CN102052527A - End hose of cantilever crane system, preparation method thereof and concrete transporting machine - Google Patents

End hose of cantilever crane system, preparation method thereof and concrete transporting machine Download PDF

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Publication number
CN102052527A
CN102052527A CN2010106208927A CN201010620892A CN102052527A CN 102052527 A CN102052527 A CN 102052527A CN 2010106208927 A CN2010106208927 A CN 2010106208927A CN 201010620892 A CN201010620892 A CN 201010620892A CN 102052527 A CN102052527 A CN 102052527A
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China
Prior art keywords
end hose
hose
boom system
fabric reinforcement
polyurethane
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CN2010106208927A
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Chinese (zh)
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CN102052527B (en
Inventor
许广业
欧耀辉
宋师伟
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Sany Automobile Manufacturing Co Ltd
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Sany Heavy Industry Co Ltd
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Priority to CN 201010620892 priority Critical patent/CN102052527B/en
Publication of CN102052527A publication Critical patent/CN102052527A/en
Priority to PCT/CN2011/075719 priority patent/WO2012088838A1/en
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Publication of CN102052527B publication Critical patent/CN102052527B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/003—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor characterised by the choice of material
    • B29C39/006—Monomers or prepolymers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/04—Devices for both conveying and distributing
    • E04G21/0418—Devices for both conveying and distributing with distribution hose
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/10—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements not embedded in the wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/06—Protection of pipes or objects of similar shape against external or internal damage or wear against wear

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The invention discloses a concrete transporting machine, an end hose of a cantilever crane system thereof and a preparation method of the end hose. The end hose of the cantilever crane system, which is disclosed by the invention, comprises a hose body and a fiber reinforcing layer compounded on the outer surface of the hose body; the material of the hose body comprises polyurethane, and the fiber reinforcing layer comprises glass fibers and/or carbon fibers; and preferentially, the fiber reinforcing layer is compounded on the outer surface of the hose body through a coupler. Because the polyurethane has stronger wear resistance, the wear rate of the hose body of the end hose is lower; moreover, the chemical property of the polyurethane is more stable, and influences due to external environment and temperature change on the properties of the end hose can be reduced, so that the end hose has longer service life; and in addition, the strength of the end hose is guaranteed through the fiber reinforcing layer consisting of the glass fibers and/or the carbon fibers to meet the requirements on transporting materials and controlling a delivery outlet, so that the end hose has lighter weight, which is also beneficial to controlling and operating the end hose.

Description

End hose of boom system and preparation method thereof, concrete conveyer
Technical field
The present invention relates to a kind of delivering concrete or to the technology of the similar material of concrete, particularly the preparation method of a kind of end hose of boom system and this end hose also relates to a kind of concrete conveyer that comprises this end hose.
Background technique
Concrete mixer is a current application concrete conveyer very widely.Concrete mixer comprises one with the boom system of transmission and concrete transmission to preposition.Boom system generally comprises a plurality of joint arms; A plurality of joint arms are hinged and connected in proper order by horizontal hinge; Be provided with driving mechanism between two adjacent joint arms, driving mechanism can drive adjacent joint arm and rotate relatively, thereby can adjust the position of minor details joint arm delivery outlet.For the position of control arm frame system delivery outlet easily, outside the delivery outlet of the minor details joint arm of boom system, also be provided with end hose.End hose is that the material with suitable deformability is made flexible pipe.When carrying out pouring practice, operator control concrete concrete pouring position by the position of control end hose delivery outlet, coordinate accurate, the uniform distribution of concrete mixer.
Current, the control of end hose delivery outlet position generally adopts rubber material to prepare end hose for convenience.Simultaneously, have enough intensity, steel wire is set in the rubber material by flexible pipe endways to strengthen the intensity of end hose for guaranteeing end hose.
