Soil fixation device for reclamation of open-pit mining abandoned platform
The combination design of L-shaped prefabricated components and permeable geotextiles solves the problem of unstable soil cover in the reclamation of abandoned open-pit mine platforms, achieving efficient and convenient soil stabilization and adapting to the construction needs of different reclamation standards and sites.
Patent Information
- Application Number
- CN202520502088.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-21
AI Technical Summary
In the reclamation of abandoned open-pit mine platforms, the external retaining wall method and the foundation trench method have problems such as high construction difficulty and poor stability, making it difficult to effectively guarantee the stability and safety of the backfill.
The system employs a combination of L-shaped precast components, anchors, and permeable geotextile. The L-shaped precast components are fixed to the platform by the anchors, and detachable male and female fasteners are used for connection. Combined with the design of permeable holes and anchor holes, an integrated soil stabilization structure is formed.
It improves the overall stability and safety of the backfill, simplifies the construction process, reduces construction difficulty, reduces later maintenance costs, and adapts to different reclamation standards and site requirements.
Smart Images
Figure CN223922154U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of solid soil devices of open-pit mining abandoned platform reclamation, belong to reclamation solid soil technical field. BACKGROUND
[0002] Open-pit mine abandoned platform reclamation refers to the land damaged and occupied by open-pit mining of coal and other mineral resources is taken remediation measures to restore it to a usable state. The main object of open-pit mine land reclamation is the open-pit mine and dump that have been excavated. The theoretical concept of reclamation is to limit and remove the harmful effects of open-pit mining on the environment in space, and to create conditions for the quick recovery of the damaged land by using the fertile soil previously collected (stripped) from the mine land.
[0003] Open-pit mine abandoned platform reclamation often needs to be covered with soil as a prerequisite, and the effect of reclamation can only be guaranteed if the covered soil is stable for at least 3 years. The common way to ensure the stability of covered soil, i.e. soil fixation method, is:
[0004] 1) Outside soil retaining facility method: a low soil retaining facility slightly higher than the thickness of the covered soil is set up on the outside of the platform using brick or dry masonry method to fix the covered soil and prevent soil loss to the outside.
[0005] 2) Base trench method: a reclamation base trench is carved out on the abandoned platform, about 20 cm wide of bedrock is reserved on the outside, the depth of the base trench is about 60 cm-100 cm, and the covered soil is backfilled to the reclamation base trench and slightly lower than the height of the reserved bedrock.
[0006] The above two soil fixation methods still have deficiencies, specifically:
[0007] 1) The outside soil retaining facility method has high requirements for the combination of masonry and bedrock, and it is difficult to build. From the actual effect, the outside soil retaining facility has poor stability and is prone to overall collapse, so the soil fixation effect is poor.
[0008] 2) The base trench method: carving a trench on the bedrock has high construction requirements and is difficult to implement in general mine restoration projects. On the other hand, the stability of the part reserved on the outside is high, and the weathered bedrock cannot form a stable outside barrier, so it cannot achieve the purpose of soil fixation.
[0009] Based on the above reasons, the present application provides a kind of solid soil devices of open-pit mining abandoned platform reclamation. SUMMARY
[0010] In order to overcome the deficiencies of the prior art, the utility model provides a kind of solid soil devices of open-pit mining abandoned platform reclamation.
[0011] The utility model discloses a technical scheme which is: design a kind of open-pit mining abandoned platform reclamation's soil fixation device, it includes L-shaped prefabricated part, anchoring and water-permeable geotextile, the L-shaped prefabricated part includes fender and stable plate, integrally formed, and form L-shaped structure, water-permeable hole and anchoring hole are provided on the stable plate, the anchoring hole is threaded with the anchoring, the water-permeable geotextile is laid on L-shaped prefabricated part, L-shaped prefabricated part left and right sides are respectively hinged with female buckle and female buckle;When soil fixation, wait for reclamation platform periphery to surround multiple L-shaped prefabricated parts and be fixed stable by anchoring, after L-shaped prefabricated part is fixed on the anchoring hole of the anchoring, L-shaped prefabricated part is detachably connected between two two through female buckle and female buckle, and the water-permeable geotextile is laid on the L-shaped prefabricated part.
