CN103850695A - Supporting structure of ejector anchor net - Google Patents
Supporting structure of ejector anchor net Download PDFInfo
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- CN103850695A CN103850695A CN201210524737.4A CN201210524737A CN103850695A CN 103850695 A CN103850695 A CN 103850695A CN 201210524737 A CN201210524737 A CN 201210524737A CN 103850695 A CN103850695 A CN 103850695A
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- anchor net
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- fiber reinforced
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Abstract
The invention discloses a supporting structure of an ejector anchor net. The supporting structure comprises an anchor net and a plurality of anchor rods fixed in the anchor net, wherein trays are sleeved on the outer ends of the anchor rods, and the trays are fixed on the anchor net; the anchor net is composed of a glass fiber reinforced plastics anchor net main body and a plurality of reinforced ribs intermittently arranged on the glass fiber reinforced plastics anchor net main body, and the anchor rods are fixed on connections between the reinforced ribs and the glass fiber reinforced plastics anchor net body, and hooks are arranged on the reinforced ribs and penetrate through the trays. The anchor net body is made from glass fiber reinforced plastics instead of a metal material, so that the condition that concrete can be cracked and fallen off due to the fact that the anchor net is corroded while meeting water can be prevented; furthermore, the reinforced ribs are arranged on the glass fiber reinforced plastics anchor net main body, so that the integral structural strength can be improved; meanwhile, the trays are secondarily fixed through the hooks, so that the connection between the trays and the anchor net can be enhanced, the loosing or failure of the trays due to outside factors such as vibration of blasting can be prevented, and the shock resistance and supporting effect of the supporting structure of the ejector anchor net can be improved; in addition, the supporting structure provided by the invention is high in strength, good in tenacity, light in weight, and good in manufacturability, and the working efficiency can be improved and the maintenance cost can be reduced.
Description
Technical field
The present invention relates to mine, tunnel protection structure, refer to particularly a kind of Shotcreting anchorage-netting Support Structure.
Background technology
At present, the spray anchor net of using in the Combined bolting and shotcrete method in mine, tunnel mostly is wire lath, it is formed by iron wire or screw-thread steel braiding conventionally, this wire lath is met water and is easy to be corroded in Bracing Process, cause supporting to be lost efficacy, thereby can not effectively guarantee supporting effect, bring many potential safety hazards to mine or tunnel; And wire lath weight is large, carrying construction is more difficult, makes labor strength large; In addition, wire lath braiding difficulty, cost is higher, has affected being widely used of shotcrete rock bolt wire mesh support.
Summary of the invention
The object of the invention is provides a kind of Shotcreting anchorage-netting Support Structure for the problems referred to above, and this Shotcreting anchorage-netting Support Structure is corrosion-resistant, intensity is high, lightweight, can effectively protect mine working or tunnel, avoids concrete cracking or comes off.
For achieving the above object, the technical solution used in the present invention is: a kind of Shotcreting anchorage-netting Support Structure, comprise anchor net and be fixed on the some anchor poles in anchor net, the outer end cover of described anchor pole has pallet, it is online that described pallet is fixed on described anchor, some reinforcing ribs that described anchor net is arranged on glass fiber reinforced plastic anchor host body by glass fiber reinforced plastic anchor host's body and interval form, described anchor pole is fixed on the junction of described reinforcing rib and described glass fiber reinforced plastic anchor host body, described reinforcing rib is provided with crotch, and described crotch is through described pallet.
Further, described glass fiber reinforced plastic anchor host body is interwoven by horizontal glass steel wire and vertical glass steel wire, described reinforcing rib is the cross reinforcing being connected with vertical glass steel wire, and the junction of described cross reinforcing and vertical glass steel wire is provided with the crotch toward extension.Described crotch is fixed for pallet is carried out to secondary, the connection between reinforced tray and anchor net.
