CN208982066U - A kind of mine double-layer grid metal mesh - Google Patents
A kind of mine double-layer grid metal mesh Download PDFInfo
- Publication number
- CN208982066U CN208982066U CN201820740787.9U CN201820740787U CN208982066U CN 208982066 U CN208982066 U CN 208982066U CN 201820740787 U CN201820740787 U CN 201820740787U CN 208982066 U CN208982066 U CN 208982066U
- Authority
- CN
- China
- Prior art keywords
- graticules
- net
- metal mesh
- rhombus net
- double
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model relates to colliery tunnel support technical fields, disclose a kind of mine double-layer grid metal mesh, the rhombus net of graticules and lower layer including upper layer, the graticules are laid on the upside of the rhombus net, and the graticules is connected and fixed with the rhombus net by tying up silk.There is the graticules on upper layer certain bending stiffness to be close to country rock, the rhombus net of lower layer has flexibility, graticules and rhombus net are combined into the double-level-metal net that intensity, toughness and rigidity are adapted to country rock large deformation, the undesirable deformation of country rock is prevented simultaneously, reduce the probability of occurrence of net packet, the rapid damage in tunnel is avoided, supporting effect is improved.
Description
Technical field
The utility model relates to colliery tunnel support technical fields, more particularly to a kind of mine double-layer grid metal mesh.
Background technique
Soft and breaking surrounding rock is the difficult point of colliery tunnel support, for effectively shield table, is needed using excellent shield table net.Mesh
Before, common shield table host will have steel mesh, single layer wire netting, plastic wire etc..Steel mesh rigidity is big, and bending resistance is strong but flexible
Degree difference cannot be with being uneven for country rock surface and closely close to scar；Single layer wire netting too relaxes, and is easy to appear local area network
The case where pocket or rigidity are big, can only the deformation of suitable for surrounding rock to a certain extent；Plastic wire intensity is low, in roadway with large deformation
Using being easy to tear.For this purpose, the Web materials that there is high intensity, toughness and rigidity to be suitable for country rock large deformation for research and development more close
Key.
Utility model content
(1) technical problems to be solved
The purpose of the utility model is to provide a kind of mine double-layer grid metal meshes, to solve existing coal mine roadway country rock branch
Shield shield table net is to country rock large deformation bad adaptability, the problem of supporting effect difference.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of mine double-layer grid metal mesh, including upper layer
The rhombus net of graticules and lower layer, the graticules are laid on the upside of the rhombus net, the graticules and the diamond shape Netcom
It crosses and ties up silk and be connected and fixed.
Wherein, the graticules is the wire netting worked out in a crisscross manner.
Wherein, the rhombus net is the wire netting of diamond shape establishment.
Wherein, the preformed hole to install anchor pole is equipped on the graticules and the rhombus net.
Wherein, the material for tying up silk is iron wire.
Wherein, the diameter for tying up silk is 1.2mm~2.6mm.
Wherein, the preferred 2mm of diameter for tying up silk.
Wherein, the graticules is attached at coal mine roadway country rock surface, and the outside of the rhombus net is equipped with matches with anchor pole rope
The pallet of set, to provide pretightning force for the graticules and the rhombus net.
(3) beneficial effect
A kind of mine double-layer grid metal mesh provided by the utility model, the graticules on upper layer have certain bending stiffness with
Country rock is close to, and the rhombus net of lower layer has flexibility, and graticules is combined into intensity, toughness and rigidity with rhombus net and is adapted to
The double-level-metal net of country rock large deformation, while the undesirable deformation of country rock is prevented, the probability of occurrence of net packet is reduced, the fast of tunnel is avoided
Speed is destroyed, and supporting effect is improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
In figure, 1: graticules；2: rhombus net；3: tying up silk.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is not intended to limit the scope of the present invention for illustrating the utility model.
As shown in Figure 1, the utility model embodiment provides a kind of mine double-layer grid metal mesh, the graticules including upper layer
1 and lower layer rhombus net 2, the graticules 1 is laid in 2 upside of the rhombus net, and the graticules 1 and the rhombus net 2 are logical
It crosses and ties up silk 3 and be connected and fixed.
Further, upper layer is the graticules 1 worked out in a crisscross manner, and specially iron wire is worked out, and has certain bending stiffness,
Graticules 1 is sticked on coal mine roadway country rock surface, and certain rigidity supporting is provided for country rock, bears a degree of change of country rock
Shape, and prevent country rock that undesirable deformation occurs.
Wherein, lower layer is the rhombus net 2 of diamond shape establishment, and specially iron wire is worked out, and has flexibility, is laid on graticules 1
Outside, reduce net packet probability of occurrence, the large deformation of country rock can be born.
Further, graticules 1 is connected and fixed with rhombus net 2 by tying up silk 3, is combined into graticules 1 with rhombus net 2
One double-level-metal net, make the rigidity of graticules 1 with the flexibility of rhombus net 2 in conjunction with, the intensity, toughness of double-level-metal net with
Rigidity can cope with the case where country rock large deformation, avoid unexpected rapid damage, improve supporting effect.
Wherein, tying up silk 3 is specially iron wire, and the diameter of iron wire is 1.2mm~2.6mm, and preferably 2mm guarantees enough connections
Intensity prevents from falling off.
Further, it is equipped with the preformed hole to install anchor pole on graticules 1 and rhombus net 2, makes graticules 1 and country rock
Surface is adjacent to, and is cooperated by the pallet and anchor pole in 2 outside of rhombus net, is provided pretightning force for double-layer grating metal mesh.
