CN210803229U - Sponge urban road material dry-wet cycle contrast test device - Google Patents

Abstract

The utility model discloses a sponge urban road material is wet circulation contrast test device futilely, including the proof box, the proof box lower extreme is from a left side to the right side first water tank of fixedly connected with and second water tank in proper order, and the equal fixedly connected with water pump on first water tank and the second water tank, the water pump delivery port passes through water pipe and proof box interconnect, both ends fixedly connected with circulating pipe about the proof box, two sets of rose boxes of circulating pipe lower extreme fixedly connected with, the inside bottom fixedly connected with moisture content detection device of proof box, and proof box upper end swing joint has the case lid. This sponge urban road material is wet circulation contrast test device futilely, make the device can reach the contrast test under two sets of devices same environment and the same material contrast test of different environment to conveniently reacing more accurate data, and increased the experimental variable, thereby conveniently carry out different contrast tests and increased the device practicality.

Description

Dry-wet cycle comparison test device for sponge city road materials

technical field

The utility model relates to the technical field of sponge cities, in particular to a dry-wet cycle comparison test device for road materials in sponge cities.

Background technique

The construction of a sponge city is not to replace the traditional drainage system, but to reduce the burden and supplement the traditional drainage system, and maximize the role of the city itself. In the process of sponge city construction, natural precipitation, surface The systematic nature of water and groundwater, coordination of water supply, drainage and other aspects of water recycling, and considering its complexity and long-term nature.

The reference application number is 201821274964.5 of the sponge city road material dry-wet cycle test device. This patent can accurately detect the moisture content inside the road material test piece, and avoid the impact of the internal installation of the detection device on the strength test, but it cannot be used for the two groups. Materials are experimented with controlled variable method, which reduces the diversity of experiments.

Referring to an electromagnetically driven road material scouring test device with application number 201510679931.3, this patent can simulate the scouring effect of dynamic water on the base material, and can simulate the scouring and pumping effect of dynamic water on the surface layer material, but the patent lacks By comparison experiments, it is impossible to determine that the material will produce different changes in different environments.

Utility model content

The purpose of this utility model is to provide a dry-wet cycle comparison test device for sponge city road materials, so as to solve the problem that the test device proposed in the above-mentioned background technology cannot perform the experiment of the control variable method on two groups of materials, reduces the diversity of experiments, and lacks comparative experiments at the same time. , it is impossible to determine the problem that the material will change differently in different environments.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a sponge city road material dry-wet cycle comparison test device, including a test box, the lower end of the test box is fixedly connected with a first water tank and a second water tank sequentially from left to right, and The upper ends of the first water tank and the second water tank are fixedly connected with a water pump, the water outlet of the water pump is connected with the test box through a water pipe, the left and right ends of the test box are fixedly connected with a circulation pipe, and the lower end of the circulation pipe is fixedly connected with two groups of The lower ends of the two groups of filter boxes are respectively connected with the first water tank and the second water tank, the inner bottom end of the test box is fixedly connected with a moisture content detection device, and the upper end of the test box is movably connected with a box cover.

Preferably, the specifications of the first water tank and the second water tank are the same, and the connection structure of the inside of the first water tank and the second water tank is the same as that of the test box.

Preferably, a first filter component is arranged inside the filter box at the upper end of the first water tank, and the first filter component is a two-layer filter cloth sandwiched with activated carbon structure, and a second filter component is arranged inside the second water tank, and the second filter component is The filter assembly is a double-layer filter yarn structure.

Preferably, the moisture content detection device is symmetrically distributed in two groups about the vertical center line of the test box, and the moisture content detection device includes a lower permeable stone, and the upper end of the lower permeable stone is fixedly connected with a positioning mold, and the positioning mold is movably connected inside There is an upper permeable stone, and a pressing block with a dial indicator is fixedly connected to the upper end of the upper permeable stone.

Preferably, a sealing groove is opened inside the test box, a partition is detachably connected to the inside of the test box, a sealing strip is fixedly connected to the outside of the partition, and the sealing strip is adapted to the sealing groove, and the upper end of the partition is When the test box is on the same horizontal line, the sealing strip and the sealing groove are engaged with each other.

Preferably, symmetrically distributed observation windows are fixedly connected to the front end of the test box, and both ends of the observation windows are not in contact with the outside of the sealing groove, and the rear end of the test box is provided with symmetrically distributed blowers.

