CN115029990A - Sand-embedded artificial lawn and preparation method and application thereof - Google Patents
Sand-embedded artificial lawn and preparation method and application thereof Download PDFInfo
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- CN115029990A CN115029990A CN202210336302.0A CN202210336302A CN115029990A CN 115029990 A CN115029990 A CN 115029990A CN 202210336302 A CN202210336302 A CN 202210336302A CN 115029990 A CN115029990 A CN 115029990A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
- E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
- E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
- E01C13/083—Construction of grass-grown sports grounds; Drainage, irrigation or heating arrangements therefor
Abstract
The invention provides a sand-embedded artificial lawn and a preparation method and application thereof, wherein the preparation method comprises the following steps: (I) laying primary natural sand of 30-50 meshes on one surface (first surface) of the artificial lawn provided with the grass silk layer to form a basic sand layer; wherein the grass silk layer comprises straight grass; (II) laying 20-40 meshes of secondary natural sand on the surface of the basic sand layer to form a fine sand surface layer to obtain the sand-embedded artificial lawn; wherein the grass filament layer is controlled to extend out of the fine sand surface layer. The sand-embedded artificial lawn prepared by the invention has the excellent performances of smooth surface, low rebound and the like, and can be particularly used as a green lawn in a golf course.
Description
Technical Field
The invention relates to the field of artificial lawns, in particular to an embedded sand artificial lawn and a preparation method and application thereof.
Background
An artificial lawn is a chemical product with natural grass sports performance, mainly comprising artificial grass filaments (grass fiber filaments), base cloth, gum and the like, and is gradually widely applied to sports fields and the like in recent years.
The green lawn of the golf course is the most refined embodiment of all lawns, generally has higher requirements on the performance of smooth surface, high ball rolling speed, low rebound and the like, and the existing artificial lawn generally cannot meet the requirements of the green lawn of the golf course and needs to be further improved in performance.
Disclosure of Invention
The invention provides a sand-inlaid artificial lawn, a preparation method and application thereof.
In one aspect of the present invention, a method for preparing an embedded sand artificial turf is provided, comprising: (I) laying primary natural sand of 30-50 meshes on one surface of the artificial lawn provided with the grass silk layer to form a basic sand layer; wherein the grass layer comprises straight grass; (II) paving 20-40 meshes of secondary natural sand on the surface of the basic sand layer to form a fine sand surface layer, and thus obtaining the embedded sand artificial lawn.
According to an embodiment of the invention, the primary natural sand has a soil content of substantially 0.
According to an embodiment of the invention, the ratio of the mass of the base sand layer to the area of the artificial lawn is (42-52) kg: 1m 2 。
According to an embodiment of the invention, in the step (I), after the primary natural sand of 30-50 meshes is laid on one side of the artificial lawn provided with the grass filament layer, the surface of the artificial lawn on which the primary natural sand is laid is fully leveled by using a steel brush to form the basic sand layer.
According to an embodiment of the invention, the color of the secondary natural sand substantially corresponds to the color of the turf layer of the artificial turf.
According to an embodiment of the present invention, in step (II), after 20-40 mesh secondary natural sand is paved on the surface of the base sand layer, a turf carpet with one side provided with a grass composition is laid on the surface of the artificial turf paved with the secondary natural sand, and the side provided with the grass composition of the turf carpet faces the artificial turf, and then the turf carpet is pulled, and the surface of the secondary natural sand paved on the surface of the base sand layer is flattened by the pulling to form the fine sand surface layer; and then taking down the turf blanket to obtain the sand-embedded artificial lawn.
According to one embodiment of the invention, the primary natural sand is paved on one surface of the artificial lawn, which is provided with the grass filament layer, by adopting a sand paving machine with the sand paving width of 40-70 cm; and/or paving 20-40-mesh secondary natural sand on the surface of the base sand layer by adopting a sand paving machine with a sand paving width of 40-70 cm.
According to an embodiment of the invention, the height of the layer of grass filaments is H 1 Sand layer consisting of base sand layer and fine sand surface layerTotal height of (H) 2 ，0≤H 1 -H 2 ≤1mm。
In another aspect of the invention, a sand-inlaid artificial lawn is provided, which is manufactured according to the manufacturing method of the sand-inlaid artificial lawn.
