CN103115200B - Concrete delivery pipe and manufacture method thereof - Google Patents
Concrete delivery pipe and manufacture method thereof Download PDFInfo
- Publication number
- CN103115200B CN103115200B CN201310056986.XA CN201310056986A CN103115200B CN 103115200 B CN103115200 B CN 103115200B CN 201310056986 A CN201310056986 A CN 201310056986A CN 103115200 B CN103115200 B CN 103115200B
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- supervisor
- flange
- connecting tube
- delivery pipe
- composite layer
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 239000000835 fiber Substances 0.000 claims abstract description 102
- 239000002131 composite material Substances 0.000 claims abstract description 56
- 229920005989 resin Polymers 0.000 claims abstract description 47
- 239000011347 resin Substances 0.000 claims abstract description 47
- 239000011159 matrix material Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 53
- 238000007711 solidification Methods 0.000 claims description 15
- 230000008023 solidification Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 12
- 229920001187 thermosetting polymer Polymers 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 7
- 238000004381 surface treatment Methods 0.000 claims description 6
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 4
- 229920002748 Basalt fiber Polymers 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000000137 annealing Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229920006387 Vinylite Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- 238000004046 wet winding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The invention discloses a kind of concrete delivery pipe, this concrete delivery pipe comprises: supervisor and flange, this flange comprises connecting tube and flange plate, this flange plate is positioned at one end of described connecting tube, and described connecting tube and described supervisor are socketed, wherein, described concrete delivery pipe also comprises fiber composite layer, this fiber composite layer and described supervisor and described connecting tube are socketed, and to be fixed on described supervisor by described flange, described fiber composite layer comprises resin matrix and monfil.The present invention also provides a kind of manufacture method manufacturing described delivery pipe.Utilize fiber composite layer to be fixed on by flange when being responsible for upper and do not need hot environment, therefore can not impact the tissue of supervisor, therefore can not affect the wear-resisting property of supervisor.
Description
Technical field
The present invention relates to the transportation art of material, particularly, relating to a kind of for carrying the concrete delivery pipe of sticky material and a kind of manufacture method manufacturing this concrete delivery pipe.
Background technique
Usually, concrete delivery pipe is for carrying the material of liquid or thickness.Such as, at building field, usually utilize concrete delivery pipe delivering concrete.Described concrete delivery pipe comprises supervisor and flange, and this flange comprises connecting tube and is formed in the flange of this connecting tube one end, and described connecting tube is socketed in one end of described supervisor.
In the prior art, described concrete delivery pipe can be manufactured according to the following two kinds mode: (1) quenches to described supervisor, then at the welding edges flange of supervisor; (2) first at the welding edges flange of supervisor, then described supervisor is being quenched.
For method (1), the heat produced during welded flange can cause supervisor to produce stress relief annealing, thus can reduce the wear resistance of supervisor; And method (2) is changed owing to can cause supervisor end material structure during welding, therefore, be difficult to the tissue after controlling supervisor's quenching.
Therefore, how under the prerequisite not reducing supervisor's inwall wear-resisting property, flange is arranged on supervisor and becomes related domain technical problem urgently to be resolved hurrily.
Summary of the invention
The object of this invention is to provide the manufacture method of a kind of concrete delivery pipe and this concrete delivery pipe, supervisor's inwall of described concrete delivery pipe has good wear-resisting property, and flange and supervisor are connected firmly.
To achieve these goals, as one aspect of the present invention, there is provided a kind of concrete delivery pipe, this concrete delivery pipe comprises supervisor and flange, and this flange comprises connecting tube and flange plate, this flange plate morpheme is in one end of described connecting tube, described concrete delivery pipe also comprises fiber composite layer, and wherein, described connecting tube and described supervisor are socketed, this fiber composite layer and described supervisor and described connecting tube are socketed, and described fiber composite layer comprises resin matrix and monfil.
Preferably, described monfil is one or more in glass fibre, superhigh molecular weight polyethylene fibers, carbon fiber, basalt fibre and aramid fibre.
Preferably, described resin matrix is formed by thermosetting resin cured.
Preferably, described thermosetting resin is epoxy resin.
Preferably, monfil described in multilayer is provided with in described fiber composite layer.
