CN111699879B

CN111699879B - Soil erosion and water loss control device

Info

Publication number: CN111699879B
Application number: CN202010535810.2A
Authority: CN
Inventors: 张琨; 甘信宏; 刘见波; 于丹丹; 王燕; 叶鑫; 曹秉帅
Original assignee: Nanjing Institute of Environmental Sciences MEE; Tianjin Normal University
Current assignee: Nanjing Institute of Environmental Sciences MEE; Tianjin Normal University
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-12-21
Anticipated expiration: 2040-06-12
Also published as: CN111699879A

Abstract

The invention relates to a soil erosion control device, which consists of a plurality of protective devices and a protective net covered on the control devices, wherein the protective devices are integrally of a box structure with an upper opening and a lower opening and consist of a plurality of protective units; the protection unit comprises a partition plate and an upright post which are integrally arranged, a plurality of caulking grooves are distributed on the side surface of the upright post along the axis in an annular array manner, one side edge of the partition plate is integrally connected with the upright post, a convex block is arranged on the other side edge of the partition plate, and the convex block is embedded in the caulking groove of the other protection unit; the device can be effectively combined and arranged in a protection and control area, provides a good growing environment for the grass quilt through the protection device and the protection net, is beneficial to the rapid growth of the grass quilt, and further effectively controls water and soil loss.

Description

Soil erosion and water loss control device

Technical Field

The invention belongs to the field of water and soil engineering, in particular to the field of water and soil loss control.

Background

The water and soil loss control means controlling runoff and silt in a water and soil loss area by three measures of water and soil conservation engineering, plants and cultivation and controlling the amount of runoff and silt in a reasonable range, wherein the water and soil loss means the phenomenon that water and soil are simultaneously lost due to influence of natural or human factors, rainwater cannot be absorbed on the spot, the rainwater flows down along the same direction and washes away the soil, the main reasons are large ground gradient, improper land utilization, damaged ground vegetation, unreasonable cultivation technology, loose soil texture, forest deforestation, excessive grazing and the like, and the damage of the water and soil loss is mainly shown in the following steps: the soil plough layer is eroded and destroyed, so that the soil fertility is gradually depleted; silting rivers, channels and reservoirs, reducing the benefit of hydraulic engineering, even causing flood and drought disasters and seriously affecting industrial and agricultural production; china is one of the most serious countries in the world with wide water and soil loss. According to the first water conservancy general survey result in China, the existing water and soil loss area is 294.91 kilometres squared. Serious water and soil loss is a centralized reflection of national ecological deterioration, threatens national ecological safety, drinking water safety, flood prevention safety and grain safety, restricts mountain and hilly areas, and influences the overall well-being social construction process, so that the water and soil loss is prevented at will, in order to prevent the water and soil loss and protect soil, a plant measure is the most effective measure, a grass quilt is planted on the soil, and the grass quilt can germinate and emerge rapidly, only 4-7 days are needed, and can form a lawn for more than one month, and the root system of the grass quilt has strong binding capacity with the soil, so that the weeds in the soil are less, a large amount of weed pulling manpower can be saved, and the maintenance and management cost is reduced; moreover, the plant growth belt has light weight and convenient transportation and construction; however, if the grass quilt is directly planted without good protection measures, the grass quilt is easily influenced by self gravity or external conditions and slips off the ground, so that a good device is needed for protection in the process of sprouting and seedling emergence of the grass quilt until the root system of the grass quilt is completely formed.

Disclosure of Invention

In order to solve the problems, the invention achieves the purposes through the following technical scheme:

a soil erosion control device comprises a plurality of protective devices and a protective net covered on the control device, wherein the protective devices are integrally of a box structure with an upper opening and a lower opening and comprise a plurality of protective units; the protection unit comprises a partition board and an upright post which are integrally arranged, a plurality of caulking grooves are distributed on the side surface of the upright post along an axis annular array, one side edge of the partition board is integrally connected with the upright post, a first lug is arranged on the other side edge of the partition board, and the first lug is embedded in the caulking groove of the other protection unit; the inner side wall of the upper part of the fixing piece is provided with an internal thread, and the internal thread is spirally connected with a bolt; the middle part of the fixing part is also provided with a plurality of claw plates, the inner side wall of the upright post below the internal thread is provided with a sliding groove, the bottom of the bolt is provided with a second lug, the second lug consists of a cylinder and a push plate fixedly arranged below the cylinder, the side wall of the cylinder is provided with a sliding block, and the sliding block is embedded in the sliding groove; the claw plates comprise a first claw plate and a second claw plate, one side of the first claw plate is flexibly connected with the second claw plate, and the other side of the first claw plate is flexibly connected with the end part of the push plate; the other side of the second claw plate is integrally connected with the fixing piece; and a spring is arranged below the sliding block in the sliding groove.