Though existing end hose can facilitate for control concrete placement position, owing to being prepared by rubber material of end hose, the rubber material wear-resisting property is relatively poor, causes the end hose rate of wear higher; Simultaneously, because the chemical stability of rubber material is lower, and because end hose is usually located at outdoorly, external environment and variation of temperature make ageing of rubber easily; These factors just cause the working life of end hose shorter.Generally, behind the concrete of 1.5 ten thousand square metres of conveyings, just need to change end hose.
Simultaneously, because the mechanical strength that structure of steel wire increases end hose need be set, this also causes end hose weight excessive, and influence is to the operation of end hose delivery outlet position.
Not only there are the problems referred to above in the end hose of the boom system of concrete mixer, and the concrete conveyer that boom or other have the end hose of boom system also has same problem.
Summary of the invention
For this reason, first purpose of the present invention is, provides a kind of working life longer, the end hose of the boom system that weight is lighter.
Second purpose of the present invention is, a kind of concrete conveyer that comprises the above-mentioned end flexible pipe is provided.
The 3rd purpose of the present invention is, a kind of method that above-mentioned boom system has end hose for preparing is provided.
The end hose of device boom system provided by the invention comprises body and the fabric reinforcement that is compounded on the outer surface of tube body, and the material of described body comprises polyurethane, and described fabric reinforcement comprises glass fibre and/or carbon fiber.
Optionally, described fabric reinforcement is compounded in the outer surface of body by coupling agent.
Optionally, the material of described body comprises polyurethane and composite metal oxide Sr 2Ta 2O 7Described composite metal oxide Sr 2Ta 2O 7Ratio account for 1%～5% (weight) of described polyurethane.
Optionally, described composite metal oxide Sr 2Ta 2O 7Ratio account for the 2.3wt～3.52wt% (weight) of described polyurethane.
Concrete conveyer provided by the invention comprises boom system, described boom system comprises that more piece is by the joint arm that is laterally hinged with axle order and is hinged and connected be installed in the end hose of minor details joint arm delivery outlet, the end hose of above-mentioned any boom system of described end hose.
The method of the end hose of preparation boom system provided by the invention comprises step:
Lay fabric reinforcement, fabric reinforcement is laid on the external mold internal surface of mould, described fabric reinforcement comprises glass fibre and/or carbon fiber;
Cast is poured into polyurethane prepolymer in the die cavity of mould;
Solidify, wait for urethane cures, form the end hose base substrate;
The demoulding separates mould with the end hose base substrate.
Optionally, before laying fabric reinforcement, also comprise step with the coupling agent treatment fabric reinforcement.
Optionally, before laying fabric reinforcement, also be included in the step that die surface applies releasing agent.
Optionally, before laying fabric reinforcement, apply after the releasing agent, also comprise the step of mould being carried out 70-120 ℃ of heated at constant temperature;
In curing schedule, mould and end hose base substrate are carried out 90-110 ℃ of insulation 20-40min;
After the demoulding, end hose inserted under 70-120 ℃ the environment more than the postcure 10h.
Optionally, in the cast step, select 3 for use, 5-diformazan sulfenyl toluenediamine is as chain extender, and the weight ratio of described polyurethane prepolymer and this chain extender is between 100: 11～100: 18.
Compared with prior art, the end hose of boom system provided by the invention comprises body and the fabric reinforcement that is compounded in outer surface of tube body, and the material of body comprises that by polyurethane described fabric reinforcement comprises glass fibre and/or carbon fiber.Because polyurethane has stronger wear resistance, when materials such as delivering concrete, the rate of wear of the body of end hose is lower; And the chemical property of polyurethane is more stable, can reduce since external environment, temperature variation to the end hose Effect on Performance; And then end hose provided by the invention has longer working life.In addition, guarantee end hose intensity by comprising the fabric reinforcement that glass fibre and/or carbon fiber form, satisfy conveying material, the needs of control delivery outlet make end hose have less weight, and this also helps the control operation to end hose.
In addition, owing to adopt the main body of polyurethane as end hose, end hose provided by the invention also has the following advantages:
The first, because polyurethane has less friction factor, can provide good condition for material mobile, reduce the blocking phenomenon in the material conveying process, improve mass transport efficient.
