Aerated concrete corrosion resistance durability test assembly

Abstract

The utility model relates to the technical field of concrete testing assemblies, and discloses an aerated concrete corrosion resistance durability testing assembly which comprises a vertically-through testing cylinder, a flange cover plate is connected to the upper end face of the testing cylinder through a bolt and a flange plate, and a protruding ring protruding upwards is fixedly arranged on the outer ring of a round hole in the bottom of the testing cylinder. A sealing rubber ring is fixedly arranged at the upper end of the convex ring, the concrete testing cylindrical block is inserted into the testing cylinder, the bottom of the concrete testing cylindrical block is pressed on the sealing rubber ring to form sealing, and the flange cover plate and an adjusting screw rod are fixedly arranged on the upper end face of the flange cover plate. After the concrete testing cylinder block is placed, water is added to submerge the concrete testing cylinder block, then the interior of the testing cylinder is pressurized through the pressurizing pipe, after the specified pressure is reached, the pressurizing arm is pressed down and pressurized to the specified pressure, and the water seepage condition below the testing cylinder and the collapse condition of concrete under the compression of the pressurizing arm are observed. The testing device is simple in structure and larger in testing coverage.

Description

Technical Field

[0001] The utility model relates to the technical field, in particular to an aerated concrete corrosion resistance durability testing component. Background Art

[0002] For some buildings, such as hydraulic structures, underwater, in-water, underground and other construction projects, the buildings are required to have special properties - anti-seepage performance. The so-called anti-seepage performance refers to the ability of the materials used in the structure to resist the penetration of water and other liquids (light oil, heavy oil) under pressure. The anti-permeability of concrete seriously affects the quality of concrete.

[0003] The applicant of the utility model finds that the existing concrete anti-permeability testing device is inconvenient to use and operate during concrete testing. Utility Model Content

[0004] The technical problem to be solved by the utility model is: in order to overcome the above problems, an aerated concrete corrosion resistance durability testing component is provided, which solves the above problems.

[0005] The utility model solves the technical problem by adopting the following technical solutions:

[0006] The aerated concrete corrosion resistance durability test assembly comprises a test cylinder penetrating from top to bottom, a flange cover plate is provided on the upper end surface of the test cylinder through bolts and a flange plate, a convex ring protruding upward is fixedly provided on the outer ring of the bottom circular hole of the test cylinder, and a sealing rubber ring is fixedly provided on the upper end of the convex ring, a concrete test cylindrical block is inserted into the test cylinder and the bottom is pressed on the sealing rubber ring to form a seal, a flange cover plate and an adjusting screw are fixedly provided on the upper end surface of the flange cover plate, and a pressurizing cylinder with two arm rods is provided with a pressurizing arm inserted at its bottom, The pressure arm is inserted into the flange boss and rests against the upper end of the concrete test cylindrical block. A compensation spring is provided in the pressure cylinder to press the pressure arm downward. The arm rod is pressed downward under the connection between the nut and the adjusting screw, and a pressure pipe connected to the inside of the test cylinder is fixedly provided on the side of the test cylinder. After the concrete test cylindrical block is placed, water is added to cover the concrete test cylindrical block, and then the test cylinder is pressurized through the pressure pipe. After reaching the specified pressure, the pressure arm is pressed down and pressurized to the specified pressure.

[0007] Preferably, a pressure sensor is embedded and fixed on the upper end of the pressure arm, the lower end of the compensation spring rests on the pressure sensor, and an electronic display for displaying the pressure value collected by the pressure sensor is also fixed on the upper end surface of the pressure cylinder. The pressure sensor and the electronic display are connected by a data line, and the downward pressure of the pressure arm can be obtained by observing the electronic display. When the concrete collapses, the value of the electronic display will change, which is convenient for obtaining the test data of the concrete in the first time.

