CN204557907U - The adjustable soil erosion teaching demonstration device of a kind of rainfall intensity - Google Patents
The adjustable soil erosion teaching demonstration device of a kind of rainfall intensity Download PDFInfo
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- CN204557907U CN204557907U CN201520277598.9U CN201520277598U CN204557907U CN 204557907 U CN204557907 U CN 204557907U CN 201520277598 U CN201520277598 U CN 201520277598U CN 204557907 U CN204557907 U CN 204557907U
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Abstract
The utility model discloses the adjustable soil erosion teaching demonstration device of a kind of rainfall intensity, comprise the domatic and rainfall equipment of the domatic bracing frame of casing, rainfall equipment support, casing, domatic first casing identical by the gradient of casing is domatic and the second casing is domatic forms, the domatic lower end of first casing is provided with the first effluent trough, the below of the first effluent trough is provided with the first measuring cup, the domatic lower end of second casing is provided with the second effluent trough, and the below of the second effluent trough is provided with the second measuring cup; Rainfall equipment comprises and rainfall is dull and stereotyped, the first rainfall pipe with holes and the second rainfall pipe with holes, and the first valve and the second valve; First rainfall pipe with holes is connected with the first valve by the first connecting water pipe, and the second rainfall pipe with holes is connected with the second valve by the second connecting water pipe.The utility model structure is simple, realizes convenient and cost is low, uses easy to operate, can facilitate, image, intuitively demonstration rainfall intensity be to the influence degree of soil erosion situation.
Description
Technical field
The utility model belongs to physical geography teaching aid technical field, is specifically related to the adjustable soil erosion teaching demonstration device of a kind of rainfall intensity.
Background technology
On the one hand, along with college continuous development of the reform, various directly perceived, vivid teaching aid has played vital role, but in the teaching of current physical geography, due to geographical phenomenon, to relate to object more complicated, space scale is comparatively large, time scale simulation is more difficult, most natural and geographical factors are expressed and are subject to condition restriction, up to the present, the teaching aid of physical geography aspect is more rarely seen, seldom has successful experience with students.This just makes at physical geography classroom teaching, and often allow teachers' instruction difficulty increase, Students ' Learning gets up very abstract, indigestion.Only make full use of intuitively various in institution of higher education's physical geography teaching, vivid teaching aid just can make class efficacy inherently improve, only have by designing various convenient operation, be convenient to the teaching aid made, teacher just can be made to free from heavy theory explaination, attract the notice of student, expand the academic potential of student, physcial geographical process is demonstrated by teaching aid, make student's profound understanding knowwhy, open students ' visual field, inspire Students ' Innovative Thinking Ability, and then obtain good results of learning, to reach the effect that student easily grasps content that teacher awards.
On the other hand, soil erosion has reached very serious degree in the harm of China, not only destroys local ecologic environment and agricultural production conditions, and brings serious flood sediment disaster to downstream rivers.Soil erosion produces under the mutual interleaving effect of natural conditions and mankind's activity, and natural cause mainly comprises landform, landforms, weather, soil, vegetation etc.Human factor is field farming etc. mainly.How to adopt rational method to control soil erosion, become the problem in science needing solution badly.
