CN217007326U - A self-compacting concrete filling test device - Google Patents

Abstract

The utility model relates to the technical field of concrete performance testing, and provides a self-compacting concrete filling test device, comprising a concrete slump cylinder, a driving mechanism for driving the concrete slump cylinder to rise and fall, and a supply for the concrete slump cylinder. A slump expansion test panel placed on the concrete slump cylinder, a distance measuring assembly arranged on the edge of the slump expansion test plate, and a test assembly for timing and displaying the data measured by the distance measuring assembly , the distance measuring assembly and the driving mechanism are connected with the testing assembly through wires. The self-compacting concrete filling test device of the utility model solves the problems of timing error, measurement error and the like in the current laboratory testing of slump expansion and expansion time, improves efficiency, reduces errors, and makes the measured data accurate and objective.

Description

A self-compacting concrete filling test device

technical field

The utility model relates to the technical field of concrete performance testing, in particular to a self-compacting concrete filling property testing device.

Background technique

Self-compacting concrete refers to the concrete that can flow and compact under the action of its own gravity, and can completely fill the formwork even if there are dense steel bars, and at the same time obtain good homogeneity, and does not require additional vibration. Fillability, as one of the important indicators of the working performance of self-compacting concrete, includes two parameters, slump expansion and expansion time.

However, most of the existing testing equipment is manually operated to lift and lower the concrete slump cylinder, which has a low degree of automation and low efficiency. Errors often occur through manual timing, and accurate and objective data cannot be obtained.

Utility model content

The purpose of the present invention is to provide a self-compacting concrete filling test device, which can at least solve some of the defects in the prior art.

In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions: a self-compacting concrete filling test device, comprising a concrete slump cylinder, and a driving mechanism for driving the concrete slump cylinder to rise and fall, a A slump expansion test plate on which the concrete slump cylinder rests, a distance measuring assembly provided at the edge of the slump expansion test plate, and a test for timing and displaying data measured by the distance measuring assembly assembly, the distance measuring assembly and the driving mechanism are all connected with the test assembly through wires.

Further, the driving mechanism includes a fixed connection frame for fixing the concrete slump cylinder and a telescopic rod for driving the fixed connection frame to rise and fall, and the telescopic rod is connected with the test assembly through a wire.

Further, it also includes a base, and the telescopic rod is arranged on the base.

Further, the slump expansion test board is arranged on the base.

Further, the slump expansion test plate has a ring scale for measuring expansion.

Further, the ranging assembly includes an infrared ranging sensor, and there are multiple infrared ranging sensors, and each of the infrared ranging sensors is arranged at the edge of the slump expansion test board in different directions.

Further, a warning light for warning is also included, and the warning light is connected with the test assembly through a wire.

Further, a control switch is also included, and the control switch controls the lifting action of the driving mechanism.

Further, the concrete slump cylinder is a truncated cone-shaped structure, and the large-diameter end face of the truncated cone-shaped structure falls on the slump expansion test plate.

Further, there are two telescopic rods, and the two telescopic rods are respectively arranged at an opposite corner of the fixed connection frame.

Compared with the prior art, the beneficial effect of the utility model is: a self-compacting concrete filling test device, which solves the problems of timing error, measurement error and the like that occur in the current laboratory testing of slump expansion and expansion time, and improves efficiency. , reducing errors and making the measured data accurate and objective.

Description of drawings

1 is a schematic structural diagram of a self-compacting concrete filling test device provided by an embodiment of the present utility model;

2 is a schematic diagram of a partial top view of a self-compacting concrete filling test device provided by an embodiment of the present utility model;

In the reference numerals: 1-Fixed connection frame; 2-Concrete slump cylinder; 3-Telescopic pole; 4-Infrared distance sensor; 5-Control switch; 6-Base; 7-LED warning light; 8-Slump Degree expansion test board; 9-stand; 10-test assembly.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIG. 1 , an embodiment of the present invention provides a self-compacting concrete filling test device 10, including a concrete slump cylinder 2, a driving mechanism for driving the concrete slump cylinder 2 to rise and fall, The slump expansion test plate 8 on which the slump cylinder 2 is placed, the distance measuring assembly provided on the edge of the slump expansion test plate 8, and the test for timing and displaying the data measured by the distance measuring assembly The assembly 10, the distance measuring assembly and the driving mechanism are all connected with the testing assembly 10 through wires. In this embodiment, the concrete slump cylinder 2 can be driven up and down by the drive mechanism to realize automatic up and down, and the test component 10 can not only display the data measured by the distance measuring component, but also perform timing, compared with the existing Manual timing is more accurate and the data obtained is more reliable. The test assembly 10 is an existing electronic test device, which can process and display data and has a timing function.

As an optimized solution of the embodiment of the present invention, please refer to FIG. 1 and FIG. 2 , the driving mechanism includes a fixed connection frame 1 for fixing the concrete slump cylinder 2 and a fixed connection frame 1 for driving the fixed connection frame 1 to rise and fall The telescopic rod 3 is connected to the test assembly 10 through wires. In this embodiment, the above-mentioned driving mechanism is refined, which may include a telescopic rod 3 and a fixed connecting frame 1, and the lifting and lowering is completed by the telescopic rod 3. Of course, in addition to the telescopic rod 3, there are other existing devices that can generate lifting and lowering driving force. All devices are feasible, such as air cylinders, electric push rods, etc., which are not limited in this embodiment. Preferably, the device further includes a base 6 , the telescopic rod 3 is arranged on the base 6 , and the slump expansion test plate 8 is arranged on the base 6 . The base 6 is supported by a bracket 9 .

As an optimized solution of the embodiment of the present invention, please refer to FIG. 1 and FIG. 2 , the slump expansion test plate 8 has a ring scale for measuring expansion. In this embodiment, the slump and expansion of concrete can be visually observed through the ring scale.

As an optimized solution of the embodiment of the present invention, please refer to FIG. 1 and FIG. 2 , the ranging component includes an infrared ranging sensor 4 , there are multiple infrared ranging sensors 4 , and each of the infrared ranging sensors 4 It is arranged at the edges of the slump expansion test board 8 in different directions. In this embodiment, the distance can be measured by the infrared distance measuring sensor 4 . The infrared ranging sensor 4 is an existing device, and its specific working principle will not be described in detail here. Infrared ranging sensors 4 in different directions can know the position of concrete in various directions.

As an optimized solution of the embodiment of the present invention, please refer to FIG. 1 and FIG. 2 , the device further includes a warning light for warning, and the warning light is connected to the test assembly 10 through a wire. In this embodiment, a warning light can be used to prompt the test personnel. The warning light is an LED warning light 7 .

As an optimized solution of the embodiment of the present invention, please refer to FIG. 1 and FIG. 2 , the device further includes a control switch 5 , and the control switch 5 controls the lifting action of the driving mechanism. In this embodiment, the lifting rod can be raised and lowered through the control switch 5 .

As an optimized solution of the embodiment of the present invention, please refer to FIG. 1 and FIG. 2 , there are two telescopic rods 3 , and the two telescopic rods 3 are respectively arranged at an opposite corner of the fixed connection frame 1 . In this embodiment, two telescopic rods 3 are provided to make the lifting more stable.

specifically:

The middle of the base 6 is an annular test area for slump expansion. Two telescopic rods 3 are installed at diagonally opposite corners of this area, and the upper part of the telescopic rods 3 is connected to a connecting frame for fixing the concrete slump cylinder 2 . An infrared ranging sensor 4 is installed at the middle positions of the left and right ends of the slump expansion annular test area. The side of the base 6 is provided with a control switch 5 and an LED warning light 7. The switch 5 and the telescopic rod 3 are respectively connected to the test assembly 10 through wires, and the LED warning light 7 and the infrared ranging sensor 4 are respectively connected to the test assembly 10 through wires. The utility model can electrically control the slump cylinder to lift according to the switch, automatically test the time when the expansion degree of the self-compacting concrete mixture reaches 500mm (T ₅₀₀ ), and according to the data measured by the infrared distance measuring sensor 4, after processing by the test component 10 The final expansion degree is obtained, which is easy to use, simple to operate, and the data is accurate and objective. The concrete slump cylinder 2 is a round-shaped steel cylinder; the fixed connection frame 1 is made of aluminum steel; the telescopic rod 3 is made of stainless steel; the base 6 and the bracket 9 are made of aluminum steel; the warning light adopts LED indicator light. Infrared ranging sensors 4 are installed at the middle positions of the left and right ends of the annular test area for slump expansion of the base 6 to measure the distance from the left and right ends to the edge of the self-compacting concrete mixture. The middle of the base 6 is the annular test area for slump expansion, the base 6 is a square with a side length of 1.4m, and the annular test area for slump expansion is a square area with a side length of 1m, marked with diameters of 200mm and 300mm. , 500mm, 600mm, 700mm, 800mm and 900mm scale circles. The control switch 5, the telescopic rod 3 and the test assembly 10 are connected by wires. The control switch 5 can control the lifting and lowering of the telescopic rod 3, and the timing of the test assembly 10 is started. The LED warning light 7 and the infrared ranging sensor 4 are connected to the test assembly 10 through wires, and the LED warning light 7 controls the test assembly 10 to stop timing. The test assembly 10 is used for timing and displaying the final degree of expansion value. The top end of the telescopic rod 3 is welded with the fixed connection frame 1 . Preferably, the test assembly 10 not only has a timing function, but also has the ability to read the data of the infrared ranging sensor 4 and simply process the data. The infrared distance sensor 4 can measure the distance from the edge of the base 6 to the edge of the concrete. The control switch 5 has the ability to control the lifting and lowering of the telescopic rod 3 and the test assembly 10 to start timing. The LED warning light 7 can control the test assembly 10 to stop timing and remind the tester.

Two telescopic rods 3 and a fixed connection frame 1 are provided, and the telescopic rod 3 is controlled to rise by the control switch 5 to complete the vertical lifting process of the concrete slump cylinder 2, which facilitates the work, avoids errors caused by manual lifting, and improves the the test accuracy. The infrared distance measuring sensor 4 is used to measure the distance from the edge of the base 6 to the edge of the concrete, and the data is read and processed through the connected test component 10 to obtain the final expansion degree value of the self-compacting concrete. Using the test assembly 10 for timing improves work efficiency and reduces errors in manual timing.

Before starting the test, the control switch 5, the infrared distance measuring sensor 4 and the electronic test device switch should be turned on first. After pouring the fresh concrete into the hopper and flowing until the upper edge of the concrete slump cylinder 2 is flush, the telescopic rod 3 is activated by the control switch 5, and then the concrete slump cylinder 2 is raised and lifted up to a height of about 300mm. The telescopic rod stops, and the concrete expands on the slump expansion annular test plate 8 under the action of gravity. After the control switch 5 is turned on, while the concrete flows on the slump expansion ring test plate 8 under the action of gravity, the test assembly 10 starts timing. When the expansion reaches 500mm, the electronic test device stops timing, and the LED alerts Light 7 starts flashing red to remind testers to record timing data. During the flow of concrete under the action of gravity, the infrared distance measuring sensor 4 measures the distance from the sensor to the edge of the concrete, and the data of the sensors on both sides are processed by the test component 10 to display the extent of expansion. After the concrete stops flowing, the entire filling test is completed by closing the control switch 5, and then the test assembly 10 displays the final degree of expansion value.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A self-compacting concrete filling test device, comprising a concrete slump cylinder, characterized in that: also comprising a drive mechanism for driving the concrete slump cylinder to rise and fall, a A slump expansion test plate, a distance measuring assembly provided at the edge of the slump expansion test plate, and a test assembly for timing and displaying data measured by the distance measuring assembly, the distance measuring assembly and the The driving mechanisms are all connected with the test assembly through wires. 2. A self-compacting concrete filling test device according to claim 1, wherein the driving mechanism comprises a fixed connection frame for fixing the concrete slump cylinder and a fixed connection for driving the fixed connection A telescopic rod that lifts the rack, the telescopic rod is connected to the test assembly through a wire. 3 . The self-compacting concrete filling test device according to claim 2 , further comprising a base, and the telescopic rod is arranged on the base. 4 . 4 . The self-compacting concrete filling test device according to claim 3 , wherein the slump expansion test plate is arranged on the base. 5 . 5 . The self-compacting concrete filling test device according to claim 1 , wherein the slump expansion test plate has a ring scale for measuring expansion. 6 . 6 . A self-compacting concrete filling test device according to claim 1 , wherein the distance measuring component comprises an infrared distance measuring sensor, and there are multiple infrared distance measuring sensors, and each of the infrared distance measuring sensors Distance sensors are arranged at the edges of the slump expansion test board in different directions. 7 . The self-compacting concrete filling test device according to claim 1 , further comprising a warning light for warning, and the warning light is connected with the test component through a wire. 8 . 8 . The self-compacting concrete filling test device according to claim 1 , further comprising a control switch, and the control switch controls the lifting action of the driving mechanism. 9 . 9 . The self-compacting concrete filling test device according to claim 1 , wherein the concrete slump cylinder is a truncated cone-shaped structure, and the large-diameter end face of the truncated cone-shaped structure falls on the slump expansion. 10 . degree test board. 10 . The self-compacting concrete filling test device according to claim 2 , wherein there are two telescopic rods, and the two telescopic rods are respectively arranged at an opposite corner of the fixed connection frame. 11 . .

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