In still another aspect of the present invention, there is provided a use of the above-mentioned sand-inlaid artificial turf on a green of a golf course.
The invention aims at the lawn used on the green of the golf course and develops a novel sand-embedded artificial lawn and a manufacturing process thereof, the artificial lawn formed by straight filament grass is adopted, and natural sand is adopted to pave the artificial lawn, the natural sand has more smooth sand grain appearance, so that the formed sand layer is more compact, in the sand paving process, first 30-50 meshes of first-level natural sand is paved on the lawn to form a basic sand layer, and then 20-40 meshes of second-level natural sand is paved on the basic sand layer to form a fine sand surface layer, thereby the sand-embedded artificial lawn capable of achieving the effect of the natural turf carpet playground can be manufactured, the performances of surface smoothness, low rebound and the like of the sand-embedded artificial lawn are improved, and the sand-embedded artificial lawn can better match the sports requirements of the golf ball on the green lawn such as rolling speed and the like.
In addition, the invention also has the advantages of simple manufacturing process, easy operation, high efficiency, low cost and the like of the sand-embedded artificial lawn, and is beneficial to practical application and popularization.
Drawings
Fig. 1 is a schematic structural view of an artificial lawn to be embedded with sand according to an embodiment of the present invention.
Description of reference numerals:
description of reference numerals:
1: base cloth;
2: a layer of grass filaments;
20: a tow of grass;
200: grass fiber;
3: a back glue layer.
Detailed Description
The present invention is described in further detail below in order to enable those skilled in the art to better understand the aspects of the present invention. The following detailed description is merely illustrative of the principles and features of the present invention, and the examples are intended to be illustrative of the invention and not limiting of the scope of the invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.
In the description of the present invention, "primary" in "primary natural sand" and "secondary" in "secondary natural sand" are used for descriptive purposes only, as terms for distinguishing the natural sand of step (I) and step (II) to more clearly explain/explain the technical solution, and are not to be understood as meaning indicating or implying the number, order, degree of quality, etc. of the indicated technical features.
The preparation method of the sand-embedded artificial lawn comprises the following steps: (I) laying primary natural sand of 30-50 meshes on one surface (first surface) of the artificial lawn provided with the grass silk layer to form a basic sand layer; wherein the grass silk layer comprises straight grass; (II) laying 20-40 meshes of secondary natural sand on the surface of the basic sand layer to form a fine sand surface layer to obtain the sand-embedded artificial lawn; wherein the layer of grass fibre filaments is controlled to extend beyond (i.e. not be submerged in) the fine sand surface layer.
In general, an artificial turf is formed by implanting grass fiber filaments on a base cloth, and in some embodiments, as shown in fig. 1, the artificial turf includes: the base cloth 1, the grass silk layer 2 arranged on the first surface of the base cloth 1 and the gum layer 3 arranged on the second surface of the base cloth 1, wherein the first surface is opposite to the second surface, the grass silk layer 2 is formed by grass fiber silk 200, the fineness of the grass fiber silk 200 is 360-440 dtex, such as the range formed by 360 dtex, 380 dtex, 400 dtex, 420 dtex and 440 dtex or any two of the two, and the height H of the grass silk layer 2 1 Is 22-28mm, such as 22mm, 23mm, 24mm, 25mm, 26mm, 27mm, 28mm or any two of them, the ratio of the total mass of the grass fiber filaments 200 forming the grass filament layer 2 to the area of the base cloth 1 is (1500-: 1m 2 For example, 1500 g: 1m 2 、1550g：1m 2 、1600g：1m 2 、1650g：1m 2 、1670g：1m 2 、1700g：1m 2 、1750g：1m 2 、1800g：1m 2 、1840g：1m 2 Or any two thereofAnd (3) a range.
Wherein the height (grass planting height) H of the grass filament layer 2 1 Calculated on the basis of the second surface of the base cloth 1, i.e. the height H of the grass layer 2 1 Substantially equal to the distance from the highest point of the layer of filaments 2 to the second surface of the base cloth 1.
