CN102535368B - Hollow guardrail plate - Google Patents
Hollow guardrail plate Download PDFInfo
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- CN102535368B CN102535368B CN201210017550.5A CN201210017550A CN102535368B CN 102535368 B CN102535368 B CN 102535368B CN 201210017550 A CN201210017550 A CN 201210017550A CN 102535368 B CN102535368 B CN 102535368B
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- floor
- beam slab
- guardrail
- hollow
- skeleton
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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
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0453—Rails of materials other than metal or concrete, e.g. wood, plastics; Rails of different materials, e.g. rubber-faced metal profiles, concrete-filled steel tubes
Abstract
The invention discloses a hollow guardrail plate, which comprises a beam. A plurality of first rib plates integrated with the beam are arranged on a beam face, the beam and the first rib plates extend along the length direction of the guardrail plate, a second rib plate is respectively arranged between two adjacent first rib plates, and the second rib plates extend along the length direction of the guardrail plate and form a hollow cavity surrounded by the second rib plates, the first rib plates and the beam. The first rib plates are thermoplastic composite plates, and the beam and each second rib plate are respectively the thermoplastic composite plate or a thermoplastic material plate. The thermoplastic composite plate comprises a strengthening frame, and a thermoplastic material layer is covered outside the strengthening frame. The hollow guardrail plate is corrosion resistant, appropriate in matching of rigidity and flexibility and capable of reducing damage on vehicles and staff to the maximum degree so as to overcome defects that steel guardrail plates are easy to corrode, high in hardness and poor in collision energy absorbing, full plastic guardrail plates are small in elastic modulus, big in volume and high in cost, and steel-plastic guardrail plates are complex in production process and poor in collision energy absorbing.
Description
Technical field
The invention belongs to traffic safety facilities technical field, relate to a kind of guardrail board, relate in particular to a kind of hollow guardrail plate.
Background technology
High-speed transit is gone along with sb. to guard him, large-scale place is often gone along with sb. to guard him and need to be used protected apron or guardrail, use field is extensive, relate to a plurality of industries such as traffic, agricultural, amusement, industry, building, the livestock stable breeding on being often used in agriculture such as guardrail, Large Residential District, speedway, bridge, large scale industry base and large-scale public place of entertainment are as the anticollision facility of 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 Function of guardrail is to driving vehicle protection, prevents that when accident from appearring in vehicle, going out road causes larger personnel and vehicle loss.Existing guardrail adopts corrugated beam steeled protection fence substantially, this guardrail conventionally adopts corrugated cold-rolled steel sheet with 2～3 half-waves as guardrail board, this guardrail board mutually overlaps or mutually splices and by upright supports by connector, or connect to form continuous crash barrier for roads structure by obstruction block and column, and utilize the distortion of soil matrix, column, obstruction block, corrugated guardrail plate progressively to absorb collision energy, force errant vehicle to change direction.But the easily corrosion of the guardrail board of this girder steel surface, its appearance poor, application life are short, even excellent, also want regular full maintenance, and comprehensive cost and maintenance cost are higher.And the guardrail board hardness that girder steel is made is high, rigidity is large, the time of contact that errant vehicle and breast board bump against is short, so energy absorption ability is poor, larger to vehicle and occupant's harm.
Above-mentioned defect based on steel guard rail, there is the guardrail board that " to mould Dai Gang " made, as Chinese patent < < flexible road guardrail > > that publication number is CN2350430A, vibration damping and flexibility that " B " font hollow-core construction that adopts PE plastic material slush moulding to form improves guardrail board are disclosed.Publication number is that the Chinese patent < < resin guardrail > > of CN101023222A discloses by resin-molded and makes, the hollow honeycomb panel-shaped base body of wavy cross-section, cross rib alternative arrangement, makes guardrail board have higher-strength and shock-absorbing function.Above-mentioned guardrail board " to mould Dai Gang " although technical solution solved the easy corrosion of steel guard rail, appearance poor, application life is short, energy absorption ability is poor, the problem larger to vehicle and occupant's harm, but owing to will accomplishing to prevent that vehicle from running off outside road, 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 only have steel 1/200th (if the elasticity modulus of materials of carbon steel is in about 190000Mpa, the elasticity modulus of materials of polyethylene (PE) is in 800Mpa left and right), the guardrail of this all-plastic structure just need to consume more material just can reach the intensity that steel guard rail requires, therefore the volume of overall plastic guardrail is large, cost is very high, be unfavorable for promoting the use of.
" steel is moulded compound " is another kind of solution.As the publication number Chinese patent < < highway protecting fence made of composite material that is CN1393600A and production method > > thereof bury reinforcing bar or gauze wire cloth in having proposed, and the guardrail compound with unsaturated-resin, auxiliary material, the mold pressing of glass fiber layer of cloth.Publication number be the Chinese patent < < Rad guard bar component > > of CN2644499A propose steel plate or with steel by the polymer material layer of 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 cannot be produced continuously, causes production efficiency lower; At waveform steel guard rail plate surface extrusion molding, its technique comparatively complexity rises its cost.In the existing plastic-steel guardrail of what is more important product, between plastic-steel, have the problem of compatibility, the peel strength between plastic-steel is lower, easily separated because of plastic-steel with in installation process in use, makes its intensity and toughness not enough, does not reach instructions for use and is prone to breakage; And the shrinkage factor that plastic-steel expands with heat and contract with cold is different, between the latter two of expanding with heat and contract with cold between plastic-steel material, there will be relative slippage to make the mating face of the two have space, the space that causes moisture from the breakage of material surface along mating face is entered to the inner steel of corrosion, reduce the application life of guardrail board, and cause potential safety hazard.And above-mentioned plastic-steel guardrail is all hard guardrail, or because of plastic-steel is easily separated can not rolling and bending, cause transportation and store inconvenience, and because of guardrail board limited length, required accessory being installed more, make its installation loaded down with trivial details.And above-mentioned plastic-steel guardrail still be take middle steel structure material as main support parts, its outside compound plastics are only for improving 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.
Summary of the invention
The technical problem to be solved in the present invention is, for steel-guardrail plate in prior art exist perishable, hardness is high, to colliding the poor defect of energy absorption; The defect that overall plastic elasticity modulus of materials is little, volume is large, cost is high of overall plastic guardrail board; And steel moulds compound guardrail board complex manufacturing, crash energy and absorbs relatively poor defect, provide a kind of corrosion-resistant, alleviate maintenance difficulty, can good absorption crash energy reduce the hollow guardrail plate to vehicle and personnel's injury.
