CN202626875U - Waveform guardrail board - Google Patents
Waveform guardrail board Download PDFInfo
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- CN202626875U CN202626875U CN201220025845.2U CN201220025845U CN202626875U CN 202626875 U CN202626875 U CN 202626875U CN 201220025845 U CN201220025845 U CN 201220025845U CN 202626875 U CN202626875 U CN 202626875U
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Abstract
The utility model discloses a waveform guardrail board, which comprises a substrate which is fixedly connected with an anti-blocking block or a stand column, wherein waveform boards extend out of two sides of the substrate respectively; the substrate and the waveform boards have an integrated structure; the waveform boards protrude out of the board surface of the substrate towards the same side of the board surface of the substrate; the substrate is in smooth transition to the waveform boards; the substrate and the waveform boards extend in the length direction of the guardrail board and are thermoplastic composite boards; the thermoplastic composite boards comprise reinforcing skeletons; and thermoplastic material layers wrap outside the reinforcing skeletons. Aiming at the defects of high possibility of corrosion, high hardness and poor absorption of collision energy in a steel guardrail board, the defects of small elastic modulus, large size and high cost in an all-plastic guardrail board and the defects of complex production process and poor absorption of the collision energy in a steel-plastic guardrail board, the waveform guardrail board which is resistant to corrosion and appropriate in matching of rigidity and flexibility and can reduce harm to vehicles and personnel to the maximum limit is provided.
Description
Technical field
The utility model belongs to the traffic safety facilities technical field, relates to a kind of guardrail board, relates in particular to a kind of corrugated guardrail plate.
Background technology
High-speed transit is gone along with sb. to guard him, normal need to use protected apron or guardrail are gone along with sb. to guard him in large-scale place; The use field is extensive; Relate to a plurality of industries such as traffic, agricultural, amusement, industry, building, the anticollision facility of the livestock stable breeding on for example guardrail is often used in agriculture, large-scale residential community, speedway, bridge, large scale industry base and large-scale public place of entertainment such as race course, cycling track etc.
Wherein, of paramount importance security protection is traffic, and particularly speedway, through street and bridge all need guardrail, and the main effect of guardrail is to the driving vehicle protection, prevents to go out when accident from appearring in vehicle road and causes bigger personnel and vehicle loss.Existing guardrail adopts corrugated beam steeled protection fence basically; This guardrail adopts the corrugated cold-rolled steel sheet that has 2～3 half-waves as guardrail board usually; This guardrail board overlaps each other or splices each other and by upright supports through connector; Or connect to form continuous road anticollision barrier structure through obstruction block and column, and utilize the distortion of soil matrix, column, obstruction block, corrugated guardrail plate to come progressively absorbing impact energy, force errant vehicle to change direction.But the corrosion easily of the guardrail board of this girder steel surface, its appearance poor, application life are short, even excellently also want regular full maintenance, comprehensive cost and maintenance cost are higher.And the guardrail board hardness that girder steel is processed is high, rigidity is big, and the time of contact that errant vehicle and breast board bump against is short, so energy absorption ability is relatively poor, and is bigger to vehicle and occupant's harm.
Above-mentioned defective based on steel guard rail; The guardrail board that " to mould Dai Gang " processed has appearred; Like publication number is the Chinese patent " a kind of flexible pavement guardrail " of CN2350430A, discloses vibration damping property and flexibility that " B " font hollow-core construction that adopts PE plastic material slush moulding to form improves guardrail board.Publication number is that the Chinese patent " resin guardrail " of CN101023222A discloses through resin-molded and processes, and the hollow honeycomb panel-shaped base body that wavy cross-section, cross rib are alternately arranged makes guardrail board have higher-strength and shock-absorbing function.Above-mentioned guardrail board " to mould Dai Gang " though technical solution solved the easy corrosion of steel guard rail, appearance poor, application life is short, energy absorption ability is relatively poor, the problem bigger to vehicle and occupant's harm; But owing to will accomplish to prevent that vehicle from running off outside the road; The inevitable requirement guardrail has suitable mechanical strength and rigidity; Just can keep out the collision of vehicle; And the elasticity modulus of materials of plastics has only 1/200th (about 190000Mpa, the elasticity modulus of materials of polyvinyl (PE) is about 800Mpa like the elasticity modulus of materials of carbon steel) of steel, and the guardrail of this all-plastic structure just needs to consume more material just can reach the intensity that steel guard rail requires; Therefore the volume of overall plastic guardrail is big, cost is very high, is unfavorable for promoting the use of.
" steel is moulded compound " is another kind of solution.Like publication number is to bury reinforcing bar or gauze wire cloth in the Chinese patent " highway protecting fence made of composite material and production method thereof " of CN1393600A has proposed, and with unsaturated-resin, auxiliary material, the compound guardrail of glass fiber layer of cloth mold pressing.Publication number is that the Chinese patent " road guard member " of CN2644499A proposes at steel plate or the band steel polymer material layer through the corrugated guardrail plate surface coverage compound extrusion moulding of clod wash machine-shaping.In the guardrail scheme of above-mentioned steel and plastic composite material, the compound mode of mold pressing can't be produced continuously, causes production efficiency lower; The extrusion molding on waveform steel guard rail plate surface, its technology comparatively complicacy rise its cost.Have the problem of compatibility in the existing plastic-steel guardrail of the what is more important product between the plastic-steel, the peel strength between the plastic-steel is lower, use with installation process in be prone to because of plastic-steel separates, make its intensity and toughness deficiency, do not reach instructions for use and be prone to breakage; And the shrinkage factor that plastic-steel expands with heat and contract with cold is different; Expand with heat and contract with cold between the plastic-steel and can the relative slippage of appearance make the mating face of the two have the space between back two kinds of materials; To cause moisture to get into the steel of corrosion inside along the space on mating face from the breakage of material surface; Reduce the application life of guardrail board, and cause potential safety hazard.And above-mentioned plastic-steel guardrail all is the hard guardrail, or because of plastic-steel is easily separated can not rolling and bending, cause transportation and store inconvenience, and because of the guardrail board limited length, it is more that required accessory is installed, and makes its installation loaded down with trivial details.And above-mentioned plastic-steel guardrail is the main support parts with middle steel structure material still; Its outside compound plastics only are used to improve the effect that guardrail is corrosion-resistant, reduce curing requirements; Guardrail board hardness can not be reduced well, the crash energy that passes to vehicle can not be reduced well.
