CN205138969U - Test device of semi -automatization soil capillary rising degree on water and speed - Google Patents

Abstract

The semi-automatic test device for the rising height and rate of soil capillary water belongs to the technical field of hydrogeology, and aims to solve the problems of low test efficiency and complex structure existing in the prior art. The utility model comprises a plexiglass panel, a plexiglass tube, a scale bar, a water tank and a water supply bucket; the side wall of the water supply bucket is provided with an L-shaped exhaust pipe and an L-shaped water supply pipe. One end is set in the water supply bucket, the outlet of the other end is set in the water tank, the exhaust pipe is located above the water supply pipe as a whole; the plexiglass panel is vertically placed in the water tank, and the scale bar is pasted on the water tank. On the plexiglass panel, the scale bar gradually becomes larger from bottom to top, and the zero scale position of the scale bar is flush with the exit position of the exhaust pipe. A plurality of the plexiglass tubes are fixed on the plexiglass On the panel, the lower end of the plexiglass tube is set in the water tank.

Description

Semi-automatic test device for soil capillary water rise height and rate

technical field

The utility model belongs to the technical field of hydrogeology, in particular to a semi-automatic test device for the rising height and rate of soil capillary water.

Background technique

In the study of capillary water, the most important index is the maximum rising height of capillary water. This index plays an important role in the causes of soil salinization, judging the possibility of buildings being infiltrated, and estimating the necessary lowering depth of groundwater. effect.

In the prior art, testing the rising height and rate of capillary water of soil samples is mostly done in the laboratory, and the vertical pipe method is mostly used in the laboratory. In previous experiments, in order to keep the water level in the water tank constant, the experimental device often used a water supply bottle equipped with a control valve to supply water to the water tank through a rubber hose. There was an overflow plate in the water tank. Overflow tank for drain outlet. In the past, the device was cumbersome. In order to keep the water level in the water tank constant during the test, it was necessary to ensure that there was always water in the water supply bottle. In addition, due to the long test time, the design of the overflow plate caused serious water waste during the test.

Utility model content

The purpose of this utility model is to propose a semi-automatic soil capillary water rising height and rate test device, which solves the problems of low test efficiency and complex structure in the prior art, and simultaneously tests the capillary water rising height and rate of various soil samples. carry out testing.

In order to achieve the above object, the test device of the semi-automatic soil capillary water rising height and rate of the present utility model comprises a plexiglass panel, a plexiglass tube, a scale bar, a water tank and a water supply bucket;

The side wall of the water supply bucket is provided with an L-shaped exhaust pipe and an L-shaped water supply pipe. One end of the exhaust pipe and the water supply pipe is arranged in the water supply bucket, and the outlet of the other end is arranged in the water tank. The exhaust pipe is located above the water supply pipe as a whole;

The plexiglass panel is vertically placed in the water tank, the scale bar is pasted on the plexiglass panel, the scale bar gradually becomes larger from bottom to top, and the zero scale position of the scale bar is the same as the The outlets of the exhaust pipes are in the same position, and a plurality of the plexiglass tubes are fixed on the plexiglass panel, and the lower ends of the plexiglass tubes are arranged in the water tank.

The plexiglass panel is integrated with a side wall of the water tank.

The scale bar is a strip of paper marked with a scale, the scale bar is pasted on the outside of the plexiglass panel, and the side marked with the scale is attached to the plexiglass panel.

The water tank is a plexiglass water tank.

The plexiglass tube is fixed on the plexiglass panel specifically as follows: on the plexiglass panel, a plurality of groups of through holes are evenly arranged in the vertical direction at positions corresponding to the plexiglass tube, and the organic glass tube is fixed through the through holes through the straps. Tube fixation.

The upper end of the water supply bucket is provided with a bucket cover.

The lower end of the plexiglass tube is provided with a base, the base is cylindrical, and the side wall is provided with a plurality of water inlets, the vertical height of the water inlets is lower than the position of the outlet of the exhaust pipe, and the base and The plexiglass tubes have the same radius, and a water-permeable plate is arranged at the contact between the base and the plexiglass tubes.

The beneficial effects of the utility model are as follows: when the experiment of the semi-automatic soil capillary water rising height and rate test device of the utility model starts, after the water bucket is filled with water and the cover is tightened, when the water level in the water tank is lower than the outlet of the exhaust pipe position, the water supply bucket can automatically fill the water tank through the water supply pipe, and when the water level in the water tank is at the same level as the outlet of the exhaust pipe, the water supply bucket will automatically stop supplying water to the water tank. This process is automatically completed by using the principle of the connector until the water level in the feed bucket is lower than the position of the exhaust pipe. The plexiglass panel of the utility model can fix a corresponding number of plexiglass tubes according to the amount of soil to be measured, which realizes the purpose of measuring multiple soil samples at the same time, and has high measurement efficiency. Compared with the previous experimental device, the structure is simple and extremely large It simplifies the experimental steps of capillary water rising height and rate, and solves the problem of keeping the water level constant in the tank.