The technical solution adopted for the present invention to solve the technical problems is: a kind of hollow guardrail plate, comprise beam slab, a plurality of and the first floor beam slab integrative-structure is set on the plate face of beam slab, described beam slab and the first floor extend along the length direction of guardrail board, between adjacent two the first floors, be provided with the second floor that two the first floors are coupled together, described the second floor also extends and encloses and cover hollow cavity with the first floor, beam slab along the length direction of guardrail board; Described the first floor is thermoplastic composite board, and described beam slab, described in each, the second floor is thermoplastic composite board or heat-stabilized wood flitch separately; Described thermoplastic composite board comprises enhancing skeleton, at described enhancing skeleton, is coated with layer of thermoplastic material.
The edge that described the first floor is fixedly connected with beam slab is bottom, the first floor opposite side edge of bottom is top relatively, extend to top from bottom with straight line, broken line or camber line form on described the first floor surface, and bottom inclination angle or the overall inclination angle of described the first floor on beam slab is not less than 70 °.
The top of described the first floor is provided with flange, or described the first floor cross section is the wedge shape that tip thickness is greater than bottom thickness.
Press degree of protection and/or the difference in height of the first floor from bottom to top of guardrail, the minimum thickness of described the first floor and the first floor ratio along the overhang of straight line, broken line or camber line from bottom to top is 1: 3～1: 25, the thickness of described the first floor is measured along the vertical direction of axis on its cross section, and the overhang of described the first floor is measured according to the length direction of axis on its cross section.
Described the first floor is along the longitudinal symmetry arrangement of beam slab, arrange in groups or the setting of arranging of waveform projection with respect to the installing hole arranging on beam slab.
One deck, described the second floor more than two-layer or two-layer are being set arbitrarily between two adjacent described the first floors, described the second floor two ends are structure as a whole with two be connected the first floors respectively, thereby described in adjacent two layers between the second floor, all leave respectively spacing between described the second floor and described beam slab and enclose the hollow cavity that covers sealing.
In described hollow cavity, be filled with padded coaming or buffer gas.
Described the second floor is provided with disrumpent feelings mouthful of at least one place, and successively directional fracture is superimposed to absorb energy and the first floor is successively lodged to make the second floor.
Described beam slab, described in each, the second floor is thermoplastic composite board or heat-stabilized wood flitch separately.
Serve as reasons in outside anti-aging wear-resisting overcoat, the overcoat pliable and tough shock resistance and without the broken cushion coat unseparated two-layer structure that is combined with each other of described heat-stabilized wood flitch; Or described heat-stabilized wood flitch is for only comprising pliable and tough shock resistance and without the single layer structure of broken cushion coat.
The layer of thermoplastic material of described thermoplastic composite board is the unseparated three layer construction that is combined with each other, and is followed successively by from inside to outside to be bondingly attached to the setting course strengthening on skeleton, pliable and tough shock resistance and without broken cushion coat and anti-aging wear-resisting overcoat.
Described setting course is resin of binding property material compatible with the chemical characteristic that strengthens skeleton and cushion coat and mutual bonding; Outside the coated described setting course of described cushion coat and by pliable and tough and impact, without broken macromolecular material, make; Described overcoat is to be compounded in cushion coat macromolecular material outer and that have an ageing resistace to make.
Described enhancing skeleton is to select hot strength far above the section bar of layer of thermoplastic material; The hot strength of described enhancing skeleton is 1: 10～1: 150 with the ratio of the hot strength of layer of thermoplastic material.
Described enhancing skeleton is tabular, bar shaped, tubulose, linear or pencil, or described enhancing skeleton is that tabular, strip or linear pressure tabled scarf or cross section cold rolling, that welding is combined into one are tree-like; Or described enhancing skeleton is that a plurality of section bars are arranged side by side or arranged with interval and the compound rear overall sectional of thermoplastic are tree-like structure.
Between the layer of thermoplastic material of described thermoplastic composite board and enhancing skeleton, gapless is combined into one, and under 20 ℃ ± 5 ℃ conditions, the peel strength strengthening between skeleton and layer of thermoplastic material is greater than 75N/cm.
Described beam slab can be at least one template in flat board, arc, hollow sheeting, sketch plate.
On described beam slab and described the second floor, correspondence has installing hole, at least one in described installing hole place beam slab and the second floor be thermoplastic composite board and mounting hole site in strengthening on skeleton, in described installing hole, the incision of the enhancing skeleton of corresponding corrosion susceptible materials is coated with layer of thermoplastic material.
The present invention makes full use of pliability and the buffer capacity of the malformation enhancing guardrail board of guardrail board, employing forms with the thermoplastic composite board lodging that strengthens skeleton the overlaying structure strengthening, and therefore has stronger pliability and buffer capacity and higher rigidity, intensity simultaneously; Rigidity and two kinds of conflicting functional requirements of pliability when thereby creativeness has solved protective rail plate design, and can realize high efficiency and produce continuously.
The present invention adopts a plurality of and the first floor beam slab integrative-structure is set on the side plate face of beam slab, between adjacent two the first floors, be provided with the second floor that two the first floors are coupled together, described the second floor and the first floor, beam slab enclose and cover hollow cavity; The first floor and the second floor are towards track, due to the first floor and the outstanding beam slab of the second floor, after collision happens, first can touch the first floor and the second floor, the hollow structure that after collision, the lodging of the first floor and the second floor form can slow down the suffered impact of errant vehicle, extend the time of contact of vehicle and guardrail, reduce impact peak value.Then the lodging of the first floor and the second floor be superposed to beam slab bending, stretching provides sufficient intensity.The first floor is thermoplastic composite board simultaneously; thermoplastic composite plate comprises the layer of thermoplastic material that strengthens skeleton and strengthen skeleton outer cladding; strengthen skeleton and there is suitable rigidity and intensity; layer of thermoplastic material has pliability; shock resistance and without fragmentation; therefore the thermoplastic composite board of making has suitable rigidity and certain pliability, the pliability of thermoplastic composite board and rigidity in a product creatively the different phase in hit impact protection process bring into play respectively its effect.