In addition, the weight of the grass planting fiber satisfies the following conditions: the ratio of the total mass of the grass fiber yarns 200 forming the grass yarn layer 2 to the area of the base cloth 1 is (1500-: 1m 2 I.e. per square meter (m) 2 ) The base cloth 1 is provided with 1500-1840g of grass fiber filaments 200, namely, the grass filament layer 2 on the first surface of the base cloth 1 is formed by the 1500-1840g of grass fiber filaments 200 per square meter.
In practice, the area S of the first surface of the base cloth 1 can be determined 1 Determining the total mass m of the used grass fibre 2 Taking the total mass as m 2 Is implanted on the base cloth to form a grass filament layer 2, m 2 And S 1 Ratio of (i.e. m) 2 /S 1 ) I.e. the ratio of the total mass of the grass filaments 200 forming the grass filament layer 2 to the area of the base cloth 1.
In some embodiments, the width of the grass fiber strand 200 is 1-1.3mm, such as 1mm, 1.02mm, 1.05mm, 1.08mm, 1.1mm, 1.14mm, 1.2mm, 1.26mm, 1.3mm, or a range of any two thereof, and the thickness of the grass fiber strand 200 is 0.7-0.9mm, such as 0.7mm, 0.75mm, 0.8mm, 0.85mm, 0.9mm, or a range of any two thereof.
Generally, the grass fiber yarn 200 may be a bent/curved yarn (or curved yarn grass) or a straight yarn (or straight yarn grass) with a vertical structure (i.e. without bending/curving), and in some preferred embodiments, the grass fiber yarn 200 includes a straight yarn, and particularly, may be a straight yarn.
In particular, the grass fibre yarn may be in particular a manufactured fibre yarn, typically of a polymer material, in some embodiments the grass fibre yarn 200 comprises Polyethylene (PE) and/or polypropylene (PP), for example formed from 100% polyethylene.
In addition, the grass fiber yarn 200 may include an anti-uv fiber, which may be an anti-uv fiber yarn conventional in the art, such as a fiber yarn having an anti-uv damage ability, or a fiber yarn formed by adding an anti-uv additive to a fiber yarn material, and the like.
In the present invention, the grass fiber yarn 200 may be dyed by fiber yarn, and is generally dyed in grass green, that is, the grass fiber yarn 200 of the present invention is in grass green, so that the artificial lawn is closer to the natural lawn, and the color fastness thereof is generally greater than 3 grade.
In some embodiments, the grass fiber yarn 200 is knitted and tufted on the base fabric with a stitch length of 4.2-5.3mm, such as 4.2mm, 4.5mm, 4.8mm, 5mm, 5.3mm or any two thereof, and a stitch length of 270-330 needles/m 2 E.g. 270 needles/m 2 280 needles/m 2 290 needles/m 2 300 needles/m 2 310 needles/m 2 320 needles/m 2 330 needles/m 2 Or any two of them, the planting density is 56700- 2 E.g. 56700 needles/m 2 57000 needles/m 2 60000 stitches/m 2 63000 needles/m 2 65000 needles/m 2 67000 needles/m 2 69300 needles/m 2 Or a range of any two thereof.
Specifically, the grass yarn layer 2 is formed by weaving grass fiber yarns 200 on the base fabric 1 by tufting, a plurality of grass fiber yarns 200 form grass yarn bundles 20, grass roots of the grass yarn bundles 20 are implanted into the base fabric 1 and are adhered and fixed by the back adhesive layer 3 positioned on the second surface of the base fabric 1, and the grass yarn layer 2 is formed at a part of the base fabric 1 where the grass roots are not implanted. Thus, the artificial turf specifically includes the grass filament bundle 20 provided on the base fabric 1, the grass filament bundle 20 is formed of a plurality of grass filaments 200, the root of the grass filament bundle 20 is implanted into the base fabric 1, and the non-root portion that is not implanted into the base fabric 1 forms the grass filament layer 2.
