CN2679231Y

CN2679231Y - Plastic track with multiple elastic structures

Info

Publication number: CN2679231Y
Application number: CN 200420081609
Authority: CN
Inventors: 朱松善
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-08-03
Filing date: 2004-08-03
Publication date: 2005-02-16
Anticipated expiration: 2014-08-03

Abstract

The utility model provides a plastic track with multiple elastic structures, relating to ground or track for sports, in particular to a plastic track with multiple elastic structures. The utility model comprising a bottom layer and a surface layer which are arranged on a foundation. Therein, the bottom layer comprises elastic granules whose surfaces are attached with solidifiable adhesive. The utility model is characterized in that the surface layer is a rubber plastic sheet layer which is made of rubber plastic through mechanized production and has a Shore hardness of 45-60A; the surface layer is provided with antiskid salient points, the elastic granules of the bottom layer are provided with gaps among them, and an adhesive layer is arranged between the surface layer and the bottom layer. Therefore, the utility model solves the problem that the existing plastic track makes an athlete feel hard on feet and difficult to perform normally or even have sport accident as the foundation is too dense, and the existing plastic track lacks of practicability as the surface layer structure is unreasonable. The plastic track of the utility model has scientific and reasonable structure, convenient and fast manufacture, reliable quality, long service life and small maintenance repair amount; meanwhile, the utility model is consistent with the GB/T14833-93 standard of China and the relative standard of International Athletic Federation.

Description

The plastic cement race track of multiple elastic construction

Technical field

The utility model relates to a kind of motion ground or runway, especially a kind of plastic cement race track with multiple elastic construction.

Background technology

Existing plastic cement race track; as Chinese patent 98206661.9 disclosed " a kind of plastic cement race track "; it is a kind of with the plastic layer plastic cement race track of the compact structure on the base that directly is laid in, and scribbles the topping that can prevent this particle detachment on the antiskid particles of runway.Its shortcoming is: the 1) plastic cement race track of compact structure, the stress deformation little performance that be unfavorable for sports achievement single because of elasticity, and long-time the use also causes athletic injury easily; 2) its topping can only reduce the expulsion rate of antiskid particles, and can not fundamentally solve coming off of particle.

Chinese patent 02243250.7 disclosed " the anti-skidding motion ground of permeability type stamp ", it is made of bottom and surface layer; Wherein bottom is made up of the rubber grain that mixes adhesive, and stirring spreads on the basis at the scene; Surface layer evenly applies on bottom with pure surface layer glue behind the primer curing molding, and carries out stamp with printing die before pure surface layer adhesive curing, removes printing die at last after pure surface layer adhesive curing.Do not fall grain and ventilative characteristics though the structure of this motion ground has surface layer in theory, the unreasonable structure of suppressing stamp because of the scene of surface layer can not realize, so it does not have the alleged practicality of Patent Law.Irrational reason of the scene compacting stamp structure of its surface layer is: 1) its execute-in-place following situation will occur and can't carry out, for example, existing knurling mould generally adopts PE or PP sheet material to make, its size is less, be difficult to satisfy the requirement that large tracts of land is used, if adopt the mode of place piecemeal embossing is processed, then since pure surface layer glue area greater than die area, each pressing mold overflows and will solidify along with the curing of the pure surface layer glue under the mould in the pure surface layer glue in the mould outside, pure surface layer glue after the curing neither has decorative pattern embossing once more again, becomes a kind of obstacle of embossing on the contrary; And for example, athletic ground particularly plastic cement race track all has to tilt to put the slope, and pure surface layer glue is liquid, and needs 2～6 hours usually its hardening time, and the pure surface layer glue before therefore solidifying will trickle, have a strong impact on construction from high to lower; These situations that on-the-spot embossing operation occurs, to cause all that the concavo-convex degree of decorative pattern is inhomogeneous, variable thickness, the crooked dislocation of pressing mold splicing seams on the surface irregularity, surface layer, decorative pattern is overlapping or gaps and omissions, even can't operation etc. problem, therefore on-the-spot compacting stamp is to be difficult to realize, promptly enable to create reluctantly, its performance can not satisfy the various standards of the relevant institute's standard of moving; 2) its stamp pressing mold time is difficult to grasp, because the material of surface layer, as the influence that not only is subjected to material prescription hardening time of polyurethane, and the height of temperature, the size of air humidity and the moisture content of ground or bottom all can shorten or prolong hardening time; Also have pressing mold and the bad surface detail lines that also can cause of molding timing not dark, even it is flat can not press decorative pattern or decorative pattern to collapse, thereby influences the frictional force of plastic cement race track, make it not reach code requirement.In sum, the surface layer structure of its scene compacting stamp can't be made qualified plastic cement race track because of unreasonable.

