CN202368695U - Light-weight platform semitrailer body - Google Patents
Light-weight platform semitrailer body Download PDFInfo
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- CN202368695U CN202368695U CN 201120365418 CN201120365418U CN202368695U CN 202368695 U CN202368695 U CN 202368695U CN 201120365418 CN201120365418 CN 201120365418 CN 201120365418 U CN201120365418 U CN 201120365418U CN 202368695 U CN202368695 U CN 202368695U
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Abstract
The utility model relates to a platform semitrailer body, which comprises a bearing shell, a base plate and a support beam, wherein the shell is adhered to the lower surface of the base plate and form a box shape structure with the base plate; and the support beam is arranged in the box shape structure and is connected with the shell and the base plate. According to the platform semitrailer body, the weight of the body is effectively lightened due to the structure and the materials; the body is formed integrally, so that the connection of each part is good, the maintenance times can be obviously reduced, and the service life is prolonged; and the body adopts polymer composites, which can be effectively resistant to corrosion, and have better resistant activities to actions of acid, alkali, salt, most organic matters and microorganisms.
Description
Technical field
The utility model relates to a kind of flat bed trailer car body, is specifically related to a kind of lightweight flat bed trailer car body.
Background technology
Existing flat bed trailer all is a steel generally, is made up of parts such as base plate, vehicle frame, suspension and wheel sets.Wherein vehicle frame is the framed structure that constitutes greater than large size I-beam section longeron and several crossbeam of base plate length overall by two, and needed load-carrying capacity of car load and rigidity are provided, and is as shown in Figure 1.Its shortcoming is that the vehicle frame own wt is very big, and the consumption steel are many will to account for 25% of complete vehicle weight.
Fiber reinforced composite are a kind of rapidly new materials of development in recent years, are made up of matrix resin and fabric reinforcement usually, and the method for preparation also is multiple, as vacuum-assisted resin transfer moulding technology (VARTM), etc.Because the high specific strength and the stiffness-to-density ratio of fiber reinforced composite; Be widely used in the engineering field; Also be applied to the manufacturing field of lightweight automobile, disclose a kind of method of using fiber composite materials to make automobile panel like Chinese patent ZL 200510029570.4, though this automobile panel has the weight-saving effect; But this composite panel can only can not be as load-carrying construction spare as cover panel; And inner and outer plates and core adopt the form of glueing joint, and have increased the manufacturing link, and the production cycle is long.
The utility model content
For overcoming existing overweight, the consumption of fuel class-one defect of flat bed trailer car body, the purpose of the utility model provides a kind of weight-saving flat bed trailer car body.
Said flat bed trailer car body comprises load-bearing housing, base plate and support beam, and said case bonding forms box like structure at the lower surface and the said base plate of said base plate, and said support beam is positioned at said box-packed structure and connects said housing and base plate.
Said support beam is provided with along said length over ends of body direction, is positioned at the center of said box like structure, and the end face of its both ends of the surface and said housing fits.
Said car body adopts fiber reinforced composite, and its thickness is 5～50mm, preferred 5～20mm.
The box like structure of said car body is a cuboid, in order to adapt to the shape of headstock, also can change accordingly near the car body end face of headstock, is generally the inclined-plane.That is to say, can be oblong along the cross sectional shape of length over ends of body direction, also can be for trapezoidal, as shown in Figure 2.
Said car body saves two longerons of traditional vehicle body frame, has reduced car weight, relies on load-bearing housing and support beam wherein to bear the load-carrying capacity of car load.The degree of depth of said housing has directly determined the ability that vehicle body is resisted stress deformation, the just size of rigidity with the support depth of beam.
