CN119392631A - A kind of elastic sand retaining wall - Google Patents
A kind of elastic sand retaining wall Download PDFInfo
- Publication number
- CN119392631A CN119392631A CN202411907987.5A CN202411907987A CN119392631A CN 119392631 A CN119392631 A CN 119392631A CN 202411907987 A CN202411907987 A CN 202411907987A CN 119392631 A CN119392631 A CN 119392631A
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- wind
- wall
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- sand
- elastic
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/02—Snow fences or similar devices, e.g. devices affording protection against sand drifts or side-wind effects
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/02—Snow fences or similar devices, e.g. devices affording protection against sand drifts or side-wind effects
- E01F7/025—Devices specially adapted for protecting against wind, e.g. screens, deflectors or attenuators at tunnel or lock entrances
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
本申请涉及防风固沙工程技术领域，尤其是一种弹动式挡沙墙，该一种弹动式挡沙墙包括两根立柱，两根立柱之间由上至下设置有若干挡风板，每个挡风板上均设有出风孔；两根立柱的底壁设置有固定组件，固定组件用于将两根立柱与地面连接；固定组件的上表面向内部延伸开设有两个弹动槽，两根立柱分别插接在两个弹动槽内；每个弹动槽内均设置有弹性件，弹性件的两端分别与弹动槽底壁和立柱固定连接，达到了在风沙持续冲击时，提升防沙墙的使用寿命的效果。
The present application relates to the technical field of wind-proof and sand-fixing engineering, and in particular to an elastic sand retaining wall, which comprises two columns, a plurality of wind shields are arranged between the two columns from top to bottom, and each wind shield is provided with an air outlet; a fixing assembly is arranged on the bottom wall of the two columns, and the fixing assembly is used to connect the two columns to the ground; two elastic grooves are extended inwardly from the upper surface of the fixing assembly, and the two columns are respectively inserted into the two elastic grooves; an elastic member is arranged in each elastic groove, and the two ends of the elastic member are respectively fixedly connected to the bottom wall of the elastic groove and the column, so as to achieve the effect of improving the service life of the sand-proof wall when the wind and sand continue to impact.
Description
Technical Field
The application relates to the technical field of wind prevention and sand fixation engineering, in particular to a spring type sand blocking wall.
Background
Currently, sand blocking walls are often arranged in regions in which sand is blown, because the sand is mainly a sand stream formed by sand particles carried by air flow. The sand blocking wall can directly block the progress of sand grains. When the wind and sand flow encounters the sand blocking wall, sand particles can strike the surface of the wall due to the inertia of the wind and sand flow, and then accumulate at or near the bottom of the wall under the action of gravity, so that sand and dust are trapped.
Most of the existing sand blocking walls are rigid fixing structures, such as masonry walls, metal plates or concrete slab spliced walls and the like.
The technical proposal has the following defects that the sand blocking wall can block the sand in a certain degree, but when the sand blocking wall is impacted by continuous strong sand in a sand blowing way, the sand in the sand blocking wall frequently impacts the same position, the surface of the wall body is severely worn, and the service life of the sand blocking wall can be reduced.
Disclosure of Invention
The application provides a spring type sand blocking wall for improving the service life of the sand blocking wall when wind and sand continuously impact.
The technical aim of the application is realized by the following technical scheme:
The elastic sand blocking wall comprises two upright posts, a plurality of wind shields are arranged between the two upright posts from top to bottom, air outlet holes are formed in each wind shield, a fixing assembly is arranged on the bottom wall of each upright post and used for connecting the two upright posts with the ground, two elastic grooves are formed in the upper surface of the fixing assembly in an extending mode, the two upright posts are inserted into the two elastic grooves respectively, elastic pieces are arranged in each elastic groove, and two ends of each elastic piece are fixedly connected with the bottom wall of each elastic groove and the upright posts respectively.
By adopting the scheme, the fixing component can connect the stand columns with the ground so that the whole wall body is connected with the ground, and because the elastic piece is arranged, when the sand and wind flow blows to the wall body, the two stand columns can move up and down under the action of elasticity, so that the wind shield can be driven to move along with the wall body, the effect of disturbing the sand and wind flow can be achieved by moving the wind shield up and down, and the effect of prolonging the service life of the sand-preventing wall when the sand and wind continuously impact is achieved.
