CN204054813U - Flat hoisting belts - Google Patents
Flat hoisting belts Download PDFInfo
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- CN204054813U CN204054813U CN201420330844.8U CN201420330844U CN204054813U CN 204054813 U CN204054813 U CN 204054813U CN 201420330844 U CN201420330844 U CN 201420330844U CN 204054813 U CN204054813 U CN 204054813U
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Abstract
The utility model relate to a kind of flat hoisting belts, and described flat hoisting belts comprises: at least one deck Flat belt; Formation one enclosed construction is sewed up at described Flat belt head and the tail two ends, or the head and the tail two ends of described Flat belt are respectively equipped with suspension ring; Described Flat belt is obtained by the multiply yarn stock system of knitting, and per share yarn stock comprises at least one single thread, and every root single thread is collected by ultra-high molecular weight polyethylene film or band and forms or collect twisting and form.Described single thread is substituted traditional superhigh molecular weight polyethylene fibers and prepares flat hoisting belts by the technical scheme that the utility model provides, and the rate of utilization of strength of ultra-high molecular weight polyethylene film or band is high, is easy to processing, glue-free environmental protection and cost is low.
Description
Technical field
The utility model relates to macromolecular material application, particularly relates to a kind of flat hoisting belts.
Background technology
Hanging belt is subject to the favor of users deeply with its superior function.For adapting to Product Precision and appearance requirement, there is a kind of hoisting synthetic fiber belt, this hanging belt mainly with high-strength polyester, high-strength polyamide fibre or high-strength polypropylene fibre for raw material is prepared from, compared with steel wire rope hanging belt, hoisting synthetic fiber belt has following characteristics: 1) the light softness of hanging belt, is easy to operation, carrying and storage; 2) non-conductive, do not corrode; 3) do not damage hanging piece top layer (comprising skin of paint), hanging belt to human body without any reverse injury etc.It can not produce at product surface when can ensure common lifting and scratch and lifting vestige, and ensure Product Precision requirement, but this hoisting synthetic fiber belt strong alkali-acid resistance is poor, lower temperature resistance is poor, wear no resistance, the intensity of fiber own is low, it is large etc. to extend, be difficult to adapt to the requirement that large parts is more and more heavier, required precision is more and more higher, lifting environment is more and more harsher, as large-tonnage lifts the hoisting synthetic fiber belt needing diameter larger, this adds difficulty to manufacture, the weight of hanging belt own also increases to some extent, have impact on the development of handling cause.
Ultra-high molecular weight polyethylene (Ultra High Molecular Weight Polyethylene, be called for short UHMW-PE) fibre strength is large, modulus is high, density is little, wear-resistant, the hanging belt made is lightweight, intensity is high, long service life, wearability is good, can make up the shortcoming of hoisting synthetic fiber belt.
Prior art is for raw material with ultrahigh molecular weight polyethylene gel filament fiber.Because superhigh molecular weight polyethylene fibers is filament (about monofilament linear density 2.5 dawn), therefore prepare in the process of chemical fibre cable at the hydrogel filament fiber based on ultra-high molecular weight polyethylene, need to arrange respectively the fiber of multi-filament shape structure, complex process, cost is high, compare with hoisting synthetic fiber belt prepared by other materials, the market price is too high, is unfavorable for widespread adoption.In addition, preparing in the process of hoisting synthetic fiber belt based on superhigh molecular weight polyethylene fibers, fiber surface easily produces burr by friction, easily there is the phenomenons such as fracture of wire, distortion, winding in fiber, be unfavorable for the overall uniform stressed of plurality of fibers, cause the bulk strength of the chemical fibre cable obtained often lower than the overall strength of many superhigh molecular weight polyethylene fibers, rate of utilization of strength is lower.
Utility model content
Give hereinafter about brief overview of the present utility model, to provide about the basic comprehension in some of the present utility model.Should be appreciated that this general introduction is not summarize about exhaustive of the present utility model.It is not that intention determines key of the present utility model or pith, neither intended limitation scope of the present utility model.Its object is only provide some concept in simplified form, in this, as the preorder in greater detail discussed after a while.
The utility model provides a kind of flat hoisting belts, and described flat hoisting belts comprises:
At least one deck Flat belt; Formation one enclosed construction is sewed up at described Flat belt head and the tail two ends, or the head and the tail two ends of described Flat belt are respectively equipped with suspension ring;
Described Flat belt weaves obtained by multiply yarn stock, and per share yarn stock comprises at least one single thread, and every root single thread is collected by ultra-high molecular weight polyethylene film or band and forms or collect twisting and form.
Preferably, described Flat belt is multilayer, and multilayer Flat belt is stacked to be stitched into one.
Preferably, the head and the tail two ends of described Flat belt are respectively equipped with suspension ring, comprising: described Flat belt head and the tail two ends bend respectively to Flat belt mid portion and sew up, to form suspension ring respectively at two ends; Or described Flat belt head and the tail two ends are wound around suspension ring respectively and sew up, to connect suspension ring respectively at two ends.
Preferably, described ultra-high molecular weight polyethylene is the polyethylene of molecular weight more than 1,000,000; Described ultra-high molecular weight polyethylene film or band itself have certain width and thickness, are a kind of overall structures not having binding site or cutting line.
Preferably, single thread described in every root stretches direction by ultra-high molecular weight polyethylene film or band along its strand and collects and form or collect twisting and form.
Preferably, the relevant parameter of described ultra-high molecular weight polyethylene film meets: line density was more than or equal to for 5000 dawn; Width is more than or equal to 100mm; Thickness is less than or equal to 0.2mm; Fracture strength is more than or equal to 10 grams/dawn; Stretch modulus is more than or equal to 800 grams/dawn; Elongation at break is less than or equal to 6%.