Normal in the prior art through the analysis of SME (rigidity value that unit mass had) being judged weight-saving effect (Liu Xiaodong, the lightweight of motorcoach body structure is analyzed, Chang An University, master thesis).The SME value is big more, and it is light more to satisfy the needed material of same stiffness, and the weight-saving effect is good more.Cross section property has influence to bending stiffness and torsional stiffness.Crooked SME computing formula by the rectangular thin-wall rod member draws: during light-weight design, increase wall thickness, bending stiffness and quality all increase, but SME does not have significant change; Increase depth of section h, bending stiffness obviously increases, and the SME value increases, and the lightweight effect is relatively good; Increase section width, SME does not have significant change, does not consider during lightweight.The SME computing formula of reversing by the rectangular thin-wall rod member draws: increase height h and width b, reverse the SME value and all can obviously increase, it doesn't matter with wall thickness.When coming lightweight from satisfying torsional stiffness, the height and the width of increasing section get final product, and need not consider wall thickness.Take all factors into consideration, increase h, can significantly improve the bending stiffness and the torsional stiffness of parts.
In the said technical scheme of the utility model, increase housing height h, can significantly improve its bending stiffness and torsional stiffness.When confirming the height of the said load-bearing housing of the utility model; Can utilize the steel car body of the equal load carrying ability of finite element analysis software analysis earlier; Draw the ess-strain cloud atlas; Again according to the performance of lightweight material, according to the anti-height h that confirms the load-bearing housing that pushes away of the ess-strain cloud atlas of steel car body, usually a little more than steel car body car depth of beam.Like common 13.6 meters, the slab-thickness of 40 tons of flat trucks of load-carrying is 2mm, and large size I-beam section longeron height is 490mm, corresponding compound material housing superimposed trailer, and the housing height is a little more than 490mm, about about 550-600mm.
Said fiber reinforced composite comprise resin matrix and fabric, and said fabric is high-strength carbon fiber, fibrous glass or assorted fibre, and preferred large-tow carbon fiber further is preferably greater than the large-tow carbon fiber that equals 48K; Said resin is unsaturated polyester (UP), vinylite, epoxy resin, phenol resin or acrylate resin.
Large-tow carbon fiber has that price is low, the source easily, generally all more than 3500Mpa, tensile modulus of elasticity is 200-230GPa to tensile strength, performance is suitable with the 12K carbon fiber.But carbon fiber costs an arm and a leg usually, if consider productive costs control, then can adopt fibrous glass or fibrous glass doping large-tow carbon fiber.
The fiber-reinforced composite material board top that is used for said base plate is stained with wearing layer, and said wearing layer is a kind of in polydicyclopentadiene, aramid fiber reinforced composite, the superhigh molecular weight polyethylene fibers reinforced composite.The thickness of said wearing layer can be confirmed its thickness according to needed wear-resisting, impact resistance, is generally 5-10mm.
The fiber reinforced composite bottom that is used for said base plate is provided with many reinforced ribs along cross-car and/or longitudinal direction; Preferred said reinforced rib evenly is provided with along cross-car or longitudinal direction, and the spacing of adjacent two reinforced ribs is 100～1000mm.
Specifically; Said reinforced rib can be the uniform array type along the same direction of base plate and arrange; Also can be that reinforced rib is surrounded the rectangle frame that one or more layers successively surrounds on base plate, the rectangle frame of outermost overlaps with bottom edge, can also above-mentioned dual mode be combined; For example the rectangle frame that one reinforced rib is formed, evenly distributed some reinforced ribs or the like in rectangle frame are set at bottom edge.
Said reinforced rib is that fiber reinforced composite are through pultrusion or draw and twine technological forming and make; The cross section of said reinforced rib is " worker " type, " X " type, " mouth " type or " O " type.The fiber reinforced composite here can be consistent with the material of car body, also can use the fiber reinforced composite that any rigidity is high in the prior art, bearing is good.
The fibers form of the fiber reinforced composite in the said car body in load-bearing housing and the base plate is a single shaft to, twin shaft to, the multiaxis prepreg to, plain weave, twill, satin fabric or said fabric.
Fibers form in the said car body in the support beam is a Chopped fiber.
The shape of cross section of said support beam is " I " type, " X " type, " W " type or " Y " type.The support depth of beam changes with the height change of housing.
The described car body outside face of above-mentioned each technical scheme also is coated with the thick fiber reinforced composite of one deck 0.5～1.0mm; Said fiber is carbon fiber, fibrous glass or assorted fibre, and preferred large-tow carbon fiber further is preferably greater than the big bunch fiber that equals 48K.