Compared with the prior art, the beneficial effect of the present utility model is: the dry-wet cycle comparison test device of the sponge city road material, by adding a group of water tanks at the lower end of the test box, so that the test box is connected with the two groups of water tanks at the same time, Water with different acidity and alkalinity is added to the water tank to control the immersion environment of the material, so that it is convenient to know the life of the material in different cities, which increases the diversity of experiments. The partition can be removed at will, so that the device can achieve the comparison test of two groups of devices under the same environment and the same material comparison test in different environments, so as to easily obtain more accurate data, and filter the circulating water through the filter box, thereby preventing. Changes in water quality have an impact on experiments, and the device increases experimental variables and facilitates different comparative experiments, thereby increasing the practicability of the device.

Description of drawings

1 is a schematic diagram of the three-dimensional structure of the present utility model;

2 is a schematic diagram of the internal structure of the utility model;

Figure 3 is a schematic diagram of the split structure of the separator of the present invention.

In the figure: 1. Test box; 2. The first water tank; 3. The second water tank; 4. The water pump; 5. The circulation pipe; 6. The filter box; 7. The moisture content detection device; filter assembly; 10, second filter assembly; 11, sealing groove; 12, partition plate; 13, sealing strip; 14, observation window; 15, blower; 701, lower permeable stone; 702, positioning mold; 703, upper permeable stone ; 704, briquetting.

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 FIGS. 1-3 , the present utility model provides a technical solution: a dry-wet cycle comparison test device for sponge city road materials, including a test box 1, the lower end of the test box 1 is sequentially fixedly connected with a first water tank 2 and a second water tank from left to right. Two water tanks 3, and the upper ends of the first water tank 2 and the second water tank 3 are fixedly connected with a water pump 4, the water outlet of the water pump 4 is connected to the test box 1 through a water pipe, and the left and right ends of the test box 1 are fixedly connected with a circulation pipe 5. The circulation pipe 5. Two groups of filter boxes 6 are fixedly connected to the lower end, and the lower ends of the two groups of filter boxes 6 are respectively connected with the first water tank 2 and the second water tank 3. The inner bottom end of the test box 1 is fixedly connected with a moisture content detection device 7, and the test box The upper end of 1 is movably connected with a box cover 8 .

Further, the first water tank 2 and the second water tank 3 have the same specifications, and the interior of the first water tank 2 and the second water tank 3 have the same connection structure as the test box 1. The two groups of water tanks can prevent water with different pH levels, so that the device can measure the material. What kind of lifespan will it have under different rainwater immersion, which increases the diversity of device experiments.

Further, a first filter assembly 9 is arranged inside the filter box 6 at the upper end of the first water tank 2, and the first filter assembly 9 is a two-layer filter cloth sandwiched with activated carbon structure, and a second filter assembly 10 is arranged inside the second water tank 3, and The second filter assembly 10 is a double-layer filter yarn structure. The first filter assembly 9 can be used to filter ordinary water, reduce impurities in the water, and maintain the purity of the water. The second filter assembly 10 can be used to filter water with pH. , only to prevent impurities in the water, without changing the pH of the water.

Further, the moisture content detection device 7 is symmetrically distributed in two groups with respect to the vertical center line of the test box 1, and the moisture content detection device 7 includes a lower permeable stone 701, and the upper end of the lower permeable stone 701 is fixedly connected with a positioning mold 702, and positioned. The upper permeable stone 703 is movably connected inside the mold 702, and the upper end of the upper permeable stone 703 is fixedly connected with a pressure block 704 with a dial indicator. moisture content, and the two sets of moisture content detection devices 7 are convenient to carry out comparative tests on the whole.

Further, a sealing groove 11 is provided inside the test box 1, and a partition 12 is detachably connected to the inside of the test box 1, and a sealing strip 13 is fixedly connected to the outer side of the partition 12, and the sealing strip 13 is adapted to the sealing groove 11, and When the upper end of the plate 12 and the test box 1 are on the same horizontal line, the sealing strip 13 and the sealing groove 11 are engaged with each other. The inner area is divided so that the device can carry out comparative experiments on the same material in different experimental environments.