The second, polyurethane has bigger use temperature territory, under the higher or lower situation of temperature, can keep its pliability and corresponding strength, and then makes this end hose have stronger adaptability.
Three, select glass fibre and for use with 3, when 5-diformazan sulfenyl toluenediamine prepares end hose as the polyurethane elastomer of chain extender, can make end hose keep suitable light transmission, and then when flexible pipe stops up endways, can more easily determine blocking position, for the mediation of end hose facilitates.
In further technological scheme, described fabric reinforcement is compounded in outer surface of tube body by coupling agent.Like this can the reinforced fiber strengthened layer and polyurethane between adhesive strength, improve the bulk strength of end hose.
In order to obtain the end hose of above-mentioned boom system, the present invention also provides a kind of method for preparing the end hose of boom system.This method obtains end hose by the mode of cast, forms end hose with steel wire in the prior art and rubber and compares, and it is simple to have a moulding process, the manufacturing efficiency advantage of higher.
Description of drawings
Fig. 1 is the structural representation of the end hose of a kind of boom system provided by the invention;
Fig. 2 is a kind of mode flow chart for preparing the end hose of boom system provided by the invention;
Fig. 2 a shows mould and fabric reinforcement structural representation;
Fig. 2 b shows the casting process schematic representation;
Fig. 2 c shows the solidification process schematic representation;
Fig. 3 is a kind of flow chart of concrete grammar of the end hose of preparation boom system provided by the invention.
Embodiment
Describe the present invention below in conjunction with accompanying drawing, the description of this part only is exemplary and explanatory, should not have any restriction standby to protection scope of the present invention.
Please refer to Fig. 1, this figure is the structural representation of the end hose of a kind of boom system provided by the invention.
This end hose comprises body 100 and fabric reinforcement 200; Its middle tube body 100 is the polyurethane elastomer that is formed by polyurethane material; Fabric reinforcement 200 is compounded on body 100 outer wall, and fabric reinforcement 200 can be formed by glass fibre, also can be formed by carbon fiber, to guarantee the intensity of end hose, improves end hose tear-proof, stretch-proof performance.Simultaneously, because polyurethane material has stronger wear resistance, fatigue resistance and anti-vibration resistance, when materials such as delivering concrete, the body 100 of end hose has higher wear-resisting property, and the rate of wear is lower; And the chemical property of polyurethane is more stable, can reduce since external environment, temperature variation to the end hose Effect on Performance, therefore, the end hose that this embodiment provides has longer working life.
In order further to improve the wear-resisting property of body 100, can also in polyurethane material, add composite metal oxide Sr 2Ta 2O 7, this composite metal oxide Sr of interpolation 2Ta 2O 7Ratio accounts for 1%～5% (weight) of polyurethane, is preferably 2.3～3.52% (weight).This composite metal oxide is disclosed at Chinese patent CN100376505C.Experimental result shows, adds the wear-resisting property that this composite metal oxide can significantly improve body 100.The powder diameter of described composite metal oxide is preferably 40 orders～200 orders, more preferably 100 orders～200 orders.
In order to guarantee the combination force between reinforcing fibre layer 200 and the body 100, fabric reinforcement 200 is compound to the outer surface of body 100 by coupling agent.Coupling agent can form an interface layer between fabric reinforcement and body, this interface layer can transmit stress, thereby has strengthened the adhesive strength between fabric reinforcement 200 and the body 100, has improved the overall performance of end hose; Adopt the compound extraneous medium of environment that can also prevent of coupling agent that polyurethane is permeated simultaneously, help keeping the stable of polyurethane material, keep the performance of body 100.According to actual needs, can select coupling agents well known to those skilled in the art such as silanes, titanate ester and aluminic acid compound for use, object lesson can be the model silane resin acceptor kh-550, but is not limited thereto.
According to foregoing description, the art technology philtrum can also add unclassified stores or additive in body 100, also can add other fibers or corresponding material in the reinforcing fibre layer.
In order to obtain the above-mentioned end flexible pipe, the invention provides following mode and obtain end hose.
Please refer to Fig. 2, this figure is a kind of mode flow chart for preparing the end hose of boom system provided by the invention.This method may further comprise the steps:
S110 prepares related die, and will be scheduled to the internal surface of fleece-laying at the external mold of mould, forms the reinforcing fibre layer; As Fig. 2 a, the figure shows mould and fabric reinforcement structural representation.The mould of preparation end hose comprises internal mold 310, external mold 320 and bed die 330.Internal mold 310 outer wall are corresponding with the end hose inwall, and external mold 310 internal faces are corresponding with the end hose outer wall; Bed die 330 upper surfaces are corresponding with the end hose end face.The die cavity that forms between the three can be poured into a mould the formation end hose.
S120, cast, polyurethane prepolymer is poured in the die cavity of mould in; As Fig. 2 b, the figure shows the casting process schematic representation.Polyurethane prepolymer can be isocyanate terminated basic performed polymer, terminal hydroxy group performed polymer, contain the blocking groups performed polymer or contain other group such as the base polyurethane prepolymer for use as of end-silicane-group, end alkyl acrylate, or the like.
S130 solidifies, and waits for the scheduled time, makes urethane cures form the end hose base substrate; As Fig. 2 c, the figure shows the solidification process schematic representation.Stand-by period can be according to the difference of the prepolymer of selecting for use and difference, such as being 20-40min.In the optimized technical scheme, in solidification process, can be incubated processing to mould and end hose base substrate, such as, can be incubated 20-40min at 90-110 ℃ to mould and end hose base substrate, preferably carry out 90-100 ℃ of insulation 20-40min.
S140, the demoulding separates mould with the end hose base substrate.
After again the end hose base substrate suitably being handled or processed, just can form final end hose.
In order to determine the technique effect of end hose, the claimant has also prepared a kind of end hose by a concrete grammar, and the end hose that rubber material in this end hose and the prior art adds the steel wire making is compared.
Please refer to Fig. 3, Fig. 3 is a kind of flow chart of concrete grammar of the end hose of preparation boom system provided by the invention.
Raw materials used as follows among this concrete grammar embodiment:
Polyurethane prepolymer is: producer is a Yantai Wanhua Polyurethane Co., Ltd, model T140.
Coupling agent is: producer flies the upright organosilicon new material Co., Ltd that sends, model KH-550 for the Nanjing Xiang.
This concrete grammar may further comprise the steps:
S210 prepares related die, with the outer surface of the internal surface of external mold 320, internal mold 310, and the upper surface of bed die 330 apply releasing agent so that the separating of mould and end hose base substrate; Then, mould is put into baking oven with 90 ℃ of heated at constant temperature 2.5h.Certainly, according to actual state can be under 80-100 ℃ of environment heated at constant temperature 2-3h, but ambient temperature should be no more than 70-120 ℃ scope.
S220 handles glass fibre with coupling agent, and concrete processing mode is: utilize spraying coating process, glass cloth is paved, coupling agent evenly sprays with vaporific, and oven dry.According to actual needs, also can adopt existing mode to handle.
S230, lay fiber and form fabric reinforcement, the glass fibre that will cross through coupling agent treatment is laid on the internal surface of external mold 320, formation fabric reinforcement by applying polyurethane prepolymer.
S240, cast is poured into polyurethane prepolymer in the die cavity of mould.
S250 solidifies, and waits for that polyurethane and fabric reinforcement solidify to form the end hose base substrate.In solidification process, with infrared heater mould is incubated simultaneously, make mould be incubated 30min down at 90 ℃.
S250, the demoulding separates mould with the end hose base substrate.
S260 inserts the end hose base substrate and carries out postcure in the specific environment.In this example, the end hose base substrate is inserted in the baking oven, and keep postcure 12h under 100 ℃ of constant temperature situations.Vary in size according to the end hose billet surface, the end hose base substrate can be inserted under 70-120 ℃ the environment more than the postcure 10h, the upper limit of cure time can be selected according to actual needs, such as being 11h, 15h or 20h; Under preferred 90-110 ℃ the environment more than the postcure 12h.After sulfuration was shunk, the external diameter of end hose base substrate was 160mm, and internal diameter is 125mm, body thickness 17.5mm, body length 3000mm.
