CN216957273U - Simulation device is collected to rainfall runoff in city - Google Patents

Abstract

The utility model discloses a city rainfall runoff collection simulation device which comprises a sand table main body (1), wherein a plurality of module plates (11) are arranged at the upper end of the sand table main body (1), a water diversion plate (2) is arranged in the sand table main body (1), water collection side ditches (3) are arranged at the bottom of the sand table main body (1) and on two sides close to the water diversion plate (2), a water collection main groove (4) is arranged at the bottom of the sand table main body (1) and communicated with the water collection side ditches (3), a water outlet pipe (5) is arranged on the outer side of the sand table main body (1), the water outlet pipe (5) is communicated with the water collection main groove (4), and a runoff main storage tank (6) is arranged below the sand table main body (1) and close to the water outlet pipe (5). The method can effectively simulate the influence of different types of subsurface bedding surfaces on urban runoff during urban rainfall, so that learners can know the influence more intuitively and the teaching effect is improved.

Description

Simulation device is collected to rainfall runoff in city

Technical Field

The utility model relates to the field of teaching aids, in particular to a city rainfall runoff collection simulation device.

Background

In order to reduce the influence of rainfall runoff on urban inland inundation, a series of sponge city construction projects are developed in numerous test-point cities by the nation, and certain effect is achieved. At present, more researches on sponge cities are carried out by higher schools and scientific research institutes, and mainly aims at researching the influence of rainfall on runoff and water quality on different underlying surfaces in cities, so that on-site investigation and sampling test are needed, and simulation analysis is needed by using a model. However, the development of field investigation and sampling analysis not only consumes time and labor, but also cannot meet the requirements of environment protection, ecology and other students who are specialized in learning, and the teaching effect is difficult to guarantee by direct field sampling. Therefore, designing a set of rainfall collecting sand table device simulating different landform characteristics of a city becomes an urgent problem to be solved in the industry.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a city rainfall runoff collection simulation device. The method can effectively simulate the influence of different types of subsurface bedding surfaces on the urban runoff during the urban rainfall, so that learners can know the influence more intuitively, and the teaching effect is improved.

The technical scheme of the utility model is as follows: a city rainfall runoff collection simulation device comprises a sand table main body, wherein a plurality of module plates are arranged at the upper end of the sand table main body, a water distribution plate is arranged in the sand table main body, water collection side ditches are arranged at the bottom of the sand table main body and close to two sides of the water distribution plate, a water collection main tank is arranged at the bottom of the sand table main body and communicated with the water collection side ditches, a water outlet pipe is arranged at the outer side of the sand table main body and communicated with the water collection main tank, and a runoff main storage tank is arranged below the sand table main body and close to the water outlet pipe; the upper end edge of sand table main part is equipped with the couple, is equipped with the mother board that has the net hole in the sand table main part, and the plane height of mother board is less than the upper end height of sand table main part, and the both sides of mother board are equipped with the hangers, and the hangers sets up on the couple, is equipped with a plurality of embedded holes on the mother board the module board setting on the mother board, the lower part of module board is equipped with the protruding grain of a plurality of cylinders, during the protruding grain card of cylinder goes into the embedded hole, the lower part of sand table main part is equipped with supports adjustment mechanism.

In the above device for simulating urban rainfall runoff collection, a plurality of micro flowmeters are arranged in the catchment side ditch.

In the above-mentioned analogue means is collected to urban rainfall runoff, the water collecting header tank be the v-shaped column structure.

In the above-mentioned analogue means is collected to urban rainfall runoff, support adjustment mechanism including setting up the fixed stabilizer blade in sand table main part lower part, lower part one side of sand table main part articulates there is scalable stabilizer blade.

In the urban rainfall runoff collection simulation device, the fixed support legs and the telescopic support legs are provided with the movable pulleys, and the movable pulleys are provided with the fastening pedals.

Compared with the prior art, the utility model has the following advantages:

1. in the utility model, a template is placed at the upper end of a sand table main body, hanging lugs of the template are hung on a hook to complete the arrangement of a mother board, a plurality of module boards are placed on the mother board, a plurality of cylindrical convex grains are arranged at the lower parts of the module boards, the cylindrical convex grains are embedded in an embedded hole, clear water is sprayed above the module boards so as to simulate rainfall, the clear water permeates through the module boards, the bottom of each water flow module board drops on the mother board and then drops on a water distribution board through a plurality of grid holes on the mother board, the running water flows to a water collection side ditch through the water distribution board, the running water in the water collection side ditch intensively flows to a water collection main tank, finally the running water flows into a runoff main storage tank from a water outlet pipe, soil samples in each module board are different, the internal structure of the module boards simulates the underlying surface of a city, the running water amount flowing into the runoff main storage tank is observed, the final water amount is observed through rainfall on each module board, and the influence of the rainfall on different soil qualities is favorably analyzed, the learner can know more intuitively, and the teaching effect is improved.

