CN101698424A

CN101698424A - Combined type fender

Info

Publication number: CN101698424A
Application number: CN200910208922A
Authority: CN
Inventors: 钟爱民
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-10-27
Filing date: 2009-10-27
Publication date: 2010-04-28

Abstract

The invention relates to a combined type fender, which is a protective device to be used in docks, shipping and oceanographic engineering. The combined type fender is characterized by consisting of a shell, a buffering protective layer and a liner. The combined type fender integrates the advantages of various fenders, has the characteristics of toughness, extrusion resistance, fatigue resistance, ageing resistance and long service life of a fender taking rubber as a buffering medium, and avoids the disadvantages that the weight is large, the fender cannot float on a water surface, energy absorption is less and counter-force is large; the combined type fender also has the advantages of light weight, convenient installation, large energy absorption, small counter-force and pricking resistance which are possessed by a fender taking a foaming material as the buffering medium, and avoids the disadvantages of slow response speed and short service life; and in addition, the combined type fender also has the advantages of light weight, convenient installation, large energy absorption, small counter-force, quick response speed, capability to backpressure adjustment on the energy absorption and the counter-force and the like which are possessed by an air inflation type fender taking gas as the buffering medium, and avoids the defects that the combined type fender is easy for pricking, aging and air leakage, and needs to be maintained frequently.

Description

Combined type fender

Technical field

The present invention relates to a kind of combined type fender, is the protective device of harbour, boats and ships, ocean engineering use.

Background technology

The fender product kind of using is more now, can be divided into hard rubber, expanded material (sponge) and gas on the version of its buffer medium.Cylindrical shape fender and cylinder two ends that picture is suspended on harbour, ship side are that the ball-shaped fender also is referred to as by ball, the cylindrical shape fender is to make with hard rubber, absorb the crash energy of boats and ships by rubber deformation, it is less that this fender absorbs the energy that impacts, counter-force is bigger, and weight is big, can be with the tidal level floating, and not too suitable for the marine site that tidal range is big.At the cylinder two ends is in the hemispheric fender, have plenty of filling expanded material do buffer medium, have plenty of with gas and do buffer medium, adopt the fender of these two kinds of buffer mediums to have in light weight, easy for installation, can swim on the water surface, it is well received to absorb energy advantage big, that counter-force is little, but also has defectives such as service life is short, it is slow that the expanded material of employing EVA is done the fender speed of response of buffer medium, elastic force is poor, and strength of material is low, is pulverized through rolling repeatedly easily; The fender of Puffer-type is easily punctured, the shell of fender, be made net with used tire and anchor chain in its outside and be protected in order to prevent that the Puffer-type fender from being punctured in extruding and the aging gas leakage of long-term Exposure to Sunlight meeting repeatedly, cost height, ugly again, and can injure the paint film of ship side.

Summary of the invention

Technical matters to be solved by this invention just provides a kind of combined type fender, overcome defective and deficiency that existing fender exists, the chief who collects various fenders keeps away its shortage, have in light weight, easy for installation, energy absorption is big, counter-force is little, the fender product of long service life.

The present invention is by the following technical solutions:

Be used for the combined type fender of protection such as harbour, boats and ships, ocean engineering, it is characterized in that: combined type fender is made of shell, buffer protection layer and inner bag.

The shell of combined type fender adopts rubber or plastic cement manufacturing, and in order to ensure the intensity of combined type fender, its shell is the version that skeleton is arranged, and the number of plies of skeleton is at least three layers.Requirement of strength to fender is high more, and diameter is big more, and the number of plies of its skeleton is also just many more, and the skeleton of the shell of combined type fender is three～Floor 12.

The framework material of the shell of described combined type fender can adopt the cord fabric of syntheticfibress such as polyamide fibre, polyester, viscose glue, or steel cord or glass fibre, carbon fiber, can use wherein a kind of of above-mentioned material, also can unite use by two or more materials.

The buffer protection layer of described combined type fender is an expanded material, is also referred to as foaming cotton or sponge, adopts the non-crosslinked hole-closing structure, and the expanded material of this structure can not absorb water.

The buffer protection layer of described combined type fender adopts the expanded material of rubber or plastic cement material, also can adopt the expanded material of materials such as EVA or EPE.

The inner bag of described combined type fender adopts rubber or plastic cement to make, and has better elastic and air-tightness.

Described combined type fender can adopt an inner bag or a plurality of inner bag combinations more than two, and a plurality of inner bag combinations are particularly suitable for large-scale fender.

The shell of described combined type fender can apply the protection glue-line, as the plastic cement or the neoprene of polyurethane or ethylene propylene diene rubber or poly-chloroprene rubber and so on, with the friction resistant, the ageing resistance that strengthen combined type fender with make it attractive in appearance.

The available protecting jacket in the outside of the shell of described combined type fender is protected.

Taper shape or semisphere or ellipsoidal head can be adopted in the two ends of described combined type fender.

The two ends of described combined type fender can be provided with the heaving pile flange, and the heaving pile flange is provided with ring fast.

Described combined type fender, the length-diameter ratio of combined type fender that adopts conical end socket be greater than 2, and the length-diameter ratio of combined type fender that adopts semisphere or ellipsoidal head is greater than 1.5.

Beneficial effect

The present invention--combined type fender, the chief who collects various fenders, have with rubber tough and tensile, anti-extrusion, endurance, the antiageing of the fender that is buffer medium, the characteristics of long service life, keep away again its weight big, can not swim in the water surface, energy-absorbing is less, counter-force is big drawback; Have again with the expanded material be buffer medium that fender had was in light weight, easy for installation, energy absorption is big, counter-force is little, be not afraid of the advantage of stabbing, and keeps away the drawback that its speed of response is slow, service life is short again; Also have with gas be buffer medium that the Puffer-type fender had was in light weight, easy for installation, energy absorption is big, counter-force is little, speed of response is fast, energy absorption and counter-force can be by strong points such as back pressure adjustment, can keep away again that its fearness is stabbed, fearing old age, easily gas leakage, need the defective often safeguarded.

The function of each Structural layer of combined type fender is oversimplified, and is the key factor that improves its Combination property.Tough and tensile shell makes that fender is wear-resistant, anti-extrusion, anti tear, antiageing, needn't scruple its air-tightness, if at the protection glue-line of its outside coating as polyurethane or Ethylene Propylene Terpolymer or chlorine dibutyl glue kinds, make its performance more superior, the color of adding some points again, allow fender is changed over stupidly, big, black, thick ugly face, also improved the ability of anti-ultraviolet aging; If apply the lower material of some friction coefficient again, can protect the paint film and the shearing force that reduces fender of ship side.Can slough the grille guard of forming into the used tire and the anchor chain of protection fender like this.

The buffer protection layer of combined type fender adopts the expanded material of rubber or plastic cement material, its intensity, elasticity, anti-extrusion and strength at repeated alternation all are higher than the expanded material of plastic materials such as EVA, EPE, and can tolerate-30～100 ℃ of ambient temperatures, the expanded material that also is better than plastic materials such as EVA, EPE, but its density is about 0.2g/cm ³More than, much larger than EVA, EPE expanded material, the volume of large-scale fender often has tens cubic meters even tens of cubic meter, if adopt simple rubber or plastic foam material filling fender, its weight is too big, in the middle inflatable bladder of packing into of these expanded materials, just can alleviate its weight greatly, and can improve speed of response.

The buffer protection layer of combined type fender adopts the expanded material of rubber or plastic cement material to adopt the non-crosslinked hole-closing structure, and the sponge of this structure can not absorb water, even if the shell of fender is punctured, can not influence the performance of fender yet.Such buffer protection layer thickness is greater than 20cm, and inner bag is wrapped in the inside, is protecting inner bag can not stabbed, and also can not wear out.Inner bag adopts the good butyl rubber manufacturing of air-tightness, when fender is subjected to clashing into, impulse force is passed to inner bag equably by the buffer protection layer, and the distortion by buffer protection layer and inner bag has absorbed energy.Because the stress condition and the environmental conditions of inner bag are good, so inner bag is difficult for gas leakage.Simultaneously; inner bag has also been protected the buffer protection layer; because the modulus of shearing of the gas in the inner bag is almost nil; distortion is big; alleviated the suffered shearing force of buffer protection layer greatly,, also made the fender of buffer medium its service life far above this material of simple usefulness even if adopted the expanded material of plastic materials such as the relatively poor EVA of intensity, EPE to do the buffer protection layer; thereby the service life of combined type fender be the more than ten years, and maintenance cost is lower.As the inflatable fender, energy absorption and the counter-force that can come the conversion combined type fender by the air pressure of adjusting inner bag.

The invention will be further described below in conjunction with drawings and Examples:

Description of drawings

Accompanying drawing is the structural representation of combined type fender of the present invention;

Among the figure: the 1st, shell, the 2nd, buffer protection layer, the 3rd, inner bag, the 4th, charging connector, the 5th, heaving pile flange.