Preferably, the outer surface of the internal surface of described fiber composite layer and the outer surface of described supervisor and described connecting tube fits, and the outer surface that described supervisor and described connecting tube contact with described fiber composite layer is formed with serrated-surface.
Preferably, the inwall of described supervisor is formed with quench-hardened case, and the thickness of this quench-hardened case is 1/1 to two/3rd of described supervisor's wall thickness.
Preferably, described flange also comprises wear-resistant sleeve, and this wear-resistant sleeve is arranged in the through hole of described flange, and docks with described supervisor.
As another aspect of the present invention, also provide a kind of manufacture method according to concrete delivery pipe provided by the present invention, wherein, this manufacture method comprises the following steps:
Step one, described flange sleeve is connected on one end of described supervisor;
Step 2, described monfil is immersed in form described resin matrix resin in, to obtain fiber prepreg material;
Step 3, be wrapped on the outer surface of described connecting tube and described supervisor by described fiber prepreg material, solidification obtains described fiber composite layer.
Preferably, described step 3 comprises and heating the described connecting tube of the described supervisor and described flange that are wound with described fiber prepreg material, makes described resin solidification, to form described fiber composite layer on the outer surface of described connecting tube and described supervisor.
Preferably, when being wound around described fiber prepreg material in described step 3, being often wound around three layers of described fiber prepreg material and being wound around monfil described in one deck.
Preferably, the angle between the tangential and length direction of described supervisor of the bearing of trend of monfil described in every root is 10 degree to 20 degree
Preferably, between described step 2 and described step 3, also comprise vacuum step, this vacuum step comprises:
Step 1), the described supervisor and described flange seal that are wound with described fiber prepreg material are arranged in seal arrangement;
Step 2), described seal arrangement is vacuumized, make the air pressure in described seal arrangement reach 10
-3pa to 10
-2pa.
Preferably, in described vacuum step, in described step 1) and described step 2) between also comprise the step of the described supervisor being wound with described fiber prepreg material in described sealing package and described flange being carried out to preheating, preheating temperature is 80 DEG C to 100 DEG C, and holding time is 30min to 60min.
Preferably, described seal arrangement is rubber bag.
Preferably, in described step 3, the described supervisor and described connecting tube that are wound with described fiber prepreg material are heated to 165 DEG C to 185 DEG C, and are incubated 1 little of 2 hours, to make described resin solidification.
Preferably, the surface treatment step that this manufacture method is carried out before being included in described step 2, this surface treatment step comprises: on the outer surface of described connecting tube and on the outer surface of described supervisor, form described serrated-surface.
Preferably, described step 1) comprise and by spot welding, described flange being fixed on described supervisor.
Preferably, described manufacture method carries out induction hardened step to described supervisor before being included in described step one, forms described quench-hardened case to make the inwall of described supervisor.
Utilize fiber composite layer to be fixed on by flange when being responsible for upper and do not need hot environment, therefore can not impact the tissue of supervisor, therefore can not affect the wear-resisting property of supervisor.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.In the accompanying drawings:
Fig. 1 is the main sectional view of concrete delivery pipe of the present invention;
Fig. 2 is the main sectional view of the concrete delivery pipe shown in Fig. 1;
Fig. 3 is the enlarged view at the I place of the concrete delivery pipe shown in Fig. 1.
Description of reference numerals
10 supervisor's 20 flanges
21 connecting tube 22 flange plate
23 wear-resistant sleeve 30 fiber composite layer
40 solder joints
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
As depicted in figs. 1 and 2, as one aspect of the present invention, a kind of concrete delivery pipe is provided, this concrete delivery pipe comprises supervisor 10 and flange 20, this flange 20 comprises connecting tube 21 and flange plate 22, this flange plate 22 is positioned at one end of connecting tube 21, described concrete delivery pipe also comprises fiber composite layer 30, wherein, connecting tube 21 is socketed with supervisor 10, fiber composite layer 30 is socketed with supervisor 10 and connecting tube 21, and to be fixed on described supervisor 10 by described flange 20, described fiber composite layer 30 comprises resin matrix and monfil.
As shown in fig. 1, the connecting tube 21 of flange 20 is socketed in one end of supervisor 10, and fiber composite layer 30 is tubulose, with around and on the outer surface covering supervisor 10 and on the outer surface of connecting tube 21.
