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CN109383545B - High-speed railway carriage floor and preparation method thereof - Google Patents

High-speed railway carriage floor and preparation method thereof Download PDF

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Publication number
CN109383545B
CN109383545B CN201811563294.3A CN201811563294A CN109383545B CN 109383545 B CN109383545 B CN 109383545B CN 201811563294 A CN201811563294 A CN 201811563294A CN 109383545 B CN109383545 B CN 109383545B
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CN
China
Prior art keywords
layer
floor
speed railway
retardant
flame retardant
Prior art date
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Application number
CN201811563294.3A
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Chinese (zh)
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CN109383545A (en
Inventor
李洁
杨其礼
杨刚
曾庆祝
李龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Kangxin New Material Technology Co ltd
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Hubei Kangxin New Material Technology Co ltd
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Priority to CN201811563294.3A priority Critical patent/CN109383545B/en
Publication of CN109383545A publication Critical patent/CN109383545A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/10—Floors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N1/00—Pretreatment of moulding material
    • B27N1/02—Mixing the material with binding agent
    • B27N1/0209—Methods, e.g. characterised by the composition of the agent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/10—Moulding of mats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
    • B27N3/183—Forming the mat-edges, e.g. by cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/042—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of wood
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/10—Next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/18—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by an internal layer formed of separate pieces of material which are juxtaposed side-by-side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/08—Interconnection of layers by mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/712—Weather resistant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/10—Trains

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Manufacturing & Machinery (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Floor Finish (AREA)
  • Building Environments (AREA)

Abstract

The invention relates to the technical field of floors, in particular to a high-speed railway carriage floor which comprises a floor layer, wherein a plurality of flame-retardant layers which are uniformly and equidistantly arranged are adhered to the lower surface of the floor layer, gaps are reserved between the adjacent flame-retardant layers, a heat-insulating layer is fixedly adhered to the lower surface of the flame-retardant layer, a water-resisting layer is adhered to the lower surface of the heat-insulating layer, a plurality of compressed fiber layers which are uniformly and equidistantly arranged are fixedly adhered to the lower surface of the water-resisting layer, a limiting structure is arranged between the compressed fiber layers and the water-resisting layer, a finger joint plate is fixedly adhered to the lower surface of the compressed fiber layers, and a stable structure is arranged between the finger joint plate and the compressed fiber layers. The setting of floor layer, fire-retardant layer, water-proof layer in this high-speed railway carriage floor can guarantee that this floor can carry out fire-retardant and waterproof effectively, and secondly the existence of triangle dimension steady block and support nail can guarantee that this floor has stronger stability and anti stress performance.