Further, each wind deflector is arc-shaped, two ends of the protrusion of the middle part are respectively connected with the two upright posts, the middle part is protruded towards one end close to the windward side, the protrusion degree of the wind deflector positioned in the middle part of the wind deflectors is maximum, and the protrusion degree of the upper side and the lower side is gradually reduced.
Through adopting above-mentioned scheme, the wall body is whole to be the arc, and curved wind-break wall can make the sand flow of wind flow along the wall body surface flow, changes the straight line motion route that sand flow was originally to can be two or more less air current with sand flow of wind before the wall dispersion, make sand of wind obtain dispersing to the concentrated impact force of wall body.
Further, gaps are reserved between the adjacent wind shields.
Through adopting above-mentioned scheme, the setting in clearance can reduce the holistic resistance of sand and wind flow to this wall body, increases the life of this wall body.
Further, the bottom wall of each spring groove is provided with a limiting groove downwards along the length direction, a limiting rod is arranged in the elastic piece in a penetrating mode, one end of the limiting rod is fixedly connected with the bottom wall of the upright post, the other end of the limiting rod is inserted into the limiting groove, and the limiting rod slides back and forth along the limiting grooves in the deformation process of the elastic piece.
Through adopting above-mentioned scheme, the gag lever post slides along the spacing groove for the elastic component can only take place the deformation of vertical direction, avoids the elastic component to take place the deformation of horizontal direction.
Further, the side wall of the limiting groove is inwards sunken to be provided with a sliding groove, the side wall of the limiting rod is fixedly connected with a sliding block corresponding to the sliding groove, the sliding block is in plug-in fit with the sliding groove, and the sliding block can move up and down along the sliding groove.
Further, the top wall of the chute is provided with a threaded hole, a travel control rod is arranged in the threaded hole and is in threaded connection with the threaded hole, and the travel control rod can control the maximum distance of the sliding block sliding up and down in the chute.
By adopting the scheme, the sliding groove provides a sliding area for the sliding block, and the stroke control rod is arranged, so that the depth of the stroke control rod inserted into the sliding groove can be controlled by controlling the relative position of the stroke control rod and the threaded hole, the sliding range of the sliding block in the sliding groove can be controlled, and the deformation degree of the elastic piece can be controlled by controlling the sliding range of the sliding block.
The fixing assembly comprises a base plate and a plugging rod, wherein the two upright posts are connected with the upper surface of the base plate, the plugging rod is fixedly connected to the lower surface of the base plate and is inserted into the ground, a circle of reinforcing plate is arranged on the periphery of the plugging rod, the reinforcing plate is wound on the periphery of the plugging rod in a threaded mode, and the reinforcing plate is used for increasing friction force between the plugging rod and the ground after the plugging rod is plugged.
Further, the diapire fixedly connected with connecting plate of threaded rod, the week side of connecting plate is even to be provided with a plurality of connection thorns, and every connection thorn all sets up with the horizontal plane parallel of bottom plate.
Through adopting above-mentioned scheme, the setting of connecting thorn is used for increasing the resistance of plug rod and ground horizontal direction for the grafting state of plug rod and ground is more stable.
Further, the inner wall of the air outlet hole is provided with a plurality of spoilers.
By adopting the scheme, when the sand-blast airflow shuttles against the side wall of the air outlet, the turbulence plates promote the airflow to generate local turbulence and vortex flow, sand particles are rolled into the turbulence plates under the action of the vortex plates, the movement track is continuously changed, the sand particles are gathered towards the side wall of the air outlet under the comprehensive action of centrifugal force and the airflow, the entrapment efficiency of the sand particles is increased, and the filtering capability of the air outlet for preventing the sand-blast is enhanced.
Further, the inner wall box of the air outlet is provided with a diversion trench in a concave manner, and the diversion trench is arc-shaped and is arranged along the airflow flowing direction.
By adopting the scheme, the flow groove changes the air flow direction by virtue of the arc of the flow groove, so that the air flow flows along the side wall of the air outlet, and sand particles are pushed to flow along the side wall of the flow groove and flow out towards the outlet under the dual actions of inertia and air flow guiding, so that the sand particles are prevented from accumulating in the middle of the air outlet, and the effect of dispersing the sand and dust in the air outlet is achieved.
