Performance testing equipment for ultra-high performance concrete in saline-alkali environment

Abstract

The utility model provides performance testing equipment for ultra-high performance concrete in a saline-alkali environment, which belongs to the field of concrete performance testing and comprises a testing box, a U-shaped frame is fixedly arranged on the testing box, an air cylinder is arranged on the U-shaped frame in a penetrating manner, a placing frame is fixedly arranged at the bottom of the air cylinder, and the placing frame is arranged on the U-shaped frame. A concrete test piece is placed on the placing frame; and the blending assembly comprises two capacity barrels fixedly arranged on the U-shaped frame, a liquid outlet pipe is arranged at the bottoms of the capacity barrels in a penetrating mode, the liquid outlet pipe penetrates through the U-shaped frame to be fixedly arranged, and an electromagnetic valve is installed at the bottom of the liquid outlet pipe. According to the utility model, the blending assembly is arranged, test solutions with different pH values can be blended according to needs, various complex acid-base environments can be simulated, the accuracy of test results is improved, the stirring assembly is also arranged, the solutions can be mixed and stirred during blending, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete performance test technical field especially relates to a kind of performance testing equipment of super high performance concrete under saline-alkali environment. BACKGROUND

[0002] It is known that concrete is the building structure material with the largest quantity and the most extensive use, and is widely used in buildings, subways, bridges, highways and pipelines and other buildings. With the more and more extensive application of concrete, higher requirements are put forward for concrete. Concrete is damaged by various factors during use, and the service life of the project is determined by concrete, so the performance of concrete is paid more and more attention by people. Acid solution and alkali solution can have harmful effects on concrete.

[0003] In the prior art, the acid-alkali resistance performance detection device for concrete test pieces is difficult to accurately and conveniently adjust the test solution to the required different acid-base levels, and it is difficult to accurately simulate various complex acid-base environments that concrete may encounter in actual application, which limits the comprehensive evaluation of the performance of concrete test pieces in different acid-base environments, resulting in reduced accuracy of the detection results. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model provides a kind of performance testing equipment of super high performance concrete under saline-alkali environment.

[0005] The embodiment of the utility model provides a kind of performance testing equipment of super high performance concrete under saline-alkali environment, comprising:

[0006] Test box, the test box is fixedly provided with U-shaped frame, the U-shaped frame is throughly provided with pneumatic cylinder, the bottom of pneumatic cylinder is fixedly provided with placing frame, and the placing frame is placed with concrete test piece;

[0007] The deployment component includes two volume barrels fixedly arranged on the U-shaped frame, the bottom of the volume barrel is throughly provided with a liquid outlet pipe, the liquid outlet pipe is fixedly arranged through the U-shaped frame, and the bottom of the liquid outlet pipe is provided with a solenoid valve.

[0008] Further, it further includes stirring assembly, the stirring assembly includes motor and U-shaped stirring rod, the motor is fixedly installed at the bottom of test box, the output end of motor is fixedly provided with shaft, the shaft is rotatably connected through the bottom of test box, and the U-shaped stirring rod is fixedly arranged on the shaft.

[0009] Further, the acid-base detector is fixedly installed on one side of the test box, and the detection head of the acid-base detector is fixedly arranged through one side of the test box.

[0010] Furthermore, the capacity container is provided with graduations, and a liquid injection port is provided through the top of the capacity container.

[0011] Furthermore, a drain pipe is provided through one side of the test chamber, and a valve is installed at the outer end of the drain pipe.

[0012] Furthermore, each of the four corners of the bottom of the test box is fixedly provided with a support leg, and a bracket is fixedly provided between the four support legs.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. A mixing component is set up. Through two solenoid valves, acidic and alkaline solutions from two capacity tanks can be sequentially discharged into the test chamber. By controlling the amount added, the acidity and alkalinity can be adjusted to meet the testing needs of different acidity and alkalinity, simulate various complex acid and alkaline environments, enrich the experimental results, and improve the accuracy of the test results.

[0015] 2. A stirring assembly is installed, which uses a motor to drive the U-shaped stirring rod to rotate, thereby mixing the solution and improving work efficiency.

[0016] In summary, this invention includes a mixing component that can mix test solutions of different pH levels as needed, simulating various complex acid-base environments and improving the accuracy of test results. It also includes a stirring component that can mix and stir the solution during mixing, thereby improving work efficiency. Attached Figure Description

[0017] Fig. 1 This is a three-dimensional schematic diagram of a performance testing device for ultra-high performance concrete in a saline-alkali environment, as described in an embodiment of this utility model.

[0018] Fig. 2 This is a cross-sectional view of the test chamber in a performance testing device for ultra-high performance concrete under saline-alkali conditions, as described in an embodiment of this utility model.

[0019] Fig. 3 This is a three-dimensional schematic diagram of the capacity tank in a performance testing device for ultra-high performance concrete under saline-alkali conditions, as described in an embodiment of this utility model.

