KR101655963B1

KR101655963B1 - A floating structure on the water with anti-fouling and Non-slip effect

Info

Publication number: KR101655963B1
Application number: KR1020160018173A
Authority: KR
Inventors: 이현상
Original assignee: 주식회사 지주; (주)오앤오
Priority date: 2016-02-17
Filing date: 2016-02-17
Publication date: 2016-09-09

Abstract

The present invention relates to a floating type floating structure (200) having an anti-fouling function and a slip prevention function, and in particular, a plurality of sets of the floating structure units (100) are arranged in the lateral direction, The members are joined to each other by heat fusion or by a fastening member to form a single structure. The water structure unit (100) comprises a buoyancy tube (20) formed by extruding and molding a resin composition containing polyethylene into a cylindrical shape and having a rotation preventing projection (22) on its outer circumference; The buoyancy pipe 20 is provided on the outer periphery thereof with a plurality of pedestal member mounting grooves at its upper end. A plurality of coupling protrusions 33 are provided on one sidewall thereof. The coupling protrusions 33 At least one support bracket (30) formed with an engagement hole (34) corresponding to the support bracket (30); And a plurality of foot members (10) which are mounted on the support brackets (30) one by one for each foot member installation groove of the support bracket (30) and fixed to the support bracket (30)
The buoyancy pipe (20) comprises 45 to 80% by weight of polyethylene as a base resin; 1 to 10% by weight of a formaldehyde-based copolymer as an antifouling agent; 10 to 40% by weight of an inorganic filler as a flame retardant; And 1 to 10% by weight of a silicone polymer for imparting a stable abrasion resistance to the antifouling agent by promoting the self-polishing function of the antifouling agent.

Description

[0001] The present invention relates to a floating structure having anti-fouling function and anti-slip function,

The present invention relates to a floating structure which is floated on the surface of fresh water or seawater, such as a floating structure such as a floating bridge, a barge, a cage farm, a ship mooring facility, a water pension, .

Currently, a variety of floating aquifer structures are installed along the freshwater or sea level or along the waterfront. Such a water structure is known as a mooring facility disclosed in Patent Document 1, for example.

In the marine structure disclosed in Patent Document 1 below, a buoyant body made by joining a buoyant pipe having a certain length formed by extrusion molding with polyethylene in a longitudinal direction by a plurality of heat fusion bonding is used. The buoyant pipe is inserted into a lower hole of the connection bracket And is supported by a connection bracket. A plurality of foot plates made of a generally square pipe are continuously arranged on the upper surface of the connection bracket in a transverse direction and fixed to the connection bracket by fastening means such as a bolt or the like.

However, the above-described conventional water structure has various problems in the environment where it is installed to be floated on the water surface at all times. In the case of buoyant pipes, they come into contact with water for a long time on the water surface, so that crustaceans and shellfish are attached to the surface as well as adherent algae. When such surface-adhered creatures adhere to the surface of the buoyancy tube, corrosion of the structure is promoted, thereby decreasing durability and increasing the weight of the structure, thereby gradually reducing the buoyancy. In order to solve these problems, most of them have been coated with antifouling paints on the flooded areas of the water structures. However, the coated antifouling paints need to be repaired periodically due to the fact that they are peeled off from the water structure over time. However, in the water-borne structure, the portion requiring the repair work of the antifouling paint is flooded, so that the repair work is not easy.

Further, in the case of the foot member, there is a disadvantage that it is difficult to walk on the foot member due to being slippery since the surface is always wet with water. In order to solve such a problem, conventionally, when forming a foot member, anti-slip irregularities are formed on the surface. However, since the unevenness of the surface of the foot member is made of the same material as that of the foot member, that is, made of polyethylene resin, there is a problem that abrasion is easily occurred and the life span is short and the slip prevention function can not be sufficiently exhibited after a lapse of time.

10-1359523 B1

Accordingly, the present invention has been devised to solve the disadvantages of the conventional water structure, and it has an improved anti-fouling performance without using an antifouling paint on a component that is always immersed in water, and a slip prevention function The purpose is to provide a water structure together.

To achieve the above object, the present invention provides a water-

And a plurality of aquaplane units arranged continuously in the transverse direction and joined or joined to each other so as to adjoin each other,

A buoyancy pipe formed by extruding a resin composition containing polyethylene and having at least one rotation preventive protrusion formed by extrusion in the longitudinal direction on an outer circumferential surface thereof; The buoyancy pipe is provided on the outer periphery of the buoyancy pipe so that the anti-rotation protrusions of the buoyancy pipe are fitted in the coupling grooves in a shape-fit manner. The upper end of the buoyancy pipe has a plurality of stepped member mounting grooves each having a constant width. At least one supporting bracket provided with a plurality of coupling projections and having opposite engaging holes corresponding to the coupling projections adjacent in the lateral direction on the opposite side walls; And a plurality of foot members which are mounted on the foot member mounting grooves of the support bracket and fixed to the support bracket by a fixing bolt.

In order to impart an antifouling function to the buoyancy pipe, the present invention is molded by extruding a resin composition obtained by mixing an antifouling agent with polyethylene. The resin composition for buoyancy tube comprises 45 to 80% by weight of polyethylene as a base resin; 1 to 10% by weight of a formaldehyde-based copolymer as an antifouling agent; 10 to 40% by weight of an inorganic filler; 1 to 10% by weight of a silicone polymer for promoting the self-polishing function of the antifouling agent to impart a stable wear rate to the antifouling agent; 1 to 5% by weight of an antioxidant; And 1 to 5% by weight of a UV stabilizer are extruded and molded.

Here, the formaldehyde copolymer used as the antifouling agent is mixed with polyethylene, which is a base resin, as a material for preventing adhesion and growth of adherent organisms such as barnacles, shellfishes, seaweeds and the like on the outer surface of the finally formed buoyancy tube .

The silicone polymer is a polymer material that promotes the self-polishing function of the antifouling agent mixed with polyethylene and provides a stable wear rate of the antifouling agent.

Antioxidants and UV stabilizers are extrudable polymers and serve to minimize the loss of compatibility with the antifouling agent and loss of function.

In the case of the present invention, since the antifouling agent is contained in the active ingredient polyethylene in the raw material blending step before the buoyancy tube is formed by extrusion, The antifouling performance is given to the buoyancy pipe semi-permanently without peeling of the antifouling paint from the surface of the buoyancy pipe.

The foot plate member may have a rectangular cross-sectional shape having a predetermined width and height, and may include a hollow square pipe formed by extruding polyethylene so as to have a plurality of hollows along its length in the longitudinal direction for weight reduction, a thermoplastic rubber, TPR ') as an active ingredient, and a non-slip layer laminated on the surface of the hollow square pipe. A plurality of anti-slip protrusions are formed on the surface of the anti-slip layer in a predetermined pattern.

The thermoplastic rubber of the anti-slip layer may include 45 to 60 parts by weight of low density polyethylene (LPDE); 20 to 40 parts by weight of styrene-ethylene-butylene-styrene block copolymer (SEBS); 13 to 25 parts by weight of oil; 5 to 10 parts by weight of calcium carbonate; And 35 to 40 parts by weight of a phosphorus flame retardant.

The phosphorus flame retardant is preferably a mixture of at least one selected from the group consisting of magnesium hydroxide, aluminum hydroxide and magnesium carbonate.

According to the present invention, since the buoyant pipe which is floated on the water surface and is always in contact with the water surface is formed by including the antifouling agent, it has an antifouling function and, furthermore, the antifouling agent, It is possible to provide the antifouling performance to the buoyant pipe semi-permanently without peeling off the antifouling paint on the surface of the buoyancy pipe after a lapse of a predetermined time as in the case of coating the antifouling paint on the surface after forming the buoyancy pipe. .

In addition, the slip prevention layer formed of the thermoplastic rubber is provided on the foot member of the water structure, which is always exposed to the aquatic environment, so that the operator or the walker can safely walk and work on the water structure.

The thermoplastic rubber used as the material of the anti-slip layer is excellent in adhesiveness only by extrusion molding into the base pipe of the foot member without the vulcanization step, and wear resistance or durability is ensured even for a long time of use. Further, since the thermoplastic rubber can be bonded to the surface of the hollow square pipe of the PE material which is the base pipe by secondary extrusion, the production process is simple and the production cost can be reduced.

Particularly, the foot member having the slip prevention function of the present invention is excellent as a slip prevention function in comparison with the case where embossed protrusions are formed on a square pipe of a PE material, so that it is suitable as a foot member for a water structure that contacts water for a long time.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a general perspective view of a water structure according to the present invention;
2 is a front view of the water structure.
3 is a plan view of the aquatic structure.
4 is a side view of the water structure.
5 is a partial perspective view of a water structure unit constituting a water structure.
Fig. 6 is a front view of the aquatic structure unit of Fig. 5;
7 is a perspective view of the foot member.
Fig. 8 is an enlarged view of a front face of the foot member of Fig. 7;
9 is a view schematically showing a manufacturing process of a foot member of a water structure.
10 is a perspective view showing an apparatus for forming an anti-slip layer of a foot member in a foot plate member manufacturing apparatus.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIGS. 1 to 4 show a perspective view, a front view, a plan view, and a side view, respectively, of a water structure. FIG. 5 is a partial perspective view showing a schematic structure of a water structure unit constituting a water structure.

As shown in FIGS. 1 to 4, the water structure 200 of the present invention includes a plurality of the water structure units 100 arranged in the lateral direction, and adjacent ones of the adjacent water structure units 100 And they are bonded to each other by heat fusion or by a fastening member to form a single structure.

In this embodiment, an example in which three sets of the water structure units 100 are arranged in the lateral direction as an example, and the adjacent members of the adjacent water structure units 100 are integrally connected to each other to constitute a water structure. However, the present invention is not limited to this, and includes a water structure 200 of various shapes and sizes by increasing or decreasing the number of the water structure units 100 according to the use.

5 and 6, the augmented structure unit 100 is formed by extruding and molding a resin composition obtained by mixing polyethylene with an antifouling agent into a cylinder having a predetermined length, and forming at least one pair of anti- A buoyancy tube (20) in which the projection (22) is formed in the longitudinal direction; The buoyancy pipe 20 is installed on the outer periphery of the buoyancy pipe 20 so that the rotation preventing protrusions 22 of the buoyancy pipe 20 fit into the coupling groove 32 in a fitting manner. A plurality of coupling protrusions 33 arranged at regular intervals on one sidewall and at least one support 33 having coupling holes 34 corresponding to the coupling protrusions 33 transversely adjacent to the opposite sidewalls, A bracket 30; And a plurality of foot members (10) mounted on the support brackets (30), one for each foot member installation groove of the support bracket (30) and fixed to the support bracket (30) with a fixing bolt.

The buoyant pipe 20 may be formed as a single buoyant pipe having a predetermined length by cutting the extruded pipe by a required length. Alternatively, as shown in FIGS. 1 and 4, It is also possible to arrange a plurality of adjacent front end faces 25 to be joined together. The buoyancy pipe (20) is coupled with the finishing caps (21, 23) at both ends thereof to seal the inner space.

The buoyancy pipe (20) is formed by extruding a resin composition obtained by mixing an antifouling agent with polyethylene. The resin composition for buoyancy tube comprises 45 to 80% by weight of polyethylene as a base resin; 1 to 10% by weight of a formaldehyde-based copolymer as an antifouling agent; 10 to 40% by weight of an inorganic filler; 1 to 10% by weight of a silicone polymer for promoting the self-polishing function of the antifouling agent to impart a stable wear rate to the antifouling agent; 1 to 5% by weight of an antioxidant; And 1 to 5% by weight of a UV stabilizer are extruded and molded.

Since the anti-fouling component is included in the polyethylene, which is an effective component in the raw material blending step before the buoyancy pipe 20 is molded by extrusion, The antifouling performance is given to the buoyancy pipe semi-permanently without peeling of the antifouling paint from the surface of the buoyancy pipe.

The frames (40, 41) are coupled to one side of the support bracket (30). These frames (40, 41) serve to cushion impacts and prevent breakage upon contact with the ship. The support bracket 30 and the frames 40 and 41 are formed by extruding a resin composition having the same composition as that of the resin composition of the buoyancy pipe 20 so as to impart an antifouling function to the buoyancy pipe 20 .

7 and 8, the foot member 10 includes a hollow square pipe 11 formed of a PE and an anti-slip layer (not shown) joined to the upper surface of the hollow square pipe 11, 12). The square pipe 11 has a rectangular cross-sectional shape and is made by extrusion-molding polyethylene so as to have a plurality of hollows along its length in order to reduce weight.

The anti-slip layer 12 is extruded in the form of a thin sheet using a thermoplastic rubber (TPR), attached to the upper surface of the square pipe 11, and has a plurality of And a slip prevention projection (13).

The anti-slip layer 12 may include 45 to 60 parts by weight of low density polyethylene (LPDE); And 20 to 40 parts by weight of a styrene-ethylene-butylene-styrene block copolymer (SEBS) are extruded on the upper surface of the square pipe 11. The anti-slip layer 12 formed on the surface of the square pipe 11 by this TPR is excellent in weatherability and abrasion resistance, lightweight than general rubber, excellent in elasticity and restoring force, and excellent in anti-slip function. In particular, the anti-slip layer 12 of the TPR material has an advantage of excellent adhesion to PE.

Hereinafter, an apparatus and a method for manufacturing the foot member 10 having a slip prevention function will be described with reference to Figs. 9 and 10. Fig.

As shown in FIG. 9, a method of manufacturing a foot member according to the present invention comprises: a raw material melting step (S1) of initially feeding and melting conventional PE into a raw material injector; (S2) of injecting the molten PE in the raw material melting step (S1) into an extrusion mold and extruding the hollow square pipe (11) having a rectangular cross section; A vacuum / cooling step (S3, S4) for vacuum / cooling while passing the extruded square pipe (11) through a vacuum / cooling water tank; The molten TPR is extruded through the secondary extruder 302 on the surface of the square pipe 11 while passing through the secondary extrusion vise 301 while passing the molded square pipe 11 through the vacuum / And a hot air stream is blown into the non-skid layer 12 by the hot air blower 303 to pressurize the non-skid layer 12 by the pattern forming roller 305 and the support roller 306 while softening the anti- (S5) a non-slip protrusion on the surface of the pattern forming roller (12) in the same pattern as the pattern provided on the outer circumferential surface of the pattern forming roller (305); (S6) cooling the square pipe (11) with the anti-slip layer (12) through a cooling water bath; A step (S7) of pulling and winding the cooled square pipe (11) on a certain winding roller; And cutting a predetermined length into a single foot member 10 (S8).

Fig. 10 shows an apparatus for forming the anti-slip layer on the foot member 10 of the present invention. The slip prevention layer forming apparatus of the foot member includes a vise 301 for passing the cooled square pipe 11 and a secondary extrusion apparatus 302 for forming a slip prevention layer 12 by extruding TPR on the surface of the square pipe 11 And a non-slippery protrusion 13 (see FIG. 1) formed on the surface of the anti-slip layer 12 by pressing the anti-slip layer 12 softened by hot air, And a cooling water tank 307 for spraying cooling water to the anti-slip layer 12 on which the anti-slip protrusion 13 is formed for cooling.

As shown in FIG. 10, the apparatus for manufacturing the non-skid floor member includes a vise for passing a square pipe formed in the extruder, and a secondary pipe for extruding the TPR on the surface of the square pipe to join the non- A pattern forming roller for pressing the non-slip layer softened by the hot hot air to form a non-slip protrusion on the surface of the anti-slip layer; and a pressing roller for pressing the anti-slip layer against the non-slip layer, .

The foot member of the water structure of the present invention comprises a raw material melting step of injecting PE into a raw material injector and melting the raw material; A step of extruding a hollow square pipe having a rectangular cross section by injecting molten PE in an extrusion mold in a raw material melting step; A vacuum / cooling step of vacuum / cooling while passing the extruded square pipe through a vacuum / cooling water bath; Forming a non-slip layer by passing molten TPR through a secondary extruder on the surface of a square pipe while passing a molded square pipe through a vise while passing through a vacuum / cooling step; And a step of spraying high-temperature hot air as hot air to the anti-slip layer to soften the anti-slip layer and press the anti-slip layer against the pattern-forming roller to form anti-slip protrusions on the anti-slip layer.

100: water structure unit 200: water structure
10: Foot member for anti-slip
11: hollow square pipe 12: non-slip layer
13: Slip prevention projection 20: Buoyancy tube
21: finishing cap 22: rotation preventing projection
23: Finishing cap 31: Buoyant pipe fitting hole
32: engaging groove 33: engaging projection
34: engaging hole 40, 41: frame

Claims

Floating structure 200,
The floating structure 200 may include a plurality of the structure units 100 disposed in the lateral direction so that adjacent members of the adjacent structure units 100 are joined to each other by heat fusion or by a fastening member, Respectively,
Each of the water structure units (100) comprises a buoyancy tube (20) formed by extruding a resin composition including polyethylene into a cylindrical shape and forming at least one pair of rotation preventing projections (22) in the longitudinal direction on its outer circumferential surface; The buoyancy pipe 20 is installed on the outer periphery of the buoyancy pipe 20 so that the rotation preventing protrusions 22 of the buoyancy pipe 20 are fitted into the coupling groove 32 in a fitting manner. A plurality of engaging projections 33 disposed at regular intervals along the vertical direction are provided on one side wall and engaging holes 34 corresponding to the engaging projections 33 adjacent to the transverse direction are formed on the opposite side wall At least one support bracket (30) formed; And a plurality of foot members (10) which are mounted on the support brackets (30) one by one for each foot member installation groove of the support bracket (30) and fixed to the support bracket (30)
The buoyancy pipe (20) comprises 45 to 80% by weight of polyethylene as a base resin; 1 to 10% by weight of a formaldehyde-based copolymer as an antifouling agent; 10 to 40% by weight of an inorganic filler; 1 to 10% by weight of a silicone polymer for promoting the self-polishing function of the antifouling agent to impart a stable wear rate to the antifouling agent; 1 to 5% by weight of an antioxidant; And 1 to 5% by weight of a UV stabilizer is produced by extrusion molding the resin composition.

The method according to claim 1,
The foot plate member 10 has a rectangular cross-sectional shape and has a hollow square pipe 11 extruded with polyethylene to have a plurality of hollows along its length in order to reduce the weight, a thermoplastic rubber TPR, And a slip prevention layer 12 laminated and bonded to the upper surface of the hollow square pipe 11. A plurality of slip prevention protrusions 13 are formed on the surface of the slip prevention layer 12 in a predetermined pattern Floating structure.

The thermoplastic rubber composition according to claim 2, wherein the thermoplastic rubber of the anti-slip layer comprises: 45 to 60 parts by weight of low density polyethylene (LPDE); 20 to 40 parts by weight of styrene-ethylene-butylene-styrene block copolymer (SEBS); 13 to 25 parts by weight of oil; 5 to 10 parts by weight of calcium carbonate; And 35 to 40 parts by weight of a phosphorus flame retardant.