The grass fiber yarn 200 may be woven on the base fabric 1 to form the grass yarn layer 2 using an apparatus such as a tufting machine, which is conventional in the art, but is not particularly limited thereto.
The base fabric 1 is generally made of a polymer material, and the material thereof may be the same as or different from that of the grass yarn.
In some embodiments, the base fabric 1 comprises Polyethylene (PE) and/or polypropylene (PP), for example formed from 100% polyethylene.
In some embodiments, the base fabric 1 may include uv resistant fibers, which may be formed of uv resistant fibers conventional in the art, such as fibers having uv damage resistance per se, fibers formed by adding uv resistant additives to a fiber filament material, and the like.
In some embodiments, the backing layer 3 comprises carboxylated styrene-butadiene latex (CSBR) and/or polyurethane, preferably including carboxylated styrene-butadiene latex.
In the present invention, the backing layer 3 may be specifically attached to the second surface of the base cloth 1, and in some embodiments, the ratio of the mass of the backing layer 3 to the area of the base cloth 1 is (630-770) g: 1m 2 (i.e., 700g of backsize 3 is attached per square meter of the second surface of the base fabric 1), for example, 630 g: 1m 2 、650g：1m 2 、680g：1m 2 、700g：1m 2 、730g：1m 2 、750g：1m 2 、770g：1m 2 Or any two of them, and in practice, it may be determined according to the area S of the second surface of the base fabric 1 2 Determining the mass m of the gum material used to form the gum layer 3 3 Coating the back adhesive material on the second surface of the base cloth 1 to form a back adhesive layer 3m 3 And S 2 Ratio of (i.e. m) 3 /S 2 ) Which is the ratio of the mass of the backing layer 3 to the area of the base cloth 1.
Generally, the area S of the first surface of the base fabric 1 1 Area S of the second surface of the base cloth 1 2 Substantially equal, i.e. S 1 ＝S 2 。
In some embodiments, the ratio of the sum of the mass of the gum layer 3, the base cloth 1 and the grass silk layer 2 to the area of the base cloth 1 is (2590-: 1m 2 For example, 2590 g: 1m 2 、2600g：1m 2 、2700g：1m 2 、2800g：1m 2 、2850g：1m 2 、2880g：1m 2 、3000g：1m 2 、3170g：1m 2 Or a range of any two thereof. Specifically, the artificial turf body comprises a back glue layer 3, a base cloth 1 and a grass filament layer 2, and the total mass of the artificial turf body meets the following requirements: the mass per square meter is 2590-3170 g.
In concrete practice, the base fabric material used to form the base fabric 1 has a mass m 1 The total mass of the grass filaments used for forming the grass filament layer 2 is m 2 Mass m of the back adhesive material for forming the back adhesive layer 3 3 Then (m) 1 +m 2 +m 3 )/S 1 (or (m) 1 +m 2 +m 3 )/S 2 ) Namely the ratio of the sum of the mass of the back glue layer 3, the base cloth 1 and the grass silk layer 2 to the area of the base cloth 1.
In the present invention, the artificial turf has a weather resistance of 3000 hr or more, a color fastness of more than grade 3, and a grass pulling strength (the force required to pull the grass filament bundle 20 from the base cloth 1) of more than 20N as measured according to ASTM G155 standard.
In some embodiments, the distance from the side of the backing layer 3 facing away from the base cloth 1 to the side of the grass filament layer 2 facing away from the base cloth 1 (the highest point of the grass filament layer 2) is 24-30mm, such as 24mm, 25mm, 26mm, 27mm, 28mm, 29mm, 30mm or a range consisting of any two thereof. Specifically, the artificial lawn body consists of a gum layer 3, a base cloth 1 and a grass filament layer 2, and the height of the artificial lawn body is 24-30 mm.
The artificial lawn has the advantages of high smoothness, high weather resistance, high color fastness, high grass planting pull strength and the like, is embedded with sand to form the sand-embedded artificial lawn, is suitable for being used as a green lawn of a golf course, and has the advantages of long service life and the like.