[0012] Further, the female buckle and the female buckle are respectively arranged on the left and right sides of the fender, the left and right sides of the fender are respectively provided with a clearance slot, and the female buckle and the female buckle are respectively hingedly arranged in the clearance slot.
[0013] Further, the upper and lower ends of the clearance slot are respectively provided with mounting holes, and the upper and lower ends of the female buckle and the female buckle are respectively connected with the corresponding mounting holes and can rotate along the connection.
[0014] Further, the female buckle includes a buckle column, the female buckle includes a buckle pipe, and when the two L-shaped prefabricated parts are connected to each other, the buckle column on the adjacent side of the two L-shaped prefabricated parts is inserted into the buckle pipe to realize detachable connection of the female buckle and the female buckle.
[0015] Further, the female buckle further includes a first rotating column and a first connecting plate, the upper and lower ends of the first rotating column are respectively inserted into the mounting holes at the upper and lower ends of the clearance slot, and the first rotating column is connected with the buckle column through the first connecting plate; the female buckle further includes a second rotating column and a second connecting plate, the upper and lower ends of the second rotating column are respectively inserted into the mounting holes at the upper and lower ends of the clearance slot, and the second rotating column is connected with the buckle pipe through the second connecting plate.
[0016] Further, the first connecting plate and the two ends of the buckle column are aligned, the second connecting plate and the two ends of the buckle pipe are aligned, the buckle pipe is provided with a through hole penetrating through the buckle pipe, and when the female buckle and the female buckle are inserted, the through hole is for the first connecting plate to pass through.
[0017] Further, the width of the through hole is greater than the thickness of the first connecting plate.
[0018] Further, the length of the buckle column is equal to the length of the buckle pipe, and the length of the buckle pipe is not less than two-thirds of the height of the fender.
[0019] Further, the stable plate is provided with two rows of anchor holes, each row of anchor holes comprises at least three anchor holes, the anchor holes are arranged obliquely, and the oblique directions of the two rows of anchor holes on the stable plate are opposite, and are obliquely arranged towards opposite ends of the stable plate by 10-30 degrees.
[0020] Further, the stable plate is provided with a grid-shaped water collecting mesh groove, and the water permeable holes are arranged at each grid intersection of the water collecting mesh groove.
[0021] Compared with the prior art, the utility model has the beneficial effects that:
[0022] The L-shaped prefabricated part is an integrated prefabricated part, and the stability of the integral component can be ensured through the anchoring member and the self weight of the soil body.
[0023] The utility model discloses a whole simple structure, easy production processing manufacturing.
[0024] The prefabricated component is suitable for narrow space, and can be installed quickly, thereby saving construction time.
[0025] The utility model discloses the design is reasonable, and the construction is convenient, and the material is simple, can effectively solve the open pit mine abandoned platform reclamation soil's instability, insecurity, and the problem that construction is not convenient, has stronger practicality and convenience. BRIEF DESCRIPTION OF DRAWINGS
[0026] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without paying creative labor.
[0027] Figure 1 It is the schematic view when the utility model is used to solidify soil.
[0028] Figure 2 It is the schematic view when the utility model L-shaped prefabricated part is connected.
[0029] Figure 3 It is the L-shaped prefabricated part schematic view of the utility model.
[0030] Figure 4 It is the sub-buckle schematic view of the utility model.
[0031] Figure 5 It is the female buckle schematic view of the utility model.
[0032] In the drawing: 1, L-shaped prefabricated part;2, anchoring piece;3, water permeable geotextile;4, soil retaining plate;5, stable plate;6, water permeable hole;7, anchoring hole;8, sub-buckle;9, female buckle;10, give place slot;11, mounting hole;12, buckling column;13, buckling pipe;14, first rotating column;15, first connecting plate;16, second rotating column;17, second connecting plate;18, through hole;19, water collecting net groove. DETAILED DESCRIPTION
[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the scope of protection of the utility model.