Preferably, the thickness of described ultra-high molecular weight polyethylene film is 0.001-0.2mm, and fracture strength is 10-50 gram/dawn, and stretch modulus is 800-2600 gram/dawn, and elongation at break is 0.5-6%.
Preferably, the line density of described ultra-high molecular weight polyethylene film is the 5000-30000 dawn, and width is 100-400mm, and thickness is 0.005-0.15mm, and fracture strength is 12-48 gram/dawn, and stretch modulus is 1000-2500 gram/dawn, and elongation at break is 0.8-4%.
Preferably, the line density of described ultra-high molecular weight polyethylene film is the 5500-20000 dawn, and width is 105-300mm, and thickness is 0.008-0.12mm, and fracture strength is 15-45 gram/dawn, and stretch modulus is 1200-2500 gram/dawn, and elongation at break is 1-3%.
Preferably, the line density of described ultra-high molecular weight polyethylene film is the 6000-12000 dawn, and width is 110-220mm, and thickness is 0.01-0.1mm, and fracture strength is 16-42 gram/dawn, and stretch modulus is 1400-2400 gram/dawn, and elongation at break is 1.5-2.5%.
Preferably, the relevant parameter of described tapes of ultra high molecular weight polyethylene meets: line density was more than or equal to for 100 dawn, was less than for 5000 dawn; Width 1-100mm; Thickness is less than or equal to 0.2mm; Fracture strength is more than or equal to 10 grams/dawn; Stretch modulus is more than or equal to 800 grams/dawn; Elongation at break is less than or equal to 6%.
Preferably, described tapes of ultra high molecular weight polyethylene thickness is 0.001-0.2mm, and fracture strength is 10-50 gram/dawn, and stretch modulus is 800-2600 gram/dawn, and elongation at break is 0.5-6%.
Preferably, the line density of described tapes of ultra high molecular weight polyethylene is the 150-4000 dawn, and width is 2-90mm, and thickness is 0.003-0.1mm, and fracture strength is 12-48 gram/dawn, and stretch modulus is 1000-2500 gram/dawn, and elongation at break is 0.8-4%.
Preferably, the line density of described tapes of ultra high molecular weight polyethylene is the 200-3500 dawn, and width is 3-80mm, and thickness is 0.005-0.06mm, and fracture strength is 15-45 gram/dawn, and stretch modulus is 1200-2400 gram/dawn, and elongation at break is 1-3%.
Preferably, the line density of described tapes of ultra high molecular weight polyethylene is the 300-3000 dawn, and width is 5-60mm, and thickness is 0.008-0.03mm, and fracture strength is 16-42 gram/dawn, and stretch modulus is 1400-2400 gram/dawn, and elongation at break is 1.5-2.5%.
Preferably, the outer surface of described flat hoisting belts is also formed with urethane resin layer.
The technical scheme that the utility model provides will be collected the single thread forming or collect twisting by ultra-high molecular weight polyethylene film or band, substitute traditional superhigh molecular weight polyethylene fibers and prepare Flat belt, and prepare flat hoisting belts based on Flat belt, the rate of utilization of strength of ultra-high molecular weight polyethylene film or band is high, be easy to processing, glue-free environmental protection and cost is low.
By below in conjunction with the detailed description of accompanying drawing to embodiment of the present utility model, these and other advantage of the present utility model will be more obvious.
Accompanying drawing explanation
The utility model can be better understood by reference to hereinafter given by reference to the accompanying drawings description, wherein employs same or analogous Reference numeral in all of the figs to represent identical or similar parts.Described accompanying drawing comprises in this manual together with detailed description below and forms the part of this description, and is used for illustrating embodiment of the present utility model further and explaining principle and advantage of the present utility model.In the accompanying drawings:
The alternate configurations schematic diagram of the ultra-high molecular weight polyethylene film that Fig. 1 a provides for the utility model embodiment;
The alternate configurations schematic diagram of the tapes of ultra high molecular weight polyethylene that Fig. 1 b provides for the utility model embodiment;
The alternate configurations schematic diagram of the single thread after the film that Fig. 2 provides for the utility model embodiment or band collect;
Preparation method's flow chart of a kind of flat hoisting belts that Fig. 3 provides for the utility model embodiment;
The topology example of the Flat belt that Fig. 4 a provides for the utility model embodiment;
The topology example of the flat, annular hanging belt that Fig. 4 b provides for the utility model embodiment;
The topology example of the flat hoisting belts of the band suspension ring that Fig. 4 c provides for the utility model embodiment;
Preparation method's flow chart of the another kind of flat hoisting belts that Fig. 5 provides for the utility model embodiment
The element that it will be appreciated by those skilled in the art that in accompanying drawing be only used to simple and clear for the purpose of illustrate, and not necessarily to draw in proportion.Such as, in accompanying drawing, the size of some element may be exaggerated relative to other elements, to contribute to improving the understanding to the utility model embodiment.
Detailed description of the invention
To be described in detail one exemplary embodiment of the present utility model by reference to the accompanying drawings hereinafter.For clarity and conciseness, all features of actual embodiment are not described in the description.But, should understand, must make a lot specific to the decision of embodiment in the process of any this practical embodiments of exploitation, to realize the objectives of developer, such as, meet those restrictive conditions relevant to system and business, and these restrictive conditions may change to some extent along with the difference of embodiment.In addition, although will also be appreciated that development is likely very complicated and time-consuming, concerning the those skilled in the art having benefited from present disclosure, this development is only routine task.
At this, what also need some explanation is, in order to avoid the utility model fuzzy because of unnecessary details, merely depict in the drawings and in the description with according to the closely-related apparatus structure of scheme of the present utility model and/or treatment step, and eliminate to the utility model relation little, the expression of parts known to persons of ordinary skill in the art and process and description.
