CN111455998A - Geogrid positioner is used in mine - Google Patents

Geogrid positioner is used in mine Download PDF

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Publication number
CN111455998A
CN111455998A CN202010251854.2A CN202010251854A CN111455998A CN 111455998 A CN111455998 A CN 111455998A CN 202010251854 A CN202010251854 A CN 202010251854A CN 111455998 A CN111455998 A CN 111455998A
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China
Prior art keywords
barb
column
positioning
geogrid
polygonal
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CN202010251854.2A
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Chinese (zh)
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CN111455998B (en
Inventor
任飞
廖海萍
孙协龙
明桂林
盛华圣
柳海军
周娟
牛杏杏
李学锋
姜明亮
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Anhui Jinlian Geology And Mineral Resources Technology Co ltd
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Anhui Jinlian Geology And Mineral Resources Technology Co ltd
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Priority to CN202010251854.2A priority Critical patent/CN111455998B/en
Publication of CN111455998A publication Critical patent/CN111455998A/en
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/005—Soil-conditioning by mixing with fibrous materials, filaments, open mesh or the like
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0084—Geogrids

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)

Abstract

The invention discloses a geogrid positioning device for a mine, and relates to the technical field of civil grids. The invention comprises a limiting frame; the limiting frame comprises a pressing plate and a positioning column; a plurality of positioning columns penetrate through the pressing plate; the bottom end of the positioning column is of a conical structure; the top end of the positioning column is provided with a blind hole; barb notches communicated with the blind holes are uniformly distributed on the circumferential side surface of the bottom of the positioning column; a barb column is in sliding fit in the blind hole; the end surface of the top end of the barb column is provided with a polygonal through hole. According to the invention, a group of insertion holes are drilled on the mine slope surface, the positioning columns are inserted into the insertion holes, the barbs of the barb columns penetrate through the barb notches to increase the friction force with the inner walls of the insertion holes, and the contact area between the barbs and the inner walls of the insertion holes is increased by the insertion fit of the prisms and the polygonal through holes, so that the geogrid is limited and fixed by the limiting frame; the process improves the fixing effect of the positioning device and the fixing capacity of the geogrid to soil and waste rocks.