[0034] In the description of the utility model, it is necessary to explain that, unless there is explicit provision and limitation, if the terms "installation", "connection" and "connection" are used, they should be understood broadly, for example, it can be fixedly connected, can be detachably connected, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0035] Embodiment 1
[0036] As Figures 1-3As shown in the drawings, a soil fixing device for reclamation of an abandoned platform in open-pit mining comprises an L-shaped prefabricated part 1, an anchoring part 2 and a water-permeable geotextile 3. The L-shaped prefabricated part 1 comprises a retaining plate 4 and a stabilizing plate 5, which are integrally formed and form an L-shaped structure. The stabilizing plate 5 is provided with water-permeable holes 6 and anchoring holes 7 penetrating through the stabilizing plate 5. The anchoring part 2 is arranged in the anchoring holes 7. The anchoring part 2 can be an expansion bolt. The water-permeable geotextile 3 is arranged on the L-shaped prefabricated part 1. The L-shaped prefabricated part 1 is respectively hingedly connected with a male buckle 8 and a female buckle 9 on the left and right sides thereof. When fixing the soil, a plurality of the L-shaped prefabricated parts 1 are arranged around the periphery of an abandoned platform to be reclaimed after open-pit mining and are fixed and stabilized by the anchoring part 2. The anchoring part 2 fixes the L-shaped prefabricated part 1 on the platform to be reclaimed through the anchoring holes 7. The L-shaped prefabricated parts 1 are detachably connected with each other through the male buckle 8 and the female buckle 9. Since the male buckle 8 and the female buckle 9 are hingedly connected with the L-shaped prefabricated part 1, the L-shaped prefabricated parts 1 have more degrees of freedom before and after being connected with each other, so that the L-shaped prefabricated parts 1 are conveniently connected with each other and adjusted in position. After the L-shaped prefabricated part 1 is installed, the water-permeable geotextile 3 is arranged on the L-shaped prefabricated part 1. The water-permeable holes 6 and the water-permeable geotextile 3 can ensure the drainage performance of the soil and meet the reclamation requirements. The L-shaped prefabricated part 1 is made of light-weight high-molecular degradable material. Compared with conventional masonry barriers, the prefabricated part made of light-weight high-molecular degradable material is less affected by climate change and vegetation growth, and the maintenance cost in the later period is reduced.
[0037] Embodiment 2
[0038] This embodiment is a further optimization and refinement of the structure of the male buckle 8 and the female buckle 9 based on Embodiment 1. Specifically,
[0039] As shown in the drawings, Figure 4 and Figure 5 the male buckle 8 and the female buckle 9 are arranged on the left and right sides of the retaining plate 4, respectively, so as to facilitate the quick connection between the L-shaped prefabricated parts 1. The left and right sides of the retaining plate 4 are respectively provided with accommodation grooves 10. The male buckle 8 and the female buckle 9 are respectively hingedly arranged in the accommodation grooves 10, so as to reduce the protrusion of the male buckle 8 and the female buckle 9 from the volume of the L-shaped prefabricated part 1, and make the L-shaped prefabricated parts 1 as close as possible after being connected with each other, thereby reducing the gap between the L-shaped prefabricated parts 1. In order to facilitate the connection and position adjustment between the L-shaped prefabricated parts 1, a certain gap is allowed between the L-shaped prefabricated parts 1.
[0040] In this embodiment, the upper and lower ends of the accommodation groove 10 are respectively provided with mounting holes 11. The upper and lower ends of the male buckle 8 and the female buckle 9 are respectively connected with the corresponding mounting holes 11 and can rotate along the connection, so as to realize the hinged arrangement of the male buckle 8 and the female buckle 9. The structure is simple, and the manufacturing and assembly are convenient. Of course, the male buckle 8 and the female buckle 9 can also be hingedly connected with the L-shaped prefabricated part 1 in other ways.
[0041] Embodiment 3
[0042] This embodiment is further optimization and refinement of the structure of the male buckle 8 and the female buckle 9 based on embodiment 2, specifically:
[0043] The male buckle 8 includes a buckle connecting column 12, and the female buckle 9 includes a buckle connecting pipe 13. When the two L-shaped prefabricated parts 1 are connected to each other, the buckle connecting columns 12 on the adjacent sides of the two are inserted into the buckle connecting pipes 13 from top to bottom to realize detachable connection of the male buckle 8 and the female buckle 9, and the connection operation is simple.