In the starting stage of impact event, because the good shock resistance of layer of thermoplastic material of the first floor is flexible, in Vehicular impact, a plurality of the first floor lodging, multilayer the second floor that forms hollow cavity successively directional fracture or/and the progressively distortion of taking advantage of a situation, all can extend the time of contact of vehicle and guardrail, reduce impact peak value, slowed down the suffered impact of errant vehicle, and the pliability of the first floor layer of thermoplastic material and the progressively distortion lodging of taking advantage of a situation, deformation stage in impact event, the enhancing skeleton of lodging is superimposed upon on beam slab with the form of leaf spring, can avoid guardrail fragmentation and component thereof to pierce through car body, jeopardize occupant.Improved the surface integral intensity of meeting to Vehicular impact, the plate spring structure that strengthens skeleton lodging stack adds the wherein damping action of layer of thermoplastic material, makes whole guardrail have bumper and absorbing shock function, can prevent that vehicle from passing through guardrail or toppling on guardrail.Ending phase in whole impact event, because the skin-friction coefficient of thermoplastic material is less, and with plate spring structure, provide higher-strength and shock-absorbing function in conjunction with the first floor and second floor of lodging, and the beam slab of guardrail board of the present invention, the first floor and the second floor can be grown and lay apart from free of discontinuities along the length direction extension of guardrail board, the connecting bolt grease head highness at installing hole place is lower than the first stacked floor of lodging and the design height of the second floor, be conducive to errant vehicle with less angle along the without hindrance derivation of taking advantage of a situation of guardrail, vehicle movement track is proofreaied and correct, allow it get back to traveling lane.
In guardrail board of the present invention, beam slab adopts heat-stabilized wood flitch or thermoplastic composite board, the first floor adopts thermoplastic composite board to make, the integral body of guardrail board has suitable intensity and rigidity, also there is certain pliability, can continuously produce the very long continual guardrail board of length, and guardrail board energy rolling rolling is so that transport and accomplish the long apart from laying of random length.Hollow guardrail plate of the present invention not only improves the safety of guardrail, can also improve the installation effectiveness of guardrail; Disposable the laying of long distance also reduced guardrail board connector, cost-saving.And the guardrail board of errant vehicle damage can on-the-spot be cut off, be changed, and the bare metal of cut-off part is coated anticorrosion, and with connector pad and connection.Hollow guardrail plate flexibility of the present invention is moderate, also facilitates guardrail setting and the installation in road knee.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the structural representation of the embodiment of the present invention 2;
Fig. 3 is the structural representation of the embodiment of the present invention 3;
Fig. 4 is the structural representation of the embodiment of the present invention 4;
Fig. 5 is the structural representation of the embodiment of the present invention 5;
Fig. 6 is the structural representation of the embodiment of the present invention 6;
Fig. 7 is the structural representation of embodiment of the present invention heat-stabilized wood flitch;
Fig. 8 is the structural representation of embodiment of the present invention thermoplastic composite board the first embodiment;
Fig. 9 is the structural representation of embodiment of the present invention thermoplastic composite board the second embodiment;
Figure 10 is the structural representation of the tree-like enhancing skeleton of the embodiment of the present invention.
The specific embodiment
For technical characterictic of the present invention, object and effect being had more clearly, understand, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
As shown in Fig. 1～10, a kind of hollow guardrail plate, comprise beam slab 100, at beam slab 100 plate faces, a plurality of and the first floors 200 beam slab 100 integrative-structures are set, described the first floor 200 is thermoplastic composite board, described beam slab 100 and the first floor 200 extend along the length direction of guardrail board, and hollow guardrail plate of the present invention is that beam slab 100 and the first floor 200 extend continuously in the same way and receive and make the sheet material of rolling up or cutting into piece.Between adjacent two the first floors 200, be provided with the second floor 300 that two the first floors 200 are coupled together, described the second floor 300 also extends and encloses and cover hollow cavity with the first floor 200, beam slab 100 along the length direction of guardrail board; Described beam slab 100, respectively do for oneself thermoplastic composite board or heat-stabilized wood flitch of the second floor 300 described in each.
Described thermoplastic composite board comprises enhancing skeleton, at described enhancing skeleton, be coated with layer of thermoplastic material, described layer of thermoplastic material is combined into one with strengthening skeleton gapless, and requires layer of thermoplastic material and the peel strength that strengthens skeleton to be greater than 75N/cm (at 20 ℃ ± 5 ℃).
The method of testing of described peel strength is:
A) layer of thermoplastic material to be scratched in the same direction to width be 15mm-25mm, more than long 120mm rectangular, should draw diathermanous moulding material and strengthen the mating face between skeleton, and lever up one end while scratching.
B) by Material Testing Machine to be less than or equal to the at the uniform velocity pull-up layer of thermoplastic material of speed vertical layer of thermoplastic material surface of 12mm/min, record dynamometer numerical value.By surveying the peel off width of the power value of time recording divided by layer of thermoplastic material, be peel strength, unit is N/cm.The layer of thermoplastic material of selecting in the present invention all has higher peel strength, and its peel strength is chosen as 80N/cm～90N/cm, more than even reaching 90N/cm.
Described beam slab 100 and the first floor extend along the length direction of 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 material layer, can give full play to the advantage of thermoplastic composite, in use there is higher intensity and toughness.In manufacture and installation process, not easily separated between layer of thermoplastic material, be convenient to rolling, uncoiling aligning and curved arc and lay, facilitated transportation, storage and installation.Hollow guardrail plate of the present invention, owing to uninterruptedly producing continuously, can be produced the guardrail board of random length, according to actual order, needs fixed length 4m routinely to cut off, also can rolling rolling, be convenient to transportation and on-the-spot laying.During on-the-spot laying, can need to lay rolling guardrail board uncoiling leveling or curved arc according to installing.According to < < expressway traffic safety facilities design and construction technical specification JTJ074-94 > >: guardrail minimum arranges length should not be less than 70m.The present invention mainly considers that guardrail is as the mass action of beam structure, preferably adopt the guardrail board of length, guardrail board length is longer, not only simplified installation connection procedure, also can make guardrail bring into play well whole structure as continuous beam, be conducive to errant vehicle with less angle along the without hindrance derivation of taking advantage of a situation of guardrail, extend the contact length of collision vehicle and guardrail board, thereby prolongation 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 arranges length, be not easy to bring into play the guide function of guardrail, increased the danger that errant vehicle bumps.
As shown in Fig. 1～6, the first floor 200 is arranged on the plate face of beam slab 100 and is structure as a whole with beam slab 100, integrative-structure has strengthened the bonding strength between beam slab 100 and the first floor 200, between adjacent two the first floors 200, be provided with the second floor 300 that two the first floors 200 are coupled together, described the second floor 300 also extends and encloses and cover hollow cavity with the first floor 200, beam slab 100 along the length direction of guardrail board, the first floor 200 and the second floor 300 are the important structure in guardrail board, the first floor 200 and the second floor 300 major functions are interceptions and vehicle impact are cushioned, first Vehicular impact contacts the first floor 200, the fracture of the hollow structure that the first lodging of the orientation by the first floor 200 and the second floor 300 form or/and take advantage of a situation is progressively out of shape, the first floor 200 after lodging and the second floor 300 are folded on the plate face of beam slab 100 with the form of similar leaf spring, make to meet the surface integral intensity raising to the guardrail board of Vehicular impact, the lodging iterative structure that strengthens the similar leaf spring of skeleton adds the wherein damping action of layer of thermoplastic material, make whole guardrail there is good bumper and absorbing shock function, can prevent that vehicle from passing through guardrail or toppling on guardrail.
The edge that described the first floor 200 is fixedly connected with beam slab 100 is bottom, the first floor 200 opposite side edges of bottom are top relatively, extend to top from bottom with straight line, broken line or camber line form on described the first floor 200 surfaces, described the first floor 200 arranges perpendicular to described beam slab 100, or described the first floor 200 is inclined on the plate face of described beam slab 100, and bottom inclination angle or the overall inclination angle of described the first floor 200 on beam slab 100 is not less than 70 °.
Described the first floor 200 intervals or cross arrangement, on the plate face of beam slab 100 1 sides, leave spacing between adjacent described the first floor 200 plate faces.So not only save material, reduce costs, the first floor 200 has also had larger lodging distance, can make full use of this distance vehicle is cushioned, and absorbs crash energy, reduces the injury to vehicle and personnel.Described the first floor 200 is along the longitudinal symmetry arrangement of beam slab 100, arrange in groups or the setting of arranging of spacing wave-shaped projection with respect to the installing hole 500 arranging on beam slab 100.Described the first floor 200 bottoms flush with beam slab frontside edge, or described the first floor 200 bottoms are slightly shorter than beam slab 100.
Because the first floor 200 has lodging to the requirement of the enterprising row buffering of beam slab 100 plate face, the first floor 200 preferably adopts with straight line, the form that broken line or camber line extend and there is the plank frame of certain overhang, the edge that described the first floor 200 is fixedly connected with beam slab 100 is bottom, the first floor 200 opposite side edges of bottom are top relatively, the overhang of the first floor 200 from the first floor 200 bottoms to the first floor 200 tops along straight line, the length of broken line or camber line, the overhang of the first floor 200 has determined the lodging distance of the first floor 200, the first larger floor 200 overhangs can have good cushioning effect, the overhang of the first floor 200, except meeting the requirement of lodging buffering, the design stack height of the first floor 100 after stacked of lodging also should be greater than the connecting bolt grease head highness at installing hole 500 places, to prevent the resistance that connecting bolt head slides along guardrail board vehicle, stumble.Difference in height by the degree of protection of guardrail and/or the first floor 200 from bottom to top is (as spacing wave-shaped projection is arranged while arranging, the setting of arranging of the first floor 200 spacing, its difference in height forms waveform projection), the thickness of described the first floor 200 and the first floor 200 from bottom to top along straight line, the ratio of the overhang of broken line or camber line is 1: 3～1: 25, the thickness of described the first floor 200 is measured to the central axis of bottom by the top perpendicular to described the first floor 200 on the cross section of the development length direction perpendicular to beam slab 100, according to the shape of the first floor, its central axis can be straight line, broken line or camber line.The overhang of the first floor 200 top along described the first floor 200 on the cross section of the development length direction perpendicular to beam slab 100 is measured to the central axis of bottom, and the overhang of common the first floor 200 is 80～120mm.
As shown in Fig. 1～6, the first floor 200 of plank frame can be selected flat board, arc, clapboard, sketch plate etc., so long as have the various plate shapes of platy structure, is all suitable for the present invention.Wherein the first floor 200 can be out of shape on the basis of slabbed construction.Can on the top of the first floor 200, be provided with flange 201 as shown in Figure 6, the thickness that flange 201 refers to the first floor 200 tops to both sides or a side is extended thickening top strengthens the impact resistance of the first floor 200.The another kind of mode that strengthens shock resistance and enhancing cushioning effect can adopt as shown in Figure 5, described the first floor 200 cross sections are the wedge shape that tip thickness is greater than bottom, in the first floor 200 of wedge shape, strengthen skeleton and depart from center setting, make to collide towards vehicle the layer of thermoplastic material thickening of direction, especially top is the thickest.Tip thickness is conducive to greatly shock resistance, and wedge shape can also guide the orientation lodging of the first floor 200, strengthens cushioning effect.
Described the first floor 200 arranges polylith on the plate face of beam slab 100 1 sides, the first floor 200 along guardrail board length direction (beam slab is longitudinal) and from described beam slab 100 to outer process interval or cross arrangement on the plate face of beam slab 100 1 sides, the arrangement mode of the first floor 200 is for along the longitudinal symmetry arrangement of beam slab 100, arrange in groups or the setting of arranging of spacing wave-shaped projection with respect to the installing hole 500 of setting on beam slab 100.
The arrangement mode of the first floor 200 is specially: the first floor 200 concentrated settings are arranged in groups or symmetry arrangement is arranged on beam slab 100 places of keeping to the side, both sides and arranges near beam slab 100 longitudinal center's axis or with respect to the installing hole 500 of longitudinal center's axis, also the first floor 200 laterally can be arranged with respect to many rows installing hole 500 or longitudinal axis with vertical central axis line parallel in groups at beam slab 100.In order to produce continuously preferably the first floor 200, along beam slab 100, longitudinally arrange in groups or longitudinally symmetry arrangement setting, longitudinally arrange and refer to that all the first floors 200 are all along the length direction longitudinal arrangement of beam slab 100, can parallel upright or be obliquely installed to same direction to the first floor 200 of longitudinal arrangement, also can to different directions, be obliquely installed respectively not parallel or in groups, even intersect, spacing between adjacent the first floor 200 can be identical, also can be different, preferably between the first floor 200, be arranged in parallel, and the spacing between the first floor 200 is identical.
The another kind of arrangement mode of the first floor 200 is symmetry arrangement, the first all floors 200 is symmetrical about first floor 200 longitudinal center's axis, can parallel upright between the first floor 200 of central axis one side or be obliquely installed, also can to different directions, be obliquely installed respectively not parallel or in groups to same direction, even intersect, spacing between adjacent the first floor 200 can be identical, also can be different, the present embodiment preferably be arranged in parallel between the first floor 200 of the central axis homonymy as shown in Fig. 1～6, and the spacing between the first floor 200 is identical.Also having a kind of arrangement mode is the setting of arranging of spacing wave-shaped projection, be about to the setting of arranging of the first floor 200 spacing, every the first floor 200 is different along the overhang of straight line, broken line or camber line from bottom to top, many stripe pitch are arranged, the top that the first different floor 200, the first floors 200 of overhang have difference in height forms waveform projection.As shown in Figure 1, 2, the first floor 200 is different and be spaced along the overhang of straight line from bottom to top, first floor 200 tops with difference in height form waveform projection, the first floor 200 of the present embodiment waveform projection arrangement mode is symmetrical arranged with respect to the installing hole 500 on longitudinal center's axis, the setting of arranging of the waveform projection that also can divide into groups with respect to the many rows installing hole 500 with vertical central axis line parallel.Or take longitudinal center's axis of beam slab 100 and become spacing wave-shaped projection as peak concentrated setting.
