CN102444113A - Protective grid, especially for protection of slopes - Google Patents

Protective grid, especially for protection of slopes Download PDF

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Publication number
CN102444113A
CN102444113A CN2011103078127A CN201110307812A CN102444113A CN 102444113 A CN102444113 A CN 102444113A CN 2011103078127 A CN2011103078127 A CN 2011103078127A CN 201110307812 A CN201110307812 A CN 201110307812A CN 102444113 A CN102444113 A CN 102444113A
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CN
China
Prior art keywords
wire
safety net
wire bundle
metal thread
strands
Prior art date
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Granted
Application number
CN2011103078127A
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Chinese (zh)
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CN102444113B (en
Inventor
S.瓦特曼
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Geobrugg AG
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Geobrugg AG
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Publication date
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Publication of CN102444113A publication Critical patent/CN102444113A/en
Application granted granted Critical
Publication of CN102444113B publication Critical patent/CN102444113B/en
Expired - Fee Related legal-status Critical Current
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
    • E01F7/04—Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
    • E01F7/045—Devices specially adapted for protecting against falling rocks, e.g. galleries, nets, rock traps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F27/00—Making wire network, i.e. wire nets
    • B21F27/02—Making wire network, i.e. wire nets without additional connecting elements or material at crossings, e.g. connected by knitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F29/00—Making fencing or like material made partly of wire
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/20—Securing of slopes or inclines
    • E02D17/202—Securing of slopes or inclines with flexible securing means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/23—Dune restoration or creation; Cliff stabilisation

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Wire Processing (AREA)
  • Woven Fabrics (AREA)

Abstract

The invention discloses a protective grid, especially for protection of slopes. A safety net formed by a three-dimensional pad structure, in particular for protection against falling rocks or for securing an embankment, with a. diagonal netting (20) is formed by a three-dimensional mattress-type structure. It is woven here from individual wire strands, wire bundles, wire ropes (11, 12, 13, 14) or similar woven in coil shapes, which comprise two or more wires (22) or wire strands made of steel. It is very advantageous if the wire strands, wire ropes or wire bundles or similar are produced at least partially from a high-strength steel, and the safety nets can in this way be constructed with very high strength.