Description of drawings

Fig. 1 is the test device structure schematic diagram of semi-automated soil capillary water rising height and speed of the utility model;

Fig. 2 is the plexiglass tube structure schematic diagram in the test device of semiautomatic soil capillary water rising height and speed of the utility model;

Fig. 3 is the structural representation of the bucket in the semi-automatic soil capillary water rising height and rate of the utility model;

Among them: 1. Plexiglass panel, 101, through hole, 2, plexiglass tube, 201, strap, 202, permeable plate, 203, base, 204, water inlet, 3, scale bar, 4, sink, 5, supply Bucket, 501, bucket cover, 502, exhaust pipe, 503, water supply pipe.

detailed description

Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

Referring to accompanying drawing 1, the test device of semiautomatic soil capillary water rising height and rate of the present utility model comprises organic glass panel 1, organic glass tube 2, scale bar 3, water tank 4 and water supply bucket 5;

Referring to accompanying drawing 3, described water supply bucket 5 sidewalls are provided with L-shaped exhaust pipe 502 and L-shaped water supply pipe 503, and one end of described exhaust pipe 502 and water supply pipe 503 is arranged in water supply bucket 5, and the other end The outlet of the outlet is arranged in the water tank 4, and the exhaust pipe 502 is located above the water supply pipe 503 as a whole;

The plexiglass panel 1 is vertically placed in the water tank 4, the scale bar 3 is pasted on the plexiglass panel 1, and the scale bar 3 gradually becomes larger from bottom to top. The zero scale position is flush with the exit position of the exhaust pipe 502 , a plurality of the plexiglass tubes 2 are fixed on the plexiglass panel 1 , and the lower ends of the plexiglass tubes 2 are arranged in the water tank 4 .

The plexiglass panel 1 is integrated with a side wall of the water tank 4 .

The scale bar 3 is a strip of paper marked with a scale. The scale bar is pasted on the outside of the plexiglass panel 1 , and the side marked with the scale is attached to the plexiglass panel 1 .

Described water tank 4 is organic glass water tank 4.

The plexiglass tube 2 is fixed on the plexiglass panel 1 specifically: a plurality of groups of through holes 101 are uniformly arranged in the vertical direction on the plexiglass panel 1 corresponding to the plexiglass tube 2, and are passed through by straps 201. The through hole 101 realizes the fixing of the organic glass tube 2 .

The upper end of the water supply bucket 5 is provided with a bucket cover 501 . The sealing of the water bucket 5 is realized by the bucket cover 501 .

Referring to accompanying drawing 2, described plexiglass tube 2 lower end is provided with base 203, and described base 203 is cylindrical, and side wall has a plurality of water inlets 204, and the height of described water inlets 204 vertical direction is lower than described row. At the position of the outlet of the air pipe 502, the radius of the base 203 is equal to that of the plexiglass tube 2 , and a water-permeable plate 202 is provided at the contact between the base 203 and the plexiglass tube 2 .

The concrete process that adopts test device of the present utility model to test is:

Put the air-dried soil sample into the plexiglass tube 2 several times in small amounts, tamp lightly with a tamping rod during the filling process, so that the soil sample reaches the required density, and fix the plexiglass tube 2 with a disposable strap 201 On the plexiglass panel 1, the plexiglass tube 2 bottom is supported by the base 203, and the water supply bucket 5 is filled with water, so that the outlet of the exhaust pipe 502 and the water supply pipe 503 is placed in the plexiglass water tank 4, and the organic glass water tank 4 Inject water to make the water level equal to the exit position of the exhaust pipe 502. At the same time interval, record the scale value on the long strip of paper marked with the scale corresponding to the darkened soil sample in the plexiglass tube 2, and draw the capillary The relationship between the rising height of water and time is used to calculate the rising height rate of capillary water, and the maximum rising height of capillary water is obtained after the test.

According to the needs of the experiment, the quantity of organic glass tubes 2 can be added appropriately.

Claims (7)

1. the test unit of semi-automatic capillary soil water climbing height and speed, it is characterized in that, comprise perspex panels (1), plexi-glass tubular (2), scale strip (3), tank (4) and supply barrel (5);

Described supply barrel (5) sidewall is provided with the gas outlet (502) of L shape and the feed pipe (503) of L shape, one end of described gas outlet (502) and feed pipe (503) is arranged in supply barrel (5), the outlet of the other end is arranged in described tank (4), and described gas outlet (502) entirety is positioned at feed pipe (503) top;

Described perspex panels (1) is vertically placed in described tank (4), described scale strip (3) is pasted onto on described perspex panels (1), described scale strip (3) from the bottom to top scale becomes large gradually, the zero graduation position of described scale strip (3) is concordant with described gas outlet (502) exit position, multiple described plexi-glass tubular (2) is fixed on described perspex panels (1), and described plexi-glass tubular (2) lower end is arranged in described tank (4).

2. the test unit of semi-automatic capillary soil water climbing height according to claim 1 and speed, is characterized in that, described perspex panels (1) is structure as a whole with a sidewall of described tank (4).

3. the test unit of semi-automatic capillary soil water climbing height according to claim 1 and 2 and speed, it is characterized in that, described scale strip (3) is the graduated strip paper of mark, described scale strip is pasted onto the outside of described perspex panels (1), marks graduated one side and fits with described perspex panels (1).

4. the test unit of semi-automatic capillary soil water climbing height according to claim 1 and speed, is characterized in that, described tank (4) is organic glass tank.

5. the test unit of semi-automatic capillary soil water climbing height according to claim 1 and speed, it is characterized in that, described plexi-glass tubular (2) is fixed on described perspex panels (1) and is specially: upper being evenly provided with plexi-glass tubular (2) opposite position place vertical direction of perspex panels (1) organizes through hole (101) more, by bandage (201) through through hole (101) realization fixing plexi-glass tubular (2).

6. the test unit of semi-automatic capillary soil water climbing height according to claim 1 and speed, is characterized in that, described supply barrel (5) upper end is provided with bung (501).

7. the test unit of semi-automatic capillary soil water climbing height according to claim 1 and speed, it is characterized in that, described plexi-glass tubular (2) lower end is provided with base (203), described base (203) is for cylindric, sidewall has multiple water inlet (204), the position that the height of described water inlet (204) vertical direction exports lower than described gas outlet (502), described base (203) is equal with described plexi-glass tubular (2) radius, described base (203) and described plexi-glass tubular (2) contact position are provided with porous disc (202).