One deck, described the second floor 300 more than two-layer or two-layer are being set arbitrarily between two adjacent described the first floors 200, described the second floor 300 two ends are structure as a whole with two be connected the first floors 200 respectively, thereby described in adjacent two layers between the second floor 300, all leave respectively spacing between described the second floor 300 and described beam slab 100 and enclose the hollow cavity that covers sealing, the effect of the second floor 300 is the connections that strengthen between the first floor 200, forms the shock resistance that hollow cavity increases integrated guard rail plate.Described the second floor 300 is provided with disrumpent feelings mouthful of at least one place, and disrumpent feelings mouthful of operated by rotary motion is in the second floor 300 ends.The second floor 300 and the first floor 200 by the disrumpent feelings mouth at least one place default on one or more layers second floor 300 at least successively directional fracture absorb vehicle collision energy, and the first floor 200 successively lodge and the superimposed shock-absorbing capacity that increases by the first floor 200 of the second floor 300.The second floor 300 is tabular, can be flat board, arc, hollow sheeting sketch plate etc., can all pass through second floor 300 and be connected between two adjacent the first floors 200, also can be connected by a plurality of the second floors 300 that mutually leave spacing.Described the second floor 300 and the first floor 200 integrative-structures, strengthened the bonding strength of the two and facilitated disposable production.In the described hollow cavity forming, be filled with padded coaming or buffer gas between the first floor 200 and the second floor 300 and beam slab 100.Padded coaming can be the thermoplastic material of hollow cavity inwall or foamed plastics, the bipeltate that filled high polymer material adds blowing agent to obtain, or damping cotton etc., buffer gas is the gases such as the air of filling in hollow cavity, nitrogen, it has been hermetic during blanketing gas, requiring hollow cavity, and blanketing gas can be closed and not leak.Fill solid-state padded coaming just not high to the seal request of hollow cavity, as long as padded coaming can be sealed.
The thermoplastic composite board that the first floor 200 adopts as shown in Figure 8,9, described the second floor 300, beam slab 100 can adopt thermoplastic composite board as shown in Figure 8,9, also can adopt heat-stabilized wood flitch as shown in Figure 7.
As shown in Figure 7, the serve as reasons outside interior pliable and tough shock resistance of anti-aging wear-resisting overcoat 1, overcoat 1 and without the broken cushion coat 2 unseparated two-layer structure that is combined with each other of described heat-stabilized wood flitch; Or described heat-stabilized wood flitch is for only comprising pliable and tough shock resistance and without the single layer structure of broken cushion coat 2.
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 consider financial cost, are generally used for the cushion coat preferred thickness of road guard at 0.5cm～3cm.Also can select buffer layer thickness higher than 3cm.
Described overcoat 1 is made for the macromolecular material that is compounded in outside cushion coat and have an ageing resistace.Overcoat 1 Main Function is the protection to inner layer material, preferential solution is the easily problem of aging, wearing and tearing of whole guardrail board outermost material, therefore need select pliable and tough, anti abrasive base resin material, in base resin material, add the anti-aging materials such as antioxidant, light stabilizer, can also add antiseptic, Nano self-cleaning material keeps its hygiene, can also add the auxiliary material that improves rigidity and abrasion resistance.In the material of overcoat 1, also comprise eye-catching color matching attractive in appearance and embedded photoluminescent material.While needing, overcoat 1 also can comprise the material of reinforcing material surface impressionability.The thickness of overcoat is generally not thick, at 0.5～1mm.
When heat-stabilized wood flitch is selected the single layer structure that only has cushion coat, the position that is mainly used in not exposing, for example, in multilayer dowel, the dowel being sealed between outermost layer dowel and beam slab 100 just can not adopt overcoat, only needs buffering.In addition, in the cushion coat of individual layer, can add some anti-oxidant, high-abrasive materials, make itself also to there is anti-aging and wear-resisting character.
As shown in Figure 8,9, thermoplastic composite board comprises enhancing skeleton 4 and layer of thermoplastic material.Described enhancing skeleton 4 is that hot strength is longitudinal or/and transversely arranged forming far above at least one section bar of thermoplastic material.Described enhancing skeleton 4 is perpendicular to the plate face of beam slab 100, or strengthens skeleton 4 and be inclined on the plate face of described beam slab 100, and bottom inclination angle or the overall inclination angle of described enhancing skeleton on beam slab 100 is not less than 70 °.
Because thermoplastic composite board will have suitable mechanical strength and rigidity, strengthen skeleton 4 and in the whole plate body of thermoplastic composite board, play support, anti-collision effect, therefore, strengthen skeleton 4 and select modulus of elasticity to be greater than the section bar of the modulus of elasticity of layer of thermoplastic material, the object with certain geometrical shape that the techniques such as section bar refers to by rolling, extrudes, casting are made.The hot strength of described enhancing skeleton is 1: 10～1: 150 with the ratio of the hot strength of layer of thermoplastic material, any data within the scope of this can, just need to carry out for the material of different hot strengths the selection of thickness and shape.The hot strength that preferably strengthens skeleton is greater than 120MPa.Preferred tensile strength of the present invention 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 separately a kind of section bar, also can section bar collocation various shape is different, that material is different use together.
Enhancing skeleton 4 of the present invention is tabular, bar shaped, tubulose, linear or pencil, or described enhancing skeleton 4 is that tabular, strip or linear pressure tabled scarf or cross section cold rolling, that welding is combined into one are tree-like, or described enhancing skeleton 4 is that a plurality of section bars are arranged side by side or arranged with interval and the compound rear overall sectional of thermoplastic are tree-like structure, the tree structure that strengthens skeleton 4 is that a plurality of section bars obtain after compound by thermoplastic.As shown in figure 10, the edge of the enhancing skeleton 4 of tree structure is all provided with the edge of a wing 41 of outside turnover, two laminations each end folded or cold rolling, that weld compound enhancing skeleton 4 is extended with respectively the edge of a wing 41 to both sides, the effect on the edge of a wing 41 is to extend in adjacent beam slab 100 or flange, has strengthened overall structure.Tree structure shown in Figure 10 also a plurality of section bars is arranged side by side or arranged with interval, and the enhancing skeleton obtaining after compound by thermoplastic.A plurality of section bar arranged with intervals can be saved material, reduce costs and strengthen cushioning effect under the prerequisite of guaranteed strength.