Description

The safety net that is preferred for strengthening the dikes
Technical field
The present invention relates to be preferably used for strengthening the dikes according to the described safety net of the preorder of claim 1.
Background technology
According to the known a kind of safety net of bulletin EP-B-0979329, this safety net is the form of diagonal screen fabric, has diamond-shaped meshes and three-dimensional pad type structure, and it is by bending to coil form and being formed by the individual wire braiding that high strength steel is processed.Therefore even wire has the hot strength of height and under extended configuration, this mesh still keeps three-dimensional pulvilliform structure, and when the covering face of land, serves as the retainer or the stabilising arrangement of vegetable layer.The wire gauze fabric is collapsible and only need a spot of space to be used for storage or transportation.
Summary of the invention
The purpose that forms the present invention basis is in order to improve at the safety net of the type that begins defined with in order to reduce the risk that it breaks.
The safety net of the characteristic through having claim 1 is realized according to this purpose of the present invention.
Form the theme of dependent claims according to the further preferred embodiment of safety net of the present invention.
Because according to the present invention; This safety net is by the individual wire thigh that bends to coil form, wire strands or the wire bundle braiding forms and it comprises one, the two or more wire of advantageously being processed by high strength steel (or metal thread); Therefore a kind of high strength safety net is provided; For normal duty, it allows any distortion and need not any mesh retaining element (for example cross clamp) just to realize this point hardly.Because the metal thread is made up of 2 or more one metal wires, the tear resistance in the crosspoint of the mesh of an one metal wire significantly strengthens the tear resistance in crosspoint than only having.
In fact produce on " ad infinitum " rolling ground according to diagonal screen fabric of the present invention by what metal thread, wire strands or wire bundle were processed, the peripheral kink of the high strength of part at least with the loop type that on metal thread, wire strands or wire bundle end, forms advantageously also is provided on the long side of volume.
Description of drawings
Come to describe in more detail the present invention through accompanying drawing hereinafter.It illustrates as follows:
Fig. 1 is the phantom drawing that is used to produce the equipment of the wire bundle that bends to coil form,
Fig. 2 is the top view according to part diagram safety net of the present invention; And
Fig. 3 illustrates the lateral view of safety net for part.
The specific embodiment
Be used to produce the wire bundle 30 that bends to coil form according to the bending apparatus 10 shown in Fig. 1 diagram, metal thread or wire strands, it is woven in then and forms safety net together.
And the full details of not shown this bending apparatus 10, this bending apparatus 10 has cylindrical outer cover 12, and cylindrical outer cover 12 has the continuous opening of level of approximation on its front side, be provided with guiding device 15 there and be used for by the for example wire bundle 30 of three one metal wires winding.This guiding device 15 is positioned on the retainer 21 adjustably, and (quasi rotatably) installs axle 25 certainly rotatably on retainer 21, and wire bundle 30 is distinguished crooked about 180 ° around axle 25 then.Axle 25 is anchored in the chuck 22, and chuck 22 is rotatably mounted in the mounting bracket 23,24, and chuck 22 is driven via pulley 22' by dentate band 27 and dentate band 27 is driven by the rotating driver on retainer 21 downsides.
Bend arm 18 is installed in the shell 12 pivotly and on the front side of bend arm 18, has bearing surface 19 away from axle 25 specified distance.Bend arm 18 is contained in the ring 11 and extra curved guiding piece 17 guiding in the shell 12, and wherein connecting elements 14 is engaged on the bend arm.In BENDING PROCESS, bend arm is directed around axle 25, the bending shape 17' of guiding piece 17 make after moving about 180 ° can with bend arm 18 from axle 25 remove and so wire bundle 30 no longer carry out any further bending.Bend arm 18 further pivots subsequently and shelves into its bearing surface 19 up to it and be in the axle below once more and make when it promotes this length-specific forward in vertically crooked these 180 ° of wire bundle.Therefore, bend arm 18 can further be distinguished ceaselessly lasting the pivot about 360 °.
When utilizing this bending apparatus 10 to carry out bending, at first step, wire bundle 30 limits length to limit elevation angle ε and be delivered to axle 25 and to bend to around about 180 ° this of this axle 25, as by wire bundle 30 this sweep 30a illustrated.Repeat the selectable length of this bending up to the coil shape wire bundle that realizes producing in this way.
These wire bundle that bend to coil form are woven together up to the wire gauze fabric of having produced required size, that kind as shown in Figure 2 then.
Fig. 2 and Fig. 3 illustrate and are used to reinforce surface layer, strengthen the dikes or are used to reinforce the scar on road next door or the illustrated safety net of part of similar item such as being used to, and it for example is the form of the square diagonal screen fabric 20 that has quadrangle or polygon mesh 17.Diagonal screen fabric 20 is formed by the many one metal wires bundle that bends to coil form 30 braidings.That kind as shown in the figure, wire bundle 30 comprise loops three wires of preferably being processed by high strength steel 31,32,33 together respectively.