Further, the anchor pole in described pallet outside tightens intrinsic nut.Anchor pole is in mine support process, produce anchored force by the friction between anchor rod body and Anchor Agent, play the effect of supported laneway, pallet is for being fixed anchor pole and anchor net, nut fixed tray and whole Shotcreting anchorage-netting Support Structure, and anchor pole is applied to a certain size prestressing force, prevent the anchor pole distortion of losing efficacy, and anchor pole is fixed on to the junction of reinforcing rib and glass fiber reinforced plastic anchor host body, can strengthen the support action of whole Shotcreting anchorage-netting Support Structure.
Preferably, the grid of described glass fiber reinforced plastic anchor host body is square, and size of mesh opening is 150mm ~ 200mm.Mesh shape and size that steel anchor host body is evenly set, be conducive to simplify weaving, and convenient anchor pole and the reinforcing rib reasonably arranged.
Further preferably, described reinforcing rib is the iron wire being evenly arranged on described glass fiber reinforced plastic anchor host body.Spacing between adjacent reinforcing rib is consistent with the spacing between longitudinal adjacent anchor pole; It is high that the reinforcing rib of irony has intensity, the advantage that cost is low.
Compared with prior art, tool of the present invention has the following advantages:
One, in mine, tunnel support, replaces traditional metal material with glass fiber reinforced plastic and weaves spray anchor host body, has effectively improved the corrosion-resistant and barrier propterty of spray anchor net, avoids spraying anchor net and meets aqueous corrosion and lost efficacy and cause concrete cracking, come off.
Its two, on glass fiber reinforced plastic anchor host body, arrange reinforcing rib, thereby improved the bulk strength of Shotcreting anchorage-netting Support Structure, prevent from spraying anchor net because of stressed excessive fracture, make Shotcreting anchorage-netting Support Structure there is intensity high, good toughness, the advantage of antifatigue.
Its three, in Bracing Process, adopt crotch through pallet, pallet is carried out to secondary to be fixed, strengthen the connection between pallet and anchor net, prevented that pallet from becoming flexible or destroyed inefficacy because of extraneous factors such as concussion of blastings, improved shock resistance and the supporting effect of Shotcreting anchorage-netting Support Structure.
Its four, this Shotcreting anchorage-netting Support Structure is with low cost, lightweight, weaving is simple, constructability has alleviated workman and has carried the labour intensity of construction, thereby improved operating efficiency, has also reduced maintenance cost.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of Shotcreting anchorage-netting Support Structure.
Fig. 2 is the annexation schematic diagram of crotch and pallet in Fig. 1.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, be convenient to more clearly understand the present invention, but they do not form restriction to the present invention.
As Fig. 1, shown in Fig. 2, Shotcreting anchorage-netting Support Structure comprises anchor net 1 and anchor pole 2, described anchor net 1 is made up of glass fiber reinforced plastic anchor host body 4 and reinforcing rib 5, described glass fiber reinforced plastic anchor host body 4 is interwoven by horizontal glass steel wire 401 and vertical glass steel wire 402 and pointwise is connected, the grid being interwoven is square, preferred 150mm ~ the 200mm of size of mesh opening, in order to guarantee the intensity of glass fiber reinforced plastic anchor host body 4, on glass fiber reinforced plastic anchor host body 4, arrange a cross reinforcing 5 every 1.1m, each cross reinforcing 5 is parallel to each other, be provided with the crotch 6 toward extension in each cross reinforcing 5 and the junction of vertical glass steel wire 402, anchor pole 2 is through the intersection that is connected that is fastened on reinforcing rib 5 and glass fiber reinforced plastic anchor host body 4 after the via hole of pallet 3 central authorities with nut 7, nut 7 is for fixed tray 3 and whole support system, and anchor pole 2 is applied to a certain size prestressing force, prevent anchor pole 2 inefficacy distortion, described crotch 6 is further fixing by pallet 3 through the small through hole of periphery on described pallet 3, prevents that pallet 3 and nut 7 are given a shock and loosening inefficacy.Wherein, cross reinforcing 5 is evenly arranged according to the array pitch of anchor pole 2, and in material, it is 5mm iron wire that cross reinforcing 5 can adopt external diameter; Crotch 6 can adopt the iron wire hook that long 5cm ~ 8cm, external diameter are 5mm.
