Concrete preservative testing device
By designing an automated concrete corrosion inhibitor testing device, the problem of low efficiency in traditional testing devices has been solved, achieving efficient and accurate dry-wet cycle control, and ensuring the stability and applicability of test results.
Patent Information
- Application Number
- CN202520075339.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Traditional concrete corrosion inhibitor testing devices rely on manual control of wet-dry cycles, which is inefficient and makes it difficult to guarantee the accuracy and consistency of test results.
A concrete corrosion inhibitor testing device was designed, comprising a chamber, a liquid inlet structure, a temperature control device, and a support structure. It achieves automated dry and wet cycle control, and realizes automatic replenishment and mixing of the solution through a linkage mechanism of float and rotating plate. Combined with a heating device and a fan to simulate different ambient temperatures, it ensures the accuracy and efficiency of the test.
It improves testing efficiency, ensures the accuracy and consistency of test results, enhances the stability and scalability of the device, and is suitable for multi-layer testing.
Smart Images
Figure CN223784147U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of concrete test, concretely, relate to a concrete preservative testing device. BACKGROUND
[0002] In the field of construction engineering, concrete is one of the most commonly used building materials, and its quality and durability are directly related to the safety and life of the entire project. In order to improve the durability of concrete and prevent it from aging or damaging due to environmental factors (such as water and chemical erosion), the application of concrete preservative becomes particularly important. However, the effect of preservative needs to be verified by strict test to ensure its applicability and effectiveness in different environments.
[0003] According to GB / T50082-2024 "Standard for Testing Methods of Long-term Performance and Durability of Concrete", the test method is to place the concrete test piece in a dry-wet alternating environment, and the maximum number of dry-wet cycles that can be withstood is used to represent the performance of concrete against sulfate erosion. The number of dry-wet cycles of this test method needs to reach 150 times, and the total time of each dry-wet cycle should be (24±2)h. The test period of this test method is relatively long, and the traditional concrete preservative testing device often uses manual dry-wet cycle operation, and the environmental conditions of each test piece are difficult to control consistency, the test efficiency is low, and it is difficult to ensure the accuracy of the test results. SUMMARY
[0004] The utility model aims at providing a kind of concrete preservative testing device, solve the problem of low test efficiency when manual control dry-wet cycle operation, it is difficult to ensure the accuracy of test results.
[0005] The embodiment of the utility model is realized by the following technical solutions:
[0006] A kind of concrete preservative testing device, comprising:
[0007] Box, the box opening is upward, and its one side and bottom are respectively provided with liquid inlet and liquid outlet;The inside bottom of the box is further provided with a plurality of positioning seats;
[0008] Liquid inlet structure, including liquid delivery pipe and connecting pipe;The liquid delivery pipe is vertically arranged in the side of box, and is communicated with the liquid inlet of box by the connecting pipe;The connecting pipe is internally provided with a rotating plate, a connecting rope and a float;The rotating plate is rotatably arranged in the connecting pipe;The float is arranged below the liquid inlet, and is connected with the bottom end of the rotating plate by the connecting rope;
[0009] Temperature control device, including heating device and fan;The heating device is arranged at the bottom of the box;The fan is arranged at the bottom of the heating device.
[0010] The positioning seat comprises a column and a baffle; the column is vertically arranged at the bottom of the inner side of the box; and the baffle is horizontally arranged at the middle of the column and does not contact the bottom of the inner side of the box.
[0011] The upper portion of the connecting pipe is provided with a limiting groove at the connecting position with the liquid feeding pipe; and the connecting position of the rotating plate with the connecting pipe is below the limiting groove.
[0012] The top of the liquid feeding pipe is further provided with a first connecting groove; when the device is assembled, the first connecting groove is sleeved with the bottom of the liquid feeding pipe above it.
[0013] The side of the box away from the liquid inlet structure is further provided with a supporting structure; the supporting structure comprises a supporting column and a second connecting groove; the supporting column is vertically arranged on the outer side wall of the box; and the second connecting groove is arranged at the top of the supporting column; when the device is assembled, the second connecting groove is sleeved with the bottom of the supporting column above it.
[0014] The device further comprises a placing rack; when the device is assembled, the temperature control device is connected to the box above the top layer through the placing rack.
[0015] The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:
[0016] The concrete preservative testing device of the utility model, the box is upwardly open, which is convenient for observation and sampling; the setting of the liquid inlet and the liquid outlet realizes the circulating flow of the solution and guarantees the uniformity of the solution concentration; the setting of the positioning seat ensures the stability and consistency of the concrete test piece in the testing process; through the linkage mechanism of the float and the rotating plate, the automatic replenishment and mixing of the solution are realized, manual intervention is not needed, and the testing efficiency is improved; the combination of the heating device and the fan realizes the accurate control of the testing temperature, simulates the temperature conditions under different environments, and improves the applicability and accuracy of the testing; the design of the supporting structure enhances the stability and expandability of the device, and is convenient for multilayer testing; the design of the placing rack enables the temperature control device to be conveniently connected to the box above the top layer, realizes the unified temperature control of the multilayer testing box, and improves the efficiency and accuracy of the testing. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a sectional view of the utility model;
[0018] Figure 2 is an enlarged view of position A in the accompanying drawing; Figure 1
[0019] Figure 3 is a working schematic view of the utility model;
[0020] Figure 4 is an enlarged view of position B in the accompanying drawing. Figure 3
[0021] In the figure, 101 - box, 102 - positioning seat, 1021 - column, 1022 - baffle, 103 - liquid inlet, 104 - liquid outlet, 201 - liquid delivery pipe, 202 - first connecting groove, 203 - connecting pipe, 204 - limiting groove, 205 - rotating plate, 206 - connecting rope, 207 - float, 208 - valve, 209 - liquid discharge pipe, 301 - support column, 302 - second connecting groove, 401 - heating device, 402 - ventilation hole, 403 - fan, 404 - placing rack, 5 - concrete test piece. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0023] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor belong to the scope of protection of the utility model.
[0024] As Figures 1-4As shown, a concrete corrosion inhibitor testing device includes a box 101, a liquid inlet structure, a support structure and a temperature control device; the box 101 is open upward, and the left side and the bottom thereof are respectively provided with a liquid inlet 103 and a liquid outlet 104 for the entry and discharge of a test solution (Na2SO4 solution); the inner bottom of the box 101 is further provided with a plurality of positioning seats 102 arranged in an array for placing concrete test pieces 5; the positioning seat 102 includes a column 1021 and a baffle 1022; the column 1021 is vertically arranged at the bottom of the inner side of the box 101; the baffle 1022 is horizontally arranged at the middle of the column 1021 and does not contact the bottom of the inner side of the box 101; the bottom of the concrete test piece 5 is provided with a positioning hole, the column 1021 is inserted through the positioning hole at the bottom of the concrete test piece 5 to position the concrete test piece 5, and the baffle 1022 can make the concrete test piece 5 suspended to increase the contact area of the concrete test piece 5 with the test solution and make the test more accurate; the liquid inlet structure is arranged at the liquid inlet 103 of the left side of the box 101; the support structure is arranged at both ends of the right side of the box 101 for stable connection of the device; the support structure includes a support column 301 and a second connecting groove 302; the support column 301 is vertically arranged on the outer sidewall of the box 101; the second connecting groove 302 is arranged at the top of the support column 301; when the device is assembled, the second connecting groove 302 is sleeved on the bottom of the support column 301 above it.
[0025] The temperature control device includes a heating device 401 and a fan 403; the heating device 401 is arranged at the bottom of the box 101; the fan 403 is arranged at the bottom of the heating device 401; the sidewall of the shell of the temperature control device is further provided with a ventilation hole 402 for the gas circulation of the fan 403; it should be noted that the heating device 401 and the fan 403 are prior art and are not the improvement of the present embodiment, and therefore are not described in detail here.
[0026] As shown, Figure 2 and 4As shown, the liquid inlet structure includes the liquid feeding pipe 201 and the connecting pipe 203; the liquid feeding pipe 201 is vertically arranged outside the liquid inlet 103 on the left side of the box 101 and is in communication with the liquid inlet 103 through the connecting pipe 203; the top of the liquid feeding pipe 201 is further provided with the first connecting groove 202; when the device is assembled, the first connecting groove 202 is sleeved on the bottom of the liquid feeding pipe 201 above it, for stable connection of the two liquid feeding pipes 201 and without interference with the passing of the test solution; the connecting pipe 203 is internally provided with the rotating plate 205, the connecting rope 206 and the floating block 207; the upper part of the connecting pipe 203 at the connecting position with the liquid feeding pipe 201 is provided with the limiting groove 204; the rotating plate 205 is rotatably arranged below the limiting groove 204 in the connecting pipe 203; when the rotating plate 205 is turned to the side of the liquid feeding pipe 201, it is used for guiding the test solution to the connecting pipe 203 and to the inside of the box 101; when the rotating plate 205 is turned to be vertical and is blocked by the limiting groove 204, it is used for avoiding the test solution flowing to the connecting pipe 203; the floating block 207 is arranged below the liquid inlet 103 and is connected with the bottom end of the rotating plate 205 through the connecting rope 206; under the gravity of the floating block 207, the rotating plate 205 is turned to the side of the liquid feeding pipe 201, and when the horizontal plane of the test solution rises and lifts up the floating block 207, the rotating plate 205 restores to be vertical and closes the side of the connecting pipe 203.