When utilizing fiber composite layer 30 to be fixed on supervisor 10 by flange 20, not needing too high temperature environment, therefore can not affect the material structure of supervisor 10, therefore can not reduce the wear resistance of supervisor 10 yet.
In the present invention, fiber composite layer 30 can cover the whole outer surface of connecting tube 21, also a part (as shown in Figure 1) for the outer surface of connecting tube 21 can only be covered, similarly, fiber composite layer 30 can cover the whole outer surface of supervisor 10, also only can cover a part for the outer surface of supervisor 10.It should be noted that fiber composite layer 30 is continuous print on the length direction of supervisor 10, thus flange 20 can be fixed on supervisor 10.
Fiber composite layer 30 can be the composite material that is only composited by resin matrix and monfil, also can be resin matrix, monfil and other additives (such as, curing agent etc.) be composited.Because fiber composite layer 30 comprises the monfil with higher-strength, therefore, fiber composite layer 30 has enough intensity.
In the present invention, in order to make fiber composite layer 30 have enough intensity, preferably, monfil is be selected from one or more in glass fibre, superhigh molecular weight polyethylene fibers, carbon fiber, basalt fibre and aramid fibre.
Preferably, carbon fiber composite has lightweight, high strength, high rigidity, excellent damping, endurance and the series of advantages such as corrosion-resistant.
In the present invention, curing agent can be added in the resin forming resin matrix, then monfil is immersed in resin matrix and form fiber prepreg material.On the outer surface at least partially being utilized by uncured fiber prepreg material Wet Winding Process method to be wrapped in connecting tube 21 subsequently and on the outer surface at least partially of supervisor 10.After being wound with described fiber prepreg material, described concrete delivery pipe can be left standstill a period of time, the resin solidification in fiber prepreg material is made to form resin matrix, and then obtain fiber composite layer 30, this fiber composite layer 30 is bonded on connecting tube 21 and supervisor 10, and the two is fixedly connected with.。
Described monfil can be compounded to form carbon fiber composite with various matrix resin, and this matrix resin can be such as unsaturated polyester, vinylite, phenolic resin etc.
Preferably, thermosetting resin can be selected as the resin material forming described resin matrix.Monfil is immersed in after the fiber prepreg material formed in resin is wrapped on connecting tube 21 and supervisor 10, can heat fiber prepreg material, make resin solidification form resin matrix, thus obtain fiber composite layer 30, and connecting tube 21 and supervisor 10 are fixed together.If quenched to supervisor 10, heat described fiber prepreg material can also play part stress relief annealing effect to supervisor 10.But the solidifying temperature of thermosetting resin, usually between 100 DEG C to 200 DEG C, can not produce excessive impact to the hardened structure of supervisor 10, supervisor 10 can not be made to soften.
Preferably, can adopt manufacturability better, the higher and good epoxy resin of toughness of intensity is as the thermosetting resin forming described resin matrix.
In order to increase the intensity of fiber composite layer 30, preferably, in fiber composite layer 30, monfil described in multilayer can be set.
In concrete delivery pipe provided by the present invention, the internal surface of fiber composite layer 30 fits with supervisor's outer surface of 10 and the outer surface of connecting tube 21, in order to increase the area of contact of fiber composite layer 30 and connecting tube 21, preferably, the outer surface that can contact with fiber composite layer 30 supervisor 10 and connecting tube 21 carries out roughening treatment, and the outer surface that supervisor 10 and connecting tube 21 are contacted with fiber composite layer 30 is formed with serrated-surface (as shown in Figure 3).Fiber composite layer 30 is larger with the area of contact being responsible for 10 with connecting tube 21, then adhesive strength is higher.
Usual described concrete delivery pipe is used for the higher material of the viscosity such as delivering concrete, in order to strengthen the wear-resisting property of supervisor 10, preferably, the inwall of supervisor 10 can be formed with quench-hardened case, and the thickness of this quench-hardened case is 1/1 to two/3rd of described supervisor 10 wall thickness.
Similarly, in order to improve the wear-resisting property of flange 20, flange 20 can also comprise wear-resistant sleeve 23, and this wear-resistant sleeve 23 is arranged in the through hole of described flange 20, and docks with described supervisor 10.
As another aspect of the present invention, also provide a kind of manufacture method of concrete delivery pipe, wherein, this concrete delivery pipe is above-mentioned concrete delivery pipe provided by the present invention, and described manufacture method comprises the following steps:
Step one, flange 20 is socketed in one end of supervisor 10;
Step 2, described monfil is immersed in form described resin matrix resin in, to obtain fiber prepreg material;
Step 3, be wrapped in by described fiber prepreg material on the outer surface of described connecting tube 21 and described supervisor 10, solidification obtains described fiber composite layer 30, to be fixed on described supervisor 10 by described flange 20.
Temperature required during the solidification of described fiber prepreg material is lower, therefore can not affect the tissue of supervisor 10, and fiber composite layer 30 is bonded on the connecting tube 21 of supervisor 10 and flange 20, can provide reach compared with join strength.
As noted before, preferably, the resin forming resin matrix is thermosetting resin, in this case, supervisor 10 and connecting tube 21 that described step 3 also comprises being wound with described fiber prepreg material heat, make described resin solidification, to form described fiber composite layer 30 on the outer surface of connecting tube 21 and supervisor 10.In the present invention, common resistance-heated furnace can be utilized to heat the connecting tube 21 and supervisor 10 that are wound with fiber prepreg material.
If supervisor 10 comprises hardened structure, make, in described thermosetting resin cured process, part stress relief annealing to be carried out to the hardened structure of supervisor 10 at the described fiber prepreg material of heating, improve the toughness of supervisor 10.Temperature needed for described fiber prepreg material solidification is lower, therefore, can not reduce the hardness of supervisor 10.
As noted before, in order to improve the intensity of fiber composite layer 30, preferably, in fiber composite layer 30, monfil described in multilayer can be comprised.In order to reach this effect, fiber prepreg material described in multilayer can be wound around on the outer surface at least partially of supervisor 10 and on the outer surface at least partially of connecting tube 21.In order to save the consumption of resin, preferably, when being wound around described fiber prepreg material in described step 3, being often wound around three layers of described fiber prepreg material and being wound around monfil described in one deck.
Preferably, the angle tangentially and between the length direction of supervisor 10 of the bearing of trend of monfil described in every root is 10 degree to 20 degree.That is, monfil is wrapped on supervisor 10 obliquely, and the intensity of the length direction of supervisor 10 and the intensity of axial direction are all strengthened.
In order to make fiber composite layer 30 closely be fitted on the outer surface of supervisor 10 and connecting tube 21, preferably, between described step 2 and described step 3, also comprise vacuum step, this vacuum step comprises:
Step 1), will the described supervisor 10 of described fiber prepreg material be wound with and described flange 20 sealing is arranged in seal arrangement;
Step 2), described seal arrangement is vacuumized.
In the present invention, seal arrangement should be flexible, that is, along with the carrying out vacuumized, seal arrangement can be out of shape, and is fitted on fiber prepreg material.In the present invention, seal arrangement can be flexible sealing package.After vacuumizing sealing bag, sealing package is out of shape and is fitted on fiber prepreg material.Pressure due to sealing package outside is greater than the pressure of sealing package inside, and barometric pressure can produce pressure to described fiber prepreg material, thus fiber prepreg material is closely fitted on the outer surface of supervisor 10 and connecting tube 21.After the resin solidification of described fiber prepreg material, sealing package can be removed.
Usually, after described vacuum step, the air pressure in described sealing package can be 10
-3pa to 10
-2pa.
In order to discharge the air in described fiber prepreg material, preferably, in described vacuum step, in described step 1) and described step 2) between also comprise the step of the described supervisor 10 being wound with described fiber prepreg material in described sealing package and described flange 20 being carried out to preheating, preheating temperature is 80 DEG C to 100 DEG C, and holding time is 30min to 60min.After preheating is carried out to described fiber prepreg material, described monfil can be softened, monfil is neatly arranged, and discharge the air of the remnants in described fiber prepreg material, improve the intensity of the fiber composite layer after solidification.
In the present invention, seal arrangement should be high temperature resistant, and can not be bonded together with thermosetting resin.As one embodiment of the present invention, described seal arrangement can be rubber bag.
After preheating is carried out to described fiber prepreg material, in described step 3, the described supervisor 10 and described connecting tube 21 that are wound with described fiber prepreg material are heated to 165 DEG C to 185 DEG C, and are incubated 1 little of 2 hours, to make described resin solidification.Should be understood that, described sealing package is not removed in described step 3 kind.
As noted before, in order to increase fiber composite layer 30 and the area of contact being responsible for 10 and connecting tube 21, preferably, the surface treatment step that described manufacture method is carried out before can also being included in described step 2, this surface treatment step comprises: on the outer surface of described connecting tube 21 and/or on the outer surface of described supervisor 10, form described serrated-surface.In the present invention, the method for turning can be adopted to form described serrated-surface.
In order to ensure the accuracy connected, before the described fiber prepreg material of winding, flange 20 can be fixed on supervisor 10.Now, preferably, described step one is comprised and being fixed on described supervisor 10 by described flange 20 by spot welding.Spot welding heat-affected zone is less, can not produce too much influence to the tissue of supervisor 10.As shown in Figure 2, can 4 solder joints 40 be set on flange 20, thus flange 20 is fixed on supervisor 10.
As noted before, in order to improve the wear resistance of supervisor 10, quench-hardened case can be formed on the inwall of supervisor 10.In order to control the thickness of quench-hardened case, preferably, induction hardened method can be utilized to carry out Quenching Treatment to supervisor 10.That is, described manufacture method carries out induction hardened step to supervisor 10 before being also included in described step one, forms described quench-hardened case to make the inwall of supervisor 10.
Utilize fiber composite layer to be fixed on by flange when being responsible for upper and do not need hot environment, therefore can not impact the tissue of supervisor, therefore can not affect the wear-resisting property of supervisor.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technological scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different mode of execution of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (19)
1. a concrete delivery pipe, this concrete delivery pipe comprises: supervisor (10) and flange (20), this flange (20) comprises connecting tube (21) and flange plate (22), this flange plate (22) is positioned at one end of described connecting tube (21), described connecting tube (21) and described supervisor (10) are socketed, described concrete delivery pipe also comprises fiber composite layer (30), it is characterized in that, described fiber composite layer (30) is socketed with described supervisor (10) and described connecting tube (21) respectively, so that described flange (20) is connected to described supervisor (10), described fiber composite layer (30) comprises resin matrix and monfil.
2. concrete delivery pipe according to claim 1, is characterized in that, described monfil is one or more in glass fibre, superhigh molecular weight polyethylene fibers, carbon fiber, basalt fibre and aramid fibre.
3. concrete delivery pipe according to claim 1, is characterized in that, described resin matrix is formed by thermosetting resin cured.
4. concrete delivery pipe according to claim 3, is characterized in that, described thermosetting resin is epoxy resin.
5. concrete delivery pipe as claimed in any of claims 1 to 4, is characterized in that, described fiber composite layer is provided with monfil described in multilayer in (30).
6. concrete delivery pipe as claimed in any of claims 1 to 4, it is characterized in that, the outer surface of the internal surface of described fiber composite layer (30) and the outer surface of described supervisor (10) and described connecting tube (21) fits, and the outer surface that described supervisor (10) and described connecting tube (21) contact with described fiber composite layer (30) is formed with serrated-surface.
7. concrete delivery pipe as claimed in any of claims 1 to 4, it is characterized in that, the inwall of described supervisor (10) is formed with quench-hardened case, and the thickness of this quench-hardened case is 1/1 to two/3rd of described supervisor (10) wall thickness.
8. concrete delivery pipe as claimed in any of claims 1 to 4, it is characterized in that, described flange (20) also comprises wear-resistant sleeve (23), this wear-resistant sleeve (23) is arranged in the through hole of described flange (20), and docks with described supervisor (10).
9. a manufacture method for concrete delivery pipe as claimed in any of claims 1 to 8, is characterized in that, described manufacture method comprises the following steps:
Step one, described flange (20) is socketed in one end of described supervisor (10);
Step 2, described monfil is immersed in form described resin matrix resin in, to obtain fiber prepreg material;
Step 3, be wrapped on described connecting tube (21) and described supervisor (10) outer surface by described fiber prepreg material, solidification obtains described fiber composite layer (30).