Description

Geogrid positioner is used in mine
Technical Field
The invention belongs to the technical field of civil grilles, and particularly relates to a geogrid positioning device for a mine.
Background
People sometimes lay the geogrids on steep slope surfaces on two sides of a road so as to prevent waste rocks from falling off, injuring people or occupying the road and the like; or the geogrid is laid on a relatively slow mine slope surface, so that the stability of the geogrid on soil and plants is improved, and the re-green of the mine is realized; people usually fix the geogrids on the slope surface relatively by fixing the limiting pieces, but most of the existing limiting fixing pieces are formed by folding metal wires or metal pipes, and the fixing effect is poor, so that the geogrids cannot bear certain tensile force, and cannot play a role in fixing soil or stones and the like;
therefore, there is a need for a geogrid positioning device for mine to improve the fixing ability of geogrid, so as to prevent the phenomena of waste rock falling or soil loss.
Disclosure of Invention
The invention aims to provide a geogrid positioning device for a mine, which is characterized in that a group of insertion holes are formed in the slope surface of the mine, positioning columns are inserted into the insertion holes, barbs of barb columns penetrate through barb notches to increase the friction force with the inner walls of the insertion holes, and prisms are inserted into polygonal through holes to match with the polygonal through holes, so that the contact area between the barbs and the inner walls of the insertion holes is increased, and the geogrid is limited and fixed by a limiting frame; the problem of current spacing mounting poor to geogrid fixed effect is solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a geogrid positioning device for a mine, which comprises a limiting frame; the limiting frame comprises a pressing plate and a positioning column; a plurality of positioning columns penetrate through the pressing plate;
the bottom end of the positioning column is of a conical structure; the top end of the positioning column is provided with a blind hole; a plurality of barb notches communicated with the blind holes are uniformly distributed on the circumferential side surface of the bottom of the positioning column;
a barb column is in sliding fit in the blind hole; the end surface of the top end of the barb column is provided with a polygonal through hole; a plurality of fan-shaped blocks matched with the barb notches are uniformly distributed and fixed on the peripheral side surface of the bottom of the barb column;
barbs which are inclined upwards are uniformly distributed on the fan-shaped blocks; the peripheral side surface of the barb column between two adjacent fan-shaped blocks is provided with a strip-shaped notch communicated with the polygonal through hole;
a prism is inserted and matched in the polygonal through hole.
Furthermore, a sealing cover is in threaded fit with the top end of the positioning column, and a top column corresponding to the prism is fixed on the inner wall of the side face of the sealing cover.
Further, the cross-sectional profile of the polygonal through opening is a regular polygon; the cross-sectional profile of the prism is a regular polygon matched with the polygonal through opening.
Furthermore, the polygonal through opening is of a chamfered table structure; the prism is of a prismatic table structure.
Further, an arc-shaped step surface is formed between the circumferential side surfaces of the fan-shaped block and the barb column, and the arc-shaped step surface is attached to the inner surface of the blind hole.
The invention has the following beneficial effects:
1. according to the invention, a group of insertion holes are drilled on the mine slope surface, the positioning columns are inserted into the insertion holes, the barbs of the barb columns penetrate through the barb notches to increase the friction force with the inner walls of the insertion holes, and the contact area between the barbs and the inner walls of the insertion holes is increased by the insertion fit of the prisms and the polygonal through holes, so that the geogrid is limited and fixed by the limiting frame; the process improves the fixing effect of the positioning device and the fixing capacity of the geogrid to soil and waste rocks.
2. According to the positioning device, the sealing cover is arranged at the end part of the positioning column, so that the prism is prevented from moving along the length direction of the polygonal through hole, the contact area of the barb and the inner wall of the inserting hole is ensured, and the fixing effect of the positioning device is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic structural view of a stop bracket according to the present invention;
FIG. 4 is a schematic structural view of the barb of the present invention;
FIG. 5 is a schematic view of the present invention applied to a geogrid;
in the drawings, the components represented by the respective reference numerals are listed below:
1-limiting frame, 2-pressing plate, 3-positioning column, 4-barb column, 5-sector block, 6-prism, 7-sealing cover, 301-conical structure, 302-blind hole, 303-barb notch, 401-polygonal through hole, 402-strip notch, 501-barb and 502-arc step surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "top end surface," "open," "bottom," "top," "center," "inner," "peripheral side," and the like are used merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting the invention.
As shown in fig. 1 to 5, the invention relates to a geogrid positioning device for a mine, which comprises a limiting frame 1 and a geogrid 8; the limiting frame 1 comprises a pressing plate 2 and a positioning column 3; four positioning columns 3 in a rectangular array are fixedly penetrated on the pressing plate 2; the pressing plate 2 is mainly used for pressing and attaching the geogrid to be close to the upper surface of the mine;
the bottom end of the positioning column 3 is a conical structure 301, and the conical structure 301 facilitates the positioning column 3 to be inserted into a mine; the top end of the positioning column 3 is provided with a blind hole 302; three barb notches 303 communicated with the blind holes 302 are uniformly distributed on the bottom peripheral side surface of the positioning column 3, the barb notches 303 are uniformly distributed on the bottom peripheral side surface of the positioning column 3 in an array manner, and the length direction of the barb notches 303 is parallel to the central axis of the positioning column 3;
a barb 4 is in sliding fit in the blind hole 302; the end face of the top end of the barb column 4 is provided with a polygonal through hole 401, and the cross section profile of the polygonal through hole 401 is a regular triangle; three fan-shaped blocks 5 matched with the barb notch 303 are uniformly distributed and fixed on the peripheral side surface of the bottom of the barb column 4; when the barbed post 4 is inserted into the blind hole 302, the three segments 5 pass through the barbed notch 303; because the barb 501 inclines upwards, when the barb column 4 is inserted into the blind hole 302, the barb 501 moves towards the bottom of the blind hole 302 along the direction, so that the barb 501 does not influence the insertion of the barb column 4 into the blind hole 302;
barbs 501 inclining upwards are uniformly distributed on the sector blocks 5, and a plurality of barb openings inclining downwards are uniformly distributed on the sector blocks 5, so that the barbs 501 are formed; the peripheral side surface of the barbed column 4 between two adjacent fan-shaped blocks 5 is provided with a strip-shaped notch 402 communicated with the polygonal through hole 401;
a prism 6 is inserted into the polygonal through opening 401, and the cross section profile of the prism 6 is a regular triangle; when the barb 501 is subjected to external force, due to the existence of the strip-shaped notch 402, the two adjacent fan-shaped blocks 5 drive the barb 501 to approach each other, the contact area and the friction force between the barb 501 and a mine are reduced, and the barb column 4 can be easily taken out of the blind hole 302 under the action of the external force; when prism 6 pegs graft in polygon opening 401, even receive the exogenic action, two adjacent segments 5 will not drive barb 501 and be close to each other, have guaranteed area of contact and the frictional force in barb 501 and mine from this, have improved positioner's fixed effect.
Wherein, the top end of the positioning column 3 is in threaded fit with a sealing cover 7, and a top column corresponding to the prism 6 is fixed on the inner wall of the side surface of the sealing cover 7; when the cover 7 is mounted on the top of the positioning post 3, the prism 6 is prevented from being separated from the polygonal through hole 401, and the top of the prism 6 is contacted with the top of the positioning post to provide pressure for the prism 6.
The cross-sectional profile of the polygonal through opening 401 is a regular triangle; the cross-sectional profile of the prism 6 is a regular triangle adapted to the polygonal through opening 401. In addition, the polygonal through opening 401 can also be of an inverted frustum structure, that is, the top end of the polygonal through opening 401 is large, and the bottom end is small; the prism 6 can also be of a prism table structure, namely the prism 6 is small at the top end and large at the bottom end, so that the prism 6 can be conveniently inserted into the polygonal through hole 401, and the polygonal through hole 401 is large at the top end and small at the bottom end; the prism 6 has a small top end and a large bottom end; the bottom of prism 6 can support the bottom of polygon opening 401, prevents that three sectorial block 5 from driving barb 501 and being close to each other.
Wherein, an arc-shaped step surface 502 is formed between the circumferential side surfaces of the sector 5 and the barbed column 4, the arc-shaped step surface 502 is attached to the inner surface of the blind hole 302, and the bottom end of the barbed column 4 is prevented from being pulled out of the outside from the barbed notch 303.
One specific application of this embodiment is:
firstly, inserting the barb 4 into the blind hole 302 and making the sector 5 pass through the barb notch 303; then, punching a plurality of groups of four splicing holes in a rectangular array on the surface of the mine, wherein the diameter of each splicing hole is smaller than or equal to that of the positioning column 3; then, the geogrid 8 is laid on the surface of the mine, and the cross-shaped intersection of the geogrid 8 is positioned among the four splicing holes; finally, inserting the positioning column 3 of the limiting frame 1 into the blind hole 302, and enabling the pressing plate 2 to be pressed and attached to the geogrid; inserting the prism 6 into the polygonal through hole 401, so that the prism 6 supports the bottom of the barb column 4, and installing the sealing cover 7 at the top end of the positioning column 3; therefore, the contact area between the barb 501 and the inner wall of the plug hole is increased, and the friction force between the barb 501 and the inner wall of the plug hole is improved; people can pull out the geogrid positioning device for the mine from the inserting hole by using large strength, and the geogrid positioning device for the mine realizes relative fixation and limit of the geogrid;
in addition, the number of sides of the regular polygon formed by the cross-sectional profile of the prism 6 corresponds to the number of the barb notches 303, the segments 5, and the strip-shaped notches 402, so as to improve the supporting effect of the prism 6 on the segments 5.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. A geogrid positioning device for mines comprises a limiting frame (1); the method is characterized in that:
the limiting frame (1) comprises a pressing plate (2) and a positioning column (3); a plurality of positioning columns (3) penetrate through the pressing plate (2);
the bottom end of the positioning column (3) is of a conical structure (301); the top end of the positioning column (3) is provided with a blind hole (302); a plurality of barb notches (303) communicated with the blind holes (302) are uniformly distributed on the circumferential side surface of the bottom of the positioning column (3);
a barb column (4) is in sliding fit in the blind hole (302); the end face of the top end of the barb column (4) is provided with a polygonal through hole (401); a plurality of fan-shaped blocks (5) matched with the barb notch (303) are uniformly distributed and fixed on the peripheral side surface of the bottom of the barb column (4);
barbs (501) which are inclined upwards are uniformly distributed on the fan-shaped block (5); the peripheral side surface of the barb column (4) between two adjacent fan-shaped blocks (5) is provided with a strip-shaped notch (402) communicated with the polygonal through hole (401);
a prism (6) is inserted into and matched with the polygonal through hole (401).
2. The geogrid positioning device for the mine according to claim 1, wherein a sealing cover (7) is in threaded fit with the top end of the positioning column (3), and top columns corresponding to the prisms (6) are fixed on the inner side walls of the sealing cover (7).
3. A geogrid positioning apparatus for a mine according to claim 1 wherein the cross-sectional profile of the polygonal through opening (401) is a regular polygon; the cross section profile of the prism (6) is a regular polygon matched with the polygonal through opening (401).
4. A geogrid positioning apparatus for a mine according to claim 1 or 3 wherein the polygonal through opening (401) is of a chamfered configuration; the prism (6) is of a frustum pyramid structure.
5. A geogrid positioning apparatus for mine according to claim 1, 2 or 3, wherein an arc-shaped step surface (502) is formed between the sector (5) and the peripheral side surface of the barb column (4), and the arc-shaped step surface (502) is attached to the inner surface of the blind hole (302).
CN202010251854.2A 2020-04-01 2020-04-01 Geogrid positioner is used in mine Active CN111455998B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113959865A (en) * 2021-09-25 2022-01-21 浙江省浙南综合工程勘察测绘院有限公司 Portable field rock soil shear test equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201292529Y (en) * 2008-11-14 2009-08-19 方远建设集团股份有限公司 Mixing anchor rod
CN202672140U (en) * 2012-05-29 2013-01-16 上海长凯岩土工程有限公司 Anchor rod static pressure anti-pulling steel pipe pile with lower portion grouted
CN109853554A (en) * 2019-04-10 2019-06-07 罗定市麟千五金科技有限公司 Anchor pole
CN209162794U (en) * 2018-12-04 2019-07-26 山东宝盛新材料科技有限公司 A kind of TGXG connector of stable connection

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201292529Y (en) * 2008-11-14 2009-08-19 方远建设集团股份有限公司 Mixing anchor rod
CN202672140U (en) * 2012-05-29 2013-01-16 上海长凯岩土工程有限公司 Anchor rod static pressure anti-pulling steel pipe pile with lower portion grouted
CN209162794U (en) * 2018-12-04 2019-07-26 山东宝盛新材料科技有限公司 A kind of TGXG connector of stable connection
CN109853554A (en) * 2019-04-10 2019-06-07 罗定市麟千五金科技有限公司 Anchor pole

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113959865A (en) * 2021-09-25 2022-01-21 浙江省浙南综合工程勘察测绘院有限公司 Portable field rock soil shear test equipment
CN113959865B (en) * 2021-09-25 2024-04-16 浙江省浙南综合工程勘察测绘院有限公司 Portable field rock-soil shear test equipment

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