Further, the front end of the test box 1 is fixedly connected with symmetrically distributed observation windows 14, and both ends of the observation window 14 are not in contact with the outside of the sealing groove 11. The rear end of the test box 1 is provided with symmetrically distributed blowers 15. The observation windows 14 can The experimental process is observed, which is convenient for the experiment to be carried out, and at the same time, the blower 15 can dry the interior, so as to facilitate the obtaining of the experimental results.

Working principle: First, place materials of the same size and material in the positioning mold 702, and insert the partition plate 12 into the sealing groove 11, so that the sealing strip 13 and the sealing groove 11 are engaged with each other to separate the two ends. Add water of different pH to the first water tank 2 and the second water tank 3, then close the box cover 8, and control the two groups of water pumps 4 to discharge the water in the first water tank 2 and the second water tank 3 into the test box 1 to make the material sufficient The water is saturated, and then the test box 1 is discharged through the circulation pipe 5. The first filter assembly 9 and the second filter assembly 10 in the filter box 6 filter the water respectively and discharge it into the first water tank 2 and the second water tank 3 respectively. For the effect of water circulation, turn on the blower 15 to dry the moisture. During the drying process, the material loses water and shrinks and is pressed down by the pressing block 704, and the water loss rate is measured. The result of the water loss rate of the material, similarly, the separator 12 can be removed, and different materials can be placed and filled with the same water, so as to measure the water loss rate of the different materials, which is convenient for the comparison test.

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 (6)

1. A dry-wet cycle comparison test device for sponge city road materials, including a test box (1), characterized in that: the lower end of the test box (1) is fixedly connected with a first water tank (2) and a second water tank in sequence from left to right (3), and the upper ends of the first water tank (2) and the second water tank (3) are fixedly connected with a water pump (4), and the water outlet of the water pump (4) is connected to the test box (1) through a water pipe. The left and right ends of the box (1) are fixedly connected with circulation pipes (5), the lower ends of the circulation pipes (5) are fixedly connected with two groups of filter boxes (6), and the lower ends of the two groups of filter boxes (6) are respectively connected with the first water tank ( 2) Connecting with the second water tank (3), the inner bottom end of the test box (1) is fixedly connected with a moisture content detection device (7), and the upper end of the test box (1) is movably connected with a box cover (8). 2. The dry-wet cycle comparison test device for sponge city road materials according to claim 1, characterized in that: the first water tank (2) and the second water tank (3) have the same specifications, and the first water tank (2) and the second water tank (3) have the same specifications. The connection structure of the second water tank (3) is the same as that of the test box (1). 3. The dry-wet cycle comparison test device for sponge city road materials according to claim 1, characterized in that: a first filter assembly (9) is provided inside the upper filter box (6) of the first water tank (2), and The first filter assembly (9) is a two-layer filter cloth sandwiching activated carbon structure, the second water tank (3) is provided with a second filter assembly (10) inside, and the second filter assembly (10) is a double-layer filter yarn structure . 4. The dry-wet cycle comparison test device for sponge city road materials according to claim 1, characterized in that: the moisture content detection device (7) is symmetrically distributed with respect to the vertical center line of the test box (1) in two groups, and the moisture content The rate detection device (7) includes a lower permeable stone (701) inside, and a positioning mold (702) is fixedly connected to the upper end of the lower permeable stone (701), and an upper permeable stone (703) is movably connected inside the positioning mold (702), And a pressing block (704) with a dial indicator is fixedly connected to the upper end of the upper permeable stone (703). 5. The dry-wet cycle comparison test device for sponge city road materials according to claim 1, characterized in that: the test box (1) is provided with a sealing groove (11) inside, and the test box (1) is detachably connected inside There is a partition (12), the outer side of the partition (12) is fixedly connected with a sealing strip (13), and the sealing strip (13) is adapted to the sealing groove (11), and the upper end of the partition (12) is connected to the test When the box (1) is on the same horizontal line, the sealing strip (13) and the sealing groove (11) are engaged with each other. 6. The dry-wet cycle comparison test device for sponge city road materials according to claim 5, characterized in that: the front end of the test box (1) is fixedly connected with symmetrically distributed observation windows (14), and the observation windows (14) The two ends are not in contact with the outside of the sealing groove (11), and the rear end of the test box (1) is provided with symmetrically distributed blowers (15).

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