In summary, the application has the following technical effects:
1. through the arrangement of the elastic piece, when the wind and sand flow blows to the wall body, the two upright posts can move up and down under the action of elasticity, so that the wind shield can be driven to move along with the movement of the two upright posts, the wind shield can move up and down to achieve the effect of turbulence on the wind and sand flow, and the effect of prolonging the service life of the sand-preventing wall when the wind and sand continuously impact is achieved;
2. By arranging the arc-shaped wind shield, the wind and sand flow can flow along the surface of the wall body, the original linear motion path of the wind and sand is changed, and the wind and sand flow can be dispersed into two or more smaller air flows in front of the wall, so that the concentrated impact force of the wind and sand on the wall body is dispersed;
3. Through having set up the gag lever post, the gag lever post slides along the spacing groove for the elastic component can only take place the deformation of vertical direction, avoids the elastic component to take place the deformation of horizontal direction.
Drawings
FIG. 1 is a schematic view of a snap-action type sand blocking wall according to the present application;
FIG. 2 is an enlarged partial view of portion A of FIG. 1 in accordance with the present application;
FIG. 3 is a cross-sectional view of FIG. 2 of the present application;
FIG. 4 is a schematic view of the structure of the inner wall of the air outlet of the present application;
FIG. 5 is a schematic view of another form of the inner wall of the air outlet of the present application.
In the figure, 1, upright post, 11, limit rod, 111, sliding block, 2, wind shield, 21, wind outlet, 211, diversion trench, 212, spoiler, 3, fixing component, 31, bottom plate, 311, spring trench, 3111, limit trench, 31111, chute, 32, plug-in rod, 321, reinforcing plate, 33, connecting plate, 34, connecting thorn, 4, elastic piece, 5 and travel control rod.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings.
Embodiment one:
Referring to fig. 1-3, the spring type sand blocking wall provided in this embodiment includes two columns 1, wind deflectors 2, elastic members 4 and a fixing component 3, where the two columns 1 are provided, the wind deflectors 2 are provided with a plurality of wind deflectors 2 and are arranged along the height direction of the two columns 1, two ends of each wind deflector 2 are respectively and fixedly connected with the two columns 1, each wind deflector 2 is provided with a plurality of air outlet holes 21, two spring grooves 311 are formed in the upper surface of the fixing component 3 and extend inwards, the two columns 1 are respectively inserted into the two spring grooves 311, the two elastic members 4 are provided so that one elastic member 4 is correspondingly arranged in each spring groove 311, two ends of each elastic member 4 are respectively and fixedly connected with the bottom wall of the spring groove 311 and the column 1, the two columns 1 can move up and down along the spring groove 311 under the action of wind and sand flow, and further the effect of turbulent flow is achieved, and in this embodiment, the air outlet holes 21 are diamond-shaped.
Referring to fig. 1, each wind deflector 2 is arc-shaped, and each wind deflector 2 is in a state that two ends of a protrusion at one end, close to the windward side, of the middle part are fixedly connected with two upright posts 1 respectively, the protrusion degree of the wind deflector 2 positioned at the middle part of the wind deflector 2 is maximum, and the protrusion degree of the wind deflector 2 at the upper and lower ends is gradually reduced, so that the side wall of the whole wall body is arc-shaped, specifically, according to the bernoulli principle, the pressure change is caused by the speed change, the air flow speed is high, the pressure is relatively low, the air flow speed is slow and the pressure is relatively high at the concave surface, and the existence of the pressure difference can generate a force perpendicular to the air flow direction, so that the air flow generates a motion component in the vertical direction, thereby disturbing the original stable flow state of the air flow, and further reducing the impact of the air flow to the same position.
Referring to fig. 1, gaps are reserved between adjacent wind shields 2, and the gaps can reduce resistance of wind and sand flow to the whole wall body and prolong the service life of the wall body.