In natural cause, rainfall intensity is the key factor affecting soil erosion, needs to set up soil and water losses area in bringing soil erosion under control research, must quantitative relationship between a clear and definite regional rainfall intensity and soil erosion; Therefore, if can have a kind of can image, the directly perceived rainfall intensity that discloses is to the study of the teaching demonstration device of soil erosion influence degree for the soil erosion of physical geography classroom teaching, the knowwhy of student's profound understanding soil erosion will be made on the one hand, reference is provided on the other hand by for student studies the method for controlling soil erosion, but, lack in prior art structure simple, realize convenient and cost is low, use easy to operate, practical can image, the rainfall intensity that discloses directly perceived is to the teaching demonstration device of soil erosion influence degree.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, there is provided a kind of rainfall intensity adjustable soil erosion teaching demonstration device, its structure is simple, realization is convenient and cost is low, use easy to operate, can facilitate physiogeographic Theory Course one's parents, vivid, demonstration rainfall intensity is to the influence degree of soil erosion situation intuitively, practical, result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the adjustable soil erosion teaching demonstration device of a kind of rainfall intensity, it is characterized in that: comprise the domatic bracing frame of casing and rainfall equipment support, and the domatic rainfall equipment with being arranged on rainfall device support top of the trellis of the casing being arranged on casing domatic bracing frame top; Domatic first casing identical by the gradient of described casing is domatic and the second casing is domatic forms, the domatic lower end of described first casing is provided with the first effluent trough, the below of described first effluent trough is provided with the first measuring cup, the domatic lower end of described second casing is provided with the second effluent trough, and the below of described second effluent trough is provided with the second measuring cup; Described rainfall equipment comprise the rainfall that is fixedly connected with rainfall device support top of the trellis dull and stereotyped, embeds to be arranged on rainfall flat board and to be positioned at many first rainfall pipes with holes evenly laid of the first domatic top of casing and embedding and to be arranged on rainfall flat board and many even the second rainfall pipes with holes laid being positioned at the second domatic top of casing, and for regulating the first valve of the rainfall intensity of many first rainfall pipes with holes and for regulating the second valve of the rainfall intensity of many second rainfall pipes with holes; The quantity of described first rainfall pipe with holes and the second rainfall pipe with holes is equal, described first rainfall pipe with holes is all identical with the size and number in the hole on the second rainfall pipe with holes, described first rainfall pipe with holes is connected with the first valve by the first connecting water pipe, and described second rainfall pipe with holes is connected with the second valve by the second connecting water pipe.
The adjustable soil erosion teaching demonstration device of above-mentioned a kind of rainfall intensity, it is characterized in that: described rainfall equipment comprises valve installation plate, described first valve and the second valve are installed on valve installation plate, described first rainfall pipe with holes is connected with the first valve by the first connecting water pipe through valve installation plate, and described second rainfall pipe with holes is connected with the second valve by the second connecting water pipe through valve installation plate.
The adjustable soil erosion teaching demonstration device of above-mentioned a kind of rainfall intensity, is characterized in that: the gradient that described first casing is domatic and the domatic gradient of the second casing are 20 ° ~ 80 °.
The adjustable soil erosion teaching demonstration device of above-mentioned a kind of rainfall intensity, is characterized in that: described rainfall equipment support is all fixedly connected with the second casing face toe with the first casing is domatic.
The adjustable soil erosion teaching demonstration device of above-mentioned a kind of rainfall intensity, is characterized in that: the quantity of described first rainfall pipe with holes and the second rainfall pipe with holes is two.
The utility model compared with prior art has the following advantages:
1, the utility model structure is simple, reasonable in design, and realization is convenient and cost is low.
2, use of the present utility model is easy to operate, can facilitate physiogeographic Theory Course one's parents, image, intuitively demonstrate rainfall intensity to the influence degree of soil erosion situation, can the observation ability of training student, students ' interest of study can be improved to a great extent again, abstract theory teaching is made to become vivid, teaching efficiency is significantly improved, the knowwhy of student's profound understanding soil erosion can be made, and reference can be provided for student studies the method for controlling soil erosion.
3, the utility model solves the problem simulating different rainfall intensity in soil erosion teaching demonstration device, practical, and result of use is good, is convenient to promote the use of.
In sum, the utility model structure is simple, and realization is convenient and cost is low, use easy to operate, can facilitate physiogeographic Theory Course one's parents, vivid, demonstration rainfall intensity is to the influence degree of soil erosion situation intuitively, practical, result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Description of reference numerals:
The domatic bracing frame of 1-casing; 2-rainfall equipment support; 3-the first effluent trough;
4-the first casing is domatic; 5-the second casing is domatic; 6-the second effluent trough;
7-the first measuring cup; 8-rainfall is dull and stereotyped; 9-the first valve;
10-the second valve; 11-the first rainfall pipe with holes; 12-the second rainfall pipe with holes;
13-the first connecting water pipe; 14-the second connecting water pipe; 15-valve installation plate;
16-the second measuring cup.