Ultra-high molecular weight polyethylene is the polyethylene of molecular weight more than 1,000,000.The conventional art of ultra-high molecular weight polyethylene application in chemical fibre lifting prepares various product based on superhigh molecular weight polyethylene fibers.The technical scheme that each embodiment of the utility model provides, the conventional art applied in chemical fibre lifts with ultra-high molecular weight polyethylene is essentially different, it is the revolutionary character innovation that conventional art is proposed, substitute by ultra-high molecular weight polyethylene film or band exploitation and the preparation that traditional ultra-high molecular weight fibers carries out Flat belt, its core concept mainly comprises:
(1) by ultra-high molecular weight polyethylene film or band, substitute the other materials comprising superhigh molecular weight polyethylene fibers, prepare single thread, that is: ultra-high molecular weight polyethylene film or band are collected or collected the obtained single thread of twisting.
(2) be one yarn stock using a described single thread as one yarn stock or many singles yarns, substitute with yarn stock the other materials comprising superhigh molecular weight polyethylene fibers and knit Flat belt processed, prepare flat hoisting belts by flat bringing again afterwards.
Wherein, as shown in Figure 1a, ultra-high molecular weight polyethylene film 101 is a kind of thin slices being become by ultrahigh molecular weight polyethylene, have one fixed width and thickness, and width is far longer than thickness.As shown in Figure 1 b, tapes of ultra high molecular weight polyethylene 102 independently can be prepared or can by the monolithic bar shaped thin slice by dividing cutting process to be formed before and after ultra-high molecular weight polyethylene film stretching, the width of band is less than the width of film, and thickness and film are quite or be greater than the thickness of film.
The ultra-high molecular weight polyethylene film that the utility model provides or band, different from superhigh molecular weight polyethylene fibers, from gluedd joint the plane formed by many superhigh molecular weight polyethylene fibers also different, their remarkable difference is: the ultra-high molecular weight polyethylene film that the utility model provides or band itself have certain width and thickness, is a kind of overall structure not having binding site or cutting line; Wherein: binding site is present in the different piece of band or film and glueds joint, sews up or position that hot pressing etc. is combined as a whole; Cutting line is generally present in the mid portion of band or film, and does not comprise its situation at band or edge, film both sides.
The single thread that each embodiment of the utility model provides obtains based on ultra-high molecular weight polyethylene film or band.In described single thread preparation process, ultra-high molecular weight polyethylene film or band are integrally carried out collect or collect twisting process, the single thread structural integrity that the method obtains is good, preparation technology is simple, eliminate the complicated technology that plurality of fibers silk is arranged respectively, the surface significantly reducing film or band produces the probability of burr, and also obviously the probability of the phenomenons such as fracture of wire, distortion, winding appears in reduction film or interior strips.Adopt many obtained single thread of the method to pool capital and make yarn stock, multiply yarn stock is knitted and makes Flat belt, when the flat hoisting belts that Flat belt is made carries load, it is overall stressed that ultra-high molecular weight polyethylene film or band collect each single thread forming or collect twisting, make the rate of utilization of strength of this flat hoisting belts often higher than the rate of utilization of strength of the chemical fibre ribbon adopting the superhigh molecular weight polyethylene fibers of same line density to prepare in conventional art, and the former cost is starkly lower than the latter, there is structural integrity good, intensity is high, rate of utilization of strength is high, production efficiency is high, processing cost is low, lightweight, surface density is little, the advantage such as flexible, wherein, rate of utilization of strength refers to the ratio (%) of the intensity of ultra-high molecular weight polyethylene film or bar alternate product and the intensity of ultra-high molecular weight polyethylene film or band itself.
Embodiment one
As shown in Figure 3, the present embodiment provides a kind of preparation method of flat hoisting belts, at least comprises the following steps:
Step S301: ultra-high molecular weight polyethylene film or band are collected or collects twisting, obtained single thread.
Step S302: be one yarn stock as one yarn stock or by many singles yarns using a single thread, system that multiply yarn stock is knitted and at least one deck Flat belt.
Step S303: described Flat belt head and the tail two ends are sewed up formation one enclosed construction or established suspension ring respectively at the head and the tail two ends of described Flat belt, obtains flat hoisting belts thus.
As shown in Figure 2, single thread 201 can be collected by ultra-high molecular weight polyethylene film or band and form in an alternate configurations signal of the single thread in step S301.One of ultra-high molecular weight polyethylene film or band preferably collects technical process such as: ultra-high molecular weight polyethylene film or band are placed on bobbin cradle and release, be wound up on tube core successively after thread guide mechanism, synnema mechanism.Obtained single thread has the advantages such as structural integrity is good, intensity is high, production efficiency is high, processing cost is low, lightweight, flexible.
Because described single thread is collected by ultra-high molecular weight polyethylene film or band to form, therefore the like product that glueds joint based on superhigh molecular weight polyethylene fibers of tradition relatively, described single thread also has the advantages such as glue-free, environmental protection.
In addition, preferably, in the preparation process of single thread, described ultra-high molecular weight polyethylene film or band can stretch direction along its strand and collect.Because ultra-high molecular weight polyethylene has linear structure, the intensity that ultra-high molecular weight polyethylene film or band stretch direction along its strand is maximum, therefore stretch direction along its strand and collect and prepare single thread, wherein, the strand of described ultra-high molecular weight polyethylene film or band stretches the longitudinal stretching direction that direction is ultra-high molecular weight polyethylene, after referring to that ultra-high molecular weight polyethylene is longitudinally stretched, the Impact direction along the longitudinal that its macromolecular chain is conscious and the direction that arranges.Such as: if the strand of certain ultra-high molecular weight polyethylene film or band stretches direction for its length direction, then this ultra-high molecular weight polyethylene film or band stretch after direction collects along its strand and be just formed as a single thread parallel with its length direction.Adopt the method can improve the intensity of single thread, also can reduce because collecting the loss processing and may cause the strength character of film or band, rate of utilization of strength is high.