The car body outside coats one deck fiber reinforced composite later on again in moulding; Can remedy and depend merely on the not enough shortcoming of the resin-bonded bond strength that possibly bring; Play reinforced cementitious effect in the junction of each parts, simultaneously, can also obviously reduce car body worn-down speed.
The preparation method of the flat bed trailer car body that the utility model relates to is: prepare load-bearing housing, base plate and support beam at first separately; Carry out bonding formation body construction with resin then; Coat the fabric after soaking into resin on said body construction surface again, the moulding that is heating and curing, or at the surperficial covered fiber Fabric prereg of said body construction, the moulding that is heating and curing gets said car body.
Said car body moulding adopts common hand to stick with paste technology, VARTM, RTM or mould pressing process.
Vacuum bag moulding, VARTM, RTM or mould pressing process are adopted in the preparation of said load-bearing housing and base plate; Pouring forming technology is adopted in the preparation of said support beam.
The preparation method of said load-bearing housing is: lay earlier fiber in mould, add the resin moulding that is heating and curing again and make.
The preparation method of said base plate is: use earlier the RIM technological forming to prepare the polydicyclopentadiene resin plate, put it in the mould again, on said resin board, lay fiber then, add the resin moulding that is heating and curing at last and make.
The preparation method of said base plate also is included in and lays reinforced rib on the fiber.
The preparation method of said support beam is: to mould, the casting resin moulding that is heating and curing makes with fiber filled.
Above-mentioned forming process all can adopt existing technology, promptly gets according to technological condition such as the different suitably adjustment forming pressures of lamination coating and resin matrix, temperature.
The structure of the said lightweight flat bed trailer of the utility model car body adopts box-like integral structure, has changed the body construction of existing flat bed trailer, has saved original body frame structure for automotive, makes it have higher antitorque commentaries on classics, bending resistance and load-carrying capacity.Car body materials adopts weight-saving fiber reinforced composite more, and its rigidity and weight capacity are suitable with the steel superimposed trailer even more excellent.Base plate top has increased wear-resisting, impact-resistant material layers such as polydicyclopentadiene, aramid fiber reinforced composite; With respect to general automobile-used fiber reinforced composite; Can use at the car body bearing part; Enlarge the application of fiber reinforced composite on car body, made car body all can realize lightweight, reduced car body weight effectively.
The said car body of the utility model all effectively alleviates car body weight from structure and material, but loss of weight 30%-50% generally speaking saves 8～15% consumption of fuel, and the tractive force that needs decreases 15～40%, has increased the continuation of the journey mileage.In addition; Because car body adopts the integral method moulding, manufacturing process is easy, and the connectivity of car body various piece is good; Can obviously reduce frequency of maintenance and increase service life; Car body adopts polymer composite, can effectively tolerate corrosion than metal material, and acid, alkali, salt, most of organic matter and action of microorganisms are all had good resistivity.The preparation method of the said car body of the utility model can adopt existing forming process, and technological condition is easy, the suitability for mass industrialized application.
Description of drawings
Fig. 1 is the structural representation of prior art middle plateform superimposed trailer car body;
Fig. 2 is the structural representation of the said flat bed trailer car body of the utility model;
Fig. 3 is the structure transparent view of the said flat bed trailer car body of the utility model;
Fig. 4 is the exploded drawings of each component part of the said flat bed trailer car body of the utility model;
Fig. 5 is the schematic cross-sectional view of the said flat bed trailer hull bottom plate of the utility model;
Among the figure: 1, load-bearing housing; 2, base plate; 3, support beam; 21, the composite laminated plate of base plate; 22, reinforced rib.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further, and following examples also are used to explain the utility model, but are not used for limiting the scope of the utility model.
With 13.6 meters long, 2.6 meters wide, load-carrying is that the flat bed trailer in 40 villages is a model, and the described lightweight flat bed trailer of the utility model car body is different with traditional flat bed trailer body construction as shown in Figure 1, has saved large size I-beam section vehicle frame.