In specific implementation, a smooth bottom surface can be provided, then the artificial turf is fixed on the smooth bottom surface, the surface provided with the grass filament layer 2 faces away from the smooth bottom surface (for example, the gum layer 3 of the artificial turf is bonded on the smooth bottom surface through a bonding material), and then the step (I) and the step (II) are sequentially carried out; the adhesive material used includes, for example, but not limited to, a rubber-based adhesive material.
Illustratively, the mesh size of the primary natural sand may be 30 mesh, 32 mesh, 35 mesh, 38 mesh, 40 mesh, 42 mesh, 45 mesh, 48 mesh, 50 mesh or a range consisting of any two thereof. The mesh number of the secondary natural sand can be 20 meshes, 22 meshes, 25 meshes, 28 meshes, 30 meshes, 32 meshes, 35 meshes, 38 meshes, 40 meshes or the range consisting of any two of the two.
Further, the primary natural sand has a soil content of substantially 0 (i.e., substantially no soil), wherein "substantially 0" means: the natural sand may be treated in accordance with conventional means in the art to remove as much soil as possible, but due to operational errors and the like, a small amount of soil may remain in the first-stage natural sand after treatment, but within the error range, the first-stage natural sand after treatment may be considered to be substantially free of soil.
In the present invention, after the first-level natural sand is laid, the surface of the artificial lawn may be flattened to form a base sand layer with a flattened surface, in some embodiments, in step (I), after the first-level natural sand with 30-50 meshes is laid on the surface of the artificial lawn provided with the grass filament layer 2, the surface of the artificial lawn on which the first-level natural sand is laid is fully leveled by using a steel brush, specifically, the artificial lawn may be sanded by using a steel brush, for example, manually sanded, to flatten the first-level natural sand laid on the artificial lawn, so as to flatten the surface of the artificial lawn, thereby forming the base sand layer.
In the invention, a basic sand layer formed by primary natural sand is used as a sand layer main body on the sand-embedded artificial lawn, and the ratio of the mass of the basic sand layer to the area of the artificial lawn can be (42-52) kg: 1m 2 For example, 42 kg: 1m 2 、45kg：1m 2 、48kg：1m 2 、50kg：1m 2 、52kg：1m 2 Or a range of any two thereof.
In the invention, the fine sand surface layer is formed by adopting secondary natural sand, the fine sand surface layer covers the base sand layer, the thickness of the fine sand surface layer is smaller than that of the base sand layer, a small amount of secondary natural sand is usually paved on the surface of the base sand layer, and the formed fine sand surface layer can cover the base sand layer, and exemplarily, the thickness of the fine sand surface layer is 3-4 mm.
In the invention, the color of the secondary natural sand is basically consistent with the color of the grass fiber yarn 200 of the artificial lawn, so that the sand-embedded artificial lawn is closer to the natural lawn shape. Specifically, the secondary natural sand may be dyed, for example, by laser dyeing, from a 20-40 mesh natural sand material to substantially match the color of the grass fiber strand 200. Therefore, in some specific embodiments, the method further comprises: and carrying out laser dyeing on the natural sand raw material with the mesh of 20-40 to obtain the secondary natural sand. The sand grain size of the natural sand is not affected basically in the dyeing process, and the natural sand raw material before dyeing and the sand grain size of the secondary natural sand formed after dyeing are basically the same.
In the invention, after secondary natural sand is paved, surface flattening can be carried out to form a fine sand surface layer with a flat surface, in the step (II), after 20-40 meshes of secondary natural sand is paved on the surface of the basic sand layer, a turf blanket with one surface provided with the varicose grass is paved on the surface of the artificial turf paved with the secondary natural sand, the surface provided with the varicose grass of the turf blanket faces the artificial turf, then the turf blanket is pulled, and the surface of the secondary natural sand paved on the surface of the basic sand layer is flattened by pulling the turf blanket to form the fine sand surface layer; and then taking off the turf carpet to obtain the sand-embedded artificial lawn.
In particular implementations, the process of pulling the turf carpet may include: the grass blanket is repeatedly pulled for a plurality of times, in the process of pulling the grass blanket, the grass blanket moves relative to the artificial turf, the curve grass of the grass blanket is embedded into the gaps of the grass fiber yarns 200 of the artificial turf, and the natural sand grains in the grass blanket are disturbed to level the sand surface, so that the whole sand surface is smoother.