Referring to fig. 3, the bottom wall of each spring slot 311 is provided with a limiting slot 3111 downward along the length direction, a limiting rod 11 is penetrated inside the elastic member 4, one end of the limiting rod 11 is fixedly connected with the bottom wall of the upright 1, the other end of the limiting rod is inserted into the limiting slot 3111, so that the limiting rod 11 slides reciprocally along the limiting slot 3111 in the deformation process of the elastic member 4, and the limiting rod 11 moves along the limiting slot 3111 to limit the deformation direction of the elastic member 4.
Referring to fig. 3, a sliding groove 31111 is concavely formed in a side wall of each limiting groove 3111, a sliding block 111 is fixedly connected to the side wall of each limiting rod 11 corresponding to the sliding groove 31111, the sliding block 111 is in plug-in fit with the sliding groove 31111, the sliding block 111 can move up and down along the sliding groove 31111, when the limiting rod 11 reciprocates along the limiting groove 3111, the sliding block 111 can be driven to move up and down along the sliding groove 31111, accordingly, the deformation of the elastic piece 4 can be limited by the width of the sliding groove 31111 in the up-down direction, a threaded hole is formed in the top wall of the sliding groove 31111, a stroke control rod 5 is arranged in the threaded hole, the stroke control rod 5 is in threaded connection with the threaded hole, the depth of the stroke control rod 5 inserted into the sliding groove 31111 can be controlled by rotating the stroke control rod 5 around the threaded hole, the sliding range of the sliding block 111 can be controlled in the sliding direction of the sliding groove 31111 can be controlled, the deformation degree of the elastic piece 4 can be controlled by controlling the sliding range of the sliding block 111, and the relation between the stroke control rod 5 and the threaded hole can be adjusted according to the on-site state.
Referring to fig. 1-2, the fixing assemblies 3 are provided with two fixing assemblies 3, so that each upright 1 corresponds to one fixing assembly 3, each fixing assembly 3 comprises a bottom plate 31, a plugging rod 32, a connecting plate 33 and connecting thorns 34, the upper surface of the bottom plate 31 is used for being connected with the upright 1, namely, a spring groove 311 is formed by opening the upper surface of the bottom plate 31 inwards, the plugging rod 32 is arranged on the lower surface of the bottom plate 31, the plugging rod 32 is fixedly connected with the bottom plate 31, the plugging rod 32 is inserted into the ground, reinforcing plates 321 are arranged on the outer sides of the plugging rod 32, the reinforcing plates 321 are arranged in a threaded mode around the outer walls of the plugging rod 32 and are fixedly connected with the plugging rod 32, friction force between the plugging rod 32 and the ground is increased by the reinforcing plates 321, so that the plugging rod 32 is plugged into the ground more stably, the connecting plate 33 is arranged at one end of the plugging rod 32, which is away from the bottom plate 31, the connecting thorns 34 are fixedly connected with the plugging rod 32, the connecting thorns 34 are uniformly arranged in a radial mode, the periphery of the connecting plate 33, each connecting thorns 34 are horizontally arranged on the bottom plate 31, each connecting thorns 34 are horizontally arranged with the horizontal surface of the bottom plate 31, and the connecting thorns 34 are horizontally arranged, and the plugging rod 32 is used for increasing the resistance to be connected with the ground in a stable state.
Embodiment two:
Referring to fig. 4, the difference between the present embodiment and the first embodiment is that each air outlet 21 is circular, the inner wall of each air outlet 21 is uniformly provided with an inward concave diversion trench 211, each diversion trench 211 is disposed along the flow direction of the wind and sand flow, each diversion trench 211 is arc-shaped, in the present embodiment, the depth of the diversion trench 211 is controlled to be 1-2 mm, which can ensure the effective guiding effect on the air flow without excessively weakening the structural strength of the air outlet 21, and the width is designed to be 3-5 mm, which is helpful for the air flow to stably enter the diversion trench 211 and maintain the stable flow state.
Referring to fig. 4, when the air flow is flushed into the air outlet 21 at a high speed, the diversion trench 211 changes the air flow direction by means of its own arc shape, so that the air flow flows along the side wall of the air outlet 21, and thus, the sand particles are "pushed" to flow along the side wall of the diversion trench 211 and out to the outlet under the dual actions of inertia and air flow guiding, so as to avoid the sand particles accumulating in the middle of the air outlet 21, and achieve the effect of sand and dust evacuation of the air outlet 21.