The utility model content
The technical problem that the utility model will solve is, to steel guardrail board in the prior art exist perishable, hardness is high, to colliding the defective of energy absorption difference; The overall plastic elasticity modulus of materials of overall plastic guardrail board is little, volume big, defect of high cost; And steel moulds compound guardrail board complex manufacturing, crash energy and absorbs relatively poor relatively defective, provide a kind of corrosion-resistant, alleviate the maintenance difficulty, can the good absorption crash energy reduce corrugated guardrail plate vehicle and personnel's injury.
The utility model solves the technical scheme that its technical problem adopted: a kind of corrugated guardrail plate; Comprise the substrate that is fixedly connected with obstruction block or column; Be extended with corrugated sheet respectively in the substrate transverse ends; Said substrate and said corrugated sheet are structure as a whole, and said corrugated sheet is to the same side-prominent of substrate surface and exceed substrate surface, and said substrate is smoothly transitted into corrugated sheet; Said substrate and corrugated sheet all extend on the guardrail board length direction, and said substrate and corrugated sheet all are respectively the thermoplastic composite plate, and said thermoplastic composite plate comprises the enhancing skeleton, are coated with layer of thermoplastic material at said enhancing skeleton.
In the described corrugated guardrail plate, the corrugated sheet of said substrate transverse ends setting all is respectively the corrugated sheet that has a crest at least, and the crest of said corrugated sheet forms outside fin along the substrate longitudinal extension.
In the described corrugated guardrail plate, the corrugated sheet of said substrate transverse ends is symmetrical set about the substrate axis, is having connecting hole on the substrate axis and on the sidewall of corrugated sheet.
In the described corrugated guardrail plate, said corrugated sheet comprises the top board of crest and inner side wall plate and the outside wallboard that progressively extend to trough the top board both sides, and said inner side wall plate and substrate are into a single integrated structure.
In the described corrugated guardrail plate, said outside wallboard is outward extended with flange plate, and said flange plate is to the bending of the axis of substrate direction, and said flange plate is the thermoplastic composite plate.
In the described corrugated guardrail plate, the enhancing skeleton in said substrate and the corrugated sheet is continual integrative-structure section bar.
In the described corrugated guardrail plate, the shape of cross section that strengthens skeleton in the top board of said corrugated sheet is arch, M shape, in-line, V-arrangement or the Ω shape of putting upside down.
In the described corrugated guardrail plate, the enhancing skeleton in said substrate, the corrugated sheet comprises the assembly section bar that a plurality of intervals are provided with.
In the described corrugated guardrail plate, be arranged at intervals with a plurality of assembly section bars in the said corrugated sheet, the assembly section bar is arranged into the enhancing skeleton that cross section is arch, T shape, M shape, V-arrangement or Ω shape in the top board of said corrugated sheet.
In the described corrugated guardrail plate; The outside wallboard of said corrugated sheet and inner side wall plate are tabular enhancing skeleton; Switching part between said substrate and the inner side wall plate is arranged with bar shaped section bar or the strand section bar that thickening strengthens, and the enhancing skeleton in the said substrate is the thickening section bar.
In the described corrugated guardrail plate, the enhancing skeleton exposed section in the said connecting hole is coated with layer of thermoplastic material.
In the described corrugated guardrail plate, the layer of thermoplastic material of said thermoplastic composite plate is unseparated double-layer structure or the three layer construction of being combined with each other;
Described double-layer structure is the pliable and tough shock resistance of internal layer and does not have broken cushion coat, outer field anti-aging wear-resisting overcoat; Perhaps described double-layer structure is bonding attached to the setting course and the overcoat that strengthen on the skeleton;
Said three layer construction be followed successively by from inside to outside bonding attached to strengthening setting course, the pliable and tough shock resistance on the skeleton and not having broken cushion coat and anti-aging wear-resisting overcoat.
In the described corrugated guardrail plate, said setting course is a resin of binding property material compatible with the gentle chemical characteristic towards layer of enhancing skeleton and mutual bonding; Said cushion coat does not have broken macromolecular material by pliable and tough and impact and processes; Said overcoat is that the macromolecular material with ageing resistace is processed.
In the described corrugated guardrail plate, said enhancing skeleton is to select hot strength to be higher than the section bar of 10～150 times of layer of thermoplastic material.
In the described corrugated guardrail plate, no gap is combined into one between the layer of thermoplastic material of said thermoplastic composite plate and the enhancing skeleton.Under 20 ℃ ± 5 ℃ conditions, the peel strength between enhancing skeleton and the layer of thermoplastic material is greater than 75N/cm.
In the described corrugated guardrail plate, the enhancing skeleton outside in the said corrugated sheet is provided with layer of thermoplastic material, enhancing skeleton inboard is provided with overcoat.
In the described corrugated guardrail plate, said enhancing skeleton is made up of the tabular section bar that two-layer interval is provided with, and is filled with padded coaming between the two.
The utility model adopts in the guardrail board; The waveform configuration distortion of corrugated sheet strengthens the impact resistance and the buffering ability of guardrail board; Substrate and corrugated sheet are structure as a whole and all adopt and have the thermoplastic composite plate that strengthens skeleton, therefore have stronger pliability and buffering ability simultaneously; Thereby creative impact resistance and two kinds of conflicting functional requirements of pliability when having solved the protective rail plate design, and can realize that high efficiency produces continuously.