Or preferably, the single thread in step S301 also can collect twisting by ultra-high molecular weight polyethylene film or band and form, first collect the obtained single thread of twisting again by ultra-high molecular weight polyethylene film or band.
After preparing single thread, can as described in step S302 using a single thread as one yarn stock, or many singles yarns are prepared yarn stock, yarn stock also can be described as rope strand.The implementation of plying is very flexible, can include but not limited to many single thread close parallel are arranged as one or twist be integrated, and the quantity of the single thread needed for plying can be determined according to actual needs, and the utility model does not limit this.Knitted by multiply yarn stock and make and obtain at least one deck Flat belt, the topology example of Flat belt 41 as shown in fig. 4 a.
Preferably, step S302 comprises: many described single thread are collected close parallel and be arranged as the obtained described yarn stock of one, knitted by multiply yarn stock-traders' know-how industrial looms and make and obtain at least one deck Flat belt.Adopt the program, per share yarn stock by many single thread collect be integrated obtained, the loss as far as possible reducing single end strength in technical process is conducive to by adopting the program, the hanging belt of the system of being knitted on industrial looms by obtained multiply yarn stock has higher rate of utilization of strength, and the program can utilize the less Flat belt number of plies, can obtain the flat hoisting belts compared with heavy thickness.Further, if carry out the surface treatments such as surface leaching polyaminoester emulsion to flat hoisting belts, then emulsion enters the probability increase of flat hoisting belts inside, the cohesive force between the different yarn stock of flat hoisting belts can be improved, improve flat hoisting belts brute force and uvioresistant, sea water corrosion resistant, increase hanging belt wearability, anti-cutting, improve hanging belt intensity and security, extend hanging belt service life.
Or preferably, step S302 comprises: many described single thread are collected twisting or twisting is integrated obtained described yarn stock, system that multiply yarn stock-traders' know-how industrial looms is knitted and at least one deck Flat belt.Adopt the program, per share described yarn stock collects twisting by many described single thread or twisting is integrated obtained, Flat belt is made by adopting the obtained multiply yarn stock-traders' know-how industrial looms of the program to knit, be conducive to the brute force improving Flat belt, improve presentation quality and structural integrity, and be conducive to the wearability, the resistance to corrosion seawater that improve the hanging belt prepared based on Flat belt, uvioresistant and antioxygenic property, extend hanging belt service life.
The implication of " flat " described in the utility model embodiment is a kind of rectangular configuration of fabric tape width direction size much larger than thickness direction size.The number of plies of the Flat belt required for flat hoisting belts can be determined according to actual needs, and the utility model does not limit.In order to the convenience of producing and obtain the moderate hanging belt of thickness, preferably, described flat hoisting belts is sewed up by simple squamous band, double-layer flat band or four layers of Flat belt and is formed.
Preferably, formation one enclosed construction can be sewed up in Flat belt head and the tail two ends, the flat hoisting belts prepared thus can be described as flat, annular hanging belt 42, as shown in Figure 4 b.Such as: when flat hoisting belts comprises simple squamous band, formation one enclosed construction is sewed up at the head and the tail two ends of this Flat belt; Or, when flat hoisting belts comprises multilayer Flat belt, stacked for multilayer Flat belt stitching is sewed up formation one enclosed construction in head and the tail two ends afterwards again.
Preferably, can be respectively equipped with suspension ring at the head and the tail two ends of Flat belt, the flat hoisting belts prepared thus can be described as the flat hoisting belts 43 of band suspension ring, as illustrated in fig. 4 c.
The material of suspension ring can be identical with the material of Flat belt, also can be different, and the utility model does not limit this.If the material of suspension ring is identical with the material of Flat belt, then on the basis of Flat belt, directly can form suspension ring.Such as: Flat belt head and the tail two ends can be bent respectively to Flat belt mid portion and sew up, to form suspension ring respectively at two ends.Program implementation is simple.
Or, in preparation method, also the two ends of Flat belt can be connected suspension ring respectively.Such as: described Flat belt head and the tail two ends are wound around suspension ring respectively and sew up, to connect suspension ring respectively at two ends.According to actual, the program can treat that lifting object specific aim chooses suspension ring, be combined by suspension ring reach more performance with Flat belt.
In the utility model embodiment " stitching " by but be not limited to industrial sewing machine and carry out, the utility model does not limit this.
The flat hoisting belts that the utility model embodiment provides is of many uses, can be applicable to the every field such as Aeronautics and Astronautics, nuclear power foundation, military project manufacture, port handling, electric device, machining, chemical industry iron and steel, shipbuilding, communications and transportation.
Preferably, the relevant parameter of the ultra-high molecular weight polyethylene film in the utility model in each embodiment meets: line density was more than or equal to for 5000 dawn; Width is more than or equal to 100mm; Thickness is less than or equal to 0.2mm; Fracture strength is more than or equal to 10 grams/dawn; Stretch modulus is more than or equal to 800 grams/dawn; Elongation at break is less than or equal to 6%.
Be preferred material based on choosing the ultra-high molecular weight polyethylene film with above-mentioned characteristic and adopt the above-mentioned single thread collecting or collect twisting method and prepare, such that the flat hoisting belts bulk strength prepared based on this single thread is higher, security is better.
Further, preferably, the thickness of described ultra-high molecular weight polyethylene film is 0.001-0.2mm, and fracture strength is 10-50 gram/dawn, and stretch modulus is 800-2600 gram/dawn, and elongation at break is 0.5-6%.
Preferably, the line density of described ultra-high molecular weight polyethylene film is the 5000-30000 dawn, and width is 100-400mm, and thickness is 0.005-0.15mm, and fracture strength is 12-48 gram/dawn, and stretch modulus is 1000-2500 gram/dawn, and elongation at break is 0.8-4%.