This can be sth. made by twisting together to form at least two one metal wires of metal thread, ties up two or more one metal wires (as indicated above) forming wire bundle, twists with the fingers metal thread or these combination of elements to form wire strands together.
According to DIN standard 2078, wire preferably has at 1000N/mm 2With 2300N/mm 2Between nominal strength, 1700N/mm for example 2Intensity.But, also can use spring steel wire according to DIN standard 17223.Wire thickness depends on required hot strength and can for example be 2.5mm-4.5mm.
Usually electroplate these wires 22, be provided with zinc/aluminium alloy covered and/or the synthetic overburden processed by evanohm so that realize required corrosion resistance.For this purpose, for example, preferably provide surface weight at 125g/m 2With 275g/m 2Between electroplated coating.
At the side of mesh 20, wire bundle 30 is connected to each other by ring 30' flexibly in couples, and these rings 30' is outwardly-bent and form on its end by 30 of wire bundle.After they bent to ring, wire bundle 30 was provided with preferably a plurality of windings 32 of twining around its own circumference and itself extraly and guarantees the abundant safety that prevents that these windings 32 from opening because these encircle the tensile stress that in user mode, experiences.
When using diagonal screen fabric 20 to strengthen the dikes, said mesh is kept on the ground to limit tension force the claw type tightening member (not detailed icon) that is trapped in the ground.Preferably, respective metal silk or becket bridle are become the peripheral metal silk rope that bends to coil form, and peripheral metal thread or peripheral metal tow be positioned at the top and bottom of mesh 20, and itself are stretched in by tightening member on ground or the similar item.
The individual wire bundle 30 that bends to coil form has elevation angle ε and two length L between curved, it confirms the shape and the size of the mesh 37 of diagonal screen fabric 20.Advantageously select about 90 ° angle for elevation angle s.Individual mesh 37 forms approximate positive rhombus respectively, and mesh width is for example 390 * 400mm.This advantage is that mesh 20 places on the surface layer and do not stretched largely during in its longitudinal extension prestretched by rope in the end at Qi Pu.Although advantageously safety net stretches on a small quantity, the effect of the multiple wire structure of this strand is an extraordinary flexibility/to the compliance of ground surface.
Particularly when with embankment reinforcement when the slope, in these wire gauze fabrics 20 two also can be positioned to one above another so that realize bigger safety.Advantageously, not shown upper metal silk screen fabric is provided with than the bigger mesh width of lower metal silk screen fabric.
In woven condition, individual wire bundle 30 keeps together flexibly, and consequently diagonal screen fabric 20 can stretch as pad together, folds or rolls.Therefore, only need little space to store and transport these meshes.
In lateral view according to the illustrated mesh 20 of the part of Fig. 3, mesh 20 is shown has three-dimensional cushion structure, this is through using the high strength steel wire and then becoming possibility.For this purpose, the individual wire bundle 30 that is entwined by three one metal wires 31,32,33 respectively bends to coil form and is woven together then and makes the mesh 20 with its production form approximate rectangular profile, like what in sectional view, see.
This elongated rectangular has the thickness 20' of many one metal wires Shu Houdu.Even in pretensioned state, this wire gauze fabric 20 is three dimensional form therefore.This effect is the spring property that increases of mesh on the one hand, because wire bundle can be in its longitudinal extension stretches and provide to this mesh the elasticity of increase with the tension force that increases.On the other hand, through this three dimensional form, when covering the such face of land of dyke for example, realize the vegetable layer that this mesh is caught or be sprayed on the supporting of the layer on the overburden or stable.
Therefore; According to the present invention; The safety net fabric is formed by have individual wire thigh wiry more than two or two, wire strands or the wire bundle braiding that bend to coil form; These two or two above wires are preferably processed by high strength steel, twist with the fingers together forming the metal thread or to be combined to form wire bundle, and two or more metal threads of perhaps being processed by high strength steel are twisted with the fingers and formed wire strands together and form; Production high strength safety net, it allows any distortion hardly when standing to load.
In fact produce on " ad infinitum " rolling ground the peripheral kink of the high strength of the loop type that on advantageously also providing with metal thread, wire strands or wire bundle end on the long side of volume, forms according to diagonal screen fabric of the present invention by what metal thread, wire strands or wire bundle were processed.
But basically, safety net also can be by being not or only partly being processed by thinner or thicker metal thread wiry, wire bundle, the spiral rope of high strength steel production.
Utilize such safety net system, can realize the best on slope is reinforced.Utilization is according to net form formula of the present invention, also can absorb because the loosening big shearing force that stone or boulder produced and do not have any problem in the dyke.
Because special mesh parameter, except in the physical risk Application for Field, the application that it also can be used for building, Structural Engineering is relevant with safety.For example, these nets also can be used for separation function, facade and roof element, swarm into and break that protection, path stop, maritime affairs protection application, cracked protection etc.

