Anchoring body corrosion test system
By combining the deformation measurement module and the temperature control module, the problems of sensor corrosion and multi-field coupling environment control were solved, realizing automated monitoring and real-time analysis of anchor corrosion test, and improving test accuracy and data acquisition efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-04-07
AI Technical Summary
Existing anchor corrosion testing technologies suffer from problems such as sensor corrosion, lack of multi-field coupling environment control, inability to achieve automated monitoring, and untimely data acquisition, resulting in inaccurate corrosion test results.
The deformation measurement module converts circumferential deformation monitoring into radial deformation monitoring. Combined with the temperature control module and the corrosion solution circulation module, it realizes automated monitoring and solution concentration adjustment, and provides a dry-wet alternating corrosion environment.
This solution addresses the problem of sensor corrosion damage, enabling automated monitoring and real-time analysis of samples in corrosive environments, thereby improving the accuracy of corrosion tests and the efficiency of data acquisition.
Smart Images
Figure CN224095639U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of anchorage body corrosion test, especially to an anchorage body corrosion test system. BACKGROUND
[0002] Prestressed anchorage structure is widely used in water conservancy, transportation and mining fields. Due to the complex and changeable application environment in anchorage engineering examples, there are more and more cases of anchorage structure failure, which cannot be ignored. In particular, the dry-wet alternating environment caused by seasonal water level fluctuation, and the multi-field coupling environment (temperature-water-stress-chemistry) formed by the temperature difference between winter and summer accelerates the corrosion process of the anchorage structure. At the same time, the rust expansion of the anchor cable causes the cracking of the mortar package, forming a vicious cycle of the corrosion process.
[0003] The existing anchorage body corrosion test technology has the following main problems: first, the sensor is directly immersed in the corrosion solution, which can easily cause corrosion of the sensor itself, thereby affecting the measurement accuracy and stability. Second, the existing technology usually lacks an effective multi-field coupling environment control system, which cannot accurately adjust the temperature, dry-wet cycle, and concentration of corrosive ions, resulting in poor correlation between the corrosion test results and multiple factors. In addition, the existing technology cannot realize the automatic monitoring of the multi-factor accelerated corrosion process, which affects the real-time analysis of the corrosion process. UTILITY MODEL CONTENT
[0004] In view of the above problems, the utility model aims to provide an anchorage body corrosion test system, which converts the circumferential deformation monitoring into radial deformation monitoring through the deformation measurement module, solves the corrosion damage of the sensor caused by the corrosion solution, realizes the automatic monitoring of the sample deformation in the corrosion environment, and realizes the automatic control of the temperature accelerated corrosion and the automatic adjustment of the solution concentration through the temperature control module and the corrosion solution circulation module, which is conducive to the real-time analysis of the corrosion process.
[0005] To solve the above technical problems, the utility model provides the following technical scheme:
[0006] An anchorage body corrosion test system, the system comprises: a temperature control module, a corrosion solution circulation module, a deformation measurement module and a prestress loading module;
[0007] The temperature control module is used to provide a set temperature environment for the anchorage body sample, the corrosion solution circulation module is used to provide a dry-wet alternating corrosion environment for the anchorage body sample, and the deformation measurement module is used to measure the cracking deformation of the anchorage body sample in the corrosion process. The prestress loading module is used to provide an initial prestress for the anchorage body sample.
[0008] The anchorage body sample comprises an anchor cable and mortar; the mortar is cylindrical and wraps the anchor cable.
[0009] Optionally, the temperature control module comprises a temperature controller, a heater, a heat sink, a temperature sensor and an incubator;
[0010] The temperature controller is configured to set and adjust a target temperature in the incubator, and control the working state of the heater and the heat sink to maintain a required temperature condition;
[0011] The heater is configured to provide heat to ensure that the temperature in the incubator reaches a set value;
[0012] The heat sink is configured to dissipate heat to ensure that the temperature in the incubator reaches a set value;
[0013] The temperature sensor is configured to monitor the actual temperature in the incubator in real time and feed back the actual temperature to the temperature controller;
[0014] The incubator is configured to surround a test environment to reduce the influence of external temperature changes.