[0020] In the above attached diagram: 1 Test box, 2 U-shaped frame, 3 Cylinder, 4 Placement frame, 5 Concrete specimen, 6 Capacity tank, 7 Discharge pipe, 8 Solenoid valve, 9 Scale value, 10 Injection port, 11 Acid-base detector, 12 Motor, 13 U-shaped stirring rod, 14 Drain pipe, 15 Support leg. Detailed Implementation

[0021] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0022] As Figs. 1-3 shown, the utility model discloses a kind of performance test equipment of ultra-high performance concrete in saline-alkali environment, comprising:

[0023] Test box 1, the bottom four corners of test box 1 are fixedly provided with support leg 15, support is fixedly arranged between four support legs 15, support leg 15 and support are used to support test box 1, one side of test box 1 is provided with drain pipe 14, drain pipe 14 is used to drain the liquid in test box 1, valve is installed on the outer end of drain pipe 14, valve is used to control the opening and closing of drain pipe 14, one side of test box 1 is fixedly installed with acid-base detector 11, the detection head of acid-base detector 11 is fixedly provided with one side of test box 1, acid-base detector 11 is prior art, also known as acid-base meter or pH meter, for detecting the acid-base value of solution in test box 1, U-shaped frame 2 is fixedly provided on test box 1, gas cylinder 3 is provided on U-shaped frame 2, placing frame 4 is fixedly provided at the bottom of gas cylinder 3, concrete test piece 5 is placed on placing frame 4, and placing frame 4 is used to place concrete test piece 5;

[0024] Dispensing assembly, two volume barrels 6 are fixedly provided on U-shaped frame 2, two volume barrels 6 are used to pack acidic solution and basic solution respectively, scale value 9 is provided on volume barrel 6, scale value 9 is used to observe the amount of solution in volume barrel 6, liquid inlet 10 is provided at the top of volume barrel 6, liquid inlet 10 is used to add solution to volume barrel 6, liquid outlet pipe 7 is provided at the bottom of volume barrel 6, liquid outlet pipe 7 is fixedly provided and penetrates U-shaped frame 2, liquid outlet pipe 7 is used to drain the liquid in volume barrel 6, electromagnetic valve 8 is installed at the bottom of liquid outlet pipe 7, electromagnetic valve 8 is used to control the opening and closing of liquid outlet pipe 7 and the amount of solution drained;

[0025] It also includes stirring assembly, and stirring assembly includes motor 12 and U-shaped stirring rod 13, motor 12 is fixedly installed at the bottom of test box 1, shaft is fixedly provided at the output end of motor 12, and the shaft is rotatably connected and penetrates the bottom of test box 1, and U-shaped stirring rod 13 is fixedly provided on the shaft.

[0026] The detailed working process of the utility model is as follows:

[0027] 1, when using, first by two electromagnetic valves 8, acidic solution and basic solution in two volume barrels 6 are sequentially drained into test box 1, and the adjustment of pH value is carried out, by controlling the amount of acidic solution and basic solution added, and by observing acid-base detector 11, to ensure that the pH value of solution in test box 1 meets the test needs;

[0028] 2, at the same time, U-shaped stirring rod 13 is rotated by motor 12, so that the solution can be mixed and stirred, and the working efficiency is improved;

[0029] 3. Finally, the concrete specimen 5 is placed in the placement frame 4, and then the placement frame 4 is moved downward by the cylinder 3, so that the concrete specimen 5 is immersed in the solution in the test chamber 1 for acid and alkali resistance testing.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. An ultra-high performance concrete salt-alkali environment performance testing device, characterized in that, Include: Test box (1), the test box (1) is fixedly provided with a U-shaped frame (2), a cylinder (3) is provided through the U-shaped frame (2), the bottom of the cylinder (3) is fixedly provided with a placing frame (4), and the placing frame (4) is placed with a concrete test piece (5); The deployment component includes two capacity barrels (6) fixedly arranged on the U-shaped frame (2), the bottom of the capacity barrel (6) is provided with a liquid outlet pipe (7), the liquid outlet pipe (7) is fixedly arranged through the U-shaped frame (2), and the bottom of the liquid outlet pipe (7) is provided with an electromagnetic valve (8).

2. The performance testing device for ultra-high performance concrete in saline-alkali environment according to claim 1, characterized in that, Wherein: It also includes a stirring assembly, the stirring assembly includes a motor (12) and a U-shaped stirring rod (13), the motor (12) is fixedly installed at the bottom of the test box (1), the output end of the motor (12) is fixedly provided with a shaft, the shaft is rotatably connected through the bottom of the test box (1), and the U-shaped stirring rod (13) is fixedly arranged on the shaft.

3. The performance testing device for ultra-high performance concrete in saline-alkali environment according to claim 1, characterized in that, Wherein: The side of the test box (1) is fixedly provided with an acid-base detector (11), and the detection head of the acid-base detector (11) is fixedly arranged through the side of the test box (1).

4. The performance testing device for ultra-high performance concrete in saline-alkali environment according to claim 1, characterized in that, Wherein: The capacity barrel (6) is provided with a scale value (9), and the top of the capacity barrel (6) is provided with a liquid inlet (10).

5. The performance testing device for ultra-high performance concrete in saline-alkali environment according to claim 1, characterized in that, Wherein: The side of the test box (1) is provided with a drain pipe (14), and the outer end of the drain pipe (14) is provided with a valve.

6. The performance testing device for ultra-high performance concrete in saline-alkali environment according to claim 1, characterized in that, Wherein: The bottom of the test box (1) is fixedly provided with a supporting leg (15) at four corners, and a support is fixedly arranged between the four supporting legs (15).

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