Claims (10)

1. safety net; Be used for drop rock or be used to strengthen the dikes of protection especially; Its diagonal screen fabric of being processed by wire forms and has three-dimensional pad type structure, it is characterized in that this diagonal screen fabric is made into by metal thread, wire bundle, wire strands or similar item; It comprises at least two one metal wires that are formed from steel, wire strands and/or metal thread.
2. safety net according to claim 1 is characterized in that, said metal thread, wire strands or wire bundle or similar item are processed by high strength steel at least in part.
3. safety net according to claim 1 and 2 is characterized in that, particularly when strengthening the dikes, at least two one of such wire gauze fabrics are positioned at another top.
4. safety net according to claim 1 and 2 is characterized in that, said metal thread, wire strands or wire bundle are connected to each other by ring in its end flexibly in couples.
5. safety net according to claim 3 is characterized in that, with after forming ring, said metal thread, wire strands or wire bundle are provided with at least one winding around its own circumference winding extraly in bending.
6. according to each described safety net in the claim 1 to 5, it is characterized in that, with intensity at 900N/mm 2To 2800N/mm 2Steel in the scope is produced the wire that forms metal thread, wire strands or wire bundle.
7. according to each described safety net in the claim 1 to 6, it is characterized in that the metal thread, wire strands or the wire bundle that bend to coil form and formation diagonal screen fabric have preferably about 45 ° elevation angle.
8. according to each described safety net in the claim 1 to 7; It is characterized in that; Embankment reinforcement has the wire gauze fabric, can be absorbed in the tightening member in the ground, and tightening member has claw-plate or similar item is pressed onto mesh on the ground surface; And at least at upside, rope keeps and stretches said mesh.
9. one kind is used for producing the bending apparatus according to aforementioned each described safety net of claim 1 to 8; It is characterized in that; Bend arm (18) is installed in the shell (12) pivotally and on the front side of said bend arm (18), has bearing surface (19) away from axle (25) specified distance, and said bend arm can move around said axle.
10. bending apparatus according to claim 9; It is characterized in that; Said bend arm (18) receives ring (11) and extra guiding piece (17) guiding that is contained in the said shell (12); The bending shape (17') of said guiding piece (17) makes said bend arm (18) after moving about 180 °, remove from said axle (25), and therefore said wire bundle (30) is no longer carried out any further bending; Said bend arm (18) further pivots and shelves into its bearing surface (19) once more below said axle up to it, and vertically pushes away length-specific forward and make crooked about 180 ° of said wire bundle at it.
CN201110307812.7A 2010-10-12 2011-10-12 For the production of the bending apparatus of safety net Expired - Fee Related CN102444113B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01667/10A CH703929B1 (en) 2010-10-12 2010-10-12 Safety net preferably for slope stabilization.
CH01667/10 2010-10-12

Publications (2)

Publication Number Publication Date
CN102444113A true CN102444113A (en) 2012-05-09
CN102444113B CN102444113B (en) 2016-03-16

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CN201110307812.7A Expired - Fee Related CN102444113B (en) 2010-10-12 2011-10-12 For the production of the bending apparatus of safety net

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CN (1) CN102444113B (en)
CA (1) CA2752023C (en)
CH (1) CH703929B1 (en)
CL (1) CL2011002501A1 (en)
MA (1) MA34040B1 (en)
MX (1) MX2011010038A (en)
NO (1) NO20111352A1 (en)
PL (1) PL396610A1 (en)
ZA (1) ZA201106940B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI647024B (en) * 2017-01-30 2019-01-11 瑞士商吉爾柏格股份有限公司 Wire mesh and method of manufacturing a spiral structure for a wire mesh
TWI647025B (en) * 2017-01-30 2019-01-11 瑞士商吉爾柏格股份有限公司 Wire mesh and method for manufacturing a spiral of wire mesh
CN110225800A (en) * 2017-01-30 2019-09-10 集奥布鲁克有限公司 For producing the bending apparatus of the coiled material of silk screen
US10549335B2 (en) 2017-01-30 2020-02-04 Geobrugg Ag Wire mesh and method for identifying a suitable wire