2. The water collecting side ditch is internally provided with a plurality of micro flowmeters for measuring the total fluid amount in the water collecting side ditch at a selected time interval and collecting corresponding data so as to be better analyzed.

3. The water collecting main tank is of a v-shaped structure, water flows on two sides flow into the main tank quickly, the water is discharged conveniently and quickly, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the sand table main body;

FIG. 3 is a schematic diagram of a motherboard;

fig. 4 is a schematic view of a module board.

Description of the reference symbols in the drawings: 1-a sand table main body, 2-a water distribution plate, 3-a water collection side ditch, 4-a water collection main groove, 5-a water outlet pipe, 6-a runoff main storage tank, 7-a hook, 8-a mother plate, 9-a hanging lug, 10-an embedded hole, 11-a module plate, 12-a cylindrical convex particle, 14-a support adjusting mechanism, 15-a micro flow meter, 17-a fixed supporting leg, 18-a telescopic supporting leg, 19-a movable pulley, 20-a fastening pedal and 21-a water outlet hole.

Detailed Description

The utility model is further illustrated by the following figures and examples, but is not to be construed as being limited thereto.

Example (b): a city rainfall runoff collection simulation device is shown in figure 1 and comprises a sand table main body 1, a water diversion plate 2 is arranged in the sand table main body 1, the water diversion plate is of a herringbone structure, water collection side ditches 3 are arranged at the bottom of the sand table main body 1 and on two sides close to the water diversion plate 2, as shown in figure 2, a plurality of micro flowmeters 15 are arranged in the water collection side ditches 3 and are provided with upper and lower trisections of the water collection side ditches for measuring the total fluid amount in the water collection side ditches at a selected time interval and collecting corresponding data so as to be better analyzed, a water collection main groove 4 is arranged at the bottom of the sand table main body 1 and communicated with the water collection side ditches 3, the water collection main groove 4 is of a v-shaped structure, water flows on two sides quickly flow into the main groove, the rapid discharge is convenient, the working efficiency is improved, the length of the sand table main body is 2-3 meters, and the width of the sand table main body is 1.5-2 meters, a water outlet pipe 5 is arranged on the outer side of the sand table main body 1, the water outlet pipe 5 is communicated with a water collecting main tank 4, a runoff main storage tank 6 is arranged below the sand table main body 1 and close to the water outlet pipe 5, a plurality of side seepage holes 16 are formed in two sides of the upper end of the sand table main body 1, excessive water flow is prevented from flowing out of the side part of the sand table main body when precipitation is simulated, and an overflow recovery effect is achieved; the sand table comprises a sand table main body 1, a hook 7 is arranged at the edge of the upper end of the sand table main body 1, a mother plate 8 is arranged on the sand table main body 1, the plane height of the mother plate 8 is lower than that of the upper end of the sand table main body 1, when excessive water flows out from the side of the plate body and then flows into the sand table main body to avoid flowing out of the sand table main body, the mother plate is made of organic glass material, one side of the mother plate 8 is provided with a hanging lug 9, as shown in figure 3, the hanging lug 9 is arranged on the hook 7, the mother plate 8 is provided with a plurality of embedded holes 10, the diameters of the embedded holes are 1-3 cm, the distance between the front side and the rear side and the left side of the embedded holes is 10-15 cm, the mother plate 8 is provided with a plurality of module plates 11 which have various different styles, not only house modules, tree modules and road sewer modules are arranged, the plate body of each module is internally provided with an equal drainage structure, the module plates are used for simulating the underlying surfaces of different cities, the underlying surfaces refer to the earth surface in direct contact with the lower layer of the atmosphere, the property and shape of the lower cushion surface have obvious influence on the heat, moisture, cleanliness and movement condition of the atmosphere, and play an important role in the formation process of the climate, and the module plate comprises models which are pre-manufactured into road surfaces, buildings, ecological grass ditches, riverways and the like, in the utility model, the internal soil structure of each plate is different, the bottom of the module plate is provided with a plurality of water outlets 21, when the module plate is placed on a mother plate, water flows out of the water outlets through the permeation of the module plate and enters the mother plate, the mother plate is of a grid structure, the water flows into the sand table main body through the grid holes, and the holes are self-contained structures of the module plate; the lower part of module board 11 is equipped with a plurality of cylinder protruding grain 12, the diameter of cylinder protruding grain is 1.0 to 2.0cm, and high 1.0 to 2.0cm, and cylinder protruding grain 12 blocks in going into embedded hole 10, as shown in fig. 4, the lower part of sand table main part 1 is equipped with supports adjustment mechanism 14, support adjustment mechanism 14 including setting up fixed stabilizer blade 17 in the lower part of sand table main part 1, the articulated scalable stabilizer blade 18 that has in lower part one side of sand table main part 1, scalable stabilizer blade adopts hydraulic pressure lift, the lateral part of stabilizer blade is equipped with the hydraulic stem, increases or reduces the angle of inclination of sand table main part through pulse or continuous trampling mode, the scope of angle of inclination is 0 to 15, fixed stabilizer blade 17 and scalable stabilizer blade 18 on be equipped with movable pulley 19, be equipped with fastening footboard 20 on the movable pulley 19.