10. manufacture method according to claim 9, it is characterized in that, described step 3 comprises and heating the described connecting tube (21) of the described supervisor (10) and described flange (20) that are wound with described fiber prepreg material, make described resin solidification, to form described fiber composite layer (30) on the outer surface of described connecting tube (21) and described supervisor (10).
11. manufacture methodes according to claim 9, is characterized in that, when being wound around described fiber prepreg material in described step 3, being often wound around three layers of described fiber prepreg material and being wound around monfil described in one deck.
12. manufacture methodes according to claim 11, is characterized in that, the angle between the tangential and length direction of described supervisor (10) of the bearing of trend of monfil described in every root is 10 degree to 20 degree.
13., according to the manufacture method in claim 9 to 12 described in any one, is characterized in that, between described step 2 and described step 3, also comprise vacuum step, and this vacuum step comprises:
Step 1), will the described supervisor (10) of described fiber prepreg material be wound with and described flange (20) sealing is arranged in seal arrangement;
Step 2), described seal arrangement is vacuumized, make the air pressure in described seal arrangement reach 10
-3pa to 10
-2pa.
14. manufacture methodes according to claim 13, it is characterized in that, in described vacuum step, in described step 1) and described step 2) between also comprise the step of the described supervisor (10) being wound with described fiber prepreg material in described seal arrangement and described flange (20) being carried out to preheating, preheating temperature is 80 DEG C to 100 DEG C, and holding time is 30min to 60min.
15. manufacture methodes according to claim 13, is characterized in that, described seal arrangement is rubber bag.
16. manufacture methodes according to claim 13, it is characterized in that, in described step 3, the described supervisor (10) and described connecting tube (21) that are wound with described fiber prepreg material are heated to 165 DEG C to 185 DEG C, and be incubated 1 little of 2 hours, to make described resin solidification.
17. according to the manufacture method in claim 9 to 12 described in any one, it is characterized in that, the surface treatment step that this manufacture method is carried out before being included in described step 2, this surface treatment step comprises: on the outer surface of described connecting tube (21) and on the outer surface of described supervisor (10), form serrated-surface.
18., according to the manufacture method in claim 9 to 12 described in any one, is characterized in that, described step one comprises the step be fixed on by described flange (20) by spot welding on described supervisor (10).
19. according to the manufacture method in claim 9 to 12 described in any one, it is characterized in that, described manufacture method carries out induction hardened step to described supervisor (10) before being included in described step one, forms quench-hardened case to make the inwall of described supervisor (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310056986.XA CN103115200B (en) | 2013-02-22 | 2013-02-22 | Concrete delivery pipe and manufacture method thereof |
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|---|---|---|---|
| CN201310056986.XA CN103115200B (en) | 2013-02-22 | 2013-02-22 | Concrete delivery pipe and manufacture method thereof |
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| CN103115200A CN103115200A (en) | 2013-05-22 |
| CN103115200B true CN103115200B (en) | 2015-10-28 |
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| CN103343840B (en) * | 2013-07-09 | 2016-07-06 | 中联重科股份有限公司 | Multiple tube and preparation method thereof |
| CN104295802B (en) * | 2014-08-22 | 2017-12-22 | 中联重科股份有限公司 | Concrete delivery pipe and its processing method |
| CN105626979B (en) * | 2016-02-05 | 2019-01-18 | 中联重科股份有限公司 | Transportation system, delivery pipe and its manufacturing method |
| CN105782603B (en) * | 2016-04-05 | 2018-08-24 | 中国船舶重工集团公司第七一二研究所 | A kind of composite material structural member and preparation method thereof with metal flange |
| JPWO2019151449A1 (en) * | 2018-01-31 | 2021-05-13 | 有限会社川端工業 | Piping for transporting hydrous fluid and transportation method for hydrous fluid |
| CN109552647A (en) * | 2018-11-02 | 2019-04-02 | 中国航空工业集团公司西安飞机设计研究所 | A kind of banjo fixing butt jointing of composite material class revolving body |
| CN112918021A (en) * | 2021-03-03 | 2021-06-08 | 北京玻钢院复合材料有限公司 | Composite material reinforced conveying pipe and preparation method thereof |
| CN113531226B (en) * | 2021-06-21 | 2022-09-09 | 中联重科股份有限公司 | Concrete conveying pipe, preparation method and concrete pump truck |
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| CN103115200A (en) | 2013-05-22 |
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