[0015] Optionally, the corrosion solution circulation module comprises a water level controller, a water level gauge, a water pump, a liquid storage tank, a corrosion tank, a concentration regulator, an overflow pipe, a drain pipe, a water injection pipe, a solenoid valve, a corrosion solution, an ion concentration sensor, a solution outlet pipe and a liquid storage cavity;
[0016] The water injection pipe is connected to the water pump, and the water pump is started to inject the corrosion solution into the corrosion tank; the water level gauge is connected to the water level controller, and the water level controller closes the water pump when the water level reaches a set height;
[0017] The corrosion tank is a container for the corrosion process of the anchorage body sample; the overflow pipe is arranged at the height limit of the liquid surface of the corrosion tank; the drain pipe is arranged at the lowest liquid surface of the corrosion tank, and the drain pipe is connected to the solenoid valve;
[0018] The corrosion solution is composed of erosive ions, and the corrosion solution is stored in the liquid storage tank which is arranged outside the incubator;
[0019] The concentration regulator is arranged above the liquid storage tank, the concentration regulator contains the corrosion solution, and the corrosion solution is injected into the liquid storage tank when the concentration of the corrosion solution is lower than a threshold value.
[0020] Optionally, the concentration regulator comprises an ion concentration sensor, a solution outlet pipe and a liquid storage cavity;
[0021] The ion concentration sensor measures the concentration of various corrosive ions in the corrosion solution, the solution outlet pipe extends into the liquid storage tank to inject the corrosion solution into the liquid storage tank, and the liquid storage cavity separately stores various corrosion solutions.
[0022] Optionally, the deformation measurement module comprises a deformation data acquisition instrument, a thick-walled cylinder and a deformation sensor.
[0023] The deformation sensor is used for measuring the radial expansion deformation of the mortar, and the number of deformation sensors is three, each being spaced apart by 60 degrees and arranged along the radial direction of the anchorage body sample.
[0024] The deformation data acquisition instrument is used for recording the radial expansion deformation of the mortar.
[0025] The thick-walled cylinder is used for fixing the deformation sensor, and the thick-walled cylinder has three fixing holes, and the deformation sensor is fixed through the fixing holes.
[0026] Optionally, the prestress loading module comprises a pressure acquisition instrument, a clamp, a pre-tightening bolt, a plane thrust bearing, a pressure gauge, a pad, an internally threaded sleeve and a counterforce frame.
[0027] The counterforce frame is a U-shaped steel frame, the pad is tightly attached to the outer side of the counterforce frame, the pressure gauge is tightly attached to the outer side of the pad, the pressure acquisition instrument is connected to the pressure gauge, the pressure acquisition instrument monitors and records the change of the anchor cable tension, the clamp is arranged at both ends of the anchor cable, one end being a fixed end and the other end being a prestress application end, the inside of the clamp is conical, the internally threaded sleeve is tightly attached to the outer side of the pressure gauge, the inside of the internally threaded sleeve is threaded, the outside of the internally threaded sleeve is square-shaped, the pre-tightening bolt is screwed into the internally threaded sleeve, and the plane thrust bearing is located between the pre-tightening bolt and the clamp.
[0028] The technical scheme provided by the utility model has at least the following beneficial effects:
[0029] In the embodiment of the utility model, the deformation measurement module converts the circumferential deformation monitoring into radial deformation monitoring, solves the problem of corrosion damage of the sensor caused by the corrosion solution, realizes the automatic monitoring of the deformation of the sample in the corrosion environment, and through the temperature control module and the corrosion solution circulation module, realizes the automatic control of the temperature accelerated corrosion and the automatic adjustment of the solution concentration, which is beneficial to the real-time analysis of the corrosion process. BRIEF DESCRIPTION OF DRAWINGS
[0030] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the premise of not paying creative effort.
[0031] Figure 1 is a structural schematic diagram of the anchorage body corrosion test system provided by the embodiments of the present application;
[0032] Figure 2 is a sectional schematic diagram of the anchorage body sample provided by the embodiments of the present application;
[0033] Figure 3 is a schematic diagram of the temperature control module provided by the embodiments of the present application;
[0034] Figure 4 is a schematic diagram of the corrosion solution circulation module provided by the embodiments of the present application;
[0035] Figure 5 is a schematic diagram of the deformation measurement module provided by the embodiments of the present application;
[0036] Figure 6 is a schematic diagram of the prestress loading module provided by the embodiments of the present application.