Specifically, the turf carpet used may be an artificial turf formed of the varicose grass as grass fiber yarn, which may be manufactured according to a conventional manufacturing process in the art, and has a conventional artificial turf structure, for example, including a base fabric, and the varicose grass woven on one surface of the base fabric, a back adhesive layer adhered to the other surface of the base fabric, and the like, to which the present invention is not particularly limited.
In the above process, the natural sand is filled in the gaps of the grass fiber filaments 200 by the sand-spreading to form the sand layer, in some preferred embodiments, a sand-spreading machine with a sand-spreading width of 40-70cm is used to spread the primary natural sand on the side of the artificial lawn provided with the grass filament layer 2, and a sand-spreading machine with a sand-spreading width of 40-70cm is used to spread the secondary natural sand of 20-40 meshes on the surface of the basic sand layer. The sand layer having a sanding width of 40-70cm is generally referred to as a short-axis sand layer, and the width of the formed sand layer (i.e., the sanding width) is 40-70cm per sanding, for example, 40cm, 45cm, 50cm, 55cm, 60cm, 65cm, 70cm, or a range of any two thereof. When the short-shaft sand-paving machine is adopted for paving sand, the grass silk layer 2 can be prevented from being buried by natural sand, and the quality of the manufactured sand-embedded artificial lawn is improved.
In specific implementation, the short shaft sand-laying machine can be adopted to carry out sand-laying for n times along the direction vertical to the surface of the base cloth 1 of the artificial lawn, n is more than or equal to 5, after the sand-laying for n times, a base sand layer is formed, generally, the height H of the grass filament layer 2 is taken as the reference of the surface of the base cloth 1 provided with the grass filament layer 2 1 Height above the base sand layer; then laying secondary natural burning sand to form a fine sand surface layer, and obtaining the artificial turf embedded with the sand, wherein the height H of the grass filament layer 2 1 Not less than the total height H of the sand layer consisting of the base sand layer and the fine sand surface layer 2 (i.e., the grass layer 2 is not buried in the sand layer), the difference between the two is usually between 0 and 1mm (i.e., 0 ≦ H) 1 -H 2 Less than or equal to 1mm), the grass silk layer 2 and the natural sand layer are basically in a flat state.
The sand-embedded artificial lawn provided by the invention is prepared according to the manufacturing method of the sand-embedded artificial lawn. As described above, the sand-inlaid artificial turf comprises the base cloth 1, the grass filament layer 22 on the first surface of the base cloth 1, the gum layer 3 on the second surface of the base cloth 1, and the natural sand layer laid on the first surface, wherein the natural sand layer comprises the base sand layer on the surface of the base cloth 1 and the fine sand surface layer on the surface of the base sand layer, the base sand layer is formed by primary natural sand with 30-50 meshes, and the fine sand surface layer is formed by secondary natural sand with 20-40 meshes. Wherein the first surface is opposite to the second surface, the grass silk layer 2 is formed by grass fiber silk 200, the titer of the grass fiber silk 200 is 360-440 dtex, and the height H of the grass silk layer 2 1 22-28mm, the ratio of the total mass of the grass fiber filaments 200 forming the grass filament layer 2 to the area of the base cloth 1 is (1500-: 1m 2 。
In addition, the basic sand layer is the main part of the sand layer, and the laying amount of the basic sand layer can meet the following conditions: the ratio of the mass of the base sand layer to the area of the artificial turf is (42-52) kg: 1m 2 (ii) a The fine sand surface layer covers the base sand layer and has a thickness less than the thickness of the base sand layer, illustratively 3-4 mm.
Furthermore, the secondary natural sand may have a color substantially corresponding to the color of the grass filaments 200 of the artificial turf, e.g., a grass green color, so that the embedded artificial turf may more closely resemble a natural turf shape.