(two end hose sizes equate the end hose that the end hose that will obtain by above-mentioned concrete grammar and rubber material add steel wire substantially in the concrete mixer use of two same models respectively, same thickness, same inner diameter, equal length), under the essentially identical situation of two concrete mixer Environmental Conditions operation, the end hose of rubber material can be carried 1.5 ten thousand square metres concrete.End hose by above-mentioned concrete grammar preparation can be carried 40,000 square metres concrete.Therefore, can determine: add the end hose of steel wire with respect to the rubber material, the wear-resisting property of the end hose of this embodiment's preparation increases substantially.
In addition, the weight of the two also difference is very big, and the weight that the rubber material adds the end hose of steel wire is 45 kilograms, and the end hose weight for preparing by above-mentioned concrete grammar is 25 kilograms.Therefore, preparing end hose weight by above-mentioned concrete grammar also reduces greatly.
In addition, according to the step in the said method, also in identical polyurethane prepolymer, add 1%, 2.3%, 3.52% and 5% the composite metal oxide Sr account for polyurethane material weight respectively 2Ta 2O 7, the powder diameter of composite metal oxide is 150 orders, preparation has formed four kinds of end hoses of same model; Test result is: it is the concrete of 4.2 ten thousand square metres, 4.3 ten thousand square metres, 4.3 ten thousand square metres and 4.1 ten thousand square metres that these four kinds of end hoses can be carried respectively, and wear-resisting property increases.
In addition, have suitable transmission of light, can also select glass fibre for use and with 3,5-diformazan sulfenyl toluenediamine prepares end hose as the polyurethane elastomer of chain extender in order to make end hose; In the cast step, can with polyurethane prepolymer and chain extender by weight 100: 11.2 ratio be poured in the die cavity of mould; It is the pool, Zhangjagang City bridge daily-use chemical industry Co., Ltd that chain extender can be selected producer for use, model 3, and 5-diformazan sulfenyl toluenediamine (E-300) makes end hose keep light transmission; Like this, when flexible pipe stops up endways, can judge blocking position at an easy rate, for the mediation of end hose facilitates from the outside.According to actual needs, in casting process, can select for use the polyurethane prepolymer of Different Weight ratio and chain extender by, optimization polyurethane prepolymer and chain extender are by weight between 100: 11～100: 18.
According to foregoing description, other polyurethane prepolymers also can be realized purpose of the present invention in the employing prior art; When fabric reinforcement is carbon fiber, also can strengthen the intensity of end hose, keep end hose weight less simultaneously.
On the basis that the above-mentioned end flexible pipe is provided, concrete conveyer provided by the invention comprises boom system, boom system comprises more piece by the joint arm that is laterally hinged with axle order and is hinged and connected be installed in the end hose of minor details joint arm delivery outlet, and described end hose is above-mentioned any end hose.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (10)

1. the end hose of a boom system, it is characterized in that, comprise body (100) and be compounded in fabric reinforcement (200) on the outer surface of tube body, the material of described body (100) comprises polyurethane, and described fabric reinforcement (200) comprises glass fibre and/or carbon fiber.
2. the end hose of boom system according to claim 1 is characterized in that, described fabric reinforcement (200) is compounded in the outer surface of body (100) by coupling agent.
3. the end hose of boom system according to claim 1 and 2 is characterized in that, the material of described body (100) comprises polyurethane and composite metal oxide Sr 2Ta 2O 7Described composite metal oxide Sr 2Ta 2O 7Ratio account for 1%～5% (weight) of described polyurethane.
4. the end hose of boom system according to claim 3 is characterized in that, described composite metal oxide Sr 2Ta 2O 7Ratio account for the 2.3wt～3.52wt% (weight) of described polyurethane.