[0037] Legend of the drawings: temperature control module 1, corrosion solution circulation module 2, deformation measurement module 3, prestress loading module 4, anchorage body sample 5, temperature controller 101, heater 102, radiator 103, temperature sensor 104, heat preservation box 105, water level controller 201, water level meter 202, water pump 203, liquid storage tank 204, corrosion tank 205, concentration regulator 206, overflow pipe 207, drain pipe 208, water injection pipe 209, electromagnetic valve 210, corrosion solution 211, ion concentration sensor 2061, solution outlet pipe 2062, liquid storage cavity 2063, deformation data acquisition instrument 301, thick-walled cylinder 302, deformation sensor 303, pressure acquisition instrument 401, clamp 402, pre-tightening bolt 403, planar thrust bearing 404, pressure gauge 405, cushion block 406, internally threaded sleeve 407, counterforce frame 408, mortar 501, anchor cable 502. DETAILED DESCRIPTION
[0038] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the embodiments of the utility model will be described clearly and completely in combination with the drawings of the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0039] In the embodiments of the utility model, the words such as "example", "for example" are used to represent as an example, illustration or explanation. Any embodiment or design scheme described as "example" in the utility model should not be interpreted as more preferred or more advantageous than other embodiments or design schemes. Rather, the word example is used to present the concept in a specific way.
[0040] The embodiments of the utility model provide a kind of anchorage body corrosion test system, reference Figure 1 As shown, the system includes: temperature control module 1, corrosion solution circulation module 2, deformation measurement module 3 and prestress loading module 4;
[0041] Among them, temperature control module 1 is used to provide set temperature environment for anchorage body sample, corrosion solution circulation module 2 is used to provide dry-wet alternating corrosion environment for anchorage body sample, deformation measurement module 3 is used to measure the cracking deformation of anchorage body sample in corrosion process;Prestress loading module 4 is used to provide initial prestress for anchorage body sample.
[0042] In the embodiments of the utility model, reference Figure 2 As shown, anchorage body sample 5 includes anchor cable 502 and mortar 501;Mortar 501 is cylindrical and wraps anchor cable 502.
[0043] Further, as shown in Figure 3 Temperature control module 1 includes: temperature controller 101, heater 102, radiator 103, temperature sensor 104 and insulation box 105;
[0044] Temperature controller 101 is used to set and adjust the target temperature in insulation box 105, and control the working state of heater 102 and radiator 103, maintain the required temperature condition;Heater 102 is used to provide heat, ensure that the temperature in insulation box 105 reaches the set value;Radiator 103 is used to dissipate heat, ensure that the temperature in insulation box 105 reaches the set value;Temperature sensor 104 is used to monitor the actual temperature in insulation box 105 in real time, and feed back the actual temperature to temperature controller 101;Insulation box 105 is used to surround test environment, reduce the influence of external temperature change.
[0045] Further, as shown in Figure 4As shown, the corrosion solution circulating module 2 comprises a water level controller 201, a water level gauge 202, a water pump 203, a storage tank 204, a corrosion tank 205, a concentration regulator 206, an overflow pipe 207, a drain pipe 208, a water injection pipe 209, a solenoid valve 210, a corrosion solution 211, an ion concentration sensor 2061, a solution outlet pipe 2062, and a storage cavity 2063.
[0046] The water injection pipe 209 is connected to the water pump 203, and the water pump 203 is started to inject the corrosion solution 211 into the corrosion tank 205. The water level gauge 202 is connected to the water level controller 201, and the water level controller 201 closes the water pump 203 when the water level reaches the set height.
[0047] The corrosion tank 205 is a container for the corrosion process of the anchorage body specimen 5. The overflow pipe 207 is arranged at the height limit of the liquid surface of the corrosion tank 205, and the drain pipe 208 is arranged at the lowest liquid surface of the corrosion tank 205. The drain pipe 208 is connected to the solenoid valve 210.
[0048] The corrosion solution 211 is composed of erosive ions, and the corrosion solution 211 is stored in the storage tank 204, which is arranged outside the heat preservation box 105.
[0049] The concentration regulator 206 is arranged above the storage tank 204, and the concentration regulator 206 contains corrosion solutions. When the concentration of the corrosion solution is lower than the threshold value, the corrosion solution is injected into the storage tank 204.
[0050] Specifically, the concentration regulator 206 comprises an ion concentration sensor 2061, a solution outlet pipe 2062, and a storage cavity 2063.