[0044] In this embodiment, the male buckle 8 further includes a first rotating column 14 and a first connecting plate 15, the upper and lower ends of the first rotating column 14 are respectively inserted into the mounting holes 11 at the upper and lower ends of the accommodation slot 10, and the first rotating column 14 is connected with the buckle connecting column 12 through the first connecting plate 15; the female buckle 9 further includes a second rotating column 16 and a second connecting plate 17, the upper and lower ends of the second rotating column 16 are respectively inserted into the mounting holes 11 at the upper and lower ends of the accommodation slot 10, and the second rotating column 16 is connected with the buckle connecting pipe 13 through the second connecting plate 17.
[0045] In this embodiment, the first connecting plate 15 and the buckle connecting column 12 are aligned at both ends, the second connecting plate 17 and the buckle connecting pipe 13 are aligned at both ends, the structure connection is more stable, the buckle connecting pipe 13 is provided with a through hole 18 penetrating through the buckle connecting pipe 13, and the through hole 18 is used for the first connecting plate 15 to pass through when the male buckle 8 and the female buckle 9 are inserted and connected.
[0046] In this embodiment, the width of the through hole 18 is greater than the thickness of the first connecting plate 15, so that the connection part of the male buckle 8 and the female buckle 9 can rotate within a certain range after being inserted and connected, and it is more convenient to adjust the position of the L-shaped prefabricated part 1.
[0047] Embodiment 4
[0048] This embodiment is further optimization and refinement of the structure of the male buckle 8 and the female buckle 9 based on embodiment 3, specifically:
[0049] The length of the buckle connecting column 12 is equal to the length of the buckle connecting pipe 13, and the length of the buckle connecting pipe 13 is not less than two-thirds of the height of the soil retaining plate 4, so that the connection between the two L-shaped prefabricated parts 1 is reliable.
[0050] Embodiment 5
[0051] This embodiment is further optimization and refinement of the anchor hole 7 based on embodiment 4, specifically:
[0052] The stable plate 5 is provided with two rows of anchoring holes 7, each row of anchoring holes 7 comprises at least three anchoring holes 7, the anchoring holes 7 are arranged obliquely, so that the anchoring holes 7 are obliquely arranged after the anchoring member 2 enters the anchoring holes 7 into the platform to be reclaimed, the anchoring member 2 is prevented from being easily lifted vertically upward after the L-shaped prefabricated part 1 is fixed, the fixing effect and the soil retaining effect of the L-shaped prefabricated part 1 are strengthened, the two rows of anchoring holes 7 on the stable plate 5 are oppositely inclined, and are respectively inclined towards opposite ends of the stable plate 5, so that the fixing effect and the soil retaining effect of the L-shaped prefabricated part 1 are further strengthened, and the anchoring holes 7 are arranged at an inclination of 10-30°, preferably 15°.
[0053] Embodiment 6
[0054] The embodiment is further optimization and refinement of the structure and arrangement of the water-permeable hole 6 on the basis of embodiment 5, in particular:
[0055] The stable plate 5 is provided with a grid-shaped water collecting mesh groove 19, and the water-permeable hole 6 is arranged at each grid intersection of the water collecting mesh groove 19, so that the water permeation effect of the stable plate 5 is enhanced.
[0056] When the utility model is used, the stable plate 5 of the L-shaped prefabricated part 1 is laid on the treated platform of bedrock to be reclaimed, the stable plate 5 is fixed by using the anchoring member 2, then the next L-shaped prefabricated part 1 is installed, the L-shaped prefabricated part 1 is connected with the previously fixed L-shaped prefabricated part 1, the position is adjusted, then the L-shaped prefabricated part 1 is fixed by using the anchoring member 2, after all the L-shaped prefabricated parts 1 are installed in this way, the water-permeable geotextile 3 is laid on the L-shaped prefabricated parts 1, on this basis, the soil covering is started, and the soil covering thickness is slightly lower than the soil retaining plate 4 by about 5cm. The stable plate 5 is fixed by using the anchoring member 2, and the self weight of the soil covering, so that the whole component is stable, has the effect of preventing scouring, and can guarantee the stability of the platform soil covering. The application is convenient for standardized construction, after the platform is conventionally cleaned, the soil covering construction requirement can be met by using a simple process, compared with the conventional method, the construction difficulty is reduced, the stability is higher, and the later maintenance cost can be reduced.