Lightweight flat bed trailer car body as shown in Figure 3 comprises load-bearing housing 1, base plate 2 and support beam 3.Wherein, base plate 2 is a slab construction, and load-bearing housing 1 is a rectangular structure, is that isosceles are trapezoidal along the cross section of cross-car.Be to increase bonded assembly stability between load-bearing housing 1 and the base plate 2, load-bearing housing 1 is provided with 1/10th to 1/5th border area of about width over sides of car body, is used for boning with base plate 2.Load-bearing housing 1 is along car body longitudinally in two end faces; Be arranged to the inclined-plane form near the end face of headstock; The bevelled angle is as the criterion with the shape that adapts to headstock, is set to the form of facing directly perpendicular to base plate 2 near the end face of the tailstock, housing 1 along car body longitudinally the cross section be that a right angle is trapezoidal.
When forming car body; Housing 1 is bonded in the lower surface of base plate 2 and forms the box like structure of a cuboid with said base plate 2, and support beam 3 is arranged on box like structure inside, the bonding base plate 2 in top; Bottom bonding housing 1; Support beam 3 is a longeron, along the length direction setting of car body, and the bonding applying of end face of the both ends of the surface of support beam and housing 1.
Embodiment 1
With 13.6 meters long, 2.6 meters wide, load-carrying is that the flat bed trailer in 40 villages is a model, and existing steel plateform superimposed trailer weight is about 4 villages.
Lamination coating employing large-tow carbon fiber in the fiber-reinforced composite material board (>=48K), resin is an epoxy resin.
(1) adopt VARTM technological forming housing 1, concrete preparation method is: be provided with the metal die of heating arrangement, spraying HD-918-V mold release (the permanent chemical industry Co., Ltd in east, Shanghai is produced); Respectively with 0 ° ,+circulation of 45 ° ,-45 °, 90 ° angle lays the large-tow carbon fiber one-way fabric, it is thick to lay about 8-10mm, wraps up entire die with vacuum bag; Along mosaic seal, an end of mould vacuumizes in mold side, under 0.05～0.07MPa pressurize 3-5 minute; Import epoxy resin adhesive liquid from the other end again; Be heating and curing, the condition of curing is: temperature, 170 ℃; Time, 2h.After solidifying end, reduce to room temperature, the demoulding is taken out and is promptly made housing 1, and the height of housing is 600mm.
(2) base plate 2 is as shown in Figure 5; Adopt large-tow carbon fiber and epoxy resin to make 7mm * 7mm * 1mm (length * wide * wall thickness) the square tube reinforced rib 22 of cross section earlier for " mouth " type through pultrude process; And cut into base plate 13.6 meters of length longitudinally, and use the RIM technological forming to go out the thick polydicyclopentadiene sheet material of 6mm then, on the polydicyclopentadiene plate, lay the thick large-tow carbon fiber one-way fabric cambium layer plywood 21 of thick aramid fiber bias fabric of 1mm and 1mm more respectively; It is thick at last vertically to lay one deck reinforced rib 22 to 15mm at the laminated wood 21 upper edge car bodies of its uncured; Adjacent reinforced rib is 700mm at interval, adopts mould pressing process, it is positioned over carries out hot-press solidifying on the hot press; The condition of solidifying is: pressure, 0.6MPa; Temperature, 170 ℃; Time, 2h.After solidifying end, reduce to room temperature, the demoulding is taken out and is promptly obtained base plate 2.
(3) support beam 3 is selected " worker " type for use, and poured with epoxy resin to being filled with short cutting in " worker " type variable section composite die of large-tow carbon fiber, is heating and curing, and the condition of curing is: temperature, 170 ℃; Time, 2h.After solidifying end, reduce to room temperature, the beam 3 that is supported, the about 10mm of the wall thickness of support beam are taken out in die sinking.
(4) housing 1, base plate 2 and the support beam 3 with forming uses epoxy bond to form body construction, around car body, wraps up the thick large-tow carbon fiber preimpregnation cloth of 0.5mm again, with the vacuum bag parcel, vacuumizes then, is heated and cured into box-like integral structure.The condition of solidifying is: 170 ℃ of temperature; Time 2.5h.