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3103926A4 (en) * 2014-02-03 2017-10-25 3S Geotecnia y Tecnologia S.L. Method and machine for producing mesh sheets
CN104858275B (en) * 2015-05-08 2017-06-13 宁波宏协承汽车部件有限公司 One kind realizes that water cuts product bending machine
JP6559639B2 (en) * 2016-10-31 2019-08-14 東京製綱株式会社 High strength wire mesh and rock fall prevention net
DE102017101751B3 (en) 2017-01-30 2018-07-12 Geobrugg Ag Bending device and method for producing a wire mesh
DE102017101753B3 (en) 2017-01-30 2018-06-21 Geobrugg Ag wire mesh
DE102017101755B3 (en) 2017-01-30 2018-06-21 Geobrugg Ag Wire mesh and method of making a coil for a wire mesh
DE102017123817A1 (en) * 2017-10-12 2019-04-18 Geobrugg Ag Wire mesh device

Citations (6)

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Publication number Priority date Publication date Assignee Title
CN1114922A (en) * 1994-04-08 1996-01-17 发特泽公开股份有限公司 Method and apparatus for producing a retaining net
CN1256734A (en) * 1998-02-25 2000-06-14 发特泽公开股份有限公司 Woven wire netting for protection against rock falls or for securing top layer of soil, and method and device for producing same
JP2004314124A (en) * 2003-04-16 2004-11-11 Taihei Kogyo Co Ltd Folding mechanism for wire netting
CN1696408A (en) * 2004-06-08 2005-11-16 法策公司 Protective net and its mfg.method
EP1795279A1 (en) * 2005-12-09 2007-06-13 Fatzer AG Drahtseilfabrik Protective net, in particular for protection against rock falls or for securing a top layer of soil
CN201162220Y (en) * 2008-02-29 2008-12-10 成都航发液压工程有限公司 Novel flexible protective net

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1114922A (en) * 1994-04-08 1996-01-17 发特泽公开股份有限公司 Method and apparatus for producing a retaining net
CN1256734A (en) * 1998-02-25 2000-06-14 发特泽公开股份有限公司 Woven wire netting for protection against rock falls or for securing top layer of soil, and method and device for producing same
JP2004314124A (en) * 2003-04-16 2004-11-11 Taihei Kogyo Co Ltd Folding mechanism for wire netting
CN1696408A (en) * 2004-06-08 2005-11-16 法策公司 Protective net and its mfg.method
EP1795279A1 (en) * 2005-12-09 2007-06-13 Fatzer AG Drahtseilfabrik Protective net, in particular for protection against rock falls or for securing a top layer of soil
CN201162220Y (en) * 2008-02-29 2008-12-10 成都航发液压工程有限公司 Novel flexible protective net

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI647024B (en) * 2017-01-30 2019-01-11 瑞士商吉爾柏格股份有限公司 Wire mesh and method of manufacturing a spiral structure for a wire mesh
TWI647025B (en) * 2017-01-30 2019-01-11 瑞士商吉爾柏格股份有限公司 Wire mesh and method for manufacturing a spiral of wire mesh
CN110225800A (en) * 2017-01-30 2019-09-10 集奥布鲁克有限公司 For producing the bending apparatus of the coiled material of silk screen
US10549335B2 (en) 2017-01-30 2020-02-04 Geobrugg Ag Wire mesh and method for identifying a suitable wire
CN110225800B (en) * 2017-01-30 2020-03-03 集奥布鲁克有限公司 Bending device for a web for producing a screen

Also Published As

Publication number Publication date
CH703929A2 (en) 2012-04-13
NO20111352A1 (en) 2012-04-13
CA2752023A1 (en) 2012-04-12
MX2011010038A (en) 2012-04-16
CH703929B1 (en) 2014-11-14
MA34040B1 (en) 2013-03-05
CN102444113B (en) 2016-03-16
CA2752023C (en) 2019-04-30
PL396610A1 (en) 2012-04-23
ZA201106940B (en) 2012-07-25
CL2011002501A1 (en) 2012-01-13

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