Preferably, the line density of described ultra-high molecular weight polyethylene film is the 5500-20000 dawn, and width is 105-300mm, and thickness is 0.008-0.12mm, and fracture strength is 15-45 gram/dawn, and stretch modulus is 1200-2500 gram/dawn, and elongation at break is 1-3%.
Preferably, the line density of described ultra-high molecular weight polyethylene film is the 6000-12000 dawn, and width is 110-220mm, and thickness is 0.01-0.1mm, and fracture strength is 16-42 gram/dawn, and stretch modulus is 1400-2400 gram/dawn, and elongation at break is 1.5-2.5%.
Preferably, the relevant parameter of the tapes of ultra high molecular weight polyethylene provided in each embodiment of the utility model meets: line density was more than or equal to for 100 dawn, was less than for 5000 dawn; Width 1-100mm; Thickness is less than or equal to 0.2mm; Fracture strength is more than or equal to 10 grams/dawn; Stretch modulus is more than or equal to 800 grams/dawn; Elongation at break is less than or equal to 6%.
Further, preferably, described tapes of ultra high molecular weight polyethylene thickness is 0.001-0.2mm, and fracture strength is 10-50 gram/dawn, and stretch modulus is 800-2600 gram/dawn, and elongation at break is 0.5-6%.
Preferably, the line density of described tapes of ultra high molecular weight polyethylene is the 150-4000 dawn, and width is 2-90mm, and thickness is 0.003-0.1mm, and fracture strength is 12-48 gram/dawn, and stretch modulus is 1000-2500 gram/dawn, and elongation at break is 0.8-4%.
Preferably, the line density of described tapes of ultra high molecular weight polyethylene is the 200-3500 dawn, and width is 3-80mm, and thickness is 0.005-0.06mm, and fracture strength is 15-45 gram/dawn, and stretch modulus is 1200-2400 gram/dawn, and elongation at break is 1-3%.
Preferably, the line density of described tapes of ultra high molecular weight polyethylene is the 300-3000 dawn, and width is 5-60mm, and thickness is 0.008-0.03mm, and fracture strength is 16-42 gram/dawn, and stretch modulus is 1400-2400 gram/dawn, and elongation at break is 1.5-2.5%.
Be preferred material based on choosing the tapes of ultra high molecular weight polyethylene with above-mentioned characteristic and adopt the above-mentioned single thread collecting or collect twisting method and prepare, such that the flat hoisting belts bulk strength prepared based on this single thread is higher, security is better.
In each embodiment of the utility model with ultra-high molecular weight polyethylene film or band for material, adopt the mode collecting or collect twisting to prepare single thread, prepare flat hoisting belts based on single thread.Due to ultra-high molecular weight polyethylene film or a kind of overall structure not having binding site or cutting line of band, differ from the filament of the superhigh molecular weight polyethylene fibers of prior art, therefore knit on industrial looms in Flat belt process processed is High molecular weight polyethylene film or band are integrally collected to prepare single thread, eliminate the complicated technology arranged respectively plurality of fibers silk, obviously there is the probability of the phenomenons such as fracture of wire, distortion, winding in reduction film or interior strips.
During the flat hoisting belts carrying load that each embodiment of the utility model provides, single thread after ultra-high molecular weight polyethylene film or band collect is overall stressed, make the rate of utilization of strength of this flat hoisting belts to ultra-high molecular weight polyethylene film or band high, and the former cost is starkly lower than the latter.In addition, also there is lightweight, corrosion-resistant, wear-resisting, the advantage such as uvioresistant, long service life, Portable belt.
Preferably, employing technique scheme can carry out surface treatment to flat hoisting belts surface, again to improve the overall performance of flat hoisting belts after knitting and obtaining flat hoisting belts.Such as, as shown in Figure 5, also comprise after step S303:
Step S304: flat hoisting belts is put into aqueous polyurethane resin emulsion, makes flat hoisting belts rope outer surface infiltrate aqueous polyurethane resin emulsion.
Step S305: the flat hoisting belts being infiltrated with aqueous polyurethane resin emulsion is carried out drying and shaping, forms urethane resin layer with the outer surface at this flat hoisting belts.
Described step S304 is equivalent to carry out surface coating process to flat hoisting belts, and described step S305 is equivalent to carry out drying and shaping process to the flat hoisting belts after surface treatment.Preferably, described aqueous polyurethane resin emulsion is 30%-60% containing solid mass percent (i.e. solid content, percentage by weight); And/or the temperature of described oven dry is between 50 DEG C-120 DEG C.After tested, through the coating process of above-mentioned surface and drying and shaping process, its performance has clear improvement, such as, after tested, as adopt resinous type be Belgian Lago series aqueous polyurethane resin emulsion, containing solid mass percent is 40%, the hanging belt being infiltrated with aqueous polyurethane resin emulsion is carried out drying and shaping at 80 DEG C, after tested, the hanging belt of process and drying and shaping process is coated with through above-mentioned surface, ultimate strength improves about 8-12%, flat hoisting belts wearability and anti-cutting can be increased, improve hanging belt intensity and security, extend hanging belt service life.
Embodiment three
The present embodiment provides a kind of hanging belt of flat bilayer zone suspension ring, and preparation method is as follows:
To line density 300 dawn, wide 3mm, thick 0.02mm, at the 28 grams/dawn of fracture strength, at the 1700 grams/dawn of stretch modulus, the tapes of ultra high molecular weight polyethylene of elongation at break 1.9% collects, obtained single thread.Using a single thread as one yarn stock, multiply yarn stock is knitted by industrial looms and makes a Flat belt.Knit the two-layer Flat belt of system, or a Flat belt is formed double-decker by modes such as folding, cut or be stacked, double-layer flat band is stitched into one through industrial sewing machine, afterwards by the double-layer flat band that is stitched into one integrally, its two ends respectively bending other parts that are rear and Flat belt are sewed up by industrial sewing machine, to form a suspension ring structure respectively at two ends, the hanging belt of obtained flat bilayer zone suspension ring thus, wherein, bandwidth 50mm, tape thickness 6mm, the long 200mm of suspension ring, the wide 25mm of suspension ring.