The density that epoxy resin strengthens the large-tow carbon fiber composite material is 1.6-1.8g/cm
3, be about 1/4 of steel density, tensile strength reaches 1600～2100MPa, for the 2-3 of steel tensile strength (720Mpa) doubly, yet modulus of elasticity is 110～120GPa, is about the half the of steel bomb property modulus (210Gpa).Compare with steel superimposed trailer of the same type, under identical load-carrying, cargo area and rigidity, embodiment 1 body construction and material chosen can losss of weight 1.8 tons, save 15% fuel, and the tractive force that needs decreases 35%.
Embodiment 2
With 13.6 meters long, 2.6 meters wide, load-carrying is that 40 tons flat bed trailer is a model, and existing steel plateform superimposed trailer weight is about 4 tons.
Lamination coating in the fiber-reinforced composite material board adopt large-tow carbon fiber (>=48K) and fibrous glass, resin is a unsaturated polyester (UP).
(1) adopts vacuum bag technological forming housing 1, be provided with heating arrangement, metal die; Spraying HD-918-V mold release, respectively with 0 ° ,+30 ° ,-30 °, 90 ° angle alternate cycles lays unidirectional preimpregnation fabric of large-tow carbon fiber and the unidirectional preimpregnation fabric of fibrous glass, it is thick to lay about 12-15mm; Wrap up entire die with vacuum bag, along mosaic seal, vacuumize in mold side; 0.05 under～the 0.09MPa pressurize 3-5 minute, be heating and curing, the condition of curing is: 110 ℃ of temperature; Time 1.5h.After solidifying end, reduce to room temperature, the demoulding is taken out and is promptly made housing 1, and the height of housing is 550mm.
(2) base plate 2 is as shown in Figure 5; Adopt large-tow carbon fiber and unsaturated polyester (UP) to make the reinforced rib 22 of cross section earlier for " worker " type, the wide 8mm abdominal depth of high 10mm leg 2mm through pultrude process; And it is long to cut into 13600mm and 2584mm; Use the RIM technological forming to go out the thick polydicyclopentadiene sheet material of 6mm then, on the polydicyclopentadiene plate, lay the thick multiaxis of 2mm then respectively to kevlar fabric and the thick large-tow carbon fiber one-way fabric of 2mm, it is thick evenly to lay one deck reinforced rib 22 to 20mm in the laminated wood 21 upper edge car body vertical and horizontal directions of its uncured at last; Said reinforced rib forms a rectangle frame; With the coincident of base plate, adopt mould pressing process, it is positioned over carries out hot-press solidifying on the hot press.Cure condition is: pressure, 0.3MPa; 110 ℃ of temperature; Time 1.5h.After solidifying end, reduce to room temperature, the demoulding is taken out and is promptly obtained base plate 2.
(3) support beam 3 is selected " X " type for use, unsaturated polyester (UP) is poured into is filled with short cutting in " X " type variable section composite die of large-tow carbon fiber and short glass fiber, is heating and curing, and the condition of curing is: 110 ℃ of temperature; Time 1.5h.After solidifying end, reduce to room temperature, the beam 3 that is supported, the about 12mm of the wall thickness of support beam 3 are taken out in die sinking.
(4) housing 1 of forming, base plate 2 and support beam 3 are used the unsaturated polyester (UP)s formation body construction that bonds; Around car body, wrap up the thick prepreg of fibrous glass drill weave in unsaturated polyester (UP) of 0.5mm again; Wrap up with vacuum bag then; Vacuumize, be heated and cured into box-like integral structure.The condition of solidifying is: 110 ℃ of temperature; Time 3h.
The density that unsaturated polyester (UP) strengthens large-tow carbon fiber, fibrous glass hybrid composite is 1.7-1.9g/cm
3, be about 1/4 of steel density, tensile strength reaches 1400～1800MPa, for the 2-2.5 of steel tensile strength (720Mpa) doubly, yet modulus of elasticity is 80～100GPa, is about the half the of steel bomb property modulus (210Gpa).