As a further optimized scheme of the invention, the lower end part of the partition plate is provided with a plurality of toothed plates.

The invention has the beneficial effects that:

1) the device can be effectively combined and arranged in a protection and control area, provides a good growing environment for the grass quilt through the protection device and the protection net, is beneficial to the rapid growth of the grass quilt, and further effectively controls water and soil loss.

Drawings

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

fig. 2 is a schematic view of the protection net of the present invention;

FIG. 3 is a schematic structural view of a shielding unit according to the present invention;

FIG. 4 is a schematic view of the construction of the fixing member of the present invention;

FIG. 5 is a schematic cross-sectional view of a fastener of the present invention;

FIG. 6 is a schematic sectional view of a fixing member according to embodiment 2 of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6 according to the present invention;

in the figure: 1. a guard; 2. a protective net; 3. a protection unit; 4. a partition plate; 41. a first bump; 42. a toothed plate; 5. a column; 51. caulking grooves; 52. a through hole; 6. a fixing member; 61. a claw plate; 611. a first jaw plate; 612. a second jaw plate; 62. a vertebral body; 63. an internal thread; 7. a bolt; 8. a chute; 81. a spring; 9. a second bump; 91. a cylinder; 911. a slider; 92. a push plate.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Example 1

As shown in fig. 1 to 5, the control device for soil erosion comprises a plurality of protection devices 1 and a protection net 2 covering the control device, wherein the protection devices 1 are integrally of a box structure with upper and lower openings and comprise a plurality of protection units 3; the protecting device 1 is used for placing a plurality of grass quilts, and a protective net 2 is fixedly arranged on the protecting device 1 and covers the grass quilts; the device is mainly used for the early stage of new vegetation, although grass is germinated and emerges quickly, the time of 4-7 days is needed, and then the grass can form a lawn for many months, and protection and control are needed by the device when the root system of the vegetation is not completely combined with soil;

in order to facilitate construction and transportation, the protection device 1 is designed to be of a detachable structure, namely, the protection device is composed of 4 protection units 3, each protection unit 3 comprises a partition plate 4 and a solid 5 which are integrally arranged, a plurality of caulking grooves 51 are distributed on the side surface of each upright post 5 along the axis in an annular array, wherein one side of each partition plate 4 is integrally arranged with the upright post 5, and the other side of each partition plate is provided with a first bump 41; when the protection units are combined into the protection device, the first lug 41 of one protection unit is embedded in the embedding groove 51 of the other protection unit 3;

in order to increase the ground gripping force of the protective device and the stability of the device, a through hole 52 is formed in the center of the upright post 5, and a fixing piece 6 is fixedly arranged in the through hole 52; the whole fixing piece 6 is hollow and cylindrical, a commonly used metal material is used, a cone body 62 is arranged at the bottom, an internal thread 63 is arranged in the upper part of the fixing piece 6, and the internal thread 63 is spirally connected with a bolt 7; when in use, the protective net can be fixed on the protective device through the bolt 7; furthermore, a part of the side wall is cut off at the middle part of the fixing piece to form a plurality of claw plates 61, each claw plate 61 is a single plate, one side of each claw plate is integrally connected with the fixing piece 6, and the other side of each claw plate is suspended in the air; thus, the claw plate 61 can be deformed and opened outwards under the action of external force;

in addition, a sliding groove 8 is arranged on the inner side wall of the upright post 5 below the internal thread 63, a second bump 9 is arranged at the bottom of the bolt 7, the second bump 9 is composed of a column 91 and a push plate 92 fixedly arranged below the column 91, a sliding block 911 is arranged on the side wall of the column 91, and the sliding block 911 is embedded in the sliding groove 8; when the protective device is used, the bolt is screwed into the top of the fixing piece, after the bolt descends to a certain depth, the bottom of the bolt can be abutted against the top of the cylinder, the bolt continues to rotate and move downwards until the bolt is completely fastened on the fixing piece, at the moment, the second lug can move downwards, the sliding block slides in the sliding groove, the push plate of the second lug can extrude the claw plate 61, so that the claw plate deforms outwards, the whole protective device is unfolded in an umbrella shape, and therefore if the protective device is acted by external force, the unfolded claw plate can play a reverse supporting effect, the protective net is more effectively prevented from being separated from soil, grass is ensured to grow normally, and soil erosion is prevented; in addition, a plurality of toothed plates 42 can be arranged at the lower end part of the partition plate 4, so that the friction force between the partition plate and the ground is further increased.