[0057] Further, in the description of the present application, unless otherwise specified, if the terms "a plurality of", "a plurality of", "a plurality of" are used, the meaning of two or more than two, "a plurality of", "a plurality of", "a plurality of" is one or more than one. In the description of the present application, it should be noted that if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "internal", "external" and other indicated orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, structure and operation, therefore cannot be understood as limiting the present application. In addition, if the terms "first", "second", "third" are used only for descriptive purposes, and cannot be understood as indicating or implying relative importance.
[0058] The specific embodiments of the present application are described in detail above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application.
Claims
1. A soil stabilizing device for reclamation of abandoned platforms in surface mining, characterized in that: The application relates to a soil stabilizing device, which comprises L-shaped prefabricated parts, anchoring parts and water-permeable geotextile, wherein the L-shaped prefabricated parts comprise a soil retaining plate and a stabilizing plate which are integrally formed and form an L-shaped structure, the stabilizing plate is provided with water-permeable holes and anchoring holes, the anchoring parts are arranged in the anchoring holes, the water-permeable geotextile is arranged on the L-shaped prefabricated parts, and the L-shaped prefabricated parts are respectively hingedly connected with female and male buckles on the left and right sides.
2. The soil stabilizing device for reclamation of abandoned platforms in surface mining according to claim 1, characterized in that: The female and male buckles are arranged on the left and right sides of the soil retaining plate, respectively, and the left and right sides of the soil retaining plate are respectively provided with accommodation grooves, and the female and male buckles are respectively arranged in the accommodation grooves.
3. The soil stabilizing device for reclamation of abandoned platforms in surface mining according to claim 2, characterized in that: The upper and lower ends of the accommodation grooves are respectively provided with mounting holes, and the upper and lower ends of the female and male buckles are respectively connected with the corresponding mounting holes and can rotate along the connecting portions.
4. The soil stabilizing device for reclamation of abandoned platforms in surface mining according to claim 3, characterized in that: The female buckle comprises a buckle connecting column, the male buckle comprises a buckle connecting pipe, and when two L-shaped prefabricated parts are connected with each other, the buckle connecting columns on the adjacent sides of the two L-shaped prefabricated parts are inserted into the buckle connecting pipe to realize the detachable connection of the female and male buckles.
5. The soil stabilizing device for reclamation of abandoned platforms in surface mining according to claim 4, characterized in that: The female buckle further comprises a first rotating column and a first connecting plate, the upper and lower ends of the first rotating column are respectively inserted into the mounting holes at the upper and lower ends of the accommodation grooves, and the first rotating column is connected with the buckle connecting column through the first connecting plate; the male buckle further comprises a second rotating column and a second connecting plate, the upper and lower ends of the second rotating column are respectively inserted into the mounting holes at the upper and lower ends of the accommodation grooves, and the second rotating column is connected with the buckle connecting pipe through the second connecting plate.
6. The soil stabilizing device for reclamation of abandoned platforms in surface mining according to claim 5, characterized in that: The first connecting plate is aligned with the two ends of the buckle connecting column, the second connecting plate is aligned with the two ends of the buckle connecting pipe, the buckle connecting pipe is provided with a through hole penetrating through the buckle connecting pipe, and when the female and male buckles are inserted into each other, the through hole is used for the first connecting plate.
7. The soil stabilizing device for reclamation of abandoned platforms in surface mining according to claim 6, characterized in that: The width of the through hole is greater than the thickness of the first connecting plate.
8. The soil stabilizing device for reclamation of abandoned platforms in surface mining according to claim 7, characterized in that: The length of the buckle connecting column is equal to the length of the buckle connecting pipe, and the length of the buckle connecting pipe is not less than two-thirds of the height of the soil retaining plate.
9. The soil stabilizing device for reclamation of abandoned platforms for open pit mining according to any of claims 1 - 8, characterized in that: The stabilizing plate is provided with two rows of anchoring holes, each row of anchoring holes comprises at least three anchoring holes, the anchoring holes are arranged in an inclined manner, the two rows of anchoring holes on the stabilizing plate are arranged in opposite inclined directions and are respectively inclined towards opposite ends of the stabilizing plate, and the two rows of anchoring holes are arranged in an inclined manner of 10-30 degrees.
10. The soil stabilizing device for reclamation of abandoned platforms in surface mining according to claim 9, characterized in that: The stabilizing plate is provided with a grid-shaped water collecting net groove, and the water-permeable holes are arranged at each grid intersection of the water collecting net groove.