American I nstron SATEC series horizontal Material Testing Machine and JB/T8521.1 testing standard is adopted to carry out performance test to the hanging belt that the above method of the present embodiment obtains.After tested, the hanging belt that this enforcement testing standard is obtained to the above method of the present embodiment carries out performance test.After tested, the hanging belt that the above method of the present embodiment is obtained: if adopt single suspension ring to carry out testing load lifting, the i.e. suspension ring connecting test equipment of hanging belt one end, the suspension ring connecting test load (this kind of lifting mode is also referred to as " singly hanging ") of the other end, the maximal work load of hanging belt is 3t; If adopt two suspension ring to lift, i.e. the suspension ring at hanging belt two ends respectively connecting test equipment, testing load hangs in the middle part of hanging belt (this kind of lifting mode is also referred to as " U-shaped hang "), and the maximal work load of hanging belt is 6t.At the 16.8 grams/dawn of fracture strength of hanging belt, rate of utilization of strength is 50%.Wherein, the fracture strength of hanging belt refers to the line density of hanging belt ultimate strength divided by hanging belt.And ultimate strength refers to maximum, force when hanging belt is broken, this power is generally not less than 6 times of maximal work load.Maximal work load refers to maximum load during hanging belt vertical-lift, is also single limb hanging belt or combine the maximum load that many limbs hanging belt can bear when generally promoting operation.
Embodiment four
The present embodiment provides a kind of flat bilayer annular hanging belt, and preparation method is as follows:
To line density 2400 dawn, wide 24mm, thick 0.02mm, at the 28 grams/dawn of fracture strength, at the 1700 grams/dawn of stretch modulus, the tapes of ultra high molecular weight polyethylene of elongation at break 1.9% carries out collecting twisting, and twist with the fingers to being Z-direction, the twist is 15/meter, obtained single thread.Many single thread close parallel are arranged as one, one yarn stock obtained.Multiply yarn stock is knitted by industrial looms and makes a Flat belt.Knit the two-layer Flat belt of system, or a Flat belt is formed double-decker by modes such as folding, cut or be stacked, double-layer flat band is stitched into one through industrial sewing machine, afterwards by the double-layer flat band that is stitched into one integrally, its head and the tail two ends are sewed up by industrial sewing machine, thus the obtained annular hanging belt of flat bilayer, wherein, bandwidth 60mm, tape thickness 7mm.
American I nstron SATEC series horizontal Material Testing Machine and JB/T8521.1 (machinery industry standard braiding hoist cable security part 1: general service synthetic fibers flat hoisting belts) testing standard is adopted to carry out performance test to the hanging belt that the above method of the present embodiment obtains.After tested, the hanging belt that the above method of the present embodiment is obtained: if adopt one end to carry out testing load lifting, i.e. hanging belt one end connecting test equipment, other end connecting test load (this kind of lifting mode is hereinafter referred to as " singly hanging "), the maximal work load of hanging belt is 12t; If adopt two suspension ring to lift, i.e. the suspension ring at hanging belt two ends respectively connecting test equipment, testing load hangs in the middle part of hanging belt (this kind of lifting mode is hereinafter referred to as " U-shaped hang "), and the maximal work load of hanging belt is 24t.At the 18.4 grams/dawn of fracture strength of hanging belt, rate of utilization of strength is 55.4%.
Embodiment five
The present embodiment provides a kind of hanging belt of flat bilayer zone suspension ring, and preparation method is as follows:
To line density 6000 dawn, wide 108mm, thick 0.011mm, at the 26 grams/dawn of fracture strength, at the 1600 grams/dawn of stretch modulus, the ultra-high molecular weight polyethylene film of elongation at break 2.1% collects, obtained single thread.Using many single thread as one yarn stock, multiply yarn stock is knitted by industrial looms and makes a Flat belt.Knit the two-layer Flat belt of system, or a Flat belt is formed double-decker by modes such as folding, cut or be stacked, double-layer flat band is stitched into one through industrial sewing machine, afterwards by the double-layer flat band that is stitched into one integrally, its two ends respectively bending other parts that are rear and Flat belt are sewed up by industrial sewing machine, to form a suspension ring structure respectively at two ends, the hanging belt of obtained flat bilayer zone suspension ring thus, wherein, bandwidth 120mm, tape thickness 7mm, the long 425mm of suspension ring, the wide 40mm of suspension ring.
American I nstron SATEC series horizontal Material Testing Machine and JB/T8521.1 testing standard is adopted to carry out performance test to the hanging belt that the above method of the present embodiment obtains.After tested, the hanging belt that the above method of the present embodiment is obtained: if adopt single suspension ring to carry out testing load lifting, the i.e. suspension ring connecting test equipment of hanging belt one end, the suspension ring connecting test load (this kind of lifting mode is also referred to as " singly hanging ") of the other end, the maximal work load of hanging belt is 12t; If adopt two suspension ring to lift, i.e. the suspension ring at hanging belt two ends respectively connecting test equipment, testing load hangs in the middle part of hanging belt (this kind of lifting mode is also referred to as " U-shaped hang "), and the maximal work load of hanging belt is 24t.At the 16.2 grams/dawn of fracture strength of hanging belt, rate of utilization of strength is 52.7%.