[0027] Specifically, the liquid outlet 104 of the box 101 is further provided with the liquid discharging pipe 209, the other end of which is in communication with the liquid feeding pipe 201; the liquid discharging pipe 209 is further provided with the valve 208, for controlling the closing or opening of the liquid outlet 104.
[0028] More specifically, it further includes the placing rack 404; when the device is assembled, the temperature control device is connected to the top of the topmost box 101 through the placing rack 404, for adjusting the test environment in the inside of the topmost box 101.
[0029] The working principle of the embodiment is as follows:
[0030] The utility model discloses a kind of concrete preservative testing devices, the concrete test piece 5 bottom setting positioning hole is made after adding preservative, then multiple concrete test pieces 5 are fixed to the positioning seat 102 inside box 101, then multiple box 101 is placed in turn, so that the first connecting groove 202 of liquid delivery pipe 201 top is sleeved on its upper liquid delivery pipe 201 bottom, the second connecting groove 302 of support column 301 top is sleeved on its upper support column 301 bottom, so that multiple box 101 are mutually fixed, then temperature control device is connected on the box 101 above most top layer by placing frame 404, finally test solution (Na2SO4 solution) is input from the liquid delivery pipe 201 top of most top layer, and it is recycled from the liquid delivery pipe 201 bottom of most bottom layer, under the gravity of float 207, rotary plate 205 is transferred to the one side of liquid delivery pipe 201, test solution is guided to connecting pipe 203, and it is connected to the inside of box 101, when the horizontal plane of test solution rises, and float 207 is lifted, rotary plate 205 restores vertical and closes one side of connecting pipe 203, so that test solution floods concrete test piece 5 and carries out test, every certain time, the valve 208 of box 101 outlet 104 is opened, so that test solution is discharged, then temperature control device can carry out warming or cooling cycle to concrete test piece 5, according to the standard of GB / T50082-2024 "concrete long-term performance and durability test method standard" test can be carried out.
[0031] The above is only preferred embodiment of the utility model, and is not used to limit the utility model, for the person skilled in the art, the utility model can have various changes and changes. 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 concrete preservative testing apparatus, characterized by, The utility model relates to a kind of liquid heating device, including: Box, the box is opened upward, and the side and bottom are respectively provided with liquid inlet and liquid outlet;The inside bottom of the box is further provided with several positioning seats; Liquid inlet structure, including liquid delivery pipe and connecting pipe;The liquid delivery pipe is vertically arranged in the side of box, and is communicated with the liquid inlet of box by the connecting pipe;The connecting pipe is internally provided with rotating plate, connecting rope and float;The rotating plate is rotationally arranged in the inside of connecting pipe;The float is arranged below the liquid inlet, and is connected with the bottom end of rotating plate by connecting rope; Temperature control device, including heating device and fan;The heating device is arranged in the bottom of box;The fan is arranged in the bottom of heating device.
2. A concrete preservative testing apparatus according to claim 1, wherein, The positioning seat includes stand and baffle;The stand is vertically arranged in the inside bottom of box;The baffle is horizontally arranged in the middle of stand, and does not contact with the inside bottom of box.
3. A concrete preservative testing apparatus as defined in claim 1, wherein, The upper side of the connecting pipe and the liquid delivery pipe connection place is provided with limiting slot;The connecting place of rotating plate and connecting pipe is below limiting slot.
4. A concrete preservative testing apparatus as claimed in claim 3, wherein, The top of the liquid delivery pipe is further provided with first connecting slot;When the device is assembled, the first connecting slot is sleeved on the bottom of the liquid delivery pipe above it.
5. A concrete preservative testing apparatus as claimed in claim 4, wherein, The side of the box away from liquid inlet structure is further provided with support structure;The support structure includes support column and second connecting slot;The support column is vertically arranged on the outside wall of box;The second connecting slot is arranged on the top of support column;When the device is assembled, the second connecting slot is sleeved on the bottom of the support column above it.
6. A concrete preservative testing apparatus as defined in claim 1, wherein, It further includes placing rack;When the device is assembled, the temperature control device is connected above the topmost box by placing rack.