The mounting process of the utility model embodiment is as follows:
The graticules side of double-layer grating metal mesh is affixed to country rock surface, double-layer grating metal mesh uses continuous tunneling boring
Mode is installed, and the lap of splice is not less than 100mm between adjacent two panels metal mesh, and seam crossing is pressed no more than the distance every 100mm
It uses diameter to carry out double buckle of mariages for the iron wire of 2mm to tighten.
After double-layer grating metal mesh is completed, anchor pole is set to pass through preformed hole, and in double-layer grating metal net surface and anchor pole pair
The position answered is installed pallet and is pre-tightened, and guarantees that double-layer grating metal mesh is adjacent to scar, completes installation.
A kind of mine double-layer grid metal mesh provided by the utility model, the graticules on upper layer have certain bending stiffness with
Country rock is close to, and the rhombus net of lower layer has flexibility, and graticules is combined into intensity, toughness and rigidity with rhombus net and is adapted to
The double-level-metal net of country rock large deformation, while the undesirable deformation of country rock is prevented, the probability of occurrence of net packet is reduced, the fast of tunnel is avoided
Speed is destroyed, and supporting effect is improved.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of mine double-layer grid metal mesh, which is characterized in that the rhombus net of graticules and lower layer including upper layer, the warp
Latitude net is laid on the upside of the rhombus net, and the graticules is connected and fixed with the rhombus net by tying up silk；The graticules with
The preformed hole to install anchor pole is equipped on the rhombus net；The graticules is attached at coal mine roadway country rock surface, described
The outside of rhombus net is equipped with the pallet with anchor rod-matched, to provide pretightning force for the graticules and the rhombus net.
2. mine double-layer grid metal mesh as described in claim 1, which is characterized in that the graticules is criss-cross establishment
Wire netting.
3. mine double-layer grid metal mesh as described in claim 1, which is characterized in that the rhombus net is the iron of diamond shape establishment
Silk screen.
4. mine double-layer grid metal mesh as described in claim 1, which is characterized in that the material for tying up silk is iron wire.
5. mine double-layer grid metal mesh as described in claim 1, which is characterized in that the diameter for tying up silk be 1.2mm~
2.6mm。
6. mine double-layer grid metal mesh as claimed in claim 4, which is characterized in that the diameter for tying up silk is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820740787.9U CN208982066U (en) | 2018-05-17 | 2018-05-17 | A kind of mine double-layer grid metal mesh |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820740787.9U CN208982066U (en) | 2018-05-17 | 2018-05-17 | A kind of mine double-layer grid metal mesh |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208982066U true CN208982066U (en) | 2019-06-14 |
Family
ID=66778694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820740787.9U Expired - Fee Related CN208982066U (en) | 2018-05-17 | 2018-05-17 | A kind of mine double-layer grid metal mesh |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208982066U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855157A (en) * | 2021-02-25 | 2021-05-28 | 安徽理工大学 | Control method for leakage of large-inclination-angle top plate, coal wall caving and support backward sliding |
| CN113944488A (en) * | 2021-10-18 | 2022-01-18 | 南京路铁塑料制品有限公司 | Geogrid of high strength carbon fiber |
-
2018
- 2018-05-17 CN CN201820740787.9U patent/CN208982066U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855157A (en) * | 2021-02-25 | 2021-05-28 | 安徽理工大学 | Control method for leakage of large-inclination-angle top plate, coal wall caving and support backward sliding |
| CN113944488A (en) * | 2021-10-18 | 2022-01-18 | 南京路铁塑料制品有限公司 | Geogrid of high strength carbon fiber |
| CN113944488B (en) * | 2021-10-18 | 2024-05-14 | 南京路铁塑料制品有限公司 | Geogrid of high strength carbon fiber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208982066U (en) | A kind of mine double-layer grid metal mesh | |
| CN103147793B (en) | Girdle roadside packing non chain pillar entryprotection method | |
| CN102226407A (en) | Four-line large-span tunnel cable-arch combined primary support structure | |
| WO2016206617A1 (en) | Anti-collapse structure beside roadway based on 110 construction method for breaking roof | |
| CN202851078U (en) | High water material filling column bag body | |
| CN206971235U (en) | Roadbed side slope arched framework ruggedized construction | |
| CN106917628B (en) | Small-clear-distance tunnel construction technique | |
| CN106677806B (en) | A kind of tubular type canopy frame support structure for underworkings, tunnel | |
| CN203321535U (en) | Hard rock tunnel boring machine construction method combined type steel fiber reinforced concrete lining structure | |
| CN207847649U (en) | A kind of superelevation tunnel gob side entry retaining suspension device | |
| CN203430546U (en) | Roadway roof protective net of coal face | |
| WO2010099777A3 (en) | Lagging mat for underground mining and tunneling | |
| CN205012353U (en) | FRP slab band formula foundation ditch envelope | |
| CN203742630U (en) | Base of hydraulic support | |
| CN205977240U (en) | Hold in palm top coal petrography body supporting device | |
| CN103388313A (en) | Windproof net | |
| CN106285755B (en) | A kind of filling bracket with back screen beam branch protecting assembly | |
| CN107100661A (en) | A kind of prefabricated assembled ultra-high performance concrete flue sheet structure | |
| CN208502792U (en) | A kind of advanced double-deck ductule of crushed zone tunnel advanced support | |
| CN204938782U (en) | A kind of lifting conveying device for combining vertical shaft | |
| CN201377334Y (en) | Flexible side protecting band | |
| CN207143845U (en) | One kind dismounts easily check dam unit and check dam | |
| CN205242410U (en) | Fixed steel shotcrete and concrete guan liang's member in foundation ditch engineering | |
| CN201050378Y (en) | Mining support metal net | |
| CN204551292U (en) | A kind of mining anti-wind net |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190614 Termination date: 20200517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |