CN102873754A - Vehicular composite concrete mixing drum and method for manufacturing same - Google Patents
Vehicular composite concrete mixing drum and method for manufacturing same Download PDFInfo
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- CN102873754A CN102873754A CN2012103725526A CN201210372552A CN102873754A CN 102873754 A CN102873754 A CN 102873754A CN 2012103725526 A CN2012103725526 A CN 2012103725526A CN 201210372552 A CN201210372552 A CN 201210372552A CN 102873754 A CN102873754 A CN 102873754A
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- spiral part
- spirality
- mixing drum
- concrete mixing
- composite material
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- 239000002131 composite material Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- 229920005989 resin Polymers 0.000 claims abstract description 25
- 239000011347 resin Substances 0.000 claims abstract description 25
- 229920002635 polyurethane Polymers 0.000 claims abstract description 21
- 239000004814 polyurethane Substances 0.000 claims abstract description 21
- 239000000835 fiber Substances 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 claims abstract description 17
- 239000000853 adhesive Substances 0.000 claims abstract description 12
- 230000001070 adhesive effect Effects 0.000 claims abstract description 12
- 238000002360 preparation method Methods 0.000 claims description 28
- 238000007711 solidification Methods 0.000 claims description 9
- 230000008023 solidification Effects 0.000 claims description 9
- 229920002748 Basalt fiber Polymers 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 7
- 229920006387 Vinylite Polymers 0.000 claims description 7
- 239000012752 auxiliary agent Substances 0.000 claims description 7
- 239000004917 carbon fiber Substances 0.000 claims description 7
- 238000007598 dipping method Methods 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 229920005749 polyurethane resin Polymers 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 3
- 239000000049 pigment Substances 0.000 claims description 3
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 3
- -1 promoter Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract 2
- 238000001746 injection moulding Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a vehicular composite concrete mixing drum and a method for manufacturing the same. The vehicular composite concrete mixing drum comprises an outer drum wall (1) and an inner drum wrapped in the outer drum wall (1). After being impregnated in curable resin, reinforced fiber yarns are wound on the outer surface of the inner drum via a winding process and then are cured on the outer surface of the inner drum to form the outer drum wall (1), and first spiral components (2) and second spiral components (3) are adhered with one anther by polyurethane adhesive (4) to form the inner drum. The vehicular composite concrete mixing drum is reasonable in structural design, high in abrasion resistance and corrosion resistance, long in service life and wide in application range, and is light. Besides, the method for manufacturing the mixing drum has the advantages that a special mold capable of realizing an integral injection molding function is designed according to structural characteristics of the inner drum of the concrete mixing drum, the outer drum wall is manufactured by a winding machine via the winding process, the manufacturing efficiency is high, and the mixing drum manufactured by the method is light and is high in abrasion resistance and corrosion resistance and low in manufacturing cost.
Description
Technical field
The present invention relates to a kind of building concrete Mixing Machine, a kind of vehicle-mounted composite material concrete mixing drum that is specifically related to use on the concrete mixing and transporting car and preparation method thereof.
Background technology
The high speed development of building industry has driven popularizing of commerical ready-mixed concrete, as realizing the commercial visual plant of concrete production, the demand of concrete mixing and transporting car further increases and is widely used in the Modern Construction of the engineerings such as highway, town and country construction, railway, airport and cement products.Mixing drum is as the core component of concrete mixing and transporting car, and it is that trucd mixer transports concrete loading appliance, is again the equipment of ready-mixed concrete.Usually, vehicle-mounted concrete agitating drum is the Heavy Type Steel Structure structure, and stowage is generally 8-12m
3, being subjected to the impact of manufacturing process, material property and environment for use, only be 5～80,000 m service life
3Concrete, ubiquity is easy to wear, service life is short, renewal cost is high, from the shortcomings such as great.In addition, stowage having occurred in the market is 16m
3, 20m
3Trucd mixer, firm wear-resisting to concrete agitating drum, long service life, quality are gently had higher requirement.
Summary of the invention
Goal of the invention: the present invention is in order to solve the deficiency of the vehicle-mounted steel concrete agitating drum of prior art, a kind of reasonable in design is provided, wearability is good, the life-span is long, quality is light, the vehicle-mounted composite material concrete mixing drum that the scope of application is extensive, another object of the present invention provides the preparation method of this vehicle-mounted composite material concrete mixing drum.
Technical scheme: in order to realize above purpose, the technical solution used in the present invention is:
A kind of vehicle-mounted composite material concrete mixing drum, it comprises: outer tube wall and the inner barrel that is wrapped in the outer tube wall, described inner barrel are to be gluedd joint by adhesive for polyurethane by the first spiral part and the second spiral part to form.
As preferred version, above-described vehicle-mounted composite material concrete mixing drum, described the first spiral part is identical with the second spiral part structure, and described inner barrel is to be gluedd joint by adhesive for polyurethane by the second identical with structure behind the first spiral part Rotate 180 degree spiral part to form.
As preferred version, above-described vehicle-mounted composite material concrete mixing drum, described the first spiral part includes a helical blade and the spirality inner tube wall that is connected with helical blade with the second spiral part, and described helical blade termination section connects screw type and strengthens round bar.
Prepare the method for vehicle-mounted composite material concrete mixing drum, it may further comprise the steps:
The preparation of a, the first spiral part and the second spiral part: at first the second spirality internal mold is fixed on the support; With the polyurethane elastomer spacer block screw type is strengthened in the groove that round bar is fixed on the second spirality internal mold end; The first spirality internal mold and spirality external mold are installed on the second spirality internal mold successively, make the sealed cavity that forms a spirality between the first spirality internal mold, the second spirality internal mold and the spirality external mold; In cavity, inject polyurethane resin and auxiliary agent thereof; Behind resin solidification, remove spirality external mold, the first spirality internal mold and the second spirality internal mold, form the first spiral part; Adopt same method to prepare the second spiral part;
The preparation of b, inner barrel: step up both complementary inner barrels that comprise two helical blades and complete inner tube wall that form behind the first spiral part Rotate 180 degree that above step (a) is prepared with the second spiral part parallel docking and by anchor clamps; In inner barrel, with adhesive for polyurethane the abutment joint between the first spiral part and the second spiral part is tamped, fills; Behind the adhesive for polyurethane gel solidification, form complete inner barrel;
The preparation of c, outer tube wall: the inner barrel that step b is prepared is fixed on the winding station with axle, adopts preferred winding shaping process to realize 360 at the inner barrel outer surface
oThe omnibearing stereo envelope twines, and at first makes the winding yarn carriage walking to inner barrel end socket end face by microcomputer control; Secondly, make conductive filament head on the yarn dolly under microcomputer control, by with the move left and right of yarn dolly and elastic, twine the fortifying fibre yarn of dipping curable resin at the inner barrel outer surface, prepare outer tube wall behind the resin solidification, wherein winding angle is 40
o～60
o, fortifying fibre yarn volume fraction 70%～80%.
The preparation method of above-described vehicle-mounted composite material concrete mixing drum, the described auxiliary agent of step a comprises curing agent, promoter, filler and pigment;
The preparation method of above-described vehicle-mounted composite material concrete mixing drum, the first spiral part (2) and the second spiral part (3) that step a prepares include helical blade (5), helical blade (5) termination includes screw type and strengthens round bar (7), and it is the spirality round bar that spirality metal round bar or fortifying fibre yarn dipping curable resin are made that spirality is strengthened round bar (7).Described fortifying fibre yarn is glass fiber yarn, carbon fiber yarn or basalt fibre yarn; Described curable resin is epoxy resin, polyurethane or vinylite.
The preparation method of above-described vehicle-mounted composite material concrete mixing drum, the described curable resin of step c is epoxy resin, polyurethane or vinylite; Described fortifying fibre yarn is glass fiber yarn, carbon fiber yarn or basalt fibre yarn.
Beneficial effect: vehicle-mounted composite material concrete mixing drum provided by the invention is compared with existing steel concrete agitating drum has following advantage:
(1) vehicle-mounted composite material concrete mixing drum provided by the invention, reasonable in design, it is convenient to safeguard, and service life is longer, and the scope of application is extensive, and is with low cost.
(2) vehicle-mounted composite material concrete mixing drum provided by the invention, cylinder inwall and helical blade all adopt the good polyurethane elastomeric materials of wearability, have more excellent decay resistance and anti-wear performance than metal cylinder;
(3) preparation method provided by the invention, design feature according to inner barrel, design the mould for preparing spiral part by great many of experiments, adopt resin by injection one-body molded, compact structure is good, sturdy and durable, and outer tube wall is entwined fortifying fibre yarn dipping curable resin by winding process, also have sturdy and durable, good moldability, without small opening, compactness is good.The composite material concrete mixing drum that adopts method provided by the invention to prepare, when design strength reaches the intensity that is equal to common steel concrete agitating drum, composite material concrete mixing drum quality of the present invention than metal cylinder light near half, but the concrete carrying capacity of Effective Raise trucd mixer and the fuel economy of backhaul cut operating costs; And can utilize the strong advantage of composite plasticity, adopt the aerodynamics moulding, reduce the air drag in the transportation, further improve fuel economy; And the polyurethane material that adopts, except having excellent corrosion resistance, lightweight, characteristics such as plasticity is strong, also have the performances such as good elasticity, toughness and wear-resisting, insulation, tear-proof, because its good heat-insulating property, can make the concrete of shipment in the composite mixing drum do not transported the restriction of distance, the problem such as segregation can not occur or condense.
