CN215976913U - EASC system is with high vertical board sand barrier - Google Patents
EASC system is with high vertical board sand barrier Download PDFInfo
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- CN215976913U CN215976913U CN202122393353.0U CN202122393353U CN215976913U CN 215976913 U CN215976913 U CN 215976913U CN 202122393353 U CN202122393353 U CN 202122393353U CN 215976913 U CN215976913 U CN 215976913U
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Abstract
The utility model provides a high-vertical plate sand barrier for an EASC system, and belongs to the technical field of high-vertical plate sand barriers. The sand barrier aims at solving the problems that the service life of the existing plate sand barrier is short, sand blown by wind is easy to blow down when the sand blown by the wind is large, and the stability is low. The sand-protecting board comprises a sand-protecting board frame and a sand-protecting board frame, wherein the sand-protecting board frame comprises a first sand-protecting board frame and a second sand-protecting board frame, the sand-protecting board frame further comprises a stand column and a support column, both sides of the first sand-protecting board frame and the second sand-protecting board frame are connected with the corresponding stand column, two stand columns located on the same side are connected through a fixing part, the sand-protecting board frame is a HDPE (high-density polyethylene) sand-protecting board frame, the sand-protecting board frame and the second sand-protecting board frame are both provided with middle frames, and the support column is connected with the middle frames through a rotating shaft. The assembly device has the advantages of assembly, energy conservation and environmental protection, and is more flexible to arrange; the HDPE board sand net has strong ultraviolet resistance, good chemical stability and aging resistance, and the service life of the HDPE board sand net is prolonged; the included angle between support column and the middle frame is adjusted according to the geology difference, can improve board sand barrier steadiness.
Description
Technical Field
The utility model relates to the technical field of high-vertical plate sand barriers, in particular to a high-vertical plate sand barrier for an EASC system.
Background
The high vertical sand barrier can be made of reed bundles, nylon nets, cotton sandbags and the like. The sand-prevention and sand-fixation composite material is commonly used in sand-prevention places on two sides of a railway in desert and desert, and has the functions of preventing wind, fixing sand and protecting the railway. The high vertical sand barrier is one of the common wind prevention and sand fixation measures, and the working principle of the high vertical sand barrier is to increase the roughness of the desert surface and artificially change the wind speed profile, so that the effects of weakening the wind speed of the surface, reducing wind power, improving the humidity of a sand layer, improving the survival rate of sand fixation plants and the like are achieved. The high vertical sand barrier is adopted to prevent wind and fix sand in the area, the surface roughness of the area can reach more than 200 times of that of other areas at most, and the wind and sand flow rate is minimum and even can reach one percent or less of that of other areas. Each row of the high-rise sand barrier has different influence on wind speed and different reduction degree on erosion amount, for example, in the high-rise sand barrier in the Gela section of the Tibet railway, the erosion amount can be reduced by 67.94% in the first row, and the reduction degree can reach 99.86% in the second row.
An ecological alloy wind-proof sand-fixing system (EASC system) is a novel sand-proof sand-fixing system, the core of which is to adopt a high-molecular synthetic material, and a set of effective wind-sand treatment scheme is designed aiming at natural conditions such as landform and climate along the railway and the activity rule of wind-sand so as to reduce the harm of wind-sand to the railway, overcome the defects of the existing material in the aspects of ageing resistance, light resistance, durability and the like, and greatly prolong the service life of the material (which can reach 20 years and is 4 to 7 times of the service life of the currently adopted material, namely 3 to 5 years). Has the advantages of assembly and disassembly for reuse. The high-performance and environment-friendly effects of the sand prevention and fixation material are realized.
The existing high vertical plate sand barrier, such as PE net, has weak ultraviolet resistance and aging resistance, and some metal materials, such as wire netting, have weak corrosion resistance; in addition, when the sand blown by the wind is great, current board sand barrier is blown down by the sand blown by the wind easily, and the steadiness is lower, influences the result of use.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows:
the vertical plate sand barrier aims at solving the problems that the existing high vertical plate sand barrier is weak in ultraviolet resistance, ageing resistance and corrosion resistance, and when the wind sand is large, the plate sand barrier is easily blown down by the wind sand, so that the stability is low and the using effect is influenced.
The utility model adopts the technical scheme for solving the technical problems that:
the utility model provides a high-vertical plate sand barrier for an EASC system, which comprises a plate sand barrier frame and a plate sand screen, wherein the plate sand barrier frame comprises a first plate sand barrier frame and a second plate sand barrier frame, the plate sand screen is positioned between the first plate sand barrier frame and the second plate sand barrier frame, the high-vertical plate sand barrier further comprises a plurality of stand columns, two sides of the first plate sand barrier frame and two sides of the second plate sand barrier frame are both connected with one corresponding stand column, the two stand columns positioned on the same side are detachably connected through a fixing part, the plate sand screen is an HDPE plate sand screen, the first plate sand barrier frame and the second plate sand barrier frame are both provided with middle frames, the middle frame of the first plate sand barrier frame and the middle frame of the second plate sand barrier frame are detachably connected through a fixing part, and the support column is connected with the middle frames through a rotating shaft.
Further, the support column is a telescopic support column.
Furthermore, the lower ends of the upright posts and the support columns are of conical structures and are used for being inserted into the ground surface to play a role in fixing.
Further, the fixing piece comprises a bolt and a nut, and the bolt penetrates through the upright post or the middle frame to be connected with the nut and is used for fixing the sand net.
Furthermore, the first plate sand barrier frame and the second plate sand barrier frame are both provided with reinforcing ribs.
Furthermore, the height of the upright column is 1.5-2.5m, and the distance between the lower ends of the first plate sand barrier frame and the second plate sand barrier frame and the ground surface is 0-5 cm.
Furthermore, a rubber pad is arranged on the inner side surface of the joint of the upright posts.
Furthermore, the length of each of the first plate sand barrier frame and the second plate sand barrier frame is 3.5-5m, and the width of each of the first plate sand barrier frame and the second plate sand barrier frame is 1.5-2.5 m.
Furthermore, the two ends of the first plate sand barrier frame and the second plate sand barrier frame are welded with the stand column, and the lower end of the stand column is longer than the lower ends of the first plate sand barrier frame and the second plate sand barrier frame.
Compared with the prior art, the utility model has the beneficial effects that:
according to the high-vertical plate sand barrier for the EASC system, the two sides of the first plate sand barrier frame and the second plate sand barrier frame are respectively provided with the stand columns, the stand columns are connected through the fixing part and are used for fixing the plate sand screen, the plate sand screen is fixed between the first plate sand barrier frame and the second plate sand barrier frame when in use, the first plate sand barrier frame and the second plate sand barrier frame are respectively provided with the middle frame, the middle frames are arranged to play a role in fixing the plate sand screen again, the plate sand screen is prevented from falling off after long-time use, the high-vertical plate sand barrier can be quickly installed, the construction efficiency is improved, the angle between the two adjacent high-vertical plate sand barriers can be adjusted according to different terrains, and the arrangement is more flexible and convenient; the assembly performance is realized, the assembly can be repeatedly used after being disassembled, and the energy-saving and environment-friendly effects are realized;
the HDPE board sand net belongs to one of novel sand blocking materials, has the characteristics of strong ultraviolet resistance, good chemical stability and aging resistance, and can effectively prolong the service life compared with a PE board sand net or a metal board sand net;
still include the support column, the support column passes through the pivot with middle frame to be connected, inserts ground with the support column after the contained angle between different adjustment support columns of geology and the middle frame during the use, can improve the holistic steadiness of board sand barrier.
Drawings
FIG. 1 is a perspective view of a high-rise sand barrier for an EASC system according to the present invention;
FIG. 2 is a side view of a high rise panel sand barrier for an EASC system of the present invention;
FIG. 3 is a first top view of a high-rise sand barrier for an EASC system according to the present invention;
FIG. 4 is a second top view of a high-rise raised panel sand barrier for an EASC system according to the present invention;
FIG. 5 is a side view of a plurality of high riser sand barriers of the present invention;
FIG. 6 is a first top view of a plurality of high riser sand barriers of the present invention;
fig. 7 is a second top view of a plurality of high vertical floor sand barriers of the present invention.