Summary of the invention

The utility model is to overcome the shortcoming that also exists in the above-mentioned prior art, a kind of reliable in quality is provided, makes the easy construction plastic cement race track of practicable multiple elastic construction again, and make it have characteristics such as the requirement that can satisfy sport dynamics and overall appearance are good.

The plastic cement race track of the multiple elastic construction of the utility model, it includes bottom and the surface layer that is arranged on the ground, wherein bottom contains by the surface and forms with the elastic granule of curable cementing agent, be characterized in: its surface layer is that one deck is that the shore hardness that raw material are produced by mechanization is 45～60A rubber and plastic lamella with the rubber and plastic, and the upper surface of surface layer has to have between the elastic granule of anti-skidding salient point, bottom and has one deck adhesive layer between space, surface layer and the bottom.This adhesive layer is the polyurethane adhesive of one pack system or bi-component, so that bottom is with prefabricate surface layer strong bonded one.

The plastic cement race track of the utility model multiplet, the molding thickness of its bottom are 4～20mm, and its contained elastic granule is that shore hardness is that 40～60A, particle diameter are 3～24 purpose rubber and plastic particles.

The plastic cement race track of the multiple elastic construction of the utility model, its surface layer comprise that the height of salient point is 3～8mm.

The beneficial effects of the utility model are: 1) the utility model plastic cement race track is scientific and reasonable for structure, especially the surface layer that with the rubber and plastic is main raw material(s) is prefabricated coiled material or the sheet material of producing by mechanization of engineering, rather than pure surface layer glue to be impressed, so every stable performance of runway, technical indicator everywhere such as planeness, thickness, shock-absorbing capacity, vertical deformation, frictional force, sliding resistance, color, and elasticity, hardness, skid resistance, dynamic characteristics such as frictional property and appearance effect be uniformity all, and meets the relevant criterion of China GB GB/T14833-93 and International Track and Field Association (IAAF); 2) the utility model can be according to the different requirements of different motion project to track performance such as hardness, rebound value, sliding resistance etc., or according to different construction classifications, the needs of different kinds of competitions, design and manufacture different flexible plastic cement race tracks; At this moment only need to change the hardness and the elasticity of plastic cement race track surface layer and bottom, for example adjust the mixed proportion of size, hardness and the different-grain diameter particle of bottom particle, or the molding thickness of adjustment surface layer, material prescription etc. get final product; 3) the utility model plastic cement race track is durable in use, maintenance cost is low, because the contained gap between particles of bottom, the water that can occur for getting damp because of ground is gentle to connect within it mutually, so effectively avoid rising of surface layer to rouse or cracking; And the salient point on the surface layer is with surface layer roll-forming, difficult drop-off, so the frictional force and the sliding resistance that can keep plastic cement race track to set lastingly; 4) bottom of the utility model plastic cement race track, can in construction, adopt paver, this machine can the Efficient software patching foundation the height error and the smooth unanimity of bottom upper surface, big because of its scope of operation again, speed is fast, no seam makes things convenient for the laying of surface layer, and guaranteed the construction quality of plastic cement race track.

Description of drawings

Fig. 1 is the main sectional view of the plastic cement race track of the multiple elastic construction of the utility model.

Label declaration among the figure: 1-ground; The 2-bottom; The 2a-elastic granule; The 2b-space; The 3-surface layer; The 3a-salient point; The 4-adhesive-layer.