Claims (5)
1. a Shotcreting anchorage-netting Support Structure, comprise anchor net (1) and be fixed on the some anchor poles (2) in anchor net (1), the outer end cover of described anchor pole (2) has pallet (3), described pallet (3) is fixed on described anchor net (1), it is characterized in that: some reinforcing ribs (5) that described anchor net (1) is arranged on glass fiber reinforced plastic anchor host body (4) by glass fiber reinforced plastic anchor host body (4) and interval form, described anchor pole (2) is fixed on the junction of described reinforcing rib (5) and described glass fiber reinforced plastic anchor host body (4), described reinforcing rib (5) is provided with crotch (6), described crotch (6) is through described pallet (3).
2. Shotcreting anchorage-netting Support Structure according to claim 1, it is characterized in that: described glass fiber reinforced plastic anchor host body (4) is interwoven by horizontal glass steel wire (401) and vertical glass steel wire (402), described reinforcing rib (5) is the cross reinforcing (5) being connected with vertical glass steel wire (402), and described cross reinforcing (5) is provided with the crotch (6) toward extension with the junction of vertical glass steel wire (402).
3. Shotcreting anchorage-netting Support Structure according to claim 1 and 2, is characterized in that: the anchor pole (2) in described pallet (3) outside tightens intrinsic nut (7).
4. Shotcreting anchorage-netting Support Structure according to claim 1 and 2, is characterized in that: the grid of described glass fiber reinforced plastic anchor host body (4) is square, and size of mesh opening is 150mm ~ 200mm.
5. Shotcreting anchorage-netting Support Structure according to claim 1 and 2, is characterized in that: described reinforcing rib (5) is for being evenly arranged in the iron wire on described glass fiber reinforced plastic anchor host body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210524737.4A CN103850695A (en) | 2012-12-06 | 2012-12-06 | Supporting structure of ejector anchor net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210524737.4A CN103850695A (en) | 2012-12-06 | 2012-12-06 | Supporting structure of ejector anchor net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103850695A true CN103850695A (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210524737.4A Pending CN103850695A (en) | 2012-12-06 | 2012-12-06 | Supporting structure of ejector anchor net |
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| CN (1) | CN103850695A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241320A (en) * | 2015-08-14 | 2016-01-13 | 中铁港航局集团有限公司 | Controlled blasting and protecting method for major bridge foundation on two sides of high and steep gorge in scenic spot |
| CN107989636A (en) * | 2017-12-08 | 2018-05-04 | 刘梦 | A kind of colliery tunnel support anchor net fixing device |
| CN110159311A (en) * | 2019-06-20 | 2019-08-23 | 济宁学院 | A kind of roadway support concrete ejection anchor |
-
2012
- 2012-12-06 CN CN201210524737.4A patent/CN103850695A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241320A (en) * | 2015-08-14 | 2016-01-13 | 中铁港航局集团有限公司 | Controlled blasting and protecting method for major bridge foundation on two sides of high and steep gorge in scenic spot |
| CN105241320B (en) * | 2015-08-14 | 2017-01-04 | 中铁港航局集团有限公司 | A kind of both sides, Gao Dou valley, scenic spot bridge abutment controlled blasting and means of defence |
| CN107989636A (en) * | 2017-12-08 | 2018-05-04 | 刘梦 | A kind of colliery tunnel support anchor net fixing device |
| CN107989636B (en) * | 2017-12-08 | 2019-05-21 | 安徽恒源煤电股份有限公司 | A kind of fixed device of colliery tunnel support anchor net |
| CN110159311A (en) * | 2019-06-20 | 2019-08-23 | 济宁学院 | A kind of roadway support concrete ejection anchor |
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Application publication date: 20140611 |