Description of reference numerals:
1-plate sand barrier frame, 2-plate sand screen, 3-upright post, 4-reinforcing rib, 5-fixing piece, 6-support column, 8-rotating shaft, 9-rubber pad, 1-1-first plate sand barrier frame, 1-2-second plate sand barrier frame, 1-3-middle frame, 5-1-bolt and 5-2-nut.
Detailed Description
In the description of the present invention, it should be noted that terms such as "upper", "lower", "front", "rear", "left", "right", and the like in the embodiments indicate terms of orientation, and are used only for simplifying the positional relationship based on the drawings of the specification, and do not represent that the elements, devices, and the like indicated in the description must operate according to the specific orientation and the defined operation, method, and configuration, and such terms are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that the terms "first" and "second" mentioned in the embodiments of the present invention are only used for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The first specific embodiment is as follows: with reference to fig. 1 to 4, the utility model provides a high-rise sand barrier for an EASC system, which comprises a sand barrier frame 1 and a sand screen 2, wherein the sand barrier frame 1 comprises a first sand barrier frame 1-1 and a second sand barrier frame 1-2, the sand screen 2 is arranged between the first sand barrier frame 1-1 and the second sand barrier frame 1-2, the sand screen further comprises a plurality of columns 3, both sides of the first sand barrier frame 1-1 and the second sand barrier frame 1-2 are connected with one corresponding column 3, the two columns 3 on the same side are detachably connected through a fixing member 5, the sand screen 2 is a HDPE sand screen, the first sand barrier frame 1-1 and the second sand barrier frame 1-2 are both provided with an intermediate frame 1-3, the intermediate frame 1-3 of the first sand barrier frame 1-1 is communicated with the intermediate frame 1-3 of the second sand barrier frame 1-2 through a HDPE fixing member 5 The fixing piece 5 is detachably connected, the fixing piece further comprises a supporting column 6, and the supporting column 6 is connected with the middle frames 1-3 through a rotating shaft 8.
The high-rise vertical plate sand barrier is a high-rise vertical structure, and is divided into three parts during actual construction, wherein the first part is a sand dam, the width is 2.4m, the height is 2m, high-rise vertical plate sand barriers are laid according to the extending direction, the interval between every two adjacent high-rise vertical plate sand barriers is 40m, honeycomb grid chambers are laid on the sand dam between every two adjacent high-rise vertical plate sand barriers, and when the high-rise vertical plate sand barriers are laid, a plate sand net 2 is fixed between a first plate sand barrier frame 1-1 and a second plate sand barrier frame 1-2, so that the high-rise vertical plate sand barrier can be quickly installed, the construction efficiency is improved, the angle between every two adjacent high-rise vertical plate sand barriers can be adjusted according to different terrains, and the arrangement is more flexible and convenient; the assembly performance is realized, the assembly can be repeatedly used after being disassembled, and the energy-saving and environment-friendly effects are realized;
the HDPE board sand net belongs to one of novel sand blocking materials, has the characteristics of strong ultraviolet resistance, good chemical stability and aging resistance, and can effectively prolong the service life compared with a PE board sand net or a metal board sand net;
can fix high vertical board sand barrier once more through support column 6, adjust the angle of support column 6 and middle frame 1-3 according to the difference of soil property, adjust the depth of inserting the earth's surface by the length of adjusting flexible support column, the operation is more nimble.
The second specific embodiment: the support column 6 is a telescopic support column, and the length of the support column can be adjusted according to different geology, so that the depth of the support column inserted into the ground can be adjusted. Other combinations and connections of this embodiment are the same as those of the first embodiment.
The third concrete implementation scheme is as follows: the porosity of the board sand net 2 is 30-40%. Other combinations and connections of this embodiment are the same as those of the second embodiment.