[0008] Preferably, a sealing rubber sleeve is fixedly covered on the outer side wall of the pressure arm, and when the pressure arm slides up and down on the inner wall of the flange boss, the pressure arm plays a good sealing role.

[0009] Preferably, a sealing rubber ring is embedded and fixed on the flange end surfaces where the testing cylinder and the flange cover plate are in contact with each other.

[0010] Preferably, in order to provide more diverse pressurizing surfaces and pressurizing strengths, a threaded hole is provided on the lower end surface of the pressurizing arm, and a pressure head is threadedly connected in the threaded hole, and the area and shape of the lower end of the pressure head can be customized according to requirements.

[0011] The advantages and positive effects of the utility model are as follows: after the concrete test cylindrical block is placed, water is added to cover the concrete test cylindrical block, and then the test cylinder is pressurized through the pressure tube. After reaching the specified pressure, the pressure arm is pressed down and pressurized to the specified pressure, and the water seepage under the test cylinder and the shrinkage of the concrete under the pressure of the pressure arm are observed. The test device has a simple structure, a larger test coverage area, and is more in line with the actual use of concrete. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 yes Figure 1 Schematic diagram of the local cross-sectional structure;

[0015] Figure 3 yes Figure 1 Schematic diagram of the enlarged structure inside the middle pressurized cylinder 16.

[0016] The symbols in the accompanying drawings are described as follows: 10, test cylinder; 11, pressurizing tube; 12, flange cover; 13, flange boss; 14, adjusting screw; 15, arm; 16, pressurizing cylinder; 17, pressurizing arm; 18, convex ring; 19, sealing rubber ring; 20, pressure sensor; 21, compensation spring; 22, electronic display; 23, pressure head. DETAILED DESCRIPTION

[0017] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0018] The following is a further description of the embodiments of the present invention in conjunction with the accompanying drawings:

[0019] like Figure 1-3 As shown, the aerated concrete corrosion resistance durability test assembly of the utility model comprises a test cylinder 10 penetrating from top to bottom, a flange cover plate 12 is provided on the upper end surface of the test cylinder 10 through bolts and a flange plate, a convex ring 18 protruding upward is fixedly provided on the outer ring of the bottom circular hole of the test cylinder 10, and a sealing rubber ring 19 is fixedly provided on the upper end of the convex ring 18, a concrete test cylindrical block is inserted into the test cylinder 10 and the bottom is pressed on the sealing rubber ring 19 to form a seal, a flange cover plate 12 and an adjusting screw 14 are fixedly provided on the upper end surface of the flange cover plate 12, and a pressurizing cylinder 16 with two arm rods 15 is inserted at its bottom with a A pressure arm 17 is provided, the pressure arm 17 is inserted into the flange boss 13 and abuts against the upper end of the concrete test cylindrical block. A compensation spring 21 is provided in the pressure cylinder 16 to press the pressure arm 17 downward. The arm rod 15 is pressed downward under the connection between the nut and the adjusting screw 14, and a pressure pipe 11 connected to the inside of the test cylinder 10 is fixedly provided on the side of the test cylinder 10. After the concrete test cylindrical block is placed, water is added to cover the concrete test cylindrical block, and then the test cylinder 10 is pressurized through the pressure pipe 11. After reaching the specified pressure, the pressure arm 17 is pressed down and pressurized to the specified pressure.

[0020] Preferably, a pressure sensor 20 is embedded and fixed at the upper end of the pressure arm 17, the lower end of the compensation spring 21 is against the pressure sensor 20, and an electronic display 22 for displaying the pressure value collected by the pressure sensor 20 is also fixed on the upper end surface of the pressure cylinder 16. The pressure sensor 20 and the electronic display 22 are connected by a data line. The downward pressure of the pressure arm 17 can be obtained by observing the electronic display 22, and when the concrete collapses, the value of the electronic display 22 will change, which is convenient for obtaining the test data of the concrete in the first time.