The working principle of the utility model is as follows: placing a template on the upper end of a sand table main body, hanging lugs of the template on a hook to complete the setting of a mother board, placing a plurality of module boards on the mother board, arranging a plurality of cylindrical convex grains on the lower parts of the module boards, embedding the cylindrical convex grains in embedded holes, spraying clear water above the module boards so as to simulate rainfall, permeating through the module boards, dripping the bottoms of the water flow module boards on the mother board, further dripping on a water diversion board through a plurality of grid holes on the mother board, leading the flowing water to flow to a water collecting side ditch through the water diversion board, leading the flowing water in the water collecting side ditch to flow to a water collecting main groove in a concentrated manner, finally leading the flowing water to flow into a runoff main storage tank from a water outlet pipe, leading soil samples in each module board to be different, simulating the underlying surface of a city by the internal structure of the module board, observing the flowing water quantity flowing into the runoff main storage tank, observing the final water quantity by means of rainfall on each module board, and being favorable for analyzing the influence of different soil quality on rainfall, the learner can know more intuitively, and the teaching effect is improved.

Claims (5)

1. The utility model provides a simulation device is collected to urban rainfall runoff, includes sand table main part (1), and sand table main part (1) upper end is equipped with a plurality of module boards (11), its characterized in that: a water distribution plate (2) is arranged in the sand table main body (1), water collection side ditches (3) are arranged at the bottom of the sand table main body (1) and on two sides close to the water distribution plate (2), a water collection main groove (4) is arranged at the bottom of the sand table main body (1) and communicated with the water collection side ditches (3), a water outlet pipe (5) is arranged on the outer side of the sand table main body (1), the water outlet pipe (5) is communicated with the water collection main groove (4), and a main runoff storage tank (6) is arranged below the sand table main body (1) and close to the water outlet pipe (5); the upper end edge of sand table main part (1) is equipped with couple (7), is equipped with mother board (8) that have the net hole on sand table main part (1), and the plane height of mother board (8) is less than the upper end height of sand table main part (1), and the both sides of mother board (8) are equipped with hangers (9), and hangers (9) set up on couple (7), are equipped with a plurality of interior holes (10) of inlaying on mother board (8), module board (11) set up on mother board (8), and the lower part of module board (11) is equipped with a plurality of protruding grains of cylinder (12), and the protruding grain of cylinder (12) card is gone into in inlaying hole (10), the lower part of sand table main part (1) is equipped with and supports adjustment mechanism (14).

2. The municipal rainfall runoff collection simulation apparatus of claim 1, wherein: a plurality of micro flowmeters (15) are arranged in the water collecting side ditch (3).

3. The municipal rainfall runoff collection simulation apparatus of claim 1, wherein: the water collecting main groove (4) is of a v-shaped structure.

4. The municipal rainfall runoff collection simulation apparatus of claim 1, wherein: the supporting and adjusting mechanism (14) comprises fixed support legs (17) arranged at the lower part of the sand table main body (1), and one side of the lower part of the sand table main body (1) is hinged with a telescopic support leg (18).

5. The municipal rainfall runoff collection simulation apparatus of claim 4, wherein: the fixed supporting legs (17) and the telescopic supporting legs (18) are provided with movable pulleys (19), and the movable pulleys (19) are provided with fastening pedals (20).

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