[0051] The ion concentration sensor 2061 measures the concentration of various erosive ions in the corrosion solution. The solution outlet pipe 2062 extends into the storage tank 204 to inject the corrosion solution into the storage tank 204. The storage cavity 2063 separately stores various corrosion solutions.
[0052] Further, as shown, Figure 5 The deformation measuring module 3 comprises a deformation data acquisition instrument 301, a thick-walled cylinder 302, and a deformation sensor 303.
[0053] The deformation sensor 303 is used to measure the radial expansion deformation of the mortar 501. The number of deformation sensors 303 is three, and each is spaced 60° apart and arranged along the radial direction of the anchorage body specimen 5.
[0054] The deformation data acquisition instrument 301 is used to record the radial expansion deformation of the mortar 501.
[0055] The thick-walled cylinder 302 is used to fix the deformation sensor 303. The thick-walled cylinder 302 has three fixing holes, and the deformation sensor 303 is fixed through the fixing holes.
[0056] Further, as shown in Figure 6 The prestress loading module 4 comprises a pressure collector 401, a clamp 402, a pre-tightening bolt 403, a plane thrust bearing 404, a pressure gauge 405, a cushion block 406, an internal thread sleeve 407 and a counterforce frame 408.
[0057] The counterforce frame 408 is a U-shaped steel frame, and the cushion block 406 is tightly attached to the outer side of the counterforce frame 408; the pressure gauge 405 is tightly attached to the outer side of the cushion block 406, and the pressure gauge 405 is connected to the pressure collector 401, which monitors and records the change of the tension of the anchor cable 502; the clamp 402 is arranged at both ends of the anchor cable 502, one end being a fixed end and the other end being a prestress applying end; the inside of the clamp 402 is conical; the internal thread sleeve 407 is tightly attached to the outer side of the pressure gauge 405, and the inside of the internal thread sleeve 407 is threaded; the outside of the internal thread sleeve 407 is square-shaped; the pre-tightening bolt 403 is screwed into the internal thread sleeve 407, and a thrust is formed on the anchor cable 502 by rotating the pre-tightening bolt 403; and the plane thrust bearing 404 is located between the pre-tightening bolt 403 and the clamp 402.
[0058] The implementation process of the utility model is as follows:
[0059] The mortar is designed into a cylindrical shape and wrapped around the anchor cable to obtain an anchorage body sample; the anchorage body sample is placed in the prestress loading module, and orthogonal experiments under multiple environmental factors are carried out through the temperature control module and the corrosion solution circulation module, and the cracking deformation data of the anchorage body sample are measured through the deformation measurement module; the collected data are sent to the upper computer, and the data are processed by the upper computer to evaluate and predict the comprehensive service life of the anchorage body sample.
[0060] Compared with the prior art, the utility model converts the circumferential deformation monitoring into radial deformation monitoring through the deformation measurement module, solves the problem of corrosion damage of the sensor caused by the corrosion solution, realizes the automatic monitoring of the deformation of the sample in the corrosion environment, and in addition, realizes the automatic control of the temperature accelerated corrosion and the automatic adjustment of the solution concentration through the temperature control module and the corrosion solution circulation module, which is beneficial to the real-time analysis of the corrosion process.
[0061] It should be noted that in this document, the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or terminal device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or terminal device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or terminal device comprising the element.
[0062] Reference in the specification to "one embodiment", "an embodiment", "exemplary embodiment", "some embodiments", etc. means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. The appearances of the phrase "in some embodiments" in various places in the specification are not necessarily all referring to the same embodiment.
[0063] In several embodiments provided by the utility model, it should be understood that the disclosed device, device and method can be realized by other ways. For example, the device embodiment described above is only schematic, for example, the division of unit is only a logical function division, and actual implementation can have another division way, for example, multiple units or components can be combined or integrated into another device, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the shown or discussed each other can be indirect coupling or communication connection through some interface, device or unit, and can be electric, mechanical or other form.
[0064] The utility model covers any alternative, modification, equivalent method and scheme made on the essence and range of the utility model. In order to make the public have thorough understanding to the utility model, specific details are explained in the following preferred embodiment of the utility model, and the utility model can be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, well-known method, process, flow, element and circuit etc. are not explained in detail.
[0065] The above only describes the preferred embodiment of the utility model, and does not use to limit the utility model, and any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be included in the protection range of the utility model.