The horizontal velocity curve of the gas flow is shifted upward as a whole with the increase of the porosity, and when the porosity is 10%, 25%, 40% and 60% respectively, as exemplified by the curve at 0.1m from the ground, the minimum velocity is-9 m.s.-1、-5.9m·s-1、-1.3m·s-1And 8.9 m.s-1The minimum speed is increased along with the increase of the porosity, when the porosity is 60%, an airflow backflow area cannot appear, the main reason is that the porosity is high, most of airflow passes through the pores of the high vertical plate sand barrier, a small part of airflow is blocked upwards, the pressure difference formed by the two is small, and the backflow area cannot be generated;
through field tests in the Tenggery desert, the plate sand net 2 with the porosity of 30% -40% can most effectively prevent sand grains from being accumulated on the windward side of the plate sand net; when the porosity is 30-50%, the method is most effective for reducing the speed and the surface pressure of airflow behind the sand screen 2; in an indoor wind tunnel test, the average velocity field of the sand screen 2 is researched by using a particle image velocimeter, and the optimal porosity is considered to be the critical porosity when the airflow dynamic characteristics have strong difference, and the value of the optimal porosity is 20% or 30%; the erosion of a flow field around a sand dune and the sand dune is measured by using a laser visualization technology, the development of wind erosion can be most inhibited when the porosity is 30%, and the sand screen 2 with the plate thickness of 30% -40% can effectively prevent the accumulation of sand particles on the windward side and inhibit the development of wind erosion.
The fourth specific embodiment: referring to fig. 1 to 4, the cross section of the upright column 3 is a semicircular or square structure, the cross section of the support column 6 is a circular, elliptical or rectangular structure, and the lower ends of the upright column 3 and the support column 6 are both conical structures and are used for being inserted into the ground surface to fix the ground surface. Other combinations and connections of this embodiment are the same as those of the third embodiment.
The fifth concrete embodiment: referring to fig. 3 to 7, the fixing member 5 includes a bolt 5-1 and a nut 5-2, the bolt 5-1 penetrates through the upright 3 to be connected with the nut 5-2, and the bolt 5-1 penetrates through the middle frame 1-3 to be connected with the nut 5-2, so as to fix the sand screen 2. Other combinations and connections of this embodiment are the same as those of the third or fourth embodiment.
The sixth specific embodiment: as shown in fig. 1, fig. 2 and fig. 5, the first plate sand barrier frame 1-1 and the second plate sand barrier frame 1-2 are both provided with reinforcing ribs 4, the reinforcing ribs 4 are two crossed diagonal rods, and both ends of the reinforcing ribs 4 are connected with the first plate sand barrier frame 1-1 or the second plate sand barrier frame 1-2. Other combinations and connections of this embodiment are the same as those of the fifth embodiment.
The seventh specific embodiment: with reference to fig. 1 to 7, the height of the column 3 is 1.5 to 2.5m, and the distance between the first plate sand barrier frame 1-1 and the second plate sand barrier frame 1-2 and the ground surface is 0 to 5 cm. Other combinations and connections of this embodiment are the same as those of the fifth embodiment.
The specific embodiment eight: as shown in fig. 3 and 4, a rubber pad 9 is disposed on the inner surface of the joint of the upright column 3 for increasing the friction between the upright column 3 and the sand screen 2, and enhancing the fixing effect. Other combinations and connections of this embodiment are the same as those of the fifth embodiment.
The specific embodiment is nine: with reference to fig. 1 to 7, the lengths of the first plate sand barrier frame 1-1 and the second plate sand barrier frame 1-2 are both 3.5 to 5m, and the widths of the first plate sand barrier frame 1-1 and the second plate sand barrier frame 1-2 are both 1.5 to 2.5 m. Other combinations and connections of this embodiment are the same as those of the fifth embodiment.
The specific embodiment ten: as shown in fig. 1 to 7, two ends of each of the first plate sand barrier frame 1-1 and the second plate sand barrier frame 1-2 are welded to an upright column 3, the lower end of the upright column 3 is longer than the lower ends of the first plate sand barrier frame 1-1 and the second plate sand barrier frame 1-2, and the upright column 3 is longer than the lower ends of the first plate sand barrier frame 1-1 and the second plate sand barrier frame 1-2 and is used for being inserted into the earth surface to fix the high-altitude plate sand barrier. Other combinations and connections of this embodiment are the same as those of the fifth embodiment.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.