Because the corrugated sheet of substrate transverse ends is all simultaneously towards the track; Because the outstanding substrate of corrugated sheet; After collision happens, at first can touch corrugated sheet, collision back corrugated sheet takes place to extend to be out of shape and slows down the suffered impact of errant vehicle; Prolong the time of contact of vehicle and guardrail, reduce impact peak value.Substrate and corrugated sheet are the thermoplastic composite plates simultaneously; The thermoplastic composite plate comprises the enhancing skeleton and strengthens the layer of thermoplastic material that the skeleton outsourcing is covered; Strengthen skeleton and have suitable rigidity and intensity, layer of thermoplastic material has pliability, shock resistance and do not have fragmentation; Therefore the thermoplastic composite plate of processing has suitable rigidity and certain pliability, and the pliability of thermoplastic composite plate and rigidity are creatively brought into play its effect respectively in the different phase of hit impact protection process in a product.
In the starting stage of impact event, because the layer of thermoplastic material shock resistance preferably of substrate and corrugated sheet is flexible, in Vehicular impact; Corrugated sheet is taken advantage of a situation progressively to be out of shape and is extended; The corrugated sheet effect of colliding that crashes is to come the absorbing impact energy through distortion, and the buffering through the thermoplastic composite plate, prolongs the time of contact of vehicle and guardrail; Reduce impact peak value; Slowed down the suffered impact of errant vehicle, at the deformation stage of impact event, the flange plate that bends to the axis of substrate direction helps the extension of corrugated sheet formation to a side; The filling-foam material of thermoplastic composite plate or elastic material can also avoid guardrail fragmentation and component thereof to pierce through car body, jeopardize the occupant.
In the utility model guardrail board; Substrate and corrugated sheet along the length direction of guardrail board extend can, can grow and lay apart from free of discontinuities, help errant vehicle with less angle along the without hindrance derivation of taking advantage of a situation of guardrail; The vehicle movement track is proofreaied and correct, let it get back to traveling lane.
In the utility model guardrail board; Corrugated sheet and substrate all adopt the thermoplastic composite plate to make the integral body of guardrail board have suitable intensity and rigidity; Also has certain pliability; Can continuously produce the very long continual guardrail board of length, and guardrail board ability rolling rolling is so that transport and accomplish the long apart from laying of random length.
The corrugated guardrail plate of the utility model not only improves the safety of guardrail, can also improve the installation effectiveness of guardrail; Disposable the laying of long distance also reduced the guardrail board connector, practices thrift cost.And then can on-the-spotly cut off, change the guardrail board of errant vehicle damage, the bare metal of cut-off part coats anticorrosion, and with the connector pad be connected.The utility model corrugated guardrail plate flexibility is moderate, also makes things convenient for the guardrail setting and the installation in road knee.
Description of drawings
To combine accompanying drawing and embodiment that the utility model is described further below, in the accompanying drawing:
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the structural representation of the utility model embodiment 2;
Fig. 3 is the structural representation of the utility model embodiment 3;
Fig. 4 is the structural representation of the utility model embodiment 4;
Fig. 5 is the structural representation of the utility model embodiment 5;
Fig. 6 is the structural representation of the utility model embodiment 6;
Fig. 7 is the structural representation of the utility model embodiment thermoplastic composite plate double-layer structure;
Fig. 8 is the structural representation of first kind of embodiment of the utility model embodiment thermoplastic composite plate three layer construction;
Fig. 9 is the structural representation of second kind of embodiment of the utility model embodiment thermoplastic composite plate three layer construction.
The specific embodiment
Understand for technical characterictic, purpose and effect to the utility model have more clearly, contrast the specific embodiment that accompanying drawing specifies the utility model at present.
Shown in Fig. 1～9; A kind of corrugated guardrail plate; Comprise the substrate 10 that is fixedly connected with column 200 with obstruction block 100, be extended with corrugated sheet 20 respectively in substrate 10 transverse ends, said substrate 10 is structure as a whole with said corrugated sheet 20; The said corrugated sheet 20 that is separately positioned on substrate 10 transverse ends is same side-prominent to substrate 10 plate faces, and said substrate 10 is smoothly transitted into corrugated sheet 20; Said substrate 10 all extends on the guardrail board length direction with corrugated sheet 20, and said substrate 10 is the thermoplastic composite plate with corrugated sheet 20, and said thermoplastic composite plate comprises enhancing skeleton 4, is coated with layer of thermoplastic material at said enhancing skeleton 4.The corrugated guardrail plate that is the utility model is that substrate 10 extends with corrugated sheet 20 in the same way continuously and receipts are processed the sheet material of rolling up or cutting into piece.
Said thermoplastic composite plate comprises enhancing skeleton 4; Be coated with layer of thermoplastic material at said enhancing skeleton 4; Said layer of thermoplastic material is combined into one with strengthening skeleton 4 no gaps, and requires layer of thermoplastic material and the peel strength that strengthens skeleton 4 greater than 75N/cm (under 20 ℃ ± 5 ℃).
The method of testing of said peel strength is:
A) to scratch width be 15mm-25mm, rectangular more than the long 120mm along same direction with layer of thermoplastic material, should draw the mating face between diathermanous moulding material and the enhancing skeleton 4 when scratching, and lever up an end.
B) with Material Testing Machine with at the uniform velocity pull-up layer of thermoplastic material of speed vertical thermal moulding material laminar surface smaller or equal to 12mm/min, record dynamometer numerical value.The power value of record is peel strength divided by the width of peeling off of layer of thermoplastic material during with mensuration, and unit is N/cm.Adopt double-layer structure in the utility model or adopt the layer of thermoplastic material of three layer construction all to have higher peel strength, the peel strength of two-layer structure is 80N/cm, and the peel strength of three layer construction is more than the 85N/cm.
Said substrate 10 extends with the length direction of corrugated sheet 20 along guardrail board, therefore can adopt the compound mode of thermoplastic coextrusion to produce continuously.Its peel strength is higher, stressed and expand with heat and contract with cold after can not produce the relative slippage between the material layer, make its advantage that can give full play to thermoplastic composite, in use have higher intensity and toughness.In manufacturing and installation process, not easily separated between the layer of thermoplastic material, be convenient to rolling, uncoiling aligning and curved arc and lay, made things convenient for transportation, storage and installation.The corrugated guardrail plate of the utility model can be produced the guardrail board of random length owing to can uninterruptedly produce continuously, can cut off by conventional fixed length 4m according to the actual order needs, but also rolling rolling is convenient to transportation and is laid with on-the-spot.Can lay rolling guardrail board uncoiling leveling or curved arc according to the installation needs during on-the-spot the laying.According to " expressway traffic safety facilities design and construction technical specification JTJ074-94 ": the guardrail minimum is provided with length should not be less than 70m.The utility model is mainly considered the mass action of guardrail, the preferred guardrail board that adopts length, and guardrail board length is longer; Not only simplified the installation connection procedure, also can make guardrail board bring into play whole structure well as continuous beam, help errant vehicle with less angle along the without hindrance derivation of taking advantage of a situation of guardrail; Prolong the contact length of collision vehicle and guardrail, thereby prolong collision time, reduce the acceleration that subtracts of vehicle; Improve the crashworthiness of guardrail, reduce passenger's injures and deaths and vehicle damage.If it is shorter that guardrail is provided with length, then be not easy to bring into play the guide function of guardrail, increased the danger that errant vehicle bumps.
Shown in Fig. 1～6, corrugated sheet 20 is arranged on the transverse ends of substrate 10 and is structure as a whole with substrate 10, and integrative-structure has strengthened the bonding strength between substrate 10 and the corrugated sheet 20; Corrugated sheet 20 is the important structure on the guardrail board, and corrugated sheet 20 major functions are to tackle and vehicle impact is cushioned, and Vehicular impact at first contacts corrugated sheet 20; Take advantage of a situation progressively to be out of shape through corrugated sheet 20 earlier and extend; The effect of corrugated sheet 20 is to come the absorbing impact energy through distortion, and passes through the cushioning effect of thermoplastic composite plate, can prolong the time of contact of vehicle and guardrail; Reduce impact peak value; Slowed down the suffered impact of errant vehicle, at the deformation stage of impact event, the flange plate that bends to the axis of substrate direction helps the extension of corrugated sheet formation to a side; The filling-foam material of thermoplastic composite plate or elastic material can also avoid guardrail fragmentation and component thereof to pierce through car body, jeopardize the occupant.Wherein the damping action of layer of thermoplastic material makes whole guardrail have bumper and absorbing shock function preferably, can prevent that vehicle from passing through guardrail or topple on guardrail.
The main effect of substrate 10 is to be used for supporting and fixing; Make guardrail board through directly being connected with column, or connect to form to support and fixing through obstruction block and column, substrate 10 can be provided with one; Also can be provided with a plurality of; Be corrugated sheet 20 between the adjacent substrate 10, the corrugated sheet 20 between the substrate 10 can be provided with one, also can be provided with a plurality of.Longitudinally (length direction of guardrail board) offers connecting hole 50 on substrate 10, and connecting hole 50 is provided with on the axis that the position preferably is arranged on substrate 10, is engaged in the connecting hole 50 through bolt 11 detachably to be fixedly connected with obstruction block or column.Substrate 10 shapes are multiple structures such as flat board, arc, sketch plate, and are preferred dull and stereotyped.Since the supporting role of substrate 10, the platy structure of the enhancing skeleton 4 preferred one in the substrate 10.
The corrugated sheet 20 of said substrate 10 transverse ends all is respectively the corrugated sheet 20 that has a crest at least, and the crest of said corrugated sheet 20 forms outside fin along substrate 10 longitudinal extensions.Being the homonymy setting of said corrugated sheet 20 at substrate 10 plate faces, all is outstanding to road, and the corrugated sheet 20 of substrate 10 horizontal every sides can be the corrugated sheet 20 of a crest, also can be the corrugated sheet 20 of a plurality of crests, the corrugated sheet 20 of a preferred crest.The corrugated sheet 20 of substrate 10 transverse ends can be symmetrically arranged, also can not be symmetrical set, and the shape of corrugated sheet 20 can be identical with size, also can be different.Corrugated sheet 20 shapes of preferable substrate 10 transverse ends are identical and be symmetrical set.Different according to the degree of protection of guardrail board, a plurality of substrates 10 can be set, a plurality of substrates 10 are arranged between a plurality of corrugated sheets 20, such as by three corrugated sheets 20 and two substrates, the 10 smooth corrugated guardrail plates that also can form three ripples that are connected.
Said outside wallboard 21 is outward extended with flange plate 30, and said flange plate 30 is to the bending of the axis of substrate 10 direction, and said flange plate 30 is the thermoplastic composite plate.Flange plate 30 is extensions of outside wallboard 21, the two integrative-structure, and the shape of flange plate 30 does not limit, and can be multiple shapes such as flat board, curved slab or semicolumn plate.The effect of flange plate 30 is the STRESS VARIATION of regulating the reinforcing profile turning point, thereby helps the flattening of corrugated sheet 20 in the collision deformation process.
Like Fig. 7,8, shown in 9, the thermoplastic composite plate comprises enhancing skeleton 4 and layer of thermoplastic material.Said enhancing skeleton 4 is vertical or/and transversely arranged forming far above at least one section bar of thermoplastic material for hot strength.
Enhancing skeleton 4 in the substrate 10 has two types with the enhancing skeleton 4 in the corrugated sheet 20, and in every type in fact multiple structure is arranged.
One type that strengthens skeleton 4 is: the enhancing skeleton 4 in said substrate 10 and the corrugated sheet 20 is continual integrative-structure section bar.Be the section bar of an integral body to be set in substrate 10 and the corrugated sheet 20 as strengthening skeleton 4; Section bar strengthens skeleton 4 through cold rolling substrate 10 parts that are shaped to integrative-structure and strengthens skeleton 4 with corrugated sheet 20 parts; When flange plate 30 is arranged, the also simultaneously cold rolling enhancing skeleton 4 that goes out flange plate 30 parts.General whole section bar is a plank frame.