Claims
1. A corrosion testing system for anchor solids, characterized in that, The system includes: a temperature control module, a corrosion solution circulation module, a deformation measurement module, and a prestress loading module; The temperature control module is used to provide a set temperature environment for the anchor body sample; the corrosion solution circulation module is used to provide an alternating wet and dry corrosion environment for the anchor body sample; the deformation measurement module is used to measure the cracking deformation of the anchor body sample during corrosion; and the prestress loading module is used to provide initial prestress to the anchor body sample. The anchor body sample includes an anchor cable and mortar; the mortar is cylindrical and wraps around the anchor cable.
2. The anchor body corrosion testing system according to claim 1, characterized in that, The temperature control module includes: a temperature controller, a heater, a radiator, a temperature sensor, and an insulation box; The temperature controller is used to set and adjust the target temperature inside the insulation box, and to control the working status of the heater and the radiator to maintain the required temperature conditions. The heater is used to provide heat to ensure that the temperature inside the insulation box reaches the set value; The radiator is used to dissipate heat and ensure that the temperature inside the insulation box reaches the set value; The temperature sensor is used to monitor the actual temperature inside the insulation box in real time and feed the actual temperature back to the temperature controller; The insulated box is used to surround the test environment and reduce the impact of external temperature changes.
3. The anchor body corrosion testing system according to claim 2, characterized in that, The corrosion solution circulation module includes: a water level controller, a water level gauge, a water pump, a storage tank, a corrosion tank, a concentration regulator, an overflow pipe, a drain pipe, a water injection pipe, a solenoid valve, a corrosion solution, an ion concentration sensor, a solution outlet pipe, and a storage cavity. The water injection pipe is connected to the water pump, and the water pump is started to inject the corrosion solution into the corrosion tank. The water level gauge is connected to the water level controller, and the water level controller shuts off the water pump when the water level reaches a set height. The corrosion tank is a container for the corrosion process of the anchor solid sample. The overflow pipe is located at the height limit liquid level of the corrosion tank, and the drain pipe is located at the lowest liquid level of the corrosion tank. The drain pipe is connected to the solenoid valve. The corrosive solution is composed of corrosive ions and is stored in the storage tank, which is located outside the insulation box. The concentration regulator is located above the storage tank and contains the corrosive solution. When the concentration of the corrosive solution is lower than a threshold, the corrosive solution is injected into the storage tank.
4. The anchor body corrosion testing system according to claim 3, characterized in that, The concentration regulator includes: an ion concentration sensor, a solution outlet tube, and a liquid storage cavity; The ion concentration sensor measures the concentration of various corrosive ions in the corrosive solution, the solution outlet pipe extends into the storage tank, and the corrosive solution is injected into the storage tank; the storage cavity is used to classify and hold various corrosive solutions.
5. The anchor body corrosion testing system according to claim 1, characterized in that, The deformation measurement module includes: a deformation data acquisition instrument, a thick-walled cylinder, and a deformation sensor; The deformation sensor is used to measure the radial expansion deformation of the mortar. There are 3 deformation sensors, each spaced 60° apart, arranged radially along the anchor body sample. The deformation data acquisition instrument is used to record the radial expansion deformation of the mortar; The thick-walled cylinder is used to fix the deformation sensor. The thick-walled cylinder has three fixing holes, through which the deformation sensor is fixed.
6. The anchor body corrosion testing system according to claim 1, characterized in that, The prestressed loading module includes: a pressure acquisition instrument, a clamp, a preload bolt, a planar thrust bearing, a pressure gauge, a pad, an internal threaded sleeve, and a reaction frame; The reaction frame is a U-shaped steel frame, and the pad is tightly attached to the outside of the reaction frame; the pressure gauge is tightly attached to the outside of the pad, and the pressure gauge is connected to the pressure acquisition instrument, which monitors and records the change in the anchor cable tension. The clamps are respectively arranged at both ends of the anchor cable, one end being the fixed end and the other end being the prestressing end. The inside of the clamp is conical, and the internal threaded sleeve is tightly attached to the outside of the pressure gauge. The inside of the internal threaded sleeve is threaded, and the outside of the internal threaded sleeve is square. The preload bolt is screwed into the internal threaded sleeve, and the planar thrust bearing is located between the preload bolt and the clamp.