installed on one side of the first mounting plate 51. The first guide rod 53 is slidably connected to the mounting frame 4, providing linear guidance for the lateral movement of the first mounting plate 51, limiting the movement trajectory of the first mounting plate 51, and preventing deflection during movement. A second guide rod 56 is fixedly installed on one side of the second mounting plate 54. The second guide rod 56 is slidably connected to the mounting frame 4, providing stable guidance for the lateral movement of the second mounting plate 54, ensuring that the first clamp 52 and the second clamp 55 always move smoothly in the horizontal direction.

[0025] like Figure 3-4 As shown, the mounting frame 4 is equipped with an adjustment component 6 for adjusting the distance between the first clamp 52 and the second clamp 55. The core working principle of the adjustment component 6 is to achieve synchronous reverse movement of the first clamp 52 and the second clamp 55 through gear and rack meshing transmission, so as to accurately adjust the distance between the two detection electrodes 3, adapt to different detection scenarios and different distance requirements for reinforced concrete corrosion detection, and at the same time reduce the distance for easy storage and carrying, reducing the space occupied.

[0026] The adjusting assembly 6 includes a connecting shaft 61 rotatably mounted in the middle of the mounting frame 4. The connecting shaft 61 serves as the core transmission shaft, rotating stably around its own axis to provide power transmission for the gear rotation. An adjusting gear 62 is fixedly mounted in the middle of the connecting shaft 61, rotating synchronously with the connecting shaft 61 and serving as the core transmission component. A first rack 63 is fixedly mounted on one side of the first mounting plate 51, slidingly mounted inside the mounting frame 4 and meshing with the teeth on one side of the adjusting gear 62. A second rack 64 is fixedly mounted on one side of the second mounting plate 54, slidingly mounted inside the mounting frame 4 and meshing with the teeth on the other side of the adjusting gear 62.

[0027] When the adjusting gear 62 rotates, the first rack 63 and the second rack 64 meshing on both sides will move in opposite directions synchronously, thereby driving the first mounting plate 51 and the second mounting plate 54 to move in opposite directions synchronously, so that the first clamp 52 and the second clamp 55 move closer or further apart. The upper end of the mounting frame 4 is fixedly mounted with a connecting plate 65 by bolts. The upper end of the connecting shaft 61 is rotatably connected to the connecting plate 65. The connecting plate 65 provides rotational support for the upper end of the connecting shaft 61, improving the stability of the connecting shaft 61 when rotating and preventing shaking.

[0028] The lower end of the connecting shaft 61 passes through the mounting frame 4 and is fixedly mounted with a knob 66. The knob 66 ​​provides a force point for the operator to manually rotate the connecting shaft 61, thereby driving the adjusting gear 62 to rotate and causing the first clamp 52 and the second clamp 55 to move closer or further apart. The distance between the two detection electrodes 3 can be adjusted according to different detection needs. After the detection is completed, the two clamps can be brought together to reduce the overall volume and facilitate storage.

[0029] like Figure 5 As shown, the lower end of the mounting frame 4 is provided with a locking component 7 for locking the connecting shaft 61. The core working principle of the locking component 7 is to limit the rotational freedom of the connecting shaft 61 by mechanically engaging and limiting it, so as to prevent the adjusted electrode spacing from changing under the action of external force, vibration, etc., and to ensure that the electrode spacing is constant during the detection process, thus ensuring that the detection data is accurate and reliable.

[0030] The locking assembly 7 includes a mounting base 71 fixedly installed at the lower end of the mounting frame 4. The mounting base 71 provides rotational support for the rotating plate 72, ensuring that the rotating plate 72 can rotate smoothly around a fixed fulcrum. The rotating plate 72 is rotatably mounted on the lower end of the mounting base 71. The rotating plate 72 can deflect slightly around the mounting base 71 to achieve locking and unlocking actions. A locking block 73 is fixedly installed on one side of the lower end of the rotating plate 72. A limiting gear 74 is fixedly installed on the outer wall of the lower end of the connecting shaft 61. The limiting gear 74 rotates synchronously with the connecting shaft 61. The locking block 73 engages with the teeth of the limiting gear 74, and the engagement of the teeth with the locking block 73 restricts the rotation of the limiting gear 74 and the connecting shaft 61.

[0031] A reset spring 75 is fixedly installed at the lower end of the mounting frame 4. The lower end of the reset spring 75 is fixedly connected to the other side of the rotating plate 72 away from the locking block 73. The reset spring 75 is always in a stretched and stored state, providing continuous elastic tension to the rotating plate 72, so that the locking block 73 always tends to be locked on the teeth of the limit gear 74.

[0032] When the electrode spacing needs to be adjusted, press the side of the rotating plate 72 equipped with the return spring 75 to rotate the entire rotating plate 72 away from the limit gear 74. This causes the locking block 73 to move away from the teeth of the limit gear 74, releasing the rotation restriction on the connecting shaft 61. At this time, the spacing can be adjusted by rotating the connecting shaft 61 using the knob 66. After the spacing adjustment is completed, release the rotating plate 72. The rotating plate 72 returns to its original position under the elastic tension of the return spring 75, causing the locking block 73 to re-engage with the teeth of the limit gear 74, locking the connecting shaft 61 again. This prevents the first clamp 52 and the second clamp 55 from shifting under external force, ensuring that the electrode spacing remains fixed. A handle 8 is fixedly installed on the upper end of the mounting frame 4. The handle 8 facilitates the operator's grip and positioning during the testing process, improving operational convenience.