Compare with steel superimposed trailer of the same type, under identical load-carrying, cargo area and rigidity, this full composite material body structure and material chosen can losss of weight 1.6 tons, save 12% fuel, and the tractive force that needs decreases 25%.
Embodiment 3
With 13.6 meters long, 2.6 meters wide, load-carrying is that 40 tons flat bed trailer is a model, and existing steel plateform superimposed trailer weight is about 4 tons.
Lamination coating in the fiber-reinforced composite material board adopts fibrous glass, and resin is a vinylite.
(1) adopts RTM technological forming housing 1, be provided with the metal die of heating arrangement, spraying HD-918-V mold release; Lay compound glass fiber inclined pattern fabric, it is thick to lay about 15-20mm, the mosaic seal at the former edge; With yin, yang mould matched moulds sealing, with vacuumize in its die cavity (0.05～0.09MPa), under the negative pressure pressurize 3-5 minute; Import the vinylite glue from the other end again, the condition of curing is: temperature, 130 ℃; Time, 1h.After solidifying end, reduce to room temperature, die sinking is taken out and is promptly made housing 1, and the height of housing is 560mm.
(2) base plate is as shown in Figure 5; Adopt large-tow carbon fiber and vinylite to make the cross section earlier and be " X " type, the wide 10mm abdominal depth of high 12mm 3mm reinforced rib 22 through conventional pultrude process; And cut into 2.6 meters long; Use the RIM technological forming to go out the thick polydicyclopentadiene sheet material of 8mm then, on the polydicyclopentadiene plate, lay thick aramid fiber bias fabric of 3mm and the thick fibrous glass bias fabric of 2mm then respectively, it is thick evenly to lay one deck reinforced rib 22 to 25mm in the laminated wood 21 upper edge cross-car directions of its uncured at last; Adjacent reinforced rib is 500mm at interval; Reinforced rib is arranged along the overall width direction and is provided with, and mould pressing process is adopted in the group back, is positioned over and carries out hot-press solidifying on the hot press.Cure condition is: pressure, 0.4MPa; Temperature, 130 ℃; Time, 1h.After solidifying end, reduce to room temperature, the demoulding is taken out and is promptly obtained base plate 2.
(3) support beam 3 is selected " W " type for use, and vinylite is poured in " W " type variable section composite die that is filled with short glass fiber, is heating and curing, and the condition of curing is: temperature, 130 ℃; Time, 1h.After solidifying end, reduce to room temperature, the beam 3 that is supported, the about 15mm of the wall thickness of support beam 3 are taken out in die sinking.
(4) housing 1 of forming, base plate 2 and support beam 3 are used the vinylites formation body construction that bonds; Around car body, wrap up the thick fibrous glass twill preimpregnation cloth of 1.0mm again; With the vacuum bag parcel, vacuumize then, be heated and cured into box-like integral structure.The condition of solidifying is: temperature, 130 ℃; Time, 2h.
The density of vinylite reinforcing glass fiber composite materials is 1.8-2.0g/cm
3, be about 1/4 of steel density, tensile strength reaches 1200～1600MPa, for the 1.6-2.3 of steel tensile strength (720Mpa) doubly, yet modulus of elasticity is 50～80GPa, is about 1/3 of steel bomb property modulus (210Gpa).
Compare with steel superimposed trailer of the same type, under identical load-carrying, cargo area and rigidity, this full composite material body structure and material chosen can losss of weight 1.3 tons, save 9% fuel, and the tractive force that needs decreases 18%.
Though used general explanation, the specific embodiment and experiment in the preceding text, the utility model has been done detailed description, on the utility model basis, can to some modifications of do or improvement, this will be apparent to those skilled in the art.Therefore, these modifications or the improvement on the basis of not departing from the utility model spirit, made all belong to the scope that the utility model requirement is protected.
Claims (10)
1. lightweight flat bed trailer car body; It is characterized in that; Comprise load-bearing housing (1), base plate (2) and support beam (3); Lower surface and said base plate (2) that said housing (1) is bonded in said base plate (2) form box like structure, and said support beam (3) is positioned at said box like structure and connects said housing (1) and base plate (2).
