CN2535445Y

CN2535445Y - Protective screen capable of baffing sand and preventing soil-water from losing

Info

Publication number: CN2535445Y
Application number: CN 02224702
Authority: CN
Inventors: 段仁山
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-04-03
Filing date: 2002-04-03
Publication date: 2003-02-12
Anticipated expiration: 2012-04-03

Abstract

A barrier of sand resistance and erosion prevention is characterized in that barrier screens (1) are articulated on a rope (2) with intervals and distributed radially. Columnar piles (3) are arranged in the length range of the rope (2) with intervals. The columnar piles (3) are inserted into sand or ground and the barrier screens (1) are fixed at sand surface or ground surface, thereby having effects of sand resistance and erosion prevention.

Description

Can retaining sand and the barrier that prevents erosion

Technical field

The utility model relates to a kind of artificial barrier that can keep off sand and prevent erosion.

Background technology

Current, the desertification land area of China has reached more than 200 ten thousand square kilometres, and is also expanding with more than 2,000 square kilometres speed every year, and the land area in a medium county of quite annual loss is so prevent the quite sternness of situation of desert extension.Now except planting trees, wheat straw, straw etc. is grid in some areas or rhombus is pressed in the sand, to play the husky effect of retaining.But along with the husky natural phenomena of running of wind exists, sand is blown away these wheat straws of back, straw is also blown away thereupon, and not only the fruit of labour wastes, and the more important thing is not have the husky effect of retaining.

Equally, the soil erosion problem of China is also very outstanding, especially in the loess plateau, the area, hillside is even more serious, soil erosion has become the key factor of restriction many provinces and regions economic development.

The content of utility model

The technical problems to be solved in the utility model is to overcome the deficiency described in the background technology, and a kind of simple in structure, low cost of manufacture be provided, lay easily, retaining is husky and the effective artificial barrier that prevents erosion.

Technical solution of the present utility model is: be interval with the radial screen that stops on rope.

Further technological improvement of the present utility model is: the said screen that stops is made of strand, and is hinged on the rope.In the length range of rope, be interval with stanchion.

Compare with background technology, the good effect that the utility model produces is: simple in structure, material is easy to get, and makes easily, stops that screen can use waste or used plastics silk, crop straw, straw, various branch, carefully making such as bamboo branch; Rope can be used making such as thin wire, the rope made of hemp, plastic ties, and its cost is very low.Mainly be stanchion to be inserted be embedded in the sand or undergroundly just can play barrier effect to drift sand, prevent that it is mobile by stopping screen; Also native one by one silt chain-wales can be formed gradually in the area, hillside, to prevent erosion.If in stopping screen, add some macromolecule water absorbent materials, can also absorb moisture more for a long time at rainwater, and when arid slow release moisture, to satisfy needs to plant growing.Because the setting of stanchion, can be for a long time will stop that screen is fixed in the sand or underground, can not run by wind.A plurality of barriers also can be grid or the rhombus large tracts of land is laid in Shamian Island, can play the husky effect of good retaining.

Description of drawings

Fig. 1: structural representation of the present utility model.

The lateral view of Fig. 2: Fig. 1.

The specific embodiment

As shown in Figure 1 and Figure 2, be hinged with the radial screen 1 that stops at interval on a rope 2 of being made by iron wire or the rope made of hemp or plastic ties, these stop that the manufacturing materials of screen 1 is plastics silk, crop straw, wheat straw, straw, thin bamboo branch and various branches etc.Be arranged at intervals with stanchion 3 in the scope of the place of every rope 2, stanchion 3 links to each other with rope 2.

This barrier is to insert in stanchion 3 in the sand or in the soil in laying, just can be similar to and plant little tree or grass on Shamian Island or ground stopping that screen 1 is fixed on Shamian Island or ground, can play the effect that stops that sand flows and prevents erosion.In the material that stops screen 1, also can add some absorbent polymer fibers, so that absorb moisture for a long time, and when arid, discharge moisture, to satisfy the needs of plant growing at rainwater.

Claims

1, a kind of barrier that can keep off sand and prevent erosion is characterized in that going up interruption at rope (2) is fixed with the radial screen (1) that stops.

2, barrier as claimed in claim 1 is characterized in that the said screen (1) that stops is articulated with rope (2) at interval.

3, barrier as claimed in claim 1 or 2 is characterized in that the said screen (1) that stops is that radial strand constitutes.

4, barrier as claimed in claim 1 is characterized in that being interval with stanchion (3) in the length of rope (2).