Shape can select to have steel band, the steel wire of certain width, can also be the shaped steel (as garden type, square, angle steel, i iron, channel-section steel etc.), Guan Gang (as garden pipe, square tube, shape tube etc.) etc. of suitable depth or metallic fiber (as metal whiskers such as boron fibre and aluminium, titanium, calcium etc.); Organic and inorganic reinforcing profile comprises inorfil (as glass fiber, carbon fiber, whisker, quartz fibre, graphite fibre and ceramic fibre etc.) or section bar, organic fiber (as PAN fiber, polyethylene fibre, PA fiber, PC fiber, PVA fiber and polyester fiber etc.) or section bar, be preferably convenient to quantity-produced braiding laminated structure or strand fortifying fibre.
Described enhancing skeleton 4 can be the independent section bar of, can be also a plurality of section bar longitudinal arrangements, transversely arranged, or vertical and horizontal interlacing slabbing.When the shape of selection laminated structure or fortifying fibre section bar, can select an independent section bar as strengthening skeleton, and the width of the section bar of sheet and length and thermoplastic composite board width and length adapt, can narrow, too shortly have and support and shock proof effect.Other structure example of selecting the narrower independent bar shaped of distribution of width are during as round steel, steel wire, band steel, narrow steel strip, fortifying fibre, can be as required that section bar is parallel, vertical, intersect, be woven into the variety of ways such as sheet, strand and arrange to form and strengthen skeleton.
As shown in Figure 8,9, described layer of thermoplastic material is the unseparated three layer construction that is combined with each other, and is followed successively by from inside to outside to be bondingly attached to the setting course 3 strengthening on skeleton 4, pliable and tough shock resistance and without broken cushion coat 2 and anti-aging wear-resisting overcoat 1.
Described setting course 3 is resin of binding property material compatible with the materials chemistry characteristic that strengthens skeleton 4 and cushion coat 2 and mutual bonding.The selected resin of binding property material of setting course 3 has the effect of bonding simultaneously to strengthening the material of skeleton 4 and the macromolecular material of cushion coat 2, during setting course 3 selection, consider material and the character of cushion coat 2 and enhancing skeleton 4 simultaneously, the selection that strengthens skeleton 4 due to the present invention is metal, other inorganic material or organic material, cushion coat 2 is selected macromolecular material, setting course 3 is just selected metal, inorganic material and organic material, the multiple materials such as macromolecular material all have good adhesive property, and can with strengthen skeleton 4, the cushion coat 2 that macromolecular material is made closely bonds any material being combined with each other.For example cushion coat 2 adopts polyolefin (PO) class material, as polypropylene (PP) and linear polyethylene (LLDPE) blend, when enhancing skeleton 4 is chosen as steel band, setting course 3 can be selected polyethylene, also can select ethylene acrylic acid co polymer or other and the metal material completely compatible with TPO plastics, as shown in Figure 6, enhancing skeleton 4 for an independent shape or macromolecular material section bar, setting course 3 is just combined in the external surface of this shape or macromolecular material section bar, as shown in Figure 8, if the enhancing skeleton 4 of selecting multi-part type material permutation and combination to form, the surface of the section bar of each exposed appearance is combined with setting course 3.
Described cushion coat 2 is coated outside described setting course 3 and is made without broken macromolecular material by shock resistance.Cushion coat 2 is identical with cushion coat 2 materials in heat-stabilized wood flitch, does not repeat them here.
Described overcoat 1 is made for being compounded in cushion coat 2 macromolecular material outer and that have an ageing resistace.Overcoat 1 preferentially overcome material easily aging, wearing and tearing defect.Overcoat 1 is identical with overcoat 1 material in heat-stabilized wood flitch, does not repeat them here.
It is 10%～90% that the percentage by weight of described enhancing skeleton 4 in thermoplastic composite board varies in size by the hot strength that strengthens skeleton, setting course 3 thickness are 0.1～0.25mm, described cushion coat 2 thickness are 0.5cm～3cm, thickness much larger than setting course 3 and overcoat 1, described overcoat 1 thickness is for being greater than 0.8mm, and material thickness depends primarily on requirement of strength and functional requirement and the material therefor characteristic such as shock resistance flexibility, shock-resistant fragmentation of composite plate.
As shown in Fig. 1～6, beam slab 100 is generally connected with spaced obstruction block by installing hole 500, and obstruction block is connected to form guardrail with the column fixing on the ground.The effect of obstruction block is to prevent that the resistance that column slides along guardrail board vehicle from stumbling, and prevent the danger that produces cut after vehicle body and column bump against, or bounce-back causes serious consequence.Described beam slab 100 is platy structure, can be the various templates such as flat board, arc, hollow sheeting, sketch plate.
On described beam slab 100 and described the second floor 300, correspondence has installing hole 500, the beam slab 100 at installing hole place and described the second floor 300 can be thermoplastic composite boards, also can be heat-stabilized wood flitch, at least one in preferred described installing hole 500 place beam slabs 100 and the second floor 300 is that thermoplastic composite board and installing hole 500 are positioned on enhancing skeleton, and in described installing hole 500, the incision of the enhancing skeleton of corresponding corrosion susceptible materials is coated with layer of thermoplastic material.Installing hole 500 is arranged on the enhancing skeleton of thermoplastic composite board, to guarantee to protect the breast board of installation and the bonding strength of obstruction block, and can when whole column starts to lodge downwards, be that guardrail board and column depart to prevent that guardrail board from lodging with column, make errant vehicle go out guardrail.
In order to prevent that moisture from entering into the enhancing skeleton 4 corrosions damages that enhancing skeleton 4 causes corrosion susceptible materials to make in installing hole 500, while adopting the enhancing skeleton that corrosion susceptible materials makes, the otch that the correspondence of guardrail board in described installing hole 500 strengthens skeleton 4 is coated with layer of thermoplastic material, enhancing skeleton 4 is coated on completely to the inside of layer of thermoplastic material, prevents that its corrosion from damaging.
When described beam slab 100 is heat-stabilized wood flitch, in described heat-stabilized wood flitch, forms the outer field part of whole guardrail board and comprise anti-aging wear-resisting overcoat 1.Described overcoat and described thermoplastic material are the unseparated two-layer structure that is combined with each other, and have suitable pliability to absorb the collision energy of vehicle and to avoid fracture and fragmentation.Thermoplastic material plated construction is identical with the structure of the second floor 300, does not repeat them here.