Because the top board 22 in the corrugated sheet 20 is the positions that directly receive vehicular impact; The shape of cross section that strengthens skeleton 4 in the top board 22 of said corrugated sheet 20 is arch, M shape, in-line, V-arrangement or the Ω shape of putting upside down; Multiple different shape effect is to be used to strengthen impact resistance, buffer capacity; Particularly M shape, V-arrangement or the Ω shape of putting upside down have increased top board 22 and have strengthened the shared space width of skeleton 4, make to coat the also corresponding increase of layer of thermoplastic material integral thickness that strengthens skeleton 4; Improve top board 22 pliabilities and rigidity simultaneously, strengthened whole impact resistance.The enhancing skeleton 4 of above-mentioned these shapes all is enhancing skeleton 4 one-body molded the making through means such as cold rolling and other part.Preferably with the section bar of flat board through cold rolling formation.
Strengthening skeleton 4 another kind of embodiments is: strengthen the assembly section bar that comprising of skeleton 4, a plurality of intervals were provided with.The assembly section bar is to adopt the section bar of multiple identical or different structure, identical or different size to cooperate at interval; For example top board 22 adopts the section bar of a kind of structure and size; The section bar of inner side wall plate 23 and outside wallboard 21 employing same structures or another kind of structure and size, flange plate 30 also can adopt the section bar of identical or different structure and size.Be arranged at intervals with a plurality of assembly section bars in the top board 22 of said corrugated sheet 20; Said assembly section bar be arranged into the enhancing skeleton 4 that cross section is arch, T shape, M shape, V-arrangement or Ω shape; For example the assembly section bar is bar shaped, strand shape, and interval or next-door neighbour arrange and form the enhancing skeleton 4 of arch, T shape, M shape, V-arrangement or Ω shape.
In the guardrail board; Receiving and colliding the position is top board 22; The stress concentrated position that corrugated sheet 20 receives collision deformation be top board 22 and with substrate 10 junctions, substrate 10 junction with obstruction block 100, in order to improve whole impact resistance, improve its rigidity; Then increase thickness and the size that strengthens skeleton 4, to guarantee to strengthen the intensity of skeleton 4 in above-mentioned position.The selection that strengthens skeleton 4 has following several kinds of schemes: a kind of is that the outside wallboard 21 of said corrugated sheet 20 is tabular enhancing skeleton 4 with inner side wall plate 23; Switching part between said substrate 10 and the inner side wall plate 23 is arranged with the bar shaped section bar or the larger-size strand section bar of thickening; Enhancing skeleton 4 in the said substrate 10 is thickening section bar, the section bar that for example adopts thickening section bar or two-layer interval to be provided with.
The another kind that strengthens skeleton 4 embodiments is: said enhancing skeleton 4 is made up of the tabular section bar that two-layer interval is provided with, and is filled with padded coaming between the two, and padded coaming is foamed material or elastic material.The foamed plastics that foamed material is, bipeltate, elastic material are rubber, damping cotton etc.
Because the thermoplastic composite plate will have suitable mechanical strength and rigidity; Strengthen skeleton 4 and in the whole plate body of thermoplastic composite plate, play support, anti-collision effect; Therefore; Strengthen skeleton 4 and select the section bar of modulus of elasticity greater than the modulus of elasticity of layer of thermoplastic material, section bar be meant through rolling, extrude, object that technology such as casting is processed with certain geometrical shape.The hot strength of said enhancing skeleton 4 is 1: 10～1: 150 with the ratio of the hot strength of layer of thermoplastic material, any data in this scope can, just need carry out the selection of thickness and shape to the material of different hot strengths.The preferred hot strength that strengthens skeleton 4 is greater than 120MPa.The utility model preferred tensile strength is much larger than the section bar of layer of thermoplastic material; Section bar can be selected shape, organic reinforcing profile and inorganic reinforcing profile; During use, can use a kind of section bar separately, also can section bar collocation multiple shape is different, that material is different use together.
Shape can select to have steel band, the steel wire of certain width, can also be shaped steel (like garden type, square, angle steel, i iron, channel-section steel etc.), Guan Gang (like garden pipe, square tube, shape tube etc.) etc. or the metallic fiber (like metal whiskers such as boron fibre and aluminium, titanium, calcium etc.) of suitable depth; Organic and inorganic reinforcing profile comprises inorfil (like glass fiber, carbon fiber, whisker, quartz fibre, graphite fibre and ceramic fibre etc.) or section bar; Organic fiber (like PAN fiber, polyethylene fibre, PA fiber, PC fiber, PVA fiber and polyester fiber etc.) or section bar preferably are convenient to quantity-produced braiding laminated structure or strand fortifying fibre.
The said enhancing skeleton 4 of the utility model is an integral section tabular, tubulose, or a plurality of tabular, bar shaped, tubulose, linear or pencil section bar interval group fit over and form together.Be a plurality of section bars vertically arrange, transversely arranged, or vertical and horizontal interlacing slabbing.But a plurality of section bar spacings are arranged in economical with materials under the prerequisite of guaranteed strength, reduce cost and strengthen cushioning effect.
The width of tabular section bar and length and thermoplastic composite plate width and length adapt, and can narrowly, too short have to support and shock proof effect.When selecting other structure example such as round steel, steel wire, band steel, narrow steel strip, the fortifying fibre of the narrower independent bar shaped of distribution of width, can be as required that section bar is parallel, multiple mode such as strand arranges to form and strengthen skeleton 4.
It is 10%～90% that the percentage by weight of said enhancing skeleton 4 in the thermoplastic composite plate varies in size by the hot strength that strengthens skeleton 4; Setting course 3 thickness are 0.1～0.25mm; Said cushion coat 2 thickness are 0.5cm～3cm, and the thickness of special top board position cushion coat 2 can be 1.5～2 times of this thickness.Much larger than the thickness of setting course 3 and overcoat 1, said overcoat 1 thickness is greater than 0.8mm, and material thickness depends primarily on requirement of strength and the functional requirement and the material therefor characteristics such as shock resistance flexibility, shock-resistant fragmentation of composite plate.