Embodiment III:
Referring to fig. 5, the difference between the present embodiment and the second embodiment is that a plurality of spoilers 212 are disposed on the inner wall of the air outlet 21, the spoilers 212 are integrally and fixedly connected to the inner wall of the air outlet 21 in a scale shape, in this embodiment, the height of protrusions of the spoilers 212 is controlled to be 0.1-0.3mm, the arrangement of the spoilers 212 disturbs the flow state of the air flow near the air outlet 21, when the wind-blown sand air flow shuttles against the side wall of the air outlet 21, the spoilers 212 promote the air flow to generate local turbulence and vortex flow, and under the effect of the vortex, the sand particles are involved in the vortex, the movement track is continuously changed, and the vortex moves toward the side wall of the air outlet 21 under the combined effect of centrifugal force and air flow, thereby increasing the entrapment efficiency of the sand particles, and enhancing the filtering capability of the air outlet 21 on the sand.
The embodiment of the application provides a spring type sand blocking wall, which is implemented by inserting a plug rod 32 into the ground to enable the wall to be connected with the ground, then driving an upright post 1 to move up and down in a spring groove 311 by an elastic element 4 under the elastic action of the elastic element when wind blows to the wall, and driving a wind shield 2 to move up and down by the upright post 1 so as to enable the position of an air outlet 21 to displace up and down, thereby achieving the effect of disturbing the wind and sand flow and avoiding the wind and sand flow from continuously striking the same position.
The present embodiment is only for explanation of the present application and is not to be construed as limiting the present application, and modifications to the present embodiment, which may not creatively contribute to the present application as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present application.
Claims (10)
1. A spring type sand blocking wall is characterized by comprising two upright posts (1), wherein a plurality of wind shields (2) are arranged between the two upright posts (1) from top to bottom, air outlet holes (21) are formed in each wind shield (2), a fixing component (3) is arranged on the bottom wall of each upright post (1), the fixing component (3) is used for connecting the two upright posts (1) with the ground, two spring grooves (311) are formed in the upper surface of the fixing component (3) in an extending mode, the two upright posts (1) are inserted into the two spring grooves (311) respectively, elastic pieces (4) are arranged in each spring groove (311), and two ends of each elastic piece (4) are fixedly connected with the bottom wall of each spring groove (311) and the upright posts (1) respectively.
2. The elastic sand blocking wall according to claim 1 is characterized in that each wind blocking plate (2) is arc-shaped, two ends of a protrusion at the middle part of each wind blocking plate are respectively connected with two upright posts (1), the middle part of each wind blocking plate protrudes towards one end close to the windward side, the protrusion degree of the wind blocking plate (2) located in the middle part of each wind blocking plate (2) is maximum, and the protrusion degree of the upper side and the lower side is gradually reduced.
3. The spring type sand blocking wall according to claim 1, wherein gaps are reserved between the adjacent wind shields (2).
4. The bouncing type sand blocking wall of claim 1 is characterized in that a limiting groove (3111) is formed in the bottom wall of each bouncing groove (311) downwards along the length direction, a limiting rod (11) is arranged in the elastic piece (4) in a penetrating mode, one end of the limiting rod (11) is fixedly connected with the bottom wall of the upright post (1), the other end of the limiting rod is inserted into the limiting groove (3111), and the limiting rod (11) slides back and forth along the limiting groove (3111) in the deformation process of the elastic piece (4).
5. The spring type sand blocking wall according to claim 4, wherein a sliding groove (31111) is formed in the side wall of the limiting groove (3111) in an inward sunken mode, a sliding block (111) is fixedly connected to the side wall of the limiting rod (11) corresponding to the sliding groove (31111), the sliding block (111) is in plug-in fit with the sliding groove (31111), and the sliding block (111) can move up and down along the sliding groove (31111).
6. The spring type sand blocking wall according to claim 5, wherein a threaded hole is formed in the top wall of the sliding groove (31111), a travel control rod (5) is arranged in the threaded hole, the travel control rod (5) is in threaded connection with the threaded hole, and the travel control rod (5) can control the maximum distance that the sliding block (111) slides up and down in the sliding groove (31111).