Embodiment
As shown in Figure 1, the utility model comprises the domatic bracing frame 1 of casing and rainfall equipment support 2, and the domatic rainfall equipment with being arranged on rainfall equipment support 2 top of the casing being arranged on casing domatic bracing frame 1 top; Domatic first casing domatic 4 identical by the gradient of described casing and the second casing domatic 5 form, the lower end of described first casing domatic 4 is provided with the first effluent trough 3, the below of described first effluent trough 3 is provided with the first measuring cup 7, the lower end of described second casing domatic 5 is provided with the second effluent trough 6, and the below of described second effluent trough 6 is provided with the second measuring cup 16; Described rainfall equipment comprise be fixedly connected with rainfall equipment support 2 top rainfall flat board 8, embed to be arranged on rainfall flat board 8 and to be positioned at above the first casing domatic 4 many first rainfall pipes 11 with holes evenly laid and to embed and be arranged on rainfall flat board 8 and many even the second rainfall pipes 12 with holes laid be positioned at above the second casing domatic 5, and for regulating the first valve 9 of the rainfall intensity of many first rainfall pipes 11 with holes and for regulating the second valve 10 of the rainfall intensity of many second rainfall pipes 12 with holes; The quantity of described first rainfall pipe 11 with holes and the second rainfall pipe 12 with holes is equal, described first rainfall pipe 11 with holes is all identical with the size and number in the hole on the second rainfall pipe 12 with holes, described first rainfall pipe 11 with holes is connected with the first valve 9 by the first connecting water pipe 13, and described second rainfall pipe 12 with holes is connected with the second valve 10 by the second connecting water pipe 14.
As shown in Figure 1, in the present embodiment, described rainfall equipment comprises valve installation plate 15, described first valve 9 and the second valve 10 are installed on valve installation plate 15, described first rainfall pipe 11 with holes is connected with the first valve 9 by the first connecting water pipe 13 through valve installation plate 15, and described second rainfall pipe 12 with holes is connected with the second valve 10 by the second connecting water pipe 14 through valve installation plate 15.
In the present embodiment, the gradient of described first casing domatic 4 and the gradient of the second casing domatic 5 are 20 ° ~ 80 °, are preferably 45 °.
As shown in Figure 1, in the present embodiment, described rainfall equipment support 2 and the first casing domatic 4 are all fixedly connected with bottom the second casing domatic 5.
As shown in Figure 1, in the present embodiment, the quantity of described first rainfall pipe 11 with holes and the second rainfall pipe 12 with holes is two.
When the utility model uses, first in the first casing domatic 4 and in the second casing domatic 5, the duplicate loess formation of quality is covered, then the first valve 9 and the second valve 10 are connected to same water swivel by water pipe, regulated the rainfall intensity size of the first rainfall pipe 11 with holes by the first valve 9 after turning on water swivel, and the rainfall intensity size of the second rainfall pipe 12 with holes is regulated by the second valve 10, the rain fall of simulation varying strength, at this moment occur with the soil erosion situation had in various degree in the second casing domatic 5 in the first casing domatic 4, after the simulated rainfall of certain hour, closed tap stops simulated rainfall, can be found by the water and soil scale observed in the first measuring cup 7 and the second measuring cup 16, the domatic interior soil erosion of the casing that rainfall intensity is large is more, the domatic interior soil erosion of the casing that rainfall intensity is little is less, thus can conclusion be obtained: under same uniform slope condition, the loess formation soil erosion intensity of identical quality is directly proportional to rainfall intensity.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (5)
1. the adjustable soil erosion teaching demonstration device of rainfall intensity, it is characterized in that: comprise the domatic bracing frame of casing (1) and rainfall equipment support (2), and the domatic rainfall equipment with being arranged on rainfall equipment support (2) top of the casing being arranged on the domatic bracing frame of casing (1) top, domatic first casing identical by the gradient of described casing domatic (4) and the second casing domatic (5) form, the lower end of described first casing domatic (4) is provided with the first effluent trough (3), the below of described first effluent trough (3) is provided with the first measuring cup (7), the lower end of described second casing domatic (5) is provided with the second effluent trough (6), and the below of described second effluent trough (6) is provided with the second measuring cup (16), described rainfall equipment comprises the rainfall flat board (8) be fixedly connected with rainfall equipment support (2) top, it is upper and be positioned at many first rainfall pipes (11) with holes of evenly laying of the first casing domatic (4) top and embedding to be arranged on rainfall flat board (8) upper and be positioned at the second rainfall pipes (12) with holes of many of the second casing domatic (5) top even layings that embedding is arranged on rainfall flat board (8), and for regulating first valve (9) of the rainfall intensity of many first rainfall pipes (11) with holes and for regulating second valve (10) of the rainfall intensity of many second rainfall pipes (12) with holes, the quantity of described first rainfall pipe (11) with holes and the second rainfall pipe (12) with holes is equal, described first rainfall pipe (11) with holes is all identical with the size and number in the hole on the second rainfall pipe (12) with holes, described first rainfall pipe (11) with holes is connected with the first valve (9) by the first connecting water pipe (13), and described second rainfall pipe (12) with holes is connected with the second valve (10) by the second connecting water pipe (14).