5. concrete conveyer, comprise boom system, described boom system comprises that more piece is by the joint arm that is laterally hinged with axle order and is hinged and connected be installed in the end hose of minor details joint arm delivery outlet, it is characterized in that described end hose is the end hose of each described boom system of claim 1-4.
6. a method for preparing the end hose of boom system is characterized in that, comprises step:
Lay fabric reinforcement, fabric reinforcement is laid on the external mold internal surface of mould, described fabric reinforcement comprises glass fibre and/or carbon fiber;
Cast is poured into polyurethane prepolymer in the die cavity of mould;
Solidify, wait for urethane cures, form the end hose base substrate;
The demoulding separates mould with the end hose base substrate.
7. the method for the end hose of preparation boom system according to claim 6 is characterized in that,
Before laying fabric reinforcement, also comprise step with the coupling agent treatment fabric reinforcement.
8. the method for the end hose of preparation boom system according to claim 7 is characterized in that,
Before laying fabric reinforcement, also be included in the step that die surface applies releasing agent.
9. the method for the end hose of preparation boom system according to claim 8 is characterized in that, before laying fabric reinforcement, applies after the releasing agent, also comprises the step of mould being carried out 70-120 ℃ of heated at constant temperature;
In curing schedule, mould and end hose base substrate are carried out 90-110 ℃ of insulation 20-40min;
After the demoulding, end hose inserted under 70-120 ℃ the environment more than the postcure 10h.
10. according to the method for the end hose of each described preparation boom system of claim 6-9, it is characterized in that,
In the cast step, select 3 for use, 5-diformazan sulfenyl toluenediamine is as chain extender, and the weight ratio of described polyurethane prepolymer and this chain extender is between 100: 11～100: 18.
CN 201010620892 2010-12-31 2010-12-31 End hose of cantilever crane system, preparation method thereof and concrete transporting machine Active CN102052527B (en)

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CN 201010620892 CN102052527B (en) 2010-12-31 2010-12-31 End hose of cantilever crane system, preparation method thereof and concrete transporting machine
PCT/CN2011/075719 WO2012088838A1 (en) 2010-12-31 2011-06-14 Terminal flexible pipe for cantilever system of concrete conveying machine and method of making the same, as well as the concrete conveying machine

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Application Number Priority Date Filing Date Title
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* Cited by examiner, † Cited by third party
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CN102995901A (en) * 2012-12-17 2013-03-27 中联重科股份有限公司 Composite material cantilever crane, engineering machine and manufacture method of composite material cantilever crane
CN103016857A (en) * 2012-12-17 2013-04-03 中联重科股份有限公司 Material conveying pipe and manufacturing method thereof
CN103287994A (en) * 2013-05-21 2013-09-11 三一汽车起重机械有限公司 Arm cylinder and engineering machine
CN103511764A (en) * 2012-12-26 2014-01-15 伦慧东 Fiber reinforcement inflaming retarding anti-static electricity thin-wall steel plastic composite pipe and forming process thereof
CN104390085A (en) * 2014-04-29 2015-03-04 樊哲斌 Conveying pipe for light-weight concrete pump truck arm frame
CN110774522A (en) * 2019-06-28 2020-02-11 东莞科威医疗器械有限公司 Enhanced medical cannula and forming method thereof
CN112622308A (en) * 2020-12-01 2021-04-09 北玻院(滕州)复合材料有限公司 Carbon fiber composite material arm section and preparation method thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4199010A (en) * 1978-06-02 1980-04-22 Foster Wheeler Energy Corporation Ceramic lined conduit