The thermoplastic composite plate that substrate 10, corrugated sheet 20 adopts like Fig. 8, three layers shown in 9 can also adopt the thermoplastic composite plate of double-layer structure as shown in Figure 7.Except said structure; Corrugated sheet 20 another kind of embodiments can also be: enhancing skeleton 4 outsides are provided with layer of thermoplastic material, enhancing skeleton 4 inboards are provided with overcoat; Promptly be provided with layer of thermoplastic material in corrugated sheet 20 outsides towards road, corrugated sheet 20 inboards of road only are provided with overcoat dorsad.
As shown in Figure 7, serve as reasons in outside anti-aging wear-resisting overcoat 1, the overcoat 1 pliable and tough shock resistance and do not have the broken cushion coat 2 unseparated two-layer structure that is combined with each other of said thermoplastic composite plate; Perhaps said thermoplastic composite plate can also be for including only bonding two-layer structure attached to setting course 3 on the enhancing skeleton 4 and overcoat 1.
With respect to overcoat 1, cushion coat 2 thickness are thicker, and cushion coat 2 thickness are can be according to the site requirements of going along with sb. to guard him different and different and take all factors into consideration financial cost, and the cushion coat preferred thickness that generally is used for road guard is at 0.5cm～3cm.Also can select buffer layer thickness to be higher than 3cm.
Like Fig. 8, shown in 9, said layer of thermoplastic material is the unseparated three layer construction that is combined with each other, and is followed successively by bonding attached to strengthening setting course 3, the pliable and tough shock resistance on the skeleton 4 and not having broken cushion coat 2 and anti-aging wear-resisting overcoat 1 from inside to outside.
Said setting course 3 is a resin of binding property material compatible with the materials chemistry characteristic that strengthens skeleton 4 and cushion coat 2 and mutual bonding.The resin of binding property material that setting course 3 is selected for use has the effect of bonding simultaneously to the macromolecular material of the material that strengthens skeleton 4 and cushion coat 2; Consider cushion coat 2 and the material and the character that strengthen skeleton 4 during setting course 3 selections simultaneously; Because it is metal, other inorganic material or organic material that the utility model strengthens the selection of skeleton 4; Cushion coat 2 is selected macromolecular material; Then setting course 3 just selects that multiple material such as metal, inorganic material and organic material, macromolecular material etc. is all had good adhesive property, and can closely bond any material that is combined with each other with the cushion coat 2 that enhancing skeleton 4, macromolecular material are processed.For example cushion coat 2 adopts polyolefin (PO) type material; Like polypropylene (PP) and linear polyethylene (LLDPE) blend, when strengthening skeleton 4 and being chosen as steel band, setting course 3 can be selected polyvinyl for use, also can select ethylene acrylic acid co polymer or other and metal and the complete compatible material of TPO plastics for use; As shown in Figure 6; For the enhancing skeleton 4 of an independent shape or macromolecular material section bar, setting course 3 just is combined in the external surface of this shape or macromolecular material section bar, and is as shown in Figure 8; If the enhancing skeleton 4 of selecting multi-part type material permutation and combination to form, then the surface of the section bar of each exposed appearance all is combined with setting course 3.
Said cushion coat 2 coats outside the said setting course 3 and does not have broken macromolecular material by shock resistance and process.Cushion coat 2 materials in the thermoplastic composite plate among cushion coat 2 and Fig. 7 are identical, repeat no more at this.
The thermoplastic composite plate is selected for use to be had only bondingly during attached to the setting course and the overcoat that strengthen on the skeleton 4, is mainly used in the not position of contact-impact, for example corrugated sheet 20 or substrate 10 inboard of road dorsad.
Shown in Fig. 1～6, the substrate 10 general connecting holes 50 that pass through are connected with the obstruction block that is provided with at interval, and obstruction block 100 is connected to form guardrail with the column that fixes on the ground.The effect of obstruction block 100 is to prevent that column from stumbling to the resistance that vehicle slides along guardrail board, prevents that vehicle body and column from bumping against the back and producing the danger that stops suddenly, perhaps rebounds and causes serious consequence.Said substrate 10 is a platy structure, can be various templates such as flat board, arc, hollow sheeting, sketch plate.
Said substrate 10 upper edge guardrail board length directions are the substrate 10 longitudinally-spaced connecting holes 50 that detachably are fixedly connected with obstruction block 100 or column 200 that are useful on, and the position of connecting hole 50 does not limit, and preferably is arranged on the axis of substrate 10.Corrugated sheet 20 sidewalls be inner side wall plate 23 with outside wallboard 21 on have connecting hole 50 equally, the effect of this connecting hole 50 is that guardrail board that customized cut-off is processed overlaps each other or is spliced into beam structure each other through connector.Connecting hole 50 on the substrate 10 is arranged on the enhancing skeleton 4 of thermoplastic composite plate; To guarantee the bonding strength of guardrail board and obstruction block 100; And can be when whole column 200 beginnings lodging downwards; Guardrail board and column 200 are broken away to prevent that guardrail board from column 200 lodging, causing errant vehicle to go out guardrail.
In order to prevent that moisture from entering into the enhancing skeleton 4 corrosions damage that enhancing skeleton 4 causes corrosion susceptible materials to process in connecting hole 50; When adopting the enhancing skeleton 4 that corrosion susceptible materials processes; The incision of the enhancing skeleton 4 of corresponding corrosion susceptible materials is coated with layer of thermoplastic material in the said connecting hole 50, and enhancing skeleton 4 exposed sections in the promptly said connecting hole 50 are coated with layer of thermoplastic material.Be coated on the inside of layer of thermoplastic material fully with strengthening skeleton 4, prevent that its corrosion from damaging.