2. flat bed trailer car body according to claim 1 is characterized in that, said support beam (3) is provided with along said length over ends of body direction, is positioned at the center of said box like structure, and the end face of its both ends of the surface and said housing (1) fits.
3. flat bed trailer car body according to claim 2 is characterized in that, said car body adopts fiber reinforced composite, and its thickness is 5～50mm; Said fiber reinforced composite are by the moulding that is heating and curing of resin matrix and fabric; Said fabric is carbon fiber, fibrous glass or assorted fibre; Said resin is unsaturated polyester (UP), vinylite, epoxy resin, phenol resin or acrylate resin.
4. flat bed trailer car body according to claim 3 is characterized in that, the thickness of said car body is 5～20mm.
5. flat bed trailer car body according to claim 3 is characterized in that, said carbon fiber is the large-tow carbon fiber more than or equal to 48K.
6. flat bed trailer car body according to claim 3; It is characterized in that; The fiber-reinforced composite material board top that is used for said base plate (2) is stained with wearing layer, and said wearing layer is a kind of in polydicyclopentadiene, aramid fiber reinforced composite, the superhigh molecular weight polyethylene fibers reinforced composite.
7. flat bed trailer car body according to claim 3 is characterized in that, the fiber-reinforced composite material board bottom that is used for said base plate (2) is provided with many reinforced ribs along cross-car and/or longitudinal direction; The spacing of adjacent two reinforced ribs is 100～1000mm; Said reinforced rib be fiber reinforced composite through pultrusion or draw and twine technological forming and make, its cross section is " worker " type, " X " type, " mouth " type or " O " type.
8. flat bed trailer car body according to claim 7 is characterized in that said reinforced rib evenly is provided with along cross-car or longitudinal direction.
9. flat bed trailer car body according to claim 3 is characterized in that, the shape of cross section of said support beam is " I " type, " X " type, " W " type or " Y " type.
10. according to each described flat bed trailer car body of claim 1-9, it is characterized in that said car body outside face is coated with the thick fiber reinforced composite of one deck 0.5～1.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120365418 CN202368695U (en) | 2011-09-26 | 2011-09-26 | Light-weight platform semitrailer body |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201120365418 CN202368695U (en) | 2011-09-26 | 2011-09-26 | Light-weight platform semitrailer body |
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| CN202368695U true CN202368695U (en) | 2012-08-08 |
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| CN 201120365418 Expired - Lifetime CN202368695U (en) | 2011-09-26 | 2011-09-26 | Light-weight platform semitrailer body |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010321A (en) * | 2011-09-26 | 2013-04-03 | 蓝星(北京)化工机械有限公司 | Light-weight flatbed semitrailer body and manufacture method thereof |
| CN104890763A (en) * | 2015-04-09 | 2015-09-09 | 山东科瑞石油装备有限公司 | Flat-panel semi-trailer for coiled tubing equipment |
| CN109131568A (en) * | 2018-09-06 | 2019-01-04 | 石家庄金多利专用汽车有限公司 | A kind of lightweight flat bed trailer car body |
-
2011
- 2011-09-26 CN CN 201120365418 patent/CN202368695U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010321A (en) * | 2011-09-26 | 2013-04-03 | 蓝星(北京)化工机械有限公司 | Light-weight flatbed semitrailer body and manufacture method thereof |
| CN103010321B (en) * | 2011-09-26 | 2015-09-30 | 蓝星(北京)化工机械有限公司 | A kind of lightweight flat bed trailer car body and manufacture method thereof |
| CN104890763A (en) * | 2015-04-09 | 2015-09-09 | 山东科瑞石油装备有限公司 | Flat-panel semi-trailer for coiled tubing equipment |
| CN109131568A (en) * | 2018-09-06 | 2019-01-04 | 石家庄金多利专用汽车有限公司 | A kind of lightweight flat bed trailer car body |
| CN109131568B (en) * | 2018-09-06 | 2020-01-17 | 石家庄金多利专用汽车有限公司 | Lightweight flatbed semitrailer body |
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