Embodiment six
The present embodiment provides a kind of flat bilayer annular hanging belt, and preparation method is as follows:
To line density 10000 dawn, wide 180mm, thick 0.011mm, at the 26 grams/dawn of fracture strength, at the 1600 grams/dawn of stretch modulus, the ultra-high molecular weight polyethylene film of elongation at break 2.1% carries out collecting twisting, and twist with the fingers to being Z-direction, the twist is 15/meter, obtained single thread.Many single thread close parallel are arranged as one, one yarn stock obtained.Multiply yarn stock is knitted by industrial looms and makes a Flat belt.Knit the two-layer Flat belt of system, or a Flat belt is formed double-decker by modes such as folding, cut or be stacked, double-layer flat band is stitched into one through industrial sewing machine, afterwards by the double-layer flat band that is stitched into one integrally, its head and the tail two ends are sewed up by industrial sewing machine, thus the obtained annular hanging belt of flat bilayer, wherein, bandwidth 140mm, tape thickness 6mm.
American I nstron SATEC series horizontal Material Testing Machine and JB/T8521.1 testing standard is adopted to carry out performance test to the hanging belt that the above method of the present embodiment obtains.After tested, the hanging belt that the above method of the present embodiment is obtained: if adopt one end to carry out testing load lifting, i.e. hanging belt one end connecting test equipment, other end connecting test load (this kind of lifting mode is hereinafter referred to as " singly hanging "), the maximal work load of hanging belt is 18t; If adopt two suspension ring to lift, i.e. the suspension ring at hanging belt two ends respectively connecting test equipment, testing load hangs in the middle part of hanging belt (this kind of lifting mode is hereinafter referred to as " U-shaped hang "), and the maximal work load of hanging belt is 36t.At the 17.4 grams/dawn of fracture strength of hanging belt, rate of utilization of strength is 56.1%.
Embodiment seven
The present embodiment provides a kind of hanging belt of flat quadriply belt suspension ring, and preparation method is as follows:
To line density 12000 dawn, wide 220mm, thick 0.009mm, at the 40 grams/dawn of fracture strength, at the 2400 grams/dawn of stretch modulus, the ultra-high molecular weight polyethylene film of elongation at break 1.5% collects.Using a single thread as one yarn stock, multiply yarn stock is knitted by industrial looms and makes a Flat belt.Knit system four layers of Flat belt, or a Flat belt is formed four-layer structure by modes such as folding, cut or be stacked, four layers of Flat belt are stitched into one through industrial sewing machine, afterwards by four layers of Flat belt being stitched into one integrally, its two ends respectively bending other parts that are rear and Flat belt are sewed up by industrial sewing machine, to form a suspension ring structure respectively at two ends, the hanging belt of obtained flat quadriply belt suspension ring thus, wherein, bandwidth 180mm, tape thickness 14mm, the long 500mm of suspension ring, the wide 75mm of suspension ring.
American I nstron SATEC series horizontal Material Testing Machine and JB/T8521.1 testing standard is adopted to carry out performance test to the hanging belt that the above method of the present embodiment obtains.After tested, the hanging belt that the above method of the present embodiment is obtained: if adopt single suspension ring to carry out testing load lifting, the i.e. suspension ring connecting test equipment of hanging belt one end, the suspension ring connecting test load (this kind of lifting mode is also referred to as " singly hanging ") of the other end, the maximal work load of hanging belt is 40t; If adopt two suspension ring to lift, i.e. the suspension ring at hanging belt two ends respectively connecting test equipment, testing load hangs in the middle part of hanging belt (this kind of lifting mode is also referred to as " U-shaped hang "), and the maximal work load of hanging belt is 80t.At the 26 grams/dawn of fracture strength of hanging belt, rate of utilization of strength is 54.9%.
Embodiment eight
The present embodiment provides a kind of flat monolayer annular hanging belt, and preparation method is as follows:
To line density 4000 dawn, wide 60mm, thick 0.008mm, at the 42 grams/dawn of fracture strength, at the 2200 grams/dawn of stretch modulus, the tapes of ultra high molecular weight polyethylene of elongation at break 1.7% carries out collecting twisting.Twist with the fingers to being Z-direction, the twist is 15/meter, obtained single thread.Using a single thread as one yarn stock, multiply yarn stock is knitted by industrial looms and makes a Flat belt.Formation one enclosed construction is sewed up through industrial sewing machine in the head and the tail two ends of this Flat belt, thus obtained flat monolayer annular hanging belt, wherein, bandwidth 30mm, tape thickness 3.5mm.
American I nstron SATEC series horizontal Material Testing Machine and JB/T8521.1 testing standard is adopted to carry out performance test to the hanging belt that the above method of the present embodiment obtains.After tested, the hanging belt that the above method of the present embodiment is obtained: if adopt one end to carry out testing load lifting, i.e. hanging belt one end connecting test equipment, other end connecting test load (this kind of lifting mode is hereinafter referred to as " singly hanging "), the maximal work load of hanging belt is 4t; If adopt two suspension ring to lift, i.e. the suspension ring at hanging belt two ends respectively connecting test equipment, testing load hangs in the middle part of hanging belt (this kind of lifting mode is hereinafter referred to as " U-shaped hang "), and the maximal work load of hanging belt is 8t.At the 28.6 grams/dawn of fracture strength of hanging belt, rate of utilization of strength is 57.4%.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (16)
1. a flat hoisting belts, is characterized in that, comprising:
At least one deck Flat belt; Formation one enclosed construction is sewed up at described Flat belt head and the tail two ends, or the head and the tail two ends of described Flat belt are respectively equipped with suspension ring;
Described Flat belt is obtained by the multiply yarn stock system of knitting, and per share yarn stock comprises at least one single thread, and every root single thread is collected by ultra-high molecular weight polyethylene film or band and forms or collect twisting and form.
2. flat hoisting belts according to claim 1, is characterized in that, described Flat belt is multilayer, and multilayer Flat belt is stacked to be stitched into one.