[0033] Working principle: When using this monitor, first press the rotating plate 72 to release the locking of the connecting shaft 61, turn the knob 66 ​​to drive the adjusting gear 62 to rotate, and drive the first clamp 52 and the second clamp 55 to move through the gear and rack transmission, so as to adjust the distance between the two detection electrodes 3 to the required detection distance. Then release the rotating plate 72, and the locking block 73 will engage with the teeth of the limiting gear 74 under the action of the reset spring 75 to complete the distance locking.

[0034] Two detection electrodes 3 are inserted into the corresponding clamps through the slots 31. The clamps hold and fix the detection electrodes 3. Then, the detection electrodes 3 are placed on the part of the reinforced concrete structure to be tested. The rust instrument host 1 is turned on, and the rust signal is collected through the detection electrodes 3. The data is transmitted to the host for data analysis through the cable 2 to obtain the rust monitoring results.

[0035] After the test is completed, unlock the connecting shaft 61 again, turn the knob 66 ​​to bring the first clamp 52 and the second clamp 55 closer together, reduce the size of the device, and make it easier to store and carry. The spacing can be flexibly adjusted by adjusting component 6 throughout the process, and locking component 7 ensures the spacing is stable, meeting the needs of corrosion detection of various reinforced concrete structures.

[0036] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A corrosion monitoring instrument for reinforced concrete structures, comprising a main unit (1) and two detection electrodes (3) connected to the main unit (1) via cables (2), characterized in that: A mounting frame (4) is provided between the two detection electrodes (3); The mounting frame (4) is provided with a clamping assembly (5) for clamping two detection electrodes (3) and an adjusting assembly (6) for adjusting the distance between the two clamping assemblies (5). The clamping assembly (5) is slidably mounted on the mounting frame (4), and the adjusting assembly (6) is connected to the clamping assembly (5) to drive the clamping assemblies (5) to move closer or further apart from each other.

2. The corrosion monitoring instrument for reinforced concrete structures according to claim 1, characterized in that: The clamping assembly (5) includes a first mounting plate (51) and a second mounting plate (54) slidably mounted on both sides of the mounting frame (4), and a first clamp (52) and a second clamp (55) respectively mounted on the side of the first mounting plate (51) and the second mounting plate (54) away from each other. The first clamp (52) and the second clamp (55) are respectively detachably clamped and fixed to the corresponding detection electrode (3).

3. The corrosion monitoring instrument for reinforced concrete structures according to claim 2, characterized in that: The adjustment assembly (6) includes a connecting shaft (61) rotatably mounted in the middle of the mounting frame (4), an adjustment gear (62) mounted in the middle of the connecting shaft (61), and a first rack (63) and a second rack (64) respectively mounted on the first mounting plate (51) and the second mounting plate (54). The first rack (63) and the second rack (64) are both slidably installed inside the mounting frame (4) and respectively set on opposite sides of the adjusting gear (62), and are both meshed with the adjusting gear (62); Rotating the connecting shaft (61) can drive the adjusting gear (62) to synchronously drive the first rack (63) and the second rack (64) to move relative to each other, thereby causing the first clamp (52) and the second clamp (55) to move closer or further apart.

4. The corrosion monitoring instrument for reinforced concrete structures according to claim 3, characterized in that: The upper end of the connecting shaft (61) is rotatably connected to a connecting plate (65), and the connecting plate (65) is installed on the upper end of the mounting frame (4); The lower end of the connecting shaft (61) passes through the mounting frame (4) and is fixedly mounted with a knob (66) for manual operation.

5. A corrosion monitoring instrument for reinforced concrete structures according to claim 3, characterized in that: The lower end of the mounting frame (4) is provided with a locking component (7) for locking the connecting shaft (61). The locking component (7) includes a mounting base (71) installed at the lower end of the mounting frame (4) and a rotating plate (72) rotatably installed at the lower end of the mounting base (71). A locking block (73) is installed at one end of the rotating plate (72), and a limiting gear (74) is installed on the lower outer wall of the connecting shaft (61). The locking block (73) and the limiting gear (74) are engaged to restrict the rotation of the connecting shaft (61).

6. The corrosion monitoring instrument for reinforced concrete structures according to claim 5, characterized in that: The locking assembly (7) also includes a return spring (75) installed at the lower end of the mounting frame (4), the lower end of the return spring (75) being fixedly connected to the other end of the rotating plate (72); The reset spring (75) is used to provide elastic force to reset the rotating plate (72) and keep the locking block (73) engaged with the limiting gear (74).

7. A corrosion monitoring instrument for reinforced concrete structures according to claim 2, characterized in that: A first guide rod (53) is installed on one side of the first mounting plate (51), and the first guide rod (53) is slidably connected to the mounting frame (4); A second guide rod (56) is installed on one side of the second mounting plate (54), and the second guide rod (56) is slidably connected to the mounting frame (4).

8. The corrosion monitoring instrument for reinforced concrete structures according to claim 1, characterized in that: A handle (8) is installed at the upper end of the mounting frame (4).

Images