Below enumerate several specific embodiment, with the setting of aforesaid substrate 10, corrugated sheet 20 with arrange and specifically describe:
In embodiment 1, the corrugated guardrail plate as shown in Figure 1, substrate 10 is flat thermoplastic composite plate, has a plurality of connecting holes 50 at interval on the axis of substrate 10, is coated with bolt 11 in the connecting hole 50 obstruction block 100 and column 200 are fixed together.Be extended with corrugated sheet 20 respectively in substrate 10 transverse ends, said substrate 10 is structure as a whole with said corrugated sheet 20, and said corrugated sheet 20 is to the same side-prominent of substrate 10 plate faces and exceed substrate 10 plate faces, and said substrate 10 is smoothly transitted into corrugated sheet 20; Said substrate 10 all extends on the guardrail board length direction with corrugated sheet 20, and said substrate 10 is the thermoplastic composite plate with corrugated sheet 20, and said thermoplastic composite plate comprises enhancing skeleton 4, is coated with layer of thermoplastic material at said enhancing skeleton 4.The corrugated sheet 20 of said substrate 10 both lateral sides all is respectively the corrugated sheet 20 that has a crest at least, and the crest of said corrugated sheet 20 forms outside fin along substrate 10 longitudinal extensions.Have only a crest in the present embodiment in the corrugated sheet 20 of substrate 10 1 sides, form a half-wave shape structure.Said corrugated sheet 20 comprises the top board 22 of crest and the inner side wall plate 23 and outside wallboard 21 that progressively extend to trough top board 22 both sides, and said inner side wall plate 23 is into a single integrated structure with substrate 10.On the sidewall of corrugated sheet 20, have connecting hole 50, promptly on inner side wall plate 23 and outside wallboard 21, have connecting hole 50 respectively at interval, the guardrail board that this connecting hole 50 is used to customized cut-off is processed overlaps each other or is spliced into beam structure each other through connector.
The layer of thermoplastic material that strengthens skeleton 4 inboards, the outside all adopts three layer construction, comprises setting course, cushion coat, overcoat.Enhancing skeleton 4 inboard layer of thermoplastic material also can be economized slightly has only one deck overcoat.In order to increase shock-absorbing capacity, the buffer layer thickness that coats towards enhancing skeleton 4 outsides of road especially in the top board 22 thickness of cushion coat be more than 1.5～2 times of other position.
The outside wallboard 21 of corrugated sheet 20 is extended with the flange plate 30 of varied angle; Flange plate 30 bends to the axis of substrate 10 direction; Said flange plate 30 also is the thermoplastic composite plate, and thermoplastic composite plate concrete structure is identical with outside wallboard 21, and the enhancing skeleton 4 in the flange plate 30 is identical with structure with outside wallboard 21 shapes; The two integrative-structure, promptly strengthening skeleton 4 in the flange plate 30 is that wallboard 21 extensions in the outside obtain.
Mending in the connecting hole 50 has layer of thermoplastic material 41 will strengthen skeleton 4 to be closed.
On the basis of said structure, the another kind that strengthens skeleton 4 embodiments is: said enhancing skeleton 4 is made up of the tabular section bar that two-layer interval is provided with, and is filled with padded coaming between the two, and padded coaming is foamed material or elastic material.The foamed plastics that foamed material is, bipeltate, elastic material are rubber, damping cotton etc.
Embodiment 5, guardrail board as shown in Figure 5 are the improvement of carrying out on the basis of embodiment 1, comprise the substrate 10 of slabbed construction.The profile of top board 22 is an arch in the corrugated sheet 20; Enhancing skeletons 4 in the top board 22 are the structures of arranging the T shape that forms by a plurality of assembly section bars; The assembly section bar is that strand section bar or cross section are the strip section of shapes such as circle, polygon, and the strand section bar is that many linear materials twist together formation.The assembly section bar quantity of arranging is decided according to corrugated sheet 20 shapes, can be the amount doesn't matter, and many groups of generally will arranging at the top; Forming the cross section is arranging of arc or straight line, adopts strand section bar, the top board 22 interval four groups of strand section bars of arranging in the present embodiment; The below two groups of strand section bars of arranging; Four groups of the top is that the cross section is the form that straight line is arranged, and also can be to be arranged into arc, identical with top board 22 profiles.The T shape of assembly section bar is arranged and is formed the enhancing skeleton 4 of top board 22 parts, is enclosed with layer of thermoplastic material around the assembly section bar.Layer of thermoplastic material is the three layer construction that comprises setting course, cushion coat and overcoat, also can only comprise the double-layer structure of cushion coat and overcoat.
Present embodiment China and foreign countries sidewall paneling 21 is extended with flange plate 30; Strengthen the formation of arranging of strip section that skeleton 4 is shapes such as circle or polygon for the strand section bars or the cross section of many groups in the flange plate 30; Two groups of strand section bars are set in flange plate 30 in the present embodiment; Two groups of strand section bars are provided with at interval, and their outsides are provided with layer of thermoplastic material.Be provided with at least one group of strand section bar in substrate 10 and inner side wall plate 23 junctions, the cross section is the strip section of shapes such as circle or polygon, the profile size specification of the employing at this place strengthens, and is used to strengthen the intensity and the pliability at this place.Preferred one group of strand section bar in the present embodiment.All the other structures repeat no more at this with embodiment 1.
Embodiment 6, guardrail board as shown in Figure 6 are the improvement of carrying out on the basis of embodiment 5; Substrate 10 remains unchanged, and strengthening skeleton 4 in the top board 22 in the corrugated sheet 20 is M shape or the V-arrangement that the strip section of shapes such as circle or polygon is arranged and formed for strand section bar, cross section.Be provided with at least one group of strand section bar in substrate 10 and inner side wall plate 23 junctions, the cross section is the strip section of shapes such as circle or polygon, section bar be arranged into arc, profile size specification that this place adopts strengthens, and is used to strengthen the intensity and the pliability at this place.Preferred three groups of strand section bars are intervally arranged in the present embodiment.
Because the recess that has adopted top board to strengthen skeleton 4 is filled and led up by the cushion coat of layer of thermoplastic material, the buffer layer thickness here is 1.5～2 times of other position in the present embodiment.The thermoplastic material layer thickness that such top board 22 structures make top board 22 places strengthen skeleton 4 outsides increases greatly, has strengthened the pliability and the buffering ability of top board 22.Be enclosed with layer of thermoplastic material around the assembly section bar.Layer of thermoplastic material is the three layer construction that comprises setting course, cushion coat and overcoat, also can only comprise the double-layer structure of cushion coat and overcoat.
All the other structures repeat no more at this with embodiment 5.