Below enumerate several specific embodiment, by the setting of above-mentioned beam slab 100, the first floor 200, the second floor 300 with arrange and be specifically described:
Embodiment 1, in guardrail board as shown in Figure 1, beam slab 100 is flat heat-stabilized wood flitch, on the central axis of beam slab 100, interval has a plurality of installing holes 500, the first floor 200 arranges eight along beam slab 100 parallel longitudinals, wherein two are arranged on beam slab 100 both sides of the edge, other are uniformly distributed to beam slab 100 center positions successively, the bottom of the first floor 200 can be identical with the spacing between top for the width of the first floor 200, also can be different, and these eight the first floors 200 are symmetrical about beam slab 100 longitudinal center's axis, in the present embodiment, adopt the first floor 200 of different in width, in four the first floors 200 of central axis one side of beam slab 100, two middle the first floors 200 are wider than the width of the first floor 200 of both sides, this is the mode that a kind of waveform projection is arranged, be a plurality of the first floor 200 spaced and parallel settings, and a plurality of the first floors 200 from bottom to top overhang not identical, make the top of a plurality of the first floors 200 form waveform.The second floor 300, the second floors 300 that one deck is all set respectively between the first adjacent floor 200 are plank frame, and adjacent the first floor 200 is from first to last connected together.The second floor 300 is vertical or be basically perpendicular to the first floor 200, the second all floors 300 is identical with the spacing of beam slab 100, also can be different, in the present embodiment, the second floor 300 is at least positioned at the top of the first floor 200 in one end, by the space-closed between the first floor 200, form larger hollow cavity.The second floor 300 is dull and stereotyped.
The first floor 200 and the second floor 300 all adopt thermoplastic composite board, and the enhancing skeleton 4 in thermoplastic composite board adopts steel band.The first floor 200 is not independently connected separately mutually with the enhancing skeleton 4 in the second floor 300.
In embodiment 4, guardrail board as shown in Figure 4, described beam slab 100 is sketch plate, it is the structure that flat plate buckling forms at least one fin, beam slab 100 comprises fin portion and flat part, described the first floor 200 is arranged on fin portion both sides and is symmetrical arranged about beam slab 100 central axis, between the first floor 200 of fin portion both sides, be provided with the second floor 300, this second floor 300 connects the top of two the first floors 200.In the present embodiment, the second floor 300 is parallel with the flat part of beam slab 100, and the fin portion of beam slab 100 is symmetrical arranged a pair of about beam slab 100 central axis, in each fin portion both sides, first floor 200 is respectively set, four the first floors 200 are set on beam slab 100 altogether.The end face of fin portion is plane, the cross sectional shape of fin portion is untight square, the parallelogram in bottom surface, trapezoidal etc., the first corresponding floor 200 is consistent with fin portion form fit, between beam slab 100, the first floor 200 and the second floor 300, forms a hollow cavity that is similar to several fonts.Between two middle the first floors 200, be provided with second floor 300 of one deck, this second floor 300 arranges near beam slab 100.Beam slab 100 for fin portion be that thermoplastic composite board, flat part are the integrative-structures of heat-stabilized wood flitch, the first floor 200 and the second floor 300 are thermoplastic composite board.
Embodiment 5, guardrail board are as shown in Figure 5 two-layer hollow cavity structure, the beam slab 100 that comprises slabbed construction, on the central axis of beam slab 100, interval has a plurality of installing holes 500, beam slab 100 lopsidedness are provided with eight the first floors 200, described the first floor 200 is symmetrical arranged about the central axis of beam slab 100, four of central axis homonymy the first floors 200 all tilt to beam slab frontside edge, and angle of inclination can be identical, also can be different.Between two adjacent the first floors 200, being all provided with the second two-layer floor 300, the second floors 300 is also symmetrical arranged about the central axis of beam slab 100.Described the second floor 300 is parallel to beam slab 100, also can be not parallel to beam slab 100, first floor the second floor 300 near beam slab 100 in one's duty embodiment is all parallel to beam slab 100, the second floor 300 arranging on the first floor 200 tops is obliquely installed with respect to beam slab 100, incline direction can be identical, also can be different, in the present embodiment, the second floor 300 incline directions that arrange on the first floor 200 tops of beam slab 100 central axis homonymies are identical.The cross section of a plurality of the first floors 200 is wedge shape, in wedge shape, tip thickness is greater than bottom thickness, because the first floor 200 is obliquely installed, strengthen skeleton and depart from the layer of thermoplastic material thickening that center is arranged to face Vehicular impact direction, particularly thicken the also top of projection and be conducive to buffering energy-absorbing.
In the second floor 300, installing hole 500 tappings in the middle of only having adopt thermoplastic composite board, and all the other adopt heat-stabilized wood flitch.Beam slab 100, the first floor 200, the second floor 300 integrative-structures, disposal molding makes.
Embodiment 6, guardrail board are as shown in Figure 6 the improvement of carrying out on the basis of embodiment 1, beam slab 100 is slabbed construction, the first floor 200 arranges four perpendicular to beam slab 100 respectively, and the width of the first floor 200 is identical, one deck or two-layer the second floor 300 are set between the first floor 200, wherein between three adjacent the first floors 200, one deck the second floor 300 is set respectively, between another one the first floor 200 and adjacent the first floor 200, two-layer the second floor 300 is set.In the present embodiment, the first floor 200 adopts thermoplastic composite board, and beam slab 100 and the second floor 300 adopt heat-stabilized wood flitch.In the thermoplastic composite board that wherein the first floor 200 adopts, strengthening skeleton is that employing cross section is tree-like structure, in the present embodiment, adopt through cold rolling that two steel bands are pressed together to Formation cross-section is tree-shaped structure, the steel band edge separated bending to both sides respectively on the first floor 200 tops, steel band separated bending to both sides in the first floor 200 bottoms, to both sides separation, being bent to form the 41， edge of a wing, the edge of a wing 41 can turn down and enter in beam slab 100, the second floor 300.Beam slab 100, the first floor 200, the second floor 300 integrative-structures, disposal molding makes.
The top of the first floor 200 is provided with flange 201, and flange 201 extends to the both sides of the first floor 200 respectively and obtains and parallel with beam slab 100, and when the second floor 300 is arranged on the top of the first floor 200, flange 201 and the second floor 300 coincide together.The dual-side that strengthens skeleton 4 is all provided with the edge of a wing 41 turning down to both sides respectively, the edge of a wing 41 of the enhancing skeleton 4 on the first floor 200 tops is separately positioned on the both sides of flange 201, and the edge of a wing 41 of the enhancing skeleton 4 of the first floor 200 bottoms is respectively to the beam slab 100 of both sides or/and turnover in the second floor 300.