CN1280265A (en) * 1999-07-09 2001-01-17 上海电力学院 Polyurethane and glass fibre reinforced plastic composite pipe
US6467812B1 (en) * 1994-06-23 2002-10-22 Construction Forms, Inc. Pipe having replaceable wear resistant lined coupler
CN1759269A (en) * 2003-05-27 2006-04-12 粉刷师股份公司 Tube for transporting high-viscosity materials
DE202006019022U1 (en) * 2006-12-16 2007-02-15 Rehau Ag + Co. Hose bundle for use in e.g. food technology, has hoses arranged in cover, twisted and reinforced, where cover has filler material made of barium sulphate and glass fiber and hoses are made of polymer material e.g. polypropylene
CN101076640A (en) * 2004-12-13 2007-11-21 粉刷师股份公司 End hose for discharge of thick substances
CN101603616A (en) * 2008-06-11 2009-12-16 张传勇 A kind of polyurethane composite pipe
CN201475527U (en) * 2009-09-10 2010-05-19 深圳市安云科技有限公司 Abrasion resistant and high temperature resistant fire fighting hose
CN201517286U (en) * 2009-10-27 2010-06-30 梁宝忠 Wear-resisting concrete delivery pipe

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1424527A (en) * 2001-12-13 2003-06-18 罗希良 UHMWPE winded composite large-diameter tubing
CN1202366C (en) * 2003-01-09 2005-05-18 冯圣君 Carbon fiber graphite tube with high strength, high transmit heat and its production method
KR20080070322A (en) * 2007-01-26 2008-07-30 동곡산업 주식회사 Spiral hose

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4199010A (en) * 1978-06-02 1980-04-22 Foster Wheeler Energy Corporation Ceramic lined conduit
US6467812B1 (en) * 1994-06-23 2002-10-22 Construction Forms, Inc. Pipe having replaceable wear resistant lined coupler
CN1280265A (en) * 1999-07-09 2001-01-17 上海电力学院 Polyurethane and glass fibre reinforced plastic composite pipe
CN1759269A (en) * 2003-05-27 2006-04-12 粉刷师股份公司 Tube for transporting high-viscosity materials
CN101076640A (en) * 2004-12-13 2007-11-21 粉刷师股份公司 End hose for discharge of thick substances
DE202006019022U1 (en) * 2006-12-16 2007-02-15 Rehau Ag + Co. Hose bundle for use in e.g. food technology, has hoses arranged in cover, twisted and reinforced, where cover has filler material made of barium sulphate and glass fiber and hoses are made of polymer material e.g. polypropylene
CN101603616A (en) * 2008-06-11 2009-12-16 张传勇 A kind of polyurethane composite pipe
CN201475527U (en) * 2009-09-10 2010-05-19 深圳市安云科技有限公司 Abrasion resistant and high temperature resistant fire fighting hose
CN201517286U (en) * 2009-10-27 2010-06-30 梁宝忠 Wear-resisting concrete delivery pipe

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102338255A (en) * 2011-09-19 2012-02-01 江苏双腾管业有限公司 Fiber reinforced electric fusing pipe fitting
CN102995901A (en) * 2012-12-17 2013-03-27 中联重科股份有限公司 Composite material cantilever crane, engineering machine and manufacture method of composite material cantilever crane
CN103016857A (en) * 2012-12-17 2013-04-03 中联重科股份有限公司 Material conveying pipe and manufacturing method thereof
CN103016857B (en) * 2012-12-17 2015-08-05 中联重科股份有限公司 A kind of concrete delivery pipe and preparation method thereof
CN103511764A (en) * 2012-12-26 2014-01-15 伦慧东 Fiber reinforcement inflaming retarding anti-static electricity thin-wall steel plastic composite pipe and forming process thereof
CN103511764B (en) * 2012-12-26 2015-09-30 伦慧东 Fiber reinforcement flame-retardant and anti-static Steel Thin-Wall plastic composite and moulding process thereof
CN103287994A (en) * 2013-05-21 2013-09-11 三一汽车起重机械有限公司 Arm cylinder and engineering machine
CN104390085A (en) * 2014-04-29 2015-03-04 樊哲斌 Conveying pipe for light-weight concrete pump truck arm frame
CN110774522A (en) * 2019-06-28 2020-02-11 东莞科威医疗器械有限公司 Enhanced medical cannula and forming method thereof
CN112622308A (en) * 2020-12-01 2021-04-09 北玻院(滕州)复合材料有限公司 Carbon fiber composite material arm section and preparation method thereof

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