Description

High-speed railway carriage floor and preparation method thereof
Technical Field
The invention relates to the technical field of floors, in particular to a high-speed railway carriage floor and a preparation method thereof.
Background
The main types of high-speed railway carriage floors currently are poplar multilayer floors, plastic floors and honeycomb floors. As the high-speed railway carriage floor has good performances of shock resistance, impact resistance, weather resistance, aging resistance, fire resistance, sound insulation, environmental protection and the like in the running process. Therefore, in addition to the external dimensions, there are high demands on physical properties such as glue and durability, static load, static bending strength, elastic modulus, etc. for the floor of the high-speed railway carriage. In order to meet the requirement of the physical performance index of the product, the high-speed railway carriage floor is generally made of medium-density hard broad-leaved wood, mainly poplar, and the tree species belong to natural forests, so that the growth period is long, and the demands of human beings are gradually increased. Thus, searching for alternative products of poplar multi-layer floors has raised an agenda.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a high-speed railway carriage floor.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a design a high-speed railway carriage floor, includes the floor layer, the floor layer lower surface bonds there is a plurality of fire-retardant layers of even equidistance arrangement, and leaves the clearance between the adjacent fire-retardant layer, the fixed surface bonds there is the insulating layer under the fire-retardant layer, the insulating layer lower surface bonds there is the water barrier, fixed surface bonds there is a plurality of compression fiberboard layers of even equidistance arrangement under the water barrier, and is provided with limit structure between compression fiberboard layer and the water barrier, fixed surface bonds there is the finger joint board under the compression fiberboard layer, and is provided with steady structure of dimension between finger joint board and the compression fiberboard layer.
Preferably, the sound insulation cloth is fixedly adhered to the lower surface of the finger joint plate.
Preferably, the thickness ratio among the floor layer, the flame-retardant layer, the waterproof layer and the compressed fiber board layer is 1:3:3:1.
Preferably, the limit structure comprises a plurality of rectangular limit grooves which are uniformly and equidistantly arranged at the lower end of the waterproof layer and a limit block which is fixedly arranged at the upper end of the compression type fiberboard layer, and the limit block is matched with the rectangular limit grooves.
Preferably, the dimensional stabilizing structure comprises a triangular limiting groove arranged between the fiberboard layer and the finger joint plate, and a triangular dimensional stabilizing block is arranged in the triangular limiting groove.
Preferably, the middle part of the heat insulation layer is provided with a support nail, the lower end of the support nail penetrates through the heat insulation layer and extends into the water insulation layer, and the upper end of the support nail extends into the floor layer.
The invention also provides a preparation method of the high-speed railway carriage floor, which comprises the following steps:
S1: the high-quality poplar wood waterproof coating is formed by scientifically processing a plurality of high-quality poplar wood, a plurality of supporting nails, a compressed fiberboard, a finger joint plate, a sufficient amount of high-elasticity waterproof coating, MDI glue and a flame retardant, wherein the high-elasticity waterproof coating is prepared by taking high-grade acrylic emulsion as a base material and adding a plurality of auxiliary agents and fillers, the flame retardant comprises antimony trioxide, magnesium hydroxide and aluminum hydroxide, and the mass ratio of the antimony trioxide to the magnesium hydroxide to the aluminum hydroxide is 1:2:1;
s2: selecting a proper amount of high-quality poplar for slicing, wherein the thickness of the sliced wood board is 0.8-1.2 mm, performing longitudinal cutting and transverse cutting treatment on the sliced wood board to form wood chips with the width of 20-30 mm and the length of 100-150, removing scraps by screening, and drying the wood chips, wherein the drying temperature is 100-150 ℃, the drying time is 30-50min, the moisture content of the dried wood chips is controlled to be 3-5%, and the qualified rectangular wood chips are prepared for standby after the drying is finished;
S3: uniformly spraying MDI glue, flame retardant and high-elastic waterproof paint on the qualified rectangular wood chips in a roller stirrer, wherein the spraying and smearing proportion of the high-elastic waterproof paint is 3-5%; the coating proportion of the MDI glue is 12-15%; the spraying and smearing proportion of the flame retardant is 4-5.5%, and after the spraying is finished, the detail structure and the spraying quality are required to be checked, and defects are found to be repaired in time;
S4: paving the materials in the step S3 in a longitudinal paving mode, ensuring a certain paving thickness, forming five-layer to seven-layer slabs according to technological requirements in an alternating paving mode, and sending the slabs into a hot press with a thickness gauge placed around a hot pressing plate for hot pressing forming;
S5: and (3) carrying out double-sided fixed-thickness sanding on the hot-pressed formed plate blank obtained in the step (S4), wherein the thickness of the sanded plate blank is 19.5mm, the density is 700-760 Kg/m < 3 >, then pasting sound insulation cloth on the bottom surface of the sanded plate blank, then carrying out trimming, perforating, slotting and the like according to a drawing, and carrying out finished product inspection to form a qualified floor for a high-speed railway carriage, thereby completely meeting the requirements of the special floor for the high-speed railway on fire resistance, sound insulation, static load, weather resistance, impact resistance and environmental protection performance indexes.
Preferably, the stirring speed of the roller stirrer is 400-500 r/min.
Preferably, the flame retardant is an inorganic flame retardant, and silica is added to the flame retardant.
The high-speed railway carriage floor and the preparation method thereof provided by the invention have the beneficial effects that: the floor layer, the flame-retardant layer and the waterproof layer in the high-speed railway carriage floor can be set to ensure that the floor can be effectively flame-retardant and waterproof, and secondly, the existence of the triangular dimension stabilizing block and the supporting nails can ensure that the floor has stronger stability and stress resistance, and meanwhile, the preparation method is clear in steps, low in cost of materials, reliable in quality and capable of preparing the high-speed railway carriage floor with excellent performance.
Drawings
Fig. 1 is a schematic structural view of a high-speed railway carriage floor according to the present invention.
In the figure: floor layer 1, fire-retardant layer 2, water barrier 3, stopper 4, compression fiberboard layer 5, puigging 6, finger joint board 7, triangle dimension steady block 8, triangle spacing groove 9, rectangle spacing groove 10, insulating layer 11, supporting nail 12.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1, a high-speed railway carriage floor comprises a floor layer 1, the thickness of the floor layer 1 is 20mm, a plurality of evenly equidistantly arranged flame retardant layers 2 are adhered to the lower surface of the floor layer 1, gaps are reserved between the adjacent flame retardant layers 2, a heat insulating layer 11 is fixedly adhered to the lower surface of the flame retardant layers 2, a water-resisting layer 3 is adhered to the lower surface of the heat insulating layer 11, a plurality of evenly equidistantly arranged compressed fiberboard layers 5 are fixedly adhered to the lower surface of the water-resisting layer 3, a limiting structure is arranged between the compressed fiberboard layers 5 and the water-resisting layer 3, the limiting structure comprises a plurality of evenly equidistantly arranged rectangular limiting grooves 10 formed at the lower end of the water-resisting layer 3 and limiting blocks 4 fixedly arranged at the upper end of the compressed fiberboard layers 5, the limiting blocks 4 are matched with the rectangular limiting grooves 10, the fixed bonding of surface has finger joint board 7 under the compression fiberboard layer 5, and finger joint board 7 and compression fiberboard layer 5 between be provided with the steady structure of dimension, steady structure is including seting up the triangle spacing groove 9 between fiberboard layer 5 and finger joint board 7, be provided with triangle dimension steady piece 8 in the triangle spacing groove 9, fire-retardant layer 2 has good fire-retardant properties, fire-retardant layer 2 can carry out fire-retardant after the burning of floor layer 1, water-proof layer 3 has good water-proof properties, the thermal expansion performance of fiberboard layer 5 is good, can keep the form of whole bottom plate, wherein stopper 4 and rectangle spacing groove 10 assorted, be provided with triangle dimension steady piece 8 in the triangle spacing groove 9 and all can guarantee the stability of floor, prevent that the floor from taking place horizontal translation.
The fixed bonding of finger board 7 lower surface has the puigging 6, and the puigging 6 has good waterproof corrosion resistance, and thickness ratio between floor layer 1, fire-retardant layer 2, water-proof layer 3, compression fiberboard layer 5 is 1:3:3:1, and insulating layer 11 middle part is provided with support nail 12, and support nail 12 lower extreme runs through insulating layer 11 and extends to in the water-proof layer 3, and support nail 12 upper end extends to in the floor layer 1, and support nail 12 can guarantee the stability of floor layer 1.
The invention also provides a preparation method of the high-speed railway carriage floor, which comprises the following steps:
S1: the high-quality poplar wood waterproof coating is formed by scientifically processing a plurality of high-quality poplar wood, a plurality of supporting nails, a compressed fiberboard, a finger joint plate, a sufficient amount of high-elasticity waterproof coating, MDI glue and a flame retardant, wherein the high-elasticity waterproof coating is prepared by taking high-grade acrylic emulsion as a base material and adding a plurality of auxiliary agents and fillers, the flame retardant comprises antimony trioxide, magnesium hydroxide and aluminum hydroxide, and the mass ratio of the antimony trioxide to the magnesium hydroxide to the aluminum hydroxide is 1:2:1;
s2: selecting a proper amount of high-quality poplar for slicing, wherein the thickness of the sliced wood board is 0.8-1.2 mm, performing longitudinal cutting and transverse cutting treatment on the sliced wood board to form wood chips with the width of 20-30 mm and the length of 100-150, removing scraps by screening, and drying the wood chips, wherein the drying temperature is 100-150 ℃, the drying time is 30-50min, the moisture content of the dried wood chips is controlled to be 3-5%, and the qualified rectangular wood chips are prepared for standby after the drying is finished;
S3: uniformly spraying MDI glue, flame retardant and high-elastic waterproof paint on the qualified rectangular wood chips in a roller stirrer, wherein the spraying and smearing proportion of the high-elastic waterproof paint is 3-5%; the coating proportion of the MDI glue is 12-15%; the spraying and smearing proportion of the flame retardant is 4-5.5%, and after the spraying is finished, the detail structure and the spraying quality are required to be checked, and defects are found to be repaired in time;
S4: paving the materials in the step S3 in a longitudinal paving mode, ensuring a certain paving thickness, forming five-layer to seven-layer slabs according to technological requirements in an alternating paving mode, and sending the slabs into a hot press with a thickness gauge placed around a hot pressing plate for hot pressing forming;
S5: and (3) carrying out double-sided fixed-thickness sanding on the hot-pressed formed plate blank obtained in the step (S4), wherein the thickness of the sanded plate blank is 19.5mm, the density is 700-760 Kg/m < 3 >, then pasting sound insulation cloth on the bottom surface of the sanded plate blank, then carrying out trimming, perforating, slotting and the like according to a drawing, and carrying out finished product inspection to form a qualified floor for a high-speed railway carriage, thereby completely meeting the requirements of the special floor for the high-speed railway on fire resistance, sound insulation, static load, weather resistance, impact resistance and environmental protection performance indexes.
The stirring speed of the roller stirrer is 400-500 r/min.
The flame retardant is an inorganic flame retardant, and silicon dioxide is added in the flame retardant.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (6)

1. The utility model provides a high-speed railway carriage floor, includes floor layer (1), its characterized in that, floor layer (1) lower surface bonds has a plurality of fire-retardant layers (2) of even equidistance arrangement, and leaves the clearance between adjacent fire-retardant layers (2), fire-retardant layer (2) lower surface fixation bonds has insulating layer (11), insulating layer (11) lower surface bonds has water-proof layer (3), water-proof layer (3) lower surface fixation bonds has a plurality of compressed fiberboard layer (5) of even equidistance arrangement, and is provided with limit structure between compressed fiberboard layer (5) and water-proof layer (3), compressed fiberboard layer (5) lower surface fixation bonds has finger joint board (7), and is provided with the steady structure between finger joint board (7) and the compressed fiberboard layer (5);
the limiting structure comprises a plurality of rectangular limiting grooves (10) which are uniformly and equidistantly arranged at the lower end of the waterproof layer (3) and limiting blocks (4) which are fixedly arranged at the upper end of the compressed fiberboard layer (5), and the limiting blocks (4) are matched with the rectangular limiting grooves (10);
the dimension stabilizing structure comprises a triangular limit groove (9) arranged between the fiberboard layer (5) and the finger joint plate (7), and a triangular dimension stabilizing block (8) is arranged in the triangular limit groove (9);
The middle part of the heat insulation layer (11) is provided with a support nail (12), the lower end of the support nail (12) penetrates through the heat insulation layer (11) and extends into the water-resisting layer (3), and the upper end of the support nail (12) extends into the floor layer (1).
2. The high-speed railway carriage floor according to claim 1, wherein the lower surface of the finger joint plate (7) is fixedly adhered with a sound insulation cloth (6).
3. The high-speed railway car floor according to claim 1, characterized in that the thickness ratio between the floor layer (1), the flame retardant layer (2), the water barrier layer (3) and the compressed fiberboard layer (5) is 1:3:3:1.
4. A method of manufacturing a high-speed railway car floor according to claim 1, comprising the steps of:
S1: the high-quality poplar wood waterproof coating is formed by scientifically processing a plurality of high-quality poplar wood, a plurality of supporting nails, a compressed fiberboard, a finger joint plate, a sufficient amount of high-elasticity waterproof coating, MDI glue and a flame retardant, wherein the high-elasticity waterproof coating is prepared by taking high-grade acrylic emulsion as a base material and adding a plurality of auxiliary agents and fillers, the flame retardant comprises antimony trioxide, magnesium hydroxide and aluminum hydroxide, and the mass ratio of the antimony trioxide to the magnesium hydroxide to the aluminum hydroxide is 1:2:1;
s2: selecting a proper amount of high-quality poplar for slicing, wherein the thickness of the sliced wood board is 0.8-1.2 mm, performing longitudinal cutting and transverse cutting treatment on the sliced wood board to form wood chips with the width of 20-30 mm and the length of 100-150, removing scraps by screening, and drying the wood chips, wherein the drying temperature is 100-150 ℃, the drying time is 30-50min, the moisture content of the dried wood chips is controlled to be 3-5%, and the qualified rectangular wood chips are prepared for standby after the drying is finished;
S3: uniformly spraying MDI glue, flame retardant and high-elastic waterproof paint on the qualified rectangular wood chips in a roller stirrer, wherein the spraying and smearing proportion of the high-elastic waterproof paint is 3-5%; the coating proportion of the MDI glue is 12-15%; the spraying and smearing proportion of the flame retardant is 4-5.5%, and after the spraying is finished, the detail structure and the spraying quality are required to be checked, and defects are found to be repaired in time;
S4: paving the materials in the step S3 in a longitudinal paving mode, ensuring a certain paving thickness, forming five-layer to seven-layer slabs according to technological requirements in an alternating paving mode, and sending the slabs into a hot press with a thickness gauge placed around a hot pressing plate for hot pressing forming;
S5: and (3) carrying out double-sided fixed-thickness sanding on the hot-pressed formed plate blank obtained in the step (S4), wherein the thickness of the sanded plate blank is 19.5mm, the density is 700-760 Kg/m < 3 >, then pasting sound insulation cloth on the bottom surface of the sanded plate blank, then carrying out trimming, perforating and milling groove processing according to a drawing, and carrying out finished product inspection to form a qualified floor for a high-speed railway carriage, thereby completely meeting the requirements of the special floor for the high-speed railway on fire resistance, sound insulation, static load, weather resistance, impact resistance and environmental protection performance indexes.
5. The method for preparing a high-speed railway carriage floor according to claim 4, wherein the stirring speed of the roller stirrer is 400-500 r/min.
6. The method for preparing a high-speed railway carriage floor according to claim 4, wherein the flame retardant is an inorganic flame retardant, and silica is added in the flame retardant.
CN201811563294.3A 2018-12-20 2018-12-20 High-speed railway carriage floor and preparation method thereof Active CN109383545B (en)

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CN209553193U (en) * 2018-12-20 2019-10-29 湖北康欣新材料科技有限责任公司 A kind of novel high-iron carriage floor

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JPH07317233A (en) * 1994-05-23 1995-12-05 Joto Kagaku Kogyo Kk Waterproof floor of building and waterproof sheet used therefor
JP3412555B2 (en) * 1999-04-23 2003-06-03 松下電工株式会社 Flooring fiberboard and flooring using the same
CN204163323U (en) * 2014-08-18 2015-02-18 北京东方昊炅科技发展有限公司 A kind of heat preservation environment protection type housing floor structure
CN206521907U (en) * 2017-02-28 2017-09-26 蔡景辉 A kind of wearproof wooden floor

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