Example 2

The device can be effectively combined and arranged in a protection and control area, and a good growing environment is provided for the grass quilt through the protection device and the protection net, so that the grass quilt can grow rapidly, and the water and soil loss can be effectively controlled; but the device is mainly used in the early stage of vegetation formation, once the root system of the grass quilt is completely formed, the combination capability of the root system and the soil is strong; in order to save cost, the protection device is generally selected to be removed and then can be recycled; however, the claw plates have limited resilience after being unfolded, and part of soil layers can be damaged during dismantling, and even the root systems of part of the grass quilts are affected; therefore, in order to facilitate the removal of the device, on the basis of the above structure, as shown in fig. 6 and 7, the claw plate 61 is provided with two sections, i.e., a first claw plate 611 and a second claw plate 612, the second claw plate 612 is flexibly connected to one side of the first claw plate 611, and the other side is flexibly connected to the end of the push plate 92; the other side of the second claw plate 612 is integrally connected with the fixed part 6, and a spring 81 is arranged below the sliding block 911 in the sliding groove 8; thus, when in use, the bolt is spirally descended to enable the second lug to descend, and then the upper part of the second claw plate is outwards propped by the first claw plate, so that the same effect as that of the claw plate in the embodiment 1 is realized; when the device is ready to be removed, the bolt can be rotated upwards, the second lug is enabled to move upwards under the action of the spring, and meanwhile, the first claw plate is driven to move upwards, and at the moment, the upper part of the second claw plate is pulled inwards by the first claw plate and is restored to the original state; the claw plate that has avoided strutting like this is to the destruction on soil horizon, also is more laborsaving when demolising moreover, promotes work efficiency.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The utility model provides a soil erosion and water loss controlling means which characterized in that: the control device is composed of a plurality of protective devices (1) and a protective net (2) covered on the control device, and the protective devices (1) are integrally of a box structure with an upper opening and a lower opening and are composed of a plurality of protective units (3); the protection unit (3) comprises a partition plate (4) and an upright post (5) which are integrally arranged, a plurality of caulking grooves (51) are distributed on the side surface of the upright post (5) along an axis annular array, one side edge of the partition plate (4) is integrally connected with the upright post (5), a first lug (41) is arranged on the other side edge, and the first lug (41) is embedded in the caulking groove (51) of the other protection unit (3); a through hole (52) is formed in the center of the upright post (5), and a fixing piece (6) is fixedly arranged in the through hole (52); the upper part of the fixing piece (6) is in a hollow cylindrical shape, and the bottom of the fixing piece is provided with a cone body (62); the inner side wall of the upper part of the fixing piece (6) is provided with an internal thread (63), and the internal thread (63) is spirally connected with a bolt (7); the protective net (2) is fixedly arranged on the upright post (5) of the protective unit (3) through a bolt (7); the middle of the fixing piece (6) is further provided with a plurality of claw plates (61), the inner side wall of the upright post (5) below the internal thread (63) is provided with a sliding groove (8), the bottom of the bolt (7) is provided with a second bump (9), the second bump (9) is composed of a cylinder (91) and a push plate (92) fixedly arranged below the cylinder (91), the side wall of the cylinder (91) is provided with a sliding block (911), and the sliding block (911) is embedded in the sliding groove (8); the claw plate (61) comprises a first claw plate (611) and a second claw plate (612), one side of the first claw plate (611) is flexibly connected with the second claw plate (612), and the other side of the first claw plate is flexibly connected with the end part of the push plate (92); the other side of the second claw plate (612) is integrally connected with a fixing piece (6); and a spring (81) is arranged below the sliding block (911) in the sliding groove (8).

2. A soil erosion control device according to claim 1, wherein: the lower end of the partition board (4) is provided with a plurality of toothed plates (42).