The specific embodiment

The plastic cement race track of the multiple elastic construction of present embodiment, its structure can see from Fig. 1 that it includes bottom 2 and the surface layer 3 that is arranged on the ground 1 (representing with double dot dash line among the figure); Wherein bottom 2 is by the elastic granule 2a of surface with curable cementing agent (being represented among the figure), form as Polyurethane particle, Ethylene Propylene Terpolymer particle or other rubber and plastic particle, and each particle not of uniform size, and have space 2b between particle and the particle; Surface layer 3 is that one deck is that the shore hardness that raw material are manufactured out by mechanization is the prefabricated rubber and plastic lamella of 45～60A with the rubber and plastic, and the surface layer upper surface have can be anti-skidding salient point 3a, surface layer and bottom between have one deck adhesive layer 4.

The mechanization production of above-mentioned prefabricated rubber and plastic lamella, be under controlled condition to rubber and plastic carry out heat refining, extrude, roll, to produce width be the rubber and plastic coiled material of 900～1250mm or large-scale rubber and plastic sheet material to operation such as sulfuration, making things convenient for the construction of plastic cement race track, and guarantee that stable and reliable for performance, every index of surface layer can meet the setting requirement.Anti-skidding salient point 3a on the surface layer be by the molding press device in the rolling equipment with the surface layer roll-forming, so never drop-off, durable in use, thereby keep the frictional force and the sliding resistance of plastic cement race track enduringly and reduce maintenance cost.The intergranular space 2b of bottom can make the water and air that may occur connect within it, avoids rising of surface layer to rouse or cracking.

The cementing agent that the contained elastic granule of above-mentioned bottom surface has is a monocomponent polyurethane adhesive, and the weight ratio that this cementing agent mixes with elastic granule is 1/4～1/6, so that have bonding force preferably between the particle and do not influence the elastic performance of particle again.

The plastic cement race track of present embodiment multiplet in use, when athletic foot touches plastic cement race track in a flash, the active force of foot makes the friction surface layer of plastic cement race track recessed, at this moment the surface layer of runway can slow down impact force and be delivered to equably the elastic granule of bottom, bottom of runway because of stressed compressive strain, further extenuate impact strength, extenuate ground whereby and pass to the huge recoil strength of foot, therefore foot can steadily land, reduce injured possibility; Meanwhile, when foot cleared the runway, compressed bottom elastic granule and friction surface layer quicked rebound, and this bounce will all be fed back the spring that the best is provided in foot, for human body.Can feel comfortably cool and safety when therefore the sportsman moves on this plastic cement race track, can also improve athletic sports achievement to greatest extent.

The plastic cement race track of the utility model multiplet can be selected underlayer thickness, the hardness of elastic granule, the particle diameter of elastic granule according to the difference requirement of different motion project, different construction classifications, different kinds of competitions; Wherein the molding thickness of bottom is 4～20mm, and the shore hardness of elastic granule is that the particle diameter of 40～60A, elastic granule is 3～24 orders.Equally, the surface layer height that comprises anti-skidding salient point is that 3～8mm, shore hardness are 45～60A.

Claims

1, a kind of plastic cement race track of multiple elastic construction, it is characterized in that: it includes bottom (2) and the surface layer (3) that is arranged on the ground, wherein bottom (2) is made up of with the elastic granule (2a) of curable cementing agent the surface, it is characterized in that: its surface layer (3) is that one deck is that the shore hardness that raw material are produced by mechanization is the rubber and plastic lamella of 45～60A with the rubber and plastic, and the upper surface of surface layer has to have between the elastic granule of anti-skidding salient point (3a), bottom and has one deck adhesive layer (4) between space (2b), surface layer and the bottom.

2, the plastic cement race track of multiple elastic construction according to claim 1 is characterized in that: the molding thickness of said bottom (2) is 4～20mm, and its contained elastic granule (2a) is that shore hardness is that 40～60A, particle diameter are 3～24 purpose rubber and plastic particles.

3, the plastic cement race track of multiple elastic construction according to claim 1 and 2 is characterized in that: said surface layer (3), it comprises that the height of the salient point (3a) on it is 3～8mm.