Claims (16)
1. corrugated guardrail plate; It is characterized in that; Comprise the substrate that is fixedly connected with obstruction block or column, be extended with corrugated sheet respectively in the substrate transverse ends, said substrate and said corrugated sheet are structure as a whole; Said corrugated sheet is to the same side-prominent of substrate surface and exceed substrate surface, and said substrate is smoothly transitted into corrugated sheet; Said substrate and corrugated sheet all extend on the guardrail board length direction, and said substrate and corrugated sheet all are respectively the thermoplastic composite plate, and said thermoplastic composite plate comprises the enhancing skeleton, are coated with layer of thermoplastic material at said enhancing skeleton.
2. corrugated guardrail plate according to claim 1 is characterized in that, the corrugated sheet of said substrate transverse ends all is respectively the corrugated sheet that has a crest at least, and the crest of said corrugated sheet forms outside fin along the substrate longitudinal extension.
3. corrugated guardrail plate according to claim 1 is characterized in that the corrugated sheet of said substrate transverse ends is symmetrical set about the substrate axis, is having connecting hole on the substrate axis and on the sidewall of corrugated sheet.
4. corrugated guardrail plate according to claim 1 is characterized in that, said corrugated sheet comprises the top board of crest and inner side wall plate and the outside wallboard that progressively extend to trough the top board both sides, and said inner side wall plate and substrate are into a single integrated structure.
5. corrugated guardrail plate according to claim 4 is characterized in that, said outside wallboard is outward extended with flange plate, and said flange plate is to the bending of the axis of substrate direction, and said flange plate is the thermoplastic composite plate.
6. corrugated guardrail plate according to claim 1 is characterized in that, the enhancing skeleton in said substrate and the corrugated sheet is continual integrative-structure section bar.
7. corrugated guardrail plate according to claim 6 is characterized in that, the shape of cross section that strengthens skeleton in the top board of said corrugated sheet is arch, M shape, in-line, V-arrangement or the Ω shape of putting upside down.
8. corrugated guardrail plate according to claim 1 is characterized in that, the enhancing skeleton in said substrate, the corrugated sheet comprises the assembly section bar that a plurality of intervals are provided with.
9. corrugated guardrail plate according to claim 8 is characterized in that, is arranged at intervals with a plurality of assembly section bars in the said corrugated sheet, and the assembly section bar is arranged into the enhancing skeleton that cross section is arch, T shape, M shape, V-arrangement or the Ω shape of putting upside down in the top board of said corrugated sheet.
10. corrugated guardrail plate according to claim 8; It is characterized in that; The outside wallboard of said corrugated sheet and inner side wall plate are tabular enhancing skeleton; Switching part between said substrate and the inner side wall plate is arranged with bar shaped section bar or the strand section bar that thickening strengthens, and the enhancing skeleton in the said substrate is the thickening section bar.
11. corrugated guardrail plate according to claim 3 is characterized in that, the enhancing skeleton exposed section in the said connecting hole is coated with layer of thermoplastic material.
12., it is characterized in that the layer of thermoplastic material of said thermoplastic composite plate is unseparated double-layer structure or the three layer construction of being combined with each other according to any described corrugated guardrail plate of claim 1～11;
Described double-layer structure is the pliable and tough shock resistance of internal layer and does not have broken cushion coat, outer field anti-aging wear-resisting overcoat; Perhaps described double-layer structure is bonding attached to the setting course and the overcoat that strengthen on the skeleton;
Said three layer construction be followed successively by from inside to outside bonding attached to strengthening setting course, the pliable and tough shock resistance on the skeleton and not having broken cushion coat and anti-aging wear-resisting overcoat.
13., it is characterized in that said enhancing skeleton is to select hot strength to be higher than the section bar of 10～150 times of layer of thermoplastic material according to any described corrugated guardrail plate of claim 1～11.
14., it is characterized in that no gap is combined into one between the layer of thermoplastic material of said thermoplastic composite plate and the enhancing skeleton according to any described corrugated guardrail plate of claim 1～11.
15., it is characterized in that the enhancing skeleton outside in the said corrugated sheet is provided with layer of thermoplastic material, enhancing skeleton inboard is provided with overcoat according to any described corrugated guardrail plate of claim 1～11.
16., it is characterized in that said enhancing skeleton is made up of the tabular section bar that two-layer interval is provided with, and is filled with padded coaming between the two according to any described corrugated guardrail plate of claim 1～11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220025845.2U CN202626875U (en) | 2012-01-19 | 2012-01-19 | Waveform guardrail board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220025845.2U CN202626875U (en) | 2012-01-19 | 2012-01-19 | Waveform guardrail board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202626875U true CN202626875U (en) | 2012-12-26 |
Family
ID=47380086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220025845.2U Withdrawn - After Issue CN202626875U (en) | 2012-01-19 | 2012-01-19 | Waveform guardrail board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202626875U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535334A (en) * | 2012-01-19 | 2012-07-04 | 湖南金鸿科技工业股份有限公司 | Corrugated guardrail plate |
| CN103572722A (en) * | 2013-11-27 | 2014-02-12 | 李铭山 | Buckle type wave-shaped beam plate |
| CN110219503A (en) * | 2019-07-01 | 2019-09-10 | 江苏固耐特围栏系统股份有限公司 | A kind of anti-stress damage structure of upright column of fence and upright fence post and fence system |
-
2012
- 2012-01-19 CN CN201220025845.2U patent/CN202626875U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535334A (en) * | 2012-01-19 | 2012-07-04 | 湖南金鸿科技工业股份有限公司 | Corrugated guardrail plate |
| CN102535334B (en) * | 2012-01-19 | 2014-03-19 | 湖南金鸿科技工业股份有限公司 | Corrugated guardrail plate |
| CN103572722A (en) * | 2013-11-27 | 2014-02-12 | 李铭山 | Buckle type wave-shaped beam plate |
| CN110219503A (en) * | 2019-07-01 | 2019-09-10 | 江苏固耐特围栏系统股份有限公司 | A kind of anti-stress damage structure of upright column of fence and upright fence post and fence system |
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