CN202707092U - Plastic coating composite metal net used for underground timbering in coal mine - Google Patents
Plastic coating composite metal net used for underground timbering in coal mine Download PDFInfo
- Publication number
- CN202707092U CN202707092U CN 201120526256 CN201120526256U CN202707092U CN 202707092 U CN202707092 U CN 202707092U CN 201120526256 CN201120526256 CN 201120526256 CN 201120526256 U CN201120526256 U CN 201120526256U CN 202707092 U CN202707092 U CN 202707092U
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- net
- metal net
- coal mine
- timbering
- composite metal
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- Expired - Fee Related
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Abstract
A plastic coating composite metal net used for underground timbering in a coal mine is formed by a metal net and a plastic layer (2) which is wrapped on the outer surface of net strips of the metal net. The metal net is a lattice shape metal net, namely a graticule net which is formed by metal strips (1) which are connected vertically and horizontally in a lap joint mode and are combined as a whole in a spot welding mode, the plastic layer (2) has the properties of being antistatic and flame-resistant and the metal strips are generally made of thickened cold drawn wires. The plastic coating composite metal net used for underground timbering in the coal mine is not only high in strength and corrosion-resisting but also capable of greatly improving rigidity and rigid supporting force of an anchor net and prolonging service life of the anchor net, and is suitable for being used in timbering of anchor nets of underworkings in the coal mine.
Description
Technical field
The utility model relates to supporting plastic coating composite metal net under mine working, the construction of tunnel bolting with wire mesh material wire lath, particularly a kind of coal mine of using in the coal mine down-hole tunnel bolting with wire mesh.
Background technology
Generally use bolting with wire mesh in coal mine down-hole tunnel, the anchor net of employing mainly contains three types: a kind of is intensity higher metal net, and another kind is corrosion resistant plastic wire, and the third is comparatively soft steel plastics composite web.Although it is not wire lath intensity is higher, corrosion-resistant; Because the down-hole is very moist, wire lath is corroded and lost efficacy, jeopardize personal safety; Particularly when mine coal seam Containing Sulfur ferruginous concretions, the acidity of mine water is stronger, corrodes especially serious.Although plastic wire is corrosion-resistant, low, the poor rigidity of intensity.Steel plastics composite web is take " mining steel plastics composite net false top " patent as example, and it is patent, the patent No. of Patent Gazette for Utility Models announcement on August 16th, 2006: ZL200520103018.0; This patent is to pull into the compound guipure of steel plastics that tundish is covered with steel wire by modified polypropene, polyethylene through squeezing, and becomes well word net structure with the guipure track and column braiding.The characteristics that although it possesses is corrosion-resistant, pull-off force is high; But its steel wire carefully, comparatively soft, rigidity is relatively poor, lacks rigid support power.
Summary of the invention
In order to overcome the deficiency that the steel plastics composite web rigidity that the prior art bolting with wire mesh uses is low, lack rigid support power, the utility model provides supporting plastic coating composite metal net under a kind of coal mine, and not only intensity is high, corrosion-resistant but also can greatly improve rigidity and the rigid support power of anchor net for it.
The utility model is to solve the problems of the technologies described above the technical scheme that adopts to be:
Supporting plastic coating composite metal net under the coal mine, the plastic layer that is coated by wire lath, wire lath net bar appearance consists of.Its wire lath is to overlap in length and breadth the lattice shape wire lath that spot welding forms one by bonding jumper.The plastic layer that wire lath net bar appearance coats is to have plastic layer antistatic, fire resistance.Bonding jumper generally adopts the cold drawn wire of overstriking.
The beneficial effects of the utility model are:
This plastic coating composite metal net not only intensity is high, corrosion-resistant but also can greatly improve rigidity and the rigid support power of anchor net, increases substantially the application life of anchor net.
Description of drawings
Fig. 1 is the structural representation that the plastic coating composite metal net is used in supporting under the coal mine.
Fig. 2 is the A-A zoomed-in view among Fig. 1.
Among the figure: 1-bonding jumper, 2-plastic layer.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
The supporting structure of plastic coating composite metal net under the utility model coal mine shown in Fig. 1,2.This plastic coating composite metal net by bonding jumper 1 overlap in length and breadth the lattice shape wire lath that spot welding forms one, the plastic layer 2 that wire lath net bar appearance coats consists of.
Wire lath is the thicker wire that is overlapped in length and breadth by bonding jumper 1, the lattice shape wire lath that spot welding forms, or claims graticules; And be made into the rectangle sheet, so claim again net sheet or guipure.Bonding jumper 1 is the cold drawn wire of overstriking, the thick cold drawn wire of steel wire of namely using than existing mining steel plastics composite metal net.Bonding jumper 1 is that the diameter of cold drawn wire generally adopts Φ 2.5mm～Φ 6.5mm, can be increased to Φ 10mm.Its raw material material is the A3 steel.
Polyethylene: fire retardant can adopt ten bromines to connect phenylate and antimony oxide, and its antistatic additive can adopt TX-6, TC-90, NP-6 etc.
Polypropylene: antistatic additive, fire retardant can be with reference to poly.
Polyvinyl chloride: fire retardant can adopt antimony oxide, Peng Suan ?, liquid chlorinated paraffin, aluminium hydroxide, three virtues etc.; Antistatic additive can adopt TX-6, TC-90, NP-6 etc.
Polyurethane: fire retardant can adopt TCEP etc.; Antistatic additive is the same.
Processing: with bonding jumper 1, namely the cold-drawn thicker wire of warp-wise, broadwise overlaps in length and breadth, and overlapped points adopts the spot welding mode to weld, and warp-wise, broadwise steel wire welded are integrated, and consists of lattice shape wire lath; Then with in type wire lath plastic-coated, make the appearance coating plastic layer 2 of wire lath net bar.The coating of wire lath net bar plastic layer 2 also can be adopted to soak and mould or the method for plastic-blasting.
Claims (2)
1. supporting plastic coating composite metal net under the coal mine comprises the plastic layer that wire lath, wire lath net bar appearance coat, and it is characterized in that: said wire lath is to overlap in length and breadth the lattice shape wire lath that spot welding forms one by bonding jumper (1); The plastic layer (2) that said wire lath net bar appearance coats, the plastic layer of, fire resistance antistatic for having.
2. supporting plastic coating composite metal net under the coal mine according to claim 1, it is characterized in that: said bonding jumper (1) is the thick cold drawn wire of diameter of phi 2.5mm～Φ 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120526256 CN202707092U (en) | 2011-12-16 | 2011-12-16 | Plastic coating composite metal net used for underground timbering in coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120526256 CN202707092U (en) | 2011-12-16 | 2011-12-16 | Plastic coating composite metal net used for underground timbering in coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202707092U true CN202707092U (en) | 2013-01-30 |
Family
ID=47587401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120526256 Expired - Fee Related CN202707092U (en) | 2011-12-16 | 2011-12-16 | Plastic coating composite metal net used for underground timbering in coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202707092U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113993314A (en) * | 2021-10-22 | 2022-01-28 | 天长市盛能电子科技有限公司 | Charger with safety protection function |
-
2011
- 2011-12-16 CN CN 201120526256 patent/CN202707092U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113993314A (en) * | 2021-10-22 | 2022-01-28 | 天长市盛能电子科技有限公司 | Charger with safety protection function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20131216 |