The specific embodiment

Embodiment 1, as shown in the figure, is used for the combined type fender of protection such as harbour, boats and ships, ocean engineering, be by shell 1, buffer protection layer 2, inner bag 3 constitutes, and charging connector 4 is arranged on the inner bag 3, the two ends of fender are provided with heaving pile flange 5, also are provided with ring fast etc. above the heaving pile flange 5.The total length of fender is 3m.Diameter is 2m, and its length-diameter ratio is 1.5, and balloon ends adopts hemispherical head.The shell of fender contains three layers of kiss-coating steel cord framework material with rubber or plastic cement manufacturing, and it is the protective layer of 6mm light slate gray PU that case surface has applied thickness; The buffer protection layer 2 of fender adopts the rubber expanded material of non-crosslinked hole-closing structure, and thickness is 350mm, and its density is 0.302g/cm ³, 33 ° of hardness (Shao Er A type), tensile strength is not less than 2.2MPa, and tear strength is not less than 2MPa, flex crack 100,000 times; The inner bag 3 of fender adopts the good butyl rubber of air-tightness to make, and to the inner bag air feed, air pressure can obtain different energy absorption of fender and counter-force by the back pressure of adjusting inner bag as required between 0.04～0.085MPa by charging connector 4.The environment for use temperature of fender is-30～100 ℃, and design service life is 15 years.

Embodiment 2, and as shown in the figure, huge combined type fender is by shell 1, buffer protection layer 2, and inner bag 3 constitutes, and charging connector 4 is arranged on the inner bag 3, and the two ends of fender are provided with heaving pile flange 5, also are provided with ring fast etc. above the heaving pile flange 5.The total length of fender is 5m, and diameter is 3m, and its length-diameter ratio is 1.67, and balloon ends adopts ellipsoidal head.The shell of fender contains Floor 12 kiss-coating polyamide cord fabric framework material with rubber or plastic cement manufacturing, and it is the protective layer of 4mm silver gray poly-chloroprene rubber that case surface has applied thickness; The buffer protection layer 2 of fender adopts the rubber expanded material of non-crosslinked hole-closing structure, and thickness is 500mm, and its density is 0.26g/cm ³, 30 ° of hardness (Shao Er A type), tensile strength is not less than 1.8MPa, and tear strength is not less than 1.5MPa, elasticity 40%, flex crack 120,000 times; The inner bag 3 of fender adopts the good butyl rubber of air-tightness to make, and to the inner bag air feed, air pressure can obtain different energy absorption of fender and counter-force by the back pressure of adjusting inner bag as required between 0.04～0.085MPa by charging connector 4.

Claims

1. be used for the combined type fender of protection such as harbour, boats and ships, ocean engineering, it is characterized in that: combined type fender is made of shell, buffer protection layer and inner bag.

2. combined type fender according to claim 1 is characterized in that: the shell of combined type fender adopts rubber or plastic cement manufacturing, and in order to ensure the intensity of combined type fender, its shell is the version that skeleton is arranged, and the number of plies of skeleton is at least three layers.

3. combined type fender according to claim 1 and 2 is characterized in that: the skeleton of the shell of combined type fender is three～Floor 12.

4. according to claim 1,2,3 one of them described combined type fender, it is characterized in that: the framework material of the shell of combined type fender can adopt the cord fabric of syntheticfibress such as polyamide fibre, polyester, viscose glue, or steel cord or glass fibre, carbon fiber, can use wherein a kind of of above-mentioned material, also can unite use by two or more materials.

5. combined type fender according to claim 1 is characterized in that: the buffer protection layer of combined type fender is an expanded material, adopts the non-crosslinked hole-closing structure.

6. combined type fender according to claim 1 or 5, it is characterized in that: the buffer protection layer of combined type fender adopts the expanded material of rubber or plastic cement material, also can adopt the expanded material of EVA or EPE material.

7. combined type fender according to claim 1 is characterized in that: the inner bag of combined type fender adopts rubber or plastic cement to make, and has better elastic and air-tightness.

8. combined type fender according to claim 1 and 2, it is characterized in that: the shell of combined type fender can apply the protection glue-line, as the plastic cement or the neoprene of polyurethane or ethylene propylene diene rubber or poly-chloroprene rubber and so on, with the friction resistant, the ageing resistance that strengthen combined type fender with make it attractive in appearance.

9. combined type fender according to claim 1 is characterized in that: taper shape or semisphere or ellipsoidal head can be adopted in the two ends of combined type fender.

10. according to claim 1 or 9 described combined type fenders, it is characterized in that: the length-diameter ratio of combined type fender that adopts conical end socket is greater than 2, and the length-diameter ratio of combined type fender that adopts semisphere or ellipsoidal head is greater than 1.5.