Furthermore, in the sand-inlaid artificial turf, the height H of the grass layer 2 1 Not less than height H of natural sand layer 2 (i.e. the total height of the sand layer consisting of the base sand layer and the fine sand surface layer), meaning that the layer of filaments 2 is not buried by the natural sand layer, H 1 And H 2 The difference is usually between 0 and 1mm (i.e. 0. ltoreq. H) 1 -H 2 Less than or equal to 1mm), the grass silk layer 2 and the natural sand layer are basically in a flat state.
In addition, the sand-embedded artificial lawn is manufactured through the manufacturing process, the sand layer surface is smoother, and the lawn has excellent performances of high smoothness, low rebound and the like, so that the sports requirements of the golf on the rolling speed and the like of the green lawn can be better met. The rolling performance of the golf ball on the artificial embedded sand lawn is tested by a green velocimeter, and the result shows that the rolling footage of the golf ball on the artificial embedded sand lawn is about 14-16 feet.
Therefore, the invention also provides an application of the sand-inlaid artificial lawn in the golf course green, and particularly, the sand-inlaid artificial lawn can be used as the golf course green lawn to achieve better experience.
To make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
In this embodiment, as shown in fig. 1, the artificial lawn to be embedded with sand comprises a base cloth 1, a grass filament layer 2 disposed on a first surface of the base cloth 1, and a gum layer 3 disposed on a second surface of the base cloth 1, wherein the first surface is opposite to the second surface, and the grass filament layer 2 is formed by grass fiber filaments 200The fineness of the grass fiber yarn 200 is 400 dtex, and the height H of the grass yarn layer 2 1 At 25mm, the ratio of the total mass of the grass fiber strands 200 forming the grass strand layer 2 to the area of the base fabric 1 is 1670 g: 1m 2 ；
Wherein, the grass fiber yarn 200 is a straight yarn; the width of the grass fiber yarn 200 is 1.14mm, and the thickness of the grass fiber yarn 200 is 0.8 mm; the grass fiber yarn 200 is weaved and tufted on the base cloth, the stitch length is 4.76mm, and the weaving distance is 300 stitches/m 2 The grass planting density is 63000 needles/m 2 ；
The material of the back glue layer 3 is CSBR, and the ratio of the mass of the back glue layer 3 to the area of the base cloth 1 is 700 g: 1m 2 ；
The ratio of the sum of the mass of the back glue layer 3, the base cloth 1 and the grass silk layer 2 to the area of the base cloth 1 is 2880 g: 1m 2 ；
The distance from one side of the gum layer 3 departing from the base cloth 1 to one side of the grass silk layer 2 departing from the base cloth 1 (the highest point of the grass silk layer 2) is 27 mm;
the artificial lawn has weather resistance over 3000 hr, color fastness higher than 3 grade, and grass planting strength higher than 20N;
the artificial turf to be embedded with sand is embedded with sand to manufacture the artificial turf embedded with sand, and the process is as follows:
(1) sand selection: selecting natural sand with about 40 meshes and soil content of 0 as first-grade natural sand;
(2) providing a smooth bottom surface, fixing the artificial lawn to be embedded with sand on the smooth bottom surface, and enabling the surface provided with the grass silk layer 2 to face back to the smooth bottom surface;
(3) paving primary natural sand on one surface of the artificial lawn, which is provided with the grass filament layer 2, by adopting a short-shaft sand paving machine with the sand paving width of 50cm, and paving sand for 5 times by adopting the short-shaft sand paving machine in the direction vertical to the surface of the base cloth 1 of the artificial lawn in the paving process; then, rubbing sand by using a steel brush to brush the primary natural sand paved on the artificial lawn flat, so as to realize surface leveling and form a basic sand layer; wherein, the sand laying amount of the primary natural sand meets the following requirements: the ratio of the mass of the formed base sand layer to the area of the artificial turf was 47 kg: 1m 2 ；
(4) Paving secondary natural sand by adopting a sand paving machine with a sand paving width of 50 cm; wherein, the secondary natural sand is prepared by the natural sand raw material of 20-40 meshes through laser dyeing, and the color of the secondary natural sand is basically consistent with the color of the grass fiber yarn 200 of the artificial lawn;
(6) the method comprises the following steps of (1) paving a turf blanket with one surface provided with the bent silk grass on the surface of an artificial turf paved with secondary natural sand, enabling the surface provided with the bent silk grass of the turf blanket to face the artificial turf, repeatedly pulling the turf blanket for multiple times, and enabling the secondary natural sand surface paved on the surface of a basic sand layer to be flat by pulling the turf blanket to form a fine sand surface layer; then taking off the turf carpet to obtain the sand-embedded artificial lawn; wherein the height H of the grass silk layer 2 is controlled 1 Not less than height H of natural sand layer 2 (i.e., the total height of the sand bed formed by the base sand layer and the fine sand surface layer) by a difference of 0 to 1mm (i.e., 0. ltoreq. H) 1 -H 2 ≤1mm)。
The manufactured sand-inlaid artificial turf has the performances of high smoothness, low rebound elasticity and the like, the rolling performance of the golf ball on the sand-inlaid artificial turf is tested by adopting the green velocimeter, and the result shows that the number of rolling feet of the golf ball on the sand-inlaid artificial turf is about 14-16 feet, so that the moving requirements of the golf ball on the green turf and the like can be better matched.
The embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A preparation method of the sand-embedded artificial lawn is characterized by comprising the following steps:
(I) laying primary natural sand of 30-50 meshes on one surface of the artificial lawn provided with the grass silk layer to form a basic sand layer; wherein the grass layer comprises straight grass;
(II) paving 20-40 meshes of secondary natural sand on the surface of the basic sand layer to form a fine sand surface layer, and thus obtaining the sand-embedded artificial lawn.
2. The method for manufacturing a sand-inlaid artificial lawn according to claim 1, wherein said primary natural sand has a soil content of substantially 0.
3. The method for preparing a sand-inlaid artificial lawn according to claim 1, wherein the ratio of the mass of said base sand layer to the area of said artificial lawn is (42-52) kg: 1m 2 。
4. The method as claimed in claim 1 or 3, wherein in the step (I), after the primary natural sand of 30-50 meshes is laid on the surface of the artificial lawn provided with the grass filament layer, the surface of the artificial lawn on which the primary natural sand is laid is fully leveled by the steel brush to form the base sand layer.
5. The method for preparing a sand-inlaid artificial lawn according to claim 1, wherein the color of said secondary natural sand substantially coincides with the color of the turf layer of said artificial lawn.
6. The method for manufacturing an artificial turf embedded with sand as claimed in claim 1 or 5, wherein in the step (II), after the secondary natural sand of 20-40 mesh is laid on the surface of the base sand layer, a turf carpet with one side provided with the varicose grass is laid on the surface of the artificial turf laid with the secondary natural sand, and the side provided with the varicose grass of the turf carpet faces the artificial turf, and then the turf carpet is pulled, so that the secondary natural sand surface laid on the surface of the base sand layer is flattened by the pulling to form the fine sand surface layer; and then taking down the turf blanket to obtain the sand-embedded artificial lawn.
7. The method for preparing a sand-inlaid artificial lawn according to claim 1, wherein the primary natural sand is laid on the surface of the artificial lawn provided with the grass filament layer by using a sand-laying machine with a sand-laying width of 40-70 cm; and/or paving 20-40-mesh secondary natural sand on the surface of the base sand layer by adopting a sand paving machine with a sand paving width of 40-70 cm.
8. The method for preparing a sand-inlaid artificial lawn according to claim 1, wherein said layer of grass filaments has a height H 1 The total height of the sand layer consisting of the base sand layer and the fine sand surface layer is H 2 ，0≤H 1 -H 2 ≤1mm。
9. An embedded sand artificial turf, characterized in that it is produced according to the method for producing an embedded sand artificial turf as claimed in any one of claims 1 to 8.
10. Use of the sand-inlaid artificial turf of claim 9 on a golf course green.
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| CN202210336302.0A CN115029990A (en) | 2022-03-31 | 2022-03-31 | Sand-embedded artificial lawn and preparation method and application thereof |
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| CN202210336302.0A CN115029990A (en) | 2022-03-31 | 2022-03-31 | Sand-embedded artificial lawn and preparation method and application thereof |
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