Claims (14)
1. a hollow guardrail plate, it is characterized in that, comprise beam slab, a plurality of and the first floor beam slab integrative-structure is set on the plate face of beam slab, described beam slab and the first floor extend along the length direction of guardrail board, between adjacent two the first floors, be provided with the second floor that two the first floors are coupled together, described the second floor is provided with disrumpent feelings mouthful of at least one place, make the second floor successively directional fracture to absorb energy, the first floor successively lodges superimposed, described the second floor also along the length direction of guardrail board extend and with the first floor, beam slab encloses and covers hollow cavity,
Described beam slab and described the first floor are all extend continuously in the same way and receive and make the sheet material of rolling up or cutting into piece, and described the first floor is thermoplastic composite board, and described beam slab, described in each, the second floor is thermoplastic composite board or heat-stabilized wood flitch separately; Described thermoplastic composite board comprises enhancing skeleton, at described enhancing skeleton, is coated with layer of thermoplastic material.
2. hollow guardrail plate according to claim 1, it is characterized in that, the edge that described the first floor is fixedly connected with beam slab is bottom, the first floor opposite side edge of bottom is top relatively, extend to top from bottom with straight line, broken line or camber line form on described the first floor surface, and bottom inclination angle or the overall inclination angle of described the first floor on beam slab is not less than 70 °.
3. hollow guardrail plate according to claim 1, is characterized in that, the top of described the first floor is provided with flange, or described the first floor cross section is the wedge shape that tip thickness is greater than bottom thickness.
4. hollow guardrail plate according to claim 1, it is characterized in that, press degree of protection and/or the difference in height of the first floor from bottom to top of guardrail, the minimum thickness of described the first floor and the first floor ratio along the overhang of straight line, broken line or camber line from bottom to top is 1: 3～1: 25, the thickness of described the first floor is measured along the vertical direction of axis on its cross section, and the overhang of described the first floor is measured according to the length direction of axis on its cross section.
5. hollow guardrail plate according to claim 1, is characterized in that, described the first floor is along the longitudinal symmetry arrangement of beam slab, arrange in groups or the setting of arranging of waveform projection with respect to the installing hole arranging on beam slab.
6. hollow guardrail plate according to claim 1, it is characterized in that, one deck, described the second floor more than two-layer or two-layer are being set arbitrarily between two adjacent described the first floors, described the second floor two ends are structure as a whole with two be connected the first floors respectively, thereby described in adjacent two layers between the second floor, all leave respectively spacing between described the second floor and described beam slab and enclose the hollow cavity that covers sealing.
7. hollow guardrail plate according to claim 6, is characterized in that, is filled with padded coaming or buffer gas in described hollow cavity.
8. according to the hollow guardrail plate described in claim 1～7 any one, it is characterized in that serve as reasons in outside anti-aging wear-resisting overcoat, the overcoat pliable and tough shock resistance and without the broken cushion coat unseparated two-layer structure that is combined with each other of described heat-stabilized wood flitch; Or described heat-stabilized wood flitch is for only comprising pliable and tough shock resistance and without the single layer structure of broken cushion coat.
9. according to the hollow guardrail plate described in claim 1～7 any one, it is characterized in that, the layer of thermoplastic material of described thermoplastic composite board is the unseparated three layer construction that is combined with each other, and is followed successively by from inside to outside to be bondingly attached to the setting course strengthening on skeleton, pliable and tough shock resistance and without broken cushion coat and anti-aging wear-resisting overcoat.
10. hollow guardrail plate according to claim 9, is characterized in that, described setting course is resin of binding property material compatible with the chemical characteristic that strengthens skeleton and cushion coat and mutual bonding; Outside the coated described setting course of described cushion coat and by pliable and tough and impact, without broken macromolecular material, make; Described overcoat is to be compounded in cushion coat macromolecular material outer and that have an ageing resistace to make.
11. according to the hollow guardrail plate described in claim 1～7 any one, it is characterized in that, described enhancing skeleton is tabular, bar shaped, tubulose, linear or pencil, or described enhancing skeleton is that tabular, strip or linear pressure tabled scarf or cross section cold rolling, that welding is combined into one are tree-like; Or described enhancing skeleton is that a plurality of section bars are arranged side by side or arranged with interval and the compound rear overall sectional of thermoplastic are tree-like structure.
12. according to the hollow guardrail plate described in claim 1～7 any one, it is characterized in that, between the layer of thermoplastic material of described thermoplastic composite board and enhancing skeleton, gapless is combined into one, and under 20 ℃ ± 5 ℃ conditions, the peel strength strengthening between skeleton and layer of thermoplastic material is greater than 75N/cm.
13. according to the hollow guardrail plate described in claim 1～7 any one, it is characterized in that, described beam slab can be at least one template in flat board, arc, hollow sheeting, sketch plate.
14. according to the hollow guardrail plate described in claim 1～7 any one, it is characterized in that, on described beam slab and described the second floor, correspondence has installing hole, at least one in described installing hole place beam slab and the second floor be thermoplastic composite board and mounting hole site in strengthening on skeleton, in described installing hole, the incision of the enhancing skeleton of corresponding corrosion susceptible materials is coated with layer of thermoplastic material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210017550.5A CN102535368B (en) | 2012-01-19 | 2012-01-19 | Hollow guardrail plate |
| PCT/CN2012/083768 WO2013107202A1 (en) | 2012-01-19 | 2012-10-30 | Hollow guiderail panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210017550.5A CN102535368B (en) | 2012-01-19 | 2012-01-19 | Hollow guardrail plate |
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| CN102535368A CN102535368A (en) | 2012-07-04 |
| CN102535368B true CN102535368B (en) | 2014-03-12 |
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| CN201210017550.5A Active CN102535368B (en) | 2012-01-19 | 2012-01-19 | Hollow guardrail plate |
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| WO (1) | WO2013107202A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535368B (en) * | 2012-01-19 | 2014-03-12 | 湖南金鸿科技工业股份有限公司 | Hollow guardrail plate |
| CN102897123B (en) * | 2012-09-26 | 2014-10-22 | 桐乡市小老板特种塑料制品有限公司 | Device for buffering striking force |
| CN106758931A (en) * | 2017-03-03 | 2017-05-31 | 河南东海复合材料有限公司 | A kind of detachable anti-fall fiberglass conical warning bucket |
| CN112227011B (en) * | 2019-06-28 | 2023-08-18 | 青岛海尔洗涤电器有限公司 | Control panel and clothes treatment equipment |
| CN110344718A (en) * | 2019-07-17 | 2019-10-18 | 欧阳东飞 | A kind of plane Multi-cavity section bar structure improving overall load |
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| Publication number | Publication date |
|---|---|
| WO2013107202A1 (en) | 2013-07-25 |
| CN102535368A (en) | 2012-07-04 |
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