The working principle is as follows: adjusting the rotation angle and the length of a support column 6 according to the actual condition of soil quality, inserting the upright columns 3 and the support columns 6 at two ends of a first plate sand barrier frame 1-1 into the earth surface according to the arrangement mode of the integral high-vertical plate sand barrier, and sequentially connecting a plate sand screen 2 with the upright columns 3 at two sides of the first plate sand barrier frame 1-1 through a second plate sand barrier frame 1-2 along the arrangement angle through bolts 5-1 and nuts 5-2 to finally form the complete high-vertical plate sand barrier for the EASC system.
Claims (9)
1. The utility model provides a high vertical board sand barrier for EASC system, includes board sand barrier frame (1) and board sand screen (2), board sand barrier frame (1) includes first board sand barrier frame (1-1) and second board sand barrier frame (1-2), board sand screen (2) are located between first board sand barrier frame (1-1) and second board sand barrier frame (1-2), its characterized in that: the sand barrier comprises a first plate sand barrier frame (1-1) and a second plate sand barrier frame (1-2), and is characterized by further comprising a plurality of stand columns (3), wherein two sides of the first plate sand barrier frame (1-1) and the second plate sand barrier frame (1-2) are respectively connected with one corresponding stand column (3), the two stand columns (3) positioned on the same side are detachably connected through a fixing piece (5), the plate sand screen (2) is an HDPE plate sand screen, the first plate sand barrier frame (1-1) and the second plate sand barrier frame (1-2) are both provided with middle frames (1-3), the middle frame (1-3) of the first plate sand barrier frame (1-1) is detachably connected with the middle frame (1-3) of the second plate sand barrier frame (1-2) through a fixing piece (5), and the sand barrier comprises a support column (6), the supporting column (6) is connected with the middle frame (1-3) through a rotating shaft (8).
2. A high riser sand barrier for an EASC system as claimed in claim 1 wherein: the support column (6) is a telescopic support column.
3. A high riser sand barrier for an EASC system as claimed in claim 2 wherein: the lower ends of the upright post (3) and the support column (6) are both conical structures and are used for being inserted into the ground surface to play a role in fixing.
4. A high riser sand barrier for an EASC system as claimed in claim 3 wherein: the fixing piece (5) comprises a bolt (5-1) and a nut (5-2), and the bolt (5-1) penetrates through the upright column (3) or the middle frame (1-3) to be connected with the nut (5-2) and is used for fixing the sand net (2).
5. A high rise board sand barrier for an EASC system according to claim 4 wherein: the first plate sand barrier frame (1-1) and the second plate sand barrier frame (1-2) are both provided with reinforcing ribs (4).
6. A high rise board sand barrier for an EASC system according to claim 4 wherein: the height of the upright post (3) is 1.5-2.5m, and the distance between the lower ends of the first plate sand barrier frame (1-1) and the second plate sand barrier frame (1-2) and the ground surface is 0-5 cm.
7. A high rise board sand barrier for an EASC system according to claim 4 wherein: the inner side surface of the joint of the upright posts (3) is provided with a rubber pad (9).
8. A high rise board sand barrier for an EASC system according to claim 4 wherein: the length of each of the first plate sand barrier frame (1-1) and the second plate sand barrier frame (1-2) is 3.5-5m, and the width of each of the first plate sand barrier frame (1-1) and the second plate sand barrier frame (1-2) is 1.5-2.5 m.
9. A high rise board sand barrier for an EASC system according to claim 4 wherein: the sand barrier comprises a first plate sand barrier frame (1-1) and a second plate sand barrier frame (1-2), wherein two ends of the first plate sand barrier frame (1-1) and two ends of the second plate sand barrier frame (1-2) are welded with a stand column (3), and the lower end of the stand column (3) is longer than the lower ends of the first plate sand barrier frame (1-1) and the second plate sand barrier frame (1-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122393353.0U CN215976913U (en) | 2021-09-30 | 2021-09-30 | EASC system is with high vertical board sand barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122393353.0U CN215976913U (en) | 2021-09-30 | 2021-09-30 | EASC system is with high vertical board sand barrier |
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| Publication Number | Publication Date |
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| CN215976913U true CN215976913U (en) | 2022-03-08 |
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| CN202122393353.0U Active CN215976913U (en) | 2021-09-30 | 2021-09-30 | EASC system is with high vertical board sand barrier |
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2021
- 2021-09-30 CN CN202122393353.0U patent/CN215976913U/en active Active
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