Description of drawings
Fig. 1 is the structural representation of vehicle-mounted composite material concrete mixing drum of the present invention.
Fig. 2 is the structural representation of spiral part preparation in the vehicle-mounted composite material concrete mixing drum of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention, should understand these embodiment only is used for explanation the present invention and is not used in and limits the scope of the invention, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present invention.
As depicted in figs. 1 and 2, vehicle-mounted composite material concrete mixing drum provided by the invention, it comprises: outer tube wall (1) and be wrapped in inner barrel in the outer tube wall (1), described outer tube wall (1) forms by winding process wound and solidified on the inner barrel outer surface after flooding curable resin by the fortifying fibre yarn, described inner barrel is form by glueing joint by adhesive for polyurethane (4) with the second spiral part (3) behind the first spiral part (2) Rotate 180 degree, and described the first spiral part (2) is identical with the second spiral part (3) structure.
Above-described vehicle-mounted composite material concrete mixing drum, described the first spiral part (2) includes a helical blade (5) and the spirality inner tube wall (6) that is connected with helical blade (5) with the second spiral part (3), and described helical blade (5) termination section includes screw type and strengthens round bar (7).
The above first spiral part (2) revolves with the second spiral part (3) and adopts polyurethane resin and auxiliary agent to inject one-body molded; And described spirality bracing piece (7) is the spirality metal round bar, or the fortifying fibre yarn floods the spirality round bar that curable resin is made.
Above-described fortifying fibre yarn can be glass fiber yarn, or carbon fiber yarn or basalt fibre yarn; Described curable resin is epoxy resin, or polyurethane, vinylite or other fat base resins.
The preparation method of vehicle-mounted composite material concrete mixing drum, it specifically may further comprise the steps:
The preparation of a, the first spiral part (2) and the second spiral part (3): as shown in Figure 2, at first the second spirality internal mold (9) is fixed on the support; With the polyurethane elastomer spacer block screw type is strengthened in the groove (11) that round bar (7) is fixed on the second spirality internal mold (9) end; The first spirality internal mold (8) and spirality external mold (10) are installed on the second spirality internal mold (9) successively, make the sealed cavity that forms a spirality between the first spirality internal mold (8), the second spirality internal mold (9) and the spirality external mold (10); In cavity, inject polyurethane resin and auxiliary agent thereof; Behind resin solidification, remove spirality external mold (10), the first spirality internal mold (8) and the second spirality internal mold (9), form the first spiral part (2); Adopt same method to prepare the second spiral part (3);
The preparation of b, inner barrel: step up both complementary inner barrels that comprise two helical blades (5) and complete inner tube wall (6) that form behind the first spiral part (2) Rotate 180 degree that above step (a) is prepared with (3) parallel docking of the second spiral part and by anchor clamps; In inner barrel, with adhesive for polyurethane (4) abutment joint between the first spiral part (2) and the second spiral part (3) is tamped, fills; Behind adhesive for polyurethane (4) gel solidification, form complete inner barrel;
The preparation of c, outer tube wall (1): the inner barrel that step b is prepared is fixed on the winding station with axle, adopts preferred winding shaping process to realize 360 at the inner barrel outer surface
oThe omnibearing stereo envelope twines, and at first makes the winding yarn carriage walking to inner barrel end socket end face by microcomputer control; Secondly, make conductive filament head on the yarn dolly under microcomputer control, by with the move left and right of yarn dolly and elastic, twine the fortifying fibre yarn of dipping curable resin at the inner barrel outer surface, prepare outer tube wall (1) behind the resin solidification, wherein winding angle is 40
o～60
o, fortifying fibre yarn volume fraction 70%～80%.
The preparation method of above-described vehicle-mounted composite material concrete mixing drum, the described auxiliary agent of step a comprises curing agent, promoter, filler and pigment.
The preparation method of above-described vehicle-mounted composite material concrete mixing drum, the first spiral part (2) and the second spiral part (3) that step a prepares include helical blade (5), helical blade (5) termination includes screw type and strengthens round bar (7), and it is the spirality round bar that spirality metal round bar or fortifying fibre yarn dipping curable resin are made that spirality is strengthened round bar (7).Described fortifying fibre yarn is glass fiber yarn, carbon fiber yarn or basalt fibre yarn; Described curable resin is epoxy resin, polyurethane or vinylite.
The preparation method of above-described vehicle-mounted composite material concrete mixing drum, the described curable resin of step c is epoxy resin, polyurethane or vinylite; Described fortifying fibre yarn is glass fiber yarn, carbon fiber yarn or basalt fibre yarn.
Vehicle-mounted composite material concrete mixing drum provided by the invention, lightweight, wear-resisting, the preparation method that long service life provides, technique is workable, and preparation efficiency is high, and production cost is low, can be widely used in building trade.
The above only is preferred embodiment 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 (9)
1. vehicle-mounted composite material concrete mixing drum, it is characterized in that, it comprises: outer tube wall (1) and be wrapped in inner barrel in the outer tube wall (1), described inner barrel is to be formed by adhesive for polyurethane (4) splicing by the first spiral part (2) and the second spiral part (3).
2. vehicle-mounted composite material concrete mixing drum according to claim 1, it is characterized in that, described the first spiral part (2) is identical with the second spiral part (3) structure, and described inner barrel is by forming by adhesive for polyurethane (4) splicing with the second spiral part (3) behind the first spiral part (2) Rotate 180 degree.
3. vehicle-mounted composite material concrete mixing drum according to claim 2, it is characterized in that, described the first spiral part (2) includes a helical blade (5) and the spirality inner tube wall (6) that is connected with helical blade (5) with the second spiral part (3), and described helical blade (5) termination section connects screw type and strengthens round bar (7).
4. a method for preparing vehicle-mounted composite material concrete mixing drum claimed in claim 3 is characterized in that, may further comprise the steps:
The preparation of a, the first spiral part (2) and the second spiral part (3): at first the second spirality internal mold (9) is fixed on the support; With the polyurethane elastomer spacer block screw type is strengthened in the groove (11) that round bar (7) is fixed on the second spirality internal mold (9) end; The first spirality internal mold (8) and spirality external mold (10) are installed on the second spirality internal mold (9) successively, make the sealed cavity that forms a spirality between the first spirality internal mold (8), the second spirality internal mold (9) and the spirality external mold (10); In cavity, inject polyurethane resin and auxiliary agent thereof; Behind resin solidification, remove spirality external mold (10), the first spirality internal mold (8) and the second spirality internal mold (9), form the first spiral part (2); Adopt same method to prepare the second spiral part (3);
The preparation of b, inner barrel: step up both complementary inner barrels that comprise two helical blades (5) and complete inner tube wall (6) that form behind the first spiral part (2) Rotate 180 degree that above step (a) is prepared with (3) parallel docking of the second spiral part and by anchor clamps; In inner barrel, with adhesive for polyurethane (4) abutment joint between the first spiral part (2) and the second spiral part (3) is tamped, fills; Behind adhesive for polyurethane (4) gel solidification, form complete inner barrel;
The preparation of c, outer tube wall (1): the inner barrel that step b is prepared is fixed on the winding station with axle, adopts preferred winding shaping process to realize 360 at the inner barrel outer surface
oThe omnibearing stereo envelope twines, and at first makes the winding yarn carriage walking to inner barrel end socket end face by microcomputer control; Secondly, make conductive filament head on the yarn dolly under microcomputer control, by with the move left and right of yarn dolly and elastic, twine the fortifying fibre yarn of dipping curable resin at the inner barrel outer surface, prepare outer tube wall (1) behind the resin solidification.
5. the preparation method of vehicle-mounted composite material concrete mixing drum according to claim 4 is characterized in that, the described auxiliary agent of step a comprises curing agent, promoter, filler and pigment.
6. the preparation method of vehicle-mounted composite material concrete mixing drum according to claim 4, it is characterized in that, the first spiral part (2) and the second spiral part (3) that step a prepares include helical blade (5), helical blade (5) termination includes screw type and strengthens round bar (7), and it is the spirality round bar that spirality metal round bar or fortifying fibre yarn dipping curable resin are made that spirality is strengthened round bar (7).
7. the preparation method of vehicle-mounted composite material concrete mixing drum according to claim 6 is characterized in that, described fortifying fibre yarn is glass fiber yarn, carbon fiber yarn or basalt fibre yarn; Described curable resin is epoxy resin, polyurethane or vinylite.
8. the preparation method of vehicle-mounted composite material concrete mixing drum according to claim 4 is characterized in that, the described winding angle of step c is 40
o～60
o, the volume fraction 70%～80% of fortifying fibre yarn.
9. the preparation method of vehicle-mounted composite material concrete mixing drum according to claim 4 is characterized in that, the described curable resin of step c is epoxy resin, polyurethane or vinylite; Described fortifying fibre yarn is glass fiber yarn, carbon fiber yarn or basalt fibre yarn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210372552.6A CN102873754B (en) | 2012-09-29 | 2012-09-29 | Vehicular composite concrete mixing drum and method for manufacturing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210372552.6A CN102873754B (en) | 2012-09-29 | 2012-09-29 | Vehicular composite concrete mixing drum and method for manufacturing same |
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| Publication Number | Publication Date |
|---|---|
| CN102873754A true CN102873754A (en) | 2013-01-16 |
| CN102873754B CN102873754B (en) | 2015-06-03 |
Family
ID=47475382
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210372552.6A Active CN102873754B (en) | 2012-09-29 | 2012-09-29 | Vehicular composite concrete mixing drum and method for manufacturing same |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842454A (en) * | 2014-10-27 | 2015-08-19 | 北汽福田汽车股份有限公司 | Non-metal stirring cylinder and manufacturing method thereof |
| CN105150382A (en) * | 2015-08-18 | 2015-12-16 | 合肥工业大学 | Concrete mixing carrier |
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|---|---|---|---|---|
| CN1384775A (en) * | 1999-10-08 | 2002-12-11 | 安东尼·寇瑞 | Vehicle mounted plastics drum for concrete mixing and methods of manufacture thereof |
| WO2005018894A1 (en) * | 2003-08-15 | 2005-03-03 | Mc Neilus Truck And Manufacturing, Inc. | Mixing drum blade support |
| CN1659005A (en) * | 2002-05-31 | 2005-08-24 | 安东尼·扈利 | Vehicle mounted concrete mixing drum and method of manufacture thereof |
| US20080291771A1 (en) * | 2004-03-04 | 2008-11-27 | Mcneilus Truck And Manufacturing, Inc. | Mixing Drum |
| CN202985784U (en) * | 2012-09-29 | 2013-06-12 | 连云港中复连众复合材料集团有限公司 | Vehicle-mounted composite material concrete mixing barrel |
-
2012
- 2012-09-29 CN CN201210372552.6A patent/CN102873754B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384775A (en) * | 1999-10-08 | 2002-12-11 | 安东尼·寇瑞 | Vehicle mounted plastics drum for concrete mixing and methods of manufacture thereof |
| CN1659005A (en) * | 2002-05-31 | 2005-08-24 | 安东尼·扈利 | Vehicle mounted concrete mixing drum and method of manufacture thereof |
| WO2005018894A1 (en) * | 2003-08-15 | 2005-03-03 | Mc Neilus Truck And Manufacturing, Inc. | Mixing drum blade support |
| US20080291771A1 (en) * | 2004-03-04 | 2008-11-27 | Mcneilus Truck And Manufacturing, Inc. | Mixing Drum |
| CN202985784U (en) * | 2012-09-29 | 2013-06-12 | 连云港中复连众复合材料集团有限公司 | Vehicle-mounted composite material concrete mixing barrel |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842454A (en) * | 2014-10-27 | 2015-08-19 | 北汽福田汽车股份有限公司 | Non-metal stirring cylinder and manufacturing method thereof |
| CN105150382A (en) * | 2015-08-18 | 2015-12-16 | 合肥工业大学 | Concrete mixing carrier |
| CN105150382B (en) * | 2015-08-18 | 2016-05-25 | 合肥工业大学 | A kind of concrete mixing and transporting car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102873754B (en) | 2015-06-03 |
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Application publication date: 20130116 Assignee: ZHONGFU NEW WATER SOURCE TECH. Co.,Ltd. Assignor: LIANYUNGANG ZHONGFU LIANZHONG COMPOSITES GROUP Co.,Ltd. Contract record no.: X2024980014403 Denomination of invention: A vehicle mounted composite concrete mixing drum and its preparation method Granted publication date: 20150603 License type: Common License Record date: 20240909 |