7. The elastic sand blocking wall according to claim 1, wherein the fixing assembly (3) comprises a bottom plate (31) and an inserting rod (32), the two upright posts (1) are connected with the upper surface of the bottom plate (31), the inserting rod (32) is fixedly connected to the lower surface of the bottom plate (31), the inserting rod (32) is inserted into the ground, a circle of reinforcing plates (321) are arranged on the periphery of the inserting rod (32), the reinforcing plates (321) are wound on the periphery of the inserting rod (32) in a threaded mode, and the reinforcing plates (321) are used for increasing friction force between the inserting rod (32) and the ground after being inserted.
8. The spring type sand blocking wall according to claim 7, wherein the bottom wall of the threaded rod is fixedly connected with a connecting plate (33), a plurality of connecting thorns (34) are uniformly arranged on the periphery of the connecting plate (33), and each connecting thorn (34) is parallel to the horizontal plane of the bottom plate (31).
9. The spring type sand blocking wall according to claim 1, wherein a plurality of spoilers (212) are arranged on the inner wall of the air outlet hole (21).
10. The elastic sand blocking wall according to claim 1, wherein the inner wall of the air outlet hole (21) is provided with a diversion trench (211) in a recessed manner, and the diversion trench (211) is arc-shaped and is arranged along the airflow flowing direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411907987.5A CN119392631B (en) | 2024-12-24 | 2024-12-24 | A spring-type sand retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411907987.5A CN119392631B (en) | 2024-12-24 | 2024-12-24 | A spring-type sand retaining wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119392631A true CN119392631A (en) | 2025-02-07 |
| CN119392631B CN119392631B (en) | 2025-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411907987.5A Active CN119392631B (en) | 2024-12-24 | 2024-12-24 | A spring-type sand retaining wall |
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| Country | Link |
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| CN (1) | CN119392631B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200320623Y1 (en) * | 2003-04-25 | 2003-07-23 | 주식회사 동아기술공사 | Snow/sand protection fence |
| KR20070054493A (en) * | 2005-11-23 | 2007-05-29 | 주식회사 엘지화학 | Dry wall fixing device using elastic member. |
| CN111501590A (en) * | 2020-05-11 | 2020-08-07 | 中铁西北科学研究院有限公司 | Double-layer turbulence type snow retaining wall |
| CN114263131A (en) * | 2021-12-24 | 2022-04-01 | 石河子大学 | Sand prevention net fixing assembly |
| CN117966636A (en) * | 2023-12-28 | 2024-05-03 | 甘肃中铁建设工程有限公司 | A special-shaped fence-type sand retaining wall |
| CN117966635A (en) * | 2023-12-28 | 2024-05-03 | 甘肃中铁建设工程有限公司 | A fixed special-shaped structural fence sand retaining wall |
| CN221523343U (en) * | 2023-12-28 | 2024-08-13 | 甘肃中铁建设工程有限公司 | A sand-proof fence |
-
2024
- 2024-12-24 CN CN202411907987.5A patent/CN119392631B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200320623Y1 (en) * | 2003-04-25 | 2003-07-23 | 주식회사 동아기술공사 | Snow/sand protection fence |
| KR20070054493A (en) * | 2005-11-23 | 2007-05-29 | 주식회사 엘지화학 | Dry wall fixing device using elastic member. |
| CN111501590A (en) * | 2020-05-11 | 2020-08-07 | 中铁西北科学研究院有限公司 | Double-layer turbulence type snow retaining wall |
| CN114263131A (en) * | 2021-12-24 | 2022-04-01 | 石河子大学 | Sand prevention net fixing assembly |
| CN117966636A (en) * | 2023-12-28 | 2024-05-03 | 甘肃中铁建设工程有限公司 | A special-shaped fence-type sand retaining wall |
| CN117966635A (en) * | 2023-12-28 | 2024-05-03 | 甘肃中铁建设工程有限公司 | A fixed special-shaped structural fence sand retaining wall |
| CN221523343U (en) * | 2023-12-28 | 2024-08-13 | 甘肃中铁建设工程有限公司 | A sand-proof fence |
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| Publication number | Publication date |
|---|---|
| CN119392631B (en) | 2025-09-26 |
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