3. flat hoisting belts according to claim 1, is characterized in that, the head and the tail two ends of described Flat belt are respectively equipped with suspension ring, comprising:
Described Flat belt head and the tail two ends bend respectively to Flat belt mid portion and sew up, to form suspension ring respectively at two ends; Or,
Described Flat belt head and the tail two ends are wound around suspension ring respectively and sew up, to connect suspension ring respectively at two ends.
4. flat hoisting belts according to claim 1, is characterized in that,
Described ultra-high molecular weight polyethylene is the polyethylene of molecular weight more than 1,000,000;
Described ultra-high molecular weight polyethylene film or band itself have certain width and thickness, are a kind of overall structures not having binding site or cutting line.
5. flat hoisting belts according to claim 1, is characterized in that, single thread described in every root stretches direction by ultra-high molecular weight polyethylene film or band along its strand and collects and form or collect twisting and form.
6. flat hoisting belts according to claim 1, is characterized in that, the relevant parameter of described ultra-high molecular weight polyethylene film meets:
Line density was more than or equal to for 5000 dawn;
Width is more than or equal to 100mm;
Thickness is less than or equal to 0.2mm;
Fracture strength is more than or equal to 10 grams/dawn;
Stretch modulus is more than or equal to 800 grams/dawn;
Elongation at break is less than or equal to 6%.
7. flat hoisting belts according to claim 6, is characterized in that, the thickness of described ultra-high molecular weight polyethylene film is 0.001-0.2mm, and fracture strength is 10-50 gram/dawn, and stretch modulus is 800-2600 gram/dawn, and elongation at break is 0.5-6%.
8. flat hoisting belts according to claim 7, it is characterized in that, the line density of described ultra-high molecular weight polyethylene film is the 5000-30000 dawn, width is 100-400mm, thickness is 0.005-0.15mm, fracture strength is 12-48 gram/dawn, and stretch modulus is 1000-2500 gram/dawn, and elongation at break is 0.8-4%.
9. flat hoisting belts according to claim 8, it is characterized in that, the line density of described ultra-high molecular weight polyethylene film is the 5500-20000 dawn, width is 105-300mm, thickness is 0.008-0.12mm, fracture strength is 15-45 gram/dawn, and stretch modulus is 1200-2500 gram/dawn, and elongation at break is 1-3%.
10. flat hoisting belts according to claim 9, it is characterized in that, the line density of described ultra-high molecular weight polyethylene film is the 6000-12000 dawn, width is 110-220mm, thickness is 0.01-0.1mm, fracture strength is 16-42 gram/dawn, and stretch modulus is 1400-2400 gram/dawn, and elongation at break is 1.5-2.5%.
11. flat hoisting belts according to claim 1, is characterized in that, the relevant parameter of described tapes of ultra high molecular weight polyethylene meets:
Line density was more than or equal to for 100 dawn, was less than for 5000 dawn;
Width 1-100mm;
Thickness is less than or equal to 0.2mm;
Fracture strength is more than or equal to 10 grams/dawn;
Stretch modulus is more than or equal to 800 grams/dawn;
Elongation at break is less than or equal to 6%.
12. flat hoisting belts according to claim 11, is characterized in that, described tapes of ultra high molecular weight polyethylene thickness is 0.001-0.2mm, and fracture strength is 10-50 gram/dawn, and stretch modulus is 800-2600 gram/dawn, and elongation at break is 0.5-6%.
13. flat hoisting belts according to claim 12, it is characterized in that, the line density of described tapes of ultra high molecular weight polyethylene is the 150-4000 dawn, width is 2-90mm, thickness is 0.003-0.1mm, fracture strength is 12-48 gram/dawn, and stretch modulus is 1000-2500 gram/dawn, and elongation at break is 0.8-4%.
14. flat hoisting belts according to claim 13, it is characterized in that, the line density of described tapes of ultra high molecular weight polyethylene is the 200-3500 dawn, width is 3-80mm, thickness is 0.005-0.06mm, fracture strength is 15-45 gram/dawn, and stretch modulus is 1200-2400 gram/dawn, and elongation at break is 1-3%.
15. flat hoisting belts according to claim 14, it is characterized in that, the line density of described tapes of ultra high molecular weight polyethylene is the 300-3000 dawn, width is 5-60mm, thickness is 0.008-0.03mm, fracture strength is 16-42 gram/dawn, and stretch modulus is 1400-2400 gram/dawn, and elongation at break is 1.5-2.5%.
16. flat hoisting belts according to claim 1, is characterized in that, the outer surface of described flat hoisting belts is also formed with urethane resin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420330844.8U CN204054813U (en) | 2013-06-20 | 2014-06-19 | Flat hoisting belts |
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| Application Number | Priority Date | Filing Date | Title |
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| WOPCT/CN2013/077545 | 2013-06-20 | ||
| PCT/CN2013/077545 WO2014201652A1 (en) | 2013-06-20 | 2013-06-20 | Single yarn, single yarn product, and preparation method therefor |
| PCT/CN2013/077546 WO2014201653A1 (en) | 2013-06-20 | 2013-06-20 | High-strength rigging and preparation method thereof |
| WOPCT/CN2013/077546 | 2013-06-20 | ||
| CN201420330844.8U CN204054813U (en) | 2013-06-20 | 2014-06-19 | Flat hoisting belts |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085154A (en) * | 2013-06-20 | 2014-10-08 | 郑州中远防务材料有限公司 | Flat lifting belt and preparation method thereof |
| CN107503040A (en) * | 2017-09-20 | 2017-12-22 | 兴城市兴索实业有限公司 | A kind of weaving method of flat hoisting belts |
-
2014
- 2014-06-19 CN CN201420330844.8U patent/CN204054813U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085154A (en) * | 2013-06-20 | 2014-10-08 | 郑州中远防务材料有限公司 | Flat lifting belt and preparation method thereof |
| CN107503040A (en) * | 2017-09-20 | 2017-12-22 | 兴城市兴索实业有限公司 | A kind of weaving method of flat hoisting belts |
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