[0021] Preferably, a sealing rubber sleeve is fixedly covered on the outer side wall of the pressure arm 17 , and when the pressure arm 17 slides up and down on the inner wall of the flange boss 13 , the pressure arm 17 plays a good sealing role.

[0022] Preferably, a sealing rubber ring is embedded and fixed on the flange end surfaces of the testing cylinder 10 and the flange cover plate 12 that are in contact with each other.

[0023] Preferably, in order to provide more diverse pressurizing surfaces and pressurizing strengths, a threaded hole is provided on the lower end surface of the pressurizing arm 17, and a pressure head 23 is threadedly connected in the threaded hole. The area and shape of the lower end of the pressure head 23 can be customized according to requirements.

[0024] It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive. Therefore, the present invention is not limited to the embodiments described in the specific implementation manner. Any other implementation manners derived by those skilled in the art based on the technical solution of the present invention also fall within the scope of protection of the present invention.

Claims

1. An aerated concrete corrosion resistance durability test assembly, comprising a test tube (10) penetrating from top to bottom, characterized in that: A flange cover plate (12) is provided on the upper end surface of the test cylinder (10) through bolts and a flange plate. A convex ring (18) protruding upward is fixedly provided on the outer ring of the bottom circular hole of the test cylinder (10), and a sealing rubber ring (19) is fixedly provided on the upper end of the convex ring (18). The concrete test cylindrical block is inserted into the test cylinder (10) and the bottom is pressed on the sealing rubber ring (19) to form a seal. A flange cover plate (12) and an adjusting screw (14) are fixedly provided on the upper end surface of the flange cover plate (12). A pressurizing cylinder (16) with two arm rods (15) is provided with a pressurizing arm (17) inserted at its bottom. The pressurizing arm (17) is inserted The flange boss (13) is inserted into the flange boss (13) and abuts against the upper end of the concrete test cylindrical block. A compensation spring (21) is provided in the pressure cylinder (16) to press the pressure arm (17) downward. The arm rod (15) is pressed downward under the connection between the nut and the adjusting screw (14). A pressure pipe (11) connected to the inside of the test cylinder (10) is fixedly provided on the side of the test cylinder (10). After the concrete test cylindrical block is placed, water is added to cover the concrete test cylindrical block, and then the test cylinder (10) is pressurized through the pressure pipe (11). After reaching the specified pressure, the pressure arm (17) is pressed down and pressurized to the specified pressure.

2. The aerated concrete corrosion resistance durability test assembly according to claim 1, characterized in that: A pressure sensor (20) is fixedly mounted on the upper end of the pressure arm (17), the lower end of the compensation spring (21) is against the pressure sensor (20), and an electronic display (22) for displaying the pressure value collected by the pressure sensor (20) is also fixedly disposed on the upper end surface of the pressure cylinder (16). The pressure sensor (20) and the electronic display (22) are connected via a data line, and the downward pressure of the pressure arm (17) can be obtained by observing the electronic display (22). When the concrete collapses, the value of the electronic display (22) will change, so that the concrete test data can be obtained at the first time.

3. The aerated concrete corrosion resistance durability testing assembly according to claim 2, characterized in that: A sealing rubber sleeve is fixedly provided on the outer side wall of the pressure arm (17), and when the pressure arm (17) slides up and down on the inner wall of the flange boss (13), the pressure arm (17) plays a good sealing role.

4. The aerated concrete corrosion resistance durability testing assembly according to claim 3, characterized in that: A sealing rubber ring is embedded and fixed on the flange end surfaces of the test tube (10) and the flange cover plate (12) that are in contact with each other.

5. The aerated concrete corrosion resistance durability testing assembly according to claim 4, characterized in that: In order to provide more diverse pressurizing surfaces and pressurizing strengths, a threaded hole is provided on the lower end surface of the pressurizing arm (17), and a pressure head (23) is threadedly connected in the threaded hole. The area and shape of the lower end of the pressure head (23) can be customized according to requirements.

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