2. according to the adjustable soil erosion teaching demonstration device of a kind of rainfall intensity according to claim 1, it is characterized in that: described rainfall equipment comprises valve installation plate (15), described first valve (9) and the second valve (10) are installed on valve installation plate (15), described first rainfall pipe (11) with holes is connected with the first valve (9) by the first connecting water pipe (13) through valve installation plate (15), described second rainfall pipe (12) with holes is connected with the second valve (10) by the second connecting water pipe (14) through valve installation plate (15).
3. according to the adjustable soil erosion teaching demonstration device of a kind of rainfall intensity according to claim 1, it is characterized in that: the gradient of described first casing domatic (4) and the gradient of the second casing domatic (5) are 20 ° ~ 80 °.
4. according to the adjustable soil erosion teaching demonstration device of a kind of rainfall intensity according to claim 1, it is characterized in that: described rainfall equipment support (2) domatic with the first casing (4) domatic with the second casing (5) bottom is all fixedly connected with.
5. according to the adjustable soil erosion teaching demonstration device of a kind of rainfall intensity according to claim 1, it is characterized in that: the quantity of described first rainfall pipe (11) with holes and the second rainfall pipe (12) with holes is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520277598.9U CN204557907U (en) | 2015-04-30 | 2015-04-30 | The adjustable soil erosion teaching demonstration device of a kind of rainfall intensity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520277598.9U CN204557907U (en) | 2015-04-30 | 2015-04-30 | The adjustable soil erosion teaching demonstration device of a kind of rainfall intensity |
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| CN204557907U true CN204557907U (en) | 2015-08-12 |
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| CN201520277598.9U Expired - Fee Related CN204557907U (en) | 2015-04-30 | 2015-04-30 | The adjustable soil erosion teaching demonstration device of a kind of rainfall intensity |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106548687A (en) * | 2016-05-04 | 2017-03-29 | 张念现 | Teaching soil is lost in demonstrator |
| CN106596898A (en) * | 2017-01-19 | 2017-04-26 | 南京林业大学 | Method for determining root system soil profile preferential flow |
| CN107014978A (en) * | 2017-04-10 | 2017-08-04 | 中国农业大学 | A kind of method and device for controlling raindrop diameter in artificially-simulated rainfall and being distributed |
| CN110465420A (en) * | 2019-06-27 | 2019-11-19 | 中国水利水电科学研究院 | A kind of rainfall simulator |
| CN110794118A (en) * | 2019-12-10 | 2020-02-14 | 南京林业大学 | Soil erosion and water loss simulation device |
-
2015
- 2015-04-30 CN CN201520277598.9U patent/CN204557907U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106548687A (en) * | 2016-05-04 | 2017-03-29 | 张念现 | Teaching soil is lost in demonstrator |
| CN106596898A (en) * | 2017-01-19 | 2017-04-26 | 南京林业大学 | Method for determining root system soil profile preferential flow |
| CN107014978A (en) * | 2017-04-10 | 2017-08-04 | 中国农业大学 | A kind of method and device for controlling raindrop diameter in artificially-simulated rainfall and being distributed |
| CN107014978B (en) * | 2017-04-10 | 2019-06-04 | 中国农业大学 | A kind of method and device controlling raindrop diameter and distribution in artificially-simulated rainfall |
| CN110465420A (en) * | 2019-06-27 | 2019-11-19 | 中国水利水电科学研究院 | A kind of rainfall simulator |
| CN110794118A (en) * | 2019-12-10 | 2020-02-14 | 南京林业大学 | Soil erosion and water loss simulation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20160430 |